CN220106369U - AC contactor - Google Patents
AC contactor Download PDFInfo
- Publication number
- CN220106369U CN220106369U CN202321500100.1U CN202321500100U CN220106369U CN 220106369 U CN220106369 U CN 220106369U CN 202321500100 U CN202321500100 U CN 202321500100U CN 220106369 U CN220106369 U CN 220106369U
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- Prior art keywords
- inner shell
- shell
- contact
- injection molding
- connecting rod
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims description 26
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 12
- 235000000396 iron Nutrition 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to an alternating current contactor which comprises a shell, an electromagnetic system and a contact system, wherein the shell comprises a first inner shell, a second inner shell, a first outer shell and a second outer shell, a weak current accommodating cavity for accommodating the electromagnetic system is formed between the first inner shell and the second inner shell, a strong capacitance accommodating cavity for accommodating the contact system is formed between the first inner shell and the first outer shell and between the second inner shell and the second outer shell, the electromagnetic system comprises a coil rack, a coil arranged on the coil rack, an iron core arranged in the coil rack, two yokes arranged on the coil rack at two ends of the corresponding iron core, and an armature assembly which is rotatably arranged in the weak current accommodating cavity and matched with the two yokes, and a connecting rod for driving the contact system to execute a split-combination action is arranged on the armature assembly. The utility model has the advantages of simple structure, stable and reliable performance, high assembly efficiency and high safety.
Description
Technical Field
The utility model relates to an alternating current contactor.
Background
The working principle of the AC contactor is to use electromagnetic force to match with spring force to realize the connection and disconnection of the contact. The ac contactor has two operating states: a power-off state (released state) and a power-on state (active state). When the attraction coil is electrified, the static iron core generates electromagnetic attraction, the armature is attracted, and the connecting rod connected with the armature drives the contact to act, so that the normally closed contact is in an electrified state; when the attraction coil is powered off, the electromagnetic attraction force disappears, the armature is opened again, the normally open contact is closed, the normally open contact is released under the action of the position spring, all contacts are reset along with the release, and the contactor is in a power-off state. The alternating current contactor comprises a shell, an electromagnetic system (weak current part) and a contact system (strong current part), the weak current part and the strong current and weak current of the existing alternating current contactor are basically not isolated, the distance is relatively short, potential safety hazards exist, and the safety is not high. And the existing alternating current contactor cannot realize modularized assembly, and the assembly efficiency is low.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the alternating current contactor which has the advantages of simple structure, stable and reliable performance, high assembly efficiency and high safety.
In order to achieve the above purpose, the utility model adopts an alternating current contactor, which comprises a shell, an electromagnetic system and a contact system, wherein the shell comprises a first inner shell, a second inner shell arranged on the first inner shell, a first outer shell arranged on the first inner shell and a second outer shell arranged on the second inner shell, a weak current accommodating cavity for accommodating the electromagnetic system is formed between the first inner shell and the second inner shell, a strong capacitance accommodating cavity for accommodating the contact system is formed between the first inner shell and the first outer shell and between the second inner shell and the second outer shell, the electromagnetic system comprises a coil frame, a coil arranged on the coil frame, an iron core arranged in the coil frame, two yokes arranged on the coil frame at two ends of the corresponding iron core, and an armature assembly which is rotatably arranged in the weak capacitance accommodating cavity and is matched with the two yokes, and a connecting rod for driving the contact system to execute a switching action is arranged on the armature assembly.
The beneficial effects of the structure are as follows: the electromagnetic system and the contact system are respectively arranged in the weak current accommodating cavity and the strong capacitor accommodating cavity of the shell, so that the strong and weak current separation of the electromagnetic system and the contact system can be realized, the insulation distance is larger, the safety performance is higher, the magnetic field generated by the contact system in the strong capacitor accommodating cavity can not interfere the electromagnetic system in the weak capacitor accommodating cavity, the misoperation of the alternating current contactor caused by the interference of the magnetic field can be avoided, and the working reliability of the alternating current contactor can be improved. And the electromagnetic system drives the contact system to execute the opening and closing actions by adopting the same connecting rod, so that the synchronism of the actions of multiple groups of contacts of the electromagnetic system can be ensured. Therefore, the alternating current contactor has the advantages of simple structure, stable and reliable performance, high assembly efficiency and high safety.
