CN202648270U - Anti-freeze low temperature heat pump air conditioning heat exchange system - Google Patents
Anti-freeze low temperature heat pump air conditioning heat exchange system Download PDFInfo
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- CN202648270U CN202648270U CN 201220277231 CN201220277231U CN202648270U CN 202648270 U CN202648270 U CN 202648270U CN 201220277231 CN201220277231 CN 201220277231 CN 201220277231 U CN201220277231 U CN 201220277231U CN 202648270 U CN202648270 U CN 202648270U
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Abstract
The utility model relates to an anti-freeze low temperature heat pump air conditioning heat exchange system. The anti-freeze low temperature heat pump air conditioning heat exchange system comprises a compressor, a four-way valve, a plate-type heat exchanger, a gas-liquid separator, a finned heat exchanger, a first throttling gear, a second throttling gear, a first one-way valve, a second one-way valve, a liquid storage can, a filter and an anti-ice-dilatation tube. Two tube openings of the four-way valve are respectively connected with the compressor and the plate-type heat exchanger, and the other two tube openings are respectively connected with the gas-liquid separator and the finned heat exchanger. The gas-liquid separator is connected with the compressor. A heat pump subway and a defrosting subway are connected between the plate-type heat exchanger and the finned heat exchanger. The first one-way valve, the liquid storage can, the filter and the first throttling gear form the heat pump subway and are sequentially connected. The defrosting subway comprises the second throttling gear and the second one-way valve. One end of the anti-ice-dilatation tube is connected with the first throttling gear, while the other end of the anti-ice-dilatation tube is connected with the second throttling gear and the filter. The anti-freeze low temperature heat pump air conditioning heat exchange system can effectively hinder frost at the bottom of the finned heat exchanger and reduce the rate of icing.
Description
Technical field
The utility model relates to the technical field of low-temperature heat pump air conditioner, refers in particular to a kind of low-temperature heat pump air conditioner heat-exchange system with icing protection.
Background technology
At present, existing low-temperature heat pump air conditioner heat-exchange system does not generally all have icing protection, namely be not to be provided for preventing that its finned heat exchanger bottom is icing or effectively to slow down the anti-frozen structure of its icing speed, can reduce its heat exchange efficiency like this, wherein, particularly under some severe rugged environments, such as the lower north of temperature, during existing low-temperature heat pump air conditioner heat-exchange system heating operation, can have a strong impact on its normal use because its finned heat exchanger bottom freezes.Therefore, be accompanied by now the development of social science and technology, how existing low-temperature heat pump air conditioner heat-exchange system improved, make it have certain anti-swollen ice function, become researcher's urgent problem.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of reasonable in design reliable, can effectively alleviate the low-temperature heat pump air conditioner heat-exchange system with icing protection of its icing speed.
For achieving the above object, technical scheme provided by the utility model is: a kind of low-temperature heat pump air conditioner heat-exchange system with icing protection, it includes compressor, cross valve, plate type heat exchanger, gas-liquid separator, finned heat exchanger, the first throttle device, the second throttling arrangement, the first check valve, the second check valve, fluid reservoir, filter, wherein, two mouths of pipe of described cross valve connect respectively the gas outlet of compressor and the air inlet of plate type heat exchanger, and its two other mouth of pipe connects respectively the gas outlet of air inlet and the finned heat exchanger of gas-liquid separator; The gas outlet of described gas-liquid separator and the air inlet of compressor join, and simultaneously, the gas outlet of above-mentioned plate type heat exchanger is connected with respectively the branch road that two air inlets with finned heat exchanger join, and it is specially heat pump branch road and defrosting branch road; Described heat pump branch road includes the first check valve, fluid reservoir, filter, the first throttle device that the direction along plate type heat exchanger to finned heat exchanger connects successively; Described defrosting branch road includes the second throttling arrangement and the second check valve, the input of described the second throttling arrangement joins with the output of filter and the input of first throttle device respectively, its output joins with the input of the first check valve and the gas outlet of plate type heat exchanger respectively, simultaneously, the input of the second check valve joins with the air inlet of finned heat exchanger and the output of first throttle device respectively, and its output joins with the output of the first check valve and the input of fluid reservoir respectively; It also includes the anti-swollen ice pipe that correspondence is located at the finned heat exchanger bottom, and wherein, an end of described anti-swollen ice pipe and the input of first throttle device join, and its other end joins with the input of the second throttling arrangement and the output of filter respectively.
