CN114614551A - Rechargeable battery - Google Patents
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- CN114614551A CN114614551A CN202210506091.0A CN202210506091A CN114614551A CN 114614551 A CN114614551 A CN 114614551A CN 202210506091 A CN202210506091 A CN 202210506091A CN 114614551 A CN114614551 A CN 114614551A
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4221—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells with battery type recognition
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00043—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors using switches, contacts or markings, e.g. optical, magnetic or barcode
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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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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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
- H02J7/00308—Overvoltage protection
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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
- H02J7/00309—Overheat or overtemperature protection
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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
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—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
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of batteries, in particular to a rechargeable battery, which comprises a battery main body, a charging protection module, a temperature detection module, an identification module and a data analysis module, wherein a radio frequency device is arranged on the identification module and used for carrying out radio frequency identification, and when a charging interface is connected with a charging connector, the charging connector is identified; the data analysis module carries out data integration on the temperature of the storage battery main body detected by the temperature detection module and the input voltage when the charging protection module detects charging. The invention ensures good charger adaptability when charging the storage battery by arranging the radio frequency detection device, avoids the phenomenon of using the charger disorderly, greatly reduces the fire hazard occurrence probability caused by the charger disorderly, and effectively improves the charging safety of the storage battery; before and during the charging process of the storage battery, the temperature and the input voltage of the storage battery are detected, the good charging environment of the storage battery is ensured, and the charging safety of the storage battery is effectively improved.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a rechargeable battery.
Background
With the development of science and technology, the requirements on rechargeable batteries are higher and higher. Taking a lithium ion battery as an example, the lithium ion battery has the advantages of high energy density, high power density, multiple recycling times, long storage time and the like, is widely used in portable electronic equipment such as mobile phones, digital cameras, portable computers and the like, and has wide application prospects in the aspects of large and medium-sized electric equipment such as electric vehicles such as electric automobiles, electric bicycles and the like, energy storage facilities and the like.
Chinese patent publication No.: CN101834322A discloses a rechargeable battery, which is applied to the battery field, and comprises a shell part adopting a standard battery shell, a battery part arranged in the shell part, wherein the positive/negative pole of the battery part is respectively connected with the positive/negative pole of the shell part, and a charging part connected with the battery part and arranged in the shell part, wherein the charging part comprises an inserting piece capable of extending out of/retracting into the bottom of the shell part. However, as traffic pressure increases, more and more people adopt the selective battery cars for short-distance traveling, but in recent years, fire disasters caused by charging of the battery cars sometimes occur. Therefore, a battery product is urgently needed, and the probability of fire hazard in the charging process is reduced.
Disclosure of Invention
Therefore, the invention provides a rechargeable battery for overcoming the problem that in the prior art, an electric vehicle is not standard in charging and is easy to cause fire.
In order to achieve the above object, the present invention provides a rechargeable battery, comprising,
the storage battery main body consists of a plurality of 12V storage batteries, and a charging port is arranged above the storage battery main body;
the charging protection module is arranged at the charging port, can detect input voltage during charging and controls charging to be carried out and disconnected;
the temperature detection module is arranged on the storage battery main body and used for detecting the temperature of the storage battery;
the identification module is provided with a radio frequency device and used for carrying out radio frequency identification, and when the charging interface is connected with the charging connector, the charging connector is identified;
the data analysis module is respectively connected with the charging protection module, the temperature detection module and the identification module, and the identification module transmits identification information of the charging connector to the data analysis module so as to judge whether the charging connector meets the charging requirement or not; the temperature detection module detects that the temperature of storage battery main part transmits extremely data analysis module, input voltage and transmission to data analysis module when charging protection module detects to charge, and data analysis module integrates the data that detect to judge whether accord with the demand of charging.
Further, when the battery is charged, the identification module identifies the connected charging connector, a radio frequency tag is arranged on the proper charging connector, a radio frequency device on the identification module identifies the radio frequency tag,
when the radio frequency device does not identify the radio frequency tag, the identification module sends identification failure data to the data analysis module;
when the radio frequency device identifies that the radio frequency label information is not matched, the identification module sends identification failure data to the data analysis module;
when the radio frequency device identifies that the radio frequency label information is matched, the identification module sends identification success data to the data analysis module;
when the data analysis module receives identification failure data, the data analysis module sends a charging prohibition instruction to the charging protection module;
and when the data analysis module receives the identification success data, acquiring charging environment information, and judging whether to charge the storage battery main body according to the environment information.
Furthermore, the charging protection module acquires an accessed voltage value Q and transmits data to the data analysis module, the temperature detection module detects the temperature W of the battery and transmits the detection result to the data analysis module,
the data analysis module is internally provided with an optimal charging voltage value Qz, calculates the absolute value Q of the difference between the voltage value Q and the optimal charging voltage value Qz, the absolute value Q = | Qz-Q |,
the data analysis module calculates a charging risk score F, F = Q × v + W × k, wherein v is a compensation parameter calculated by the voltage difference value to the charging risk score, k is a compensation parameter calculated by the temperature value to the charging risk score, and each compensation parameter is used for adjusting the value of the charging risk score and balancing the left and right dimension of the formula;
the data analysis module is internally provided with a charging risk standard score Fp, the data analysis module compares the charging risk score F with the charging risk standard score Fp,
when F is less than or equal to Fp, the data analysis module judges that the charging danger score meets the charging requirement, and the data analysis module sends a charging permission instruction to the charging protection module;
and when F is larger than Fp, the data analysis module judges that the charging danger score does not meet the charging requirement, and the data analysis module sends a charging prohibition instruction to the charging protection module.
Further, the voltage difference value calculates the value of the compensation parameter v to change with the charging risk, and the higher the value of Q, the larger the value of the compensation parameter v;
v=G∆Q×Z1wherein, G is the basic value of the compensation parameter calculated by the voltage difference value to the charging danger score, and Z1 is the first elimination unit parameter, and the left and right dimension of the formula can be unified.
Further, the value of a compensation parameter k calculated by the temperature value to the charging risk score changes along with W, and the higher the value of W is, the larger the value of the compensation parameter k is;
k=PW×Z2wherein, P is the basic value of the calculation compensation parameter of the charging risk score for the temperature value, and Z2 is the second elimination unit parameter, and the left and right dimension of the formula can be unified.
Furthermore, a plurality of types of battery cell main bodies are arranged in the data analysis module, and the battery cell main bodies comprise a first type battery cell main body, a second type battery cell main body and a third type battery cell main body;
the data analysis module is also internally provided with a basic value g1 of a first preset voltage difference value for calculating a compensation parameter of a charging risk score, a basic value g2 of a second preset voltage difference value for calculating a compensation parameter of a charging risk score, and a basic value g3 of a third preset voltage difference value for calculating a compensation parameter of a charging risk score;
for different types of battery main bodies, the voltage difference value has different values for the basic value G of the charge risk score calculation compensation parameter,
when the battery main body is a first model battery main body, selecting a first preset voltage difference value to calculate a basic value G1 of a compensation parameter for the charging risk score as a numerical value G;
when the battery main body is a second-type battery main body, selecting a basic value G2 of a second preset voltage difference value pair charging danger score calculation compensation parameter as a numerical value G;
and when the battery main body is a third model battery main body, selecting a third preset voltage difference value as a basic value G3 of the charging risk score calculation compensation parameter as a numerical value G.
Further, a first preset optimal charging voltage value Q1, a second preset optimal charging voltage value Q2 and a third preset optimal charging voltage value Q3 are also arranged in the data analysis module;
for different types of battery cell main bodies, the charging optimum voltage value Qz has different values,
when the battery main body is a first type battery main body, selecting a first preset optimal charging voltage value Q1 as a value of the optimal charging voltage value Qz;
when the battery main body is a second type battery main body, selecting a second preset optimal charging voltage value Q2 as a value of the optimal charging voltage value Qz;
and when the battery main body is a third type battery main body, selecting a third preset optimal charging voltage value Q3 as the value of the optimal charging voltage value Qz.
Furthermore, the model of storage battery main part is confirmed by the voltage of storage battery, and first model storage battery main part is 36V storage battery, and second model storage battery main part is 48V storage battery, and third model storage battery main part is 60V storage battery.
Further, a first preset voltage difference value calculates a basic value g1=2.7 of the compensation parameter for the charging risk score, a second preset voltage difference value calculates a basic value g2=2.2 of the compensation parameter for the charging risk score, a third preset voltage difference value calculates a basic value g3=1.85 of the compensation parameter for the charging risk score, the first preset charging optimal voltage value Q1=45V, the second preset charging optimal voltage value Q2=59V, the third preset charging optimal voltage value Q3=72V, a temperature value calculates a basic value P =1.09 of the compensation parameter for the charging risk score, the temperature W is in degrees celsius, and the charging risk standard score Fp = 60.
Further, after the charging protection module receives the allowable charging instruction, the charging protection module charges the battery main body, the charging protection module detects the accessed voltage value Q 'in real time and transmits data to the data analysis module during the charging process, the temperature detection module detects the battery temperature W' during the charging process and transmits the detection result to the data analysis module, the data analysis module calculates the absolute value of the difference between the voltage value Q 'and the optimal charging voltage value Qz, the data analysis module calculates the charging risk score F', F '= Q' × v + W '× k, the data analysis module compares the charging risk score F' with the charging risk standard score Fp,
when F' is less than or equal to Fp, the data analysis module does not adjust the charging state;
when F' > Fp, the data analysis module judges that the charging danger score does not meet the charging requirement, the data analysis module sends a charging stopping instruction to the charging protection module, and the charging protection module stops charging the storage battery main body after receiving the instruction.
Compared with the prior art, the charger has the advantages that the good charger adaptability is ensured when the storage battery is charged by arranging the radio frequency detection device, the phenomenon that the charger is used disorderly is avoided, the probability of fire caused by the disorderly use of the charger is greatly reduced, and the charging safety of the storage battery is effectively improved; before and during the charging process of the storage battery, the temperature and the input voltage of the storage battery are detected, the good charging environment of the storage battery is ensured, and the charging safety of the storage battery is effectively improved.
Especially, through setting up the radio frequency device, not discerning to the joint that charges that does not have the radio frequency label, judge the discernment and fail, when the label of the joint that charges is inconsistent with the required label of the main part that needs to charge, judge the discernment and fail, prevent that the charger joint of the different voltages of same brand from charging the storage battery main part, stopped the phenomenon of indiscriminate charger, greatly reduced because of the conflagration emergence probability that the indiscriminate usefulness of charger arouses, effectively improve the security that the storage battery charges.
Furthermore, before the storage battery charges, detect the temperature of storage battery and the voltage of input, ensure the good charging environment of storage battery, effectively improve the security that the storage battery charges, grade through setting up the data, can be more directly perceived and objective reflection environmental information, whether good judgement accords with the charging environment of storage battery main part, increases the security that the storage battery charges.
Particularly, the larger the difference of the voltage values is, the higher the charging risk is, the larger the difference of the voltage values is, the larger the compensation parameter is, the accuracy of data scoring is increased, further, the difference of the voltage values to the charging risk score calculation compensation parameter and the voltage values presents an exponential relationship, when the voltage values exceed a safety interval, the larger the compensation parameter value can be, the accuracy of data scoring is increased, and the safety of battery charging is increased.
Particularly, the higher the temperature is, the higher the charging risk is, the larger the temperature value is, the larger the compensation parameter is, the accuracy of data scoring is increased, and further, the exponential relationship is presented between the size of the compensation parameter calculated by the temperature value and the temperature value for the charging risk scoring, when the temperature exceeds a safety interval, the larger the compensation parameter value can be, the accuracy of data scoring is increased, and the safety of battery charging is increased.
Furthermore, parameters with different numerical values are set for storage batteries of different models, so that the accuracy of evaluation results is improved, and the charging safety of the storage batteries is improved.
Furthermore, when the storage battery is charged, the temperature and the input voltage of the storage battery are detected, the good charging environment of the storage battery is ensured, the charging safety of the storage battery is effectively improved, the environmental information can be reflected more intuitively and objectively by setting data scoring, whether the good judgment accords with the charging environment of the storage battery main body or not is judged, the charging environment of the storage battery is monitored in real time, and the charging safety of the storage battery is improved.
Drawings
Fig. 1 is a schematic structural diagram of a rechargeable battery in an embodiment of the invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a schematic structural diagram of a rechargeable battery according to an embodiment of the present invention.
The invention discloses a rechargeable battery, which comprises,
the storage battery main body 1 consists of a plurality of 12V storage batteries, and a charging port 11 is arranged above the storage battery main body 1;
a charging protection module 2, which is arranged at the charging port 11, can detect input voltage during charging and control charging to be carried out and disconnected;
the temperature detection module 3 is arranged on the battery cell main body 1 and used for detecting the temperature of the battery cell;
the identification module 4 is provided with a radio frequency device for performing radio frequency identification, and when the charging port 11 is connected with the charging connector, the charging connector is identified;
the data analysis module 5 is respectively connected with the charging protection module 2, the temperature detection module 3 and the identification module 4, and the identification module 4 transmits identification information of a charging connector to the data analysis module 5 so as to judge whether the charging connector meets the charging requirement; the temperature that temperature detection module 3 detected storage battery main part 1 transmits extremely data analysis module 5, input voltage and transmission to data analysis module 5 when charging protection module 2 detects to charge, and data analysis module 5 integrates the data that detect to judge whether accord with the demand of charging.
The radio frequency detection device is arranged to ensure good charger adaptability when the storage battery is charged, so that the phenomenon of charger misuse is avoided, the fire hazard occurrence probability caused by charger misuse is greatly reduced, and the storage battery charging safety is effectively improved; before and during the charging process of the storage battery, the temperature and the input voltage of the storage battery are detected, the good charging environment of the storage battery is ensured, and the charging safety of the storage battery is effectively improved.
Specifically, when the battery is charged, the identification module 4 identifies the connected charging connector, a radio frequency tag is arranged on the proper charging connector, a radio frequency device on the identification module 4 identifies the radio frequency tag,
when the radio frequency device does not identify the radio frequency tag, the identification module 4 sends identification failure data to the data analysis module 5;
when the radio frequency device identifies that the radio frequency label information is not matched, the identification module 4 sends identification failure data to the data analysis module 5;
when the radio frequency device identifies that the radio frequency tag information is matched, the identification module 4 sends identification success data to the data analysis module 5;
when the data analysis module 5 receives identification failure data, the data analysis module 5 sends a charging prohibition instruction to the charging protection module 2;
when the data analysis module 5 receives the identification success data, charging environment information is obtained, and whether the storage battery main body 1 is charged or not is judged according to the environment information.
Through setting up the radio frequency device, not discerning to the joint that charges that does not have the radio frequency label, judge the discernment failure, when the label of the joint that charges is inconsistent with the required label of the main part that needs to charge, judge the discernment failure, prevent to charge storage battery main part 1 with the charger joint of the different voltage of brand, stopped the phenomenon of indiscriminate charger of using, greatly reduced because of the indiscriminate conflagration emergence probability that arouses of using of charger, effectively improve the security that the storage battery charges.
Specifically, the charging protection module 2 obtains an accessed voltage value Q and transmits data to the data analysis module 5, the temperature detection module 3 detects the temperature W of the battery and transmits the detection result to the data analysis module 5,
the data analysis module 5 is internally provided with an optimal charging voltage value Qz, the data analysis module 5 calculates an absolute value Q of a difference value between the voltage value Q and the optimal charging voltage value Qz, a Δ Q = | Qz-Q |,
the data analysis module 5 calculates a charging risk score F, F = Q × v + W × k, wherein v is a compensation parameter calculated by the voltage difference value to the charging risk score, k is a compensation parameter calculated by the temperature value to the charging risk score, and each compensation parameter is used for adjusting the value of the charging risk score and balancing the left and right dimension of the formula;
the data analysis module 5 is internally provided with a charging risk standard score Fp, the data analysis module 5 compares the charging risk score F with the charging risk standard score Fp,
when F is less than or equal to Fp, the data analysis module 5 judges that the charging danger score meets the charging requirement, and the data analysis module 5 sends a charging permission instruction to the charging protection module 2;
when F is larger than Fp, the data analysis module 5 judges that the charging risk score does not meet the charging requirement, and the data analysis module 5 sends a charging prohibition instruction to the charging protection module 2.
Before the storage battery charges, detect the temperature of storage battery and the voltage of input, ensure the good charging environment of storage battery, effectively improve the security that the storage battery charges, grade through setting up the data, can be more directly perceived and objective reflection environmental information, whether good judgement accords with the charging environment of storage battery main part 1, increases the security that the storage battery charges.
Specifically, the voltage difference value changes the value of the compensation parameter v along with the charging risk score, and the higher the value of Q, the larger the value of the compensation parameter v;
v=G∆Q×Z1wherein, G is the basic value of the compensation parameter calculated by the voltage difference value to the charging danger score, and Z1 is the first elimination unit parameter, and the left and right dimension of the formula can be unified.
The larger the difference of the voltage values is, the higher the charging danger is, the larger the difference of the voltage values is, the larger the compensation parameters are, the greater the difference of the voltage values is, the accuracy of data scoring is increased, further, the difference of the voltage values to the charging danger scoring calculation compensation parameters is, and the difference of the voltage values and the compensation parameters is in an exponential relationship, when the voltage values exceed a safety interval, the larger the compensation parameter values can be, the accuracy of data scoring is increased, and the charging safety of the storage battery is increased.
Specifically, the value of a compensation parameter k calculated by the temperature value to the charging risk score changes along with W, and the higher the value of W is, the larger the value of the compensation parameter k is;
k=PW×Z2and P is a basic value of a compensation parameter calculated by the temperature value to the charging danger score, and Z2 is a second elimination unit parameter, so that the left dimension and the right dimension of the formula can be unified.
The higher the temperature is, the higher the charging danger is, the larger the temperature value is, the larger the compensation parameter is, the accuracy of data scoring is increased, and further, the exponential relationship is presented between the size of the compensation parameter calculated by the temperature value and the charging danger score and the temperature value, when the temperature exceeds a safety interval, the larger the compensation parameter value can be, the accuracy of data scoring is increased, and the charging safety of the storage battery is increased.
Specifically, a plurality of types of storage battery main bodies 1 are arranged in the data analysis module 5, and the data analysis module comprises a first type of storage battery main body 1, a second type of storage battery main body 1 and a third type of storage battery main body 1;
the data analysis module 5 is also internally provided with a basic value g1 of a first preset voltage difference value for calculating a compensation parameter for the charging risk score, a basic value g2 of a second preset voltage difference value for calculating a compensation parameter for the charging risk score, and a basic value g3 of a third preset voltage difference value for calculating a compensation parameter for the charging risk score;
for different types of the battery main bodies 1, the voltage difference value has different values of the basic value G of the charge risk score calculation compensation parameter,
when the battery main body 1 is a first model battery main body 1, selecting a first preset voltage difference value to calculate a basic value G1 of a compensation parameter for the charging danger score as a numerical value G;
when the battery main body 1 is a second type battery main body 1, selecting a basic value G2 of a second preset voltage difference value pair charging danger score calculation compensation parameter as a numerical value G;
and when the battery main body 1 is a third model battery main body 1, selecting a third preset voltage difference value as a numerical value of G, wherein the basic value G3 of the compensation parameter is calculated by the charging risk score.
Specifically, the data analysis module 5 is further provided with a first preset optimal charging voltage Q1, a second preset optimal charging voltage Q2, and a third preset optimal charging voltage Q3;
for the battery main bodies 1 with different models, the values of the optimal charging voltage value Qz are different,
when the battery main body 1 is a first model battery main body 1, selecting a first preset optimal charging voltage value Q1 as a value of the optimal charging voltage value Qz;
when the battery main body 1 is a second type battery main body 1, selecting a second preset optimal charging voltage value Q2 as a value of the optimal charging voltage value Qz;
and when the battery main body 1 is a third type battery main body 1, selecting a third preset optimal charging voltage value Q3 as the value of the optimal charging voltage value Qz.
Specifically, the model of storage battery main part 1 is confirmed by the voltage of storage battery, and first model storage battery main part 1 is 36V storage battery, and second model storage battery main part 1 is 48V storage battery, and third model storage battery main part 1 is 60V storage battery.
For storage batteries of different models, is provided with
Specifically, a first preset voltage difference value calculates a base value g1=2.7 of the compensation parameter for the charging hazard score, a second preset voltage difference value calculates a base value g2=2.2 of the compensation parameter for the charging hazard score, a third preset voltage difference value calculates a base value g3=1.85 of the compensation parameter for the charging hazard score, the first preset charging optimum voltage value Q1=45V, the second preset charging optimum voltage value Q2=59V, the third preset charging optimum voltage value Q3=72V, a temperature value calculates a base value P =1.09 of the compensation parameter for the charging hazard score, the temperature W is in degrees celsius, and the charging hazard criterion score Fp = 60.
For storage batteries of different models, parameters of different numerical values are set, so that the accuracy of evaluation results is improved, and the charging safety of the storage batteries is improved.
Specifically, after the charge protection module 2 receives the charge permission instruction, the charge protection module 2 charges the battery main body 1, during the charging process, the charge protection module 2 detects the voltage value Q ' and transmits data to the data analysis module 5, the temperature detection module 3 detects the battery temperature W ' during the charging process and transmits the detection result to the data analysis module 5, the data analysis module 5 calculates the absolute value Q ' of the difference between the voltage value Q ' and the charge optimum voltage value Qz, the data analysis module 5 calculates the charge risk score F ', F ' = Q ' × v + W ' × k, the data analysis module 5 compares the charge risk score F ' with the charge risk standard score Fp,
when F' is less than or equal to Fp, the data analysis module 5 does not adjust the charging state;
when F' > Fp, the data analysis module 5 judges that the charging danger score does not meet the charging requirement, the data analysis module 5 sends a charging stopping instruction to the charging protection module 2, and the charging protection module 2 stops charging the storage battery main body 1 after receiving the instruction.
When the storage battery charges, detect the temperature of storage battery and the voltage of input, ensure the good environment of charging of storage battery, effectively improve the security that the storage battery charges, grade through setting up the data, can be more directly perceived and objective reflection environmental information, whether good judgement accords with the environment of charging of storage battery main part 1, the environment of charging of real-time supervision storage battery increases the security that the storage battery charges.
This implementation rechargeable battery is applied to the electric motor car, charges according to the demand strictly for guaranteeing, is provided with the radio frequency label on the electric motor car, is provided with the radio frequency reading device near elevator, district gate, the charging shed, strictly carries out the management and control that charges of electric motor car.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A rechargeable battery is characterized in that the rechargeable battery comprises,
the storage battery main body consists of a plurality of 12V storage batteries, and a charging port is arranged above the storage battery main body;
the charging protection module is arranged at the charging port, can detect input voltage during charging and controls charging to be carried out and disconnected;
the temperature detection module is arranged on the storage battery main body and used for detecting the temperature of the storage battery;
the identification module is provided with a radio frequency device and used for carrying out radio frequency identification, and when the charging interface is connected with the charging connector, the charging connector is identified;
the data analysis module is respectively connected with the charging protection module, the temperature detection module and the identification module, and the identification module transmits identification information of the charging connector to the data analysis module so as to judge whether the charging connector meets the charging requirement or not; the temperature detection module detects that the temperature of storage battery main part transmits extremely data analysis module, input voltage and transmission to data analysis module when charging protection module detects to charge, and data analysis module integrates the data that detect to judge whether accord with the demand of charging.
2. The rechargeable battery cell as claimed in claim 1, wherein the identification module identifies the charging connector when the battery cell is charged, the charging connector is provided with a radio frequency tag, the radio frequency device on the identification module identifies the radio frequency tag,
when the radio frequency device does not identify the radio frequency tag, the identification module sends identification failure data to the data analysis module;
when the radio frequency device identifies that the radio frequency label information is not matched, the identification module sends identification failure data to the data analysis module;
when the radio frequency device identifies that the radio frequency tag information is matched, the identification module sends identification success data to the data analysis module;
when the data analysis module receives identification failure data, the data analysis module sends a charging prohibition instruction to the charging protection module;
and when the data analysis module receives the identification success data, acquiring charging environment information, and judging whether to charge the storage battery main body according to the environment information.
3. The rechargeable battery cell as claimed in claim 2, wherein the charging protection module obtains the connected voltage value Q and transmits data to the data analysis module, the temperature detection module detects the battery cell temperature W and transmits the detection result to the data analysis module,
the data analysis module is internally provided with an optimal charging voltage value Qz, calculates the absolute value Q of the difference between the voltage value Q and the optimal charging voltage value Qz, the absolute value Q = | Qz-Q |,
the data analysis module calculates a charging risk score F, F = Q × v + W × k, wherein v is a compensation parameter calculated by the voltage difference value to the charging risk score, k is a compensation parameter calculated by the temperature value to the charging risk score, and each compensation parameter is used for adjusting the value of the charging risk score and balancing the left and right dimension of the formula;
the data analysis module is internally provided with a charging risk standard score Fp, the data analysis module compares the charging risk score F with the charging risk standard score Fp,
when F is less than or equal to Fp, the data analysis module judges that the charging danger score meets the charging requirement, and the data analysis module sends a charging permission instruction to the charging protection module;
when F is larger than Fp, the data analysis module judges that the charging danger score does not meet the charging requirement, and the data analysis module sends a charging prohibition instruction to the charging protection module.
4. The rechargeable battery jar according to claim 3, wherein the voltage difference value is used for calculating a compensation parameter v, the value of the compensation parameter v changes with the value of Δ Q, and the higher the value of Q is, the larger the value of the compensation parameter v is;
v=G∆Q×Z1wherein, G is the basic value of the compensation parameter calculated by the voltage difference value to the charging danger score, and Z1 is the first elimination unit parameter, and the left and right dimension of the formula can be unified.
5. The rechargeable battery cell as claimed in claim 4, wherein the value of the compensation parameter k calculated by the temperature value versus charging risk score varies with W, and the higher the value of W, the larger the value of the compensation parameter k;
k=PW×Z2and P is a basic value of a compensation parameter calculated by the temperature value to the charging danger score, and Z2 is a second elimination unit parameter, so that the left dimension and the right dimension of the formula can be unified.
6. The rechargeable battery cell of claim 5, wherein a plurality of types of battery cell main bodies are arranged in the data analysis module, including a first type of battery cell main body, a second type of battery cell main body and a third type of battery cell main body;
the data analysis module is also internally provided with a basic value g1 of a first preset voltage difference value pair charging risk score calculation compensation parameter, a basic value g2 of a second preset voltage difference value pair charging risk score calculation compensation parameter, and a basic value g3 of a third preset voltage difference value pair charging risk score calculation compensation parameter;
for different types of battery main bodies, the voltage difference value has different values for the basic value G of the charge risk score calculation compensation parameter,
when the battery main body is a first model battery main body, selecting a first preset voltage difference value to calculate a basic value G1 of a compensation parameter for the charging risk score as a numerical value G;
when the battery main body is a second-type battery main body, selecting a basic value G2 of a second preset voltage difference value pair charging danger score calculation compensation parameter as a numerical value G;
and when the battery main body is a third model battery main body, selecting a third preset voltage difference value as a basic value G3 of the charging risk score calculation compensation parameter as a numerical value G.
7. The rechargeable battery cell as claimed in claim 6, wherein a first preset optimal charging voltage Q1, a second preset optimal charging voltage Q2, a third preset optimal charging voltage Q3 are further provided in the data analysis module;
for different types of battery cell main bodies, the charging optimum voltage value Qz has different values,
when the battery main body is a first type battery main body, selecting a first preset optimal charging voltage value Q1 as a value of the optimal charging voltage value Qz;
when the battery main body is a second type battery main body, selecting a second preset optimal charging voltage value Q2 as a value of the optimal charging voltage value Qz;
and when the battery main body is a third type battery main body, selecting a third preset optimal charging voltage value Q3 as the value of the optimal charging voltage value Qz.
8. The rechargeable battery as claimed in claim 7, wherein the type of the battery body is determined by the voltage of the battery, the first type of battery body is a 36V battery, the second type of battery body is a 48V battery, and the third type of battery body is a 60V battery.
9. The rechargeable battery cell as claimed in claim 8, wherein a first predetermined voltage difference value calculates a base value g1=2.7 of the compensation parameter for the charging hazard score, a second predetermined voltage difference value calculates a base value g2=2.2 of the compensation parameter for the charging hazard score, a third predetermined voltage difference value calculates a base value g3=1.85 of the compensation parameter for the charging hazard score, the first predetermined charging optimum voltage value Q1=45V, a second predetermined charging optimum voltage value Q2=59V, a third predetermined charging optimum voltage value Q3=72V, a temperature value calculates a base value P =1.09 of the compensation parameter for the charging hazard score, the temperature W is in degrees celsius, and the charging hazard score Fp = 60.
10. The rechargeable battery of claim 9, wherein the charging protection module charges the battery body when receiving the charge permission command, the charging protection module detects the voltage Q ' and transmits data to the data analysis module during charging, the temperature detection module detects the battery temperature W ' and transmits the detection result to the data analysis module, the data analysis module calculates the absolute value Q ' of the difference between the voltage Q ' and the optimal charging voltage Qz, the data analysis module calculates the charging risk score F ', F ' = Q ' × v + W ' × k, the data analysis module compares the charging risk score F ' with the charging risk standard score Fp,
when F' is less than or equal to Fp, the data analysis module does not adjust the charging state;
when F' > Fp, the data analysis module judges that the charging danger score does not meet the charging requirement, the data analysis module sends a charging stopping instruction to the charging protection module, and the charging protection module stops charging the storage battery main body after receiving the instruction.
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