CN216134771U - High-stability bidirectional inverter with good heat dissipation effect - Google Patents
High-stability bidirectional inverter with good heat dissipation effect Download PDFInfo
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- CN216134771U CN216134771U CN202122059570.6U CN202122059570U CN216134771U CN 216134771 U CN216134771 U CN 216134771U CN 202122059570 U CN202122059570 U CN 202122059570U CN 216134771 U CN216134771 U CN 216134771U
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Abstract
The utility model discloses a high-stability and good-heat-dissipation-effect bidirectional inverter, which comprises a case, a heat dissipation unit arranged in the case, a mounting bracket arranged close to the heat dissipation unit, an integrated circuit board fixed on the mounting bracket, a first filter circuit board, a control board, a second filter circuit board and an inductance assembly arranged close to the heat dissipation unit and positioned on one side of the mounting bracket, wherein the heat dissipation unit is arranged in the case; the installing support includes first backup pad, sets up the second backup pad in first backup pad top through the bracing piece, and integrated circuit board fixes in first backup pad, and first filter circuit board, control panel and second filter circuit board set up in the second backup pad, and just first filter circuit board and second filter circuit board are located the left and right sides of control panel respectively. The utility model has good heat dissipation effect, greatly reduces the electromagnetic interference of the circuit part to the control panel, improves the stability of the inverter and prolongs the service life of the inverter.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of grid-connected energy storage systems, and particularly relates to a bidirectional inverter with high stability and good heat dissipation effect.
[ background of the utility model ]
With the rapid development of new energy vehicles, the problem of recycling power batteries is gradually appearing. Although the rejected power batteries can still keep the available capacity less than about 80%, the rejected power batteries can still be connected in parallel to form a basic energy storage unit. The great difference of the power load in the peak time period and the off-peak time period brings great difficulty to the generation and the dispatching of the electric energy. Because of load fluctuation in the power grid, the power grid has a periodic high-low fluctuation rule, the energy storage system needs to balance the power consumption requirement, an inverter is an important component in the energy storage system, the inverter converts direct current electric energy into alternating current, consists of an inverter bridge, control logic and a filter circuit, and is widely applicable to air conditioners, home cinemas, electric grinding wheels, electric tools, sewing machines, DVDs, VCDs, computers, televisions, washing machines, smoke exhaust ventilators, refrigerators, video recorders, massagers, fans, lighting and the like.
The working environment of the energy storage system is generally severe, and most of high-load devices work in a sealed environment; the inverter is heated seriously, and the service life is seriously influenced; in addition, most inverters on the market integrate all circuits on one board, and due to unreasonable current loops and device intervals, sensitive devices on the inverters are easily affected by self electromagnetic interference.
Therefore, it is necessary to provide a new bidirectional inverter with high stability and good heat dissipation effect to solve the above technical problems.
[ Utility model ] content
The utility model mainly aims to provide a bidirectional inverter with high stability and good heat dissipation effect, which has good heat dissipation effect, greatly reduces the electromagnetic interference of a circuit part to a control board, and improves the stability and the service life of the inverter.
The utility model realizes the purpose through the following technical scheme: a bidirectional inverter with high stability and good heat dissipation effect comprises a case, a heat dissipation unit arranged in the case, a mounting bracket arranged close to the heat dissipation unit, an integrated circuit board fixed on the mounting bracket, a first filter circuit board, a control board, a second filter circuit board and an inductance assembly arranged close to the heat dissipation unit and positioned on one side of the mounting bracket; the installing support includes first backup pad, sets up through the bracing piece the second backup pad of first backup pad top, integrated circuit board fixes on the first backup pad, first filter circuit board the control panel and second filter circuit board sets up in the second backup pad, just first filter circuit board with second filter circuit board is located respectively the left and right sides of control panel.
Furthermore, the case comprises a case body, a rear cover plate and a front cover plate.
Further, the box formula structure as an organic whole just includes encloses all around and keeps off and back baffle, enclose all around the bottom of keeping off and install a plurality of connection ports, top both sides bending down and be formed with the handle, the bottom both sides turn over upwards and be formed with the base.
Furthermore, a plurality of openings are formed in the back partition plate, so that the heating elements on the integrated circuit board and the inductance assemblies can be in direct contact with the heat dissipation unit for cooling.
Furthermore, a display module electrically connected with the control panel is arranged on the front cover plate.
Further, a DC/DC conversion circuit, a DC-AC conversion circuit, an auxiliary power supply circuit and a sampling circuit are integrated on the integrated circuit.
Furthermore, the first supporting plate and the second supporting plate are metal plate structures.
Furthermore, the heat dissipation unit comprises a third support plate, a plurality of heat dissipation fins and a heat dissipation fan, wherein the heat dissipation fins are perpendicular to the surface of the third support plate, and the heat dissipation fins are arranged in parallel and form heat dissipation channels.
Furthermore, the rear cover plate covers the third support plate and surrounds the radiating fins, the top of the rear cover plate is of an open structure and surrounds the third support plate to form an air inlet, the radiating fan is installed at the bottom of the rear cover plate, external air is sucked from the air inlet and then is exhausted through the radiating channel and the radiating fan.
Furthermore, the third supporting plate is arranged close to the back clapboard.
Compared with the prior art, the bidirectional inverter with high stability and good heat dissipation effect has the beneficial effects that: the integral structure is high in strength and good in heat dissipation effect, electromagnetic interference of the high-frequency power device on the control panel is greatly reduced, and the working stability and the service life of the inverter are greatly improved.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a case according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a mounting bracket and a heat dissipating unit according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of another embodiment of the present invention;
the figures in the drawings represent:
1, a case, 11, 111 surrounding barriers, 112 back partitions, 113 connecting ports, 114 handles, 115 bases, 116 openings, 12 rear cover plates, 13 front cover plates and 14 bases; 2 mounting a bracket, 21 a first supporting plate, 22 a second supporting plate; 3 an integrated circuit board; 4 a first filter circuit board; 5, controlling the board; 6 a second filter circuit board; 7 heat radiation unit, 71 third support plate, 72 heat radiation fin, 73 heat radiation fan and 74 air inlet; 8, an inductance component; and 9 displaying the module.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-5, the bi-directional inverter 100 with high stability and good heat dissipation effect of the present embodiment includes a chassis 1, a heat dissipation unit 7 disposed in the chassis 1, a mounting bracket 2 disposed close to the heat dissipation unit 7, an integrated circuit board 3 fixed on the mounting bracket 2, a first filter circuit board 4, a control board 5 and a second filter circuit board 6, and an inductance assembly 8 disposed close to the heat dissipation unit 7 and located at one side of the mounting bracket 2.
The cabinet 1 includes a cabinet 11, a rear cover 12, and a front cover 13. The box body 11 comprises a surrounding barrier 111 and a back partition plate 112, wherein the bottom of the surrounding barrier 111 is provided with a plurality of connecting ports 113, two sides of the top of the surrounding barrier are bent downwards to form a handle 114, and two sides of the bottom of the surrounding barrier 111 are turned upwards to form a base 115. The case 1 with the integrated structure is adopted, the handle 114 and the base 115 are formed by directly extending and folding the upper side and the lower side of the case 1, and the integral structural strength of the inverter is greatly improved.
The back partition 112 has a plurality of openings 116 for allowing the heat generating components on the ic board 3 and the inductance assembly 8 to directly contact the heat dissipating unit 7 for cooling.
The front cover plate 13 is provided with a display module 9 electrically connected with the control panel 5.
The integrated circuit 3 is provided with a DC/DC conversion circuit, a DC-AC conversion circuit, an auxiliary power supply circuit, and a sampling circuit.
Installing support 2 includes first backup pad 21, sets up the second backup pad 22 in first backup pad 21 top through the bracing piece, and integrated circuit board 3 is fixed on first backup pad 21, and first filter circuit board 4, control panel 5 and second filter circuit board 6 set up in second backup pad 22, and first filter circuit board 4 and second filter circuit board 6 are located the left and right sides of control panel 5 respectively. In the present embodiment, the first filter circuit board 4, the control board 5 and the second filter circuit board 6 are disposed on the second supporting plate 22, and the first filter circuit board 4 and the second filter circuit board 6 are respectively disposed at the left and right sides of the control board 5, so that the electromagnetic interference of the filter circuit to the middle control board 5 can be reduced. First backup pad 21 is the metal sheet structure with second backup pad 22, its thickness is 2 ~ 4mm, integrated circuit board 3 can be ensured on the one hand, first filter circuit board 4, the installation stability of control panel 5 and second filter circuit board 6, on the other hand, can shield the electromagnetic interference of the high frequency power device on the integrated circuit board 3 of below to upper control panel 5 again, the stability of dc-to-ac converter work has been improved, and the design of upper and lower layer structure, more be favorable to the circuit board maintenance and the change in later stage, subsequent manpower and material resources cost has been practiced thrift.
The inductance assembly 8 is located on the upper side of the mounting bracket 2.
The heat dissipation unit 7 includes a third support plate 71, a plurality of heat dissipation fins 72 perpendicular to the surface of the third support plate 71, and a heat dissipation fan 73, the heat dissipation fins 72 are disposed in parallel with each other, a heat dissipation channel is formed between the heat dissipation fins 72, the rear cover plate 12 covers the third support plate 71 and encloses the heat dissipation fins 72, the top of the rear cover plate 12 is an open structure and surrounds the third support plate 71 to form an air inlet 74, the heat dissipation fan 73 is installed at the bottom of the rear cover plate 12, and external air is sucked from the air inlet 74 and then exhausted through the heat dissipation channel and the heat dissipation fan 73. The third support plate 71 is disposed closely to the back spacer 112 so that heat generated from the respective circuit boards on the mounting bracket 2 can be conducted to the heat sink 72 through the third support plate 71 and then taken away from the heat sink 72 by the cool air passing through the heat dissipation passage. The present embodiment, through the structural design of the heat dissipating unit 7, follows the principle of minimum flow resistance loss and maximum flow rate, and is more favorable for the heat exchange between the heat dissipating fins 72 and the air.
A hanging plate (not shown) is arranged on the rear cover plate 12 and used for realizing wall-mounted installation of the inverter.
In this embodiment, the integrated circuit board 3 is first mounted on the first support plate 21, then the second support plate 22 is fixed, and then the first filter circuit board 4, the control board 5 and the second filter circuit board 6 are mounted on the second support plate 22; then the whole mounting bracket 2 provided with the circuit board is placed into the box body 11 for fixing, and meanwhile, the inductance assembly 8 is placed into the box body 11 for fixing, electric connection is realized according to circuit design, and the front side of the mounting bracket is sealed by a front cover plate 13; then fixing the third support plate 71 provided with the heat radiating fins 72 on the back of the box body 11, and finally installing the rear cover plate 12 to complete the integral assembly of the inverter; in use, the radiator fan 73 is down and the air inlet 74 is up.
The bidirectional inverter 100 with high stability and good heat dissipation effect has high overall structural strength and good heat dissipation effect, greatly reduces the electromagnetic interference of high-frequency power devices on a control panel, and greatly improves the working stability and service life of the inverter.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a two-way inverter that high stability and radiating effect are good which characterized in that: the integrated circuit comprises a case, a heat dissipation unit arranged in the case, a mounting bracket arranged close to the heat dissipation unit, an integrated circuit board fixed on the mounting bracket, a first filter circuit board, a control board, a second filter circuit board and an inductance assembly arranged close to the heat dissipation unit and positioned on one side of the mounting bracket; the installing support includes first backup pad, sets up through the bracing piece the second backup pad of first backup pad top, integrated circuit board fixes on the first backup pad, first filter circuit board the control panel and second filter circuit board sets up in the second backup pad, just first filter circuit board with second filter circuit board is located respectively the left and right sides of control panel.
2. The high-stability and good-heat-dissipation bidirectional inverter according to claim 1, wherein: the case comprises a case body, a rear cover plate and a front cover plate; the box body is of an integrated structure and comprises a surrounding baffle and a back baffle.
3. The high-stability and good-heat-dissipation bidirectional inverter according to claim 2, wherein: the bottom of the surrounding barrier is provided with a plurality of connecting ports, two sides of the top are bent downwards to form handles, and two sides of the bottom are turned upwards to form a base.
4. The high-stability and good-heat-dissipation bidirectional inverter according to claim 3, wherein: a plurality of openings are formed in the back partition plate, and are used for the heating components on the integrated circuit board and the inductance assembly to be in direct contact with the heat dissipation unit for cooling.
5. The high-stability and good-heat-dissipation bidirectional inverter according to claim 2, wherein: and the front cover plate is provided with a display module electrically connected with the control panel.
6. The high-stability and good-heat-dissipation bidirectional inverter according to claim 1, wherein: the integrated circuit is provided with a DC/DC conversion circuit, a DC-AC conversion circuit, an auxiliary power supply circuit and a sampling circuit in an integrated mode.
7. The high-stability and good-heat-dissipation bidirectional inverter according to claim 1, wherein: the first supporting plate and the second supporting plate are of metal plate structures.
8. The high stability and good heat dissipation bi-directional inverter of claim 4, wherein: the heat dissipation unit comprises a third support plate, a plurality of heat dissipation fins and a heat dissipation fan, wherein the heat dissipation fins are perpendicular to the surface of the third support plate, and the heat dissipation fins are arranged in parallel and form heat dissipation channels.
9. The high stability and good heat dissipation bi-directional inverter of claim 8, wherein: the rear cover plate covers the third support plate and surrounds the radiating fins, the top of the rear cover plate is of an open structure and surrounds the third support plate to form an air inlet, and the radiating fan is installed at the bottom of the rear cover plate and sucks external air from the air inlet and then discharges the air through the radiating fan via the radiating channel.
10. The high stability and good heat dissipation bi-directional inverter of claim 9, wherein: the third supporting plate is arranged close to the back clapboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122059570.6U CN216134771U (en) | 2021-08-30 | 2021-08-30 | High-stability bidirectional inverter with good heat dissipation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122059570.6U CN216134771U (en) | 2021-08-30 | 2021-08-30 | High-stability bidirectional inverter with good heat dissipation effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216134771U true CN216134771U (en) | 2022-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122059570.6U Active CN216134771U (en) | 2021-08-30 | 2021-08-30 | High-stability bidirectional inverter with good heat dissipation effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216134771U (en) |
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2021
- 2021-08-30 CN CN202122059570.6U patent/CN216134771U/en active Active
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Effective date of registration: 20220615 Address after: 310000 room 2001, 20 / F, building 4, Zhongheng building, No. 69, Dongxin Avenue, high tech Zhijiang science and Technology Industrial Park, Binjiang District, Hangzhou, Zhejiang Province Patentee after: Hangzhou Xuda New Energy Technology Co.,Ltd. Address before: 200333 room 604-605, 6 / F, No. 1220 Tongpu Road, Putuo District, Shanghai Patentee before: GLOBAL MAINSTREAM DYNAMIC ENERGY TECHNOLOGY Ltd. |