CN204539008U - Highly reliable servo control driver - Google Patents
Highly reliable servo control driver Download PDFInfo
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- CN204539008U CN204539008U CN201520117701.3U CN201520117701U CN204539008U CN 204539008 U CN204539008 U CN 204539008U CN 201520117701 U CN201520117701 U CN 201520117701U CN 204539008 U CN204539008 U CN 204539008U
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Abstract
The utility model provides a kind of highly reliable SERVO CONTROL driver, comprise: housing, control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard, power amplifier board and connector body, wherein, described housing is for holding described control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard and power amplifier board; Described control board and described capacitor board, power panel and power amplifier board for supporting described control board, and are carried out strong and weak electricity isolation by described control board supporting bracket; Described power amplifier board is installed on described housing bottom; Described power panel backboard is for supporting described power panel, and described power panel backboard is installed on described power amplifier board; Described capacitor board backboard is for supporting described capacitor board, and described capacitor board backboard is installed on described housing bottom, and with described power panel backboard and Column Layout; Described connector body is installed on described housing sidewall.The highly reliable SERVO CONTROL driver that the utility model provides has good anti-vibration, Electro Magnetic Compatibility is strong, reliability is high advantage.
Description
Technical field
The utility model relates to technical field of servo control, particularly a kind of highly reliable SERVO CONTROL driver.
Background technology
Servo system is the important component part of aircraft, servo system is divided into Hydrauservo System, pneumatic servo system and electromechanical servo system, in middle high-power applications occasion, applied Hydrauservo System, electromechanical servo system is applied to low-power applications occasion more more in the past.Along with the development of magnetic material, device for high-power power electronic, DSP digital processing unit technology, high performance servo design of electrical motor, manufacture and control Driving technique thereof, electromechanical servo technology is emerged rapidly, the application of electromechanical servo system is more and more extensive, progressively promotes the use of middle high-power applications occasion.
SERVO CONTROL driver, as the crucial unit of electromechanical servo system, is electromechanical servo system emphasis research direction always.Control and drive system power level in the past for Aero-Space servo field mostly is below multikilowatt, and have recent years several prods to reach multikilowatt, but maximum power is all less than 5 kilowatts, the busbar voltage used all is less than 200 volts.Have tens kilowatts in the control and drive system power level of industrial servo field application, but its environmental suitability is poor, and volume is comparatively large, can not meet the requirement of Aero-Space servo field narrow installation space, the harsh quality upper limit, severe environmental conditions.
Electromechanical servo system is long with its memory time, maintainability good, convenient test, use time are short, use the advantages such as flexible, obtain each side more and more to approve, the 10 multikilowatt control and drive system of Aero-Space servo field to adaptation narrow installation space, the harsh quality upper limit, severe mechanical environment, wide temperature range propose strong demand.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of highly reliable SERVO CONTROL driver, can improve SERVO CONTROL actuator power grade, improves the specific power of SERVO CONTROL driver, strengthen electromagnetic environment adaptability and mechanical environment adaptability.
(2) technical scheme
To achieve these goals, the utility model provides a kind of highly reliable SERVO CONTROL driver, comprise: housing, control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard, power amplifier board and connector body, wherein, described housing is for holding described control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard and power amplifier board; Described control board and described capacitor board, power panel and power amplifier board for supporting described control board, and are carried out strong and weak electricity isolation by described control board supporting bracket; Described power amplifier board is installed on described housing bottom; Described power panel backboard is for supporting described power panel, and described power panel backboard is installed on described power amplifier board; Described capacitor board backboard is for supporting described capacitor board, and described capacitor board backboard is installed on described housing bottom, and with described power panel backboard and Column Layout; Described connector body is installed on described housing sidewall.
Preferably, described housing comprises casing base and case lid, and described casing base comprises bottom and the sidewall of described housing, and it adopts overall aluminium to make.
Preferably, described control board comprises bus interface circuit, DSP and peripheral circuit, secondary power supply translation circuit and signal conversion and treatment circuit.
Preferably, described capacitor board comprises electric capacity, for absorbing surge voltage; Arrange insulated column between described capacitor board and described capacitor board backboard, three is connected by screw and nut.
Preferably, described power panel comprises secondary power supply translation circuit, overvoltage crowbar and current foldback circuit; Arrange insulated column between described power panel and described power panel backboard, three is connected by screw and nut.
Preferably, described overvoltage crowbar comprises busbar voltage testing circuit, stagnant ring comparison circuit and leadage circuit, and wherein, described busbar voltage testing circuit is for detecting busbar voltage, and it comprises bleeder circuit and isolating amplifier circuit; Described stagnant ring comparison circuit is used for the voltage threshold of busbar voltage and setting to compare; Described leadage circuit comprises isolated drive circuit, mosfet pipe, fly-wheel diode and bleeder resistance; When described busbar voltage is higher than the first voltage threshold V1, opens described mosfet by described isolated drive circuit and manage, described busbar voltage is consumed by described bleeder resistance; When described busbar voltage is lower than the second voltage threshold V2, turns off described mosfet by described isolated drive circuit and manage, stop described busbar voltage to release; Wherein, V1>V2>VDC, described VDC are external power power input voltage.
Preferably, described current foldback circuit comprises electric current isolation Acquisition Circuit, comparison circuit, circuits for triggering and pwm signal lockout circuit, and wherein, described electric current isolation Acquisition Circuit is for detecting two-way phase current; Described comparison circuit is used for the current threshold of phase current and setting to compare, and it comprises two operational amplifiers and resistor network; When described phase current I is greater than the first current threshold I1 or is less than the second current threshold I2, described comparison circuit output low level signal, controls described pwm signal lockout circuit by described circuits for triggering and blocks pwm signal; When described phase current I is less than described first current threshold I1 and is greater than described second current threshold I2, described comparison circuit exports high level signal, controls the enable pwm signal of described pwm signal lockout circuit by described circuits for triggering.
Preferably, described power amplifier board comprises power main circuit, driving and protective circuit.
Preferably, the busbar voltage anode of described capacitor board is connected by a joint pin with the busbar voltage anode of described power amplifier board, and the busbar voltage negative terminal of described capacitor board is connected by another joint pin with the busbar voltage negative terminal of described power amplifier board.
Preferably, adopt between described casing base and described case lid and conduct electricity insulation cushion and seal, between described casing base and described connector body, adopt plug conductive insulation cushion to seal.
(3) beneficial effect
The SERVO CONTROL driver that the utility model provides has the following advantages: 1, good anti-vibration: the utility model is by taking monoblock aluminium Milling Process to form SERVO CONTROL driver drain pan, all circuit boards are supported by backboard or supporting bracket, power section is divided into power power-supply plate, power amplifier board, capacitor board to reduce the measures such as the area of circuit board, improves the vibration resistance of control and drive system; 2, Electro Magnetic Compatibility is strong: the utility model forms by control and drive system drain pan being taked monoblock aluminium Milling Process, reduce the contact gap of control and drive system, between control and drive system cover plate and drain pan, between connector receptable and housing, increase the measures such as conductive pad, reduce the external electromagnetic radiation of control and drive system, improve and control driven shield effect, division board is supported by increasing under control board, reduce the electromagnetic interference of power section to control section, improve the Electro Magnetic Compatibility of control and drive system; 3, reliability is high: the utility model, by adding overvoltage crowbar and current foldback circuit in SERVO CONTROL driver, improves the reliability of SERVO CONTROL driver.
Accompanying drawing explanation
With reference to the accompanying drawings and further describe the utility model in conjunction with example.Wherein:
Fig. 1 shows highly reliable SERVO CONTROL activation configuration schematic diagram of the present utility model;
Fig. 2 a shows the highly reliable control board of SERVO CONTROL driver of the present utility model and the front view of supporting bracket;
Fig. 2 b shows the highly reliable control board of SERVO CONTROL driver of the present utility model and the vertical view of supporting bracket;
Fig. 3 a shows the highly reliable power panel of SERVO CONTROL driver of the present utility model and the front view of backboard;
Fig. 3 b shows the highly reliable power panel of SERVO CONTROL driver of the present utility model and the vertical view of backboard;
The left view that the joint pin that Fig. 4 a shows highly reliable SERVO CONTROL driver of the present utility model is installed;
The front view that the joint pin that Fig. 4 b shows highly reliable SERVO CONTROL driver of the present utility model is installed;
The vertical view that the joint pin that Fig. 4 c shows highly reliable SERVO CONTROL driver of the present utility model is installed;
Fig. 5 shows the overvoltage protection functional-block diagram of highly reliable SERVO CONTROL driver of the present utility model;
Fig. 6 shows the overcurrent protection functional-block diagram of highly reliable SERVO CONTROL driver of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, provide a kind of highly reliable SERVO CONTROL driver according to the utility model, it comprises: housing (containing casing base 1, case lid 2), control board 3, control board supporting bracket 4, capacitor board 5, capacitor board backboard 6, power panel 7, power panel backboard 8, power amplifier board 9 and connector body 12.
Wherein, described housing is for holding described control board 3, control board supporting bracket 4, capacitor board 5, capacitor board backboard 6, power panel 7, power panel backboard 8, power amplifier board 9.
With reference to Fig. 2 a ~ 2b, described control board 3 for supporting described control board 3, and is carried out strong and weak electricity isolation with described capacitor board 5, power panel 7 and power amplifier board 9 by described control board supporting bracket 4.
Wherein, described capacitor board backboard 6 is for supporting described capacitor board 5, and described capacitor board backboard 6 is installed on described housing bottom, and with described power panel backboard 8 Column Layout.
With reference to Fig. 3 a ~ 3b, described power panel backboard 8 is for supporting described power panel 7, and described power panel backboard 8 is installed on described power amplifier board 9.
With reference to Fig. 4 a ~ 4c, described power amplifier board 9 is installed on described housing bottom, and described power amplifier board 9 is connected by two joint pins 13 with the positive and negative end of busbar voltage of described power panel 7.
Wherein, described connector body 12 is installed on described housing sidewall.
According to the embodiment that the utility model provides, described housing comprises casing base 1 and case lid 2, described casing base 1 comprises bottom and the sidewall of described housing, it adopts overall aluminium to make (such as, monoblock aluminium Milling Process can be taked to form), thus improve vibration resistance and the effectiveness of SERVO CONTROL driver.
According to the embodiment that the utility model provides, described control board 3 comprises bus interface circuit, DSP and peripheral circuit, secondary power supply translation circuit and signal conversion and treatment circuit.It is mainly used in realizing receiving bus command signal, and run location, speed, electric current three close-loop control algorithm, export 6 road pwm signals, and by bus loopback telemetered signal.
According to the embodiment that the utility model provides, described capacitor board 5 comprises electric capacity (such as, can comprise four thin-film capacitors), for absorbing surge voltage; Arrange insulated column between described capacitor board 5 and described capacitor board backboard 6, three is connected by screw and nut.Connected by this set, not only can gain in strength, and the harm that jerk brings can be reduced.
According to the embodiment that the utility model provides, described power panel 7 comprises secondary power supply translation circuit, overvoltage crowbar and current foldback circuit; Arrange insulated column between described power panel 7 and described power panel backboard 8, three is connected by screw and nut.Connected by this set, not only can gain in strength, and the harm that jerk brings can be reduced.It is mainly used in realizing four groups of+28V and turns the function of+15V and-8V and busbar voltage monitoring and controlling functions of releasing.
With reference to Fig. 5, particularly, described overvoltage crowbar comprises busbar voltage testing circuit, stagnant ring comparison circuit and leadage circuit, and wherein, described busbar voltage testing circuit is for detecting busbar voltage, and it comprises bleeder circuit and isolating amplifier circuit; Described stagnant ring comparison circuit is used for the voltage threshold of busbar voltage and setting to compare; Described leadage circuit comprises isolated drive circuit, mosfet pipe, fly-wheel diode and bleeder resistance; When described busbar voltage is higher than the first voltage threshold V1, opens described mosfet by described isolated drive circuit and manage, described busbar voltage is consumed by described bleeder resistance; When described busbar voltage is lower than the second voltage threshold V2, turns off described mosfet by described isolated drive circuit and manage, stop described busbar voltage to release; Wherein, V1>V2>VDC, described VDC are external power power input voltage.
With reference to Fig. 6, particularly, described current foldback circuit comprises electric current isolation Acquisition Circuit, comparison circuit, circuits for triggering and pwm signal lockout circuit, and wherein, described electric current isolation Acquisition Circuit is for detecting two-way phase current; Described comparison circuit is used for the current threshold of phase current and setting to compare, and it comprises two operational amplifiers and resistor network; As described phase current I (I
uor I
v) when being greater than the first current threshold I1 or being less than the second current threshold I2, described comparison circuit output low level signal, controls described pwm signal lockout circuit by described circuits for triggering and block pwm signal; As described phase current I (I
uor I
v) when being less than described first current threshold I1 and being greater than described second current threshold I2, described comparison circuit exports high level signal, controls the enable pwm signal of described pwm signal lockout circuit by described circuits for triggering.
According to the embodiment that the utility model provides, described power amplifier board 9 can be IGBT and drive plate, and it can comprise power main circuit, driving and protective circuit.It is mainly used in realizing three phase full bridge inversion and power device defencive function.
With reference to Fig. 4 a ~ 4c, according to the embodiment that the utility model provides, the busbar voltage anode of described capacitor board 5 is connected by a joint pin 13 with the busbar voltage anode of described power amplifier board 9, and the busbar voltage negative terminal of described capacitor board 5 is connected by another joint pin 13 with the busbar voltage negative terminal of described power amplifier board 9.In order to improve contact reliability, described joint pin 13 can adopt gold-plated or silver plating process, and described joint pin 13 not only serves the effect of electrical connection, also serves mechanical support effect.
According to the embodiment that the utility model provides, adopt between described casing base 1 and described case lid 2 and conduct electricity insulation cushion 10 and seal, between described casing base 1 and described connector body 12, adopt plug conductive insulation cushion 11 to seal.By adopting conduction insulation cushion to seal at seam crossing, further increase the shield effectiveness of SERVO CONTROL driver.
Description of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a highly reliable SERVO CONTROL driver, is characterized in that, comprising: housing, control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard, power amplifier board and connector body, wherein,
Described housing is for holding described control board, control board supporting bracket, capacitor board, capacitor board backboard, power panel, power panel backboard and power amplifier board;
Described control board and described capacitor board, power panel and power amplifier board for supporting described control board, and are carried out strong and weak electricity isolation by described control board supporting bracket;
Described power amplifier board is installed on described housing bottom;
Described power panel backboard is for supporting described power panel, and described power panel backboard is installed on described power amplifier board;
Described capacitor board backboard is for supporting described capacitor board, and described capacitor board backboard is installed on described housing bottom, and with described power panel backboard and Column Layout;
Described connector body is installed on described housing sidewall.
2. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, described housing comprises casing base and case lid, and described casing base comprises bottom and the sidewall of described housing, and it adopts overall aluminium to make.
3. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, described control board comprises bus interface circuit, DSP and peripheral circuit, secondary power supply translation circuit and signal conversion and treatment circuit.
4. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, described capacitor board comprises electric capacity, for absorbing surge voltage; Arrange insulated column between described capacitor board and described capacitor board backboard, three is connected by screw and nut.
5. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, described power panel comprises secondary power supply translation circuit, overvoltage crowbar and current foldback circuit; Arrange insulated column between described power panel and described power panel backboard, three is connected by screw and nut.
6. SERVO CONTROL driver highly reliable as claimed in claim 5, is characterized in that, described overvoltage crowbar comprises busbar voltage testing circuit, stagnant ring comparison circuit and leadage circuit, wherein,
Described busbar voltage testing circuit is for detecting busbar voltage, and it comprises bleeder circuit and isolating amplifier circuit;
Described stagnant ring comparison circuit is used for the voltage threshold of busbar voltage and setting to compare;
Described leadage circuit comprises isolated drive circuit, mosfet pipe, fly-wheel diode and bleeder resistance.
7. SERVO CONTROL driver highly reliable as claimed in claim 5, is characterized in that, described current foldback circuit comprises electric current isolation Acquisition Circuit, comparison circuit, circuits for triggering and pwm signal lockout circuit, wherein,
Described electric current isolation Acquisition Circuit is for detecting two-way phase current;
Described comparison circuit is used for the current threshold of phase current and setting to compare, and it comprises two operational amplifiers and resistor network.
8. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, described power amplifier board comprises power main circuit, driving and protective circuit.
9. SERVO CONTROL driver highly reliable as claimed in claim 4, it is characterized in that, the busbar voltage anode of described capacitor board is connected by a joint pin with the busbar voltage anode of described power amplifier board, and the busbar voltage negative terminal of described capacitor board is connected by another joint pin with the busbar voltage negative terminal of described power amplifier board.
10. SERVO CONTROL driver highly reliable as claimed in claim 1, is characterized in that, adopts to conduct electricity insulation cushion and seal between described casing base and described case lid, adopts plug conductive insulation cushion to seal between described casing base and described connector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117701.3U CN204539008U (en) | 2015-02-27 | 2015-02-27 | Highly reliable servo control driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520117701.3U CN204539008U (en) | 2015-02-27 | 2015-02-27 | Highly reliable servo control driver |
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| Publication Number | Publication Date |
|---|---|
| CN204539008U true CN204539008U (en) | 2015-08-05 |
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ID=53752964
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520117701.3U Active CN204539008U (en) | 2015-02-27 | 2015-02-27 | Highly reliable servo control driver |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107968618A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of protective device and control system of high-power control driver |
-
2015
- 2015-02-27 CN CN201520117701.3U patent/CN204539008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107968618A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of protective device and control system of high-power control driver |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |