CN214378262U - Relay with multi-path contact structure - Google Patents
Relay with multi-path contact structure Download PDFInfo
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- CN214378262U CN214378262U CN202023023971.8U CN202023023971U CN214378262U CN 214378262 U CN214378262 U CN 214378262U CN 202023023971 U CN202023023971 U CN 202023023971U CN 214378262 U CN214378262 U CN 214378262U
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Abstract
The utility model discloses a relay with a multi-path contact structure, which comprises a base, a magnetic circuit part and at least two paths of contact parts; the base is provided with at least two grooves which are the same as the contact components in number; the at least two grooves are respectively distributed along two opposite surfaces of the base in an alternating manner, and each groove is positioned in the same row of the base; each path of contact part is respectively arranged in the corresponding groove; the magnetic circuit part is arranged in the base and is linked with the movable spring parts in the contact parts respectively so as to drive the corresponding movable spring parts to act when the magnetic circuit part works, and the increase of temperature rise caused by the increase of rated current is reduced by utilizing the spatial isolation of the installation positions of the contact parts. The utility model discloses can be under the condition that rated current improves, reduce because of the temperature rise influence that the increase of rated current caused, satisfy original temperature rise requirement, eliminate prior art and exceed the drawback that requires to bring because of the relay temperature rise.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a take relay of multichannel contact structure.
Background
A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is commonly used in automatic control circuits, and which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like. When the temperature of the relay exceeds the tolerable temperature, the aging of the internal plastic and insulating materials of the relay is accelerated, so that the contact is oxidized and corroded to cause arc extinguishing difficulty, the technical parameters of electric elements are decayed, and the reliability is reduced. One kind of prior art relay uses a magnetic circuit mechanism to link the two-way contact structure action at the same time, this kind of relay installs the magnetic circuit mechanism and two-way contact structure in the recess that one side of base was established at the same time, though, between magnetic circuit mechanism and contact structure, and all be equipped with the barricade between two-way contact structure, however, because magnetic circuit mechanism and two-way contact structure belong to the one side of base together, have formed and link up each other in the space, when the relay works, electronic components can generate heat because of the passing through of electric current, like this, the temperature rise that magnetic circuit mechanism and two-way contact structure caused will form the stack in the one side of base, prior art is usually through adjusting the rated current to suitable scope, thereby make the product accord with the temperature rise requirement. With the continuous expansion of the application range of the relay, the relay also develops towards the direction of high load and miniaturization, the temperature inside the relay is increased by increasing the rated current, and the problem of how to reduce the temperature rise under the condition of keeping the total volume of the relay unchanged becomes to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, a take relay of multichannel contact structure is provided, through the institutional advancement, can be under the condition that rated current improves, reduce the temperature rise influence that causes because of rated current's increase, satisfy original temperature rise requirement, eliminate because of the relay temperature rise exceeds the inside plastics and the insulating material's of the acceleration relay that the requirement brought ageing, cause the contact to be by the oxidation corrosion arc difficulty that ends, the decay of electric elements technical parameter, and drawbacks such as reliability reduction.
The utility model provides a technical scheme that its technical problem adopted is: a relay with a multi-path contact structure comprises a base, a magnetic circuit part and at least two paths of contact parts; the base is provided with at least two grooves which are the same as the contact parts in number; the at least two grooves are respectively distributed along two opposite surfaces of the base in an alternating manner, and each groove is positioned in the same row of the base; each path of contact part is respectively arranged in the corresponding groove; the magnetic circuit part is arranged in the base and is linked with the movable spring parts in the contact parts respectively so as to drive the corresponding movable spring parts to act when the magnetic circuit part works, and the increase of temperature rise caused by the increase of rated current is reduced by utilizing the spatial isolation of the installation positions of the contact parts.
The magnetic circuit part and one of the at least two paths of contact parts are arranged in the same groove, and the armature part in the magnetic circuit part is connected with the movable spring part in the one path of contact parts so as to drive the corresponding movable spring part to act when the magnetic circuit part works; through holes are further formed between adjacent grooves in each groove, and the armature part in the magnetic circuit part is further connected with the movable spring part in the contact part in the corresponding groove through the corresponding through hole so as to drive the corresponding movable spring part to act when the magnetic circuit part works.
And a retaining wall for realizing strong and weak electric isolation is arranged in the groove for mounting the magnetic circuit part and one of the contact parts together, and the retaining wall is arranged between one of the contact parts and the magnetic circuit part.
The contact part is two-way, and the installation position of one way of contact part in the groove is closer to the other way of contact part relative to the magnetic circuit part.
The armature part in the magnetic circuit part is H-shaped, and two ends of the armature part are respectively connected with the pushing cards and are connected with the movable spring part in the contact part of the corresponding circuit through the corresponding pushing cards; the through hole is provided at a position corresponding to the armature member.
The movable spring parts in the at least two paths of contact parts comprise movable contacts, movable reeds and movable spring leading-out pieces; one end of the movable spring piece is connected with the movable spring leading-out piece, and the other end of the movable spring piece is fixedly connected with the movable contact; the other end of the movable spring piece extends from the end head to the direction of the joint of one end of the movable spring piece and the movable spring leading-out piece to form at least one strip seam so as to divide the movable spring piece into at least two current-carrying conductors; the movable contacts are at least two and are respectively fixed on the corresponding current-carrying conductors, so that the movable spring is divided into at least two paths of parallel structures.
At least one of the at least two current-carrying conductors of the movable contact spring is designed to have a relatively large width dimension.
At least one of the at least two movable contacts is dimensioned to be relatively large in thickness.
The movable contact with the relatively large thickness dimension is fixed on the current-carrying conductor with the relatively large width dimension.
In the movable contact spring, a connecting piece is also arranged on one surface facing the fixed contact, and the connecting piece is connected between the movable contacts.
The movable spring plate is formed by laminating a plurality of leaf spring plates together.
The middle section of the movable spring leaf is also provided with a U-shaped bend.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the structure that at least two grooves with the same number as the contact parts are arranged on the base; the at least two grooves are respectively distributed along two opposite surfaces of the base in an alternating manner, and each groove is positioned in the same row of the base; each path of contact part is respectively arranged in the corresponding groove; the magnetic circuit parts are arranged in the base and are respectively linked with the movable spring parts in the contact parts. The utility model discloses a this kind of structure for form the isolation in the space between each way contact part, can be under the condition that rated current improves, reduce because of the temperature rise influence that rated current's increase caused, satisfy original temperature rise requirement, eliminate because of the relay temperature rise exceeds the inside plastics and the insulating material's of the accelerating relay that the requirement brought ageing, cause the contact to be by the oxidation corrosion arc difficulty that ends, the decay of electric elements technical parameter, and drawbacks such as reliability reduction.
2. The utility model adopts the technical scheme that at least one strip seam is extended from the end head to the direction of the joint of one end of the movable spring and the movable spring lead-out piece at the other end of the movable spring to divide the movable spring into at least two current-carrying conductors; the movable contacts are at least two and are respectively fixed on the corresponding current-carrying conductors, so that the movable spring is divided into at least two paths of parallel structures. The utility model discloses a this kind of structure is through designing into the little parallelly connected structure of multiunit contact with the contact part for the electric current through every current-carrying conductor reduces, thereby can reduce the temperature rise.
3. The utility model discloses owing to adopted in each current-carrying conductor of movable contact spring, with the width size design of one of them current-carrying conductor bigger than the width chi of other current-carrying conductors to in each movable contact, with the thickness size design of one of them movable contact bigger than the thickness size of other movable contacts, and the relatively great movable contact of thickness size is fixed on the relatively great current-carrying conductor of width size. The utility model discloses a this kind of structure can make the total resistance of movable reed always maintain at less contact resistance state to reduce the temperature rise.
4. The utility model discloses owing to adopted in the movable contact spring, still be equipped with the connection piece in the one side towards the stationary contact, the connection piece is connected between each movable contact. The utility model discloses a contact clearance is unanimous when this kind of structure can guarantee to break off, reduces because promote the poor fluctuation in contact clearance that the card promoted the unhindered arouse.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the relay with the multi-path contact structure of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is an exploded schematic view of a partial configuration of an embodiment of the present invention;
FIG. 2 is an exploded view (with the side turned upside down) of a partial structure of an embodiment of the present invention;
fig. 3 is a schematic perspective view of a base according to an embodiment of the present invention;
fig. 4 is a schematic perspective view (with one side turned upside down) of the base according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a movable spring plate according to an embodiment of the present invention;
fig. 6 is an exploded perspective view of the movable spring according to the embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 6, a relay with a multi-path contact structure of the present invention is a relay with a two-path contact structure, and the relay includes a base 1, a magnetic circuit part 2, and two-path contact components 3 and 4; two opposite surfaces of the base 1 are respectively provided with two grooves, namely a first groove 11 and a second groove 12, the first groove 11 and the second groove 12 are alternately distributed on the two opposite surfaces of the base, and the two grooves are positioned in the same row of the base, which is equivalent to that the first groove 11 and the second groove 12 are distributed in a staggered way, and the projections of the two grooves on one surface of the base 1 are close to each other; one of the two paths of contact parts 3 and the magnetic circuit part 2 are respectively installed in the first groove 11, and an armature part in the magnetic circuit part is connected with a movable spring part 31 in the one path of contact part 3 so as to drive the corresponding movable spring part 31 to act when the magnetic circuit part 2 works; the other contact component 4 of the two contact components is installed in the second groove 12, a through hole 13 is arranged between the first groove 11 and the second groove 12, the armature component in the magnetic circuit part 2 penetrates through the through hole 13 to be connected with the movable spring component 41 in the other contact component 4, so that the corresponding movable spring component 41 is driven to act when the magnetic circuit part 2 works, and the increase of temperature rise caused by the increase of rated current is reduced by utilizing the spatial isolation of the installation positions of the two contact components 3 and 4.
In this embodiment, the armature component in the magnetic circuit part 2 is in an H-shape, two ends of the armature component 2 are respectively connected with a push card, and the moving spring component in the contact component of the corresponding path is connected through the corresponding push card; the through hole 13 is provided at the end position of one of the ends of the armature part.
In this embodiment, the contact part 3 includes a movable spring part 31 and a stationary spring part 32, the contact part 4 includes a movable spring part 41 and a stationary spring part 42, and the movable spring parts in the two contact parts each include a movable contact, a movable spring and a movable spring lead-out piece; taking the movable spring member 31 as an example, the movable spring member 31 includes a movable contact 51, a movable spring piece 52, and a movable spring lead-out piece 53; one end of the movable spring piece 52 is connected with the movable spring leading-out piece 53, and the other end of the movable spring piece 52 is fixedly connected with the movable contact 51; the static spring parts in the two paths of contact parts comprise static contacts and static spring leading-out sheets; taking the stationary spring member 32 as an example, the stationary spring member 32 includes a stationary contact 61 and a stationary spring lead-out piece 62; the movable spring part 31 and the static spring part 32 are respectively inserted into one side edge corresponding to the base 1 at the first groove 11, the movable contact 51 and the static contact 61 are in a corresponding matching state, and the leading-out parts of the movable spring part 31 and the static spring part 32 respectively extend out of the base 1; the movable spring member 41 and the static spring member 42 are respectively inserted into the second groove 12 corresponding to the other side of the base 1, and similarly, the movable contact and the static contact are correspondingly matched, and the leading-out portions of the movable spring member 41 and the static spring member 42 respectively extend out of the base 1.
In the present embodiment, in the first recess 11, there is further provided a stopper wall 14 for achieving strong and weak electrical isolation, the stopper wall 14 being interposed between the contact member 3 and the magnetic circuit portion 2, and the mounting position of the contact member 3 in the first recess 11 is closer to the contact member 4 with respect to the magnetic circuit portion 2.
In this embodiment, taking the movable spring member 31 as an example, two slits 521 are formed at the other end of the movable spring 52 extending from the end to the direction of the connection between one end of the movable spring and the movable spring lead-out piece, so as to divide the movable spring into three current-carrying conductors 522; the number of the moving contacts is three, and the moving contacts are respectively fixed on the corresponding current-carrying conductors 522, so that the moving spring 52 is divided into three parallel structures.
In this embodiment, one of the three current-carrying conductors of the movable spring 52 has a width dimension 5221 that is designed to be larger than the width dimensions of the other two current-carrying conductors 522.
In the present embodiment, the thickness dimension of one movable contact 511 of the three movable contacts 51 is designed to be larger than the thickness dimensions of the other two movable contacts.
In this embodiment, the movable contact 511 having the relatively large thickness dimension is fixed to the current-carrying conductor 5221 having the relatively large width dimension.
In this embodiment, the movable contact spring 52 is further provided with a connecting piece 54 on a surface facing the stationary contact, and the connecting piece 54 is connected between the movable contacts 51.
In this embodiment, the movable spring plate 52 is formed by laminating four spring plates 55.
In this embodiment, the middle section of the movable spring 52 is further provided with a U-shaped bend 56.
The utility model discloses a relay with multi-path contact structure, which adopts the structure that the base 1 is provided with the first groove 11 and the second groove 12, and the first groove 11 and the second groove 12 are alternately distributed on the two opposite sides of the base, and the two grooves are positioned in the same row of the base; one path of contact component 3 of the two paths of contact components and the magnetic circuit part 2 are respectively arranged in the first groove 11, an armature component of the magnetic circuit part 2 is connected with a movable spring component of the one path of contact component 3, the other path of contact component 4 of the two paths of contact components is arranged in the second groove 12, a through hole 13 is arranged between the first groove 11 and the second groove 12, and the armature component of the magnetic circuit part 2 passes through the through hole 13 to be connected with the movable spring component of the other path of contact component 4. The utility model discloses a this kind of structure for form the isolation in the space between two way contact parts 3, 4, can be under the condition that rated current improves, reduce because of the temperature rise influence that rated current's increase caused, satisfy original temperature rise requirement, eliminate because of the relay temperature rise surpasss the inside plastics and the insulating material's of the acceleration relay that the requirement brought ageing, cause the contact to be by the oxidation corrosion arc difficulty that ends, the decay of electrical component technical parameter to and drawbacks such as reliability reduction.
The utility model discloses a relay with multi-path contact structure, it has adopted to extend to be equipped with at least one strip seam 521 at the other end of movable contact spring 52 from the end to the one end of movable contact spring and the direction of the junction of movable contact spring lead-out piece to divide into two at least current-carrying conductors 522 with movable contact spring 52; the number of the movable contacts 51 is at least two, and the movable contacts are respectively fixed on the corresponding current-carrying conductors 522, so that the movable spring is divided into at least two paths of parallel structures. The utility model discloses a this kind of structure is through designing into the little parallelly connected structure of multiunit contact with the contact part for the electric current through every current-carrying conductor reduces, thereby can reduce the temperature rise.
The utility model discloses a take relay of multichannel contact structure has adopted in each current-carrying conductor 522 of movable contact spring 52, and the width size that designs one of them current-carrying conductor 5221's width dimension is bigger than other current-carrying conductors to in each movable contact 51, the thickness dimension that designs one of them movable contact 511's thickness dimension is bigger than other movable contacts, and the relatively great movable contact 511 of thickness dimension is fixed on the relatively great current-carrying conductor 5221 of width dimension. The utility model discloses a this kind of structure can make the total resistance of movable reed always maintain at less contact resistance state to reduce the temperature rise.
The utility model discloses a take relay of multichannel contact structure has adopted movable contact spring 52, still is equipped with connection piece 54 in the one side towards the stationary contact, connection piece 54 is connected between each movable contact 51. The utility model discloses a contact clearance is unanimous when this kind of structure can guarantee to break off, reduces because promote the poor fluctuation in contact clearance that the card promoted the unhindered arouse.
When the relay is provided with three paths of contact parts, the base is provided with three grooves, the three grooves are respectively distributed along two opposite sides (namely the front side and the back side) of the base in an alternating manner, and the three grooves are positioned in the same row of the base, a first path of contact part in the three paths of contact parts is arranged in a first groove on the front side of the base, a second path of contact part is arranged in a groove on the back side of the base, a third path of contact part is arranged in a second groove on the front side of the base, and for two adjacent contact parts, such as the first path of contact part and the second path of contact part, are respectively positioned on the front side and the back side of the base and are separated in space; for two contact assemblies that are spaced apart, such as the first path contact assembly and the third path contact assembly, the first path contact assembly and the third path contact assembly are also spaced apart because the first recess and the second recess on the front side of the base are spaced apart by one recess on the back side.
When the relay is provided with four paths of contact parts, the base is provided with four grooves, the four grooves are respectively distributed along two opposite sides (namely the front side and the back side) of the base in an alternating mode, the four grooves are located in the same row of positions of the base, a first path of contact part in the four paths of contact parts is arranged in a first groove on the front side of the base, a second path of contact part is arranged in a first groove on the back side of the base, a third path of contact part is arranged in a second groove on the front side of the base, and a fourth path of contact part is arranged in a second groove on the back side of the base. As described above, two contact members installed adjacently and two contact members installed at an interval are both spatially separated.
When the relay is provided with five contact members, and so on.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (12)
1. A relay with a multi-path contact structure comprises a base, a magnetic circuit part and at least two paths of contact parts; the method is characterized in that: the base is provided with at least two grooves which are the same as the contact parts in number; the at least two grooves are respectively distributed along two opposite surfaces of the base in an alternating manner, and each groove is positioned in the same row of the base; each path of contact part is respectively arranged in the corresponding groove; the magnetic circuit part is arranged in the base and is linked with the movable spring parts in the contact parts respectively so as to drive the corresponding movable spring parts to act when the magnetic circuit part works, and the increase of temperature rise caused by the increase of rated current is reduced by utilizing the spatial isolation of the installation positions of the contact parts.
2. The relay with the multiple contact structure according to claim 1, wherein: the magnetic circuit part and one of the at least two paths of contact parts are arranged in the same groove, and the armature part in the magnetic circuit part is connected with the movable spring part in the one path of contact parts so as to drive the corresponding movable spring part to act when the magnetic circuit part works; through holes are further formed between adjacent grooves in each groove, and the armature part in the magnetic circuit part is further connected with the movable spring part in the contact part in the corresponding groove through the corresponding through hole so as to drive the corresponding movable spring part to act when the magnetic circuit part works.
3. The relay with the multiple contact structure according to claim 2, wherein: and a retaining wall for realizing strong and weak electric isolation is arranged in the groove for mounting the magnetic circuit part and one of the contact parts together, and the retaining wall is arranged between one of the contact parts and the magnetic circuit part.
4. The relay with the multiple contact structure according to claim 3, wherein: the contact part is two-way, and the installation position of one way of contact part in the groove is closer to the other way of contact part relative to the magnetic circuit part.
5. The relay with the multiple contact structure according to claim 2, 3 or 4, wherein: the armature part in the magnetic circuit part is H-shaped, and two ends of the armature part are respectively connected with the pushing cards and are connected with the movable spring part in the contact part of the corresponding circuit through the corresponding pushing cards; the through hole is provided at a position corresponding to the armature member.
6. The relay with the multiple contact structure according to claim 1, wherein: the movable spring parts in the at least two paths of contact parts comprise movable contacts, movable reeds and movable spring leading-out pieces; one end of the movable spring piece is connected with the movable spring leading-out piece, and the other end of the movable spring piece is fixedly connected with the movable contact; the other end of the movable spring piece extends from the end head to the direction of the joint of one end of the movable spring piece and the movable spring leading-out piece to form at least one strip seam so as to divide the movable spring piece into at least two current-carrying conductors; the movable contacts are at least two and are respectively fixed on the corresponding current-carrying conductors, so that the movable spring is divided into at least two paths of parallel structures.
7. The relay with the multiple contact structure of claim 6, wherein: at least one of the at least two current-carrying conductors of the movable contact spring is designed to have a relatively large width dimension.
8. The relay with the multiple contact structure of claim 7, wherein: at least one of the at least two movable contacts is dimensioned to be relatively large in thickness.
9. The relay with the multiple contact structure of claim 8, wherein: the movable contact with the relatively large thickness dimension is fixed on the current-carrying conductor with the relatively large width dimension.
10. The relay with the multiple contact structure of claim 6, wherein: in the movable contact spring, a connecting piece is also arranged on one surface facing the fixed contact, and the connecting piece is connected between the movable contacts.
11. The relay with the multiple contact structure according to claim 6, 7, 8, 9 or 10, wherein: the movable spring plate is formed by laminating a plurality of leaf spring plates together.
12. The relay with the multiple contact structure of claim 11, wherein: the middle section of the movable spring leaf is also provided with a U-shaped bend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023023971.8U CN214378262U (en) | 2020-12-15 | 2020-12-15 | Relay with multi-path contact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023023971.8U CN214378262U (en) | 2020-12-15 | 2020-12-15 | Relay with multi-path contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378262U true CN214378262U (en) | 2021-10-08 |
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ID=77985256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023023971.8U Active CN214378262U (en) | 2020-12-15 | 2020-12-15 | Relay with multi-path contact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378262U (en) |
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2020
- 2020-12-15 CN CN202023023971.8U patent/CN214378262U/en active Active
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