CN218918732U

CN218918732U - Relay driving circuit with power-down protection for charging pile

Info

Publication number: CN218918732U
Application number: CN202221898982.7U
Authority: CN
Inventors: 杨涛
Original assignee: Suzhou Honeycomb Charging Technology Co ltd
Current assignee: Suzhou Honeycomb Charging Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-04-25
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a relay driving circuit with power-down protection for a charging pile, which relates to the field of relays and comprises a relay main body, wherein a shell is arranged on the outer side of the relay main body, an explosion-proof cover is arranged on the outer side of the shell, the bottom end of the explosion-proof cover is connected with a connecting seat, the bottom end of the connecting seat is provided with a base, the bottom end of the base is connected with a fixing seat, a terminal is arranged at the middle position of the bottom end of the fixing seat, inclined struts are connected to two sides of the terminal, a first sleeve is connected to one side of the explosion-proof cover, and a second sleeve is arranged in the first sleeve. According to the utility model, after the relay main body is installed, when maintenance is needed, the pull block can be pulled to separate the plug shaft from the clamping groove, then the relay main body can slide on one side of the back plate, and also the relay main body can be rotated on one side of the back plate, so that the position can be adjusted when maintenance is convenient, the operation is convenient, and the use is flexible.

Description

Relay driving circuit with power-down protection for charging pile

Technical Field

The utility model relates to the field of relays, in particular to a relay driving circuit with power-down protection for a charging pile.

Background

The relay is an electric control device, when the change of input quantity (exciting quantity) reaches the specified requirement, the controlled quantity is made to produce a preset step change in the electric output circuit, and it has the interactive relationship between control system (also called input circuit) and controlled system (also called output circuit), and is usually applied in automatic control circuit, it is an "automatic switch" which uses small current to control large current operation, so that it can play the roles of automatic regulation, safety protection and conversion circuit in the circuit.

The existing relay is fixed in structure after being installed, when the circuit connection is required to be changed, the existing relay is required to be detached and then operated, the operation process is troublesome, and therefore a relay driving circuit with power-down protection for a charging pile is needed.

Disclosure of Invention

Based on the above, the utility model aims to provide a relay driving circuit with power-down protection for a charging pile, so as to solve the technical problems that the existing relay is fixed in structure after being installed, and when the line connection is required to be changed, the existing relay needs to be detached and then operated, and the operation process is troublesome.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a relay drive circuit for charging pile's area protection of losing electricity, includes the relay main part, the outside of relay main part is provided with the shell, and the outside of shell is provided with the explosion-proof cover, the bottom of explosion-proof cover is connected with the connecting seat, and the bottom of connecting seat is provided with the base, the bottom of base is connected with the fixing base, and the intermediate position department of fixing base bottom is provided with the terminal, the both sides of terminal all are connected with the bracing, one side of explosion-proof cover is connected with first sleeve, and first telescopic inside is provided with the second sleeve, be provided with the bolt between first sleeve and the second sleeve, and one side of second sleeve is connected with fixed sleeve, one side of fixed sleeve is connected with the slider, and the outside of slider is provided with the backplate, the inside of backplate is provided with the spout, and the top of spout is provided with the draw-in groove, the top of explosion-proof cover is connected with the linking frame, and the one end of linking frame is connected with draws the piece, the one end of drawing the piece is connected with the plug, and inserts the outside of axle and is provided with the spring.

Preferably, the relay main body is fixedly connected with the base, a threaded hole is formed in the connecting seat, a connecting bolt is arranged in the threaded hole, and the connecting seat is detachably connected with the base through the connecting bolt.

Preferably, the quantity of fixing base, terminal, bracing is the multiunit, multiunit the terminal equidistance distributes in the bottom of base, the inside of fixing base is provided with the spread groove, the terminal runs through the spread groove and extends to its below.

Preferably, the first sleeve is fixedly connected with the explosion-proof cover, the first sleeve and the second sleeve are detachably connected through bolts, the number of the bolts is multiple, and the bolts are distributed in the first sleeve and the second sleeve at equal intervals.

Preferably, the outside of second telescopic is connected with the dwang, fixed sleeve's inside is provided with the rotation groove with dwang assorted, and fixed sleeve passes through the dwang and rotates the groove rotation with the second sleeve and be connected.

Preferably, the sliding block is matched with the sliding groove, the sliding block is in sliding connection with the sliding groove, a threaded hole is formed in the back plate, fixing bolts are connected to the threaded hole, and the number of the fixing bolts is four.

Preferably, the clamping grooves are matched with the inserting shafts, the number of the clamping grooves is multiple, the clamping grooves are distributed at the top end of one side of the back plate at equal intervals, and the clamping grooves are movably connected with the inserting shafts.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the first sleeve, the second sleeve, the bolts, the fixed sleeve, the sliding block, the back plate, the sliding grooves, the clamping grooves, the connecting frame, the pull blocks, the inserting shafts and the springs, the pull blocks can be pulled to separate the inserting shafts from the clamping grooves when maintenance is needed after the relay main body is installed, then the relay main body can slide on one side of the back plate, and also can rotate on one side of the back plate, so that the position can be adjusted when maintenance is convenient, the operation is convenient, and the use is flexible;

2. according to the utility model, through the relay main body, the shell, the explosion-proof cover and the connecting seat, the explosion-proof cover for explosion prevention is additionally arranged on the outer side of the relay main body, so that the use safety of the relay main body is improved, and the use potential safety hazard is reduced;

3. according to the utility model, through the base, the fixing seat, the terminal and the inclined strut, the terminal at the bottom of the base is usually a metal sheet, and is easy to bend and break, and the terminal is difficult to break and bend and the service life is prolonged through the protection of the inclined strut and the fixing seat.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is a schematic structural view of the explosion-proof cover of the present utility model.

In the figure: 1. a relay body; 2. a housing; 3. an explosion-proof cover; 4. a connecting seat; 5. a base; 6. a fixing seat; 7. a terminal; 8. diagonal bracing; 9. a first sleeve; 10. a second sleeve; 11. a bolt; 12. a fixed sleeve; 13. a slide block; 14. a back plate; 15. a chute; 16. a clamping groove; 17. a connection frame; 18. pulling blocks; 19. inserting a shaft; 20. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1-4, a relay driving circuit with power-down protection for a charging pile comprises a relay main body 1, wherein a shell 2 is arranged on the outer side of the relay main body 1, an explosion-proof cover 3 is arranged on the outer side of the shell 2, a connecting seat 4 is connected to the bottom end of the explosion-proof cover 3, a base 5 is arranged at the bottom end of the connecting seat 4, the relay main body 1 is fixedly connected with the base 5, a threaded hole is formed in the connecting seat 4, a connecting bolt is arranged in the threaded hole, the connecting seat 4 and the base 5 are detachably connected through the connecting bolt, and the explosion-proof cover 3 used for explosion protection is additionally arranged on the outer side of the relay main body 1 through the arranged relay main body 1, the shell 2, the explosion-proof cover 3 and the connecting seat 4, so that the use safety of the relay main body 1 is improved, the use safety hidden danger is reduced, and the explosion-proof cover 3 is made of an explosion-proof material with hard texture and can be metal.

Referring to fig. 1-4, a relay driving circuit with power-down protection for a charging pile is disclosed, the bottom end of a base 5 is connected with a fixing seat 6, a terminal 7 is arranged at the middle position of the bottom end of the fixing seat 6, two sides of the terminal 7 are connected with diagonal braces 8, the number of the fixing seat 6, the terminals 7 and the diagonal braces 8 are multiple groups, the multiple groups of terminals 7 are equidistantly distributed at the bottom end of the base 5, a connecting groove is formed in the fixing seat 6, the terminals 7 penetrate through the connecting groove and extend to the lower side of the connecting groove, the terminals 7 at the bottom of the base 5 are usually made of metal sheets, bending and breakage are easy to occur through the arranged base 5, the terminals 7 and the diagonal braces 8, the terminals 7 are not easy to break and bend through the protection of the diagonal braces 8 and the fixing seat 6, the service life is prolonged, the cross sections of the two groups of the diagonal braces 8 are of two groups of triangle structures which are oppositely arranged, and the terminals 7 are placed at the inner side to be protected, and the terminals 7 are reinforced.

Referring to fig. 1-4, a relay driving circuit with power-down protection for a charging pile is disclosed, one side of an explosion-proof cover 3 is connected with a first sleeve 9, a second sleeve 10 is arranged in the first sleeve 9, the first sleeve 9 is fixedly connected with the explosion-proof cover 3, the first sleeve 9 and the second sleeve 10 are detachably connected through bolts 11, the number of the bolts 11 is multiple groups, the bolts 11 of multiple groups are equidistantly distributed in the first sleeve 9 and the second sleeve 10, the explosion-proof cover 3 needs to be detached, the explosion-proof cover 3 can be detached from a base 5 first, then the bolts 11 between the first sleeve 9 and the second sleeve 10 are detached, the operation is convenient, the bolts 11 are arranged between the first sleeve 9 and the second sleeve 10, one side of the second sleeve 10 is connected with a fixed sleeve 12, the outer side of the second sleeve 10 is connected with a rotating block, the inside of the fixed sleeve 12 is provided with a rotating groove matched with the rotating block, the fixed sleeve 12 is rotationally connected with the second sleeve 10 through a rotating block and a rotating groove, when the relay main body 1 rotates, the first sleeve 9 at the rear side can rotate along with the second sleeve 10, the first sleeve 9 drives the second sleeve 10 to rotate, the second sleeve 10 rotates in the fixed sleeve 12, one side of the fixed sleeve 12 is connected with a sliding block 13, the outer side of the sliding block 13 is provided with a back plate 14, the back plate 14 is internally provided with a sliding groove 15, the sliding block 13 is matched with the sliding groove 15, the sliding block 13 is in sliding connection with the sliding groove 15, the back plate 14 is internally provided with threaded holes, the threaded holes are internally connected with fixing bolts, the quantity of the fixing bolts is four groups, the sliding block 13 and the sliding groove 15 are matched with each other to enable the relay main body 1 to transversely move on one side of the back plate 14, a clamping groove 16 is arranged above the sliding groove 15, the top of the explosion-proof cover 3 is connected with a connecting frame 17, and one end of the connecting frame 17 is connected with a pull block 18, one end of the pull block 18 is connected with an inserting shaft 19, the outer side of the inserting shaft 19 is provided with a spring 20, the clamping grooves 16 are matched with the inserting shaft 19, the clamping grooves 16 are in a plurality of groups, the clamping grooves 16 are distributed at the top end of one side of the back plate 14 at equal intervals, the clamping grooves 16 are movably connected with the inserting shaft 19, the positions of the clamping grooves are convenient to operate, one end of the spring 20 is fixedly connected with one end of the connecting frame 17 through the arranged first sleeve 9, the second sleeve 10, the bolt 11, the fixed sleeve 12, the sliding block 13, the back plate 14, the sliding groove 15, the clamping grooves 16, the connecting frame 17, the pull block 18, the inserting shaft 19 and the spring 20, so that the inserting shaft 19 is separated from the clamping grooves 16 when maintenance is needed after the installation of the relay body 1 is completed, the relay body 1 can slide on one side of the back plate 14, the relay body 1 can also rotate on one side of the back plate 14, the position of the relay body 1 is convenient to operate, the operation is flexible, one end of the spring 20 is fixedly connected with one end of the connecting frame 17, and the other end of the spring 20 is fixedly connected with the inserting shaft 19.

Working principle: when the device is used, the device is required to be installed on a plane by using the fixing bolt, the backboard 14 is in direct contact with the installation plane, when the position of the relay main body 1 is required to be adjusted in the installation process, the pull block 18 can be pulled backwards, the pull block 18 drives the inserting shaft 19 to move backwards, the inserting shaft 19 is separated from the clamping groove 16, when the inserting shaft 19 is separated from the clamping groove 16, the relay main body 1 can move and rotate on one side of the backboard 14, and the like, the relay main body 1 can slide on one side of the backboard 14 by using the matched sliding block 13 and sliding chute 15, and the second sleeve 10 and the fixing sleeve 12 can rotate, so that the relay main body 1 can rotate on one side of the backboard 14, after the adjustment is finished, the pulling block 18 is loosened, the inserting shaft 19 enters the inside of the clamping groove 16 under the action of the spring 20, and is then fixed on one side of the backboard 14, in the use process, the explosion-proof cover 3 is additionally arranged on the outer side of the relay main body 1, so that the danger of explosion of the relay main body 1 is reduced, the relay main body 1 is used, the terminal 7 is connected with the inclined wire 7 and the inclined wire 7 is used for supporting the terminal 7, and the service life of the device is prolonged, and the device can be well-known in the prior art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a relay drive circuit for charging stake takes power down protection, includes relay main part (1), its characterized in that: the utility model discloses a relay main part (1), the outside of relay main part (1) is provided with shell (2), and the outside of shell (2) is provided with explosion-proof cover (3), the bottom of explosion-proof cover (3) is connected with connecting seat (4), and the bottom of connecting seat (4) is provided with base (5), the bottom of base (5) is connected with fixing base (6), and the intermediate position department of fixing base (6) bottom is provided with terminal (7), the both sides of terminal (7) all are connected with bracing (8), one side of explosion-proof cover (3) is connected with first sleeve (9), and the inside of first sleeve (9) is provided with second sleeve (10), be provided with bolt (11) between first sleeve (9) and second sleeve (10), and one side of second sleeve (10) is connected with fixed sleeve (12), one side of fixed sleeve (12) is connected with slider (13), and the outside of slider (13) is provided with backplate (14), the inside of backplate (14) is provided with spout (15), and the top of spout (15) all is provided with bracing (16), one end that is connected with (17) of connecting block (17), and a spring (20) is arranged on the outer side of the inserting shaft (19).

2. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the relay is characterized in that the relay main body (1) is fixedly connected with the base (5), a threaded hole is formed in the connecting seat (4), a connecting bolt is arranged in the threaded hole, and the connecting seat (4) is detachably connected with the base (5) through the connecting bolt.

3. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the number of fixing base (6), terminal (7), bracing (8) are the multiunit, multiunit terminal (7) equidistance distributes in the bottom of base (5), the inside of fixing base (6) is provided with the spread groove, terminal (7) run through the spread groove and extend to its below.

4. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the first sleeve (9) is fixedly connected with the explosion-proof cover (3), the first sleeve (9) is detachably connected with the second sleeve (10) through bolts (11), the number of the bolts (11) is multiple, and the bolts (11) are equidistantly distributed in the first sleeve (9) and the second sleeve (10).

5. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the outside of second sleeve (10) is connected with the rotating block, the inside of fixed sleeve (12) is provided with and rotates piece assorted rotation groove, and fixed sleeve (12) are connected through rotating piece and rotation groove rotation with second sleeve (10).

6. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the sliding block (13) is matched with the sliding groove (15), the sliding block (13) is in sliding connection with the sliding groove (15), threaded holes are formed in the back plate (14), fixing bolts are connected to the threaded holes, and the number of the fixing bolts is four.

7. The relay driving circuit with power-down protection for a charging pile according to claim 1, wherein: the clamping grooves (16) are matched with the inserting shafts (19), the number of the clamping grooves (16) is multiple, the plurality of groups of the clamping grooves (16) are distributed at the top end of one side of the back plate (14) at equal intervals, and the clamping grooves (16) are movably connected with the inserting shafts (19).