CN102255115B - Heat management system and method for battery pack of electric automobile - Google Patents
Heat management system and method for battery pack of electric automobile Download PDFInfo
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- CN102255115B CN102255115B CN201110158486.8A CN201110158486A CN102255115B CN 102255115 B CN102255115 B CN 102255115B CN 201110158486 A CN201110158486 A CN 201110158486A CN 102255115 B CN102255115 B CN 102255115B
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 109
- 239000011449 brick Substances 0.000 claims description 98
- 238000007726 management method Methods 0.000 claims description 76
- 239000011324 bead Substances 0.000 claims description 36
- 230000005855 radiation Effects 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a heat management system and method for a battery pack of an electric automobile, belonging to the field of heat management of a battery pack of an electric automobile. The system comprises a battery pack shell and a battery management system, wherein a T-shaped middle wind deflector is arranged inside the battery pack shell, is connected with one end of the battery pack shell and is used for partitioning the battery pack shell into two spaces; the two spaces are communicated with each other through a gap formed between the other end of the battery pack shell and the middle wind deflector; one end of the battery pack shell which is connected with the middle wind deflector is provided with a heat-radiating system and a heating system; the heat-radiating system comprises an air inlet system and an air outlet system; the air inlet system and the air outlet system are positioned on both sides of the middle wind deflector respectively, and are positioned outside the battery pack shell; and the heating system passes through the middle wind deflector and is arranged inside the battery pack shell. In the invention, the battery pack is subjected to heating and heat radiating through the air; and the heat management system has a simple structure, and is free from liquid leakage.
Description
Technical field
The present invention relates to batteries of electric automobile bag heat management field, particularly a kind of power brick heat management system of electric automobile and by this system, power brick is carried out the method for heat management.
Background technology
Energy crisis and ecological deterioration in recent years become the key factor of restriction global evolution, and the development and utilization of clean energy resource is the powerful measure that solves energy crisis and improve environment.Rechargeable battery, as a kind of important clean energy resource, has been used as power source and has been applied to electric automobile field.
At present, the rechargeable battery using as power source all cannot normally be worked under the environment of extreme low temperature (being less than-30 DEG C) and thermal extremes (being greater than 50 DEG C), causes the electric automobile taking it as energy source normally to work.Therefore, need to carry out heat management to the power brick of rechargeable battery, to ensure that power brick can normally work.At present, conventionally by fill circulation fluid in power brick, when power brick temperature is too low need to heat time, circulating to power brick by hot circulating solution inside and outside power brick heated, in the time that power brick excess Temperature need to be lowered the temperature, the circulation by cold circulation fluid inside and outside power brick is lowered the temperature to power brick.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem: the complicated and easily leakage of liquid liquid loop structure.
Summary of the invention
The object of the embodiment of the present invention is the defect for above-mentioned prior art, a kind of batteries of electric automobile bag heat management system and thermal management algorithm thereof are provided, by air as heat radiation, heat medium to power brick heat, radiating management, simply and not can there is leakage in described batteries of electric automobile bag heat management system structure.
The technical scheme that the present invention takes is to achieve these goals:
A kind of batteries of electric automobile bag heat management system, comprise battery involucrum, in described battery involucrum, be provided with multiple battery cells, described multiple battery cell is evenly arranged in described battery involucrum, described battery involucrum inside is provided with T-shape middle part deep bead, described middle part deep bead is connected with one end of described battery involucrum, described battery involucrum is separated into two spaces, described two spaces are communicated with the space that described middle part deep bead forms by the described battery involucrum other end, described battery involucrum is provided with cooling system and heating system with one end that described middle part deep bead is connected, described cooling system comprises gas handling system and gives vent to anger system, described gas handling system with described in the system of giving vent to anger lay respectively at the both sides of described middle part deep bead, and be positioned at described battery involucrum outside, described heating system is located at described battery involucrum inside through described middle part deep bead, described heat management system also comprises battery management system, be used for monitoring described power brick state and control described cooling system or described heating system open or close.
Particularly, described heating system comprises heating air duct, controls the electromagnetically operated valve of described heating air duct switch, ptc heater and add Hot-air fan, described heating air duct passes and is arranged on the deep bead of described middle part, described electromagnetically operated valve, described ptc heater and described in add Hot-air fan and be arranged in order and be arranged in described heating air duct, when described heating air duct is opened, form inner loop passage with described two spaces that are communicated with.
Particularly, described gas handling system comprises the first heat radiating air duct, supply fan and the first electromagnetically operated valve, the described system of giving vent to anger comprises the fan of giving vent to anger, the second heat radiating air duct and the second electromagnetically operated valve, described supply fan is located on described the first heat radiating air duct, the described fan of giving vent to anger is located on described the second heat radiating air duct, described the first heat radiating air duct and described the second heat radiating air duct are connected with described battery involucrum, described in described the first solenoid control, the first heat radiating air duct is communicated with or isolates with described battery involucrum, described in described the second solenoid control, the second heat radiating air duct is communicated with or isolates with described battery involucrum, when described the first heat radiating air duct is all communicated with described battery involucrum with described the second heat radiating air duct, form outer loop passage with described two spaces.
Further, described heat management system also comprises corresponding with deep bead T-shape position, described middle part, is located at the sidewall deep bead between described battery cell and described power brick shell side wall.
Another technical scheme that the present invention takes is:
A management method for batteries of electric automobile bag heat management system, described method comprises:
Described battery management system is monitored described power brick state;
In the time that described power brick state meets heating condition:
Described in described battery management system control, heating system is opened, described gas handling system and described in the system closing of giving vent to anger, described heating system is described power brick heating;
When being heated to described power brick state and not meeting heating condition, control described heating system and close, stop heating;
In the time that described power brick state meets radiating condition:
Described in described battery management system control gas handling system and described in the system of giving vent to anger open, described heating system is closed, and gives the heat radiation of described power brick;
When rejecting heat to described power brick state and not meeting radiating condition, control described gas handling system and described in the system closing of giving vent to anger, stop heat radiation.
Described in described battery management system control, heating system is opened, described gas handling system and described in the system closing of giving vent to anger, give described power brick heating, be specially:
Described in described battery management system control, in heating system, open for the electromagnetically operated valve of controlling heating air duct switch, the first electromagnetically operated valve in described gas handling system and described in second closed electromagnetic valve of giving vent to anger in system, connect inner loop passage, close outer loop passage, open simultaneously and add Hot-air fan;
After 2-8 minute, control ptc heater and open, give described power brick heating;
Described when being heated to described power brick state and not meeting heating condition, control described heating system and close, stop heating, be specially:
When being heated to described power brick state and not meeting heating condition, ptc heater and described closed electromagnetic valve described in described battery management system control, described ptc heater was closed after 2-8 minute, described in closing, added Hot-air fan.
Described in described battery management system control gas handling system and described in the system of giving vent to anger open, described heating system is closed, and gives the heat radiation of described power brick, is specially:
The first electromagnetically operated valve described in described battery management system control in gas handling system and described in second electromagnetically operated valve of giving vent to anger in system open, in described heating system for controlling the closed electromagnetic valve of heating air duct switch, be communicated with described outer loop passage, close described inner loop passage, open supply fan and the fan of giving vent to anger simultaneously, give described power brick heat radiation;
Described when rejecting heat to described power brick state and not meeting radiating condition, control described gas handling system and described in the system closing of giving vent to anger, stop heat radiation, be specially:
When rejecting heat to described power brick state and not meeting power brick radiating condition, control described the first electromagnetically operated valve and described the second closed electromagnetic valve, close described outer loop passage, stop heat radiation.
Described battery management system is monitored described power brick state and is specially described battery management system and monitors described power brick charging and discharging state and temperature.
Described heating condition is specially, described power brick in described charged state and internal temperature lower than 0 DEG C;
Described power brick radiating condition is specially, described power brick in charge or discharge state and internal temperature higher than 40 DEG C.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by gas as heat radiation, heat medium to power brick heat, radiating management, simplify the structure of heat management system, operate more simplely, circulate and can not produce the phenomenon of leakage by air circulation simultaneously.
Brief description of the drawings
Fig. 1 is the batteries of electric automobile bag heat management system schematic diagram providing in the embodiment of the present invention 1;
Fig. 2 is the heating management method flow diagram of the batteries of electric automobile bag thermal management algorithm that provides in the embodiment of the present invention 2;
Fig. 3 is the radiating management method flow chart of the batteries of electric automobile bag thermal management algorithm that provides in the embodiment of the present invention 2.
Wherein: 1, middle part deep bead, 2, battery involucrum, 3, cell, 4, heating air duct, 5, the first electromagnetically operated valve, 6, the first heat radiating air duct, 7, supply fan, 8, add Hot-air fan, 9, ptc heater, 10, electromagnetically operated valve, 11, the second electromagnetically operated valve, 12, the second radiating tube, 13, the fan of giving vent to anger, 14, sidewall deep bead, 15, space;
A, heating system, b1, gas handling system, b2, the system of giving vent to anger.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Referring to Fig. 1, the embodiment of the present invention provides a kind of batteries of electric automobile bag heat management system, comprise battery involucrum 2, battery cell 3, heating system, cooling system and BMS(Battery Management System, battery management system) (not shown).Multiple battery cells 3 are evenly arranged in battery involucrum 2, battery involucrum 2 inside are provided with T-shape middle part deep bead 1, as shown in Figure 1, the length that middle part is parallel to the long slab that battery cell 3 arranges in deep bead 1 is slightly shorter than the length on the long limit of battery involucrum 2, one end of the long slab of middle part deep bead 1 is connected with the right-hand member of battery involucrum 2, short slab is near the left end setting of battery involucrum 2, battery involucrum 2 is separated into two spaces by the long slab of middle part deep bead 1, described two spaces are communicated with by the space 15 forming between battery involucrum 2 left ends and the minor face of middle part deep bead 1, the effect of middle part deep bead 1 is that the space in battery involucrum 2 is divided into two gas passages, gas circulation in battery involucrum 2 is flowed.One end that battery involucrum 2 is connected with middle part deep bead 1 is right-hand member, be provided with cooling system and heating system a, described cooling system comprises gas handling system b1 and gives vent to anger system b2, the both sides of deep bead 1 in the middle part of gas handling system b1 lays respectively at the system b2 that gives vent to anger, and be positioned at battery involucrum 2 outsides, as shown in Figure 1, heating system a is located at battery involucrum 2 inside through middle part deep bead 1.BMS be used for monitoring described power brick state and control described cooling system or heating system a open or close.
When the batteries of electric automobile bag heat management system that the embodiment of the present invention provides heats, heating system a opens, hot blast passes through heating system, under the obstruct of middle part deep bead 1 by figure in arrow instruction carry out gas circulation in power brick inner casing 2 inside, the heat that heating system a is produced passes to described power brick, for described power brick heats; When heat radiation, described cooling system is opened, the outer cold wind of battery involucrum 2 enters by gas handling system b1, under the obstruct of middle part deep bead 1, after battery involucrum 2 inside are flow through, flow out described power brick from the system b2 that gives vent to anger according to arrow instruction in figure and form inside and outside gas circulation, take away the heat of elevator battery 3 in described power brick by gas circulation, be embodied as described power brick heat radiation.
The batteries of electric automobile bag heat management system that the embodiment of the present invention provides by gas as heat radiation, heat medium to power brick heat, radiating management, simplify the structure of heat management system, operate more simplely, circulate and can not produce the phenomenon of leakage by air circulation simultaneously.
Particularly, referring to Fig. 1, heating system a comprises heating air duct 4, controls electromagnetically operated valve 10, the ptc heater 9 of heating air duct 4 switches and add Hot-air fan 8.Heating air duct 4 passes and is arranged on the deep bead 1 of middle part, electromagnetically operated valve 10, ptc heater 9 and add Hot-air fan 8 and be arranged in order and be arranged in heating air duct 4, when heating air duct 4 is opened with described two spaces formation inner loop passage being communicated with.
In the batteries of electric automobile bag heat management system that the embodiment of the present invention provides, electromagnetically operated valve 10 connects car load wire harness, when heating, BMS is by the MOS(Metal Oxide Semiconductor corresponding with electromagnetically operated valve 10, metal-oxide semiconductor (MOS)) management and control storage battery processed powers to electromagnetically operated valve 10, electromagnetically operated valve 10 is opened, heating air duct 4 is connected, while stopping heating, power to electromagnetically operated valve 10 by metal-oxide-semiconductor control storage battery, electromagnetically operated valve 10 disconnects, and heating air duct 4 is closed.Ptc heater 9 is got charger high pressure, and BMS is by starting and closing PTC Control ptc heater 9 and open or close.Add Hot-air fan 8 and connect car load wire harness, get charger 12V low pressure.
Particularly, gas handling system b1 comprises the first heat radiating air duct 6, supply fan 7 and the first electromagnetically operated valve 5, and the system b2 of giving vent to anger comprises give vent to anger fan 13, the second heat radiating air duct 12 and the second electromagnetically operated valve 11.Supply fan 7 is located on the first heat radiating air duct 6, the fan 13 of giving vent to anger is located on the second heat radiating air duct 12, the first heat radiating air duct 6 and the second heat radiating air duct 12 are connected with battery involucrum 2, the first electromagnetically operated valve 5 is controlled the first heat radiating air duct 6 and is communicated with or isolates with battery involucrum 2, the second electromagnetically operated valve 11 is controlled the second heat radiating air duct 12 and is communicated with or isolates with battery involucrum 2, when the first heat radiating air duct 6 is all communicated with battery involucrum 2 with the second heat radiating air duct 12, form outer loop passage with described two spaces.The open and close mode of the first electromagnetically operated valve 5 and the second electromagnetically operated valve 11 is identical with electromagnetically operated valve 10.
The heating system that the embodiment of the present invention provides and cooling system structure are simple, control is convenient, and batteries of electric automobile bag heat management system provided by the invention also can adopt other heating systems or cooling system.
Further, referring to Fig. 1, described heat management system also comprises corresponding with middle part deep bead 1 T-shape position, is located at the sidewall deep bead 14 between battery cell 3 and battery involucrum 2 sidewalls.
By adding sidewall deep bead 14, can make air-flow all flow through between cell, improve heat exchange efficiency.
Embodiment 2
Referring to Fig. 1-Fig. 3, the heat management system that the embodiment of the present invention utilizes embodiment 1 to provide, provides a kind of batteries of electric automobile bag thermal management algorithm simultaneously, and described method comprises:
101:BMS monitors described power brick state;
102: in the time that described power brick state meets heating condition:
BMS controls heating system and opens, and gas handling system and the system closing of giving vent to anger are given described power brick heating;
Now, heating system heating, power brick internal gas flows according to direction shown in arrow in Fig. 1, gives each cell heating.
103: when being heated to described power brick state and not meeting heating condition, control heating system a and close, stop heating;
102 ': in the time that described power brick state meets radiating condition:
BMS controls gas handling system b1 and the system b2 that gives vent to anger opens, and heating system a closes, and gives described power brick heat radiation;
Now extraneous air enters in power brick by gas handling system, in power brick, flows according to direction shown in arrow, and external air temperature is low, has taken away the heat of battery cell in the time flowing through battery cell, dispels the heat to cell.
103 ': when rejecting heat to power brick state and not meeting radiating condition, control gas handling system b1 and the system b2 that gives vent to anger closes, stop heat radiation.
The batteries of electric automobile bag thermal management algorithm that the embodiment of the present invention provides, by gas as heat radiation, heat medium to power brick heat, radiating management, do not need complicated heat management system, operate more simplely, circulate and can not produce the phenomenon of leakage by air circulation simultaneously.
BMS described in step 102 controls heating system and opens, and gas handling system and the system closing of giving vent to anger are given described power brick heating, are specially:
BMS controls electromagnetically operated valve 10 and opens, and the first electromagnetically operated valve 5 and the second electromagnetically operated valve 11 are closed, and connects inner loop passage, closes outer loop passage, opens simultaneously and adds Hot-air fan 8;
After 2-8 minute, control ptc heater 9 and open, give described power brick heating;
First open electromagnetically operated valve 10 and add Hot-air fan 8, then the object of opening ptc heater 9 is before heating, to make the air in described power brick first flow.
When being heated to described power brick state and not meeting heating condition described in step 103, control heating system and close, stop heating, be specially:
When being heated to described power brick state and not meeting heating condition, BMS controls ptc heater 9 and electromagnetically operated valve 10 cuts out, and ptc heater 9 was closed after 2-8 minute, closed and added Hot-air fan 8.
First shut electromagnetic valve 10 and ptc heater 9, then to close the object that adds Hot-air fan 8 be to make uniform heat distribution in power brick.
Step 102 ' described in BMS control gas handling system b1 and the system b2 that gives vent to anger opens, heating system a closes, and gives described power brick heat radiation, is specially:
BMS controls the first electromagnetically operated valve 5 and the second electromagnetically operated valve 11 is opened, and electromagnetically operated valve 10 cuts out, and is communicated with described outer loop passage, closes described inner loop passage, opens supply fan 7 and the fan 13 of giving vent to anger simultaneously, gives described power brick heat radiation;
Step 103 ' the described power brick state that rejects heat to is not while meeting radiating condition, controls gas handling system b1 and the system b2 that gives vent to anger closes, and stops heat radiation, be specially:
When rejecting heat to power brick state and not meeting power brick radiating condition, control the first electromagnetically operated valve 5 and the second electromagnetically operated valve 11 and close, close described outer loop passage, stop heat radiation.
BMS gives each solenoid valve by the metal-oxide-semiconductor control storage battery corresponding with each electromagnetically operated valve in the present embodiment, and electromagnetically operated valve is opened, and does not give solenoid valve by metal-oxide-semiconductor control storage battery, and electromagnetically operated valve disconnects.Ptc heater is got charger high pressure, and BMS is by starting and closing PTC Control ptc heater and open or close.Add Hot-air fan and connect car load wire harness, get charger 12V low pressure.
BMS described in step 101 monitors described power brick state and is specially: BMS monitors described power brick charging and discharging state and temperature.
In order to ensure that power brick do not work under extreme temperature, in the embodiment of the present invention, heating and radiating condition are as follows:
Described in step 102, heating condition is specially: described power brick in charged state and internal temperature lower than 0 DEG C.When described power brick internal temperature is higher than 0 DEG C or during not in charged state, do not meet described heating condition.
Step 102 ' described in power brick radiating condition be specially: described power brick in charge or discharge state and internal temperature higher than 40 DEG C.When described power brick internal temperature is during lower than 40 DEG C, do not meet described radiating condition.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a batteries of electric automobile bag heat management system, comprise battery involucrum, in described battery involucrum, be provided with multiple battery cells, described multiple battery cell is evenly arranged in described battery involucrum, it is characterized in that, described battery involucrum inside is provided with T-shape middle part deep bead, described middle part deep bead is connected with one end of described battery involucrum, described battery involucrum is separated into two spaces, described two spaces are communicated with the space that described middle part deep bead forms by the described battery involucrum other end, described battery involucrum internal gas carries out gas circulation by predetermined direction in described battery involucrum inside under the obstruct of described middle part deep bead, described battery involucrum is provided with cooling system and heating system with one end that described middle part deep bead is connected, described cooling system comprises gas handling system and gives vent to anger system, described gas handling system with described in the system of giving vent to anger lay respectively at the both sides of described middle part deep bead, and be positioned at described battery involucrum outside, described heating system is located at described battery involucrum inside through described middle part deep bead, described heat management system also comprises battery management system, be used for monitoring described power brick state and control described cooling system or described heating system open or close.
2. batteries of electric automobile bag heat management system according to claim 1, it is characterized in that, described heating system comprises heating air duct, controls the electromagnetically operated valve of described heating air duct switch, ptc heater and add Hot-air fan, described heating air duct passes and is arranged on the deep bead of described middle part, described electromagnetically operated valve, described ptc heater and described in add Hot-air fan and be arranged in order and be arranged in described heating air duct, when described heating air duct is opened, form inner loop passage with described two spaces that are communicated with.
3. batteries of electric automobile bag heat management system according to claim 1, it is characterized in that, described gas handling system comprises the first heat radiating air duct, supply fan and the first electromagnetically operated valve, the described system of giving vent to anger comprises the fan of giving vent to anger, the second heat radiating air duct and the second electromagnetically operated valve, described supply fan is located on described the first heat radiating air duct, the described fan of giving vent to anger is located on described the second heat radiating air duct, described the first heat radiating air duct and described the second heat radiating air duct are connected with described battery involucrum, described in described the first solenoid control, the first heat radiating air duct is communicated with or isolates with described battery involucrum, described in described the second solenoid control, the second heat radiating air duct is communicated with or isolates with described battery involucrum, when described the first heat radiating air duct is all communicated with described battery involucrum with described the second heat radiating air duct, form outer loop passage with described two spaces.
4. batteries of electric automobile bag heat management system according to claim 1, it is characterized in that, described heat management system also comprises corresponding with deep bead T-shape position, described middle part, is located at the sidewall deep bead between described battery cell and described power brick shell side wall.
5. a management method for batteries of electric automobile bag heat management system claimed in claim 1, is characterized in that, described method comprises:
Described battery management system is monitored described power brick state;
In the time that described power brick state meets heating condition:
Described in described battery management system control, heating system is opened, described gas handling system and described in the system closing of giving vent to anger, described heating system is described power brick heating, described power brick internal gas flows by certain direction, gives each cell heating;
When being heated to described power brick state and not meeting heating condition, control described heating system and close, stop heating;
In the time that described power brick state meets radiating condition:
Described in described battery management system control gas handling system and described in the system of giving vent to anger open, described heating system is closed, and gives the heat radiation of described power brick;
When rejecting heat to described power brick state and not meeting radiating condition, control described gas handling system and described in the system closing of giving vent to anger, stop heat radiation.
6. the management method of batteries of electric automobile bag heat management system according to claim 5, it is characterized in that, heating system is opened described in described battery management system control, described gas handling system and described in the system closing of giving vent to anger, described heating system is described power brick heating, is specially:
The electromagnetically operated valve of controlling heating air duct switch in heating system described in described battery management system control is opened, the first electromagnetically operated valve in described gas handling system and described in second closed electromagnetic valve of giving vent to anger in system, connect inner loop passage, close outer loop passage, open simultaneously and add Hot-air fan;
After 2-8 minute, control ptc heater and open, give described power brick heating;
Described when being heated to described power brick state and not meeting heating condition, control described heating system and close, stop heating, be specially:
When being heated to described power brick state and not meeting heating condition, ptc heater and described closed electromagnetic valve described in described battery management system control, described ptc heater was closed after 2-8 minute, described in closing, added Hot-air fan.
7. the management method of batteries of electric automobile bag heat management system according to claim 5, it is characterized in that, described in described battery management system control gas handling system and described in the system of giving vent to anger open, described heating system is closed, give described power brick heat radiation, be specially:
The first electromagnetically operated valve described in described battery management system control in gas handling system and described in second electromagnetically operated valve of giving vent to anger in system open, in described heating system, control the closed electromagnetic valve of heating air duct switch, be communicated with outer loop passage, close inner loop passage, open supply fan and the fan of giving vent to anger simultaneously, give described power brick heat radiation;
Described when rejecting heat to described power brick state and not meeting radiating condition, control described gas handling system and described in the system closing of giving vent to anger, stop heat radiation, be specially:
When rejecting heat to described power brick state and not meeting power brick radiating condition, control described the first electromagnetically operated valve and described the second closed electromagnetic valve, close described outer loop passage, stop heat radiation.
8. the management method of batteries of electric automobile bag heat management system according to claim 5, is characterized in that, described battery management system is monitored described power brick state and is specially described battery management system and monitors described power brick charging and discharging state and temperature.
9. the management method of batteries of electric automobile bag heat management system according to claim 8, is characterized in that, described heating condition is specially, described power brick in described charged state and internal temperature lower than 0 DEG C;
Described power brick radiating condition is specially, described power brick in charge or discharge state and internal temperature higher than 40 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110158486.8A CN102255115B (en) | 2011-06-14 | 2011-06-14 | Heat management system and method for battery pack of electric automobile |
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| CN201110158486.8A CN102255115B (en) | 2011-06-14 | 2011-06-14 | Heat management system and method for battery pack of electric automobile |
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| CN102255115B true CN102255115B (en) | 2014-07-30 |
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| KR101371739B1 (en) * | 2012-09-07 | 2014-03-12 | 기아자동차(주) | Battery system |
| CN104282963B (en) * | 2013-07-10 | 2016-01-20 | 陈言平 | The air-cooled heat management device of power battery of electric motor car and control system |
| CN105116341A (en) * | 2015-08-17 | 2015-12-02 | 安徽江淮松芝空调有限公司 | Electric car battery pack testing system |
| CN107611523B (en) * | 2016-07-12 | 2020-04-28 | 有量科技股份有限公司 | Battery device and temperature control method thereof |
| CN106099252B (en) * | 2016-08-22 | 2018-07-17 | 江苏唯益换热器股份有限公司 | A kind of batteries of electric automobile heat management system |
| CN106960987A (en) * | 2017-04-05 | 2017-07-18 | 孔祥贵 | It is a kind of to balance cold and hot temperature control storage pond |
| CN107425166B (en) * | 2017-07-28 | 2020-05-22 | 蚌埠市鑫泰工程塑料制品有限公司 | Battery box of electric automobile |
| CN109904559A (en) * | 2019-01-28 | 2019-06-18 | 天津荣事顺发电子有限公司 | A kind of pair of battery electrode rapid heat radiation device |
| CN111162489B (en) * | 2019-12-25 | 2021-05-28 | 奇瑞汽车股份有限公司 | Wire harness heat dissipation pipe sleeve |
| CN111477993B (en) * | 2020-05-16 | 2024-04-09 | 天津大学 | Efficient thermal management system for power battery pack |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789518A (en) * | 2010-03-23 | 2010-07-28 | 上海中科深江电动车辆有限公司 | Heat exchange structure of power battery box |
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2011
- 2011-06-14 CN CN201110158486.8A patent/CN102255115B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789518A (en) * | 2010-03-23 | 2010-07-28 | 上海中科深江电动车辆有限公司 | Heat exchange structure of power battery box |
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| CN102255115A (en) | 2011-11-23 |
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