WO2013107050A1 - Motor controller - Google Patents

Motor controller Download PDF

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Publication number
WO2013107050A1
WO2013107050A1 PCT/CN2012/070683 CN2012070683W WO2013107050A1 WO 2013107050 A1 WO2013107050 A1 WO 2013107050A1 CN 2012070683 W CN2012070683 W CN 2012070683W WO 2013107050 A1 WO2013107050 A1 WO 2013107050A1
Authority
WO
WIPO (PCT)
Prior art keywords
board
high voltage
control board
motor controller
voltage driving
Prior art date
Application number
PCT/CN2012/070683
Other languages
French (fr)
Chinese (zh)
Inventor
冯朝萍
Original Assignee
成都优阳机电产品设计有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 成都优阳机电产品设计有限公司 filed Critical 成都优阳机电产品设计有限公司
Priority to PCT/CN2012/070683 priority Critical patent/WO2013107050A1/en
Publication of WO2013107050A1 publication Critical patent/WO2013107050A1/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0254High voltage adaptations; Electrical insulation details; Overvoltage or electrostatic discharge protection ; Arrangements for regulating voltages or for using plural voltages
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/14Structural association of two or more printed circuits
    • H05K1/144Stacked arrangements of planar printed circuit boards
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0213Electrical arrangements not otherwise provided for
    • H05K1/0263High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/04Assemblies of printed circuits
    • H05K2201/042Stacked spaced PCBs; Planar parts of folded flexible circuits having mounted components in between or spaced from each other
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007Types of components
    • H05K2201/10151Sensor
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2036Permanent spacer or stand-off in a printed circuit or printed circuit assembly

Abstract

A motor controller (10) comprising a high-voltage driver board (11) having distributed thereon high-voltage circuits, a control board (12) having distributed thereon low-voltage circuits, and several current sensors (13) arranged between the high-voltage driver board (11) and the control board (12). A high-voltage end (130) of each current sensor (13) is electrically connected to the high-voltage driver board (11); a low-voltage end (131) of each current sensor (13) is electrically connected to the control board (12); the high-voltage driver board (11) and the control board (12) are arranged in a vertical space. High and low voltages are arranged in two, upper and lower, layers via the current sensors (13); the high-voltage ends (130) of the current sensors (13) are connected to the high-voltage driver board (11); the low-voltage ends (131) of the current sensors (13) are connected to the control board (12). This implements a vertical distribution of high and low voltages and complete separation between the high-voltage circuits and the low-voltage circuits, thus reducing interferences from the high-voltage circuits to the low-voltage circuits, and improving the safeness of the high- and low-voltage circuits. The advantage is particularly significant in a high-density assembly.

Description

 Motor Controller Technical field

The invention belongs to the field of electric machines, and in particular relates to a motor controller.

Background technique

In the existing motor controller, the high voltage circuit and the low voltage circuit are on the same printed board. When the motor controller is working, the high voltage circuit interferes with the low voltage circuit, which reduces the safety of the low voltage circuit, and even causes the low voltage circuit to fail. Working properly, the entire board is not working properly. Based on the above negative effects, it is necessary for the present invention to improve the motor controller.

technical problem

An object of the embodiments of the present invention is to provide a motor controller, which aims to solve the problem that the high voltage circuit in the prior art interferes with the low voltage circuit.

Technical solution

The embodiment of the present invention is implemented as follows: a motor controller including a high voltage driving board distributed with a high voltage circuit, a control board distributed with a low voltage circuit, and a plurality of between the high voltage driving board and the control board a current sensor, a high voltage end of each current sensor is electrically connected to the high voltage driving board, and a low voltage end of each current sensor is electrically connected to the control board, and the high voltage driving board and the control board are in a vertical space Arrangement.

Beneficial effect

The high and low voltages are separately arranged in the upper and lower layers by the current sensor, and the high voltage end of the current sensor is connected to the high voltage driving board, and the low voltage end of the current sensor is connected to the control board to realize high and low voltage vertical distribution, and the high voltage circuit is completely separated from the low pressure circuit. Reduce the interference of the high voltage circuit to the low voltage circuit and improve the safety of the low voltage circuit. The above advantages are particularly pronounced in high-density assemblies.

DRAWINGS

1 is a main body diagram of a motor controller according to an embodiment of the present invention.

2 is a perspective view of another angle of the motor controller of FIG. 1.

Figure 3 is an enlarged view of the circle of the motor controller of Figure 2.

4 is an exploded perspective view of an angle of the motor controller of FIG. 1.

Figure 5 is an exploded perspective view of another angle of the motor controller of Figure 1.

Figure 6 is an exploded perspective view of a further angle of the motor controller of Figure 1.

7 is an exploded perspective view of the control board and the first insulating reinforcing plate of the motor controller of FIG. 1.

Figure 8 is an exploded perspective view of the high voltage input connector of the motor controller of Figure 1.

9 is a perspective view of a first insulation reinforcing plate of the motor controller of FIG. 1.

Figure 10 is a perspective view of another angle of the first insulating reinforcing plate of the motor controller of Figure 1.

Figure 11 is a perspective view of the breakout frame and the insulating plate of the motor controller of Figure 1.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to FIG. 1 to FIG. 7 , a motor controller 10 according to an embodiment of the present invention includes a high voltage driving board 11 having a high voltage circuit, a control board 12 distributed with a low voltage circuit, and a high voltage driving board 11 and the control. A number of current sensors 13 between the plates 12. The high voltage end 130 of each current sensor 13 is electrically connected to the high voltage driving board 11 , and the low voltage end 131 of each current sensor 13 is electrically connected to the control board 12 . The high voltage driving board 11 and the control board 12 are arranged in a vertical space.

The high and low voltages are separately arranged in the upper and lower layers by the current sensor 13, and the high voltage end 130 of the current sensor 13 is connected to the high voltage driving board 11, and the low voltage end 131 of the current sensor 13 is connected to the control board 12 to realize high and low voltage vertical distribution. The high-voltage circuit is completely separated from the low-voltage circuit, reducing the interference of the high-voltage circuit to the low-voltage circuit and improving the safety of the low-voltage circuit. The above advantages are particularly pronounced in high-density assemblies.

The motor controller 10 further includes a charging board 14 and a plurality of rectifiers 15 disposed on the same side of the control board 12 as the high voltage driving board 11. Each rectifier 15 has a body 150 and a pin 151 extending from the body 150. One side of the high voltage driving board 11 is inclined toward the control board 12 and electrically overlaps with one side of the charging board 14. The lead 151 of the rectifier 15 is electrically connected to the control board 12 by the high voltage driving board 11 and the charging board 14 . The lead 151 of the rectifier 15 is electrically connected to the high voltage driving board 11 , the charging board 14 and the control board 12 .

The high voltage drive board 11 is used to drive a motor. The charging board 14 is used to store electricity when the motor is coasting. In the present embodiment, the charging board 14 and the high voltage driving board 11 are located vertically above the control board 12.

Referring to FIG. 8 at the same time, the motor controller 10 further includes a high voltage input connector 16 electrically connected to the charging board 14 . The high-voltage input connector 16 includes a frame 160, a card slot 161 that is formed on the frame 160 and is fastened to the charging plate 14. An electrical connection block 162 is defined on the frame 160. The accommodating groove 163 of the electrical connection block 162 is disposed under the card slot 161. The electrical connection block 162 includes a battery that extends into the card slot 161 and electrically penetrates the charging plate 14. The column 164 is connected. The frame 160 of the high-voltage input connector 16 defines a through slot 165 above the card slot 161. The fixing member 166 is inserted into the through slot 165 to fix the high voltage input connector 16 to a fixture (casing). The front end of the frame 160 is further provided with a mounting member 167 for electrically mounting a cable (not shown) on the electrical connecting block 162. The side surface of the frame body 160 protrudes outwardly from the vicinity of the card slot 161 to block the upper and lower sides of the control board 12 to limit the movement of the control board 12 in the direction perpendicular to the control board 12 A block 168 and a stop 169 that terminates in the outer edge of the control board 12 to limit movement of the control board 12 in a direction parallel to the control board 12.

Referring to FIG. 9 and FIG. 10 simultaneously, the motor controller 10 further includes a first insulating reinforcing plate 17 and a second insulating reinforcing plate 18 stuck on the first insulating reinforcing plate 17. The first insulating reinforcing plate 17 is located between the whole plate body formed by electrically overlapping the high voltage driving board 11 and the charging board 14 and the control board 12 . The second insulating reinforcing plate 18 is located on a side of the whole plate body formed by electrically connecting the high voltage driving board 11 and the charging board 14 away from the control board 12 . The body 150 of the rectifier 15 is placed on the second insulating reinforcing plate 18. The lead 151 of the rectifier 15 passes through the second insulating reinforcing plate 18 and is electrically connected to the high voltage driving board 11 , the charging board 14 and the control board 12 .

A support rib 170 for supporting the high-voltage driving plate 11 is disposed on a side of the first insulating reinforcing plate 17 adjacent to the high-voltage driving plate 11 , and a height of the supporting rib 170 is along a height from the high-voltage driving plate 11 . The direction from the electrically lapped side to the side opposite the electrically lapped side gradually increases. A mounting block 171 is disposed on a side of the first insulating reinforcing plate 17 adjacent to the high voltage driving board 11. The motor controller 10 further includes a plurality of first surge absorbing capacitors 19 disposed on the high voltage driving board 11 and a fixing bracket 190 fixed on the first surge absorbing capacitor 19. The locking member 20 is locked to the mounting block 171 through the fixing frame 190 and the high voltage driving plate 11 . The height of the mounting block 171 gradually increases in a direction from the electrically overlapping side of the high voltage driving board 11 to the side opposite to the electrical overlapping side.

The motor controller 10 further includes a plurality of power driving devices 31 electrically connected to the high voltage driving board 11. The power drive device 31 is located below the control board 12.

The motor controller 10 further includes a second surge absorbing capacitor 21. The second surge absorbing capacitor 21 is located on a side opposite to the position where the first surge absorbing capacitor 19 is located. The second surge absorbing capacitor 21 passes through the second insulating reinforcing plate 18 through an electrical mounting bracket 22 and is electrically connected to the charging board 14 . In addition to the electrical connection, the electrical mounting frame 22 also has a mechanical fixing function. The charging plate 14 defines a notch 140 to avoid the second surge absorbing capacitor 21 .

The first surge absorbing capacitor 19 absorbs current and/or voltage surges of the sub-loop of the motor controller 10. The second surge absorbing capacitor 21 absorbs current and/or voltage surges of the main circuit of the motor controller 10.

The motor controller 10 further includes a protection plate 23 on the side of the control board 12 remote from the high voltage drive board 11 for protecting electronic components (not labeled) on the high voltage drive board 11. The protection board 23 may be reduced in size or omitted depending on the degree of integration of the electronic components. The protection board 23 and the control board 12 are electrically connected in a point-to-point manner. The protection plate 23 and the control panel 12 are arranged in a vertical space. The point-to-point method is to electrically connect the protection board 23 and the control board 12 through a plurality of pin connectors 24, that is, one end of the pin connector 24 is connected to the protection board 23, and the other end is connected to the control board 12. On, to achieve the layout of the vertical space.

The motor controller 10 further includes a power board 25 on a side of the control board 12 remote from the high voltage driving board 11, and the protection board 23 is located between the control board 12 and the power board 25. The power board 25 and the protection board 23 and the control board 12 are also electrically connected in a point-to-point manner, and the point-to-point mode electrically connects the power board 25 and the protection board 23 or the power board 25 and the control board 12 through the pin connector 26. connection. The power board 25 and the protection board 23 and the control board 12 are arranged in a vertical space. The power board 25 supplies power to the high voltage driving board 11 through the protection board 23.

The first insulating reinforcing plate 17 has a fixing post 173 extending toward the power board 25 . The fixing post 173 is fixed to the protection plate 23 through the control board 12 such that the protection board 23 and the control board 12 are more firmly connected together. The first insulating reinforcing plate 17 and the second insulating reinforcing plate 18 isolate the control board 12 from the high voltage driving board 11 and the charging board 14 to reduce mutual interference. Further, the protective plate 23, the control board 12, the charging board 14, and the high voltage driving board 11 are densely assembled by the first insulating reinforcing plate 17 and the second insulating reinforcing plate 18. The protection board 23, the control board 12, the charging board 14, the high voltage driving board 11, and the power board 25 are arranged in a vertical space, which saves a lot of space and achieves miniaturization.

One side of the power board 25 is provided with a low voltage lead connection row 27 and a low voltage terminal reinforcement 28 for fixing the low voltage lead connection row 27 to the power board 25. In the present embodiment, the low-voltage terminal reinforcement 28 includes an upper reinforcement 280 and a lower reinforcement 282 to sufficiently ensure the connection of the low-voltage lead connection row 27 to the power supply board 25.

Referring to FIG. 11 , the motor controller 10 further includes a branching frame 29 disposed at a high voltage output connection end of the high voltage driving board 11 and an insulating plate 30 covering the branching frame 29 . The distribution frame 29 is configured to separate cables (not shown) connected to the high voltage output connection end.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims (13)

  1. A motor controller, comprising: a high voltage driving board distributed with a high voltage circuit, a control board distributed with a low voltage circuit, and a plurality of current sensors disposed between the high voltage driving board and the control board, each The high voltage end of the current sensor is electrically connected to the high voltage driving board, and the low voltage end of each current sensor is electrically connected to the control board, and the high voltage driving board and the control board are arranged in a vertical space.
  2. The motor controller according to claim 1, wherein the motor controller further comprises a charging plate and a plurality of rectifiers disposed on the same side of the control board as the high voltage driving board, each rectifier having a main body and a pin extending from the body, one side of the high voltage driving board is inclined toward the control board and electrically connected to one side of the charging board, and the pin of the rectifier is driven by the high voltage driving board The electrical lap portion of the charging board passes through the control board, and the pins of the rectifier are electrically connected to the high voltage driving board, the charging board and the control board.
  3. The motor controller of claim 2, wherein the motor controller further comprises a high voltage input connector electrically connected to the charging plate, the high voltage input connector comprising a frame and being opened in the a card slot that is latched on the charging plate, an electrical connecting block, and a receiving slot that is disposed on the frame and located under the card slot and that receives the electrical connecting block. The electrical connection block includes an electrical connection post that extends into the card slot and is electrically passed through the charging plate.
  4. The motor controller according to claim 3, wherein a side surface of the frame of the high-voltage input connector protrudes outwardly from the vicinity of the card slot to block the upper and lower sides of the control board. Limiting the two control blocks of the control board in a direction perpendicular to the control board and blocking the outer edge of the control board to limit the movement of the control board in a direction parallel to the control board.
  5. A motor controller according to claim 2, wherein said motor controller further comprises a first insulating reinforcing plate and a second insulating reinforcing plate stuck to said first insulating reinforcing plate, said first insulating The reinforcing plate is located between the whole plate body formed by electrically connecting the high voltage driving board and the charging board and the control board, and the second insulating reinforcing board is located at the high voltage driving board and the charging board Electrically overlapping the side of the entire plate body away from the control board, the main body of the rectifier is placed on the second insulation reinforcing plate, and the pin of the rectifier passes through the second insulation The reinforcing plate is electrically connected to the high voltage driving board, the charging board and the control board.
  6. The motor controller according to claim 5, wherein a side of the first insulating reinforcing plate adjacent to the high voltage driving plate is provided with a supporting rib for supporting the high voltage driving plate, and the supporting rib The height gradually increases in a direction from an electrically overlapping side of the high voltage driving board to a side opposite to the electrically overlapping side.
  7. The motor controller according to claim 5, wherein a side of the first insulating reinforcing plate adjacent to the high voltage driving plate is provided with a mounting block, and the motor controller further includes a locker, the motor The controller further includes a plurality of surge absorbing capacitors disposed on the high voltage driving board and a fixing frame fixed on the surge absorbing capacitor, the fastener being locked to the black through the fixing frame and the high voltage driving board Install on the block.
  8. A motor controller according to claim 7, wherein a height of said mounting block is gradually increased in a direction from an electrically overlapping side of said high voltage driving board to a side opposite said electrically overlapping side .
  9. A motor controller according to any one of claims 5-8, wherein said motor controller further comprises a side of said control board remote from said high voltage drive plate for protecting said high voltage drive A protective board for the electronics on the board.
  10. A motor controller according to claim 9, wherein said motor controller further comprises a power board located on a side of said control board remote from said high voltage drive board, said protection board being located on said control board The power board and the protection board and the control board are electrically connected in a point-to-point manner, and the protection board is electrically connected to the control board in a point-to-point manner, and the power board passes the protection board. The high voltage drive board is powered.
  11. The motor controller according to claim 10, wherein the first insulating reinforcing plate has a fixing post extending toward the power board, and the fixing post is fixed to the protection board through the control board. .
  12. A motor controller according to claim 10, wherein one side of said power supply board is provided with a low voltage lead connection row and a low voltage terminal for fixing said low voltage lead connection row to said power supply board Pieces.
  13. A motor controller according to claim 9, wherein said motor controller further comprises a branching frame disposed at a high voltage output connection end of said high voltage driving plate and an insulating plate covering said wire dividing frame.
PCT/CN2012/070683 2012-01-20 2012-01-20 Motor controller WO2013107050A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/070683 WO2013107050A1 (en) 2012-01-20 2012-01-20 Motor controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/070683 WO2013107050A1 (en) 2012-01-20 2012-01-20 Motor controller

Publications (1)

Publication Number Publication Date
WO2013107050A1 true WO2013107050A1 (en) 2013-07-25

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ID=48798535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/070683 WO2013107050A1 (en) 2012-01-20 2012-01-20 Motor controller

Country Status (1)

Country Link
WO (1) WO2013107050A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009033882A (en) * 2007-07-27 2009-02-12 Sanyo Electric Co Ltd Power supply device for vehicle
CN101710822A (en) * 2009-11-24 2010-05-19 深圳市汇川技术股份有限公司 Motor drive device and main frame
CN202019333U (en) * 2011-03-24 2011-10-26 重庆红宇精密工业有限责任公司 Structure of motor driving controller of electric automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009033882A (en) * 2007-07-27 2009-02-12 Sanyo Electric Co Ltd Power supply device for vehicle
CN101710822A (en) * 2009-11-24 2010-05-19 深圳市汇川技术股份有限公司 Motor drive device and main frame
CN202019333U (en) * 2011-03-24 2011-10-26 重庆红宇精密工业有限责任公司 Structure of motor driving controller of electric automobile

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