CN113538737A - Anti-theft intelligent automobile key expansion seat - Google Patents
Anti-theft intelligent automobile key expansion seat Download PDFInfo
- Publication number
- CN113538737A CN113538737A CN202110410797.2A CN202110410797A CN113538737A CN 113538737 A CN113538737 A CN 113538737A CN 202110410797 A CN202110410797 A CN 202110410797A CN 113538737 A CN113538737 A CN 113538737A
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- key
- theft
- car key
- control circuit
- docking station
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- 238000003032 molecular docking Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 15
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- 230000007547 defect Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
Abstract
本发明的技术目的是提供一种提升防盗性能的防盗智能汽车钥匙扩展座。包括有一扩展座外壳；所述扩展座外壳中设置有一容纳汽车钥匙的适形腔体，在所述适形腔体的一侧设置有扩展座控制电路，扩展座控制电路包括有电源电路及MCU芯片；所述电源电路连接电池及USB接口；扩展座控制电路中的MCU芯片通过IO口连接选择开关机构，所述选择开关机构包括有电子开关、汽车钥匙的按键接口及与所述按键接口对应的物理按键，所述物理按键设于扩展座外壳上；MCU芯片连接有显示屏，扩展座控制电路包括有蓝牙接收器，所述蓝牙接收器与车载蓝牙发射器无线连接，车载蓝牙发射器由车载OBD接口供电。本发明防盗性能极佳，适用于汽车钥匙中使用。
The technical purpose of the present invention is to provide an anti-theft smart car key extension base with improved anti-theft performance. It includes an expansion base shell; the expansion base shell is provided with a conformal cavity for accommodating a car key, and an expansion base control circuit is arranged on one side of the conformable cavity, and the expansion base control circuit includes a power supply circuit and an MCU chip; the power circuit is connected to the battery and the USB interface; the MCU chip in the control circuit of the docking station is connected to the selection switch mechanism through the IO port, and the selection switch mechanism includes an electronic switch, a button interface of the car key and a button interface corresponding to the button interface The physical button is set on the shell of the docking station; the MCU chip is connected with a display screen, and the control circuit of the docking station includes a Bluetooth receiver, and the Bluetooth receiver is wirelessly connected with the vehicle-mounted Bluetooth transmitter, and the vehicle-mounted Bluetooth transmitter is composed of Car OBD interface power supply. The invention has excellent anti-theft performance and is suitable for use in car keys.
Description
Technical Field
The invention relates to an automobile key, in particular to an expansion seat for the automobile key.
Background
In the prior art, the original automobile key can realize few functions, only can be used for closing and opening the automobile door and the trunk when approaching the automobile, and the more humanized function of automatically opening the automobile door when approaching the automobile cannot be realized, so that the automobile key is modified and the function expansion technology is developed. The expansion function of the automobile key is generally realized by arranging an expansion box in an automobile carriage, wherein an automobile original electronic key is connected in the expansion box, and the expansion box is remotely controlled by a remote controller wirelessly connected with the expansion box to control the automobile original electronic key, so that the functions of opening and closing an automobile door and opening and closing a trunk are realized. Because the extension box is inconvenient to carry, the extension box can only be arranged in a carriage of the automobile, and an original automobile key connected with the extension box is also arranged in the automobile. The technical defect of the expansion scheme of the car key is that the anti-theft performance is poor, and the car key can be controlled to open and close the car door to drive the car away only by cracking the electronic key of the expansion box provider. In fact, the anti-theft technology is best to be the original key of the automobile configured by the original automobile factory, which is equivalent to the automobile key expansion box arranged in the automobile in the prior art, and the anti-theft performance set by the original automobile factory is reduced. In addition, an extension box and a remote controller for remotely controlling the extension box are required to be arranged, so that the cost is high, the scheme is complicated and is easy to break down, and the power supply schemes of the extension box and the remote controller also need a high-cost guarantee system. The technical defects of poor anti-theft performance and high cost exist in the automobile key expansion scheme in the prior art, and the automobile key expansion scheme becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The technical purpose of the invention is to overcome the technical defects of high cost and poor anti-theft performance of the function expansion technology of the automobile key in the prior art; the anti-theft intelligent automobile key expansion seat has the advantages that the automobile door can be automatically opened close to the automobile, the automobile door can be automatically locked away from the automobile, the cost is low, the technology is reliable, the refit is convenient and rapid, the safety factor is high, and the anti-theft performance is improved.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
the anti-theft intelligent automobile key expansion seat comprises an expansion seat shell; a conformal cavity for accommodating an automobile key is arranged in the extension seat shell, an extension seat control circuit is arranged on one side of the conformal cavity, and the extension seat control circuit comprises a power supply circuit and an MCU chip; the power circuit is connected with the battery and the USB interface; the MCU chip in the control circuit of the expansion seat is connected with a selection switch mechanism through an IO port, the selection switch mechanism comprises an electronic switch, a key interface of an automobile key and a physical key corresponding to the key interface, and the physical key is arranged on the shell of the expansion seat; the MCU chip is connected with the display screen, and extension seat control circuit is including bluetooth receiver, bluetooth receiver and on-vehicle bluetooth transmitter wireless connection, on-vehicle bluetooth transmitter are by on-vehicle OBD interface power supply.
Furthermore, the display screen is a touch display screen, the touch display screen is provided with a touch key module of a switch, and the touch key module sends a corresponding instruction to the MCU chip to operate the switch lock of the automobile through a corresponding electronic switch.
Furthermore, the vehicle-mounted Bluetooth transmitter is in wired connection with a vehicle-mounted expansion seat control circuit, the vehicle-mounted expansion seat control circuit is only in wired connection with a vehicle-mounted automobile key closing door key interface, the Bluetooth receiver is disconnected from the vehicle-mounted Bluetooth transmitter through Bluetooth and sends a disconnection signal, and then the MCU chip of the vehicle-mounted expansion seat control circuit controls the automobile door to be locked through controlling the automobile key.
Furthermore, the key interfaces of the automobile key are respectively provided with an opening door interface, a closing door interface and a trunk switch interface.
Furthermore, the MCU chip acquires the number of steps of the pedometer in the past 1 minute, the battery voltage parameter, the on-off state of the Bluetooth signal and the accumulated time after the last switching operation, and one or any combination of the four indexes is used as a judgment standard for selecting physical key control or electronic switch control by the selection switch mechanism.
Furthermore, the MCU chip is connected with a pedometer.
Furthermore, the MCU chip is connected with a multifunctional key.
Furthermore, the MCU chip is connected with a car owner telephone identification display screen.
The anti-theft method of the anti-theft intelligent automobile key expansion seat is characterized by comprising the following steps:
b. a Bluetooth receiver on the anti-theft intelligent automobile key expansion seat is connected with a vehicle-mounted Bluetooth transmitter through a signal;
b. a circuit board on the anti-theft intelligent automobile key expansion seat sends a signal to an automobile key opening door button;
c. the automobile key opens the automobile door;
d. a Bluetooth receiver on the anti-theft intelligent automobile key expansion seat and a vehicle-mounted Bluetooth transmitter disconnect signals;
e. a circuit board on the anti-theft intelligent automobile key expansion seat sends a signal to a door closing button of an automobile key;
f. closing the vehicle door;
furthermore, between the step a and the step b, in a control circuit on the anti-theft intelligent automobile key expansion seat, the MCU traces the number of steps of the pedometer within the past limited time, and if the number of steps is within the set limited time, the step b is carried out.
Further, the limited time is 0 to 1 minute and the number of steps is 1 to 90 steps.
Furthermore, in a control circuit on the anti-theft intelligent automobile key expansion seat between the step d and the step e, the MCU traces back the number of steps of the pedometer within the past limited time, and if the number of steps is within the set limited time, the step e is carried out.
Further, the time is limited to 0 to 1 minute and the number of steps is 0 to 10 steps.
The beneficial technical effects of the invention are as follows: the vehicle-mounted expansion seat control circuit has no unlocking function, only has a locking function, has excellent anti-theft performance, and realizes automatic one-way door opening when approaching the vehicle and automatic two-way door locking when leaving the vehicle; simple structure, low in production cost and reliable technique have promoted the theftproof performance. The vehicle information and the key are subjected to lossless and intelligent butt joint, corresponding parts of an original vehicle do not need to be disassembled, and the zero risk is safer; the line uses the original car key switch and RK2018 chip to realize the function through the function of an electronic switch chip (SGM 3001); the power distribution application adopts the priority of the original vehicle key, and the backlight power supply of the display screen is closed when the electric quantity is insufficient, so that the power supply is reminded, and the normal use of the original vehicle key is ensured. Before closing the door or opening the door, the MCU reads the instant steps of the traced car owner so as to determine that the car door is normally opened and closed, and loss caused by opening and closing the car door due to misjudgment of other reasons is prevented.
Drawings
FIG. 1 is a schematic structural diagram of an anti-theft smart car key expansion seat according to the present invention;
FIG. 2 is a block diagram of the structure of the anti-theft smart car key expansion seat of the present invention;
FIG. 3 is a schematic diagram of a portion of the circuitry of the docking station control circuit of the present invention;
FIG. 4 is a circuit schematic of a USB interface;
FIG. 5 is a circuit schematic of the clock circuit of the present invention;
fig. 6 is a schematic circuit diagram of the power supply circuit of the present invention.
Detailed Description
Example 1
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, without limiting the scope of the invention in any way. As shown in fig. 2, the invention provides an anti-theft smart car key expansion seat, which comprises an expansion seat shell, an MCU, a bluetooth receiver, physical keys, a battery, a USB interface, a pedometer, a clock circuit and a display screen. The MCU the bluetooth receiver the battery, the pedometer and the clock circuit are accomodate in the extension seat shell, the physics button USB interface and the display screen set up respectively in on the extension seat shell, the car key is accomodate in the extension seat shell and through electronic switch with MCU connects. The MCU is an RK2018 chip, a control circuit of the MCU is shown in fig. 3, a circuit diagram of the USB interface is shown in fig. 4, and a circuit diagram of the clock circuit is shown in fig. 5.
Referring to fig. 1-3, the anti-theft smart car key expansion seat of the present invention comprises an expansion seat housing; a conformal cavity for accommodating an automobile key is arranged in the extension seat shell, an extension seat control circuit is arranged on one side of the conformal cavity, and the extension seat control circuit comprises a power supply circuit and an MCU chip; the power circuit is connected with the battery and the USB interface; the MCU chip in the control circuit of the expansion seat is connected with a selection switch mechanism through an IO port, the selection switch mechanism comprises an electronic switch, a key interface of an automobile key and a physical key corresponding to the key interface, and the physical key is arranged on the shell of the expansion seat; when the automobile key is implemented, the selection switch mechanism can send a signal to the electronic switch through the expansion seat control circuit after being switched on and off through the Bluetooth signal, and instructs a key interface of the automobile key to open an automobile door, close the automobile door or open and close a trunk; the physical keys on the shell of the expansion seat can also directly control the key interfaces of the automobile keys to open and close the automobile door or open and close the trunk; the electronic switch and the physical keys are in parallel connection and respectively control key interfaces of the automobile key; the MCU chip acquires the voltage of the battery, and when the voltage is lower than a set parameter, the selection switch mechanism selects a physical key to control a corresponding automobile key interface; when the battery voltage parameter is normal, the selection switch mechanism selects the key interface of the automobile key controlled by the electronic switch; in one embodiment, the MCU chip obtains the number of steps of the pedometer in the past 1 minute, the battery voltage parameter, the on/off state of the Bluetooth signal and the accumulated time after the last switching operation, and one or any combination of the four indexes is used as a judgment standard for selecting physical key control or electronic switch control by the selection switch mechanism. The key interfaces of the automobile key of the selective switch mechanism are respectively provided with an opening door interface, a closing door interface and a trunk switch interface. The physical keys on the shell of the expansion seat comprise a door opening key, a door closing key and a trunk switch key. The expansion seat control circuit further comprises a Bluetooth receiver, the Bluetooth receiver is in wireless connection with the vehicle-mounted Bluetooth transmitter, and the vehicle-mounted Bluetooth transmitter is powered by the vehicle-mounted OBD interface. In the implementation, the MCU chip is connected with a display screen and a multifunctional key, and the MCU chip is connected with a pedometer, so that the health management is realized through the pedometer.
The expansion seat housing can be made of metal or non-metal material, see fig. 1, and in the present invention, engineering plastic is specifically adopted. Specifically, the docking station housing comprises a main body shell 12 and a back cover plate 13, the main body shell 12 comprises a conformal cavity for accommodating the automobile key, and the back cover plate 13 covers a notch of the conformal cavity. It should be noted that, when the automobile key is received in the conformal cavity, the shell of the automobile key needs to be removed.
The Bluetooth receiver is in wireless connection with the vehicle-mounted Bluetooth transmitter. The vehicle-mounted Bluetooth transmitter is powered by an automobile OBD interface. The vehicle-mounted Bluetooth emitter is arranged in an automobile started by one key. When the Bluetooth BT in the OBD detects and identifies BEL equipment in a liquid crystal key bound within a distance of 0-5 meters, the connection is automatically controlled, when the pairing is successful, an instruction is sent to an RK2018 chip, and an instruction is sent to enable an original vehicle key to send out corresponding frequency to carry out unlocking action; when the Bluetooth BT in the OBD interface detects and identifies BEL equipment in the liquid crystal key bound within a distance of 0-5 meters, the equipment is automatically disconnected, and the RK2108 core chip detects and identifies that the equipment leaves, and sends the frequency of the locking function to the original vehicle key to realize the locking function.
The IO port of the MCU is correspondingly connected with the key interface of the automobile key through an electronic switch, and the electronic switch is an IC analog electronic switch of the model SGM 3001. Specifically, the automobile key is connected with the control circuit of the anti-theft intelligent automobile key expansion seat through a connecting wire or an ejector pin. The physical keys comprise a door opening key, a door closing key, a trunk opening key and a multifunctional key. Therefore, the automobile can be wirelessly controlled by the anti-theft intelligent automobile key expansion seat; specifically, the display screen and the physical keys are fixedly arranged on the outer side surface of the extension seat shell respectively, the battery and the pedometer are arranged inside the extension seat shell respectively, and the battery preferably adopts a lithium battery.
Referring to fig. 3, the anti-theft smart car key expansion seat further includes a power circuit connected in series between the battery and the MCU chip, and through the power circuit, the electric quantity input by the battery or the USB interface can be distributed to the car key and the electronic components in the anti-theft smart car key expansion seat for use, and a circuit diagram of the power circuit is shown in fig. 6. It should be further noted that the power distribution principle is as follows: 1. one path of the power supply supplies power to the original vehicle key chip, so that the original vehicle key can be ensured to send out standard and accurate instruction function frequency; 2. the other way of the power supply supplies power for the inspection, identification, control and display of the liquid crystal key, when the electric quantity is insufficient, the power supply starts the control and protection functions, the power supply only ensures the normal function realization of the automobile key, and the display screen reminds the user of charging supply. The process is repeated.
The working principle of the anti-theft intelligent automobile key expansion seat provided by the invention is as follows: after the Bluetooth receiver receives a Bluetooth connection success signal with the vehicle-mounted Bluetooth transmitter, the MCU chip controls the automobile door unlocking control by controlling an automobile key; after the Bluetooth receiver and the vehicle-mounted Bluetooth transmitter are disconnected from the Bluetooth and send a disconnection signal, the MCU chip controls the locking of the automobile door by controlling the automobile key, so that the automobile door can be automatically opened close to the automobile and automatically locked away from the automobile. By controlling physical keys on the anti-theft intelligent automobile key expansion seat, the MCU can control the automobile key to open the automobile door, close the automobile door, open the trunk and realize multifunctional control on the automobile.
Example 2
The vehicle-mounted Bluetooth transmitter is connected with a vehicle-mounted expansion seat control circuit in a wired or thimble contact mode, and in the embodiment, the vehicle-mounted expansion seat control circuit is connected with a vehicle-mounted automobile key door closing switch in a wired or thimble contact mode; in this embodiment, the vehicle-mounted extension seat control circuit is not connected to the physical keys of the door opening key, the trunk opening key and the multifunctional key of the automobile key, and the vehicle-mounted extension seat control circuit has no unlocking function but only a locking function. After bluetooth receiver and on-vehicle bluetooth transmitter disconnection bluetooth are connected and send the break signal, on-vehicle extension seat control circuit's MCU chip closes the lock control to the car door through controlling the car key, this embodiment can realize in the bluetooth disconnection, on-vehicle extension seat control circuit realizes closing the lock control to the door, and the instruction of unblanking also can send simultaneously, but only send out the instruction and do not do the control of unblanking under the condition that does not have the on-circuit, after bluetooth receiver and on-vehicle bluetooth transmitter disconnection bluetooth are connected and send the break signal, car key extension seat realizes closing the door, on-vehicle extension seat control circuit realizes closing the door function simultaneously. The invention skillfully realizes the anti-theft functions of one-way unlocking and two-way locking of the automobile.
Example 3
The invention discloses an anti-theft method of an anti-theft intelligent automobile key expansion seat, which is characterized by comprising the following steps:
in the step of driving the automobile, a Bluetooth receiver on the anti-theft intelligent automobile key expansion seat is connected with a vehicle-mounted Bluetooth transmitter through a signal; in a control circuit on the anti-theft intelligent automobile key expansion seat, the MCU traces back the number of steps of the pedometer within the past limited time, the implementation time limit time is 0-1 minute, the number of steps is 1-90 steps, and more preferably, the limited time is 20 seconds, and the number of steps is more than 10 steps. If the user walks more than 10 steps within the set limited time within the past one minute, the subsequent steps are carried out, and the circuit board on the anti-theft intelligent automobile key expansion seat sends a signal to a door-opening key of an automobile key; the car key opens the door.
In the step of closing the car door, a Bluetooth receiver on the anti-theft intelligent car key expansion seat and a vehicle-mounted Bluetooth transmitter disconnect signals; the MCU traces back the number of steps in the past limited time of the pedometer, the limited time is 0-1 minute, the number of steps is 0-10 steps, and more preferably, the limited time is 20 seconds, and the number of steps is 2-10 steps. If the step number range is within the set limited time, the subsequent step is carried out, and the circuit board on the anti-theft intelligent automobile key expansion seat sends a signal to an automobile key closing door button; the door is closed.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410797.2A CN113538737A (en) | 2021-04-15 | 2021-04-15 | Anti-theft intelligent automobile key expansion seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410797.2A CN113538737A (en) | 2021-04-15 | 2021-04-15 | Anti-theft intelligent automobile key expansion seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113538737A true CN113538737A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110410797.2A Pending CN113538737A (en) | 2021-04-15 | 2021-04-15 | Anti-theft intelligent automobile key expansion seat |
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|---|---|---|---|---|
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| CN110920565A (en) * | 2019-12-13 | 2020-03-27 | 长春超维科技产业有限责任公司 | Bluetooth comfortable access system based on vehicle door unlocking and control method thereof |
| CN112258693A (en) * | 2019-07-20 | 2021-01-22 | 广东致曼科技有限公司 | Novel automobile key and using method thereof |
| CN214670771U (en) * | 2021-04-15 | 2021-11-09 | 深圳市守者安科技有限公司 | Anti-theft intelligent automobile key expansion seat |
-
2021
- 2021-04-15 CN CN202110410797.2A patent/CN113538737A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6216501B1 (en) * | 1995-02-16 | 2001-04-17 | Marquardt Gmbh | Electronic Key |
| CN107206966A (en) * | 2014-09-24 | 2017-09-26 | 法雷奥舒适驾驶助手公司 | For controlling the lock locking/unlocking of vehicle and/or the device of startup |
| CN206340069U (en) * | 2016-11-12 | 2017-07-18 | 珠海理想科技有限公司 | Intelligent key |
| CN108022326A (en) * | 2017-11-30 | 2018-05-11 | 中国平安财产保险股份有限公司 | Stroke recording detection method, mobile device, detection terminal and readable storage medium storing program for executing |
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