CN205960898U - Permanent magnet direct -current brushless motor - Google Patents
Permanent magnet direct -current brushless motor Download PDFInfo
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- CN205960898U CN205960898U CN201620787040.XU CN201620787040U CN205960898U CN 205960898 U CN205960898 U CN 205960898U CN 201620787040 U CN201620787040 U CN 201620787040U CN 205960898 U CN205960898 U CN 205960898U
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- motor
- hall
- temperature
- magnet
- testing circuit
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Abstract
The utility model discloses a permanent magnet direct -current brushless motor, including casing, stator module, permanent magnet rotor subassembly and hall circuit board stator module and permanent magnet rotor subassembly magnetic coupling, arrange the hall detection circuitry of a plurality of detection rotor position, its on the hall circuit board still arranged motor temperature measurement circuit on the hall circuit board, motor temperature measurement circuit is equipped with the temperature and detects the output. Through motor temperature measurement circuit direct detection the operating temperature of motor, when the operating temperature of motor was too high, motor temperature measurement circuit signaled for motor microprocessor, makeeed motor microprocessor suspend the motor operation, detected directly, had ensured the motor operation effectively.
Description
Technical field：
This utility model is related to a kind of non-brush permanent-magnet DC motor, the permanent-magnet DC brushless electricity of particularly a kind of external driving
Machine.
Background technology：
In the non-brush permanent-magnet DC motor of built-in drive control device, power inverting unit is motor internal heating highest position
Put, the overtemperature protection unit of existing non-brush permanent-magnet DC motor is provided with the temperature that detector unit detects power inverting unit,
Typical temperature detecting element is placed on power inverting unit side, if power inverting cell temperature is too high, inversion unit temperature
Testing circuit is signaled to motor microprocessor, and motor microprocessor takes temperature protection to arrange motor body after receiving signal
Apply.But this overtemperature protection unit is not applied for all motors, the motor of such as external controller, its motor microprocessor
It is arranged in external controller with power inverting unit, external controller and motor are connected by data wire.Now inversion unit
Temperature sensing circuit is not associated with motor.Even if very high temperature in motor, overtemperature protection unit also cannot detect
Out, if now motor microprocessor control continues to run with motor it is possible to lead to motor to burn out.
Content of the invention：
The purpose of this utility model is to provide a kind of non-brush permanent-magnet DC motor, can accurately detect motor temperature, preferably
Ensure that motor runs well.
The purpose of this utility model is achieved by following technical proposals.
A kind of non-brush permanent-magnet DC motor, including casing, stator module, permanent magnet rotor component and Hall circuit board, described
Stator module and permanent magnet rotor component magnetic coupling, described Hall circuit board is disposed with the Hall inspection of several detection rotor-positions
Slowdown monitoring circuit, its described Hall circuit board there also is provided motor temperature testing circuit, and motor temperature testing circuit is provided with temperature inspection
Survey outfan.
Motor temperature testing circuit described above and Hall testing circuit are altogether.
Six road low-pressure ports are disposed with Hall circuit board described above, six road low-pressure ports include three road Hall detection electricity
Road outfan, power input, input and described temperature detection outfan.
Three road high-tension lines be there also is provided on Hall circuit board described above be connected with the coil windings of described stator module.
Hall circuit board center described above be provided with through hole supply permanent magnet rotor component rotating shaft pass through, described high-tension line and
Hall testing circuit, motor temperature testing circuit are arranged in described through hole both sides.
Above-mentioned motor temperature testing circuit is provided with the first detector unit, the first detector unit and Hall detection electricity
The Hall element on road is arranged towards permanent magnet rotor component, and described high-tension line is arranged facing away from permanent magnet rotor component.
Above-mentioned also include external controller, motor control lines plate, motor control lines plate are installed in external controller
On be disposed with motor microprocessor and power inverting unit, motor microprocessor is connected with described six road low-pressure ports, Hall examine
Rotor position data is transported to motor microprocessor by slowdown monitoring circuit, and motor microprocessor output signal controls power inverting unit,
The outfan of described power inverting unit is connected with described three road high-tension lines.
