CN201396893Y - Ground source heat pump anti icer - Google Patents
Ground source heat pump anti icer Download PDFInfo
- Publication number
- CN201396893Y CN201396893Y CN2009201359622U CN200920135962U CN201396893Y CN 201396893 Y CN201396893 Y CN 201396893Y CN 2009201359622 U CN2009201359622 U CN 2009201359622U CN 200920135962 U CN200920135962 U CN 200920135962U CN 201396893 Y CN201396893 Y CN 201396893Y
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- heat pump
- source heat
- cooling water
- chilled water
- earth source
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Abstract
The utility model provides a ground source heat pump anti icer, which comprises a ground source heat pump, a cooling water circulating component and a freeing water circulating component, wherein thecooling water circulating component and the freeing water circulating component are respectively connected with the ground source heat pump. The ground source heat pump anti icer further comprises a first, a second, a third and a fourth temperature sensing devices and a heating device. A central controller which emits anti-freezing sensing signals to the cooling water circulating component and thefreeing water circulating component according to setting temperature is arranged on the ground source heat pump, and the central controller is respectively electrically connected with the first, thesecond, the third and the fourth temperature sensing devices. Compared with the prior art, the ground source heat pump anti icer can save the anti-freezing cost of the ground source heat pump pipelines under the condition without changing the internal structure and the refrigerating cycle system of an air conditioner after adopting the technical proposal, does not add antifreezing fluid, and avoids pollution to natural environment.
Description
Technical field
The utility model belongs to the air-conditioning equipment field, relates in particular to a kind of earth source heat pump defroster.
Background technology
Along with the quickening of China's modernization construction paces, the raising of people's environmental consciousness, heat pump techniques is adopted in constructure heating and air-conditioning in a large number.Earth source heat pump is to utilize refrigeration principle that heat is passed to a kind of heating of high-temperature medium and the equipment of refrigeration from low-temperature heat source.At present during the heating condition operation, ground heat exchanger circulation fluid temperature may be lower than 0 ℃ to the earth source heat pump defroster, solidifies in order to prevent that circulation fluid from producing, and adds a certain amount of antifreezing agent usually and form anti-icing fluid in circulation fluid in the winter time.But because physical parameter such as density, viscosity, specific heat and the thermal conductivity factor of anti-icing fluid and pure water all have certain difference, this will influence the heat exchange effect of circulation fluid in condenser (cooling condition) and evaporimeter (heating condition), thereby influence the performance of whole source pump.
The operating temperature range of common geothermal heat exchanger circulatory mediator is-10 ℃～60 ℃, and the anti-icing fluid that therefore is suitable for earth-source hot-pump system mainly contains the aqueous solution of organic compounds such as saline solution such as sodium chloride, calcium chloride and ethylene glycol, propane diols.When selecting salts such as sodium chloride, calcium chloride or ethylene glycol for use as anti-icing fluid, the circulation fluid convection transfer rate all reduces along with the increase of anti-icing fluid concentration, and along with the increase of anti-icing fluid concentration, the expense of water circulating pump wasted work rate and antifreezing agent is all wanted corresponding raising.And under the situation that air exists, salting liquid has very strong corrosivity to most metal.Therefore when geothermal heat pump air-conditioner adopts antifreezing agent to the initial cost of system and running cost and natural environment with having caused tremendous influence and potential safety hazard.
The utility model content
Technical problem to be solved in the utility model is, a kind of earth source heat pump defroster is provided, and can save the cost of earth source heat pump freezing prevention tubing and avoid polluting natural environment.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of earth source heat pump defroster, comprise earth source heat pump, cooling water recirculation assembly and chilled water recirculation assembly, described cooling water recirculation assembly is connected with earth source heat pump respectively with the chilled water recirculation assembly.Described earth source heat pump defroster also comprises and is arranged at the first outdoor temperature sensing device and is arranged at the second indoor temperature sensing device, described cooling water recirculation assembly is provided with the 3rd temperature sensing device that detects cooling water temperature, the heater that described chilled water recirculation assembly is provided with the 4th temperature sensing device that detects chilled water temperature and heats for chilled water, described earth source heat pump is provided with according to design temperature and sends the central controller of antifreeze induced signal to described cooling water recirculation assembly and chilled water recirculation assembly, and described central controller is respectively with described first, second, the 3rd, the 4th temperature sensing device electrically connects.
After the first, the 3rd temperature sensing device detects outdoor temperature and cooling water temperature and is lower than design temperature, central controller sends antifreeze induced signal to the cooling water recirculation assembly, the cooling water recirculation assembly raises cooling water temperature to the underground heat-obtaining, prevents that cooling water pipeline is freezing; After the second, the 4th temperature sensing device detects indoor temperature and chilled water temperature and is lower than design temperature, central controller sends antifreeze induced signal to the chilled water recirculation assembly, heater heats to chilled water, and chilled water temperature is raise, and prevents that the chilled water pipeline is freezing.Therefore, compared with prior art, after the employing the technical program, the earth source heat pump defroster is not changed under the situation of air-conditioning internal structure and cooling cycle system, saved earth source heat pump freezing prevention tubing cost, and do not added anti-icing fluid, avoided pollution natural environment.
Description of drawings
Fig. 1 is a kind of earth source heat pump defroster principle schematic that the utility model embodiment provides.
The specific embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, the utility model embodiment provides a kind of earth source heat pump defroster, comprises earth source heat pump 1, cooling water recirculation assembly 2 and chilled water recirculation assembly 3, and cooling water recirculation assembly 2 is connected with earth source heat pump 1 respectively with chilled water recirculation assembly 3.
Wherein, above-mentioned cooling water recirculation assembly 2 comprise cooling water pump 21, cooling water main 22, pipe laying 23 and cooling water backwater main 24.Cooling water main 22 and cooling water backwater main 24 extend from outdoor 102 from machine room 101 respectively, and this cooling water backwater main 24 is connected with cooling water pump 21, ground pipe laying 23 is arranged in the outdoor deep soil, and be connected with cooling water backwater main 23 with cooling water main 22 respectively, and cooling water main 22 is connected with earth source heat pump 1 respectively with cooling water pump 21.
Earth source heat pump 1 is arranged in the machine room 101, during earth source heat pump 1 operation, cooling water is under the promotion of cooling water pump 21, be delivered to ground pipe laying 23 by cooling water main 22 and carry out heat exchange with deep soil, absorb the heat of deep soil, cooling water temperature raises, and is delivered to earth source heat pump 1 through cooling water backwater main 24, cooling water pump 21 and carries out heat exchange, and temperature reduces and the next round cycle heat exchange.
Above-mentioned chilled water recirculation assembly 3 comprises chilled water pump 31, chilled water water main 32, motor-driven valve 33 and chilled water backwater main 34.Chilled water water main 32 and chilled water backwater main 34 extend to indoor 103 from machine room 101, one heater 35 is connected with chilled water pump 31, and all be arranged on the chilled water backwater main 32, motor-driven valve 33 is positioned at the least significant end of chilled water water main 32 and chilled water backwater main 34, and be connected with chilled water backwater main 34 with chilled water water main 32 respectively, and chilled water water main 32 is connected with earth source heat pump 1 respectively with heater 35.Be connected with differential-pressure bypass valve 36 between chilled water water main 32 and the chilled water backwater main 34, when pipeline pressure reduction is excessive, open differential-pressure bypass valve 36, to reduce pressure.
After motor-driven valve 33 cuts out, chilled water is under the drive of chilled water pump 31, through chilled water water main 32,103 fan coil in the inlet chamber, carry out heat exchange with indoor rooms 103, temperature reduces, and by chilled water return main 34, chilled water pump 31 flows back to earth source heat pump 1, after earth source heat pump 1 heat exchange, enter the next round cycle heat exchange by electric heat exchanger 35.
This earth source heat pump defroster also comprises first temperature sensing device 41 that is arranged at outdoor 102 and second temperature sensing device 42 that is arranged at indoor 103, cooling water recirculation assembly 2 is provided with the 3rd temperature sensing device 43 that detects cooling water temperature, the above-mentioned heater 35 that chilled water recirculation assembly 3 is provided with the 4th temperature sensing device 44 that detects chilled water temperature and heats for chilled water, earth source heat pump 1 is provided with according to design temperature and sends out 3 central controllers 11 that go out antifreeze induced signal to cooling water recirculation assembly 2 and chilled water recirculation assembly, and central controller 11 is respectively with first, second, the 3rd, the 4th temperature sensing device 41,42,43,44 electrically connect.
When first, the 3rd temperature sensing device 41,43 detect outdoor 102 temperature and cooling water temperature be lower than design temperature after, central controller 11 sends antifreeze induced signal by automatic control program to cooling water recirculation assembly 2, earth source heat pump 1 is out of service, start cooling water pump 21 in the cooling water recirculation assembly 2, ground pipe laying 23 is to the underground heat-obtaining, cooling water temperature is raise, after supply water temperature reaches preset temperature, cooling water pump 21 stops automatically, thereby guaranteed that no matter cooling water is not in working order or not in working order at earth source heat pump 1 pipeline, the phenomenon of freezing can not occur.
