CN216213159U

CN216213159U - Low-temperature-rise single-pole double-throw power relay

Info

Publication number: CN216213159U
Application number: CN202122640688.8U
Authority: CN
Inventors: 李文杰; 谢永杰; 胡恩良
Original assignee: Huizhou Qunchuang Electronic Co ltd
Current assignee: Huizhou Qunchuang Electronic Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a low-temperature-rise single-pole double-throw power relay which comprises a main board body, a relay main body and heat dissipation fins, wherein the relay main body is fixedly connected to the top of the main board body, the top of the relay main body is fixedly connected with the heat dissipation fins, rectangular limiting pipes are fixedly connected to two sides of the relay main body, hollow square blocks are fixedly connected to the side walls of the rectangular limiting pipes, and wedge blocks are arranged inside the hollow square blocks. The utility model has the beneficial effects that: when the relay is used, the relay main body and the radiating fins are arranged to be split, the radiating fins are conveniently installed and fixed at the top of the relay main body when the relay is used, the radiating performance of the outer shell of the relay main body is improved, and after the relay main body is installed and fixed, the radiating fins are convenient to detach and clean in the later period, so that the radiating performance of the outer shell of the relay main body is guaranteed to be stable for a long time, the low temperature rise of the single-pole double-throw power relay is achieved, and the stability in use of the relay main body is guaranteed.

Description

Low-temperature-rise single-pole double-throw power relay

Technical Field

The utility model relates to a relay, in particular to a low-temperature-rise single-pole double-throw power relay, and belongs to the technical field of relays.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement. It has an interactive relationship between the control system and the controlled system. It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

When the existing single-pole double-throw power relay is used, the heat dissipation capacity is poor, and particularly, when dust is accumulated on a heat dissipation sheet on the relay in the later period, the heat dissipation capacity is inconvenient to clean, so that the overall temperature of the relay is increased, the stability in use of the relay is difficult to ensure, and aiming at the defects of the prior art, the utility model provides a low-temperature-rise single-pole double-throw power relay to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a low-temperature-rise single-pole double-throw power relay, when the relay is used, a relay main body and radiating fins are arranged to be split, the radiating fins are conveniently installed and fixed on the top of the relay main body when the relay is used, the radiating performance of an outer shell of the relay main body is improved, and after the relay main body is installed and fixed, the radiating fins are conveniently detached and cleaned at the later stage, so that the radiating performance of the outer shell of the relay main body is ensured to be stable for a long time, the low temperature rise of the single-pole double-throw power relay is realized, and the stable use of the relay main body is ensured.

The utility model realizes the purpose through the following technical scheme, and the low-temperature-rise single-pole double-throw power relay comprises a main board body, a relay main body and radiating fins, wherein the relay main body is fixedly connected to the top of the main board body;

radiating fin's bottom fixedly connected with PMKD, PMKD's bottom fixedly connected with contact conduction piece, the post is inserted to PMKD's bottom fixedly connected with rectangle still, the rectangle is inserted the post activity and is pegged graft in the lumen of the spacing pipe of rectangle, the screens notch has been seted up on the lateral wall of post is inserted to the rectangle, the wedge passes the spacing pipe of cavity square and rectangle and activity joint in the screens notch.

Preferably, the lateral supporting pipe sleeve is fixedly connected to the side wall of the relay main body, the circular inserting column is fixedly connected to the bottom of the fixing base plate, and the circular inserting column is movably clamped inside the lateral supporting pipe sleeve.

Preferably, the inside of cavity square is equipped with the inner chamber, fixedly connected with spring in the inner chamber of cavity square, the tip fixedly connected with slider of spring, wedge fixed connection is on the slider.

Preferably, the top of the sliding block is fixedly connected with a sliding handle, and the hollow square block is provided with a sliding groove corresponding to the sliding handle.

Preferably, the bottom of the contact conductive sheet is attached to the top wall of the heat dissipation and conduction sheet.

Preferably, the spring is in a compressed state, and the slider is slidably connected in an inner cavity of the hollow square block.

The utility model has the beneficial effects that:

this low temperature rise single-pole double-throw power relay, when using, set up relay main part and heat radiation fins into split type to convenient during the use fix the heat radiation fins installation at the top of relay main part, improve the shell body thermal diffusivity of relay main part, and after the installation is fixed, the clearance is convenient for pull down in the heat radiation fins later stage, consequently guarantee to the long-term stability of the heat dispersion of the shell body of relay main part, realize the low temperature rise of single-pole double-throw power relay, thereby guarantee that the use of relay main part is stable.

This low temperature rises single-pole double-throw power relay, the cooperation of the circular post of inserting and the side direction support pipe box that sets up can realize the installation location when installing relay main part to heat radiation fin, also can form the side direction support of kneck after the installation, guarantees that the installation is fixed stable.

Drawings

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

fig. 2 is an exploded view of the relay body and heat sink fins of the present invention;

FIG. 3 is a bottom structure view of the heat sink of the present invention;

FIG. 4 is a block diagram of a relay body according to the present invention;

fig. 5 is a cross-sectional view of the hollow block of the present invention.

In the figure: 1. a main board main body; 2. a relay main body; 201. a heat dissipating and conducting fin; 202. a rectangular limiting pipe; 203. a lateral support sleeve; 3. heat dissipation fins; 301. fixing the bottom plate; 3011. a contact conductive sheet; 302. rectangular inserting columns; 3021. a clamping notch; 303. circular inserting columns; 4. a hollow square block; 401. a wedge block; 402. a slider; 403. a spring; 404. the handle is slid.

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. 1-5, a low temperature rise single-pole double-throw power relay includes a main board body 1, a relay body 2 and heat dissipation fins 3, wherein the relay body 2 is fixedly connected to the top of the main board body 1, the top of the relay body 2 is fixedly connected with heat dissipation heat conduction fins 201, two sides of the relay body 2 are fixedly connected with rectangular limiting tubes 202, side walls of the rectangular limiting tubes 202 are fixedly connected with hollow blocks 4, and wedge blocks 401 are arranged inside the hollow blocks 4;

the bottom of heat radiation fin 3 is fixedly connected with PMKD 301, PMKD 301's bottom fixedly connected with contact conduction piece 3011, and the bottom of PMKD 301 is fixedly connected with rectangle inserted column 302 still, and rectangle inserted column 302 activity is pegged graft in the lumen of the spacing pipe 202 of rectangle, has seted up screens notch 3021 on the lateral wall of rectangle inserted column 302, and wedge 401 passes the spacing pipe 202 of cavity square 4 and rectangle and activity joint in screens notch 3021.

According to the attached

drawings

1 and 2, the lateral supporting pipe sleeve 203 is fixedly connected to the side wall of the relay main body 2, the circular inserting column 303 is fixedly connected to the bottom of the fixing base plate 301, the circular inserting column 303 is movably clamped inside the lateral supporting pipe sleeve 203, the circular inserting column 303 and the lateral supporting pipe sleeve 203 are matched, the installation and the positioning of the heat dissipation fins 3 when the relay main body 2 is installed can be achieved, the lateral supporting of an interface can be formed after the installation, and the installation is guaranteed to be fixed and stable.

According to the attached fig. 1 and 5, an inner cavity is formed inside the hollow block 4, a spring 403 is fixedly connected in the inner cavity of the hollow block 4, a sliding block 402 is fixedly connected to the end of the spring 403, the wedge block 401 is fixedly connected to the sliding block 402, and the spring 403 is arranged to have elastic force on the wedge block 401 and the sliding block 402 as a whole.

According to the illustration in fig. 5, the top of the sliding block 402 is fixedly connected with a sliding handle 404, the hollow block 4 is provided with a sliding groove corresponding to the sliding handle 404, and the sliding handle 404 can ensure that the sliding block 402 and the wedge block 401 can slide integrally and conveniently.

As shown in fig. 1 and 2, the bottom of the contact conductive sheet 3011 is attached to the top wall of the heat dissipating and conducting sheet 201, the contact conductive sheet 3011 and the heat dissipating and conducting sheet 201 have good attachment, and a layer of silicone grease is coated between the contact conductive sheet 3011 and the heat dissipating and conducting sheet 201 to enhance the heat conducting effect.

According to fig. 5, the spring 403 is in a compressed state, the slider 402 is slidably connected in the inner cavity of the hollow block 4, and the elastic force of the spring 403 is set to stabilize the clamping when the wedge block 401 is clamped into the clamping notch 3021.

When the relay is used, the relay main body 2 and the radiating fins 3 are arranged in a split mode, the radiating fins 3 are conveniently installed and fixed on the top of the relay main body 2 when the relay is used, the radiating performance of the outer shell of the relay main body 2 is improved, and the radiating fins 3 are convenient to detach and clean in the later period after the relay main body is installed and fixed, so that the radiating performance of the outer shell of the relay main body 2 is ensured to be stable for a long time, the low temperature rise of the single-pole double-throw power relay is realized, and the stability in use of the relay main body 2 is ensured.

When the heat dissipation fins 3 are installed and fixed, the circular insertion column 303 is directly inserted into the lateral support pipe sleeve 203 in a manner of aligning with the lateral support pipe sleeve 203, after the insertion, the heat dissipation fins 3 drive the rectangular insertion column 302 to be inserted into the rectangular limit pipe 202, when the rectangular insertion column 302 abuts against the wedge block 401, the inclined surface of the wedge block 401 retracts into the hollow square 4 under pressure to drive the sliding block 402 to transversely slide and extrude the spring 403, after the rectangular insertion column 302 continues to slide downwards, and when the heat dissipation heat conduction sheet 201 is attached to the contact conduction sheet 3011, the position of the clamping notch 3021 corresponds to the position of the wedge block 401, and the spring 403 pushes the wedge block 401 to be clamped into the clamping notch 3021, so that the installation and the fixing of the heat dissipation fins 3 are realized.

When the heat dissipation fins 3 need to be detached for cleaning, the sliding handle 404 is pulled outwards, the wedge block 401 is separated from the clamping groove port 3021, and then the heat dissipation fins 3 are pulled upwards, so that the operation is simple, convenient and fast, and time and labor are saved.

When the relay main body 2 generates heat, the heat is mainly conducted to the heat dissipation and heat conduction sheet 201 through the housing of the relay main body 2, then conducted to the contact conduction sheet 3011 through the heat dissipation and heat conduction sheet 201, and then the contact conduction sheet 3011 transfers the heat to the heat dissipation fins 3, thereby realizing heat dissipation.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low temperature rise single-pole double-throw power relay, includes mainboard main part (1), relay main part (2) and heat radiation fins (3), its characterized in that:

the relay main body (2) is fixedly connected to the top of the main board main body (1), the top of the relay main body (2) is fixedly connected with a heat dissipation heat conduction fin (201), two sides of the relay main body (2) are fixedly connected with rectangular limiting pipes (202), the side walls of the rectangular limiting pipes (202) are fixedly connected with hollow square blocks (4), and wedge blocks (401) are arranged inside the hollow square blocks (4);

bottom fixedly connected with PMKD (301) of heat radiation fin (3), the bottom fixedly connected with contact conduction piece (3011) of PMKD (301), column (302) are inserted to the bottom still fixedly connected with rectangle of PMKD (301), the rectangle is inserted the activity of column (302) and is pegged graft in the lumen of the spacing pipe of rectangle (202), screens notch (3021) has been seted up on the lateral wall of column (302) is inserted to the rectangle, wedge (401) pass cavity square (4) and the spacing pipe of rectangle (202) and activity joint in screens notch (3021).

2. The low temperature rise single-pole double-throw power relay of claim 1, wherein: fixedly connected with side direction support pipe box (203) on the lateral wall of relay main part (2), the circular post (303) of inserting of bottom fixedly connected with of PMKD (301), circular post (303) activity joint is in the inside of side direction support pipe box (203) of inserting.

3. The low temperature rise single-pole double-throw power relay of claim 1, wherein: the inside of cavity square (4) is equipped with the inner chamber, fixedly connected with spring (403) in the inner chamber of cavity square (4), the tip fixedly connected with slider (402) of spring (403), wedge (401) fixed connection is on slider (402).

4. The low temperature rise single-pole double-throw power relay of claim 3, wherein: the top of the sliding block (402) is fixedly connected with a sliding handle (404), and the hollow square block (4) is provided with a sliding groove corresponding to the sliding handle (404).

5. The low temperature rise single-pole double-throw power relay of claim 1, wherein: the bottom of the contact conducting sheet (3011) is attached to the top wall of the heat dissipation and conduction sheet (201).

6. The low temperature rise single-pole double-throw power relay of claim 3, wherein: the spring (403) is in a compressed state, and the sliding block (402) is connected in an inner cavity of the hollow block (4) in a sliding mode.