CN205263542U - Automobile -used executor control formula speed limit circuit - Google Patents
Automobile -used executor control formula speed limit circuit Download PDFInfo
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- CN205263542U CN205263542U CN201521020846.8U CN201521020846U CN205263542U CN 205263542 U CN205263542 U CN 205263542U CN 201521020846 U CN201521020846 U CN 201521020846U CN 205263542 U CN205263542 U CN 205263542U
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Abstract
The utility model discloses an automobile -used executor control formula speed limit circuit, including on -vehicle drive information source, ECU, on -vehicle executor, the output connection ECU of on -vehicle drive information source, ECU output end group is connected with executor control circuit, and this executor control circuit's speed of a motor vehicle control end is connected on -vehicle executor, executor control circuit's monitoring end still is connected with monitoring information source circuit. Executor control circuit is still including letter source processing circuit and switching circuit, it has two way input end group and output end group of the same kind to switch circuit arrangement, and wherein first via input end group is connected with the output of letter source processing circuit, and the input of letter source processing circuit is connected with monitoring information source circuit, the second way input end group connection ECU of switching circuit, the output end group of switching circuit connects on -vehicle executor. Show the effect: the utility model discloses when the student drives, force the speed limit to the reliable control of the speed of a motor vehicle is realized at safety speed limit within range.
Description
Technical field
The utility model relates to a kind of automobile circuit technology, specifically a kind of automobile-used actuator control formula speed limit circuit.
Background technology
The vehicle speed control system of existing vehicle is generally to be decided by the aperture of TR and air throttle, and automobile ECU regulates the aperture size of engine air throttle by reading the voltage magnitude of throttle sensor. But in learner-driven vehicle, in the time of the independent Driving Instructor's car of student, because operation is unskilled, easily throttle is used as to brake, owing to there is no speed controller, causes car speed to increase suddenly, thereby cause the accident.
For avoiding student's maloperation to cause tragedy, need to design a kind of speed control circuit for learner-driven vehicle specially, this speed control circuit, in the time that student drives, can be forced speed limit. This speed control circuit, by be connected in series actuator control circuit between automobile ECU and vehicle-mounted actuator, by the rate signal of the vehicle-mounted actuator of actuator control circuit control inputs, is controlled at the speed of a motor vehicle in safe range, realizes the reliable control of the speed of a motor vehicle.
Utility model content
In order to overcome the problems referred to above, the utility model proposes a kind of automobile-used actuator control formula speed limit circuit, in the time that student drives, force speed limit, and within the scope of safety speed-limit, realize the reliable control of the speed of a motor vehicle.
For reaching above-mentioned effect, the technical solution of the utility model is as follows, a kind of automobile-used actuator control formula speed limit circuit, comprise vehicle-mounted driving information source, ECU, vehicle-mounted actuator, the output of vehicle-mounted driving information source connects ECU, its key is: described ECU output group is connected with actuator control circuit, and the speed of a motor vehicle control end of this actuator control circuit connects described vehicle-mounted actuator;
The monitoring side of described actuator control circuit is also connected with monitoring information source circuit.
Actuator control circuit is arranged between ECU and vehicle-mounted actuator, for controlling the ECU input signal of vehicle-mounted actuator.
Monitoring information source circuit is used for measuring vehicle speed data, and vehicle speed data is passed to actuator control circuit.
Described actuator control circuit also comprises message source process circuit and commutation circuit, described commutation circuit is provided with two-way input Zu He mono-road output group, wherein first via input group is connected with the output of message source process circuit, the input of message source process circuit is connected with monitoring information source circuit, the second road input group of described commutation circuit connects ECU, this ECU is connected with vehicle-mounted driving information source, and the output group of described commutation circuit connects vehicle-mounted actuator.
In the two-way input group of described commutation circuit and output group, be all provided with deception circuit, described deception circuit is ground capacity.
Described message source process circuit comprises data processing circuit, the information source input of this data processing circuit connects monitoring information source circuit, the false signal input group of data processing circuit is connected with false signal circuit, the output of data processing circuit is connected with amplifying circuit, and this amplifying circuit connects described commutation circuit.
In the time that vehicle-mounted actuator needs supplied with digital signal, the output of amplifying circuit can connect described commutation circuit again through analog-digital converter.
