CN206116561U - A heating system and battery module for cylinder battery module - Google Patents
A heating system and battery module for cylinder battery module Download PDFInfo
- Publication number
- CN206116561U CN206116561U CN201621010925.5U CN201621010925U CN206116561U CN 206116561 U CN206116561 U CN 206116561U CN 201621010925 U CN201621010925 U CN 201621010925U CN 206116561 U CN206116561 U CN 206116561U
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- Prior art keywords
- heating system
- battery
- heating
- cylindrical battery
- battery module
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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 159
- 238000009413 insulation Methods 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000741 silica gel Substances 0.000 claims description 26
- 229910002027 silica gel Inorganic materials 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 229960001866 silicon dioxide Drugs 0.000 description 23
- 230000005611 electricity Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- IAIWVQXQOWNYOU-FPYGCLRLSA-N nitrofural Chemical compound NC(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 IAIWVQXQOWNYOU-FPYGCLRLSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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 utility model discloses a heating system of cylinder battery module, include the heating system who is connected with battery management system, heating system is including the insulation fixing plate who has a holding hole at least, at the downthehole parallelly connected PTC heating element who has the heating and detect battery module temperature of at least one or more that is equipped with of holding, be equipped with the metal electrode board on the surface respectively in PTC heating element's both sides, the left and right sides of every block of metal electrode board is equipped with the pin respectively, is equipped with the grafting foot on the pin, and the grafting foot sets up at insulation fixing plate on the surface, heating system is connected with battery management system through the wire through the grafting foot, is equipped with series thermal silica on the surface respectively in the outside of metal electrode board, is equipped with the concave part more than two on series thermal silica's the lateral surface respectively. The utility model also provides a battery module still includes heating system. Compared with the prior art, other temperature sensor that need not to reuse have reduced the setting of part, have reduced manufacturing cost.
Description
Technical field
The utility model is related to a kind of electrokinetic cell, in particular a kind of to be used for pure electric vehicle or hybrid electric vehicle and storage
The heating system and battery modules of the cylindrical battery module of electric energy device.
Background technology
At present there are more and more, existing and following pure electricity in our life in pure electronic and oil and electricity hybrid vehicle
Dynamic and oil and electricity hybrid vehicle is mostly using lithium-ion-power cell as power resources, and lithium ion battery is under high and low temperature
Performance, reliability and life-span compared with normal temperature when have decline by a relatively large margin.When battery modules are used at low ambient temperatures, it is necessary to
Heated to battery modules using heating system, make battery reach suitable temperature and start charge/discharge operation again.Lithium ion battery
In use for some time, each battery has different degrees of aging module, and its internal resistance can become big, the resistance of Individual cells in-core
Amplitude of variation can produce substantial amounts of heat considerably beyond mean value in electric discharge, and especially under hot environment, heat is easily accumulated
It is poly-, it is necessary to make its timely radiating, make battery reach suitable temperature.Equally, the battery modules of power energy storage equipment there is also
Problem above.
Battery mode of heating in the market is generally circulating liquid heating or warm braw heating and in battery ambient cloth
Put PET heating films, silica gel heating plate, PTC heating plates etc., circulating liquid mode of heating has that complex structure, efficiency is low, reliability
The shortcomings of low, high cost, warm braw heating has slow programming rate, non-uniform temperature, easily produce heat localization, energy consumption height etc. lacks
Point, using fewer and feweri, more be to use the heating sides such as PET heating films, silica gel heating plate or PTC heating plates to both modes
Formula.
PET heating films and silica gel heating plate both modes have the disadvantage that：PET heating films and silica gel heating intralamellar part are sent out
Thermal part is lectrothermal alloy wire, and temperature is wayward, and local temperature difference is big, and fragile insulating barrier causes electric leakage, so as to easily cause
Security incident；
PTC heating plates have the disadvantage that：(such as the application for a patent for invention of Application No. 201510634026.6).
1st, heating rate is slow, and local temperature difference is big
It is longer the time required to being attached to the outside of battery pack, heat transfer to battery pack centre due to PTC heating plates, make
Obtain battery pack centre heating rate slower；Also result in battery pack each battery temperature difference larger, performance to battery and
There is considerable influence in life-span.
2nd, the efficiency of heating surface is low and big energy-consuming
PTC heating plates can be a big chunk heat transfer to battery-pack exterior casing and air because of the structure that its two sides all generates heat
In, cause the efficiency of heating surface low, consume electric energy many.
3rd, security is poor
PTC heating plates are placed in battery modules surface, will battery pack or battery positive and negative electrode extend to case surface, plus
Hot plate is heated to positive and negative electrode, then conducts heat to module internal, and a heating plate typically contacts multiple battery packs or electricity simultaneously
The positive and negative electrode of Chi Xin, if heating plate Long-Time Service is in vibration environment, its insulating outer layer can be damaged, then may cause battery
Positive and negative electrode short circuit, causes cell damage, causes security incident.
4th, PTC heating plates weight is big, and PTC heating plates are using aluminium alloy as fixed PTC heater elements and the machine of radiating
Component, unit intensity is big, increased the overall weight of battery modules, reduces the specific energy parameter of battery modules, affects vehicle
Course continuation mileage.
For cylindrical battery, the above each shortcoming is especially apparent, because its shell is in cylinder, the contact surface with heating plate
Product very little, the efficiency of heat transfer is worse, general to increase the larger silicagel pad of weight using gap in order to bring up to the thermal efficiency
Mode.But being unable to effectively solving problem increases the gross weight of battery pack simultaneously.
To be used simultaneously with external multiple temperature sensors with upper heater, temperature sensor transfers signals to battery
Management system (i.e. BMS), battery management system (i.e. BMS) judges whether to allow heater to work, and makes battery be maintained at rational temperature
Degree scope.
The content of the invention
The purpose of this utility model is to provide one kind for cylindrical battery module heating system and battery modules, to solve
Technical problem be so that heating is more uniform quick, improve the efficiency of heating surface, shorten the heat time, reduce energy ezpenditure so that
Battery modules are more safe and reliable, the resistance value that battery management system passes through reading PTC heating element heaters, so as to obtain battery in real time
The current operating temperature of each battery unit in module, without the need for reusing other temperature sensors, reduces the setting of part, drop
Low production cost.
To solve the above problems, on the one hand the utility model provides a kind of heating system for cylindrical battery module
System, including the heating system being connected with battery management system, the heating system is provided with least one, and heating system is included at least
Insulation fixing plate with an accommodating hole；Having at least one or more parallel connection is provided with the accommodating hole of insulation fixing plate
Heating and the PTC heater elements of detection battery modules temperature, PTC heater elements can be laid in the accommodating hole of insulation fixing plate
In；Metal electrode board is respectively equipped with the both side surface of PTC heater elements, the left and right sides of every piece of metal electrode board sets respectively
There is pin, pin 8 is provided with the inserting foot for connecting with wire or adjacent heating system, and inserting foot is arranged on insulation fixing plate
Surface on；While both side surface on the surface of two pieces of metal electrode boards and PTC heater elements is brought into close contact, PTC heatings
The positive pole of element is also contacted with one of metal electrode plate surface, and negative pole is contacted with the surface of another piece of metal electrode board, plus
Hot systems are connected by inserting foot Jing wires with battery management system, and on the outer surface of metal electrode board heat conduction is respectively equipped with
Silica gel, is respectively equipped with plural recess on the lateral surface of each heat conductive silica gel, the section of recess is arc.
Further, the insulation fixing plate is a rectangular slab, the height of insulation fixing plate and the length of cylindrical battery
Degree is equal.
Further, the insulation fixing plate is made up of plastic material.
Further, the PTC heater elements are PTC-ceramic thermistor element.
Further, it is provided with insulation board between two neighboring recess.
Further, the heating system is mutual by inserting foot between two neighboring heating system at least provided with two
Series connection.
Further, the accommodating hole is provided with more than two, and two accommodating holes are disposed on insulation fixing plate, in phase
Insulation division is equipped between two adjacent accommodating holes, a PTC heater element is provided with each accommodating hole.
On the other hand the utility model provides a kind of battery modules, including the cylindrical battery of rectangular array, also
Including described heating system, gap is equipped between two neighboring cylindrical battery, between adjacent rows cylindrical battery
Gap in the ranks is constituted, row gap is constituted between adjacent two row cylindrical battery；Heating system is arranged in gap in the ranks or row gap
It is being arranged in recess with the cylindrical battery of recess location corresponding section, shell and the recess of the cylindrical battery are closely pasted
Close.
Further, be expert at gap or row gap in be also filled with Heat Conduction Material.
Further, the Heat Conduction Material is heat conductive silica gel.
Compared with prior art, arranging between the battery in cylindrical battery module can insert each other the utility model
The modular heating system for connecing so that connect without using traditional wire between multiple heating systems, usage quantity is flexible
It is changeable, and conductive reliability is high, and the outside of heating system is provided with the Heat Conduction Material fitted with battery case so that heating system
Each battery can be transferred heat to, not only heating rate is fast, and the temperature difference between each battery is little, improve the efficiency of heating surface, be subtracted
Few energy ezpenditure, after battery modules normal work, the resistance value that battery management system passes through reading PTC heating element heaters, so as to
The current operating temperature of each battery unit in battery modules is obtained in real time, without the need for reusing other temperature sensors, is reduced
The setting of part, reduces production cost.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of heating system of the present utility model.
Fig. 2 is that the first attachment structure between battery modules heating system of the present utility model and battery modules is illustrated
Figure.
Fig. 3 is that second attachment structure between battery modules heating system of the present utility model and battery modules is illustrated
Figure.
Fig. 4 is that the third attachment structure between battery modules heating system of the present utility model and battery modules is illustrated
Figure.
Fig. 5 is that the 4th kind of attachment structure between battery modules heating system of the present utility model and battery modules is illustrated
Figure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in figure 1, the heating system for cylindrical battery module of the present utility model, including the electricity with prior art
The heating system 2 of pond management system connection, it includes the insulation fixing plate 5 at least with an accommodating hole 10, insulation fixing plate 5
Can be a rectangular slab, its highly with the equal length of cylindrical battery, insulation fixing plate 5 can be made up of plastic material；
Be provided with the accommodating hole 10 of insulation fixing plate 5 at least one or more parallel connection with heating and detect battery modules temperature
PTC heater elements 4, PTC heater elements 4 are preferably PTC-ceramic thermistor element；It is solid that PTC heater elements 4 can be laid in insulation
In the accommodating hole 10 of fixed board 5, insulation fixing plate 5 be used for fix PTC heater elements 4, it has certain mechanical strength, with than
Higher temperature tolerance, with insulating properties；Metal electrode board 6 is respectively equipped with the both side surface of PTC heater elements 4, the gold per block
Belong to battery lead plate 6 is respectively arranged on the left side and the right side pin 8, and pin 8 is provided with inserting foot 13, and inserting foot 13 is located at insulation fixing plate 5
Surface on, be serially connected by inserting foot 13 between two neighboring heating system 2；In 5 two blocks of metal electrodes of insulation fixing plate
While the surface of plate 6 and the both side surface of PTC heater elements 4 are brought into close contact, the positive pole of PTC heater elements 4 is also with wherein one
The surface of block metal electrode board 6 contacts, and negative pole is contacted with the surface of another piece of metal electrode board 6, and heating system 2 passes through inserting foot 13
Jing wires are connected with battery management system, and heat conductive silica gel 7 is respectively equipped with the outer surface of metal electrode board 5, each heat conduction
Plural recess 9 is respectively equipped with the lateral surface of silica gel 7, the section of recess 9 is arc, and recess 9 is used for and cylinder electricity
It has good thermal conductivity and insulating properties to the case surface in pond, and heat rapidly can pass to out, in two neighboring recess 9
Between can be provided with insulation board 11, insulation board 11 can be used to control the direction of propagation of heat.
When the working environment of battery modules is under low temperature (0 degree Celsius) state, PTC heater elements 4 add to battery modules
Heat；When battery modules are in running order, battery management system is obtained by reading the resistance value of PTC heater elements 4 works as
The temperature of each battery unit of front battery modules；When heating system is in not heated condition, heating system 2 is used as passive battery
Heat conducting device, mutually in conduction battery unit between battery and two adjacent groups battery unit temperature, make battery modules
Interior temperature difference reduces.Temperature sensor is substituted by PTC heater elements 4, former setting necessary to temperature sensor is reduced
Wire, reduces the cost of battery modules.
Accommodating hole 10 is preferably provided with more than two, and two accommodating holes 10 are disposed on insulation fixing plate 4, adjacent
Insulation division 12 is equipped between two accommodating holes 10, in each accommodating hole 10 a PTC heater element 3 is provided with.
As shown in Fig. 2 battery modules include the cylindrical battery 1 of several rectangular arrays, two neighboring cylindrical battery 1
Between be equipped with gap, gap in the ranks is constituted between adjacent rows cylindrical battery 1, between adjacent two row cylindrical battery 1 constitute
Row gap；The battery modules also include at least one heating system 2, and heating system 2 is arranged in gap in the ranks or row gap
Two neighboring heating system 2 in being expert at gap or row gap is connected with each other conducting by metal connector 13, and heating system 2 is excellent
Choosing is located at the gap in the ranks for being located at two rows of battery modules center or two cylindrical batteries 1 for arranging or arranges in gap, or uniformly
It is distributed in the gap between cylindrical battery 1, the recess 9 on heat conductive silica gel 7 is closely pasted respectively with the shell of cylindrical battery 1
Close, each heating system 2 can be heated to few four cylindrical batteries 1 being disposed adjacent, thermal conductive silicon rubber cushion 7 has good heat conduction
Property and insulating properties, heat rapidly can pass to out；Except the gap in the ranks or row gap that are provided with heating system 2 in battery modules
Outward, remaining in the ranks in gap or row gap filled with Heat Conduction Material 3, Heat Conduction Material is preferably heat conductive silica gel.
Heating system of the present utility model 2 is installed between each cylindrical battery 1 inside battery modules, heating system
System appearance and size battery case consistent size, and its outer layer heat conductive silica gel is flexible material.Heat conductive silica gel can fully and battery
Shell be in close contact, to the applied voltage of metal connector 13 of heating system after, PTC heater elements 4 are powered, PTC heater elements 4
The heat of generation is transmitted to first metal electrode board 6, and due to the good heat conductivility of metal, heat can run through metal electrode
Plate 6 is conducted to heat conductive silica gel 7, heat conductive silica gel 7 even heat is conducted again to be in close contact battery case, due to battery outside
Shell can dissipate rapidly for cylinder, therefore heat, and continue to spread by the Heat Conduction Material 3 in gap, you can heat is rapid
Conduct to all inside batteries, reach the purpose heated to the battery of cylindrical battery 1, realize battery modules efficient uniform ground
Heating.
The utility model is illustrated by taking the battery modules that 4 row 6 is arranged as an example, but not limited to this.
As shown in Fig. 2 for the first arrangement mode of the utility model battery modules, heating system 2 is located at battery modules
In the outermost gap in the ranks of both sides, 3 are provided with per side, heating system 2 heats two rows adjacent with heating system 2 totally 12 circles
Cylindrical battery 1, it is ensured that the shell of each cylindrical battery 1 can be brought into close contact with the heat conductive silica gel 7 of heating system 2, reaches
The effect of even heating.
As shown in figure 3, second arrangement mode of the utility model battery modules, it is every that heating system 2 is located at battery modules
In capable gap in the ranks, often row is equipped with 3, and heating system 2 heats the cylindrical battery 1 adjacent with heating system 2, it is ensured that each
The shell of cylindrical battery 1 can be brought into close contact with the heat conductive silica gel 7 of heating system 2, reach the effect of uniform heating.
As shown in figure 4, the third arrangement mode of battery modules of the present utility model, heating system 2 is located at battery modules
In centrally located gap in the ranks, this is in the ranks provided with 3 heating systems 2 in gap, and the heating of heating system 2 is adjacent with heating system 2
Two row cylindrical batteries 1, in the outermost gap in the ranks of battery modules both sides be filled with Heat Conduction Material 3, ensure be located at
The shell of the two row cylindrical batteries 1 at center can be brought into close contact with the heat conductive silica gel 7 of heating system 2, and by Heat Conduction Material 3
Transfer heat on the shell of outermost two rows cylindrical battery 1, reach the effect of uniform heating.
As shown in figure 5, the 4th kind of arrangement mode of battery modules of the present utility model, heating system 2 is located at battery modules
In centrally located gap in the ranks, this is in the ranks provided with gap between 2 heating systems, 2,2 heating systems 2 by wire and inserts
Fitting 13 connects, and is symmetrically arranged at this in the ranks in gap, and two row cylindrical batteries 1 are spaced between two heating systems 2, heats
System 2 heats four cylindrical batteries 1 adjacent with heating system 2, in battery modules except the gap in the ranks for being provided with heating system 2
Outward, Heat Conduction Material 3 is filled with remaining row gap and row gap, is ensureing the cylindrical battery 1 adjacent with heating system 2
Shell can be brought into close contact with the heat conductive silica gel 7 of heating system 2, and transfer heat to outermost two by Heat Conduction Material 3
On the shell of row cylindrical battery 1, the effect of uniform heating is reached.
In heating system of the present utility model in no power adstante febre, because heating system and battery unit are in same
Under environment, and it has good horizontal and vertical thermal conductivity, and this structure allows heat effectively in battery unit
Each battery mutually quickly conduct, therefore the temperature of PTC heater elements is essentially identical with the temperature of battery.Battery management system
(i.e. BMS) can calculate the real time temperature of the battery in each battery unit by the resistance value of detection PTC heater elements, and
When regulate and control the working condition of whole battery pack, without the need for reusing other temperature sensors.
Heating system structure of the present utility model and installation site are different from existing PTC heating plates, and it is built in battery
Between the adjacent cylindrical battery 1 of module internal, each battery is given in direct and cylindrical battery 1 the shell contact of heating system
Core is heated, and heat is directly conducted to each battery, thus battery heating rate is fast, and the temperature difference between each battery is little,
Simultaneously built-in structure allows its heat almost all for producing to pass to battery, and the efficiency of heating surface is high, consuming little energy.It is below
The Experimental Comparison data of the utility model and PTC heater plate effects：Table one is the heating liter of the PTC heating plates of prior art
The warm time, table two for heating system of the present utility model the heat temperature raising time, both at a temperature of equivalent environment, programming rate
There is significantly difference.
Table 1 (- 20 DEG C of environment temperature)
| Sequence number | 0min | 30min | 60min | 90min | 120min | Heating rate |
| 1 | -20.1℃ | -14.2℃ | 2.3℃ | 14.9℃ | 20.6℃ | 0.34℃/min |
| 2 | -19.8℃ | -15.2℃ | -8.3℃ | 1.1℃ | 8.6℃ | 0.24℃/min |
| 3 | -20℃ | -14.3℃ | 7.4℃ | 19.6℃ | 25.4℃ | 0.378℃/min |
| 4 | -20.2℃ | -15.8℃ | -5.9℃ | 3.5℃ | 11.2℃ | 0.26℃/min |
| Maximum temperature difference | 0.4℃ | 1.6℃ | 15.7℃ | 18.5℃ | 16.8℃ |
Table 2 (- 20 DEG C of environment temperature)
| Sequence number | 0min | 30min | 60min | 90min | 120min | Heating rate |
| 1 | -20.0℃ | -0.8℃ | 17.2℃ | 32.1℃ | 42.3℃ | 0.52℃/min |
| 2 | -19.9℃ | -2.2℃ | 14.5℃ | 29.5℃ | 39.8℃ | 0.50℃/min |
| 3 | -20.2℃ | -0.4℃ | 18.2℃ | 32.6℃ | 42.8℃ | 0.53℃/min |
| 4 | -20.1℃ | -2.9℃ | 15.1℃ | 30.4℃ | 40.6℃ | 0.51℃/min |
| Maximum temperature difference | 0.3℃ | 1.5℃ | 3.7℃ | 3.1℃ | 3.0℃ |
As seen from the table, programming rate of the present utility model will be faster than the programming rate of traditional PTC heating plates.
Insulation safety is good, and heating system of the present utility model adopts heat conductive silica gel by PTC heating element heaters and metal electrode
Plate is potted in the insulation system of heating system center, it is ensured that PTC heating element heaters and the good insulating properties of battery case,
It is built between the adjacent cylindrical battery of internal battery pack, two cambered surfaces of adjacent cylindrical battery contact heating system are
Equipotential is poor, i.e., electrical potential difference is zero, and heating element heater is built-in wherein not to have the defect for making battery assembly module short circuit, without short-circuit wind
Danger, is different from the heater structure of the application for a patent for invention of Application No. 201510634026.6, product knot of the present utility model
Structure design is safer.
Homogeneous heating, in the outermost heat conductive silica gel major part contact area battery modules of heating system of the present utility model
Each cylindrical battery shell, heat conductive silica gel inside center position be PTC heater elements, each heater element can be flexible
To 2-16 cylindrical battery heating, temperature uniformity is good, and can not also be by filling with the cylindrical battery of heating system contacts
Heat Conduction Material in gap is transmitted the shell heat of heated cylindrical battery, makes all of cylindrical battery equal
Can be heated.
Heating system of the present utility model can substitute traditional temperature sensor in the case of work of not generating heat, and need not
Reuse other temperature sensors.I.e. the PTC heater elements of heating system are thermosensitive resistor with positive temp coefficient, can be by temperature
Number of degrees value is converted into resistance value and feeds back to battery management system (i.e. BMS), except can decide whether to allow heating system to be powered
Whether battery reaches suitable operating temperature after work and heating, while can real-time monitoring battery in battery normal work
Temperature, prevent temperature too high and cause security incident.And wire necessary to former temperature sensor is reduced, electricity is reduced
The weight of pond group.
This heating system design is cellular construction, can be made according to specific cylindrical battery quantity flexible combination in battery bag
With each heating unit can closely, fitly coordinate assembling, and be designed with the very high metal of conductive reliability in junction and connect
Plug-in unit, each heating unit can power supply without the need for wire connection.
Claims (10)
1. a kind of heating system for cylindrical battery module, including the heating system (2) being connected with battery management system, its
It is characterised by：The heating system (2) is provided with least one, and heating system (2) is including at least having accommodating hole (10)
Insulation fixing plate (5)；Insulation fixing plate (5) accommodating hole (10) in be provided with least one or more parallel connection with heating with
And the PTC heater elements (4) of detection battery modules temperature, PTC heater elements (4) can be laid in the accommodating of insulation fixing plate (5)
In hole (10)；Metal electrode board (6), every piece of metal electrode board (6) are respectively equipped with the both side surface of PTC heater elements (4)
Be respectively arranged on the left side and the right side pin (8), pin (8) is provided with the grafting for connecting with wire or adjacent heating system (2)
Pin (13), inserting foot (13) is arranged on the surface of insulation fixing plate (5)；Send out on the surface of two pieces of metal electrode boards (6) and PTC
While the both side surface of thermal element (4) is brought into close contact, the positive pole of PTC heater elements (4) also with one of metal electrode board
(6) surface contact, negative pole is contacted with the surface of another piece of metal electrode board (6), and heating system (2) is led by inserting foot (13) Jing
Line is connected with battery management system, and heat conductive silica gel (7), each heat conduction are respectively equipped with the outer surface of metal electrode board (6)
Plural recess (9) is respectively equipped with the lateral surface of silica gel (7), the section of recess (9) is arc.
2. the heating system for cylindrical battery module according to claim 1, it is characterised in that：The insulation is fixed
Plate (5) is a rectangular slab, the height of insulation fixing plate (5) and the equal length of cylindrical battery.
3. the heating system for cylindrical battery module according to claim 2, it is characterised in that：The insulation is fixed
Plate (5) is made up of plastic material.
4. the heating system for cylindrical battery module according to claim 3, it is characterised in that：The PTC heatings
Element (4) is PTC-ceramic thermistor element.
5. the heating system for cylindrical battery module according to claim 4, it is characterised in that：Two neighboring recessed
Insulation board (11) is provided between portion (9).
6. the heating system for cylindrical battery module according to claim 5, it is characterised in that：The heating system
(2) at least provided with two, it is serially connected by inserting foot (13) between two neighboring heating system (2).
7. the heating system for cylindrical battery module according to claim 6, it is characterised in that：The accommodating hole
(10) more than two are provided with, two accommodating holes (10) are disposed on insulation fixing plate (5), in two adjacent accommodating holes
(10) insulation division (12) is equipped between, in each accommodating hole (10) a PTC heater element (4) is provided with.
8. a kind of cylindrical battery (1) of battery modules, including rectangular array, it is characterised in that：Also include that right such as will
The heating system described in 1 to 7 any one is sought, gap, adjacent rows cylinder are equipped between two neighboring cylindrical battery (1)
Gap in the ranks is constituted between shape battery (1), row gap is constituted between adjacent two row cylindrical battery (1)；Heating system (2) is located at row
In gap or row gap, it is arranged on and is arranged in recess (9) with the cylindrical battery (1) of recess (9) position corresponding section, the circle
The shell of cylindrical battery (1) is brought into close contact with recess (9).
9. battery modules according to claim 8, it is characterised in that：Be expert at gap or row gap in be also filled with heat conduction material
Material (3).
10. battery modules according to claim 9, it is characterised in that：The Heat Conduction Material (3) is heat conductive silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010925.5U CN206116561U (en) | 2016-08-30 | 2016-08-30 | A heating system and battery module for cylinder battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621010925.5U CN206116561U (en) | 2016-08-30 | 2016-08-30 | A heating system and battery module for cylinder battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206116561U true CN206116561U (en) | 2017-04-19 |
Family
ID=58516727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621010925.5U Withdrawn - After Issue CN206116561U (en) | 2016-08-30 | 2016-08-30 | A heating system and battery module for cylinder battery module |
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| Country | Link |
|---|---|
| CN (1) | CN206116561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450581A (en) * | 2016-08-30 | 2017-02-22 | 田峰业 | Heating system for cylindrical battery module, and battery module |
-
2016
- 2016-08-30 CN CN201621010925.5U patent/CN206116561U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450581A (en) * | 2016-08-30 | 2017-02-22 | 田峰业 | Heating system for cylindrical battery module, and battery module |
| CN106450581B (en) * | 2016-08-30 | 2023-11-10 | 深圳市天翔宇科技有限公司 | Heating system for cylindrical battery module and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180813 Address after: 518110 Building A, Block 4, Building 12, Guanlan Automobile Electronic Industrial Park, 299 Guanping Road, Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN SAFEVALUE TECHNOLOGY CO.,LTD. Address before: 518110 Building A, Block 4, Building 12, Guanlan Automobile Electronic Industrial Park, 299 Guanping Road, Guanlan Street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: Tian Fengye |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20231110 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |