A contactor and control circuit

Abstract

The application relates to a contactor and a control circuit, and relates to the technical field of contactors. The contactor comprises a shell, an electromagnetic module and a fixing piece. The shell comprises a base and a bottom, and an installation cavity is formed between the base and the bottom. The electromagnetic module is arranged in the installation cavity, and the electromagnetic module comprises a coil framework and a static iron core, the static iron core is arranged in the coil framework, and the coil framework is arranged in the installation cavity. The fixing piece is arranged between the coil framework and the base, directly or indirectly abuts against the base, and is used for limiting the static iron core and the coil framework. The fixing piece is inserted and fixed to the base or the coil framework, and the fixing piece can abut against the static iron core. The contactor provided by the application can cooperate the electromagnetic part of a direct-current control contactor with the base of an alternating-current control contactor to complete installation, and simultaneously realizes the fixation of the electromagnetic part, and improves mechanical vibration and other problems.

Description

Technical Field

[0001] This application relates to the field of contactor technology, and more specifically, to a contactor and control circuit. Background Technology

[0002] Contactors are commonly used switching elements, mainly used for controlling the on / off state of circuits, thereby achieving effects such as current shunting and protection.

[0003] In existing technology, contactors mainly include a housing, an electromagnetic component, a contact component, and an arc-extinguishing component. The electromagnetic component is used to generate a magnetic field to drive the moving contact to achieve opening and closing, while the arc-extinguishing component is mainly used to extinguish the high-temperature arc generated when the contact component opens, in order to protect the contact component or other structures.

[0004] In terms of specific structure, the electromagnetic component can be further divided into the iron core, coil frame, and conductors. Furthermore, based on different design approaches, the iron core can be configured in several different ways. For example, when the contactor uses AC control, the iron core can be configured as an E-type structure. In this case, the iron core passes through the coil frame from the bottom, and then the coil frame is pressed down and fixed using bolts or other structures, thus achieving overall fixation of the electromagnetic component. When the contactor uses DC control, the iron core is configured as a U-type structure, and the iron core passes through the coil frame from the side.

[0005] The aforementioned differences in structure and assembly methods mean that the base and other structures in contactors with different control methods need to be designed and manufactured separately during production. The components of different contactors have poor versatility. Directly mounting the core of a DC control contactor onto the base of an AC control contactor can lead to problems such as the core's inability to be fixed and significant mechanical vibration. Furthermore, AC control contactors have a wide range of applications, while DC control contactors are only used in specific fields. Therefore, designing a separate base and other structures for DC control contactors is not economically feasible.

[0006] Therefore, there is an urgent need to provide a contactor structure that can install the electromagnetic part of a DC control contactor in conjunction with the base of an AC control contactor, while simultaneously fixing the electromagnetic part and improving mechanical vibration and other issues. Utility Model Content

[0007] The purpose of this application is to provide a contactor and control circuit that can install the electromagnetic part of a DC control contactor with the base of an AC control contactor, thereby fixing the electromagnetic part and improving mechanical vibration and other problems.

[0008] To achieve the above objectives, in a first aspect, this application provides a contactor comprising a housing, an electromagnetic module, and a fixing member. The housing includes a base and a subbase, with a mounting cavity formed between the base and subbase. The electromagnetic module is disposed within the mounting cavity and includes a coil frame and a stationary iron core, the stationary iron core passing through the coil frame, which is also disposed within the mounting cavity. The fixing member is disposed between the coil frame and the base, and directly or indirectly abuts against the base, serving to limit the position of the stationary iron core and the coil frame. The fixing member is inserted and fixed to the base or the coil frame, and is capable of abutting against the stationary iron core.

[0009] Based on the embodiments described above, when the contactor is used, the housing formed by the combination of the base and the pedestal serves as the main mounting body. The electromagnetic module generates a magnetic field to drive the moving contact to achieve opening and closing control. During installation, the electromagnetic module is installed in the mounting cavity to achieve initial positioning. During circuit breaker assembly, a protective box is first installed outside the circuit board to assemble the circuit board module. The protective box can both protect the board and enclose it to form a complete circuit board module. At this time, during the assembly of the short-circuit board, the circuit board module can be assembled as a whole. Compared with the circuit board assembly method in the prior art, this simplifies the assembly process and improves assembly efficiency.

[0010] Furthermore, the mounting cavity on the base provides space for the circuit board module, while the mounting slot on the middle cover not only provides space for the circuit board module but also works with the mounting cavity to limit its movement. During installation, simply insert the circuit board module into the mounting cavity and slot, and then complete the wiring. Compared to existing technologies, this method eliminates soldering and other fixing steps, making the circuit board module installation simpler and more convenient, and facilitating future replacement and maintenance.

[0011] Based on this, during installation, corresponding fixing structures need to be set according to the different structures of the electromagnetic module. When the contactor is set as an AC control contactor, the E-type stationary iron core passes through the coil frame from below. At this time, the base only needs to be pressed down to cooperate with the base to fix the position of the coil frame and the stationary iron core. In specific settings, pressure blocks or other structures can be set on the coil frame to cooperate with the base to achieve the pressing action.

[0012] When the aforementioned base and similar structures are applied to DC control contactors, since the U-shaped stationary iron core passes through the coil frame from the side, the stationary iron core and the coil frame can slide relative to each other along the side. In this case, the base not only needs to press down and fix the coil frame and stationary iron core together with the base, but also needs to restrict the lateral sliding of the stationary iron core relative to the coil frame. Therefore, based on the aforementioned base and similar structures, this application adds a fixing structure, using the fixing structure as a fixing structure between the base and the electromagnetic module, to further strengthen the fixation between the coil frame and the stationary iron core and the base.

[0013] Specifically, during use, after the coil frame and stationary iron core are assembled, they are installed in the mounting cavity. Then, a fixing component is installed. This fixing component is positioned between the coil frame and the base, and directly or indirectly abuts against the base. Therefore, when the base is pressed down, it works with the base to vertically fix the coil frame and stationary iron core. Simultaneously, the fixing component is inserted and fixed to either the coil frame or the base, fixing its horizontal position relative to the base. Furthermore, the abutment between the fixing component and the stationary iron core fixes the horizontal position of the stationary iron core.

[0014] Meanwhile, the fasteners are fixed by plugging in, and the fasteners can be plugged in or removed as needed during use, so that the base structure can be adapted to both the E-type iron core of AC control contactors and the U-type iron core of DC control contactors.

[0015] In summary, by setting a fixing component, this application can cooperate with the base of the AC control contactor to install the electromagnetic module of the DC control contactor, and at the same time fix the position of the coil frame and the stationary iron core inside the electromagnetic module, reduce the mechanical vibration of the coil frame and the electromagnetic module as a whole, and improve problems such as poor contact caused by mutual wear between modules.

[0016] In some embodiments, the inner wall of the protective box is fitted to the plate to fix the plate to the base inside the protective box, which is disposed on both sides of the electromagnetic module along a first direction. The stationary iron core passes through the coil frame along a second direction, which is perpendicular to the first direction, and the fixing member is disposed on the side of the stationary iron core along the second direction.

[0017] Based on the embodiments described above, the first direction corresponds to the vertical direction. The base and the seat are fastened together vertically to form a housing, and the electromagnetic module is installed in the mounting cavity within the housing. When the base and seat are fastened together, the contact between the fastener and the fixing member secures the coil frame in the vertical direction. The second direction corresponds to the horizontal direction, which is also the direction in which the stationary iron core is inserted. Therefore, placing the fixing member on the side of the stationary iron core allows for horizontal positioning of the stationary iron core.

[0018] In some embodiments, at least two fasteners are provided, and both fasteners are located on the side of the stationary iron core along the second direction.

[0019] Based on the embodiments described above, by increasing the number of fasteners, the positions of the stationary iron core and the coil frame can be restricted from different directions. Furthermore, all fasteners must be positioned on the side of the stationary iron core along the second direction, i.e., on the path through which the stationary iron core passes to the coil frame, thereby ensuring a secure fixation effect. The specific number can be set according to actual fixation requirements.

[0020] In some embodiments, two fasteners are provided, and both fasteners are located on the path through which the stationary iron core passes to the coil frame.

[0021] Based on the embodiments described above, only two fixing members are provided, both positioned along the path of the stationary iron core. Other fixing structures can then be installed on the other side, and these structures can be integrated with the coil frame. This ensures both the installation of the stationary iron core and the fixation of both the stationary iron core and the coil frame. Furthermore, it reduces the number of separately installed fixing members, thereby lowering production costs.

[0022] In some embodiments, the fastener includes a first fixed end and a second fixed end, the first fixed end being connected to the base and the second fixed end being connected to the coil frame. The first fixed end is inserted and fixed to the base, and the second fixed end abuts against the coil frame.

[0023] Based on the above embodiments of this application, a specific fixing method for the fixing member is disclosed. In this method, the fixing member is disposed between the coil frame and the base, thereby transmitting the downward pressure of the base to fix the coil frame and the stationary iron core in the vertical direction. At the same time, the fixing member is inserted into the base to fix the fixing member in the horizontal direction, and then the stationary iron core is limited by the contact between the fixing member and the stationary iron core to prevent the stationary iron core from sliding out relative to the coil frame in the horizontal direction.

[0024] In some embodiments, the fastener is inserted and fixed to the base, and the fastener and the base are snap-fitted or tightly fitted together.

[0025] Based on the embodiments described above, the connection between the fixing component and the base is made more stable by snap-fit ​​or tight fit, thereby further improving the limiting effect on the coil frame and stationary iron core and improving the overall reliability of the contactor.

[0026] In some embodiments, the fastener includes a first fixed end and a second fixed end. The first fixed end is connected to the base, and the second fixed end is connected to the coil frame. The first fixed end abuts against the base, and the second fixed end is inserted into and fixed to the coil frame.

[0027] Based on the above embodiments of this application, another specific fixing method for the fastener is disclosed. In this case, the fastener is still disposed between the base and the coil frame. Therefore, when the base is pressed down, the pressure can still be transmitted to the coil frame through the fastener, thereby fixing the position of the coil frame and the stationary iron core in the vertical direction. At the same time, the fastener is inserted into the coil frame to fix the position of the fastener in the horizontal direction. Subsequently, the position of the stationary iron core in the horizontal direction is restricted by the contact between the fastener and the stationary iron core.

[0028] In some embodiments, the fastener is inserted and fixed to the coil frame, and the fastener and the coil frame are snap-fitted or tightly fitted together.

[0029] Based on the above embodiments of this application, similarly, by means of snap-fit ​​or tight fit, the connection between the fixing member and the coil frame is made more stable, the limiting effect on the stationary iron core is improved, and the overall reliability of the contactor is improved.

[0030] In some embodiments, the contactor further includes a moving iron core disposed within a mounting cavity, and the moving iron core is capable of moving along a first direction under the influence of the magnetic field of the stationary iron core.

[0031] Based on the above embodiments of this application, the moving iron core and the stationary iron core cooperate, and the magnetic field generated by the stationary iron core attracts the movement of the moving iron core, thereby driving the moving contact to move and realize the opening and closing control.

[0032] According to a second aspect of this application, a control circuit is provided, the control circuit including the contactor described above.

[0033] Based on the above embodiments of this application, the control circuit provided by this application includes the aforementioned contactor, which controls the on / off state of the control circuit. Through the above-described configuration of this application, by providing a fixing component, the electromagnetic module of the DC control contactor can be installed in conjunction with the base of the AC control contactor. Simultaneously, the position of the coil frame and stationary iron core within the electromagnetic module is fixed, reducing mechanical vibration of the coil frame and the electromagnetic module as a whole, and improving problems such as poor contact caused by mutual wear between modules. This reduces the overall equipment cost of the control circuit while improving the reliability of the circuit module equipment.

[0034] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0035] The accompanying drawings are provided to further illustrate the present application and form part of the specification. They are used together with the following detailed description to explain the present application, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the contactor provided in an embodiment of this application.

[0036] Figure 2 This is a structural schematic diagram of the contactor centerline electromagnetic module and fixing component provided in the embodiments of this application.

[0037] Figure 3 This is a schematic diagram of the coil frame structure in the contactor provided in the embodiments of this application.

[0038] Figure 4 This is a bottom view of the internal structure of the base in the contactor provided in the embodiment of this application.

[0039] Figure 5 This is a schematic diagram of the structure of the base in the contactor provided in the embodiment of this application.

[0040] Figure 6 This is a schematic diagram of the internal structure of the contactor provided in the embodiment of this application.

[0041] Figure 7 yes Figure 6 An enlarged schematic diagram of part A in the middle.

[0042] Explanation of reference numerals in the attached figures 1. Base; 11. Mounting cavity; 12. Plug-in hole; 2. Base; 3. Electromagnetic module; 31. Coil frame; 32. Static iron core; 33. Moving iron core; 4. Fixing component; 41. First fixing end; 42. Second fixing end; 5. Conductive sheet; 51. Connecting piece. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0044] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0045] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0046] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0047] In the description of this application, it should be noted that, unless otherwise stated, the terms "inner," "outer," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0048] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0049] In existing technology, contactors mainly include a housing, an electromagnetic component, a contact component, and an arc-extinguishing component. The electromagnetic component is used to generate a magnetic field to drive the moving contact to achieve opening and closing, while the arc-extinguishing component is mainly used to extinguish the high-temperature arc generated when the contact component opens, in order to protect the contact component or other structures.

[0050] In terms of specific structure, the electromagnetic component can be further divided into the iron core, coil frame, and conductors. Furthermore, based on different design approaches, the iron core can be configured in several different ways. For example, when the contactor uses AC control, the iron core can be configured as an E-type structure, with the iron core extending from the bottom into the coil frame. The coil frame is then secured by bolts or similar means, thus achieving overall fixation of the electromagnetic component. Conversely, when the contactor uses DC control, the iron core is configured as a U-type structure, with the iron core extending from the side into the coil frame.

[0051] The differences in structure and assembly methods mentioned above mean that the base and other structures in contactors with different control methods need to be designed and manufactured separately during production. The components of different contactors have poor versatility. Directly mounting the core of a DC control contactor onto the base of an AC control contactor would result in problems such as the core's inability to be fixed and significant mechanical vibration. Meanwhile, AC control contactors are widely used, while DC control contactors are only used in specific fields. Therefore, designing a separate base and other structures for DC control contactors is not economically feasible.

[0052] Therefore, there is an urgent need to provide a contactor structure that can install the electromagnetic part of a DC control contactor in conjunction with the base of an AC control contactor, while simultaneously fixing the electromagnetic part and improving mechanical vibration and other issues.

[0053] To address the aforementioned problems in the prior art, embodiments of this application provide a contactor, with reference to... Figures 1 to 5 As shown, the contactor includes a housing, an electromagnetic module 3, and a fixing member 4. The housing includes a base 1 and a base 2, with a mounting cavity 11 formed between the base 1 and the base 2. The electromagnetic module 3 is disposed within the mounting cavity 11 and includes a coil frame 31 and a stationary iron core 32. The stationary iron core 32 passes through the coil frame 31, which is disposed within the mounting cavity 11. The fixing member 4 is disposed between the coil frame 31 and the base 1, and directly or indirectly abuts against the base 1 to limit the stationary iron core 32 and the coil frame 31. The fixing member 4 is inserted and fixed to the base 1 or the coil frame 31, and can abut against the stationary iron core 32.

[0054] Based on the above embodiments of this application, when the contactor is used, the housing formed by the combination of base 1 and base 2 serves as the main mounting body, and the electromagnetic module 3 generates a magnetic field to drive the moving contact to achieve opening and closing control. During installation, the electromagnetic module 3 is installed in the mounting cavity 11 to achieve initial position fixation.

[0055] Based on this, during installation, corresponding fixing structures need to be set according to the different structures of electromagnetic module 3. When the contactor is set as an AC control contactor, the E-type stationary iron core 32 passes through the coil frame 31 from below. At this time, the base 1 only needs to press down to cooperate with the base 2 to fix the position of the coil frame 31 and the stationary iron core 32. In specific settings, pressure blocks or other structures can be set on the coil frame 31 to cooperate with the base 1 to achieve the pressing action.

[0056] When the aforementioned base 1 and similar structures are applied to a DC control contactor, since the U-shaped stationary iron core 32 is horizontally inserted from the side onto the coil frame 31, the stationary iron core 32 and the coil frame 31 can slide relative to each other in the lateral direction. In this case, the base 1 not only needs to cooperate with the base 2 to press down and fix the coil frame 31 and the stationary iron core 32, but also needs to restrict the lateral sliding of the stationary iron core 32 relative to the coil frame 31. Therefore, based on the aforementioned base 1 and similar structures, this application adds a fixing member 4, which serves as a fixing structure between the base 1 and the electromagnetic module 3 to further strengthen the fixation between the coil frame 31 and the stationary iron core 32 and the base 1.

[0057] Specifically, in use, after the coil frame 31 and the stationary iron core 32 are assembled, they are installed in the mounting cavity 11. Then, the fixing member 4 is installed. The fixing member 4 is positioned between the coil frame 31 and the base 1, and directly or indirectly abuts against the base 1. Therefore, when the base 1 is pressed down, it can cooperate with the base 2 to vertically fix the coil frame 31 and the stationary iron core 32. Simultaneously, the fixing member 4 is inserted and fixed to either the coil frame 31 or the base 1, fixing the horizontal position of the fixing member 4 relative to the base 1. Furthermore, the abutment between the fixing member 4 and the stationary iron core 32 fixes the horizontal position of the stationary iron core 32.

[0058] Meanwhile, the fastener 4 is fixed by plugging in. During use, the fastener 4 can be plugged in or removed as needed, so that the base 1 structure can be adapted to both the E-type iron core of the AC control contactor and the U-type iron core of the DC control contactor.

[0059] In summary, by setting the fixing part 4 in this application, the electromagnetic module 3 of the DC control contactor can be installed in conjunction with the base 1 of the AC control contactor. At the same time, the position of the coil frame 31 and the stationary iron core 32 inside the electromagnetic module 3 can be fixed, reducing the mechanical vibration of the coil frame 31 and the electromagnetic module 3 as a whole, and improving the problem of poor contact caused by mutual wear between modules.

[0060] Furthermore, it should be noted that in this application, an installation cavity 11 is provided within the housing for the installation and initial positioning of the electromagnetic module 3. Therefore, it is understood that the installation cavity 11 should be structurally compatible with the electromagnetic module 3, particularly with the coil frame 31, thereby providing an initial positioning effect on the coil frame 31. In practical use, partitions or other methods can be used to ensure that the installation cavity 11 is compatible with the coil frame 31, while the partition structure provides a certain positioning effect on the coil frame 31. The specific configuration can be tailored to the actual situation, and this application does not impose any specific limitations on this.

[0061] refer to Figures 1 to 5As shown, in some embodiments of this application, the base 1 and the base 2 can be disposed on both sides of the electromagnetic module 3 along a first direction. The stationary iron core 32 passes through the coil frame 31 along a second direction, the second direction being perpendicular to the first direction, and the fixing member 4 is disposed on the side of the stationary iron core 32 along the second direction.

[0062] Based on the above embodiments of this application, the first direction corresponds to the vertical direction. The base 1 and the base 2 are fastened together in the vertical direction to form a housing, and the electromagnetic module 3 is installed in the mounting cavity 11 inside the housing. At this time, when the base 1 and the base 2 are fastened together, the contact between them and the fixing member 4 can fix the vertical position of the coil frame 31. The second direction corresponds to the horizontal direction, which is also the direction in which the stationary iron core 32 is inserted. Therefore, setting the fixing member 4 on the side of the stationary iron core 32 can fix the horizontal position of the stationary iron core 32.

[0063] In some embodiments of this application, at least two fasteners 4 may be provided, and at least two fasteners 4 are provided on the side of the stationary iron core 32 along the second direction.

[0064] Based on the above embodiments of this application, by increasing the number of fixing members 4, the positions of the stationary iron core 32 and the coil frame 31 can be restricted from different directions. Furthermore, all fixing members 4 need to be located on the side of the stationary iron core 32 along the second direction, that is, on the path through which the stationary iron core 32 passes to the coil frame 31, thereby ensuring a secure fixation effect. The specific number can be set according to actual fixation requirements.

[0065] Further, refer to Figure 2 and Figure 3 As shown in the exemplary embodiment of this application, there are two fasteners 4, and both fasteners 4 are located on the path through which the stationary iron core 32 passes to the coil frame 31.

[0066] Based on the above embodiments of this application, only two fixing members 4 are provided, both of which are located on the path of the stationary iron core 32. Other fixing structures can be provided on the other side, and these other fixing structures can be integrally formed with the coil frame 31. This ensures that the path of the stationary iron core 32 is not affected, while guaranteeing the fixation of both the stationary iron core 32 and the coil frame 31. It also reduces the number of separately provided fixing members 4, thereby lowering production and processing costs.

[0067] Specifically, since the U-shaped stationary iron core 32 only needs to be assembled from one side of the coil frame 31 to the middle of the coil frame 31 during assembly, in specific settings, only the fixing part 4 needs to be set on the side through which the stationary iron core 32 passes, while the fixing structure on the other side along the second direction can be integrally set with the coil frame 31. In the specific production and processing process, injection molding or other methods can be used to integrally process and form it with the coil frame 31, thereby reducing production and processing costs.

[0068] Furthermore, it should be noted that since the fixing structure on the other side of the second direction is integrally set with the coil frame 31, the stationary iron core 32 can only be inserted into the coil frame 31 from the side closest to the fixing member 4 during assembly. Therefore, in the actual assembly process, the stationary iron core 32 needs to be inserted first before the fixing member 4 is plugged into and fixed to the coil frame 31 or the base 1 to avoid obstructing the insertion process of the stationary iron core 32.

[0069] In addition, in some other embodiments of this application, a corresponding fixing structure may be provided on the coil frame 31 for positioning and cooperation with the base 2. The specific fixing structure can refer to the fixing between the coil frame 31 and the base 1, and this application does not impose any specific limitations on it.

[0070] refer to Figure 2 As shown, in some embodiments, the fixing member 4 includes a first fixing end 41 and a second fixing end 42. The first fixing end 41 is connected to the base 1, and the second fixing end 42 is connected to the coil frame 31. The first fixing end 41 is inserted and fixed to the base 1, and the second fixing end 42 abuts against the coil frame 31.

[0071] Based on the above embodiments of this application, a specific fixing method for the fixing member 4 is disclosed. In this case, the fixing member 4 is disposed between the coil frame 31 and the base 1, thereby transmitting the downward pressure of the base 1 to fix the coil frame 31 and the stationary iron core 32 in the vertical direction. At the same time, the fixing member 4 is inserted into the base 1 to fix the fixing member 4 in the horizontal direction, and then the stationary iron core 32 is limited by the contact between the fixing member 4 and the stationary iron core 32 to prevent the stationary iron core 32 from sliding out horizontally relative to the coil frame 31.

[0072] During assembly, the base 1 can be provided with corresponding insertion holes 12. The first fixed end 41 is inserted into the insertion hole 12, and the shape of the insertion hole 12 is adapted to the cross-sectional shape of the first fixed end 41. By setting the insertion hole 12, it will not affect the use of the base 1 and the E-type iron core of the AC control contactor, and it can quickly achieve the positioning and fixing of the U-shaped stationary iron core 32 and the corresponding coil frame 31.

[0073] Furthermore, in some embodiments of this application, the fastener 4 is inserted and fixed to the base 1, and the fastener 4 and the base 1 are snap-fitted or tightly connected.

[0074] Based on the above embodiments of this application, the connection between the fixing member 4 and the base 1 is made more stable by snap-fit ​​or tight fit, thereby further improving the limiting effect on the coil frame 31 and the stationary iron core 32 and improving the overall reliability of the contactor.

[0075] Alternatively, in another exemplary embodiment of this application, the fixing member 4 also includes a first fixing end 41 and a second fixing end 42, with the first fixing end 41 connected to the base 1 and the second fixing end 42 connected to the coil frame 31. The difference is that, in this case, the first fixing end 41 abuts against the base 1, and the second fixing end 42 is inserted and fixed to the coil frame 31.

[0076] Based on the above embodiments of this application, another specific fixing method for the fixing member 4 is disclosed. In this case, the fixing member 4 is still disposed between the base 1 and the coil frame 31. Therefore, when the base 1 is pressed down, the pressure can still be transmitted to the coil frame 31 through the fixing member 4, thereby fixing the position of the coil frame 31 and the stationary iron core 32 in the vertical direction. At the same time, the fixing member 4 is inserted into the coil frame 31 to fix the position of the fixing member 4 in the horizontal direction. Then, the position of the stationary iron core 32 in the horizontal direction is restricted by the abutment between the fixing member 4 and the stationary iron core 32.

[0077] Similarly, when the fixing member 4 is inserted and fixed to the coil frame 31, in some embodiments of this application, the fixing member 4 and the coil frame 31 can be snapped or tightly fitted together.

[0078] Based on the above embodiments of this application, similarly, by means of snap-fit ​​or tight fit, the connection between the fixing member 4 and the coil frame 31 is made more stable, the limiting effect on the stationary iron core 32 is improved, and the overall reliability of the contactor is improved.

[0079] refer to Figure 2 As shown in some embodiments of this application, the contactor may further include a moving iron core 33, which is disposed in the mounting cavity 11 and is capable of moving along a first direction under the magnetic field of the stationary iron core 32.

[0080] Based on the above embodiments of this application, the moving iron core 33 cooperates with the stationary iron core 32, and the magnetic field generated by the stationary iron core 32 attracts the moving iron core 33 to move, thereby driving the moving contact to move and realize the opening and closing control.

[0081] Furthermore, it should be noted that the contactor provided in this application is not limited to the above structure. In actual use, the contactor may also include structures with stationary contacts and moving contacts. Alternatively, refer to... Figure 6 and Figure 7 As shown, in some other embodiments of this application, the contactor may further include a conductive piece 5 and a connecting piece 51. The conductive piece 5 and the connecting piece 51 abut against each other to achieve circuit conduction from the inside of the contactor to the outside, and one of the conductive piece 5 and the connecting piece 51 is fixed relative to the coil frame 31. Through the above-described arrangement of this application, the relative position between the conductive piece 5 and the connecting piece 51 can be made more stable, improving the problem of poor contact caused by mutual wear.

[0082] Based on the above technical solutions, this application also provides a control circuit, which includes the contactor described above.

[0083] Based on the above embodiments of this application, the control circuit provided by this application includes the aforementioned contactor, which controls the on / off state of the control circuit. Through the above-described configuration of this application, the fixing member 4, in conjunction with the base 1 of the AC control contactor, enables the installation of the electromagnetic module 3 of the DC control contactor. Simultaneously, it fixes the positions of the coil frame 31 and the stationary iron core 32 within the electromagnetic module 3, reducing mechanical vibration of the coil frame 31 and the electromagnetic module 3 as a whole, and improving problems such as poor contact caused by mutual wear between modules. This reduces the overall equipment cost of the control circuit while improving the reliability of the circuit module equipment.

[0084] The preferred embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this application, various simple modifications can be made to the technical solution of this application, and these simple modifications all fall within the protection scope of this application.

[0085] It should also be noted that the various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this application will not describe the various possible combinations separately.

[0086] Furthermore, various different implementations of this application can be combined in any way, as long as they do not violate the spirit of this application, they should also be regarded as the content disclosed in this application.

Claims

1. A contactor, characterized in that, The contactor includes: The housing includes a base and a base, wherein a mounting cavity is formed between the base and the base; An electromagnetic module is disposed within the mounting cavity. The electromagnetic module includes a coil frame and a stationary iron core. The stationary iron core passes through the coil frame, and the coil frame is disposed within the mounting cavity. A fixing member is disposed between the coil frame and the base, and directly or indirectly abuts against the base, for limiting the stationary iron core and the coil frame; The fixing member is inserted and fixed to the base or the coil frame, and the fixing member can abut against the stationary iron core.

2. The contactor according to claim 1, characterized in that, The base and the base are disposed on both sides of the electromagnetic module along a first direction; The stationary iron core is inserted into the coil frame along a second direction, which is perpendicular to the first direction. The fixing member is disposed on the side of the stationary iron core along the second direction.

3. The contactor according to claim 2, characterized in that, At least two fasteners are provided, and at least two fasteners are provided on the side of the stationary iron core along the second direction.

4. The contactor according to claim 3, characterized in that, Two fixing members are provided, and both fixing members are located on the path through which the stationary iron core passes to the coil frame.

5. The contactor according to any one of claims 1-4, characterized in that, The fastener includes a first fixed end and a second fixed end, the first fixed end being connected to the base and the second fixed end being connected to the coil frame; The first fixed end is inserted and fixed to the base, and the second fixed end abuts against the coil frame.

6. The contactor according to claim 5, characterized in that, The fastener is inserted and fixed to the base, and the fastener and the base are snap-fitted or tightly connected.

7. The contactor according to any one of claims 1-4, characterized in that, The fastener includes a first fixed end and a second fixed end, the first fixed end being connected to the base and the second fixed end being connected to the coil frame; The first fixed end abuts against the base, and the second fixed end is inserted and fixed to the coil frame.

8. The contactor according to claim 7, characterized in that, The fastener is inserted and fixed to the coil frame, and the fastener and the coil frame are snap-fitted or tightly fitted together.

9. The contactor according to claim 1, characterized in that, The contactor also includes a moving iron core, which is disposed in the mounting cavity and is capable of moving along a first direction under the magnetic field of the stationary iron core.

10. A control circuit, characterized in that, The control circuit includes a contactor as described in any one of claims 1-9.

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