CN202533221U - Measurement device for interlayer vacuum degree of all-glass vacuum heat-collecting tube - Google Patents
Measurement device for interlayer vacuum degree of all-glass vacuum heat-collecting tube Download PDFInfo
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- CN202533221U CN202533221U CN2012201246857U CN201220124685U CN202533221U CN 202533221 U CN202533221 U CN 202533221U CN 2012201246857 U CN2012201246857 U CN 2012201246857U CN 201220124685 U CN201220124685 U CN 201220124685U CN 202533221 U CN202533221 U CN 202533221U
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Abstract
Disclosed in the utility model is a measurement device for an interlayer vacuum degree of an all-glass vacuum heat-collecting tube. The measurement device comprises a vacuum chamber, a vacuum degree measurement system, a vacuum degree obtaining system, and a tube opening device. Four channels are arranged in the vacuum chamber; a channel I is connected with a to-be-measured heat-collecting tube; a channel II is connected with the vacuum degree obtaining system; a channel III is connected with the vacuum degree measurement system; and a channel IV is connected with the tube opening device. A contact probe is installed at the top end of the tube opening device; and the contact position is matched with the tail position of the to-be-measured heat-collecting tube. Connection portions of all channels of the vacuum chamber are in sealed connection. The vacuum degree obtaining system includes a mechanical pump and a molecular pump; and the vacuum degree measurement system includes a film capacitance gauge and a display instrument. According to the utility model, the pressure intensity inside the sealed vacuum chamber before and the after the tube opening is measured so as to obtain the vacuum degree in the vacuum interlayer of the all-glass vacuum heat-collecting tube; therefore, vacuum performances of a vacuum heat-collecting tube newly produced and a vacuum heat-collecting tube that has been used for many years can be measured, thereby further analyzing the service life of the vacuum heat-collecting tube.
Description
Technical field
The utility model relates to the solar energy heat collection pipe technical field, relates in particular to a kind of all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism.
Background technology
In the process of research all-glass vacuum thermal-collecting tube performance; Often use the vacuum tightness of vacuum heat collection pipe vacuum interlayer; Producing at present to go up generally adopts the vacuum tube outer wall to connect the layer vacuum that the vacuum meter blind pipe is measured vacuum heat collection pipe; The defective that this method exists is, the vacuum tightness of the vacuum heat collection pipe vacuum interlayer that can only be used to test, energy measurement is normal after using makes troubles for the assessment of vacuum heat collection pipe performance and the aspects such as reckoning in normal serviceable life.
Summary of the invention
The purpose of the utility model is exactly to adopt the vacuum tube outer wall to connect the vacuum tightness that the vacuum meter blind pipe is measured the vacuum heat collection pipe vacuum interlayer after normal use of not energy measurement that the layer vacuum of vacuum heat collection pipe exists in order to solve prior art, the problem of making troubles in the assessment of giving the vacuum heat collection pipe performance and the aspects such as reckoning in normal serviceable life; A kind of all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism is provided; Through measuring the indoor pressure of open pipe front and back airtight vacuum, draw the vacuum tightness in the all-glass vacuum thermal-collecting tube vacuum interlayer, the vacuum performance of the vacuum heat collection pipe after can measuring new production and using for many years, and then the serviceable life of analysis vacuum heat collection pipe.
To achieve these goals, the utility model adopts following technical scheme:
A kind of all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism; Comprise that vacuum chamber, vacuum measurement system, vacuum tightness obtain system, open pipe device; Vacuum chamber is provided with four passages, and wherein the passage I is connected with vacuum heat collection pipe to be measured, and the passage II is connected with vacuum tightness acquisition system; The passage III is connected with the vacuum measurement system, and the passage IV is connected with the open pipe device, and contact pilotage is equipped with on open pipe device top, and stylus position cooperates with the tail point of vacuum heat collection pipe to be measured; Each passage junction of said vacuum chamber is for being tightly connected.
Said vacuum tightness acquisition system comprises mechanical pump, molecular pump.
Said vacuum measurement system comprises thin-film electro content regulation and display instrument.
Said vacuum chamber upside is provided with view window.View window is used for observing the damaged situation of vacuum heat collection pipe tail point in the open pipe process.
Be provided with vacuum valve between said vacuum chamber and the vacuum tightness acquisition system.Vacuum valve is closed back, vacuum chamber and thermal-collecting tube to be measured and is formed an airtight space.
Diamond stylus is equipped with on said open pipe device top.Diamond stylus is used for smashing vacuum tube tail point.
Said each passage junction is provided with the silica gel sealing ring sealing.To keep the favorable sealing property of each sealing station.
Said vacuum chamber adopts stainless steel, the inside surface polishing of vacuum chamber, surface roughness Ra 0.8.
Vacuum heat collection pipe to be measured is of a size of 100mm in the said vacuum chamber.
The utility model principle of work: the utility model comprises that vacuum chamber, vacuum measurement system, vacuum tightness obtain system, open pipe device.Vacuum chamber is provided with four passages, and wherein the passage I is connected with vacuum heat collection pipe to be measured, and the passage II is connected with vacuum tightness acquisition system; The passage III is connected with the vacuum measurement system, and the passage IV is provided with the open pipe device, and diamond stylus is equipped with on open pipe device top, and stylus position cooperates to smash vacuum tube tail point with the tail point of vacuum heat collection pipe to be measured; Each passage junction of said vacuum chamber is for being tightly connected.Vacuum tightness obtains system by the molecular pump pumping high vacuum; Said vacuum chamber side is provided with view window, is used for observing the damaged situation of vacuum heat collection pipe tail point in the open pipe process; Be provided with vacuum valve between said vacuum chamber and the vacuum tightness acquisition system, vacuum valve is closed, and makes vacuum chamber and thermal-collecting tube to be measured form an airtight space; All seal points of said vacuum chamber adopt silica gel sealing ring sealing, favorable sealing property.Adopt vacuum tightness acquisition system to vacuumize during use, after mechanical pump is extracted into certain pressure intensity in advance, open the molecular pump pumping high vacuum, treat that the pressure in the vacuum chamber reaches 10
-4Behind the order of magnitude; Close and form an airtight space between vacuum valve, vacuum chamber and the vacuum heat collection pipe to be measured; The measured pressure data of record vacuum measurement system; Open pipe device and vacuum chamber are tightly connected, and open pipe device top diamond stylus smashes the afterbody of vacuum heat collection pipe to be measured, and record smashes the measured pressure of vacuum heat collection pipe final vacuum degree measuring system.Through the pressure data before and after the open pipe, obtain the vacuum tightness of vacuum heat collection pipe vacuum interlayer.
The beneficial effect of the utility model: solved the deficiency that exists in the prior art; For the vacuum tightness performance of checking vacuum heat collection pipe provides a kind of reliable proving installation; The vacuum performance of the vacuum heat collection pipe after can measuring new production and using for many years, and then the serviceable life of analysis vacuum heat collection pipe.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: 1. vacuum heat collection pipe to be measured; 2. view window; 3. vacuum chamber; 4. vacuum tightness test macro; 5. vacuum valve; 6. vacuum tightness obtains system; 7. open pipe device.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
A kind of all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism comprises that vacuum chamber 3, vacuum measurement system 4, vacuum tightness obtain system 6, open pipe device 7.Vacuum chamber 3 is provided with four passages, and wherein the passage I is connected with vacuum heat collection pipe 1 to be measured, and the passage II obtains system 6 with vacuum tightness and is connected; The passage III is connected with vacuum measurement system 4, and the passage IV is connected with open pipe device 7, and contact pilotage is equipped with on open pipe device 7 tops, and stylus position cooperates with the tail point of vacuum heat collection pipe to be measured.Each passage junction of said vacuum chamber 3 is for being tightly connected.Said vacuum tightness obtains system 6 and comprises mechanical pump, molecular pump.Said vacuum measurement system 4 comprises thin-film electro content regulation and display instrument.Said vacuum chamber 3 upsides are provided with view window 2, and view window 2 is used for observing the damaged situation of vacuum heat collection pipe tail point in the open pipe process.Said vacuum chamber 3 and vacuum tightness obtain to be provided with vacuum valve 5 between the system 4, and said vacuum valve 5 is closed, and make vacuum chamber 3 and thermal-collecting tube 1 to be measured form an airtight space; Diamond stylus is equipped with on said open pipe device 7 tops, and diamond stylus is used for smashing vacuum tube tail point; Said each passage junction is provided with the silica gel sealing ring sealing.Said vacuum chamber 3 adopts stainless steel, the inside surface polishing of said stainless-steel vacuum chamber, surface roughness Ra 0.8.Vacuum heat collection pipe 1 to be measured is of a size of 100mm in the said vacuum chamber 3.During use vacuum heat collection pipe 1 to be measured is tightly connected with vacuum chamber 3; The length of vacuum heat collection pipe 1 to be measured is 100mm and good seal in the vacuum chamber 3; Adopt vacuum tightness to obtain system 6 and vacuumize, mechanical pump is opened the molecular pump pumping high vacuum after being extracted into certain pressure intensity in advance, treats that the pressure in the vacuum chamber 3 reaches 10
-4Behind the order of magnitude; Close vacuum valve 5; Form an airtight space between vacuum chamber 3 and the vacuum heat collection pipe to be measured 1, the pressure data that record vacuum measurement system 4 is measured, open pipe device 7 is tightly connected with vacuum chamber 3; Open pipe device 7 top diamond stylus smash the afterbody of vacuum heat collection pipe 1 to be measured, and record smashes the measured pressure of vacuum heat collection pipe 1 final vacuum degree measuring system 4.Through the pressure data before and after the open pipe, obtain the vacuum tightness of vacuum heat collection pipe vacuum interlayer.
Though the above-mentioned accompanying drawing that combines is described the embodiment of utility model; But be not restriction to the utility model protection domain; One of ordinary skill in the art should be understood that; On the basis of the technical scheme of the utility model, those skilled in the art need not pay various modifications that creative work can make or distortion still in the protection domain of the utility model.
Claims (9)
1. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism; It is characterized in that comprise that vacuum chamber, vacuum measurement system, vacuum tightness obtain system, open pipe device, vacuum chamber is provided with four passages; Wherein the passage I is connected with vacuum heat collection pipe to be measured, and the passage II is connected with vacuum tightness acquisition system; The passage III is connected with the vacuum measurement system, and the passage IV is connected with the open pipe device, and contact pilotage is equipped with on open pipe device top, and stylus position cooperates with the tail point of vacuum heat collection pipe to be measured; Each passage junction of said vacuum chamber is for being tightly connected.
2. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, said vacuum tightness acquisition system comprises mechanical pump, molecular pump.
3. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, said vacuum measurement system comprises thin-film electro content regulation and display instrument.
4. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that said vacuum chamber upside is provided with view window.
5. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, is provided with vacuum valve between said vacuum chamber and the vacuum tightness acquisition system.
6. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, diamond stylus is equipped with on said open pipe device top.
7. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, said each passage junction is provided with the silica gel sealing ring sealing.
8. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that, said vacuum chamber adopts stainless steel, the inside surface polishing of vacuum chamber, surface roughness Ra 0.8.
9. all-glass vacuum thermal-collecting tube layer vacuum measurement mechanism as claimed in claim 1 is characterized in that vacuum heat collection pipe to be measured is of a size of 100mm in the said vacuum chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246857U CN202533221U (en) | 2012-03-29 | 2012-03-29 | Measurement device for interlayer vacuum degree of all-glass vacuum heat-collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201246857U CN202533221U (en) | 2012-03-29 | 2012-03-29 | Measurement device for interlayer vacuum degree of all-glass vacuum heat-collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202533221U true CN202533221U (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201246857U Expired - Fee Related CN202533221U (en) | 2012-03-29 | 2012-03-29 | Measurement device for interlayer vacuum degree of all-glass vacuum heat-collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202533221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677154A (en) * | 2013-11-28 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Intelligent heat pipe |
| CN109534667A (en) * | 2018-12-20 | 2019-03-29 | 沧州天瑞星光热技术有限公司 | A kind of device and method being connect for vacuum gauge with collector tube glass outer tube |
| CN110398075A (en) * | 2019-08-15 | 2019-11-01 | 中国科学院电工研究所 | Groove type solar heat-collecting pipe vacuum device for measuring properties |
-
2012
- 2012-03-29 CN CN2012201246857U patent/CN202533221U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677154A (en) * | 2013-11-28 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Intelligent heat pipe |
| CN109534667A (en) * | 2018-12-20 | 2019-03-29 | 沧州天瑞星光热技术有限公司 | A kind of device and method being connect for vacuum gauge with collector tube glass outer tube |
| CN109534667B (en) * | 2018-12-20 | 2024-03-05 | 北京天瑞星光热技术有限公司 | Device and method for connecting vacuum gauge pipe with heat collecting pipe glass outer pipe |
| CN110398075A (en) * | 2019-08-15 | 2019-11-01 | 中国科学院电工研究所 | Groove type solar heat-collecting pipe vacuum device for measuring properties |
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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: 20121114 Termination date: 20160329 |