CN211860755U - Integrated form electric vehicle controller - Google Patents
Integrated form electric vehicle controller Download PDFInfo
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- CN211860755U CN211860755U CN202020540282.5U CN202020540282U CN211860755U CN 211860755 U CN211860755 U CN 211860755U CN 202020540282 U CN202020540282 U CN 202020540282U CN 211860755 U CN211860755 U CN 211860755U
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Abstract
The utility model relates to an integrated form electric vehicle controller, including mutually supporting base and upper cover, installation circuit board between the two: the power tube is arranged at the rear edge of the upper surface of the PCB, a wiring terminal is arranged on the PCB in front of the power tube, and a capacitor is arranged on the PCB in front of the wiring terminal; the front edge of the upper surface of the PCB is provided with a connector and also comprises an inductor; a foam ring is arranged between the base and the PCB, a filling hole is formed in the PCB positioned on the bottom surface of the inductor, heat-conducting glue is filled between the base and the PCB through the filling hole, and the heat-conducting glue is contained in the inner wall of the foam ring; the utility model discloses link to outside battery's positive pole after one of them electric capacity and inductance in proper order, link to the control circuit of controller on to with the boost circuit integration to the controller, the overall arrangement is compact reasonable, has promoted system efficiency and equipment integration degree greatly, has optimized the controller technology, and has prevented the vibrations in the inductance working process when effectively solving inductance heat dissipation problem.
Description
Technical Field
The utility model belongs to the technical field of electric vehicle controller technique and specifically relates to an integrated form electric vehicle controller.
Background
With the popularization of the concepts of green, environmental protection, energy conservation and sustainable development, the green vehicles have already come to the rapid development period, and the electric vehicle becomes a green and environment-friendly tool suitable for short trips in cities. The controller is one of four important parts of the electric vehicle, and is mainly used for converting a direct-current power supply output by the storage battery into a three-phase alternating-current power supply and driving the motor to rotate.
Because the electric vehicle is powered by a battery, the efficiency requirement on a driving system is very high, but the electric vehicle on the market still has the problems of low-speed running efficiency, small torque under a high-speed running working condition, insufficient speed range and the like, which are difficult to give consideration to comprehensively. The technical problem is solved by providing a boost speed regulation circuit by technicians, and the problem of torque reduction when a motor runs at a high speed is solved.
The boost speed regulation circuit is used as a part of an electric vehicle controller and is used for boosting the input voltage and outputting the boosted input voltage to a motor for use. In the prior art, the boost speed regulation circuit is installed on the electric vehicle as an independent module independent of the electric vehicle controller, so that a control system of the electric vehicle needs to additionally increase a plurality of devices, components and wires, the equipment cost and the production cost are increased, the power consumption of the system is increased, and the electromagnetic compatibility characteristic of the system is influenced.
SUMMERY OF THE UTILITY MODEL
The applicant provides an integrated electric vehicle controller with a reasonable structure aiming at the defects in the prior art, so that a booster circuit is effectively integrated into the controller, the booster circuit of a three-phase motor and the prior drive control circuit are jointly accommodated in the controller, the layout is reasonable and compact, the integral integration level of the controller is greatly improved, and the process of the controller is optimized while the integration is carried out.
The utility model discloses the technical scheme who adopts as follows:
an integrated electric vehicle controller comprises a base and an upper cover which are matched with each other, wherein a circuit board is arranged between the base and the upper cover;
the structure of the circuit board is as follows: the power tube is arranged at the rear edge of the upper surface of the PCB, a wiring terminal is arranged on the PCB in front of the power tube, and a capacitor is arranged on the PCB in front of the wiring terminal; the PCB board upper surface front edge installs the connector, still includes the inductance.
As a further improvement of the above technical solution:
the number of the capacitors is more than two, namely a first capacitor and a second capacitor, and the number of the power tubes is three groups or more, namely a first power tube, a second power tube and a third power tube; the inductor is connected with the first capacitor in series, one end of the series circuit is connected with the anode of an external storage battery, the other end of the series circuit is connected with the collector of the first power tube and the emitter of the second power tube, the emitter of the first power tube is connected with the cathode of the storage battery, the collector of the second power tube is connected with one end of the second capacitor, and the other end of the second capacitor is connected with the cathode of the storage battery, so that a booster circuit of the storage battery is formed; and two ends of the second capacitor are connected with two ends of a third power tube, and the third power tube is connected to U, V, W three phases of an external three-phase motor through a wiring terminal to form a driving control circuit of the controller three-phase motor.
A foam ring is arranged between the base below the inductor and the PCB, a filling hole is formed in the PCB on the bottom surface of the inductor, heat-conducting glue is filled between the base and the PCB through the filling hole, and the heat-conducting glue is contained in the inner wall surface of the foam ring; and after the foam ring is filled with heat-conducting glue, the foam ring is continuously filled with the heat-conducting glue until the center of the inductor is filled with the heat-conducting glue.
The axis of the foam ring and the axis of the inductor are positioned on the same straight line.
The structure of the upper cover is as follows: the cover comprises a cover body with a concave middle part, wherein the peripheral edge of the cover body is attached to a base, and a closed space for accommodating a circuit board is formed between the cover body and the base; the cover body is provided with a terminal hole corresponding to the wiring terminal, and the wiring terminal penetrates through the terminal hole upwards; the cover body is provided with grid holes corresponding to the connectors, and the connectors stretch into the grid holes from bottom to top.
And a cover plate is locked on the upper cover above the terminal hole.
The rear edge of the base extends upwards to form a side plate, the side plate is fixedly connected with the power tube through an integrated clamping spring piece, and the clamping spring piece is clamped on the side face of the side plate, which is opposite to the power tube.
Insulating cloth is arranged between the side plates and the side faces opposite to the power tubes; the side plate is contained at the inner side of the upper cover.
The upper surface of the base is provided with a silica gel groove along the peripheral edge, the lower edge of the upper cover extends into the silica gel groove, and the silica gel groove is filled with waterproof silica gel; the bottom surface of the base is provided with a through heat dissipation groove along the front-back direction.
And a copper bar is arranged on the circuit board between the power tube and the wiring terminal.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, through inductance on the PCB board, electric capacity, binding post, the power tube, the rational arrangement of copper bar and connector, the components and parts that step up the three-phase motor are effectively integrated to electric vehicle controller in, make the boost circuit of three-phase motor and current drive control circuit hold inside the controller jointly, and upper cover and the base that matches each other according to the rationally distributed adjustment of PCB board, when improving the whole integrated level of controller greatly, its volume of effective control is big, optimize its technology, the practicality is good, customer use experience has been guaranteed.
The utility model discloses still include following advantage:
the utility model discloses well boost circuit and current drive control circuit share positive negative power supply binding post, have effectively reduced too much wiring when rationally integrating boost circuit to reduce the system consumption, improved system efficiency and system electromagnetic compatibility characteristic, practiced thrift the wiring cost, guaranteed the holistic compactedness of control system;
the foam ring is used for preventing the leakage of the heat-conducting glue, and the heat-conducting glue is poured between the base and the PCB and between the base and the center of the inductor through the pouring hole, so that a low-thermal-resistance channel between the inductor and the base and between the power circuit and the base is formed, and the heat dissipation problem of the inductor and the power circuit is effectively solved; meanwhile, the curing effect of the heat-conducting glue can also effectively prevent the vibration generated by the inductor in the operation process, and the damping effect is obvious;
the integrated clamping spring piece structure is simple and convenient, effectively simplifies the installation of the power tube and improves the installation efficiency, and is suitable for power tubes with different section difference sizes while realizing quick clamping and fixing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is a schematic structural diagram of the circuit board of the present invention.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a schematic connection diagram of the boost circuit of the present invention.
Fig. 6 is a schematic structural view of the upper cover of the present invention.
Wherein: 1. a base; 2. waterproof silica gel; 3. a cotton ring is soaked; 4. a circuit board; 5. insulating cloth; 6. a clamping spring piece; 7. an upper cover; 8. a cover plate; 9. a storage battery; 10. a three-phase motor; 11. a side plate; 12. a silica gel groove; 13. a heat sink; 41. a PCB board; 42. an inductance; 43. a capacitor; 44. a wiring terminal; 45. a power tube; 46. a copper bar; 47. a connector assembly; 411. a perfusion hole; 431. a first capacitor; 432. a second capacitor; 451. a first power tube; 452. a second power tube; 453. a third power tube; 71. a cover body; 72. a grid hole; 73. and a terminal hole.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and fig. 2, the integrated electric vehicle controller of the present embodiment includes a base 1 and an upper cover 7, which are matched with each other, and a circuit board 4 is installed between the base 1 and the upper cover 7;
as shown in fig. 3 and 4, the circuit board 4 has a structure in which: the PCB comprises a PCB 41, wherein a power tube 45 is arranged at the rear edge of the upper surface of the PCB 41, a wiring terminal 44 is arranged on the PCB 41 in front of the power tube 45, and a capacitor 43 is arranged on the PCB 41 in front of the wiring terminal 44; the front edge of the upper surface of the PCB 41 is mounted with a connector 47 and further includes an inductor 42.
The number of the capacitors 43 is two or more, namely, a first capacitor 431 and a second capacitor 432, respectively, and as shown in fig. 5, the number of the power tubes 45 is three or more, namely, a first power tube 451, a second power tube 452 and a third power tube 453, respectively; the inductor 42 is connected in series with the first capacitor 431, one end of the series circuit is connected with the positive electrode of the external storage battery 9, the other end of the series circuit is connected with the collector of the first power tube 451 and the emitter of the second power tube 452, the emitter of the first power tube 451 is connected with the negative electrode of the storage battery 9, the collector of the second power tube 452 is connected with one end of the second capacitor 432, and the other end of the second capacitor 432 is connected with the negative electrode of the storage battery 9, so that a booster circuit of the storage battery 9 is formed; both ends of the second capacitor 432 are connected to both ends of a third power tube 453, and the third power tube 453 is connected to the U, V, W three phases of the external three-phase motor 10 through a connection terminal 44, so as to form a driving control circuit of the controller three-phase motor 10; thereby, the connection between the booster circuit and the drive control circuit of the conventional three-phase motor 10 is realized, and both are integrated into the controller as shown in fig. 5.
Through reasonable layout of the inductor 42, the capacitor 43, the wiring terminal 44, the power tube 45, the connector 47 and the copper bar 46 on the PCB 41, components are effectively integrated into the electric vehicle controller, and the boost circuit and the existing drive control circuit share the wiring terminal 44 of a positive power supply and a negative power supply, excessive wiring is effectively reduced while the boost circuit is reasonably integrated, so that system power consumption is reduced, system efficiency and system electromagnetic compatibility characteristics are improved, wiring cost is saved, and the integral compactness of the controller is ensured.
A foam ring 3 is arranged between the base 1 and the PCB 41 below the inductor 42, a filling hole 411 is formed in the PCB 41 on the bottom surface of the inductor 42, heat-conducting glue is filled between the base 1 and the PCB 41 through the filling hole 411 and is contained in the inner wall surface of the foam ring 3; after the foam ring 3 is filled with sufficient heat-conducting glue, the heat-conducting glue is continuously poured into the center of the inductor 42 until the center of the inductor 42 is filled with the heat-conducting glue; the foam ring 3 is used for preventing the leakage of the heat-conducting glue, and the heat-conducting glue is poured between the base 1 and the PCB 41 and between the inductor 42 and the center of the PCB through the pouring hole 411, so that a low-thermal-resistance channel between the inductor 42 and the base 1 and between the power circuit and the base 1 is formed, and the heat dissipation problem of the inductor 42 and the power circuit is effectively solved; meanwhile, the curing effect of the heat-conducting glue can also effectively prevent the vibration generated in the operation process of the inductor 42, and the damping effect is obvious.
The axis of the foam ring 3 is aligned with the axis of the inductor 42.
As shown in fig. 6, the upper cover 7 has the following structure: the circuit board protection cover comprises a cover body 71 with a concave middle part, wherein the peripheral edge of the cover body 71 is attached to a base 1, and a closed space for accommodating a circuit board 4 is formed between the cover body 71 and the base 1; the cover body 71 is provided with a terminal hole 73 corresponding to the wiring terminal 44, and the wiring terminal 44 upwards penetrates through the terminal hole 73; the cover body 71 is provided with a grid hole 72 corresponding to the connector 47, and the connector 47 extends into the grid hole 72 from bottom to top.
A cover plate 8 is locked on the upper cover 7 above the terminal hole 73, and the cover plate 8 is used for covering the wiring terminal 44 in the terminal hole 73 so as to play a role of protection; the top surface of the upper cover 7 on the side of the cover plate 8 is provided with a mark for identifying the corresponding terminal 44.
A side plate 11 is formed by extending the back edge of the base 1 upwards, the side plate 11 is fixedly connected with the power tube 45 through an integrated clamping spring 6, and the clamping spring 6 is clamped on the side surface of the side plate 11 opposite to the power tube 45; the integrated clamp spring piece 6 is suitable for the power tubes 45 with different section difference sizes while realizing quick clamping and fixing, is simple and convenient, effectively simplifies the installation of the power tubes 45 and improves the installation efficiency.
An insulating cloth 5 is arranged between the side plates 11 and the side faces opposite to the power tubes 45; the side plate 11 is housed inside the upper cover 7.
The upper surface of the base 1 is provided with a silica gel groove 12 along the peripheral edge, the lower edge of the upper cover 7 extends into the silica gel groove 12, the silica gel groove 12 is filled with waterproof silica gel 2, and the waterproof silica gel 2 ensures the sealing performance of the joint of the upper cover 7 and the base 1; the bottom surface of the base 1 is provided with a through heat dissipation groove 13 along the front-back direction, so as to be beneficial to the heat dissipation of the controller.
A copper strip 46 is mounted on the circuit board 4 between the power tube 45 and the terminal 44.
The utility model discloses compact structure is reasonable, effectively with outside three phase motor's boost circuit integration to the controller in, whole integrated level is high, and the practicality is good.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. An integrated electric vehicle controller, includes mutually supporting base (1) and upper cover (7), its characterized in that: a circuit board (4) is arranged between the base (1) and the upper cover (7);
the structure of the circuit board (4) is as follows: the power supply comprises a PCB (41), wherein a power tube (45) is arranged at the rear edge of the upper surface of the PCB (41), a wiring terminal (44) is arranged on the PCB (41) in front of the power tube (45), and a capacitor (43) is arranged on the PCB (41) in front of the wiring terminal (44); the PCB comprises a PCB board (41), wherein a connector (47) is installed at the front edge of the upper surface of the PCB board, and the PCB further comprises an inductor (42).
2. An integrated electric vehicle controller as claimed in claim 1, wherein: the number of the capacitors (43) is more than two, namely a first capacitor (431) and a second capacitor (432), and the number of the power tubes (45) is three or more, namely a first power tube (451), a second power tube (452) and a third power tube (453); the inductor (42) is connected with a first capacitor (431) in series, one end of the series circuit is connected with the positive electrode of an external storage battery (9), the other end of the series circuit is connected with the collector electrode of a first power tube (451) and the emitter electrode of a second power tube (452), the emitter electrode of the first power tube (451) is connected with the negative electrode of the storage battery (9), the collector electrode of the second power tube (452) is connected with one end of a second capacitor (432), and the other end of the second capacitor (432) is connected with the negative electrode of the storage battery (9), so that a booster circuit of the storage battery (9) is formed; two ends of the second capacitor (432) are connected with two ends of a third power tube (453), and the third power tube (453) is connected to U, V, W three phases of an external three-phase motor (10) through a connecting terminal (44) to form a driving control circuit of the controller three-phase motor (10).
3. An integrated electric vehicle controller as claimed in claim 1, wherein: a foam ring (3) is arranged between the base (1) and the PCB (41) below the inductor (42), a filling hole (411) is formed in the PCB (41) on the bottom surface of the inductor (42), heat-conducting glue is filled between the base (1) and the PCB (41) through the filling hole (411), and the heat-conducting glue is contained in the inner wall surface of the foam ring (3); and (3) after the foam ring (3) is filled with heat-conducting glue, the heat-conducting glue is continuously poured into the center of the inductor (42) until the center of the inductor (42) is filled with the heat-conducting glue.
4. An integrated electric vehicle controller as claimed in claim 3, wherein: the axis of the foam ring (3) and the axis of the inductor (42) are positioned on the same straight line.
5. An integrated electric vehicle controller as claimed in claim 1, wherein: the structure of the upper cover (7) is as follows: the circuit board packaging structure comprises a cover body (71) with a concave middle part, wherein the peripheral edge of the cover body (71) is attached to a base (1), and a closed space for accommodating a circuit board (4) is formed between the cover body (71) and the base (1); the cover body (71) is provided with a terminal hole (73) corresponding to the wiring terminal (44), and the wiring terminal (44) penetrates through the terminal hole (73) upwards; the cover body (71) is provided with a grid hole (72) corresponding to the connector (47), and the connector (47) extends into the grid hole (72) from bottom to top.
6. An integrated electric vehicle controller as claimed in claim 5, wherein: a cover plate (8) is locked on the upper cover (7) above the terminal hole (73).
7. An integrated electric vehicle controller as claimed in claim 1, wherein: the rear edge of the base (1) extends upwards to form a side plate (11), the side plate (11) is fixedly connected with the power tube (45) through an integrated clamping spring piece (6), and the clamping spring piece (6) is clamped on the side face, back to back, of the side plate (11) and the power tube (45).
8. An integrated electric vehicle controller as claimed in claim 7, wherein: an insulating cloth (5) is arranged between the side plates (11) and the side faces opposite to the power tubes (45); the side plate (11) is contained inside the upper cover (7).
9. An integrated electric vehicle controller as claimed in claim 1, wherein: the upper surface of the base (1) is provided with a silica gel groove (12) along the peripheral edge, the lower edge of the upper cover (7) extends into the silica gel groove (12), and the silica gel groove (12) is filled with waterproof silica gel (2); the bottom surface of the base (1) is provided with a through heat dissipation groove (13) along the front-back direction.
10. An integrated electric vehicle controller as claimed in claim 1, wherein: a copper bar (46) is arranged on the circuit board (4) between the power tube (45) and the wiring terminal (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540282.5U CN211860755U (en) | 2020-04-13 | 2020-04-13 | Integrated form electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540282.5U CN211860755U (en) | 2020-04-13 | 2020-04-13 | Integrated form electric vehicle controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211860755U true CN211860755U (en) | 2020-11-03 |
Family
ID=73144222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020540282.5U Active CN211860755U (en) | 2020-04-13 | 2020-04-13 | Integrated form electric vehicle controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211860755U (en) |
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2020
- 2020-04-13 CN CN202020540282.5U patent/CN211860755U/en active Active
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Address after: No.59-10 xiuxi Road, Wuxi City, Jiangsu Province, 214125 Patentee after: Wuxi Lingbo Electronic Technology Co.,Ltd. Address before: No.59-10 xiuxi Road, Wuxi City, Jiangsu Province, 214125 Patentee before: WUXI LINGBO ELECTRONIC TECHNOLOGY Co.,Ltd. |