CN212289807U - Electronic parking central brake alarm device for automobile - Google Patents
Electronic parking central brake alarm device for automobile Download PDFInfo
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- CN212289807U CN212289807U CN202021005524.7U CN202021005524U CN212289807U CN 212289807 U CN212289807 U CN 212289807U CN 202021005524 U CN202021005524 U CN 202021005524U CN 212289807 U CN212289807 U CN 212289807U
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- parking
- electronic parking
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- gear ring
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Abstract
The utility model relates to an electronic parking central brake alarm device for an automobile, which is characterized by comprising an electronic parking control unit, a parking execution component and an alarm instrument, wherein the parking execution component and the alarm instrument are controlled by the output of the electronic parking control unit; the parking executing assembly is connected with the central brake through a parking pull wire; an initial position switch used for calibrating the release position of the parking pull wire and a gear ring sensor used for sensing the number of the rotating teeth of the gear ring are arranged between the electronic parking control unit and the parking execution assembly. The utility model provides an alarming function of electron parking effectively solves electron parking brake and increases and the inefficacy problem because of the clearance that wearing and tearing lead to.
Description
Technical Field
The utility model relates to an automobile brake warning technical field particularly, is an electron parking central braking alarm device for car.
Background
The automobile technology obtains great progress along with the development of society, and the electron manual brake also more and more is applied to all kinds of cars, and the central braking parking who generally adopts in the commercial car adopts the electronic manual brake structure of stay-supported line formula more, and along with the increase of vehicle use, central parking brake can continuous wearing and tearing lead to the braking clearance to increase, can cause parking efficiency to reduce when the clearance is too big or even become invalid, and the electron parking can not be like the warning driver that mechanical parking is showing through the stroke change of handle, has the risk that the parking became invalid and can not in time discerned.
Disclosure of Invention
The utility model aims at solving the above problem, provide an electron parking central braking alarm device for car. The electronic parking central braking alarm device can guarantee a normal parking function, and when a parking failure risk is caused by a braking gap of the parking brake, a prompt can be sent in time, so that the parking brake is maintained in time, the failure damage problem caused by excessive use of the parking brake is avoided, and the driving safety is guaranteed.
In order to solve the above problems, the utility model adopts the following technical scheme:
an electronic parking central brake alarm device for an automobile is characterized by comprising an electronic parking control unit, a parking execution component and an alarm instrument, wherein the parking execution component and the alarm instrument are controlled by the output of the electronic parking control unit;
the parking executing assembly is connected with the central brake through a parking pull wire;
an initial position switch used for calibrating the release position of the parking pull wire and a gear ring sensor used for sensing the number of the rotating teeth of the gear ring are arranged between the electronic parking control unit and the parking execution assembly.
The parking executing assembly comprises a motor gear, a lead screw and a lead screw sliding block, the motor gear is in output connection with a parking motor, the lead screw gear is in meshing transmission with the motor gear, the lead screw is in transmission connection with the lead screw, the sliding block is fixed at a certain position of the lead screw, and the sliding block is fixedly connected with a parking pull wire.
The end face of the motor gear is provided with a gear ring, the gear ring sensor is arranged on the side of the gear ring, and the gear ring sensor transmits gear ring tooth number data obtained by induction to the electronic parking control unit through a Hall effect.
And the number of the rotating teeth of the gear ring is adaptively set according to the linear motion stroke of the screw rod.
The initial position switch is triggered and controlled by the sliding block, when the sliding block drives the parking pull wire to return to the parking release position, the initial position switch is triggered, and after the electronic parking control unit receives a signal from the initial position switch, the tooth number signal of the gear ring is reset to zero, so that the counting of the gear ring is accurate every time.
The electronic parking control unit is calibrated with an alarm tooth number, and when the tooth number of the gear ring rotation sent by the gear ring sensor reaches the calibrated alarm tooth number, the electronic parking control unit controls the alarm instrument to send out warning information to prompt drivers and passengers.
The utility model discloses an electron parking central brake alarm device for car, through the rotatory number of teeth that sets up ring gear sensor response ring gear, match the design with the rotatory number of teeth of ring gear and the motion stroke of acting as go-between, when the rotatory number of teeth of ring gear reaches the standard number of teeth of predetermineeing, the ring gear sensor then sends the signal for electron parking the control unit, send alarm signal by electron parking the control unit control instrument, remind the driver to carry out central parking brake clearance adjustment, thereby reach the effect of in time eliminating the parking hidden danger. The initial position and the maximum stroke position of parking acting as go-between all can carry out the adjustment of adaptability according to different motorcycle types, consequently the utility model discloses an alarm device can set up different parking acting as go-between stroke control conditions according to the parking brake of difference, and the commonality is stronger.
Drawings
FIG. 1 is a schematic view of an installation structure of an electronic parking central brake warning device for an automobile according to a first embodiment;
FIG. 2 is a schematic structural diagram of an electronic parking central brake warning device for an automobile according to a first embodiment;
in the figure, 1, an electronic parking control unit, 2, an alarm instrument, 3, a motor gear, 4, a screw gear, 5, a screw, 6, a sliding block, 7, a parking pull wire, 8, a central brake, 9, a gear ring, 10, a gear ring sensor, 11, an initial position switch, 12 and a position switch guide plate.
Detailed Description
The technical solutions of the embodiments of the present application are clearly and completely described below with reference to the drawings of the present application, and the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments.
Example one
An electronic parking central brake alarm device for an automobile is configured on different automobile types with an electronic parking function, and based on the basic function of parking or releasing a central brake 8 by controlling a parking pull wire, the electronic parking central brake alarm device also provides an alarm function. Specifically, the electronic parking central brake alarm device mainly comprises an electronic parking control unit 1 and an alarm instrument 2 in communication connection with the electronic parking control unit, wherein the alarm instrument 2 is installed in a cab and used for providing sound and light alarm for a driver. The electronic parking central braking alarm device also comprises a motor gear 3 controlled by the output of the electronic parking control unit 1, a lead screw gear 4 in meshing transmission with the motor gear 3, a lead screw 5 in transmission fit with the lead screw gear 4, a slide block 6 fixed on a certain position of the lead screw 5 and a parking pull wire 7 connected with the slide block 6; the other end of the parking pull wire 7 is connected with a central brake 8; the end face of the motor gear 3 is provided with a gear ring 9 which rotates synchronously with the motor gear 3, and one side of the gear ring 9 is provided with a gear ring sensor 10 for sensing the number of rotating teeth of the gear ring 9; the ring gear sensor 10 is in signal connection with the electronic parking control unit 1. According to different vehicle type configurations, the stiff end of parking stay wire 7 (namely slider 6 on lead screw 5) is markd and is had an initial position and a maximum stroke position, set for the number of teeth of rotation of ring gear according to the linear motion stroke of lead screw 5, and preset an alarm teeth number in electron parking control unit 1 based on the number of teeth of rotation of ring gear, when the number of teeth of rotation of ring gear reaches preset alarm teeth number, electron parking control unit 1 then sends a set of alarm code to alarm instrument 2 through whole car CAN line, alarm instrument 2 reminds the driver through audible and visual alarm and needs to maintain parking brake. An initial position switch 11 is arranged at an initial position of the parking pull wire 7, a signal output end of the initial position switch 11 is connected with the electronic parking control unit 1, a position switch guide plate 12 is arranged at a trigger end of the initial position switch 11, the slider 6 is in press contact with the initial position switch 11 under the action of the position switch guide plate 12, at this time, the parking pull wire 7 is in a release (namely parking release) state, each time when the slider 6 is driven by the lead screw to return to the initial position, the initial position switch 11 sends a high level signal to the electronic parking control unit 1, and after the electronic parking control unit 1 receives the high level signal sent by the initial position switch 11, the tooth number signal of the gear ring is reset to zero, so that the accurate counting of the gear ring at each time is ensured.
When the electronic parking function is started, the electronic parking control unit 1 controls the motor to rotate forwards, the motor gear 3 rotates and drives the screw rod gear 4 meshed with the motor gear to rotate synchronously, the screw rod 5 drives the sliding block 6 and the parking pull wire on the screw rod gear to move to a parking position under the transmission action of the screw rod gear, the gear ring sensor 10 sends the rotating gear number of the gear ring 9 to the electronic parking control unit 1 in the parking process, the electronic parking control unit 1 CAN record the parking gear number at the moment, the parking gear number at the moment is compared with the preset alarm gear number, when the gear ring gear number sent by the gear ring sensor 10 reaches the preset alarm gear number, the electronic parking control unit sends a group of alarm codes to the alarm instrument 2 through the whole vehicle CAN line, and the alarm instrument 2 sends an alarm signal to a driver.
The calibration process of the initial position and the maximum travel position of the parking cable 7 needs to be performed during the entire wear life cycle of the central brake.
In the initial stage of the use of the vehicle, the release position of the parking pull wire controlled by the electronic parking control unit is at the initial position, and the parking position of the parking pull wire is 1/3 or 1/2 of the maximum travel position (determined according to the structural parameters of the vehicle); along with the use of a vehicle, the release position of the parking pull wire is unchanged at the initial position, the parking position of the parking pull wire can be continuously close to the maximum stroke position, when the maximum stroke position is reached, the alarm function of the electronic parking central brake is triggered, and at the moment, a vehicle maintenance worker is required to adjust a gap adjusting device of the parking brake to reach the theoretical initial requirement, so that the normal parking function is ensured.
The calibration of the preset alarm tooth number of the electronic parking control unit of the embodiment is performed according to the following logic:
1. setting a maximum clearance abrasion test point by the brake;
2. adjusting the new brake to an initial state, and recording the tooth value N0 of the signal output at the time;
3. carrying out a running wear test of an initial speed of 30km/h on the brake;
4. carrying out clearance inspection on the brake once every two driving abrasion tests;
5. checking whether the brake clearance reaches a wear test point, if so, recording the tooth value of the output signal as N1, and simultaneously adjusting the brake clearance to be in an initial state;
6. repeatedly carrying out the calibration test, recording the value of the second signal tooth reaching the wear test point as N2, and sequentially carrying out the maximum clearance Nn till the wear limit of the brake lining;
7. comparing the output signal tooth values, and selecting the minimum tooth value in N1 and N2 … … Nn as the alarm tooth number of the electronic parking brake unit;
8. an alarm tooth number is set in an electronic parking control unit.
The utility model discloses an electron parking central braking alarm device has following structural feature:
1. the parking brake can be maintained in time, and the normal parking function is ensured;
2. the problem of failure and damage caused by excessive use of the parking brake can be avoided, and the parking safety is guaranteed;
3. the method has better human-computer interaction setting;
4. the service life cycle of the brake is prolonged, and the market satisfaction is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. An electronic parking central brake alarm device for an automobile is characterized by comprising an electronic parking control unit, a parking execution component and an alarm instrument, wherein the parking execution component and the alarm instrument are controlled by the output of the electronic parking control unit;
the parking executing assembly is connected with the central brake through a parking pull wire;
an initial position switch used for calibrating the release position of the parking pull wire and a gear ring sensor used for sensing the number of the rotating teeth of the gear ring are arranged between the electronic parking control unit and the parking execution assembly.
2. An electronic parking center brake warning device for an automobile according to claim 1,
the parking executing assembly comprises a motor gear, a lead screw and a lead screw sliding block, the motor gear is in output connection with a parking motor, the lead screw gear is in meshing transmission with the motor gear, the lead screw is in transmission connection with the lead screw, the sliding block is fixed at a certain position of the lead screw, and the sliding block is fixedly connected with a parking pull wire.
3. An electronic parking center brake warning device for an automobile according to claim 2,
the end face of the motor gear is provided with a gear ring, the gear ring sensor is arranged on the side of the gear ring, and the gear ring sensor transmits gear ring tooth number data obtained by induction to the electronic parking control unit through a Hall effect.
4. An electronic parking center brake warning device for an automobile according to claim 3,
and the number of the rotating teeth of the gear ring is adaptively set according to the linear motion stroke of the screw rod.
5. An electronic parking center brake warning device for an automobile according to claim 4,
the initial position switch is triggered and controlled by the sliding block, and the electronic parking control unit resets the tooth number signal of the gear ring to zero after receiving the signal from the initial position switch.
6. An electronic parking center brake warning device for an automobile according to claim 5,
the electronic parking control unit is calibrated with an alarm tooth number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021005524.7U CN212289807U (en) | 2020-06-04 | 2020-06-04 | Electronic parking central brake alarm device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021005524.7U CN212289807U (en) | 2020-06-04 | 2020-06-04 | Electronic parking central brake alarm device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212289807U true CN212289807U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021005524.7U Active CN212289807U (en) | 2020-06-04 | 2020-06-04 | Electronic parking central brake alarm device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212289807U (en) |
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2020
- 2020-06-04 CN CN202021005524.7U patent/CN212289807U/en active Active
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Address after: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee after: Weichai New Energy Commercial Vehicle Co.,Ltd. Address before: No.99 Fushan Road, Laiyang Economic Development Zone, Yantai City, Shandong Province Patentee before: Shandong Automobile Manufacturing Co.,Ltd. |