CN206282158U - Low-temperature heat and startup control device - Google Patents
Low-temperature heat and startup control device Download PDFInfo
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- CN206282158U CN206282158U CN201621283728.0U CN201621283728U CN206282158U CN 206282158 U CN206282158 U CN 206282158U CN 201621283728 U CN201621283728 U CN 201621283728U CN 206282158 U CN206282158 U CN 206282158U
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Abstract
The utility model discloses a kind of low-temperature heat and startup control device, including single-chip microcomputer, temperature sensor, heating tape, fan, the first relay, the second relay and the 3rd relay, the temperature sensor is connected with single-chip microcomputer, and the temperature signal that will be detected is transferred to single-chip microcomputer；Single-chip microcomputer is connected by the first relay with heating tape, and control heating tape work, single-chip microcomputer is connected by the second relay with fan, controls fan work；Single-chip microcomputer is connected with computer, receives the switching signal that computer sends, and the single-chip microcomputer is also connected by the 3rd relay with the switch of computer.The utility model does not change original design, and circuit is simple, using power module sleep electricity power supply, computer will not in itself be powered and cause burden, and cost performance is high.
Description
Technical field
The utility model belongs to severe environment computer technical field, and particularly a kind of low-temperature heat is filled with control is started
Put.
Background technology
FET, inductance, electric capacity these three elements constitute the major part that mainboard CPU powers, this three partition capacitance
Temperature influence is maximum also most obvious.With the reduction of temperature, the impedance of electric capacity starts to improve, and filter effect declines, and works as clutter
Wave amplitude increase to a certain degree, beyond CPU ability to bear when, computer just cannot normally start.Computer motherboard is in low temperature
After upper electricity failure, mainboard can be automatically powered off, and+5V signals existence time is within 6 seconds.
From the foregoing, it will be observed that existing computer slightly cannot normally start under environment disliking, be badly in need of at present a kind of low-temperature heat with
Start control device, computer is normally started in the presence of a harsh environment, but, retouching for correlation is there is no in currently available technology
State.
Utility model content
The purpose of this utility model is to provide a kind of low-temperature heat and start control device.
Realize that the utility model purpose technical solution is：A kind of low-temperature heat and startup control device, including monolithic
Machine, temperature sensor, heating tape, fan, the first relay, the second relay and the 3rd relay, the temperature sensor with
Single-chip microcomputer is connected, and the temperature signal that will be detected is transferred to single-chip microcomputer；Single-chip microcomputer is connected by the first relay with heating tape, control
Heating tape work processed, single-chip microcomputer is connected by the second relay with fan, controls fan work；Single-chip microcomputer is connected with computer,
The switching signal that computer sends is received, the single-chip microcomputer is also connected by the 3rd relay with the switch of computer.
Compared with prior art, its remarkable advantage is the utility model：1) the utility model discloses a kind of low-temperature heat
With startup control device, it is applied in severe environment computer, solves cold-starting difficult problem, greatly reduces electronics
The manufacturing cost of equipment, while the utility model is integrated with temperature sensor, heating tape and fan, can be monitored to temperature,
Ensure that the reliability of severe environment computer；2) the utility model does not change original design, and circuit is simple, using power supply mould
Block sleep electricity power supply, will not in itself power to computer and cause burden, and cost performance is high.
Brief description of the drawings
Fig. 1 is low-temperature heat of the present utility model and startup control device theory diagram.
Fig. 2 is the circuit diagram of single-chip microcomputer.
Fig. 3 is serial port module MAX232 circuit diagrams.
Specific embodiment
With reference to Fig. 1, a kind of low-temperature heat of the present utility model with start control device, including single-chip microcomputer, temperature sensor,
Heating tape, fan, the first relay, the second relay and the 3rd relay, the temperature sensor are connected with single-chip microcomputer, will examine
The temperature signal for measuring is transferred to single-chip microcomputer；Single-chip microcomputer is connected by the first relay with heating tape, the work of control heating tape, single
Piece machine is connected by the second relay with fan, controls fan work；Single-chip microcomputer is connected with computer, receives what computer sent
Switching signal, the single-chip microcomputer is also connected by the 3rd relay with the switch of computer.
Low-temperature heat of the present utility model with start control device also include serial port module, single-chip microcomputer by serial port module with
Host computer is communicated；The serial port module uses serial port chip MAX232.The peripheral circuit of the chip include the 4th electric capacity C4,
First pin of the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7 and the 8th electric capacity C8, wherein serial port chip MAX232 connects
The positive pole of four electric capacity C4, the 3rd pin of serial port chip MAX232 connects the negative pole of the 4th electric capacity C4, wherein serial port chip MAX232
The 4th pin and the 5th pin connect the positive pole and negative pole of the 5th electric capacity C5 respectively, the 6th pin of serial port chip MAX232 connects
The negative pole of eight electric capacity C8, the plus earth of the 8th electric capacity C8, the second pin of serial port chip MAX232 is meeting the 6th electric capacity C6 just
Pole, the negative pole of the 6th electric capacity C6 connects+5V power supplys, and serial port module also connects+5V electricity using the 16th pin of serial port chip MAX232
Source, the pin connects the positive pole of the 7th electric capacity C7 simultaneously, and the negative pole of the 7th electric capacity C7 is grounded, and the 15th of serial port chip MAX232 draws
Pin is also grounded.
The single-chip microcomputer is powered by the sleep power supply of computer.
The model AT89C2051-24P1 of the single-chip microcomputer, the peripheral circuit of the chip includes switch S1, the first electric capacity
C1, first resistor R1, diode V1, the 3rd electric capacity C3, crystal oscillator G1, the second electric capacity C2, second resistance R2,3rd resistor R3,
First pin of seven resistance R7, the 8th resistance R8 and the 9th resistance R9, wherein microprocessor AT89C2051-24P1 and switch S1 mono-
End is connected, and the pin is connected with one end of the first electric capacity C1 negative poles, diode V1 low level ends and first resistor R1 simultaneously, switch
S1 the first electric capacity C1 positive poles of another termination, while being connected with+5V external power supplys, another terminating diode V1 of first resistor R1 is high
Level terminal, while being connected with the 3rd electric capacity C3 negative poles, the second electric capacity C2 negative poles, and is all grounded, and the 3rd electric capacity C3 positive poles connect crystalline substance
Shake G1, while being connected with the 4th pin of microprocessor AT89C2051-24P1, crystal oscillator G1 the second electric capacity C2 positive poles of another termination are same
When be connected with the 5th pin of microprocessor AT89C2051-24P1, the tenth pin of AT89C2051-24P1 ground connection, single-chip microcomputer
13rd pin of AT89C2051-24P1 meets the 9th resistance R9, another termination+5V power supplys of the 9th resistance R9, single-chip microcomputer
16th pin of AT89C2051-24P1 meets the 8th resistance R8, another termination+5V external power supplys of the 8th resistance R8, single-chip microcomputer
17th pin of AT89C2051-24P1 meets the 7th resistance R7, another termination external devices of the 7th resistance R7, single-chip microcomputer
18th pin of AT89C2051-24P1 meets 3rd resistor R3, another termination external devices of 3rd resistor R3, single-chip microcomputer
19th pin of AT89C2051-24P1 meets second resistance R2, another termination external devices of second resistance R2, single-chip microcomputer
20th pin of AT89C2051-24P1 connects+5V external power supplys.
The model of first relay, the second relay and the 3rd relay is JGX-1554F.
The 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the size of the 7th electric capacity C7 and the 8th electric capacity C8 are
1.0uF。
Computer switch signal (+5V) is connected to single-chip microcomputer, and single-chip microcomputer output is connected with the 3rd relay, the relay
The output end of device is connected on the switch of computer；Computer switch signal is conveyed to single-chip microcomputer, and single-chip microcomputer judges that computer is
No normal startup, if upper electricity is unsuccessful, control the 3rd relay analog switch closure is conveyed to computer, allows computer to add again
Electrically activate；
Single-chip microcomputer input is connected with temperature sensor, single-chip microcomputer output and the first relay, the second relay phase
Connection, the first relay is connected with heating tape, and the second relay is connected with fan；According to the temperature that temperature sensor is transmitted
Signal, single-chip microcomputer controls UNICOM or the disconnection of the first relay and the second relay respectively after judging temperature just, then control
Whether whether heating tape processed heats works radiating with fan.The output end of the 3rd relay is in parallel with computer switch.Single-chip microcomputer
Powered by the sleep power supply (Standby) of computer.
Device of the present utility model uses single-chip microcomputer primary module, is opened by detection and analog switch signal control computer
It is dynamic；Equipped with temperature sensor, temperature can be monitored, control heating tape and fan work；There is serial communication work(simultaneously
Can, can be interacted with host computer.
It is described in more detail below：
The utility model apparatus function is divided into low-temperature heat and starts control.
Low-temperature heat：Temperature sensor collecting temperature data, single-chip microcomputer judges whether temperature less than setting value, if warm
Spend it is low, manipulation relay heating tape is worked, computer-internal temperature is lifted with this, be easy to solve computer low temperature be difficult to
Starting problem, while over-heating influence computer normal work can be prevented by controlling fan.
Start control：Single-chip microcomputer judges whether computer goes up electricity by monitoring computer switching signal (+5V power supplys), leads to
Cross the existence time of detection+5V to judge whether computer successfully goes up electricity, power-on switch (switch is simulated by control relay
Signal has about 750 milliseconds).After electricity failure on low temperature (mainboard is automatically powered off, within 6 seconds), single-chip microcomputer can be according to+5V electricity
The level change in source, automatic control relay triggering power-up, until electricity success on computer (+5V is persistently present 6 seconds).
When computer normally starts and shuts down, single-chip microcomputer does not produce trigger signal.
Low-temperature heat fractional hardware is mainly made up of single-chip microcomputer, temperature sensor, relay and auxiliary circuit.
The I/O pins of single-chip microcomputer receive the data of temperature sensor, and I/O output pins are connected with the input of relay
Connect, reach the effect of control relay output end, relay output end is connected with the power end of heating tape, then control heating
Band work；The I/O pins of single-chip microcomputer can make fan work by control relay simultaneously, prevent the too high influence computer event of temperature
Work.
Start control section hardware to be mainly made up of single-chip microcomputer, serial port chip, relay and auxiliary circuit.Relay
Control end is controlled by the I/O pins of single-chip microcomputer, and output end connects the two ends of computer power switch signal respectively.Computer motherboard
+ 5V power supply signals are directly connected on the I/O pins of single-chip microcomputer, and having for+5V power supplys is judged by reading I/O pins signal
Nothing.When i.e.+5V power supplys have output, I/O pins read high level, and when+5V power supplys are without output, I/O pins read low level.
Sleep electricity power supply (+5VSB) powered by computer power supply module, power up module is powered within 100mA, is increased
Power up module will not cause burden to computer sleep electricity power supply.
The utility model solves the problems, such as that computer low temperature is difficult to start；The device is on the basis of temperature detection is realized
It is integrated with fan control circuitry, it is ensured that computer radiates at high temperature.Circuit structure of the present utility model is simple and practical, and work can
Lean on, big change is carried out without the structure and circuit to computer, it is easy for installation, while using power module sleep power supply
(Standby) power, computer will not in itself be powered and cause burden, cost is small.
Claims (6)
1. a kind of low-temperature heat with start control device, it is characterised in that including single-chip microcomputer, temperature sensor, heating tape, wind
Fan, the first relay, the second relay and the 3rd relay, the temperature sensor are connected with single-chip microcomputer, the temperature that will be detected
Degree signal transmission is to single-chip microcomputer；Single-chip microcomputer is connected by the first relay with heating tape, and control heating tape work, single-chip microcomputer passes through
Second relay is connected with fan, controls fan work；Single-chip microcomputer is connected with computer, receives the switch letter that computer sends
Number, the single-chip microcomputer is also connected by the 3rd relay with the switch of computer.
2. low-temperature heat according to claim 1 with start control device, it is characterised in that it is single also including serial port module
Piece machine is communicated by serial port module with host computer；The serial port module uses serial port chip MAX232, the periphery of the chip
Circuit includes the 4th electric capacity (C4), the 5th electric capacity (C5), the 6th electric capacity (C6), the 7th electric capacity (C7) and the 8th electric capacity (C8), its
First pin of middle serial port chip MAX232 connects the positive pole of the 4th electric capacity (C4), and the 3rd pin of serial port chip MAX232 connects the 4th
4th pin and the 5th pin of the negative pole of electric capacity (C4), wherein serial port chip MAX232 connect the positive pole of the 5th electric capacity (C5) respectively
And negative pole, the 6th pin of serial port chip MAX232 connects the negative pole of the 8th electric capacity (C8), the plus earth of the 8th electric capacity (C8), string
The second pin of mouth chip MAX232 connects the positive pole of the 6th electric capacity (C6), and the negative pole of the 6th electric capacity (C6) connects+5V power supplys, serial ports mould
Block also connects+5V power supplys using the 16th pin of serial port chip MAX232, and the pin connects the positive pole of the 7th electric capacity (C7) simultaneously, the
The negative pole ground connection of seven electric capacity (C7), the 15th pin of serial port chip MAX232 is also grounded.
3. low-temperature heat according to claim 1 with start control device, it is characterised in that single-chip microcomputer is slept by computer
Dormancy power supply is powered.
4. low-temperature heat according to claim 1 with start control device, it is characterised in that the model of single-chip microcomputer
AT89C2051-24P1, the peripheral circuit of the single-chip microcomputer includes switch (S1), the first electric capacity (C1), first resistor (R1), two poles
Pipe (V1), the 3rd electric capacity (C3), crystal oscillator (G1), the second electric capacity (C2), second resistance (R2), 3rd resistor (R3), the 7th resistance
(R7), the 8th resistance (R8) and the 9th resistance (R9), wherein first pin of microprocessor AT89C2051-24P1 and switch (S1)
One end is connected, pin one end simultaneously with the first electric capacity (C1) negative pole, diode (V1) low level end and first resistor (R1)
Be connected, switch (S1) another electric capacity of termination first (C1) positive pole, while be connected with+5V external power supplys, first resistor (R1) it is another
One terminating diode (V1) high level end, while being connected, and all connecing with the 3rd electric capacity (C3) negative pole, the second electric capacity (C2) negative pole
Ground, the 3rd electric capacity (C3) positive pole connects crystal oscillator (G1), while be connected with the 4th pin of microprocessor AT89C2051-24P1, crystal oscillator
(G1) another termination the second electric capacity (C2) positive pole is connected with the 5th pin of microprocessor AT89C2051-24P1 simultaneously,
The tenth pin ground connection of AT89C2051-24P1, the 13rd pin of microprocessor AT89C2051-24P1 connects the 9th resistance (R9),
Another termination+5V power supplys of the 9th resistance (R9), the 16th pin of microprocessor AT89C2051-24P1 connects the 8th resistance (R8),
8th another termination+5V external power supplys of resistance (R8), the 17th pin of microprocessor AT89C2051-24P1 connects the 7th resistance
(R7), the 7th another termination external devices of resistance (R7), the 18th pin of microprocessor AT89C2051-24P1 connects 3rd resistor
(R3), another termination external devices of 3rd resistor (R3), the 19th pin of microprocessor AT89C2051-24P1 connects second resistance
(R2), another termination external devices of second resistance (R2), the 20th pin of microprocessor AT89C2051-24P1 connects the external electricity of+5V
Source.
5. low-temperature heat according to claim 1 with start control device, it is characterised in that the first relay, second after
The model of electrical equipment and the 3rd relay is JGX-1554F.
6. low-temperature heat according to claim 2 with start control device, it is characterised in that the 4th electric capacity (C4), the 5th
The size of electric capacity (C5), the 6th electric capacity (C6), the 7th electric capacity (C7) and the 8th electric capacity (C8) is 1.0uF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283728.0U CN206282158U (en) | 2016-11-28 | 2016-11-28 | Low-temperature heat and startup control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283728.0U CN206282158U (en) | 2016-11-28 | 2016-11-28 | Low-temperature heat and startup control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282158U true CN206282158U (en) | 2017-06-27 |
Family
ID=59074349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621283728.0U Active CN206282158U (en) | 2016-11-28 | 2016-11-28 | Low-temperature heat and startup control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206282158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647184A (en) * | 2019-09-04 | 2020-01-03 | 浪潮金融信息技术有限公司 | Method for realizing low-temperature starting of RK3128ARM platform system |
| CN111796987A (en) * | 2020-07-14 | 2020-10-20 | 山东超越数控电子股份有限公司 | Device and method for monitoring and controlling internal temperature of computer based on single chip microcomputer |
-
2016
- 2016-11-28 CN CN201621283728.0U patent/CN206282158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647184A (en) * | 2019-09-04 | 2020-01-03 | 浪潮金融信息技术有限公司 | Method for realizing low-temperature starting of RK3128ARM platform system |
| CN111796987A (en) * | 2020-07-14 | 2020-10-20 | 山东超越数控电子股份有限公司 | Device and method for monitoring and controlling internal temperature of computer based on single chip microcomputer |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 222000 18 Shenghu Road, Lianyungang City, Jiangsu Province Patentee after: The 716th Research Institute of China Shipbuilding Corp. Address before: 222000 18 Shenghu Road, Lianyungang City, Jiangsu Province Patentee before: 716TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. |
|
| CP01 | Change in the name or title of a patent holder |