CN109377591A - Keyless gate inhibition system - Google Patents
Keyless gate inhibition system Download PDFInfo
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- CN109377591A CN109377591A CN201811076470.0A CN201811076470A CN109377591A CN 109377591 A CN109377591 A CN 109377591A CN 201811076470 A CN201811076470 A CN 201811076470A CN 109377591 A CN109377591 A CN 109377591A
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- chip
- gate inhibition
- lithium battery
- inhibition system
- bluetooth module
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Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/40—Features of the power supply for the anti-theft system, e.g. anti-theft batteries, back-up power supply or means to save battery power
- B60R25/403—Power supply in the vehicle
-
- 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
- G07C2009/00579—Power supply for the keyless data carrier
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention provides a kind of keyless gate inhibition systems, the keyless gate inhibition system and a controller form PEPS system, the controller is mounted in a vehicle, the keyless gate inhibition system is communicated with the controller, with gate inhibition's unlock to the vehicle, the keyless gate inhibition system includes PKE key, bluetooth module, wireless charging reception chip and lithium battery, wherein: the wireless charging receives chip as lithium battery charging, and the wireless charging receives chip and lithium battery and provides power supply for the PKE key and the bluetooth module；The PKE key and controller communication, with gate inhibition's unlock to the vehicle, the PKE key and bluetooth module communication, the bluetooth module and a mobile communication, the PKE key obtains the information of the mobile phone by the bluetooth module, and the mobile phone obtains the information of the PKE key by the bluetooth module.
Description
Technical field
The present invention relates to technical field of automobile control, in particular to a kind of keyless gate inhibition system.
Background technique
Automobile no-key access control system (PKE) is realized using advantage on wireless communication and sensor technology with remote control
Device is locked or is unlocked stronger Keyless door to car door and prohibits.Carrier of the automobile no-key access control system by receiving and transmitting signal, vehicle
The control unit and perception manpower of interior installation hold the sensor composition by door handle.Carrier can be perceived using this system
In the car whether, can be used only needs Operation switch that can start knowing without key activation system and with personnel of driving for engine
The carrier of other function, can personnel of driving into the car after automating adjustment of rearview mirrors and seat etc., carry out various settings automatically.
Even carrier (key) is placed in pocket or packet by automobile no-key access control system feature, as long as grasping
The keyless gate inhibition system that car door can unlock has realized functionization.Realize Keyless door that is more smooth, comfortably driving
Access control system.
Automobile no-key access control system Technological expression is divided into: one, small-sized/slim door handle sensor technology, in car door
Small-sized/slim sensor in handle is either being rained still using electrostatic transducer and the detection algorithm of original creation
It can accurately perceive whether personnel of driving holds door handle under snowy climatic environment.Meanwhile this electrostatic transducer also has
There is the characteristic that can be perceived having in the case where the inductors such as resin even if between manpower, cambered each of surface band can be coped with
The door handle of kind shape.Two, it can be realized the dimensional antenna control technology of stabilized communication, the communication performance of carrier is left and right
The key factor of keyless gate inhibition system overall performance.Its working principle is that: once firstly, personnel of driving hold door handle,
The antenna being built in door handle will send signal to carrier in a specific range.After carrier receives signal just
It can be communicated with the control unit with computer function, opening car door is locked after unit confirmation to be controlled.Just because of this, it needs really
The carrier being placed in pocket or packet is protected no matter towards which direction, can accurately receive the signal that vehicle is sent.
Keyless gate inhibition system develops rapidly, and is gradually developing as anti-theft technique of new generation, at present
Through stepping into middle-grade car market from luxury car market.Traditional PKE key is PEPS (Passive Entry&Passive
Start) the important component of system, PEPS system is as shown in Figure 1, be divided into controller 100 (car body controller ECU or PEPS
Controller) and 200 two parts of PKE key, two-way communication is taken between this two parts.The working method of the system is controller
100 ceaselessly or send one after being toggled and are encoded to the low frequency LF message of 125kHz to search and wake up in a certain range
PKE key 200.All PKE keys 200 in the range of signal can receive the message, and to the data word of coding
Duan Jinhang verifying.Once the PKE key with car owner identifies successfully, it will send the RF that a frequency is 433MHz automatically and report
Text, controller 100 are decoded it after receiving the message, if identified successfully, control instruction executing agency is opened vehicle
Door and light car light.
Traditional PKE key can cooperate car body controller to complete the keyless entry of vehicle and start without key, use
Disposable battery power supply, the service life of general battery need to tear open at 2 years or so, after dead battery capability shell replacement battery.It passes
System PKE key has two o'clock limitation, one is it can only carry out both-way communication between car body controller, it can not be common with mobile phone etc.
Data connection is established between consumer-elcetronics devices, limits its Function Extension；The second is it uses disposable battery to power, battery
Capacity is small and battery replacement cost is high limits its function of being unable to complete the high power requirements such as key-press backlight.
Summary of the invention
The purpose of the present invention is to provide a kind of keyless gate inhibition systems, to solve existing keyless gate inhibition system function
Single problem.
In order to solve the above technical problems, the present invention provides a kind of keyless gate inhibition system, the keyless gate inhibition system and
One controller forms PEPS system, and the controller is mounted in a vehicle, the keyless gate inhibition system and the controller
Communication, with gate inhibition's unlock to the vehicle, the keyless gate inhibition system includes that PKE key, bluetooth module, wireless charging connect
Receive chip and lithium battery, in which:
The wireless charging receives chip as lithium battery charging, and the wireless charging receives chip and lithium battery is institute
It states PKE key and the bluetooth module provides power supply；
The PKE key and controller communication, with gate inhibition's unlock to the vehicle, the PKE key and described
Bluetooth module communication, the bluetooth module and a mobile communication, the PKE key obtain the mobile phone by the bluetooth module
Information, the mobile phone obtains the information of the PKE key by the bluetooth module.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further includes lithium battery charging core
Piece, the input terminal of the lithium battery charging chip connect the output end that the wireless charging receives chip, the lithium battery charging
The output end of chip connects the input terminal of the lithium battery.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further includes that voltage adjusts chip,
The input terminal that the voltage adjusts chip connects the lithium battery or the wireless charging receives the output end of chip, the voltage
The output end for adjusting chip connects the power supply of the bluetooth module.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further includes the first transistor,
One resistance and first diode, in which:
The first electrode of the first transistor connects the output end of the lithium battery, the second electricity of the first transistor
Pole connects the input terminal that the voltage adjusts chip, and the control electrode of the first transistor connects the lithium battery charging chip
Input terminal；
One end of the first resistor connects the input terminal of the lithium battery charging chip, other end ground connection；
The anode of the first diode connects the input terminal of the lithium battery charging chip, the yin of the first diode
Pole connects the input terminal that the voltage adjusts chip.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further includes the second diode,
In, the anode of second diode connects the output end of the lithium battery, and the cathode of second diode connects the PKE
The power supply of key.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further include third diode and
4th diode, wherein
The anode of the third diode connects the output end that the wireless charging receives chip, the third diode
Cathode connects the control terminal that the voltage adjusts chip；
The anode of 4th diode connects the I/O port of the PKE key, the cathode connection of the 4th diode
The voltage adjusts the control terminal of chip.
Optionally, in the keyless gate inhibition system, the PKE key and the bluetooth module pass through serial peripheral
Interface communication.
Optionally, in the keyless gate inhibition system, the wireless charging receives chip and is sent out by a wireless charging
Core shooting piece obtains energy.
Optionally, in the keyless gate inhibition system, the keyless gate inhibition system further include light emitting diode and
Second transistor, in which:
The anode of the light emitting diode connect the output end of the lithium battery, the voltage adjust chip input terminal or
The wireless charging receives the output end of chip, and the cathode of the light emitting diode connects the first electricity of the second transistor
Pole, the second electrode ground connection of the second transistor, the control electrode of the second transistor connect the end IO of the bluetooth module
Mouthful.
Optionally, in the keyless gate inhibition system, the output voltage of the lithium battery is 4.2V, the wireless charging
The output voltage that electricity receives chip is 5V.
In keyless gate inhibition system provided by the invention, chip is received by wireless charging and lithium battery is PKE key
Power supply is provided with bluetooth module；The PKE key and bluetooth module communication, the bluetooth module and a mobile communication, it is real
Wireless charging function is showed, has realized that car key exempts to tear battery free of replacement open；Realize increase Bluetooth communication, PKE key as bridge,
Realize the communication of vehicle and mobile phone.
The unique hardware structure design of the present invention, while the functional chips such as integrated PKE, wireless charging, bluetooth, greatly
Ground reduces the dormancy power consumption of key, under dormant state power consumption accomplish with common PKE key peer-level, change traditional PKE
The shortcomings that key is without backlight enhances the visual effect of car key.
Detailed description of the invention
Fig. 1 is the PEPS system schematic diagram of existing keyless gate inhibition system and controller composition；
Fig. 2 is the PEPS system schematic diagram of the keyless gate inhibition system and controller composition in one embodiment of the invention；
Fig. 3 is the keyless gate inhibition system schematic diagram in another embodiment of the present invention；
It is as shown in the figure: 10- controller；20- keyless gate inhibition system；21-PKE key；22- lithium battery；23- bluetooth mould
Block；24- wireless charging receives chip；25- lithium battery charging chip；26- voltage adjusts chip；30- mobile phone；40- wireless charging
Transmitting chip.
Specific embodiment
Keyless gate inhibition system proposed by the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
According to following explanation and claims, advantages and features of the invention will be become apparent from.It should be noted that attached drawing is all made of very
Simplified form and non-accurate ratio is used, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Core of the invention thought is to provide a kind of keyless gate inhibition system, to solve existing keyless gate inhibition system
The problem of having a single function.
To realize above-mentioned thought, the present invention provides a kind of keyless gate inhibition system, the keyless gate inhibition system and one
Controller forms PEPS system, and the controller is mounted in a vehicle, and the keyless gate inhibition system and the controller are logical
Letter, with gate inhibition's unlock to the vehicle, the keyless gate inhibition system includes PKE key, bluetooth module, wireless charging reception
Chip and lithium battery, in which: it is that the lithium battery charges that the wireless charging, which receives chip, the wireless charging receive chip with
Lithium battery provides power supply for the PKE key and the bluetooth module；The PKE key and controller communication, to institute
Gate inhibition's unlock of vehicle, the PKE key and bluetooth module communication, the bluetooth module and a mobile communication are stated, it is described
PKE key obtains the information of the mobile phone by the bluetooth module, and the mobile phone obtains the PKE by the bluetooth module
The information of key.
The embodiment of the present invention provides a kind of keyless gate inhibition system, as shown in Fig. 2, 20 He of the keyless gate inhibition system
One controller 10 forms PEPS system, and the controller 10 is mounted in a vehicle, the keyless gate inhibition system 20 with it is described
Controller 10 communicates, and with gate inhibition's unlock to the vehicle, the keyless gate inhibition system 20 includes PKE key 21, bluetooth mould
Block 23, wireless charging receive chip 24 and lithium battery 22, in which: it is that the lithium battery 22 fills that the wireless charging, which receives chip 24,
Electricity, the wireless charging receives chip 24 and lithium battery 22 is that the PKE key 21 and the bluetooth module 23 provide power supply；Institute
It states PKE key 21 and the controller 10 communicates, with gate inhibition's unlock to the vehicle, the PKE key 21 and the bluetooth
Module 23 communicates, and the bluetooth module 23 is communicated with a mobile phone 30, and the PKE key 21 obtains institute by the bluetooth module 23
The information of mobile phone 30 is stated, the mobile phone 30 obtains the information of the PKE key 21 by the bluetooth module 23.
As shown in figure 3, the keyless gate inhibition system 20 further includes lithium battery in the keyless gate inhibition system 20
Charging chip 25, the input terminal of the lithium battery charging chip 25 connect the output end that the wireless charging receives chip 24, institute
The output end for stating lithium battery charging chip 25 connects the input terminal of the lithium battery 22.The keyless gate inhibition system 20 further includes
Voltage adjusts chip 26, and the input terminal that the voltage adjusts chip 26 connects the lithium battery 22 or the wireless charging receives core
The output end of piece 24, the output end that the voltage adjusts chip 26 connect the power supply of the bluetooth module 23.
Specifically, the keyless gate inhibition system 20 further includes the first transistor Q1, first resistor R1 and first diode
D1, in which: the first electrode of the first transistor Q1 connects the output end of the lithium battery 22, the first transistor Q1's
Second electrode connects the input terminal that the voltage adjusts chip 26, and the control electrode of the first transistor Q1 connects the lithium battery
The input terminal of charging chip 25；One end of the first resistor R1 connects the input terminal of the lithium battery charging chip 25, another
End ground connection；The anode of the first diode D1 connects the input terminal of the lithium battery charging chip 25, the first diode
The cathode of D1 connects the input terminal that the voltage adjusts chip 26.When the input terminal of lithium battery charging chip 25 is high level,
The first transistor Q1 shutdown (the first transistor Q1 is P-channel technotron), wireless charging receives chip 24 and exports 5V electricity
Pressure is provided directly to first diode D1, and adjusts the input terminal of chip 26 to voltage by first diode D1.Work as lithium battery
When the input terminal of charging chip 25 is low level, (the first transistor Q1 is P-channel junction field for the first transistor Q1 conducting
Pipe), lithium battery 22 exports 4.2V voltage, is provided directly to the first transistor Q1, and adjust to voltage by the first transistor Q1
The input terminal of chip 26.
In addition, the keyless gate inhibition system 20 further includes the second diode in the keyless gate inhibition system 20
D2, wherein the anode of the second diode D2 connects the output end of the lithium battery 22, the cathode of the second diode D2
Connect the power supply of the PKE key 21.The keyless gate inhibition system 20 further includes third diode D3 and the 4th diode D4,
Wherein, the anode of the third diode D3 connects the output end that the wireless charging receives chip 24, the third diode
The cathode of D3 connects the control terminal that the voltage adjusts chip 26；The anode of the 4th diode D4 connects the PKE key
21 I/O port, the cathode of the 4th diode D4 connect the control terminal that the voltage adjusts chip 26.
Further, in the keyless gate inhibition system 20, the PKE key 21 passes through with the bluetooth module 23
Serial Peripheral Interface (SPI) communication.The wireless charging receives chip 24 and obtains energy by a wireless charging transmitting chip 40.It is described
Keyless gate inhibition system 20 further includes light emitting diode (LED) D5 and second transistor Q2, in which: the light emitting diode D5's
Anode connects the output end of the lithium battery 22, the voltage adjusts the input terminal of chip 26 or the wireless charging receives chip
24 output end, the cathode of the light emitting diode D5 connect the first electrode of the second transistor Q2, second crystal
The second electrode of pipe Q2 is grounded, and the control electrode of the second transistor Q2 connects the I/O port of the bluetooth module 23.The lithium
The output voltage of battery 22 is 4.2V, and the output voltage that the wireless charging receives chip 24 is 5V.
In keyless gate inhibition system provided by the invention, chip 24 is received by wireless charging and lithium battery 22 is PKE
Key 21 and bluetooth module 23 provide power supply；The PKE key 21 and the bluetooth module 23 communicate, the bluetooth module 23 with
The communication of one mobile phone 30, realizes wireless charging function, realizes that car key exempts to tear battery free of replacement open；Increase Bluetooth communication is realized,
PKE key 21 is used as bridge, realizes the communication of vehicle Yu mobile phone 30.
The unique hardware structure design of the present invention, while the functional chips such as integrated PKE, wireless charging, bluetooth, greatly
Ground reduces the dormancy power consumption of key, under dormant state power consumption accomplish with common PKE key peer-level, change traditional PKE
The shortcomings that key is without backlight enhances the visual effect of car key.
The present invention realizes traditional PKE function, comprising: the both-way communication between ECU completes car owner's certification and vehicle unlock
Function；It is stored in PKE chip by two-way communication recording information of vehicles.
The invention also achieves Bluetooth functions, comprising: it is communicated by being established between the bluetooth equipments such as bluetooth module and mobile phone,
Realize the information exchange between PKE key and mobile phone, memory mobile phone information is in the BLE chip of bluetooth module；Control PKE key
Backlight LED light on and off；SPI is communicated between BLE chip and PKE functional chip, realizes the final interaction of information of vehicles and cellphone information.
The invention also achieves LED backlight functions, comprising: optimization key visual effect indicates key status (bluetooth shape
State, wireless charging state, battery status, key-press status, PEPS state etc.).
The invention also achieves wireless charging functions, comprising: the electric energy for collecting wireless charging transmitting terminal is stored in lithium battery
In；Lithium battery stores electric energy, and electric energy is powered by being suitably converted into Bluetooth chip and PKE chip；It is chargeable, it is defeated to receive electric energy
Enter.
Hardware structure principle of the present invention is as follows: keyless gate inhibition system is powered by 4.2V lithium battery 22.Lithium battery 22 passes through
Diode D2 is key-powered to PKE, and the effect of diode D2 is decompression.Wireless charging receives chip 24 and realizes wireless charging electric work
Can, when wireless charging receives the Wireless charging coil in 24 left side of chip and transmitting end-coil matches, wireless charging receives core
Piece 24 is powered by exporting 5V voltage to follow-up system.Lithium battery charging chip 25 converts constant current or constant pressure to lithium for 5V voltage
Battery charging.
The effect that voltage adjusts chip 26 is that input power decompression is stabilized to 3.3V, to the BLE chip of bluetooth module 23
Power supply.There are two sources for the input power of voltage adjusting chip 26, and first is power supply of the lithium battery 22 after PMOS tube Q1, the
Second is that wireless charging receives power supply of the chip 24 after diode D1.When wireless charging, which receives chip 24, not to be exported,
PMOS tube Q1 default conditions are conducting, and lithium battery 22 is powered after passing through PMOS tube Q1 to voltage adjusting chip 26；Work as wireless charging
When receiving chip 24 has 5V output, 5V voltage controls Q1 shutdown, and voltage adjusts chip 26 and is converted to wireless charging reception chip 24
It is powered by diode D1.
Voltage adjusts the enable signal On/OFF of chip 26 and receives chip 24 and PKE key 21 from wireless charging, and two
Person is or logic, if one effectively voltage adjusts chip 26 and will be enabled, pass through Out and export 3.3V voltage.Bluetooth module 23
For BLE chip, Bluetooth signal is broadcasted, while backlight LED is controlled by I/O port.Pass through between PKE key 21 and bluetooth module 23
SPI communication.
The characteristics of hardware structure of the present invention, is as follows: passing through the SPI communication of bluetooth module 23 and PKE key on hardware, realizes
The interaction of information of vehicles and cellphone information.Voltage adjusts the input power design of chip 26, realizes wireless charging and receives core
Switching between piece power supply and lithium battery power supply, advantage are as follows: even if lithium battery is fitted without, or damage, whole system can also
It is unaffected to receive chip power supply by wireless charging.When wireless charging receives chip power supply, lithium battery power supply is cut off, in this way
Lithium battery can only be electrically charged, and without discharging, avoided the generation of charging and discharging lithium battery frequent switching, improved making for lithium battery
Use the service life.
Voltage, which adjusts chip, can receive chip controls by PKE key and wireless charging, have when wireless charging receives chip
When output, it is ON mode that voltage, which adjusts chip, exports 3.3V and powers to bluetooth module 23, and whole system is high-power operation mould
Formula.When wireless charging receives chip without output, determine it is to set ON mode for voltage adjusting chip by PKE key.System
Into when suspend mode, it is OFF that PKE key controller voltage, which adjusts chip, closes 3.3V output, whole system low power operation.
In addition, in other embodiments of the invention, key background light can use common monochromatic LED lamp, can also use
Red, green and blue LED light is to achieve the purpose that multiple color backlight.Bluetooth module drives the mode of LED that can use N-type BJT, can also
With with p-type BJT.The power supply of LED may come from lithium battery, and the output of chip can also be received from wireless charging, can also
To adjust the end In of chip from voltage.The key switch of PKE key can be the switch of ground connection, be also possible to connect power supply
Switch.Wireless charging receives chip, lithium battery charging chip, voltage and adjusts chip, and the chip of these three functions can be independence
Chip is also possible to integrated form, such as wireless charging receives chip and lithium battery charging integrates or lithium battery fills
Electrical chip is together with voltage adjusting integrated chip.
To sum up, the various configuration of keyless gate inhibition system is described in detail in above-described embodiment, certainly, packet of the present invention
Include but be not limited in above-mentioned implementation cited configuration, it is any to be converted on the basis of configuration provided by the above embodiment
Content belongs to the range that the present invention is protected.Those skilled in the art can draw inferences about other cases from one instance according to the content of above-described embodiment.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (10)
1. a kind of keyless gate inhibition system, the keyless gate inhibition system and a controller form PEPS system, the controller
It is mounted in a vehicle, the keyless gate inhibition system is communicated with the controller, special with gate inhibition's unlock to the vehicle
Sign is that the keyless gate inhibition system includes PKE key, bluetooth module, wireless charging reception chip and lithium battery, in which:
The wireless charging receives chip as lithium battery charging, and the wireless charging receives chip and lithium battery is described
PKE key and the bluetooth module provide power supply；
The PKE key and controller communication, with gate inhibition's unlock to the vehicle, the PKE key and the bluetooth
Module communication, the bluetooth module and a mobile communication, the PKE key obtain the letter of the mobile phone by the bluetooth module
Breath, the mobile phone obtain the information of the PKE key by the bluetooth module.
2. keyless gate inhibition system as described in claim 1, which is characterized in that the keyless gate inhibition system further includes lithium electricity
Pond charging chip, the input terminal of the lithium battery charging chip connect the output end that the wireless charging receives chip, the lithium
The output end of battery charging chip connects the input terminal of the lithium battery.
3. keyless gate inhibition system as claimed in claim 2, which is characterized in that the keyless gate inhibition system further includes voltage
Chip is adjusted, the input terminal that the voltage adjusts chip connects the lithium battery or the wireless charging receives the output of chip
End, the output end that the voltage adjusts chip connect the power supply of the bluetooth module.
4. keyless gate inhibition system as claimed in claim 3, which is characterized in that the keyless gate inhibition system further includes first
Transistor, first resistor and first diode, in which:
The first electrode of the first transistor connects the output end of the lithium battery, and the second electrode of the first transistor connects
The input terminal that the voltage adjusts chip is connect, the control electrode of the first transistor connects the input of the lithium battery charging chip
End；
One end of the first resistor connects the input terminal of the lithium battery charging chip, other end ground connection；
The anode of the first diode connects the input terminal of the lithium battery charging chip, and the cathode of the first diode connects
Connect the input terminal that the voltage adjusts chip.
5. keyless gate inhibition system as claimed in claim 3, which is characterized in that the keyless gate inhibition system further includes second
Diode, wherein the anode of second diode connects the output end of the lithium battery, and the cathode of second diode connects
Connect the power supply of the PKE key.
6. keyless gate inhibition system as claimed in claim 3, which is characterized in that the keyless gate inhibition system further includes third
Diode and the 4th diode, wherein
The anode of the third diode connects the output end that the wireless charging receives chip, the cathode of the third diode
Connect the control terminal that the voltage adjusts chip；
The anode of 4th diode connects the I/O port of the PKE key, described in the cathode connection of the 4th diode
The control terminal of voltage adjusting chip.
7. keyless gate inhibition system as described in claim 1, which is characterized in that the PKE key and the bluetooth module are logical
Cross Serial Peripheral Interface (SPI) communication.
8. keyless gate inhibition system as described in claim 1, which is characterized in that the wireless charging receives chip and passes through a nothing
Line charge electricity transmitting chip obtains energy.
9. keyless gate inhibition system as described in claim 1, which is characterized in that the keyless gate inhibition system further includes shining
Diode and second transistor, in which:
The anode of the light emitting diode connects the output end of the lithium battery, the voltage adjusts the input terminal or described of chip
Wireless charging receives the output end of chip, and the cathode of the light emitting diode connects the first electrode of the second transistor, institute
The second electrode ground connection of second transistor is stated, the control electrode of the second transistor connects the I/O port of the bluetooth module.
10. keyless gate inhibition system as described in claim 1, which is characterized in that the output voltage of the lithium battery is 4.2V,
The output voltage that the wireless charging receives chip is 5V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811076470.0A CN109377591B (en) | 2018-09-14 | 2018-09-14 | Keyless entrance guard system |
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|---|---|---|---|
| CN201811076470.0A CN109377591B (en) | 2018-09-14 | 2018-09-14 | Keyless entrance guard system |
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| CN109377591A true CN109377591A (en) | 2019-02-22 |
| CN109377591B CN109377591B (en) | 2021-06-08 |
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| CN109377591B (en) | 2021-06-08 |
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