CN103234571A - Rotary transformer calibration system device for motor and zero point test method - Google Patents
Rotary transformer calibration system device for motor and zero point test method Download PDFInfo
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- CN103234571A CN103234571A CN2013101511283A CN201310151128A CN103234571A CN 103234571 A CN103234571 A CN 103234571A CN 2013101511283 A CN2013101511283 A CN 2013101511283A CN 201310151128 A CN201310151128 A CN 201310151128A CN 103234571 A CN103234571 A CN 103234571A
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Abstract
The invention discloses a rotary transformer calibration system device for a motor, comprising a direct current power supply, wherein the direct current power supply is electrically connected with a zero setting controller, the zero setting controller is electrically connected with a direct current 12 V switch power supply, the zero setting controller is in signal connection with a CAN (controller area network) communication cable, a touch operation panel and one end of a controller signal connecting clip, the CAN communication cable is in signal connection with the touch operation panel, and the touch operation panel is electrically connected with a direct current 24 V switching power supply. The invention also discloses a zero point test method applying the device. The zero point test method comprises the steps that firstly, a current value is input through the touch operation panel, the motor is electrified; a stator of the rotary transformer is manually rotated and is stopped from rotating until reaching the range calibrated by the zero point; and finally, a pressing plate and a motor end cover of the motor are fixed through screws. The rotary transformer calibration system device for the motor and the zero point test method have the beneficial effects that the operation is quick, simple and intuitive, the production efficiency can be improved effectively, the rotary transformer calibration system device is applicable to batch production, and the rotary transformer zero point test method for the motor has good generality.
Description
Technical field
The invention belongs to new-energy automobile drive motor systems technology field, relate to a kind of motor rotary transformer calibration system device, the invention still further relates to the zero test method of this device.
Background technology
The general permagnetic synchronous motor system with high-level efficiency and high power density characteristic that adopts drives for the new-energy automobile drive system, for rotor-position sensor, permagnetic synchronous motor generally adopts rotary transformer, obtain the current location of rotor by decoding, because revolving displacement puts installation difference, the angle difference of sensor between the motor individuality, need revolve the change rotor-position to motor and unify Zero calibration, make rotor-position more accurate, realization is to the accurate control of permagnetic synchronous motor, scaling method and caliberating device commonly used at present are as follows: assay method increases or reduces side-play amount and compensates this deviation by software, the control software algorithm that can cause different motors to use like this is different, and versatility is bad.Caliberating device: rotate by controller control servomotor, servomotor drives shift fork, will revolve to become and adjust to zero point.This apparatus structure complexity, servomotor shift fork and rotary transformer position alignment require high.Satisfy the demand that streamline in enormous quantities is produced with upper type versatility and the equal difficulty of structural behaviour.
Summary of the invention
The purpose of this invention is to provide motor rotary transformer calibration system device, solved the baroque problem of existing apparatus.
Another object of the present invention has provided the zero test method of motor rotary transformer calibration system device, has solved the bad problem of existing method of testing versatility.
The technical solution adopted in the present invention is a kind of motor rotary transformer calibration system device, comprise direct supply, direct supply is electrically connected with the zeroing controller, the zeroing controller is electrically connected with direct current 12V Switching Power Supply, the zeroing controller is connected chuck one end signal and connects with the CAN communications cable, touch guidance panel, controller signals, the CAN communications cable is connected with touch guidance panel signal, touch guidance panel is electrically connected with direct current 24V Switching Power Supply, and the process chip of zeroing controller is the DSP2808 chip.
Another kind of technical scheme of the present invention provides motor rotary transformer calibration system device zero test method, finishes by following steps:
The process chip of zeroing controller (2) is the DSP2808 chip.
The invention has the beneficial effects as follows that operation is quick, simple, directly perceived, can effectively enhance productivity, be applicable to mass production, and motor rotary transformer zero test method versatility is good.
Description of drawings
Fig. 1 is the structural representation of motor rotary transformer calibration system device normalization state of the present invention;
Fig. 2 is the cut-open view that is connected of motor of the present invention and rotary transformer.
Among the figure, 1. direct supply, 2. zeroing controller, 3. motor, 4. rotary transformer, 5. controller signals connects chuck, 6. direct current 12V Switching Power Supply, the 7.CAN communications cable, 8. direct current 24V Switching Power Supply, 9. touch guidance panel, 10. rotor, 11. transformer rotors, 12. end cap, 13. pressing plate, 14. stators, 15. screws.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, comprise direct supply 1, direct supply 1 is electrically connected with zeroing controller 2, zeroing controller 2 is electrically connected with direct current 12V Switching Power Supply 6, zeroing controller 2 is connected chuck 5 one end signals and connects with the CAN communications cable 7, touch guidance panel 9, controller signals, the CAN communications cable 7 is connected with touch guidance panel 9 signals, and touch guidance panel 9 is electrically connected with direct current 24V Switching Power Supply 8.During work, with the electric wire connection motor 3 of zeroing controller 2, controller signals connects chuck 5 other ends and connects rotary transformer 4 by signal wire, and motor 3 links together with rotary transformer 4.
Under the duty, as shown in Figure 2, motor 3 comprises rotor 10 and end cap 12, rotary transformer 4 comprises transformer rotor 11 and stator 14, stator 14 is pressed on the end cap 12 of motor 3 by pressing plate 13, pressing plate 13 is connected by screw 15 on the end cap 12 of motor 3, and transformer rotor 11 is fixedlyed connected with rotor 10.
Measure at zero point of the present invention demarcate method of testing and testing procedure as follows:
Step 2: 2 controls of zeroing controller load three-phase current for motor 3, and its direction of current flows out from B, C mutually for to flow into mutually from U, and this moment, motor 3 will be by locked a fixed position when current value is enough big.Step 3: under motor 3 "on" positions, observe showing motor 3 position angle values in the touch guidance panel 9.Rotate rotary transformer 4 stators 14, the change that motor 3 angle values will be real-time in the touch guidance panel 9.Stop operating in the time of in motor 3 angle values are adjusted to the demarcation specialized range, rotary transformer 4 is locked on the end cap 12 of motor 3 by pressing plate 13, demarcation is finished.
Concrete principle of the present invention is: direct supply 1: be used for simulated battery, give zeroing controller 2 DC bus powered.Zeroing controller 2: by housing, inversion module, drive plate, current sensor, control panel is formed, and comprises the DSP2808 process chip on the control panel, revolves to become decoding chip and decoding circuit current detection circuit, overvoltage, current foldback circuit etc.Housing is provided with communication interface, direct current inlet wire interface, three go out line interface, the zeroing controller has inversion, current detecting, revolve the varying signal decoding, the function of pwm signal output, wherein write the zeroing control algolithm in the DSP process chip, algorithm is write based on using the electric current close-loop control mode, the CAN communications cable 7, direct current inlet wire and three-phase outlet, controller three-phase outlet U, V, W respectively with the U of motor 3, V, three phase lines of W are corresponding to be connected, the direct current inlet wire is connected with direct supply, zeroing controller 2 position signalling ends are connected by the quick ways of connecting of clip with rotary transformer 4 signal wires, the CAN interface is connected with touch control panel 9 by the CAN communications cable 7, the inner current closed-loop that adopts of controller is controlled, can control the size and Orientation of the input current of motor 3 accurately, rotary transformer 4 decoding chips can be decoded to the signal that collects accurately, and the core processor that sends controller after the decoding to is handled, and are finally determined the angle position of motor 3 by the core processing machine.Rotary transformer 4: be used for measuring by rotor 10 positions of measured motor 3, be installed on by an end face of measured motor 3.Transformer rotor 11 is fastening locked by screw 15 with rotor 10, has a pressing plate 13 to be pressed abd fixed on the end cap 12 of motor 3 by the stator 14 of screw 15 with rotary transformer 4.Controller signals connects chuck 5: adopt the clip method of clamping to be connected with revolving the varying signal lead-in wire, can connect fast and revolve the varying signal output line.Touch guidance panel 9: by the start and stop of measured motor 3, the input of loading current value and rotor position angle show that touch guidance panel 9 is by the CAN communications cable 7 and 2 communications of zeroing controller.The CAN communications cable 7: be used for zeroing controller 2 and communicate with touch guidance panel 9, it follows the general CAN2.0 agreement of automobile industry.Direct current 24V Switching Power Supply 8: give touch guidance panel 9 power supplies.Direct current 12V Switching Power Supply 6: the weak control circuit power supply of giving zeroing controller 2.
Measure scaling method zero point following details arranged:
1. will revolve the varying signal output line controller signals that is clamped and connected and connect on the chuck 5, three output line terminal of balancing controls adopt U-shaped wiring nose clip, with screw U-shaped wiring nose are crimped on motor 3 junction blocks.
2. input current value on touch guidance panel 9 is pressed start button, motor 3 energisings this moment, and rotor 10 will be locked in the fixed position.
3. rotate rotary transformer stator 14, the change that the data of motor 3 positions that show on the touch guidance panel 9 this moment also will be real-time.
4. when the change in angular position on the touch guidance panel 9 is in the zero point specialized range, stop operating, compress the stator 14 of rotary transformer 4 with pressing plate 13, pressing plate 13 is locked on the end cap 12 of motor 3 with screw 15 then, press stopping key of touch guidance panel 9, demarcation is finished.
Below be to preferred property of the present invention statement by reference to the accompanying drawings; should illustrate: specific implementation of the present invention is not subjected to above restriction; the various improvement of carrying out on the basis of adopting principle of the present invention and mode are modified; or directly apply to other occasions, all should be considered as protection scope of the present invention.
Claims (4)
1. motor rotary transformer calibration system device, it is characterized in that: comprise direct supply (1), direct supply (1) is electrically connected with zeroing controller (2), zeroing controller (2) is electrically connected with direct current 12V Switching Power Supply (6), zeroing controller (2) is connected chuck (5) one end signals and connects with the CAN communications cable (7), touch guidance panel (9), controller signals, the CAN communications cable (7) is connected with touch guidance panel (9) signal, and touch guidance panel (9) is electrically connected with direct current 24V Switching Power Supply (8).
2. according to the described a kind of motor rotary transformer calibration system device of claim 1, it is characterized in that: the process chip of described zeroing controller (2) is the DSP2808 chip.
3. be applied to the method for the described a kind of motor rotary transformer calibration system device of claim 1, it is characterized in that finishing by following steps:
Step 1, at first use described direct supply (1) and described direct current 12V Switching Power Supply (6) to give described zeroing controller (2) power supply, be connected with described touch guidance panel (9) and communicate with the described CAN communications cable (7) controller (2) that will return to zero, give touch guidance panel (9) power supply with described direct current 24V Switching Power Supply (8), being wired on the motor (3) of controller (2) of will returning to zero powered to motor (3), described controller signals is connected chuck (5) other end to be connected on the rotary transformer (4) by signal wire, go up input current value and import startup command and give zeroing controller (2) at touch guidance panel (9), zeroing controller (2) is given motor (3) energising according to the current value of input;
Step 2, under motor (3) "on" position, the stator (14) of hand rotation rotary transformer (4) stopped operating when time in the scope that turns to Zero calibration;
Step 3 uses pressing plate (13) to compress the stator (14) of rotary transformer (4) at last, by screw (15) pressing plate (13) and the electric motor end cap (12) of motor (3) is fixed, and finishes whole test process.
4. according to the method for the described a kind of motor rotary transformer calibration system device of claim 3, it is characterized in that: the process chip of described zeroing controller (2) is the DSP2808 chip.
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Cited By (6)
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CN104697434A (en) * | 2013-12-10 | 2015-06-10 | 中国航空工业第六一八研究所 | Rotor zero-adjustment structure of double-redundancy angular displacement sensor and adjustment method of rotor zero-adjustment structure |
CN105699837A (en) * | 2014-11-28 | 2016-06-22 | 沈阳兴华航空电器有限责任公司 | Rotary transformer test clamping device |
CN106017535A (en) * | 2016-07-21 | 2016-10-12 | 北京美联桥科技发展有限公司 | Device and method for calibrating position sensor of motor driven valve |
CN107449442A (en) * | 2016-04-22 | 2017-12-08 | 西门子公司 | Method, linear drive apparatus and equipment |
CN108120453A (en) * | 2017-12-11 | 2018-06-05 | 西北机电工程研究所 | Receiver balancing controls |
CN109921574A (en) * | 2019-03-29 | 2019-06-21 | 安徽安凯汽车股份有限公司 | A kind of the rotation change zero-bit debugging apparatus and method of permanent magnet synchronous motor |
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CN102176651A (en) * | 2011-03-23 | 2011-09-07 | 奇瑞汽车股份有限公司 | Method and system for calibrating zero point of permanent magnet synchronous motor rotor |
CN102904504A (en) * | 2012-11-01 | 2013-01-30 | 重庆长安汽车股份有限公司 | Permanent magnet synchronous motor system for automobile |
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JP2005204406A (en) * | 2004-01-15 | 2005-07-28 | Fanuc Ltd | Method of detecting angular difference and controller for synchronous motor |
CN101552585A (en) * | 2009-05-12 | 2009-10-07 | 奇瑞汽车股份有限公司 | Rotation motor zero calibrating method for hybrid and electric automobile |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN104697434A (en) * | 2013-12-10 | 2015-06-10 | 中国航空工业第六一八研究所 | Rotor zero-adjustment structure of double-redundancy angular displacement sensor and adjustment method of rotor zero-adjustment structure |
CN105699837A (en) * | 2014-11-28 | 2016-06-22 | 沈阳兴华航空电器有限责任公司 | Rotary transformer test clamping device |
CN105699837B (en) * | 2014-11-28 | 2018-05-25 | 沈阳兴华航空电器有限责任公司 | A kind of rotary transformer tests clamping apparatus |
CN107449442A (en) * | 2016-04-22 | 2017-12-08 | 西门子公司 | Method, linear drive apparatus and equipment |
CN107449442B (en) * | 2016-04-22 | 2020-09-04 | 西门子公司 | Method, linear drive and device |
CN106017535A (en) * | 2016-07-21 | 2016-10-12 | 北京美联桥科技发展有限公司 | Device and method for calibrating position sensor of motor driven valve |
CN106017535B (en) * | 2016-07-21 | 2017-09-05 | 北京美联桥科技发展有限公司 | A kind of motor-driven valve position sensor caliberating device and method |
CN108120453A (en) * | 2017-12-11 | 2018-06-05 | 西北机电工程研究所 | Receiver balancing controls |
CN109921574A (en) * | 2019-03-29 | 2019-06-21 | 安徽安凯汽车股份有限公司 | A kind of the rotation change zero-bit debugging apparatus and method of permanent magnet synchronous motor |
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