CN100495280C - Temperature control device of dynamic lithium battery set - Google Patents
Temperature control device of dynamic lithium battery set Download PDFInfo
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- CN100495280C CN100495280C CN 200710047693 CN200710047693A CN100495280C CN 100495280 C CN100495280 C CN 100495280C CN 200710047693 CN200710047693 CN 200710047693 CN 200710047693 A CN200710047693 A CN 200710047693A CN 100495280 C CN100495280 C CN 100495280C
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Abstract
The present invention relates to a temperature control device for power lithium-battery group which belongs to the technology field of vehicle; the present invention comprises a grid frame of the lithium-power-battery group consisting of independent cooling channels; and the assembly structure of the grid frame comprises cell grids of lithium-power battery and grids of the independent cooling channel, and are connected in row; the external drive part and the channel part of the cooling medium are arranged between a vehicle air-conditioning system and the assembly structure of the grid frame, and are connected with two ends of the cooling independent cooling channels; the temperature collecting part in the temperature collecting, and control system is arranged in the assembly structure, while the temperature is independently arranged outside the assembly structure; the present invention can be used to solves the problem of variable temperature during the using of power lithium-battery group, and thereby improving the working safety as well as recycling life of the lithium-battery group.
Description
Technical field
The present invention relates to the control device in a kind of vehicle technology field, specifically, is a kind of temperature control device of dynamic lithium battery set.
Background technology
Lithium battery (comprising various positive electrodes such as cobalt acid lithium, LiMn2O4, LiFePO 4 etc.) is owing to its energy density height, specific power are big, have extended cycle life, make widespread use aspect various portable electronic consumer devices such as notebook computer, mobile phone, MP3 or the like.Improve the security of lithium dynamical battery, all be all to be to analyze mainly at present from the internal material performance of battery, such as: 1) in electrolytic solution, use the organic solvent that molten point is low, boiling point is high, decomposition voltage is high, make inflammable organic electrolyte become difficult combustion or non-flammable electrolytic solution by adding flame-retardant additives, but just result of study sees that the galvanochemistry instability of adjuvant or its disadvantageous physicochemical property also can cause certain negative effect to battery performance at present; 2) from positive electrode, the energy density of positive electrode and the raising of power density also are the main causes that causes the lithium-ion-power cell potential safety hazard.But for lithium power battery pack, lost efficacy for the Yin Wendu of large-capacity battery pack, having greatly, reason is because the heat build-up between battery assembly module causes.Because in long-time discharge or large current density electric process, inside battery (equivalent internal resistance of battery) can produce a large amount of heats.If this heat can not in time distribute, will between battery unit, accumulate, thereby influence the inside operate as normal of battery electrode material and electrolytic solution, further increase parameters (overrun) such as equivalent internal resistance, thereby enter a vicious cycle, cause the inefficacy in advance of lithium battery, reduction of service life, the following even generation security incident of extreme case.
Find through literature search, proposed to use the device that air cooling system cools off stacks of cells in the United States Patent (USP) 5524681 " Apparatus and methodfor draining and filling a battery cooling system " (principle and the device of a kind of pump drainage wind-powered electricity generation pond cooling system) prior art.This patent has proposed to adopt air draft and air intake two kinds of duties that the heat of battery unit is distributed, and carries out break-make by micro controller and control to finish and configure work schedule.But for battery assembly module how to arrange and battery unit between independently heat dissipation channel there is no and mention, and also do not comprise the type of cooling that adopts water-cooled.Also find in the retrieval, Siddique A.Khateeb etc. deliver " Thermal management of Li-ion battery with phase changematerial for electric scooters:experimental validation " (" power supply " " experimental verification of the automobile-used lithium battery group of electric return board phase-change material temperature control ") at " Journal of Power Sources " (2005 142 volume 345-353), the scheme of phase-change material control battery cell temperature is filled in proposition between battery unit, the ventilation and heat situation of cylindrical battery unit group has also been described simultaneously, its method is to adopt novel phase-change material to absorb and discharge the heat of battery unit, keeps the temperature-resistant or variation range of integral battery door unit less.Also have simultaneously mentionedly for the ventilation and heat of electric battery, but ventilation and heat utilizes the slit between battery unit to flow in the scheme, and area of dissipation can not guarantee.
Summary of the invention
The objective of the invention is at above shortcomings in the prior art, a kind of temperature control device of dynamic lithium battery set is provided, make it adopt air-cooled and two kinds of radiating modes of water-cooled to control temperature in the use of lithium battery group, with the security that improves the work of lithium battery group and recycle the life-span.
The present invention is achieved by the following technical solutions, the present invention includes following three parts: comprise the lithium power battery pack grid frame package assembly of independent heat dissipation channel formation, external drive and channel part, temperature acquisition and the control system of heat eliminating medium.The described lithium power battery pack grid frame package assembly that comprises independent heat dissipation channel formation comprises lithium dynamical battery electricity core grid and independent heat dissipation channel grid, lithium dynamical battery electricity core grid is connected side by side with independent heat dissipation channel grid, two kinds of grid spaces spatially, heat dissipation channel is in the two ends parallel connection.The external drive of heat eliminating medium and channel part are arranged on vehicle air conditioner and comprise between the lithium power battery pack grid frame package assembly of independent heat dissipation channel formation, and are connected with the two ends of the lithium power battery pack grid frame package assembly heat dissipation channel that comprises independent heat dissipation channel formation.Temperature acquisition in temperature acquisition and the control system partly is positioned at and comprises the lithium power battery pack grid frame package assembly that independent heat dissipation channel constitutes, and the temperature control part branch independently is arranged on and comprises the lithium power battery pack grid frame package assembly outside that independent heat dissipation channel constitutes.
Described lattice structure is made by metal or plastic plate, and by window and cavity are set on sheet material, and the area in window and cavity should be greater than 60% of sheet material area, so that electric core unit can fully contact with heat eliminating medium.Described grid, it is highly inconsistent, but width is identical with the degree of depth.If grid height is lower than single electric core height, then do not lay the aluminium plastic membrane electrical core of power battery, just as independent heat dissipation channel grid; If grid height more than or equal to single electric core height, is then laid the aluminium plastic membrane electrical core of power battery, as lithium dynamical battery electricity core grid.After aluminium plastic membrane electrical core of power battery unit was installed, lithium dynamical battery electricity core grid and heat dissipating grid were evenly to distribute.
Among the present invention, heat dissipation channel is in the two ends parallel connection, and its radiating mode comprises air-cooled and the water-cooled dual mode.Windowing not in the water-cooling pattern grid, and make waterproof sealing.The forced heat radiation medium flows through from heat dissipation channel, and mainly based on heat loss through conduction, and non-traditional air-cooled heat loss through convection.For the occasion of chilled water medium,, directly form cooling water channel with the wall of the heat dissipation channel hole that can not fan the air.Simultaneously, the Free up Memory when heat dissipation channel also can be used as lithium dynamical battery short circuit expansion is stopped the lithium battery core unit and can't be discharged violent burning and the blast that forms because of energy in extraordinary circumstances.
The size of what and each heat dissipation channel sectional area of the concrete quantity of described heat dissipation channel, what should calculate according to lithium power battery pack electricity core unit quantity and each electrical core of power battery cell size, but to consider that also the volume of total electric battery and force ventilated amount of cooling water determine, each minimum electric core unit generally will have three main outside surfaces to contact with independent heat dissipation channel, and minimum electric core unit can only have a face to contact with other electric core units, thereby guarantees minimizing of heat radiation thermal resistance.Less or group quantity smaller applications occasion (as electric golf car, electric bicycle) can only keep certain space with insulating support between the electric core unit of lithium for lithium battery group electricity core unit, forms tangible independent heat dissipation channel and gets final product.
