CN201355301Y - Air tightness detection equipment - Google Patents
Air tightness detection equipment Download PDFInfo
- Publication number
- CN201355301Y CN201355301Y CNU2009201298421U CN200920129842U CN201355301Y CN 201355301 Y CN201355301 Y CN 201355301Y CN U2009201298421 U CNU2009201298421 U CN U2009201298421U CN 200920129842 U CN200920129842 U CN 200920129842U CN 201355301 Y CN201355301 Y CN 201355301Y
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Abstract
The utility model relates to equipment which can conduct air tightness detection of outdoor leakage resistant equipment. The air tightness detection equipment comprises an air charging device, a detection device, a control device and a power supply, wherein, one end of the air charging device is communicated with a pneumatic pressure source, and the other end thereof is communicated with a product to be measured; the detection device communicated with the product is used for detecting the air pressure of the product and sending the air pressure detection result to the control device; the control device electrically connected with the air charging device and the detection device is used for controlling the open and close of the air charging device and those of the detection device, receiving the pressure detection result sent by the detection device, and confirming whether the air tightness of the product is qualified; and the power supply including a battery is used for providing working power supply for the air charging device, the detection device and the control device. The utility model has the advantage that the outdoor use is convenient.
Description
Technical field
The utility model relates to a kind of equipment of test chamber sealing, relates in particular to a kind of communication system outdoor base station that can be, and the outdoor water-tight equipment that needs such as cat head two-way amplifier carries out the air tightness detection equipment that impermeability detects.
Background technology
In, waterproof dustproof at some, the leakage-preventing equipment, very high to the sealing requirements of cavity, if poor sealing will have a strong impact on work efficiency, security and the reliability of these equipment, therefore the sealing to these equipment detects just necessary.And present sealing checkout equipment adopts the mode of water inspection mostly, is about to product and puts into water, observes the bubbles volume that produces, and this mode can't be applicable to that communication system outdoor base station, cat head two-way amplifier etc. can not contact the product of water.
At present, the sealing that detection can not contact the product to be measured of water generally adopts impermeability to detect, promptly by after in the housing that a certain amount of gas is poured product to be measured, whether the air pressure change value that detects product to be measured in the certain hour surpasses predetermined maximum gas pressure difference, judges whether the sealing of product to be measured is qualified.
A kind of checkout equipment and detection method that is used for the testing product sealing disclosed in No. the 200610149800.5th, the Chinese patent application, it adopts the impermeability detection mode, comprise solenoid valve, pick-up unit and control device, its principle of work is: open solenoid valve, the gas that gas pressure source is come out feeds in the housing of product to be measured by solenoid valve, pick-up unit detects the atmospheric pressure value in the product shell to be measured in real time simultaneously, obtain testing result and it is sent to control device, when the air pressure in the product shell to be measured reaches preset value, described closed electromagnetic valve, described control device picks up counting simultaneously, described pick-up unit continues to detect and give described control device testing result, described control device judges whether the maximum gas pressure changing value in the product shell to be measured surpasses predetermined maximum difference in the schedule time, judges whether the sealing of described product to be measured is qualified.But this checkout equipment need connect indoor socket power when using, and is unfavorable for outdoor application, is difficult to detect outdoor leakage-preventing equipment such as communication system outdoor base station, cat head two-way amplifier.And this checkout equipment can not spontaneous aerogenesis body, need carry in addition during use and is connected gas pressure source, exists operation complicated, carries inconvenient problem.
The utility model content
The purpose of this utility model is to provide a kind of air tightness detection equipment of being convenient to outdoor application.
For achieving the above object, first kind of technical scheme of the present utility model adopts following structure:
A kind of air tightness detection equipment is used to detect the impermeability of product to be measured, comprising:
Aerating device, an end is communicated with gas pressure source, and the other end is communicated with described product to be measured, is used for to described product inflation to be measured;
Pick-up unit is communicated with described product to be measured, is used to detect the air pressure of described product to be measured, obtains the air pressure testing result and sends;
Control device, be electrically connected with described aerating device and pick-up unit, be used to control the switching of described aerating device and pick-up unit, the air pressure testing result that reception is sent by described pick-up unit, whether qualified whether the air pressure change value of determining described product to be measured in the predetermined amount of time surpasses the maximum gas pressure difference, obtain impermeability the judged result of described product to be measured thus;
Power supply is used to described aerating device, pick-up unit and control device that working power is provided;
Wherein, described power supply comprises battery.
