CN211452829U - Multifunctional valve detection system - Google Patents

Multifunctional valve detection system Download PDF

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Publication number
CN211452829U
CN211452829U CN201921829683.6U CN201921829683U CN211452829U CN 211452829 U CN211452829 U CN 211452829U CN 201921829683 U CN201921829683 U CN 201921829683U CN 211452829 U CN211452829 U CN 211452829U
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valve
water
pipeline
tested
pipelines
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施东升
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Suzhou Beiyate Precision Automation Machinery Co ltd
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Suzhou Beiyate Precision Automation Machinery Co ltd
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Abstract

The utility model relates to a valve detecting system, concretely relates to multi-functional valve detecting system. Including PLC controller, the valve that awaits measuring, pressure differential sensor, rivers detection switch, bubble leak hunting module, water droplet leak hunting module, water tank, water pump, check valve, air supply processing subassembly, booster pump, compressed air, collection card and computer, PLC controls entire system, data acquisition is gathered to the collection card, with data transfer to PLC controller, PLC controller carries out data processing for the computer with the data transmission who gathers. The utility model discloses a PLC controller realizes the full automatization of testing process, improves detection efficiency, and the system has realized that a system carries out different outer hourglass and interior hourglass detection to different valves through the cooperation of each valve.

Description

Multifunctional valve detection system
Technical Field
The utility model relates to a valve detecting system, concretely relates to multi-functional valve detecting system.
Background
General valve detection has outer hourglass test and interior hourglass test, and the valve detecting system of prior art detects whether the valve leaks outward or interior hourglass, need test the valve through two or more systems, and the unable way is accomplished unify, and the mode of testing the valve is more single moreover, and after a functional test had been accomplished, needs artifical manual adjustment, and the efficiency that leads to the valve to detect is lower, can't adapt to large-scale automatic test. Because of the single detection system, generally, only one type of valve can be detected by one valve detection device, and multiple valves cannot be detected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a through a system, to the valve of difference, utilize multiple method to carry out the multi-functional valve detecting system that detects to the valve.
The utility model provides a technical scheme that its technical problem adopted is:
a multi-functional valve detecting system which characterized in that: the device comprises a PLC (programmable logic controller), a valve to be detected, a differential pressure sensor, a water flow detection switch, a bubble leakage detection assembly, a water drop leakage detection assembly, a water tank, a water pump, a check valve, an air source processing assembly, a booster pump and compressed air;
the air source processing assembly is used for processing the compressed air, and is connected with an inlet of the booster pump through a pipeline;
the gas source processing assembly is connected with the outlet of the check valve through a first two-way valve and a first valve pipeline, the water tank is respectively connected with the water inlet of the water pump and the inlet of the booster pump through pipelines, the water outlet pipeline of the water pump is connected with the inlet of the check valve, and the outlet of the check valve is respectively connected with the outlet of the booster pump, a fifth valve and a sixth valve through a third valve;
the gas source processing assembly is connected with a third two-way valve through the first two-way valve pipeline;
the gas source processing assembly is connected with the differential pressure sensor through a sixth two-way valve pipeline, the differential pressure sensor is connected with the upper surface of the valve to be tested through an eighth valve pipeline to form a path, the sixth two-way valve is connected with the upper surface of the valve to be tested through a seventh valve pipeline to form a path, and a pipeline connected with the differential pressure sensor and the eighth valve and a pipeline of the seventh valve form a parallel loop;
the air source processing assembly is connected to the upper surface of the valve to be tested through a seventh two-way valve and a ninth valve pipeline;
the air source processing assembly is connected with the water flow detection switch through the seventh two-way valve and a tenth valve pipeline;
the air source processing assembly is connected with the bubble leakage detecting assembly through the seventh two-way valve, the eleventh valve and the fourth two-way valve by pipelines;
the air source processing assembly is connected with the water drop leakage detecting assembly through the seventh two-way valve, the twelfth valve and the fifth two-way valve by pipelines;
the outlet of the check valve is connected with the upper surface of the valve to be tested through the third valve and a sixth valve pipeline;
the outlet of the check valve is connected with the lower surface of the valve to be tested through the third valve, the fifth valve and the fourth valve pipeline;
the lower surface of the valve to be tested is connected with a bubble leak detection assembly through the fourth valve, the thirteenth valve and the fourth two-way valve pipeline, and the lower surface of the valve to be tested is connected with the water drop leak detection assembly through the fourth valve, the fourteenth valve and the fifth two-way valve pipeline;
the lower surface of the valve to be tested is connected with a water tank through the fourth valve and the second valve pipeline;
the upper surface and the lower surface of the valve to be tested are respectively provided with a pressure sensor and a pressure gauge;
the PLC controller controls the whole system to realize full automation.
Further, the bubble leak detection assembly is provided with a correlation type photoelectric sensor that can measure.
Further, the water droplet leak detection assembly is provided with a correlation type photoelectric sensor that can measure.
Further, the air source processing assembly and an inlet pipeline of the booster pump are provided with a proportional pressure regulating valve and an electromagnetic valve.
Furthermore, the device also comprises an acquisition card and a computer, wherein the acquisition card can acquire the data of the differential pressure sensor, the water flow detection switch, the pressure sensor, the bubble leakage detection assembly, the water drop leakage detection assembly, the proportional pressure regulating valve, the booster pump and the air source processing assembly.
Furthermore, the PLC controller records the data acquired by the acquisition card and transmits the acquired data to the computer for data processing.
Further, the water flow detection switch pipeline is connected with the water tank.
Further, the third two-way valve is connected with the water tank through a pipeline.
Further, the compressed air is clean, dry and oil-free compressed air.
Further, the compressed air is 6-7 bar compressed air.
The utility model has the advantages that:
1. the system realizes full automation of the detection process through the PLC, and improves the detection efficiency.
2. The system realizes that one system carries out different external leakage tests or internal leakage tests on different valves through the cooperation of all the valves.
3. The system is provided with an acquisition card, the acquisition card can try data in the acquisition system and transmit the data to the PLC, the PLC and the computer can communicate with each other and transmit the data to the computer, and the computer processes and analyzes the tested data.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the acquisition card of the present invention;
fig. 3 is a system communication diagram of the present invention.
Labeled as:
1. the device comprises a valve to be tested, 2, a differential pressure sensor, 3, a water flow detection switch, 4, a bubble leakage detection assembly, 5, a water drop leakage detection assembly, 6, a pressure gauge, 7, a pressure sensor, 8, a water tank, 9, a water pump, 10, a check valve, 11, an air source processing assembly, 12, a proportional pressure regulating valve, 13, a booster pump, 14, compressed air, 15, a correlation type photoelectric sensor, 101, a first two-way valve, 102, an electromagnetic valve, 103, a third two-way valve, 104, a fourth two-way valve, 105, a fifth two-way valve, 106, a sixth two-way valve, 107 and a seventh two-way valve.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A multifunctional valve detection system is shown in figure 1 and comprises a PLC controller, a valve to be detected 1, a differential pressure sensor 2, a water flow detection switch 3, a bubble leakage detection module 4, a water drop leakage detection module 5, a pressure gauge 6, a differential pressure sensor 7, a water tank 8, a water pump 9, a check valve 10, an air source processing assembly 11, a proportional pressure regulating valve 12, a booster pump 13, compressed air 14 and a correlation type photoelectric sensor 15,
the air source processing assembly 11 is used for processing compressed air 14, the air source processing assembly 11 is connected with an inlet of a booster pump 13 through a pipeline, the compressed air 14 is boosted through the booster pump 13, a proportional pressure regulating valve 12 and an electromagnet 102 are arranged between the air source processing assembly 11 and the booster pump, and the proportional pressure regulating valve 12 is used for controlling the inlet amount of the compressed air 14.
The gas source processing assembly 11 is connected with the outlet of the check valve 10 through a first check valve 101 and a first valve V1 by pipelines to form a path, the water tank 8 is connected with the water inlet of the water pump 9 and the inlet of the booster pump 13 by pipelines, the water outlet pipeline of the water pump 9 is connected with the inlet of the check valve 10, and the outlet of the check valve 9 is connected with the outlet of the booster pump 13 by a third valve V3 by pipelines;
the air source processing assembly 11 is connected with a third two-way valve 103 through a first two-way valve 101 by a pipeline, and the other end of the third two-way valve 103 is connected with a water tank;
the gas source processing assembly 11 is connected with the differential pressure sensor 2 through a sixth two-way valve 106 through a pipeline, the differential pressure sensor 2 is connected with the upper surface of the valve to be tested 1 through an eighth valve V8 through a pipeline to form a path, the sixth two-way valve 106 is connected with the upper surface of the valve to be tested 1 through a seventh valve V7 through a pipeline to form a path, and a pipeline connected with the differential pressure sensor 2 and the eighth valve V8 and a pipeline of the seventh valve V7 form a parallel loop;
the air source processing assembly 11 is connected to the upper surface of the valve to be tested 1 through a seventh two-way valve 107 and a ninth valve V9 by pipelines;
the air source processing assembly 11 is connected with a water flow detection switch 3 through a seventh two-way valve 107 and a tenth valve V10 by pipelines, and the other end of the water flow detection switch is connected with a water tank;
the gas source processing assembly 11 is connected with the bubble leakage detecting assembly 4 through a seventh two-way valve 107, an eleventh valve V11 and a fourth two-way valve 104 by pipelines;
the gas source processing assembly 11 is connected with the water drop leakage detecting assembly 5 through a seventh two-way valve 107, a twelfth valve V12 and a fifth two-way valve 105 by pipelines;
the outlet of the check valve 10 is connected with the upper surface of the valve 1 to be tested through a third valve V3 and a sixth valve V6 by pipelines;
the outlet of the check valve 10 is connected with the lower surface of the valve to be tested 1 through a third valve V3, a fifth valve V5 and a fourth valve V4 by pipelines;
the lower surface of the valve to be tested 1 is connected with the bubble leakage detection assembly 4 through a fourth valve V4, a thirteenth valve V13 and a fourth two-way valve 104 by pipelines, and the lower surface of the valve to be tested 1 is connected with the water drop leakage detection assembly 5 through a fourth valve V4, a fourteenth valve V14 and a fifth two-way valve 105 by pipelines;
the lower surface of the valve 1 to be tested is connected with the water tank 8 through a fourth valve V4 and a second valve V2 by pipelines;
the upper surface and the lower surface of the valve 1 to be tested are respectively provided with a pressure sensor 7 and a pressure gauge 6;
the PLC controller controls the whole system to realize full automation.
Wherein a counter-emitting photosensor 15 of a type that can measure is provided in both the bubble leak detection assembly 4 and the water droplet leak detection assembly 5.
As shown in fig. 2 and fig. 3, the system further includes an acquisition card, the acquisition card can acquire data of the differential pressure sensor 2, the water flow detection switch 3, the pressure sensor 7, the bubble leakage detection assembly 4, the water droplet leakage detection assembly 5, the proportional pressure regulating valve 12, the booster pump 13 and the gas source processing assembly 11, the PLC controller records the data acquired by the acquisition card, and transmits the acquired data to the computer for data processing.
The compressed air 14 is clean, dry and oil-free compressed air with pressure of 6-7 bar.
Example 1:
detection flow of butterfly valve gas leakage detection:
(1) the valve 1 to be tested is closed to be half-opened, the sixth valve V6, the ninth valve V9, the thirteenth valve V13 and the fourteenth valve V14 are closed, the first two-way valve 101 and the electromagnetic valve 102 are closed, the seventh valve V7, the eighth valve V8, the fourth valve V4 and the second valve V2 are opened, and the sixth two-way valve 106 is opened.
(2) The air supply processing assembly is started and clean, dry, oil-free compressed air 14 is input.
(3) After 5 seconds (as the case may be), the fourth valve V4 is closed, and after 1 second (as the case may be), the seventh valve V7 and the sixth two-way valve 106 are closed.
(4) And then, after the specified pressure maintaining test time (30 seconds for temporary setting) is reached, judging the pressure difference between the two ends according to the data of the pressure difference sensor 2 collected by the acquisition card.
(5) The pressure of the left path of the fourth valve V4, the valve to be tested 1, the eighth valve V8 and the differential pressure sensor 2 should be equal to the pressure of the right path of the seventh valve V7 and the differential pressure sensor 2, if the pressure of the left end of the differential pressure sensor is smaller than the pressure of the right end, the valve is indicated to leak, and the differential pressure data recorded by the differential pressure sensor 2 is used for judging whether the valve is qualified; and if the pressure difference is within a reasonable range, judging that the valve is qualified.
(6) After the test is finished, the fourth valve V4 and the second valve V2 are opened to release the pressure, and the test is finished.
