CN219696345U

CN219696345U - Relay device

Info

Publication number: CN219696345U
Application number: CN202320837849.9U
Authority: CN
Inventors: 刘振雨; 江吉兵; 党奎; 卢卿; 赵恒喜; 赖丽冰; 周校
Original assignee: Eve Energy Co Ltd
Current assignee: Eve Energy Co Ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-09-15
Anticipated expiration: 2033-04-13

Abstract

The utility model relates to a relay, which comprises a first line interface component, a second line interface component and a line switching component, wherein the line switching component is arranged between the first line interface component and the second line interface component; the circuit switching assembly comprises a magnetic coil, an elastic piece, a movable contact piece and a guide assembly, wherein the elastic piece and the guide assembly are arranged between the movable contact piece and the magnetic coil, the movable contact piece compresses the elastic piece to move towards the direction of the magnetic coil when the magnetic coil is electrified, and moves towards the direction far away from the magnetic coil under the action of restoring force of the elastic piece when the magnetic coil is deenergized, and the guide assembly guides the movable contact piece to rotate to change the direction when the movable contact moves, so that the movable contact piece is contacted with the first circuit interface assembly or contacted with the second circuit interface assembly, the moving direction is perpendicular to the rotating direction, and the first circuit interface assembly and the second circuit interface assembly are arranged along the rotating direction at intervals. Therefore, different circuits can be connected through one relay, and the cost is reduced.

Description

Relay device

Technical Field

The utility model relates to the technical field of relays, in particular to a relay.

Background

The high-voltage direct-current relay technology belongs to the increment field of new energy vehicles relative to traditional vehicles, and is matched with a fuse on the new energy vehicle to form a complete safety protection system for a high-voltage power supply system, so that the high-voltage direct-current relay technology is a core component of a power supply system of the new energy vehicle. The high performance brings high added value, wide market space and clear pattern. Along with the increase of the market preservation quantity of new energy vehicles, the research and development roads are wider and wider, new functions and new processes are laid out in the limited space of the new energy vehicles, meanwhile, the intellectualization of the control strategy also causes more complicated circuit design, and the conventional 'one-in one-out' type high-voltage direct current relay is provided with an electric wire inlet and an electric wire outlet.

The 'one-in one-out' type high-voltage direct-current relay can only meet one circuit design, is stable in performance, has single function, and can achieve a design effect only by matching a plurality of relays when meeting complex circuit design, so that risk factors are increased, and the waste is caused.

Disclosure of Invention

In view of the above, it is desirable to provide a relay capable of switching on different circuits, thereby reducing the cost.

In a first aspect, the present utility model provides a relay comprising a first line interface assembly, a second line interface assembly, and a line switching assembly, wherein:

the line switching assembly is arranged between the first line interface assembly and the second line interface assembly;

the circuit switching assembly comprises a magnetic coil, an elastic piece, a movable contact piece and a guide assembly, wherein:

the elastic piece and the guide component are arranged between the movable contact piece and the magnetic coil;

the movable contact piece compresses the elastic piece and moves towards the direction of the magnetic coil when the magnetic coil is electrified, and moves towards the direction away from the magnetic coil under the action of elastic restoring force of the elastic piece when the magnetic coil is powered off;

the guide assembly is used for guiding the movable contact piece to rotate when the movable contact piece moves so as to change the direction, so that the movable contact piece is contacted with the first line interface assembly or contacted with the second line interface assembly, wherein the moving direction and the rotating direction are perpendicular, and the first line interface assembly and the second line interface assembly are arranged at intervals in the moving direction and the rotating direction.

In one embodiment, the guide assembly includes a first guide and a second guide;

one end of the first guide piece is connected with the movable contact piece, the first guide piece is a first cylinder, a first guide part is formed on the outer wall of the first cylinder, and the first guide part is obliquely and circumferentially arranged on the outer wall of the first cylinder;

the second guide piece is a second cylinder, a through hole is formed in the second cylinder, the first cylinder is arranged in the through hole, a second guide part is formed on the inner wall of the through hole, and the second guide part is matched with the first guide part.

In one embodiment, one of the first guide portion and the second guide portion is a groove, and the other of the first guide portion and the second guide portion is a bump.

In one embodiment, the elastic member is a spring, and is sleeved on the second cylinder.

In one embodiment, the relay further comprises a base and a cover plate, the base forms a containing cavity, the cover plate is arranged on the base in a covering mode, the magnetic coil is arranged in the containing cavity, and the first line interface component, the second line interface component, the movable contact component, the elastic component and the guide component are arranged on one side, away from the base, of the cover plate.

In one embodiment, the second guide piece is convexly arranged on the cover plate, and a limiting hole is further formed in the cover plate;

the relay further comprises a limiting column, one end of the limiting column is fixed with the movable contact piece, and the other end of the limiting column penetrates through the limiting hole to limit rotation of the movable contact piece.

In one embodiment, the relay further comprises a fixing plate, the fixing plate is arranged in the accommodating cavity, the other end of the limiting post penetrates through the limiting hole and then is fixed with the fixing plate, and the other end of the first guide piece penetrates through the through hole and then is fixed with the fixing plate.

In one embodiment, the first line interface assembly includes a first line interface, a second line interface, a first line contact, and a second line contact, and the second line interface assembly includes a third line interface, a fourth line interface, a third line contact, and a fourth line contact;

the first line interface, the third line interface, the second line interface and the fourth line interface are sequentially arranged at intervals along the rotating direction;

one end of the first line contact part and one end of the second line contact part are respectively connected with the first line interface and the second line interface, and the other end of the first line contact part and the other end of the second line contact part respectively extend towards the direction of the movable contact piece;

one end of the third line contact portion and one end of the fourth line contact portion are connected with the third line interface and the fourth line interface respectively, and the other end of the third line contact portion and the other end of the fourth line contact portion extend toward the moving contact piece respectively.

In one embodiment, the first and second line contacts extend a length greater than the third and fourth line contacts.

In one embodiment, the relay further comprises a spacer comprising:

a first isolation section for isolating the first, second, third, and fourth line interfaces;

and a second isolation portion for isolating the first line contact portion, the second line contact portion, the third line contact portion, and the fourth line contact portion.

The foregoing describes a relay including a first line interface assembly, a second line interface assembly, and a line switching assembly, wherein the line switching assembly is disposed between the first line interface assembly and the second line interface assembly; the circuit switching assembly comprises a magnetic coil, an elastic piece, a movable contact piece and a guide assembly, wherein the elastic piece and the guide assembly are both arranged between the movable contact piece and the magnetic coil, the movable contact piece is compressed when the magnetic coil is electrified and moves towards the magnetic coil after the elastic piece is compressed, and moves towards a direction away from the magnetic coil under the action of elastic restoring force of the elastic piece when the magnetic coil is in outage, the guide assembly is used for guiding the movable contact piece to rotate to change the direction when the movable contact moves, so that the movable contact piece is contacted with the first circuit interface assembly or contacted with the second circuit interface assembly, the moving direction is perpendicular to the rotating direction, and the first circuit interface assembly and the second circuit interface assembly are arranged along the rotating direction at intervals. Therefore, the controllable brake contact piece can move and rotate only by electrifying and de-electrifying the magnetic coil, thereby contacting with different line interface components in different directions, switching on different line interface components, communicating different circuits through the switched on line interface components, switching on different circuits through a relay, and reducing the cost.

Drawings

Fig. 1 is a schematic structural view of a relay according to an embodiment of the present utility model;

fig. 2 is a schematic view of a first internal structure of the relay shown in fig. 1;

FIG. 3 is a schematic view of a second internal structure of the relay shown in FIG. 1;

fig. 4 is a schematic structural view of a spacer of the relay shown in fig. 1;

fig. 5 is a schematic structural view of the movable contact piece, the first guide portion, the limit post, and the fixed plate of the relay shown in fig. 1;

fig. 6 is a schematic structural view of a cover plate of the relay shown in fig. 1.

The reference numerals in the description of the utility model are as follows:

the relay 100, the first line interface assembly 101, the second line interface assembly 102, the line switching assembly 103, the magnetic coil 131, the elastic member 132, the movable contact member 133, the guide assembly 134, the first line interface 111, the second line interface 112, the first line contact 113, the second line contact 114, the third line interface 121, the fourth line interface 122, the fourth line contact 124, the spacer 104, the first spacer 141, the second spacer 142, the mounting plate 1411, the spacer 1412, the first mounting hole 1412, the second mounting hole 1413, the third mounting hole 1414, the fourth mounting hole 1415, the spacer 1421, the first guide 1341, the second guide 1342, the first guide 1343, the through hole 1344, the second guide 1345, the base 105, the cover 106, the housing 107, the housing chamber 151, the limit hole 1061, the limit post 108, and the fixing plate 109.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1-6, the relay 100 includes a first line interface module 101, a second line interface module 102, and a line switching module 103.

The line switching assembly 103 is disposed between the first line interface assembly 101 and the second line interface assembly 102.

The line switching assembly 103 includes a magnetic coil 131, an elastic member 132, a movable contact member 133, and a guide assembly 134. Wherein the magnetic coil 131 is an exciting coil. The elastic member 132 and the guide member 134 are both disposed between the movable contact member 133 and the magnetic coil 131. The movable contact piece 133 is moved in a direction toward the magnetic coil 131 by compressing the elastic piece 132 when the magnetic coil 131 is energized, and is moved in a direction away from the magnetic coil 131 by an elastic restoring force of the elastic piece 132 when the magnetic coil 131 is deenergized. The guide assembly 134 is used to guide the movable contact member 133 to rotate to change a direction when the movable contact member 133 moves, thereby contacting the first line interface assembly 101 or the second line interface assembly 102. Wherein, the moving direction is perpendicular to the rotating direction, and in an embodiment, the moving direction is a vertical direction, and the rotating direction takes the moving direction as a rotating shaft. The first line interface component 101 and the second line interface component 102 are disposed at intervals in the moving direction and the rotating direction, in an embodiment, the moving direction is a vertical direction, and the first line interface component 101 is disposed at intervals in the horizontal direction of the second line interface component 102 and is disposed at intervals in the vertical direction.

Therefore, in this embodiment, the controllable brake contact member 133 can be moved and rotated only by energizing and de-energizing the magnetic coil 131, so as to contact with different line interface components in different directions, so that different line interface components can be switched on, different circuits are connected through the switched-on line interface components, and different circuits are connected through a relay, thereby reducing cost.

In one embodiment, the first line interface assembly 101 includes a first line interface 111, a second line interface 112, a first line contact 113, and a second line contact 114, and the second line interface assembly 102 includes a third line interface 121, a fourth line interface 122, a third line contact (not shown), and a fourth line contact 124. The first line interface 111, the third line interface 121, the second line interface 112, and the fourth line interface 122 are sequentially arranged at intervals along the rotation direction. In one embodiment, the first line interface 111, the third line interface 121, the second line interface 112, and the fourth line interface 122 form a field-word distribution, the first line interface 111 and the second line interface 112 are disposed on one diagonal of the field-word, and the third line interface 121 and the fourth line interface 122 are disposed on the other diagonal of the field-word.

One end of the first line contact portion 113 and one end of the second line contact portion 114 are connected to the first line interface 111 and the second line interface 112, respectively, and the other end of the first line contact portion 113 and the other end of the second line contact portion 114 extend in the direction of the movable contact piece 133, respectively.

One end of the third line contact portion and one end of the fourth line contact portion 124 are connected to the third line interface 121 and the fourth line interface 122, respectively, and the other end of the third line contact portion and the other end of the fourth line contact portion 124 extend in the direction of the movable contact piece 133, respectively.

In an embodiment, the first line contact portion 113 and the second line contact portion 114 extend the same length, the third line contact portion and the fourth line contact portion 124 extend the same length, and the first line contact portion 113 and the second line contact portion 114 extend a greater length than the third line contact portion and the fourth line contact portion 124.

In an embodiment, the relay 100 further comprises a spacer 104, the spacer 104 comprising a first spacer 141 and a second spacer 142. The first isolation part 141 is used to isolate the first line interface 111, the second line interface 112, the third line interface 121, and the fourth line interface 122. The second isolation part 142 is used to isolate the first line contact part 112, the second line contact part 114, the third line contact part and the fourth line contact part 124, so as to prevent arcing and improve the safety of the relay 100.

Specifically, the first partition 141 includes a mounting plate 1411 and a partition plate 1412. The mounting plate 1411 is provided with a first mounting hole 1412, a second mounting hole 1413, a third mounting hole 1414, and a fourth mounting hole 1415. The first line interface 111, the third line interface 121, the second line interface 112, and the fourth line interface 122 are provided in the first mounting hole 1412, the second mounting hole 1413, the third mounting hole 1414, and the fourth mounting hole 1415, respectively. The isolation plate 1412 extends from one side of the mounting plate 1411, and the isolation plate 1412 has a cross-shaped structure to divide one side of the mounting plate 1411 into four parts to isolate the first line interface 111, the third line interface 121, the second line interface 112, and the fourth line interface 122.

The second isolation part 142 includes an isolation plate 1421 extending from the other side of the mounting plate 1411, and the isolation plate 1412 has a cross-shaped structure to divide the other side of the mounting plate 1411 into four parts to isolate the first line contact part 113, the third line contact part, the second line contact part 114 and the fourth line contact part 124.

In an embodiment, the second and first spacers 142 and 141 are aligned in the extending direction.

In one embodiment, the guide assembly 134 includes a first guide 1341 and a second guide 1342.

One end of the first guiding member 1341 is connected with the movable contact member 133, the first guiding member 1341 is an insulated first cylinder, a first guiding portion 1343 is formed on an outer wall of the first cylinder, and the first guiding portion 1343 is obliquely and circumferentially arranged on the outer wall of the first cylinder. The second guiding member 1342 is a second cylinder, a through hole 1344 is formed in the second cylinder, the first cylinder is disposed in the through hole 1344, a second guiding portion 1345 is formed on an inner wall of the through hole 1344, and the second guiding portion 1345 is matched with the first guiding portion 1343.

Wherein one of the first guide portion 1343 and the second guide portion 1345 is a groove, and the other of the first guide portion 1343 and the second guide portion 1345 is a bump. In one embodiment, as shown in fig. 5 and 6, the first guiding portion 1343 is a groove, and the second guiding portion 1345 is a bump. The grooves are disposed obliquely around the outer wall of the first cylinder of the first guide 1341 such that the grooves have a height difference in the extending direction of the first cylinder. The protrusions are disposed in parallel around the inner wall of the through hole 1344, i.e., the protrusions have no height difference in the extending direction of the second cylinder.

The elastic member 132 is a spring, and is sleeved on the second cylinder.

The relay further comprises a base 105, a cover 106 and a housing 107. The housing 107 forms an accommodating space for accommodating other elements of the relay 100 except for the first, second, third, and fourth line interfaces 111, 112, 121, and 124 and the first partition 141. The base 105 forms a housing cavity 151, the cover plate 106 is covered on the base 105, the magnetic coil 131 is disposed in the housing cavity 151, and the first circuit interface component 101, the second circuit interface 102 component, the movable contact component 133, the elastic component 132 and the guiding component 134 are disposed on a side of the cover plate 106 away from the base 105. The cover plate 106 isolates the magnetic coil 131 in the accommodating cavity 151, thereby achieving the function of isolating high voltage.

The second guiding element 1342 is convexly disposed on the cover plate 106, and the cover plate 106 is further provided with a limiting hole 1061, the limiting hole 1061 is in an arc structure, the arc of which is matched with the arc of the first cylinder, and the arc length of the limiting hole 1061 is related to the position between the first line interface component 101 and the second line interface component 102.

The relay 100 further includes a limit post 108 and a fixing plate 109. The limiting post 108 is made of an insulating material, and the fixing plate 109 is made of a magnetic material, such as an iron block, and can be influenced by the magnetic field of the magnetic coil 131. The fixing plate 109 is disposed in the receiving chamber 151. One end of the limiting post 108 is fixed to the movable contact member 133, and the other end of the limiting post is fixed to the fixing plate 109 after passing through the limiting hole 1061. The other end of the first guide 1341 is fixed to the fixing plate 109 after passing through the through hole. Wherein, the number of the limiting posts 108 is two, and the number of the limiting holes 1061 is also two.

When the magnetic coil 131 is electrified, the fixing plate 109 is attracted to drive the movable contact piece 133 to move towards the direction of the magnetic coil 131, and in the moving process, the movable contact piece 133 rotates through the cooperation of the first guide piece 1341 and the second guide piece 1342 to further drive the limit post 108 to slide in the limit hole 1061, and when the movable contact piece slides to the end part of the limit hole 1061, the sliding of the limit post 108 is limited, so that the rotation of the movable contact piece 133 fixed with the limit post 108 is limited, and the rotation of the movable contact piece 133 is limited. In addition, when the magnetic coil 131 is powered off, the attraction force to the fixed plate 109 is lost, and when the movable contact piece 133 moves away from the magnetic coil 131 under the action of the elastic restoring force of the elastic piece 132, the fixed plate 109 is driven to move together, and when the movable contact piece 133 and the second connection interface assembly 102 are in contact, the fixed plate 109 abuts against the cover plate 106 to limit the movement of the movable contact piece 133, so that the movement limit of the movable contact piece 133 is realized.

In summary, the brake contact piece can be controlled to move and rotate only by energizing and de-energizing the magnetic coil, so that the brake contact piece contacts with different line interface components in different directions, so that different line interface components can be switched on, different circuits are communicated through the switched-on line interface components, and different circuits are communicated through a relay, so that the cost is reduced.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.

Claims

1. A relay comprising a first line interface assembly, a second line interface assembly, and a line switching assembly, wherein:

2. The relay of claim 1, wherein the guide assembly comprises a first guide and a second guide;

3. The relay of claim 2, wherein one of the first and second guides is a groove and the other of the first and second guides is a tab.

4. The relay of claim 2, wherein the elastic member is a spring and is sleeved on the second cylinder.

5. The relay of any of claims 2-4, further comprising a base and a cover, wherein the base forms a receiving cavity, the cover is disposed over the base, the magnetic coil is disposed in the receiving cavity, and the first line interface assembly, the second line interface assembly, the movable contact member, the elastic member, and the guide member are disposed on a side of the cover away from the base.

6. The relay according to claim 5, wherein the second guide member is provided on the cover plate in a protruding manner, and a limiting hole is further provided in the cover plate;

7. The relay of claim 6, further comprising a fixing plate disposed in the receiving cavity, wherein the other end of the limiting post passes through the limiting hole and is fixed to the fixing plate, and the other end of the first guide member passes through the through hole and is fixed to the fixing plate.

8. The relay of claim 1, wherein the first line interface assembly comprises a first line interface, a second line interface, a first line contact, and a second line contact, the second line interface assembly comprising a third line interface, a fourth line interface, a third line contact, and a fourth line contact;

9. The relay of claim 8, wherein the first and second line contacts extend a length greater than the third and fourth line contacts.

10. The relay of claim 8, further comprising a spacer, the spacer comprising: