CN215097273U - Car pedestrian warning integration and depend on development device - Google Patents
Car pedestrian warning integration and depend on development device Download PDFInfo
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- CN215097273U CN215097273U CN202120401964.2U CN202120401964U CN215097273U CN 215097273 U CN215097273 U CN 215097273U CN 202120401964 U CN202120401964 U CN 202120401964U CN 215097273 U CN215097273 U CN 215097273U
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Abstract
The utility model discloses a car pedestrian warns integration and depends on development device, including the circuit board, the circuit board is current car from taking the circuit board, is provided with power management module, CAN conversion module, DA module, power amplifier module and microprocessor module on the circuit board, and the last integration of microprocessor module has pedestrian's warning sound processing unit, the utility model provides a two kinds of pedestrian warning device low-cost development schemes, the control chip who takes certainly on the current car circuit board of make full use of, power management module, CAN conversion module, DA module and power amplifier module, on the basis that satisfies pedestrian's warning function, have reduced product development cost by a wide margin, have reduced pedestrian warning device's configuration price on the car.
Description
Technical Field
The utility model relates to an electric automobile pedestrian warns field of technology, specifically is a car pedestrian warns integrated and depends on development device.
Background
In the past two decades, the automobile industry in China is vigorously developed, but at the same time, serious environmental pollution problems are brought, so that new energy automobiles are greatly popularized under national policy guidance and industry support in recent years, and the new energy automobiles which are developed most rapidly at present comprise pure electric automobiles and oil-electricity hybrid electric automobiles (generally adopting low-speed electric and high-speed hybrid modes).
When the vehicle runs at high speed, the external noise of the pure electric vehicle is mainly contributed by road surface-tire noise and wind noise, the external noise of the gasoline-electric hybrid vehicle is mainly contributed by engine noise, motor noise, road surface-tire noise and wind noise, and the external noise level is basically equivalent to the external noise level of the traditional vehicle, when starting and running at low speed, the external noise of the pure electric vehicle and the fuel-electric hybrid vehicle is mainly contributed by the motor noise, is far lower than the external noise level of the traditional vehicle, even is in an excessively quiet state, so that pedestrians and other vehicles (mainly non-motor vehicles) nearby the vehicle cannot perceive the external noise, and great traffic hidden trouble exists, therefore, the new energy vehicle is required to be provided with a low-speed pedestrian warning device according to the standard in many countries, meanwhile, similar transportation tools (electric pedestrians, electric motorcycles, electric tricycles and the like) are also required to be provided with low-speed pedestrian warning devices according to standards.
The low-speed pedestrian warning device becomes the necessary configuration of new energy automobiles and similar transportation vehicles, and the independent pedestrian warning device is adopted at present and mainly comprises components such as a control switch, a control circuit board, a loudspeaker, a wire harness and a mounting bracket, so that the configuration price is high due to high development cost.
SUMMERY OF THE UTILITY MODEL
To current pedestrian warning device problem with too high costs, the utility model provides a this scheme is fallen to multiple technique solves current technical dilemma through integrated development and depends on two kinds of modes of development, reduces the configuration price by a wide margin, saves whole car development cost.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a car pedestrian warns integration and depends on development device, includes the circuit board, the circuit board is current car from taking the circuit board, is provided with power management module, CAN conversion module, DA module, power amplifier module and microprocessor module on the circuit board, the integration has pedestrian's warning sound processing unit in the microprocessor module, the microprocessor module is connected with the CAN bus through CAN conversion module, the microprocessor module is connected with the power through power management module, the output of microprocessor module is connected with the DA module, the output of DA module is connected with power amplifier module, power amplifier module's output and loudspeaker are connected.
The circuit board can be a multimedia circuit board or a power amplifier circuit board or an instrument circuit board.
The further scheme is that the microprocessor module is a pedestrian warning sound control chip which is integrated on the circuit board.
The further proposal is that the microprocessor module is an existing control chip on the circuit board.
The further scheme is that a control switch is arranged between the pedestrian warning sound control chip and the power management module.
The further scheme is that the control chip is connected with a control switch.
The further scheme is that the power supply is an automobile storage battery.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model provides two low-cost development schemes of pedestrian warning device, on the basis of satisfying pedestrian warning function, reduce the product development cost by a wide margin, reduce pedestrian warning device's configuration price on the car;
2) the utility model provides a pedestrian warns integrated control mode, is to arrange pedestrian warning control chip integration on multimedia circuit board or other circuit boards (power amplifier circuit board, instrument circuit board etc.), CAN save power management, CAN conversion, DA (have vacant passageway CAN save), power amplifier (have vacant passageway CAN save), control switch module installation is more convenient simultaneously, the pencil arranges that more simplified, the installing support is lighter, realizes low-cost development design;
3) the utility model provides a pedestrian warns and depends on control mode, implant pedestrian warning control algorithm (pedestrian warning sound processing unit) in multimedia circuit board or other circuit board (power amplifier circuit board, instrument circuit board etc.) control chip, CAN save pedestrian warning control chip, power management, CAN conversion, DA (have vacant passageway CAN save), power amplifier (have vacant passageway CAN save), control switch module installation is more convenient simultaneously, the pencil arranges more simply, the installing support is lighter, realize low-cost development design;
4) the two low-cost development schemes for warning pedestrians provided by the utility model can be applied to new energy automobiles and other transportation tools (electric pedestrians, electric motorcycles, electric tricycles and the like) similar to the new energy automobiles;
drawings
FIG. 1 is a schematic view of a prior art pedestrian warning device installation location structure;
FIG. 2 is a schematic diagram of a pedestrian warning device according to the prior art;
fig. 3 is a schematic structural view of a pedestrian warning integrated development device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second pedestrian warning attachment development device according to an embodiment of the present invention;
reference numerals: the pedestrian warning sound processing device comprises a pedestrian warning sound processing unit 201, a circuit board 202, a microprocessor module 203, a power management module 204, a CAN conversion module 205, a DA module 206, a power amplifier module 207, a loudspeaker 208, a power supply 209, a CAN bus 210 and a control switch 211.
Detailed Description
The following describes the present invention in further detail with reference to fig. 1 to 4.
In the schematic diagram of the installation position structure of the pedestrian warning device in the prior art shown in fig. 1, the low-speed pedestrian warning function of the new energy automobile is realized by configuring an independent pedestrian warning device, and is usually installed below an automobile cabin (the left side, the right side or the left side and the right side are installed at the same time, and certainly, the right side installation or the left side and the right side installation of the specified running rule of China is more favorable for playing the role of warning pedestrians), and a control switch is arranged at a driver.
At figure 2 prior art pedestrian warning device schematic structure, pedestrian warning device mainly includes control switch, pedestrian warning sound control circuit board (contains power management module, CAN conversion module, pedestrian warning sound control chip, DA module, power amplifier module), loudspeaker, parts such as pencil and installing support, the device is based on the speed of a motor vehicle that the CAN signal provided, information such as gear, driving warning sound control chip produces basic signal (mathematical function signal through the operation, sound signal has been stored, particle synthesis signal etc.), through DA module conversion and power amplifier module amplification, transmit loudspeaker (CAN adopt independent loudspeaker also original car horn of sharing), loudspeaker output pedestrian warning sound, reach the purpose of suggestion pedestrian.
As can be known by combining the comprehensive analysis of the attached drawings 1 and 2, the cost occupied by the control circuit board in the pedestrian warning device in the prior art is the highest, the control switch and the loudspeaker are mature parts, the technical cost reduction is difficult to realize, the wiring harness and the mounting bracket can realize the small-amplitude cost reduction (the wiring harness can reduce the use length and the connection according to the different reduction of the design scheme to realize the cost reduction, and the mounting bracket can reduce the cost according to the different reduction support rigidity of the support weight). If the development cost of the control circuit board is greatly reduced, the development cost of the wiring harness and the mounting bracket is slightly reduced, and the low-cost development of the pedestrian warning device is facilitated.
Example 1
Referring to fig. 3, the integrated development device for pedestrian warning of an automobile comprises a circuit board 202, wherein the circuit board 202 is a self-contained circuit board of an existing automobile, the circuit board 202 may be a multimedia circuit board, a power amplifier circuit board, an instrument circuit board or other circuit boards, the circuit board 202 is provided with a power management module 204, a CAN conversion module 205, a DA module 206, a power amplifier module 207 and a microprocessor module 203, the microprocessor module 203 is implanted with a pedestrian warning sound processing unit 201, the microprocessor module 203 is a pedestrian warning sound control chip, the microprocessor module 203 is connected with a CAN bus 210 through the CAN conversion module 205, the CAN bus 210 is used for providing information such as speed and gear of the electric automobile, the microprocessor module 203 is connected with a power supply 209 through the power management module 204, a control switch 211 is arranged between the microprocessor module 203 and the power management module 204, and the power supply 209 may be an automobile storage battery, the power management module 204 and the CAN conversion module 205 may directly adopt existing modules on a multimedia circuit board or other circuit boards; the output of the microprocessor module 203 is connected with a DA module 206, the output of the DA module 206 is connected with a power amplifier module 207, the output of the power amplifier module 207 is connected with a loudspeaker 208, wherein the DA module 206 and the power amplifier module 207 can be directly multimedia circuit boards or existing modules on other circuit boards, or can be independently installed and designed; the microprocessor module 203 generates basic signals (mathematical function signals, stored sound signals, particle synthesis signals and the like) through the operation of the implanted pedestrian warning sound processing unit 201, the basic signals are converted by the DA module 206 and amplified by the power amplifier module 207 and transmitted to the loudspeaker 208, and the loudspeaker 208 outputs pedestrian warning sounds to achieve the purpose of prompting pedestrians.
Because the pedestrian warning device mounting bracket of the prior art needs to support the control circuit board and the loudspeaker, and the mounting bracket of the embodiment only needs to support the loudspeaker 208, the design of the mounting bracket can be simplified, and the design of the control switch 211 is simplified (the pedestrian warning integrated development device is arranged at a multimedia position). Compare prior art's pedestrian warning device, the integrated development device of pedestrian warning of this embodiment CAN be on practical circuit board 202 from power management module 204, CAN conversion module 205, DA module 206 (there is vacant passageway CAN save), power amplifier module 207 (there is vacant passageway CAN save), control switch 211 installs more conveniently simultaneously, the pencil is arranged and is more simplified, the installing support is lighter, so adopt pedestrian warning integrated control mode CAN realize low-cost development design.
Example 2
Referring to fig. 4, the device for developing pedestrian warning in accordance with depression of an automobile comprises a circuit board 202, wherein the circuit board 202 is a self-contained circuit board of the existing automobile, the circuit board 202 CAN be a multimedia circuit board or a power amplifier circuit board or an instrument circuit board or other circuit boards, a power management module 204, a CAN conversion module 205, a DA module 206, a power amplifier module 207 and a microprocessor module 203 are arranged on the circuit board 202, a pedestrian warning sound processing unit 201 is implanted on the microprocessor module 203, the microprocessor module 203 is a multimedia control chip or a self-contained control chip on other circuit boards, the microprocessor module 203 is connected with a CAN bus 210 through the CAN conversion module 205, the CAN bus 210 is used for providing information such as speed and gear of the electric automobile, the microprocessor module 203 is connected with a power supply 209 through the power management module 204, and the microprocessor module 203 is connected with a control switch 211, the power supply 209 may be an automobile battery, wherein the power management module 204 and the CAN conversion module 205 may directly adopt existing modules on a multimedia circuit board or other circuit boards; the output of the microprocessor module 203 is connected with a DA module 206, the output of the DA module 206 is connected with a power amplifier module 207, the output of the power amplifier module 207 is connected with a loudspeaker 208, wherein the DA module 206 and the power amplifier module 207 can be directly multimedia circuit boards or existing modules on other circuit boards, or can be independently installed and designed; the microprocessor module 203 generates basic signals (mathematical function signals, stored sound signals, particle synthesis signals and the like) through the operation of the implanted pedestrian warning sound processing unit 201, the basic signals are converted by the DA module 206 and amplified by the power amplifier module 207 and transmitted to the loudspeaker 208, and the loudspeaker 208 outputs pedestrian warning sounds to achieve the purpose of prompting pedestrians.
The pedestrian warning attachment development device is characterized in that a pedestrian warning sound processing unit 201 is implanted into a multimedia circuit board or other circuit board (power amplifier circuit board, instrument circuit board and the like) control chip, wherein the pedestrian warning control chip is eliminated, and the design of a control switch 211 is simplified (the pedestrian warning attachment control device is arranged at a multimedia position). Compare prior art's pedestrian warning device, pedestrian warning depends on development device and CAN save pedestrian warning control chip, from power management module 204 of taking, CAN conversion module 205, DA module 206 (there is vacant passageway CAN save), power amplifier module 207 (there is vacant passageway CAN save) on the utility circuit board 202, it is more convenient that control switch 211 installs simultaneously, the pencil is arranged more simply, the installing support is lighter, so pedestrian warning depends on development device and also CAN realize low-cost development design.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a car pedestrian warns integration and depends on development device which characterized in that: including circuit board (202), circuit board (202) are current car from taking the circuit board, are provided with power management module (204), CAN conversion module (205), DA module (206), power amplifier module (207) and microprocessor module (203) on circuit board (202), the integration has pedestrian warning sound processing unit (201) on microprocessor module (203), microprocessor module (203) is connected with CAN bus (210) through CAN conversion module (205), microprocessor module (203) is connected with power (209) through power management module (204), the output of microprocessor module (203) is connected with DA module (206), the output of DA module (206) is connected with power amplifier module (207), the output and loudspeaker (208) of power amplifier module (207) are connected.
2. The automobile pedestrian warning integration and development attachment device as claimed in claim 1, wherein: the circuit board (202) can be a multimedia circuit board or a power amplifier circuit board or an instrument circuit board.
3. The automobile pedestrian warning integration and development attachment device as claimed in claim 1, wherein: the microprocessor module (203) is a pedestrian warning sound control chip which is integrated on the circuit board (202).
4. The automobile pedestrian warning integration and development attachment device as claimed in claim 1, wherein: the microprocessor module (203) is an existing control chip on the circuit board (202).
5. The automobile pedestrian warning integration and development attachment device as claimed in claim 3, wherein: a control switch (211) is arranged between the pedestrian warning sound control chip and the power management module (204).
6. The automobile pedestrian warning integration and development attachment device as claimed in claim 4, wherein: the control chip is connected with a control switch (211).
7. The automobile pedestrian warning integration and development attachment device as claimed in claim 1, wherein: the power supply (209) is an automobile storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401964.2U CN215097273U (en) | 2021-02-24 | 2021-02-24 | Car pedestrian warning integration and depend on development device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120401964.2U CN215097273U (en) | 2021-02-24 | 2021-02-24 | Car pedestrian warning integration and depend on development device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215097273U true CN215097273U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120401964.2U Active CN215097273U (en) | 2021-02-24 | 2021-02-24 | Car pedestrian warning integration and depend on development device |
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| Country | Link |
|---|---|
| CN (1) | CN215097273U (en) |
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2021
- 2021-02-24 CN CN202120401964.2U patent/CN215097273U/en active Active
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