CN111832684A - Bluetooth technology-based anti-loss USB flash disk and smart phone system - Google Patents
Bluetooth technology-based anti-loss USB flash disk and smart phone system Download PDFInfo
- Publication number
- CN111832684A CN111832684A CN201910316588.4A CN201910316588A CN111832684A CN 111832684 A CN111832684 A CN 111832684A CN 201910316588 A CN201910316588 A CN 201910316588A CN 111832684 A CN111832684 A CN 111832684A
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- Prior art keywords
- usb
- flash disk
- usb flash
- bluetooth
- smart phone
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses a Bluetooth technology-based anti-loss USB flash disk and a smart phone system, wherein the anti-loss USB flash disk comprises a USB flash disk core and a USB flash disk shell, the smart phone comprises an HM-05 Bluetooth module, a USB master control chip of the USB flash disk core, a crystal oscillator, a chip resistor, a capacitor, a USB interface and a flash memory chip are welded on one side of a printed circuit board in a cavity of the USB flash disk shell close to the open end of the USB flash disk shell, a Bluetooth anti-loss device STC89C52 singlechip, a reset circuit, a crystal oscillator circuit, a buzzer, a power supply module, a USB charging interface of the Bluetooth anti-loss device and a Bluetooth anti-loss device LED are welded on the other side of the printed circuit board in the cavity of the USB flash disk shell close to the open end of the USB flash disk shell, the buzzer takes a PNP type triode as a switch, a serial pin and a TXD of the HM-05 Bluetooth module are directly communicated with P30 and P31 of the STC 52 singlechip, the buzzer and the Bluetooth anti, the anti-loss USB flash disk and smart phone system based on the Bluetooth technology has the characteristics of simple structure and convenience in use.
Description
One, the technical field
The invention relates to a Bluetooth technology-based anti-loss USB flash disk and smart phone system.
Second, background Art
The usb disk is a small, portable and portable digital device, and is widely used for storing and transferring various files, however, the small and portable usb disk is very easy to be lost, and the loss of the usb disk for storing a large amount of files often brings great influence to the working and life of users.
Third, the invention
The invention aims to solve the technical problem of providing a Bluetooth technology-based anti-loss USB flash disk and smart phone system.
The technical scheme of the anti-loss USB flash disk and smart phone system based on the Bluetooth technology is realized as follows: a loss-proof U disk and smart phone system based on Bluetooth technology comprises a loss-proof U disk and a smart phone, wherein the loss-proof U disk comprises a U disk core and a U disk shell, the U disk core comprises a printed circuit board, a USB master control chip, a crystal oscillator, a chip resistor, a capacitor, a USB interface and a flash memory chip, the printed circuit board is clamped by a plurality of protruding ends arranged in a cavity of the loss-proof U disk shell, one end of the U disk shell is an open end of the U disk shell, the USB interface protrudes out of the open end of the U disk shell, the USB interface is arranged in a USB interface protective cover with the size suitable for the USB interface, the USB interface protective cover is butted with the open end of the U disk shell, the smart phone comprises an HM-05 Bluetooth module, the other end of the U disk shell is an open end of the U disk shell, the USB master control chip, the crystal oscillator, the chip resistor, the capacitor, the USB interface and the flash memory, an STC89C52 singlechip of the Bluetooth anti-lost device, a reset circuit, a crystal oscillator circuit, a buzzer, a power supply module, a USB charging interface of the Bluetooth anti-lost device and an LED of the Bluetooth anti-lost device are welded on the other side of a printed circuit board in a cavity of a U disk shell and are close to the open end of the U disk shell, the buzzer takes a PNP type triode as a switch, a 40 pin Vcc of the STC89C52 singlechip is connected with the positive electrode of the power supply module, a 20 pin is taken as a grounding end, the reset circuit determines the starting state of the STC89C52 singlechip and completes the starting process of the STC89C52 singlechip from stopping, the reset circuit is positioned in the STC89C52 singlechip, the crystal oscillator circuit provides a waveform diagram of a sine wave signal as a reference for the STC89C52 singlechip, the speed 865 of the STC89C52 singlechip is determined, the crystal oscillator circuit is positioned in the STC89C52 singlechip, a TXAL 1 and a XTAL2 of the crystal oscillator are respectively used as the input and the output of a reverse amplifier, the reverse amplifier is configured to be directly communicated with a 31, buzzer and bluetooth anti-lost device LED constitute alarm circuit, and bluetooth anti-lost device USB interface that charges is outstanding outside the USB flash disk shell open end, and during bluetooth anti-lost device USB interface visor that charges that the bluetooth anti-lost device USB that charges was arranged in rather than size and is adapted in, bluetooth anti-lost device USB charges interface visor and USB flash disk shell open end butt joint, installation bluetooth host computer APK in the smart mobile phone.
The anti-loss USB flash disk and smart phone system based on the Bluetooth technology has the characteristics of simple structure and convenience in use.
Description of the drawings
The invention is further described below with reference to the accompanying drawings and examples.
FIG. 1 is a block diagram of the control and signal transmission of a Bluetooth anti-lost device and a Bluetooth module of an anti-lost USB flash disk and smart phone system based on Bluetooth technology;
FIG. 2 is an internal structure diagram of a Bluetooth technology-based anti-loss USB flash disk and smart phone system STC89C52 single chip microcomputer;
FIG. 3 is a circuit diagram of a reset circuit and a crystal oscillator circuit of the anti-lost USB flash disk and smart phone system based on the Bluetooth technology;
FIG. 4 is a schematic circuit diagram of a Bluetooth module of the anti-lost USB flash disk and smart phone system based on Bluetooth technology according to the present invention;
fig. 5 is a circuit diagram of a bluetooth technology-based loss prevention usb disk and a power module of a smart phone system according to the present invention.
In the figure: bluetooth anti-lost device 12 STC89C52 singlechip 121 reset circuit 123 crystal oscillator circuit 124 power module 126 smartphone 2 HM-05 Bluetooth module 21
Fifth, detailed description of the invention
Example 1
1. Source of parts
U disk core 11
Printed circuit board 111: commercial product, 72.7mm by 20mm, double-layer board 1.6cm thick, plate material FR-4;
the USB host chip 112: commercially available, SK 6211;
the crystal oscillator 113: commercial product, active crystal oscillator, 30M;
the chip resistance 114: commercially available, chip resistor 103;
capacitance 115: commercially available, chip capacitor, model 1210;
the USB interface 116: commercially available, USB 3.0;
flash memory chip 117: commercially available, AU 6986;
bluetooth anti-lost device 12
STC89C52 single chip 121: a self-product;
PNP type triode 122: commercially available, triode 8550;
the reset circuit 123: a self-product;
crystal oscillator circuit 124: a self-product;
the buzzer 125: commercially available product, 5mm patch buzzer, model LET5020 DS-03L-4.0-12-R;
the power supply module 126: a self-product;
bluetooth anti-lost device USB interface 127 that charges: commercially available, USB 3.0;
bluetooth anti-lost device LED 128: commercially available, 0402 surface mount led lamp bead, model: TM-S0402-E;
USB flash disk shell 13, USB interface visor 141 and the charging interface visor 142 of bluetooth anti-lost device USB: the ABS plastic is a fixed product, the size is 72.7 × 20 × 7.5, and the black ABS material is adopted and the technology of 'upper and lower shell injection molding/oil injection + middle cabinet electroplating + transparent lamp' is applied;
and 2, the smart phone: HM-05 Bluetooth module 21, commercially available;
bluetooth host computer APK 22: is a commercial product.
2. The invention discloses a Bluetooth technology-based anti-loss USB flash disk and smart phone system
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the loss prevention USB disk and smart phone system based on bluetooth technology of the present invention includes a loss prevention USB disk 1 and a smart phone 2, where the loss prevention USB disk 1 includes a USB disk core 11 and a USB disk case 13, the USB disk core 11 includes a printed circuit board 111, a USB host 112, a crystal oscillator 113, a chip resistor 114, a capacitor 115, a USB interface 116 and a flash memory chip 117, a plurality of protruding ends are disposed in a cavity of the loss prevention USB disk case 13 to clamp the printed circuit board 111, one end of the USB disk case 13 is a USB disk case open end 131, the USB interface 116 protrudes out of the USB disk case open end 131, the USB interface 116 is disposed in a USB interface protection cover 141 with a size suitable for the USB interface, the USB interface protection cover 141 is abutted to the USB disk case open end 131, the smart phone 2 includes an HM-05 bluetooth module 21, the other end of the USB disk case 13 is, the USB main control chip 112, the crystal oscillator 113, the chip resistor 114, the capacitor 115, the USB interface 116 and the flash memory chip 117 of the U disk movement 11 are welded together on one side of the printed circuit board 111 in the cavity of the U disk shell 13 near the open end 131 of the U disk shell, the STC89C52 single chip microcomputer 121, the reset circuit 123, the crystal oscillator circuit 124, the buzzer 125, the power module 126, the Bluetooth anti-lost device USB charging interface 127 and the Bluetooth anti-lost device LED128 are welded together on the other side of the printed circuit board 111 in the cavity of the U disk shell 13 near the open end 132 of the U disk shell, the PNP type triode 122 is used as a switch for the buzzer 125, the pin Vcc 12140 of the STC89C 2 single chip microcomputer 12140 is connected with the positive pole of the power module 126 and the pin 20 as the grounding end, the reset circuit 123 determines the initial state of the STC 52 single chip microcomputer 121, completes the stopping to starting process of the STC89C52 single chip microcomputer 121, the reset circuit 123 is located in the 53989C 52 121, the crystal oscillator, the speed of the STC89C52 single chip microcomputer 121 is determined, the crystal oscillator circuit 124 is located in the STC89C52 single chip microcomputer 121, XTAL1 and XTAL2 of the crystal oscillator circuit 124 are input and output of a reverse amplifier respectively, the reverse amplifier is configured as an in-chip oscillator, a serial port pin TXD and RXD of an HM-05 Bluetooth module 21 in the Bluetooth module circuit are directly communicated with a P30 and a P31 of the STC89C52 single chip microcomputer 121, the buzzer 125 and the Bluetooth anti-lost device LED128 form an alarm circuit, the Bluetooth anti-lost device USB charging interface 127 protrudes out of the open end 132 of the USB flash disk shell, the Bluetooth anti-lost device USB charging interface 127 is placed in a Bluetooth anti-lost device USB charging interface 142 matched with the size of the Bluetooth anti-lost device USB charging interface 142, the Bluetooth anti-lost device USB charging interface 142 is in butt joint with the open end of the USB flash disk shell 132, and a Bluetooth upper.
