CN213959965U - Switching power supply adapter capable of quickly dissipating heat - Google Patents

Abstract

The utility model relates to a power adapter technical field discloses a can quick radiating switching power supply adapter, which comprises a housin, first end cover, the second end cover, direct current output line, AC power supply socket, switch button and radiator fan, preceding tip and the back tip of casing are located through screw detachable lid respectively to first end cover and second end cover, direct current output line sets up on first end cover, AC power supply socket and switch button are equallyd divide and do not set up on the second end cover, be equipped with a plurality of air outlets on the first end cover, radiator fan is located the inboard setting of air outlet, be equipped with a plurality of air intakes on the second end cover, be equipped with main control chip in the casing. The technical scheme of the utility model can effectively improve switching power supply adapter's heat dispersion, effectively avoid the temperature to rise the problem that influences switching power supply adapter's stability performance and life too fast, and small in size conveniently carries, and protection level is high, and the practicality is strong.

Description

Switching power supply adapter capable of quickly dissipating heat

Technical Field

The utility model relates to a power adapter technical field, in particular to switching power adapter that can dispel the heat fast.

Background

The switching power supply is a high-frequency power conversion device, which is a kind of power supply, and functions to convert a level voltage into a voltage or current required by a user terminal through different types of architectures. The input of the switching power supply is mostly an alternating current power supply (such as commercial power) or a direct current power supply, the output is mostly equipment needing the direct current power supply, such as a personal computer, the switching power supply performs voltage and current conversion between the switching power supply and the personal computer, the switching power supply adapter is power supply conversion equipment of small-sized portable electronic equipment and electronic appliances, the switching power supply adapter generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the switching power supply adapter is that the alternating current input is converted into the direct.

However, most of the existing switching power adapters have poor heat dissipation performance, so that the switching power adapters are used for a long time, the temperature rise is too fast, the performance stability and the service life of components in the shell are easily affected, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can quick radiating switching power supply adapter, aim at solving current switching power supply adapter heat dispersion ideal inadequately, lead to long-time the use, heat up too fast, influence the stability of performance and the technical problem of life of the components and parts in the casing easily.

In order to achieve the above purpose, the switching power adapter capable of dissipating heat rapidly provided by the utility model comprises a shell, a first end cap, a second end cap, a direct current output line, an alternating current power socket, a power switch button and a heat dissipating fan, the shell is arranged in a rectangular structure, the first end cover and the second end cover are detachably covered on the front end part and the rear end part of the shell respectively through screws, the direct current output line is arranged on the first end cover, the alternating current power socket and the power switch button are respectively arranged on the second end cover, the first end cover is provided with a plurality of air outlets, the heat radiation fan is arranged at the inner side of the air outlets, the second end cover is provided with a plurality of air inlets, the shell is internally provided with a main control chip, and the direct current output line, the alternating current power socket, the power switch button and the cooling fan are respectively and electrically connected with the main control chip.

Further, the main control chip adopts an M51995 chip.

Further, still include LED status indicator, LED status indicator set up in on the first end cover, just LED status indicator with main control chip electricity is connected.

Further, still include fuse and fuse seat, fuse seat detachable revolve in on the first end cover, the fuse inlays to be located the inboard setting of fuse seat, just the fuse with direct current output line series connection electricity is connected.

Further, the rated current of the fuse is 20A.

Furthermore, the shell, the first end cover and the second end cover are all made of aluminum magnesium alloy.

Furthermore, a plurality of heat dissipation grooves are respectively concavely arranged on two side walls of the shell.

Furthermore, four bottom corners of the lower end wall of the shell are respectively provided with an anti-slip silica gel pad.

Further, the protection class size of the shell is IP 20.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that the casing is arranged in a rectangular structure, a first end cover and a second end cover are respectively arranged at the front end part and the rear end part of the casing through a screw detachable cover, a direct current output line is arranged on the first end cover, an alternating current power socket and a power switch button are respectively arranged on the second end cover, a plurality of air outlets are arranged on the first end cover, a heat radiation fan is arranged at the inner side of the air outlets, a plurality of air inlets are arranged on the second end cover, a main control chip is arranged in the casing, and the direct current output line, the alternating current power socket, the power switch button and the heat radiation fan are respectively and electrically connected with the main control chip, thereby rapidly distributing redundant heat in the casing, effectively improving the heat radiation performance of the switch power adapter, effectively avoiding the problem that the performance stability and the service life of components in the casing are influenced by the too fast temperature rise in the casing, and the volume is small and exquisite, conveniently carries, and protection level is high, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a switching power adapter capable of dissipating heat quickly according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of another view angle of a switching power adapter capable of dissipating heat quickly according to an embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a switching power adapter capable of dissipating heat quickly according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a can quick radiating switching power supply adapter.

As shown in fig. 1 to 3, in an embodiment of the present invention, the switching power adapter capable of fast heat dissipation includes a casing 101, a first end cap 102, a second end cap 103, a dc output line 104, an ac power socket 105, a power switch button 106 and a heat dissipation fan 107, the casing 101 is rectangular in shape, the first end cap 102 and the second end cap 103 are respectively disposed on a front end portion and a rear end portion of the casing 101 through a screw-detachable cover, the dc output line 104 is disposed on the first end cap 102, the ac power socket 105 and the power switch button 106 are equally disposed on the second end cap 103, the first end cap 102 is provided with a plurality of air outlets 1021, the heat dissipation fan 107 is disposed on an inner side of the air outlets 1021, the second end cap 103 is provided with a plurality of air inlets 1031, a main control chip (not shown in the drawing) is disposed in the casing 101, A transformer (not shown) and a circuit board, wherein the dc output line 104, the ac power socket 105, the power switch button 106 and the heat dissipation fan 107 are electrically connected to the main control chip respectively.

Specifically, the main control chip adopts an M51995 chip, the M51995 chip is an off-line switching power supply primary control chip specially designed for AC/DC conversion, and a large-capacity totem-pole circuit is built in the chip and can directly drive the MOSFET. The M51995A chip not only has high-frequency oscillation and quick output capability, but also has a quick-response current limiting function. It is also characterized by that when it is over-current, it adopts intermittent mode to work.

Specifically, the portable terminal further comprises an LED status indicator 108, wherein the LED status indicator 108 is disposed on the first end cover 102, and the LED status indicator 108 is electrically connected to the main control chip.

Specifically, the fuse device further comprises a fuse (not shown) and a fuse holder 109, wherein the fuse holder 109 is detachably screwed on the first end cover 102, the fuse is embedded in the inner side of the fuse holder 109, and the fuse is electrically connected in series with the dc output line 104.

Specifically, the rated current of the fuse is 20A.

Specifically, the housing 101, the first end cap 102, and the second end cap 103 are all made of an aluminum magnesium alloy.

Specifically, a plurality of heat dissipation grooves 110 are respectively concavely formed on two side walls of the housing 101, so that the heat dissipation area is increased, and the heat dissipation performance of the housing is further improved.

Specifically, four bottom corners of the lower end wall of the housing 101 are respectively provided with an anti-slip silica gel pad 111.

Specifically, the protection class size of the housing 101 is IP 20.

Specifically, the utility model is characterized in that the casing is rectangular in shape, the first end cover and the second end cover are respectively arranged at the front end part and the rear end part of the casing through the detachable screw covers, the direct current output line is arranged on the first end cover, the alternating current power socket and the power switch button are respectively arranged on the second end cover, the first end cover is provided with a plurality of air outlets, the heat dissipation fan is arranged at the inner side of the air outlets, the second end cover is provided with a plurality of air inlets, the main control chip is arranged in the casing, and the direct current output line, the alternating current power socket, the power switch button and the heat dissipation fan are respectively and electrically connected with the main control chip, thereby rapidly dissipating redundant heat in the casing, effectively improving the heat dissipation performance of the switching power adapter, and effectively avoiding the problem that the temperature in the casing is raised too fast to affect the performance stability and the service life of components in the casing, and the volume is small and exquisite, conveniently carries, and protection level is high, and the practicality is strong.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (9)

1. A switching power adapter capable of dissipating heat quickly is characterized by comprising a shell, a first end cover, a second end cover, a direct current output line, an alternating current power socket, a power switch button and a heat dissipation fan, the shell is arranged in a rectangular structure, the first end cover and the second end cover are detachably covered on the front end part and the rear end part of the shell respectively through screws, the direct current output line is arranged on the first end cover, the alternating current power socket and the power switch button are respectively arranged on the second end cover, the first end cover is provided with a plurality of air outlets, the heat radiation fan is arranged at the inner side of the air outlets, the second end cover is provided with a plurality of air inlets, the shell is internally provided with a main control chip, and the direct current output line, the alternating current power socket, the power switch button and the cooling fan are respectively and electrically connected with the main control chip.

2. The switching power adapter capable of dissipating heat rapidly according to claim 1, wherein the main control chip is an M51995 chip.

3. The switching power adapter capable of dissipating heat rapidly as claimed in claim 1, further comprising an LED status indicator lamp disposed on the first end cap, wherein the LED status indicator lamp is electrically connected to the main control chip.

4. The switching power adapter capable of dissipating heat rapidly as claimed in claim 1, further comprising a fuse and a fuse holder, wherein the fuse holder is detachably screwed on the first end cap, the fuse is embedded in the inner side of the fuse holder, and the fuse is electrically connected in series with the dc output line.

5. The adapter as claimed in claim 4, wherein the fuse has a rated current of 20A.

6. The adapter for switching power supply capable of dissipating heat rapidly as claimed in claim 1, wherein the housing, the first end cap and the second end cap are all made of aluminum magnesium alloy.

7. The switching power adapter capable of dissipating heat rapidly as claimed in claim 1, wherein a plurality of heat dissipating grooves are respectively recessed in two side walls of the housing.

8. The switching power adapter capable of dissipating heat rapidly as claimed in claim 1, wherein an anti-slip silicone pad is disposed at each of four bottom corners of the lower end wall of the casing.

9. The fast heat dissipating switching power adapter as claimed in claim 1, wherein the protection class size of the housing is IP 20.

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