CN221079895U - External circuit module for alternating current contactor - Google Patents
External circuit module for alternating current contactor Download PDFInfo
- Publication number
- CN221079895U CN221079895U CN202322805006.3U CN202322805006U CN221079895U CN 221079895 U CN221079895 U CN 221079895U CN 202322805006 U CN202322805006 U CN 202322805006U CN 221079895 U CN221079895 U CN 221079895U
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- circuit module
- base
- contactor
- shell
- clamping
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- 230000013011 mating Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides an external circuit module for an alternating current contactor, which comprises a base, a shell and a circuit component, wherein the base is connected with the shell, an accommodating space is formed between the shell and the base, and the circuit component is arranged in the accommodating space; the base is provided with a protruding part, the outer side of the protruding part is provided with a first buckle body, and the base is detachably connected with the contactor body; the circuit component comprises a main circuit module, wherein the main circuit module is provided with a second connecting terminal and a first connecting terminal used for connecting the contactor body; the base is provided with a connecting terminal through hole which can enable the first connecting terminal to pass through, the shell is provided with a limiting groove, the first connecting terminal is arranged in the limiting groove, and the shell is provided with a wiring hole corresponding to the first connecting terminal. According to the external mounting structure, the circuit module is arranged outside the contact body, so that the heat dissipation performance is better, the internal circuit components are not easy to overheat, and the circuit module is convenient to overhaul and replace.
Description
Technical Field
The utility model relates to the technical field of contactors, in particular to an external circuit module for an alternating current contactor.
Background
The conventional structure of the alternating current contactor in the current market is as follows: the alternating current contactor comprises an alternating current contactor body, wherein a circuit module is arranged inside the alternating current contactor, the circuit module is arranged in the contactor and connected with a coil, and the circuit module comprises a rectifier bridge module, an anti-surge module and the like.
When the coil in the alternating current contactor supplies power to work, the built-in circuit module works and controls the contactor coil to be electrified, when the alternating current and direct current module is electrified with alternating current, the rectifier bridge module in the module starts to work, the alternating current is rectified into direct current through the rectifier circuit, and after the direct current is electrified, the coil works normally. When the coil is powered off, reverse surge voltage can be generated by the coil, and at the moment, the anti-surge module in the module starts to work, and the effect of reducing the surge is achieved by absorbing the overvoltage in the circuit.
However, the conventional ac contactor has the following problems: 1. because the circuit module is integrated in the AC body, the integrated structure leads to poor heat dissipation of the circuit module and easy overhigh temperature of the circuit module; 2. in the traditional built-in circuit module structure, once the circuit module breaks down, the whole alternating current contactor needs to be detached from the circuit system and replaced, so that the operation is inconvenient, and the replacement cost is high.
Disclosure of Invention
The utility model aims to solve the problems that the traditional alternating current contactor has poor heat dissipation performance and is troublesome to overhaul and replace due to the fact that a circuit module is integrated inside the alternating current contactor, and provides an external circuit module for the alternating current contactor, which can effectively solve the problems.
The utility model aims at realizing the following technical scheme: an external circuit module for an alternating current contactor comprises a base, a shell and a circuit component, wherein the base is connected with the shell, an accommodating space is formed between the shell and the base, and the circuit component is arranged in the accommodating space;
The base is provided with a protruding part, the outer side of the protruding part is provided with a first buckle body used for connecting the contactor body, and the base is detachably connected with the contactor body;
The circuit component comprises a main circuit module, wherein the main circuit module is provided with a second connecting terminal and a first connecting terminal used for connecting the contactor body; the base is provided with a connecting terminal through hole which can enable the first connecting terminal to pass through;
The shell is provided with a limit groove, the first connecting terminal is arranged in the limit groove, and the shell is provided with a wiring hole corresponding to the first connecting terminal.
In the utility model, the second connecting terminal is connected with an external live wire and a zero wire, and the first connecting terminal is connected with a corresponding incoming wire terminal on the contactor body. The external circuit module is connected to the outside of the contactor body and is detachably connected with the contactor body through the first buckle body; on the one hand, the external circuit module structure is arranged outside the contact body, so that the heat dissipation performance is better, and the internal circuit components are not easy to overheat; on the other hand, the structure facilitates the maintenance and replacement of the circuit module, when the circuit module encounters a fault, the first connecting terminal on the external circuit module is disconnected with the contactor body, and then the external circuit module can be conveniently detached from the contactor body and the internal circuit components are maintained, so that the whole alternating current contactor is not required to be detached from the circuit system, and the maintenance and replacement of the circuit module are facilitated. When the circuit module cannot be repaired, the whole external circuit module can be replaced.
Preferably, the base is provided with a second buckle body, and the shell is provided with a buckle groove matched with the second buckle body. The shell is connected with the base through the second buckle body and the buckle groove, and the mode of buckle connection is greatly convenient for connection and disassembly between the base and the shell.
Preferably, the contactor body is provided with a connecting groove matched with the protruding part, and the inner wall of the connecting groove is provided with a connecting clamping groove matched with the first clamping buckle body;
When the external circuit module is connected with the contactor body, the protruding part is connected in the connecting groove, and the first buckle body on the protruding part is clamped into the connecting clamping groove.
After the protruding part is connected to the connecting groove on the contactor body, the first connecting terminal is connected with the corresponding incoming line terminal on the contactor body, so that the electric connection between the first connecting terminal and the incoming line terminal is realized.
Preferably, the main circuit module is provided with an additional circuit module, an additional accommodating cavity is formed at the inner side of the protruding part, and the additional circuit module is positioned in the additional accommodating cavity. The protruding part can be used as a connector to connect with the contactor body; on the other hand, the existence of the protruding part forms an additional accommodating cavity on the inner side of the protruding part, enlarges the volume between the outer shell and the base and can be used for accommodating additional circuit modules or more electronic devices. Wherein the additional circuit module may be an anti-surge module.
Preferably, the base is provided with clamping components for connecting the first connecting terminals, each clamping component comprises two oppositely arranged clamping bodies, each clamping body is provided with a clamping groove, two sides of each first connecting terminal are respectively provided with a clamping block, and the clamping blocks are clamped into the clamping grooves. The first connecting terminal is L-shaped, is connected with the clamping part in a clamping way and is fixed on the inner side of the base.
Preferably, the engaging member is provided on one side of the connecting terminal through hole.
The beneficial effects of the utility model are as follows:
1. According to the external mounting structure, the circuit module is arranged outside the contact body, so that the heat dissipation performance is better, and the internal circuit components are not easy to overheat.
2. The external mounting structure facilitates the maintenance and replacement of the circuit module, when the circuit module encounters a fault, the external circuit module can be conveniently detached from the contactor body and the internal circuit components are maintained only by disconnecting the first connecting terminal on the external circuit module from the contactor body, and the whole alternating current contactor is not required to be detached from the circuit system, so that the maintenance and replacement of the circuit module are facilitated; the shell and the base are detachably connected, so that the shell and the base can be conveniently detached; when the circuit module cannot be repaired, the whole external circuit module can be replaced.
Drawings
FIG. 1 is a schematic view of one of the directions of the present utility model.
Fig. 2 is a schematic view of another direction of the present utility model.
Fig. 3 is an exploded view of the present utility model.
Fig. 4 is a schematic diagram of the structure of the circuit component.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic view of the structure of the base in one direction.
Fig. 7 is a schematic view of another direction of the base.
Fig. 8 is a schematic structural diagram of the first connection terminal and the base.
Fig. 9 is a schematic structural view of the housing.
Fig. 10 is a schematic view of the second connection terminal mated with the housing.
Fig. 11 is a schematic diagram of an external circuit module connected to a contactor body.
Fig. 12 is an enlarged view of a portion B in fig. 11.
In the figure: 1. base, 2, shell, 3, bellying, 4, first buckle body, 5, first connecting terminal, 6, the wiring hole, 7, main circuit module, 8, additional circuit module, 9, second connecting terminal, 10, second buckle body, 11, the buckle groove, 12, fixture block, 13, the joint body, 14, the joint groove, 15, connecting terminal through-hole, 16, additional holding chamber, 17, spacing groove, 18, contactor body, 19, connecting groove, 20, connection draw-in groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
As shown in fig. 1 to 12, an external circuit module for an ac contactor includes a base 1, a housing 2, and circuit components. An accommodation space is formed between the housing 2 and the base 1, and the circuit component is disposed in the accommodation space.
The base 1 is connected with the housing 2. Wherein, be equipped with second buckle body 10 on the base 1, be equipped with on the shell 2 with second buckle body 10 matched with buckle groove 11. The shell 2 and the base 1 are connected through the second buckling body 10 and the buckling groove 11, and when the shell 2 and the base 1 are connected, the second buckling body 10 on the base 1 is buckled into the buckling groove 11 on the shell 2. The mode of the buckle connection realizes the detachable connection between the shell and the base, and is greatly convenient for the connection and the disassembly between the base 1 and the shell 2.
The base 1 is provided with a protruding part 3, the outer side of the protruding part 3 is provided with a first buckle body 4 used for being connected with the contactor body 18, and the base 1 is detachably connected with the contactor body 18. The contactor body 18 is provided with a connecting groove 19 matched with the protruding part 3, and the inner wall of the connecting groove 19 is provided with a connecting clamping groove 20 matched with the first buckle body 4. When the external circuit module is connected with the contactor body 18, the protruding part 3 is connected in the connecting groove 19, and the first fastening body 4 on the protruding part 3 is fastened in the connecting clamping groove 20.
The circuit component comprises a main circuit module 7, and the main circuit module 7 is provided with a second connection terminal 9 and a first connection terminal 5 for connecting with a contactor body 18. The first connection terminal 5 is L-shaped, a connection terminal through hole 15 through which the first connection terminal 5 can pass is provided on the base 1, and one end of the first connection terminal 5 is serially connected through the connection terminal through hole 15.
The base 1 is provided with a clamping component for connecting the first connecting terminal 5, and the clamping component is arranged at one side of the connecting terminal through hole 15. Each clamping component comprises two oppositely arranged clamping bodies 13, clamping grooves 14 are formed in the clamping bodies 13, clamping blocks 12 are respectively arranged on two sides of the first connecting terminal 5, and the clamping blocks 12 are clamped into the clamping grooves 14. The first connection terminal 5 is connected to the clamping member in a clamped manner and is fixed to the inner side of the base 1.
The main circuit module 7 is provided with an additional circuit module 8, an additional accommodating cavity 16 is formed on the inner side of the protruding part 3, and the additional circuit module 8 is positioned in the additional accommodating cavity 16. The protruding part 3 can be used as a connecting body to realize connection with the contactor body 18; on the other hand, the presence of the protruding portion 3 forms an additional housing cavity 16 inside thereof, expanding the volume between the housing 2 and the base 1, which can be used for housing additional circuit modules 8 or more electronic components.
The shell 2 is provided with a limit groove 17, the first connecting terminal 5 is arranged in the limit groove 17, and the shell 2 is provided with a wiring hole 6 corresponding to the first connecting terminal 5.
In the utility model, the second connection terminal 9 is connected with an external live wire and a zero wire, and the first connection terminal 5 is connected with a corresponding incoming wire terminal on the contactor body 18. The external circuit module is connected to the outside of the contactor body 18 and is detachably connected with the contactor body 18 through the first buckle body 4; on the one hand, the external circuit module structure is arranged outside the contact body, so that the heat dissipation performance is better, and the internal circuit components are not easy to overheat; on the other hand, the structure facilitates the maintenance and replacement of the circuit module, when the circuit module is in fault, the external circuit module can be conveniently detached from the contactor body 18 and the internal circuit components are maintained only by disconnecting the first connecting terminal 5 on the external circuit module from the contactor body 18, and the whole alternating current contactor is not detached from the circuit system, so that the maintenance and replacement of the circuit module are facilitated; the shell 2 and the base 1 are detachably connected, so that the shell 2 and the base 1 can be conveniently detached; when the circuit module cannot be repaired, the whole external circuit module can be replaced.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.
Claims (6)
1. An external circuit module for an alternating current contactor is characterized by comprising a base, a shell and a circuit component, wherein the base is connected with the shell, an accommodating space is formed between the shell and the base, and the circuit component is arranged in the accommodating space;
The base is provided with a protruding part, the outer side of the protruding part is provided with a first buckle body used for connecting the contactor body, and the base is detachably connected with the contactor body;
The circuit component comprises a main circuit module, wherein the main circuit module is provided with a second connecting terminal and a first connecting terminal used for connecting the contactor body; the base is provided with a connecting terminal through hole which can enable the first connecting terminal to pass through;
The shell is provided with a limit groove, the first connecting terminal is arranged in the limit groove, and the shell is provided with a wiring hole corresponding to the first connecting terminal.
2. The external circuit module for an ac contactor as claimed in claim 1, wherein the base is provided with a second latch body, and the housing is provided with a latch slot for mating with the second latch body.
3. The external circuit module for the alternating current contactor according to claim 1, wherein the contactor body is provided with a connecting groove matched with the protruding part, and the inner wall of the connecting groove is provided with a connecting clamping groove matched with the first clamping buckle body;
When the external circuit module is connected with the contactor body, the protruding part is connected in the connecting groove, and the first buckle body on the protruding part is clamped into the connecting clamping groove.
4. The external circuit module for an ac contactor according to claim 1, wherein an additional circuit module is provided on said main circuit module, and an additional receiving cavity is formed inside said boss, and said additional circuit module is located in said additional receiving cavity.
5. The external circuit module for an ac contactor according to any one of claims 1 to 4, wherein the base is provided with a clamping member for connecting with the first connection terminal, each clamping member includes two oppositely disposed clamping bodies, each clamping body is provided with a clamping groove, and two sides of the first connection terminal are respectively provided with a clamping block, and the clamping blocks are clamped into the clamping grooves.
6. The external circuit module for an ac contactor as claimed in claim 5, wherein said clamping member is disposed at one side of the connection terminal through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322805006.3U CN221079895U (en) | 2023-10-18 | 2023-10-18 | External circuit module for alternating current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322805006.3U CN221079895U (en) | 2023-10-18 | 2023-10-18 | External circuit module for alternating current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079895U true CN221079895U (en) | 2024-06-04 |
Family
ID=91252656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322805006.3U Active CN221079895U (en) | 2023-10-18 | 2023-10-18 | External circuit module for alternating current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079895U (en) |
-
2023
- 2023-10-18 CN CN202322805006.3U patent/CN221079895U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |