CN217335552U - Integrated filtering structure of electric automobile - Google Patents
Integrated filtering structure of electric automobile Download PDFInfo
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- CN217335552U CN217335552U CN202220584897.7U CN202220584897U CN217335552U CN 217335552 U CN217335552 U CN 217335552U CN 202220584897 U CN202220584897 U CN 202220584897U CN 217335552 U CN217335552 U CN 217335552U
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- circuit board
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The utility model discloses an integrated filtering structure of electric automobile, including the casing and integrated in main power circuit board, filter circuit board, power switching circuit board and wireless cable connector on the casing, be equipped with a appearance value chamber in the casing, the appearance value intracavity is equipped with at least one reference column and first mounting hole, filter circuit board install in the appearance value intracavity, just power switching circuit board passes through reference column and first mounting hole install in filter circuit board top, power switching circuit board dorsad be equipped with location structure in filter circuit board's the one side, main power circuit board passes through location structure install in on the power switching circuit board be equipped with an installation face on the casing outer wall, wireless cable connector install in on the installation face. Compared with the prior art, the utility model discloses reduced 50% installation space demand, reduced material cost, improved production efficiency.
Description
Technical Field
The utility model relates to a pure electronic, the car technical field that thoughtlessly moves charges, especially an electric automobile integrated filter structure.
Background
The existing integrated filter structure generally divides a shell into an upper cavity and a lower cavity, a filter circuit board and a main power circuit board are respectively installed on the upper cavity and the lower cavity, a cable connector is connected with the filter circuit board through a cable, the filter circuit board is connected with the main power circuit board through a switching copper bar, and an upper cover plate and a lower cover plate are installed on the shell to meet the protection grade requirement of a product.
This connection has the following problems:
1. the product size is large, and the material cost is high;
2. the front and back of the product have installation requirements, the production process is complex, and the production efficiency is low.
Therefore, how to design an integrated filtering structure for an electric vehicle can improve the above problems and reduce the product size, which is a technical problem to be solved urgently in the industry.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides an integrated filtering structure.
The technical scheme of the utility model for, a integrated filtering structure of electric automobile is proposed, including the casing and integrated in main power circuit board, filter circuit board, power switching circuit board and wireless cable connector on the casing, be equipped with a appearance value chamber in the casing, the appearance value intracavity is equipped with at least one reference column and first mounting hole, filter circuit board install in the appearance value intracavity, just power switching circuit board passes through reference column and first mounting hole install in filter circuit board top, power switching circuit board dorsad be equipped with location structure in filter circuit board's the one side, main power circuit board passes through location structure install in on the power switching circuit board be equipped with an installation face on the casing outer wall, wireless cable connector install in on the installation face.
Further, the filter circuit board comprises a filter capacitor circuit board and a filter inductor circuit board, and at least one filter capacitor and a filter capacitor shielding cover for packaging the filter capacitor are integrated on the filter capacitor circuit board;
the filter inductor circuit board is integrated with at least one filter inductor and a switching copper bar, and the filter inductor and the switching copper bar are installed on two opposite surfaces of the filter inductor circuit board.
Furthermore, a plurality of jacks are arranged on the power switching circuit board, at least one first pin is arranged on one side surface of the filter capacitor circuit board, the filter capacitor circuit board is vertically arranged, and the first pin is matched with the jacks to electrically connect the filter capacitor circuit board and the power switching circuit board.
Furthermore, the filter inductor is arranged on one side, back to the power transfer circuit board, of the filter inductor circuit board, the transfer copper bar is arranged on one side, facing the power transfer circuit board, of the filter inductor circuit board, the transfer copper bar is vertically arranged on the filter inductor circuit board, at least one second pin is arranged on one side, facing the power transfer circuit board, of the transfer copper bar, and the second pin is matched with the jack to be electrically connected with the filter inductor circuit board and the power transfer circuit board.
Furthermore, the mounting surface is annular, a notch matched with the housing is formed in the annular opening of the housing, the wireless cable connector comprises a connecting table used for connecting a main power circuit board, at least one second mounting hole is formed in the mounting surface, the wireless cable connector is mounted on the mounting surface through the second mounting hole, and the connecting table is placed in the accommodating cavity through the notch.
Furthermore, the power switching circuit board is provided with at least one welding hole near the connecting table, and the wireless cable connector realizes the electric connection between the power switching circuit board and the connecting table through the welding hole and by adopting a secondary selective welding process.
Further, still including locating power switching circuit board with main power shield cover and the insulating piece between the main power circuit board, the insulating piece lid is located on the power switching circuit board, and avoid location structure sets up, the shape of main power shield cover with the insulating piece matches, and is in be equipped with the third mounting hole of mutual matching on main power shield cover and the power switching circuit board.
Furthermore, the positioning structure comprises a power connecting column and a signal connecting pin, and the main power circuit board is arranged on the power switching circuit board through the power connecting column and the signal connecting pin.
And the shell is provided with at least one fourth mounting hole for fixing the cover plate.
Further, the cover plate and the shell are sealed through dispensing.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model discloses integrate the design with filter circuit board, reduced 50% installation space demand, reduced material cost, improved production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the housing of the present invention;
fig. 3 is a schematic view of the installation of the wireless cable connector of the present invention;
fig. 4 is a schematic structural diagram of the filter capacitor circuit board of the present invention;
fig. 5 is a schematic structural diagram of the filter inductor circuit board of the present invention;
fig. 6 is a schematic diagram of the connection between the filter circuit board and the power adapter circuit board according to the present invention;
fig. 7 is a schematic view illustrating the installation of the power transfer circuit board of the present invention;
fig. 8 is a schematic view illustrating the installation of the insulating sheet of the present invention;
fig. 9 is a schematic view of the installation of the main power shield of the present invention;
fig. 10 is a schematic view of the main power circuit board of the present invention;
fig. 11 is a schematic view of the installation of the cover plate of the present invention;
the printed circuit board comprises a cover plate 1, an opening 11, a shell 2, a glue-pouring retaining wall 21, a positioning column 22, a first mounting hole 23, a fifth mounting hole 24, a mounting surface 25, a second mounting hole 26, a fourth mounting hole 27, a wireless cable connector 3, a connecting table 31, a power switching circuit board 4, a welding hole 41, a power connecting column 42, a signal connecting pin 43, a filter capacitor circuit board 5, a filter capacitor circuit board 51, a first pin 52, a filter inductor circuit board 6, a switching copper bar 61, a filter inductor 62, a second pin 63, a third pin 64, a filter capacitor shielding cover 7, a main power shielding cover 8, a third mounting hole 81, an insulating sheet 9 and a main power circuit board 10.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
The existing integrated filtering mode is that a shell is divided into an upper shell and a lower shell, a filtering circuit board and a main power circuit board are respectively installed, then a cable connector is connected with the filtering circuit board through a cable, the filtering circuit board is connected with the main power circuit board through a connecting copper bar, and an upper cover plate and a lower cover plate are installed on the shell to meet the protection grade requirement of a product. However, by adopting the mode, the size of the product is large, the material cost is high, the front and back surfaces of the product have assembly requirements, the production process is complex, and the production efficiency is low. The utility model discloses an idea lies in, provides an integrated filtering structure of electric automobile, and it will each part be integrated to a casing in, saved at least half installation space demand to reduce material cost, improved production efficiency.
Referring to fig. 1, the integrated filter structure of an electric vehicle according to the present invention includes a housing 2, and a main power circuit board 10, a filter circuit board, a power transfer circuit board 4 and a wireless cable connector 3 integrated on the housing, specifically, a housing cavity is disposed in the housing 2, at least one positioning post 22 and a first mounting hole 23 are disposed in the housing cavity, the filter circuit board is mounted in the housing cavity and disposed to avoid the positioning post 22 and the first mounting hole 23, and then the power transfer circuit board 4 is mounted through the positioning post 22 and the first mounting hole 23, wherein the positioning post 22 and the first mounting hole 23 can be disposed on the periphery of the filter circuit board, so that the power transfer circuit board 4 is mounted on the filter circuit board, a positioning structure is disposed on a surface of the power transfer circuit board 4 opposite to the filter circuit board, the main power circuit board 10 is mounted on the power transfer circuit board 4 through the positioning structure, a mounting surface 25 is provided on the outer wall of the housing 2, and the wireless power connector 3 is mounted on the mounting surface 25.
Through the design mode, the main power circuit board 10, the filter circuit board, the power switching circuit board 4 and the wireless cable connector 3 can be integrated on one shell, an upper shell and a lower shell do not need to be additionally arranged, at least half of the requirement on installation space is saved, and the use of materials is reduced. The mounting surface 25, the positioning column 22, the first mounting hole 23, the fourth mounting hole 27 and the fifth mounting hole 24 which are arranged on the shell 2 are all processed by a numerical control machine tool, so that the processing precision is improved, and the automatic equipment assembly of all devices is ensured.
Referring to fig. 4 and 5, the filter circuit board includes a filter capacitor circuit board 5 and a filter inductor circuit board 6, and at least one filter capacitor 51 and a filter capacitor shielding cover 7 for packaging the filter capacitor 51 are integrated on the filter capacitor circuit board 5; at least one filter inductor 62 and a switching copper bar 61 are integrated on the filter inductor circuit board 6, and the filter inductor 62 and the switching copper bar 61 are installed on two opposite surfaces of the filter inductor circuit board 6;
specifically, referring to fig. 4, a plurality of jacks are formed in the power adapter circuit board 4, at least one first pin 52 is formed on one side surface of the filter capacitor circuit board 5, the first pin 52 can be matched with the jacks to electrically connect the power adapter circuit board 4 and the filter capacitor circuit board 5, and fix the filter capacitor circuit board 5, when the filter capacitor circuit board 5 is installed, the first pin 52 is vertically arranged, and is arranged toward the power adapter circuit board 4, and then the first pin 52 and the jacks are assembled, so that the filter capacitor circuit board 5 is electrically connected with the power adapter circuit board 4. The filter capacitor shielding cover 7 is made of metal materials and is used for fixing and shielding the filter capacitor 51, the anti-vibration requirement of the filter capacitor 51 is improved, and the setting requirement that the conventional filter capacitor 51 needs dispensing is replaced.
Referring to fig. 5, the filter inductor 62 is disposed on a side of the filter inductor circuit board 6 opposite to the power adapting circuit board 4, so that the adapting copper bar 61 is disposed on a side of the filter inductor circuit board 6 facing the power adapting circuit board 4, the adapting copper bar 61 is vertically mounted on the filter inductor circuit board 6, at least one second pin 63 is disposed on a side of the adapting copper bar 61 facing the power adapting circuit board 4, and the second pin 63 is engaged with a jack on the power adapting circuit board 4 during mounting, so as to electrically connect and fix the filter inductor circuit board 6 and the power adapting circuit board 4. The connection mode of the switching copper bar 61 and the filter inductance circuit board 6 can be welding, or the matching mode of the jack and the pin, and only the reliability of the electrical connection and fixation between the switching copper bar 61 and the filter inductance circuit board 4 needs to be ensured; a plurality of third pins 64 are arranged on the filter inductor 62, a plurality of jacks matched with the filter inductor are arranged on the filter inductor circuit board 6, and the filter inductor 62 is mounted on the filter inductor circuit board 6 through the third pins 64, so that the filter inductor 62 and the filter inductor are electrically connected, and the filter inductor 62 is fixed. The switching copper bar 61 can change the connection position of the filter inductor circuit board 6 and the power switching circuit board 4, and increase the size in the height direction, so that devices can be arranged in the height direction space between the filter inductor circuit board 6 and the power switching circuit board 4, and the space utilization rate is improved.
Referring to fig. 1 and fig. 2, a glue-pouring retaining wall 21 is further disposed on the housing 2, and separates the filter capacitor circuit board 5 from the filter inductor circuit board 6, so as to dissipate heat of the filter inductor on the filter inductor circuit board 6 and perform a shielding function.
Referring to fig. 2 and 3, the mounting surface 25 is annular, and the housing 2 has a notch at an annular opening, the wireless cable connector 3 includes a connecting platform 31 for connecting the main power circuit board 10, at least one second mounting hole 26 is provided on the mounting surface 25, the wireless cable connector 3 is mounted on the mounting surface 25 through the second mounting hole 26, and the connecting platform 31 is disposed in the accommodating cavity through the notch, so as to facilitate the connection between the wireless cable connector 3 and the main power circuit board 10.
Compared with a wired cable connector, the wireless cable connector 3 reduces the installation space, shortens the installation distance with other circuit boards, and is beneficial to the improvement of EMC performance.
Referring to fig. 3 and 7, the power adapter circuit board 4 is installed in the accommodating cavity, a plurality of soldering holes 41 are formed in the position, close to the connecting platform 31, of the power adapter circuit board 4, a plurality of signal pins are arranged on the connecting platform 31 and inserted into the soldering holes 41, so that the wireless cable connector 3 is electrically connected with the power adapter circuit board 4, wherein the signal pins on the connecting platform 31 are connected with the soldering holes 41 through a secondary selective soldering process, and good fixing and electrical connection effects are achieved. Through the design mode, the arrangement of the cable between the wireless cable connector 3 and the power switching circuit board 4 can be completely eliminated, and the design cost of the wireless cable connector 3 is greatly reduced.
Referring to fig. 1, 8 and 9, a main power shielding cover 8 and an insulating sheet 9 are disposed between the power adapting circuit board 4 and the main power circuit board 10, and are mounted on a surface of the power adapting circuit board 4 facing away from the filter circuit board, the insulating sheet 9 is first covered on the power adapting circuit board 4 and is disposed avoiding the positioning structure thereon, the shape of the main power shielding cover 8 is matched with the insulating sheet 9 and is mounted above the insulating sheet 9, and third mounting holes 81 matched with each other are further disposed on the main power shielding cover 8 and the power adapting circuit board 4, so as to fix the main power shielding cover 8 and the insulating sheet 9. The main power shielding cover 8 is used for isolating the power switching circuit board 4 from the main power circuit board 10, and is beneficial to EMC performance, the insulating sheet 9 has the function of insulation and pressure resistance, the installation distance between the power switching circuit board 4 and the main power circuit board 10 can be reduced, the space utilization rate is improved, and the requirement of insulation and pressure resistance under the condition of insufficient gap of an electric appliance is met.
Referring to fig. 8, 9 and 10, the positioning structure includes a power connection post 42 and a signal connection pin 43, and the main power circuit board 10 is mounted on the power transfer circuit board 4 through the power connection post 42 and the signal connection pin 43, so as to electrically connect and fix the main power circuit board 10 and the power transfer circuit board 4. The power connection column 42 and the signal connection pin 42 realize the circuit connection of the main power circuit 10 and the power switching circuit board 4 in the height direction, so that the space utilization rate of the length, width and height direction of the shell reaches more than 80%, and the effects of reducing the product volume and reducing the material cost are achieved.
Referring to fig. 2, 9 and 10, a fifth mounting hole 24 is further formed in the accommodating cavity, the height of the fifth mounting hole 24 is higher than that of the positioning column 22 and the first mounting hole 23, when the power adapter circuit board 4 is mounted on the positioning column 22 and the first mounting hole 23, the fifth mounting hole 24 is avoided, so that the fifth mounting hole 24 can be exposed out of the power adapter circuit board 4, and when the main power circuit board 10 is mounted, the connection reliability of the main power circuit board 10 can be further enhanced by the fifth mounting hole 24.
Referring to fig. 2 and 11, at least one fourth mounting hole 27 is further formed in the outer wall of the housing 2, the opening 11 matched with the fourth mounting hole 27 is formed in the cover plate 1, and after the main power circuit board 10 is mounted, the cover plate 1 is mounted through the fourth mounting hole 27 and the opening 11, so that the purpose of packaging and protecting the filter circuit board, the power switching circuit board 4 and the main power circuit board 10 is achieved. In order to satisfy the sealing effect between the cover plate 1 and the shell 2, glue is dispensed between the cover plate 1 and the shell 2.
Compared with the prior art, the utility model discloses on being integrated to a casing with main power circuit board, filter circuit board, power switching circuit board and wireless cable connector, and connect closely between each circuit board, space utilization is high, and wireless cable connector has cancelled the setting of cable, and the device has wholly reduced 50% at least installation space demand to reach reduction material cost, improved production efficiency's purpose.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. The integrated filtering structure of the electric automobile comprises a shell, and a main power circuit board, a filtering circuit board, a power switching circuit board and a wireless cable connector which are integrated on the shell, and is characterized in that a containing cavity is arranged in the shell, at least one positioning column and a first mounting hole are arranged in the containing cavity, the filtering circuit board is mounted in the containing cavity, the power switching circuit board is mounted above the filtering circuit board through the positioning column and the first mounting hole, a positioning structure is arranged on one surface of the power switching circuit board, which faces away from the filtering circuit board, the main power circuit board is mounted on the power switching circuit board through the positioning structure, a mounting surface is arranged on the outer wall of the shell, and the wireless cable connector is mounted on the mounting surface.
2. The electric vehicle integrated filter structure according to claim 1, wherein the filter circuit board comprises a filter capacitor circuit board and a filter inductor circuit board, and at least one filter capacitor and a filter capacitor shielding case for packaging the filter capacitor are integrated on the filter capacitor circuit board;
the filter inductor circuit board is integrated with at least one filter inductor and a switching copper bar, and the filter inductor and the switching copper bar are installed on two opposite surfaces of the filter inductor circuit board.
3. The integrated filter structure of claim 2, wherein the power adapter circuit board has a plurality of insertion holes, and the filter capacitor circuit board has at least one first pin on one side, and the filter capacitor circuit board is vertically disposed, and the first pin is engaged with the insertion hole to electrically connect the filter capacitor circuit board and the power adapter circuit board.
4. The integrated filter structure of claim 3, wherein the filter inductor is disposed on a side of the filter inductor circuit board facing away from the power adapter circuit board, the adapter copper bar is disposed on a side of the filter inductor circuit board facing the power adapter circuit board, the adapter copper bar is vertically disposed on the filter inductor circuit board, and a side of the adapter copper bar facing the power adapter circuit board is provided with at least one second pin, and the second pin is engaged with the jack to electrically connect the filter inductor circuit board and the power adapter circuit board.
5. The integrated filtering structure of claim 1, wherein the mounting surface is annular, and the housing has a notch at an opening of the annular shape, the wireless cable connector includes a connection platform for connecting a main power circuit board, the mounting surface has at least one second mounting hole, the wireless cable connector is mounted on the mounting surface through the second mounting hole, and the connection platform is disposed in the receiving cavity through the notch.
6. The integrated filtering structure of claim 5, wherein the power adapter circuit board is provided with at least one soldering hole near the connection platform, and the wireless cable connector is electrically connected to the connection platform through the soldering hole by a secondary selective soldering process.
7. The integrated filter structure of claim 1, further comprising a main power shielding cover and an insulating sheet disposed between the power adapter circuit board and the main power circuit board, wherein the insulating sheet covers the power adapter circuit board and avoids the positioning structure, the main power shielding cover is shaped to match the insulating sheet, and third mounting holes are disposed on the main power shielding cover and the power adapter circuit board.
8. The electric vehicle integrated filter structure according to claim 7, wherein the positioning structure comprises a power connection post and a signal connection pin, and the main power circuit board is mounted on the power adapter circuit board through the power connection post and the signal connection pin.
9. The integrated filter structure of an electric vehicle according to claim 1, further comprising a cover plate for enclosing the main power circuit board, wherein at least one fourth mounting hole for fixing the cover plate is further provided on the outer wall of the housing.
10. The integrated filter structure of claim 9, wherein the cover plate is sealed with the housing by dispensing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220584897.7U CN217335552U (en) | 2022-03-17 | 2022-03-17 | Integrated filtering structure of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220584897.7U CN217335552U (en) | 2022-03-17 | 2022-03-17 | Integrated filtering structure of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335552U true CN217335552U (en) | 2022-08-30 |
Family
ID=83002074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220584897.7U Active CN217335552U (en) | 2022-03-17 | 2022-03-17 | Integrated filtering structure of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335552U (en) |
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2022
- 2022-03-17 CN CN202220584897.7U patent/CN217335552U/en active Active
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