CN105703039A - Heating system for battery pack - Google Patents
Heating system for battery pack Download PDFInfo
- Publication number
- CN105703039A CN105703039A CN201610065007.0A CN201610065007A CN105703039A CN 105703039 A CN105703039 A CN 105703039A CN 201610065007 A CN201610065007 A CN 201610065007A CN 105703039 A CN105703039 A CN 105703039A
- Authority
- CN
- China
- Prior art keywords
- battery bag
- water
- temperature
- water tank
- heating system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention provides a heating system for a battery pack. The heating system comprises an outer circulation system consisting of water tanks, tee joints, water pumps and battery packs, and an inner circulation system formed by the water tanks, an electromagnetic heater and the tee joints which are connected in sequence, wherein a temperature sensor is arranged in each of the water inlet and the water outlet of the battery packs separately; a BMS battery management system is connected with the electromagnetic heater, the water pumps, the battery packs and the temperature sensors; a coolant is injected to each water tank from a water tank liquid injecting opening, and the injecting process is stopped when the coolant achieves a set height in the corresponding water tank; when the corresponding battery pack is in operating, the BMS collects the temperatures in the corresponding battery pack in real time through the temperature sensors; when the temperature of the corresponding battery pack is lower than a set temperature, the water pumps and the electromagnetic heater begin to operate, and the coolant circularly flows within the outer circulation system and the inner circulation system; and when the temperature of the corresponding battery pack is greater than or equal to the set temperature, the operation of the electromagnetic heater and the water pump is stopped. The heating system is high in heating speed, uniform in heating effect and capable of heating multiple paths of battery packs synchronously, so that the working efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of battery bag heating system, belong to power vehicle, technical field of new energies。
Background technology
Raising along with new product serviceability, the requirement also increasingly stringent to environment such as electrokinetic cell and new forms of energy, generally individually requiring that operating temperature range is between-20 DEG C to 60 DEG C, temperature too high (more than 60 DEG C) or too low (less than-30 DEG C) all can affect the normal use of battery bag。
At present, the general battery temp control system major part in market all adopts PTC (positive temperature coefficient) critesistor and heated fan to be heated, but there are the following problems for it: 1, PTC thermistor firing rate is slow, and the battery bag heating-up time is long, and efficiency is low；2, heating-up temperature is uneven。
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of firing rate is fast and the uniform battery bag heating system of heats。
In order to solve above-mentioned technical problem, a kind of battery bag heating system of offer is provided, it is characterized in that, including: it is sequentially connected with, by water tank, threeway, water pump and battery bag, the external circulating system formed, it is sequentially connected with the internal circulation system formed by described water tank, electromagnetic heater and described threeway, being equipped with temperature sensor on the water pipe of battery bag entery and delivery port, BMS battery management system is connected with described electromagnetic heater, water pump, battery bag and temperature sensor。
Preferably, described water tank includes casing, and casing top is provided with liquid injection port, and the top of body side and bottom are respectively equipped with water tank inlet and water outlet of water tank, and wall box is provided with graduation mark。
Preferably, described electromagnetic heater includes heater body, and heater body is provided with heater water inlet and heater outlet。
Preferably, described threeway includes: a threeway water inlet, two threeway outlets, is located at the valve between intake-outlet, and for regulating the switch of described valve。
Preferably, rectangular cell, the binding post being connected with described rectangular cell for the cooled plate dispelled the heat it are provided with inside described battery bag；Described battery bag is provided externally with the battery bag water inlet and battery bag outlet that are connected with described cooled plate。
Preferably, described heater water inlet connects described water outlet of water tank；Described threeway water inlet is connected with described heater outlet, and said two threeway outlet is connected with the water inlet of described water tank inlet and described water pump respectively；The outlet of described water pump connects described battery bag water inlet, and described battery bag outlet connects described water tank inlet。
Preferably, described threeway, water pump, battery bag are one or more groups。
Preferably, coolant is injected in water tank by water tank liquid injection port, stops after reaching setting height；When battery job contract is made, BMS battery management system is by the temperature in temperature sensor Real-time Collection battery bag；When battery bag temperature is lower than design temperature, BMS battery management system controls water pump and electromagnetic heater is started working, and coolant is at described external circulating system and internal circulation system internal circulation flow；When battery bag temperature is equal to or more than design temperature, stop electromagnetic heater and pump working。
Preferably, described coolant is glycol water, silicone oil, transformer oil, fluorochemical or Oleum Ricini。
Preferably, below described design temperature, set at least one phase temperature, according to the stage residing for battery bag actual temperature, adjust the flow velocity of water pump and the power of electromagnetic heater。
In battery bag heating system provided by the invention, water tank, electromagnetic heater, threeway are in turn connected to form a little internal recycle, play samming, reduce internal pressure and increase the effect of turbulent flow。Water pump plays effect coolant being recycled in battery bag。BMS battery management system major function is responsible for the monitoring of whole battery bag and heating system control action。
System provided by the invention overcomes the deficiencies in the prior art, and firing rate is fast and heats is uniform, it is also possible to supports that multichannel battery bag is heated work simultaneously, substantially increases work efficiency。
Accompanying drawing explanation
The battery bag heating system structural representation that Fig. 1 provides for the present embodiment；
Fig. 2 is cisten mechanism schematic diagram；
Fig. 3 is electromagnetic heater structural representation；
Fig. 4 is three-port structure schematic diagram；
Fig. 5 is water pump structure schematic diagram；
Fig. 6 is arrangement of temperature sensor schematic diagram；
Fig. 7 is battery bag internal structure schematic diagram；
Fig. 8 is battery bag external structure schematic diagram。
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further。Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention。In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally。
The battery bag heating system structural representation that Fig. 1 provides for the present embodiment, described battery bag heating system is made up of water tank 1, electromagnetic heater 2, threeway 3, water pump 4, BMS (battery management system), temperature sensor 5 and battery bag 6 etc.。
In conjunction with Fig. 2, water tank 1 includes casing 11, and casing 11 top is provided with liquid injection port 12, and the top of casing 11 side and bottom are respectively equipped with water tank inlet 13 and water outlet of water tank 14, and casing 11 sidewall is provided with graduation mark 15。Casing 11 adopts aluminum or high life plastic material to make, wall thickness 2mm。Coolant in water tank 1 mainly includes glycol water, silicone oil, transformer oil, fluorochemical or Semen Ricini wet goods liquid。
In conjunction with Fig. 3, electromagnetic heater 2 includes heater body 21, and heater body 21 is provided with heater water inlet 22 and heater outlet 23。The operating voltage range of electromagnetic heater 2 is between 250V-450V, and power bracket is 0.5KW-5KW。
In conjunction with Fig. 4, threeway 3 includes: a threeway water inlet 31, two threeway outlets 32, is located at the valve between intake-outlet, and for regulating the switch 33 of described valve。In the present embodiment, threeway 3 adopts copper material or stainless steel, length 33mm, hexagonal 17mm, external screw thread 1/2-20UNF, female thread 1/4-18NPT。
In conjunction with Fig. 5, water pump 4 includes pump intake 41 and pump outlet 42, and water pump 4 adopts the centrifugal pump of high leakproofness, high life, low noise, and power is about 100W, Peak Flow Rate 25m/min。
In conjunction with Fig. 6, temperature sensor 5 adopts the high accuracy T-shaped temp.-sensing wire 51 of contact, temperature sensor 5 working range at-80 DEG C-100 DEG C, running voltage 250V, 50Hz。
BMS battery management system overall dimensions is 70mm*150mm*300mm, is suitable for the electrokinetic cells such as battery core type lead-acid battery, Ni-MH battery, lithium battery, and operating temperature range-40 DEG C～85 DEG C, work maximum relative humidity 90%, temperature measurement accuracy 0.5 DEG C。
In conjunction with Fig. 7 and Fig. 8, battery bag 6 is internal is provided with rectangular cell 64, the binding post 65 being connected for the cooled plate 63 dispelled the heat with rectangular cell 64；Battery bag 6 is provided externally with the battery bag water inlet 61 and battery bag outlet 62 that are connected with cooled plate 63。
The annexation of battery bag heating system each several part is as follows: the heater water inlet 22 of electromagnetic heater 2 connects water outlet of water tank 14；Threeway 3 includes a threeway water inlet 31 and two threeway outlets 32, and threeway water inlet 31 is connected with the heater outlet 23 of electromagnetic heater 2, and two threeway outlets 32 are connected with water tank inlet 14 and pump intake 41 respectively。Water tank 1, electromagnetic heater 2, threeway 3 are in turn connected to form a little internal recycle, play samming, reduce internal pressure and increase the effect of turbulent flow。Pump outlet 42 connects battery bag water inlet 61, plays effect coolant being recycled in battery bag 6, and battery bag outlet 62 connects water tank inlet 14。The water pipe at battery bag water inlet 61 and battery bag outlet 62 place is equipped with temperature sensor 5。BMS battery management system is square structure, and major function is responsible for the monitoring of whole battery bag 6 and heating system control action, and BMS is connected with electromagnetic heater 2, water pump 4, battery bag 6 and temperature sensor 5 respectively。
During the work of battery bag heating system, detailed process is as follows: coolant is injected in water tank 1 by water tank liquid injection port 12, stops after graduation mark 15 reaches requirement height。When electric automobile starts or charges, BMS is by the temperature in temperature sensor 5 Real-time Collection battery bag 6, and the temperature signal of collection is delivered in BMS by temperature sensor 5。When battery bag 6 temperature is lower than 0 DEG C, BMS controls water pump 4 and electromagnetic heater 2 is started working, and coolant by water tank 1, electromagnetic heater 2, threeway 3, water pump 4, battery bag 6 then reflow tank 1, is circulated heating process successively。When battery bag 6 temperature is positioned at 0 DEG C to-20 DEG C, water pump 4 flow velocity is 15m/min, and electromagnetic heater 2 power is 0.5KW-2.5KW；When battery bag 6 temperature is positioned at below-20 DEG C, water pump 4 flow velocity is 25m/min, and electromagnetic heater 2 power is 2.5KW-5KW。When battery bag 6 temperature is more than 0 DEG C, stops electromagnetic heater 2 and water pump 4 works。
This battery bag heating system can support that multichannel battery bag is heated work simultaneously, it is illustrated in figure 1 double path system to work simultaneously, namely electromagnetic heater 2 is connected with two threeways 3 simultaneously, one outlet of two threeways 3 connects a battery bag 6 respectively through a water pump 4, the coolant of two battery bag 6 outlets is all back to water tank 1, another outlet of two threeways 3 is all connected with water tank 1, BMS is connected with electromagnetic heater 4, two battery bags 6 of 2, two water pumps and four temperature sensors 5 respectively, controls two-way and is heated work simultaneously。
Claims (10)
1. a battery bag heating system, it is characterized in that, including: it is sequentially connected with, by water tank (1), threeway (3), water pump (4) and battery bag (6), the external circulating system formed, it is sequentially connected with the internal circulation system formed by described water tank (1), electromagnetic heater (2) and described threeway (3), being equipped with temperature sensor (5) on the water pipe of battery bag (6) entery and delivery port, BMS battery management system is connected with described electromagnetic heater (2), water pump (4), battery bag (6) and temperature sensor (5)。
2. a kind of battery bag heating system as claimed in claim 1, it is characterized in that: described water tank (1) includes casing (11), casing (11) top is provided with liquid injection port (12), the top of casing (11) side and bottom are respectively equipped with water tank inlet (13) and water outlet of water tank (14), and casing (11) sidewall is provided with graduation mark (15)。
3. a kind of battery bag heating system as claimed in claim 2, it is characterized in that: described electromagnetic heater (2) includes heater body (21), heater body (21) is provided with heater water inlet (22) and heater outlet (23)。
4. a kind of battery bag heating system as claimed in claim 3, it is characterized in that: described threeway (3) including: a threeway water inlet (31), two threeway outlets (32), it is located at the valve between intake-outlet, and for regulating the switch (33) of described valve。
5. a kind of battery bag heating system as claimed in claim 4, it is characterised in that: described battery bag (6) is internal is provided with rectangular cell (64), the binding post (65) being connected for the cooled plate (63) dispelled the heat with described rectangular cell (64)；Described battery bag (6) is provided externally with battery bag water inlet (61) and battery bag outlet (62) that are connected with described cooled plate (63)。
6. a kind of battery bag heating system as claimed in claim 5, it is characterised in that: described heater water inlet (22) connects described water outlet of water tank (14)；Described threeway water inlet (31) is connected with described heater outlet (23), and said two threeway outlet (32) is connected with the water inlet of described water tank inlet (14) and described water pump (4) respectively；The outlet of described water pump (4) connects described battery bag water inlet (61), and described battery bag outlet (62) connects described water tank inlet (14)。
7. a kind of battery bag heating system as claimed in claim 1, it is characterised in that: described threeway (3), water pump (4), battery bag (6) they are one or more groups。
8. a kind of battery bag heating system as described in any one of claim 1～7, it is characterised in that: coolant is injected in water tank (1) by water tank liquid injection port (12), stops after reaching setting height；When battery bag (6) works, BMS battery management system is by the temperature in temperature sensor (5) Real-time Collection battery bag (6)；When battery bag (6) temperature is lower than design temperature, BMS battery management system controls water pump (4) and electromagnetic heater (2) is started working, and coolant is at described external circulating system and internal circulation system internal circulation flow；When battery bag (6) temperature is equal to or more than design temperature, stop electromagnetic heater (2) and water pump (4) work。
9. a kind of battery bag heating system as claimed in claim 8, it is characterised in that: described coolant is glycol water, silicone oil, transformer oil, fluorochemical or Oleum Ricini。
10. a kind of battery bag heating system as claimed in claim 8, it is characterized in that: below described design temperature, set at least one phase temperature, according to the stage residing for battery bag actual temperature, adjust the flow velocity of water pump (4) and the power of electromagnetic heater (2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065007.0A CN105703039A (en) | 2016-01-29 | 2016-01-29 | Heating system for battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065007.0A CN105703039A (en) | 2016-01-29 | 2016-01-29 | Heating system for battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105703039A true CN105703039A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065007.0A Pending CN105703039A (en) | 2016-01-29 | 2016-01-29 | Heating system for battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105703039A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391476A (en) * | 2018-04-20 | 2019-10-29 | 上海亚大汽车塑料制品有限公司 | Pipeline connecting device and the battery pack with it inside and outside battery pack |
| CN111082189A (en) * | 2019-12-03 | 2020-04-28 | 东风柳州汽车有限公司 | New energy automobile battery pack heating device and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004146237A (en) * | 2002-10-25 | 2004-05-20 | Denso Corp | Battery temperature control device |
| CN102290618A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Vehicle battery thermal management system |
| CN204857900U (en) * | 2015-07-31 | 2015-12-09 | 惠州市亿能电子有限公司 | Heat conduction structure of battery module |
-
2016
- 2016-01-29 CN CN201610065007.0A patent/CN105703039A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004146237A (en) * | 2002-10-25 | 2004-05-20 | Denso Corp | Battery temperature control device |
| CN102290618A (en) * | 2011-07-26 | 2011-12-21 | 浙江吉利汽车研究院有限公司 | Vehicle battery thermal management system |
| CN204857900U (en) * | 2015-07-31 | 2015-12-09 | 惠州市亿能电子有限公司 | Heat conduction structure of battery module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391476A (en) * | 2018-04-20 | 2019-10-29 | 上海亚大汽车塑料制品有限公司 | Pipeline connecting device and the battery pack with it inside and outside battery pack |
| CN111082189A (en) * | 2019-12-03 | 2020-04-28 | 东风柳州汽车有限公司 | New energy automobile battery pack heating device and control method |
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Application publication date: 20160622 |