CN111780453A - Adsorption type wind energy refrigerator - Google Patents

Adsorption type wind energy refrigerator Download PDF

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Publication number
CN111780453A
CN111780453A CN201910282756.2A CN201910282756A CN111780453A CN 111780453 A CN111780453 A CN 111780453A CN 201910282756 A CN201910282756 A CN 201910282756A CN 111780453 A CN111780453 A CN 111780453A
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China
Prior art keywords
wind
heat
type
magnetic coupling
adsorption
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CN201910282756.2A
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Chinese (zh)
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李启飞
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B35/00Boiler-absorbers, i.e. boilers usable for absorption or adsorption
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

The adsorption type wind energy refrigerator directly or indirectly heats an adsorption generator by using wind energy, which is an adsorption type refrigerating device formed by combining and applying a wind heater (a maximum load non-adjustable wind heater and a maximum load adjustable wind heater) and an adsorption type refrigerating cycle. The direct heating by wind energy is to integrate the wind heater and the adsorption generator in the refrigeration cycle, and the indirect heating by wind energy is to integrate the heat exchanger and the adsorption generator in the refrigeration cycle. The adsorption type wind energy refrigerator comprises the following key parts: a wind heater, an adsorption generator, a condenser and an evaporator.

Description

Adsorption type wind energy refrigerator
Technical Field
Wind energy refrigeration, wind energy air conditioning, refrigeration, new energy, clean energy, wind energy, renewable energy, energy conservation and emission reduction.
Background
Building energy consumption is one of the reasons for urban heat island effect, summer air-conditioning refrigeration is a large part of building energy consumption, and in addition, industrial refrigeration also consumes a large amount of energy, how to efficiently utilize renewable energy, reduce environmental pollution, solve energy crisis?
In the prior art, an adsorption refrigeration device heats an adsorption generator by using low-grade heat energy, solar energy and the like in an industrial process and correspondingly forms an adsorption refrigeration device with a corresponding structure type, and the adsorption refrigeration device is lack of competitiveness in the market due to the problems of too long refrigeration cycle period, relatively small refrigeration capacity, relatively low cycle heat efficiency and the like.
The inventor has previously proposed several inventions of air heaters (the maximum load is not adjustable) and the patent application numbers are 201710033385.5 (vertical shaft air heater, the maximum load is not adjustable), 201710033382.1 (horizontal shaft air heater, the maximum load is not adjustable), 201710033401.0 (vertical shaft air heater with adjustable maximum load), 201710033381.7 (horizontal shaft air heater with adjustable maximum load) and the like, which can be referred to.
Disclosure of Invention
The invention provides a novel adsorption type refrigerating device, namely an adsorption type wind energy refrigerator, which directly or indirectly heats an adsorption generator by utilizing wind energy. The adsorption type wind energy refrigerator is an adsorption type refrigerating device formed by combining and applying a wind heater (a maximum load non-adjustable wind heater and a maximum load adjustable wind heater) and an adsorption type refrigerating cycle, wherein a driving heat source in a thermodynamic cycle of the adsorption type wind energy refrigerator adopts a wind heater to directly heat an adsorption generator in the refrigerating cycle or a heat medium heated by the wind heater to heat the adsorption generator in the refrigerating cycle (indirect heating). The direct heating by wind energy is to integrate the wind heater and the adsorption generator in the refrigeration cycle, and the indirect heating by wind energy is to integrate the heat exchanger and the adsorption generator in the refrigeration cycle.
Because the wind speed variation range is very large, in order to enable the adsorption type wind energy refrigerator to play the maximum role, a heating mode of directly heating and indirectly heating and mixing wind energy is preferably adopted, when the wind power is sufficient, heat energy storage is carried out, and when the wind power is too weak or no wind exists, the stored high-temperature heating medium is used as a driving heat source in a refrigeration cycle, so that the purpose of continuous refrigeration of energy storage and peak regulation is achieved.
The wind heater used by the adsorption type wind energy refrigerator preferably adopts the wind heater with adjustable maximum load, so that the heat load can be conveniently adjusted by adopting closed-loop automatic control, a power transmission speed change system of the wind heater with the adjustable maximum load adopts a speed increaser, the speed increaser cannot adapt to the change of wind speed due to fixed speed ratio, and although the speed increaser can adapt to the change of the wind speed, the speed increaser does not contribute much to the adjustment of the heat load and cannot obviously and effectively adjust the heat load.
Drawings
Fig. 1 shows a basic schematic diagram of a batch adsorption refrigeration unit, in which valves and accumulators are not essential components, and the thermodynamic cycle is as follows: 1) putting a working medium into the adsorption generator, then closing the valve, heating the adsorption generator to heat and boost the working medium, 2) opening the valve, enabling the working medium to continuously desorb and leave the adsorption generator, cooling the working medium by the condenser, and then entering the evaporator, meanwhile, continuously heating the adsorption generator, 3) closing the valve, stopping heating the adsorption generator, enabling the adsorption generator to cool, cool and reduce the pressure, 4) opening the valve, and enabling the working medium in the evaporator to be adsorbed into the adsorption generator again, thereby realizing evaporation and refrigeration.
Fig. 2 shows a basic schematic diagram of a continuous adsorption refrigeration unit, the thermodynamic cycle being as follows: 1) putting a working medium into the adsorption generator A, closing all valves, and heating the adsorption generator A to raise the temperature and the pressure of the working medium; 2) opening the valve 1, continuously desorbing the working medium, leaving the adsorption generator A, cooling the working medium by the condenser, and then entering the evaporator, and continuously heating the adsorption generator A; 3) closing the valve 1, stopping heating the adsorption generator A, cooling and depressurizing the adsorption generator A, simultaneously opening the valve 2, and adsorbing the working medium in the evaporator into the adsorption generator B to realize evaporation refrigeration; 4) closing all valves, and heating the adsorption generator B to raise the temperature and pressure of the working medium; 5) opening the valve 2, continuously desorbing the working medium, leaving the adsorption generator B, cooling by the condenser, and then entering the evaporator, and meanwhile, continuously heating the adsorption generator B; 6) and (3) closing the valve 2, stopping heating the adsorption generator B, cooling and depressurizing the adsorption generator B, simultaneously opening the valve 1, and adsorbing the working medium in the evaporator into the adsorption generator A to realize evaporation refrigeration. Thus, the adsorption refrigeration cycle is repeated. In the figure, two adsorption generators are used, or a plurality of adsorption generators can be used, and adsorption and desorption are carried out according to a certain sequence, so that the whole adsorption refrigeration cycle can continuously refrigerate.
Fig. 3 shows another basic schematic diagram of a continuous adsorption refrigeration unit, and fig. 3 differs from fig. 2 in that a heating medium is exchanged through a heat exchanger and an adsorption generator to provide a driving heat source. The thermodynamic cycle can adopt a wind-driven magnetocaloric energy storage peak regulation mode to generate a driving heat source to heat the adsorption generator.
Fig. 4 shows another basic schematic diagram of a continuous adsorption type refrigeration device, and the difference between fig. 4 and fig. 2 is that a regenerative cycle is additionally installed, the heat emitted by the high-temperature adsorption generator during cooling is used to heat another adsorption generator, and the regenerative cycle can be changed into a rapid cooling cycle of the adsorption generator by controlling the flow direction of the working medium to the two-position three-way solenoid valve 25. If adsorption generator A regeneratively heats adsorption generator B, the working fluid is driven by the pump through valve 21, heat exchanger, valve 25, heat exchanger, valve 24 to the condenser, at which time valves 22, 23 are closed. When the adsorption generator a cools down rapidly, the working medium is driven by the pump through the valve 21, the heat exchanger, the valve 25 to the condenser, at which time the valves 22, 23, 24 are closed.
Fig. 5 is still another basic schematic diagram of a continuous adsorption type refrigeration apparatus, and fig. 5 is different from fig. 4 in that a heating medium is exchanged through a heat exchanger and an adsorption generator to provide a driving heat source. The thermodynamic cycle can adopt a wind-driven magnetocaloric energy storage peak regulation mode to generate a driving heat source to heat the adsorption generator.
Fig. 6 and 7 show another basic schematic diagram of a continuous adsorption refrigeration device, the difference between fig. 7 and 6 is that a throttle valve is added, the thermodynamic cycle of the continuous adsorption refrigeration device shown in fig. 6 and 7 is similar to that shown in fig. 2, and the adsorption generator of the continuous adsorption refrigeration device shown in fig. 6 and 7 can be directly heated or indirectly heated.
Fig. 8 is a schematic diagram of a principle that an adsorption type wind energy refrigerator generates a driving heat source to heat an adsorption generator in a wind-driven magnetocaloric energy storage peak shaving mode, the adsorption generator is directly heated by a wind heat device when wind power is sufficient, and heat exchange is performed between a heat exchanger and the adsorption generator by using a high-temperature heat medium stored in a high-temperature energy storage tank when wind power is insufficient. The magnetic coupling heating system in the heater is used for heating the low-temperature heat storage medium, and the magnetic coupling heating system in the high-temperature energy storage tank and the magnetic coupling heating system in the low-temperature energy storage tank are used for preserving heat. Fig. 8 shows that one wind turbine drives a plurality of magnetic coupling heating systems through power splitting, and the design is flexible in practical application, and a plurality of wind heaters can be used for heating respectively.
The components of various adsorption type wind energy refrigerators can be flexibly designed according to specific use requirements, and the types of adsorption type refrigeration cycles, wind power driving systems and magnetic coupling heating systems, the heat preservation modes of high-temperature energy storage tanks and low-temperature energy storage tanks and the like can be flexibly selected and combined to form a refrigeration system.
Detailed Description
The adsorption type wind energy refrigerator is an adsorption type refrigerating device formed by combining and applying a wind heater (a wind heater with non-adjustable maximum load and a wind heater with adjustable maximum load) and an adsorption type refrigerating cycle, and when the adsorption type wind energy refrigerator is applied specifically, a proper adsorption type refrigerating cycle and the wind heater are selected according to the specific refrigerating capacity, and then various parts are designed in an integrated mode. All the components of the adsorption type wind energy refrigerator can be processed and manufactured by modern industrial manufacturing technology, and related standard components can be matched by professional manufacturers.
As a novel refrigerator, the finished product of the adsorption type wind energy refrigerator needs to have the following conditions for successful application: (1) and (4) experimental test calibration, namely establishing a test bench to complete the actual test of corresponding parts and ensure safety and reliability. (2) Control-a reasonably designed closed-loop control program so that it can be controlled automatically. 3) Heat preservation-the container in the refrigeration system should be made with heat preservation measures.

Claims (7)

1. The adsorption type wind energy refrigerator is characterized by that it combines and uses the wind heater (maximum load non-adjustable wind heater and maximum load adjustable wind heater) and adsorption type refrigeration cycle to form an adsorption type refrigeration device, the driving heat source in the thermodynamic cycle of the adsorption type wind energy refrigerator adopts the wind heater to directly heat the adsorption generator in the refrigeration cycle or uses the heat medium heated by the wind heater to heat the adsorption generator in the refrigeration cycle (indirect heating), the wind energy direct heating is to make the wind heater and the adsorption generator in the refrigeration cycle into one body, the wind energy indirect heating is to make the heat exchanger and the adsorption generator in the refrigeration cycle into one body, because the wind speed variation range is very large, in order to make the adsorption type wind energy refrigerator play the most role, it is best to adopt the heating mode of mixing the direct heating and indirect heating of wind energy, when it is sufficient, the adsorption type wind energy refrigerator comprises a wind heater, an adsorption generator, a condenser, an evaporator and other key components.
2. The absorption-type wind energy refrigerator according to claim 1, wherein an absorption-type refrigeration cycle is used, the absorption-type refrigeration cycle can employ a plurality of absorption generators, and the absorption-type refrigeration cycle performs refrigeration by transferring a certain amount of heat to the environment at the cost of a high-temperature heat source, so that the absorption-type refrigeration cycle can also be used for heating, and the heat dissipated to the outside in a condenser or an absorption generator in the thermodynamic cycle of the absorption-type refrigeration cycle is collected by heat exchange, in other words, the absorption-type wind energy refrigerator can be used for heating or as a heat pump.
3. The absorption wind energy refrigerator according to claim 1, wherein the wind heater is an unadjustable high-load wind heater or an adjustable high-load wind heater, but the power transmission speed change system of the unadjustable high-load wind heater adopts a speed increaser, which cannot adapt to the change of wind speed due to fixed speed ratio, and the gearbox can adapt to the change of wind speed, but does not contribute much to the adjustment of heat load, and cannot adjust heat load obviously and effectively, so the absorption wind energy refrigerator preferably adopts an adjustable high-load wind heater, which facilitates the adjustment of heat load by closed-loop automatic control.
4. The absorption wind energy refrigerator according to claim 1, wherein the wind heater comprises a magnetic coupling heating system and a wind power driving system, the wind power driving system can be additionally provided with a power transmission speed change system, the wind wheel of the wind power driving system can adopt a vertical axis wind wheel or a horizontal axis wind wheel, the blades of the vertical axis wind wheel can adopt lift type blades or resistance type blades, the common vertical axis wind wheel forms comprise Darrieus type wind wheel, Savonius type wind wheel, cup type wind wheel, turbine type wind wheel and other forms, for the horizontal axis wind wheel, a yaw system is added to keep the blades of the horizontal axis wind wheel at a reasonable angle with the wind direction, in addition, in order to obtain stable power output, a pitch system can be added to change the angles of the blades in real time, and for the small horizontal axis wind power driving system, the pitch system is not needed, The yaw system directly utilizes a simple tail wing (also known as a yaw device) to realize self-adaptive rotation adjustment by relying on wind power.
5. The absorption wind energy refrigerator according to claim 1, wherein the air heater comprises a magnetic coupling heating system and a wind driving system, the magnetic coupling heating system comprises a rotor and a stator, one of the rotor and the stator is provided with a magnetic block, the other is provided with an induction disc or an induction cylinder, the magnetic coupling between the rotor and the stator is utilized to realize energy conversion, mechanical energy is converted into heat energy, the mechanical energy is generated by wind driving, the magnetic coupling heating system has mutual coupling action of a relative rotating magnetic field and an induction magnetic field during operation, the relative rotating magnetic field is generated by N-pole magnetic blocks and S-pole magnetic blocks which are alternately arranged on the rotor or the stator, the induction magnetic field is generated by induction current generated in the induction disc or the induction cylinder on the stator or the rotor, the induction disc or the induction cylinder is a conductor plate or a conductor cylinder with excellent electric conductivity, the magnetic coupling surface is a theoretical assumed neutral surface which is mutually coupled with the relative rotating magnetic field and the induction magnetic field, the magnetic coupling surface is positioned between the magnetic block and the induction disc or between the magnetic block and the induction cylinder, the magnetic coupling surface of the disc type magnetic coupling heating system is vertical to the central shaft of the rotor, the magnetic coupling surface of the cylinder type magnetic coupling heating system is parallel to the central shaft of the rotor, the magnetic coupling surfaces of the hybrid type magnetic coupling heating system are simultaneously arranged in the directions which are parallel to and vertical to the central shaft of the rotor, the magnetic coupling heating system can adopt a group of magnetic coupling surfaces or a plurality of groups of magnetic coupling surfaces to be connected in series, the magnetic coupling heating system can adopt a mode of adjusting the maximum load and can also adopt a mode of not adjusting the maximum load, the magnetic coupling gap or the magnetic coupling area can be adjusted by the adjusting mechanism of the magnetic coupling system with the adjustable maximum load so as, under the condition that the torque of a driving motor of the adjusting mechanism is allowed, a plurality of groups of magnetic coupling surfaces can be adjusted by using a group of adjusting mechanisms at the same time, and the heat load of the magnetic coupling heating system with the greatly-adjustable load can be adjusted in real time only by adding a clutch in a transmission system to control the on-off to meet the heat supply requirement because the adjusting mechanism is not used for adjusting the heat load of the magnetic coupling heating system.
6. The absorption wind energy refrigerator according to claim 1, wherein the heat medium is produced by a wind heater for peak shaving of heat storage, and then the heat of the heat medium is used as a driving heat source of the absorption refrigeration cycle, the wind driven magneto-thermal peak shaving of heat storage uses a heater, a high temperature energy storage tank, a low temperature energy storage tank, and the like, the container shells of the heater, the high temperature energy storage tank, and the low temperature energy storage tank can be made of multi-layer materials, the outer layer material thereof is made of heat insulation material to prevent heat dissipation, the temperature of the molten liquid in each tank body can be detected in real time by a sensor to control the heat load, when the heat insulation performance of the container shells of the high temperature energy storage tank and the low temperature energy storage tank can meet the requirement, the high temperature energy storage tank and the low temperature energy storage tank can be insulated without using a magnetic coupling heating system, and the whole refrigeration system can, An electric heating system can be used for heat preservation in the low-temperature energy storage tank, and common electric heating principles comprise resistance heating and electromagnetic eddy current heating.
7. The magnetically-coupled heating system according to claim 5, wherein the very-large-load-adjustable magnetically-coupled heating system is used, the very-large-load-adjustable magnetically-coupled heating system is used for adjusting its heat load using an adjusting mechanism, the adjusting mechanism may be a ball screw type adjusting mechanism or a sliding screw type adjusting mechanism or a grooved cam type adjusting mechanism or a planetary roller screw type adjusting mechanism, the ball screw type adjusting mechanism operates on the principle that the adjusting mechanism converts a rotational motion into a linear motion by a ball screw assembly, thereby adjusting a magnetically-coupled gap or a magnetically-coupled area for the purpose of changing the heat load of the very-large-load-adjustable magnetically-coupled heating system, the sliding screw type adjusting mechanism is formed by using the sliding screw assembly instead of the ball screw assembly in the ball screw type adjusting mechanism, the grooved cam type adjusting mechanism is formed by using the grooved cam assembly instead of the ball screw assembly in the ball screw type adjusting mechanism, the use of a planetary roller screw assembly instead of a ball screw assembly in a ball screw type adjustment mechanism forms a planetary roller screw type adjustment mechanism.
CN201910282756.2A 2019-04-04 2019-04-04 Adsorption type wind energy refrigerator Pending CN111780453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910282756.2A CN111780453A (en) 2019-04-04 2019-04-04 Adsorption type wind energy refrigerator

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Application Number Priority Date Filing Date Title
CN201910282756.2A CN111780453A (en) 2019-04-04 2019-04-04 Adsorption type wind energy refrigerator

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CN111780453A true CN111780453A (en) 2020-10-16

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253254A (en) * 1994-03-15 1995-10-03 Toshiba Corp Heat-carrying apparatus
KR20010095993A (en) * 2000-04-14 2001-11-07 윤영열 Natural Wind Airconditioner
CN201028880Y (en) * 2007-04-30 2008-02-27 河北精英伟业科贸有限公司 Adsorption type refrigerating plant driven by electricity
WO2009035363A1 (en) * 2007-09-14 2009-03-19 Viktor Vladimirovich Tsarev Autonomous power supply system
CN107843027A (en) * 2017-11-20 2018-03-27 珠海格力电器股份有限公司 Air conditioning system and control method thereof
CN108799002A (en) * 2017-05-01 2018-11-13 李启飞 Wind drives the hot energy storage peak shaving formula wind generator system of mangneto

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07253254A (en) * 1994-03-15 1995-10-03 Toshiba Corp Heat-carrying apparatus
KR20010095993A (en) * 2000-04-14 2001-11-07 윤영열 Natural Wind Airconditioner
CN201028880Y (en) * 2007-04-30 2008-02-27 河北精英伟业科贸有限公司 Adsorption type refrigerating plant driven by electricity
WO2009035363A1 (en) * 2007-09-14 2009-03-19 Viktor Vladimirovich Tsarev Autonomous power supply system
CN108799002A (en) * 2017-05-01 2018-11-13 李启飞 Wind drives the hot energy storage peak shaving formula wind generator system of mangneto
CN107843027A (en) * 2017-11-20 2018-03-27 珠海格力电器股份有限公司 Air conditioning system and control method thereof

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