CN110648882A

CN110648882A - Relay with external heat dissipation seat

Info

Publication number: CN110648882A
Application number: CN201910911693.2A
Authority: CN
Inventors: 张金珠
Original assignee: Haiyan Weijia Electrical Appliance Technology Co Ltd
Current assignee: Haiyan Weijia Electrical Appliance Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-01-03

Abstract

The invention discloses a relay with an external heat dissipation seat, which comprises a base, an upper cover matched with the base, a relay body element positioned in the base and a water tank fixed below the base, wherein a side plate of the base comprises an insulating plate and a heat conducting plate which are sequentially arranged from inside to outside, the upper cover is provided with a plurality of first vents communicated with an inner cavity of the base, the relay body element comprises a coil component, a magnetic steel component, a dead point component, a moving point component and a pushing sheet, the coil component drives the pushing sheet to move through the magnetic steel component so as to enable the moving point component to be close to or far away from the dead point component, the bottom end of the heat conducting plate is provided with a plurality of anti-corrosion metal sheets, and the anti-corrosion metal sheets are downwards inserted into the water tank, so that the noise is.

Description

Relay with external heat dissipation seat

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of relays, in particular to the technical field of relays with external heat dissipation seats.

[ background of the invention ]

The magnetic latching relay is a new type relay developed in recent years, and plays a role in automatically switching on and off a circuit. When the contact of the relay needs to be in an open or close state, the on-off state of the relay can be instantly switched by only exciting the coil by using positive direct current pulse voltage. Normally, when the contact is in the hold state, the coil does not need to be energized, and the relay state can be maintained by only the magnetic force of the permanent magnet.

The existing relay is in a working state, electronic elements are easy to heat, heat is generally dissipated only through the heat dissipation holes formed in the shell, and internal heat is difficult to discharge in time, so that certain parts are damaged, the service life of the relay is shortened, and the using requirements of consumers cannot be met.

[ summary of the invention ]

The invention aims to solve the problems in the prior art and provides a relay with an external heat dissipation seat, which is low in noise and good in cooling effect.

In order to achieve the purpose, the invention provides a relay with an external heat dissipation seat, which comprises a base, an upper cover matched with the base, a relay body element positioned in the base and a water tank fixed below the base, wherein a side plate of the base comprises an insulation plate and a heat conduction plate which are sequentially arranged from inside to outside, the upper cover is provided with a plurality of first vents communicated with an inner cavity of the base, the relay body element comprises a coil component, a magnetic steel component, a dead point component, a moving point component and a pushing sheet, the coil component drives the pushing sheet to move through the magnetic steel component so as to enable the moving point component to be close to or far away from the dead point component, the bottom end of the heat conduction plate is provided with a plurality of anti-corrosion metal sheets, and the anti-corrosion metal sheets are downwards inserted into.

As preferred, the magnet steel assembly includes the magnet steel, fixes the armature in magnet steel left and right sides and formation clearance, fixes the card post in the magnet steel front side and is located the pivot of magnet steel central authorities, the coil pack comprises coil and yoke and the tip of yoke inserts respectively in the clearance of left and right sides armature, promote the piece and block the post joint and drive the moving point subassembly contact that is located one end in the base or keep away from with the corresponding quiet point subassembly of moving point subassembly.

Preferably, the fixed point assembly comprises a fixed lead-out piece and a fixed contact fixed on one side of the fixed lead-out piece, the movable point assembly comprises a movable spring piece, a movable contact and a movable lead-out piece, the movable contact and the movable lead-out piece are respectively fixed on two sides of the movable spring piece, the fixed contact and the movable contact are oppositely arranged, and one end of the fixed lead-out piece and one end of the movable lead-out piece respectively penetrate through a side plate of the base.

Preferably, the upper end and the lower end of the water tank are respectively provided with a water inlet and a water outlet, and the water inlet and the water outlet are sealed through end covers.

The invention has the beneficial effects that: according to the invention, the armature iron is attracted through the yoke iron to drive the magnetic steel to rotate, and the linear motion of the pushing sheet is utilized to control the opening and closing of the relay body element; continuously absorb the heat that relay body component gived off through the heat-conducting plate, effectively reduce the temperature of base inner chamber, recycle the anticorrosion sheetmetal with the heat transfer of heat-conducting plate to in the water tank to guarantee the effect of heat-conducting plate, the radiating effect is good, need not the fan, the noise is little.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

FIG. 1 is a front view of a relay with an external heat sink in accordance with the present invention;

FIG. 2 is a schematic diagram of a relay with an external heat sink according to the present invention, with the water tank removed;

FIG. 3 is a top view of a relay with an external heat sink of the present invention with the water tank and the top cover removed;

fig. 4 is a cross-sectional view of a side plate of a base of a relay with an external heat sink of the present invention.

In the figure: 1-base, 11-side plate, 111-insulating plate, 112-heat conducting plate, 113-corrosion-proof metal sheet, 2-upper cover, 21-first ventilation opening, 3-coil component, 31-coil, 32-yoke, 4-magnetic steel component, 41-magnetic steel, 42-armature, 43-clamping column, 44-rotating shaft, 5-stationary point component, 51-stationary leading-out sheet, 52-stationary contact, 6-moving point component, 61-moving contact, 62-moving reed, 63-moving leading-out sheet, 7-pushing sheet, 8-water tank, 81-water inlet, 82-water outlet.

[ detailed description ] embodiments

Referring to fig. 1 to 4, the relay with the external heat sink of the present invention comprises a base 1, an upper cover 2 matched with the base 1, a relay body element located in the base 1, and a water tank 8 fixed under the base 1, wherein a side plate 11 of the base 1 comprises an insulating plate 111 and a heat conducting plate 112 sequentially arranged from inside to outside, the upper cover 2 is provided with a plurality of first vents 21 communicated with an inner cavity of the base 1, the relay body element comprises a coil component 3, a magnetic steel component 4, a stationary point component 5, a moving point component 6 and a pushing sheet 7, the coil component 3 drives the pushing sheet 7 to move through the magnetic steel component 4 so as to enable the moving point component 6 to approach or leave the stationary point component 5, the bottom end of the heat conducting plate 112 is provided with a plurality of anti-corrosion metal sheets 113, the anti-corrosion metal sheets 113 are downwards inserted into the water tank 8, the magnetic steel component 4 comprises a magnetic steel 41, the coil assembly 3 is composed of a coil 31 and a yoke 32, the end of the yoke 32 is inserted into the gap between the left armature 42 and the right armature 42, the push sheet 7 is clamped with the clamping column 43 and drives the moving contact assembly 6 at one end in the base 1 to contact or to be far away from the stationary contact assembly 5 corresponding to the moving contact assembly 6, the stationary contact assembly 5 comprises a stationary lead-out sheet 51 and a stationary contact 52 fixed at one side of the stationary lead-out sheet 51, the moving contact assembly 6 comprises a moving spring sheet 62 and a moving contact 61 and a moving lead-out sheet 63 fixed at two sides of the moving spring sheet 62, the stationary contact 52 and the moving contact 61 are arranged oppositely, one ends of the stationary lead-out sheet 51 and the moving lead-out sheet 63 respectively penetrate through the side plate 11 of the base 1, the upper end and the lower end of the water tank 8 are respectively provided with a water inlet 81 and a water outlet 82, the water inlet 81 and the water outlet 82 are sealed by end caps.

The working process of the invention is as follows:

in the working process of the relay with the external heat dissipation seat, the coil 31 is electrified, the armature 42 is attracted through the yoke 32, so that the magnetic steel 41 rotates along the rotating shaft 44, the rotating magnetic steel 41 drives the pushing sheet 7 to horizontally and linearly move through the clamping column 43, the moving contact 61 is driven to move, and the separation and reunion between the moving contact and the opposite static contact 52 are realized, and the purpose of opening or closing the relay is further achieved. During the period, the heat conducting plate 112 continuously absorbs heat from the inner cavity of the base 1, the temperature of the relay body element is reduced, and the corrosion-proof metal sheet 113 transfers heat from the heat conducting plate 112 to the water in the water tank 8, so that the heat conducting plate 112 is cooled.

According to the invention, the armature iron is attracted through the yoke iron to drive the magnetic steel to rotate, and the linear motion of the pushing sheet is utilized to control the opening and closing of the relay body element; continuously absorb the heat that relay body component gived off through the heat-conducting plate, effectively reduce the temperature of base inner chamber, recycle the anticorrosion sheetmetal with the heat transfer of heat-conducting plate to in the water tank to guarantee the effect of heat-conducting plate, the radiating effect is good, need not the fan, the noise is little.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a relay with external radiating seat which characterized in that: comprises a base (1), an upper cover (2) matched with the base (1), a relay body element positioned in the base (1) and a water tank (8) fixed below the base (1), the side plate (11) of the base (1) comprises an insulating plate (111) and a heat conducting plate (112) which are arranged in sequence from inside to outside, the upper cover (2) is provided with a plurality of first ventilation openings (21) communicated with the inner cavity of the base (1), the relay body element comprises a coil component (3), a magnetic steel component (4), a dead point component (5), a moving point component (6) and a pushing sheet (7), the coil component (3) drives the pushing piece (7) to move through the magnetic steel component (4) so as to enable the moving point component (6) to be close to or far away from the fixed point component (5), the bottom end of the heat conducting plate (112) is provided with a plurality of anti-corrosion metal sheets (113), and the anti-corrosion metal sheets (113) are downwards inserted into the water tank (8).

2. The relay with the external heat sink of claim 1, wherein: magnet steel component (4) include magnet steel (41), fix armature (42) in magnet steel (41) left and right sides and formation clearance, fix card post (43) in magnet steel (41) front side and be located pivot (44) of magnet steel (41) central authorities, coil pack (3) are constituteed and the tip of yoke (32) inserts respectively in the clearance of left and right sides armature (42) by coil (31) and yoke (32), promote piece (7) and card post (43) joint and drive and be located base (1) one end move some subassembly (6) contact or keep away from and move some subassembly (5) corresponding quiet point subassembly (6).

3. The relay with the external heat sink of claim 1, wherein: the fixed point component (5) comprises a fixed lead-out piece (51) and a fixed contact (52) fixed on one side of the fixed lead-out piece (51), the movable point component (6) comprises a movable spring piece (62), a movable contact (61) and a movable lead-out piece (63) which are respectively fixed on two sides of the movable spring piece (62), the fixed contact (52) and the movable contact (61) are oppositely arranged, and one end of the fixed lead-out piece (51) and one end of the movable lead-out piece (63) respectively penetrate through a side plate (11) of the base (1).

4. The relay with the external heat sink of claim 1, wherein: the upper end and the lower end of the water tank (8) are respectively provided with a water inlet (81) and a water outlet (82), and the water inlet (81) and the water outlet (82) are sealed through end covers.