Local source heat pump 1 is out of service, when second, the 4th temperature sensing device 42,44 detect indoor 103 temperature and chilled water temperature be lower than design temperature after, central controller 11 sends antifreeze induced signal by automatic control program to chilled water recirculation assembly 3, opening electric heater 35 and motor-driven valve 33, chilled water is behind process electric heater 35 heat temperature raisings, under the drive of chilled water water pump 31, through chilled water water main 32, motor-driven valve 33, and by chilled water backwater main 34, chilled water water pump 31, flow back to earth source heat pump 1, flow into by electric heat exchanger 35 again and enter the next round circulation.By constantly heat absorption from electric heater 5, the temperature that promotes the chilled water circulatory mediator is to preset temperature, and chilled water water pump 31 is out of service, thereby has guaranteed chilled water when earth source heat pump 1 quits work, and the phenomenon of freezing can not occur.
Wherein, above-mentioned the 3rd temperature sensing device 43 and the 4th temperature sensing device 44 are arranged at the outside of cooling water main 22 and chilled water backwater main 34 respectively, to detect the temperature of cooling water in the pipeline or chilled water respectively.
In the present embodiment, for above-mentioned design temperature, air-conditioning system is under severe cold season, and the 3rd temperature sensing device 43 induction cooling water temperatures are lower than 2 ℃ and outer 102 temperature of first temperature sensing device, 41 nernst cells and are lower than 0 ℃; The 4th temperature sensing device 44 induction chilled water temperatures are lower than that 103 temperature are lower than 0 ℃ in 2 ℃ and second temperature sensing device, 42 nernst cells.
Above-mentioned first, second, third, fourth temperature sensing device 41,42,43,44 can be temperature-sensing probe, also can be other temperature sensing devices, as long as can detected temperatures, all within protection domain of the present utility model.
Therefore, compared with prior art, after the employing the technical program, the earth source heat pump defroster is not changed under the situation of air-conditioning internal structure and cooling cycle system, saved earth source heat pump freezing prevention tubing cost, and do not added anti-icing fluid, avoided pollution natural environment.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1, a kind of earth source heat pump defroster, comprise earth source heat pump, cooling water recirculation assembly and chilled water recirculation assembly, described cooling water recirculation assembly is connected with earth source heat pump respectively with the chilled water recirculation assembly, it is characterized in that: described earth source heat pump defroster also comprises and is arranged at the first outdoor temperature sensing device and is arranged at the second indoor temperature sensing device, described cooling water recirculation assembly is provided with the 3rd temperature sensing device that detects cooling water temperature, the heater that described chilled water recirculation assembly is provided with the 4th temperature sensing device that detects chilled water temperature and heats for chilled water, described earth source heat pump is provided with according to design temperature and sends the central controller of antifreeze induced signal to described cooling water recirculation assembly and chilled water recirculation assembly, and described central controller is respectively with described first, second, the 3rd, the 4th temperature sensing device electrically connects.
2, earth source heat pump defroster as claimed in claim 1, it is characterized in that: described cooling water recirculation assembly comprise cooling water pump, cooling water main, pipe laying and cooling water backwater main, described cooling water backwater main is connected with cooling water pump, described ground pipe laying is connected with cooling water backwater main with described cooling water main respectively, and described cooling water main is connected with described earth source heat pump respectively with cooling water pump.
3, earth source heat pump defroster as claimed in claim 2, it is characterized in that: described the 3rd temperature sensing device is arranged at the outside of described cooling water main.
4, earth source heat pump defroster as claimed in claim 1, it is characterized in that: described chilled water recirculation assembly comprises chilled water pump, chilled water water main, motor-driven valve and chilled water backwater main, described heater is connected with chilled water pump, and be arranged on the described chilled water backwater main, described motor-driven valve is connected with the end of described chilled water water main with chilled water backwater main respectively, and described chilled water water main is connected with described earth source heat pump respectively with heater.
5, earth source heat pump defroster as claimed in claim 4 is characterized in that: be connected with differential-pressure bypass valve between described chilled water water main and the chilled water backwater main.
6, earth source heat pump defroster as claimed in claim 4 is characterized in that: described the 4th temperature sensing device is arranged at the outside of described chilled water backwater main.
7, as each described earth source heat pump defroster of claim 1-6, it is characterized in that: described first, second, third, fourth temperature sensing device is temperature-sensing probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201359622U CN201396893Y (en) | 2009-03-26 | 2009-03-26 | Ground source heat pump anti icer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201359622U CN201396893Y (en) | 2009-03-26 | 2009-03-26 | Ground source heat pump anti icer |
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| CN201396893Y true CN201396893Y (en) | 2010-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201359622U Expired - Lifetime CN201396893Y (en) | 2009-03-26 | 2009-03-26 | Ground source heat pump anti icer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322640A (en) * | 2012-03-19 | 2013-09-25 | 北京海林节能设备股份有限公司 | Air-conditioner energy saving control method, air-conditioner energy saving control system and air-conditioner switching system of comprehensive energy-saving building |
| CN104101081A (en) * | 2014-07-25 | 2014-10-15 | 中国十九冶集团有限公司 | Cooling water anti-freezing device and anti-freezing method for construction equipment in cold environment |
| CN106500375A (en) * | 2015-12-30 | 2017-03-15 | 安徽金联地矿科技有限公司 | A kind of subterranean strata pipe-line equipment |
| CN106958698A (en) * | 2017-05-10 | 2017-07-18 | 安徽新富地能源科技有限公司 | A kind of perpendicularly buried pipe for buried guard system returns plain adapter |
| WO2018099108A1 (en) * | 2016-11-29 | 2018-06-07 | 重庆美的通用制冷设备有限公司 | Air conditioner and pipeline antifreeze control method and apparatus therefor |
| CN109073257A (en) * | 2016-04-07 | 2018-12-21 | 开利公司 | Air-cooled refrigerator liquid circulation external member |
| CN114963443A (en) * | 2022-05-05 | 2022-08-30 | 漳州科华电气技术有限公司 | Method for controlling freezing prevention of water contact system of air conditioning unit and storage medium |
-
2009
- 2009-03-26 CN CN2009201359622U patent/CN201396893Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103322640B (en) * | 2012-03-19 | 2017-06-30 | 北京海林节能科技股份有限公司 | Air conditioner energy saving control method, system and air-conditioning switching system that synthesis energy saving is built |
| CN103322640A (en) * | 2012-03-19 | 2013-09-25 | 北京海林节能设备股份有限公司 | Air-conditioner energy saving control method, air-conditioner energy saving control system and air-conditioner switching system of comprehensive energy-saving building |
| CN104101081A (en) * | 2014-07-25 | 2014-10-15 | 中国十九冶集团有限公司 | Cooling water anti-freezing device and anti-freezing method for construction equipment in cold environment |
| CN104101081B (en) * | 2014-07-25 | 2017-04-05 | 中国十九冶集团有限公司 | Cooling water anti-freezing device and anti-freezing method for construction equipment in cold environment |
| CN106500375A (en) * | 2015-12-30 | 2017-03-15 | 安徽金联地矿科技有限公司 | A kind of subterranean strata pipe-line equipment |
| US11674710B2 (en) | 2016-04-07 | 2023-06-13 | Carrier Corporation | Air cooled chiller hydronic kit |
| CN109073257B (en) * | 2016-04-07 | 2024-02-02 | 开利公司 | Air-cooled refrigerator liquid circulation external member |
| CN109073257A (en) * | 2016-04-07 | 2018-12-21 | 开利公司 | Air-cooled refrigerator liquid circulation external member |
| US11262096B2 (en) | 2016-04-07 | 2022-03-01 | Carrier Corporation | Air cooled chiller hydronic kit |
| WO2018099108A1 (en) * | 2016-11-29 | 2018-06-07 | 重庆美的通用制冷设备有限公司 | Air conditioner and pipeline antifreeze control method and apparatus therefor |
| CN106958698A (en) * | 2017-05-10 | 2017-07-18 | 安徽新富地能源科技有限公司 | A kind of perpendicularly buried pipe for buried guard system returns plain adapter |
| CN114963443A (en) * | 2022-05-05 | 2022-08-30 | 漳州科华电气技术有限公司 | Method for controlling freezing prevention of water contact system of air conditioning unit and storage medium |
| CN114963443B (en) * | 2022-05-05 | 2023-09-29 | 漳州科华电气技术有限公司 | Method and storage medium for freezing prevention control of water system of air conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Zhuanghe Heat Pump Air-conditioning Co., Ltd. Assignor: Chao Minqiang Contract record no.: 2010440020245 Denomination of utility model: Ground source heat pump anti icer Granted publication date: 20100203 License type: Exclusive License Record date: 20101230 |
|
| EM01 | Change of recordation of patent licensing contract |
Change date: 20130417 Contract record no.: 2010440020245 Assignee after: SHENZHEN J&H INTELLIGENT ENERGY TECHNOLOGY CO., LTD. Assignee before: Shenzhen Zhuanghe Heat Pump Air-conditioning Co., Ltd. |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
|
| CX01 | Expiry of patent term |