CN202229894U - Leakage detection device - Google Patents
Leakage detection device Download PDFInfo
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- CN202229894U CN202229894U CN2011203005371U CN201120300537U CN202229894U CN 202229894 U CN202229894 U CN 202229894U CN 2011203005371 U CN2011203005371 U CN 2011203005371U CN 201120300537 U CN201120300537 U CN 201120300537U CN 202229894 U CN202229894 U CN 202229894U
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- pressure
- measured object
- leakage detection
- detection apparatus
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Abstract
The utility model discloses a leakage detection device, which is used for detecting leakage in a to-be-detected object and comprises a pressurization assembly, an air inlet valve, a pressure detecting piece, a safety valve and a breakage type safety pressure-relieving device; the pressurization assembly, the pressure detecting piece, the safety valve and the breakage type safety pressure-relieving device are communicated with the to-be-detected object; the pressurization assembly is used for providing pressurization gas in the to-be-detected object; the air inlet valve is connected between the pressurization assembly and the to-be-detected object and used for communicating and closing gas flow between the pressurization assembly and the to-be-detected object; the pressure detecting piece is used for detecting gas pressure in the to-be-detected object; the safety valve is used for draining pressure in the to-be-detected object higher than a first pressure value; the breakage type safety pressure-relieving device blasts when the pressure in the to-be-detected object is higher than a second pressure value, so that pressure in the to-be-detected object is drained; and the second pressure value is higher than the first pressure value. The interior of the to-be-detected object is pressurized through the pressurization assembly; the gas pressure in the to-be-detected object is checked through the pressure detecting piece; and, if the gas pressure can ensure long-term stability, the to-be-detected object is not damaged can be judged.
Description
Technical field
The utility model relates to detection technique, relates in particular to a kind of leakage detection apparatus.
Background technology
Static pressure treatment process moulding such as pressed block of silicon powder adopts usually.Deng in the static pressure processing silica flour is placed in the rubber mold; Put into the working chamber that is full of pressure medium to the rubber mold that silica flour is housed again; Progressively pressurize through pressure charging system; Through the pressure medium pressure transmission, make all directions of silica flour receive the pressure that equates, and at rubber mold restriction compacted under.Thereby reach the silica flour in the rubber mold is pressed into fine and close pressed block of silicon powder.
After use after a while, damaging or leak source can appear in rubber mold.As in time find above problem, still feed, suppression process, then pressure medium can be under high pressure breakage or leak source through rubber mold infiltrate rubber mold, thereby cause pressed block of silicon powder contaminated cause off quality, the waste silica flour.Simultaneously, the silica flour that leaks in the working chamber also can cause damage to equipment.
At present waiting the way of static pressure industry is to estimate rubber mold through operating personnel, or judges whether rubber mold occurs damaging and leak source because of the defective phenomenon of pressed block of silicon powder that rubber mold damages and leak source causes.Yet the range estimation accuracy rate is low, and false dismissal probability is high; And if the pressed block of silicon powder that from rubber mold, takes out judges whether contaminatedly to judge whether rubber mold has and damage or leak source, but contaminated because of pressed block of silicon powder, lose bigger.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of leakage detection apparatus is provided, and it is used to detect the seepage in the measured object.Said leakage detection apparatus comprises pressure-applying unit, gas admittance valve, pressure detection part, safety valve and breaking type safe pressure relief device; Said pressure-applying unit, pressure detection part, safety valve and breaking type safe pressure relief device all are communicated with said measured object; Said pressure-applying unit provides gas-pressurized in said measured object; Said gas admittance valve is connected between said pressure-applying unit and the said measured object, controls the gas communication connected sum sealing between said pressure-applying unit and the said measured object, and said pressure detection part detects the gaseous tension in the said measured object; Said safety valve is drained the pressure that is higher than first force value in the said measured object; The pressure in the said measured object is drained in explosion when said breaking type safe pressure relief device is higher than second force value in said measured object, and said second force value is higher than said first force value.
Wherein, Said leakage detection apparatus also comprises seal; Said seal is used to seal said measured object, and said seal is provided with draft tube and escape pipe, and said draft tube is communicated between said pressure-applying unit and the said measured object; Said escape pipe one end is communicated in said measured object, and the other end is communicated in said pressure detection part, said safety valve and said breaking type safe pressure relief device simultaneously.
Said measured object comprises opening, and said seal is closed in said opening, and said pressure-applying unit, pressure detection part, safety valve and breaking type safe pressure relief device all are fixed on the said end cap.
Said leakage detection apparatus comprises clip, and said clip is around said open outer side, fastening said opening.
Said gas admittance valve is arranged on the said draft tube.
Said breaking type safe pressure relief device comprises rupture disk, and said rupture disk is positioned at connection place of said breaking type safe pressure relief device and said measured object.
Said first force value is 0.13-0.15MPa, and said second force value is 0.2-0.3MPa.
Said safety valve is a spring safety valve.
Said pressure-applying unit comprises air compressor, and said air compressor is communicated with said measured object.
Said pressure-applying unit is to comprise gas-holder, and said gas-holder is communicated between said measured object and the said air compressor.
Pressurize in said measured object through pressure-applying unit in the utility model; And check the gaseous tension in the said measured object through said pressure detection part; If the gaseous tension in the measured object can guarantee stable for a long time, then can judge said measured object and not break or leak source.
In addition, said breaking type safe pressure relief device can come pressure release to guarantee the safety of operating personnel and leakage detection apparatus through the explosion of said breaking type safe pressure relief device when said safety valve nonanticipating lost efficacy.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the synoptic diagram of the leakage detection apparatus that provides of the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In the embodiment of the utility model; Pressurize in said measured object through pressure-applying unit; And check the gaseous tension in the said measured object through said pressure detection part; If the gaseous tension in the measured object can guarantee stable for a long time, then can judge said measured object and not break or leak source.
See also Fig. 1, be a kind of leakage detection apparatus 100 that the utility model provides, said leakage detection apparatus 100 is used to detect the seepage in the said measured object 200.In the present embodiment, said measured object 200 is the plastic moulds (packing element) that are used for pressed block of silicon powder.Said measured object 200 splendid attire silica flours, said measured object 200 1 end openings 211.
Said leakage detection apparatus 100 comprises seal 10, pressure-applying unit 20, gas admittance valve 30, draft tube 40, escape pipe 50, pressure detection part 60, safety valve 70 and breaking type safe pressure relief device 80.In the present embodiment, said seal 10 is end caps that match with said opening 211, the said measured object 200 of said seal 10 sealings.Poorly sealed in order to prevent, can utilize clip 7 around said opening 211 outsides, fastening said opening 211.Said seal 10 comprises air admission hole 11 and venthole 12.Certainly, in other embodiments, said seal 10 also can be the gland bonnet of said measured object 200 self.
Said pressure-applying unit 20 comprises air compressor 21 and gas-holder 22.Said air compressor 21 is connected with said gas-holder 22, and pressurized air is provided.Said gas-holder 22 is connected with said measured object 200 through said draft tube 40.Said draft tube 40 is inserted in the said measured object 200 from said air admission hole 11.Do encapsulation process between said draft tube 40 and the said air admission hole 11.Certainly, in other embodiments, also can said air compressor 21 directly be connected with said measured object 200.
Said gas admittance valve 30 is connected between said pressure-applying unit 20 and the said measured object 200, controls the connected sum sealing between said pressure-applying unit 20 and the said measured object 200.In the present embodiment, said gas admittance valve 30 is installed on the said draft tube 40, and said gas admittance valve 30 is manual ball valves.Control the switching of said gas admittance valve 30 through the handle 31 that rotates said gas admittance valve 30.
Said pressure detection part 60, safety valve 70 and breaking type safe pressure relief device 80 all are communicated with said measured object 200 through said escape pipe 50.Certainly, in other embodiments, also can on said seal 10, offer three ventholes 12.Said pressure detection part 60, safety valve 70 and breaking type safe pressure relief device 80 are connected on three ventholes 12.In the present embodiment, said escape pipe 50 comprises first end 51 and the second end 52.Said first end 51 inserts in the said measured object 200 from said venthole 12.Do encapsulation process between said escape pipe 50 and the said venthole 12.Said the second end 52 is communicated with said pressure detection part 60 through a path of a three-way connection 8.Another path of said three-way connection 8 is communicated with said safety valve 70 and breaking type safe pressure relief device 80 respectively through another three-way connection 9.
Said pressure detection part 60 detects the gaseous tension in the said measured object 200.In the present embodiment, said pressure detection part 60 is tensimeters.Said safety valve 70 is drained the pressure that is higher than first force value in the said measured object 200.In the present embodiment, said safety valve 70 is spring safety valves, and the pressure of said first force value is 0.13-0.15MPa.Preferably, the pressure of said first force value is 0.15MPa.Certainly, in other embodiments, said safety valve 70 also can be a lever safety valve, and said first force value is chosen other pressure according to the intensity of said measured object 200.
The pressure in the said measured object 200 is drained in explosion when said breaking type safe pressure relief device 80 is higher than second force value in said measured object 200, and said second force value is higher than said first force value.In the present embodiment; Said breaking type safe pressure relief device 80 comprises rupture disk 81 and clamper 82; Said clamper 82 is fixed on the said three-way connection 9, and said rupture disk 81 is fixed on the said clamper 82, is positioned at connection place of said breaking type safe pressure relief device 80 and said three-way connection 9.Said second force value is 0.2-0.3MPa.Preferably, said second force value is 0.3Mpa.Certainly, in other embodiments, said breaking type safe pressure relief device 80 can also adopt the explosion cap, and said second force value also can be set other pressure according to security needs.
When leak detection, open said gas admittance valve 30, carry in said measured object 200 through said gas-holder 22 and charge into gas-pressurized, when said pressure detection part 60 indexes are 0.12MPa, close said gas admittance valve 30 pressurizes 1 ~ 2 minute, check whether pressure has decline.Thinking if pressure descends that said measured object 200 has breaks or leak source.Think that if pressure is constant said measured object 200 is intact.In addition, if measured object 200 is about to occur damaging, can be through leak detection so that said measured object 200 break in advance, preventing in use breaks causes product rejection.
Said safety valve 70 is a first order protective device, and when pressure surpassed first force value, said safety valve 70 work pressure releases were to guarantee the safety of operating personnel and leakage detection apparatus 100.
Said breaking type safe pressure relief device 80 is a second level protective device; When said safety valve 70 nonanticipatings lost efficacy; When said measured object 200 internal pressures reach second force value, come pressure release to reach the safety effect same with said safety valve 70 through said breaking type safe pressure relief device 80 explosions.
In the utility model, in said measured object, pressurize through pressure-applying unit; And check the gaseous tension in the said measured object through said pressure detection part; If the gaseous tension in the measured object can guarantee stable for a long time, then can judge said measured object and not break or leak source.
In addition, said breaking type safe pressure relief device can come pressure release to guarantee the safety of operating personnel and leakage detection apparatus through the explosion of said breaking type safe pressure relief device when said safety valve nonanticipating lost efficacy.
Above disclosedly be merely a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. leakage detection apparatus; It is used to detect the seepage in the measured object; It is characterized in that said leakage detection apparatus comprises pressure-applying unit, gas admittance valve, pressure detection part, safety valve and breaking type safe pressure relief device, said pressure-applying unit, pressure detection part, safety valve and breaking type safe pressure relief device all are communicated with said measured object; Said pressure-applying unit provides gas-pressurized in said measured object; Said gas admittance valve is connected between said pressure-applying unit and the said measured object, controls the gas communication connected sum sealing between said pressure-applying unit and the said measured object, and said pressure detection part detects the gaseous tension in the said measured object; Said safety valve is drained the pressure that is higher than first force value in the said measured object; The pressure in the said measured object is drained in explosion when said breaking type safe pressure relief device is higher than second force value in said measured object, and said second force value is higher than said first force value.
