Switching power supply board capable of automatically resetting
By using a voltage comparator, signal converter, and control chip in conjunction with a small motor, the switching components of the power supply board are automatically shut down, solving the problems of equipment damage and fire hazards caused by abnormal output voltage, and improving safety and stability.
Patent Information
- Application Number
- CN202423000081.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-12-06
AI Technical Summary
Existing switching power supply boards, when the output voltage is abnormal, will continuously output high voltage, which will damage the load equipment and pose a fire hazard.
It employs a voltage comparator, signal converter, and control chip in conjunction with a small motor, and automatically shuts off the switching assembly via a reset mechanism to cut off the voltage output and prevent continuous output.
It enables automatic reset of the switching power supply board, preventing damage to the load equipment, avoiding fire, and improving safety and stability.
Smart Images
Figure CN223514785U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to switch power board technical field especially relates to a switch power board of automatic reset. BACKGROUND
[0002] Switch power board is a kind of electronic equipment, main function is to carry out conversion and regulation to the input electric energy, provides stable DC power supply for other electronic equipment.
[0003] But in prior art, when the output voltage or current of switch power board is abnormal, abnormal electric energy is continuously output, when output voltage continuously rises, connected load equipment will suffer damage due to long time to bear excessive voltage, not only affect the use of equipment, serious fire will occur, there is security risk, therefore, a kind of switch power board of automatic reset is presented. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problems of prior art, when output voltage continuously rises, connected load equipment will suffer damage due to long time to bear excessive voltage, not only affect the use of equipment, serious fire will occur, there is security risk, and a kind of switch power board of automatic reset is presented.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of switch power board of automatic reset, including switch power board body, the upper end of the switch power board body is fixedly connected with switch assembly, the upper end of the switch power board body is installed with voltage comparator, the upper end of the switch power board body is fixedly installed with signal converter, the upper end of the switch power board body is fixedly installed with control chip, the upper end of the switch power board body is provided with reset mechanism;
[0006] The reset mechanism includes two groups of support seats, one side of one group of support seats is fixedly installed with small motor, the upper end of two groups of support seats is provided with movable plate, the upper end of two groups of support seats is all set with guide slot, the inside of one group of support seats is slidably installed with male threaded seat, the inside of one group of support seats is rotatably installed with screw rod, the lower end of movable plate is fixedly installed with arc push plate.
[0007] Preferably, the inside of another group of guide slots is slidably installed with male guide seat, the protruding portion of male guide seat passes through the upper end of one group of guide slots, and is fixed with the lower end of movable plate.
[0008] Preferably, the voltage comparator is electrically connected with the signal converter, the signal converter is electrically connected with the control chip, the control chip is signal connected with small motor, and the voltage comparator is electrically connected with the switch assembly.
[0009] Preferably, the lower ends of the two groups of support seats are fixed to the upper end of the switch power board body, and the upper end of the male threaded seat is fixed to the lower end of the movable plate.
[0010] Preferably, one end of the screw rod penetrates through one side of one group of support seats and is fixed to the output end of the small motor, the screw rod is in threaded connection with the male threaded seat, and the arc-shaped push plate is located directly above the switch assembly.
[0011] Preferably, the two sides of the two groups of support seats are fixedly provided with inclined baffles, and the lower ends of the four groups of inclined baffles are fixed to the upper end of the switch power board body.
[0012] Compared with the prior art, the switch power board has the advantages and positive effects that:
[0013] 1. In the switch power board, the switch assembly, the voltage comparator, the signal converter, the control chip and the reset mechanism are cooperated to close the switch assembly, cut off the voltage continuous output, so that the automatic reset of the switch power board body can be realized, the output of the voltage to the switch power board body is prevented, the connected load equipment is prevented from being damaged due to long-time bearing of the overhigh voltage, the use of the equipment is not affected, a fire is prevented, and the safety is improved.
[0014] 2. In the switch power board, the movable plate, the other group of guide grooves and the male guide seat are cooperated to increase the stability of the movable plate during movement, and the movable plate drives the arc-shaped push plate more smoothly, so that the inclination of the movable plate is prevented, and the normal movement of the movable plate is affected. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A three-dimensional structure schematic view of the switch power board is provided for the utility model;
[0016] Figure 2 A top view of the switch power board is provided for the utility model;
[0017] Figure 3 A structure schematic view of the switch assembly and the reset mechanism in the switch power board is provided for the utility model;
[0018] Figure 4 A bottom view of the movable plate and the arc-shaped push plate in the switch power board is provided for the utility model.
[0019] Legend: 1. Switching power supply board body; 11. Switching assembly; 12. Voltage comparator; 13. Signal converter; 14. Control chip; 2. Reset mechanism; 21. Support base; 22. Small motor; 23. Movable plate; 24. Guide groove; 25. Slanted baffle; 26. Convex threaded seat; 27. Screw; 28. Arc-shaped push plate; 29. Convex guide seat. Detailed Implementation
[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0022] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides an automatically resetable switching power supply board, including a switching power supply board body 1, a switching assembly 11 fixedly connected to the upper end of the switching power supply board body 1, a voltage comparator 12 installed on the upper end of the switching power supply board body 1, a signal converter 13 fixedly installed on the upper end of the switching power supply board body 1, a control chip 14 fixedly installed on the upper end of the switching power supply board body 1, and a reset mechanism 2 provided on the upper end of the switching power supply board body 1.
[0023] The reset mechanism 2 comprises two groups of support seats 21, one side of one group of support seats 21 is fixedly provided with a small motor 22, the upper ends of the two groups of support seats 21 are provided with movable plates 23, the upper ends of the two groups of support seats 21 are provided with guide grooves 24, a convex threaded seat 26 is slidably arranged in one group of support seats 21, a screw rod 27 is rotatably arranged in one group of support seats 21, the lower end of the movable plate 23 is fixedly provided with an arc-shaped push plate 28, the lower ends of the two groups of support seats 21 are fixed to the upper end of the switch power supply board body 1, the upper end of the convex threaded seat 26 is fixed to the lower end of the movable plate 23, one end of the screw rod 27 penetrates through one side of one group of support seats 21 and is fixed to the output end of the small motor 22, the screw rod 27 is threadedly connected with the convex threaded seat 26, the arc-shaped push plate 28 is located directly above the switch assembly 11, the two sides of the two groups of support seats 21 are fixedly provided with inclined baffles 25, the lower ends of the four groups of inclined baffles 25 are fixed to the upper end of the switch power supply board body 1, the voltage comparator 12 is electrically connected with the signal converter 13, the signal converter 13 is electrically connected with the control chip 14, the control chip 14 is signal connected with the small motor 22, and the voltage comparator 12 is electrically connected with the switch assembly 11.
[0024] The specific settings and effects of the embodiment will be described below. Under the cooperation of the electrical connection of the voltage comparator 12 and the signal converter 13, the electrical connection of the signal converter 13 and the control chip 14, and the signal connection of the control chip 14 and the small motor 22, the voltage comparator 12 detects the input voltage. When the input voltage signal is abnormal, the voltage comparator 12 transmits the signal to the signal converter 13, the signal converter 13 processes and converts the signal and transmits it to the control chip 14, the control chip 14 controls the small motor 22 to operate, and the output end of the small motor 22 drives the screw rod 27 to rotate in one group of guide grooves 24. Since the convex threaded seat 26 is slidably arranged in one group of guide grooves 24 and is threadedly connected with the screw rod 27, the convex threaded seat 26 can only move on the outer wall of the screw rod 27, and the convex threaded seat 26 slides in one group of guide grooves 24. At the same time, the convex threaded seat 26 drives the arc-shaped push plate 28 to move through the movable plate 23, the arc-shaped push plate 28 moves to the switch assembly 11 and exchanges the keys of the switch assembly 11, thereby closing the switch assembly 11 and cutting off the voltage output, so as to automatically restore the switch power supply board body 1, prevent the continuous output of voltage to the switch power supply board body 1, prevent the connected load equipment from being damaged due to long-time bearing of high voltage, not only without affecting the use of the equipment, but also preventing fire, and improving safety.
[0025] By installing the inclined baffles 25 on both sides of the two groups of support seats 21, and fixing the lower ends of the four groups of inclined baffles 25 to the upper end of the switch power supply board body 1, the four groups of inclined baffles 25 can support the two groups of support seats 21, increasing the stability and firmness of the two groups of support seats 21.
[0026] Embodiment two: as shown in Figure 1 、 Figure 2 and Figure 3 Another group of guide grooves 24 are internally slidably installed with convex guide seats 29, the protruding parts of the convex guide seats 29 pass through the upper end of one of the groups of guide grooves 24, and are fixed to the lower end of the movable plate 23.
[0027] The effect achieved by the entire embodiment is that when the movable plate 23 moves, the movable plate 23 also drives the convex guide seats 29 to move, the convex guide seats 29 slide inside the other group of guide grooves 24, which can increase the stability when the movable plate 23 moves, and make the movable plate 23 drive the arc-shaped push plate 28 more smoothly, preventing the movable plate 23 from tilting and affecting its normal movement.
[0028] The use method and working principle of the device are as follows: first, connect the circuit of the output voltage with the voltage comparator 12, when the voltage output is abnormal, the voltage comparator 12 will transmit the signal to the signal converter 13, the signal converter 13 will process and convert the signal, and transmit it to the control chip 14, the control chip 14 controls the small motor 22 to run, the output end of the small motor 22 drives the screw rod 27 to rotate inside one of the groups of guide grooves 24, so that the convex threaded seat 26 can only move in the threads on the outer wall of the screw rod 27, while the convex threaded seat 26 slides inside one of the groups of guide grooves 24, and the convex threaded seat 26 drives the arc-shaped push plate 28 to move through the movable plate 23, the arc-shaped push plate 28 moves towards the switch assembly 11, and exchanges the keys of the switch assembly 11, which can turn off the switch assembly 11 and cut off the continuous output of the voltage, so as to realize the automatic recovery of the switch power supply board body 1, finally, the staff operates the reset mechanism 2 to run, the small motor 22 drives the screw rod 27 to rotate, the screw rod 27 drives the convex threaded seat 26 to move inside one of the groups of guide grooves 24, and the convex threaded seat 26 drives the arc-shaped push plate 28 to move through the movable plate 23, which can move the arc-shaped push plate 28 to the original position, facilitating the subsequent recovery work of the switch assembly 11.
[0029] The above are only the preferred embodiments of the present application, and are not intended to limit the present application in other forms, and any skilled person in the art can change or modify the above disclosed technology content to equivalent embodiments with equivalent changes applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still fall within the protection scope of the present application.
Claims
1. An automatically resettable switched power panel comprising a switched power panel body (1), characterized in that: The upper end of the switch power board body (1) is fixedly connected with a switch assembly (11), the upper end of the switch power board body (1) is provided with a voltage comparator (12), the upper end of the switch power board body (1) is fixedly installed with a signal converter (13), the upper end of the switch power board body (1) is fixedly installed with a control chip (14), and the upper end of the switch power board body (1) is provided with a reset mechanism (2). The reset mechanism (2) comprises two groups of supporting seats (21), one side of one group of the supporting seats (21) is fixedly installed with a small motor (22), the upper ends of the two groups of supporting seats (21) are provided with movable plates (23), the upper ends of the two groups of supporting seats (21) are provided with guide grooves (24), the inside of one group of the supporting seats (21) is slidably installed with a male threaded seat (26), and the inside of one group of the supporting seats (21) is rotatably installed with a screw rod (27), and the lower end of the movable plate (23) is fixedly installed with an arc-shaped push plate (28).
2. The auto-resettable switch power panel of claim 1, wherein: The inside of the other group of the guide grooves (24) is slidably installed with a male guide seat (29), and the protruding part of the male guide seat (29) penetrates through the upper end of one group of the guide grooves (24) and is fixed with the lower end of the movable plate (23).
3. The auto-resettable switch power panel of claim 1, wherein: The voltage comparator (12) is electrically connected with the signal converter (13), the signal converter (13) is electrically connected with the control chip (14), the control chip (14) is signal connected with the small motor (22), and the voltage comparator (12) is electrically connected with the switch assembly (11).
4. The auto-resettable switch power panel of claim 1, wherein: The lower ends of the two groups of supporting seats (21) are fixed with the upper end of the switch power board body (1), and the upper end of the male threaded seat (26) is fixed with the lower end of the movable plate (23).
5. An automatically resettable switchboard according to claim 4, characterized in that: One end of the screw rod (27) penetrates through one side of one group of the supporting seats (21) and is fixed with the output end of the small motor (22), the screw rod (27) is in threaded connection with the male threaded seat (26), and the arc-shaped push plate (28) is located directly above the switch assembly (11).
6. An auto-resettable switchboard power supply according to claim 5, wherein: The two sides of the two groups of supporting seats (21) are fixedly installed with inclined baffles (25), and the lower ends of the four groups of inclined baffles (25) are fixed with the upper end of the switch power board body (1).