CN110441039A - A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue - Google Patents
A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue Download PDFInfo
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- CN110441039A CN110441039A CN201910637366.2A CN201910637366A CN110441039A CN 110441039 A CN110441039 A CN 110441039A CN 201910637366 A CN201910637366 A CN 201910637366A CN 110441039 A CN110441039 A CN 110441039A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention belongs to hydrogen energy source technical fields, more particularly to a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue, cylinder including placing gas cylinder to be measured, control device, for loading and unloading the assistance component of barrel upper seal head, on the cylinder be arranged port respectively with gas charge and discharge component in gas cylinder to be measured, temperature-controlling module, humid control component, security monitoring component is correspondingly connected with, the tested gas charge and discharge mouth being additionally provided on the cylinder in tested gas cylinder, the signal end of the control device respectively with assistance component, gas charge and discharge component, temperature-controlling module, humid control component, the signal end of security monitoring component is correspondingly connected with.The advantages of invention, is: so that sample is under the extreme case of setting the measurement that can be carried out data, the blast impulse that can also generate after failure for sample provides protection.
Description
Technical field
The invention belongs to hydrogen energy source technical field more particularly to a kind of explosion-proof environment moulds for the test of hydrogen cyclic fatigue
Quasi- system.
Background technique
Hydrogen cell automobile has many advantages, such as that Zero-discharge non-pollution, hydrogenation time are short, course continuation mileage is long, high-efficient, because
And by worldwide great attention, become the developing direction of Hyundai Motor.
The hydrogen-feeding systems components such as composite high-pressure storage cylinder, control valve for gas pipeline door, connector, sealing element are hydrogen
The significant components of fuel cell car, by the collective effects such as high pressure gas, extreme temperature and humidity environment, safety during military service
Performance is most important.
In order to ensure the safety of hydrogen-feeding system components, the current international practices standard such as GTR No.13, SAE J2579 is intended to
The extremely harsh military service performance test of some column must be carried out before asking the said goods to be formed, wherein again with extreme temperature and humidity ring
The test of gas cyclic fatigue is the harshest complicated under border.Correspondingly, to the gas cyclic fatigue test macro for realizing the test
It is required that then more harsh complicated.
Summary of the invention
In order to meet the test of gas cyclic fatigue, the present invention provides a kind of extreme temperature that can satisfy function and demand for security
The device of humidity environment simulation.The invention adopts the following technical scheme:
A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue, cylinder, control including placing gas cylinder to be measured
Device processed, the assistance component for loading and unloading barrel upper seal head, setting port is filled with gas in gas cylinder to be measured respectively on the cylinder
It puts component, temperature-controlling module, humid control component, security monitoring component to be correspondingly connected with, be additionally provided on the cylinder tested
Tested gas charge and discharge mouth in gas cylinder, the signal end of the control device respectively with assistance component, gas charge and discharge component, temperature control
Component processed, humid control component, security monitoring component signal end be correspondingly connected with.
Optimization, the assistance component includes lid trolley, is connected between the lid trolley and end socket by regulating mechanism
It connects, the clip for fixing the end socket and cylinder is provided on the cylinder, is provided on the clip for rotating and propping up
Support the rotary components of clip.
Optimization, it is provided with lid guide rail below the lid trolley, the lid trolley moves back on lid guide rail
It is dynamic, the rotary components include be arranged in the support clip of clip two sides and drive clip positive and negative rotation the first rotation driving and
Second rotation driving.
Optimization, it is provided with the gas support for fixing gas cylinder to be measured in the cylinder, is provided with below gas support
Sample guide rail.
Optimization, the temperature-controlling module includes heat exchanger, the temperature sensor that is arranged on cylinder, the heat exchanger
Annular is arranged in cylinder.
Optimization, the humid control component includes the humidity sensor being arranged on cylinder, humidification port, air inlet, institute
It states air inlet and inputs test gas for replacing air in cylinder.
Optimization, further include security monitoring component, the security monitoring component includes the storage pressure being arranged on cylinder
Sensor, cylinder pressure sensor are tested gas leakage warning instrument, and the port of installation rupture disk is also set up on the cylinder.
Optimization, the security monitoring component includes test gas displacement unit, and the test gas displacement unit includes
The storage pressure sensor that is arranged on cylinder, cylinder pressure sensor, the source nitrogen set gradually, pressure reducing valve, pressure valve K5,
The output end of pressure valve K4, pressure valve K4 are connect with air inlet；Test gas displacement unit further include pressure relief opening rear end successively
Relief valve K10, relief valve K11, the vacuum pump, check valve of setting.
Optimization, the security monitoring component further includes gas leakage monitoring unit under test gas, the under test gas
Interior gas leakage monitoring unit includes gas chromatograph, and gas chromatograph air hatch, gas chromatograph are provided on the cylinder
The gas of air hatch is connected by the input terminal of corresponding gas chromatographic detection valve group and gas chromatograph；The air inlet and outer
Displacement valve group is provided on the pipeline of portion's air supply unit connection, the gas chromatographic detection valve group, displacement valve group are filled with control
The control terminal connection set, the output end of gas chromatograph and the corresponding signal input terminal of control device connect.
Optimization, pressure release valve group is provided at the pressure relief opening, the controlled end of the pressure release valve group is connect with control device.
The present invention has the advantages that
(1) (such as composite material is high to sample for temperature-controlling module, humid control component in system of the present invention
Press hydrogen storage cylinder, valve etc.) extreme temperature and humidity environment is formed, such as temperature -40~+85 DEG C, humidity 95%；The setting of control device
Mounting platform and path interface are provided for sample, test procedure parameter monitoring instrument etc.；Cylinder and security monitoring component
It is set as the blast impulse that sample generates after failure and protection is provided.
(2) middle cylinder body of the present invention and end socket handling are realized by mechanical structure, and by rotary components come positive and negative
Clip is rotated, so that cylinder is sealing state when in use.
(3) present invention passes through the setting of gas support and sample guide rail, and sample to be tested is facilitated to be moved in cylinder.
(4) heat exchanger and temperature sensor realize the accurate adjusting of cylinder body temperature.Test gas displacement unit is for setting
The intracorporal air of creeling to reach gaseous environment required for test, and can also be used in the intracorporal pressure of adjustment barrel.
(5) security monitoring component ensure that the safety of test.
(6) gas leakage monitoring unit is controlled back and forth for measuring test effect, and by control device under test gas
Trystate processed.
(7) the pressure release valve group that the present invention is arranged on cylinder can be used for the intracorporal pressure of adjustment barrel, and wherein rupture disk is anti-
The only intracorporal hypertonia of cylinder, and cylinder thickness meets tested gas cylinder physical explosion antiknock demand.
(8) present invention is realized by setting gas chromatograph: 1) being detected cyclic fatigue and is tested gas after the interior displacement of conveyor front barrel
Body purity；2) for monitoring tested gas cylinder leak rate, gas leakage monitoring unit is for judging whether to leak, form and aspect gas spectrometer
With gas leakage monitoring unit matching.
Detailed description of the invention
Fig. 1 is the main view of cylinder of the present invention.
Fig. 2 is the top view of middle cylinder body of the present invention.
Fig. 3 is the side view and cross-sectional view of middle cylinder body of the present invention.
Fig. 4 is the connection figure of middle cylinder body of the present invention.
Fig. 5 is present system figure.
The meaning of label symbol is as follows in figure:
1- cylinder 11- end socket 12- clip 13- air inlet 14- storage pressure sensor
15- humidity sensor 16- gas chromatograph air hatch 17- temperature sensor
18- heat exchanger entrance 19- heat exchanger exit 110- cylinder pressure sensor
111- relief valve port 112- is tested gas leakage warning instrument 113- and is tested gas charge and discharge mouth
114- humidification port 115- heat exchanger 116- reserved opening 117- rupture disk
118- safety interlock 119- pressure relief opening 120- sewage draining exit
2- gas cylinder 31- sample guide rail 32- gas support to be measured
41- lid guide rail 42- lid trolley 43- regulating mechanism
The rotation driving rotation driving of 45- second of 44- first
51- source nitrogen 52- pressure reducing valve 53- pressure gauge 54- vacuum pump 55- check valve
61- gas chromatograph 62- control device
Specific embodiment
As shown in Figs. 1-5, a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue, including place gas to be measured
The cylinder 1 of bottle 2, control device 62, security monitoring component, under test gas gas leakage monitoring unit, controlled end respectively with control
Device 62 processed connect for loading and unloading the assistance component of 1 upper cover 11 of cylinder, be provided on the cylinder 1 in gas cylinder 2 to be measured
Gas charge and discharge component, temperature-controlling module, humid control component, security monitoring component corresponding port are also set on the cylinder 1
It is equipped in tested gas cylinder and is tested gas charge and discharge mouth 113.Cylinder 1 is cylindrical shape, and diameter is with the tested gas cylinder of length satisfaction and its admittedly
Determine mechanism installation, the installation of built-in heat exchanger 115 and the requirement such as temperature and humidity uniformity, thickness meets tested gas cylinder physics
Explosion antiknock demand.In the implementation, the gas in gas cylinder 2 to be measured is hydrogen.
The assistance component includes lid trolley 42, is connected between the lid trolley 42 and end socket 11 by regulating mechanism 43
It connects, the clip 12 for fixing the end socket 11 and cylinder 1 is provided on the cylinder 1, is provided with and is used on the clip 12
The rotary components of rotation and support clip 12.End socket 11 is spherical shape, cooperates with cylinder 1, is locked by clip 12, forms sealing
Face carries out forming sealed explosion-proof space.Regulating mechanism 43 is hydraulically extensible cylinder, and one end of hydraulically extensible cylinder is connect with trolley, separately
One end and end socket 11 are hinged.
Lid guide rail 41 is provided with below the lid trolley 42, the lid trolley 42 moves back on lid guide rail 41
Dynamic, the two sides of the clip 12 are respectively arranged with support clip 12 and drive the first rotation 44 Hes of driving of 12 positive and negative rotation of clip
Second rotation driving 45, it is corresponding to realize locking end socket 11 or loosen end socket 11.First rotation driving 44 and the second rotation driving
45 are flexibly connected with end socket 11.
It is provided with the gas support 32 for fixing gas cylinder 2 to be measured in the cylinder 1, is provided with sample below gas support 32
Product guide rail 31.
The temperature-controlling module includes heat exchanger 115, the temperature sensor being arranged on cylinder 1 17, the heat exchanger
115 annulars are arranged in cylinder 1.In detail, temperature-controlling module further includes the refrigeration unit being arranged in outside cylinder 1, described
The refrigerating medium of set temperature is carried out heat exchange by the gas in heat exchanger 115 and cylinder 1 by refrigeration unit, to realize cylinder
The control of environment temperature in 1.It is corresponding with heat exchanger 115, heat exchanger exit 19 and heat exchanger entrance are provided on the cylinder 1
18, the heat exchanger exit 19 and heat exchanger entrance 18 and external constant temperature water tank constitute water loops.
The humid control component includes the humidity sensor 15 being arranged on cylinder 1 and humidification port 114, the air inlet
13 input the test gas for replacing air in cylinder 1.Specifically, test gas is nitrogen.Humid control component external is also
It is provided with humidification water tank, the electric heater being arranged in humidification water tank, is filled with the tracheae of gas, electric heater into humidification water tank
Steam will be generated after the water heating humidified in water tank, steam passes through the pipeline connecting with humidification port 114 and is input in cylinder 1, gas
The vapor in gas push humidification water tank in pipe flows into cylinder 1.In this embodiment, endotracheal gas is nitrogen.Add
During wet, the pressure relief opening 119 also on opening cylinder 1 humidifies effect in enhancing cylinder 1 so that environment forms convection current in cylinder 1
Rate.Consider that nitrogen gas supplementing opening is arranged in the micro-positive pressure environment in cylinder 1, humidification water tank, introduces high pressure nitrogen and steamed as humidification with water
The power source of gas, to ensure that vapor can efficiently be delivered to 1 space of cylinder.For explosion-proof application circumstances, cylinder 1 adds
Wet process forms forced convertion environment by 119 pressure release of pressure relief opening, so that space vapor mass-transfer efficiency enhances, guarantees cylinder
Humidity uniformity in body 1.
The security monitoring component includes test gas displacement unit, gas leakage monitoring unit under test gas, urgent
Vent unit, guaranteeing gas cylinder 2 to be measured, there are the test safety under hydrogen gas leakage, explosion failure conditions.
Test gas displacement unit includes the storage pressure sensor 14 being arranged on cylinder 1, cylinder pressure sensor
110.For obtaining the pressure of corresponding position.Test gas displacement unit includes the source nitrogen 51 set gradually, pressure reducing valve 52, control
The output end of pressure valve K5, pressure valve K4, pressure valve K4 are connect with air inlet 13.Pressure reducing valve 52 is from output end gas piping also
It is additionally provided with pressure gauge 53.Test gas displacement unit further includes relief valve K10, relief valve K11, vacuum pump 54, check valve 55.
After the installation is completed to system, air in cylinder 1 is retracted to by certain negative pressure (such as -50kPa) by vacuum pump 54, is then charged with nitrogen
For gas to certain positive pressure (pressure > 0.2MPa in cylinder 1), nitrogen of then releasing is evacuated to negative pressure to normal pressure, then by vacuum pump 54, then fills
Enter to positive pressure, so vacuumizes-inflated with nitrogen certain number (such as 3 times) repeatedly, make for the last time full of nitrogen in cylinder 1, and protect
Hold micro-positive pressure (such as 5kPa).
Gas leakage monitoring unit includes tested gas leakage warning instrument 112, gas chromatograph 61 under test gas, described
16 position of gas chromatograph air hatch being arranged on cylinder 1 is evenly arranged in 1 top of cylinder.Tested gas leakage warning instrument
112 signal end is connect with control device 62, and control device 62 controls the on-off of relief valve K12, relief valve K12 and relief valve
K10 connects to form another way pressure release branch.The gas of gas chromatograph air hatch 16 passes through corresponding gas chromatographic detection valve group
It is connect with the input terminal of gas chromatograph 61, in this embodiment, including three gas chromatograph air hatch 16, three gas phase colors
The gas piping of 16 output end of spectrometer air hatch respectively by take gas control valve K1, take gas control valve K2, take gas control valve K3 with
Main pipe rail connection, main pipe rail is by taking gas control valve K6 and the input terminal of gas chromatograph 61 to connect.
Emergency discharge unit includes the rupture disk 117 that installation is arranged on the port of cylinder 1.
Gas leakage monitoring unit in the test gas displacement unit, under test gas, the valve in emergency discharge unit are worked as
When for electrically-controlled valve, controlled end is connect with the control terminal of control device 62, the output end and control device of gas chromatograph 61
62 corresponding signal input terminal connection.Pressure release valve group, the controlled end of the pressure release valve group and control are provided at the pressure relief opening 119
Device 62 processed connects.
Concentration is leaked by tested 112 monitoring hydrogen of gas leakage warning instrument, is let out by 61 monitoring hydrogen of gas chromatograph
Rate is leaked, control device 62 (is such as followed successively by I by leakage severity according to hydrogen gas leakage concentration and rate determination danger classes
Grade, II grades, III level).And then it takes and continues observation, stop testing and opening the measures such as pressure release valve group, nitrogen purging.
In addition, it is additionally provided with sewage draining exit 120 on cylinder 1, and is additionally provided with common safety interlock 118, peace
Full valve mouth 111.And it is additionally provided with reserved opening 116, for increasing the test function item of the system.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (10)
1. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue, which is characterized in that including placing gas cylinder to be measured
(2) cylinder (1), control device (62), the assistance component for loading and unloading cylinder (1) upper cover (11) are set on the cylinder (1)
Set port respectively with the interior gas charge and discharge component of gas cylinder to be measured (2), temperature-controlling module, humid control component, security monitoring component
It is correspondingly connected with, the tested gas charge and discharge mouth (113) being additionally provided on the cylinder (1) in tested gas cylinder, the control device
(62) signal end respectively with assistance component, gas charge and discharge component, temperature-controlling module, humid control component, security monitoring group
The signal end of part is correspondingly connected with.
2. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 1, feature exist
In the assistance component includes lid trolley (42), passes through regulating mechanism between the lid trolley (42) and end socket (11)
(43) it connects, the clip (12) for fixing the end socket (11) and cylinder (1), the clip is provided on the cylinder (1)
(12) rotary components for rotating and supporting clip (12) are provided on.
3. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 2, feature exist
In lid trolley (42) lower section is provided with lid guide rail (41), and the lid trolley (42) is come up in lid guide rail (41)
Return is dynamic, and the rotary components include setting in the support clip (12) of clip (12) two sides and driving clip (12) positive and negative rotation
First rotation driving (44) and second rotation drive (45).
4. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 2, feature exist
In, the interior gas support (32) being provided with for fixing gas cylinder to be measured (2) of the cylinder (1), the setting of gas support (32) lower section
There are sample guide rail (31).
5. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 1, feature exist
In the temperature-controlling module includes the temperature sensor (17) of heat exchanger (115), setting on cylinder (1), the heat exchanger
(115) annular setting is in cylinder (1).
6. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 1, feature exist
In the humid control component includes the humidity sensor (15) being arranged on cylinder (1), humidification port (114), air inlet
(13), the air inlet (13) inputs the test gas for replacing cylinder (1) interior air.
7. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 6, feature exist
In, it further include security monitoring component, storage pressure sensor of the security monitoring component including setting on cylinder (1)
(14), cylinder pressure sensor (110), tested gas leakage warning instrument (112) also set up installation explosion on the cylinder (1)
The port of piece (117).
8. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 6, feature exist
In the security monitoring component includes test gas displacement unit, and the test gas displacement unit includes being arranged in cylinder (1)
On storage pressure sensor (14), cylinder pressure sensor (110), the source nitrogen (51) set gradually, pressure reducing valve (52), control
The output end of pressure valve K5, pressure valve K4, pressure valve K4 are connect with air inlet (13)；Test gas displacement unit further includes in pressure release
Relief valve K10, relief valve K11, vacuum pump (54), the check valve (55) that mouth (119) rear end is set gradually.
9. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 8, feature exist
In the security monitoring component further includes gas leakage monitoring unit under test gas, gas leakage prison in the under test gas
Surveying unit includes gas chromatograph (61), is provided with gas chromatograph air hatch (16) on the cylinder (1), gas chromatograph takes
The gas of port (16) is connect by corresponding gas chromatographic detection valve group with the input terminal of gas chromatograph (61)；The air inlet
Displacement valve group, the gas chromatographic detection valve group, displacement valve group are provided on the pipeline that mouth (13) is connect with external air supply unit
It is connect with the control terminal of control device (62), the corresponding signal of the output end and control device (62) of gas chromatograph (61) is defeated
Enter end connection.
10. a kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue according to claim 9, feature exist
In being provided with pressure release valve group at the pressure relief opening (119), the controlled end of the pressure release valve group is connect with control device (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637366.2A CN110441039A (en) | 2019-07-15 | 2019-07-15 | A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637366.2A CN110441039A (en) | 2019-07-15 | 2019-07-15 | A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue |
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| CN201910637366.2A Pending CN110441039A (en) | 2019-07-15 | 2019-07-15 | A kind of explosion-proof environment simulation system for the test of hydrogen cyclic fatigue |
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Cited By (3)
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| CN111442913A (en) * | 2020-03-30 | 2020-07-24 | 麦格思维特(上海)流体工程有限公司 | High-pressure hydrogen fatigue test environment cabin for workpiece |
| CN111650245A (en) * | 2020-07-10 | 2020-09-11 | 天津大学 | System and method for testing flameless combustion spontaneous combustion temperature of combustible gas in high-pressure environment |
| CN114264551A (en) * | 2021-11-24 | 2022-04-01 | 合肥通用机械研究院有限公司 | Bursting test method and system for pressure vessel |
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Application publication date: 20191112 |
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