2. leakage detection apparatus as claimed in claim 1; It is characterized in that said leakage detection apparatus also comprises seal, said seal is used to seal said measured object; Said seal is provided with draft tube and escape pipe; Said draft tube is communicated between said pressure-applying unit and the said measured object, and said escape pipe one end is communicated in said measured object, and the other end is communicated in said pressure detection part, said safety valve and said breaking type safe pressure relief device simultaneously.
3. leakage detection apparatus as claimed in claim 2 is characterized in that said measured object comprises opening, and said seal is closed in said opening, and said pressure-applying unit, pressure detection part, safety valve and breaking type safe pressure relief device all are fixed on the said seal.
4. leakage detection apparatus as claimed in claim 3 is characterized in that said leakage detection apparatus comprises clip, and said clip is around said open outer side, fastening said opening.
5. leakage detection apparatus as claimed in claim 2 is characterized in that said gas admittance valve is arranged on the said draft tube.
6. leakage detection apparatus as claimed in claim 1 is characterized in that, said breaking type safe pressure relief device comprises rupture disk, and said rupture disk is positioned at connection place of said breaking type safe pressure relief device and said measured object.
7. leakage detection apparatus as claimed in claim 1 is characterized in that, said first force value is 0.13-0.15MPa, and said second force value is 0.2-0.3MPa.
8. leakage detection apparatus as claimed in claim 1 is characterized in that said safety valve is a spring safety valve.
9. leakage detection apparatus as claimed in claim 1 is characterized in that said pressure-applying unit comprises air compressor, and said air compressor is communicated with said measured object.
10. leakage detection apparatus as claimed in claim 7 is characterized in that, said pressure-applying unit is to comprise gas-holder, and said gas-holder is communicated between said measured object and the said air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005371U CN202229894U (en) | 2011-08-18 | 2011-08-18 | Leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005371U CN202229894U (en) | 2011-08-18 | 2011-08-18 | Leakage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229894U true CN202229894U (en) | 2012-05-23 |
Family
ID=46080478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203005371U Expired - Fee Related CN202229894U (en) | 2011-08-18 | 2011-08-18 | Leakage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229894U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880380A (en) * | 2015-06-11 | 2015-09-02 | 贵州润晋碳元素材料有限公司 | Handheld borehole defect pressurized detection device for thermal-expansion rock splitting agent |
| CN105148438A (en) * | 2015-08-31 | 2015-12-16 | 陕西延长石油（集团）有限责任公司管道运输公司 | Fire hose packing method |
| CN117032333A (en) * | 2023-10-08 | 2023-11-10 | 北京中航泰瑞电子技术有限公司 | Inverted timing type two-way air valve control equipment, method and device and storage medium |
-
2011
- 2011-08-18 CN CN2011203005371U patent/CN202229894U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880380A (en) * | 2015-06-11 | 2015-09-02 | 贵州润晋碳元素材料有限公司 | Handheld borehole defect pressurized detection device for thermal-expansion rock splitting agent |
| CN104880380B (en) * | 2015-06-11 | 2017-07-07 | 贵州润晋碳元素材料有限公司 | A kind of hand-held thermal expansion stone cracking agent drilling defects pressure testing device |
| CN105148438A (en) * | 2015-08-31 | 2015-12-16 | 陕西延长石油（集团）有限责任公司管道运输公司 | Fire hose packing method |
| CN117032333A (en) * | 2023-10-08 | 2023-11-10 | 北京中航泰瑞电子技术有限公司 | Inverted timing type two-way air valve control equipment, method and device and storage medium |
| CN117032333B (en) * | 2023-10-08 | 2023-12-08 | 北京中航泰瑞电子技术有限公司 | Inverted timing type two-way air valve control equipment, method and device and storage medium |
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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: 20120523 Termination date: 20180818 |