CN203623319U - Electric automobile vibration regulation control system - Google Patents
Electric automobile vibration regulation control system Download PDFInfo
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- CN203623319U CN203623319U CN201320773250.XU CN201320773250U CN203623319U CN 203623319 U CN203623319 U CN 203623319U CN 201320773250 U CN201320773250 U CN 201320773250U CN 203623319 U CN203623319 U CN 203623319U
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Abstract
The utility model provides an electric automobile vibration regulation control system, which comprises a vibration signal collecting unit, a signal comparison unit, a motor driving unit, a first control unit and a second control unit, wherein the vibration signal collecting unit is arranged on a suspension system of an electric automobile and is used for obtaining vibration signals of the electric automobile in the running process, the signal comparison unit is electrically connected with the output end of the signal collecting unit and is used for receiving the vibration signals, comparing the received signals with reference signals and outputting high level or low level comparison signals according to the comparison results, the motor driving unit is used for driving a motor of the electric automobile to work, the input end of the first control unit is electrically connected with the signal comparison unit, the output end of the first control unit is electrically connected with the motor driving unit, the input ends of the second control unit are electrically connected with the out ends of the signal collecting unit and the signal comparison unit, and the output end of the second control unit is electrically connected with the motor driving unit. The control system provided by the utility model has the advantages that the accurate response can be made in time according to vibration conditions, so the electric automobile can run at the speed suitable for pavement conditions, and the driving and riding comfort is improved.
Description
Technical field
The utility model relates to a kind of automotive control system, relates in particular to a kind of electronlmobil vibrations and adjusts control system.
Background technology
Electronlmobil is take vehicle power as power, drives Vehicle Driving Cycle with motor; As a kind of new-energy automobile, because it is little with respect to traditional fuel-engined vehicle on the impact of environment, and the energy has reproducibility, and therefore the prospect of electronlmobil is extensively had an optimistic view of, and all obtains good development at home and abroad.
Electronlmobil is compared to orthodox car, and the control of its speed of a motor vehicle generally realizes by the rotating speed that changes motor, but existing electric vehicle controller can not carry out regulation speed according to actual conditions completely, especially adjust the speed of a motor vehicle according to the road surface of different situations, such as in the situation that road surface situation is more severe, the vibrations aggravation of vehicle, have a strong impact on the traveling comfort of driving, and in order to prevent because vibrations impact and in case safety misadventure vehicle itself, carry out regulation speed by artificial mode often, but due to the hysteresis that artificially mode is reacted, in the time that starting, vibrations can not react in time, cause impact (although suspension has shock absorption device and now shake on car, but impact still exists, What is more, suspension is caused to damage), and due to the difference of road surface situation, driver can not make counter-measure very accurately, even can cause driver's anxiety and maloperation, thereby the safety misadventure of causing.
Therefore, need to propose a kind of system that can adjust according to electronlmobil the speed of a motor vehicle in the shock conditions on road surface, can make in time accurate response according to shock conditions, so that electronlmobil travels with the speed that is suitable for condition of road surface, improve the traveling comfort of driving; And can reduce because vibrations impact vehicle, and avoid, to psychology such as driver generate a panic, preventing safety misadventure.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electronlmobil vibrations and adjusts control system, can make in time accurate response according to shock conditions, so that electronlmobil travels with the speed that is suitable for condition of road surface, improves the traveling comfort of driving; And can reduce because vibrations impact vehicle, and avoid, to psychology such as driver generate a panic, preventing safety misadventure.
Control system is adjusted in a kind of electronlmobil vibrations that the utility model provides, and comprising:
The suspension that is arranged at electronlmobil for obtain battery-driven car driving process vibration signal vibration signal collecting unit, be electrically connected with signal gathering unit mouth for receive vibration signal and with reference signal relatively and according to the signal comparing unit of comparative result output high level or low level comparison signal, for driving electric-motor drive unit, the first control unit and second control unit of machine operation of electronlmobil; Described the first control unit input end is electrically connected with signal comparing unit, and mouth is electrically connected with electric-motor drive unit; The input end of described the second control unit is electrically connected with the mouth of signal gathering unit and signal comparing unit, and mouth is electrically connected with electric-motor drive unit;
Wherein, the first control unit moves under the comparison signal of signal comparing unit output high level; The second control unit is all actions under signal comparing unit output high level and low level comparison signal, and the second control unit is later than the first control unit action in signal comparing unit output high level time delay.
Further, described control system also comprises the first compensating unit and the second compensating unit;
Described the first compensating unit is used for gathering the running information of battery-driven car, and to the second control unit output;
Described the second compensating unit is used for gathering motor working current and exports to the second control unit;
Described the first compensating unit and the second compensating unit are worked in the time that comparison signal is high level simultaneously, in the time that comparison signal is low level, and only the first compensating unit work.
Further, described control system also comprises the break-make unit for controlling break-make between the first control unit and signal comparing unit.
Further, described vibration signal collecting unit comprises the displacement pickup and the first amplifying circuit that are arranged at bumper in suspension, the mouth of described displacement pickup is electrically connected with the first input amplifier, and the first amplifying circuit is electrically connected with the input end of signal comparing unit and the second control unit.
Further, described the first compensating unit comprises speed sensor, tachogen, the second amplifying circuit and A/D change-over circuit, the mouth of described speed sensor and tachogen is all electrically connected with the input end of the second amplifying circuit, the mouth of the second amplifying circuit is electrically connected with A/D change-over circuit, and the mouth of A/D change-over circuit is electrically connected with the input end of the second control unit.
Further, described the second compensating unit is current detection circuit.
Further, described break-make unit comprises micro-control unit and switch, the input end of described micro-control unit is electrically connected with the mouth of signal comparing unit, described switch is arranged between signal comparing unit and the first control unit, carrys out the break-make between control signal comparing unit and the first control unit for the control command that receives the output of micro-control unit.
Further, described switch is aerotron or field effect transistor.
Further, described signal comparing unit is curtage comparator circuit.
The beneficial effects of the utility model: control system of the present utility model, can make in time accurate response according to shock conditions, so that electronlmobil travels with the speed that is suitable for condition of road surface, improve the traveling comfort of driving; And can reduce because vibrations impact vehicle, and avoid, to psychology such as driver generate a panic, preventing safety misadventure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is specific embodiment of the utility model schematic diagram.
The specific embodiment
Fig. 1 principle schematic of the present utility model, Fig. 2 is specific embodiment of the utility model schematic diagram, as shown in the figure: control system is adjusted in a kind of electronlmobil vibrations that the utility model provides, comprise: the suspension that is arranged at electronlmobil is for obtaining the vibration signal collecting unit of vibration signal of battery-driven car driving process, be electrically connected with signal gathering unit mouth for receive vibration signal and with reference signal relatively and according to the signal comparing unit of comparative result output high level or low level comparison signal, be used for the electric-motor drive unit of the machine operation that drives electronlmobil, the first control unit and the second control unit, described the first control unit input end is electrically connected with signal comparing unit, and mouth is electrically connected with electric-motor drive unit, the input end of described the second control unit is electrically connected with the mouth of signal gathering unit and signal comparing unit, and mouth is electrically connected with electric-motor drive unit, wherein, the first control unit moves under the comparison signal of signal comparing unit output high level, the second control unit is all actions under signal comparing unit output high level and low level comparison signal, and the second control unit is later than the first control unit action in signal comparing unit output high level time delay, control system of the present utility model, can make accurate response in time according to shock conditions, so that electronlmobil travels with the speed that is suitable for condition of road surface, improves the traveling comfort of driving, and can reduce because vibrations impact vehicle, and avoid, to psychology such as driver generate a panic, preventing safety misadventure.
In the present embodiment, described control system also comprises the first compensating unit and the second compensating unit;
Described the first compensating unit is used for gathering the running information of battery-driven car, and to the second control unit output;
Described the second compensating unit is used for gathering motor working current and exports to the second control unit.
Described the first compensating unit and the second compensating unit are worked in the time that comparison signal is high level simultaneously, in the time that comparison signal is low level, and only the first compensating unit work; That is to say: shake when violent at electronlmobil, the first compensating unit and the second compensating unit are worked simultaneously, when there being vibrations but when violent, have the first compensating unit work, can improve the rate of reaction of native system, Reaction time shorten; Described the first compensating unit comprises speed sensor, tachogen, the second amplifying circuit and A/D change-over circuit, the mouth of described speed sensor and tachogen is all electrically connected with the input end of the second amplifying circuit, the mouth of the second amplifying circuit is electrically connected with A/D change-over circuit, and the mouth of A/D change-over circuit is electrically connected with the input end of the second control unit; Described the second compensating unit is current detection circuit, because the vibration signal of the first amplifying circuit output is in the second control unit, need to convert the required digital signal of the second control unit work to, therefore, A/D change-over circuit makes the signal of the first compensating unit output without changing through the second control unit again, alleviate the workload of the second control unit, improve running velocity.
In the present embodiment, described break-make unit comprises micro-control unit and switch, the input end of described micro-control unit is electrically connected with the mouth of signal comparing unit, described switch is arranged between signal comparing unit and the first control unit, carry out the break-make between control signal comparing unit and the first control unit for the control command that receives the output of micro-control unit, described switch is aerotron or field effect transistor;
The present embodiment is take aerotron as example, described aerotron Q1 or field effect transistor, and the base stage of aerotron Q1 is electrically connected with micro-control unit, and collecting electrode is electrically connected with the mouth of signal comparing unit, and emitter is electrically connected with the input end of the first control unit;
In the time of signal comparing unit output high level, output control command in micro-control unit makes aerotron Q1 conducting, and in the time of signal comparing unit output low level, micro-control unit makes aerotron Q1 cut-off, and the first control unit is not worked; Described micro-control unit, the first control unit and the second control unit all can adopt existing micro controller system.
In the present embodiment, described vibration signal collecting unit comprises the displacement pickup and the first amplifying circuit that are arranged at bumper in suspension, the mouth of described displacement pickup is electrically connected with the first input amplifier, and the first amplifying circuit is electrically connected with the input end of signal comparing unit and the second control unit.
In the present embodiment, described signal comparing unit is curtage comparator circuit, the comparator circuit that described signal comparing unit adopts amplifier to form, and described reference signal is according to the curtage signal of different vehicle and load condition setting; In the time of vibration signal collecting unit output current signal, reference signal is current signal, and in the time of vibration signal collecting unit output voltage signal, reference signal is voltage signal.
Principle of work of the present utility model:
Vibration signal is the shock-absorbing stroke that displacement pickup gathers bumper, and the shock-absorbing stroke detecting when displacement pickup is large, and output voltage is higher, otherwise, lower.
In the time that the reference signal of vibration signal and setting relatively makes signal comparing unit output high level (now vibrations are violent):
Break-make cell conduction, first the first control unit moves and exports control command control electric-motor drive unit and make action in advance, make motor speed reduce the speed of a motor vehicle, and the outputting power that guarantees motor make electronlmobil normally pulsation-free travel, because the reaction time of the first control unit is very fast, can make electronlmobil in the time experiencing strenuous vibration, reduce the speed of a motor vehicle quickly and keep the stationarity and the traveling comfort that travel, but, now the rotating speed of motor is not best, therefore, by the second control unit according to high level signal, vibration signal and collection compensating signal, by the second control unit according to the current speed of a motor vehicle, the shock-absorbing stroke situation of the electric current of motor and motor speed and bumper is carried out matching operation (its algorithm is based on Fourier algorithm), output control command makes electric-motor drive unit compensating movement, revise the rotating speed of motor, make motor speed reach best motoring condition, avoid the rotating speed of motor higher than optimum speed on the one hand, the smooth-going traveling comfort that assurance is travelled, avoid on the other hand the rotating speed of motor too many lower than optimum speed, save energy consumption, guarantee the flying power of electronlmobil,
In the time of signal comparing unit output low level (now electronlmobil vibrations are inviolent), micro-control unit makes aerotron Q1 cut-off according to the low level signal of output, the first control unit is not worked, mate calculating by the second control unit according to the rotating speed of motor and vehicle speed condition and vibration signal, revise the rotating speed of motor, make motor speed reach best motoring condition, and do not work as the current detection circuit of the second compensating unit, reduce the service contamination of the second control unit, improve rate of reaction, therefore, in the time that vibrations are inviolent or while slightly vibrations, only need just can reach the driving of electronlmobil by the adjustment of the second control unit steady.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. a control system is adjusted in electronlmobil vibrations, it is characterized in that: comprising: the suspension that is arranged at electronlmobil for obtain battery-driven car driving process vibration signal vibration signal collecting unit, be electrically connected with signal gathering unit mouth for receive vibration signal and with reference signal relatively and according to comparative result export the signal comparing unit of high level or low level comparison signal, for driving electric-motor drive unit, the first control unit and second control unit of machine operation of electronlmobil; Described the first control unit input end is electrically connected with signal comparing unit, and mouth is electrically connected with electric-motor drive unit; The input end of described the second control unit is electrically connected with the mouth of signal gathering unit and signal comparing unit, and mouth is electrically connected with electric-motor drive unit.
2. control system is adjusted in electronlmobil vibrations according to claim 1, it is characterized in that: described control system also comprises the first compensating unit and the second compensating unit;
Described the first compensating unit is used for gathering the running information of battery-driven car, and to the second control unit output;
Described the second compensating unit is used for gathering motor working current and exports to the second control unit.
3. control system is adjusted in electronlmobil vibrations according to claim 2, it is characterized in that: described control system also comprises the break-make unit for controlling break-make between the first control unit and signal comparing unit.
4. control system is adjusted in electronlmobil vibrations according to claim 3, it is characterized in that: described vibration signal collecting unit comprises the displacement pickup and the first amplifying circuit that are arranged at bumper in suspension, the mouth of described displacement pickup is electrically connected with the first input amplifier, and the first amplifying circuit is electrically connected with the input end of signal comparing unit and the second control unit.
5. control system is adjusted in electronlmobil vibrations according to claim 4, it is characterized in that: described the first compensating unit comprises speed sensor, tachogen, the second amplifying circuit and A/D change-over circuit, the mouth of described speed sensor and tachogen is all electrically connected with the input end of the second amplifying circuit, the mouth of the second amplifying circuit is electrically connected with A/D change-over circuit, and the mouth of A/D change-over circuit is electrically connected with the input end of the second control unit.
6. control system is adjusted in electronlmobil vibrations according to claim 5, it is characterized in that: described the second compensating unit is current detection circuit.
7. control system is adjusted in electronlmobil vibrations according to claim 6, it is characterized in that: described break-make unit comprises micro-control unit and switch, the input end of described micro-control unit is electrically connected with the mouth of signal comparing unit, described switch is arranged between signal comparing unit and the first control unit, carrys out the break-make between control signal comparing unit and the first control unit for the control command that receives the output of micro-control unit.
8. control system is adjusted in electronlmobil vibrations according to claim 7, it is characterized in that: described switch is aerotron or field effect transistor.
9. control system is adjusted in electronlmobil vibrations according to claim 8, it is characterized in that: described signal comparing unit is curtage comparator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773250.XU CN203623319U (en) | 2013-11-29 | 2013-11-29 | Electric automobile vibration regulation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320773250.XU CN203623319U (en) | 2013-11-29 | 2013-11-29 | Electric automobile vibration regulation control system |
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| Publication Number | Publication Date |
|---|---|
| CN203623319U true CN203623319U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320773250.XU Expired - Fee Related CN203623319U (en) | 2013-11-29 | 2013-11-29 | Electric automobile vibration regulation control system |
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| CN (1) | CN203623319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113867235A (en) * | 2021-11-08 | 2021-12-31 | 内蒙古一机集团宏远电器股份有限公司 | Acquisition device based on TCPIP agreement armored vehicle simulation training |
-
2013
- 2013-11-29 CN CN201320773250.XU patent/CN203623319U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113867235A (en) * | 2021-11-08 | 2021-12-31 | 内蒙古一机集团宏远电器股份有限公司 | Acquisition device based on TCPIP agreement armored vehicle simulation training |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20191129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |