CN207337489U - A kind of intelligent automobile key easy to use - Google Patents
A kind of intelligent automobile key easy to use Download PDFInfo
- Publication number
- CN207337489U CN207337489U CN201720411060.1U CN201720411060U CN207337489U CN 207337489 U CN207337489 U CN 207337489U CN 201720411060 U CN201720411060 U CN 201720411060U CN 207337489 U CN207337489 U CN 207337489U
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- key
- antenna
- microprocessor
- intelligent automobile
- touch screen
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Abstract
The utility model provides a kind of intelligent automobile key easy to use, equipped with touch screen, central processing unit, microprocessor, RF signal transmitter, radiofrequency signal selector, radio-frequency power amplifier, first via antenna, No. second antenna, mechanical key, mechanical key.The utility model human-computer interaction is directly perceived, easy to operate, can allow user is more directly perceived, is interacted with vehicle device to hommization, can show more information content；Also, there are a variety of occupation modes, meet that different occasions, the use in space and the safe spare when remote-control key breaks down use, while traditional vehicle function of key is met, the experience of user can be made to enter a new high.
Description
Technical field
It the utility model is related to a kind of intelligent automobile key.
Background technology
Development and the trend of Internet era of smart mobile phone are benefited from, automobile interconnection intelligence has become sci-tech reform
Essential key areas part in tide.Automobile key system how intuitively, conveniently, efficiently, safety check vehicle believe
Cease and realize remote control, become the active demand of driver.For New-energy electric vehicle field, long-distance intelligent key and machine
Intelligent interaction is realized in car interconnection, will be the important milestone of automobile intelligent development.
What Intelligent key used at present is mostly traditional mechanical key, and use is not convenient enough.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of intelligent automobile key easy to use, for this reason, this
Utility model uses following technical scheme：
A kind of intelligent automobile key easy to use, it is characterised in that it is equipped with touch screen, central processing unit, microprocessor
Device, RF signal transmitter, radiofrequency signal selector, radio-frequency power amplifier, first via antenna, No. second antenna；
The touch screen, microprocessor are connected with central processing unit, the radiofrequency signal selector and microprocessor and are penetrated
Frequency signal projector connects, and RF signal transmitter is connected with microprocessor, and the radiofrequency signal selector connects two-way antenna,
First via antenna is the antenna of short-range communication, and No. second antenna is the antenna of telecommunication, and radiofrequency signal selector passes through
Radio-frequency power amplifier is connected with No. second antenna；
The intelligent automobile key is additionally provided with mechanical key, and the mechanical key includes unlocking key, key of locking a door, opens boot
Key, the mechanical key are connected with microprocessor；
Mechanical key is additionally provided with the housing of the intelligent automobile key.
Further, the key that the mechanical key folds for handle, the knot being embedded in the housing of intelligent automobile key
On component.
Further, the intelligent automobile key is provided with the excitation label that working frequency is 125K, the excitation label
It is connected with microprocessor.
Further, the intelligent automobile key is additionally provided with direct current generator, and the direct current generator and central processing unit connect
Connect.
Further, the intelligent automobile key is additionally provided with LED light, the LED light and central processing unit
Connection.
The utility model human-computer interaction is directly perceived, easy to operate, can allow user is more directly perceived, is interacted with vehicle device to hommization, can
To show more information content；Also, there are a variety of occupation modes, meet different occasions, the use in space and when remote control key
Safe spare when spoon breaks down uses, and while traditional vehicle function of key is met, the experience of user can be made to enter one
New high.
Brief description of the drawings
Fig. 1 is the block diagram of embodiment provided by the utility model.
Fig. 2 is the front view of the utility model intelligent automobile key.
Fig. 3 is the side view of the utility model intelligent automobile key.
Fig. 4 is the explosive view of the utility model intelligent automobile key.
Embodiment
Referring to the drawings.Intelligent automobile key provided by the utility model, it is equipped with touch screen, central processing unit, microprocessor
Device, RF signal transmitter, radiofrequency signal selector, radio-frequency power amplifier, first via antenna, No. second antenna.
The central processing unit can use MTK MT6261A or other android system main control chips as main control chip.
The central processing unit is to be based on ARM7 kernels, and dominant frequency 260MHz, includes GPRS module.It is equipped with inside Digital audio
Maximum supports the V boost power supply modules of 1.5W to support the Speaker amplifier of K grades；Support AMR automatic data logging work(
Energy；Contain advanced audio decoder module AAC+ and high efficiency audio decoder module HE-AAC；Support that HR/FR/EFR/AMR etc. is a variety of
Voice coding；Include the RAM of 32M；Containing PMU modules, 12 LDO are included, support the demand of multiple module difference power supply；
Support different audio frequency apparatuses, the V Boost power modules for integrating 1.5W support the speaker amplifier of K grades；It is embedded
There are FM, BT module, integrated Bluetooth 3.0 is simultaneously furnished with Bluetooth Ver.2.1+Enhanced Data Rate；Contain
There are the full speed USB1.1 interfaces that bandwidth is 12M, support more kinds of PORT COMs of SPI/PCM/UART/I2C；Support at the same time
4bit MSDC equipment；RTC real-time clock of the inside containing minimum 32K provides a reliable time for operating system, and
In the event of a power failure, RTC real-time clocks can also be gone down by battery powered, always operation；CPU module supports R-type
Touch Panel, the SPI port LCM for supporting QVGA, contain BackLight driver；Can support matrix keyboard；Include RF without
Line electricity transceiver module；Support Vibrator and Key LED driver modules；Contain two SIM card interfaces at the same time.
The microprocessor can use TI CC430F5133, it is a real system-on-chip（SoC）, for low work(
Consume wireless communication applications.Under Active patterns, the only power consumption of 180uA/MHz；Under Standby patterns, only 1.7uA；
In a sleep mode, the only power consumption of 1uA；It is less than 5uS from Standby mode wakeups to Active patterns；Include 128 AES
Safe encryption/decryption coprocessor；Contain three internal DMA ports；Kernel is received and dispatched containing high performance 1GHz RF, is integrated with
The RF signal transmitter；Support 300MHz to 348MHz, 389MHz to 464MHz, and 779MHz to
928MHz multiple frequency ranges.
The radiofrequency signal selector can use U9397A, as the switching switch of high-low power passage, it have it is high every
From degree and efficient switching speed.The required time is completed from switching action to switching less than 300 microseconds；Most close
Key be the device have outstanding port between isolation（Conservative index is not less than 90dB）, so high isolation can general
Crosstalk reduction between signalling channel ensure that the production capacity of measuring accuracy and higher to minimum degree.
Radio-frequency power amplifier can use MGA83563, be made of two-stage FET power amplifiers inside it, and design is applied in frequency
Rate scope is the driving stage and output stage of the transmitter of 0.5-6GHz., can offer+22dBm in the operating voltage of+3V（158mW）
Power output, for the output matching internal with 37% power efficiency amplifier in 50 Ω, it is adapted to using battery as power supply
People's communication equipment application.
Touch screen can use capacitive touch screen, and capacitive touch screen is using the touch chip of ITE7259 or mainstream as touch-control
Scheme, drives Film Sensor, is a general IIC interface touch-control modules；Support true two to refer to operation, support gesture work(
Gesture tracking function and can be carried.Relatively low power consumption performance, normal work only need 1.3mA, and sleep pattern only needs 0.1uA；It is described
Touch screen is touch screen in curved surface.The touch screen is embedded on the upper shell of the intelligent automobile key.Touch screen uses
The TFT resolution ratio of 2.0inch is 240*320, it is the module of a semi-transflective reflective type, passes through optical cement OCA and Touch
Sensor fits together entirely, to reach more preferably optics display effect.Meet full visual requirement, have well may be used in the sun
Visual effect fruit.
Capacitive touch screen is equipped with glass cover-plate, and the main visual effect for strengthening display screen simultaneously protects Touch Sensor
Not by extraneous scratch, product appearance effect is lifted, and the coating of anti-scratch processing and anti-fingerprint processing has been done on its surface；Pass through
Optical cement fits together itself and touch-control display module, strengthens the optical characteristics and product reliability of product.
The touch screen, microprocessor are connected with central processing unit, the radiofrequency signal selector and microprocessor and are penetrated
Frequency signal projector connects, and RF signal transmitter is connected with microprocessor, and the radiofrequency signal selector connects two-way antenna,
First via antenna is the antenna of short-range communication, and No. second antenna is the antenna of telecommunication, and radiofrequency signal selector passes through
Radio-frequency power amplifier is connected with No. second antenna.
The intelligent automobile key is additionally provided with mechanical key, and the mechanical key includes unlocking key, key of locking a door, opens boot
Key, the mechanical key are connected with microprocessor.
The utility model intelligent automobile key uses remote double-direction radio radio-frequency technique, can realize short distance or long distance
From（Within 300 meters）Remote information is carried out with vehicle to interact, obtains vehicle's current condition information, its design is led to using 433 radio frequencies
Letter, launches corresponding automobile instruction when using mechanical key using conventional RF power grade；Lead to when using Touch Screen
Crossing AT orders makes radio frequency increase power, realizes telecommunication；It can be designed at the same time on this hardware platform and seek car functional development.
The intelligent automobile key is provided with the excitation label that working frequency is 125K, the excitation label and microprocessor
Connection.When intelligent automobile key is close to vehicle, the 125K excitation labels of vehicle-mounted 125K drivers activation on the key, are passed by I/O port
Microprocessor is defeated by, microprocessor realizes that 433 radio frequencies export by prepositioned instruction
Mechanical key 5 is additionally provided with the housing of the intelligent automobile key.The mechanical key is the key that handle folds
Spoon, is embedded on the structural member in center 2.The automobile key includes metal center 2, front housing 3, and 3 mechanical keys are set
Put on front housing 3, touch screen 1 forms rear shell and is connected with center 2；Touch screen is provided with glass cover-plate.
At body seam, increase waterproof grommet 6 at the mechanical key of front housing.
The intelligent automobile key is additionally provided with direct current generator, and the direct current generator is connected with central processing unit.Direct current
Machine encourages actuator using operational feedback of the DC 2.8V ERM polarization rotor motors as whole device.
In order to easily prompt the state of user's key, the intelligent automobile key design LED etc. to do prompt facility；It is described
LED light is connected with central processing unit.
The utility model can use storage battery, and as power supply, storage battery selects the lithium battery of 3.7V/1000mAh as system
Lithium electricity power supply；It is 2.75V, charging voltage 4.2V to put a blanking voltage.
Power management can be built into central processing unit, and each power input output pin has reserved enough power filter electricity
Hold, ensure power supply stability.When battery capacity is less than 10%, low battery can be prompted to alarm：Low battery is in 1% automatic shutdown.Can be with
Low battery mark is shown by the battery icon above the red flicker of indicator light and display screen, reminds user to charge in time.
When using touch control operation, operational order is supplied to central processing unit by user using the touch screen of Intelligent key,
Microprocessor is transferred to by Uart communication interfaces by central processing unit, RF antennas are controlled by radiofrequency launcher by microprocessor
Send user instruction（Remote RF signals are exported by radio-frequency power amplifier, closely need not move through radio-frequency power amplification
Device）；
When intelligent automobile key key shuts down（Non-lit up touch screen）, user needs opening car door immediately, then can lead to
Mechanical key operation or 125K excitation labels are crossed, instruction is directly transmitted by microprocessor, launches signal with first via antenna（30 meters
Within）, opening car door.
Under key normal boot-strap state（Light touch screen）, screen can should mutually have unlatching animation+vibrating effect：Low battery or
Artificial closing system also has corresponding vibration prompting；At this time the touch function above display screen, can by No. second antenna
To realize 30 ~ 300 meters of telecommunication：Communication mode sends instructions to microprocessor by central processing unit, it is become strong
Power emission and reception device；After with auto communication, automobile receiver end can beam back according to proprietary protocol oneself synchronizing information
Intelligent automobile key is given, and performs command adapted thereto；Intelligent key end is also such at the same time（Silent status is kept to save electricity
Energy）；All operations have data transfer to central processing unit to do corresponding display and response（Need changing interface, charging shape
State, state of charge, LED status, vehicle door status and vehicle device status information etc.）, microprocessor transmitting-receiving central processing unit instruction,
Make the transmitting-receiving and the output of the operating function RF signals of three mechanical keys of corresponding RF signals.
When accumulator electric-quantity is less than setting value, intelligent automobile key can do dormancy or shutdown protection（And there is display interface to carry
Show and prompted with motor vibrations）.
Above-mentioned embodiment is used for illustrating the utility model, is only the preferred embodiment of the utility model, and
It is not that the utility model is limited, it is new to this practicality in the spirit and scope of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the scope of protection of the utility model.
Claims (1)
- A kind of 1. intelligent automobile key easy to use, it is characterised in that it be equipped with touch screen, central processing unit, microprocessor, RF signal transmitter, radiofrequency signal selector, radio-frequency power amplifier, first via antenna, No. second antenna；The touch screen, microprocessor are connected with central processing unit, and the radiofrequency signal selector is believed with microprocessor and radio frequency The connection of number transmitter, RF signal transmitter connects with microprocessor, the radiofrequency signal selector connection two-way antenna, and first Road antenna is the antenna of short-range communication, and No. second antenna is the antenna of telecommunication, and radiofrequency signal selector passes through radio frequency Power amplifier is connected with No. second antenna；The intelligent automobile key is additionally provided with mechanical key, and the mechanical key includes unlocking key, key of locking a door, opens boot key, The mechanical key is connected with microprocessor；Mechanical key is additionally provided with the housing of the intelligent automobile key；The automobile key includes metal center, front housing, and 3 mechanical keys are arranged on front housing, touch screen form rear shell and with Center connects；Touch screen is provided with glass cover-plate, and the mechanical key is the key that handle folds, and is embedded the structure in center On part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720411060.1U CN207337489U (en) | 2017-04-19 | 2017-04-19 | A kind of intelligent automobile key easy to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720411060.1U CN207337489U (en) | 2017-04-19 | 2017-04-19 | A kind of intelligent automobile key easy to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207337489U true CN207337489U (en) | 2018-05-08 |
Family
ID=62375232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720411060.1U Active CN207337489U (en) | 2017-04-19 | 2017-04-19 | A kind of intelligent automobile key easy to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207337489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036227A1 (en) * | 2019-08-23 | 2021-03-04 | 深圳市零点智联科技有限公司 | Power saving method for smart vehicle key, and system |
| CN112704268A (en) * | 2021-01-05 | 2021-04-27 | 陕西中烟工业有限责任公司 | Charging device is deposited to electron cigarette of integration on car key |
-
2017
- 2017-04-19 CN CN201720411060.1U patent/CN207337489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021036227A1 (en) * | 2019-08-23 | 2021-03-04 | 深圳市零点智联科技有限公司 | Power saving method for smart vehicle key, and system |
| CN112704268A (en) * | 2021-01-05 | 2021-04-27 | 陕西中烟工业有限责任公司 | Charging device is deposited to electron cigarette of integration on car key |
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