In the time that the speed of a motor vehicle is too fast, monitoring information source electric circuit inspection passes to message source process circuit to GES and by this signal, message source process circuit disconnects former car ECU output signal by commutation circuit, connect the pseudo-ECU signal of message source process circuit and cheat vehicle-mounted actuator, final vehicle-mounted actuator is carried out speed of a motor vehicle control according to the low speed data of prior setting, has avoided the mistake that student's mis-accelerator pressing causes to accelerate.
Described data processing circuit comprises amplifier, the input in the same way of this amplifier connects described monitoring information source circuit, reverse input end is through ground resistance earth, the positive input of output termination comparator, the negative input of comparator connects threshold voltage, the base stage of output termination the 6th triode of comparator, the grounded collector of the 6th triode, the emitter stage of the 6th triode connects power supply through pull-up resistor, and the emitter stage of the 6th triode also connects the control end of buffer;
Even in student's driving condition, as long as the speed of a motor vehicle is unhappy, threshold voltage is greater than the magnitude of voltage of positive input, and comparator is output low level still, and restriction commutation circuit can not be carried out passage switching, maintains former car circuit operation.
The output of this buffer connects described amplifying circuit, this amplifying circuit is made up of transistor amplifier and optocoupler amplifying circuit, the input of described transistor amplifier and optocoupler amplifying circuit is attempted by described buffer output, the output of transistor amplifier connects the V1-1 end of described commutation circuit first via input group, optocoupler amplifying circuit output connect the V2-1 end of described commutation circuit first via input group.
Described false signal circuit comprises fork shift switch, this fork shift switch is provided with one and cuts out shelves and N speed limit shelves, wherein close one end ground connection of grade A0, another termination phase inverter close input, this phase inverter close buffer described in output termination, the control end of commutation circuit described in the closing control termination of buffer;
One end ground connection of N speed limit shelves, the other end connects respectively a gear input of phase inverter, and phase inverter is one by one to there being N gear output, and N gear output connects respectively described buffer gear drive end.
Described fork shift switch is provided with one and cuts out shelves and three speed limit shelves;
The different output voltage values of different gear controls, output voltage values is to set value in advance. To reach the differentiation control to subsequent conditioning circuit, realize the restriction as required of the speed of a motor vehicle. But in the time closing the work of grade ground connection, the speed of a motor vehicle is no longer subject to the control of information source treatment circuit, only accepts the control of driver's gas pedal.
Described transistor amplifier is set side by side with the consistent triode of three line structures, the gear output of buffer described in the base stage difference Jie Yi road of each road triode, the grounded emitter of each triode, colelctor electrode is after the different divider resistance of resistance, be attempted by the first voltage-stablizer that end is set is upper, the V1-1 end of commutation circuit first via input group described in the output termination of this first voltage-stablizer;
Described optocoupler amplifying circuit is set side by side with the consistent optocoupler of three line structures, the input of each road optocoupler connects respectively the gear output of described buffer, the output of each road optocoupler is after the different divider resistance of resistance, be attempted by the second voltage-stablizer that end is set is upper, the V2-1 end of commutation circuit first via input group described in the output termination of this second voltage-stablizer.
The output of described comparator also connects the base stage of the 5th triode, the grounded emitter of the 5th triode, colelctor electrode connects the closing control end of commutation circuit, commutation circuit is provided with closes triode, this base stage of closing triode is described closing control end, close the grounded emitter of triode, after the coil of colelctor electrode string relay, connect power supply, the normal open switch group of relay connects described commutation circuit first via input group and output group, and the normally closed switch group of relay connects described commutation circuit the second road input group and output group;
The second road input group meets output group V1-0, the V2-0 of described vehicle-mounted driving information source.
When closing control end output low level, commutation circuit the second road input group is connected with output group, and automobile keeps former car duty, and the vehicle-mounted driving information source of former car is to ECU, and ECU keeps former car conducting state to vehicle-mounted actuator.
When closing control end output high level, commutation circuit first via input group is connected with output group, automobile enters speed limit duty, the vehicle-mounted driving information source of former car accesses pseudo-vehicle speed data signal through speed of a motor vehicle control circuit to ECU circuit, and vehicle-mounted actuator is according to pseudo-GES control the max speed.
Described message source process circuit is also provided with holding circuit; this holding circuit comprises multichannel AND circuit; the multi-channel input of multichannel AND circuit connect respectively described fork shift switch close shelves and N speed limit shelves; the base stage of output termination the 7th triode of multichannel AND circuit; the grounded emitter of the 7th triode, colelctor electrode connects the closing control end of described commutation circuit.
In the time of the loose contact of fork shift switch, message source process circuit walks off from one's job automatically, ensures that automobile is only subject to gas pedal control.
Described monitoring information source circuit or be throttle observation circuit, or be vehicle speed sensor circuit, or be wheel speed sensors circuit, or be engine load sensor circuit;
Described vehicle-mounted driving information source is throttle;
Described vehicle-mounted actuator is air throttle.
Monitoring information source circuit can be monitored accelerator pedal signal, also can monitor vehicle speed data, also can monitor wheel speed sensors data, also can monitor throttle opening signal.
Remarkable result of the present utility model: propose a kind of automobile-used actuator control formula speed limit circuit, in the time that student drives, force speed limit, and realize the reliable control of the speed of a motor vehicle within the scope of safety speed-limit.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is operation principle block diagram of the present utility model;
Fig. 3 is false signal circuit and buffer wiring diagram;
Fig. 4 is transistor amplifier figure;
Fig. 5 is optocoupler amplification circuit diagram;
Fig. 6 is amplifier and comparator wiring diagram in data processing circuit;
Fig. 7 is holding circuit figure;
Fig. 8 is commutation circuit figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model and operation principle are described in further detail.
As shown in Figure 1, a kind of automobile-used actuator control formula speed limit circuit, comprise vehicle-mounted driving information source 3, ECU, vehicle-mounted actuator 4, the output of described vehicle-mounted driving information source 3 connects ECU, described ECU output group is connected with actuator control circuit 100, and the speed of a motor vehicle control end of this actuator control circuit 100 connects described vehicle-mounted actuator 4;
The monitoring side of described actuator control circuit 100 is also connected with monitoring information source circuit 5.
Actuator control circuit 100 is arranged between ECU and vehicle-mounted actuator 4.
As shown in Figure 2, described actuator control circuit 100 also comprises message source process circuit 1 and commutation circuit 2, described commutation circuit 2 is provided with two-way input Zu He mono-road output group, wherein first via input group is connected with the output of message source process circuit 1, the input of message source process circuit 1 is connected with monitoring information source circuit 5, the second road input group of described commutation circuit 2 connects ECU, and ECU is connected with vehicle-mounted driving information source 3, and the output group of described commutation circuit 2 connects vehicle-mounted actuator 4.
In the two-way input group of described commutation circuit 2 and output group, be all provided with deception circuit, described deception circuit is ground capacity.
Ground capacity is electrochemical capacitor, can make the each road of commutation circuit 2 input/output terminal group keep of short duration level, while avoiding ECU to detect data, occurs loss of data, sends wrong fault message.
Described message source process circuit 1 comprises data processing circuit 11, the information source input of this data processing circuit 11 connects monitoring information source circuit 5, the false signal input group of data processing circuit 11 is connected with false signal circuit, the output of data processing circuit 11 is connected with amplifying circuit, and this amplifying circuit connects described commutation circuit 2.
As shown in Fig. 6, Fig. 3, described data processing circuit 11 comprises amplifier U3B, the input in the same way of this amplifier U3B connects described monitoring information source circuit 5, reverse input end is through ground resistance earth, the positive input of output termination comparator U3A, the negative input of comparator U3A connects threshold voltage, the base stage of output termination the 6th triode Q6 of comparator U3A, the grounded collector of the 6th triode Q6, the emitter stage of the 6th triode Q6 connects power supply through pull-up resistor R33, and the emitter stage of the 6th triode Q6 also meets the control end 2OE of buffer U2;
As shown in Fig. 3, Fig. 4, Fig. 5, the output of this buffer U2 connects described amplifying circuit, this amplifying circuit is made up of transistor amplifier and optocoupler amplifying circuit, the input of described transistor amplifier and optocoupler amplifying circuit is attempted by described buffer U2 output, the output of transistor amplifier connects the V1-1 end of described commutation circuit 2 first via input groups, optocoupler amplifying circuit output connect the V2-1 end of described commutation circuit 2 first via input groups.
As shown in Figure 3, described false signal circuit comprises fork shift switch, this fork shift switch is provided with one and cuts out shelves and N speed limit shelves, wherein close one end ground connection of grade A0, another termination phase inverter U1 closes input, the closing control end of closing output D0 and connect described commutation circuit 2 of this phase inverter U1;
One end ground connection of N speed limit shelves, the other end connects respectively a gear input of phase inverter U1, and phase inverter U1 is one by one to there being N gear output, and N gear output connects respectively described buffer U2 gear drive end.
Described fork shift switch is provided with one and cuts out shelves and three speed limit shelves;
As shown in Figure 3, Figure 4, described transistor amplifier is set side by side with the consistent triode of three line structures, the gear output of buffer U2 described in the base stage difference Jie Yi road of each road triode, the grounded emitter of each triode, colelctor electrode is after the different divider resistance of resistance, be attempted by the first voltage-stablizer U4 that end is set is upper, the V1-1 end of commutation circuit 2 first via input groups described in the output termination of this first voltage-stablizer U4;
As shown in Fig. 3, Fig. 5, described optocoupler amplifying circuit is set side by side with the consistent optocoupler of three line structures, the input of each road optocoupler connects respectively the gear output of described buffer U2, the output of each road optocoupler is after the different divider resistance of resistance, be attempted by the second voltage-stablizer U5 that end is set is upper, the V2-1 end of commutation circuit 2 first via input groups described in the output termination of this second voltage-stablizer U5.
As Fig. 6, shown in Fig. 8, the output of described comparator U3A also connects the base stage of the 5th triode Q5, the grounded emitter of the 5th triode Q5, colelctor electrode connects the closing control end of commutation circuit 2, commutation circuit 2 is provided with closes triode Q4, this base stage of closing triode Q4 is described closing control end, close the grounded emitter of triode Q4, after the coil of colelctor electrode string relay, connect power supply, the normal open switch group of relay connects described commutation circuit 2 first via input groups and output group, the normally closed switch group of relay connects described commutation circuit 2 second road input group and output groups,
The second road input group meets output group V1-0, the V2-0 of described vehicle-mounted driving information source 3.
As shown in Figure 7; described message source process circuit 1 is also provided with holding circuit; this holding circuit comprises multichannel AND circuit U9; the multi-channel input of multichannel AND circuit U9 connect respectively described fork shift switch close shelves and N speed limit shelves; the base stage of output termination the 7th triode Q7 of multichannel AND circuit U9; the grounded emitter of the 7th triode Q7, colelctor electrode connects the closing control end of described commutation circuit 2.
Claims (10)
1. an automobile-used actuator control formula speed limit circuit, comprise vehicle-mounted driving information source (3), ECU, vehicle-mounted actuator (4), the output of described vehicle-mounted driving information source (3) connects ECU, it is characterized in that: described ECU output group is connected with actuator control circuit (100), the speed of a motor vehicle control end of this actuator control circuit (100) connects described vehicle-mounted actuator (4);
The monitoring side of described actuator control circuit (100) is also connected with monitoring information source circuit (5).
2. the automobile-used actuator control of one according to claim 1 formula speed limit circuit, it is characterized in that: described actuator control circuit (100) also comprises message source process circuit (1) and commutation circuit (2), described commutation circuit (2) is provided with two-way input Zu He mono-road output group, wherein first via input group is connected with the output of message source process circuit (1), the input of message source process circuit (1) is connected with monitoring information source circuit (5), the second road input group of described commutation circuit (2) connects ECU, this ECU is connected with vehicle-mounted driving information source (3), the output group of described commutation circuit (2) connects vehicle-mounted actuator (4).
3. the automobile-used actuator control of one according to claim 2 formula speed limit circuit, is characterized in that: in the two-way input group of described commutation circuit (2) and output group, be all provided with deception circuit, described deception circuit is ground capacity.
4. the automobile-used actuator control of one according to claim 2 formula speed limit circuit, it is characterized in that: described message source process circuit (1) comprises data processing circuit (11), the information source input of this data processing circuit (11) connects monitoring information source circuit (5), the false signal input group of data processing circuit (11) is connected with false signal circuit, the output of data processing circuit (11) is connected with amplifying circuit, and this amplifying circuit connects described commutation circuit (2).
5. the automobile-used actuator control of one according to claim 4 formula speed limit circuit, it is characterized in that: described data processing circuit (11) comprises amplifier (U3B), the input in the same way of this amplifier (U3B) connects described monitoring information source circuit (5), reverse input end is through ground resistance earth, the positive input of output termination comparator (U3A), the negative input of comparator (U3A) connects threshold voltage, the base stage of output termination the 6th triode (Q6) of comparator (U3A), the grounded collector of the 6th triode (Q6), the emitter stage of the 6th triode (Q6) connects power supply through pull-up resistor (R33), the emitter stage of the 6th triode (Q6) also connects the control end (2OE) of buffer (U2),
The output of this buffer (U2) connects described amplifying circuit, this amplifying circuit is made up of transistor amplifier and optocoupler amplifying circuit, the input of described transistor amplifier and optocoupler amplifying circuit is attempted by described buffer (U2) output, the output of transistor amplifier connects the V1-1 end of described commutation circuit (2) first via input group, and the output of optocoupler amplifying circuit connects the V2-1 end of described commutation circuit (2) first via input group.
6. the automobile-used actuator control of one according to claim 5 formula speed limit circuit, it is characterized in that: described false signal circuit comprises fork shift switch, this fork shift switch is provided with one and cuts out shelves and N speed limit shelves, wherein close one end ground connection of grade A0, another termination phase inverter (U1) close input, this phase inverter (U1) close output termination described in buffer (U2), the closing control end (D0) of buffer (U2) connects the control end of described commutation circuit (2);
One end ground connection of N speed limit shelves, the other end connects respectively a gear input of phase inverter (U1), phase inverter (U1) is one by one to there being N gear output, and N gear output connects respectively described buffer (U2) gear drive end.
7. the automobile-used actuator control of one according to claim 6 formula speed limit circuit, is characterized in that: described fork shift switch is provided with one and cuts out shelves and three speed limit shelves;
Described transistor amplifier is set side by side with the consistent triode of three line structures, the gear output of buffer (U2) described in the base stage difference Jie Yi road of each road triode, the grounded emitter of each triode, colelctor electrode is after the different divider resistance of resistance, be attempted by the first voltage-stablizer (U4) that end is set is upper, the V1-1 end of commutation circuit (2) first via input group described in the output termination of this first voltage-stablizer (U4);
Described optocoupler amplifying circuit is set side by side with the consistent optocoupler of three line structures, the input of each road optocoupler connects respectively the gear output of described buffer (U2), the output of each road optocoupler is after the different divider resistance of resistance, be attempted by the second voltage-stablizer (U5) that end is set is upper, the V2-1 end of commutation circuit (2) first via input group described in the output termination of this second voltage-stablizer (U5).
8. the automobile-used actuator control of one according to claim 7 formula speed limit circuit, it is characterized in that: the output of described comparator (U3A) also connects the base stage of the 5th triode (Q5), the grounded emitter of the 5th triode (Q5), colelctor electrode connects the closing control end of commutation circuit (2), commutation circuit (2) is provided with closes triode (Q4), this base stage of closing triode (Q4) is described closing control end, close the grounded emitter of triode (Q4), after the coil of colelctor electrode string relay, connect power supply, the normal open switch group of relay connects described commutation circuit (2) first via input group and output group, the normally closed switch group of relay connects described commutation circuit (2) second road input group and output groups,
The second road input group meets output group V1-0, the V2-0 of described vehicle-mounted driving information source (3).
9. the automobile-used actuator control of one according to claim 8 formula speed limit circuit; it is characterized in that: described message source process circuit (1) is also provided with holding circuit; this holding circuit comprises multichannel AND circuit (U9); the multi-channel input of multichannel AND circuit (U9) connect respectively described fork shift switch close shelves and N speed limit shelves; the base stage of output termination the 7th triode (Q7) of multichannel AND circuit (U9); the grounded emitter of the 7th triode (Q7), colelctor electrode connects the closing control end of described commutation circuit (2).
10. the automobile-used actuator control of one according to claim 1 formula speed limit circuit, it is characterized in that: described monitoring information source circuit (5) or for throttle observation circuit, or be vehicle speed sensor circuit, or be wheel speed sensors circuit, or be engine load sensor circuit;
Described vehicle-mounted driving information source (3) is throttle;
Described vehicle-mounted actuator (4) is air throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020846.8U CN205263542U (en) | 2015-12-09 | 2015-12-09 | Automobile -used executor control formula speed limit circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521020846.8U CN205263542U (en) | 2015-12-09 | 2015-12-09 | Automobile -used executor control formula speed limit circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205263542U true CN205263542U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521020846.8U Expired - Fee Related CN205263542U (en) | 2015-12-09 | 2015-12-09 | Automobile -used executor control formula speed limit circuit |
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| CN (1) | CN205263542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459823A (en) * | 2015-12-09 | 2016-04-06 | 重庆昊泽汽车配件有限公司 | Instructional vehicle speed limiting system |
-
2015
- 2015-12-09 CN CN201521020846.8U patent/CN205263542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459823A (en) * | 2015-12-09 | 2016-04-06 | 重庆昊泽汽车配件有限公司 | Instructional vehicle speed limiting system |
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| 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: 20160525 Termination date: 20191209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |