CN210246778U

CN210246778U - Bluetooth device based on power supply of apple Lighting interface

Info

Publication number: CN210246778U
Application number: CN201921639095.6U
Authority: CN
Inventors: Xiangqiao Wang; 王向乔; Zhangyong Zheng; 郑章勇
Original assignee: Chongqing Qiaosong Information Technology Co ltd
Current assignee: Chongqing Qiaosong Information Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-04-03
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a Bluetooth device based on power supply of an apple Lighting interface, which comprises a power taking circuit, a controller, an indicating module and a Bluetooth communication module; the input end of the power taking circuit is connected with the Lighting interface, the output end of the power taking circuit is connected with the controller, and the indicating module and the Bluetooth communication module are respectively and electrically connected with the controller. The utility model discloses an adopt and get the direct Lighting interface of following the apple cell-phone of electric circuit and get the electricity to satisfy bluetooth device and each functional module's electric quantity consumption, consequently cancelled built-in battery, practiced thrift the cost, do benefit to popularization and application.

Description

Bluetooth device based on power supply of apple Lighting interface

Technical Field

The utility model relates to a bluetooth electron technical field, in particular to bluetooth device based on power supply of apple Lighting interface.

Background

In the current society, the apple mobile phone is loved by people due to the high-quality performance, and more people select the apple mobile phone when buying the mobile phone. The interface of apple cell-phone is Lighting interface, possess many convenient efficient functions, nevertheless because of its technical problem, need adopt the MFI chip to pass through the MFI authentication when external equipment passes through Lighting interface and apple cell-phone and is connected, and this kind of mode degree of difficulty is higher, consequently generally adopts bluetooth equipment to couple together apple cell-phone and external equipment.

But the bluetooth equipment that has now be applicable to the apple cell-phone all needs to set up the battery in the inside of bluetooth device, if the battery electric quantity is not enough, then bluetooth equipment will stop work to can't connect external equipment and apple cell-phone, influence user's experience, and built-in battery has the safety risk, if the battery short circuit or explosion etc. appear, will bring harm for people.

Disclosure of Invention

The problem of can't directly get the electricity from the apple cell-phone to bluetooth device among the prior art, the utility model provides a bluetooth device based on power supply of apple Lighting interface.

In order to achieve the above object, the present invention provides the following technical solutions:

a Bluetooth device based on power supply of an apple Lighting interface comprises a power taking circuit and a controller; the input end of the power taking circuit is connected with the Lighting interface, and the output end of the power taking circuit is connected with the controller U2;

preferably, the power taking circuit comprises a power taking chip U1:

the GND interface of the power taking chip U1 is connected with the GND of the Lighting interface and grounded; the DATA interface of the power taking chip U1 is connected with the SA interface of the Lighting interface; the SB interface of the Lighting interface is respectively connected with the anode of the second diode, one end of the first resistor, one end of the second capacitor and the Vcc port of the controller U2, the other end of the first resistor is connected with the anode of the first diode, and the cathode of the first diode is grounded; the cathode of the second diode is connected with one end of the first capacitor and the Vcc port of the power taking chip U1, the other end of the first capacitor is connected with the other end of the second capacitor and the GND port of the controller U2, and the other end of the first capacitor is grounded.

Preferably, the device further comprises an indication module, the indication module is electrically connected with the controller, and the indication module is a display device or a sound device; the display device comprises an indicator light, a display and a segment code liquid crystal screen; the sound device comprises a buzzer and a voice loudspeaker.

Preferably, the system also comprises an IC card read-write module, an infrared communication module and a communication interface;

the IC card read-write module, the infrared communication module and the communication interface are electrically connected with the controller; the IC card read-write module is used for reading data in an external IC card; the infrared communication module and the communication interface are used for being in communication connection with external equipment.

Preferably, the bluetooth communication module is further included, the bluetooth communication module is electrically connected with the controller, and the bluetooth communication module includes a bluetooth control chip U3:

the GND port of the Bluetooth control chip U3 is grounded; an X1 port of the Bluetooth control chip U3 is connected with one end of the piezoelectric crystal and one end of the third capacitor respectively, an X0 port of the Bluetooth control chip U3 is connected with the other end of the piezoelectric crystal and one end of the fourth capacitor respectively, and the other end of the third capacitor and the other end of the fourth capacitor are grounded after being connected in parallel; the ANT port of the Bluetooth control chip U3 is connected with one end of a fifth capacitor and one end of a first inductor respectively, the other end of the fifth capacitor is grounded, the other end of the first inductor is connected with one end of a sixth capacitor and an antenna respectively, and the other end of the sixth capacitor is grounded.

Preferably, the first diode is a light emitting diode, and the second diode is a voltage regulator diode.

To sum up, owing to adopted above-mentioned technical scheme, compare with prior art, the utility model discloses following beneficial effect has at least:

the utility model discloses a bluetooth device adopts the Lighting interface of getting the direct follow apple cell-phone of electric circuit to get the electricity to satisfy the electric quantity consumption of each function of bluetooth device, cancelled built-in battery, practiced thrift the cost, do benefit to popularization and application.

Description of the drawings:

fig. 1 is a schematic structural diagram of a bluetooth device based on power supply of apple Lighting interface according to the utility model discloses an exemplary embodiment.

Fig. 2 is a schematic circuit diagram of a bluetooth device based on power supply of an apple Lighting interface according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.

Fig. 1 is an exemplary bluetooth device based on power supply of apple Lighting interface, including getting electric circuit 10, controller 20, indicating module 30 and bluetooth communication module 40, gets the input and the Lighting interface connection of electric circuit 10, gets the output and the controller 20 connection of electric circuit 10, and indicating module 30 and bluetooth communication module 40 are equallyd divide and are do not connected with controller 20 electricity.

The power taking circuit 30 extracts electric quantity from the apple mobile phone through the Lighting interface so as to be needed by the work of the controller 20, the indicating module 30 and the Bluetooth communication module 40, and therefore a battery does not need to be arranged in the Bluetooth device, and cost and space are saved.

In this embodiment, the indication module 30 is a display device or a sound device, the display device can be an indicator light, a display, a segment code liquid crystal display, etc., and the sound device can be a buzzer, a voice speaker, etc.

In this embodiment, the device further includes an IC card read/write device and a communication interface, both of which are electrically connected to the controller 20. The IC card read-write device is used for reading data in an IC card connected with the Bluetooth device; the communication interface is used for communicating with other external equipment, for example, the communication interface can communicate with the external equipment through infrared or LoRa; and the infrared communication module is used for carrying out infrared communication on external equipment.

Fig. 2 is a circuit diagram of an exemplary bluetooth device, including a power-taking circuit and a bluetooth communication circuit.

The power taking circuit comprises a power taking chip U1 and a controller U2;

the GND interface of the power taking chip U1 is connected with the GND interface of the Lighting interface and is grounded; the DATA interface of the power taking chip U1 is connected with the SA interface of the Lighting interface; the SB interface of the Lighting interface is respectively connected with the anode of the second diode D2, one end of the first resistor R1, one end of the second capacitor C2 and the Vcc port of the controller U2, the other end of the first resistor R1 is connected with the anode of the first diode D1, and the cathode of the first diode D1 is grounded; the cathode of the second diode D2 is connected to one end of the first capacitor C1 and the Vcc port of the power-taking chip U1, respectively, the other end of the first capacitor C1 is connected to the other end of the second capacitor C2 and the GND port of the controller U2, respectively, and the other end of the first capacitor C1 is grounded.

In this embodiment, the second diode D2 is a zener diode, which prevents the circuit from being damaged by excessive current in the circuit; the first diode D1 is a light emitting diode, and when the first diode D1 emits light, it indicates that there is current flowing through the circuit, i.e. the power is successfully supplied. The power-taking chip U1 takes power from Lighting SB interface to provide power for the controller 20, the indication module 30 and the bluetooth communication module 40. The power chip U1 can adopt APS0251, and the controller U2 can adopt LPC 922.

The Bluetooth communication circuit comprises a controller U2 and a Bluetooth control chip U3:

the TXD port of the controller U2 is connected with the RXD port of the Bluetooth control chip U3, and the RXD port of the controller U2 is connected with the TXD port of the Bluetooth control chip U3; the GND port of the Bluetooth control chip U3 is grounded; an X1 port of the Bluetooth control chip U3 is connected with one end of a piezoelectric crystal Y1 and one end of a third capacitor C3 respectively, an X0 port of the Bluetooth control chip U3 is connected with the other end of a piezoelectric crystal Y1 and one end of a fourth capacitor C4 respectively, and the other end of the third capacitor C3 and the other end of the fourth capacitor C4 are grounded after being connected in parallel; an ANT port of the Bluetooth control chip U3 is connected with one end of a fifth capacitor C5 and one end of a first inductor L1 respectively, the other end of the fifth capacitor C5 is grounded, the other end of the first inductor L1 is connected with one end of a sixth capacitor C6 and an antenna respectively, and the other end of the sixth capacitor C6 is grounded. The Bluetooth control chip U3 may employ BTM0608C 2X.

In this embodiment, the indication module includes: an IO port of the controller U2 is connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to the anode of the third diode D3, and the cathode of the third diode D3 is grounded. The third diode D3 is a light emitting diode, and when the third diode D3 emits light, it can be used to make the Bluetooth communication module in working state.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims

1. A Bluetooth device based on power supply of an apple Lighting interface is characterized by comprising a power taking circuit and a controller; the input end of the power taking circuit is connected with the Lighting interface, and the output end of the power taking circuit is connected with the controller.

2. The Bluetooth device powered on the basis of the apple Lighting interface of claim 1, wherein the power taking circuit comprises a power taking chip U1 and a controller U2:

3. The apple Lighting interface-based bluetooth device according to claim 1, further comprising an indication module, wherein the indication module is a display device or a sound device; the display device comprises an indicator light, a display and a segment code liquid crystal screen; the sound device comprises a buzzer and a voice loudspeaker.

4. The Bluetooth device powered on the basis of the apple Lighting interface as claimed in claim 1, further comprising an IC card read-write module, an infrared communication module and a communication interface;

5. The apple Lighting interface-based bluetooth device according to claim 1, further comprising a bluetooth communication module, wherein the bluetooth communication module comprises a bluetooth control chip U3:

6. The apple Lighting interface-based bluetooth device as claimed in claim 2, wherein the first diode is a light emitting diode, and the second diode is a zener diode.