CN110901522A - Brake display device and method and vehicle - Google Patents
Brake display device and method and vehicle Download PDFInfo
- Publication number
- CN110901522A CN110901522A CN201911317416.5A CN201911317416A CN110901522A CN 110901522 A CN110901522 A CN 110901522A CN 201911317416 A CN201911317416 A CN 201911317416A CN 110901522 A CN110901522 A CN 110901522A
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- lamp
- acceleration sensor
- display
- lamp beads
- beads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
Abstract
The invention provides a brake display device, a brake display method and a vehicle, belonging to the technical field of vehicles, wherein the device comprises: the acceleration sensor is used for detecting the acceleration of the vehicle and outputting a corresponding electric signal; the display is connected with the acceleration sensor and comprises a plurality of lamp beads; the display is used for lighting part of the lamp beads in the plurality of lamp beads when the electric signal output by the acceleration sensor meets a first preset condition; when the electric signal output by the acceleration sensor meets a second preset condition, a plurality of lamp beads are lightened; when the electric signal output by the acceleration sensor meets a third preset condition, the first lamp bead group and the second lamp bead group are alternately lightened, the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads, and the second lamp bead group is composed of the other part of the plurality of lamp beads. The invention can clearly indicate the current braking degree, thereby reducing the misjudgment of the driver of the rear vehicle and avoiding the occurrence of traffic accidents.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a brake display device, a brake display method and a vehicle.
Background
The high-order brake lamp is one of the common configurations of the passenger cars sold in the market at present, and plays a role in warning the vehicles behind to keep the distance between the vehicles and preventing rear-end accidents. The existing high-order brake lamp only has a lighting state, namely when a driver steps on a brake pedal and the vehicle decelerates, the high-order brake lamp is lighted, and when the driver does not step on the brake pedal, the high-order brake lamp is turned off. However, in the actual driving process of the vehicle, the front vehicle is emergently braked, the high-level brake lamp is lightened, the rear vehicle is mistakenly judged to be in a common braking behavior, and the emergency braking is not carried out immediately, so that the rear-end collision accident of the vehicle is caused.
Disclosure of Invention
In view of the above, the invention provides a brake display device, a brake display method and a vehicle, which are used for solving the problem that a driver of a rear vehicle is prone to misjudge a brake state due to only one display state of a conventional high-mount brake lamp, so that a traffic accident is caused.
In order to solve the above technical problem, the present invention provides a brake display device, including:
the acceleration sensor is used for detecting the acceleration of the vehicle and outputting a corresponding electric signal;
the display is connected with the acceleration sensor and comprises a plurality of lamp beads;
the display is used for lightening part of the lamp beads in the plurality of lamp beads when the electric signal output by the acceleration sensor meets a first preset condition; when the electric signal output by the acceleration sensor meets a second preset condition, lightening the plurality of lamp beads; and when the electric signal output by the acceleration sensor meets a third preset condition, alternately lighting a first lamp bead group and a second lamp bead group, wherein the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads, and the second lamp bead group is composed of the other part of the plurality of lamp beads.
Optionally, the braking display device further includes:
the braking display control module is respectively connected with the acceleration sensor and the display, receives the electric signal output by the acceleration sensor, converts the electric signal output by the acceleration sensor into a display control signal and sends the display control signal to the display;
and the display is used for lightening at least part of the lamp beads in the plurality of lamp beads according to the display control signal.
Optionally, the braking display device further includes:
and the brake display switch is linked with the brake pedal, is connected with the brake display control module and is used for controlling the brake display control module to be opened and closed.
Optionally, the display further comprises a circuit board and a lamp holder, the lamp beads are arranged on the circuit board, and the circuit board is arranged on the lamp holder.
Optionally, the plurality of lamp beads are arranged in parallel;
when the electric signal output by the acceleration sensor meets a first preset condition, the lighted part of the lamp beads are positioned in the middle;
and part of the lamp beads forming the first lamp bead group are positioned at the left position, and part of the lamp beads forming the second lamp bead group are positioned at the right position.
Optionally, the plurality of lamp beads are arranged in two rows, and when the electrical signal output by the acceleration sensor meets a first preset condition, the part of the lighted lamp beads is one of the rows of the lamp beads.
Optionally, the plurality of lamp beads are arranged in two rows, the first lamp bead group is composed of one of the lamp beads, and the second lamp bead group is composed of the other lamp bead.
Optionally, the lamp bead is a light emitting diode.
The invention also provides a vehicle comprising any one of the brake display devices.
The invention also provides a brake display method, which comprises the following steps:
receiving an electric signal output by an acceleration sensor, wherein the acceleration sensor is used for detecting the acceleration of a vehicle;
when the electric signal output by the acceleration sensor meets a first preset condition, lightening part of the lamp beads in the plurality of lamp beads;
when the electric signal output by the acceleration sensor meets a second preset condition, lightening the plurality of lamp beads;
and when the electric signal output by the acceleration sensor meets a third preset condition, alternately lighting a first lamp bead group and a second lamp bead group, wherein the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads, and the second lamp bead group is composed of the other part of the plurality of lamp beads.
The technical scheme of the invention has the following beneficial effects:
in the embodiment of the invention, the display can present different display states according to different electric signals output by the acceleration sensor, and the acceleration of the vehicle can reflect the braking degree, so that a driver of a rear vehicle can definitely judge the braking degree (also called the braking and decelerating degree) of the vehicle according to the display state of the display, further can carry out corresponding braking operation according to the judged braking degree, and particularly can avoid traffic accidents such as rear-end collision and the like when the front vehicle is emergently braked.
Drawings
FIG. 1 is a schematic structural diagram of a brake display device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another braking display device in an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a display according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of a display for displaying a slow braking state of a vehicle according to an embodiment of the present invention;
FIG. 5 is a schematic illustration of a display for indicating a significant braking condition of a vehicle in accordance with an embodiment of the present invention;
FIG. 6 is an alternate display diagram of a display in an emergency braking state according to an embodiment of the present invention;
FIG. 7 is a schematic view illustrating a working process of a brake display device according to an embodiment of the present invention;
FIG. 8 is a schematic view of a brake display device mounted on a vehicle according to an embodiment of the present invention;
fig. 9 is a flowchart illustrating a brake display method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a braking display device according to an embodiment of the present invention, where the braking display device includes:
an acceleration sensor 1 for detecting acceleration of a vehicle and outputting a corresponding electric signal;
the display 2 is connected with the acceleration sensor 1, and the display 2 comprises a plurality of lamp beads 21;
the display 2 is used for lighting part of the lamp beads 21 in the plurality of lamp beads 21 when the electric signal output by the acceleration sensor 1 meets a first preset condition; when the electric signal output by the acceleration sensor 1 meets a second preset condition, the plurality of lamp beads 21 are lightened; when the electric signal output by the acceleration sensor 1 meets a third preset condition, a first lamp bead group and a second lamp bead group are alternately lighted, and the switching frequency is greater than a preset value, wherein the first lamp bead group is composed of one part of the plurality of lamp beads 21, and the second lamp bead group is composed of the other part of the plurality of lamp beads 21.
The display 2 may be a high mounted stop lamp.
In the embodiment of the invention, the display 2 can present different display states according to different electric signals output by the acceleration sensor 1, and the acceleration of the vehicle can reflect the braking degree, so that a driver of a rear vehicle can definitely judge the braking degree (also called the braking and decelerating degree) of the vehicle according to the display state of the display 2, and further can perform corresponding braking operation according to the judged braking degree, and particularly can avoid traffic accidents such as rear-end collision and the like when the front vehicle is emergently braked.
The brake display device described above is exemplified below.
Optionally, referring to fig. 2, the braking display device further includes:
the braking display control module 3 is respectively connected with the acceleration sensor 1 and the display 2, receives the electric signals output by the acceleration sensor 1, converts the electric signals output by the acceleration sensor 1 into display control signals and sends the display control signals to the display 2;
the display 2 lights at least part of the lamp beads 21 of the plurality of lamp beads 21 according to the display control signal.
The braking display control module 3 may be composed of a comparator, a trigger, a crystal oscillator and other digital circuit components.
Optionally, referring to fig. 2, the braking display device further includes:
and the brake display switch 4 is linked with the brake pedal, is connected with the brake display control module 3, and is used for controlling the brake display control module 3 to be opened and closed.
The brake display switch 4 is interlocked with the brake pedal, that is, the brake display switch 4 is turned on when the driver steps on the brake pedal.
In addition, referring to fig. 2, the acceleration sensor 1, the display 2, the braking display control module 3 and the braking display switch 4 are connected by a signal wire harness 5, that is, the braking display device is formed by connecting the acceleration sensor 1, the display 2, the braking display control module 3 and the braking display switch 4 by the signal wire harness 5.
Referring to fig. 3, the display 2 further includes a circuit board 23 and a lamp holder 22, the plurality of lamp beads 21 are disposed on the circuit board 23, and the circuit board 23 is disposed on the lamp holder 22. The number of the lamp beads 21 can be 20.
In an optional embodiment, the plurality of beads 21 are arranged in parallel;
when the electric signal output by the acceleration sensor 1 meets a first preset condition, the lighted part of the lamp beads 21 are positioned in the middle;
and part of the lamp beads 21 forming the first lamp bead group are positioned at the left position, and part of the lamp beads 21 forming the second lamp bead group are positioned at the right position.
The electric signal output by the acceleration sensor 1 meets a first preset condition, and represents that the vehicle is in a slow braking state. Specifically, the acceleration a of the vehicle satisfies-1 m/s2<and when a is less than or equal to 0, the vehicle is considered to be in a slow braking state. When the electric signal output by the acceleration sensor 1 meets a second preset condition, the vehicle is in an obvious braking state. Specifically, the acceleration a of the vehicle satisfies-5 m/s2<a≤-1m/s2The vehicle is considered to be in an apparent braking state. When the electric signal output by the acceleration sensor 1 meets a third preset condition, the vehicle is in an emergency braking state. Specifically, the acceleration a of the vehicle satisfies-5 m/s2And when the brake is less than or equal to a, the vehicle is considered to be in an emergency braking state.
For example, referring to fig. 4, in the case that 20 lamp beads 21 are arranged in parallel, if the electric signal output by the acceleration sensor 1 meets a first preset condition, that is, if the vehicle is in a slow braking state, the middle 10 lamp beads 21 are turned on.
Referring to fig. 5, in the case that 20 lamp beads 21 are arranged in parallel, if the electrical signal output by the acceleration sensor 1 satisfies a second preset condition, that is, if the vehicle is in an obvious braking state, all 20 lamp beads 21 are turned on.
Referring to fig. 6, under the condition that 20 lamp beads 21 are arranged in parallel, if the electrical signal output by the acceleration sensor 1 meets a third preset condition, that is, if the vehicle is in an emergency braking state, the left 10 lamp beads 21 and the right 10 lamp beads 21 are alternately turned on 3 times per second.
In summary, the brake display device provided in the embodiment of the present invention can make the high-order brake lamp flash dynamically at high frequency when the vehicle is braked suddenly; when the vehicle is obviously braked and decelerated, all lamp beads 21 of the high-order brake lamp are lightened; when the vehicle is slowly braked and decelerated, the lamp bead 21 of the high-order stop lamp is half lighted.
Referring to fig. 7, the following illustrates the working process of the brake display device: when the ignition switch is switched to the ON/START state, namely the ignition switch of the vehicle is in the ON/START state, a driver steps ON a brake pedal, a brake display switch is turned ON, a brake display control module 3 is started, the brake display control module 3 reads an electric signal output by the acceleration sensor 1 and judges whether the vehicle acceleration a meets-5 m/s or not2A is less than or equal to a, if yes, the brake display control module 3 controls the high-level brake lamp to display the state III, and if not, whether the vehicle acceleration a meets-5 m/s or not is judged2<a≤-1m/s2If yes, the brake display control module 3 controls the high-level brake lamp to display the state II, and if not, whether the vehicle acceleration a meets-1 m/s or not is judged2<a is less than or equal to 0, if yes, the brake display control module 3 controls the high-order brake lamp to display the state I, and if not, the acceleration sensor 1 is read repeatedly. The high-mount stop lamp display state III refers to high-mount stop lamp high-frequency dynamic flickering, and the high-mount stop lamp displays 20 lamp beads 21 which are arranged in parallelThe state III may be that the left 10 lamp beads 21 and the right 10 lamp beads 21 are alternately lit up 3 times per second; the high-mount stop lamp displays the state II, namely all lamp beads 21 of the high-mount stop lamp are lightened; the high-mount stop lamp display state I means that some of the lamp beads 21 of the high-mount stop lamp are all turned on, for example, half of the lamp beads 21 are turned on.
In another optional embodiment, the plurality of lamp beads 21 are arranged in two rows, and when the electrical signal output by the acceleration sensor 1 meets a first preset condition, the lighted part of the lamp beads 21 is one of the rows of the lamp beads 21.
Optionally, the plurality of lamp beads 21 are arranged in two rows, the first lamp bead group is composed of one row of lamp beads 21, and the second lamp bead group is composed of the other row of lamp beads 21.
Optionally, the lamp bead 21 is a Light Emitting Diode (LED).
Another embodiment of the present invention provides a vehicle including any one of the brake display devices described above.
Referring to fig. 8, fig. 8 is a schematic view illustrating an installation position of a brake display device on a vehicle according to an embodiment of the present invention, and fig. 8 illustrates an installation position of various components in the brake display device on the vehicle.
Referring to fig. 9, another embodiment of the present invention provides a braking display method, including:
step 91: receiving an electric signal output by an acceleration sensor, wherein the acceleration sensor is used for detecting the acceleration of a vehicle;
and step 92: when the electric signal output by the acceleration sensor meets a first preset condition, lightening part of lamp beads in a plurality of lamp beads of a display;
step 93: when the electric signal output by the acceleration sensor meets a second preset condition, lightening a plurality of lamp beads of the display;
step 94: and when the electric signal output by the acceleration sensor meets a third preset condition, alternately lighting a first lamp bead group and a second lamp bead group, wherein the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads of the display, and the second lamp bead group is composed of the other part of the plurality of lamp beads.
The brake display method provided by the embodiment of the invention can be applied to any brake display device, and the same technical effect is realized.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A brake display device, comprising:
the acceleration sensor is used for detecting the acceleration of the vehicle and outputting a corresponding electric signal;
the display is connected with the acceleration sensor and comprises a plurality of lamp beads;
the display is used for lightening part of the lamp beads in the plurality of lamp beads when the electric signal output by the acceleration sensor meets a first preset condition; when the electric signal output by the acceleration sensor meets a second preset condition, lightening the plurality of lamp beads; and when the electric signal output by the acceleration sensor meets a third preset condition, alternately lighting a first lamp bead group and a second lamp bead group, wherein the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads, and the second lamp bead group is composed of the other part of the plurality of lamp beads.
2. The brake display device of claim 1, further comprising:
the braking display control module is respectively connected with the acceleration sensor and the display, receives the electric signal output by the acceleration sensor, converts the electric signal output by the acceleration sensor into a display control signal and sends the display control signal to the display;
and the display is used for lightening at least part of the lamp beads in the plurality of lamp beads according to the display control signal.
3. The brake display device of claim 2, further comprising:
and the brake display switch is linked with the brake pedal, is connected with the brake display control module and is used for controlling the brake display control module to be opened and closed.
4. The braking display device of claim 1, wherein the display further comprises a circuit board and a lamp holder, the plurality of lamp beads are disposed on the circuit board, and the circuit board is disposed on the lamp holder.
5. The braking display device according to claim 1, wherein the plurality of lamp beads are arranged in parallel;
when the electric signal output by the acceleration sensor meets a first preset condition, the lighted part of the lamp beads are positioned in the middle;
and part of the lamp beads forming the first lamp bead group are positioned at the left position, and part of the lamp beads forming the second lamp bead group are positioned at the right position.
6. The braking display device according to claim 1, wherein the plurality of beads are arranged in two rows, and the part of beads that are lit when the electrical signal output by the acceleration sensor satisfies a first preset condition is one of the rows.
7. The braking display device of claim 1, wherein the plurality of beads are arranged in two rows, the first bead group comprises one row of beads, and the second bead group comprises the other row of beads.
8. The braking display device of claim 1, wherein the lamp beads are light emitting diodes.
9. A vehicle characterized by comprising a brake display device according to any one of claims 1 to 8.
10. A brake display method, comprising:
receiving an electric signal output by an acceleration sensor, wherein the acceleration sensor is used for detecting the acceleration of a vehicle;
when the electric signal output by the acceleration sensor meets a first preset condition, lightening part of lamp beads in a plurality of lamp beads of a display;
when the electric signal output by the acceleration sensor meets a second preset condition, lightening a plurality of lamp beads of the display;
and when the electric signal output by the acceleration sensor meets a third preset condition, alternately lighting a first lamp bead group and a second lamp bead group, wherein the switching frequency is greater than a preset value, the first lamp bead group is composed of one part of the plurality of lamp beads of the display, and the second lamp bead group is composed of the other part of the plurality of lamp beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317416.5A CN110901522A (en) | 2019-12-19 | 2019-12-19 | Brake display device and method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317416.5A CN110901522A (en) | 2019-12-19 | 2019-12-19 | Brake display device and method and vehicle |
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| CN110901522A true CN110901522A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911317416.5A Pending CN110901522A (en) | 2019-12-19 | 2019-12-19 | Brake display device and method and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103952A (en) * | 2021-04-12 | 2021-07-13 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Vehicle lamp control method and device, electronic equipment and storage medium |
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