CN212113606U - Bluetooth power supply overvoltage protector - Google Patents

Abstract

The utility model discloses a Bluetooth power supply overvoltage protection device, which comprises an overvoltage protection structure, wherein the overvoltage protection structure comprises a first electromagnet, a second electromagnet and a fixing frame, the upper end of the first electromagnet is fixedly arranged through a fixed frame, the second electromagnet is arranged through the fixed frame in a sliding way, the first electromagnet comprises a first iron core, a first spiral lead, an electric sheet, a conductive clamp, a sliding cylinder and a first insulating fixing block, the first spiral lead is wound and fixed at the outer end of the first iron core, the lower end of the first spiral lead is electrically connected through an electric sheet, the electric sheet and the conductive clip are fixedly connected into a whole, a pair of electric sheet and conductive clip are arranged, the electric sheet and the conductive clip are symmetrically and fixedly connected with the lower end of the first insulating fixed block, the pair of sliding cylinders is arranged, and the sliding cylinders are fixedly connected through the side ends of the first insulating fixing blocks. The utility model discloses can carry out the power-off protection to the bluetooth mains voltage is too high, better satisfying the use needs.

Description

Bluetooth power supply overvoltage protector

Technical Field

The utility model relates to a bluetooth power supply equipment technical field specifically is a bluetooth power supply overvoltage protector.

Background

Common bluetooth power is used for intelligence outage and connects electric control, and some bluetooth power do not adopt power-off protection usually, easily cause the problem that overload burns out or even arouses the conflagration, so the urgent need can alleviate the scheme of above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bluetooth power supply overvoltage protector to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a Bluetooth power supply overvoltage protection device comprises an overvoltage protection structure; the overvoltage protection structure comprises a first electromagnet, a second electromagnet and a fixing frame, wherein the upper end of the first electromagnet is fixedly installed through the fixing frame, and the second electromagnet is installed in a sliding mode through the fixing frame; the first electromagnet comprises a first iron core, a first spiral wire, an electric piece, a conductive clamp, a sliding cylinder and a first insulation fixing block, the first spiral wire is wound and fixed at the outer end of the first iron core, the lower end of the first spiral wire is electrically connected through the electric piece, the electric piece and the conductive clamp are fixedly connected into a whole, the electric piece and the conductive clamp are provided with a pair, the electric piece and the conductive clamp are symmetrically and fixedly connected at the lower end of the first insulation fixing block, the sliding cylinder is provided with a pair, and the sliding cylinder is fixedly connected through the side end of the first insulation fixing block; the second electromagnet comprises a sliding rod, a movable block, a second spiral wire, a second iron core and a conductive insert block, the sliding rod is symmetrically and fixedly installed at the upper end of the movable block, the lower end of the movable block is fixedly connected to the upper end of the second iron core, the second spiral wire is wound on the outer side of the second iron core in a sliding mode, the movable block is in movable contact with the second spiral wire, the sliding rod is installed on the inner wall of the sliding cylinder in a sliding and inserting mode, the conductive insert block is matched with the inner side end of the conductive clamp, and the lower end of the conductive insert block is fixedly connected through the movable block; the fixing frame comprises a base body, a second insulating fixing block, an insulating spring, an insulating sleeve and an insulating button, the upper end of the first iron core is fixedly installed through the base body, the second iron core is installed on the inner wall of the second insulating fixing block in a sliding insertion mode, the second insulating fixing block is fixedly connected to the outer wall of the base body, the insulating spring is located on the outer side of the insulating button, the lower end of the insulating spring is fixedly installed through the insulating button, the upper end of the insulating spring is fixedly connected through the second insulating fixing block, one end of the insulating sleeve is fixedly connected through the lower end of the base body, the lower end of the insulating button is installed on the inner wall of the insulating sleeve in a sliding insertion mode, the upper end of the insulating button is right opposite to the lower end of the second iron core, the upper end of the insulating button is in sliding contact with the second, the movable block is in sliding contact with the base body, and the upper end of the second spiral lead is electrically connected through an electric sheet.

Preferably, the first electromagnet further comprises a fixing plate, the fixing plate is fixedly connected to the upper end of the first iron core, and the fixing plate is fixedly connected to the upper end of the base.

