CN110400990A - Battery temperature control method and battery temperature control circuit - Google Patents
Battery temperature control method and battery temperature control circuit Download PDFInfo
- Publication number
- CN110400990A CN110400990A CN201910623114.4A CN201910623114A CN110400990A CN 110400990 A CN110400990 A CN 110400990A CN 201910623114 A CN201910623114 A CN 201910623114A CN 110400990 A CN110400990 A CN 110400990A
- Authority
- CN
- China
- Prior art keywords
- detection
- voltage
- temperature
- detection signal
- battery temperature
- 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.)
- Granted
Links
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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4264—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing with capacitors
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
-
- 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
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- 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
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of battery temperature control method and battery temperature control circuit, battery temperature control method includes obtaining the corresponding first detection signal of environment temperature；Whether detection first detection signal matches with the first preset signals；When first detection signal is matched with the first preset signals, the corresponding second detection signal of battery temperature is obtained；Whether detection the second detection signal matches with the second preset signals；When the second detection signal is matched with the second preset signals, heater circuit is opened.Detect the match condition of first detection signal and the first preset signals, when first detection signal is matched with the first preset signals, show that environment temperature is lower, the match condition of the second detection signal and the second preset signals is continued to test at this time, when the second detection signal is matched with the second preset signals, show that battery temperature is lower, then opening heater circuit is that battery is heated, so that the temperature of battery rises, it is ensured that battery normal charge and discharge under low-temperature environment.
Description
Technical field
The present invention relates to battery technology fields, control electricity more particularly to a kind of battery temperature control method and battery temperature
Road.
Background technique
With the promotion of lives of the people level, in the event of a power failure, emergency light is as emergency lighting or emergency service
Illuminations required for.Traditional emergency light is discharged by included charge-discharge battery, so that the illumination of emergency light
Device persistently illuminates, and effective charge and discharge electro-temperature of traditional charge and discharge battery needs to be greater than subzero 30 degree, and extremely low in environment temperature
In the case where, battery temperature lower than this temperature will lose activity because of electrolyte cause can hardly charge and discharge so that charge and discharge battery
It can not work normally.
Summary of the invention
Based on this, it is necessary to provide a kind of step it is simple and improve the battery temperature control method of cell working stability and
Battery temperature control circuit.
A kind of battery temperature control method, comprising: obtain the corresponding first detection signal of environment temperature；Detect described first
Whether detection signal matches with the first preset signals；When the first detection signal is matched with the first preset signals, electricity is obtained
The corresponding second detection signal of pond temperature；Detect whether the second detection signal matches with the second preset signals；When described
When two detection signals are matched with the second preset signals, heater circuit is opened.
The corresponding first detection signal of the acquisition environment temperature includes: to obtain environment temperature in one of the embodiments,
Spend corresponding first detection voltage；It includes: detection that whether the detection first detection signal matches with the first preset signals
Whether the first detection voltage matches with the first predeterminated voltage；It is described to work as the first detection signal and the first preset signals
Timing, obtaining the corresponding second detection signal of battery temperature includes: when the first detection voltage is matched with the first predeterminated voltage
When, obtain the corresponding second detection voltage of battery temperature.
Whether the detection the first detection voltage with the first predeterminated voltage matches packet in one of the embodiments,
Include: whether detection the first detection voltage is greater than or equal to first predeterminated voltage；It is described to work as the first detection voltage
When matching with the first predeterminated voltage, obtaining the corresponding second detection voltage of battery temperature includes: when the first detection voltage is big
When first predeterminated voltage, the corresponding second detection voltage of battery temperature is obtained.
Whether the detection the first detection voltage it is default be greater than or equal to described first in one of the embodiments,
After voltage further include: when the first detection voltage is less than first predeterminated voltage, close heater circuit.
Whether the detection the second detection signal with the second preset signals matches packet in one of the embodiments,
Include: whether detection the second detection voltage matches with the second predeterminated voltage；It is described to work as the second detection signal and second in advance
If when Signal Matching, opening heater circuit includes: to open heating when the second detection voltage is matched with the second predeterminated voltage
Circuit.
Whether the detection the second detection voltage with the second predeterminated voltage matches packet in one of the embodiments,
Include: whether detection the second detection voltage is greater than or equal to the second predeterminated voltage；It is described when the second detection voltage and the
Two predeterminated voltages match when, open heater circuit include: when it is described second detection voltage be greater than or equal to the second predeterminated voltage when,
Open heater circuit.
Whether the detection the second detection voltage is greater than or equal to the second predeterminated voltage in one of the embodiments,
Later further include: when the second detection voltage is less than the second predeterminated voltage, close heater circuit.
A kind of battery temperature control circuit, comprising: control module, the first detection circuit, the second detection circuit and temperature control
Circuit；The first input end of the control module is connect with the output end of first detection circuit, first detection circuit
Output end export first detection signal, the output end of the second input terminal of the control module and second detection circuit connects
It connects, output end output the second detection signal of second detection circuit, the output end of the control module and temperature control electricity
The input terminal on road connects；The control module is for detecting whether the first detection signal matches with the first preset signals；When
When the first detection signal is matched with the first preset signals, detect it is described second detection signal whether with the second preset signals
Match；When the second detection signal is matched with the second preset signals, heater circuit is opened；First detection circuit is for obtaining
Take the corresponding first detection signal of environment temperature；Second detection circuit is used for default with first when the first detection signal
When Signal Matching, the corresponding second detection signal of battery temperature is obtained.
