CN202158967U - Testing tool of indoor unit of air conditioner - Google Patents
Testing tool of indoor unit of air conditioner Download PDFInfo
- Publication number
- CN202158967U CN202158967U CN2011200805604U CN201120080560U CN202158967U CN 202158967 U CN202158967 U CN 202158967U CN 2011200805604 U CN2011200805604 U CN 2011200805604U CN 201120080560 U CN201120080560 U CN 201120080560U CN 202158967 U CN202158967 U CN 202158967U
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- China
- Prior art keywords
- air conditioner
- compressor
- test fixture
- room unit
- condenser group
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Abstract
The utility model provides a testing tool of an indoor unit of an air conditioner. The testing tool is provided with a condenser set used to form a refrigerant circulation loop with an evaporator set in the indoor unit of the air conditioner. The testing tool also includes a compressor and a four-way valve. The compressor connects or disconnects in serial with a pipeline in air inlet side of the condenser set through the four-way valve selectively. The testing tool of the indoor unit of the air conditioner can not only used for online testing of the indoor unit, but also recycles refrigerant in the indoor unit without a fluorine collector. Since no fluorine collector needs to be used, the refrigerant recycling cost is comparatively low.
Description
Technical field
The utility model relates to a kind of test fixture of air conditioner room unit.
Background technology
For base station air conditioner; Because need to use in a lot of unattended remote districts; So the problem of antitheft with regard to having become base station air conditioner to need emphasis to consider has been put into press indoorly for this reason, existing common air-conditioning production line can't on-line testing receipts fluorine with test fixture.
For the built-in indoor set air-conditioning of this press; Machine production line can't be produced in the common air-conditioning; The machine line is produced outside, but the just interior machine of the frock in now common outdoor machine of air-conditioner production line air conditioner test room, and the built-in this indoor apparatus of air conditioner of press requires to connect outer machine; But use this outer machine that matches with the built-in interior machine of press, can't receive fluorine after the online testing.Common producer may bleed off refrigerant entirely, annotates again again, can cause giant's waste and environmental pollution like this.Better producer may use receives the fluorine machine refrigerant recovering, but it is higher to receive fluorine machine expense, and speed is slower,
For example; Application number is 200310115481.2 Chinese patent; Disclose a kind of by the method that reclaims refrigerant in the air conditioner; In the air conditioner that it constitutes connecting indoor set and off-premises station by connecting pipe, on off-premises station, be provided with two-port valve and T-valve, and comprise the operation that makes two-port valve and T-valve be in closure state simultaneously as connector; Working hole operation that is connected with the refrigerant recovering pump and the operation that refrigerant recovering pump and refrigerant recovering are connected with container with T-valve.This publication is higher by means of the receipts fluorine equipment cost of special use, can not realize on-line testing simultaneously and reclaim refrigerant.
The utility model content
To the problem that exists in the correlation technique; The purpose of the utility model is to provide a kind of test fixture of air conditioner room unit and the on-line testing and the refrigerant recovering method of air conditioner room unit; To solve after, can not reclaim the problem of cold-producing medium in the indoor set with low cost to the indoor set on-line testing.
For realizing above-mentioned purpose; According to an aspect of the utility model, a kind of test fixture of air conditioner room unit is provided, have: in order to air conditioner room unit in evaporator bank constitute the condenser group of refrigerant circulation loop; Also have compressor and four-way valve; Wherein, compressor is through four-way valve, is communicated with series system with the air inlet lateral line of condenser group selectively or breaks off.
Preferably; Test fixture also has first stop valve and second stop valve; First stop valve is connected on the tapping side pipeline of condenser group; The air intake opening of the air entry of second stop valve, compressor, the exhausr port of compressor, condenser group is connected with four ports of four-way valve respectively correspondingly.
Preferably, the condenser group is provided with blower fan.
Preferably, air conditioner room unit is the indoor set that is built-in with compressor.
On the other hand; The utility model also provides a kind of on-line testing and refrigerant recovering method of air conditioner room unit; Air conditioner room unit is the indoor set that is built-in with compressor, and this method comprises the steps: step 1: indoor set and the aforementioned arbitrary test fixture of the utility model are coupled together, then through four-way valve in the test fixture; Compressor in the test fixture and condenser group are broken off, so that indoor set is carried out on-line testing; And step 2: after accomplishing on-line testing, four-way valve is commutated, so that compressor is with the condenser group of refrigerant-recovery residual in the indoor set to test fixture.
Preferably, before indoor set and test fixture are coupled together, in test fixture, inject cold-producing medium and indoor set is found time.
Preferably, when carrying out on-line testing, compressor keeps breaking off with the air intake opening of second stop valve and condenser group; And when reclaiming residual cold-producing medium, compressor keeps being communicated with the air intake opening of second stop valve and condenser group.
Preferably, when carrying out on-line testing, first and second stop valves are in conducting state, and when reclaiming residual cold-producing medium, first stop valve is in cut-off state, and second stop valve is in conducting state.
Preferably, when the pressure of refrigerant line is zero in detecting indoor set, second stop valve is made as cut-off state, to finish recovery to residual cold-producing medium.
Preferably, said cold-producing medium is a freon.
Than prior art; The beneficial effect of the utility model is: because the test fixture of the utility model comprises four-way valve and compressor; And compressor is set to be communicated with selectively with the air inlet lateral line of condenser group or break off through four-way valve, therefore, not only can carry out on-line testing to air conditioner room unit; And under not by means of the situation of receiving the fluorine machine, can also the cold-producing medium of indoor set be reclaimed, promptly the utility model has reduced the cost that reclaims cold-producing medium simultaneously.
Description of drawings
Fig. 1 shows test fixture and the synoptic diagram that this test fixture is connected with air conditioner room unit of the air conditioner room unit of the utility model, and with arrow the flow direction of cold-producing medium when indoor set carried out on-line testing is shown;
The synoptic diagram of the flow direction of cold-producing medium when the test fixture that Fig. 2 shows the utility model reclaims the residual cold-producing medium of indoor set.
Embodiment
Referring to Fig. 1-2; The test fixture of the air conditioner room unit of the utility model comprises: condenser group 6, compressor 4, four-way valve 5; Wherein, Condenser group 6 in order to air conditioner room unit to be measured in evaporator bank 11 constitute refrigerant circulation loops, compressor 4 is communicated with series system with the air inlet lateral line of condenser group 6 through four-way valve 5 or breaks off.
Further, illustrated among Fig. 1-2, the test fixture of the utility model also comprises: first stop valve 8 and second stop valve 3.First stop valve 8 is connected on the tapping side pipeline of condenser group 6 (being communicated with the liquid outlet 62 of condenser group), and second stop valve 3, the air entry 41 of compressor 4, the exhausr port 42 of compressor 4, the air intake opening 61 of condenser group are connected with four ports of four-way valve 5 respectively correspondingly.Particularly, four-way valve 5 has D, C, S, four ports of E, and the D port is connected with the exhausr port 42 of compressor, the C port is connected with the air entry 41 of compressor, the S port is connected with second stop valve 3, the E port is connected with the air intake opening 61 of condenser group.Because the air entry of compressor 4 41 is through four-way valve 5, is communicated with second stop valve 3 selectively or breaks off, the exhausr port 42 of compressor 4 passes through four-way valve 5, is communicated with the air intake opening 61 of condenser group 6 selectively or breaks off.Fig. 1-2 also shows the blower fan 7 that is located on the condenser group 6.
Moreover Fig. 1-2 also shows, and the test fixture of the utility model is used for the built-in air conditioner room unit 1 ' of compressor.This air conditioner room unit 1 ' not only has evaporator bank 11, also has a throttling valve 10 on compressor 1 that is connected with evaporator bank 11 and the liquid feeding side pipeline that is connected evaporator bank 11.When using the test fixture of the utility model; For example can be through first stop valve 8, second stop valve 3 with test fixture 1 " is connected with indoor set 1 '; in the back of finishing using (on-line testing and recovery cold-producing medium all finish afterwards); break off the rapid-acting coupling at the 3rd stop valve 2, the 4th stop valve 9 places, with indoor set 1 ' and test fixture 1 " separate.
By the above; Through compressor 4 and four-way valve 5 that compressor 4 is communicated with selectively on the air inlet lateral line of condenser group or breaks off from this air inlet lateral line; The test fixture of the utility model; Can not only carry out on-line testing to indoor set, and after carrying out online line test, can also reclaim the cold-producing medium in the indoor set with low cost.
On the other hand, the utility model also provides a kind of on-line testing and refrigerant recovering method of air conditioner room unit.Shown in Fig. 1-2; Said air conditioner room unit is the indoor set 1 ' that is built-in with compressor 1; This method comprises: step 1: with indoor set 1 ' and test fixture 1 " couple together; then through test fixture 1 " middle four-way valve 4, and with test fixture 1 " middle compressor 4 and 6 disconnections of condenser group, so that indoor set 1 ' is carried out on-line testing; And step 2: after accomplishing on-line testing, four-way valve 4 is commutated, so that compressor 4 is with refrigerant-recovery residual in the indoor set 1 ' to test fixture 1 " condenser group 6.With indoor set 1 ' and test fixture 1 " couple together before, to test fixture 1 " in injection cold-producing medium and indoor set 1 ' found time.
The flow direction of cold-producing medium when Fig. 1 shows on-line testing; With the cold-producing medium of HTHP gaseous state from the exhausr port discharge of compressor 1; Successively through the S port of the 3rd stop valve 2, second stop valve 3, four-way valve 4 and E port flow to condenser group 6; In condenser group 6, carry out cold-producing medium liquefy after the heat interchange, then liquid refrigerant is discharged from the liquid outlet 62 of condenser group 6, gets into evaporator bank 11 through first stop valve 2, the 4th stop valve 9, throttling valve 10 successively afterwards; In evaporator bank 11, carry out becoming gaseous state after the heat interchange, be back to the air entry of compressor 1 then.Obviously, when carrying out on-line testing, four stop valves 2,3,8,9 all are in conducting state, and compressor 4 keeps breaking off with the air intake opening 61 of second stop valve 3 and condenser group, and this is through being port E and S conducting, port D and C conducting with four-way valve 4 switching-overs.
The process that indoor set 1 ' is reclaimed cold-producing medium is described referring to Fig. 2; First stop valve 8 was in the compressor 1 that cut-off state, other stop valves 2,3,9 be in conducting state, indoor set 1 ' and was de-energized and test fixture 1 this moment " in compressor 4 powered on, four-way valve 4 is also powered on being port C and S conducting, port D and E conducting by switching-over.Thereby compressor 4 keeps being communicated with the air intake opening 61 of second stop valve 3 and condenser group, can the residual refrigerant-recovery in the indoor set 1 ' being arrived condenser group 6.The flow direction of cold-producing medium among comparison diagram 1 and Fig. 2; In Fig. 2; Cold-producing medium is getting into test fixture 1 " afterwards, behind port S, port C, compressor air suction mouth 41, exhaust outlet of compressor 42, D port, E port, flow to condenser group 6 successively, to realize refrigerant-recovery.
In other words, after indoor set 1 ' on-line testing is finished,, power on for four-way valve 5, frock with compressor 4, blower fan (outer blower fan) 7 indoor set 1 ' outage; Four-way valve 5 switching-overs, D and the conducting of E port, S and the conducting of C port; Close first stop valve 8 then, indoor set 1 ' refrigerant begins to be recovered to frock 1 " in, indoor set 1 ' connects tensimeter; tensimeter closes tracheae stop valve 3 after detecting pressure arrival 0pa, gives four-way valve 5, frock with compressor 4, blower fan 7 outages.In the utility model, cold-producing medium is preferably freon.
It is whether can run well, reach predetermined function etc. for the testing air conditioner air conditioner indoor machine that air conditioner room unit is carried out on-line testing.Further preferably, the test fixture of the utility model is used for the built-in indoor set of compressor of base station air conditioner, and this base station air conditioner is the single-cooling type air-conditioning.
Thus, the method that the utility model provides is not only carried out on-line testing to the built-in indoor set of compressor, and after the four-way valve in the test fixture is commutated, can also the cold-producing medium in this indoor set be reclaimed.And because not by means of receiving the fluorine machine, it is lower therefore to reclaim the cold-producing medium cost.
The preferred embodiment that the above is merely the utility model 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 the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. the test fixture of an air conditioner room unit has: in order to said air conditioner room unit in evaporator bank (11) constitute the condenser group (6) of refrigerant circulation loop, it is characterized in that,
Also have compressor (4) and four-way valve (5), wherein, said compressor (4) is through said four-way valve (5), is communicated with series system with the air inlet lateral line of said condenser group (6) selectively or breaks off.
2. the test fixture of air conditioner room unit according to claim 1 is characterized in that, also has first stop valve (8) and second stop valve (3),
Wherein, Said first stop valve (8) is connected on the tapping side pipeline of said condenser group (6); The air intake opening (61) of the exhausr port (42) of the air entry (41) of said second stop valve (3), said compressor, said compressor, said condenser group is connected with four ports of said four-way valve (5) respectively correspondingly.
3. the test fixture of air conditioner room unit according to claim 2 is characterized in that, said condenser group (6) is provided with blower fan (7).
4. according to the test fixture of each described air conditioner room unit among the claim 1-3, it is characterized in that said air conditioner room unit is the indoor set (1 ') that is built-in with compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200805604U CN202158967U (en) | 2011-03-24 | 2011-03-24 | Testing tool of indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200805604U CN202158967U (en) | 2011-03-24 | 2011-03-24 | Testing tool of indoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158967U true CN202158967U (en) | 2012-03-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200805604U Expired - Fee Related CN202158967U (en) | 2011-03-24 | 2011-03-24 | Testing tool of indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158967U (en) |
Cited By (3)
| 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 |
| CN107246975A (en) * | 2017-05-02 | 2017-10-13 | 青岛大学 | A kind of flow refrigerator with adjustable heat exchanger performance test system |
| CN110173847A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | A kind of control method, device, storage medium and air-conditioning recycling refrigerant |
-
2011
- 2011-03-24 CN CN2011200805604U patent/CN202158967U/en not_active Expired - Fee Related
Cited By (3)
| 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 |
| CN107246975A (en) * | 2017-05-02 | 2017-10-13 | 青岛大学 | A kind of flow refrigerator with adjustable heat exchanger performance test system |
| CN110173847A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | A kind of control method, device, storage medium and air-conditioning recycling refrigerant |
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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: 20120307 Termination date: 20170324 |