In the more excellent embodiment, described power supply also comprises external power supply and selector switch, and described selector switch controls described battery or external power supply provides working power for described aerating device, pick-up unit and control device.
In the more excellent embodiment, described battery is a rechargeable battery.
In the more excellent embodiment, this checkout equipment also comprises gas pressure source, provides working power by described battery or external power supply for it, is used to produce gas, and gas is delivered to aerating device.
In the more excellent embodiment, also comprise a casing, described gas pressure source, battery, external power supply, aerating device, pick-up unit and control device all are contained in the described casing.
In the more excellent embodiment, the outside surface of described casing is provided with a handle.
In the more excellent embodiment, wherein three sides that described external power supply, battery and gas pressure source are close to described casing respectively are provided with.
Second kind of technical scheme of the present utility model adopts following structure:
A kind of air tightness detection equipment is used to detect the impermeability of product to be measured, comprising:
Gas pressure source is communicated with described product to be measured, is used to produce gas and to described product to be measured inflation;
Pick-up unit is communicated with described product to be measured, is used to detect the air pressure of described product to be measured, obtains the air pressure testing result and sends;
Control device, be electrically connected with described pick-up unit, be used to control the switching of described pick-up unit, the air pressure testing result that reception is sent by described pick-up unit, whether qualified whether the air pressure change value of determining described product to be measured in the predetermined amount of time surpasses the maximum gas pressure difference, obtain impermeability the judged result of described product to be measured thus;
Power supply is used to described pick-up unit and control device that working power is provided;
It is characterized in that: described power supply comprises battery.
In the more excellent embodiment, described power supply also comprises external power supply and selector switch, and described selector switch controls described battery or external power supply provides working power for described aerating device, pick-up unit and control device.
In the more excellent embodiment, described gas pressure source is controlled its switching by described control device.
The beneficial effects of the utility model are as follows:
1, described power supply of the present utility model comprises battery, make the relative prior art air tightness detection equipment of the utility model have the advantage of being convenient to outdoor application, can solve the not charged source of prior art air tightness detection equipment itself, be unfavorable for the problem of outdoor leakage-preventing equipment such as communication system base station outside the sensing chamber, cat head two-way amplifier.
2, relative prior art, the utility model also comprises gas pressure source, and is controlled by described control device, so the utility model can be avoided need carrying in addition and the problem that is connected gas pressure source in the prior art, it is simpler to have operation, carries more convenient advantage.
3, the utility model also comprises a casing, described gas pressure source, battery, external power supply, aerating device, pick-up unit and control device all are contained in the described casing, this structure can be easy to carry the utility model as a chest, is beneficial to outdoor application.Simultaneously, described external power supply, battery and the relatively large parts of gas pressure source equal-volume are close to described casing side are provided with, can effectively utilize the space, reduce volume of the present utility model, the utility model is easy to carry more.
Description of drawings
Fig. 1 is the theory diagram of the utility model air tightness detection equipment embodiment one;
Fig. 2 is the theory diagram of the utility model air tightness detection equipment embodiment two;
Fig. 3 is the theory diagram of the utility model air tightness detection equipment embodiment three;
Fig. 4 is the structural representation of aerating device among Fig. 3;
Fig. 5 is the external structure synoptic diagram of the utility model air tightness detection equipment embodiment three;
Fig. 6 is the inner structure synoptic diagram of the utility model air tightness detection equipment embodiment three.
