CN201527351U - Recoverable refrigerant type air conditioner external unit detection system - Google Patents
Recoverable refrigerant type air conditioner external unit detection system Download PDFInfo
- Publication number
- CN201527351U CN201527351U CN2009202705302U CN200920270530U CN201527351U CN 201527351 U CN201527351 U CN 201527351U CN 2009202705302 U CN2009202705302 U CN 2009202705302U CN 200920270530 U CN200920270530 U CN 200920270530U CN 201527351 U CN201527351 U CN 201527351U
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- Prior art keywords
- refrigerant
- recovery
- producing medium
- detection system
- air
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- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 title claims abstract description 93
- 239000003507 refrigerant Substances 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000012360 testing method Methods 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000003116 impacting effect Effects 0.000 claims description 2
- 239000010734 process oil Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides an outer quick-witted detecting system of recoverable refrigerant formula air conditioner, include: the device comprises a refrigerant storage device, a detection branch and a refrigerant recovery branch; the detection branch comprises: the throttling device is used for detecting a detection pipeline which needs the inlet and outlet of a refrigerant in the process; the throttling device and the detection pipeline are connected in series; the refrigerant recovery branch circuit includes: a recovery pipeline and a recovery power source which are used for the in-and-out of the refrigerant in the recovery process; the recovery pipeline and the recovery power source are connected in series; after the detection branch and the recovery branch are connected in parallel, one end of the detection branch is connected with one end of the refrigerant storage device in series, and the other end of the detection branch and the other end of the refrigerant storage device are connected to two ends of the tested air conditioner external unit. The utility model discloses a detecting system can solve current detecting system and detect and retrieve and need two independent equipment to need the independent operation scheduling problem, and then reached and to practice thrift effects such as space and cost, convenient control, improvement detection efficiency, refrigerant can recycle.
Description
Technical field
The utility model relates to refrigerating field, in particular to a kind of recyclable cold-producing medium formula outdoor machine of air-conditioner detection system.
Background technology
Common outdoor machine of body-separated air-conditioner device for detecting performance after test is finished by off-premises station with refrigerant-recovery.If off-premises station need not cold-producing medium then needs coolant reclaiming machine with refrigerant-recovery in the system after detection.
The inventor finds that there are the following problems at least in the prior art: existing detection branch needs device for detecting performance and two autonomous devices of refrigerant-recovery machine in this process, separately operation; And off-premises station of every detection need be irritated primary coolant, reclaims primary coolant, and cold-producing medium can't be recycling immediately.
The utility model content
The utility model aims to provide a kind of recyclable cold-producing medium formula outdoor machine of air-conditioner detection system, can solve existing detection system and detect with reclaiming and need two autonomous devices, and need problem such as operation separately.
The utility model provides a kind of recyclable cold-producing medium formula outdoor machine of air-conditioner detection system, comprising: refrigerant storage device, detection branch, refrigerant-recovery branch road; Detection branch comprises: restriction device, be used for the detection pipeline that testing process needs cold-producing medium turnover; Restriction device, detection pipeline are cascaded; The refrigerant-recovery branch road comprises: be used for removal process and need the recovery channel of cold-producing medium turnover, reclaim power source; Recovery channel, recovery power source are cascaded; Detection branch with reclaim the branch road parallel connection after an end connect with an end of refrigerant storage device, detection branch and the other end of the other end after the recovery branch road is in parallel and refrigerant storage device are connected in the two ends of tested outdoor machine of air-conditioner.
Preferably, refrigerant storage device is a heat exchanger.
Preferably, reclaiming power source is compressor.
Preferably, the refrigerant-recovery branch road also comprises: oil separator, its top is connected with the exhaust end of described compressor, is connected to the suction end of compressor behind its bottom process oil return kapillary.
Preferably, the refrigerant-recovery branch road also comprises: gas-liquid separator is connected in series with the suction end of compressor.
Preferably, the refrigerant-recovery branch road also comprises: prevent that cold-producing medium in the test process from impacting the 3rd retaining valve of oil separator and compressor, the conduction terminal and the oil separator of the 3rd retaining valve are connected in series.
Preferably, detection branch also comprises: prevent second retaining valve of compressor suction and discharge short circuit in the removal process, the end that ends of second retaining valve is connected in series with restriction device.
Preferably, the refrigerant-recovery branch road also comprises: solenoid valve, be connected in series by gas-liquid separator and described compressor, and be used to control the opening and closing of refrigerant-recovery branch road.
Preferably, detection branch also comprises: the filtration unit that filters cold-producing medium impurity in the test process.
Preferably, the refrigerant-recovery branch road also comprises: pressure switch is connected with the compressor air suction end.
Preferably, the refrigerant-recovery branch road also comprises: the oil return kapillary is connected between compressor air-discharging end and the oil separator.
Preferably, detection system also comprises: operation valve; Connect with operation valve after detection branch and the parallel connection of refrigerant-recovery branch road.
Preferably, operation valve comprises: first operation valve and second operation valve; An end is connected with first operation valve after detection branch and the parallel connection of refrigerant-recovery branch road, and the other end is connected with second operation valve.
Preferably, detection system also comprises: first tensimeter, connect with first operation valve; Second tensimeter is connected with second operation valve.
Because detection system of the present utility model comprises: refrigerant storage device, detection branch, refrigerant-recovery branch road; Detection branch with reclaim the branch road parallel connection after connect with refrigerant storage device; So detection system of the present utility model unites two into one detection branch and recovery branch road, can either detect air-conditioner outdoor unit, can reclaim again and detect used cold-producing medium, can solve existing detection system detection and need two autonomous devices with recovery, and need problems such as operation separately, and then reached conserve space and cost, convenient control, raising detection efficiency, cold-producing medium such as can be recycled at effect.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the structure according to the recyclable cold-producing medium formula outdoor machine of air-conditioner detection system of an embodiment of the utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 has schematically shown the recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to an embodiment of the utility model.As shown in the figure, the recyclable cold-producing medium formula outdoor machine of air-conditioner detection system 30 according to the utility model embodiment comprises: refrigerant storage device 305, detection branch, refrigerant-recovery branch road; Detection branch comprises: restriction device 310, be used for the detection pipeline that testing process needs cold-producing medium turnover; Restriction device 310, detection pipeline are cascaded; The refrigerant-recovery branch road comprises: be used for removal process and need the recovery channel of cold-producing medium turnover, reclaim power source 301; Recovery channel, recovery power source 301 are cascaded; Detection branch with reclaim the branch road parallel connection after an end connect with an end of refrigerant storage device 305, the other end of retrieving after branch road and the parallel connection of recovery branch road is connected with tested outdoor machine of air-conditioner 10 with the other end of refrigerant storage device 305.
In addition, recyclable cold-producing medium formula outdoor machine of air-conditioner detection system can be designed as detection branch can respectively comprise a refrigerant storage device with the recovery branch road, detection branch is in parallel with the recovery branch road, detection branch and the recovery branch road refrigerant storage device 305 of connecting after cancellation simultaneously and the parallel connection, so also can reach the effect that detection branch and recovery branch road are united two into one, only than Duoing a refrigerant storage device in the technical scheme among Fig. 1.
Preferably, refrigerant storage device 305 is a heat exchanger, for example is evaporator or condenser, like this, can store cold-producing medium preferably, and the detection of suitable detection system and recovery.
Preferably, reclaiming power source 301 is compressor, is fit to the detection and the recovery of detection system.
Preferably, the refrigerant-recovery branch road also comprises: oil separator 308, be connected with the exhaust end of compressor, and reclaim used compressor with protection.
Preferably, the refrigerant-recovery branch road also comprises: gas-liquid separator 303, be connected with the suction end of compressor, and reclaim used compressor with protection.
Preferably, the refrigerant-recovery branch road also comprises: prevent that the 3rd retaining valve 302, the three retaining valves 302 conduction terminal that cold-producing medium in the test process impacts oil separator 308 and compressor 301 are connected with oil separator 308.
Preferably, detection branch also comprises: the end that ends that prevents second retaining valve, 304, the second retaining valves 304 of compressor suction and discharge short circuit in the removal process is connected with restriction device 310, and restriction device 310 for example is a throttle capillary tube.
Preferably, the refrigerant-recovery branch road also comprises: solenoid valve 333, be connected in series by gas-liquid separator 303 and compressor, and be used to control the opening and closing of refrigerant-recovery branch road.
Preferably, detection branch also comprises: filter the filtration unit of cold-producing medium impurity in the test process, filtration unit for example is filtrator 315 and filtrator 306.
Preferably, the refrigerant-recovery branch road also comprises: pressure switch 307, be connected on the compressor air suction end pipeline, and be used for setting the force value that removal process requires system to reach, then automatic close compressor.
Preferably, the refrigerant-recovery branch road also comprises: oil return kapillary 309 is connected between compressor air-discharging end and the oil separator 308.
Preferably, detection system also comprises: operation valve; Connect with operation valve after detection branch and the parallel connection of refrigerant-recovery branch road.Operation valve can be various suitable valve, and for example operation valve comprises: first operation valve 331 and second operation valve 332; An end is connected with first operation valve 331 after detection branch and the parallel connection of refrigerant-recovery branch road, and the other end is connected with second operation valve 332.
Preferably, first operation valve 331 and second operation valve 332 are ball valve, and like this, the opening and closing system pipeline is quick.Certainly, above-mentioned operation valve is not limited to ball valve.
Preferably, detection system also comprises: first tensimeter 321 is connected in series with first operation valve 331; Second tensimeter 322 is connected in series with second operation valve 332.Like this, need not other plus-pressure table can directly detect and reclaim.Certainly, detection system can not comprise tensimeter, when detecting and reclaiming, connects tensimeter more in addition.
Introduce operating process below according to the recyclable cold-producing medium formula outdoor machine of air-conditioner detection system of the utility model embodiment:
One, prepare before the test:
In tested unit 10 system pipes for vacuum or have and be used to the cold-producing medium of hunting leak on a small quantity; Pour into quantitative cold-producing medium Mkg in the testing apparatus (being detection system 30); Connect detection system 30 and tested unit 10; Connect tested unit 10 power supplys, the testing apparatus power supply; Connect retaining valve 104 on the angle valve 106,107 of compressor 101 suction and exhaust ports, the end that ends of retaining valve 104 is connected with angle valve 106; First tensimeter 321 is connected in series with first operation valve 331; Second tensimeter 322 is connected in series with second operation valve 332.
Two, running test pattern:
A. open ball valve 331,332; Close solenoid valve 333; Tested machine compressor angle valve 106,107 is in fully open position; This moment, compressor 303 was in closed condition;
B. open tested unit 10.Cold-producing medium is discharged from tested machine set compressor 101, through tested machine condenser 105, tested machine fluid reservoir 108, enter testing apparatus by connecting pipe, ball valve 332, equipment second retaining valve 304 after tested, throttle capillary tube 310, heat exchanger 305 are got back to the vapour liquid separator 103 of tested unit again by ball valve 331, connecting pipe, return compressor 101, finish refrigeration cycle.
C. shutdown
Three, refrigerant-recovery pattern:
A. use the suction and exhaust ports of the tested machine compressor 101 of retaining valve 104 short circuits, retaining valve 104 directions are consistent with discharge directions, and compressor 101 stops;
B. tested machine compressor angle valve 106,107 is in half-open position;
B. close ball valve 331;
C. opens solenoid valve 333;
D. open compressor 301.Begin to enter testing apparatus through vapour liquid separator 103, retaining valve 104, condenser 105, reservoir 108 by ball valve 332 successively from the cold-producing medium of ball valve 331 positions, get back to the compressor (herein for reclaiming power source 301) of testing apparatus through vapour liquid separator 303, compressed again machine exhaust deposits cold-producing medium in the heat exchanger 305 of testing apparatus in
E. observe second tensimeter 322, treat that pressure reduces to 0.1mpa with ShiShimonoseki ball valve 332;
F. the compressor of testing apparatus (herein for reclaim power source 301) works on, until the testing apparatus low-pressure less than pressure switch 307 setting values (0.15mpa～0.25mpa), compressor (herein for reclaiming power source 301) auto stop.Close testing apparatus, finish recovery.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Detection system of the present utility model unites two into one detection branch and recovery branch road, can either detect air-conditioner outdoor unit, can reclaim again and detect used cold-producing medium, can solve existing detection system detection and need two autonomous devices with recovery, need problems such as operation separately, and detect the pressure of compressor air suction end when reclaiming automatically, automatically close compressor; Cold-producing medium can be recycled (reaching more than 95% through the verification experimental verification utilization factor).And then reached conserve space and cost, convenient control, improve detection efficiency, cold-producing medium and effect such as can recycle.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (13)
1. a recyclable cold-producing medium formula outdoor machine of air-conditioner detection system is characterized in that, comprising:
Refrigerant storage device, detection branch, refrigerant-recovery branch road;
Described detection branch comprises: restriction device, be used for the detection pipeline that testing process needs cold-producing medium turnover; Described restriction device, described detection pipeline are cascaded;
Described refrigerant-recovery branch road comprises: be used for removal process and need the recovery channel of cold-producing medium turnover, reclaim power source; Described recovery channel, described recovery power source are cascaded;
Described detection branch is in parallel with described recovery branch road, one end of one end and described refrigerant storage device is connected in series, and described detection branch and the other end of the other end after described recovery branch road is in parallel and described refrigerant storage device are connected to the two ends of described outdoor machine of air-conditioner.
2. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 1 is characterized in that,
Described refrigerant storage device is a heat exchanger.
3. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 1 is characterized in that,
Described recovery power source is a compressor.
4. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 3, it is characterized in that, described refrigerant-recovery branch road also comprises: oil separator, described oil separator top is connected with the exhaust end of described compressor, is connected to the suction end of described compressor behind the described oil separator bottom process oil return kapillary.
5. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 3 is characterized in that described refrigerant-recovery branch road also comprises: gas-liquid separator is connected in series with the suction end of described compressor.
6. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 3, it is characterized in that, described refrigerant-recovery branch road also comprises: prevent that cold-producing medium in the test process from impacting the 3rd retaining valve of described oil separator and described compressor, the conduction terminal of described the 3rd retaining valve and described oil separator are connected in series.
7. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 3, it is characterized in that, described detection branch also comprises: prevent second retaining valve of compressor suction and discharge short circuit in the removal process, the end that ends of described second retaining valve is connected in series with described restriction device.
8. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 5, it is characterized in that, described refrigerant-recovery branch road also comprises: solenoid valve, be connected in series by described gas-liquid separator and described compressor, and be used to control the opening and closing of refrigerant-recovery branch road.
9. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 1 is characterized in that described detection branch also comprises: the filtration unit that filters cold-producing medium impurity in the test process.
10. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 5 is characterized in that described refrigerant-recovery branch road also comprises: pressure switch is connected with described compressor air suction end.
11. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 1 is characterized in that described detection system also comprises: operation valve; Connect with described operation valve after described detection branch and the parallel connection of refrigerant-recovery branch road.
12. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 11 is characterized in that,
Described operation valve comprises: first operation valve and second operation valve;
An end is connected with described first operation valve after described detection branch and the parallel connection of described refrigerant-recovery branch road, and the other end is connected with described second operation valve.
13. recyclable cold-producing medium formula outdoor machine of air-conditioner detection system according to claim 12 is characterized in that, also comprises:
First tensimeter is connected in series with described first operation valve;
Second tensimeter is connected in series with described second operation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202705302U CN201527351U (en) | 2009-11-24 | 2009-11-24 | Recoverable refrigerant type air conditioner external unit detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202705302U CN201527351U (en) | 2009-11-24 | 2009-11-24 | Recoverable refrigerant type air conditioner external unit detection system |
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| Publication Number | Publication Date |
|---|---|
| CN201527351U true CN201527351U (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202705302U Expired - Lifetime CN201527351U (en) | 2009-11-24 | 2009-11-24 | Recoverable refrigerant type air conditioner external unit detection system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207432A (en) * | 2011-03-24 | 2011-10-05 | 海尔集团公司 | Test tool for air conditioner indoor unit and method for online test and refrigerant recovery |
| CN103174659A (en) * | 2011-12-20 | 2013-06-26 | 诺沃皮尼奥内有限公司 | Test arrangement for a centrifugal compressor stage |
| CN105372084A (en) * | 2015-10-26 | 2016-03-02 | 广东美的暖通设备有限公司 | Air conditioner performance detection system and method and standard machine weighing method |
| CN105698284A (en) * | 2016-03-14 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system and refrigeration controlling method and device thereof |
| CN111946607A (en) * | 2020-07-31 | 2020-11-17 | 青岛海信电子设备股份有限公司 | Refrigerant pump cabinet detection device and refrigerant pump cabinet detection method |
| CN113531966A (en) * | 2021-08-17 | 2021-10-22 | 珠海格力电器股份有限公司 | Refrigerant recovery device, refrigerant recovery system and control method thereof |
-
2009
- 2009-11-24 CN CN2009202705302U patent/CN201527351U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207432A (en) * | 2011-03-24 | 2011-10-05 | 海尔集团公司 | Test tool for air conditioner indoor unit and method for online test and refrigerant recovery |
| CN103174659A (en) * | 2011-12-20 | 2013-06-26 | 诺沃皮尼奥内有限公司 | Test arrangement for a centrifugal compressor stage |
| CN105372084A (en) * | 2015-10-26 | 2016-03-02 | 广东美的暖通设备有限公司 | Air conditioner performance detection system and method and standard machine weighing method |
| CN105372084B (en) * | 2015-10-26 | 2018-05-01 | 广东美的暖通设备有限公司 | A kind of heat pump performance detection method and Standard Machine weighing method |
| CN105698284A (en) * | 2016-03-14 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system and refrigeration controlling method and device thereof |
| CN105698284B (en) * | 2016-03-14 | 2018-10-19 | 广东美的制冷设备有限公司 | Air-conditioning system and its refrigeration control method and device |
| CN111946607A (en) * | 2020-07-31 | 2020-11-17 | 青岛海信电子设备股份有限公司 | Refrigerant pump cabinet detection device and refrigerant pump cabinet detection method |
| CN113531966A (en) * | 2021-08-17 | 2021-10-22 | 珠海格力电器股份有限公司 | Refrigerant recovery device, refrigerant recovery system and control method thereof |
| CN113531966B (en) * | 2021-08-17 | 2024-09-06 | 珠海格力电器股份有限公司 | Refrigerant recovery device, refrigerant recovery system and control method of refrigerant recovery system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100714 |
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| CX01 | Expiry of patent term |