CN202025258U - Computer heating system - Google Patents
Computer heating system Download PDFInfo
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- CN202025258U CN202025258U CN201120087646XU CN201120087646U CN202025258U CN 202025258 U CN202025258 U CN 202025258U CN 201120087646X U CN201120087646X U CN 201120087646XU CN 201120087646 U CN201120087646 U CN 201120087646U CN 202025258 U CN202025258 U CN 202025258U
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Abstract
The utility model relates to a computer heating system, comprising a temperature detecting module, a heating control module and a heating module, wherein the temperature detecting module is used for detecting the temperature of a computer part; the heating control module is used for sending a heating control signal according to a detection result of the temperature detecting module; and the heating module is used for carrying out heating and processing on the computer part according to the heating control signal. In the computer heating system, preheating and heating temperature control can be carried out on corresponding parts of a computer system, so that the defect that the damage of a computer or the influence on the use of a user is easily caused when the existing computer system is booted and works in a low-temperature environment is avoided.
Description
Technical field
The utility model relates to heating arrangement, more particularly, relates to a kind of computing machine heating system.
Background technology
Computer system must be worked in certain temperature range, just can guarantee the correctness of its work.Yet sometimes computer system must be worked under the environment of low temperature (for example military and industrial computer system), therefore the inside computer system temperature is remained on more than the minimum operating temperature.Because inside computer system circuit now can produce heat energy when normal running, therefore enough allow the inside computer system temperature remain on more than the minimum operating temperature usually.
Yet, when computing machine is started shooting under the environment of low temperature (below 0 degree for example Celsius), may not reach working temperature and cause system boot bad because of part interior arrangement in the computer system, even cause assembly itself to damage.For example, general hard disk drive (hard disk, or claim hard disk) can only spend the risk that just has data to run off if be lower than Celsius 0 the environmental work more than 0 degree Celsius mostly, even hard disk corruptions.Though can produce heat energy in normal running computer-chronograph internal system, and can make hard disk remain on the above working temperature of 0 degree Celsius.But before problem was that system does not start shooting, system itself did not produce heat energy, and this moment, then hard disk temperature certainly also can be low excessively if environment temperature is low excessively, and this moment is if the risk of hard disk corruptions just takes place easily in start.
Moreover the popularity of current lcd applications makes its chance that is applied to low temperature environment more and more; But, therefore influence display quality because the viscous behavio(u)r of liquid crystal itself determines that the phenomenon that response speed is slow even can't show appears in available liquid crystal display easily when low temperature (≤-20 ℃).
The utility model content
The technical problems to be solved in the utility model is, defective at existing computer system is started shooting under low temperature environment and worked and causes the machine element damage easily or influence user's use provides a kind of computing machine heating system that can preheat and add heat control to machine element.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of computing machine heating system, comprising: the temperature detecting module that is used for detection computations machine part temperatures; Be used for sending the heating control module of heating control signal according to the testing result of described temperature detecting module; And the heating module that is used for described machine element being carried out heat treated according to described heating control signal.
In computing machine heating system described in the utility model, described computing machine heating system also comprises: be used to indicate the indicating module of the duty of described computing machine heating system, described indicating module is connected with described heating control module.
In computing machine heating system described in the utility model, described temperature detecting module comprises: the thermistor that is used for described machine element temperature variation is converted to change in resistance; And be used for the change in resistance of described thermistor is converted to the testing circuit that detects change in voltage.
In computing machine heating system described in the utility model, described heating control module comprises: the reference circuit that is used to be provided with reference voltage; The comparator circuit that is used for more described detection voltage and described reference voltage; And the control circuit that is used for sending the heating control signal according to the comparative result of described comparator circuit.
In computing machine heating system described in the utility model, described comparator circuit comprises the hysteresis comparator that is used to be provided with two-door limit value.
In computing machine heating system described in the utility model, described heating module comprises: the change-over circuit that is used for described heating control signal is converted to heating signal; And be used for the heating film that described machine element heated according to described heating signal.
In computing machine heating system described in the utility model, described heating film comprises the Copper Foil that adopts the design of different capacity density according to the heat-sinking capability distribution of described machine element.
In computing machine heating system described in the utility model, described heating film also comprises the imines film attached to described copper foil surface.
In computing machine heating system described in the utility model, described indicating module comprises: the input power supply; And the status indicator lamp that is used for indicating the duty of described computing machine heating system according to described heating control signal.
In computing machine heating system described in the utility model, described input power supply is directly connected to described heating control module by supply socket, and described status indicator lamp is set directly on the described heating control module.
Implement computing machine heating system of the present utility model, have following beneficial effect: the temperature control that can preheat the corresponding component of computing machine and heat, avoid existing computer system under low temperature environment, to start shooting and work and caused computing machine to damage or influence the defective of user's use easily.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of first preferred embodiment of computing machine heating system of the present utility model;
Fig. 2 is the structural representation of second preferred embodiment of computing machine heating system of the present utility model;
Fig. 3 is the circuit diagram of temperature detecting module of the preferred embodiment of computing machine heating system of the present utility model;
Fig. 4 is the circuit diagram of heating control module of the preferred embodiment of computing machine heating system of the present utility model;
Fig. 5 is the circuit diagram of heating module of the preferred embodiment of computing machine heating system of the present utility model;
Fig. 6 is the circuit diagram of indicating module of the preferred embodiment of computing machine heating system of the present utility model;
Fig. 7 is the structural representation of heating film of the preferred embodiment of existing computing machine heating system;
Fig. 8 is the structural representation of heating film of the preferred embodiment of computing machine heating system of the present utility model.
Embodiment
Below in conjunction with diagram, preferred embodiment of the present utility model is described in detail.
In the structural representation of first preferred embodiment of computing machine heating system of the present utility model shown in Figure 1, described computing machine heating system comprises temperature detecting module 1, heating control module 2 and heating module 3, temperature detecting module 1 is used for detection computations machine part temperatures, heating control module 2 is used for sending the heating control signal according to the testing result of described temperature detecting module 1, and heating module 3 is used for according to described heating control signal described machine element being carried out heat treated.When the utility model uses, realize the real time temperature of machine element is detected, whether open heating for heating control module 2 testing result is provided by temperature detecting module 1; Heating control module 2 sends the heating control signal for heating module 3 according to testing result; Heating module 3 finally carries out heat treated for corresponding calculated machine parts according to the heating control signal.The temperature control that can preheat the corresponding component of computing machine and heat by the setting to the computing machine heating system has been avoided existing computer system to start shooting under low temperature environment and work and has been caused computing machine to damage or influence the defective of user's use easily like this.
In the structural representation of second preferred embodiment of computing machine heating system of the present utility model shown in Figure 2, described computing machine heating system also comprises indicating module 4, and indicating module 4 is used to indicate the duty of described computing machine heating system.Indicating module 4 is connected with heating control module 2.The user that is arranged so that of indicating module 4 can in time clearly understand the working condition of computing machine heating system, further to make the user grasp can normally using of corresponding computer system, as find computing machine one start, indicating module 4 is worked with regard to the instruct computer heating system, the user can wait for a period of time re-use computing machine with avoid data on hard disc lose or display such as can't show at problem.
Preferred embodiment as computing machine heating system of the present utility model, temperature detecting module 1 comprises thermistor and testing circuit, thermistor is used for described machine element temperature variation is converted to change in resistance, and the change in resistance that testing circuit is used for described thermistor is converted to the detection change in voltage.The circuit diagram of the temperature detecting module 1 of the preferred embodiment of computing machine heating system of the present utility model as shown in Figure 3, wherein resistance R T1 is the thermistor of negative temperature coefficient, and thermistor RT1 and resistance R 1 are connected in the circuit; Testing circuit is by detecting the voltage at thermistor RT1 two ends, the temperature information that changes is converted to the detectable voltage signals of variation, realize real-time detection to temperature, whether open heating for heating control module 2 information is provided, in practical set, the temperature of liquid crystal display is measured at the back side that thermistor RT1 can directly stick on liquid crystal display.
Preferred embodiment as computing machine heating system of the present utility model, heating control module 2 comprises reference circuit 21, comparator circuit 22 and control circuit 23, reference circuit 21 is used to be provided with reference voltage, comparator circuit 22 is used for more described detection voltage and described reference voltage, control circuit 23 is used for sending the heating control signal according to the comparative result of described comparator circuit 22, and comparator circuit 22 comprises the hysteresis comparator that is used to be provided with two-door limit value.The hysteresis comparator that the circuit diagram of the heating control module 2 of the preferred embodiment of computing machine heating system of the present utility model as shown in Figure 4, this heating control module 2 utilize operational amplifier U1 to build is realized; The detection voltage of the variation that obtains according to temperature detecting module 1 is designed to the hysteresis comparator mode of operation with operational amplifier U1, designs corresponding retarding window according to actual conditions.In Fig. 4, the output terminal of operational amplifier U1 is linked to each other via resistance R 3 with positive terminal, and the reference voltages that the reference circuit of being made up of resistance R 2 and resistance R 4 21 is determined also are connected to the positive terminal of operational amplifier U1, the detection voltage of temperature detecting module 1 is connected to the negative phase end of operational amplifier U1, by rational selection resistance R 2, resistance R 3 and resistance R 4, can design rational voltage window, realize detecting the control of voltage operational amplifier U1 output terminal; Reduction along with temperature, temperature detecting module 1 detects the detection voltage that obtains and increases to going up in limited time of voltage window, operational amplifier U1 output heating control signal is opened heating module 3, and along with the rising of temperature, the detection voltage that temperature detecting module 1 detection obtains is reduced to the following of voltage window and prescribes a time limit, and operational amplifier U1 output heating control signal is closed heating module 3.When actual design, heating control module 2 can be designed to standard module, is designed to small-sized integrated circuit board separately, can install on the spot according to the firing equipment of reality, and portability is very strong.
Preferred embodiment as computing machine heating system of the present utility model, heating module 3 comprises change-over circuit and heating film, change-over circuit is used for described heating control signal is converted to heating signal, and heating film is used for according to described heating signal described machine element being heated.In the circuit diagram of the heating module 3 of the preferred embodiment of computing machine heating system of the present utility model shown in Figure 5, change-over circuit by switching tube Q3 and switching tube Q2 conducting and close the heating control signal be converted to the heating signal of connecting the heating film power supply, when switching tube Q2 conducting, heating film begins machine element is heated.Change-over circuit can design on modular small-sized integrated circuit board with heating control module 2, physical circuit principle such as Fig. 5.
Preferred embodiment as computing machine heating system of the present utility model, indicating module 4 comprises input power supply and status indicator lamp, input power utilization adapter input power supply, status indicator lamp is used for indicating according to described heating control signal the duty of described computing machine heating system.Circuit diagram at the indicating module 4 of the preferred embodiment of computing machine heating system of the present utility model shown in Figure 6; When receiving the heating control signal of opening heating module 3, the input power supply is by switching tube Q4 illuminating state pilot lamp, and status indicator lamp can adopt light emitting diode to realize physical circuit principle such as Fig. 6.In actual design, preferably, the input power supply is directly connected to heating control module 2 by supply socket, and the heated condition pilot lamp then directly designs on heating control module 2.
Describe below by the specific embodiment of Fig. 3-Fig. 6 workflow computing machine heating system of the present utility model:
After externally power supply is connected to the computing machine heating system, VCC and VDC normally power on, this moment, operational amplifier U1 began operate as normal, and the voltage of its positive terminal carries out dividing potential drop by resistance R 2 and 4 couples of VCC of resistance R and the output voltage of the operational amplifier U1 that fed back by resistance R 3 is controlled jointly.At this moment, utilize the temperature of the real-time monitoring computer parts of thermistor RT1, and this temperature is converted into detectable voltage signals in real time, be input to the negative phase end of operational amplifier U1, compare with the voltage of positive terminal, according to the comparative result of the two, the output terminal of operational amplifier U1 can be exported or high or low voltage signal accordingly; If detect voltage greater than positive terminal voltage, then operational amplifier U1 is output as low level, and switching tube Q1 turn-offs, the heating control signal of control circuit 23 output high level, after switching tube Q3 conducting, switching tube Q2 conducting, input power vd C is the heating film power supply through switching tube Q2, heating film begins operate as normal, simultaneously, this heating control signal is with switching tube Q4 conducting, and LED lamp D1 begins luminous, shows just at heated condition.If detect voltage less than positive terminal voltage, then operational amplifier U1 is output as high level, and switching tube Q1 conducting, the heating control signal of control circuit 23 output low levels, switching tube Q3 turn-offs, switching tube Q2 turn-offs, and disconnects the power supply of heating film, and heating film stops operate as normal, simultaneously, this heating control signal on-off switching tube Q4, LED lamp D1 can not be luminous, shows to stop heated condition.
For the purpose of this utility model, feature and advantage can be become apparent more, preferred embodiments cited below particularly, and cooperate Fig. 3～Fig. 6 to be described in detail.In the present embodiment, choosing the equipment of being heated is liquid crystal display, and operational amplifier U1 is the LM358D of TI, and switching tube Q1, Q3, Q4 are the BSS138 of Fairchild, and switching tube Q2 is the AP4435GM of APEC, and LED lamp D1 is the 1SA0805Y11A0CA01 of birghtek; And output voltage is designed to VCC=5V, VDC=19V; Through reasonably calculating, select resistance and electric capacity as follows: except R5 does not go up key, R1=R8=R9=R10=100kohm, R2=208kohm, R3=330kohm, R4=67kohm, R6=R7=R11=3.3kohm, C1=0.01uF, C2=10uF; This moment, design basis voltage was 1.224V; Retarding window voltage is: 1.063V～1.528V; Promptly via thermistor RT1 the temperature of liquid crystal display is detected, after the detection voltage of temperature detecting module 1 output surpassed the upper limit 1.528V of window voltage, operational amplifier LM358D is output low level at once, and concrete numerical value is 0.02V; At process switching tube Q1, with the complete conducting of switching tube Q2, this moment, VDC was the heating film power supply behind the Q3, and the heating film operate as normal heats liquid crystal display, heats control signal simultaneously and makes switching tube Q4 conducting, and LED lamp D1 begins luminous, shows just at heated condition.Continuous firing along with heating film, the temperature of liquid crystal display also continues to rise thereupon, and the also real-time negative phase end that is input to operational amplifier LM358D of the detected detection voltage of thermistor RT1, detect voltage at this and continue to be reduced to 1.063V when following, operational amplifier LM358D is output as high level at once, and concrete numerical value is 3.5V; Through switching tube Q1, behind the Q3 switching tube Q2 is turn-offed, it is the heating film power supply that VDC stops, and heating film quits work, and no longer for the liquid crystal display heating, heats control signal on-off switching tube Q4 simultaneously, and LED lamp D1 can not be luminous, and demonstration stops heated condition.
As the preferred embodiment of computing machine heating system of the present utility model, heating film comprises according to the distribute Copper Foil that adopts the design of different capacity density and attached to the imines film of described copper foil surface of the heat-sinking capability of described machine element.The average power design is all taked in the design of existing heating film, as shown in Figure 7; And the heat-sinking capability of parts (for example liquid crystal display) strengthens from inside to outside successively in the computer system, so when heating film was worked, the temperature that is heated parts was unbalanced, certainly will the life-span of liquid crystal display be impacted.In the utility model, at the design of heating film, take to design difform Copper Foil, outside imines film in addition encapsulates and realizes to reach better heating effect; And,, take different power densities to design according to the difference of the heat-sinking capability that is heated each position of parts for the design of Copper Foil; At the strong position of parts heat-sinking capability, the Copper Foil of corresponding heating film is then strengthened heating power density equally, and the weak position of parts heat-sinking capability, the Copper Foil of corresponding heating film then weakens heating power density equally; Design Copper Foil with this, guarantee when heating film is worked, the temperature that is heated parts can reach balanced, and specific design as shown in Figure 8.
The maximum characteristics of the computing machine heating system that this use is novel are that the scheme realization is very simple, under the prerequisite of guaranteed performance and reliability, cost has been dropped to minimum, and this computing machine heating system takes pure hardware to realize, control simple, with low cost and the formation modularization, portability is very high, need arbitrarily can be applied to the computer equipment of heating.The design of lack of balance power density is taked in the design of heating film, heat-sinking capability difference at different machine elements (for example liquid crystal display or hard disk), the power density design of the heating film that it is corresponding is also different thereupon, can better guarantee the temperature unanimity of the equipment that is heated, better realize its performance and guarantee its serviceable life.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure transformation that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. a computing machine heating system is characterized in that, comprising:
The temperature detecting module (1) that is used for detection computations machine part temperatures;
Be used for sending the heating control module (2) of heating control signal according to the testing result of described temperature detecting module (1); And
Be used for described machine element being carried out the heating module (3) of heat treated according to described heating control signal.
2. computing machine heating system according to claim 1 is characterized in that, described computing machine heating system also comprises:
Be used to indicate the indicating module (4) of the duty of described computing machine heating system, described indicating module (4) is connected with described heating control module (2).
3. computing machine heating system according to claim 1 is characterized in that, described temperature detecting module (1) comprising:
Be used for described machine element temperature variation is converted to the thermistor of change in resistance; And
Be used for the change in resistance of described thermistor is converted to the testing circuit that detects change in voltage.
4. computing machine heating system according to claim 1 is characterized in that, described heating control module (2) comprising:
Be used to be provided with the reference circuit (21) of reference voltage;
The comparator circuit (22) that is used for more described detection voltage and described reference voltage; And
Be used for sending the control circuit (23) of heating control signal according to the comparative result of described comparator circuit (22).
5. computing machine heating system according to claim 4 is characterized in that, described comparator circuit (22) comprises the hysteresis comparator that is used to be provided with two-door limit value.
6. computing machine heating system according to claim 1 is characterized in that, described heating module (3) comprising:
Be used for described heating control signal is converted to the change-over circuit of heating signal; And
Be used for the heating film that described machine element heated according to described heating signal.
7. computing machine heating system according to claim 6 is characterized in that, described heating film comprises the Copper Foil that adopts the design of different capacity density according to the heat-sinking capability distribution of described machine element.
8. computing machine heating system according to claim 7 is characterized in that, described heating film also comprises the imines film attached to described copper foil surface.
9. computing machine heating system according to claim 2 is characterized in that, described indicating module (4) comprising:
The input power supply; And
Be used for indicating the status indicator lamp of the duty of described computing machine heating system according to described heating control signal.
10. computing machine heating system according to claim 9 is characterized in that, described input power supply is directly connected to described heating control module (2) by supply socket, and described status indicator lamp is set directly on the described heating control module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087646XU CN202025258U (en) | 2011-03-29 | 2011-03-29 | Computer heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087646XU CN202025258U (en) | 2011-03-29 | 2011-03-29 | Computer heating system |
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| Publication Number | Publication Date |
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| CN202025258U true CN202025258U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120087646XU Expired - Lifetime CN202025258U (en) | 2011-03-29 | 2011-03-29 | Computer heating system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662446A (en) * | 2012-03-29 | 2012-09-12 | 山东超越数控电子有限公司 | Method for heating control of reinforced notebook computer |
| CN104898741A (en) * | 2015-06-24 | 2015-09-09 | 合肥鑫晟光电科技有限公司 | Display device |
| CN106054696A (en) * | 2016-05-27 | 2016-10-26 | 京东方科技集团股份有限公司 | Heating control circuit and liquid crystal display device |
| CN106484002A (en) * | 2015-08-27 | 2017-03-08 | 北京谊安医疗系统股份有限公司 | A kind of anaesthesia machine loop heats automatic thermostatic controller |
| CN108803725A (en) * | 2018-06-29 | 2018-11-13 | 联想长风科技(北京)有限公司 | A kind of temprature control method and electronic equipment |
-
2011
- 2011-03-29 CN CN201120087646XU patent/CN202025258U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102662446A (en) * | 2012-03-29 | 2012-09-12 | 山东超越数控电子有限公司 | Method for heating control of reinforced notebook computer |
| CN104898741A (en) * | 2015-06-24 | 2015-09-09 | 合肥鑫晟光电科技有限公司 | Display device |
| CN106484002A (en) * | 2015-08-27 | 2017-03-08 | 北京谊安医疗系统股份有限公司 | A kind of anaesthesia machine loop heats automatic thermostatic controller |
| CN106054696A (en) * | 2016-05-27 | 2016-10-26 | 京东方科技集团股份有限公司 | Heating control circuit and liquid crystal display device |
| CN108803725A (en) * | 2018-06-29 | 2018-11-13 | 联想长风科技(北京)有限公司 | A kind of temprature control method and electronic equipment |
| CN108803725B (en) * | 2018-06-29 | 2021-06-29 | 联想长风科技(北京)有限公司 | Temperature control method and electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN YANXIANGTONG SOFTWARE CO., LTD. Effective date: 20130705 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130705 Address after: 518057 Guangdong city of Shenzhen province Nanshan District high in the four EVOC Technology Building No. 31 Patentee after: Evoc Intelligent Technology Co., Ltd. Patentee after: SHENZHEN YANXIANGTONG SOFTWARE CO., LTD. Address before: 518057 Guangdong city of Shenzhen province Nanshan District high in the four EVOC Technology Building No. 31 Patentee before: Evoc Intelligent Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |