CN109104139B - Military multifunctional mobile power supply vehicle - Google Patents
Military multifunctional mobile power supply vehicle Download PDFInfo
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- CN109104139B CN109104139B CN201811130304.4A CN201811130304A CN109104139B CN 109104139 B CN109104139 B CN 109104139B CN 201811130304 A CN201811130304 A CN 201811130304A CN 109104139 B CN109104139 B CN 109104139B
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- 238000004146 energy storage Methods 0.000 claims abstract description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 40
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 25
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000006855 networking Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 14
- 230000003137 locomotive effect Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000035622 drinking Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000003287 bathing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/40—Mobile PV generator systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/52—Mobile units, e.g. for work sites
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/20—Collapsible or foldable PV modules
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a military multifunctional mobile power supply vehicle, which comprises a tractor and a trailer mobile power station; the top of the traction vehicle is provided with a foldable photovoltaic panel assembly, and the mobile power station of the traction vehicle comprises a power supply system consisting of a combiner, a system controller, a battery protection board, an energy storage lithium battery pack, a charging and control unit, an access switching unit, a bidirectional inverter and an outlet switching unit; a pantograph is arranged at the top of the trailer mobile power station and is used for contacting with a power transmission line in a railway traction power supply system to obtain power; the external part of the trailer mobile power station is provided with an outlet power terminal for taking power from a mains supply grid or supplying power to a power utilization load; the invention adopts the lithium battery to store energy, has various charging modes such as photovoltaic power generation, commercial power charging, on-line charging of a railway traction power supply system and the like, can output various power sources such as AC380V, AC220V, DC110V, DC V, DC24V and the like, and provides powerful guarantee for the effective use of power utilization loads of troops.
Description
Technical Field
The invention relates to the technical field of mobile power supply vehicles, in particular to a military multifunctional mobile power supply vehicle.
Background
With the development of national economy and science and technology, the mobile power supply vehicle plays an important role in the economic construction of various fields. The mobile power supply vehicle has the characteristics of maneuver and flexibility, plays a special function in special occasions requiring power supply urgently, such as emergency, disaster, emergency and the like, and is incomparable with other power supply modes; the mobile power supply vehicle can carry some personnel and operation equipment besides providing electric energy, so as to complete various operation demands on site.
At present, a mobile power supply multipurpose vehicle-mounted power station mainly comprises complete equipment consisting of generators, and many enterprises utilize vans to modify. The diesel generator set has large mass, large pollution and particularly large noise, and becomes an important factor for restricting the application of the mobile power supply vehicle. In particular to a mobile power supply vehicle used by armies, a diesel generator set is not suitable for the armies, because the noise is large, the targets are easy to expose, and the pollution is greatly limited by environmental protection.
Currently, the technical development of lithium batteries tends to be mature, and the energy storage mode is possible for the mobile power supply vehicle. The energy storage power supply is also provided in a plurality of modes, such as the mains supply adopting a fixed power supply, the photovoltaic power generation suitable for mobile charging and the traction power supply of an electric locomotive, and the power supply by a diesel generator set can be completely abandoned.
The portable power source vehicle adopting the energy storage mode has very wide application range and can be used for army field camping illumination, heating, refrigeration, bath, communication, missile launching, engineering construction, marching cooking and drinking, military camping emergency power supply, direct current power supply for substation rush repair and the like when being used for army, so the multifunctional portable power source vehicle becomes a necessary tool for army battle and should be used.
Disclosure of Invention
The invention provides a military multifunctional mobile power supply vehicle which adopts a lithium battery for energy storage, has multiple charging modes such as photovoltaic power generation, commercial power charging, on-line charging of a railway traction power supply system and the like, has the functions of mobile charging and quick charging, can output multiple power supplies such as AC380V, AC220V, DC110V, DC V, DC24V and the like, and can realize continuous and stable power supply, thereby providing powerful guarantee for effective use of various power utilization loads of armies.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a military multifunctional mobile power supply vehicle comprises a tractor and a trailer mobile power station; the foldable photovoltaic panel assembly is arranged at the top of the traction vehicle, a photovoltaic panel is arranged in the foldable photovoltaic panel assembly, and the photovoltaic panel has functions of folding, horizontal rotation and pitching adjustment; the trailer mobile power station comprises a power supply system which consists of a combiner, a system controller, a battery protection board, an energy storage lithium battery pack, a charging and control unit, an access switching unit, a bidirectional inverter and an outlet switching unit; the current output end of the photovoltaic panel is connected with the combiner through a transmission cable; one path of control point of the access switching unit is sequentially connected with the bidirectional inverter and the outlet switching unit, and the outlet switching unit is used for being connected with a power transmission line, a commercial power network and an electric load in the railway traction power supply system; the system controller is respectively connected with the photovoltaic panel assembly, the combiner, the battery protection board, the charging and control unit, the access switching unit, the bidirectional inverter and the outlet switching unit; the charging and control unit is respectively connected with the access switching unit and the energy storage lithium battery pack, and the energy storage lithium battery pack is connected with the battery protection plate; the top of the trailer mobile power station is provided with a pantograph for contacting with a power transmission line in a railway traction power supply system to obtain power; the external part of the trailer mobile power station is provided with an outlet power terminal for taking power from a mains supply grid or supplying power to a power utilization load; a magnetic soft contact line is arranged between the trailer mobile power station and the track and is used for grounding protection;
the access switching unit consists of an access operation controller and electronic switches QF1, QF2 and QF 3; the access operation controller controls the electronic switches QF1, QF2 and QF3 to be opened and closed, and when the QF1 and the QF2 are closed and the QF3 is opened, the control joints QF11 and QF12 are respectively communicated with the control joints QF21 and QF 22; when QF1 is opened and QF2 and QF3 are closed, the control joints QF31 and QF32 are respectively communicated with the control joints QF21 and QF 22;
the outlet switching unit consists of an outlet operation controller and electronic switches QF4, QF5, QF6, QF7, QF8, QF9 and QF 10; the outlet end operation controller controls the opening and closing of the electronic switches QF 4-QF 10; in the outlet switching unit, when the QF4 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joint A, B, C, and the power supply system receives off-peak electricity energy storage of the commercial power grid; when QF6 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joints QA, QB and QC, and the power supply system takes power from the railway traction power supply system; when QF5 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joints YA, YB and YC, and the power supply system outputs 380V three-phase four-wire alternating current; when QF7 is closed and other electronic switches are opened, the control contact QF44 is communicated with the control contact YN, and the power supply system outputs 220V alternating current; when QF8 is closed and other electronic switches are opened, 110V direct current is output through the energy storage lithium battery pack; when QF9 is closed and other electronic switches are opened, 48V direct current is output through the energy storage lithium battery pack; when the QF10 is closed and other electronic switches are opened, 24V direct current is output through the energy storage lithium battery pack.
The foldable photovoltaic panel assembly consists of an upper photovoltaic panel, a lower photovoltaic panel, a photovoltaic panel supporting column, a photovoltaic panel upper rotating shaft, a photovoltaic panel lower rotating shaft and a photovoltaic panel rotating mechanism; the upper photovoltaic plate and the lower photovoltaic plate are hinged through a rotating shaft on the photovoltaic plate, and the upper photovoltaic plate can rotate around the rotating shaft on the photovoltaic plate and then form a photovoltaic plate with the lower photovoltaic plate at an angle of 180 degrees, or are folded together with the lower photovoltaic plate in parallel; the hinge support of the rotating shaft on the photovoltaic panel is fixed on the rotating shaft support plate, the rotating shaft support plate is hinged with the upper end of the photovoltaic panel support column, and a photovoltaic panel pitching manual adjusting knob is arranged at the hinged position and used for adjusting the pitching angle of the photovoltaic panel; the lower end of the photovoltaic panel supporting column is hinged with a photovoltaic panel rotating mechanism, and the photovoltaic panel can rotate in the horizontal direction under the drive of the photovoltaic panel rotating mechanism; the photovoltaic panel rotation mechanism is fixedly connected with the tractor body through a photovoltaic panel supporting plate; when the foldable photovoltaic panel assembly is integrally folded, the upper photovoltaic panel, the lower photovoltaic panel and the photovoltaic panel supporting columns are all in a horizontal state.
The photovoltaic panel slewing mechanism adopts a worm and gear transmission mechanism, a worm is a driving end, a worm wheel horizontally rotates, and a photovoltaic panel supporting column is arranged on the worm wheel.
The current collector is internally provided with a direct current fuse, a current sensor, a direct current breaker and a network data collector, wherein the direct current fuse and the current sensor are sequentially connected in series on an anode wire and a cathode wire of a certain battery string, and a current signal output end of the current sensor is connected with an input end of the network data collector; the network data acquisition device receives the multipath current signals and is in communication connection with the system controller; the anode lead and the cathode lead are respectively provided with a direct current breaker and are grounded through a lightning arrester.
The bidirectional inverter comprises a voltage conversion circuit, an inverter, a filter and a bidirectional inverter controller, wherein an input signal of the voltage conversion circuit is taken from direct current output of control joints QF21 and QF22 of an access switching unit, when a contactor K is closed, the direct current signal forms a pulsating square wave through a capacitor C1, an inductor L1 and a switch tube T7, the inverter formed by the switch tubes T1, T2, T3, T4, T5, T6 and the capacitor C2 is converted into three-phase alternating current, and the three-phase alternating current is filtered by the filter formed by the inductors L2 and L3 and the capacitor C3 and then is output to the access switching unit through output ends QF41, QF42 and QF 43.
The system controller comprises an all-solid-state microcomputer, a touch display screen, an alarm unit and an NB-LOT narrowband Internet of things, wherein the all-solid-state microcomputer is respectively connected with the touch display screen, the alarm unit and the NB-LOT narrowband Internet of things, and is respectively connected with a photovoltaic panel tracking control unit, a combiner current monitoring unit, an access switching unit, a bidirectional inverter, a charging and control unit, a battery protection board and an outlet switching unit through Profibus-DP communication cables; the photovoltaic panel tracking control unit comprises a solar tracking sensor arranged on the photovoltaic panel and a driving device in the photovoltaic panel slewing mechanism; the current monitoring unit of the combiner comprises current sensors and a network data collector.
The charging and control unit consists of an embedded microcomputer, a switching tube T8, a switching tube T9, a filter circuit consisting of an inductor L4 and a capacitor C5 and a filter capacitor C4; the control terminal is used for converting direct current signals output by control joints QF31 and QF32 of the access switching unit into square waves to charge the energy storage lithium battery pack; the embedded microcomputer has networking function and switching value and analog input and output function.
Compared with the prior art, the invention has the beneficial effects that:
1) The lithium battery is used for storing energy, so that the defects of heavy weight, heavy pollution and heavy noise existing in the conventional power generation by adopting the diesel generator set are avoided, and the lithium battery is particularly suitable for army combat and army combat application;
2) The system can adopt various charging modes such as photovoltaic power generation, commercial power charging, online charging of a railway traction power supply system and the like, and various power supplies are provided for convenient charging at any time; meanwhile, various power supplies such as AC380V, AC220V, DC110V, DC V, DC24V and the like can be output, and different application requirements such as army field camping lighting, heating, refrigerating, bathing, communication, missile launching, engineering construction, marching cooking and drinking, military camping emergency power supply, direct current power supply for emergency repair of a transformer substation and the like can be met;
3) Photovoltaic power generation is directly adopted when sunlight is good, energy is stored at any time when electricity quantity is left, and electricity is stored in low-valley period mode of the commercial power, so that the aims of energy conservation and environmental protection are achieved;
4) The modern power electronic technology and the modern information technology are combined, and advanced technologies such as a multipath network data collector, a rapid charging circuit, a bidirectional inverter (which can be used for rectification and inversion), an all-solid-state microcomputer, wireless WiFi, NB-LOT narrowband Internet of things and the like are integrated, so that informatization and intelligent control are realized.
