CN208506163U - A kind of nuclear power station protection system at regular intervals testing stand detection device - Google Patents
A kind of nuclear power station protection system at regular intervals testing stand detection device Download PDFInfo
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- CN208506163U CN208506163U CN201821203980.5U CN201821203980U CN208506163U CN 208506163 U CN208506163 U CN 208506163U CN 201821203980 U CN201821203980 U CN 201821203980U CN 208506163 U CN208506163 U CN 208506163U
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Abstract
The utility model relates to a kind of nuclear power stations to protect system at regular intervals testing stand detection device, belong to nuclear power station protection systems technology field, solve the problems, such as that detection efficiency caused by manual loading standard signal detection in the prior art is low, precision is low.Detection device includes front panel, upper circuit board, lower circuit board, back circuit board；Front panel and back circuit board are oppositely arranged, and upper circuit board and lower circuit board are successively arranged in parallel in from top to bottom between front panel and back circuit board；Front panel is embedded with socket, and socket is electrically connected by connector array 1 and upper circuit board, and upper circuit board is electrically connected by connector array 2 and back circuit board electrical connection, back circuit board by connector array 3 and lower circuit board.The structure of the detecting device is compact, design is reasonable, can complete analog input/output, On-off signal/output, the self-test of thermal resistance output signal, annual test, realize the accurate detection to testing stand signal, improve detection efficiency.
Description
Technical field
The utility model relates to nuclear power station protection systems technology field more particularly to a kind of protection system at regular intervals examinations of nuclear power station
Test platform detection device.
Background technique
Protection system at regular intervals testing stand is the device that routine test is carried out to nuclear island of nuclear power station protection system, is typically designed to
Moveable carriage device.Testing stand during use, due to by various stress effect and external environment influenced, can
The situation of input/output signal inaccuracy can be will appear, to influence the fault detection and accurate positioning to protection system.In order to
Testing stand is set smoothly to complete test assignment, guarantee test platform measurement accuracy and predetermined failure verification and measurement ratio, it is periodically right to need
Testing stand is tested.
Domestic and international Auto-Test System is to its self-test and rated capacity requirement with higher at present, and exclusively carries out phase
The design of pass.It such as all needs regularly to be detected in some devices of military industry field and big power station's (thermoelectricity, nuclear power), but examines
Methods are surveyed to be not quite similar.Due to the particularity of nuclear power field, the reliability of stronger conditioning technology rather than it is advanced, tried periodically
The context of detection of experiment device lacks automatic detection function, mainly by manually carrying out.
The detection of the protection system at regular intervals test testing stand of existing nuclear power station is generally believed by operator's manual loading standard
It number is detected, is taken time and effort, location difficulty, or even can not position at all.
Utility model content
In view of above-mentioned analysis, the utility model is intended to provide a kind of nuclear power station protection system at regular intervals testing stand detection dress
It sets, the protection system at regular intervals to solve existing nuclear power station tests the detection of testing stand generally by operator's manual loading standard
Signal detected, taken time and effort, location difficulty, the problem of can not even positioning at all.
The purpose of this utility model is mainly achieved through the following technical solutions:
A kind of nuclear power station protects system at regular intervals testing stand detection device, the detection device include front panel, upper circuit board,
Lower circuit board, back circuit board；The front panel and back circuit board are oppositely arranged, and the upper circuit board and lower circuit board are from top to bottom
It is successively arranged in parallel between front panel and back circuit board；
The front panel is embedded with socket, and the socket is electrically connected by connector array 1 and the upper circuit board, institute
Circuit board is stated to be electrically connected by connector array 2 and the back circuit board, the back circuit board pass through connector array 3 and
The lower circuit board electrical connection.
The utility model has the beneficial effect that: nuclear power station protection system at regular intervals testing stand detection dress provided in this embodiment
It sets, the transmitting of front panel receptacle signal, the detection device knot is realized by front panel, upper circuit board, back circuit, lower circuit board
Structure is compact, design is reasonable, realizes the accurate detection to testing stand signal, improves detection efficiency.
On the basis of above scheme, the utility model has also done following improvement:
Further, the socket includes the female of aerospace connectors, the aerospace connectors female by conducting wire with connect
1 female of device array is connected, and the female of the connector array 1 is corresponding with the male connector of connector array 1 on the upper circuit board to be connected
It connects, the male connector of connector array 1 and the male connector of connector array 2 on the upper circuit board are electrically connected on the upper circuit board
It connecing, the male connector of connector array 2 and the female of connector array 2 on the back circuit board are correspondingly connected on the upper circuit board,
The female and the female for carrying on the back connector array 3 on circuit board of connector array 2 carry out electrical on the back circuit board
Connection, the female for carrying on the back connector array 3 on circuit board is corresponding with the male connector of connector array 3 on the lower circuit board to be connected
It connects.
Beneficial effect using above-mentioned further scheme is: being closed by further limiting the position between each connector array
System, is conducive to the connector arrangement situation that those skilled in the art is even further appreciated that the application, being arranged so can guarantee
The stability of connector array in detection device, and line caused by conducting wire is directly arranged on circuit board is avoided by connector
The problems such as road is mixed and disorderly, failure is not easy investigation；Meanwhile by the way that aerospace connectors female is arranged on the front panel, may be implemented to examine
The connection between device and testing stand is surveyed, signal connection is established, while providing the corresponding connection of aerospace connectors female and closing
System, compact-sized, design rationally, are easy to understand.
Further, the socket further includes detection hole, and the detection hole interface passes through connector array 1 and the upper circuit
Plate electrical connection.
Beneficial effect using above-mentioned further scheme is: by the way that detection hole is arranged on the front panel, may be implemented to detect
Device receives extraneous standard signal, or is acquired through detection hole output signal by master meter.
It further, further include switching circuit array on the lower circuit board, the switching circuit array and connector array 3
Male connector be correspondingly connected with；
Beneficial effect using above-mentioned further scheme is: this design method of the application, be effectively ensured front panel with
Switching circuit array is arranged without being directly connected in lower circuit board on lower circuit board, clear in structure, convenient for the disassembly of lower circuit board
And recycling.
The switching circuit array includes several switch circuit units, and the switch circuit units include relay, two
Pole pipe,
Wherein, the anode of the cathode of diode and power supply connects, and the cathode of anode and power supply connects,
The relay is IM07GR, and 1 mouthful of relay connect with the anode of power supply, and 8 mouthfuls connect with the cathode of power supply；
3 mouthfuls of the relay, 6 mouthfuls the male connector of connector array 3 corresponding with aerospace connectors socket is corresponding respectively connects
It connects.
The male connector of 4 mouthfuls of the relay, 5 mouthfuls connector arrays 3 corresponding with detection hole respectively is correspondingly connected with.
Beneficial effect using above-mentioned further scheme is: the tool by providing switch circuit units in switching circuit array
Body form realizes the technical solution in the application using identical technological means convenient for those skilled in the art.
Further, two switch circuit units be 2 mouthfuls of two relays in one group, every group be correspondingly connected with, 7 mouthfuls it is right
It should connect.
Using the beneficial effect of above-mentioned further scheme is: by by two switch circuit units for one group, every group
In 2 mouthfuls of two relays be correspondingly connected with, 7 mouthfuls be correspondingly connected with, complete AI/O, DI/O signal carry out self-test when signal company
It connects.
Further, the switching switching circuit further includes resistance,
2 mouthfuls of described resistance one end and the relay are connected, and 7 mouthfuls of the other end and the relay are connected.
Beneficial effect using above-mentioned further scheme is: when carrying out voltage acquisition using AO output electric current, AI, according to
The detection of detection device needs, and resistance is provided between 2 mouthfuls, 7 mouthfuls of relay.
Further, the upper circuit board is bolted to connection with the lower circuit board.
Beneficial effect using above-mentioned further scheme is: the structure for being conducive to detection device is more stable.
Further, the detection device further includes lower panel, rear panel and U-shaped metal cover board,
The left side of the lower panel is fixedly connected with the lower part on the inside of front panel, the right side of the lower panel with below
Lower part on the inside of plate is fixedly connected；The lower panel is arranged in parallel in below the lower circuit board, and by bolt with it is described
The downside of lower circuit board is fixedly connected；The back circuit board is arranged in parallel between the front panel and the rear panel, and
It is fixedly connected by bolt with the rear panel, the U-shaped metal cover board tips upside down on the front panel and rear panel, U-shaped gold
The two sides for belonging to cover board are vertically arranged and are bolted with the leading flank of lower panel and trailing flank respectively, the front panel,
Rear panel, lower panel and U-shaped metal cover board collectively form closed cabinet.
Beneficial effect using above-mentioned further scheme is: the structure for being conducive to detection device is more stable, guarantees simultaneously
Detection device has certain dust-proof, waterproof effect.
Further, the left and right sides of the front panel are respectively arranged with L-type dismounting component；The L-type removable sections
Including two laminated structures；The fixed left side or right side for being fitted in the front panel of one of laminated structure；It is another
Laminated structure is vertically arranged with the left side of the front panel or right side.
Beneficial effect using above-mentioned further scheme is: being conducive to dismount detection device in practical applications, be provided with
Corresponding dismounting component.
In the utility model, can also mutually it be closed array between above-mentioned each technical solution, to realize more preferred arrays
Conjunction scheme.Other feature and advantage of the utility model will illustrate in the following description, also, certain advantages can be from explanation
It becomes apparent in book, or is understood and implementing the utility model.The purpose of this utility model and other advantages can lead to
It crosses in content specifically noted in specification, claims and attached drawing and is achieved and obtained.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitations of the present invention, entire
In attached drawing, identical reference symbol indicates identical component.
Fig. 1 is that nuclear power station protects system at regular intervals testing stand structure of the detecting device block diagram；
Fig. 2 is that nuclear power station protects system at regular intervals testing stand detection device front-panel structure figure；
Fig. 3 is that nuclear power station protects the hardened composition of circuit in system at regular intervals testing stand detection device；
Fig. 4 is that nuclear power station protects system at regular intervals testing stand detection device to carry on the back board structure of circuit figure；
Fig. 5 is switch circuit units structure chart in circuit board under nuclear power station protection system at regular intervals testing stand detection device.
Appended drawing reference:
1- front panel；The upper circuit board of 2-；3- carries on the back circuit board；Circuit board under 4-；5- lower panel；6- rear panel；201- connection
1 male connector of device array；2 male connector of 202- connector array；2 female of 301- connector array；3 female of 302- connector array.
Specific embodiment
Specifically describe the preferred embodiment of the utility model with reference to the accompanying drawing, wherein attached drawing constitutes the application one
Point, and be used to illustrate the principles of the present invention together with the embodiments of the present invention, it is not intended to limit the utility model
Range.
One specific embodiment of the utility model discloses a kind of nuclear power station protection system at regular intervals testing stand detection dress
It sets, the structure chart of the detection device is as shown in Fig. 1: including front panel 1, upper circuit board 2, lower circuit board 4, back circuit board 3；Institute
It states front panel 1 and back circuit board 3 is oppositely arranged, before the upper circuit board 2 and lower circuit board 4 are successively arranged in parallel in from top to bottom
Between panel 1 and back circuit board 3；
The front panel is embedded with socket (socket includes the female of aerospace connectors, detection hole etc.), and the socket is logical
It crosses connector array 1 and the upper circuit board is electrically connected, the upper circuit board passes through connector array 2 and the back circuit board
Electrical connection, the back circuit board are electrically connected by connector array 3 and the lower circuit board.
Compared with prior art, nuclear power station provided in this embodiment protects system at regular intervals testing stand detection device, the detection
Apparatus structure is compact, design is reasonable, realizes the accurate detection to testing stand signal, improves detection efficiency.
In order to guarantee the structural stability of the detection device, upper circuit board is bolted to connection with lower circuit board.
In view of the practicability and structural stability of detection device, the detection device further includes lower panel 5, rear panel 6
And U-shaped metal cover board,
The left side of the lower panel is fixedly connected with the lower part on the inside of front panel, the right side of the lower panel with below
Lower part on the inside of plate is fixedly connected；The lower panel is arranged in parallel in below the lower circuit board, and by bolt with it is described
The downside of lower circuit board is fixedly connected；The back circuit board is arranged in parallel between the front panel and the rear panel, and
It is fixedly connected by bolt with the rear panel, the U-shaped metal cover board tips upside down on the front panel and rear panel, U-shaped gold
The two sides for belonging to cover board are vertically arranged and are bolted with the leading flank of lower panel and trailing flank respectively, the front panel,
Rear panel, lower panel and U-shaped metal cover board collectively form closed cabinet.The structure for being conducive to detection device is more stable, together
When guarantee that detection device has certain dust-proof, waterproof effect.
To keep detection device easy to disassemble, while guaranteeing that detection device is capable of fixing on testing stand, in front a left side for plate
Right two sides are respectively arranged with L-type dismounting component；The L-type removable sections include two laminated structures；One of piece
The fixed left side or right side for being fitted in the front panel of shape structure；The left side of another laminated structure and the front panel or
Right side is vertically arranged.
In another embodiment, it is contemplated that aerospace connectors socket is provided on testing stand, so on the front panel
Also the female provided with aerospace connectors is respectively corresponded, to be respectively labeled as AI-T, AO-T, DI-T, DO-T convenient for differentiation,
The female AI-T of middle aerospace connectors includes 55 jacks, and aerospace connectors AO-T, DI-T, DO-T respectively include 37 root cutting holes,
Nuclear power station protects system at regular intervals testing stand detection device front-panel structure figure as shown in Figure 2.
It is hardened that circuit board, back circuit in nuclear power station protection system at regular intervals testing stand detection device is set forth in Fig. 3, Fig. 4
Composition.Connector array described in the present embodiment refers to the array structure being made of multiple connectors, as shown in figure 3, each
Connector includes male connector and the female that is correspondingly connected with.Wherein, connector array 1 includes 1 male connector 201 of connector array and corresponds to
The female of connection；Connector array 2 includes the female 301 that connector array 2 male connector 202 and is correspondingly connected with；Connector array 3 wraps
Include the male connector that connector array 3 female 302 He is correspondingly connected with, wherein male connector, the male connector of connector array 2 of connector array 1
It is arranged in circuit board and corresponding electrical connection, the female of connector array 2, the female of connector array 3 are arranged in back circuit
Plate and corresponding electrical connection.
Aerospace connectors female is connected by conducting wire with 1 female of connector array, the female of the connector array 1 and institute
1 male connector 201 of connector array on circuit board is stated to be correspondingly connected with, on the upper circuit board 1 male connector 201 of connector array with it is described
2 male connector 202 of connector array is electrically connected on upper circuit board, 2 male connector 202 of connector array and institute on the upper circuit board
2 female 301 of connector array on back circuit board is stated to be correspondingly connected with, on the back circuit board 2 female 301 of connector array and
3 female 302 of connector array is electrically connected on the back circuit board, 3 female 302 of connector array on the back circuit board
It is correspondingly connected with the male connector of connector array 3 on the lower circuit board.
Preferably, the socket further includes detection hole, as AI signal detection hole, AO signal detection hole, DI signal detection hole,
Resistance detection hole etc., the detection hole interface are electrically connected by connector array 1 and the upper circuit board；In addition, front panel is also
It may include DO indicator light, power supply indicator, detection button etc., electrically connect also by connector array 1 and the upper circuit board
It connects.
It preferably, further include switching circuit array on the lower circuit board, the switching circuit array and connector array 3
Male connector be correspondingly connected with.
Preferably, the switching circuit array include several switch circuit units, the switch circuit units include after
Electric appliance, diode,
Wherein, the anode of the cathode of diode and power supply connects, and the cathode of anode and power supply connects,
The relay is IM07GR, and 1 mouthful of relay connect with the anode of power supply, and 8 mouthfuls connect with the cathode of power supply.
In another embodiment, switch circuit units example is given, as shown in figure 5,
Wherein, 3 mouthfuls of the relay in switch circuit units K1,6 mouthfuls respectively with correspond to aerospace connectors AI-T connection
AI_1_3, AI_1_2 of device array 3 are connected, 4 mouthfuls of relay, 5 mouthfuls of AI 1_5V+_Anu, AI with AI signal detection hole respectively
1_5V-_Anu is connected；
3 mouthfuls of relay in switch circuit units K35,6 mouthfuls respectively with the connector battle array that corresponds to aerospace connectors AO-T
AO_1_3, AO_1_2 of column 3 are connected, 4 mouthfuls of relay, 5 mouthfuls of AO 1_1_Anu, AO 1_2_ with AO signal detection hole respectively
Anu is connected；
When being detected using the detection device of the application, first by a 55 core AI cables, three 37 core AO/DI/
DO cable (corresponds to AI_T, AO_T, DI_T, DO_ from the aerospace connectors socket that routine test platform is connected to detection device
T), subsequent signal detection is then proceeded to.
When carrying out analog quantity self-test using the detection device of the application, AO mouthfuls of output current/voltages of testing stand can be passed through
Signal, device collection voltages signal illustrates self-detection result qualification, tool if the signal of acquisition is within the allowable range after testing
Body realizes that process is as follows:
The channel AO issue current signal via aerospace connectors AO-T (1+, 2-) be transmitted to K35_3, K35_6 (AO 1_1,
AO 1_2)；
K35_2, K35_3 are logical when Auto-Sensing Mode, and K35_7, K35_6 are logical, K35_2, K35_7 (AO 1_1Self, AO 1_
Precision resistance 2Self) containing 250 Ω, is converted into voltage signal for current signal；
Phase between 2,7 (AO 1_1Self, the AO 1_2Self) of 2,7 (AO 1_1Self, the AO 1_2Self) and K1 of K35
It connects；
K1_2, K1_3 are logical when Auto-Sensing Mode, and K1_7, K1_6 are logical, and K1_3, K1_6 (AI 1_3, AI 1_2) again believe voltage
Number it is transferred to aerospace connectors AI-T (3+, 2-), the acquisition of current signal is completed by the channel AI.
When carrying out analog quantity annual test using the detection device of the application, AO mouthfuls of output current/voltages of testing stand can be passed through
Signal, the acquisition of signal is completed in the AO signal detection hole of plate with master meter in front, if the signal of acquisition is within the allowable range,
Then illustrate that AO annual test is qualified, the specific implementation process is as follows:
The channel AO issue current signal via aerospace connectors AO-T (1+, 2-) be transmitted to K35_3, K35_6 (AO 1_1,
AO 1_2)；
K35_3, K35_4 are logical when annual test mode, and K35_6, K35_5 are logical；K35_4,K35_5(AO 1_1Anu,AO 1_
The detection hole for 2Anu) transmitting signals to the AO_1 of front panel, using master meter data acquisition.
Pass through the AI signal detection hole Injection Signal of front panel using reference signal generator, reads the voltage letter in the channel AI
Number, if the signal read is within the allowable range, illustrate that AI annual test is qualified.
Pass through 1 Injection Signal of AI signal detection hole AI of front panel using reference signal generator, signal is transmitted to K1_
4, K1_5 (AI 1_5V+Anu, AI 1_5V-Anu)；
K1_3, K1_4 are logical when annual test mode, and K1_6, K1_5 are logical；K1_3, K1_6 (AI 1_3, AI 1_2) transmit signal
To aerospace connectors AI-T (3+, 2-), software program reads the signal in the corresponding channel AI.
The signal detection process of DI, DO, RID and the detection process of AI, AO are similar, and details are not described herein.
The detection device of the application be capable of providing between AI/O and between DI/O, the convenient connection of the signal of RTD, complete letter
Intersection between number mutually examines (self-test)；The signal detection hole of standard is provided simultaneously, the detection of signal is completed for external master meter
(annual test).
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (10)
1. a kind of nuclear power station protects system at regular intervals testing stand detection device, which is characterized in that the detection device include front panel,
Upper circuit board, lower circuit board, back circuit board；The front panel and back circuit board are oppositely arranged, the upper circuit board and lower circuit
Plate is successively arranged in parallel in from top to bottom between front panel and back circuit board；
The front panel is embedded with socket, and the socket is electrically connected by connector array 1 and the upper circuit board, it is described on
Circuit board is electrically connected by connector array 2 and the back circuit board, the back circuit board pass through connector array 3 with it is described
Lower circuit board electrical connection.
2. the apparatus according to claim 1, which is characterized in that the socket includes the female of aerospace connectors, the boat
Empty connector female end is connected by conducting wire with 1 female of connector array, the female of the connector array 1 and the upper circuit board
The male connector of upper connector array 1 is correspondingly connected with, and is connected on the male connector of connector array 1 and the upper circuit board on the upper circuit board
The male connector for connecing device array 2 is electrically connected, and is connected on the male connector of connector array 2 and the back circuit board on the upper circuit board
The female for connecing device array 2 is correspondingly connected with, the female of connector array 2 and connector on the back circuit board on the back circuit board
The female of array 3 is electrically connected, the female of connector array 3 and connector on the lower circuit board on the back circuit board
The male connector of array 3 is correspondingly connected with.
3. the apparatus of claim 2, which is characterized in that the socket further includes detection hole, the detection hole interface
It is electrically connected by connector array 1 and the upper circuit board.
4. device according to any one of claim 1-3, which is characterized in that further include switching electricity on the lower circuit board
The male connector of road array, the switching circuit array and connector array 3 is correspondingly connected with.
5. device according to claim 4, which is characterized in that the switching circuit array includes several switching circuit lists
Member, the switch circuit units include relay, diode,
Wherein, the anode of the cathode of diode and power supply connects, and the cathode of anode and power supply connects,
The relay is IM07GR, and 1 mouthful of relay connect with the anode of power supply, and 8 mouthfuls connect with the cathode of power supply；
3 mouthfuls, 6 mouthfuls of the relay are connect with the male connector for the connector array 3 for corresponding to aerospace connectors socket respectively；
4 mouthfuls, 5 mouthfuls of the relay are connect with the male connector for the connector array 3 for corresponding to detection hole respectively.
6. device according to claim 5, which is characterized in that two switch circuit units are in one group, every group
Two 2 mouthfuls of relay be correspondingly connected with, 7 mouthfuls be correspondingly connected with.
7. device according to claim 5 or 6, which is characterized in that the switch circuit units further include resistance,
2 mouthfuls of described resistance one end and the relay are connected, and 7 mouthfuls of the other end and the relay are connected.
8. device described in -3 any one according to claim 1, which is characterized in that the upper circuit board and the lower circuit board
It is bolted to connection.
9. device according to any one of claim 1-3, which is characterized in that the detection device further include lower panel,
Rear panel and U-shaped metal cover board,
The left side of the lower panel is fixedly connected with the lower part on the inside of front panel, in the right side and rear panel of the lower panel
The lower part of side is fixedly connected；The lower panel is arranged in parallel in below the lower circuit board, and passes through bolt and the lower electricity
The downside of road plate is fixedly connected；The back circuit board is arranged in parallel between the front panel and the rear panel, and is passed through
Bolt is fixedly connected with the rear panel, and the U-shaped metal cover board tips upside down on the front panel and rear panel, U-shaped metal cover
The two sides of plate are vertically arranged and are bolted with the leading flank of lower panel and trailing flank respectively, the front panel, back
Plate, lower panel and U-shaped metal cover board collectively form closed cabinet.
10. device according to any one of claim 1-3, which is characterized in that the left and right sides of the front panel point
It is not provided with L-type dismounting component；The L-type removable sections include two laminated structures；One of laminated structure is fixed
It is fitted in the left side or right side of the front panel；Another laminated structure is vertical with the left side of the front panel or right side
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203980.5U CN208506163U (en) | 2018-07-27 | 2018-07-27 | A kind of nuclear power station protection system at regular intervals testing stand detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203980.5U CN208506163U (en) | 2018-07-27 | 2018-07-27 | A kind of nuclear power station protection system at regular intervals testing stand detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506163U true CN208506163U (en) | 2019-02-15 |
Family
ID=65290411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821203980.5U Active CN208506163U (en) | 2018-07-27 | 2018-07-27 | A kind of nuclear power station protection system at regular intervals testing stand detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506163U (en) |
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2018
- 2018-07-27 CN CN201821203980.5U patent/CN208506163U/en active Active
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