CN116476619A

CN116476619A - Intelligent anti-pinch solar car cover device outside car

Info

Publication number: CN116476619A
Application number: CN202111494668.2A
Authority: CN
Inventors: 程贤福; 曾维成; 李晓静
Original assignee: East China Jiaotong University
Current assignee: East China Jiaotong University
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2023-07-25

Abstract

The invention provides a car cover, which belongs to a new technology in the field of car protection, and comprises a car cover box (6), wherein a first driving mechanism (14) pushes out the car cover box, a channel steel (9) is arranged on a sliding rail (16), the channel steel (9) stretches out towards two sides, a spring (3) on a sliding rod shaft (15) is released to push a sliding block (5) on the sliding rod shaft to move forwards, the sliding block drives a rocker (11) to prop up an electric push rod (2), a guide hole is formed in the bottom of the electric push rod (2) and moves along a guide ring (10), until the two electric push rods (2) are completely popped up, so that the electric push rod (2) can conveniently pull the car cover (12) to cover a car body, a rotating motor (7) drives the electric push rod (2) to rotate, and each time the electric push rod (2) rotates a certain angle, the electric push rod (2) pushes out an inner secondary push rod (1), and pulls the car cover (12) to cover the whole car surface. The back of the car cover box (6) is provided with a high-pressure water gun (4) and an ultrasonic sensor device (8), the car cover can be cleaned and the obstacle collision can be avoided, and the end part of the sliding block (5) is provided with a jacking block (13) for supporting the electric push rod (2).

Description

Intelligent anti-pinch solar car cover device outside car

Technical Field

The invention belongs to the field of automobile equipment.

Background

Automobile hoods are used to protect the body of a vehicle from damage due to the external environment when the vehicle is parked outdoors. Under the condition of no indoor garage, dead leaves and dust can be accumulated on the outdoor vehicle after long-time parking, the subsequent cleaning of the vehicle is very inconvenient, and the cost is high. Under severe weather, such as exposure to sunlight, acid rain, hail, gravel and the like, can cause accelerated aging of the vehicle paint, the glossiness of the original vehicle paint is reduced, and the probability of the vehicle body which is parked outdoors being scratched by people or accidents is high. The vehicle cover can greatly reduce the probability of damage to the vehicle. Moreover, the device compares traditional manual car cover and semi-automatic car cover, labour saving and time saving, operation safety.

Disclosure of Invention

As another embodiment of the application, a solar charging and discharging module is arranged on the vehicle cover, before a vehicle owner remotely controls the vehicle cover to open, the system can utilize an illumination sensor to judge whether the sunlight is sufficient in the same day, if the sunlight is sufficient, then judge whether the voltage of the storage battery reaches an overcharge point, if the voltage reaches the overcharge point, the charging is stopped, and the damage of the battery caused by the overcharge is prevented; if the charging point is not reached, judging whether the maintaining voltage of the storage battery is larger than the current voltage, judging the charging mode, and finally, fully charging the storage battery. In the figure, a photovoltaic lighting board is stuck on the vehicle cover.

As another embodiment of the application, the brushless DC stepping motor based on the sensorless is adopted, the position of the electric push rod is monitored by utilizing the periodic characteristic of ripple signals, when the motor rotates for one circle, the number of ripple current ripples generated in the circuit is fixed, the acquired ripple current signals are amplified, filtered and the like to finally generate readable pulse level signals, the readable pulse level signals are transmitted to the MCU, the data are transmitted to the singlechip after being processed by the MCU, and the singlechip processes the data and transmits the data to the execution mechanism, so that the aim of monitoring the position of the electric push rod in real time is fulfilled. In addition, when the electric push rod pulls the car cover to cover the car body, if the electric push rod encounters an obstacle, the rotating speed of the motor is reduced, thus the ripple current component of the motor circuit is suddenly increased, and two storage units for storing current values are arranged, namely instant current I _m One is the reference current I _ref And a current threshold value is preset, in the normal operation process of the motor, the two currents are equal to the actual current of the motor at the moment, the difference is not large, when the motor is blocked, the instant current can be increased, the reference current is still the current of the motor in normal operation and is stored in the storage unit until the difference value of the reference current and the reference current is larger than the preset current threshold value, the singlechip sends a locking instruction to the execution mechanism and sends an instruction to the loudspeaker, and the situation that an obstacle exists in front is indicated.

As another embodiment of the application, this integration car cover railway carriage or compartment is equipped with two high-pressure water pipes, can carry out the spray rinsing to the car cover, when car owner remote control, when opening car cover spray rinsing module, the in-tank position sensor judges whether the water yield is sufficient in the jar this moment, and when the in-tank water yield is sufficient, the device can open the washing mode voluntarily, and electric putter props up the car cover, and the squirt carries out the spray rinsing to the car cover, erodees, if the water yield is not enough in the jar, and buzzer warning suggestion car owner washes by water.

As another embodiment of the application, besides two ultrasonic sensors at the tail of the automobile, ultrasonic sensors are arranged at the two sides and the front of the automobile, and the sensors can sense the environment beside the automobile and transmit the environment to the wireless controller, so that an automobile owner can judge whether the automobile cover is to be opened or not.

As another embodiment of the application, the car cover box is integrally designed, pushed out by the first driving mechanism, the structure of the car cover box bottom plate is designed into a grid shape, accumulated water can be discharged to the road surface when the car cover is sprayed, and the first driving mechanism supports the car cover box bottom plate, so that the car cover box bottom plate is high in strength and good in durability.

The vehicle cover provided by the invention has the beneficial effects that: compared with the modern technology, the car cover adopts a modularized design, and comprises an ultrasonic radar ranging module, a noninductive anti-clamping module, a high-pressure spray washing module and the like, which can be selectively disassembled, and the completion of the action of automatically covering the car body by the whole car cover is not influenced. The invention also provides a military radar-proof coating for the car cover spraying material, so as to achieve the effect of concealing the military car in maneuver operation.

Drawings

In order to more clearly illustrate the technical solutions in the practice of the present invention, the following description will be given simply with reference to the accompanying drawings, which are used in the description of the embodiments or the prior art, and it is obvious that the following description is only some examples of the present invention, and that other drawings can be obtained according to these drawings without the need of inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an example of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

the top view of the whole car after the car cover in fig. 4 is covered;

FIG. 5 is an enlarged view of the detail position of FIG. 4;

in the figure, 1. A secondary push rod; 2. an electric push rod; 3. a spring; 4. high-pressure water gun; 5. a slide block; 6. a vehicle cover box; 7. a rotating electric machine; 8. an ultrasonic sensor; 9. channel steel; 10. a guide ring; 11. a remote rod; 12. a vehicle cover; 13. a protrusion mechanism; 14. a first driving mechanism; 15. a slide bar shaft; 16. a slide rail; 17. a second driving mechanism; 18. a locking mechanism.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, an automobile provided by the present invention will now be described: the car cover box 6 is fixedly connected with a first driving mechanism 14, the first driving mechanism pushes out of the car cover box 12, and the first driving mechanism 14 also plays a role in supporting the whole car cover box 6.

The small wheels are arranged on the channel steel 9, the wheels move on the sliding rails 16, the channel steel 9 can push the electric push rod 2 and the rotating motor 7 out to two sides, and the situation that the vehicle cover 12 is not interfered with the whole vehicle when being opened is guaranteed.

Referring to fig. 2 to 5, a wedge key is mounted on the slide bar shaft 15, one end of the spring 3 is connected to a bottom plate at the end of the slide bar shaft, the other end is connected to the slide block 5, a pit is formed on the surface of the slide block 5, and a reed is embedded in the pit and can cooperate with the wedge key to limit the slide bar shaft 15.

Referring to fig. 2 to 5, the secondary push rod 1 is disposed inside the electric push rod 2, and when the rotating motor 7 rotates for a certain angle, the electric push rod 2 extends out of each level of push rod, and the device reacts quickly.

Referring to fig. 2 to 5, the motor inside the electric push rod 2 uses the ripple technology to perform non-sensing anti-pinch, when the secondary push rod 1 encounters an obstacle, the motor is reversed, and the secondary push rod 1 is retracted.

Referring to fig. 4 to 5, the rocker 11, the slider 5, the slide bar shaft 15 and the electric push rod 2 form a four-bar linkage, one end of the rocker 11 is connected with the slider 5, the other end is connected with the lifting lug of the electric push rod 2, and the spring 3 can be released and pulled back to eject and retract the electric push rod 2. The device is simple and inexpensive.

Referring to fig. 2 to 5, two ultrasonic sensors 8 are mounted at the tail of the car cover box 6, so that the design can effectively reduce the collision times between the car cover box and the obstacle, and has a safety protection function.

Referring to fig. 1, the white coating is used on the surface of the vehicle cover 12 to reflect a part of ultraviolet rays, the vehicle cover is filled with gas and isolated from the surface of the vehicle, breeze can blow through, and most of heat drifts away with the wind and cannot be transmitted into the vehicle. The temperature in the car is not too high through ultraviolet reflection and heat isolation, so that articles in the car and car parts are protected, and the service life of the car is prolonged.

The stepping motor master control singlechip adopts an STM32 singlechip, and the output two paths of voltages of the chip power supply module are respectively

+12v and +3.3v. +12V is used for peripheral equipment power supply, and +3.3V is used for singlechip power supply.

Referring to fig. 3 to 4, after the car cover 12 is opened, when the car cover 12 is supported forward by the electric push rod 2, the slider 5 mounted on the slide rod shaft 15 rotates to drive the rocker 11 to rotate, so as to realize the stable whole falling action of the car cover.

Referring to fig. 1 to 3, after the vehicle cover 12 is opened, the high-pressure water gun 4 can flush the vehicle cover 12, and the bottom plate of the vehicle cover box 6 is designed to be a net structure, so as to play a role in drainage.

Referring to fig. 3 to 4, after the vehicle body is covered by the vehicle cover 12, the locking mechanism 18 extends to both sides to lock the whole vehicle cover.

Referring to fig. 4 to 5, a second driving mechanism 17 is mounted on the car cover box to drive the channel steel 9 to slide forward along the sliding rail 16, so as to avoid scratching the car body when the electric push rod is lowered.

Claims

1. An outer intelligent anti-pinch solar car cover device of car, which is characterized by comprising: the automobile comprises an automobile body, a secondary push rod, an electric push rod arranged on a rotating motor, a spring arranged on a slide rod shaft, a high-pressure water gun, a slide block, an automobile cover box, a rotating motor arranged at the end part of a channel steel, an ultrasonic sensor arranged at the back of the automobile cover box, the channel steel, a guide ring, a remote rod, one end of the remote rod is connected with a lifting lug on the slide block, one end of the remote rod is connected with the lifting lug on the electric push rod, and the automobile cover is arranged on the secondary push rod; the protruding mechanism, the first driving mechanism, the second driving mechanism, the slide shaft and the slide rail are matched with the car cover through screws.

2. The vehicle cover device according to claim 1, wherein the first driving mechanism is used for driving the extension and retraction of a vehicle cover box, and the vehicle cover box is connected with the vehicle frame through the first driving mechanism; the sliding rail is arranged on the bottom plate of the car cover box, the lower side of the channel steel is provided with small wheels which can slide left and right on the sliding rail, and the channel steel stretches out under the drive of the second driving mechanism; the ultrasonic sensor is arranged on the back of the car cover box and the side door of the car body and used for monitoring whether an obstacle exists beside the car or not and avoiding when the car cover box stretches out and the car cover is opened.

3. The vehicle cover device according to claim 1, wherein the slide bar shaft is fixed on the vehicle cover box bottom plate, and comprises an end bottom plate which is semicircular and is used for fixing one end of the spring, the other end of the spring is connected with the slide block, and the slide block can move and rotate on the slide bar shaft. And the wedge key is arranged on the slide rod shaft and close to the end bottom plate and used for realizing release and locking of the spring and realizing quick ejection of the slide block on the slide rod shaft.

4. The car cover device as set forth in claim 1, wherein the bottom end of the electric push rod is provided with a small hole to be matched with the guide ring, and the guide ring is used for stably moving to a designated position when the electric push rod is ejected by the spring. The electric push rod is internally provided with a first driving rod, a second driving rod, a third driving rod and the top of the third driving rod which are connected with the car cover.

5. The car cover of claim 1, wherein the rotating motor is arranged at the end part of the channel steel, the other end of the rotating motor is rotationally connected with the electric push rod, one end of the rocker is connected with the lifting lug on the sliding block, and the other end of the rocker is connected with the electric push rod through the lifting lug, so that the stable rotation of the electric push rod is realized.

6. The vehicle cover apparatus of claim 1, including a locking mechanism having a U-shape and mounted at the bottom end of the front bumper of the vehicle to automatically extend toward both sides, wherein the U-shape locking mechanism locks the ends of the third driving levers, respectively, after the vehicle cover covers the vehicle body.

7. The car cover device according to claim 1, comprising a high-pressure water gun which is arranged on the inner side of the car cover box and consists of a base and a spray head, wherein the spray head can rotate at a certain angle, and when the electric push rod pops up, the car cover is opened, and the high-pressure water gun is used for cleaning the car cover in all directions.

8. The car cover device according to claim 1, wherein the electric push rod can retract the first driving rod, the second driving rod and the third driving rod, the rotating motor can rotate reversely, the sliding block can slide on the sliding rod shaft, the sliding block compresses the spring, a groove is formed in the sliding block and is matched with a wedge key on the sliding rod shaft, the electric push rod can be retracted, and the whole car cover can be retracted.