CN214999755U - Nuclear power station solenoid valve testing arrangement - Google Patents
Nuclear power station solenoid valve testing arrangement Download PDFInfo
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- CN214999755U CN214999755U CN202120583456.0U CN202120583456U CN214999755U CN 214999755 U CN214999755 U CN 214999755U CN 202120583456 U CN202120583456 U CN 202120583456U CN 214999755 U CN214999755 U CN 214999755U
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Abstract
The utility model belongs to the technical field of nuclear power station electrical detection, in particular to a nuclear power station electromagnetic valve testing device, wherein at least one testing port is arranged on a testing rack of the testing device; the test port comprises a first air pressure end connected with an air inlet of the electromagnetic valve to be tested, a second air pressure end connected with the pressure sensor, a first voltage end connected with a voltage input end of the electromagnetic valve to be tested, and a second voltage end connected with a voltage output end of the electromagnetic valve to be tested; one end of the pressure sensor, which is far away from the second air pressure end, is connected with an air outlet of the electromagnetic valve to be tested; the pressure reducing and flow stabilizing assembly is connected between an external air source and the first air pressure end; one end of the power supply component is connected with an external power supply, and the other end of the power supply component is connected with a first voltage end through a voltage switch; the controller comprises a data acquisition control card. The utility model discloses can catch the fault phenomenon of the solenoid valve that awaits measuring and carry out trouble recurrence to it, and then in time diagnose and restore the trouble, guarantee that the action time of nuclear level valve is up to standard.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power station detects, especially, relate to a nuclear power station solenoid valve testing arrangement.
Background
At present, the closing time of partial valves in a nuclear power plant is increased. After the problem cause analysis, if a 'viscous fault' exists in the solenoid valve in the valve (the 'viscous fault' of the solenoid valve is an unusual fault, namely after the solenoid valve is electrified for a long time, the power-off reset response time is obviously prolonged), the phenomenon that the closing time of the valve is increased is caused. However, since the solenoid valve in the nuclear power plant is often installed in the site of the nuclear power plant, even in the nuclear island, and radiation exists, in the prior art, a worker cannot conveniently capture the fault phenomenon of the solenoid valve in a conventional manner, so that the fault can not be reproduced smoothly, and the fault can not be diagnosed in time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the nuclear power station electromagnetic valve testing device is used for solving the problems that in the prior art, due to radiation in a nuclear power station, a worker cannot conveniently capture the fault phenomenon of an electromagnetic valve in a conventional mode and cannot diagnose the fault in time.
In order to solve the technical problem, the embodiment of the utility model provides a nuclear power station electromagnetic valve testing device,
the device comprises a test bench, and a controller, a power supply assembly, a voltage switch, a pressure sensor and a voltage reduction and current stabilization assembly which are all arranged on the test bench; the power supply assembly, the voltage switch and the voltage reduction and current stabilization assembly are electrically connected with the controller;
the test bench is provided with at least one test port; the test port comprises a first air pressure end connected with an air inlet of the electromagnetic valve to be tested, a second air pressure end connected with the pressure sensor, a first voltage end connected with a voltage input end of the electromagnetic valve to be tested, and a second voltage end connected with a voltage output end of the electromagnetic valve to be tested; one end of the pressure sensor, which is far away from the second air pressure end, is connected with an air outlet of the electromagnetic valve to be tested;
the pressure reducing and flow stabilizing assembly is connected between an external air source and the first air pressure end; one end of the power supply assembly is connected with an external power supply, and the other end of the power supply assembly is connected with the first voltage end through a voltage switch; the controller comprises a data acquisition control card connected with the first voltage end, the second voltage end and the second air pressure end.
Optionally, the power supply assembly comprises a power generator connected between an external power source and the voltage switch.
Optionally, the power supply module further includes a storage battery connected to a connection path between the voltage switch and an external power supply.
Optionally, the pressure reducing and flow stabilizing assembly comprises a filter pressure reducing valve, a first stop valve, a flow stabilizing assembly and a second stop valve, wherein the filter pressure reducing valve is connected between an external air source and the first stop valve, and the second stop valve is connected between the flow stabilizing assembly and the first air pressure end; and one end of the flow stabilizing assembly, which is far away from the second stop valve, is connected with one end of the first stop valve, which is far away from the filtering and pressure reducing valve.
Optionally, the flow stabilizing assembly comprises a pressure stabilizing air chamber connected with the first stop valve, and a flow stabilizing pipe connected between one end of the pressure stabilizing air chamber far away from the first stop valve and the second stop valve.
Optionally, the pressure reducing and flow stabilizing assembly further comprises a precision pressure reducing valve connected between the filtering and pressure reducing valve and the flow stabilizing assembly.
Optionally, a voltmeter connected with the first voltage terminal and the second voltage terminal and used for measuring and displaying voltage information is further disposed on the test bench.
Optionally, a barometer connected to the pressure sensor and used for measuring and displaying air pressure information is further arranged on the test bench.
Optionally, a power lamp connected between the external power supply and the power supply assembly and used for displaying the connection state of the external power supply is further arranged on the test bench.
Optionally, the test bench is further provided with an emergency stop button connected with the controller and used for forcing the test to stop in an emergency.
The utility model provides a nuclear power station solenoid valve testing arrangement, including the test bench and all install controller, power supply module, voltage switch, pressure sensor and decompression steady flow subassembly on the test bench; the power supply assembly, the voltage switch and the voltage reduction and current stabilization assembly are electrically connected with the controller; the test bench is provided with at least one test port; the test port comprises a first air pressure end connected with an air inlet of the electromagnetic valve to be tested, a second air pressure end connected with the pressure sensor, a first voltage end connected with a voltage input end of the electromagnetic valve to be tested, and a second voltage end connected with a voltage output end of the electromagnetic valve to be tested; one end of the pressure sensor, which is far away from the second air pressure end, is connected with an air outlet of the electromagnetic valve to be tested; the pressure reducing and flow stabilizing assembly is connected between an external air source and the first air pressure end; one end of the power supply assembly is connected with an external power supply, and the other end of the power supply assembly is connected with the first voltage end through a voltage switch; the controller comprises a data acquisition control card connected with the first voltage end, the second voltage end and the second air pressure end. The utility model discloses a testing arrangement can be used to carry out the response test that solenoid valve excitation action and the demagnetization that awaits measuring reset in the nuclear level valve of nuclear power station, also, can close the response test after carrying out long-time circular telegram to the solenoid valve that awaits measuring to the diagnosis solenoid valve that awaits measuring whether has "viscous fault", the utility model discloses can catch the fault phenomenon of the solenoid valve that awaits measuring and carry out trouble recurrence to it, and then in time diagnose and restore the trouble, guarantee that the action time of nuclear level valve is up to standard.
Drawings
Fig. 1 is a schematic diagram of a nuclear power station electromagnetic valve testing device provided by an embodiment of the present invention.
The reference numerals in the specification are as follows:
1. an external gas source; 2. a controller; 21. a data acquisition control card; 3. a power supply component; 31. a power supply generator; 32. a storage battery; 4. a voltage switch; 5. a pressure sensor; 6. a pressure reducing and flow stabilizing assembly; 61. a filtering pressure reducing valve; 62. a first shut-off valve; 63. a flow stabilizing assembly; 64. a second stop valve; 631. a pressure stabilizing air cavity; 632. a flow stabilizing pipe; 7. a test port; 71. a first pneumatic end; 72. a second pneumatic end; 73. a first voltage terminal; 74. a second voltage terminal; 8. a solenoid valve to be tested; 9. an external power source.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, an embodiment of the present invention provides a nuclear power station electromagnetic valve testing apparatus, which includes a testing bench (not shown), and a controller 2, a power supply module 3, a voltage switch 4, a pressure sensor 5, and a pressure reducing and current stabilizing module 6, all mounted on the testing bench; the power supply assembly 3, the voltage switch 4 and the voltage reduction and current stabilization assembly 6 are electrically connected with the controller 2;
the test bench is provided with at least one test port 7; the test port 7 comprises a first air pressure end 71 connected with an air inlet of the electromagnetic valve 8 to be tested, a second air pressure end 72 connected with the pressure sensor 5, a first voltage end 73 connected with a voltage input end of the electromagnetic valve 8 to be tested, and a second voltage end 74 connected with a voltage output end of the electromagnetic valve 8 to be tested; one end of the pressure sensor 5, which is far away from the second air pressure end 72, is connected with an air outlet of the electromagnetic valve 8 to be tested; understandably, the number of the test ports 7 can be set according to requirements, in an embodiment, the test device includes five test ports 7, and at this time, the test device can simultaneously measure responses of five paths of solenoid valves 8 to be tested after being electrified for a long time.
The pressure reducing and flow stabilizing assembly 6 is connected between an external gas source 1 and a first gas pressure end 71; optionally, the pressure reducing and stabilizing assembly 6 comprises a filter pressure reducing valve 61, a first stop valve 62, a flow stabilizing assembly 63 and a second stop valve 64, wherein the filter pressure reducing valve 61 is connected between the external air source 1 and the first stop valve 62, and the second stop valve 64 is connected between the stabilizing assembly 63 and the first air pressure end 71; the end of the flow stabilizing assembly 63 away from the second stop valve 64 is connected to the end of the first stop valve 62 away from the filtering and pressure reducing valve 61. That is, the compressed air provided by the external air source 1 is adjusted to the air supply pressure required by the solenoid valve 8 to be tested through the filtering and pressure reducing valve 61, and then is sequentially conveyed to the first stop valve 62, the pressure stabilizing air chamber 631, the flow stabilizing pipe 632, the second stop valve 64, the first air pressure end 71 and the air inlet of the solenoid valve 8 to be tested through the air supply hose, so that the required stable air supply pressure can be provided for the solenoid valve 8 to be tested.
Optionally, the steady flow assembly 63 includes a steady flow air chamber 631 connected to the first shut-off valve 62, and a steady flow pipe 632 connected between an end of the steady flow air chamber 631 remote from the first shut-off valve 62 and the second shut-off valve 64. That is, the pressure stabilizing air chamber 631 and the flow stabilizing pipe 632 in the pressure stabilizing assembly 63 may make the supply pressure of the compressed air adjusted by the filtering and pressure reducing valve 61 more stable.
Optionally, the pressure reducing and flow stabilizing assembly 6 further comprises a precision pressure reducing valve (not shown) connected between the filtering and pressure reducing valve 61 and the flow stabilizing assembly 63. That is, by providing the fine pressure reducing valve downstream of the filter pressure reducing valve 61, the compressed air adjusted by the filter pressure reducing valve 61 can be further fine-adjusted, so that the supply pressure of the compressed air required by the solenoid valve 8 to be measured is more accurate after being adjusted by the fine pressure reducing valve.
One end of the power supply component 3 is connected with an external power supply 9, and the other end of the power supply component 3 is connected with a first voltage end 73 through a voltage switch 4; optionally, the power supply assembly 3 comprises a power generator 31 connected between the external power source 9 and the voltage switch 4. The voltage signal provided by the external power supply 9 can be converted into the voltage signal required by the solenoid valve 8 to be tested by the power supply generator 31, and then transmitted to the solenoid valve 8 to be tested through the voltage switch 4.
Optionally, the power supply module 3 further comprises a storage battery 32, and the storage battery 32 is connected to a connection path between the voltage switch 4 and the external power supply 9. During the test, a situation that the voltage signal of the external power supply 9 is interrupted may occur (for example, a connection cable of the external power supply 9 is accidentally knocked down or a fault occurs, etc.), and at this time, in order to keep the long-time test continuously (the long-time test has a long duration, and if the interruption needs to be performed again, it takes too long), the storage battery 32 is arranged, so that when the voltage signal of the external power supply 9 is interrupted, the same voltage signal as that of the external power supply 9 is provided by the storage battery 32, and then the voltage signal is converted into the voltage signal required by the solenoid valve 8 to be tested by the power supply generator 31 and is transmitted to the voltage input end of the solenoid valve 8 to be tested through the voltage switch 4.
The controller 2 comprises a data acquisition control card 21 connected to the first voltage terminal 73, the second voltage terminal 74 and the second pneumatic terminal 72.
The utility model discloses a testing arrangement can be used to carry out the response test that awaits measuring solenoid valve 8 excitation action and lost magnetism reset in the nuclear level valve of nuclear power station, also, can close the response test after long-time circular telegram to the solenoid valve 8 that awaits measuring to the diagnosis solenoid valve 8 that awaits measuring whether has "viscous fault", the utility model discloses can catch the fault phenomenon of solenoid valve 8 that awaits measuring and carry out the trouble to it and reappear, and then in time diagnose and restore the trouble, guarantee that the action time of nuclear level valve is up to standard.
The utility model discloses an in the embodiment, testing arrangement performance index as follows:
1) the test frequency is 0.1-2000 Hz, and the highest test precision is 0.1 ms.
2) Maximum working pressure 10 Bar.
3) Pressure sensor 510 Bar, accuracy 0.1%.
4) The output voltage of the first voltage terminal 73 is 12-50 VDC.
5) The uninterrupted power supply of the external power supply 9 is alternating current AC220V
6) The power-on time is not limited and can be set arbitrarily.
7) Five test ports 7 are arranged on the test bench and can simultaneously and respectively test 5 electromagnetic valves 8 to be tested.
8) The controller 2 can realize full-automatic test, and test data can be automatically stored, inquired and displayed in a curve manner; and the controller 2 is connected with a printer and can print the test data.
9) The controller 2 may be integrated with the computer device by the data acquisition control card 21, however, the data acquisition control card 21 may also be separately and independently installed from the computer device, and in this case, the data acquisition control card 21 may be separately installed on the test bench.
The utility model discloses an in the embodiment, testing arrangement and outside connection process as follows: the compressed air provided by the external air source 1 is connected to the filter pressure reducing valve 61 through an air supply hose, and the filter pressure reducing valve 61 adjusts the pressure to the air supply pressure required by the solenoid valve 8 to be tested. Then, the first voltage end 73 and the voltage input end of the solenoid valve 8 to be tested are connected by a cable, and the second voltage end 74 and the voltage output end of the solenoid valve 8 to be tested are connected at the same time; then, the air supply hose is used for connecting the first air pressure end 71 and the air inlet of the electromagnetic valve 8 to be tested, and meanwhile, the pressure sensor 5 is connected with the air outlet of the electromagnetic valve 8 to be tested, so that the air pressure signal of the air outlet of the electromagnetic valve 8 to be tested is measured by the pressure sensor 5 and then converted into an electric signal, and the electric signal corresponding to the converted air pressure signal is transmitted to the data acquisition control card 21 in the controller 2.
Connection inside the test device: the compressed air after the pressure adjustment output by the filtering and reducing valve 61 is sequentially conveyed to the first stop valve 62, the pressure stabilizing air chamber 631, the flow stabilizing pipe, the second stop valve 64, the first air pressure end 71 and the air inlet of the electromagnetic valve 8 to be tested through the air supply hose. The storage battery 32 is connected in parallel with the external power supply 9 of the 220Vac, and a voltage signal provided by the external power supply 9 of the 220Vac (in the test process, if the voltage signal of the external power supply 9 is interrupted, the same voltage signal as the external power supply 9 is provided by the storage battery 32) is converted into a voltage signal required by the solenoid valve 8 to be tested through the power supply generator 31 and is transmitted to the voltage input end of the solenoid valve 8 to be tested through the voltage switch 4. The data acquisition control card 21 is connected with the first voltage end 73 and the second voltage end 74 to acquire voltage signals, and meanwhile, the data acquisition control card 21 is connected with the pressure sensor 5 through the second air pressure end 72 to acquire signals of the pressure sensor 5, and then the signals are output to the controller 2 to be displayed through the display screen. In the above-mentioned solenoid valve 8 response time test process that awaits measuring, toggle voltage switch 4 can switch on and off external power 9 (or battery 32), and then makes solenoid valve 8 excitation or the demagnetization that awaits measuring, and the live time can be set for the random time according to the demand, so, can realize gathering the response time of solenoid valve 8 that awaits measuring when closing solenoid valve 8 that awaits measuring after long-time circular telegram, and then accomplish the test.
In one embodiment, the test bench is further provided with a display (not shown) and an operation keyboard (not shown) connected to the controller 2. The display screen is used for displaying test data and signals, and the operation keyboard is used for inputting instructions in the test process so as to control the test process through the controller 2.
In one embodiment, the test bench is further provided with a voltmeter (not shown) connected to the first voltage terminal 73 and the second voltage terminal 74 for measuring and displaying voltage information. In this embodiment, the voltmeter is used to measure and display the voltage information input to the solenoid valve 8 to be measured. Further, an air pressure gauge (not shown) connected with the pressure sensor 5 and used for measuring and displaying air pressure information is also arranged on the test bench. In this embodiment, the air pressure gauge is used to measure and display air pressure information (i.e., air pressure information measured by the pressure sensor 5) output from the solenoid valve 8 to be measured.
In one embodiment, the test bench is further provided with a power lamp (not shown) connected between the external power supply 9 and the power supply assembly 3 for indicating the connection state of the external power supply 9. In this embodiment, during the test, when the power lamp is turned on, the worker is prompted that the external power supply 9 is currently turned on, and when the power lamp is turned off, the worker is prompted that the external power supply 9 is not turned on, and at this time, the worker may perform an operation according to the prompt, for example, detect a reason for turning off the external power supply 9.
In one embodiment, the test bench is further provided with an emergency stop button (not shown) connected to the controller 2 for forcing the test to stop in case of emergency. After the long-time energization response test of the solenoid valve 8 to be tested is completed, the scram button may be pressed to stop the test.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A nuclear power station electromagnetic valve testing device is characterized by comprising a testing bench, and a controller, a power supply assembly, a voltage switch, a pressure sensor and a pressure reduction and current stabilization assembly which are all arranged on the testing bench; the power supply assembly, the voltage switch and the voltage reduction and current stabilization assembly are electrically connected with the controller;
the test bench is provided with at least one test port; the test port comprises a first air pressure end connected with an air inlet of the electromagnetic valve to be tested, a second air pressure end connected with the pressure sensor, a first voltage end connected with a voltage input end of the electromagnetic valve to be tested, and a second voltage end connected with a voltage output end of the electromagnetic valve to be tested; one end of the pressure sensor, which is far away from the second air pressure end, is connected with an air outlet of the electromagnetic valve to be tested;
the pressure reducing and flow stabilizing assembly is connected between an external air source and the first air pressure end; one end of the power supply assembly is connected with an external power supply, and the other end of the power supply assembly is connected with the first voltage end through a voltage switch; the controller comprises a data acquisition control card connected with the first voltage end, the second voltage end and the second air pressure end.
2. The nuclear power plant solenoid valve testing device of claim 1, wherein the power supply assembly includes a power generator connected between an external power source and the voltage switch.
3. The nuclear power plant solenoid valve testing device of claim 1, wherein the power supply assembly further comprises a storage battery connected on a connection path between the voltage switch and an external power source.
4. The nuclear power plant solenoid valve testing device of claim 1, wherein the pressure reducing and flow stabilizing assembly comprises a filter pressure reducing valve, a first stop valve, a flow stabilizing assembly and a second stop valve, the filter pressure reducing valve is connected between an external air source and the first stop valve, and the second stop valve is connected between the flow stabilizing assembly and the first air pressure end; and one end of the flow stabilizing assembly, which is far away from the second stop valve, is connected with one end of the first stop valve, which is far away from the filtering and pressure reducing valve.
5. The nuclear power plant electromagnetic valve testing device as defined in claim 4, wherein the flow stabilizing assembly comprises a pressure stabilizing air chamber connected with the first stop valve, and a flow stabilizing pipe connected between one end of the pressure stabilizing air chamber far away from the first stop valve and the second stop valve.
6. The nuclear power plant solenoid valve testing device of claim 4, wherein the pressure reducing and flow stabilizing assembly further comprises a precision pressure reducing valve connected between the filter pressure reducing valve and the flow stabilizing assembly.
7. The nuclear power plant electromagnetic valve testing device as claimed in claim 1, wherein a voltmeter is further arranged on the test bench, connected with the first voltage end and the second voltage end, and used for measuring and displaying voltage information.
8. The nuclear power plant electromagnetic valve testing device as claimed in claim 1, wherein a barometer connected with the pressure sensor and used for measuring and displaying air pressure information is further arranged on the test bench.
9. The nuclear power plant electromagnetic valve testing device as claimed in claim 1, wherein a power lamp connected between an external power supply and a power supply assembly and used for displaying the communication state of the external power supply is further provided on the test bench.
10. The nuclear power plant electromagnetic valve testing device as claimed in claim 1, wherein the test bench is further provided with an emergency stop button which is connected with the controller and used for forcibly stopping the test in an emergency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120583456.0U CN214999755U (en) | 2021-03-19 | 2021-03-19 | Nuclear power station solenoid valve testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120583456.0U CN214999755U (en) | 2021-03-19 | 2021-03-19 | Nuclear power station solenoid valve testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999755U true CN214999755U (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120583456.0U Active CN214999755U (en) | 2021-03-19 | 2021-03-19 | Nuclear power station solenoid valve testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999755U (en) |
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2021
- 2021-03-19 CN CN202120583456.0U patent/CN214999755U/en active Active
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