76 results about "Electrical equipment" patented technology

The invention discloses a charging service intelligent implementation method and device on the basis of a terminal. The method comprises the steps that a user identity on the terminal is verified, and a corresponding service process is started according to the user identity, wherein the service process comprises the substep that a charging service point is selected and recommended in a database according to geographical position information of the server; charging service reservation is conducted according to the charging service point selected by the user, and if reservation is conducted successfully, a service relationship of the terminal and the charging service point is established; authorization is opened through the service relationship, and the terminal is charged at the charging service point. The charging service intelligent implementation mode achieving the position location, user priority and two way communication functions is provided. The device comprises a user information verification unit, a charging service point selection unit, a service relationship unit and the charging service point. The device provides location and query services through mobile electrical equipment and the charging service point, and effective management is achieved.

The invention discloses a power system real-time picture Web interface showing method. The method mainly includes the steps that electrical equipment is monitored and state data of the electrical equipment are collected by a back-end server; the real-time data are rendered by a real-time picture issuing server to form a complete interface layer; after it is detected that a real-time picture issuing server website is input through terminal equipment, an interface control script is sent by the real-time picture issuing server to acquire the size and resolution ratio information of the terminal equipment, and a virtual picture same with the terminal equipment in size is drawn according to the size and resolution rate information and is sent to the terminal equipment through the virtual interface; the virtual picture is received by the terminal equipment, and the virtual picture is rendered through the canvas function of a browser kernel. Files suitable for the picture size of the terminal equipment can be output through the power system real-time picture Web interface showing method according to the screen size and resolution ratio information of the terminal equipment.

The invention relates to a low-voltage electrical appliance communication protocol adapter which comprises double single chips, double Modbus-RTU protocol converting circuits, a Profibus-DP, a DeviceNet protocol converting circuit, an off chip data memory, an LCD (liquid crystal display) screen and a keyboard, wherein on chip universal asynchronous receiver-transmitters of the double single chips are respectively connected with the Modbus-RTU and an RS485 level converting transceiver circuit; an on chip control local area network is respectively connected with double DeviceNet converting transceiver circuits to finish acquiring low-voltage electrical appliance data and responding to bus commands and events; meanwhile, I2C communication modules of the single chips are connected with the off chip data memory based on I2C to finish storing the data and extracting processed low-voltage electrical appliance parameters. Due to the adoption of double processor operations and a caching technology, technical schemes such as response time, and the like when other adapters are operated are reduced so as to ensure that the low-voltage electrical appliance communication protocol adapter becomes a centralized controller, a small network server and an adapter. The adapter can hang at most three buses, thereby increasing the adaptability of low-voltage electrical appliances during networking and facilitating users mounting.

The invention provides a distributed line protection sleeve structure, an installation method and an electric device. The distributed line protection sleeve structure comprises a distributed line groove and a distributed line protection sleeve assembled on the distributed line groove, the distributed line groove is provided with two positioning protrusions that extend inward and are used for fixing the distributed line protection sleeve, and the two positioning protrusions which are used for a stopping function are respectively arranged at two end parts of the distributed line protection sleeve. The two end parts of the distributed line protection sleeve are stopped or clamped via the positioning protrusions, the distributed line protection sleeve is firmly fixed on the distributed line groove after being installed, the distributed line protection sleeve can be prevented from falling off, and the positioning protrusions also fulfill a positioning function; after the distributed line protection sleeve is enabled to pass through the positioning protrusions with pressure applied on the distributed line protection sleeve when being installed, a correct assembly state can be ensured when end parts of the distributed line protection sleeve are connected with the positioning protrusions in a clamped manner; if the end parts of the distributed line protection sleeve are not connected with the positioning protrusions in a clamped manner, the distributed line protection sleeve is not installed rightly; whether the distributed line protection sleeve is installed rightly can be easily determined; falling off, caused by incorrect installation, of the distributed line protection sleeve can be prevented.