First detection circuit includes first resistor, the first heat detector and first capacitor in one of the embodiments,
For the first end of the first resistor for connecting with external power supply, the second end of the first resistor passes through first heat detector
Ground connection, the second end of the first resistor are also grounded by the first capacitor, the second end of the first resistor and the control
The first input end of molding block connects.
Second detection circuit includes second resistance, the second heat detector and the second capacitor in one of the embodiments,
For the first end of the second resistance for connecting with external power supply, the second end of the second resistance passes through second heat detector
Ground connection, the second end of the second resistance also pass through second capacity earth, the second end of the second resistance and the control
Second input terminal of molding block connects.
In above-mentioned battery temperature control method and battery temperature control circuit, the corresponding first detection letter of detection environment temperature
Match condition number with the first preset signals then shows environment temperature when first detection signal is matched with the first preset signals
It is lower, battery temperature is detected at this time, continues to test the matching of battery temperature corresponding second detection signal and the second preset signals
Situation then shows that battery temperature is lower, then opens heater circuit as electricity when the second detection signal is matched with the second preset signals
Pond is heated, so that the temperature of battery rises, it is ensured that battery normal charge and discharge under low-temperature environment improve battery work
The stability of work.
Detailed description of the invention
Fig. 1 is the flow chart of the battery temperature control method of an embodiment；
Fig. 2 is the structural schematic diagram of the battery temperature control circuit of an embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
The present invention relates to a kind of battery temperature control methods.For example, the battery temperature control method includes: acquisition environment
The corresponding first detection signal of temperature；Detect whether the first detection signal matches with the first preset signals；When described first
When detection signal is matched with the first preset signals, the corresponding second detection signal of battery temperature is obtained；Detect second detection
Whether signal matches with the second preset signals；When the second detection signal is matched with the second preset signals, heating electricity is opened
Road.In above-mentioned battery temperature control method, the matching of detection environment temperature corresponding first detection signal and the first preset signals
Situation then shows that environment temperature is lower, detects battery temperature at this time when first detection signal is matched with the first preset signals,
The match condition for continuing to test battery temperature corresponding second detection signal and the second preset signals detects signal and the when second
When two preset signals match, then show that battery temperature is lower, then opening heater circuit is that battery is heated, so that the temperature of battery
Degree rises, it is ensured that battery normal charge and discharge under low-temperature environment improve the stability of battery work.
Referring to Fig. 1, its flow chart for the battery temperature control method of one embodiment of the invention.
A kind of battery temperature control method, what is included the following steps is some or all of:
S100: the corresponding first detection signal of environment temperature is obtained.
In the present embodiment, it for the control of the temperature of battery, needs to judge environment locating for battery, i.e., to electricity
The height of the measurement of the temperature of pond local environment, the environment temperature of battery is embodied by battery temperature control circuit, in this implementation
In example, temperature signal is converted to first detection signal by battery temperature control circuit, by the conversion of signal, so that locating for battery
Environment temperature be converted to corresponding detection signal so that temperature signal be converted to battery temperature control circuit directly can be with
The signal detected.
S200: detect whether the first detection signal matches with the first preset signals.
In the present embodiment, the first detection signal corresponds to the Current Temperatures of battery local environment, and described first is pre-
If signal corresponds to one of temperature in environment temperature, wherein the first detection signal corresponds to battery local environment
Current Temperatures can be lower than first preset signals correspond to environment temperature, be also possible to the first detection signal pair
It should can be in the Current Temperatures of battery local environment and correspond to environment temperature higher than first preset signals.Environment temperature is
Can be changed at any time, i.e., battery ambient temperature is a variable, so that the first detection signal is also a variable, i.e.,
The corresponding temperature value of the first detection signal be it is variable, according to the corresponding temperature value of the first detection signal and described the
The matching result of the corresponding temperature value of one preset signals, so that the corresponding temperature value of first preset signals is for judging electricity
The foundation of pool environment temperature height judges battery context according to the first detection signal and the first preset signals match condition
Whether temperature reaches assigned temperature, consequently facilitating the subsequent temperature for determining whether to detection battery.
S300: when the first detection signal is matched with the first preset signals, corresponding second inspection of battery temperature is obtained
Survey signal.
In the present embodiment, first preset signals correspond to a reference environment temperature, i.e., the described first default letter
It number is the signal set, so that the corresponding environment temperature of first preset signals is a fixed temperature, described
One detection signal is obtained in real time from battery temperature control circuit, for obtaining the situation of change of environment temperature, i.e., described
First detection signal corresponds to the environment temperature of temperature value variation.The environment temperature detected when battery temperature control circuit and institute
When stating the reference environment Temperature Matching that the first preset signals correspond to, i.e., environment temperature reaches first preset signals and corresponds to
Reference environment temperature, show that environment temperature reaches assigned temperature at this time, and environment temperature is lower, need further to obtain at this time
The temperature of battery, the temperature of the battery temperature meter battery surface or the temperature of inside battery.And battery temperature passes through battery temperature
Degree control circuit is converted to corresponding second detection signal, i.e., the second detection signal corresponds to the temperature on battery surface, described
The situation of change of second detection signal embodies the situation of change of battery surface temperature, and the height of battery surface temperature directly affects
The working condition of battery, it is therefore desirable to battery surface temperature be detected, convenient for the subsequent control to battery temperature, so that electric
Pond works in the temperature of normal charge and discharge.
S400: whether detection the second detection signal matches with the second preset signals.
In the present embodiment, second preset signals correspond to one of numerical value of battery temperature, second inspection
Survey the real time temperature that signal corresponds on battery surface, i.e., the described second detection signal corresponds to the Current Temperatures of battery surface,
And the second detection signal corresponds to the battery temperature of variation, second preset signals correspond to determining for battery surface temperature
Value.The matching of the second detection signal and second preset signals compares, it is practical be exactly the real time temperature of battery surface and
One fixed temperature carries out matching comparison, i.e. the real-time temperature values of battery surface are compared with the fixed temperature value of battery surface
Match, wherein the corresponding battery surface temperature of the second detection signal is to continue to obtain, convenient for the reality to battery surface temperature
When monitor, consequently facilitating judge relationship between the Current Temperatures of battery surface and battery surface fixed temperature, and then convenient for subsequent
Control the working condition of heater circuit.
S500: when the second detection signal is matched with the second preset signals, heater circuit is opened.
In the present embodiment, the corresponding battery Current Temperatures of the second detection signal are corresponding with second preset signals
Fixed temperature match, show the assigned temperature that the temperature of battery surface at this time reaches, and battery surface temperature is lower, in order to
Battery work electrolyte activity in low temperature environment is improved, the heater being located in the heater circuit of battery surface is opened, so that
The temperature fast lifting of battery, so that the activity of the electrolyte of battery improves, so that battery can be in low temperature environment
Normal charge and discharge.
In the above-described embodiments, the matching feelings of detection environment temperature corresponding first detection signal and the first preset signals
Condition then shows that environment temperature is lower, detects battery temperature at this time when first detection signal is matched with the first preset signals, after
Continuous detection battery temperature corresponding second detects the match condition of signal and the second preset signals, when the second detection signal and second
When preset signals match, then show that battery temperature is lower, then opening heater circuit is that battery is heated, so that the temperature of battery
Rise, it is ensured that battery normal charge and discharge under low-temperature environment improve the stability of battery work.
In one embodiment, the corresponding first detection signal of the acquisition environment temperature includes: and obtains environment temperature to correspond to
First detection voltage；It includes: to detect described that whether the detection first detection signal match with the first preset signals
Whether one detection voltage matches with the first predeterminated voltage；It is described when the first detection signal is matched with the first preset signals,
Obtaining the corresponding second detection signal of battery temperature includes: to obtain when the first detection voltage is matched with the first predeterminated voltage
Take the corresponding second detection voltage of battery temperature.
In the present embodiment, it detects signal and preset signals is voltage signal, i.e., first detection signal is the first detection
Voltage, the second detection signal are the second detection voltage, and the first preset signals are the first predeterminated voltage, first detection of acquisition
Signal is the first voltage signal for obtaining battery temperature control electric current, detects whether the first detection signal is preset with first
Signal Matching is to detect whether the first detection voltage matches with the first predeterminated voltage, so that environment temperature corresponds to the first detection
Voltage, a fixed temperature in environment temperature correspond to the first predeterminated voltage, and battery temperature corresponds to the second detection voltage.This
Sample, environment temperature and battery temperature correspond to different voltage, and temperature signal is converted to voltage signal, i.e., turn physical signal
Be changed to electric signal so that the comparison of temperature height is converted to the comparison of voltage swing, convenient for processing chip obtain environment temperature with
And the corresponding voltage of battery temperature, consequently facilitating the detection to environment temperature and battery temperature.
In one embodiment, it includes: detection that whether the detection the first detection voltage matches with the first predeterminated voltage
Whether the first detection voltage is greater than or equal to first predeterminated voltage；It is described to work as the first detection voltage and first in advance
If when voltage matches, obtaining the corresponding second detection voltage of battery temperature includes: when the first detection voltage is greater than or equal to
When first predeterminated voltage, the corresponding second detection voltage of battery temperature is obtained.
In the present embodiment, the first detection voltage is inversely proportional with environment temperature, i.e., environment temperature is lower, and described first
The pressure value for detecting voltage is bigger, and first predeterminated voltage corresponds to a battery temperature control circuit at a temperature of fixed environment
The first detection voltage, wherein the corresponding temperature of first predeterminated voltage is one during environment temperature real-time change.
The first detection voltage is compared between first predeterminated voltage, as real-time environment temperature and fixed environment temperature
Between comparison, when it is described first detection voltage be greater than or equal to first predeterminated voltage when, show that real time environment temperature is low
In fixed environment temperature, that is, show that environment temperature at that time is lower.At this time in order to enable the normal charge and discharge of battery energy, guarantee battery
Temperature is located at a higher temperature, needs to detect battery temperature, can define current electricity by obtaining battery temperature
Whether pond works in normal state.
