CN201100783Y - Thermal pump unit with electronic swelling valve and capillary flow saving device - Google Patents
Thermal pump unit with electronic swelling valve and capillary flow saving device Download PDFInfo
- Publication number
- CN201100783Y CN201100783Y CNU2007200468252U CN200720046825U CN201100783Y CN 201100783 Y CN201100783 Y CN 201100783Y CN U2007200468252 U CNU2007200468252 U CN U2007200468252U CN 200720046825 U CN200720046825 U CN 200720046825U CN 201100783 Y CN201100783 Y CN 201100783Y
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- valve
- pipeline
- capillary
- check valve
- condenser
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Abstract
The utility model relates to a heat pump air-conditioning unit which is suitable for cold zones, expansion valves with electrons and capillary throttling devices. The utility model comprises a compressor, a change-over valve, a gas-liquid separator, an evaporator, a liquid accumulator, a flash evaporator, a condenser, a throttle valve and a capillary throttling device which are connected, since the heat pump air-conditioning unit adopts the above technical proposal, one section of the capillary throttling device is connected in series with one end of the throttle valve. When the heat pump unit is refrigerating, the heat pump air-conditioning unit adopts the throttle valve and the capillary throttling device to throttle for cooling agent together, and when the heat pump unit is heating, the heat pump air-conditioning unit only adopts the throttle valve to throttle, compared with the prior art, the heat pump air-conditioning unit not only enables the heat pump unit to satisfy flow quantity requirements in the process of refrigerating and heating, but also the operation of the unit is more stable and reliable, and working efficiency is greatly improved.
Description
Technical field
The utility model relates to the air conditioner energy saving technical field, particularly is applicable to the heat pump air conditioner unit of cold district, charged sub-expansion valve and capillary-compensated device.
Background technology
In order to solve the problem of air source heat pump heating performance deficiency under low temperature environment, the reason at causing its heating capacity decay under low ambient temperature has proposed various novel heat pumps, as the heat pump of band flash vessel.Compare with the air source heat pump system of routine, after setting up flash vessel, because the existence in tonifying Qi loop makes the refrigerant flow that flows through condenser increase, and can increase the heating capacity of system, improve compression process effectively, helps improving the low-temperature heating performance and the operational reliability of air source heat pump.At present, in the heat pump of band flash vessel, heat or process of refrigerastion in usually adopt same electric expansion valve as throttle device, but making, the following existence owing to tonifying Qi of worst cold case needs bigger refrigerant flow when heating, do not need so big flow during refrigeration again, this has just caused the flow difference of electric expansion valve both forward and reverse directions bigger.If adopt the less electric expansion valve of aperture, when heating, then can't normally be suitable for; If adopt the bigger electric expansion valve of aperture, the restriction effect when refrigeration is just not obvious, so all can cause system normally to move.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of source pump that can both carry out the charged sub-expansion valve and the capillary-compensated device of effective throttling when freezing or heating to refrigerant flow is provided.
The technical scheme that provides according to the utility model, the source pump of described charged sub-expansion valve, comprise compressor, reversal valve, gas-liquid separator, evaporimeter, reservoir, flash vessel and condenser, compressor joins by pipeline and gas-liquid separator, gas-liquid separator joins by reversal valve and pipeline and condenser, condenser joins by pipeline and check valve and reservoir, check valve by condenser to the reservoir unilaterally connected, reservoir joins by pipeline and evaporimeter, the pipeline that picks out on the evaporimeter is connected on the reversal valve, flash vessel in parallel and check valve on the pipeline at check valve two ends, check valve be arranged on the pipeline that flash vessel bottom place stretches out and by flash vessel to the condenser unilaterally connected, flash vessel and compressor are by pipeline and being joined to the unilaterally connected check valve of compressor by flash vessel of being provided with on this pipeline, compressor is provided with pipeline and reversal valve joins, on the pipeline between check valve and the condenser, be provided with choke valve, on the intersection of the outflow pipeline of check valve and the pipeline by choke valve and the pipeline between the check valve, be provided with the capillary-compensated device.
Be provided with filter on the pipeline between choke valve and the condenser.On the pipeline between check valve and the reservoir, be provided with filter.Between the pipeline between filter and the check valve and flash vessel, be communicated with, and on this segment pipe, be provided with choke valve by pipeline.Reversal valve is a four-way change-over valve.The capillary-compensated device is spiral capillary shape throttling arrangement or zigzag capillary throttling arrangement.Choke valve and choke valve are electric expansion valve.
Because the utility model adopted above-mentioned technical scheme, at an end of the choke valve one section capillary-compensated device of having connected.When source pump is freezed, adopt choke valve and capillary-compensated device jointly to the cold-producing medium throttling; And when source pump heats, only adopt choke valve to carry out throttling.Compare with prior art, the utility model not only can make source pump can both satisfy flow requirements in refrigeration and heating process, and unit operation is more reliable and more stable, and operating efficiency improves greatly.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the source pump of charged sub-expansion valve of the present utility model and capillary-compensated device, comprise compressor 1, reversal valve 2, gas-liquid separator 11, evaporimeter 3, reservoir 4, flash vessel 7 and condenser 10, compressor 1 joins by pipeline and gas-liquid separator 11, gas-liquid separator 11 joins by reversal valve 2 and pipeline and condenser 10, condenser 10 joins with reservoir 4 by pipeline and check valve 8, check valve 8 by condenser 10 to reservoir 4 unilaterally connecteds, reservoir 4 joins by pipeline and evaporimeter 3, the pipeline that picks out on the evaporimeter 3 is connected on the reversal valve 2, flash vessel 7 in parallel and check valve 80 on the pipeline at check valve 8 two ends, check valve 80 be arranged on the pipeline that flash vessel 7 bottoms places stretches out and by flash vessel 7 to condenser 10 unilaterally connecteds, flash vessel 7 and compressor 1 are by pipeline and being joined to compressor 1 unilaterally connected check valve 18 by flash vessel 7 of being provided with on this pipeline, compressor 1 is provided with pipeline and reversal valve 2 joins, on the pipeline between check valve 80 and the condenser 10, be provided with choke valve 9 (this choke valve 9 can be electric expansion valve), on the intersection of the outflow pipeline of check valve 80 and the pipeline by choke valve 9 and the pipeline between the check valve 8, be provided with capillary-compensated device 12.
Be provided with filter 5 on the pipeline between choke valve 9 and the condenser 10.At check valve 8 and reservoir 4) between pipeline on be provided with filter 50.Between the pipeline between filter 50 and the check valve 8 and flash vessel 7, be communicated with by pipeline, and be provided with choke valve 6 (this choke valve 6 can be electric expansion valve) at this segment pipe (this segment pipe is the flow ipe of flash vessel 7, and the pipeline (promptly flowing out pipeline) that it stretches out with flash vessel 7 bottoms places is connected in parallel on flash vessel 7 on the pipeline at check valve 8 two ends).Reversal valve 2 is a four-way change-over valve.Capillary-compensated device 12 can be spiral capillary shape throttling arrangement or zigzag capillary throttling arrangement.Choke valve 6 is electric expansion valve with choke valve 9.
The utility model is in process of refrigerastion (single arrow among Fig. 1), 1 pair on compressor compresses from the low-temperature low-pressure refrigerant steam that evaporimeter 3 sucks by vapour liquid separator 11, the high pressure high temperature vapor that produces enters condenser 10 by the exhaust outlet of compressor 1 through reversal valve 2 (four-way change-over valve), and the liquid that is condensed into high pressure earlier by behind the filter 5 again through the common throttling of choke valve 9 (electric expansion valve) and capillary-compensated device 12, the damp steam that forms low-temp low-pressure by check valve 8 after again through entering evaporimeter 3 behind filter 50 and the reservoir 4, be evaporated the steam that is vaporized into low-temp low-pressure again, get back to reversal valve 2 and enter the suction end of compressor 1, move in circles according to this through vapour liquid separator 11.
The utility model is in the process of heating (double-head arrow among Fig. 1), and the evaporimeter 3 during refrigeration uses as condenser, and condenser 10 uses as evaporimeter.1 pair on compressor compresses from the low-temperature low-pressure refrigerant steam that evaporimeter 10 sucks by vapour liquid separator 11, the high pressure high temperature vapor that produces enters condenser 3 by the exhaust outlet of compressor 1 through reversal valve 2, and the liquid that is condensed into high pressure through reservoir 4 with filter 50 after choke valve 6 throttlings become gas-liquid mixture to enter in the flash vessel 7, in flash vessel 7, the flashed vapour auxilairy air intake by compressor behind check valve 18 that is in top is sucked by compressor 1; The continuous shwoot of steam causes the liquid of flash vessel 7 bottoms cold excessively, crossing liquid after cold flows out flash vessel 7 and is throttled to evaporating pressure by check valve is after 80s by choke valve 9 earlier, enter evaporimeter 10 through behind the filter 5 again, be evaporated the steam that is vaporized into low-temp low-pressure again, get back to reversal valve 2, enter the suction end of compressor 1 through vapour liquid separator 11, move in circles according to this.
Claims (7)
1, the source pump of a kind of charged sub-expansion valve and capillary-compensated device, comprise compressor (1), reversal valve (2), gas-liquid separator (11), evaporimeter (3), reservoir (4), flash vessel (7) and condenser (10), compressor (1) joins by pipeline and gas-liquid separator (11), gas-liquid separator (11) joins by reversal valve (2) and pipeline and condenser (10), condenser (10) joins with reservoir (4) by pipeline and check valve (8), check valve (8) by condenser (10) to reservoir (4) unilaterally connected, reservoir (4) joins by pipeline and evaporimeter (3), the pipeline that picks out on the evaporimeter (3) is connected on the reversal valve (2), flash vessel in parallel (7) and check valve (80) on the pipeline at check valve (8) two ends, check valve (80) be arranged on the pipeline that flash vessel (7) bottom place stretches out and by flash vessel (7) to condenser (10) unilaterally connected, flash vessel (7) and compressor (1) are by pipeline and being joined to the unilaterally connected check valve of compressor (1) (18) by flash vessel (7) of being provided with on this pipeline, compressor (1) is provided with pipeline and reversal valve (2) joins, on the pipeline between check valve (80) and the condenser (10), be provided with choke valve (9), it is characterized in that: on the intersection of the outflow pipeline of check valve (80) and the pipeline by choke valve (9) and the pipeline between the check valve (8), be provided with capillary-compensated device (12).
2, the source pump of charged sub-expansion valve as claimed in claim 1 and capillary-compensated device is characterized in that: be provided with filter (5) on the pipeline between choke valve (9) and the condenser (10).
3, the source pump of charged sub-expansion valve as claimed in claim 1 and capillary-compensated device is characterized in that: be provided with filter (50) on the pipeline between check valve (8) and the reservoir (4).
4, the source pump of charged sub-expansion valve as claimed in claim 3 and capillary-compensated device, it is characterized in that: between the pipeline between filter (50) and the check valve (8) and flash vessel (7), be communicated with, and on this segment pipe, be provided with choke valve (6) by pipeline.
5, the source pump of charged sub-expansion valve as claimed in claim 1 and capillary-compensated device is characterized in that: reversal valve (2) is a four-way change-over valve.
6, the source pump of charged sub-expansion valve as claimed in claim 1 and capillary-compensated device is characterized in that: capillary-compensated device (12) is spiral capillary shape throttling arrangement or zigzag capillary throttling arrangement.
7, the source pump of charged sub-expansion valve as claimed in claim 1 and capillary-compensated device is characterized in that: choke valve (6) is electric expansion valve with choke valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200468252U CN201100783Y (en) | 2007-09-30 | 2007-09-30 | Thermal pump unit with electronic swelling valve and capillary flow saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200468252U CN201100783Y (en) | 2007-09-30 | 2007-09-30 | Thermal pump unit with electronic swelling valve and capillary flow saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100783Y true CN201100783Y (en) | 2008-08-13 |
Family
ID=39937316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200468252U Expired - Lifetime CN201100783Y (en) | 2007-09-30 | 2007-09-30 | Thermal pump unit with electronic swelling valve and capillary flow saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100783Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258401A (en) * | 2015-10-23 | 2016-01-20 | 上海龙阳精密复合铜管有限公司 | Heat exchanger and heat pump type air conditioner system provided with heat exchanger |
| CN106016834A (en) * | 2016-07-12 | 2016-10-12 | 广州瑞姆节能设备有限公司 | Small-size user air source low-temperature heat pump |
| CN111546476A (en) * | 2020-04-02 | 2020-08-18 | 广州市同益新能源科技有限公司 | Curing method for concrete member |
-
2007
- 2007-09-30 CN CNU2007200468252U patent/CN201100783Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258401A (en) * | 2015-10-23 | 2016-01-20 | 上海龙阳精密复合铜管有限公司 | Heat exchanger and heat pump type air conditioner system provided with heat exchanger |
| CN106016834A (en) * | 2016-07-12 | 2016-10-12 | 广州瑞姆节能设备有限公司 | Small-size user air source low-temperature heat pump |
| CN111546476A (en) * | 2020-04-02 | 2020-08-18 | 广州市同益新能源科技有限公司 | Curing method for concrete member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080813 |