CN211630737U - Electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield - Google Patents
Electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield Download PDFInfo
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- CN211630737U CN211630737U CN202020471186.XU CN202020471186U CN211630737U CN 211630737 U CN211630737 U CN 211630737U CN 202020471186 U CN202020471186 U CN 202020471186U CN 211630737 U CN211630737 U CN 211630737U
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Abstract
The utility model provides an electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield, including casing, lid, input filter module, on-vehicle charging module and DC module all set up in the casing, the lid closes the device and places the chamber and is connected with the casing, be provided with the spacing wall in the casing, the spacing wall separates the device and holds the chamber into and holds the chamber, vary voltage and hold the chamber and input and hold the chamber, input filter module sets up in the input holds the chamber, on-vehicle charging module sets up in holding the chamber that charges, the DC module sets up in varying voltage holds the chamber; the electric vehicle electrical component assembly further comprises a transformation cover plate and an input cover plate, the transformation cover plate covers the transformation containing cavity, the edge of the transformation cover plate is connected with the partition wall, the input cover plate covers the input containing cavity, and the edge of the input cover plate is connected with the partition wall. The corresponding accommodating cavity is covered by the transformation cover plate and the input cover plate, so that the accommodating cavity is relatively closed, and the electromagnetic shielding performance is improved.
Description
Technical Field
The utility model relates to a new forms of energy equipment field especially relates to an electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield.
Background
The new energy electric vehicle has the characteristics of environmental protection and small pollution because the new energy electric vehicle does not burn gasoline to generate power, and is widely applied.
Along with the diversification of more and more electric vehicle functions, such as a quick charging function, an air conditioning function, a heating function, lighting inside and outside the vehicle, a camera shooting function, an intelligent central control function and the like, the voltage requirements corresponding to all the functional modules are different, so that a charging module, a plurality of voltage transformation modules, a control module and the like need to be arranged in the vehicle to match with the actual application requirements.
And current above-mentioned electrical component generally adopts separately to arrange nearby, and every part needs independent installation, and every part all need connect the battery, and the circuit is complicated, and the installation is very loaded down with trivial details, and overhauls the difficulty, has also increaseed the degree of difficulty of vehicle design simultaneously, leads to the cost higher, is unfavorable for using widely. After the integrated arrangement is adopted, the rationalization of the device layout is required to be considered, the integration miniaturization is carried out to the maximum extent, and simultaneously, because a large number of inductors, capacitors and other applications are involved, the problem of electromagnetic interference needs to be solved at the same time, otherwise, the operation stability of the device is influenced.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to provide an electric vehicle electrical component assembly for electromagnetic shielding in a device cavity.
The second objective of the utility model is to provide an electric motor car with above-mentioned electric motor car electrical component assembly.
In order to realize the first purpose of the utility model, the utility model provides an electric vehicle electrical component assembly of intracavity electromagnetic shield, which comprises a shell, a cover body, an input filter module, a vehicle-mounted charging module and a DC module, wherein the shell forms a device placing cavity, the input filter module, the vehicle-mounted charging module and the DC module are all arranged in the device containing cavity, the cover body covers the device placing cavity and is connected with the shell, a partition wall is arranged in the shell and divides the device containing cavity into a charging containing cavity, a voltage transformation containing cavity and an input containing cavity, the input filter module is arranged in the input containing cavity, the vehicle-mounted charging module is arranged in the charging containing cavity, and the DC module is arranged in the voltage transformation containing cavity; the electric vehicle electrical component assembly further comprises a transformation cover plate and an input cover plate, the transformation cover plate covers the transformation containing cavity, the edge of the transformation cover plate is connected with the partition wall, the input cover plate covers the input containing cavity, and the edge of the input cover plate is connected with the partition wall.
By the above scheme, it is obvious that the cavity is held to make the vary voltage to hold then airtight on holding the cavity through vary voltage apron lid closure vary voltage, and holds on the cavity and make then the input hold the cavity airtight relatively through input apron lid closure input, then realizes placing the intracavity isolation at the device to input filter module, on-vehicle module and the DC module of charging and places to improve electromagnetic shielding performance.
The first extending wall is arranged on the edge of the transformation cover plate and is positioned above the partition wall and extends in the same direction with the partition wall.
In a further aspect, the electric vehicle electrical component assembly includes a charging control module, and the charging control module is located above the vehicle-mounted charging module.
The electric vehicle electric component assembly comprises a wiring circuit board and a capacitor module, wherein the wiring circuit board and the capacitor module are arranged above the transformation cover plate; the first extension wall is located between the capacitance module and the charging control module.
The input cover plate is provided with a first extending wall at the edge, and the first extending wall is positioned above the partition wall and extends in the same direction with the partition wall.
Therefore, the arrangement of the first extension wall and the second extension wall provides an isolation effect above the device placing cavity, so that the isolation of other devices is improved.
The third partition wall is connected with the first partition wall in a crossed manner in the middle of the shell, the first partition wall, the second partition wall and the inner peripheral wall of the shell form a variable-pressure containing cavity in a surrounding manner, the first partition wall, the third partition wall and the inner peripheral wall of the shell form a charging containing cavity in a surrounding manner, and the second partition wall, the third partition wall and the inner peripheral wall of the shell form an input containing cavity in a surrounding manner.
The electric vehicle electrical component assembly comprises an output filter module, the output filter module is arranged in the transformation containing cavity between the fourth dividing wall and the second dividing wall, and the DC module is arranged in the transformation containing cavity between the first dividing wall and the fourth dividing wall.
It can be seen from above that, carry out stable installation with the device module through the setting of dividing the wall, and utilize the wall to provide the electromagnetic shield effect between each module, thereby the separation that becomes more meticulous improves the stability of module.
In a further aspect, the fourth dividing wall is provided with a first connecting notch.
The transformation cover plate is further provided with a second connecting line gap which is communicated with the transformation containing cavity.
In a further embodiment, the second connecting gap is located close to the partition wall.
Therefore, the connecting lines can penetrate through and are connected among the modules through the arrangement of the connecting line notches, and then the electromagnetic shielding effect among the modules is not influenced.
In order to realize the utility model discloses the second purpose, the utility model provides an electric motor car, electric motor car electrical component assembly including above-mentioned scheme.
Drawings
Fig. 1 is a structural diagram of an embodiment of an electric vehicle electrical component assembly according to the present invention.
Fig. 2 is a structural diagram of an electric vehicle electrical component assembly according to an embodiment of the present invention at another side view.
Fig. 3 is an exploded view of a cooling cover of an embodiment of an electric vehicle electrical component assembly according to the present invention.
Fig. 4 is a structural diagram of the electric vehicle electrical component assembly of the present invention without a cooling cover.
Fig. 5 is a structural diagram of the electric vehicle electrical component assembly according to the embodiment of the present invention with the cover omitted.
Fig. 6 is an exploded view of an embodiment of an electric vehicle electrical component assembly according to the present invention.
Fig. 7 is a structural diagram of the electric vehicle electrical component assembly of the present invention at the viewing angles of the transformer cover plate and the input cover plate.
Fig. 8 is an exploded view of the cover plate and the input cover plate of the present invention in an embodiment of an electric vehicle electrical component assembly.
Fig. 9 is a structural diagram of the electric vehicle electric component assembly of the present invention in which the vehicle-mounted charging module is omitted.
Fig. 10 is a cross-sectional view of an embodiment of an electric vehicle electrical component assembly of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Electric motor car electrical component assembly embodiment:
referring to fig. 1 to 10, an electric vehicle electrical component assembly 1 includes a housing 12, a cover 11, an access cover 13, a cooling cover 15, an on-vehicle charging module 31, a charging control module 32, a capacitor module 34, a wiring board 36, a relay 33, a fuse module 35, a DC module 37, an input filter module 38, and an output filter module 39. Casing 12 forms the device and places the chamber, is provided with the access hole on the lid 11, overhauls lid 13 and sets up in the access hole, and lid 11 lid closes the device and places the chamber and be connected with casing 12, and the intracavity is placed at the device to above-mentioned electrical component setting. The input filter module 38 is provided with a corresponding filter circuit, the DC module 37 is provided with a DCDC circuit, the capacitor module 34 includes a substrate and a plurality of capacitors arranged on the substrate, the vehicle-mounted charging module 31 is provided with a charging circuit, specifically, an OBC module, and the input filter module 38 is connected with the OBC filter circuit of the vehicle-mounted charging module 31.
A partition wall 45 is arranged in the housing 12, the partition wall 45 divides the device accommodating cavity into a charging accommodating cavity, a transformation accommodating cavity and an input accommodating cavity, specifically, the partition wall 45 comprises a first partition wall 451, a second partition wall 452, a third partition wall 453 and a fourth partition wall 454, the first partition wall 451, the second partition wall 452 and the third partition wall 453 are connected in an intersection manner in the middle of the housing 12, the first partition wall 451 and the third partition wall 453 are arranged in a straight wall manner, the second partition wall 452 is arranged in a curved arc-shaped wall manner, the transformation accommodating cavity is enclosed by the first partition wall 451, the second partition wall 452 and the inner peripheral wall of the housing 12, the charging accommodating cavity is enclosed by the first partition wall 451, the third partition wall 453 and the inner peripheral wall of the housing 12, and the input accommodating cavity is enclosed by the second partition wall 452, the third partition wall 453 and the inner peripheral wall.
The fourth dividing wall 454 is arranged in the transformation accommodating cavity, the first connecting line notch 456 is arranged on the fourth dividing wall 454, the output filter module 39 is arranged in the transformation accommodating cavity between the fourth dividing wall 454 and the second dividing wall 452, the DC module 37 is arranged in the transformation accommodating cavity between the first dividing wall 451 and the fourth dividing wall 454, the input filter module 38 is arranged in the input accommodating cavity, and the vehicle-mounted charging module 31 is arranged in the charging accommodating cavity.
In the cavity is held in the vary voltage, casing 12 is provided with inductance standing groove 121, electric capacity standing groove 123 and power heat conduction post 122 at the diapire relative with lid 11 promptly, is provided with electric capacity, inductance and power tube on the base plate of on-vehicle module 31 that charges, and on-vehicle module 31 that charges is the back-off mode installation, then makes electric capacity set up on electric capacity standing groove 123, and the inductance sets up in inductance standing groove 121, and the power tube borders on with the lateral wall of power heat conduction post 122.
The outer side of the bottom wall is provided with a cooling groove 2, the cooling groove 2 is a thin groove, the bottom surface 21 of the cooling groove 2 is provided with two first deep grooves 22 towards the power heat conduction column 122, the bottom surface 21 of the cooling groove 2 is provided with a second deep groove 23 towards the inductance placing groove 121, the inductance placing groove 121 and the second deep groove 23 are both arranged close to the side walls, the cooling groove 2 is provided with a first interface 146 and a second interface 147 respectively at two opposite side walls of the housing 12, the first deep groove 22 and the power heat conduction column 122 are close to the first interface 146, the first interface 146 is communicated with the first deep groove 22, the bottom surface 21 of the cooling groove 2 is provided with a communication groove 28 at a position close to the second interface 147, the second interface 147 is communicated with the communication groove 28, and the bottom of the communication groove 28 is provided with a guide arc surface.
The bottom surface 21 of the cooling tank 2 is provided with bumps 27 at the positions of the capacitor placement grooves 123, and by the avoiding design of the bumps 27 and the capacitor placement grooves 123, so that a larger capacitance can be placed, and the bottom surface 21 of the cooling channel 2 is provided with a plurality of heat conducting bumps 26, and the bottom surface 21 of the cooling groove 2 is provided with two flow guiding ribs 24, one is straight and the other is arranged in an L shape, the two flow guiding ribs 24 are arranged between the first connector 146 and the second connector 147, so that the cooling flow channel is arranged in a spiral way, and a receiving step 25 is arranged on the periphery of the cooling tank 2, the step surface of the receiving step 25 and the top surface of the flow guide rib 24 are positioned on the same plane, the cooling cover 15 is adjacent to the step surface and the top surface of the flow guide rib 24, the cooling cover 15 covers the outside of the cooling tank 2, and the cooling cover 15 and the shell 12 are welded by adopting a friction welding mode, so that the cooling flow passage is sealed.
