CN219320386U

CN219320386U - Potential acquisition instrument

Info

Publication number: CN219320386U
Application number: CN202320324628.1U
Authority: CN
Inventors: 袁逸军; 文陈鼎; 冯少广; 肖炜; 潘伟滔; 张玉; 曹光贵
Original assignee: Foshan Gas High Pressure Pipe Network Co ltd; Guangdong Foran Technology Co ltd
Current assignee: Foshan Gas High Pressure Pipe Network Co ltd; Guangdong Foran Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-07-07
Anticipated expiration: 2033-02-27

Abstract

The utility model relates to the field of acquisition instruments, in particular to a potential acquisition instrument, which is characterized in that a supporting column with a clamping groove is arranged on a shell body to be matched with a first U-shaped clamping groove of a circuit board to clamp the circuit board, a supporting plate and a clamping rotating piece are arranged on an end cover to support the circuit board and the clamping circuit board, four threading holes are formed in the bottom of the end cover to enable a cable to pass through a plurality of ports for connecting the circuit board with a test, so that acquisition of potential data of the test circuit board is realized, and the circuit board is ensured not to fall in the acquisition process.

Description

Potential acquisition instrument

Technical Field

The utility model relates to the technical field of acquisition instruments, in particular to a potential acquisition instrument.

Background

The acquisition of the existing acquisition instrument is realized by connecting a circuit board with the acquisition instrument so as to measure potential data of the circuit board; however, when the existing acquisition instrument is used for measuring, the circuit board is often exposed in the external environment for a long time, the circuit board is likely to have ageing and other performance reduction conditions under the external environment, the measurement accuracy is affected, the test installation of the acquisition instrument and the circuit board is not firm enough, the risk that the circuit board is loose and falls from the acquisition instrument often occurs, the circuit board is damaged, and the test efficiency is affected.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a potential acquisition instrument, wherein a special structure is arranged on a shell body and an end cover to clamp a circuit board in the shell body, a plurality of threading holes are arranged to connect the circuit board with an external cable and a testing end, and the circuit board is not influenced by external environment and cannot fall off due to the protection of the shell and the end cover.

The electric potential acquisition instrument comprises a shell body and an end cover for covering one end of the shell body, wherein an opening is formed in one end of the shell body, and the other end of the shell body is closed;

four corners of the end face of the opening of the shell body are provided with first locking holes, two bilaterally symmetrical supporting columns with clamping grooves are arranged in an inner space near one end face of the shell body, the upper ends of the supporting columns with the clamping grooves are provided with second U-shaped clamping grooves corresponding to the first U-shaped clamping grooves of the circuit board in size, and the second U-shaped clamping grooves penetrate through the first U-shaped clamping grooves of the circuit board and are abutted against the circuit board;

the bottom surface of the end cover is provided with second locking holes corresponding to four corners of the first locking hole, and locking screws are in threaded connection with the first locking holes and the second locking holes;

the bottom surface of the end cover is provided with a first threading hole, a second threading hole, a third threading hole and a fourth threading hole;

the end cover is internally and fixedly provided with two bearing plates, two clamping and rotating pieces are arranged on the bearing plates, the circuit board is clamped and placed between the two clamping and rotating pieces, the bearing plates are further provided with positioning holes, and the positioning holes and the circuit board connecting holes are connected with the circuit board through screws in a threaded mode to fix the circuit board.

Further, four openings are formed in four corners of the end cover, and the second locking holes are formed in the openings.

Further, the end caps have a size larger than the left and right end surfaces of the housing body.

Further, the circuit board is connected with the acquisition end through a first cable, and the first cable penetrates through the first threading hole; the circuit board is connected with the power supply end through a second cable, and the second cable penetrates through the second threading hole; the circuit board is connected with the antenna end through a third cable, and the third cable penetrates through the third threading hole; the circuit board is connected with the GPS positioning end through a fourth cable, and the fourth cable penetrates through the fourth threading hole.

Further, the waterproof glue is arranged between the end cover and the shell body.

Further, the first threading hole and the second threading hole have the same size to adapt to the outer diameter sizes of the first cable and the second cable, the third threading hole and the fourth threading hole have the same size to adapt to the outer diameter sizes of the third cable and the fourth cable, and the sizes of the first threading hole and the second threading hole are larger than the sizes of the third threading hole and the fourth threading hole.

Compared with the prior art, the utility model has the advantages that: this potential acquisition instrument is through setting up the support column of taking the draw-in groove on the shell body to cooperate chucking circuit board with the first U type draw-in groove of circuit board, and be provided with bearing board and card on the end cover and change the piece, with bearing circuit board and chucking circuit board, and four through wires holes have been seted up in the end cover bottom, with the power cable pass with a plurality of port connections of circuit board and test, in order to realize the collection of test circuit board potential data, and ensure that the circuit board can not fall in collection process, solved the problem of exposing outside ageing.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a housing body according to the present utility model;

FIG. 2 is a right side view of the housing body of the present utility model;

FIG. 3 is a schematic view of the structure of the end cap portion of the present utility model;

the names of the components marked in the figures are as follows: 100. a housing body; 101. support columns with clamping grooves; 102. a first locking hole; 103. an opening; 200. an end cap; 201. a first threading hole; 202. a second threading hole; 203. a third threading hole; 204. a fourth threading hole; 205. a second locking hole; 206. a bearing plate; 207. a clamping and rotating piece; 208. and positioning holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings:

referring to fig. 1, 2 and 3, an electric potential collecting device includes a housing body 100 and an end cover 200 covering one end of the housing body 100, wherein one end of the housing body 100 is provided with an opening 103, the other end is closed, a circuit board enters an accommodating cavity inside the housing body 100 from the opening 103, and the end cover 200 is covered on the opening 103;

in the present embodiment, the housing body 100 is a rectangular parallelepiped.

Four corners of the outer wall of the shell body 100, which are close to the opening 103, are provided with first locking holes 102, two laterally symmetrical support columns 101 with clamping grooves are arranged in the shell body 100, which are far away from the opening, the upper ends of the support columns 101 with the clamping grooves are provided with second U-shaped clamping grooves corresponding to the first U-shaped clamping grooves of the circuit board in size, and the second U-shaped clamping grooves penetrate through the first U-shaped clamping grooves of the circuit board and are abutted against the circuit board so that the support columns 101 with the clamping grooves clamp the circuit board;

in this embodiment, the first U-shaped slot and the second U-shaped slot are both U-shaped, and in other embodiments, other shapes may be adopted, so long as the clamping of the circuit board by the support column 101 with the slot is achieved.

The bottom surface of the end cover 200 is provided with second locking holes 205 corresponding to the four corners of the first locking hole 102, and locking screws are screwed into the first locking holes 102 and the second locking holes 205 to lock the housing body 100 and the end cover 200;

in other embodiments, rivets or other forms of connecting the first locking hole 102 and the second locking hole 205 may be used to lock the housing body 100 and the end cap 200;

the bottom surface of the end cover 200 is provided with a first threading hole 201, a second threading hole 202, a third threading hole 203 and a fourth threading hole 204;

the end cover 200 is internally and fixedly provided with two support plates 206, clamping and rotating pieces 207 are arranged on the two support plates 206, a circuit board is clamped and placed between the two clamping and rotating pieces 207, the front end and the rear end of the circuit board are respectively provided with a first U-shaped clamping groove, the first U-shaped clamping grooves at the rear end are matched and clamped with the second U-shaped clamping grooves, the first U-shaped clamping grooves at the front end are clamped and connected with the clamping and rotating pieces, a connecting hole matched with the positioning hole is further formed in the circuit board, and the positioning hole 208 is further formed in the support plate 206 and connected with the circuit board through screw threads to fix the circuit board.

The purpose of the circuit board disposed between the two clamping members 207 is to clamp the circuit board to prevent the circuit board from turning over.

Further, four openings are formed at four corners of the end cap 200, and the second locking hole 205 is formed at the opening.

The four openings are uniform in size.

Further, the circuit board is connected with the acquisition end through a first cable, and the first cable penetrates through the first threading hole 201; the circuit board is connected with the power supply end through a second cable, and the second cable penetrates through the second threading hole 202; the circuit board is connected with the antenna end through a third cable, and the third cable penetrates through the third threading hole 203; the circuit board is connected with the GPS positioning end through a fourth cable, and the fourth cable penetrates through the fourth threading hole 204.

Further, a waterproof adhesive is further included, and the waterproof adhesive is disposed between the end cap 200 and the case body 100.

It should be noted that the waterproof glue is used to prevent water from entering the housing body 100 and the circuit board.

Further, the first and

second threading holes

201 and 202 have the same size to fit the outer diameter of the first and second cables, the third and

fourth threading holes

203 and 204 have the same size to fit the outer diameter of the third and fourth cables, and the first and

second threading holes

201 and 202 have a larger size than the third and

fourth threading holes

203 and 204.

The first and

second threading holes

201 and 202 are slightly larger than the outer diameters of the first and second cables, and the third and

fourth threading holes

203 and 204 are slightly larger than the outer diameters of the third and fourth cables.

In the course of the work, this potential acquisition instrument is through setting up on the shell body 100 and taking draw-in groove support column 101, with the first U type draw-in groove cooperation chucking circuit board of circuit board to be provided with bearing board 206 and card change piece 207 on the end cover, in order to bearing circuit board and chucking circuit board, and seted up four through wires holes in end cover 200 bottom, in order to supply the cable to pass a plurality of port connections with circuit board and test, in order to realize the collection of test circuit board potential data, and ensure that the circuit board can not fall at the acquisition in-process.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The potential acquisition instrument is characterized by comprising a shell body (100) and an end cover (200) for covering one end of the shell body (100), wherein an opening (103) is formed in one end of the shell body (100), and the other end of the shell body is closed;

four corners of the end face of the opening of the shell body (100) are provided with first locking holes (102), two bilaterally symmetrical supporting columns (101) with clamping grooves are arranged in an inner space near one end face of the shell body (100), the upper end of each supporting column (101) with the clamping groove is provided with a second U-shaped clamping groove corresponding to the first U-shaped clamping groove of the circuit board in size, and the second U-shaped clamping groove penetrates through the first U-shaped clamping groove of the circuit board and is abutted against the circuit board;

second locking holes (205) are formed in the bottom surface of the end cover (200) corresponding to the four corners of the first locking hole (102), and locking screws are in threaded connection with the first locking hole (102) and the second locking hole (205);

a first threading hole (201), a second threading hole (202), a third threading hole (203) and a fourth threading hole (204) are formed in the bottom surface of the end cover (200);

the end cover (200) is internally and fixedly provided with two bearing plates (206), two clamping and rotating pieces (207) are arranged on the bearing plates (206), the circuit board is clamped and placed between the two clamping and rotating pieces (207), the bearing plates (206) are further provided with positioning holes (208), and the positioning holes (208) and the circuit board connecting holes are connected through screws in a threaded mode to fix the circuit board.

2. The electric potential acquisition instrument according to claim 1, wherein four openings are formed in four corners of the end cover (200), and the second locking hole (205) is formed in the opening.

3. The electric potential acquisition instrument according to claim 1, wherein the end cap (200) has a size larger than the left and right end surfaces of the housing body (100).

4. The electric potential acquisition instrument according to claim 1, characterized in that the circuit board is connected to the acquisition end by a first cable, which runs through the first threading hole (201); the circuit board is connected with a power supply end through a second cable, and the second cable penetrates through the second threading hole (202); the circuit board is connected with the antenna end through a third cable, and the third cable penetrates through the third threading hole (203); the circuit board is connected with the GPS positioning end through a fourth cable, and the fourth cable penetrates through the fourth threading hole (204).

5. The electric potential collector of claim 1, further comprising a waterproof adhesive, the waterproof glue is arranged between the end cover (200) and the shell body (100).

6. The electric potential acquisition instrument according to claim 4, characterized in that the first threading hole (201) and the second threading hole (202) are the same in size to fit the outer diameter sizes of the first cable and the second cable, the third threading hole (203) is the same in size as the fourth threading hole (204) to fit the outer diameter sizes of the third cable and the fourth cable, and the sizes of the first threading hole (201) and the second threading hole (202) are larger than the sizes of the third threading hole (203) and the fourth threading hole (204).