CN113109040A - Pressure measuring system and device for valve - Google Patents
Pressure measuring system and device for valve Download PDFInfo
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- CN113109040A CN113109040A CN202010030940.0A CN202010030940A CN113109040A CN 113109040 A CN113109040 A CN 113109040A CN 202010030940 A CN202010030940 A CN 202010030940A CN 113109040 A CN113109040 A CN 113109040A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention provides a pressure measuring system and a pressure measuring device for a valve, wherein the system comprises: the pressurization pipeline is used for pressurizing the working medium; the test pipelines are arranged in at least two numbers, are connected to the output end of the pressurization pipeline, are connected to the valve body to be tested, and are used for testing the connected valve body to be tested through the working medium flowing out of the pressurization pipeline; and the flow direction control device controls the communication between the pressurization pipeline and the test pipeline so as to control the flow direction of the working medium flowing out of the pressurization pipeline. When different valves are tested, the valves to be tested are only required to be connected with corresponding test pipelines. Thereby realized testing different valve bodies through setting up these at least two test tube ways, promptly: so that the testing system for the valve member has universality.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a pressure measuring system and device for a valve.
Background
In hydrogen fuel cell engines and hydrogen systems, many components such as valves (ball valves, needle valves, etc.), pressure reducing valves, and electromagnetic valves are used. However, because of the characteristics of hydrogen gas leakage and explosion, these parts need to be tested before use to determine whether quality problems exist, such as sealability and pressure resistance. Moreover, because of the wide variety of these components and the wide difference of the testing pressure required by these components, the testing equipment of these components can only test one component at present, and cannot perform general testing on many kinds of these components.
Disclosure of Invention
In order to solve the above problems, the present invention provides a pressure measuring system and device for a valve element, which overcome the above technical problems.
In order to achieve the above object, a first aspect of the present application provides a pressure measurement system for a valve member, the system including: the pressurization pipeline is used for pressurizing the working medium; the test pipelines are arranged in at least two numbers, are connected to the output end of the pressurization pipeline, are connected to the valve body to be tested, and are used for testing the connected valve body to be tested through the working medium flowing out of the pressurization pipeline; and the flow direction control device controls the communication between the pressurization pipeline and the test pipeline so as to control the flow direction of the working medium flowing out of the pressurization pipeline.
Optionally, the flow direction control device includes: the flow direction control valves are arranged in at least two numbers, correspond to the test pipelines one by one, and are respectively arranged on the corresponding test pipelines; and the flow direction control valve is used for controlling the opening and closing of the corresponding test pipeline.
Optionally, the method further includes: the pressure regulating devices are arranged in a plurality, correspond to the test pipelines one by one, and are respectively arranged on the corresponding test pipelines; the pressure regulating device is used for controlling the pressure of the working medium flowing through the corresponding test pipeline.
Optionally, the method further includes: and the testing devices are respectively arranged on the corresponding testing pipelines and used for monitoring the connected testing data of the valve body to be tested.
Optionally, the method further includes: and the recording unit is connected with the testing device and used for recording the testing data monitored by the testing device in real time.
Optionally, the method further includes: the pressure measuring box body is simultaneously connected with at least two test pipelines; or the number of the pressure measuring box bodies is at least two, and the pressure measuring box bodies are respectively arranged on the corresponding test pipelines; and the pressure measuring box body is used for installing a valve body to be tested.
Optionally, the method further includes: and the number of the discharge pipelines is at least two, the discharge pipelines correspond to the test pipelines one to one, and the discharge pipelines are respectively connected to the output ends of the corresponding test pipelines and used for discharging the working medium in the test pipelines.
Optionally, the method further includes: and the number of the exhaust control valves corresponds to that of the exhaust pipelines one by one, and the exhaust control valves are arranged on the corresponding exhaust pipelines and used for controlling the opening and closing of the exhaust control valves.
Optionally, the pressurization line includes: the output end of the booster pump is connected with the test pipeline; the working medium inlet pipeline is connected with the input end of the booster pump, and the output end of the working medium inlet pipeline is connected with the input end of the booster pump and used for inputting the working medium into the booster pump; the output end of the boosting branch pipeline is connected with the input end of the booster pump and used for inputting boosting media to the booster pump; and the booster pump increases the pressure of the working medium to a preset pressure value under the action of the boosting medium.
The second aspect of the application provides a testing device for a valve member, which comprises the pressure measuring device for the valve member.
The invention has the beneficial effects that: the at least two testing pipelines are respectively connected with the corresponding valve bodies to be tested, and then the testing pipelines connected with the valve bodies to be tested are communicated with the pressurizing pipeline through the flow direction control device, so that the pressure testing of different valve bodies to be tested is realized. Therefore, when different valves are tested, the valve to be tested is only required to be connected with the corresponding test pipeline. Thereby realized testing different valve bodies through setting up these at least two test tube ways, promptly: so that the testing system for the valve member has universality.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a pressure measuring device for a valve element according to an embodiment of the present invention.
Wherein, 1, driving the gas filter; 2. a driving air pressure regulating valve; 3. driving an air inlet ball valve; 4. a working media filter; 5. a working medium intake pressure gauge; 6. a working medium inlet ball valve; 7. a booster pump; 8. a high pressure inlet needle valve; 9. a high pressure air inlet pressure regulating valve; 10. a high pressure intake pressure sensor; 11. a low pressure inlet needle valve; 12. a low pressure inlet pressure regulating valve; 13. a low pressure intake pressure sensor; 14. a high pressure outlet pressure sensor; 15. a high pressure air outlet needle valve; 16. a low pressure vent pressure sensor; 17. a low pressure air outlet needle valve; 18. recording the unit; 19. a pressure measuring box body; 101. a pressurizing branch pipe; 102. a working medium inlet pipeline; 103. a high pressure test line; 104. a low pressure test line; 105. a high pressure discharge line; 106. a low pressure discharge line; 110. a testing device; 120. a flow direction control valve; 130. a pressure regulating device; 140. an exhaust control valve; 150. testing the pipeline; 160. a pressurization pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to facilitate an understanding of the embodiments of the present invention, the structure of the present invention will be described in detail with reference to several specific embodiments.
According to fig. 1, an embodiment of the present invention provides a pressure measurement system for a valve member, the system including: a pressurizing line 160 for pressurizing the working medium; the test pipelines 150 are provided with at least two numbers, are connected to the output end of the pressurization pipeline 160 and are connected to the valve body to be tested, and are used for testing the connected valve body to be tested through the working medium flowing out of the pressurization pipeline 160; and a flow direction control device for controlling the communication between the pressurization pipeline 160 and the test pipeline 150 so as to control the flow direction of the working medium flowing out from the pressurization pipeline 160.
In this regard, the at least two test pipelines 150 are respectively connected to corresponding valve bodies to be tested, and then the test pipeline 150 connected to the valve bodies to be tested is selected to be communicated with the pressurizing pipeline 160 through the flow direction control device, thereby implementing pressure measurement tests on different valve bodies to be tested. Therefore, when testing different valves, only the valve to be tested needs to be connected to the corresponding testing pipeline 150. Thereby realized testing different valve bodies through setting up these at least two test pipeline 150, promptly: so that the testing system for the valve member has universality.
Specifically, according to fig. 1, the present embodiment provides a pressure measurement system for a valve element, the system including: a pressurization line 160, a test line 150, and a flow direction control device.
The pressurization line 160 is used to pressurize the working medium. In this embodiment, the state of the working medium is not limited, and only needs to satisfy the requirements of this embodiment, such as: the working medium may be gaseous or liquid.
The number of the test pipelines 150 is set to be at least two, and the at least two test pipelines 150 are connected to the output end of the pressure boost pipeline 160, and the at least two test pipelines 150 are connected to the corresponding valve body to be tested. In this embodiment, the test line 150 is used to test the valve body to be tested to which the test line 150 is connected by the working medium flowing out of the pressurization line 160.
Such as: the test circuit 150 includes a high pressure test circuit 103 above 10MPA and a low pressure test circuit 104 below 10 MPA.
Furthermore, the flow direction control means is used to control the communication of the pressurizing line 160 with the test line 150, and thus, the flow direction control means controls the flow direction of the working medium flowing out of the pressurizing line 160. Namely: in this embodiment, the flow direction control device selects a desired test line 150 from the at least two test lines 150 to communicate with the booster line 160.
In another embodiment, the flow direction control device includes: to the control valve 120. In this embodiment, the number of the flow direction control valves 120 is at least two, and the flow direction control valves 120 are in one-to-one correspondence with the test pipelines 150, and in addition, the flow direction control valves 120 are respectively disposed on the corresponding test pipelines 150; the flow direction control valve 120 is used to control the opening and closing of the corresponding test pipeline 150. Such as: the flow direction control valve 120 includes: high pressure flow to the control valve or low pressure flow to the control valve. Close through the flow direction control valve 120 that sets up on high-pressure test pipeline 103 to close this high-pressure test pipeline 103, thereby realized breaking off this high-pressure test pipeline 103 and the intercommunication of pressure boost pipeline 160, at this moment, open through flow direction control valve 120 that sets up on low pressure test pipeline 104, with open this high-pressure test pipeline 103, thereby realized opening this high-pressure test pipeline 103 and the intercommunication of pressure boost pipeline 160, promptly: the working medium in the pressurization pipeline 160 is controlled to flow to the low pressure test pipeline 104, so that the flow direction of the working medium flowing out from the pressurization pipeline 160 is controlled. The flow direction control valve 120 disposed on the high pressure test pipeline 103 is: a high-pressure intake needle valve 8; the flow direction control valve 120 disposed on the low pressure test line 104 is: a low pressure inlet needle valve 11.
In another embodiment, the pressure measuring system for a valve member further includes: and a pressure regulating device 130. The number of the pressure regulating devices 130 is set to be a plurality, the pressure regulating devices 130 correspond to the test pipelines 150 one by one, and the pressure regulating devices 130 are respectively arranged on the corresponding test pipelines 150; the pressure adjusting device 130 is used to control the pressure of the working medium flowing through the corresponding test line 150. Such as: this pressure regulating device 130 includes: a high pressure inlet pressure regulating valve 9 or a low pressure inlet pressure regulating valve 12. Wherein, the high pressure air inlet pressure regulating valve 9 arranged on the high pressure test pipeline 103 controls the test pressure entering the high pressure test pipeline 103; the test pressure entering the low pressure test line 104 is controlled by a low pressure inlet pressure regulating valve 12 arranged on the low pressure test line 104.
In another embodiment, the pressure measuring system for a valve member further includes: the device 110 is tested. The testing devices 110 are respectively disposed on the corresponding testing pipelines 150, and the testing devices 110 are configured to monitor testing data of the connected valve bodies to be tested.
In this embodiment, the testing device 110 includes but is not limited to: the pressure sensor, specifically, the testing device 110 includes: a high pressure inlet pressure sensor 10, a low pressure inlet pressure sensor 13, a high pressure outlet pressure sensor 14 and a low pressure outlet pressure sensor 16. Specifically, the high-pressure inlet pressure sensor 10 is disposed on an input end pipeline of a valve body to be tested, which is tested through the high-pressure testing pipeline 103, and the high-pressure outlet pressure sensor 14 is disposed on an output end pipeline of the valve body to be tested, which is tested through the high-pressure testing pipeline 103; the low pressure inlet pressure sensor 13 is disposed on an input end pipeline of a valve body to be tested which is tested through the low pressure testing pipeline 104, and the low pressure outlet pressure sensor 16 is disposed on an output end pipeline of the valve body to be tested which is tested through the low pressure testing pipeline 104. Therefore, pressure measurement data can be monitored in real time through the pressure sensors, and the test data can be fed back.
In another embodiment, the pressure measuring system for a valve member further includes: and a recording unit 18, wherein the recording unit 18 is connected to the testing device 110, and the recording unit 18 is configured to record the test data monitored by the testing device 110 in real time.
In another embodiment, the pressure measuring system for a valve member further includes: and a pressure measuring box 19. For this pressure measurement box 19, it includes following two kinds of modes of setting: according to fig. 1, the pressure tank 19 is connected to at least two of the test lines 150 simultaneously; of course, it may also be: the number of the pressure measuring tank bodies 19 is set to at least two, and the pressure measuring tank bodies 19 are respectively disposed on the corresponding test pipelines 150. In this embodiment, the pressure measuring tank 19 is used for mounting a valve body to be tested.
In the present embodiment, according to fig. 1, the high-pressure inlet pressure sensor 10 is disposed on the high-pressure test pipeline 103 and located upstream of the pressure measurement tank 19, and the high-pressure outlet pressure sensor 14 is disposed on the high-pressure test pipeline 103 and located downstream of the pressure measurement tank 19; the low pressure inlet pressure sensor 13 is disposed on the low pressure test line 104 upstream of the pressure measurement tank 19, and the low pressure outlet pressure sensor 16 is disposed on the low pressure test line 104 downstream of the pressure measurement tank 19.
Of course, in this embodiment, the testing pipeline 150 or the pressure measuring box 19 and the corresponding valve body to be tested are connected by a part adapter, and of course, adapters with different sizes and different interface forms are configured, for example: the valve body to be tested comprises a clamping sleeve, a FNPT, a MNPT and the like, and is used for connecting different interfaces.
In another embodiment, the pressure measuring system for a valve member further includes: a discharge line. The number of the discharge pipelines is at least two, the discharge pipelines correspond to the test pipelines 150 one by one, and the discharge pipelines are respectively connected to the output ends of the corresponding test pipelines 150 and used for discharging the working medium in the test pipelines 150.
Of course, in this embodiment, the pressure measuring system for a valve further includes: the number of the exhaust control valves 140 corresponds to the number of the exhaust lines, and the exhaust control valves 140 are provided on the corresponding exhaust lines, and the exhaust control valves 140 control opening and closing of the exhaust control valves 140.
Such as: in this embodiment, the discharge line includes: a high pressure discharge pipeline 105 and a low pressure discharge pipeline 106, wherein the high pressure discharge pipeline 105 is connected to the output end of the high pressure test pipeline 103, that is: the high-pressure discharge line 105 is connected to the output end of the pressure measuring tank 19; the low pressure drain line 106 is connected to the output of the low pressure test line 104, namely: the low pressure discharge line 106 is connected to the output of the pressure tank 19. Wherein the exhaust control valve 140 includes: a high pressure vent needle valve 15 and a low pressure vent needle valve 17, wherein the high pressure vent needle valve 15 and the low pressure vent needle valve 17 are respectively disposed on the high pressure discharge pipeline 105 and the low pressure discharge pipeline 106.
In another embodiment, the pressurization circuit 160 includes: a booster pump 7, a working medium inlet line 102, and a booster branch line 101.
Wherein, the output end of the booster pump 7 is connected to the test pipeline 150; and an output end of the working medium inlet line 102 is connected to an input end of the booster pump 7, and the working medium inlet line 102 is used for inputting the working medium to the booster pump 7.
Furthermore, the output end of the pressurizing branch pipe 101 is connected to the input end of the pressurizing pump 7, and the pressurizing branch pipe 101 is used for inputting a pressurizing medium to the pressurizing pump 7.
In the present embodiment, the booster pump 7 increases the pressure of the working medium to a preset pressure value under the action of the boosting medium.
Specifically, the pressurizing branch pipe 101 is provided with a driving air filter 1, a driving air pressure regulating valve 2 and a driving air inlet ball valve 3 in sequence.
Along the entering direction of the working medium, a working medium filter 4, a working medium air inlet pressure gauge 5 and a working medium air inlet ball valve 6 are sequentially arranged on the working medium entering pipeline 102; in the booster pump 7, the pressure of the working medium is boosted to a desired pressure by the driving of the driving gas.
In order to better explain the structure of the system of the present embodiment, the system of the present embodiment is explained below with reference to a specific application example.
As shown in fig. 1, in the pressure measuring system for a valve element, the pressurizing line 160 is composed of a working medium inlet line 102, a pressurizing branch line 101, and a pressurizing pump 7; the working medium enters the booster pump 7 through the working medium inlet pipeline 102, and the booster pump 7 starts to work under the driving of the driving gas to boost the working medium to the required pressure.
Moreover, the pressure measuring system for the valve element includes two testing pipelines 150, such as a high-pressure testing pipeline 103 and a low-pressure testing pipeline 104, each testing pipeline 150 is provided with a pressure regulating device 130 and a flow direction control valve 120, the two testing pipelines 150 are connected to the same pressure measuring box 19, and the pressure measuring box 19 is used for installing a valve body to be tested.
The pressure regulating device 130 on the high pressure test pipeline 103 is a high pressure air inlet pressure regulating valve 9, wherein the high pressure air inlet pressure regulating valve 9 is disposed at an input end of the pressure measuring tank 19. The pressure regulating device 130 on the low pressure test pipeline 104 is a low pressure inlet pressure regulating valve 12, wherein the low pressure inlet pressure regulating valve 12 is disposed at an input end of the pressure measuring tank 19.
Moreover, the high pressure flow direction control valve arranged on the high pressure test pipeline 103 is a high pressure inlet needle valve 8, and the high pressure flow direction control valve is arranged at the upstream of the high pressure inlet pressure regulating valve 9; the low pressure flow direction control valve provided in the low pressure test line 104 is a low pressure inlet needle valve 11, and is provided upstream of the low pressure inlet pressure regulating valve 12.
In addition, the test pipeline 150 is further provided with a pressure sensor, specifically, in this embodiment, the pressure sensor includes: a high pressure inlet pressure sensor 10, a low pressure inlet pressure sensor 13, a high pressure outlet pressure sensor 14 and a low pressure outlet pressure sensor 16;
the high-pressure inlet pressure sensor 10 is arranged on an input end pipeline of a pressure measuring box body 19 in the high-pressure test pipeline 103, and the high-pressure outlet pressure sensor 14 is arranged on an output end pipeline of the pressure measuring box body 19 in the high-pressure test pipeline 103; the low-pressure inlet pressure sensor 13 is disposed on an input end pipeline of the pressure measuring box 19 in the low-pressure test pipeline 104, and the low-pressure outlet pressure sensor 16 is disposed on an output end pipeline of the pressure measuring box 19 in the low-pressure test pipeline 104.
Further, the high-pressure discharge line 105 is connected to the output end of the pressure measuring tank 19; the low pressure discharge line 106 is connected to the output of the pressure tank 19. The high pressure vent needle valve 15 and the low pressure vent needle valve 17 are respectively disposed on the high pressure discharge pipeline 105 and the low pressure discharge pipeline 106.
After the valve to be tested is installed in the pressure measuring box body 19, the working medium subjected to pressure regulation in the pressure regulating device 130 enters the pressure measuring box body 19, and the recording component detects and records data fed back by the pressure sensor in real time; furthermore, after the test is completed, the working medium is discharged out of the system through the corresponding discharge line.
The specific test valve operates as:
selecting a corresponding part adapter according to a valve element to be tested, installing the valve element to be tested in a pressure measuring box body 19 by using the part adapter, closing the pressure measuring box body 19 after connection is completed, opening a working medium air inlet ball valve 6, observing air inlet pressure, adjusting a driving air pressure regulating valve 2, adjusting the driving air pressure to required working pressure, opening a driving air inlet ball valve 3, starting a booster pump 7 after driving air and working medium enter the booster pump 7, confirming the outlet pressure of the booster pump 7 according to an outlet pressure gauge of the booster pump 7, manually closing the driving air inlet ball valve 3 after working to the required pressure, stopping the booster pump 7, and completing the boosting work; opening the high-pressure air inlet needle valve 8 in the high-pressure test pipeline 103 or the low-pressure air inlet needle valve 11 in the low-pressure test pipeline 104, feeding the working medium into the corresponding test pipeline 150, the high-pressure air inlet pressure sensor 10 and the high-pressure air outlet pressure sensor 14 or the low-pressure air inlet pressure sensor 13 and the low-pressure air outlet pressure sensor 16 to start feeding back data, and observing the test data in real time through the recording unit 18; after the test is finished, the high-pressure air outlet needle valve 15 and the low-pressure air outlet needle valve 17 are opened, the gas in the equipment is exhausted out of the system, and after the fact that no residual gas exists in the equipment is confirmed, the test valve is disassembled.
In another embodiment, a testing device 110 for a valve element is provided, including the pressure measurement system for a valve element described above.
The term and the implementation principle of the testing device 110 for a valve element in this embodiment may refer to the pressure measuring system for a valve element, and are not described herein again.
In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, lower", etc., are generally based on the directions or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the system or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pressure measurement system for a valve member, the system comprising:
a pressurization line (160) for pressurizing the working medium;
the test pipelines (150) are arranged in at least two numbers, are connected to the output end of the pressurization pipeline (160), are connected to the valve body to be tested, and are used for testing the connected valve body to be tested through the working medium flowing out of the pressurization pipeline (160);
and the flow direction control device controls the communication between the pressurization pipeline (160) and the test pipeline (150) so as to control the flow direction of the working medium flowing out of the pressurization pipeline (160).
2. The system of claim 1, wherein the flow direction control device comprises:
the number of the flow direction control valves (120) is at least two, the flow direction control valves (120) correspond to the test pipelines (150) one by one, and the flow direction control valves (120) are respectively arranged on the corresponding test pipelines (150);
the flow direction control valve (120) is used for controlling the opening and closing of the corresponding test pipeline (150).
3. The system of claim 2, further comprising:
the number of the pressure regulating devices (130) is multiple, the pressure regulating devices (130) correspond to the test pipelines (150) one by one, and the pressure regulating devices (130) are respectively arranged on the corresponding test pipelines (150);
the pressure regulating device (130) is used for controlling the pressure of the working medium flowing through the corresponding test pipeline (150).
4. The system of claim 1, further comprising:
and the testing devices (110) are respectively arranged on the corresponding testing pipelines (150) and are used for monitoring the testing data of the connected valve body to be tested.
5. The system of claim 4, further comprising:
and the recording unit (18) is connected to the testing device (110) and is used for recording the testing data monitored by the testing device (110) in real time.
6. The system of claim 1, further comprising:
the pressure measuring box body (19) is simultaneously connected with at least two test pipelines (150);
or the number of the pressure measuring box bodies (19) is at least two, and the pressure measuring box bodies (19) are respectively arranged on the corresponding test pipelines (150);
furthermore, the pressure measuring box body (19) is used for installing the valve body to be tested.
7. The system of claim 1, further comprising:
and the number of the discharge pipelines is at least two, the discharge pipelines correspond to the test pipelines (150) one by one, and the discharge pipelines are respectively connected to the output ends of the corresponding test pipelines (150) and used for discharging the working medium in the test pipelines (150).
8. The system of claim 7, further comprising:
and the number of the exhaust control valves (140) corresponds to that of the exhaust pipelines one by one, and the exhaust control valves (140) are arranged on the corresponding exhaust pipelines and used for controlling the opening and closing of the exhaust control valves (140).
9. The system of claim 1, wherein the pressurization line (160) comprises:
the output end of the booster pump (7) is connected to the test pipeline (150);
the working medium inlet pipeline (102) has an output end connected to the input end of the booster pump (7) and is used for inputting the working medium into the booster pump (7);
the output end of the pressurizing branch pipeline (101) is connected to the input end of the pressurizing pump (7) and is used for inputting pressurizing media to the pressurizing pump (7);
and the booster pump (7) increases the pressure of the working medium to a preset pressure value under the action of the boosting medium.
10. A testing device (110) for valve members, comprising a pressure measuring device for valve members according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030940.0A CN113109040A (en) | 2020-01-13 | 2020-01-13 | Pressure measuring system and device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010030940.0A CN113109040A (en) | 2020-01-13 | 2020-01-13 | Pressure measuring system and device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113109040A true CN113109040A (en) | 2021-07-13 |
Family
ID=76709152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010030940.0A Pending CN113109040A (en) | 2020-01-13 | 2020-01-13 | Pressure measuring system and device for valve |
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| Country | Link |
|---|---|
| CN (1) | CN113109040A (en) |
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2020
- 2020-01-13 CN CN202010030940.0A patent/CN113109040A/en active Pending
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