CN205068284U - Intelligent cooler - Google Patents

Abstract

The utility model discloses an intelligent cooler, its characterized in that: select the circuit including single -chip microcomputer control system, crystal oscillator circuit, motor -drive circuit, display circuit, temperature data collection circuit and decoding position, the utility model discloses utilize temperature sensor to transfer STC89C52 with temperature signal and handle, later give 138 decoders and decode, will decode the result and give the demonstration of common negative pole charactron to detecting the temperature value simultaneously and whether reaching the action temperature, radiator fan is driven by dc motor, and the singlechip sends the rotation of signal driver motor for ULN2003 when reaching the action temperature, the utility model discloses the advantage of utilizing lies in: 1, can realize temperature real -time measurement and demonstration, 2, can oneself set for the action temperature as required, 3, automatic start motor heat dissipation in the time of can realizing high temperature.

Description

A kind of intelligent radiator

Technical field

The utility model relates to a kind of heating radiator, particularly relates to a kind of intelligent radiator being exclusively used in computer.

Background technology

Notebook computer, is easy to carry, and volume is little, and its function meets most of human needs, and the cost that the nearly step along with science and technology is brought declines, and the price of notebook is also by most people is accepted.Along with the increase using notebook number, the various problems of notebook also come out, except cost performance, be concerned about most no more than heat radiation.Notebook is in performance and portability are resisted, and heat radiation becomes the factor of most critical, and laptop heat-dissipation is the bottleneck in notebook core technology always.Sometimes notebook computer can crash unexpectedly, and being exactly generally that system temperature is too high causes;

In order to address this problem, people devise heat dissipation base, and the heat that notebook can be made to produce is diffused into computer outside as soon as possible, does not affect the using function of notebook, and the circuit of computer can not be made to occur corrosion phenomenon, ensure the normal work of notebook computer; Good base can be very large prolongation notebook computer serviceable life;

The material that Vehicles Collected from Market base uses has two kinds: metal or plastics; The thermal conductivity of metal is good, but antiskid glue cushion is arranged at the bottom of present any a notebook, and heat dissipation metal base can not be close together, so the heat conductivility of metal can not be brought into play completely.Certainly, metab still can will come out heat absorption in notebook and spread out better; Metal is generally heavier in addition, and during owing to manufacturing, technological requirement is higher, once it is meticulous not to do manual work, very easily hurts sb.'s feelings; Plastic material is general lighter, and hardness is also higher, and the intensity of a lot of engineering plastics even exceedes metal; For cost and light consideration, lighter in weight, the little notebook that generates heat can select the good plastic heat radiation base of design; But if weight is comparatively large, the heat dissipation base that the higher notebook that generates heat still must use the workmanship of metal material good;

Radiating element is parts conventional on heat dissipation base, and only has plenty of the heating radiator of Single switch formula in the market, and inconvenient operation, frequent switch, also less than the intelligent heat dissipation base carrying out controlling according to temperature variation.

Summary of the invention

The utility model, in order to make up the deficiencies in the prior art, provides a kind of structure simple cooling control system, and this system can realize the temperature of temperature sensor to motor and gather;

For achieving the above object, the technical scheme that the utility model is taked is:

A kind of intelligent radiator, is characterized in that: comprise single-chip computer control system, crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits and select circuit; Described single-chip computer control system selects circuit to be connected with described crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits respectively;

Further improvement, is provided with temperature sensor in described temperature collection circuit;

Further improvement, described temperature sensor is digital temperature sensor, and its model is DS1820;

Further improvement, described display circuit is digital pipe display circuit, is provided with charactron in it;

Further improvement, described charactron is 8 Digital sum pipes;

Further improvement, is provided with motor drive ic in described motor-drive circuit; The model of described motor drive ic is UNL2003A;

Further improvement, described decoded bits is selected in circuit and is provided with code translator; The model of described code translator is 74LS138;

Further improvement, is provided with crystal oscillator in described crystal oscillating circuit; Described crystal oscillator is 12M crystal oscillator;

Compared with prior art, adopt such scheme, the beneficial effects of the utility model are: the utility model utilizes temperature sensor that temperature signal is passed to STC89C52 process, give 138 code translators afterwards and carry out decoding, decode results is given common cathode numeral method, and simultaneously whether detected temperatures value reaches operating temperature, and radiator fan is driven by direct current motor, when reaching operating temperature, single-chip microcomputer sends signal drive motor to ULN2003 and rotates;

The advantage that the utility model utilizes is: 1, can realize temperature real-time measurement and display; 2, can oneself set action temperature as required; Automatic starter motor heat radiation when 3, can realize high temperature.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is circuit theory diagrams of the present utility model;

Fig. 3 is control flow chart 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 radiator, is characterized in that: comprise single-chip computer control system, crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits and select circuit; Described single-chip computer control system selects circuit to be connected with described crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits respectively;

As shown in Figure 2, temperature sensor is provided with in described temperature collection circuit; Described temperature sensor is digital temperature sensor, and its model is DS1820;

DS18B20 digital thermometer provides 9 megadyne temperature readings, indicating device temperature.Information sends into DS18B20 or send through one-wire interface, therefore from DS18B20 to central processing unit, only needs connection one, and reading and writing and the power supply completing temperature transition can be provided by data line itself, and do not need external power source;

The data-interface of DS18B20 is connected with the P3.7 of single-chip microcomputer, and VCC connects 5V power supply, GND ground connection, as shown in Figure 2;

As shown in Figure 2, described display circuit is digital pipe display circuit, is provided with charactron in it; Described charactron is 8 Digital sum pipes;

The eight bit data interface of charactron is connected with the P0 mouth of single-chip microcomputer; The pull-up resistor that centre adds 200 Ω connects as shown in Figure 2; The output terminal Y2 of interface and 138 code translators is selected in the position of charactron, and Y3 connects as shown in Figure 2; 74LS138 code translator A, B, C tri-end be connected with P2.2, P2.3, P2.4 respectively, E1 connects high level, and E2E3 is with connecing low and high level;

As shown in Figure 2, motor drive ic is provided with in described motor-drive circuit; The model of described motor drive ic is UNL2003A;

ULN2003A is 7 road Nverter circuits, and namely when input end is high level, ULN2003A output terminal is low level, and when input end is low level, ULN2003A output terminal is high level.Also can as some devices, as the driving circuit of stepper motor;

The input end 1B of UNL2003A meets the P2.6 of single-chip microcomputer, COM termination VCC; Output terminal 1C connects one end of direct current motor; Another termination power of motor;

As shown in Figure 2, described decoded bits is selected in circuit and is provided with code translator; The model of described code translator is 74LS138; 4,5,6 pin of code translator are control pins, when only having that 4,5 pin are all low level when 6 pin are high level, 74LS138 just carries out decoding to the input of 1,2,3 pin, select the some output pin output low level corresponding with the triad code inputted from these three pins, otherwise all output pins are all export high level;

As shown in Figure 2, what described crystal oscillating circuit adopted is 12M crystal oscillator;

Workflow of the present utility model, as shown in Figure 3, first carries out initialization, carries out initialization then carry out temperature reading to DS18B20 temperature sensor, and gives single-chip microcomputer by port P3.7 by data and process; Ten and a position are got respectively to temperature value, gives charactron data terminal by P0 mouth in turn by ten and a position; The simultaneously P2.2 of single-chip microcomputer, P2.3, P2.4 are connected the position of carrying out charactron by decoding and select with 138 code translators, realize Temperature displaying; Single-chip microcomputer is compared with operating temperature by temperature value, sends the driving that signal realizes direct current motor when temperature is high with during operating temperature by the P2.6 of single-chip microcomputer to UNL2003A; Thus reach the display of temperature and the effect of high temperature automatic heat radiation;

The utility model utilizes temperature sensor that temperature signal is passed to STC89C52 process, give 138 code translators afterwards and carry out decoding, decode results is given common cathode numeral method, and whether detected temperatures value reaches operating temperature simultaneously, radiator fan is driven by direct current motor, and when reaching operating temperature, single-chip microcomputer sends signal drive motor to ULN2003 and rotates;

The advantage that the utility model utilizes is: 1, can realize temperature real-time measurement and display; 2, can oneself set action temperature as required; Automatic starter motor heat radiation when 3, can realize high temperature;

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 (9)

1. an intelligent radiator, is characterized in that: comprise single-chip computer control system, crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits and select circuit; Described single-chip computer control system selects circuit to be connected with described crystal oscillating circuit, motor-drive circuit, display circuit, temperature collection circuit and decoded bits respectively.

2. a kind of intelligent radiator according to claim 1, is characterized in that: be provided with temperature sensor in described temperature collection circuit.

3. a kind of intelligent radiator according to claim 2, is characterized in that: described temperature sensor is digital temperature sensor, and its model is DS1820.

4. a kind of intelligent radiator according to claim 1, is characterized in that: described display circuit is digital pipe display circuit, is provided with charactron in it.

5. a kind of intelligent radiator according to claim 4, is characterized in that: described charactron is 8 Digital sum pipes.

6. a kind of intelligent radiator according to claim 1, is characterized in that: be provided with motor drive ic in described motor-drive circuit; The model of described motor drive ic is UNL2003A.

7. a kind of intelligent radiator according to claim 1, is characterized in that: described decoded bits is selected in circuit and is provided with code translator; The model of described code translator is 74LS138.

8. a kind of intelligent radiator according to claim 1, is characterized in that: be provided with crystal oscillator in described crystal oscillating circuit.

9. a kind of intelligent radiator according to claim 8, is characterized in that: described crystal oscillator is 12M crystal oscillator.