CN106547666A - Host computer overheat alarm - Google Patents
Host computer overheat alarm Download PDFInfo
- Publication number
- CN106547666A CN106547666A CN201611015279.6A CN201611015279A CN106547666A CN 106547666 A CN106547666 A CN 106547666A CN 201611015279 A CN201611015279 A CN 201611015279A CN 106547666 A CN106547666 A CN 106547666A
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- circuit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/327—Alarm or error message display
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention provides a kind of host computer overheat alarm, to carry out effective monitoring to host computer superheating phenomenon, prevents the hardware in main frame from damaging because temperature is too high.Its circuit adopts time base circuit NE555 chips, frequency decoding integrated circuit LM567 chips and integrated alarm circuit Y976 chips are built for core, circuit is powered using the battery of 6V, host supplying power is not relied on, this circuit includes audio oscillator circuit, frequency decoding circuit and sound are warned circuit, wherein audio oscillator circuit is provided with thermistor and the temperature inside main frame is sensed, when host computer reaches set overtemperature, the frequency of oscillation of audio oscillator circuit is identical with the frequency of frequency decoding circuit, the output end of frequency decoding circuit is made to export low level, and then sound warn circuit work sound the alarm, it is achieved in host computer temperature alarm, user is reminded to be processed in time.
Description
Technical field
The present invention relates to a kind of alarm, specifically a kind of host computer overheat alarm, belong to electronic technology field.
Background technology
In the routine work and life of people, Jing often will be using to computer, the existing specialized factory of computer that we use at present
The brand name computer of configuration, also has personal self-aid to assemble a computer the compatible to be formed.The main frame of brand name computer is custom-made due to cabinet, its
Good air channel is provided with for the accessory inside main frame, and the hardware in machine is nonvoluntary increases, therefore host computer is when running
It is generally not present overheated problem.But the cabinet of compatible is that individual chooses, and the hardware in cabinet is also to choose configuration, when
From ardware model number it is unreasonable when, after hardware installation enters cabinet, it is likely that the air channel irrational distribution in cabinet can be caused, this
Sample host computer behaves and is easy to produce overheated phenomenon, affects the normal work of main frame internal hardware.There is opportunity in addition
There is the failure of short circuit in hardware in case, will also result in the overheated situation of host computer.For these situations, it is intended that
A alarm for not relying on host supplying power can be set in computer housing, when there is overheat condition inside the host computer,
Can sound the alarm in time, remind user to be processed in time.
The content of the invention
It is an object of the invention to provide a kind of host computer overheat alarm, to carry out effectively to host computer superheating phenomenon
Monitoring, prevents the hardware in main frame from damaging because temperature is too high.
The present invention concrete technical scheme be：
A kind of host computer overheat alarm, its circuit adopt time base circuit NE555 chips, frequency decoding integrated circuit LM567
Chip and integrated alarm circuit Y976 chips are built for core, and circuit is powered using the battery GB of 6V, battery GB's
Minus earth, provides 6V power supplys to late-class circuit after positive pole concatenation switch S, and late-class circuit includes audio oscillator circuit, frequency solution
Code circuit and sound are warned circuit.
The audio oscillator circuit is built using NE555 chips, and 4 pin and 8 pin of NE555 chips connect 6V power supplys, and 7 pin connect electricity
One end of resistance R1 and one end of thermistor RT, another termination 6V power supply of resistance R1, another termination NE555 of thermistor RT
2,6 pin of chip and one end of electric capacity C1, the other end ground connection of electric capacity C1, the 1 pin ground connection of NE555 chips, 5 pin serial capacitance C2
After be grounded, after 3 pin serial capacitance C3 access LM567 chips 3 pin.
The frequency decoding circuit is built using LM567 chips, and 4 pin of LM567 chips connect 6V power supplys, and 5 pin connect adjustable electric
One end of resistance RP, 6 pin connect one end of the other end of adjustable resistance and adjustable side and electric capacity C4, and the other end of electric capacity C4 is grounded,
The 7 pin ground connection of LM567 chips, 2 pin and 1 pin meet the positive pole of electric capacity C5 and C6, the minus earth of electric capacity C5 and C6, LM567 respectively
8 pin of chip connect the base stage of triode Q1, and the emitter stage of triode Q1 connects 6V power supplys, are grounded after collector series connection resistance R2.
The sound warns circuit using Y976 chips structure, one end and electricity of 5 pin of Y976 chips and 8 pin connecting resistance R3
Hold the positive pole of C7, the colelctor electrode of another termination triode Q1 of resistance R3, the minus earth of electric capacity C7；4 pin of Y976 chips connect
Ground, series resistor R4 between 6 pin and 7 pin, 1 pin connect the positive pole of electric capacity C8, and the negative pole of electric capacity C8 connects one end of loudspeaker BL, raises one's voice
The other end ground connection of device BL.
Resistance of the resistance R1 using 11k Ω, thermistor of the thermistor using 100k negative temperature coefficients, electric capacity
C1, C2, C3 are respectively adopted 0.033 μ F, 0.01 μ F, the electric capacity of 0.022 μ F.
Potentiometers of the adjustable resistance RP using 51k Ω, electric capacity of the electric capacity C4 using 0.01 μ F, electric capacity C4 and C5 difference
Using 1 μ F and the electrochemical capacitor of 2.2 μ F, resistance of the resistance R2 using 1k Ω, triode Q1 adopt PNP triode 9012.
The resistance R3 and R4 is respectively adopted the resistance of 1k Ω and 240k Ω, and electric capacity C7 and C8 are using 22 μ F's and 100 μ F
Electrochemical capacitor, loudspeaker BL adopt power for 1W, and impedance is the coil-moving speaker of 8 Ω.
The circuit of the host computer overheat alarm of the present invention decodes integrated electricity using time base circuit NE555 chips, frequency
Road LM567 chips and integrated alarm circuit Y976 chips are built for core, and circuit is powered using the battery of 6V, is disobeyed
Rely in host supplying power, this circuit includes that audio oscillator circuit, frequency decoding circuit and sound are warned circuit, wherein audio oscillation electricity
Road is provided with thermistor and the temperature inside main frame is sensed, when host computer reaches set overtemperature, audio frequency
The frequency of oscillation of oscillating circuit is identical with the frequency of frequency decoding circuit, makes the output end of frequency decoding circuit export low level,
And then sound circuit work of warning sounds the alarm, and is achieved in host computer temperature alarm, reminds user to be processed in time.
Description of the drawings
Fig. 1 is the circuit diagram of this host computer overheat alarm.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, the circuit of this host computer overheat alarm adopts time base circuit NE555 chips, frequency decoding set
Built into circuit LM567 chips and integrated alarm circuit Y976 chips for core, circuit is supplied using the battery GB of 6V
Electricity, the minus earth of battery GB provide 6V power supplys to late-class circuit after positive pole concatenation switch S, and late-class circuit includes audio oscillation
Circuit, frequency decoding circuit and sound are warned circuit.
The audio oscillator circuit is built using NE555 chips, and 4 pin and 8 pin of NE555 chips connect 6V power supplys, and 7 pin connect electricity
One end of resistance R1 and one end of thermistor RT, another termination 6V power supply of resistance R1, another termination NE555 of thermistor RT
2,6 pin of chip and one end of electric capacity C1, the other end ground connection of electric capacity C1, the 1 pin ground connection of NE555 chips, 5 pin serial capacitance C2
After be grounded, after 3 pin serial capacitance C3 access LM567 chips 3 pin.
The frequency decoding circuit is built using LM567 chips, and 4 pin of LM567 chips connect 6V power supplys, and 5 pin connect adjustable electric
One end of resistance RP, 6 pin connect one end of the other end of adjustable resistance and adjustable side and electric capacity C4, and the other end of electric capacity C4 is grounded,
The 7 pin ground connection of LM567 chips, 2 pin and 1 pin meet the positive pole of electric capacity C5 and C6, the minus earth of electric capacity C5 and C6, LM567 respectively
8 pin of chip connect the base stage of triode Q1, and the emitter stage of triode Q1 connects 6V power supplys, are grounded after collector series connection resistance R2.
The sound warns circuit using Y976 chips structure, one end and electricity of 5 pin of Y976 chips and 8 pin connecting resistance R3
Hold the positive pole of C7, the colelctor electrode of another termination triode Q1 of resistance R3, the minus earth of electric capacity C7；4 pin of Y976 chips connect
Ground, series resistor R4 between 6 pin and 7 pin, 1 pin connect the positive pole of electric capacity C8, and the negative pole of electric capacity C8 connects one end of loudspeaker BL, raises one's voice
The other end ground connection of device BL.
The operation principle of this host computer overheat alarm is：After ON switch S, when main frame internal temperature is relatively low, heat
The resistance of quick resistance RT is larger, the frequency of oscillation of the oscillator that NE555 chips and resistance R1, thermistor RT, electric capacity C1 are constituted
It is relatively low, it is larger with the frequency phase-difference of the frequency decoder setting being made up of LM567 chips and adjustable resistance RP, electric capacity C4, therefore
The 8 pin output high level of LM567 chips, triode Q1 is not turned on, and sound circuit dead electricity of warning does not work.
When main frame internal temperature gradually rises, the resistance of thermistor RT can be tapered into, the frequency of oscillation of oscillator by
Edge up height, once main frame internal temperature is increased to the overtemperature of setting, frequency of oscillation and the frequency decoder of oscillator set
Frequency it is identical, 8 pin of LM567 chips upset output low level, triode Q1 conductings, sound circuit of warning are obtained and electric send alarm
Sound, reminds user to be processed in time.The resistance of adjustable resistance RP is adjusted, can be with the numerical value of frequency decoder setpoint frequency, i.e.,
Overtemperature can be set.
Above-mentioned legend is only the exemplary embodiments of the present invention, is not limited to the present invention, all spirit in the present invention and
Any modification made within principle or equivalent and improvement etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of host computer overheat alarm, is characterized in that：The circuit of the alarm using time base circuit NE555 chips,
Frequency decoding integrated circuit LM567 chips and integrated alarm circuit Y976 chips are built for core, electricity of the circuit using 6V
Pond GB is powered, the minus earth of battery GB, provides 6V power supplys, late-class circuit bag to late-class circuit after positive pole concatenation switch S
Include audio oscillator circuit, frequency decoding circuit and sound to warn circuit；
The audio oscillator circuit is built using NE555 chips, and 4 pin and 8 pin of NE555 chips meet 6V power supplys, 7 pin connecting resistance R1
One end and thermistor RT one end, another termination 6V power supply of resistance R1, another termination NE555 chip of thermistor RT
2,6 pin and electric capacity C1 one end, the other end ground connection of electric capacity C1, the 1 pin ground connection of NE555 chips, 5 pin serial capacitance C2 are followed by
Ground, accesses 3 pin of LM567 chips after 3 pin serial capacitance C3；
The frequency decoding circuit is built using LM567 chips, and 4 pin of LM567 chips connect 6V power supplys, and 5 pin meet adjustable resistance RP
One end, 6 pin connect one end of the other end of adjustable resistance and adjustable side and electric capacity C4, the other end ground connection of electric capacity C4, LM567
The 7 pin ground connection of chip, 2 pin and 1 pin connect the positive pole of electric capacity C5 and C6 respectively, the minus earth of electric capacity C5 and C6, LM567 chips
8 pin connect the base stage of triode Q1, and the emitter stage of triode Q1 connects 6V power supplys, are grounded after collector series connection resistance R2；
The sound warns circuit using Y976 chips structure, one end and electric capacity C7 of 5 pin of Y976 chips and 8 pin connecting resistance R3
Positive pole, the colelctor electrode of another termination triode Q1 of resistance R3, the minus earth of electric capacity C7；The 4 pin ground connection of Y976 chips, 6
Series resistor R4 between pin and 7 pin, 1 pin connect the positive pole of electric capacity C8, and the negative pole of electric capacity C8 meets one end of loudspeaker BL, loudspeaker BL
The other end ground connection.
2. host computer overheat alarm according to claim 1, is characterized in that：Electricity of the resistance R1 using 11k Ω
Resistance, thermistor using 100k negative temperature coefficients thermistor, electric capacity C1, C2, C3 be respectively adopted 0.033 μ F, 0.01 μ F,
The electric capacity of 0.022 μ F.
3. host computer overheat alarm according to claim 1, is characterized in that：The adjustable resistance RP adopts 51k Ω
Potentiometer, electric capacity C4 using 0.01 μ F electric capacity, electric capacity C4 and C5 are respectively adopted the electrochemical capacitor of 1 μ F and 2.2 μ F, resistance R2
Using the resistance of 1k Ω, triode Q1 adopts PNP triode 9012.
4. host computer overheat alarm according to claim 1, is characterized in that：The resistance R3 and R4 is respectively adopted 1k
The resistance of Ω and 240k Ω, the electrochemical capacitor of electric capacity C7 and C8 using 22 μ F and 100 μ F, loudspeaker BL adopt power for 1W, hinder
Resist the coil-moving speaker for 8 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015279.6A CN106547666A (en) | 2016-11-18 | 2016-11-18 | Host computer overheat alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015279.6A CN106547666A (en) | 2016-11-18 | 2016-11-18 | Host computer overheat alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106547666A true CN106547666A (en) | 2017-03-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015279.6A Pending CN106547666A (en) | 2016-11-18 | 2016-11-18 | Host computer overheat alarm |
Country Status (1)
| Country | Link |
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| CN (1) | CN106547666A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748501A (en) * | 2017-11-22 | 2018-03-02 | 国网湖南节能服务有限公司 | A kind of wisdom home energy source central controller and its control method |
| CN112157118A (en) * | 2020-09-18 | 2021-01-01 | 河北紫旭节能环保技术咨询有限公司 | Soil detection and restoration device |
| CN113324670A (en) * | 2021-05-31 | 2021-08-31 | 于铭 | Extensible multipoint temperature measurement method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1987007417A1 (en) * | 1986-05-28 | 1987-12-03 | Eberhart, Alfred, F. | Alarm system |
| CN204650320U (en) * | 2015-06-02 | 2015-09-16 | 章雪妮 | A kind of high accuracy temperature control circuit |
| CN205354245U (en) * | 2016-02-22 | 2016-06-29 | 黑龙江科技大学 | Antitheft alarm for computer |
| CN205405292U (en) * | 2016-03-11 | 2016-07-27 | 哈尔滨理工大学 | Control by temperature change circuit based on audio frequency oscillator |
-
2016
- 2016-11-18 CN CN201611015279.6A patent/CN106547666A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987007417A1 (en) * | 1986-05-28 | 1987-12-03 | Eberhart, Alfred, F. | Alarm system |
| CN204650320U (en) * | 2015-06-02 | 2015-09-16 | 章雪妮 | A kind of high accuracy temperature control circuit |
| CN205354245U (en) * | 2016-02-22 | 2016-06-29 | 黑龙江科技大学 | Antitheft alarm for computer |
| CN205405292U (en) * | 2016-03-11 | 2016-07-27 | 哈尔滨理工大学 | Control by temperature change circuit based on audio frequency oscillator |
Non-Patent Citations (4)
| Title |
|---|
| 何社成: "《实用控制、保护电路图集》", 31 December 2009, 北京：中国电力出版社 * |
| 刘建清 等: "《从零开始学数字电子技术》", 31 January 2007, 北京：国防工业出版社 * |
| 肖景和: "《555/556时基集成电路精选》", 31 December 2011, 北京：中国电力出版社 * |
| 陈有卿: "《集成电路妙用巧用300例》", 30 June 1999, 北京：人民邮电出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107748501A (en) * | 2017-11-22 | 2018-03-02 | 国网湖南节能服务有限公司 | A kind of wisdom home energy source central controller and its control method |
| CN112157118A (en) * | 2020-09-18 | 2021-01-01 | 河北紫旭节能环保技术咨询有限公司 | Soil detection and restoration device |
| CN113324670A (en) * | 2021-05-31 | 2021-08-31 | 于铭 | Extensible multipoint temperature measurement method |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170329 |
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| WD01 | Invention patent application deemed withdrawn after publication |