CN112096223A - Passenger car door safety region detection and active control system, method and circuit - Google Patents
Passenger car door safety region detection and active control system, method and circuit Download PDFInfo
- Publication number
- CN112096223A CN112096223A CN202011064514.5A CN202011064514A CN112096223A CN 112096223 A CN112096223 A CN 112096223A CN 202011064514 A CN202011064514 A CN 202011064514A CN 112096223 A CN112096223 A CN 112096223A
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- China
- Prior art keywords
- pedal
- door
- passenger
- state
- disabled person
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
Abstract
The invention relates to the technical field of vehicle active safety, and discloses a passenger car door safety region detection and active control system which comprises ultrasonic radars, a controller, a DCDC (direct current), an instrument, a car door of a vehicle and a pedal for disabled people, wherein the number of the ultrasonic radars is 2, the ultrasonic radars are respectively used for detecting a passenger door region and a pedal region for disabled people, the instrument is used for controlling the car door and the pedal for disabled people and displaying the current working state, and the DCDC is used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply. According to the invention, the safety information of the passenger door area and the disabled person pedal area is obtained by utilizing the ultrasonic radar and the controller thereof for detecting in advance, and the automobile door and the disabled person pedal are controlled through the instrument.
Description
Technical Field
The invention relates to the technical field of vehicle active safety, in particular to a passenger car door safety region detection and active control system, method and circuit.
Background
The prior 'bus priority' becomes a strategic choice for solving road congestion and air pollution in China, the safety of passengers becomes a focus of attention in the face of more and more public bus passenger groups, and in numerous hotspots, the safety of getting-on and getting-off of the passengers and the safety of pedal operation for configuring disabled pedal vehicles become key points of development.
The current passenger door anti-pinch system is a passive system mostly, namely a pressure sensor is configured on a vehicle door, when a passenger is pinched by the vehicle door, the pressure sensor can generate a signal to open the vehicle door, and the situation that the passenger is hurt more is avoided. Accordingly, one skilled in the art provides a passenger door safety zone detection and active control system, method and circuit to solve the above problems.
Disclosure of Invention
The present invention is directed to a system, method and circuit for detecting a security area of a door of a passenger car and actively controlling the security area of the door, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a passenger car door safety region detection and active control system circuit comprises ultrasonic radars, a controller, DCDCDCs, instruments, a car door of a car and a pedal of a disabled person, wherein the number of the ultrasonic radars is 2, the ultrasonic radars are respectively used for detecting the passenger door region and the pedal region of the disabled person, the instruments are used for controlling the car door and the pedal of the disabled person and displaying the current working state, the DCDCDCs are used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply, and the controller is used for receiving and processing signals received by the ultrasonic radars.
As a still further scheme of the invention: the controller is communicated with the instrument through the CAN, and the instrument is electrically connected with a vehicle door of the vehicle and a pedal of the disabled person respectively.
As a still further scheme of the invention: the sending signals of the controller are a requirement for a vehicle door closing prohibition instruction, a requirement for vehicle door closing prohibition instruction alarm, a requirement for a pedal action prohibition instruction of the disabled, a requirement for pedal action prohibition alarm of the disabled and a working state of safety region detection.
As a still further scheme of the invention: the receiving signals of the controller are the current state of the vehicle door, a vehicle door closing request, the current state of a pedal of the disabled person and a pedal work request of the disabled person.
A passenger car door safety area detection and active control system circuit comprises the following detection and control methods:
a: judging whether the vehicle door is in an OPEN state, if so, entering a detection state, and if the vehicle door is in a CLOSED state, entering no detection state;
b: judging whether the control request of the vehicle door is CLOSED, if so, judging whether the state of the current passenger door zone is SAFE, if so, allowing the passenger door to be CLOSED, and if NOT _ SAFE, NOT allowing the passenger door to be CLOSED;
c: if the vehicle door is OPEN and the control command of the pedal of the disabled person is active, corresponding control is performed according to the state of the current pedal working area of the disabled person, if the state of the pedal working area of the disabled person is NOT _ SAFE, the pedal of the disabled person is NOT allowed to perform further ACTION, and if the state of the pedal working area of the disabled person is SAFE, corresponding control ACTION can be performed.
A circuit of a passenger car door safety region detection and active control system comprises a controller, a car door and a pedal for disabled persons of a car, 2 ultrasonic radars respectively used for detecting the passenger door region and the pedal region for disabled persons, an instrument used for displaying the current working state and controlling the car door and the pedal for disabled persons, and a DCDC converter used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply; the input end of the DCDC converter is connected with the vehicle-mounted battery, and the output end of the DCDC converter is connected with the power supply input end of the ultrasonic radar; the ultrasonic radar communication port is connected with the instrument communication port through a CAN bus.
As a still further scheme of the invention: the state output end of the vehicle door and the pedal of the disabled person is connected with the KL15 end of the ultrasonic radar ECU.
As a still further scheme of the invention: the distance between the outermost side of the ultrasonic radar and the reference line of the vehicle body is as follows: OO2 is < 30mm in length, and the passenger door area is detected in the following ranges: IAHBC, the detection range of the safe area of the disabled person's pedal is: o2DFG, wherein the corresponding dimensional parameters are: HB-Amm, BE-Bmm, BC-cm, DF-Dmm, GF-Emm, EG-Fmm, IJ-Gmm.
As a still further scheme of the invention: the conversion range of the DCDC is 24V-12V.
As a still further scheme of the invention: the ultrasonic radar communication port is connected with the meter communication port through a CANH high-bit data line and a CANL low-bit data line.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the safety information of the passenger door area and the disabled person pedal area is obtained by utilizing the ultrasonic radar and the controller thereof for detecting in advance, and the automobile door and the disabled person pedal are controlled through the instrument.
Drawings
FIG. 1 is a circuit block diagram of a passenger car door safety zone detection and active control system;
FIG. 2 is a schematic diagram of an installation structure of an ultrasonic radar in a passenger car door safety area detection and active control system circuit;
fig. 3 is a flow chart of a passenger door safety zone detection and active control system circuit.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a passenger car door safety region detection and active control system circuit includes an ultrasonic radar, a controller, a DCDC, 2 instruments, and a car door and a pedal for disabled person of a vehicle, where the ultrasonic radars are respectively used to detect a passenger door region and a pedal for disabled person region, the instruments are used to control the car door and the pedal for disabled person and display a current working state, the DCDC is used to convert a high-voltage dc power supply on the passenger car into a low-voltage dc power supply, and the controller is used to receive and process a signal received by the ultrasonic radar.
Preferably: the controller communicates with the instrument through the CAN, and the instrument is respectively electrically connected with the door of the vehicle and the pedal of the disabled.
Preferably: the sending signals of the controller are a vehicle door closing prohibition instruction requirement, a vehicle door closing prohibition instruction alarm requirement, a disabled person pedal prohibition action instruction requirement, a disabled person pedal prohibition action alarm requirement and a safe region detection working state.
Preferably: the receiving signals of the controller are the current state of the vehicle door, a vehicle door closing request, the current state of the pedal of the disabled person and a pedal work request of the disabled person.
A passenger car door safety area detection and active control system circuit comprises the following detection and control methods:
a: judging whether the vehicle door is in an OPEN state, if so, entering a detection state, and if the vehicle door is in a CLOSED state, entering no detection state;
b: judging whether the control request of the vehicle door is CLOSED, if so, judging whether the state of the current passenger door zone is SAFE, if so, allowing the passenger door to be CLOSED, and if NOT _ SAFE, NOT allowing the passenger door to be CLOSED;
c: if the vehicle door is OPEN and the control command of the pedal of the disabled person is active, corresponding control is performed according to the state of the current pedal working area of the disabled person, if the state of the pedal working area of the disabled person is NOT _ SAFE, the pedal of the disabled person is NOT allowed to perform further ACTION, and if the state of the pedal working area of the disabled person is SAFE, corresponding control ACTION can be performed.
A circuit of a passenger car door safety region detection and active control system comprises a controller, a car door and a pedal for disabled persons of a car, 2 ultrasonic radars respectively used for detecting the passenger door region and the pedal region for disabled persons, an instrument used for displaying the current working state and controlling the car door and the pedal for disabled persons, and a DCDC converter used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply; the input end of the DCDC converter is connected with the vehicle-mounted battery, and the output end of the DCDC converter is connected with the power supply input end of the ultrasonic radar; the ultrasonic radar communication port is connected with the instrument communication port through the CAN bus.
Preferably: the state output ends of the vehicle door and the pedal of the disabled person are connected with the KL15 end of the ultrasonic radar ECU.
Preferably: the distance between the outermost side of the ultrasonic radar and the reference line of the vehicle body is as follows: OO2 is < 30mm in length, and the passenger door area is detected in the following ranges: IAHBC, the detection range of the safe area of the disabled person's pedal is: o2DFG, wherein the corresponding dimensional parameters are: HB-Amm, BE-Bmm, BC-cm, DF-Dmm, GF-Emm, EG-Fmm, IJ-Gmm.
Preferably: the conversion range of DCDC is 24V-12V.
Preferably: the ultrasonic radar communication port is connected with the meter communication port through a CANH high-bit data line and a CANL low-bit data line.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A passenger car door safety region detection and active control system is characterized by comprising ultrasonic radars, a controller, a DCDC, an instrument, a car door of a car and a pedal of a disabled person, wherein the number of the ultrasonic radars is 2, the ultrasonic radars are respectively used for detecting the passenger door region and the pedal region of the disabled person, the instrument is used for controlling the car door and the pedal of the disabled person and displaying the current working state, the DCDC is used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply, and the controller is used for receiving and processing signals received by the ultrasonic radars.
2. The system as claimed in claim 1, wherein the controller communicates with the instrument through CAN, and the instrument is electrically connected to the door and the pedal of the disabled person.
3. The system as claimed in claim 1, wherein the signals sent by the controller are a door closing prohibition command requirement, a door closing prohibition command alarm requirement, a pedal disabled action command requirement, a pedal disabled action prohibition alarm requirement, and a safety zone detection operating state.
4. A passenger car door safety area detection and active control system as claimed in claim 1, wherein the received signals of the controller are the current state of the door, a door closing request, the current state of the pedal for disabled person and a pedal operation request for disabled person.
5. A passenger car door safety area detection and active control system is characterized in that the detection and control method comprises the following steps:
a: judging whether the vehicle door is in an OPEN state, if so, entering a detection state, and if the vehicle door is in a CLOSED state, entering no detection state;
b: judging whether the control request of the vehicle door is CLOSED, if so, judging whether the state of the current passenger door zone is SAFE, if so, allowing the passenger door to be CLOSED, and if NOT _ SAFE, NOT allowing the passenger door to be CLOSED;
c: if the vehicle door is OPEN and the control command of the pedal of the disabled person is active, corresponding control is performed according to the state of the current pedal working area of the disabled person, if the state of the pedal working area of the disabled person is NOT _ SAFE, the pedal of the disabled person is NOT allowed to perform further ACTION, and if the state of the pedal working area of the disabled person is SAFE, corresponding control ACTION can be performed.
6. A passenger car door safety area detection and active control system circuit is characterized by comprising a controller, a car door and a pedal for disabled persons of a car, 2 ultrasonic radars respectively used for detecting the passenger door area and the pedal area for disabled persons, an instrument used for displaying the current working state and controlling the car door and the pedal for disabled persons, and a DCDC converter used for converting a high-voltage direct-current power supply on the passenger car into a low-voltage direct-current power supply; the input end of the DCDC converter is connected with the vehicle-mounted battery, and the output end of the DCDC converter is connected with the power supply input end of the ultrasonic radar; the ultrasonic radar communication port is connected with the instrument communication port through a CAN bus.
7. The passenger door safety area detection and active control system circuit according to claim 6, wherein the door and disabled person pedal state output terminal of the vehicle is connected to KL15 terminal of the ultrasonic radar ECU.
8. The passenger door safety area detection and active control system circuit according to claim 6, wherein the distance from the outermost side of the ultrasonic radar to the body datum line is as follows: OO2 is < 30mm in length, and the passenger door area is detected in the following ranges: IAHBC, the detection range of the safe area of the disabled person's pedal is: o2DFG, wherein the corresponding dimensional parameters are: HB-Amm, BE-Bmm, BC-cm, DF-Dmm, GF-Emm, EG-Fmm, IJ-Gmm.
9. A passenger door safety zone detection and active control system circuit as claimed in claim 6, wherein said DCDC conversion range is 24V-12V.
10. A passenger car door safety area detection and active control system circuit as claimed in claim 6, wherein said ultrasonic radar communication port is connected to the meter communication port via CANH high data line and CANL low data line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064514.5A CN112096223A (en) | 2020-09-30 | 2020-09-30 | Passenger car door safety region detection and active control system, method and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064514.5A CN112096223A (en) | 2020-09-30 | 2020-09-30 | Passenger car door safety region detection and active control system, method and circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096223A true CN112096223A (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011064514.5A Pending CN112096223A (en) | 2020-09-30 | 2020-09-30 | Passenger car door safety region detection and active control system, method and circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN112096223A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500963A (en) * | 2021-05-24 | 2021-10-15 | 南京康尼机电股份有限公司 | Safety alarm system for no-standing area in vehicle |
| CN115107656A (en) * | 2022-08-06 | 2022-09-27 | 安徽威斯姆电子科技有限公司 | Bus electric pedal control method |
-
2020
- 2020-09-30 CN CN202011064514.5A patent/CN112096223A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500963A (en) * | 2021-05-24 | 2021-10-15 | 南京康尼机电股份有限公司 | Safety alarm system for no-standing area in vehicle |
| CN115107656A (en) * | 2022-08-06 | 2022-09-27 | 安徽威斯姆电子科技有限公司 | Bus electric pedal control method |
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