CN101551680A - A temperature control method and its device - Google Patents
A temperature control method and its device Download PDFInfo
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- CN101551680A CN101551680A CN 200910202802 CN200910202802A CN101551680A CN 101551680 A CN101551680 A CN 101551680A CN 200910202802 CN200910202802 CN 200910202802 CN 200910202802 A CN200910202802 A CN 200910202802A CN 101551680 A CN101551680 A CN 101551680A
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Abstract
The invention provides a temperature control method and its device. The method includes heating battery by using the heat quantity generated by power elements, detecting the current working temperature of the battery, dissipating heat of the battery until the temperature remains at the preconcerted temperature when the current working temperature is higher than the preconcerted temperature. The parts of the set includes heating unit for heating battery by using the heat quantity generated by power elements, detecting unit for detecting the current working temperature of the battery, temperature fixing unit for fixing the current working temperature whether or not higher than the preconcerted temperature, and dissipating heat unit for dissipating heat of the battery when the current working temperature is fixed higher than the preconcerted temperature. The technical scheme provided by this invention can prolong the service life of battery.
Description
Technical field
The present invention relates to temperature control technology, relate in particular to a kind of temperature-controlled process and device thereof.
Background technology
Lithium ion battery is a kind of novel battery with high-energy-density, but lithium ion battery is very high to the requirement of working environment.In all working environmental factor, environment temperature has the greatest impact to lithium ion battery.Discharge test by lithium ion battery as can be known, under the heavy-current discharge pattern, environment temperature is high more, and is also obvious more to the influence of lithium-ion electric tank discharge.Too high environment temperature may make the big volume and electricity of inside battery storage discharge, and finally may cause system/terminal power down, serious consequences such as loss of data.
In the prior art, the method for solution lithium ion battery working temperature problem is: adopt kuppe/air channel to send the heat of active heating power devices such as processor or power supply to lithium ion battery.
But, the inventor is in realizing process of the present invention, there are the following problems at least to find prior art: the temperature that lithium ion battery is given in conduction can't be regulated in kuppe/air channel, when processor or power source loads bigger, when processor or power supply temperature are too high, the temperature of kuppe/air channel air outlet can reach 50 ℃-60 ℃ or higher, may cause battery minimizing in serviceable life, even blast.
Summary of the invention
The embodiment of the invention provides a kind of temperature-controlled process and device thereof, to have prolonged the serviceable life of battery.
For achieving the above object, the embodiment of the invention provides a kind of temperature-controlled process, and this method comprises: the heat heating battery that utilizes power component to produce; Detect the current operating temperature of this battery; If the current operating temperature that detects is higher than preset temperature, then this battery is dispelled the heat, remain on preset temperature until battery temperature.
To achieve these goals, the embodiment of the invention also provides a kind of temperature control equipment, and this device comprises: heating unit is used to the heat heating battery that utilizes power component to produce; Detecting unit is used to detect the current operating temperature of battery; Temperature determining unit is used for determining whether this current work is higher than preset temperature; Heat-sink unit is used for when this temperature determining unit determines that this current working temperature is higher than preset temperature described battery being dispelled the heat.
Technical scheme provided by the invention is conducted to battery by the heat with power component battery is heated, and simultaneously the working temperature of battery is regulated.Like this, make battery operatedly under the environment of a temperature constant, prolonged the serviceable life of battery.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the process flow diagram of temperature-controlled process in the embodiment of the invention 1;
Fig. 2 is the process flow diagram of temperature-controlled process in the embodiment of the invention 2;
Fig. 3 is the structured flowchart of temperature control equipment in the embodiment of the invention 3;
Fig. 4 is the structured flowchart of temperature control equipment in the embodiment of the invention 4;
Fig. 5 is that the example of heating unit in the embodiment of the invention 4 constitutes synoptic diagram;
Fig. 6 is that the application example of temperature control equipment in the embodiment of the invention 4 constitutes synoptic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment 1
The embodiment of the invention provides a kind of temperature-controlled process, and as shown in Figure 1, this method comprises: the heat heating battery (seeing step 101) that utilizes power component to produce; Detect the current operating temperature (seeing step 102) of this battery; If determine that this current working temperature is higher than preset temperature, then this battery is dispelled the heat, remain on preset temperature (seeing step 103) until this battery temperature.
In the present embodiment, this power component can be CPU, also can be power supply etc.This power component produces useless heat, can utilize this heat that battery is heated, and need not consume extra electric energy and heat, thereby can save the energy.
In the present embodiment, this battery can be a lithium ion battery, also can be other battery, and the quantity of battery can also can be a plurality ofly for one, determines according to actual conditions.
In the present embodiment, can be 25 degrees centigrade for this preset temperature of lithium ion battery, lithium ion battery has best performance under this preset temperature, but the stored longer time of energy offered load work, but be not limited thereto temperature, also can determine this temperature according to actual conditions.
By the foregoing description as can be known, when conducting by the heat that power component is produced when to battery battery being heated, and the working temperature of this battery is when surpassing this preset temperature, and can dispel the heat to this battery makes the working temperature of this battery remain on preset temperature.Like this, make battery can always work under the temperature an of the best.
Embodiment 2
The embodiment of the invention provides a kind of temperature-controlled process, and as shown in Figure 2, this method comprises:
In the present embodiment, this power component can be CPU, also can be power supply etc.
In the present embodiment, this heat absorbing element can be used for the useless heat that the draw power element produces, and it can be to be arranged at this power component, as the heating radiator on the CPU etc., but is not limited thereto, and also can adopt other heat absorbing element according to actual conditions.
In the present embodiment, can heat directly be sent to battery by the heat conducting element that is connected with heat absorbing element, with heating battery.
In addition, also can heat be sent to the cartridge element that is arranged on the battery, heat be sent to battery, come heating battery with this by this cartridge element by the heat conducting element that is connected with heat absorbing element.Wherein, this cartridge element can be the heating radiator that is arranged on the battery, also can adopt other cartridge elements according to actual conditions.
In the present embodiment, this heat conducting element can adopt heat pipe, and the conducting strip that also can adopt the stronger material of the capacity of heat transmission to make such as the copper conducting strip, but is not limited thereto, and also can adopt other heat conducting elements according to actual conditions.
In the present embodiment, can adopt temperature sensor to detect the current operating temperature of battery.
Whether step 204, the current operating temperature of judging battery greater than preset temperature, if judged result is for being then to enter step 205; If judged result is then returned step 203 for not.
In the present embodiment, this preset temperature can be about 25 degrees centigrade, and in the time of 25 degrees centigrade, lithium ion battery has best performance usually.
In the present embodiment, if step 204 determines that the current operating temperature of battery greater than preset temperature, illustrates that then battery is overheated, can start fan battery is dispelled the heat; If fan starts, the rotating speed of adjustable fan dispels the heat to battery, makes this battery remain on preset temperature.In the present embodiment, when making that when battery is dispelled the heat this battery temperature is reduced to this preset temperature, can close fan.
In the present embodiment, when step 204 determines that the current working temperature of battery does not surpass preset temperature, then continue the current operating temperature of this battery is detected.
By the foregoing description as can be known, the heat that power component is produced by heat conducting elements such as heat pipe, conducting strips conducts battery to battery is heated, but effective use of energy sources; When the working temperature of this battery surpassed this preset temperature, can dispel the heat to this battery made the working temperature of this battery remain on preset temperature simultaneously.Like this, make battery can be operated under the preset temperature an of the best, the stored energy of battery can the longer time of offered load work.
Embodiment 3
The embodiment of the invention provides a kind of temperature control equipment, and as shown in Figure 3, this device comprises: heating unit 301, detecting unit 302, temperature determining unit 303 and heat-sink unit 304; Wherein, heating unit 301 is used to utilize the heat heating battery of power component generation, detecting unit 302 is used to detect the current operating temperature of battery, temperature determining unit 303 is used for determining whether this current work is higher than preset temperature, heat-sink unit 304 is used for when temperature determining unit 303 determines that this current working temperature is higher than this preset temperature this battery being dispelled the heat.
In the present embodiment, this heating unit 301 can be first the heat that produces of absorbed power element, this heat is sent to battery, so that battery is heated.
In the present embodiment, this power component can be CPU, power supply etc.
In the present embodiment, this detecting unit 302 can adopt temperature sensor to realize, can adopt the analog interface temperature sensor to cooperate analogue-to-digital converters (ADC, Analog-Digital Converter), for example, can adopt AD590 to add the mode of TLV2543; Also can adopt the temperature sensor of digital interface, for example, LM92, LM75 etc., but be not limited thereto, can adopt other temperature sensors according to actual conditions.
In the present embodiment, this temperature determining unit 303 can adopt microcontroller to realize, but is not limited thereto, and can determine according to actual conditions.
In the present embodiment, this heat-sink unit 304 can adopt fan to realize, when temperature determining unit 303 determines that the working temperature of this battery surpasses preset temperature, starts fan battery is dispelled the heat.
In the present embodiment, can be 25 degrees centigrade for this preset temperature of lithium ion battery, but under this preset temperature the stored longer time of energy offered load work of lithium ion battery.
By the foregoing description as can be known, when conducting battery to battery is heated, and when the working temperature of this battery surpassed this preset temperature, can dispel the heat to this battery made the working temperature of this battery remain on preset temperature by the heat that power component is produced.Like this, make battery can be operated under the preset temperature an of the best, the stored energy of battery can the longer time of offered load work, postpones battery serviceable life.
Embodiment 4
The embodiment of the invention provides a kind of temperature control equipment, and this device comprises: heating unit 301, detecting unit 302, temperature determining unit 303 and heat-sink unit 304; Its effect repeats no more as described in the embodiment 3 herein.
In the present embodiment, heating unit 301 can adopt formation as shown in Figure 4.Wherein, this heating unit can comprise: heat absorbing element 401 and heat conducting element 402; Wherein, heat absorbing element 401 is used for the heat that the absorbed power element produces, and heat conducting element 402 is connected with heat absorbing element 401, is used for the heat that power component produces directly is sent to battery.
In the present embodiment, heat absorbing element 401 can be arranged on the power component, and for example, this heat absorbing element 401 can be heating radiator, but the useless heat that the absorbed power element produces; Heat conducting element 402 can adopt heat pipe, also can be the conducting strip that the stronger material of the capacity of heat transmission is made, and as copper conducting strip etc., but is not limited thereto, and can adopt other materials according to actual conditions.Like this, the heat that power component produces can be sent to battery.
In addition, also can battery be heated by the cartridge element that is connected with heat conducting element.Like this, as shown in Figure 4, heating unit 301 also can comprise cartridge element 403, is connected with heat conducting element 402, is used to receive the heat that heat conducting element 402 transmits, and this heat is sent to battery, with heating battery.
In the present embodiment, cartridge element 403 can be a heating radiator.When this battery is placed battery case, this heating radiator can be arranged on the battery case, receive the heat that heat conducting element 402 transmits by this heating radiator, with the battery in the heating battery case.
Fig. 5 is that the example of heating unit in the embodiment of the invention constitutes synoptic diagram.Wherein, be that CPU, heating unit 301 comprise that heat absorbing element, heat conducting element and cartridge element are that example describes above-mentioned heating unit 301 with the power component.
As shown in Figure 5, this power component 500 is CPU, and heat absorbing element is that the heating radiator 501a, the heat conducting element that are arranged on the CPU are that heat pipe 501b, cartridge element are the heating radiator 501c that is arranged on the battery case.Wherein, the heating radiator 501a that is arranged on the CPU absorbs the useless heat that CPU produces, and this heat is transmitted to the heating radiator 501c that is arranged on the battery case by heat pipe 501b, by the heating radiator 501c that is arranged on the battery case battery is heated.
In the present embodiment, heat pipe 501b can be embedded in heating radiator 501a and heating radiator 501c inside, by mechanical means and heating radiator 501a or heating radiator 501c composition one such as crimping.
Wherein, heat pipe is a kind of enhanced heat transfer component efficiently, is widely used in the heat-exchanger rig in spacecraft temperature control, electron device cooling and the various energy-recuperation system.Heat pipe is a closed system, and it is made up of shell, imbibition core and working medium.Heat pipe utilizes the physical process of Working fluid phase changing to transmit heat.When heat when evaporator section imports into, the working medium of imbibition in-core is subjected to thermal evaporation, steam touches cold heat exchanger core surface at condensation segment, emits heat.And working medium is evaporated at evaporator section, makes gas-liquid interface recessed, forms many meniscus, produces the capillary pressure head, and condensed fluid is sent back to evaporator section, finishes closed circulation.Like this, the evaporation of working medium and condensation are just passed to cold junction to heat from the hot junction continuously.
In addition, this heat conducting element can also be made conducting strip by the stronger material of the capacity of heat transmission, and the heat on the heating radiator 501a that is arranged on the CPU is transferred on the lithium ion battery group by the heating radiator 501c that is arranged on the battery case in heat conducting mode.For the consideration on cost and the workability, copper is preferred conducting strip manufactured materials, but is not limited thereto, and also can adopt other heat conductivility good metal as realizations such as silver, gold, aluminium.
In the present embodiment, if heating unit adopts formation as shown in Figure 5, then heat-sink unit 304 can be arranged on heating radiator 501c top as fan, 501c dispels the heat to battery by heating radiator, to reduce the working temperature of battery.
Fig. 6 is that the application example of temperature control equipment constitutes synoptic diagram.The course of work below in conjunction with 5,6 pairs of these temperature control equipments of accompanying drawing describes.
As shown in Figure 6, this temperature control equipment comprises the heating radiator 501a that is arranged on the CPU 500 and is arranged at heating radiator 501c on the battery case, as described in Figure 5, repeats no more herein.In addition, this temperature control equipment also comprises: temperature sensor 601, signal condition converter 602, microcontroller 603 and fan 604.
In the present embodiment, this heating radiator 501a that is arranged on the CPU 500 draws the useless heat that CPU 500 produces, and by heat conducting element such as heat pipe this heat is passed to the heating radiator 501c that is arranged on the battery case, heats the battery in this battery case.
In the present embodiment, the working temperature that this temperature sensor 601 detects in the battery case, and this working temperature signal directly can be sent to microcontroller 603.In addition, if the working temperature signal of temperature sensor 601 outputs and the input of microcontroller 603 do not match, this working temperature signal directly can not be sent to microcontroller 603, then also can use signal condition converter 602 these working temperature signals of conversion, after for example the working temperature conversion of signals that temperature sensor 601 transmits can being become digital signal corresponding, send microcontroller 603 again to, so that the digital signal after the microcontroller 603 identification conversions.
In the present embodiment, microcontroller 603 can be used for to transmit control signal to fan 604 according to the default temperature and the working temperature signal of input: if current operating temperature is higher than preset temperature, then can send the control signal that starts fan to fan 604; If current operating temperature is lower than preset temperature, then can send the control signal that stops fan to fan; If current operating temperature equals preset temperature, then can not transmit control signal to fan.But be not limited thereto, can determine according to actual conditions.
In addition, at fan between 604 starting periods, microcontroller 603 can adopt proportion integration differentiation (PID, Proportional Integrating Differentiation) control, artificial intelligence fuzzy control scheduling algorithm are controlled the exhaust air rate of fan 604, working temperature by the exhaust air rate of regulating fan comes regulating cell makes the working temperature of this battery remain on preset temperature.
By the foregoing description as can be known, the heat that power component is produced by heat conducting elements such as heat pipe, conducting strips conducts battery to battery is heated, but effective use of energy sources; When the working temperature of this battery surpassed this preset temperature, can dispel the heat to this battery made the working temperature of this battery remain on preset temperature simultaneously.Like this, make battery can be operated under the preset temperature an of the best, the stored energy of battery can the longer time of offered load work, postpones serviceable life.
The professional should further recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a temperature-controlled process is characterized in that, described method comprises:
The heat heating battery that utilizes power component to produce;
Detect the current operating temperature of described battery;
If described current operating temperature is higher than preset temperature, then described battery is dispelled the heat, remain on described preset temperature until described battery temperature.
2. method according to claim 1 is characterized in that, the described heat heating battery that utilizes power component to produce comprises:
Absorb the heat that described power component produces by heat absorbing element;
By the heat conducting element that is connected with described heat absorbing element described heat is sent to described battery, to heat described battery.
3. method according to claim 2 is characterized in that, described heat conducting element is conducting strip or the heat pipe of being made by Heat Conduction Material.
4. method according to claim 2 is characterized in that, describedly by the heat conducting element that is connected with described heat absorbing element described heat is sent to described battery, comprising:
Described heat is sent to the cartridge element that is arranged at described battery by the heat conducting element that is connected with described heat absorbing element;
Described cartridge element is sent to described battery with described heat.
5. method according to claim 1, described battery dispelled the heat to be comprised: utilize fan that described battery is dispelled the heat.
6. a temperature control equipment is characterized in that, described device comprises:
Heating unit is used to the heat heating battery that utilizes power component to produce;
Detecting unit is used to detect the current operating temperature of battery;
Temperature determining unit is connected with described detecting unit, is used for determining whether described work at present is higher than preset temperature;
Heat-sink unit is connected with described temperature determining unit, is used for when described temperature determining unit determines that described current operating temperature is higher than described preset temperature described battery being dispelled the heat.
7. device according to claim 6 is characterized in that, described heat-sink unit is a fan.
8. device according to claim 6 is characterized in that, described heating unit comprises:
Heat absorbing element is arranged on the described power component, is used to absorb the heat that described power component produces;
Heat conducting element is connected with described heat absorbing element, is used for the heat that described power component produces is sent to described battery.
9. device according to claim 8 is characterized in that described heating unit also comprises cartridge element, be arranged on the described battery, be connected, be used to receive the heat that described heat conducting element transmits with described heat conducting element, and this heat is sent to described battery, to heat described battery;
And described heat-sink unit is used for by described cartridge element described battery being dispelled the heat.
10. device according to claim 8 is characterized in that, described heat conducting element is conducting strip or the heat pipe of being made by Heat Conduction Material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910202802 CN101551680A (en) | 2009-05-22 | 2009-05-22 | A temperature control method and its device |
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| CN 200910202802 CN101551680A (en) | 2009-05-22 | 2009-05-22 | A temperature control method and its device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013533A (en) * | 2010-09-28 | 2011-04-13 | 上海奕洁汽车科技有限公司 | Method and system for controlling battery temperature of electric vehicle |
| CN103134832A (en) * | 2011-11-28 | 2013-06-05 | 古河奇宏电子（苏州）有限公司 | Detecting method for shortening thermal property detecting time of heat sink assembly |
| CN104081305A (en) * | 2012-02-03 | 2014-10-01 | 罗伯特·博世有限公司 | Regulating device for regulating a cooling circuit for temperature control of a battery system having more than one heating and/or cooling element |
| CN104185402A (en) * | 2013-05-27 | 2014-12-03 | 中兴通讯股份有限公司 | Method and device for heat radiation of control terminal |
| CN108172938A (en) * | 2017-12-25 | 2018-06-15 | 华南理工大学广州学院 | A kind of power battery thermal management |
| CN109599615A (en) * | 2017-09-30 | 2019-04-09 | 比亚迪股份有限公司 | On-vehicle battery temperature control method and humidity control system based on semiconductor |
| CN110061323A (en) * | 2019-03-29 | 2019-07-26 | 华为技术有限公司 | A kind of heat management device, heat management system and new-energy automobile |
| CN111211380A (en) * | 2018-11-21 | 2020-05-29 | 北京小米移动软件有限公司 | Electronic equipment, and control method and device of heat conduction path |
| CN112349999A (en) * | 2019-08-09 | 2021-02-09 | 华为技术有限公司 | Electronic device and battery heating method |
| CN116979181A (en) * | 2023-09-15 | 2023-10-31 | 成都沃飞天驭科技有限公司 | Electric aircraft and control method of electric aircraft battery |
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2009
- 2009-05-22 CN CN 200910202802 patent/CN101551680A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013533B (en) * | 2010-09-28 | 2014-09-10 | 上海奕洁汽车科技有限公司 | Method and system for controlling battery temperature of electric vehicle |
| CN102013533A (en) * | 2010-09-28 | 2011-04-13 | 上海奕洁汽车科技有限公司 | Method and system for controlling battery temperature of electric vehicle |
| CN103134832A (en) * | 2011-11-28 | 2013-06-05 | 古河奇宏电子（苏州）有限公司 | Detecting method for shortening thermal property detecting time of heat sink assembly |
| CN104081305A (en) * | 2012-02-03 | 2014-10-01 | 罗伯特·博世有限公司 | Regulating device for regulating a cooling circuit for temperature control of a battery system having more than one heating and/or cooling element |
| CN104081305B (en) * | 2012-02-03 | 2017-03-15 | 罗伯特·博世有限公司 | For adjust with more than one heating and/or cooling element to the cooling circuit of battery system homoiothermic adjusting means |
| CN104185402A (en) * | 2013-05-27 | 2014-12-03 | 中兴通讯股份有限公司 | Method and device for heat radiation of control terminal |
| CN109599615A (en) * | 2017-09-30 | 2019-04-09 | 比亚迪股份有限公司 | On-vehicle battery temperature control method and humidity control system based on semiconductor |
| CN108172938A (en) * | 2017-12-25 | 2018-06-15 | 华南理工大学广州学院 | A kind of power battery thermal management |
| CN108172938B (en) * | 2017-12-25 | 2021-04-27 | 华南理工大学广州学院 | Power battery heat management system |
| CN111211380A (en) * | 2018-11-21 | 2020-05-29 | 北京小米移动软件有限公司 | Electronic equipment, and control method and device of heat conduction path |
| CN110061323A (en) * | 2019-03-29 | 2019-07-26 | 华为技术有限公司 | A kind of heat management device, heat management system and new-energy automobile |
| CN110061323B (en) * | 2019-03-29 | 2021-02-09 | 华为技术有限公司 | Heat management device, heat management system and new energy automobile |
| CN112349999A (en) * | 2019-08-09 | 2021-02-09 | 华为技术有限公司 | Electronic device and battery heating method |
| CN116979181A (en) * | 2023-09-15 | 2023-10-31 | 成都沃飞天驭科技有限公司 | Electric aircraft and control method of electric aircraft battery |
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Open date: 20091007 |