86results about "Space heating and ventilation details" patented technology

A subfloor drainage panel is provided for draining moisture from a floor. The subfloor drainage panel has an upper member, a lower member attached to the upper member, and an intermediate member located in the lower member. The lower member includes a plurality of first projections extending away from the upper member, a plurality of second projections extending toward the upper member, and at least one drain hole defined in the first projections. The first projections support the subfloor drainage panel on a surface. The intermediate member has a plurality of openings each configured to receive therethrough a portion of one of the second projections so as to contact and support the lower member. The lower member is configured to define a gap between a portion of the lower member and the surface, with the gap being configured to allow fluid to pass therethrough.

A distributed solar power generation and hot water supplying system includes: a photovoltaic power generation self-service sun tracking system, an inverter, a controller, a storage battery, a heat-exchanging water tank and an electric heater provided therein, wherein a solar battery and a solar collector are mounted on the photovoltaic power generation self-service sun tracking system, an electricity output terminal of the photovoltaic power generation self-service sun tracking system is respectively connected to an inversing input terminal of an inverter and a surplus power supplying input terminal of a controller; an MCU-controlled power output terminal of the inverter is respectively connected for off-grid power consumption or grid-connected power generation, and to an inversing output terminal of the controller; a charging/discharging control output/input terminal inside the inverter is connected to an input/output terminal of the storage battery and a storage battery power supplying input terminal of the controller.

The invention discloses a phase-change energy storage type radiant heating and cooling tail end device and a control method. The phase-change energy storage type radiant heating and cooling tail end device comprises a heating device, a cooling device, a control system of the heating device and a control system of the cooling device. The heating device is a phase-change energy storage type floor arranged on the ground, and the cooling device is a phase-change energy storage type suspended ceiling arranged at a roof. Phase-change materials and capillary networks are arranged in the phase-change energy storage type floor and the phase-change energy storage type suspended ceiling, so that the tail end of a radiant heating air conditioner is combined with the phase-change energy storage technology. By using the phase-change materials, energy storage at night and energy release in the daytime can be achieved so that operation cost can be saved for users using electric energy conversion, and the difference between the peak and the valley of a power grid can be reduced to protect power grid equipment; meanwhile, the method of combining time control with temperature control is adopted, the adopted temperature control can make up for defects of the time control, and therefore the indoor temperature is kept within the human comfort range.

The invention relates to the technical field of household electrical appliances, particularly to a filter screen device and an air conditioner. The filter screen device comprises a filter screen assembly arranged inside a machine shell, and a self-locking switch is arranged on the machine shell; a clamping block matched with the self-locking switch is arranged on the filter screen assembly; and the filter screen assembly is locked or released on the machine shell under the cooperation of the self-locking assembly and the clamping block. The invention discloses an air conditioner. The air conditioner has the filter screen device. According to the filter screen device, the self-locking switch is arranged, when the filter screen assembly is assembled in position, the clamping block is positioned at a limiting part of the self-locking switch, and a self-locking function is achieved; and when the filter screen assembly needs to be cleaned, the filter screen assembly can be automatically ejected out through only pressing the outer side of the filter screen assembly or a baffle plate, a panel does not need to be opened, and the operation is convenient.

An arrangement is disclosed of a gas delivery control system (1) and one or more appliances (AP) including a central heating installation. The one or more appliances are arranged for generating a request signal (S1) indicative for a requested supply of gas by at least one of the appliances. The gas delivery control system comprises, —a controllable gas valve (10) having an input (12) to be coupled to a gas supply (GS) via a conduit (22) and having an output (14), —a control device (30) for controlling the controllable valve, wherein the control device controls the controllable valve in accordance with a value of the request signal of the one or more appliances coupled to the output of the valve via a conduit, —a gas pressure sensor (40) for determining whether the gas pressure in the conduit has a value lower than a pressure reference value, —a reference module (50) for determining whether a predetermined time interval has lapsed since a closure of the controllable gas valve, —an error signaling module (60) for issuing an error signal (Error) if it is detected before a lapse of the predetermined time interval that the gas pressure is lower than the pressure reference value.

A hinge assembly or a flexible hinge assembly adjusts to fit a vent on a wall or a roof in order to hold a fan thereon, which fan is especially suitable for a restaurant roof or wall. The hinge assembly attaches to a roof or wall vent to hold the fan in a proper position, yet permits the fan to be easily moved for cleaning of vent and the fan.

The invention discloses a rural active solar heat storage floor system, and belongs to the technical field of building energy saving. The system is characterized in that, before winter heating, a solar heat collector probe temperature sensor T1 and a heat storage water tank temperature sensor T2 are used respectively for controlling the operations of a solar heat collection water pump and a hot-water circulation water pump, and transferring the heat absorbed by a solar heat collector to a heat storage layer of a heat storage floor, so that the heat storage floor and the heated kang in rural areas can jointly supply heat to rural houses in a radiant heat exchange and heat convection manner. The rural active solar heat storage floor system provided by the invention has the effects and benefits that cross-seasonal heat storage is realized by fully utilizing the solar energy, and the unstable solar heat source is transformed into a stable heat source that can continuously supply heat to indoors, so that the problems of unstable indoor environment caused by intermittent running of a hot-water or heated-kang heating supply system in rural buildings, overlarge equipment model selection and overlarge kang areas indoors. The rural active solar heat storage floor system is convenient in material-taking, low in cost, economic, and good in indoor heating effect; the system is easy to be combined with the buildings and is suitable for large-area popularization.

The invention belongs to the technical field of air conditioner control and particularly relates to a mounting structure of the indoor unit of an air conditioner, comprising a surface frame (1), a chassis (2), a mounting plate (3), a piping pressure plate (5) and a chassis cover plate (6). The mounting plate (3) is arranged on the wall of a position where the indoor unit of the air conditioner is arranged; the chassis (2) is fastened on the mounting plate (3); the surface frame (1) is arranged on the chassis (2); a hanging plate cover plate (4) is fastened on the lower end of the mounting plate (3) and arranged on the chassis cover plate (6); the piping pressure plate (5) is arranged on the chassis (2); and the chassis cover plate (6) presses one corner of the edge screw hole position of the piping pressure plate (5) and is arranged on the chassis (2). The mounting structure of the indoor unit of the air conditioner is a simple fastening and limiting structure, has concise appearance and good stability and is convenient to assemble and disassemble. The front surface of the chassis or surface frame is not provided with the hole for demounting the mounting plate, thus the appearance of the mounting structure of the indoor unit of the air conditioner can not be affected, and the mounting structure of the indoor unit of the air conditioner can be more attractive.

The invention relates to a progressive filter cake and water film two-level filter air purifying and humidifying device, and belongs to the technical field of air purifying and humidifying. The devicemainly comprises an upper grid plate, an LCD liquid crystal display, a temperature and humidity sensor, a side grid plate, a box body, a fan, a roll type filter, a liquid accumulation groove, a conical plastic net, a fiber thin film, a water pipe, a water tank, a water storage groove, a water pump, a piston and the like; according to first-level filter, through the roll type filter, a filter cakeis formed, through progressive replacement, filtered air is more stable in quality, according to second-level filter, a water film is formed on the filer film on the conical filer net, purifying of bacteria, dust and the like can be achieved while humidifying is carried out, according to the air purifying and humidifying device, the humidifying purifying manner and the purification manner can beswitched, the different needs of the user can be met, the progressive filter cake and water film two-level filter air purifying and humidifying device is high in efficiency, low in energy consumption,simple, and stable in filter effect, the indoor air can be effectively purified, and the device has the wide application prospect in the site with the particle requirement for the air quality.

The invention provides a clamping spring type air outlet for a car roof. The clamping spring type air outlet comprises a body and an air outlet, wherein the air outlet is arranged in the body, the air outlet is internally provided with a separating plate, the body is provided with a clamping spring type switch, the moving of the separating plate is controlled by the clamping spring type switch, and thus the opening and the closing of the air outlet can be controlled. According to the clamping spring type air outlet provided by the invention, the position of the separating plate is controlled by the clamping spring type switch, and thus the wind direction of the air outlet can be changed; the body is provided with an illumination lamp, the illumination lamp can be switched on when in need of illumination, the position of the illumination lamp can be adjusted as the illumination lamp is of a rotary type, and thus a position needing to be illuminated can be illuminated.

The invention relates to an outdoor unit with an electric fitting unit. A box body supporting an electric fitting substrate is formed to be a frame shape, and the electric fitting unit can inhibit the situation that the external load applies stress on the electric fitting substrate. The electric fitting unit (16) comprises a frame part (81) supporting the electric fitting substrate (80); a cover part (82) connecting to the upper part of the frame part (81) and covering the electric fitting substrate (80) from the upper side, wherein the back side of the cover part (82) is provided with a plurality of reinforcing ribs (105) which enhance the strength when the cover part (82) is connected with the frame part, and a supporting rib (106) which cooperates with the frame part (81) to clamp the electric fitting substrate (80) when the cover part (82) is connected with the frame part (81).

The invention discloses a method for decoupling operation of heat supply and heat storage in a same heat source system. The method for decoupling operation of heat supply and heat storage in the sameheat source system comprises the following steps that a design heat load of a heat supply side is estimated, circulating water quantity of the heat supply side is calculated, a system is started, a heat load of the heat supply side is calculated, a water supply temperature of the heat supply side is calculated, and a water supply temperature of a user side is adjusted. The method for decoupling operation of heat supply and heat storage in the same heat source system can effectively separate the influence between the heat supply side and a heat storage side in the same heat source system, on the one hand, the heat supply side realizes on-demand heat supply and stable operation, and on the other hand, the heat storage side can stably store heat at high temperature, so that the process of supplying while storing is simplified and efficient. The temperature adjustment process is a mixed flow process of adjusting the proportion of the heat source outlet water and the heat supply side returnwater, in the whole temperature adjustment process, the heat energy of the whole system is not lost, and the heating efficiency of a heat source is effectively improved. According to the method for decoupling operation of heat supply and heat storage in the same heat source system, a mass regulation mode is adopted in the he heat supply side to realize the balance of heat supply and heat demand.Simple management, convenient operation and stable network hydraulic conditions are achieved.

Disclosed is herein an air hypocaust structure for cooling and/or heating dwellings. In winter, hot air is supplied into a space between an upper and a base plate constituting the air hypocaust structure to heat the dwelling according to a convection and a radiation mechanism. In summer, cold air is supplied to the space between the upper and base plate to cool the dwelling according to the convection mechanism. A plurality of support legs and guide plates are installed between the upper and base plate, and the support legs and guide plates may be integrally formed on the lower side of the upper plate or may be separately produced to be assembled with the upper plate. A hole is formed at a lower end of each of the support legs, and projections each having a sharp tip at an end thereof and corresponding in position to the support legs are formed on the upper side of the base plate. Therefore, when the upper plate is assembled with the base plate, the sharp tips of the projections are inserted into the holes of the support legs to firmly assemble the upper plate with the base plate. Furthermore, the guide plates are arranged between the upper and base plate to control the direction of a hot or cold air current flowing through the air hypocaust structure.

The invention discloses an inverter air conditioner, which includes the structural parts of the external unit of the air conditioner, and also includes a heat dissipation module, an electric control board, an electrical box, PETG tube one, PETG tube two, a needle valve, and a fan. Leaf, condenser module, partition, PETG tube 3. Power pump, motor bracket, heat dissipation module, condenser module and power pump form a closed-loop circulation system. The internal cooling liquid absorbs heat and is driven by the power pump to flow down to the condenser module. The high-temperature cooling liquid dissipates its own heat through the rotation of the fan, and the cooled and heated liquid becomes the condensation end, so that the heat absorbed by the heat dissipation module can be conducted in time Go out and achieve the purpose of cooling down. Compared with the prior art, the invention is not partly controlled by the refrigeration system, is an independent closed-loop circulation system, has low cost and is easy to produce and process.

The invention discloses an efficient air purifying and filtering method. According to the method, a negative-ion generator and an electrostatic fiber material filtering unit jointly form an air purifying and filtering module, and negative ions are located at a wind feeding opening of an electrostatic fiber material in the wind inlet direction; the negative ions generated by the negative ion generator in the filtering module can be combined with dust or dust particles in the air, the air is charged, and the electrostatic fiber material filtering unit absorbs the particles; the air filtering module is low in wind resistance, high in efficiency and capable of eliminating PM2.5 and other fine particles, and belongs to an efficient filter. The purifying and filtering module is small in occupied space, efficient filtering of low wind resistance is achieved, ventilation energy consumption is greatly lowered, and the purifying and filtering module can be widely applied to air conditioners, air purifiers and central ventilation systems.

The invention provides an air conditioner and a heat exchanger of the air conditioner. The heat exchanger comprises a shell and heat exchanging tubes arranged on the shell. The heat exchanging tubes form multiple flow distributing branch paths which are sequentially distributed in the height direction of the shell. The bottom flow distributing branch path located at the bottom end of the shell comprises a first branch path section, a second branch path section and a third branch path section in a sequential communication mode. A refrigerant inlet of the bottom flow distributing branch path is formed in the first branch path section, and a refrigerant outlet of the bottom flow distributing branch path is formed in the third branch path section. In the height direction of the shell, the first branch path section is located at the bottom end of the second branch path section, and the second branch path section is located at the bottom end of the third branch path section. At the end of the bottom flow distributing branch path, the flowing path of the first branch path section is in a U type, the flowing path of the second branch path section is in a snakelike line type, and the flowing path of the third branch path section is in an inverted-U type. According to the heat exchanger, cold air at the bottom of the shell is heated better, and the air outlet temperature of the bottom of the air conditioner is raised, so that the air outlet temperature difference of air outlets is reduced, and the heating performance of the air conditioner is improved.

The invention discloses an fragrance-releasing humidifying cup for a computer. The fragrance-releasing humidifying cup comprises six cup rim fragrance releasing ports, a heating component, purified water and a USB (universal serial bus) computer connecting wire, wherein the heating component and the purified water are arranged inside the humidifying cup, and the USB computer connecting wire is connected on the heating component. A double-layer filter screen is arranged between the purified water and a cup rim in the cup, and the six cup rim fragrance releasing ports are arranged along the wall of the cup rim of the humidifying cup. Perfume is loaded by the aid of the filter screen and is prevented from directly contacting with a water surface, and humidifying uniformity is ensured by the aid of at least six fragrance releasing ports arranged on the cup wall.

A heat-exchange-type ventilating device (100), provided with a partition wall (21) having a bypass opening (21a) for communicating an exhaust air duct on the upstream side of a total heat exchanger (6) with an exhaust air duct between the total heat exchanger (6) and a humidifier (8), the partition wall (21) partitioning the exhaust air duct on the upstream side of the total heat exchanger (6) anda supply air duct on the downstream side of the total heat exchanger (6) from each other; a bypass damper (18) for opening/closing the bypass opening (21a); and a control unit (23) for performing a control of opening the bypass opening (21a) by means of the bypass damper (18) at a first time, and closing the bypass opening (21a) by means of the bypass damper (18) at a second time.

The invention discloses a direct storage separation heating device, which includes a heat user. The heat user includes a heating pipeline for heating, the heating pipeline communicates with a heatingassembly supplying heat to the heat user, and the heating pipeline is internally provided with a secondary side circulating pump; and the heating assembly includes a direct supply assembly and a heatstorage assembly, and the direct supply assembly and the heat storage assembly are connected in parallel into the heating pipeline. According to the direct storage separation heating device, during off-peak electricity at night, an electrode boiler heats hot water and supplies the heat to the heat user through a plate type heat exchanger, and meanwhile, a solid heat storage unit uses the off-peakelectricity for heat storage; during non-off-peak electricity, the heat is released by the solid heat storage unit to supply the heat to the heat user; the problems of high cost of a solid heat storage type electric boiler and large demand of an installation site for a water heat storage system of the electric boiler are solved; and a night direct supply load and a heat storage load are separatedand borne by different equipment correspondingly, the electrode boiler bears the night direct supply load, and the advantages of easy and convenient installation, high thermal efficiency, energy conservation and environmental protection are achieved.

A double wall round or oval duct system assembly having an outer duct connector, an inner duct connector and a closure ring is provided. The inner duct connector of the duct assembly has an adhesive applied on the transverse flange face of its transverse flange thus allowing a sealing connection between the inner and outer duct connectors upon compression with the closure ring. The double wall round or oval duct system assembly will improve the efficiency and will reduce or eliminate air leakage upon connection of two round or oval duct segments. A method of installing the assembly system is also provided.

The invention discloses a constant temperature and humidity control system. The constant temperature and humidity control system comprises a humiture sensor, a singlechip microcomputer (SCM), an LED (Light Emitting Diode) display screen, a temperature adjusting device, a humidity adjusting device, a disinfection device, a transmission module, a ZigBee transfer infrared module and a power supply module, wherein the SCM is connected with the humiture sensor and the LED display screen respectively, is connected with the temperature adjusting device through the ZigBee transfer infrared module and is connected with the humidity adjusting device through the transmission module, and the disinfection device and the humidity adjusting device are in pipeline connection. The constant temperature and humidity control system has the advantages that fresh air can be supplied to an air blower to disinfect while a surrounding environment is enabled to keep a constant temperature and humidity state; in addition, other equipment can be additionally arranged conveniently so as to expand the function of the system.

The invention provides a dehumidifying system and a fresh air dehumidifying machine. The system involves a compressor, a first heat exchanger (3) and a first gas-liquid separating device (9) which sequentially communicate; the compressor comprises a first compressing cavity (1) and a second compressing cavity (2); the first gas-liquid separating device (9) communicates with a first branch and a second branch, wherein a condensing part and a dehumidifying part are arranged on the first branch, and an air supplementing device is arranged on the second branch; a refrigerant in the dehumidifying system is the non-azeotropic mixed refrigerant, the first gas-liquid separating device (9) separates the refrigerant into a gas phase and a liquid phase, the gas phase refrigerant enters the first branch, the liquid phase refrigerant enters the second branch, and at least part of the refrigerant entering the second branch enters the air supplementing device; and a first exhaust port is formed in the air supplementing device, and the refrigerant is in the gas phase when being exhausted from the first exhaust port and enters the second compressing cavity (2). According to the provided dehumidifying system and the fresh air dehumidifying machine, the condensation performance and the evaporation performance of the system after air supplementing and enthalpy increasing can be effectively improved.

The invention provides a support frame, a base assembly and an air purifier. The support frame comprises an air flue inner frame, an air flue outer frame and supporting ribs; the air flue outer frame is arranged on the outer side of the air flue inner frame in a sleeving manner; and the supporting ribs are arranged between the air flue inner frame and the air flue outer frame, and a space between the air flue inner frame and the air flue outer frame is hollowed to form a side air inlet. The space between the air flue inner frame and the air flue outer frame is hollowed to form the side air inlet, compared with a supporting frame with a single function in the prior art, the supporting frame serves as a part of an air inlet air flue, the function of the supporting frame is additionally arranged, and the air inlet amount can be effectively improved.