Inversion unit temperature sensing circuit, inversion unit temperature detection be there also is provided on motor control lines plate described above
Circuit output end is connected with described motor microprocessor input.
Inversion unit temperature sensing circuit described above is provided with second temperature detecting element, and second temperature detecting element is located at
By described power inverting unit.
First detector unit described above and second temperature detecting element are thermo-sensitive resistor.
This utility model compared with prior art, has the effect that：
1) there also is provided motor temperature testing circuit on described Hall circuit board, straight by described motor temperature testing circuit
Connect the operating temperature detecting described motor, when the operating temperature of motor is too high, motor temperature testing circuit signals to motor
Microprocessor, promotes motor microprocessor to stop motor operation, detection directly, has ensured motor rotation effectively；
2) described motor temperature testing circuit and Hall testing circuit be altogether；Make circuit simpler, easy for installation；
3) six road low-pressure ports are disposed with described Hall circuit board to be connected with described motor microprocessor, with existing motor
Compare and merely add data lines, simplify circuit structure, minimize cost；
4) Hall element of described first detector unit and Hall testing circuit is arranged towards permanent magnet rotor component, inspection
It is more accurate to survey；Described high-tension line is arranged facing away from permanent magnet rotor component, keeps apart high-low pressure, reduces interference；
5) it is disposed with inversion unit temperature sensing circuit detection power inverting cell temperature in described external controller, pass through
Two-way temperature sensing circuit carries out temperature detection to two Important Components simultaneously, as long as one of temperature is too high, motor is micro-
Processor all can stop motor operation, more effectively ensures motor rotation；
6) described first detector unit and second temperature detecting element are thermo-sensitive resistor, using the temperature of thermo-sensitive resistor
Testing circuit structure is simple, and accuracy is high.
Brief description：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is element explosive view of the present utility model；
Fig. 3 is structure cut-away view of the present utility model；
Fig. 4 is control principle drawing of the present utility model；
Fig. 5 is the schematic appearance of Hall circuit board described in the utility model；
Fig. 6 is the circuit diagram of Hall circuit board described in the utility model；
Fig. 7 is the circuit theory of motor temperature testing circuit described in the utility model and inversion unit temperature sensing circuit
Figure.
Specific embodiment：
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
As shown in Figures 1 to 7, the present embodiment provides a kind of non-brush permanent-magnet DC motor, including casing 1, stator pack
Part 2, permanent magnet rotor component 3 and Hall circuit board 4, described stator module 2 and permanent magnet rotor component 3 magnetic coupling, described Hall line
The Hall testing circuit 41 of several detection rotor-positions is disposed with road plate 4, its described Hall circuit board 4 there also is provided electricity
Machine temperature sensing circuit 42, motor temperature testing circuit 42 is provided with temperature detection outfan NTC.
By the temperature of permanent magnet rotor component 3 described in described motor temperature testing circuit 42 direct detection, work as p-m rotor
When the temperature of assembly 3 is too high, motor temperature testing circuit 42 signals to motor microprocessor 60 (being single-chip microprocessor MCU), promotes
Motor microprocessor 60 stops motor operation, and detection directly, has ensured motor rotation effectively.
Motor temperature testing circuit 42 described above and Hall testing circuit 41 are altogether.Circuit is simpler, installs more convenient.
Six road low-pressure ports 45 are disposed with Hall circuit board 4 described above, six road low-pressure ports 45 include three road Halls
Testing circuit outfan HU, HV, HW, power input Vcc, input GND and described temperature detection outfan NTC, pass through
Plug receptacle JC unites.Simplify circuit structure, minimize cost.
The coil windings of three road high-tension lines 43 and described stator module 2 be there also is provided on Hall circuit board 4 described above
Connect.
Hall circuit board 4 center described above is provided with through hole 44 and supplies the rotating shaft 31 of permanent magnet rotor component 3 to pass through, described high pressure
Circuit 43 and Hall testing circuit 41, motor temperature testing circuit 42 are arranged in described through hole 44 both sides.
Above-mentioned motor temperature testing circuit 42 is provided with the first detector unit, the first detector unit and Hall detection
The Hall element of circuit 41 is arranged towards permanent magnet rotor component 3, and described high-tension line 43 is arranged facing away from permanent magnet rotor component 3.Institute
State the first detector unit and the Hall element of Hall testing circuit arranges towards permanent magnet rotor component, detection is more accurate；Institute
State high-tension line to arrange facing away from permanent magnet rotor component, keep apart high-low pressure, reduce interference；
Above-mentioned also include external controller 5, have data wire 51 to be connected between external controller 5 and motor body.Described outer
Put and motor control lines plate 6 is installed in controller 5, motor control lines plate 6 is disposed with motor microprocessor 60 and power
Inversion unit 61, motor microprocessor 60 is connected with described six road low-pressure ports 45, and Hall testing circuit 41 is by rotor-position number
According to being transported to motor microprocessor 60, motor microprocessor 60 output signal controls power inverting unit 61, described power inverting
The outfan of unit 61 is connected with described three road high-tension lines 43.
Inversion unit temperature sensing circuit 62, inversion unit temperature be there also is provided on motor control lines plate 6 described above
Testing circuit 62 outfan is connected with described motor microprocessor 60 input.By two-way temperature sensing circuit simultaneously to two
Important Components carry out temperature detection, as long as one of temperature is too high, motor microprocessor 60 all can stop motor operation, more
Effectively ensure motor rotation.
Inversion unit temperature sensing circuit 62 described above is provided with second temperature detecting element, second temperature detecting element position
By described power inverting unit 61.
First detector unit described above and second temperature detecting element are thermo-sensitive resistor.Temperature using thermo-sensitive resistor
Degree testing circuit structure is simple, and accuracy is high.
The principle of the motor temperature testing circuit 42 for the present embodiment offer and inversion unit temperature sensing circuit 62 below
Figure：
As shown in fig. 6, in motor temperature testing circuit 42 described above, one end of the first detector unit NTC2 and institute
The ground GND stating hall circuitboard 4 connects, and the other end is drawn after described hall circuitboard 4 by described temperature detection outfan NTC
It is connected with the first divider resistance R1 on described circuit for controlling motor plate 6, the first divider resistance R1 other end is electric with motor control
The power supply VS of road plate 6 connects, and the contact of temperature detection outfan NTC and the first divider resistance R1 is described motor temperature detection electricity
The outfan on road 42, motor temperature testing circuit 42 outfan and described motor microprocessor 60 (being single-chip microprocessor MCU) input
Connect.
In described inversion unit temperature sensing circuit 62, one end of second temperature detecting element NCT1 and described motor control
The ground GND of circuit board 6 connects, and the other end is connected with the power supply VS of circuit for controlling motor plate 6 by the second divider resistance R2, and second
The contact of detector unit NCT1 and the second divider resistance R2 is the outfan of described inversion unit temperature sensing circuit 62, inverse
Become cell temperature testing circuit 62 outfan to be connected with described motor microprocessor 60 (being single-chip microprocessor MCU) input.
Hall circuitboard 4 arranges 3 Hall testing circuits 41, first Hall testing circuit 41 include Hall element H1,
Resistance R3, resistance R4 and electric capacity C1；Second Hall testing circuit 41 includes Hall element H2, resistance R5, resistance R6 and electric capacity
C2；3rd Hall testing circuit 41 includes Hall element H3, resistance R7, resistance R8 and electric capacity C3.
Above example is the better embodiment of the present invention, but embodiments of the present invention not limited to this, other are any
Without departing from spirit and the change made under principle, modification, the replacement of the present invention, combine, simplify, being equivalent displacement side
Formula, is included within protection scope of the present invention.
Claims (10)
1. a kind of non-brush permanent-magnet DC motor, including casing (1), stator module (2), permanent magnet rotor component (3) and Hall circuit
Plate (4), described stator module (2) and permanent magnet rotor component (3) magnetic coupling, described Hall circuit board (4) is disposed with several
Detection rotor-position Hall testing circuit (41) it is characterised in that：Motor temperature is there also is provided on described Hall circuit board (4)
Testing circuit (42), motor temperature testing circuit (42) is provided with temperature detection outfan.
2. a kind of non-brush permanent-magnet DC motor according to claim 1 it is characterised in that：Described motor temperature testing circuit
(42) and Hall testing circuit (41) altogether.
3. a kind of non-brush permanent-magnet DC motor according to claim 2 it is characterised in that：On described Hall circuit board (4)
Be disposed with six road low-pressure ports (45), six road low-pressure ports (45) include three road Hall testing circuit outfans, power input,
Ground input and described temperature detection outfan.
4. a kind of non-brush permanent-magnet DC motor according to claim 3 it is characterised in that：On described Hall circuit board (4)
There also is provided three road high-tension lines (43) to be connected with the coil windings of described stator module (2).
5. a kind of non-brush permanent-magnet DC motor according to claim 4 it is characterised in that：In described Hall circuit board (4)
The heart is provided with through hole (44) and supplies the rotating shaft (31) of permanent magnet rotor component (3) to pass through, described high-tension line (43) and Hall testing circuit
(41), motor temperature testing circuit (42) is arranged in described through hole (44) both sides.
6. a kind of non-brush permanent-magnet DC motor according to claim 5 it is characterised in that：Motor temperature testing circuit (42)
It is provided with the first detector unit, the Hall element of the first detector unit and Hall testing circuit (41) is towards p-m rotor
Assembly (3) is arranged, described high-tension line (43) is arranged facing away from permanent magnet rotor component (3).
7. a kind of non-brush permanent-magnet DC motor according to claim 6 it is characterised in that：Also include external controller (5),
Motor control lines plate (6) is installed in external controller (5), motor control lines plate is disposed with motor microprocessor on (6)
(60) and power inverting unit (61), motor microprocessor (60) is connected with described six road low-pressure ports (45), Hall detection electricity
Rotor position data is transported to motor microprocessor (60) by road (41), and motor microprocessor (60) output signal controls power
Inversion unit (61), the outfan of described power inverting unit (61) is connected with described three road high-tension lines (43).
8. a kind of non-brush permanent-magnet DC motor according to claim 7 it is characterised in that：Described motor control lines plate
(6) there also is provided inversion unit temperature sensing circuit (62), inversion unit temperature sensing circuit (62) outfan and described electricity on
Machine microprocessor (60) input connects.
9. a kind of non-brush permanent-magnet DC motor according to claim 8 it is characterised in that：Described inversion unit temperature detection
Circuit (62) is provided with second temperature detecting element, and it is other that second temperature detecting element is located at described power inverting unit (61).
10. a kind of non-brush permanent-magnet DC motor according to claim 9 it is characterised in that：Described first temperature detection unit
Part and second temperature detecting element are thermo-sensitive resistor, and described casing (1) is plastic shell, and described stator module (2) plastic packaging is being moulded
Envelope inside the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787040.XU CN205960898U (en) | 2016-07-23 | 2016-07-23 | Permanent magnet direct -current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620787040.XU CN205960898U (en) | 2016-07-23 | 2016-07-23 | Permanent magnet direct -current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960898U true CN205960898U (en) | 2017-02-15 |
Family
ID=57971508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620787040.XU Active CN205960898U (en) | 2016-07-23 | 2016-07-23 | Permanent magnet direct -current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289745A (en) * | 2019-07-25 | 2019-09-27 | 苏州金莱克汽车电机有限公司 | A kind of brushless motor with modified tone formula commutation angle |
-
2016
- 2016-07-23 CN CN201620787040.XU patent/CN205960898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289745A (en) * | 2019-07-25 | 2019-09-27 | 苏州金莱克汽车电机有限公司 | A kind of brushless motor with modified tone formula commutation angle |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |