CN117824949A - Portable valve group tightness detection device - Google Patents
Portable valve group tightness detection device Download PDFInfo
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- CN117824949A CN117824949A CN202311810306.9A CN202311810306A CN117824949A CN 117824949 A CN117824949 A CN 117824949A CN 202311810306 A CN202311810306 A CN 202311810306A CN 117824949 A CN117824949 A CN 117824949A
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- pressure
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
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Abstract
The disclosure belongs to the technical field of nuclear power, and particularly relates to a portable valve group tightness detection device. The present disclosure. In the portable valve group tightness detection device disclosed by the disclosure, as the first air valve is connected between the pressure reducing valve and the first connector, and the second air valve is connected between the pressure reducing valve and the second connector, after the instrument valve group to be detected reaches the expected pressure, the first air valve and the second air valve are closed, so that the instrument valve group to be detected can be subjected to tightness accurate test, the problem that the instrument valve group to be detected in the prior art cannot accurately test the inner leakage sealing condition and the outer leakage sealing condition is overcome, the automation of the valve group tightness detection function is realized through a program, and the manual operation of complicated personnel is reduced.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a portable valve group tightness detection device.
Background
In the related art, a tested valve group is generally connected with a three-way joint through a clamping sleeve, one end of the three-way joint is connected with a pressurizing hand pump for pressurizing and pressure maintaining operation, the other end of the three-way joint is connected with a pressure measurement module, and the pressure measurement module transmits a detected pressure signal to a calibration instrument to display the current pressure. And (5) manually timing and maintaining pressure, and calculating whether the pressure leakage value meets the requirement. However, the valve group tightness detection mode has the following technical defects: all pipelines are connected in a self-made way, the joints are more, the leakage rate is uncontrollable, and pressure maintaining failure can occur; the pressure measurement and pressure maintaining processes all need to rely on manual operation and calculation, and the process is complicated and inconvenient; the dwell time is longer, the pressure value is influenced by the ambient temperature greatly, can lead to the measuring result to be distorted; in the pressure maintaining process, the pressure change is inconvenient to record continuously, and the process analysis cannot be performed. Therefore, the problem is solved continuously, and the efficiency and the correctness of the valve group tightness detection are improved.
Disclosure of Invention
In order to overcome the problems in the related art, a portable valve group tightness detection device is provided.
According to an aspect of the disclosed embodiments, there is provided a portable valve group tightness detection device, the device including: the device comprises a water tank, a driving pump, a pressure reducing valve, a first air valve, a second air valve, a first connector and a second connector;
the water tank is used for providing liquid for the driving pump, the driving pump is connected with an air source port, the driving pump respectively conveys high-pressure water and high-pressure air to the pressure reducing valve, the pressure reducing valve is connected to the first connector, the first connector is connected with one interface of the instrument valve group to be tested to input the liquid, the second connector is connected with the other interface of the instrument valve group to be tested to output the liquid, the pressure reducing valve is respectively connected with the first air valve and the second air valve, and gas is conveyed to the first air valve and the second air valve so as to control the second air valve and/or the first air valve to be closed, the first air valve is connected between the pressure reducing valve and the first connector, and the second air valve is connected between the pressure reducing valve and the second connector.
In one possible implementation, the instrument valve set testing device further includes a third air valve, an interface of the third air valve is connected between the first connector and the first air valve, and the pressure reducing valve is connected to the third air valve, so that the third air valve is opened.
In one possible implementation, the instrument valve set testing device further includes a manual valve disposed in parallel with the third air valve.
In one possible implementation, the instrument valve set testing device further includes a first pressure sensor disposed between the first air valve and the first connector.
In one possible implementation, the instrument valve set testing device further includes a second pressure sensor disposed between the pressure relief valve and the first air valve.
In one possible implementation, the instrument valve set testing device further includes a third pressure sensor disposed between the drive pump and the pressure relief valve.
In one possible implementation, the instrument valve set testing device further includes a fourth pressure sensor disposed between the second air valve and the second connector.
In one possible implementation, the instrument valve set testing device further includes a pressure gauge disposed between the third air valve and the first connector.
In one possible implementation, the instrument valve set testing device further includes a filter connected between the water tank and the drive pump.
In one possible implementation, the instrument valve set testing device further includes a throttle valve disposed between the drive pump and the air supply port.
The beneficial effects of the present disclosure are: in the portable valve group tightness detection device disclosed by the invention, as the first air valve is connected between the pressure reducing valve and the first connector, and the second air valve is connected between the pressure reducing valve and the second connector, after the valve group of the instrument to be detected reaches the expected pressure, the first air valve and the second air valve are both closed, so that the valve group of the instrument to be detected can be subjected to tightness accurate test, the problem that the valve group of the instrument to be detected cannot accurately test the inner leakage sealing condition and the outer leakage sealing condition in the prior art is overcome, the automation of the valve group tightness detection function is realized through a program, and the complicated manual operation of personnel is reduced; the detection device is designed to be portable, so that when a problem occurs in the field device, detection can be carried out anytime and anywhere; the detection components and the pipelines are integrated, so that the probability of pressure leakage and detection failure possibly occurring in each connecting device is reduced; the controller is used for realizing monitoring, trend graph, data analysis, report printing and temperature compensation of the detection process, so that the whole detection process is more intelligent.
Drawings
FIG. 1 is a schematic diagram of an instrument valve stack testing device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a testing device for an instrument valve set according to an embodiment of the disclosure;
fig. 3 is a schematic structural diagram of an instrument valve group testing device according to an embodiment of the disclosure.
In the figure:
100. the instrument valve group testing device; 110. a water tank; 120. driving a pump; 130. a pressure reducing valve;
140. a first air valve; 150. a second air valve; 160. a first joint; 170. a second joint;
180. a third air valve; 190. a manual valve; 200. a first pressure sensor;
210. a second pressure sensor; 220. a third pressure sensor; 230. a fourth pressure sensor;
240. a pressure gauge; 250. a filter; 260. a throttle valve.
Detailed Description
In order that the disclosure may be understood, a more complete description of the disclosure will be rendered by reference to the appended drawings. Preferred embodiments of the present disclosure are shown in the drawings. This disclosure may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed 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. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
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 disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, a portable valve group tightness detection device of the present disclosure includes: a water tank 110, a driving pump 120, a pressure reducing valve 130, a first air valve 140, a second air valve 150, a first joint 160, and a second joint 170;
the water tank 110 is used for providing liquid for the driving pump 120, the driving pump 120 is connected with an air source port, the driving pump 120 respectively conveys high-pressure water to the pressure reducing valve 130, the pressure reducing valve 130 is connected to the first connector 160, the first connector 160 is connected with one interface of the instrument valve group to be tested to input the liquid, the second connector 170 is connected with the other interface of the instrument valve group to be tested to output the liquid, the pressure reducing valve 130 is respectively connected with the first air valve 140 and the second air valve 150, and gas is conveyed to the first air valve 140 and the second air valve 150 to control the closing of the second air valve 150 and/or the first air valve 140, the first air valve 140 is connected between the pressure reducing valve 130 and the first connector 160, and the second air valve 150 is connected between the pressure reducing valve 130 and the second connector 170. In a specific application, a liquid level detector is arranged in the water tank 110 and is used for detecting the liquid level in the water tank 110, so that the water amount in the water tank 110 is constant, the driving pump 120 is a high-pressure pump and is respectively used for driving liquid and gas to be conveyed to the pressure reducing valve 130, wherein one end of the pressure reducing valve 130 is connected to the first connector 160, after the pressure reducing valve 130 is adjusted to be a specific pressure, the first connector 160 is connected with one interface of the instrument valve group to be detected to input liquid, the second connector 170 is connected with the other interface of the instrument valve group to be detected to output liquid, the pressure reducing valve 130 is respectively connected with the first air valve 140 and the second air valve 150, and gas is conveyed to the first air valve 140 and the second air valve 150, when the second air valve 150 and the first air valve 140 are closed, the first air valve 140 is connected between the pressure reducing valve 130 and the first connector 160, and the second air valve 150 is connected between the pressure reducing valve 130 and the second connector 170, so that the first connector 160 is blocked from inputting liquid to the instrument to be detected, and the liquid of the instrument valve group to be detected is blocked from flowing out of the second connector 170, and then the tightness test of the instrument valve group to be detected is closed, and the tightness test of the instrument valve group to be detected can be detected with higher precision; in addition, when the second air valve 150 is closed and the first air valve 140 is opened, the tightness test of opening and closing the instrument valve group to be tested can be performed, so that the instrument valve group can be used as a conventional tightness test, and the test diversity of the instrument valve group is realized.
In one possible implementation, the instrument valve set testing device 100 further includes a third air valve 180, an interface of the third air valve 180 is connected between the first joint 160 and the first air valve 140, and the pressure reducing valve 130 is connected to the third air valve 180, so that the third air valve 180 is opened. In a specific application, the third air valve 180 is a pressure relief valve, and the pressure relief valve 130 controls the opening of the third air valve 180, so that the liquid of the pressure relief valve 130 is discharged from the third air valve 180, thereby achieving the purpose of pressure relief.
In one possible implementation, the instrument valve pack testing device 100 further includes a manual valve 190, the manual valve 190 being disposed in parallel with the third air valve 180. In a specific application, in order to manually adjust the pressure of the valve set of the instrument to be measured, the manual valve 190 is connected in parallel with the third air valve 180, so that the pressure of the pressure reducing valve 130 can be manually adjusted.
In one possible implementation, the instrument valve pack testing device 100 further includes a first pressure sensor 200, the first pressure sensor 200 being disposed between the first air valve 140 and the first connector 160. In a specific application, the first pressure sensor 200 is disposed between the first air valve 140 and the first connector 160, and the first pressure sensor 200 is configured to sense the pressure in the valve bank of the instrument to be measured, so that the water pressure between the first air valve 140 and the first connector 160 is tested, and thus the pressure between the first connector 160 and the valve bank of the instrument to be measured can be predicted.
In one possible implementation, the instrument valve pack testing device 100 further includes a second pressure sensor 210, the second pressure sensor 210 being disposed between the pressure relief valve 130 and the first air valve 140. In a specific application, the second pressure sensor 210 is disposed between the pressure reducing valve 130 and the first air valve 140, and is used for sensing the pressure of the water coming out of the pressure reducing valve 130, and the pressure difference between the second pressure sensor 210 and the first pressure sensor 200 mainly comes from the opening degree of the first air valve 140, and when the opening degree of the first air valve 140 is larger, the difference between the second pressure sensor 210 and the first pressure sensor 200 is smaller; when the opening degree of the second air valve 150 is small, the difference between the second pressure sensor 210 and the first pressure sensor 200 is large, so that the pressure adjustment of the instrument valve group to be measured is indirectly realized.
In one possible implementation, the instrument valve pack testing device 100 further includes a third pressure sensor 220, the third pressure sensor 220 being disposed between the drive pump 120 and the pressure relief valve 130. In a specific application, the third pressure sensor 220 is disposed between the driving pump 120 and the pressure reducing valve 130, and the third pressure sensor 220 is used for detecting whether the water pressure output by the driving pump 120 is normal or not, so as to prevent abnormal operation of the driving pump 120.
In one possible implementation, the instrument valve pack testing device 100 further includes a fourth pressure sensor 230, the fourth pressure sensor 230 being disposed between the second gas valve 150 and the second connector 170. In a specific application, the fourth pressure sensor 230 is disposed between the second air valve 150 and the second connector 170, and is mainly used for detecting the outlet pressure of the valve block to be detected, wherein when the first air valve 140, the second air valve 150 and the third air valve 180 are closed, the pressure drop value of the first connector 160 sensed by the first pressure sensor is larger and larger, and the pressure drop of the second connector 170 sensed by the fourth sensor is unchanged, it can be determined that the valve block to be detected has an external leakage; when the first air valve 140, the second air valve 150 and the third air valve 180 are closed, the pressure drop value of the first connector 160 sensed by the first pressure sensor 200 is larger and larger, and the pressure drop value of the second connector 170 sensed by the fourth sensor is larger and larger, it can be determined that the instrument valve to be tested has internal leakage.
In one possible implementation, the instrument valve pack testing device 100 further includes a pressure gauge 240, the pressure gauge 240 being disposed between the third gas valve 180 and the first connector 160. In a specific application, in order to facilitate the user to monitor the water pressure received by the valve bank of the meter to be tested, the pressure gauge 240 is disposed between the third air valve 180 and the first connector 160, and the dial plate of the pressure gauge 240 is disposed on the surface of the valve bank testing device 100, so that the user can monitor the pressure value of the valve bank of the meter to be tested.
In one possible implementation, instrument valve stack testing device 100 further includes a filter 250, filter 250 being connected between tank 110 and drive pump 120. In particular applications, to increase the service life of the drive pump 120, a filter 250 is further disposed between the water tank 110 and the drive pump 120, and the filter 250 is used to filter the water quality of the water tank 110, thereby increasing the service life of the drive pump 120.
In one possible implementation, the instrument valve pack testing device 100 further includes a throttle valve 260, the throttle valve 260 being disposed between the drive pump 120 and the air supply port. In particular applications, a throttle valve 260 may be provided between the drive pump 120 and the originating port in order to limit the pressure of the gas from the gas source port into the drive pump 120.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A portable valve block tightness detection device, the device comprising: the device comprises a water tank, a driving pump, a pressure reducing valve, a first air valve, a second air valve, a first connector and a second connector;
the water tank is used for providing liquid for the driving pump, the driving pump is connected with an air source port, the driving pump respectively conveys high-pressure water and high-pressure air to the pressure reducing valve, the pressure reducing valve is connected to the first connector, the first connector is connected with one interface of the instrument valve group to be tested to input the liquid, the second connector is connected with the other interface of the instrument valve group to be tested to output the liquid, the pressure reducing valve is respectively connected with the first air valve and the second air valve, and gas is conveyed to the first air valve and the second air valve so as to control the second air valve and/or the first air valve to be closed, the first air valve is connected between the pressure reducing valve and the first connector, and the second air valve is connected between the pressure reducing valve and the second connector.
2. The device of claim 1, wherein the instrument valve pack testing device further comprises a third air valve, an interface of the third air valve being connected between the first connector and the first air valve, the pressure reducing valve being connected to the third air valve to cause the third air valve to open.
3. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a manual valve disposed in parallel with the third air valve.
4. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a first pressure sensor disposed between the first gas valve and the first connector.
5. The apparatus of claim 1, wherein the instrument valve stack testing device further comprises a second pressure sensor disposed between the pressure relief valve and the first air valve.
6. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a third pressure sensor disposed between the drive pump and the pressure relief valve.
7. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a fourth pressure sensor disposed between the second gas valve and the second connector.
8. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a pressure gauge disposed between the third gas valve and the first connector.
9. The apparatus of claim 1, wherein the instrument valve pack testing device further comprises a filter connected between the water tank and the drive pump.
10. The apparatus of claim 1, wherein the instrument valve stack testing device further comprises a throttle valve disposed between the drive pump and the air supply port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311810306.9A CN117824949A (en) | 2023-12-26 | 2023-12-26 | Portable valve group tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311810306.9A CN117824949A (en) | 2023-12-26 | 2023-12-26 | Portable valve group tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117824949A true CN117824949A (en) | 2024-04-05 |
Family
ID=90522198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311810306.9A Pending CN117824949A (en) | 2023-12-26 | 2023-12-26 | Portable valve group tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117824949A (en) |
-
2023
- 2023-12-26 CN CN202311810306.9A patent/CN117824949A/en active Pending
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