The primary clustering symbol description
The 1-product 2-to be measured air tightness detection equipment 100-aerating device 110-first solenoid valve 120-second solenoid valve 130-throttling valve 200-pick-up unit 300-control device 310-PLC controller 320-timer 400-power supply 410-battery 420-external power supply 430-selector switch 500-gas pressure source 600-casing 610-handle
Embodiment
Please refer to Fig. 1, it is the theory diagram of the utility model air tightness detection equipment embodiment one, and this air tightness detection equipment 2 comprises:
Aerating device 100, one ends are communicated with gas pressure source 500, and the other end is communicated with described product 1 to be measured, are used for inflating in described product 1 housing to be measured;
Pick-up unit 200 is communicated with described product 1 to be measured, is used to detect the air pressure in described product to be measured 1 housing, obtains the air pressure testing result and sends;
Described selector switch 430 comprises external power supply plug (not shown) and cell switch (not shown), but described cell switch one end be connected with battery 410 breakaway-elements, the other end is electrically connected with aerating device 100, pick-up unit 200 and control device 300; But described external power supply plug is connected with external power supply 420 breakaway-elements, and the other end is electrically connected with aerating device 100, pick-up unit 200 and control device 300.
The principle of work of present embodiment is as follows:
If select to use external power supply 420, socket then plugs in described external power supply plug earlier, if select to use battery 410, then closed described cell switch, press the start button (not shown) again, described aerating device 100 begins gas is fed in the housing of product 1 to be measured, pick-up unit 200 beginnings simultaneously detect the atmospheric pressure value in product 1 housing to be measured in real time, and testing result sent to described control device 300, when the atmospheric pressure value in product 1 housing to be measured reaches preset value P1, described aerating device 100 cuts out, described control device 300 picks up counting simultaneously, described pick-up unit 200 continues to detect and testing result is sent to described control device 300, described control device 300 judges whether the air pressure change value Δ P in product 1 housing to be measured surpasses predefined air pressure maximum difference P2 in the predetermined amount of time, if Δ P 〉=P2 judges that then the sealing of product 1 to be measured is defective, if Δ P＜P2 judges that then the sealing of product 1 to be measured is qualified.
When present embodiment uses, can select described battery 410 or external power supply 420 that working power is provided according to varying environment,, can select described external power supply 420 or battery 410 that working power is provided as when the indoor use, when outdoor application, then select described battery 410 that working power is provided.Therefore, the checkout equipment of the relative prior art of present embodiment has the advantage of being convenient to outdoor application, can solve the not charged source of checkout equipment self of prior art, be unfavorable for detecting the problem of outdoor leakage-preventing equipment such as communication system outdoor base station, cat head two-way amplifier.
Please refer to Fig. 2, it is the theory diagram of the utility model air tightness detection equipment embodiment two.The difference part of present embodiment and embodiment one is: present embodiment does not comprise aerating device 100, and comprise gas pressure source 500, described gas pressure source 500 is communicated with described product 1 to be measured, be used to produce gas and to described product to be measured 1 inflation, and provide working power for it by described power supply 400.Simultaneously, the switching of the described gas pressure source 500 of described control device 300 controls is promptly controlled described gas pressure source 500 and is begun to produce gas or stop to produce gas.
The principle of work of present embodiment is as follows:
After electric power starting and start button are pressed, described gas pressure source 500 begins to produce gas, and gas is fed in the housing of product 1 to be measured, pick-up unit 200 beginnings simultaneously detect the atmospheric pressure value in product 1 housing to be measured in real time, and testing result sent to described control device 300, when the atmospheric pressure value in product 1 housing to be measured reaches preset value P1, control device pilot-gas pressure source 500 stops to produce gas, described control device 300 picks up counting simultaneously, described pick-up unit 200 continues to detect and testing result is sent to described control device 300, described control device 300 judges whether the air pressure change value Δ P in product 1 housing to be measured surpasses predefined air pressure maximum difference P2 in the predetermined amount of time, if Δ P 〉=P2, the sealing of then judging product 1 to be measured is defective, if Δ P＜P2 judges that then the sealing of product 1 to be measured is qualified.
As seen, present embodiment can be avoided need carrying in addition and the problem that is connected gas pressure source 500 in the prior art, and operation is more simple, and it is also comparatively convenient to carry.But the weak point of present embodiment is: when described control device 300 pilot-gas pressure sources 500 stop to produce gas, still have portion gas to continue to charge in product 1 housing to be measured in the housing of described gas pressure source 500, so the inflation error is bigger, cause the final sealing testing result of product 1 to be measured to exist than mistake.
In addition, also can adopt manual control to the control that described gas pressure source 500 opens and closes, but when adopting manually control, relative operation in the former is comparatively inconvenient.
Please refer to Fig. 3, it is the theory diagram of the utility model air tightness detection equipment embodiment three.This air tightness detection equipment 2 has increased the aerating device 100 among the embodiment one on the basis of embodiment two, provide working power by described battery 410 or external power supply 420 for it, one end is communicated with described gas pressure source 500, the other end is communicated with described product 1 to be measured, is used for to described product 1 inflation to be measured.Simultaneously, described aerating device 100 can adopt big flow inflation mode and low discharge inflation mode, and is controlled its switchings and adopted which kind of inflation mode by described control device 300.
Please refer to Fig. 4, it is the structural representation of aerating device among Fig. 3.Described aerating device 100 comprises first solenoid valve 110, second solenoid valve 120 and throttling valve 130.Described first solenoid valve, 110 1 ends and second solenoid valve, 120 1 ends all are communicated with described gas pressure source 500, the other end of described second solenoid valve 120 is communicated with described throttling valve 130, the other end of the other end of described first solenoid valve 110 and throttling valve 130 is communicated with described product 1 to be measured, and described throttling valve 130 is used to turn down gas flow.
The present embodiment gas replenishment process adopts the inflation mode of earlier big flow inflation, back low discharge inflation, described gas replenishment process is as follows: during the inflation beginning, first solenoid valve 110 is opened, and second solenoid valve 120 cuts out, and carries out big flow inflation, when the air pressure in product 1 housing to be measured reaches switching atmospheric pressure value P3, then first solenoid valve 110 cuts out, and second solenoid valve 120 is opened, and carries out the low discharge inflation, when the air pressure in product 1 housing to be measured reached preset value P1, then aerating device 100 cut out.
As seen, present embodiment is owing to adopt the inflation mode of earlier big flow inflation, back low discharge inflation, the operation that i.e. inflation is closed is to carry out in the low discharge gas replenishment process, therefore can send at control device 300 and stop to inflate order and aerating device in the 100 actual times that stop between the gas replenishment process, reduce the amount that charges into unnecessary gas in product 1 housing to be measured, reduce to inflate error, thereby improve accuracy of detection product 1 sealing to be measured.
Please refer to Fig. 5 and Fig. 6, it is respectively external structure synoptic diagram and the inner structure synoptic diagram of the utility model air tightness detection equipment embodiment three.Present embodiment also comprises the casing 600 of a cuboid, described gas pressure source 500, aerating device 100, pick-up unit 200, control device 300, external power supply 420 and battery 410 all are contained in the described casing 600, and are arranged on the upper surface of described casing 600 bottoms.Simultaneously, the outside surface of described casing 600 is provided with a handle 610, and it is convenient that present embodiment is carried just as carrying a chest.
In the present embodiment, described pick-up unit 200 is a tensimeter, and described control device 300 comprises a PLC controller 310 and a timer 320, and described gas pressure source 500 is an air pump, and described battery 410 is a rechargeable battery.
As shown in Figure 5 and Figure 6, described external power supply 420 and battery 410 are close to the west side face and the east side face setting of described casing 600 respectively, and described gas pressure source 500 is close to the southern side face setting of described casing 600.Because described external power supply 420, battery 410 and gas pressure source 500 are the relatively large parts of volume in all parts, they are close to described casing 600 sides is provided with, can effectively utilize the space, reduce the volume of present embodiment, present embodiment is easy to carry more.The a-a ' that defines herein among Fig. 5 is the North and South direction of casing, and b-b ' is the east-west direction of casing.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1, a kind of air tightness detection equipment is used to detect the impermeability of product to be measured, comprising:
Aerating device, an end is communicated with gas pressure source, and the other end is communicated with described product to be measured, is used for to described product inflation to be measured;
Pick-up unit is communicated with described product to be measured, is used to detect the air pressure of described product to be measured, obtains the air pressure testing result and sends;
Control device, be electrically connected with described aerating device and pick-up unit, be used to control the switching of described aerating device and pick-up unit, the air pressure testing result that reception is sent by described pick-up unit, whether qualified whether the air pressure change value of determining described product to be measured in the predetermined amount of time surpasses the maximum gas pressure difference, obtain impermeability the judged result of described product to be measured thus;
Power supply is used to described aerating device, pick-up unit and control device that working power is provided;
It is characterized in that: described power supply comprises battery.
2, air tightness detection equipment according to claim 1, it is characterized in that: described power supply also comprises external power supply and selector switch, and described selector switch controls described battery or external power supply provides working power for described aerating device, pick-up unit and control device.
3, air tightness detection equipment according to claim 1 and 2 is characterized in that: described battery is a rechargeable battery.
4, air tightness detection equipment according to claim 2 is characterized in that: this checkout equipment also comprises gas pressure source, provides working power by described battery or external power supply for it, is used to produce gas, and gas is delivered to aerating device.
5, air tightness detection equipment according to claim 4 is characterized in that: also comprise a casing, described gas pressure source, battery, external power supply, aerating device, pick-up unit and control device all are contained in the described casing.
6, air tightness detection equipment according to claim 5 is characterized in that: the outside surface of described casing is provided with a handle.
7, according to claim 5 or 6 described air tightness detection equipments, it is characterized in that: wherein three sides that described external power supply, battery and gas pressure source are close to described casing respectively are provided with.
8, a kind of air tightness detection equipment is used to detect the impermeability of product to be measured, comprising:
Gas pressure source is communicated with described product to be measured, is used to produce gas and to described product to be measured inflation;
Pick-up unit is communicated with described product to be measured, is used to detect the air pressure of described product to be measured, obtains the air pressure testing result and sends;
Control device, be electrically connected with described pick-up unit, be used to control the switching of described pick-up unit, the air pressure testing result that reception is sent by described pick-up unit, whether qualified whether the air pressure change value of determining described product to be measured in the predetermined amount of time surpasses the maximum gas pressure difference, obtain impermeability the judged result of described product to be measured thus;
Power supply is used to described pick-up unit and control device that working power is provided;
It is characterized in that: described power supply comprises battery.
9, air tightness detection equipment according to claim 8, it is characterized in that: described power supply also comprises external power supply and selector switch, and described selector switch controls described battery or external power supply provides working power for described aerating device, pick-up unit and control device.
10, according to Claim 8 or 9 described air tightness detection equipments, it is characterized in that: described gas pressure source is controlled its switching by described control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201298421U CN201355301Y (en) | 2009-02-05 | 2009-02-05 | Air tightness detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201298421U CN201355301Y (en) | 2009-02-05 | 2009-02-05 | Air tightness detection equipment |
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| CN201355301Y true CN201355301Y (en) | 2009-12-02 |
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| CNU2009201298421U Expired - Fee Related CN201355301Y (en) | 2009-02-05 | 2009-02-05 | Air tightness detection equipment |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799351A (en) * | 2010-03-01 | 2010-08-11 | 东莞市品冠检测科技有限公司 | Leakage detection method and system thereof |
| CN102183345A (en) * | 2011-01-31 | 2011-09-14 | 中国科学院上海硅酸盐研究所 | Sodium sulfur battery pressing and leakage detection device and using method |
| CN102507107A (en) * | 2011-11-22 | 2012-06-20 | 唐山轨道客车有限责任公司 | Test equipment used for measuring air tightness of carriage |
| CN102829933A (en) * | 2012-09-11 | 2012-12-19 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN103257022A (en) * | 2013-04-24 | 2013-08-21 | 东莞市奇易电子有限公司 | Seal testing instrument and seal testing methods |
| CN103424235A (en) * | 2013-08-30 | 2013-12-04 | 玉树华王投资有限公司 | Plastic bucket automatic leak detection system and method |
| CN104677571A (en) * | 2013-11-29 | 2015-06-03 | 北汽福田汽车股份有限公司 | Air tightness detection device |
| CN104764568A (en) * | 2014-01-08 | 2015-07-08 | 中山天贸电池有限公司 | Leakage detection method for lithium ion batteries |
| CN105278571A (en) * | 2014-06-03 | 2016-01-27 | 金东彦 | Apparatus for accurately testing waterproofing of a terminal using a reference chamber unit |
| CN105910765A (en) * | 2016-05-31 | 2016-08-31 | 中国航空工业集团公司西安飞机设计研究所 | Airplane vacuum clean water system air-tightness checking method |
| CN106768706A (en) * | 2017-01-10 | 2017-05-31 | 郑梦妮 | A kind of air-tightness detection device |
| CN108205095A (en) * | 2016-12-16 | 2018-06-26 | 阿特斯阳光电力集团有限公司 | Connector testing device |
| CN111024380A (en) * | 2019-12-18 | 2020-04-17 | 贵州华烽电器有限公司 | Pressure-tight sleeve pressure-tight test system and pressure-tight sleeve pressure-tight test method |
-
2009
- 2009-02-05 CN CNU2009201298421U patent/CN201355301Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799351A (en) * | 2010-03-01 | 2010-08-11 | 东莞市品冠检测科技有限公司 | Leakage detection method and system thereof |
| CN102183345B (en) * | 2011-01-31 | 2014-08-06 | 上海电气钠硫储能技术有限公司 | Sodium sulfur battery pressing and leakage detection device and using method |
| CN102183345A (en) * | 2011-01-31 | 2011-09-14 | 中国科学院上海硅酸盐研究所 | Sodium sulfur battery pressing and leakage detection device and using method |
| CN102507107A (en) * | 2011-11-22 | 2012-06-20 | 唐山轨道客车有限责任公司 | Test equipment used for measuring air tightness of carriage |
| CN102507107B (en) * | 2011-11-22 | 2014-04-23 | 唐山轨道客车有限责任公司 | Test equipment used for measuring air tightness of carriage |
| CN102829933A (en) * | 2012-09-11 | 2012-12-19 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN102829933B (en) * | 2012-09-11 | 2014-10-08 | 中国人民解放军总装备部军械技术研究所 | Air tightness detector for photoelectric instrument |
| CN103257022A (en) * | 2013-04-24 | 2013-08-21 | 东莞市奇易电子有限公司 | Seal testing instrument and seal testing methods |
| CN103257022B (en) * | 2013-04-24 | 2015-06-17 | 东莞市奇易电子有限公司 | Seal testing instrument and seal testing methods |
| CN103424235A (en) * | 2013-08-30 | 2013-12-04 | 玉树华王投资有限公司 | Plastic bucket automatic leak detection system and method |
| CN104677571A (en) * | 2013-11-29 | 2015-06-03 | 北汽福田汽车股份有限公司 | Air tightness detection device |
| CN104764568A (en) * | 2014-01-08 | 2015-07-08 | 中山天贸电池有限公司 | Leakage detection method for lithium ion batteries |
| CN105278571A (en) * | 2014-06-03 | 2016-01-27 | 金东彦 | Apparatus for accurately testing waterproofing of a terminal using a reference chamber unit |
| CN105278571B (en) * | 2014-06-03 | 2018-05-18 | 金东彦 | Utilize the accurate terminal waterproof check device with reference to chamber unit |
| CN105910765A (en) * | 2016-05-31 | 2016-08-31 | 中国航空工业集团公司西安飞机设计研究所 | Airplane vacuum clean water system air-tightness checking method |
| CN108205095A (en) * | 2016-12-16 | 2018-06-26 | 阿特斯阳光电力集团有限公司 | Connector testing device |
| CN106768706A (en) * | 2017-01-10 | 2017-05-31 | 郑梦妮 | A kind of air-tightness detection device |
| CN106768706B (en) * | 2017-01-10 | 2019-02-05 | 宁波捷扬电器有限公司 | A kind of air-tightness detection device |
| CN111024380A (en) * | 2019-12-18 | 2020-04-17 | 贵州华烽电器有限公司 | Pressure-tight sleeve pressure-tight test system and pressure-tight sleeve pressure-tight test method |
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| C14 | Grant of patent or utility model | ||
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