CN105262407A - High-power density low-voltage motor driver - Google Patents
High-power density low-voltage motor driver Download PDFInfo
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- CN105262407A CN105262407A CN201510772229.1A CN201510772229A CN105262407A CN 105262407 A CN105262407 A CN 105262407A CN 201510772229 A CN201510772229 A CN 201510772229A CN 105262407 A CN105262407 A CN 105262407A
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- drive plate
- control board
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- shell
- driver
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Abstract
The invention provides a high-power density low-voltage motor driver, including a housing, a control panel, a drive board and a radiating fin. The control panel and the drive board are arranged in the housing, and the control panel is positioned on an upper side of the drive board. The control panel and the drive board are connected and fixed with each other through pins. A bottom part of the drive board is provided with a pad which is connected with a radiating disc. The radiating disc is connected with the housing. The control panel is provided with a power supply circuit which converts bus voltage into one below 10V. The power supply circuit supplies power to the control panel and the drive board. The housing, the control panel and the drive board are each provided with an embedding port used for glues pouring after the driver is packaged. The power density of the driver is improved, and the drive is enabled to have good radiation efficiency and to work normally at very low voltage.
Description
Technical field
The present invention relates to a kind of motor servo Driving technique, particularly a kind of high power density low voltage motor driver.
Background technology
High power density low voltage motor driver belongs to the part in motor servo system, be used to the control appliance controlling the operation of servomotor high accuracy, heat radiation and Power Management Design are then significant design parts wherein, and this driver is gathered around at extraordinary industrial control field and is widely used.Released similar motor driver abroad at present, but its radiating effect is unsatisfactory, easily occurs the system failure under high temperature, and power supply buses minimum voltage is also at more than 10V.
Summary of the invention
The object of the present invention is to provide a kind of high power density low voltage motor driver, it can improve the power density of driver, makes driver have good radiating efficiency, and under can being normally operated in very low voltage.
A kind of high power density low voltage motor driver, comprises shell, control board, drive plate, fin; Described control board and drive plate are placed in shell, and control board is positioned on the upside of drive plate; Be connected and fixed by contact pin between described control board and drive plate; Arrange a pad bottom drive plate, pad is connected with heat dissipation plate; Heat dissipation plate is connected with shell.Described control board is arranged the power circuit that busbar voltage to be converted to below 10V by; Described power circuit is that control board and drive plate are powered; Described shell, control board, drive plate are equipped with embedding mouth, for encapsulating after driver encapsulation.
Further, the embedding mouth on described shell, control board, drive plate is two, and the embedding mouth on its housing is arranged at shell upper bottom surface.
Further, described control board is six laminates, and thickness is 0.8mm, and internal layer has more than 50% area to apply copper.
Further, described drive plate is six laminates, and thickness is 0.8mm, and internal layer has more than 80% area, and the deposited copper of institute is used for thermal conductance in drive plate bottom land.
The present invention compared with prior art, has the following advantages: (1) the present invention is pasted with a power circuit on control board, and the busbar voltage higher than 10V can be converted to the operating voltage lower than 10V by this circuit, meets voltage devices work; (2) the present invention adopts the means such as " control board and drive plate adopt and apply copper design " " in the enclosure encapsulating " " pad between drive plate and heating panel " that driver can be made to have good radiating efficiency.
Below in conjunction with Figure of description, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention.
Fig. 2 is drive plate device layout schematic diagram.
Fig. 3 is that driver control electricity is for electrical schematic.
Fig. 4 is control board and drive plate parameter schematic diagram.
Embodiment
Composition graphs 1, a kind of high power density low voltage motor driver, comprises shell 1, control board 2, drive plate 3, fin 4; Described control board 2 and drive plate 3 to be placed in shell 1, and control board 2 is positioned on the upside of drive plate 3; Be connected and fixed by contact pin 5 between described control board 2 and drive plate 3; Arrange a pad 6 bottom drive plate 3, pad 6 is connected with heat dissipation plate 4; Heat dissipation plate 4 is connected with shell 1.Described control board 2 is arranged the power circuit 2-1 that busbar voltage to be converted to below 10V by, described power circuit 2-1 is that control board and drive plate are powered; Described shell 1, control board 2, drive plate 3 are equipped with embedding mouth, for encapsulating after driver encapsulation.
After encapsulation, volume is 55mm × 50mm × 16mm, maximumly drive 960W motor, bus Power supply scope is 7.5 ~ 59V, inner printed board is designed to two-layer, control board 2 is upper, drive plate 3 under, to be connected by contact pin 5 between top level control plate 2 with lower floor drive plate 3 and fixing, contact pin 5 adopts welding manner with being connected between printed board, drive plate 3 bottom center has a square pads 6, be welded in fin 4 by the mode of Reflow Soldering, shell 1 makes box-like being stuck on heating panel 4 by the mode of injection mo(u)lding.
Described control board 2 is six laminates, and thickness is 0.8mm (as shown in Figure 4), and internal layer large area applies copper, can improve radiating efficiency.
Described control board 2 is made up of power circuit 2-1, control circuit, detection and telecommunication circuit, and wherein DC bus-bar voltage is converted to below 10V by power circuit 2-1, and the present invention gets 5V voltage and powers (as shown in Figure 3) to control board and drive plate.Control circuit mainly comprises DSP signal processor circuit and logic processing circuit.Detect and mainly comprise DC-bus voltage sampling circuit, analog input interface circuit and I/O signal interface circuit with telecommunication circuit, then this numeral, analog input output signal are normalized, send into DSP after digitized processing.
Drive plate 3 described in composition graphs 2 is six laminates, and thickness is 0.8mm (as shown in Figure 4), and internal layer large area applies copper, can improve radiating efficiency.6 attachment power device Metal-Oxide Semiconductor field-effect transistor (MOSFET) 3-4 are symmetrical parallel is loaded on printed board central authorities by Reflow Soldering mode, by deposited copper heat conduction in bottom square welding rod, then to be welded on fin by the mode of Reflow Soldering.At side MOSFET other laying temperature sensor chip 3-3, detect real time temperature to control power stage.Primarily of power circuit 3-3, inverter circuit, testing circuit composition, wherein power circuit 3-3 carries out boost conversion as input power (as shown in Figure 3) to drive plate 3 using 5V electricity on control board to 12V.Inverter circuit adopts linear PWM driving method, and the method can realize the four-quadrant running of motor.Testing circuit mainly comprises three-phase current sample circuit, is then normalized this analog signal, sends into DSP after digitized processing.In Fig. 2,3-1 is embedding mouth on drive plate 3, and the region of 3-2 instruction is pin field.Described actuator power inverter circuit ground single-point should be taked to be connected with control ground or single-point magnetic bead connects, and being connected in analog, weakening the interference between different electrical signals with this in control circuit with digitally answering single-point magnetic bead.
The material of described fin 4 is aluminium, and top layer nickel plating is beneficial to Reflow Soldering and can effectively dispels the heat.
The embedding mouth of each reserved 2 2mm on control board 2, drive plate 3 and shell, first upper and lower two plates are welded to connect by contact pin 5 during assembling, be welded to connect with bottom heat radiation sheet again, the upper plastic casing of last card again, after assembling, carry out encapsulating from one of them embedding mouth, be confirmed whether to fill by another embedding mouth, effectively can strengthen radiating effect and the reliability of whole device.
Claims (10)
1. a high power density low voltage motor driver, comprises shell, control board, drive plate, fin; Described control board and drive plate are placed in shell, and control board is positioned on the upside of drive plate; Be connected and fixed by contact pin between described control board and drive plate; Arrange a pad bottom drive plate, pad is connected with heat dissipation plate; Heat dissipation plate is connected with shell, it is characterized in that,
Described control board is arranged the power circuit that busbar voltage to be converted to below 10V by;
Described power circuit is that control board and drive plate are powered;
Described shell, control board, drive plate are equipped with embedding mouth, for encapsulating after driver encapsulation.
2. driver according to claim 1, is characterized in that, busbar voltage is converted to 5V voltage by described power circuit.
3. driver according to claim 1, is characterized in that, the embedding mouth on described shell, control board, drive plate is two, and the embedding mouth on its housing is arranged at shell upper bottom surface.
4. driver according to claim 3, is characterized in that, described embedding mouth internal diameter is 2mm.
5. driver according to claim 1 and 2, is characterized in that, described control board is six laminates, and thickness is 0.8mm, and internal layer has more than 50% area to apply copper.
6. driver according to claim 1, is characterized in that, described drive plate is six laminates, and thickness is 0.8mm, and internal layer has more than 80% area, and the deposited copper of institute is used for thermal conductance in drive plate bottom land.
7. driver according to claim 6, is characterized in that, described drive plate is pasted with 6 power device MOSFET, and every 3 of described MOSFET is row, and two row MOSFET are symmetrical arranged.
8. driver according to claim 7, is characterized in that, described drive plate is also pasted with temperature sensor, when power device temperature is more than a fixed value, cuts off the power supply to power device.
9. the driver according to claim 7 or 8, is characterized in that, described drive plate is also pasted with a second source circuit, and the voltage transitions provided by power circuit is the operating voltage of drive plate.
10. driver according to claim 1, is characterized in that, fin is aluminum, top layer nickel plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772229.1A CN105262407A (en) | 2015-11-12 | 2015-11-12 | High-power density low-voltage motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772229.1A CN105262407A (en) | 2015-11-12 | 2015-11-12 | High-power density low-voltage motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105262407A true CN105262407A (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510772229.1A Pending CN105262407A (en) | 2015-11-12 | 2015-11-12 | High-power density low-voltage motor driver |
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| CN (1) | CN105262407A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135633A (en) * | 2017-05-25 | 2017-09-05 | 广东风华高新科技股份有限公司 | Encapsulation type radiator structure and power module |
| CN109302104A (en) * | 2018-11-20 | 2019-02-01 | 中国船舶重工集团公司第七六研究所 | High power density two-way servo drive system and preparation method |
| CN109390956A (en) * | 2018-12-25 | 2019-02-26 | 北京思源清能电气电子有限公司 | A kind of electric control box and SVG cellular construction |
| CN111404441A (en) * | 2018-12-14 | 2020-07-10 | 湖南中车时代电动汽车股份有限公司 | Motor controller for electric automobile and electric automobile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201805397U (en) * | 2010-06-02 | 2011-04-20 | 湖南南车时代电动汽车股份有限公司 | Permanent magnet motor controller |
| CN202009361U (en) * | 2010-12-20 | 2011-10-12 | 上海电驱动有限公司 | AC machine controller of hybrid electric bus |
| KR20120030957A (en) * | 2010-09-20 | 2012-03-29 | 레미 테크놀러지스 엘엘씨 | Switch module for an electric machine having switchable stator windings |
| CN202978809U (en) * | 2012-11-20 | 2013-06-05 | 联创汽车电子有限公司 | Power supply module structure of large-power motor-driven controller |
| CN104617819A (en) * | 2015-02-27 | 2015-05-13 | 北京精密机电控制设备研究所 | Highly reliable servo control driver |
| CN104980084A (en) * | 2015-06-30 | 2015-10-14 | 王永顺 | Novel circuit structure for motor drive controller |
| CN105007020A (en) * | 2015-07-29 | 2015-10-28 | 无锡新洁能股份有限公司 | Motor controller using power module |
| CN205123646U (en) * | 2015-11-12 | 2016-03-30 | 中国船舶重工集团公司第七一六研究所 | High power density low pressure motor drive |
-
2015
- 2015-11-12 CN CN201510772229.1A patent/CN105262407A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201805397U (en) * | 2010-06-02 | 2011-04-20 | 湖南南车时代电动汽车股份有限公司 | Permanent magnet motor controller |
| KR20120030957A (en) * | 2010-09-20 | 2012-03-29 | 레미 테크놀러지스 엘엘씨 | Switch module for an electric machine having switchable stator windings |
| CN202009361U (en) * | 2010-12-20 | 2011-10-12 | 上海电驱动有限公司 | AC machine controller of hybrid electric bus |
| CN202978809U (en) * | 2012-11-20 | 2013-06-05 | 联创汽车电子有限公司 | Power supply module structure of large-power motor-driven controller |
| CN104617819A (en) * | 2015-02-27 | 2015-05-13 | 北京精密机电控制设备研究所 | Highly reliable servo control driver |
| CN104980084A (en) * | 2015-06-30 | 2015-10-14 | 王永顺 | Novel circuit structure for motor drive controller |
| CN105007020A (en) * | 2015-07-29 | 2015-10-28 | 无锡新洁能股份有限公司 | Motor controller using power module |
| CN205123646U (en) * | 2015-11-12 | 2016-03-30 | 中国船舶重工集团公司第七一六研究所 | High power density low pressure motor drive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135633A (en) * | 2017-05-25 | 2017-09-05 | 广东风华高新科技股份有限公司 | Encapsulation type radiator structure and power module |
| CN109302104A (en) * | 2018-11-20 | 2019-02-01 | 中国船舶重工集团公司第七六研究所 | High power density two-way servo drive system and preparation method |
| CN111404441A (en) * | 2018-12-14 | 2020-07-10 | 湖南中车时代电动汽车股份有限公司 | Motor controller for electric automobile and electric automobile |
| CN109390956A (en) * | 2018-12-25 | 2019-02-26 | 北京思源清能电气电子有限公司 | A kind of electric control box and SVG cellular construction |
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Application publication date: 20160120 |