CN213782876U

CN213782876U - Secondary overvoltage protector of current transformer

Info

Publication number: CN213782876U
Application number: CN202022706354.1U
Authority: CN
Inventors: 高雷; 张天竹
Original assignee: Hefei Lintian Technology Co ltd
Current assignee: Hefei Lintian Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-23
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a current transformer secondary overvoltage protector, the on-line screen storage device comprises an installation base, the front end movable mounting of installation base has protective housing, protective housing's the equal movable mounting in both ends intermediate position has two sets of heat dissipation framves about, protective housing's upper and lower both ends are all seted up flutedly, be provided with joint base in the recess, a plurality of groups jack have evenly been seted up to joint base's upper end, a plurality of groups screw are installed to joint base's front end intermediate position spiral. This current transformer secondary overvoltage protector can prevent that the screw thread post from damaging the protector main part, can take out the protector main part and restore and replace, is favorable to this current transformer secondary overvoltage protector's guard action, and easy operation is convenient, and convenient to use personnel use, and the mounting means is simple, and convenient to use personnel assemble and dismantle, can avoid the dust to plug up the dust screen simultaneously, influence the heat dissipation, is favorable to the continuation use of dust screen simultaneously.

Description

Secondary overvoltage protector of current transformer

Technical Field

The utility model relates to a voltage protector field specifically is a current transformer secondary overvoltage protection device.

Background

The overvoltage protector is a series of products which take a high-voltage and high-energy zinc oxide piezoresistor element as a core and are manufactured by adopting different packaging structures, is widely applicable to industries such as electric power, power electronics, electricity and electrician, applies overvoltage protection to surge voltage of various power electronic equipment, has the characteristics of beneficial and stable performance and convenient installation, can limit atmospheric overvoltage, can limit operating overvoltage caused by switching electricity such as vacuum short circuit and the like, and effectively solves the problem of accumulated damage to equipment insulation due to the operating overvoltage. The Current Transformer (CT) is widely applied to an electric power system, and is an indispensable matching element of an ammeter, a watt-hour meter and a current control system.

The current transformer secondary overvoltage protector dismantles the mode comparatively complicacy, and inconvenient user of service maintains, can not carry out spacing fixed to the protector main part simultaneously, and is inconvenient washs the dust screen, leads to the dust to pile up easily on the dust screen, plugs up the louvre, influences the heat dissipation, for this reason, we provide a current transformer secondary overvoltage protector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a current transformer secondary overvoltage protector to current transformer secondary overvoltage protector who proposes in solving above-mentioned background art dismantles the mode comparatively complicated, and inconvenient user of service maintains, can not carry out spacing fixed to the protector main part simultaneously, and inconvenient washs the dust screen, leads to the dust to pile up easily on the dust screen, plugs up the louvre, influences scattered problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a current transformer secondary overvoltage protector, includes the installation base, the front end movable mounting of installation base has protective housing, protective housing's the equal movable mounting in both ends intermediate position has two sets of heat dissipation framves about, protective housing's upper and lower both ends are all seted up flutedly, be provided with joint base in the recess, a plurality of groups of jacks have evenly been seted up to joint base's upper end, a plurality of groups of screws are installed to joint base's front end intermediate position spiral, protective housing's front end intermediate position is provided with six signal indicator lamps, signal indicator lamp's below just is located protective housing and is provided with reset button.

Preferably, screw and jack mutually perpendicular, and the screw is linked together through round hole and jack, the front end intermediate position fixed mounting of installation base has the mounting bracket, four group's screw holes have evenly been seted up to the corner position of mounting bracket, the equal spiral in both ends intermediate position is provided with the screw thread post about the mounting bracket, the left end fixedly connected with regulation spiral of screw thread post, the right-hand member fixedly connected with rubber pad of screw thread post.

Preferably, the mounting bracket is movably provided with a protector main body, and the protector main body is fixed in the mounting bracket through a threaded column matched with a rubber pad.

Preferably, the spacing groove has all been seted up to both ends intermediate position about the heat dissipation frame, the rear end fixed mounting of heat dissipation frame has the dust screen, both ends and the corresponding position of heat dissipation frame have all seted up the mounting groove about protective housing.

Preferably, the both sides of mounting groove just are located protective housing and have all seted up the activity groove, activity inslot movable mounting has the slider, the through-hole has all been seted up on the both sides wall of mounting groove, and is provided with spacing post in the through-hole.

Preferably, spacing post and slider fixed connection, and spacing post removes in the through-hole through the slider, spacing post agrees with spacing groove mutually, and the heat dissipation frame fixes in the mounting groove through spacing post cooperation spacing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the current transformer secondary overvoltage protector is provided with the adjusting screw, when a user places the protector main body in the mounting rack, the adjusting screw on the two sides of the mounting rack is rotated clockwise, the threaded column fixedly connected with the adjusting screw can move inwards on the mounting rack in a screw manner, so that the protector main body can be clamped by the rubber pad fixedly connected with the threaded column, and meanwhile, the rubber pad can prevent the threaded column from damaging the protector main body;

this current transformer secondary overvoltage protector is provided with protecting sheathing, protecting sheathing can protect the internal component, and the user of service passes through fastening lead screw and the mounting hole cooperation screw hole on the protecting sheathing, can install protecting sheathing on the installation base, the mounting means is simple, convenient to use person assembles and dismantles, place the heat dissipation frame in the mounting groove when the user of service, through removing the slider to the mounting groove direction in the movable groove, thereby can follow the spacing inslot with slider fixed connection's spacing post and get into the spacing inslot in the through-hole, and then fix the heat dissipation frame in the mounting groove, and the user of service is through moving the slider to the outside, can take out the heat dissipation frame from the mounting groove, thereby wash the dust screen, avoid the dust to plug up the dust screen, influence the heat dissipation, be favorable to the continuation of dust screen simultaneously and use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the heat dissipation frame of the present invention;

fig. 4 is a schematic structural view of the protective casing of the present invention;

fig. 5 is an enlarged view of a in the present invention.

In the figure: 1. installing a base; 2. a heat dissipation frame; 3. a protective housing; 4. a groove; 5. a joint base; 6. a jack; 7. a screw; 8. a signal indicator light; 9. a reset button; 10. a protector main body; 11. a mounting frame; 12. adjusting the screw; 13. a threaded hole; 14. a threaded post; 15. a rubber pad; 16. a dust screen; 17. a limiting groove; 18. mounting grooves; 19. a limiting column; 20. a movable groove; 21. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a current transformer secondary overvoltage protector, including installation base 1, the front end movable mounting of installation base 1 has protecting sheathing 3, the equal movable mounting in both ends intermediate position has two sets of heat dissipation frame 2 about protecting sheathing 3, protecting sheathing 3's upper and lower both ends are all seted up flutedly 4, be provided with joint base 5 in the recess 4, a plurality of groups jack 6 have evenly been seted up to joint base 5's upper end, a plurality of groups screw 7 are installed to joint base 5's front end intermediate position spiral, protecting sheathing 3's front end intermediate position is provided with six signal indicator lamp 8, signal indicator lamp 8's below just is located and is provided with reset button 9 on protecting sheathing 3.

Screw 7 and jack 6 mutually perpendicular, and screw 7 is linked together through round hole and jack 6, the front end intermediate position fixed mounting of installation base 1 has mounting bracket 11, four group's screw holes 13 have evenly been seted up to the corner position of mounting bracket 11, the equal spiral in both ends intermediate position is provided with screw thread post 14 about mounting bracket 11, screw thread post 14's left end fixedly connected with regulation spiral 12, screw thread post 14's right-hand member fixedly connected with rubber pad 15, mounting bracket 11 movable mounting has protector main part 10, protector main part 10 passes through screw thread post 14 cooperation rubber pad 15 to be fixed in mounting bracket 11.

Through the technical scheme: this current transformer secondary overvoltage protector is provided with regulation spiral 12, in user of service with protector main part 10 rack mounting bracket 11, regulation spiral 12 through clockwise rotation mounting bracket 11 both sides, can spiral to the inboard removal on mounting bracket 11 with regulation spiral 12 fixed connection's screw post 14, thereby can press from both sides protector main part 10 with 14 fixed connection's of screw post rubber pad 15 tightly, rubber pad 15 can prevent that screw post 14 from damaging protector main part 10 simultaneously, the same reason, user of service passes through anticlockwise rotation regulation spiral 12, can take out protector main part 10 and restore and replace, be favorable to this current transformer secondary overvoltage protector's guard action, and is simple in operation convenient, and convenient user of service uses.

Spacing groove 17 has all been seted up to both ends intermediate position about heat dissipation frame 2, the rear end fixed mounting of heat dissipation frame 2 has dust screen 16, mounting groove 18 has all been seted up with the corresponding position of heat dissipation frame 2 in both ends about protective housing 3, movable groove 20 has all been seted up on protective housing 3 in the both sides of mounting groove 18 and being located, movable groove 20 has slider 21 in the movable groove 20, the through-hole has all been seted up on the both sides wall of mounting groove 18, and be provided with spacing post 19 in the through-hole, spacing post 19 and slider 21 fixed connection, and spacing post 19 removes in the through-hole through slider 21, spacing post 19 agrees with mutually with spacing groove 17, and heat dissipation frame 2 fixes in mounting groove 18 through spacing post 19 cooperation spacing groove 17.

Through the technical scheme: the secondary overvoltage protector of the current transformer is provided with a protective shell 3, the protective shell 3 can protect internal elements, and the protective shell 3 can be arranged on the mounting base 1 by a user through the fastening screw rod and the mounting hole on the protective shell 3 matching with the threaded hole 13, the mounting mode is simple, the assembly and disassembly of the user are convenient, when a user places the heat dissipation frame 2 in the installation groove 18, by moving the sliding block 21 in the movable groove 20 toward the installation groove 18, so that the spacing post 19 fixedly connected with the sliding block 21 can enter the spacing groove 17 from the through hole, the heat dissipation frame 2 is fixed in the mounting groove 18, and the user can take out the heat dissipation frame 2 from the mounting groove 18 by moving the slide block 21 outwards, therefore, the dust screen 16 is cleaned, the dust screen 16 is prevented from being blocked by dust to influence heat dissipation, and meanwhile, the continuous use of the dust screen 16 is facilitated.

The working principle is as follows: for the secondary overvoltage protector of the current transformer, firstly, the internal electrical elements are assembled, when a user places the protector main body 10 in the installation frame 11, the adjusting screws 12 on the two sides of the installation frame 11 are rotated clockwise, the threaded column 14 fixedly connected with the adjusting screws 12 can be screwed inwards on the installation frame 11, so that the rubber gasket 15 fixedly connected with the threaded column 14 can clamp the protector main body 10, meanwhile, the rubber gasket 15 can prevent the threaded column 14 from damaging the protector main body 10, and similarly, the user can take out the protector main body 10 for repair and replacement by rotating the adjusting screws 12 anticlockwise, which is beneficial to the protection function of the secondary overvoltage protector of the current transformer, the operation is simple and convenient, the use by the user is convenient, then, the protective shell 3 is installed, and the protective shell 3 can protect the internal elements, when a user places the heat dissipation frame 2 in the mounting groove 18, the sliding block 21 moves towards the mounting groove 18 in the movable groove 20, so that the limiting column 19 fixedly connected with the sliding block 21 can enter the limiting groove 17 from the through hole, the heat dissipation frame 2 is further fixed in the mounting groove 18, the user can take the heat dissipation frame 2 out of the mounting groove 18 by moving the sliding block 21 outwards, the dust screen 16 is cleaned, the dust screen 16 is prevented from being blocked by dust, heat dissipation is influenced, meanwhile, the continuous use of the dust screen 16 is facilitated, then the user places the electric wire in the jack 6, and then the screw 7 is rotated for fastening, the electric wire can be installed on the connector base 5 in the groove 4, the signal indicating lamp 8 can reflect the line connection condition, and meanwhile, a user can reset through the reset button 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a current transformer secondary overvoltage protector, includes installation base (1), its characterized in that: the utility model discloses a quick-witted, including installation base (1), the front end movable mounting of installation base (1) has protecting sheathing (3), the equal movable mounting in both ends intermediate position has two sets of heat dissipation frame (2) about protecting sheathing (3), recess (4) have all been seted up at the upper and lower both ends of protecting sheathing (3), be provided with joint base (5) in recess (4), a plurality of groups jack (6) have evenly been seted up to the upper end of joint base (5), a plurality of groups screw (7) are installed to the front end intermediate position spiral that connects base (5), the front end intermediate position of protecting sheathing (3) is provided with six signal indicator lamp (8), the below of signal indicator lamp (8) just is located and is provided with reset button (9) on protecting sheathing (3).

2. A current transformer secondary overvoltage protector according to claim 1 wherein: screw (7) and jack (6) mutually perpendicular, and screw (7) are linked together through round hole and jack (6), the front end intermediate position fixed mounting of installation base (1) has mounting bracket (11), four group's screw holes (13) have evenly been seted up to the corner position of mounting bracket (11), the equal spiral in both ends intermediate position is provided with screw thread post (14) about mounting bracket (11), the left end fixedly connected with of screw thread post (14) adjusts spiral (12), the right-hand member fixedly connected with rubber pad (15) of screw thread post (14).

3. A current transformer secondary overvoltage protector according to claim 2 wherein: the protector is characterized in that a protector main body (10) is movably mounted on the mounting frame (11), and the protector main body (10) is fixed in the mounting frame (11) through a threaded column (14) matched with a rubber pad (15).

4. A current transformer secondary overvoltage protector according to claim 1 wherein: spacing groove (17) have all been seted up to both ends intermediate position about heat dissipation frame (2), the rear end fixed mounting of heat dissipation frame (2) has dust screen (16), mounting groove (18) have all been seted up with the corresponding position of heat dissipation frame (2) in both ends about protective housing (3).

5. The secondary overvoltage protector for a current transformer as claimed in claim 4 wherein: the utility model discloses a safety protection device for automobile, including mounting groove (18), movable groove (20) have all been seted up on the both sides of mounting groove (18) and being located protecting sheathing (3), movable mounting has slider (21) in movable groove (20), the through-hole has all been seted up on the both sides wall of mounting groove (18), and is provided with spacing post (19) in the through-hole.

6. The secondary overvoltage protector for a current transformer as claimed in claim 5 wherein: spacing post (19) and slider (21) fixed connection, and spacing post (19) move in the through-hole through slider (21), spacing post (19) agree with mutually with spacing groove (17), and just heat dissipation frame (2) are fixed in mounting groove (18) through spacing post (19) cooperation spacing groove (17).