WO2004022389A1

WO2004022389A1 - A vehicle protector against collision

Info

Publication number: WO2004022389A1
Application number: PCT/CN2003/000744
Authority: WO
Inventors: Daxing Cui
Original assignee: Daxing Cui
Priority date: 2002-09-03
Filing date: 2003-09-03
Publication date: 2004-03-18
Also published as: KR20030041113A; AU2003261607A1; CN1217811C; CN1413862A; KR100477764B1

Abstract

A vehicle protector against collision is composed of a vehicle body, an oil pump and a liquid tank, wherein the front and back ends of the body are respectively provided with a bumper which is connected to an outlet of a distributing cylinder by conduit, a valve is respectively connected to an inlet of the distributing cylinder and an outlet of an energy storage tank, an inlet of which is connected to the oil pump. A transmitter and a receiver are installed respectively to the front and back ends of the body, wherein the receiver, an amplifier, an A/D converter, a microprocessor, an D/A converter and the valve and the valve are sequentially connected, and are respectively connected to an electrical source, the transmitter is also connected to the source.

Description

TECHNICAL FIELD

The invention relates to a means of transportation, in particular to an automobile collision protection device.

Background technique

Automobiles are an important transportation tool that is growing in modern life and being used by millions of households. With the improvement of people's living standards and the country's vigorous road construction, automobiles are increasing at a rate of 6% per year, reaching millions of households to meet the needs of passenger transportation and freight transportation. However, with the increasing number of cars, traffic accidents are also increasing, such as cars colliding and cars crashing into people. In order to prevent the occurrence of eye-impact accidents, automobile manufacturers have designed many brakes for drivers to use in emergency braking to make driving vehicles stop quickly, avoiding collisions, collisions with people, and other traffic accidents. Since most of these brakes are directly supplied by the oil pump, oil pressure is generated, which makes the brakes emergency. In actual work, the oil pump directly supplies oil, and the pressure is generally small, so the emergency braking effect of the vehicle is not good. In addition, during emergency braking, most of them are controlled manually or by the driver's feet, and the reaction speed is slow. Therefore, traffic accidents such as car collisions and car collisions often cause significant loss of life and property to people. The social and national economy has many adverse effects.

Summary of the Invention

The object of the present invention is to provide an anti-collision protection device for an automobile, which can solve the above-mentioned problems, so as to meet the needs of various aspects such as large oil pressure, high speed, and convenient driving operation during braking.

The purpose of the present invention is achieved as follows: An automobile collision protection device includes a vehicle body, an oil pump, and a liquid storage tank. The front and rear parts of the vehicle body are respectively provided with anti-collision bodies. The anti-collision bodies are connected to the oil outlet of the distribution cylinder by pipes, the valves are respectively connected to the oil inlet of the distribution cylinder and the outlet of the energy storage tank, and the inlet of the energy storage tank is connected to the oil pump; The front and rear parts are also provided with a transmitter, a receiver, a receiver and an amplifier, an A / D converter, a microprocessor, a D / A converter, and a valve in order. The power supply is respectively connected to the transmitter, the receiver, the amplifier, and the A / D. Conversion, microprocessor, D / A conversion, valve connection.

Since the present invention adopts the above technical solution, it has the following advantages: 1. The use of an additional energy storage tank has a large brake oil pressure, a high speed, and a good emergency anti-collision effect. 2. The automatic control system is composed of transmitter, receiver, microprocessor, etc., so that the protection effect is better in emergency collision.

3. The structure of the whole system is simple and easy to manufacture; automatic or manual dual selection control, convenient operation, reliable performance, economical and practical, huge social and economic benefits.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural diagram of an automobile anti-collision protection device according to the present invention; FIG. 2 is a schematic diagram of a car anti-collision protection device in FIG. 1 after being rotated 90 degrees from a bottom view;

FIG. 3 is a schematic diagram of the shape of an anti-collision body in the automobile collision protection device of the present invention; FIG. 4 is a schematic diagram of the shape of a distribution cylinder of the present invention;

FIG. 5 is a schematic structural diagram of a pressure system in an automobile collision protection device of the present invention; FIG. 6 is a schematic block diagram of a circuit principle in the automobile collision protection device of the present invention. detailed description

The following describes the implementation of the present invention in detail with reference to the drawings. In the figure: 1 indicates the vehicle body, 2 indicates the collision body, 2-1 indicates the fixing hole, 2-1 indicates the collision prevention part, 3 indicates the distribution red, 4 indicates the pipeline, 5 indicates the frame, 6 indicates the oil outlet, and 7 indicates Oil inlet, 8 is the valve, 9 is the energy storage tank, 10 is the oil pump, 11 is the flow control valve, 12 is the liquid storage tank, 13 is the auxiliary control valve, 14 is the valve plate, 15 is the transmitter, and 16 is the receiver , 17 means amplifier, 18 means A / D conversion, 19 means microprocessor, 20 means D / A conversion, 21 means power supply, 22 means buffer.

In FIGS. 1 and 2, the body 1 of the automobile is a sedan type, and an anti-collision frame 5 is provided at the bottom of the body 1. When the vehicle body 1 is a truck or a passenger car or other styles, the collision-prevention frame 5 provided at the bottom thereof may also be directly constituted by a truck or a truck. The front part of the body 1 and the rear end of the frame 5 are provided with 2-6 collision bodies 2, and 2-6 pairs of the transmitter 15 and the receiver 16; among which, 1-2 can be installed in the front, The rear can be installed with 2-4. The bumper body 2, the transmitter 15, and the receiver 16 are respectively installed at the front and rear ends of the frame 5 by fastening screws. In order to obtain better results, the collision preventing body 2 may also be disposed at the end of the bumper of the frame 5 or other parts. The transmitter 15 and the receiver 16 can also be installed at the front and rear ends of the frame 5, or other parts such as the bumper portion; they can be installed up and down, or left and right. For the right setting, it is generally better to control the position and angle acceptable after launching at 1-10 meters. The bottom of the frame 5 is provided with a distribution cylinder 3, which is connected to the collision body 2 by a pipe 4.

In order to obtain a safe and good anti-collision effect, a buffer body 22 may be provided between the front and rear ends of the vehicle body and the collision body 2, and the buffer body 22 may be set to a circular body by rubber or a spring.

In FIG. 3, the anti-collision body 2 is composed of a valve body, a fixing hole 2-1, an anti-collision portion 2-1, and the like; the valve body may be made of a metal body in a circular body or other styles; an oil cavity is provided in the valve body A matching anti-collision part 2-2 is provided in the oil cavity. The anti-collision part 2-2 can be made into a rod type or other styles. When the pressure cavity of the anti-collision body 2 receives pressure liquid, it can protrude outwards and collide with obstacles such as cars or people. The rear end of the valve body is provided with fixing holes 2-1 for fixed connection between the collision body 2 and the end of the frame 5. The anti-collision body 2 can adopt the HSG series model manufactured by Tianjin Special Precision Hydraulic Co., or other models.

In FIG. 4, the distribution cylinder 3 may be a metal cylinder set in a straight cylindrical distribution shape, or other patterns. An oil inlet 7 is provided at one end of the distribution cylinder 3 and is connected to the valve 8 by a pipeline 4. The upper part of the distribution cylinder 3 is provided with 2-6 oil outlets 6 which are connected to the collision prevention body 2.

In FIG. 5, the pressure system in the automobile collision protection device is composed of a distribution rainbow 3, a valve 8, an energy storage tank 9, an oil pump 102, and the like. Among them, the valve 8 is connected to the oil inlet 7 of the distribution cylinder 3 and the outlet of the energy storage tank 9 respectively, and the inlet of the energy storage tank 9 is connected to the oil pump 10. The valve 8 is used to control the opening or closing of the pressure oil flowing to the distribution cylinder 3 and the anti-collision body 2. It can adopt the valve plate 14 style which is closed up and down, or the Gang core style which rotates left and right; Manual valves (such as Model 3ZF6 manufactured by Tianjin Special Precision Hydraulic Company, or other models) can also be used. The energy storage tank 9 is made of a metal container and is a closed container body. It is used to store the pressure oil input by the oil pump 10 to achieve an oil pressure of 21-210M / P o. The rapid oil pressure achieves the collision-resistant rapid extension action of the collision body 2. The energy storage tank 9 is provided with an inlet and an outlet, respectively, and is connected to the oil pump 10 and the valve 8 through the pipeline 4 respectively. The energy storage tank 9 may adopt other types such as a gas cylinder type, a piston type, and a spring type; for example, an NXQ4-40 type, or other types. The oil pump 10 is used to deliver hydraulic oil to the energy storage tank 9 to generate the working oil pressure required by the collision prevention body 2; It can use gear pumps (such as CBT-F1 series models, or other models), or other oil pumps with superior performance.

In order to facilitate the operation and obtain a better anti-collision effect, the valve 8 may be composed of a combination of a solenoid valve and a manual valve. The inlet ends of the solenoid valve and the manual valve are respectively connected to the outlet of the energy storage tank 9 and the outlet ends of the solenoid valve and the manual valve. Connected to the oil inlet of the distribution cylinder 3 respectively.

In order to obtain a better hydraulic working effect, a liquid storage tank 12 may be provided on the upper part of the oil pump 10 for inputting the required hydraulic fluid. An auxiliary control valve 13 is provided in a connection pipeline between the valve 8 and the oil pump 10, and is used to assist in adjusting the hydraulic pressure required for hydraulic pressure. A flow control valve 11 is provided in a connection pipeline between the oil pump 10, the auxiliary control valve 13 and the liquid storage tank 12, and is used to adjust the amount of oil required for hydraulic pressure.

In FIG. 6, the circuit in the automobile collision protection device is composed of a transmitter 15, a receiver 16, an amplifier 17, an A / D conversion 18, a microprocessor 19, a D / A conversion 20, a power source 21, and the like. The receiver 16 is connected with the amplifier 17, the A / D converter 18, the microprocessor 19, the D / A converter 20, and the valve 8 in sequence by a wire. The power supply 21 is connected with the transmitter 15, the receiver 16, the amplifier 17, and A by a wire. / D conversion 18, microprocessor 19, D / A conversion 21, and valve 8 are connected.

Among them, the transmitter 15 and the receiver 16 are used for transmitting and receiving control signals, respectively, and they may use a far-infrared transmitting diode, a far-infrared receiving diode, or a microwave transmitter and a microwave receiver. The transmitter 15 and the receiver 16 may adopt a commercially available ordinary far-infrared transmitting diode, a far-infrared receiving diode, or a general microwave transmitter and a microwave receiver.

The amplifier 17 is configured to collect the weak signal of the transmitter 15 by the receiver 16 and perform amplification processing to the A / D conversion 18. It can use AD620, OPT301, or other models.

The A / D conversion 18 is used to convert the DC signal input from the amplifier 17 into a digital signal and send it to the microprocessor 19 for processing. It can use TLV2543, MAX113, or other models.

A microprocessor 19 for classifying, identifying, calculating and processing the collected digital signals input by the A / D conversion 18, and outputting to the D / A conversion 20 to control the valve 8 to open or close Closed signal; it can use PLC series, CPU MSP430, P87LPC764 series models, or DP 8031, 8225A, 8051, or other models.

D / A conversion 20 is used to convert the digital signal output from the microprocessor 19 into a DC control signal and send it to the control valve 8. It can use DAC8408, DAC16, or other models.

The valve 8 (when using a solenoid valve) is used to receive a controlled signal input by the microprocessor 19 via the D / A conversion 20 to open or close the valve, so that the anti-collision body 2 forms an extended anti-collision action, or a reset action.

Power supply 21, which can use the DC power on the car, which is sent to the transmitter 15, receiver 16, amplifier 17, A / D converter 18, microprocessor 19, D / A converter 21, valve 8 (electromagnetic Valve) and so on.

When the present invention is used in actual operation, when the distance between the traveling cars is 5-10 meters, the signal sent by the transmitter 15 is collected by the receiver 16 and then received by the amplifier 17, the A / D conversion 18, and the microprocessor. 19 Perform amplification, classification, identification, calculation and processing, and issue alarm signals. When the distance between the traveling cars is about 1 meter, the microprocessor 19 sends a signal to the valve 8 (solenoid valve) to control the solenoid valve of the valve 8 to open. Make the bumper part 2-2 of the bumper body 2 protrude outward to withstand the hit car, person or obstacle to protect the safety of the own vehicle. Because the liquid pressure in the energy storage tank 9 is very high, the time for the collision portion 2-2 of the collision body 2 to extend outward is extremely short, only about 0.3 seconds, so the present invention has excellent safety protection effect.

When the automobile equipped with the present invention is traveling in an urban area, the valve 8 may also use a manual valve to control the collision portion 2-2 of the collision body 1 to protrude outward, to stand against the hit car, person or object, and protect itself. Vehicle safety. At this time, since the collision prevention part 2-2 protrudes a little longer, the impact force on the hit car, person or obstacle is smaller, so the safety and reduction of the hit car, person or obstacle can be guaranteed. Little destructive. After the obstacles such as the hit car, people or objects are eliminated, the receiver 16 has no acquisition signal. The microprocessor 19 sends a reset control signal to the bumper body 2 to reset the bumper portion 2-2, so that the host vehicle continues to drive forward. For economic, economical and other needs, the present invention can also use the air pressure type instead of the oil pressure, which can also achieve the function, function and effect of the crash protection of the present invention, which are all within the protection scope claimed by the present invention.

Claims

Rights request

1. An automobile collision protection device, comprising a vehicle body, an oil pump, and a liquid storage tank, characterized in that a collision body is provided at the front and rear ends of the vehicle body respectively, and the collision body is connected to the oil outlet of the distribution cylinder through a pipeline, and the valves are respectively connected with The oil inlet of the distribution cylinder and the outlet of the energy storage tank are connected, and the inlet of the energy storage tank is connected to the oil pump. The front and rear parts of the vehicle body are also provided with a transmitter, a receiver, a receiver and an amplifier, A / D conversion, a microprocessor, a D / A conversion, valve connection, power supply is connected to transmitter, receiver, amplifier, A / D conversion, microprocessor, D / A conversion, valve.

2. The automobile collision protection device according to claim 1, wherein a bumper body is provided at an end portion of a bumper of the vehicle body.

3. The anti-collision protection device for a car according to claim 2, wherein the bumper end of the vehicle body is provided with two to six anti-collision bodies, respectively.

4. The anti-collision protection device for a car according to claim 1, wherein a bumper end of the vehicle body is provided with a transmitter and a receiver.

5. The anti-collision protection device for an automobile according to claim 1, wherein the valve is a solenoid valve.

6. The anti-collision protection device for an automobile according to claim 1, wherein the valve is a manual valve.

7. The automobile collision protection device according to claim 1, wherein the valve is composed of a combination of a solenoid valve and a manual valve, and the inlet ends of the solenoid valve and the manual valve are respectively connected to the outlet of the energy storage tank, the solenoid valve and the manual valve The outlet ends are connected to the distribution rainbow inlet respectively.

8. The automobile collision protection device according to claim 1, wherein the distribution cylinder is provided in a straight cylindrical shape, an oil inlet is provided at an end portion, and 2 to 6 oil outlets are provided at an upper portion.

The automobile collision protection device according to claim 1, wherein a buffer body is provided between the front and rear ends of the vehicle body and the collision body.

The anti-collision protection device for an automobile according to claim 9, wherein the buffer body is a circular body provided by rubber or a spring.