CN202166245U - Matching test device for air-conditioner capillary - Google Patents
Matching test device for air-conditioner capillary Download PDFInfo
- Publication number
- CN202166245U CN202166245U CN2011202887308U CN201120288730U CN202166245U CN 202166245 U CN202166245 U CN 202166245U CN 2011202887308 U CN2011202887308 U CN 2011202887308U CN 201120288730 U CN201120288730 U CN 201120288730U CN 202166245 U CN202166245 U CN 202166245U
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- capillary
- pipe
- branch road
- refrigerant flow
- control valve
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Abstract
The utility model discloses a matching test device for an air-conditioner capillary. The matching test device comprises a first throttle branch, a second throttle branch, a first Y-shaped three-way pipe and a second Y-shaped three-way pipe, wherein the first throttle branch and the second throttle branch are connected in parallel through the first Y-shaped three-way pipe and the second Y-shaped three-way pipe, the first throttle branch comprises a first capillary and refrigerant flow control valves arranged at the two sides of the first capillary, and the second throttle branch comprises a second capillary and refrigerant flow control valves arranged at the two sides of the second capillary. In the utility model, two sealed and controllable flow paths are arranged at throttle positions of a circulating system in parallel, wherein one flow path is used for the capillary under test, and the other flow path is used for capillary to be changed, so that the circulating system does not need to be cut off in the changing process of the capillary, thereby shortening the matching time, improving the work efficiency and greatly lowering the power consumption for the matching test.
Description
Technical field
The utility model relates to the air-conditioner technical field, more particularly relates to a kind of device of air conditioner capillary pipe match test.
Background technology
The design of air-conditioner properties of product need be confirmed optimum capillary and refrigerant quota through the test coupling behind definite indoor unit and outdoor unit configuration and compressor.The method of existing capillary match test is; As shown in Figure 1; An end that two ends is had first capillary 1 of copper nut 2 directly is connected on the triple valve of air-conditioner outdoor unit condenser; The other end is connected to indoor set air inlet pipe joint through the two-port valve 3 of a band pipe joint, in the time will changing the coupling capillary, must the valve body before and after the capillary be closed.Shortcoming below conventional device exists: 1) after new capillary is changed, need for a long time, air-conditioner and test operating mode could get into poised state once more, reach test request; 2) at capillary between the stage of replacement, compressor is also in work, but because of systemic circulation is cut off, pressure can't discharge, and system pressure sharply rises, and possibly cause the compressor blast; 3) in addition, the triple valve place of off-premises station is a high-pressure under heating mode, can't add refrigerant, can't test front and back capillaceous pressure.
Chinese patent ZL201020102933.9 discloses a kind of air-conditioning and has mated device capillaceous; This device comprises many internal diameter is identical and a plurality of throttling branch roads that are in parallel that capillary that length is different and shunting house steward, liquid-dividing head are formed; Every the control of route control corresponding valve is propped up in throttling, fixes for the mode that adopts welding between capillary and the liquid-dividing head.This device can be implemented in fast under the situation of interrupt system stream not changes purpose capillaceous, but also has following shortcoming: 1) internal diameter capillaceous commonly used has five kinds of 1.2mm, 1.4mm, 1.6mm, 1.9mm and 2.2mm, and employing length is 350mm-1200mm; Wherein length is every is a specification at a distance from 50mm; That is to say 18 kinds of specifications, so, all be welded on 18 capillaries on the liquid-dividing head; And to do five at least; Also must make trouble through manual customization, cost of manufacture is high; 2) needing a plurality of control valves of configuration and a plurality of shunting house steward, design cost high 3) whole device solder joint is many, as long as a solder joint leakage can cause whole device to be scrapped; 4) this device still can't add refrigerant, can't test front and back capillaceous pressure under heating mode.
The utility model content
The technical problem that the utility model will solve is, to the deficiency that prior art exists, a kind of device of safe and reliable, simple in structure, lower-cost air conditioner capillary pipe match test is provided.
For solving the problems of the technologies described above; Construct a kind of device of air conditioner capillary pipe match test; Comprise first throttle branch road, the second throttling branch road and first breeches pipe and second breeches pipe that first throttle branch road and the second throttling branch road are connected in parallel; Said first throttle branch road comprises first capillary, is separately positioned on the control valve for refrigerant flow of the said first capillary both sides, and the said second throttling branch road comprises second capillary, is separately positioned on the control valve for refrigerant flow of the said second capillary both sides.
In the device of above-mentioned air conditioner capillary pipe match test, in the control valve for refrigerant flow of said first capillary and second entrance side capillaceous, one of them is a triple valve; In the control valve for refrigerant flow of said first capillary and said second outlet side capillaceous, one of them is a triple valve; Remaining flow control valve is a two-port valve.
In the device of above-mentioned air conditioner capillary pipe match test, said first capillary and said second entrance side capillaceous, the nut that outlet side is welded with to be threaded with said control valve for refrigerant flow.
In the device of above-mentioned air conditioner capillary pipe match test, said first breeches pipe and being connected to of said second breeches pipe and said control valve for refrigerant flow are welded to connect.
In the device of above-mentioned air conditioner capillary pipe match test, an end of said first breeches pipe is welded with nut, and an end of said second breeches pipe is connected with pipe joint.
The utility model compared with prior art has the following advantages and good effect:
1) sealing of two-way parallel connection, controlled stream have been created in circulatory system throttling place; One the tunnel is capillary use in the test; The capillary that another road is changed for preparation uses, and systemic circulation is not cut off in the whole capillary replacing process, and the poised state of air-conditioner and test operating mode is able to keep; Capillary after the replacing can be tested at once, thereby has shortened match time, increase work efficiency, greatly reduced the power consumption of match test;
2) owing to systemic circulation in the whole capillary replacing process is not cut off, compressor normally compresses, discharges, and has avoided the risk of compressor blast in the coupling capillary replacing process;
3) triple valve before and after the capillary is reserved with the interface that test of voltage supply power and refrigerant are adjusted, and for match test provides more multidata, experimental rig is practical more.
Description of drawings
Fig. 1 is the structural representation of existing air conditioner capillary pipe match test device;
Fig. 2 is the structural representation of the utility model air conditioner capillary pipe match test device.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
With reference to Fig. 2, Fig. 2 is the structural representation of the device of the utility model air conditioner capillary pipe match test.The device of the air conditioner capillary pipe match test that the utility model provides comprises first throttle branch road, the second throttling branch road and first breeches pipe 6, second breeches pipe 7 that first throttle branch road, the second throttling branch road are connected in parallel; The first throttle branch road comprises the flow control valve at first capillary 1 and two ends; The second throttling branch road comprises the flow control valve at second capillary 5 and two ends, and wherein flow control valve can be two-port valve 8 or triple valve 9.
What be connected with first breeches pipe 6 is two flow control valves in the first throttle branch road and the second throttling branch road respectively, and one of them is a two-port valve 8, and another is a triple valve 9.And what be connected with second breeches pipe 7 is two flow control valves in the first throttle branch road and the second throttling branch road respectively, and one of them is a two-port valve 8, and another is a triple valve 9.Like this, can guarantee that the entrance side of first capillary 1 and second capillary 5 and outlet side respectively have a triple valve 9, be used to test the high side pressure and the low-pressure lateral pressure of capillary front and back.
The other end of first breeches pipe 6 is welded with nut 10, is used to connect outdoor condenser, and the other end of second breeches pipe 7 is connected with pipe joint 11, is used to connect indoor machine evaporation.
First capillary 1 and second capillary 5 are that the test coupling is special-purpose, and their two ends are welded with nut, are convenient to connect and dismounting.For better good airproof performance, fixing reliable is arranged, first breeches pipe 6 is welded to connect with triple valve 9, two-port valve 8, and second breeches pipe 7 is welded to connect with triple valve 9, two-port valve 8.
During matching test, the device of the utility model air conditioner capillary pipe match test is connected with indoor set with off-premises station, first capillary 1 and second capillary 5 are wherein two in the capillary to be matched.When testing first capillary 1; Two-port valve at first capillary, 1 two ends 8 and triple valve 9 are transferred to full-gear, and the triple valve 9 at second capillary, 5 two ends are transferred to closed condition with two-port valve 8, when the test data of first capillary 1 not good; In the time of need adjusting to second capillary 5 and test; Earlier second capillary 5 is carried out emptying, tightens sealing with the connecting thread of triple valve 9 and two-port valve 8 again, the triple valve 9 with second capillary, 5 two ends transfers to full-gear with two-port valve 8 then, and the two-port valve 8 with first capillary, 1 two ends transfers to closed condition with triple valve 9 at last; First capillary 1 is pulled down, changed a new coupling and use capillary.Like this under the situation of not cutting off system's stream, replacing capillaceous just safety, accomplished rapidly.Circulation so repeatedly is till the data of test are satisfied.
In addition, in the test matching process, the plastic cement of the triple valve 9 remaining interfaces employing band thimbles before and after the capillary capable of using is taken over and is connected Pressure gauge, detects the pressure of capillary front and back, for match test provides more reference data; Also can adopt the plastic cement of band thimble to take over connection refrigerant jar, the interpolation of refrigerant when realizing heating operation.
Below only be the concrete exemplary applications of the utility model, the protection domain of the utility model is not constituted any limitation.Utility model can also have other embodiment except that the foregoing description.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the utility model scope required for protection.
Claims (5)
1. the device of an air conditioner capillary pipe match test; It is characterized in that: comprise first throttle branch road, the second throttling branch road and first breeches pipe and second breeches pipe that first throttle branch road and the second throttling branch road are connected in parallel; Said first throttle branch road comprises first capillary, is separately positioned on the control valve for refrigerant flow of the said first capillary both sides, and the said second throttling branch road comprises second capillary, is separately positioned on the control valve for refrigerant flow of the said second capillary both sides.
2. the device of air conditioner capillary pipe match test according to claim 1 is characterized in that: in the control valve for refrigerant flow of said first capillary and second entrance side capillaceous, one of them is a triple valve; In the control valve for refrigerant flow of said first capillary and said second outlet side capillaceous, one of them is a triple valve; Remaining flow control valve is a two-port valve.
3. the device of air conditioner capillary pipe match test according to claim 1 is characterized in that: said first capillary and said second entrance side capillaceous, the nut that outlet side is welded with to be threaded with said control valve for refrigerant flow.
4. the device of air conditioner capillary pipe match test according to claim 1 is characterized in that: said first breeches pipe and being connected to of said second breeches pipe and said control valve for refrigerant flow are welded to connect.
5. the device of air conditioner capillary pipe match test according to claim 1 is characterized in that: an end of said first breeches pipe is welded with nut, and an end of said second breeches pipe is connected with pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202887308U CN202166245U (en) | 2011-08-10 | 2011-08-10 | Matching test device for air-conditioner capillary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202887308U CN202166245U (en) | 2011-08-10 | 2011-08-10 | Matching test device for air-conditioner capillary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166245U true CN202166245U (en) | 2012-03-14 |
Family
ID=45802064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202887308U Expired - Fee Related CN202166245U (en) | 2011-08-10 | 2011-08-10 | Matching test device for air-conditioner capillary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291969A (en) * | 2013-06-18 | 2013-09-11 | Tcl空调器(中山)有限公司 | Air-conditioner performance adjustment connecting structure and device and method for adjusting air-conditioner performance |
| CN103836850A (en) * | 2012-11-20 | 2014-06-04 | 珠海格力电器股份有限公司 | Capillary tube matching tool |
| CN106440568A (en) * | 2016-12-08 | 2017-02-22 | 海信（山东）空调有限公司 | Circulating system throttling element matching device |
-
2011
- 2011-08-10 CN CN2011202887308U patent/CN202166245U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836850A (en) * | 2012-11-20 | 2014-06-04 | 珠海格力电器股份有限公司 | Capillary tube matching tool |
| CN103836850B (en) * | 2012-11-20 | 2016-05-11 | 珠海格力电器股份有限公司 | Capillary tube matching tool |
| CN103291969A (en) * | 2013-06-18 | 2013-09-11 | Tcl空调器(中山)有限公司 | Air-conditioner performance adjustment connecting structure and device and method for adjusting air-conditioner performance |
| CN106440568A (en) * | 2016-12-08 | 2017-02-22 | 海信（山东）空调有限公司 | Circulating system throttling element matching device |
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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: 20120314 Termination date: 20170810 |