CN204534802U - A kind of phase-change thermal storage coupled solar collection heat storage and heat supply system - Google Patents
A kind of phase-change thermal storage coupled solar collection heat storage and heat supply system Download PDFInfo
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- CN204534802U CN204534802U CN201520074347.0U CN201520074347U CN204534802U CN 204534802 U CN204534802 U CN 204534802U CN 201520074347 U CN201520074347 U CN 201520074347U CN 204534802 U CN204534802 U CN 204534802U
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- Y—GENERAL 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model provides a kind of phase-change thermal storage coupled solar collection heat storage and heat supply system, it comprise be connected in series by pipeline solar thermal collector, phase-change thermal storage heat-exchanger rig, with hot end and circulating pump.Wherein, described solar thermal collector is used for solar energy to be converted to heat energy, described phase-change thermal storage heat-exchanger rig is used for by phase-change material heat storage and exchange, and described circulating pump is used for the heat energy of described solar thermal collector or described phase-change thermal storage heat-exchanger rig to be supplied to describedly uses hot end.Compared with conventional water tank heat accumulation, phase-change thermal storage coupled solar collection heat storage and heat supply system of the present utility model utilizes heat accumulating latent heat of phase change store heat, heat accumulation temperature is low and constant, heat-conducting work medium running temperature is low, solar thermal collector collecting efficiency is high, solar thermal collector and pipeline thermal loss little; And heat exchange capacity of energy storing device is large, volume is little, and take up room little, radiation loss is few.
Description
Technical field
The utility model relates to heat field of storage, and particularly relate to a kind of phase-change thermal storage coupled solar collection heat storage and heat supply system, it combines the heat supply of phase-change material heat accumulation and solar energy heating technology.
Background technology
At present, building and heating and industrial or agricultural heat can consume the high-grade energies such as a large amount of fossil energies, electric power, also create the pollutants such as a large amount of carbon dioxide simultaneously.Therefore, for responding the call of national energy-saving reduction of discharging and energy reproducible utilization, need to develop the cheap reproducible energy for building and heating and industrial or agricultural heat preservation and heat supply technology.
In order to solve solar energy for building and heating and industrial or agricultural thermal technology bottleneck, people have invented multiple solar-heating heating system.Tradition solar-heating heating system is primarily of solar thermal collector, water tank, circulation and control system composition.It take water as heat-storage medium, and rely on the intensification sensible heat of Water in Water Tanks to carry out store heat, water tank volume is large, and thermal loss is large, and the collecting efficiency of solar thermal collector is low.
Utility model content
The utility model aims to provide a kind of phase-change thermal storage coupled solar collection heat storage and heat supply system, and its thermal loss is few, can realize constant temperature heat supply.
Embodiment of the present utility model provides a kind of phase-change thermal storage coupled solar collection heat storage and heat supply system, described phase-change thermal storage coupled solar collection heat storage and heat supply system comprise be connected in series by pipeline solar thermal collector, phase-change thermal storage heat-exchanger rig, with hot end and circulating pump, wherein, described solar thermal collector is used for solar energy to be converted to heat energy, described phase-change thermal storage heat-exchanger rig is used for by phase-change material heat storage and exchange, and described circulating pump is used for the heat energy of described solar thermal collector or described phase-change thermal storage heat-exchanger rig to be supplied to describedly uses hot end.
As the further improvement of technique scheme, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the attemperater being positioned at described phase-change thermal storage heat-exchanger rig upstream, is provided with at least one in trough-electricity assisted heating device, heat-conducting work medium automatically supplying apparatus, level display device, blowdown apparatus and overflow exhaust apparatus in described attemperater.
As the further improvement of technique scheme, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the trough-electricity assisted heating device being positioned at the described upstream with hot end.
As the further improvement of technique scheme, described solar thermal collector is a kind of in vacuum tube collector, heat pipe vacuum tube collector and flat plate collector or the combination between them.
As the further improvement of technique scheme, the heat pipe that described phase-change thermal storage heat-exchanger rig comprises cool-bag, is contained in the phase-change material in described cool-bag and is arranged in described cool-bag, for the heat-transfer working medium that circulates in this heat pipe, this heat pipe has the inlet and liquid outlet that pass described cool-bag, and described heat-transfer working medium is water.
As the further improvement of technique scheme, described heat pipe helically is arranged in described cool-bag, and this heat pipe only has an inlet and a liquid outlet.
As the further improvement of technique scheme, described phase-change material is inorganic salts hydrate phase-change heat-storage material.
As the further improvement of technique scheme, described is building and heating grounding heat coil tube or bath hot water heat-exchanging water tank with hot end.
As the further improvement of technique scheme, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises magnetic valve and attemperater, trough-electricity assisted heating device is provided with in described attemperater, described magnetic valve and described solar thermal collector are attempted by the downstream of described circulating pump and the upstream of described attemperater, described attemperater is located at the upstream of described phase-change thermal storage heat-exchanger rig, described attemperater is connected with described phase-change thermal storage heat-exchanger rig
Wherein, described solar thermal collector, described attemperater, described phase-change thermal storage heat-exchanger rig, the described major cycle forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end and described circulating pump;
Described attemperater, described phase-change thermal storage heat-exchanger rig, the described auxiliary circulation forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end, described circulating pump and described magnetic valve.
As the further improvement of technique scheme, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises controller and pipe defroster, and described controller is for controlling described magnetic valve, described circulating pump, described trough-electricity assisted heating device and pipe defroster.
Phase-change thermal storage coupled solar collection heat storage and heat supply system of the present utility model adopts phase-change thermal storage heat-exchanger rig to carry out heat storage and exchange, compared with conventional water tank heat accumulation, phase-change thermal storage heat-exchanger rig utilizes heat accumulating latent heat of phase change store heat, heat accumulation temperature is low and constant, heat-conducting work medium running temperature is low, solar thermal collector collecting efficiency is high, solar thermal collector and pipeline thermal loss little; And heat exchange capacity of energy storing device is large, volume is little, and take up room little, radiation loss is few.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heat exchange energy storage device of the first embodiment of the present utility model;
Fig. 2 is the structural representation of the heat exchange energy storage device of the second embodiment of the present utility model;
Fig. 3 is the structural representation of the heat exchange energy storage device of the 3rd embodiment of the present utility model;
Fig. 4 is the structural representation of the major cycle of the heat exchange energy storage device of the 3rd embodiment of the present utility model;
Fig. 5 is the structural representation of the auxiliary circulation of the heat exchange energy storage device of the 3rd embodiment of the present utility model;
Fig. 6 is the structural representation of the heat exchange energy storage device of the 4th embodiment of the present utility model.
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Below in conjunction with Fig. 1 to Fig. 6, these four embodiments of the present utility model are described.It should be noted that part identical in each embodiment, omit the description or only illustrate simply.In addition, herein, term " upstream " and " downstream " are the relative terms of the flow direction with reference to heat-conducting work medium, as shown by arrows in FIG..
As shown in Figure 1, in the first embodiment, phase-change thermal storage coupled solar collection heat storage and heat supply system comprise be connected in series successively by pipeline solar thermal collector 1, phase-change thermal storage heat-exchanger rig 3, with hot end 4 with hot end 6 and circulating pump 5.Wherein, described solar thermal collector 1 is for being converted to heat energy by solar energy.Described phase-change thermal storage heat-exchanger rig 3 is for passing through phase-change material heat storage and exchange.Described circulating pump 5 is for being supplied to described hot end 4 and with hot end 6 by the heat energy of described solar thermal collector 1 or described phase-change thermal storage heat-exchanger rig 3.
In the present embodiment, described solar thermal collector 1 can be a kind of, combination between two or whole threes between them the combination in vacuum tube collector, heat pipe vacuum tube collector and flat plate collector.
In the present embodiment, the heat pipe that described phase-change thermal storage heat-exchanger rig 3 can comprise cool-bag, be contained in the phase-change material in described cool-bag and be arranged in described cool-bag, for the heat-transfer working medium that circulates in this heat pipe, this heat pipe has the inlet and liquid outlet that pass described cool-bag, and described heat-transfer working medium is water.Cool-bag can be double-decked insulation, profile is not limit, require according to final utilization and arrange environment, can be circular, also can be square or the structure such as rectangle, the heat pipe of this cool-bag be coil pipe and be bearing structure, and cool-bag can be pressure-bearing or nonbearing structure, can be placed on Anywhere according to field condition, as horizontal plane, below ground or other position.Heat pipe can be commercially available organic material pipe, as PE (PE is vinyon), PEX (crosslinked polyethylene pipe), PERT (heat-resisting polyethylene tube is the english abbreviation of Polyethylene of raised temperature resistance pipe), PP manage (Polypropylene PA tube).Heat pipe can be also metal tube, as 304 stainless steels.Heat pipe also can be other tubes of material of resistance to more than 90 degree high temperature, and its external diameter can be such as 20mm.In a preferred embodiment, heat pipe helically is arranged in described cool-bag, and this heat pipe only has an inlet and a liquid outlet.
Described phase-change material can be inorganic salts hydrate phase-change heat-storage material.In one embodiment, described phase-change material is made up of the magnesium nitrate hexahydrate of the magnesium chloride hexahydrate and 58.7% (volume) of 41.3% (volume), and its phase point temperature is 58 degrees Celsius.In another embodiment, phase-change material is magnesium nitrate hexahydrate, and its transformation temperature is 89 degrees Celsius.
Because inorganic material phase-change thermal storage heat-exchanger rig comprises cool-bag, the heat pipe being contained in the phase-change material in described cool-bag and being arranged in described cool-bag, for the heat-transfer working medium that circulates in this heat pipe, this heat pipe has the inlet and liquid outlet that pass described cool-bag, inorganic material phase-change thermal storage heat-exchanger rig of the present utility model unites two into one being used for the turnover of thermal-arrest cycle fluid in existing heat storage and exchange device and being used for heat release cycle fluid turnover dual circuit system, both the use amount of heat pipe had been decreased, effectively reduce cost, and effectively increase the useful load of heat accumulating in unit volume, improve energy conversion efficiency.
In a first embodiment, described is bath hot water heat-exchanging water tank with hot end 4, is building and heating grounding heat coil tube with hot end 6.Certainly, can for other suitable any other structures needing heat with hot end.Wherein, so-called grounding heat coil tube, refer under being laid in floor, with temperature not higher than the hot water of 60 DEG C for heating agent, at heating tube internal circulation flow heating floor, thus realize large-area radiant heat transfer, bringing up a kind of pipe-line system meeting the indoor environment that human comfort requires, is also the heating pipeline system of Modern New.
As shown in Figure 2, in a second embodiment, on the basis of the first embodiment, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the attemperater 2 of the upstream being positioned at described phase-change thermal storage heat-exchanger rig 3.At least one in trough-electricity assisted heating device 9, heat-conducting work medium automatically supplying apparatus, level display device, blowdown apparatus and overflow exhaust apparatus is provided with in described attemperater 2.Thus, trough-electricity can be utilized to heat water, auxiliary heat supplying or heating.And, can automatically supply heat-conducting work medium and water.And, the liquid level of heat-conducting work medium, blowdown, exhaust etc. can also be shown.
But, trough-electricity assisted heating device 9 also can not be arranged in described attemperater 2, in further embodiments, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the trough-electricity assisted heating device 9 being positioned at described hot end 4 and the upstream with hot end 6.Trough-electricity assisted heating device 9 is arranged in circulation line, exports between the entrance with hot end 4 as being arranged on phase-change thermal storage heat-exchanger rig 3.Thus, trough-electricity can be utilized to heat water.
Phase-change thermal storage coupled solar collection heat storage and heat supply system according to the present embodiment, can adopt more cheap trough-electricity to the energy supply of trough-electricity assisted heating device.Therefore, the phase-change thermal storage coupled solar collection heat storage and heat supply system described in the present embodiment possesses stagger the time heat accumulation and lasting heat supply functional characteristic, makes solar energy composite fraction high.
As shown in Figure 3, in the third embodiment, on the basis of the first embodiment, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises magnetic valve 7 and attemperater 2, is provided with trough-electricity assisted heating device 9 in described attemperater 2.Described magnetic valve 7 is attempted by the downstream of described circulating pump 5 and the upstream of described attemperater 2 with described solar thermal collector 1.Described attemperater 2 is connected with described phase-change thermal storage heat-exchanger rig 3, and described attemperater 2 is located at the upstream of described phase-change thermal storage heat-exchanger rig 3.In addition, magnetic valve 7 can be substituted by other electrically operated valves.
As shown in Figure 4, described solar thermal collector 1, described attemperater 2, described phase-change thermal storage heat-exchanger rig 3, described with hot end 4 and the major cycle 100 forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end 6 and described circulating pump 5.
As shown in Figure 5, described attemperater 2, described phase-change thermal storage heat-exchanger rig 3, described with hot end 4 and the auxiliary circulation 200 forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end 6, described circulating pump 5 and described magnetic valve 7.
As shown in Figure 6, in the fourth embodiment, on the basis of the 3rd embodiment, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises controller 8 and pipe defroster (not shown), and described controller 8 is for controlling described magnetic valve 7, described circulating pump 5, described trough-electricity assisted heating device 9 and pipe defroster.
In the fourth embodiment, controller 8 gather solar thermal collector 1, phase-change thermal storage heat-exchanger rig 3 outlet and by hot end 4 and the temperature with hot end 6, and to work according to collection result controlled circulation pump 5 and magnetic valve 7.Controller 8 can comprise control section and display section, or by control section and display section integrated as a whole, it can set heat supply in summer and heat supply in winter mode of operation, also can according to the best indoor heating temperature of user's setting and hot water temperature's value, the whole year realizing system is run automatically.
In the present embodiment, magnetic valve 7 can realize major cycle 100 and secondary circulation 200 function switches, and has antifreeze and power-off protection function concurrently.
The operation principle of the 4th embodiment is introduced below for building and heating and bathing hot water.At Heating Season, in the heat supply working time section of setting, when heating indoor temperature value, namely with the temperature value of hot terminal lower than startup lower-limit temperature value time, controller 8 controlled circulation pump 5 starts, and heating system is given described with hot terminal heat supply by major cycle 100 or auxiliary circulation 100.When heating indoor temperature value, namely with the temperature value of hot terminal higher than startup ceiling temperature value time, controller 8 controlled circulation pump 5 quits work, and again starts until indoor temperature is reduced to circulating pump 5 when starting lower-limit temperature value.
By day, when the temperature of the solar thermal collector 1 that controller 8 detects is greater than major cycle startup set temperature value, controller 8 Controlling solenoid valve 7 is closed, major cycle 100 works, heat in solar thermal collector 1 imports in the heat pipe of heat exchange energy storage device 3 by heat-conducting work medium, absorb after heat of high temperature through heat exchange energy storage device, heat imports to by hot terminal 4, with in hot terminal 6 by the cryogenic fluid of temperature constant again, provides constant temperature thermal source to building and heat-exchanging water tank.
At night or overcast and rainy snow weather, when the temperature of the solar thermal collector that controller 8 detects is less than major cycle stopping set temperature value, controller 8 Controlling solenoid valve 7 is opened, heating system is switched to secondary circulation 200 work, the heat that phase-change thermal storage heat-exchanger rig 3 stores imports to by hot terminal 4, with in hot terminal 6 by heat-conducting work medium, provides constant temperature thermal source to building and heat-exchanging water tank.
When low power consumption period (such as evening 8 after), controller 8 can start trough-electricity assisted heating device 9 and by auxiliary circulation 200 to described hot terminal 4, with the heat supply of hot terminal 6.As, when phase-change thermal storage heat-exchanger rig 3 storing heat are not enough to maintain building and heating institute calorific requirement, within the time period of setting (as the trough-electricity period), trough-electricity assisted heating device 9 starts, give system heat supply by pair circulation 200, meet indoor heating temperature requirement.
In addition, in further embodiments, described phase-change thermal storage coupled solar collection heat storage and heat supply system is also provided with antifreeze heating tape.Antifreeze heating tape is arranged on the outdoor circulation line of described phase-change thermal storage coupled solar collection heat storage and heat supply system, parallel layout and pipe surface.Antifreeze heating tape is conventional structure.Solar thermal collector itself generally does not need to take antifreezing measures, system itself has thermal collector freezing prevention circulatory function, in heat collector temperature lower than setting value, during as 4 DEG C, phase-change thermal storage coupled solar collection heat storage and heat supply system can start thermal-arrest circulation automatically, heat in phase-change thermal storage heat-exchanger rig is supplied to solar thermal collector, and the temperature raising solar thermal collector, to set temperature value, realizes thermal collector freezing prevention function.Therefore, described solar thermal collector 1 also has antifreeze function, and when the temperature of solar thermal collector 1 is lower than antifreeze set temperature value, system can start thermal collector freezing prevention function automatically.
Phase-change thermal storage coupled solar collection heat storage and heat supply system described in 4th embodiment of the present utility model, at least tool has the following advantages:
(1) adopt inorganic-phase variable heat exchange energy storage device compared with conventional water tank heat accumulation, phase-change thermal storage case utilizes heat accumulating latent heat of phase change store heat, heat accumulation temperature is low and constant, heat-conducting medium running temperature is low, solar thermal collector 1 collecting efficiency is high, solar thermal collector 1 and pipeline thermal loss little; Heat exchange capacity of energy storing device is large, and volume is little, and take up room little, radiation loss is few.
(2) heat exchange energy storage device can provide constant temperature thermal source lastingly to by hot terminal, can meet and use heat demand lastingly with hot end 4 with hot end 6 is stable.
(3) utilize the natural pressure reduction of system components, realize major cycle 100 by a magnetic valve 7 and auxiliary circulation 200 is automatically switched, reduce investment and the operating cost of circulating pump 5 and respective line; Achieve major cycle 100 quit work or system cut-off time, the working media of outdoor pipeline returns in attemperater 2 automatically, achieves zero power consumption antifreeze function and system cut-off self-protection function.
4) native system has trough-electricity assisted heating device 9, and thus possess stagger the time heat accumulation and lasting heat supply functional characteristic, solar energy composite fraction is high, and more cheap trough-electricity can be adopted to the energy supply of trough-electricity assisted heating device.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a phase-change thermal storage coupled solar collection heat storage and heat supply system, it is characterized in that, described phase-change thermal storage coupled solar collection heat storage and heat supply system comprise be connected in series by pipeline solar thermal collector, phase-change thermal storage heat-exchanger rig, with hot end and circulating pump, wherein, described solar thermal collector is used for solar energy to be converted to heat energy, described phase-change thermal storage heat-exchanger rig is used for by phase-change material heat storage and exchange, and described circulating pump is used for the heat energy of described solar thermal collector or described phase-change thermal storage heat-exchanger rig to be supplied to describedly uses hot end.
2. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, it is characterized in that, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the attemperater of the upstream being positioned at described phase-change thermal storage heat-exchanger rig, is provided with at least one in trough-electricity assisted heating device, heat-conducting work medium automatically supplying apparatus, level display device, blowdown apparatus and overflow exhaust apparatus in described attemperater.
3. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, is characterized in that, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises the trough-electricity assisted heating device being positioned at the described upstream with hot end.
4. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, is characterized in that, described solar thermal collector is a kind of in vacuum tube collector, heat pipe vacuum tube collector and flat plate collector or the combination between them.
5. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, it is characterized in that, the heat pipe that described phase-change thermal storage heat-exchanger rig comprises cool-bag, is contained in the phase-change material in described cool-bag and is arranged in described cool-bag, for the heat-transfer working medium that circulates in this heat pipe, this heat pipe has the inlet and liquid outlet that pass described cool-bag, and described heat-transfer working medium is water.
6. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 5, it is characterized in that, described heat pipe helically is arranged in described cool-bag, and this heat pipe only has an inlet and a liquid outlet.
7. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, is characterized in that, described phase-change material is inorganic salts hydrate phase-change heat-storage material.
8. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, is characterized in that, described is building and heating grounding heat coil tube or bath hot water heat-exchanging water tank with hot end.
9. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 1, it is characterized in that, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises magnetic valve and attemperater, trough-electricity assisted heating device is provided with in described attemperater, described magnetic valve and described solar thermal collector are attempted by the downstream of described circulating pump and the upstream of described attemperater, described attemperater is connected with described phase-change thermal storage heat-exchanger rig
Wherein, described solar thermal collector, described attemperater, described phase-change thermal storage heat-exchanger rig, the described major cycle forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end and described circulating pump;
Described attemperater, described phase-change thermal storage heat-exchanger rig, the described auxiliary circulation forming described phase-change thermal storage coupled solar collection heat storage and heat supply system with hot end, described circulating pump and described magnetic valve.
10. phase-change thermal storage coupled solar collection heat storage and heat supply system according to claim 9, it is characterized in that, described phase-change thermal storage coupled solar collection heat storage and heat supply system also comprises controller and pipe defroster, and described controller is for controlling described magnetic valve, described circulating pump, described trough-electricity auxiliary heating and pipe defroster.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199114A (en) * | 2017-11-30 | 2018-06-22 | 全球能源互联网欧洲研究院 | A kind of battery thermal management system and its control method, vehicle air conditioner |
| CN110220315A (en) * | 2019-06-23 | 2019-09-10 | 李肥生 | Solar energy central water heater suitable for high-rise building |
| CN110805949A (en) * | 2019-11-11 | 2020-02-18 | 上海光秦环保科技发展有限公司 | Commercial hot water heat-storage energy-saving environment-friendly system |
| CN113418308A (en) * | 2021-06-23 | 2021-09-21 | 唐山百川智能机器股份有限公司 | Cross-season solar high-temperature heat storage system and method |
-
2015
- 2015-02-03 CN CN201520074347.0U patent/CN204534802U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199114A (en) * | 2017-11-30 | 2018-06-22 | 全球能源互联网欧洲研究院 | A kind of battery thermal management system and its control method, vehicle air conditioner |
| CN110220315A (en) * | 2019-06-23 | 2019-09-10 | 李肥生 | Solar energy central water heater suitable for high-rise building |
| CN110805949A (en) * | 2019-11-11 | 2020-02-18 | 上海光秦环保科技发展有限公司 | Commercial hot water heat-storage energy-saving environment-friendly system |
| CN113418308A (en) * | 2021-06-23 | 2021-09-21 | 唐山百川智能机器股份有限公司 | Cross-season solar high-temperature heat storage system and method |
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