CN104374518A - Device and method for measuring vacuum degree inside vacuum thermal insulation panel - Google Patents
Device and method for measuring vacuum degree inside vacuum thermal insulation panel Download PDFInfo
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- CN104374518A CN104374518A CN201310348868.6A CN201310348868A CN104374518A CN 104374518 A CN104374518 A CN 104374518A CN 201310348868 A CN201310348868 A CN 201310348868A CN 104374518 A CN104374518 A CN 104374518A
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- vacuum
- insulating plate
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- vacuum heat
- thermal insulation
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Abstract
The invention discloses a device and method for measuring the vacuum degree inside a vacuum thermal insulation panel. The device comprises a detector, a connection line, a processor and a digital display. The detector sends ultrasonic waves to the vacuum thermal insulation panel and receives signals reflected by the vacuum thermal insulation panel. The processor processes and analyzes the reflected signals and converts the reflected signals into the vacuum degree to be displayed on the digital display. The device is quite high in measurement speed, and the vacuum degree value of the measured vacuum thermal insulation panel can be rapidly read. The measured value is accurate, and reliability is high. The operation method is simple, easy to master and capable of being frequently used.
Description
Technical field
The invention belongs to thermal insulation material field of engineering technology, specifically relate to a kind of device and the using method thereof of measuring vacuum heat-insulating plate internal vacuum.
Background technology
Along with growth in the living standard, people get more and more to the demand of freezing insulation.More and more extensive in the use of low temperature storage transport and refrigeration household appliances industry inside thermal conservation material.Simultaneously along with energy crisis, energy-conservationly become a worldwide problem.Vaccum thermal insulation technique is one insulation method very efficiently.Its primary structure is one piece of vacuum heat-insulating plate (VacuumInsulation, Panel, be called for short VIP), this plate outside surface is insulating film, there are core and drying agent and getter in inside, and inside is vacuum state, makes the factor of gas molecule heat conduction be eliminated like this, thus making adiabatic effect be much better than other thermal insulation materials, its heat transfer efficiency is 1/3 to 1/10 of conventional insulation material.External VIP technology has developed for many years, and we are still in the stage at the early-stage at this domestic technology.
Vacuum heat-insulating plate relies on significantly raising internal vacuum to realize thermal insulation, and its key made is except will being pumped into except extremely low atmospheric pressure in vacuum heat-insulating plate, within the whole vacuum heat-insulating plate cycle in serviceable life, in retaining plate, vacuum is an important technology.Therefore, the vacuum tightness how measuring vacuum insulation intralamellar part accurately and effectively just becomes a problem be badly in need of people and solved, and it has vital role for the heat-insulating property improving vacuum heat-insulating plate.
Publication number be CN101788364A patent of invention on disclose a kind of vacuum-ness detecting device of vacuum heat-insulating plate.Described in this patent, device comprises board, vacuum chamber and vacuum-pumping pipeline, and board upper articulation has lid, and lid is provided with breaking plant; Vacuum chamber comprises base plate, and base plate top is provided with test trough, and be provided with the elevating bracket carrying vacuum heat-insulating plate to be measured and the air bag being positioned at elevating bracket bottom in test trough, base plate bottom is provided with pick-up unit; Vacuum-pumping pipeline, comprises the first pipeline being communicated with described vacuum chamber and vacuum extractor, is communicated with the second pipeline of described air bag and vacuum extractor.The present invention can detect the vacuum tightness in vacuum heat-insulating plate plate, predicts its serviceable life, for evaluating the permanance of vacuum heat-insulating plate, ensures the energy-saving effect of energy saving building.
Publication number be CN202403868U utility model patent on disclose a kind of vacuum degree measuring equipment of vacuum heat-insulating plate.Be provided with vacuum heat-insulating plate internal resistance heating arrangement and vacuum heat-insulating plate external image harvester; Resistive heating device is provided with vacuum heat-insulating plate Inside coil induction installation and vacuum heat-insulating plate external drive inductive devices, induction installation is provided with inductive coil, temperature detect switch (TDS) and resistance, inductive coil is in series with a resistor, resistance is connected with temperature detect switch (TDS), resistance and temperature detect switch (TDS) are close to, and resistance is close on vacuum heat-insulating plate inwall; Drive coil induction installation is provided with serial communication modular, single chip control module and wireless power supply module, the coil of wireless power supply module and the inductive coil of vacuum insulation intralamellar part just right; Image collecting device is provided with infrared camera and display, and the input end of display is connected with the output terminal of infrared camera, and infrared camera faces the resistance being close to vacuum heat-insulating plate inwall, gathers the image being resistively heated final vacuum heat-insulating shield outer wall at any time.
