CN219873339U - High-voltage direct-current contactor - Google Patents
High-voltage direct-current contactor Download PDFInfo
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- CN219873339U CN219873339U CN202320858743.7U CN202320858743U CN219873339U CN 219873339 U CN219873339 U CN 219873339U CN 202320858743 U CN202320858743 U CN 202320858743U CN 219873339 U CN219873339 U CN 219873339U
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- circuit board
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- 230000005611 electricity Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model relates to a high-voltage direct-current contactor, which comprises a coil, a coil leading-out end, a circuit board for controlling the coil and a conductive connecting piece, wherein the conductive connecting piece comprises a coil connecting part and a first fixing part, the coil connecting part is electrically connected with the coil leading-out end, the coil connecting part is arranged on one side of the board surface of the circuit board, the first fixing part is fixedly connected to one side of the coil connecting part facing the circuit board and extends towards the circuit board, and the first fixing part is fixedly and electrically connected with the circuit board. The coil connecting part is arranged on one side of the board surface of the circuit board, and the first fixing part is fixedly connected to one side of the coil connecting part facing the circuit board and is fixedly and electrically connected with the circuit board, so that the space on one side of the board surface of the circuit board is well utilized to arrange the conductive connecting piece, the conductive connecting piece and the circuit board are very compact in structure, and the occupied space is smaller.
Description
Technical Field
The utility model relates to a contactor manufacturing technology, in particular to a coil leading-out structure of a contactor.
Background
The contactor is an automatic control electric appliance, which uses the coil to flow current to generate magnetic field to close the contact so as to control the load. In a prior art high voltage dc contactor, a control circuit board is provided on a driving coil, so that a coil lead-out structure thereof includes a connection portion with the circuit board. In the prior art, the coil leading-out end and the circuit board are often welded through the signal wire, however, because the circuit board is positioned in the inner cavity of the product, the space is limited, a reliable connection position can not be established for the signal wire to be welded, the temperature in the inner cavity of the contactor is extremely high in use, the temperature resistance level of the signal wire is a big test, and in addition, the connection position of the signal wire is easily worn due to vibration in the use process of the contactor, so that the reliability is poor.
Disclosure of Invention
Therefore, in order to solve the above problems, the present utility model provides a structure-optimized high-voltage direct current contactor.
The utility model is realized by adopting the following technical scheme:
the utility model provides a high-voltage direct-current contactor which comprises a coil, a coil leading-out end, a circuit board used for controlling the coil and a conductive connecting piece, wherein the conductive connecting piece comprises a coil connecting part and a first fixing part, the coil connecting part is electrically connected with the coil leading-out end, the coil connecting part is arranged on one side of the board surface of the circuit board, the first fixing part is fixedly connected to one side of the coil connecting part facing the circuit board and extends towards the circuit board, and the first fixing part is fixedly and electrically connected with the circuit board.
In one embodiment, the coil connecting part is an elastic clamping structure, and the coil connecting part clamps and fixes the coil leading-out end so as to realize the electric connection of the coil leading-out end and the coil leading-out end.
In one embodiment, the coil connecting portion is a sheet structure with a substantially U-shaped opening, and comprises a first clamping arm, a second clamping arm and a clamping arm connecting portion, wherein the first clamping arm and the second clamping arm are oppositely arranged, the clamping arm connecting portion is connected between the first clamping arm and the second clamping arm, a first concave bent corner is arranged on the first clamping arm, a second concave bent corner is arranged on the second clamping arm, the first bent corner and the second bent corner are staggered with each other, and an elastic narrow opening for clamping the coil leading-out end is formed between the first concave bent corner and the second curved corner.
Wherein, in one embodiment, the opposite directions of the first clamping arm and the second clamping arm are parallel to the board surface of the circuit board.
In one embodiment, the first clamping arm is further provided with a convex third bent crutch, the third bent crutch is connected with one end of the first bent crutch, which is far away from the U-shaped opening of the coil connecting part, and/or the second clamping arm is further provided with a convex fourth bent crutch, which is connected with one end of the second bent crutch, which is far away from the U-shaped opening of the coil connecting part.
Wherein, in one embodiment, the ends of the first clamping arm and/or the second clamping arm are tilted outwards, so that the U-shaped opening of the coil connecting part is in an outward expansion shape.
In one embodiment, the hvth contactor further includes a coil frame for supporting a coil, the coil frame includes a stand extending from one axial end thereof, the board surface of the circuit board is opposite to the stand, the coil connecting portion is disposed between the circuit board and the stand, and the conductive connecting member further includes a second fixing portion fixedly connected to the other side of the coil connecting portion opposite to the circuit board and fixed to the stand, so that the circuit board is fixedly connected to the stand through the conductive connecting member.
In one embodiment, the stand is arranged at the edge position of the coil frame, and the circuit board is arranged at the inner side of the stand.
In one embodiment, the first fixing portion and the second fixing portion disposed at two opposite sides of the coil connecting portion extend along a direction perpendicular to a board surface of the circuit board.
In one embodiment, the coil connecting portion is a sheet-shaped elastic clamping structure with a substantially U-shaped opening, and includes a first clamping arm, a second clamping arm, and a clamping arm connecting portion connected to the first clamping arm and the second clamping arm, where the first fixing portion and the second fixing portion are provided with two pairs, one pair is connected to two opposite sides of the first clamping arm, and the other pair is connected to two opposite sides of the second clamping arm.
In one embodiment, the first fixing portion and the circuit board are welded and fixed, a clamping groove is formed in the vertical frame, a clamping hook is arranged on the second fixing portion, and the second fixing portion and the clamping groove are clamped and fixed along a direction perpendicular to the board surface of the circuit board.
The utility model has the following beneficial effects: the coil connecting part is arranged on one side of the board surface of the circuit board, and the first fixing part is fixedly connected to one side of the coil connecting part facing the circuit board and is fixedly and electrically connected with the circuit board, so that the space on one side of the board surface of the circuit board is well utilized to arrange the conductive connecting piece, the conductive connecting piece and the circuit board are very compact in structure, and the occupied space is smaller. Moreover, the coil connecting part is of an elastic clamping structure, and the coil leading-out end of the coil connecting part is elastically clamped to realize the electric connection of the conductive connecting piece and the coil leading-out end, so that the reliability of the electric connection of the conductive connecting piece and the coil leading-out end is ensured, the coil leading-out end and the conductive connecting piece are also very convenient to connect and assemble, and the coil leading-out end is only required to be inserted into the conductive connecting piece during product assembly.
Drawings
FIG. 1 is a schematic perspective view of a HVDC contactor of an embodiment;
FIG. 2 is a cross-sectional view of a HVDC contactor of an embodiment;
FIG. 3 is a schematic diagram of an assembly of a coil, a coil former, a circuit board, conductive connectors, and coil outlets in an embodiment;
FIG. 4 is a cross-sectional view of an assembly of a coil, a bobbin, a circuit board, a conductive connector, and a coil outlet in an embodiment;
FIG. 5 is an enlarged view of a portion of FIG. 4 at M;
FIG. 6 is a schematic perspective view of a conductive connector in an embodiment;
fig. 7 is a schematic view of the coil lead-out end of the elastic clip of the conductive connector in the embodiment.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Referring to fig. 1-3, as a preferred embodiment of the present utility model, there is provided a high voltage dc contactor comprising a contact assembly for effecting switching of the contactor and an electromagnetic drive assembly for controlling the movement of a movable reed in the contact assembly, wherein the electromagnetic drive assembly comprises a coil 3, the coil 3 being wound on a bobbin 4, the bobbin 4 providing support for the coil 3. The contactor further comprises a circuit board 1, a coil lead-out terminal 2 and a conductive connecting member 5, wherein the circuit board 1 and the coil 3 are electrically connected to control (e.g. save energy) the coil 3, the coil lead-out terminal 2 is electrically connected to the circuit board 1 through the conductive connecting member 5, and the coil lead-out terminal 2 is a lead pin in this embodiment.
Referring to fig. 2-7, the main body of the conductive connecting piece 5 is in a clip-shaped structure, and includes a coil connecting portion 50 (see fig. 6) and a first fixing portion 58 and a second fixing portion 59 respectively fixedly connected to two sides of the coil connecting portion 50, wherein the coil connecting portion 50 is in a sheet-shaped elastic clip structure with a substantially U-shaped opening, and includes a first clip arm 51, a second clip arm 52 and a clip arm connecting portion 53 connected between the first clip arm 51 and the second clip arm 52, the first clip arm 51 is provided with a first concave bent corner 54, the second clip arm 52 is provided with a second concave bent corner 55, and the coil connecting portion 50 is made of an elastic material, so that an elastic narrow opening is formed between the first concave bent corner 54 and the second bent corner 55. The coil connecting part 50 is provided on the board surface side of the circuit board 1, the first fixing part 58 is fixedly connected to the side of the coil connecting part 50 facing the circuit board 1 and extends toward the circuit board 1, the first fixing part 58 is fixedly electrically connected (e.g., welded, riveted) to the circuit board 1, the coil lead-out terminal 2 is inserted into an elastic narrow opening between the first bent boss 54 and the second bent boss 55, and is held by the elastic narrow opening, so that the coil connecting part 50 elastically clamps the coil lead-out terminal 2, and the coil lead-out terminal 2 is kept in electrical contact with the coil connecting part 50 by the elastic restoring force of the coil connecting part 50, thus achieving the electrical connection of the coil lead-out terminal 2 and the circuit board 1.
In this embodiment, the coil connecting portion 50 is disposed on the board surface side of the circuit board 1, the first fixing portion 58 is fixedly connected to the side of the coil connecting portion 50 facing the circuit board 1 and is fixedly and electrically connected to the circuit board 1, so that the space on the board surface side of the circuit board 1 is well utilized to place the conductive connecting member 5, the conductive connecting member 5 and the circuit board 1 are integrated after the conductive connecting member 5 is fixed on the circuit board 1 by the first fixing portion 58, and the conductive connecting member 5 is formed into a piece mounted on the board surface of the circuit board 1 because the coil connecting portion 50 is disposed on the board surface side of the circuit board 1, so that the structure of the conductive connecting member 5 and the circuit board 1 is very compact and the occupied space is smaller. Moreover, the coil leading-out end 2 is elastically clamped by the coil connecting part 50 to realize the electric connection between the conductive connecting piece 5 and the coil leading-out end 2, so that the reliability of the electric connection between the conductive connecting piece and the coil leading-out end is ensured, the connection assembly of the coil leading-out end 2 and the conductive connecting piece 5 is very convenient, and the coil leading-out end 2 is only required to be inserted into the conductive connecting piece 5 during the product assembly.
In addition to the coil connecting portion 50 having the first and second clamp arms 51 and 52, which are the structures specified in the present embodiment, other coil connecting portions may be used to elastically clamp the coil lead-out terminal 2 in other embodiments, and any structure is possible as long as the elastic clamping effect can be achieved. For example, the structure of the first bent lever 54 of the first clamping arm 51 is maintained unchanged, but it is also possible to make the second clamping arm 52 have a straight sheet structure, but in this embodiment, two elastic clamping points of the first bent lever 54 and the second bent lever 55 are provided, so that the reliability of elastic clamping is higher. Further, referring to fig. 2, in this embodiment, the first bent leg 54 and the second bent leg 55 are offset from each other, so as to further enhance the clamping effect and ensure good contact between the conductive connector 5 and the coil terminal 2.
In this embodiment, the opposite directions of the first clamping arm 51 and the second clamping arm 52 are parallel to the board surface of the circuit board 1, and the coil lead-out end 2 is inserted between the first clamping arm 51 and the second clamping arm 52 to force the first clamping arm 51 and the second clamping arm 52 to open, so that the first clamping arm 51 and the second clamping arm 52 do not collide with the circuit board 1. But also the coil connection portion 50 is made to be more closely attached to the circuit board 1.
In this embodiment, the first clamping arm 51 is further provided with a convex third bent crutch 56, the third bent crutch 56 is connected to one end of the first bent crutch 54 far away from the u-shaped opening of the coil connecting portion 50, the second clamping arm 52 is further provided with a convex fourth bent crutch 57, and the fourth bent crutch 57 is connected to one end of the second bent crutch 55 far away from the u-shaped opening of the coil connecting portion 50, which has the following functions: when the coil outgoing end 2 is inserted into the coil connecting part 50, the first clamping arm 51 and the second clamping arm 52 are propped open, and the convex third bent crutch 56 and the fourth bent crutch 57 can be contacted with the coil frame 4 to generate a supporting force to prevent the first bent crutch 54 and the second bent crutch 55 from continuing deformation, so that the connection reliability is ensured. Meanwhile, the convex of the third bent crutch 56 and the fourth bent crutch 57 is also a avoidance position, so as to ensure that the contact position between the coil outgoing terminal 2 and the conductive connecting piece 5 after being inserted is between the first bent crutch 54 and the second bent crutch 55 which are relatively above.
In this embodiment, the ends of the first and second clip arms 51 and 52 are tilted outward so that the "U" shaped opening of the coil connecting portion 50 is in an expanded shape so as to guide the insertion of the coil lead-out terminal 2 into the coil connecting portion 50. Of course, in other embodiments, only one of the ends of the first arm 51 and the second arm 52 may be tilted outward.
As shown in fig. 3 to 5, the circuit board 1 is fixedly disposed at one axial end of the coil frame 4, the coil frame 4 includes a stand 41 extending from one axial end thereof, the plate surface of the circuit board 1 is opposite to the stand 41, the coil connecting portion 50 is disposed between the circuit board 1 and the stand 41, and the second fixing portion 59 of the conductive connecting member 5 is fixedly connected to the other side of the coil connecting portion 50 facing away from the circuit board 1 and is fixed to the stand 41. Thus, the present embodiment realizes further fixation of the conductive connector 5 by providing the stand 41, and the conductive connector 5 is clamped and fixed between the stand 41 and the circuit board 1, so that the reliability and positional stability of the conductive connector 5 are higher. At the same time, the circuit board 1 is also fixedly connected to the stand 41 by the conductive connecting member 5, thereby realizing the fixation of the circuit board 1.
In this embodiment, the stand 41 is provided at the edge position of the coil bobbin 4, and the circuit board 1 is provided inside the stand 41, so that the axial space of the coil bobbin 4 can be utilized better, and the structure is made more compact.
In this embodiment, the first fixing portion 58 and the second fixing portion 59 disposed on opposite sides of the coil connecting portion 50 extend along the direction perpendicular to the board surface of the circuit board 1, so that the fixing connection between the first fixing portion 58 and the circuit board 1 and the fixing connection between the second fixing portion 59 and the stand 41 are more facilitated, in this embodiment, the first fixing portion 58 and the circuit board 1 are welded and fixed, the stand 41 is provided with the clamping slot 411, the second fixing portion 59 is provided with the clamping hook, and after the conductive connecting piece 5 and the circuit board 1 are fixed into a whole by welding the first fixing portion 58 and the circuit board 1, the conductive connecting piece 5 and the circuit board 1 can be clamped and fixed by the second fixing portion 59 along the direction perpendicular to the board surface of the circuit board 1, so that the assembly of the product is facilitated.
As shown in fig. 6, in the present embodiment, two pairs of the first fixing portion 58 and the second fixing portion 59 are provided, one pair is connected to opposite sides of the first clamping arm 51, and the other pair is connected to opposite sides of the second clamping arm 52, and two corresponding pairs of the clamping slots 411 on the welding point of the circuit board 1 and the stand 41 are provided. This arrangement is advantageous in that the reliability of the fixed connection of the conductive connecting member 5 with the stand 41 and the circuit board 1 is improved.
Referring to fig. 2, a slot 412 is further formed in the stand 41 in a direction opposite to the U-shaped opening of the coil connecting portion 50, and the closed end of the coil connecting portion 50 (i.e., the other end opposite to the U-shaped opening end) is inserted into the slot 412, so that the slot 412 is provided to facilitate positioning of the conductive connecting member 5 and the stand 41 during assembly.
The coil connection portion 50 of the present embodiment is an elastic clip structure, but other connection portions that can be fixedly and electrically connected to the coil lead-out terminal 2, such as a screw structure or a rivet structure, may be used in other embodiments.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (11)
1. The high-voltage direct current contactor comprises a coil, a coil leading-out end and a circuit board for controlling the coil, and is characterized in that: still include electrically conductive connecting piece, electrically conductive connecting piece includes coil connecting portion and first fixed part, coil connecting portion and coil draw-out end electricity are connected, coil connecting portion locate face one side of circuit board, first fixed part fixed connection in coil connecting portion towards one side of circuit board and towards the circuit board extends, first fixed part and circuit board fixed electricity are connected.
2. The high voltage dc contactor according to claim 1, wherein: the coil connecting part is of an elastic clamping structure, and the coil connecting part clamps and fixes the coil leading-out end so as to realize the electric connection of the coil leading-out end and the coil leading-out end.
3. The high voltage dc contactor according to claim 2, wherein: the coil connecting portion is approximately of a U-shaped opening sheet structure, and comprises a first clamping arm, a second clamping arm and a clamping arm connecting portion, wherein the first clamping arm and the second clamping arm are oppositely arranged, the clamping arm connecting portion is connected between the first clamping arm and the second clamping arm, a first concave bent corner is arranged on the first clamping arm, a second concave bent corner is arranged on the second clamping arm, the first bent corner and the second bent corner are staggered, and an elastic narrow opening for clamping the coil leading-out end is formed between the first concave bent corner and the second curved corner.
4. A high voltage direct current contactor according to claim 3, wherein: the opposite directions of the first clamping arm and the second clamping arm are parallel to the board surface of the circuit board.
5. A high voltage direct current contactor according to claim 3, wherein: the first clamping arm is further provided with a convex third bent crutch, the third bent crutch is connected with one end of the first bent crutch far away from the U-shaped opening of the coil connecting part, and/or the second clamping arm is further provided with a convex fourth bent crutch, and the fourth bent crutch is connected with one end of the second bent crutch far away from the U-shaped opening of the coil connecting part.
6. A high voltage direct current contactor according to claim 3, wherein: the ends of the first clamping arm and/or the second clamping arm are tilted outwards, so that the U-shaped opening of the coil connecting part is in an outward expansion shape.
7. The high voltage dc contactor according to claim 1, wherein: the coil rack comprises a vertical rack extending from one axial end of the coil rack, the board surface of the circuit board is opposite to the vertical rack, the coil connecting part is arranged between the circuit board and the vertical rack, the conductive connecting piece further comprises a second fixing part, and the second fixing part is fixedly connected with the other side of the coil connecting part, which is opposite to the circuit board, and is fixed with the vertical rack, so that the circuit board is fixedly connected with the vertical rack through the conductive connecting piece.
8. The high voltage dc contactor according to claim 7, wherein: the stand is arranged at the edge of the coil rack, and the circuit board is arranged at the inner side of the stand.
9. The high voltage dc contactor according to claim 7, wherein: the first fixing part and the second fixing part arranged on two opposite sides of the coil connecting part extend along the direction vertical to the board surface of the circuit board.
10. The high voltage dc contactor according to claim 7, wherein: the coil connecting part is of a sheet-shaped elastic clamping structure with a U-shaped opening, and comprises a first clamping arm, a second clamping arm and a clamping arm connecting part, wherein the first clamping arm and the second clamping arm are oppositely arranged, the clamping arm connecting part is connected with the first clamping arm and the second clamping arm, two pairs of first fixing parts and second fixing parts are arranged, one pair of first fixing parts is connected with two opposite sides of the first clamping arm, and the other pair of first fixing parts is connected with two opposite sides of the second clamping arm.
11. The high voltage direct current contactor according to claim 7 or 9, wherein: the first fixing part is welded and fixed with the circuit board, the stand is provided with a clamping groove, the second fixing part is provided with a clamping hook, and the second fixing part is clamped and fixed with the clamping groove along the direction perpendicular to the board surface of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858743.7U CN219873339U (en) | 2023-04-17 | 2023-04-17 | High-voltage direct-current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858743.7U CN219873339U (en) | 2023-04-17 | 2023-04-17 | High-voltage direct-current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873339U true CN219873339U (en) | 2023-10-20 |
Family
ID=88324993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320858743.7U Active CN219873339U (en) | 2023-04-17 | 2023-04-17 | High-voltage direct-current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873339U (en) |
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2023
- 2023-04-17 CN CN202320858743.7U patent/CN219873339U/en active Active
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