CN210444159U - Quasi-resonance flyback converter and grid-connected inverter - Google Patents
Quasi-resonance flyback converter and grid-connected inverter Download PDFInfo
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- CN210444159U CN210444159U CN201921710888.2U CN201921710888U CN210444159U CN 210444159 U CN210444159 U CN 210444159U CN 201921710888 U CN201921710888 U CN 201921710888U CN 210444159 U CN210444159 U CN 210444159U
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- heat dissipation
- grid
- heat
- connected inverter
- circuit board
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Abstract
The utility model discloses a quasi-resonance flyback converter and grid-connected inverter, including converter and grid-connected inverter circuit board and heat dissipation mechanism, the upper end and the lower extreme of heat dissipation mechanism of converter and grid-connected inverter circuit board are connected, the bottom of converter and grid-connected inverter circuit board is provided with PCB electronic circuit board, PCB electronic circuit board's last surface mounting has the outside of electron electrical components heat dissipation mechanism to be provided with the heat dissipation shell, the edge and the outer fringe bolted connection of converter and grid-connected inverter circuit board of heat dissipation shell, the upper end fixedly connected with fan mounting bracket of heat dissipation shell, fixed mounting has the ball fan on the fan mounting bracket, and the below of fan mounting bracket and the inner wall fixedly connected with heat conduction mechanism that is located the. The quasi-resonance flyback converter and the grid-connected inverter can radiate heat to the resonance flyback converter and the grid-connected inverter through the radiating mechanism, so that the temperature of the quasi-resonance flyback converter and the grid-connected inverter is reduced, and the working stability is improved.
Description
Technical Field
The utility model relates to an inverter control technical field specifically is a quasi-resonance flyback converter and grid-connected inverter.
Background
The quasi-resonant flyback converter and the grid-connected inverter can generate more heat during working, so that the normal work of the quasi-resonant flyback converter and the grid-connected inverter is influenced, the service life of the quasi-resonant flyback converter is shortened, and particularly, the main control position on a PCB where the quasi-resonant flyback converter and the grid-connected inverter exist is a heat concentration area.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quasi-resonance flyback converter and grid-connected inverter have reached and have aimed at resonance flyback converter and grid-connected inverter and dispel the heat, reduce its temperature, improve its job stabilization's effect.
In order to achieve the above object, the utility model provides a following technical scheme: the quasi-resonance flyback converter and the grid-connected inverter comprise a converter, a grid-connected inverter circuit board and a heat dissipation mechanism, wherein the upper ends of the converter and the grid-connected inverter circuit board are connected with the lower end of the heat dissipation mechanism.
The converter and grid-connected inverter circuit board comprises PCB electronic circuit board and electronic electric component, the bottom of converter and grid-connected inverter circuit board is provided with PCB electronic circuit board, the upper surface of PCB electronic circuit board installs electronic electric component.
The heat dissipation mechanism comprises heat dissipation shell, fan mounting bracket, ball fan and heat conduction mechanism, heat dissipation mechanism's outside is provided with the heat dissipation shell, the edge of heat dissipation shell and the outer fringe bolted connection of converter and grid-connected inverter circuit board, the upper end fixedly connected with fan mounting bracket of heat dissipation shell, fixed mounting has the ball fan on the fan mounting bracket, just the below of fan mounting bracket just is located the inner wall fixedly connected with heat conduction mechanism of heat dissipation shell.
Preferably, heat conduction mechanism includes mechanism mounting bracket, heat conduction dish, heat conduction copper pipe, heat radiation fins and heat dissipation post, the inner wall fixedly connected with mechanism mounting bracket of heat dissipation shell, the last contact of electron electrical component has the heat conduction dish, be connected with the heat conduction copper pipe on the heat conduction dish, the one end fixedly connected with heat radiation fins of heat conduction dish is kept away from to the heat conduction copper pipe, heat radiation fins's both ends fixed mounting is on mechanism mounting bracket, just heat radiation fins's the equal fixedly connected with heat dissipation post in fin two sides.
Preferably, the bottom surface of the heat conducting plate is flat, and heat conducting silicone grease is coated between the heat conducting plate and the upper surface of the electronic and electric element.
Preferably, the outer surface of the heat conducting copper pipe is subjected to nickel plating treatment.
Preferably, the side surface of the heat dissipation shell is provided with a ventilation opening, the blowing direction of the ball fan is from bottom to top, and the airflow heat dissipation direction of the heat dissipation mechanism is from the ventilation opening of the heat dissipation shell to the heat dissipation fins, then to the ball fan, and finally to the outside.
Compared with the prior art, the beneficial effects of the utility model are that:
the quasi-resonant flyback converter and the grid-connected inverter achieve the effect of efficiently radiating the quasi-resonant flyback converter and the grid-connected inverter by arranging the radiating mechanism. The quasi-resonant flyback converter and the grid-connected inverter can generate more heat during working, so that the normal work of the quasi-resonant flyback converter and the grid-connected inverter is influenced, the service life of the quasi-resonant flyback converter is shortened, and particularly, the main control position on a PCB where the quasi-resonant flyback converter and the grid-connected inverter exist is a heat concentration area. And this heat dissipation mechanism mainly dispels the heat to the master control position, through heat conduction dish with heat conduction to heat conduction copper pipe on, it scribbles heat conduction silicone grease to scribble between heat conduction dish and the master control upper surface, can increase the effective heat conduction area between heat conduction dish and the master control upper surface, avoid the poor problem of heat conduction that the uneven arouses of heat conduction dish lower surface, heat conduction copper pipe gives heat radiation fins and heat dissipation post with heat transfer, later flow through ball fan with higher speed air current, take away the heat rapidly, and the heat dissipation post has increased the area of contact of heat radiation fins and air current, the radiating effect is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the heat dissipation fins of the present invention;
fig. 3 is the schematic diagram of the structure of the converter and the grid-connected inverter circuit board of the present invention.
In the figure: the heat dissipation structure comprises a converter and grid-connected inverter circuit board 1, a PCB (printed circuit board) 101, an electronic and electrical component 102, a heat dissipation mechanism 2, a heat dissipation shell 201, a fan mounting rack 202, a ball fan 203, a heat conduction mechanism 204, a mechanism mounting rack 2041, a 2042 heat conduction plate, a 2043 heat conduction copper pipe, a 2044 heat dissipation fin and a 2045 heat dissipation column.
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 a technical solution: a quasi-resonance flyback converter and a grid-connected inverter comprise a converter and grid-connected inverter circuit board 1 and a heat dissipation mechanism 2, wherein the upper end of the converter and grid-connected inverter circuit board 1 is connected with the lower end of the heat dissipation mechanism 2.
The converter and grid-connected inverter circuit board 1 is composed of a PCB electronic circuit board 101 and electronic and electric elements 102, the PCB electronic circuit board 101 is arranged at the bottom end of the converter and grid-connected inverter circuit board 1, and the electronic and electric elements 102 are arranged on the upper surface of the PCB electronic circuit board 101.
The heat dissipation mechanism 2 comprises a heat dissipation shell 201, a fan mounting rack 202, a ball fan 203 and a heat conduction mechanism 204, the heat dissipation shell 201 is arranged outside the heat dissipation mechanism 2, the edge of the heat dissipation shell 201 is connected with the outer edge of the converter and grid-connected inverter circuit board 1 through bolts, the upper end of the heat dissipation shell 201 is fixedly connected with the fan mounting rack 202, the ball fan 203 is fixedly mounted on the fan mounting rack 202, the heat conduction mechanism 204 is fixedly connected with the inner wall of the heat dissipation shell 201 below the fan mounting rack 202, the heat conduction mechanism 204 comprises a mechanism mounting rack 2041, a heat conduction plate 2042, a heat conduction copper pipe 2043, heat dissipation fins 2044 and heat dissipation columns 2045, the mechanism mounting rack 2041 is fixedly connected with the inner wall of the heat dissipation shell 201, the heat conduction plate 2042 is contacted with the electronic and electric element 102, the electronic and electric element 102 is mainly a main control, the bottom surface of the heat conducting disc 2042 is flat, and heat conducting silicone grease is coated between the bottom surface of the heat conducting disc 2042 and the upper surface of the electronic and electrical component 102, the effective heat conducting area between the heat conducting disc 2042 and the upper surface of the main control can be increased by the heat conducting silicone grease, and the problem of poor heat conducting caused by uneven lower surface of the heat conducting disc 2042 is avoided, the heat conducting disc 2042 is connected with a heat conducting copper pipe 2043, the outer surface of the heat conducting copper pipe 2043 is subjected to nickel plating treatment, the nickel plating treatment is rust-proof treatment, the service life of the heat conducting copper pipe can be prolonged, the heat conducting copper pipe can maintain good heat conducting performance for a long time, one end of the heat conducting copper pipe 2043, far away from the heat conducting disc 2042, is fixedly connected with a heat radiating fin 2044, two ends of the heat radiating fin 2044 are fixedly installed on a mechanism installation rack 2041, two sides of a fin of the, the blowing direction of the ball fan 203 is from bottom to top, and the airflow heat dissipation direction of the heat dissipation mechanism 2 is from the ventilation opening of the heat dissipation housing 101 to the heat dissipation fins 2044, then to the ball fan 203, and finally to the outside.
The quasi-resonant flyback converter and the grid-connected inverter can generate more heat during working, so that the normal work of the quasi-resonant flyback converter and the grid-connected inverter is influenced, the service life of the quasi-resonant flyback converter is shortened, and particularly, the main control position on a PCB where the quasi-resonant flyback converter and the grid-connected inverter exist is a heat concentration area. The heat dissipation mechanism mainly dissipates heat to the main control position, conducts heat to the heat conduction copper pipe 2043 through the heat conduction disc 2042, and coats heat conduction silicone grease between the heat conduction disc 2042 and the main control upper surface, so that the effective heat conduction area between the heat conduction disc 2042 and the main control upper surface can be increased, and the problem of poor heat conduction caused by uneven lower surface of the heat conduction disc 2042 is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a quasi-resonance flyback converter and grid-connected inverter, includes converter and grid-connected inverter circuit board (1) and heat dissipation mechanism (2), its characterized in that: the upper ends of the converter and grid-connected inverter circuit board (1) are connected with the lower end of the heat dissipation mechanism (2);
the converter and grid-connected inverter circuit board (1) is composed of a PCB electronic circuit board (101) and electronic and electric elements (102), the PCB electronic circuit board (101) is arranged at the bottom end of the converter and grid-connected inverter circuit board (1), and the electronic and electric elements (102) are mounted on the upper surface of the PCB electronic circuit board (101);
heat dissipation mechanism (2) comprises heat dissipation shell (201), fan mounting bracket (202), ball fan (203) and heat conduction mechanism (204), the outside of heat dissipation mechanism (2) is provided with heat dissipation shell (201), the edge of heat dissipation shell (201) and the outer fringe bolted connection of converter and grid-connected inverter circuit board (1), the upper end fixedly connected with fan mounting bracket (202) of heat dissipation shell (201), fixed mounting has ball fan (203) on fan mounting bracket (202), just the below of fan mounting bracket (202) and the inner wall fixedly connected with heat conduction mechanism (204) that are located heat dissipation shell (201).
2. The quasi-resonant flyback converter and grid-connected inverter of claim 1, wherein: heat conduction mechanism (204) include mechanism mounting bracket (2041), heat conduction dish (2042), heat conduction copper pipe (2043), heat dissipation fin (2044) and heat dissipation post (2045), the inner wall fixedly connected with mechanism mounting bracket (2041) of heat dissipation shell (201), the contact has heat conduction dish (2042) on electron electrical component (102), be connected with heat conduction copper pipe (2043) on heat conduction dish (2042), the one end fixedly connected with heat dissipation fin (2044) of heat conduction dish (2042) are kept away from in heat conduction copper pipe (2043), the both ends fixed mounting of heat dissipation fin (2044) is on mechanism mounting bracket (2041), just the equal fixedly connected with heat dissipation post (2045) in fin both sides of heat dissipation fin (2044).
3. The quasi-resonant flyback converter and grid-connected inverter of claim 2, wherein: the bottom surface of the heat conducting disc (2042) is flat, and heat conducting silicone grease is coated between the heat conducting disc and the upper surface of the electronic and electric element (102).
4. The quasi-resonant flyback converter and grid-connected inverter of claim 2, wherein: the outer surface of the heat conducting copper pipe (2043) is subjected to nickel plating treatment.
5. The quasi-resonant flyback converter and grid-connected inverter of claim 1, wherein: the side surface of the heat dissipation shell (201) is provided with a ventilation opening, the blowing direction of the ball fan (203) is from bottom to top, and then the airflow heat dissipation direction of the heat dissipation mechanism (2) is from the ventilation opening of the heat dissipation shell (201) to the heat dissipation fins (2044), then to the ball fan (203) and finally to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710888.2U CN210444159U (en) | 2019-10-12 | 2019-10-12 | Quasi-resonance flyback converter and grid-connected inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921710888.2U CN210444159U (en) | 2019-10-12 | 2019-10-12 | Quasi-resonance flyback converter and grid-connected inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210444159U true CN210444159U (en) | 2020-05-01 |
Family
ID=70411469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921710888.2U Expired - Fee Related CN210444159U (en) | 2019-10-12 | 2019-10-12 | Quasi-resonance flyback converter and grid-connected inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210444159U (en) |
-
2019
- 2019-10-12 CN CN201921710888.2U patent/CN210444159U/en not_active Expired - Fee Related
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| 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: 20200501 Termination date: 20201012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |