CN113922477A - Short-time energy storage device and method for vehicle-mounted self-generating system based on super capacitor - Google Patents
Short-time energy storage device and method for vehicle-mounted self-generating system based on super capacitor Download PDFInfo
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- CN113922477A CN113922477A CN202111171230.0A CN202111171230A CN113922477A CN 113922477 A CN113922477 A CN 113922477A CN 202111171230 A CN202111171230 A CN 202111171230A CN 113922477 A CN113922477 A CN 113922477A
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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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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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
- H02J15/00—Systems for storing electric energy
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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
Abstract
The invention provides a short-time energy storage device and a short-time energy storage method for a vehicle-mounted self-power generation system based on a super capacitor, which are characterized by comprising the following steps: the super capacitor module is used for acquiring vehicle-mounted real-time electric quantity, and performing electric quantity control on the super capacitor monomer according to the vehicle-mounted real-time electric quantity to acquire electric quantity control information; the energy storage system is used for managing the super capacitor module according to the UMS management system to acquire management data; the control equipment is used for controlling the task of the command of the energy storage system according to the management data and the short-time energy storage method; and the monitoring equipment is used for monitoring the super capacitor module and acquiring module information.
Description
Technical Field
The invention relates to the technical field of super capacitor monomers, in particular to a short-time energy storage device and method for a vehicle-mounted self-generating system based on a super capacitor.
Background
At present, although the storage battery is more widely used in energy storage equipment, because of the characteristic of larger energy density, the storage battery meets the requirement of partial power generation on the energy density, but because the electrochemical reaction rate has a certain upper limit, the power density of the common storage battery is smaller, however, when the load power is greatly changed in a short time, sometimes the load power cannot absorb or release the target power at a high speed, and the dynamic requirement of the system is difficult to meet; the super capacitor is a novel energy storage device between a traditional capacitor and a secondary battery, has the characteristics of high power characteristic of the traditional capacitor and high energy characteristic of the battery, high specific power, high-current charge and discharge capacity, long service life, ultralow temperature performance, high reliability, environmental friendliness and the like of the super capacitor, and has unique advantages as a power source or an energy storage power source in the fields of energy-saving and new energy automobiles, green energy sources, rail transit, engineering machinery, military and the like.
Disclosure of Invention
The invention provides a short-time energy storage device and a short-time energy storage method for a vehicle-mounted self-generating system based on a super capacitor, which are characterized by comprising the following steps:
the super capacitor module: the system comprises a super capacitor monomer, a power control module and a power control module, wherein the super capacitor monomer is used for acquiring vehicle-mounted real-time electric quantity and performing electric quantity control on the super capacitor monomer according to the vehicle-mounted real-time electric quantity to acquire electric quantity control information;
an energy storage system: the management system is used for managing the super capacitor module according to the UMS management system and acquiring management data;
the control device: the short-time energy storage method is used for controlling the command task of the energy storage system according to the management data and the short-time energy storage method;
the monitoring equipment: the super capacitor module monitoring system is used for monitoring the super capacitor module and acquiring module information.
As an embodiment of the present technical solution, the super capacitor module includes:
the super capacitor monomer: the device is used for acquiring electric quantity control information and adjusting the type of the capacitor monomer according to the electric quantity control information; wherein the content of the first and second substances,
the capacitor monomer types include: monomer energy type, monomer power type, monomer low internal resistance type;
electric quantity monitoring equipment: the system is used for monitoring the vehicle-mounted electric quantity and the super capacitor module in real time and acquiring the vehicle-mounted real-time electric quantity and the capacitor module data, wherein,
the capacitor module data includes: module voltage, module capacity, and module maximum DC internal resistance.
As an embodiment of the present technical solution, the super capacitor module further includes:
electric quantity control unit: the system comprises a super capacitor unit, a vehicle-mounted real-time electric quantity control module, a control action module and a control action module, wherein the vehicle-mounted real-time electric quantity control module is used for carrying out electric quantity control analysis on the capacitor module according to vehicle-mounted real-time electric quantity to obtain analysis data, and calling the super capacitor unit to carry out electric quantity control according to the analysis data to obtain control action information; wherein the content of the first and second substances,
the electric quantity control comprises the following steps: fast charge control, fast discharge control.
As an embodiment of the present technical solution, the energy storage system includes:
UMS management platform: the vehicle-mounted electric quantity information is compared with preset electric quantity information to obtain difference value information; wherein the content of the first and second substances,
when the vehicle-mounted electric quantity information is larger than the preset electric quantity information, acquiring positive difference value information, wherein the vehicle-mounted electric quantity is normal;
when the vehicle-mounted electric quantity information is less than or equal to preset electric quantity information, acquiring negative difference value information;
electric quantity management platform: the negative difference value information is screened to obtain management data; wherein the content of the first and second substances,
the management data includes: electric quantity difference value, electric quantity change time and real-time energy storage value.
As an embodiment of the present invention, the control device includes:
a contact controller: the control device is used for receiving control information, controlling the main switch and acquiring the state of the main switch; wherein the content of the first and second substances,
the master switch state includes: a contactor C1 connected state, a contactor C1 disconnected state, a contactor C2 connected state, a contactor C2 disconnected state;
a fan controller: the system is used for controlling the power supply of the fan and acquiring the state of the fan;
a charge controller: the controller is used for controlling the charging switch and controlling the charging electric quantity according to the pre-charging quantity;
time control: used for judging the charging time according to the pre-charging amount; wherein the content of the first and second substances,
when the pre-charging amount is larger than a preset electric quantity threshold value, processing preset charging time according to the charging electric quantity;
and when the pre-charging amount is less than or equal to a preset electric quantity threshold value, carrying out normal charging.
As an embodiment of the technical solution, the short-time energy storage method includes the following steps:
step S01: acquiring task information according to the management data, controlling a contact controller through the task information, and acquiring the connection state of the contactor; wherein the content of the first and second substances,
the task information includes: electric quantity change information and electric quantity change response time;
the contactor connection state includes: contactor C1 is connected, contactor C2 is connected;
step S02: adjusting fan control according to the connection state of the contactor, acquiring fan power supply current, and comparing and judging the fan power supply current with preset current; wherein the content of the first and second substances,
when the power supply current of the fan is larger than 1A, normal power supply is carried out;
when the fan power supply current is less than or equal to 1A, acquiring a fan power supply value, and performing charging operation;
step S03: according to the power supply value of the fan and the task information, the super capacitor module is used for supplying power, charging control is carried out, and charging data are obtained; wherein the content of the first and second substances,
the charging data includes: a charge storage value and an actual charge time;
step S04: detecting battery charging operation, acquiring charging detection data, and comparing the charging detection data with the charging data; wherein the content of the first and second substances,
when the charging data is consistent with the charging detection data, calculating the actual energy storage speed;
when the charging data is inconsistent with the charging detection data, performing secondary calculation and performing emergency power supply treatment;
the charging detection data includes: and the energy storage detection value and the energy storage time detection value.
As an embodiment of the present technical solution, it is that the monitoring device includes:
monitoring module voltage: monitoring the voltage of the super capacitor module through the UMS management system to obtain voltage monitoring data; wherein the content of the first and second substances,
the voltage monitoring data includes: the number of channels, the monitoring range, the monitoring precision, the voltage value and the monitoring time;
monitoring the temperature of the module: monitoring the temperature of the super capacitor module through the UMS management system to obtain temperature monitoring data; wherein the content of the first and second substances,
the temperature detection data includes: working temperature, storage temperature, relative humidity, air pressure.
As an embodiment of the present invention, the capacitor unit includes:
reverse polarity protection unit: the device is used for detecting whether the polarity position of the super capacitor monomer has errors or not; wherein the content of the first and second substances,
when the polarity position of the super capacitor monomer is normal, normal charging and discharging are carried out;
when the polarity position of the super capacitor monomer is abnormal, the situation of opposite polarity position occurs, and the super capacitor monomer is subjected to insulation protection treatment;
an equalization unit: the system comprises a detection module, a data processing module and a data processing module, wherein the detection module is used for detecting the battery state of a super capacitor monomer, acquiring battery data and carrying out balance judgment according to the battery data; wherein the content of the first and second substances,
the battery data includes: battery power data, battery voltage data;
when the battery voltage data is within a preset high voltage data range, the energy of the battery is discharged through a resistor, and the electric quantity is kept to be a preset normal electric quantity;
when the battery voltage data is not in a preset high voltage data range, detecting the battery state and acquiring battery balance information;
a voltage control unit: and the voltage data is actively corrected according to the preset voltage standard data of the super capacitor monomer, and is leveled to a standard voltage.
As an embodiment of the present technical solution, it is that the monitoring device further includes:
a current detection unit: is used for obtaining a local resistance value by detecting a local resistance in a preset inductance element and carrying out resistance component analysis on the local resistance value, wherein,
when the electric resistance of the local resistance value is larger than a preset electric resistance threshold value, carrying out local voltage detection to obtain a local voltage value, and analyzing the current condition by combining the local resistance value;
when the electric resistance of the local resistance value is less than or equal to the preset electric resistance threshold value, the current condition is normal.
As an embodiment of the present technical solution, the module temperature monitoring includes:
a radiator: the device comprises a super capacitor monomer, a heat dissipation wire, a temperature sensor and a temperature sensor, wherein the heat dissipation wire is used for arranging a heat dissipation wire to the super capacitor monomer and performing heat dissipation treatment by acquiring temperature data of the super capacitor monomer; wherein the content of the first and second substances,
when the temperature data is less than or equal to the preset heat dissipation temperature data, the super capacitor monomer is normally discharged and charged;
when the temperature data is larger than the preset heat dissipation temperature data, controlling a heat dissipation line to perform heat dissipation treatment, monitoring the temperature again, and acquiring heat dissipation temperature data;
a temperature prediction unit: the super-capacitor temperature sensor is used for monitoring a monomer adjacent to a super-capacitor target monomer, acquiring adjacent data of the adjacent monomer, calculating the target monomer according to the adjacent data, acquiring predicted temperature data, and predicting and judging; wherein the content of the first and second substances,
the adjacent data includes: the number of adjacent monomers and the temperature of the adjacent monomers;
when the predicted temperature is within a preset range, marking the predicted temperature as a safe temperature;
and when the predicted temperature is not within the preset range, performing pre-heat dissipation treatment according to the difference value between the predicted temperature and the heat dissipation temperature threshold.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a diagram of a short-time energy storage device and method for a super capacitor-based vehicle-mounted self-generating system according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a super capacitor module in the short-time energy storage device and method for a super capacitor-based vehicle-mounted self-power generation system according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a super capacitor cell in a short-time energy storage device and method for a super capacitor-based vehicle-mounted self-power generation system according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an actual implementation of a vehicle-mounted self-power generation system based on a super capacitor in the embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a short-time energy storage device and a short-time energy storage method for a vehicle-mounted self-power generation system based on a super capacitor, which are characterized by comprising the following steps: the super capacitor module 1 is used for acquiring vehicle-mounted real-time electric quantity, and performing electric quantity control on a super capacitor monomer according to the vehicle-mounted real-time electric quantity to acquire electric quantity control information; the energy storage system 2 is used for managing the super capacitor module 1 according to the UMS management system to acquire management data; the control equipment 3 is used for carrying out task control on the command task of the energy storage system 2 according to the management data and the short-time energy storage method; the monitoring equipment 4 is used for monitoring the super capacitor module 1 and acquiring module information.
The working principle of the technical scheme is as follows: compare with the ordinary battery electricity generation of prior art scheme technique, above-mentioned technical scheme has adopted short-time energy memory based on super capacitor, includes: the super capacitor module 1 is used for acquiring vehicle-mounted real-time electric quantity, and performing electric quantity control on a super capacitor monomer according to the vehicle-mounted real-time electric quantity to acquire electric quantity control information; the energy storage system 2 is used for managing the super capacitor module 1 according to the UMS management system to acquire management data; the control equipment 3 is used for carrying out task control on the command task of the energy storage system 2 according to the management data and the short-time energy storage method; the monitoring equipment 4 is used for monitoring the super capacitor module 1 and acquiring module information;
the beneficial effects of the above technical scheme are: according to the method, the accuracy of the use of the vehicle-mounted electric quantity is improved, the energy storage efficiency of the energy storage device is improved through the electric quantity control operation of the super capacitor, the energy storage time is shortened, and the accuracy of short-time energy storage data is improved.
In one embodiment, the super capacitor module 1 includes: the super capacitor single body is used for acquiring electric quantity control information and adjusting the type of the capacitor single body according to the electric quantity control information; the capacitor monomer type comprises a monomer energy type, a monomer power type and a monomer low internal resistance type; electric quantity monitoring facilities is used for on-vehicle electric quantity of real-time supervision and super capacitor module 1, acquires on-vehicle real-time electric quantity and capacitor module data, wherein, capacitor module data include: module voltage, module capacity, module maximum direct current internal resistance;
the working principle of the technical scheme is as follows: different from the prior art in which the super capacitor module 1 is composed of a super capacitor unit, the super capacitor module 1 of the above technical scheme further includes an electric quantity monitoring device, the super capacitor unit is used for acquiring electric quantity control information, and adjusting the type of the capacitor unit according to the electric quantity control information; the capacitor monomer type comprises a monomer energy type, a monomer power type and a monomer low internal resistance type; electric quantity monitoring facilities is used for on-vehicle electric quantity of real-time supervision and super capacitor module 1, acquires on-vehicle real-time electric quantity and capacitor module data, wherein, capacitor module data include: module voltage, module capacity, module maximum direct current internal resistance;
the beneficial effects of the above technical scheme are: through categorised to super capacitor monomer, improved the accurate nature of super capacitor monomer charge-discharge operation, to the real-time supervision of on-vehicle electric quantity, guaranteed super capacitor module 1's normal operating, improved the operation security.
In one embodiment, the super capacitor module 1 further includes: the electric quantity control unit is used for carrying out electric quantity control analysis on the capacitor module according to the vehicle-mounted real-time electric quantity to obtain analysis data, calling the super capacitor monomer to carry out electric quantity control according to the analysis data, and obtaining control behavior information; wherein, the electric quantity control comprises: fast charge control, fast discharge control;
the working principle of the technical scheme is as follows: the electric quantity control unit is used for carrying out electric quantity control analysis on the capacitor module according to the vehicle-mounted real-time electric quantity, calling the super capacitor monomer to carry out electric quantity control, and acquiring quick charge control and quick discharge control information;
the beneficial effects of the above technical scheme are: through carrying out electric quantity control analysis and control to the module, improved the work efficiency of electric capacity module, strengthened the security of charging and discharging process.
In one embodiment, the energy storage system 2 comprises: the UMS management platform is used for comparing the vehicle-mounted electric quantity information with preset electric quantity information to obtain difference value information; when the vehicle-mounted electric quantity information is larger than preset electric quantity information, acquiring positive difference value information, wherein the vehicle-mounted electric quantity is normal; when the vehicle-mounted electric quantity information is less than or equal to preset electric quantity information, acquiring negative difference value information; electric quantity management platform: the negative difference value information is screened to obtain management data; wherein managing the data comprises: electric quantity difference value, electric quantity change time and real-time energy storage value.
The working principle of the technical scheme is as follows: different from the energy storage system 2 in the prior art, the above technical scheme is provided with an electric quantity management platform, and the UMS management platform is used for comparing the vehicle-mounted electric quantity information with preset electric quantity information to obtain difference value information; when the vehicle-mounted electric quantity information is larger than preset electric quantity information, acquiring positive difference value information, wherein the vehicle-mounted electric quantity is normal; when the vehicle-mounted electric quantity information is less than or equal to preset electric quantity information, acquiring negative difference value information; electric quantity management platform: the negative difference value information is screened to obtain management data; wherein managing the data comprises: electric quantity difference value, electric quantity change time and real-time energy storage value.
The beneficial effects of the above technical scheme are: through UMS management platform, improved the energy storage efficiency of on-vehicle electric quantity energy storage, also for the accurate nature of on-vehicle electric quantity information provides the guarantee, rely on the strip through the electric quantity management, greatly increased the security of on-vehicle electric quantity.
In one embodiment, the control device 3 is characterized by comprising: the contact controller is used for receiving the control information, controlling the main switch and acquiring the state of the main switch; wherein the master switch state comprises: a contactor C1 connected state, a contactor C1 disconnected state, a contactor C2 connected state, a contactor C2 disconnected state; the fan controller is used for controlling the fan to supply power and acquiring the state of the fan; the invention is a charging system with self-generating function, and when self-generating is carried out, the fan drives the generating equipment to generate electricity. At this time, the control is performed by the fan controller. As shown in fig. 4.
The charging controller is used for controlling the charging switch and controlling the charging electric quantity according to the pre-charging quantity; the time control is used for judging the charging time according to the pre-charging amount; when the pre-charging amount is larger than a preset electric quantity threshold value, processing preset charging time according to the charging electric quantity; and when the pre-charging amount is less than or equal to a preset electric quantity threshold value, carrying out normal charging.
The working principle of the technical scheme is as follows: the contact controller is used for receiving control information, controlling the main switch and acquiring the connection state of the contactor C1, the disconnection state of the contactor C1, the connection state of the contactor C2 and the disconnection state of the contactor C2; the fan controller is used for controlling the fan to supply power and acquiring the state of the fan; the charging controller is used for controlling the charging switch and controlling the charging electric quantity according to the pre-charging quantity; the time control is used for judging the charging time according to the pre-charging amount; when the pre-charging amount is larger than a preset electric quantity threshold value, processing preset charging time according to the charging electric quantity; and when the pre-charging amount is less than or equal to a preset electric quantity threshold value, carrying out normal charging.
The beneficial effects of the above technical scheme are: through the detailed control of the contact controller to the master switch state, the state information value of the master switch is increased, more comprehensive reference data are provided for operation judgment, the overall safety is improved through fan control and charging control, the time control is realized, and the short-time energy storage efficiency is greatly improved.
In one embodiment, the short-time energy storage method is characterized by comprising the following steps: step S01: acquiring task information according to the management data, controlling a contact controller through the task information, and acquiring the connection state of the contactor; wherein, the task information comprises: electric quantity change information and electric quantity change response time; the contactor connection state includes: contactor C1 is connected, contactor C2 is connected; step S02: adjusting fan control according to the connection state of the contactor, acquiring fan power supply current, and comparing and judging the fan power supply current with preset current; when the power supply current of the fan is larger than 1A, normal power supply is carried out; when the fan power supply current is less than or equal to 1A, acquiring a fan power supply value, and performing charging operation; step S03: according to the power supply value of the fan and the task information, the super capacitor module 1 supplies power to control charging and obtain charging data; wherein the charging data includes: a charge storage value and an actual charge time; step S04: detecting battery charging operation, acquiring charging detection data, and comparing the charging detection data with the charging data; when the charging data is consistent with the charging detection data, calculating the actual energy storage speed; when the charging data is inconsistent with the charging detection data, performing secondary calculation and performing emergency power supply treatment; the charging detection data includes: an energy storage detection value and an energy storage time detection value;
the working principle of the technical scheme is as follows: the method comprises the steps of obtaining electric quantity storage with a preset size by reducing time, firstly obtaining task information according to management data, controlling a contact controller through the task information, and obtaining the connection state of a contactor; wherein, the task information comprises: electric quantity change information and electric quantity change response time; the contactor connection state includes: contactor C1 is connected, contactor C2 is connected; secondly, adjusting fan control according to the connection state of the contactor, acquiring the power supply current of the fan, and comparing and judging the power supply current with the preset current; when the power supply current of the fan is larger than 1A, normal power supply is carried out; when the fan power supply current is less than or equal to 1A, acquiring a fan power supply value, and performing charging operation; then, according to the power supply value of the fan and the task information, the super capacitor module 1 supplies power to control charging and obtain charging data; wherein the charging data includes: a charge storage value and an actual charge time; finally, detecting the battery charging operation, acquiring charging detection data, and comparing the charging detection data with the charging data; when the charging data is consistent with the charging detection data, calculating the actual energy storage speed; when the charging data is inconsistent with the charging detection data, performing secondary calculation and performing emergency power supply treatment; the charging detection data includes: an energy storage detection value and an energy storage time detection value;
the beneficial effects of the above technical scheme are: through the detection to task information and contactor state, improved the agility and the safety to fan control, through the fan to supply current's judgement, reduced the power supply error, through acquireing the charging data, guaranteed the normal use of on-vehicle electric quantity, through the detection of charging, improved the security that the battery charged.
In one embodiment, the monitoring device 4 comprises: monitoring module voltage: monitoring the voltage of the super capacitor module 1 through the UMS management system to obtain voltage monitoring data; wherein the voltage monitoring data comprises: the number of channels, the monitoring range, the monitoring precision, the voltage value and the monitoring time; monitoring the temperature of the module: monitoring the temperature of the super capacitor module 1 through the UMS management system to obtain temperature monitoring data; wherein the temperature detection data includes: working temperature, storage temperature, relative humidity and air pressure;
the working principle of the technical scheme is as follows: monitoring the voltage of the super capacitor module 1 by the UMS management system to obtain the number of channels, the monitoring range, the monitoring precision, the voltage value and the monitoring time; monitoring the temperature of the module: monitoring the temperature of the super capacitor module 1 through the UMS management system to obtain the working temperature, the storage temperature, the relative humidity and the air pressure;
monitoring the power of the super capacitor module 1 by voltage monitoring to obtain the voltage rated frequency period number i, the voltage monitoring frequency j, the frequency influence factor beta and the voltage sequence number p in the monitoring time within the monitoring rangerCurrent sequence number qrCalculating the monitor electric power θ:
calculating the effective power mu according to the monitored electric power theta:
calculating the invalid power sigma according to the voltage sequence influence parameter m and the current sequence influence parameter n:
the beneficial effects of the above technical scheme are: through obtaining voltage monitoring data, improve the stability of voltage security and charge-discharge in-process voltage, through obtaining temperature monitoring data, reduce the risk probability because of the high temperature causes, improve module life.
In one embodiment, the capacitor unit includes: the reverse polarity protection unit is used for detecting whether the polarity position of the super capacitor monomer has errors; when the polarity position of the super capacitor monomer is normal, normal charging and discharging are carried out; when the polarity position of the super capacitor monomer is abnormal, the situation of opposite polarity position occurs, and the super capacitor monomer is subjected to insulation protection treatment; the balancing unit is used for detecting the battery state of the super capacitor monomer, acquiring battery data and carrying out balancing judgment according to the battery data; wherein the battery data includes: battery power data, battery voltage data; when the battery voltage data is within a preset high voltage data range, the energy of the battery is discharged through a resistor, and the electric quantity is kept to be a preset normal electric quantity; when the battery voltage data is not in a preset high voltage data range, detecting the battery state and acquiring battery balance information; the voltage control unit is used for actively correcting the voltage data according to the preset voltage standard data of the super capacitor monomer and leveling the voltage data to a standard voltage;
the working principle of the technical scheme is as follows: the reverse polarity protection unit is used for detecting whether the polarity position of the super capacitor monomer has errors or not, and when the polarity position of the super capacitor monomer is normal, normal charging and discharging are carried out; when the polarity position of the super capacitor monomer is abnormal, the situation of opposite polarity position occurs, and the super capacitor monomer is subjected to insulation protection treatment; the balancing unit is used for detecting the battery state of the super capacitor monomer, acquiring battery data and carrying out balancing judgment according to the battery data; wherein the battery data includes: battery power data, battery voltage data; when the battery voltage data is within a preset high voltage data range, the energy of the battery is discharged through a resistor, and the electric quantity is kept to be a preset normal electric quantity; when the battery voltage data is not in a preset high voltage data range, detecting the battery state and acquiring battery balance information; the voltage control unit is used for actively correcting the voltage data according to the preset voltage standard data of the super capacitor monomer and leveling the voltage data to a standard voltage;
the beneficial effects of the above technical scheme are: the potential hazards caused by the error of the positive electrode and the negative electrode are reduced by detecting the polarity position of the super capacitor monomer, and partial insulation protection is carried out when the position is abnormal, so that the normal charging operation is ensured, and the operation safety is improved.
In one embodiment, the monitoring device 4 further comprises: the current detection unit is used for acquiring a local resistance value by detecting a local resistance in a preset inductance element, analyzing the resistance component of the local resistance value, detecting a local voltage when the electric resistivity of the local resistance value is larger than a preset electric resistivity threshold value, acquiring a local voltage value, and analyzing the current condition by combining the local resistance value; when the electric resistance of the local resistance value is less than or equal to a preset electric resistance threshold value, the current condition is normal;
the working principle of the technical scheme is as follows: the method comprises the steps of obtaining a local resistance value by detecting a local resistance in a preset inductance element, carrying out resistance component analysis on the local resistance value, carrying out local voltage detection when the electric resistance of the local resistance value is larger than a preset electric resistance threshold value, obtaining a local voltage value, and analyzing the current condition by combining the local resistance value; when the electric resistance of the local resistance value is less than or equal to a preset electric resistance threshold value, the current condition is normal;
the beneficial effects of the above technical scheme are: through detecting the current, improve the security of short-time energy storage, strengthened charge time electric current risk probability.
In one embodiment, the module temperature monitoring comprises: the radiator is used for arranging a radiating line to the single super-capacitor and carrying out radiating treatment by acquiring the temperature data of the single super-capacitor; when the temperature data is less than or equal to preset heat dissipation temperature data, the super capacitor monomer is normally discharged and charged; when the temperature data is larger than the preset heat dissipation temperature data, controlling a heat dissipation line to perform heat dissipation treatment, monitoring the temperature again, and acquiring heat dissipation temperature data; the temperature prediction unit is used for monitoring a monomer adjacent to the target monomer of the super capacitor, acquiring adjacent data of the adjacent monomer, calculating the target monomer according to the adjacent data, acquiring predicted temperature data, and predicting and judging; wherein the adjacent data includes: the number of adjacent monomers and the temperature of the adjacent monomers; when the predicted temperature is within a preset range, marking the predicted temperature as a safe temperature; when the predicted temperature is not within the preset range, performing pre-heat dissipation treatment according to the difference value between the predicted temperature and a heat dissipation temperature threshold;
the working principle of the technical scheme is as follows: different from the temperature measurement technology in the prior art, the temperature is predicted in the above technical scheme, the radiator is used for arranging the heat radiation line to the super capacitor single body, and the heat radiation processing is performed by acquiring the temperature data of the super capacitor single body; when the temperature data is less than or equal to preset heat dissipation temperature data, the super capacitor monomer is normally discharged and charged; when the temperature data is larger than the preset heat dissipation temperature data, controlling a heat dissipation line to perform heat dissipation treatment, monitoring the temperature again, and acquiring heat dissipation temperature data; the temperature prediction unit is used for monitoring a monomer adjacent to the target monomer of the super capacitor, acquiring adjacent data of the adjacent monomer, calculating the target monomer according to the adjacent data, acquiring predicted temperature data, and predicting and judging; wherein the adjacent data includes: the number of adjacent monomers and the temperature of the adjacent monomers; when the predicted temperature is within a preset range, marking the predicted temperature as a safe temperature; when the predicted temperature is not within the preset range, performing pre-heat dissipation treatment according to the difference value between the predicted temperature and a heat dissipation temperature threshold, performing temperature test and air pressure test on a water cooler surrounding the super capacitor module 1 to obtain an atmospheric thermodynamic temperature γ, a super capacitor module side line air pressure δ, a water-cooled water density ρ, a water-cooled gas constant λ, a first influence factor α, a gas first parameter ε, a gas second parameter η and an initial temperature ω, and calculating a temperature influence coefficient ξ:
according to the average air pressure temperature psi and the monitored real-time temperature tau of the super capacitor module 1, calculating a predicted temperature Y:
Y＝τ*ξ±ψ
the beneficial effects of the above technical scheme are: the super capacitor single body is cooled by arranging the cooling line, the working time of the super capacitor single body is prolonged, the working safety of the super capacitor single body is improved by monitoring temperature data, and dangerous single bodies are screened out by predicting the temperature of the super capacitor single body to be cooled, so that the charging safety is greatly improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A short-time energy storage device and method for a vehicle-mounted self-generating system based on a super capacitor are characterized by comprising the following steps:
super capacitor module (1): the system comprises a super capacitor monomer, a power control module and a power control module, wherein the super capacitor monomer is used for acquiring vehicle-mounted real-time electric quantity and performing electric quantity control on the super capacitor monomer according to the vehicle-mounted real-time electric quantity to acquire electric quantity control information;
energy storage system (2): the management system is used for managing the super capacitor module (1) according to the UMS management system to obtain management data;
control device (3): the system is used for controlling the task of the command of the energy storage system (2) according to the management data and the short-time energy storage method;
monitoring device (4): the super capacitor module (1) is used for monitoring and obtaining module information.
2. The short-time energy storage device and the method for the vehicle-mounted self-generating system based on the super capacitor as claimed in claim 1, wherein the super capacitor module (1) comprises:
the super capacitor monomer: the device is used for acquiring electric quantity control information and adjusting the type of the capacitor monomer according to the electric quantity control information; wherein the content of the first and second substances,
the capacitor monomer types include: monomer energy type, monomer power type, monomer low internal resistance type;
electric quantity monitoring equipment: is used for monitoring the vehicle-mounted electric quantity and the super capacitor module (1) in real time and acquiring the vehicle-mounted real-time electric quantity and the capacitor module data, wherein,
the capacitor module data includes: module voltage, module capacity, and module maximum DC internal resistance.
3. The short-time energy storage device and the method for the vehicle-mounted self-generating system based on the super capacitor as claimed in claim 1, wherein the super capacitor module (1) further comprises:
electric quantity control unit: the system comprises a super capacitor unit, a vehicle-mounted real-time electric quantity control module, a control action module and a control action module, wherein the vehicle-mounted real-time electric quantity control module is used for carrying out electric quantity control analysis on the capacitor module according to vehicle-mounted real-time electric quantity to obtain analysis data, and calling the super capacitor unit to carry out electric quantity control according to the analysis data to obtain control action information; wherein the content of the first and second substances,
the electric quantity control comprises the following steps: fast charge control, fast discharge control.
4. The short-time energy storage device and the method for the supercapacitor-based vehicle-mounted self-generating system according to claim 1, wherein the energy storage system (2) comprises:
UMS management platform: the vehicle-mounted electric quantity information is compared with preset electric quantity information to obtain difference value information; wherein the content of the first and second substances,
when the vehicle-mounted electric quantity information is larger than the preset electric quantity information, acquiring positive difference value information, wherein the vehicle-mounted electric quantity is normal;
when the vehicle-mounted electric quantity information is less than or equal to preset electric quantity information, acquiring negative difference value information;
electric quantity management platform: the negative difference value information is screened to obtain management data; wherein the content of the first and second substances,
the management data includes: electric quantity difference value, electric quantity change time and real-time energy storage value.
5. The short-time energy storage device and the method for the supercapacitor-based vehicle-mounted self-generating system according to claim 1, wherein the control device (3) comprises:
a contact controller: the control device is used for receiving control information, controlling the main switch and acquiring the state of the main switch; wherein the content of the first and second substances,
the master switch state includes: a contactor C1 connected state, a contactor C1 disconnected state, a contactor C2 connected state, a contactor C2 disconnected state;
a fan controller: the system is used for controlling the power supply of the fan and acquiring the state of the fan;
a charge controller: the controller is used for controlling the charging switch and controlling the charging electric quantity according to the pre-charging quantity;
time control: used for judging the charging time according to the pre-charging amount; wherein the content of the first and second substances,
when the pre-charging amount is larger than a preset electric quantity threshold value, processing preset charging time according to the charging electric quantity;
and when the pre-charging amount is less than or equal to a preset electric quantity threshold value, carrying out normal charging.
6. The short-time energy storage device and method for the vehicle-mounted self-generating system based on the super capacitor as claimed in claim 1, wherein the short-time energy storage method comprises the following steps:
step S01: acquiring task information according to the management data, controlling a contact controller through the task information, and acquiring the connection state of the contactor; wherein the content of the first and second substances,
the task information includes: electric quantity change information and electric quantity change response time;
the contactor connection state includes: contactor C1 is connected, contactor C2 is connected;
step S02: adjusting fan control according to the connection state of the contactor, acquiring fan power supply current, and comparing and judging the fan power supply current with preset current; wherein the content of the first and second substances,
when the power supply current of the fan is larger than 1A, normal power supply is carried out;
when the fan power supply current is less than or equal to 1A, acquiring a fan power supply value, and performing charging operation;
step S03: according to the power supply value of the fan and the task information, power is supplied through the super capacitor module (1), charging control is carried out, and charging data are obtained; wherein the content of the first and second substances,
the charging data includes: a charge storage value and an actual charge time;
step S04: detecting battery charging operation, acquiring charging detection data, and comparing the charging detection data with the charging data; wherein the content of the first and second substances,
when the charging data is consistent with the charging detection data, calculating the actual energy storage speed;
when the charging data is inconsistent with the charging detection data, performing secondary calculation and performing emergency power supply treatment;
the charging detection data includes: and the energy storage detection value and the energy storage time detection value.
7. The short-time energy storage device and the method for the supercapacitor-based vehicle-mounted self-generating system according to claim 1, wherein the monitoring equipment (4) comprises:
monitoring module voltage: monitoring the voltage of the super capacitor module (1) through the UMS management system to obtain voltage monitoring data; wherein the content of the first and second substances,
the voltage monitoring data includes: the number of channels, the monitoring range, the monitoring precision, the voltage value and the monitoring time;
monitoring the temperature of the module: monitoring the temperature of the super capacitor module (1) through the UMS management system to obtain temperature monitoring data; wherein the content of the first and second substances,
the temperature detection data includes: working temperature, storage temperature, relative humidity, air pressure.
8. The short-time energy storage device and method for the supercapacitor-based vehicle-mounted self-power-generation system according to claim 2, wherein the capacitor unit comprises:
reverse polarity protection unit: the device is used for detecting whether the polarity position of the super capacitor monomer has errors or not; wherein the content of the first and second substances,
when the polarity position of the super capacitor monomer is normal, normal charging and discharging are carried out;
when the polarity position of the super capacitor monomer is abnormal, the situation of opposite polarity position occurs, and the super capacitor monomer is subjected to insulation protection treatment;
an equalization unit: the system comprises a detection module, a data processing module and a data processing module, wherein the detection module is used for detecting the battery state of a super capacitor monomer, acquiring battery data and carrying out balance judgment according to the battery data; wherein the content of the first and second substances,
the battery data includes: battery power data, battery voltage data;
when the battery voltage data is within a preset high voltage data range, the energy of the battery is discharged through a resistor, and the electric quantity is kept to be a preset normal electric quantity;
when the battery voltage data is not in a preset high voltage data range, detecting the battery state and acquiring battery balance information;
a voltage control unit: and the voltage data is actively corrected according to the preset voltage standard data of the super capacitor monomer, and is leveled to a standard voltage.
9. The short-time energy storage device and the method for the supercapacitor-based vehicle-mounted self-generating system according to claim 1, wherein the monitoring device (4) further comprises:
a current detection unit: is used for obtaining a local resistance value by detecting a local resistance in a preset inductance element and carrying out resistance component analysis on the local resistance value, wherein,
when the electric resistance of the local resistance value is larger than a preset electric resistance threshold value, carrying out local voltage detection to obtain a local voltage value, and analyzing the current condition by combining the local resistance value;
when the electric resistance of the local resistance value is less than or equal to the preset electric resistance threshold value, the current condition is normal.
10. The short-time energy storage device and method for the supercapacitor-based vehicle-mounted self-power-generation system according to claim 7, wherein the module temperature monitoring comprises:
a radiator: the device comprises a super capacitor monomer, a heat dissipation wire, a temperature sensor and a temperature sensor, wherein the heat dissipation wire is used for arranging a heat dissipation wire to the super capacitor monomer and performing heat dissipation treatment by acquiring temperature data of the super capacitor monomer; wherein the content of the first and second substances,
when the temperature data is less than or equal to the preset heat dissipation temperature data, the super capacitor monomer is normally discharged and charged;
when the temperature data is larger than the preset heat dissipation temperature data, controlling a heat dissipation line to perform heat dissipation treatment, monitoring the temperature again, and acquiring heat dissipation temperature data;
a temperature prediction unit: the super-capacitor temperature sensor is used for monitoring a monomer adjacent to a super-capacitor target monomer, acquiring adjacent data of the adjacent monomer, calculating the target monomer according to the adjacent data, acquiring predicted temperature data, and predicting and judging; wherein the content of the first and second substances,
the adjacent data includes: the number of adjacent monomers and the temperature of the adjacent monomers;
when the predicted temperature is within a preset range, marking the predicted temperature as a safe temperature;
and when the predicted temperature is not within the preset range, performing pre-heat dissipation treatment according to the difference value between the predicted temperature and the heat dissipation temperature threshold.
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