CN215751953U - Pure electric vehicles's over-and-under type gearshift control system - Google Patents
Pure electric vehicles's over-and-under type gearshift control system Download PDFInfo
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- CN215751953U CN215751953U CN202121513704.0U CN202121513704U CN215751953U CN 215751953 U CN215751953 U CN 215751953U CN 202121513704 U CN202121513704 U CN 202121513704U CN 215751953 U CN215751953 U CN 215751953U
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- 230000001953 sensory effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 2
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- 230000005540 biological transmission Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model provides a lifting type gear shifting mechanism control system of a pure electric vehicle, which can control a gear shifting mechanism to lift when the vehicle needs to be driven, and control the gear shifting mechanism to lower after the vehicle is stopped, so that the sensory quality of the vehicle is improved. The lifting type gear shifting mechanism control system comprises a gear shifting mechanism adopting a lifting knob device, wherein the gear shifting mechanism is provided with a first input end used for connecting a B + power supply and a second input end used for connecting an IG power supply, the gear shifting mechanism is connected with a vehicle control module through a CAN bus, and the vehicle control module is respectively connected with an instrument and a driving motor control unit through the CAN bus.
Description
Technical Field
The utility model relates to the technical field of control of pure electric vehicles, in particular to a control system of a lifting type gear shifting mechanism of a pure electric vehicle.
Background
Under the large backgrounds of energy restriction, environmental pollution and the like, the nation develops new energy as an important measure for improving the environment and saving the cost, and with the continuous development of new energy technology, the market reserve of electric automobiles is continuously increased, and the electric automobiles are in an unsettled posture instead of fuel vehicles.
Compared with the traditional fuel vehicle, the pure electric vehicle has the advantages of zero emission, low noise, high economy, easy maintenance and the like. In recent years, pure electric vehicles have been developed rapidly, and major countries in the world have promoted the development of electric vehicles into national strategy and made a schedule for prohibiting the sale of fuel vehicles.
At present, a mechanical pull rod is generally adopted in a traditional fuel vehicle, and due to the fact that a pull wire is connected between a gear shifting and a clutch pedal, when a driver performs gear shifting operation, the driver needs to step on the clutch pedal to perform the gear shifting operation. The gear shifting mechanism adopted by part of electric vehicles is electronic, but the mechanism is single, protrudes on the auxiliary instrument board, is not beautiful, and cannot be freely folded and unfolded.
Disclosure of Invention
The utility model aims to provide a lifting type gear shifting mechanism control system of a pure electric vehicle, which can control a gear shifting mechanism to lift when the vehicle needs to be driven, and control the gear shifting mechanism to lower after the vehicle is stopped, so that the sensory quality of the vehicle is improved.
The lifting type gear shifting mechanism control system of the pure electric vehicle comprises a gear shifting mechanism adopting a lifting knob device, wherein the gear shifting mechanism is provided with a first input end used for being connected with a B + power supply and a second input end used for being connected with an IG power supply, the gear shifting mechanism is connected with a vehicle control module through a CAN bus, and the vehicle control module is respectively connected with an instrument and a driving motor control unit through the CAN bus.
According to the utility model, the first input end used for being connected with the B + power supply and the second input end used for being connected with the IG power supply are arranged, the IG signal of the vehicle is used as the judgment signal of the lifting knob device of the gear shifting mechanism, when the IG power is received, the lifting knob device is lifted, and when the IG power is disconnected, the lifting knob device is lowered, so that the automatic lifting function of the lifting knob device of the gear shifting mechanism is realized, and the sensory quality of the vehicle is improved.
Furthermore, the lifting type gear shifting mechanism control system further comprises a vehicle body controller, and the vehicle body controller is connected with the CAN bus. The vehicle body controller acquires a current gear signal through a CAN bus, and executes the prompting actions of reversing lamp lighting and reversing radar in the R gear.
Furthermore, the lifting type gear shifting mechanism control system further comprises a pedestrian reminding module, and the pedestrian reminding module is connected with the CAN bus. The pedestrian reminding module acquires a gear signal through the CAN bus and sounds to remind pedestrians when the vehicle runs at the D gear low speed.
Further, the control system of the lifting type gear shifting mechanism further comprises a PEPS module, and the PEPS module is connected with the CAN bus. The PEPS module acquires a gear signal through the CAN bus and executes a starting command.
Drawings
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a flow chart of the system operation of the present invention.
In which the figures are as follows: VCU, vehicle control module; MCU, drive motor control unit; PEPS, keyless entry and start system; BCM, automobile body controller.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Referring to fig. 1, the lifting type gear shifting mechanism control system of the pure electric vehicle comprises a gear shifting mechanism adopting a lifting knob device, wherein the gear shifting mechanism is provided with a first input end used for being connected with a B + power supply and a second input end used for being connected with an IG power supply, the gear shifting mechanism is connected with a vehicle control module through a CAN bus, and the vehicle control module is respectively connected with an instrument and a driving motor control unit through the CAN bus. In fig. 1, the CAN bus is indicated by a chain line since it is a data communication connection.
According to the utility model, the first input end used for being connected with the B + power supply and the second input end used for being connected with the IG power supply are arranged, the IG signal of the vehicle is used as the judgment signal of the lifting knob device of the gear shifting mechanism, when the IG power is received, the lifting knob device is lifted, and when the IG power is disconnected, the lifting knob device is lowered, so that the automatic lifting function of the lifting knob device of the gear shifting mechanism is realized, and the sensory quality of the vehicle is improved.
As a preferred embodiment, the control system of the lifting type gear shifting mechanism further comprises a vehicle body controller, and the vehicle body controller is connected with the CAN bus. The vehicle body controller acquires a current gear signal through a CAN bus, and executes the prompting actions of reversing lamp lighting and reversing radar in the R gear.
Preferably, the lifting type gear shifting mechanism control system further comprises a pedestrian reminding module, and the pedestrian reminding module is connected with the CAN bus. The pedestrian reminding module acquires a gear signal through the CAN bus and sounds to remind pedestrians when the vehicle runs at the D gear low speed.
Preferably, the control system of the lifting type gear shifting mechanism further comprises a PEPS module, and the PEPS module is connected with the CAN bus. The PEPS module acquires a gear signal through the CAN bus and executes a starting command.
The working principle of the utility model is as follows: the transmission of gear signals is carried out between the gear shifting mechanism and the VCU through the CAN network, the VCU judges the driving intention according to the signals of the gear shifting mechanism, determines that the driver is to execute N, D, R or P gear, then sends the judged gear signals to the CAN bus, and provides an instrument to display the gear signals, so that pedestrians CAN remind to send out sound when driving at D gear low speed, the MCU CAN execute the action of the driving motor, the PEPS CAN execute a starting command, and the BCM CAN execute the prompting action of reversing light lighting and a reversing radar when driving at R gear.
As shown in fig. 2, the working process of the present invention is:
firstly, when a vehicle starts to be in an OFF state, a lifting knob device of a gear shifting mechanism is in a descending state;
operating an ignition switch, and sending an IG (ignition pulse generator) signal by the PEPS to electrify an ON gear of the vehicle, namely, a first input end of the gear shifting mechanism is communicated with a B + power supply to be electrified;
thirdly, at the moment, the second input end of the gear shifting mechanism receives an IG power supply signal, the lifting knob device of the gear shifting mechanism is lifted, and a driver can operate the lifting knob device after the lifting knob device is lifted and switch gears between P, R, N, D;
and fourthly, after the vehicle is powered off, the IG electricity of the gear shifting mechanism is disconnected, and the lifting knob device of the gear shifting mechanism is lowered, so that the lifting knob device of the gear shifting mechanism cannot be operated.
The lifting knob device of the gear shifting mechanism is an existing commonly-used electronic gear shifting device, the types of the lifting mechanism of the gear shifting mechanism are various, and the principle of the lifting knob device is not repeated.
The working process of each module of the utility model is as follows:
the VCU sends P, R, N, D signals of gears to the CAN bus, and each module needing the gears acquires gear information from the CAN bus and executes related operations, wherein:
the instrument acquires a gear signal through the CAN bus and displays P, R, N, D symbols on an instrument display interface, so that a driver CAN intuitively acquire a vehicle state;
the pedestrian reminding module acquires D gear information through the CAN bus, and gives out warning sound when the vehicle speed is low to remind people and drivers behind the vehicle to take care of the vehicle;
the MCU acquires gear information through the CAN bus, sends forward rotation, reverse rotation or stop commands to the driving motor and controls the forward or backward movement of the vehicle;
the PEPS obtains gear information through the CAN bus, the vehicle CAN be started when the PEPS is controlled to be in an N gear or a P gear, and the vehicle cannot be started when other gears are controlled to be in other gears;
the BCM acquires gear information through the CAN bus, and controls the turn-on of the reversing lamp and the alarm prompt of the reversing radar when the R gear is set.
The utility model has been described in connection with the accompanying drawings, it is to be understood that the utility model is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the utility model is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides a pure electric vehicles's over-and-under type gearshift control system, its characterized in that is including the gearshift that adopts the lift knob device, gearshift is equipped with the first input that is used for connecting the B + power and is used for connecting the second input of IG power, gearshift passes through the CAN bus and is connected with vehicle control module, vehicle control module passes through the CAN bus and is connected with instrument and driving motor control unit respectively.
2. The pure electric vehicle lifting type gear shifting mechanism control system according to claim 1, further comprising a vehicle body controller, wherein the vehicle body controller is connected with a CAN bus.
3. The pure electric vehicle lifting type gear shifting mechanism control system according to claim 1, further comprising a pedestrian reminding module, wherein the pedestrian reminding module is connected with the CAN bus.
4. A pure electric vehicle lifting gear-shifting mechanism control system according to claim 1, 2 or 3, characterized in that the lifting gear-shifting mechanism control system further comprises a PEPS module, and the PEPS module is connected with a CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121513704.0U CN215751953U (en) | 2021-07-05 | 2021-07-05 | Pure electric vehicles's over-and-under type gearshift control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121513704.0U CN215751953U (en) | 2021-07-05 | 2021-07-05 | Pure electric vehicles's over-and-under type gearshift control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215751953U true CN215751953U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121513704.0U Active CN215751953U (en) | 2021-07-05 | 2021-07-05 | Pure electric vehicles's over-and-under type gearshift control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215751953U (en) |
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2021
- 2021-07-05 CN CN202121513704.0U patent/CN215751953U/en active Active
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