CN106443030A - Automated testing system for gas cylinder - Google Patents
Automated testing system for gas cylinder Download PDFInfo
- Publication number
- CN106443030A CN106443030A CN201610850235.9A CN201610850235A CN106443030A CN 106443030 A CN106443030 A CN 106443030A CN 201610850235 A CN201610850235 A CN 201610850235A CN 106443030 A CN106443030 A CN 106443030A
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- Prior art keywords
- water
- pressure
- gas cylinder
- tank
- pipeline
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses an automated testing system for a gas cylinder. The system comprises a water return tank, a measuring water tank, a circulating water tank, a measured gas cylinder, a water pressure testing loop used for regulating the pipeline water pressure, a gas pressure testing loop used for regulating the pipeline gas pressure, a four-way joint and a controller; the measured gas cylinder is installed in the water return tank through a support, the cylinder body part is immersed into the water return tank, an opening of the measured gas cylinder faces upwards, and a circulating water pump is arranged between the water return tank and the circulating water tank; the four-way joint is connected with the gas pressure testing loop, the water pressure testing loop, a pressure relieving pipeline and a high-pressure filter separately. According to the automated testing system, the comprehensive capability is high, automation of gastightness testing, strength testing, burst testing and residual deformation measuring of a pressure vessel can be achieved, and experimental results are more precise; the automation degree is high, volumetric measuring of the vessel and pressure increasing, pressure maintaining, pressure supplementing, pressure relieving and the like of the system all can be automatically completed, manual operation is not needed, and safety and reliability are achieved.
Description
Technical field
The present invention relates to a kind of gas cylinder measuring system, more particularly, to a kind of gas cylinder automatictesting system.
Background technology
Be both needed to during production of pressure container to carry out air seal test, strength test, explosion bulge test, residual deformation measurement and
Fatigue life test etc..Traditional experimental system, valve is that hand increasing pressure pump, pressure data are adopted using Non-follow control, high-pressure pump
Shown with mechanical pressure gauge and measured by graduated cylinder with a scale by artificial interpretation, liquid charge and discharge, the measuring precision is not high, number
According to poor reliability, process of the test is loaded down with trivial details inefficient.
Content of the invention
The purpose of the present invention is that offer one kind solves the above problems, and efficiency high, safety, labour intensity are low, be easy to letter
The gas cylinder automatictesting system of breathization management.
To achieve these goals, the technical solution used in the present invention is such：A kind of gas cylinder automatictesting system,
Including recovery tank, measurement water tank, cyclic water tank, tested gas cylinder, adjust the water pressure test loop of pipeline hydraulic pressure, adjust pipeline air pressure
Gas pressure test loop, four-way, controller；
Described tested gas cylinder is arranged in recovery tank by support, and bottle portion submerges in recovery tank and opening up, returns
Water tank and cyclic water tank, and between the two, it is provided with water circulating pump；
Described four-way connects gas pressure test loop, water pressure test loop, relief pipeline and high pressure filter respectively,
Wherein：Described water pressure test loop includes a main water route, Zhi Shuilu, water supply tank, can adjust the increasing of hydraulic pressure in pipeline
Pressure unit, described main water route one termination measurement water tank, a termination four-way, main water route is provided with K4 and V2, wherein V2 near four-way,
Zhi Shuilu one end connects main water route and is located between K4 and V2, and the other end connects water supply tank, and compress cell includes two output pipes,
Wherein one output pipe through K9 connect main water route near measurement water tank one end, another output pipe through K6 connected component water route, and
On Zhi Shuilu between this output pipe and water supply tank, it is provided with K3；
It is provided with V3, relief pipeline is provided with K5 and V4, wherein K5 is near four-way, high between described gas pressure test loop and four-way
The one end pressing through filter away from four-way connects a joint that can connect with gas cylinder opening；
Wherein, V2, V3, V4 be high pressure hand-operated needle-valve, K3, K4, K5, K6, K9 be high pressure air governor valve, high pressure air governor valve all with
Controller is connected.
