CN114285146A - Hybrid power supply system and refrigerated transport equipment - Google Patents
Hybrid power supply system and refrigerated transport equipment Download PDFInfo
- Publication number
- CN114285146A CN114285146A CN202111464934.7A CN202111464934A CN114285146A CN 114285146 A CN114285146 A CN 114285146A CN 202111464934 A CN202111464934 A CN 202111464934A CN 114285146 A CN114285146 A CN 114285146A
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- power supply
- lithium battery
- unit
- voltage lithium
- box
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 88
- 238000010248 power generation Methods 0.000 claims abstract description 69
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 238000005057 refrigeration Methods 0.000 claims description 46
- 239000000779 smoke Substances 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of power supply equipment, in particular to a hybrid power supply system and refrigerated transport equipment, wherein the system comprises: the shell is provided with a suspension structure, and the suspension structure is used for being installed on corner fittings of the refrigerated container; the refrigerator comprises a diesel power generation power supply unit, a high-voltage lithium battery power supply box, a first converter and a control module, wherein the diesel power generation power supply unit, the high-voltage lithium battery power supply box, the first converter and the control module are arranged in a shell, the diesel power generation power supply unit and the high-voltage lithium battery power supply box are both connected with a refrigerating unit in a refrigerated container, the first converter is connected between the diesel power generation power supply unit and the high-voltage lithium battery power supply box, the first converter is provided with a first interface, and the high-voltage lithium battery power supply box is charged from an external alternating current power supply through the first interface; the control module is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit, so that the system is independent of the setting of the refrigerated container, two power supply modes are adopted inside the system to alternately and circularly supply power to the refrigerating unit, and the transportation reliability of the refrigerating unit is improved.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a hybrid power supply system and refrigeration transport equipment.
Background
The existing cold chain transportation includes not only land transportation but also sea transportation, wherein, the large span needs to be transported by ocean-going sea refrigerated containers. And the power supply mode of the cold chain transportation equipment of the railway is self power supply and centralized power supply. The refrigeration of the refrigeration system mostly adopts diesel oil, so that a generator set is driven to generate electricity, the power is supplied to the refrigeration unit, and the quality of cold chain goods is ensured.
However, most of the power supply systems are integrated in the container or the single train, so that the cargo transportation can only be directly achieved, the single refrigerated container cannot be disassembled midway, and the reliability of refrigeration is influenced if the single train is disassembled independently.
Disclosure of Invention
In view of the above, the present invention has been made to provide a hybrid power supply system and a refrigerated transport appliance that overcome or at least partially solve the above problems.
In a first aspect, the present invention provides a hybrid power supply system, comprising:
the refrigeration container comprises a shell, wherein a suspension structure is arranged on the shell and is used for being installed on a corner piece of the refrigeration container, so that the shell is fixed on the outer side of the refrigeration container, and the refrigeration container is applied to railway transportation or ocean transportation;
the diesel power generation power supply unit, the high-voltage lithium battery power supply box, the first converter and the control module are positioned in the shell;
the diesel power generation power supply unit and the high-voltage lithium battery power supply box are respectively connected with a refrigerating unit in the refrigerated container; the first converter is connected between the diesel power generation power supply unit and the high-voltage lithium battery power supply box, and is provided with a first interface which is used for connecting an external alternating current power supply so as to charge the high-voltage lithium battery power supply box through the external alternating current power supply;
and the control module is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit.
Preferably, the diesel-electric power generating unit includes: the system comprises a diesel generator set, a generator set controller and an energy storage oil tank;
the high voltage lithium battery power box includes: high voltage lithium battery and battery management unit.
Preferably, the method further comprises the following steps:
and the low-voltage storage battery is positioned in the shell and used for supplying power to the generator set controller, the battery management unit, the control module and the first converter.
Preferably, the method further comprises the following steps:
the solar power generation panel is positioned outside the shell and used for absorbing solar energy and converting the solar energy into electric energy;
the heat absorption power generation plate is positioned outside the shell and used for absorbing heat generated by the diesel power generation power supply unit and converting the heat into electric energy;
the solar power generation panel and the heat absorption power generation panel are also used for storing the electric energy in the low-voltage storage battery.
Preferably, the method further comprises the following steps:
the central monitoring device is in communication connection with the control module;
the central monitoring device is used for monitoring whether the battery management unit has a signal of insufficient electric quantity when the high-voltage lithium battery power box supplies power to the refrigerating unit; and if so, reminding a user to charge the high-voltage lithium battery power supply box by adopting an external alternating current power supply through the first interface.
Preferably, the control module is configured to control the diesel power generation unit to start up to supply power to the refrigeration unit and charge the high-voltage lithium battery power box simultaneously when the high-voltage lithium battery power box is not charged for more than a preset time period; after the high-voltage lithium battery power box is charged, the control module controls the diesel power generation power supply unit to be closed and controls the high-voltage lithium battery power supply box to supply power to the refrigerating unit, so that the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit.
Preferably, the high-voltage lithium battery power box is provided with a second interface for connecting an external direct-current power supply, and the central monitoring device monitors that the battery management unit displays insufficient electric quantity and reminds a user to charge the high-voltage lithium battery power box through the second interface by adopting an external direct-current power supply.
Preferably, the method further comprises the following steps:
and the second converter is positioned in the shell, the diesel power generation power supply unit and the high-voltage lithium battery power supply box are respectively connected with the second converter, and the second converter is connected with the refrigerating unit and used for converting a direct-current power supply provided by the diesel power generation power supply unit or the high-voltage lithium battery power supply box into an alternating-current power supply.
Preferably, the method further comprises the following steps:
the temperature sensor, the smoke sensor and the fire-fighting subsystem are arranged in the shell;
the temperature sensor is used for monitoring the temperature around the diesel power generation power supply unit and the high-voltage lithium battery power supply box;
the smoke sensor is used for sensing whether smoke exists in the shell;
and the control module controls the fire-fighting subsystem to start fire extinguishing when the temperature monitored by the temperature sensor exceeds a preset value and the smoke sensor senses smoke.
In a second aspect, the present invention further provides a refrigerated transport device for railway transportation or marine transportation, comprising:
the refrigeration container is internally provided with a refrigeration unit;
the hybrid power supply system of the first aspect is hung at an end of the refrigerated container for supplying power to the refrigeration unit.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the invention provides a hybrid power supply system, comprising: the refrigeration container comprises a shell, wherein a suspension structure is arranged on the shell and is used for being installed on a corner piece of the refrigeration container, so that the shell is fixed to the outer side of the refrigeration container, and the refrigeration container is applied to railway transportation or ocean transportation; the refrigerator comprises a diesel power generation power supply unit, a high-voltage lithium battery power supply box, a first converter and a control module, wherein the diesel power generation power supply unit, the high-voltage lithium battery power supply box, the first converter and the control module are positioned in a shell, the diesel power generation power supply unit and the high-voltage lithium battery power supply box are both used for being connected with a refrigerating unit in a refrigerated container, the first converter is connected between the diesel power generation power supply unit and the high-voltage lithium battery power supply box, the first converter is provided with a first interface, and the first interface charges the high-voltage lithium battery power supply box through an external alternating current power supply; the control module is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit, so that the system structure is independent of the setting of the refrigerated container, and two power supply units are adopted in the system structure to alternately and circularly supply power to the refrigerating unit, and the transportation reliability of the refrigerating unit is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 shows a schematic diagram of a hybrid power supply system in an embodiment of the invention;
FIG. 2 is a schematic top view of the housing in an embodiment of the invention;
FIG. 3 shows a schematic view of the structure of the suspension structure cooperating with the upright in an embodiment of the invention;
fig. 4 and 5 are schematic diagrams illustrating the placement positions of components in the hybrid power supply system according to the embodiment of the invention;
figure 6 shows a schematic view of a refrigerated transport unit in an embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
An embodiment of the present invention provides a hybrid power supply system, as shown in fig. 1, including:
the refrigeration container comprises a shell 101, wherein a hanging structure is arranged on the shell 101 and is used for being installed on a corner piece of the refrigeration container, so that the shell 101 is hung on the outer side of a refrigeration container 102, and the refrigeration container 102 is applied to railway transportation or ocean transportation.
The system comprises a diesel power generation power supply unit 103, a high-voltage lithium battery power supply box 104, a first converter 105 and a control module 106 which are positioned in a shell 101.
Wherein, the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104 are respectively connected with a refrigerating unit 1022 in the refrigerated container; the first converter 105 is connected in front of the diesel power generating set 103 and the high-voltage lithium battery box 104, the first converter 105 is provided with a first interface 1051, and the first interface 1061 is used for connecting an external alternating current power supply to charge the high-voltage lithium battery box 104 through the external alternating current power supply.
The control module 106 is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit.
In particular embodiments, the hybrid power supply system is a structure that is independent of the reefer container 102, and can be easily assembled with the reefer container.
Specifically, the hybrid power supply system includes a housing 101, which is a trapezoid, wherein the surface of the housing 101 contacting the refrigerated container 102 is the bottom surface of the trapezoid, i.e. the bottom surface with a larger area, and the top surface with a smaller area is opposite to the contacting surface, as shown in fig. 2, which is a top view of the housing 101.
The structure of the trapezoid body is adopted, so that the hybrid power supply system is applied to the railway transportation process to meet the requirement of the turning radius of a train. The structure is of a backpack type and can be suspended at the end of a refrigerated container.
As shown in fig. 3, the housing 101 is provided with a suspension structure, the suspension structure includes a positioning pin 1011 and a handle 1012 for driving the positioning pin 1011 to rotate, a corner fitting is provided on the corresponding refrigerated container, and an operator moves the handle 1012 to make the positioning pin 1011 enter the corner fitting 1021 to be fixed, so that the housing 101 is suspended on the refrigerated container 102.
Of course, the suspension structure is located at the upper part of the housing 101, and fastening bolts may be further provided at the lower part of the housing 101 for fixing the bottom end of the housing 101 to the refrigerated container 102.
The hybrid power supply system is arranged by adopting the shell, so that the shell is convenient to disassemble when the power system is not used.
Next, a hybrid power supply system in the housing 101 will be described. The housing 101 contains a diesel generator set 103, a high voltage lithium battery box 104, a first converter 105 and a control module 106.
The diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104 are respectively connected with a refrigerating unit 1022 in the refrigerated container 102, the first converter 105 is connected between the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104, a first interface is arranged on the first converter 105, and the first interface is used for being connected with an external alternating current power supply to charge the high-voltage lithium battery power supply box 104 through the external alternating current power supply.
The first converter 105 includes: the AD/DC module is used for converting alternating current accessed through the first interface into direct current to charge the high-voltage lithium battery power box 104. The DC/DC module is used for converting the direct current with the first preset voltage generated by the diesel power generation unit 103 into the direct current with the second preset voltage to charge the high-voltage lithium battery power box 104.
The diesel power generation power supply unit 103 includes: a diesel generator set 1031, a generator set controller 1032 and an energy storage oil tank 1033, wherein the diesel generator set 1031 is used for generating electricity by fuel oil, and the generator set controller 1032 controls the starting, stopping and outputting of the diesel generator set 1031.
The high-voltage lithium battery power box 104 includes a high-voltage battery 1041 and a battery management unit 1042. The battery management unit 1042 is used for monitoring the charge condition of the high-voltage battery 1041 and controlling the output of the high-voltage battery 1041.
The reefer container 102 is used to store frozen items and requires a refrigeration unit 1022 and refrigeration controller. The refrigeration controller controls the start and stop of the refrigeration unit 1022.
The generator set controller 1032 and the battery management unit 1042 are both connected to the control module 106, and the control module 106 sends a control instruction to the generator set controller 1032 and the battery management unit 1042.
The control module 106 is specifically configured to control the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104 to alternately and circularly supply power to the refrigeration unit 1022.
In a specific embodiment, the hybrid power supply system further includes: a central monitoring device 107, wherein the central monitoring device 107 may be disposed at a position that can be observed by a user, such as a cab of a transportation vehicle, and the like, but is not limited thereto.
The central monitoring device 107 is in communication connection with the control module 106, and the central monitoring device 107 is configured to monitor whether the battery management unit 1042 has a signal indicating that the electric quantity is insufficient when the high-voltage lithium battery box 104 supplies power to the refrigeration unit 102; if yes, the user is reminded to charge the high-voltage lithium battery power supply box 104 by adopting an external alternating current power supply through the first interface.
In general, the refrigeration unit 102 is powered by the high-voltage lithium battery box 104, and when the power supply amount of the high-voltage lithium battery box 104 is insufficient, the battery management unit 1042 feeds back the low power to the central monitoring device 107. Thereby reminding the user to charge the high-voltage lithium battery power box 104 in time. When an external ac power supply is present around, the external ac power supply is connected to the first interface 1051 of the first converter 105 for charging.
In another case, the high-voltage lithium battery box 104 is provided with a second interface 1043 for connecting to an external dc power supply, and when the central monitoring device 107 monitors that the battery management unit 1042 displays insufficient electric quantity, the central monitoring device reminds the user to charge the high-voltage lithium battery box 104 with the external dc power supply through the second interface.
If the two situations do not exist, that is, when the high-voltage lithium battery power box 104 cannot be charged, the control module 106 controls the diesel generator power supply unit 103 to be turned on to supply power to the refrigeration unit and simultaneously charge the high-voltage lithium battery power box 104.
After the charging of the high-voltage lithium battery power supply box 104 is finished, the control module 106 controls the diesel power generation power supply unit 103 to be turned off, and controls the high-voltage lithium battery power supply box 104 to supply power to the refrigerating unit 1022, so that alternate circulation power supply of the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104 to the refrigerating unit is realized.
The charging and discharging of the high-voltage lithium battery power supply box 104 and the discharging of the diesel power generation power supply unit 103 are both high-voltage lines.
When the diesel power generation unit 103 supplies power to the load (refrigeration unit) and the high-voltage power supply unit 104 at the same time, the control module 106 adjusts the charging power of the high-voltage storage battery 1041 according to the change of the load power, so that the generator unit 1031 operates in the optimal fuel state, the fuel consumption is greatly reduced, and the economy is improved.
An electronic radiator is further arranged in the shell, and the electronic radiator is controlled to be turned on by the control module 106 under the high-temperature condition to forcibly cool the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104. Avoid accidents caused by high temperature.
In winter, heat generated by the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104 can be taken away in the external low-temperature environment, and heat dissipation is not needed; when meeting the environment of extremely low temperature, the electric heater inside the shell 101 is started to heat the diesel power generation power supply unit 103 and the high-voltage lithium battery power supply box 104, so that the normal power supply requirement of the refrigerating unit 102 is guaranteed.
The hybrid power supply system further includes: a low-voltage battery 108, for example a lead-acid battery, which is charged and discharged at low voltage, is located in the housing 101 and is used to supply power, in particular low-voltage power, to the generator set controller 1032, the battery management unit 1042, the control module 106 and the first converter 105.
The hybrid power supply system further includes: the solar power generation panel 109 is located outside, specifically at the top of the casing 101, and is used for absorbing solar energy and converting the solar energy into electric energy; the heat absorption and power generation plate 110 is positioned outside the shell 101 and used for absorbing heat generated by the diesel power generation unit 104 and converting the heat into electric energy; the solar power generation panel 109 and the heat absorption power generation panel 110 are also used to store electric energy in the low-voltage battery 108.
Since these controllers use less power, low voltage power is sufficient.
In an alternative embodiment, the hybrid power supply system further comprises: the second converter 111, specifically an inverter converter, located in the housing 101, the diesel power generation unit 103 and the lithium ion power supply unit 104 are respectively connected to the second converter 111, and the second converter 111 is connected to the refrigeration unit 1022, and is configured to convert a dc power provided by the diesel power generation unit 103 and the high-voltage lithium battery power supply box 104 into an ac power to supply to the refrigeration unit 1022.
In an alternative embodiment, the hybrid power supply system further includes: the temperature sensor, the smoke sensor and the fire-fighting subsystem are arranged in the shell 101; the temperature sensor is used for monitoring the temperature around the diesel power generation power supply unit and the high-voltage lithium battery power supply box; the smoke sensor is used for sensing whether smoke exists in the shell 101; when the temperature monitored by the temperature sensor exceeds the preset value and the smoke sensor senses smoke, the control module 106 controls the fire-fighting subsystem to start fire extinguishing.
The internal placement of the hybrid power supply system is described below. As shown in fig. 4 and 5:
a suspension structure A is arranged on two sides of the upper end of the shell 101, and a first layer of support frame and a second layer of support frame from bottom to top are arranged in the shell 101. Wherein, diesel power generation power supply unit 103 sets up on the second floor support frame, high-pressure lithium cell power box 104 sets up on the first floor support frame, energy storage oil tank 1033 among the diesel power generation power supply unit 103 sets up between casing bottom and first floor support frame, this second converter 111 and low voltage battery 108 set up respectively in diesel power generation power supply unit 103 both sides, this control module 106 also sets up on the second floor support frame, the structure in other casings does not do the injecion here, all can place in the vacant position of casing 101.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the invention provides a hybrid power supply system, comprising: the refrigeration container comprises a shell, wherein a suspension structure is arranged on the shell and is used for being installed on a corner piece of the refrigeration container, so that the shell is fixed to the outer side of the refrigeration container, and the refrigeration container is applied to railway transportation or ocean transportation; the refrigerator comprises a diesel power generation power supply unit, a high-voltage lithium battery power supply box, a first converter and a control module, wherein the diesel power generation power supply unit, the high-voltage lithium battery power supply box, the first converter and the control module are positioned in a shell, the diesel power generation power supply unit and the high-voltage lithium battery power supply box are both used for being connected with a refrigerating unit in a refrigerated container year, a first changer is connected between the diesel power generation power supply unit and the high-voltage lithium battery power supply box, the first converter is provided with a first interface, and the first interface charges the high-voltage lithium battery power supply box through an external alternating current power supply; the control module is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit, so that the power supply system is independent of the setting of the refrigerated container, two power supply units are adopted in the power supply system to alternately and circularly supply power to the refrigerating unit, and the transportation reliability of the refrigerating unit is improved.
Example two
Based on the same inventive concept, an embodiment of the present invention further provides a refrigerated transport device, which is applied to railway transportation or marine transportation, as shown in fig. 6, and includes:
a refrigerated container 601, in which a refrigeration unit is arranged in the refrigerated container 601;
a hybrid power supply system 602, as in the first embodiment, is hung at the end of the refrigerated container 601 for supplying power to the refrigeration unit.
The refrigerating compartment 601 is provided therein with a refrigeration controller in addition to the refrigerating unit. The hybrid power supply system 602 is as described in the first embodiment, and will not be described in detail herein.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
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, it is intended that the present invention also encompass such modifications and variations.
Claims (10)
1. A hybrid power supply system, comprising:
the refrigeration container comprises a shell, wherein a suspension structure is arranged on the shell and is used for being installed on a corner piece of the refrigeration container, so that the shell is fixed on the outer side of the refrigeration container, and the refrigeration container is applied to railway transportation or ocean transportation;
the diesel power generation power supply unit, the high-voltage lithium battery power supply box, the first converter and the control module are positioned in the shell;
the diesel power generation power supply unit and the high-voltage lithium battery power supply box are respectively connected with a refrigerating unit in the refrigerated container; the first converter is connected between the diesel power generation power supply unit and the high-voltage lithium battery power supply box, and is provided with a first interface which is used for connecting an external alternating current power supply so as to charge the high-voltage lithium battery power supply box through the external alternating current power supply;
and the control module is used for controlling the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit.
2. A hybrid power supply system according to claim 1, wherein the diesel-electric power generating unit comprises: the system comprises a diesel generator set, a generator set controller and an energy storage oil tank;
the high voltage lithium battery power box includes: high voltage lithium battery and battery management unit.
3. A hybrid power supply system as set forth in claim 2, further comprising:
and the low-voltage storage battery is positioned in the shell and used for supplying power to the generator set controller, the battery management unit, the control module and the first converter.
4. A hybrid power supply system as set forth in claim 3, further comprising:
the solar power generation panel is positioned outside the shell, is connected with the low-voltage storage battery, and is used for absorbing solar energy, converting the solar energy into electric energy and storing the electric energy into the low-voltage storage battery;
and the heat absorption power generation plate is positioned outside the shell, is connected with the low-voltage storage battery, and is used for absorbing heat generated by the diesel power generation power supply unit, converting the heat into electric energy and storing the electric energy into the low-voltage storage battery.
5. A hybrid power supply system as set forth in claim 2, further comprising:
the central monitoring device is in communication connection with the control module;
the central monitoring device is used for monitoring whether the battery management unit has a signal of insufficient electric quantity when the high-voltage lithium battery power box supplies power to the refrigerating unit; and if so, reminding a user to charge the high-voltage lithium battery power supply box by adopting an external alternating current power supply through the first interface.
6. A hybrid power supply system as set forth in claim 2 wherein said control module is configured to:
when the high-voltage lithium battery power box is not charged for more than the preset time, controlling the diesel power generation power supply unit to be started to supply power to the refrigerating unit and charge the high-voltage lithium battery power box; after the high-voltage lithium battery power box is charged, the control module controls the diesel power generation power supply unit to be closed and controls the high-voltage lithium battery power supply box to supply power to the refrigerating unit, so that the diesel power generation power supply unit and the high-voltage lithium battery power supply box to alternately and circularly supply power to the refrigerating unit.
7. The hybrid power supply system as claimed in claim 5, wherein the high voltage lithium battery box is provided with a second interface for connecting to an external dc power supply, and when the central monitoring device monitors that the battery management unit displays insufficient power, the central monitoring device prompts a user to charge the high voltage lithium battery box with the external dc power supply through the second interface.
8. The hybrid power supply system of claim 1, further comprising:
and the second converter is positioned in the shell, the diesel power generation power supply unit and the high-voltage lithium battery power supply box are respectively connected with the second converter, and the second converter is connected with the refrigerating unit and used for converting a direct-current power supply provided by the diesel power generation power supply unit or the high-voltage lithium battery power supply box into an alternating-current power supply.
9. The hybrid power supply system of claim 1, further comprising:
the temperature sensor, the smoke sensor and the fire-fighting subsystem are arranged in the shell;
the temperature sensor is used for monitoring the temperature around the diesel power generation power supply unit and the high-voltage lithium battery power supply box;
the smoke sensor is used for sensing whether smoke exists in the shell;
and the control module controls the fire-fighting subsystem to start fire extinguishing when the temperature monitored by the temperature sensor exceeds a preset value and the smoke sensor senses smoke.
10. A refrigerated transport apparatus for use in rail or marine transportation, comprising:
the refrigeration container is internally provided with a refrigeration unit;
the hybrid power supply system as claimed in any one of claims 1 to 9, hung at an end of the refrigerated container, for supplying power to the refrigeration unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111464934.7A CN114285146B (en) | 2021-11-24 | 2021-11-24 | Hybrid power supply system and refrigerated transport equipment |
| PCT/CN2022/129077 WO2023093473A1 (en) | 2021-11-24 | 2022-11-01 | Hybrid power supply system and refrigeration transportation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111464934.7A CN114285146B (en) | 2021-11-24 | 2021-11-24 | Hybrid power supply system and refrigerated transport equipment |
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| CN114285146B CN114285146B (en) | 2024-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023093473A1 (en) * | 2021-11-24 | 2023-06-01 | 中车长江运输设备集团有限公司 | Hybrid power supply system and refrigeration transportation device |
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| CN114285146B (en) * | 2021-11-24 | 2024-08-27 | 中车长江运输设备集团有限公司 | Hybrid power supply system and refrigerated transport equipment |
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- 2021-11-24 CN CN202111464934.7A patent/CN114285146B/en active Active
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| WO2023093473A1 (en) | 2023-06-01 |
| CN114285146B (en) | 2024-08-27 |
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