CN211742670U

CN211742670U - Portable nuclear power station instrument accuse fastener detection case

Info

Publication number: CN211742670U
Application number: CN201922474873.7U
Authority: CN
Inventors: 秦凤; 康澄杰; 钱玉刚; 朱桂霞; 周田蜜; 刘丙月
Original assignee: China Nuclear Power Operation Technology Corp Ltd
Current assignee: China Nuclear Power Operation Technology Corp Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-23
Anticipated expiration: 2029-12-31

Abstract

The invention relates to the technical field of detection equipment, and particularly discloses a movable nuclear power station instrument control card detection box. The detection box comprises a protective box and a box cover, wherein the bottom surface inside the shell-shaped protective box is provided with a plurality of first springs, and the detection box is supported on the plurality of first springs through a flat bearing plate; the box cover is buckled at the upper end of the protective box in a matching way and is connected with the protective box through limiting rods and locking structures arranged at two sides of the box cover; the top of the two sides of the box cover is symmetrically provided with a positioning structure, so that the detection box placed in the protective box can be effectively supported and fixed. Through removing wheel quick travel, all-weather online in real time detects the instrument accuse fastener in different regions, realizes instrument accuse fastener and detects diagnostic automatic control, gathers, can effectively promote personnel work efficiency, has promoted the whole management and control level of instrument accuse fastener.

Description

Portable nuclear power station instrument accuse fastener detection case

Technical Field

The invention belongs to the technical field of detection equipment, and particularly relates to a movable nuclear power station instrument control card detection box.

Background

Safety, reliability and economy are the basis on which nuclear power plants rely for survival and development. According to the nuclear power development plan proposed by the state, the total installed capacity of the nuclear power in China is up to 4000 ten thousand kilowatts in 2020, and 1800 ten thousand kilowatts in construction. The nuclear power industry is facing good development opportunities, a group nuclear power multi-base mode is being formed, and the machine copying test and the intelligent fault diagnosis of important equipment of the nuclear power station under the situation have important significance.

In 2015, a medium nuclear power operation management company called an equipment reliability management conference, and reported special problems of equipment reliability management, non-stop events and ten-major defect handling. There are many events related to shutdown due to instrumentation and card jams. In the same year, the special evaluation of the reliability management of the medium-core operation equipment generates 4 items to be improved (AFI), and one of the items relates to the long-term reliability management of the instrument control card. However, in the INPO "to be improved field" evaluation, it was found that: in five years from 2006, the circuit board causes accidents such as shutdown and load shedding for 112 times, wherein the power generation loss is about 530 million MWe when the shutdown is performed 48 times and the load is shed 40 times.

Disclosure of Invention

The invention aims to provide a movable nuclear power station instrument control card piece detection box, which solves the defect that the nuclear power station instrument control card piece detection box in the prior art is not flexible enough.

The technical scheme of the invention is as follows: a movable nuclear power station instrument control clamping piece detection box comprises a protective box and a box cover, wherein a plurality of first springs are arranged on the bottom surface inside a shell-shaped protective box, and the detection box is supported on the first springs through a flat bearing plate; the box cover is buckled at the upper end of the protective box in a matching way and is connected with the protective box through limiting rods and locking structures arranged at two sides of the box cover; the top of the two sides of the box cover is symmetrically provided with a positioning structure, so that the detection box placed in the protective box can be effectively supported and fixed.

The protective box is characterized in that a base is horizontally arranged on the bottom surface of the protective box, a driving motor is horizontally arranged in the base, a rotating shaft is horizontally arranged on the bottom surface of the base, moving wheels are installed at two ends of the rotating shaft, the driving motor drives the rotating shaft through a belt, and a mudguard is installed on the bottom surface of the base right above the moving wheels.

An inserting groove corresponding to the box cover is vertically formed in the upper end face of the protective box, the bottom end of the box cover is vertically inserted into the inserting groove, limiting rods are horizontally arranged on two sides of the box cover, two sides of the inserting groove penetrate through the limiting rods correspondingly, and the limiting rods are connected with the protective box through a locking structure; and operation windows are symmetrically formed in the bottoms of the two sides of the protection box.

The positioning structure comprises screw holes, the screw holes are vertically formed in the tops of the two sides of the box cover, second threaded rods are connected with the screw holes in an inner threaded mode, the bottom ends of the second threaded rods are inserted into the pressing plates, and second springs are sleeved on the second threaded rods between the pressing plates and the screw holes.

The second spring is in compression state all the time, the second rotation handle is installed on second threaded rod top, first rotation handle is installed to first threaded rod bottom.

The locking structure comprises a nut, the nut is horizontally arranged on two sides of the protective box, a first threaded rod is connected in the nut in a threaded mode, a first U-shaped clamp is installed on the top end of the first threaded rod, the first U-shaped clamp is movably connected with a second U-shaped clamp, a pull rod is vertically installed on the top end of the second U-shaped clamp, a hook is installed on the top end of the pull rod, and the hook is clamped on a limiting rod.

The detection box comprises a detachable test module, an acquisition control device, a signal output device, an environment simulation device and a card adapting device.

The utility model discloses a detection case, including detection case, detachable test module, fastener adaptation device, KI board and KO board, the quick-witted case of detection case is inside to be separated into inlayer and skin, detachable test module, fastener adaptation device, KI board and KO board are laid to the skin, the quick-witted case of detection case sets up the layer is placed to the three-layer fastener, except placing existing fastener, follow-up according to fastener shape preparation fastener adaptation device, reserves the channel number through adopting the accuse device and carries out wiring and configuration, and soft, the hardware extension in the future can be realized to user's accessible software custom configuration interface function simultaneously, fastener bottom plate, AO _ V board, AO _ I board, AI module, X86 box, power, heater, dehumidifier.

The adoption and control device completes the interface conversion from the background software to the equipment to be tested, completes the conversion of the input value in the test case into a specific hardware contact or analog quantity mode, converts the output response of the equipment to be tested into an Ethernet message and transmits the Ethernet message to the background software for use, and completes the conversion of the communication message and the physical signal between the background software and the equipment to be tested.

The single-path clamping groove of the acquisition and control device can realize the input of 4 paths at most of KI quantity and 30 paths at most of AI quantity, and the acquisition and control device is divided into 24 paths of low-speed and high-speed 6 paths, wherein the low-speed acquisition frequency can reach 10KHz, and the high-speed acquisition frequency can reach 500 KHz.

The acquisition and control device is communicated with the alternating current adjustable power supply and the direct current adjustable power supply through a TCP/IP protocol, control instruction issuing is achieved, monitoring data are stored at the same time, the acquisition and control device and the website end interact through the Ethernet, and acquired data are uploaded to the website end to be displayed.

The invention has the following remarkable effects: the movable nuclear power station instrument control card piece detection box has the following advantages: 1. the moving wheels move quickly, and the instrument control clamping pieces in different areas are detected on line in real time all day long; 2. the automatic control and collection of the detection and diagnosis of the instrument control clamping piece are realized, the working efficiency of personnel can be effectively improved, and the overall control level of the instrument control clamping piece is improved; 3. the testing example can realize full intelligent detection on instrument control according to analysis, maintenance efficiency is improved, and workload of card maintenance personnel is reduced.

Drawings

FIG. 1 is a front view of a movable nuclear power station instrument control card detection box according to the invention;

FIG. 2 is a side view of a movable nuclear power plant instrument control card detection box according to the invention;

FIG. 3 is a partial enlarged view of a detection box of a movable nuclear power station instrument control card piece, which is provided by the invention;

FIG. 4 is an enlarged view of a position A of the detection box of the movable nuclear power station instrument control card piece, which is provided by the invention;

FIG. 5 is a wiring diagram of a mining device of a detection box of a movable nuclear power station instrument control card piece, which is provided by the invention;

FIG. 6 is a detection box internal wiring diagram of the detection box of the movable nuclear power station instrument control card piece, provided by the invention;

in the figure: 1. a protective box; 2. a first spring; 3. a bearing plate; 4. a slot; 5. a box cover; 6. a screw hole; 7. a second threaded rod; 8. a second spring; 9. pressing a plate; 10. a limiting rod; 11. a pull rod; 12. a second U-shaped card; 13. a first U-shaped card; 14. a first threaded rod; 15. a nut; 16. a second rotating handle; 17. a first rotating handle; 18. hooking; 19. a detection box; 20. a base; 21. a drive motor; 22. a rotating shaft; 23. a moving wheel; 24. a fender; 25. a belt; 26. and operating the window.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

As shown in figures 1-6, a movable nuclear power station instrument control fastener detection box comprises a protection box 1 and a box cover 5, wherein a plurality of first springs 2 are vertically arranged on the bottom surface inside the protection box 1, a bearing plate 3 is horizontally arranged at the top ends of the first springs 2, a detection box 19 is arranged on the upper surface of the bearing plate 3, a slot 4 corresponding to the box cover 5 is vertically arranged on the upper end surface of the protection box 1, the bottom end of the box cover 5 is vertically inserted into the slot 4, a limiting rod 10 is horizontally arranged on two sides of the box cover 5, two sides of the slot 4 are correspondingly penetrated through the limiting rod 10, the limiting rod 10 is connected with the protection box 1 through a locking structure, the locking structure comprises nuts 15, the nuts 15 are horizontally arranged on two sides of the protection box 1, a first threaded rod 14 is vertically screwed in the nuts 15, a first U-shaped clamp 13 is arranged at the top end of the first threaded rod 14, the first U-shaped clamp 13 is movably connected with a second U-shaped, the top end of a pull rod 11 is provided with a hook 18, the hook 18 is clamped on a limiting rod 10, the top parts of two sides of a box cover 5 are symmetrically provided with a positioning structure, the positioning structure comprises a screw hole 6, the screw hole 6 is vertically arranged on the top parts of two sides of the box cover 5, the screw hole 6 is in threaded connection with a second threaded rod 7, the bottom end of the second threaded rod 7 is inserted on a press plate 9, a second spring 8 is sleeved on the second threaded rod 7 between the press plate 9 and the screw hole 6, the second spring 8 is always in a compressed state, the top end of the second threaded rod 7 is provided with a second rotating handle 16, the bottom end of a first threaded rod 14 is provided with a first rotating handle 17, the bottom parts of two sides of a protective box 1 are symmetrically provided with operating windows 26, the bottom surface of the protective box 1 is horizontally provided with a base 20, a driving motor 21 is horizontally arranged in the base 20, a fender 24 is mounted on the bottom surface of the base 1 directly above the moving wheel 23.

In order to realize the portability and the applicability of the case to the field, the mobile detection case adopts a modular design and is an aluminum alloy case with a customized structure.

Handles are designed on two sides of the outer box body of the detection box, so that the detection box is convenient to carry; the left side opening is used for installing various external interfaces; the right side is provided with a water outlet for water drainage of the dehumidifier, and the right lower part is pasted with a nameplate for basic information display of the detection box.

The inside of the detection box is divided into an inner layer and an outer layer which are separated by an inner box body.

Detachable test module, fastener adaptation device, KI board and KO board are put to the skin, conveniently by the change of test card spare and the change extension of other hardware. The case is provided with three clamping piece placing layers, the clamping piece adapting devices can be manufactured subsequently according to the shapes of clamping pieces except for placing the existing clamping pieces, wiring and configuration are carried out through the number of reserved channels of the acquisition and control devices, meanwhile, the user can configure the interface function through software customization, and future software and hardware expansion can be realized.

The inner layer is provided with a bottom plate of a clamping piece, an AO _ V plate, an AO _ I plate, an AI module, an X86 box, a power supply, a heater, a dehumidifier, a switch and other modules. The inner layer hardware is fixed equipment and is not changed due to the replacement of the type of the card to be tested.

The adoption control device completes the interface conversion from background software (test case) to the equipment to be tested; the method mainly completes the conversion of the input value in the test case into a specific mode (such as hardware contact, analog quantity and the like), converts the output response (such as hardware contact, analog quantity and the like) of the equipment to be tested into an Ethernet message and transmits the Ethernet message to background software (the test case) for use, and completes the conversion of communication messages and physical signals between the background software and the device to be tested.

Based on the analysis to all cards, adopt and control device single-channel draw-in groove and can realize 4 input at most of KI volume, 30 input at most of AI volume, divide 24 low-speed and high-speed 6 ways, wherein the low-speed frequency of gathering can reach 10KHz, and the high-speed frequency of gathering can reach 500 KHz.

And the control information between the background software and the acquisition and control device adopts a customized communication protocol. Mainly comprises the following steps: providing an acquisition control function; the acquisition terminal and the background software adopt an Ethernet (internal protocol) to receive test configuration; the acquisition terminal is connected with the input and output of the device to be tested through hardware and directly adopts bus communication with the simulation; different acquisition frequencies are adopted for different signal types, and the accuracy of signal acquisition is ensured.

The acquisition and control terminal receives test configuration information sent by background software by adopting an Ethernet (internal protocol); and the input and output pins between the test device and the card are connected through hard wiring. Meanwhile, the acquisition and control device is also loaded with control software of a card detection test platform and integrates functions of configuration file receiving, test case analysis, command issuing, data uploading and the like.

In the test process, the acquisition and control device is communicated with the alternating current adjustable power supply and the direct current adjustable power supply through a TCP/IP protocol, so that control instructions are issued, and monitoring data are stored. The switching power supply supplies power to the acquisition and control device. On the other hand, the acquisition and control device and the website end interact through the Ethernet, and the acquired data is uploaded to the website end for display.

The signal output device is an important part of the whole device, mainly provides an input signal required by a card piece to be tested, and comprises: intelligent AO _ I board, intelligent AO _ V board, intelligent KO board. They communicate with the X86 box via the CAN bus.

The box body environment control device mainly comprises a temperature and humidity detection sensor, a dehumidifier and a heater.

Claims

1. The utility model provides a portable nuclear power station instrument accuse fastener detection case which characterized in that: the detection box comprises a protective box (1) and a box cover (5), wherein the bottom surface inside the shell-shaped protective box (1) is provided with a plurality of first springs (2), and the detection box (19) is supported on the plurality of first springs (2) through a flat bearing plate (3); the box cover (5) is buckled at the upper end of the protective box (1) in a matching way and is connected with the protective box (1) through limiting rods (10) and locking structures which are arranged at two sides of the box cover (5); the top of the two sides of the box cover (5) is symmetrically provided with a positioning structure, so that the detection box (19) placed in the protective box (1) can be effectively supported and fixed.

2. The movable nuclear power station instrument control card piece detection box according to claim 1, characterized in that: protection box (1) bottom surface horizontal installation has base (20), driving motor (21) are equipped with to horizontal installation in base (20), base (20) bottom surface level is provided with pivot (22), removal wheel (23) are installed at pivot (22) both ends, driving motor (21) pass through belt (25) drive pivot (22), install fender (24) on base (20) bottom surface directly over removal wheel (23).

3. The movable nuclear power station instrument control card piece detection box according to claim 1, characterized in that: the protective box comprises a protective box (1), and is characterized in that a slot (4) corresponding to a box cover (5) is vertically formed in the upper end surface of the protective box (1), the bottom end of the box cover (5) is vertically inserted into the slot (4), limiting rods (10) are horizontally arranged on two sides of the box cover (5), two sides of the slot (4) are correspondingly penetrated through the limiting rods (10), and the limiting rods (10) are connected with the protective box (1) through locking structures; the bottom parts of two sides of the protective box (1) are symmetrically provided with operation windows (26).

4. The movable nuclear power station instrument control card piece detection box according to claim 1, characterized in that: location structure includes screw (6), screw (6) are seted up perpendicularly at case lid (5) both sides top, screw (6) female connection has second threaded rod (7), second threaded rod (7) bottom cartridge is on clamp plate (9), the cover is equipped with second spring (8) on second threaded rod (7) between clamp plate (9) and screw (6).

5. The movable nuclear power station instrument control card piece detection box according to claim 4, characterized in that: the second spring (8) is always in a compressed state, and a second rotating handle (16) is installed at the top end of the second threaded rod (7).

6. The movable nuclear power station instrument control card piece detection box according to claim 1, characterized in that: the locking structure comprises a nut (15), the nut (15) is horizontally arranged on two sides of a protection box (1), a first threaded rod (14) is connected with a vertical screw in the nut (15), a first U-shaped clamp (13) is installed on the top end of the first threaded rod (14), the first U-shaped clamp (13) is movably connected with a second U-shaped clamp (12), a pull rod (11) is vertically installed on the top end of the second U-shaped clamp (12), a hook (18) is installed on the top end of the pull rod (11), the hook (18) is clamped on a limiting rod (10), and a first rotating handle (17) is installed at the bottom end of the first threaded rod (14).

7. The movable nuclear power station instrument control card piece detection box according to any one of claims 1 to 6, characterized in that: the detection box (19) comprises a detachable test module, an acquisition control device, a signal output device, an environment simulation device and a card adapting device.

8. The movable nuclear power station instrument control card piece detection box according to claim 7, characterized in that: the utility model discloses a detection case, including detection case (19), detection case, card base plate, AO _ V board, AO _ I board, AI module, X86 box, power, heater, dehumidifier, switch module, detection case (19) inside is separated and is divided into inlayer and skin, detachable test module, card piece adapter device, KI board and KO board are laid to the skin, the quick-witted case of detection case (19) sets up the three-layer card piece and places the layer, except placing existing card piece, follow-up according to card piece shape preparation card piece adapter device, reserves the channel number through the acquisition and control device and carries out wiring and configuration, card piece base plate, AO _ V board, AO _ I.

9. The movable nuclear power station instrument control card piece detection box according to claim 8, characterized in that: the single-path clamping groove of the acquisition and control device can realize the input of 4 paths at most of KI quantity and 30 paths at most of AI quantity, and the acquisition and control device is divided into 24 paths of low-speed and high-speed 6 paths, wherein the low-speed acquisition frequency can reach 10KHz, and the high-speed acquisition frequency can reach 500 KHz.

10. The movable nuclear power station instrument control card piece detection box according to claim 9, characterized in that: the acquisition and control device is communicated with the alternating current adjustable power supply and the direct current adjustable power supply through a TCP/IP protocol, control instruction issuing is achieved, monitoring data are stored at the same time, the acquisition and control device and the website end interact through the Ethernet, and acquired data are uploaded to the website end to be displayed.