Microphone anti-interference device

Abstract

The utility model relates to the technical field of microphone anti-interference devices, in particular to a microphone anti-interference device. The microphone comprises a circuit board and a mounting hole, the circuit board is screwed into the microphone through a mounting hole screw, the upper end of the circuit board is provided with an anti-interference circuit module and a welding point, the upper end of the circuit board is provided with a clamping assembly and a wiring assembly, the clamping assembly comprises a cylinder, and the cylinder is provided with a clamping groove. The cylinder is fixed to the circuit board through glue, a circular ring is fixedly connected to the upper end of the cylinder, a clamping mechanism is arranged on the inner wall of the circular ring, and a wire in the circular ring is clamped by means of the clamping mechanism, so that the problems that a power line of a microphone needs to be welded to the circuit board, and whether the circuit board is normal or not needs to be tested before welding are solved; usually, a power line held by a hand is in contact with a welding point, so that the power line held by the hand may shake at the welding point, and a test result may be inaccurate.

Description

Technical Field

[0001] The utility model relates to the technical field of microphone anti-interference devices, in particular to a microphone anti-interference device. Background Art

[0002] The microphone anti-interference device is used to prevent the microphone from being interfered by other radio frequency signals. The microphone anti-interference device consists of a circuit board and an anti-interference circuit module. The circuit board is installed on the microphone. When the microphone is in use, the anti-interference circuit module can prevent other radio frequency signals from affecting the microphone.

[0003] The inventor found in his daily work that when welding a microphone anti-interference device, the microphone needs to solder its power cord to a circuit board. Before welding, the circuit board needs to be tested to see if it is normal. Usually, the power cord is held in the hand and in contact with the welding point, which may cause the power cord to shake at the welding point, which may lead to inaccurate test results. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in actual use, a microphone needs to have its power cord welded to a circuit board, and before welding the circuit board needs to be tested to see if it is normal. Usually, the power cord is held by hand and in contact with the welding point, so that the power cord may shake at the welding point, which may lead to inaccurate test results. A microphone anti-interference device is proposed to solve the problem that in actual use, a microphone needs to have its power cord welded to a circuit board, and before welding the circuit board needs to be tested to see if it is normal. Usually, the power cord is held by hand and in contact with the welding point, so that the power cord may shake at the welding point, which may lead to inaccurate test results.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a microphone anti-interference device, including a circuit board and a mounting hole, the circuit board is screwed to the inside of the microphone with the help of mounting hole screws, the upper end of the circuit board is provided with an anti-interference circuit module and a welding point, the upper end of the circuit board is provided with a clamping assembly and a routing assembly, the clamping assembly includes a cylinder, the cylinder is fixed to the circuit board by glue, the upper end of the cylinder is fixedly connected with a ring, the inner wall of the ring is provided with a clamping mechanism, and the wires in the ring are clamped with the help of the clamping mechanism.

[0006] The effect achieved by the above components is: by setting up a clamping assembly, when the power cord is in contact with the welding point, the power cord is inserted into the ring. Since the ring and the cylinder are connected, the power cord reaches the welding point, and the power cord is clamped by the clamping mechanism, thereby keeping the power cord in contact with the welding point.

[0007] Preferably, the clamping mechanism comprises arc-shaped clamping plates 1 arranged on both sides of the inner wall of the circular ring, and the arc surfaces of the two arc-shaped clamping plates 1 are fixedly connected with a connecting rod.

[0008] The effect achieved by the above components is: the electric wires are clamped by arranging the arc-shaped clamping plates 1 on both sides.

[0009] Preferably, circular grooves are provided on both sides of the inner wall of the circular ring, a spring 1 is fixedly connected to one side of the inner wall of the circular groove, and the other end of the spring 1 is fixed to a connecting rod.

[0010] The effect achieved by the above components is: by setting the spring one, the connecting rod one is reset.

[0011] Preferably, the connecting rod slides on the inner wall of the circular groove, and the arc surface of the cylinder is provided with a plurality of evenly distributed operating holes.

[0012] The effects achieved by the above components are: by setting the circular groove, the connecting rod is limited, and by setting the operation hole, the worker welds the welding point and the power line through the operation hole.

[0013] Preferably, the wiring assembly includes a wiring board, which is fixed by glue and a circuit board, and the upper end of the wiring board is provided with a plurality of evenly distributed wiring grooves and fixing grooves, and the upper end of the wiring board is rotatably connected to a plurality of evenly distributed annular covers, and the other end of the annular cover is fixedly connected to a fixing block.

[0014] The effect achieved by the above components is: when the power cord needs to be routed, the power cord is clipped into the routing groove on the routing board, and the annular cover is rotated so that the fixing block on the annular cover is clipped into the fixing groove, so that the annular cover is fixed by the protrusion on the fixing block.

[0015] Preferably, arc-shaped clamping plates 2 are provided on both sides of the inner wall of the wiring groove, and two connecting rods are fixedly connected to the arc surface of the arc-shaped clamping plates 2.

[0016] The effect achieved by the above components is that the power line is squeezed by arranging the second arc-shaped clamping plate and connecting the two rods.

[0017] Preferably, circular grooves are provided on both sides of the inner wall of the wiring groove, and the two connecting rods slide on the inner walls of the circular grooves.

[0018] The effect achieved by the above components is: by setting the circular groove, the connection between the two rods is limited.

[0019] Preferably, the lower end of the connecting rod is fixedly connected to a second spring, and the other end of the second spring is fixed to the wiring board.

[0020] The effect achieved by the above components is: by setting the second spring, the connecting two rods are reset.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, a clamping component is provided, and when the power cord is brought into contact with the welding point, the power cord is inserted into the ring. Since the ring and the cylinder are connected, the power cord is brought into contact with the welding point, and the power cord is clamped by the clamping mechanism to keep the power cord in contact with the welding point. This solves the problem that a microphone needs to have its power cord welded to a circuit board, and before welding, the circuit board needs to be tested to see if it is normal. Usually, the power cord is held in the hand and brought into contact with the welding point, so that the hand holding the power cord may shake at the welding point, which may lead to inaccurate test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the explosion of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the circuit board of the utility model;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the wiring assembly of the utility model;

[0026] Figure 4 For this utility model Figure 2 A is an enlarged schematic diagram of the three-dimensional structure.

[0027] Legend: 1. Circuit board; 2. Clamping assembly; 3. Routing assembly; 4. Anti-interference circuit module; 5. Mounting hole; 6. Welding point; 21. Cylinder; 22. Ring; 23. Clamping mechanism; 231. Arc-shaped clamping plate one; 232. Connecting rod one; 233. Circular groove; 234. Spring one; 24. Operating hole; 31. Routing board; 32. Routing groove; 33. Ring cover; 34. Arc-shaped clamping plate two; 35. Connecting rod two; 36. Circular groove; 37. Spring two; 38. Fixed groove. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 2 as well as Figure 4 As shown, the utility model provides a technical solution: a microphone anti-interference device includes a circuit board 1 and a mounting hole 5, the circuit board 1 is screwed into the interior of the microphone with the help of screws in the mounting hole 5, the upper end of the circuit board 1 is provided with an anti-interference circuit module 4 and a welding point 6, and the upper end of the circuit board 1 is provided with a clamping component 2 and a routing component 3.

[0029] The specific settings and functions of the clamping component 2 and the routing component 3 are described in detail below.

[0030] Reference Figure 2 and Figure 4As shown, in this embodiment: the clamping component 2 includes a cylinder 21, the cylinder 21 is fixed to the circuit board 1 by glue, the upper end of the cylinder 21 is fixedly connected to a ring 22, the inner wall of the ring 22 is provided with a clamping mechanism 23, the wires in the ring 22 are clamped by means of the clamping mechanism 23, by setting the clamping component 2, when the power cord is in contact with the welding point 6, the power cord is inserted into the ring 22, because the ring 22 and the cylinder 21 are connected, so that the power cord is against the welding point 6, and the power cord is clamped by the clamping mechanism 23, so as to keep the power cord and the welding point 6 in contact, the clamping mechanism 23 includes an arc-shaped clamping plate 231 arranged on both sides of the inner wall of the ring 22, and the two arc-shaped clamping plates 231 are arranged on both sides of the inner wall of the ring 22. A connecting rod 232 is fixedly connected to the arc surface, and the wires are clamped by setting arc-shaped clamping plates 231 on both sides. Circular grooves 233 are provided on both sides of the inner wall of the ring 22. A spring 234 is fixedly connected to one side of the inner wall of the circular groove 233. The other end of the spring 234 is fixed to the connecting rod 232. The connecting rod 232 is reset by setting the spring 234, and the connecting rod 232 slides on the inner wall of the circular groove 233. A plurality of evenly distributed operating holes 24 are provided on the arc surface of the cylinder 21. The connecting rod 232 is limited by setting the circular groove 233. By setting the operating holes 24, workers weld the welding point 6 and the power line through the operating holes 24.

[0031] Reference Figure 3 As shown, in this embodiment: the wiring assembly 3 includes a wiring plate 31, the wiring plate 31 is fixed to the circuit board 1 by glue, and a plurality of uniformly distributed wiring grooves 32 and fixing grooves 38 are opened on the upper end of the wiring plate 31, and a plurality of uniformly distributed annular covers 33 are rotatably connected to the upper end of the wiring plate 31, and a fixing block is fixedly connected to the other end of the annular cover 33. When the power line needs to be routed, the power line is clamped into the wiring groove 32 on the wiring plate 31, and the annular cover 33 is rotated so that the fixing block on the annular cover 33 is clamped into the fixing groove 38, so that the annular cover 33 is clamped by the protrusion on the fixing block. For fixing, arc-shaped clamping plates 34 are provided on both sides of the inner wall of the wiring groove 32, and the arc surface of the arc-shaped clamping plates 34 is fixedly connected with connecting rods 35. By arranging the arc-shaped clamping plates 34 and the connecting rods 35, the power line is squeezed, and circular grooves 36 are provided on both sides of the inner wall of the wiring groove 32. The connecting rods 35 slide on the inner wall of the circular grooves 36. The connecting rods 35 are limited by setting the circular grooves 36. The lower end of the connecting rods 35 is fixedly connected with a spring 37. The other end of the spring 37 is fixed to the wiring plate 31. The connecting rods 35 are reset by setting the spring 37.

[0032] Working principle:

[0033] Align the mounting hole 5 on the circuit board 1 with the hole on the microphone horizontally and vertically, screw in the screws, and install the circuit board 1 on the microphone. When the microphone is in use, the anti-interference circuit module 4 can prevent other radio frequency signals from affecting the microphone. When the power cord is in contact with the welding point 6, insert the power cord into the ring 22. Since the ring 22 and the cylinder 21 are connected, the power cord is against the welding point 6. The power cord is clamped by the clamping mechanism 23, and the power cord is kept in contact with the welding point 6. The wires are clamped by setting arc-shaped clamping plates 231 on both sides, and the connecting rod 232 is reset by setting a spring 234. By setting a circular groove 233, the connecting rod 232 is limited, and by setting an operating hole 24, the worker welds the welding point 6 and the power cord through the operating hole 24. When the power cord needs to be routed, the power cord is clamped into the routing groove 32 on the routing plate 31, and the annular cover 33 is rotated so that the fixing block on the annular cover 33 is clamped into the fixing groove 38, so that the annular cover 33 is fixed by the protrusion on the fixing block, and the power cord is squeezed by setting an arc clamp plate 2 34 and connecting two rods 35, and the connecting two rods 35 are limited by setting a circular groove 36, and the connecting two rods 35 are reset by setting a spring 2 37.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A microphone anti-interference device, comprising a circuit board (1) and a mounting hole (5), wherein the circuit board (1) is screwed into the interior of the microphone by means of the mounting hole (5), characterized in that: The upper end of the circuit board (1) is provided with an anti-interference circuit module (4) and a welding point (6); the upper end of the circuit board (1) is provided with a clamping assembly (2) and a wiring assembly (3); the clamping assembly (2) comprises a cylinder (21); the cylinder (21) is fixed to the circuit board (1) by glue; the upper end of the cylinder (21) is fixedly connected with a ring (22); the inner wall of the ring (22) is provided with a clamping mechanism (23); the wires in the ring (22) are clamped by means of the clamping mechanism (23).

2. A microphone anti-interference device according to claim 1, characterized in that: The clamping mechanism (23) comprises arc-shaped clamping plates (231) arranged on both sides of the inner wall of the circular ring (22), and the arc surfaces of the two arc-shaped clamping plates (231) are fixedly connected to a connecting rod (232).

3. A microphone anti-interference device according to claim 2, characterized in that: Circular grooves (233) are provided on both sides of the inner wall of the circular ring (22); a spring (234) is fixedly connected to one side of the inner wall of the circular groove (233); and the other end of the spring (234) is fixed to a connecting rod (232).

4. A microphone anti-interference device according to claim 3, characterized in that: The connecting rod (232) slides on the inner wall of the circular groove (233), and the circular arc surface of the cylinder (21) is provided with a plurality of evenly distributed operating holes (24).

5. The microphone anti-interference device according to claim 4, characterized in that: The wiring assembly (3) comprises a wiring board (31), the wiring board (31) is fixed to the circuit board (1) by glue, a plurality of evenly distributed wiring grooves (32) and fixing grooves (38) are provided at the upper end of the wiring board (31), a plurality of evenly distributed annular covers (33) are rotatably connected to the upper end of the wiring board (31), and a fixing block is fixedly connected to the other end of the annular cover (33).

6. A microphone anti-interference device according to claim 5, characterized in that: Arc-shaped clamping plates (34) are arranged on both sides of the inner wall of the wiring groove (32), and two connecting rods (35) are fixedly connected to the arc surface of the arc-shaped clamping plates (34).

7. The microphone anti-interference device according to claim 6, characterized in that: Circular grooves (36) are provided on both sides of the inner wall of the wiring groove (32), and the two connecting rods (35) slide on the inner walls of the circular grooves (36).

8. The microphone anti-interference device according to claim 7, characterized in that: The lower end of the connecting rod (35) is fixedly connected to a second spring (37), and the other end of the second spring (37) is fixed to the wiring board (31).

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