The external drive of heat eliminating medium and channel part are divided into two kinds of air cooling way and water-cooling patterns.
If employing is air-cooled, comprise the cooling air intake, cooling duct, cooling air connects bulged tube, Air Blast fan, air ejector fan.Connected mode: the cooling air intake of air-conditioning system links to each other with cooling duct one end, the other end is connected bulged tube and links to each other with cooling air, Air Blast fan is relative with the bulged tube outlet, and the Air Blast fan outlet links to each other with independent heat dissipation channel, connects air ejector fan at the heat dissipation channel opposite side.The air-conditioning system that automobile itself is own, heat eliminating medium (cold wind or warm braw) has the air outlet place of air-conditioning system to connect into the cooling air inlet port of electric battery by pipeline, cooling duct, the cooling air connecting pipe, flow into each Air Blast fan, after the fan pressurization, enter independent heat dissipation channel, through discharging through air ejector fan then.Coolant guiding channel is unsuitable long, and each little heat dissipation channel partly should be in parallel, makes that the battery battery core cell temperature is even.
If adopt water-cooled, then should be heat exchanger, cooling water outlet pipe, water valve, water pump, return pipe mutually.The water delivering orifice of heat exchanger links to each other with cooling water outlet pipe one end, water valve is installed in the middle of the outlet conduit, the rising pipe other end links to each other with the inlet of each water pump, exit of pump links to each other with independent heat dissipation channel one end, the heat dissipation channel other end links to each other with return pipe one end, the water inlet of another termination heat exchanger of return pipe.Its working method is as follows: water is through heat exchanger, rising pipe, and water valve through the water pump pressurization, enters independently heat dissipation channel then, absorbs the water behind the heat, flows back to the upper end of refrigeratory through return pipe.Water inlet and water delivering orifice can be in the same sides of electric battery.Coolant guiding channel is unsuitable long, and each little heat dissipation channel partly should be in parallel, makes that the battery battery core cell temperature is even.
Described battery temperature collection and control system comprise each temperature sensor, temperature control and fender, control execution switch, connection in series-parallel and external control interface and isolating switch.Switch, connection in series-parallel and external control interface are carried out in temperature control and fender, control and isolating switch constitutes the temperature control part branch.Temperature sensor (being the temperature acquisition part) is positioned at lithium dynamical battery electricity core grid, and reliably contacts with electric core unit.The signal of temperature sensor is connected to each temperature control and fender, and temperature control and fender are handled the temperature variable that collects, and determine corresponding control strategy, and the output control signal, as the switch and the tach signal of blower fan, the tach signal of water pump etc.Control is carried out signal and is outputed to control execution switch again.The part control signal inserts connection in series-parallel and external control interface.Final each control information is connected with host computer through the corresponding interface of connection in series-parallel and external control interface, and the control isolating switch is finished protection.
For the adequacy that guarantees to sample, what of battery unit temperature control and fender can increase according to, and are coupled transmission information and control radiator fan switch or water pump by photoelectricity.
Applicable object of the present invention is the lithium cell power battery pack by the soft shell aluminium plastic membrane.Lithium power battery pack is to be constituted by the electric core unit of the lithium dynamical battery of some.For duricrust batteries such as box hat or plastic packagings, not only surface area is little, and the property material for battery shell thermal resistance is bigger, so total thermal resistance is bigger.Because the present invention is based on the path of battery surface as heat loss through conduction, the cylindrical battery cells less for surface area then is not well suited for.The electricity core unit generally with the thin square lithium dynamical battery of the aluminium plastic membrane of soft shell for well because owing to its surface area is bigger, thermal resistance is lower, radiating effect is better.Too big electric core unit capacity often causes electric core temperature inside higher, and too little electric core might make that the coupling part is complicated and reduce reliability, electric core monomer (as 100AH) for surpassing 10AH should make electric core unit flattening as far as possible, and the contact area of heat dissipation channel wants big simultaneously.Less electric core unit should guarantee enough coupling part spaces, avoids coupling part the situations such as rosin joint, sealing-off and short circuit that cause because of extruding to occur.
Compared with prior art, beneficial effect of the present invention is: the temperature in the time of 1) can controlling lithium battery work with air blast cooling or water-cooled by independent heat dissipation channel, improve the functional reliability of lithium battery, avoid because the electric battery local temperature is overheated, cause the thermal failure of lithium power battery pack, and prolong the serviceable life of battery.From embodiment, can be with owing to the lost of life that thermal unbalance caused reduces more than 30%.2) can monitor the working temperature point of lithium battery at any time, fault is warm in nature to be spent when high when lithium battery is in, and can send fault-signal to host computer, thereby cut off battery and main circuit path, protects the general safety of lithium power battery pack.3) temperature control and over-charging of battery are crossed and are put protection and can gather together, and have both improved the integrated level of lithium power battery pack, can reduce the cost of dynamic lithium battery group again.4) air-conditioning system of utilizing automobile itself to have provides the cooling air of Controllable Temperature, and except that can be used for reducing the battery cell temperature, when battery cell temperature was lower, the warm braw that can utilize air-conditioning system to provide came the heating battery unit, improves the battery reliability.
Description of drawings
Fig. 1 is a general structure synoptic diagram of the present invention;
Fig. 2 is a lithium dynamical battery independence heat dissipation channel lattice structure synoptic diagram;
Fig. 3 is a power lithium cell electric core unit simplified structure grid synoptic diagram;
Fig. 4 is the water-cooling pattern schematic top plan view;
Fig. 5 is the air cooling way schematic top plan view;
Fig. 6 is battery temperature collection and control system synoptic diagram (omitting electric core unit);
Among the figure: comprise the lithium battery group electricity core unit group grid shelf structure 1 that independent heat dissipation channel constitutes; the external drive of heat eliminating medium and passage 2; temperature acquisition and control system 3; lithium dynamical battery electricity core grid 11; independent heat dissipation channel grid 12, supporting construction 13 between electric core; water heat exchanger 20; return pipe 28; cooling water outlet pipe 29; water valve 25; water pump 27; cooling air intake 21; cooling duct 22; cooling air connecting pipe 23; Air Blast fan 24; air ejector fan 26; temperature sensor 31; temperature control and fender 32; switch 33 is carried out in control; connection in series-parallel and external control interface 34; isolating switch 35.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment has provided detailed embodiment and process being to implement under the prerequisite with the technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment is made of following three parts: comprise the lithium battery group electricity core unit group grid shelf structure 1 that independent heat dissipation channel constitutes, the external drive of heat eliminating medium and passage 2, temperature acquisition and control system 3.Wherein: the lithium power battery pack grid frame package assembly 1 that comprises independent heat dissipation channel formation comprises lithium dynamical battery electricity core grid 11 and independent heat dissipation channel grid 12, lithium dynamical battery electricity core grid 11 is connected side by side with independent heat dissipation channel grid 12, two kinds of grid spaces spatially, heat dissipation channel is in the two ends parallel connection.The external drive of heat eliminating medium and channel part 2 are arranged on vehicle air conditioner and comprise between the lithium power battery pack grid frame package assembly 1 of independent heat dissipation channel formation, and are connected with the two ends of lithium power battery pack grid frame package assembly 1 heat dissipation channel that comprises independent heat dissipation channel formation.Temperature acquisition in temperature acquisition and the control system 3 partly is positioned at and comprises the lithium power battery pack grid frame package assembly 1 that independent heat dissipation channel constitutes, and temperature control part divides 3 independently to be arranged on lithium power battery pack grid frame package assembly 1 outside that comprises independent heat dissipation channel formation.
1. comprise the lithium battery group electricity core unit group grid shelf structure 1 that independent heat dissipation channel constitutes, as shown in Figure 1, 2, comprise lithium dynamical battery electricity core grid 11, independent heat dissipation channel grid 12.Battery battery core grid 11 and independent heat dissipation channel grid 12 should evenly distribute in the space, and should guarantee the contact area of heat dissipation channel and electrical core of power battery.Lattice structure is made by metal or plastic plate, and by window and cavity are set on sheet material, and the area in window and cavity should be greater than 60% of sheet material area, so that electric core unit can fully contact with heat eliminating medium.Described grid, it is highly inconsistent, but width is identical with the degree of depth.If grid height is lower than single electric core height, then do not lay the aluminium plastic membrane electrical core of power battery, just as independent heat dissipation channel grid; If grid height more than or equal to single electric core height, is then laid the aluminium plastic membrane electrical core of power battery, as lithium dynamical battery electricity core grid.After aluminium plastic membrane electrical core of power battery unit was installed, lithium dynamical battery electricity core grid and heat dissipating grid were evenly to distribute on front elevation.
Heat dissipation channel has air-cooled and two kinds of radiating modes of water-cooled in the two ends parallel connection.Windowing not in the water-cooling pattern grid, and make waterproof sealing.Lithium dynamical battery electricity core grid 11 and independent heat dissipation channel grid 12 are side by side.Heat dissipation channel grid 12 comprises air-cooled and the water-cooled dual mode in the parallel connection of the two ends of passage.For lithium power battery pack than low capacity, as shown in Figure 3, can the electricity consumption core between the supporting construction 13 simple heat dissipation channels 12 of forming.
2. the external drive of heat eliminating medium and channel part 2: be divided into water-cooled and air-cooled dual mode.For water-cooling pattern.
As shown in Figure 4, during water-cooling pattern, comprise water heat exchanger 20, cooling water outlet pipe 29, water valve 25 water pumps 27, return pipe 28.Connected mode: the water delivering orifice of heat exchanger 20 links to each other with cooling water outlet pipe 29 1 ends, water valve 25 is installed in the middle of the outlet conduit, the rising pipe other end links to each other with the inlet of each water pump 27, exit of pump links to each other with independent heat dissipation channel one end, the heat dissipation channel other end links to each other with return pipe one end, the water inlet of another termination heat exchanger of return pipe.Chilled water is through heat exchanger 20, rising pipe 29, and water valve 25 water pumps 27 flow through each independent heat dissipation channel 12 then, import return pipe 29 then, finally get back to heat exchanger.
As shown in Figure 5, during air cooling way, comprise cooling air intake 21, cooling duct 22, cooling air connects bulged tube 23, Air Blast fan 24, air ejector fan 26, connected mode: the cooling air intake 21 of air-conditioning system links to each other with cooling duct 22 1 ends, the other end is connected bulged tube 23 and links to each other with cooling air, Air Blast fan 24 is relative with the bulged tube outlet, and fan 24 outlets link to each other with independent heat dissipation channel 11, connect air ejector fan 26 at the heat dissipation channel opposite side.The cooling air of air-conditioning system is through cooling air intake 21, cooling duct 22, and cooling air connecting pipe 23 flows into each Air Blast fan 24, enters independent heat dissipation channel 12 after the fan pressurization, discharges through air ejector fan 26 then.
3. temperature acquisition and control system part 3: as shown in Figure 6, comprise each temperature sensor 31, temperature control and fender 32, and control execution switch 33, connection in series-parallel and external control interface 34 and isolating switch 35.Temperature sensor 31 is positioned at lithium dynamical battery electricity core grid 11, and reliably contacts with electric core unit.The signal of temperature sensor 31 is connected to each temperature control and fender 32, and temperature control and fender are handled the temperature variable that collects; determine corresponding control strategy; and the output control signal, as the switch and the tach signal of blower fan, the tach signal of water pump etc.Control is carried out signal and is being outputed to control execution switch 33.The part control signal inserts connection in series-parallel and external control interface 34.Final each control information is connected with host computer through the corresponding interface of connection in series-parallel and external control interface 34, and control isolating switch 35 is finished protection.
During practical application; generally be one group and determine a control protector with 8-10 unit; each control protector is powered by this group lithium dynamical battery unit; on circuit, isolate fully with other groups; and by photoelectricity coupled circuit transmitting control information; and carry out switch by control and carry out the break-make and the adjusting of heat eliminating medium, can accomplish that like this cost is lower and safe and reliable.
Temperature sensor is installed in the lithium dynamical battery electricity core grid 11, should avoid placing in the heat dissipation channel 12, and spatially evenly distribute.And according to the volume of battery unit with pile up the number of plies, determine the position and the number of temperature sensor 31.Its principle is that temperature sensor 31 places between the electric core unit, is close to electric core unit.To the whole isolating switch 35 (or contactor) that uses protection of lithium battery group, the ultrafast terminals of the general and battery unit of disconnected device or the like that melt are in installation site, the same side.Each temperature control and the photoelectricity communication signal of fender 32 and the control signal and the host computer of cooling fan (or cooling-water pump) carry out communication.During use, by the temperature of temperature sensor 31 each check point of detection, when temperature rises to the setting chilling temperature, force cooling control, switch 33 is carried out in control, opens various control strategies such as cooling fan (or cooling-water pump) control can be adopted PID, the ring control that stagnates.When temperature rises to alarming value, cut off lithium battery group power circuit breaker 35 or output fault-signal.Keep in touch with host computer in the The whole control.
Application Example:
Certain model motor vehicle driven by mixed power, its electric battery adopts lithium manganate battery unit, totally 180 unit, each unit 10AH, 3.6V form 110V, 60AH.The temperature control and the guard method of initial battery are: be separated with the slit of 2-4mm between battery unit with the insulation adhesive tape, adopt outside exhausting, the temperature-controlled process of break-make of in the ranks having a rest of going forward side by side, unlatching radiator fan when temperature is higher than setting value.But through after nearly 3 months use, because the slit is less between the battery unit, can not form good air channel, the heat that lithium battery produces when big current work can't discharge, cause local temperature too high, make part battery unit Yin Gaowen and lost efficacy or performance descends, make the battery consistency rapid deterioration.In the temperature of stacks of cells peripheral surface about about 40 ℃, then can be high in the temperature of inner lithium battery electric core to nearly 60 ℃.And when series battery was worked, the parameter difference of battery unit (mainly being parameters such as internal resistance) can make battery unit form chain reaction, made the bigger battery of otherness damage in advance.In concrete manifestation, then be that the part battery unit is reaching (about more than 1000 times) number of times in normal serviceable life far away, only use about 50 times with regard to phenomenons such as the reduction of generation capacity, short circuit, expansions, cause the whole group of electric battery to scrap, lose huge.
Think that after analyzing and researching the problem that above fault takes place is the radiating mode of electric battery.Adopt independent heat dissipation channel shown in Figure 1,, install and put on the novel grid shelf structure that forms independent heat dissipation channel former lithium power electricity core 10AH unit.The front and back of electric battery have been installed 8 aerofoil fans altogether, 4 rows 4 take out, and can according to circumstances carry out the adjusting of air quantity and blast, about more than 20 temperature sensors have been arranged, above measure has enlarged the heat-sinking capability of lithium battery core unit, and the monitoring by check point and to the control of heat eliminating medium (air quantity in this example), make each cell operation temperature of battery remain unanimity, the temperature difference of its each lithium dynamical battery unit is no more than 5 ℃ through measurement.
Through the vehicle lithium power battery pack after improving, detect in use and the sampling of national 863 battery inspection centers through 1 year, the result shows that battery capacity still can remain on more than 95%, and all by every safety detection, reaches the design result of use.
Claims (6)
1. temperature control device of dynamic lithium battery set, comprise: comprise the lithium power battery pack grid frame package assembly that independent heat dissipation channel constitutes, the external drive of heat eliminating medium and channel part, temperature acquisition and control system, it is characterized in that: the described lithium power battery pack grid frame package assembly that comprises independent heat dissipation channel formation comprises lithium dynamical battery electricity core grid and independent heat dissipation channel grid, lithium dynamical battery electricity core grid is connected side by side with independent heat dissipation channel grid, two kinds of grid spaces spatially, independent heat dissipation channel is in the two ends parallel connection, the external drive of heat eliminating medium and channel part are arranged on vehicle air conditioner and comprise between the lithium power battery pack grid frame package assembly of independent heat dissipation channel formation, and be connected with the two ends of the lithium power battery pack grid frame package assembly heat dissipation channel that comprises independent heat dissipation channel formation, temperature acquisition in temperature acquisition and the control system partly is positioned at and comprises the lithium power battery pack grid frame package assembly that independent heat dissipation channel constitutes, and the temperature control part branch independently is arranged on and comprises the lithium power battery pack grid frame package assembly outside that independent heat dissipation channel constitutes.
2. temperature control device of dynamic lithium battery set according to claim 1 is characterized in that, described grid, and it is highly inconsistent, and width is identical with the degree of depth.
3. temperature control device of dynamic lithium battery set according to claim 2, it is characterized in that, described grid, if it highly is lower than single electric core height, then only as independent heat dissipation channel grid, if its height is then laid the aluminium plastic membrane electrical core of power battery more than or equal to single electric core height, as lithium dynamical battery electricity core grid.
4. temperature control device of dynamic lithium battery set according to claim 1, it is characterized in that, the external drive and the channel part of described heat eliminating medium comprise: cooling air intake, cooling duct, cooling air connect bulged tube, Air Blast fan, air ejector fan, wherein: the cooling air intake links to each other with cooling duct one end, the other end of cooling duct is connected bulged tube and links to each other with cooling air, Air Blast fan connects bulged tube with cooling air and exports relative, the Air Blast fan outlet links to each other with independent heat dissipation channel, connects air ejector fan at independent heat dissipation channel opposite side.
5. temperature control device of dynamic lithium battery set according to claim 1, it is characterized in that, the external drive and the channel part of described heat eliminating medium comprise: heat exchanger, cooling water outlet pipe, water valve, water pump, return pipe, the water delivering orifice of heat exchanger links to each other with cooling water outlet pipe one end, water valve is installed in the middle of the cooling water outlet pipe, the rising pipe other end links to each other with the inlet of each water pump, exit of pump links to each other with independent heat dissipation channel one end, the independent heat dissipation channel other end links to each other with return pipe one end, the water inlet of another termination heat exchanger of return pipe.
6. temperature control device of dynamic lithium battery set according to claim 1 is characterized in that, described battery battery core grid and independent heat dissipation channel grid evenly distribute in the space.
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| CN112736320B (en) * | 2020-12-28 | 2022-05-10 | 东软睿驰汽车技术（沈阳）有限公司 | Method, device and equipment for determining cooling parameters of cooling system |
| CN113727579A (en) * | 2021-07-26 | 2021-11-30 | 珠海格力电器股份有限公司 | Heat dissipation system and heat dissipation method for fuel cell voltage converter |
| CN113793999B (en) * | 2021-08-24 | 2023-04-07 | 国网福建省电力有限公司 | Energy storage container thermal management system |
| CN114865154A (en) * | 2022-06-08 | 2022-08-05 | 翠鸟新能源科技(南通)有限公司 | Battery module |
| CN116154358A (en) * | 2023-04-17 | 2023-05-23 | 宁德时代新能源科技股份有限公司 | Battery and electric equipment |
-
2007
- 2007-11-01 CN CN 200710047693 patent/CN100495280C/en not_active Expired - Fee Related
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| CN101145059A (en) | 2008-03-19 |
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