CN202735023U - Internal pressure detection device of vacuum insulation plate - Google Patents
Internal pressure detection device of vacuum insulation plate Download PDFInfo
- Publication number
- CN202735023U CN202735023U CN 201220201347 CN201220201347U CN202735023U CN 202735023 U CN202735023 U CN 202735023U CN 201220201347 CN201220201347 CN 201220201347 CN 201220201347 U CN201220201347 U CN 201220201347U CN 202735023 U CN202735023 U CN 202735023U
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- vacuum
- vacuum chamber
- insulating plate
- chamber
- heat
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Abstract
An internal pressure detection device of a vacuum insulation plate comprises a detection bench, a lower vacuum chamber arranged on the detection bench and with an opening on the upper end, an upper vacuum chamber cooperated with the lower vacuum chamber and provided with a lower-end opening of a vacuum detection chamber, a vacuumizing device connected with the upper vacuum chamber and the lower vacuum chamber, a lifting device connected with and driving the upper vacuum chamber to ascend or descend relative to the lower vacuum chamber, a laser ranging device for measuring the barrier film deformation data of the vacuum insulation plate in the vacuum detection chamber, and an electric control device for controlling the work state of the lifting device, the vacuumizing device and the laser ranging device and calculating and processing the measured pressure and deformation data to obtain a detection result. According to the principle that the thermal insulation performance of the vacuum insulation plate is dependent on the internal pressure of the plate, the internal pressure of the vacuum insulation plate is detected to indirectly reflect the heat conduction coefficient, so as to detect whether the vacuum insulation plate is qualified or not, thus the internal pressure detection device is suitable for rapid detection in an industrialization production line.
Description
Technical field
The utility model relates to the vacuum heat-insulating plate checkout equipment, particularly a kind of vacuum heat-insulating plate equipment for detecting pressure inside.
Background technology
The vacuum heat-insulating plate English name is that Vacuum Insulat ion Panel(is called for short VIP), be a kind of new and effective thermal insulation material that development in recent years is got up, it forms by filling core (Core Material), gas barrier film (Gas Barrier) and getter (Getter).Vacuum tightness reduces the heat transmission that air causes in the plate by improving, and coefficient of heat conductivity is the 1/7-1/10 of traditional insulation material only, thereby reaches heat preservation energy-saving, joint space-efficient purpose.Extensively should be in field that refrigerator, Medical heat-preserving box, frozen products insulated container etc. are had relatively high expectations to insulation and the exterior-wall heat insulation of novel energy-saving construction.
At present, the production technology of vacuum heat-insulating plate makes some progress both at home and abroad, and has realized industrialization.In the prior art, be to measure the coefficient of heat conductivity of VIP by direct heat flow meter method for the quality of VIP heat-insulating property.But every plate of the every test of this method of testing needs the approximately time of 1h, and process is comparatively loaded down with trivial details, and is not suitable for volume production VIP detection.
The utility model content
Fundamental purpose of the present utility model is to overcome the above-mentioned shortcoming of prior art, propose a kind of by measuring the vacuum heat-insulating plate internal pressure, according to the relation of pressure and coefficient of heat conductivity, judge fast, reliably whether qualified vacuum heat-insulating plate equipment for detecting pressure inside of heat conductivity of vacuum insulation panel.
The utility model adopts following technical scheme:
A kind of vacuum heat-insulating plate equipment for detecting pressure inside, comprise monitor station, be arranged on the monitor station and the lower vacuum chamber of upper end open, the upper vacuum chamber that cooperates the lower ending opening that forms the vacuum detecting chamber with lower vacuum, the vacuum extractor that links to each other with vacuum chamber up and down is characterized in that: also include to connect and drive upper vacuum chamber and relatively descend vacuum chamber to rise or the jacking gear of decline, be used for measuring the laser ranging system and the control jacking gear that are in the vacuum heat-insulating plate Obstruct membrane deformation data in the vacuum detecting chamber, the duty of vacuum extractor and laser ranging system is also carried out the electrical control gear that computing obtains testing result with the pressure that records and deformation data.