Described first throttle device and the second throttling arrangement are choke valve.
The utility model is after having adopted such scheme, its great advantage is the utlity model has certain icing protection, this compared to existing technology, but the generation of the utility model establishment finned heat exchanger bottom frost, alleviate its icing speed, thereby reach the purpose that improves its heat exchange efficiency, equally also can be applicable to more use under the severe rugged environment, thereby can produce huge economic benefit.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with specific embodiment.
Shown in accompanying drawing 1, the described low-temperature heat pump air conditioner heat-exchange system of the present embodiment, it includes compressor 1, cross valve 2, plate type heat exchanger 3, gas-liquid separator 4, finned heat exchanger 5, first throttle device 6, the second throttling arrangement 7, the first check valve 8, the second check valve 9, fluid reservoir 10, filter 11 and the corresponding anti-swollen ice pipe 14 that is located at these finned heat exchanger 5 bottoms, wherein, two mouths of pipe of the described cross valve 2 of the present embodiment connect respectively the gas outlet of compressor 1 and the air inlet of plate type heat exchanger 3, and its two other mouth of pipe connects respectively the gas outlet of air inlet and the finned heat exchanger 5 of gas-liquid separator 4; The air inlet of the gas outlet of described gas-liquid separator 4 and compressor 1 joins, and simultaneously, the gas outlet of above-mentioned plate type heat exchanger 3 is connected with respectively the branch road that two air inlets with finned heat exchanger 5 join, and it is specially heat pump branch road 12 and defrosting branch road 13; Described heat pump branch road 12 includes along plate type heat exchanger 3 to finned heat exchanger the first check valve 8, fluid reservoir 10, filter 11, the first throttle device 6 that 5 direction connects successively; Described defrosting branch road 13 includes the second throttling arrangement 7 and the second check valve 9, the input of described the second throttling arrangement 7 joins with the output of filter 11 and the input of first throttle device 6 respectively, its output joins with the input of the first check valve 8 and the gas outlet of plate type heat exchanger 3 respectively, simultaneously, the input of the second check valve 9 joins with the air inlet of finned heat exchanger 5 and the output of first throttle device 6 respectively, and its output joins with the output of the first check valve 8 and the input of fluid reservoir 10 respectively; One end of described anti-swollen ice pipe 14 and the input of first throttle device 6 join, and its other end joins with the input of the second throttling arrangement 7 and the output of filter 11 respectively.In addition, the described first throttle device 6 of the present embodiment and the second throttling arrangement 7 are choke valve.The operation principle that below is the above-mentioned low-temperature heat pump air conditioner heat-exchange system of the present embodiment is described: during defrosting, shown in the dotted arrow in the accompanying drawing 1, the refrigerant gas of HTHP is discharged through compressor 1, entering afterwards finned heat exchanger 5 behind cross valve 2 defrosts, be condensed into cryogenic high pressure liquid, afterwards successively through the second check valve 9, fluid reservoir 10, filter 11, the second throttling arrangement 7 is laggard to enter board-like heat exchanger 3 heat exchange, form the refrigerant gas of low-temp low-pressure, and then successively by behind cross valve 2 and the gas-liquid separator 4, finally enter compressor 1 compression, finish compression cycle; When heating, shown in the solid arrow in the accompanying drawing 1, the refrigerant gas of HTHP is discharged through compressor 1, enter plate type heat exchanger 3 heat exchange through cross valve 2 afterwards, be condensed into middle temperature highly pressurised liquid, afterwards successively through the first check valve 8, fluid reservoir 10, filter 11, anti-swollen ice pipe 14, enter finned heat exchanger 5 evaporations behind the first throttle device 6, in the anti-swollen ice pipe 14 and then by fan 15 hot blast is blown out, and the gas of formation low-temp low-pressure after the refrigerant liquid heat exchange in the finned heat exchanger 5, at last successively by cross valve 2, enter compressor 1 compression behind the gas-liquid separator 4, finish compression cycle.In a word, after adopting above scheme, compared to existing technology, the anti-swollen ice pipe 14 of the utility model by setting up is so that it has certain icing protection, but the generation of establishment finned heat exchanger 5 bottom frosts, alleviate its icing speed, thereby reach the purpose that improves its heat exchange efficiency, equally also can be applicable to more use under the severe rugged environment, thereby can produce huge economic benefit, be worthy to be popularized.
The examples of implementation of the above are the preferred embodiment of the utility model only, are not to limit practical range of the present utility model with this, therefore the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection domain of the present utility model.
Claims (2)
1. low-temperature heat pump air conditioner heat-exchange system with icing protection, it includes compressor (1), cross valve (2), plate type heat exchanger (3), gas-liquid separator (4), finned heat exchanger (5), first throttle device (6), the second throttling arrangement (7), the first check valve (8), the second check valve (9), fluid reservoir (10), filter (11), wherein, two mouths of pipe of described cross valve (2) connect respectively the gas outlet of compressor (1) and the air inlet of plate type heat exchanger (3), and its two other mouth of pipe connects respectively the gas outlet of air inlet and the finned heat exchanger (5) of gas-liquid separator (4); The air inlet of the gas outlet of described gas-liquid separator (4) and compressor (1) joins, simultaneously, the gas outlet of above-mentioned plate type heat exchanger (3) is connected with respectively the branch road that two air inlets with finned heat exchanger (5) join, and it is specially heat pump branch road (12) and defrosting branch road (13); Described heat pump branch road (12) includes the first check valve (8), fluid reservoir (10), filter (11), the first throttle device (6) that the direction along plate type heat exchanger (3) to finned heat exchanger (5) connects successively; Described defrosting branch road (13) includes the second throttling arrangement (7) and the second check valve (9), the input of described the second throttling arrangement (7) joins with the output of filter (11) and the input of first throttle device (6) respectively, its output joins with the input of the first check valve (8) and the gas outlet of plate type heat exchanger (3) respectively, simultaneously, the input of the second check valve (9) joins with the air inlet of finned heat exchanger (5) and the output of first throttle device (6) respectively, and its output joins with the output of the first check valve (8) and the input of fluid reservoir (10) respectively; It is characterized in that: it also includes the anti-swollen ice pipe (14) that correspondence is located at finned heat exchanger (5) bottom, wherein, one end of described anti-swollen ice pipe (14) and the input of first throttle device (6) join, and its other end joins with the input of the second throttling arrangement (7) and the output of filter (11) respectively.
2. a kind of low-temperature heat pump air conditioner heat-exchange system with icing protection according to claim 1, it is characterized in that: described first throttle device (6) and the second throttling arrangement (7) are choke valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277231 CN202648270U (en) | 2012-06-13 | 2012-06-13 | Anti-freeze low temperature heat pump air conditioning heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220277231 CN202648270U (en) | 2012-06-13 | 2012-06-13 | Anti-freeze low temperature heat pump air conditioning heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648270U true CN202648270U (en) | 2013-01-02 |
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ID=47417367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220277231 Withdrawn - After Issue CN202648270U (en) | 2012-06-13 | 2012-06-13 | Anti-freeze low temperature heat pump air conditioning heat exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721240A (en) * | 2012-06-13 | 2012-10-10 | 广东澳信热泵空调有限公司 | Low-temperature heat pump air conditioner heat exchanging system with anti-icing function |
| CN103363710A (en) * | 2013-07-05 | 2013-10-23 | 广东长菱空调冷气机制造有限公司 | Heat pump system of air source heat pump water heater |
| CN103542606A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heat pump air conditioning system and control method thereof |
-
2012
- 2012-06-13 CN CN 201220277231 patent/CN202648270U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721240A (en) * | 2012-06-13 | 2012-10-10 | 广东澳信热泵空调有限公司 | Low-temperature heat pump air conditioner heat exchanging system with anti-icing function |
| CN102721240B (en) * | 2012-06-13 | 2016-02-10 | 广东澳信热泵空调有限公司 | A kind of low-temperature heat pump air conditioner heat-exchange system with icing protection |
| CN103363710A (en) * | 2013-07-05 | 2013-10-23 | 广东长菱空调冷气机制造有限公司 | Heat pump system of air source heat pump water heater |
| CN103542606A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heat pump air conditioning system and control method thereof |
| CN103542606B (en) * | 2013-10-31 | 2016-08-03 | Tcl空调器(中山)有限公司 | Heat pump type air conditioning system and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |