CN107364438B - Automobile brake pedal signal switching device - Google Patents
Automobile brake pedal signal switching device Download PDFInfo
- Publication number
- CN107364438B CN107364438B CN201710701926.7A CN201710701926A CN107364438B CN 107364438 B CN107364438 B CN 107364438B CN 201710701926 A CN201710701926 A CN 201710701926A CN 107364438 B CN107364438 B CN 107364438B
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- movable shaft
- circuit
- pin
- hall effect
- effect sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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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
- B60Q1/441—Electric switches operable by the driver's pedals
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Elements And Transmission Devices (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses an automobile brake pedal signal switching device, which comprises a movable shaft, a fixed seat and a circuit mounting box arranged on the fixed seat, wherein the movable shaft is axially provided with a first through hole penetrating through two end surfaces of the movable shaft, a pin slot is arranged in the first through hole, and the outer wall of the movable shaft is provided with magnetic steel; the fixed seat is provided with a second through hole penetrating through two end surfaces of the fixed seat, and the movable shaft penetrates through the second through hole; the circuit mounting box is internally provided with a signal processing circuit with a linear Hall effect sensor, the circuit mounting box is provided with a five-core socket, and the five-core socket is connected with the signal processing circuit in the box through a wire; the movable shaft is sleeved with a torsion spring, one supporting leg of the torsion spring is fixed with the fixed seat, and the other supporting leg is fixed with the movable shaft. The device detects the change of the magnetic field intensity by utilizing the linear Hall effect sensor through the relative rotation of the movable shaft and the fixed seat, the Hall voltage can control the on-off of the brake lamp through the switch circuit, and the voltage related to the action degree of the brake pedal is output through the amplifying circuit.
Description
Technical Field
The invention relates to an automobile brake pedal signal switching device, which is suitable for detecting the action of an automobile brake pedal and controlling a brake lamp, and belongs to the field of automobile electrical control.
Background
In the electric control of an automobile, detection of brake pedal operation and control of a brake lamp occupy important positions. The brake pedal signal switch is used for detecting whether the brake pedal is stepped on, and if the brake pedal is detected to be stepped on, the brake lamp is controlled to be lightened, and the following vehicles are warned of paying attention to driving safety; the automatic gear vehicle can be started only after the brake pedal is detected to be stepped down; the cruising vehicle is brought out of the cruising state after it detects that the brake pedal is depressed. At present, most of vehicle brake pedal signal switches are mechanical switches, the mechanical brake switches are usually arranged below a brake pedal, when the brake pedal is pressed down, moving contacts in the brake switch enable two binding posts to be connected, a brake lamp is on, and after the brake pedal is released, a brake lamp circuit is disconnected. The mechanical brake switch is easy to generate faults in the use process, influences the daily vehicle and endangers traffic safety. In addition, with the development of vehicle control systems, the brake pedal switch is required to further provide a brake degree signal, which is beneficial for the control system to judge the current driving state and control the engine and the transmission to respond to the intention of a driver, while the existing brake switch only provides a brake action signal and cannot provide a brake action intensity signal.
Disclosure of Invention
The invention aims to provide an automobile brake pedal signal switch device which can detect the action of a brake pedal, provide a control interface for turning on and off a brake lamp, detect the action degree of the brake pedal and provide a brake intensity signal interface.
The specific technical scheme of the invention is as follows: the signal switch device of the automobile brake pedal comprises a movable shaft, a fixed seat and a circuit mounting box arranged on the fixed seat, wherein the movable shaft is axially provided with a first through hole penetrating through two end surfaces of the movable shaft, a pin groove matched with a positioning pin on a rotating shaft of the automobile brake pedal is arranged in the first through hole, and the outer wall of the movable shaft is provided with magnetic steel; the fixed seat is provided with a second through hole penetrating through two end surfaces of the fixed seat, the inner diameter of the second through hole is matched with the outer diameter of the movable shaft, and the movable shaft penetrates through the second through hole and can rotate in the second through hole under the action of external force; the circuit mounting box is internally provided with a signal processing circuit with a linear Hall effect sensor, the circuit mounting box is provided with a five-core socket, and the five-core socket is connected with the signal processing circuit in the box through a wire; the movable shaft is sleeved with a torsion spring, one supporting leg of the torsion spring is fixed with the fixed seat, the other supporting leg of the torsion spring is fixed with the movable shaft, the movable shaft rotates relative to the fixed seat under the action of external force, so that the torsion spring is twisted, after the external force disappears, the torsion spring resumes to drive the movable shaft to rotate to return to the initial position, and when the movable shaft is in the initial position, magnetic steel on the movable shaft forms an angle of 45 degrees with the plane where the linear Hall effect sensor of the signal processing circuit is located; the signal processing circuit comprises a circuit board socket, a stabilized power supply module, a linear Hall effect sensor, an amplifying circuit and a switching circuit, wherein the circuit board socket is used for being connected with the five-core socket, the stabilized power supply module is used for converting 12V direct voltage into 5V direct voltage, the linear Hall effect sensor is used for detecting magnetic field intensity, the amplifying circuit is used for detecting the magnetic field intensity, the circuit board socket comprises a power supply pin, a grounding pin, a brake intensity signal pin, a brake lamp switch input pin and a brake lamp switch output pin, the input end of the stabilized power supply module is connected with the power supply pin, the output end of the stabilized power supply module is respectively connected with the linear Hall effect sensor, the amplifying circuit and the switching circuit, the output end of the linear Hall effect sensor is respectively connected with the input end of the amplifying circuit and the input end of the switching circuit, the output end of the amplifying circuit is connected with the brake intensity signal pin, and the output end of the switching circuit is respectively connected with the brake lamp switch input pin and the brake lamp switch output pin; the amplifying circuit is used for amplifying the Hall voltage output by the linear Hall effect sensor, and the switching circuit is used for controlling the on-off between the brake lamp switch input pin and the brake lamp switch output pin according to the Hall voltage output by the linear Hall effect sensor.
As a further improvement of the invention, the middle part of the movable shaft is provided with an annular step, the outer diameter of the annular step is larger than the outer diameters of the two ends of the movable shaft, and the magnetic steel is arranged on the annular step; the two fixing seats are provided with two second through holes which are step holes, and two ends of the movable shaft respectively penetrate through the step holes of the two fixing seats; the circuit mounting box is arranged on any one of the fixing seats. The two fixing seats are respectively sleeved at the two ends of the movable shaft, the annular step of the movable shaft is in clearance fit with the step holes of the two fixing seats, when the two fixing seats are connected, the two step surfaces of the annular step are respectively abutted to the step surfaces of the step holes of the two fixing seats, so that the movable shaft is limited, the movable shaft and the fixing seats are limited to generate axial relative displacement, and the detection reliability is improved.
As a further improvement of the invention, the regulated power supply module of the signal processing circuit adopts a three-terminal integrated voltage regulator U1 with the model number of 78M 05.
As a further improvement of the invention, the amplifying circuit of the signal processing circuit comprises a first operational amplifier A1, wherein the non-inverting input end of the first operational amplifier A1 is connected with the linear hall effect sensor, the inverting input end of the first operational amplifier A1 is connected with the output end of the first operational amplifier A1, the output end of the first operational amplifier A1 is connected with a second filter circuit formed by a resistor R2 and a capacitor C5, and the second filter circuit is connected with a brake intensity signal pin.
As a further improvement of the invention, the switching circuit of the signal processing circuit comprises a second operational amplifier A2, a non-inverting input end of the second operational amplifier A2 is connected with a Hall effect sensor, an inverting input end of the second operational amplifier A2 is connected with an output end of a voltage dividing circuit formed by a potentiometer R6 and a resistor R5, an input end of the voltage dividing circuit is connected with a three-terminal integrated voltage stabilizer U1, an output end of the second operational amplifier A2 is connected with a grid electrode of a PMOS tube Q1 through a resistor R4, and a source electrode and a drain electrode of the PMOS tube Q1 are respectively connected with a brake lamp switch input pin and a brake lamp switch output pin.
The invention has the beneficial effects that: (1) When the brake pedal acts, the movable shaft is driven to rotate in the fixed seat, so that the included angle between the magnetic steel arranged on the movable shaft and the linear Hall effect sensor arranged on the fixed seat is changed, the linear Hall effect sensor detects the change of the magnetic field intensity to output a Hall voltage, the Hall voltage outputs an on-off signal through the switch circuit, the on-off signal of the brake lamp can be controlled, the Hall voltage outputs an amplified voltage through the amplifying circuit, and the greater the brake pedal acts, the greater the amplified voltage which is output can be collected and used by an automobile control system; and (2) the device has simple structure, high reliability and low cost.
Drawings
Fig. 1 is a structural exploded view of an automotive brake pedal signal switching device.
Fig. 2 is an assembly view of an automotive brake pedal signal switching device.
Fig. 3 is a block diagram of the structure of the signal processing circuit.
Fig. 4 is a circuit schematic of a signal processing circuit.
Detailed Description
The invention provides an automobile brake pedal signal switching device, which comprises a movable shaft 1, a fixed seat 2 and a circuit mounting box 3 arranged on the fixed seat 2, wherein the outer wall of the movable shaft 1 is provided with magnetic steel 4, the movable shaft 1 is axially provided with a first through hole 11 penetrating through two end faces of the movable shaft, the inner wall of the first through hole 11 is provided with a pin groove 12, and when an automobile brake pedal rotating shaft is inserted into the first through hole of the movable shaft, a positioning pin on the automobile brake pedal rotating shaft is inserted into the pin groove, so that the movable shaft can be driven to rotate when the brake pedal acts. The fixed seat 2 is provided with a second through hole 21 penetrating through two end surfaces of the fixed seat, the inner diameter of the second through hole 21 is matched with the outer diameter of the movable shaft 1, the movable shaft 1 penetrates through the second through hole 21, and the movable shaft can rotate in the second through hole 21 under the driving of the brake pedal. In order to better limit the relative movement of the movable shaft and the fixed seat in the axial direction, the invention preferably adopts two fixed seats, the structure is as shown in fig. 1 and 2, the middle part of the movable shaft 1 is provided with an annular step 13, the outer diameter of the annular step is larger than the outer diameters of two ends of the movable shaft, and the magnetic steel 4 is arranged on the annular step 13. The second through holes 21 of the two fixing seats 2 are step holes, the two fixing seats 2 are respectively sleeved on the movable shaft 1 from two ends of the movable shaft 1, and when the two fixing seats 2 are connected, the two step surfaces of the annular step 13 are respectively abutted against the step surfaces of the step holes of the two fixing seats 2. Specifically, the terminal surface of a fixing base is provided with buckle 22, and the terminal surface of another fixing base is provided with the catching groove 23 with buckle 22 complex, two fixing bases pass through buckle and catching groove connection. The circuit mounting box 3 is arranged on any one of the fixing seats, a signal processing circuit with a linear Hall effect sensor is arranged in the circuit mounting box, a five-core socket 31 is arranged on the circuit mounting box, and the five-core socket 31 is connected with the signal processing circuit in the box through a wire. The movable shaft 1 is sleeved with the torsion spring 5, one supporting leg of the torsion spring 5 is fixed with the fixed seat 2, the other supporting leg is fixed with the movable shaft 1, the movable shaft rotates relative to the fixed seat under the action of external force, the torsion spring is twisted, and after the external force disappears, the torsion spring is restored to enable the movable shaft to return to the initial position. When the movable shaft is at the initial position, the magnetic steel on the movable shaft forms an angle of 45 degrees with the plane where the linear Hall effect sensor of the signal processing circuit is located. The fixing base is also provided with a mounting hole 24, and screws, bolts and the like can be used for fixing the fixing base and a vehicle body at the brake pedal.
As shown in fig. 3, the signal processing circuit includes a circuit board socket, a regulated power supply module for converting a 12V dc voltage into a 5V dc voltage, a linear hall effect sensor for detecting a magnetic field intensity, an amplifying circuit, and a switching circuit, and the circuit board socket includes 5 pins, is connected with a five-core socket, and is connected with an external device through the five-core socket. The 5 pins of the circuit board socket are respectively a power supply pin, a grounding pin, a brake intensity signal pin, a brake lamp switch input pin and a brake lamp switch output pin, wherein the power supply pin is used for connecting a 12V power supply of an automobile, and 12V voltage is obtained for the signal processing circuit; the grounding pin is used for being connected with the ground connection of the vehicle body; the brake strength signal pin is used for being connected with an automobile computer and outputting a brake strength signal to the automobile computer; the brake lamp switch input pin and the brake lamp switch output pin are used for being connected with an automobile computer and outputting brake lamp switch signals to the automobile computer, or are used for being connected between a brake lamp and an automobile body ground to control the on and off of the brake lamp. The input end of the stabilized power supply module is connected with the power supply pin, the output end of the stabilized power supply module is respectively connected with the linear Hall effect sensor, the amplifying circuit and the switching circuit, the output end of the linear Hall effect sensor is respectively connected with the input end of the amplifying circuit and the input end of the switching circuit, the output end of the amplifying circuit is connected with the brake intensity signal pin, the output end of the switching circuit is connected with the brake lamp switch input pin and the brake lamp switch output pin, the amplifying circuit is used for amplifying the Hall voltage output by the linear Hall effect sensor, and the switching circuit is used for controlling the on-off between the brake lamp switch input pin and the brake lamp switch output pin according to the Hall voltage output by the linear Hall effect sensor.
Specifically, as shown in fig. 4, the regulated power supply module adopts a three-terminal integrated regulator U1 with a model number of 78M05, the linear hall effect sensor adopts a linear hall effect sensor U2 with a model number of SS49E, and the power supply pin, the ground pin, the brake intensity signal pin, the brake lamp switch input pin and the brake lamp switch output pin of the circuit board socket correspond to 1-5 pins respectively. The 1 pin of the circuit board socket J1 is connected with an input power supply filter circuit consisting of a ceramic chip capacitor C1 and an electrolytic capacitor C2, the input power supply filter circuit is connected with the 3 pin of the three-terminal integrated voltage stabilizer U1, the 2 pin of the circuit board socket J1 and the 2 pin of the three-terminal integrated voltage stabilizer U1 are grounded, and the 1 pin of the three-terminal integrated voltage stabilizer U1 outputs 5V voltage after being filtered by the output power supply filter circuit consisting of the ceramic chip capacitor C4 and the electrolytic capacitor C3 to supply power to the linear Hall effect sensor U2, the amplifying circuit and the switching circuit. The 1 pin of the three-terminal integrated voltage regulator U1 is also grounded through a transient suppression diode D1 and is used for overvoltage protection and static electricity prevention. The 1 pin of the linear Hall effect sensor U2 is grounded, the 3 pin of the linear Hall effect sensor U2 is connected with the 1 pin of the three-terminal integrated voltage regulator U1, the 2 pin of the linear Hall effect sensor U2 is connected with a first filter circuit formed by R1 and C6 and then is respectively connected with an amplifying circuit and a switching circuit, the amplifying circuit comprises a first operational amplifier A1 and a second filter circuit formed by a resistor R2 and a capacitor C5, the non-inverting input end of the first operational amplifier A1 is used as the input end of the amplifying circuit and is connected with the first filter circuit, the inverting input end of the first operational amplifier A1 is connected with the output end of the first operational amplifier A1, the output end of the first operational amplifier A1 is connected with the second filter circuit, and the second filter circuit is connected with the 3 pin of the circuit board socket J1. The switching circuit comprises a second operational amplifier A2, a voltage dividing circuit and a PMOS tube Q1, wherein the non-inverting input end of the second operational amplifier A2 is used as the input end of the switching circuit and is connected with the first filter circuit through a resistor R3, the inverting input end of the second operational amplifier A2 is connected with the output end of the voltage dividing circuit consisting of a potentiometer R6 and a resistor R5, the input end of the voltage dividing circuit is connected with the 1 pin of the three-terminal integrated voltage stabilizer U1, and the voltage of the inverting end of the second operational amplifier A2 is adjusted by adjusting the potentiometer R6. The output end of the second operational amplifier A2 is connected with the grid electrode of the PMOS tube Q1 through a resistor R4, and the source electrode and the drain electrode of the PMOS tube Q1 are respectively connected with the 4 pins and the 5 pins of the circuit board socket J1. The two ends of the capacitor C6 in the first filter circuit are connected with the zener diode D2 in parallel, and the two ends of the capacitor C5 in the second filter circuit are connected with the zener diode D3 in parallel for signal overvoltage protection.
When the brake pedal is stepped down, the movable shaft is driven to rotate, and as the brake pedal is stepped down to different depths, the magnetic steel rotation angles are different, so that the magnetic field strengths of the linear Hall effect sensors are different, the linear Hall effect sensors output Hall voltage signals with different potentials, and when the brake pedal is released, the movable shaft is driven by the torsion spring to rotate to return to the initial position. On the one hand, the Hall voltage signal is amplified by a first operational amplifier, the first operational amplifier outputs a direct-current voltage signal, and the direct-current voltage signal which is different along with the different stepping depths of a brake pedal is provided for external equipment by a five-core socket. On the other hand, the Hall voltage is compared by the second operational amplifier, the second operational amplifier outputs a comparison signal to control the PMOS tube to be turned on or turned off, when the brake pedal is stepped on, the PMOS tube is turned on, the brake lamp switch input end and the brake lamp switch output end are turned on, and current can flow from the switch input end to the brake lamp switch output end to further flow to a load, and the brake lamp is turned on; when the brake pedal is released, the PMOS tube is turned off, and a high-resistance state is formed between the input end of the brake lamp switch and the output end of the brake lamp switch, so that the brake lamp is turned off. The sensitivity of the brake signal can also be adjusted by adjusting the potentiometer.
Claims (3)
1. The signal switch device of the automobile brake pedal is characterized by comprising a movable shaft, a fixed seat and a circuit mounting box arranged on the fixed seat, wherein the movable shaft is axially provided with a first through hole penetrating through two end surfaces of the movable shaft, a pin groove matched with a positioning pin on a rotating shaft of the automobile brake pedal is arranged in the first through hole, and the outer wall of the movable shaft is provided with magnetic steel; the fixed seat is provided with a second through hole penetrating through two end surfaces of the fixed seat, and the movable shaft penetrates through the second through hole; the circuit mounting box is internally provided with a signal processing circuit with a linear Hall effect sensor, the circuit mounting box is provided with a five-core socket, and the five-core socket is connected with the signal processing circuit in the box through a wire; the movable shaft is sleeved with a torsion spring, one supporting leg of the torsion spring is fixed with the fixed seat, the other supporting leg of the torsion spring is fixed with the movable shaft, the movable shaft rotates relative to the fixed seat under the action of external force, so that the torsion spring is twisted, after the external force disappears, the torsion spring resumes to drive the movable shaft to rotate to return to the initial position, and when the movable shaft is in the initial position, magnetic steel on the movable shaft forms an angle of 45 degrees with the plane where the linear Hall effect sensor of the signal processing circuit is located; the signal processing circuit comprises a circuit board socket connected with the five-core socket, a stabilized voltage power supply module for converting 12V direct current voltage into 5V direct current voltage, a linear Hall effect sensor for detecting magnetic field intensity, an amplifying circuit and a switching circuit, wherein the circuit board socket comprises a power supply pin, a grounding pin, a brake intensity signal pin, a brake lamp switch input pin and a brake lamp switch output pin, the input end of the stabilized voltage power supply module is connected with the power supply pin of the circuit board socket, the output end of the stabilized voltage power supply module is respectively connected with the linear Hall effect sensor, the amplifying circuit and the switching circuit, the output end of the linear Hall effect sensor is respectively connected with the input end of the amplifying circuit and the input end of the switching circuit, the output end of the amplifying circuit is respectively connected with the brake intensity signal pin, the output end of the switching circuit is respectively connected with the brake lamp switch input pin and the brake lamp switch output pin, the amplifying circuit is used for amplifying the Hall voltage output by the linear Hall effect sensor, and the switching circuit is used for controlling the on-off between the brake lamp switch input pin and the brake lamp switch output pin according to the Hall voltage output by the linear Hall effect sensor;
the middle part of the movable shaft is provided with an annular step, the outer diameter of the annular step is larger than the outer diameters of the two ends of the movable shaft, and the magnetic steel is arranged on the annular step; the two fixing seats are provided with two second through holes which are step holes, and two ends of the movable shaft respectively penetrate through the step holes of the two fixing seats; the circuit mounting box is arranged on any one of the fixing seats;
the stabilized voltage supply module of the signal processing circuit adopts a three-terminal integrated voltage regulator U1 with the model of 78M 05.
2. The automobile brake pedal signal switching device according to claim 1, wherein the amplifying circuit of the signal processing circuit comprises a first operational amplifier A1, wherein the non-inverting input end of the first operational amplifier A1 is connected with the linear hall effect sensor, the inverting input end of the first operational amplifier A1 is connected with the output end of the first operational amplifier A1, the output end of the first operational amplifier A1 is connected with a second filter circuit formed by a resistor R2 and a capacitor C5, and the second filter circuit is connected with the brake intensity signal pin.
3. The automobile brake pedal signal switching device according to claim 1, wherein the switching circuit of the signal processing circuit comprises a second operational amplifier A2, a non-inverting input end of the second operational amplifier A2 is connected with a hall effect sensor, an inverting input end of the second operational amplifier A2 is connected with an output end of a voltage dividing circuit formed by a potentiometer R6 and a resistor R5, an input end of the voltage dividing circuit is connected with a three-terminal integrated voltage stabilizer U1, an output end of the second operational amplifier A2 is connected with a grid electrode of a PMOS tube Q1 through a resistor R4, and a source electrode and a drain electrode of the PMOS tube Q1 are respectively connected with a brake lamp switch input pin and a brake lamp switch output pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701926.7A CN107364438B (en) | 2017-08-16 | 2017-08-16 | Automobile brake pedal signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701926.7A CN107364438B (en) | 2017-08-16 | 2017-08-16 | Automobile brake pedal signal switching device |
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| Publication Number | Publication Date |
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| CN107364438A CN107364438A (en) | 2017-11-21 |
| CN107364438B true CN107364438B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710701926.7A Active CN107364438B (en) | 2017-08-16 | 2017-08-16 | Automobile brake pedal signal switching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108152730B (en) * | 2018-01-15 | 2023-07-18 | 南京工业职业技术学院 | Automobile relay detection device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068078A (en) * | 1991-06-29 | 1993-01-20 | 陆秀成 | Automobile braking system with car detect in real time, read out instrument |
| JPH05338529A (en) * | 1992-06-12 | 1993-12-21 | Mitsubishi Motors Corp | Brake device for vehicle |
| JP6091841B2 (en) * | 2012-10-25 | 2017-03-08 | Ntn株式会社 | Electric brake actuator with parking function |
| CN103192827B (en) * | 2013-04-23 | 2015-06-17 | 浙江先安汽车制动系统有限公司 | Automobile anti-collision and anti-misstep accelerator system with relay for controlling forward and reverse rotation of motor |
| CN204136971U (en) * | 2014-09-30 | 2015-02-04 | 江苏奥新新能源汽车有限公司 | The preferential integrated apparatus of a kind of electric control braking pedal |
| CN205168472U (en) * | 2015-10-22 | 2016-04-20 | 十堰亚新汽车科技有限公司 | Big electronic braking footboard of hall formula |
| CN106314413A (en) * | 2016-08-18 | 2017-01-11 | 成都卡莱博尔信息技术股份有限公司 | Train braking pressure monitoring equipment |
| CN207141058U (en) * | 2017-08-16 | 2018-03-27 | 南京工业职业技术学院 | A kind of automobile brake pedal signal switching device |
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