CN114362336B - Energy recycling control device and control method - Google Patents
Energy recycling control device and control method Download PDFInfo
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- 238000011084 recovery Methods 0.000 claims description 13
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Abstract
The invention discloses an energy recycling control device and a control method, wherein the device comprises a starting power supply, a starting vehicle and an energy absorbing device, the energy absorbing device comprises a first switch, a second switch, a super capacitor group, a DC/DC module and a sampling control module, a power supply output bus of the starting vehicle is connected with an input end of the super capacitor group, the super capacitor group is connected with the DC/DC module, and an output end of the DC/DC module is connected with a charging interface of the starting power supply through the power supply input bus; the positive bus of the power input bus is connected to the super capacitor group through the first switch, the positive bus of the power output bus is connected to the DC/DC module through the second switch, and two ends of the sampling control module are connected between the power input bus and the power output bus. The energy absorbing device is utilized to absorb the voltage peak energy and is utilized to supply power to the starting unit or other loads, so that the energy recycling is realized, the power supply time or the starting times of the starting power supply are increased, and the circuit is simple and the use is convenient.
Description
Technical Field
The invention relates to the technical field of power supplies, in particular to an energy recycling control device and method.
Background
The increase of the types of vehicle products and the aggravation of the shortage of resources make the application of new energy products wider. At present, a certain voltage peak exists when the vehicle-mounted generator is started or shut down, for example, a certain voltage peak occurs when a 12V/24V vehicle is started, the energy of the peak depends on the power of a motor, the influence of the peak on equipment on a bus of the vehicle can be reduced due to energy recovery, and the service life of a product is prolonged.
In the related art, the invention patent application with the application number 202011024227.1 discloses a voltage spike noise lossless absorption circuit, which comprises diodes D1, D2 and D3, capacitors C1, C2 and C3 and an inductor L1, wherein the diode D1, the inductor L1 and the diode D2 are sequentially connected in series, and the anode of the diode D1 is connected to the drain electrode of a power switch tube; one end of the capacitor C1 is connected with the cathode of the diode D1, and the other end of the capacitor C is grounded; one end of the capacitor C2 is connected with the anode of the diode D1, and the other end of the capacitor C is connected with the cathode of the diode D2; the anode of the diode D3 is connected with the cathode of the diode D2, the cathode is connected to a power supply VCC, and the power supply VCC is grounded through a capacitor C3; the first power switch tube is turned off, the voltage spike is charged into the capacitor C1 through the diode D1, the energy resonance of the C1 is converted into the C2, the second power switch tube is turned off, the energy of the C2 is converted into the power VCC end, the nondestructive conversion function of absorbing the energy is realized, the conversion efficiency is high, and the structure is simple
However, the peak appearing on the bus of the vehicle is discharged by capacitance absorption or resistance, the energy is not recycled, the waste is serious, and the endurance mileage of the product is not obviously improved.
Disclosure of Invention
The invention aims to solve the technical problem of how to realize the recycling of energy and increase the starting times and the power supply time of a power supply.
The invention solves the technical problems by the following technical means:
in a first aspect, an embodiment of the present invention provides an energy recycling control device, where the device includes a starting power supply and a starting vehicle, where a discharge port of the starting power supply is connected to the starting vehicle through a power output bus, and the energy absorbing device includes a first switch, a second switch, a supercapacitor set, a DC/DC module, and a sampling control module, where the power output bus of the starting vehicle is connected to an input end of the supercapacitor set, the supercapacitor set is connected to the DC/DC module, and an output end of the DC/DC module is connected to a charging interface of the starting power supply through a power input bus;
the positive bus of the power input bus is connected to the super capacitor group through the first switch, the positive bus of the power output bus is connected to the DC/DC module through the second switch, and two ends of the sampling control module are connected between the power input bus and the power output bus.
Through having increased an energy absorber on starting power supply system generating line, when using starting power supply to give the vehicle start, the starter drive engine rotates, and the engine drives the generator and rotates, has voltage spike when the generator starts, starts energy absorber, and automatic receiving and haircut motor's voltage spike energy to utilize energy absorber to supply power for starting unit or other loads, realized cyclic utilization of energy, through carrying out automatic control to the energy absorption process, increase starting power supply's power supply time or start-up number of times, and the circuit is simple, convenient to use.
Further, the sampling control module includes:
the collecting unit is used for collecting voltage peaks at the input end of the super capacitor bank;
the on-off unit is used for opening the first switch according to the voltage peak value so that the super capacitor bank absorbs the energy of the voltage peak value;
the detection unit is used for detecting the charge state of the super capacitor group and opening the second switch when the super capacitor group is in a full-power state;
and the charging unit is used for controlling the DC/DC module to charge the starting power supply in the state that the second switch is opened.
Further, the charging unit includes:
the power supply control device comprises an acquisition subunit, a control subunit and a control subunit, wherein the acquisition subunit is used for acquiring first electric quantity information of the DC/DC module and second electric quantity information of the starting power supply, the first electric quantity information comprises input voltage, output voltage, charging current and temperature state, the second electric quantity information comprises battery total voltage, battery total current, single battery voltage, battery temperature, ambient temperature and a working mode, and the working mode comprises a DC/DC mode and an MPPT peak tracking mode;
and the charging subunit is used for controlling the DC/DC module to charge the starting power supply according to the first electric quantity information and the second electric quantity information.
Further, the charging subunit is specifically configured to:
determining that the working state of the DC/DC module is a normal working state based on the first electric quantity information;
when the working mode is a DC/DC mode, a starting instruction and charging information are sent to the DC/DC module through a CAN bus so as to control the DC/DC module to charge the starting power supply;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, a starting instruction and charging information are sent to the DC/DC module through the CAN bus so as to control the DC/DC module to charge the starting power supply, and the charging information comprises an output voltage value and an output current limiting value.
Further, the charging subunit is specifically configured to:
determining that the working state of the DC/DC module is an abnormal working state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, sending a shutdown instruction to the DC/DC module through a CAN bus so as to control the DC/DC module to be closed.
In a second aspect, a second embodiment of the present invention provides an energy recycling control method, configured to control the energy recycling control device, where the method includes:
acquiring electricity consumption information of the super capacitor bank, wherein the electricity consumption information comprises a voltage peak of an input end of the super capacitor bank and a charge state of the super capacitor bank;
controlling on/off of the first switch and the second switch based on the electricity information;
in the first switch opening state, the super capacitor group absorbs energy of the voltage spike;
and in the second switch opening state, controlling the DC/DC module to charge the starting power supply.
Further, the controlling the DC/DC module to charge the starting power supply includes:
acquiring first electric quantity information of the DC/DC module and second electric quantity information of the starting power supply, wherein the first electric quantity information comprises input voltage, output voltage, charging current and temperature state, the second electric quantity information comprises battery total voltage, battery total current, single battery voltage, battery temperature, environment temperature and a working mode, and the working mode comprises a DC/DC mode and an MPPT peak tracking mode;
and controlling the DC/DC module to charge the starting power supply according to the first electric quantity information and the second electric quantity information.
Further, the controlling the DC/DC module to charge the starting power supply according to the first power information and the second power information includes:
determining that the working state of the DC/DC module is a normal working state based on the first electric quantity information;
when the working mode is a DC/DC mode, a starting instruction and charging information are sent to the DC/DC module through a CAN bus so as to control the DC/DC module to charge the starting power supply;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, a starting instruction and charging information are sent to the DC/DC module through the CAN bus so as to control the DC/DC module to charge the starting power supply, and the charging information comprises an output voltage value and an output current limiting value.
Further, the controlling the DC/DC module to charge the starting power supply according to the first power information and the second power information further includes:
determining that the working state of the DC/DC module is an abnormal working state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, sending a shutdown instruction to the DC/DC module through a CAN bus so as to control the DC/DC module to be closed.
The invention has the advantages that:
(1) In the invention, the starting power supply is provided with a charging interface and a discharging interface, the vehicle can be powered or started through the discharging port after being fully charged, an energy absorbing device is added on a bus of a power supply system of the starting power supply, when the starting power supply is used for starting the vehicle, the starter drives the engine to rotate, the engine drives the generator to rotate, a voltage peak exists when the generator is started, the electric energy absorbing device is started, the voltage peak energy of the hair-cutting motor is automatically received and processed, the energy absorbing device is utilized for supplying power for a starting unit or other loads, the energy recycling is realized, the power supply time or the starting times of the starting power supply are increased through automatic control of the energy absorbing process, and the circuit is simple and convenient to use.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a block diagram of a start-up mains power system;
FIG. 2 is a block diagram of an energy recovery control device according to a first embodiment of the present invention;
FIG. 3 is a block diagram of an energy absorbing device in accordance with a first embodiment of the present invention;
FIG. 4 is a control flow chart of a sampling control module according to a first embodiment of the present invention;
fig. 5 is a flowchart of an energy recycling control method in the second embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 2 to 3, a first embodiment of the present invention discloses an energy recycling control device, the device includes a starting power supply 10 and a starting vehicle 20, a discharge port of the starting power supply 10 is connected with the starting vehicle 20 through a power output bus, the energy recycling control device further includes an energy absorbing device 30, the energy absorbing device 30 includes a first switch 31, a second switch 32, a super capacitor bank 33, a DC/DC module 34 and a sampling control module 35, the power output bus of the starting vehicle 20 is connected with an input end of the super capacitor bank 33, the super capacitor bank 33 is connected with the DC/DC module 34, and an output end of the DC/DC module 34 is connected with a charging interface of the starting power supply 10 through a power input bus;
the positive bus of the power input bus is connected to the super capacitor group 33 through the first switch 31, the positive bus of the power output bus is connected to the DC/DC module 34 through the second switch 32, and two ends of the sampling control module 35 are connected between the power input bus and the power output bus.
The first switch 31 mainly controls the on or off of the external spike and the super capacitor bank 33; the super capacitor group 33M1 mainly absorbs peak energy, and the capacity of the super capacitor group 33 may be selected according to the energy of the peak; the DC/DC buck-boost module U1 can convert the energy of the super capacitor group 33 into 0-30V adjustable stable voltage, and can supply power to a load or charge a lithium battery pack; the second switch 32 mainly controls the energy of the super capacitor group 33 to charge the external lithium battery pack.
Note that, in the present embodiment, the first switch 31 and the second switch 32 may be switching devices such as a switching MOS transistor, which is not limited in particular.
Compared with the starting power supply system (shown in fig. 1) in the prior art, the discharging port of the first starting power supply 101 is connected with the first starting vehicle 102, and the charging port is connected with the charger 103, in this embodiment, an energy absorbing device 30 is added on a bus of the starting power supply system, when the starting power supply 10 is used for starting the vehicle, the starter drives the engine to rotate, the engine drives the generator to rotate, a voltage spike exists when the generator starts, the energy absorbing device 30 is added in the starting power supply 10, the voltage spike energy of the motor is automatically received and processed, the energy absorbing device 30 is utilized for supplying power to the starting unit or other loads, the energy recycling is realized, the operation safety of equipment on a bus of the vehicle generator is ensured, meanwhile, the energy recycling is considered, the power supply time or the starting times of the starting power supply 10 are increased, and the circuit is simple and convenient to use.
In some embodiments, the sampling control module 35 includes:
the collecting unit is used for collecting voltage peaks at the input end of the super capacitor bank 33;
an on-off unit for opening the first switch 31 according to the voltage spike value to enable the super capacitor group 33 to absorb the energy of the voltage spike;
it should be noted that, when the peak value of the input voltage exceeds 36V, the first switch is automatically turned on.
The detecting unit is configured to detect a charge state of the supercapacitor group 33, and open the second switch 32 when the supercapacitor group is in a full-power state.
And the charging unit is used for controlling the DC/DC module 34 to charge the starting power supply 10 under the opening state of the second switch 32.
When the voltage of the super capacitor is higher than 28V, the second switch is automatically opened, and meanwhile, the sampling control module sends a starting instruction to the DC/DC module; and after the DC/DC module is started, feeding back energy to the lithium battery pack in the starting power supply, wherein the super capacitor is in a discharge state, and when the voltage of the super capacitor is lower than 9V, the sampling control module sends a shutdown instruction to the DC/DC module, and simultaneously, the second switch is disconnected.
It should be noted that, as shown in fig. 4, the control flow of the sampling control module 35 controls the on-off states of the first switch 31 and the second switch 32 according to the peak voltage value and the charge state of the supercapacitor group 33.
It should be appreciated that during vehicle start-up, surge loading, surge unloading, and flameout, voltage spikes may occur at the vehicle generator output that are dependent on the vehicle generator power, instantaneous speed, and conditioning time.
In some embodiments, the charging unit includes:
an acquisition subunit, configured to acquire first power information of the DC/DC module 34 and second power information of the starting power supply 10, where the first power information includes an input voltage, an output voltage, a charging current, and a temperature state, the second power information includes a total battery voltage, a total battery current, a single battery voltage, a battery temperature, an ambient temperature, and an operation mode, and the operation mode includes a DC/DC mode and an MPPT peak tracking mode;
and a charging subunit, configured to control the DC/DC module 34 to charge the starting power supply 10 according to the first power information and the second power information.
It should be noted that the first power information includes, but is not limited to, obtaining, by the bus communication unit, an input voltage, an output voltage, a charging current, and a temperature state of the DC/DC module 34; the second power information includes, but is not limited to, acquiring a total battery voltage, a total battery current, a single battery voltage (7-way), a battery temperature (4-way), an ambient temperature, a reverse battery connection, a short circuit state, and an operation mode (DC/DC mode, MPPT spike tracking mode) of the BMS control board software inside the power supply 10 through the bus communication part.
In some embodiments, the charging subunit is specifically configured to:
determining that the operating state of the DC/DC module 34 is a normal operating state based on the first power information;
when the working mode is a DC/DC mode, a starting command and charging information are sent to the DC/DC module 34 through a CAN bus to control the DC/DC module 34 to charge the starting power supply 10;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, a startup instruction and charging information are sent to the DC/DC module 34 through a CAN bus to control the DC/DC module 34 to charge the startup power supply 10, wherein the charging information includes an output voltage value and an output current limit value.
It should be noted that, the DC/DC mode means that the peak amplitude of the input voltage is smaller, the charging is performed in the constant current mode at this time, the MPPT peak tracking mode means that the peak amplitude of the input voltage is very large and the period of the change is very fast, the sampling control module CAN send different duty ratios to meet the input through CAN communication, the duty ratios always track the period of the peak of the input voltage, and the energy absorption CAN reach the highest efficiency point in the mode.
When the DC input state of the DC/DC module 34 is normal and the output voltage, current, and temperature states are normal, the operation state of the DC/DC module 34 is determined to be a normal operation state.
When the working state of the DC/DC module 34 is the normal working state, the acquisition control module software sends a starting command to the DC/DC charging module through the CAN bus to control the DC/DC charging module to be opened, converts the direct current into stable direct current, and simultaneously sends a required output voltage value and an output current limiting value to the DC/DC charging module through the CAN bus to control the DC/DC charging module to provide proper charging voltage and charging current.
In some embodiments, the charging subunit is specifically configured to:
determining that the operating state of the DC/DC module 34 is an abnormal operating state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, a shutdown command is sent to the DC/DC module 34 through a CAN bus to control the DC/DC module 34 to be turned off.
When it is detected that the DC/DC module 34 is in at least one of an overvoltage state, an undervoltage state, an overcurrent state, and an overheat state, the DC/DC module 34 is in an abnormal operating state, and a shutdown instruction is sent to the DC/DC module 34 through the CAN bus to control the DC/DC module 34 to be turned off.
When detecting that the DC/DC module 34 is in the spike input state, the controller sends a shutdown command to the DC/DC module 34 via the CAN bus to control the DC/DC module 34 to be turned off.
The embodiment realizes the absorption of the voltage peak of the vehicle-mounted generator under the conditions of starting and running of the 12V/24V type vehicle, ensures the operation safety of equipment on the bus of the vehicle generator, simultaneously gives consideration to the energy recovery, solves the problems of the starting voltage peak and the energy recovery of the 12V/24V type vehicle, meets the power supply/starting requirements of all types of 12V/24V vehicle types, and has the advantages of simple circuit and convenient use.
As shown in fig. 5, a second embodiment of the present invention discloses an energy recovery control method for controlling an energy recovery control device as described above, the method comprising:
s10, acquiring electricity utilization information of the super capacitor bank, wherein the electricity utilization information comprises voltage spikes of the input end of the super capacitor bank and charge states of the super capacitor bank;
s20, controlling on/off of the first switch and the second switch based on the electricity utilization information;
s30, in the first switch opening state, the super capacitor bank absorbs the energy of the voltage spike;
and S40, controlling the DC/DC module to charge the starting power supply under the condition that the second switch is opened.
In some embodiments, the controlling the DC/DC module to charge the starting power supply includes:
acquiring first electric quantity information of the DC/DC module and second electric quantity information of the starting power supply, wherein the first electric quantity information comprises input voltage, output voltage, charging current and temperature state, the second electric quantity information comprises battery total voltage, battery total current, single battery voltage, battery temperature, environment temperature and a working mode, and the working mode comprises a DC/DC mode and an MPPT peak tracking mode;
and controlling the DC/DC module to charge the starting power supply according to the first electric quantity information and the second electric quantity information.
In some embodiments, the controlling the DC/DC module to charge the starting power supply according to the first power information and the second power information includes:
determining that the working state of the DC/DC module is a normal working state based on the first electric quantity information;
when the working mode is a DC/DC mode, a starting instruction and charging information are sent to the DC/DC module through a CAN bus so as to control the DC/DC module to charge the starting power supply;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, a starting instruction and charging information are sent to the DC/DC module through the CAN bus so as to control the DC/DC module to charge the starting power supply, and the charging information comprises an output voltage value and an output current limiting value.
In some embodiments, the controlling the DC/DC module to charge the starting power supply according to the first power information and the second power information further includes:
determining that the working state of the DC/DC module is an abnormal working state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, sending a shutdown instruction to the DC/DC module through a CAN bus so as to control the DC/DC module to be closed.
The method can be suitable for various types of vehicles and the use requirements of various types of direct current motors, reduces the risk of damage to vehicle equipment caused by voltage spikes of the generator, realizes energy recycling, and improves the starting times and the power supply time of the starting power supply 10.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, for example, may be considered as a ordered listing of executable instructions for implementing logical functions, and may be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. The device comprises a starting power supply and a starting vehicle, wherein a discharge port of the starting power supply is connected with the starting vehicle through a power supply output bus, and the device is characterized by further comprising an energy absorbing device, wherein the energy absorbing device comprises a first switch, a second switch, a super capacitor group, a DC/DC module and a sampling control module, the power supply output bus of the starting vehicle is connected with the input end of the super capacitor group, the super capacitor group is connected with the DC/DC module, and the output end of the DC/DC module is connected with a charging interface of the starting power supply through the power supply input bus;
the positive bus of a power output bus of a starting vehicle is connected to the super capacitor group through the first switch, the positive bus of the power input bus is connected to the DC/DC module through the second switch, and two ends of the sampling control module are connected between the power input bus and the power output bus;
the sampling control module comprises a charging unit, wherein the charging unit comprises a charging subunit, and the sampling control module is specifically used for:
determining that the working state of the DC/DC module is a normal working state based on first electric quantity information of the DC/DC module, wherein the first electric quantity information comprises input voltage, output voltage, charging current and temperature state;
when the working mode is a DC/DC mode, a starting instruction and charging information are sent to the DC/DC module through a CAN bus so as to control the DC/DC module to charge the starting power supply;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, sending a starting instruction and charging information to the DC/DC module through a CAN bus to control the DC/DC module to charge the starting power supply, wherein the charging information comprises an output voltage value and an output current limiting value;
the DC/DC mode is that the peak amplitude of input voltage is smaller, and charging is performed in a constant current mode; the MPPT peak tracking mode means that the input peak has large variation amplitude and quick variation period, and different duty ratios are sent through CAN communication to meet the input, and the duty ratios are used for tracking the period of the input voltage peak.
2. The energy recovery control device of claim 1, wherein the sampling control module comprises:
the collecting unit is used for collecting voltage peaks at the input end of the super capacitor bank;
the on-off unit is used for opening the first switch according to the voltage peak value so that the super capacitor bank absorbs the energy of the voltage peak value;
the detection unit is used for detecting the charge state of the super capacitor group and opening the second switch when the super capacitor group is in a full-power state;
and the charging unit is used for controlling the DC/DC module to charge the starting power supply in the state that the second switch is opened.
3. The energy recovery control device according to claim 2, wherein the charging unit includes:
the power supply control device comprises an acquisition subunit, a control subunit and a control subunit, wherein the acquisition subunit is used for acquiring first electric quantity information of the DC/DC module and second electric quantity information of the starting power supply, the second electric quantity information comprises a battery total voltage, a battery total current, a single battery voltage, a battery temperature, an environment temperature and a working mode, and the working mode comprises a DC/DC mode and an MPPT peak tracking mode;
and the charging subunit is used for controlling the DC/DC module to charge the starting power supply according to the first electric quantity information and the second electric quantity information.
4. The energy recovery control device of claim 3, wherein the charging subunit is specifically configured to:
determining that the working state of the DC/DC module is an abnormal working state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, sending a shutdown instruction to the DC/DC module through a CAN bus so as to control the DC/DC module to be closed.
5. An energy recovery control method for controlling the energy recovery control device according to any one of claims 1 to 4, the method comprising:
acquiring electricity consumption information of the super capacitor bank, wherein the electricity consumption information comprises a voltage peak of an input end of the super capacitor bank and a charge state of the super capacitor bank;
controlling on/off of the first switch and the second switch based on the electricity information;
in the first switch opening state, the super capacitor group absorbs energy of the voltage spike;
and in the second switch opening state, controlling the DC/DC module to charge the starting power supply.
6. The energy recovery control method according to claim 5, wherein the controlling the DC/DC module to charge the starting power supply includes:
acquiring first electric quantity information of the DC/DC module and second electric quantity information of the starting power supply, wherein the first electric quantity information comprises input voltage, output voltage, charging current and temperature state, the second electric quantity information comprises battery total voltage, battery total current, single battery voltage, battery temperature, environment temperature and a working mode, and the working mode comprises a DC/DC mode and an MPPT peak tracking mode;
and controlling the DC/DC module to charge the starting power supply according to the first electric quantity information and the second electric quantity information.
7. The energy recovery control method according to claim 6, wherein the controlling the DC/DC module to charge the start-up power supply according to the first power information and the second power information includes:
determining that the working state of the DC/DC module is a normal working state based on the first electric quantity information;
when the working mode is a DC/DC mode, a starting instruction and charging information are sent to the DC/DC module through a CAN bus so as to control the DC/DC module to charge the starting power supply;
when the working state is a normal working state and the working mode is an MPPT peak tracking mode, a starting instruction and charging information are sent to the DC/DC module through the CAN bus so as to control the DC/DC module to charge the starting power supply, and the charging information comprises an output voltage value and an output current limiting value.
8. The energy recycling control method according to claim 6, wherein the controlling the DC/DC module to charge the starting power source according to the first power information and the second power information further comprises:
determining that the working state of the DC/DC module is an abnormal working state based on the first electric quantity information;
and when the working mode is a DC/DC mode or the MPPT peak tracking mode, sending a shutdown instruction to the DC/DC module through a CAN bus so as to control the DC/DC module to be closed.
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| CN102862494A (en) * | 2012-09-21 | 2013-01-09 | 山推工程机械股份有限公司 | Method for recycling power energy from hybrid power bulldozer and vehicle control unit |
| CN103661354A (en) * | 2013-12-06 | 2014-03-26 | 康清华 | Energy recycling system of intelligent car |
| CN106864277A (en) * | 2017-03-20 | 2017-06-20 | 重庆力华自动化技术有限责任公司 | One kind increases range controller control circuit |
| CN108482130A (en) * | 2018-03-27 | 2018-09-04 | 吉利汽车研究院（宁波）有限公司 | Energy regenerating control device, vehicle energy recovery system and automobile |
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| FR3047850A1 (en) * | 2016-02-16 | 2017-08-18 | Schneider Electric Ind Sas | METHOD FOR CONTROLLING A VIRTUAL GENERATOR |
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| CN102862494A (en) * | 2012-09-21 | 2013-01-09 | 山推工程机械股份有限公司 | Method for recycling power energy from hybrid power bulldozer and vehicle control unit |
| CN103661354A (en) * | 2013-12-06 | 2014-03-26 | 康清华 | Energy recycling system of intelligent car |
| CN106864277A (en) * | 2017-03-20 | 2017-06-20 | 重庆力华自动化技术有限责任公司 | One kind increases range controller control circuit |
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