CN104930630A - Solar energy storage type cooling and heating air-conditioning apparatus - Google Patents
Solar energy storage type cooling and heating air-conditioning apparatus Download PDFInfo
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- CN104930630A CN104930630A CN201510380485.6A CN201510380485A CN104930630A CN 104930630 A CN104930630 A CN 104930630A CN 201510380485 A CN201510380485 A CN 201510380485A CN 104930630 A CN104930630 A CN 104930630A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 63
- 238000004378 air conditioning Methods 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 title abstract description 8
- 238000010438 heat treatment Methods 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000002463 transducing effect Effects 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Sustainable Energy (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention discloses a solar energy storage type cooling and heating air-conditioning apparatus comprising: a solar heat collector used for heat collection; a high temperature accumulator and a low temperature accumulator which are used for energy storage; a heat pump used for heat energy conversion; and an air-conditioning circulating pump and a blower fan coil pipe which are used for temperature adjustment. The solar heat collector is connected with the high temperature accumulator and the low temperature accumulator to supply heat successively via electromagnetic valves and a solar energy conversion liquid pump; the heat pump is communicated with the high temperature accumulator in a single circulation manner; the heat pump is communicated with the low temperature accumulator in a single circulation manner; the high temperature accumulator and the low temperature accumulator are connected with the blower fan coil pipe successively via electromagnetic valves and the air-conditioning circulating pump; and the solar energy storage type cooling and heating air-conditioning apparatus is regulated by a controller. The structure design of the high temperature accumulator, the low temperature accumulator and a water source heat pump is effectively utilized, solar energy is comprehensively and fully utilized, stable low temperature low level heat energy is provided for the water source heat pump through the low temperature accumulator, energy efficiency ratio of the water source heat pump is effectively improved, and peak load shifting of electric power is achieved.
Description
Technical field
The present invention relates to solar energy and utilize technology, particularly based on the indoor temperature adjusting system of heliotechnics and heat pump techniques.
Background technology
Existing solar air adjusting device, due to very large by weather effect, by geographical, round the clock with the impact of regular change and the rain or shine sexual intercourse climate change such as season, in Jiangsu, Zhejiang, the East China such as Anhui can reach time of more than 50 DEG C heating demand, only account for annual 1/3, and its heat energy provide have discontinuity, periodically, the defect such as fluctuation is large, how to stablize, utilize solar energy to provide energy to become current problem demanding prompt solution for indoor temperature regulating device fully.
In addition, for many years in the development of heat pump series of products and system application technology, heat pump energy-saving and cost-reducing aspect in use, the raising of the water source heat pump units Energy Efficiency Ratio performance especially in heat pump, closely related with the height of water source temperature, such as: when water source temperature is lower than 5 DEG C, water resource heat pump can be shut down by starting protection, when water source temperature is at 5-10 DEG C, about the Energy Efficiency Ratio 1:3 of water resource heat pump, when water source temperature is more than 10 DEG C, the Energy Efficiency Ratio of water resource heat pump can reach about 4-5, when how to avoid heat pump to use, power consumption is too high, improve and use Energy Efficiency Ratio, give full play to the advantage of heat pump product, and fully, solar energy effectively in conjunction with this area becomes current major issue urgently to be resolved hurrily.
Especially, waste serious problem for China's current paddy electric resources, how to make full use of paddy electricity, for " peak load shifting " adds new skill, rational allocation use electric energy is also a new problem on the current energy uses.
Summary of the invention
For solving existing design Problems existing, the object of the present invention is to provide and a kind ofly round-the-clockly fully, effectively can utilize solar energy and realize water resource heat pump high energy efficiency ratio, the solar energy of peak load shifting can be realized go out and can manage it cold and warm air-conditioner:
This solar energy storage type cold/hot air-conditioning device comprises:
For the solar thermal collector of thermal-arrest;
For high temperature energy-storage device and the low temperature accumulator of energy storage;
For by low frequency position thermal power transfer being the heat pump of high frequency position heat energy;
For air-conditioning circulating pump and the fan coil of air conditioning;
Described solar thermal collector is connected heat supply with transducing liquid circulating pump with high temperature energy-storage device and low temperature accumulator respectively by the pipeline of magnetic valve; The evaporation circuit of described heat pump and high temperature energy-storage device, the condensing circuit of described heat pump is communicated with low temperature accumulator; Described high temperature energy-storage device is connected with fan coil with air-conditioning circulating pump by magnetic valve successively with low temperature accumulator; This solar energy storage type cold/hot air-conditioning device is by controller regulate and control operation.
