CN211252475U

CN211252475U - Car is with bluetooth low energy accuse car device

Info

Publication number: CN211252475U
Application number: CN201920970962.8U
Authority: CN
Inventors: 黄海达
Original assignee: Taihe Hanchuang Automobile Engineering Technology Wuhan Co ltd
Current assignee: Taihe Hanchuang Automobile Engineering Technology Wuhan Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-08-14
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a low-power consumption Bluetooth vehicle control device for automobiles, which comprises a device body, wherein the device body is arranged on a vehicle central control platform, one side of the device body is provided with a sensor interface, the surface of the device body is provided with a display screen box alarm indicator lamp, the inner cavity of the device body is provided with a control circuit board, the control circuit board is provided with a CPU processor, a sensing signal acquisition module, a Bluetooth module, a storage module, a comparison module, an alarm module and a control module, the input end of the sensing signal acquisition module is respectively connected with a tire pressure sensor, a temperature sensor and a gyroscope sensor which are arranged on the vehicle, the output end of the sensing signal acquisition module is connected with the CPU processor, the CPU processor is respectively connected with the storage module, the comparison module, the alarm module and the control module, the utility model has simple structure principle and high intelligent degree, and realizes the functions, has the advantages of intellectualization, high integration degree, convenient use and the like.

Description

Car is with bluetooth low energy accuse car device

Technical Field

The utility model relates to a bluetooth accuse car technical field specifically is a bluetooth low energy accuse car device for car.

Background

The traditional automobile key system mainly realizes the most basic functions of opening and closing an automobile door, starting an automobile and the like, and obviously, the function of the traditional key at present can not meet the control requirement of a user on the automobile.

Disclosure of Invention

An object of the utility model is to provide a bluetooth low energy accuse car device for car to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a car is with bluetooth of low energy accuse car device, includes the device body, the device body is installed in the car on the accuse platform, device body one side is equipped with the sensor interface, device body surface mounting has display screen box alarm indicator, device body inner chamber is equipped with control circuit board, last CPU treater, sensing signal acquisition module, bluetooth module, storage module, comparison module, alarm module, control module and the module of encrypting and decrypting of being equipped with of control circuit board, sensing signal acquisition module input is connected respectively and is installed tire pressure sensor, temperature sensor and the gyroscope sensor on the car, and the output is connected with the CPU treater, storage module, comparison module, alarm module, control module and the module of encrypting and decrypting are connected respectively to the CPU treater, the CPU treater passes through bluetooth module and connects the cell-phone terminal, control module connects vehicle air conditioner controller respectively, A door controller and a window controller.

Preferably, the sensing signal acquisition module comprises a first operational amplifier, a second operational amplifier variable capacitor A and a variable capacitor B, one pin of the first operational amplifier is respectively connected with one end of a resistor A, one end of a capacitor A, one end of a variable capacitor A and one end of a capacitor A, the other end of the capacitor A is connected with a signal access end, two pins of the first operational amplifier are respectively connected with one end of a resistor A and one end of a capacitor C, three pins are respectively connected with one end of an inductor A and one end of a capacitor B, the other end of the resistor A is connected with a fifth pin of the first operational amplifier, six pins are respectively connected with one end of a resistor B, one end of a variable capacitor B and one end of the inductor B, seven pins are connected with the other end of the inductor B, eight pins are connected with the negative end of a power supply, the positive input end of the second operational amplifier is connected with the fifth pin of the first operational amplifier, the negative input end of the second operational amplifier is connected with the eighth pin of the first operational amplifier, and the output end of the second operational amplifier is a signal output end.

Preferably, the bluetooth module adopts an FSC901 bluetooth chip.

Preferably, the type of the encryption and decryption module adopts ATSHA 204.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses the structure principle is simple, and intelligent degree is high, realizes having advantages such as intelligent, the degree of integrating is high, convenient to use to functions such as car switch door, lift window, trouble suggestion, data acquisition display. The bluetooth chip of adoption, low-power consumption, small size, low price receives the interference of environment little, and stability is strong, can make the operation more stable.

(2) The utility model discloses a sensing signal collection module can filter the signal of sensor, and is anti-interference to improve sensor signal transmission quality and transmission rate, further improve monitoring efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a control schematic block diagram of the present invention;

fig. 3 is a circuit diagram of the sensing signal acquisition module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a low-power consumption Bluetooth vehicle control device for an automobile comprises a device body 1, wherein the device body 1 is installed on a vehicle central control platform, a sensor interface 2 is arranged on one side of the device body 1, a display screen 3 and an alarm indicator lamp 4 are installed on the surface of the device body 1, a control circuit board 5 is arranged in an inner cavity of the device body 1, a CPU (central processing unit) processor 6, a sensing signal acquisition module 7, a Bluetooth module 8, a storage module 9, a comparison module 10, an alarm module 11, a control module 12 and an encryption and decryption module 17 are arranged on the control circuit board 5, the input end of the sensing signal acquisition module 7 is respectively connected with a tire pressure sensor 18, a temperature sensor 15 and a gyroscope sensor 16 which are installed on the automobile, the output end of the sensing signal acquisition module is connected with the CPU processor 6, the CPU processor 6 is respectively connected with the storage module 9, the comparison module 10, the CPU 6 is connected with a mobile phone terminal 19 through a Bluetooth module 8, and the control module 12 is respectively connected with a vehicle-mounted air conditioner controller 20, a vehicle door controller 21 and a vehicle window controller 22; wherein, bluetooth module 8 adopts FSC901 bluetooth chip, and the encryption and decryption module 17 model adopts ATSHA204, the bluetooth chip of adoption, low-power consumption, small size, low price, it is little to receive the interference of environment, and stability is strong, can make the operation more stable.

The gyroscope sensor 16 adopts MPU-6050, and MPU-6050 is a six-axis motion processing assembly which integrates a three-axis gyroscope, a three-axis accelerator and a single chip globally for the first example, and is built in with a digital motion processing assembly and a nine-axis motion sensing fusion calculation technology. The chip is provided with a built-in 16 bit AD converter, has 16 bit data output and adopts a standard I2C communication protocol. The range of the gyro sensor of MPU-6050 is + -250 °/s, + -500 °/s, + -1000 °/s and + -2000 °/s, and can accurately track fast and slow motions, and the range of the accelerometer is + -2 g, + -4 g, + -8 g and + -16 g. And calculating to obtain an Euler angle, setting an early warning threshold value, performing early warning prompt when the Euler angle exceeds the threshold value, recording data of the trigger point in the first 60 seconds and data of the trigger point in the last 60 seconds in a high-frequency mode, storing the data locally and sending the data to a platform for model calculation.

In the utility model, the sensing signal collecting module 7 comprises a first operational amplifier 13, a second operational amplifier 14, a variable capacitor A1d and a variable capacitor B2d, one leg of the first operational amplifier 13 is respectively connected with one end of a resistor A1a, one end of a capacitor A1B, one end of a variable capacitor A1d and one end of a capacitor A1B, the other end of the capacitor A1B is connected with a signal access end, two legs of the first operational amplifier 13 are respectively connected with one end of a resistor A1a and one end of a capacitor C3B, the three legs are respectively connected with one end of an inductor A1C and one end of a capacitor B2B, the other end of the resistor A1a is connected with a fifth leg of the first operational amplifier 13, the six legs are respectively connected with one end of a resistor B2a, one end of a variable capacitor B2d and one end of an inductor B2C, the seven legs are connected with the other end of an inductor B2C, the eight legs is connected with a power supply negative terminal, the positive input terminal of the second operational, the output end of the second operational amplifier 14 is a signal output end. The utility model discloses a sensing signal collection module can filter the signal of sensor, and is anti-interference to improve sensor signal transmission quality and transmission rate, further improve monitoring efficiency.

The working principle is as follows: when the vehicle starts, cell-phone APP gathers vehicle data and controllable vehicle, and when the vehicle was in the stop, bluetooth accuse car device was in order to get into the sleep mode to keep data broadcast, must immediately activate when having cell-phone APP to connect and realize controlling the vehicle, accuse car data adoption AES encryption algorithm. A timely response must be made.

To sum up, the utility model discloses the structure principle is simple, and intelligent degree is high, realizes having advantages such as intelligent, the degree of integrating is high, convenient to use to functions such as automobile switch door, lift window, fault indication, data acquisition display.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a bluetooth low energy accuse car device for car, includes device body (1), its characterized in that: device body (1) is installed in the car on the accuse platform, device body (1) one side is equipped with sensor interface (2), device body (1) surface mounting has display screen (3) and warning pilot lamp (4), device body (1) inner chamber is equipped with control circuit board (5), be equipped with CPU treater (6), sensing signal acquisition module (7), bluetooth module (8), storage module (9), comparison module (10), alarm module (11), control module (12) and encryption and decryption module (17) on control circuit board (5), tire pressure sensor (18), temperature sensor (15) and gyroscope sensor (16) of installing on the car are connected respectively to sensing signal acquisition module (7) input, and CPU treater (6) are connected respectively storage module (9), CPU treater (6), The intelligent vehicle door control system comprises a comparison module (10), an alarm module (11), a control module (12) and an encryption and decryption module (17), wherein the CPU processor (6) is connected with a mobile phone terminal (19) through a Bluetooth module (8), and the control module (12) is respectively connected with a vehicle-mounted air conditioner controller (20), a vehicle door controller (21) and a vehicle window controller (22).

2. The bluetooth low energy vehicle control device for the vehicle according to claim 1, characterized in that: the sensing signal acquisition module (7) comprises a first operational amplifier (13), a second operational amplifier (14), a variable capacitor A (1d) and a variable capacitor B (2d), wherein one pin of the first operational amplifier (13) is respectively connected with one end of a resistor A (1a), one end of a capacitor A (1B), one end of the variable capacitor A (1d) and one end of the capacitor A (1B), the other end of the capacitor A (1B) is connected with a signal access end, two pins of the first operational amplifier (13) are respectively connected with one end of the resistor A (1a) and one end of a capacitor C (3B), three pins are respectively connected with one end of an inductor A (1C) and one end of a capacitor B (2B), the other end of the resistor A (1a) is connected with a fifth pin of the first operational amplifier (13), and six pins are respectively connected with one end of a resistor B (2a), one end of the variable capacitor B (2d) and one end of an inductor B (2C), the seven pin is connected with the other end of the inductor B (2c), the eight pin is connected with the negative end of the power supply, the positive input end of the second operational amplifier (14) is connected with the five pin of the first operational amplifier (13), the negative input end of the second operational amplifier is connected with the eight pin of the first operational amplifier (13), and the output end of the second operational amplifier (14) is a signal output end.

3. The bluetooth low energy vehicle control device for the vehicle according to claim 1, characterized in that: the Bluetooth module (8) adopts an FSC901 Bluetooth chip.

4. The bluetooth low energy vehicle control device for the vehicle according to claim 1, characterized in that: the type of the encryption and decryption module (17) adopts ATSHA 204.