CN203258775U - Total heat recovery water cycle central air conditioning unit - Google Patents
Total heat recovery water cycle central air conditioning unit Download PDFInfo
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- CN203258775U CN203258775U CN2013202952255U CN201320295225U CN203258775U CN 203258775 U CN203258775 U CN 203258775U CN 2013202952255 U CN2013202952255 U CN 2013202952255U CN 201320295225 U CN201320295225 U CN 201320295225U CN 203258775 U CN203258775 U CN 203258775U
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- heat exchanger
- check valve
- water
- heat
- central air
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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Abstract
The utility model provides a total heat recovery water cycle central air conditioning unit which comprises a refrigerant loop and a first water cycle loop. The refrigerant loop comprises a compressor, a first heat exchanger, a first check valve, a liquid storage pot, a filter, a second check valve, a first expansion valve, a second heat exchanger and a gas-liquid separator, wherein the compressor, the first heat exchanger, the first check valve, the liquid storage pot, the filter, the second check valve, the first expansion valve, the second heat exchanger and the gas-liquid separator are connected in sequence, an outlet of the gas-liquid separator is connected with an inlet of the compressor, and the second heat exchanger is a water-cooled heat exchanger. The first water cycle loop comprises a first water pump, a fifth heat exchanger and the second heat exchanger, wherein the first water pump, the fifth heat exchanger and the second heat exchanger are connected in series to form the loop. The total heat recovery water cycle central air conditioning unit is provided with the independent first water cycle loop to conduct heat transmission, can remotely transmit heat or cold quantity, greatly reduces usage amount of refrigerant, reduces refrigerant pipeline equipment, and reduces production and installation cost.
Description
Technical field
The utility model relates to the industrial refrigeration field, relates in particular to a kind of air-conditioning.
Background technology
Existing air-conditioning uses expensive refrigerant as the medium that transmits cold and heat more, and transmits in the Large Central Air Conditioning System equipment of cold or heat in the long distance of needs, and traditional central air-conditioning needs a large amount of refrigerants, and this has increased production cost undoubtedly.Also increase the possibility of secondary refrigerant leakage, improved the expense of pipeline maintenance and attendant's technical merit demand.In addition, in the existing central air-conditioning, in order to reduce the complexity of pipeline, the refrigeration of refrigerant or to heat pipeline basically identical, because to heat middle aperture different, this just affects Systems balanth to the equipment such as expansion valve, needs professional's debugging when changing according to the season in refrigeration.
In view of this, must propose as early as possible a kind of reducing production costs, and reduce as far as possible the central air-conditioning of maintenance cost.
The utility model content
The purpose of this utility model provides a kind of full heat recovery water circulation central air conditioner group, solves in the above-mentioned prior art problem one or more.
The utility model provides a kind of full heat recovery water circulation central air conditioner group, comprises refrigerant loop and the first water-flow circuit; The refrigerant loop comprises compressor, First Heat Exchanger, the first check valve, fluid reservoir, filter, the second check valve, the first expansion valve, the second heat exchanger and the gas-liquid separator that connects in turn, and the outlet of gas-liquid separator connects the import of compressor; The second heat exchanger is water-cooled heat exchanger; The first water-flow circuit comprises that serial connection forms the first water pump, the 5th heat exchanger and second heat exchanger of closed-loop path.
The full heat recovery water circulation central air conditioner group that the utility model provides has independently that the first water-flow circuit conducts heat, and can carry out remote transferring heat or cold; Refrigerant loop and the first water-flow circuit share water-cooled the second heat exchanger, with the heat transferred water of refrigerant, be passed to the place that needs through the first water-flow circuit again, greatly reduce the use amount of refrigerant, reduce the equipment of refrigerant pipe, reduced production and installation cost.
In some embodiments, the 5th heat exchanger has a plurality of, goes into the closed-loop path with the second heat exchanger, the series connection of the first water pump again after a plurality of the 5th heat exchanger parallel connections.The setting of a plurality of the 5th heat exchangers meets the needs of the needs large tracts of land heating and coolings such as In Public Places of Hotels; In addition, the setting of a plurality of the 5th heat exchanger parallel connections is taken the circumstances into consideration to add or reduce the number of the 5th heat exchanger and is not affected whole system.
In some embodiments, be connected with the 5th check valve between the first water pump and the second heat exchanger.The first water-flow circuit is set to single-pass, has improved the stability of the first water-flow circuit.
In some embodiments, the first water-flow circuit also comprises water supply tank, and the water supply tank delivery port connects the pipeline between the first water pump and the 5th heat exchanger.The function of replenishing inner loop water or displacement inner loop water is provided.
In some embodiments, the utility model also comprises four-way change-over valve, the 3rd check valve, the 4th check valve and the second expansion valve, and the outlet of compressor is connected import by four-way change-over valve connection First Heat Exchanger and the second heat exchanger with gas-liquid separator.The import of the 3rd check valve connects the pipeline between the second heat exchanger and the first expansion valve, the outlet of the 3rd check valve connects the pipeline between fluid reservoir and the first check valve, the outlet of the 4th check valve connects the import of the second expansion valve, the import of the 4th check valve connects the pipeline between filter and the second check valve, and the outlet of the second expansion valve connects the pipeline between First Heat Exchanger and the first check valve.Switch the refrigerant flow divert by four-way change-over valve, realized heating winter, summer, refrigeration made things convenient for people's application.And by a plurality of check valves, will freeze and heat branch road and separate, and have expansion valve respectively, so that work of the present utility model is not subjected to the impact of the cold and hot variation of expansion valve valve opening.
Description of drawings
The structural representation of the full heat recovery water circulation central air conditioner group of the first embodiment that Fig. 1 provides for the utility model;
The structural representation of the full heat recovery water circulation central air conditioner group of the second embodiment that Fig. 2 provides for the utility model;
The structural representation of the first water-flow circuit of a kind of full heat recovery water circulation central air conditioner group that Fig. 3 provides for the utility model;
The second water-flow circuit structural representation of a kind of full heat recovery water circulation central air conditioner group that Fig. 4 provides for the utility model.
The specific embodiment
As shown in Figure 1, the utility model provides a kind of full heat recovery water circulation central air conditioner group, comprises the refrigerant loop.
The refrigerant loop comprises compressor 1, four-way change-over valve 3, First Heat Exchanger 4, the second heat exchanger 13, gas-liquid separator 14, branch road and heat branch road freezes; Gas-liquid separator 14 outlets connect compressor 1 import, and compressor 1 outlet is connected import by four-way change-over valve 3 connection First Heat Exchanger 4 and the second heat exchangers 13 with gas-liquid separator.
Refrigeration branch road one end connects First Heat Exchanger 4, and the other end connects the second heat exchanger 13, and the refrigeration branch road is connected with the first check valve 6, fluid reservoir 8, filter 9, the second check valve 10 and the first expansion valve 11 in turn from First Heat Exchanger 4 to second heat exchangers 13.
Heat branch road one end and connect First Heat Exchanger 4, the other end connects the second heat exchanger 13, heats branch road and is connected with in turn the 3rd check valve 12, fluid reservoir 8, filter 9, the 4th check valve 7 and the second expansion valve 5 from the second heat exchanger 13 to First Heat Exchanger 4.
The refrigeration branch road that this enforcement is adopted shares fluid reservoir 8 and filter 9 with heating branch road, should be pointed out that the refrigeration branch road and heats branch road and also can use alone separately fluid reservoir and filter.
Fluid reservoir 8 imports connect the first check valve 6 and the 3rd check valve 12 by three-way pipe, and fluid reservoir 8 outlets connect filter 9 imports, and filter 9 outlets connect the second check valve 10 and the 4th check valve 7 by three-way pipe.
First Heat Exchanger 4 is air-cooled heat exchanger, and four-way change-over valve 3 is the electromagnetic type four-way change-over valve.First Heat Exchanger 4 is outdoor heat exchanger, and the second heat exchanger 13 is indoor heat exchanger.
During refrigeration, under the effect of four-way change-over valve 3, the compressed machine of refrigerant 1 outlet stream enters First Heat Exchanger 4 through four-way change-over valve 3, and the blower fan by First Heat Exchanger 4 takes heat to outdoor; Enter fluid reservoir 8 through the first check valve 6 again, keep the balance of system at fluid reservoir 8 interior adjust fluxes; Enter the first expansion valve 11 through filter 9, the second check valve 10 again, the cryogenic gas that produces after the 13 interior heat exchanges of the second heat exchanger, is entered gas-liquid separator 14 by four-way change-over valve 3, get back to compressor 1 inside by gaseous state more at last.
When heating, under the effect of four-way change-over valve 3, compressed machine 1 outlet of refrigerant enters the second heat exchanger 13 through four-way change-over valve 3, after the heat exchange, successively through the 3rd check valve 12, fluid reservoir 8, filter 9, the 4th check valve 7, the second expansion valve 5, First Heat Exchanger 4, get back to gas-liquid separator 14 through four-way change-over valve 3 more at last, get back to compressor 1 inside by gaseous state.Principle is opposite with when refrigeration, repeats no more herein.
As shown in Figure 3, the second heat exchanger 13 is water-cooled heat exchanger, the utility model also comprises the first water-flow circuit, the first water-flow circuit comprises the second heat exchanger 13, the first water pump 131 and the 5th heat exchanger 132 of serial connection, namely, the heat exchange agent discrepancy of the second heat exchanger 13 or entrance connect in turn the first water pump 131 and the 5th heat exchanger 132, the five heat exchangers 132 connect heat exchange agent outlet or the entrance that the second heat exchanger 13 is not connected with the first water pump 131.
The number of the 5th heat exchanger 132 is a plurality of, and present embodiment is take 3 as example.Connect with the second heat exchanger 13, the first water pump 131 again after 132 parallel connections of 3 the 5th heat exchangers and form the first water-flow circuit.
In addition, be connected with the 5th check valve 133 between the first water pump 131 and the second heat exchanger 13.
Present embodiment also comprises water supply tank 134, and the delivery port of water supply tank 134 connects on the pipeline between the first water pump 131 and the 5th heat exchanger 132.
Heat exchange agent in the 5th heat exchanger 132 can be water, current provide pressure by the first water pump 131, second heat exchanger 13 of flowing through, after the second heat exchanger 13 interior mobile refrigerant sufficient heat exchange, bring cold or heat into the 5th heat exchanger 132, the 5th heat exchanger 132 is for to be satisfied with indoor air cooling heat exchanger, and is by blower fan that cold or heat band is indoor, passes back into the first water pump 131 again.The first water pump 131 and the second heat exchanger 13 are provided with the 5th check valve 133, improve the stability of device.Be connected with the water inlet of water supply tank 134 on the pipeline between the first water pump 131 and the 5th heat exchanger 132, the function of replenishing inner loop water or displacement inner loop water is provided.
In addition, the second heat exchanger 13 also can be air-cooled heat exchanger, and direct and room air carries out heat exchange.
Such as Fig. 2, shown in 4, the 3rd heat exchanger 2 is water-cooled heat exchanger, and be located between compressor 1 and the four-way change-over valve 3, the utility model also comprises the second water-flow circuit, the second water-flow circuit comprises that serial connection forms the 3rd heat exchanger 2 of closed-loop path, water tank 15 and the second water pump 16, namely, the 3rd heat exchanger 2 is provided with the first water inlet 21 and the first delivery port 22, water tank 15 is provided with the second water inlet 151 and the second delivery port 152, the first water inlet 21 connects the second delivery port 152, the first delivery port 22 connects the second water inlet 151, the second water pumps 16 and is connected between the first water inlet 21 and the second delivery port 152 or is connected on the pipeline between the first delivery port 22 and the second water inlet 151.
The 3rd heat exchanger 2, water tank 15, the second water pump 16 are connected into the loop, provide pressure that internal water is formed the loop between the 3rd heat exchanger 2 and water tank 15 by the second water pump 16.In the situation of air conditioner refrigerating, start the first water pump 131 or blower fan of the second water pump 16 and the second heat exchanger 13, can in refrigeration, reclaim heat, also alleviated the load of First Heat Exchanger 4 simultaneously.In the situation of air-conditioning heating, capable of producing hot water preferential, the hot water temperature closes the second water pump 16 after arriving, and opens the first water pump 131 or blower fan of the second heat exchanger 13; Also can indoor heating preferential, open first the first water pump 131 or blower fan of the second heat exchanger 13, indoor temperature is opened the second water pump 16 after arriving the temperature that needs again.
The utility model can be regulated by flush bonding processor the duty of the condensation fan of the first water pump 131 of the second heat exchanger 13 or blower fan, the second water pump 16 and the second heat exchanger 4, realization heats, freezes, freezes+hot water, heats+hot water and independent heating water, realized the function of a tractor serves several purposes.
The above only is optimal way of the present utility model; should be pointed out that to those skilled in the art, under the prerequisite that does not break away from the utility model creation design; can also make some similar distortion and improvement, these also should be considered as within the protection domain of the present utility model.
Claims (5)
1. full heat recovery water circulation central air conditioner group is characterized in that, comprises refrigerant loop and the first water-flow circuit; Described refrigerant loop comprises compressor (1), First Heat Exchanger (4), the first check valve (6), fluid reservoir (8), filter (9), the second check valve (10), the first expansion valve (11), the second heat exchanger (13) and the gas-liquid separator (14) that connects in turn, and the outlet of described gas-liquid separator (14) connects the import of described compressor (1); Described the second heat exchanger (13) is water-cooled heat exchanger; Described the first water-flow circuit comprises that serial connection forms the first water pump (131), the 5th heat exchanger (132) and described second heat exchanger (13) of closed-loop path.
2. full heat recovery water circulation central air conditioner group according to claim 1, it is characterized in that, described the 5th heat exchanger (132) has a plurality of, goes into the closed-loop path with described the second heat exchanger (13), the first water pump (131) series connection again after a plurality of the 5th heat exchangers (132) parallel connection.
3. full heat recovery water circulation central air conditioner group according to claim 1 and 2 is characterized in that, is connected with the 5th check valve (133) between described the first water pump (131) and described the second heat exchanger (13).
4. full heat recovery water circulation central air conditioner group according to claim 1 and 2, it is characterized in that, described the first water-flow circuit also comprises water supply tank (134), and described water supply tank (134) delivery port connects the pipeline between described the first water pump (131) and the 5th heat exchanger (132).
5. full heat recovery water circulation central air conditioner group according to claim 1 and 2 is characterized in that, also comprises four-way change-over valve (3), the 3rd check valve (12), the 4th check valve (7) and the second expansion valve (5); The outlet of described compressor (1) is connected 14 with gas-liquid separator) import connect described First Heat Exchanger (4) and the second heat exchanger (13) by described four-way change-over valve (3); The import of described the 3rd check valve (12) connects the pipeline between described the second heat exchanger (13) and the first expansion valve (11); The outlet of described the 3rd check valve (12) connects the pipeline between described fluid reservoir (8) and the first check valve (6), the outlet of described the 4th check valve (7) connects the import of described the second expansion valve (5), the import of described the 4th check valve (7) connects the pipeline between described filter (9) and the second check valve (10), and the outlet of described the second expansion valve (5) connects the pipeline between described First Heat Exchanger (4) and the first check valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202952255U CN203258775U (en) | 2013-05-24 | 2013-05-24 | Total heat recovery water cycle central air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202952255U CN203258775U (en) | 2013-05-24 | 2013-05-24 | Total heat recovery water cycle central air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN203258775U true CN203258775U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202952255U Expired - Fee Related CN203258775U (en) | 2013-05-24 | 2013-05-24 | Total heat recovery water cycle central air conditioning unit |
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| Country | Link |
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| CN (1) | CN203258775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245041A (en) * | 2013-05-24 | 2013-08-14 | 江苏西格玛电器有限公司 | Total heat recovery water circulation central air-conditioning unit |
-
2013
- 2013-05-24 CN CN2013202952255U patent/CN203258775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245041A (en) * | 2013-05-24 | 2013-08-14 | 江苏西格玛电器有限公司 | Total heat recovery water circulation central air-conditioning unit |
| CN103245041B (en) * | 2013-05-24 | 2016-09-28 | 江苏西格玛电器有限公司 | Total heat recovery water circulation Central air-conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20190524 |