In one embodiment, it is described detection it is described first detection voltage whether be greater than or equal to first predeterminated voltage it
Afterwards further include: when the first detection voltage is less than first predeterminated voltage, close heater circuit.In the present embodiment,
Voltage value and temperature value are in inverse ratio, and the first detection voltage is less than first predeterminated voltage and shows that current environment temperature is high
In fixed environment temperature, that is, show that current environment temperature is higher than specified environment temperature, namely show current environment temperature
Degree is higher, and battery is not in low temperature environment, and the normal charge and discharge of battery at this time do not need to heat up to battery, reduces
The excessively high spoilage of battery temperature.
In one embodiment, temperature value is proportional with voltage value, i.e., environment temperature is higher, the electricity of the first detection voltage
Pressure value is bigger, and it includes: detection first detection that whether detection the first detection voltage matches with the first predeterminated voltage
Whether voltage is less than or equal to first predeterminated voltage；It is described when it is described first detection voltage matched with the first predeterminated voltage
When, obtaining the corresponding second detection voltage of battery temperature includes: when the first detection voltage is less than or equal to described first in advance
If when voltage, obtaining the corresponding second detection voltage of battery temperature.In this way, when current environmental temperature is lower than the first predeterminated voltage pair
The voltage value of the temperature answered, the first detection voltage is less than or equal to first predeterminated voltage, shows current environmental temperature
In low-temperature condition.
In one embodiment, it includes: detection that whether the detection the second detection signal matches with the second preset signals
Whether the second detection voltage matches with the second predeterminated voltage；It is described to work as the second detection signal and the second preset signals
Timing, opening heater circuit includes: to open heater circuit when the second detection voltage is matched with the second predeterminated voltage.
In the present embodiment, it detects signal and preset signals is voltage signal, i.e., the second detection signal is the second detection
Voltage, the second preset signals are the second predeterminated voltage, and the second detection signal of acquisition is to obtain battery temperature control electricity
The second voltage signal of stream, detects whether the second detection signal is matched with the second preset signals Ji Wei detection the second detection electricity
Whether pressure matches with the second predeterminated voltage, so that current battery temperature detects voltage corresponding to second, one in battery temperature
Fixed temperature corresponds to the second predeterminated voltage, wherein the corresponding temperature of second predeterminated voltage is battery temperature real-time change
In the process one.In this way, battery temperature corresponds to different voltage, temperature signal is converted into voltage signal, i.e., by physics
Signal is converted to electric signal, so that the comparison of battery temperature height is converted to the comparison of voltage swing, obtains convenient for processing chip
The corresponding voltage of battery temperature, consequently facilitating the detection to battery temperature.Moreover, when the second detection voltage and second is preset
When voltage matches, that is, show the battery detected Current Temperatures and default battery temperature successful match, namely show battery
Current Temperatures be lower than the second preset temperature, battery temperature at this time reaches lower temperature, makes electricity by opening heater circuit
Pond temperature increases, it is ensured that battery normal charge and discharge under low-temperature environment improve the stability of battery work.
In one embodiment, it includes: detection that whether the detection the second detection voltage matches with the second predeterminated voltage
Whether the second detection voltage is greater than or equal to the second predeterminated voltage；It is described to work as the second detection voltage and the second default electricity
When pressure matching, opening heater circuit includes: to open heating when the second detection voltage is greater than or equal to the second predeterminated voltage
Circuit.In the present embodiment, the second detection voltage is inversely proportional with battery temperature, i.e., battery temperature is lower, second inspection
The pressure value for surveying voltage is bigger, and second predeterminated voltage corresponds to the battery temperature control circuit under a fixed battery temperature
Second detection voltage, wherein the corresponding temperature of second predeterminated voltage is one during battery temperature real-time change.Institute
The second detection voltage is stated compared between second predeterminated voltage, as real-time battery temperature and fixed battery temperature it
Between comparison, when it is described second detection voltage be greater than or equal to second predeterminated voltage when, show that real-time battery temperature is lower than
Fixed battery temperature, that is, show that battery temperature at that time is lower.At this time in order to enable the normal charge and discharge of battery energy, guarantee battery table
The temperature in face is located at a higher temperature, needs to heat up to battery, by opening heater circuit, so that battery surface
Temperature is increased to a more appropriate temperature, so that the normal charge and discharge of battery.
In one embodiment, whether the detection the second detection voltage is greater than or equal to after the second predeterminated voltage also
It include: to close heater circuit when the second detection voltage is less than the second predeterminated voltage.In the present embodiment, voltage value with
Temperature value is in inverse ratio, and the second detection voltage is less than second predeterminated voltage and shows that current battery temperature is higher than fixation
Battery temperature shows that current battery temperature is higher than specified battery temperature, namely shows that current battery temperature is higher, electric
The surface temperature in pond is not in low temperature environment, and the normal charge and discharge of battery at this time do not need to heat up to battery, that is, close
Heater circuit is closed, the excessively high spoilage of battery temperature is reduced.
