CN214626772U - Switching power supply protection device based on inverse time limit overload protection - Google Patents
Switching power supply protection device based on inverse time limit overload protection Download PDFInfo
- Publication number
- CN214626772U CN214626772U CN202120134830.9U CN202120134830U CN214626772U CN 214626772 U CN214626772 U CN 214626772U CN 202120134830 U CN202120134830 U CN 202120134830U CN 214626772 U CN214626772 U CN 214626772U
- Authority
- CN
- China
- Prior art keywords
- power supply
- switching power
- installation casing
- installation
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Inverter Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The embodiment of the utility model discloses switching power supply protection device based on inverse time limit overload protection relates to switching power supply technical field. The utility model discloses an installation casing, end cover, extension board, self recovery fuse and switching power supply body, installation casing are the cavity structure, and surface welding has a plurality of extension boards under the installation casing, and extension board surface mounting has fixing bolt, and surface mounting has the end cover on the installation casing, and installation casing internally mounted has self recovery fuse and switching power supply body. The utility model discloses a dust screen structure avoids piling up in a large number of dust, guarantees switching power supply's behavior, through the fan structure, avoids the heat accumulation that switching power supply produced to be in the same place, in time to the switching power supply heat dissipation, avoids its internal circuit to burn out, through dry box structure, avoids the liquid drop that the inside humidity of installation casing was too high to condense to cause the damage to the self-resuming fuse, improve equipment's life.
Description
Technical Field
The embodiment of the utility model provides a switching power supply technical field, concretely relates to switching power supply protection device based on inverse time limit overload protection.
Background
A switching power supply, also called switching power supply, a switching converter, which is a high-frequency power conversion device, is a power supply, and functions to convert a level voltage into a voltage or current required by a user terminal through different types of architectures, where the input of the switching power supply is mostly an ac power supply or a dc power supply, and the output is mostly equipment requiring a dc power supply.
The existing switching power supply does not have good protection measures mostly, so that the switching power supply body is in contact with a lot of dust, the working condition of the switching power supply body can be influenced by a large amount of accumulated dust, the switching power supply is easy to generate heat under the working condition, and the heat of the existing switching power supply body is easy to gather together, so that the internal circuit of the switching power supply is burnt out.
Disclosure of Invention
Therefore, the embodiment of the utility model provides a switching power supply protection device based on inverse time limit overload protection, through the dust screen structure, avoid piling up in a large number of dust, guarantee switching power supply's behavior, through the fan structure, the heat accumulation that avoids switching power supply to produce is in the same place, in time dispel the heat to switching power supply, avoid its internal circuit to burn out, through dry box structure, the liquid drop of avoiding installing the inside high condensation of casing humidity causes the damage to the self-resuming fuse, improve equipment's life, problem among the prior art is solved.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the utility model provides a switching power supply protection device based on inverse time limit overload protection, includes installation casing, end cover, extension board, self recovery fuse and switching power supply body, the installation casing is the cavity structure, surface welding has a plurality of extension boards under the installation casing, an extension board surface mounting has fixing bolt, surface mounting has the end cover on the installation casing, installation casing internally mounted has self recovery fuse and switching power supply body.
Further, a plurality of wire preformed holes are formed in the surface of the mounting shell, a plurality of threaded holes are formed in the upper surface of the mounting shell, and a sealing ring is arranged between the upper surface of the mounting shell and the lower surface of the end cover.
Further, the drying boxes are installed on two opposite surfaces inside the installation shell, the fans are installed on the other two opposite surfaces inside the installation shell, the installation frame is installed on the bottom surface inside the installation shell, and the wind direction of the fans is matched with the surface of the installation frame.
Further, installing frame internally mounted has self-resuming fuse and switching power supply body, install the silica gel pad between self-resuming fuse and switching power supply body week side and the inside week side of installing frame.
Further, a plurality of screw holes are also arranged on the periphery of the upper surface of the end cover, fixing bolts are arranged in the screw holes, the end cover is fixed with the installation shell through the fixing bolts, an observation window is embedded in the upper surface of the end cover, grids are arranged at two ends of the observation window, and a dust screen is bonded on the lower surface of each grid.
The utility model discloses an embodiment has following advantage:
1. the utility model discloses a dust screen structure avoids a large amount of accumulations of dust, guarantees switching power supply's behavior.
2. The utility model discloses a fan structure avoids the heat accumulation that switching power supply produced to be in the same place, in time to the switching power supply heat dissipation, avoids its internal circuit to burn out.
3. The utility model discloses a dry box structure, the liquid drop of avoiding installing the inside high humidity of casing and condensing causes the damage to the self-resuming fuse, improve equipment's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a switching power supply protection device based on inverse time-lag overload protection according to an embodiment of the present invention;
fig. 2 is a schematic top view of a switching power supply protection device based on inverse time-lag overload protection according to an embodiment of the present invention;
fig. 3 is a left side view structural diagram of a switching power supply protection device based on inverse time-lag overload protection according to an embodiment of the present invention;
fig. 4 is an internal structural schematic diagram of a switching power supply protection device based on inverse time-lag overload protection according to an embodiment of the present invention.
In the figure: 1. installing a shell; 2. an end cap; 3. an extension plate; 4. a threaded hole; 5. fixing the bolt; 6. an observation window; 7. a grid; 8. a dust screen; 9. a wire preformed hole; 10. a seal ring; 11. a fan; 12. drying the box; 13. installing a frame; 14. a silica gel pad; 15. a self-recovery fuse; 16. a switching power supply body.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
As shown in fig. 1-4, the utility model provides a switching power supply protection device based on inverse time limit overload protection, including installation casing 1, end cover 2, extension board 3, self-resuming fuse 15 and switching power supply body 16, installation casing 1 is the cavity structure, and surface welding has a plurality of extension boards 3 under installation casing 1, and 3 surface mounting of extension board have fixing bolt 5, and surface mounting has end cover 2 on installation casing 1, and installation casing 1 internally mounted has self-resuming fuse 15 and switching power supply body 16.
A plurality of wire preformed holes 9 are formed in the surface of the mounting shell 1, a plurality of threaded holes 4 are formed in the upper surface of the mounting shell 1, and a sealing ring 10 is mounted between the upper surface of the mounting shell 1 and the lower surface of the end cover 2 to guarantee certain sealing performance.
The fan 11 is provided for the purpose of: switching power supply produces the heat easily under the condition of work, and the heat of current switching power supply body 16 gathers together easily to make switching power supply internal circuit burn out, set up the device specially and avoid the heat that switching power supply produced to gather together, in time to the switching power supply heat dissipation, avoid its internal circuit to burn out, for the above-mentioned effect of better explanation, to this concrete affair as follows:
The installation frame 13 internally mounted has self recovery fuse 15 and switching power supply body 16, installs silica gel pad 14 between self recovery fuse 15 and switching power supply body 16 week side and the inside week side of installation frame 13, and protection self recovery fuse 15 and switching power supply body 16 cause the damage because of equipment rocks.
The dust screen 8 is arranged to function as: the existing switching power supply mostly has no good protective measures, so that the switching power supply body 16 is contacted with a lot of dust, the working condition of the switching power supply body 16 can be influenced by a lot of accumulated dust, the device is specially arranged to avoid a lot of accumulation of dust, the working condition of the switching power supply is ensured, and for better explaining the above effects, the specific matters are as follows:
the side of the upper surface of the end cover 2 is also provided with a plurality of threaded holes 4, the threaded holes 4 are internally provided with fixing bolts 5, the end cover 2 is fixed with the mounting shell 1 through the fixing bolts 5, the mounting and the dismounting at the later stage are facilitated, the observation window 6 is embedded on the upper surface of the end cover 2, two ends of the observation window 6 are provided with grids 7, the lower surface of each grid 7 is bonded with a dust screen 8, and dust is prevented from entering in the ventilation process.
As shown in fig. 1-4, the utility model provides a switching power supply protection device based on inverse time limit overload protection, its method of use is: through dry box 12, avoid installing the inside high liquid drop that condenses of humidity of casing and cause the damage to self-resuming fuse 15, avoid the heat accumulation that switching power supply produced to be in the same place through fan 11, in time dispel the heat to switching power supply, avoid its inside circuit to burn out, avoid piling up in a large number of dusts through dust screen 8, guarantee switching power supply's behavior.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a switching power supply protection device based on inverse time limit overload protection, is including installation casing (1), end cover (2), extension board (3), self recovery fuse (15) and switching power supply body (16), its characterized in that, installation casing (1) is the cavity structure, the surface welding has a plurality of extension boards (3) under installation casing (1), an extension board (3) surface mounting has fixing bolt (5), surface mounting has end cover (2) on installation casing (1), installation casing (1) internally mounted has self recovery fuse (15) and switching power supply body (16).
2. The switching power supply protection device based on inverse time limit overload protection is characterized in that a plurality of wire preformed holes (9) are formed in one surface of the mounting shell (1), a plurality of threaded holes (4) are formed in the upper surface of the mounting shell (1), and a sealing ring (10) is installed between the upper surface of the mounting shell (1) and the lower surface of the end cover (2).
3. The switching power supply protection device based on inverse time limit overload protection is characterized in that drying boxes (12) are mounted on two opposite surfaces inside the installation shell (1), fans (11) are mounted on the other two opposite surfaces inside the installation shell (1), an installation frame (13) is mounted on the bottom surface inside the installation shell (1), and the wind direction of each fan (11) is matched with one surface of the installation frame (13).
4. The switching power supply protection device based on inverse time-lag overload protection according to claim 3, wherein a self-recovery fuse (15) and a switching power supply body (16) are installed inside the installation frame (13), and a silica gel pad (14) is installed between the peripheral side surfaces of the self-recovery fuse (15) and the switching power supply body (16) and the peripheral side surface inside the installation frame (13).
5. The switching power supply protection device based on inverse time limit overload protection according to claim 1, wherein a plurality of threaded holes (4) are also arranged on the periphery of the upper surface of the end cover (2), fixing bolts (5) are installed inside the threaded holes (4), the end cover (2) is fixed with the installation shell (1) through the fixing bolts (5), an observation window (6) is embedded on the upper surface of the end cover (2), grids (7) are arranged at two ends of the observation window (6), and a dustproof net (8) is bonded on the lower surface of each grid (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134830.9U CN214626772U (en) | 2021-01-19 | 2021-01-19 | Switching power supply protection device based on inverse time limit overload protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134830.9U CN214626772U (en) | 2021-01-19 | 2021-01-19 | Switching power supply protection device based on inverse time limit overload protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214626772U true CN214626772U (en) | 2021-11-05 |
Family
ID=78437184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120134830.9U Active CN214626772U (en) | 2021-01-19 | 2021-01-19 | Switching power supply protection device based on inverse time limit overload protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214626772U (en) |
-
2021
- 2021-01-19 CN CN202120134830.9U patent/CN214626772U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204696506U (en) | A kind of dust-proof damp proof electric power cabinet | |
| CN210091919U (en) | High temperature and high voltage resistant capacitor | |
| CN214626772U (en) | Switching power supply protection device based on inverse time limit overload protection | |
| CN218417134U (en) | Lithium battery control panel that radiating effect is good | |
| CN212845581U (en) | Charged display device with heat dissipation function | |
| CN209929989U (en) | Grid-connected booster station | |
| CN213152540U (en) | Multi-bus industrial field controller mounting box | |
| CN217307265U (en) | High-voltage reactive automatic compensation controller with high reliability | |
| CN209805116U (en) | Waterproof incoming line cabinet | |
| CN203491876U (en) | General frequency converter structure | |
| CN217134909U (en) | Low-voltage complete switch equipment with moisture-proof function | |
| CN219143918U (en) | Reactor shell structure | |
| CN215119733U (en) | New forms of energy bus air conditioner high voltage electric cabinet subassembly | |
| CN110829242A (en) | Heat dissipation rainproof type power distribution cabinet | |
| CN215069553U (en) | Transformer with dampproofing function | |
| CN218450985U (en) | Wind energy controller | |
| CN213278771U (en) | Good heat dissipation's switch board | |
| CN212412557U (en) | Heat dissipation device of power distribution cabinet | |
| CN212137087U (en) | Novel dustproof box-type substation | |
| CN216850946U (en) | Dustproof power box of heat dissipation for electric power engineering | |
| CN220628678U (en) | Three-phase mutual inductance cost control metal electric energy metering box | |
| CN215119574U (en) | Low-voltage distribution cabinet with internal protection device | |
| CN214754949U (en) | Novel distribution box | |
| CN213125309U (en) | High-voltage electrical system top cover | |
| CN219697072U (en) | High-voltage power compensation cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |