CN110763413A - Product leakage detection device and detection method - Google Patents
Product leakage detection device and detection method Download PDFInfo
- Publication number
- CN110763413A CN110763413A CN201910980870.2A CN201910980870A CN110763413A CN 110763413 A CN110763413 A CN 110763413A CN 201910980870 A CN201910980870 A CN 201910980870A CN 110763413 A CN110763413 A CN 110763413A
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- Prior art keywords
- layer
- electrically connected
- heater
- detection device
- metal
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 7
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 230000003647 oxidation Effects 0.000 claims abstract description 3
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000005669 field effect Effects 0.000 claims description 2
- 229910052987 metal hydride Inorganic materials 0.000 abstract description 7
- 150000004681 metal hydrides Chemical class 0.000 abstract description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
Abstract
The invention relates to a product leakage detection device which is characterized by comprising a leakage detection device and a sealing box; the leakage detection device is communicated with the sealing box, and the sealing device comprises a metal hydride layer, a semiconductor chip, an MOSFET transistor, a heater, a temperature sensor and an external LED screen; the temperature sensor is electrically connected with the metal hydrogenation layer object and used for sensing the temperature of the metal hydrogenation layer object, the temperature sensor is electrically connected with the heater and used for controlling the heater to heat, and the heater heats the metal oxidation layer object; the metal oxide layer is electrically connected with the MOSFET transistor, the MOSFET transistor is electrically connected with the semiconductor chip, and the semiconductor chip is electrically connected with an external LED screen and an external working power supply; the metal hydrogenation layer material comprises a metal hydrogenation layer, an insulating layer, a conductive semiconductor temperature inversion layer and a conductor substrate from top to bottom in sequence. The air leakage detecting device has the advantages that whether air leakage occurs in the product can be accurately detected, and the product quality is improved.
Description
Technical Field
The invention relates to a leakage detection device and a detection method for a sealed product.
Background
At present, an inflatable pressure maintaining device is used for inflating a product in the industry, the inflation is stopped after the pressure inside the product reaches a set value, the pressure maintaining is carried out on the product, the tightness of the whole machine is judged through the change of the internal pressure of the product in the pressure maintaining process after the pressure maintaining is carried out for a period of time, the detection method cannot detect the product in the case of slight leakage, the problem of inaccurate pressure maintaining value is easily caused in the inflating and pressure maintaining process due to the problem of the internal structure of the product, and the detection method has the condition of misjudgment or leakage failure in detection and is not beneficial to the control of the product quality.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a leakage detection device and a detection method for a sealed product, which can accurately detect whether the inside of the product has a leakage phenomenon or not and improve the product quality.
In order to achieve the above object, the present invention is a leak detection device and a leak detection method for a sealed product, characterized by including a leak detection device and a seal box; the leakage detection device is communicated with the sealing box, and the sealing device comprises a metal hydride layer, a semiconductor chip, an MOSFET transistor, a heater, a temperature sensor and an external LED screen; the metal hydrogenation layer, the MOSFET transistor, the heater and the temperature sensor are all arranged on the semiconductor chip, the temperature sensor is electrically connected with the metal hydrogenation layer and used for sensing the temperature of the metal hydrogenation layer, the temperature sensor is electrically connected with the heater and used for controlling the heater to heat, and the heater heats the metal oxide layer; the metal oxide layer is electrically connected with an MOSFET transistor, the MOSFET transistor is electrically connected with a semiconductor chip, and the semiconductor chip is electrically connected with an external LED screen and an external working power supply; the metal hydrogenation layer material comprises a metal hydrogenation layer, an insulating layer, a conductive semiconductor temperature inversion layer and a conductor substrate from top to bottom in sequence.
In the technical scheme, an air guide channel is arranged at the bottom of the seal box, and a fan is arranged in the air guide channel.
In the technical scheme, the method comprises the following steps:
filling a product to be detected for leakage into mixed gas, wherein the mixed gas comprises 5% of hydrogen and 95% of nitrogen;
the internal gas of the sealed box is detected by a leakage detection device.
Compared with the prior art, the invention has the advantages that: whether the air leakage phenomenon exists in the product can be accurately detected, and the product quality is improved.
Drawings
FIG. 1 is a schematic view of the structure of the detecting unit of the present invention;
FIG. 2 is a schematic structural diagram of a metal hydride layer of the present invention;
FIG. 3 is a schematic view of the construction of the seal box of the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a sectional view a-a of fig. 4.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 5, the leakage detecting device and the detecting method for the product comprise a leakage detecting device and a sealing box 6; the leakage detection device is communicated with a sealing box 6, and the sealing device comprises a metal hydride layer 1, a semiconductor chip 2, an MOSFET transistor 3, a heater 4, a temperature sensor 5 and an external LED screen 7; the metal hydrogenation layer object 1, the MOSFET transistor 3, the heater 4 and the temperature sensor 5 are all arranged on the semiconductor chip 2, the temperature sensor 5 is electrically connected with the metal hydrogenation layer object 1 and used for sensing the temperature of the metal hydrogenation layer object 1, the temperature sensor 5 is electrically connected with the heater 4 and used for controlling the heater 4 to heat, and the heater 4 heats the metal oxidation layer object 1; the metal oxide layer 1 is electrically connected with the MOSFET (metal oxide semiconductor field effect transistor) 3, the MOSFET 3 is electrically connected with the semiconductor chip 2, and the semiconductor chip 2 is electrically connected with the external LED screen 7 and an external working power supply; the metal hydride layer material 1 comprises a metal hydride layer 11, an insulating layer 12, a conductive semiconductor temperature inversion layer 13 and a conductor substrate 14 in sequence from top to bottom.
The metal hydrogenation layer 11 absorbs external hydrogen atoms, charges are distributed and moved to form voltage, the voltage transmits electric signals to the semiconductor chip 2 through the MOSFET transistor 3, and the semiconductor chip 2 transmits the electric signals to the external LED screen 7, so that the purpose of leakage detection is achieved; the heater 4 heats the conductive semiconductor temperature inversion layer 13, so that the metal hydride layer 11 can better absorb hydrogen atoms. When hydrogen exists in the sealing box 6, the leakage detection device can sense and display on the LED screen 7.
In this embodiment, an air guide passage 61 is provided in the bottom of the seal box 6, and a fan 62 is provided in the air guide passage 61. The fan 62 in the air guide channel 61 is turned on, so that the air flow generated in the seal box 6 is better for product leakage detection.
In this embodiment, the method includes the following steps:
1. filling a product to be detected for leakage into mixed gas, wherein the mixed gas comprises 5% of hydrogen and 95% of nitrogen;
2. the internal gas of the seal box 6 is detected by a leak detector.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.
Claims (3)
1. A product leakage detection device is characterized by comprising a leakage detection device and a sealing box (6); the leakage detection device is communicated with a sealing box (6), and the sealing device comprises a metal hydrogenation layer object (1), a semiconductor chip (2), an MOSFET transistor (3), a heater (4), a temperature sensor (5) and an external LED screen (7); the metal hydrogenation layer object (1), the MOSFET transistor (3), the heater (4) and the temperature sensor (5) are all arranged on the semiconductor chip (2), the temperature sensor (5) is electrically connected with the metal hydrogenation layer object (1) and used for sensing the temperature of the metal hydrogenation layer object (1), the temperature sensor (5) is electrically connected with the heater (4) and used for controlling the heater (4) to heat, and the heater (4) heats the metal oxidation layer object (1); the metal oxide layer (1) is electrically connected with an MOSFET (metal oxide semiconductor field effect transistor) (3), the MOSFET (3) is electrically connected with a semiconductor chip (2), and the semiconductor chip (2) is electrically connected with an external LED screen (7) and an external working power supply; the metal hydrogenation layer material (1) comprises a metal hydrogenation layer (11), an insulating layer (12), a conductive semiconductor temperature inversion layer (13) and a conductor substrate (14) from top to bottom in sequence.
2. The leak detection device according to claim 1, characterized in that an air guide channel (61) is provided at the bottom of the seal box (6), and a fan (62) is provided in the air guide channel (61).
3. The method for detecting the product leakage of the leakage detecting device according to claim 1, which comprises the following steps:
(1) filling a product to be detected for leakage into mixed gas, wherein the mixed gas comprises 5% of hydrogen and 95% of nitrogen;
(2) the internal gas of the sealed box (6) is detected by a leakage detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980870.2A CN110763413A (en) | 2019-10-16 | 2019-10-16 | Product leakage detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910980870.2A CN110763413A (en) | 2019-10-16 | 2019-10-16 | Product leakage detection device and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110763413A true CN110763413A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910980870.2A Pending CN110763413A (en) | 2019-10-16 | 2019-10-16 | Product leakage detection device and detection method |
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| Country | Link |
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| CN (1) | CN110763413A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW452922B (en) * | 1999-06-25 | 2001-09-01 | Lucent Technologies Inc | Methods of fabricating an integrated circuit device with composite oxide dielectric |
| CN1558197A (en) * | 2004-02-12 | 2004-12-29 | 梁嘉麟 | High precision on-line leakage detecting facilities installed on product line and method thereof |
| US20050258051A1 (en) * | 2004-04-28 | 2005-11-24 | Alps Electric Co., Ltd. | Hydrogen sensor and method for detecting hydrogen |
| US20060042354A1 (en) * | 2004-08-26 | 2006-03-02 | Humboldt-Universitaet Zu Berlin | Semiconductor type hydrogen sensor, detection method and hydrogen detecting device |
| CN1788196A (en) * | 2004-03-18 | 2006-06-14 | 迈克纳斯公司 | Device for detecting a gas or gas mixture |
| CN202943253U (en) * | 2012-11-08 | 2013-05-22 | 沈阳中北真空磁电科技有限公司 | Rare-earth permanent magnet alloy hydrogen breaking continuous production equipment |
| CN203030158U (en) * | 2012-12-27 | 2013-07-03 | 博益(天津)气动技术研究所有限公司 | Hydrogen filter for detecting tiny leakage |
| CN205656159U (en) * | 2015-11-30 | 2016-10-19 | 中国电子科技集团公司第四十八研究所 | Hydrogen sensor core |
| CN206546261U (en) * | 2017-01-05 | 2017-10-10 | 顺德职业技术学院 | Humidifier atomization detection means |
| CN109781355A (en) * | 2019-01-29 | 2019-05-21 | 中氢新能技术有限公司 | A kind of airtight test method of fuel cell pile |
| CN110146232A (en) * | 2019-06-19 | 2019-08-20 | 北京科仪创新真空技术有限公司 | A kind of vacuum tank hydrogen test leak system and its operating method |
| CN211234883U (en) * | 2019-10-16 | 2020-08-11 | 顺德职业技术学院 | Product leakage detection device |
-
2019
- 2019-10-16 CN CN201910980870.2A patent/CN110763413A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW452922B (en) * | 1999-06-25 | 2001-09-01 | Lucent Technologies Inc | Methods of fabricating an integrated circuit device with composite oxide dielectric |
| CN1558197A (en) * | 2004-02-12 | 2004-12-29 | 梁嘉麟 | High precision on-line leakage detecting facilities installed on product line and method thereof |
| CN1788196A (en) * | 2004-03-18 | 2006-06-14 | 迈克纳斯公司 | Device for detecting a gas or gas mixture |
| US20050258051A1 (en) * | 2004-04-28 | 2005-11-24 | Alps Electric Co., Ltd. | Hydrogen sensor and method for detecting hydrogen |
| US20060042354A1 (en) * | 2004-08-26 | 2006-03-02 | Humboldt-Universitaet Zu Berlin | Semiconductor type hydrogen sensor, detection method and hydrogen detecting device |
| CN202943253U (en) * | 2012-11-08 | 2013-05-22 | 沈阳中北真空磁电科技有限公司 | Rare-earth permanent magnet alloy hydrogen breaking continuous production equipment |
| CN203030158U (en) * | 2012-12-27 | 2013-07-03 | 博益(天津)气动技术研究所有限公司 | Hydrogen filter for detecting tiny leakage |
| CN205656159U (en) * | 2015-11-30 | 2016-10-19 | 中国电子科技集团公司第四十八研究所 | Hydrogen sensor core |
| CN206546261U (en) * | 2017-01-05 | 2017-10-10 | 顺德职业技术学院 | Humidifier atomization detection means |
| CN109781355A (en) * | 2019-01-29 | 2019-05-21 | 中氢新能技术有限公司 | A kind of airtight test method of fuel cell pile |
| CN110146232A (en) * | 2019-06-19 | 2019-08-20 | 北京科仪创新真空技术有限公司 | A kind of vacuum tank hydrogen test leak system and its operating method |
| CN211234883U (en) * | 2019-10-16 | 2020-08-11 | 顺德职业技术学院 | Product leakage detection device |
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