The armature assembly comprises an injection molding piece and an armature arranged on the injection molding piece, wherein the injection molding piece is arranged in the weak capacitor accommodating cavity in a rotating mode, two ends of the armature are provided with attraction parts which extend out of the injection molding piece and are matched with the two yoke irons, and one end of the connecting rod is connected to the injection molding piece and forms linkage matching of the connecting rod and the injection molding piece. The armature assembly adopts a modularized structural design, so that the modularized assembly of the armature assembly and the shell can be realized, and the armature is provided with the attraction parts matched with the two yoke irons, so that the reliable attraction of the armature and the two yoke irons can be ensured, and the working reliability of the alternating current contactor can be improved.
Particularly, the injection molding piece both sides on be provided with the location boss respectively, first inner shell, second inner shell in be provided with respectively with location boss matched with constant head tank, the location boss set up in the constant head tank, and constitute the rotation of injection molding piece and first inner shell, second inner shell and be connected the cooperation. The injection molding piece is assembled with the first inner shell and the second inner shell in a clamping fit manner, so that the armature assembly can be assembled with the first inner shell and the second inner shell in a modularized manner, and the assembly efficiency is higher.
Specifically, the contact system comprises two groups of contact assemblies, the two groups of contact assemblies are respectively arranged in a strong capacitance cavity between a first inner shell and a first outer shell and between a second inner shell and a second outer shell, the contact assemblies comprise a moving contact group and a fixed contact which are arranged in linkage with a connecting rod, the moving contact group comprises a supporting frame, a contact rack which is rotatably arranged on the supporting frame, a moving contact which is arranged on the contact rack, and a torsion spring which is arranged between the moving contact and the contact rack, a driving shaft is arranged between the contact rack and the connecting rod, and the driving shaft moves along with the connecting rod and can drive the contact rack to execute opening and closing actions. The torsional spring can increase the contact pressure of the moving contact, so that the contact between the moving contact and the fixed contact is more reliable, the connecting rod drives the two groups of contact assemblies through the driving shaft, so that the action synchronism of the two groups of contact assemblies can be ensured, the two groups of contact assemblies are respectively arranged in the independent strong capacitor cavity, the insulating performance is better, and the safety is higher.
Specifically, one end of the fixed contact is provided with a fixed contact matched with the movable contact, the other end of the fixed contact extends to a wiring part outside the shell, and a wiring terminal is arranged on the wiring part.
Particularly, the first inner shell and the second inner shell are respectively provided with a positioning clamping groove at two sides of the corresponding support frame, and the two sides of the support frame are respectively clamped in the positioning clamping grooves to form clamping fit of the first inner shell, the second inner shell and the support frame. The support frame block is in first inner shell, second inner shell to the assembly of support frame and first inner shell, second inner shell is convenient for, thereby can realize the modularization assembly of moving contact group and first inner shell, second inner shell, and assembly efficiency is higher.
Particularly, be connected with the screw between first inner shell and the second inner shell, first shell, second shell on be provided with a plurality of joint boards respectively, be provided with the joint hole on a plurality of joint boards respectively, first inner shell, second inner shell on be provided with a plurality of slots with a plurality of joint board matched with respectively, be provided with the joint piece with joint hole matched with in a plurality of slots respectively, the joint piece block in the joint hole, and constitute the joint cooperation of first inner shell and first shell, second inner shell and second shell. The first inner shell is connected with the first outer shell and the second inner shell is connected with the second outer shell in a clamping fit mode, so that the first inner shell is convenient to assemble with the first outer shell and the second inner shell is convenient to assemble with the second outer shell.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is an internal structural diagram of an embodiment of the present utility model.
Fig. 4 is a perspective view of an armature assembly according to an embodiment of the utility model.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present utility model is an ac contactor, including a housing 10, an electromagnetic system 20, and a contact system 30, where the housing 10 includes a first inner housing 11, a second inner housing 12 disposed on the first inner housing 11, a first outer housing 13 disposed on the first inner housing 11, a second outer housing 14 disposed on the second inner housing 12, a weak current accommodating cavity 100 for accommodating the electromagnetic system 20 is formed between the first inner housing 11 and the second inner housing 12, a strong current accommodating cavity 101 for accommodating the contact system 30 is formed between the first inner housing 11 and the first outer housing 13, and between the second inner housing 12 and the second outer housing 14, the electromagnetic system 20 includes a coil frame 21, a coil 211 disposed on the coil frame 21, an iron core 22 disposed in the coil frame 21, two yokes 23 disposed on both ends of the corresponding iron core 22 on the coil frame 21, and an assembly 24 for rotating the two yokes 23 and cooperating with the weak current accommodating cavity 100, and a connecting rod system 25 for driving the contact system 30 is disposed on the assembly 24 of the armature. The armature assembly 24 includes an injection molding piece 241 rotatably disposed in the weak capacitor cavity 100, and an armature 242 disposed on the injection molding piece 241, wherein two ends of the armature 242 have engaging portions 2421 extending outside the injection molding piece 241 and engaged with the two yokes 242, and one end of the connecting rod 25 is connected to the injection molding piece 241, and forms a linkage engagement between the connecting rod 25 and the injection molding piece 241. The armature assembly adopts a modularized structural design, so that the modularized assembly of the armature assembly and the shell can be realized, and the armature is provided with the attraction parts matched with the two yoke irons, so that the reliable attraction of the armature and the two yoke irons can be ensured, and the working reliability of the alternating current contactor can be improved. The two sides of the injection molding piece 241 are respectively provided with a positioning boss 2411, the first inner shell 11 and the second inner shell 12 are respectively provided with a positioning groove 111 matched with the positioning boss 2411, and the positioning boss 2411 is arranged in the positioning groove 111 and forms the rotation connection fit of the injection molding piece 241 and the first inner shell 11 and the second inner shell 12. The injection molding piece is assembled with the first inner shell and the second inner shell in a clamping fit manner, so that the armature assembly can be assembled with the first inner shell and the second inner shell in a modularized manner, and the assembly efficiency is higher.
As shown in fig. 2 and 4, the contact system 30 includes two groups of contact assemblies 31, the two groups of contact assemblies 31 are respectively disposed in the strong capacitance cavity 101 between the first inner shell 11 and the first outer shell 13 and between the second inner shell 12 and the second outer shell 14, the contact assemblies 31 include a moving contact group 32 and a fixed contact 33 which are linked with the connecting rod 25, the moving contact group 32 includes a supporting frame 321, a contact frame 322 rotatably disposed on the supporting frame 321, a moving contact 323 disposed on the contact frame 322, and a torsion spring 324 disposed between the moving contact 323 and the contact frame 322, a driving shaft 34 is disposed between the contact frame 322 and the connecting rod 25, and the driving shaft 34 moves along with the connecting rod 25 and can drive the contact frame 322 to perform opening and closing actions. The torsional spring can increase the contact pressure of the moving contact, so that the contact between the moving contact and the fixed contact is more reliable, the connecting rod drives the two groups of contact assemblies through the driving shaft, so that the action synchronism of the two groups of contact assemblies can be ensured, the two groups of contact assemblies are respectively arranged in the independent strong capacitor cavity, the insulating performance is better, and the safety is higher. One end of the fixed contact 33 is provided with a fixed contact 331 matched with the movable contact 323, the other end of the fixed contact 33 extends to a wiring part 322 outside the shell 10, and a wiring terminal 35 is arranged on the wiring part 322. The two sides of the first inner shell 11 and the second inner shell 12 corresponding to the supporting frame 321 are respectively provided with a positioning clamping groove 112, the two sides of the supporting frame 321 are respectively clamped in the positioning clamping grooves 112, and the first inner shell 11, the second inner shell 12 and the supporting frame 321 are in clamping fit. The support frame block is in first inner shell, second inner shell to the assembly of support frame and first inner shell, second inner shell is convenient for, thereby can realize the modularization assembly of moving contact group and first inner shell, second inner shell, and assembly efficiency is higher. The first inner shell 11 and the second inner shell 12 between be connected with screw 15, first shell 13, second shell 14 on be provided with a plurality of joint boards 113 respectively, be provided with joint hole 114 on a plurality of joint boards 113 respectively, first inner shell 11, second inner shell 12 on be provided with a plurality of slots 115 with a plurality of joint boards 113 matched with respectively, be provided with the joint piece 116 with joint hole 114 matched with respectively in a plurality of slots 115, joint piece 116 block in joint hole 114, and constitute the joint cooperation of first inner shell 11 and first shell 13, second inner shell 12 and second outer shell 14. The first inner shell is connected with the first outer shell and the second inner shell is connected with the second outer shell in a clamping fit mode, so that the first inner shell is convenient to assemble with the first outer shell and the second inner shell is convenient to assemble with the second outer shell.
The electromagnetic system and the contact system are respectively arranged in the weak current accommodating cavity and the strong capacitor accommodating cavity of the shell, so that the strong and weak current separation of the electromagnetic system and the contact system can be realized, the insulation distance is larger, the safety performance is higher, the magnetic field generated by the contact system in the strong capacitor accommodating cavity can not interfere the electromagnetic system in the weak capacitor accommodating cavity, the misoperation of the alternating current contactor caused by the interference of the magnetic field can be avoided, and the working reliability of the alternating current contactor can be improved. And the electromagnetic system drives the contact system to execute the opening and closing actions by adopting the same connecting rod, so that the synchronism of the actions of multiple groups of contacts of the electromagnetic system can be ensured. Therefore, the alternating current contactor has the advantages of simple structure, stable and reliable performance, high assembly efficiency and high safety.
Claims (7)
1. An alternating current contactor, includes casing, electromagnetic system, contact system, its characterized in that: the shell include first inner shell, set up the second inner shell on first inner shell, set up the first shell on first inner shell, set up the second shell on the second inner shell, first inner shell and second inner shell between be formed with the weak current holding chamber that is used for placing electromagnetic system, first inner shell and first shell between, be formed with the strong electric capacity that is used for placing contact system between second inner shell and the second shell and put the chamber, electromagnetic system include the coil former, set up the coil on the coil former, set up two yokes on the coil former corresponding iron core both ends department setting, rotate the armature subassembly that sets up in weak electric capacity and cooperatees with two yokes, armature subassembly on be provided with the connecting rod that is used for driving contact system and carries out the separation and reunion action.
2. The ac contactor as claimed in claim 1, wherein: the armature assembly comprises an injection molding piece and an armature, wherein the injection molding piece is arranged in a weak capacitor cavity in a rotating mode, the armature is arranged on the injection molding piece, two ends of the armature are provided with attraction parts which extend out of the injection molding piece and are matched with two yoke irons, one end of a connecting rod is connected to the injection molding piece, and the connecting rod is in linkage fit with the injection molding piece.
3. The ac contactor as claimed in claim 2, wherein: the injection molding machine is characterized in that positioning bosses are respectively arranged on two sides of the injection molding piece, positioning grooves matched with the positioning bosses are respectively arranged in the first inner shell and the second inner shell, and the positioning bosses are arranged in the positioning grooves and form rotary connection fit of the injection molding piece and the first inner shell and the second inner shell.
4. An ac contactor according to claim 1 or 2, wherein: the contact system comprises two groups of contact assemblies, the two groups of contact assemblies are respectively arranged in a strong capacitor cavity between a first inner shell and a first outer shell and between a second inner shell and a second outer shell, the contact assemblies comprise a moving contact group and a fixed contact which are arranged in linkage with a connecting rod, the moving contact group comprises a supporting frame, a contact rack arranged on the supporting frame in a rotating mode, a moving contact arranged on the contact rack, a torsion spring arranged between the moving contact and the contact rack, a driving shaft is arranged between the contact rack and the connecting rod, and the driving shaft moves along with the connecting rod and can drive the contact rack to execute opening and closing actions.
5. The ac contactor as claimed in claim 4, wherein: one end of the fixed contact is provided with a fixed contact matched with the movable contact, the other end of the fixed contact extends to a wiring part outside the shell, and a wiring terminal is arranged on the wiring part.
6. The ac contactor as claimed in claim 4, wherein: the two sides of the first inner shell and the second inner shell, which correspond to the supporting frames, are respectively provided with a positioning clamping groove, the two sides of the supporting frames are respectively clamped in the positioning clamping grooves, and the first inner shell, the second inner shell and the supporting frames are matched in a clamping way.
7. An ac contactor according to claim 1 or 2, wherein: the first inner shell and the second inner shell between be connected with the screw, first shell, second shell on be provided with a plurality of joint boards respectively, be provided with the joint hole on a plurality of joint boards respectively, first inner shell, second inner shell on be provided with respectively with a plurality of joint board matched with a plurality of slot, be provided with respectively in a plurality of slots with joint hole matched with joint piece, joint piece block in the joint hole, and constitute the joint cooperation of first inner shell and first shell, second inner shell and second shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500100.1U CN220106369U (en) | 2023-06-12 | 2023-06-12 | AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321500100.1U CN220106369U (en) | 2023-06-12 | 2023-06-12 | AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106369U true CN220106369U (en) | 2023-11-28 |
Family
ID=88869109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321500100.1U Active CN220106369U (en) | 2023-06-12 | 2023-06-12 | AC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106369U (en) |
-
2023
- 2023-06-12 CN CN202321500100.1U patent/CN220106369U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |