CN213754368U - Motor controller and vehicle with same - Google Patents

Abstract

The utility model discloses a machine controller and vehicle that has it, machine controller includes: the capacitor pre-setting device comprises a box body, a plurality of capacitors and a plurality of capacitors, wherein a mounting cavity is defined in the box body and comprises a plurality of capacitor pre-setting spaces; the installation cavity is provided with different numbers of capacitor preset spaces so as to assemble the capacitors with different volumes. According to the utility model discloses machine controller, electric capacity that can compatible different power has advantages such as application scope is wide, low in production cost.

Description

Motor controller and vehicle with same

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to a machine controller and vehicle that has it are related to.

Background

Vehicles in the related art, especially new energy vehicles, are usually provided with a motor controller, but due to the difference of performance parameters of each vehicle, the power of capacitors required by the motor controller is different, the power of the capacitors is affected by the size of the capacitors, and the capacitors with different sizes need corresponding installation spaces, so that the motor controller can only be suitable for corresponding vehicle types, and different motor controllers need to be designed for different vehicle types, and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide a motor controller, which is compatible with capacitors with different powers, and has the advantages of wide application range, low production cost, etc.

The utility model discloses still provide a vehicle that has above-mentioned machine controller.

In order to achieve the above object, according to a first aspect of the present invention, a motor controller is provided, including: the capacitor pre-setting device comprises a box body, a plurality of capacitors and a plurality of capacitors, wherein a mounting cavity is defined in the box body and comprises a plurality of capacitor pre-setting spaces; the installation cavity is provided with different numbers of capacitor preset spaces so as to assemble the capacitors with different volumes.

According to the utility model discloses machine controller, electric capacity that can compatible different power has advantages such as application scope is wide, low in production cost.

According to some embodiments of the utility model, the box with one in the electric capacity is equipped with first mounting groove and another is equipped with first installation muscle, first installation muscle peg graft in first mounting groove.

According to the utility model discloses a some embodiments, the box is equipped with a plurality ofly first mounting groove, electric capacity is equipped with a plurality ofly first installation muscle, it is a plurality of first mounting groove and a plurality of first installation muscle is pegged graft one-to-one.

According to the utility model discloses a some embodiments, it is a plurality of first mounting groove distribute in the relative both sides wall of installation cavity, it is a plurality of first installation muscle distribute in the relative both sides of electric capacity.

According to the utility model discloses a some embodiments, electric capacity pass through the insulating cement install in the installation cavity, the heat conduction efficiency of insulating cement is greater than the heat conduction efficiency of air.

According to some embodiments of the present invention, the motor controller further comprises: the copper bar fixing seat is arranged in the mounting cavity; the capacitor is provided with a rubber baffle plate, the rubber baffle plate is located on the back of the capacitor, one side of the copper bar fixing seat is installed on the box body, and the insulating glue is arranged between the copper bar fixing seat and the rubber baffle plate.

According to some embodiments of the utility model, the box with one of copper bar fixing base is equipped with the second mounting groove and another is equipped with second installation muscle, second installation muscle peg graft in the second mounting groove.

According to some embodiments of the present invention, the motor controller further comprises: the power module is installed in the installation cavity, and the box body is provided with a heat dissipation cooling water channel for the power module and the capacitor.

According to some embodiments of the present invention, a plurality of heat dissipation pins are disposed on a surface of the power module facing the cooling water channel, an opening communicating with the cooling water channel is disposed on an inner wall of the mounting cavity, the plurality of heat dissipation pins extend into the cooling water channel through the opening, and the opening is covered by the power module; the power module is towards the one side of cooling water course is equipped with waterproof apron, and is a plurality of the heat dissipation needle is formed at waterproof apron, waterproof apron closing cap the uncovered.

According to some embodiments of the present invention, the motor controller further comprises: the driving board and the power module are integrated into a whole and are arranged in the mounting cavity; the copper bar fixing seat is installed in the installation cavity, and the copper bar fixing seat and the capacitor are respectively located on two sides of the power module.

According to some embodiments of the present invention, the motor controller further comprises: a current sensor welded to the drive control board; the low-voltage plug connector is welded on the drive control board; wherein the drive control board and the power module are integrated into a whole by welding.

According to the utility model discloses a second aspect embodiment provides a vehicle, include according to the utility model discloses a motor controller of first aspect embodiment.

According to the utility model discloses a vehicle of second aspect embodiment, through utilizing according to the utility model discloses a first aspect embodiment machine controller, have advantages such as low in production cost.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a motor controller according to an embodiment of the present invention.

Fig. 2 is an internal structure diagram of a motor controller according to an embodiment of the present invention.

Fig. 3 is an exploded view of a motor controller according to an embodiment of the present invention.

Fig. 4 is an assembly view of a case and a capacitor of a motor controller according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a box of a motor controller according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a capacitor of a motor controller according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a power module of a motor controller according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a copper bar fixing seat of a motor controller according to the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a drive control board of a motor controller according to an embodiment of the present invention.

Reference numerals:

the motor controller 1, the box 100, the installation cavity 110, the capacitor preset space 111, the first installation groove 120, the second installation groove 130, the cover body 140, the capacitor 200, the first installation rib 210, the rubber blocking plate 220, the threaded fastener 230, the copper bar fixing seat 300, the second installation rib 310, the three-phase alternating current copper bar 320, the direct current magnetic ring 330, the hall copper column 340, the power module 400, the heat dissipation pin 410, the waterproof cover plate 420, the drive control panel 500, the current sensor 600, the low-voltage plug connector 700, the low-voltage plug connector 710, the electronic control cover 800 and the opening 900.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more.

The following describes a motor controller 1 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 9, the motor controller 1 includes a case 100 and a capacitor 200.

The cabinet 100 is defined therein with a mounting cavity 110, the mounting cavity 110 includes a plurality of capacitor pre-arrangement spaces 111, and the mounting cavity 110 is configured with capacitors 200 of different volumes by adopting different numbers of capacitor pre-arrangement spaces 111.

The capacitor 200 is connected to an external power source for energy storage and filtering. The case 100 may include a cover 140 for covering the mounting cavity 110, the cover 140 detachably mounting the case 100.

It should be understood by those skilled in the art that, a plurality of capacitor pre-setting spaces 111 are provided in the installation cavity 110, and the motor controller 1 needs to design the power of the capacitor 200 which may need to be used before production, and calculates the volume of the capacitor 200 for each power, typically the power of the capacitor 200 is proportional to the volume, in the case of manufacturing the casing 100, the sum of the volumes of the plurality of capacitor presetting spaces 111 cannot be smaller than the volume of the maximum power capacitor 200, for example, the motor controller 1 may employ the capacitors 200 of N powers, it is possible to provide N capacitance pre-setting spaces 111 in the installation cavity 110, and when the minimum power of the capacitor 200 is used, one capacitance pre-setting space 111 is used to assemble the capacitor 200, when the second smallest power capacitor 200 is used, two capacitor lead-throughs 111 are used to assemble the capacitor 200 … … and so on, when the capacitor 200 having the maximum power is used, the capacitor 200 is assembled using the entire capacitor pre-arrangement space 111.

In some embodiments of the present invention, the capacitor 200 may also be composed of a plurality of sub-capacitors, and the sub-capacitors with different numbers are assembled through the capacitor pre-setting space 111 with different numbers, so as to adjust the overall power of the capacitor 200.

According to the utility model discloses motor controller 1, through injecing to have installation cavity 110 in box 100, and installation cavity 110 includes that a plurality of electric capacity preset space 111, installation cavity 110 presets space 111 through the electric capacity that adopts different quantity with the electric capacity 200 of assembling different volumes, compare in the box of capacitor installation space by fixed restriction among the correlation technique, because box 100 is provided with a plurality of electric capacity preset space 111, consequently can assemble the electric capacity 200 of different power according to the performance demand of whole car system, the volume that electric capacity 200 can not appear can't install in the condition of installation cavity 110 along with power increase, therefore, motor controller 1 can be applicable to different motorcycle types, and to different motorcycle types, need not to redesign different motor controller, thereby reduce manufacturing cost by a wide margin.

Therefore, according to the utility model discloses motor controller 1, the electric capacity that can compatible different power has advantages such as application scope is wide, low in production cost.

According to some embodiments of the present invention, as shown in fig. 3, 5 and 6, one of the box 100 and the capacitor 200 is provided with a first mounting groove 120 and the other is provided with a first mounting rib 210, and the first mounting rib 210 is inserted into the first mounting groove 120. Thus, the box body 100 and the capacitor 200 are simply installed, and the assembly efficiency is high.

Further, the box body 100 is provided with a plurality of first mounting grooves 120, the capacitor 200 is provided with a plurality of first mounting ribs 210, and the plurality of first mounting grooves 120 and the plurality of first mounting ribs 210 are plugged in a one-to-one correspondence manner. In this way, while ensuring simple assembly between the case 100 and the capacitor 200, the connection strength and the stability of the relative position between the case 100 and the capacitor 200 can be improved.

Further, the first mounting grooves 120 are disposed on two opposite sidewalls of the mounting cavity 110, and the first mounting ribs 210 are disposed on two opposite sides of the capacitor 200. Thus, the capacitor 200 and the box 100 are connected from two opposite sides of the capacitor 200, the stress of the whole capacitor 200 is uniform, the moment of the whole capacitor 200 is symmetrical about the center of the capacitor 200, and therefore the capacitor 200 is not easy to damage and the relative position between the capacitor 200 and the box 100 is more stable.

For example, the first mounting grooves 120 are two and distributed on two opposite sidewalls of the mounting cavity 110 in the width direction, the first mounting ribs 210 are respectively disposed on two sides of the corresponding position of the capacitor 200, and the two first mounting ribs 210 are correspondingly inserted into the two first mounting grooves 120.

According to the utility model discloses a some embodiments, electric capacity 200 is installed in installation cavity 110 through the insulating cement, and the heat conduction efficiency of insulating cement is greater than the heat conduction efficiency of air, and electric capacity 200 can transmit the heat to the lateral wall of installation cavity 110 through the insulating cement, improves the radiating efficiency. For example, the capacitor 200 and the case 100 are pre-positioned, and then the insulating glue is poured into the mounting cavity 110 to fix the position between the capacitor 200 and the case 100. The capacitor 200 comprises a direct-current bus copper bar, the structure stability of the capacitor 200 is improved through insulating cement, the heat conduction efficiency of the insulating cement is better, the direct-current bus copper bar is in contact with the insulating cement, the heat exchange efficiency of the direct-current bus copper bar is also improved, the thickness of the direct-current bus copper bar can be reduced, the material cost of the capacitor 200 can be reduced, and the current carrying capacity and the heat dissipation capacity of the direct-current bus copper bar are improved. And the insulating cement has insulating ability, and the surface of direct current generating line copper bar is wrapped up to the insulating cement, can improve the structural strength of direct current generating line copper bar and the electric leakage probability of direct current generating line copper bar, reduces the ann rule risk of direct current generating line copper bar.

In addition, the capacitor 200 is fixed by the insulating glue, so that the shell of the capacitor 200 can be omitted, and the production cost is reduced. And the capacitor 200 requires a small installation space, improves the structural compactness of the motor controller 1, and is beneficial to the miniaturization of the motor controller 1.

Further, as shown in fig. 2-4 and 8, the motor controller 1 further includes a copper bar fixing seat 300, and the copper bar fixing seat 300 is installed in the installation cavity 110. Wherein, electric capacity 200 has fender offset plate 220, keeps off offset plate 220 and is located electric capacity 200 one side of the copper bar fixing base 300 of keeping away from and installs in box 100, for example, first installation muscle 210 sets up the both ends on the length direction of keeping off offset plate 220, and the insulating glue sets up between copper bar fixing base 300 and fender offset plate 220.

For example, the two opposite sidewalls of the copper bar fixing base 300, the glue blocking plate 220 and the mounting cavity 110 limit the flow of the insulation glue, and the sidewalls of the mounting cavity 110 are connected to the copper bar fixing base 300 and the glue blocking plate 220 respectively. The flowing space of the insulating adhesive can be limited, the waste of the insulating adhesive can be avoided, and the insulating adhesive can be prevented from fixing easily damaged parts, so that the motor controller 1 can be maintained and disassembled conveniently.

Specifically, one of the box 100 and the copper bar fixing seat 300 is provided with a second mounting groove 130 and the other is provided with a second mounting rib 310, the second mounting rib 310 is inserted into the second mounting groove 130, for example, the second mounting groove 130 may be located on a side wall of the box 100, and the second mounting rib 310 is located on one side of the copper bar fixing seat 300. Of course, the second mounting grooves 130 may also be distributed on two opposite side walls of the box body 100, and the second mounting ribs 310 are distributed on two opposite sides of the copper bar fixing seat 300, so that the box body 100 and the copper bar fixing seat 300 are convenient to assemble.

Still further, the capacitor 200 is further fastened to the case 100 by a threaded fastener 230. Therefore, before the capacitor 200 and the box body 100 are fixed through the insulating glue, the connection stability between the capacitor 200 and the box body 100 is high, and the reliability of the capacitor 200 is further improved.

According to some embodiments of the present invention, as shown in fig. 2-4 and fig. 7, the motor controller 1 further includes a power module 400, the power module 400 is installed in the installation cavity 110, the box 100 is provided with a cooling water channel (not shown in the figure) for dissipating heat of the power module 400 and the capacitor 200, wherein the capacitor 200 is in contact with the cooling water channel through an insulating adhesive, and the cooling water channel dissipates heat of the dc bus copper bar of the capacitor 200. So can improve the holistic radiating efficiency of machine controller 1, and then improve the holistic performance of machine controller 1.

Further, the face, facing the cooling water channel, of the power module 400 is provided with a plurality of heat dissipation needles 410, the inner wall of the mounting cavity 110 is provided with an opening 900 communicated with the cooling water channel, the plurality of heat dissipation needles 410 extend into the cooling water channel through the opening 900, and the opening 900 is covered by the power module 400. The heat dissipation pins 410 are integrally formed with the power module 400. The heat dissipation effect of the power module 400 is further improved.

Still further, a waterproof cover plate 420 is disposed on a surface of the power module 400 facing the cooling water channel, the plurality of heat dissipation pins 410 are formed on the waterproof cover plate 420, and the waterproof cover plate 420 covers the opening 900. Wherein, the heat dissipation pin 410, the waterproof cover plate 420 and the power module 400 are integrally formed. This prevents the coolant in the coolant passage from leaking into the mounting cavity 110 through the opening 900, and improves the reliability of the motor controller 1.

Specifically, the cooling water channel is formed by die casting. Therefore, the processing difficulty and the process cost can be reduced, and the sealing performance of the cooling water channel can be improved, so that the risk of leakage of cooling liquid from the cooling water channel is reduced.

According to some embodiments of the present invention, as shown in fig. 2-4 and fig. 9, the motor controller 1 further includes a power module 400, a driving board and a control board, the driving board and the control board are integrally formed as a driving control board 500, and the driving control board 500 and the power module 400 are integrated and installed in the installation cavity 110. Thus, the shielding structure and the PWM (pulse width modulation) line between the driving plate and the control plate can be saved, the overall height of the driving plate and the control plate is reduced, meanwhile, the assembly cost is reduced, the assembly procedures are reduced, and the module integration of the motor controller 1 is improved.

Further, the motor controller 1 further includes a copper bar fixing seat 300, the copper bar fixing seat 300 is installed in the installation cavity 110, and the copper bar fixing seat 300 and the capacitor 200 are respectively located on two sides of the power module 400.

The working principle of the motor controller 1 is described by way of example:

firstly, a direct current magnetic ring 330 is assembled on one side of the copper bar fixing seat 300, which faces away from the power module 400, the direct current magnetic ring 330 is sleeved on a lead between an external power supply and the capacitor 200, so that the overall electromagnetic compatibility (EMC) of the motor controller 1 can be improved, the capacitor 200 is provided with a direct current bus terminal connected with the external power supply, the direct current bus terminal is fixed on the copper bar fixing seat 300, the capacitor 200 further comprises a Y capacitor, and the overall electromagnetic compatibility of the motor controller 1 is further improved through the Y capacitor;

then, the capacitor 200 transmits the high-voltage direct current to the power module 400, the power module 400 converts the high-voltage direct current into alternating current through the function of the inverter functional circuit, the power module 400 transmits the alternating current to the three-phase alternating current copper bar 320 through the alternating current output terminal, and the three-phase alternating current copper bar 320 is installed on the copper bar fixing seat 300;

finally, the three-phase ac copper bar 320 outputs the ac power to an external load (e.g., a driving motor).

In some embodiments of the present invention, the ac magnetic ring can be installed on the copper bar fixing base 300, so as to further improve the overall electromagnetic compatibility of the motor controller 1. The motor controller 1 further comprises an electric control cover 800 for shielding the three-phase alternating-current copper bar 320, and the electric control cover 800 is detachably mounted on the box body 100 and used for preventing mistaken contact with the three-phase alternating-current copper bar 320.

Still further, as shown in fig. 1 to 3, 5 and 9, the motor controller 1 further includes a current sensor 600 and a low-voltage plug 700, the current sensor 600 is welded to the driving control board 500, and the low-voltage plug 700 is welded to the driving control board 500, wherein the driving control board 500 and the power module 400 are integrated into a whole by welding. Wherein, the current sensor 600 may be connected with a hall copper pillar 340.

For example, the side wall of the box 100 may be provided with a low-voltage socket 710, when the motor controller 1 is assembled, the driving control board 500 is firstly placed in the installation cavity 110, the low-voltage plug connector 700 is exposed out of the box 100 from the low-voltage socket 710, and through the arrangement of the low-voltage socket 710, the driving control board 500 may be installed in the box 100 in an inclined manner, so that the space required for assembly is reduced, the structure is more compact, and the space utilization rate is higher.

In some embodiments of the present invention, a design opening is reserved on the box 100 of the motor controller 1, for example, a mounting hole is reserved for a power distribution connector, a mounting hole is reserved for a low-voltage power connector, a mounting region is reserved for a quick-charging connector, a mounting region is reserved for a range-extending connector, a space is reserved for a low-voltage power supply, a space is reserved for a power distribution insurance, a space is reserved for a mounting region, a safety guard is reserved for a fixing point, and a power distribution copper bar is reserved for a via hole. Through above-mentioned design mouth like this, motor controller 1 can possess the distribution, fill soon, functions such as insurance, DC and independent assortment use, the utility model discloses a motor controller 1 has opening, suitability and compatibility more.

A vehicle according to an embodiment of the present invention is described below with reference to the drawings, the vehicle including the motor controller 1 according to the above-described embodiment of the present invention.

According to the utility model discloses vehicle, through utilizing according to the utility model discloses motor controller 1 has advantages such as low in production cost.

Other configurations and operations of the motor controller 1 and the vehicle having the same according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A motor controller, comprising:

the capacitor pre-setting device comprises a box body, a plurality of capacitors and a plurality of capacitors, wherein a mounting cavity is defined in the box body and comprises a plurality of capacitor pre-setting spaces;

the installation cavity is provided with different numbers of capacitor preset spaces so as to assemble the capacitors with different volumes.

2. The motor controller of claim 1 wherein one of said housing and said capacitor is provided with a first mounting groove and the other is provided with a first mounting rib, said first mounting rib being inserted into said first mounting groove.

3. The motor controller according to claim 2, wherein the case is provided with a plurality of first mounting grooves, the capacitor is provided with a plurality of first mounting ribs, and the plurality of first mounting grooves and the plurality of first mounting ribs are plugged in one-to-one correspondence.

4. The motor controller according to claim 3, wherein the first mounting grooves are disposed on two opposite side walls of the mounting cavity, and the first mounting ribs are disposed on two opposite sides of the capacitor.

5. The motor controller of claim 1, wherein said capacitor is mounted to said mounting cavity by an insulating paste, said insulating paste having a thermal conductivity greater than air.

6. The motor controller of claim 5, further comprising:

the copper bar fixing seat is arranged in the mounting cavity;

the capacitor is provided with a rubber baffle plate, the rubber baffle plate is located on the back of the capacitor, one side of the copper bar fixing seat is installed on the box body, and the insulating glue is arranged between the copper bar fixing seat and the rubber baffle plate.

7. The motor controller according to claim 6, wherein one of the box body and the copper bar fixing seat is provided with a second mounting groove and the other is provided with a second mounting rib, and the second mounting rib is inserted into the second mounting groove.

8. The motor controller of claim 1, further comprising:

the power module is installed in the installation cavity, and the box body is provided with a heat dissipation cooling water channel for the power module and the capacitor.

9. The motor controller according to claim 8, wherein a plurality of heat dissipation pins are disposed on a surface of the power module facing the cooling water channel, an opening communicating with the cooling water channel is disposed on an inner wall of the mounting cavity, the plurality of heat dissipation pins extend into the cooling water channel through the opening, and the opening is covered by the power module;

the power module is towards the one side of cooling water course is equipped with waterproof apron, and is a plurality of the heat dissipation needle is formed at waterproof apron, waterproof apron closing cap the uncovered.

10. The motor controller of claim 1, further comprising:

the driving board and the power module are integrated into a whole and are arranged in the mounting cavity;

the copper bar fixing seat is installed in the installation cavity, and the copper bar fixing seat and the capacitor are respectively located on two sides of the power module.

11. The motor controller of claim 10, further comprising:

a current sensor welded to the drive control board;

the low-voltage plug connector is welded on the drive control board;

wherein the drive control board and the power module are integrated into a whole by welding.

12. A vehicle characterized by comprising a motor controller according to any one of claims 1-11.

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