CN205263641U - Automobile -used pseudo - ECU control circuit - Google Patents
Automobile -used pseudo - ECU control circuit Download PDFInfo
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- CN205263641U CN205263641U CN201521021466.6U CN201521021466U CN205263641U CN 205263641 U CN205263641 U CN 205263641U CN 201521021466 U CN201521021466 U CN 201521021466U CN 205263641 U CN205263641 U CN 205263641U
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Abstract
The utility model discloses an automobile -used pseudo - ECU control circuit is provided with 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 letter source processing circuit, and letter source processing circuit connection has the information source of a monitoring circuit all be provided with the deception circuit on two way input end group of switching circuit and the output end group. It is showing the effect: can carry out quick circuit and switch, avoid the discernment of ECU mistake for line fault, guarantee that switching circuit and ECU can both normally work. Make the car student drive the in -process, also can not make car speed take place change by a wide margin even the mistake is stepped on the gas to the accident of learning the car in -process has effectively been reduced.
Description
Technical field
The utility model relates to a kind of automobile circuit technology, specifically a kind of automobile-used pseudo-ECU control 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, mis-accelerator pressing and causing the accident. Therefore need specially for learner-driven vehicle, in the time that student drives, force the control technology of speed limit, applicant is designed with a kind of commutation circuit, can provide pseudo-sensor signal to ECU, or provide pseudo-ECU signal to the executing agency that controls automobile speed, can realize the speed of a motor vehicle and force to control.
Existing a lot of automobile all adopts ECU Based Intelligent Control and detection line assembly Zhong Ge road sensor and actuator, and the moment of switching in commutation circuit, ECU is easy to be identified as line fault. This just need to design a kind of commutation circuit that can be avoided the identification of ECU mistake.
Utility model content
In order to overcome the problems referred to above, the utility model proposes a kind of automobile-used pseudo-ECU control circuit, the moment that can switch in commutation circuit, avoid ECU to be identified as line fault by mistake, ensure that commutation circuit and ECU can normally work.
For reaching above-mentioned effect, the technical solution of the utility model is as follows, a kind of automobile-used pseudo-ECU control circuit, its key is to comprise 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 message source process circuit, message source process circuit is connected with monitoring information source circuit, monitoring information source circuit can be monitored accelerator pedal signal, also can monitor throttle opening signal, also can monitor wheel speed sensors data, also can monitor vehicle speed data.
In the two-way input group of described commutation circuit and output group, be all provided with deception circuit.
Commutation circuit has two kinds of mounting means:
One, be arranged between vehicle-mounted driving information source and ECU, vehicle-mounted driving information source is as gas pedal, for cheating ECU.
The second road input group of described commutation circuit is connected with vehicle-mounted driving information source, and the output group of described commutation circuit connects ECU, and the output group of this ECU connects vehicle-mounted actuator.
Two, commutation circuit is arranged between ECU and actuator, and actuator is as air throttle, for cheating actuator.
The second road input group of described commutation circuit connects ECU, and this ECU is connected with vehicle-mounted driving information source, and the output group of described commutation circuit connects vehicle-mounted actuator.
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 the speed of a motor vehicle is too fast, commutation circuit disconnects former car speed of a motor vehicle control circuit, connects false signal deception ECU or actuator, and final 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 the comparator threshold voltage of setting of taking over a job first, 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 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, and the output of optocoupler amplifying circuit connects 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;
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 actuator.
When closing control end output high level, commutation circuit first via input group is connected with output group, automobile enters speed limit duty, and the vehicle-mounted driving information source of former car accesses false signal data through ECU to the circuit of actuator, and actuator is according to false signal control the max speed.
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.
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 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 phase inverter 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 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 phase inverter, 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.
Described message source process circuit is also provided with holding circuit; this holding circuit comprises many AND circuits; the multi-channel input of many AND circuits connect respectively described fork shift switch close shelves and N speed limit shelves; the base stage of output termination the 7th triode of many AND circuits; 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.
Remarkable result of the present utility model: propose a kind of automobile-used pseudo-ECU control circuit, can carry out the quick switching of gear, avoid ECU to be identified as line fault by mistake, ensure that commutation circuit and ECU can normally work. Make automobile student in driving procedure, even if mis-accelerator pressing can not make car speed occur significantly to change, thereby effectively reduced the accident in car process of learning yet.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the operation principle block diagram of embodiment 1;
Fig. 3 is the operation principle block diagram of embodiment 2;
Fig. 4 is false signal circuit and buffer wiring diagram;
Fig. 5 is transistor amplifier figure;
Fig. 6 is optocoupler amplification circuit diagram;
Fig. 7 is amplifier and comparator wiring diagram in data processing circuit;
Fig. 8 is holding circuit figure;
Fig. 9 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.
Embodiment mono-,
As shown in Figure 1, a kind of automobile-used pseudo-ECU control circuit, be provided with message source process circuit 1 and commutation circuit 2, commutation circuit 2 is arranged between sensor and ECU, described commutation circuit 2 is provided with two-way input Zu He mono-road output group, wherein first via input group is connected with message source process circuit 1, and message source process circuit 1 is connected with monitoring information source circuit 5, in the two-way input group of described commutation circuit 2 and output group, is all provided with deception circuit.
As shown in Figure 2, the second road input group of described commutation circuit 2 is connected with vehicle-mounted driving information source 3, and the output group of described commutation circuit 2 connects ECU, and the output group of this ECU connects vehicle-mounted actuator 4.
Vehicle-mounted driving information source 3 is gas pedals.
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.
As shown in Fig. 4,7, 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.
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, connect 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;
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, and the output of optocoupler amplifying circuit connects the V2-1 end of described commutation circuit 2 first via input groups.
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 5,6, described transistor amplifier is set side by side with the consistent triode of three line structures, the gear output of phase inverter U1 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;
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 phase inverter U1, 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 shown in Figure 9, 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 8; 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.
Embodiment bis-,
As shown in Figure 3, this embodiment bis-is consistent with embodiment mono-operation principle, and its main distinction is, commutation circuit is arranged between ECU and actuator, and actuator can be braking circuit, in the time that the speed of a motor vehicle detecting is too fast, initiatively simulation points decelerations of stopping, mainly still air throttle of actuator.
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.
Claims (10)
1. an automobile-used pseudo-ECU control circuit, it is characterized in that: comprise message source process circuit (1) and commutation circuit (2), described commutation circuit is provided with two-way input Zu He mono-road output group, wherein first via input group is connected with message source process circuit (1), message source process circuit (1) is connected with monitoring information source circuit (5), in the two-way input group of described commutation circuit (2) and output group, is all provided with deception circuit;
The second road input group of described commutation circuit (2) is connected with vehicle-mounted driving information source (3); Or the second road input group of described commutation circuit (2) connects ECU, and ECU is connected with vehicle-mounted driving information source (3).
2. the automobile-used pseudo-ECU control circuit of one according to claim 1, it is characterized in that: the second road input group of described commutation circuit (2) is connected with vehicle-mounted driving information source (3), the output group of described commutation circuit connects ECU, and the output group of ECU connects vehicle-mounted actuator (4).
3. the automobile-used pseudo-ECU control circuit of one according to claim 1, it is characterized in that: the second road input group of described commutation circuit (2) connects ECU, ECU is connected with vehicle-mounted driving information source (3), and the output group of described commutation circuit (2) connects vehicle-mounted actuator (4).
4. the automobile-used pseudo-ECU control circuit of one according to claim 1, is characterized in that: described deception circuit is ground capacity.
5. the automobile-used pseudo-ECU control circuit of one according to claim 1, 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).
6. the automobile-used pseudo-ECU control circuit of one according to claim 5, 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, connect 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.
7. the automobile-used pseudo-ECU control circuit of one according to claim 6, 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.
8. the automobile-used pseudo-ECU control circuit of one according to claim 7, 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 phase inverter (U1) 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 phase inverter (U1), 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).
9. the automobile-used pseudo-ECU control circuit of one according to claim 7, 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 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).
10. the automobile-used pseudo-ECU control circuit of one according to claim 9; 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021466.6U CN205263641U (en) | 2015-12-09 | 2015-12-09 | Automobile -used pseudo - ECU control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521021466.6U CN205263641U (en) | 2015-12-09 | 2015-12-09 | Automobile -used pseudo - ECU control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN205263641U true CN205263641U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521021466.6U Expired - Fee Related CN205263641U (en) | 2015-12-09 | 2015-12-09 | Automobile -used pseudo - ECU control circuit |
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| CN (1) | CN205263641U (en) |
Cited By (2)
| 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 |
| CN108263245A (en) * | 2017-01-03 | 2018-07-10 | 南京世界村汽车动力有限公司 | A kind of electric vehicle throttle sensitivity regulating system |
-
2015
- 2015-12-09 CN CN201521021466.6U patent/CN205263641U/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN108263245A (en) * | 2017-01-03 | 2018-07-10 | 南京世界村汽车动力有限公司 | A kind of electric vehicle throttle sensitivity regulating system |
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| Date | Code | Title | Description |
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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 |