As preferred：Also include a bulking system, described bulking system includes a water injecting tank, water injecting tank bottom is provided with one and is
It is provided with two filling pipes between the water filling port of tested gas cylinder water filling, described water injecting tank and water filling port, two filling pipes set respectively
There are big flow electrically-controlled valve K1 and low discharge electrically-controlled valve K2, above water injecting tank, be provided with the laser displacement sensing detecting its inside liquid level
Device, is provided with colored bead in tested gas cylinder, at tested gas cylinder opening, side is provided with the photoelectric sensor of the colored bead of monitoring, flow
Electrically-controlled valve K1, low discharge electrically-controlled valve K2, laser displacement sensor, photoelectric sensor are all connected with controller, described controller root
According to Data Control big flow electrically-controlled valve K1 of photo-sensor feedback and the folding of low discharge electrically-controlled valve K2.
As preferred：Also include a video monitor being connected with controller, described video monitor monitors tested gas cylinder
State.
As preferred：Also include a room, described room is divided into operating room and test equipment room, operation interior is provided with operation
Platform, controller is arranged on operating desk, and it is indoor that remaining equipment is arranged on test equipment.
As preferred：Described compress cell is the booster pump that can adjust pressure.
As preferred：On main water route between Zhi Shuilu and V2, it is provided with pressure sensor, the pipe between air pressure experimental loop and V3
Lu Shang, also is provided with pressure sensor.
Compared with prior art, it is an advantage of the current invention that：
1st, integration capability is strong, and the present invention can achieve pressure vessel air seal test, strength test, explosion bulge test, residual deformation
The automation of measurement, and experimental result is more accurate.
2nd, high degree of automation, all can be automatic from the supercharging to system for the volumetric measurement of container, pressurize, ftercompction, pressure release etc.
Complete, need not manually operate.
3rd, the level of informatization is high, experimental data can dynamic acquisition, show and store the total digitalization note it is achieved that data
Record.
4th, certainty of measurement is high, and system is not less than 0.1%FS to the certainty of measurement of hydraulic pressure, air pressure.
5th, safe and reliable, experimental facilities is separated with operating desk, while reducing labour intensity, improve efficiency, increases
Strong security.
Brief description
Fig. 1 arranges figure for the present invention；
Fig. 2 is circuit theory diagrams of the present invention；
Fig. 3 is bulking system schematic diagram；
Fig. 4 is gas pressure test circuit theory figure.
In figure：1st, four-way；2nd, high pressure filter；3rd, joint；4th, water circulating pump；5th, tested gas cylinder；6th, main water route；7th, Zhi Shui
Road；8th, colored bead；9th, water injecting tank；10th, video monitor.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1：Referring to Fig. 1 to Fig. 4, a kind of gas cylinder automatictesting system, including recovery tank, measurement water tank, circulation
Water tank, tested gas cylinder 5, the water pressure test loop adjusting pipeline hydraulic pressure, the gas pressure test loop adjusting pipeline air pressure, four-way 1, control
Device processed；
Described tested gas cylinder 5 is arranged in recovery tank by support, and bottle portion submerges in recovery tank and opening up, returns
Water tank and cyclic water tank, and between the two, it is provided with water circulating pump 4；
Described four-way 1 connects gas pressure test loop, water pressure test loop, relief pipeline and high pressure filter 2 respectively,
Wherein：Described water pressure test loop includes a main water route 6, Zhi Shuilu 7, water supply tank, can adjust hydraulic pressure in pipeline
Compress cell, described main water route 6 one termination measurement water tank, a termination four-way 1, main water route 6 is provided with K4 and V2, and wherein V2 is close
Four-way 1, Zhi Shuilu 7 one end connects main water route 6 and is located between K4 and V2, and the other end connects water supply tank, and compress cell includes two
Output pipe, through the main water route 6 of K9 connection near one end of measurement water tank, another output pipe connects wherein one output pipe through K6
On Zhi Shuilu 7 between Zhi Shuilu 7, and this output pipe and water supply tank, it is provided with K3；
Be provided with V3 between described gas pressure test loop and four-way 1, relief pipeline is provided with K5 and V4, wherein K5 near four-way 1,
High pressure filter 2 connects a joint 3 that can connect with gas cylinder opening away from one end of four-way 1；
Wherein, V1, V2, V3, V4 are high pressure hand-operated needle-valve, K3, K4, K5, K6, are high pressure air governor valve, and high pressure air governor valve is equal
It is connected with controller.
