CN109148999A - Battery thermal management system and energy storage container - Google Patents
Battery thermal management system and energy storage container Download PDFInfo
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- CN109148999A CN109148999A CN201711419299.4A CN201711419299A CN109148999A CN 109148999 A CN109148999 A CN 109148999A CN 201711419299 A CN201711419299 A CN 201711419299A CN 109148999 A CN109148999 A CN 109148999A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of battery thermal management system and energy storage container.Wherein, battery thermal management system includes: control device, cooling device and temperature sensor；Temperature sensor is arranged on battery module, for detecting the temperature of battery module, and sends temperature signal to control device；Cooling device includes refrigerator and air duct, and the air outlet of refrigerator is connected to the air inlet in air duct, and the air outlet in air duct is arranged on battery module；Control device is electrically connected with temperature sensor and refrigerator respectively；Control device controls the working condition of refrigerator according to temperature signal.Control device of the present invention judges the temperature of battery module according to temperature signal, and then it controls refrigerator work and generates cooling gas, it is discharged on battery module by air duct, effective temperature-reducing and heat dissipation are carried out to battery module, cool down high-efficient, meet the cooling requirement of battery module, guarantee that battery effectively works, avoids the higher service life for influencing energy storage container of battery module temperature.
Description
Technical field
The present invention relates to technical field of electricity technology more particularly to a kind of battery thermal management systems and energy storage container.
Background technique
Currently, battery energy storage system applied in fields such as new energy, smart grid, power-saving technologies it is more and more extensive,
Effect includes the upgrading of traditional power grid, peak load shifting, improves the grid-connected ability of renewable energy.Energy storage container is as battery
Important component in energy-storage system, power battery therein are influenced by temperature very big, the excessively high meeting of the temperature of power battery
Influence the service life of energy storage container.Therefore, it is necessary to take measures to cool down to power battery.
Energy storage container includes cabinet and setting in the intracorporal control cabinet of case and at least one energy storage cabinet, and energy storage cabinet includes height
Press case and at least one power battery module.Power battery module includes power battery module and battery acquisition unit；High-voltaghe compartment
Including power battery administrative unit.Existing energy storage container mostly uses the mode of natural cooling to reduce the temperature of power battery module
Degree, using the temperature and ambient temperature differences of power battery module, is dispersed into the temperature of power battery module in air.
But the cooling convection transfer rate of natural air is low, the heat exchange amount between air and power battery is few, heat exchange efficiency
Low, energy storage container cooling is unobvious.It is naturally empty especially when hot environment or energy storage container are large current discharge
Air cooling cannot in time radiate to power battery, it is difficult to which the cooling requirement for meeting power battery influences energy storage container
Service life.
Summary of the invention
The present invention provides a kind of battery thermal management system and energy storage container, to solve the existing energy storage container type of cooling
Radiating efficiency is low, is not able to satisfy the technical issues of power battery cooling requires.
The present invention provides a kind of battery thermal management system, including control device, cooling device and temperature sensor；It is described
Temperature sensor is arranged on battery module, for detecting the temperature of battery module, and sends temperature signal and fills to the control
It sets；The cooling device includes refrigerator and air duct, and the air outlet of the refrigerator is connected to the air inlet in the air duct, institute
The air outlet for stating air duct is arranged on the battery module；The control device respectively with the temperature sensor and the refrigeration
Device electrical connection；The control device controls the working condition of the refrigerator according to the temperature signal.
Battery thermal management system as described above, wherein the air duct includes the first air duct and is arranged in first wind
The second air duct below road；The air inlet in first air duct is connected to the air outlet of the refrigerator, first air duct
Air outlet is connected to the air inlet in second air duct；The air outlet in second air duct is arranged on the battery module.
Battery thermal management system as described above, wherein second air duct include at least two air outlets, described second
Duct outlet is arranged on two opposite radiating surfaces of the battery module.
Battery thermal management system as described above, wherein the cooling device further includes fan；The fan is arranged in institute
State the air inlet in the second air duct；The fan is electrically connected with the control device；The control device is believed according to the temperature
The working condition of number control fan.
Battery thermal management system as described above, wherein the air outlet in first air duct is provided with grid；The grid
It is electrically connected with the control device；The control device controls the openings of sizes of the grid according to temperature signal.
Battery thermal management system as described above, wherein the control device include: controller, battery management unit with
And battery acquisition unit；The battery management unit is electrically connected with the battery acquisition unit, the controller respectively；The temperature
Degree sensor is electrically connected with the battery acquisition unit；The refrigerator is electrically connected with the controller；The battery acquisition is single
Member receives the temperature signal and is sent to the battery management unit；The controller receives the battery management unit and sends
The temperature signal, and the temperature of the battery module is obtained according to the temperature signal；The controller is in the battery
When the temperature of module is greater than temperature threshold, controls the refrigerator and open.
Battery thermal management system as described above, wherein the controller is arranged in control cabinet.
Battery thermal management system as described above further includes smoke alarm unit；The smoke alarm unit includes setting
Smoke sensor device and Temperature Humidity Sensor in energy storage container, and the alarm being arranged in outside the energy storage container；
The smoke sensor device, the Temperature Humidity Sensor and the alarm are electrically connected with the controller respectively；The smog
Sensor is used to detect the smokescope in the energy storage container, and sends smoke signal to the controller；It is described warm and humid
Degree sensor is used to detect the gas temperature and humidity in the energy storage container, and sends temperature-humidity signal to the controller；When
The controller judges that the smokescope in the energy storage container is more than smoke density threshold value according to the smoke signal, and/
Or, when judging the temperature and humidity in the energy storage container lower than Threshold of Temperature And Humidity according to the temperature-humidity signal, the controller
It controls the alarm and issues alarm signal.
Battery thermal management system as described above further includes the fire fighting extinguisher being arranged in the energy storage container；
The fire fighting extinguisher is electrically connected with the controller；The controller controls the alarm and issues the same of alarm signal
When, the controller also controls the fire fighting extinguisher starting.
Also a kind of energy storage container of the present invention, including cabinet, energy storage cabinet and battery thermal management system as described above；Institute
Energy storage cabinet is stated to be placed in the cabinet；The energy storage cabinet includes cabinet body and battery module, the mounting surface of the battery module
It is fixedly connected by fixing piece with the cabinet body；The top of the cabinet is arranged in the refrigerator of the battery thermal management system.
Battery thermal management system and energy storage container of the present invention are detected by the temperature sensor being arranged on battery module
The temperature of battery module, and temperature signal is sent to control device, control device judges the temperature of battery module according to temperature signal
Degree, and then control refrigerator work and generate cooling gas, it is discharged on battery module, battery module is carried out effective by air duct
Cooling and heat dissipation, cool down high-efficient, meet the cooling requirement of battery module, guarantee that battery effectively works, avoid battery module temperature
Spend the higher service life for influencing energy storage container.
Detailed description of the invention
Described in detail below, the above and other objects, features and advantages general of the embodiment of the present invention by referring to accompanying drawing
It becomes more clearly understood from.In the accompanying drawings, by by example and it is unrestricted in a manner of multiple embodiments of the invention are said
It is bright, in which:
Fig. 1 is the structural schematic diagram of energy storage container of the present invention；
Fig. 2 is the main view of energy storage container of the present invention；
Fig. 3 is the top view of energy storage container of the present invention；
Fig. 4 is the left view of energy storage container of the present invention；
Fig. 5 is the right view of energy storage container of the present invention；
Fig. 6 is the structural schematic diagram in power output region in energy storage container of the present invention；
Fig. 7 is the structural schematic diagram in the first air duct；
Fig. 8 is the structural schematic diagram of energy storage cabinet in Fig. 6；
Fig. 9 is the explosive view of energy storage cabinet in Fig. 6；
Figure 10 is the structural schematic diagram in the second air duct；
Figure 11 is the structural schematic diagram of battery modules；
Figure 12 is the electrical connection schematic diagram of an embodiment of battery thermal management system of the present invention；
Figure 13 is the electrical connection schematic diagram of another embodiment of battery thermal management system of the present invention.
Description of symbols:
100: control device；120: battery management unit；
130: battery acquisition unit；210: refrigerator；
211: mounting plate；221: the first air ducts；
221a: the first air inlet of air duct；221b: the first duct outlet；
221c: the first air duct inner cavity；
221d, 221e, 221f: the first sub-air channel；
222: the second air ducts；222a: supply air duct；
222b: wind output channel；222c: the second duct outlet；
230: fan；240: grid；
300: temperature sensor；400: cabinet；
410: power output region；420: control area；
430: partition；500: energy storage cabinet；
510: cabinet body；520: battery modules；
521a: radiating surface；522b: mounting surface；
530: high-voltaghe compartment；540: battery bracket；
550: fixing piece；521: battery module；
610: smoke sensor device；620: Temperature Humidity Sensor；
630: alarm；700: fire fighting extinguisher；
810: headlamp；820: emergency exit indicating lamp；
900: control cabinet.
Specific embodiment
Currently, each ring of the battery energy storage system in fields such as new energy, smart grid, power-saving technologies from power generation to electricity consumption
Being more and more widely used of being applied is saved, it acts as include that the upgrading of traditional power grid, peak load shifting, raising can be again
The raw grid-connected ability of the energy.
Energy storage container is influenced by temperature as the important component in battery energy storage system, power battery therein
It is very big, when the temperature of lithium-ion-power cell exceeds cell safety use scope, when working under high temperature environment for a long time, battery sheet
Irreversible reaction will be generated inside body, accelerate the decaying of circulating battery service life, and then reduce energy storage cabinet entirety service performance；
When lithium-ion-power cell temperature reaches inside battery material burning point, if the heat that battery itself generates cannot lose in time
When, thermal runaway phenomenon will occur for battery, cause energy storage cabinet to be smoldered, is on fire.Also, power battery module temperature LONG-TERM DISTRIBUTION is not
Uniformly, each battery core performance will show otherness in battery modules, and the temperature difference is bigger, and otherness is bigger, and then influence energy storage cabinet and follow
Ring service life.The temperature of the power battery excessively high service life that will affect energy storage container.Therefore, it is necessary to take measures to power electric
Pond cools down.
Energy storage container includes cabinet and setting in the intracorporal control cabinet of case and at least one energy storage cabinet, and energy storage cabinet includes height
Press case and at least one power battery module.Power battery module includes power battery module and battery acquisition unit；High-voltaghe compartment
Including power battery administrative unit.Existing energy storage container mostly uses the mode of natural cooling to reduce the temperature of power mould group,
Using the temperature and ambient temperature differences of power battery module, it is dispersed into the temperature of power battery module in air.
But the cooling convection transfer rate of natural air is low, the heat exchange amount between air and power battery is few, heat exchange efficiency
Low, energy storage container cooling is unobvious.It is naturally empty especially when hot environment or energy storage container are large current discharge
Air cooling cannot in time radiate to power battery, it is difficult to which the cooling requirement for meeting power battery influences energy storage container
Service life.
For this purpose, the present invention provides a kind of and energy storage container, to solve existing energy storage container type of cooling radiating efficiency
It is low, be not able to satisfy power battery cooling the technical issues of requiring.
Below in conjunction with attached drawing, detailed description of the preferred embodiments, it should be appreciated that retouches in this place
The specific embodiment stated is merely to illustrate and explain the present invention, and the present invention is not limited to following specific embodiments.
Firstly the need of explanation, in the present invention, the length direction of energy storage container, i.e. X in attached drawing are laterally referred to
Left and right directions in direction namely attached drawing；Longitudinal direction refers to the width direction of energy storage container, i.e., Y-direction namely attached in attached drawing
Front-rear direction in figure；The vertical short transverse for referring to energy storage container, i.e. Z-direction in attached drawing, and vertically with ground
Direction, and "top", "upper" refer to the side far from ground, "bottom", "lower" close to ground side.
Fig. 1 is the structural schematic diagram of energy storage container of the present invention；Fig. 2 is the main view of energy storage container of the present invention；Fig. 3 is
The top view of energy storage container of the present invention；Fig. 4 is the left view of energy storage container of the present invention；Fig. 5 is energy storage container of the present invention
Right view；Fig. 6 is the structural schematic diagram in power output region in energy storage container of the present invention；Fig. 7 is the structure in the first air duct
Schematic diagram；Fig. 8 is the structural schematic diagram of energy storage cabinet in Fig. 6；Fig. 9 is the explosive view of energy storage cabinet in Fig. 6；Figure 10 is the second air duct
Structural schematic diagram；Figure 11 is the structural schematic diagram of battery modules；Figure 12 is an embodiment of battery thermal management system of the present invention
It is electrically connected schematic diagram；Figure 13 is the electrical connection schematic diagram of another embodiment of battery thermal management system of the present invention.
Referring to figs. 1 to Figure 12, the present embodiment provides a kind of battery thermal management systems, including control device 100, cooling device
200 and temperature sensor 300；Temperature sensor 300 is arranged on battery module 521, for detecting the temperature of battery module 521
Degree, and temperature signal is sent to control device 100；Cooling device 200 includes refrigerator 210 and air duct 220, refrigerator 210
Air outlet be connected to the air inlet in air duct 220, the air outlet in air duct 220 is arranged on battery module 521；Control device 100
It is electrically connected respectively with temperature sensor 300 and refrigerator 210；Control device 100 controls the work of refrigerator 210 according to temperature signal
Make state.
Specifically, the present embodiment provides a kind of battery thermal management system, including control device 100, cooling device 200 and
Temperature sensor 300.Temperature sensor 300 can be thermocouple temperature sensor, thermistor temperature sensor etc..Temperature
It spends sensor 300 to be arranged on battery module 521, for detecting the temperature of battery module 521, and sends temperature signal to control
Device 100.Temperature sensor 300 can be set one, be installed therein on a battery module 521；It is including multiple batteries
In the energy storage container of module 521, temperature sensor 300 is arranged multiple, it is preferable that one is arranged on each battery module 521
Temperature sensor 300.
Cooling device 200 includes refrigerator 210 and air duct 220, the wherein preferred industrial air-conditioning of refrigerator 210, can also be with
It is other refrigeration equipments, herein with no restrictions.The air outlet of refrigerator 210 is connected to the air inlet in air duct 220, air duct 220
Air outlet is arranged on battery module 521, so that the cooling gas of the generation of refrigerator 210 is via air duct 220 in battery module 521
Upper release is radiated and is cooled down to battery module 521.Refrigerator 210 can be set in energy storage container, and air outlet is straight
It connects and is connected to air duct 220, refrigerator 210 also can be set in the outside of energy storage container, is connected to by pipeline with air duct 220.
It is understood that yes the air outlet in air duct 220 can be set one, and cooling gas prepared by refrigerator 210 is discharged into energy storage
In container, cool down to all battery modules 521 in energy storage container.In order to enable each battery in energy storage container
Module 521 can cool down, and guarantee the harmony of 521 temperature of battery module, it is preferable that the air outlet in air duct 220 is arranged
To be multiple, for example, two 220 air outlets of air duct are arranged in each battery module 521, it is opposite to be separately positioned on battery module 521
Two sides.The air outlet in air duct 220 can be opposite with battery module 521, in general, energy storage cabinet 500 includes the electricity of multiple series/parallels
Pond module 521, the air outlet in air duct 220 can also plug between two adjacent battery modules 521.
Control device 100 is electrically connected with temperature sensor 300 and refrigerator 210 respectively, and control device 100 receives temperature and passes
The temperature signal that sensor 300 is sent, the temperature for judging the battery module 521 that temperature sensor 300 detects according to temperature signal are
It is no to be greater than temperature threshold, and then control the working condition of refrigerator 210.Specifically, control device 100 is stored with control strategy,
When temperature sensor 300 detects that battery module 521 has different temperature, control device 100 controls refrigerator 210 and executes
Different orders.For example, control device 100 controls refrigerator 210 and opens if the temperature of battery module 521 is greater than 35 DEG C
Low-power operating；When the temperature of battery module 521 is greater than 38 DEG C, then control device 100 controls power in the unlatching of refrigerator 210
Operating；When the temperature of battery module 521 is greater than 40 DEG C, then control device 100 controls refrigerator 210 and opens high power operating.
Certainly, temperature threshold can be configured according to the specific requirement of battery module 521 in energy storage container, and control device 100
It is also possible to multistage according to the unlatching of temperature controlled refrigerating device 220 and watt level variation, is not limited thereto.In addition,
Control device 100 can be the controller being separately provided, and be mounted in energy storage container；Control device 100 can also be integrated into
In the original control equipment of energy storage container, herein with no restrictions.
It should be noted that the collected temperature signal of temperature sensor 300 is compared with temperature threshold and can use
Such as comparison circuit or computing circuit are realized, naturally it is also possible to be realized using software.Similarly, control device 100
Generating control signal according to the temperature signal of temperature sensor 300 can also be by the way of software or integral control circuit come real
It is existing.It is appreciated that there are many specific electronic components of circuit and the connection relationship of these electronic components of the above-mentioned function of realization
Mode, those skilled in the art can be designed according to circuit design knowledge and be produced corresponding by above-mentioned functional descriptions
Circuit.
Battery thermal management system provided in this embodiment, including control device, cooling device and temperature sensor, pass through
The temperature of temperature sensor detection battery module on battery module is set, and sends temperature signal to control device, control
Device judges the temperature of battery module according to temperature signal, and then controls refrigerator work and generate cooling gas, is released by air duct
It is put on battery module, effective temperature-reducing and heat dissipation is carried out to battery module, cooled down high-efficient, the cooling for meeting battery module is wanted
It asks, guarantees that battery effectively works, avoid the higher service life for influencing energy storage container of battery module temperature.
On the basis of the above embodiments, referring to Fig. 6 to Figure 10, air duct 220 includes the first air duct 221 and is arranged first
Second air duct 222 of 221 lower section of air duct；The air inlet in the first air duct 221 is connected to the air outlet of refrigerator 210, the first air duct
221 air outlet is connected to the air inlet in the second air duct 222；The air outlet in the second air duct 222 is arranged on battery module 521.
Specifically, the first air duct 221 includes the first air inlet of air duct 221a, the first duct outlet 221b and connection the
The first air duct inner cavity 221c of one air inlet of air duct 221a and the first duct outlet 221b, the cooling air that refrigerator 210 generates
Body is dispersed by the first air duct 221 to the second air duct 222.Wherein, the air outlet of the first air inlet of air duct 221a and refrigerator 210
Connection, the first duct outlet 221b are connected to the air inlet in the second air duct 222.First air inlet of air duct 221a, which can be set, to be stretched
The draw is connect with refrigerator 210, other clamping structures can be set and connect with the wind pipe of refrigerator 210, do not do have herein
Body limitation.A first duct outlet 221b can be set in first air duct 221, divides cooling gas via the second air duct 222
It is scattered to each battery module 521；Alternatively, multiple first duct outlet 221b are arranged in the first air duct 221, along energy storage container
Lateral separation arrangement, the cooling gas that refrigerator 210 generates enter the first air duct inner cavity by the first air inlet of air duct 221a
221c enters the second air duct 222 via multiple first duct outlet 221b, and then cooling gas is distributed to each battery mould
Block 521.In addition, the first air duct 221 can be set one, it is mounted on the middle part of energy storage container；Alternatively, as shown in fig. 6, first
Air duct 221 is arranged multiple, for example, two, three etc., the longitudinal gap along energy storage container is arranged.First air duct 221 it is transversal
Face can be circle, polygon, ellipse or irregular shape etc., and the present invention is not particularly limited.
In some embodiments, the first air duct 221 is integrally formed structures, according to the size of different energy storage containers
Design a series of the first air duct 221 of length.In further embodiments, the first air duct 221 includes multiple first sub-air channels, more
It is connected, can be connected different according to the requirement of different energy storage containers by modes such as clamping, grafting between a first sub-air channel
First sub-air channel of quantity forms the first air duct 221 of different length, improves the versatility in the first air duct 221.Reference Fig. 8, the
One sub-air channel may include three types: the first seed type, such as: the two of the first air duct 221 are arranged in the first sub-air channel 221d
It holds, one end in left and right ends is provided with opening for being connected to other first sub-air channels, and the other end is provided with gear
Plate is blocked, and lower end surface is provided with the first duct outlet 221b；Second of type, such as: the first sub-air channel 221f,
Left and right ends are both provided with opening, and for being connected to other first sub-air channels, the first air inlet of air duct 221a is arranged in end face thereon,
Its lower end surface is provided with the first duct outlet 221b；Third seed type, such as: the first sub-air channel 221e, left and right ends are all
It is provided with opening, for being connected to other first sub-air channels, lower end surface is provided with the first duct outlet 221b.Certainly,
One air duct 221 is also possible to other building forms, and the present invention is not particularly limited this.
The lower section in the first air duct 221 is arranged in second air duct 222, is conducive to cooling gas and flows to the second air duct 222.The
Two air inlet of air duct are connected to the first duct outlet 221b, and the second duct outlet 222c is arranged on battery module 521.The
Two air ducts 222 can be set one, and battery module 521 is cooled down and radiated；Alternatively, the second air duct 222 also can be set
Multiple, second air duct 222 is arranged in each energy storage cabinet 500 in the preferred energy storage packaging of the present embodiment.Second air duct 222 and storage
The cabinet body 510 of energy cabinet 500 is fixedly connected, and the air outlet in the second air duct 222 is arranged on the battery module 521 in energy storage cabinet 500.
In some embodiments, the air outlet in the second air duct 222 can be set one, to the electricity in entire energy storage cabinet 500
Pond module 521 radiates.In other embodiments, in order to guarantee that cooling gas is evenly dispersed, keep battery module 521 equal
Weighing apparatus carries out cooling and heat dissipation, and the second air duct 222 includes at least two air outlets, and the air outlet in the second air duct 222 is arranged in battery mould
On two opposite radiating surface 521a of block 521.
