CN206162112U - Electric motor car safety control - Google Patents
Electric motor car safety control Download PDFInfo
- Publication number
- CN206162112U CN206162112U CN201620843110.9U CN201620843110U CN206162112U CN 206162112 U CN206162112 U CN 206162112U CN 201620843110 U CN201620843110 U CN 201620843110U CN 206162112 U CN206162112 U CN 206162112U
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Abstract
The utility model provides an electric motor car safety control, including direct voltage stabilizer, the skew detection circuit, cushion detection circuitry, heel brace detection circuitry, detect the signal comparison circuit, single chip circuit and relay circuit, wherein direct voltage stabilizer provides D. C. Regulated power supply for other each circuit, the skew detection circuit, cushion detection circuitry and heel brace detection circuitry's output inserts detection signal comparison circuit and carries out the comparison, comparative result input into a single chip microcomputer circuit, singlechip circuit connection relay circuit controls its division off state, insert by relay circuit's output in the brake signal circuit of electric motor car, and then control the electric motor car. Through this device of installation in the electric motor car, when at electric motor car lateral tilt or when empting, when the people leaves the cushion or heel brace when not packing up, the device enables the electric motor car commentaries on classics the disabler, the electric motor car auto -power -off, as the electric motor car still in running state, can also carry out the auxiliary brake braking automatically.
Description
Technical field
The utility model is related to a kind of safety control, specifically one kind in electric motor car lateral tilt or when toppling over, people
When leaving cushion or when heel brace is not packed up can automatically actuated safety control, belong to electric vehicle and bicycle innovation safety fittings
Applied technical field, electric motor car herein refers in particular to electric bicycle or battery-operated motor cycle.
Background technology
With the development of society, the jam of urban transportation is increasingly severe, flexibly light electronic with energy-conserving and environment-protective
Car increasingly gets the favour of people, and current electric motor car has become the important work of riding instead of walk that many people are on and off duty and other are movable
Tool, requirement of the people to the security performance of electric motor car also more and more higher.Yet suffer from yet with existing electric motor car following several
More obvious potential safety hazard, makes people during using electric motor car, accidentally will be accidents caused：
（1）, cause electric motor car to incline or when toppling over when there is accident, the hand of cyclist's control electric motor car speed control crank is often
Can not unclamp in time, in addition can also subconscious hand-to-hand grip handle, electric motor car is remained in that when toppling over and drive what is even accelerated
State, can so cause cyclist to the out of control of electric motor car, it is easy to cause secondary injury to cyclist.
（2）, in drive routine electric motor car, people just get off sometimes in the case where electric switch is not turned off, or will
Electric switch is turned in the case where also not occupying stably during cycling, now people goes to help handle, it is easy to turn round to handle by mistake, or adult
Children are stayed onboard alone, children imitate the action of the torsion handle of adult because curious so that electric motor car is sat in nobody
Start above or just in the case of occupying stably, cause to lose control of one's vehicle, to cause the accident.
（3）, in drive routine electric motor car, people stop when the heel brace of electric motor car is put down after, forgotten pin sometimes
Just restarting is packed up in support, and in this case, the electric motor car in traveling is easy to make heel brace encounter ground, causes vehicle unbalance,
Cause the accident.
Utility model content
In order to solve the above problems, the utility model provides a kind of safety control device of electric vehicle, by electric motor car
Upper this device of installation, when in electric motor car lateral tilt or when toppling over, people leave cushion when or heel brace do not pack up when, the device can make
Electric vehicle rotary automatically powers off disabler, electric motor car, and such as electric motor car is still in running status, moreover it is possible to electric motor car is carried out automatically
Auxiliary brake is braked, and enables electric motor car to slow down rapidly.
Existing controller for electric vehicle all has brake automatic circuit break function, and after brake signal line is connected, controller is stopped
Car signal, can automatically power off makes handle disabler.In addition, the braking ability in order to strengthen electric motor car, at present control on the market
Device processed is added after brake electromagnetism auxiliary brake function, i.e. electric vehicle brake power-off mostly, when electric motor vehicle sliding, controller control
Output stage bridge arm short circuit machine winding processed, thus produces electromagnetism resistance torque, can reach the purpose of fast braking motor, therefore right
There is the electric motor car of brake electromagnetism auxiliary brake function in controller, as long as connecting brake signal line, be both capable of achieving to automatically power off
Function, can automatically carry out auxiliary brake braking again.
The concrete technical scheme that the utility model is taken is as follows：
A kind of safety control device of electric vehicle, its circuit includes direct current regulation circuit, tilt detection circuit, cushion detection electricity
Road, heel brace detection circuit, detection signal comparison circuit, single chip circuit and relay circuit, wherein direct current regulation circuit is it
His each circuit provides D.C. regulated power supply, and the output end of tilt detection circuit, cushion detection circuit and heel brace detection circuit is accessed
Detection signal comparison circuit is compared, and comparative result input single chip circuit, single chip circuit connects relay circuit to it
On off state is controlled, and is accessed in the brake signal circuit of electric motor car, and then to electric motor car by the output end of relay circuit
It is controlled.
The tilt detection circuit adopts 3-axis acceleration module construction, 3-axis acceleration module to incline electric vehicle body
The voltage signal of angle is outwards exported to detection signal comparison circuit.The 3-axis acceleration module can adopt ADXL335 modules.
The cushion detection circuit includes pressure sensitive sensor and filtering wave by prolonging time circuit, and wherein pressure sensitive sensor will
Electric vehicle seat cushion pressure conversion is voltage signal, and voltage signal is outwards exported to detection letter Jing after the filtering of filtering wave by prolonging time circuit delay
Number comparison circuit.The pressure sensitive sensor can be using SBR sensors or BF350 foil resistance foil gauges.
Heel brace detection circuit includes Hall element and magnet, by magnet near or away from Hall element to electricity
Motor-car heel brace is sensed, and its output signal is outwards exported to detection signal comparison circuit.The Hall element adopts A3144
Module.
The detection signal comparison circuit is built using voltage comparator, and voltage comparator circuit is respectively to inclining inspection
The signal and the comparison voltage of setting that slowdown monitoring circuit, cushion detection circuit and heel brace detection circuit transmission come is compared, and will
Comparative result is exported respectively to single chip circuit.The voltage comparator adopts LM339 voltage comparators.
The single chip circuit adopts STC15 series monolithics.The relay circuit adopts HK4100 relays, by list
Piece machine is carried out after computing according to the comparative result of detection signal comparison circuit, by its output end control relay contact switch
On off state, the output end of the contact switch of relay as safety control device.
It is installed at when this safety control device of electric vehicle is used on original circuit of electric motor car, electric motor car is opened electric door lock and led to
After electricity, each detection circuit of safety control device automatically into real-time detection state, when tilt detection electric circuit inspection is to vehicle body
When lateral tilt reaches dangerous inclined degree more than or equal to 25 °, or when cushion detection electric circuit inspection leaves cushion to cyclist,
Or when heel brace detection electric circuit inspection is not yet packed up to heel brace, single chip circuit control relay automatic pick, so that brake
Signal line is connected, and controller automatically disconnects in handle speed-regulating signal circuit, and handle function ceases to be in force automatically, and electric motor car stops driving
Dynamic, such as electric motor car is still in running status, moreover it is possible to carry out auxiliary brake braking automatically.It is designed with prolonging additionally, due to each detection circuit
When output circuit and intelligent optimization SCM program, can effectively reduce because jolting and shaking the erroneous judgement for producing, therefore intrinsic safety
Full device stability is high, strong shock resistance.And by SCM program optimization processing skew detection signal, once it trigger
Afterwards, relay can be made to keep the lockup state of adhesive, only in electric vehicle body righting and cyclist takes cushion and packs up pin
After support, electric door lock is closed and is opened again, lockup state could be cancelled, recover normal, make electric motor car playback so as to ensure that
Even if turning round in journey and there will not be danger to handle, the safety in utilization of electric motor car is increased.
Description of the drawings
Fig. 1 is the circuit module connection figure of safety control device.
Fig. 2 is the circuit diagram of direct current regulation circuit.
Fig. 3 is the circuit diagram of tilt detection circuit.
Fig. 4 is the circuit diagram that cushion detects circuit.
Fig. 5 is the circuit diagram that heel brace detects circuit.
Fig. 6 is the circuit diagram of detection signal comparison circuit.
Fig. 7 is the circuit diagram of single chip circuit.
Fig. 8 is relay circuit.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.
As shown in figure 1, the circuit of this safety control device of electric vehicle includes direct current regulation circuit, tilt detection circuit, sits
Pad detection circuit, heel brace detection circuit, detection signal comparison circuit, single chip circuit and relay circuit, wherein DC voltage-stabilizing
Circuit provides D.C. regulated power supply for other each circuits, and tilt detection circuit, cushion detection circuit and heel brace detect the defeated of circuit
Go out to terminate and be compared into detection signal comparison circuit, comparative result input single chip circuit, single chip circuit connection relay
Circuit is controlled to its on off state, is accessed in the brake signal circuit of electric motor car by the output end of relay circuit, and then
Electric motor car is controlled.
The direct current regulation circuit is respectively tilt detection circuit, cushion detection circuit, heel brace detection circuit, detection signal
Comparison circuit, single chip circuit and relay circuit provide+5V ,+3.3V power supplys, wherein+5V power supplys can directly using electronic
+ 5V the power supplys of car handle, it is also possible to as shown in Figure 2 12V～70V dc source Jing XL7005 direct currents are taken from electric motor car primary circuit
The U1 conversion of step-down chip；+ 3.3V power supplys are using+5V power supply Jing ME6206 three-terminal voltage-stabilizing chips U2 conversion.
The tilt detection circuit is built using ADXL335 3-axis accelerations module U3, as shown in figure 3, the 14 of module U3,
15 pin connect+3.3V power supplys, and 3,5,6,7 pin are grounded, and 10 pin of module U3 are Y-axis voltage output end QY, and its Jing electric capacity C5 is grounded, and
Export to detection signal comparison circuit.3-axis acceleration module is face-up when using, and makes Z axis vertically upward, and X-axis is electronic
Car direct of travel, Y-axis vertical electric car vehicle body, with the inclination angle of the angle of inclination correspondence vehicle body of the Y-axis of 3-axis acceleration module
Degree, when Y-axis angle of inclination is -90 °～+90 °, the voltage change range of the Y-axis voltage output end QY of 3-axis acceleration module
It is 0.99V～2.09V, in 0 ° of horizontal positioned, the voltage of QY is 1.65V, the then voltage that is tilted to the left reduces, be tilted to the right then electricity
Pressure increases.
The cushion detection circuit includes pressure sensitive sensor and filtering wave by prolonging time circuit, as shown in figure 4, the feeling of stress
Inductive sensing device adopts SBR sensor U4, and 1 pin of sensor U4 connects+5V power supplys, and 2 pin meet the positive pole of electric capacity C26 and resistance R43
One end, the minus earth of electric capacity C26, the other end of resistance R43 is output end ZD, is exported to detection signal comparison circuit, electric capacity
C26 and resistance R43 composition filtering wave by prolonging time circuits.The foam-rubber cushion being pasted onto pressure sensitive sensor U4 when using under cushion leather sheath
On, to detect the pressure of cushion.
Heel brace detection circuit includes Hall element and magnet, by magnet near or away from Hall element to electricity
Motor-car heel brace is sensed；As shown in figure 5, the Hall element adopts A3144 Hall element U5, Hall element U5's
1 pin connects+5V power supplys, and 2 pin are grounded, and 3 pin are output end jc, are exported to detection signal comparison circuit.
The detection signal comparison circuit is built using LM339 voltage comparator U6, as shown in fig. 6, tilt detection
The Y-axis voltage output end QY of circuit accesses 5 pin and 6 pin of voltage comparator U6, and+3.3V power supplys are sequentially connected in series resistance R15 and R28
After be grounded, the connecting line between resistance R15 and R28 be provided with branch road access voltage comparator U6 4 pin to provide inclination low level
Threshold voltage；+ 3.3V power supplys are sequentially connected in series after resistance R16 and R29 and are grounded, and the connecting line between resistance R16 and R29 is provided with and props up
Access 7 pin of voltage comparator U6 and incline high-order threshold voltage to provide in road；Output end ZD of cushion detection circuit accesses voltage
11 pin of comparator U6 ,+3.3V power supplys are sequentially connected in series after resistance R41 and R42 and are grounded, on the connecting line between resistance R41 and R42
It is provided with branch road and accesses 10 pin of voltage comparator U6 to provide cushion comparison voltage；Output end jc of heel brace detection circuit accesses electricity
9 pin of pressure comparator U6 ,+3.3V power supplys are sequentially connected in series after resistance R39 and R40 and are grounded, the connecting line between resistance R39 and R40
It is provided with branch road and accesses 8 pin of voltage comparator U6 to provide heel brace comparison voltage；3 pin of voltage comparator U6 connect+5V power supplys,
12 pin are grounded, and 1 pin and 2 pin are connected；2 pin of voltage comparator U6 ,+5V power series are accessed after+5V power series resistance R36
14 pin of voltage comparator U6 are accessed after resistance R37,13 pin of voltage comparator U6, electricity are accessed after+5V power series resistance R38
13 pin of pressure comparator U6,14 pin, 1 pin are exported to single chip circuit respectively as output end P3.3, P3.4, P3.5.
The single chip circuit is built using STC15 series monolithics U7, and 2 pin of single-chip microcomputer U7 connect+5V power supplys, and 4 pin connect
Ground, 8 pin, 1 pin, 3 pin meet respectively output end P3.3, P3.4 of detection signal comparison circuit, P3.5 ,+5V power series resistance R3
7 pin of single-chip microcomputer U7 are accessed afterwards, and 7 pin of single-chip microcomputer U7 are exported to relay circuit as output end P3.2.
The relay circuit is built using HK4100 relay RL1, the coil of+5V power supply contact relay RL1
One end and the negative pole of diode D7, the other end of the coil of relay RL1 and the positive pole of diode D7 connect the current collection of triode Q2
Pole, one end of the base stage connecting resistance R14 of triode Q2, the other end of resistance R14 connects output end P3.2 of single chip circuit, three poles
The grounded emitter of pipe Q2, the output end of one group of normally opened contact switch of relay RL1 as safety control device.
The normally opened contact switch output end 1,2 of relay RL1 is connected in parallel on into electric motor car when safety control device is used to stop
Normal open switch on.Electric motor car is opened after electric door lock energization, and each detection circuit of safety control device is automatically into real-time
Detection state.
When electric vehicle body is inclined to the left or to the right less than 25 °, the Y-axis of the 3-axis acceleration module of tilt detection circuit
Voltage output is without departing from the high and low threshold voltage scope of inclination that detection signal comparison circuit sets, 1 pin of voltage comparator U6
High level is exported with 2 pin parallel outputs；When electric vehicle body is tilted more than being equal to the left or to the right 25 °, tilt detection electricity
Inclination high and low threshold voltage model of the Y-axis voltage output of the 3-axis acceleration module on road beyond the setting of detection signal comparison circuit
Enclose, 1 pin of voltage comparator U6 and 2 pin parallel outputs export low level.
When taking on the cushion of electric motor car, the pressure sensitive sensor U4 in cushion is oppressed, and will be pressed
Force signal is transformed into high level voltage signal, and filtering wave by prolonging time circuit is arrived in high voltage signal output, through electric capacity C26 and resistance R43
After filtering wave by prolonging time, 11 pin of input voltage comparator U6, the 13 pin output high level of voltage comparator U6；When people leaves cushion
When, pressure sensitive sensor U4 is not oppressed, and exports low level signal to 11 pin of voltage comparator U6, voltage comparator
The 13 pin output low level of U6.
When the heel brace of electric motor car is packed up, the magnet of heel brace detection circuit is away from Hall element U6, Hall element U5
3 pin output high level, 9 pin of input voltage comparator U6, voltage comparator U6 14 pin output high level；When electric motor car
When heel brace puts down, the magnet of heel brace detection circuit is near Hall element U5, and the 3 pin output low level of Hall element U5 is defeated
Enter 9 pin of voltage comparator U6, the 14 pin output low level of voltage comparator U6.
1 pin, 3 pin as single-chip microcomputer U7,8 pin be input into for high level when, single-chip microcomputer U7 7 pin output low level, three poles
Pipe Q2 ends, relay RL1 not adhesives, and brake signal circuit disconnects, electric motor car normally travel；1 pin, 3 pin as single-chip microcomputer U7,
When the input of 8 any one of pin is low level, the 7 pin output high level of single-chip microcomputer U7, triode Q2 conductings, relay RL1 adhesives are stopped
Car signal line is connected, and controller obtains brake signal, and handle disabler, electric motor car can be made to stop driving, such as electric motor car still
In running status, moreover it is possible to carry out auxiliary brake braking automatically.When 3 pin of single-chip microcomputer U7 are after low level is detected, monolithic
7 pin of machine U7 export always high level, and relay RL1 can be always maintained at attracting state, only in electric vehicle body righting and ride
Car people takes cushion and packs up after heel brace, electric door lock is closed and is opened again, could cancel lockup state, recovers normal, so as to protect
Danger is there will not be to handle even if having demonstrate,proved and electric motor car is turned round during playback, the safety in utilization of electric motor car is increased.
Alternatively, it is also possible to the normally-closed contact output switching terminal 1,3 of the relay RL1 of safety control device is serially connected in into electricity
On motor-car handle speed-regulating signal line, the normally opened contact switch output end 1,2 of relay RL1 does not access brake signal circuit, now
After the triggering of safety control device, electric motor car can also be realized automatically powering off the function of stopping driving, but can not carry out automatically auxiliary
Help skidding.
Claims (2)
1. a kind of safety control device of electric vehicle, is characterized in that：Its circuit includes direct current regulation circuit, tilt detection circuit, sits
Pad detection circuit, heel brace detection circuit, detection signal comparison circuit, single chip circuit and relay circuit, wherein DC voltage-stabilizing
Circuit provides D.C. regulated power supply for other each circuits, and tilt detection circuit, cushion detection circuit and heel brace detect the defeated of circuit
Go out to terminate and be compared into detection signal comparison circuit, comparative result input single chip circuit, single chip circuit connection relay
Circuit is controlled to its on off state, is accessed in the brake signal circuit of electric motor car by the output end of relay circuit, and then
Electric motor car is controlled；
The tilt detection circuit adopts 3-axis acceleration module construction, and 3-axis acceleration module is by electric vehicle body angle of inclination
Voltage signal outwards export to detection signal comparison circuit；
The cushion detection circuit includes pressure sensitive sensor and filtering wave by prolonging time circuit, and wherein pressure sensitive sensor will be electronic
Car cushion pressure conversion is voltage signal, and voltage signal is outwards exported to detection signal ratio Jing after the filtering of filtering wave by prolonging time circuit delay
Compared with circuit；
Heel brace detection circuit includes Hall element and magnet, by magnet near or away from Hall element to electric motor car
Heel brace is sensed, and its output signal is outwards exported to detection signal comparison circuit；
The detection signal comparison circuit is built using voltage comparator, and voltage comparator circuit is respectively to tilt detection electricity
The signal and the comparison voltage of setting that road, cushion detection circuit and heel brace detection circuit transmission come is compared, and will compare
As a result export respectively to single chip circuit；
In the single chip circuit and relay circuit, transported according to the comparative result of detection signal comparison circuit by single-chip microcomputer
After calculation, by the on off state of its output end control relay contact switch, the contact switch of relay is used as safety control
The output end of device；
The tilt detection circuit is built using ADXL335 3-axis accelerations module U3, and it is electric that 14,15 pin of module U3 meet+3.3V
Source, 3,5,6,7 pin ground connection, 10 pin of module U3 are Y-axis voltage output end QY, and its Jing electric capacity C5 is grounded, and are exported to detection letter
Number comparison circuit；
The cushion detection circuit includes pressure sensitive sensor and filtering wave by prolonging time circuit, and the pressure sensitive sensor is adopted
1 pin of SBR sensor U4, sensor U4 connects+5V power supplys, and 2 pin meet one end of the positive pole of electric capacity C26 and resistance R43, electric capacity C26
Minus earth, the other end of resistance R43 is output end ZD, is exported to detection signal comparison circuit, electric capacity C26 and resistance R43
Composition filtering wave by prolonging time circuit；
Heel brace detection circuit includes Hall element and magnet, by magnet near or away from Hall element to electric motor car
Heel brace is sensed；The Hall element adopts A3144 Hall element U5, and the 1 pin connection+5V of Hall element U5 is electric
Source, 2 pin ground connection, 3 pin are output end jc, are exported to detection signal comparison circuit；
The detection signal comparison circuit is built using LM339 voltage comparator U6, and the Y-axis voltage of tilt detection circuit is defeated
Go out to hold QY to access 5 pin and 6 pin of voltage comparator U6 ,+3.3V power supplys are sequentially connected in series after resistance R15 and R28 and are grounded, resistance R15
Connecting line and R28 between is provided with branch road and accesses 4 pin of voltage comparator U6 to provide inclination low level threshold voltage；+3.3V
Power supply be sequentially connected in series after resistance R16 and R29 be grounded, the connecting line between resistance R16 and R29 be provided with branch road access voltage ratio compared with
7 pin of device U6 incline high-order threshold voltage to provide；Output end ZD of cushion detection circuit accesses 11 pin of voltage comparator U6,
+ 3.3V power supplys are sequentially connected in series after resistance R41 and R42 and are grounded, and the connecting line between resistance R41 and R42 is provided with branch road and accesses electricity
10 pin of comparator U6 are pressed to provide cushion comparison voltage；Output end jc of heel brace detection circuit accesses the 9 of voltage comparator U6
Pin ,+3.3V power supplys are sequentially connected in series after resistance R39 and R40 and are grounded, and the connecting line between resistance R39 and R40 is provided with branch road access
8 pin of voltage comparator U6 are providing heel brace comparison voltage；3 pin of voltage comparator U6 connect+5V power supplys, 12 pin ground connection, 1 pin and
2 pin are connected；2 pin of voltage comparator U6 are accessed after+5V power series resistance R36, is accessed after+5V power series resistance R37
14 pin of voltage comparator U6, access 13 pin of voltage comparator U6 after+5V power series resistance R38, voltage comparator U6's
13 pin, 14 pin, 1 pin are exported to single chip circuit respectively as output end P3.3, P3.4, P3.5；
The single chip circuit is built using STC15 series monolithics U7, and 2 pin of single-chip microcomputer U7 connect+5V power supplys, and 4 pin are grounded, and 8
Pin, 1 pin, 3 pin meet respectively output end P3.3, P3.4 of detection signal comparison circuit, P3.5, and+5V power series resistance R3 are followed by
Enter 7 pin of single-chip microcomputer U7,7 pin of single-chip microcomputer U7 are exported to relay circuit as output end P3.2；
The relay circuit is built using HK4100 relay RL1, one end of the coil of+5V power supply contact relay RL1
With the negative pole of diode D7, the other end of the coil of relay RL1 and the positive pole of diode D7 connect the colelctor electrode of triode Q2, and three
One end of the base stage connecting resistance R14 of pole pipe Q2, the other end of resistance R14 meets output end P3.2 of single chip circuit, triode Q2
Grounded emitter, the output end of one group of normally opened contact switch of relay RL1 as safety control device.
2. safety control according to claim 1, is characterized in that：The direct current regulation circuit is respectively tilt detection
Circuit, cushion detection circuit, heel brace detection circuit, detection signal comparison circuit, single chip circuit and relay circuit offer+
5V ,+3.3V power supply, wherein+5V power supplys take 12V～70V dc source Jing XL7005 DC decompression cores from electric motor car primary circuit
Piece U1 is converted；+ 3.3V power supplys are using+5V power supply Jing ME6206 three-terminal voltage-stabilizing chips U2 conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843110.9U CN206162112U (en) | 2016-08-05 | 2016-08-05 | Electric motor car safety control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843110.9U CN206162112U (en) | 2016-08-05 | 2016-08-05 | Electric motor car safety control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206162112U true CN206162112U (en) | 2017-05-10 |
Family
ID=58646252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620843110.9U Withdrawn - After Issue CN206162112U (en) | 2016-08-05 | 2016-08-05 | Electric motor car safety control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206162112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168781A (en) * | 2016-08-05 | 2016-11-30 | 广西定能电子科技有限公司 | Safety control device of electric vehicle |
| CN107379970A (en) * | 2017-08-01 | 2017-11-24 | 西安科技大学 | The break prompt device and electric car that electric car is tilted or toppled over |
-
2016
- 2016-08-05 CN CN201620843110.9U patent/CN206162112U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168781A (en) * | 2016-08-05 | 2016-11-30 | 广西定能电子科技有限公司 | Safety control device of electric vehicle |
| CN106168781B (en) * | 2016-08-05 | 2019-03-15 | 广西一定能电子科技有限公司 | Safety control device of electric vehicle |
| CN107379970A (en) * | 2017-08-01 | 2017-11-24 | 西安科技大学 | The break prompt device and electric car that electric car is tilted or toppled over |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20190315 |