CN210808040U - Vehicle-mounted special inverter - Google Patents
Vehicle-mounted special inverter Download PDFInfo
- Publication number
- CN210808040U CN210808040U CN201921609438.4U CN201921609438U CN210808040U CN 210808040 U CN210808040 U CN 210808040U CN 201921609438 U CN201921609438 U CN 201921609438U CN 210808040 U CN210808040 U CN 210808040U
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- 238000009434 installation Methods 0.000 claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 35
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a vehicle-mounted special inverter, which comprises a cabinet, wherein the cabinet comprises a cabinet door, a back plate and a first installation cavity which is positioned between the cabinet door and the back plate and is isolated by a partition plate component, and the first installation cavity is positioned at the bottom of the cabinet; an output transformer and an output EMI component are arranged in the first mounting cavity; the cabinet door is provided with a first air inlet hole group at the part opposite to the first mounting cavity, the backboard is provided with a first cooling fan at the part opposite to the first mounting cavity, and the first air inlet hole group, the first mounting cavity and the first cooling fan form a first cooling channel of the cabinet. The utility model discloses a locate first installation cavity with output transformer to set up first radiator fan in first installation cavity and constitute first heat dissipation channel, can keep apart output transformer from this, and simplify overall structure when guaranteeing the radiating effect, make the structure more reasonable practical, the overall arrangement of being convenient for improves the maneuverability of maintaining.
Description
Technical Field
The embodiment of the utility model provides a relate to power electronic equipment field, more specifically say, relate to an on-vehicle special inverter.
Background
The vehicle-mounted special inverter can convert direct current charges of the storage battery into alternating current for use by vehicle-mounted equipment, and a vehicle owner can connect the storage battery with the inverter to drive an electric appliance and various tools to work, so that the operation range of entertainment and work on the vehicle can be greatly expanded.
However, the structural design of the vehicle-mounted inverter on the market at present is relatively complex, which is not beneficial to the layout of internal electronic components, and the operability of maintenance is low, which limits the practicability of the use.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a structure to above-mentioned current on-vehicle dc-to-ac converter is more complicated relatively, the radiating effect is not enough and be unfavorable for the problem that inside electronic components overall arrangement, the maneuverability of maintaining are low, provides a new on-vehicle special inverter.
The embodiment of the utility model provides a technical scheme who solves above-mentioned technical problem provides a vehicle-mounted special inverter, including the rack, the rack includes cabinet door, backplate and is located between cabinet door and the backplate and the first installation cavity that is kept apart by the baffle component and forms, and the first installation cavity is located the bottom of rack; an output transformer and an output EMI component are arranged in the first mounting cavity; the cabinet door is provided with a first air inlet hole group at the part opposite to the first mounting cavity, the backboard is provided with a first cooling fan at the part opposite to the first mounting cavity, and the first air inlet hole group, the first mounting cavity and the first cooling fan form a first cooling channel of the cabinet.
Preferably, the cabinet further comprises a second installation cavity which is located between the cabinet door and the back plate and is formed by the partition member in an isolation manner, and the second installation cavity is located above the first installation cavity and is separated from the first installation cavity by the first partition plate of the partition member; a power device assembly is arranged in the second mounting cavity; the part of the cabinet door, which is opposite to the second mounting cavity, is provided with a second air inlet hole group, the part of the back plate, which is opposite to the second mounting cavity, is provided with a second cooling fan, and a second cooling channel of the cabinet is formed by the second air inlet hole group, the second mounting cavity and the second cooling fan.
Preferably, the cabinet further comprises a third installation cavity which is located between the cabinet door and the back plate and is formed by the partition member in an isolation manner, and the third installation cavity is located above the second installation cavity and is separated from the second installation cavity by the second partition plate of the partition member; and a plurality of single plate components are arranged in the third mounting cavity.
Preferably, the output transformer is fixed to the center of the bottom plate of the first mounting cavity by a damping member, and the output transformer is connected to the cabinet by a grounding member.
Preferably, the output transformer is arranged along the width direction of the cabinet; the output EMI component is installed and fixed on a side plate of the cabinet in a mode of being spaced from the side plate of the cabinet through an insulating column, and power components installed on the output EMI component are all sleeved with heat shrink tubes.
Preferably, a first partition plate of the partition plate component is provided with a first wire passing hole communicated with the first installation cavity and the second installation cavity, a second partition plate is provided with a second wire passing hole communicated with the second installation cavity and the third installation cavity, and the first wire passing hole and the second wire passing hole are both sleeved with elastic protection rings.
Preferably, the power device assembly includes a dc capacitor member, an inverting IGBT assembly, an inverting SCR assembly, and a diode assembly; and a radiator component is arranged on the inner wall of the second mounting cavity, and an inversion IGBT component, an inversion SCR component and a diode component of the power device component are respectively fixedly mounted on the radiator component.
Preferably, an insulating plate is arranged between the positive electrode and the negative electrode of the direct current capacitor component, and the direct current capacitor component is fixedly connected with the inverter IGBT assembly through an insulating column.
Preferably, still install mutual-inductor component and circuit board subassembly in the second installation cavity, the installation of circuit board subassembly is fixed the top of power device subassembly, the mutual-inductor component includes the welding mounting panel, just the mutual-inductor component passes through the welding mounting panel welds to the inner wall of second installation cavity is fixed in the rack.
The utility model discloses on-vehicle special inverter has following beneficial effect: through locating output transformer first installation cavity to set up first radiator fan in order to constitute first heat dissipation channel in first installation cavity, can keep apart output transformer from this, and simplify overall structure when guaranteeing the radiating effect, make structural design more reasonable practical, be favorable to inside electronic components's layout design, improve the maneuverability of maintaining.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a vehicle-mounted special inverter provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a rear projection structure of the vehicle-mounted special inverter provided in the embodiment of the present invention;
fig. 3 is a schematic front projection structure diagram of the vehicle-mounted special inverter provided by the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the embodiment of the present invention provides a structural schematic diagram of an on-vehicle special inverter, which can be applied in the field of power electronic devices, especially in an on-vehicle special inverter requiring a higher anti-seismic level.
As shown in fig. 2 and 3, the vehicle-mounted special inverter in this embodiment includes a cabinet 1, where the cabinet 1 includes a cabinet door 11, a back panel 12, a partition member 13, and a first installation cavity 14 located between the cabinet door 11 and the back panel 12 and separated by the partition member 13, and the first installation cavity 14 is located at the bottom of the cabinet 1. The first installation cavity 14 is independent relative to an inner cavity of the cabinet 1, and the output transformer 2 and the output EMI (Electromagnetic Interference) component 3 are installed inside the first installation cavity 14, so that the output transformer 2 can be isolated by the first installation cavity 14, the Electromagnetic Interference is prevented from affecting the use of other electronic components when the output transformer 2 operates, and the operation stability and reliability of the vehicle-mounted special inverter are improved. In addition, the output EMI component 3 is used as an output port, and the output EMI component 3 and the output transformer 2 are installed in the first installation cavity 14 together, so that the layout design can be optimized while the output EMI component 3 is not influenced by the electromagnetic interference of the output transformer 2, the maintenance operability is improved, and the maintenance efficiency is improved.
Specifically, a portion of the cabinet door 11 of the cabinet 1, which faces the first mounting cavity 14, has a first air inlet hole group 41, a portion of the back plate 12, which faces the first mounting cavity 14, has a first cooling fan 42, and the first air inlet hole group 41, the first mounting cavity 14 and the first cooling fan 42 form a first cooling channel of the cabinet 1. When in use, the first heat dissipation fan 42 drives to discharge the control in the first installation cavity 14 to the outside of the cabinet 1, and at the same time, an air pressure difference is generated, and the external air flows into the first installation cavity 14 through the first air inlet hole group 41, thereby forming a circulating heat dissipation airflow, so as to perform air cooling heat dissipation on the output transformer 2 in the first installation cavity 14. In addition, the first air inlet hole group 41 is disposed on the cabinet door 11, and the first heat dissipation fan 42 is disposed on the back panel 12, that is, the first air inlet hole group 41 and the first heat dissipation fan 42 are disposed in an opposite manner, so that the first heat dissipation channel is located on the same straight line, which is beneficial to efficient circulation flow of heat dissipation airflow, promotes air circulation efficiency, and improves heat dissipation effect.
Of course, in practical application, the first cooling fan 42 may be disposed on the cabinet door 11, the first air inlet hole group 41 may be disposed on the back panel 12, or the first cooling fan 42 and the first air inlet hole group 41 may be disposed on the side panels of the two sides of the cabinet 1, respectively, and the cooling effect may be ensured and the determination may be performed according to actual design requirements.
Above-mentioned on-vehicle special inverter is through locating first installation cavity 14 with output transformer 2 to set up first radiator fan 42 in first installation cavity 14 in order to constitute first heat dissipation channel, can keep apart output transformer 2 from this, the inside layout design of rack 1 of being convenient for, and can simplify overall structure when guaranteeing the radiating effect, reduce the volume, improve integrated effect, and make structural design more reasonable practical, improve the maneuverability of maintaining.
Further, the cabinet 1 further includes a second mounting cavity 15 located between the cabinet door 11 and the back panel 12 and separated by a partition member 13, the second mounting cavity 15 is located above the first mounting cavity 14 and is separated from the first mounting cavity 14 by a first partition 131 of the partition member 13, and a power device assembly (such as an inverter IGBT assembly, an inverter SCR assembly and a diode assembly) is mounted in the second mounting cavity 15. This structural design mode is simple reasonable, can effectively improve the space utilization of the inner chamber of rack 1, makes the overall arrangement compacter reasonable to reduce the volume, reduce manufacturing cost, and can also effectually keep apart the setting with power device subassembly and output transformer 2, improve on-vehicle special inverter's interference killing feature.
In order to realize heat dissipation of the power device assembly in the second mounting cavity 15, a second air inlet hole group 51 is provided at a portion of the cabinet door 11 facing the second mounting cavity 15, a second heat dissipation fan 52 is provided at a portion of the back plate 12 facing the second mounting cavity 15, and a second heat dissipation channel of the cabinet 1 is formed by the second air inlet hole group 51, the second mounting cavity 15 and the second heat dissipation fan 52. When the air-cooled heat dissipation device is started to use, the second heat dissipation fan 52 drives the control in the second mounting cavity 15 to be discharged out of the cabinet 1, and meanwhile, an air pressure difference is generated, and external air flows into the second mounting cavity 15 through the second air inlet hole group 51, so that a circulating heat dissipation airflow is formed, and air-cooled heat dissipation is performed on power device components in the second mounting cavity 15. Particularly, the heat dissipation structure design forming the second heat dissipation channel is the same as the heat dissipation structure design forming the first heat dissipation channel, so that the overall structure layout of the cabinet 1 can be unified while the heat dissipation effect is guaranteed, the design difficulty is reduced, the design efficiency is improved, the assembly and the assembly are convenient, the maintenance operation is convenient, and the practicability is improved.
In practical application, the first air inlet group 41 and the second air inlet group 51 may be set as louver structures, so that air can enter the cabinet 1 through circulation to form a heat dissipation airflow and simultaneously be prevented from dust, and external dust is prevented from entering the cabinet through the first air inlet group 41 and the second air inlet group 51 to affect the stability and reliability of the electronic components.
The cabinet 1 further includes a third installation cavity 16 located between the cabinet door 11 and the back panel 12 and separated by the partition member 13, the third installation cavity 16 is located above the second installation cavity 15 and separated from the second installation cavity 15 by the second partition 132 of the partition member 13, and a plurality of single board assemblies for control are installed in the third installation cavity 16. The third installation cavity 16 is arranged at the top of the cabinet 1, and then the plurality of single board assemblies are arranged in the third installation cavity 16, so that the electronic components (including the plurality of single board assemblies) in the third installation cavity 16 can be conveniently assembled, maintained and debugged, the maintainability and the operation convenience can be improved, and further the layout design of the vehicle-mounted special inverter is more reasonable, and the vehicle-mounted special inverter has higher safety protection characteristics.
In order to improve the heat dissipation effect of the output transformer 2, the output transformer 2 is disposed in the center of the bottom plate of the first mounting cavity 14 along the width direction of the cabinet 1, that is, the front surface of the output transformer 2 is opposite to the cabinet door 11 and is located in the middle of the first heat dissipation channel, so that the heat on the output transformer 2 can be efficiently taken away by the air entering through the first air inlet hole group 41, and the heat dissipation effect of the heat dissipation airflow of the first heat dissipation channel on the output transformer 2 is maximized.
Preferably, the output transformer 2 is fixed on the bottom plate of the first installation cavity 14 through a damping member (such as a rubber pad), that is, when the output transformer 2 vibrates during operation, the damping member can absorb the vibration, so as to prevent the vibration of the output transformer 2 from being transmitted to the cabinet 1, and avoid the output transformer 2 and the cabinet 1 from working and increasing noise. Particularly, when the cabinet 1 generates vibration, the damping member can weaken and absorb the vibration, so that the stability of the output transformer 2 is ensured, and the shock resistance of the vehicle-mounted special inverter is improved.
In addition, the output transformer 2 is also connected with the cabinet 1 through a grounding component, so that the grounding design of the output transformer 2 can be realized, and the safety performance of the vehicle-mounted special inverter is improved.
The output EMI member 3 in the first mounting cavity 14 is mounted and fixed on the side plate of the cabinet 1 in a manner of being spaced from the side plate of the cabinet 1 by an insulating column, and the power components mounted and fixed on the output EMI member 3 are all sleeved with a heat shrink tube, so that the safety performance of the output EMI member 3 can be improved.
In order to facilitate the wiring layout of the vehicle-mounted special inverter, the first partition plate 131 of the partition plate member 13 is provided with a first wire passing hole communicating the first mounting cavity 14 with the second mounting cavity 15, and the second partition plate 132 is provided with a second wire passing hole communicating the second mounting cavity 15 with the third mounting cavity 16. In particular, the first wire passing hole and the second wire passing hole are sleeved with elastic protection rings, so that the cable can be protected, and the service life of the cable is prolonged.
The power device component comprises a direct current capacitor component, an inverted IGBT (Insulated Gate bipolar transistor) component, an inverted SCR (Silicon Controlled Rectifier) component and a diode component, and the conversion function of the vehicle-mounted special inverter is guaranteed. In addition, in order to further improve the heat dissipation effect on the power device elements, the inner wall of the second mounting cavity 15 is provided with a heat sink member; the inversion IGBT assembly, the inversion SCR assembly and the diode assembly of the power device assembly are respectively installed and fixed on the radiator component, so that heat generated by the inversion IGBT assembly, the inversion SCR assembly and the diode assembly can be timely and efficiently transferred through the radiator component, the use is prevented from being influenced by overhigh temperature, and the stability and the reliability are improved.
In practical application, the periphery of the radiator component can be provided with reinforcing ribs to be connected with the inner wall of the second mounting cavity 15, so that the radiator component is more stable and reliable to mount, and the shock resistance is improved.
In order to ensure the safety of the direct current capacitor component, an insulating plate is arranged between the anode and the cathode of the direct current capacitor component, and the structural mode is also favorable for the structural design of the direct current capacitor component; and, above-mentioned direct current capacitance component passes through insulating column and contravariant IGBT subassembly fixed connection, can avoid damaging the terminal of contravariant IGBT subassembly when producing the vibration from this, optimization design technology.
A mutual inductor component and a circuit board assembly are also arranged in the second mounting cavity 15, and the circuit board assembly is fixedly arranged above the power device assembly; because the circuit board assembly generates less heat when in use, the circuit board assembly can be arranged above the power device assembly and is far away from the heat dissipation center of the second heat dissipation channel, and the heat dissipation effect of the second heat dissipation channel on the power device assembly is ensured. Above-mentioned mutual-inductor component is including the welding mounting panel, and this mutual-inductor component is fixed in rack 1 through the inner wall that the welding mounting panel welded to second installation cavity 15 to through the fixed installation stability that can improve the mutual-inductor component of welded mode, avoid colliding other electronic components and cause the safety problem when taking place vibrations.
In practical application, in order to further improve the shock resistance of the vehicle-mounted special inverter, the input fuse and the output fuse of the vehicle-mounted special inverter can be installed and fixed in the cabinet 1 through the copper studs, so that the input fuse and the output fuse can be effectively prevented from being damaged during shock, the stability is improved, and the service life of the vehicle-mounted special inverter is prolonged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A vehicle-mounted special inverter comprises a cabinet, and is characterized in that the cabinet comprises a cabinet door, a back plate and a first mounting cavity which is positioned between the cabinet door and the back plate and is isolated by a partition plate member, and the first mounting cavity is positioned at the bottom of the cabinet; an output transformer and an output EMI component are arranged in the first mounting cavity; the cabinet door is provided with a first air inlet hole group at the part opposite to the first mounting cavity, the backboard is provided with a first cooling fan at the part opposite to the first mounting cavity, and the first air inlet hole group, the first mounting cavity and the first cooling fan form a first cooling channel of the cabinet.
2. The vehicle-mounted special inverter according to claim 1, wherein the cabinet further comprises a second mounting cavity which is located between the cabinet door and the back plate and is formed by the partition member in an isolation manner, and the second mounting cavity is located above the first mounting cavity and is separated from the first mounting cavity by the first partition plate of the partition member; a power device assembly is arranged in the second mounting cavity; the part of the cabinet door, which is opposite to the second mounting cavity, is provided with a second air inlet hole group, the part of the back plate, which is opposite to the second mounting cavity, is provided with a second cooling fan, and a second cooling channel of the cabinet is formed by the second air inlet hole group, the second mounting cavity and the second cooling fan.
3. The vehicle-mounted special inverter according to claim 2, wherein the cabinet further comprises a third mounting cavity which is located between the cabinet door and the back plate and is formed by isolation of the partition member, and the third mounting cavity is located above the second mounting cavity and is separated from the second mounting cavity by a second partition plate of the partition member; and a plurality of single plate components are arranged in the third mounting cavity.
4. The vehicle-mounted special inverter according to claim 1, wherein the output transformer is fixed in the center of the bottom plate of the first mounting cavity through a damping member, and the output transformer is connected with the cabinet through a grounding member.
5. The vehicle-mounted special inverter according to claim 4, wherein the output transformer is arranged along the width direction of the cabinet; the output EMI component is installed and fixed on a side plate of the cabinet in a mode of being spaced from the side plate of the cabinet through an insulating column, and power components installed on the output EMI component are all sleeved with heat shrink tubes.
6. The vehicle-mounted special inverter according to claim 3, wherein a first partition plate of the partition plate member is provided with a first wire passing hole communicating the first mounting cavity and the second mounting cavity, a second wire passing hole communicating the second mounting cavity and the third mounting cavity is provided with a second wire passing hole communicating the second mounting cavity and the third mounting cavity, and elastic protection rings are sleeved on the first wire passing hole and the second wire passing hole.
7. The vehicle mounted special inverter according to claim 2, wherein the power device assembly comprises a direct current capacitance member, an inverting IGBT assembly, an inverting SCR assembly and a diode assembly; and a radiator component is arranged on the inner wall of the second mounting cavity, and an inversion IGBT component, an inversion SCR component and a diode component of the power device component are respectively fixedly mounted on the radiator component.
8. The vehicle-mounted special inverter according to claim 7, wherein an insulating plate is arranged between a positive electrode and a negative electrode of the direct current capacitor component, and the direct current capacitor component is fixedly connected with the inverter IGBT assembly through an insulating column.
9. The vehicle-mounted special inverter according to claim 2, wherein a transformer component and a circuit board component are further installed in the second installation cavity, the circuit board component is installed and fixed above the power device component, the transformer component comprises a welding installation plate, and the transformer component is fixed in the cabinet by welding the inner wall of the second installation cavity through the welding installation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609438.4U CN210808040U (en) | 2019-09-25 | 2019-09-25 | Vehicle-mounted special inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609438.4U CN210808040U (en) | 2019-09-25 | 2019-09-25 | Vehicle-mounted special inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210808040U true CN210808040U (en) | 2020-06-19 |
Family
ID=71233086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921609438.4U Expired - Fee Related CN210808040U (en) | 2019-09-25 | 2019-09-25 | Vehicle-mounted special inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210808040U (en) |
-
2019
- 2019-09-25 CN CN201921609438.4U patent/CN210808040U/en not_active Expired - Fee Related
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Legal Events
| 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: 20200619 |