CN203502178U - Pipeline volume detector using differential pressure method - Google Patents

Pipeline volume detector using differential pressure method Download PDF

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Publication number
CN203502178U
CN203502178U CN201320601970.8U CN201320601970U CN203502178U CN 203502178 U CN203502178 U CN 203502178U CN 201320601970 U CN201320601970 U CN 201320601970U CN 203502178 U CN203502178 U CN 203502178U
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CN
China
Prior art keywords
pressure
outlet
constant
kapillary
communicated
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Withdrawn - After Issue
Application number
CN201320601970.8U
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Chinese (zh)
Inventor
陈大银
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Chong Cai Connaught electrical Polytron Technologies Inc
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Hangzhou Qiao Hui Electronic Science And Technology Co Ltd
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Priority to CN201320601970.8U priority Critical patent/CN203502178U/en
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Publication of CN203502178U publication Critical patent/CN203502178U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a pipeline volume detector using a differential pressure method. The pipeline volume detector includes a work bench and a control circuit, the control circuit is arranged on the back side of the work bench, and a constant pressure gas tank, a pressure maintaining container, a fixing table and a water detecting apparatus are mounted on the work bench. An inlet of the constant pressure gas tank is externally connected with a gas feeding opening through a capillary, and an outlet of the constant pressure gas tank is interconnected with the pressure maintaining container; a differential pressure gauge is disposed in the pressure maintaining container, an inlet of the differential pressure gauge is interconnected with the pressure maintaining container, and an outlet of the differential pressure gauge is interconnected with an inlet of the fixing table; an outlet of the fixing table is interconnected with an inlet of the water detecting apparatus, and a detected sample is arranged on the fixing table; and the above apparatuses are interconnected through capillaries and electrically connected with the control circuit at the back side to achieve uniform control. Based on work principles of a water detecting method and an enclosed volume pressure detecting method, the pipeline volume detector using the differential pressure method can detect leakage of a product; and the pipeline volume detector can efficiently carry out qualitative detection on leakage and efficiently carry out quantitative measurement on leakage amount without putting a product in water.

Description

A kind of pipeline volume pressure differential method tester
Technical field
The utility model relates to a kind of pick-up unit of revealing about product, is a kind of pipeline volume pressure differential method tester specifically.
Background technology
Tradition needs the leakage of the product (mainly referring to the parts of pneumatic control here) of assurance sealing, mainly has two kinds of situations: product itself is to the leakage between external leakage and interiors of products passage.The latter can be led in water by connecting line, the way of water inspection is judged, it is a difficult problem that the outside micro-leakage of product itself detects, especially contour structures is complicated and have a product of control circuit, because continue, port can not guide gas leakage, product can not be put into water.Therefore in the process of batch production, effective rapid detection method of product leakage, becomes key subjects and confronts.
Method is simple for water inspection, be widely used, but can only qualitative detection cannot quantitative measurement.Also in the method for using, have in addition: special gas detects and sealed volume manometry.The former uses and has limitation in production scene, environment is existed and pollutes and can only qualitative detection can not carry out quantitative measurement, the latter can carry out quantitative measurement, but need the time to wait for that pressure changes, and equipment cost is larger compared with high investment, production effect is not high, and on streamline, batch detection also has difficulties.
Utility model content
For the problems referred to above, the utility model provides a kind of pipeline volume pressure differential method tester, according to the principle of work of water inspection method and sealed volume manometry, gets length separately, merges water inspection method and sealed volume manometry and is integrated and designs and produces.Leakage to product detects, and product need not be put into water, just can detect leakage by fast qualitative, again can quantitative determination leakage rate.
The utility model is achieved through the following technical solutions: a kind of pipeline volume pressure differential method tester, comprise worktable, control circuit, described control circuit is arranged in the back side of worktable, constant-pressure gas storage tank is installed on described worktable, pressurize container, fixed station, water checking device, the import of described constant-pressure gas storage tank is picked gas port by extracapillary, the outlet of described constant-pressure gas storage tank is communicated with pressurize container by kapillary, in described pressurize container, differential pressure indicator is set, the import of described differential pressure indicator is connected with pressurize container, the outlet of described differential pressure indicator is communicated with the import of fixed station by kapillary, the outlet of described fixed station is communicated with the import of water checking device by kapillary, on described fixed station, place test sample, described constant-pressure gas storage tank, pressurize container, fixed station, water checking device is all electrically connected to the control circuit at the back side, by its unified control.
As preferably, between described constant-pressure gas storage tank and pressurize container, tensimeter is set, four-way is installed in described manometric outlet, described four-way one tunnel is communicated with the outlet of constant-pressure gas storage tank, one tunnel is communicated with manometric outlet, one tunnel is communicated with the import of pressurize container, and a road is communicated with the kapillary that is provided with valve B, described in be provided with the kapillary of valve B and the outlet of described differential pressure indicator, fixed station import by threeway, be interconnected.
As preferably, the import of described constant-pressure gas storage tank arranges total valve A, and the outlet of described fixed station arranges two-way kapillary, is respectively equipped with valve C and valve D on two-way kapillary, and described two-way kapillary is all communicated with water checking device.
As preferably, described constant-pressure gas storage tank is fixed on backboard by fixed band.
Preferably, described fixed station is " L " type, fixing articles holding table on the surface level of described fixed station, described articles holding table is used for placing test sample, the top of described articles holding table is provided with clamp device, and described clamp device is fixed on the vertical plane of fixed station, and described clamp device can be up and down.
Preferably, described clamp device lower end arranges compact heap, and wherein compact heap adopts quality of rubber materials.
The utility model has been taked after abovementioned technology, its beneficial effect is remarkable: with kapillary, constant-pressure gas storage tank, pressurize container, differential pressure indicator, water checking device and test sample are linked together, differential pressure indicator is placed in pressurize container, guarantee that differential pressure indicator can not bear too high pressure reduction, the working pressure of tensimeter indication worktable, valve and control circuit forming control system are controlled each several part and are normally worked, and constant-pressure gas storage tank guarantees the air pressure of test loop.The utility model is due to integrated water inspection method and two kinds of leak hunting methods of pressure differential method, can qualitative detection can quantitatively detect again, more various single leak hunting methods, the work effect that pipeline volume pressure reduction test board detects has great raising, per minute can be tested 6-10 product, work efficiency is high, and its economic benefit is obvious.Do not pollute, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
In figure, 1 is fixed band, the 2nd, and backboard, the 3rd, constant-pressure gas storage tank, the 4th, tensimeter, the 5th, kapillary, the 6th, differential pressure indicator, the 7th, pressurize container, the 8th, fixed station, the 9th, clamp device, the 10th, compact heap, the 11st, water checking device, the 12nd, articles holding table, the 13rd, worktable, the 14th, total valve A, the 15th, valve B, the 16th, valve C, the 17th, valve D.
Embodiment
Contrast accompanying drawing is below further described the utility model in conjunction with the embodiments.
Reference as shown in Figure 1, a kind of pipeline volume pressure differential method tester, comprise worktable 13, control circuit, control circuit is arranged in the back side of worktable 13, constant-pressure gas storage tank 3 is installed on worktable 13, pressurize container 7, fixed station 8, water checking device 11, the import of constant-pressure gas storage tank 3 is by the external air taking port of kapillary 5, the import of constant-pressure gas storage tank 3 arranges total valve A14, this constant-pressure gas storage tank 3 is fixed on backboard 2 by fixed band 1, the outlet of constant-pressure gas storage tank 3 is communicated with a four-way by kapillary 5, other of four-way three tunnels are respectively: a road is communicated with the outlet of tensimeter 4, one tunnel is communicated with the import of pressurize container 7, one tunnel is communicated with the kapillary 5 that is provided with valve B15, wherein tensimeter 4 is between constant-pressure gas storage tank 3 and pressurize container 7, the interior differential pressure indicator 6 that arranges of pressurize container 7, the import of differential pressure indicator 6 is connected with pressurize container 7, the outlet of differential pressure indicator 6 is communicated in a threeway with the kapillary 5 that is provided with valve B15, another road of threeway is communicated with the import of fixed station 8, the outlet of fixed station 8 arranges two-way kapillary, on two-way kapillary, be respectively equipped with valve C16 and valve D17, this two-way kapillary is all communicated with water checking device 11, fixed station 8 is " L " type, fixing articles holding table 12 on the surface level of fixed station 8, articles holding table 12 is for placing test sample, the top of articles holding table 12 is provided with clamp device 9, described clamp device 9 is fixed on the vertical plane of fixed station 8, it can be up and down, the clamp device 9 is here with the handle of pressing downwards, the lower end of handle connects catch bar, the lower end of catch bar arranges compact heap, wherein compact heap adopts quality of rubber materials, compact heap is for being steadily pressed on articles holding table 12 by test sample.Above-mentioned said constant-pressure gas storage tank 3, pressurize container 7, fixed station 8, water checking device 11, tensimeter 4 etc. are all electrically connected to the control circuit at the back side, and the switch of 4 valves of control circuit major control, by its unified control.
Product work principle: after test sample is fixed on articles holding table, open total valve A and connect and adjust measuring air pressure, allow kapillary on worktable, constant-pressure gas storage tank, pressurize container, differential pressure indicator is full of the pressurized air of certain pressure, the system air pressure showing until tensimeter reaches after test request, Open valve B and respectively Open valve C and valve D, whether water inspection method checkout sample interior passage leaks gas, whether first qualitative observation test sample interior leaks gas, then close all valves, control valve C and valve D successively, observe the pressure surge of differential pressure indicator and determine the leakage to external world of test sample, play quantitative observation.
Control circuit in the utility model is furnished with the Switching Power Supply of 24V, has timing unit, protection control module, data processing unit, display unit in control circuit.Worktable is provided with 4 buttons; 4 buttons connect the control circuit at the back side; 4 buttons send manual operation instruction; on articles holding table, be provided with station sensor, and the pressure transducer of tensimeter preparation, above-mentioned each output order is given protection control module; protection control module provides air inlet and controls, detects and control, protect control signal; thereby control each solenoid valve and carry out switch, by data processing unit, display unit, show visible numerical value.
What more than enumerate is only specific embodiment of the utility model, and obviously, the utility model is not limited to above embodiment.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model, all should belong to protection domain of the present utility model.

Claims (6)

1. a pipeline volume pressure differential method tester, comprise worktable, control circuit, described control circuit is arranged in the back side of worktable, it is characterized in that, constant-pressure gas storage tank is installed on described worktable, pressurize container, fixed station, water checking device, the import of described constant-pressure gas storage tank is picked gas port by extracapillary, the outlet of described constant-pressure gas storage tank is communicated with pressurize container by kapillary, in described pressurize container, differential pressure indicator is set, the import of described differential pressure indicator is connected with pressurize container, the outlet of described differential pressure indicator is communicated with the import of fixed station by kapillary, the outlet of described fixed station is communicated with the import of water checking device by kapillary, on described fixed station, place test sample.
2. a kind of pipeline volume pressure differential method tester according to claim 1, it is characterized in that, between described constant-pressure gas storage tank and pressurize container, tensimeter is set, four-way is installed in described manometric outlet, described four-way one tunnel is communicated with the outlet of constant-pressure gas storage tank, and a road is communicated with manometric outlet, and a road is communicated with the import of pressurize container, one tunnel is communicated with the kapillary be provided with valve B, described in be provided with the kapillary of valve B and the outlet of described differential pressure indicator, fixed station import by threeway, be interconnected.
3. a kind of pipeline volume pressure differential method tester according to claim 2, it is characterized in that, the import of described constant-pressure gas storage tank arranges total valve A, the outlet of described fixed station arranges two-way kapillary, on two-way kapillary, be respectively equipped with valve C and valve D, described two-way kapillary is all communicated with water checking device.
4. a kind of pipeline volume pressure differential method tester according to claim 1, is characterized in that, described constant-pressure gas storage tank is fixed on backboard by fixed band.
5. a kind of pipeline volume pressure differential method tester according to claim 1, it is characterized in that, described fixed station is " L " type, fixing articles holding table on the surface level of described fixed station, described articles holding table is used for placing test sample, the top of described articles holding table is provided with clamp device, and described clamp device is fixed on the vertical plane of fixed station, and described clamp device can be up and down.
6. a kind of pipeline volume pressure differential method tester according to claim 5, is characterized in that, described clamp device lower end arranges compact heap.
CN201320601970.8U 2013-09-27 2013-09-27 Pipeline volume detector using differential pressure method Withdrawn - After Issue CN203502178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320601970.8U CN203502178U (en) 2013-09-27 2013-09-27 Pipeline volume detector using differential pressure method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320601970.8U CN203502178U (en) 2013-09-27 2013-09-27 Pipeline volume detector using differential pressure method

Publications (1)

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CN203502178U true CN203502178U (en) 2014-03-26

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630302A (en) * 2013-09-27 2014-03-12 杭州乔辉电子科技有限公司 Tester for testing pipeline volume through differential pressure method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630302A (en) * 2013-09-27 2014-03-12 杭州乔辉电子科技有限公司 Tester for testing pipeline volume through differential pressure method

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Free format text: CORRECT: ADDRESS; FROM: 310030 HANGZHOU, ZHEJIANG PROVINCE TO: 445000 ENSHI TUJIA AND MIAO AUTONOMOUS PREFECTURE, HUBEI PROVINCE

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Owner name: HUBEI CHUANGSINUO ELECTRICAL TECHNOLOGY CORP.

Free format text: FORMER OWNER: HANGZHOU QIAOHUI ELECTRONIC TECHNOLOGY CO., LTD.

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Address after: 162 No. 445000 Enshi city in Hubei Province Kim Boulevard

Patentee after: Hubei Chong Cai Connaught electrical Polytron Technologies Inc

Address before: Hangzhou City, Zhejiang Province, Xihu District three, Hangzhou 310030, West Lake science and Technology Park Vibration Road No. 203

Patentee before: Hangzhou Qiao Hui Electronic Science and Technology Co., Ltd.

C25 Abandonment of patent right or utility model to avoid double patenting
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AV01 Patent right actively abandoned

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