Preferred version is: described solar thermal collector is flat-plate solar heat collector.
Preferred version is: described flat-plate solar heat collector is arranged in parallel radiator.
Preferred version is: described heat pump is water resource heat pump.
Preferred version is: described solar thermal collector delivery port arranges temperature sensor.
Solar energy storage type cold/hot air-conditioning device of the present invention is the combined system of solar thermal collector, high temperature energy-storage device, low temperature accumulator and water resource heat pump.When for thermal condition: when becoming a fine day, hot air conditioner energy is provided by solar thermal collector, unnecessary heat is transported to respectively in high temperature energy-storage device or low temperature accumulator according to the height of temperature and stores, run into overcast and rainy when causing solar energy not enough, the thermal release stored in high temperature energy-storage device out provides hot air conditioner energy, when running into continuous print rainy weather, although solar thermal collector does not reach more than 50 DEG C, but when still can reach more than 15 DEG C, this device still can effectively utilize the heat of solar thermal collector more than 15 DEG C to be stored in low temperature accumulator (to make the fine day time utilizable solar energy only having 1/3 the original whole year expand to the solar energy that can effectively utilize the whole year), and with water resource heat pump, the heat of low temperature accumulator (more than 15 DEG C) is heated to 50 DEG C to high temperature energy-storage device additional heat in the paddy electricity period, water resource heat pump is made to always work in optimum state, substantially increase Energy Efficiency Ratio, the requirement of hot air-conditioning heating is used during to meet overcast and rainy solar thermal collector energy shortage.And effectively avoid the difficult problem that the water source temperature of water resource heat pump is low lower than Energy Efficiency Ratio when 10 DEG C, power consumption is high, also effectively avoid when water source temperature is lower than a difficult problem for water resource heat pump meeting stoppage protection when 5 DEG C.When cooling operating mode, utilize the paddy in evening electricity to be stored in low temperature accumulator by the cold that water resource heat pump is obtained, when needing by day, the cold of low temperature accumulator is discharged, thus be conducive to the peak load shifting of electrical network, and greatly saved the energy and the electricity charge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
Embodiment 1:
As shown in Figure 1, a kind of solar energy storage type cold/hot air-conditioning device of the present invention, comprise the flat-plate solar heat collector 1 for thermal-arrest, for high temperature energy-storage device 7 and the low temperature accumulator 9 of energy storage, for by low frequency position thermal power transfer being the water resource heat pump 8 of high frequency position heat energy, with for the air-conditioning circulating pump 12 of air conditioning and fan coil 13, wherein, flat-plate solar heat collector 1 side is connected with high temperature energy-storage device 7 by the pipeline being provided with magnetic valve 5, be connected with low temperature accumulator 9 by the pipeline being provided with magnetic valve 6, flat-plate solar heat collector 1 opposite side be provided with transducing liquid circulating pump 4 respectively with high temperature energy-storage device 7 and low temperature accumulator 9 UNICOM, wherein, transducing liquid circulating pump 4 is a kind of solar water pumps,
Wherein, flat-plate solar heat collector 1 is arranged in parallel radiator 3, and radiator 3 intake chamber side is provided with magnetic valve 2; The delivery port of flat-plate solar heat collector 1 is provided with temperature sensor 15; By the regulation and control to magnetic valve 2, transducing liquid circulating pump 4 can be selected to be carried by flat-plate solar heat collector 1 by transducing liquid or carried by radiator 3.
The evaporation circuit of water resource heat pump 8 one end is communicated with high temperature energy-storage device 7, and the condensing circuit of water resource heat pump 8 is communicated with low temperature accumulator 9, and being achieved the low frequency position thermal power transfer in low temperature accumulator 9 by water resource heat pump 8 is high frequency position heat energy in high temperature energy-storage device 7.
High temperature energy-storage device 7 is connected with fan coil 13 with air-conditioning circulating pump 12 by magnetic valve 10 successively; Low temperature accumulator 9 is communicated with fan coil 13 with air-conditioning circulating pump 12 by magnetic valve 11 successively;
This solar energy storage type cold/hot air-conditioning device is by controller 14 regulate and control operation, and controller 14 is controlled by Controlling solenoid valve 2, transducing liquid circulating pump 4, magnetic valve 5, magnetic valve 6, water resource heat pump 8, magnetic valve 10, magnetic valve 11, air-conditioning circulating pump 12.
In the present embodiment, solar energy storage type cold/hot air-conditioning device is when running for thermal condition:
Run by controller 14 and control, open magnetic valve 10, shut electromagnetic valve 11, transmit heat energy to air-conditioning circulating pump 12 and fan coil 13 by high temperature energy-storage device 7:
According to weather condition, when the temperature that flat-plate solar heat collector 1 absorbs solar heat reaches more than 50 DEG C, now be sent to controller 14 by flat-plate solar heat collector 1 water side temperature sensor 15, magnetic valve 5 is opened in controller 14 regulation and control, magnetic valve 2, 6 close, start transducing liquid circulating pump 4, by the water after flat-plate solar heat collector 1 thermal-arrest, stored in heat delivery to high temperature accumulator 7 by the pipeline connected, when starting air-conditioning heat supply, heat is outputted to fan coil 13 by air-conditioning circulating pump 12 by the heat stored in high temperature energy-storage device 7, carry out indoor temperature adjustment, reach heat demand,
According to weather condition, when the temperature of the solar heat of flat-plate solar heat collector 1 absorption does not reach 50 DEG C, but when can reach more than 15 DEG C, magnetic valve 6, shut electromagnetic valve 2 and magnetic valve 5 are opened in controller 14 regulation and control, heat through flat-plate solar heat collector 1 is input in low temperature accumulator 9 by transducing liquid circulating pump 4 and stores (according to statistics, have the whole year flat-plate solar heat collector instant heating can be utilized to reach this temperature time of more than 95%, like this, substantially can reach can utilize solar energy the whole year):
Now, if desired air conditioning and heating, can start water resource heat pump 8, the low temperature heat energy in low temperature accumulator 9 to be converted in high temperature energy-storage device the high temperature heat in 7, and is transmitted by air-conditioning circulating pump 12 and fan coil 13 and carry out air conditioning;
Not good in weather conditions, when the temperature of the solar heat that flat-plate solar heat collector 1 absorbs does not reach 50 DEG C, in the paddy electricity period, i.e. non-electrical at night peak period, controller 14 is according to the heat storage condition in high temperature energy-storage device 7, start water resource heat pump 8 by low temperature accumulator more than 9(15 DEG C) heat bring up to 50 DEG C give high temperature energy-storage device 7 additional heat, when high temperature energy-storage device 7 heat is full of, water resource heat pump 8 out of service; In the peak electricity period, store heat energy according to weather conditions to high temperature energy-storage device 7 or low temperature accumulator 9, when needs heat supply, heat is outputted to fan coil 13 by air-conditioning circulating pump 12 by heat in high temperature energy-storage device 7 and discharges.
Supplying under thermal condition, by design of the present invention, effectively round-the-clockly utilize solar energy, especially make use of overcast and rainy solar energy, high temperature energy-storage device 7, the design of the system engineering of low temperature accumulator 9 and water resource heat pump 8, the high temperature energy-storage device 7 passed through, the ingenious utilization of low temperature accumulator 9, realize comprehensively, utilize fine day and overcast and rainy solar energy fully, and pass through the setting of low-temperature heat collection device 9, for water resource heat pump 8 provides the stable low temperature that temperature is not less than 10 DEG C, Lowlevel thermal energy, water resource heat pump 8 is made to always work in the highest optimum condition of Energy Efficiency Ratio, reduce the operation energy consumption of water resource heat pump 8, the steady supply for high temperature energy-storage device 7 heat energy during thermal condition can be realized again, simultaneously, the situation serious according to China's paddy electricity waste, effectively utilize paddy electricity, by water resource heat pump 8 low temperature heat energy in low temperature accumulator 9 is converted to the high temperature heat in high temperature energy-storage device 7, effectively realize the object of peak load shifting.
The solar energy storage type cold/hot air-conditioning device of the present embodiment, when cooling operating mode is run:
In the paddy electricity period, controller 14 regulates and controls, according to the cold in low temperature accumulator 9, automatic startup water resource heat pump 8, to the high temperature heat low temperature heat energy in low temperature accumulator 9 is converted in high temperature energy-storage device 7, pass through Conversion of Energy, increase the low temperature heat energy of low temperature accumulator 9, simultaneously water resource heat pump 8 give high temperature energy-storage device 7 constantly additional heat time, when high temperature energy-storage device 7 is full of heat, now regulated and controled by controller 14, shut electromagnetic valve 6, open magnetic valve 2 and magnetic valve 5, dispelled the heat by radiator 3, wherein, flat-plate solar heat collector 1 also achievement unit can divide heat sinking function, after opening magnetic valve 5, by running transducing liquid circulating pump 4, water through heat radiation is delivered to high temperature energy-storage device 7, make cannot reach stable temperature 50 C in high temperature energy-storage device 7, and constantly run water resource heat pump 8, there is provided low temperature heat energy constantly to low temperature accumulator 9, when low temperature accumulator 9 is full of, in addition controller stops water resource heat pump 8(automatically, and water resource heat pump 8 and flat-plate solar heat collector 1 do not run).In the peak electricity period, when needing cooling, cold is outputted to fan coil 13 by air-conditioning circulating pump 12 and discharges by the cold in low temperature accumulator 9.
By design of the present invention, under cooling operating mode, effectively utilize the structural design of high temperature energy-storage device 7, low temperature accumulator 9 and water resource heat pump 8, by the ingenious utilization of water resource heat pump 8, and arranged by the power conversion for high temperature heat collector 7 and low-temperature heat collection device 9, realize supplementing of low temperature, also achieve water resource heat pump 8 high energy efficiency ratio; Make full use of the radiation loss of flat-plate solar heat collector, realizing jointly dispel the heat with radiator 3 improves the effect of heat radiation with this, also consideration China power actual conditions condition under, effectively utilize peak-trough electricity, reach peak load shifting, also can reduce the object of using air-condition cost simultaneously.
The technological innovation feature of solar energy storage type cold/hot air-conditioning device of the present invention: this device is the combined system of solar thermal collector, high temperature energy-storage device, low temperature accumulator and water resource heat pump.When for thermal condition: when becoming a fine day, hot air conditioner energy is provided by solar thermal collector, unnecessary heat is transported to respectively in high temperature energy-storage device or low temperature accumulator according to the height of temperature and stores, run into overcast and rainy when causing solar energy not enough, the thermal release stored in high temperature energy-storage device out provides hot air conditioner energy, when running into continuous print rainy weather, although solar thermal collector does not reach more than 50 DEG C, but when still can reach more than 15 DEG C, this device still can effectively utilize the heat of solar thermal collector more than 15 DEG C to be stored in low temperature accumulator (to make the fine day time utilizable solar energy only having 1/3 the original whole year expand to the solar energy that can effectively utilize the whole year), and with water resource heat pump, the heat of low temperature accumulator (more than 15 DEG C) is heated to 50 DEG C to high temperature energy-storage device additional heat in the paddy electricity period, water resource heat pump is made to always work in optimum state, substantially increase Energy Efficiency Ratio, the requirement of hot air-conditioning heating is used during to meet overcast and rainy solar thermal collector energy shortage.And effectively avoid the difficult problem that the water source temperature of water resource heat pump is low lower than Energy Efficiency Ratio when 10 DEG C, power consumption is high, also effectively avoid when water source temperature is lower than a difficult problem for water resource heat pump meeting stoppage protection when 5 DEG C.When cooling operating mode, utilize the paddy in evening electricity to be stored in low temperature accumulator by the cold that water resource heat pump is obtained, when needing by day, the cold of low temperature accumulator is discharged, thus be conducive to the peak load shifting of electrical network, and greatly saved the energy and the electricity charge.
Above-described embodiment is only for illustration of technological thought of the present invention and feature; its object is to enable those skilled in the art understand the content of this patent and implement according to this; the protection domain of this patent only can not be limited with the present embodiment; namely the equal change done of all spirit disclosed according to this patent or modification, still fall into the protection domain of this patent.
Claims (5)
1. a solar energy storage type cold/hot air-conditioning device, is characterized in that:
This solar energy storage type cold/hot air-conditioning device comprises:
For the solar thermal collector (1) of thermal-arrest;
For high temperature energy-storage device (7) and the low temperature accumulator (9) of energy storage;
For by low frequency position thermal power transfer being the heat pump (8) of high frequency position heat energy;
For air-conditioning circulating pump (12) and the fan coil (13) of air conditioning;
Described solar thermal collector (1) is connected heat supply with transducing liquid circulating pump (4) with high temperature energy-storage device (7) and low temperature accumulator (9) respectively by the pipeline of magnetic valve; The evaporation circuit of described heat pump (8) and high temperature energy-storage device (7), the condensing circuit of described heat pump (8) is communicated with low temperature accumulator (9); Described high temperature energy-storage device (7) is connected with fan coil (13) with air-conditioning circulating pump (12) by magnetic valve successively with low temperature accumulator (9); This solar energy storage type cold/hot air-conditioning device is by controller (14) regulate and control operation.
2. solar energy storage type cold/hot air-conditioning device as claimed in claim 1, is characterized in that: described solar thermal collector (1) is flat-plate solar heat collector.
3. solar energy storage type cold/hot air-conditioning device as claimed in claim 2, is characterized in that: described flat-plate solar heat collector is arranged in parallel radiator (3).
4. the solar energy storage type cold/hot air-conditioning device as described in claim as arbitrary in claims 1 to 3, is characterized in that: described heat pump (8) is water resource heat pump.
5. solar energy storage type cold/hot air-conditioning device as claimed in claim 1, is characterized in that, described solar thermal collector (1) delivery port arranges temperature sensor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380485.6A CN104930630B (en) | 2015-07-02 | 2015-07-02 | A kind of solar energy storage type cold/hot air-conditioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510380485.6A CN104930630B (en) | 2015-07-02 | 2015-07-02 | A kind of solar energy storage type cold/hot air-conditioning device |
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| CN104930630A true CN104930630A (en) | 2015-09-23 |
| CN104930630B CN104930630B (en) | 2017-12-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57136051A (en) * | 1981-02-18 | 1982-08-21 | Matsushita Electric Ind Co Ltd | Solar heat collector |
| DE10118572A1 (en) * | 2001-04-06 | 2002-10-17 | Harry Jentzsch | Heating and hot water supply, for a building, uses solar energy to heat them with an energy store to hold energy during low demand and a heat pump to give heating when the energy from the sun is low |
| CN102635953A (en) * | 2012-04-27 | 2012-08-15 | 天普新能源科技有限公司 | Solar energy full-year collection and storage supply system |
| CN103216897A (en) * | 2013-04-22 | 2013-07-24 | 天津百思特环保能源开发有限公司 | Roof heat accumulating plate system |
| CN204923276U (en) * | 2015-07-02 | 2015-12-30 | 程孝龙 | Cold and hot air conditioner device of solar energy energy storage type |
-
2015
- 2015-07-02 CN CN201510380485.6A patent/CN104930630B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57136051A (en) * | 1981-02-18 | 1982-08-21 | Matsushita Electric Ind Co Ltd | Solar heat collector |
| DE10118572A1 (en) * | 2001-04-06 | 2002-10-17 | Harry Jentzsch | Heating and hot water supply, for a building, uses solar energy to heat them with an energy store to hold energy during low demand and a heat pump to give heating when the energy from the sun is low |
| CN102635953A (en) * | 2012-04-27 | 2012-08-15 | 天普新能源科技有限公司 | Solar energy full-year collection and storage supply system |
| CN103216897A (en) * | 2013-04-22 | 2013-07-24 | 天津百思特环保能源开发有限公司 | Roof heat accumulating plate system |
| CN204923276U (en) * | 2015-07-02 | 2015-12-30 | 程孝龙 | Cold and hot air conditioner device of solar energy energy storage type |
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| CN104930630B (en) | 2017-12-26 |
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