CN206400749U - A kind of overboard warning system of mobile phone - Google Patents
A kind of overboard warning system of mobile phone Download PDFInfo
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- CN206400749U CN206400749U CN201621458676.6U CN201621458676U CN206400749U CN 206400749 U CN206400749 U CN 206400749U CN 201621458676 U CN201621458676 U CN 201621458676U CN 206400749 U CN206400749 U CN 206400749U
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- overboard
- mobile phone
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Abstract
The utility model discloses a kind of overboard warning system of mobile phone, including overboard detection circuit, triggers circuit, main control chip and the warning circuit being linked in sequence, wherein, overboard detection circuit is used to detect whether mobile phone is overboard, and when mobile phone is overboard start triggering circuit, triggers circuit sends signal to main control chip, and main control chip is according to the signal enabling warning circuit received.Such a warning system can carry out alarm when mobile phone is overboard, remind user in time to take out mobile phone.
Description
Technical field
The utility model belongs to communication tool technical field, more particularly to it is a kind of can be alarmed when mobile phone is overboard be
System.
Background technology
Three proofings mobile phone is main at waterproof and dustproof, shockproof aspect, passes through the structure design of closing, it is ensured that interior of mobile phone circuit
Do not influenceed by extraneous complex environment, even if classification of waterproof reaches that IPX8 mobile phone also only can guarantee that in certain depth of water director
Between soak, if soaking time is long, it would still be possible to cause inner inlet.Existing three proofings mobile phone is general lack of can be overboard in mobile phone
The function of actively being pointed out, when mobile phone is overboard, it is impossible to remind user in time to take out mobile phone.The utility model is existing based on this
Shape, designs and develops corresponding overboard warning system, to solve the above problems.
Utility model content
The purpose of this utility model, is to provide a kind of mobile phone overboard warning system, it can be reported when mobile phone is overboard
Alert prompting, reminds user in time to take out mobile phone.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of overboard warning system of mobile phone, including overboard detection circuit, triggers circuit, main control chip and the report being linked in sequence
Alert circuit, wherein, overboard detection circuit is used to detect whether mobile phone is overboard, and the start triggering circuit when mobile phone is overboard, triggering
Circuit sends signal to main control chip, and main control chip is according to the signal enabling warning circuit received.
Above-mentioned overboard detection circuit includes a pair of detection pole pieces on mobile phone, and the pair of detection pole piece is located at mobile phone
Shell, and at a distance of setpoint distance.
Two perforates are opened up with setpoint distance on above-mentioned phone housing, a pair of detection pole pieces are respectively arranged in two perforates,
And sealed between detection pole piece and perforate with marine glue.
Above-mentioned triggers circuit include the first triode, the second triode, the first voltage-stabiliser tube, the second voltage-stabiliser tube, the first electric capacity,
Second electric capacity, and the first to the 6th resistance, wherein, one end of overboard detection circuit connects the negative electrode of the first voltage-stabiliser tube, first
The plus earth of voltage-stabiliser tube, the first electric capacity is attempted by the two ends of the first voltage-stabiliser tube；The negative electrode of first voltage-stabiliser tube is via first resistor
The base stage of the first triode is connected, the base stage of the first triode is also grounded via 3rd resistor, and the emitter stage of the first triode connects
Ground；Base stage of the colelctor electrode of first triode through the 4th resistance the second triode of connection, the grounded emitter of the second triode, the
The colelctor electrode of two triodes is connected to main control chip as the output end of triggers circuit；The colelctor electrode of second triode is also through
Five resistance connect power supply, and the colelctor electrode of the second triode is through the 6th resistance eutral grounding；The other end connection second of overboard detection circuit
The negative electrode of voltage-stabiliser tube, the plus earth of the second voltage-stabiliser tube, the second electric capacity is attempted by the two ends of the second voltage-stabiliser tube, overboard detection circuit
The other end also through second resistance connect power supply.
Above-mentioned first triode is NPN type triode.
Above-mentioned second triode is PNP type triode.
Above-mentioned warning circuit includes buzzer and flash lamp.
After such scheme, the utility model can be played by flash lamp stroboscopic, loudspeaker when mobile phone is overboard and alarmed
The modes such as prompt tone, buzzer call carry out police instruction, to point out user in time to take out mobile phone from water；If mobile phone falls
Enter in the complicated waters of environment, by prompt messages user can be guided to find mobile phone；After mobile phone is overboard, it can also design logical
The communication module automatic dialing for crossing mobile phone specifies alarm call.
Brief description of the drawings
Fig. 1 is system block diagram of the present utility model；
Fig. 2 is that overboard detection circuit and triggers circuit realize circuit diagram in the utility model.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model is described in detail.
As shown in figure 1, the utility model provides a kind of overboard warning system of mobile phone, including the overboard detection electricity being linked in sequence
Road, triggers circuit, main control chip and warning circuit, wherein, overboard detection circuit is used to detect whether mobile phone is overboard, and in mobile phone
Start triggering circuit when overboard, triggers circuit sends signal to main control chip, and main control chip is according to the signal enabling report received
Alert circuit.
As shown in Fig. 2 be a kind of implementing circuit figure of the present utility model, wherein, overboard detection circuit includes a pair of detections
Pole piece WATER_DET_P, WATER_DET_M, when implementing, two perforates at a distance of about 5mm are opened up on phone housing and are put
Detection pole piece is put, and is internally sealed with marine glue.The structure design of perforate ensures：1) pole piece phase mutual conductance is can ensure that when overboard
It is logical；2) when mobile phone takes out the water surface, water can flow out from perforate.When mobile phone is overboard, water enters two perforates, leads pole piece
Logical, detection pole piece water inlet conducting, so as to connect triggers circuit, produces signal intensity.
The main components of the triggers circuit have triode Q1001, Q1002, wherein, Q1001 is NPN type triode,
Q1002 is PNP type triode；The physical circuit of triggers circuit also includes voltage-stabiliser tube D1003, D1002, electric capacity C1004,
C1005, and resistance R1001, R1002, R1003, R1009, R1005, R1006, wherein, WATER_DET_P connections D1003's
Negative electrode, D1003 plus earth, C1004 is attempted by D1003 two ends；D1003 negative electrode via R1001 connections Q1001 base
Pole, Q1001 base stage is also grounded via R1003, Q1001 grounded emitter；Q1001 colelctor electrode is through R1009 connections Q1002
Base stage, Q1002 grounded emitter, Q1002 colelctor electrode is connected to master control core as the output end M_GPIO of triggers circuit
Piece；Colelctor electrode of the Q1002 colelctor electrode also through R1005 connection power supplys VCC_1.8V, Q1002 is grounded through R1006；WATER_DET_
M connections D1002 negative electrode, D1002 plus earth, C1005 is attempted by D1002 two ends, and WATER_DET_M is also through R1002
Connect power vd D_3.3V.
The warning circuit includes buzzer and flash lamp, when mobile phone is overboard, realizes sound and light alarm.
In specific application, after during mobile phone drops water, the detection pole piece water inlet on fuselage is turned on the utility model, and three
Pole pipe Q1001 is turned on, while triode Q1002 is also switched on, makes M_GPIO by high step-down；Main control chip reads M_GPIO inputs
Signal intensity, concludes that mobile phone is overboard, sends instruction and allows buzzer sounding alarm, while flash lamp flashes.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected.
Claims (7)
1. a kind of overboard warning system of mobile phone, it is characterised in that：Including the overboard detection circuit being linked in sequence, triggers circuit, master
Chip and warning circuit are controlled, wherein, overboard detection circuit is used to detect whether mobile phone is overboard, and the startup triggering when mobile phone is overboard
Circuit, triggers circuit sends signal to main control chip, and main control chip is according to the signal enabling warning circuit received.
2. a kind of overboard warning system of mobile phone as claimed in claim 1, it is characterised in that：The overboard detection circuit includes one
To the detection pole piece on mobile phone, the pair of detection pole piece is located at phone housing, and at a distance of setpoint distance.
3. a kind of overboard warning system of mobile phone as claimed in claim 2, it is characterised in that：On the phone housing with set away from
Leave and set two perforates, a pair of detection pole pieces are respectively arranged in two perforates, and close with marine glue between detection pole piece and perforate
Envelope.
4. a kind of overboard warning system of mobile phone as claimed in claim 1, it is characterised in that：The triggers circuit includes the one or three
Pole pipe, the second triode, the first voltage-stabiliser tube, the second voltage-stabiliser tube, the first electric capacity, the second electric capacity, and the first to the 6th resistance, its
In, one end of overboard detection circuit connects the negative electrode of the first voltage-stabiliser tube, and the plus earth of the first voltage-stabiliser tube, the first electric capacity is attempted by
The two ends of first voltage-stabiliser tube；The negative electrode of first voltage-stabiliser tube connects the base stage of the first triode, the first triode via first resistor
Base stage be also grounded via 3rd resistor, the grounded emitter of the first triode；The colelctor electrode of first triode is through the 4th resistance
The base stage of the second triode is connected, the grounded emitter of the second triode, the colelctor electrode of the second triode is used as triggers circuit
Output end, is connected to main control chip；The colelctor electrode of second triode also connects power supply, the current collection of the second triode through the 5th resistance
The resistance eutral grounding of pole the 6th；The other end of overboard detection circuit connects the negative electrode of the second voltage-stabiliser tube, and the anode of the second voltage-stabiliser tube connects
Ground, the second electric capacity is attempted by the two ends of the second voltage-stabiliser tube, and the other end of overboard detection circuit also connects power supply through second resistance.
5. a kind of overboard warning system of mobile phone as claimed in claim 4, it is characterised in that：First triode is NPN type
Triode.
6. a kind of overboard warning system of mobile phone as claimed in claim 4, it is characterised in that：Second triode is positive-negative-positive
Triode.
7. a kind of overboard warning system of mobile phone as claimed in claim 1, it is characterised in that：The warning circuit includes buzzer
And flash lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458676.6U CN206400749U (en) | 2016-12-28 | 2016-12-28 | A kind of overboard warning system of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458676.6U CN206400749U (en) | 2016-12-28 | 2016-12-28 | A kind of overboard warning system of mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400749U true CN206400749U (en) | 2017-08-11 |
Family
ID=59516304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458676.6U Active CN206400749U (en) | 2016-12-28 | 2016-12-28 | A kind of overboard warning system of mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400749U (en) |
-
2016
- 2016-12-28 CN CN201621458676.6U patent/CN206400749U/en active Active
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