CN207610941U - A kind of high pressure hydrogen blowout disk pressure pulse test system - Google Patents
A kind of high pressure hydrogen blowout disk pressure pulse test system Download PDFInfo
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- CN207610941U CN207610941U CN201721924358.9U CN201721924358U CN207610941U CN 207610941 U CN207610941 U CN 207610941U CN 201721924358 U CN201721924358 U CN 201721924358U CN 207610941 U CN207610941 U CN 207610941U
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- pipeline
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Abstract
The utility model provides a kind of high pressure hydrogen blowout disk pressure pulse test system, including sweat box, blowout disk clamper, blowout disk, blowout disk clamper forward direction connects the outlet side of pneumatic actuation hydrogen pressurization pump by high pressure hydrogen pipeline, the inlet end setting low pressure hydrogen gas source interface and driving gas source interface of pneumatic actuation hydrogen pressurization pump, high-pressure hydrogen storage and pressure gauge are set on high pressure hydrogen pipeline, and blowout disk clamper is backwards to connection fluid pressure cycling element.This system is pressed using blowout disk forward direction high pressure hydrogen, by the way of applying fluid pressure cycle, pressure pulse test at various temperature is carried out to blowout disk, the cost for reducing high pressure hydrogen blowout disk pressure pulse test improves the safety of experiment.
Description
Technical field
The utility model relates generally to checking equipment technical field, specifically a kind of high pressure hydrogen blowout disk pressure pulse
Pilot system.
Background technology
Currently, hydrogen fuel cell Industry Quick Development, uses pressure requirements also higher and higher hydrogen cylinder, existing hydrogen
The pressure of bottle reaches 35MPa even 70MPa, and the design life of hydrogen cylinder is very long, and hydrogen cylinder is as the pressure filled repeatedly
Container needs to examine its safety, the peace of hydrogen cylinder using the test method of pressure pulse to investigate its general safety performance
Full device has a kind of safety diaphragm chip safety device, blowout disk equally also to examine its safety, using hydrogen medium for it
Pressure pulse test is done, test number (TN) is up to up to ten thousand times.Conventional test method is that hydrogen pressurization is filled with experimental rig, pressurize
For a period of time, then pressure release, as a pressures cycle, the hydrogen of pressure release utilizes Recovery and recycle, and entire experimental rig needs
Complicated and huge system is wanted, experimentation cost is very high, and system will also bear pressure pulse, and the leakage point of system itself is more,
There are prodigious security risks.
Utility model content
To solve the deficiency of current technology, the utility model combination prior art provides a kind of high from practical application
Hydric safe diaphragm pressure impulse test system is pressed, this system is using blowout disk forward direction high pressure hydrogen pressure, backwards application liquid
The mode of body pressures cycle carries out the pressure pulse test at various temperature to blowout disk, reduces high pressure hydrogen safety diaphragm
The cost of piece pressure pulse test improves the safety of experiment.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of high pressure hydrogen blowout disk pressure pulse test system, including sweat box, blowout disk clamper, safety diaphragm
Piece, blowout disk clamper forward direction connect the outlet side that pneumatic actuation hydrogen pressurization pumps, pneumatic actuation by high pressure hydrogen pipeline
The inlet end setting low pressure hydrogen gas source interface and driving gas source interface of hydrogen pressurization pump, are arranged high pressure on high pressure hydrogen pipeline
Hydrogen storage vessel and pressure gauge, blowout disk clamper is backwards to connection fluid pressure cycling element.
The fluid pressure cycling element includes wet tank, controller, supercharging pipeline, main blowdown line, secondary relief tube
Line, blowout disk clamper by be pressurized pipeline be connected to wet tank, supercharging pipeline on be sequentially arranged electric-motor pump, check valve,
Pressure sensor, main blowdown line one end are connected to the increase pipeline between pressure sensor and check valve, and the other end passes through
Solenoid valve is connected to wet tank, and secondary blowdown line one end is connected to the increase pipeline between check valve and electric-motor pump, the other end
It is connected to the main blowdown line between solenoid valve and wet tank, the controller and temperature by normally opened electromagnetic relief valve
Electric signal connects between case, pressure sensor, electric-motor pump, solenoid valve, electromagnetic relief valve.
The driving air source of pneumatic actuation hydrogen pressurization pump uses air or nitrogen.
The beneficial effects of the utility model：
Blowout disk forward direction applies the upper pressure limit value of test determination using hydrogen as medium, uses liquid for medium backwards
Pressure pulse is carried out, pulse testing, system are carried out to blowout disk using the pressure difference of blowout disk both ends hydrogen and liquid
Structure it is simple, work efficiency is high, experimentation cost is low, and security reliability is good.
Description of the drawings
Attached drawing 1 is schematic structural view of the invention.
Label shown in attached drawing：1, low pressure hydrogen gas source interface, 2, driving gas source interface, 3, pneumatic actuation hydrogen pressurization
Pump, 4, high pressure hydrogen pipeline, 6, pressure gauge, 7, sweat box, 8, blowout disk clamper, 9, tested blowout disk, 10, pressure passes
Sensor, 11, main blowdown line, 12, check valve, 13, supercharging pipeline, 14, solenoid valve, 15, electromagnetic relief valve open in usual, 16, secondary
Blowdown line, 17, electric-motor pump, 18, wet tank, 19, controller.
Specific implementation mode
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
In range defined herein.
As shown in Fig. 1, high pressure hydrogen blowout disk pressure pulse test system include pneumatic actuation hydrogen pressurization pump 3,
Sweat box 7, blowout disk clamper 8, fluid pressure cycling element；3 setting low pressure hydrogen air source of pneumatic actuation hydrogen pressurization pump
Interface 1 and driving gas source interface 2, outlet side are connect with high-pressure hydrogen storage 5 by high pressure hydrogen pipeline 4, high pressure hydrogen pipeline 4
Upper setting pressure gauge 6, driving air source use low-pressure air or nitrogen；Tested blowout disk 9 is fixed on blowout disk clamper 8
On, 8 one end of blowout disk clamper is connect with high pressure hydrogen pipeline 4, the supercharging pipeline of the other end and fluid pressure cycling element
13 connections；Fluid pressure cycling element includes wet tank 18, electric-motor pump 17, solenoid valve 14, normally opened electromagnetic relief valve 15, unidirectional
Valve 12, pressure sensor 10, controller 19, supercharging pipeline 13, main blowdown line 11, secondary blowdown line 16；It is suitable to be pressurized pipeline 13
Sequence is connected to wet tank 18, electric-motor pump 17, check valve 12, pressure sensor 10, blowout disk clamper 8；Main blowdown line 11
It is connect in the pressure sensor 10 in being pressurized pipeline 13 and with supercharging pipeline 13 between check valve 12, centre setting solenoid valve 14,
Finally it is connected to wet tank 18；Secondary blowdown line 16 the check valve 12 in being pressurized pipeline 13 and between electric-motor pump 17 with supercharging
Pipeline 13 connects, and centre is arranged normally opened electromagnetic relief valve 15, the other end between solenoid valve 14 and wet tank 18 with main pressure release
Pipeline 11 connects；Controller 19 has with sweat box 7, pressure sensor 10, electric-motor pump 17, solenoid valve 14 and electromagnetic relief valve 15
Conducting wire connect, can setup parameter (upper lower limit value of pressure, the temperature of the time of pressurize and sweat box), according to pressure sensor 10
The pressure signal of transmission controls the action of solenoid valve 14 and normally opened electromagnetic relief valve 15, realizes the supercharging, pressurize, pressure release of liquid,
Pressure pulse test is carried out to blowout disk using the pressure difference simulated pressure cycle of high pressure hydrogen pipeline 7 and supercharging pipeline 13.
The present invention in use, blowout disk 9 is installed on blowout disk clamper 8, pneumatic actuation hydrogen pressurization pump 3 it is low
Pressure hydrogen source gas interface 1 is passed through low pressure hydrogen, and driving gas source interface 2 is passed through nitrogen or air, by high-pressure hydrogen storage 5 and high pressure
The setting value of pressure testing is arrived in hydrogen gas lines supercharging 4, and controller 19 starts after setting program, 17 continue working of electric-motor pump.
Boost process：Controller 19 controls the closing of solenoid valve 14, normally opened electromagnetic relief valve 15 is in and closes, and electric-motor pump 17 will
The liquid of wet tank 18 is pressurized in supercharging pipeline 13, until supercharging 13 pressure of pipeline reaches setting upper limit of pressure value；
Upper pressure limit value pressurize：When supercharging 13 pressure of pipeline reaches setting upper limit of pressure value, pressure sensor 10 will
Signal transmission sends out instruction to controller 19, controller 19, opens normally opened electromagnetic relief valve 15, the liquid of electric-motor pump 17 is by secondary
The flow direction of blowdown line 16 has wet tank 18, while check valve 12 is closed, and solenoid valve 14 is closed, and realizes upper pressure limit
It is worth pressurize；
Pressure release：After upper pressure limit value pressurize reaches the stipulated time, controller 19 sends out instruction, opens solenoid valve 14, supercharging
Liquid in pipeline 13 flows to wet tank through main blowdown line 11, meanwhile, normally opened electromagnetic relief valve 15 is in the open state, electricity
Pump 17 exports highly pressurised liquid directly through secondary blowdown line 16, main blowdown line stream 11 to wet tank, realizes supercharging pipeline 13
The pressure release of middle liquid.
Low pressure limit value pressurize：When low pressure limit value of the liquid pressure release being pressurized in pipeline 13 to setting, controller 19
To instruction is sent out, solenoid valve 14 is closed, and is pressurized the liquid in pipeline 13 without normal direction wet tank circulation 18, normally opened electromagnetic relief valve
15 is in the open state, and the highly pressurised liquid that electric-motor pump 17 exports is directly through secondary blowdown line 16, main blowdown line stream 11 to liquid
Storage tank 18 realizes low pressure limit value pressurize.
Boosting, upper pressure limit pressurize, pressure release, low pressure limit value pressurize, this process are completed one cycle, are transported repeatedly
Make, realizes the cycle of the fluid pressure of blowout disk 9 backwards, while the pressure of the positive high pressure hydrogen of blowout disk 8 is kept not
Become, pulse testing is carried out to blowout disk by the variation of the pressure difference of high pressure hydrogen and fluid pressure.
Claims (3)
1. a kind of high pressure hydrogen blowout disk pressure pulse test system, including sweat box (7), blowout disk clamper (8), by
Try blowout disk (9), it is characterised in that：Blowout disk clamper (8) is positive to connect pneumatic actuation by high pressure hydrogen pipeline (4)
Hydrogen pressurization pump (3) outlet side, pneumatic actuation hydrogen pressurization pump (3) inlet end setting low pressure hydrogen gas source interface (1) and
Gas source interface (2) is driven, high-pressure hydrogen storage (5) and pressure gauge (6), blowout disk folder are set on high pressure hydrogen pipeline (4)
Holder (8) is backwards to connection fluid pressure cycling element.
2. a kind of high pressure hydrogen blowout disk pressure pulse test system as described in claim 1, it is characterised in that：The liquid
Body pressures cycle unit includes wet tank (18), controller (19), supercharging pipeline (13), main blowdown line (11), secondary pressure release
Pipeline (16), blowout disk clamper (8) are connected to wet tank (18) by being pressurized pipeline (13), suitable on supercharging pipeline (13)
Electric-motor pump (17), check valve (12), pressure sensor (10) is arranged in sequence, and main blowdown line (11) one end connection is located at pressure sensing
Supercharging pipeline (13) between device (10) and check valve (12), the other end is connected to wet tank (18) by solenoid valve (14), secondary
Blowdown line (16) one end is connected to the supercharging pipeline (13) between check valve (12) and electric-motor pump (17), and the other end passes through normal
Open the main blowdown line (11) that electromagnetic relief valve (15) is connected between solenoid valve (14) and wet tank (18), the control
Telecommunications between device (19) and sweat box (7), pressure sensor (10), electric-motor pump (17), solenoid valve (14), electromagnetic relief valve (15)
Number connection.
3. a kind of high pressure hydrogen blowout disk pressure pulse test system as described in claim 1, it is characterised in that：Pneumatic driving
The driving air source of dynamic hydrogen pressurization pump (3) uses air or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924358.9U CN207610941U (en) | 2017-12-29 | 2017-12-29 | A kind of high pressure hydrogen blowout disk pressure pulse test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924358.9U CN207610941U (en) | 2017-12-29 | 2017-12-29 | A kind of high pressure hydrogen blowout disk pressure pulse test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207610941U true CN207610941U (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924358.9U Active CN207610941U (en) | 2017-12-29 | 2017-12-29 | A kind of high pressure hydrogen blowout disk pressure pulse test system |
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| CN (1) | CN207610941U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152156A (en) * | 2017-12-29 | 2018-06-12 | 丹阳市飞轮气体阀门有限公司 | A kind of high pressure hydrogen blowout disk pressure pulse test system and method |
| CN109387437A (en) * | 2018-11-23 | 2019-02-26 | 丹阳市飞轮气体阀门有限公司 | A kind of full-automatic high-pressure hydrogen cylinder hydrogen cyclic test system and test method |
-
2017
- 2017-12-29 CN CN201721924358.9U patent/CN207610941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152156A (en) * | 2017-12-29 | 2018-06-12 | 丹阳市飞轮气体阀门有限公司 | A kind of high pressure hydrogen blowout disk pressure pulse test system and method |
| CN109387437A (en) * | 2018-11-23 | 2019-02-26 | 丹阳市飞轮气体阀门有限公司 | A kind of full-automatic high-pressure hydrogen cylinder hydrogen cyclic test system and test method |
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