In the present embodiment：Also include a bulking system, described bulking system includes a water injecting tank 9, water injecting tank 9 bottom is provided with
One is to be provided with two filling pipes, on two filling pipes between the water filling port of tested gas cylinder 5 water filling, described water injecting tank 9 and water filling port
It is respectively equipped with big flow electrically-controlled valve K1 and low discharge electrically-controlled valve K2, above water injecting tank 9, be provided with the laser position detecting its inside liquid level
Displacement sensor, is provided with colored bead 8 in tested gas cylinder 5, at tested gas cylinder 5 opening, side is provided with the photoelectricity of the colored bead 8 of monitoring
Sensor, flow electrically-controlled valve K1, low discharge electrically-controlled valve K2, laser displacement sensor, photoelectric sensor are all connected with controller, institute
State controller according to Data Control big flow electrically-controlled valve K1 of photo-sensor feedback and the folding of low discharge electrically-controlled valve K2；
In the present embodiment, also include a video monitor 10 being connected with controller, described video monitor 10 monitors quilt
Survey gas cylinder 5 state；
In addition, in the present embodiment, also including a room, described room is divided into operating room and test equipment room, and operation is indoor
It is provided with operating desk, controller is arranged on operating desk, it is indoor that remaining equipment is arranged on test equipment.
In the present invention, system global structure such as Fig. 1, the present invention can carry out pressure vessel airtight on the basis of this system
Test, strength test, explosion bulge test, residual deformation measurement experiment etc..
For example：Close V2, open V3, gas pressure test loop is connected with gas cylinder, air pressure experiment can be carried out；Close V3, open V2；Water
Pressure test loop and gas cylinder；Connection, can carry out hydrostatic test；Magnetic valve K3, K4 open：Achievable hydrostatic test pipeline exhaust.
The method tested using apparatus of the present invention is as follows：
1st, original volume Vo measurement
The indirect method of measurement (filling measurement method)：Referring to Fig. 3, tested gas cylinder 5 adopts special tooling to position, opening upwards.Note
The filling speed setting big flow electrically-controlled valve of water tank 9 bottom and each one of low discharge electrically-controlled valve.First use big flow electrically-controlled valve by gas
Bottle is poured water to 90%, and remaining water is slowly filled using low discharge electrically-controlled valve.For effect of flood certainty of measurement when preventing water from filling,
When low discharge electrically-controlled valve terminates if being poured water, system setting is a set of to fill detection sensing device.Namely it is mentioned above：Video
Monitoring+colored bead 8, when water filled by gas cylinder, colored hollow beads expose bottleneck, and reflective photoelectric sensor opened point connects
Logical, linkage low discharge electrically-controlled valve is closed.Gas cylinder volume is then pressed：Vo=△ H*A calculates.
Wherein, △ H is the difference in height that in water injecting tank 9, liquid level declines, and A is the floor space of water injecting tank 9.
2nd, volume Vk measuring method after volume Vm and pressure release after pressurizeing
Measurement need to be opened water pressure test loop and be closed air pressure experimental loop herein.
(1) open the water compensating valve K3 in system diagram and relief valve K5, allow pipeline water-filling to be vented, and dock gas cylinder；
(2) close water compensating valve K3 and relief valve K5；
(3) adjust the plunger set of booster pump：0.2MPa → 0.4MPa → 0.6MPa → 0.8MPa → 1.0MPa → 0MPa,
The plunger waiting booster pump rests on the top position (by nature pressure reduction or startup centrifugal pump pressurization), and records measurement water tank
Level value H1；
(4) seal tightness test pressurization can be carried out herein：0MPa → 9.81MPa, pressurize 3min, open K4 pressure release to 0MPa；
(5) staged that makes a strength test again is pressurizeed：0MPa→1.0MPa→2.0MPa→……→33.0MPa→
33.2MPa → 33.4MPa → 33.6MPa → 33.8MPa → 34.0MPa → 34.2MPa → 34.32MPa, pressurize 10min；
(6) dwell time arrives, shutoff valve K6, K9, and records the level value H2 of measurement water tank；
(7) pressure release：Open valve K4, gas cylinder retraction pressure release, to 0MPa, waits gas cylinder retraction, and withdrawal duration arrives, record measurement
The level value H3 of water tank；
(8) plunger return：0.2MPa → 0.4MPa → 0.6MPa → 0.8MPa → 1.0MPa → 0MPa, waits booster pump
Plunger rests on the top position (by nature pressure reduction or startup centrifugal pump pressurization), and records the level value H4 of measurement water tank；
Calculate volume Vm after gas cylinder pressurization：
Vm=original volume+water tank output the water yield+pump built-in water decrement
=Vo+ (H2-H1) * S+ (H4 H3) * S
=Vo+ (H2+H4-H1 H3) * S S is that measurement tank cross-sectional amasss；Volume Vk when calculating gas cylinder pressure release：
The water yield that after Vk=pressurization, volume gas cylinder retraction is discharged
=Vm- (H2 H3) * S
=Vo+ (H4-H1) * S S is that measurement tank cross-sectional amasss；
3rd, gas cylinder remnants volume calculates automatically
Calculate gas cylinder remaining deformation：△=(Vk-Vo)/(Vm-Vo-Wa).
Claims (6)
1. a kind of gas cylinder automatictesting system it is characterised in that：Including recovery tank, measurement water tank, cyclic water tank, tested gas
Bottle, the water pressure test loop adjusting pipeline hydraulic pressure, the gas pressure test loop adjusting pipeline air pressure, four-way, controller；
Described tested gas cylinder is arranged in recovery tank by support, and bottle portion submerges in recovery tank and opening up, recovery tank
With cyclic water tank, and between the two, it is provided with water circulating pump；
Described four-way connects gas pressure test loop, water pressure test loop, relief pipeline and high pressure filter respectively,
Wherein：Described water pressure test loop includes a main water route, Zhi Shuilu, water supply tank, can adjust the supercharging list of hydraulic pressure in pipeline
Unit, described main water route one termination measurement water tank, a termination four-way, main water route is provided with K4 and V2, and wherein V2 is near four-way, Zhi Shui
Road one end connects main water route and is located between K4 and V2, and the other end connects water supply tank, and compress cell includes two output pipes, wherein
One output pipe connects main water route one end near measurement water tank through K9, and another output pipe is through K6 connected component water route, and this is defeated
Go out on the Zhi Shuilu between pipeline and water supply tank, be provided with K3；
It is provided with V3, relief pipeline is provided with K5 and V4, wherein K5 presses through near four-way, height between described gas pressure test loop and four-way
Filter connects a joint that can connect with gas cylinder opening away from one end of four-way；
Wherein, V2, V3, V4 be high pressure hand-operated needle-valve, K3, K4, K5, K6, K9 be high pressure air governor valve, high pressure air governor valve all with control
Device processed is connected.
2. gas cylinder automatictesting system according to claim 1 it is characterised in that：Also include a bulking system, described
Bulking system includes a water injecting tank, to be provided with one be the water filling port of tested gas cylinder water filling, described water injecting tank and water filling for water injecting tank bottom
It is provided with two filling pipes between mouthful, two filling pipes are respectively equipped with big flow electrically-controlled valve K1 and low discharge electrically-controlled valve K2, water filling
It is provided with the laser displacement sensor detecting its inside liquid level above case, in tested gas cylinder, be provided with colored bead, tested gas cylinder opening
Place side is provided with the photoelectric sensor of the colored bead of monitoring, flow electrically-controlled valve K1, low discharge electrically-controlled valve K2, laser displacement sensing
Device, photoelectric sensor are all connected with controller, and described controller is automatically controlled according to the Data Control big flow of photo-sensor feedback
Valve K1 and the folding of low discharge electrically-controlled valve K2.
3. gas cylinder automatictesting system according to claim 1 it is characterised in that：Also include one to be connected with controller
Video monitor, described video monitor monitors tested state of air cylinders.
4. gas cylinder automatictesting system according to claim 1 it is characterised in that：Also include a room, described room
It is divided into operating room and test equipment room, operation interior is provided with operating desk, and controller is arranged on operating desk, and remaining equipment is arranged on
Test equipment is indoor.
5. gas cylinder automatictesting system according to claim 1 it is characterised in that：Described compress cell is to adjust pressure
The booster pump of power.
6. gas cylinder automatictesting system according to claim 1 it is characterised in that：Main water route between Zhi Shuilu and V2
On, it is provided with pressure sensor, on the pipeline between air pressure experimental loop and V3, also be provided with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850235.9A CN106443030B (en) | 2016-09-26 | 2016-09-26 | Gas cylinder automatictesting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850235.9A CN106443030B (en) | 2016-09-26 | 2016-09-26 | Gas cylinder automatictesting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106443030A true CN106443030A (en) | 2017-02-22 |
| CN106443030B CN106443030B (en) | 2018-02-06 |
Family
ID=58169439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610850235.9A Active CN106443030B (en) | 2016-09-26 | 2016-09-26 | Gas cylinder automatictesting system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106443030B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389463A (en) * | 2017-08-23 | 2017-11-24 | 淮安信息职业技术学院 | A kind of gas cylinder hydraulic pressure detects water circulation utilization system |
| CN108225952A (en) * | 2017-12-01 | 2018-06-29 | 杭州东贝机电设备有限公司 | Gas cylinder fatigue tester |
| 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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| US4345458A (en) * | 1980-07-19 | 1982-08-24 | Meiko Industry Corporation, Limited | Water tank assembly for a pressure resistance measuring apparatus for testing containers |
| JPS607341A (en) * | 1983-06-28 | 1985-01-16 | Yokohama Rubber Co Ltd:The | Water-pressure testing method for pneumatic fender |
| CN201876390U (en) * | 2010-11-11 | 2011-06-22 | 无锡昌华机电制造有限公司 | Automatic control system for water pressure test of cylinder in water jacket method |
-
2016
- 2016-09-26 CN CN201610850235.9A patent/CN106443030B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4345458A (en) * | 1980-07-19 | 1982-08-24 | Meiko Industry Corporation, Limited | Water tank assembly for a pressure resistance measuring apparatus for testing containers |
| JPS607341A (en) * | 1983-06-28 | 1985-01-16 | Yokohama Rubber Co Ltd:The | Water-pressure testing method for pneumatic fender |
| CN201876390U (en) * | 2010-11-11 | 2011-06-22 | 无锡昌华机电制造有限公司 | Automatic control system for water pressure test of cylinder in water jacket method |
Non-Patent Citations (1)
| Title |
|---|
| 朴丕龙等: "一种新型气瓶气压试验设备", 《工程机械文摘》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389463A (en) * | 2017-08-23 | 2017-11-24 | 淮安信息职业技术学院 | A kind of gas cylinder hydraulic pressure detects water circulation utilization system |
| CN107389463B (en) * | 2017-08-23 | 2023-03-24 | 江苏电子信息职业学院 | Water recycling system for water pressure detection of gas cylinder |
| CN108225952A (en) * | 2017-12-01 | 2018-06-29 | 杭州东贝机电设备有限公司 | Gas cylinder fatigue tester |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106443030B (en) | 2018-02-06 |
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Address after: 610199 Sichuan Chengdu economic and Technological Development Zone (Longquanyi District) 189 Patentee after: Sichuan spaceflight Long March Equipment Manufacturing Co., Ltd. Address before: 610000 No. 189, Yi Du Avenue, Longquanyi District, Chengdu City, Chengdu, Sichuan. Patentee before: Changzheng Machinery Factory, China Astronautics Science and Technology Group Co |
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