CN206805447U - One kind soar computer temperature detection circuit - Google Patents
One kind soar computer temperature detection circuit Download PDFInfo
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- CN206805447U CN206805447U CN201720528430.XU CN201720528430U CN206805447U CN 206805447 U CN206805447 U CN 206805447U CN 201720528430 U CN201720528430 U CN 201720528430U CN 206805447 U CN206805447 U CN 206805447U
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Abstract
It the utility model is related to a kind of temperature detection field, especially one kind soar computer temperature detection circuit, can be with real-time monitoring system temperature and chip temperature, detection circuit of the present utility model is provided with chip U45, chip U45 can detect the temperature coefficient of pyrotoxin on CPU and mainboard, single-chip microcomputer is connected with chip U45 by SMBUS buses and obtains chip U45 internal register information, real-time detection chip U45 temperature and report system, then system is adjusted radiating further according to temperature information, to reach purpose of the control chip U45 temperature in zone of reasonableness, so as to avoid the CPU that soars, mainboard because temperature is too high and caused by burn the phenomenon or system in case of system halt phenomenon of chip, it ensure that the stabilization of system, improve the quality of product, it is simple in construction, manufacturing cost is low.
Description
Technical field
The utility model is related to a kind of temperature sensing circuit field, especially one kind soar computer temperature detection circuit.
Background technology
Temperature sensor, refer to that temperature can be experienced and be converted into the sensor of usable output signal.
In current main flow Intel, AMD plateform systems, chip internal is equipped with integrated temperature sensor, can supervise in real time
Chip self-temperature is surveyed, and protects chip to be influenceed from high temperature.
Existing patent document 201310095743.7 discloses a kind of temperature sensor, including:Resistance, vary with temperature resistance
Value;Resistance frequency converting circuit, for resistance variations to be converted into frequency change;Resistance and the resistance frequency converting circuit
In same chip;The resistance is the resistance formed using the metal level in resistance frequency converting circuit.
But under this background, on the existing CPU that soars, mainboard and integrated temperature sensor is not provided with, if being
Temperature of uniting is too high, can cause system in case of system halt or burn chip, bring serious security incident.
The content of the invention
To solve the above problems, the utility model provide one kind soar computer temperature detection circuit, can monitor in real time
System temperature and chip temperature.
The utility model provides one kind and soared computer temperature detection circuit, is exported according to system temperature and chip temperature
One corresponding cooling profiles, improve the stability of system.
To achieve the above object, the technical solution adopted in the utility model is:One kind soar computer temperature detection circuit,
Include triode Q13, EMC1412-1-ACZL-TR chip U45, the single-chip microcomputer for reading temperature information, the single-chip microcomputer
It is connected with system, the chip U45 is located between CPU and mainboard, and No. 1 pin and the power supply P3V3_S0 ends of the chip U45 connect
Connect, No. 1 pin of the chip U45 is also grounded by electric capacity C668, No. 2 pins of the chip U45 and triode Q13 base
Pole is connected, and the base stage of the triode Q13 is connected with triode Q13 colelctor electrode, the emitter stage and chip of the triode Q13
U45 No. 3 pins connection, No. 2 pins of the chip U45 are also connected by electric capacity C669 with No. 3 pins, the chip U45
No. 4 pins be connected by resistance R609 with power supply P3V3_S0 ends, No. 6 pins of the chip U45 pass through resistance R740 and list
Piece machine GPIO17_THERMAL_INT ends connect, and No. 7 pins, No. 8 pins of the chip U45 pass through resistance R606, electricity respectively
Resistance R605 is connected with power supply P3V3_S0 ends, No. 7 pins of the chip U45, No. 8 pins also respectively with single-chip microcomputer Thermal_
SDA ends, the connection of Thermal_SCL ends, No. 7 pins, No. 8 pins of the chip U45 also pass through resistance R611, resistance respectively
R610 is connected with system EC_Thermal_SCL ends, EC_Thermal_SDA ends.The chip U45 is arranged on CPU and mainboard
Pyrotoxin between, single-chip microcomputer is read from chip U45 No. 3 pins and No. 4 pins by SMBUS buses and posted inside chip U45
Storage information, real-time detection chip U45 temperature and reports system and is controlled by regulating system radiating mode, to reach control
Purpose of the coremaking piece U45 temperature in zone of reasonableness.
Further, the model of the triode Q13 is PMBS3904.
Further, the electric capacity C669 capacity is 0.0022uF, and institute's electric capacity C668 capacity is 0.1uF.
Further, the resistance R605, resistance R606, resistance R609 resistance are 10K.
The beneficial effects of the utility model are:
For existing technology, detection circuit of the present utility model is provided with chip U45, and chip U45 can be detected
The temperature coefficient of pyrotoxin on to CPU and mainboard, single-chip microcomputer are connected with chip U45 by SMBUS buses and obtain chip U45
Internal register information, real-time detection chip U45 temperature and reports system, and then system is subject to further according to temperature information
Regulation radiating, to reach purpose of the control chip U45 temperature in zone of reasonableness, so as to avoid the CPU that soars, mainboard because of temperature mistake
It is high and cause to burn the phenomenon of chip or system in case of system halt phenomenon, the stabilization of system is ensure that, improves the quality of product, structure
Simply, manufacturing cost is low.
Brief description of the drawings
Fig. 1 is the circuit diagram of utility model.
Embodiment
Refer to shown in Fig. 1, the utility model on:One kind soar computer temperature detection circuit, include triode
Q13, EMC1412-1-ACZL-TR chip U45, the single-chip microcomputer for reading temperature information, the single-chip microcomputer are connected with system, institute
State chip U45 to be located between CPU and mainboard, No. 1 pin of the chip U45 is connected with power supply P3V3_S0 ends, the chip
U45 No. 1 pin is also grounded by electric capacity C668, and No. 2 pins of the chip U45 are connected with triode Q13 base stage, described
Triode Q13 base stage is connected with triode Q13 colelctor electrode, and the emitter stage of the triode Q13 draws with No. 3 of chip U45
Pin is connected, and No. 2 pins of the chip U45 are also connected by electric capacity C669 with No. 3 pins, and No. 4 pins of the chip U45 lead to
Cross resistance R609 to be connected with power supply P3V3_S0 ends, No. 6 pins of the chip U45 pass through resistance R740 and single-chip microcomputer GPIO17_
THERMAL_INT ends are connected, and No. 6 pins of the chip U45 are also connected with test point TP106, and No. 7 of the chip U45 are drawn
Pin, No. 8 pins are connected by resistance R606, resistance R605 with power supply P3V3_S0 ends respectively, No. 7 pins, 8 of the chip U45
Number pin is also connected with single-chip microcomputer Thermal_SDA ends, Thermal_SCL ends respectively, No. 7 pins of the chip U45, No. 8
Pin is also connected by resistance R611, resistance R610 with system EC_Thermal_SCL ends, EC_Thermal_SDA ends respectively.
Detection circuit of the present utility model is provided with chip U45, and chip U45 is connected with test point TP106, and chip U45 passes through
Test point TP106 can detect the temperature coefficient of pyrotoxin on CPU and mainboard, and single-chip microcomputer passes through SMBUS buses and chip U45
Connection and chip U45 internal register information is obtained, real-time detection chip U45 temperature and report system, then system
Radiating is adjusted further according to temperature information, to reach purpose of the control chip U45 temperature in zone of reasonableness, so as to avoid
Soar CPU, mainboard because temperature is too high and caused by burn the phenomenon or system in case of system halt phenomenon of chip, ensure that the stabilization of system,
The quality of product is improved, simple in construction, manufacturing cost is low.
Specifically, the model of the triode Q13 is PMBS3904.
Specifically, the electric capacity C669 capacity is 0.0022uF, and institute's electric capacity C668 capacity is 0.1uF.
Specifically, the resistance R605, resistance R606, resistance R609 resistance are 10K.
In this specific embodiment, chip U45 is arranged between the pyrotoxin on CPU and mainboard, single in motherboard design
Piece machine reads internal register information by SMBUS buses from chip U45 No. 3 pins, No. 4 pins, total by reading SMBUS
Line read chip U45 internal register information, in real time monitor chip U45 temperature, chip U45 temperature i.e. be regarded as CPU and
Mainboard temperature, go to control heat sink conception by system, with temperature in balance system in rational scope, to reach guarantee system
It is stable, the purpose of reliability service, prevent the security hidden trouble caused by system temperature is too high.
Embodiment of above is only that preferred embodiment of the present utility model is described, not to the utility model
Scope be defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff is to reality
The various modifications made with new technical scheme and improvement, the protection that claims of the present utility model determine all should be fallen into
In the range of.
Claims (4)
1. one kind is soared, computer temperature detects circuit, it is characterised in that includes triode Q13, EMC1412-1-ACZL-TR
Chip U45, the single-chip microcomputer for reading temperature information, the single-chip microcomputer are connected with system, and the chip U45 is located at CPU and master
Between plate, No. 1 pin of the chip U45 is connected with power supply P3V3_S0 ends, and No. 1 pin of the chip U45 also passes through electric capacity
C668 is grounded, and No. 2 pins of the chip U45 are connected with triode Q13 base stage, base stage and three poles of the triode Q13
Pipe Q13 colelctor electrode connection, the emitter stage of the triode Q13 are connected with chip U45 No. 3 pins, and the 2 of the chip U45
Number pin is also connected by electric capacity C669 with No. 3 pins, and No. 4 pins of the chip U45 pass through resistance R609 and power supply P3V3_
S0 ends are connected, and No. 6 pins of the chip U45 are connected by resistance R740 with single-chip microcomputer GPIO17_THERMAL_INT ends, institute
State chip U45 No. 7 pins, No. 8 pins are connected by resistance R606, resistance R605 with power supply P3V3_S0 ends respectively, the core
Piece U45 No. 7 pins, No. 8 pins are also connected with single-chip microcomputer Thermal_SDA ends, Thermal_SCL ends respectively, the chip
U45 No. 7 pins, No. 8 pins also pass through resistance R611, resistance R610 and system EC_Thermal_SCL ends, EC_ respectively
Thermal_SDA ends connect.
2. one kind according to claim 1 is soared, computer temperature detects circuit, it is characterised in that the triode Q13
Model be PMBS3904.
3. one kind according to claim 1 is soared, computer temperature detects circuit, it is characterised in that the electric capacity C669 holds
It is 0.1uF to measure as 0.0022uF, the electric capacity C668 capacity.
4. one kind according to claim 1 is soared, computer temperature detects circuit, it is characterised in that the resistance R605,
Resistance R606, resistance R609 resistance are 10K.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720528430.XU CN206805447U (en) | 2017-05-12 | 2017-05-12 | One kind soar computer temperature detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720528430.XU CN206805447U (en) | 2017-05-12 | 2017-05-12 | One kind soar computer temperature detection circuit |
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Publication Number | Publication Date |
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CN206805447U true CN206805447U (en) | 2017-12-26 |
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CN201720528430.XU Expired - Fee Related CN206805447U (en) | 2017-05-12 | 2017-05-12 | One kind soar computer temperature detection circuit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109582552A (en) * | 2018-10-31 | 2019-04-05 | 山东超越数控电子股份有限公司 | A kind of simulating test device of CPU heat dissipation capacity |
-
2017
- 2017-05-12 CN CN201720528430.XU patent/CN206805447U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109582552A (en) * | 2018-10-31 | 2019-04-05 | 山东超越数控电子股份有限公司 | A kind of simulating test device of CPU heat dissipation capacity |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210512 |