CN213521638U - Switch power supply grounding protection device - Google Patents
Switch power supply grounding protection device Download PDFInfo
- Publication number
- CN213521638U CN213521638U CN202022274398.1U CN202022274398U CN213521638U CN 213521638 U CN213521638 U CN 213521638U CN 202022274398 U CN202022274398 U CN 202022274398U CN 213521638 U CN213521638 U CN 213521638U
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- wall
- device frame
- spring
- power supply
- induction
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- 230000006698 induction Effects 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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Abstract
The utility model discloses a switching power supply ground protection device, including device frame, first response piece and induction coil, fixed mounting has dangerous signboard on the outer wall of device frame, the outer wall fixed mounting of device frame has first spring, fixed mounting has the clamp plate on the outer wall of first spring, the inner wall fixed mounting of device frame has the input, the one end fixed mounting of input has the current-sensing ware, the one end fixed mounting of current-sensing ware has the axostylus axostyle, movable mounting has the induction rod on the outer wall of axostylus axostyle, the inner wall of device frame is provided with the second and responds to the piece. The utility model discloses, the cooperation through spring and clamp plate blocks the input electric wire, and the cooperation through electromagnetic ring and metal block makes the response piece be connected to the response pole, makes its inside better cooling through inside fan, through the better protection circuit of effect of current inductor, has discharged the potential safety hazard, simple structure, uses convenient and fast more.
Description
Technical Field
The utility model relates to a switching power supply technical field specifically is a switching power supply ground protection device.
Background
With the development and progress of society, the proportion of photovoltaic power generation in a power generation system is larger and larger, and especially distributed power generation is increased at a fast speed. In practical applications, the switching power supply is a high-frequency power conversion device, and is a kind of power supply, in order to fully consider the safety of human body and equipment. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The wiring terminal of the existing switching power supply is exposed, and the grounding protection measure is generally to fix a ground wire at the wiring terminal through a screw, so that the wiring mode is poor in safety and inconvenient to install.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching power supply ground protection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a switch power supply grounding protection device comprises a device frame, a first induction block and an induction coil, wherein a danger signboard is fixedly arranged on the outer wall of the device frame, the outer wall of the device frame is fixedly provided with a first spring, the outer wall of the first spring is fixedly provided with a pressing plate, the inner wall of the device frame is fixedly provided with an input end, one end of the input end is fixedly provided with a current inductor, one end of the current inductor is fixedly provided with a shaft lever, the outer wall of the shaft lever is movably provided with an induction rod, the inner wall of the device frame is provided with a second induction block, the output end of the second induction block is fixedly provided with a resistor, one end of the resistor is fixedly provided with a grounding pin, the inner wall of the device frame is fixedly provided with a fan, the outer wall of the induction rod is fixedly provided with a metal block, and the outer wall of the induction rod is fixedly provided with a second spring.
Preferably, the number of the pressing plates is two, and the two pressing plates are respectively installed at two ends of the first spring.
Preferably, the inner wall of the induction rod is provided with a hole, and the aperture of the hole is matched with the size of the shaft rod.
Preferably, one end of the shaft rod close to the induction coil is provided with current, and the second spring is a return spring.
Preferably, the ground pin passes through the device frame and extends outside thereof, and the input end passes through the device frame and extends onto the pressure plate.
Preferably, the number of the current inductors is three, the left end of the resistor is fixedly connected with a second induction block, and the right end of the resistor is fixedly connected with the current inductors.
Compared with the prior art, the beneficial effects of the utility model are that: this switching power supply ground protection device blocks the input electric wire through the cooperation of spring and clamp plate, makes the response pole connect the response piece through the cooperation of electromagnetic ring and metal block, makes its inside better cooling through inside fan, through the better protection circuit of effect of current inductor, has discharged the potential safety hazard, simple structure, and it is convenient and fast more to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an external schematic view of the present invention;
fig. 3 is a schematic view of the induction coil and the metal block of the present invention.
In the figure: 1. a device frame; 2. a first spring; 3. pressing a plate; 4. an input end; 5. a current sensor; 6. A shaft lever; 7. an induction rod; 8. a first sensing block; 9. a second sensing block; 10. a resistance; 11. a ground pin; 12. a fan; 13. an induction coil; 14. a metal block; 15. a second spring; 16. danger sign board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a switching power supply ground protection device comprises a device frame 1, a first induction block 8 and an induction coil 13, wherein a danger signboard 16 is fixedly installed on the outer wall of the device frame 1, a first spring 2 is fixedly installed on the outer wall of the device frame 1, pressing plates 3 are fixedly installed on the outer wall of the first spring 2, the number of the pressing plates 3 is two, the two pressing plates 3 are respectively installed at two ends of the first spring 2, an input end 4 is fixedly installed on the inner wall of the device frame 1, one end of the input end 4 is fixedly installed with a current inductor 5, the number of the current inductors 5 is three, a second induction block 9 is fixedly connected at the left end of a resistor 10, a current inductor 5 is fixedly connected at the right end of the resistor 10, a shaft lever 6 is fixedly installed at one end of the current inductor 5, one end of the shaft lever 6 close to the induction coil 13 is provided with current, the second spring 15 is a reset spring, an, the inner wall of response pole 7 is provided with the hole, the aperture in above-mentioned hole and the size looks adaptation of axostylus axostyle 6, the inner wall of device frame 1 is provided with second response piece 9, the output fixed mounting of second response piece 9 has resistance 10, the one end fixed mounting of resistance 10 has earthing needle 11, earthing needle 11 passes device frame 1 and extends its outside, input 4 passes device frame 1 and extends to on clamp plate 3, the inner wall fixed mounting of device frame 1 has fan 12, fixed mounting has metal block 14 on the outer wall of response pole 7, fixed mounting has second spring 15 on the outer wall of response pole 7.
The working principle is as follows: at first through first spring 2 with the electric wire card on clamp plate 3, the electric current passes through input 4 and arrives on the induction bar 7 through current inductor 5, induction bar 7 and induction coil 13 are the same magnetic pole, when normal electric current passes through, induction coil 13 swings induction bar 7 to first response piece 8 on, when the electric current is too big, the circuit causes the circuit break, induction coil 13 magnetic pole disappears, second spring 15 draws down induction bar 7 second response piece 9, then will cross the heavy current and penetrate the underground through earthing needle 11.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a switching power supply ground protection device, includes device frame (1), first response piece (8) and induction coil (13), its characterized in that: the device comprises a device frame (1), a danger signboard (16) is fixedly mounted on the outer wall of the device frame (1), a first spring (2) is fixedly mounted on the outer wall of the device frame (1), a pressing plate (3) is fixedly mounted on the outer wall of the first spring (2), an input end (4) is fixedly mounted on the inner wall of the device frame (1), a current inductor (5) is fixedly mounted at one end of the input end (4), a shaft lever (6) is fixedly mounted at one end of the current inductor (5), an induction rod (7) is movably mounted on the outer wall of the shaft lever (6), a second induction block (9) is arranged on the inner wall of the device frame (1), a resistor (10) is fixedly mounted at the output end of the second induction block (9), a grounding needle (11) is fixedly mounted at one end of the resistor (10), and a fan (12) is fixedly mounted on the inner wall of the, the outer wall of the induction rod (7) is fixedly provided with a metal block (14), and the outer wall of the induction rod (7) is fixedly provided with a second spring (15).
2. The switching power supply ground protection device according to claim 1, characterized in that: the number of the pressing plates (3) is two, and the two pressing plates (3) are respectively arranged at two ends of the first spring (2).
3. The switching power supply ground protection device according to claim 1, characterized in that: the inner wall of the induction rod (7) is provided with a hole, and the aperture of the hole is matched with the size of the shaft lever (6).
4. The switching power supply ground protection device according to claim 1, characterized in that: one end of the shaft lever (6) close to the induction coil (13) is provided with current, and the second spring (15) is a return spring.
5. The switching power supply ground protection device according to claim 1, characterized in that: the grounding pin (11) penetrates through the device frame (1) and extends out of the device frame, and the input end (4) penetrates through the device frame (1) and extends onto the pressing plate (3).
6. The switching power supply ground protection device according to claim 1, characterized in that: the number of the current inductors (5) is three, the left end of the resistor (10) is fixedly connected with a second induction block (9), and the right end of the resistor (10) is fixedly connected with the current inductors (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022274398.1U CN213521638U (en) | 2020-10-13 | 2020-10-13 | Switch power supply grounding protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022274398.1U CN213521638U (en) | 2020-10-13 | 2020-10-13 | Switch power supply grounding protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521638U true CN213521638U (en) | 2021-06-22 |
Family
ID=76397270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022274398.1U Expired - Fee Related CN213521638U (en) | 2020-10-13 | 2020-10-13 | Switch power supply grounding protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521638U (en) |
-
2020
- 2020-10-13 CN CN202022274398.1U patent/CN213521638U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |