CN216718646U

CN216718646U - Microcomputer small current grounding line selection device

Info

Publication number: CN216718646U
Application number: CN202122307664.0U
Authority: CN
Inventors: 周京魁; 崔双进
Original assignee: Beijing Yitaike Power Technology Co ltd
Current assignee: Beijing Yitaike Power Technology Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-06-10
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a microcomputer low-current grounding wire selection device, which comprises a case, a display screen, a wire selection mechanism and an analysis processor, wherein the wire selection mechanism and the analysis processor are arranged in the case, the wire selection mechanism is connected with an analysis processor through a wire, and a plurality of wire connection terminals are arranged on one side wall of the wire selection mechanism. The case cover can be fixed.

Description

Microcomputer small current grounding line selection device

Technical Field

The utility model relates to the technical field of microcomputer line selection, in particular to a microcomputer low-current grounding line selection device.

Background

The small current line selection is fully called small current grounding line selection device, short for small current, is a protection device used in the power industry, is suitable for single-phase grounding line selection of a 3 KV-66 KV neutral point ungrounded or neutral point grounding system through a resistor and an arc suppression coil, is used for power supply systems of transformer substations, power plants and hydropower stations of power systems and large-scale industrial and mining enterprises of chemical industry, oil extraction, metallurgy, coal, railway and the like, and can indicate lines with single-phase grounding faults.

However, in most of the existing small-current grounding microcomputer wire selection devices, due to different sizes of wires at the wiring port, the wires are not easy to fix and fall off, and the wire selection devices are not easy to disassemble and assemble during maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, a microcomputer low-current grounding line selection device is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

little electric current ground connection route selection device of computer, including quick-witted case, display screen, analysis processor binding post and route selection mechanism, quick-witted incasement portion installs route selection mechanism and analysis processor, route selection mechanism passes through wire and analysis processor line connection, just a route selection mechanism lateral wall is provided with a plurality of montage binding post, a plurality of groups binding post one side sets up the snap ring, a plurality of groups spout have been seted up to quick-witted case rear end face, and sliding connection has the snap ring in the spout seted up, the terminal surface welding has the arm-tie before the snap ring, just snap ring lateral wall passes through second spring rigid coupling in spout lateral wall, both ends pass through welded slider sliding connection in quick-witted incasement wall about the snap ring.

As a further description of the above technical solution:

the utility model discloses a quick-witted case, including quick-witted case top, hinged end lateral wall, dead lever outer end fixed mounting, dead lever outer end cover, first spring both ends rigid coupling respectively in slide and installation cavity lateral wall, the case lid is kept away from the hinged end lateral wall and has been seted up the spacing groove, and it has the dead lever to peg graft in the spacing groove seted up, dead lever one end runs through quick-witted case lateral wall and installs the handle, has seted up the slip chamber in the quick-witted case lateral wall that runs through, and the dead lever outer end fixed mounting in the slip chamber of seting up has the slide, just the dead lever outer end cover is equipped with first spring, first spring both ends rigid coupling respectively in slide and installation cavity lateral wall.

As a further description of the above technical solution:

and a driving motor is arranged on the side wall of the case between the line selection mechanism and the analysis processor, and the output end of the driving motor is fixedly connected with the center of the cooling fan through a coupler.

As a further description of the above technical solution:

the front end face of the case is provided with a display screen, the display screen is connected with the analysis processor through a circuit, and the front end face of the case is provided with a plurality of groups of heat dissipation holes.

As a further description of the above technical solution:

the lifting handle is installed at the center of the top surface of the case cover, and the bases are installed at four corners of the bottom surface of the case.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the wire to be tested can be fixed by arranging the snap rings at the outer ends of the wiring terminals, the two groups of snap rings can be driven to move by pulling the pulling plate, the wire is inserted at the moment, the two groups of snap rings are driven to move oppositely by the elasticity of the second spring so as to fix the wire, the transverse sliding of the sliding block in the sliding groove can avoid the fixation instability caused by the snap ring separating from the sliding groove in the sliding process, the fixed rod can be driven to be separated from the limit groove by pulling the handle, the box cover can be opened by pulling the handle at the moment, the interior of the case is convenient to overhaul, the arranged first spring drives the fixed rod to be inserted into the limit groove by utilizing the elasticity under the condition of not pulling the handle, the case cover can be fixed, the driving motor arranged rotates to drive the connected cooling fan to rotate, and the rotating cooling fan can discharge hot air in the case from the cooling holes so as to cool the inside of the case.

Drawings

FIG. 1 is a schematic diagram illustrating a cross-sectional side view of a low current grounding line selector of a microcomputer according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating an elevational structure of a microcomputer low-current grounding line selection device according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a rear view of a low current grounding line selection device of a microcomputer according to an embodiment of the present invention;

fig. 4 is an enlarged schematic diagram of the structure a in fig. 3 according to an embodiment of the present invention.

Illustration of the drawings:

1. a chassis; 2. a base; 3. a display screen; 4. an analysis processor; 5. a heat-dissipating fan; 6. a drive motor; 7. a wire selecting mechanism; 8. a wiring terminal; 9. a box cover; 10. a handle; 11. a snap ring; 12. fixing the rod; 13. a first spring; 14. a slide plate; 15. a handle; 16. pulling a plate; 17. a second spring; 18. a slide block.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

specifically, as shown in fig. 1-4, the microcomputer low current grounding line selection device comprises a case 1, a display screen 3, a wiring terminal 8 of an analysis processor 4 and a line selection mechanism 7, wherein the line selection mechanism 7 and the analysis processor 4 are installed inside the case 1, the line selection mechanism 7 is in line connection with the analysis processor 4 through a conducting wire, a plurality of wiring terminals 8 are arranged on one side wall of the line selection mechanism 7, a snap ring 11 is arranged on one side of the wiring terminals 8, a plurality of sets of sliding grooves are formed in the rear end face of the case 1, the snap ring 11 is slidably connected in the sliding grooves, a pull plate 16 is welded on the front end face of the snap ring 11, one side wall of the snap ring 11 is fixedly connected to the side wall of the sliding groove through a second spring 17, the upper end and the lower end of the snap ring 11 are slidably connected to the inner wall of the case 1 through a welded sliding block 18, and are in circuit connection with an external electric wire through the wiring terminal 8, so as to guide data of a line to be selected into the line selection mechanism 7, finally show data in display screen 3 under analysis processor 4's processing, can fix the wire that awaits measuring through set up snap ring 11 in binding post 8 outer end, can drive two sets of snap rings 11 through pulling arm-tie 16 and remove, insert the wire this moment, the elasticity of rethread second spring 17 drives two sets of snap rings 11 and removes in opposite directions to fix the wire, avoid snap ring 11 to break away from the spout at gliding in-process through the lateral sliding of slider 18 in the spout and lead to fixed shakiness.

Specifically, as shown in fig. 1, a case cover 9 is hinged to a top side wall of a case 1, a limit groove is formed in the case cover 9 far away from a hinged end side wall, a fixing rod 12 is inserted in the limit groove, one end of the fixing rod 12 penetrates through one side wall of the case 1 and is provided with a handle 15, a sliding cavity is formed in the side wall of the case 1, a sliding plate 14 is fixedly installed at the outer end of the fixing rod 12 in the sliding cavity, a first spring 13 is sleeved at the outer end of the fixing rod 12, two ends of the first spring 13 are fixedly connected to the sliding plate 14 and the side wall of the mounting cavity respectively, the fixing rod 12 can be driven to be separated from the limit groove through the pulling handle 15, the case cover 9 can be opened by the pulling handle 10 at the moment, the inside of the case 1 can be conveniently overhauled, the set first spring 13 drives the fixing rod 12 to be inserted in the limit groove through elasticity under the condition that the handle 15 is not pulled, and the case cover 9 can be fixed.

Specifically, as shown in fig. 1, a driving motor 6 is installed on the side wall of the case 1 between the line selection mechanism 7 and the analysis processor 4, an output end of the driving motor 6 is fixedly connected with the center of the cooling fan 5 through a coupler, the driving motor 6 is arranged to rotate to drive the connected cooling fan 5 to rotate, and the rotating cooling fan 5 can discharge hot air inside the case 1 from the cooling holes to cool the inside of the case 1.

Specifically, as shown in fig. 2, the front end face of the case 1 is provided with a display screen 3, the display screen 3 is connected with the analysis processor 4 through a circuit, the front end face of the case 1 is provided with a plurality of groups of heat dissipation holes, and data of the electric wire can be observed conveniently through the arranged display screen 3.

Specifically, as shown in fig. 2, a handle 10 is installed at the center of the top surface of the case cover 9, bases 2 are installed at four corners of the bottom surface of the case 1, and the case 1 is supported and protected from moisture by the bases 2 installed at the bottom of the case 1.

The working principle is as follows: when the device is used, the device is in circuit connection with an external electric wire through the arranged wiring terminal 8 so as to lead data of a line to be selected into the line selection mechanism 7, finally, the data is displayed in the display screen 3 under the processing of the analysis processor 4, the lead to be detected can be fixed by arranging the clamp ring 11 at the outer end of the wiring terminal 8, two groups of clamp rings 11 can be driven to move by pulling the pull plate 16, the lead is inserted at the moment, two groups of clamp rings 11 are driven to move oppositely by the elastic force of the second spring 17 so as to fix the lead, the transverse sliding of the slide block 18 in the slide groove avoids the situation that the clamp ring 11 is separated from the slide groove in the sliding process to cause unstable fixation, the fixed rod 12 can be driven to be separated from the limit groove by pulling the handle 15, the box cover 9 can be opened by pulling the handle 10 at the moment, the internal maintenance of the case 1 is convenient, the arranged first spring 13 drives the fixed rod 12 to be inserted into the limit groove by the elastic force without pulling the handle 15, the case cover 9 can be fixed, the driving motor 6 arranged rotates to drive the connected heat dissipation fan 5 to rotate, and the rotating heat dissipation fan 5 can discharge hot air inside the case 1 from the heat dissipation holes so as to dissipate heat inside the case 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The microcomputer low-current grounding line selection device comprises a case (1), a display screen (3), an analysis processor (4), a wiring terminal (8) and a line selection mechanism (7), it is characterized in that a line selection mechanism (7) and an analysis processor (4) are arranged in the case (1), the line selection mechanism (7) is connected with the analysis processor (4) through a wire, and a plurality of groups of wiring terminals (8) are arranged on one side wall of the wire selecting mechanism (7), a snap ring (11) is arranged on one side of the plurality of groups of wiring terminals (8), a plurality of groups of sliding grooves are arranged on the rear end surface of the case (1), a snap ring (11) is connected in the sliding grooves in a sliding manner, a pull plate (16) is welded on the front end surface of the snap ring (11), and one side wall of the snap ring (11) is fixedly connected with the side wall of the sliding chute through a second spring (17), the upper end and the lower end of the snap ring (11) are connected to the inner wall of the case (1) in a sliding mode through welded sliding blocks (18).

2. The microcomputer low-current grounding wire selection device according to claim 1, wherein a case cover (9) is hinged to a top side wall of the case (1), a limiting groove is formed in a side wall of the case cover (9) far away from the hinged end, a fixing rod (12) is inserted in the limiting groove, one end of the fixing rod (12) penetrates through one side wall of the case (1) and is provided with a handle (15), a sliding cavity is formed in the side wall of the case (1) which penetrates through, a sliding plate (14) is fixedly mounted at an outer end of the fixing rod (12) in the sliding cavity, a first spring (13) is sleeved at an outer end of the fixing rod (12), and two ends of the first spring (13) are fixedly connected to the sliding plate (14) and a side wall of the mounting cavity respectively.

3. The microcomputer low-current grounding line selection device according to claim 1, wherein a driving motor (6) is installed on the side wall of the case (1) between the line selection mechanism (7) and the analysis processor (4), and the output end of the driving motor (6) is fixedly connected with the center of the cooling fan (5) through a coupler.

4. The microcomputer low-current grounding line selection device according to claim 1, wherein a display screen (3) is arranged on the front end face of the case (1), the display screen (3) is connected with the analysis processor (4) through a circuit, and a plurality of groups of heat dissipation holes are formed in the front end face of the case (1).

5. The microcomputer low-current grounding line selection device according to claim 2, wherein a handle (10) is installed at the center of the top surface of the case cover (9), and bases (2) are installed at four corners of the bottom surface of the case (1).