3. Using method of anti-loss USB flash disk and smart phone system based on Bluetooth technology
The invention discloses a Bluetooth technology-based anti-loss USB flash disk and smart phone system using method, which comprises the following steps:
(1) the Bluetooth upper computer APK22 is installed in the smart phone 2 of the user of the anti-loss USB flash disk 1;
(2) after the anti-loss USB flash disk based on the Bluetooth technology and the anti-loss USB flash disk 1 of the smart phone system are powered on, the STC89C52 single chip microcomputer 121 is manually reset and starts to run the program, the program firstly initializes the STC89C52 single chip microcomputer 121 and a serial port, then assigns a value to a data serial port, sends a data character string from a Bluetooth module circuit through the serial port and then returns to the assignment for transmission continuously;
(3) if the smart phone 2 does not receive the data transmitted by the HM-05 Bluetooth 21 in the Bluetooth module circuit, automatically popping a prompt box on the smart phone 2 and sending an alarm sound or a vibration alarm;
(4) when the distance between the smart phone 2 and the usb disk 1 of the bluetooth technology-based loss prevention usb disk and smart phone system is too far, the pin (24 pin) of the BUZZER1 of the STC89C52 single chip 121 is in a low level state, so as to turn on the BUZZER 125 to give an alarm.
The embodiment illustrates that the loss-proof U disk and smart phone system based on the Bluetooth technology of the invention is composed of a loss-proof U disk 1 and a smart phone 2, the loss-proof U disk 1 comprises a U disk core 11 and a Bluetooth loss preventer 12, the Bluetooth loss preventer 12 comprises an STC89C52 singlechip 121, a reset circuit 123, a crystal oscillator circuit 124, a buzzer 125, a power module 126, a Bluetooth loss preventer USB charging interface 127 and a Bluetooth loss preventer LED128, the buzzer 125 uses a PNP type triode 122 as a switch, the device contained in the Bluetooth loss preventer 12 in the cavity of the U disk shell 13 and the other devices of the U disk core 11 except the printed circuit board 111 are respectively welded together on each side of the printed circuit board 111 near the open end 132 and 131 of the U disk shell, before the U disk is lost, a Bluetooth upper computer APK22 needs to be installed in the smart phone of a user, serial ports of a TXHM-05 Bluetooth module 21 and an RXD in the circuit of the Bluetooth module directly communicate with P30 and P31 of the STC89C52 singlechip, if the smart phone 2 does not receive data transmitted by the HM-05 Bluetooth 21 in the Bluetooth module circuit, automatically popping a prompt box on the smart phone 2 and sending an alarm sound or a vibration alarm; when the distance between the smart phone 2 and the anti-loss USB flash disk 1 is too far, the BUZZER1 pin (24 pin) of the STC89C52 single chip microcomputer 121 is in a low level state, so that the BUZZER 125 is conducted to give an alarm.
Claims (1)
1. A USB flash disk and smart phone system preventing loss based on Bluetooth technology comprises a USB flash disk (1) and a smart phone (2), wherein the USB flash disk (1) preventing loss comprises a USB flash disk core (11) and a USB flash disk shell (13), the USB flash disk core (11) comprises a printed circuit board (111), a USB main control chip (112), a crystal oscillator (113), a chip resistor (114), a capacitor (115), a USB interface (116) and a flash memory chip (117), a plurality of protruding ends are arranged in a cavity of the USB flash disk shell (13) preventing loss to clamp the printed circuit board (111), one end of the USB flash disk shell (13) is a USB flash disk shell open end (131), the USB interface (116) protrudes out of the USB flash shell open end (131), the USB interface (116) is arranged in a USB interface protective cover (141) adapting to the size of the USB flash disk shell, the USB interface protective cover (141) is butted with the USB flash disk shell open end (131), the smart phone (2) comprises an HM-05 Bluetooth, the USB flash disk anti-lost device is characterized in that the other end of the USB flash disk shell (13) is a USB flash disk shell open end (132), a USB main control chip (112), a crystal oscillator (113), a chip resistor (114), a capacitor (115), a USB interface (116) and a flash memory chip (117) of the U disk core (11) are welded on one side of a printed circuit board (111) in a cavity of the U disk shell (13) and close to the U disk shell open end (131), an STC89C52 single chip microcomputer (121), a reset circuit (123), a crystal oscillator circuit (124), a buzzer (125), a power module (126), a Bluetooth anti-lost device USB charging interface (127) and a Bluetooth anti-lost device LED (128) are welded on the other side of the printed circuit board (111) in the cavity of the U disk shell (13) and close to the U disk shell open end (132), the buzzer (125) takes a PNP type triode (122) as a switch, a foot 40 of the STC89C52 (121) is connected with the positive pole, 20 pin is a grounding end, a reset circuit (123) determines the starting state of an STC89C52 single chip microcomputer (121), the starting process of the STC89C52 single chip microcomputer (121) from stop to start is completed, the reset circuit (123) is positioned in the STC89C52 single chip microcomputer (121), a crystal oscillator circuit (124) provides a waveform diagram of a sine wave signal serving as a reference for the STC89C52 single chip microcomputer (121) to determine the speed of the STC89C52 single chip microcomputer (121), the crystal oscillator circuit (124) is positioned in the STC89C52 single chip microcomputer (121), XTAL1 and XTAL2 of the crystal oscillator circuit (124) are respectively input and output of a reverse amplifier, the reverse amplifier is configured as an in-chip oscillator, a serial pin TXDD and an RXD of an HM-05 Bluetooth module (21) in the Bluetooth module circuit are directly communicated with a P30 and a P31 of the STC89C52 single chip microcomputer (121), a buzzer (125) and an LED (128) and a Bluetooth anti-lost alarm circuit are formed by a USB shell (127) and a USB charging port (132) which is protruded outside, the Bluetooth anti-lost device USB charging interface (127) is arranged in a Bluetooth anti-lost device USB charging interface protective cover (142) matched with the Bluetooth anti-lost device USB charging interface protective cover in size, the Bluetooth anti-lost device USB charging interface protective cover (142) is in butt joint with an opening end (132) of a U disk shell, and a Bluetooth upper computer APK (22) is installed in the smart phone (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316588.4A CN111832684A (en) | 2019-04-19 | 2019-04-19 | Bluetooth technology-based anti-loss USB flash disk and smart phone system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316588.4A CN111832684A (en) | 2019-04-19 | 2019-04-19 | Bluetooth technology-based anti-loss USB flash disk and smart phone system |
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| Publication Number | Publication Date |
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| CN111832684A true CN111832684A (en) | 2020-10-27 |
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| CN201910316588.4A Pending CN111832684A (en) | 2019-04-19 | 2019-04-19 | Bluetooth technology-based anti-loss USB flash disk and smart phone system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205540755U (en) * | 2016-01-21 | 2016-08-31 | 河南工业职业技术学院 | Prevent USB flash disk equipment lost |
| CN106022448A (en) * | 2016-05-27 | 2016-10-12 | 成都韵能科技有限公司 | Document protecting type U-disk based on Bluetooth and buzzer |
| WO2018045663A1 (en) * | 2016-09-07 | 2018-03-15 | 广东百事泰电子商务股份有限公司 | Multifunctional vehicle-mounted bluetooth transceiver |
| CN108320421A (en) * | 2017-01-14 | 2018-07-24 | 长沙乐昌林电子科技有限公司 | A kind of bluetooth anti-loss device system based on 51 microcontrollers |
-
2019
- 2019-04-19 CN CN201910316588.4A patent/CN111832684A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205540755U (en) * | 2016-01-21 | 2016-08-31 | 河南工业职业技术学院 | Prevent USB flash disk equipment lost |
| CN106022448A (en) * | 2016-05-27 | 2016-10-12 | 成都韵能科技有限公司 | Document protecting type U-disk based on Bluetooth and buzzer |
| WO2018045663A1 (en) * | 2016-09-07 | 2018-03-15 | 广东百事泰电子商务股份有限公司 | Multifunctional vehicle-mounted bluetooth transceiver |
| CN108320421A (en) * | 2017-01-14 | 2018-07-24 | 长沙乐昌林电子科技有限公司 | A kind of bluetooth anti-loss device system based on 51 microcontrollers |
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