CN104598848A - Waterproof protecting system for notebook computer - Google Patents
Waterproof protecting system for notebook computer Download PDFInfo
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- CN104598848A CN104598848A CN201510072038.4A CN201510072038A CN104598848A CN 104598848 A CN104598848 A CN 104598848A CN 201510072038 A CN201510072038 A CN 201510072038A CN 104598848 A CN104598848 A CN 104598848A
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- notebook computer
- processing module
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- adapter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/81—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer by operating on the power supply, e.g. enabling or disabling power-on, sleep or resume operations
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Power Sources (AREA)
Abstract
The invention relates to a waterproof protecting system for a notebook computer. The waterproof protecting system comprises an information processing module and a sensor module arranged inside a case of the notebook computer and connected with the information processing module, wherein the information processing module is connected with a power supply switching-off module. By the adoption of the technical scheme, when the sensor module which is arranged inside the case of the notebook computer senses water on the case, a signal can be informed to the information processing module by the sensor module, the information processing module simultaneously controls to switch off an adapter power supply circuit and a battery power supply circuit of the notebook computer, so that the notebook computer is in a completely power-off state, electronic components inside the notebook computer are prevented from being burnt in case of short circuiting, and thus the safety of the notebook is ensured.
Description
Technical field:
The present invention relates to a kind of notebook computer water-proof protection system.
Background technology:
Notebook computer often there will be the situation into water in the process used; once when notebook computer is charged; water enters into the inside of notebook computer by shell; the electron device of notebook computer inside is then easily caused to burn because of short circuit; while causing economic loss, also can cause the information dropout in computer, bring great inconvenience.At present, waterproof measure for notebook computer is mostly considered from structural point, adopt the casing that the sealing manufactured by waterproof material is tight, to avoid water to enter into casing internal, but the usual cost of waterproof material is higher, and needs strict technique guarantee body seal tight in the process manufactured, substantially increase the manufacturing cost of casing, be unfavorable for applying, seal the heat radiation that tight casing is unfavorable for notebook computer simultaneously, can affect to the operation of computer.
Summary of the invention:
The present invention is in order to make up the deficiencies in the prior art, provide a kind of notebook computer water-proof protection system, its reasonable in design, by the casing internal at notebook computer, sensor assembly is set, when sense casing has water time, sensor assembly can by signal announcement information processing module, message processing module then controls the adapter supply line and the powered battery circuit that turn off notebook computer simultaneously, thus make notebook computer be in off-position completely, there is the situation of burning because of short circuit in the electron device avoiding notebook computer inside, ensure that the safety of notebook computer.Adopt and do not need in this way to carry out special processing to casing, production cost is lower, is conducive to applying, and does not affect the proper heat reduction of notebook computer, can not impact, solve problems of the prior art to the normal operation of computer.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
A kind of notebook computer water-proof protection system, comprise message processing module, a sensor assembly being arranged on Laptop case inside is connected with message processing module, and message processing module is connected with a power remove module;
Whether described sensor assembly receives water for responding to notebook computer, and when notebook computer touches water, sensor assembly sends information to message processing module;
Described power remove module comprises the adapter supply line breaking circuit and powered battery circuit breaking circuit that are connected with message processing module respectively.
Described message processing module comprises information processing chip and peripheral circuit, and described information processing chip is C8051F300 chip.
Described sensor assembly comprises a sensor chip, described sensor chip is TCH601 chip, I 1 pin of sensor chip is connected with conducting strip PAD2 with the conducting strip PAD1 be arranged on inside Laptop case respectively with I0 pin, Q0 pin and Q1 pin are connected with P0.6 pin with the P0.7 pin of information processing chip respectively, electric capacity C1 parallel with one another and electric capacity C2 is provided with between CS1 pin and CS2 pin, VDD pin is connected with power supply by a filtering circuit, S0 pin is by a resistance R1 ground connection, VSS pin, I4 pin, GND pin, I3 pin and the equal ground connection of I4 pin are arranged.
Described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q1, the drain electrode of P-channel field-effect transistor (PEFT) pipe Q1 is connected with adapter feeder ear, source electrode is connected with the output terminal of adapter supply line, again by an electric capacity C7 ground connection, grid is connected with the drain electrode of a N channel field-effect pipe Q2, be connected with adapter feeder ear by a resistance R4 again, the source ground of N channel field-effect pipe Q2 is arranged, and grid is connected with the P0.5 pin of information processing chip by a resistance R5.
Described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q3, the drain electrode of P-channel field-effect transistor (PEFT) pipe Q3 is connected with adapter feeder ear, source electrode is connected with the output terminal of adapter supply line, again by an electric capacity C8 ground connection, grid is connected with the drain electrode of a N channel field-effect pipe Q4, be connected with adapter feeder ear by a resistance R6 again, the source ground of N channel field-effect pipe Q4 is arranged, and grid is connected with the P0.4 pin of information processing chip by a resistance R7.
The present invention adopts such scheme, by the casing internal at notebook computer, sensor assembly is set, when sense casing has water time, sensor assembly can by signal announcement information processing module, message processing module then controls the adapter supply line and the powered battery circuit that turn off notebook computer simultaneously, thus make notebook computer be in off-position completely, there is the situation of burning because of short circuit in the electron device avoiding notebook computer inside, ensure that the safety of notebook computer.Adopt and do not need in this way to carry out special processing to casing, production cost is lower, is conducive to applying, and does not affect the proper heat reduction of notebook computer, can not impact, solve problems of the prior art to the normal operation of computer.
Accompanying drawing illustrates:
Fig. 1 is theory diagram of the present invention.
Fig. 2 is sensor assembly of the present invention and message processing module circuit theory diagrams.
Fig. 3 is adapter supply line of the present invention breaking circuit circuit theory diagrams.
Fig. 4 is powered battery circuit breaking circuit circuit theory diagrams of the present invention.
In figure, 1, message processing module, 2, sensor assembly.
Embodiment:
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As Figure 1-4, a kind of notebook computer water-proof protection system, comprises message processing module 1, and a biography is put and is connected with message processing module 1 at the sensor assembly 2 of Laptop case inside, and message processing module 1 is connected with a power remove module;
Whether described sensor assembly 2 receives water for responding to notebook computer, and when notebook computer touches water, sensor assembly 2 sends information to message processing module 1;
Described power remove module comprises the adapter supply line breaking circuit and powered battery circuit breaking circuit that are connected with message processing module 1 respectively.
Described message processing module 1 comprises information processing chip and peripheral circuit, and described information processing chip is C8051F300 chip.
Described sensor assembly 2 comprises a sensor chip, described sensor chip is TCH601 chip, the I1 pin of sensor chip is connected with conducting strip PAD2 with the conducting strip PAD1 be arranged on inside Laptop case respectively with I0 pin, Q0 pin and Q1 pin are connected with P0.6 pin with the P0.7 pin of information processing chip respectively, electric capacity C1 parallel with one another and electric capacity C2 is provided with between CS1 pin and CS2 pin, VDD pin is connected with power supply by a filtering circuit, S0 pin is by a resistance R1 ground connection, VSS pin, I4 pin, GND pin, I3 pin and the equal ground connection of I4 pin are arranged.
Described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q1, the drain electrode of P-channel field-effect transistor (PEFT) pipe Q1 is connected with adapter feeder ear, source electrode is connected with the output terminal of adapter supply line, again by an electric capacity C7 ground connection, grid is connected with the drain electrode of a N channel field-effect pipe Q2, be connected with adapter feeder ear by a resistance R4 again, the source ground of N channel field-effect pipe Q2 is arranged, and grid is connected with the P0.5 pin of information processing chip by a resistance R5.
Described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q3, the drain electrode of P-channel field-effect transistor (PEFT) pipe Q3 is connected with adapter feeder ear, source electrode is connected with the output terminal of adapter supply line, again by an electric capacity C8 ground connection, grid is connected with the drain electrode of a N channel field-effect pipe Q4, be connected with adapter feeder ear by a resistance R6 again, the source ground of N channel field-effect pipe Q4 is arranged, and grid is connected with the P0.4 pin of information processing chip by a resistance R7.
In the process using notebook computer, be arranged between two conducting strip PAD1 of the sensor assembly 2 of casing internal and conducting strip PAD2 and form electric field after energising, electric field covers the regional extent above casing, when there is dielectric in electric field and changing, capacitance variations will be caused, when water drops on casing or when entering casing, dielectric in electric field changes, namely electric capacity between two conducting strips change, after sensor chip receives this variable signal, send signal by Q0 pin and Q1 pin to information processing chip.
The P0.4 pin of signal processing chip and P0.5 pin routine export high level to adapter supply line breaking circuit and powered battery circuit breaking circuit, N channel field-effect pipe Q2 in adapter supply line breaking circuit and powered battery circuit breaking circuit and N channel field-effect pipe Q4 is all in conducting state, thus the direct ground connection of grid of P-channel field-effect transistor (PEFT) pipe Q1 and P-channel field-effect transistor (PEFT) pipe Q3, therefore be all in conducting state, be continuously notebook computer and power.After information processing chip receives the signal that sensor chip sends, P0.4 pin and P0.5 pin output low level, N channel field-effect pipe Q2 and N channel field-effect pipe Q4 is all in off state, now the grid of P-channel field-effect transistor (PEFT) pipe Q1 and P-channel field-effect transistor (PEFT) pipe Q3 is the voltage of resistance R4 and resistance R6, noble potential is become from earth potential, can not conducting between its source electrode and drain electrode, thus blocked adapter and battery is powered to notebook computer, play the effect turning off power supply, avoid water and enter notebook computer inside, there is the situation of burning because of short circuit in electron device.
Adopt notebook computer water-proof protection system of the present invention; by arranging sensor assembly 2 at the casing internal of notebook computer; when sense casing has water time; sensor assembly 2 can by signal announcement information processing module 1; message processing module 1 controls the adapter supply line and the powered battery circuit that turn off notebook computer simultaneously; thus make notebook computer be in off-position completely; there is the situation of burning because of short circuit in the electron device avoiding notebook computer inside, ensure that the safety of notebook computer.Adopt and do not need in this way to carry out special processing to casing, production cost is lower, is conducive to applying, and does not affect the proper heat reduction of notebook computer, can not impact, solve problems of the prior art to the normal operation of computer.
The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (5)
1. a notebook computer water-proof protection system, is characterized in that: comprise message processing module, and a sensor assembly being arranged on Laptop case inside is connected with message processing module, and message processing module is connected with a power remove module;
Whether described sensor assembly receives water for responding to notebook computer, and when notebook computer touches water, sensor assembly sends information to message processing module;
Described power remove module comprises the adapter supply line breaking circuit and powered battery circuit breaking circuit that are connected with message processing module respectively.
2. notebook computer water-proof protection system according to claim 1, is characterized in that: described message processing module comprises information processing chip and peripheral circuit, described information processing chip is C8051F300 chip.
3. notebook computer water-proof protection system according to claim 2, it is characterized in that: described sensor assembly comprises a sensor chip, described sensor chip is TCH601 chip, the I1 pin of sensor chip is connected with conducting strip PAD2 with the conducting strip PAD1 be arranged on inside Laptop case respectively with I0 pin, Q0 pin and Q1 pin are connected with P0.6 pin with the P0.7 pin of information processing chip respectively, electric capacity C1 parallel with one another and electric capacity C2 is provided with between CS1 pin and CS2 pin, VDD pin is connected with power supply by a filtering circuit, S0 pin is by a resistance R1 ground connection, VSS pin, I4 pin, GND pin, I3 pin and the equal ground connection of I4 pin are arranged.
4. notebook computer water-proof protection system according to claim 2; it is characterized in that: described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q1; the drain electrode of P-channel field-effect transistor (PEFT) pipe Q1 is connected with adapter feeder ear; source electrode is connected with the output terminal of adapter supply line; again by an electric capacity C7 ground connection; grid is connected with the drain electrode of a N channel field-effect pipe Q2; be connected with adapter feeder ear by a resistance R4 again; the source ground of N channel field-effect pipe Q2 is arranged, and grid is connected with the P0.5 pin of information processing chip by a resistance R5.
5. notebook computer water-proof protection system according to claim 2; it is characterized in that: described adapter supply line breaking circuit comprises a P-channel field-effect transistor (PEFT) pipe Q3; the drain electrode of P-channel field-effect transistor (PEFT) pipe Q3 is connected with adapter feeder ear; source electrode is connected with the output terminal of adapter supply line; again by an electric capacity C8 ground connection; grid is connected with the drain electrode of a N channel field-effect pipe Q4; be connected with adapter feeder ear by a resistance R6 again; the source ground of N channel field-effect pipe Q4 is arranged, and grid is connected with the P0.4 pin of information processing chip by a resistance R7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072038.4A CN104598848A (en) | 2015-02-11 | 2015-02-11 | Waterproof protecting system for notebook computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510072038.4A CN104598848A (en) | 2015-02-11 | 2015-02-11 | Waterproof protecting system for notebook computer |
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| CN104598848A true CN104598848A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510072038.4A Pending CN104598848A (en) | 2015-02-11 | 2015-02-11 | Waterproof protecting system for notebook computer |
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| CN (1) | CN104598848A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105184198A (en) * | 2015-09-14 | 2015-12-23 | 青岛海信移动通信技术股份有限公司 | Detecting and protecting method and mobile terminal |
| CN108647519A (en) * | 2018-05-10 | 2018-10-12 | 柳州市恒利电子科技有限公司 | A kind of computer hardware safety detecting system |
| CN109344663A (en) * | 2018-09-25 | 2019-02-15 | 东莞华贝电子科技有限公司 | Water inlet means of defence, device and electric terminal |
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| CN202218208U (en) * | 2011-10-14 | 2012-05-09 | 成都锐奕信息技术有限公司 | Starting-up and shutting-down circuit adopting two metal oxide semiconductor (MOS) tubes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108647519A (en) * | 2018-05-10 | 2018-10-12 | 柳州市恒利电子科技有限公司 | A kind of computer hardware safety detecting system |
| CN109344663A (en) * | 2018-09-25 | 2019-02-15 | 东莞华贝电子科技有限公司 | Water inlet means of defence, device and electric terminal |
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Application publication date: 20150506 |