The invention belongs to the technical field of electrical equipment, and particularly relates to a sealed damp-proof electric meter box. The sealed damp-proof electric meter box comprises a box body. A front baffle of the box body comprises a left plate body, an upper plate body, a right plate body and a lower plate body which are connected end to end, the outer end faces of the left plate body, the upper plate body, the right plate body and the lower plate body are each provided with a groove, the four grooves are internally provided with first rubber sealing strips connected end to end, the first rubber sealing strips are of a hollow structure, and the front end faces of the first rubber sealing strips are in an M shape; a cover plate is hinged to the interior of the groove in the left plate, the outer end face of the cover plate and the outer end face of the front baffle are located on the same vertical face, the inner end face of the cover plate is provided with a second sealing rubber sealing strip connected with the first rubber sealing strips in a contact mode, the outer end face of the second rubber sealing strip is matched with the front end faces of the first rubber sealing strips, and the right end of the cover plate is fixedly connected with the groove in the right plate body. The cover plate and the box body are combined into a full-sealed structure, and the problem that water mist and tidal air enter the box body is solved fundamentally.

The invention discloses a slave communication circuit, a slave, electrical equipment, a master-slave communication circuit and a method. The slave communication circuit comprises a slave universal asynchronous receiver transmitter and an optocoupler output conversion circuit, wherein the slave universal asynchronous receiver transmitter comprises a slave signal transmitting end; the first input end of the optocoupler output conversion circuit is connected with a power supply, and the second input end of an output photoelectric coupler is connected with the slave signal transmitting end; and the first output end of the output photoelectric coupler is connected with the power supply, the second output end of the output photoelectric coupler is connected with the input end of a relay, and theoutput end of the relay is connected with the master signal receiving end of a master communication circuit. According to the slave communication circuit, the slave, the electrical equipment, the master-slave communication circuit and the method, the influence of high low level due to the optocoupler transmission ratio characteristic can be eliminated, so that communication reliability is improved, and thus high and low level can be recognized by a master side chip under various situations.

Disclosed are copper foil or net comprising a Cu-nitrile compound complex formed on the surface thereof, a method for preparing the same, and a lithium secondary battery that comprises an electrode using the same copper foil or net as a collector. The lithium secondary battery, which uses a copper collector comprising a Cu-nitrile compound complex formed on the surface thereof through the application of a certain voltage level, can prevent the corrosion of Cu occurring at a voltage of 3.6V or higher under overdischarge conditions away from the normal drive condition, and thus can significantly improve the capacity restorability after overdischarge.

The invention discloses a leakage protection device which can prevent electric shock accidents caused by faults of electric equipment and also can prevent the electric shock accidents caused by the fact that an earth wire is electrified accidently. The leakage protection device is also provided with a weak current detection sensor, a voltage comparator circuit and a one-way output circuit; an iron core of the weak current detection sensor is wound by a primary winding and a secondary winding; a detection circuit which is formed by serially connecting the primary winding with a current-limiting capacitance resistance element is connected between the earth wire and a neutral wire; a standard voltage obtained from a stable-voltage power supply is input into an input end of the voltage comparator circuit; an output end of the secondary winding of the weak current detection sensor and the other output end thereof are respectively connected with the other input end of the voltage comparatorcircuit and a cathode of the output end of a rectifying circuit; and the output end of the voltage comparator circuit is connected with a driving circuit of an electromagnetic coil through the one-way output circuit.

The invention relates to a passive audible and visual alarm temperature indicating device used for monitoring the temperature of electrical connectors among power supply unit parts in a power system.The temperature indicating device is composed of an induction power supply, a voltage stabilizing part, a temperature detection part, an audible alarm system and a luminescent display part, and has the advantages of high temperature measurement accuracy, good safety, obvious effect with common action of audible prompt and visual prompt no matter in the day or night, an audible and visual alarm given in the case of overheat occurred on a connecting point of electrical equipment, and no need of independently adding an external power supply, thus guaranteeing long-term use of the device without need of maintenance; and the device further has the advantages of repeated use, long service life and extremely low energy consumption relative to a disposable temperature indicating wax piece. Only anew temperature measuring element is required for replacement even though the accidental temperature of a contact point is suddenly risen to burn down the temperature measuring element; and temperature detection can be realized only by pasting the temperature measuring element to a heating part to be detected, thus the device is convenient in use.

The invention discloses a switchgear with adjustable internal space. The switchgear comprises a bottom plate. The top of the bottom plate is fixedly connected with a box body. A fixed plate is fixedlyconnected between two sides of the inner wall of the box body. A movable plate is slidably connected with the top of the fixed plate between two sides of the inner wall of the box body. Threaded blocks are fixedly connected with two sides of the movable plate. Each inside threaded block is in threaded connection with a threaded rod. The top end of each threaded rod passes through the box body andextends to the top of the box body. The outer surface of one end, which extends to the top of the box body, of each threaded rod is sleeved by a first bevel gear. The invention relates to the technical field of switchgears with adjustable internal space. According to the switchgear with adjustable internal space, the threaded blocks drive the movable plate to move through the rotation of the threaded rods; the switchgear has a good adjustment function, and can store electrical components of different sizes; the practicality of the switchgear is greatly improved; and the switchgear can meet the needs of different people.

The invention relates to a circuit board applied to a motor, in particular to the slot-type circuit board applied to the motor and an assembly process of the slot-type circuit board. The slot-type circuit board applied to the motor comprises a motor outer shell, a front end cover, a rear end cover, a rotor assembly, a circuit board socket assembly and a circuit board plug-in assembly. The circuit board socket assembly is fixed with the rear end cover in a plug-in mode. The circuit socket assembly comprises an electronic component, a carbon brush assembly, torsion springs and a circuit board body. The electronic component is welded on the circuit board body. The carbon brush assembly is fixed on the circuit board body in a buckled mode. Cylinders are arranged on the circuit board body. The torsion springs are sleeved on the cylinders. One end of each torsion spring is connected with the rear end cover in a plug-in mode. The other end of each torsion spring is connected with the carbon brush assembly in a plug-in mode, so that electric connection is formed between the circuit board socket assembly and the rear end cover. Insertion holes are formed in the circuit board socket assembly. Plug pins are arranged on the circuit board plug-in assembly. The plug pins are arranged inside the insertion holes in a plug-in mode to form electric connection. According to the slot-type circuit board applied to the motor and the assembly process, occupied space is reduced, wiring and existing problems of the wiring are avoided, material consumption is saved, cost is reduced, and the anti-interference function of an electrical appliance is also improved.

A waterproof explosion-proof and electric shock-proof socket comprises a shell, a socket cover, a gasket, a safety board, energized plugs, safety hooks, a sprint seat, wiring columns and a safety spring, wherein the gasket is fixedly arranged at the top of the shell; the edge of the gasket is fixed on the inner wall of the shell; the gasket and the shell form a sealed energized room; the wiring columns and the spring seat are fixedly arranged on the bottom surface of the inner cavity of the energized room; the bottom part of the safety spring is fixed in the spring seat, and the top abuts against the gasket; and the gasket can slightly float vertically. When the socket is standby, an electrical apparatus plug is not inserted, the safety spring lifts the gasket, the energized plug in the socket cover is uncharged and safe, and the electric shock-proof purpose is achieved; after the plug is removed, the socket is back to the safety state in the standby case. Only a standard electrical apparatus plug can be inserted in the plug cover, the safety hooks are ejected after insertion, and then, the energized plugs can be pressed down to be contacted with the wiring columns for energizing, and the electrical apparatus plug is equivalent to a key for the plug cover.

The invention discloses a remote-controlled intelligent socket comprising a signal acquisition module, a signal processing module, a single-chip microcomputer control module, a relay control module, a power module and a remote control terminal module. Data is processed by the signal acquisition and processing modules. On-off of household appliances is remotely controlled through the remote control terminal module according to a received signal. The single-chip microcomputer control module employs an STC12C5A60S2 single-chip microcomputer as a main control chip. Separate control is adopted, all socket jacks can be independently controlled and are not correlated, and control is made more convenient; the socket is of wide adaptability because of the adoption of the latest ZigBee technology; the socket has the characteristics of powerful functions, stable operation, low cost and low energy consumption, and has automatic and manual control modes; and the socket has the functions of timed powering off and real-time state display, management of electrical appliances is greatly facilitated, and the design can achieve good user experience.

The invention relates to industrial automatic production equipment, in particular to automatic assembly equipment for electrical apparatus elements. The special assembly equipment for rivets of electric products comprises a working table, dynamic fixtures for mounting contact mechanisms, indexing mechanisms used for driving the dynamic fixtures to move, a rivet feeding mechanism used for mounting the rivets and a shell mounting mechanism used for assembling shells. The indexing mechanisms are fixedly connected to the working table. The dynamic fixtures are uniformly distributed on the indexing mechanisms. The contact mechanisms are connected to the dynamic fixtures. The rivet feeding mechanism and the shell mounting mechanism are fixedly connected to the working table. The special assembly equipment for the rivets of the electric products conveys the dynamic fixtures to different working positions through the indexing mechanisms, and can grab parts into the dynamic fixtures through cooperation of other automatic mechanisms such as industrial robots and mechanical arms, correct the direction of the shells, fix the parts through the dynamic fixtures and conduct riveting on the rivets in the contact mechanisms.

The invention discloses a composite environment-friendly flame retardant for PC (Poly Carbonate) and PC flame retardant plastic. The composite environment-friendly flame retardant is composed of the following components in parts by weight: 10-20 parts of Phosphonic acid, P-[(trimethylsilyl)methyl]-, dimethyl ester, 30-50 parts of melamine cyanurate, 10-20 parts of tri-oxidation bi-antimony, and 40-60 parts of dimethyl methylphosphorate. The PC flame retardant plastic is composed of the following components in parts by weight: 100 parts of PC resin and 6-10 parts of composite environment-friendly flame retardants for the PC. The composite environment-friendly flame retardant for the PC does not contain halogen, has a good flame retardant function, and is mainly taken as engineering plastics to be widely applied to transparent materials, parts of electric appliances, medical equipment, machinery housing and the like.

The invention belongs to the technical field of testing moving parts such as a membrane and the like, and more particularly discloses a multifunctional membrane testing device which comprises a test bench component, an electric control cabinet component and a pneumatic component; wherein, the electric control cabinet component comprises a power supply, a programmable controller (PLC) connected with the power supply and two intermittent on-off selective control valves which are respectively and correspondingly connected on two pins of the PLC; the pneumatic component comprises a high pressure air source, a moisture separator and two airflow branches formed by respectively connecting the moisture separator with the two selective control valves, wherein, one of the airflow branches is communicated with a positive pressure gas discharge pipe, and the other one is connected with a negative pressure generator and a negative pressure gas discharge pipe and communicated with the parts to be tested, so that negative pressure is formed for testing the parts to be tested by vacuum-pumping. The testing device can accurately control the negative pressure applied on the objects to be tested, meet the strain resistance and corrosion resistance tests of dynamic and static rubber mebranes, and accurately control the frequency, time and count of the movement of the mebrane without needing a person specially assigned for monitoring, thereby improving the working efficiency of the test and greatly reducing the energy consumption.

The invention discloses a bird repelling device which is applied to electrical equipment. The bird repelling device comprises a double-blade type bird repelling assembly and a mounting and dismountingassembly, wherein the double-blade type bird repelling assembly comprises a T-shaped strut, a Y-shape blade and a base, the T-shaped strut comprises a rod body and a support rod, and the support rodis fixedly connected with one end of the rod body; the base is fixedly connected with the other end of the rod body; the Y-shaped blade is rotationally connected with the support rod; the base is detachably connected with a bear rod of the electrical equipment. The bird repelling device can be mounted nearby a terminal of a pole top switch through a live installation tool, by means of rotation ofthe Y-shaped blade of the bird repelling device, when birds stand on two plates of the Y-shaped blade, stress on the two sides of the Y-shaped blade is non-uniform, then the Y-shaped blade rotates, the birds stand unsteadily and are frightened and then are away from the pole top switch, and therefore, safe bird repelling is realized.

A motor vehicle drive system (1) comprises: a first electric drive machine (3), connected to a battery of accumulator cells, capable of providing mechanical drive energy and arranged in such a way that it can be coupled, in a way that may or may not be disengageable, to a differential (2) capable of driving a pair of driven wheels of the vehicle, - a second electric drive machine (4), connected to the battery of accumulator cells by a current inverter - rectifier which alternately allows the second machine (4) to deliver mechanical drive energy from the electrical energy of the battery and to convert mechanical energy transmitted to the second drive machine into electrical energy sent to the battery, - a combustion engine (5). The system further comprises a first set of gears (22-53, 38-53) provided with a first sliding sleeve (44,49), which, by moving the first sliding sleeve (44, 49), allows the second electric machine (4) to be coupled selectively either to the differential (2) or to the combustion engine (5).

The invention discloses an intelligent substation interval electrical equipment measurement and control system and method. The system comprises a plurality of cluster measurement and control modules;each cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control intervalelectrical equipment of an intelligent substation; the interval virtual measurement and control units in any cluster measurement and control module are in one-to-one correspondence with the intervalvirtual measurement and control units in other cluster measurement and control modules; and when the interval virtual measurement and control unit in the running state fails, the interval virtual measurement and control units in other corresponding cluster measurement and control modules are switched from the hot standby state to the running state. By adopting a multi-set cluster measurement and control method, each cluster measurement and control module comprises the same interval virtual measurement and control units, and when any interval virtual measurement and control unit fails, the corresponding interval virtual measurement and control unit is automatically switched to, so that the problems that the number of secondary equipment is large, interval layer measurement and control configuration is single, redundant standby application does not exist are solved, and redundancy configuration of measurement and control functions of interval electrical equipment is realized.