Referring to Fig. 9 and Figure 11, battery module 521 includes radiating surface 521a and mounting surface 522b, and wherein radiating surface 521a is used
In the air outlet that the second air duct 222 is arranged, mounting surface 522b with the cabinet body of energy storage cabinet for connecting or adopting for installing battery
Collect unit 130.
Referring to Fig. 8 to Figure 10, the second air duct 222 includes supply air duct 222a and wind output channel 222b, wherein the second air duct
One end of supply air duct 222a, the other end of supply air duct 222a and the one of wind output channel 222b is arranged in air inlet (not shown)
End connection, the other end of wind output channel 222b are provided with the second duct outlet 222c.In order to guarantee to each battery module 521
It radiates, avoids the unbalanced influence service life of 521 temperature of battery module, wind output channel 222b is provided with multiple, air draft wind
Road 222b is arranged on two opposite radiating surface 521a of battery module 521, also, the wind output channel 222b other end is arranged in
Second duct outlet 222c being laterally extended along battery module 521, guarantees that cooling gas is distributed to the entire of battery module 521
On radiating surface 521a, carrying out equilibrium to battery module 521 will be hot.In order to avoid wind output channel 222b is excessive, processing and installation is multiple
It is miscellaneous, the adjacent radiating surface 521a of two preferably adjacent battery modules 521, i.e., the lower radiating surface of a upper battery module 521 and
One wind output channel 222b is set between the upper radiating surface of next battery module 521.
As shown in Fig. 8 to Fig. 9, in multiple battery modules 521 along the vertical arrangement of energy storage cabinet, supply air duct 222a is vertical to be prolonged
Stretch, wind output channel 222b vertically with supply air duct 222a so that the second duct outlet 222c extend into the upper of battery module 521
On radiating surface and lower radiating surface.In addition, the second duct outlet 222c adjacent with the high-voltaghe compartment 530 of energy storage cabinet 500 can be with
It radiates to high-voltaghe compartment 530, the temperature of high-voltaghe compartment 530 is avoided to influence the temperature of battery module 521.Supply air duct 222a is vertical
Setting, is conducive to cooling gas and flows downward, be discharged to each battery module 521.The quantity of wind output channel 222b is according to battery
The quantity of module 521 is designed, herein with no restrictions.In order to improve the generalization in the second air duct 222, the second air duct 222 can
To include that multiple second sub-air channels are connected and to be formed, suitable for the energy storage cabinet 500 with different number battery module 521.
In order to accelerate cooling gas in the flowing velocity in the second air duct 222, cooling device 200 further includes fan 230；Fan
230 are arranged in the air inlet in the second air duct 222；Fan 230 is electrically connected with control device 100；Control device 100 is according to temperature
The working condition of signal control fan 230.
Specifically, fan 230 can be existing fan structure, and which is not limited by the present invention.The setting of fan 230 second
Road air inlet is sealed, so that cooling gas acceleration is flowed to wind output channel 222b, to make 521 fast cooling of battery module.Fan 230
It may include motor and blade, motor is electrically connected with control device 100, and control device 100 sends control life according to temperature signal
It enables to motor, the rotation of driving fan blade.Certainly, fan can also include fan governor, fan governor and control device
100 electrical connections, control device 100 send control command to fan governor, and fan governor controls fan motor rotate driving
Fan blade rotation.In addition, a fan 230 can be set at the second air inlet of air duct, multiple fans 230 also can be set,
Along being horizontally arranged at interval for energy storage cabinet 500, for example, two, three etc..
In actual application, energy storage container includes the energy storage cabinet 500 of multiple strings and/or parallel connection, each energy storage cabinet
500 temperature may difference, some temperature are high, and some temperature are low, and control device 100 receives different 500 electricity of energy storage cabinets
The temperature signal that the temperature sensor 300 of pond module 521 is sent, it is corresponding to control different energy storage cabinets 500 depending on the temperature
230 revolving speed of fan.For example, some 500 battery module temperature of energy storage cabinet are relatively high, control device 100 controls the energy storage cabinet 500
Fan 230 run at high speed, accelerate cooling gas flow in the energy storage cabinet 500, to the battery module 521 of the energy storage cabinet 500
Carry out radiating and cooling；And it is relatively not high for 521 temperature of battery module of some energy storage cabinets 500, control device 100 controls the storage
230 low-speed running of fan of energy cabinet 500, cooling gas are flow in the energy storage cabinet 500, carry out heat dissipation drop to battery module 521
Temperature.Multistage variation, such as three step velocitys: high speed, middling speed, low speed etc. can be arranged in the revolving speed of fan 230 depending on the temperature；
Alternatively, level Four, Pyatyi velocity variations etc., the present invention is not specifically limited.It in this way can be constant in 210 refrigeration work consumption of refrigerator
Under the premise of, the revolving speed of the fan 230 by adjusting different energy storage cabinets 500, to the energy storage cabinet of the battery module 521 of different temperatures
500 carry out radiating and cooling, guarantee temperature relative equilibrium between each battery module 521 of entire energy storage container.
In some optionally embodiments, the air outlet in the first air duct 221 is provided with grid 240；Grid 240 and control fill
Set 100 electrical connections；Control device 100 controls the openings of sizes of grid 240 according to temperature signal.
In order to control the flow for the cooling gas for entering the second air duct 222, the first duct outlet 221b is provided with lattice
Grid 240, grid 240 can be including motor and grid, and motor is electrically connected with control device 100, and control device 100 is according to temperature
Signal judges the temperature of battery module 521, and the openings of sizes of grid 240 is controlled according to the different temperatures of battery module 521.When
So, grid 240 can also include grid controller, and grid controller is electrically connected with control device 100 and grid motor electricity respectively,
Control device 100 controls the openings of sizes of grid 240 by grid controller.
In actual application, energy storage container includes the energy storage cabinet 500 of multiple strings and/or parallel connection, each energy storage cabinet
500 temperature may difference, some temperature are high, and some temperature are low, and control device 100 receives different 500 electricity of energy storage cabinets
The temperature signal that the temperature sensor 300 of pond module 521 is sent, controls the grid of different energy storage cabinets 500 depending on the temperature
240 openings of sizes, to control the flow for the cooling gas for entering the second air duct 222.For example, the battery of some energy storage cabinets 500
521 temperature of module is relatively high, and control device 100 controls the open big mouth of grid 240 of the energy storage cabinet 500, increases and flows into the storage
Cooling gas flow in energy cabinet 500 carries out radiating and cooling to the battery module 521 of the energy storage cabinet 500；And for some energy storage
521 temperature of battery module of cabinet 500 is not relatively high, and control device 100 controls the open osculum of grid 240 of the energy storage cabinet 500, cold
But gas is flow in the energy storage cabinet 500, carries out radiating and cooling to battery module 521.The openings of sizes of grid 240 can basis
Different temperature setting multistage variations, such as three-level: great Kou, middle mouth, osculum etc.；Alternatively, level Four, Pyatyi openings of sizes change
Deng the present invention is not specifically limited.It in this way can be under the premise of 210 refrigeration work consumption of refrigerator be constant, by adjusting different storages
The openings of sizes of energy 500 grid 240 of cabinet carries out radiating and cooling to the energy storage cabinet 500 of 521 different temperatures of battery module, guarantees whole
Temperature relative equilibrium between each battery module 521 of a energy storage container.
On the basis of the above embodiments, control device 100 includes: controller 110, battery management unit 120 and electricity
Pond acquisition unit 130；Battery management unit 120 is electrically connected with battery acquisition unit 130, controller 110 respectively；Temperature sensor
300 are electrically connected with battery acquisition unit 130；Refrigerator 210 is electrically connected with controller 110；Battery acquisition unit 130 receives temperature
Signal is simultaneously sent to battery management unit 120；The temperature signal that the reception battery management unit 120 of controller 110 is sent, and according to
Temperature signal obtains the temperature of battery module 521, and controller 110 is when the temperature of battery module 521 is greater than temperature threshold, control
Refrigerator 210 is opened.
Specifically, cooling control carried out to multiple energy storage cabinets 500 in energy storage container for convenience, referring to Fig.1 2
With 13, the present embodiment control device 100 includes: controller 110, battery management unit 120 and battery acquisition unit 130.Electricity
Temperature sensor 300 is provided in pond module 521, temperature sensor 300 is electrically connected with battery acquisition unit 130；Battery management
Unit 120 is electrically connected with battery acquisition unit 130, controller 110 respectively；Refrigerator 210 is electrically connected with controller 110.It is preferred that
A temperature sensor 300, and the battery of temperature sensor 300 and the battery module 521 is arranged in ground, each battery module 521
Acquisition unit 130 is electrically connected；And the battery management list of the battery acquisition unit 130 in the same energy storage cabinet 500 and high-voltaghe compartment 530
Member 120 is electrically connected, and is conducive to the acquisition to temperature signal and the transmission of control command.
Temperature sensor 300 detects the temperature of battery module 521, and sends temperature signal to battery acquisition unit 130, electricity
Temperature signal is sent to battery management unit 120 by pond acquisition unit 130, and battery management unit 120 receives battery acquisition unit
130 temperature signals sent, and it is sent to controller 110, controller 110 obtains the temperature of battery module 521 according to temperature signal
Temperature threshold is spent and judge whether to be greater than, and when the temperature of battery module 521 is greater than temperature threshold, sends control command to system
Cooler 210, control refrigerator 210 are opened, generate cooling gas, cool down to battery module 521.Meanwhile sending control life
Enable the state of cooling that different energy storage cabinets 500 are controlled to fan 230 and grid 240.
Controller 110 can be separately provided.Preferably, controller 110 is arranged in control cabinet 900, is set with reducing control
It is standby, reduce the volume of energy storage container.Controller 110 can be integrated into control cabinet by modes such as circuit connection or softwares
In 900, those skilled in the art can be designed according to circuit design knowledge and be produced corresponding by above-mentioned functional descriptions
Circuit.
Further, the present embodiment battery thermal management system further includes smoke alarm unit；Smoke alarm unit includes setting
Set smoke sensor device 610 and Temperature Humidity Sensor 620 in energy storage container, and the alarm being arranged in outside energy storage container
Device 630；Smoke sensor device 610, Temperature Humidity Sensor 620 and alarm 630 are electrically connected with controller 110 respectively；Smog passes
Sensor 610 is used to detect the smokescope in energy storage container, and sends smoke signal to controller 110；Temperature Humidity Sensor
620 for detecting the gas temperature and humidity in energy storage container, and sends temperature-humidity signal to controller 110；When controller 110
Judge that the smokescope in energy storage container is more than smoke density threshold value according to smoke signal, and/or, judged according to temperature-humidity signal
When temperature and humidity in energy storage container is lower than Threshold of Temperature And Humidity, controller 110 controls alarm 630 and issues alarm signal.
Specifically, smoke alarm unit includes smoke sensor device 610, Temperature Humidity Sensor 620 and alarm 630,
In, smoke sensor device 610 and Temperature Humidity Sensor 620 are arranged in energy storage container, and alarm 630 is arranged in energy storage container
Outside.Smoke sensor device 610 can be ion type smog sensor, be also possible to photoelectric smoke sensor.Smoke sensor device 610
For detecting the smokescope in energy storage container, and smoke signal is sent to controller 110.It can be set in energy storage container
One smoke sensor device 610 can be set multiple to accurately acquire the smoke condition in energy storage container in energy storage container
Smoke sensor device 610, such as: three, four etc., along being horizontally arranged at interval for energy storage container.Temperature Humidity Sensor 620 can be with
It is existing Temperature Humidity Sensor type, it is not limited here.Temperature Humidity Sensor 620 is used to detect the gas in energy storage container
Body temperature humidity, and temperature-humidity signal is sent to controller 110.A Temperature Humidity Sensor 620 can be set in energy storage container,
In order to accurately acquire the temperature and humidity in energy storage container, multiple Temperature Humidity Sensors 620, example can be set in energy storage container
Such as: three, four, along being horizontally arranged at interval for energy storage container.Alarm 630 can be voice guard, be also possible to
Visual alarm, can also be the alarm that sound and light combine, the present invention to the form of alarm without limitation.
Smoke sensor device 610, Temperature Humidity Sensor 620 and alarm 630 are electrically connected with controller 110 respectively, work as control
Device 110 processed judges that the smokescope in energy storage container is more than smoke density threshold value according to smoke signal, and/or, according to warm and humid
When degree signal judges the temperature and humidity in energy storage container lower than Threshold of Temperature And Humidity, controller 110 controls alarm 630 and issues alarm
Signal, remind staff's energy storage container in there are risks on fire, to make respective handling in time.
Further, the present embodiment battery thermal management system further includes the fire fighting extinguisher being arranged in energy-storage box
700；Fire fighting extinguisher 700 is electrically connected with controller 110；Controller 110 controls alarm 630 and issues the same of alarm signal
When, controller 110 also controls the starting of fire fighting extinguisher 700.
Specifically, fire fighting extinguisher 700 can be the fire-fighting fire extinguishing dress that can be applied to battery apparatus in the prior art
It sets, it is not limited here.Fire fighting extinguisher 700 is electrically connected with controller 110；Controller 110 controls alarm 630 and issues report
While alert signal, controller 110 also controls the starting of fire fighting extinguisher 700, puts out a fire to energy storage container, avoids energy storage
Container is on fire to cause danger.
In addition, battery thermal management system can also include long-distance monitorng device, long-distance monitorng device can be computer etc., far
Range monitoring device and controller 110 communicate to connect, and receive the signal of controller 110, the long-range work shape for monitoring energy storage container
State.Certainly, battery thermal management system can also include the camera being arranged in energy storage container, for acquiring energy storage collection in real time
Situation in vanning, and it is transferred to long-distance monitorng device, realize long-range monitoring.
The present invention also provides a kind of energy storage containers, including cabinet 400, energy storage cabinet 500 and battery thermal management system；Storage
Energy cabinet 500 is placed in cabinet 400；Energy storage cabinet 500 includes cabinet body 510 and battery module 521, the installation of battery module 521
Face 522b is fixedly connected by fixing piece 550 with cabinet body 510；Cabinet 400 is arranged in the refrigerator 210 of battery thermal management system
Top.
Specifically, referring to figs. 1 to Fig. 5, energy storage container includes cabinet 400, cabinet 400 can be more beams welding or
The frame structures of formation such as be spirally connected, and is also possible to other box-structures, the present invention is not specifically limited in this embodiment.Cabinet 400 is logical
Partition 430 is crossed to divide for power output region 410 and control area, wherein the setting of energy storage cabinet 500 is in power output region 410,
Control cabinet 900 etc. is placed in control area 420, and heat dissipation influences the temperature of energy storage cabinet 500 when the electricity piece of control area being avoided to work.
Referring to Fig. 8 and Fig. 9, energy storage cabinet 500 includes cabinet body 510, high-voltaghe compartment 530 and battery modules 520, battery modules
520 include battery module 521 and battery acquisition unit 130.Cabinet body 510 is provided with battery bracket 540, is used to support battery mould
Block 521.The mounting surface 522b of battery module 521 by fixing piece 550 and bolt respectively with the second wind of battery thermal management system
Road 222 is fixedly connected with cabinet body 510.High-voltaghe compartment 530 includes battery management unit 120 and relay, fuse etc., high-voltaghe compartment
It is electrically connected by high-voltage line with battery modules.
Battery thermal management system includes control device 100, cooling device 200 and temperature sensor 300；Temperature sensor
300 are arranged on battery module 521, for detecting the temperature of battery module 521, and send temperature signal to control device 100；
Cooling device 200 includes refrigerator 210 and air duct 220, and the air outlet of refrigerator 210 is connected to the air inlet in air duct 220, wind
The air outlet in road 220 is arranged on battery module 521；Control device 100 is electric with temperature sensor 300 and refrigerator 210 respectively
Connection；Control device 100 controls the working condition of refrigerator 210 according to temperature signal.Battery thermal management provided in this embodiment
The structure of system, function and effect are same as the previously described embodiments, are specifically referred to above-described embodiment, no longer go to live in the household of one's in-laws on getting married herein
It states.The top of cabinet 400 is arranged in refrigerator 210, can not only be not take up the space in cabinet 400, but also be conducive to cooling gas
It flows downwardly on the battery module 521 of energy storage cabinet 500, radiates to battery module 521.
Energy storage container further include headlamp 810 and indicate extra exit emergency exit indicating lamp 820, respectively with control
Cabinet 900 processed is electrically connected.Headlamp 810 can be existing structure of the lighting lamp, and quantity can be according to the reality of energy storage container
Situation is designed, for example, setting 4, along being horizontally arranged at interval for energy storage container, but invention is not limited thereto.Accordingly
, emergency exit indicating lamp 820 can be existing extra exit sign structure, and quantity can be according to energy storage container
Actual conditions be designed, the present invention is not specifically limited.
Energy storage container provided in this embodiment, battery thermal management system include control device, cooling device and temperature
Sensor detects the temperature of battery module by the temperature sensor being arranged on battery module, and sends temperature signal to control
Device processed, control device judge the temperature of battery module according to temperature signal, and then control refrigerator work and generate cooling gas,
It is discharged on battery module by air duct, effective temperature-reducing and heat dissipation is carried out to battery module, cools down high-efficient, meets battery module
Cooling requirement, guarantee battery effectively work, avoid battery module temperature it is higher influence energy storage container service life.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or
The description of " some examples " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example include
In at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms necessarily needle
Pair be identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can any one or
It can be combined in any suitable manner in multiple embodiment or examples.In addition, without conflicting with each other, those skilled in the art
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined and group
It closes.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of battery thermal management system, which is characterized in that including control device, cooling device and temperature sensor；
The temperature sensor is arranged on battery module, for detecting the temperature of battery module, and sends temperature signal to institute
State control device；
The cooling device includes refrigerator and air duct, and the air outlet of the refrigerator is connected to the air inlet in the air duct,
The air outlet in the air duct is arranged on the battery module；
The control device is electrically connected with the temperature sensor and the refrigerator respectively；The control device is according to the temperature
Degree signal controls the working condition of the refrigerator.
2. battery thermal management system according to claim 1, which is characterized in that the air duct includes the first air duct and setting
The second air duct below first air duct；
The air inlet in first air duct is connected to the air outlet of the refrigerator, the air outlet in first air duct and described the
The air inlet in two air ducts is connected to；The air outlet in second air duct is arranged on the battery module.
3. battery thermal management system according to claim 2, which is characterized in that second air duct goes out including at least two
Air port, second duct outlet are arranged on two opposite radiating surfaces of the battery module.
4. battery thermal management system according to claim 3, which is characterized in that the cooling device further includes fan；Institute
State the air inlet that second air duct is arranged in fan；The fan is electrically connected with the control device；
The control device controls the working condition of the fan according to the temperature signal.
5. battery thermal management system according to claim 3, which is characterized in that the air outlet in first air duct is provided with
Grid；The grid is electrically connected with the control device；
The control device controls the openings of sizes of the grid according to temperature signal.
6. battery thermal management system according to claim 1-5, which is characterized in that the control device includes:
Controller, battery management unit and battery acquisition unit；The battery management unit respectively with the battery acquisition unit, institute
State controller electrical connection；
The temperature sensor is electrically connected with the battery acquisition unit；
The refrigerator is electrically connected with the controller；
The battery acquisition unit receives the temperature signal and is sent to the battery management unit；The controller receives institute
The temperature signal of battery management unit transmission is stated, and the temperature of the battery module is obtained according to the temperature signal；
The controller controls the refrigerator and opens when the temperature of the battery module is greater than temperature threshold.
7. battery thermal management system according to claim 6, which is characterized in that the controller is arranged in control cabinet.
8. battery thermal management system according to claim 6, which is characterized in that further include smoke alarm unit；The cigarette
Mist warning device includes the smoke sensor device and Temperature Humidity Sensor being arranged in energy storage container, and is arranged in the energy storage
Alarm outside container；
The smoke sensor device, the Temperature Humidity Sensor and the alarm are electrically connected with the controller respectively；
The smoke sensor device is used to detect the smokescope in the energy storage container, and sends smoke signal to the control
Device；
The Temperature Humidity Sensor is used to detect the gas temperature and humidity in the energy storage container, and sends temperature-humidity signal to institute
State controller；
When the controller judges that the smokescope in the energy storage container is more than smokescope threshold according to the smoke signal
Value, and/or, it is described when judging the temperature and humidity in the energy storage container lower than Threshold of Temperature And Humidity according to the temperature-humidity signal
Controller controls the alarm and issues alarm signal.
9. battery thermal management system according to claim 8, which is characterized in that further include being arranged in the energy storage container
Interior fire fighting extinguisher；The fire fighting extinguisher is electrically connected with the controller；
While the controller controls the alarm sending alarm signal, the controller also controls the fire-fighting fire extinguishing dress
Set starting.
10. a kind of energy storage container, which is characterized in that including cabinet, energy storage cabinet and as claim 1-9 is described in any item
Battery thermal management system；
The energy storage cabinet is placed in the cabinet；The energy storage cabinet includes cabinet body and battery module, the battery module
Mounting surface is fixedly connected by fixing piece with the cabinet body；
The top of the cabinet is arranged in the refrigerator of the battery thermal management system.
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| CN201711419299.4A CN109148999A (en) | 2017-12-25 | 2017-12-25 | Battery thermal management system and energy storage container |
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|---|---|---|---|
| CN201711419299.4A CN109148999A (en) | 2017-12-25 | 2017-12-25 | Battery thermal management system and energy storage container |
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