CN207426078U - Battery energy storage equipment and its heat management system - Google Patents
Battery energy storage equipment and its heat management system Download PDFInfo
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- CN207426078U CN207426078U CN201721507649.8U CN201721507649U CN207426078U CN 207426078 U CN207426078 U CN 207426078U CN 201721507649 U CN201721507649 U CN 201721507649U CN 207426078 U CN207426078 U CN 207426078U
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- battery
- energy storage
- management system
- storage equipment
- heat management
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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 utility model is related to a kind of battery energy storage equipment and its heat management systems, belong to battery energy storage technical field.The utility model on each battery module by setting liquid circulation branch, liquid circulation line is set in the battery pack being made of at least two battery modules, each liquid circulation branch circuit parallel connection is to the liquid circulating pipe road of corresponding battery pack, liquid circulating pipe road is provided with water pump, according to the temperature of each battery module, the liquid circulation branch of the corresponding battery module of control is connected with liquid circulation line forms circulating system, it realizes and the temperature of each battery module is adjusted, it ensure that battery can be operated within the scope of suitable temperature to greatest extent, improve the service life of entire battery energy storage equipment.
Description
Technical field
The utility model is related to a kind of battery energy storage equipment and its heat management systems, belong to battery energy storage technical field.
Background technology
In recent years, energy storage field growth momentum is swift and violent, but due to the temperature characterisitic of battery, in high temperature and low temperature condition
Under, the capacity of battery can be a greater impact or even influence service life, so battery is made to be operated in the temperature range of adaptation
It is interior, it is significant to the stability of energy storage device.Since some base stations are established on mountain, winter is colder, and summer is more
It is hot.Meanwhile for base station lithium battery energy storage battery device it is not only outdoor place, it is necessary to its design of the measures such as waterproof is very closed,
And in order to preferably using solar energy, it is necessary to be placed on sun-drenched place, when be subjected to and be exposed to the sun, seal and be exposed to the sun
Problem so that device radiation is difficult.
And heat management system only considers the temperature control of battery entirety used by current battery energy storage equipment, does not examine
Consider the temperature conditions for forming each battery module in battery entirety.For example, the patent text of Application No. 201620623524.0
Part this document disclose a kind of battery thermal management system of hybrid vehicle, be followed including battery pack temperature control circulation system, cooling
Loop system, heating circulation system and heat exchanger, battery pack temperature control circulation system include temperature control medium pipeline, water pump and deputy tank
Deng battery pack is connected by temperature control medium pipeline with heat exchanger, passes through cooling recirculation system, heating circulation system and heat exchange
Device is used cooperatively, to control the temperature of temperature control medium pipeline, so as to fulfill the adjustment to battery pack temperature.Although the system can
The temperature of battery pack is controlled, is in normal range of operation, but the system can only control the temperature of battery pack on the whole
Degree, can not ensure that the temperature of each battery module in battery pack can be in normal range of operation, so as to influence the longevity of battery pack
Life and work efficiency.
Utility model content
The purpose of this utility model is to provide a kind of battery energy storage equipment, can not be ensured with solving current battery energy storage device
Its each battery module is in the problem of normal working temperature causes to influence entire battery energy storage equipment life and work efficiency；This reality
A kind of heat management system of battery energy storage equipment is additionally provided with new.
The utility model provides a kind of heat management system of battery energy storage equipment to solve above-mentioned technical problem, including with
Lower eight schemes, heat management system scheme one：The heat management system includes the liquid circulation being arranged on each battery module
Branch and the liquid circulation line for being arranged in the battery pack being made of at least two battery modules, each liquid circulation branch
Road is parallel to the liquid circulating pipe road of corresponding battery pack, and the liquid circulating pipe road is provided with water pump.
The utility model is formed by setting liquid circulation branch on each battery module by least two battery modules
Battery pack in liquid circulation line is set, the liquid circulating pipe road of each liquid circulation branch circuit parallel connection to corresponding battery pack, root
According to the temperature of each battery module, the liquid circulation branch of corresponding battery module is controlled to be connected with liquid circulation line and forms loop body
System realizes the temperature adjusting to each battery module, ensure that battery can be operated within the scope of suitable temperature to greatest extent,
Improve the service life of entire battery energy storage equipment.
Heat management system scheme two：On the basis of heat management system scheme one, the liquid circulating pipe road is provided with
Heating plate.The utility model heats the liquid on circulation line by heating plate, is realized by cycling to each battery mould
The liquid heating of circulation branch road, raises each battery module temperature on block.
Heat management system scheme three：On the basis of heat management system scheme one or two, the liquid circulating pipe road is also
It is provided with cooling fin.The utility model radiates to the liquid on circulation line by cooling fin, is realized by cycling to each
The liquid radiating of circulation branch road on battery module reduces each battery module temperature.
Heat management system scheme four：On the basis of heat management system scheme three, the heat management system further includes use
In the radiator fan being arranged in battery pack.The utility model further improves heat dissipation effect by setting radiator fan.
Heat management system scheme five：On the basis of heat management system scheme three, the heat management system further includes use
In the heat dissipation wind channel and wind passage mouth that are arranged in battery pack.The utility model is by setting heat dissipation wind channel and wind passage mouth come further
Improve heat dissipation effect.
Heat management system scheme six：On the basis of heat management system scheme five, the heat management system further includes use
In the air passage in the air passage and the wind passage mouth that are arranged in the battery cupboard comprising at least two battery packs, the battery cupboard and each battery
Wind passage mouth connection in bag.
Heat management system scheme seven：On the basis of heat management system scheme one, the heat management system, which further includes, to be set
The first temperature sensor in a battery module is put, for detecting the battery temperature in battery module.
Heat management system scheme eight：On the basis of heat management system scheme seven, the heat management system further includes use
In the second temperature sensor being arranged on outside battery cupboard, for detecting battery cupboard ambient temperature.
The utility model has also put forward a kind of battery energy storage equipment, including following eight schemes, battery energy storage equipment scheme one：
Including at least two battery packs being arranged in battery cupboard, each battery pack includes at least two battery modules, the battery energy storage
Equipment further includes heat management system, and the heat management system includes the liquid circulation branch being arranged on each battery module and sets
Put the liquid circulation line in battery pack, the liquid circulating pipe road of each liquid circulation branch circuit parallel connection to corresponding battery pack, institute
It states liquid circulating pipe road and is provided with water pump.
Battery energy storage equipment scheme two：On the basis of battery energy storage equipment scheme one, liquid circulating pipe road
It is provided with heating plate.
Battery energy storage equipment scheme three：On the basis of battery energy storage equipment scheme one or two, the liquid circulating pipe
Road is additionally provided with cooling fin.
Battery energy storage equipment scheme four：On the basis of battery energy storage equipment scheme three, the heat management system also wraps
Include the radiator fan being arranged in battery pack.
Battery energy storage equipment scheme five：On the basis of battery energy storage equipment scheme three, the heat management system also wraps
Include the heat dissipation wind channel and wind passage mouth being arranged in battery pack.
Battery energy storage equipment scheme six：On the basis of battery energy storage equipment scheme five, the heat management system also wraps
Include the air passage being arranged in battery cupboard and wind passage mouth, the air passage in the battery cupboard is connected with the wind passage mouth in each battery pack.
Battery energy storage equipment scheme seven：On the basis of battery energy storage equipment scheme one, the heat management system also wraps
The first temperature sensor being arranged in each battery module is included, for detecting the battery temperature in battery module.
Battery energy storage equipment scheme eight：On the basis of battery energy storage equipment scheme seven, the heat management system also wraps
It includes to be arranged on the second temperature sensor outside battery cupboard, for detecting battery cupboard ambient temperature.
Description of the drawings
Fig. 1 is the structure diagram of the utility model battery energy storage equipment；
Fig. 2 is the flow chart for using control method of the utility model battery energy storage equipment.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of embodiment of the battery energy storage equipment of the utility model
The battery energy storage equipment of the utility model includes at least two battery packs, and each battery pack is arranged at a battery cupboard
Interior, each battery pack includes at least two battery modules, in order to realize the accurate tune to each battery module temperature in each battery pack
Section, the battery energy storage equipment of the utility model further includes heat management system, as shown in Figure 1, including being arranged in each battery module
Liquid circulation branch and the liquid circulation line that is arranged in each battery pack, each liquid circulation branch be attempted by corresponding electricity
Liquid circulating pipe road in the bag of pond, each liquid circulating pipe road are provided with water pump.Liquid circulation line in wherein each battery pack
On be correspondingly arranged on heating plate and cooling fin, heating plate, which is arranged on inside battery pack, is adjacent to liquid circulation line, to circulation pipe
Road internal liquid is heated；Heat dissipation wind channel and wind passage mouth are additionally provided in each battery pack, radiation air is also equipped in battery cupboard
Road and wind passage mouth, the wind passage mouth in each battery pack are connected with the heat dissipation wind channel in battery cupboard, to realize to each battery module more
Good heat dissipation, wind passage mouth of the cooling fin inside battery pack are set.To further improve heat dissipation effect, at least one is additionally provided with
A radiator fan dispels backing by radiator fan so that circulation line internal liquid is cooled when passing through cooling fin, heat
The heat dissipation wind channel of battery cupboard is diffused by battery pack wind passage mouth, most goes out, realizes to battery module through battery cupboard wind passage mouth afterwards
Heat dissipation.In order to realize the detection to battery module temperature, the utility model set temperature sensor also in each battery module,
To improve detection accuracy, temperature sensor is arranged on the battery pole ear in battery module, meanwhile, in order to detect external environment
Temperature, the utility model is also in the external environment set temperature sensor residing for battery cupboard.
When needing heat dissipation higher than normal working temperature there are the temperature of battery module, water pump is opened so that corresponding battery
Module liquid circulation branch cycles in the liquid circulation line inside battery module and in battery pack, and circulation line can pass through
Then cooling fin inside battery pack, wind passage mouth of the cooling fin inside battery pack are opened radiator fan and are dispelled as needed
Backing so that circulation line internal liquid is cooled when passing through cooling fin, and heat is diffused by battery pack radiation air road junction
Battery cupboard air passage is most gone out through battery cupboard wind passage mouth afterwards.It is cycled through overcooled liquid using circulation line and flows into battery mould
Circulation branch road inside block, so as to reduce the temperature of corresponding battery module.To improve heat dissipation effect, PID control fan is used
The quantity of unlatching, the rotating speed of water pump and connection battery pack to the wind passage mouth in battery cupboard air passage aperture so that temperature stabilization exists
The Near Threshold that need to reach.
When needing heating less than normal working temperature there are the temperature of battery module, water pump is opened so that corresponding battery
It is cycled in liquid circulation line of the liquid inside the circulation branch road and battery pack inside battery module inside module, simultaneously
Heating plate is opened, heating plate, which is placed on, is adjacent to internal circulation line inside battery pack, circulation line internal liquid is added
Heat flows back in the circulation branch road in battery module after the liquid of circulation line is heated and battery is heated so that electricity
The temperature in pond improves, and to improve temperature regulation effect, uses PID control heater gear and the rotating speed of water pump so that temperature
Stablize in the Near Threshold that need to reach.
In order to improve to the temperature controlled accuracy of energy storage device, charge and discharge shape of the utility model also by detecting battery
State controls battery temperature, and flow is as shown in Fig. 2, detailed process is as follows in the temperature range of corresponding states.
1. carrying out temperature acquisition by temperature sensor, adopted including the acquisition to environment temperature T1 and to battery temperature T2
Collection.
2. adjusted according to the temperature T1 of acquisition and T2 sizes into trip temperature, make battery temperature maintain the first temperature threshold with
Between 6th temperature threshold.
Before being adjusted according to battery charging condition into trip temperature, now the temperature of battery is controlled to the section of setting, this
For embodiment between the first temperature threshold and the 6th temperature threshold, the first temperature threshold is less than the 6th temperature threshold, specific
The performance of value and battery itself is related.If temperature is less than the first temperature threshold, battery energy storage equipment is heated, makes electricity
The temperature of pond energy storage device is maintained to the first temperature threshold；If temperature is more than the first temperature threshold, and is more than the 6th temperature threshold,
It then radiates to battery energy storage equipment, the temperature of battery energy storage equipment is made to maintain the 6th temperature threshold.
When detecting that T1 and T2 is respectively less than the first temperature threshold, battery and external ventilation opening are closed, water pump is opened, makes
The heater being arranged on PID control on circulation line, the liquid for making to be heated are flowed in circulation line so that battery module
Interior battery temperature stabilization is in first threshold；If T1 is more than first threshold, T2 is less than first threshold, then opens water pump and setting
Heater on circulation line, the liquid for making to be heated are flowed in circulation line so as to correspond to battery temperature in battery module
Reach first threshold；If T1 and T2 is all higher than the 6th threshold value, battery and external ventilation opening are opened, opens water pump, is used
PID control fan blows the cooling fin being arranged on circulation line, and cooled liquid is made to be flowed in circulation line so that battery
Battery temperature stabilization is in the 6th threshold value in module；If T2 is more than the 6th threshold value, T1 is less than the 6th threshold value, then open battery with it is outer
The ventilation opening in portion opens water pump and fan, cooled liquid is made to be flowed in circulation line so that battery temperature in battery module
Degree reaches the 6th threshold value.
3. judging the state of battery energy storage equipment, if battery energy storage equipment is in charge or discharge state, it is right to obtain its
The charging current or discharge current answered.
When battery is maintained between the first temperature threshold and the 6th temperature threshold, the charge and discharge of battery energy storage equipment are judged
When battery energy storage equipment is in charged state, charging current is drawn according to SOP for state, when battery energy storage equipment is in electric discharge
During state, discharge current is drawn according to SOP.
4. corresponding temperature range, the temperature of regulating cell energy storage device are determined according to the size of charging current or discharge current
Degree, makes battery energy storage equipment be in charging current or the corresponding temperature range of discharge current.
During according to the big minor adjustment temperature of charging current, charging current can be divided into multiple class according to actual conditions,
Each class corresponds to a mild temperature.Charging current is divided into two class, the first charging current and second by the present embodiment
Charging current, temperature corresponding with the first charging current are second temperature threshold value, and temperature corresponding with the second charging current is the
Three temperature thresholds.When battery charge is the first charging current, judge whether battery energy storage equipment is more than second temperature threshold
Value, if more than then radiating to the battery energy storage equipment, if being less than, being heated to the battery energy storage equipment, make battery
The temperature of energy storage device is maintained second temperature threshold value；When battery charge is the second charging current, battery energy storage is judged
Whether equipment is more than the 3rd temperature threshold, if more than then radiating to the battery energy storage equipment, if being less than, to the battery
Energy storage device is heated, and the temperature of battery energy storage equipment is made to be maintained the 3rd temperature threshold.First in the present embodiment charges
The scope of electric current is (0.8,1), and the scope of the second charging current is (0.3,0.8).
During according to the big minor adjustment temperature of discharge current, discharge current can be divided into multiple class according to actual conditions,
Each class corresponds to a mild temperature.Discharge current is divided into two class, the first discharge current and second by the present embodiment
Discharge current, temperature corresponding with the first discharge current are the 4th temperature threshold, and temperature corresponding with the second discharge current is the
Five temperature thresholds.When battery discharge current is the first discharge current, judge whether battery energy storage equipment is more than the 4th temperature threshold
Value, if more than then radiating to the battery energy storage equipment, if being less than, being heated to the battery energy storage equipment, make battery
The temperature of energy storage device is maintained the 4th temperature threshold；When battery discharge current is the second discharge current, battery energy storage is judged
Whether equipment is more than the 5th temperature threshold, if more than then radiating to the battery energy storage equipment, if being less than, to the battery
Energy storage device is heated, and the temperature of battery energy storage equipment is made to be maintained the 5th temperature threshold.The first electric discharge in the present embodiment
The scope of electric current is (0.8,1), and the scope of the second discharge current is (0.3,0.8).
The above is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model, therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain of profit requirement.
Claims (16)
1. a kind of heat management system of battery energy storage equipment, which is characterized in that the heat management system includes being arranged on each electricity
Liquid circulation branch in the module of pond and the liquid for being arranged in the battery pack being made of at least two battery modules follow
Endless tube road, the liquid circulating pipe road of each liquid circulation branch circuit parallel connection to corresponding battery pack, the liquid circulating pipe road are set
There is water pump.
2. the heat management system of battery energy storage equipment according to claim 1, which is characterized in that the liquid circulation line
On be provided with heating plate.
3. the heat management system of battery energy storage equipment according to claim 1 or 2, which is characterized in that the liquid circulation
Cooling fin is additionally provided on pipeline.
4. the heat management system of battery energy storage equipment according to claim 3, which is characterized in that the heat management system
Further include the radiator fan being arranged in battery pack.
5. the heat management system of battery energy storage equipment according to claim 3, which is characterized in that the heat management system
Further include the heat dissipation wind channel and wind passage mouth being arranged in battery pack.
6. the heat management system of battery energy storage equipment according to claim 5, which is characterized in that the heat management system
Further include to be arranged on the air passage in the battery cupboard comprising at least two battery packs and wind passage mouth, the air passage in the battery cupboard
It is connected with the wind passage mouth in each battery pack.
7. the heat management system of battery energy storage equipment according to claim 1, which is characterized in that the heat management system
The first temperature sensor being arranged in a battery module is further included, for detecting the battery temperature in battery module.
8. the heat management system of battery energy storage equipment according to claim 7, which is characterized in that the heat management system
It further includes to be arranged on the second temperature sensor outside battery cupboard, for detecting battery cupboard ambient temperature.
9. a kind of battery energy storage equipment, including at least two battery packs being arranged in battery cupboard, each battery pack is included at least
Two battery modules, which is characterized in that the battery energy storage equipment further includes heat management system, and the heat management system includes setting
Liquid circulation branch on each battery module and the liquid circulation line being arranged in battery pack, each liquid circulation branch is simultaneously
The liquid circulating pipe road of corresponding battery pack is linked to, the liquid circulating pipe road is provided with water pump.
10. battery energy storage equipment according to claim 9, which is characterized in that the liquid circulating pipe road is provided with
Heating plate.
11. the battery energy storage equipment according to claim 9 or 10, which is characterized in that the liquid circulating pipe road is also
It is provided with cooling fin.
12. battery energy storage equipment according to claim 11, which is characterized in that the heat management system further includes setting
Radiator fan in battery pack.
13. battery energy storage equipment according to claim 11, which is characterized in that the heat management system further includes setting
Heat dissipation wind channel and wind passage mouth in battery pack.
14. battery energy storage equipment according to claim 13, which is characterized in that the heat management system further includes setting
Air passage and wind passage mouth in battery cupboard, the air passage in the battery cupboard are connected with the wind passage mouth in each battery pack.
15. battery energy storage equipment according to claim 9, which is characterized in that the heat management system further includes setting
The first temperature sensor in each battery module, for detecting the battery temperature in battery module.
16. battery energy storage equipment according to claim 15, which is characterized in that the heat management system, which further includes, to be used for
The second temperature sensor being arranged on outside battery cupboard, for detecting battery cupboard ambient temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507649.8U CN207426078U (en) | 2017-11-13 | 2017-11-13 | Battery energy storage equipment and its heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721507649.8U CN207426078U (en) | 2017-11-13 | 2017-11-13 | Battery energy storage equipment and its heat management system |
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| Publication Number | Publication Date |
|---|---|
| CN207426078U true CN207426078U (en) | 2018-05-29 |
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ID=62306111
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721507649.8U Active CN207426078U (en) | 2017-11-13 | 2017-11-13 | Battery energy storage equipment and its heat management system |
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| Country | Link |
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| CN (1) | CN207426078U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799848A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of battery energy storage equipment and its heat management system |
| CN111987384A (en) * | 2020-08-27 | 2020-11-24 | 中国华能集团清洁能源技术研究院有限公司 | Centralized energy storage equipment thermal management system and working method thereof |
| CN113056155A (en) * | 2019-12-26 | 2021-06-29 | 奥动新能源汽车科技有限公司 | External heat exchange circulation control method for battery replacement station |
-
2017
- 2017-11-13 CN CN201721507649.8U patent/CN207426078U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799848A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of battery energy storage equipment and its heat management system |
| CN107799848B (en) * | 2017-11-13 | 2023-11-21 | 河南森源电气股份有限公司 | Battery energy storage equipment and thermal management system thereof |
| CN113056155A (en) * | 2019-12-26 | 2021-06-29 | 奥动新能源汽车科技有限公司 | External heat exchange circulation control method for battery replacement station |
| CN113056155B (en) * | 2019-12-26 | 2024-05-31 | 奥动新能源汽车科技有限公司 | External heat exchange circulation control method for power exchange station |
| CN111987384A (en) * | 2020-08-27 | 2020-11-24 | 中国华能集团清洁能源技术研究院有限公司 | Centralized energy storage equipment thermal management system and working method thereof |
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