The invention discloses an activated carbon washing system and a washing process. The activated carbon washing system comprises a dispensing subsystem for accurate premixing of washing liquid, a washing subsystem for repeated rinsing of activated carbon, a water storage and cooling subsystem for acceleration of cooling, a purification subsystem for secondary recycling of washing wastewater, a post-treatment discharge subsystem for deep purification of the tail water produced by washing of the activated carbon, and an intelligent semi-automatic electric appliance control subsystem for controlling of the operation of the entire washing system. The activated carbon washing system of the invention has the advantages of simple operation, high degree of automation, small occupied land area and thorough rinsing, completely solves problems in the recycling, purification and discharging of reagent wastewater, reduces work intensity and improves work efficiency.

The invention discloses a PLC control cabinet with a good moisture-proof effect, and particularly relates to the field of electrical equipment. The PLC control cabinet comprises a box body, a dehumidification cavity is formed in the box body, a fixing plate is arranged in the dehumidification cavity, a baffle is arranged at the top of the fixing plate, a spring is arranged between the baffle and the fixing plate, filter nets are arranged on the side, close to the box body, of the baffle, first water-absorbing cotton is arranged at the top of each filter net, sliding blocks are arranged on thesides, close to the box body, of the filter nets, and a supporting plate is arranged on the other side of the baffle. According to the PLC control cabinet, by arranging second heat-dissipating sheets,the first water-absorbing cotton and pieces of second water-absorbing cotton, when air containing moisture penetrates through the second heat-dissipating sheets, the moisture is absorbed by the second water-absorbing cotton, heat in the box body is transmitted to the second heat-dissipating sheets through a heat-dissipating plate and the first heat-dissipating sheets, thus the second water-absorbing cotton on the second heat-dissipating sheets can absorb the heat, and the quick heat-dissipating effect is achieved.

The invention relates to an infrared human body inducing multifunctional remote controller comprising a controller arranged in a shell. The controller is connected with a humidity sensing circuit, a temperature inducing circuit, a power supply control circuit, a human body inducing circuit and a wireless remote control circuit which are arranged in the shell. The wireless remote control circuit comprises a Bluetooth transmitter and an infrared signal transmitter. The human body inducing circuit comprises a human body infrared ray sensor F1 arranged on the shell. By means of the wireless remote control circuit, 99% of air conditioners, most of electrical appliances in the remote controller market and interconnection between the Bluetooth transmitter and a smart phone, a user state is timely notified; clock displaying, indoor temperature displaying and humidity displaying are provided through a display; a human body activity is induced by adding the human body infrared ray sensor; and an air conditioner is controlled by the induced human body activity, for example, the temperature of a room is regulated, or the air conditioner is automatically shut down when nobody is in the room so as to achieve the purpose of energy saving.

A power supplier is prepared as connecting the first end and the second end of potentiometer separately to power supply pin and earthing pin of universal serial bus interface on computer through connection line of universal serial bus interface and connecting the third end of potentiometer to a connection line of standby interface.

The invention discloses a voltage regulation circuit for vehicles and an operation method thereof. The voltage regulation circuit for vehicles includes a gear voltage regulation unit, a microprocessor, a filtering and shaping unit and an amplifying unit. The gear voltage regulation unit is used for generating different gear voltages and outputting the gear voltages to the microprocessor. The microprocessor performs AD sampling on the received gear voltages, converts the received gear voltages into PWM signals with corresponding duty cycles according to a preset conversion strategy and outputsthe PWM signals into the filtering and shaping unit. The filtering and shaping unit filters and shapes the received PWM signals into corresponding direct current voltage signals and outputs the directcurrent voltage signals to the amplifying unit. The amplifying unit amplified the received direct current voltage signals and then outputs the direct current voltage signals to a vehicle-mounted electrical appliance. The voltage regulation circuit for vehicles improves the regulation precision of an output voltage, and realizes stable and rapid regulation of the output voltage with an economicaland effective solution.