CN109450043A - A kind of battery charger containing heating system - Google Patents
A kind of battery charger containing heating system Download PDFInfo
- Publication number
- CN109450043A CN109450043A CN201811555856.XA CN201811555856A CN109450043A CN 109450043 A CN109450043 A CN 109450043A CN 201811555856 A CN201811555856 A CN 201811555856A CN 109450043 A CN109450043 A CN 109450043A
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- Prior art keywords
- heating
- battery
- temperature
- unit
- control
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- 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)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of heating systems for battery charger, the control centre reads battery temperature by battery charging interface, and when detecting temperature lower than threshold value, the control centre controls the heating unit by the heat control unit and heated, at this point, battery does not charge；When the control centre detects the temperature of the heating unit higher than maximum heating threshold value, the heating unit is controlled by heat control unit and stops heating；When the control centre detects the temperature of the heating unit lower than minimum heating threshold value, the heating unit is controlled by heat control unit and is begun to warm up；When the control centre, which reads battery temperature by battery charging interface, is located at charging temperature section, battery is controlled by the charging control unit and is started to charge.A kind of battery charger containing heating system provided by the invention, so that lithium battery securely and reliably efficiently charges at low temperature.
Description
Technical field
The invention belongs to field of batteries, and in particular to a kind of battery charger containing heating system.
Background technique
Lithium ion battery is a kind of new high-tech product developed in recent years, while being also that a kind of novel high-capacity is long-lived
Environment-friendly battery is ordered, properties of product are brilliant, are mainly used for electric bicycle, electric car, battery-operated motor cycle, electric tool, intelligence
Power grid energy-storage system, mobile communication base station, electric power, chemical industry, spare UPS, EPS power supply of hospital, security protection illumination, portable mobile electricity
The multiple fields such as source, laptop, electronic toy, mine safety appliance, digital product.Compared with ni-Cd, nickel-metal hydride battery, lithium
Ion battery have voltage is high, specific energy is big, have extended cycle life, have a safety feature, self discharge is small, memory-less effect, can be quick
Many advantages, such as charge and discharge, wide operating temperature range.
It is the capacity density height of lithium battery, long service life, small in size, light-weight, it is environmentally protective many advantages, such as, lithium electronics
It is used widely in hand-held portable devices, digital camera, the current equipment of mobile wireless, hand-held intelligent instrument and meter.But
It is the chemical characteristic due to lithium battery itself, the charging ambient temperature of lithium battery cannot be below 0 degree hereinafter, generally allowing the temperature that charges
Degree is 0-45 degree temperature range.If lithium battery charges at low ambient temperatures for a long time, lithium nonuniform deposition will cause.The unevenness
Even deposition process causes lithium too fast in some site depositions, generates the same crystallization (dendrite) of branch.When dendrite develops to centainly
When degree, on the one hand can fracture, generate ' dead lithium " cause irreversible lithium, can consume in battery can be with repeated charge
Lithium ion and battery capacity is greatly reduced；On the other hand more seriously, dendrite can puncture diaphragm, lithium battery anode and negative
Pole can generate short circuit, generate a large amount of heat, make batteries caught fire, or even explode, to bring serious security risk.
Common charger in the prior art at low temperature (0 degree or less) cannot charge to lithium battery, if forced
With common charger to lithium battery (0 degree or less) charging at low temperature, gently it will cause lithium battery capacity and service life rapid decrease,
Just had more than is needed using tens primary cells, cause cell damage, generates larger economic loss.More seriously for a long time at low temperature
Charging can generate dendrite in cathode of lithium battery, and dendrite can puncture diaphragm, and lithium battery anode and cathode can generate short circuit, generate a large amount of
Heat, make batteries caught fire, or even explode, to bring serious security risk.Such as it by equipment damage, generates serious
Secondary disaster (fire) etc. causes greater loss.
Summary of the invention
The object of the present invention is to provide a kind of battery chargers containing heating system, so that lithium battery is safe at low temperature
Reliably and effectively charge.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of heating system for battery charger,
Including input interface, DC-DC converter, charging control unit, battery charging interface, control centre, heat control unit and add
Hot cell, the control centre connect the DC-DC converter, charging control unit, heat control unit, battery charging simultaneously
Interface and heating unit, the computer heating control center connect the heated center, and the charging control unit connects the battery
Charging interface, the DC-DC converter connect the input interface；
The control centre reads battery temperature by battery charging interface, described when detecting temperature lower than threshold value
Control centre controls the heating unit by the heat control unit and is heated, at this point, battery does not charge；When the control
When the temperature of Spot detection processed to the heating unit is higher than maximum heating threshold value, the heating is controlled by heat control unit
Unit stops heating；When the control centre detects the temperature of the heating unit lower than minimum heating threshold value, by adding
Thermal control units control the heating unit and begin to warm up；When the control centre reads battery temperature by battery charging interface
When positioned at charging temperature section, battery is controlled by the charging control unit and is started to charge, during battery charging, the control
Center processed controls whether the heating unit works by heat control unit, it is ensured that battery is located in charging temperature section.
Further, the heating system further includes auxiliary power unit, and the auxiliary power unit connects the control
Center and input interface.
Further, the heating system further includes display unit, and the display unit connects the control centre.
Further, the heating system further includes control switch, and the control switch connects the control centre.
Further, the heating unit includes heating layer, thermally conducting heat-spreading layer and heat insulation layer, and the heat transfer dissipates
Thermosphere uniform fold is on the heating layer, and the heat insulation layer uniform fold is in the thermally conducting heat-spreading layer.
Further, the heating layer includes electric heating film, temperature sensor and temperature detect switch (TDS), the temperature sensor position
In the middle position of the electric heating film, the temperature detect switch (TDS) connects the electric heating film and temperature sensor, when the temperature
When the temperature of sensor detection is greater than 50 °, the temperature detect switch (TDS) cuts off the working condition of the electric heating film.
Further, the electric heating film is PI polyimides Electric radiant Heating Film.
Further, the charging control unit is bidirectional electronic MOS switch.
Further, the heat control unit is anode and the dual electronic switch of cathode.
A kind of battery charger provided by the invention, including heating system described in claim 1, shell and battery compartment,
The battery compartment and heating system are located in the shell portion, are located in the battery compartment when battery charges
The invention has the benefit that a kind of battery charger containing heating system provided by the invention, it can be extremely low
(- 40 degree) charge the battery under warm environment, meet lithium battery and charge at low ambient temperatures use demand.Charging effect is almost
Room temperature charging effect can be reached, charge efficiency is up to 95% or so (with 25 degree of the room temperature lower fully charged capacity comparisons of battery)；This hair
It is safer, convenient when the charger low temperature charging of bright offer, while the charging time is shorter；The structure of charger of the present invention, material,
Circuit control and electronic device can satisfy the demand to work under charger low temperature environment.
Detailed description of the invention
Attached drawing 1 is a kind of structural framing figure of the heating system for battery charger of the present invention.
Attached drawing 2 is the structural schematic diagram of heating layer in the present invention.
Attached drawing 3 is the structural schematic diagram of charger in the present invention.
In figure: 1 temperature sensor, 2 temperature detect switch (TDS)s, 3 electric heating films, 41 heat insulation layers, 42 heating units, 43 displays are single
Member, 5 shells, 6 battery compartments.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to specific reality of the invention
The mode of applying is described in further detail.
As shown in Fig. 1, a kind of heating system for battery charger provided by the invention, including input interface, DC-
DC converter, charging control unit, battery charging interface, control centre, heat control unit, heating unit, auxiliary power supply list
Member, display unit and control switch, control centre connect simultaneously DC-DC converter, charging control unit, heat control unit,
Battery charging interface, heating unit, auxiliary power unit, display unit and control switch, computer heating control center connect in heating
The heart, charging control unit connect battery charging interface, and DC-DC converter connects input interface.
Control centre reads battery temperature by battery charging interface in the present invention, when detecting temperature lower than threshold value,
Control centre controls heating unit by heat control unit and is heated, at this point, battery does not charge；When control centre detects
When the temperature of heating unit is higher than maximum heating threshold value, heating unit is controlled by heat control unit and stops heating；Work as control
When the temperature of Spot detection to heating unit heats threshold value lower than minimum, heating unit is controlled by heat control unit and starts to add
Heat；When control centre, which reads battery temperature by battery charging interface, is located at charging temperature section, pass through charging control unit
Control battery starts to charge, and during battery charging, control centre controls whether heating unit works by heat control unit,
Ensure that battery is located in charging temperature section.While charging, heating unit continues heating work, carries out heat preservation to battery and fills
Electricity makes the intracorporal battery in battery charger storehouse reach a good charging temperature environment (normal temperature environment state 15-30 degree), thus
The charging capacity efficiency of battery can be maintained close to room temperature charge efficiency.Entire heating system, which makes to heat in battery temperature, to be kept
In normal temperature environment, to make battery reach room temperature charging effect, therefore solving low temperature environment cannot be full to battery charging problems
Charge use demand under sufficient lithium battery low temperature.
Wherein, input interface is the supply input part of entire heating system, and input interface is high current metal DC5.5*
2.5 inputs DC, nominal input direct-current voltage range 5-34V.Protection, input undervoltage and input over voltage alarm are connect with anti-reverse
Prompt.Input interface selects high current metal DC5.5*2.5 to input DC in the present invention, compared to common plastic cement DC, low
It is durable under temperature, it is not easy to which that fragmentation, long service life, contact resistance is small, and overcurrent capability is strong；Wide input voltage range 5-34V is full
The most of DC power-supply systems of foot；Overvoltage/undervoltage warning note is inputted, charging system does not work, and guarantees the reliable and secure of system；Tool
There is anti-reverse protection, charger will not be damaged when input power supply polarity is reversed.
DC-DC converter is the power output part of entire heating system and charger, provides battery charging and heating institute
The energy and power needed.The input voltage of wide scope is changed into stable 4.25V voltage, output constant current by DC reduction voltage circuit
Electric current is 2.8A.DC converts wide input voltage range 5-34V in the present invention, meets most of DC power-supply systems；Operating temperature
Wide -40-+55 the degree of range；With output short circuit protection；
Charging control unit is the enabled control switch that charges, and is bidirectional electronic MOS switch, upon closing, battery and DC-DC
It is fully disconnected between converter；The security and reliability of offer system.
Control centre is the control core of entire heating system and charger, and whole system software automatically controls, control letter
Just, high reliablity, parameter are conveniently adjusted and update.Control centre of the present invention uses autonomous software design, intelligent control, adds automatically
Thermal management, automatic charging control, abnormality detection alarm, battery capacity indication and battery communication control, obtain battery data.
Heat control unit is automatic computer heating control electronic switch unit.It is specially anode and the dual electronic cutting of cathode
It closes, improves system reliability, even if there is an electronic switch damage to work there are also another switch, guarantee heating control circuit
It will not fail.
Auxiliary power unit provides safe and reliable 5V power supply for control system MCU and detection unit.
The information such as the working condition of charger, warning note, battery capacity are mainly supplied to user by display unit, are allowed
User knows the use state and information of battery charger.
Control switch is peripheral operation person's control switch and order, and battery capacity indication control switch, touching this switch can obtain
Current battery charge information is taken, while being also battery capacity instruction state.Computer heating control makes can control, when computer heating control switch makes
When energy, the automatic computer heating control of system is effective.
Heating unit provides heat transfer and insulation effect for battery heating, is the Heat transmission control core of entire heating system
The heart.Heating unit provides heat transfer and insulation effect for battery heating, is the Heat transmission control core of entire heating system.Heating
Unit includes heating layer, thermally conducting heat-spreading layer and heat insulation layer, and thermally conducting heat-spreading layer uniform fold is on heating layer, thermal insulation separation
Thermosphere uniform fold is in thermally conducting heat-spreading layer.
As shown in Fig. 2, heating layer includes electric heating film 3, temperature sensor 1 and temperature detect switch (TDS) 2 in the present invention, and temperature passes
Sensor is located at the middle position of electric heating film, and temperature detect switch (TDS) connects electric heating film and temperature sensor, when temperature sensor detects
Temperature be greater than 50 ° when, temperature detect switch (TDS) cut off electric heating film working condition.
Electric heating film is PI polyimides Electric radiant Heating Film in the present invention, and PI polyimides Electric radiant Heating Film is electric heating device, at this
It is 4.2V/8W that required heat, main heating component heating design power when heating are mainly generated in invention product.Upper heating group
Part PI polyimides Electric radiant Heating Film design power is 4.2V/4W.
PI polyimides Electric radiant Heating Film is also referred to as high-temperature electric heating membrane, is a kind of translucent metal flexible electricity of sandwich structure
Hotting mask, insulating layer are Kaptons；Kapton has dielectric strength good；Dielectric strength is excellent；Heat conduction efficiency
The features such as high；Heater is made of special Alloy Foil, and resistance stability with super strength, this is allowed it to widely
Suitable for heating art and quite high temperature control precision can be obtained.
Compared with traditional electrical heating elements, metal electric heating membrane has the advantage that special small, the weight pole that takes up space
Gently；Thickness is very thin, very soft, and minimum bending radius is only 0.8mm or so；Form and dimension is extremely flexible, is especially suitable for
In the minimum flexible electric heating membrane component of production area；Using plane heating system, surface power density maximum can reach 7.8W/
cm2.Therefore, this heating component have homogeneous heating performance it is more preferable, the rate of heat addition faster the characteristics of.
Temperature detection is sensed using small-sized NTC negative temperature coefficient, specifically can choose model MF52D103F3950, is hindered
Value is 10K, resistance accuracy 1%, temperature coefficient 3950.MF52D series, is the resin-coated type of lead epoxy in the same direction, has
Small in size, thermotonus speed is fastly, energy long-term stable work, consistency is good, resistance value and temperature coefficient precision are high, measuring accuracy
High, use temperature range is -40-130 degree.Temperature sensor main function: temperature sensor is used in present invention design
To acquire the surface temperature of heating layer, the acquisition of Lai Shixian heating unit temperature, to realize control centre to heating unit
Heating temperature automatic control and excess temperature abnormal protection etc..Master control control centre is adopted by adc data converter during heating
Collect the voltage value on temperature sensor, the temperature of current heating unit is judged by handling and calculating, when temperature reaches setting
When maximum temperature (40 degree), control centre controls heat control unit, and heating output is automatically closed.Prevent heating unit heats temperature
Height is spent, when heating unit temperature is reduced to 35 degree, system automatically turns on heating unit and heated, and heating system will heat
Cell temperature remains in 35-40 degree temperature range, and heating unit is substantially at heated at constant temperature state and is heated, battery
Homogeneous heating.
Temperature detect switch (TDS) is the stand-by protection switch in heating unit, when control centre is since accidental cause breaks down or adds
When thermal control electronic switch damages, when heating unit is uncontrolled to be directly heated, if charger battery charger under normal temperature state
Making calandria maximum temperature can reach 90 degree or more, allow temperature (70 degree) far more than battery itself, battery is for a long time this
Under environment, the performance of battery will affect, shorten the service life of battery.Battery catches fire, explosion etc. can be caused if serious.This hair
Temperature detect switch (TDS) uses 50 degree of normally closed temperature detect switch (TDS)s in bright deisgn product, and minimum controlling temperature is greater than 45 degree, and it is small that highest plays controlling temperature
In 55 degree.When the systems are operating normally, since temperature detect switch (TDS) is closed type, temperature detect switch (TDS) does not work, to entire control system
Do not influence.When exception generation or control loop failure, the work of heating unit continuous heating makes in this way in heating unit temperature
It rises, when temperature rises to temperature detect switch (TDS) operating temperature (50 degree of rated value), temperature detect switch (TDS) disconnects automatically, and cutting heating module supplies
Electricity reaches higher system safety to guarantee the safety and reliability of system.
The main function of thermally conducting heat-spreading layer is the even heat for generating PI polyimides Electric radiant Heating Film, height in the present invention
Effect quickly transfers out, and even heat is conducted to the battery for needing to heat, battery is heated evenly, and heating speed is fast, electricity
Each face temperature difference in pond is smaller, and heating effect is good.Specific design method: thermally conducting heat-spreading layer uses the aluminium alloy of 1.0 millimeters thicks
Plate is process.It is good that major advantage using aluminium alloy plate is that there is heat to pass to performance for it, thermal resistance is small, it is thermally conductive uniformly, it is small in size,
Light-weight, molding easy to process produces and processes high-efficient.
Heating unit is isolated with external environment in heat insulation layer in the present invention, the heat conduction for preventing electric heating film from generating
Into external environment, heating power is caused to lose, consumes amount of heat, heating effect is not achieved.Heat insulation layer is by low thermally conductive
Coefficient polymer thermal insulation material machine-shaping, is pasted on the outermost layer of electric heating film, heating layer is isolated with external environment, due to
The thermal coefficient of thermal insulation material is extremely low, and the heat for having blocked heating layer to generate conducts outward, and heat is all conducted to by heating layer
The battery for needing to heat will greatly improve the efficiency of battery heating in this way, shorten heating time.
Please refer to attached drawing 3, a kind of battery charger provided by the invention, including above-mentioned heating system, shell 5 and battery
Storehouse 6, battery compartment and heating system are located at interior of shell, are located in battery compartment when battery charges.Shell 5 is using resistance to low in the present invention
Temperature fire prevention PC is made, and the heating unit 42 in heating system is located at the two sides up and down of battery compartment 6, and display unit 43 is located at battery compartment
One end, heat insulation layer 41 is located on the shell.
The above description is only a preferred embodiment of the present invention, and the embodiment is not intended to limit patent protection of the invention
Range, thus it is all with the variation of equivalent structure made by specification and accompanying drawing content of the invention, it similarly should be included in this
In the protection scope of invention appended claims.
Claims (10)
1. a kind of heating system for battery charger, which is characterized in that including input interface, DC-DC converter, charging control
Unit, battery charging interface, control centre, heat control unit and heating unit processed, the control centre is simultaneously described in connection
DC-DC converter, charging control unit, heat control unit, battery charging interface and heating unit, the computer heating control center
Connect the heated center, the charging control unit connects the battery charging interface, described in the DC-DC converter connection
Input interface；
The control centre reads battery temperature by battery charging interface, when detecting temperature lower than threshold value, the control
Center controls the heating unit by the heat control unit and is heated, at this point, battery does not charge；When in the control
When the heart detects that the temperature of the heating unit is higher than maximum heating threshold value, the heating unit is controlled by heat control unit
Stop heating；When the control centre detects the temperature of the heating unit lower than minimum heating threshold value, controlled by heating
Unit processed controls the heating unit and begins to warm up；It is located at when the control centre reads battery temperature by battery charging interface
When charging temperature section, battery is controlled by the charging control unit and is started to charge, during battery charging, in the control
The heart controls whether the heating unit works by heat control unit, it is ensured that battery is located in charging temperature section.
2. a kind of heating system for battery charger according to claim 1, which is characterized in that the heating system
It further include auxiliary power unit, the auxiliary power unit connects the control centre and input interface.
3. a kind of heating system for battery charger according to claim 1, which is characterized in that the heating system
It further include display unit, the display unit connects the control centre.
4. a kind of heating system for battery charger according to claim 1, which is characterized in that the heating system
It further include control switch, the control switch connects the control centre.
5. a kind of heating system for battery charger according to claim 1, which is characterized in that the heating unit
Including heating layer, thermally conducting heat-spreading layer and heat insulation layer, the thermally conducting heat-spreading layer uniform fold is on the heating layer, institute
Heat insulation layer uniform fold is stated in the thermally conducting heat-spreading layer.
6. a kind of heating system for battery charger according to claim 5, which is characterized in that the heating layer packet
Electric heating film, temperature sensor and temperature detect switch (TDS) are included, the temperature sensor is located at the middle position of the electric heating film, described
Temperature detect switch (TDS) connects the electric heating film and temperature sensor, described when the temperature of temperature sensor detection is greater than 50 °
Temperature detect switch (TDS) cuts off the working condition of the electric heating film.
7. a kind of heating system for battery charger according to claim 6, which is characterized in that the electric heating film
For PI polyimides Electric radiant Heating Film.
8. a kind of heating system for battery charger according to claim 1, which is characterized in that the charge control
Unit is bidirectional electronic MOS switch.
9. a kind of heating system for battery charger according to claim 1, which is characterized in that the computer heating control
Unit is anode and the dual electronic switch of cathode.
10. a kind of battery charger, which is characterized in that including heating system described in claim 1, shell and battery compartment, institute
It states battery compartment and heating system is located in the shell portion, be located in the battery compartment when battery charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555856.XA CN109450043A (en) | 2018-12-19 | 2018-12-19 | A kind of battery charger containing heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555856.XA CN109450043A (en) | 2018-12-19 | 2018-12-19 | A kind of battery charger containing heating system |
Publications (1)
| Publication Number | Publication Date |
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| CN109450043A true CN109450043A (en) | 2019-03-08 |
Family
ID=65559487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811555856.XA Pending CN109450043A (en) | 2018-12-19 | 2018-12-19 | A kind of battery charger containing heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146819A (en) * | 2019-05-22 | 2019-08-20 | 广州小鹏汽车科技有限公司 | Practical heating-up time evaluation method and system, automobile, device and computer readable storage medium before battery charges |
| CN112117516A (en) * | 2019-06-20 | 2020-12-22 | 中车时代电动汽车股份有限公司 | Battery heating system |
| CN115243406A (en) * | 2022-07-20 | 2022-10-25 | 刘太强 | Heating device |
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| CN203056041U (en) * | 2013-01-15 | 2013-07-10 | 无锡新纬电池有限公司 | Pre-heating device for charging lithium battery module |
| CN203522270U (en) * | 2013-10-23 | 2014-04-02 | 尚禹河北电子科技有限公司 | Lithium battery charger with environment temperature adaption |
| CN205610257U (en) * | 2016-03-29 | 2016-09-28 | 维沃移动通信有限公司 | Mobile terminal's heating control circuit and mobile terminal |
| CN207869415U (en) * | 2018-02-28 | 2018-09-14 | 北京国能电池科技股份有限公司 | Heating film and heating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203056041U (en) * | 2013-01-15 | 2013-07-10 | 无锡新纬电池有限公司 | Pre-heating device for charging lithium battery module |
| CN203522270U (en) * | 2013-10-23 | 2014-04-02 | 尚禹河北电子科技有限公司 | Lithium battery charger with environment temperature adaption |
| CN205610257U (en) * | 2016-03-29 | 2016-09-28 | 维沃移动通信有限公司 | Mobile terminal's heating control circuit and mobile terminal |
| CN207869415U (en) * | 2018-02-28 | 2018-09-14 | 北京国能电池科技股份有限公司 | Heating film and heating device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146819A (en) * | 2019-05-22 | 2019-08-20 | 广州小鹏汽车科技有限公司 | Practical heating-up time evaluation method and system, automobile, device and computer readable storage medium before battery charges |
| CN110146819B (en) * | 2019-05-22 | 2021-04-13 | 广州小鹏汽车科技有限公司 | Method and system for estimating actual temperature rise time of battery, automobile, device and storage medium |
| CN112117516A (en) * | 2019-06-20 | 2020-12-22 | 中车时代电动汽车股份有限公司 | Battery heating system |
| CN112117516B (en) * | 2019-06-20 | 2022-02-11 | 中车时代电动汽车股份有限公司 | Battery heating system |
| CN115243406A (en) * | 2022-07-20 | 2022-10-25 | 刘太强 | Heating device |
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