CN102700521A - Semi-automatic error correction braking system of inner-rotating fixed-angle solenoid valve - Google Patents

Abstract

The invention relates to a semi-automatic error correction braking system of an inward rotation type fixed-rotation-angle electromagnetic valve, belonging to a semi-automatic braking system for converting mistakenly stepping on an accelerator into error correction braking. The sensor-sensing signal analyzer-control signal power amplifier-power controller is connected with a direct current power supply which drives the inner forked rotor to be a solenoid valve with a fixed rotation angle and a solenoid valve with a fixed rotation angle. The advantages are that: the invention has fast response speed from finding that the accelerator is stepped by mistake to being corrected to be the brake action, has accurate action of the electromagnetic valve for driving the brake, can realize full-automatic error correction and brake starting, keeps the brake state for a long time without the problem of locked rotor and does not consume power until a driver manually restores the system to the state before starting.

Description

Semi-automatic error correction braking system of inner-rotating fixed-angle solenoid valve

technical field

The invention belongs to the technical field of braking of automobiles, in particular, it can transform the human operation of stepping on the accelerator by mistake into an error-correcting braking system capable of automatic braking.

Background technique

Chinese patent 200510022077.X "Accelerator System Device with Annunciator" provides a device that can judge whether the accelerator action is correct or wrong before determining whether to remedy and brake, so that the accelerator can be used for both braking and acceleration. Motor vehicle accelerator pedal system. It is characterized in that an annunciator is arranged on any one of the accelerator pedal, the linkage device and the vehicle body device. The annunciator is connected with the electric valve that can cut off the engine oil circuit and the electric valve on the wheel brake. This technology proposes to use electronic settings to perceive the action of misstepping the accelerator, and output the brake signal to the electric valve on the oil circuit and the electric valve on the wheel brake to realize remedial braking. One of the weak points of this technology is that the practicability of the mechanical device part of starting the automobile brake is not strong.

Chinese patent application 201001130092.4 "A Device for Automatically Correcting Misstepped Accelerators into Brakes with Electric Appliances and Machinery" discloses a device including a sensor, a signal analyzer and a brake activation mechanism. There are many electronic devices, and the reliability is reduced; the second disadvantage is that in the brake activation mechanism, the circular motion of the solenoid valve is changed into the reciprocating motion of the brake cable, and the straight rack is used to change the motion mode, because the straight tooth must be kept The reciprocating motion of the bar positioning requires a frame to fix the relative position of the solenoid valve and the straight rack. This frame is bulky and difficult to find a suitable location for installation. Moreover, the structure is complex, the cost is high, the reliability is not good, and the practicability is not strong. , and the solenoid valve in the brake activation mechanism maintains the locked-rotor state of the brake and is easy to damage the solenoid valve.

Contents of the invention

The purpose of the present invention is to provide an error-correcting brake system that corrects a wrong step on the accelerator as a braking action, has a fast response speed, accurate braking action, no stalling problem in the power components of the error correction in the braking state, and can be in the error-correcting braking state for a long time.

Structure of the present invention is:

The semi-automatic error correction brake system of the inner-rotating fixed-angle solenoid valve includes a sensor 9 connected in sequence---sensing signal analyzer 10---control signal power amplifier 11---power controller 12, and is characterized in that: The power controller 12 is connected with a solenoid valve 14 with an inner fork-shaped rotating body as a fixed angle of rotation and a DC power supply 15 that drives the electromagnetic valve 14 with an inner fork-shaped rotating body as a fixed angle of rotation;

The sensor 9 is one of a pressure sensor, a speed sensor or an acceleration sensor; the sensor 9 transmits the sensing signal to the sensing signal analyzer 10;

One of the pressure threshold switch, speed threshold switch or acceleration threshold switch is set in the sensor signal analyzer 10; the switch value is a set value used for comparison with the sensor signal, when the sensor signal is less than the switch value , the sensing signal analyzer 10 does not output a signal, and when the sensing signal is greater than the switch value, the sensing signal analyzer 10 outputs a starting brake signal to the control signal power amplifier 11;

The control signal power amplifier 11 includes triodes---power amplifiers connected in sequence; the base of the triodes is connected to the signal output end of the sensing signal analyzer 10, and the collector and emitter of the triodes are connected to the control signal input end of the power amplifier;

Power controller 12 comprises the electromagnetic switch 18 that starts electromagnetic valve work, the manual type automatic return switch 19 that makes electromagnetic valve reset and DC power supply 15; Electromagnetic switch 18 and manual type automatic return switch 19 are communicated with DC power supply 15 respectively; Power The amplifier controls the conduction or disconnection of the electromagnetic switch 18;

The power controller 12 is connected to the solenoid valve 14 with a fixed angle of rotation with the inner fork-shaped rotating body: the direct current power supply 15 is divided into two groups of wires, which are respectively connected to the electromagnetic valve 14 with a fixed angle of rotation with the inner fork-shaped rotating body in the opposite mode of positive and negative poles. Connected, in the two groups of wires, the first group of wires is provided with an electromagnetic switch 18 that starts the solenoid valve work, and the second group of wires is provided with a manual automatic return switch 19 that resets the solenoid valve; the electromagnetic switch 18 uses a DC power supply 15. The inner fork-shaped rotating body provides the power supply for forward rotation to the electromagnetic valve 14 with a fixed rotation angle, and the manual automatic return switch 19 provides the power supply for reverse reset rotation to the inner fork-shaped rotating body for the electromagnetic valve 14 with a fixed rotation angle;

The inner fork-shaped rotating body is a solenoid valve with a fixed rotation angle 14. The rotation angle is limited to perform forward rotation within the range of 180 degrees --- maintain the maximum forward rotation angle --- turn --- maintain the maximum rotation angle of the electromagnetic valve, the inner fork shape The structure of the electromagnetic valve 14 with the rotating body as a fixed rotation angle is as follows: the inner fork-shaped rotating body 1 and the outer casing fixed body 2 are included, the inner fork-shaped rotating body 1 is inside the outer casing fixed body 2, and the central rotating shaft 3 of the inner fork-shaped rotating body 1 is connected to the inner fork-shaped rotating body 1. The overcoat fixed body 2 is rotationally connected; the opposite surface of the overcoat fixed body 2 arc-shaped inner wall is provided with a pair of permanent magnet blocks 4, and this pair of permanent magnet blocks 4 is opposite to the other permanent magnet block 4 with the magnetic pole south pole of a permanent magnet block 4 The north pole of the magnetic pole; this pair of permanent magnet blocks 4 is provided with an inner fork-shaped rotating body 1; the inner fork-shaped rotating body 1 includes a "ten" shaped iron core 5 and a coil 6, and the same straight line in the "ten" shaped iron core 5 The coils 6 wound on the iron core have the same winding direction, that is, the coils 6 wound on the same straight iron core 7 have the same winding direction.

The error correction brake system of the present invention uses sensor 9 to acquire people's pressure, speed or acceleration on the brake pedal when they brake the car in an emergency, which is different from the pressure, Speed or acceleration is used as a judgment factor to distinguish normal stepping on the gas pedal and accidental stepping on the gas pedal in response to emergency braking. The sensor 9 is a component for acquiring the accelerator pedal pressure, speed or acceleration. The sensory signal analyzer 10 is to distinguish the pressure, speed or acceleration electric signal obtained by the sensor 9 and judge whether it belongs to the problem of stepping on the accelerator pedal by mistake when emergency braking should be performed. The sensor 9 only acquires the action signal of the accelerator pedal, and the sensor signal analyzer 10 analyzes and judges the action signal of the pedal. device 11 output signal. Once the sensor signal analyzer 10 outputs a signal to the control signal power amplifier 11, it means that the action of stepping on the accelerator pedal by mistake needs to be corrected as a braking action, so the output of the control signal power amplifier 11 to the electromagnetic switch 18 of the power controller 12 is enough to start the electromagnetic switch 18 becomes the electric energy of closing state, makes DC power supply 15 provide the electric energy needed for braking to the solenoid valve 14 of fixed angle to the inner fork-shaped rotating body, and the inner fork-shaped rotating body produces the positive rotation action that brake needs for the electromagnetic valve 14 of fixed angle. Connect the central rotating shaft 3 of the solenoid valve 14 with the inner fork-shaped rotating body as a fixed angle of rotation with the brake mechanism of the automobile with the stay cord 8, and this solenoid valve can perform a whole set of emergency braking by pulling the brake pedal or other systems of the brake. action. After the automobile was braked, the driver thought that the danger had been removed and could run normally. The driver could only move the manual automatic return switch 19 that made the electromagnetic valve reset, and the inward fork-shaped rotating body of the DC power supply 15 was an electromagnetic valve with a fixed rotation angle. 14 reverse power supply, then inner fork-shaped rotating body is that the solenoid valve 14 of fixed angle is just reset, and other systems of brake pedal or brake are also reset to the position that does not brake, and automobile can run normally again. In addition, because the electromagnetic switch 18 and the manual automatic return switch 19 for starting the solenoid valve work are all switches that are normally open, after the start current of the control signal power amplifier 11 to the electromagnetic switch 18 ends, the electromagnetic switch 18 automatically returns to the off state. In the open state, the DC power supply 15 is disconnected from the electromagnetic valve 14 with the fixed angle of rotation of the inner fork-shaped rotating body, but the electromagnetic valve 14 with the fixed angle of rotation inside the fork-shaped rotating body also remains in the state required by the brake; when the driver manually moves the electromagnetic valve 14 The manual automatic return switch 19 of the valve reset makes the electromagnetic valve 14 with the inner fork-shaped rotating body as a fixed rotation angle reset to the state that does not need braking, and the manual automatic return switch 19 automatically returns to the disconnected state, and the DC power supply 15 is disconnected with the electromagnetic valve 14 of fixed angle of rotation with the inner fork-shaped rotating body, and the whole error correction braking system is returned to the state of being on standby.

The structure of the fork-shaped rotating body in the core component of the error correction braking system of the present invention is a solenoid valve 14 with a fixed angle of rotation as follows:

The opposite surface of a pair of permanent magnet blocks 4 is arranged on the opposite surface of the arc-shaped inner wall of the outer casing fixed body 2, which means that the pair of permanent magnet blocks 4 are on the opposite surface of a certain diameter of the outer casing fixed body 2 .

When all coils 6 were not conductive, the two ends of a straight iron core 7 always had to be attracted by two permanent magnet pieces 4 on the opposite surface in the overcoat fixed body 2 in the "ten" shaped iron core 5, so that the straight iron The two ends of core 7 are very close to two permanent magnet pieces 4. And the two ends of another straight iron core 7 in " ten " font iron core 5 are far away from two permanent magnet blocks 4 .

The principle that the inner fork-shaped rotating body 1 rotation angle is a fixed value is: because in the "ten" shaped iron core 5, the coil 6 on the two straight iron cores 7 crossed by "ten" makes the two straight The two poles of shaped iron core 7 all become the magnetic poles of electromagnet. If after the coil 6 on the first straight iron core 7 attracted by two permanent magnet blocks 4 conducts electricity in a static state, the two electromagnetic poles of this straight iron core 7 and the magnetic poles of two permanent magnet blocks 4 become north poles For the south pole, because the opposite magnetic poles attract each other, the inner fork-shaped rotating body 1 and the outer cover fixed body 2 will not rotate relative to each other, that is, the inner fork-shaped rotating body 1 will not rotate. But after the coil 6 on the first straight iron core 7 that is attracted by two permanent magnet blocks 4 conducts electricity at rest, make two electromagnetic poles of this straight iron core 7 and the magnetic pole of two permanent magnet blocks 4 become one end It is the north pole to the north pole, and the other end is the south pole to the south pole. Because the magnetic poles of the same sex repel each other, the two permanent magnet blocks 4 opposite to the north and south poles fixed on the inner surface of the jacket fixed body 2 will repel the first straight iron core 7, while Attract the second straight iron core 7 so that the magnetic pole south pole of the second straight iron core 7 is close to the permanent magnet block 4 with the magnetic pole north pole, and simultaneously make the magnetic pole north pole and the magnetic pole south pole of the second straight iron core 7 The permanent magnet block 4 is close. Like this, two permanent magnet pieces 4 opposite to the north-south poles in the overcoat fixed body 2 push away the repulsion of the first straight iron core 7, and simultaneously attract the second straight iron core 7 that the magnetic poles attract each other, so that the inner The cross-shaped iron core 5 of the fork-shaped rotating body 1 and the two permanent magnet blocks 4 in the outer fixed body 2 rotate relative to each other, so as to achieve the purpose that the inner fork-shaped rotating body 1 is rotated. Because the overcoat fixed body 2 is fixed on other fixed objects, the inner fork-shaped rotating body 1 can be used as a power source to drive other movable objects, such as a power source for pulling an automobile brake pedal.

When all the coils 6 are non-conductive, the angle between the first straight iron core 7 and the straight iron core 7 where the opposite magnetic poles of the second straight iron core 7 are located is exactly the inner fork-shaped rotating body 1 constant rotation angle. Because the included angles of two straight iron cores 7 in a "ten" shaped iron core 5 are constant, the rotation angle of the inner fork-shaped rotating body 1 is exactly the numerical value of this included angle, which will not change. A "ten"-shaped iron core 5 makes the rotation angle of the inner fork-shaped rotating body 1 a fixed value, and "ten"-shaped iron cores 5 with different angles make the rotation angles of the inner fork-shaped rotating body 1 different. If the output rotation angle of the inner fork-shaped rotating body 1 is to be changed, the included angle of the two straight iron cores 7 in the "ten" shaped iron core 5 must be changed.

If the central shaft 3 of the inner fork rotating body 1 is connected with a stay cord 8, the other end of the stay cord 8 can output linear motion, if a gear is set on the central shaft 3, the linear displacement or circular motion can be output.

For the solenoid valve 14 with fixed angle for different inner fork-shaped rotating bodies, the two straight iron cores 7 of the "ten" shaped iron core 5 can form an included angle of 1 to 179 degrees, and then different inner fork-shaped rotating bodies are The inner fork-shaped rotating body 1 rotatable angle of the electromagnetic valve 14 two straight iron cores 7 outsides of the fixed angle of rotation is 1～179 degree and all can. That is to say, the different inner fork-shaped rotating bodies are electromagnetic valves 14 with fixed rotation angles, and the two straight iron cores 7 can be any value within the angle range of 1 to 179 degrees. The inner fork-shaped rotating body 1 can rotate at an angle of Any value within the range of 1 to 179 degrees is acceptable.

Straight iron core 7 is " I " font. Make the two ends of straight iron core 7 wider, prevent coil 6 from slipping out from the end of straight iron core 7.

There are two or more coils 6 on the same straight iron core 7, and the winding directions of the two or more coils 6 are the same. The coil 6 on the straight iron core 7 is to make the straight iron core 7 produce the effect of an electromagnet, in order to make all the coils 6 on a straight iron core 7 have the same conductivity condition, let the straight iron core 7 generate If the maximum magnetic flux is obtained, the winding direction of all coils 6 should be the same.

The inner fork-shaped rotating body is an electromagnetic valve 14 with a fixed rotation angle, and the outer surface of the central rotating shaft 3 of the inner fork-shaped rotating body 1 is connected with one end of the stay cord 8 . Stay cord 8 is a device for outputting rotational displacement and rotational force of inner fork-shaped rotating body 1 .

The meaning of "fixed" of the overcoat fixed body 2 is in the working state, the overcoat fixed body 2 is fixedly connected with other fixed objects other than the present invention, so that the overcoat fixed body 2 can not move because the power supply of the present invention occurs, Other fixed objects such as car shell, earth ground, etc.

Inner fork-shaped rotating body of the present invention is the solenoid valve 14 preferred structure of fixed rotation angle as follows:

Inner fork-shaped rotating body is two straight iron cores 7 of " ten " font iron core 5 of electromagnetic valve 14 of fixed rotation angle and becomes 1～179 degree angles.

For the solenoid valve 14 with fixed angle for different inner fork-shaped rotating bodies, the two straight iron cores 7 of the "ten" shaped iron core 5 can form an included angle of 1 to 179 degrees, and then different inner fork-shaped rotating bodies are The rotatable angle of the fork-shaped rotating body 1 in the electromagnetic valve 14 of the fixed rotation angle is 1～179 degrees and all can. That is to say, the different inner fork-shaped rotating bodies are electromagnetic valves 14 with fixed rotation angles, and the two straight iron cores 7 can be any value within the angle range of 1 to 179 degrees. The inner fork-shaped rotating body 1 can rotate at an angle of Any value within the range of 1 to 179 degrees is acceptable.

The inner fork-shaped rotating body is the straight iron core 7 of the solenoid valve 14 with a fixed rotation angle, which is in the shape of "I"; coils 6, and the winding directions of the two or more coils 6 are the same.

Make the two ends of straight iron core 7 wider, prevent coil 6 from slipping out from the end of straight iron core 7. The coil 6 on the straight iron core 7 is to make the straight iron core 7 produce the effect of an electromagnet, in order to make all the coils 6 on a straight iron core 7 have the same conductivity condition, let the straight iron core 7 generate If the maximum magnetic flux is obtained, the winding direction of all coils 6 should be the same.

The inner fork-shaped rotating body is an electromagnetic valve 14 with a fixed rotation angle, and the outer surface of the central rotating shaft 3 of the inner fork-shaped rotating body 1 is connected with one end of the stay cord 8 .

If the central shaft 3 of the inner fork rotating body 1 is connected with a stay cord 8, the other end of the stay cord 8 can output linear motion, if a gear is set on the central shaft 3, the linear displacement or circular motion can be output.

Advantages of the present invention: the sensor of the present invention is installed in the position that can obtain the action signal of automobile accelerator pedal or accelerator system, and the inner fork-shaped rotating body of the present invention is the central rotating shaft of the inner fork-shaped rotating body of the electromagnetic valve with fixed rotation angle Be connected with automobile brake pedal or braking system with stay rope or other means, just make this automobile become the safety automobile that can change the driver's stepping on the accelerator pedal into emergency braking action when the driver should brake in an emergency. The quick response from finding the wrong step on the accelerator to correcting the brake action, the solenoid valve driving the brake is accurate, there is no problem of stalling, and it can be in the braking state for a long time. It can realize automatic error correction, start the brake and manual reset. The time in the braking state is unlimited.

The invention can automatically convert the signal of mistakenly stepping on the accelerator into a mechanical action of pulling and driving the brake pedal or its mechanism, which can be automatically reset to prepare for the next use, and can be manually reset to ensure the braking time required by humans. Moreover, the automatic error correction brake has the same system as the automatic reset and manual reset.

The present invention uses electromagnetic valve as power mechanism, and the advantage of using electric motor as power mechanism is: the power output curve of electromagnetic valve of the present invention is 0.01～0.05 seconds and then maintains a steady straight line after instantaneous sudden rise, which is just suitable for brake pedal or brake during emergency braking. The power curve required by the mechanism, that is, the working curve of the solenoid valve is the same as the working curve required by the braking action, so that the emergency braking action can be best completed. However, in the existing error-correcting brake system technology of mistakenly stepping on the accelerator, the electric motor is used as the power mechanism, and the power output curve of the electric motor is that it takes 1.50 to 2.50 seconds for a slow arc-shaped rise to reach the force required for emergency braking. The working curve of the electric motor It is not the same as the working curve required by the braking action, and it cannot meet the urgent needs well, so that the braking time is longer and the braking distance is extended, so the possibility of accidents is higher.

The electromagnetic valve whose internal fork-shaped rotating body is a fixed rotation angle has the advantages of fast response speed, two working states of dynamic and static, limited rotation angle, fixed starting point and telemotion track, and no blockage. Arc motion solenoid valve with power output close to constant value for rotation problem:

［1］Response speed is fast: so the time required for the automobile using the error correction brake system of the present invention to start the emergency brake and make the brake pedal reach the full braking state is only 0.01~0.05 seconds, the reason is that the inner fork shape of the solenoid valve The central rotating shaft of the rotating body can be directly connected with the brake pedal or the braking system with a pull rope, while the existing various misstepping accelerator error correction braking systems use the rotating shaft of the motor as an intermediate motion transmission through mechanical devices such as transmissions and displacement limiting devices. , and consume the most precious time to start the brake pedal. The reason why the central shaft of the inner fork-shaped rotating body of the electromagnetic valve with the inner fork-shaped rotating body of the present invention can start the brake pedal within 0.01 to 0.05 seconds is because after the power is turned on, the coil in the electromagnetic valve can start the brake pedal within 0.01 seconds. The electromagnetic effect is generated, and the inner fork-shaped rotating body is rotated by the magnetic force.

[2] There are two working states: dynamic and static: the dynamic working state means that when the emergency brake is activated, the power supply makes the rotating body of the solenoid valve rotate rapidly to drive the brake pedal or other braking mechanisms. The static working state means that after the solenoid valve drives the brake pedal or other brake mechanisms to the braking position, the solenoid valve can still maintain the load working state without power supply, that is, without power supply, the brake pedal or other brake mechanisms can still be kept at the brake position indefinitely. state. Because after the solenoid valve is energized once, whether it is kept energized or de-energized, the rotating body of the solenoid valve remains motionless, which can keep the driven object in a fixed position forever. If the solenoid valve is powered off, it does not need to consume power if it maintains a certain state for a long time, which is an energy-saving mechanical design. However, the existing motor must keep rotating in the energized state. If the rotation is restricted, the problem of stalling will occur, which not only consumes power, but also may generate heat and burn out the motor within a few seconds. The solenoid valve of the present invention can output a certain force without consuming power to keep the object in a certain position without the problem of stalling.

[3] The power output curve suitable for emergency braking: the output power of the solenoid valve can be close to the maximum output power value at the instant of 0.01~0.05 seconds when the solenoid valve starts to be energized, and the output power value of the entire motion range is close to a constant value, that is to say, the basic Work in a smooth straight line. However, the output power value of the existing motor is an arc-shaped working curve that changes from small to large. These two output power modes have their own purposes, and the electromagnetic valve of the present invention is suitable for emergency drive machinery.

[4] Electricity can only be used to change the direction of motion, not for load: the coil wound on the fork-shaped fixed body in the initial state of conduction produces the magnetic force, mainly to make the rotating body rotate from one static position to another In the static position, the main function of the force generated by the coil is to change the direction of motion of the rotating body. The force generated by the coil is not mainly used to drive the load, so the force of the permanent magnet can be borrowed with a small input of energy to make the rotating body obtain a large force. turning force. Furthermore, because the solenoid valve can maintain a stable power output state without power consumption and energy consumption, the solenoid valve is energy-saving, environmentally friendly, quick start, fast output of high power, stable power output, precise rotation angle, and output displacement length. Precise solenoid valve.

[5] Accurate working stroke: After one power-on, the rotating body of the solenoid valve only rotates at an angle of 1 to 179 degrees, that is, the rotation angle of a solenoid valve is a fixed value, and the range is 1 to 179 degrees Within, this is the best power source for some machines that require limited displacement. The limit rotation motor is omitted to add a mechanism for mechanically limiting the rotation of the motor or a mechanism for causing the mechanical transmission to slip and limit rotation.

[6] Small in size and light in weight: If the stroke reaches 6 cm and the starting load is 50 kg, then the weight is only 2 kg, the volume is only 10 cm in diameter * 15 cm in length, the cost is extremely low, and the static load does not consume power. There is an installation position and strong practicability. However, if the general solenoid valve has a stroke of 6 cm and a starting load of 50 kg, the weight must be more than 100 kg, the volume should be 20 cm in diameter * 30 cm in length, the cost is high, and the static load consumes power. There is no such a large installation position in the car. , cannot be used as an error correction braking system.

Description of drawings

Fig. 1 is a schematic diagram of the main structure of the present invention;

Fig. 2 is a longitudinal sectional structure schematic diagram of a solenoid valve whose internal fork-shaped rotating body is a fixed rotation angle;

Fig. 3 is a cross-sectional structural schematic diagram of a solenoid valve with a fixed rotation angle for the inner fork-shaped rotating body;

In the figure, 1 is the inner fork-shaped rotating body, 2 is the outer fixed body, 3 is the central rotating shaft, 4 is the permanent magnet block, 5 is the "ten" shaped iron core, 6 is the coil, 7 is the straight iron core, and 8 is the drawstring , 9 is a sensor, 10 is a sensor signal analyzer, 11 is a control signal power amplifier, 12 is a power controller, 14 is a solenoid valve, 15 is a DC power supply, 18 is a solenoid valve switch, 19 is a manual automatic return switch .

Detailed ways

Embodiment 1. Semi-automatic error correction braking system for internally rotating fixed angle solenoid valve

As shown in Figures 1, 2, and 3, it includes a sensor 9 connected in order to transmit electrical signals---sensing signal analyzer 10---control signal power amplifier 11---power controller 12, and in order to convert electric energy Become mechanical energy, and be connected with power controller 12 with internal fork-shaped rotating body as the electromagnetic valve 14 of fixed rotation angle and power controller 12 connect drive inner fork-shaped rotating body as the direct current power supply 15 of electromagnetic valve 14 of fixed rotation angle.

The following is a description of each part:

The sensor 9 is one of a pressure sensor, a speed sensor or an acceleration sensor or a combination thereof; the sensor 9 transmits a sensing signal to a sensing signal analyzer 10 . That is to say, sensor 9 is to use a certain kind in pressure sensor, speed sensor or acceleration sensor, also can be that pressure sensor, speed sensor and acceleration sensor all use, even can also have gradient sensor and measure the distance sensor with obstacle distance The output signals of these different sensors are all transmitted to the sensor signal analyzer 10 respectively, and the sensor signal analyzer 10 analyzes the signals of various sensors to judge whether the gas pedal is stepped on by mistake when braking.

The sensing signal analyzer 10 uses a single-chip microcomputer capable of receiving signals, computing and processing signals, and outputting signals. One of pressure threshold switch, speed threshold switch or acceleration threshold switch is set in the sensing signal analyzer 10; The sensor signal value is compared, for example, the pressure threshold switch only receives the pressure signal input by the pressure sensor. When the sensing signal is less than the switch value, such as when the pressure signal value is less than the threshold of the pressure switch, the sensing signal analyzer 10 considers that there is no misstepping on the accelerator, and the sensing signal analyzer 10 does not output a signal; when the sensing signal is greater than the threshold of the switch value, if the pressure signal value is greater than the threshold value of the pressure switch, the sensing signal analyzer 10 considers that there is a wrong step on the accelerator, and the sensing signal analyzer 10 outputs a brake start signal to the control signal power amplifier 11. However, if pressure, speed, acceleration, gradient and distance are used to judge whether there is any misstepping on the accelerator, the sensory signal analyzer 10 should be provided with these factors as a function model of variables, and these factors input by various sensors Use the set function model to perform calculations to determine whether there is any misstepping on the accelerator. If there is no misstepping on the accelerator, no signal will be output. 11 output start brake signal.

The control signal power amplifier 11 is a component that amplifies the weak signal input by the sensor signal analyzer 10 into a strong signal that can drive the electromagnetic switch 18, so the control signal power amplifier 11 uses sequentially connected triodes--- The power amplifier is composed; the base of the triode is connected to the signal output terminal of the sensing signal analyzer 10, and the collector and emitter of the triode are connected to the control signal input terminal of the power amplifier.

The power supply controller 12 is a part that controls the power supply mode of a power supply with two switches, wherein the first switch is an electromagnetic switch 18, and the electromagnetic switch 18 is an automatic switch controlled by the control signal power amplifier 11. The electromagnetic switch 18 is used for Control whether the DC power supply 15 provides a switch for forward rotation to the electromagnetic valve 14 with a fixed rotation angle to the inner fork-shaped rotating body; , the manual automatic gear-back switch 19 controls the DC power supply 15 to provide the electromagnetic valve 14 of the fixed angle to the solenoid valve 14 of the fixed angle of the DC power supply 15. The structure of the power controller 12 is: the power controller 12 includes an electromagnetic switch 18 for starting the electromagnetic valve, a manual automatic return switch 19 and a DC power supply 15 for resetting the electromagnetic valve; the electromagnetic switch 18 and the manual automatic return switch 19 They are respectively communicated with the DC power supply 15; the power amplifier controls the conduction or disconnection of the electromagnetic switch 18. The power controller 12 is connected to the solenoid valve 14 with a fixed angle of rotation with the inner fork-shaped rotating body: the direct current power supply 15 is divided into two groups of wires, which are respectively connected to the electromagnetic valve 14 with a fixed angle of rotation with the inner fork-shaped rotating body in the opposite mode of positive and negative poles. Connected, in the two groups of wires, the first group of wires is provided with an electromagnetic switch 18 that starts the solenoid valve work, and the second group of wires is provided with a manual automatic return switch 19 that resets the solenoid valve; the electromagnetic switch 18 uses a DC power supply 15 provides forward rotating power supply to the inner fork-shaped rotating body for the electromagnetic valve 14 of fixed rotation angle, and the manual automatic return switch 19 provides the power supply of reverse reset rotation to the inner fork-shaped rotating body for the electromagnetic valve 14 of fixed rotation angle. Like this, can utilize the signal of control signal power amplifier 11, the electromagnetic switch 18 of power controller 12 is carried out automatic switching, realizes automatic braking; For the electromagnetic valve body type of fixed rotation angle drives fixed rotation angle electromagnetic valve 14 reverse rotations and resets to the position that does not brake, prepares for braking next time.

The inner fork-shaped rotating body is a solenoid valve 14 with a fixed angle of rotation, which is a mechanical part that is rotated by the electric energy of the DC power supply 15, and its rotation is used to drive the brake pedal of the automobile or its interlocking mechanism. The inner fork-shaped rotating body is a solenoid valve with a fixed rotation angle 14. The rotation angle is limited to perform forward rotation within the range of 180 degrees --- maintain the maximum forward rotation angle --- turn --- maintain the maximum rotation angle of the electromagnetic valve, the inner fork shape The structure of the electromagnetic valve 14 with the rotating body as a fixed rotation angle is as follows: the inner fork-shaped rotating body 1 and the outer casing fixed body 2 are included, the inner fork-shaped rotating body 1 is inside the outer casing fixed body 2, and the central rotating shaft 3 of the inner fork-shaped rotating body 1 is connected to the inner fork-shaped rotating body 1. The overcoat fixed body 2 is rotationally connected; the opposite surface of the overcoat fixed body 2 arc-shaped inner wall is provided with a pair of permanent magnet blocks 4, and this pair of permanent magnet blocks 4 is opposite to the other permanent magnet block 4 with the magnetic pole south pole of a permanent magnet block 4 The north pole of the magnetic pole; this pair of permanent magnet blocks 4 is provided with an inner fork-shaped rotating body 1; the inner fork-shaped rotating body 1 includes a "ten" shaped iron core 5 and a coil 6, and the same straight line in the "ten" shaped iron core 5 The coils 6 wound on the iron core have the same winding direction, that is, the coils 6 wound on the same straight iron core 7 have the same winding direction. The specific manufacturing method of the electromagnetic valve 14 that the internal fork-shaped rotating body is a fixed angle of rotation is:

The silicon steel material sheet is stamped into multiple "ten" shaped sheets, and the minimum included angle of the "ten" shaped sheet is 80 degrees. A "ten" shaped iron core 5 with a thickness of 5.0 centimeters is formed by stacking a plurality of silicon steel material sheets in the shape of a "ten". Coils 6 are wound on the "ten"-shaped iron core 5, and the coils 6 wound on the same straight line in the "ten"-shaped iron core 5 are wound in the same direction, that is, the coils 6 wound on the same straight iron core 7 around the same. Note that there are two coils 6 on the same straight iron core 7, and the winding direction of the two coils 6 is the same, and the two coils 6 are respectively penetrated from the ends and connected at the center of the "ten" to form a coil , to make the inner fork-shaped rotating body 1. There is a rotating shaft 3 at the center of both ends of the inner fork-shaped rotating body 1 .

In the way that the magnetic poles of two permanent magnet blocks 4 are opposite, that is, the magnetic pole south pole of one permanent magnet block 4 is opposite to the magnetic pole north pole of the other permanent magnet block 4, the two permanent magnet blocks 4 are respectively fixed in a short circular tube The opposite face becomes the jacket fixed body 2.

Put the inner fork-shaped rotating body 1 composed of a "ten"-shaped iron core 5 wound with a coil 6 in the outer casing fixed body 2 with two permanent magnet blocks 4 circular short tubes, and the two ends of the inner fork-shaped rotating body 1 There is a rotating shaft 3 in the center and is rotationally connected with the two ends of the overcoat fixed body 2 . The inner fork-shaped rotating body is made into an arc solenoid valve with a fixed rotation angle.

The DC power supply 15 is an automotive storage battery of 12 volts to 36 volts.

In this embodiment, the signal waveform output from the sensing signal analyzer 10 to the control signal power amplifier 11 is a rectangular wave. The function of the sensor signal analyzer 10 outputting the rectangular wave to the control signal power amplifier 11 is: the rectangular wave has a switching function and a delay function, and the control signal power amplifier 11 drives the electromagnetic switch 18 of the power controller 12 by utilizing the switching function of the rectangular wave Conduction, using the delay function of the rectangular wave to make the conduction state of the electromagnetic switch 18 driven by the control signal power amplifier 11 drive the power controller 12 can be delayed, and the delay function is to make the electromagnetic switch 18 really reach the position of the conduction state.

Embodiment 2, semi-automatic error correction braking system of internal rotation fixed angle solenoid valve

As in embodiment 1, after the two coils 6 wound in the same direction are penetrated respectively from the two ends of a straight iron core 7, a coil larger than the straight iron core 7 is respectively fixed at the two ends of the straight iron core 7. Core 7 cross-sections, the gear coil block identical with straight iron core 7 materials, make this straight iron core 7 become " I " font. Also carry out the same process to another straight iron core 7, also become " I " font straight iron core 7.

The outer surface of the rotating shaft 3 of the inner fork-shaped rotating body 1 is fixedly connected with one end of a stay cord 8, and the other end of the stay cord 8 is connected with the driven object. When the inner fork-shaped rotating body 1 is rotated at an angle of 80 degrees, the stay cord 8 is pulled at an angle of 80 degrees corresponding to the arc length of the surface of the rotating shaft 3 . That is, the linear displacement length output by the solenoid valve, the solenoid valve just outputs this fixed linear displacement length.

Embodiment 3, semi-automatic error correction braking system of internal rotation fixed angle solenoid valve

As embodiment 1, but only the inner fork-shaped rotating body is the minimum included angle of the "cross" shaped piece of the solenoid valve 14 of fixed rotation angle and changes it into 10 degrees.

Embodiment 4. Semi-automatic error correction braking system for internally rotating fixed angle solenoid valve

As in embodiment 1, but only the inner fork-shaped rotating body is changed to 30 degrees for the minimum included angle of the "cross" shaped sheet of the electromagnetic valve 14 with a fixed rotation angle.

Embodiment 5, semi-automatic error correction braking system of internal rotation fixed angle solenoid valve

As in embodiment 1, but only the inner fork-shaped rotating body is changed to 50 degrees for the minimum included angle of the "cross" shaped sheet of the electromagnetic valve 14 with a fixed rotation angle.

Embodiment 6. Semi-automatic error correction braking system for internally rotating fixed angle solenoid valve

As embodiment 1, but only the minimum included angle of the "cross" shaped piece of the electromagnetic valve 14 of the fixed rotation angle is changed to 160 degrees in the inner fork-shaped rotating body.

Claims (5)

1. the S. A. error correction brake system of rotatable fixedly angle electromagnetic valve in;---power-supply controller of electric (12) is characterized in that transducing signal analyzer (10)--control signal amplifirer (11)--: the fork-shaped rotor was the fixing direct supply (15) of the electromagnetic valve of corner (14) for the fixing electromagnetic valve of corner (14) with driving interior fork-shaped rotor in power-supply controller of electric (12) was connected with to comprise the sensor (9) that is connected successively;

Sensor (9) is a certain of pressure sensor, speed sensor or acceleration pick-up; Sensor (9) is transferred to transducing signal analyzer (10) with transducing signal;

Be set with a certain of pressure threshold switch, threshold speed switch or acceleration rate threshold switch in the transducing signal analyzer (10); Switch value is to be used for and transducing signal own setting value relatively; When transducing signal during less than switch value; Transducing signal analyzer (10) is output signal not, and when transducing signal during greater than switch value, transducing signal analyzer (10) starts brake signal to control signal amplifirer (11) output;

Control signal amplifirer (11) comprises the aerotron---power amplifier that links to each other successively; The base stage of aerotron connects the signal output part of transducing signal analyzer (10), and the collector and emitter of aerotron connects the signal input end of power amplifier;

Power-supply controller of electric (12) comprises electromagnetic switch (18), the automatic retrace switch of manual type (19) that electromagnetic valve is resetted and the direct supply (15) that starts electromagnetic valve work; The automatic retrace switch of electromagnetic switch (18) and manual type (19) is communicated with direct supply (15) respectively; The conducting or the disconnection of power amplifier control electromagnetic switch (18);

Power-supply controller of electric (12) is that fixedly the connection side of the electromagnetic valve of corner (14) is with interior fork-shaped rotor: it is that fixedly the electromagnetic valve of corner (14) is communicated with interior fork-shaped rotor respectively with the opposite mode of both positive and negative polarity that direct supply (15) divides two groups of leads; In two groups of leads; First group of lead is provided with the electromagnetic switch (18) that starts electromagnetic valve work, and second group of lead is provided with the automatic retrace switch of the manual type that electromagnetic valve is resetted (19); Make electromagnetic switch (18) with direct supply (15) inwardly the fork-shaped rotor for the fixing electromagnetic valve of corner (14) power supply of forward rotation is provided, the automatic retrace switch of manual type (19) inwardly fork-shaped rotor provides the power supply of the rotation that oppositely resets for the fixing electromagnetic valve of corner (14);

Interior fork-shaped rotor is that pivot angle is placed restrictions in 180 degree scopes, to carry out and just changeed that--electromagnetic valve that maximum angle is turned round in maximum angle--revolution---maintenance is just being changeed in maintenance for the fixing electromagnetic valve of corner (14); Interior fork-shaped rotor is that fixedly the structure of the electromagnetic valve of corner (14) is: fork-shaped rotor (1) and overcoat fixed body (2) in comprising; In interior fork-shaped rotor (1) its external sleeve fixed body (2); The central rotating shaft (3) of interior fork-shaped rotor (1) is rotationally connected with overcoat fixed body (2); The opposite face of overcoat fixed body (2) arc inner wall is provided with a pair of permanent magnetic iron block (4), and this a pair of permanent magnetic iron block (4) is the magnetic pole arctic with relative another permanent magnetic iron block (4) in the magnetic pole South Pole of a permanent magnetic iron block (4); Fork-shaped rotor (1) in being provided with between this a pair of permanent magnetic iron block (4); Interior fork-shaped rotor (1) comprises " ten " font iron core (5) and coil (6); In " ten " font iron core (5) on the collinear iron core around coil (6) around to identical, on the promptly same straight shape iron core (7) around coil (6) around to identical.

2. the S. A. error correction brake system of rotatable fixedly angle electromagnetic valve in according to claim 1 is characterized in that: interior fork-shaped rotor is that two straight shape iron cores (7) of fixedly " ten " font iron core (5) of the electromagnetic valve of corner (14) become 1 ~ 179 degree angle.

3. the S. A. error correction brake system of rotatable fixedly angle electromagnetic valve in according to claim 2 is characterized in that: interior fork-shaped rotor is that fixedly the straight shape iron core (7) of the electromagnetic valve of corner (14) is " worker " font; On the same straight shape iron core (7) of interior fork-shaped rotor for the fixing electromagnetic valve of corner (14) two or more coils (6) are arranged, these two or more coils (6) around to identical.

4. the S. A. error correction brake system of rotatable fixedly angle electromagnetic valve in according to claim 3 is characterized in that: interior fork-shaped rotor is that fixedly central rotating shaft (3) outside face of the interior fork-shaped rotor of the electromagnetic valve of corner (14) (1) is connected with an end of stay cord (8).

5. the S. A. error correction brake system of rotatable fixedly angle electromagnetic valve in according to claim 1 is characterized in that: transducing signal analyzer (10) is a square wave to the signal waveform of control signal amplifirer (11) output.

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