Example 2:
the detection process of the butterfly valve water leakage detection comprises the following steps:
(1) the valve 1 to be tested is closed to be half-opened, the first valve V1, the second valve V2, the thirteenth valve V13, the fourteenth valve V14, the sixth valve V6, the seventh valve V7, the eighth valve V8, the eleventh valve V11 and the twelfth valve V12 are closed, the seventh two-way valve 107 is closed, and the third valve V3, the fifth valve V5, the fourth valve V4, the ninth valve V9 and the tenth valve V10 are opened.
(2) And starting the water pump 9 to inject water into the system pipeline.
(3) When the water flow detecting switch 3 detects the presence of water, the ninth valve V9 and the third valve V3 are closed, and the water pump 9 is turned off. (4) The electromagnetic valve 102 is opened, the compressed air 14 is input, the internal water pressure is boosted through the booster pump 13, after the internal water pressure reaches the specified requirement, the fourth valve V4 and the fifth valve V5 are closed in sequence, and the electromagnetic valve 102 is closed.
(5) The acquisition card acquires the initial pressure P1 of the pressure sensor 7, then acquires the pressure P2 of the pressure sensor 7 for the second time after the specified pressure holding test time (temporary 60 seconds) is reached, and then calculates the leakage rate, wherein the calculation formula P1-P2, P1-P2<0.03Mpa/min (temporary standard) shows that the valve product is qualified.
(6) After the test is finished, the second valve V2 and the fourth valve V4 are opened in sequence to release pressure, and the fifth valve V5, the third valve V3, the first valve V1 and the third two-way valve 103 are opened to release pressure.
(7) The ninth valve V9 and the seventh two-way valve 107 are opened for ventilation, the residual water is blown off, and after 10 seconds (temporarily), the seventh two-way valve 107 is closed, and the test is ended.
Example 3:
the detection process of the inner leakage of the cavity on the butterfly valve is as follows:
(1) and the valve 1 to be tested is kept half-open, the third two-way valve 103 is closed, the second valve V2, the fifth valve V5, the fourteenth valve V14, the eleventh valve V11, the seventh valve V7, the eighth valve V8 and the ninth valve V9 are closed, and the first two-way valve 101, the fourth two-way valve 104, the first valve V1, the third valve V3, the sixth valve V6, the fourth valve V4 and the thirteenth valve V13 are opened.
(2) Ventilating for 2 seconds (temporary) for cleaning and management, closing the first two-way valve 101, and opening the valve 1 to be tested from half to closing. (3) The first two-way valve 101 is opened and the ventilation is continued for 60 seconds (tentative).
(4) The number of bubbles N in the bubble detection module 4 was measured by the correlation type photoelectric sensor 15 in 60 seconds.
(5) If N <5 bubbles/min (tentative), it is qualified.
(6) After the test is finished, the first two-way valve 101 is closed, and the first valve V1 and the third two-way valve 103 are opened to release the pressure.
Example 4:
and (3) detecting leakage in the cavity under gas detection:
(1) the valve 1 to be tested is switched from being closed to being half-opened, the fifth valve V5, the thirteenth valve V13, the fourteenth valve V14, the seventh valve V7, the eighth valve V8, the ninth valve V9 and the third two-way valve 103 are closed, the first two-way valve 101, the first valve V1, the third valve V3, the sixth valve V6, the fourth valve V4 and the second valve V2 are opened, and after ventilation is kept for 2 seconds (temporary), the second valve V2, the sixth valve V6, the tenth valve V10, the twelfth valve V12 and the seventh two-way valve 107 are closed.
(2) And opening the fifth valve V5, the ninth valve V9, the eleventh valve V11 and the fourth two-way valve 104 in sequence, keeping ventilation for 2 seconds (tentative), closing the first two-way valve 101, and then screwing the valve 1 to be tested to be closed from a half-open state.
(3) The first two-way valve 101 is opened again and the line is vented for 60 seconds (tentative).
(4) The number N of bubbles in the bubble detection module 4 is measured by the correlation type photoelectric sensor 15.
(5) If N <5 bubbles/min (tentative), the valve is qualified.
(6) After the test is finished, the first two-way valve 101 is closed, and the first valve V1 and the third two-way valve 103 are opened to release the pressure.
Example 5:
and (3) detecting leakage in the cavity under water detection:
(1) the valve 1 to be tested is closed to be half-opened, the first valve V1, the second valve V2, the sixth valve V6, the thirteenth valve V13, the fourteenth valve V14, the seventh valve V7, the eighth valve V8, the eleventh valve V11 and the seventh two-way valve 107 are closed, and the third valve V3, the fifth valve V5, the fourth valve V4, the ninth valve V9, the tenth valve V10, the twelfth valve V12 and the fifth two-way valve 105 are opened.
(2) The water pump 9 is started to feed water, and when the water flow detection switch 3 detects water and the correlation type photoelectric sensor 15 in the water droplet leakage detecting assembly 5 detects water droplets, the third valve V3 and the tenth valve V10 are closed, and the water pump 9 is turned off.
(3) And (3) screwing the valve 1 to be tested to be closed from half open, opening the electromagnetic valve 102, ventilating through the booster pump 13 to boost the water channel, closing the fourth valve V4 and the fifth valve V5 after the internal water pressure reaches, closing the electromagnetic valve 102, and maintaining the pressure for 60 seconds (tentative).
(4) The number of water droplets N in the water droplet leak detection assembly was calculated by the correlation type photosensor 15 within 60 seconds.
(5) If N is less than 5 drops/min (temporary), the valve product to be tested is qualified.
(6) After the test is finished, the second valve V2, the fourth valve V4, the fifth valve V5, the third valve V3, the first valve V1 and the third two-way valve 103 are opened in sequence to carry out pressure relief.
(7) And then screwing the valve 1 to be tested to be half-opened from closed, opening the ninth valve V9 and the seventh two-way valve 107, ventilating, blowing off residual water, closing the seventh two-way valve 107 after 10 seconds (temporarily), and ending the test.
Example 6:
and (3) detecting the inner leakage of the cavity in a water measuring way:
(1) the valve 1 to be tested is closed to be half-opened, the first valve V1, the second valve V2, the seventh valve V7, the eighth valve V8, the eleventh valve V11, the twelfth valve V12, the thirteenth valve V13 and the seventh two-way valve 107 are closed, and the third valve V3, the fifth valve V5, the fourth valve V4, the ninth valve V9, the sixth valve V6, the tenth valve V10, the fourteenth valve V14 and the fifth two-way valve 105 are opened.
(2) When the water flow detection switch 3 detects that water is present, and the correlation photoelectric sensor 15 in the water droplet leakage detecting module 5 detects that water droplets are present, the water pump 9 is turned off by closing the third valve V3, the fifth valve V5, the ninth valve V9, and the tenth valve V10.
(3) And (3) screwing the valve 1 to be tested to be closed from half open, opening the electromagnetic valve 102, ventilating and pressurizing the booster pump 13, closing the sixth valve V6 and the electromagnetic valve 102 after the internal water pressure reaches, and maintaining the pressure for 60 seconds (tentative).
(4) The number of water droplets N in the water droplet leak detection assembly was calculated by the correlation type photosensor 15 within 60 seconds.
(5) If N is less than 5 drops/min (temporary), the valve product to be tested is qualified.
(6) The V14 is closed first, and then the second valve V2, the fourth valve V4, the fifth valve V5 and the sixth valve V6 are opened sequentially to carry out pressure relief.
(7) And then screwing the valve 1 to be tested to be half-opened, opening the ninth valve V9 and the seventh two-way valve 107, ventilating, blowing off residual water in the pipeline, closing the seventh two-way valve 107 after 10 seconds (tentative), and ending the test.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A multi-functional valve detecting system which characterized in that: the device comprises a PLC (programmable logic controller), a valve (1) to be tested, a differential pressure sensor (2), a water flow detection switch (3), a bubble leakage detection assembly (4), a water drop leakage detection assembly (5), a water tank (8), a water pump (9), a check valve (10), an air source processing assembly (11), a booster pump (13) and compressed air (14);
the air source processing assembly (11) is used for processing the compressed air (14), and the air source processing assembly (11) is connected with an inlet of the booster pump (13) through a pipeline;
the gas source processing assembly (11) is connected with an outlet of the check valve (10) through a first two-way valve (101) and a first valve (V1) by pipelines, the water tank (8) is respectively connected with a water inlet of the water pump (9) and an inlet of the booster pump (13) by pipelines, a water outlet of the water pump (9) is connected with an inlet of the check valve (10) by pipelines, and an outlet of the check valve (10) is respectively connected with an outlet of the booster pump (13), a fifth valve (V5) and a sixth valve (V6) by pipelines through a third valve (V3);
the gas source processing assembly (11) is connected with a third two-way valve (103) through a first two-way valve (101) by a pipeline;
the gas source processing assembly (11) is connected with the differential pressure sensor (2) through a sixth two-way valve (106) through a pipeline, the differential pressure sensor (2) is connected with the upper surface of the valve to be tested (1) through an eighth valve (V8) through a pipeline to form a path, the sixth two-way valve (106) is connected with the upper surface of the valve to be tested (1) through a seventh valve (V7) through a pipeline to form a path, and a pipeline connected with the differential pressure sensor (2) and the eighth valve (V8) and a pipeline of the seventh valve (V7) form a parallel loop;
the air source processing assembly (11) is connected to the upper surface of the valve to be tested (1) through a seventh two-way valve (107) and a ninth valve (V9) by pipelines;
the air source processing assembly (11) is connected with the water flow detection switch (3) through the seventh two-way valve (107) and a tenth valve (V10) by pipelines;
the gas source processing assembly (11) is connected with the bubble leakage detecting assembly (4) through the seventh two-way valve (107), an eleventh valve (V11) and a fourth two-way valve (104) in a pipeline way;
the gas source processing assembly (11) is connected with the water drop leakage detecting assembly (5) through the seventh two-way valve (107), the twelfth valve (V12) and the fifth two-way valve (105) in a pipeline way;
the outlet of the check valve (10) is connected with the upper surface of the valve to be tested (1) through the third valve (V3) and a sixth valve (V6) by pipelines;
the outlet of the check valve (10) is connected with the lower surface of the valve to be tested (1) through the third valve (V3), the fifth valve (V5) and the fourth valve (V4) by pipelines;
the lower surface of the valve to be tested (1) is connected with a bubble leakage detection assembly (4) through the fourth valve (V4), the thirteenth valve (V13) and the fourth two-way valve (104) by pipelines, and the lower surface of the valve to be tested (1) is connected with the water drop leakage detection assembly (5) through the fourth valve (V4), the fourteenth valve (V14) and the fifth two-way valve (105) by pipelines;
the lower surface of the valve (1) to be tested is connected with a water tank through the fourth valve (V4) and the second valve (V2) by pipelines;
the upper surface and the lower surface of the valve (1) to be tested are respectively provided with a pressure sensor (7) and a pressure gauge (6);
the PLC controller controls the whole system to realize full automation.
2. A multi-function valve sensing system as defined in claim 1, wherein: the bubble leak detection assembly (4) is provided with a correlation type photoelectric sensor (15) which can measure.
3. A multi-function valve sensing system as defined in claim 1, wherein: the water drop leakage detecting component (5) is provided with a correlation type photoelectric sensor (15) capable of measuring.
4. A multi-function valve sensing system as defined in claim 1, wherein: and inlet pipelines of the air source processing assembly (11) and the booster pump (13) are provided with a proportional pressure regulating valve (12) and an electromagnetic valve (102).
5. A multi-function valve sensing system as recited in claim 4, wherein: the device is characterized by further comprising an acquisition card and a computer, wherein the acquisition card can acquire data of the differential pressure sensor (2), the water flow detection switch (3), the pressure sensor (7), the bubble leakage detection assembly (4), the water drop leakage detection assembly (5), the proportional pressure regulating valve (12), the booster pump (13) and the air source processing assembly (11).
6. A multi-function valve sensing system as recited in claim 5, wherein: and the PLC records the data acquired by the acquisition card and transmits the acquired data to the computer for data processing.
7. A multi-function valve sensing system as recited in claim 5, wherein: the water flow detection switch (3) is connected with the water tank (8) through a pipeline.
8. A multi-function valve sensing system as recited in claim 5, wherein: and the third two-way valve (103) is connected with the water tank (8) through a pipeline.
9. A multi-function valve sensing system as defined in any one of claims 6-8 wherein: the compressed air (14) is clean, dry and oil-free compressed air.
10. A multi-function valve sensing system as defined in any one of claims 6-8 wherein: the compressed air (14) is 6-7 bar compressed air.
CN201921829683.6U 2019-10-29 2019-10-29 Multifunctional valve detection system Active CN211452829U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110726545A (en) * 2019-10-29 2020-01-24 苏州贝亚特精密自动化机械有限公司 Multifunctional valve detection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110726545A (en) * 2019-10-29 2020-01-24 苏州贝亚特精密自动化机械有限公司 Multifunctional valve detection system
CN110726545B (en) * 2019-10-29 2024-07-12 苏州贝亚特精密自动化机械有限公司 Multifunctional valve detection system

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