CN210075800U - Installation structure of instrument control board set of nuclear power station - Google Patents

Abstract

The utility model relates to a nuclear power station control and protection technical field provide a mounting structure of nuclear power station instrument board group, including rack and slidable mounting instrument board group on the rack, instrument board group goes up and helps pulling out the strip along first linear direction slidable mounting, be provided with first backstop portion on the instrument board group, help pull out be provided with on the strip with instrument board group's first backstop portion butt complex is protruding. The utility model has the advantages that the first stopping part is arranged on the instrument control board set, and the first pulling-assisting strip is slidably arranged, so that the structure is simple, and the instrument control board set can be more conveniently detached from the cabinet by the hand of a human body; after the instrument control panel group is installed, the pulling-assisting strip can be retracted into the cabinet in a sliding mode, only a small part of the end part of the pulling-assisting strip is exposed, the appearance of the cabinet is slightly affected, and the operation of wiring and a knob on the cabinet is not affected.

Description

Installation structure of instrument control board set of nuclear power station

Technical Field

The utility model belongs to the technical field of nuclear power station control and protection, more specifically say, relate to a mounting structure of nuclear power station instrument panel group.

Background

The instrument control panel group is a circuit board part used for instrument control equipment in a nuclear island process control and protection system of a nuclear power station, and can realize functions of data acquisition and processing, control and regulation, diagnosis, communication and the like in the running process of the system. The instrument control board group is usually installed on the cabinet of the instrument control equipment and is frequently required to be repeatedly disassembled and assembled so as to carry out operations such as fault detection and electronic component replacement on the instrument control board group, and the problems of complex installation structure and inconvenient disassembly and assembly of the structural design of the original instrument control board group generally exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mounting structure of nuclear power station instrument control board group to the mounting structure who solves original instrument control plate is complicated, the inconvenient technical problem of dismouting.

In order to achieve the above object, the utility model adopts the following technical scheme: installation structure of nuclear power station instrument board group, including rack and slidable mounting instrument board group on the rack, the last first linear direction slidable mounting of edge of instrument board group helps pulling out the strip, be provided with first backstop portion on the instrument board group, help pull out be provided with on the strip with the first backstop portion butt complex arch of instrument board group.

Further, one end of the pulling-assisting strip is provided with a pulling block, a second stopping portion is arranged on the instrument control board set, and the pulling block is in butt fit with the second stopping portion of the instrument control board set.

Further, the surface of the pulling block is provided with an anti-slip groove.

Further, instrument board group includes mutual fixed connection's circuit board and backplate, help and draw the strip slidable mounting on the backplate, first backstop portion with the second backstop portion all sets up on the backplate.

Further, the instrument control panel set also includes a heat sink disposed between the circuit board and the back plate.

Further, the instrument control panel group also comprises a wiring board, wherein the wiring board is fixedly connected with the circuit board and the back board, and the wiring board is positioned at the same side edge of the circuit board and the back board.

Further, the instrument control board group is slidably mounted on the machine cabinet along a second linear direction, and the first linear direction and the second linear direction are arranged in parallel.

Further, the rack is provided with and is used for the installation appearance accuse board group just has an open-ended cavity, the cavity internal fixation of rack is provided with the slide rail, the slide rail is followed second rectilinear direction extends and one end is located the cavity opening part of rack, appearance accuse board group follows second rectilinear direction slides and sets up on the slide rail.

Further, a strip-shaped sliding groove is formed in the surface of the sliding rail along the second linear direction, and the edge of the instrument control board group is in sliding fit with the strip-shaped sliding groove of the sliding rail.

Furthermore, a first cross beam is fixedly arranged at an opening of a cavity of the cabinet, a second cross beam is fixedly arranged in the cavity of the cabinet, and the first cross beam and the second cross beam are parallel to each other; the slide rail is provided with a plurality of and parallel to each other, the one end of slide rail with first crossbeam can be dismantled and be connected, the other end with the connection can be dismantled to the second crossbeam.

