43results about How to "Fulfill heating needs" patented technology

The invention discloses a thermal management system of a BEV (battery electric vehicle) and an air conditioning system. The thermal management system comprises a battery pack thermostat and a water heater, wherein an inlet of the water heater is connected with an outlet of a dynamic cooling system through a first water pump, an outlet of the water heater is connected with an inlet of a heating core of the air conditioning system of the vehicle, an outlet of the heating core is connected with a first inlet of a first water tank, and an outlet of the first water tank is connected with an inlet of the dynamic cooling system; the outlet of the heating core is connected with a first inlet of the battery pack thermostat through a third solenoid valve, the heating core is used for providing a heat source for the battery pack thermostat, a first outlet of the battery pack thermostat is connected with a second inlet of the first water tank, and the first inlet of the battery pack thermostat is communicated with the first outlet. The thermal management system not only can realize the heating requirement of an air conditioner of a new energy vehicle, but also can use a small amount of electric energy, recover waste heat of a motor for reheating and realize thermal balance between a heating system and a cooling system of a battery system.

The invention relates to a precise thermal control mechanism of a focal plane detector, and the precise thermal control mechanism comprises a vacuum box body, a refrigerating assembly, a cold screen assembly, a heating assembly and a temperature collecting unit, and the precise thermal control mechanism also comprises a heat insulating layer which is arranged at the outer side of the vacuum box body and the outer side of the heating assembly, the refrigerating assembly comprises a refrigerator substrate, at least one detector refrigerator, at least one cold screen refrigerator, a heat tube assembly and a heat radiation plate. Due to the adoption of the precise thermal control mechanism, the technical problems that the quick variation of the temperature under the same working mode is difficult to realize because the temperature control of the traditional photoelectric detector thermal control mechanism mainly depends on the passive heat radiation way can be solved, a way combining the initiative refrigeration and the initiative heating is adopted, by the reasonable design of a thermal control system structure, not only is the quick variation of the temperature of the detector realized to meet the temperature requirement under different working modes, but also the temperature range can be precisely controlled, and the working reliability of the system is high.

The invention discloses a combined heat and power generation heat supply load prediction method based on multi-factor influences and a heat supply system, and belongs to the technical field of centralized heat supply. The heat supply system comprises a thermoelectric unit, a heat supply network initial station, a heat storage system, a heat supply network circulating water pump, a heat storage circulating pump, a heat release circulating pump, an electric adjusting valve, an Internet of Things flow meter, an Internet of Things temperature instrument, an Internet of Things pressure instrument and q heat supply stations, wherein q is larger than or equal to 2. According to the combined heat and power generation heat supply load prediction method based on the multi-factor influences and the heat supply system, influences of factors such as meteorological parameters, pipe network characteristics and building characteristics are comprehensively considered, so that a long-term heat load prediction model of a certain day in the future and a short-term heat load prediction model of real-time heat supply load adjustment are established, on one hand, the operation condition of a combined heat and power generation unit is reasonably arranged, and efficient adjustment of electric and heat loads of a heat source side unit is achieved; and on the other hand, accurate operation adjustment ofheat supply of the heat supply network side is achieved, and the heating requirements of heat users are effectively met, so that the problem of mismatching of electric and heat loads of the heat source side and the heat supply network side of the heat supply system is effectively solved, and accurate heat supply of the heat supply network side and efficient peak regulation of the heat source sideare achieved.

The invention provides a heating heat pump system used in an ultralow-temperature environment. The heating heat pump system comprises a main circulation loop which is composed of a first compressor (1), a first condenser (2), a vortex tube (4) and an evaporator (7), wherein the first condenser (2) is used for exchanging heat with a first water pipe (16) to make hot water or achieve heating, and a second condenser (5) is arranged on a pipeline between the first condenser (2) and the evaporator (7). The heating heat pump system further comprises an auxiliary circulation loop which is connected with the main circulation loop in an overlying mode through the second condenser (5), wherein the auxiliary circulation loop is used for exchanging heat with a second water pipe (17) to make hot water or achieve heating. By means of the heating heat pump system, heat of refrigerant in the main circulation loop can be further absorbed, intermediate-temperate water is made through the overlying circulation loop and is supplied together with high-temperature water made through the first condenser, the temperature range of made hot water is widened, intelligent regulation of the water temperature is achieved, and different demands of different users for hot water are met; energy at the hot end of the vortex tube is effectively utilized, and the COP of the system is improved.

The invention discloses a traditional Chinese medicine grinding device. The traditional Chinese medicine grinding device comprises a shell, wherein the right end of the top of an inner cavity of the shell is fixedly connected with an ultraviolet lamp tube, the upper end of the inner cavity of the shell is movably provided with a crushing shaft, the outer surface of the crushing shaft is fixedly connected with crushing teeth, the inner cavity of the shell and the lower end of the crushing shaft are fixedly connected with a partition plate, the left end of the top of the partition plate is embedded with a heating plate, a heat conducting plate is embedded at the top end of the partition plate and positioned on the upper surface of the heating plate, a steering motor is fixedly installed at the left end of the bottom of the inner cavity of the shell, an output shaft of the steering motor is fixedly connected with an electric telescopic rod, and a second supporting plate is fixedly connected at the top end of the electric telescopic rod. An output shaft of a crushing motor is in transmission connection with the crushing shaft through a belt, and the grinding effect of the device is effectively improved through an electronic scale body, the crushing teeth, the steering motor and the electric telescopic rod, so that great convenience is brought to use of people.

The invention discloses a thermal management system and a vehicle. The heat management system has a first working mode, and in the first working mode, the valve assembly is in a first preset state so that the first cooling liquid output end of the water-water heat exchanger can communicate with an inlet of the battery water pump, and an inlet of the heating water pump can communicate with the cooling liquid output end of the battery cooler; and the outlet of the warm air core body and the second cooling output end of the water-water heat exchanger are communicated with the cooling liquid input end of the battery cooler at the same time. A refrigerant flows through the water-cooling condenser to heat the cooling liquid flowing through the water-cooling condenser, and the refrigerant flowing through the water-cooling condenser flows into the battery cooler; one part of the heated cooling liquid flows into the water-water heat exchanger to heat the power battery, the other part of the heated cooling liquid flows into the warm air core to heat a passenger compartment of the vehicle, and then all the cooling liquid converges and flows into the battery cooler to transfer heat to a refrigerant flowing through the battery cooler.

The invention discloses a heat pump heating device. The heat pump heating device comprises a heat pump host, at least one integrated heat exchanger module and at least one heating tail end; the heat pump host is connected with the integrated heat exchanger modules through coolant pipelines; the integrated heat exchanger modules are connected with the heating tail ends through heating pipelines; and heat carriers of the coolant pipelines carry out heat exchange with heat carriers of the heating pipelines in the integrated heat exchanger modules. A heat supply mode can be effectively transformedon the basis of the original heating tail ends, and the transforming cost is reduced. The embodiment of the invention further provides a heat supply system.

The invention relates to a compressor oil return device, an air conditioning system and an oil return control method. The compressor oil return device comprises a double-suction double-exhaust compressor, and an oil separator and an oil return component which are connected to the double-suction double-exhaust compressor, wherein the oil return component comprises an oil return valve and a connecting pipe; the oil return valve comprises a valve body, a valve needle, a fixed block and a sliding block; the fixed block is fixedly connected into the valve body; the fixed block divides the valve body into an upper cavity and a lower cavity; the sliding block is arranged in the lower cavity and located below the fixed block; a middle cavity is arranged between the sliding block and the fixed block; a flow channel communicated with the upper cavity and the lower cavity is arranged in the middle cavity; and the valve needle matched with the flow channel is arranged under the flow channel. The length of the valve needle extending into the flow channel is changed through vertical sliding of the sliding block in order to achieve adjustment of the oil return amount. The oil return valve is simple in structure, low in manufacturing cost and convenient to use, the problems of high oil discharge rate and difficult lubricating oil return in a direct exhaust compression cylinder of the double-suction double-exhaust compressor can be effectively solved, the abrasion of the compressor is reduced, and the service life is prolonged.

The invention discloses a heating device and a rolling device for online rolling of a thick steel plate and a rolling method thereof, and belongs to the field of rolling. The heating device comprisesan alternating current power supply, an upper coil and a lower coil, wherein the upper coil is located just above the lower coil; the left and right sides of the upper coil are respectively bent to the lower coil, and/or the left and right sides of the lower coil are respectively bent to the upper coil; a channel through which a to-be-rolled thick steel plate can pass is formed between the upper coil and the lower coil; and the alternating current power supply is used for respectively supplying power to the upper coil and the lower coil. According to the heating device, the power supply is controlled to input same or opposite phase current to the special coils, so that super-audio frequency induction heating and medium-frequency induction heating are respectively performed at different stages of the online rolling process of the thick steel plate, the thick steel plate is efficiently and uniformly heated before rolling, finally, the heating requirements of the different stages of the online rolling process of the thick steel plate are realized, and the rolling quality and efficiency of the thick steel plate are greatly increased.

The invention discloses a food flat screening machine which comprises a shell. An air blower is fixedly installed at the left end of the bottom of the shell. A second partition plate is fixedly installed at the right end of the bottom of the shell. The inner surface of the second partition plate is slidably connected with a second storage box. A first partition plate is fixedly installed at the lower end of an inner cavity of the shell. The inner surface of the first partition plate is slidably connected with a first storage box. The bottom of the first partition plate is fixedly connected with heating wires. A supporting plate is fixedly installed at the upper end of the left side of the inner cavity of the shell. According to the flood flat screening machine, the second partition plate is fixedly installed at the right end of the bottom of the shell, the first partition plate is fixedly installed at the lower end of the inner cavity of the shell, through functions of a suction ventilator, pipelines and a dust collecting box, the requirement of people for sucking dust generated in the screening process can be met, and the problems that in the food screening process, a large amount of dust is generated, environment pollution is caused, and physical health of people is threatened are solved.

The invention discloses a wireless intelligent lock control valve management system and relates to the field of heating systems. The technical solution thereof comprises a client App, an information collector, an information concentrator, a central server and an intelligent lock control valve. The client App is used for allowing a user to log in and carry out recharge payment. The information collector is wirelessly connected to the client App for collecting payment information. The information concentrator is wirelessly connected to the information collector for concentrating the payment information. The central server is wirelessly connected to the information concentrator for receiving the payment information and processing data to output a starting signal. The intelligent lock controlvalve is wirelessly connected to the central server for receiving the starting signal and starting heating. According to the wireless intelligent lock control valve management system, the intelligentlock control valve corresponding to residence of a user can be remotely controlled and started to realize heating requirement of the user by the central server, so that workload of a worker to start the intelligent lock control valve at the residence of the user is reduced after payment is completed by the user, waste of human resource is reduced, and the whole heating process is more convenient and rapid.

The invention provides a heat source tower heat pump multi-split system. The system comprises a heat source tower, a heat pump main machine and at least two indoor units; the heat pump main machine comprises a four-way valve, a compressor, a main machine heat exchanger and a solution pump; one end of a heat source liquid pipeline in the main machine heat exchanger is in communication with an inputend of the heat source tower through the solution pump, and the other end of the heat source liquid pipeline in the main machine heat exchanger is in communication with an output end of the heat source tower; each indoor unit comprises an indoor heat exchanger and an expansion valve; and one end of a refrigerant pipeline in each indoor heat exchanger is in communication with an E pipe of the four-way valve, and the other end of the refrigerant pipeline in each indoor heat exchanger is in communication with one end, which is not in communication with the main machine heat exchanger, of the expansion valve. According to the heat source tower heat pump multi-split system, the requirements of refrigeration and heat supply can be met at the same time by one system, the efficient and energy-saving operation can be realized all the year, and meanwhile, the problem of automatic detection of the anti-freezing fluid concentration of the heat source tower heat pump system is solved.

The invention belongs to the technical field of mining equipment, and in particular relates to a motor insulation drying cabinet with a double-suspension-door structure . The device is characterized by comprising a heating cabinet concave machine body, a chamfer suspended door and a convex suspended door, wherein the chamfer suspended door and the convex suspended door are respectively connected with the concave machine body of the heating cabinet through one-way thrust floating door shafts. The concave machine body of the heating cabinet comprises a box body, a concave ceiling arranged on theupper portion of the box body and a machine body base. The concave ceiling is provided with a trapezoidal groove. The convex suspended door is provided with a trapezoidal convex edge and a bevel edgeI. The chamfer suspended door is provided with a bevel edge II. The trapezoidal convex edge is in butt joint with the trapezoidal groove. The bevel edge I is in butt joint with the bevel edge II. Dueto the design of the double suspended doors, heating parts are easy to hoist, and internal parts of the heating cabinet are convenient to place. Compared with a traditional heating cabinet, the heating cabinet reduces the placing space. After heating is finished, the double suspended doors are opened, and an open platform can be formed on the heating cabinet base. Temperature diffusion in the cabinet after heating is facilitated, and the risk that maintainers work in a high-temperature environment is avoided.

The invention discloses a cosmetic storage box with a humidifying function. The cosmetic storage box comprises a box body, a cover plate and an adjusting mechanism; a cosmetic containing groove is formed in the left end of the top of the box body; the adjusting mechanism is arranged in an inner cavity of the cosmetic containing groove; a water storage tank is arranged at the right end of an innercavity of the box body; a heating plate is embedded in the lower end of the left side of the water storage tank in the inner cavity of the box body; and an atomizer is fixedly mounted at the middle end of the bottom of an inner cavity of the water storage tank. The water storage tank is arranged at the right end of the inner cavity of the box body; through the effect of the atomizer, a pipeline and a spray head, water is injected into the water storage tank from a water injection hole by a person, and then the atomizer is started through a PLC; the atomizer atomizes the water in the water storage tank into water mist and the water mist is sprayed out from the spray head through the pipeline; and the person enables the face to be close to the spray head, so that the moisturizing or humidifying requirement of the face can be met, the function diversity of the cosmetic storage box is effectively improved, and the great use convenience is brought to the person.

The invention discloses an oil return device and oil return method of a compressor for a dual-temperature air conditioner and an air conditioning system. The oil return device comprises a double-suction double-discharge compressor, an oil separator and an oil return assembly, wherein the oil return assembly comprises an oil return control valve and a connecting pipe. The oil return device is characterized in that the oil return control valve comprises a shaft, a valve needle, a valve body and a valve seat, wherein the valve body is sleeved with a sleeve; core irons are arranged on the inner wall of the valve body; the shaft is arranged in the middle of the valve body and positioned between the core irons; the lower end of the shaft is connected with the valve needle; the valve seat is arranged at the lower end of the valve body; the valve needle is matched with an inner cavity of the valve seat; an outlet connecting pipe is arranged at the lower end of the valve seat; and the side wallof the valve body is connected with an inlet connecting pipe. The problems that the double-suction double-discharge compressor directly exhausts oil, oil discharging rate in a compression cylinder ishigh, lubricating oil is difficult to return, oil is returned by controlling an adjusting valve, and control is complex can be solved; and the requirement of step heating or refrigerating of indoor air is met, the abrasion of the compressor is reduced, and the service life is prolonged.