CN220963150U

CN220963150U - Power supply control magnetic latching relay

Info

Publication number: CN220963150U
Application number: CN202322906626.6U
Authority: CN
Inventors: 刘衍聪; 黄雪; 陈海多; 彭碧辉; 胡齐亮; 金锦建
Original assignee: Zhejiang Meishuo Electric Technology Co ltd
Current assignee: Zhejiang Meishuo Electric Technology Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-05-14
Anticipated expiration: 2033-10-27

Abstract

The utility model discloses a power control magnetic latching relay, which comprises a static conductive plate and a movable conductive plate which are arranged in a shell, wherein the shell comprises a bottom plate and a transition space, a first connecting part and a second connecting part which extend into the transition space respectively are arranged according to the movable conductive plate and the static conductive plate, a plurality of first pins and a plurality of second pins which extend out of the bottom plate vertically from the first connecting part and the second connecting part are arranged on the bottom plate at intervals along the length direction of the bottom plate, and an insulating structure which separates the first connecting part from the second connecting part is arranged in the transition space.

Description

Power supply control magnetic latching relay

Technical Field

The utility model relates to the technical field of relays, in particular to a power supply control magnetic latching relay.

Background

The magnetic latching relay has the functions of automatic regulation, safety protection, converting circuit, etc. by controlling the current direction of iron core coil, the magnetic latching relay produces magnetic pole polarity conversion on yoke iron and drives the thrust rod to move forward or backward by means of the magnetic force of permanent magnet, so that the thrust rod drives the movable contact to act, and the opening or closing between the movable contact and the fixed contact is realized.

Referring to fig. 6, a magnetic latching relay is generally known at present, a magnetic circuit mechanism 03 comprising a coil assembly, an armature and a magnetic yoke is arranged in a housing 01, a push rod 04 connected with the armature, and a main contact assembly for switching on or off an external main circuit, wherein the main contact assembly comprises a pair of conductive plates 02 extending out of the housing 01 in parallel and opposite directions, a stationary contact 05 arranged on one of the conductive plates 02, and a movable reed 06 arranged on the other conductive plate, and the pair of conductive plates 02, the push rod 03 and the magnetic circuit mechanism 04 are sequentially arranged in the housing from left to right. The pair of conductive sheets are mutually inserted in a plurality of hole sites of the customer circuit board in parallel, and the plurality of hole sites on the circuit board are linearly arranged and adjusted along with customers, so that the conductive sheets are required to be correspondingly adjusted and improved, the conventional magnetic latching relay is difficult to adjust the positions of the conductive sheets without changing the basic structure, the inner space is nearly saturated, the safety of the electric gap for installing the conductive sheets is ensured, and the requirement of a voltage-resistant impact test is met, so that the difficulty of improving the positions of the conductive sheets by technicians is definitely greatly increased.

Disclosure of utility model

The utility model aims to overcome the defects in the prior art, thereby providing the power control magnetic latching relay which reasonably optimizes the layout pin structure so as to meet the hole site installation design requirement on a client circuit board, reduce the installation design difficulty and ensure the safety of an electric gap.

In order to achieve the above purpose, the utility model provides a power control magnetic latching relay, which comprises a shell, a static conductive plate and a movable conductive plate, wherein the static conductive plate and the movable conductive plate are arranged on the shell, a static contact is arranged on the static conductive plate, and a movable spring component is arranged on the movable conductive plate; the shell comprises a bottom plate and a transition space formed between the bottom plate and the shell, the movable conductive plate is provided with a first connecting part which is bent and extends into the transition space, and a plurality of first pins which are vertically formed by the first connecting part and extend out of the bottom plate; the static conductive plate is provided with a second connecting part which is bent and extends into the transition space, and a plurality of second pins which are vertically formed by the second connecting part and extend out of the bottom plate; an insulating structure is arranged in the transition space to separate the first connecting portion from the second connecting portion, and a plurality of first pins and a plurality of second pins are arranged on the bottom plate at intervals along the length direction of the bottom plate.

As an optimization scheme, the shell comprises a shell seat and a shell cover, wherein the shell seat is arranged up and down relative to the bottom plate and forms the transition space, the shell cover covers the shell seat and the outer side of the bottom plate, and the bottom plate is detachably connected with the shell seat.

As an optimization scheme, the bottom plate is correspondingly provided with a plurality of jacks through which the first pins and the second pins can pass, and the jacks are sequentially arranged at intervals along the length direction of the bottom plate and are close to one side edge of the bottom plate.

As an optimization scheme, the first connecting part and the second connecting part are respectively in an L-shaped structure and extend in the same direction to be arranged in the transition space; two first pins are integrally formed on one side edge of the first connecting portion, and two second pins are integrally formed on one side edge of the second connecting portion.

As an optimization scheme, the insulation structure is a first partition plate arranged between the first connecting part and the second connecting part, the first partition plate is connected to the bottom side of the shell seat in a step shape, and the first partition plate divides the transition space into a first partition groove suitable for accommodating the first connecting part and a second partition groove suitable for accommodating the second connecting part.

As an optimization scheme, two notch openings which are communicated with the transition space are formed between the bottom side of the shell seat and the first partition plate, and the static conductive plate and the movable conductive plate penetrate through the two notch openings and respectively extend into the transition space.

As an optimization scheme, a coil assembly, a magnetic yoke, an armature structure and a push rod for connecting the armature structure and the movable spring assembly are arranged in the shell seat.

As an optimization scheme, the coil assembly comprises a plurality of coil pins which are arranged between the shell seat and the bottom plate on the same side, and a plurality of pinholes through which the coil pins can pass are arranged on the bottom plate.

As an optimization scheme, the bottom plate is provided with a supporting boss corresponding to the coil contact pin, the supporting boss is provided with a plurality of guide slots connected with a plurality of pinholes, guide inclined planes extending to the pinholes are arranged in the guide slots, and the contact pin is inserted into the pinholes through the guide slots.

As an optimization scheme, a second partition plate which is arranged between the first connecting part and the plurality of coil pins is arranged between the bottom plate and the shell seat, and the second partition plate extends for a set distance along the length direction of the bottom shell.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. In the power control magnetic latching relay provided by the utility model, the static conductive plate and the movable conductive plate are provided with the first connecting part and the second connecting part which extend into the transition space at the bottom side of the shell respectively, and the first pins and the second pins vertically extend out of the bottom plate from the first connecting part and the second connecting part, and are arranged in a straight line along the length direction of the bottom plate according to the first pins and the second pins, and are just matched and installed with the holes distributed on the client circuit board, and the insulating structure for separating the first connecting part from the second connecting part is arranged in the transition space, so that the safety electric gap between the first connecting part and the second connecting part can be ensured, the requirement of pressure-resistant impact test can be met, the reasonable and optimized layout can be made for the first pins and the second pins by utilizing the transition space on the premise of not changing the internal basic structure of the product, the hole site installation design requirement on the client circuit board can be well met, the installation design difficulty is reduced, the product use performance is improved, and the applicability is good.

2. According to the power control magnetic latching relay provided by the utility model, the shell is provided with the shell seat and the bottom plate, the bottom plate is detachably connected to the bottom side of the shell seat, and a transition space capable of accommodating the first connecting part and the second connecting part is formed between the shell seat and the bottom plate relatively, and the transition space is utilized to provide a position space for the extension of the first connecting part and the second connecting part, so that the first pins and the second pins are arranged at intervals along the length direction of the bottom plate in the transition space.

3. In the power control magnetic latching relay provided by the utility model, the first partition plate is arranged between the first connecting part and the second connecting part according to the insulation structure, and the first connecting part and the second connecting part are arranged in the upper and lower separation way through the first partition plate because the first connecting part and the second connecting part have a section of same-direction extension distance in the transition space, so that the safe electric gap between the static conductive plate and the movable conductive plate in the transition space is increased, the insulation performance of the static conductive plate and the movable conductive plate in the transition space is strong enough, the creepage short circuit is avoided, the use of the static conductive plate and the movable conductive plate is in accordance with the pressure strength test of products, and the use safety and reliability of the products are ensured.

4. According to the power control magnetic latching relay provided by the utility model, the second partition plate is arranged between the base plate and the shell seat, and the coil pins are close to each other after the first connecting part extends, so that the second partition plate is blocked between the first connecting part and the plurality of coil pins to play an insulating and isolating role, the creepage distance between the first connecting part and the coil pins is increased, a safe electric gap can be obtained between the first connecting part and the coil pins, and the electric performance stability and safety of a product coil are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic perspective view of a power control magnetic latching relay of the present utility model;

FIG. 2 is a front view of the power control magnetic latching relay of the present utility model after concealing the housing;

FIG. 3 is a rear view of the power control magnetic latching relay of the present utility model after concealing the housing;

FIG. 4 is a schematic diagram of the structure of the moving and static conductive plates of the present utility model;

FIG. 5 is a schematic view of another direction of the movable conductive plate and the static conductive plate according to the present utility model;

fig. 6 is a schematic structural view of a magnetic latching relay according to the prior art.

Reference numerals illustrate: 1. a housing base; 2. a bottom plate; 21. a jack; 22. a support boss; 23. a guide slot; 24. a guide slope; 3. a transition space; 31. a first separator; 32. a second separator; 4. a movable conductive plate; 41. a first connection portion; 42. a first pin; 5. a static conductive plate; 50. a stationary contact; 51. a second connecting portion; 52. a second pin; 6. a coil assembly; 61. a coil pin; 7. a yoke; 8. an armature structure; 9. a push rod; 10. a moving spring assembly; 11. a housing.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

The embodiment provides a power control magnetic latching relay as shown in fig. 1-5, which comprises a shell, a static conductive plate 5 and a movable conductive plate 4, wherein the static conductive plate 5 and the movable conductive plate 4 are arranged on the shell, a static contact 50 is arranged on the static conductive plate 5, a movable spring assembly 10 is arranged on the movable conductive plate 4, a movable touch opposite to the static contact 50 is arranged on the movable spring assembly 10, the shell comprises a bottom plate 2 and a transition space 3 formed between the bottom plate 2 and the shell, the movable conductive plate 4 is provided with a first connecting part 41 which is bent and extends into the transition space 3, and a plurality of first pins 42 which are vertically formed by the first connecting part 41 and extend out of the bottom plate 2; the static conductive plate 5 is provided with a second connecting part 51 which is bent and extends into the transition space 3, and a plurality of second pins 52 which are vertically formed by the second connecting part 51 and extend out of the bottom plate 2; an insulating structure is provided in the transition space 3 to separate the first and second connection parts 41 and 51, and a plurality of first pins 42 and a plurality of second pins 52 are arranged at intervals in the longitudinal direction of the base plate 2.

The above embodiment is a core technical solution of this embodiment, the static conductive plate 5 and the moving conductive plate 4 have a first connection portion 41 and a second connection portion 51 that extend to the transition space 3 at the bottom side of the housing respectively, and a plurality of first pins 42 and a plurality of second pins 52 that extend vertically out of the bottom plate 2 from the first connection portion 41 and the second connection portion 51, and are arranged in a straight line along the length direction of the bottom plate 2 according to the first pins 42 and the second pins 52, and are just matched with holes distributed on the customer circuit board, and are installed, and through an insulation structure that separates the first connection portion 41 and the second connection portion 51 in the transition space 3, a safe electrical gap between the first connection portion 41 and the second connection portion 51 can be ensured, so that the requirement of a pressure-resistant impact test is reached, and a reasonable optimization layout can be made for the first pins and the second pins by using the transition space on the premise of not changing the internal basic structure of the product, so that the installation design difficulty of the installation on the customer circuit board can be well met, the installation design can be reduced, and the usability of the product can be improved.

As shown in fig. 1-3, the housing includes a housing seat 1 disposed opposite to a base plate 2 from top to bottom, and a cover 11 covering the housing seat 1 and the base plate 2, the base plate 2 is detachably connected to the housing seat 1 and forms a transition space 3 between them for accommodating the first connection portion 41 and the second connection portion 51, the base plate 2 is correspondingly provided with a plurality of insertion holes 21 through which the first pins 42 and the second pins 52 can pass, and the insertion holes 21 are sequentially spaced along the length direction of the base plate 2 and are arranged close to one side edge of the base plate 2, and a position space is provided for extending the first connection portion 41 and the second connection portion 51 by using the transition space, so that the first pins 42 and the second pins 52 are arranged at intervals along the length direction of the base plate in the transition space 3. After the static conductive plate 5 and the movable conductive plate 4 are installed on the shell seat 1, the shell seat and the bottom plate are fixed in relative installation positions as long as the bottom plate 2 is assembled on the first pins 42 and the second pins 52, and the installed pins correspondingly penetrate through the jacks of the bottom plate and are arranged in a straight line, so that the matched installation with the customer circuit board can be better realized.

The specific arrangement of the first connection portion and the second connection portion is described in detail below with reference to fig. 2-5: the first connection portion 41 and the second connection portion 51 are respectively in an L-shaped structure and extend in the same direction in the transition space 3, specifically, two first pins 42 are integrally formed on one side edge of the first connection portion 41, two second pins 52 are integrally formed on one side edge of the second connection portion 51, and therefore, it can be seen that the first pins 42 are connected with the first connection portion 41 to form an L shape, and the second pins 52 are connected with the second connection portion 51 to form an L shape, so that the first pins 42 and the second pins 52 vertically penetrate through the insertion holes 21 of the bottom plate 2 respectively, and tight fit installation between the pins and the bottom plate 2 is achieved. Because the first connecting portion 41 and the second connecting portion 51 have a section of the same direction extending distance in the transition space 3, the insulating structure is a first partition plate 31 disposed between the first connecting portion 41 and the second connecting portion 51, the first partition plate 31 is connected to the bottom side of the housing base 1 in a step shape, the first partition plate 31 partitions the transition space 3 into a first partition groove suitable for accommodating the first connecting portion 41 and a second partition groove suitable for accommodating the second connecting portion 51, and two open slots communicating with the transition space 3 are disposed between the bottom side of the housing base 1 and the first partition plate 31, so that the static conductive plate 5 and the movable conductive plate 4 respectively extend into the transition space 3 through the two open slots and form the first connecting portion 41 and the second connecting portion 51. According to the structure, the first connecting part 41 and the second connecting part 51 are arranged vertically and separately through the first partition plate 31, so that the safe electric gap between the static conductive plate 5 and the movable conductive plate 4 in the transition space 3 is increased, the insulating performance of the static conductive plate and the movable conductive plate in the transition space is strong enough, the creepage short circuit is avoided, the product compressive strength test is met, and the use safety and reliability of the product are ensured.

In this embodiment, as shown in fig. 2, a coil assembly 6, a magnetic yoke 7 and an armature structure 8 are disposed in the housing base 1, and a push rod 9 connecting the armature structure 8 and the moving spring assembly 10, the armature structure 8 is rotatably disposed on the housing base 1, the push rod 9 drives the moving contact of the moving spring assembly 10 to contact with or separate from the fixed contact 50 under the driving of the armature structure 8, where the coil assembly includes a plurality of coil pins 61 disposed between the housing base 1 and the bottom plate 2 on the same side, the coil pins 61 are connected with a control power supply by plugging on a circuit board, a plurality of pinholes for allowing the plurality of coil pins 61 to pass are disposed on the bottom plate 2, the pinholes are disposed near the other side edge of the bottom plate 2, in order to improve the mounting strength of the coil pins 61, the bottom plate 2 is provided with a supporting boss 22 corresponding to the coil pins 61, a plurality of guide slots 23 connected with the pinholes are disposed on the supporting boss 22, the guide slots 23 are disposed with guide slots 24 extending to the pinholes between the guide slots 23 and the guide pins 24, and the guide pins 23 are smoothly mounted on the bottom plate 2.

It is further preferable that, since the first connection portion 41 is extended to be close to the coil pins 61, referring to fig. 1 and 3, a second partition plate 32 is disposed between the bottom plate 2 and the housing 1 and is spaced between the first connection portion 41 and the plurality of coil pins 61, and the second partition plate 32 extends along the length direction of the bottom plate by a set distance. This kind of structure setting is through keeping off second baffle 32 between first connecting portion 41 and a plurality of coil contact pin 61 in order to play insulating isolation effect to increase the creepage distance between first connecting portion 41 and the coil contact pin 61, can obtain safe electric gap between the two, guarantee the stable and safety of electric performance of product coil.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. The utility model provides a power control magnetism holds relay, includes the casing with set up in quiet conducting plate (5) and the movable conducting plate (4) of casing, its characterized in that: the shell comprises a bottom plate (2) and a transition space (3) formed between the bottom plate (2) and the shell, wherein the movable conductive plate (4) is provided with a first connecting part (41) which is bent and extends into the transition space (3), and a plurality of first pins (42) which extend out of the bottom plate (2) in a vertical shape by the first connecting part (41); the static conductive plate (5) is provided with a second connecting part (51) which is bent and extends into the transition space (3), and a plurality of second pins (52) which extend out of the bottom plate (2) in a vertical forming mode from the second connecting part (51); an insulating structure separating the first connection portion (41) and the second connection portion (51) is provided in the transition space (3), and a plurality of first pins (42) and a plurality of second pins (52) are arranged on the bottom plate (2) at intervals along the length direction of the bottom plate (2).

2. The power control magnetic latching relay of claim 1, wherein: the shell comprises a shell seat (1) which is arranged opposite to the bottom plate (2) up and down and forms the transition space (3), and the bottom plate (2) is detachably connected with the shell seat (1).

3. The power control magnetic latching relay of claim 2, wherein: the base plate (2) is correspondingly provided with a plurality of jacks (21) through which the first pins (42) and the second pins (52) can pass, and the jacks (21) are sequentially arranged at intervals along the length direction of the base plate (2) and are arranged close to one side edge of the base plate (2).

4. A power control magnetic latching relay according to claim 3, wherein: the first connecting part (41) and the second connecting part (51) are respectively in L-shaped structures and extend in the same direction and are arranged in the transition space (3); two first pins (42) are integrally formed on one side edge of the first connecting portion (41), and two second pins (52) are integrally formed on one side edge of the second connecting portion (51).

5. The power control magnetic latching relay of claim 4, wherein: the insulation structure is a first partition plate (31) arranged between the first connecting part (41) and the second connecting part (51), the first partition plate (31) is connected to the bottom side of the shell seat in a step shape, and the first partition plate (31) divides the transition space (3) into a first partition groove suitable for accommodating the first connecting part (41) and a second partition groove suitable for accommodating the second connecting part (51).

6. The power control magnetic latching relay of claim 5, wherein: two notch openings which are communicated with the transition space (3) are formed between the bottom side of the shell seat (1) and the first partition plate (31), and the static conductive plate (5) and the movable conductive plate (4) penetrate through the two notch openings and respectively extend into the transition space (3).

7. The power control magnetic latching relay according to any of claims 2-6, wherein: the shell seat (1) is internally provided with a coil assembly (6), a magnetic yoke (7) and an armature structure (8), and a push rod (9) for connecting the armature structure (8) with a movable spring assembly (10).

8. The power control magnetic latching relay of claim 7, wherein: the coil assembly comprises a plurality of coil pins (61) which are arranged between the shell seat (1) and the bottom plate (2) on the same side, and a plurality of pinholes through which the coil pins (61) can pass are arranged on the bottom plate (2).

9. The power control magnetic latching relay of claim 8, wherein: the base plate (2) is provided with a supporting boss (22) corresponding to the coil contact pin (61), a plurality of guide slots (23) connected with a plurality of pinholes are arranged on the supporting boss (22), guide inclined planes (24) extending to the positions of the pinholes are arranged in the guide slots (23), and the contact pins are inserted into the pinholes through the guide slots (23).

10. The power control magnetic latching relay of claim 9, wherein: a second partition plate (32) is arranged between the bottom plate (2) and the shell seat (1) and is separated between the first connecting part (41) and the plurality of coil pins (61), and the second partition plate (32) extends for a set distance along the length direction of the bottom shell.