CN216959312U

CN216959312U - Overvoltage protection terminal with good arc resonance resistance

Info

Publication number: CN216959312U
Application number: CN202220183880.0U
Authority: CN
Inventors: 张家伟
Original assignee: Anhui Jingrui Electric Technology Co ltd
Current assignee: Anhui Jingrui Electric Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-12
Anticipated expiration: 2032-01-24

Abstract

The utility model belongs to the technical field of circuit components and parts, an overvoltage protection terminal with good anti-arc resonance is disclosed, including the main part board, the center at main part board top is equipped with overvoltage protector, the side of overvoltage protector bottom is equipped with positioning mechanism, positioning mechanism includes the foundation, one side fixed connection of the top of foundation and overvoltage protector bottom, and the outside of foundation is equipped with the resettlement groove, the inner chamber of main part board top one side is seted up in the resettlement groove, one side of resettlement groove is equipped with movable groove, one side that movable groove back-contacted from the resettlement groove is equipped with the intercommunication groove, and movable groove and intercommunication groove run through the inner chamber of main part board side jointly. Through the main part board that sets up, when being favorable to effectively accepting overvoltage protector, through the positioning mechanism who establishes for utilize its inside foundation of establishing, can with overvoltage protector bottom fixed connection effect down, cooperate the resettlement groove of establishing, play the effective joint assembly effect to the foundation.

Description

Overvoltage protection terminal with good arc resonance resistance

Technical Field

The present application relates to the field of circuit component technology, and more particularly, to an overvoltage protection terminal with good arc resonance resistance.

Background

In the existing electric power system with 3-35 KW neutral point indirectly grounded, neutral point grounded through an arc suppression coil or neutral point grounded through a high resistance, because various overvoltage protectors have no arc suppression and resonance suppression functions or single functions, the accidents of atmospheric overvoltage, single-phase intermittent arc grounding overvoltage, ferromagnetic resonance overvoltage and the like caused by system interphase and phase-to-ground can not be effectively avoided, and the overvoltage threatens the service life and the operation safety of electric power system equipment to a certain extent.

In the prior art, in order to ensure that the circuit has good safety performance in the use process, the overvoltage protection device terminal is usually equipped with, however, the overvoltage protection device terminal in the prior art is generally fixed inside the electric cabinet through a screw when being assembled, so that the whole installation mode needs a special installation tool, and the problem of inconvenient whole disassembly is brought while the installation is troublesome.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides an overvoltage protection terminal having good arc resonance resistance.

The technical scheme provided by the application is as follows:

an overvoltage protection terminal with good arc resonance resistance comprises a main body plate, wherein an overvoltage protector is arranged in the center of the top of the main body plate, a positioning mechanism is arranged on the side edge of the bottom of the overvoltage protector, the positioning mechanism comprises a bottom column, the top of the bottom column is fixedly connected with one side of the bottom of the overvoltage protector, a placing groove is arranged on the outer side of the bottom column, the placing groove is arranged in an inner cavity on one side of the top end of the main body plate, a movable groove is arranged on one side of the placing groove, a communicating groove is arranged on one side of the movable groove, which is far away from the placing groove, the movable groove and the communicating groove jointly penetrate through the inner cavity on the side end of the main body plate, a matching groove is arranged on one side edge of the movable groove, which is far away from the communicating groove, the matching groove is arranged at one side end of the bottom column, a splicing column is movably sleeved on the inner side of the matching groove, one end of the splicing column penetrates through the matching groove and is movably sleeved with the inner wall of the movable groove, the one end fixedly connected with spring of grafting post, the spring is located the inboard of activity groove, and the one end of spring and one side inner wall fixed connection of activity groove, the inboard of spring is equipped with the connecting rod, the one end and the grafting post fixed connection of connecting rod, and the other end of connecting rod run through the inboard and the fixed hoop of fixed mounting in intercommunication groove.

Through the technical scheme, the overvoltage protector is effectively connected and installed by the main body plate.

Furthermore, the fixed hoop is of a circular ring structure, the fixed hoop is located on the outer side of the main body plate, and the two groups of positioning mechanisms are symmetrically arranged on two sides of the joint of the main body plate and the overvoltage protector.

Through the technical scheme, the portable mounting and dismounting benefits of the overvoltage protector on the top end of the main body plate are achieved by utilizing the two groups of positioning mechanisms.

Further, the middle part of main part board bottom has been seted up and has been put the groove down, put the position that the groove is located between two sets of positioning mechanism down, and put the inboard in groove down and be equipped with complementary unit.

Through the technical scheme, the lower groove is utilized to play a role in effectively embedding the auxiliary structure arranged on the inner side of the lower groove.

Further, the auxiliary mechanism comprises an external box, the top of the external box is fixedly connected with the inner wall of the top end of the lower groove, a reactor and a capacitor are arranged on the inner side of the external box, and the reactor and the capacitor are fixedly connected with the inner wall of the top end of the lower groove.

Through the technical scheme, the arranged external box is utilized to achieve effective protection benefits for the reactor and the capacitor arranged in the external box.

Furthermore, the external box is of a prism-shaped hollow cavity structure without a top end surface, the reactor and the capacitor are electrically connected through a lead, and the reactor and the capacitor are respectively electrically connected with the overvoltage protector through leads.

Through the technical scheme, the electric reactor and the capacitor are used for respectively realizing the effective anti-arc resonance effect on the overvoltage protector under the electric connection effect.

Further, the outside of overvoltage protector bottom is equipped with the heat conduction frame, the heat conduction frame is prismatic frame structure, and the bottom of heat conduction frame and the top fixed connection of main part board, the outer wall of heat conduction frame both sides end all fixed mounting have radiating fin.

Through the technical scheme, the heat conducting frame and the heat radiating fins are utilized to play an effective auxiliary heat radiating effect on the bottom end of the overvoltage protector.

To sum up, the application comprises the following beneficial technical effects:

through the main part board that sets up, be favorable to treating when installing overvoltage protection device and effectively accept, through two sets of positioning mechanism who establishes, make and utilize its inside foundation of establishing, can with overvoltage protection device bottom fixed connection effect down, the arrangement groove that the cooperation was established, play the effective joint assembly effect to the foundation, and utilize the movable groove of establishing, the intercommunication groove, the cooperation groove, the plug column, a spring, under the combined action of connecting rod and fixed hoop, when the realization is at the portable installation benefit in main part board top to overvoltage protection device, can play the convenient dismantlement effect to overvoltage protection device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a general partial side sectional view of the present application;

fig. 3 is a schematic view of the internal structure of the external box of the present application.

The numbering in the figures illustrates:

1. a main body plate; 2. an overvoltage protector; 3. a positioning mechanism; 4. a bottom pillar; 5. a placing groove; 6. a movable groove; 7. a communicating groove; 8. a mating groove; 9. inserting the column; 10. a spring; 11. a connecting rod; 12. a fixing hoop; 13. a lower groove; 14. an auxiliary mechanism; 15. an external box; 16. a reactor; 17. a capacitor; 18. a heat conducting frame; 19. and (4) radiating fins.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

the present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses an overvoltage protection terminal with good arc resonance resistance, please refer to fig. 1 and fig. 2, which comprises a main body plate 1, an overvoltage protector 2 is arranged at the center of the top of the main body plate 1, a positioning mechanism 3 is arranged at the side edge of the bottom of the overvoltage protector 2, the positioning mechanism 3 comprises a bottom column 4, the top of the bottom column 4 is fixedly connected with one side of the bottom of the overvoltage protector 2, a placement groove 5 is arranged at the outer side of the bottom column 4, the placement groove 5 is arranged in an inner cavity at one side of the top end of the main body plate 1, a movable groove 6 is arranged at one side of the placement groove 5, a communication groove 7 is arranged at one side of the movable groove 6 departing from the placement groove 5, the movable groove 6 and the communication groove 7 jointly penetrate through the inner cavity at the side end of the main body plate 1, a matching groove 8 is arranged at one side edge of the movable groove 6 departing from the communication groove 7, the matching groove 8 is arranged at one side end of the bottom column 4, and a plug-in movable sleeve of the matching groove 8, one end of the inserting column 9 penetrates through the matching groove 8 and is movably sleeved with the inner wall of the movable groove 6, one end of the inserting column 9 is fixedly connected with a spring 10, the spring 10 is positioned on the inner side of the movable groove 6, one end of the spring 10 is fixedly connected with the inner wall of one side of the movable groove 6, the inner side of the spring 10 is provided with a connecting rod 11, one end of the connecting rod 11 is fixedly connected with the inserting column 9, the other end of the connecting rod 11 penetrates through the inner side of the communicating groove 7 and is fixedly provided with a fixed hoop 12, the fixed hoop 12 is in a circular ring structure, the fixed hoop 12 is positioned on the outer side of the main body plate 1, the two groups of positioning mechanisms 3 are symmetrically arranged on two sides of the connecting part of the main body plate 1 and the overvoltage protector 2, and the internally arranged bottom column 4, the arranging groove 5, the movable groove 6, the communicating groove 7, the matching groove 8, the inserting column 9 and the connecting column 3 are utilized, Spring 10 and connecting rod 11, fixed hoop 12 under the combined action, be convenient for to overvoltage protector 2 bottom fixed connection in, realize to its portable installation and the dismantlement benefit on main part board 1 top.

Referring to fig. 1 and 3, a lower tank 13 is disposed in the middle of the bottom end of the main body board 1, the lower tank 13 is located between two sets of positioning mechanisms 3, an auxiliary mechanism 14 is disposed inside the lower tank 13, the auxiliary mechanism 14 includes an external box 15, the top of the external box 15 is fixedly connected to the inner wall of the top end of the lower tank 13, a reactor 16 and a capacitor 17 are disposed inside the external box 15, the reactor 16 and the capacitor 17 are both fixedly connected to the inner wall of the top end of the lower tank 13, the external box 15 is a prism-shaped hollow cavity structure without a top end surface, the reactor 16 and the capacitor 17 are electrically connected by a wire, the reactor 16 and the capacitor 17 are respectively electrically connected to the overvoltage protector 2 by a wire, the external box 15 disposed inside the lower tank 13 can be utilized by the auxiliary mechanism 14, which is beneficial to fixedly connect to the inner wall of the lower tank 13, and simultaneously, a good receiving and protecting effect is provided to the reactor 16 and the capacitor 17 inside the lower tank, thereby, the reactor 16 and the capacitor 17 are connected in series, and the electrical connection effect on the overvoltage protector 2 body is realized, so that the passive resonance filtering device is integrally realized, good anti-arc resonance benefit on the overvoltage protector 2 is realized, the practicability and the service life of the overvoltage protector 2 are improved, the outer side of the bottom end of the overvoltage protector 2 is provided with the heat conducting frame 18, the heat conducting frame 18 is in a prism frame structure, the bottom of the heat conducting frame 18 is fixedly connected with the top of the main body plate 1, the outer walls of the two side ends of the heat conducting frame 18 are fixedly provided with the heat radiating fins 19, the heat conducting frame 18 is arranged, the top of the main body plate 1 can be fixedly connected, the effective sleeving and contact benefit on the outer wall of the bottom end of the overvoltage protector 2 is realized by utilizing the frame structure of the body, and the body of the heat conducting frame 18 is made of a metal copper material, so that the metal copper material with good heat conductivity is used to cooperate with the heat dissipation fins 19 arranged on the outer walls of the two ends of the heat conduction frame 18 to play a good auxiliary heat dissipation role for the bottom end of the overvoltage protector 2.

The implementation principle of the overvoltage protection terminal with good arc resonance resistance in the embodiment of the application is as follows: when the overvoltage protector is used, the auxiliary mechanism 14 can carry out installation work on the overvoltage protector 2 at the top of the main body plate 1 while the interior of the lower groove 13 is in a complete assembly state, when the overvoltage protector is installed, two groups of plug-in posts 9 are indirectly separated from each other by utilizing the pulling action of two groups of fixed hoops 12 on the connecting rod 11, two groups of springs 10 both generate compression deformation work, and at the moment, two groups of plug-in posts 9 are respectively positioned in two groups of movable grooves 6, then the overvoltage protector 2 is arranged at the top of the main body plate 1, the bottom posts 4 arranged at two sides of the bottom end of the overvoltage protector are respectively clamped with two groups of arrangement grooves 5, when the two groups of fixed hoops 12 are loosened, the two groups of plug-in posts 9 carry out relative movement, and the opposite ends of the two groups of plug-in posts 9 are respectively butted with two groups of matching grooves 8, so as to realize stable installation work of the overvoltage protector 2 at the top end of the main body plate 1, and the disassembly of the overvoltage protector 2 can be realized only by pulling the two groups of fixing hoops 12 when the overvoltage protector is disassembled at the later stage.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An overvoltage protection terminal with good arc resonance resistance, comprising a main body plate (1), characterized in that: the center of the top of the main body plate (1) is provided with an overvoltage protector (2), the side edge of the bottom of the overvoltage protector (2) is provided with a positioning mechanism (3), the positioning mechanism (3) comprises a bottom pillar (4), the top of the bottom pillar (4) is fixedly connected with one side of the bottom of the overvoltage protector (2), the outer side of the bottom pillar (4) is provided with a placement groove (5), the placement groove (5) is arranged in an inner cavity on one side of the top end of the main body plate (1), one side of the placement groove (5) is provided with a movable groove (6), one side of the movable groove (6) departing from the placement groove (5) is provided with a communicating groove (7), the movable groove (6) and the communicating groove (7) jointly penetrate through the inner cavity on the side end of the main body plate (1), one side edge of the movable groove (6) departing from the communicating groove (7) is provided with a matching groove (8), and the matching groove (8) is arranged at one side end of the bottom pillar (4), and the inboard activity of cooperation groove (8) has cup jointed grafting post (9), the one end of grafting post (9) runs through cooperation groove (8) and cup joints with the inner wall activity of activity groove (6), the one end fixedly connected with spring (10) of grafting post (9), spring (10) are located the inboard of activity groove (6), and the one end of spring (10) and one side inner wall fixed connection of activity groove (6), the inboard of spring (10) is equipped with connecting rod (11), the one end and the grafting post (9) fixed connection of connecting rod (11), and the other end of connecting rod (11) runs through the inboard and the fixed mounting of intercommunication groove (7) and has fixed hoop (12).

2. An overvoltage protection terminal having good arc resonance resistance as claimed in claim 1 wherein: the fixed hoop (12) is of a circular ring structure, the fixed hoop (12) is located on the outer side of the main body plate (1), the positioning mechanisms (3) are two groups, and the two groups of the positioning mechanisms (3) are symmetrically arranged on two sides of the joint of the main body plate (1) and the overvoltage protector (2).

3. An overvoltage protection terminal having good arc resonance resistance according to claim 2, wherein: lower groove (13) have been seted up at the middle part of main part board (1) bottom, lower groove (13) are located the position between two sets of positioning mechanism (3), and the inboard of lower groove (13) is equipped with complementary unit (14).

4. An overvoltage protection terminal having good arc resonance resistance according to claim 3, wherein: the auxiliary mechanism (14) comprises an external box (15), the top of the external box (15) is fixedly connected with the inner wall of the top end of the lower groove (13), a reactor (16) and a capacitor (17) are arranged on the inner side of the external box (15), and the reactor (16) and the capacitor (17) are fixedly connected with the inner wall of the top end of the lower groove (13).

5. An overvoltage protection terminal having good arc resonance resistance according to claim 4, wherein: the external box (15) is of a prism-shaped hollow cavity structure without a top end face, the electric reactor (16) is electrically connected with the capacitor (17) through a lead, and the electric reactor (16) and the capacitor (17) are respectively electrically connected with the overvoltage protector (2) through leads.

6. An overvoltage protection terminal having good arc resonance resistance as claimed in claim 1 wherein: the outer side of the bottom end of the overvoltage protector (2) is provided with a heat conducting frame (18), the heat conducting frame (18) is of a prismatic frame structure, the bottom of the heat conducting frame (18) is fixedly connected with the top of the main body plate (1), and heat radiating fins (19) are fixedly mounted on the outer walls of two side ends of the heat conducting frame (18).