CN104157932B - Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly - Google Patents
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly Download PDFInfo
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- CN104157932B CN104157932B CN201410425413.4A CN201410425413A CN104157932B CN 104157932 B CN104157932 B CN 104157932B CN 201410425413 A CN201410425413 A CN 201410425413A CN 104157932 B CN104157932 B CN 104157932B
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- lithium cell
- ferric phosphate
- phosphate lithium
- battery
- circulating
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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
Abstract
The invention discloses a kind of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly, be made up of ferric phosphate lithium cell high-pressure system and two parts of temperature control system；Ferric phosphate lithium cell high-pressure system includes by multiple set of cells, wire, power-supply controller of electric, Battery case and fixing chuck plate；Temperature control system includes circulating water pipeline, water tank, water pump, adds heat pipe and temperature sensor, temperature-control circuit；It is characterized in that: the battery core matrix that set of cells is arranged by the battery of multiple series-parallel connections forms, it is connected to form high tension loop by conductive metal sheet before and after battery core matrix, being provided with reserved vacant space in battery core matrix, circulating water pipeline distribution is interspersed in described vacant space；Circulating water pipeline is connected with water tank to constitute and closes space.The present invention temperature by temperature sensor measurement set of cells environment, controls water pump according to ambient temperature, adds the power of heat pipe.The present invention has simple in construction, and internal battery pack space availability ratio is high, structural strength advantages of higher.
Description
Technical field
The present invention relates to ferric phosphate lithium cell group, specifically a kind of water circulating-heating type honeycomb structure phosphoric acid
Lithium iron battery assembly.
Background technology
At present, ferric phosphate lithium cell is widely used in its superior chemical property and environment friendly
The fields such as energy storage, electric tool, electric vehicle；Ferric phosphate lithium cell group is special with its high security and long-life
Property and to be widely used in back-up source (UPS), the pulse power, peak load regulation network, startup power supply and mixing dynamic
Power cars etc., are different from traditional lead acid batteries, and ferric phosphate lithium cell is mixed by each little lithium iron phosphate battery core
Connection forms, and has preferable high temperature resistant property and explosion-proof performance.
Ferric phosphate lithium cell service behaviour at low temperatures can be affected, and charges below zero degrees celsius, battery
Negative pole can produce lithium Zhi Jing, and Zhi Jinghui causes the short circuit of battery to make cell damage；Additionally, under low temperature
During battery charging, heat effect increases, and work efficiency reduces, and the capacity of guiding discharge can be greatly lowered, and
And along with the increase capacity of cycle-index can accelerate decay, thus shorten the service life of ferric phosphate lithium cell group.
The patent document of Application No. 201020271569.9 proposes one by recirculated water and with cooling down outside battery
The lithium battery chiller of shell, the temperature of battery can be adjusted by this design, but can not be the most right
The uniformity of temperature is adjusted；The patent document of Application No. 201210113856.0 proposes one by right
The method of the heating film of battery surface wrap resistive heater, carries out temperature control to it, but due to battery core quantity
Numerous, packing technology is complex, relatively costly, and the stability of its structure is by membrane material and heating material
The impact of material is relatively big, and the interference to battery also cannot be avoided, and except heating function, other are not favourable
In battery operated effect.Ferric phosphate lithium cell itself has preferable resistance to elevated temperatures simultaneously, it is not necessary to volume
The device of outer design battery cooling.
Summary of the invention
Present invention is generally directed to the single small volume of ferric phosphate lithium cell, in set of cells, quantity is more, if adopted
Increase bulk density by close-connected mode, the distance between each battery can be made to reduce, to its shadow that dispels the heat
Ring big, and ferric phosphate lithium cell is poor at sub-zero charge-discharge performance, charge/discharge capacity only design
The defects such as the half of value, thus a kind of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly is provided.This
Invention is main uses honeycomb type structure to arrange, period interts water channel, and circulating water pipeline is connected with water tank and arranges
The structures such as the temperature sensor in water tank, thus reach to increase the service life in low temperature environment, effectively profit
Using battery space, the operating ambient temperature of conservative control ferric phosphate lithium cell, structural strength is high, stability
Good effect.
The technological means that the present invention uses is as follows:
A kind of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly, by ferric phosphate lithium cell high-pressure system
With temperature control system two part composition；
Described ferric phosphate lithium cell high-pressure system includes by multiple set of cells, wire, power-supply controller of electric, battery
Casing and the fixing chuck plate of fixing described Battery case, fixing anchor bolt etc.；
Described temperature control system includes circulating water pipeline, water tank, is provided with water pump, adds heat pipe in described water tank
And temperature sensor, described water pump, described in add heat pipe and be connected with temperature-control circuit with described temperature sensor
Connect；Described temperature-control circuit is connected with described power-supply controller of electric；It is characterized in that:
Described set of cells is arranged by the battery of multiple series-parallel connections (series, parallel or series connection add parallel connection)
Battery core matrix forms, and is connected to form high tension loop, described electricity by conductive metal sheet before and after described battery core matrix
Being provided with reserved vacant space in core matrix, the distribution of described circulating water pipeline is interspersed in described vacant space；
Described circulating water pipeline is connected with described water tank to constitute and closes space.
It is provided with described solid outside the coupled structure that structurally circulating water pipeline, water tank and battery core matrix etc. are constituted
Determining clamp, fixing chuck plate is connected with Battery case, and described coupled structure is risen fixation.
In the present invention, by the program of temperature-control circuit is integrated in the middle of described power-supply controller of electric,
When battery pack temperature exceedes normal range of operation, automatically turn on and carry out temperature regulation.
Further, the arrangement mode of described battery is honeycomb arrangement mode.Concrete form is: battery
Core, with the form shown in Fig. 2, successively arranges, closely coupled between the battery of every layer, the battery of last layer
The distance differing half cell diameter of core and next layer, and closely press close to next layer, in the process of arrangement
In, there is a layer being provided with circulating water pipeline in every alternating floor, has the layer of circulating water pipeline every a battery
Core arranges a circulating water pipeline.Circulating water pipeline is identical with battery diameter, closely coupled with battery.
Described circulating water pipeline is evenly arranged in described battery core matrix, and cellular battery is staggered with water channel, closes
Reason utilizes space in set of cells.
Further, at least two described circulating water pipelines around each described battery.
Further, being additionally provided with heat abstractor outside described water tank, heat abstractor is i.e. with the temperature control of refrigerating function
System, including the fin installed outside water tank, the fan installed on Battery case, in temperature-control circuit
Add high-temperature control function.
Further, described temperature sensor uses the temperature-sensitive elements such as thermocouple to feed back temperature signal.
Further, add heat pipe described in and use the resistance heater of exterior insulation.
Further, described circulating water pipeline uses corrosion-resistant tubing, can use the materials such as pack alloy,
Improve structural strength and heat transfer efficiency；Described water channel plays water conservancy diversion, heat conduction and fixes two effects.
Compared with the prior art, the invention have the advantages that
1, it is uniformly distributed circulating water pipeline around ferric phosphate lithium cell Battery pack core of the present invention, works as battery pack temperature
During less than normal working temperature, the heater in water tank starts, it is ensured that battery pack temperature is not less than its work
Temperature, has been effectively ensured ferric phosphate lithium cell group under conditions of external temperature is relatively low, has still had preferable charge and discharge
Electrical property, improves ferric phosphate lithium cell group service behaviour under cryogenic, effectively extends iron phosphate
Lithium battery group service life under cryogenic.When temperature reaches the maximum temperature set, add in water tank
Thermal quits work the damage effectively preventing set of cells from causing battery because temperature is too high, improves LiFePO4
The safety that set of cells uses, extends the service life of lithium iron phosphate storage battery group further.
2, the present invention is uniformly distributed circulating water pipeline around ferric phosphate lithium cell Battery pack core, with set of cells electricity
Chi Xin becomes honeycomb arrangement, it is ensured that the uniform temperature fields around battery cell core.
3, the arrangement form of circulating water pipeline pipeline of the present invention composition cincture around can improve whole set of cells
Intensity, it is ensured that the safety of structure structural safety of set of cells.
The present invention is conducive to the practical and development in the future of product for the foregoing reasons.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is battery core matrix and the circulation of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention
The structural representation of waterpipe.
Fig. 2 is battery core matrix and the circulation of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention
The arrangement schematic diagram of waterpipe.
Fig. 3 is the temperature control schematic diagram of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention.
Fig. 4 is the schematic diagram of the water circulating-heating type honeycomb structure many set of cells of ferric phosphate lithium cell assembly of the present invention.
Fig. 5 is the water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention knot with heat abstractor
Structure schematic diagram.
Fig. 6 is the water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention temperature with heat abstractor
Control schematic diagram.
Fig. 7 is that water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly of the present invention is when being made up of many set of cells
Structural representation with cooling system.
In figure: 1, battery core matrix 2, circulating water pipeline 3, set of cells 4, add heat pipe 5, water tank 6, water
Pump 7, thermocouple 8, power-supply controller of electric 9, fin 10, conductive metal sheet 11, exhaust fan 12, control
Molding block 13, air inlet 14, cleaner
Detailed description of the invention
A kind of water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly, by ferric phosphate lithium cell high-pressure system
With temperature control system two part composition；Described ferric phosphate lithium cell high-pressure system include by multiple set of cells,
Wire, power-supply controller of electric, Battery case and the fixing chuck plate of fixing described Battery case, fixing anchoring
Bolt etc.；Described temperature control system includes circulating water pipeline, water tank, is provided with water pump, adds in described water tank
Heat pipe and temperature sensor, described water pump, described in add heat pipe and described temperature sensor and temperature-control circuit
It is connected；Described temperature-control circuit is connected with described power-supply controller of electric；Described set of cells is by multiple series-parallel connections (string
Connection, add parallel connection in parallel or series) the battery core matrix composition of battery arrangement, before described battery core matrix
After be connected to form high tension loop by conductive metal sheet, described battery core matrix is provided with reserved vacant space,
The distribution of described circulating water pipeline is interspersed in described vacant space；Described circulating water pipeline is connected with described water tank
Constitute and close space.At least two described circulating water pipelines around each described lithium iron phosphate battery core.Institute
Stating water channel to be connected with described water tank, described water tank is connected with water pump.Described temperature sensor uses thermocouple.
The described heat pipe that adds uses the resistance heater of exterior insulation.Described circulating water pipeline uses corrosion-resistant tubing i.e. to press
Cast aluminium alloy pipeline.
Embodiment 1
As shown in Figure 1 and Figure 2, ferric phosphate lithium cell group 3 is formed by the arrangement of multiple battery core matrixes 1, battery
Being connected by the conductive material such as nickel sheet or copper sheet, outside is made up of solid other high-strength insulating material such as engineering plastics
Determine clamp.The circulating water pipeline 2 of temperature control passes space and battery joint, the cellular row that battery is stacked
Mode for cloth can ensure side at least two circulating water pipelines 2 of each battery.
As it is shown on figure 3, circulating water pipeline 2 is internal through battery core matrix 1, form loop, with water tank 5,
Water pump 6 is connected, and water is pumped out from outlet by water pump 6, and after circulation, water returns in water tank 5 from water return outlet
Portion, temperature inversion can be that the signal of telecommunication flows to control electricity by the internal thermocouple 7 that is disposed with of circulating water pipeline 2
Road, control circuit controls pump power according to water temperature.As shown in Figure 5,6, when necessary, can be by water tank 5
Upper layout fin 9, is delivered to outside by unnecessary water tank heat.
Temperature-control circuit can be controlled by easy circuit board, it is possible to is integrated into ferric phosphate lithium cell
Power-supply controller of electric 8 in the middle of, on circuit board arrange the element such as transformator and 24v accumulator, phosphoric acid can be passed through
Lithium iron battery is powered to control circuit, gives a warning when battery electric quantity deficiency.Temperature-control circuit is to phosphoric acid
The charging process of lithium iron battery is managed, and when ambient temperature is relatively low, the most first controls system to temperature
System power supply preheats, and when internal battery pack temperature reaches suitable operating temperature, starts normal charge and discharge
Electricity work.
Embodiment 2
As shown in Figure 4, ferric phosphate lithium cell group is lined up multiple row side by side by multiple set of cells 3 and is constituted, battery case
Body carries out sealing thermal insulation design, it addition, as it is shown in fig. 7, be also provided with cleaner 14, air inlet 13,
Exhaust fan 11 and control module 12 etc..Entered by air inlet 13 by air filter 14 external compressed air
Entering, the hot-air in battery case is got rid of by exhaust fan 11 by exhaust outlet, and exhaust fan 11 is closed, anti-
Only dust enters.When temperature is higher, exhaust fan 11 and air inlet 13 are opened, and cold air is blown into, and heat is empty
Gas is discharged；When the temperature is low, each mouth seals, and keeps Battery case temperature.According to different model battery
Heating power is different, can enter by increasing and decreasing the number of circulating water pipeline, fin height, water tank size,
The size of return flume is adjusted, and chooses suitable thermocouple position.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (6)
1. a water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly, by ferric phosphate lithium cell high pressure system
System and temperature control system two part composition；
Described ferric phosphate lithium cell high-pressure system includes by multiple set of cells, wire, power-supply controller of electric, battery
Casing and the fixing chuck plate of fixing described Battery case；
Described temperature control system includes circulating water pipeline, water tank, is provided with water pump, adds heat pipe in described water tank
And temperature sensor, described water pump, described in add heat pipe and be connected with temperature-control circuit with described temperature sensor
Connect；Described temperature-control circuit is connected with described power-supply controller of electric；
It is characterized in that:
The battery core matrix that described set of cells is arranged by the battery of multiple series-parallel connections forms, described battery core matrix
Front and back it is connected to form high tension loop by conductive metal sheet, described battery core matrix is provided with reserved vacant space,
The distribution of described circulating water pipeline is interspersed in described vacant space；Described circulating water pipeline is connected with described water tank
Constitute and close space；The arrangement mode of described battery is honeycomb arrangement mode, and described circulating water pipeline is equal
Even it is arranged in described battery core matrix.
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly the most according to claim 1, it is special
Levy and be: at least two described circulating water pipelines around each described battery.
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly the most according to claim 1, it is special
Levy and be: outside described water tank, be additionally provided with heat abstractor.
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly the most according to claim 1, it is special
Levy and be: described temperature sensor uses thermocouple.
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly the most according to claim 1, it is special
Levy and be: described in add heat pipe use exterior insulation resistance heater.
Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly the most according to claim 1, it is special
Levy and be: described circulating water pipeline uses corrosion-resistant tubing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425413.4A CN104157932B (en) | 2014-08-26 | 2014-08-26 | Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly |
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| CN201410425413.4A CN104157932B (en) | 2014-08-26 | 2014-08-26 | Water circulating-heating type honeycomb structure ferric phosphate lithium cell assembly |
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| CN104157932A CN104157932A (en) | 2014-11-19 |
| CN104157932B true CN104157932B (en) | 2016-08-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666029A (en) * | 2016-07-29 | 2018-02-06 | 江苏兴云新能源有限公司 | A kind of battery bag radiating, heating system |
| CN106921006A (en) * | 2017-04-24 | 2017-07-04 | 西安科技大学 | A kind of battery thermostat and system |
| CN111200173A (en) * | 2018-11-20 | 2020-05-26 | 吉林大学 | Novel power battery pack heat dissipation device and heat dissipation method |
| CN111127747A (en) * | 2019-12-11 | 2020-05-08 | 新石器慧通（北京）科技有限公司 | Unmanned wagon with heating function |
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| CN103943913A (en) * | 2014-04-17 | 2014-07-23 | 华南理工大学 | Pure electric vehicle power battery cooling and heating device with liquid cooling plate |
| CN204011606U (en) * | 2014-08-26 | 2014-12-10 | 大连理工大学 | Water circulation hot type honeycomb structure ferric phosphate lithium cell assembly |
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2014
- 2014-08-26 CN CN201410425413.4A patent/CN104157932B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11118284A (en) * | 1997-10-15 | 1999-04-30 | Rinnai Corp | Heat utilizing system utilizing hydrogen absorbing alloy |
| CN101263629A (en) * | 2005-09-13 | 2008-09-10 | 法雷奥电机设备公司 | Compact electric power supply device for a motor vehicle |
| CN102468523A (en) * | 2010-11-18 | 2012-05-23 | 上海鼎研智能科技有限公司 | Battery temperature control system for cars |
| CN102064306A (en) * | 2010-12-15 | 2011-05-18 | 常承立 | Long-acting large-capacity lead-bearing lithium battery |
| CN102751546A (en) * | 2012-06-14 | 2012-10-24 | 方春怡 | Power battery having temperature control device |
| CN202871938U (en) * | 2012-10-24 | 2013-04-10 | 上海汽车集团股份有限公司 | Battery heat exchange device, battery cooling system and vehicle |
| CN103943913A (en) * | 2014-04-17 | 2014-07-23 | 华南理工大学 | Pure electric vehicle power battery cooling and heating device with liquid cooling plate |
| CN204011606U (en) * | 2014-08-26 | 2014-12-10 | 大连理工大学 | Water circulation hot type honeycomb structure ferric phosphate lithium cell assembly |
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