CN213691881U

CN213691881U - Combined type large-current relay with good heat dissipation

Info

Publication number: CN213691881U
Application number: CN202021651167.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanxi Yale Video Electronics Co ltd
Current assignee: Shanxi Yale Video Electronics Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-07-13
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a combination formula heavy current relay that heat dissipation is good, including the fixing base, still include: the wire holder is fixedly arranged in the middle of the top end of the fixed seat; the wiring terminals are fixedly arranged at the bottom ends of the grooves on the left side and the right side of the wiring seat; the relay main body is fixedly arranged in the middle of the top end of the wire holder; the two heat-conducting fins are respectively fixedly arranged on the left side and the right side of the relay main body along the vertical direction and are tightly attached to the relay main body; the cover plate, cover plate detachable joint is in the top of fixing base. This combination formula heavy current relay that heat dissipation is good carries out powerful heat dissipation to the relay main part of cover plate inside through the mutually supporting effect between cooling body, ventilation hole and the conducting strip, has certain dustproof effect simultaneously, has guaranteed the load capacity and the life of electrical apparatus.

Description

Combined type large-current relay with good heat dissipation

Technical Field

The utility model relates to a relay technical field specifically is a combination formula heavy current relay that heat dissipation is good.

Background

The relay is an electric control device, when the change of input quantity (excitation quantity) reaches the specified requirement, it makes the controlled quantity produce a predetermined step change in the electric output circuit, it has the interactive relation between control system (also called input loop) and controlled system (also called output loop), usually apply to the automatic control circuit, it is a kind of "automatic switch" that uses the small current to control the operation of the great current actually, so play the role of automatic regulation, safety protection, switching circuit, etc. in the circuit;

present traditional relay all can take place the fusing in the contact department after using for a long time, phenomenons such as butt fusion and solidification can lead to the relay to generate heat, the load of relay is obviously relevant with ambient temperature, relay load capacity descends rapidly when the temperature risees, the relay characteristic descends, can cause permanent damage even, can't guarantee its life, and also can get into certain dust and adhere to inside the relay after using a period, influence its radiating efficiency, protective effect to the relay is relatively poor, be difficult to carry out accurate heat dissipation according to its position that generates heat.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula heavy current relay that heat dissipation is good to the temperature that provides rises among the solution prior art and influences relay load capacity, can't guarantee its life and be difficult to carry out accurate radiating problem according to the position of generating heat.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula heavy current relay that heat dissipation is good, includes the fixing base, still includes:

the wire holder is fixedly arranged in the middle of the top end of the fixed seat;

the wiring terminals are fixedly arranged at the bottom ends of the grooves on the left side and the right side of the wiring seat;

the relay main body is fixedly arranged in the middle of the top end of the wire holder;

the two heat-conducting fins are respectively fixedly arranged on the left side and the right side of the relay main body along the vertical direction and are tightly attached to the relay main body;

the cover plate is detachably clamped at the top end of the fixed seat;

the cooling mechanisms are fixedly arranged in the inner walls of the left side and the right side of the cover plate;

the fixing mechanisms are fixedly arranged in the middle positions of the front side and the rear side of the cover plate;

the wire holder comprises four fixing columns, wherein every two fixing columns are a group and are fixedly installed at the left end and the right end of the front side and the rear side of the wire holder respectively along the vertical direction, and triangular grooves are formed in the left side and the right side of the bottom ends of the fixing columns.

Preferably, the cooling mechanism includes: the two protective covers are respectively and fixedly arranged in the middle positions of the left end and the right end of the cover plate and are positioned outside the cover plate, and a plurality of strip-shaped through holes distributed annularly are formed in the protective covers; the two fans can rotate around the axes of the fans and are arranged in the inner cavities at the left side and the right side of the cover plate respectively; and the two dust screens are respectively fixedly attached to the left side and the right side of the inner wall of the cover plate and are positioned on the inner side of the fan.

Preferably, the fixing mechanism includes: the two fixed blocks are respectively and fixedly arranged in the middle of the front end and the rear end of the cover plate; the handle is arranged in the inner cavity of the fixed block and can move in the front-back direction, and the front end of the handle extends to the outer side of the fixed block; the middle part of the connecting rod is fixedly connected to the rear end of the handle and is arranged in the inner cavity of the fixing block along the left-right direction; the two moving blocks are fixedly connected to the left side and the right side of the connecting rod respectively along the front-back direction; the spring is fixedly clamped on the front side of the moving block and is positioned in an inner cavity of the fixed block; the two rotating shafts can rotate around the axes of the two rotating shafts in the front-back direction and are arranged in the inner cavities at the left end and the right end of the rear side of the moving block; the torsional spring is fixedly sleeved on the outer side of the outer wall of the rotating shaft, and the stressed end of the torsional spring is fixedly clamped on the fixed block; the inclined block is fixedly sleeved in the middle of the outer wall of the rotating shaft.

Preferably, the shape and size of the inclined block are matched with the shape and size of a groove formed in the bottom end of the fixed column.

Preferably, the wire holder is further provided with: the ventilation hole, a plurality of the ventilation hole is all seted up along the left right direction in the connection terminal, and with a plurality of the position phase-match of terminal.

Preferably, the cover plate is further provided with: the transparent plates are fixedly arranged in the middle positions of the front side and the rear side of the cover plate; the wire clamping grooves are fixedly arranged on the left side and the right side of the bottom end of the cover plate in the left-right direction.

Compared with the prior art, the beneficial effects of the utility model are that: this combination formula heavy current relay that heat dissipation is good, through cooling body, the mutual mating reaction between ventilation hole and the conducting strip carries out powerful heat dissipation to the relay main part of cover plate inside, certain dustproof effect has simultaneously, can effectually reduce the temperature of relay inside and surrounding air, the load capacity and the characteristic of electrical apparatus have been guaranteed, avoid causing the condition that the relay damaged, the life of relay has been guaranteed, also can play certain protection effect to the relay through the cover plate simultaneously.

Drawings

FIG. 1 is a schematic structural view of a middle connection base of the present invention;

fig. 2 is a schematic structural diagram of a middle cover plate of the present invention;

FIG. 3 is a schematic bottom view and sectional view of the middle cover plate of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: 1. fixing base, 2, wire holder, 3, terminal, 4, relay main part, 5, conducting strip, 6, cover plate, 7, cooling body, 8, fixed establishment, 9, transparent plate, 10, fixed column, 11, ventilation hole, 12, card wire casing, 71, safety cover, 72, fan, 73, dust screen, 81, fixed block, 82, handle, 83, connecting rod, 84, movable block, 85, spring, 86, pivot, 87, torsional spring, 88, slope piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a combination formula heavy current relay that heat dissipation is good, includes fixing base 1, still includes: the relay comprises a wire holder 2, a wiring terminal 3, a relay main body 4, a heat conducting strip 5, a cover plate 6, a cooling mechanism 7, a fixing mechanism 8 and a fixing column 10, wherein the wire holder 2 is fixedly arranged in the middle of the top end of a fixing seat 1; the wiring terminals 3 are fixedly arranged at the bottom ends of the grooves on the left side and the right side of the wiring seat 2 and are used for connecting external circuits; the relay main body 4 is fixedly arranged in the middle of the top end of the wire holder 2; the two heat-conducting fins 5 are respectively fixedly arranged on the left side and the right side of the relay main body 4 along the vertical direction, are tightly attached to the relay main body 4 and can lead out heat inside the relay main body 4; the cover plate 6 is detachably clamped at the top end of the fixed seat 1, and plays a certain role in protecting the relay main body 4; the cooling mechanism 7 is fixedly arranged in the inner walls of the left side and the right side of the cover plate 6; the fixing mechanism 8 is fixedly arranged in the middle of the front side and the rear side of the cover plate 6; every two of four fixed columns 10 are a set of and are respectively along upper and lower direction fixed mounting at the both ends about wire holder 2 front and back both sides, and the triangle-shaped recess has all been seted up to the left and right sides of fixed column 10 bottom.

Preferably, the cooling mechanism 7 further includes: the protective cover comprises a protective cover 71, a fan 72 and a dustproof net 73, wherein the two protective covers 71 are respectively and fixedly arranged in the middle positions of the left end and the right end of the cover plate 6 and positioned on the outer side of the cover plate 6, and a plurality of strip-shaped through holes distributed annularly are formed in the protective cover 71; the two fans 72 are respectively arranged in the inner cavities at the left side and the right side of the cover plate 6 and can rotate around the axes of the fans; the two dust screens 73 are respectively fixed to the left and right sides of the inner wall of the cover plate 6 and located inside the fan 72, so that dust can be prevented from entering the cover plate 6.

Preferably, the fixing mechanism 8 further includes: the fixing blocks 81, the handle 82, the connecting rod 83, the moving block 84, the spring 85, the rotating shaft 86, the torsion spring 87 and the inclined block 88 are fixedly arranged in the middle of the front end and the rear end of the hood plate 6 respectively; the handle 82 is movably arranged in the cavity of the fixed block 81 along the front-back direction, and the front end of the handle extends to the outer side of the fixed block 81; the middle part of the connecting rod 83 is fixedly connected to the rear end of the handle 82 and arranged in the inner cavity of the fixing block 81 along the left-right direction; the two moving blocks 84 are fixedly connected to the left and right sides of the connecting rod 83 along the front-rear direction, respectively; the spring 85 is fixedly clamped at the front side of the moving block 84 and is positioned in the inner cavity of the fixed block 81; the two rotating shafts 86 are arranged in inner cavities at the left end and the right end of the rear side of the moving block 84 and can rotate around the axes of the rotating shafts along the front-back direction; the torsion spring 87 is fixedly sleeved on the outer side of the outer wall of the rotating shaft 86, and the stressed end of the torsion spring is fixedly clamped on the fixed block 81; the inclined block 88 is fixedly sleeved in the middle of the outer wall of the rotating shaft 86, and the cover plate can be locked above the fixed seat 1 through the fixing mechanism 8.

Preferably, the shape and size of the inclined block 88 is matched with the shape and size of a groove formed at the bottom end of the fixed column 10, so that the inclined block 88 can be clamped on the inner side of the fixed column 10.

Preferably, the wire holder 2 further includes: ventilation hole 11, a plurality of ventilation hole 11 are all seted up in connection terminal 2 along the left and right directions, and with the position phase-match of a plurality of terminal 3 to realize accurate heat dissipation.

Preferably, the cover plate 6 further has mounted thereon: the transparent plate 9 is fixedly arranged in the middle of the front side and the rear side of the cover plate 6; a plurality of wire clamping grooves 12 are fixedly arranged on the left side and the right side of the bottom end of the cover plate 6 in the left-right direction, and the device is convenient to install, check and maintain subsequently.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

In the actual use process of the device, the external circuit is connected through the wiring terminal 3 to work, the cover plate 6 is buckled on the outer side of the relay main body 4, the cooling mechanism 7 is used for cooling the inner space of the cover plate 6 and the relay main body 4, when the cover plate 6 is buckled on the outer side of the relay, the inclined block 88 is firstly contacted with the fixed column 10, the inclined block 88 and the rotating shaft 86 are simultaneously forced to rotate, the torsion spring 87 sleeved on the outer side of the rotating shaft 86 is stored until the torsion spring moves into the grooves on the left side and the right side of the fixed column 10, the inclined block 88 is clamped in the grooves on the left side and the right side of the bottom end of the moving block 84 under the pushing force of the torsion spring 87 to achieve a locking state, if the locking state of the cover plate 6 needs to be released, a worker simultaneously pulls the handles 82 on the front side and the rear side and drives the, after the locking state is relieved, cover plate 6 can be directly mentioned mutually to the top, this device accelerates inside circulation of air speed through two fans 72 in the cooling body 7, and cooperate the air vent can be accurate carry out accurate heat dissipation to terminal 3, can in time derive the heat of relay inside production through conducting strip 5, and cooperate fan 72 to cool off the heat dissipation, can intercept the dust in the entering air through dust screen 73, this device can carry out powerful heat dissipation to relay main part 4, certain dustproof effect has simultaneously, the load capacity of electrical apparatus has been guaranteed, characteristics and life, also can play certain protection effect to the relay through cover plate 6 simultaneously.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "both ends" and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a combination formula heavy current relay that heat dissipation is good, includes fixing base (1), its characterized in that still includes:

the wire holder (2), the wire holder (2) is fixedly arranged in the middle of the top end of the fixed seat (1);

the wiring terminals (3) are fixedly arranged at the bottom ends of the grooves on the left side and the right side of the wiring seat (2);

the relay main body (4), the relay main body (4) is fixedly arranged in the middle of the top end of the wire holder (2);

the two heat-conducting fins (5) are respectively fixedly arranged on the left side and the right side of the relay main body (4) along the vertical direction and are tightly attached to the relay main body (4);

the cover plate (6), the said cover plate (6) is connected on the top of the said fixed seat (1) of the removable joint;

the cooling mechanism (7), the said cooling mechanism (7) is fixedly mounted in the inboard wall of the left and right sides of the said cover plate (6);

the fixing mechanism (8), the said fixing mechanism (8) is fixedly mounted in the middle position of both sides in front and at the back of the said cover plate (6);

every two fixing columns (10) are a group of four fixing columns (10) and are fixedly installed at the left end and the right end of the front side and the rear side of the wire holder (2) along the vertical direction, and triangular grooves are formed in the left side and the right side of the bottom end of each fixing column (10).

2. The combined high-current relay with good heat dissipation performance as claimed in claim 1, wherein: the cooling mechanism (7) comprises:

the two protective covers (71) are respectively fixedly arranged in the middle positions of the left end and the right end of the cover plate (6) and positioned outside the cover plate (6), and a plurality of strip-shaped through holes distributed in an annular mode are formed in each protective cover (71);

the two fans (72) are respectively arranged in the inner cavities at the left side and the right side of the cover plate (6) and can rotate around the axes of the fans (72);

the dustproof nets (73) are fixedly attached to the left side and the right side of the inner wall of the cover plate (6) respectively, and are located on the inner sides of the fans (72).

3. The combined high-current relay with good heat dissipation performance as claimed in claim 1, wherein: the fixing mechanism (8) comprises:

the two fixing blocks (81) are respectively fixedly arranged in the middle of the front end and the rear end of the cover plate (6);

the handle (82) is movably arranged in the cavity of the fixed block (81) along the front-back direction, and the front end of the handle (82) extends to the outer side of the fixed block (81);

the middle part of the connecting rod (83) is fixedly connected to the rear end of the handle (82) and is arranged in the inner cavity of the fixing block (81) along the left-right direction;

the two moving blocks (84) are respectively fixedly connected to the left side and the right side of the connecting rod (83) along the front-back direction;

the spring (85) is fixedly clamped on the front side of the moving block (84) and is positioned in an inner cavity of the fixed block (81);

the two rotating shafts (86) are arranged in inner cavities at the left end and the right end of the rear side of the moving block (84) and can rotate around the axes of the rotating shafts (86) along the front-rear direction;

the torsion spring (87) is fixedly sleeved on the outer side of the outer wall of the rotating shaft (86), and the stressed end of the torsion spring (87) is fixedly clamped on the fixed block (81);

the inclined block (88), the inclined block (88) is fixedly sleeved in the middle of the outer wall of the rotating shaft (86).

4. The combined high-current relay with good heat dissipation performance as claimed in claim 3, wherein: the shape and size of the inclined block (88) are matched with the shape and size of a groove formed in the bottom end of the fixed column (10).

5. The combined high-current relay with good heat dissipation performance as claimed in claim 1, wherein: the wire holder (2) is also provided with:

ventilation hole (11), a plurality of ventilation hole (11) are all seted up along the left right direction in wire holder (2), and with a plurality of the position phase-match of terminal (3).

6. The combined high-current relay with good heat dissipation performance as claimed in claim 1, wherein: the cover plate (6) is also provided with:

the transparent plate (9), the said transparent plate (9) is fixedly mounted in the middle position of both sides before and after the said cover plate (6);

the wire clamping grooves (12) are formed in the left side and the right side of the bottom end of the cover plate (6) in a fixed mode, and the wire clamping grooves (12) are arranged in the left side and the right side in a fixed mode.