CN205068285U - Intelligence computer cooling system - Google Patents
Intelligence computer cooling system Download PDFInfo
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- CN205068285U CN205068285U CN201520842072.0U CN201520842072U CN205068285U CN 205068285 U CN205068285 U CN 205068285U CN 201520842072 U CN201520842072 U CN 201520842072U CN 205068285 U CN205068285 U CN 205068285U
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Abstract
The utility model discloses an intelligence computer cooling system, its characterized in that: including single -chip microcomputer control system, reset circuit, serial circuits, power module, temperature measurement circuit, button module, singlechip extension module, electromotor drive module and display circuit, the utility model discloses utilize single -chip microcomputer control system as whole cooling system's control core, utilize temperature gather of temperature measurement circuit to the motor to automatically, convert the temperature value to data signal and send into the singlechip, then accurate demonstration on LED shows frequently, utilize the single chip microcomputer control electromotor drive chip, utilize electromotor drive to control the motor simultaneously, overall structure is simple, can in time monitor the real -time temperature of quick -witted incasement to automatic convert the temperature value to data signal and send into the singlechip, then accurate demonstration on the display.
Description
Technical field
The utility model relates to a kind of cooling system, particularly relates to a kind of intelligent computer cooling system.
Background technology
The modern life, computer has become an indispensable part in people's life.No matter notebook computer or desktop computer, people can consider its heat dispersion when selecting, a good cooling system can ensure that the high speed of computer is normally run, the activity of high capacity is carried out to the space that CPU is enough, computer technology could be enjoyed to live the infinite glamour brought to us, a visible good cooling system is how important for computer; But, use integrated circuit in a large number in machine element, and as everyone knows, high temperature is the formidable enemy of integrated circuit; High temperature not only can cause system cloud gray model unstable, and serviceable life shortens, and even likely makes some parts burn; The heat of high temperature is caused not to be from outside computing machine, but computer-internal, or perhaps IC interior; The effect of heating radiator is exactly by these heat absorption, then diffuses in cabinet or outside cabinet, ensures that the temperature of machine element is normal; Most heating radiator passes through and heat generating components surface contact, absorbs heat, then is delivered at a distance by heat by various method, and in the air in such as cabinet, then these hot-airs pass to outside cabinet by cabinet, complete the heat radiation of computing machine;
Mention the heating radiator of computing machine, the heating radiator of what we the most often contacted is exactly CPU; Heating radiator is divided into active heat removal and passive heat radiation two kinds usually; The former is comparatively common with air-cooled radiator, and the latter mostly is heat radiator; Finely divided hot mode, can be divided into again air-cooled, liquid cooling, semiconductor refrigerating, compressor cooling etc.; Wherein, liquid cooling semiconductor refrigerating and compressor cooling otherwise technology immature, require high, energy consumption is large; Volume is limited, expensive.
Summary of the invention
The utility model is in order to make up the deficiencies in the prior art, a kind of novel intelligent computer cooling system is provided, this overall system architecture is simple, the real time temperature in cabinet can be monitored in time, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then show accurately over the display;
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of intelligent computer cooling system, is characterized in that: comprise single-chip computer control system, reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit; Described single-chip computer control system respectively with described reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit are connected;
Further improvement, is provided with singlechip control chip in described single-chip computer control system, and the model of described singlechip control chip is STC89C52RC;
This machine further, be provided with motor drive ic in described motor drive block, the model of described motor drive ic is ULN2003;
Further improvement, described power module comprises usb circuit, power light circuit and filtering circuit;
Further improvement, described serial port circuit is MAX232 serial port circuit;
Further improvement, is provided with digital display tube in described display circuit; Described digital display tube is common anode pole digital display tube;
Further improvement, is provided with temperature sensor in described temperature sensing circuit, and the model of described temperature sensor is DS18B20;
Further improvement, described key-press module comprises key circuit and pull-up circuit; Described key circuit comprises five keyswitches; Described pull-up circuit comprises the resistor chain of eight resistance compositions;
Compared with prior art, adopt such scheme, the beneficial effects of the utility model are: the utility model utilizes single-chip computer control system as the control core of whole cooling system, the temperature of temperature sensing circuit to motor is utilized to gather, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then show accurately in LED display frequently, utilize Single-chip Controlling motor drive chip, utilize motor to drive simultaneously and motor is controlled; One-piece construction is simple, can monitor the real time temperature in cabinet in time, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then shows accurately over the display
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the circuit theory diagrams of single-chip computer control system in the utility model;
Fig. 3 is the circuit theory diagrams of power module in the utility model;
Fig. 4 is the circuit theory diagrams of reset circuit in the utility model;
Fig. 5 is the circuit theory diagrams of display circuit in the utility model;
Fig. 6 is the circuit theory diagrams of temperature sensing circuit in the utility model;
Fig. 7 is the circuit theory diagrams of key circuit in the utility model;
Fig. 8 is the circuit theory diagrams of pull-up resistor in the utility model;
Fig. 9 is the circuit theory diagrams of motor drive block in the utility model;
Figure 10 is the circuit theory diagrams of serial port circuit in the utility model;
Figure 11 is the circuit theory diagrams of single-chip microcomputer extension module in the utility model;
Figure 12 is workflow diagram of the present utility model;
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, a kind of intelligent computer cooling system, is characterized in that: comprise single-chip computer control system, reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit; Described single-chip computer control system respectively with described reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit are connected;
As shown in Figure 2, be provided with singlechip control chip in described single-chip computer control system, the model of described singlechip control chip is STC89C52RC;
Chip STC89C52RC is 8 single-chip microcomputers of band 2K byte flash memory; P0-P3 mouth is all Parallel I/O mouth, all can be used for the input and output of data; The wherein P1.4 of P1, P1.5, P1.6, P1.7 mouth is used for the position selected control system of LED display; P1.2 high temperature alarm; P1.3 is for controlling the rotating speed of direct current generator.P2 mouth is used for the section of LED charactron and selects signal to export, and P3.4 is used for the input of DS18B20 temperature detection value, and P0.0-P0.4 detects for the input of button, while P0 mouth add pull-up resistor;
STC89C52RC is a kind of low-voltage of band 4K byte Flash-Programmable erasable read-only memory (FPEROM) 256B ram in slice, high-performance CMOS 8-bit microprocessor.This device adopts ATMEL high density nonvolatile memory manufacturing technology to manufacture, with the MCS-51 instruction set of industrial standard and output pin mutually compatible.Owing to being combined in one single chip by multi-functional 8 bit CPUs and flash memory, the STC89C52RC of STC is a kind of efficient microcontroller, for a lot of embedded control system provides the high and inexpensive scheme of a kind of dirigibility;
each pin function:
VCC: supply voltage;
GND: ground connection;
P0 mouth: P0 mouth is one 8 and leaks levels and to open a way two-way I/O mouth, every pin Absorbable rod 8TTL gate current; When the pin first time of P1 mouth writes 1, be defined as high resistant input, P0 can be used in external program data-carrier store, and it can be defined as the 8th of data/address; When FIASH programmes, P0 mouth is as true form input port, and when FIASH verifies, P0 exports true form, and now P0 outside must be driven high;
P1 mouth: P1 mouth is that an inside provides 8 of pull-up resistor two-way I/O mouths, P1 mouth impact damper can receive and export 4TTL gate current.After P1 mouth pin write 1, be high by inner pull-up, can be used as inputting, P1 mouth by outside drop-down be low level time, by output current, this is the cause due to inner pull-up; When FLASH programming and verification, P1 mouth is as the 8th receiving;
P2 mouth: P2 mouth is 8 two-way I/O mouths of an internal pull-up resistor, P2 mouth impact damper can receive, export 4 TTL gate currents, when P2 mouth is by one writing, its pin is drawn high by internal pull-up resistor, and as input, and during therefore as input, the pin of P2 mouth is dragged down by outside, by output current.This is the cause due to inner pull-up, P2 mouth is when being used for external program memory or 16 bit address external data memories access, the high eight-bit of P2 mouth OPADD, when providing address " 1 ", it utilizes inner pull-up advantage, when reading and writing outside eight bit address data-carrier stores, P2 mouth exports the content of its special function register, and P2 mouth receives high eight-bit address signal and control signal when FLASH programming and verification;
P3 mouth: P3 mouth pin is the two-way I/O mouth of 8 band internal pull-up resistor, can receive output 4 TTL gate currents; When after P3 mouth write " 1 ", they are high level by inner pull-up, and are used as input, and as input, be low level because outside is drop-down, by output current (ILL), this is the cause due to pull-up to P3 mouth; P3 mouth also can be used as some specific function mouths of AT89C51;
As shown in Figure 2, singlechip control chip is also connected with clock circuit, i.e. the crystal oscillating circuit of single-chip microcomputer; The workflow of single-chip microcomputer is exactly under the effect of system clock, the program item by item in execute store; The clock circuit of single-chip microcomputer is by external crystal oscillator and two starting of oscillation electric capacity, and the clock circuit composition of single-chip microcomputer inside, and the frequency of crystal oscillator is higher, and the speed of single-chip microcomputer process data is faster, and system power dissipation also can correspondingly increase, and stability also can decline;
The crystal oscillator frequency that Single Chip Microcomputer (SCM) system is commonly used has 6MHz, 11.0592MHz, 12MHz; Preferably, the utility model adopts 11.0592MHz crystal oscillator, and electric capacity selects 30pF;
As shown in Figure 3, described power module comprises usb circuit, power light circuit and filtering circuit;
Power circuit mainly provides power supply for system, and in utility model, in order to make circuit simple, we directly provide 5V direct supply to be that circuit is powered by USB interface;
As shown in Figure 4, described reset circuit is manual reset circuit, and when system just powers on, the program of single-chip microcomputer inside does not also start to perform, and needs one section of setup time, namely reset time; When program fleet or when crashing, also need to carry out system reset; Reset circuit has a variety of, has electrification reset, hand-reset etc.;
As shown in Figure 5, digital display tube is provided with in described display circuit; Described digital display tube is common anode pole digital display tube; Described common anode pole digital display tube composition LED module, utilizes the light on and off of the I/O mouth driving LED charactron of single-chip microcomputer; In order to simplify circuit, be directly used as the chip selection signal of charactron with P1.5-P1.7 tetra-, P2 mouth is used as the display of its segment encode control LED numerical value;
As shown in Figure 6, be provided with temperature sensor in described temperature sensing circuit, the model of described temperature sensor is DS18B20; Utilize DS18B20 as temperature detection, and temperature signal can be converted to the P3.4 mouth that digital signal inputs to single-chip microcomputer by automatically, detects sensitive, speed;
As shown in Figure 7, Figure 8, described key-press module comprises key circuit and pull-up circuit; Described key circuit (as shown in Figure 7) comprises five keyswitches; Described pull-up circuit (as shown in Figure 8) comprises the resistor chain of eight resistance compositions;
Whole key-press module utilizes five by key control, the opening of system, stops, model selection, and rotation speed of the fan increase and decrease (being defaulted as temperature control mode) under manual mode, and the P0.0-P0.4 respectively by single-chip processor i/o mouth inputs, and P0 mouth adds pull-up resistor;
As shown in Figure 9, be provided with motor drive ic in described motor drive block, the model of described motor drive ic is ULN2003;
ULN2003 is large driven current density array, is used in the control circuits such as single-chip microcomputer, intelligent instrument, PLC, digital output card; Can Direct driver relay even load; Input 5VTTL level, output can reach 500mA/50V;
ULN2003 is high withstand voltage, big current Darlington display, is made up of seven silicon NPN Darlington transistors.The feature of this circuit is as follows: every a pair Darlington of ULN2003 is all connected the base resistance of a 2.7K, and under the operating voltage of 5V, it directly can be connected with cmos circuit with TTL, directly can process the data originally needing standard logic impact damper to process;
ULN2003 is high-voltage great-current darlington transistor array series of products, has the features such as current gain is high, operating voltage is high, temperature range is wide, carrying load ability is strong, is adapted to the system that each generic request high-speed high-power drives;
In the utility model, high temperature alarm and button sounding adopt same circuit, control this part by the P1.2 output signal of single-chip microcomputer after ULN2003, and the control of motor then exports the waveform after modulation through ULN2003 rear drive motor by single-chip microcomputer P1.3;
As shown in Figure 10, described serial port circuit is MAX232 serial port circuit;
As shown in figure 11, described single-chip microcomputer extension module adopts four connection terminals to carry out Function Extension to the relevant pins of single-chip microcomputer;
As shown in figure 12, the utility model mainly completes and each modular program is linked up, and constantly circulation is carried out, and reaches continuous working, and can carry out status poll, when ability executive routine after unlatching, otherwise whether continuous standby inquiry, finally close inquiry, if do not close, normal execution, if close, enters standby inquiry open key state;
The utility model, realize collecting temperature from DS18B20, temperature value one digital signal is sent in single-chip microcomputer and controls display and rotation speed of the fan after treatment, along with the change of temperature, the rotating speed of display and motor also can change, and after entering manual mode, also can manual control rotating speed by button;
The utility model, the real time temperature in cabinet can be monitored in time, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then show accurately in LED display frequently; By analyzing feeding temperature, judging that temperature is with or without reaching maximum temperature, just reports to the police if reached, warning to people; When we select temperature control mode, the temperature value just will sent into participates in PWM, and when temperature constantly increases, rotation speed of the fan constantly increases, and instead knows, along with temperature reduces, rotation speed of the fan also reduces; When entering manual mode, we can increase arbitrarily the rotating speed reducing fan, and simultaneously when we operate button, alarm module LED lights prompting successful operation, the hommization thus design seems, comfortableization;
Index parameter of the present utility model:
In main circuit board, needing the parameter measured: supply voltage, the voltage of each chip and the voltage of single-chip microcomputer, is below the value of each voltage: 1. the measured value of supply voltage is 5.00V; 3. the voltage measuring value of the magnitude of voltage of chip: ULN2003 is the voltage measuring value of 5.02V, MAX232 is 5.00V; 4. the magnitude of voltage of single-chip microcomputer is 4.98V; 5. when motor runs, the voltage at its two ends is 5.00V;
So be 5V circuit for power supply, above parameter is all correct.
Remaining parameter is as follows: 1. in circuit board single-chip microcomputer crystal oscillating circuit in crystal oscillator element 11.0592MHZ; 2. the size of the current-limiting resistance in high temperature alarm circuit is 100; 3. the resistance sizes in display module is 4.7K; And under system worked well state, the voltage of modules, the parameters such as resistance are all normal;
The benefit that the utility model increases manual mode is, performance and the CPU quantity of heat production of different computers are also not quite alike, and the sensitivity that the design controls motor to temperature is quite high, for the computer that the computer too high for temperature or temperature variation are very fast, more suitable; Be not a lot of for some computer heat radiations, the computer that temperature variation is more stable, can adopt manual set position, reduces energy consumption, makes the cooling system life-span longer; Do not add button reminder feature for a lot of by the system by key control, though can reduce energy consumption, be not very clear and definite for operation, when you press, if when changing little, you can not determine that whether operation is successful; If there has been alarm set, each successful operation has had prompting, can bring conveniently, also can conveniently overhaul;
The utility model utilizes single-chip computer control system as the control core of whole cooling system, the temperature of temperature sensing circuit to motor is utilized to gather, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then show accurately in LED display frequently, utilize Single-chip Controlling motor drive chip, utilize motor to drive simultaneously and motor is controlled; One-piece construction is simple, can monitor the real time temperature in cabinet in time, and automatically temperature value is converted to digital signal feeding single-chip microcomputer, then shows accurately over the display;
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, done all conversion, all drop within protection domain of the present utility model.
Claims (8)
1. an intelligent computer cooling system, is characterized in that: comprise single-chip computer control system, reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit; Described single-chip computer control system respectively with described reset circuit, serial port circuit, power module, temperature sensing circuit, key-press module, single-chip microcomputer extension module, motor drive block and display circuit are connected.
2. a kind of intelligent computer cooling system according to claim 1, is characterized in that: be provided with singlechip control chip in described single-chip computer control system, and the model of described singlechip control chip is STC89C52RC.
3. a kind of intelligent computer cooling system according to claim 1, is characterized in that: be provided with motor drive ic in described motor drive block, and the model of described motor drive ic is ULN2003.
4. a kind of intelligent computer cooling system according to claim 1, is characterized in that: described power module comprises usb circuit, power light circuit and filtering circuit.
5. a kind of intelligent computer cooling system according to claim 1, is characterized in that: described serial port circuit is MAX232 serial port circuit.
6. a kind of intelligent computer cooling system according to claim 1, is characterized in that: be provided with digital display tube in described display circuit; Described digital display tube is common anode pole digital display tube.
7. a kind of intelligent computer cooling system according to claim 1, is characterized in that: be provided with temperature sensor in described temperature sensing circuit, and the model of described temperature sensor is DS18B20.
8. a kind of intelligent computer cooling system according to claim 1, is characterized in that: described key-press module comprises key circuit and pull-up circuit; Described key circuit comprises five keyswitches; Described pull-up circuit comprises the resistor chain of eight resistance compositions.
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| CN201520842072.0U CN205068285U (en) | 2015-10-28 | 2015-10-28 | Intelligence computer cooling system |
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| CN201520842072.0U CN205068285U (en) | 2015-10-28 | 2015-10-28 | Intelligence computer cooling system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179814A (en) * | 2016-03-09 | 2017-09-19 | 葛丽 | A kind of computer heat radiation system design |
| CN107390059A (en) * | 2017-07-25 | 2017-11-24 | 齐鲁工业大学 | A kind of signal detection apparatus based on computer network |
| CN107754504A (en) * | 2017-11-07 | 2018-03-06 | 西安智水环境科技有限公司 | One kind disappears haze system infrasound hydrone resonance device |
-
2015
- 2015-10-28 CN CN201520842072.0U patent/CN205068285U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179814A (en) * | 2016-03-09 | 2017-09-19 | 葛丽 | A kind of computer heat radiation system design |
| CN107390059A (en) * | 2017-07-25 | 2017-11-24 | 齐鲁工业大学 | A kind of signal detection apparatus based on computer network |
| CN107754504A (en) * | 2017-11-07 | 2018-03-06 | 西安智水环境科技有限公司 | One kind disappears haze system infrasound hydrone resonance device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |