CN203083885U - Novel outside-measuring-method hydrostatic test device - Google Patents

Novel outside-measuring-method hydrostatic test device Download PDF

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Publication number
CN203083885U
CN203083885U CN 201320062322 CN201320062322U CN203083885U CN 203083885 U CN203083885 U CN 203083885U CN 201320062322 CN201320062322 CN 201320062322 CN 201320062322 U CN201320062322 U CN 201320062322U CN 203083885 U CN203083885 U CN 203083885U
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CN
China
Prior art keywords
water
pressure
gas cylinder
valve
low pressure
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Expired - Fee Related
Application number
CN 201320062322
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Chinese (zh)
Inventor
陈达如
沈明海
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HANGZHOU BACOU MACHINERY MANUFACTURING Co Ltd
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HANGZHOU BACOU MACHINERY MANUFACTURING Co Ltd
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Priority to CN 201320062322 priority Critical patent/CN203083885U/en
Application granted granted Critical
Publication of CN203083885U publication Critical patent/CN203083885U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a novel outside-measuring-method hydrostatic test device. The novel outside-measuring-method hydrostatic test device is characterized in that one end of a total manual value is connected with a water source, and the other end of the total manual value is connected with the water inlet port of a booster pump; a temperature sensor is used for detecting the temperature of the water source; the water outlet port of the booster pump is connected with the water inlet of a one-way valve; the water outlet of the one-way valve is connected with the water inlets of a plurality of gas cylinder testing devices, and a pressure meter, one end of a pressure sensor and one end of a decompression solenoid valve are further connected on a pressure-bearing flexible tube between the water outlet of the one-way valve and the water inlet of a first gas cylinder testing device; and the other end of the pressure sensor, the control port of the decompression solenoid valve, the signal output end of the temperature sensor and the control port of the booster pump are all in signal connection with a computer control center, and the water outlet port of the decompression solenoid valve is connected with a drain tank through a low-pressure water pipe. According to the novel outside-measuring-method hydrostatic test device, by connecting a plurality of water jackets in series, the detection on a plurality of gas cylinders can be simultaneously realized, the detection cost is lowered, and the detection efficiency is improved, so that the device has the advantages of high automation, low cost and high efficiency.

Description

Novel outside measurement method water test unit
Technical field
The utility model belongs to gas cylinder detection technique field, particularly a kind of novel outside measurement method water test unit.
Background technology
Gas cylinder is having a wide range of applications aspect people's daily life and the commercial production as the loading appliance of all gases.The gas cylinder enormous amount often is moved and repeats refitting, and environment for use is also usually relatively abominable, in case blast, brings heavy losses for people's lives and properties, and social safety is caused tremendous influence.In order to strengthen the safety monitor of gas cylinder, guarantee that gas cylinder safely uses, the protection person and property safety, every gas cylinder must regularly detect by only check.Robotization outside measurement method Hydraulic test technique in conjunction with robotization, computer technology is one of gordian technique of check gas cylinder quality, has become one of necessary detection technique of national regulation.
Gas cylinder outside measurement method Hydraulic test technique has progressively developed into the brand-new automatization level of present computer control, automatic data collection, automatic report generation from manual operation, the manual record data in past.Yet existing gas cylinder outside measurement method hydraulic testing system generally once can only realize the detection of single gas cylinder, has restricted detection speed and detection efficiency greatly, can not satisfy the demand of gas cylinder production testing in enormous quantities.Therefore, invention is a kind of can realize simultaneously that a plurality of gas cylinder outside measurement method water test units are significant.
Summary of the invention
The utility model is exactly at the deficiencies in the prior art, has proposed a kind of novel outside measurement method water test unit.
The utility model comprises total hand valve, first temperature sensor, supercharge pump, retaining valve, tensimeter, pressure release solenoid valve, computer controlling center and a plurality of gas cylinder proving installation.
One end of total hand valve is connected with the low pressure water pipe with the water source, and the other end is connected with the low pressure water pipe with the water inlet port of supercharge pump; The control port of supercharge pump is connected with the computer controlling center signal; First temperature sensor is used to detect the water source temperature, and the signal output part of first temperature sensor is connected with the computer controlling center signal; The water outlet port of supercharge pump is connected with the pressure-bearing flexible pipe with the retaining valve water inlet; The retaining valve water delivering orifice is connected with the pressure-bearing flexible pipe with a plurality of gas cylinder proving installation water inlets, also is connected to an end of tensimeter, pressure transducer, an end of pressure release solenoid valve on the pressure-bearing flexible pipe between retaining valve water delivering orifice and first gas cylinder proving installation water inlet; The other end of pressure transducer is connected with the computer controlling center signal; The control port of pressure release solenoid valve is connected with the computer controlling center signal, and the water outlet port of pressure release solenoid valve is connected with the low pressure water pipe with blowoff basin; The working pressure of described supercharge pump is greater than the working pressure of gas cylinder to be checked.
Described gas cylinder proving installation comprises three hand valves, water jacket, electronic balance and second temperature sensor; Gas cylinder to be measured is arranged in the water jacket, and the pressurization port of gas cylinder to be measured is connected with the retaining valve water delivering orifice as gas cylinder proving installation water inlet, and the pressurization port of described gas cylinder to be measured is positioned on the water jacket plug; One end of first hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with measuring cup, and measuring cup is placed on the electronic balance, and electronic balance is connected with the computer controlling center signal; One end of second hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with the water source; One end of the 3rd hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with blowoff basin; Second temperature sensor is installed on the water jacket, and the signal output part of second temperature sensor is connected with the computer controlling center signal.
The utility model mainly is applicable to the hydraulic testing of gas cylinder outside measurement method, adopted 1 in computing machine being furnished with capture card, driver card and corresponding software as control center, realized real-time monitoring by pressure transducer, temperature sensor to line pressure and actuating medium temperature, realized accurate control to gas cylinder internal pressure to be measured having realized the robotization of operation and data recording and processing by supercharge pump and pressure release solenoid valve.The utility model has been realized simultaneously the detection of a plurality of gas cylinders is greatly reduced the detection cost by a plurality of water jackets of series connection, has promoted detection efficiency, has high automation, low cost, high efficiency advantage.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is time-tonogram that an outside measurement method hydraulic testing of four gas cylinders detects.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the device of realizing the hydraulic testing of 4 gas cylinder outside measurement methods simultaneously comprises 13 of hand valves, 5 of temperature sensors, 4 of water jackets, 4 in measuring cup, and 4 of electronic balances, working pressure are greater than 1 of 1 on 1 on 1 of supercharge pump, retaining valve, tensimeter, pressure release solenoid valve, 1 of the computer controlling center of P0.
One end of total hand valve 1 is connected with the low pressure water pipe with water source (tap water after leaving standstill), and the water inlet port of the other end and supercharge pump 2 is connected with the low pressure water pipe; The control port of supercharge pump 2 is connected with computer controlling center 3 usefulness leads; One end of temperature sensor 4 is connected with the water source, and the other end is connected with computer controlling center 3 usefulness leads; The water outlet port of supercharge pump 2 is connected with the pressure-bearing flexible pipe with the inlet of retaining valve 5; The pressurization port of the gas cylinder to be measured in the outlet of retaining valve 5 and first water jacket 9 is connected with the pressure-bearing flexible pipe; Also connect an end of tensimeter 7, pressure transducer 6, an end of pressure release solenoid valve 8 on the pressure-bearing flexible pipe; The other end of pressure transducer 6 is connected with computer controlling center 3 usefulness leads with lead; The control port of pressure release solenoid valve 8 is connected with computer controlling center 3 usefulness leads, and the water outlet port of pressure release solenoid valve 8 is connected with the low pressure water pipe with blowoff basin; First water jacket 9 is connected with the low pressure water pipe with an end of hand valve 10, an end of hand valve 13, an end of hand valve 14 respectively, wherein the other end of hand valve 10 is connected with measuring cup 11 usefulness low pressure water pipes, measuring cup 11 is placed on the electronic balance 12, and the output port of electronic balance 12 is connected with computer controlling center 3 usefulness leads; The other end of hand valve 13 is connected with the low pressure water pipe with the water source; Wherein the other end of hand valve 14 is connected with the low pressure water pipe with blowoff basin; One end of first water jacket 9 jointing temp sensors 15, the other end of temperature sensor 15 is connected with computer controlling center 3 usefulness leads.Water jacket 9, hand valve 10, measuring cup 11, electronic balance 12, hand valve 13, hand valve 14 and temperature sensor 15 have constituted first group of gas cylinder proving installation, and 4 groups of same gas cylinder proving installation I, II, III, IV are along the pressure-bearing flexible pipe series connection that is connected with retaining valve 5.
Utilize the temperature sensing method of this pick-up unit may further comprise the steps:
(1) determine that the working pressure that gas cylinder detects is 30MPa, the gas cylinder quantity of determining one-time detection is 4;
(2) select 13 of hand valves, 5 of temperature sensors, 4 of water jackets, 4 in measuring cup, 4 of electronic balances; Select supercharge pump 1, retaining valve 1, tensimeter 1, pressure release solenoid valve 1 and the pressure-bearing flexible pipe of working pressure greater than 30MPa; Selection is furnished with 1 in the computing machine of capture card, driver card and corresponding software as control center.
(3) end with hand valve 1 is connected with the low pressure water pipe with water source (tap water after leaving standstill), and the other end of hand valve 1 and the water inlet port of supercharge pump 2 are connected with the low pressure water pipe; The control port of supercharge pump 2 is connected with computer controlling center 3 usefulness leads; One end of temperature sensor 4 is connected with the water source, the other end of temperature sensor 4 is connected with computer controlling center 3 usefulness leads; The water outlet port of supercharge pump 2 and the inlet of retaining valve 5 are connected with the pressure-bearing flexible pipe; The pressurization port of the gas cylinder to be measured 16 in the outlet of retaining valve 5 and first water jacket 9 is connected with the pressure-bearing flexible pipe; Also connect an end of tensimeter 7, pressure transducer 6, an end of pressure release solenoid valve 8 on the pressure-bearing flexible pipe; The other end of pressure transducer 6 is connected with computer controlling center 3 usefulness leads with lead; The control port of pressure release solenoid valve 8 is connected with computer controlling center 3 usefulness leads, the water outlet port of pressure release solenoid valve 8 is connected with the low pressure water pipe with blowoff basin; First water jacket 9 is connected with the low pressure water pipe with an end of hand valve 10, an end of hand valve 13, an end of hand valve 14 respectively, the other end of hand valve 10 is connected with measuring cup 11 usefulness low pressure water pipes, measuring cup 11 is placed on the electronic balance 12, the output port of electronic balance 12 is connected with computer controlling center 3 usefulness leads; The other end of hand valve 13 is connected with the low pressure water pipe with the water source; The other end of hand valve 14 is connected with the low pressure water pipe with blowoff basin; With an end of first water jacket 9 jointing temp sensors 15, the other end of temperature sensor 15 is connected with computer controlling center 3 usefulness leads.Water jacket 9, hand valve 10, measuring cup 11, electronic balance 12, hand valve 13, hand valve 14 and temperature sensor 15 have constituted first group of gas cylinder proving installation, and same second, third, the 4th group of gas cylinder proving installation are along the pressure-bearing flexible pipe series connection that is connected with retaining valve 5.
(4) be that 10.1,15.0,20.0,20.1 gas cylinder to be measured 16 is respectively charged in 4 water jackets with 4 actual measurement volumes, and be connected with the hydroslatic joint of water jacket inside; Regulate 3 hand valves that connect water jacket, making does not have residual air by the water jacket inner filling water; By computer controlling center control supercharge pump and pressure release solenoid valve, making pressure-bearing water pipe and gas cylinder inner filling water to be measured does not have residual air;
(5) open the hand valve that is connected with supercharge pump; The hand valve that unlatching and measuring cup are connected with water jacket; Close other 2 hand valves that are connected with water jacket; Close the pressure release solenoid valve; Opening pressure sensor and temperature sensor; There is computer controlling center to open supercharge pump, makes that the gas cylinder internal pressure begins to increase; When pressure transducer shows that pressure arrives test pressure 30MPa, close supercharge pump, keep the state of storage pressure 30MPa to keep 60 seconds, the maximum swelling amount that read each gas cylinder of electronic balance data computation this moment is respectively 0.1060L, 0.1610L, 0.2098L, 0.2061L; At last, open the pressure release solenoid valve, allow gas cylinder inside water pressure decline minimum pressure, the affter-expansion amount that read each gas cylinder of electronic balance data computation this moment is respectively 0.00101L, 0.00172L, 0.00251L, 0.00672L; The data of reading temperature sensor are 20.1 degree;
(6) according to national standard " GB 17258-1998 automobile steel bottle filled with compressed natural gas ", the rate of residual of calculating 4 gas cylinders is respectively 0.93%, 1.07%, 1.20%, 3.26%.National Specification " in pressurize 1 min, gauge hand must not return and fall, rate of residual volumetric deformation must not greater than 3% ", the time pressure figure (Fig. 2) in conjunction with computing machine generates automatically can judge that preceding 3 gas cylinders are qualified, the 4th gas cylinder is defective.
The utility model has utilized high performance computing machine as control center, realized real-time monitoring based on pressure transducer, temperature sensor, capture card, driver card and corresponding software to line pressure and actuating medium temperature, realized accurate control to gas cylinder internal pressure to be measured having realized the robotization of operation and data recording and processing by supercharge pump and pressure release solenoid valve.The utility model has been realized simultaneously the detection of a plurality of gas cylinders is greatly reduced the detection cost by a plurality of water jackets of series connection, has promoted detection efficiency, has high automation, low cost, high efficiency advantage.

Claims (1)

1. novel outside measurement method water test unit comprises total hand valve, first temperature sensor, supercharge pump, retaining valve, tensimeter, pressure release solenoid valve, computer controlling center and a plurality of gas cylinder proving installation, it is characterized in that:
One end of total hand valve is connected with the low pressure water pipe with the water source, and the other end is connected with the low pressure water pipe with the water inlet port of supercharge pump; The control port of supercharge pump is connected with the computer controlling center signal; First temperature sensor is used to detect the water source temperature, and the signal output part of first temperature sensor is connected with the computer controlling center signal; The water outlet port of supercharge pump is connected with the pressure-bearing flexible pipe with the retaining valve water inlet; The retaining valve water delivering orifice is connected with the pressure-bearing flexible pipe with a plurality of gas cylinder proving installation water inlets, also is connected to an end of tensimeter, pressure transducer, an end of pressure release solenoid valve on the pressure-bearing flexible pipe between retaining valve water delivering orifice and first gas cylinder proving installation water inlet; The other end of pressure transducer is connected with the computer controlling center signal; The control port of pressure release solenoid valve is connected with the computer controlling center signal, and the water outlet port of pressure release solenoid valve is connected with the low pressure water pipe with blowoff basin; The working pressure of described supercharge pump is greater than the working pressure of gas cylinder to be checked;
Described gas cylinder proving installation comprises three hand valves, water jacket, electronic balance and second temperature sensor; Gas cylinder to be measured is arranged in the water jacket, and the pressurization port of gas cylinder to be measured is connected with the retaining valve water delivering orifice as gas cylinder proving installation water inlet, and the pressurization port of described gas cylinder to be measured is positioned on the water jacket plug; One end of first hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with measuring cup, and measuring cup is placed on the electronic balance, and electronic balance is connected with the computer controlling center signal; One end of second hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with the water source; One end of the 3rd hand valve is connected with water jacket with the low pressure water pipe, and the other end is connected with the low pressure water pipe with blowoff basin; Second temperature sensor is installed on the water jacket, and the signal output part of second temperature sensor is connected with the computer controlling center signal.
CN 201320062322 2013-02-04 2013-02-04 Novel outside-measuring-method hydrostatic test device Expired - Fee Related CN203083885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320062322 CN203083885U (en) 2013-02-04 2013-02-04 Novel outside-measuring-method hydrostatic test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320062322 CN203083885U (en) 2013-02-04 2013-02-04 Novel outside-measuring-method hydrostatic test device

Publications (1)

Publication Number Publication Date
CN203083885U true CN203083885U (en) 2013-07-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103091175A (en) * 2013-02-04 2013-05-08 杭州巴固机械制造有限公司 Novel outside-test hydraulic pressure test method and device
CN104833586A (en) * 2015-05-08 2015-08-12 大连理工大学 Novel pressure test system for braided hose
CN106353176A (en) * 2015-07-14 2017-01-25 中冶宝钢技术服务有限公司 High-low parameter system pressure test device and high-low parameter system pressure test method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103091175A (en) * 2013-02-04 2013-05-08 杭州巴固机械制造有限公司 Novel outside-test hydraulic pressure test method and device
CN103091175B (en) * 2013-02-04 2015-08-12 杭州巴固机械制造有限公司 Outside-test hydraulic pressure test method
CN104833586A (en) * 2015-05-08 2015-08-12 大连理工大学 Novel pressure test system for braided hose
CN104833586B (en) * 2015-05-08 2017-06-23 大连理工大学 A kind of novel weaved hose pressure test system
CN106353176A (en) * 2015-07-14 2017-01-25 中冶宝钢技术服务有限公司 High-low parameter system pressure test device and high-low parameter system pressure test method
CN106353176B (en) * 2015-07-14 2019-10-22 中冶宝钢技术服务有限公司 Height parameter system pressure testing device and height parameter system pressure-measuring method

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130724

Termination date: 20140204