The utility model has the advantages that the instrument control board set is provided with the first stopping part and the first pulling-assisting strip is slidably mounted, so that the structure is simple, and the hand of a human body can more conveniently detach the instrument control board set from the cabinet; after the instrument control panel group is installed, the pulling-assisting strip can be retracted into the cabinet in a sliding mode, only a small part of the end part of the pulling-assisting strip is exposed, the appearance of the cabinet is slightly affected, and the operation of wiring and a knob on the cabinet is not affected.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a cabinet in an embodiment of the present invention;

fig. 2 is a schematic structural view of an instrument control board set in an embodiment of the present invention;

fig. 3 is an assembly schematic diagram of an instrument control panel set according to an embodiment of the present invention.

Wherein, each mark in the figure is:

1. a cabinet; 11. a cavity; 12. a slide rail; 13. a first cross member; 14. a second cross member; 2. an instrument control panel set; 21. pulling the strips assisted; 211. a protrusion; 212. pulling the block; 22. a first stopper portion; 23. a second stopper portion; 24. a circuit board; 25. a back plate; 26. a heat sink; 27. a wiring board; 28. a limiting rod; 281. a first end; 282. a second end; 29. a third stopper portion.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

As shown in fig. 1 to 3, the present embodiment provides an installation structure of an instrument control panel group of a nuclear power plant, including a cabinet 1 and an instrument control panel group 2, where the instrument control panel group 2 is slidably installed on the cabinet 1. The instrument control panel group 2 is provided with a pulling assisting strip 21 in a sliding mode along a first straight line direction, a first stopping portion 22 is fixedly arranged on the instrument control panel group 2, and a protrusion 211 which is mutually abutted and matched with the first stopping portion 22 of the instrument control panel group 2 is arranged on the pulling assisting strip 21.

After the instrument control board group 2 is installed on the cabinet 1, the pulling-assistant bar 21 can slide into the cabinet 1 along the first linear direction, so that the pulling-assistant bar 21 is hidden in the cabinet 1 (only a small part of the end part of the pulling-assistant bar is exposed). When the instrument control panel group 2 needs to be detached from the cabinet 1, since a small part of the end part of the pulling-assistant strip 21 is exposed outside the cabinet 1, the pulling-assistant strip 21 can be pulled by hand along the first linear direction, so that the pulling-assistant strip 21 slides until the protrusion 211 of the pulling-assistant strip is abutted against the first stop part 22 on the instrument control panel group 2, and at the moment, the pulling-assistant strip 21 slides out of the cabinet 1 for a distance relative to the instrument control panel group 2; when the assistant pulling bar 21 is pulled further, the instrument panel group 2 can be pulled out from the cabinet 1 by the assistant pulling bar 21 under the abutting action of the protrusion 211 and the first stopper 22. The first stopping portion 22 is arranged on the instrument control board group 2, and the first pulling-assisting strip 21 is installed in a sliding mode, so that the structure is simple, and the instrument control board group 2 can be detached from the cabinet 1 more conveniently by the hand of a human body; after the instrument control panel group 2 is installed, the pulling-assistant strip 21 can be retracted into the cabinet 1 in a sliding manner (only a small part of the end part of the pulling-assistant strip is exposed), so that the influence on the appearance of the cabinet 1 is small, and the operation of wiring and knobs on the cabinet 1 is not influenced.

Further, one end of the pulling-assistant bar 21 is fixedly provided with a pulling block 212, the instrument control panel group 2 is also fixedly provided with a second stopping portion 23, and the pulling block 212 of the pulling-assistant bar 21 and the second stopping portion 23 of the instrument control panel group 2 are mutually abutted and matched. After the instrument control board group 2 is installed on the cabinet 1, the pulling-assistant strips 21 can slide into the cabinet 1 along a first linear direction, so that the pulling-assistant strips 21 are hidden in the cabinet 1, and only the pulling blocks 212 at the end parts of the pulling-assistant strips 21 are exposed; when the pulling-assistant strip 21 slides into the cabinet 1 along the first linear direction until the pulling block 212 of the pulling-assistant strip and the second stopping portion 23 of the instrument control panel group 2 abut against each other, the pulling block 212 is just exposed out of the cabinet 1, and the pulling-assistant strip 21 cannot slide into the cabinet 1 along the first linear direction. By arranging the pulling block 212 at the end of the pulling-assistant bar 21 and arranging the second stopping portion 23 on the instrument control panel group 2, the pulling-assistant bar 21 can be prevented from being pulled out of the cabinet 1 when the pulling-assistant bar 21 completely slides into the cabinet 1 and the instrument control panel group 2 is inconvenient to detach; meanwhile, the first stopping portion 22 and the protrusion 211 are in abutting fit to prevent the assistant pulling strip 21 from sliding out of the cabinet 1, and the second stopping portion 23 and the pulling block 212 are in abutting fit to prevent the assistant pulling strip 21 from sliding into the cabinet 1 completely, so as to limit the sliding stroke of the assistant pulling strip 21 along the first linear direction.

Furthermore, the surface of the pulling block 212 is provided with a plurality of anti-slip grooves, so that the hands of a human body are prevented from sliding when the pulling-assisted strips 21 are pulled by the pulling block 212, and the use is more convenient.

Specifically, the instrument control panel group 2 structurally includes a circuit board 24 and a back plate 25 fixedly connected to each other, the assistant pulling bar 21 is slidably mounted on the back plate 25, and the first blocking portion 22 and the second blocking portion 23 are both disposed on the back plate 25. Because the assistant pulling strip 21 is installed on the back plate 25, and the first stopping portion 22 and the second stopping portion 23 are arranged on the back plate 25, the circuit board 24 can be installed on the cabinet 1 by pulling the assistant pulling strip 21 and the back plate 25, excessive changes on the structure of the circuit board 24 are not needed, the manufacturing cost can be reduced, and the structure of the instrument control board group 2 can be suitable for circuit boards 24 of different specifications.

Further, the instrument control board group 2 structurally further includes a heat sink 26, and the heat sink 26 is installed between the circuit board 24 and the back plate 25, and can use the existing heat dissipation silicone sheet and the like to improve the heat dissipation effect of the instrument control board group 2.

Further, the instrument control board group 2 structurally further includes a terminal block 27, the terminal block 27 is fixedly connected to the circuit board 24 and the back plate 25, respectively, and the terminal block 27 is located at the same side edge of the circuit board 24 and the back plate 25. The terminal block 27 is provided with jacks (not shown) for plugging electrical wires, and slots (not shown) for mounting knobs, to facilitate wiring and knob mounting of the instrument panel set 2.

In the present embodiment, the instrument control panel group 2 is slidably mounted on the cabinet 1 along a second linear direction, and the smaller the included angle between the first linear direction and the second linear direction, the better. Preferably, the first linear direction and the second linear direction are parallel to each other, that is, an included angle between the first linear direction and the second linear direction is 0; at this time, when the instrument control panel group 2 is detached, the pulling-assistant strip 21 is pulled outward from the cabinet 1 along the first linear direction until the protrusion 211 abuts against the first stopper 22, so that the pulling-assistant strip 21 slides out of the cabinet 1 for a distance relative to the instrument control panel group 2, and then the pulling-assistant strip 21 is pulled outward from the cabinet 1 along the second linear direction, so that the instrument control panel group 2 can be pulled out from the cavity 11 of the cabinet 1. When the pulling-assistant strips 21 are pulled for the first section along the first straight line direction, the instrument control panel group 2 is still, and the pulling-assistant strips 21 can only be pulled out of the cabinet 1 for a certain distance; when the pulling-assistant strip 21 performs the second-stage pulling along the second linear direction, the instrument control panel group 2 can be pulled out of the cabinet 1 by the mutual abutting of the protrusion 211 and the first stopper 22. Because the first straight line direction is parallel to the second straight line direction, the force bearing directions of the pulling-assisted strips 21 during the pulling of the first section and the pulling of the second section are the same, and the force generated when the pulling-assisted strips 21 are pulled by hands is more convenient and easier.

Specifically, the cabinet 1 is provided with a cavity 11 which is used for installing the instrument control panel group 2 and has an opening, a slide rail 12 which is used for bearing the instrument control panel group 2 is fixedly arranged in the cavity 11 of the cabinet 1, the slide rail 12 extends along a second linear direction, one end of the slide rail is located at the opening of the cavity 11 of the cabinet 1, and the instrument control panel group 2 is arranged on the slide rail 12 in a sliding manner along the second linear direction. By arranging the slide rail 12 in the cavity 11 of the cabinet 1, the instrument control board group 2 can slide more smoothly when being assembled and disassembled on the cabinet 1.

Further, a strip-shaped sliding groove is formed in the surface of the sliding rail 12 along the second linear direction, and the edge of the instrument control board group 2 is in sliding fit with the strip-shaped sliding groove of the sliding rail 12. After the edge of the instrument control board group 2 slides into the strip-shaped sliding groove of the sliding rail 12, the strip-shaped sliding groove can play a role in positioning the edge of the instrument control board group 2, so that the instrument control board group 2 is stable in structure and is not easy to fall down.

In this embodiment, a plurality of slide rails 12 are disposed in the same cavity 11 on the cabinet 1, and the plurality of slide rails 12 are disposed in parallel to each other, so as to install a plurality of instrument control panel groups 2 with different functions. Moreover, as the plurality of sliding rails 12 are parallel to each other, the plurality of instrument control panel groups 2 are in an upright state and are arranged side by side on the cabinet 1 after being installed, and the two adjacent instrument control panel groups 2 are supported by the wiring board 27, so that the upright instrument control panel groups 2 are further prevented from falling down.

Further, a first beam 13 is fixedly arranged at an opening of the cavity 11 of the cabinet 1, a second beam 14 is fixedly arranged inside the cavity 11 of the cabinet 1, the first beam 13 and the second beam 14 are parallel to each other, and the plurality of slide rails 12 are respectively detachably mounted between the first beam 13 and the second beam 14 (one ends of the slide rails 12 are detachably connected with the first beam 13, and the other ends of the slide rails 12 are detachably connected with the second beam 14). Through adjust the distance between two adjacent slide rails 12 on first crossbeam 13 and second crossbeam 14, can be suitable for the appearance accuse board group 2 of different thickness according to actual need, it is more convenient to use.

Further, a limiting rod 28 is rotatably mounted on the instrument control panel group 2, the limiting rod 28 has a first end 281 and a second end 282 which are oppositely arranged, the distance between the gravity center of the first end 281 of the limiting rod 28 and the rotating shaft of the limiting rod 28 is set as L1, and the distance between the gravity center of the second end 282 of the limiting rod 28 and the rotating shaft of the limiting rod 28 is set as L2, wherein L1 is greater than L2. The instrument control panel group 2 is provided with a third stopper portion 29, and a first end 281 of the stopper rod 28 is in abutting engagement with the first beam 13, and a second end 282 of the stopper rod 28 is in abutting engagement with the third stopper portion 29 of the instrument control panel group 2.

During installation, the instrument control board group 2 is in a vertical state, the limiting rod 28 is shifted and supported to be in a horizontal state, and then the instrument control board group 2 is inserted into the cavity 11 of the cabinet 1; after the insertion, the stopper rod 28 is released, and according to the lever principle, since L1 is larger than L2, the first end 281 of the stopper rod 28 rotates downward, the second end 282 rotates upward, and the stopper rod 28 is in the stationary state when the second end 282 rotates upward to abut against the third stopper 29 of the instrument panel group 2. At this time, since the first end 281 of the limiting rod 28 rotates downward by a certain angle, when the instrument control board group 2 is drawn out of the cavity 11 of the cabinet 1 under the action of an external force, the first beam 13 will abut against the first end 281 of the limiting rod 28, which can prevent the instrument control board group 2 from being drawn out of the cavity 11 of the cabinet 1. When the instrument control board group 2 needs to be detached, the limiting rod 28 can be shifted and supported to be in a horizontal state, so that the instrument control board group 2 cannot be blocked by the first cross beam 13 when being drawn out of the cavity 11 of the cabinet 1. Through rotating installation gag lever post 28 and setting up third backstop portion 29 on instrument control panel group 2, can make instrument control panel group 2 install can not be taken out outside the cavity 11 of rack 1 after the cavity 11 of rack 1, need not to reuse other dismouting connection structure (like screw, nut etc.), simple structure, easy dismounting fixes effectually moreover.

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. Installation structure of nuclear power station instrument board group, its characterized in that includes rack and slidable mounting instrument board group on the rack, the last first linear direction slidable mounting of edge of instrument board group helps pulling out the strip, be provided with first backstop portion on the instrument board group, help pulling out be provided with on the strip with the first backstop portion butt complex arch of instrument board group.

2. The installation structure of the instrument control panel group of the nuclear power plant as claimed in claim 1, wherein one end of the pulling-assistant strip is provided with a pulling block, a second stopping portion is arranged on the instrument control panel group, and the pulling block is in abutting fit with the second stopping portion of the instrument control panel group.

3. The instrumentation control plate group installation structure of a nuclear power plant according to claim 2, wherein a surface of said pulling block has a slip-proof groove.

4. The nuclear power plant instrument control panel assembly mounting structure of claim 2, wherein the instrument control panel assembly includes a circuit board and a back plate fixedly connected to each other, the pullout bar is slidably mounted on the back plate, and the first stopper portion and the second stopper portion are both provided on the back plate.

5. The nuclear power plant instrument control panel set mounting structure of claim 4, further comprising a heat sink disposed between the circuit board and the back plate.

6. The nuclear power plant instrument control panel set mounting structure of claim 4, further comprising a terminal block fixedly connected to the circuit board and the back plate, the terminal block being located at a same side edge of the circuit board and the back plate.

7. The mounting structure of the instrument control panel group for the nuclear power plant as recited in claim 1, wherein the instrument control panel group is slidably mounted on the rack in a second linear direction, and the first linear direction and the second linear direction are arranged in parallel with each other.

8. The installation structure of the instrument control panel group in the nuclear power plant as recited in claim 7, wherein the cabinet is provided with a cavity having an opening for installing the instrument control panel group, a slide rail is fixedly disposed in the cavity of the cabinet, the slide rail extends along the second linear direction, one end of the slide rail is located at the opening of the cavity of the cabinet, and the instrument control panel group is slidably disposed on the slide rail along the second linear direction.

9. The installation structure of the instrument control board group in the nuclear power plant as claimed in claim 8, wherein a strip-shaped sliding groove is formed in the surface of the sliding rail along the second linear direction, and the edge of the instrument control board group is in sliding fit with the strip-shaped sliding groove of the sliding rail.

10. The installation structure of the instrument control panel group of the nuclear power plant as recited in claim 8, wherein a first beam is fixedly disposed at the opening of the cavity of the cabinet, a second beam is fixedly disposed inside the cavity of the cabinet, and the first beam and the second beam are parallel to each other; the slide rail is provided with a plurality of and parallel to each other, the one end of slide rail with first crossbeam can be dismantled and be connected, the other end with the connection can be dismantled to the second crossbeam.

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