CN110336422A - A kind of hall electric machine rotor-position acquisition device - Google Patents
A kind of hall electric machine rotor-position acquisition device Download PDFInfo
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- CN110336422A CN110336422A CN201910687886.4A CN201910687886A CN110336422A CN 110336422 A CN110336422 A CN 110336422A CN 201910687886 A CN201910687886 A CN 201910687886A CN 110336422 A CN110336422 A CN 110336422A
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- motor
- rotor
- hall
- signal
- electric machine
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Brushless Motors (AREA)
Abstract
The present invention relates to motor rotor position detection device technical fields, and disclose a kind of hall electric machine rotor-position acquisition device, including motor, detection module and control module, shaft is fixedly connected in motor, the outer wall of shaft is fixedly connected with rotor, the outer wall of shaft is fixedly connected with magnet ring, the inner wall of motor is fixedly connected with mounting ring, the inner wall of mounting ring is fixedly connected with multiple Hall sensors corresponding with magnet ring, detection module includes the detection unit and sensing unit for detecting rotor-position, control module includes mainboard, three signal conversion units and signal amplification unit.The hall electric machine rotor-position acquisition device, connecting line only needs one or two, very big to have saved three lines and change cost into a line especially on needing the electric rotating tool product with long connecting line, has a clear superiority on the product for require number of conductors.
Description
Technical field
The present invention relates to motor rotor position detection device technical field, specially a kind of hall electric machine rotor-position acquisition
Device.
Background technique
Hall electric machine, which refers to, can make mechanical energy be converted into electric energy, electric energy is converted into all machines of mechanical energy.It refers in particular to generate electricity
The mechanical, electrical mechanical, electrical motivation of energy can be divided into dc motor and friendship by working power classification according to the difference of electric motor operation power supply
Galvanic electricity motivation.Wherein ac motor is also divided into single-phase motor and threephase motor, classifies by structure and working principle electronic
Machine can be divided into dc motor, asynchronous motor and synchronous motor by structure and working principle.
Traditional Hall position sensor of motor has supply lines, ground line, three Hall output lines, and line is easy connection more
Mistake causes motor not work or burn motor, the strong influence normal use of motor.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of hall electric machine rotor-position acquisition devices, have connecting line only
One or two is needed, it is very big to have saved three lines and change especially on needing the electric rotating tool product with long connecting line
Cost into a line solves traditional motor Hall position the advantages that having a clear superiority on the product for require number of conductors
Setting sensor has supply lines, ground line, three Hall output lines, and line is easy connection error more causes motor not work or burn
Motor is ruined, the problem of strong influence motor normal use.
(2) technical solution
To realize that upper connecting line only needs one or two, especially the electric rotating tool product with long connecting line is being needed
On, very big to have saved three lines and change cost into a line, the purpose having a clear superiority on the product for require number of conductors, this
Invention provides the following technical solutions: a kind of hall electric machine rotor-position acquisition device, including motor, detection module and control mould
Block is fixedly connected with shaft in the motor, and the outer wall of the shaft is fixedly connected with rotor, and the outer wall of the shaft is fixed to be connected
It is connected to magnet ring, the inner wall of the motor is fixedly connected with mounting ring, and the inner wall of the mounting ring is fixedly connected with multiple and magnet ring
Corresponding Hall sensor, the detection module includes the detection unit and sensing unit for detecting rotor-position, described
Control module includes mainboard, three signal conversion units and signal amplification unit, the mainboard, three signal conversion units and letter
Number amplifying unit passes through conducting wire and is electrically connected.
Preferably, distributing position of multiple Hall sensors in mounting ring is in 120 degree or 60 degree.
Preferably, including the implementation method of single line:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal；
Step 2: supply voltage is made to generate curent change circuit by three diodes and motor phase line；
Step 3: according to the curent change of detection to obtain rotor-position.
Preferably, including the implementation method of two-wire:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal, directly passes through
Generate curent change circuit with crossing；
Step 2: according to detection curent change to obtain rotor-position；
Step 3: the circuit and motor for making whole device are for being electrically isolated from.
Preferably, including the circuit theory of single line:
Signal conversion unit is mounted in the circuit on motor, and circuit power supply is powered by the circuit in signal amplification unit and detection
R6 curent change is on supply lines to show that rotor-position, supply voltage VCC pass to signal by Sensor sensing unit end
Converting unit, by C1 filtering to U1 pressure stabilizing, U1 ground terminal is to be connected to motor phase line by D1, D2 and D3 to generate circuit,
In six-step algorithm control, because can all have phase line grounding regardless of the moment when motor works, it can be produced using this ground connection
Raw current loop, C2 filtering output 5V voltage, the power supply of Hall sensor U2, U3 and U4 are just provided by this 5V voltage, Hall
Sensor U2, U3 and U4 are mounted on motor stator with 60 degree or 120 degree of electrical angles respectively, for detecting the angle of rotation of rotor
Degree, Hall sensor U2, U3 and U4 output signal remove driving metal-oxide-semiconductor Q1, Q2 and Q3, allow on metal-oxide-semiconductor resistance R1, R2 of the pole S and
R3 generates different electric currents, this electric current can pass on entire Sensor sensing unit line by metal-oxide-semiconductor Q1, Q2 and Q3 and U1,
The current signal amplification of R6 is given to mainboard MCU in the high side current amplification circuit by signal amplification unit carries out angle conversion.
Preferably, including the circuit theory of two-wire:
The working principle of two-wire and single line is almost the same, different places be not use D1, D2 of signal conversion unit and
Ground line is drawn generate current loop with being individually connected to by tri- diodes of D3, and Current amplifier can also be put with low side current
Big circuit, individually drawing is advantageous in that the pressure resistance deficiency for avoiding diode, and two-wire acquires the work of not limiting motor and motor
Mode, as long as motor converts in operating output current signal for motor rotor position.
Preferably, the U1 is voltage regulation unit, and described D1, D2 and D3 are three diodes, and described R1, R2, R3 and R6 are equal
For resistance, described U2, U3 and U4 are Hall sensor, and described Q1, Q2 and Q3 are metal-oxide-semiconductor.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of hall electric machine rotor-position acquisition device, have it is following the utility model has the advantages that
Five original signal lines are reduced to two or one by the hall electric machine rotor-position acquisition device, will be original
Hall switch signal is converted into the analog signal of curent change, and with two or a wire transmission to mainboard, mainboard is again by electric current
Signal ADC(analog-digital converter) digital signal is converted to, utilize the MCU(microcontroller on mainboard) combine corresponding program number
Word signal is converted into angle of rotor of motor information, and connecting line of the invention only needs one or two, especially needing with length
It is very big to have saved three lines and change cost into a line on the electric rotating tool product of connecting line, requiring number of conductors
It has a clear superiority on product.
Detailed description of the invention
Fig. 1 is a kind of hall electric machine rotor-position acquisition device structural schematic diagram proposed by the present invention；
Fig. 2 is a kind of circuit diagram of hall electric machine rotor-position acquisition device signal conversion unit proposed by the present invention；
Fig. 3 is a kind of circuit diagram of hall electric machine rotor-position acquisition device signal amplification unit proposed by the present invention；
Fig. 4 is a kind of working principle diagram of hall electric machine rotor-position acquisition device motor proposed by the present invention.
In figure: 1 motor, 2 shafts, 3 rotors, 4 magnet rings, 5 mounting rings, 6 Hall sensors, 7 detection modules, 8 control modules,
9 mainboards, 10 signal conversion units.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of hall electric machine rotor-position acquisition device, including motor 1, detection module 7 and control mould
Block 8 is fixedly connected with shaft 2 in motor 1, and the outer wall of shaft 2 is fixedly connected with rotor 3, and the outer wall of shaft 2 is fixedly connected with magnetic
Ring 4, the inner wall of motor 1 are fixedly connected with mounting ring 5, the inner wall of mounting ring 5 be fixedly connected with it is multiple it is corresponding with magnet ring 4 suddenly
That sensor 6, detection module 7 include the detection unit and sensing unit for detecting 3 position of rotor, and control module 8 includes master
Plate, three signal conversion units 10 and signal amplification unit, mainboard, three signal conversion units 10 and signal amplification unit are logical
Cross conducting wire electric connection.
Distributing position of multiple Hall sensors 6 in mounting ring 5 is in 120 degree or 60 degree.
Implementation method including single line:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal；
Step 2: supply voltage is made to generate curent change circuit by three diodes and motor phase line；
Step 3: according to the curent change of detection to obtain rotor-position.
Implementation method including two-wire:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal, directly passes through
Generate curent change circuit with crossing；
Step 2: according to detection curent change to obtain rotor-position；
Step 3: the circuit and motor for making whole device are for being electrically isolated from.
Circuit theory including single line:
Signal conversion unit 10 is mounted in the circuit on motor, and circuit power supply is powered by the circuit in signal amplification unit and inspection
R6 curent change on supply lines is surveyed to show that rotor-position, supply voltage VCC pass to letter by Sensor sensing unit end
Number converting unit 10 is filtered by C1 to U1 pressure stabilizing, and U1 ground terminal is to be connected to motor phase line by D1, D2 and D3 to generate back
It road, can using this ground connection because can all have phase line grounding regardless of the moment when motor works in six-step algorithm control
To generate current loop, C2 filtering output 5V voltage, the power supply of Hall sensor U2, U3 and U4 are just provided by this 5V voltage,
Hall sensor U2, U3 and U4 are mounted on motor stator with 60 degree or 120 degree of electrical angles respectively, for detecting the rotation of rotor
Angle, Hall sensor U2, U3 and U4 output signal remove driving metal-oxide-semiconductor Q1, Q2 and Q3, allow resistance R1, R2 of the pole S on metal-oxide-semiconductor
Different electric currents is generated with R3, this electric current can pass to entire Sensor sensing unit line by metal-oxide-semiconductor Q1, Q2 and Q3 and U1
On, the current signal amplification of R6 is given to mainboard MCU progress angle in the high side current amplification circuit by signal amplification unit changes
It calculates.
Circuit theory including two-wire:
The working principle of two-wire and single line is almost the same, and different places is not use D1, D2 of signal conversion unit 10
With tri- diodes of D3, ground line is drawn generate current loop with being individually connected to, Current amplifier can also use low side current
Amplifying circuit, individually drawing is advantageous in that the pressure resistance deficiency for avoiding diode, and two-wire acquires the work of not limiting motor and motor
Make mode, as long as motor converts in operating output current signal for motor rotor position.
U1 is voltage regulation unit, and D1, D2 and D3 are three diodes, and R1, R2, R3 and R6 are resistance, and U2, U3 and U4 are
Hall sensor, Q1, Q2 and Q3 are metal-oxide-semiconductor.
In conclusion the hall electric machine rotor-position acquisition device, by five original signal lines be reduced to two or
One, original Hall switch signal is converted into the analog signal of curent change, with two or a wire transmission to mainboard,
Mainboard is again by current signal ADC(analog-digital converter) digital signal is converted to, utilize the MCU(microcontroller on mainboard) combine
Digital signal is converted into angle of rotor of motor information by corresponding program, and connecting line of the invention only needs one or two, spy
It is very big to have saved three lines and change cost into a line not on needing the electric rotating tool product with long connecting line, it
It asks and has a clear superiority on the product of number of conductors.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of hall electric machine rotor-position acquisition device, including motor (1), detection module (7) and control module (8), special
Sign is: being fixedly connected with shaft (2) in the motor (1), the outer wall of the shaft (2) is fixedly connected with rotor (3), described
The outer wall of shaft (2) is fixedly connected with magnet ring (4), and the inner wall of the motor (1) is fixedly connected with mounting ring (5), the installation
The inner wall of ring (5) is fixedly connected with multiple Hall sensors (6) corresponding with magnet ring (4), and the detection module (7) includes using
Detection unit and sensing unit in detection rotor (3) position, the control module (8) include mainboard (9), three signal conversions
Unit (10) and signal amplification unit, the mainboard, three signal conversion units and signal amplification unit pass through conducting wire electrical property
Connection.
2. a kind of hall electric machine rotor-position acquisition device according to claim 1, it is characterised in that: multiple Halls
Distributing position of the sensor (6) on mounting ring (5) is in 120 degree or 60 degree.
3. a kind of hall electric machine rotor-position acquisition device according to claim 1, it is characterised in that: the reality including single line
Existing method:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal；
Step 2: supply voltage is made to generate curent change circuit by three diodes and motor phase line；
Step 3: according to the curent change of detection to obtain rotor-position.
4. a kind of hall electric machine rotor-position acquisition device according to claim 1, it is characterised in that: the reality including two-wire
Existing method:
Step 1: the weak signal by rotor turned position by Hall sensor output is converted to current signal, directly passes through
Generate curent change circuit with crossing；
Step 2: according to detection curent change to obtain rotor-position；
Step 3: the circuit and motor for making whole device are for being electrically isolated from.
5. a kind of hall electric machine rotor-position acquisition device according to claim 1, it is characterised in that: the electricity including single line
Road principle:
Signal conversion unit is mounted in the circuit on motor, and circuit power supply is powered by the circuit in signal amplification unit and detection
R6 curent change is on supply lines to show that rotor-position, supply voltage VCC pass to signal by Sensor sensing unit end
Converting unit, by C1 filtering to U1 pressure stabilizing, U1 ground terminal is to be connected to motor phase line by D1, D2 and D3 to generate circuit,
In six-step algorithm control, because can all have phase line grounding regardless of the moment when motor works, it can be produced using this ground connection
Raw current loop, C2 filtering output 5V voltage, the power supply of Hall sensor U2, U3 and U4 are just provided by this 5V voltage, Hall
Sensor U2, U3 and U4 are mounted on motor stator with 60 degree or 120 degree of electrical angles respectively, for detecting the angle of rotation of rotor
Degree, Hall sensor U2, U3 and U4 output signal remove driving metal-oxide-semiconductor Q1, Q2 and Q3, allow on metal-oxide-semiconductor resistance R1, R2 of the pole S and
R3 generates different electric currents, this electric current can pass on entire Sensor sensing unit line by metal-oxide-semiconductor Q1, Q2 and Q3 and U1,
The current signal amplification of R6 is given to mainboard MCU in the high side current amplification circuit by signal amplification unit carries out angle conversion.
6. a kind of hall electric machine rotor-position acquisition device according to claim 5, it is characterised in that: the electricity including two-wire
Road principle:
The working principle of two-wire and single line is almost the same, different places be not use D1, D2 of signal conversion unit and
Ground line is drawn generate current loop with being individually connected to by tri- diodes of D3, and Current amplifier can also be put with low side current
Big circuit, individually drawing is advantageous in that the pressure resistance deficiency for avoiding diode, and two-wire acquires the work of not limiting motor and motor
Mode, as long as motor converts in operating output current signal for motor rotor position.
7. a kind of hall electric machine rotor-position acquisition device according to claim 5, it is characterised in that: the U1 is pressure stabilizing
Unit, described D1, D2 and D3 are three diodes, and described R1, R2, R3 and R6 are resistance, and described U2, U3 and U4 are Hall
Sensor, described Q1, Q2 and Q3 are metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687886.4A CN110336422A (en) | 2019-07-29 | 2019-07-29 | A kind of hall electric machine rotor-position acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687886.4A CN110336422A (en) | 2019-07-29 | 2019-07-29 | A kind of hall electric machine rotor-position acquisition device |
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| Publication Number | Publication Date |
|---|---|
| CN110336422A true CN110336422A (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910687886.4A Pending CN110336422A (en) | 2019-07-29 | 2019-07-29 | A kind of hall electric machine rotor-position acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572312A (en) * | 2021-07-01 | 2021-10-29 | 上海大学 | Linear Hall angle and displacement integrated detection device and method based on homopolar permanent magnet birotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08205577A (en) * | 1995-01-25 | 1996-08-09 | Toshiba Corp | Brushless motor |
| CN1131479A (en) * | 1993-09-20 | 1996-09-18 | 德国汤姆逊-布朗特公司 | Driving circuit with several sensorn |
| CN2349721Y (en) * | 1998-11-17 | 1999-11-17 | 吴良璞 | Permanent brushless axial dc motor |
| CN201118417Y (en) * | 2007-07-11 | 2008-09-17 | 宏佳机电有限公司 | Environment-protection energy-saving lanthanon permanent magnetic electromotor |
| CN204669191U (en) * | 2015-05-22 | 2015-09-23 | 常州鋐汇动力科技有限公司 | The brushless electromechanical machine of integration |
-
2019
- 2019-07-29 CN CN201910687886.4A patent/CN110336422A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1131479A (en) * | 1993-09-20 | 1996-09-18 | 德国汤姆逊-布朗特公司 | Driving circuit with several sensorn |
| JPH08205577A (en) * | 1995-01-25 | 1996-08-09 | Toshiba Corp | Brushless motor |
| CN2349721Y (en) * | 1998-11-17 | 1999-11-17 | 吴良璞 | Permanent brushless axial dc motor |
| CN201118417Y (en) * | 2007-07-11 | 2008-09-17 | 宏佳机电有限公司 | Environment-protection energy-saving lanthanon permanent magnetic electromotor |
| CN204669191U (en) * | 2015-05-22 | 2015-09-23 | 常州鋐汇动力科技有限公司 | The brushless electromechanical machine of integration |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113572312A (en) * | 2021-07-01 | 2021-10-29 | 上海大学 | Linear Hall angle and displacement integrated detection device and method based on homopolar permanent magnet birotor |
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Application publication date: 20191015 |