CN109120093B - A kind of motor of electric motor car and its control system - Google Patents
A kind of motor of electric motor car and its control system Download PDFInfo
- Publication number
- CN109120093B CN109120093B CN201811083395.0A CN201811083395A CN109120093B CN 109120093 B CN109120093 B CN 109120093B CN 201811083395 A CN201811083395 A CN 201811083395A CN 109120093 B CN109120093 B CN 109120093B
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- motor
- block
- damping
- circuit
- pedestal
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of motor of electric motor car and its control systems, belong to electric automobiles, including motor, fixing seat, pedestal and shaft coupling, motor are fixed on the base, pedestal is arranged in fixing seat, and the bottom of pedestal is provided with four dampings being evenly distributed；Damping includes the fixed block being fixed in fixing seat, limited block, briquetting and connecting rod, damping trough is offered at the top of fixed block, limited block is slidably disposed in damping trough, link block is fixedly connected at the top of limited block, one end of connecting rod is hinged on the bottom of pedestal, damping of the invention can carry out damping from multidirectional pair of motor of multi-angle, damping can not only be carried out to vibration caused by motor itself, also damping can be carried out to generated jolt in electric vehicle driving process, preferably protect motor, extend the service life of motor, and the transmission effect of the transmission shaft of motor and electric vehicle is consolidated by shaft coupling, traveling is got up more stable.
Description
Technical field
The present invention relates to electric automobiles, in particular to a kind of motor of electric motor car and its control system.
Background technique
With the development of the society, electric vehicle is more more and more universal, it has also become a kind of most common walking-replacing tool of people's trip, electricity
The motor of motor-car in operation all along with vibration, it is excessively high that these vibrations frequently can lead to motor interior stress, once
Motor interior stress is excessively concentrated, or even is withstood forces beyond itself, then the supporting role of motor itself will be destroyed, drop
The low stability of motor, the device for fixing motor can also loosen, and damping majority on the market is vertical at present
The effect of the damping in direction, damping is general.
Summary of the invention
The present invention provides a kind of motor of electric motor car, can solve that motor shock absorption direction in the prior art is single, effect
Bad problem；
The present invention also provides a kind of control system of motor of electric motor car, the motor that can solve the prior art did not had
The problem of warm defencive function.
A kind of motor of electric motor car, including motor, fixing seat, pedestal and shaft coupling, the motor are fixed on the pedestal
On, the pedestal is arranged in the fixing seat, and the bottom of the pedestal is provided with four dampings being evenly distributed；
The damping includes the fixed block being fixed in the fixing seat, limited block, briquetting and connecting rod, described solid
Determine to offer damping trough at the top of block, the limited block is slidably disposed in the damping trough, the top of the limited block
It is fixedly connected with link block, one end of the connecting rod is hinged on the bottom of the pedestal, and the other end is plugged on the link block
It is interior, it is provided with the spring for damping in the link block, multiple sliding rails are circumferentially provided on the cell wall of the damping trough, it is described
Briquetting is slidably disposed on the sliding rail, and setting is for making the bottom and the limited block top of the briquetting in the sliding rail
The spring of portion's contact；
The shaft coupling offers rotation slot close to one end of the motor, can be rotatably set and has turned in the rotation slot
Pearl, the ball are fixedly connected with the output shaft of the motor, and rotating block is provided in the shaft coupling, and the rotating block is close
The side of the ball offers arc groove, multiple baffles is equably fixed in the arc groove, the ball is close to described
One end of rotating block is uniformly provided with multiple recessing grooves, and multiple baffles are plugged on respectively in multiple recessing grooves, described
Rotating block passes through the transmission axis connection of connecting shaft and electric vehicle far from the side of ball.
Preferably, being fixedly connected on side wall inside the fixing seat for the spring to the pedestal damping, and institute
It states and offers vertical sliding slot on four inside fixing seat side walls, sliding block is slidably provided in the sliding slot, it is described
Support rod is hinged on sliding block, the other end of the support rod is hinged on the bottom of the pedestal, is additionally provided in the sliding slot
It is used to support the spring of the sliding block.
Preferably, the spherical groove that the damping trough is 3/4ths, the limited block is that a quarter is spherical, and described subtracts
The centre of sphere of shake slot is overlapped with the centre of sphere of the limited block.
Preferably, the damping trough inner circumferential and being equably provided with eight sliding rails, slideably set in the sliding rail
It is equipped with briquetting.
Preferably, being circumferentially provided with multiple idler wheels on the inner wall of the shaft coupling, institute is rollably arranged in the idler wheel
It states on rotating block.
Preferably, the width of the baffle is the one third of the resigning groove width.
A kind of control system of motor of electric motor car, including motor detection circuit, first switch circuit, second switch electricity
Valve braking circuit, temperature-sensitive detection circuit and controller are embraced in road；The test side of the motor detection circuit and the power end of motor connect
It connects, the output end of the motor detection circuit is connect with the controlled end of first switch circuit and second switch circuit respectively；It is described
The input terminal of first switch circuit connects to power supply, the output end of the first switch circuit and the opening end of brake sticking brake circuit
The valve of embracing of connection, described armful of valve braking circuit is set on the rotor of motor；The input terminal and power supply of the second switch circuit
Connection, the output end of the second switch circuit are connect with temperature-sensitive detection circuit, the output end of the temperature-sensitive detection circuit and institute
The input terminal connection of controller is stated, the control terminal of the controller is connect with the controlled end of the motor.
Preferably, the temperature-sensitive detection circuit includes thermistor and bleeder circuit, the thermistor setting with it is described
One end of the casing internal of motor, the thermistor connects to power supply, the other end of the thermistor and partial pressure electricity
The one end on road, the other end of the bleeder circuit are connect with the input terminal of the second switch circuit, the second switch circuit
Output end ground connection.
Preferably, the thermistor is realized by NTC thermistor.
Compared with prior art, a kind of beneficial effect of motor of electric motor car provided by the invention is: damping of the invention
Mechanism can carry out damping from multidirectional pair of motor of multi-angle, can not only subtract to vibration caused by motor itself
Shake also can carry out damping to generated jolt in electric vehicle driving process, preferably protect motor, extend the use of motor
Service life, and the transmission effect of the transmission shaft of motor and electric vehicle is consolidated by shaft coupling, traveling is got up more stable；
A kind of beneficial effect of the control system of motor of electric motor car provided by the invention is: being examined by motor detection circuit
Whether measured motor is powered operation, and when motor operation, first switch circuitry cuts, second switch circuit is cut through, temperature-sensitive detection electricity
Road transport row carries out monitoring temperature to motor, and controls motor by controller；When motor, which powers off, to be stopped, second switch circuit
Cutting, first switch circuit are cut through, and are embraced valve braking circuit and are opened, brake to motor.The technical program passes through motor on-off
Electricity carries out temperature control or the control of overheat protector to motor, and intelligence is effectively.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view of shaft coupling of the invention；
Fig. 3 is cross-sectional view at the A-A of Fig. 1 of the present invention；
Fig. 4 is cross-sectional view at the B-B of Fig. 2 of the present invention；
Fig. 5 is the structural schematic diagram of ball of the invention；
Fig. 6 is the structural schematic diagram of rotating block of the invention；
Fig. 7 is the circuit block diagram of control system of the present invention.
Description of symbols:
1- motor, 2- fixing seat, 3- pedestal, 4- shaft coupling, 5- sliding block, 6- support rod, 7- idler wheel, 8- electric machines test electricity
Road, 9- first switch circuit, 10- second switch circuit, 101- brake sticking brake circuit, 102- thermistor, 103- controller,
104- bleeder circuit, 11- fixed block, 12- limited block, 13- briquetting, 14- connecting rod, 15- damping trough, 16- link block, 21- turn
Dynamic slot, 22- ball, 23- rotating block, 24- baffle, 25- recessing groove.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection scope be not limited by the specific implementation.
As shown in Figures 1 to 7, a kind of motor of electric motor car provided in an embodiment of the present invention, including motor 1, fixing seat 2,
Pedestal 3 and shaft coupling 4, the motor 1 are fixed on the pedestal 3, and the pedestal 3 is arranged in the fixing seat 2, the bottom
The bottom of seat 3 is provided with four dampings being evenly distributed；
The damping includes the fixed block 11 being fixed in the fixing seat 2, limited block 12, briquetting 13 and connecting rod
14, the top of the fixed block 11 offers damping trough 15, and the limited block 12 is slidably disposed in the damping trough 15,
The top of the limited block 12 is fixedly connected with link block 16, and one end of the connecting rod 14 is hinged on the bottom of the pedestal 3,
The other end is plugged in the link block 16, and the spring for damping is provided in the link block 16, the damping trough 15
Multiple sliding rails are circumferentially provided on cell wall, the briquetting 13 is slidably disposed on the sliding rail, and setting is used in the sliding rail
In making the spring contacted at the top of the bottom of the briquetting 13 and the limited block 12；
The shaft coupling 4 offers rotation slot 21 close to one end of the motor 1, rotationally sets in the rotation slot 21
It is equipped with ball 22, the ball 22 is fixedly connected with the output shaft of the motor 1, it is provided with rotating block 23 in the shaft coupling 4,
The rotating block 23 offers arc groove close to the side of the ball 22, is equably fixed with multiple baffles in the arc groove
24, the ball 22 is uniformly provided with multiple recessing grooves 25 close to one end of the rotating block 23, and multiple baffles 24 are distinguished
It is plugged in multiple recessing grooves 25, the rotating block 23 passes through the transmission of connecting shaft and electric vehicle far from the side of ball 22
Axis connection.
When motor itself operation vibration or when electric vehicle jolts, the spring in link block 16 can play cushioning effect,
Further, it is fixedly connected on the side wall inside the fixing seat 2 for the spring to 3 damping of pedestal, and it is described solid
Vertical sliding slot is offered on four side walls inside reservation 2, sliding block 5, the cunning are slidably provided in the sliding slot
Support rod 6 is hinged on block 5, the other end of the support rod 6 is hinged on the bottom of the pedestal 3, also sets up in the sliding slot
There is the spring for being used to support the sliding block 5, the spring on 2 side wall of fixing seat plays the role of assisting damping, support rod 6 and sliding slot
Interior spring is used to support pedestal 3, electric vehicle traveling the section jolted or by collision when, the side of 1 stress of motor
To difference, the spherical groove that the damping trough 15 is 3/4ths, the limited block 12 is spherical for a quarter, and the damping trough
15 centre of sphere is overlapped with the centre of sphere of the limited block 12, limited block 12 can any activity in damping trough 15, and pass through briquetting
13 and sliding rail in spring damping is provided, multidirectional damping effect can be provided for motor 1, improve safety, prevent electricity
Machine 1 is by biggish active force.
Further, 15 inner circumferential of damping trough and eight sliding rails are equably provided with, in the sliding rail slidably
Ground is provided with briquetting 13, preferably can carry out damping for motor 1.
Motor 1 can generate shaking in damping, will affect the transmission of motor 1 Yu electric vehicle transmission shaft, 22 quilt of ball in this way
Limit is driven by the clamping of ball 22 and rotating block 23, is had between baffle 24 and recessing groove 25 in rotation slot 21
Certain gap, the influence that not will receive the shaking of motor 1 are further circumferentially provided with multiple on the inner wall of the shaft coupling 4
Idler wheel 7, the idler wheel 7 are rollably arranged on the rotating block 23, and multiple idler wheels 7 are used to support rotating block 23.
Motor 1 can generate heat at work, and the overheat of motor 1 is burned out in order to prevent, be additionally provided with electric machine control system,
The control system includes motor detection circuit 8, first switch circuit 9, second switch circuit 10, embraces valve braking circuit 101, heat
Quick detection circuit and controller 103；The controller 103 uses the single-chip microcontroller of model STC12C5A08PWM a kind of, institute
The test side for stating motor detection circuit 8 is connect with the power end of motor 1, and the output end of the motor detection circuit 8 is respectively with
The connection of the controlled end of one switching circuit 9 and second switch circuit 10；The input terminal of the first switch circuit 9 connects to power supply,
The output end of the first switch circuit 9 is connect with the opening end of brake sticking brake circuit 101, described armful of valve braking circuit 101
Valve is embraced to be set on the rotor of motor 1；The input terminal of the second switch circuit 10 connects to power supply, the second switch circuit
10 output end is connect with temperature-sensitive detection circuit, the input terminal of the output end of the temperature-sensitive detection circuit and the controller 103
Connection, the control terminal of the controller 103 are connect with the controlled end of the motor 1, and the temperature-sensitive detection circuit includes temperature-sensitive electricity
Resistance 102 and bleeder circuit 104, the casing internal of thermistor 102 setting and the motor 1, the thermistor 102
One end connects to power supply, one end of the other end of the thermistor 102 and the bleeder circuit 104, the bleeder circuit 104
The other end connect with the input terminal of the second switch circuit 10, the output end of the second switch circuit 10 ground connection.Pass through
To the power on/off of motor 1, motor is preferably more intelligently protected to the progress temperature control of motor 1 or the control of overheat protector
1。
More preferably, the thermistor 102 is realized by NTC thermistor.
Working principle: when 1 self vibration of motor or when because of extraneous collision needing damping, the spring in link block 16 is
Motor 1 provides the damping effect of vertical direction, and the spring, support rod 6 on 2 side wall of fixing seat and the spring in sliding slot play second level
The effect of damping can preferably protect motor 1, the limited block when motor 1 receives the active force of side direction, in damping trough 15
12 can be tilted according to the direction of active force, and play cushioning effect under the action of spring in briquetting 13 and sliding rail,
Shaft coupling 4 is driven by the clamping of ball 22 and rotating block 23, and ball 22 is moved with the shaking of motor 1, and can
To keep the state being clamped with rotating block 23, so that transmission is not interfered with, by electric machine control system come according to the temperature of motor 1
Degree prevents motor 1 from overheating and damaging to be braked, and extends the service life of motor 1.
Disclosed above is only several specific embodiments of the invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (9)
1. a kind of motor of electric motor car, which is characterized in that including motor, fixing seat, pedestal and shaft coupling, the motor is fixed on
On the pedestal, the pedestal is arranged in the fixing seat, and the bottom of the pedestal is provided with four dampings being evenly distributed
Mechanism；
The damping includes the fixed block being fixed in the fixing seat, limited block, briquetting and connecting rod, the fixed block
Top offer damping trough, the limited block is slidably disposed in the damping trough, and the top of the limited block is fixed
It is connected with link block, one end of the connecting rod is hinged on the bottom of the pedestal, and the other end is plugged in the link block, institute
The spring being provided in link block for damping is stated, multiple sliding rails, the briquetting are circumferentially provided on the cell wall of the damping trough
It is slidably disposed on the sliding rail, setting connects at the top of the bottom of the briquetting and the limited block for making in the sliding rail
The spring of touching；
The shaft coupling offers rotation slot close to one end of the motor, can be rotatably set ball in the rotation slot,
The ball is fixedly connected with the output shaft of the motor, rotating block is provided in the shaft coupling, the rotating block is close to institute
The side for stating ball offers arc groove, and multiple baffles are equably fixed in the arc groove, and the ball turns close to described
One end of motion block is uniformly provided with multiple recessing grooves, and multiple baffles are plugged on respectively in multiple recessing grooves, and described turn
Motion block passes through the transmission axis connection of connecting shaft and electric vehicle far from the side of ball.
2. a kind of motor of electric motor car as described in claim 1, which is characterized in that fixed on the side wall inside the fixing seat
It is connected with for the spring to the pedestal damping, and offers vertical cunning on four side walls inside the fixing seat
Slot is slidably provided with sliding block in the sliding slot, support rod is hinged on the sliding block, the other end of the support rod is hinged
The spring for being used to support the sliding block is additionally provided in the bottom of the pedestal, the sliding slot.
3. a kind of motor of electric motor car as described in claim 1, which is characterized in that the spherical shape that the damping trough is 3/4ths
Slot, the limited block are that a quarter is spherical, and the centre of sphere of the damping trough is overlapped with the centre of sphere of the limited block.
4. a kind of motor of electric motor car as described in claim 1, which is characterized in that the damping trough inner circumferential and equably set
Eight sliding rails are equipped with, are slidably provided with briquetting in the sliding rail.
5. a kind of motor of electric motor car as described in claim 1, which is characterized in that be circumferentially arranged on the inner wall of the shaft coupling
There are multiple idler wheels, the idler wheel is rollably arranged on the rotating block.
6. a kind of motor of electric motor car as described in claim 1, which is characterized in that the width of the baffle is the recessing groove
The one third of width.
7. a kind of control system of motor of electric motor car as claimed in any one of claims 1 to 6, which is characterized in that further include electricity
Machine examination slowdown monitoring circuit, second switch circuit, embraces valve braking circuit, temperature-sensitive detection circuit and controller at first switch circuit；The electricity
The test side of machine examination slowdown monitoring circuit and the power end of motor connect, and the output end of the motor detection circuit is electric with first switch respectively
The connection of the controlled end of road and second switch circuit；The input terminal of the first switch circuit connects to power supply, the first switch
The output end of circuit is connect with the opening end of brake sticking brake circuit, the rotor of described armful of valve braking circuit embraced valve and be set to motor
On；The input terminal of the second switch circuit connects to power supply, the output end and temperature-sensitive detection circuit of the second switch circuit
Connection, the output end of the temperature-sensitive detection circuit are connect with the input terminal of the controller, the control terminal of the controller and institute
State the controlled end connection of motor.
8. a kind of control system of motor of electric motor car as claimed in claim 7, which is characterized in that the temperature-sensitive detection circuit
Including thermistor and bleeder circuit, the casing internal of the thermistor setting and the motor, the one of the thermistor
End connects to power supply, one end of the other end of the thermistor and the bleeder circuit, the other end of the bleeder circuit with
The input terminal of the second switch circuit connects, the output end ground connection of the second switch circuit.
9. a kind of control system of motor of electric motor car as claimed in claim 8, which is characterized in that the thermistor passes through
NTC thermistor is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083395.0A CN109120093B (en) | 2018-09-17 | 2018-09-17 | A kind of motor of electric motor car and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811083395.0A CN109120093B (en) | 2018-09-17 | 2018-09-17 | A kind of motor of electric motor car and its control system |
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| Publication Number | Publication Date |
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| CN109120093A CN109120093A (en) | 2019-01-01 |
| CN109120093B true CN109120093B (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811083395.0A Active CN109120093B (en) | 2018-09-17 | 2018-09-17 | A kind of motor of electric motor car and its control system |
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| CN (1) | CN109120093B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769363A (en) * | 2019-01-25 | 2019-05-17 | 安徽永锋防护科技股份有限公司 | A kind of hydrophobicity and the strong circuit EPS protective plate of protective |
| WO2022109785A1 (en) * | 2020-11-24 | 2022-06-02 | 江苏金彭集团有限公司 | Protective structure of electric-vehicle fault diagnostic instrument |
| CN112644960B (en) * | 2021-01-05 | 2022-06-10 | 深圳市顺博绝缘材料制造有限公司 | Conveying device is established to dedicated insulating tube cover of new energy automobile driving motor |
| CN113306378B (en) * | 2021-07-07 | 2022-08-09 | 徐州铭尊机电有限公司 | Shock attenuation motor mounting structure for electric motor car |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207134928U (en) * | 2017-07-13 | 2018-03-23 | 山东得胜电力股份有限公司 | A kind of generator with shock-absorbing function |
| CN108054978B (en) * | 2017-12-25 | 2020-05-19 | 厦门市逢兴机电设备有限公司 | Motor control system |
| CN108054865B (en) * | 2017-12-29 | 2019-08-30 | 徐伟明 | New energy automobile motor damping device |
| CN108039795B (en) * | 2018-01-08 | 2020-06-05 | 温州盘虎新能源有限公司 | New energy automobile motor damping device |
| CN208508664U (en) * | 2018-08-01 | 2019-02-15 | 东莞市超颖电机科技有限公司 | A kind of Miniature water-proof speed reducing motor |
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Address after: 221000 Xuzhou Industrial Park, Xuzhou City, Jiangsu Province, east of Tunshidagou and west of Tunqing Road Applicant after: Jiangsu Jinpeng Group Co., Ltd. Address before: 221000 Xuzhou Industrial Park, Xuzhou City, Jiangsu Province, east of Tunshidagou and west of Tunqing Road Applicant before: Jiangsu Jinpeng Vehicle Co.,Ltd. |
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