CN110095239A - Refrigerator refrigerant non-return valve air-tightness detection device and detection method - Google Patents
Refrigerator refrigerant non-return valve air-tightness detection device and detection method Download PDFInfo
- Publication number
- CN110095239A CN110095239A CN201910457133.4A CN201910457133A CN110095239A CN 110095239 A CN110095239 A CN 110095239A CN 201910457133 A CN201910457133 A CN 201910457133A CN 110095239 A CN110095239 A CN 110095239A
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- CN
- China
- Prior art keywords
- air
- copper pipe
- valve body
- return valve
- detected
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
Abstract
The present invention provides a kind of refrigerator refrigerant non-return valve air-tightness detection device and detection methods, including station, air pump, pressure gauge, solenoid valve, detect copper pipe and air flow meter, the pressure gauge, solenoid valve, air flow meter is each attached on station, air pump, pressure gauge, solenoid valve, detection copper pipe and air flow meter are sequentially communicated by a plurality of connection hose, solenoid valve is connected with control switch, station includes support plate, support plate is equipped with communicating pipe, communicating pipe one end is connect by connecting hose with solenoid valve, detection copper pipe one end is fixedly connected by connection hose with air flow meter, the detection copper pipe other end is detachably connected with the communicating pipe other end.The refrigerator refrigerant non-return valve air-tightness detection device structure is simple, is not take up space, easy to operate, at low cost；The testing process of the detection method is simpler, and detection accuracy is higher, substantially increases detection effect and detection efficiency, and then improve production efficiency.
Description
Technical field
The present invention relates to refrigerator manufacturing field more particularly to a kind of refrigerator refrigerant non-return valve air-tightness detection device and inspections
Survey method.
Background technique
It is designed with refrigerant non-return valve in the cooling system of refrigerator at present, and non-return valve is the copper pipe that cooling system is arranged in
Interior, non-return valve can place refrigerant adverse current, mostly very high with the air-tightness requirement to non-return valve, in process of production with regard to needs pair
The valve body of non-return valve carries out air-leakage test, and only qualified product just can be mounted into refrigerator.
Current structure of the detecting device is complicated, and bulky, cost is very high, and it is also more numerous to detect step
It is trivial, result in production efficiency to reduce in this way.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides one kind to carry out fastly to check valve body air-tightness
The refrigerator refrigerant non-return valve air-tightness detection device and detection method of speed detection.
The present invention provides a kind of refrigerator refrigerant non-return valve air-tightness detection devices, including station, air pump, pressure
Table, solenoid valve, detection copper pipe and air flow meter, the pressure gauge, solenoid valve, air flow meter are each attached to the station
On, the air pump, pressure gauge, solenoid valve, detection copper pipe and air flow meter are sequentially communicated by a plurality of connection hose, the electricity
Magnet valve is connected with control switch, and the station includes support plate, and the support plate is equipped with communicating pipe, and described communicating pipe one end is logical
It crosses the connection hose to connect with the solenoid valve, described detection copper pipe one end passes through the connection hose and the air mass flow
Meter is fixedly connected, and the detection copper pipe other end is detachably connected with the communicating pipe other end.
As a further improvement of the present invention, the station further includes supporting leg and bracket, and the support plate is fixed on institute
It states on supporting leg, the branch is set up in the support plate side and connect with the supporting leg, the pressure gauge, solenoid valve and air
Flowmeter is each attached on the bracket.
As a further improvement of the present invention, one end that the communicating pipe connect with the detection copper pipe is equipped with locking machine
Structure.
As a further improvement of the present invention, the control switch is foot-operated control switch.
As a further improvement of the present invention, the limiting section being adapted to check valve body is equipped in the detection copper pipe.
As a further improvement of the present invention, the pressure gauge is the pressure gauge with air oil water separator.
The present invention also provides a kind of refrigerator refrigerant non-return valve air-tightness detection methods, including above-mentioned refrigerator refrigerant
Check valve body air-tightness detection device and following steps:
Step S1: check valve body to be detected is placed in natural air drying in air；
Step S2: the check valve body to be detected after air-drying is put into the container equipped with pure water and is boiled；
Step S3: the check valve body to be detected boiled is dried；
Step S4: the check valve body to be detected after drying is installed in the test copper pipe, and will test copper pipe with it is described
Communicating pipe connection；
Step S5: mutually being detected by air pump and be pressurized to 4.5KG in copper pipe, and the numerical value of the air flow meter is observed, and numerical value is lower than
Then check valve body air-tightness to be detected is qualified by 65m3/h, is otherwise unqualified.
As a further improvement of the present invention, in step S1, check valve body to be detected is placed in natural air drying ten in air
Two hours.
As a further improvement of the present invention, in step S2, the temperature of pure water controls between 90 DEG C -95 DEG C and will be to
Detection check valve body boils one hour.
As a further improvement of the present invention, in step S3, check valve body to be detected passes through oven with 65 DEG C of temperature
It is two hours dry to carry out baking.
The beneficial effects of the present invention are: the refrigerator refrigerant non-return valve air-tightness detection device structure is simple, it is not take up sky
Between, it is easy to operate, it is at low cost；The testing process of the detection method is simpler, and detection accuracy is higher, substantially increases detection effect
And detection efficiency, and then improve production efficiency.
Detailed description of the invention
Fig. 1 is refrigerator refrigerant non-return valve air-tightness detection device of the present invention；
Fig. 2 is the flow chart of refrigerator refrigerant non-return valve air-tightness detection method of the present invention.
Appended drawing reference: 11- support plate；12- supporting leg；13- bracket；2- air pump；3- pressure gauge: 4- solenoid valve；5- air stream
Meter；6- detects copper pipe；7- communicating pipe；8- control switch.
Specific embodiment
As shown in Figure 1, the invention discloses a kind of refrigerator refrigerant non-return valve air-tightness detection device, including station,
Air pump 2, pressure gauge 3, solenoid valve 4, detection copper pipe 6 and air flow meter 5, the pressure gauge 3, solenoid valve 4, air flow meter 5
It is each attached on the station, the air pump 2, pressure gauge 3, solenoid valve 4, detection copper pipe 6 and air flow meter 5 pass through a plurality of
Connection hose is sequentially communicated, and the solenoid valve 4 is connected with control switch 8, and the station includes support plate 11, the support plate
11 are equipped with communicating pipe 7, and described 7 one end of communicating pipe is connect by the connection hose with the solenoid valve 4, the detection copper pipe 6
One end is fixedly connected by the connection hose with the air flow meter 5,6 other end of detection copper pipe and the communicating pipe
7 other ends are detachably connected, one end peace connecting check valve body to be detected with communicating pipe 7 from detection copper pipe 6 when use
It is loaded into, opens air pump 2 and control switch 8, the air of preset pressure is transported to detection copper pipe by pressure gauge 3, solenoid valve 4
In 6, detection 6 other end of copper pipe connect with air flow meter 5, if control flowmeter numerical value in claimed range if illustrate to
It is qualified to detect check valve body, otherwise just illustrates unqualified, the apparatus structure is simple, is not take up space, easy to operate, cost
It is low.
In the present embodiment, the station further includes supporting leg 12 and bracket 13, and the support plate 11 is fixed on the supporting leg
On 12, the bracket 13 is set to and 11 side of support plate and connect with the supporting leg 12, the pressure gauge 3, solenoid valve 4 and
Air flow meter 5 is each attached on the bracket 13 so that it is convenient to the connection of each components and effectively fixed, easy disassembly and
It uses.
In the present embodiment, one end that the communicating pipe 7 connect with the detection copper pipe 6 is equipped with retaining mechanism, convenient to inspection
Being locked for copper pipe 6 is surveyed, guarantees that junction will not gas leakage in experiment.
In the present embodiment, the control switch 8 is foot-operated control switch, facilitates operation.
In the present embodiment, it is equipped with the limiting section being adapted to check valve body in the detection copper pipe 6, makes itself and refrigerator in this way
Interior copper pipe structure is identical, is adapted to its check valve body and reaches non-return effect.
In the present embodiment, the pressure gauge 3 is the pressure gauge 3 with air oil water separator, can reduce interference, guarantee
The optimum efficiency of detection.
As shown in Fig. 2, the invention also discloses a kind of refrigerator refrigerant non-return valve air-tightness detection methods, including above-mentioned
Refrigerator refrigerant check valve body air-tightness detection device and following steps:
Step S1: check valve body to be detected is placed in natural air drying in air, natural cooling can guarantee detection effect；
Step S2: the check valve body to be detected after air-drying is put into the container equipped with pure water and is boiled, valve can be effectively removed
Body stress；
Step S3: the check valve body to be detected boiled is dried, evaporating water；
Step S4: the check valve body to be detected after drying is installed in the test copper pipe, and will test copper pipe 6 with it is described
Communicating pipe 7 connects；
Step S5: it is detected in copper pipe 6 by 2 phase of air pump and is pressurized to 4.5KG, observe the numerical value of the air flow meter 5, numerical value is low
In 65m3/h, then check valve body air-tightness to be detected is qualified, and otherwise to be unqualified, which is higher than refrigerator inner refrigerant
Actual pressure can guarantee the up to standard of examination criteria.
In the present embodiment, in step sl, check valve body to be detected is placed in natural air drying 12 hours in air, guarantees
Being fully cooled for check valve body to be detected is dried.
In the present embodiment, in step s 2, the temperature of pure water controls between 90 DEG C -95 DEG C and by non-return valve to be detected
Valve body boils one hour, can preferably go de-stress.
In the present embodiment, in step s3, check valve body to be detected carries out baking with 65 DEG C of temperature by oven and does
Dry two hours, its drying effect in this way was more preferable.
The detection method of refrigerator refrigerant non-return valve air-tightness of the present invention, testing process is simpler, and detection accuracy is higher,
Detection effect and detection efficiency are substantially increased, and then improves production efficiency.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of refrigerator refrigerant non-return valve air-tightness detection device, it is characterised in that: including station, air pump, pressure gauge, electricity
Magnet valve, detection copper pipe and air flow meter, the pressure gauge, solenoid valve, air flow meter are each attached on the station, institute
It states air pump, pressure gauge, solenoid valve, detection copper pipe and air flow meter to be sequentially communicated by a plurality of connection hose, the solenoid valve
It is connected with control switch, the station includes support plate, and the support plate is equipped with communicating pipe, and described communicating pipe one end passes through institute
It states connection hose to connect with the solenoid valve, described detection copper pipe one end is solid by the connection hose and the air flow meter
Fixed connection, the detection copper pipe other end are detachably connected with the communicating pipe other end.
2. refrigerator refrigerant non-return valve air-tightness detection device according to claim 1, it is characterised in that: the station
Further include supporting leg and bracket, the support plate is fixed on the supporting leg, the branch be set up in the support plate side and with institute
Supporting leg connection is stated, the pressure gauge, solenoid valve and air flow meter are each attached on the bracket.
3. refrigerator refrigerant non-return valve air-tightness detection device according to claim 1, it is characterised in that: the communicating pipe
The one end connecting with the detection copper pipe is equipped with retaining mechanism.
4. refrigerator refrigerant non-return valve air-tightness detection device according to claim 1, it is characterised in that: the control is opened
Closing is foot-operated control switch.
5. refrigerator refrigerant non-return valve air-tightness detection device according to claim 1, it is characterised in that: the detection copper
The limiting section being adapted to check valve body is equipped in pipe.
6. refrigerator refrigerant non-return valve air-tightness detection device according to claim 1, it is characterised in that: the pressure gauge
For the pressure gauge with air oil water separator.
7. a kind of refrigerator refrigerant non-return valve air-tightness detection method, which is characterized in that including described in claim any one of 1-6
Refrigerator refrigerant check valve body air-tightness detection device and following steps:
Step S1: check valve body to be detected is placed in natural air drying in air；
Step S2: the check valve body to be detected after air-drying is put into the container equipped with pure water and is boiled；
Step S3: the check valve body to be detected boiled is dried；
Step S4: the check valve body to be detected after drying is installed in the test copper pipe, and will test copper pipe with it is described
Communicating pipe connection；
Step S5: mutually being detected by air pump and be pressurized to 4.5KG in copper pipe, and the numerical value of the air flow meter is observed, and numerical value is lower than
Then check valve body air-tightness to be detected is qualified by 65m3/h, is otherwise unqualified.
8. refrigerator refrigerant non-return valve air-tightness detection method according to claim 6, it is characterised in that: in step S1,
Check valve body to be detected is placed in natural air drying 12 hours in air.
9. refrigerator refrigerant non-return valve air-tightness detection method according to claim 6, it is characterised in that: in step S2,
The temperature of pure water controls between 90 DEG C -95 DEG C and boils check valve body to be detected one hour.
10. refrigerator refrigerant non-return valve air-tightness detection method according to claim 6, it is characterised in that: in step S3,
Check valve body to be detected carries out baking drying two hours with 65 DEG C of temperature by oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457133.4A CN110095239A (en) | 2019-05-29 | 2019-05-29 | Refrigerator refrigerant non-return valve air-tightness detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457133.4A CN110095239A (en) | 2019-05-29 | 2019-05-29 | Refrigerator refrigerant non-return valve air-tightness detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110095239A true CN110095239A (en) | 2019-08-06 |
Family
ID=67449602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910457133.4A Pending CN110095239A (en) | 2019-05-29 | 2019-05-29 | Refrigerator refrigerant non-return valve air-tightness detection device and detection method |
Country Status (1)
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| CN (1) | CN110095239A (en) |
Citations (6)
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|---|---|---|---|---|
| CA2388884A1 (en) * | 2001-05-31 | 2002-11-30 | Asahi Glass Company, Limited | Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production |
| CN202928760U (en) * | 2012-10-30 | 2013-05-08 | 新源动力股份有限公司 | Leak detection device of fuel cell film electrode |
| CN203069376U (en) * | 2013-03-04 | 2013-07-17 | 黄河水利委员会黄河水利科学研究院 | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe |
| CN205038044U (en) * | 2015-10-20 | 2016-02-17 | 中国石油化工股份有限公司 | Testboard of PV valve cracking pressure and leakproofness test |
| CN206348118U (en) * | 2016-12-29 | 2017-07-21 | 金卡智能集团股份有限公司 | One kind detection gas meter valve sealing device |
| CN108088029A (en) * | 2017-11-24 | 2018-05-29 | 重庆赛格尔汽车配件有限公司 | A kind of leakage detection method of air-conditioning copper pipe |
-
2019
- 2019-05-29 CN CN201910457133.4A patent/CN110095239A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2388884A1 (en) * | 2001-05-31 | 2002-11-30 | Asahi Glass Company, Limited | Membrane-electrode assembly for solid polymer electrolyte fuel cells and process for its production |
| CN202928760U (en) * | 2012-10-30 | 2013-05-08 | 新源动力股份有限公司 | Leak detection device of fuel cell film electrode |
| CN203069376U (en) * | 2013-03-04 | 2013-07-17 | 黄河水利委员会黄河水利科学研究院 | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe |
| CN205038044U (en) * | 2015-10-20 | 2016-02-17 | 中国石油化工股份有限公司 | Testboard of PV valve cracking pressure and leakproofness test |
| CN206348118U (en) * | 2016-12-29 | 2017-07-21 | 金卡智能集团股份有限公司 | One kind detection gas meter valve sealing device |
| CN108088029A (en) * | 2017-11-24 | 2018-05-29 | 重庆赛格尔汽车配件有限公司 | A kind of leakage detection method of air-conditioning copper pipe |
Non-Patent Citations (1)
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| 陶俊卫等: "Q9000 二次补气阀试验台测试系统简介", 《检验测量》 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190806 |
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| RJ01 | Rejection of invention patent application after publication |