CN105157960A - Capillary flow test device - Google Patents
Capillary flow test device Download PDFInfo
- Publication number
- CN105157960A CN105157960A CN201510237464.9A CN201510237464A CN105157960A CN 105157960 A CN105157960 A CN 105157960A CN 201510237464 A CN201510237464 A CN 201510237464A CN 105157960 A CN105157960 A CN 105157960A
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- CN
- China
- Prior art keywords
- air pressure
- testing conduit
- pressure regulator
- main pipeline
- test
- Prior art date
- 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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Abstract
The invention relates to a part performance detection device in refrigeration equipment, in particular to a capillary flow test device. The capillary flow test device comprises a frame and a test device apparatus disposed on the frame. The test device comprises a main tube air pressure gauge, a main tube air pressure regulating valve, a test tube air pressure gauge, a test tube air pressure regulating valve, a flow meter, an inflatable tube and a test tube. The main tube air pressure regulating valve is connected with a nitrogen source. The main tube air pressure gauge is installed at the rear end of the main tube air pressure regulating valve. The test tube air pressure regulating valve is connected with the main tube air pressure gauge through an air tube. The test tube air pressure gauge is installed at the rear end of the test tube pressure regulating valve. The inflatable tube is connected with the test tube air pressure gauge. The test tube is connected with the flow meter. According to the invention, the capillary flow test device is simple in structure and low in manufacturing cost, is only a quarter of the existing equipment, and is easy to operate, accurate in data, safe and reliable, and low in failure rate.
Description
Technical field
The present invention relates to the parts device for detecting performance in refrigeration plant, specifically a kind of capillary flow detector.
Background technology
Cooling cycle system is the important system in refrigeration plant, and kapillary is the crucial restriction device of one in cooling cycle system, when matching kapillary in process of production, the flow of kapillary and the operating mode of cooling cycle system must be made to match, otherwise the normal work of refrigeration system will be affected, and do not reach the refrigerating capacity of designing requirement.The capillary tube detection device purchased in the market, structure is very complicated, and production cost is high, and failure rate is high, brings burden to enterprise.
Summary of the invention
It is complicated that object of the present invention will solve existing capillary detection device structure exactly, and investment is large, and the problem that failure rate is high, provides a kind of capillary flow detector.
For solving the problems of the technologies described above, the present invention takes following technical scheme:
A kind of capillary flow detector, comprise frame and be located at the proving installation in described frame, described proving installation comprises main pipeline rain glass, main pipeline air pressure regulator, testing conduit rain glass, testing conduit air pressure regulator, flowmeter, gas ducting and testing conduit, described main pipeline air pressure regulator is connected with source nitrogen, described main pipeline rain glass is arranged on the rear end of main pipeline air pressure regulator, described testing conduit air pressure regulator is connected with main pipeline rain glass by tracheae, described testing conduit rain glass is arranged on the rear end of described testing conduit air pressure regulator, described gas ducting is connected with described testing conduit rain glass, described testing conduit is connected with described flowmeter.
Preferably, described flow counts suspended body flowmeter.
Preferably, slide scale is provided with on described flowmeter side.
Compared with prior art, beneficial effect of the present invention is:
Proving installation structure of the present invention is simple, and low cost of manufacture, is only 1/4th of existing equipment, easy and simple to handle, and accurate data is safe and reliable, failure rate is low.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is the main TV structure schematic diagram of the present invention.
Embodiment
Shown in accompanying drawing 1 and Fig. 2, a kind of capillary flow detector, comprise frame 1 and be located at the proving installation in described frame 1, described proving installation comprises main pipeline rain glass 2, main pipeline air pressure regulator 3, testing conduit rain glass 4, testing conduit air pressure regulator 5, flowmeter 6, gas ducting 7 and testing conduit 8, described main pipeline air pressure regulator 3 is connected with source nitrogen, described main pipeline rain glass 2 is arranged on the rear end of main pipeline air pressure regulator 3, described testing conduit air pressure regulator 5 is connected with main pipeline rain glass 2 by tracheae, described testing conduit rain glass 4 is arranged on the rear end of described testing conduit air pressure regulator 5, described gas ducting 7 is connected with described testing conduit rain glass 4, described testing conduit 8 is connected with described flowmeter 6.
Preferably, described flowmeter 6 is suspended body flowmeter.
Preferably, slide scale 9 is provided with on described flowmeter 6 side.
Specific embodiment, this device is connected with source nitrogen (nitrogen cylinder or nitrogen pipeline), main pipeline rain glass 2 is for showing the nitrogen pressure of source nitrogen (nitrogen cylinder or nitrogen pipeline), carry out preconditioning by main pipeline air pressure regulator 3 pairs of admission pressures, then regulated by the charge pressure of testing conduit air pressure regulator 5 to test gas ducting 7 according to the specification of test kapillary; Gas ducting 7 is arranged on the gas injection end of kapillary to be measured, and the outlet side of testing conduit 8 and kapillary to be measured, testing conduit 8 is connected with flowmeter 6, and flowmeter 6 is for showing the flow value of test.
For optimizing this device, slide scale 9 is provided with on flowmeter 6 side, slide scale 9 can move up and down and can be fixed on certain position, concrete fixed position is arranged according to the parameter of kapillary to be measured, and the spacing namely by observing ball float and slide scale 9 in test process judges that whether kapillary to be measured is qualified.
Proving installation structure of the present invention is simple, and low cost of manufacture, is only 1/4th of existing equipment, easy and simple to handle, and accurate data is safe and reliable, failure rate is low.
Claims (3)
1. a capillary flow detector, comprise frame and be located at the proving installation in described frame, it is characterized in that: described proving installation comprises main pipeline rain glass, main pipeline air pressure regulator, testing conduit rain glass, testing conduit air pressure regulator, flowmeter, gas ducting and testing conduit, described main pipeline air pressure regulator is connected with source nitrogen, described main pipeline rain glass is arranged on the rear end of main pipeline air pressure regulator, described testing conduit air pressure regulator is connected with main pipeline rain glass by tracheae, described testing conduit rain glass is arranged on the rear end of described testing conduit air pressure regulator, described gas ducting is connected with described testing conduit rain glass, described testing conduit is connected with described flowmeter.
2. a kind of capillary flow detector according to claim 1, is characterized in that: described flow counts suspended body flowmeter.
3. a kind of capillary flow detector according to claim 1 and 2, is characterized in that: be provided with slide scale on described flowmeter side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237464.9A CN105157960A (en) | 2015-05-11 | 2015-05-11 | Capillary flow test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237464.9A CN105157960A (en) | 2015-05-11 | 2015-05-11 | Capillary flow test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105157960A true CN105157960A (en) | 2015-12-16 |
Family
ID=54798896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510237464.9A Pending CN105157960A (en) | 2015-05-11 | 2015-05-11 | Capillary flow test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105157960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092920A (en) * | 2018-08-09 | 2018-12-28 | 苏州菲利达铜业有限公司 | A kind of process for processing capillary |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853144A (en) * | 1973-03-09 | 1974-12-10 | Univ Southern California | Flowmeter |
| JPS5788320A (en) * | 1980-11-21 | 1982-06-02 | Esutetsuku:Kk | Mass flow flowmeter |
| CN2847236Y (en) * | 2005-11-24 | 2006-12-13 | 山东省科学院海洋仪器仪表研究所 | Digital capillary flow detector |
| CN203323997U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Test device for blockage rate of refrigerator oil capillary of R600a freezer |
| CN203745161U (en) * | 2014-03-04 | 2014-07-30 | 国家电网公司 | SF6 gas positive pressure leak gas supply device |
| CN204255420U (en) * | 2014-11-11 | 2015-04-08 | 中国石油天然气股份有限公司 | Ultrasonic flow meter |
-
2015
- 2015-05-11 CN CN201510237464.9A patent/CN105157960A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853144A (en) * | 1973-03-09 | 1974-12-10 | Univ Southern California | Flowmeter |
| JPS5788320A (en) * | 1980-11-21 | 1982-06-02 | Esutetsuku:Kk | Mass flow flowmeter |
| CN2847236Y (en) * | 2005-11-24 | 2006-12-13 | 山东省科学院海洋仪器仪表研究所 | Digital capillary flow detector |
| CN203323997U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Test device for blockage rate of refrigerator oil capillary of R600a freezer |
| CN203745161U (en) * | 2014-03-04 | 2014-07-30 | 国家电网公司 | SF6 gas positive pressure leak gas supply device |
| CN204255420U (en) * | 2014-11-11 | 2015-04-08 | 中国石油天然气股份有限公司 | Ultrasonic flow meter |
Non-Patent Citations (3)
| Title |
|---|
| 冯利峰 等: "《毛细管气体流量特性研究》", 《制冷学报》 * |
| 王守俭: "《高压小流量气体的流量测量》", 《工业仪表与自动化装置》 * |
| 齐延峰 等: "《常温下氮气流过毛细管流量特性的实验研究和数学模拟》", 《真空与低压》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092920A (en) * | 2018-08-09 | 2018-12-28 | 苏州菲利达铜业有限公司 | A kind of process for processing capillary |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |