CN204214610U - Liquid sight glass test device - Google Patents
Liquid sight glass test device Download PDFInfo
- Publication number
- CN204214610U CN204214610U CN201420736828.9U CN201420736828U CN204214610U CN 204214610 U CN204214610 U CN 204214610U CN 201420736828 U CN201420736828 U CN 201420736828U CN 204214610 U CN204214610 U CN 204214610U
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- CN
- China
- Prior art keywords
- liquid
- passage
- sighting glass
- channel
- control valve
- 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.)
- Expired - Fee Related
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 93
- 239000011521 glass Substances 0.000 title claims abstract description 67
- 239000007788 liquid Substances 0.000 title abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 34
- 229910052757 nitrogen Inorganic materials 0.000 description 17
- 239000003507 refrigerant Substances 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001558 permutation test Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model provides a look liquid mirror test device, include: the test tube is internally provided with a channel, and openings at two ends of the channel are respectively used for arranging the liquid sight glasses to be detected; the channel control valve is arranged in the channel so that the channel forms a first channel and a second channel, and the channel control valve controls the first channel and the second channel to be isolated from or communicated with each other; and the two testing parts are respectively communicated with the first channel and the second channel. The utility model discloses a look liquid mirror test device is convenient for carry out the gas tightness simultaneously to 2 look liquid mirrors and detect and the resistance to pressure is experimental, and then can improve work efficiency.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of liquid-sighting glass test unit.
Background technology
The liquid-sighting glass used in large commercial air-conditioner set screw compressor is one of unit strength member, and liquid-sighting glass is mainly convenient to " important window " of observing unit inside liquid level state.Liquid-sighting glass is sintered by the matrix of carbon steel material and glass mirror to form, and the impermeability on its glass mirror and composition surface and requirement of withstand voltage are important technical requirements.Need before liquid-sighting glass being used for complete machine to carry out testing experiment to the impermeability of liquid-sighting glass and compressive resistance, meet standard-required rear and can be used for final assembly, avoid occurring after sale the quality problems such as system leak and the explosion of liquid-sighting glass eyeglass.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of liquid-sighting glass test unit of increasing work efficiency.
To achieve these goals, the utility model provides a kind of liquid-sighting glass test unit, and comprising: testing tube, inside has passage, and the opening part at the two ends of passage is respectively used to arrange liquid-sighting glass to be detected; Vent control valve, is arranged on to make passage form first passage and second channel in passage, vent control valve control first passage and second channel mutually isolated or be interconnected; Two test departments, are connected with second channel with first passage respectively.
Further, vent control valve is positioned at the centre position of the axial direction of passage.
Further, two liquid-sighting glass are removably connected to the both ends open place of passage.
Further, liquid-sighting glass tightness test device also comprises: switch protection portion, to be arranged on testing tube and to be connected with vent control valve.
Further, liquid-sighting glass tightness test device also comprises tensimeter, and tensimeter is connected with first passage.
Further, test department comprises fluorinfused nozzle.
Further, vent control valve is cut-off ball valve.
Further, liquid-sighting glass tightness test device also comprises bracing frame, and bracing frame is connected to the lower surface of testing tube.
Further, bracing frame comprises: the first bracing frame, is positioned at the below of first passage; Second bracing frame, is positioned at the below of second channel and is arranged at the both sides of vent control valve symmetrically with the first bracing frame.
Application the technical solution of the utility model, provide a kind of liquid-sighting glass test unit, liquid-sighting glass test unit comprises testing tube, vent control valve and two test departments.Testing tube inside has passage, and the opening part at the two ends of passage is respectively used to arrange liquid-sighting glass to be detected.Vent control valve is arranged on to make passage form first passage and second channel in passage, vent control valve control first passage and second channel mutually isolated or be interconnected.Two test departments are connected with second channel with first passage respectively.Passage, is vacuumized first passage and second channel isolation by two test departments by vent control valve by liquid-sighting glass test unit of the present utility model, and then by two test departments respectively to being filled with such as nitrogen and refrigerant in passage.Air-leakage test and compression resistance test can be carried out to 2 liquid-sighting glass so simultaneously, and then can increase work efficiency.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the one-piece construction being in open mode according to the cut-off valve ball of liquid-sighting glass test unit of the present utility model; And
Fig. 2 shows the one-piece construction being in closed condition according to the cut-off valve ball of liquid-sighting glass test unit of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, testing tube; 11, first passage; 12, second channel;
20, liquid-sighting glass;
30, vent control valve;
40, test department;
50, tensimeter;
60, bracing frame; 61, the first bracing frame; 62, the second bracing frame;
70, switch protection portion.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, the utility model provides a kind of liquid-sighting glass test unit.
Particularly, liquid-sighting glass test unit comprises testing tube 10, vent control valve 30 and two test departments 40.Testing tube 10 inside has passage, and the opening part at the two ends of passage is respectively used to arrange liquid-sighting glass 20 to be detected, and liquid-sighting glass 20 is 2 altogether.Vent control valve 30 is arranged in passage to make passage form first passage 11 and second channel 12, as shown in Figure 1, vent control valve 30 can control shown first passage 11 and second channel 12 is interconnected, and as shown in Figure 2, vent control valve 30 can control first passage 11 and second channel 12 is mutually isolated.Two test departments 40 are connected with second channel 12 with first passage 11 respectively, first passage 11 are provided with a test department 40, second channel 12 are provided with a test department 40.
First passage 11 and second channel 12 are isolated by vent control valve 30 by liquid-sighting glass test unit of the present utility model, are vacuumized by passage by two test departments 40, and then by two test departments 40 respectively to being filled with such as nitrogen and refrigerant in passage.Air-leakage test and compression resistance test can be carried out to 2 liquid-sighting glass so simultaneously, and then can increase work efficiency.
Further, test department 40 comprises fluorinfused nozzle.Vacuum pump can be connected by the evacuating air in the passage of device from fluorinfused nozzle, make to be in vacuum state in passage.Certainly, the required refrigerant of experiment can also be filled with by fluorinfused nozzle place.
As depicted in figs. 1 and 2, liquid-sighting glass tightness test device also comprises bracing frame 60, and bracing frame 60 is connected to the lower surface of testing tube 10.Bracing frame 60 has the more stable function that testing tube 10 is arranged, and is carrying out in the process of testing especially, and in order to ensure the accuracy of test result, whole device needs are stable not to be rocked.
Further, bracing frame 60 comprises the first bracing frame 61 and the second bracing frame 62.First bracing frame 61, is positioned at the below of first passage 11.Second bracing frame 62, is positioned at the below of second channel 12.First bracing frame 61 and the second bracing frame 62 are arranged at the both sides of vent control valve 30 symmetrically.
As shown in Figure 1, vent control valve 30 is positioned at the centre position of the axial direction of passage, is convenient to the charge of control nitrogen and refrigerant and is convenient to control test process.Further, vent control valve 30 is cut-off ball valve, the simple and convenient operation of cut-off ball-valve structure.
As shown in Figure 1, two liquid-sighting glass 20 are removably connected to the both ends open place of passage, such as clamping or be threaded.
As depicted in figs. 1 and 2, liquid-sighting glass tightness test device also comprises switch protection portion 70, and switch protection portion 70 to be arranged on testing tube 10 and to be connected with vent control valve 30.Switch protection portion 70 is for control and protection vent control valve 30, safe and reliable.
Further, liquid-sighting glass tightness test device also comprises tensimeter 50, and tensimeter 50 is connected with first passage 11.First passage 11 and second channel 12 mutually isolated time, tests for being filled with nitrogen in first passage 11.When test impermeability and voltage-withstand test, can directly read pressure value in liquid-sighting glass tightness test device from tensimeter 50.In system, tensimeter 50 can monitor force value in liquid-sighting glass tightness test device in real time, provides exact test test pressure value.
As shown in Figure 2, when the cut-off ball valve of centre is in closed condition, first passage 11 and second channel 12 can be divided into separately nitrogen system and coolant system, can test separately single medium.
The utility model provides a kind of preferred embodiment, specific as follows:
As depicted in figs. 1 and 2, the liquid-sighting glass 20 first need tested rotates and is screwed on liquid-sighting glass test unit.The opening part at the left and right two ends of the passage of testing tube 10 is respectively screwed into a liquid-sighting glass 20, because liquid-sighting glass 20 and liquid-sighting glass test unit rely on the thread contact at the both ends open place of the passage of liquid-sighting glass test unit to seal, so need to use spanner urgent, namely liquid-sighting glass 20 is threaded with access portal place.Again by the switch rotary of the cut-off ball valve in the centre position of the passage of device, make cut-off ball valve be in open mode, connect vacuum pump by evacuating air in passage from fluorinfused nozzle, make to be in vacuum state in the passage of device.Vacuumize the connecting pipe of recession from vacuum pump and fluorinfused nozzle in the passage of device, rotate end ball valve switch make cut-off ball valve as shown in Figure 2 be in closed condition, now the first passage 11 of liquid-sighting glass test unit and second channel 12 do not communicate.First passage 11 is nitrogen system, and second channel 12 is coolant system.Pour nitrogen from nitrogen system fluorinfused nozzle, now tensimeter (pressure gage measuring range selects 0-20Mpa specification) will show nitrogen pressure force value in liquid-sighting glass test unit nitrogen system, continue the nitrogen pressure force value being forced into standard-required.Pour the required refrigerant of test from coolant system fluorinfused nozzle, coolant system answers the full refrigerant of tank, pours into connecting pipe and withdraw from fluorinfused nozzle after the full refrigerant of coolant system tank.Cut-off ball valve in the middle of device is slowly opened and makes ball valve be in open mode as shown in Figure 1, now first passage 11 is connected with second channel 12, namely nitrogen system and coolant system communicate, in passage, medium is the potpourri of nitrogen and refrigerant, and pressurize detects liquid-sighting glass 20 eyeglass after 1 minute does not have crackle and seepage.Certainly, liquid-sighting glass voltage-withstand test also can pour nitrogen separately from the fluorinfused nozzle of nitrogen system, is forced into the nitrogen pressure force value of standard-required, and detecting liquid-sighting glass has flawless and seepage.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
1, single test with air-leakage test and the compression resistance test carrying out 2 liquid-sighting glass, can be able to be increased work efficiency;
2, nitrogen system and coolant system can be split up into separate payment;
3, in system, tensimeter can monitor the force value in liquid-sighting glass test unit in real time, provides exact test test pressure value.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a liquid-sighting glass test unit, is characterized in that, comprising:
Testing tube (10), inside has passage, and the opening part at the two ends of described passage is respectively used to arrange liquid-sighting glass (20) to be detected;
Vent control valve (30), be arranged on to make described passage form first passage (11) and second channel (12) in described passage, described vent control valve (30) control described first passage (11) and described second channel (12) mutually isolated or be interconnected;
Two test departments (40), are connected with described second channel (12) with described first passage (11) respectively.
2. liquid-sighting glass test unit according to claim 1, is characterized in that, described vent control valve (30) is positioned at the centre position of the axial direction of described passage.
3. liquid-sighting glass test unit according to claim 1, is characterized in that, described two liquid-sighting glass (20) are removably connected to the both ends open place of described passage.
4. liquid-sighting glass test unit according to claim 1, is characterized in that, described liquid-sighting glass tightness test device also comprises:
Switch protection portion (70), is arranged at described testing tube (10) and goes up and be connected with described vent control valve (30).
5. liquid-sighting glass test unit according to claim 1, is characterized in that, described liquid-sighting glass tightness test device also comprises tensimeter (50), and described tensimeter (50) is connected with described first passage (11).
6. liquid-sighting glass test unit according to claim 1, is characterized in that, described test department (40) comprises fluorinfused nozzle.
7. liquid-sighting glass test unit according to claim 1, is characterized in that, described vent control valve (30) is cut-off ball valve.
8. liquid-sighting glass test unit according to claim 2, is characterized in that, described liquid-sighting glass tightness test device also comprises bracing frame (60), and support frame as described above (60) is connected to the lower surface of described testing tube (10).
9. liquid-sighting glass test unit according to claim 8, is characterized in that, support frame as described above (60) comprising:
First bracing frame (61), is positioned at the below of described first passage (11);
Second bracing frame (62), is positioned at the below of described second channel (12) and is arranged at the both sides of described vent control valve (30) symmetrically with described first bracing frame (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736828.9U CN204214610U (en) | 2014-11-27 | 2014-11-27 | Liquid sight glass test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736828.9U CN204214610U (en) | 2014-11-27 | 2014-11-27 | Liquid sight glass test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214610U true CN204214610U (en) | 2015-03-18 |
Family
ID=52983275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736828.9U Expired - Fee Related CN204214610U (en) | 2014-11-27 | 2014-11-27 | Liquid sight glass test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204214610U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231149A (en) * | 2019-06-28 | 2019-09-13 | 华为技术有限公司 | Optical wavefront measurement system and optical wavefront method for measurement |
| CN113834608A (en) * | 2021-11-25 | 2021-12-24 | 常州市鹤翔机械有限公司 | Liquid sight lens airtightness and pressure resistance detection equipment |
-
2014
- 2014-11-27 CN CN201420736828.9U patent/CN204214610U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231149A (en) * | 2019-06-28 | 2019-09-13 | 华为技术有限公司 | Optical wavefront measurement system and optical wavefront method for measurement |
| CN113834608A (en) * | 2021-11-25 | 2021-12-24 | 常州市鹤翔机械有限公司 | Liquid sight lens airtightness and pressure resistance detection equipment |
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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: 20150318 Termination date: 20211127 |