CN2667831Y - Electronic waterproof mobile telephone - Google Patents
Electronic waterproof mobile telephone Download PDFInfo
- Publication number
- CN2667831Y CN2667831Y CNU2003201164877U CN200320116487U CN2667831Y CN 2667831 Y CN2667831 Y CN 2667831Y CN U2003201164877 U CNU2003201164877 U CN U2003201164877U CN 200320116487 U CN200320116487 U CN 200320116487U CN 2667831 Y CN2667831 Y CN 2667831Y
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Abstract
The utility model relates to an electrically waterproof cell phone adopting the technique of electrically waterproof protection. The utility model has a circuit board, a field effect tube, a bistable circuit, a water triggering circuit and a resetting circuit. The field effect tube, the bistable circuit, the water triggering circuit and the resetting circuit are all arranged on the circuit board. The source electrode of the field effect tube works as the input end of battery, and the drain electrode of the field effect tube is used as power supplying end of circuit in the cell phone. The control end of the bistable circuit is connected with the grid of the field effect tube, and the triggering end of the bistable circuit is connected with the water triggering circuit. The resetting circuit is connected with the drain electrode of the field effect tube or the control end of the bistable circuit. To sum up, the utility model has the advantages of simple structure, simple circuit, low cost and easy implementation, with no need to change circuit of original cell phone, no need to do waterproof and airtight process for traditional cell phone, no negative influence to performance and function of original cell phone and no change about usage convention for primary user of the cell phone.
Description
One. technical field:
The utility model relates to a kind of waterproof mobile phone, is a kind of electronics waterproof mobile phone that adopts electronics waterproofing protection technology.
Two. background technology:
At present, after mobile phone was drenched by water or is immersed in water, under situation about powering up, because the result of electrochemical reaction, it was bad to cause mobile phone circuit to be corroded, even scraps.In order to address the above problem; the general employing carried out the measure of waterproof sealing to mobile phone circuit; as: Siemens's 3518 type mobile phones; it has water-proof function; but the charging jack and the earphone jack of this mobile phone all must be blocked up; and under the locked situation of this battery of mobile phone cover latch, just can reach the purpose of waterproofing protection after the electronic circuit of this mobile phone sealed fully.But its complex structure has also brought a lot of inconvenience for the user like this; As: because of having forgotten that the charging jack or the earphone jack of this mobile phone are blocked up, the water-proof function of this mobile phone is performed practically no function.
Three. summary of the invention:
The utility model with electronic technology solved mobile phone drenched by water or be immersed in water after cause the problem damaged.
The utility model reaches by the following technical programs: this electronics waterproof mobile phone comprises circuit board of mobile phone, field effect transistor, bistable circuit, water circuits for triggering and reset circuit, field effect transistor, bistable circuit, water circuits for triggering and reset circuit are contained on the circuit board of mobile phone, the source electrode of field effect transistor is as the input of battery, the drain electrode of field effect transistor is as the feeder ear of mobile phone, the grid of the control termination field effect transistor of bistable circuit, the trigger end water receiving circuits for triggering of bistable circuit, reset circuit connects the drain electrode of field effect transistor or the control end of bistable circuit.
Above-mentioned field effect transistor adopts P-channel field-effect transistor (PEFT) pipe or N channel field-effect pipe.
When above-mentioned field effect transistor adopted the P-channel field-effect transistor (PEFT) pipe, the source electrode of field effect transistor was as the electrode input end of battery, and the drain electrode of field effect transistor is as the anodal feeder ear of mobile phone; When above-mentioned field effect transistor adopted N channel field-effect pipe, the source electrode of field effect transistor was as the negative input of battery, and the drain electrode of field effect transistor is as the negative pole feeder ear of mobile phone.
The anodal feeder ear of above-mentioned mobile phone and the negative pole feeder ear of mobile phone are the charging end of battery.
When above-mentioned bistable circuit comprises a NPN type triode, P-channel field-effect transistor (PEFT) pipe and resistance, the collector electrode of the grid of field effect transistor and a NPN type triode is connected, the emitter of this triode and the negative input of battery are connected, the base stage of this triode is connected by the negative input of second resistance and battery, the base stage of this triode is connected by the anodal feeder ear of first resistance and mobile phone, and the collector electrode of this triode is connected by the electrode input end of second resistance and battery; The water circuits for triggering comprise the 2nd NPN type triode, the trigger end of the bistable circuit i.e. collector electrode of the 2nd NPN type triode of the base stage of a NPN type triode and water circuits for triggering is connected, the emitter of the 2nd NPN type triode and the negative input of battery are connected, the base stage and the water trigger end of the 2nd NPN type triode are connected, the negative pole feeder ear of the negative input of battery and mobile phone is connected, and the reset terminal of reset circuit is the anodal feeder ear of mobile phone.
When above-mentioned bistable circuit comprises first inverter, P-channel field-effect transistor (PEFT) pipe and resistance, the output of the grid of field effect transistor and first inverter is connected, the input of this inverter is connected by the negative input of second resistance and battery, the input of this inverter is connected by the anodal feeder ear of first resistance and mobile phone, and the output of this inverter is connected by the electrode input end of the 3rd resistance and battery; The water circuits for triggering comprise second inverter, the trigger end of the bistable circuit i.e. output of second inverter of the input of first inverter and water circuits for triggering is connected, the input of second inverter and water trigger end are connected, the negative pole feeder ear of the negative input of battery and mobile phone is connected, and the reset terminal of reset circuit is the anodal feeder ear of mobile phone.
When the logic control circuit in the above-mentioned bistable electro route mobile phone constitutes, the control output end of logic control circuit and the grid of field effect transistor are connected, the grid of field effect transistor is connected by the negative or positive electrode input of the 3rd resistance and battery, and the input of logic control circuit and water trigger end are connected.
Operation principle of the present utility model: as shown in Figure 1, under normal condition, field effect transistor is in conducting state, makes battery give the power electronics of mobile phone; After mobile phone is drenched by water or is immersed in water, the trigger end of water circuits for triggering by bistable circuit makes the bistable circuit upset that is triggered, thereby by controlling field effect transistor by entering guard mode, thereby cut off the power supply that battery is given mobile phone, like this under the situation that does not have electricity, mobile phone circuit will significantly reduce even not have electrochemical reaction, therefore just can play to drenched by water or be immersed in water after the protective effect of mobile phone; After the electronic circuit of mobile phone is thoroughly dried, make the bistable circuit upset that is triggered by reset circuit, thereby make field effect transistor return to conducting state, make the power electronics of battery bio-occlusion mobile phone, and can be directly by field effect transistor to battery charge.
Advantage of the present utility model is: simple in structure, circuit is simple, cost is low, be convenient to implement, do not need the former electronic circuit of mobile phone that used is just changed and can be implemented, can not need that mobile phone is carried out waterproof sealing and handle, not influence the performance and the function of former mobile phone, also not influence former cellie's use habit.
Four. description of drawings:
Fig. 1 is a fundamental diagram of the present utility model,
Fig. 2 is the structural representation of the utility model embodiment 1,
Fig. 3 is the structural representation of the utility model embodiment 2,
Fig. 4 is the structural representation of the utility model embodiment 3,
Among the figure: 1 is the electrode input end of battery; 2 is the negative input of battery; 3 is the anodal feeder ear of mobile phone; 4 is the negative pole feeder ear of mobile phone; 5 is the water trigger end; A. be circuit board of mobile phone; T. field effect transistor; S. the source electrode of field effect transistor; D. the drain electrode of field effect transistor; G. the grid of field effect transistor; Q1. a NPN type triode; Q2. the 2nd NPN type triode; C. the collector electrode of triode; B. the base stage of triode; E. the emitter of triode; R1. first resistance; R2. second resistance; R3. the 3rd resistance; IC1. first inverter; IC2. second inverter; Logic control circuit in the CPU mobile phone.
Five. embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, this electronics waterproof mobile phone comprises circuit board of mobile phone A, field effect transistor T, bistable circuit, water circuits for triggering and reset circuit, field effect transistor T, bistable circuit, water circuits for triggering and reset circuit are contained on the circuit board of mobile phone A, the source S of field effect transistor T is as the input of battery, the drain D of field effect transistor T is as the feeder ear of mobile phone, the grid G of the control termination field effect transistor of bistable circuit, the trigger end water receiving circuits for triggering of bistable circuit, reset circuit connects the drain electrode of field effect transistor or the control end of bistable circuit.
Wherein:
As shown in Figure 1, when field effect transistor T adopts the P-channel field-effect transistor (PEFT) pipe, the source S of field effect transistor T is as the electrode input end 1 of battery, and the drain D of field effect transistor T is the charging end of battery as the anodal feeder ear 3 of anodal feeder ear 3. mobile phones of mobile phone and the negative pole feeder ear 4 of mobile phone.When bistable circuit comprises a NPN type triode Q1, P-channel field-effect transistor (PEFT) pipe T and resistance, the collector electrode c of the grid G of field effect transistor T and a NPN type triode Q1 is connected, the emitter e of this triode Q1 and the negative input 2 of battery are connected, the base stage b of this triode Q1 is connected by the negative input 2 of second resistance R 2 with battery, the base stage b of this triode Q1 is connected by the anodal feeder ear 3 of first resistance R 1 with mobile phone, and the collector electrode c of this triode Q1 is connected by the electrode input end 1 of the 3rd resistance R 3 with battery; The water circuits for triggering comprise the 2nd NPN type triode Q2, the trigger end of the bistable circuit i.e. collector electrode c of the 2nd NPN type triode Q2 of the base stage b of a NPN type triode Q1 and water circuits for triggering is connected, the emitter e of the 2nd NPN type triode Q2 and the negative input 2 of battery are connected, base stage b and the water trigger end 5 of the 2nd NPN type triode Q2 are connected, the negative input 2 of battery is connected with the negative pole feeder ear 4 of mobile phone, and the reset terminal of reset circuit is the anodal feeder ear 3 of mobile phone.
The operation principle of embodiment 1: under initial condition, source S and the drain D of field effect transistor T are in cut-off state, this moment is by negative pole feeder ear 4 chargings of the anodal feeder ear 3 and the mobile phone of mobile phone, make a NPN type triode Q1 conducting, thereby the grid G current potential of field effect transistor T is descended, thereby making the source S of field effect transistor T and drain D be in conducting state, remove charger this moment just can make battery give the power electronics of mobile phone; After mobile phone is drenched by water or is immersed in water, because the electric action of water is raised water trigger end 5 current potentials, thereby make the 2nd NPN type triode Q2 conducting, the one NPN type triode Q1 is ended, the grid G current potential of field effect transistor T is drawn high by the 3rd resistance R 3, thereby make the source S of field effect transistor T and drain D by and enter guard mode, thereby cut off the power supply that battery is given mobile phone, like this under the situation that does not have electricity, mobile phone circuit will significantly reduce even not have electrochemical reaction, therefore just can play to drenched by water or be immersed in water after the protective effect of mobile phone; After the electronic circuit of mobile phone is thoroughly dried, reset by the anodal feeder ear 3 of mobile phone and negative pole feeder ear 4 chargings of mobile phone, make the bistable circuit upset that is triggered, thereby make field effect transistor return to conducting state, make the power electronics of battery bio-occlusion mobile phone, and can be directly by field effect transistor to battery charge.
Embodiment 2:
As shown in figures 1 and 3, be with the difference of embodiment 1: bistable circuit comprises first inverter ic 1, P-channel field-effect transistor (PEFT) pipe T and resistance, the output of the grid G of field effect transistor T and first inverter ic 1 is connected, the input of this inverter ic 1 is connected by the negative input 2 of second resistance R 2 with battery, the input of this inverter ic 1 is connected by the anodal feeder ear 3 of first resistance R 1 with mobile phone, and the output of this inverter ic 1 is connected by the electrode input end 1 of the 3rd resistance R 3 with battery; The water circuits for triggering comprise second inverter ic 2, the trigger end of the bistable circuit i.e. output of second inverter ic 2 of the input of first inverter ic 1 and water circuits for triggering is connected, the input of second inverter ic 2 and water trigger end 5 are connected, the negative input 2 of battery is connected with the negative pole feeder ear 4 of mobile phone, and the reset terminal of reset circuit is the anodal feeder ear 3 of mobile phone.
Embodiment 3:
As shown in Figure 1 and Figure 4, be with the difference of embodiment 1 and embodiment 2: the logic control circuit CPU in the bistable electro route mobile phone constitutes, the grid G of the control output end of logic control circuit and field effect transistor T is connected, the grid of field effect transistor T is connected by the electrode input end of the 3rd resistance R 3 with battery, and the input of logic control circuit and water trigger end 5 are connected.
Claims (7)
1. electronics waterproof mobile phone that adopts electronics waterproofing protection technology; it is characterized in that comprising circuit board of mobile phone; field effect transistor; bistable circuit; water circuits for triggering and reset circuit; field effect transistor; bistable circuit; water circuits for triggering and reset circuit are contained on the circuit board of mobile phone; the source electrode of field effect transistor is as the input of battery; the drain electrode of field effect transistor is as the feeder ear of mobile phone circuit; the grid of the control termination field effect transistor of bistable circuit; the trigger end water receiving circuits for triggering of bistable circuit, reset circuit connects the drain electrode of field effect transistor or the control end of bistable circuit.
2. electronics waterproof mobile phone as claimed in claim 1 is characterized in that field effect transistor adopts P-channel field-effect transistor (PEFT) pipe or N channel field-effect pipe.
3. electronics waterproof mobile phone as claimed in claim 2 is characterized in that the source electrode of field effect transistor is as the electrode input end of battery when above-mentioned field effect transistor adopts the P-channel field-effect transistor (PEFT) pipe, and the drain electrode of field effect transistor is as the anodal feeder ear of mobile phone; When above-mentioned field effect transistor adopted N channel field-effect pipe, the source electrode of field effect transistor was as the negative input of battery, and the drain electrode of field effect transistor is as the negative pole feeder ear of mobile phone.
4. electronics waterproof mobile phone as claimed in claim 1 is characterized in that the anodal feeder ear of mobile phone and the negative pole feeder ear of mobile phone are the charging end of battery.
5. as claim 1 or 2 or 3 or 4 described electronics waterproof mobile phones, it is characterized in that comprising a NPN type triode when bistable circuit, when P-channel field-effect transistor (PEFT) pipe and resistance, the collector electrode of the grid of field effect transistor and a NPN type triode is connected, the emitter of this triode and the negative input of battery are connected, the base stage of this triode is connected by the negative input of second resistance and battery, the base stage of this triode is connected by the anodal feeder ear of first resistance and mobile phone, and the collector electrode of this triode is connected by the electrode input end of second resistance and battery; The water circuits for triggering comprise the 2nd NPN type triode, the trigger end of the bistable circuit i.e. collector electrode of the 2nd NPN type triode of the base stage of a NPN type triode and water circuits for triggering is connected, the emitter of the 2nd NPN type triode and the negative input of battery are connected, the base stage and the water trigger end of the 2nd NPN type triode are connected, the negative pole feeder ear of the negative input of battery and mobile phone is connected, and the reset terminal of reset circuit is the anodal feeder ear of mobile phone.
6. as claim 1 or 2 or 3 or 4 described electronics waterproof mobile phones, it is characterized in that when bistable circuit comprises first inverter, P-channel field-effect transistor (PEFT) pipe and resistance, the output of the grid of field effect transistor and first inverter is connected, the input of this inverter is connected by the negative input of second resistance and battery, the input of this inverter is connected by the anodal feeder ear of first resistance and mobile phone, and the output of this inverter is connected by the electrode input end of the 3rd resistance and battery; The water circuits for triggering comprise second inverter, the trigger end of the bistable circuit i.e. output of second inverter of the input of first inverter and water circuits for triggering is connected, the input of second inverter and water trigger end are connected, the negative pole feeder ear of the negative input of battery and mobile phone is connected, and the reset terminal of reset circuit is the anodal feeder ear of mobile phone.
7. as claim 1 or 2 or 3 or 4 described electronics waterproof mobile phones, it is characterized in that when the logic control circuit in the bistable electro route mobile phone constitutes, the control output end of logic control circuit and the grid of field effect transistor are connected, the grid of field effect transistor is connected by the negative or positive electrode input of the 3rd resistance and battery, and the input of logic control circuit and water trigger end are connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2003201164877U CN2667831Y (en) | 2003-11-11 | 2003-11-11 | Electronic waterproof mobile telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2003201164877U CN2667831Y (en) | 2003-11-11 | 2003-11-11 | Electronic waterproof mobile telephone |
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CN2667831Y true CN2667831Y (en) | 2004-12-29 |
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CNU2003201164877U Expired - Fee Related CN2667831Y (en) | 2003-11-11 | 2003-11-11 | Electronic waterproof mobile telephone |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101179607B (en) * | 2007-05-30 | 2010-09-22 | 青岛海信移动通信技术股份有限公司 | Mobile phone with battery waterproof function |
CN101106264B (en) * | 2006-07-14 | 2010-12-22 | 鸿富锦精密工业(深圳)有限公司 | Waterproof automatic protection device of electronic device |
CN102243479A (en) * | 2010-05-11 | 2011-11-16 | 神基科技股份有限公司 | Electronic device for conditional power supply |
CN102904211A (en) * | 2012-10-26 | 2013-01-30 | 北京小米科技有限责任公司 | Apparatus protection device and safety circuit |
CN106451647A (en) * | 2016-11-08 | 2017-02-22 | 谢乐 | Protective circuit |
EP3131203A4 (en) * | 2014-04-09 | 2017-11-22 | Shanghai Shift Electrics Co. Ltd | Device with controllable switch end voltage |
CN110120654A (en) * | 2019-05-09 | 2019-08-13 | 深圳市沃特沃德股份有限公司 | Waterproofing protection circuit and electronic equipment |
-
2003
- 2003-11-11 CN CNU2003201164877U patent/CN2667831Y/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101106264B (en) * | 2006-07-14 | 2010-12-22 | 鸿富锦精密工业(深圳)有限公司 | Waterproof automatic protection device of electronic device |
CN101179607B (en) * | 2007-05-30 | 2010-09-22 | 青岛海信移动通信技术股份有限公司 | Mobile phone with battery waterproof function |
CN102243479A (en) * | 2010-05-11 | 2011-11-16 | 神基科技股份有限公司 | Electronic device for conditional power supply |
US8446049B2 (en) | 2010-05-11 | 2013-05-21 | Getac Technology Corporation | Electronic apparatus and method for conditionally power supplying |
CN102904211A (en) * | 2012-10-26 | 2013-01-30 | 北京小米科技有限责任公司 | Apparatus protection device and safety circuit |
WO2014063502A1 (en) * | 2012-10-26 | 2014-05-01 | 小米科技有限责任公司 | Device protection apparatus and safety circuit |
CN102904211B (en) * | 2012-10-26 | 2016-02-03 | 小米科技有限责任公司 | Apparatus protective device and a kind of safety circuit |
EP3131203A4 (en) * | 2014-04-09 | 2017-11-22 | Shanghai Shift Electrics Co. Ltd | Device with controllable switch end voltage |
US10792137B2 (en) * | 2014-04-09 | 2020-10-06 | Shanghai Shift Electrics Co., Ltd. | Device with controllable switch terminal voltage |
CN106451647A (en) * | 2016-11-08 | 2017-02-22 | 谢乐 | Protective circuit |
CN110120654A (en) * | 2019-05-09 | 2019-08-13 | 深圳市沃特沃德股份有限公司 | Waterproofing protection circuit and electronic equipment |
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Addressee: Qiu Song Document name: payment instructions |
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CF01 | Termination of patent right due to non-payment of annual fee |