AC contactor

Abstract

The utility model discloses an alternating current contactor, and particularly relates to the technical field of electric power fittings, in which an insulating substrate, a contact mechanism and a circuit board module are arranged, when the alternating current contactor is used, the contact mechanism is mounted at a first mounting position and extends to a position above a second mounting position along the transverse direction of the insulating substrate; the circuit board is mounted at the second mounting position, the capacitor is electrically conducted with the circuit board, and the capacitor is accommodated in the accommodating space formed between the contact mechanism and the insulating substrate, so that the capacitor can be accommodated in the accommodating space formed between the contact mechanism and the insulating substrate when the circuit board mounting structure is used. Therefore, the size of the alternating current contactor can be reduced, and the overall space of the alternating current contactor is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical accessories, and particularly relates to an AC contactor. Background Art

[0002] An AC contactor is an automatic switching electrical appliance for connecting or disconnecting the main circuit of a motor or load. It is an electrical appliance that uses electromagnetic force to close or open a switch. It is suitable for frequent operation and remote control of a strong electrical circuit, and has the protection performance of low-voltage release.

[0003] The AC contactor often adopts three arc extinguishing methods: double-break electric arc extinguishing, longitudinal slit arc extinguishing, and grid arc extinguishing. It is used to eliminate the arc generated during the separation and combination of the moving and static contacts. Contactors with a capacity above 10A are all equipped with arc extinguishing devices. The AC contactor also has auxiliary components such as a reaction spring, a buffer spring, a contact pressure spring, a transmission mechanism, a base, and a terminal.

[0004] The existing AC contactors in the prior art have the defect that they are relatively large in volume, and when the AC contactor is installed on devices such as a circuit board, they occupy a large space. Summary of the Utility Model

[0005] The main purpose of the utility model is to propose an AC contactor, aiming to solve the technical problem that the existing AC contactors in the prior art are relatively large in volume and occupy a large space when installed on devices such as a circuit board.

[0006] To achieve the above object, the utility model proposes an AC contactor, including:

[0007] An insulating substrate, on one side of which an installation area is formed. In the installation area, a first installation position and a second installation position are formed at intervals. At least two first jacks are formed on the insulating substrate corresponding to the first installation position and are spaced apart along the transverse direction of the insulating substrate. Input conductors are inserted into each of the first jacks.

[0008] A contact mechanism, which is installed at the first installation position, is electrically connected to the input conductor, and at least a part of the contact mechanism extends along the transverse direction of the insulating substrate above the second installation position to form an accommodation space with the insulating substrate; and,

[0009] A circuit board module, which includes a circuit board and a capacitor. The circuit board is installed at the second installation position and is used to be electrically connected to an external power supply, and the capacitor is installed on the circuit board and is accommodated in the accommodation space.

[0010] In an embodiment, the contact mechanism includes:

[0011] A magnetic holding component, wherein the bottom of the magnetic holding component is installed at the first installation position, and all the first jacks are distributed at intervals on one side of the magnetic holding component; and

[0012] A contact component, wherein the contact component is mounted on the top of the magnetic holding component, and at least a portion of the contact component extends laterally along the insulating substrate to above the second mounting position to form the accommodating space between the contact component and the insulating substrate, and the contact component is provided with connection positions arranged on the same side as the first jack, the number of the connection positions is consistent with that of the first jacks and is arranged one-to-one, and the input conductor plugged into the corresponding first jack is connected to the connection position.

[0013] In one embodiment, the AC contactor further includes an auxiliary detection component, and the auxiliary detection component is electrically connected to the circuit board, and the auxiliary detection component is accommodated in the accommodation space;

[0014] The contact component comprises:

[0015] a box body, the box body being mounted on the top of the magnetic holding component, and at least a portion of the box body extending in the lateral direction of the insulating substrate to above the second mounting position to form the accommodating space between the box body and the insulating substrate, the connection positions being distributed at intervals in the longitudinal direction of the insulating substrate on both sides of the box body; and

[0016] A contact piece, wherein the contact piece is slidably installed in the box body, at least part of the contact piece extends out of the box body from the top of the box body, the contact piece is arranged in the transverse direction of the insulating substrate, and the bottom of the contact piece extends vertically downward, and the contact piece can slide in the box body in the transverse direction of the insulating substrate so that the contact piece is electrically connected to the connection position and the auxiliary detection component is opened in a linked manner.

[0017] In one embodiment, the contact member includes a conductive portion and a toggle portion that are connected to each other, the toggle portion is arranged above the accommodating space, and the bottom of the toggle portion extends vertically downward into the accommodating space to form a toggle head, the conductive portion can slide laterally along the insulating substrate to be connected with the connection position, and the conductive portion can drive the toggle head to slide laterally along the insulating substrate through the toggle portion to connect or disconnect the auxiliary detection component, so that the circuit board module is in an electrically conductive state.

[0018] In one embodiment, the auxiliary detection component includes:

[0019] Mounting base, the bottom of the mounting base is mounted on the circuit board, the mounting base is received in the accommodation space and is spaced apart from the capacitor, and a mounting groove is formed in the mounting base, the mounting groove extends upward along the vertical direction from the bottom of the mounting base to the top of the mounting base, and the mounting groove communicates with the accommodation space;

[0020] First conductive member, the first conductive member is mounted in the mounting groove, and the bottom of the first conductive member is electrically connected to the circuit board, and the top of the first conductive member extends upward; and,

[0021] Second conductive member, the second conductive member is mounted in the mounting groove, the bottom of the second conductive member is electrically connected to the circuit board, the top of the second conductive member extends upward out of the mounting groove and into the accommodation space, a portion of the second conductive member near the top bends toward the first conductive member to be close to the first conductive member, and the remaining portion of the second conductive member is spaced apart from the first conductive member; the conduction portion can slide along the transverse direction of the insulating substrate to be conductive with the connection position, and the conduction portion can drive the toggle head to slide along the transverse direction of the insulating substrate through the toggle portion to make the first conductive member and the second conductive member conductive or disconnected, so that the circuit board module is in an electrically conductive state.

[0022] In one embodiment, first slot holes and second slot holes are formed in the mounting groove and are spaced apart along the transverse direction of the insulating substrate, the first conductive member is mounted in the first slot hole, the second slot hole includes a first slot section and a second slot section which are sequentially distributed from bottom to top and are in communication with each other, the second slot section extends upward to communicate with the accommodation space, and a side wall of the second slot section near the first slot hole extends upward from the top end of the first slot section and inclines toward the first slot hole, and the top of the second slot end communicates with the first slot hole.

[0023] In one embodiment, insulating protrusions are arranged at intervals upward from the bottom of the circuit board in both the first slot hole and the first slot section, and the first conductive member and the second conductive member are both in contact with the corresponding insulating protrusions.

[0024] In one embodiment, the number of the mounting grooves is two, the two mounting grooves are arranged back to back, and the first conductive member and the second conductive member are mounted in each mounting groove.

[0025] In one embodiment, a mounting hole is formed in the mounting base and penetrates along the transverse direction of the insulating substrate, and a plug-in member is formed on one side of the magnetic holding member facing the accommodation space, and the plug-in member is in plug-in fit with the mounting hole.

[0026] In one embodiment, a heat dissipation gap is formed between the circuit board and the insulating substrate.

[0027] The technical solution of the present utility model is to set an insulating substrate, a contact mechanism and a circuit board module. When in use, the contact mechanism is installed at the first installation position, and the contact mechanism extends horizontally along the insulating substrate to above the second installation position to form a receiving space with the insulating substrate. The circuit board is installed at the second installation position, and the capacitor is electrically connected to the circuit board, and the capacitor is received in the receiving space formed between the contact mechanism and the insulating substrate. When the present utility model is in use, the receiving space can be used to accommodate the capacitor, and thus the volume of the AC contactor can be reduced, and the overall space of the AC contactor is reduced. Description of the Drawings

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0029] Figure 1 Structural schematic diagram of an embodiment of the AC contactor provided by the present utility model;

[0030] Figure 2 Exploded state structural schematic diagram of the AC contactor provided by the present utility model;

[0031] Figure 3 Structural schematic diagram of the auxiliary detection component exemplified by the present utility model;

[0032] Figure 4 For Figure 3 Planar structural schematic diagram of the auxiliary detection component exemplified in

[0033] Figure 5 For Figure 4 A-A cross-sectional structural schematic diagram exemplified in

[0034] Explanation of the reference numerals in the drawings:

[0035] 100, insulating substrate; 150, installation area; 110, first installation position; 120, second installation position; 130, first jack; 140, input conductor; 200, contact mechanism; 210, accommodating space; 280, magnetic holding component; 220, contact component; 230, connection position; 221, box body; 222, contact member; 223, conducting part; 224, toggle part; 225, toggle head; 240, auxiliary detection component; 241, mounting seat; 242, mounting groove; 243, first conductive member; 244, second conductive member; 245, first slot hole; 246, second slot hole; 247, first slot section; 248, second slot section; 249, insulating protrusion; 250, mounting hole; 260, plug-in connector; 270, heat dissipation gap; 300, circuit board module; 310, circuit board; 320, capacitor.

[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0039] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0040] Please refer to Figures 1 to 5 In an embodiment of the present utility model, the AC contactor includes an insulating substrate 100, a contact mechanism 200, and a circuit board module 300. An installation area 150 is formed on one side of the insulating substrate 100. In the installation area 150, a first installation position 110 and a second installation position 120 are formed at intervals. At least two first jacks 130 are formed on the insulating substrate 100 corresponding to the first installation position 110 and are spaced apart in the transverse direction of the insulating substrate 100. An input conductor 140 is inserted into each first jack 130. The contact mechanism 200 is installed at the first installation position 110, the contact mechanism 200 is electrically connected to the input conductor 140, and at least a part of the contact mechanism 200 extends in the transverse direction of the insulating substrate 100 above the second installation position 120 to form a receiving space 210 between the contact mechanism 200 and the insulating substrate 100. The circuit board module 300 includes a circuit board 310 and a capacitor 320. The circuit board 310 is installed at the second installation position 120, and the circuit board 310 is used to conduct electricity with an external power supply. The capacitor 320 is installed on the circuit board 310 and is received in the receiving space 210.

[0041] In this embodiment, by providing the insulating substrate 100, the contact mechanism 200, and the circuit board module 300, during use, the contact mechanism 200 is installed at the first installation position 110, and the contact mechanism 200 extends in the transverse direction of the insulating substrate 100 above the second installation position 120 to form a receiving space 210 between the contact mechanism 200 and the insulating substrate 100. The circuit board 310 is installed at the second installation position 120, and the capacitor 320 is electrically connected to the circuit board 310, and the capacitor 320 is received in the receiving space 210 formed between the contact mechanism 200 and the insulating substrate 100. This enables the present utility model to utilize the provided receiving space 210 to accommodate the capacitor 320 during use, thereby reducing the volume of the AC contactor and shrinking the overall space of the AC contactor.

[0042] In some specific embodiments, the contact mechanism 200 includes a magnetic holding component 280 and a contact component 220. The bottom of the magnetic holding component 280 is installed at the first installation position 110, and all the first jacks 130 are spaced apart on one side of the magnetic holding component 280. The contact component 220 is installed on the top of the magnetic holding component 280, and at least a part of the contact component 220 extends in the transverse direction of the insulating substrate 100 above the second installation position 120 to form a receiving space 210 between the contact component 220 and the insulating substrate 100. A connection position 230 is provided on the contact component 220 on the same side as the first jacks 130. The number of the connection positions 230 is the same as that of the first jacks 130 and they are arranged in one-to-one correspondence. The input conductor 140 inserted into the corresponding first jack 130 is in communication with the connection position 230.

[0043] In this embodiment, by setting a magnetic holding component 280 and a contact component 220, the bottom of the magnetic holding component 280 is installed at the first installation position 110, and the contact component 220 is installed at the top of the magnetic holding component 280, and the contact component 220 is extended along the horizontal direction of the insulating substrate 100 to above the second installation position 120, so that the utility model can utilize the set contact component 220 to realize the function of preparing the accommodating space 210 when in use.

[0044] In some specific embodiments, the AC contactor further includes an auxiliary detection component 240, and the auxiliary detection component 240 is electrically connected to the circuit board 310, and the auxiliary detection component 240 is accommodated in the accommodation space 210;

[0045] The contact component 220 includes:

[0046] A box body 221, the box body 221 is installed on the top of the magnetic holding component 280, and at least a portion of the box body 221 extends to above the second installation position 120 along the lateral direction of the insulating substrate 100 to form a receiving space 210 between the box body 221 and the insulating substrate 100, and the connection positions 230 are distributed at intervals on both sides of the box body 221 along the longitudinal direction of the insulating substrate 100; and

[0047] The contact piece 222 is slidably installed in the box body 221, and at least a portion of the contact piece 222 extends out of the box body 221 from the top of the box body 221. The contact piece 222 is arranged horizontally along the insulating substrate 100, and the bottom of the contact piece 222 extends vertically downward. The contact piece 222 can slide in the box body 221 along the horizontal direction of the insulating substrate 100, so that the contact piece 222 is electrically connected to the connection position 230 and the auxiliary detection component 240 is opened in linkage.

[0048] In this embodiment, by setting an auxiliary detection component 240 and setting the contact component 220 to include a box body 221 and a contact piece 222, the utility model can utilize the sliding function of the set contact piece 222 in the box body 221 when in use to achieve the electrical conduction between the connection position 230 and the input conductor 140 and the linkage conduction and disconnection function of the auxiliary detection component 240.

[0049] In some exemplary embodiments, the contact member 222 includes a conductive portion 223 and a toggle portion 224 that are interconnected. The toggle portion 224 is disposed above the accommodating space 210, and the bottom of the toggle portion 224 extends vertically downward into the accommodating space 210 to form a toggle head 225. The conductive portion 223 can slide laterally along the insulating substrate 100 to be connected to the connection position 230, and the conductive portion 223 can drive the toggle head 225 to slide laterally along the insulating substrate 100 through the toggle portion 224 to connect or disconnect the auxiliary detection component 240, so that the circuit board 310 module 300 is in an electrically conductive state.

[0050] In this embodiment, by setting the contact piece 222 as a conductive part 223 and a toggle part 224 that are connected to each other, the utility model can utilize the sliding function of the contact piece 222 in the box body 221 when in use to achieve the electrical conduction between the connection position 230 and the input conductor 140 and the linkage conduction and disconnection of the auxiliary detection component 240.

[0051] In some exemplary embodiments, the auxiliary detection component 240 includes:

[0052] A mounting seat 241, the bottom of which is mounted on the circuit board 310, the mounting seat 241 is received in the accommodation space 210 and is spaced apart from the capacitor 320, and a mounting groove 242 is formed in the mounting seat 241, the mounting groove 242 vertically extends upward from the bottom of the mounting seat 241 to the top of the mounting seat 241, and the mounting groove 242 is communicated with the accommodation space 210;

[0053] A first conductive member 243, the first conductive member 243 is installed in the installation slot 242, and the bottom of the first conductive member 243 is electrically connected to the circuit board 310, and the top of the first conductive member 243 extends upward; and,

[0054] The second conductive member 244 is installed in the installation groove 242, the bottom of the second conductive member 244 is electrically connected to the circuit board 310, the top of the second conductive member 244 passes through the installation groove 242 upward and extends into the accommodating space 210, the part close to the top of the second conductive member 244 is bent toward the direction of the first conductive member 243 to be close to the first conductive member 243, and the remaining part of the second conductive member 244 is spaced apart from the first conductive member 243; the conducting portion 223 can slide along the horizontal direction of the insulating substrate 100 to be connected to the connecting position 230, and the conducting portion 223 can drive the toggle head 225 to slide along the horizontal direction of the insulating substrate 100 through the toggle portion 224 to connect or disconnect the first conductive member 243 and the second conductive member 244, so that the circuit board 310 module 300 is in an electrically conductive state.

[0055] In this embodiment, the mounting seat 241 is installed on the circuit board 310 by providing the mounting seat 241, the first conductive member 243 and the second conductive member 244, and the first conductive member 243 and the second conductive member 244 are installed in the mounting groove 242 of the mounting seat 241. Therefore, when the utility model is in use, the provided conducting portion 223 can drive the toggle head 225 to slide laterally along the insulating substrate 100 through the toggle portion 224 to connect or disconnect the first conductive member 243 and the second conductive member 244, so that the circuit board 310 module 300 is in an electrically conductive state, effectively ensuring the electrical conduction effect on the auxiliary detection component 240.

[0056] In some specific embodiments, first slot holes 245 and second slot holes 246 are formed in the mounting groove 242 and are distributed at intervals along the transverse direction of the insulating substrate 100. The first conductive member 243 is installed in the first slot hole 245. The second slot hole 246 includes a first slot section 247 and a second slot section 248 which are distributed in sequence from bottom to top and are in communication with each other. The second slot section 248 extends upward to communicate with the accommodating space 210. And one side wall of the second slot section 248 close to the first slot hole 245 extends upward from the top end of the first slot section 247 and inclines toward the direction of the first slot hole 245, and the top of the second slot end communicates with the first slot hole 245.

[0057] In this embodiment, by setting the mounting groove 242 as the first slot hole 245 and the second slot hole 246, when the present utility model is used, the first slot hole 245 and the second slot hole 246 can be used to install the first conductive member 243 and the second conductive member 244 respectively, so that the conduction and disconnection between the first conductive member 243 and the second conductive member 244 are both realized in the mounting groove 242.

[0058] In one embodiment, insulating protrusions 249 are arranged at intervals upward from the bottom of the circuit board 310 in both the first slot hole 245 and the first slot section 247. Both the first conductive member 243 and the second conductive member 244 are in contact with the corresponding insulating protrusions 249.

[0059] In this embodiment, by arranging the insulating protrusions 249 in both the first slot hole 245 and the first slot section 247, both the first conductive member 243 and the second conductive member 244 are in contact with the corresponding insulating protrusions 249. Furthermore, when the present utility model is used, the insulating protrusions 249 can be used to realize the function of stably clamping the correspondingly arranged first conductive member 243 and second conductive member 244, effectively ensuring the stability of the first conductive member 243 and the second conductive member 244.

[0060] In one embodiment, the number of the mounting grooves 242 is two. The two mounting grooves 242 are arranged back to back, and a first conductive member 243 and a second conductive member 244 are installed in each mounting groove 242.

[0061] In this embodiment, by setting the number of the mounting grooves 242 as two, when the present utility model is used, the stability between all the second conductive members 244 and the first conductive member 243 in the two mounting grooves 242 can be realized by using the two mounting grooves 242.

[0062] In one embodiment, a mounting hole 250 is formed in the mounting base 241 and penetrates along the transverse direction of the insulating substrate 100. A plug-in member 260 is formed on one side of the magnetic holding member 280 facing the accommodating space 210. The plug-in member 260 is in plug-in fit with the mounting hole 250.

[0063] In this embodiment, by providing the mounting holes 250 and simultaneously providing the plug-in connectors 260 on the magnetic holding member 280, the connection stability between the mounting base 241 and the magnetic holding member 280 can be improved by the cooperation of the provided plug-in connectors 260 and the mounting holes 250 when the present utility model is in use.

[0064] In an embodiment, a heat dissipation gap 270 is formed between the circuit board 310 and the insulating substrate 100.

[0065] In this embodiment, by forming the heat dissipation gap 270 between the circuit board 310 and the insulating substrate 100, the heat dissipation effect on the circuit board 310 is effectively ensured.

[0066] The above are only exemplary embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structural transformation made by using the content of the specification and drawings of the present utility model under the technical concept of the present utility model, or direct / indirect application in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. An AC contactor, characterized in that, include: An insulating substrate, wherein a mounting area is formed on one side of the insulating substrate, wherein a first mounting position and a second mounting position are formed in the mounting area and are spaced apart from each other, wherein at least two first plug holes are formed on the insulating substrate corresponding to the first mounting position and are spaced apart from each other in the transverse direction of the insulating substrate, and an input conductor is inserted into each of the first plug holes; A contact mechanism, the contact mechanism is installed at the first installation position, the contact mechanism is in conduction with the input conductor, and at least a portion of the contact mechanism extends in a lateral direction of the insulating substrate to above the second installation position to form a receiving space between the contact mechanism and the insulating substrate; as well as, A circuit board module, the circuit board module includes a circuit board and a capacitor, the circuit board is installed at the second installation position, and the circuit board is used to be connected to an external power supply, and the capacitor is installed on the circuit board and accommodated in the accommodation space.

2. The AC contactor according to claim 1, characterized in that, The contact mechanism comprises A magnetic holding component, wherein the bottom of the magnetic holding component is installed at the first installation position, and all the first jacks are distributed at intervals on one side of the magnetic holding component; and A contact component, wherein the contact component is mounted on the top of the magnetic holding component, and at least a portion of the contact component extends laterally along the insulating substrate to above the second mounting position to form the accommodating space between the contact component and the insulating substrate, and the contact component is provided with connection positions arranged on the same side as the first jack, the number of the connection positions is consistent with that of the first jacks and is arranged one-to-one, and the input conductor plugged into the corresponding first jack is connected to the connection position.

3. The AC contactor according to claim 2, characterized in that, The AC contactor further includes an auxiliary detection component, and the auxiliary detection component is electrically connected to the circuit board, and the auxiliary detection component is accommodated in the accommodation space; The contact component comprises: a box body, the box body being mounted on the top of the magnetic holding component, and at least a portion of the box body extending in the lateral direction of the insulating substrate to above the second mounting position to form the accommodating space between the box body and the insulating substrate, the connection positions being distributed at intervals in the longitudinal direction of the insulating substrate on both sides of the box body; and A contact piece, wherein the contact piece is slidably installed in the box body, at least part of the contact piece extends out of the box body from the top of the box body, the contact piece is arranged in the transverse direction of the insulating substrate, and the bottom of the contact piece extends vertically downward, and the contact piece can slide in the box body in the transverse direction of the insulating substrate so that the contact piece is electrically connected to the connection position and the auxiliary detection component is opened in a linked manner.

4. The AC contactor according to claim 3, characterized in that, The contact member includes a conducting portion and a toggle portion which are connected to each other. The toggle portion is arranged above the accommodating space, and the bottom of the toggle portion extends vertically downward into the accommodating space to form a toggle head. The conducting portion can slide laterally along the insulating substrate to be connected with the connecting position, and the conducting portion can drive the toggle head to slide laterally along the insulating substrate through the toggle portion to connect or disconnect the auxiliary detection component, so that the circuit board module is in an electrically conductive state.

5. The AC contactor according to claim 4, characterized in that, The auxiliary detection component includes: a mounting base, the bottom of the mounting base is mounted on the circuit board, the mounting base is received in the accommodation space and is spaced apart from the capacitor, and an installation groove is formed in the mounting base, the installation groove extends upward from the bottom of the mounting base along the vertical direction to the top of the mounting base, and the installation groove communicates with the accommodation space; a first conductive member, the first conductive member is installed in the installation groove, and the bottom of the first conductive member is electrically connected to the circuit board, and the top of the first conductive member extends upward; and, a second conductive member, the second conductive member is installed in the installation groove, the bottom of the second conductive member is electrically connected to the circuit board, the top of the second conductive member extends upward out of the installation groove and into the accommodation space, a part of the second conductive member near the top bends toward the first conductive member to be close to the first conductive member, and the remaining part of the second conductive member is spaced apart from the first conductive member; the conduction part can slide along the transverse direction of the insulating substrate to be conductive with the connection position, and the conduction part can drive the toggle head to slide along the transverse direction of the insulating substrate through the toggle part to make the first conductive member and the second conductive member conductive or disconnected, so that the circuit board module is in an electrically conductive state.

6. The AC contactor according to claim 5, characterized in that, First slot holes and second slot holes are formed in the installation groove and are distributed at intervals along the transverse direction of the insulating substrate. The first conductive member is installed in the first slot hole. The second slot hole includes a first slot section and a second slot section that are sequentially distributed from bottom to top and are mutually conductive. The second slot section extends upward to communicate with the accommodation space, and a side wall of the second slot section close to the first slot hole extends upward from the top end of the first slot section and inclines toward the first slot hole, and the top of the second slot section communicates with the first slot hole.

7. The AC contactor according to claim 6, wherein, Insulating protrusions are arranged at intervals upward from the bottom of the circuit board in both the first slot hole and the first slot section. The first conductive member and the second conductive member are both in contact with the corresponding insulating protrusions.

8. The AC contactor according to claim 5, characterized in that, The number of the installation grooves is two, the two installation grooves are arranged back to back, and the first conductive member and the second conductive member are installed in each installation groove.

9. The AC contactor according to claim 5, characterized in that, A mounting hole is formed in the mounting base and penetrates along the transverse direction of the insulating substrate. A plug-in member is formed on one side of the magnetic holding member facing the accommodation space, and the plug-in member is in plug-in fit with the mounting hole.

10. The AC contactor according to any one of claims 1 to 9, characterized in that, A heat dissipation gap is formed between the circuit board and the insulating substrate.

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