CN210744812U - Super capacitor energy management system based on passenger ferry - Google Patents
Super capacitor energy management system based on passenger ferry Download PDFInfo
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- CN210744812U CN210744812U CN201922164411.5U CN201922164411U CN210744812U CN 210744812 U CN210744812 U CN 210744812U CN 201922164411 U CN201922164411 U CN 201922164411U CN 210744812 U CN210744812 U CN 210744812U
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Abstract
The utility model relates to a super capacitor energy management system based on a passenger ferry, wherein the passenger ferry is provided with a direct current bus; the method is characterized in that: the system comprises a super capacitor bank, a super capacitor management module CMS, an energy consumption braking unit, a processor, a bidirectional DC/DC converter, a circuit breaker, a voltage detection module, a current detection module and a CAN bus; the utility model discloses in because super capacitor self structural feature, it has heavy current quick charge-discharge and the big advantage of power density, can effectively absorb ferryboat braking energy, improves energy utilization efficiency, reduces the electric wire netting and undulant, the utility model discloses a management system has long service life, maintains convenient characteristics, can effectively reduce the maintenance cost; additionally, the utility model provides an energy management system can pass through host computer real time monitoring equipment operational aspect and issue the instruction, has improved operating efficiency, has improved the security simultaneously.
Description
Technical Field
The utility model relates to a super capacitor technical field especially relates to a super capacitor energy management system based on car passenger ferryboat.
Background
The super capacitor is a novel energy storage device and has the characteristics of high power density, short charging time, long service life, good temperature characteristic, energy conservation, environmental protection and the like. By virtue of these advantages, supercapacitors are widely used in various fields.
In recent years, although river-crossing channels such as highway bridges, river bottom tunnels and the like are rapidly developed and the traffic conditions in south and north are greatly improved, the Yangtze river vehicles and passenger ferries are still indispensable important traffic means in the south and north traffic due to the special advantages and characteristics and bear increasingly heavy transportation tasks; because the running distance of the passenger ferry is short, the propulsion motor needs to be frequently braked on a large scale, so that the power grid of the ship generates large fluctuation and energy waste is caused, and therefore, an energy management system is needed to solve the problem of serious energy waste of the ferry.
The super capacitor management system and the ship disclosed in chinese patent 201721853828.7, the super capacitor management system includes: super capacitor system, a plurality of slaves and host computer. The super capacitor system comprises a plurality of super capacitor branch series modules which are connected in parallel. And a plurality of slave machines are respectively installed on each super capacitor module. The master machine and the slave machine respectively comprise ZigBee communication modules, information can be interacted between the master machine and the slave machine through the ZigBee communication modules, and the master machine controller is configured to control and protect the super capacitor system based on information related to the super capacitor module. According to the utility model discloses a super capacitor management system, host computer and from the topological structure between the machine be wireless Mesh network, and this kind of communication mode has cancelled the communication cable between each super capacitor module, has eliminated the trouble hidden danger that communication line and connector brought, has also eliminated the host computer simultaneously and has followed the influence that the information interaction brought by the mounted position between the machine, ensures reliability and the security of operation.
The above patent mainly relates to the control and stability protection of communication, and does not disclose the management and control technology of related energy.
The present invention discloses and provides a modular load-through type supercapacitor equalization management system, as disclosed in chinese patent 201610455104.0. The super capacitor module comprises a main control unit, an external DC/DC, a main power bus, a low-voltage power supply bus, a CAN bus, N balancing units and N super capacitor modules corresponding to the balancing units, wherein each balancing unit respectively comprises a module balancing circuit, a DC/DC and an MCU, the MCU is respectively connected with the DC/DC, the module balancing circuits and the CAN bus, and the MCU controls each super capacitor in the super capacitor modules to implement charging and discharging to perform balance management in the super capacitor modules. And the main control unit is connected with the MCU in each balancing unit through the CAN bus to control the charging and discharging among the balancing units to implement the balancing management among the super capacitor modules. And the DC/DC and the external DC/DC in each super capacitor module and each balancing unit are connected with a low-voltage power supply bus, and the low-voltage power supply bus can be connected to a load.
The above patent mainly relates to the realization of energy balance of super capacitor by modularized management, but is not based on the application of super capacitor on ship.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a super capacitor energy management system based on bus passenger ferry, can solve general ferry because bus passenger ferry operating distance is shorter, propulsion motor need frequently the large scale play braking, not only cause the boats and ships electric wire netting to produce great fluctuation to the extravagant problem of energy has been caused.
In order to solve the technical problem, the utility model adopts the technical scheme that: a super capacitor energy management system based on a passenger ferry is provided with a direct current bus; the innovation points are as follows: the system comprises a super capacitor bank, a super capacitor management module CMS, an energy consumption braking unit, a processor, a bidirectional DC/DC converter, a circuit breaker, a voltage detection module, a current detection module, a CAN bus and an upper computer;
one end of the CAN bus is connected to an upper computer; the processor is connected with the upper computer through a CAN bus, transmits data to the upper computer and receives instructions of the upper computer;
the super capacitor bank is connected with the low-voltage side of the bidirectional DC/DC converter; the CAN data signal of the super capacitor bank is connected with one end of a super capacitor management module CMS, and the other end of the super capacitor management module CMS is connected with a CAN bus; the super capacitor management module CMS collects the voltage and the temperature of each single capacitor of the super capacitor bank and sends the data to an upper computer;
the processor is arranged on the CAN bus and is connected with the bidirectional DC/DC converter, the energy consumption braking unit, the voltage detection module and the current detection module;
the high-voltage side of the bidirectional DC/DC converter is connected with a direct-current bus arranged on the passenger ferry; the voltage detection module and the current detection module are provided with a pair; one end of one of the voltage detection modules is connected to the processor, and the other end of the voltage detection module is connected to the super capacitor bank; the system comprises a processor, a voltage detection circuit and a data transmission circuit, wherein the voltage detection circuit is used for detecting real-time voltage of a super capacitor bank and transmitting data to the processor; one end of the other voltage detection module in the voltage detection modules is connected to the processor, and the other end of the other voltage detection module is connected to the direct current bus, and the other voltage detection module is used for detecting the real-time voltage of the direct current bus of the ferry and transmitting data to the processor;
one end of one of the current detection modules is connected to the processor, and the other end of the current detection module is connected to the super capacitor and used for detecting the real-time current of the super capacitor bank and transmitting data to the processor; one end of the other current detection module of the current detection modules is connected to the processor, and the other end of the other current detection module is connected to the direct current bus, and the other current detection module is used for detecting the real-time current of the direct current bus of the ferry and transmitting data to the processor.
Furthermore, a circuit breaker is arranged between the high-voltage side of the bidirectional DC/DC converter and a direct-current bus arranged on the passenger ferry, so that the bidirectional DC/DC converter is used for isolating a circuit when being used for overload and short-circuit protection and equipment maintenance.
Furthermore, the energy consumption braking unit comprises an IGBT and an energy consumption resistor, one end of the energy consumption resistor is connected to the IGBT, and the other end of the energy consumption resistor is connected to the direct current bus; the dynamic braking unit is in a standby braking mode and is controlled by the processor.
Further, the bidirectional DC/DC converter is controlled by the processor to work in buck or boost mode.
The utility model has the advantages that:
1) the utility model discloses in because super capacitor self structural feature, it has heavy current quick charge-discharge and the big advantage of power density, can effectively absorb ferryboat braking energy, improves energy utilization efficiency, reduces the electric wire netting and undulant, the utility model discloses a management system has long service life, maintains convenient characteristics, can effectively reduce the maintenance cost; additionally, the utility model provides an energy management system can pass through host computer real time monitoring equipment operational aspect and issue the instruction, has improved operating efficiency, has improved the security simultaneously.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a connection structure diagram of a super capacitor energy management system based on a passenger ferry.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, a super capacitor energy management system based on a passenger ferry is provided with a dc bus 1; the system comprises a super capacitor bank 2, a super capacitor management module CMS3, an energy consumption braking unit 4, a processor 5, a bidirectional DC/DC converter 6, a circuit breaker 7, a voltage detection module 8, a current detection module, a CAN bus 9 and an upper computer 10.
One end of the CAN bus 9 is connected to an upper computer 10; the processor 5 is connected with the upper computer 10 through the CAN bus 9, transmits data to the upper computer 10 and receives instructions of the upper computer 10.
The supercapacitor group 2 is connected with the low-voltage side of the bidirectional DC/DC converter 6; the CAN data signal of the super capacitor bank 2 is connected with one end of a super capacitor management module CMS3, and the other end of the super capacitor management module CMS3 is connected with the CAN bus 9; the super capacitor management module CMS3 collects the voltage and temperature of each single capacitor of the super capacitor bank 2, and sends the data to the upper computer 10; the upper computer 10 receives and displays all data and has the functions of data storage, accident alarm and remote control.
The processor 5 is arranged on the CAN bus 9, and the processor 5 is connected with the bidirectional DC/DC converter 6, the dynamic braking unit 4, the voltage detection module 8 and the current detection module 9; the dynamic braking unit 4 comprises an IGBT41 and a dynamic resistor 42, one end of the dynamic resistor 42 is connected to the IGBT41, and the other end of the dynamic resistor 42 is connected to the direct current bus 1; the dynamic braking unit 4 is in a backup braking mode and is controlled by the processor 5.
The high-voltage side of the bidirectional DC/DC converter 6 is connected with a direct current bus 1 arranged on a passenger vehicle; the breaker 7 is used for breaking a circuit during overload, short-circuit protection and equipment maintenance; the bidirectional DC/DC converter 6 is controlled by the processor 5 to work in buck or boost mode; the voltage detection module 8 and the current detection module 9 are provided with a pair; one end of one voltage detection module 8 in the voltage detection modules 8 is connected to the processor 5, and the other end is connected to the super capacitor bank 2; for detecting the real-time voltage of the supercapacitor bank 2 and transmitting the data to the processor 5; one end of another voltage detection module 8 in the voltage detection modules 8 is connected to the processor 5, and the other end is connected to the direct current bus 1, and the voltage detection module is used for detecting the real-time voltage of the direct current bus 1 of the ferry and transmitting the data to the processor 5.
One end of one current detection module 9 of the current detection modules 9 is connected to the processor 5, and the other end is connected to the super capacitor 2, and is used for detecting the real-time current of the super capacitor bank 2 and transmitting data to the processor 5; one end of another current detection module 9 of the current detection module 9 is connected to the processor 5, and the other end is connected to the direct current bus 1, and the current detection module is used for detecting the real-time current of the ferry direct current bus 1 and transmitting data to the processor 5; the circuit breaker 7 is used for breaking a circuit in overload, short-circuit protection, and equipment maintenance.
The utility model discloses a theory of operation is: when the ferry is started or accelerated, and the voltage of the direct current bus section is reduced to a low threshold value, the upper computer inquires the SOC of the super capacitor bank through the CMS, if the SOC is greater than 0.5, the processor controls the bidirectional DC/DC converter to be in a discharging mode to provide energy for the direct current bus section, and when the SOC is =0.5, discharging is stopped; if the initial SOC is <0.5, the processor does not act; when the ferry is decelerated and braked and the voltage of the direct-current bus section rises to a high-level threshold value, the upper computer inquires the SOC of the super capacitor bank through the CMS, if the SOC is less than 0.9, the processor controls the bidirectional DC/DC converter to be in a charging mode to charge the super capacitor bank, and when the SOC =0.95, the charging is stopped, the processor controls the IGBT to be conducted, and redundant energy is consumed on the energy consumption resistor; if the initial SOC is greater than 0.9, the IGBT is directly controlled to be conducted by the processor, and redundant energy is consumed on the energy consumption resistor. And if the super capacitor loop has a fault in the normal working process of the ferry, putting the energy consumption braking unit into use.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A super capacitor energy management system based on a passenger ferry is provided with a direct current bus; the method is characterized in that: the system comprises a super capacitor bank, a super capacitor management module CMS, an energy consumption braking unit, a processor, a bidirectional DC/DC converter, a circuit breaker, a voltage detection module, a current detection module, a CAN bus and an upper computer;
one end of the CAN bus is connected to the upper computer; the processor is connected with the upper computer through a CAN bus, transmits data to the upper computer and receives instructions of the upper computer;
the super capacitor bank is connected with the low-voltage side of the bidirectional DC/DC converter; the CAN data signal of the super capacitor bank is connected with one end of a super capacitor management module CMS, and the other end of the super capacitor management module CMS is connected with a CAN bus; the super capacitor management module CMS collects the voltage and the temperature of each single capacitor of the super capacitor bank and sends the data to an upper computer;
the processor is arranged on the CAN bus and is connected with the bidirectional DC/DC converter, the energy consumption braking unit, the voltage detection module and the current detection module;
the high-voltage side of the bidirectional DC/DC converter is connected with a direct-current bus arranged on the passenger ferry; the voltage detection module and the current detection module are provided with a pair; one end of one of the voltage detection modules is connected to the processor, and the other end of the voltage detection module is connected to the super capacitor bank; the system comprises a processor, a voltage detection circuit and a data transmission circuit, wherein the voltage detection circuit is used for detecting real-time voltage of a super capacitor bank and transmitting data to the processor; one end of the other voltage detection module in the voltage detection modules is connected to the processor, and the other end of the other voltage detection module is connected to the direct current bus, and the other voltage detection module is used for detecting the real-time voltage of the direct current bus of the ferry and transmitting data to the processor;
one end of one of the current detection modules is connected to the processor, and the other end of the current detection module is connected to the super capacitor and used for detecting the real-time current of the super capacitor bank and transmitting data to the processor; one end of the other current detection module of the current detection modules is connected to the processor, and the other end of the other current detection module is connected to the direct current bus, and the other current detection module is used for detecting the real-time current of the direct current bus of the ferry and transmitting data to the processor.
2. The supercapacitor energy management system according to claim 1, wherein: a circuit breaker is arranged between the high-voltage side of the bidirectional DC/DC converter and a direct-current bus arranged on the passenger ferry, and the circuit breaker is used for isolating a circuit when overload and short-circuit protection and equipment maintenance are realized.
3. The supercapacitor energy management system according to claim 1, wherein: the energy consumption braking unit comprises an IGBT and an energy consumption resistor, one end of the energy consumption resistor is connected to the IGBT, and the other end of the energy consumption resistor is connected to the direct current bus; the dynamic braking unit is in a standby braking mode and is controlled by the processor.
4. The supercapacitor energy management system according to claim 1, wherein: the bidirectional DC/DC converter is controlled by the processor to work in buck or boost mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922164411.5U CN210744812U (en) | 2019-12-06 | 2019-12-06 | Super capacitor energy management system based on passenger ferry |
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| CN201922164411.5U CN210744812U (en) | 2019-12-06 | 2019-12-06 | Super capacitor energy management system based on passenger ferry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829564A (en) * | 2019-12-06 | 2020-02-21 | 江苏科技大学 | Super capacitor energy management system based on passenger ferry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829564A (en) * | 2019-12-06 | 2020-02-21 | 江苏科技大学 | Super capacitor energy management system based on passenger ferry |
| CN110829564B (en) * | 2019-12-06 | 2024-05-03 | 江苏科技大学 | Super capacitor energy management system based on bus ferry |
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