CN217280639U - Electricity-taking circuit structure of built-in circuit board of miniature circuit breaker - Google Patents
Electricity-taking circuit structure of built-in circuit board of miniature circuit breaker Download PDFInfo
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- CN217280639U CN217280639U CN202220401778.3U CN202220401778U CN217280639U CN 217280639 U CN217280639 U CN 217280639U CN 202220401778 U CN202220401778 U CN 202220401778U CN 217280639 U CN217280639 U CN 217280639U
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- circuit breaker
- elastic contact
- elastic
- breaker body
- connecting piece
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Abstract
The utility model relates to a power-taking circuit structure of a built-in circuit board of a miniature circuit breaker, which comprises at least one PCB board, at least one circuit breaker body and at least one elastic connecting piece; the interior of the circuit breaker body is provided with a wiring bank; the PCB is provided with at least one electricity taking connecting point and at least two wiring terminals; the power taking connection point is arranged inside the breaker body, and the wiring terminal extends out of the breaker body; the circuit breaker body, the wiring bar and the elastic connecting piece are mutually matched, so that the elastic connecting piece is limited and fixed in the circuit breaker body; the elastic connecting piece comprises at least two first elastic contact parts and at least two second elastic contact parts, the first elastic contact parts are abutted to the electricity taking connection points on the PCB, and the second elastic contact parts are abutted to the wiring bar. The utility model discloses can be so that control module convenient and fast, get the electricity reliably, elastic connecting piece not with PCB board and terminal strip fixed connection, can conveniently load and unload and maintain, compare in the mode cost that the copper bar is connected lower.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a circuit structure is got to built-in circuit board of miniature circuit breaker.
Background
Miniature circuit breakers are one of the most widely used terminal protection devices in electrical terminal power distribution equipment. Along with the increase of functions of the miniature circuit breaker, the control module needs to be assembled and powered from a wiring row of the miniature circuit breaker. The current way is that control module assembles in miniature circuit breaker's the outside, gets the electricity through the mode of copper bar or wiring, connects complicacy, is unfavorable for loading and unloading or maintenance, uses the copper bar moreover with high costs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature circuit breaker embeds getting of circuit board circuit structure, its strong reliability, control module get the electricity connect convenient, and the equipment is convenient moreover, and the cost is lower relatively.
In order to achieve the above object, the utility model discloses a circuit structure is got to built-in circuit board of miniature circuit breaker, it includes an at least PCB board, an at least circuit breaker body and an at least elastic connection spare.
The inside of the circuit breaker body is provided with a wiring bar.
The PCB is provided with at least one electricity taking connecting point and at least two wiring terminals, the number of the electricity taking connecting points is equal to that of the breaker bodies, and each electricity taking connecting point corresponds to one elastic connecting piece; get the electricity tie point and arrange the inside of circuit breaker body in, binding post stretches out the outside to the circuit breaker body.
The circuit breaker body, the wiring row and the elastic connecting piece are mutually matched to enable the elastic connecting piece to be limited and fixed inside the circuit breaker body.
The elastic connecting piece comprises at least two first elastic contact parts and at least two second elastic contact parts, the first elastic contact parts are abutted to the electricity taking connection points on the PCB, and the second elastic contact parts are abutted to the wiring bar.
Preferably, the elastic connecting piece comprises a bending positioning part, a first mounting part and a second mounting part, and the first mounting part and the second mounting part are respectively positioned at two sides of the bending positioning part; the first elastic contact part is connected with the first mounting part; the second elastic contact part is connected with the second mounting part.
Preferably, the first elastic contact portion is formed by partially bending the first mounting portion, and the second elastic contact portion is formed by partially bending the second mounting portion.
Preferably, the first resilient contact portions are arranged side by side.
Preferably, at least one of the second resilient contact portions abuts a face side of the terminal block and at least one of the second resilient contact portions abuts an edge side of the terminal block.
Preferably, there are two second elastic contact portions abutting against the edge side of the terminal block, and the two second elastic contact portions are symmetrically arranged.
Preferably, the terminal block abuts against the second elastic contact part on the edge side of the terminal block and abuts against the inside of the circuit breaker body.
Preferably, the circuit breaker body is provided with a first positioning groove matched with the bending positioning part in the interior.
Preferably, the inside of circuit breaker body be equipped with PCB board complex second constant head tank, just be equipped with on the shell of circuit breaker body with the PCB board to the groove that runs through of adaptation, it just to the second constant head tank to run through the groove.
Preferably, the terminal block comprises an electrical inlet terminal block and an electrical outlet terminal block, and the electrical inlet terminal block and/or the electrical outlet terminal block are connected with the PCB board through an elastic connecting piece.
The utility model discloses following beneficial effect has:
the utility model discloses be equipped with two at least first elastic contact portion and two at least second elastic contact portions on the elastic connection spare, under the spring action, first elastic contact portion can butt PCB board reliably, and second elastic contact portion can butt wiring row reliably. When the circuit breaker is in crimping electric wires, the wiring bar can twist with a small amplitude or displace, and the poor contact problem caused by the twisting or the displacement of the wiring bar can be avoided by arranging the plurality of second elastic contact parts, so that the connection reliability is ensured. The PCB board is connected with the external control module through the wiring terminal, so that the power taking of the control module is realized, the convenience and the rapidness are realized, and the reliability is high. Elastic connecting piece does not with PCB board and terminal row fixed connection, can conveniently load and unload and maintain, compares in the mode cost that the copper bar is connected lower.
Drawings
Fig. 1 is a schematic diagram of a first embodiment.
Fig. 2 is a schematic diagram of an embodiment in which a portion of a circuit breaker body case is hidden.
FIG. 3 is a schematic view of an embodiment of an elastic connecting member.
FIG. 4 is a schematic view of an embodiment of an elastic connector assembly.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is an enlarged view of a portion B in fig. 4.
FIG. 7 is a schematic diagram of the connection of a PCB, elastic connectors and power-in terminal rows according to an embodiment.
FIG. 8 is a schematic view of the connection of an elastic connector and a power input terminal block according to an embodiment.
FIG. 9 is a schematic view of another embodiment of a resilient connector and row of power conductors.
Fig. 10 is a schematic diagram illustrating the connection of a PCB, elastic connectors, and outlet terminal strips according to an embodiment.
FIG. 11 is a schematic view showing the connection of an elastic connecting member and an outgoing terminal block according to the embodiment.
FIG. 12 is a schematic view of another embodiment of a resilient connector and an electrical outlet terminal row.
FIG. 13 is a diagram illustrating a second embodiment.
FIG. 14 is a schematic view showing connection among a PCB, a terminal block and an elastic connecting member according to the second embodiment.
Description of the main part symbols:
the circuit breaker comprises a circuit breaker body 10, an incoming terminal line bank 11, an outgoing terminal line bank 12, a first positioning groove 13, a second positioning groove 14 and a penetrating groove 15;
a PCB 20, a connecting terminal 21;
the elastic connecting piece 30, the bending positioning part 31, the first mounting part 32, the second mounting part 33, the first elastic contact part 34 and the second elastic contact part 35.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
The first embodiment is as follows:
as shown in fig. 1 to 12, the embodiment discloses a power-taking circuit structure of a built-in circuit board of a miniature circuit breaker, which comprises a circuit breaker body 10, a PCB 20 and an elastic connector 30.
The inside of circuit breaker body 10 has the terminal strip, and the terminal strip is including advancing electric end terminal strip 11 and play electric end terminal strip 12, advances electric end terminal strip 11 and play electric end terminal strip 12 and all connect PCB board 20 through elastic connecting piece 30 respectively, advances electric end terminal strip 11 and corresponds an elastic connecting piece 30 and a PCB board 20 promptly, goes out electric end terminal strip 12 and corresponds an elastic connecting piece 30 and a PCB board 20.
Have on PCB board 20 and get electric tie point and three binding post 21, get the electric tie point and arrange the inside of circuit breaker body 10 in, binding post 21 then stretches out to the outside of circuit breaker body 10 for be connected with control module.
The elastic connection member 30 is disposed inside the circuit breaker body 10 and includes a bent positioning portion 31, a first mounting portion 32, a second mounting portion 33, at least two first elastic contact portions 34, and at least two second elastic contact portions 35. The first installation part 32 and the second installation part 33 are respectively located on two sides of the bending positioning part 31, the first elastic contact part 34 is connected with the first installation part 32, and preferably, the first elastic contact part 34 is formed by partially bending the first installation part 32, so that the integrity is stronger, and the manufacture is facilitated. First elastic contact portion 34 sets up side by side, and first elastic contact portion 34 butt gets the electric tie point on the PCB board 20, has two or more contacts between the electric tie point of getting of elastic connection spare 30 and PCB board 20 like this, even the local dirty or oxidation of contact surface also can guarantee the reliability of contact. It should be noted that the first mounting portion 32 does not abut against the power-taking connection point on the PCB 20, so that the first elastic contact portion 34 can be ensured to have enough elastic force to abut against the PCB 20, and the first mounting portion 32 is prevented from contacting the position of the non-power-taking connection point of the PCB 20, thereby avoiding interference. The second elastic contact portion 35 is connected to the second mounting portion 33, and the second elastic contact portion 35 is formed by partially bending the second mounting portion 33. At least one second elastic contact portion 35 abuts against the board side of the terminal block, and at least one second elastic contact portion 35 abuts against the edge side of the terminal block. Preferably, there are two second elastic contact portions 35 abutting against the edge side of the terminal block, and the two second elastic contact portions 35 are symmetrically disposed. When the circuit breaker is used for crimping the wires, the wiring blocks can twist or displace in a small amplitude, and after the arrangement, three contacts are arranged between the elastic connecting piece 30 and any one wiring block, so that the contact reliability is ensured.
During circuit breaker body 10 was installed through the mode of pegging graft to PCB board 20, be equipped with on the shell of circuit breaker body 10 with PCB board 20 to the groove 15 that runs through of adaptation, simultaneously, be equipped with in the inside of circuit breaker body 10 with PCB board 20 complex second constant head tank 14, run through the groove just to second constant head tank 14. Through the direction that runs through groove 15 and second constant head tank 14, PCB board 20 can accomplish the installation fast for it can accurate counterpoint first elastic contact portion 34 to get the electrical connection point. In this embodiment, there is only one breaker body 10, so the end of the through slot 15 not plugged with the PCB 20 can be blocked to prevent dust or insects from entering. Can be blocked when leaving the factory, can be blocked by a sealing plug, or can be integrally formed with the breaker body 10 into a thin plate which is easy to break.
Example two:
as shown in fig. 13 to 14, the present embodiment is different from the first embodiment in that there are four breaker bodies 10, and it is also common that there are a plurality of breaker bodies 10 at the same time. Therefore, the two PCB boards 20 are provided with four power taking connection points, and the number of the wiring terminals 21 is unchanged. The structure of the elastic connecting element 30 is the same as that of the first embodiment, and the fitting relationship is the same, which is not described in detail in this embodiment. The end of the circuit breaker body 10 which is located at the very end and is remote from the connecting terminal 21 and is not plugged with the PCB 20 through the slot 15 is likewise blocked.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a circuit structure is got to built-in circuit board of miniature circuit breaker which characterized in that: comprises at least one PCB, at least one breaker body and at least one elastic connecting piece;
the interior of the circuit breaker body is provided with a wiring bar;
the PCB is provided with at least one electricity taking connecting point and at least two wiring terminals, the number of the electricity taking connecting points is equal to that of the breaker bodies, and each electricity taking connecting point corresponds to one elastic connecting piece; the power taking connection point is arranged inside the breaker body, and the wiring terminal extends out of the breaker body;
the circuit breaker body, the wiring bar and the elastic connecting piece are mutually matched, so that the elastic connecting piece is limited and fixed in the circuit breaker body;
the elastic connecting piece comprises at least two first elastic contact parts and at least two second elastic contact parts, the first elastic contact parts are abutted to the electricity taking connection points on the PCB, and the second elastic contact parts are abutted to the wiring bar.
2. The structure of claim 1, wherein the circuit breaker further comprises: the elastic connecting piece also comprises a bending positioning part, a first mounting part and a second mounting part, wherein the first mounting part and the second mounting part are respectively positioned at two sides of the bending positioning part; the first elastic contact part is connected with the first mounting part; the second elastic contact part is connected with the second mounting part.
3. The power-taking circuit structure of the internal circuit board of the miniature circuit breaker according to claim 2, characterized in that: the first elastic contact part is formed by partially bending a first mounting part, and the second elastic contact part is formed by partially bending a second mounting part.
4. The structure of claim 1 or 2, wherein the circuit breaker further comprises: the first elastic contact portions are arranged side by side.
5. The structure of claim 1 or 2, wherein the circuit breaker further comprises: at least one of the second resilient contact portions abuts the face side of the terminal block and at least one of the second resilient contact portions abuts the edge side of the terminal block.
6. The power line taking structure of the internal circuit board of the miniature circuit breaker according to claim 5, wherein: the second elastic contact parts abutting against the edge side of the wiring bar are two, and the two second elastic contact parts are symmetrically arranged.
7. The power-taking circuit structure of the internal circuit board of the miniature circuit breaker according to claim 5, characterized in that: the second elastic contact part of the wiring bar, which is abutted against the edge side of the wiring bar, is abutted against the inner part of the circuit breaker body.
8. The power-taking circuit structure of the internal circuit board of the miniature circuit breaker according to claim 2, characterized in that: the circuit breaker comprises a circuit breaker body and is characterized in that a first positioning groove matched with a bending positioning portion is formed in the circuit breaker body.
9. The structure of claim 1, wherein the circuit breaker further comprises: the inside of circuit breaker body be equipped with PCB board complex second constant head tank, just be equipped with on the shell of circuit breaker body with the PCB board to the groove that runs through of adaptation, it just to the second constant head tank to run through the groove.
10. The structure of claim 1, wherein the circuit breaker further comprises: the wiring bar comprises an electric-terminal wiring bar and an electric-terminal wiring bar, and the electric-terminal wiring bar and/or the electric-terminal wiring bar are connected with the PCB through elastic connecting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401778.3U CN217280639U (en) | 2022-02-25 | 2022-02-25 | Electricity-taking circuit structure of built-in circuit board of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401778.3U CN217280639U (en) | 2022-02-25 | 2022-02-25 | Electricity-taking circuit structure of built-in circuit board of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217280639U true CN217280639U (en) | 2022-08-23 |
Family
ID=82858233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401778.3U Active CN217280639U (en) | 2022-02-25 | 2022-02-25 | Electricity-taking circuit structure of built-in circuit board of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217280639U (en) |
-
2022
- 2022-02-25 CN CN202220401778.3U patent/CN217280639U/en active Active
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| GR01 | Patent grant |