CN216671502U - Novel high-voltage relay - Google Patents

Abstract

The utility model discloses a novel high-voltage relay, which comprises a protective shell, wherein a coil assembly is arranged at the bottom in the protective shell, a movable iron core is arranged in the coil assembly, a horizontal movable contact piece is fixedly connected onto the movable iron core, movable contacts are fixedly connected onto two ends of the movable contact piece, a first partition plate which is positioned on the same axis with the movable iron core is fixedly connected into the protective shell, one end, close to the movable iron core, of the first partition plate is provided with a guide hole, the end part of the movable iron core extends into the guide hole, the first partition plate is connected with the movable contact piece through a reset spring, fixed contacts corresponding to the movable contacts are arranged on two sides of the first partition plate in the protective shell, the high-voltage relay can ensure the accuracy of the moving path of the movable iron core, so that the matching sensitivity of the movable contacts and the fixed contacts is ensured, and has better radiating effect, improves the life of relay coil assembly.

Description

Novel high-voltage relay

Technical Field

The utility model relates to the technical field of relays, in particular to a novel high-voltage relay.

Background

The relay is an automatic switch element, is usually applied to an automatic control circuit, plays the roles of automatic regulation, safety protection, switching circuit and the like in the circuit, is widely applied to the fields of new energy automobiles, photovoltaics, charging stations and the like, and usually comprises two static contact pieces, a movable contact piece, a movable iron core, a coil assembly and a reset spring;

the existing relay is used, the movable iron core moves after the coil is electrified, but the movement of the movable iron core lacks a corresponding positioning mechanism, if the position deviation occurs in the moving process, the movable contact piece and the static contact piece are easy to cause poor contact, the working sensitivity of the relay is influenced, and the coil is easy to generate heat under a high-voltage circuit and is easy to cause coil damage.

Disclosure of Invention

The object of the present invention is to provide a new type of high voltage relay to solve the above mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel high-voltage relay, includes the protective housing, the bottom is equipped with the coil pack in the protective housing, be equipped with movable iron core in the coil pack, fixed connection has horizontally movable contact on the movable iron core, the both ends fixedly connected with movable contact, fixedly connected with in the protective housing with movable iron core is located the first baffle on the same axis, first baffle is close to the guiding hole has been seted up to movable iron core's one end, movable iron core's tip stretches into in the guiding hole, first baffle with be connected through reset spring between the movable contact, the protective housing is internal to be located first baffle both sides are equipped with the correspondence movable contact's fixed contact.

Preferably, the guide hole is provided with a linear bearing, and the movable iron core is matched with the linear bearing.

Further preferably, two sides of the first partition plate are fixedly connected with second partition plates, one end of the fixed joint penetrates through the second partition plates, and the other end of the fixed joint penetrates through the side face of the protective shell.

Further preferably, the protective housing is internally and fixedly connected with a third partition plate located between the coil assembly and the movable contact piece, the middle of the third partition plate is provided with a through hole through which the movable iron core passes, and the circumferential direction of the coil assembly is provided with cooling fins.

Further preferably, the circumference of the radiating fin is provided with a radiating groove, a radiating pipe is arranged in the radiating groove, and two ends of the radiating pipe respectively penetrate through the side surface of the protective shell and are communicated with joints.

Still further preferably, the side surface of the protective shell is provided with an air hole below the third partition plate.

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

(1) according to the high-voltage relay, the first partition plate which is located on the same axial direction as the movable iron core is arranged in the protective shell, the end part of the first partition plate is provided with the guide hole, the end part of the movable iron core extends into the guide hole, and the vertical bearing is arranged in the guide hole and matched with the movable iron core.

(2) The high-voltage relay is characterized in that a third partition plate is arranged above a coil assembly, the third partition plate and a protective shell form an independent space, the coil assembly is located in the independent space and is not influenced by other components, meanwhile, the heat dissipation plates are arranged in the circumferential direction of the coil assembly, air holes are formed in the upper side face of the protective shell, heat generated by a working chamber of the coil assembly can be dissipated out of the device, the coil is prevented from being damaged due to overheating, moreover, heat dissipation grooves are formed in the side faces of the coil, heat dissipation pipes are arranged in the heat dissipation grooves, penetrate through the protective shell and are connected with joints, refrigerating machines are connected through the joints, and refrigerating fluid passes through the heat dissipation pipes, so that the heat dissipation effect can be further improved, and the normal operation of the coil assembly is guaranteed.

Drawings

FIG. 1 is a schematic diagram of a main view structure of a novel high-voltage relay according to the present invention;

in the figure: 1. a protective shell; 2. a coil assembly; 3. a movable iron core; 4. a movable contact piece; 5. a movable contact; 6. a first separator; 7. a guide hole; 8. a return spring; 9. a fixed contact; 10. a linear bearing; 11. a second separator; 12. a third partition plate; 13. a through hole; 14. a heat sink; 15. a heat sink; 16. a radiating pipe; 17. a joint; 18. and (4) air holes.

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, the present invention provides an embodiment: a novel high-voltage relay comprises a protective shell 1, wherein a coil assembly 2 is arranged at the bottom in the protective shell 1, the coil assembly 2 is detachably fixed on the inner bottom surface of the protective shell 1, a movable iron core 3 is arranged in the coil assembly 2, the movable iron core 3 can vertically move after the coil assembly 2 is electrified, a horizontal movable contact piece 4 is fixedly connected to the movable iron core 3, the movable contact piece 4 is horizontally arranged, two ends of the movable contact piece 4 are fixedly connected with movable contacts 5, the two movable contacts 5 are symmetrically arranged, a first partition plate 6 which is positioned on the same axis with the movable iron core 3 is fixedly connected in the protective shell 1, the width of the first partition plate 6 is larger than the diameter of the movable iron core 3, one end of the first partition plate 6, which is close to the movable iron core 3, is provided with a guide hole 7, the guide hole 7 and the movable iron core 3 are coaxially arranged, and the end part of the movable iron core 3 extends into the guide hole 7, the guide hole 7 can limit the moving path of the movable iron core 3, so as to ensure that the movable iron core 3 does not deviate in the moving process, the first partition plate 6 is connected with the movable contact plate 4 through a return spring 8, one end of the return spring 8 is connected with the first partition plate 6, the other end of the return spring 8 is connected with the movable contact plate 4, and fixed contacts 9 corresponding to the movable contacts 5 are arranged on two sides of the first partition plate 6 in the protective shell 1;

The guide hole 7 is provided with a linear bearing 10, and the movable iron core 3 is matched with the linear bearing 10, so that the moving process of the movable iron core 3 is smoother, the moving resistance of the movable iron core 3 is reduced, and the sensitivity of the relay is ensured;

the two sides of the first partition plate 6 are fixedly connected with second partition plates 11, one ends of the fixed contacts 9 penetrate through the second partition plates 11, the other ends of the fixed contacts 9 penetrate through the side faces of the protective shell 1, the second partition plates 11 and the first partition plates 6 form cross-shaped partition plates, the upper space in the protective shell 1 is divided into two independent spaces, the two fixed contacts 9 are located in the two independent spaces, the phenomenon of inductive discharge generated when the two fixed contacts 9 are connected with power and disconnected with power can be effectively prevented, and the fixed contacts 9 are protected;

a third partition plate 12 positioned between the coil assembly 2 and the movable contact piece 4 is fixedly connected in the protective shell 1, a through hole 13 allowing the movable iron core 3 to pass through is formed in the middle of the third partition plate 12, the bottom of the protective shell 1 is separated and independent into a space by the third partition plate 12, the coil assembly 2 is positioned in the independent space, and the influence of the above electrical elements can be avoided, meanwhile, the radiating fins 14 are arranged in the circumferential direction of the coil assembly 2, so that heat generated by the operation of the coil assembly 2 under high-voltage current can be effectively absorbed, and the coil assembly 2 is prevented from being damaged due to overheating;

The circumferential direction of the radiating fins 14 is provided with radiating grooves 15, the radiating grooves 15 are arranged around the radiating fins 14, radiating pipes 16 are arranged in the radiating grooves 15, two ends of each radiating pipe 16 penetrate through the side face of the protective shell 1 respectively and are communicated with joints 17, the radiating pipes are connected with refrigeration equipment through the joints 17, and refrigerant fluid passes through the radiating pipes 16 arranged around the radiating fins 14, so that a large amount of heat can be effectively taken away, the radiating effect of the coil assembly 2 is further improved, and the service life of the coil assembly 2 is prolonged;

the air holes 18 are formed in the side face of the protective shell 1 and located below the third partition plate 12, when the heat generated by the coil assembly 2 is small, heat dissipation can be completed through the radiating fins 14 and the air holes 18, and therefore the device has the function of adjusting the heat dissipation mode according to the heat generation condition.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a novel high-voltage relay, includes protective housing (1), the bottom is equipped with coil pack (2) in protective housing (1), be equipped with movable iron core (3) in coil pack (2), its characterized in that: fixed connection has horizontally activity contact (4) on activity iron core (3), the both ends fixedly connected with movable contact (5) of activity contact (4), fixedly connected with in protective housing (1) with activity iron core (3) are located first baffle (6) on the same axis, first baffle (6) are close to guiding hole (7) have been seted up to the one end of activity iron core (3), the tip of activity iron core (3) stretches into in guiding hole (7), first baffle (6) with be connected through reset spring (8) between activity contact (4), be located in protective housing (1) first baffle (6) both sides are equipped with and correspond fixed contact (9) of activity contact (5).

2. The novel high-voltage relay according to claim 1, characterized in that: the guide hole (7) is provided with a linear bearing (10), and the movable iron core (3) is matched with the linear bearing (10).

3. The novel high-voltage relay according to claim 1, characterized in that: the two sides of the first partition plate (6) are fixedly connected with second partition plates (11), one end of the fixed contact (9) penetrates through the second partition plates (11), and the other end of the fixed contact (9) penetrates through the side face of the protective shell (1).

4. A novel high-voltage relay according to any one of claims 1-3, characterized in that: fixedly connected with is located in protective housing (1) coil pack (2) with third baffle (12) between activity contact (4), the middle part of third baffle (12) is seted up and is allowed through-hole (13) that activity iron core (3) pass through, the circumference of coil pack (2) is equipped with fin (14).

5. The novel high-voltage relay according to claim 4, characterized in that: radiating groove (15) have been seted up to the circumference of fin (14), be equipped with cooling tube (16) in radiating groove (15), the both ends of cooling tube (16) run through respectively the side intercommunication of protective housing (1) has joint (17).

6. The novel high-voltage relay according to claim 4, characterized in that: and air holes (18) are formed in the side surface of the protective shell (1) and positioned below the third partition plate (12).

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