CN213035783U

CN213035783U - Electronic anti-theft control device for vehicle

Info

Publication number: CN213035783U
Application number: CN202021373176.9U
Authority: CN
Inventors: 付永锋
Original assignee: Suzhou Gongcheng Electrical Technology Co ltd
Current assignee: Suzhou Gongcheng Electrical Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-23
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a vehicle electron anti-theft control device, including the key, the theftproof basic station, control system ECU and battery, the integration of theftproof basic station has the antenna module with key signal connection, first MCU control module with antenna module communication connection, and the first power module who is connected with first MCU control module respectively with awaken up the end interface, control system ECU integration has the second MCU control module with first MCU control module communication connection, the second power module who is connected with second MCU control module and awaken up the reset module that the end interface was connected with second MCU control module and awaken up, when taking place the undervoltage and reset, second MCU control module sends reset control signal and gives reset module, reset module control awakens up the end interface and forces to reset, make first, two MCU control module reestablish communication connection. The control device can effectively solve the defects of secondary authentication result reset and the like caused by over-low voltage reset, and the quality of the starting performance of the vehicle is improved.

Description

Electronic anti-theft control device for vehicle

Technical Field

The utility model relates to a vehicle electron theftproof technical field specifically provides a vehicle electron anti-theft control device.

Background

Fig. 1 shows the operation principle of the electronic anti-theft device for a vehicle in the prior art. The conventional electronic vehicle anti-theft device comprises a key 1, an anti-theft base station 2, a control system ECU3 and a storage battery 4, wherein identity information is stored in the key 1, the control system ECU3 is used for controlling the work of an engine, the anti-theft base station 2 is integrated with an antenna module 20 connected with the key 1 through signals, a first MCU control module 21 in communication connection with the antenna module 20, a first power module 22 and a wake-up end interface 23 which are respectively connected with the first MCU control module 21, the control system ECU3 is integrated with a second MCU control module 30 and a second power module 31 connected with the second MCU control module 30, the second MCU control module 30 is connected with the first MCU control module 21 through coding encryption communication, and the storage battery 4 can supply power to the first power module 22, the wake-up end interface 23 and the second power module 31.

When the key 1 is close to the antenna module 20, a key legal identity authentication (usually, referred to as primary authentication for short) is initiated between the key 1 and the antitheft base station 2, after the primary authentication is passed, the wakeup end interface 23 activates the antitheft base station 2, a secondary authentication is initiated between the antitheft base station 2 and the control system ECU3, after the secondary authentication is passed, the control system ECU3 decrypts successfully, the vehicle identity is legal, and the control system ECU3 controls the engine to operate normally. On the contrary, when the authentication identity of any one of the primary authentication and the secondary authentication is illegal, the control system ECU3 prohibits the provision of the engine start signal, the engine cannot run, and the vehicle cannot be started, thereby achieving the purpose of vehicle theft prevention.

However, during the vehicle starting process, the voltage of the battery 4 may decrease or age, the voltages in the antitheft base station 2 and the control system ECU3 may also decrease with the voltage decrease of the battery, when the voltage is lower than the guaranteed voltage of the first MCU control module 21 and/or the second MCU control module 30 during operation, a reset phenomenon may occur in the first MCU control module 21 and/or the second MCU control module 30, at this time, the secondary authentication result between the antitheft base station 2 and the control system ECU3 may also be reset, and the vehicle may enter an antitheft mode and may not perform the starting control under the condition that the secondary authentication is not passed.

In view of this, the present invention is especially provided.

Disclosure of Invention

In order to overcome the defects, the utility model provides a vehicle electron anti-theft control device, its simple structure, novelty, reasonable can effectively solve because of taking place the voltage low drawback that resets and cause second grade authentication result to reset, the vehicle can't start, fine perfect current vehicle theftproof function's control defect for the quality of vehicle startability obtains further promotion.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: an electronic anti-theft control device for a vehicle comprises a key storing identity information, an anti-theft base station, a control system ECU controlling the work of an engine and a storage battery, wherein the anti-theft base station is integrated with an antenna module in signal connection with the key, a first MCU control module in communication connection with the antenna module, a first power module and a wakeup end interface which are respectively connected with the first MCU control module; the control system ECU is further integrated with a reset module, the reset module is respectively connected with the second MCU control module and the awakening end interface through high/low level signal signaling, and the reset module is further connected with the storage battery; when the electronic anti-theft control device is reset due to too low voltage, the second MCU control module sends a reset control signal to the reset module, and the reset module controls the awakening end interface to be reset forcibly, so that the first MCU control module and the second MCU control module are in communication connection again.

As a further improvement of the present invention, the antenna module is wirelessly connected to the first MCU control module; the first MCU control module is respectively electrically connected with the first power module and the awakening end interface through cables.

As a further improvement of the present invention, the second MCU control module is electrically connected to the second power supply module through a cable.

As a further improvement, the reset module has first resistance and triode, the one end electricity of first resistance is connected in second MCU control module's the control port that resets, the other end electricity of first resistance is connected in the base of triode, and the other end of first resistance with be connected with parallelly connected second resistance and electric capacity between the projecting pole of triode, two branch lines, two are drawn forth to the collecting electrode of triode the branch line respectively with awaken up the end interface with the battery looks electricity is connected.

The utility model has the advantages that: by adding the reset module in the control system ECU, when the electronic anti-theft control device is reset due to too low voltage, the second MCU control module can send a reset control signal to the reset module, the reset module controls the awakening end interface to be reset forcibly according to the reset control signal, so that the first MCU control module and the second MCU control module reestablish communication connection, the first MCU control module initiates secondary authentication to the second MCU control module again, and the vehicle can be started normally after the secondary authentication is passed. Therefore, vehicle electron anti-theft control device can effectively solve because of taking place the voltage low reset and cause the drawback that second grade authentication result resets, the vehicle can't start, fine perfect current vehicle theftproof function's control defect for the quality of vehicle startability obtains further promotion.

Drawings

FIG. 1 is a block diagram illustrating the operation of an electronic anti-theft device for a vehicle according to the prior art;

FIG. 2 is a block diagram of the working principle of the electronic anti-theft control device for vehicle according to the present invention;

fig. 3 is a schematic diagram of a circuit principle of the reset module of the present invention.

The following description is made with reference to the accompanying drawings:

1-a key; 2-anti-theft base station; 20-an antenna module; 21-a first MCU control module; 22 — a first power supply module; 23-wake-up end interface; 3-control system ECU; 30-a second MCU control module; 31 — a second power module; 32-a reset module; 4, storage battery.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "first" and "second" used herein are used for convenience of description and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Example 1:

fig. 2 is a block diagram of the working principle of the electronic anti-theft control device for vehicle according to the present invention.

The utility model discloses a vehicle electron theftproof controlling means is including storing key 1, theftproof basic station 2, the control system ECU3 and the battery 4 of control engine work of identity information, wherein, theftproof basic station 2 integration have with key 1 signal connection's antenna module 20, with antenna module 20 communication connection's first MCU control module 21 and respectively with first power module 22 and awakening up end interface 23 that first MCU control module 21 is connected, control system ECU3 integration has second MCU control module 30 and the second power module 31 that is connected with second MCU control module 30, and second MCU control module 30 with first MCU control module 21 encrypts communication connection through the code, battery 4 can supply power for first power module 22 with second power module 31; particularly, the control system ECU3 further integrates a reset module 32, the reset module 32 is respectively connected to the second MCU control module 30 and the wakeup end interface 23 through high/low level signal signaling, and the reset module 32 is further connected to the battery 4; when the electronic anti-theft control device is reset due to too low voltage, the second MCU control module 30 sends a reset control signal to the reset module 32, and the reset module 32 controls the wakeup end interface 23 to be reset forcibly, so that the first MCU control module 21 and the second MCU control module 30 reestablish communication connection.

In this embodiment, preferably, the antenna module 20 is wirelessly connected to the first MCU control module 21; the first MCU control module 21 is electrically connected to the first power module 22 and the wake-up terminal interface 23 via cables.

Preferably, the second MCU control module 30 is electrically connected to the second power module 31 through a cable.

Preferably, the reset module 32 has a first resistor R1 and a transistor Q1, one end of the first resistor R1 is electrically connected to the reset control port of the second MCU control module 30, the other end of the first resistor R1 is electrically connected to the base of the transistor Q1, a second resistor R2 and a capacitor C1 which are connected in parallel are connected between the other end of the first resistor R1 and the emitter of the transistor Q1, two branch lines are led out from the collector of the transistor Q1, and the two branch lines are electrically connected to the wakeup port 23 and the battery 4, respectively; in particular, reference is made to fig. 3.

Borrow by above-mentioned device structure, can understand the utility model vehicle electron anti-theft control device's theory of operation does: in the voltage recovery process of the battery 4, the control system ECU3 resets, that is, the voltage of the second MCU control module 30 meets the working condition, at this time, the reset control port of the second MCU control module 30 outputs a high level reset signal to turn on the transistor Q1 in the reset module 32, and then the wakeup port 23 is pulled from the high level to the low level, so as to achieve the action of being forcibly reset; subsequently, the first MCU control module 21 reestablishes communication connection with the second MCU control module 30, and the first MCU control module 21 initiates secondary authentication to the second MCU control module 30 again, so that the vehicle can be started normally after the secondary authentication is passed.

Therefore, vehicle electron anti-theft control device can effectively solve because of taking place the voltage low reset and cause the drawback that second grade authentication result resets, the vehicle can't start, fine perfect current vehicle theftproof function's control defect for the quality of vehicle startability obtains further promotion.

The above embodiments are merely illustrative of the efficacy of the present invention, and not intended to limit the present invention, and it should be noted that, for those skilled in the art, a number of modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be considered as within the scope of the present invention.

Claims

1. The utility model provides a vehicle electron theftproof controlling means, including key (1) that the storage has identity information, theftproof base station (2), control system ECU (3) and battery (4) of control engine work, wherein, theftproof base station (2) integrate with antenna module (20) of key (1) signal connection, with antenna module (20) communication connection's first MCU control module (21) and respectively with first power module (22) and awakening up end interface (23) that first MCU control module (21) is connected, control system ECU (3) integration have second MCU control module (30) and with second power module (31) that second MCU control module (30) is connected, just second MCU control module (30) with first MCU control module (21) is through the encrypted communication connection of code, battery (4) can supply power for first power module (22) with second power module (31) (ii) a The method is characterized in that: the control system ECU (3) is further integrated with a reset module (32), the reset module (32) is respectively connected with the second MCU control module (30) and the awakening end interface (23) through high/low level signal signaling, and the reset module (32) is further connected with the storage battery (4); when the electronic anti-theft control device is reset due to too low voltage, the second MCU control module (30) sends a reset control signal to the reset module (32), and the reset module (32) controls the awakening end interface (23) to be reset forcibly, so that the first MCU control module (21) and the second MCU control module (30) are in communication connection again.

2. The vehicle electronic theft prevention control device according to claim 1, characterized in that: the antenna module (20) is wirelessly connected with the first MCU control module (21); the first MCU control module (21) is electrically connected with the first power supply module (22) and the awakening end interface (23) through cables.

3. The vehicle electronic theft prevention control device according to claim 1, characterized in that: the second MCU control module (30) is electrically connected with the second power supply module (31) through a cable.

4. The vehicle electronic theft prevention control device according to claim 1, characterized in that: the reset module (32) is provided with a first resistor (R1) and a triode (Q1), one end of the first resistor (R1) is electrically connected to a reset control port of the second MCU control module (30), the other end of the first resistor (R1) is electrically connected to a base electrode of the triode (Q1), a second resistor (R2) and a capacitor (C1) which are connected in parallel are connected between the other end of the first resistor (R1) and an emitter electrode of the triode (Q1), two branch lines are led out from a collector electrode of the triode (Q1), and the two branch lines are respectively and electrically connected with the awakening terminal port (23) and the storage battery (4).