CN201910762U - Control device for direct-current brushed motor - Google Patents
Control device for direct-current brushed motor Download PDFInfo
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- CN201910762U CN201910762U CN2010206471265U CN201020647126U CN201910762U CN 201910762 U CN201910762 U CN 201910762U CN 2010206471265 U CN2010206471265 U CN 2010206471265U CN 201020647126 U CN201020647126 U CN 201020647126U CN 201910762 U CN201910762 U CN 201910762U
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Abstract
The utility model relates to a control device for a direct-current brushed motor, comprising an electric box, a radiating part, a servo circuit board, a speed-ring speed-regulation circuit, a current ring adjusting circuit, a rectifier circuit, a power conversion module, a current feedback circuit and a speed feedback circuit, wherein the servo circuit board comprises a power driving circuit that is connected with a winding of the direct-current brushed motor; the input of the speed-ring speed-regulation circuit is connected with the output and the setting input of the speed feedback circuit; the input of the current ring adjusting circuit is connected with the output of the speed ring adjusting circuit and the output of the current feedback circuit; the input of the power driving circuit is connected with the output of the current ring adjusting circuit; the input of the power conversion circuit is connected with the output of the rectifier circuit; and simultaneously the output of the rectifier is connected with the power input terminal of the power driving circuit. Therefore, the problem that a narrow space can not meet the requirements on installation and use of the control device of the large-power motor can be solved. The control device is characterized by being small in volume and large in power, being capable of being input by direct current or alternating current and being supplied with power by a single power supply, and being good in radiating performance, and is particularly beneficial to meeting the requirement of narrow space on a servo system.
Description
Technical field
The utility model relates to a kind of brush direct current motor control device.
Background technology
Because industrialized development, every profession and trade is pursued increasing the time power of motor, and is but more and more littler to the volume requirement of motor control assembly, under a lot of situations, because the restriction of environment for use has to reduce the requirement to power, to such an extent as to be difficult to satisfy the needs that design is produced.Using at present motor control assembly in the industrial environment mainly is the power amplifier that relies on IGBT and periphery circuit design, owing to the restriction of self circuit complexity, is difficult to accomplish miniaturization and high-power and deposit.And this type of device technique falls behind, and safeguards constantly, and caloric value is big.
The utility model content
Its purpose of the utility model just is to provide a kind of brush direct current motor control device, a kind of high power density, small size are provided, can to motor carry out High Accuracy Control the brush direct current motor control device, have that volume is little, power is big, but the AC/DC input, the characteristics that single power supply and thermal diffusivity are good.
The technical scheme that realizes above-mentioned purpose and take, comprise electronic box, thermal component and servo circuit plate, described servo circuit plate comprises the power driving circuit that links to each other with the brush direct current motor winding, also comprise the speed ring alignment circuit, the electric current loop regulating circuit, rectification circuit, power transfer module, current feedback circuit and velocity feedback circuits, the input of described speed ring alignment circuit connects the output and setting input of velocity feedback circuits, the input of described electric current loop regulating circuit connects the output of speed ring regulating circuit and the output of current feedback circuit, the input of described power driving circuit connects the output of electric current loop regulating circuit, the input of described power-switching circuit connects the output of rectification circuit, and the output of rectification circuit simultaneously connects the power electrical input of power driving circuit.
Compared with prior art, the beneficial effects of the utility model are: 1. high power density, power driving circuit adopts high integration, powerful pwm power amplifier as main power device, possesses high-power output in the miniaturization Design that realizes servo system; 2. same power supply power supply is adopted in single supply input, power driving circuit and power-switching circuit, uses convenient; 3. input range is wide: 18VAC～45VAC or 24VDC～60VDC, and power-switching circuit adopts the DC-DC power module of wide input range, guarantees that this money electric machine controller can satisfy the driving of 24VDC～60VDC brush direct current motor; 4. Du Te radiating mode, the reliability that assurance device is worked in airtight small space.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model profile and internal structure schematic diagram.
Fig. 2 is a kind of circuit structure block diagram that the utility model links to each other with brush direct current motor.
Fig. 3 is the utility model power driving circuit schematic diagram.
Fig. 4 is the utility model current feedback circuit schematic diagram.
Fig. 5 is the utility model rectification circuit and power-switching circuit schematic diagram.
Among Fig. 1: high power density, compact brush direct current motor control device by: top cover 1, base plate 2, Left-Hand Panel 3, heating panel 4, fin 5, power supply heat elimination block 6, Left-Hand Panel 7, servo circuit plate 8 and heat conductive rubber 9,10 be installed formed.
Among Fig. 2: servo circuit plate 8 is by the power driving circuit 8-3 that is connected with motor windings 8-8, and speed ring alignment circuit 8-1, electric current loop regulating circuit 8-2, rectification circuit 8-4, power transfer module 8-5, current feedback circuit 8-6 and loop feedback circuit 8-7 form.
Embodiment
Comprise electronic box, thermal component and servo circuit plate 8, as shown in Figure 2, described servo circuit plate 8 comprises the power driving circuit 8-3 that links to each other with brush direct current motor winding 8-8, also comprise speed ring alignment circuit 8-1, electric current loop regulating circuit 8-2, rectification circuit 8-4, power-switching circuit 8-5, current feedback circuit 8-6 and velocity feedback circuits 8-7, the input of described speed ring alignment circuit 8-1 connects the output and setting input of loop feedback circuit 8-7, the input of described electric current loop regulating circuit 8-2 connects the output of speed ring regulating circuit 8-1 and the output of current feedback circuit 8-2, the input of described power driving circuit 8-3 connects the output of electric current loop regulating circuit 8-2, the input of described power-switching circuit 8-5 connects the output of rectification circuit 8-4, and the output of rectification circuit 8-4 simultaneously connects the power electrical input of power driving circuit 8-3.
Described electronic box comprises heating panel 4, as shown in Figure 1, heating panel 4 is installed on the base plate 2, and fin 5 is directly installed on the power device, described heating panel 4 and fin 5 closely link to each other by heat conductive rubber, and described power supply heat sinking module 6 closely is connected with the DC-DC module by heat conductive rubber.
Described power driving circuit 8-3 selects integrated pwm power amplifier A1 for use, as shown in Figure 3, the positive pole output of rectification circuit 8-4 meets 30 of power amplifier A1,31,32,33,34,44,45,46,47,48 pin, transient suppressor V5 anode links to each other with the anodal output of rectification circuit 8-4, negativing ending grounding, 35 of power amplifier A1,36,37,38,39 pin connect the motor input positive pole of motor windings 8-8, be connected to diode V4 between motor input positive pole and the ground, 49 of power amplifier A1,50,51,52,53 pin connect the motor input negative pole of motor windings 8-8, be connected to diode V2 between the motor input negative pole, 22 pin and 21 of power amplifier A1, be connected to resistance R 4 between 24 pin, be connected to resistance R 7 between 1 pin of power amplifier A1 and 20 pin, R8 enables control signal by resistance R 2, R3 is connected with 10 pin of power amplifier A1.
Described power transfer module 8-5 selects the DC-DC modules A 2 of wide region input for use, as shown in Figure 5, the input range of DC-DC modules A 2 is 36VDC～140VDC, and 1 pin of DC-DC modules A 2 connects 0 pin of rectification circuit 8-4 rectifier bridge AB1, and 2 pin of DC-DC modules A 2 connect 3 pin of rectifier bridge AB1.
Described rectification circuit 8-4 selects rectifier bridge AB1 for use, as shown in Figure 5, both but the input AC electricity also can input dc power, rectification circuit 8-4 is power driving circuit 8-3 and power transfer module 8-5 power supply simultaneously, realized the single supply input, 0 pin of rectifier bridge AB1 respectively with 1 pin of DC- DC modules A 2,30 of power amplifier A1,31,32,33,34,44,45,46,47,48 pin connect described current feedback circuit 8-6 and adopt instrument amplifier N1 and noninductive power resistor R9, R10, as shown in Figure 4, current feedback circuit 8-6 input is by A, the B two-way is formed, 40 of the power amplifier A1 of A road input and power driving circuit 8-3,41,42,43 pin connect, 40 of power amplifier A1,41,42, be connected to sample resistance R9 between 43 pin and the ground, output links to each other with 2 pin of instrument amplifier N1,54 of the power amplifier A1 of B road input and power driving circuit 8-3,55,56,57 pin connect, 54 of power amplifier A1,55,56, be connected to sample resistance R10 between 57 pin and the ground, output links to each other with 3 pin of instrument amplifier N1.
This device high power density, compact brush direct current motor control device comprise electronic box, thermal component and servo circuit plate 8, thermal component mainly is made up of heating panel 4, fin 5, power supply heat elimination block 6 and heat conductive rubber 9,10, realizes the conduction of power device and power module heat and disperses.Servo circuit plate 8 comprises the power driving circuit 8-3 that links to each other with the direct current machine winding, also comprises speed ring alignment circuit 8-1, electric current loop regulating circuit 8-2, rectification circuit 8-4, power transfer module 8-5, current feedback circuit 8-6 and velocity feedback circuits 8-7.The input of described speed ring alignment circuit 8-1 connects the output and setting input of loop feedback circuit 8-7; The input of described electric current loop regulating circuit 8-2 connects the output of speed ring regulating circuit 8-1 and the output of current feedback circuit 8-6; The input of described power driving circuit 8-3 connects the output of electric current loop regulating circuit 8-2; The input of described power transfer module 8-5 connects the output of rectification circuit 8-4, and the output of rectification circuit 8-4 simultaneously connects the power electrical input of power driving circuit 8-3.
As preferably, described power driving circuit 8-3 selects for use pwm power amplifier A1 to realize, the cathode output end of rectification circuit 8-4 connects 30,31,32,33,34,44,45,46,47,48 pin of power amplifier A1, transient suppressor V5 anode links to each other negativing ending grounding with the anodal output of rectification circuit 8-4; 35,36,37,38,39 pin of power amplifier A1 connect the motor input positive pole of motor windings 8-8, are connected to diode V4 between motor input positive pole and the ground; 49,50,51,52,53 pin of power amplifier A1 connect the motor input negative pole of motor windings 8-8, are connected to diode V2 between the motor input negative pole; Be connected to resistance R 4 between 22 pin and 21 of power amplifier A1,24 pin; Be connected to resistance R 7, R8 between 1 pin of power amplifier A1 and 20 pin; Enabling control signal is connected with 10 pin of A3 by resistance R 2, R3.
As preferably, described current feedback circuit 8-6 adopts instrument amplifier N1 to realize, current feedback circuit 8-6 input is made up of A, B two-way, A road input is connected with 40,41,42,43 of power driving circuit pwm power amplifier A1, be connected to sample resistance R9 between 40,41,42,43 and the ground of power amplifier A1, output links to each other with 2 pin of instrument amplifier N1; 54,55,56,57 of the power amplifier A1 of B road input and power driving circuit 8-3 is connected, and is connected to sample resistance R10 between 54,55,56,57 and the ground of power amplifier A1, and output links to each other with 3 pin of instrument amplifier N1.
As preferably, described current feedback circuit 8-6 sampling resistor adopts two MP916 series high accuracy noninductive resistance R9, R10 to realize that the pin of noninductive resistance R9 connects 40,41,42,43 of power driving circuit 8-3 power amplifier A1, another pin ground connection; The pin of noninductive resistance R10 meets 54,55,56,57 of power driving circuit 8-3 power amplifier A1, another pin ground connection, and this method realizes convenient, precision height, stable performance.
As preferably, described power transfer module 8-5 adopts wide region input DC-DC modules A 2 to realize that 1 pin of DC-DC modules A 2 connects 0 pin of rectification circuit 8-4 rectifier bridge AB1, and 2 pin of A2 connect 3 pin of rectifier bridge AB1.
As preferably, rectification circuit 8-4 selects for use rectifier bridge AB1 to realize, both but the input AC electricity also can input dc power, rectification circuit 8-4 is power driving circuit 8-3 and power transfer module 8-5 power supply simultaneously, realized the single supply input, 0 pin of rectifier bridge AB1 respectively with 1 pin of DC- DC modules A 2,30,31,32,33,34,44,45,46,47,48 pin of power amplifier A1 connect.
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: this brush direct current motor control device as shown in Figure 1, comprise top cover 1, base plate 2 is installed, Left-Hand Panel 3, heating panel 4, fin 5, power supply heat elimination block 6, Left-Hand Panel 7 and servo circuit plate 8, electronic box is by top cover 1, base plate 2 is installed, Left-Hand Panel 3 and Left-Hand Panel 7 are formed, heating panel 4, fin 5, power supply heat elimination block 6 is the thermal component of device, heating panel 4 is installed on the base plate 2, fin 5 is directly installed on the back side of power device A1, heating panel 4 closely links to each other by heat conductive rubber 10 with fin 5, the heat that power device produces distributes under conduction, power supply heat sinking circuit 6 closely is connected with DC-DC modules A 2 back sides by heat conductive rubber 9, with the mode distribute heat of conduction.
Embodiment 2: this brush direct current motor control device servo circuit plate 8 structured flowcharts as shown in Figure 2, comprise the power driving circuit 8-3 that links to each other with direct current machine winding 8-8, speed ring alignment circuit 8-1, electric current loop regulating circuit 8-2, rectification circuit 8-4, power transfer module 8-5, current feedback circuit 8-6 and velocity feedback circuits 8-7.The input of speed ring alignment circuit 8-1 connects the output and setting input of loop feedback circuit 8-7; The input of electric current loop regulating circuit 8-2 connects the output of speed ring regulating circuit 8-1 and the output of current feedback circuit 8-6; The input of power driving circuit 8-3 connects the output of electric current loop regulating circuit 8-3; The input of power transfer module 8-5 connects the output of rectification circuit 8-4, and the output of rectification circuit 8-4 simultaneously connects the power electrical input of power driving circuit 8-3.Set input signal through speed ring 8-1, after electric current loop 8-2 regulated, the signal input end of input power drive circuit 8-3 was regulated input current, voltage again, finishes the driving to motor.
Embodiment 3: power driving circuit 8-3 adopts integrated power amplifier A1 to realize in this brush direct current motor control device servo circuit plate 8, power amplifier A1 has adopted MSA240KC, 49 of power amplifier A1,50,51,52,53 pin connect the motor negative terminal, 35 of power amplifier A1,36,37,38,39 connect the motor anode, 54 of power amplifier A1,55,56,57 pin connect 3 pin of instrument amplifier N1 among R10 and the current feedback circuit 8-6,40 of power amplifier A1,41,42,43 pin connect 2 pin of instrument amplifier N1 among R9 and the current feedback circuit 8-6,21 of power amplifier A1,24 pin are connected with 22 pin of power amplifier A1 by R4,1 pin of power amplifier A1 passes through R7, R8 is connected with 20 pin of power amplifier A1, as shown in Figure 3.
Embodiment 4: current feedback circuit 8-6 adopts instrument amplifier N1 to realize that instrument amplifier N1 adopts INA117,2 pin of instrument amplifier N1 and the I of power amplifier A1 in this brush direct current motor control device servo circuit plate 8
SenseA links to each other, 2 pin of instrument amplifier N1 and the I of power amplifier A1
SenseB links to each other, and 6 pin of instrument amplifier N1 are connected with 2 pin of instrument amplifier N2 by resistance R 22, R23, and 6 pin of instrument amplifier N2 are connected with 2 pin of N3 among the electric current loop regulating circuit 8-2 by resistance R 31, as shown in Figure 4.
Embodiment 5: rectification circuit 8-4 adopts AB1 to realize in this brush direct current motor control device servo circuit plate 8, power transfer module 8-5 adopts DC-DC modules A 2 to realize, as shown in Figure 5,1,2 pin of rectifier bridge AB1 connect the external power source input, and 0 pin of rectifier bridge AB1 is connected with 1 pin of DC- DC modules A 2 and 30,31,32,33,34,44,45,46,47,48 pin of power amplifier A1 respectively.Be parallel with alminium electrolytic condenser C1, C2 between 0 pin of rectifier bridge AB1 and 3 pin.
The course of work: the external power source input realizes AC-DC through rectification circuit, for power driven system provides the input of power electricity, provides the input of control electricity for power-switching circuit simultaneously.Output current produces one group of voltage signal by sampling resistor R9, R10, obtains the system power feedback signal after instrument amplifier N1 computing, through comprehensive with the electric current loop input signal after the N2 amplifier, realizes the closed-loop control of electric current loop.After setting input signal process speed ring, the two closed loop computings amplifications of electric current loop, convert the drive signal of power driving circuit to.Drive signal is input to integrated amplifier, drives the running of brush direct current motor.The system dynamic electrical input is provided with transient suppressor, as a kind of protection of system, in case when input voltage was higher than the threshold value of transient suppressor, transient suppressor can be breakdown, turn-offs the input of system dynamic electricity, makes the motor outage, finishes the too high protection of input voltage.
Claims (6)
1. brush direct current motor control device, comprise electronic box, thermal component and servo circuit plate, it is characterized in that, described servo circuit plate (8) comprises the power driving circuit (8-3) that links to each other with the brush direct current motor winding, also comprise speed ring alignment circuit (8-1), electric current loop regulating circuit (8-2), rectification circuit (8-4), power transfer module (8-5), current feedback circuit (8-6) and velocity feedback circuits (8-7), the input of described speed ring alignment circuit (8-1) connects the output and setting input of velocity feedback circuits (8-7), the input of described electric current loop regulating circuit (8-2) connects the output of speed ring regulating circuit (8-1) and the output of current feedback circuit (8-6), the input of described power driving circuit (8-3) connects the output of electric current loop regulating circuit (8-2), the input of described power transfer module (8-5) connects the output of rectification circuit (8-4), and the output of rectification circuit (8-4) simultaneously connects the power electrical input of power driving circuit (8-3).
2. a kind of brush direct current motor control device according to claim 1, it is characterized in that, described electronic box comprises heating panel (4), heating panel (4) is installed on the base plate (2), fin (5) is directly installed on the power device, described heating panel (4) closely links to each other by heat conductive rubber (10) with fin (5), and described power supply heat sinking module (6) closely is connected with the DC-DC module by heat conductive rubber (9).
3. a kind of brush direct current motor control device according to claim 1, it is characterized in that, described power driving circuit (8-3) is selected integrated pwm power amplifier A1 for use, the positive pole output of rectification circuit (8-4) meets 30 of power amplifier A1,31,32,33,34,44,45,46,47,48 pin, transient suppressor V5 anode links to each other with the anodal output of rectification circuit (8-4), negativing ending grounding, 35 of power amplifier A1,36,37,38,39 pin connect the motor input positive pole of motor windings (8-8), be connected to diode V4 between motor input positive pole and the ground, 49 of power amplifier A1,50,51,52,53 pin connect the motor input negative pole of motor windings, be connected to diode V2 between the motor input negative pole, 22 pin and 21 of power amplifier A1, be connected to resistance R 4 between 24 pin, be connected to resistance R 7 between 1 pin of power amplifier A1 and 20 pin, R8 enables control signal by resistance R 2, R3 is connected with 10 pin of power amplifier A1.
4. a kind of brush direct current motor control device according to claim 1, it is characterized in that, described power transfer module (8-5) is selected the DC-DC modules A 2 of wide region input for use, the input range of DC-DC modules A 2 is 36VDC～140VDC, 1 pin of DC-DC modules A 2 connects 0 pin of rectification circuit (8-4) rectifier bridge AB1, and 2 pin of DC-DC modules A 2 connect 3 pin of rectifier bridge AB1.
5. a kind of brush direct current motor control device according to claim 1, it is characterized in that, described rectification circuit (8-4) is selected rectifier bridge AB1 for use, both but the input AC electricity also can input dc power, rectification circuit (8-4) is the power supply of power driving circuit and power transfer module simultaneously, realized the single supply input, 0 pin of rectifier bridge AB1 respectively with 1 pin of DC-DC modules A 2,30,31,32,33,34,44,45,46,47,48 pin of power amplifier A1 connect.
6. a kind of brush direct current motor control device according to claim 1, it is characterized in that, described current feedback circuit (8-6) adopts instrument amplifier N1 and noninductive power resistor R9, R10, current feedback circuit (8-6) input is by A, the B two-way is formed, 40 of the power amplifier A1 of A road input and power driving circuit (8-3), 41,42,43 pin connect, 40 of power amplifier A1,41,42, be connected to sample resistance R9 between 43 pin and the ground, output links to each other with 2 pin of instrument amplifier N1,54 of the power amplifier A1 of B road input and power driving circuit, 55,56,57 pin connect, 54 of power amplifier A1,55,56, be connected to sample resistance R10 between 57 pin and the ground, output links to each other with 3 pin of instrument amplifier N1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206471265U CN201910762U (en) | 2010-12-08 | 2010-12-08 | Control device for direct-current brushed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206471265U CN201910762U (en) | 2010-12-08 | 2010-12-08 | Control device for direct-current brushed motor |
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| Publication Number | Publication Date |
|---|---|
| CN201910762U true CN201910762U (en) | 2011-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206471265U Expired - Fee Related CN201910762U (en) | 2010-12-08 | 2010-12-08 | Control device for direct-current brushed motor |
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| CN (1) | CN201910762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602967A (en) * | 2017-01-05 | 2017-04-26 | 四川埃姆克伺服科技有限公司 | Integrated electric motor driving unit structure |
| CN112217430A (en) * | 2019-07-10 | 2021-01-12 | 九江精密测试技术研究所 | Direct current servo driver based on GaN scheme |
| CN112631203A (en) * | 2019-09-24 | 2021-04-09 | 端汇控制技术(南京)有限公司 | Integrated control electric cabinet |
-
2010
- 2010-12-08 CN CN2010206471265U patent/CN201910762U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602967A (en) * | 2017-01-05 | 2017-04-26 | 四川埃姆克伺服科技有限公司 | Integrated electric motor driving unit structure |
| CN106602967B (en) * | 2017-01-05 | 2023-11-14 | 四川埃姆克伺服科技有限公司 | Integrated motor drive unit structure |
| CN112217430A (en) * | 2019-07-10 | 2021-01-12 | 九江精密测试技术研究所 | Direct current servo driver based on GaN scheme |
| CN112631203A (en) * | 2019-09-24 | 2021-04-09 | 端汇控制技术(南京)有限公司 | Integrated control electric cabinet |
| CN112631203B (en) * | 2019-09-24 | 2024-04-09 | 端汇控制技术(南京)有限公司 | Integrated control electric cabinet |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20131208 |