And the vehicle-mounted charging module 31 is located at a position close to the first interface 146, the DC module 37 is connected with the bottom wall to realize corresponding heat transfer, and the DC module 37 is located at a position close to the second interface 147, when in use, because the vehicle-mounted charging module 31 generates a large amount of heat, the first interface 146 can be used as a cooling liquid inlet, and the second interface 147 can be used as a cooling liquid outlet.
The electric vehicle electrical component assembly 1 further comprises a transformation cover plate 41 and an input cover plate 42, wherein the transformation cover plate 41 covers the transformation containing cavity, the edge of the transformation cover plate 41 is connected with the partition wall 45 through a screw, the input cover plate 42 covers the input containing cavity, and the edge of the input cover plate 42 is connected with the partition wall 45 through a screw.
The edge of the variable pressure cover plate 41 is provided with a first extension wall 43, the first extension wall 43 is positioned above the partition wall 45 and extends in the same direction as the partition wall 45, the edge of the input cover plate 42 is provided with a second extension wall 44, the second extension wall 44 is positioned above the partition wall 45 and extends in the same direction as the partition wall 45, the first extension wall 43 and the second extension wall 44 are erected in the longitudinal direction and extend in the transverse direction, the inner ends of the first extension wall 43 and the second extension wall 44 are close to each other in the middle, and the outer ends of the first extension wall 43 and the second extension wall 44 are close to the side wall of the housing 12. The first extension wall 43 is provided with a wire gap 413 in the transverse direction.
The variable-pressure cover plate 41 is provided with a second wiring notch 411 and a plurality of wiring holes 412, the second wiring notch 411 and the plurality of wiring holes 412 are all penetrated in the vertical direction, the second wiring notch 411 is located at a position close to the partition wall 45, the second wiring notch 411 is communicated with the variable-pressure accommodating cavity, and the plurality of wiring holes 412 are located at the periphery and are respectively used for being connected with the DC module 37 and the output filter module 39. The input cover plate 42 is also provided with a threading hole 421, and the threading hole 421 is communicated with the input accommodating cavity and is used for threading and connecting with the input filtering module 38.
The charging control module 32 is located above the vehicle-mounted charging module 31, and the charging control module 32 is located at a position between the first extension wall 43, the second extension wall 44, and the side wall of the housing 12. The capacitor module 34, the wiring board 36, the relay 33, and the safety module 35 are all disposed on the transformer cover plate 41, the capacitor module 34, the wiring board 36, the relay 33, and the safety module 35 are all located on one side of the first extension wall 43, and the charging control module 32 is located on the other side of the first extension wall 43.
The side wall of the casing 12 is provided with a charging interface 141, the side wall of the casing 12 on the opposite side of the charging interface 141 is provided with a battery interface 145, an electric control interface 144, an output interface 143 and a signal interface 142, the capacitor module 34 and the relay 33 are close to the charging interface 141, the charging interface 141 can realize a quick charging function, on-off control is performed through the connection relay 33, and filtering processing is performed nearby through the capacitor module 34. Wiring circuit board 36 and insurance module 35 are located and are close to battery interface 145 and automatically controlled interface 144, wiring circuit board 36 is located the top of vary voltage apron 41, insurance module 35 sets up the top at wiring circuit board 36, be provided with on the base plate of wiring circuit board 36 and cover the copper circuit, it designs according to predetermineeing the circuit to cover the copper circuit, then through the line or the wire jumper respectively with the control module 32 that charges, electric capacity module 34, insurance module 35, DC module 37, input filter module 38 and output filter module 39 are connected, thereby avoid a large amount of wire jumpers to arrange. The output interface 143 and the signal interface 142 are located above the input cover 42.
The safety module 35 is used for being connected among the battery interface 145, the electronic control interface 144 and the output interface 143, the battery interface 145 is connected with a battery, the electronic control interface 144 is connected with a motor controller, the output interface 143 can be connected with a plurality of devices in the electric vehicle, such as an air conditioner and a heater, and the signal interface 142 is connected with the charging control module 32.
Moreover, the jack can be arranged in the cooling groove, the jack extends into the power heat conduction column, the inner end part of the heat pipe is inserted into the jack due to the fact that the power heat conduction column receives a large amount of waste heat of the power pipe, and the outer end part of the heat pipe extends to the outside and is located in the cooling groove, so that heat can be taken away quickly.
In addition, the inductance standing groove is provided with the cell wall, and the inside of the second deep groove is provided with the jack, and the jack stretches into inside the cell wall, and the tip inserts in the jack in the heat pipe, and the outer tip of heat pipe extends to the outside, and the outer tip of heat pipe is located the inside of the second deep groove, and the second deep groove department of flowing through when the coolant liquid, alright take away used heat rapidly. And, still be provided with the heat conduction post in the casing is inside, and the power tube can be pasted and carry out waste heat conduction near the heat conduction post, and the inside of heat conduction post can be provided with the jack, inserts the heat pipe in the jack, and the outer end of heat pipe extends to in the cooling bath, then also can improve heat conduction efficiency. The power heat-conducting column or the groove wall of the inductor placement groove can be used as the power heat-conducting column for the adjacent heat conduction of the power tube, and the purpose of the scheme is achieved.
The embodiment of the electric vehicle is as follows:
the electric motor car includes electric motor car electrical component assembly, battery, motor controller, motor and running gear of above-mentioned embodiment scheme.
From top to bottom, hold the chamber and the chamber is held to the vary voltage through charging that the branch was established, and these two cavitys separate through spacing wall and first extension wall, all set up on-vehicle module and the control module that charges and hold the chamber charging, hold the chamber with the DC module setting in the vary voltage, and close through the lid of vary voltage apron and seal, thereby improve the electromagnetic shield performance of assembly then improve equipment's operating stability, and through with the DC module, input filter module, the wiring circuit board, relay and insurance module layering stromatolite design, thereby optimize structural design and be favorable to small-size integrating.
In addition, the electric component assembly integrates a vehicle-mounted charging module and a DC module which mainly generate waste heat into a shell, the vehicle-mounted charging module can realize quick charging of a battery, the DC module can be connected with the battery and realize corresponding voltage conversion, and can be used for supplying power for an air conditioner, a heating module, a car lamp module and the like, a cooling groove is arranged on the outer side of the bottom wall, in order to reduce the overall thickness of the assembly as much as possible, a first deep groove is arranged at the position of a first interface and extends towards a power heat conduction column, so that not only can the cooling liquid be closer to a heat source to improve the heat dissipation efficiency, but also the set position of the first interface can be avoided, and a communicating groove is adopted at a second interface to realize corresponding avoidance, so that the groove depth of the cooling groove and the overall thickness of the assembly can be reduced, and the heat dissipation performance can be greatly. The arrangement of the second deep groove can enable the cooling liquid to be close to an internal heat source, so that the heat dissipation efficiency is improved, and the waste heat of the power heat conduction column can be rapidly conducted to the cooling groove through the high-efficiency heat conduction heat pipe, so that the heat dissipation efficiency is further improved. Through the design of accepting step and water conservancy diversion rib to make the cooling lid close the welding back, then form the runner that spirals, and first interface can be used to the coolant liquid entry, and the second interface is used for the coolant liquid export, then makes the on-vehicle module of charging that calorific capacity is big to lean on and connects first interface, thereby improves the radiating efficiency of on-vehicle module of charging.
Moreover, close the vary voltage through vary voltage apron lid and hold on the chamber then make the vary voltage hold the chamber airtight relatively, and close the input through the input apron lid and hold on the chamber then make the input hold the chamber airtight relatively, realize then that input filter module, on-vehicle module and the DC module of charging place the intracavity isolation and place at the device to improve electromagnetic shielding performance. The arrangement of the first extension wall and the second extension wall provides an isolation effect above the device placing cavity, so that the isolation of other devices is improved. The device modules are stably installed through the arrangement of the partition walls, the electromagnetic shielding effect among the modules is provided through the partition walls, and the modules are finely separated, so that the stability of the modules is improved. The arrangement of the connecting line gap allows the connecting line to pass through and be connected among the modules, and then the electromagnetic shielding effect among the modules is not influenced.
Claims (10)
1. An electric vehicle electrical component assembly with electromagnetic shielding in a cavity comprises a shell, a cover body, an input filtering module, a vehicle-mounted charging module and a DC module, wherein the shell is provided with a device placing cavity;
the method is characterized in that:
a partition wall is arranged in the shell and divides the device accommodating cavity into a charging accommodating cavity, a voltage transformation accommodating cavity and an input accommodating cavity, the input filtering module is arranged in the input accommodating cavity, the vehicle-mounted charging module is arranged in the charging accommodating cavity, and the DC module is arranged in the voltage transformation accommodating cavity;
the electric vehicle electrical component assembly further comprises a transformation cover plate and an input cover plate, the transformation cover plate covers the transformation containing cavity, the edge of the transformation cover plate is connected with the partition wall, the input cover plate covers the input containing cavity, and the edge of the input cover plate is connected with the partition wall.
2. The electric vehicle electrical component assembly of claim 1, wherein:
the edge of the transformation cover plate is provided with a first extension wall, and the first extension wall is positioned above the partition wall and extends in the same direction with the partition wall.
3. The electric vehicle electrical component assembly of claim 2, wherein:
the electric vehicle electrical component assembly comprises a charging control module, and the charging control module is positioned above the vehicle-mounted charging module.
4. The electric vehicle electrical component assembly of claim 3, wherein:
the electric vehicle electrical component assembly comprises a wiring circuit board and a capacitor module, wherein the wiring circuit board and the capacitor module are arranged above the transformer cover plate;
the first extended wall is located between the capacitance module and the charging control module.
5. The electric vehicle electrical component assembly of claim 2, wherein:
and a second extension wall is arranged at the edge of the input cover plate, is positioned above the partition wall and extends in the same direction with the partition wall.
6. The electric vehicle electrical component assembly of claim 1, wherein:
the partition wall comprises a first partition wall, a second partition wall and a third partition wall, the first partition wall, the second partition wall and the third partition wall are connected in the middle of the shell in an intersecting manner, the first partition wall, the second partition wall and the inner peripheral wall of the shell enclose the variable-pressure accommodating cavity, the first partition wall, the third partition wall and the inner peripheral wall of the shell enclose the charging accommodating cavity, and the second partition wall, the third partition wall and the inner peripheral wall of the shell enclose the input accommodating cavity.
7. The electric vehicle electrical component assembly of claim 6, wherein:
the partition wall further comprises a fourth partition wall, the fourth partition wall is arranged in the variable-pressure containing cavity, the electric vehicle electrical component assembly comprises an output filtering module, the output filtering module is arranged in the variable-pressure containing cavity between the fourth partition wall and the second partition wall, and the DC module is arranged in the variable-pressure containing cavity between the first partition wall and the fourth partition wall.
8. The electric vehicle electrical component assembly of claim 7, wherein:
and a first connecting line notch is formed in the fourth partition wall.
9. The electric vehicle electrical component assembly as recited in any one of claims 1 to 8, wherein:
the transformation cover plate is provided with a second connecting notch which is communicated with the transformation containing cavity.
10. An electric vehicle comprising the electric vehicle electrical component assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020471186.XU CN211630737U (en) | 2020-04-02 | 2020-04-02 | Electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020471186.XU CN211630737U (en) | 2020-04-02 | 2020-04-02 | Electric motor car electrical component assembly and electric motor car of intracavity electromagnetic shield |
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| CN211630737U true CN211630737U (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115996535A (en) * | 2023-03-23 | 2023-04-21 | 成都雷电微力科技股份有限公司 | Ka frequency band power amplifier architecture |
-
2020
- 2020-04-02 CN CN202020471186.XU patent/CN211630737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115996535A (en) * | 2023-03-23 | 2023-04-21 | 成都雷电微力科技股份有限公司 | Ka frequency band power amplifier architecture |
| CN115996535B (en) * | 2023-03-23 | 2023-08-08 | 成都雷电微力科技股份有限公司 | Ka frequency band power amplifier architecture |
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