CN219625643U - Nuclear power board card testing device - Google Patents
Nuclear power board card testing device Download PDFInfo
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- CN219625643U CN219625643U CN202320554669.XU CN202320554669U CN219625643U CN 219625643 U CN219625643 U CN 219625643U CN 202320554669 U CN202320554669 U CN 202320554669U CN 219625643 U CN219625643 U CN 219625643U
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
A nuclear power board card testing device comprises a controller connected with a switching resource circuit; an oscilloscope and/or a multimeter connected with the switching resource circuit; one or more of an AO board card, a myrio, a direct-current stabilized voltage power supply, a signal generator and a program-controlled direct-current power supply of the switching resource circuit, wherein the AO board card is used for providing analog quantity signals, the myrio is used for providing pulse signals, the direct-current stabilized voltage is used for providing stabilized direct-current signals, the signal generator is used for providing resistance signals, and the program-controlled direct-current power supply is used for providing program-controlled direct-current power supplies; when the device is applied, the tested board card is connected with the switching resource circuit, and the controller is used for controlling the switching resource circuit to select the oscilloscope and/or the universal meter to be connected, and selecting one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply to be connected. The device is convenient for selecting and switching various test instruments, power supplies and signal sources during testing, meets the testing requirements of different nuclear power board cards to be tested, and has good compatibility.
Description
Technical Field
The utility model belongs to the field of nuclear power product application, relates to board card testing, and particularly relates to a nuclear power board card testing device.
Background
In the process of nuclear industry, a protection system module is an important component in a nuclear power system. The protection system firstly completes preprocessing after data signal acquisition and confirming the correctness of the numerical value, then generates logic signals whether the logic signals reach the limit value according to the limit values respectively set by the reactor emergency shutdown system and the special safety system, respectively carries out necessary logic operation, and finally generates starting signals of a reactor emergency shutdown system breaker and a special safety system driving device. The reactor protection system of the nuclear power plant consists of hundreds of boards, each board can be used only after factory test, and because the test method of each board is different, the manual test mode is adopted at present, so that the efficiency is low, the error rate is high, and the requirement on testers is high, so that the improvement is necessary.
Disclosure of Invention
In order to solve the defects in the prior art, the nuclear power board card testing device provided by the utility model is convenient for selecting and switching various testing instruments, power supplies and signal sources during testing, meets testing requirements of different nuclear power board cards to be tested, and has good compatibility.
In order to achieve the above object, the present utility model adopts the following technique:
a nuclear power board card testing device, comprising:
the controller is connected with the switching resource circuit;
an oscilloscope and/or a multimeter connected with the switching resource circuit;
one or more of an AO board card, a myrio, a direct-current stabilized voltage power supply, a signal generator and a program-controlled direct-current power supply of the switching resource circuit, wherein the AO board card is used for providing analog quantity signals, the myrio is used for providing pulse signals, the direct-current stabilized voltage is used for providing stabilized direct-current signals, the signal generator is used for providing resistance signals, and the program-controlled direct-current power supply is used for providing program-controlled direct-current power supplies;
when the device is applied, the tested board card is connected with the switching resource circuit, and the controller is used for controlling the switching resource circuit to select the oscilloscope and/or the universal meter to be connected, and selecting one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply to be connected.
Further, the switching resource circuit is provided with two first relays and a plurality of second relays, the controller is connected with a multiplexing switch board B, DO board card, the multiplexing switch board card B is connected with each first relay, and the DO board card is connected with each second relay;
the oscilloscope and/or the universal meter are respectively connected to the switching resource circuit through a first relay, and the multiplexing switch board card B is used for controlling the first relay according to the instruction of the controller so as to select the connection of the oscilloscope and/or the universal meter;
one or more of the AO board card, the myrio, the direct-current voltage-stabilized power supply, the signal generator and the program-controlled direct-current power supply are respectively connected to the switching resource circuit through a second relay, and the DO board card is used for controlling the second relay according to the instruction of the controller so as to select the connection of the AO board card, the myrio, the direct-current voltage-stabilized power supply, the signal generator and the program-controlled direct-current power supply.
Further, a plurality of third relays are arranged on the switching resource circuit, the controller is connected with a multiplexing switch board card A, and the multiplexing switch board card A is connected with each third relay; when the switch board card is applied, different pins of the tested board card are respectively connected to the switching resource circuit through different third relays, and the multiplexing switch board card A is used for controlling the third relays according to the instruction of the controller so as to select the connected pins of the tested board card.
The utility model has the beneficial effects that:
the controller, the corresponding multiplexing switch board card and the DO board card are used for controlling different relays of the switching resource unit so as to select the accessed pins and the needed signal sources and testers according to the tested requirements of different tested boards, thereby greatly reducing the manual workload and improving the testing accuracy and the testing efficiency.
Drawings
FIG. 1 is a block diagram of a test apparatus according to an embodiment of the present utility model.
Fig. 2 is a schematic block diagram of a switching resource circuit according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.
The embodiment of the utility model provides a nuclear power board card testing device, which is shown in fig. 1, and comprises a switching resource circuit, a controller, an oscilloscope and/or a universal meter, one or more of an AO board card, a myrio, a direct-current stabilized power supply, a signal generator and a programmable direct-current power supply, a testing instrument which is specifically configured according to testing requirements, and a signal source and a power type which need to be accessed.
The controller is connected with the switching resource circuit; the oscillograph and/or the universal meter are used as a testing instrument to be connected with a switching resource circuit; one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply are also connected to the switching resource circuit.
The oscillograph is used for measuring whether pulse quantity, analog quantity and the like output by the board meet the functional requirements of the board, and the universal meter is used for measuring whether current, voltage and resistance output by the board meet the functional requirements of the board; the AO integrated circuit board is used for providing analog quantity signal, and myrio is used for providing the pulse signal, and direct current steady voltage is used for providing steady voltage direct current signal, and signal generator is used for providing the resistance signal, and the programmable direct current power supply is used for providing the programmable direct current power supply.
When the device is applied, the tested board card is connected with the switching resource circuit, and the controller is used for controlling the switching resource circuit to select the oscilloscope and/or the universal meter to be connected, and selecting one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply to be connected.
Meanwhile, the controller is connected with the oscilloscope and/or the universal meter and is used for receiving the test data and feeding back the test data to the upper computer/operation terminal through the serial communication interface.
Meanwhile, the controller is connected with the AO board card, the myrio, the direct-current stabilized voltage power supply, the signal generator and the program-controlled direct-current power supply, analog quantity signals provided by the AO board card can be adjusted, pulse signals provided by the myrio are adjusted, voltage-stabilizing direct-current signals provided by the direct-current stabilized voltage are adjusted, resistance signals provided by the signal generator are adjusted, and the program-controlled direct-current power supply provided by the program-controlled direct-current power supply is adjusted.
As a more detailed circuit scheme for switching resource circuits and switching control, as shown in fig. 2, a plurality of connectors and a plurality of relays are provided on the switching resource circuit. Specifically, there are two first relays: relay K1-1, relay K1-2, a plurality of second relays: relay K2-1, relay K2-2, relay K2-3, relay K2-4, relay K2-5, a plurality of third relays: relay K3-1, relay K3-2, relay K3-3.
In the example shown in FIG. 1, the controller, AO board card, wave device and/or multimeter are all disposed within a PXI chassis. In the case, a multiplexing switch board A and a multiplexing switch board B, DO are also arranged, and the controller is connected with the multiplexing switch board A and the multiplexing switch board B, DO.
As shown in fig. 2, the multiplexing switch board B is also connected to the switching resource circuit and connected to each first relay through the connector, and the DO board is also connected to the switching resource circuit and connected to each second relay through the connector.
The universal meter is connected with the relay K1-1 through a connector, the oscilloscope is connected with the relay K1-2 through a connector, and the universal meter is connected with the switching resource circuit through the relay K1-1 and the relay K1-2 respectively so as to be connected with the board card to be tested through the switching resource circuit.
The direct-current stabilized power supply, the signal generator, the program-controlled direct-current power supply, the myrio and the AO board card are correspondingly connected with the relay K2-1, the relay K2-2, the relay K2-3, the relay K2-4 and the relay K2-5 through connectors respectively to be connected to the switching resource circuit.
The multiplexing switch board card B is used for controlling the first relay according to the instruction of the controller so as to select the access of the oscillograph and/or the multimeter; the DO board card is used for controlling the second relay according to the instruction of the controller so as to select the access of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply. The instruction may be analyzed or generated by the controller after the host computer/operation terminal sends a signal to the controller through serial communication.
Different pin definitions of the tested board connector are different, the number of pins is large, in order to complete the test task, the automatic test device is matched with a multiplexing switch and a fixed value switching resource circuit, and the control system of the automatic test device can automatically distribute signal sources and test instruments to corresponding pins according to the type of the board.
The switching resource circuit is provided with a plurality of third relays: the relay K3-1, the relay K3-2 and the relay K3-3 are connected with the multiplexing switch board A, and the multiplexing switch board A is connected with each third relay; when the switch board card is applied, different pins of the tested board card are respectively connected to the switching resource circuit through different third relays, and the multiplexing switch board card A controls the third relays according to the instruction of the controller so as to select the connected pins of the tested board card.
When the device is applied, different pins of the access board card are selected according to the test contents of different board cards, different signals and testers are selected, a large number of manual wiring adjustments are not needed, an automatic switching channel is realized through the device, required signals and testers can be provided for each tested board card through the relay circuit, interface pins of the tested board card are communicated with required signal sources and the testers, and a test circuit is established.
Further, a relay K4 is further arranged on the switching resource circuit, is connected between one side of the third relay and one side of the first relay and one side of the second relay, and is connected with a multiplexing switch board card B, and the relay K4 can be controlled through the multiplexing switch board card B, so that overall on-off between one side of a tested object of the switching resource circuit and one side of a testing instrument and a signal source/power supply is realized.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit and scope of the utility model.
Claims (6)
1. A nuclear power board card testing device, comprising:
the controller is connected with the switching resource circuit;
an oscilloscope and/or a multimeter connected with the switching resource circuit;
one or more of an AO board card, a myrio, a direct-current stabilized voltage power supply, a signal generator and a program-controlled direct-current power supply of the switching resource circuit, wherein the AO board card is used for providing analog quantity signals, the myrio is used for providing pulse signals, the direct-current stabilized voltage is used for providing stabilized direct-current signals, the signal generator is used for providing resistance signals, and the program-controlled direct-current power supply is used for providing program-controlled direct-current power supplies;
when the device is applied, the tested board card is connected with the switching resource circuit, and the controller is used for controlling the switching resource circuit to select the oscilloscope and/or the universal meter to be connected, and selecting one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply to be connected.
2. The nuclear power board card testing device according to claim 1, wherein the switching resource circuit is provided with two first relays and a plurality of second relays, the controller is connected with a multiplexing switch board card B, DO board card, the multiplexing switch board card B is connected with each first relay, and the DO board card is connected with each second relay;
the oscilloscope and/or the universal meter are respectively connected to the switching resource circuit through a first relay, and the multiplexing switch board card B is used for controlling the first relay according to the instruction of the controller so as to select the connection of the oscilloscope and/or the universal meter;
one or more of the AO board card, the myrio, the direct-current voltage-stabilized power supply, the signal generator and the program-controlled direct-current power supply are respectively connected to the switching resource circuit through a second relay, and the DO board card is used for controlling the second relay according to the instruction of the controller so as to select the connection of the AO board card, the myrio, the direct-current voltage-stabilized power supply, the signal generator and the program-controlled direct-current power supply.
3. The nuclear power board card testing device according to claim 2, wherein the switching resource circuit is provided with a plurality of third relays, the controller is connected with a multiplexing switch board card A, and the multiplexing switch board card A is connected with each third relay;
when the switch board card is applied, different pins of the tested board card are respectively connected to the switching resource circuit through different third relays, and the multiplexing switch board card A is used for controlling the third relays according to the instruction of the controller so as to select the connected pins of the tested board card.
4. The nuclear power board card testing device according to claim 3, wherein a plurality of connectors are arranged on the switching resource circuit, the oscilloscope and/or the universal meter are respectively connected with the first relay through the connectors, one or more of the AO board card, the myrio, the direct-current stabilized power supply, the signal generator and the program-controlled direct-current power supply are respectively connected with the second relay through the connectors, and different pins of the tested board card are respectively connected with the third relay through the connectors.
5. The nuclear power board card testing device of claim 3 wherein the controller, the multiplexing switch board card a, the multiplexing switch board card B, DO, the AO board card, the wave device and/or the multimeter are all disposed within a PXI chassis.
6. The nuclear power board card testing device of claim 1, wherein the controller is connected to the host computer/operation terminal through a serial communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554669.XU CN219625643U (en) | 2023-03-21 | 2023-03-21 | Nuclear power board card testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554669.XU CN219625643U (en) | 2023-03-21 | 2023-03-21 | Nuclear power board card testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219625643U true CN219625643U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320554669.XU Active CN219625643U (en) | 2023-03-21 | 2023-03-21 | Nuclear power board card testing device |
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| Country | Link |
|---|---|
| CN (1) | CN219625643U (en) |
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2023
- 2023-03-21 CN CN202320554669.XU patent/CN219625643U/en active Active
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