CN216751182U - Overvoltage protection structure of switching power supply - Google Patents
Overvoltage protection structure of switching power supply Download PDFInfo
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- CN216751182U CN216751182U CN202122856763.4U CN202122856763U CN216751182U CN 216751182 U CN216751182 U CN 216751182U CN 202122856763 U CN202122856763 U CN 202122856763U CN 216751182 U CN216751182 U CN 216751182U
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- overvoltage protection
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Abstract
The utility model relates to the technical field of switching power supplies, and discloses an overvoltage protection structure of a switching power supply, which comprises the switching power supply and an overload protection switch, wherein a circuit board is arranged in the switching power supply, the switching power supply is arranged on a mounting plate in the left side of the switching power supply, the overload protection switch is fixedly arranged on the surface of the mounting plate, a knife switch driving lever is arranged in the middle of the overload protection switch, mounting holes are formed in four corners of the mounting plate, a plurality of connecting pins are fixedly arranged on the inner side wall of the switching power supply and penetrate through the corresponding mounting holes, clamping grooves are formed in the upper side rod walls of the connecting pins, the mounting holes are clamped with the corresponding clamping grooves, and a fixing plate is fixedly arranged on the inner side wall of the switching power supply and positioned on the lower side of the mounting plate. The utility model can be quickly and conveniently mounted and dismounted, saves time and labor and can greatly improve the working efficiency.
Description
Technical Field
The utility model relates to the technical field of switching power supplies, in particular to an overvoltage protection structure of a switching power supply.
Background
A switching power supply, which is a high-frequency power conversion device, is a power supply, and when the output voltage of the switching power supply suddenly rises, the external load is easily damaged, so an overvoltage protection structure is usually arranged inside the switching power supply.
Traditional voltage protection structure is through adopting a large amount of fix with screws in switching power supply's inside, owing to for guaranteeing protection architecture's normal operating, need regularly dismantle the maintenance to overvoltage protection structure to above-mentioned mounting structure dismouting is loaded down with trivial details, wastes time and energy, great reduction work efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that an overvoltage protection structure of a switching power supply in the prior art is complex in disassembly and assembly, time-consuming and labor-consuming, and inconvenient to disassemble and maintain.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an overvoltage protection structure of a switching power supply comprises the switching power supply and an overload protection switch, a circuit board is arranged in the switching power supply, the circuit board is arranged in the switching power supply and positioned on the left side of the switching power supply and arranged on a mounting plate, the overload protection switch is fixedly arranged on the surface of the mounting plate, a knife switch driving lever is arranged in the middle of the overload protection switch, mounting holes are formed in four corners of the mounting plate, a plurality of connecting pins are fixedly arranged on the inner side wall of the switching power supply and penetrate through the corresponding mounting holes, clamping grooves are formed in the upper side rod walls of the connecting pins, the mounting holes are clamped with the corresponding clamping grooves, a fixing plate is fixedly arranged on the inner side wall of the switching power supply and positioned on the lower side of the mounting plate, a threaded rod is sleeved on the inner part of the fixing plate in a rotating mode, and the upper end of the threaded rod is in threaded connection with the mounting plate, the front side of the mounting plate is provided with a pushing mechanism.
Preferably, pushing mechanism includes push pedal and voltage sensor, the both sides both ends of mounting panel are all fixed and are provided with the fixed block, and the left side is two fixed block and right side are two all fixed slide bars that are provided with between the fixed block, the push pedal sets up in two between the slide bar, the both ends of push pedal all cup joint with the slide bar activity that corresponds, the middle part of push pedal has been seted up and has been pushed away the groove, the front end of plug-in strip driving lever extends to and pushes away the inslot side, the fixed permanent magnet that is provided with in upper end middle part of mounting panel and the fixed electro-magnet that is provided with in lower extreme middle part, voltage sensor sets up in the downside of electro-magnet and with electro-magnet electric connection, the both sides of push pedal all are through connecting rod fixedly connected with iron plate.
Preferably, springs are movably sleeved on the rod walls of the two sliding rods and located between the upper side of the push plate and the corresponding fixed block.
Preferably, the electromagnet is higher in magnetism after being electrified than the permanent magnet.
Preferably, the lower end of the threaded rod is fixedly sleeved with a rotating wheel.
Preferably, the outer side wall of the runner is provided with anti-skid grains.
Compared with the prior art, the utility model provides an overvoltage protection structure of a switching power supply, which has the following beneficial effects:
1. this switching power supply's overvoltage protection structure, voltage sensor switch-on electro-magnet's power when passing through the voltage height for the electro-magnet carries out magnetic adsorption to downside iron plate, even get the push pedal downstream, is about to the plug-in strip driving lever and promotes downwards, makes overload protection switch close switching power supply, can stabilize quick overvoltage protection to switching power supply promptly.
2. This switching power supply's overvoltage protection structure through rotating the threaded rod for the threaded rod separates with the mounting panel, makes the mounting panel leave from the draw-in groove of a plurality of connecting pin pole walls, then pulls out the mounting panel to the front side, accomplishes the dismantlement to the mounting panel promptly, can carry out quick convenient installation and dismantlement to overvoltage protection structure promptly, labour saving and time saving, improvement work efficiency that can be great.
The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the device can be quickly and conveniently mounted and dismounted, time and labor are saved, and the working efficiency can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an overvoltage protection structure of a switching power supply according to the present invention;
fig. 2 is a perspective view of the connecting pin of fig. 1.
In the figure: the device comprises a switch power supply 1, a circuit board 2, a mounting plate 3, an overload protection switch 4, a knife switch lever 5, a fixed block 6, a sliding rod 7, a push plate 8, a connecting rod 9, an iron plate 10, a permanent magnet 11, an electromagnet 12, a voltage sensor 13, a connecting pin 14, a spring 15, a fixed plate 16, a threaded rod 17 and a rotating wheel 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, an overvoltage protection structure of a switching power supply comprises a switching power supply 1 and an overload protection switch 4, a circuit board 2 is arranged inside the switching power supply 1, the switching power supply 1 is arranged on a mounting plate 3 at the left side of the switching power supply 1, the overload protection switch 4 is fixedly arranged on the surface of the mounting plate 3, a knife switch deflector rod 5 is arranged in the middle of the overload protection switch 4, mounting holes are formed in four corners of the mounting plate 3, a plurality of connecting pins 14 are fixedly arranged on the inner side wall of the switching power supply 1, the connecting pins 14 penetrate through the corresponding mounting holes, clamping grooves are formed in the upper side rod walls of the connecting pins 14, the mounting holes are clamped with the corresponding clamping grooves, a fixing plate 16 is fixedly arranged on the inner side wall of the switching power supply 1 at the lower side of the mounting plate 3, and a threaded rod 17 is sleeved on the inner side of the fixing plate 16 in a rotating manner, the upper end of the threaded rod 17 is in threaded connection with the mounting plate 3, and the front side of the mounting plate 3 is provided with a pushing mechanism.
Pushing mechanism includes push pedal 8 and voltage sensor 13, and the both sides both ends of mounting panel 3 are all fixed and are provided with fixed block 6, two fixed blocks 6 in left side both sides and right side two equal fixed slide bar 7 that is provided with between the fixed block 6, and push pedal 8 sets up between two slide bars 7, and push pedal 8's both ends all cup joint with the slide bar 7 activity that corresponds, and push pedal 8's middle part has been seted up and has been pushed away the groove, and the front end of plug-in strip driving lever 5 extends to and pushes away the inslot side, and the fixed permanent magnet 11 and the fixed electro-magnet 12 that is provided with in lower extreme middle part of being provided with in upper end middle part of mounting panel 3, and voltage sensor 13 sets up in electro-magnet 12's downside and with electro-magnet 12 electric connection, and connecting rod 9 fixedly connected with iron plate 10 are all passed through to push pedal 8's both sides.
The rod walls of the two slide rods 7 are movably sleeved with springs 15 between the upper sides of the push plates 8 and the corresponding fixed blocks 6, so that the push plates 8 can move downwards quickly.
The electromagnet 12 is higher in magnetism than the permanent magnet 11 after being energized, so that the electromagnet 12 can attract the lower iron plate 10 after being energized.
The lower end of the threaded rod 17 is fixedly sleeved with a rotating wheel 18, so that the threaded rod 17 can be conveniently rotated.
The lateral wall of runner 18 is provided with anti-skidding line, and the friction of increase hand and runner 18 prevents to skid.
In the utility model, when the device is used, when the voltage is too high, the voltage sensor 13 is connected with the power supply of the electromagnet 12, so that the electromagnet 12 performs magnetic adsorption on the lower iron plate 10, namely, the push plate 8 moves downwards, namely, the knife switch deflector rod 5 pushes downwards, so that the overload protection switch 4 closes the switch power supply 1, namely, stable and rapid overvoltage protection can be performed on the switch power supply 1, when the protection structure needs to be disassembled and maintained, a worker rotates the threaded rod 17, so that the threaded rod 17 drives the mounting plate 3 to move upwards until the mounting plate is separated, the mounting plate 3 leaves from the clamping grooves of the rod walls of the connecting pins 14 until the mounting hole and the corresponding connecting pin 14 align with each other, then the mounting plate 3 is pulled out forwards, namely, the mounting plate 3 is disassembled, namely, the overvoltage protection structure mounted on the mounting plate 3 can be rapidly and conveniently assembled and disassembled, labour saving and time saving, improvement work efficiency that can be great.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a switching power supply's overvoltage protection structure, includes switching power supply (1) and overload protection switch (4), a serial communication port, the inside of switching power supply (1) is provided with circuit board (2), the inside of switching power supply (1) and the left side that is located switching power supply (1) set up in mounting panel (3), overload protection switch (4) are fixed to be set up in the surface of mounting panel (3), the middle part of overload protection switch (4) is provided with plug-in strip driving lever (5), the mounting hole has all been seted up in the four corners of mounting panel (3), the fixed a plurality of connecting pin (14) that are provided with of inside wall of switching power supply (1), it is a plurality of connecting pin (14) all pass the mounting hole that corresponds, and are a plurality of the draw-in groove has all been seted up to the last side rod wall of connecting pin (14), and a plurality of mounting hole all with the draw-in groove joint that corresponds, the inside wall of switching power supply (1) and the downside that is located mounting panel (3) are fixed and are provided with the fixed plate (16) The fixing plate is characterized in that a threaded rod (17) is sleeved in the fixing plate (16) in a rotating mode, the upper end of the threaded rod (17) is in threaded connection with the mounting plate (3), and a pushing mechanism is arranged on the front side of the mounting plate (3).
2. The overvoltage protection structure of a switching power supply according to claim 1, wherein the pushing mechanism comprises a push plate (8) and a voltage sensor (13), fixed blocks (6) are fixedly arranged at both ends of the mounting plate (3), a slide bar (7) is fixedly arranged between the left fixed block (6) and the right fixed block (6), the push plate (8) is arranged between the two slide bars (7), both ends of the push plate (8) are movably sleeved with the corresponding slide bars (7), a push groove is formed in the middle of the push plate (8), the front end of the knife shift lever (5) extends to the inner side of the push groove, a permanent magnet (11) is fixedly arranged in the middle of the upper end of the mounting plate (3), an electromagnet (12) is fixedly arranged in the middle of the lower end of the mounting plate, and the voltage sensor (13) is arranged on the lower side of the electromagnet (12) and electrically connected with the electromagnet (12), and iron plates (10) are fixedly connected to the two sides of the push plate (8) through connecting rods (9).
3. The overvoltage protection structure of a switching power supply according to claim 2, wherein springs (15) are movably sleeved on the rod walls of the two sliding rods (7) and between the upper side of the push plate (8) and the corresponding fixed block (6).
4. An overvoltage protection arrangement for a switching power supply according to claim 2, characterized in that said electromagnet (12) is energized with a higher magnetic polarity than the permanent magnet (11).
5. An overvoltage protection arrangement for a switching power supply according to claim 1, wherein a runner (18) is fixedly secured to the lower end of said threaded rod (17).
6. The overvoltage protection structure of a switching power supply according to claim 5, wherein an outer side wall of the runner (18) is provided with an anti-slip texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856763.4U CN216751182U (en) | 2021-11-22 | 2021-11-22 | Overvoltage protection structure of switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856763.4U CN216751182U (en) | 2021-11-22 | 2021-11-22 | Overvoltage protection structure of switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751182U true CN216751182U (en) | 2022-06-14 |
Family
ID=81929177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122856763.4U Active CN216751182U (en) | 2021-11-22 | 2021-11-22 | Overvoltage protection structure of switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751182U (en) |
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2021
- 2021-11-22 CN CN202122856763.4U patent/CN216751182U/en active Active
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