Further, described vacuum extractor comprises and the vacuum pump of vacuum chamber up and down and vacuum meter and the motor that drives vacuum pump work.
Further, described jacking gear is cylinder, and described monitor station is equipped with the support of fixing this cylinder.
Further, described up and down opening of vacuum chamber end periphery forms respectively flange, is provided with O-ring seal in this flange.
Further, described laser ranging system is positioned at described upper vacuum chamber crown center position, for detection of the laser acquisition head to the distance of vacuum heat-insulating plate Obstruct membrane and deliver to described electrical control gear and calculate deformation quantity.
Further, described upper vacuum chamber sidewall is provided with view window.
Further, described upper vacuum chamber also is provided with lighting device.
Further, also be provided with display screen on the described monitor station, this display screen links to each other with described electrical control gear and is used for operation interface being provided and showing various detection data and testing result.
By above-mentioned to description of the present utility model as can be known, compared with prior art, the utlity model has following beneficial effect:
Vacuum heat-insulating plate equipment for detecting pressure inside of the present utility model, the principle that depends on the plate internal pressure according to the heat-insulating property of vacuum heat-insulating plate, indirectly reflect its coefficient of heat conductivity by test vacuum heat-insulating plate internal pressure, thus realization detection vacuum heat-insulating plate qualified function whether.Automatic detection function of the present utility model can Fast Measurement vacuum heat-insulating plate plate internal pressure, judges that whether vacuum heat-insulating plate is qualified, is applicable to the fast detecting in the industrialization production line.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below the utility model will be further described by embodiment.
With reference to Fig. 1, a kind of vacuum heat-insulating plate equipment for detecting pressure inside, comprise monitor station 1, be arranged on the monitor station 1 and the lower vacuum chamber 2 of upper end open, the upper vacuum chamber 3 that cooperates the lower ending opening that forms the vacuum detecting chamber with lower vacuum chamber 2, with vacuum chamber 2 up and down, 3 vacuum extractors that link to each other also include connection and drive the jacking gear 7 that upper vacuum chamber 3 descends vacuum chamber 2 to rise or descend relatively, be used for measuring the laser ranging system 6 and the control jacking gear 7 that are in the vacuum heat-insulating plate 5 Obstruct membrane deformation data in the vacuum detecting chamber, the duty of vacuum extractor and laser ranging system 6 is also carried out the electrical control gear that computing obtains testing result with the pressure that records and deformation data.Wherein, vacuum chamber 2,3 openend peripheries form respectively flange up and down, are provided with O-ring seal 9 in this flange.Vacuum extractor comprises via pipeline 14 and the vacuum pump 4 of up and down vacuum chamber 2,3 connections, the vacuum of measurement vacuum detecting cavity pressure takes into account the motor 8 that drives vacuum pump 4 work.Jacking gear 7 adopts cylinder, and monitor station 1 is equipped with the support 11 of fixing this cylinder.Laser ranging system 6 is positioned at vacuum chamber 3 crown center positions, for detection of the laser acquisition head to the distance of vacuum heat-insulating plate 5 Obstruct membranes and deliver to electrical control gear and calculate deformation quantity.Deformation situation for convenient observation vacuum heat-insulating plate 5 Obstruct membranes also can arrange view window 12 and lighting device 13 at upper vacuum chamber 3 sidewalls.
The utility model also is provided with display screen 10 on monitor station 1, this display screen 10 links to each other with electrical control gear and is used for operation interface being provided and showing various detection data and testing result, and electrical control gear comprises relay, solenoid valve, is arranged at pushbutton switch and corresponding analytical calculation software on the display screen.Take the glass fibre core, have the vacuum heat-insulating plate of four layers of Obstruct membrane as example, the utility model includes manual detecting pattern and autosensing mode, the pressure of moment comes the reference settings plate to be out of shape former and later two pressure parameters p when being out of shape by observe the vacuum heat-insulating plate Obstruct membrane under manual mode
1And p
2With a deflection parameter △ d, correlation parameter carries out autosensing mode after determining, only need after upper vacuum chamber rises, manually vacuum heat-insulating plate be put between the upper and lower vacuum chamber, electrical control gear just can carry out whether qualifiedly quick and precisely judging this plate after a series of actions.The specific works process is as follows:
Manual detecting pattern: upper vacuum chamber is risen in control cylinder work, select outward appearance good and coefficient of heat conductivity qualified vacuum heat-insulating plate after tested, the careful opening part that the vacuum insulation plate level is placed on the lower vacuum chamber, fall vacuum chamber so that vacuum heat-insulating plate be positioned over about between the vacuum chamber and guarantee that formed vacuum detecting chamber seals fully.Open extraction valve and begin to vacuumize and see through the variation that view window is observed Obstruct membrane, when vacuum test chamber internal pressure reached 20-25Pa, the vacuum heat-insulating plate Obstruct membrane began dilatational strain, can think that this moment, the plate internal pressure was 20-25Pa.Then close extraction valve, open gas filling valve and be filled with atmosphere to the vacuum detecting chamber, vacuum chamber in the rise takes out the vacuum heat-insulating plate sample.For such vacuum heat-insulating plate, but the parameter p of initialization system
1Be 50Pa, p
2Be 2Pa, deflection △ d is 2mm.
Automatic mode: put into above-mentioned vacuum heat-insulating plate, arrive respectively p at the vacuum detecting cavity pressure
1And p
2The time, electrical control gear control record the distance under this pressure and calculate vacuum screened film difference d be 1.25mm less than △ d, it is qualified that automatic decision goes out this plate, will the results are shown on the display screen.
In addition, exchange vacuum heat-insulating plate different and that measure coefficient of heat conductivity by heat flow meter method conductometer for and verify, find that the plate of coefficient of heat conductivity below 2.5mW/ (mK) all is judged as on-gauge plate.And the plate of coefficient of heat conductivity more than 2.5mW/ (mK) all is judged as defective plate, and the time of testing every plate at 1-2 minute, so this pick-up unit is specially adapted to judge fast, reliably in the industrialization vacuum heat-insulating plate quality.
Above-mentioned only is an embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (8)
1. vacuum heat-insulating plate equipment for detecting pressure inside, comprise monitor station, be arranged on the monitor station and the lower vacuum chamber of upper end open, the upper vacuum chamber that cooperates the lower ending opening that forms the vacuum detecting chamber with lower vacuum, the vacuum extractor that links to each other with vacuum chamber up and down is characterized in that: also include to connect and drive upper vacuum chamber and relatively descend vacuum chamber to rise or the jacking gear of decline, be used for measuring the laser ranging system and the control jacking gear that are in the vacuum heat-insulating plate Obstruct membrane deformation data in the vacuum detecting chamber, the duty electrical control gear of vacuum extractor and laser ranging system.
2. a kind of vacuum heat-insulating plate equipment for detecting pressure inside as claimed in claim 1 is characterized in that: described vacuum extractor comprises and the vacuum pump of vacuum chamber up and down and vacuum meter and the motor that drives vacuum pump work.
3. a kind of vacuum heat-insulating plate equipment for detecting pressure inside as claimed in claim 1 or 2, it is characterized in that: described jacking gear is cylinder, and described monitor station is equipped with the support of fixing this cylinder.
4. a kind of vacuum heat-insulating plate equipment for detecting pressure inside as claimed in claim 3 is characterized in that: described up and down opening of vacuum chamber end periphery forms respectively flange, is provided with O-ring seal in this flange.
5. such as claim 1 or 4 described a kind of vacuum heat-insulating plate equipment for detecting pressure insides, it is characterized in that: described laser ranging system is positioned at described upper vacuum chamber crown center position.
6. a kind of vacuum heat-insulating plate equipment for detecting pressure inside as claimed in claim 5, it is characterized in that: described upper vacuum chamber sidewall is provided with view window.
7. a kind of vacuum heat-insulating plate equipment for detecting pressure inside as claimed in claim 5, it is characterized in that: described upper vacuum chamber also is provided with lighting device.
8. such as claim 1 or 2 or 4 or 6 or 7 described a kind of vacuum heat-insulating plate equipment for detecting pressure insides, it is characterized in that: also be provided with display screen on the described monitor station, this display screen links to each other with described electrical control gear and is used for operation interface being provided and showing various detection data and testing result.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220201347 CN202735023U (en) | 2012-05-07 | 2012-05-07 | Internal pressure detection device of vacuum insulation plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220201347 CN202735023U (en) | 2012-05-07 | 2012-05-07 | Internal pressure detection device of vacuum insulation plate |
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CN202735023U true CN202735023U (en) | 2013-02-13 |
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ID=47660710
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CN 201220201347 Expired - Lifetime CN202735023U (en) | 2012-05-07 | 2012-05-07 | Internal pressure detection device of vacuum insulation plate |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103728084A (en) * | 2013-05-28 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Upper probe and lower probe detection system with position capable of being calibrated accurately and calibration method thereof |
CN106092436A (en) * | 2016-06-23 | 2016-11-09 | 南京凤源新材料科技有限公司 | A kind of vacuum heat-insulating plate internal pressure measurement device and method of testing thereof |
CN106197821A (en) * | 2016-06-24 | 2016-12-07 | 南京凤源新材料科技有限公司 | A kind of table full-automatic wireless remote control vacuum heat-insulating plate internal pressure measurement device |
CN107741436A (en) * | 2017-09-04 | 2018-02-27 | 上海海事大学 | Method of the water-bath against the thermal conductivity factor under different vacuums inside vacuum measurement VIP |
CN110017935A (en) * | 2019-04-18 | 2019-07-16 | 广东万和热能科技有限公司 | A kind of wind pressure sensor |
CN112461560A (en) * | 2019-09-09 | 2021-03-09 | 青岛海尔电冰箱有限公司 | Detection device and detection method for refrigerator with vacuum heat insulation plate |
CN114791332A (en) * | 2022-04-06 | 2022-07-26 | 安徽蓝格利通新材应用股份有限公司 | Automatic detection device for vacuum insulation panel |
-
2012
- 2012-05-07 CN CN 201220201347 patent/CN202735023U/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103728084A (en) * | 2013-05-28 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Upper probe and lower probe detection system with position capable of being calibrated accurately and calibration method thereof |
CN106092436A (en) * | 2016-06-23 | 2016-11-09 | 南京凤源新材料科技有限公司 | A kind of vacuum heat-insulating plate internal pressure measurement device and method of testing thereof |
CN106092436B (en) * | 2016-06-23 | 2019-01-04 | 苏州宏久航空防热材料科技有限公司 | A kind of vacuum heat-insulating plate internal pressure measurement device and its test method |
CN106197821A (en) * | 2016-06-24 | 2016-12-07 | 南京凤源新材料科技有限公司 | A kind of table full-automatic wireless remote control vacuum heat-insulating plate internal pressure measurement device |
CN107741436A (en) * | 2017-09-04 | 2018-02-27 | 上海海事大学 | Method of the water-bath against the thermal conductivity factor under different vacuums inside vacuum measurement VIP |
CN110017935A (en) * | 2019-04-18 | 2019-07-16 | 广东万和热能科技有限公司 | A kind of wind pressure sensor |
CN112461560A (en) * | 2019-09-09 | 2021-03-09 | 青岛海尔电冰箱有限公司 | Detection device and detection method for refrigerator with vacuum heat insulation plate |
CN114791332A (en) * | 2022-04-06 | 2022-07-26 | 安徽蓝格利通新材应用股份有限公司 | Automatic detection device for vacuum insulation panel |
CN114791332B (en) * | 2022-04-06 | 2023-09-15 | 安徽蓝格利通新材应用股份有限公司 | Automatic detection device for vacuum insulation panels |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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CX01 | Expiry of patent term |
Granted publication date: 20130213 |