10 results about "Binding post" patented technology

The invention provides an external display mark of a polyethylene electro-fusion socket pipe fitting and a limiting device for resistance wires. The external display mark of the polyethylene electro-fusion socket pipe fitting comprises a pipe body. Sockets are formed in the pipe body. The outer wall of the pipe body is provided with binding post protective sleeves. Binding posts are arranged in bodies of the binding post protective sleeves. Fusion regions are arranged on the inner wall of the pipe body. The resistance wires are arranged in the fusion regions. One end of each resistance wire is connected with the corresponding binding post. The external display mark of the polyethylene electro-fusion socket pipe fitting is characterized in that the middle of the inner wall of the pipe body is provided with stop keys which make contact with the end face of an inserted pipe; the outer wall of the pipe body is provided with stop key marking ribs; the stop key marking ribs correspond to the stop keys in position; the inner wall of the mouth portion of each socket of the pipe body is provided with limiting grooves.

A pocket-size digital milliohmmeter comprises a box, a liquid crystal screen, an 'on' switch, an 'off' switch, a gear switch, a 'zeroing' knob, two binding posts, two measuring probes and a circuit. Three built-in 1.5V triple-A batteries are serially connected to form an integral 4.5V power source, working voltage conditions and excellent matching of an analog-to-digital converter, the liquid crystal screen and a high-precision constant-current source are realized by the aid of an electronic timing switch, a mirror negative-voltage generator, a battery voltage monitor, a decimal point converter and two high-current silicon diodes, and electric resistance ranging from 0 to 1.999ohm and electric resistance ranging from 0 to 199.9ohm can be measured by two gears with the resolution ratio of 0.001ohm and 0.1ohm. The pocket-size digital milliohmmeter can be conveniently used in indoor and field places without mains power fields, and brings convenience for detecting electric resistance of motors, transformer windings, wires, cables and printing lines of circuit boards.

The invention provides a gas filed well site power supply and data acquisition transmission system including a cabinet which is at least equipped with a hub, a well site RTU, an industrial switch, a video server, a wireless data transmission module, a host computer and a power module, the input end of the hub is connected with a well site instrument, the output end is connected to the well site RTU, the well site RTU and the video server are in communication with the wireless data transmission module via the industrial switch, the wireless data transmission module is connected with the host computer, and the power module supplies power to the equipment in the cabinet. The system arrangement method includes that the well site RTU, a DC voltage transmitter, and the power module are arranged at the upper layer of the cabinet, the industrial switch, the wireless data transmission module, and the video server are arranged at the middle layer, and a surge protector, an air switch, the hub, and a binding post are arranged at the lower layer. The system integrates data acquisition, transmission, control and power supply modules in one, is in modular design, integrally supplies materials, and achieves the gas field well site data acquisition, control, communication and power supply functions.

The invention discloses a separately excited DC machine controller of an electric automobile. The separately excited DC machine controller comprises a heating panel and a shell, wherein an MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) power amplifier board is arranged on the surface of the heating panel; a control circuit board is installed above the power amplifier board and is fixed on the shell, a driving circuit board is also arranged on the heating panel, a DC bus supporting capacitor, a relay, a junction busbar and a pre-electrification resistor are welded on the driving circuit board, and the MOSFET power amplifier board, the DC bus supporting capacitor and the relay are electrically connected through the junction busbar to form a high voltage circuit of the machine controller; an armature current Hall sensor is fixedly arranged on the driving circuit board; a binding post is arranged on the upper end of the shell, and a cable connector assembly used for connecting a whole vehicle signal wiring harness is also fixedly arranged on the shell. The separately excited DC machine controller is reasonable in internal structure layout, small in volume, light in weight, good in electromagnetic compatibility and capable of fully meeting the development requirements of light weight and high integration degree of electric automobiles on parts and components.

The invention relates to a one-in two-out double-sided operation low-voltage molded case circuit breaker. The circuit breaker comprises a first circuit breaker mechanism, a second circuit breaker mechanism and a fixed base. The first circuit breaker mechanism and the second circuit breaker mechanism are arranged on the front side and the rear side of the fixed base respectively. The circuit breaker mechanism comprises a switch and a shell. The switch is arranged in the middle of the shell. The upper side of the shell is connected with four wire inlet binding posts in a screwed mode. The lowerside of the shell is connected with four wire outlet binding posts in a screwed mode. Four wire inlet holes are formed in the top of the shell, and the positions of the four wire inlet holes correspond to the positions of the four wire inlet binding posts. According to the invention, device disconnection caused by electric arcs in the later operation process can be avoided, so that two circuit breakers with the same model, the same shape and capacity and the same disconnection capability are combined into one. The installation space of the circuit breaker is reduced, and resources are saved.

The invention relates to a harbor shore power supply boat control cabinet system. The control cabinet system is characterized by including a cabinet body, a first shore power cabinet interface, and a second shore power cabinet interface, the casing of the cabinet body is in a double-layer waterproofing panel structure, a rubber waterproofing flat pad and a rubber waterproofing U-shaped pad are arranged in the double-layer waterproofing panel, a protective cover is arranged on the first shore power cabinet interface, and a protective cover is also provided on the cabinet body port of the second shore power cabinet interface. Waterproofing washers are arranged at the connection parts of the binding post and the cabinet body port with the cabinet casing, and the cabinet body port has the waterproofing protection on the cable, so that the wet offshore air and seawater can be greatly prevented from entering into the cabinet body to erode the internal structure, and the service life of the shore power supply boat control cabinet is improved.

In order to verify and obtain the interaction law of electrified parallel conductors through visual experiments, the invention provides an electrified parallel wire frame interaction demonstration instrument. The demonstration instrument mainly comprises a slide rheostat, an ampere meter, a back plate, a binding belt, a clamping groove, a guide rail, a lamp panel, a wire frame, a cross rod, an insulating block, a power supply negative binding post, a switch, a power supply positive binding post, supporting legs, a push-pull force meter, a U-shaped frame, supports, a bottom plate and the like;the bottom plate is supported by four supporting legs, the middle of the bottom plate is hollow and is connected by two supports, a battery box is installed below each of the two ends of the bottom plate, two power supply binding posts of each battery box penetrate through the bottom plate and are fixed to the bottom plate, a first back plate and a second back plate are symmetrically fixed to thecentral axes of the two ends of the bottom plate and are perpendicular to the bottom plate, and the indication direction of the lamp panel and the position change of the electrified wire frame can beobserved. The interaction rule of the electrified parallel conductors is obtained, and the teaching effect is good.

Provided is an error-proofing mechanism for carbon brush assembling of an adjuster. An error-proofing measure is automatically activated when a carbon brush is assembled oppositely during the spot welding process, so that the spot welding of equipment is stopped, and the production of a defected product is prevented. The error-proofing mechanism comprises a connecting block. A metal right clamping block is installed on the bottom surface of the connecting block through connecting bolts. The error-proofing mechanism is special in that the metal right clamping block is installed on the bottom surface of the connecting block through the connecting bolts. The error-proofing mechanism is characterized in that the left end surface of the right clamping block is connected with a metal left clamping block through connecting bolts. The left clamping block and the right clamping block are insulated with each other. An electric conducting mandril A and an electric conducting mandril B are arranged on the adjacent end surfaces of the left clamping block and the right clamping block in an embedded mode. The lower portions of the electric conducting mandril A and the electric conducting mandril B are exposed, and the connection line of the lower ends of the electric conducting mandril A and the electric conducting mandril B is an inclined line, wherein the angle of inclination of the inclined line is equal to the angle of inclination of the end surface exposed by the carbon brush. The surfaces of the left clamping block and the right clamping block are provided with PLC binding posts. A error-proofing circuit is formed by the electric connection of the electric conducting mandril A and the electric conducting mandril B with the corresponding PLC binding posts through the corresponding left clamping block and the right clamping block. The PLC binding posts are connected with a PLC through wires.

The invention discloses a high light-efficiency LED lamp convenient to dismount. The LED lamp comprises a lamp base, a lamp holder, an LED driver, a radiator and a photomask; a contact head is arranged at a lower end of the lamp base, a first thread is arranged on a surface of the lamp base, a second thread is arranged on an inner sidewall of the lamp base, the lamp holder is arranged at an upperend of the lamp base, a third thread is arranged on a surface of a lower end of the lamp holder, the radiator is arranged at the upper end of the lamp holder, the LED driver is arranged in the radiator, an input electrode plug is arranged at the lower end of the LED driver, an output electrode plug is arranged at the upper end of the LED driver, radiating micropores are arranged on the radiator surface, output electrode plug jacks are arranged on the upper end surface of the radiator, a fourth thread is arranged at the inner sidewall of the upper end of the radiator, a binding post is arrangedat the upper end of the radiator, and an LED lamp panel is arranged on the upper end of the binding post. The LED lamp disclosed by the invention is simple in structure, small in volume, free from pollution, high in light efficiency, free from strobing, high in safety efficiency and long in service life, the mounting is steady, and the dismounting is convenient.