CN212572357U - Digital synchronous rectification switching power supply - Google Patents
Digital synchronous rectification switching power supply Download PDFInfo
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- CN212572357U CN212572357U CN202020760570.1U CN202020760570U CN212572357U CN 212572357 U CN212572357 U CN 212572357U CN 202020760570 U CN202020760570 U CN 202020760570U CN 212572357 U CN212572357 U CN 212572357U
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- synchronous rectification
- box body
- insulating frame
- digital synchronous
- power supply
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Abstract
The utility model discloses a digital synchronous rectification switch power supply, which comprises a box body, an insulating frame, a lithium battery, a digital synchronous rectification circuit board, a heat radiation component, a dust guard and two cover plates, wherein the box body is provided with a plurality of air inlets and a plurality of heat radiation ports, the lithium battery drives the radiators to work, air is fed from the air inlet to radiate the inside of the box body, and takes away the heat generated by the components in the insulating frame and dissipated by the heat dissipation plate, and flows out from the heat dissipation port, and the cover plate is utilized to ensure that the box body is away from the working platform, and the rainwater and the like are isolated from entering the box body, and the falling of the switching power supply can be slowed down, damage to the box body, and the combination of the digital synchronous rectifier circuit board, power efficiency is improved, and service life is prolonged.
Description
Technical Field
The utility model relates to a switching power supply technical field especially relates to a digital synchronous rectification switching power supply.
Background
With the rapid development of power electronic technology, the relationship between power electronic equipment and the work and life of people is increasingly close, and the electronic equipment can not be separated from a reliable lithium battery, so that the switching power supply technology is continuously innovated along with the development and innovation of the power electronic technology, the switching power supply is a lithium battery for controlling the time ratio of the on and off of a switching tube and maintaining stable output voltage, but when the switching power supply is used at present, the use of the switching power supply is influenced and the service life is reduced due to heat dissipation or water entering the switching power supply.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a synchronous rectification switching power supply of digit, increase of service life.
In order to achieve the above object, the present invention provides a digital synchronous rectification switching power supply, which comprises a box body, an insulating frame, a lithium battery, a digital synchronous rectification circuit board, a heat dissipation assembly, a dust guard and two cover plates, wherein the box body is provided with a plurality of air inlets and a plurality of heat dissipation ports, the plurality of air inlets penetrate through the box body and are respectively arrayed at two sides of the insulating frame, the plurality of heat dissipation ports penetrate through the box body and are oppositely arranged with respect to the air inlets, the insulating frame is detachably connected with the box body and is positioned in the box body, the lithium battery is detachably connected with the insulating frame and is positioned in the insulating frame, the digital synchronous rectification circuit board is electrically connected with the lithium battery and is detachably connected with the insulating frame and is positioned between the lithium battery and the insulating frame, radiator unit includes a plurality of fans and two heating panels, and is a plurality of the fan all includes a plurality of fan support and radiator, and is a plurality of fan support with the connection can be dismantled to the box to be located near air intake one side, the radiator with a plurality of fan support fixed connection is located keep away from air intake one side, two the heating panel with insulating frame fixed connection, and be located and be close to fan one side, the dust guard with insulating frame fixed connection, and be located the heating panel with between the lithium cell, two the apron with the connection can be dismantled to the box, and be located respectively and be close to the air intake with be close to thermovent one side.
The cover plate comprises a plurality of brackets, and the brackets are fixedly connected with the box body and positioned between the cover plate and the box body.
The cover plate is provided with a plurality of flow guide grooves, and the flow guide grooves face one side of the box body.
The digital synchronous rectification switching power supply further comprises a fuse box, wherein the fuse box is electrically connected with the lithium battery and is positioned in the insulating frame.
The digital synchronous rectification switch power supply further comprises an indicator light, wherein the indicator light is electrically connected with the fuse box, fixedly connected with the box body and positioned on one side far away from the fuse box.
The digital synchronous rectification switching power supply also comprises a digital synchronous rectification circuit, and the digital synchronous rectification circuit is connected with the lithium battery and carried on the digital synchronous rectification circuit board.
The utility model discloses a synchronous rectifier switching power supply of digit, synchronous rectifier switching power supply of digit includes box, insulating frame, lithium cell, the synchronous rectifier circuit board of digit, radiator unit, dust guard and two apron, the box has a plurality of air intakes and a plurality of thermovents, and is a plurality of through lithium battery drive radiator work, follows the air intake air is right the box is inside dispels the heat, and takes away the heating panel effluvium the heat that part among the insulating frame produced, follows flow in the thermovent, and utilize the apron makes there is the distance between box and the work platform to inside keeping apart entering box such as rainwater, just can also slow down when switching power supply falls, it is right the damage of box, and combine the synchronous rectifier circuit board of digit improves power efficiency, increase of service 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 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 a digital synchronous rectification switching power supply provided by the present invention.
Fig. 2 is a schematic structural diagram of the present invention without a cover plate and a box body.
The device comprises a box body 1, an insulating frame 2, a lithium battery 3, a digital synchronous rectification circuit board 4, a heat dissipation assembly 5, a dustproof plate 6, a cover plate 7, an air inlet 8, a heat dissipation port 9, a fan 10, a heat dissipation plate 11, a fan bracket 12, a heat sink 13, a bracket 14, a flow guide groove 15, a fuse box 16 and an indicator light 17.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of 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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the present invention provides a digital synchronous rectification switching power supply, which includes a box body 1, an insulating frame 2, a lithium battery 3, a digital synchronous rectification circuit board 4, a heat dissipation assembly 5, a dust guard 6 and two cover plates 7, wherein the box body 1 has a plurality of air inlets 8 and a plurality of heat dissipation ports 9, the plurality of air inlets 8 penetrate through the box body 1 and are respectively arrayed at two sides of the insulating frame 2, the plurality of heat dissipation ports 9 penetrate through the box body 1 and are disposed opposite to the air inlets 8, the insulating frame 2 is detachably connected to the box body 1 and is located in the box body 1, the lithium battery 3 is detachably connected to the insulating frame 2 and is located in the insulating frame 2, the digital synchronous rectification circuit board 4 is electrically connected to the lithium battery 3 and is detachably connected to the insulating frame 2, and be located lithium cell 3 with between insulating frame 2, radiator unit 5 includes a plurality of fans 10 and two heating panels 11, and is a plurality of fan 10 all includes a plurality of fan support 12 and radiator 13, and is a plurality of fan support 12 with box 1 can dismantle the connection to be located near air intake 8 one side, radiator 13 is with a plurality of fan support 12 fixed connection, and be located keep away from air intake 8 one side, two heating panel 11 with insulating frame 2 fixed connection, and be located near fan 10 one side, dust guard 6 with insulating frame 2 fixed connection, and be located heating panel 11 with between the lithium cell 3, two apron 7 with box 1 can dismantle the connection, and be located respectively near air intake 8 with be close to thermovent 9 one side.
In this embodiment, the insulating frame 2 and the box body 1 are fixed in the box body 1 by gluing or screws, and the insulating frame 2 may be a thermoplastic layer of insulating material outside the fixing plate to insulate the same; then, the lithium battery 3 and the digital synchronous rectification circuit board 4 are limited in the insulating frame 2, as shown in fig. 2, and other electric devices, such as a DC/DC converter, are also placed in the insulating frame 2, so as to avoid electric leakage and harm, the box 1 is provided with a plurality of air inlets 8 and a plurality of heat dissipation ports 9, the plurality of air inlets 8 are in two rows and are arrayed on both sides of the insulating frame 2, the plurality of heat dissipation ports 9 are arranged opposite to the air inlets 8, so as to facilitate air convection and heat dissipation, then the plurality of fan brackets 12 are connected beside the air inlets 8, the heat sink 13 is fixedly connected to the fan brackets 12, after the switching power supply is connected to an external power supply and a load, the lithium battery 3 is charged, and then the heat sink 13 is communicated with the lithium battery 3, and the heat dissipating plates 11 are disposed on two sides of the insulating frame 2 close to the heat sink 13, the heat dissipating plates 11 are used to take out the heat generated by the operation of the electric devices in the insulating frame 2, then the rotation of the fan 10 is used to substitute the external air from the air inlet 8 to dissipate the heat inside the box 1, at the same time, the rotation of the heat sink 13 is used to dissipate the heat taken out by the heat dissipating plates 11 from the heat dissipating ports 9 to form a simple air convection channel, and even if the heat sink 13 does not rotate, the heat dissipating ports 9 of the air inlet 8 symmetrically formed can be used to dissipate the heat by the flow of air, and the dust-proof plate 6 is disposed on one side of the heat dissipating plates 11 close to the lithium battery 3 to prevent the dust substituted by the flow of air from entering the insulating frame 2, thereby avoiding the short circuit of the electric devices due to the dust, reduce life, and air intake 8 with thermovent 9 place the both sides of box 1 are connected with one respectively apron 7, apron 7 with there is certain distance between the box 1, make there is certain distance between box 1 and the working face, avoid following because of the water stain on the working face air intake 8 gets into in the box 1, combine simultaneously thermovent 9 department apron 7 prevents that rainwater etc. from following thermovent 9 gets into in the box 1, avoid switching power supply takes place the short circuit or the electric leakage condition because of water, guarantees life.
Further, the cover plate 7 comprises a plurality of brackets 14, and the plurality of brackets 14 are fixedly connected with the box body 1 and are positioned between the cover plate 7 and the box body 1.
In this embodiment, the support 14 is respectively arranged around the cover plate 7, and is clamped with the four corner edges of the box body 1, and the distance between the cover plate 7 and the box body 1 can be limited by the clamping distance between the support 14 and the box body 1, so as to adjust the volume of the switching power supply, but the cover plate 7 cannot be completely contacted with the box body 1, so that air inflow and heat dissipation air circulation is always kept, and normal heat dissipation is ensured.
Further, the cover plate 7 has a plurality of guiding grooves 15, and the plurality of guiding grooves 15 face one side of the box body 1.
In the present embodiment, the cover plate 7 is provided with a plurality of diversion trenches 15 on a side facing the box body 1, and the diversion trenches 15 are used to disperse air and circulate the air according to the shapes of the diversion trenches 15, thereby preventing the occurrence of unsmooth air circulation and affecting heat dissipation.
Further, the digital synchronous rectification switching power supply further comprises a fuse box 16, wherein the fuse box 16 is electrically connected with the lithium battery 3 and is positioned in the insulating frame 2.
In this embodiment, a fuse box 16 is connected beside the lithium battery 3, and is used to ensure that the fuse box 16 can trip rapidly when the circuit abnormality occurs in the switching power supply, so as to ensure the safety of the circuit in the switching power supply, avoid the circuit fire caused by the circuit abnormality, and prolong the service life.
Further, the digital synchronous rectification switching power supply further comprises an indicator light 17, wherein the indicator light 17 is electrically connected with the fuse box 16, is fixedly connected with the box body 1, and is positioned on one side far away from the fuse box 16.
In this embodiment, an indicator light 17 is disposed at one end of the box body 1 connected to a load, and is used for displaying the working condition of the fuse box 16, when the fuse box 16 is not tripped, the indicator light 17 is green, and when the fuse box 16 is tripped, the indicator light 17 is red, so that a user can conveniently judge the working condition of the switching power supply.
Further, the digital synchronous rectification switching power supply further comprises a digital synchronous rectification circuit, and the digital synchronous rectification circuit is connected with the lithium battery 3 and carried on the digital synchronous rectification circuit board 4.
In the present embodiment, the digital synchronous rectification circuit board 4 is mounted with the digital synchronous rectification circuit, and performs synchronous rectification on the current in the switching power supply, thereby reducing the rectification loss of the switching power supply, improving the power supply efficiency of the switching power supply, and prolonging the service life.
The utility model discloses a digital synchronous rectification switching power supply, digital synchronous rectification switching power supply includes box 1, insulating frame 2, lithium cell 3, digital synchronous rectification circuit board 4, radiator unit 5, dust guard 6 and two apron 7, box 1 has a plurality of air intakes 8 and a plurality of thermovents 9, drives a plurality of radiators 13 through lithium cell 3 and works, the air from air intake 8 dispels the heat to the box 1 inside, and takes away the heat that parts in insulating frame 2 that radiating plate 11 dispels out, flows out from thermovents 9, and utilizes apron 7 to make the distance between box 1 and the work platform exist, and keep apart rainwater etc. and get into box 1 inside, and can also slow down when switching power supply falls, to the damage of box 1, and combine digital synchronous rectification circuit board 4 to improve power efficiency, the service life is prolonged.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A digital synchronous rectification switch power supply is characterized by comprising a box body, an insulating frame, a lithium battery, a digital synchronous rectification circuit board, a heat dissipation assembly, a dust guard and two cover plates, wherein the box body is provided with a plurality of air inlets and a plurality of heat dissipation ports, the air inlets penetrate through the box body and are respectively arrayed on two sides of the insulating frame, the heat dissipation ports penetrate through the box body and are oppositely arranged with the air inlets, the insulating frame is detachably connected with the box body and is positioned in the box body, the lithium battery is detachably connected with the insulating frame and is positioned in the insulating frame, the digital synchronous rectification circuit board is electrically connected with the lithium battery and is detachably connected with the insulating frame and is positioned between the lithium battery and the insulating frame, the heat dissipation assembly comprises a plurality of fans and two heat dissipation plates, it is a plurality of the fan all includes a plurality of fan bracket and radiator, and is a plurality of fan bracket with the connection can be dismantled to the box, and be located and be close to air intake one side, the radiator is with a plurality of fan bracket fixed connection, and be located keep away from air intake one side, two the heating panel with insulating frame fixed connection, and be located and be close to fan one side, the dust guard with insulating frame fixed connection, and be located the heating panel with between the lithium cell, two the apron with the connection can be dismantled to the box, and be located respectively and be close to the air intake with be close to thermovent one side.
2. A digital synchronous rectification switching power supply as claimed in claim 1 wherein said cover includes a plurality of legs, a plurality of said legs being fixedly connected to said case and being located between said cover and said case.
3. The digital synchronous rectification switching power supply according to claim 1, wherein the cover plate has a plurality of guide grooves, and the plurality of guide grooves face one side of the case.
4. The digital synchronous rectification switching power supply according to claim 3, further comprising a fuse box electrically connected to the lithium battery and located in the insulating frame.
5. The digitally synchronous rectified switching power supply of claim 4 further comprising an indicator light electrically connected to said fuse block and fixedly attached to said housing and located on a side remote from said fuse block.
6. The digital synchronous rectification switching power supply according to claim 1, further comprising a digital synchronous rectification circuit, wherein the digital synchronous rectification circuit is connected to the lithium battery and mounted on the digital synchronous rectification circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760570.1U CN212572357U (en) | 2020-05-11 | 2020-05-11 | Digital synchronous rectification switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760570.1U CN212572357U (en) | 2020-05-11 | 2020-05-11 | Digital synchronous rectification switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212572357U true CN212572357U (en) | 2021-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020760570.1U Active CN212572357U (en) | 2020-05-11 | 2020-05-11 | Digital synchronous rectification switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212572357U (en) |
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2020
- 2020-05-11 CN CN202020760570.1U patent/CN212572357U/en active Active
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