CN102522609B - Lithium-ion battery heat insulation device and control method thereof - Google Patents
Lithium-ion battery heat insulation device and control method thereof Download PDFInfo
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- CN102522609B CN102522609B CN201210008481.1A CN201210008481A CN102522609B CN 102522609 B CN102522609 B CN 102522609B CN 201210008481 A CN201210008481 A CN 201210008481A CN 102522609 B CN102522609 B CN 102522609B
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Abstract
The invention discloses a lithium-ion battery heat insulation device and a control method thereof. The heat insulation device comprises an insulation box for containing a lithium-ion battery, and a temperature control circuit of which the power is supplied by the lithium-ion battery and which is used for controlling the ambient temperature around the lithium-ion battery; and the temperature control circuit is arranged in the insulation box. The temperature control circuit comprises a temperature detection module, an automatic temperature control switch module and a temperature controlling device; the temperature detection module is connected with the automatic temperature control switch module; and the automatic temperature control switch module is serially connected with the temperature control device. The invention solves the problem that an existing lithium-ion battery is seriously restricted by the ambient temperature when being used, so that an ordinary lithium-ion battery can be used normally not only at room temperature but also in cold environment and at high temperature, and the invention has the advantages of simple structure, easiness in manufacturing, convenience in use and good adaptability.
Description
Technical field
The present invention relates to a kind of attemperator, more specifically, relate to a kind of lithium-ion battery heat insulation device and control the control method that lithium battery is operated in predetermined work temperature range.
Background technology
Lithium battery is the accumulation power supply of a new generation, be negative material by lithium metal or lithium alloy, use non-aqueous electrolytic solution, be widely used on the current battery powered product facility of various needs, particularly in the field such as hand-hold electronic equipments, electric automobile, the lithium battery power supply that most is with practical value especially.
In all environmental factors, the charge-discharge performance of temperature to lithium battery has the greatest impact, and the electrochemical reaction that electrode/electrolyte interface occurs is relevant with ambient temperature, and electrode/electrolyte interface is regarded as the heart of battery.If temperature declines, the reaction rate of electrode also declines.Suppose cell voltage holding constant, then discharging current reduces, and the power output of battery also can reduce.If temperature rises, contrary, namely cell output increases.Temperature also affects the transfer rate of electrolyte, and temperature rises, and transmits and accelerates, and temperature declines, then transmit and slow down, battery charging and discharging performance also can be affected.But temperature is too high, as more than 45 DEG C, then can destroys the chemical balance in battery, cause side reaction.The discharging efficiency of such as NI-G, Ni-MH battery has significant reduction when low temperature (as lower than-15 DEG C), and-20 DEG C time, alkali lye reaches solidifying point, and battery charging rate also reduces greatly.When low temperature 0 DEG C, charging can increase inner pressure of battery and safety valve may be made to open.In order to effective charging, ambient temperature range should control between 5 ~ 30 DEG C, and general charge efficiency can raise with the rising of temperature, but when temperature is elevated to the high temperature of more than 45 DEG C, the performance of rechargeable battery material can be degenerated, and battery cycle life also will shorten greatly.Such as, under low-temperature condition (such as-40 DEG C), lithium ion battery can only release the electricity of 10% ~ 30%.
For the occasion at many user places, all may run into the more severe situation of temperature, the sun direct projection such as high latitude area, torrid areas, desert in such as winter, more particularly be mainly used in outdoor layout, field work or even perform electronic equipment, the transit equipment of special duty, all wishing that the equipment that can ensure to comprise lithium battery is to the requirement of temperature.
When lithium battery uses under low-temperature condition (less than-10 DEG C), performance can be had a greatly reduced quality, cannot use (environment that temperature is extremely low) even at all, current solution is the material of change lithium battery interior, battery is made by special material, be referred to as " low temperature battery ", make it to use in low temperature environment.
When using in extremely cold environment with the lithium battery of low temperature material manufacture, its performance is still had a strong impact on, and environment for use scope is also very limited.This " low temperature battery " not only requires high to the material of lithium battery, and requiring high to cell making process, price, the more important thing is that its scope of application is very little, greatly limit the scope of application of lithium battery, finally still form the situation that common lithium battery cannot use at low temperatures.
In addition, increasing area starts to occur temperature more extreme than before in the world at present, and such as many sections of reports introduce the high temperature that the multiple area of China all occurs higher than 40 degree (even 50 degree) in summer.Under the high temperature conditions, the performance and used life of lithium battery is all subject to serious impact.
At present, the state that market is formed is: the lithium battery that common material is made, and can only use, the lithium battery made by special material at the environment of corresponding temperature range, also can only use at the environment of corresponding temperature range.
Summary of the invention
One object of the present invention, is to provide a kind of lithium-ion battery heat insulation device, to solve existing lithium battery seriously by the problem of environment for use temperature limitation.
Another object of the present invention, is to provide a kind of lithium-ion battery heat insulation device, is the optimum working temperature maintaining lithium battery, reduces ambient temperature to the impact of lithium battery performance.
Another object of the present invention, is to provide a kind of lithium-ion battery heat insulation device, extend lithium battery inclement condition area and environment under useful life.
Another object of the present invention, is to provide a kind of method making lithium battery can keep appropriate working temperature, maintains the optimum working temperature of lithium battery, reduces ambient temperature to the impact of lithium battery performance.
Another object of the present invention, is to provide a kind of method making lithium battery can keep appropriate working temperature, simultaneously extend lithium battery inclement condition area and environment under useful life.
Another object of the present invention, is to provide a kind of method making lithium battery can keep appropriate working temperature, to solve existing lithium battery seriously by the problem of environment for use temperature limitation.
The object of the invention is to be achieved through the following technical solutions:
A kind of lithium-ion battery heat insulation device, comprises the insulation booth for holding lithium battery, and the temperature-control circuit by described lithium battery power supply and for automatically controlling described lithium battery ambient temperature, and described temperature-control circuit is arranged in described insulation booth.
Preferably, described insulation booth is plastic box.
Preferably, described temperature-control circuit comprises temperature detecting module, temperature control automatic switch module and register, and described temperature detecting module and described temperature control automatic switch model calling, described temperature control automatic switch module is connected with described register.
Preferably, described register is carbon fibre heating cloth.
Preferably, described temperature-control circuit also comprises series connection manual master switch in circuit and is used to indicate the indicator light of circuit working state.
Preferably, be also provided with heat insulation box in described insulation booth, described carbon fibre heating cloth is arranged on the inner surface of described heat insulation box box body.
Preferably, the protective circuit plate of described temperature-control circuit and lithium battery integrates, and described protective circuit plate is placed on the battery core of lithium battery.
Preferably, described insulation booth lid is provided with the through hole passed for manual master switch, indicator light and power supply output line.
Preferably, described indicator light is LED light.
The present invention also provides a kind of control method lithium battery being remained on predetermined work temperature range, and the method uses any one above-mentioned lithium-ion battery heat insulation device, it is characterized in that:
Set two end values in predetermined normal temperature interval;
When detecting that temperature is in predetermined normal temperature interval, register does not work;
When the low temperature end value of temperature lower than predetermined normal temperature interval being detected, starting register, the ambient temperature around lithium battery is raised;
When the high temperature end value of temperature higher than predetermined normal temperature interval being detected, starting register, the ambient temperature around lithium battery is reduced.
Further, the temperature end in predetermined temperature interval and low-temperature end can arrange two or more end value respectively, when the working temperature of the lithium battery detected is in different end value regions, control register with different power work.
Further, the temperature end in predetermined temperature interval and low-temperature end arrange two end values respectively,
When working temperature is lower than the first cryogenic temperature end value, register works with the first intensification power;
When working temperature is lower than the second cryogenic temperature end value, register works with the second intensification power;
Wherein, the first cryogenic temperature end value is lower than the second cryogenic temperature end value, and the first intensification power work is greater than the second intensification power work;
When working temperature is lower than the first high-temperature temperature end value, register is with the first down power work;
When working temperature is lower than the second high-temperature temperature end value, register is with the second down power work;
Wherein, the first high-temperature temperature end value is lower than the second high-temperature temperature end value, and the first down power work is greater than the second down power work.
Operation principle of the present invention is: lithium battery or lithium battery group are placed in a box body, the temperature-control circuit that also automatically can be controlled described lithium battery ambient temperature by described lithium battery power supply is set in box body, thus under making lithium battery or lithium battery group be operated in adapt circumstance temperature, avoid lithium battery or lithium battery group can not work because ambient temperature is too low or serviceability is had a greatly reduced quality.
Beneficial effect of the present invention is: structure is simple, be easy to manufacture, easy to use, adapt to; Existing lithium battery can be solved seriously by the problem of environment for use temperature limitation; Maintain the optimum working temperature of lithium battery, reduce ambient temperature to the impact of lithium battery performance; The useful life of lithium battery under inclement condition area and environment can be extended simultaneously.
Accompanying drawing explanation
According to drawings and embodiments the present invention is described in further detail below.
Fig. 1 is the external structure schematic diagram after placing lithium battery in first embodiment of the invention.
Fig. 2 is the internal structure schematic diagram after placing lithium battery in first embodiment of the invention.
Fig. 3 is the structural principle schematic diagram of the electrothermal refrigeration sheet in the register in first embodiment of the invention.
In figure:
1, insulation crust; 2, heat insulation box; 3, register; 4, battery core; 5, protective circuit plate; 6, indicator light; 7, power supply output line.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
First embodiment
Fig. 1 ~ 2 show the first embodiment of the present invention, lithium-ion battery heat insulation device in this embodiment, comprise the insulation crust 1 for placing lithium battery, the incubation chamber 2 arranged in insulation crust 1, be placed on lithium battery in incubation chamber 2 and register 3, in this insulation crust 1, be also provided with temperature-control circuit, this temperature-control circuit is by described lithium battery power supply and for automatically controlling described lithium battery ambient temperature.
The box body playing protection supporting role that described insulation crust 1 is formed for insulating material, preferably, this cell material be there is good effect of heat insulation, there is higher-strength, the material with good insulating performance, such as, plastics, plastic cement, resin etc.Described box body/insulation booth 1 inside is also provided with heat insulation box 2 again, and described temperature-adjusting device 3 is arranged on the inner surface of described heat insulation box 2 box body.
Described temperature-control circuit comprises temperature detecting module Rt, temperature control automatic switch module Kt and register R, and described temperature detecting module Rt is connected with described temperature control automatic switch module Kt, and described temperature control automatic switch module Kt connects with described register R.
Described temperature-control circuit also comprises series connection manual master switch SW in circuit and is used to indicate the indicator light 6 of circuit working state.Described indicator light can be LED light, or also can be the indicator light of other kinds.
The protective circuit plate 5 of described temperature-control circuit and lithium battery integrates, and described protective circuit plate 5 is placed on the battery core 4 of lithium battery.
Described insulation booth 1 lid is provided with the through hole passed for manual master switch SW, indicator light 6 and power supply output line 7.
Described register 3 can be thermoelectric module, this focus cooling piece also becomes semiconductor chilling plate, its work running utilizes direct current, it not only can freeze but also can heat, decide on same cooling piece, realize refrigeration or heating by the polarity changing direct current, the generation of this effect is exactly pass through thermoelectric cooling.The operation principle of focus cooling piece/semiconductor chilling plate is: when one block of N type semiconductor material and one block of P type semiconductor material are coupled to galvanic couple pair, after connecting direct current in this circuit, the just energy-producing transfer of energy, the joint that electric current flows to P type element by N-type element absorbs heat, become cold junction is flowed to N-type element joint release heat by P type element, become hot junction.The size of heat absorption and release is decided by the size of electric current and the element logarithm of semi-conducting material N, P.Fig. 3 is exactly a cooling piece, and it is made up of two groups of potsherds, has the semi-conducting material (bismuth telluride) of N-type and P type in the middle of it, and this semiconductor element is link composition with cascade on circuit.
Second embodiment
A kind of lithium battery heat preserving method is provided in second embodiment of the invention, the method uses the lithium-ion battery heat insulation device in the first embodiment, when needs use lithium battery or lithium battery group under extreme temperature environment, first the manual master switch SW on insulation crust 1 lid is opened, temperature-control circuit is started working, and now LED light is shinny; Then set the temperature limit point of temperature control automatic switch module Kt, this temperature limit point can be set to one or more, such as, be set to 5 DEG C and 30 DEG C, is wherein normal working temperature between 5 DEG C to 30 DEG C.
When temperature detecting module Rt detects the temperature of lithium battery higher than 30 DEG C, thermoelectric module in register 3 in temperature control automatic switch module Kt A.T.C control circuit is started working, outwardly quantity of heat given up, namely dispels the heat, thus lithium battery ambient temperature is reduced;
When temperature detecting module Rt detects the temperature of lithium battery lower than 5 DEG C, temperature control automatic switch module Kt connects temperature-control circuit automatically, temperature control automatic switch module Kt control temperature control circuit, thermoelectric module heating power in register 3 now in temperature-control circuit, absorb extraneous heat, thus lithium battery ambient temperature is raised;
When temperature detecting module Rt detects that lithium battery ambient temperature is between 5 DEG C to 30 DEG C, temperature control automatic switch module Kt break-off signal control circuit, the electrothermal refrigeration sheet now in register 3 is in resting state.So, even if lithium battery ambient temperature remains between 5 DEG C to 30 DEG C.
When user does not need serviceability temperature regulatory function, close the manual master switch SW on insulation crust 1 lid, temperature-control circuit is quit work, now LED light is extinguished.
3rd embodiment
A kind of lithium battery heat preserving method is provided in second embodiment of the invention, the method uses the lithium-ion battery heat insulation device in the first embodiment, the method temperature limit point can be set to more, such as be set to the first low temperature threshold 5 DEG C and the second low temperature threshold 0 DEG C, the first high temperature threshold value 30 DEG C and the second high temperature threshold value 35 DEG C, in temperature-control circuit, be also provided with comparator and control chip.When opening the manual master switch SW on insulation booth 1 lid, temperature-control circuit is started working, and now LED light is shinny; When temperature detecting module Rt detects the temperature of lithium battery higher than the first high temperature threshold value 30 DEG C, thermoelectric module in register 3 in temperature control automatic switch module Kt A.T.C control circuit is started working, outwardly quantity of heat given up, namely dispels the heat, and its power is the first heat radiation power;
When temperature detecting module Rt detects the temperature of lithium battery higher than the second high temperature threshold value 35 DEG C, thermoelectric module in register 3 in temperature control automatic switch module Kt A.T.C control circuit starts with larger current work, outwardly quantity of heat given up, namely dispel the heat, its power is the second heat radiation power, and this second heat radiation power is greater than the first heat radiation power.
When temperature detecting module Rt detects the temperature of lithium battery lower than the first low temperature threshold 5 DEG C, temperature control automatic switch module Kt connects temperature-control circuit automatically, temperature control automatic switch module Kt control temperature control circuit, thermoelectric module heating power in register 3 now in temperature-control circuit, absorb extraneous heat, thus lithium battery ambient temperature is raised, namely absorb heat, its power is the first intensification power;
When temperature detecting module Rt detects the temperature of lithium battery lower than the second low temperature threshold 0 DEG C, temperature control automatic switch module Kt control temperature control circuit, thermoelectric module heating power in register 3 now in temperature-control circuit, absorb extraneous heat, thus lithium battery ambient temperature is raised, namely absorb heat, its power is the second Endothermic power, and this second Endothermic power is greater than the first intensification power.
When temperature detecting module Rt detects that lithium battery ambient temperature is between 5 DEG C to 30 DEG C, temperature control automatic switch module Kt break-off signal control circuit, the electrothermal refrigeration sheet now in register 3 is in resting state.So, even if lithium battery ambient temperature remains between 5 DEG C to 30 DEG C.When user does not need serviceability temperature regulatory function, close the manual master switch SW on insulation crust 1 lid, temperature-control circuit is quit work, now LED light is extinguished.
4th embodiment
In the 4th embodiment, lithium-ion battery heat insulation device, comprise the insulation crust 1 for placing lithium battery, the incubation chamber 2 arranged in insulation crust 1, be placed on lithium battery in incubation chamber 2 and register 3, in this insulation crust 1, be also provided with temperature-control circuit, this temperature-control circuit is by described lithium battery power supply and for automatically controlling described lithium battery ambient temperature.
The box body playing protection supporting role that described insulation crust 1 is formed for insulating material, preferably, this cell material be there is good effect of heat insulation, there is higher-strength, the material with good insulating performance, such as, plastics, plastic cement, resin etc.Described box body/insulation booth 1 inside is also provided with heat insulation box 2 again, and described temperature-adjusting device 3 is arranged on the inner surface of described heat insulation box 2 box body.
Described temperature-control circuit comprises temperature detecting module Rt, temperature control automatic switch module Kt and register R, and described temperature detecting module Rt is connected with described temperature control automatic switch module Kt, and described temperature control automatic switch module Kt connects with described register R.
Described temperature-control circuit also comprises series connection manual master switch SW in circuit and is used to indicate the indicator light 6 of circuit working state.Described indicator light can be LED light, or also can be the indicator light of other kinds.
The protective circuit plate 5 of described temperature-control circuit and lithium battery integrates, and described protective circuit plate 5 is placed on the battery core 4 of lithium battery.
Described insulation booth 1 lid is provided with the through hole passed for manual master switch SW, indicator light 6 and power supply output line 7.
Described register 3 is the phase-changing energy storage material of multiple individual packages.The phase transition temperature of preferred described phase-changing energy storage material is close to the optimum working temperature of lithium battery, phase-changing energy storage material is in its thing phase change process, heat (cold) amount can be absorbed or release heat from environment in environment, thus reach the object of energy storage and release and adjusting energy demand and supply, it can be the one in paraffin class, higher aliphatic acids, polyolefin, alcohols, preferred use paraffin, the solid liquid phase phase transition temperature of paraffin changes, within the scope of 0 DEG C ~ 80 DEG C with the length of the carbochain of the paraffin molecule of composition paraffin.Also can add metal dust or carbon fiber to increase the thermal conductivity of material in paraffin.The phase-changing energy storage material of described multiple individual packages is separately positioned on around lithium battery, and wherein a part is set to the pre-cold conditions preparing heat absorption, absorbs heat when being energized; A part is set to the preheating state preparing heating, the evolution of heat when being energized.
5th embodiment
A kind of lithium battery heat preserving method is provided in fifth embodiment of the invention, the method uses the lithium-ion battery heat insulation device in the 4th embodiment, when needs use lithium battery or lithium battery group under extreme temperature environment, first the manual master switch SW on insulation booth 1 lid is opened, temperature-control circuit is started working, and now LED light is shinny; Then set the temperature limit point of temperature control automatic switch module Kt, this temperature limit point can be set to one or more, such as, be set to 5 DEG C and 30 DEG C, is wherein normal working temperature between 5 DEG C to 30 DEG C.
When temperature detecting module Rt detects the temperature of lithium battery higher than 30 DEG C, the phase-changing energy storage material energising of the pre-cold conditions in the register 3 in temperature control automatic switch module Kt A.T.C control circuit is started working, absorb the heat of lithium battery, thus lithium battery ambient temperature is reduced;
When temperature detecting module Rt detects the temperature of lithium battery lower than 5 DEG C, temperature control automatic switch module Kt connects temperature-control circuit automatically, temperature control automatic switch module Kt control temperature control circuit, the phase-changing energy storage material energising of the preheating state in the register 3 now in temperature-control circuit is started working, to the lithium battery evolution of heat, thus lithium battery ambient temperature is raised;
When temperature detecting module Rt detects that lithium battery ambient temperature is between 5 DEG C to 30 DEG C, temperature control automatic switch module Kt break-off signal control circuit, the electrothermal refrigeration sheet now in register 3 is in resting state.So, even if lithium battery ambient temperature remains between 5 DEG C to 30 DEG C.
When user does not need serviceability temperature regulatory function, close the manual master switch SW on insulation crust 1 lid, temperature-control circuit is quit work, now LED light is extinguished.
6th embodiment
A kind of lithium battery heat preserving method is provided in sixth embodiment of the invention, the method uses the lithium-ion battery heat insulation device in the 4th embodiment, the method temperature limit point can be set to more, such as be set to the first low temperature threshold 5 DEG C and the second low temperature threshold 0 DEG C, the first high temperature threshold value 30 DEG C and the second high temperature threshold value 35 DEG C, in temperature-control circuit, be also provided with comparator and control chip.When opening the manual master switch SW on insulation booth 1 lid, temperature-control circuit is started working, and now LED light is shinny;
When temperature detecting module Rt detects the temperature of lithium battery higher than the first high temperature threshold value 30 DEG C, in register 3 in temperature control automatic switch module Kt A.T.C control circuit, the phase-changing energy storage material energising of pre-cold conditions is started working, absorb the heat of lithium battery, thus lithium battery ambient temperature is reduced, its power is the first heat radiation power;
When temperature detecting module Rt detects the temperature of lithium battery higher than the second high temperature threshold value 35 DEG C, the phase-changing energy storage material energising of the pre-cold conditions in the register 3 in temperature control automatic switch module Kt A.T.C control circuit starts with larger current work, absorb the heat of lithium battery, thus lithium battery ambient temperature is reduced, its power is the second heat radiation power, and this second heat radiation power is greater than the first heat radiation power.
When temperature detecting module Rt detects the temperature of lithium battery lower than the first low temperature threshold 5 DEG C, temperature control automatic switch module Kt connects temperature-control circuit automatically, temperature control automatic switch module Kt control temperature control circuit, the phase-changing energy storage material energising of the preheating state in the register 3 now in temperature-control circuit is started working, to the lithium battery evolution of heat, thus lithium battery ambient temperature is raised, its power is the first Endothermic power;
When temperature detecting module Rt detects the temperature of lithium battery lower than the second low temperature threshold 0 DEG C, temperature control automatic switch module Kt control temperature control circuit, the phase-changing energy storage material energising of the preheating state in the register 3 now in temperature-control circuit is started working, to the lithium battery evolution of heat, thus lithium battery ambient temperature is raised, its power is the second Endothermic power, and this second Endothermic power is greater than the first Endothermic power.
When temperature detecting module Rt detects that lithium battery ambient temperature is between 5 DEG C to 30 DEG C, temperature control automatic switch module Kt break-off signal control circuit, the phase-changing energy storage material now in register 3 does not work.So, even if lithium battery ambient temperature remains between 5 DEG C to 30 DEG C.When user does not need serviceability temperature regulatory function, close the manual master switch SW on insulation crust 1 lid, temperature-control circuit is quit work, now LED light is extinguished.
7th embodiment
In the 7th embodiment, lithium-ion battery heat insulation device, comprise the insulation crust 1 for placing lithium battery, the incubation chamber 2 arranged in insulation crust 1, be placed on lithium battery in incubation chamber 2 and register 3, in this insulation crust 1, be also provided with temperature-control circuit, this temperature-control circuit is by described lithium battery power supply and for automatically controlling described lithium battery ambient temperature.
The box body playing protection supporting role that described insulation crust 1 is formed for insulating material, preferably, this cell material be there is good effect of heat insulation, there is higher-strength, the material with good insulating performance, such as, plastics, plastic cement, resin etc.Described box body/insulation booth 1 inside is also provided with heat insulation box 2 again, and described temperature-adjusting device 3 is arranged on the inner surface of described heat insulation box 2 box body.
Described temperature-control circuit comprises temperature detecting module Rt, temperature control automatic switch module Kt and register R, and described temperature detecting module Rt is connected with described temperature control automatic switch module Kt, and described temperature control automatic switch module Kt connects with described register R.
Described temperature-control circuit also comprises series connection manual master switch SW in circuit and is used to indicate the indicator light 6 of circuit working state.Described indicator light can be LED light, or also can be the indicator light of other kinds.
The protective circuit plate 5 of described temperature-control circuit and lithium battery integrates, and described protective circuit plate 5 is placed on the battery core 4 of lithium battery.
Described insulation booth 1 lid is provided with the through hole passed for manual master switch SW, indicator light 6 and power supply output line 7.
Described register 3 is the carbon fibre heating cloth, resistance wire etc. that can generate heat.Lithium-ion battery heat insulation device in this embodiment is applicable in the low temperature environment only needing to generate heat, such as severe cold area.
The using method of the lithium-ion battery heat insulation device of the embodiment of the present invention is: when needs use lithium battery or lithium battery group at low ambient temperatures, first the manual master switch SW on insulation booth 1 lid is opened, temperature-control circuit is started working, and now LED light is shinny; Then set the temperature limit point of temperature control automatic switch module Kt, as being set to 5 DEG C, namely temperature control automatic switch module Kt is when temperature is higher than 5 DEG C, automatic break-off signal control circuit, when temperature is lower than 5 DEG C, automatically connects temperature-control circuit; When temperature detecting module Rt detects lithium battery ambient temperature lower than 5 DEG C, temperature control automatic switch module Kt connects temperature-control circuit, carbon fibre heating cloth now in register or resistance wire heating power, releases heat, thus lithium battery ambient temperature is raised, when temperature detecting module Rt detects lithium battery ambient temperature higher than 5 DEG C, temperature control automatic switch module Kt break-off signal control circuit, now carbon fibre heating cloth 3 or resistance wire 3 stop heating.So, even if lithium battery ambient temperature remains at the working temperature higher than 5 DEG C.
8th embodiment
In the 8th embodiment, lithium-ion battery heat insulation device, comprise the insulation crust 1 for placing lithium battery, the incubation chamber 2 arranged in insulation crust 1, be placed on lithium battery in incubation chamber 2 and register 3, in this insulation crust 1, be also provided with temperature-control circuit, this temperature-control circuit is by described lithium battery power supply and for automatically controlling described lithium battery ambient temperature.
The box body playing protection supporting role that described insulation crust 1 is formed for insulating material, preferably, this cell material be there is good effect of heat insulation, there is higher-strength, the material with good insulating performance, such as, plastics, plastic cement, resin etc.Described box body/insulation booth 1 inside is also provided with heat insulation box 2 again, and described temperature-adjusting device 3 is arranged on the inner surface of described heat insulation box 2 box body.
Described temperature-control circuit comprises temperature detecting module Rt, temperature control automatic switch module Kt and register R, and described temperature detecting module Rt is connected with described temperature control automatic switch module Kt, and described temperature control automatic switch module Kt connects with described register R.
Described temperature-control circuit also comprises series connection manual master switch SW in circuit and is used to indicate the indicator light 6 of circuit working state.Described indicator light can be LED light, or also can be the indicator light of other kinds.
The protective circuit plate 5 of described temperature-control circuit and lithium battery integrates, and described protective circuit plate 5 is placed on the battery core 4 of lithium battery.
Described insulation booth 1 lid is provided with the through hole passed for manual master switch SW, indicator light 6 and power supply output line 7.
Described register 3 is fan, or only needs the phase-changing energy storage material of the pre-cold conditions of absorbing heat.Lithium-ion battery heat insulation device in this embodiment is applicable in the hot environment only needing to freeze.
The using method of the lithium-ion battery heat insulation device of the embodiment of the present invention is: when needs use lithium battery or lithium battery group in high temperature environments, first the manual master switch SW on insulation booth 1 lid is opened, temperature-control circuit is started working, and now LED light is shinny; Then set the temperature limit point of temperature control automatic switch module Kt, as being set to 30 DEG C, namely temperature control automatic switch module Kt is when temperature is lower than 30 DEG C, automatic break-off signal control circuit, when temperature is higher than 30 DEG C, automatically connects temperature-control circuit;
When temperature detecting module Rt detects lithium battery ambient temperature higher than 30 DEG C, temperature control automatic switch module Kt connects temperature-control circuit, and now fan 3 is energized work, thus lithium battery ambient temperature is reduced; When temperature detecting module Rt detects lithium battery ambient temperature lower than 30 DEG C, temperature control automatic switch module Kt break-off signal control circuit, now fan 3 quits work.So, even if lithium battery ambient temperature remains in the operational environment lower than 30 DEG C.
The invention solves existing lithium battery seriously by the problem of environment for use temperature limitation, common lithium battery can not only normally be used at normal temperatures, can normally use equally in extremely cold environment, the life-span of lithium battery can also be postponed, have simultaneously structure simple, be easy to manufacture, the easy to use and advantage that adapted to.
Claims (4)
1. a lithium-ion battery heat insulation device, it is characterized in that: comprise the insulation booth shell for placing lithium battery, incubation chamber is provided with in insulation crust, lithium battery is arranged in incubation chamber, is also provided with by described lithium battery power supply and temperature-control circuit for automatically controlling described lithium battery ambient temperature in insulation crust and incubation chamber;
Described temperature-control circuit at least comprises temperature detecting module, temperature control automatic switch module and register, described temperature detecting module and described temperature control automatic switch model calling, and described temperature control automatic switch module is connected with described register;
Described register is the phase-changing energy storage material of multiple individual packages, and the phase-changing energy storage material of described multiple individual packages is separately positioned on around lithium battery, and wherein a part is set to the pre-cold conditions preparing heat absorption, absorbs heat when being energized; A part is set to the preheating state preparing heating, the evolution of heat when being energized, and phase-changing energy storage material is paraffin, is added with metal dust or carbon fiber in paraffin;
The protective circuit plate of described temperature-control circuit and lithium battery integrates, and described protective circuit plate is placed on the battery core of lithium battery.
2. lithium-ion battery heat insulation device according to claim 1, is characterized in that: the material of described insulation booth shell is plastic cement, plastics or resin.
3. lithium-ion battery heat insulation device according to claim 1, is characterized in that: described temperature-control circuit also comprises series connection manual master switch in circuit and is used to indicate the indicator light of circuit working state.
4. lithium-ion battery heat insulation device according to claim 3, is characterized in that: described insulation booth lid is provided with the through hole passed for manual master switch, indicator light and power supply output line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008481.1A CN102522609B (en) | 2012-01-11 | 2012-01-11 | Lithium-ion battery heat insulation device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008481.1A CN102522609B (en) | 2012-01-11 | 2012-01-11 | Lithium-ion battery heat insulation device and control method thereof |
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| DE102014205133A1 (en) * | 2014-03-19 | 2015-09-24 | Robert Bosch Gmbh | Battery pack with a number of battery modules |
| CN103956923A (en) * | 2014-04-30 | 2014-07-30 | 深圳市邦彦信息技术有限公司 | High-performance switching-mode power supply device and control method thereof |
| CN105744807B (en) * | 2016-04-18 | 2019-03-15 | 上海创功通讯技术有限公司 | Electronic equipment and its heat dissipating method |
| CN105977574A (en) * | 2016-06-30 | 2016-09-28 | 深圳市元征科技股份有限公司 | Battery temperature control method and system |
| CN106150663A (en) * | 2016-06-30 | 2016-11-23 | 深圳市元征科技股份有限公司 | The control method of engine temperature and system |
| CN107870640A (en) * | 2016-09-26 | 2018-04-03 | 大连旭计器有限公司 | Cryogenic temperature controller temperature limit detection means and detection method |
| CN108574128A (en) * | 2017-03-08 | 2018-09-25 | 北京小米移动软件有限公司 | battery temperature adjusting method, device and battery |
| CN107426951B (en) * | 2017-07-26 | 2019-12-03 | 合肥联宝信息技术有限公司 | Heat exchange mechanisms and electronic equipment |
| CN108232362B (en) * | 2017-12-29 | 2019-12-31 | 江苏大学 | Power battery pack management system based on phase change energy storage and air coupling and control method |
| CN108539326A (en) * | 2018-03-16 | 2018-09-14 | 清远市巨劲科技有限公司 | One kind being used for unmanned plane power battery winter job attemperator |
| CN109802194B (en) * | 2019-01-17 | 2022-02-01 | 重庆大学 | Battery pack based on Peltier effect and heat pipe cooling and heat management method thereof |
| CN112002839A (en) * | 2019-05-27 | 2020-11-27 | 广州雷利诺车业有限公司 | Electric motorcycle and control method thereof |
| CN113328154A (en) * | 2020-02-28 | 2021-08-31 | 北京小米移动软件有限公司 | Lithium battery, mobile terminal and temperature control method of lithium battery |
| CN114023994B (en) * | 2021-11-09 | 2023-07-07 | 天津大学 | Concatenation formula fuel cell phase transition insulation can |
| CN114520388B (en) * | 2022-02-08 | 2023-12-26 | 浙江荣泰电工器材股份有限公司 | Mica insulation box of five ternary lithium battery modules for new energy automobile |
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