CN213341973U - Switching power supply output short-circuit protection device - Google Patents
Switching power supply output short-circuit protection device Download PDFInfo
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- CN213341973U CN213341973U CN202021775461.3U CN202021775461U CN213341973U CN 213341973 U CN213341973 U CN 213341973U CN 202021775461 U CN202021775461 U CN 202021775461U CN 213341973 U CN213341973 U CN 213341973U
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Abstract
The utility model discloses a switching power supply output short-circuit protection device, including the protection box, the outer wall cover of protection box is equipped with rather than matched with function shell, the inside of function shell is equipped with rather than matched with function groove, one side that the protection box was kept away from in the function groove is equipped with the sliding tray with function shell matched with, the inside symmetry of sliding tray is equipped with rather than function groove matched with carriage, the one end symmetry that the function groove was kept away from to the carriage is equipped with rather than matched with cooperation wheel, the inside interlude of cooperation wheel is equipped with rather than carriage matched with cooperation axle, the inside of cooperation wheel is equipped with rather than matched with adjustment tank, the inside of adjustment tank is equipped with rather than matched with alignment jig, one side that the cooperation wheel was kept away from to the alignment jig is equipped with rather than matched with. The beneficial effects are that: the installation that equipment can carry out the flexibility in the whole use of effectual equipment of having guaranteed to the mounting structure of equipment can be adjusted and make the installation environment of equipment can be more extensive, thereby makes equipment nimble more and practical.
Description
Technical Field
The utility model relates to a short-circuit protection field particularly, relates to a switching power supply output short-circuit protection device.
Background
In the field of switching power supplies, a switching power supply is a power supply which utilizes the modern power electronic technology to control the on-off time ratio of a switching tube and maintain stable output voltage. Because the switching power supply usually works at a switching frequency of more than 20kHz, various electromagnetic noises can be caused by the input of rapidly-changed current and voltage and large surge voltage and surge current of the switching power supply, and meanwhile, when the output end of a switching power supply circuit is in short circuit, large current can be generated in the circuit, so that the switching power supply is damaged, even fire disasters and other serious consequences are caused. In the prior art, the output end of a switching power supply circuit is connected with a short-circuit protection circuit, so that the situation of short circuit of the switching power supply circuit is avoided, however, because the circuit wiring environments are different, the single installation mode of the protection device has limitation, and the protection device cannot be flexibly installed in various environments.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a switching power supply output short-circuit protection device to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
the utility model provides a switching power supply output short-circuit protection device, includes the protection box, the outer wall cover of protection box is equipped with rather than matched with function shell, the inside of function shell is equipped with rather than matched with function groove, the function groove is kept away from one side of protection box be equipped with function shell matched with sliding tray, the inside symmetry of sliding tray be equipped with function groove matched with carriage, the carriage is kept away from the one end symmetry of function groove is equipped with rather than matched with cooperation wheel, the inside interlude of cooperation wheel be equipped with carriage matched with cooperation axle, the inside of cooperation wheel is equipped with rather than matched with adjustment tank, the inside of adjustment tank is equipped with rather than matched with alignment jig, the alignment jig is kept away from one side of cooperation wheel is equipped with rather than matched with installation piece.
Furthermore, a connection adjusting shaft is arranged between the mounting piece and the matching wheel, and a plurality of mounting holes are formed in the mounting piece.
Furthermore, the bottom of the inner wall of the functional shell is symmetrically provided with functional blocks matched with the protection box, a sealing adjusting plug matched with the functional blocks is arranged between every two functional blocks, and the sealing adjusting plug is made of rubber.
Furthermore, an extraction hole is formed in the middle of the top end of the functional shell, and a sealing plug matched with the extraction hole is arranged inside the extraction hole.
Furthermore, the inner wall of the functional shell is provided with a sound insulation pad matched with the protection box.
Furthermore, one end of the sliding frame, which is close to the functional groove, is symmetrically provided with sliding wheels matched with the sliding frame, and sliding shafts matched with the sliding frame are inserted into the sliding wheels.
The utility model has the advantages that: the installation that equipment can carry out the flexibility in the whole use of effectual equipment of having guaranteed to the mounting structure of equipment can be adjusted and make the installation environment of equipment can be more extensive, thereby makes equipment nimble more and practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an output short-circuit protection device of a switching power supply according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fitting wheel of the switching power supply output short-circuit protection device according to the embodiment of the present invention.
In the figure:
1. a protection box; 2. a functional shell; 3. a functional groove; 4. a sliding groove; 5. a carriage; 6. a mating wheel; 7. a mating shaft; 8. an adjustment groove; 9. an adjusting bracket; 10. mounting a sheet; 11. connecting an adjusting shaft; 12. mounting holes; 13. sealing the adjusting plug; 14. an extraction aperture; 15. a sealing plug; 16. a sound insulating pad; 17. a sliding wheel; 18. a sliding shaft; 19. and (4) function blocks.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides a switching power supply output short-circuit protection device.
The first embodiment is as follows:
as shown in fig. 1-2, the short-circuit protection device for the output of the switching power supply according to the embodiment of the present invention comprises a protection box 1, the outer wall of the protection box 1 is sleeved with a function shell 2 matched with the protection box, a function groove 3 matched with the function shell 2 is arranged in the function shell 2, one side of the functional groove 3 far away from the protection box 1 is provided with a sliding groove 4 matched with the functional shell 2, sliding frames 5 matched with the functional grooves 3 are symmetrically arranged inside the sliding grooves 4, matching wheels 6 matched with the sliding frames 5 are symmetrically arranged at one ends of the sliding frames 5 far away from the functional grooves 3, a matching shaft 7 matched with the sliding frame 5 is inserted in the matching wheel 6, an adjusting groove 8 matched with the matching wheel 6 is arranged in the matching wheel 6, the inside of adjustment tank 8 is equipped with rather than matched with alignment jig 9, alignment jig 9 keeps away from one side of cooperation wheel 6 is equipped with rather than matched with installation piece 10.
The specific arrangement and function of the protective case 1, the adjusting bracket 9, the sliding bracket 5, the adjusting groove 8, the fitting shaft 7, the extraction hole 14 and the seal adjusting plug 13 will be described in detail below.
As shown in fig. 1, when the device is used, the protection box 1 is loaded into the function shell 2, the side edge of the protection box is supported by the function block 19, then the sealing adjusting plug 13 is installed, the sealing adjusting plug 13 is partially disassembled according to different connection circuit modes and spaces required by the protection box 1, the function shell 2 can still be attached by the elastic material of the sealing adjusting plug 13 while connection is ensured, the sealing protection performance of the function shell is packaged, then the function shell 2 and the protection box 1 are moved to a preset position, the position of the sliding frame 5 in the sliding groove 4 is moved to a point position required to be installed and fixed, at the moment, the matching wheel 6 is used as an axis, the position of the adjusting groove 8 limits the track, the adjusting frame 9 is moved and drives the installation piece 10 to move around the track, and then the installation piece 10 is matched with the installation and fixation through the rotary connection structure of the connection adjusting shaft 11, and the connecting pin for fixing is installed through the installing hole 12, and the protection box 1 is connected with the protection circuit, thus completing the installation and fixation.
Example two:
as shown in fig. 1-2, a connection adjusting shaft 11 is arranged between the mounting plate 10 and the matching wheel 6, a plurality of mounting holes 12 are arranged inside the mounting plate 10, functional blocks 19 matched with the protection box 1 are symmetrically arranged at the bottom end of the inner wall of the functional shell 2, sealing adjusting plugs 13 matched with the functional blocks 19 are arranged between every two functional blocks 19, the sealing adjusting plugs 13 are made of rubber, an extraction hole 14 is arranged at the middle position of the top end of the functional shell 2, a sealing plug 15 matched with the extraction hole 14 is arranged inside the extraction hole 14, a sound insulation pad 16 matched with the protection box 1 is arranged on the inner wall of the functional shell 2, sliding wheels 17 matched with the sliding frame 5 are symmetrically arranged at one end of the sliding frame 5 close to the functional slot 3, sliding shafts 18 matched with the sliding frame 5 are inserted inside the sliding wheels 17, which is difficult to see from the above design, the sound insulation pad 16 can effectively prevent the propagation of electrical noise, and simultaneously, the air inside the functional shell 2 can be well extracted through the extraction holes 14, so that the propagation of noise can be reduced through the air reduction mode while the operation environment is adjusted.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the protection box 1 is arranged in the function shell 2, the side edge of the protection box 1 is supported by the function block 19, then the sealing adjusting plug 13 is installed, the sealing adjusting plug 13 is partially disassembled according to different connection circuit modes and spaces required by the protection box 1, the elastic material of the sealing adjusting plug 13 can still be attached to the function shell 2 while connection is ensured, the sealing protection performance of the protection box is packaged, then the function shell 2 and the protection box 1 are moved to a preset position, the position of the sliding frame 5 in the sliding groove 4 is moved to a point position required to be installed and fixed, at the moment, the matching wheel 6 is used as an axis, the 8-position of the adjusting groove limits a track, the adjusting frame 9 is moved and drives the installation piece 10 to move around the track, and then the installation piece 10 is matched with the point position required to be installed and fixed through the rotary connection structure of the adjusting shaft 11, and the connecting pin for fixing is installed through the installing hole 12, and the protection box 1 is connected with the protection circuit, thus completing the installation and fixation.
To sum up, with the help of the above technical scheme of the utility model, the effectual equipment of having guaranteed in whole use, equipment can carry out nimble installation to the mounting structure of equipment can be adjusted and make the installation environment of equipment can be more extensive, thereby makes equipment nimble more and practical.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The switching power supply output short-circuit protection device is characterized by comprising a protection box (1), wherein the outer wall of the protection box (1) is sleeved with a function shell (2) matched with the protection box, a function groove (3) matched with the function shell is arranged in the function shell (2), one side, away from the protection box (1), of the function groove (3) is provided with a sliding groove (4) matched with the function shell (2), the sliding groove (4) is symmetrically provided with a sliding frame (5) matched with the function groove (3), one end, away from the function groove (3), of the sliding frame (5) is symmetrically provided with a matching wheel (6) matched with the sliding frame (5), the matching shaft (7) matched with the sliding frame (5) is arranged in the matching wheel (6) in an inserting mode, an adjusting groove (8) matched with the matching wheel (6) is arranged in the matching wheel (6), the inside of adjustment tank (8) is equipped with rather than matched with alignment jig (9), alignment jig (9) keep away from one side of cooperation wheel (6) is equipped with rather than matched with installation piece (10).
2. The switching power supply output short-circuit protection device according to claim 1, wherein a connection adjusting shaft (11) is arranged between the mounting plate (10) and the matching wheel (6), and a plurality of mounting holes (12) are arranged inside the mounting plate (10).
3. The switching power supply output short-circuit protection device according to claim 1, wherein the bottom end of the inner wall of the functional shell (2) is symmetrically provided with functional blocks (19) matched with the protection box (1), a sealing adjusting plug (13) matched with the functional blocks is arranged between every two functional blocks (19), and the sealing adjusting plug (13) is made of rubber.
4. The short-circuit protection device for the output of the switching power supply according to claim 1, wherein an extraction hole (14) is formed in the middle of the top end of the functional shell (2), and a sealing plug (15) matched with the extraction hole (14) is arranged inside the extraction hole (14).
5. A switching power supply output short-circuit protection device according to claim 1, characterized in that the inner wall of the functional shell (2) is provided with a sound insulation pad (16) which is matched with the protection box (1).
6. The short-circuit protection device for the output of the switching power supply according to claim 1, wherein one end of the sliding frame (5) close to the functional slot (3) is symmetrically provided with sliding wheels (17) matched with the sliding frame, and sliding shafts (18) matched with the sliding frame (5) are inserted into the sliding wheels (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775461.3U CN213341973U (en) | 2020-08-24 | 2020-08-24 | Switching power supply output short-circuit protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021775461.3U CN213341973U (en) | 2020-08-24 | 2020-08-24 | Switching power supply output short-circuit protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213341973U true CN213341973U (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021775461.3U Active CN213341973U (en) | 2020-08-24 | 2020-08-24 | Switching power supply output short-circuit protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213341973U (en) |
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2020
- 2020-08-24 CN CN202021775461.3U patent/CN213341973U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221226 Address after: No. 68, Qingyang Road, Xuejia Town, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Jiangsu Foyao Carving Culture and Tourism Technology Co.,Ltd. Address before: 213000 No. 195 Hehai West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Guyu power supply Co.,Ltd. |