CN205292303U - Safety control device of electric vehicle - Google Patents
Safety control device of electric vehicle Download PDFInfo
- Publication number
- CN205292303U CN205292303U CN201521043986.7U CN201521043986U CN205292303U CN 205292303 U CN205292303 U CN 205292303U CN 201521043986 U CN201521043986 U CN 201521043986U CN 205292303 U CN205292303 U CN 205292303U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- power supply
- electric motor
- motor car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
- B62M6/50—Control or actuating devices therefor characterised by detectors or sensors, or arrangement thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a safety control device of electric vehicle, its circuit includes direct current voltage stabilizing circuit, slope detection circuitry, cushion detection circuitry, heel brace detection circuitry, or logic circuit and relay switch locking circuit, wherein direct current voltage stabilizing circuit provides D. C. Regulated power supply for other each circuit, slope detection circuitry, each access of cushion detection circuitry and heel brace detection circuitry's output or logic circuit's an input, or logic circuit's output access relay switch locking circuit is controlled its on off state, insert by the output of relay switch locking circuit among the speed governing signal circuit and 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 in the slope of electric motor car side direction 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
This utility model relates to a kind of safety control, specifically a kind of in electric motor car lateral tilt or when toppling over, people can automatically actuated safety control when leaving medicated cushion or when heel brace does not pack up, belonging 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
Development along with society, the jam of urban transportation is increasingly severe, light and energy-conserving and environment-protective electric motor car increasingly obtains the favor of people flexibly, current electric motor car has become the important walking-replacing tool that a lot of people is on and off duty and other are movable, and people are also more and more higher to the requirement of the security performance of electric motor car. Yet suffer from following several comparatively significantly potential safety hazard yet with existing electric motor car, make people in the process using electric motor car, accidentally will be accidents caused:
(1) when, causing electric motor car tilt or topple over when having an accident, cyclist controls the hands of electric motor car speed control crank and tends not to unclamp in time, even also can subconscious hand-to-hand grip handle, make electric motor car remain in that when toppling over and drive the state even accelerated, so can cause out of control to electric motor car of cyclist, it is easy to cyclist is caused secondary injury.
(2), when drive routine electric motor car, people just get off when being not turned off electric switch sometimes, or when but without turning on electric switch when occupying stably when cycling, now people goes to hold up handle, it is easy to turn round handle by mistake, electric motor car is just started when nobody takes or occupies stably, causes to lose control of one's vehicle, causing the accident.
(3), when drive routine electric motor car, after being put down by the heel brace of electric motor car when people are stopped, having forgotten sometimes to pack up heel brace just to restart, in this case, the electric motor car in traveling is easy to make heel brace encounter ground, causes that vehicle is unbalance, causes the accident.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of safety control device of electric vehicle, by installing this device in electric motor car, when in electric motor car lateral tilt or when toppling over, people leave medicated cushion time or heel brace do not pack up time, this device can make electric vehicle rotary disabler, and electric motor car automatically powers off, such as electric motor car still in running status, automatically electric motor car can also be carried out auxiliary brake braking, make electric motor car to slow down rapidly.
Realize automatic circuit break function, can be realized by the connection of the speed-regulating signal line of disconnection handle with controller, can also be realized by the mode of connection brake signal line, because existing controller for electric vehicle all has brake automatic circuit break function, after brake signal line is connected, controller obtains brake signal, can automatically power off and make handle disabler. Additionally, in order to strengthen the braking ability of electric motor car, controller on the market adds brake electromagnetism auxiliary brake function mostly at present, namely after electric vehicle brake power-off, when electric motor vehicle sliding, controller controls output stage brachium pontis short circuit motor winding, thus produce electromagnetism resistance torque, the purpose of fast braking motor can be reached, therefore controller is had to the electric motor car of brake electromagnetism auxiliary brake function, as long as connecting brake signal line, automatic circuit break function can be realized, can automatically carry out again auxiliary brake braking.
The concrete technical scheme that this utility model is taked is as follows:
A kind of safety control device of electric vehicle, it is characterized in that: its circuit includes direct current regulation circuit, tilt detection circuit, medicated cushion testing circuit, heel brace testing circuit, or logic circuit and relay switch locking circuit, wherein direct current regulation circuit provides D.C. regulated power supply for other each circuit, tilt detection circuit, the outfan of medicated cushion testing circuit and heel brace testing circuit respectively accesses or an input of logic circuit, or its on off state is controlled by the outfan cut-in relay switch locking circuit of logic circuit, accessed in speed-regulating signal circuit and the brake signal circuit of electric motor car by the outfan of relay switch locking circuit, and then electric motor car is controlled.
Described tilt detection circuit includes 3-axis acceleration module, tilt voltage comparison circuit and tilts time delay output circuit, wherein the predeterminated voltage of the voltage signal at electric motor car angle of inclination Yu tilt voltage comparison circuit is compared computing by 3-axis acceleration module, and the operation result of tilt voltage comparison circuit outwards exports after tilting time delay output circuit time delay. Described 3-axis acceleration module can adopt ADXL335 module or KXSS5 module.
Described medicated cushion testing circuit includes pressure sensitive sensor, filter circuit, signal amplification circuit, medicated cushion voltage comparator circuit and medicated cushion time delay output circuit, wherein electric vehicle seat cushion pressure is converted to voltage signal by pressure sensitive sensor, the filtered circuit of voltage signal and signal amplification circuit are by after filter and amplification, comparing computing with the predeterminated voltage of medicated cushion voltage comparator circuit, the operation result of medicated cushion voltage comparator circuit outwards exports after medicated cushion time delay output circuit time delay. Described pressure sensitive sensor can adopt BF350 foil resistance foil gauge.
Described heel brace testing circuit includes magnetic switch and heel brace time delay output circuit, wherein by magnetic switch, foot support of electric motor car is sensed, and its output signal outwards exports after heel brace time delay output circuit time delay. Described magnetic switch adopts the antidetonation normally closed tongue tube of drop-proof GPS-01.
Described or logic circuit adopts CD4075B module. Described relay switch locking circuit includes relay and controllable silicon, and by the on off state of SCR control relay contact switch and it is locked, the contact switch of relay controls the outfan of device as safety.
This safety control device of electric vehicle is installed on original circuit of electric motor car when using, after electric door lock energising is opened in electric motor car, safety controls each testing circuit of device automatically into detecting state in real time, when tilt detection electric circuit inspection to vehicle body is laterally tilted more than reaching dangerous inclined degree equal to 25 ��, or when medicated cushion testing circuit detects that cyclist leaves medicated cushion, or when heel brace testing circuit detects that heel brace is not yet packed up, the relay of relay switch locking circuit is understood automatic pick and is always maintained at, so that handle speed-regulating signal circuit disconnects, brake signal circuit is connected, handle function ceases to be in force automatically, electric motor car stops driving, such as electric motor car still in running status, can also automatically carry out auxiliary brake braking.Being designed with time delay output circuit additionally, due to each testing circuit, can effectively reduce because jolting and shaking the erroneous judgement of generation, therefore safety device stability is high, strong shock resistance. Owing to the on off state of relay is by SCR control, itself once trigger after, relay can be entered and keep the lockup state of adhesive, only after electric vehicle body righting and cyclist are taken medicated cushion and packed up heel brace, electric door lock is closed and opens again, lockup state could be cancelled, recover normal, even if thus ensure that making electric motor car turn round in playback process there will not be danger to handle, adds the safety in utilization of electric motor car.
Accompanying drawing explanation
Fig. 1 is the circuit module connection figure that safety controls device.
Fig. 2 is the+5V and+3.3V power-switching circuit figure of direct current regulation circuit.
Fig. 3 is the-5V power-switching circuit figure of direct current regulation circuit.
Fig. 4 is the circuit diagram of tilt voltage comparison circuit and inclination time delay output circuit in tilt detection circuit.
Fig. 5 is the circuit diagram that in tilt detection circuit, 3-axis acceleration module adopts ADXL335 module.
Fig. 6 is the circuit diagram that in tilt detection circuit, 3-axis acceleration module adopts KXSS5 module.
Fig. 7 is the circuit diagram of medicated cushion testing circuit.
Fig. 8 is the circuit diagram of heel brace testing circuit.
Fig. 9 is or the circuit diagram of logic circuit and relay switch locking circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further.
As shown in Figure 1, the circuit of this safety control device of electric vehicle includes direct current regulation circuit, tilt detection circuit, medicated cushion testing circuit, heel brace testing circuit, or logic circuit and relay switch locking circuit, wherein direct current regulation circuit provides D.C. regulated power supply for other each circuit, tilt detection circuit, the outfan of medicated cushion testing circuit and heel brace testing circuit respectively accesses or an input of logic circuit, or its on off state is controlled by the outfan cut-in relay switch locking circuit of logic circuit, accessed in speed-regulating signal circuit and the brake signal circuit of electric motor car by the outfan of relay switch locking circuit, and then electric motor car is controlled.
Described direct current regulation circuit respectively tilt detection circuit, voltage comparator circuit and delay switch locking circuit provide+5V ,+3.3V and-5V power supply, wherein+5V power supply can directly adopt+5V the power supply of electric vehicle rotary handle, it is also possible to takes 12V��70V DC source as shown in Figure 2 from electric motor car primary circuit and converts through XL7005 DC decompression chip U1; + 3.3V power supply adopts+5V power supply to convert through ME6206 three-terminal voltage-stabilizing chip U2;-5V power supply adopts+5V power supply to convert through MAX1044 electric power polarity converter chip U7 as shown in Figure 3.
Described tilt detection circuit includes 3-axis acceleration module, tilt voltage comparison circuit and tilts time delay output circuit. as shown in Figure 5 and Figure 6, described 3-axis acceleration module can adopt ADXL335 module or KXSS5 module, during use, 3-axis acceleration module faces up, make Z axis vertically upward, X-axis is electric motor car direct of travel, Y-axis vertical electric car vehicle body, angle of inclination with the angle of inclination correspondence vehicle body of the Y-axis of 3-axis acceleration module, when Y-axis angle of inclination is-90 �㡫+90 ��, the voltage change range of the Y-axis voltage output end Yout of 3-axis acceleration module is 0.99V��2.09V, when 0 �� of horizontal positioned, the voltage of Yout is 1.65V, the then voltage that is tilted to the left reduces, the then voltage that is tilted to the right increases.As shown in Figure 4, described tilt voltage comparison circuit and tilt time delay output circuit and be: 3 feet that the Y-axis voltage output end Yout of 3-axis acceleration module divides two-way to be respectively connected to LM393 voltage comparator U4 and 6 feet are to provide voltage to be compared, + 3.3V power supply is sequentially connected in series ground connection after resistance R4 and R5, and the connecting line between resistance R4 and R5 is provided with branch road and accesses 2 feet of voltage comparator U4 to provide high-order threshold voltage, + 3.3V power supply is sequentially connected in series ground connection after resistance R5 and R6, connecting line between resistance R5 and R6 is provided with branch road and accesses 5 feet of voltage comparator U4 to provide low level threshold voltage, 8 feet of voltage comparator U4 connect+5V power supply, 4 foot ground connection, one end of 1 foot connecting resistance R7 and the positive pole of diode D2, one end of 7 foot connecting resistance R8 and the positive pole of diode D3, another termination+5V power supply of resistance R7 and R8, connect the base stage of NPN audion Q1 through resistance R9 after the negative pole parallel connection of diode D2 and D3, the positive pole of electric capacity C5, one end of resistance R10 and the positive pole of diode D4, the negative pole of diode D4 and the colelctor electrode of audion Q1 connect+5V power supply, the negative pole of electric capacity C5 and the other end ground connection of resistance R10, the outfan OUT1 of the transmitting of audion Q1 extremely tilt detection circuit.
Described medicated cushion testing circuit includes pressure sensitive sensor, filter circuit, signal amplification circuit, medicated cushion voltage comparator circuit and medicated cushion time delay output circuit, as shown in Figure 7, described pressure sensitive sensor adopts four BF350 foil resistance foil gauge RY1, RY2, RY3, RY4, its initial resistivity value 350 Europe, sensitivity coefficient 2.11 �� 1%, all-sealed structure, band temperature self-compensation, pliability is good, and it is convenient to paste, stable performance. during use, the sheet metal being pasted with foil resistance foil gauge is fixed on the vehicle frame bottom cushions support point to detect the pressure of medicated cushion. by four foil gauge RY1, RY2, RY3, RY4 forms DC bridge circuit, two input termination+5V and-5V power supplys of direct-current bridge, two outfans of direct-current bridge distinguish series resistor R11 and R12 and respectively through electric capacity C8, C9 and electric capacity C10, after C11 filtering, it is respectively connected to 3 feet and 2 feet of signal amplification circuit AD620AN amplification chip U5, 7 feet of amplification chip U5 connect+5V power supply, 4 feet connect-5V power supply, 5 foot ground connection, the adjustable resistance R13 for regulating amplification it is connected between 8 feet and 1 foot, 6 feet are signal amplification outfan the 2 feet connections with LM358 amplifier U5, 3 feet of the one termination amplifier U6 of resistance R14 and R15, the other end of resistance R14 and 8 feet of amplifier U6 connect+5V power supply, the other end of resistance R15 and the 4 foot ground connection of amplifier U6, 1 foot of amplifier U6 connects the base stage of NPN audion Q2 through resistance R21, the positive pole of electric capacity C12, one end of resistance R22 and the positive pole of diode D5, the negative pole of diode D5 and the colelctor electrode of audion Q2 connect+5V power supply, the negative pole of electric capacity C12 and the other end ground connection of resistance R22, the outfan OUT2 of the transmitting of audion Q2 extremely medicated cushion testing circuit.
Described heel brace testing circuit includes magnetic switch and heel brace time delay output circuit, and as shown in Figure 8, described magnetic switch adopts the normally closed tongue tube CX of antidetonation drop-proof GPS-01. During use, tongue tube CX is arranged on the vehicle frame corresponding with heel brace stowed position, and Magnet is installed on heel brace. One termination+5V the power supply of tongue tube CX, the other end connects the positive pole of the base stage of NPN audion Q3, the positive pole of electric capacity C9, one end of resistance R17 and diode D6 through resistance R16, the negative pole of diode D6 and the colelctor electrode of audion Q3 connect+5V power supply, the negative pole of electric capacity C9 and the other end ground connection of resistance R17, the outfan OUT3 of the transmitting of audion Q3 extremely heel brace testing circuit.
As shown in Figure 9, described or logic circuit adopts CD4075B module U8, the 11 of module U8,12,13 foot inputs connect the 10 foot outfan contact relay switch locking circuit of the outfan OUT3, module U8 of the outfan OUT1 of tilt detection circuit, the outfan OUT2 of medicated cushion testing circuit and heel brace testing circuit respectively. Described relay switch locking circuit includes controllable silicon Q4 and relay R L1, the 12 foot outfans of module U8 connect one end controlling pole and resistance R19 of controllable silicon Q4 through resistance R18, the other end ground connection of resistance R19, the anode of controllable silicon Q4 connects+5V power supply, one end of the coil of negative electrode contact relay RL1 and the negative pole of diode D7, the other end of the coil of relay R L1 and the plus earth of diode D7, one group of normally opened contact switch of relay R L1 and normally-closed contact switch control the outfan of device as safety.
Safety controls, when device uses, the normally-closed contact output switching terminal 1,3 of relay R L1 is serially connected in electric vehicle rotary, on speed-regulating signal line, being connected in parallel on the normal open switch of electric bicycle brake handle bar by the normally opened contact output switching terminal 1,2 of relay R L1. After electric door lock energising is opened in electric motor car, safety controls each testing circuit of device automatically into detecting state in real time.
When electric vehicle body tilts to the left or to the right less than 25 ��, the high and low threshold voltage scope that the Y-axis voltage output of the 3-axis acceleration module of tilt detection circuit sets without departing from tilt voltage comparison circuit, the parallel outputs output low level of voltage comparator U4, audion Q1 is not turned on, outfan OUT1 output low level; When electric vehicle body is tilted more than being equal to 25 �� to the left or to the right, the high and low threshold voltage scope that the Y-axis voltage output of the 3-axis acceleration module of tilt detection circuit sets beyond tilt voltage comparison circuit, the parallel outputs output high level of voltage comparator U4, high level charges to electric capacity C5 through resistance R9, after charging to certain voltage, audion Q1 Delayed conducting, outfan OUT1 exports high level.
When the medicated cushion of electric motor car is taken, foil resistance foil gauge pressurized in the DC bridge circuit of medicated cushion testing circuit, its resistance becomes big, the output voltage at direct-current bridge two ends after filtering with signal amplification circuit after, the input voltage of medicated cushion voltage comparator is more than predeterminated voltage, amplifier U6 output low level, audion Q2 is not turned on, outfan OUT2 output low level; As no one on the medicated cushion of electric motor car, foil resistance foil gauge not pressurized in the DC bridge circuit of medicated cushion testing circuit, its resistance recovers initial resistance, electric bridge is in poised state completely, and the input voltage of medicated cushion voltage comparator is less than predeterminated voltage, and amplifier U6 exports high level, high level charges to electric capacity C12 through resistance R21, after charging to certain voltage, audion Q2 Delayed conducting, outfan OUT2 exports high level.
When the heel brace of electric motor car is packed up, after the normally closed tongue tube CX of heel brace testing circuit senses the Magnet on heel brace, its interior magnetic switch disconnects, and audion Q3 is not turned on, outfan OUT3 output low level; When the heel brace of electric motor car is not yet packed up, the tongue tube CX of heel brace testing circuit cannot sense the Magnet on heel brace, its interior magnetic switch remains closed, the high level of+5V power supply charges to electric capacity C9 through resistance R16, after charging to certain voltage, audion Q3 Delayed conducting, outfan OUT3 exports high level.
When the equal output low level of outfan OUT1, OUT2, OUT3, or the 10 foot output low levels of the CD4075B module U6 of logic circuit, controllable silicon Q4 is not turned on, and relay R L1 not adhesive, electric motor car normally travels.When outfan any one of OUT1, OUT2, OUT3 exports high level, or the 10 foot output high level of the CD4075B module U8 of logic circuit, controllable silicon Q4 turns on, relay R L1 obtains electric adhesive, and handle speed-regulating signal circuit disconnects, and brake signal circuit is connected, handle function ceases to be in force automatically, electric motor car stops driving, such as electric motor car still in running status, moreover it is possible to automatically carry out auxiliary brake braking. Controllable silicon Q4 is once constantly on after triggering, relay R L1 can be always maintained at the lockup state of adhesive, only after electric vehicle body righting and cyclist are taken medicated cushion and packed up heel brace, electric door lock is closed and opens again, lockup state could be cancelled, recover normal, even if thus ensure that making electric motor car turn round in playback process there will not be danger to handle, adds the safety in utilization of electric motor car.
Further, since existing controller for electric vehicle all has brake automatic circuit break function, after brake signal line is connected, controller obtains brake signal, can make handle disabler. Therefore the normally opened contact output switching terminal 1,2 that safety only can control device is connected in parallel on the normal open switch of electric bicycle brake handle bar, need not connect normally-closed contact output switching terminal 1,3, it is also possible to realize repertoire. If the normally-closed contact output switching terminal 1,3 that safety only controls device is serially connected in electric vehicle rotary on speed-regulating signal line, do not connect normally opened contact output switching terminal 1,2, after safety controls device triggering, electric motor car can also realize automatically powering off the function stopping driving, but can not automatically carry out auxiliary brake braking.
Claims (9)
1. a safety control device of electric vehicle, it is characterized in that: its circuit includes direct current regulation circuit, tilt detection circuit, medicated cushion testing circuit, heel brace testing circuit, or logic circuit and relay switch locking circuit, wherein direct current regulation circuit provides D.C. regulated power supply for other each circuit, tilt detection circuit, the outfan of medicated cushion testing circuit and heel brace testing circuit respectively accesses or an input of logic circuit, or its on off state is controlled by the outfan cut-in relay switch locking circuit of logic circuit, accessed in speed-regulating signal circuit and the brake signal circuit of electric motor car by the outfan of relay switch locking circuit, and then electric motor car is controlled.
2. safety control according to claim 1, it is characterized in that: described tilt detection circuit includes 3-axis acceleration module, tilt voltage comparison circuit and tilts time delay output circuit, wherein the predeterminated voltage of the voltage signal at electric motor car angle of inclination Yu tilt voltage comparison circuit is compared computing by 3-axis acceleration module, and the operation result of tilt voltage comparison circuit outwards exports after tilting time delay output circuit time delay;
Described medicated cushion testing circuit includes pressure sensitive sensor, filter circuit, signal amplification circuit, medicated cushion voltage comparator circuit and medicated cushion time delay output circuit, wherein electric vehicle seat cushion pressure is converted to voltage signal by pressure sensitive sensor, the filtered circuit of voltage signal and signal amplification circuit are by after filter and amplification, comparing computing with the predeterminated voltage of medicated cushion voltage comparator circuit, the operation result of medicated cushion voltage comparator circuit outwards exports after medicated cushion time delay output circuit time delay;
Described heel brace testing circuit includes magnetic switch and heel brace time delay output circuit, wherein by magnetic switch, foot support of electric motor car is sensed, and its output signal outwards exports after heel brace time delay output circuit time delay;
Described relay switch locking circuit includes relay and controllable silicon, and by the on off state of SCR control relay contact switch and it is locked, the contact switch of relay controls the outfan of device as safety.
3. safety control according to claim 2, it is characterized in that: described tilt detection circuit is with the angle of inclination of the angle of inclination correspondence vehicle body of the Y-axis of 3-axis acceleration module, and the Y-axis voltage output end Yout of 3-axis acceleration module divides 3 feet and 6 feet that two-way is respectively connected to LM393 voltage comparator U4 to provide voltage to be compared, + 3.3V power supply is sequentially connected in series ground connection after resistance R4 and R5, and the connecting line between resistance R4 and R5 is provided with branch road and accesses 2 feet of voltage comparator U4 to provide high-order threshold voltage, + 3.3V power supply is sequentially connected in series ground connection after resistance R5 and R6, connecting line between resistance R5 and R6 is provided with branch road and accesses 5 feet of voltage comparator U4 to provide low level threshold voltage, 8 feet of voltage comparator U4 connect+5V power supply, 4 foot ground connection, one end of 1 foot connecting resistance R7 and the positive pole of diode D2, one end of 7 foot connecting resistance R8 and the positive pole of diode D3, another termination+5V power supply of resistance R7 and R8, connect the base stage of NPN audion Q1 through resistance R9 after the negative pole parallel connection of diode D2 and D3, the positive pole of electric capacity C5, one end of resistance R10 and the positive pole of diode D4, the negative pole of diode D4 and the colelctor electrode of audion Q1 connect+5V power supply, the negative pole of electric capacity C5 and the other end ground connection of resistance R10, the outfan of the transmitting of audion Q1 extremely tilt detection circuit.
4. safety control according to claim 3, is characterized in that: described 3-axis acceleration module adopts ADXL335 module.
5. safety control according to claim 3, is characterized in that: described 3-axis acceleration module adopts KXSS5 module.
6. safety control according to claim 2, it is characterized in that: the pressure sensitive sensor of described medicated cushion testing circuit adopts four BF350 foil resistance foil gauge RY1, RY2, RY3, RY4, by four foil gauge RY1, RY2, RY3, RY4 forms DC bridge circuit, two input termination+5V and-5V power supplys of direct-current bridge, two outfans of direct-current bridge distinguish series resistor R11 and R12 and respectively through electric capacity C8, C9 and electric capacity C10, after C11 filtering, it is respectively connected to 3 feet and 2 feet of signal amplification circuit AD620AN amplification chip U5, 7 feet of amplification chip U5 connect+5V power supply, 4 feet connect-5V power supply, 5 foot ground connection, the adjustable resistance R13 for regulating amplification it is connected between 8 feet and 1 foot, 6 feet are signal amplification outfan the 2 feet connections with LM358 amplifier U5, 3 feet of the one termination amplifier U6 of resistance R14 and R15, the other end of resistance R14 and 8 feet of amplifier U6 connect+5V power supply, the other end of resistance R15 and the 4 foot ground connection of amplifier U6, 1 foot of amplifier U6 connects the base stage of NPN audion Q2 through resistance R21, the positive pole of electric capacity C12, one end of resistance R22 and the positive pole of diode D5, the negative pole of diode D5 and the colelctor electrode of audion Q2 connect+5V power supply, the negative pole of electric capacity C12 and the other end ground connection of resistance R22, the outfan of the transmitting of audion Q2 extremely medicated cushion testing circuit.
7. safety control according to claim 2, it is characterized in that: the magnetic switch of described heel brace testing circuit adopts the normally closed tongue tube CX of antidetonation drop-proof GPS-01, the position of heel brace is detected with tongue tube CX, one termination+5V the power supply of tongue tube CX, the other end connects the base stage of NPN audion Q3 through resistance R16, the positive pole of electric capacity C9, one end of resistance R17 and the positive pole of diode D6, the negative pole of diode D6 and the colelctor electrode of audion Q3 connect+5V power supply, the negative pole of electric capacity C9 and the other end ground connection of resistance R17, the outfan of the transmitting of audion Q3 extremely heel brace testing circuit.
8. safety control according to claim 2, it is characterized in that: described or logic circuit adopts CD4075B module U8, the 11 of module U8,12,13 foot inputs connect the outfan of the outfan of tilt detection circuit, the outfan of medicated cushion testing circuit and heel brace testing circuit respectively, the 10 foot outfan contact relay switch locking circuit of module U8;
Described relay switch locking circuit includes controllable silicon Q4 and relay R L1, the 12 foot outfans of module U8 connect one end controlling pole and resistance R19 of controllable silicon Q4 through resistance R18, the other end ground connection of resistance R19, the anode of controllable silicon Q4 connects+5V power supply, one end of the coil of negative electrode contact relay RL1 and the negative pole of diode D7, the other end of the coil of relay R L1 and the plus earth of diode D7, one group of normally opened contact switch of relay R L1 and normally-closed contact switch control the outfan of device as safety.
9. the safety control according to any one of claim 1��8, it is characterized in that: described direct current regulation circuit respectively tilt detection circuit, voltage comparator circuit and delay switch locking circuit provide+5V ,+3.3V and-5V power supply, wherein+5V power supply directly adopts+5V the power supply of electric vehicle rotary handle or takes 12V��70V DC source from electric motor car primary circuit through XL7005 DC decompression chip U1 conversion; + 3.3V power supply adopts+5V power supply to convert through ME6206 three-terminal voltage-stabilizing chip U2;-5V power supply adopts+5V power supply to convert through MAX1044 electric power polarity converter chip U7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043986.7U CN205292303U (en) | 2015-12-15 | 2015-12-15 | Safety control device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521043986.7U CN205292303U (en) | 2015-12-15 | 2015-12-15 | Safety control device of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292303U true CN205292303U (en) | 2016-06-08 |
Family
ID=56431968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521043986.7U Withdrawn - After Issue CN205292303U (en) | 2015-12-15 | 2015-12-15 | Safety control device of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398344A (en) * | 2015-12-15 | 2016-03-16 | 广西一定能电子科技有限公司 | Safety control device for electric vehicle |
-
2015
- 2015-12-15 CN CN201521043986.7U patent/CN205292303U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398344A (en) * | 2015-12-15 | 2016-03-16 | 广西一定能电子科技有限公司 | Safety control device for electric vehicle |
| CN105398344B (en) * | 2015-12-15 | 2017-10-24 | 广西一定能电子科技有限公司 | A kind of safety control device of electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105398344B (en) | A kind of safety control device of electric vehicle | |
| CN104276049B (en) | Circuit device capable of automatically cutting off speed controller during lateral inclining or toppling over of electric vehicle | |
| JP5912758B2 (en) | Electric vehicle charging control device | |
| US20100289452A1 (en) | Power supply apparatus for vehicles | |
| US20110288705A1 (en) | Starting control device of electric vehicle | |
| MX2007000823A (en) | Vehicle propulsion system. | |
| JPH06105405A (en) | Brake controller for electric motor vehicle | |
| CN107351959B (en) | Follow-up electric power-assisted scooter | |
| JP3610850B2 (en) | Hybrid vehicle | |
| CN205292303U (en) | Safety control device of electric vehicle | |
| CN204089254U (en) | A kind of electric automobile whole control device | |
| CN101722858A (en) | Safety protection device and method for electric vehicle | |
| CN206162112U (en) | Electric motor car safety control | |
| JP2006187160A (en) | Hybrid car | |
| CN203876683U (en) | Car cigarette lighter power source automatic control device based on pressure detection | |
| CN206528562U (en) | A kind of manned two wheeled electric balance car of intelligent prompt alarm | |
| JP2013248971A (en) | Power supply device in electric motor vehicle | |
| JP4134192B2 (en) | Overcharge protection device for battery working vehicle | |
| CN106168781A (en) | Safety control device of electric vehicle | |
| CN204077391U (en) | Battery-driven car lateral inclination or governor automatic dead circuit device when toppling over | |
| CN217294760U (en) | Electric two-wheel vehicle safety coefficient of riding | |
| CN205686538U (en) | A kind of control system of balance car and balance car | |
| CN202753801U (en) | Electric tricycle/motorcycle power system with range extender control function | |
| TWM477722U (en) | Intelligent vehicle power rescue apparatus | |
| TWM393104U (en) | Warming device for a battery power storage volume |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160608 Effective date of abandoning: 20171024 |
|
| AV01 | Patent right actively abandoned |