CN103438523B - Electric-energy-storage high-accuracy air conditioning equipment using low-grade heat source heat pump - Google Patents
Electric-energy-storage high-accuracy air conditioning equipment using low-grade heat source heat pump Download PDFInfo
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- CN103438523B CN103438523B CN201310333536.0A CN201310333536A CN103438523B CN 103438523 B CN103438523 B CN 103438523B CN 201310333536 A CN201310333536 A CN 201310333536A CN 103438523 B CN103438523 B CN 103438523B
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Abstract
The invention relates to electric-energy-storage high-accuracy air conditioning equipment using a low-grade heat source heat pump. The equipment comprises a low-grade heat source, an adsorption-type heat pump, a heat energy storage device and an air conditioning system. The heat energy storage device comprises a heat-electricity conversion device and an electric energy storage device. The air conditioning system is a compression-type air conditioning system. The low-grade heat source is converted into a high-temperature heat source through the adsorption-type heat pump, then the high-temperature heat source is converted into electric energy through the heat-electricity conversion device, the electric energy is supplied to the air conditioning system and excessive electric energy is stored in the electric energy storage device for future use. The electric-energy-storage high-efficiency air conditioning equipment using the low-grade heat source heat pump has the advantages that since the heat energy is converted into the electric energy through the heat-electricity conversion device and then the electric energy is stored, the electric energy density is improved and the occupied space is saved; since the electric energy is used for driving the ordinary compression-type air conditioning system, the precise control of an air conditioner is easy to realize and the use requirements of places which have higher requirements on the air conditioner can be met; since a sensor is used for measuring the internal parameters of the adsorption-type heat pump and the adsorption conversion frequency of adsorbing agent is controlled, the conversion process can be shortened and the working efficiency of the heat pump is improved.
Description
Technical field
The present invention relates to a kind of electric energy storage high efficiency apparatus of air conditioning using low-grade heat source heat pump, be mainly used in the occasion higher to air-conditioning requirement, as greenhouse, laboratory and luxurious hotel.
Background technology
There is one " to use energy storage variations in temperature formula air conditioning method and the special equipment thereof of groundwater reservoir and water resource heat pump " (CN200710036201) in prior art, comprise a underground heat conversion cycle loop and an air conditioning heat conversion cycle loop.A variable temperature air conditioning heat conversion cycle loop is contained in this air conditioning heat conversion cycle loop.In underground heat conversion cycle loop, water resource heat pump uses energy-storage box switching energy, and in air conditioning heat conversion cycle loop, energy-storage box uses air conditioning load loop switching energy.Utilize energy storage water (liquid) case heat energy storage, to realize stable continuous output to meet the needs of power save mode of operation, the Rapid Variable Design of the low capacity and temperature that solve current thermal source causes the problem of larger variations in temperature and a large amount of power consumptions.But the shortcoming utilizing energy storage water (liquid) case heat energy storage to exist is: the finite energy that energy-storage box stores, and take very large volume; Due to store liquid heat energy temperature height indefinite (with input the time length of heat and the temperature of thermal source about) stable regulation of the temperature of air-conditioning system is bothered very much, usually temperature requirement can not be reached, affect the service property (quality) of air-conditioning, the occasion higher to air-conditioning requirement can not be met, as in greenhouse, the use of laboratory and luxurious hotel; In addition, in prior art, the radiator of adsorption type heat pump is very slow to the transfer process of the sorption and desorption of adsorbent, reduces the operating efficiency of heat pump, improves operating cost.
Summary of the invention
The object of the invention is to provide a kind of electric energy storage high efficiency apparatus of air conditioning using low-grade heat source heat pump, to solve the finite energy of the storage that prior art exists, and takies very large volume; Because the stable regulation of the indefinite temperature to air-conditioning system of liquid heat energy temperature height stored bothers very much, usually can not reach temperature requirement, affect the service property (quality) of air-conditioning, the occasion higher to air-conditioning requirement can not be met; And the radiator of adsorption type heat pump is very slow to the transfer process of the sorption and desorption of adsorbent, the ineffective problem of heat pump.
Technical scheme of the present invention is: a kind of electric energy storage high efficiency apparatus of air conditioning using low-grade heat source heat pump, comprise low-quality thermal source, adsorption type heat pump, thermal energy storage device and air-conditioning system, it is characterized in that, described thermal energy storage device comprises thermoelectric conversion device and apparatus for storing electrical energy, and described air-conditioning system is compacting air-conditioning system; Low-quality thermal source is converted to the thermal source of high temperature by adsorption type heat pump, and is converted to electric energy by thermoelectric conversion device, for supplying the electric power of air-conditioning system, and unnecessary electrical power storage is for subsequent use in apparatus for storing electrical energy.
Described apparatus for storing electrical energy adopts lithium ion battery, Ni-MH battery or nickel-cadmium cell; Apparatus for storing electrical energy utilizes charging-discharging controller to control its discharge and recharge.
At the shell of described adsorption type heat pump built with sensor, the output signal of sensor is transferred to the conversion that a controller goes the sorption and desorption process controlling adsorption type heat pump.
Described sensor is pressure sensor or temperature sensor.
Absorber-desorber unit is when adsorbing, and the pressure and temperature in shell raises; When desorb, the pressure and temperature in shell is lower; Pressure in the enclosure or temperature raise or lower to setting value time, controller goes to control the circulating pump on heat exchanger and condensation-evaporation tube closed circuit, carry out the conversion of the sorption and desorption process of adsorption type heat pump in good time, shorten the transfer process of the sorption and desorption of adsorbent, improve the operating efficiency of heat pump.
Advantage of the present invention is: utilize thermoelectric conversion device to be electric energy by thermal power transfer, and be stored in lithium-ions battery, substantially increases electric energy density on the one hand, saves and take up room; On the other hand, utilize the compressor-type air-conditioning system of driven by power routine, easily realize the control accuracy of air-conditioner temperature, the instructions for use to the higher occasion of air-conditioning requirement can be met; In addition, utilize the parameter of the radiator inside of sensor measurement adsorption type heat pump, control the inversion frequency of sorption and desorption according to this parameter value, the transfer process of the sorption and desorption of adsorbent can be shortened, improve the operating efficiency of heat pump.
Accompanying drawing explanation
Fig. 1 is overall formation schematic diagram of the present invention.
Fig. 2 is the structural representation of adsorption type heat pump in Fig. 1.
Detailed description of the invention
See Fig. 1 and Fig. 2, a kind of electric energy storage high efficiency apparatus of air conditioning using low-grade heat source heat pump of the present invention, comprise low-quality thermal source (comprise conventional the circulatory system) 1, adsorption type heat pump 2(comprise conventional supporting cyclic control system), thermoelectric conversion device 3, apparatus for storing electrical energy 4 and air-conditioning system 5, described air-conditioning system 5 is compacting air-conditioning system.Low-quality thermal source 1 is converted to the thermal source of high temperature by adsorption type heat pump 2, and is converted to electric energy by thermoelectric conversion device 3, for supplying the electric power of air-conditioning system 5, and unnecessary electrical power storage is for subsequent use in apparatus for storing electrical energy (battery) 4.
Described apparatus for storing electrical energy 4 adopts lithium ion battery, Ni-MH battery or nickel-cadmium cell; Apparatus for storing electrical energy 4 utilizes charging-discharging controller 6(routine techniques) control its discharge and recharge.
Described thermoelectric conversion device 3 is routine techniques, as adopted Alkali metal thermoelectric converter or temperature difference heat galvanic couple unit group electricity generating method and temperature-difference thermoelectric conversion device (CN98113410.6) etc.
The structure of described adsorption type heat pump 2 and the circulatory system are routine techniques, and it is provided with the absorber-desorber unit 24 be made up of heat exchanger 22 and solid adsorption material 23 in shell 21.This absorber-desorber unit 24 is contained in a public shell 21 sealed surrounding environment together with a condenser-reboiler unit (comprising condensation-evaporation tube 26 and condensation-evaporant 27).Wherein, this absorber-desorber unit 24 is spaced by the element 25 of a permeable adsorbate with condenser-reboiler unit 26.The closed circuit of heat exchanger 22 and condensation-evaporation tube 26 is respectively equipped with circulating pump 7 and 8.
At shell 21 built with sensor 29, the output signal of sensor 29 is transferred to the conversion that a controller 28 goes the sorption and desorption process controlling adsorption type heat pump 2.Described sensor 29 adopts pressure sensor or temperature sensor.When adsorption type heat pump 2 works, absorber-desorber unit 24 is when adsorbing, and the pressure and temperature in shell 21 raises; When desorb, the pressure and temperature in shell 21 is lower.Pressure in shell 21 or temperature raise or lower to setting value time, controller 28 goes to control the circulating pump 7 and 8 on heat exchanger 22 and condensation-evaporation tube 26 closed circuit, carry out the conversion of the sorption and desorption process of adsorption type heat pump 2 in good time, shorten the transfer process of the sorption and desorption of adsorbent, improve the operating efficiency of heat pump.
Claims (4)
1. one kind uses the electric energy storage high efficiency apparatus of air conditioning of low-grade heat source heat pump, comprise low-quality thermal source, adsorption type heat pump, thermal energy storage device and air-conditioning system, it is characterized in that, described thermal energy storage device comprises thermoelectric conversion device and apparatus for storing electrical energy, and described air-conditioning system is compacting air-conditioning system; Low-quality thermal source is converted to the thermal source of high temperature by adsorption type heat pump, and is converted to electric energy by thermoelectric conversion device, for supplying the electric power of air-conditioning system, and unnecessary electrical power storage is for subsequent use in apparatus for storing electrical energy; At the shell of described adsorption type heat pump built with sensor, the output signal of sensor is transferred to the conversion that a controller goes the sorption and desorption process controlling adsorption type heat pump.
2. the electric energy storage high efficiency apparatus of air conditioning of use low-grade heat source heat pump according to claim 1, is characterized in that, described apparatus for storing electrical energy adopts lithium ion battery, Ni-MH battery or nickel-cadmium cell; Apparatus for storing electrical energy utilizes charging-discharging controller to control its discharge and recharge.
3. the electric energy storage high efficiency apparatus of air conditioning of use low-grade heat source heat pump according to claim 1, it is characterized in that, described sensor is pressure sensor or temperature sensor.
4. the electric energy storage high efficiency apparatus of air conditioning of use low-grade heat source heat pump according to claim 3, is characterized in that, absorber-desorber unit is when adsorbing, and the pressure and temperature in shell raises; When desorb, the pressure and temperature in shell reduces; Pressure in the enclosure or temperature raise or when being reduced to setting value, controller goes to control the circulating pump on heat exchanger and condensation-evaporation tube closed circuit, carry out the conversion of the sorption and desorption process of adsorption type heat pump in good time, shorten the transfer process of the sorption and desorption of adsorbent, improve the operating efficiency of heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310333536.0A CN103438523B (en) | 2013-08-02 | 2013-08-02 | Electric-energy-storage high-accuracy air conditioning equipment using low-grade heat source heat pump |
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| CN201310333536.0A CN103438523B (en) | 2013-08-02 | 2013-08-02 | Electric-energy-storage high-accuracy air conditioning equipment using low-grade heat source heat pump |
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| Publication Number | Publication Date |
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| CN103438523A CN103438523A (en) | 2013-12-11 |
| CN103438523B true CN103438523B (en) | 2015-04-15 |
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| CN201310333536.0A Expired - Fee Related CN103438523B (en) | 2013-08-02 | 2013-08-02 | Electric-energy-storage high-accuracy air conditioning equipment using low-grade heat source heat pump |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103438522A (en) * | 2013-08-02 | 2013-12-11 | 南通大学 | Electric-energy-storage high-precision air conditioning equipment using low-grade heat source heat pump |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10217443B4 (en) * | 2002-04-18 | 2004-07-08 | Sortech Ag | Solid sorption heat pump |
| AT504653B1 (en) * | 2007-03-12 | 2008-07-15 | Vaillant Austria Gmbh | Adsorption heat pump operating method, involves directly connecting adsorber and/or desorber with evaporator and/or condenser together, and disconnecting heat pump according to termination of adsorption |
| US8425674B2 (en) * | 2008-10-24 | 2013-04-23 | Exxonmobil Research And Engineering Company | System using unutilized heat for cooling and/or power generation |
| CN101554837A (en) * | 2008-12-31 | 2009-10-14 | 上海市延安中学 | Bus recycling energy |
| CN102628625A (en) * | 2012-05-03 | 2012-08-08 | 金继伟 | Recovered and absorbed heat warming and boosting system device |
| CN103438522A (en) * | 2013-08-02 | 2013-12-11 | 南通大学 | Electric-energy-storage high-precision air conditioning equipment using low-grade heat source heat pump |
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