CN115103536A

CN115103536A - Novel modular measurement and control device

Info

Publication number: CN115103536A
Application number: CN202210804601.2A
Authority: CN
Inventors: 单保卫; 吕海龙
Original assignee: Beijing Huasheng Zhongneng Technology Co ltd
Current assignee: Beijing Huasheng Zhongneng Technology Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-23

Abstract

The invention discloses a modularized novel measurement and control device, which comprises a main module and a functional module, wherein the main module comprises a first shell with at least one opening and a cavity positioned in the first shell, a plurality of first connecting parts are arranged in the cavity, the functional module comprises a second shell internally provided with a functional circuit board, a second connecting part detachably connected with the first connecting part is arranged on the second shell, the first shell and at least two second shells are connected through the first connecting parts and the second connecting parts to form a shell of the measurement and control device, a main functional circuit board electrically connected with the functional circuit board is further arranged on the inner wall of the cavity, the complete measurement and control device is formed by splicing a plurality of functional modules and one main module, when one functional circuit board fails, the corresponding functional module can be replaced, compared with the condition that the corresponding functional circuit board is replaced after the whole measurement and control device is disassembled, the debugging time is greatly saved.

Description

Novel modular measurement and control device

Technical Field

The invention relates to the technical field of line protection, in particular to a novel modularized measurement and control device.

Background

The measurement and control device is a complete set of line protection device which takes current, voltage protection and three-phase reclosing as basic configuration, is suitable for directional line protection and measurement and control in an indirect grounding system or a resistance grounding system with the voltage grade of 35kV or below, can be installed in place in a switch cabinet, and can also be installed in a control room in a group screen mode. The measurement and control device has the functions of remote signaling, remote control, remote measurement and remote regulation, and can upload data information of the protection device in the switch cabinet and control the device to act. The prior measurement and control device, such as the utility model patent with application number of CN201320014875.8, comprises a panel, a frame and a back plate, wherein the panel and the back plate are respectively connected with two ends of the frame, a plurality of strip-shaped grooves are arranged in the frame, a circuit board is clamped in the strip-shaped grooves, and because the circuit board is directly clamped in the strip-shaped grooves, the circuit board is independently taken down to cause electric shock risk in the process of debugging the measurement and control device, so that the whole measurement and control device is required to be completely disassembled when the circuit board fails in the debugging process, and the whole measurement and control device is reset and debugged after a new measurement and control device is installed, thus the whole process is time-consuming and labor-consuming;

as another patent of the utility model with application number CN 201620044815.4, the device includes a box body and a plug-in board, the plug-in board is provided with a plurality of fixing members for fixing the circuit board, and the plug-in board is fixed in the box body through a mounting groove and a fastener;

in summary, the existing measurement and control devices have the problems that the circuit board is not easy to be changed independently in the debugging process, and then the problems of complex debugging process, time waste and labor waste are caused.

Disclosure of Invention

The invention aims to provide a novel modularized measurement and control device aiming at the defects and shortcomings in the prior art, a complete measurement and control device is formed by mutually splicing a plurality of functional modules and a main module, when one functional module breaks down, the corresponding functional module is replaced, and compared with the condition that the corresponding functional circuit board needs to be replaced after the whole measurement and control device is detached, the novel modularized measurement and control device greatly saves debugging time and improves production efficiency.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides a modularized novel measurement and control device, which comprises a main module and a functional module, wherein the main module comprises a first shell with at least one opening and a cavity positioned in the first shell, a plurality of first connecting parts are arranged in the cavity, the functional module comprises a second shell with a functional circuit board arranged therein, a second connecting part detachably connected with the first connecting parts is arranged on the second shell, the first shell and at least two second shells are connected through the first connecting parts and the second connecting parts to form a shell of the measurement and control device, and a main functional circuit board electrically connected with the functional circuit board is further arranged on the inner wall of the cavity;

preferably, the first connecting portion includes a hook located on the upper end surface of the first housing and a first sliding groove located on the lower end surface of the first housing, the second connecting portion includes a first boss located on the upper surface of the second housing and a first sliding block located on the lower surface of the second housing, the hook is connected with the first boss in a clamping manner, and the first sliding groove is connected with the first sliding block in a sliding manner;

preferably, the first shell comprises an upper end face, a front end face and a lower end face, the length of the upper end face is smaller than that of the lower end face, the second shell is of a cuboid structure, the length of the second shell is equal to that of the lower end face, and a third connecting structure convenient for installation of the measurement and control device is arranged on the upper surface of the second shell;

preferably, the second shell comprises a side surface A and a side surface B, the side surface A is provided with a fourth connecting part, the side surface B is provided with a fifth connecting part matched with the fourth connecting part, and two adjacent second shells are spliced into a whole through the fourth connecting part and the fifth connecting part;

preferably, the fourth connecting part is a second sliding groove, the fifth connecting part is a second sliding block with the same size and shape as the second sliding groove, and the second sliding block of the previous second shell is slidably assembled in the second sliding groove of the next second shell;

preferably, a first through hole which is through from front to back is formed in the second shell, a slide channel groove is formed in the first through hole, the width of the slide channel groove is matched with the thickness of the functional circuit board, and the functional circuit board is fixedly arranged in the slide channel groove;

preferably, the upper surface and the lower surface of the first through hole are respectively provided with a slide channel, and the functional circuit board is arranged in the upper slide channel and the lower slide channel in a sliding manner;

preferably, a second bump is arranged on one side edge of the slide way groove, an elastic body which is bent towards the slide way groove is arranged at the tail end of the second bump, a second through hole which is matched with the elastic body in size and shape is arranged on the functional circuit board, and the second through hole is sleeved on the elastic body;

preferably, an annular groove is formed in one end, away from the front end face, of the second shell, a rear cover is connected to the inside of the annular groove in a clamped mode, and an opening which is identical to the functional circuit board in shape and size is formed in the rear cover;

preferably, the first housing, the second housing and the rear cover are all made of plastic materials.

Compared with the prior art, the invention has the following technical effects:

1. according to the invention, a complete measurement and control device is formed by mutually splicing a plurality of functional modules and a main module, when a certain functional module breaks down, the corresponding functional module is replaced, and compared with the situation that the corresponding functional circuit board needs to be replaced after the whole measurement and control device is dismounted, the invention greatly saves the debugging time and improves the production efficiency;

2. according to the invention, the clamping hook is arranged on the upper end surface of the first shell, the first boss in clamping fit with the second shell is arranged on the upper surface of the second shell, the first sliding groove is arranged on the lower end surface of the first shell, and the first sliding block in sliding fit with the second shell is arranged on the lower surface of the second shell, so that the second shell is clamped and fixed on the first shell, the assembly position of the second shell in the first shell is limited, the assembly position of the second shell cannot generate large deviation, and the circuit of the testing device can be normally connected.

3. According to the invention, the side A and the side B of the second shell are respectively provided with the fourth connecting part and the fifth connecting part which are matched with each other, and two adjacent second shells are connected into a whole, so that the overall structural strength of the measurement and control device formed by splicing the first shell and the second shell is further improved, and the working reliability of the testing device is improved;

4. according to the invention, each function is modularly distinguished according to the functional circuit board and independently assembled in the main module, so that products of different types can be assembled only by splicing, the production is flexible, and the production efficiency is improved;

5. according to the invention, the first shell and the second shell which are made of plastic materials are adopted, so that the weight of the measurement and control device is reduced, the measurement and control device is more convenient and labor-saving to mount, dismount and transfer, the insulating property of the measurement and control device is enhanced, and the breakdown damage caused by overvoltage is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described 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 exercise.

FIG. 1 is a schematic diagram of a right-view structure of a measurement and control device;

FIG. 2 is a schematic sectional view A-A;

FIG. 3 is a right side view of the first housing;

FIG. 4 is a schematic axial side view of the first housing;

FIG. 5 is an enlarged schematic view of the structure at B;

FIG. 6 is a schematic axial side view of the second housing;

FIG. 7 is an enlarged view of the structure at C;

FIG. 8 is a schematic axial side view of the second housing in another direction;

FIG. 9 is an enlarged view of the structure at D;

FIG. 10 is a schematic view of a functional circuit board;

FIG. 11 is a schematic structural view of the rear cover;

FIG. 12 is a schematic axial side view of the side mount apparatus.

Wherein, 1, the main module; 11. a first housing; 111. an upper end surface; 112. a front end face; 113. a lower end face; 114. a hook is clamped; 115. a first chute; 12. a cavity; 13. a main function circuit board; 2. a functional module; 21. a functional circuit board; 22. a second housing; 221. an upper surface; 222. a first boss; 223. a lower surface; 224. a first slider; 225. a side surface A; 2251. a second chute; 226. a side surface B; 2261. a second slider; 227. a first through hole; 228. a chute; 229. a second bump; 2210. an elastomer; 211. a second through hole; 2211. an annular groove; 2212. a rear cover; 2213. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The invention aims to overcome the defects and shortcomings in the prior art, and provides a modular novel measurement and control device.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1 to 12, the present invention provides a modular novel measurement and control device, which comprises a main module 1 and a plurality of functional modules 2, wherein the main module 1 comprises a first housing 11 with at least one open side and a cavity 12 located in the first housing 11, the cavity 12 is internally provided with a plurality of first connecting parts, the functional modules 2 comprise a second housing 22 internally provided with a functional circuit board 21, the second housing 22 is provided with a second connecting part detachably connected with the first connecting part, the first housing 11 and at least two second housings 22 are connected through the first connecting part and the second connecting part to form a housing of the measurement and control device, the inner wall of the cavity 12 is further provided with a main functional circuit board 13 electrically connected with the functional circuit board 21, the modular assembly mode not only improves the production efficiency of the measurement and control device and improves the assembly flexibility, but also when one functional module 2 fails, the new functional module 2 can be detached, replaced and debugged independently without debugging the whole measurement and control device again, thereby greatly saving the test time and shortening the maintenance period.

The first housing 11 may be a structure with an opening on one side, or a structure with an opening on multiple sides, and in order to facilitate the assembly of the second housing 22, the first housing 11 of the present invention is preferably a structure with three openings, that is, the first housing 11 includes an upper end surface 111, a front end surface 112 and a lower end surface 113, the upper end surface 111, the front end surface 112 and the lower end surface 113 surround to form a cavity 12, the cavity 12 is a trapezoid structure with a short top and a long bottom, the second housing 22 is assembled in the cavity 12, the first connecting portion includes a hook 114 disposed on the upper end surface 111 of the first housing 11 and a first sliding slot 115 disposed on the lower end surface 113, the second connecting portion includes a first boss 222 disposed on the upper surface 221 of the second housing 22 and a first slider 224 disposed on the lower surface 223 of the second housing 22, the first boss 222 and the hook 114 are engaged with each other, the first slider 224 is slidably engaged with the first sliding slot 115, and the shape of the first slider 224 is the same as the shape of the first sliding slot 115, the cross-sectional dimension matches with the cross-sectional dimension of the first sliding groove 115, and further, the cross-sectional width of the first sliding block 224 is unilateral smaller than the cross-sectional width of the first sliding groove 115 by 0.5-1mm, so that the first sliding block 224 can slide in the first sliding groove 115 smoothly, and the position of the first sliding block 224 in the first sliding groove 115 cannot deviate greatly, thereby ensuring the accuracy of the assembly position of the second housing 22 and the first housing 11.

The length of the upper end face 111 is smaller than that of the lower end face 113, the second shell 22 is of a cuboid structure equal to the length of the lower end face 113, when the second shell 22 is assembled on the first shell 11, the upper surface 221 of the second shell 22 can protrude out of the upper end face 111 for a certain distance, a third connecting portion installed with an external switch cabinet or control room is arranged on the portion, protruding out of the upper end face 111, of the second shell 22, the measurement and control device is installed in the switch cabinet or control room through the third connecting portion, the third connecting portion can be a threaded hole, the measurement and control device is installed with the switch cabinet or control room through a bolt, the third connecting portion can also be a clamping groove, the measurement and control device is installed in a clamping mode with a convex block on the switch cabinet or control room through the clamping groove.

The second housing 22 includes a side a 225 and a side B226, the side a 225 is provided with a fourth connecting portion, the side B226 is provided with a fifth connecting portion, the fifth connecting portion is a second sliding groove 2251, the fifth connecting portion is a second slider 2261 having the same shape as the second sliding groove 2251 and the cross-sectional dimension matched with the second sliding groove 2251, when the second housings 22 are assembled, the second slider 2261 of the previous second housing 22 is slidably assembled in the second sliding groove 2251 of the next second housing 22, so that two adjacent second housings 22 are integrally assembled with each other, thereby further ensuring that the plurality of second housings 22 fixed to the first housing 11 in a clamping manner cannot be changed in position, improving the structural strength of the whole measurement and control device, and similarly, in order to ensure that the second slider 2261 can be smoothly inserted into the second sliding groove 2251 without great deviation in insertion position, preferably, the cross-sectional width of the second slider 2261 is less than the cross-sectional width of the second sliding slot 2251 by 0.5-1 mm.

A first through hole 227 which is through from front to back is formed in the second housing 22, a slide groove 228 is formed in the first through hole 227, similarly, in order to ensure that the functional circuit board 21 can be smoothly inserted into the first slide groove 228 without a large deviation of the insertion position, preferably, the cross-sectional width of the slide groove 228 is 0.5-1mm smaller than the thickness of one side of the functional circuit board 21, wherein one slide groove 228 is formed on each of the upper and lower surfaces of the first through hole 227, and the mounting stability of the functional circuit board 21 is improved by inserting each of the upper and lower ends of the functional circuit board 21 into the slide groove 228;

the second bump 229 is disposed on one side of the slide groove 228, the elastic body 2210 bent toward the slide groove 228 is disposed at the end of the second bump 229, the functional circuit board 21 is disposed with the second through hole 211 having the same shape as the elastic body 2210 and a cross-sectional dimension matching with the cross-sectional dimension of the elastic body 2210, the second through hole 211 is sleeved on the elastic body 2210 to fix the functional circuit board 21, so that the functional circuit board 21 and the main functional circuit board 13 are in good contact, and the operational reliability of the testing device is improved, and similarly, in order to ensure that the second through hole 211 can be smoothly inserted into the elastic body 2210, the cross-sectional length and the width of the second through hole 211 are preferably smaller than the cross-sectional length and the width of the elastic body 2210 by 0.5-1mm, respectively.

An annular groove 2211 is arranged at one end, away from the front end face 112, of the second shell 22, a rear cover 2212 is clamped in the annular groove 2211, an opening 2213 is formed in the rear cover 2212, the shape of the opening 2213 is the same as that of the functional circuit board 21, the size of the cross section is the same as that of the connecting position of the functional circuit board 21 and the outside, and by arranging the rear cover 2212, the functional circuit board 21 is further ensured not to fall off from the first through hole 227, and the functional circuit board 21 is electrically connected with other devices through the opening 2213; the first shell 11, the second shell 22 and the rear cover 2212 are all made of insulating plastic materials, and compared with the situation that a metal shell is adopted, the shell formed by the first shell 11, the second shell 22 and the rear cover 2212 has good insulating performance, the damage of the internal functional circuit board 21 caused by overvoltage breakdown can be avoided, the service life of the functional circuit board 21 is further prolonged, and the plastic shell is light in weight, so that the outdoor assembly, disassembly and transportation are more convenient and labor-saving.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claims.

Claims

1. A novel modular measurement and control device is characterized in that: including main module and functional module, the main module includes the first casing of at least one side open-ended and is located cavity in the first casing, be equipped with the first connecting portion of a plurality of in the cavity, the functional module is equipped with the second casing of functional circuit board in including, be equipped with on the second casing with the second connecting portion of connection can be dismantled to first connecting portion, first casing and at least two the second casing passes through first connecting portion with the casing that constitutes measurement and control device is connected to the second connecting portion, still be equipped with on the inner wall of cavity with the main function circuit board that functional circuit board electricity is connected.

2. The modular novel measurement and control device of claim 1, characterized in that: the first connecting portion comprises a clamping hook located on the upper end face of the first shell and a first sliding groove located on the lower end face of the first shell, the second connecting portion comprises a first boss located on the upper surface of the second shell and a first sliding block located on the lower surface of the second shell, the clamping hook is fixedly connected with the first boss in a clamping mode, and the first sliding groove is connected with the first sliding block in a sliding mode.

3. A modular novel measurement and control device according to claim 2, characterized in that: the utility model discloses a measuring and control device, including first casing, preceding terminal surface and lower terminal surface, the length of up end is less than down the length of terminal surface, the second casing be length with the cuboid structure that lower terminal surface length equals, the upper surface of second casing is equipped with the third connection structure of being convenient for install measuring and control device.

4. The modular novel measurement and control device of claim 3, characterized in that: the second casing includes side A and side B, the side A is equipped with the fourth connecting portion, the side B be equipped with fourth connecting portion matched with fifth connecting portion, two adjacent second casings pass through fourth connecting portion and the mutual concatenation of fifth connecting portion and constitute a whole.

5. The modular novel measurement and control device according to claim 4, characterized in that: the fourth connecting part is a second sliding groove, the fifth connecting part is a second sliding block with the size and the shape matched with the second sliding groove, and the second sliding block of the previous second shell is assembled in the second sliding groove of the next second shell in a sliding mode.

6. The modular novel measurement and control device of claim 5, characterized in that: the second casing is internally provided with a first through hole which is through from front to back, a slide channel groove is arranged in the first through hole, the width of the slide channel groove is matched with the thickness of the functional circuit board, and the functional circuit board is fixedly arranged in the slide channel groove.

7. The modular novel measurement and control device according to claim 6, characterized in that: the upper surface and the lower surface of the first through hole are respectively provided with a slide channel groove, and the functional circuit board is arranged in the upper slide channel groove and the lower slide channel groove in a sliding manner.

8. The modular novel measurement and control device according to claim 7, characterized in that: a second convex block is arranged on one side edge of the slide channel, an elastic body which is bent towards the direction of the slide channel is arranged at the tail end of the second convex block, a second through hole matched with the elastic body in size and shape is arranged on the functional circuit board, and the second through hole is sleeved on the elastic body.

9. The modular novel measurement and control device of claim 8, wherein: the one end that the second casing kept away from preceding terminal surface is equipped with the annular groove, the joint has the back lid in the annular groove, after cover set up shape, size all with functional circuit board assorted opening.

10. The modular novel measurement and control device of claim 9, characterized in that: the first shell, the second shell and the rear cover are all made of plastic materials.