CN106487165A - Current sensor of motor controller current coefficient calibration system - Google Patents
Current sensor of motor controller current coefficient calibration system Download PDFInfo
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- CN106487165A CN106487165A CN201611030811.1A CN201611030811A CN106487165A CN 106487165 A CN106487165 A CN 106487165A CN 201611030811 A CN201611030811 A CN 201611030811A CN 106487165 A CN106487165 A CN 106487165A
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Abstract
The present invention relates to current sensor of motor controller current coefficient calibration system.Purpose is that the system that provides should be have the characteristics that reliability height, low cost, easy to operate.Technical scheme is：A kind of current sensor of motor controller current coefficient calibration system, it is characterized in that the system includes the calibration system circuit board unit being connected respectively with the three pole reactor coil of motor and electric machine controller, the power subsystem being connected with calibration system circuit board unit, electric machine controller and heat-sink unit respectively, and the man-machine interface being connected with calibration system circuit board unit.
Description
Technical field
Patent of the present invention is related to the technical field of measurement and test of control system or its part, more particularly to a kind of determination current coefficient
Current sensor of motor controller current coefficient calibration system.
Background technology
Electric machine controller is the electric device that the motion process to motor carries out Comprehensive Control, can neatly controlled motor
Working condition.Electric machine controller circuit plate includes MOSFET control circuit module, drive module and protection circuit module etc., leads to
Cross on electric machine controller circuit plate modules to complete motor control work；Wherein, the current acquisition in current acquisition module
Chip (as SS490 array of linear Hall chip), such cake core are three pin straight cutting non-integration class chips, need to coordinate magnet ring
Electric current input could be converted into voltage output；And in its welding process, it is impossible to ensure the chip on every piece of circuit board
Position is completely the same, it may appear that the uncontrollable problem such as be just slightly different, tilt forward and back, tilting.If using single
One a set of current coefficient, various boards can collect different current data under the conditions of identical actual current, make electricity
Machine controller cannot accurately obtain the current phase current data of motor, so that motor does not reach the working condition that specifies, or even meeting
There are the serious problems of control failure.
Content of the invention
The technical problem to be solved is to overcome the shortcomings of above-mentioned background technology, proposes a kind of reliability height, becomes
This low, easy to operate current sensor of motor controller current coefficient calibration system, so as to for each electric machine controller electricity
Flow sensor demarcates a well-determined current coefficient.
For solving above-mentioned technical problem, the technical scheme that the present invention is provided is：
A kind of current sensor of motor controller current coefficient calibration system, it is characterised in that the system include respectively with
The three pole reactor coil of motor and the calibration system circuit board unit of electric machine controller connection, respectively with calibration system circuit board list
The power subsystem of unit, electric machine controller and heat-sink unit connection, and the man-machine interface being connected with calibration system circuit board unit.
Preferably, be provided with the calibration system circuit board unit interconnective AD acquisition module, CAN and
Drive module；Described CAN is connected with electric machine controller, and described drive module is connected with man-machine interface；
The three pole reactor coil is connected with electric machine controller by the three-phase wire through AD acquisition module, and aforementioned AD acquisition module is used
Actual phase current data in collection three-phase wire.
Preferably, the friendship being connected with power module of voltage regulation and power switch power source module respectively is provided with the power subsystem
Stream power supply；The AC power is also connected with heat-sink unit, the power module of voltage regulation and calibration system circuit board unit phase
Connection, the power switch power source module are connected with electric machine controller.
Preferably, after the man-machine interface includes to be connected in parallel again LED connected with calibration system circuit board unit, from extensive
Multiple button and rotary switch.
Preferably, the heat-sink unit is the ac fan for providing wind-cooling heat dissipating for three pole reactor coil.
The present invention drives calibration system circuit board unit with calibration system circuit board unit as core by power subsystem
Work with electric machine controller.Under the control of man-machine interface, calibration system circuit board unit gathers actual phase current data；With
When, electric machine controller gathers phase current AD data；Then calibration system circuit board unit is by the actual phase current data for collecting
Electric machine controller is sent to through CAN, the actual phase current data for receiving are gathered by electric machine controller with itself
Phase current AD data write into the FLASH of MCU in the lump, while showing in man-machine interface that calibration system is operated successfully.So, treat every
On secondary electric machine controller during electricity, it is possible to read the actual phase current data in FLASH and phase current AD data, and compare generation
The unique current sense coefficient of the current sensor of motor controller, with high reliability and uniqueness.
The invention has the beneficial effects as follows：Calibration system provided by the present invention, is obtained in that high reliability and uniqueness
Current sensor of motor controller current coefficient, makes electric machine controller obtain the accurate data of the current phase current of motor, so that
Motor enters the working condition specified, have the characteristics that reliability height, low cost, easy to operate.
Description of the drawings
Fig. 1 is the schematic block circuit diagram of the present invention.
Fig. 2 is the schematic block circuit diagram of the specific embodiment of the present invention.
Specific embodiment
Further describe with specific embodiment below in conjunction with the accompanying drawings, but the present invention is not limited to this.
As illustrated, current sensor of motor controller calibration system of the present invention includes the demarcation being connected with electric machine controller
Circuit system Slab element, power subsystem man-machine interface connected with calibration system circuit board, heat-sink unit and three inductor wires
Circle.The power subsystem is connected with calibration system circuit board unit, electric machine controller and heat-sink unit respectively, to provide work
Energy；The electric machine controller is connected with three-phase wire by three pole reactor coil.
The calibration system circuit board unit includes AD acquisition module, CAN and drive module.AD gathers mould
It is connected with each other between block, CAN and drive module；Wherein, the HC5F system of the preferred LEM company of described AD acquisition module
Row integrated current sensors unit, three-phase wire pass through the integration module, so as to flow through in the module collection three-phase wire
Actual phase current data；The SN65HVD series CAN of the preferred Texas Instruments company production of described CAN
Bus driver module, the module are connected with electric machine controller CAN to be responsible for calibration system circuit board unit with electricity
The transmission of the control command data between machine controller；The ULN2003 of the preferred Texas Instruments company of drive module
Serial integrated transistor array product, is responsible for driving man-machine interface.
Described power subsystem includes AC power, power module of voltage regulation and power switch power source module.Wherein alternating current
Source is 220VAC civil power, the adjustable HY-4000A of the output voltage that the preferred Suzhou Huan Ya company of power switch power source module produces
Large-scale power switch power source, the highly developed LM1085 series drop of the preferred Texas Instruments company of power module of voltage regulation
Pressure Voltage stabilizing module.AC power is connected with power switch power source module and power module of voltage regulation to provide input power respectively.
AC power is also connected with heat-sink unit, is that heat-sink unit provides input ac power；Power module of voltage regulation and calibration system
Circuit board unit is connected, and is that calibration system circuit board unit provides stable 12V dc source；Power switch power source module with
Electric machine controller is connected, and is that electric machine controller provides stable 60V dc source.
Described man-machine interface includes self- recoverage button, rotary switch and LED.Wherein self- recoverage button is mainly used to control
Calibration system operating process；Rotary switch is used for controlling electric on calibration system and lower electricity；LED major function is for showing calibration system
Current state, including demarcate successfully, demarcate failure with mistake warning.Driving in man-machine interface and calibration system circuit board unit
Module is connected, and is driven by drive module.
The preferred 220V ac fan of described heat-sink unit, is connected with the AC power in calibration system power subsystem, main
Wind-cooling heat dissipating to be provided to three pole reactor coil.
Described three pole reactor coil is the stator winding of motor, is connected with electric machine controller by three-phase wire and wears
The AD acquisition module of calibration system circuit board unit is crossed, is that electric machine controller provides load.Under the driving of electric machine controller,
Fixing phase current is produced in three-phase wire.
In this calibration system, calibration system circuit board unit and electric machine controller have respective electric current AD collection single respectively
Unit, drives three pole reactor coil to produce three-phase current and detect using electric machine controller.Specific embodiment is, first by three
Phase electric wire is connected on electric machine controller, then makes three-phase wire pass through the AD acquisition module of calibration system circuit board unit, finally
Three-phase wire is connected on three pole reactor coil, so when electric machine controller starts to drive three pole reactor coil, calibration system
Circuit board unit and electric machine controller can gather same phase current simultaneously.
Claims (5)
1. a kind of current sensor of motor controller current coefficient calibration system, it is characterised in that the system include respectively with electricity
The three pole reactor coil of machine and the calibration system circuit board unit of electric machine controller connection, respectively with calibration system circuit board list
The power subsystem of unit, electric machine controller and heat-sink unit connection, and the man-machine interface being connected with calibration system circuit board unit.
2. current sensor of motor controller current coefficient calibration system according to claim 1, it is characterised in that：Described
Interconnective AD acquisition module, CAN and drive module is provided with calibration system circuit board unit；Described CAN
Communication module is connected with electric machine controller, and described drive module is connected with man-machine interface；The three pole reactor coil is by wearing
The three-phase wire for crossing AD acquisition module is connected with electric machine controller.
3. current sensor of motor controller current coefficient calibration system according to claim 1 and 2, it is characterised in that：
The AC power being connected with power module of voltage regulation and power switch power source module respectively is provided with the power subsystem；The exchange
Power supply is also connected with heat-sink unit, and the power module of voltage regulation is connected with calibration system circuit board unit, and the power is opened
Close power module to be connected with electric machine controller.
4. current sensor of motor controller current coefficient calibration system according to claim 3, it is characterised in that：Described
Man-machine interface include to be connected in parallel after LED connected with calibration system circuit board unit, self- recoverage button and rotary switch again.
5. the current sensor of motor controller current coefficient calibration system according to 2 to 4 any bar claims, its feature
It is：The heat-sink unit is the ac fan for providing wind-cooling heat dissipating for three pole reactor coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030811.1A CN106487165A (en) | 2016-11-22 | 2016-11-22 | Current sensor of motor controller current coefficient calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611030811.1A CN106487165A (en) | 2016-11-22 | 2016-11-22 | Current sensor of motor controller current coefficient calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106487165A true CN106487165A (en) | 2017-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611030811.1A Pending CN106487165A (en) | 2016-11-22 | 2016-11-22 | Current sensor of motor controller current coefficient calibration system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942807A (en) * | 2017-12-08 | 2018-04-20 | 杭州美仪自动化有限公司 | PH controller full automatic calibration devices and its scaling method |
| CN108802654A (en) * | 2018-07-06 | 2018-11-13 | 山东大学 | A kind of the automatic Calibration acquisition system and method for forming and capacity dividing test power supply |
| CN110554345A (en) * | 2018-06-01 | 2019-12-10 | 联合汽车电子有限公司 | offline calibration method for current sensor |
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| CN103543741A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Motor controller test box |
| JP2014093932A (en) * | 2012-10-31 | 2014-05-19 | Fuji Hensokuki Co Ltd | Geared motor with overload protection device |
| CN204013553U (en) * | 2014-09-02 | 2014-12-10 | 陈思源 | Modularization can power supply expanding device and lightwave signal emitter |
| CN104950158A (en) * | 2015-06-17 | 2015-09-30 | 深圳市航盛电子股份有限公司 | Current signal acquisition circuit and current signal acquisition system |
| CN206498301U (en) * | 2016-11-22 | 2017-09-15 | 浙江西盈科技股份有限公司 | Current sensor of motor controller current coefficient calibration system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2014093932A (en) * | 2012-10-31 | 2014-05-19 | Fuji Hensokuki Co Ltd | Geared motor with overload protection device |
| CN103543741A (en) * | 2013-09-25 | 2014-01-29 | 浙江吉利控股集团有限公司 | Motor controller test box |
| CN204013553U (en) * | 2014-09-02 | 2014-12-10 | 陈思源 | Modularization can power supply expanding device and lightwave signal emitter |
| CN104950158A (en) * | 2015-06-17 | 2015-09-30 | 深圳市航盛电子股份有限公司 | Current signal acquisition circuit and current signal acquisition system |
| CN206498301U (en) * | 2016-11-22 | 2017-09-15 | 浙江西盈科技股份有限公司 | Current sensor of motor controller current coefficient calibration system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942807A (en) * | 2017-12-08 | 2018-04-20 | 杭州美仪自动化有限公司 | PH controller full automatic calibration devices and its scaling method |
| CN110554345A (en) * | 2018-06-01 | 2019-12-10 | 联合汽车电子有限公司 | offline calibration method for current sensor |
| CN110554345B (en) * | 2018-06-01 | 2022-04-05 | 联合汽车电子有限公司 | Offline calibration method for current sensor |
| CN108802654A (en) * | 2018-07-06 | 2018-11-13 | 山东大学 | A kind of the automatic Calibration acquisition system and method for forming and capacity dividing test power supply |
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Application publication date: 20170308 |
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