Above-mentioned publication provides the method for Measurement accuracy vacuum heat-insulating plate vacuum tightness from different perspectives, but apparatus structure is too complicated, and operation steps is also more loaded down with trivial details, is unfavorable for that large-scale actual production and large-scale popularization use.Therefore, the device inventing simple, the easy to operate measurement vacuum heat-insulating plate internal vacuum of a kind of structure is necessary.
Summary of the invention
Object of the present invention is intended to overcome the deficiencies in the prior art, provides a kind of structure simple, easy to operate and can the device of Quick Measurement vacuum heat-insulating plate internal vacuum.
The technical scheme adopted for realizing object of the present invention is: provide a kind of device measuring vacuum heat-insulating plate internal vacuum, this device comprises: detector 10, connecting line 20, processor 30, digital display 40.Detector is launched ultrasound wave to vacuum heat-insulating plate and is received the signal be reflected back, and processor carries out Treatment Analysis to this signal and convert vacuum tightness to being presented on digital display.
Described device, it is characterized in that detector is for launching and receiving ultrasound wave, shape is cylinder, and diameter is 10 ~ 200mm, and height is 5 ~ 100mm.
Described device, is characterized in that the signal of processor for the treatment of gained, and shape is rectangular parallelepiped, and length is 10 ~ 300mm, and wide is 5 ~ 250mm, and height is 5 ~ 250mm.
Described device, it is characterized in that connecting line is for connecting detector and processor, length is 1 ~ 20m.
Described device, is characterized in that digital display is positioned at processor side, and shape is rectangle, and length is 5 ~ 100mm, and wide is 2 ~ 60mm.
Described device, is characterized in that power is 10 ~ 1000W.
The invention also discloses a kind of method using the said equipment to measure vacuum heat-insulating plate internal vacuum, concrete technology step is as follows:
(1) this device is placed in parallel in 10 ~ 50cm place above distance vacuum heat-insulating plate;
(2) starter gear, detector is to vacuum heat-insulating plate transmitting ultrasound wave and the signal penetrated is returned in reception;
(3) connecting line by gained signal transmission to processor;
(4) processor is to gained signal analysis and processing, obtains vacuum degree;
(5) vacuum degree on digital display after Graphics Processing.
Effect: the present invention compared with prior art, has the following advantages:
(1) measuring speed is very fast, can read the vacuum degree of surveyed vacuum heat-insulating plate fast;
(2) measured value is relatively more accurate, and reliability is larger;
(3) method of operating is simple, easily grasps and uses in a large number.
Accompanying drawing explanation
Fig. 1 is a kind of device measuring vacuum heat-insulating plate internal vacuum of the present invention.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims and limited.
Embodiment
With reference to Fig. 1, a kind of device measuring vacuum heat-insulating plate internal vacuum described in the present embodiment comprises detector 10, connecting line 20, processor 30, digital display 40.Wherein, diameter detector is 100mm, and height is 30mm; Connection line length is 4m; Processor is long is 200mm, and wide is 150mm, and height is 150mm; Digital display is long is 20mm, wide for 15mm power be 200W.
When using this measurement device vacuum heat-insulating plate internal vacuum, concrete technology step is as follows:
(1) this device is placed in parallel in 30cm place above distance vacuum heat-insulating plate;
(2) starter gear, detector is launched ultrasound wave to vacuum heat-insulating plate and is received the signal of reflection;
(3) connecting line by gained signal transmission to processor;
(4) processor is to gained signal analysis and processing, obtains vacuum degree;
(5) vacuum degree on digital display after Graphics Processing.
The above embodiment, it is only preferred embodiment of the present invention, be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.In every case be the content not departing from technical solution of the present invention, any type of simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (7)
1. measure a device for vacuum heat-insulating plate internal vacuum, it is characterized in that this device comprises: detector, connecting line, processor, digital display.
2. device according to claim 1, it is characterized in that detector is for launching and received ultrasonic signal, shape is cylinder, and diameter is 10 ~ 200mm, and height is 5 ~ 100mm.
3. device according to claim 1, is characterized in that the signal of processor for the treatment of gained, and shape is rectangular parallelepiped, and length is 10 ~ 300mm, and wide is 5 ~ 250mm, and height is 5 ~ 250mm.
4. device according to claim 1, it is characterized in that connecting line is for connecting detector and processor, length is 1 ~ 20m.
5. device according to claim 1, is characterized in that digital display is positioned at processor side, and shape is rectangle, and length is 5 ~ 100mm, and wide is 2 ~ 60mm.
6. device according to claim 1, is characterized in that this rating of set is 10 ~ 1000W.
7. use the said equipment to measure a method for vacuum heat-insulating plate internal vacuum, concrete technology step is as follows:
(1) this device is placed in parallel in 10 ~ 50cm place above distance vacuum heat-insulating plate;
(2) starter gear, detector is launched ultrasound wave to vacuum heat-insulating plate and is received the signal of reflection;
(3) connecting line by gained signal transmission to processor;
(4) processor is to gained signal analysis and processing, obtains vacuum degree;
(5) vacuum degree on digital display after Graphics Processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348868.6A CN104374518A (en) | 2013-08-12 | 2013-08-12 | Device and method for measuring vacuum degree inside vacuum thermal insulation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348868.6A CN104374518A (en) | 2013-08-12 | 2013-08-12 | Device and method for measuring vacuum degree inside vacuum thermal insulation panel |
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| Publication Number | Publication Date |
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| CN104374518A true CN104374518A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310348868.6A Pending CN104374518A (en) | 2013-08-12 | 2013-08-12 | Device and method for measuring vacuum degree inside vacuum thermal insulation panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107680873A (en) * | 2017-10-31 | 2018-02-09 | 国网山西省电力公司临汾供电公司 | A kind of device of Ultrasonic Nondestructive vacuum tube vacuum-degree |
| CN107863267A (en) * | 2017-10-31 | 2018-03-30 | 国网山西省电力公司临汾供电公司 | A kind of method of ultrasonic method Non-Destructive Testing ceramic vacuum arc-chutes vacuum |
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| CN1945297A (en) * | 2006-10-23 | 2007-04-11 | 厦门高特高新材料有限公司 | Method for detecting baffle film leakage rate for vacuum heat insulation board |
| CN101788443A (en) * | 2010-01-29 | 2010-07-28 | 翟传伟 | Prediction method for service life of vacuum thermal-insulation plate |
| CN101788364A (en) * | 2010-01-29 | 2010-07-28 | 翟传伟 | Vacuum-degree detection device of vacuum thermal-insulation plate |
| CN102062666A (en) * | 2010-11-17 | 2011-05-18 | 糜强 | Vacuum degree detecting method and device for vacuum heat insulating plate |
| CN102661474A (en) * | 2012-05-23 | 2012-09-12 | 苏州维艾普新材料有限公司 | Device for packaging vacuum heat insulating plate on site |
| CN203100971U (en) * | 2012-12-28 | 2013-07-31 | 青岛科瑞新型环保材料有限公司 | Built-in vacuum degree detecting device for vacuum insulation board |
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2013
- 2013-08-12 CN CN201310348868.6A patent/CN104374518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945297A (en) * | 2006-10-23 | 2007-04-11 | 厦门高特高新材料有限公司 | Method for detecting baffle film leakage rate for vacuum heat insulation board |
| CN101788443A (en) * | 2010-01-29 | 2010-07-28 | 翟传伟 | Prediction method for service life of vacuum thermal-insulation plate |
| CN101788364A (en) * | 2010-01-29 | 2010-07-28 | 翟传伟 | Vacuum-degree detection device of vacuum thermal-insulation plate |
| CN102062666A (en) * | 2010-11-17 | 2011-05-18 | 糜强 | Vacuum degree detecting method and device for vacuum heat insulating plate |
| CN102661474A (en) * | 2012-05-23 | 2012-09-12 | 苏州维艾普新材料有限公司 | Device for packaging vacuum heat insulating plate on site |
| CN203100971U (en) * | 2012-12-28 | 2013-07-31 | 青岛科瑞新型环保材料有限公司 | Built-in vacuum degree detecting device for vacuum insulation board |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107680873A (en) * | 2017-10-31 | 2018-02-09 | 国网山西省电力公司临汾供电公司 | A kind of device of Ultrasonic Nondestructive vacuum tube vacuum-degree |
| CN107863267A (en) * | 2017-10-31 | 2018-03-30 | 国网山西省电力公司临汾供电公司 | A kind of method of ultrasonic method Non-Destructive Testing ceramic vacuum arc-chutes vacuum |
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Application publication date: 20150225 |