Preferably, the second electromagnet further comprises an insulating sleeve, the second spiral wire is fixedly inserted and wound on the outer wall of the insulating sleeve, the second iron core is slidably inserted and installed at the inner end of the insulating sleeve, and the insulating sleeve and the second spiral wire are fixedly installed through the base body.

Preferably, the mount still includes the magnet ring, magnet ring fixed connection is at the lower extreme of the insulating fixed block of second, the inner wall and the second iron core phase-match of magnet ring.

Preferably, the fixing frame further comprises an insulating baffle ring, the lower end of the insulating spring is fixedly connected to the upper wall of the insulating baffle ring, and the insulating baffle ring is fixedly sleeved on the outer wall of the middle part of the insulating button.

Compared with the prior art, the beneficial effects of the utility model are as follows:

in the use process, the target Bluetooth power live wire is electrically connected through the first spiral wire, the lower end of the second spiral wire is electrically connected through the external power supply, when in operation, the lower end of the insulating button is manually pressed upwards to drive the insulating button to overcome the elastic force of the insulating spring to move upwards, the insulating button is utilized to extrude the second iron core upwards, the second iron core drives the movable block to move upwards, the movable block drives the conductive insertion block to move upwards and be inserted between the conductive clamps, the two conductive clips are electrically connected through the conductive plug block, and after the circuit is switched on through the electric sheet and the conductive clips, the external power supply enters the electric sheet through the second spiral lead, the Bluetooth module enters a conductive clamp through an electric sheet, enters a conductive insert block through the conductive clamp, enters another conductive clamp through the conductive insert block, enters another electric sheet, enters a first spiral wire and enters a target Bluetooth power supply through the first spiral wire; when the voltage is overlarge, the current amount in the first spiral lead and the second spiral lead is overlarge, so that the magnetic force generated by the first spiral lead to the first iron core and the magnetic force generated by the second spiral lead to the second iron core are overlarge, the directions of electromagnetic poles generated by the first iron core and the second iron core are the same through the same winding direction of the first spiral lead and the second spiral lead, so that a repulsive force is generated between the first iron core and the second iron core, the repulsive force is improved through the overloaded current to drive the second iron core to move downwards, the conductive insert block overcomes the friction force of the conductive clamp to move downwards to separate from the conductive insert block to disconnect the power supply, the purpose of overload protection is achieved, the upper end of the first iron core is fixedly installed with the base through the fixing plate, the second spiral lead and the second iron core are separated through the insulating sleeve to achieve the purpose of protecting the second spiral lead, and the second iron core is adsorbed at a stable position through the magnet ring after moving downwards in, the second iron core is prevented from moving upwards again, and the lower end of the insulating spring is fixedly installed together with the insulating button through the insulating baffle ring.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

fig. 2 is a schematic structural view of a first electromagnet of the present invention;

fig. 3 is a schematic structural view of a second electromagnet of the present invention;

fig. 4 is a schematic view of the cutting structure of the fixing frame of the present invention.

In the figure: 1. an overvoltage protection structure; 2. a first electromagnet; 3. a second electromagnet; 4. a fixed mount; 5. a fixing plate; 6. a first iron core; 7. a first spiral wire; 8. an electric sheet; 9. a conductive clip; 10. a slide cylinder; 11. a first insulating fixing block; 12. a slide bar; 13. a movable block; 14. a second spiral wire; 15. a second iron core; 16. a conductive plug; 17. a base body; 18. a second insulating fixed block; 19. an insulating spring; 20. an insulating sleeve; 21. an insulating button; 22. an insulating baffle ring; 23. a magnetic ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a Bluetooth power supply overvoltage protection device comprises an overvoltage protection structure 1; the overvoltage protection structure 1 comprises a first electromagnet 2, a second electromagnet 3 and a fixing frame 4, wherein the upper end of the first electromagnet 2 is fixedly installed through the fixing frame 4, and the second electromagnet 3 is installed in a sliding mode through the fixing frame 4; the first electromagnet 2 comprises a first iron core 6, a first spiral wire 7, an electric sheet 8, a conductive clamp 9, a sliding cylinder 10 and a first insulating fixing block 11, the first spiral wire 7 is wound and fixed at the outer end of the first iron core 6, the lower end of the first spiral wire 7 is electrically connected through the electric sheet 8, the electric sheet 8 and the conductive clamp 9 are fixedly connected into a whole, the electric sheet 8 and the conductive clamp 9 are provided with a pair, the electric sheet 8 and the conductive clamp 9 are symmetrically and fixedly connected at the lower end of the first insulating fixing block 11, the sliding cylinder 10 is provided with a pair, and the sliding cylinder 10 is fixedly connected through the side end of the first insulating fixing block 11; the second electromagnet 3 comprises a sliding rod 12, a movable block 13, a second spiral wire 14, a second iron core 15 and a conductive insert 16, the sliding rod 12 is symmetrically and fixedly installed at the upper end of the movable block 13, the lower end of the movable block 13 is fixedly connected to the upper end of the second iron core 15, the second spiral wire 14 is wound on the outer side of the second iron core 15 in a sliding mode, the movable block 13 is in movable contact with the second spiral wire 14, the sliding rod 12 is installed on the inner wall of the sliding cylinder 10 in a sliding and inserting mode, the conductive insert 16 is matched with the inner side end of the conductive clamp 9, and the lower end of the conductive insert 16 is fixedly connected through the movable block 13; the fixed frame 4 comprises a seat body 17, a second insulating fixed block 18, an insulating spring 19, an insulating sleeve 20 and an insulating button 21, the upper end of the first iron core 6 is fixedly installed through the seat body 17, the second iron core 15 is installed on the inner wall of the second insulating fixed block 18 in a sliding insertion mode, the second insulating fixed block 18 is fixedly connected to the outer wall of the seat body 17, the insulating spring 19 is located on the outer side of the insulating button 21, the lower end of the insulating spring 19 is fixedly installed through the insulating button 21, the upper end of the insulating spring 19 is fixedly connected through the second insulating fixed block 18, one end of the insulating sleeve 20 is fixedly connected through the lower end of the seat body 17, the lower end of the insulating button 21 is installed on the inner wall of the insulating sleeve 20 in a sliding insertion mode, the upper end of the insulating button 21 is opposite to the lower end of the second iron core 15, the upper end of the insulating button 21, the movable block 13 is in sliding contact with the upper end of the second spiral lead 14 of the seat body 17 and is electrically connected with the upper end of the second spiral lead through the electric sheet 8; in the use process, a target Bluetooth power live wire is electrically connected through a first spiral wire 7, the lower end of a second spiral wire 14 is electrically connected through an external power supply, during operation, the lower end of an insulating button 21 is manually pressed upwards to drive the insulating button 21 to overcome the elastic force of an insulating spring 19 to move upwards, the insulating button 21 is utilized to upwards extrude a second iron core 15, a movable block 13 is driven by the second iron core 15 to move upwards, a conductive insert block 16 is driven by the movable block 13 to move upwards to be inserted between the conductive inserts 9, the two conductive clips 9 are electrically connected through the conductive insert block 16, after a circuit is switched on through an electric sheet 8 and the conductive clips 9, an external power supply enters the electric sheet 8 through the second spiral wire 14, enters the conductive clips 9 through the electric sheet 8, enters the conductive insert block 16 through the conductive clips 9, enters the other conductive clip 9 through the conductive insert block 16 and then enters the other electric sheet 8, then enters the first spiral lead 7 and enters the target Bluetooth power supply through the first spiral lead 7; when the voltage is too large, the current amount in the first spiral wire 7 and the second spiral wire 14 is too large, so that the magnetic force generated by the first spiral wire 7 on the first iron core 6 and the magnetic force generated by the second spiral wire 14 on the second iron core 15 are too large, the electromagnetic poles generated by the first iron core 6 and the second iron core 15 are in the same direction through the same winding direction of the first spiral wire 7 and the second spiral wire 14, so that a repulsive force is generated between the first iron core 6 and the second iron core 15, the repulsive force is improved through the overloaded current to drive the second iron core 15 to move downwards, the conductive insert 16 overcomes the friction force of the conductive clamp 9 to move downwards to leave the conductive insert 16, and the power supply is disconnected, and the purpose of overload protection is achieved.

The first electromagnet 2 further comprises a fixed plate 5, the fixed plate 5 is fixedly connected to the upper end of the first iron core 6, and the fixed plate 5 is fixedly connected to the upper end of the seat body 17; the upper end of the first iron core 6 is fixedly arranged with the base body 17 through the fixing plate 5.

The second electromagnet 3 further comprises an insulating sleeve, a second spiral wire 14 is fixedly inserted and wound on the outer wall of the insulating sleeve, a second iron core 15 is slidably inserted and installed at the inner end of the insulating sleeve, and the insulating sleeve and the second spiral wire 14 are fixedly installed through a seat body 17; the second spiral conductor 14 and the second iron core 15 are separated by an insulating sleeve, so that the purpose of protecting the second spiral conductor 14 is achieved.

The fixed frame 4 further comprises a magnet ring 23, the magnet ring 23 is fixedly connected to the lower end of the second insulating fixed block 18, and the inner wall of the magnet ring 23 is matched with the second iron core 15; when the second iron core 15 is overloaded and moves downwards, the magnet ring 23 adsorbs the stable position to prevent the second iron core 15 from moving upwards again.

The fixed frame 4 further comprises an insulation baffle ring 22, the lower end of the insulation spring 19 is fixedly connected to the upper wall of the insulation baffle ring 22, and the insulation baffle ring 22 is fixedly sleeved on the outer wall of the middle part of the insulation button 21; the lower end of the insulation spring 19 is fixedly installed with the insulation button 21 through an insulation baffle ring 22.

The working principle is as follows: in the use process, a target Bluetooth power live wire is electrically connected through a first spiral wire 7, the lower end of a second spiral wire 14 is electrically connected through an external power supply, during operation, the lower end of an insulating button 21 is manually pressed upwards to drive the insulating button 21 to overcome the elastic force of an insulating spring 19 to move upwards, the insulating button 21 is utilized to upwards extrude a second iron core 15, a movable block 13 is driven by the second iron core 15 to move upwards, a conductive insert block 16 is driven by the movable block 13 to move upwards to be inserted between the conductive inserts 9, the two conductive clips 9 are electrically connected through the conductive insert block 16, after a circuit is switched on through an electric sheet 8 and the conductive clips 9, an external power supply enters the electric sheet 8 through the second spiral wire 14, enters the conductive clips 9 through the electric sheet 8, enters the conductive insert block 16 through the conductive clips 9, enters the other conductive clip 9 through the conductive insert block 16 and then enters the other electric sheet 8, then enters the first spiral lead 7 and enters the target Bluetooth power supply through the first spiral lead 7; when the voltage is too large, the current amount in the first spiral conductor 7 and the second spiral conductor 14 is too large, so that the magnetic force generated by the first spiral conductor 7 on the first iron core 6 and the magnetic force generated by the second spiral conductor 14 on the second iron core 15 are too large, the electromagnetic pole directions generated by the first iron core 6 and the second iron core 15 are the same through the same winding direction of the first spiral conductor 7 and the second spiral conductor 14, so that a repulsive force is generated between the first iron core 6 and the second iron core 15, the repulsive force is improved through the overloaded current to drive the second iron core 15 to move downwards, the conductive insert 16 overcomes the friction force of the conductive clamp 9 to move downwards to separate from the conductive insert 16 to cut off the power supply, thereby achieving the purpose of overload protection, the upper end of the first iron core 6 is fixedly installed with the base body 17 through the fixing plate 5, the second spiral conductor 14 and the second iron core 15 are separated through the insulating sleeve, the purpose of protecting the second spiral conductor 14 is achieved, when the second iron core 15 is overloaded and moves downwards, the magnet ring 23 adsorbs a stable position to prevent the second iron core 15 from moving upwards again, and the lower end of the insulating spring 19 is fixedly installed with the insulating button 21 through the insulating baffle ring 22.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a bluetooth power supply overvoltage crowbar, includes overvoltage protection structure (1), its characterized in that: the overvoltage protection structure (1) comprises a first electromagnet (2), a second electromagnet (3) and a fixing frame (4), wherein the upper end of the first electromagnet (2) is fixedly installed through the fixing frame (4), and the second electromagnet (3) is installed in a sliding mode through the fixing frame (4); the first electromagnet (2) comprises a first iron core (6), a first spiral wire (7), an electric sheet (8), a conductive clamp (9), a sliding cylinder (10) and a first insulation fixing block (11), the first spiral wire (7) is wound and fixed at the outer end of the first iron core (6), the lower end of the first spiral wire (7) is electrically connected with the electric sheet (8), the electric sheet (8) and the conductive clamp (9) are fixedly connected into a whole, the electric sheet (8) and the conductive clamp (9) are provided with a pair, the electric sheet (8) and the conductive clamp (9) are symmetrically and fixedly connected to the lower end of the first insulation fixing block (11), the sliding cylinder (10) is provided with a pair, and the sliding cylinder (10) is fixedly connected with the side end of the first insulation fixing block (11); the second electromagnet (3) comprises a sliding rod (12), a movable block (13), a second spiral wire (14), a second iron core (15) and a conductive insert block (16), the sliding rod (12) is symmetrically and fixedly installed at the upper end of the movable block (13), the lower end of the movable block (13) is fixedly connected to the upper end of the second iron core (15), the second spiral wire (14) is wound on the outer side of the second iron core (15) in a sliding mode, the movable block (13) is in movable contact with the second spiral wire (14), the sliding rod (12) is installed on the inner wall of the sliding barrel (10) in a sliding and inserting mode, the conductive insert block (16) is matched with the inner side end of the conductive clamp (9), and the lower end of the conductive insert block (16) is fixedly connected through the movable block (13); the fixing frame (4) comprises a base body (17), a second insulating fixing block (18), an insulating spring (19), an insulating sleeve (20) and an insulating button (21), the upper end of the first iron core (6) is fixedly installed through the base body (17), the second iron core (15) is installed on the inner wall of the second insulating fixing block (18) in a sliding and inserting mode, the second insulating fixing block (18) is fixedly connected to the outer wall of the base body (17), the insulating spring (19) is located on the outer side of the insulating button (21), the lower end of the insulating spring (19) is fixedly installed through the insulating button (21), the upper end of the insulating spring (19) is fixedly connected through the second insulating fixing block (18), one end of the insulating sleeve (20) is fixedly connected through the lower end of the base body (17), and the lower end of the insulating button (21) is installed on the inner wall of the insulating sleeve (20) in a sliding and inserting mode, the upper end of insulating button (21) is just to the lower extreme of second iron core (15), the upper end and the second iron core (15) sliding contact of insulating button (21), the upper end of insulating button (21) and the inner wall phase-match of second insulation fixed block (18), movable block (13) and pedestal (17) sliding contact the upper end of second spiral conductor (14) is passed through electric piece (8) electricity and is connected.

2. The overvoltage protection device for the Bluetooth power supply as claimed in claim 1, wherein: first electro-magnet (2) still include fixed plate (5), fixed plate (5) fixed connection is in the upper end of first iron core (6), fixed plate (5) fixed connection is in the upper end of pedestal (17).

3. The overvoltage protection device for the Bluetooth power supply as claimed in claim 1, wherein: the second electromagnet (3) further comprises an insulating sleeve, the second spiral conductor (14) is fixedly inserted and wound on the outer wall of the insulating sleeve, the second iron core (15) is installed at the inner end of the insulating sleeve in a sliding and inserting mode, and the insulating sleeve and the second spiral conductor (14) are fixedly installed through the base body (17).

4. The overvoltage protection device for the Bluetooth power supply as claimed in claim 1, wherein: the fixing frame (4) further comprises a magnet ring (23), the magnet ring (23) is fixedly connected to the lower end of the second insulating fixing block (18), and the inner wall of the magnet ring (23) is matched with the second iron core (15).

5. The overvoltage protection device for the Bluetooth power supply as claimed in claim 1, wherein: the fixing frame (4) further comprises an insulating baffle ring (22), the lower end of the insulating spring (19) is fixedly connected to the upper wall of the insulating baffle ring (22), and the insulating baffle ring (22) is fixedly sleeved on the outer wall of the middle of the insulating button (21).

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