CN208112700U - A kind of pendant device based on mobile phone OTG mode - Google Patents

Abstract

The utility model discloses a kind of pendant devices based on mobile phone OTG mode, are related to pendant technical field.Module, MCU chip, stepper motor driving chip, stepper motor and LED drive chip are obtained including power supply；Source acquisition module is MCU chip, stepper motor driving chip and LED drive chip provide power supply；MCU chip controls power supply and obtains module, stepper motor driving chip and LED drive chip；Stepper motor driving chip controls stepper motor.The utility model obtains module by power supply and directly takes electricity to mobile phone progress OTG, gives MCU chip, stepper motor driving chip and LED drive chip to use the power supply of acquisition, keeps the style playing method of pendant more changeable.

Description

A kind of pendant device based on mobile phone OTG mode

Technical field

The utility model belongs to pendant technical field, more particularly to a kind of pendant device based on mobile phone OTG mode.

Background technique

As the improvement of people's living standards, mobile phone has become the communication apparatus of people's indispensability.Mobile phone pendant is as hand The ornament of machine meets people for personalized pursuit.Currently, Mobile phone pendant usually all can to increase aesthetic effect Battery is loaded onto pendant, and the product of following reduced-current, such as low-light level LED are driven by battery.The use of battery is to ring Border can generate harm, and in the today's society of environmental protection of advocating thriftiness, people more need a kind of new Mobile phone pendant.

Utility model content

The purpose of this utility model is to provide a kind of pendant devices based on mobile phone OTG mode, are capable of providing by OTG The characteristic of the electric current of 500mA or more can drive the product of more high current, reduce the use of battery, be effectively protected ring Border.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions：

The utility model is a kind of pendant device based on mobile phone OTG mode, including power supply obtains module, MCU chip, step Into motor driving chip, stepper motor and LED drive chip；It is MCU chip, stepper motor driving core that the power supply, which obtains module, Piece and LED drive chip provide power supply；The MCU chip control power supply obtains module, stepper motor driving chip and LED driving Chip；The stepper motor driving chip controls stepper motor.

Further, it includes Lighting 8pin or USB interface that the power supply, which obtains module,.

Further, the model EM78P153B of the model MCU chip of the MCU chip.

Further, the stepper motor driving chip is binary channels DC motor driver.

Further, the LED drive chip includes LED light.

The utility model has the advantages that：

1, the utility model is a kind of pendant device based on mobile phone OTG mode, takes electricity to mobile phone by OTG, does not need In addition battery is used, is economized on resources, environment is protected.

2, the utility model is connected by mobile phone OTG mode with mobile phone, when mobile phone has incoming information, can start stepping Motor and LED light push call-in reporting.

3, the utility model takes electric basis by OTG, drives male earner using stepper motor, increases pendant aesthetic measure and can Object for appreciation property；Electric basis is taken by OTG, the higher LED of brightness can be driven, increase illumination intensity.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is a kind of connection relationship diagram of pendant device based on mobile phone OTG mode of the utility model；

It is electricity that Fig. 2, which is a kind of pendant device based on mobile phone OTG mode of the utility model with Lighting 8pin interface, The circuit diagram of source acquisition module；

Fig. 3 is that a kind of pendant device based on mobile phone OTG mode of the utility model obtains module by power supply of USB interface Circuit diagram.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one：

It please refers to shown in Fig. 1-2, the utility model is a kind of pendant device based on mobile phone OTG mode, including power supply obtains Modulus block, MCU chip, stepper motor driving chip, stepper motor and LED drive chip；Power supply obtain module be MCU chip, Stepper motor driving chip and LED drive chip provide power supply；MCU chip controls power supply and obtains module, stepper motor driving core Piece and LED drive chip；Stepper motor driving chip controls stepper motor.

Further, it includes Lighting 8pin or USB interface that power supply, which obtains module,.

Further, the model EM78P153B of the model MCU chip of MCU chip.

Further, the model TC1508C of stepper motor driving chip.

Further, LED drive chip includes LED light.

Embodiment two：

It please refers to shown in Fig. 2, a kind of pendant device based on mobile phone OTG mode of the utility model is with Lighting 8pin interface is that the circuit connecting relation of power supply acquisition module is as follows：

The Lighting 8pin interface pin 1 that power supply obtains module is connected with pin 13, and pin 2 is connected with pin 15, draws Foot 3 is connected with pin 14, and pin 4 is connected with pin 12, and pin 5 is connected with pin 9, and pin 6,7,10,11 is hanging, 8 He of pin Pin 16 is grounded.

MCU chip is that the pin 1 of eight pin 8-bit microcontrollers is connected with Schottky diode cathode；Schottky diode Cathode is connected with the pin 1 of Lighting 8pin interface；Single-chip microcontroller passes through filter capacitor and filter resistance ground connection in parallel；It is single The pin 2 of piece machine is connected with the pin 7 of TC1508C；The pin 3 of monolithic machine is connected with the pin 6 of TC1508C；Single-chip microcontroller Pin 4 is connected with the pin 5 of Lighting 8pin interface；The pin 5 of single-chip microcontroller is connected with the pin 3 of TC1508C；Single-chip microcontroller Pin 6 be connected with the pin 2 of TC1508C；The pin 7 of single-chip microcontroller is connected with the pin 1 of Lighting 8pin interface；It is single The pin 8 of piece machine is grounded.

The pin 1 and pin 5 of the TC1508C of stepper motor driving chip is hanging；The pin 4 of TC1508C is connected with pin, And it is connected with the pin of Lighting 8pin 5；Pin 9, pin 12, pin 13 and pin 16 and the stepper motor phase of TC1508C Even；Pin 10, pin 11, pin 14 and the pin 15 of TC1508C is grounded.

The anode of the LED light of LED drive chip is connected with the pin 5 of Lighting 8pin；The cathode of LED light is grounded.

Embodiment three：

It please refers to shown in Fig. 3, a kind of pendant device based on mobile phone OTG mode of the utility model is electricity with USB interface The circuit connecting relation that source obtains module is as follows：

The USB interface pin that power supply obtains module includes VDD, D+, D-, VSS and ID；VSS the and ID pin of USB interface connects Ground

MCU chip is that the pin 1 of ten pin 8-bit microcontrollers is connected with the VDD pin of USB interface；The pin 1 of single-chip microcontroller It is grounded by filter capacitor；The pin 2 of single-chip microcontroller is connected with the pin 7 of TC1508C；The pin 3 of monolithic machine and TC1508C's Pin 6 is connected；The pin 4 of single-chip microcontroller is connected with the VDD pin of USB interface；The pin 5 of single-chip microcontroller is hanging；The pin 6 of single-chip microcontroller It is connected with the D- pin of USB；The pin 7 of single-chip microcontroller is connected with the pin 3 of TC1508C；The pin 8 of single-chip microcontroller and TC1508C's Pin 2 is connected；The pin 9 of single-chip microcontroller is connected with the D+ pin of USB interface；The pin 10 of single-chip microcontroller is grounded.

The pin 1 and pin 5 of the TC1508C of stepper motor driving chip is hanging；8 phase of pin 4 and pin of TC1508C Even, and it is connected with the VDD pin of USB interface；Pin 9, pin 12, pin 13 and pin 16 and the stepper motor phase of TC1508C Even；Pin 10, pin 11, pin 14 and the pin 15 of TC1508C is grounded.

The anode of the LED light of LED drive chip is connected with the VDD pin of USB interface；The cathode of LED light is grounded.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. a kind of pendant device based on mobile phone OTG mode, including power supply obtain module, MCU chip, stepper motor and drive core Piece, stepper motor and LED drive chip, it is characterised in that：It is MCU chip, stepper motor driving core that the power supply, which obtains module, Piece and LED drive chip provide power supply；The MCU chip control power supply obtains module, stepper motor driving chip and LED driving Chip；The stepper motor driving chip controls stepper motor.

2. a kind of pendant device based on mobile phone OTG mode according to claim 1, which is characterized in that the power supply obtains Modulus block includes Lighting 8pin or USB interface.

3. a kind of pendant device based on mobile phone OTG mode according to claim 1, which is characterized in that the MCU chip For 8-bit microcontroller.

4. a kind of pendant device based on mobile phone OTG mode according to claim 1, which is characterized in that the stepping horse It is binary channels DC motor driver up to driving chip.

5. a kind of pendant device based on mobile phone OTG mode according to claim 1, which is characterized in that the LED driving Chip includes LED light.