CN206606339U - A kind of lifesaving usb key chain control system - Google Patents
A kind of lifesaving usb key chain control system Download PDFInfo
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- CN206606339U CN206606339U CN201720351978.1U CN201720351978U CN206606339U CN 206606339 U CN206606339 U CN 206606339U CN 201720351978 U CN201720351978 U CN 201720351978U CN 206606339 U CN206606339 U CN 206606339U
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- module
- master controller
- key chain
- lifesaving
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Abstract
It is related to a kind of lifesaving usb key chain control system, key chain is combined with USB flash disk, and make it have the overboard function of floating automatically, and light illuminating lamp, life saving signal is sent to user in night convenient confirmation position, and by wireless communication module.Lifesaving usb key chain control system includes master controller, USB interface, power supply module, memory module, water induction module, trigger module, air bag, illuminating lamp, alarm module, wireless communication module, intelligent terminal, USB interface, memory module is connected to master controller, the output end of water induction module is connected to the input of master controller, the output end of master controller is connected to the input of trigger module, the output end of master controller is connected to illuminating lamp, the input of alarm module, the output end of master controller is connected to the input of alarm module, the output end of power supply module is connected to the input of master controller, intelligent terminal is connected to master controller by wireless communication module.
Description
Technical field
The utility model relates generally to sphere of life, more specifically to a kind of lifesaving usb key chain control system.
Background technology
Key is the requisite that people carry with, and key can be usually placed on a key chain by people, still, sometimes
Key can fall into the water when playing outside, due to centrifugal force, will be sunk under water once key falls into the water,
Be inconvenient to find and cause to lose, therefore it provides a kind of key chain for being capable of automatic lifesaving is significantly, and by USB flash disk
It is combined, is brought convenience to people instantly with key chain.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of lifesaving usb key chain control system, by key chain
It is combined with USB flash disk, and makes it have the overboard function of floating automatically, and lights illuminating lamp, in night convenient confirmation position, and
And life saving signal is sent to user by wireless communication module.
In order to solve the above technical problems, a kind of lifesaving usb key chain control system of the utility model include master controller,
USB interface, power supply module, memory module, water induction module, trigger module, air bag, illuminating lamp, alarm module, radio communication mold
Block, intelligent terminal, key chain is combined with USB flash disk, and makes it have the overboard function of floating automatically, and lights illuminating lamp,
In night convenient confirmation position, and by wireless communication module life saving signal is sent to user.
Wherein, the USB interface is connected to master controller；The memory module is connected to master controller；The water induction
The output end of module is connected to the input of master controller；The output end of the master controller is connected to the input of trigger module
End；The output end of the master controller is connected to the input of illuminating lamp；The output end of the master controller is connected to mould of alarming
The input of block；The output end of the power supply module is connected to the input of master controller；The intelligent terminal passes through channel radio
Letter module is connected to master controller.
It is main described in a kind of lifesaving usb key chain control system of the utility model as further optimization of the present utility model
Controller uses ATmega64 single-chip microcomputers.
As further optimization of the present utility model, USB described in a kind of lifesaving usb key chain control system of the utility model
Interface uses CH375 chips.
As further optimization of the present utility model, when described in a kind of lifesaving usb key chain control system of the utility model
Clock module uses DS1302 clock chips.
It is warm described in a kind of lifesaving usb key chain control system of the utility model as further optimization of the present utility model
Control module uses semiconductor chilling plate.
Control effect：A kind of lifesaving usb key chain control system of the utility model, key chain is combined with USB flash disk, and
And the overboard function of floating automatically is made it have, and illuminating lamp is lighted, in night convenient confirmation position, and pass through radio communication
Module sends life saving signal to user.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of hardware structure diagram of lifesaving usb key chain control system of the utility model.
Fig. 2 is a kind of circuit diagram of the master controller of lifesaving usb key chain control system of the utility model.
Fig. 3 is the utility model a kind of trigger module, the circuit diagram of air bag of lifesaving usb key chain control system.
Fig. 4 is a kind of circuit diagram of the USB interface of lifesaving usb key chain control system of the utility model.
Fig. 5 is a kind of circuit diagram of the memory module of lifesaving usb key chain control system of the utility model.
Fig. 6 is a kind of circuit diagram of the water induction module of lifesaving usb key chain control system of the utility model.
Fig. 7 is a kind of circuit diagram of the illuminating lamp of lifesaving usb key chain control system of the utility model.
Fig. 8 is a kind of circuit diagram of the alarm module of lifesaving usb key chain control system of the utility model.
Fig. 9 is a kind of circuit diagram of the wireless communication module of lifesaving usb key chain control system of the utility model.
Figure 10 is a kind of circuit diagram of the power supply module of lifesaving usb key chain control system of the utility model.
Embodiment
Embodiment one：
Illustrate present embodiment, a kind of lifesaving USB keys described in present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10
Spoon chain control system include master controller, USB interface, power supply module, memory module, water induction module, trigger module, air bag,
Illuminating lamp, alarm module, wireless communication module, intelligent terminal, key chain is combined with USB flash disk, and make it have it is overboard from
The dynamic function of floating, and illuminating lamp is lighted, rescued in night convenient confirmation position, and by wireless communication module to user's transmission
Raw signal.
Wherein, the USB interface is connected to master controller, and USB interface uses CH375 chips, the D0 of USB interface, D1,
D2, D3, D4, D5, D6, D7, A0, RD, WR, CS, INT end respectively with the PF0 of master controller, PF1, PF2, PF3, PF4, PF5,
PF6, PF7, PA0, PA1, PA2, PA3, PA4 pin are connected.
The memory module is connected to master controller, and memory module uses K9F1208 storage chips, K9F1208 storage cores
Piece is Flash memory chip, and master controller judges whether Flash read-writes complete by reading R/B pins, if read
Write, then R/B pins just are represented just to hurry for low level, if read-write is completed, R/B pin levels are uprised, in READY (preparation)
State, waits subsequent operation.The two signals of ALE and CLE are that rising edge is effective.WP pins are write-protect, are worked as protecting
Power supply due to switching etc. cause it is unstable in the case of lose the situations of data, IO0 to IO7 is used to realize data transfer, IO0,
IO1, IO2, IO3, IO4, IO5, IO6, IO7 pin respectively with the PB0 of master controller, PB1, PB2, PB3, PB4, PB5, PB6,
PB7 is connected, R/B, RE, CE, CLE, ALE, WE, WP pin respectively with the PC7 of master controller, PC6, PC5, PC4, PC3, PC2,
PC1 pins are connected.
The output end of the water induction module is connected to the input of master controller, the OUT_H ends of water induction module and master
The PA5 pins of controller are connected, and water induction module uses electrode type water sensor, is placed on the outside of usb key chain, electrode
After immersion, resistance changes, so as to cause voltage to change, by voltage comparator, obtains external status level, and pass
Master controller is given to be handled.
The output end of the master controller is connected to the input of trigger module, the OUT1 ends of trigger module and master controller
PA7 pins be connected, trigger module uses electromagnetic type relay, because relay can produce obvious interference, thus after
Add around electrical equipment and used cooperatively while anti-jamming circuit with photoelectrical coupler so that the triggering electricity of master controller and trigger module
Road Phototube Coupling.When usb key chain falls into the water, the PA7 pins of master controller send high level signal to trigger module, from
And it is electric to obtain relay coil, the normally opened contact closure of relay accesses air bag, airbag-releasing produces buoyancy in water, made
On usb key chain climbs up on top of the water.
The output end of the trigger module is connected to the input of air bag, and trigger module uses electromagnetic type relay, due to
Relay can produce obvious interference, therefore adding with photoelectrical coupler to coordinate while anti-jamming circuit around relay makes
With so that the triggers circuit Phototube Coupling of master controller and trigger module, when usb key chain falls into the water, master controller
PA7 pins send high level signal to trigger module, so that relay coil obtains electric, the normally opened contact closure of relay connects
Enter air bag, airbag-releasing produces buoyancy in water, make on usb key chain climbs up on top of the water.
The output end of the master controller is connected to the input of illuminating lamp, and illuminating lamp uses XTE model LED, white light LEDs
Fundamental characteristics be by the magnitudes of current of white light LEDs and the linear proportional relation of luminous quantity, therefore, the strict positive electricity of control LED
Stream is as important for the luminous quantity needed for acquisition.Q1 base stage LED1 ends are connected with the PC0 pins of master controller, D1
For Zener diode, as constant pressure source be added in Q2 grid base extremely on, because base bias is stable, collector current is also with steady
It is fixed, it is ensured that electric current and brightness stability.
The output end of the master controller is connected to the input of alarm module, and alarm module uses buzzer, due to honeybee
The device that rings is direct voltage drive device, it is only necessary to buzzer for upper specified voltage with regard to that can drive buzzer sounding, buzzer
Operating current than larger, therefore Current amplifier is driven buzzer sounding, master controller by master controller by NPN triode
PA6 pins be connected with the LS1 ends of alarm module, NPN triode Q9 base stage, resistance R18 are connected to by a resistance R18
For current-limiting resistance, prevent from flowing through the excessive damage triode of NPN triode Q9 base currents, resistance R17 has two effects, first
Effect is pull down resistors of the R17 equivalent to NPN triode Q9 base stages, if LS1 inputs are hanging, due to R17 presence energy
NPN triode Q9 is enough set to be maintained at reliable off state, second effect is that R17 can lift the threshold voltage of high level；C17
For power filtering capacitor, for filtering out power supply high frequency spurs；Electric capacity C18 can effectively be filtered out dry in the case where there is strong interference environment
Disturb signal, it is to avoid buzzer is changed voice and unexpected sounding；The PA6 pins of master controller send high level to the LS1 ends of alarm module
When, NPN triode Q9 conductings, buzzer carries out sounding reminding.
The output end of the power supply module is connected to the input of master controller, and power supply module uses the 3V of CR2016 models
Button cell is powered, 3V control source boost modules AH805 3 pins, boost module AH805 output+5V voltages, power supply
Module provides+5V voltages for system, by VCC ends to system power supply.
The intelligent terminal is connected to master controller by wireless communication module, and wireless communication module uses MC55 modules,
MC55 modules also support Packet Service function in addition to the original function of CSM modules, have embedded ICP/IP protocol, Ke Yizhi
Connect and Internet intercommunications；Its data input, output interface are actually an asynchronous serial transceiver, meet RS232 and connect
Mouth standard, and have fixed parameter, 8 data bit and 1 stop position, no parity check position, it and master controller cooperate, jointly
Complete the remote transmission of data；Intelligent terminal receives the data message that master controller is transmitted, main control by wireless communication module
The PD5 pins of device are connected with the IGT ends of wireless communication module, for starting MC55 modules；PE0, PE1 pin of master controller
It is connected respectively with RXD0, TXD0 end of wireless communication module, carries out the input and output of data；The PD4 pins of master controller with
The RINGO ends of wireless communication module are connected, and are used as the interrupt signal of data transfer.
Embodiment two：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10, the master controller uses ATmega64 monolithics
Machine.The ATmega64 single-chip microcomputers component is ISP in the high-density nonvolatile memory techniques production of atmel corp, piece
Flash storage can repeatedly be programmed by SPI, Communication Programming device or bootstrap.Bootstrap can use any interface
To download applications into flash storage.The ATmega64 single-chip microcomputers are 8 low-power consumption based on AVR risc architectures
CMOS microprocessors.Its data throughput is up to 1MIPS/MHz, therefore can be with the lance between the power consumption and processing speed of relieving system
Shield.
Embodiment three：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10, the USB interface uses CH375 chips.Institute
It is a kind of general usb bus interface chip to state CH375 chips, supports USB-HOST modes and USB-DEVICE/SLAVE side
There is formula, CH375 8 bit data bus and reading and writing, piece to select control line and interrupt output, can easily be articulated to single-chip microcomputer
On system bus Deng controller.CH375 chip internals be integrated with PLL frequency multipliers, principal and subordinate USB interface SIE, data buffer zone,
Passive parallel interface, Asynchronous Serial Interface, command interpreter, the protocol processor of controlling transmission, general firmware program etc..
PLL frequency multipliers are used for the 12MHz clock multipliers of outside input to 48MHz, are used as USB interface SIE clocks；Principal and subordinate USB interface
Receive and send for completing the usb data of physics, data buffer zone is used for the data for buffering USB interface SIE transmitting-receivings；Passively simultaneously
Line interface is used to exchange data with external microcontroller with Asynchronous Serial Interface；Command interpreter is used to analyze and perform outside monolithic
The various orders that machine is submitted；The protocol processor of controlling transmission is used for the multiple stages for automatically processing conventional controlling transmission, letter
Outside the pale of civilization portion's firmware programs；General firmware program then realizes USB related protocol.
Embodiment four：
Illustrate present embodiment with reference to Fig. 1,2,3,4,5,6,7,8,9,10, the wireless communication module uses MC55 moulds
Block.The MC55 modules are advanced wireless module of the Siemens with a full set of voice-and-data functions of GSM/GPRS.Its is extra small
Volume ----functional all concentrate in one piece of integrated chip (only 50x 33x 7.2mm)；Most easy exploitation ----interior
Embedding ICP/IP protocol stack, allows user farthest to shorten the R＆D cycle of GPRS products.MC55 can be configured, and be made
Outside input, the outside control of output interface offer are obtained using more effectively, so as to make MC55 products be more suitable for M2M solutions.
A kind of operation principle of lifesaving usb key chain control system of the utility model is：A kind of lifesaving USB of the utility model
Key chain control system, power supply module is powered using button cell to lifesaving usb key chain, and memory module is used to store phase
The transmitting data information of pass, when lifesaving usb key chain falls into the water, the electrode type water sensor in water induction module immerses water
In, resistance is changed, so as to change voltage, and master controller is sent to by voltage comparator, and master controller is by voltage change
Signal generates corresponding control instruction after being handled, send the relay coil in trigger module, trigger module to and obtain electric, often
The closing of contact is opened, makes circuit turn-on where air bag, airbag-releasing produces buoyancy, lifesaving usb key chain is floated on the surface, together
When, main controller controls illuminating lamp lights, and drives alarm module sounding alarm, is easy to determine the position of key chain at night, when
Lifesaving usb key chain falls into the water, and overboard signal is sent to the intelligent terminal of user by master controller by wireless communication module,
User is helped to find that key is overboard in time.
Although the utility model is disclosed as above with preferred embodiment, it is not limited to the utility model, appoints
What person skilled in the art, is not departing from spirit and scope of the present utility model, can do various changes and modification, therefore
What protection domain of the present utility model should be defined by claims is defined.
Claims (4)
1. a kind of lifesaving usb key chain control system, it is characterised in that the lifesaving usb key chain control system includes master control
It is device processed, USB interface, power supply module, memory module, water induction module, trigger module, air bag, illuminating lamp, alarm module, wireless
Communication module, intelligent terminal, the USB interface are connected to master controller；The memory module is connected to master controller；The water
The output end of induction module is connected to the input of master controller；The output end of the master controller is connected to the defeated of trigger module
Enter end；The output end of the trigger module is connected to the input of air bag；The output end of the master controller is connected to illuminating lamp
Input；The output end of the master controller is connected to the input of alarm module；The output end connection of the power supply module
The input of master controller；The intelligent terminal is connected to master controller by wireless communication module.
2. a kind of lifesaving usb key chain control system according to claim 1, it is characterised in that：The master controller is adopted
Use ATmega64 single-chip microcomputers.
3. a kind of lifesaving usb key chain control system according to claim 1, it is characterised in that：The USB interface is used
CH375 chips.
4. a kind of lifesaving usb key chain control system according to claim 1, it is characterised in that：The radio communication mold
Block uses MC55 modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351978.1U CN206606339U (en) | 2017-04-06 | 2017-04-06 | A kind of lifesaving usb key chain control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351978.1U CN206606339U (en) | 2017-04-06 | 2017-04-06 | A kind of lifesaving usb key chain control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206606339U true CN206606339U (en) | 2017-11-03 |
Family
ID=60174727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720351978.1U Expired - Fee Related CN206606339U (en) | 2017-04-06 | 2017-04-06 | A kind of lifesaving usb key chain control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206606339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113269948A (en) * | 2021-04-01 | 2021-08-17 | 广州海格通信集团股份有限公司 | Emergency lifesaving terminal equipment |
-
2017
- 2017-04-06 CN CN201720351978.1U patent/CN206606339U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113269948A (en) * | 2021-04-01 | 2021-08-17 | 广州海格通信集团股份有限公司 | Emergency lifesaving terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171103 Termination date: 20180406 |