CN102095642B - Instrument used for testing pressure resistance of package of infectious substances - Google Patents
Instrument used for testing pressure resistance of package of infectious substances Download PDFInfo
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- CN102095642B CN102095642B CN 201010589303 CN201010589303A CN102095642B CN 102095642 B CN102095642 B CN 102095642B CN 201010589303 CN201010589303 CN 201010589303 CN 201010589303 A CN201010589303 A CN 201010589303A CN 102095642 B CN102095642 B CN 102095642B
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Abstract
The invention relates to an instrument used for testing the pressure resistance of package of infectious substances, composed of an air compressor, a buffer gas cylinder, an electromagnetic flow-limiting valve, a pressure gauge, a pressure sensor, a thermal shock chamber, a package interface, a pipeline fixing device and a control terminal, wherein the air compressor is an air supply device, and a high pressure gas sequentially passes through a reducing valve, the buffer cylinder, the electromagnetic flow-limiting valve, the pressure sensor and a gas pipeline fixing device and then enters into the package filled with infectious substances at the temperature ranging from -40 to 50 DEG C in advance. The damaging or sealing condition of the package of the infectious substances packaged at the temperature ranging from -40 to 50 DEG C is observed by regulating the pressure of the gas in the package. By applying the test instrument provided by the invention, the problem that the detection result is influenced as the difference of the flow rates of introduced gases is big owning to manual operation is solved, the safety of operating personnel can be guaranteed, the test speed is fast, the accuracy is high, the operation is simple, and the requirement for testing the pressure resistance of the package of the infectious substances under different conditions can be met.
Description
Technical field
The invention belongs to a kind of pressure testing device of environmental mechanics, particularly a kind of infectious substance packing pressure resistance tester.
Technical background
Infectious substance packing is the packing that contains infectious pathogen (comprising the media such as the microorganism such as bacterium, virus, Li Kecishi agent, parasite, fungi and virus protein) or biological products (such as the non-final products beyond vaccine and the vaccine etc.) in the package.The pollution that the pathogen that the damage of infectious substance packing or break causes or biological products leakage can cause surrounding environment and operation and user of service's health hazard.Be-40 ℃～55 ℃ environment under the air transportation condition of international boat " DGR " (IATA DGR) of association to the infectious substance package, the primary tank of package or additional reservoir should be able to bear the internal pressure that is not less than 95 kPas of pressure reduction and ne-leakage.At present domesticly mainly adopt pump pressure air to 95 kPa pressure for infectious substance package (6.2, UN 2814 and UN 2900), observe and whether leak.There is instability in the gaseous tension that this pump pressure mode of operation provides, affects the accuracy that test findings is judged, and leaks the strick precaution deficiency for underproof infectious substance package, has potential safety hazard.Up to the present, the domestic pressure resistance tester that yet there are no specially for the infectious substance package.
Summary of the invention
The invention provides the infectious substance package pressure resistance tester of a kind of accurate controlled pressure and environment temperature.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of infectious substance packing pressure resistance tester, it is characterized in that: bag is by air compression plant (1), buffering gas cylinder (4), electromagnetic current limiting valve (5), tensimeter (6), pressure transducer (16), thermal shock test chamber (12), package interface (14), fixing device for pipe (15), and control terminal (10) forms, described air compression plant (1) connects reduction valve (2), reduction valve (2) connects counterbalance valve (3), counterbalance valve (3) connects bottle (4) entrance of getting a breathing space, buffering gas cylinder (4) outlet connects electromagnetic current limiting valve (5) entrance, the entrance of electromagnetic current limiting valve (5) outlet Bonding pressure sensor (16), pressure transducer (16) has two outlets, one of them outlet is connected with gas piping by fast interface, the gas piping other end connects the entrance that is positioned at the fixing device for pipe (15) on the thermal shock test chamber (12), the outlet of fixing device for pipe (15) connects the upper package interface (14) through the hole making drill perforate of package (13) by fast interface, package (13) is positioned at temperature setting and is set to-40 ℃～55 ℃ thermal shock test chamber (12) inside, the another one outlet Bonding pressure table (6) of pressure transducer (16), tensimeter connects signal transmitting device (8), signal transmitting device (8) connects control terminal (10) by signal wire (9), and control terminal (10) connects electromagnetic current limiting valve (5) and printer (11).
Described package interface (14) is comprised of hollow screw (18), and the upper cover of hollow screw (18) has gland nut (19), stainless steel gasket (20) and rubber sheet gasket (21).
The further change interpretation of the related content of technique scheme is as follows:
1. in the such scheme, the interface mode of described package interface is that package is after the hole making drill perforate, form the package connector by hollow screw, gland nut, stainless steel gasket, rubber sheet gasket, the package connector is connected by gas fast interface pipeline with fixing device for pipe.
3. in the such scheme, described fixing device for pipe is fixed on the thermal shock test chamber, all design fast interface inside and outside the fixing device for pipe, extraneous soft air-guide pipe is connected by fast interface with the external tapping of thermal shock test chamber upper pipeline stationary installation, and the package connector is connected by fast interface with the fixing device for pipe inner joint.
Technical characterstic of the present invention is: adopt control terminal to connect electromagnetic current limiting valve, support the use reduction valve, counterbalance valve, surge flask, can accurately control and record the withstand voltage situation of infectious substance package, the inconvenience of pressure and pressure control is given in solution because of manual operation, avoid guaranteeing operating personnel's security problems because the injecting gas pressure gap affects test findings, test speed is fast, accuracy is high, and is easy and simple to handle, can finish according to domestic and international requirement the withstand voltage properties test of infectious substance package.
Description of drawings
Fig. 1 infectious substance packing pressure resistance tester system construction drawing
Fig. 2 package connector structural representation
In the above accompanying drawing: 1. air compression plant; 2. reduction valve; 3. counterbalance valve; 4. surge flask; 5. electromagnetic current limiting valve; 6. tensimeter; 7 power-supply controller of electric; 8. signal converter; 9. signal wire; 10. control terminal; 11. printer; 12. thermal shock test chamber; 13. package; 14. package interface; 15. fixing device for pipe; 16. pressure transducer; 17. safety valve; 18. hollow screw; 19. gland nut; 20. stainless steel gasket; 21. rubber sheet gasket forms.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
Embodiment: shown in accompanying drawing 1, a kind of infectious substance packing pressure resistance tester, connect successively reduction valve (2) by air compression plant (1), counterbalance valve (3), surge flask (4), surge flask connects electromagnetic current limiting valve (5) entrance, electromagnetic current limiting valve Bonding pressure sensor (16), and on pressure transducer (16) limit design safety valve (17), pressure transducer (16) other end connects package interface (14) by fixing device for pipe (15), pressure transducer (16) Bonding pressure table (6), tensimeter (6) is connected with signal converter (8), signal converter (8) connects control terminal (10) by signal wire (9), control terminal (10) control electromagnetic current limiting valve (5), printer (11) is connected with control terminal (10).
Shown in accompanying drawing 2, the interface mode of described package interface (14) is that package (13) is after the hole making drill perforate, by hollow screw (18), gland nut (19), stainless steel gasket (20), rubber sheet gasket (21) forms, package interface (14) is connected by the gas fast interface with fixing device for pipe (15) on being fixed on thermal shock test chamber (12), fixing device for pipe all designs fast interface inside and outside (15), extraneous wireway is connected by fast interface with the external tapping of fixing device for pipe (15), and package interface (14) is connected by fast interface with fixing device for pipe (15) inner joint.
During actual the use, at first package (13) is after the hole making drill perforate, be connected to fixing device for pipe (15) on the thermal shock test chamber (12) by package interface (14), open the power-supply controller of electric that is positioned on the air compression plant (1), pressurized air is through reduction valve (2), counterbalance valve (3), reach electromagnetic current limiting valve (5) after the surge flask (4), electromagnetic current limiting valve is connected 6 through pressure transducer (16) with tensimeter) be connected and change to control by real-time pressure value the gas flow of electromagnetic current limiting valve (5) with control terminal (10), gas enters in the package (13) after stationary installation (15) and the package interface (14) by the road, package (13) is implemented malleation, after test is finished, barotropic gas in the package (13) is implemented bleed air operation, the safety of warranty test by control terminal (10) to the order of electromagnetic current limiting valve (5).
Claims (2)
1. an infectious substance is packed pressure resistance tester, it is by air compression plant (1), reduction valve (2), counterbalance valve (3), buffering gas cylinder (4), electromagnetic current limiting valve (5), tensimeter (6), power-supply controller of electric (7), signal transmitting device (8), signal wire (9), control terminal (10), printer (11), thermal shock test chamber (12), package (13), package interface (14), fixing device for pipe (15), pressure transducer (16), safety valve (17) forms, it is characterized in that: described air compression plant (1) connects reduction valve (2), reduction valve (2) connects counterbalance valve (3), counterbalance valve (3) connects buffering gas cylinder (4) entrance, buffering gas cylinder (4) outlet connects electromagnetic current limiting valve (5) entrance, the entrance of electromagnetic current limiting valve (5) outlet Bonding pressure sensor (16), pressure transducer (16) has two outlets, one of them outlet is connected with gas piping by fast interface, the gas piping other end connects the entrance that is positioned at the fixing device for pipe (15) on the thermal shock test chamber (12), the outlet of fixing device for pipe (15) connects the upper package interface (14) through the hole making drill perforate of package (13) by fast interface, package (13) is positioned at temperature setting and is set to-40 ℃～55 ℃ thermal shock test chamber (12) inside, the another one outlet Bonding pressure table (6) of pressure transducer (16), tensimeter connects signal transmitting device (8), signal transmitting device (8) connects control terminal (10) by signal wire (9), and control terminal (10) connects electromagnetic current limiting valve (5) and printer (11).
2. described infectious substance is packed pressure resistance tester according to claim 1, it is characterized in that: described package interface (14) is comprised of hollow screw (18), gland nut (19), stainless steel gasket (20), rubber sheet gasket (21), at hollow screw (18) cover gland nut (19), stainless steel gasket (20) and rubber sheet gasket (21) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589303 CN102095642B (en) | 2010-12-15 | 2010-12-15 | Instrument used for testing pressure resistance of package of infectious substances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010589303 CN102095642B (en) | 2010-12-15 | 2010-12-15 | Instrument used for testing pressure resistance of package of infectious substances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102095642A CN102095642A (en) | 2011-06-15 |
| CN102095642B true CN102095642B (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010589303 Expired - Fee Related CN102095642B (en) | 2010-12-15 | 2010-12-15 | Instrument used for testing pressure resistance of package of infectious substances |
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| Country | Link |
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| CN (1) | CN102095642B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424359B (en) * | 2013-08-20 | 2016-04-27 | 天津大学 | A kind of ultra-thin-wall microtubule producing device and preparation method thereof |
| CN107884281A (en) * | 2017-12-11 | 2018-04-06 | 天津航天瑞莱科技有限公司 | The pressure-resistant performance test system of product on a kind of spacecraft |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464677Y (en) * | 2001-01-16 | 2001-12-12 | 中华人民共和国天津出入境检验检疫局 | Hydraulic testing machine for hazardous articles package |
| US6640614B1 (en) * | 2002-07-17 | 2003-11-04 | Molon, Inc. | Package burst pressure simulator |
| CN201945517U (en) * | 2010-12-15 | 2011-08-24 | 王利兵 | Pressure resistance tester for infectious substance package |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ552146A (en) * | 2004-06-07 | 2010-03-26 | Mercer Inmotion Pty Ltd | An apparatus and method for leak detection in flexible packages |
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2010
- 2010-12-15 CN CN 201010589303 patent/CN102095642B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2464677Y (en) * | 2001-01-16 | 2001-12-12 | 中华人民共和国天津出入境检验检疫局 | Hydraulic testing machine for hazardous articles package |
| US6640614B1 (en) * | 2002-07-17 | 2003-11-04 | Molon, Inc. | Package burst pressure simulator |
| CN201945517U (en) * | 2010-12-15 | 2011-08-24 | 王利兵 | Pressure resistance tester for infectious substance package |
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| CN102095642A (en) | 2011-06-15 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20131215 |