In one embodiment, temperature value is proportional with voltage value, i.e., battery temperature is higher, the electricity of the second detection voltage
Pressure value is bigger, and it includes: detection second detection that whether detection the second detection voltage matches with the second predeterminated voltage
Whether voltage is less than or equal to second predeterminated voltage；It is described when it is described second detection voltage matched with the second predeterminated voltage
When, opening heater circuit includes: to open heating electricity when the second detection voltage is less than or equal to second predeterminated voltage
Road.In this way, current battery temperature be lower than the corresponding temperature of the second predeterminated voltage, it is described second detection voltage voltage value be less than or
Equal to second predeterminated voltage, show that current battery temperature is in low-temperature condition, at this time by opening heater circuit, so that electric
The temperature of pool surface is increased to a more appropriate temperature, so that the normal charge and discharge of battery.
In one embodiment, the corresponding temperature of first predeterminated voltage is lower than the corresponding temperature of second predeterminated voltage
Degree.
In one embodiment, the corresponding temperature of first predeterminated voltage is subzero 50 degrees Celsius, the described second default electricity
Pressing corresponding temperature is subzero 30 degrees Celsius.
In one embodiment, described when the second detection voltage is matched with the second predeterminated voltage, open heater circuit
Later include: whether detection the second detection voltage is less than third predeterminated voltage；When whether the second detection voltage is less than
When third predeterminated voltage, heater circuit is closed.In the present embodiment, the corresponding temperature of the third predeterminated voltage is higher than described the
The corresponding temperature of two predeterminated voltages, for example, the corresponding temperature of the third predeterminated voltage is 0 degree Celsius.Due to temperature and voltage
Between be in inverse relation, when whether the second detection voltage is less than third predeterminated voltage, show that current battery temperature is high
In the corresponding temperature of the third predeterminated voltage, battery at this time is in normal charging and discharging state, closes heater circuit to reduce
Failure rate caused by battery temperature is excessively high.
In one embodiment, whether the detection the second detection voltage is less than after third predeterminated voltage further include:
When the second detection voltage is greater than or equal to third predeterminated voltage, heater circuit is maintained to open.In the present embodiment, described
Third predeterminated voltage also corresponds to one in the battery temperature of variation, moreover, the corresponding temperature of the third predeterminated voltage is high
In the corresponding temperature of second predeterminated voltage, the second detection voltage is greater than or equal to third predeterminated voltage, shows battery
Temperature is higher than the corresponding temperature of second predeterminated voltage and is lower than the corresponding temperature of the third predeterminated voltage, i.e., current electricity
Pond temperature is between the corresponding temperature of second predeterminated voltage and the corresponding temperature of the third predeterminated voltage, wherein institute
Stating the corresponding temperature of third predeterminated voltage is the maximum temperature that heater circuit heats battery, in order to enable battery work is normally being filled
In the state of electric discharge, by the corresponding second detection voltage of detection battery temperature, the unlatching of heater circuit is controlled, is guaranteed on battery
Temperature maintain a suitable temperature.
In one embodiment, a kind of battery temperature control circuit is provided, referring to Fig. 2, a kind of battery temperature control circuit
10 include: control module, the first detection circuit 100, the second detection circuit 200 and temperature control circuit 300；In the present embodiment, control
Molding block includes processing chip U1, and the first input end INT1 for handling chip U1 is defeated with first detection circuit 100
Outlet TA connection, the output end TA of first detection circuit 100 exports first detection signal, described to handle the second of chip U1
Input terminal INT2 is connect with the output end TB of second detection circuit 200, and the output end TB of second detection circuit 200 is defeated
The output end OUT1 of second detection signal out, the processing chip U1 is connect with the input terminal HP of the temperature control circuit 300；It is described
Processing chip U1 is for detecting whether the first detection signal matches with the first preset signals；When the first detection signal with
When first preset signals match, detect whether the second detection signal matches with the second preset signals；When second detection
When signal is matched with the second preset signals, heater circuit is opened；First detection circuit 100 is corresponding for obtaining environment temperature
First detection signal；Second detection circuit 200 is used for when the first detection signal is matched with the first preset signals,
Obtain the corresponding second detection signal of battery temperature.In the present embodiment, the first detection signal includes the first detection voltage,
The second detection signal includes the second detection voltage, and first preset signals include the first predeterminated voltage, and described second is pre-
If signal includes the second predeterminated voltage.
In one embodiment, referring to Fig. 2, first detection circuit 100 includes first resistor R1, the first heat detector
The first end of NTC1 and first capacitor C1, the first resistor R1 are used to connect with external power supply VSS, the first resistor R1's
Second end is grounded by the first heat detector NTC1, and the second end of the first resistor R1 is also connect by the first capacitor C1
Ground, the second end of the first resistor R1 are connect with the first input end INT1 of the processing chip U1.First heat detector
For NTC1 for detecting environment temperature, the first end of the first heat detector NTC1 is the second end of the first resistor R1, described
The second end of first resistor R1 is equal to described for the corresponding first detection voltage of output environment temperature, the first detection voltage
Voltage drop on first heat detector NTC1, and the voltage drop of the first heat detector NTC1 is related to environment temperature, passes through
The environment temperature of variation is detected, so that the voltage of the first end of the first heat detector NTC1 changes, i.e., described first inspection
Survey voltage change.In the present embodiment, the first heat detector NTC1 includes NTC (Negative Temperature
Coefficient, negative temperature coefficient) resistance, the first detection voltage is the voltage of the first end of NTC resistance, so that described
The size of first detection voltage and the size of environment temperature are in inverse ratio, i.e., when environment temperature is lower, the resistance value of NTC resistance is got over
Greatly, the first detection voltage is also bigger, by obtaining the size of the first detection voltage, reflects current environmental temperature
Size.Wherein, the first capacitor C1 reduces the electricity that high-frequency signal is contaminated in the first detection voltage for filtering
Pressure obtains the first detection voltage so that the first detection voltage output is more stable convenient for processing chip U1.
In one embodiment, the first resistor and first heat detector exchange setting, and first heat detector includes
NTC resistance, for the first end of first heat detector for connecting with external power supply VSS, the second end of first heat detector is logical
The first resistor ground connection is crossed, the second end of first heat detector is also grounded by the first capacitor, first warming
The second end of device is connect with the first input end of the processing chip.In this way, the first detection voltage and environment temperature are in just
Than that is, when environment temperature is lower, the first detection voltage is smaller.
In one embodiment, referring to Fig. 2, second detection circuit 200 includes second resistance R2, the second heat detector
The first end of NTC2 and the second capacitor C2, the second resistance R2 are used to connect with external power supply VSS, the second resistance R2's
Second end is grounded by the second heat detector NTC2, and the second end of the second resistance R2 also passes through the second capacitor C2 and connects
Ground, the second end of the second resistance R2 are connect with the second input terminal INT2 of the processing chip U1.Second heat detector
For NTC2 for detecting battery temperature, the first end of the second heat detector NTC2 is the second end of the second resistance R2, described
The second end of second resistance R2 is equal to described for exporting the corresponding second detection voltage of battery temperature, the second detection voltage
Voltage drop on second heat detector NTC2, and the voltage drop of the second heat detector NTC2 is related to battery temperature, passes through
The battery temperature of variation is detected, so that the voltage of the first end of the second heat detector NTC2 changes, i.e., described second inspection
Survey voltage change.In the present embodiment, the second heat detector NTC2 includes NTC resistance, and the second detection voltage is NTC electricity
The voltage of the first end of resistance, so that the size of the second detection voltage and the size of battery temperature are in inverse ratio, i.e., when battery temperature
When spending lower, the resistance value of NTC resistance is bigger, and the second detection voltage is also bigger, by obtaining the second detection voltage
Size reflects the size of current battery temperature.Wherein, the second capacitor C2 reduces second detection for filtering
The voltage of high-frequency signal is contaminated in voltage, so that the second detection voltage output is more stable, convenient for processing chip
U1 obtains the second detection voltage.
In one embodiment, the second resistance and second heat detector exchange setting, and second heat detector includes
NTC resistance, for the first end of second heat detector for connecting with external power supply, the second end of second heat detector passes through institute
Second resistance ground connection is stated, the second end of second heat detector also passes through second capacity earth, second heat detector
Second end is connect with the second input terminal of the processing chip.In this way, the second detection voltage and battery temperature are proportional, i.e.,
When battery temperature is lower, the second detection voltage is smaller.
In one embodiment, first heat detector and second heat detector include PTC (Positive
Temperature Coefficient, positive temperature coefficient) resistance.
In one embodiment, it detects signal and preset signals includes current signal, for example, first detection circuit includes
First resistor, the first heat detector and first capacitor, first resistor, the first heat detector and first capacitor are in parallel, first detection
Signal is the current signal of first heat detector；For another example, second detection circuit include second resistance, the second heat detector and
Second capacitor, second resistance, the second heat detector and the second capacitor are in parallel, and the second detection signal is second heat detector
Current signal.The electric current and environment temperature of first heat detector are proportional, the electric current and battery temperature of second heat detector
It is proportional.For other signals, as long as the relationship that can be embodied between detection signal and temperature signal is suitable for above-mentioned reality
Apply example.
In one embodiment, referring to Fig. 2, the temperature control circuit 300 includes heater HE1,3rd resistor R3 and electricity
The first end of sub switch pipe Q1, the heater HE1 for connect with reference power supply VDD, the second end of the heater HE1 and
The first end T1 connection of the electronic switching tube Q1, the control terminal T0 of the electronic switching tube Q1 are connect by the 3rd resistor R3
Ground, for being grounded, the control terminal T0 of the electronic switching tube Q1 is also used to and the place electronic switching tube Q1 second end T2
Manage the output end OUT1 connection of chip U1.It is and described when the first detection voltage is greater than or equal to first predeterminated voltage
When second detection voltage is greater than or equal to second predeterminated voltage, the high electricity of output end OUT1 output of the processing chip U1
Position, so that the electronic switching tube Q1 is connected, so that the heater HE1 starts to work, i.e., the described heater HE1 is in
Heated condition is heated for battery.In the present embodiment, the electronic switching tube Q1 includes N-type isolated gate FET, institute
The first end for stating electronic switching tube Q1 is the drain electrode of N-type isolated gate FET, and the second end of the electronic switching tube Q1 is N-type
The source electrode of isolated gate FET, the control terminal of the electronic switching tube Q1 are the grid of N-type isolated gate FET.
In one embodiment, the heater is heating film.
In one embodiment, the heater is the heat coil of multiple resistance wires winding composition.
In one embodiment, external power supply and reference power supply are the low pressure by will obtain after the filtering decompression of commercial power rectification
Direct current, and the output voltage of reference power supply is greater than the output voltage of external power supply.
Above-mentioned battery temperature control circuit, of detection environment temperature corresponding first detection signal and the first preset signals
With situation, when first detection signal is matched with the first preset signals, then show that environment temperature is lower, detects battery temperature at this time
Degree continues to test the match condition of battery temperature corresponding second detection signal and the second preset signals, when the second detection signal
When matching with the second preset signals, then show that battery temperature is lower, then opening heater circuit is that battery is heated, so that battery
Temperature rise, it is ensured that battery normal charge and discharge under low-temperature environment, improve battery work stability.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of battery temperature control method characterized by comprising
Obtain the corresponding first detection signal of environment temperature；
Detect whether the first detection signal matches with the first preset signals；
When the first detection signal is matched with the first preset signals, the corresponding second detection signal of battery temperature is obtained；
Detect whether the second detection signal matches with the second preset signals；
When the second detection signal is matched with the second preset signals, heater circuit is opened.
2. battery temperature control method according to claim 1, which is characterized in that the acquisition environment temperature corresponding
One, which detects signal, includes:
Obtain the corresponding first detection voltage of environment temperature；
Whether the detection first detection signal matches with the first preset signals includes:
Detect whether the first detection voltage matches with the first predeterminated voltage；
It is described when the first detection signal is matched with the first preset signals, obtain battery temperature it is corresponding second detection signal
Include:
When the first detection voltage is matched with the first predeterminated voltage, the corresponding second detection voltage of battery temperature is obtained.
3. battery temperature control method according to claim 2, which is characterized in that detection the first detection voltage
Whether matched with the first predeterminated voltage and includes:
Detect whether the first detection voltage is greater than or equal to first predeterminated voltage；
It is described when it is described first detection voltage match with the first predeterminated voltage when, acquisition battery temperature it is corresponding second detect voltage
Include:
When the first detection voltage is greater than or equal to first predeterminated voltage, corresponding second detection of battery temperature is obtained
Voltage.
4. battery temperature control method according to claim 3, which is characterized in that detection the first detection voltage
Whether it is greater than or equal to after first predeterminated voltage further include:
When the first detection voltage is less than first predeterminated voltage, heater circuit is closed.
5. battery temperature control method according to claim 1, which is characterized in that detection the second detection signal
Whether matched with the second preset signals and includes:
Detect whether the second detection voltage matches with the second predeterminated voltage；
It is described when it is described second detection signal matched with the second preset signals when, unlatching heater circuit include:
When the second detection voltage is matched with the second predeterminated voltage, heater circuit is opened.
6. battery temperature control method according to claim 5, which is characterized in that detection the second detection voltage
Whether matched with the second predeterminated voltage and includes:
Detect whether the second detection voltage is greater than or equal to the second predeterminated voltage；
It is described when it is described second detection voltage matched with the second predeterminated voltage when, unlatching heater circuit include:
When the second detection voltage is greater than or equal to the second predeterminated voltage, heater circuit is opened.
7. battery temperature control method according to claim 6, which is characterized in that detection the second detection voltage
Whether it is greater than or equal to after the second predeterminated voltage further include:
When the second detection voltage is less than the second predeterminated voltage, heater circuit is closed.
8. a kind of battery temperature control circuit characterized by comprising control module, the first detection circuit, the second detection circuit
And temperature control circuit；
The first input end of the control module is connect with the output end of first detection circuit, first detection circuit
Output end exports first detection signal, the output end company of the second input terminal of the control module and second detection circuit
It connects, output end output the second detection signal of second detection circuit, the output end of the control module and temperature control electricity
The input terminal on road connects；
The control module is for detecting whether the first detection signal matches with the first preset signals；When first detection
When signal is matched with the first preset signals, detect whether the second detection signal matches with the second preset signals；When described
When two detection signals are matched with the second preset signals, heater circuit is opened；
First detection circuit is for obtaining the corresponding first detection signal of environment temperature；
Second detection circuit is used for when the first detection signal is matched with the first preset signals, obtains battery temperature pair
The the second detection signal answered.
9. battery temperature control circuit according to claim 8, which is characterized in that first detection circuit includes first
Resistance, the first heat detector and first capacitor, the first end of the first resistor with external power supply for connecting, the first resistor
Second end be grounded by first heat detector, the second end of the first resistor is also grounded by the first capacitor, institute
The second end for stating first resistor is connect with the first input end of the control module.
10. battery temperature control circuit according to claim 8, which is characterized in that second detection circuit includes the
Two resistance, the second heat detector and the second capacitor, the first end of the second resistance with external power supply for connecting, second electricity
The second end of resistance is grounded by second heat detector, and the second end of the second resistance also passes through second capacity earth,
The second end of the second resistance is connect with the second input terminal of the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623114.4A CN110400990B (en) | 2019-07-11 | 2019-07-11 | Battery temperature control method and battery temperature control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623114.4A CN110400990B (en) | 2019-07-11 | 2019-07-11 | Battery temperature control method and battery temperature control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110400990A true CN110400990A (en) | 2019-11-01 |
| CN110400990B CN110400990B (en) | 2022-01-11 |
Family
ID=68325328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623114.4A Active CN110400990B (en) | 2019-07-11 | 2019-07-11 | Battery temperature control method and battery temperature control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110400990B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361105A (en) * | 2011-08-23 | 2012-02-22 | 中国北方车辆研究所 | Multistage automatic heating system and method for vehicle |
| CN103425152A (en) * | 2012-05-21 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Temperature control circuit of incubator |
| CN105742758A (en) * | 2014-12-24 | 2016-07-06 | 丰田自动车株式会社 | Temperature-Raising Device And Temperature-Raising Method For In-Car Battery |
| CN106711523A (en) * | 2016-12-16 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Battery temperature control method and base station |
| JP2017091847A (en) * | 2015-11-11 | 2017-05-25 | 株式会社デンソー | Battery pack |
| CN206313098U (en) * | 2016-12-08 | 2017-07-07 | 天津宝坻紫荆科技有限公司 | A kind of lithium battery attemperator at low temperature |
| CN108520993A (en) * | 2018-04-10 | 2018-09-11 | 深圳市隆宸科技有限公司 | Battery constant temperature system and cell charging-discharging management method |
-
2019
- 2019-07-11 CN CN201910623114.4A patent/CN110400990B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361105A (en) * | 2011-08-23 | 2012-02-22 | 中国北方车辆研究所 | Multistage automatic heating system and method for vehicle |
| CN103425152A (en) * | 2012-05-21 | 2013-12-04 | 海洋王（东莞）照明科技有限公司 | Temperature control circuit of incubator |
| CN105742758A (en) * | 2014-12-24 | 2016-07-06 | 丰田自动车株式会社 | Temperature-Raising Device And Temperature-Raising Method For In-Car Battery |
| JP2017091847A (en) * | 2015-11-11 | 2017-05-25 | 株式会社デンソー | Battery pack |
| CN206313098U (en) * | 2016-12-08 | 2017-07-07 | 天津宝坻紫荆科技有限公司 | A kind of lithium battery attemperator at low temperature |
| CN106711523A (en) * | 2016-12-16 | 2017-05-24 | 深圳市大疆创新科技有限公司 | Battery temperature control method and base station |
| CN108520993A (en) * | 2018-04-10 | 2018-09-11 | 深圳市隆宸科技有限公司 | Battery constant temperature system and cell charging-discharging management method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110400990B (en) | 2022-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017152479A1 (en) | Method and apparatus for rapidly detecting remaining capacity and state of health of storage battery | |
| CN106130112B (en) | Lithium battery charge and discharge management system and method | |
| CN110031770B (en) | Method for rapidly obtaining capacity of all single batteries in battery pack | |
| CN106405282B (en) | A kind of non-linear three branches equivalent-circuit model of super capacitor and parameter identification method | |
| CN107991625A (en) | Power accumulator system insulating resistance detection circuit and detection method | |
| CN109900937B (en) | Lithium battery charge state estimation method with temperature compensation function | |
| CN105093131A (en) | Battery health characteristic parameter extracting method for echelon use of lithium iron phosphate battery | |
| CN207217700U (en) | A kind of battery heater circuit, battery heating device and unmanned plane | |
| CN109696637A (en) | Lithium disposable battery capacity monitoring method | |
| CN103954852B (en) | A kind of high-voltage large-capacity capacitor Method for Measuring Low Frequency Noise | |
| CN107478908A (en) | A kind of electric car insulation detection device and its detection method | |
| CN109752660B (en) | Battery state of charge estimation method without current sensor | |
| CN102967831B (en) | On-line detection system and detection method of lead-acid storage battery performance | |
| WO2018032557A1 (en) | Method and apparatus for metering remaining electric quantity of lithium-ion battery | |
| CN110687467A (en) | Method for detecting leakage current of lithium battery | |
| CN105738828B (en) | A kind of battery capacity accurately measures method | |
| TW201734493A (en) | Battery SOH detection method and circuit thereof whereby the battery SOH is calculated based on the ohmic resistance, the charge transfer resistance and the mass transfer impedance, and is compared with the aged battery database to estimate the battery's remaining life | |
| CN109374148A (en) | A kind of temperature measuring device and measurement method | |
| CN104035039B (en) | A kind of device and method of rapid Estimation accumulator capacity | |
| CN109001637A (en) | Single battery core insulation internal resistance device for quick testing and method | |
| CN110400990A (en) | Battery temperature control method and battery temperature control circuit | |
| CN107768754A (en) | Lithium ion battery voltage selects the method and its application of capacity | |
| CN111722119B (en) | Identification method for power battery fractional order equivalent circuit multi-characteristic fusion model | |
| CN109030929A (en) | load insertion detection circuit and method | |
| CN102636699A (en) | Capacitance measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |