CN203224869U - Computer temperature overheating alarm - Google Patents
Computer temperature overheating alarm Download PDFInfo
- Publication number
- CN203224869U CN203224869U CN201320209837.8U CN201320209837U CN203224869U CN 203224869 U CN203224869 U CN 203224869U CN 201320209837 U CN201320209837 U CN 201320209837U CN 203224869 U CN203224869 U CN 203224869U
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- multivibrator
- resistance
- electric capacity
- capacitor
- computer
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Abstract
The utility model discloses a computer temperature overheating alarm which comprises a power supply, a temperature sensor, an operational amplifier, a first multivibrator, a second multivibrator, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor and a seventh capacitor, a potentiometer and a loudspeaker. The temperature sensor provides a signal adjusting function in a chip, and the operational amplifier is in a voltage detecting degree and compares output voltage of the temperature sensor and reference voltage preset of a comparer. Output of the comparer is increased to enable the first multivibrator to start working and then activate the second multivibrator to drive the loudspeaker to give out alarm sound. The computer temperature overheating alarm can monitor temperature inside a computer and give out the sound for alarming when the preset temperature is exceeded to remind a user to check the state of the computer, so that unsmooth operation or damage of the computer is avoided, and the computer is maintained in time.
Description
Technical field
The utility model relates to a kind of computer peripheral device, relates in particular to a kind of computer temperature overheating alarm.
Background technology
Computer can produce heat in the process of using, particularly at the weather of sweltering heat, cooling system also breaks down easily, thereby causes the operation of computer not smooth, even damages.
The utility model content
The purpose of this utility model provides a kind of computer temperature overheating alarm with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises power supply, temperature sensor, operational amplifier, first multivibrator, second multivibrator, first resistance to the, seven resistance, first electric capacity to the, seven electric capacity, potentiometer and loudspeaker, the anodal while of described power supply and the positive pole of described second multivibrator, the positive pole of described first multivibrator, first end of described the 6th resistance, first end of described the 4th resistance, the positive pole of described operational amplifier, first end of described second electric capacity, first end of described potentiometer, first end of the positive pole of described temperature sensor and described first electric capacity is connected, the negative pole while of described power supply and first end of described loudspeaker, first end of described the 6th electric capacity, the negative pole of described second multivibrator, first end of described the 5th electric capacity, first end of described the 4th electric capacity, the negative pole of described first multivibrator, first end of described the 3rd electric capacity, the negative pole of described operational amplifier, second end of described potentiometer, second end of described second electric capacity, second end of the negative pole of described temperature sensor and described first electric capacity is connected, the signal output part of described temperature sensor is connected with first end of described first resistance, second end of described first resistance is connected with the positive signal input end of described operational amplifier and first end of described the 3rd resistance simultaneously, the sliding end of described potentiometer is connected with first end of described second resistance, second end of described second resistance is connected with the negative signal input end of described operational amplifier, the output terminal of described operational amplifier is connected with second end of described the 3rd resistance and the replacement end of described first multivibrator simultaneously, second end of described the 4th resistance is connected with the discharge end of described first multivibrator and first end of described the 5th resistance simultaneously, second end while of described the 5th resistance and the replacement keyed end of described first multivibrator, second end of the trigger end of described first multivibrator and described the 3rd electric capacity is connected, the output terminal of described first multivibrator is connected with the replacement end of described second multivibrator, second end of described the 6th resistance is connected with the discharge end of described second multivibrator and first end of described the 7th resistance simultaneously, second end while of described the 7th resistance and the trigger end of described second multivibrator, the replacement keyed end of described second multivibrator is connected with second end of described the 5th electric capacity, second end of described the 4th electric capacity is connected with the control end of described first multivibrator, second end of described the 6th electric capacity is connected with the control end of described second multivibrator, the output terminal of described second multivibrator is connected with first end of described the 7th electric capacity, and second end of described the 7th electric capacity is connected with second end of described loudspeaker.
The beneficial effects of the utility model are:
The utility model can be monitored the computer internal temperature, and the warning of sounding when surpassing design temperature reminds the user to check the state of computer, avoids the smooth or damage of operation of computer, in time computer is maintained.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises power supply, temperature sensor IC1, operational amplifier IC2, the first multivibrator IC3, the second multivibrator IC4, first resistance R, 1 to the 7th resistance R 7, first capacitor C, 1 to the 7th capacitor C 7, potentiometer VR and loudspeaker LS, the anodal while of power supply and the positive pole of the second multivibrator IC4, the positive pole of the first multivibrator IC3, first end of the 6th resistance R 6, first end of the 4th resistance R 4, the positive pole of operational amplifier IC2, first end of second capacitor C 2, first end of potentiometer VR, the positive pole of temperature sensor IC1 is connected with first end of first capacitor C 1, the negative pole while of power supply and first end of loudspeaker LS, first end of the 6th capacitor C 6, the negative pole of the second multivibrator IC4, first end of the 5th capacitor C 5, first end of the 4th capacitor C 4, the negative pole of the first multivibrator IC3, first end of the 3rd capacitor C 3, the negative pole of operational amplifier IC2, second end of potentiometer VR, second end of second capacitor C 2, the negative pole of temperature sensor IC1 is connected with second end of first capacitor C 1, the signal output part of temperature sensor IC1 is connected with first end of first resistance R 1, second end of first resistance R 1 is connected with the positive signal input end of operational amplifier IC2 and first end of the 3rd resistance R 3 simultaneously, the sliding end of potentiometer VR is connected with first end of second resistance R 2, second end of second resistance R 2 is connected with the negative signal input end of operational amplifier IC2, the output terminal of operational amplifier IC2 is connected with second end of the 3rd resistance R 3 and the replacement end of the first multivibrator IC3 simultaneously, second end of the 4th resistance R 4 is connected with the discharge end of the first multivibrator IC3 and first end of the 5th resistance R 5 simultaneously, second end while of the 5th resistance R 5 and the replacement keyed end of the first multivibrator IC3, the trigger end of the first multivibrator IC3 is connected with second end of the 3rd capacitor C 3, the output terminal of the first multivibrator IC3 is connected with the replacement end of the second multivibrator IC4, second end of the 6th resistance R 6 is connected with the discharge end of the second multivibrator IC4 and first end of the 7th resistance R 7 simultaneously, second end while of the 7th resistance R 7 and the trigger end of the second multivibrator IC4, the replacement keyed end of the second multivibrator IC4 is connected with second end of the 5th capacitor C 5, second end of the 4th capacitor C 4 is connected with the control end of the first multivibrator IC3, second end of the 6th capacitor C 6 is connected with the control end of the second multivibrator IC4, the output terminal of the second multivibrator IC4 is connected with first end of the 7th capacitor C 7, and second end of the 7th capacitor C 7 is connected with second end of loudspeaker LS.
As shown in Figure 1: temperature sensor IC1 provides signal conditioning functions in the sheet, comprises amplification, level shift and paraphase.After the Signal Regulation, 1 ℃ every liter of temperature, output just increases 10mv.Therefore for 0 ℃ to 100 ℃ temperature range, corresponding output voltage range is 0V to 1V.Operational amplifier IC2 is the voltage detecting level, and it is compared the output voltage of temperature sensor IC1 with the reference voltage that comparer presets.Output voltage as temperature sensor IC1 surpasses reference voltage, and then the output of comparer uprises, and the first multivibrator IC3 of back is devoted oneself to work, and drives the alarm call that loudspeaker LS sends " finishing ... finish " then activate the second multivibrator IC2.
Claims (1)
1. computer temperature overheating alarm, it is characterized in that: comprise power supply, temperature sensor, operational amplifier, first multivibrator, second multivibrator, first resistance to the, seven resistance, first electric capacity to the, seven electric capacity, potentiometer and loudspeaker, the anodal while of described power supply and the positive pole of described second multivibrator, the positive pole of described first multivibrator, first end of described the 6th resistance, first end of described the 4th resistance, the positive pole of described operational amplifier, first end of described second electric capacity, first end of described potentiometer, first end of the positive pole of described temperature sensor and described first electric capacity is connected, the negative pole while of described power supply and first end of described loudspeaker, first end of described the 6th electric capacity, the negative pole of described second multivibrator, first end of described the 5th electric capacity, first end of described the 4th electric capacity, the negative pole of described first multivibrator, first end of described the 3rd electric capacity, the negative pole of described operational amplifier, second end of described potentiometer, second end of described second electric capacity, second end of the negative pole of described temperature sensor and described first electric capacity is connected, the signal output part of described temperature sensor is connected with first end of described first resistance, second end of described first resistance is connected with the positive signal input end of described operational amplifier and first end of described the 3rd resistance simultaneously, the sliding end of described potentiometer is connected with first end of described second resistance, second end of described second resistance is connected with the negative signal input end of described operational amplifier, the output terminal of described operational amplifier is connected with second end of described the 3rd resistance and the replacement end of described first multivibrator simultaneously, second end of described the 4th resistance is connected with the discharge end of described first multivibrator and first end of described the 5th resistance simultaneously, second end while of described the 5th resistance and the replacement keyed end of described first multivibrator, second end of the trigger end of described first multivibrator and described the 3rd electric capacity is connected, the output terminal of described first multivibrator is connected with the replacement end of described second multivibrator, second end of described the 6th resistance is connected with the discharge end of described second multivibrator and first end of described the 7th resistance simultaneously, second end while of described the 7th resistance and the trigger end of described second multivibrator, the replacement keyed end of described second multivibrator is connected with second end of described the 5th electric capacity, second end of described the 4th electric capacity is connected with the control end of described first multivibrator, second end of described the 6th electric capacity is connected with the control end of described second multivibrator, the output terminal of described second multivibrator is connected with first end of described the 7th electric capacity, and second end of described the 7th electric capacity is connected with second end of described loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320209837.8U CN203224869U (en) | 2013-04-23 | 2013-04-23 | Computer temperature overheating alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320209837.8U CN203224869U (en) | 2013-04-23 | 2013-04-23 | Computer temperature overheating alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224869U true CN203224869U (en) | 2013-10-02 |
Family
ID=49251869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320209837.8U Expired - Fee Related CN203224869U (en) | 2013-04-23 | 2013-04-23 | Computer temperature overheating alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114233A (en) * | 2015-08-14 | 2015-12-02 | 刘洋 | Hydroelectric power generator temperature control system used for hydroelectric power generation |
-
2013
- 2013-04-23 CN CN201320209837.8U patent/CN203224869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114233A (en) * | 2015-08-14 | 2015-12-02 | 刘洋 | Hydroelectric power generator temperature control system used for hydroelectric power generation |
| CN105114233B (en) * | 2015-08-14 | 2017-12-22 | 高建新 | A kind of water conservancy generator temperature control system for water generating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140423 |