CN206401939U - A kind of onboard wireless charging system - Google Patents
A kind of onboard wireless charging system Download PDFInfo
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- CN206401939U CN206401939U CN201720030906.7U CN201720030906U CN206401939U CN 206401939 U CN206401939 U CN 206401939U CN 201720030906 U CN201720030906 U CN 201720030906U CN 206401939 U CN206401939 U CN 206401939U
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- module
- wireless charging
- temperature sensor
- processing module
- charging system
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Abstract
The utility model discloses a kind of onboard wireless charging system, the electromagnetic induction module of electromagnetic signal, the communication module communicated with charging equipment and the power module powered to modules are sent including charge prompting module, processing module, to charging equipment, processing module is connected with electromagnetic induction module, charge prompting module, communication module；Wireless charging system also includes overheat protector module; the overheat protector module is made up of the first temperature sensor and second temperature sensor; first temperature sensor is arranged at the transmitting coil of electromagnetic induction module; second temperature sensor is arranged on wireless charging system pcb board; first, second temperature sensor is connected with processing module, and processing module is connected by CAN with PEPS.The system can charge to charging equipment, and avoid interfering the communication between PEPS and remote-control key, while ensureing the security of charging.
Description
Technical field
The utility model belongs to wireless charging field, and in particular to a kind of onboard wireless charging system.
Background technology
At present, the smart mobile phone of the very big share of in the market can support wireless charging, but current wireless charging is mainly used in
Family or public place, and the wireless charging system of family or public place can not come into operation on automobile.
CN203747442U discloses a kind of onboard wireless electromagnetic induction charging device, and it can set on automobile to be charged
It is standby（Such as wireless charging mobile phone）Charged, and ensure communication of the mobile phone in wireless charging；But it is due to PEPS（I.e. without
Key enters and activation system）The work frequency of the operating frequency range communicated with remote-control key and onboard wireless charging system
Rate scope is identical, and when carrying out wireless charging in the car, its electromagnetic signal may be to the communication between PEPS and remote-control key
Interfere；In addition, during wireless charging, the transmitting coil of electromagnetic induction module generates heat because there is loss, so that
The temperature rise of onboard wireless charging system, and too high temperature can influence the safety of onboard wireless charging system, and then influence
Vehicle safety.
The content of the invention
The purpose of this utility model is to provide a kind of onboard wireless charging system, to be charged to charging equipment, and
Avoid interfering the communication between PEPS and remote-control key, while ensureing the security of charging.
Onboard wireless charging system described in the utility model, including charge prompting module, processing module, set to be charged
The electromagnetic induction module of preparation power transmission magnetic signal, the communication module communicated with charging equipment and powered to modules
Power module, the processing module is connected with electromagnetic induction module, and control electromagnetic induction module sends electromagnetism to charging equipment
Signal, gives charging equipment charging（Its charging current comes from the power supply of power module）, processing module and charge prompting module
Connection, control charge prompting module show charging, full state or the onboard wireless charging system of charging equipment it is standby,
Abnormality, processing module is connected with communication module, and processing module is communicated by communication module with charging equipment, is obtained
Whether charging equipment is completely electric, whether meet the information such as Qi standards；The wireless charging system also includes overheat protector module,
The overheat protector module is made up of the first temperature sensor and second temperature sensor, the work of first, second temperature sensor
Power supply is provided by power module, and the first temperature sensor is arranged at the transmitting coil of electromagnetic induction module, for detecting electromagnetism
The temperature of the transmitting coil of induction module, second temperature sensor is arranged on wireless charging system pcb board（That is charging panel）On, use
In the temperature of detection wireless charging system pcb board, the first temperature sensor is connected with processing module, by the transmitting coil of detection
Temperature is sent to processing module processing, and second temperature sensor is connected with processing module, by the wireless charging system pcb board of detection
Temperature be sent to processing module processing, transmitting coil temperature more than the first temperature upper limit or wireless charging system
When the temperature of pcb board exceedes second temperature higher limit, processing module control electromagnetic induction module stops sending to charging equipment
Electromagnetic signal, stops charging, is less than the first temperature upper limit value and the temperature of wireless charging system pcb board in the temperature of transmitting coil
When degree is less than second temperature lower limit, processing module controls electromagnetic induction module to send electromagnetic signal to charging equipment, recovers
Charging；Processing module is connected by CAN with PEPS, is obtained from CAN when PEPS is communicated with remote-control key
Remote-control key authentication signal, after processing module gets remote-control key authentication signal, processing module control electromagnetic induction module
Stop sending electromagnetic signal to charging equipment, so as to stop charging, to avoid making the communication between PEPS and remote-control key
Into interference.
The charge prompting module be LED, shown by the different colours of the LED charging equipment charging,
Standby, the abnormality of full state or onboard wireless charging system.
The transmitting coil of the electromagnetic induction module is WPC primary coils, and it can meet Qi standards.
The utility model has the effect that：
（1）The temperature of transmitting coil and wireless charging system pcb board is carried out using first, second temperature sensor real-time
Monitoring, it is warm more than second in temperature of the temperature more than the first temperature upper limit or wireless charging system pcb board of transmitting coil
When spending higher limit, stop charging, transmitting coil temperature less than the first temperature upper limit value and wireless charging system pcb board
When temperature is less than second temperature lower limit, recover charging；Which ensure that the security of charging, and then avoid vehicle is made safely
Into influence.
（2）Processing module is connected by CAN with PEPS, and processing module is got after remote-control key authentication signal, is stopped
Only charge, which obviate and the communication between PEPS and remote-control key is interfered.
Brief description of the drawings
Fig. 1 is circuit block diagram of the present utility model.
Fig. 2 is workflow diagram of the present utility model.
Embodiment
The utility model is elaborated below in conjunction with the accompanying drawings.
Onboard wireless charging system as shown in Figure 1, for wireless charging mobile phone 1（That is charging equipment）Carry out wireless
Charging, it includes charge prompting module 3, processing module 4, the electromagnetic induction module of electromagnetic signal is sent to wireless charging mobile phone 1
2nd, communication module 6, overheat protector module 7 and the power module 5 powered to modules communicated with wireless charging mobile phone 1
（I.e. power module 5 connects with electromagnetic induction module 2, charge prompting module 3, processing module 4, communication module 6, overheat protector module 7
Connect power supply required when being worked there is provided them）, processing module 4 uses single-chip microcomputer（Such as MSP430）It is used as controller, electromagnetism
The transmitting coil of induction module 2 is WPC primary coils, and it meets Qi standards, can realize electromagnetic induction charged function, charge prompting
Is the LED of different colours can be presented in module 3, and communication module 6 is NFC communication unit（That is near field communication unit）, overheat protector
Module 7 is made up of the first temperature sensor 71 and second temperature sensor 72, the working power of first, second temperature sensor by
Power module 5 is provided, and the first temperature sensor 71 is arranged at the transmitting coil of electromagnetic induction module 2, for detecting electromagnetism sense
The temperature of the transmitting coil of module 2 is answered, second temperature sensor 72 is arranged on wireless charging system pcb board（That is charging panel）On,
Temperature for detecting wireless charging system pcb board.The GPI0 mouths of processing module 4 are connected with electromagnetic induction module 2, control transmitting
Coil sends electromagnetic signal to wireless charging mobile phone 1, is charged to wireless charging mobile phone 1（Its charging current comes from power module 5
Power supply）, the charging distance of transmitting coil and wireless charging mobile phone 1 is within 5mm, and processing module 4 is carried by serial ports with charging
Show that module 3 is connected, control charge prompting module 3 shows charging, full state or the onboard wireless charging of wireless charging mobile phone 1
Standby, the abnormality of system, the SPI mouths of processing module 4 are connected with communication module 6, processing module 4 by communication module 6 with
Wireless charging mobile phone 1 is communicated, and is obtained the whether full electricity of wireless charging mobile phone 1, whether is met the information such as Qi standards, it communicates
Distance is within 10cm, and the first temperature sensor 71 is connected with processing module 4, and the temperature of the transmitting coil of detection is sent to
Processing module 4 is handled, and second temperature sensor 72 is connected with processing module 4, by the temperature of the wireless charging system pcb board of detection
Processing module 4 is sent to handle；Processing module 4 is connected by CAN with PEPS 8, from CAN obtain PEPS 8 with
Remote-control key authentication signal when remote-control key 9 is communicated.
As shown in Fig. 2 on vehicle after electricity, it is uncharged before, processing module 4 judges battery sensing according to the signal of connection pin
Whether the transmitting coil of module 2 damages（The judgment mode is prior art）If transmitting coil is damaged, processing module 4 is controlled
LED processed（That is charge prompting module 3）Light and take on a red color, point out onboard wireless charging system to be in abnormality, if transmitting
Coil is not damaged, then above-mentioned onboard wireless charging system enters holding state（It can be charged at any time）, LED do not work.
Wireless charging mobile phone 1 is placed on the housing of onboard wireless charging system or close to onboard wireless charging system
When, NFC communication distance is reached, communication connection is set up in NFC sensings, and processing module 4 recognizes wireless charging by NFC communication unit
Mobile phone 1, and communicated with wireless charging mobile phone 1, obtain the whether full electricity of wireless charging mobile phone 1, whether meet the letter such as Qi standards
Breath, if the full electricity of wireless charging mobile phone 1, the control of processing module 4 LED is lighted in green, if wireless charging mobile phone 1 does not have
There is full electricity, and meet Qi standards, then the control electromagnetic induction module 2 of processing module 4 sends electromagnetic signal by transmitting coil,
Wireless charging mobile phone 1 is started to charge up, and the control of processing module 4 LED is lighted in yellow；In charging process, processing module 4 is real-time
The signal of the whether full electricity of wireless charging mobile phone 1 is obtained, if wireless charging mobile phone 1 has been filled with electricity, the control electromagnetism of processing module 4
Induction module 2 stops sending electromagnetic signal, and wireless charging mobile phone 1 stops charging, LED virescence；In charging process, if
Processing module 4 gets remote-control key authentication signal from CAN（PEPS 8 is communicated with remote-control key 9, and PEPS 8 is received
To after the authentication signal of remote-control key 9, the remote-control key authentication signal is sent in CAN）, then processing module 4 control
Electromagnetic induction module 2 stops sending electromagnetic signal, and wireless charging mobile phone 1 stops charging, and LED is extinguished, until remote-control key is recognized
Demonstrate,prove after blackout, processing module 4 controls electromagnetic induction module 2 to send electromagnetic signal, wireless charging electric hand by transmitting coil again
Machine 1 recovers charging, and LED is lighted in yellow；In charging process, processing module 4 obtains hair at the first temperature sensor 71
The temperature of ray circle, obtains the temperature of wireless charging system pcb board and is handled at second temperature sensor 72, work as transmitting
The temperature of coil is more than 55 DEG C of the first temperature upper limit or the temperature of wireless charging system pcb board is more than second temperature higher limit
At 80 DEG C, the control electromagnetic induction module 2 of processing module 4 stops sending electromagnetic signal, and wireless charging mobile phone 1 stops charging, LED
Extinguish, until the temperature that the temperature of transmitting coil is less than 45 DEG C of the first temperature upper limit value and wireless charging system pcb board is less than
During 70 DEG C of second temperature lower limit, processing module 4 controls electromagnetic induction module 2 to send electromagnetic signal by transmitting coil, wirelessly
Charge mobile phone 1 recovers charging, and LED is lighted in yellow.
Claims (3)
1. a kind of onboard wireless charging system, including charge prompting module（3）, processing module（4）, to charging equipment send electricity
The electromagnetic induction module of magnetic signal（2）, the communication module that is communicated with charging equipment（6）With the electricity powered to modules
Source module（5）, the processing module（4）With electromagnetic induction module（2）, charge prompting module（3）, communication module（6）Connection；Its
It is characterised by：The wireless charging system also includes overheat protector module（7）, the overheat protector module（7）Passed by the first temperature
Sensor（71）And second temperature sensor（72）Constitute, the first temperature sensor（71）It is arranged on electromagnetic induction module（2）Hair
At ray circle, second temperature sensor（72）It is arranged on wireless charging system pcb board, first, second temperature sensor（71、
72）With processing module（4）Connection, processing module（4）Pass through CAN and PEPS（8）Connection.
2. onboard wireless charging system according to claim 1, it is characterised in that：The charge prompting module（3）For LED
Lamp.
3. onboard wireless charging system according to claim 1 or 2, it is characterised in that：The electromagnetic induction module（2）'s
Transmitting coil is WPC primary coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030906.7U CN206401939U (en) | 2017-01-11 | 2017-01-11 | A kind of onboard wireless charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720030906.7U CN206401939U (en) | 2017-01-11 | 2017-01-11 | A kind of onboard wireless charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401939U true CN206401939U (en) | 2017-08-11 |
Family
ID=59514045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720030906.7U Active CN206401939U (en) | 2017-01-11 | 2017-01-11 | A kind of onboard wireless charging system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206401939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004698A (en) * | 2018-06-15 | 2018-12-14 | 立讯精密工业（昆山）有限公司 | Onboard wireless charging system |
| CN109672479A (en) * | 2018-12-07 | 2019-04-23 | 东风汽车集团有限公司 | It is a kind of to charge for eliminating onboard wireless to the PEPS control system interfered and control method |
| CN110371300A (en) * | 2019-07-31 | 2019-10-25 | 苏州标图高级座椅有限公司 | A kind of aero seat with wireless charging function parcel shelf |
-
2017
- 2017-01-11 CN CN201720030906.7U patent/CN206401939U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004698A (en) * | 2018-06-15 | 2018-12-14 | 立讯精密工业（昆山）有限公司 | Onboard wireless charging system |
| CN109672479A (en) * | 2018-12-07 | 2019-04-23 | 东风汽车集团有限公司 | It is a kind of to charge for eliminating onboard wireless to the PEPS control system interfered and control method |
| CN109672479B (en) * | 2018-12-07 | 2020-04-03 | 东风汽车集团有限公司 | Control system and control method for eliminating interference of vehicle-mounted wireless charging on PEPS |
| CN110371300A (en) * | 2019-07-31 | 2019-10-25 | 苏州标图高级座椅有限公司 | A kind of aero seat with wireless charging function parcel shelf |
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