Contactor with circuit board arranged at bottom of contactor base

Abstract

The utility model relates to a contactor with a circuit board arranged at the bottom of a contactor base, which comprises a main loop, a counter-force spring, a magnet yoke, an integrated circuit board, the contactor base and a partition board, the counter-force spring is arranged on the upper surface of the partition board, and the partition board is arranged between a contact support and the magnet yoke. The integrated circuit board is horizontally arranged at the bottom of the contactor base and located between the magnet yoke and the contactor base. Compared with the prior art, the utility model is convenient for users to install and use, and is safer and more reliable in work.

Description

TECHNICAL FIELD

[0001] The utility model relates to the contactor field especially line road board is placed in the contactor base bottom contactor. BACKGROUND

[0002] The contactor is an electric appliance for controlling load by using the magnetic field generated by the current flowing through the coil to close the contact in the industrial electricity. The contactor is widely used in power, power distribution and power consumption, and is usually connected with the control circuit board to realize the corresponding control in cooperation.

[0003] The existing contactor with a control circuit board generally adopts a backpack type installation or is placed on the upper part of the coil of the contactor. When the backpack type installation is adopted, the overall size of the contactor is directly affected, such as the electronic circuit board mounting connection structure of the electromagnetic contactor disclosed in Chinese patent CN 208142099U, which comprises a contactor base, an electromagnetic system and an electronic circuit board. The electromagnetic system is fixedly installed in the accommodating cavity of the inner cavity of the contactor base, and the electronic circuit board is inserted into the mounting groove of the contactor base and located on one side of the electromagnetic system. Its feature is that the electronic circuit board and the conductive part are fixedly installed together, and the conductive part is inserted into the coil skeleton of the electromagnetic system, which brings inconvenience to the installation and use of users. When the electronic circuit board is placed on the upper part of the coil, the insulation problem of the circuit board and the main circuit of the contactor is directly affected due to the close distance between the position and the main circuit of the contactor, and the working performance of the circuit board is directly affected when the temperature of the main circuit rises. SUMMARY

[0004] The utility model aims at overcoming the defects of the prior art and provides a contactor with a circuit board placed at the bottom of the contactor base, which is convenient for users to install and use and is more safe and reliable in work.

[0005] The purpose of the utility model can be achieved by the following technical solutions.

[0006] A contactor with a circuit board placed at the bottom of the contactor base comprises a main circuit, a counterforce spring, a magnetic yoke, an integrated circuit board, a contactor base and a partition plate. The counterforce spring is arranged on the upper surface of the partition plate, the partition plate is arranged between the main circuit and the magnetic yoke, and the integrated circuit board is horizontally arranged at the bottom of the contactor base and between the magnetic yoke and the contactor base.

[0007] Further, buckles for limiting the integrated circuit board are arranged on the inner walls of the two sides of the contactor base.

[0008] Further, the buckle is a triangular body.

[0009] Further, the integrated circuit board is placed at the bottom of the contactor base in a normal mounting mode.

[0010] Further, the integrated circuit board comprises an input port and an output port, which are respectively located on two sides of the integrated circuit board.

[0011] Further, the contactor control terminal board is welded with the wires, and then passes through the partition plate and is connected with the input port.

[0012] Further, the coil lead of the contactor is connected with the output port.

[0013] Further, steps are arranged on two sides of the inner wall of the contactor base, and the magnetic yoke is arranged on the steps.

[0014] Further, components with a height higher than the steps are arranged on two sides of the integrated circuit board, and components with a height lower than the steps are arranged in the middle section of the integrated circuit board.

[0015] Further, the designed width of the magnetic yoke is smaller than the length of the middle section of the integrated circuit board.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model discloses a control circuit board is arranged at the bottom of the contactor base, is horizontally installed between the magnetic yoke and the contactor base, increases the distance between the circuit board and the main circuit, compared with the traditional circuit board arranged in the middle of the contactor, the distance between the circuit board and the main circuit is doubled, ensures that the circuit board can work normally for a long time, is not influenced by the temperature rise of the main circuit, simultaneously increases the insulation distance, makes the work of the contactor more safe and reliable.

[0018] 2. The utility model discloses a control circuit board is arranged in the contactor, does not influence the overall appearance size of the contactor, under the condition that the height of the contactor does not need to be increased, the integrated circuit board is arranged in the bottom of the contactor in the form of positive installation and flat laying, makes the installation size of the contactor can directly interchange with the contactor of ordinary not with circuit board, solves the space problem, enhances its installation versatility in any environment, is convenient for user to use. DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model;

[0020] Figure 2 It is the installation structure schematic diagram of circuit board and contactor base;

[0021] Figure 3 It is the installation structure schematic diagram of partition plate, magnetic yoke, circuit board and contactor base;

[0022] Figure 4 It is the layout schematic diagram of circuit board component.

[0023] Legend: 1, main circuit; 2, counterforce spring; 3, magnetic yoke; 4, integrated circuit board; 5, contactor base; 6, buckle; 7, partition; 8, step; A, component layout within the 35mm range of the middle section of the circuit board. DETAILED DESCRIPTION

[0024] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiments are implemented on the premise of the technical scheme of the utility model, and detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following embodiments.

[0025] The embodiment provides a contactor with an integrated circuit board arranged at the bottom of the contactor base, as shown in the drawings, which comprises a main circuit 1, a counterforce spring 2, a magnetic yoke 3, an integrated circuit board 4, a contactor base 5 and a partition 7. Figure 1 The counterforce spring 2 is arranged on the upper surface of the partition 7, the partition 7 is arranged between the main circuit 1 and the magnetic yoke 3, the integrated circuit board 4 is arranged at the bottom of the contactor base 5 and between the magnetic yoke 3 and the contactor base 5.

[0026] As shown in the drawings, the inner walls on both sides of the contactor base 5 of the contactor are provided with four triangular features, which serve as buckles of the integrated circuit board 4 and limit the integrated circuit board 4, so that the integrated circuit board 4 will not loosen even if the contactor is vertically installed or vertically installed at an angle after being installed and clamped. Figure 2

[0027] The integrated circuit board 4 comprises input ports and output ports and is arranged on both sides of the integrated circuit board 4.

[0028] As shown in the drawings, the contactor control terminal board is welded with the wires and then passes through the partition 7 to be connected with the input ports on the integrated circuit board 4. The coil lead of the contactor is connected with the output ports on the integrated circuit board 4. Figure 3

[0029] As shown in the drawings, the contactor control terminal board is welded with the wires and then passes through the partition 7 to be connected with the input ports on the integrated circuit board 4. The coil lead of the contactor is connected with the output ports on the integrated circuit board 4. Figure 4 ​​As shown, A is the layout of components in the middle section of the circuit board within 35mm. The integrated circuit board 4 is designed to arrange components with a height higher than the step 8 on both sides of the integrated circuit board 4, such as capacitors and terminal ports. Components with a height lower than the step 8 are arranged in the middle section of the integrated circuit board 4. The design width of the magnetic yoke 3 is less than the length of the middle section of the integrated circuit board 4, and the design width of the magnetic yoke 3 is about 30mm, and the components in the middle section of the circuit board within 35mm are arranged to be lower. The integrated circuit board 4 is fixedly installed with the one side provided with components and the magnetic yoke 3, and is arranged in the form of a positive installation at the bottom of the contactor base 5, and the minimum distance from the main circuit 1 is 55mm, which is twice the distance of the traditional circuit board arranged in the middle of the contactor, so that the circuit board can work normally for a long time and is not affected by the temperature rise of the main circuit, so that the contactor works more safely and reliably.

[0030] The step 8 is arranged on the inner wall of the contactor base 5, and the magnetic yoke 3 is arranged on the step 8. The height of the step 8 is higher than the height of the components with a lower height. The circuit board in the embodiment is designed so that the electromagnetic system can be installed as low as possible without touching the integrated circuit board 4, and the magnetic yoke 3 of the electromagnetic system is arranged on the two steps on the inner wall of the contactor base 5. This design allows the integrated circuit board 4 to be arranged in the form of a positive installation at the bottom of the contactor without increasing the height of the contactor, so that the size of the contactor is adapted to the ordinary contactor without a circuit board.

[0031] The above describes the preferred embodiment of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A contactor with a circuit board placed at the bottom of the contactor base, characterized in that: The invention comprises a main circuit (1), a reaction spring (2), a magnetic yoke (3), an integrated circuit board (4), a contactor base (5) and a partition (7), wherein the reaction spring (2) is arranged on the upper surface of the partition (7), the partition (7) is arranged between the main circuit (1) and the magnetic yoke (3), and the integrated circuit board (4) is arranged horizontally at the bottom of the contactor base (5) and is located between the magnetic yoke (3) and the contactor base (5).

2. The contactor with the circuit board placed at the bottom of the contactor base according to claim 1, characterized in that: Buckles (6) for limiting the position of the integrated circuit board (4) are provided on the inner walls on both sides of the contactor base (5).

3. The contactor with the circuit board placed at the bottom of the contactor base according to claim 2, characterized in that: The buckle (6) is a triangle.

4. The contactor with the circuit board placed at the bottom of the contactor base according to claim 1, characterized in that: The integrated circuit board (4) is placed upright on the bottom of the contactor base (5).

5. The contactor with the circuit board placed at the bottom of the contactor base according to claim 1, characterized in that: The integrated circuit board (4) comprises an input port and an output port, and the input port and the output port are respectively located on two sides of the integrated circuit board (4).

6. The contactor with the circuit board placed at the bottom of the contactor base according to claim 5, characterized in that: After being welded to the wire, the contactor control terminal wiring board passes through the partition (7) and is connected to the input port.

7. The contactor with the circuit board placed at the bottom of the contactor base according to claim 5, characterized in that: The coil lead of the contactor is connected to the output port.

8. The contactor with a circuit board placed at the bottom of the contactor base according to claim 1, characterized in that: Steps (8) are provided on both sides of the inner wall of the contactor base (5), and the magnetic yoke (3) is placed on the steps (8).

9. The contactor with the circuit board placed at the bottom of the contactor base according to claim 8, characterized in that: Components with a height higher than the step (8) are arranged on both sides of the integrated circuit board (4), and components with a height lower than the step (8) are arranged in the middle section of the integrated circuit board (4).

10. The contactor with the circuit board placed at the bottom of the contactor base according to claim 9, characterized in that: The designed width of the magnetic yoke (3) is smaller than the length of the middle section of the integrated circuit board (4).

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