Insulating base of alternating current contactor and alternating current contactor

Abstract

The utility model relates to an insulating base of an alternating current contactor and the alternating current contactor, in particular to the technical field of electric power fittings, and is characterized in that an insulating substrate and a first partition plate are arranged, when the insulating base is used, an input conductor is inserted into a first jack, so that the first jack extends into a strong current mounting cavity from the first jack; according to the alternating current contactor, the first partition plate is used for dividing the strong current installation cavity and the weak current installation cavity which are distributed at intervals in the installation area of the insulation base, and the circuit board is installed in the weak current installation cavity, so that when the alternating current contactor is used, on the premise that the size of the alternating current contactor is reduced, the circuit board is installed in the weak current installation cavity. Meanwhile, the functions of strong and weak current partition arrangement and integrated installation are achieved, the safety of the insulating base is improved, potential safety hazards are reduced, and the safety of the alternating current contactor is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of power accessories, in particular to an insulating base of an AC contactor and an AC contactor. Background Art

[0002] An AC contactor is an automatic switching device that connects or disconnects the main circuit of a motor or load. It uses electromagnetic force to close or disconnect the switch. It is suitable for frequent operation and remote control of high-voltage circuits, and has low-voltage release protection performance.

[0003] In the prior art, AC contactors cannot achieve the function of integrated installation while ensuring size reduction and strong and weak current partitioning. Utility Model Content

[0004] The main purpose of the utility model is to provide an insulating base for an AC contactor and an AC contactor, aiming to solve the technical problem that the AC contactor in the prior art cannot achieve the function of integrated installation while ensuring volume reduction and strong and weak current partitioning.

[0005] To achieve the above object, the utility model provides an insulating base of an AC contactor, the AC contactor comprising an input conductor, an output conductor and a circuit board, and the insulating base comprises:

[0006] an insulating substrate, wherein the edge of the insulating substrate is folded toward one side of the plate surface to enclose a mounting area, wherein at least two first plug holes are arranged in the mounting area and the input conductor is plugged into the first plug holes; and

[0007] A first partition is installed in the installation area to separate a high-current installation cavity and a low-current installation cavity that are spaced apart in the installation area. The first jack is arranged in the high-current installation cavity, and the high-current installation cavity is also provided with second jacks that are the same in number as the first jacks and are spaced apart. The output conductor is plugged into each of the second jacks. A plurality of spaced apart pin holes are formed in the low-current installation cavity. The circuit board is installed in the low-current installation cavity. The insulating substrate is located on a side wall of the low-current installation cavity to form a first card slot, and the circuit board is engaged with the first card slot so that the pins on the circuit board pass through the pin holes and extend to the side of the insulating substrate away from the installation area.

[0008] In one embodiment, the insulating base also includes a partition assembly, which is arranged in the high-voltage installation cavity. A plurality of first slots are arranged on the partition assembly. The first slots are consistent in number with the second sockets and are connected one-to-one. The partition assembly isolates the high-voltage installation cavity to form an insulating cavity that is consistent in number with the second sockets and is arranged one-to-one.

[0009] In one embodiment, the partition assembly comprises:

[0010] A partition cover, wherein the partition cover is installed in the high-voltage installation cavity to separate a plurality of the insulating cavities in the high-voltage installation cavity, and all the first slots are formed at intervals in the partition cover; and

[0011] A plurality of supporting ribs are provided, wherein the number of the supporting ribs is consistent with the number of the insulating cavities and the supporting ribs are arranged in the corresponding insulating cavities in a one-to-one correspondence, the supporting ribs are connected to the insulating substrate, and a side of the supporting ribs away from the insulating substrate is accommodated in the corresponding insulating cavity.

[0012] In one embodiment, the AC contactor also includes a magnetic magnetism protection mechanism, and a second partition is also installed on the insulating substrate. The second partition is connected to the first partition and divides the installation area into a first installation cavity, the high-current installation cavity and the low-current installation cavity which are independently arranged from each other. The high-current installation cavity and the first installation cavity share the second partition. The first jack is located in the high-current installation cavity and is spaced apart from the second partition. The second jack is located in the first installation cavity and is spaced apart from the second partition. The magnetic magnetism protection mechanism is installed in the first installation cavity, and the magnetic magnetism protection mechanism is electrically conductive with the output conductor.

[0013] In one embodiment, a second slot is formed on a side wall of the insulating substrate corresponding to the first mounting cavity, and the magnetic protection mechanism is engaged with the second slot.

[0014] In one embodiment, a third partition is provided in the first mounting cavity, the third partition is spaced apart from the first partition, the third partition is connected to the first partition to separate a second mounting cavity in an area of ​​the first mounting cavity corresponding to the second socket, all the second sockets are spaced apart in the second mounting cavity, and the output conductor extends from the first mounting cavity to the second mounting cavity and from the corresponding second socket to a side of the insulating substrate away from the second mounting cavity.

[0015] In one embodiment, the third partition plate is formed with second slots whose number is the same as the second sockets and which are connected one-to-one, and the output conductor extends from the first mounting cavity through the corresponding second slots to the second mounting cavity, and the output conductor extends from the corresponding second socket to the side of the insulating substrate away from the second mounting cavity.

[0016] In one embodiment, a fourth partition is provided in the weak-current installation cavity, and the fourth partition is connected to the first partition to separate an independently arranged third installation cavity in the weak-current installation cavity. A third socket is provided in the third installation cavity, and an output conductor is plugged into the third socket.

[0017] In one embodiment, the side of the insulating substrate facing away from the installation area is a connection area, and the positions of the connection area corresponding to the first socket, the second socket and the pin hole are all recessed toward the installation area to form a groove for connecting to an external connector.

[0018] Based on the same technical concept, in a second aspect, the utility model provides an AC contactor, which uses the insulating base described in the first aspect.

[0019] The technical solution of the utility model is to set an insulating substrate and a first partition. When in use, the input conductor is plugged into the first jack, so that the first jack extends from the first jack to the strong current installation cavity, and the circuit board is installed in the weak current installation cavity. The utility model uses the first partition to separate the strong current installation cavity and the weak current installation cavity that are distributed at intervals in the installation area of ​​the insulating base, and the circuit board is installed in the weak current installation cavity. When in use, the utility model can achieve the functions of strong and weak current zoning and integrated installation while reducing the volume of the AC contactor, thereby improving the safety of the insulating base, reducing safety hazards, and ensuring the safety of the AC contactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0021] Figure 1 A schematic structural diagram of an embodiment of an insulating base provided by the utility model;

[0022] Figure 2 A schematic diagram of the planar structure of the insulating base provided by the utility model;

[0023] Figure 3 This is a structural schematic diagram of the insulating base provided by the utility model from another perspective.

[0024] Description of Figure Numbers:

[0025] 100, Insulating substrate; 110, Mounting area; 120, First jack; 200, First partition; 210, High-voltage installation cavity; 220, Low-voltage installation cavity; 230, Second jack; 240, Pin hole; 250, First card slot; 300, Partition assembly; 310, First slot; 320, Insulating cavity; 340, Separation cover; 350, Support rib plate; 400, Second partition; 410, First installation cavity; 260, Second card slot; 500, Third partition; 510, Second installation cavity; 360, Second slot; 370, Fourth partition; 380, Third installation cavity; 390, Third jack; 270, Groove.

[0026] The realization of the purpose, functional features and advantages of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0028] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution where A and B are satisfied simultaneously. In addition, the technical solutions between the embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0030] Please refer to Figures 1 to 3In one embodiment of the utility model, the insulating base of the AC contactor includes an output conductor, an input conductor and a circuit board. The insulating base includes an insulating substrate 100 and a first partition 200. The edge of the insulating substrate 100 is folded toward one side of the plate surface to enclose an installation area 110. At least two first plug holes 120 are arranged in the installation area 110. The output conductor is plugged into the first plug hole 120. The first partition 200 is installed in the installation area 110 to separate the strong current installation cavity 210 and the weak current installation cavity 220 distributed at intervals in the installation area 110. The first plug hole 120 is arranged in the high-voltage installation cavity 210, and the high-voltage installation cavity 210 is also provided with second jacks 230 of the same number and spaced apart as the first jacks 120, each second jack 230 is plugged with an input conductor, and a plurality of spaced apart pin holes 240 are formed in the low-voltage installation cavity 220, a circuit board is installed in the low-voltage installation cavity 220, and a first card slot 250 is formed on the side wall of the insulating substrate 100 located in the low-voltage installation cavity 220, and the circuit board is engaged with the first card slot 250 so that the pins on the circuit board pass through the pin holes 240 and extend to the side of the insulating substrate 100 away from the installation area 110.

[0031] In this embodiment, by setting an insulating substrate 100 and a first partition 200, when in use, the output conductor is plugged into the first jack 120, so that the first jack 120 extends from the first jack 120 to the high-current installation cavity 210, and the circuit board is installed in the low-current installation cavity 220. The utility model uses the first partition 200 to separate the high-current installation cavity 210 and the low-current installation cavity 220 that are spaced apart in the insulating base installation area 110, and the circuit board is installed in the low-current installation cavity 220, so that when in use, the utility model can achieve the functions of high-current and low-current zoning and integrated installation while reducing the volume of the AC contactor, thereby improving the safety of the insulating base, reducing safety hazards, and ensuring the safety of the AC contactor.

[0032] It should be particularly and clearly stated that, in the present embodiment, a gap is formed between the exemplary circuit board and the weak-current installation cavity 220 , and when in use, heat dissipation of the circuit board can be achieved through the provided gap.

[0033] It should be noted that in this embodiment, the number of the first card slots 250 in the examples should be two, and the two first card slots 250 in the examples are respectively arranged on the two side edges of the insulating substrate. Through this arrangement, the utility model can improve the limiting stability of the electronic device installed in the high-voltage installation cavity 210 when in use.

[0034] In some specific embodiments, the insulating base further includes a partition assembly 300. The partition assembly 300 is disposed in the high-voltage installation cavity 210. A plurality of first slots 310 are provided on the partition assembly 300. The number of the first slots 310 is the same as that of the second jacks 230 and they are in one-to-one correspondence and communication. Moreover, the partition assembly 300 forms, in the high-voltage installation cavity 210, insulating cavities 320 that are the same in number as the second jacks 230 and are arranged in one-to-one correspondence.

[0035] In this embodiment, by providing the partition assembly 300 and disposing the partition assembly 300 in the high-voltage installation cavity 210, and at the same time providing a plurality of first slots 310 on the partition assembly 300, when the present utility model is in use, it can utilize the provided partition assembly 300 to form a plurality of insulating cavities 320 in the high-voltage installation cavity 210, so as to realize the function of preparing an independent insulating cavity 320 for each output conductor, and avoid the occurrence of creepage and leakage phenomena between the output conductors due to lack of insulation setting.

[0036] In some preferred embodiments, the partition assembly 300 includes a partition cover 340 and a plurality of support ribs 350. The partition cover 340 is installed in the high-voltage installation cavity 210 to partition a plurality of insulating cavities 320 in the high-voltage installation cavity 210. All the first slots 310 are formed at intervals on the partition cover 340. The number of the support ribs 350 is the same as that of the insulating cavities and they are arranged in one-to-one correspondence in the corresponding insulating cavities 320. The support ribs 350 are connected to the insulating substrate 100, and the side of the support ribs 350 away from the insulating substrate 100 is received in the corresponding insulating cavity.

[0037] In this embodiment, by providing the partition cover 340 and a plurality of support ribs 350, when the present utility model is in use, each of the partitioned insulating cavities 320 can have an independent and insulating function, ensuring the insulation effect of each output conductor.

[0038] In some specific embodiments, the AC contactor further includes a magnetic protection mechanism. A second partition 400 is further provided on the insulating substrate 100. The second partition 400 is connected to the first partition 200 and divides the installation area 110 into a first installation cavity 410, a high-voltage installation cavity 210, and a low-voltage installation cavity 220 that are independently arranged. The high-voltage installation cavity 210 and the first installation cavity 410 share the second partition 400. The first jack 120 is located in the high-voltage installation cavity 210 and is spaced from the second partition 400. The second jack 230 is located in the first installation cavity 410 and is spaced from the second partition 400. The magnetic protection mechanism is installed in the first installation cavity 410 and is electrically connected to the input conductor.

[0039] In this embodiment, by setting a second partition 400 and connecting the second partition 400 with the first partition 200 to separate the installation area 110 into a first installation cavity 410, a high-current installation cavity 210 and a low-current installation cavity 220 that are independently set, the utility model can use the set second partition 400 to separate the high-current installation cavity 210 from the low-current installation cavity 220 when in use, thereby enabling the utility model to avoid creepage or leakage between the high-current installation cavity 210 and the low-current installation cavity 220 when in use, further ensuring the safe use of the insulating base, and at the same time, by setting the second partition 400, the utility model can also limit the installation of the magnetic protection mechanism when in use, thereby ensuring the stability of the magnetic protection mechanism.

[0040] In some preferred embodiments, a second slot 260 is formed on the side wall of the insulating substrate 100 corresponding to the first installation cavity 410 , and the magnetic protection mechanism is engaged with the second slot 260 .

[0041] In this embodiment, by providing a second card slot 260 and engaging the magnetic protection mechanism with the second card slot 260, the utility model can fix the magnetic protection mechanism in the first mounting cavity 410 when in use, thereby effectively improving the safety and connection stability of the AC contactor.

[0042] In some specific embodiments, a third partition 500 is disposed in the first mounting cavity 410, and the third partition 500 is spaced apart from the first partition 200. The third partition 500 is connected to the first partition 200 to separate the second mounting cavity 510 in the area of ​​the first mounting cavity 410 corresponding to the second socket 230, all the second sockets 230 are spaced apart in the second mounting cavity 510, and the input conductor extends from the first mounting cavity 410 to the second mounting cavity 510 and from the corresponding second socket 230 to the side of the insulating substrate 100 away from the second mounting cavity 510.

[0043] In this embodiment, by setting the third partition 500, the utility model can use the set third partition 500 to separate the input conductor from the magnetic protection mechanism when in use, thereby avoiding creepage or leakage between the magnetic protection mechanism and the input conductor, thereby improving the safety of the overall structure when in use.

[0044] In some preferred embodiments, the third partition plate 500 is provided with second slots 360 that are the same in number as the second sockets 230 and are connected one-to-one, and the input conductor extends from the first mounting cavity 410 to the second mounting cavity 510 through the corresponding second slots 360, and the input conductor extends from the corresponding second socket 230 to the side of the insulating substrate 100 that is away from the second mounting cavity 510.

[0045] In this embodiment, by providing the second slot 360 , the input conductor can be plugged into the corresponding second slot 360 , thereby enabling the utility model to utilize the provided second slot 360 to improve the clamping stability of the input conductor when in use.

[0046] In some specific embodiments, a fourth partition 370 is disposed in the weak-current installation cavity 220, and the fourth partition 370 is connected to the first partition 200 to separate an independently disposed third installation cavity 380 in the weak-current installation cavity 220. A third socket 390 is disposed in the third installation cavity 380, and an input conductor is plugged into the third socket 390.

[0047] In this embodiment, by providing the fourth partition plate 370, the utility model can avoid the influence of the input conductor on the weak current installation cavity 220 when in use, thereby ensuring the safety of electricity use.

[0048] In one embodiment, the side of the insulating substrate 100 facing away from the mounting area 110 is a connection area, and the positions of the first and second sockets 120 and 230 and the pin hole 240 corresponding to the connection area are all recessed toward the mounting area 110 to form a groove 270 for connecting to an external connector.

[0049] In some specific embodiments, in this embodiment, by setting a groove 270 in the connection area, when the utility model is connected to an external connector, the set groove 270 can be used to ensure the connection effect between the insulating base and the external connector. At the same time, since the grooves 270 are set at the corresponding positions, the utility model can use the set grooves 270 to accommodate the output conductors, input conductors or pins at the corresponding positions when in use, effectively ensuring the connection effect of the output conductors, input conductors or pins, and avoiding the defect of an installation gap when the external connector is connected to the insulating base due to the need to avoid the output conductors, input conductors or pins due to the external placement of the conductor.

[0050] Based on the same technical concept, in a second aspect, the utility model provides an AC contactor using the insulating base of the first aspect.

[0051] The AC contactor provided in the embodiment of the present application adopts the insulating base of the AC contactor in the above embodiment, which can solve the technical problem that the AC contactor cannot realize the function of integrated installation while ensuring the reduction of volume and the partition of strong and weak electricity. Compared with the prior art, the beneficial effects of the AC contactor provided in the embodiment of the present application are the same as the beneficial effects of the insulating base of the AC contactor provided in the above embodiment, and the other technical features of the mutual inductance mechanism are the same as the features disclosed in the above embodiment, which will not be repeated here.

[0052] The above are only exemplary embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent structural transformation made under the technical concept of the present utility model by using the content of the specification and drawings of the present utility model, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present utility model.

Claims

1. An insulating base of an AC contactor, characterized in that, The AC contactor includes an input conductor, an output conductor and a circuit board. The insulating base includes: An insulating substrate, the edge of which is folded towards one of its side plates to enclose and form a mounting area. At least two first sockets spaced apart are provided in the mounting area, and the input conductor is inserted into the first sockets; and, A first partition, the first partition is installed in the mounting area to partition a strong electricity mounting cavity and a weak electricity mounting cavity spaced apart in the mounting area. The first sockets are arranged in the strong electricity mounting cavity, and second sockets with the same number as the first sockets and spaced apart are also arranged in the strong electricity mounting cavity. The output conductor is inserted into each of the second sockets. A plurality of pin holes spaced apart are formed in the weak electricity mounting cavity. The circuit board is installed in the weak electricity mounting cavity. A first card slot is formed on the side wall of the insulating substrate where the weak electricity mounting cavity is located. The circuit board is snapped into the first card slot so that the pins on the circuit board pass through the pin holes and extend to the side of the insulating substrate away from the mounting area.

2. The insulating base of the AC contactor according to claim 1, characterized in that, The insulating base further includes a partition assembly, the partition assembly is arranged in the strong electricity mounting cavity, and a plurality of first slots are provided on the partition assembly. The first slots are the same in number as and in one-to-one correspondence with the second sockets, and the partition assembly isolates and forms insulating cavities in the strong electricity mounting cavity that are the same in number as and in one-to-one correspondence with the second sockets.

3. The insulating base of the AC contactor according to claim 2, characterized in that, The partition assembly includes: A separating cover, the separating cover is installed in the strong electricity mounting cavity to partition a plurality of the insulating cavities in the strong electricity mounting cavity. All the first slots are formed in the separating cover at intervals; and, A plurality of support rib plates, the number of the support rib plates is the same as and in one-to-one correspondence with the number of the insulating cavities, and the support rib plates are arranged in the corresponding insulating cavities. The support rib plates are connected to the insulating substrate, and the side of the support rib plate away from the insulating substrate is received in the corresponding insulating cavity.

4. The insulating base of the AC contactor according to any one of claims 1 to 3, characterized in that, The AC contactor further includes a magnetic protection mechanism. A second partition is further installed on the insulating substrate. The second partition is connected to the first partition and partitions the mounting area into a first mounting cavity, the strong electricity mounting cavity and the weak electricity mounting cavity which are independently arranged. The strong electricity mounting cavity and the first mounting cavity share the second partition. The first sockets are located in the strong electricity mounting cavity and are spaced apart from the second partition. The second sockets are located in the first mounting cavity and are spaced apart from the second partition. The magnetic protection mechanism is installed in the first mounting cavity, and the magnetic protection mechanism is electrically connected to the output conductor.

5. The insulating base of the AC contactor according to claim 4, characterized in that, A second card slot is formed on the side wall of the insulating substrate corresponding to the first mounting cavity. The magnetic protection mechanism is snapped into the second card slot.

6. The insulating base of the AC contactor according to claim 4, characterized in that, A third partition is provided in the first mounting cavity, the third partition is spaced apart from the first partition, the third partition is connected to the first partition to separate a second mounting cavity in an area of ​​the first mounting cavity corresponding to the second socket, all the second sockets are spaced apart in the second mounting cavity, and the output conductor extends from the first mounting cavity to the second mounting cavity and from the corresponding second socket to a side of the insulating substrate away from the second mounting cavity.

7. The insulating base of the AC contactor according to claim 6, characterized in that, The third partition plate is formed with second slots whose number is the same as the second holes and which are connected one-to-one. The output conductor extends from the first installation cavity through the corresponding second slots to the second installation cavity, and the output conductor extends from the corresponding second hole to the side of the insulating substrate away from the second installation cavity.

8. The insulating base of the AC contactor according to claim 6, characterized in that, A fourth partition is provided in the weak-current installation cavity, and the fourth partition is connected to the first partition to separate an independently provided third installation cavity in the weak-current installation cavity. A third jack is provided in the third installation cavity, and an output conductor is plugged into the third jack.

9. The insulating base of the AC contactor according to any one of claims 1 to 3, characterized in that, The side of the insulating substrate away from the installation area is a connection area, and the positions of the connection area corresponding to the first plug hole, the second plug hole and the pin hole are all recessed toward the installation area to form a groove for connecting with an external connector.

10. An AC contactor, characterized in that, An insulating base as claimed in any one of claims 1 to 9 is used.

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