Claims (1)
丄 十、申請專利範圍: 1.一種電子設備.防水自動保護装置,其包括: 电池,其作為電子設備的電源; • 一主機電路板,其又包括: . 一電源管理模組’其完成電子設備的電壓分配; 一電子設備功能模組’其完成電子設備的各種功能; 一自動保護裝置,用於截斷電子設備的電路回路; 一水觸發裝置,用於感測濕度資訊並控制自動保護裝置的 w 狀態; 其特徵在於,所述自動保護裝置位於電池與電源管理模組 之間’採用電池直接供電;所述自動保護裝置包括—開關 控制電路和-鎖定延時電路,開關控制電路採用並聯的場 效電晶體作為開關控制電池與電源管理模組之間電路回 路的導通與截斷,鎖定延時電路用於鎖定由開關控制電路 控制的電路回路的狀態。 _ 2.如申睛專利絶圍帛i項所述的電子設備防水自動保護裝 置,其中,當開關控制電路處於正常導通的工作狀態時, 所述開關控制電路鎖定該導通狀態,當所述開關控制電路 處於關機截斷狀態時,所述鎖定延時電路鎖定該截斷狀 . 態。 • 3·如申請專利範圍第1項所述的電子設備防水自動保護裝 置’其中’所述開關控制電路採用P通道場效電晶體並聯 結構’並聯的P通道場效電晶體的閘極連接閘極、没極連 接汲極、源極連接源極,該並聯的p通道場效電晶體控制 14 ^ ^ 年月曰f正替換ϋ| 电池和電源管理模㈣電相路的導通與一I ’:申::利範圍f 3項所述的電子設備防水自動保護裝 ”,所述並聯P通道場效電晶體的源極與電池正極 5如由/及極連接電源管理模組,閘極與鎖定延時電路相連。 .請專·圍第ί項所述的電子設備防水自動保護裝 一’^,所述敎延時電路包括—Ν通道場效電晶體、 阻各電路、一放電電阻和一分壓電阻。 6. :申請專利範圍帛5項所述的電子設備防水自動保護裝 /、中,所述Ν通道場效電晶體用於接受並響應水觸 *電路的水觸發信號,所述阻容電路用於設定延時範圍並 啟動開關控制電路。 7. 如申請專利範㈣5項所述的電子㈣防水自動保護裝 置,其中,所述阻容電路採用一電阻和一電容串聯,阻容 電路中電阻的一端接電池正極,電容的一端接地,阻容電 路的串聯點連接Ν通道場效電晶體。 鲁8.如巾請專職圍帛7項所述的電子設備防水自動保護褒 置,其中,所述放電電阻的一端接電池正極,另一端接地7 9. 如申請專利範圍帛7項所述的電子設備防水自動保護裝 置,其中,所述分壓電阻由至少兩個或兩個以上的電阻串 聯而成,分麈電阻的一端接電源管理模組,另一端接地, s玄分壓電阻中的串聯點連接ν通道場效電晶體。 10. 如申請專利範圍第9項所述的電子設備防水自動保護裝 置,其中,所述Ν通道場效電晶體的源極與阻容電路的 串聯點、開關控制電路相連,閘極與水觸發裝置、分壓電 15 I S] 阻的串聯點相連,汲極接地。 - • U.如申切專利範圍第1項所述的電子設備防水自動保護裝 ^纟巾’所述水觸發裝置包括-濕度感應設備用於偵測 .#前電子設備所處㈣度資訊,並將之轉換為㈣值送至 • 比較電路。 12·如申明專利範圍第n項所述的電子設備防水自動保護裝 置/、中所述水觸發裝置還包括一比較控制電路至少包 括兩個輸入端和一個輸出端,一個輸入端用於接受濕度感 應設備偵測到的相當於當前濕度資訊的電壓值,一輸入端 =於接文從電源管理模組處獲得的一濕度參考電壓,輸出 端用於發送一水觸發信號給鎖定延時電路。 13.如申請專利範圍第12項所述的電子設備防水自動保護裝 置、,其中,t電子設備處於開機狀態時,若戶斤述水觸發信 f為=低電位信號’則電子設備進人自動關機保護狀態, 右所述水觸發#號為一高電位信號,則電子設備保持正常 % 工作狀態。 16丄10, the scope of application for patents: 1. An electronic device. Waterproof automatic protection device, comprising: a battery as a power source of the electronic device; • a host circuit board, which further comprises: a power management module 'which completes the electronic Voltage distribution of the device; an electronic device function module 'which performs various functions of the electronic device; an automatic protection device for cutting off the circuit circuit of the electronic device; a water trigger device for sensing humidity information and controlling the automatic protection device W state; characterized in that the automatic protection device is located between the battery and the power management module 'directly powered by a battery; the automatic protection device includes a switch control circuit and a lock delay circuit, and the switch control circuit is connected in parallel The field effect transistor is used as a switch to control the conduction and interruption of the circuit between the battery and the power management module, and the lock delay circuit is used to lock the state of the circuit loop controlled by the switch control circuit. _ 2. The electronic device waterproof automatic protection device described in the application of the patent application, wherein the switch control circuit locks the conduction state when the switch control circuit is in a normally conducting state, when the switch The lock delay circuit locks the truncated state when the control circuit is in the shutdown and off state. • 3. The electronic device waterproof automatic protection device as described in claim 1 wherein the switch control circuit uses a P-channel field effect transistor parallel structure 'parallel P-channel field effect transistor gate connection gate The pole and the immersion are connected to the drain and the source is connected to the source. The parallel p-channel field effect transistor controls 14 ^ ^ 曰 正 f is replaced ϋ | Battery and power management mode (4) Conduction of the electrical phase with an I ' :申:: The electronic device waterproof automatic protection device according to item 3, the source of the parallel P-channel field effect transistor and the battery positive electrode 5 are connected to the power management module by the gate electrode, and the gate is The lock delay circuit is connected. Please use the electronic device waterproof automatic protection device described in the above paragraph, the 敎 delay circuit includes - Ν channel field effect transistor, resistance circuit, a discharge resistor and one point 6. The electrical resistance waterproofing device of the electronic device described in claim 5, wherein the Ν channel field effect transistor is used to receive and respond to a water trigger signal of the water touch* circuit, the resistance Capacitor circuit for setting the delay range The switch control circuit is activated. 7. The electronic (four) waterproof automatic protection device according to claim 5, wherein the resistance-capacitor circuit uses a resistor and a capacitor in series, and one end of the resistor in the resistor-capacitor circuit is connected to the battery positive pole, the capacitor One end of the grounding, the series connection point of the RC circuit is connected to the 场 channel field effect transistor. Lu 8. For the towel, please refer to the automatic waterproof protection device for electronic equipment described in Item 7 of the above, wherein one end of the discharge resistor is connected to the battery. The positive electrode is grounded at the other end. 7. The electronic device waterproof automatic protection device according to claim 7, wherein the voltage dividing resistor is formed by connecting at least two or more resistors in series, and the bifurcation resistance is One end is connected to the power management module, and the other end is grounded, and the series point in the s-separation resistor is connected to the ν-channel field effect transistor. 10. The electronic device waterproof automatic protection device according to claim 9 of the patent scope, wherein The source of the channel field effect transistor is connected to the series connection point of the RC circuit and the switch control circuit, and the gate is connected to the series connection point of the water trigger device and the sub-piezo 15 IS] resistance. Bungee grounding. - • U. The electronic device waterproof automatic protection device according to item 1 of the patent scope of the patent application. The water triggering device includes a humidity sensing device for detecting. #前电子设备(4) Degree information, and convert it into (4) value to be sent to the comparison circuit. 12. The electronic device waterproof automatic protection device described in item n of the patent scope of the invention, the water triggering device further includes a comparison control circuit The utility model comprises two input ends and one output end, wherein one input end is used for receiving a voltage value corresponding to the current humidity information detected by the humidity sensing device, and an input terminal is a humidity reference obtained from the power management module at the receiving end. The voltage output terminal is configured to send a water trigger signal to the lock delay circuit. 13. The electronic device waterproof automatic protection device according to claim 12, wherein the t electronic device is in a power-on state The water triggering letter f is = low potential signal 'the electronic device enters the automatic shutdown protection state, and the right water trigger # is a high potential signal, then the electronic device remains normal. Working status. 16