Drawings
Fig. 1 is a schematic view of the appearance of a multifunctional mobile power supply vehicle for military use according to the present invention.
Fig. 2 is a schematic structural view (folded state) of the foldable photovoltaic panel assembly of the present invention.
Fig. 3 is a schematic diagram of the power supply system according to the present invention.
Fig. 4 is a schematic diagram of the access switching unit according to the present invention.
Fig. 5 is a schematic diagram of the components of the output switching unit according to the present invention.
Fig. 6 is a schematic diagram of the composition and current detection of the current collector according to the present invention.
Fig. 7 is a schematic diagram of a network data collector in the combiner according to the present invention.
Fig. 8 is a schematic diagram of a bi-directional inverter according to the present invention.
Fig. 9 is a schematic diagram of a system controller according to the present invention.
Fig. 10 is a schematic diagram of a charging and control unit according to the present invention.
Fig. 11 is a schematic diagram of an AT power supply system in an electric locomotive traction power supply system.
Fig. 12 is a schematic diagram two of an AT power supply system in an electric locomotive traction power supply system.
FIG. 13 is a schematic diagram of a multi-functional mobile power supply vehicle for military use in accordance with the present invention when charging at an electric locomotive track switch.
FIG. 14 is a schematic diagram of a multi-functional mobile power supply vehicle for military use according to the present invention while moving on an electric locomotive track for charging.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1, the multifunctional military mobile power supply vehicle comprises a tractor 1 and a trailer mobile power station 7; the top of the tractor 1 is provided with a foldable photovoltaic panel assembly, a photovoltaic panel is arranged in the foldable photovoltaic panel assembly, and the photovoltaic panel has functions of folding, horizontal rotation and pitching adjustment; the trailer mobile power station 7 comprises a power supply system (shown in fig. 3) consisting of a combiner, a system controller, a battery protection board, an energy storage lithium battery pack, a charging and control unit, an access switching unit, a bidirectional inverter and an outlet switching unit; the current output end of the photovoltaic panel is connected with the combiner through a transmission cable 4; one path of control point of the access switching unit is sequentially connected with the bidirectional inverter and the outlet switching unit, and the outlet switching unit is used for being connected with a power transmission line, a commercial power network and an electric load in the railway traction power supply system; the system controller is respectively connected with the photovoltaic panel assembly, the combiner, the battery protection board, the charging and control unit, the access switching unit, the bidirectional inverter and the outlet switching unit; the charging and control unit is respectively connected with the access switching unit and the energy storage lithium battery pack, and the energy storage lithium battery pack is connected with the battery protection plate; the top of the trailer mobile power station 7 is provided with a pantograph 6 which is used for contacting with a power transmission line in a railway traction power supply system to obtain power; the external part of the trailer mobile power station 7 is provided with an outlet power terminal 5 for taking power from a mains supply grid or supplying power to a power utilization load; a magnetic soft contact line 18 is arranged between the trailer mobile power station 7 and the track and is used for grounding protection;
as shown in fig. 4, the access switching unit is composed of an access operation controller and electronic switches QF1, QF2 and QF 3; the access operation controller controls the electronic switches QF1, QF2 and QF3 to be opened and closed, and when the QF1 and the QF2 are closed and the QF3 is opened, the control joints QF11 and QF12 are respectively communicated with the control joints QF21 and QF 22; when QF1 is opened and QF2 and QF3 are closed, the control joints QF31 and QF32 are respectively communicated with the control joints QF21 and QF 22;
as shown in fig. 5, the output switching unit is composed of an output operation controller, and electronic switches QF4, QF5, QF6, QF7, QF8, QF9 and QF 10; the outlet end operation controller controls the opening and closing of the electronic switches QF 4-QF 10; in the outlet switching unit, when the QF4 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joint A, B, C, and the power supply system receives off-peak electricity energy storage of the commercial power grid; when QF6 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joints QA, QB and QC, and the power supply system takes power from the railway traction power supply system; when QF5 is closed and other electronic switches are opened, the control joints QF41, QF42 and QF43 are respectively communicated with the control joints YA, YB and YC, and the power supply system outputs 380V three-phase four-wire alternating current; when QF7 is closed and other electronic switches are opened, the control contact QF44 is communicated with the control contact YN, and the power supply system outputs 220V alternating current; when QF8 is closed and other electronic switches are opened, 110V direct current is output through the energy storage lithium battery pack; when QF9 is closed and other electronic switches are opened, 48V direct current is output through the energy storage lithium battery pack; when the QF10 is closed and other electronic switches are opened, 24V direct current is output through the energy storage lithium battery pack.
As shown in fig. 1 and 2, the foldable photovoltaic panel assembly is composed of an upper photovoltaic panel 11, a lower photovoltaic panel 16, a photovoltaic panel supporting column 14, a photovoltaic panel upper rotating shaft 12, a photovoltaic panel lower rotating shaft 15 and a photovoltaic panel rotating mechanism 2; the upper photovoltaic plate 11 and the lower photovoltaic plate 16 are hinged through a photovoltaic plate upper rotating shaft 12, and the upper photovoltaic plate 11 can rotate around the photovoltaic plate upper rotating shaft 12 and then form a photovoltaic plate with the lower photovoltaic plate 16 at an angle of 180 degrees, or are folded together in parallel with the lower photovoltaic plate 16; the hinged support of the rotating shaft 12 on the photovoltaic panel is fixed on a rotating shaft support plate 13, the rotating shaft support plate 13 is hinged with the upper end of a photovoltaic panel support column 14, and a photovoltaic panel pitching manual adjusting knob 9 is arranged at the hinged position and used for adjusting the pitching angle of the photovoltaic panel; the lower end of the photovoltaic panel supporting column 14 is hinged with the photovoltaic panel rotating mechanism 2, and the photovoltaic panel can rotate in the horizontal direction under the drive of the photovoltaic panel rotating mechanism 2; the photovoltaic panel rotation mechanism 2 is fixedly connected with the body of the tractor 1 through a photovoltaic panel supporting plate 8; when the foldable photovoltaic panel assembly is folded as a whole, the upper photovoltaic panel 11, the lower photovoltaic panel 16 and the photovoltaic panel support column 14 are all in a horizontal state.
The photovoltaic panel slewing mechanism 2 adopts a worm and gear transmission mechanism, a worm is a driving end, a worm wheel horizontally rotates, and a photovoltaic panel supporting column 14 is arranged on the worm wheel.
As shown in fig. 6, the current collector is provided with a direct current fuse, a current sensor, a direct current breaker and a network data collector WSCQ (as shown in fig. 7), the direct current fuse and the current sensor are sequentially connected in series on an anode wire and a cathode wire of a certain battery string, and a current signal output end of the current sensor is connected with an input end of the network data collector WSCQ; the network data collector WSCQ receives the multipath current signals and is in communication connection with the system controller; the anode lead and the cathode lead are respectively provided with a direct current breaker and are grounded through a lightning arrester.
As shown in fig. 8, the bidirectional inverter includes a voltage conversion circuit, an inverter, a filter and a bidirectional inverter controller, wherein an input signal of the voltage conversion circuit is taken from a dc output of control contacts QF21 and QF22 connected to the switching unit, and when the contactor K is closed, the dc signal forms a pulsating square wave through a capacitor C1, an inductor L1 and a switching tube T7, the inverter formed by the switching tubes T1, T2, T3, T4, T5, T6 and the capacitor C2 is converted into a three-phase ac, and the three-phase ac is filtered by the filter formed by the inductors L2, L3 and the capacitor C3 and then is output to the switching unit through output terminals QF41, QF42 and QF 43.
As shown in fig. 9, the system controller includes an all-solid-state microcomputer, a touch display screen, an alarm unit and an NB-LOT narrowband internet of things, wherein the all-solid-state microcomputer is respectively connected with the touch display screen, the alarm unit and the NB-LOT narrowband internet of things, and is respectively connected with a photovoltaic panel tracking control unit, a combiner current monitoring unit, an access switching unit, a bidirectional inverter, a charging and control unit, a battery protection board and an outlet switching unit through Profibus-DP communication cables; the photovoltaic panel tracking control unit comprises a solar tracking sensor arranged on the photovoltaic panel and a driving device in the photovoltaic panel slewing mechanism 2; the combiner current monitoring unit includes respective current sensors therein and a network data collector WSCQ.
As shown in fig. 10, the charging and control unit is composed of an embedded microcomputer, a switching tube T8, a switching tube T9, a filter circuit composed of an inductor L4 and a capacitor C5, and a filter capacitor C4; the control terminal is used for converting direct current signals output by control joints QF31 and QF32 of the access switching unit into square waves to charge the energy storage lithium battery pack; the embedded microcomputer has networking function and switching value and analog input and output function.
The following examples are given by way of illustration of detailed embodiments and specific procedures based on the technical scheme of the present invention, but the scope of the present invention is not limited to the following examples. The methods used in the examples described below are conventional methods unless otherwise specified.
[ example ]
In the embodiment, a tractor 1 and a trailer mobile power station 7 of a military multifunctional mobile power supply vehicle are connected through a movable connector 3; the energy storage lithium battery pack consists of a plurality of lithium iron phosphate batteries, has a rapid charging function, is provided with a temperature control system for low-temperature heating and high-temperature heat dissipation, and is protected by a battery protection board.
The photovoltaic panel is used for converting light energy into electric energy (direct current); the combiner is used for connecting the outputs of the photovoltaic panels in parallel and outputting one path of output, so as to play a role in combining the outputs; the bi-directional inverter is used for converting direct current generated by the photovoltaic panel into alternating current, and has rectification function.
The all-solid-state microcomputer adopted in the system controller has WiFi wireless internet function and is provided with a plurality of interfaces including RS-485 and USB.
In the foldable photovoltaic panel assembly, the upper photovoltaic panel 11 and the lower photovoltaic panel 16 are in a folded state during transportation, and the upper photovoltaic panel 11 is rotated around the upper photovoltaic panel rotating shaft 12 through the photovoltaic panel wrenches 10 arranged on two sides of the upper photovoltaic panel 11 during operation, so that the working surfaces of the upper photovoltaic panel 11 and the lower photovoltaic panel 16 form a plane. The pitching angle of the photovoltaic panel is manually adjusted through a photovoltaic panel pitching manual adjusting knob 9. The photovoltaic panel slewing mechanism 2 adopts a worm and gear transmission mechanism, and a worm is driven to rotate by a stepping motor 17 and drives a worm wheel to horizontally rotate; the solar tracking sensor is arranged on the photovoltaic panel, the current position of the photovoltaic panel and the position of sunlight can be automatically detected, the horizontal rotation angle of the photovoltaic panel is adjusted in real time through the control of the stepping motor 17 by the system controller, and the working face of the photovoltaic panel is always vertical to the direction of the sunlight through the adjustment of the pitching angle and the horizontal position.
IN this embodiment, the network data collector WSCQ IN the bus is a multifunctional data collector, which is formed by sequentially connecting a plurality of input units SR, a universal conversion unit BH, an isolated programmable amplification unit FD and an a/D conversion-embedded microcomputer QW, after 8 paths of signals IN 1-IN 8 are sent into the plurality of input units SR IN a time-sharing manner, the signals are sequentially processed by the universal conversion unit BH, the isolated programmable amplification unit FD and the a/D conversion-embedded microcomputer QW, the a/D conversion-embedded microcomputer QW is provided with a field bus interface and is IN communication connection with a system controller, and each strobe signal of the plurality of input units SR, the universal conversion unit BH and the isolated programmable amplification unit FD is from the a/D conversion-embedded microcomputer QW, and the a/D conversion-embedded microcomputer QW controls the operation of the whole network data collector WSCQ according to the instruction of the system controller. The network data collector WSCQ collects 8 paths of analog signals, the processing process comprises data conversion, isolation amplification, A/D conversion and data collection control management, and the network data collector WSCQ can collect data in a time-sharing manner, and has the advantages of high precision, small volume and low cost. In this embodiment, every 2 photovoltaic cells are grouped into 8 groups, corresponding to 8 input terminals of the network data collector WSCQ, and the network data collector WSCQ is powered by a separate DC/DC transformer.
As shown in fig. 7, the latches 1 and 3 in the network data collector are gated to low level operation, and the latch 2 is gated to high level operation. The analog signal output by the FD of the isolation programmable amplification unit is processed by the A/D conversion-embedded microcomputer, then is sent to the system controller through the data bus, is sent to the field WiFi or NB-LOT narrowband Internet of things for transmission through WiFi, and finally is sent to the cloud service platform for decision making of the total control room.
The multi-input unit SR consists of three single 8-channel digitally controlled analog electronic switches. The multipath input unit SR corresponds to three output ends A1, A2 and A3 for output respectively, and three output ends of the universal conversion unit BH are B1, B2 and B3 respectively.
As shown in fig. 4, the electronic switches QF1, QF2 and QF3 are controlled to be opened and closed by the access operation controller in the access switching unit, and when the QF1 and QF2 are closed and the QF3 is opened, the control joints QF11 and QF12 are respectively communicated with the control joints QF21 and QF 22; when QF1 is opened, QF2 and QF3 are closed, the control joints QF31 and QF32 are respectively communicated with the control joints QF21 and QF22, so that the switching function of charging the energy storage lithium battery pack by the photovoltaic cell or charging the energy storage lithium battery pack by the off-peak electricity of the mains supply grid or the railway traction power supply system is realized.
The invention discloses a method for charging a military multifunctional mobile power supply vehicle by adopting a railway traction power supply system, which is an innovation of the invention, and a high-speed rail can run up by relying on the railway traction power supply system to provide power for a high-speed train. The traction power supply mode of the electrified railway mainly comprises the following steps: BT (current transformer) power supply mode, AT (auto transformer) power supply mode, and TR direct power supply mode.
The locomotive load of electrified railways such as high-speed rail in China mainly adopts an AC-DC-AC type motor train unit, and the motor train unit of the type has high power and high running density, so that the electromagnetic interference on a communication line is large. In theory, the direct supply mode with a return line and the AT power supply mode can meet the requirements of high-speed rails. However, compared with the direct supply mode, the AT power supply mode has smaller influence on the communication line and has stronger power supply capacity, so that the novel high-speed rail in China mainly adopts the AT power supply mode. A typical AT power system is shown in fig. 11.
As shown in fig. 12, the railway traction power supply system adopting the AT power supply system mainly comprises a traction substation (substation), autotransformers AT (AT 1 to ATn), a contact net T, a feedback line F, a rail R and a high-speed train. The basic principle is as follows: the traction substation provides power for the whole railway traction power supply system, current I (voltage 27.5 kV) flows out of the traction substation, provides electric energy for a high-speed train through a contact net T, and then flows back to the traction substation (substation) through a feedback line F. The railway traction power supply system provides power for the high-speed rail, the high-speed rail obtains power by means of the power, and the basic principle is as follows: the high-speed train is contacted with the contact net T through a pantograph to take high-voltage alternating current back into the train, then the high-speed train is reduced in voltage through a transformer and converted into direct current through a four-quadrant rectifier, and then the direct current is converted into three-phase alternating current capable of modulating amplitude and frequency through an inverter, and the three-phase alternating current is input into a three-phase asynchronous/synchronous traction motor, and the wheels are driven to operate through a transmission system.
The working process of the military mobile power supply vehicle is as follows:
1. photovoltaic charging energy storage: the military multifunctional mobile power supply vehicle is stopped at a certain fixed position, the photovoltaic panel supporting column 14 is erected, the upper photovoltaic panel 11 is outwards opened through the photovoltaic panel wrench 10 to form a plane with the lower photovoltaic panel 16, then the working surface of the photovoltaic panel is nearly vertical to sunlight by adjusting the photovoltaic panel pitching manual adjusting knob 9 and the photovoltaic panel slewing mechanism 2, and the photovoltaic panel supporting column 14 are locked and fixed after adjustment. The current position of the photovoltaic panel and the position of sunlight are automatically detected by the sun tracking sensor arranged on the photovoltaic panel, and the horizontal rotation of the photovoltaic panel is regulated by the stepping motor 17 under the control of the system controller, so that the working surface of the photovoltaic panel always faces the direction of sunlight. The photovoltaic panel sends the obtained direct current into the access switching unit through the current collector, or directly enters the bidirectional inverter to convert the direct current into alternating current according to the requirement, and then the alternating current is output through the output switching unit for use; or the direct current can be directly output for use after being sent to the energy storage lithium battery pack for charging by the access switching unit.
2. Charging and storing energy by using a mains supply: the utility power grid charges the energy storage lithium battery pack through the outlet switching unit, the bidirectional inverter and the access switching unit, and charges and stores energy in the valley time.
3. Railway traction power supply system charging energy storage:
fig. 13 is a schematic diagram of a military multi-function mobile power supply vehicle performing a charging operation at a railroad switch. The pantograph 6 above the trailer mobile power station 7 is supported to be in contact with a contact line T in a railway traction power supply system for receiving electricity, and after current sequentially flows through an outlet end switching unit, a bidirectional inverter, an access switching unit and a charging and control unit, the energy storage lithium battery pack is charged. In the figure, IT is the current flowing from the traction substation, IF is the current flowing back to the traction substation, and a loop is formed between the two.
Fig. 14 is a schematic diagram of the charging operation performed by the military multifunctional mobile power supply vehicle during the traveling process on the railway. The whole military multifunctional mobile power supply vehicle is pulled by a railway freight flat car 19 to run along a rail R, in the process, a pantograph 6 above a trailer mobile power station 7 is supported to be in contact with a contact line T in a railway traction power supply system to receive power, and after current sequentially flows through an outlet end switching unit, a bidirectional inverter, an access switching unit and a charging and control unit, the energy storage lithium battery pack is charged.
4. Supplying power to the electrical load: under the control of the system controller, the electric energy stored in the energy storage lithium battery pack sequentially passes through the charging and control unit, the access switching unit, the bidirectional inverter and the outlet switching unit, and is led to an electric load for use by a corresponding outgoing line through an outlet power terminal 5 arranged outside the trailer mobile power station 7.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. A military multifunctional mobile power supply vehicle comprises a tractor and a trailer mobile power station; the traction vehicle is characterized in that a foldable photovoltaic panel assembly is arranged at the top of the traction vehicle, a photovoltaic panel is arranged in the foldable photovoltaic panel assembly, and the photovoltaic panel has functions of folding, horizontal rotation and pitching adjustment; the trailer mobile power station comprises a power supply system which consists of a combiner, a system controller, a battery protection board, an energy storage lithium battery pack, a charging and control unit, an access switching unit, a bidirectional inverter and an outlet switching unit; the current output end of the photovoltaic panel is connected with the combiner through a transmission cable; one path of control point of the access switching unit is sequentially connected with the bidirectional inverter and the outlet switching unit, and the outlet switching unit is used for being connected with a power transmission line, a commercial power network and an electric load in the railway traction power supply system; the system controller is respectively connected with the photovoltaic panel assembly, the combiner, the battery protection board, the charging and control unit, the access switching unit, the bidirectional inverter and the outlet switching unit; the charging and control unit is respectively connected with the access switching unit and the energy storage lithium battery pack, and the energy storage lithium battery pack is connected with the battery protection plate; the top of the trailer mobile power station is provided with a pantograph for contacting with a power transmission line in a railway traction power supply system to obtain power; the external part of the trailer mobile power station is provided with an outlet power terminal for taking power from a mains supply grid or supplying power to a power utilization load; a magnetic soft contact line is arranged between the trailer mobile power station and the track and is used for grounding protection; the output power supply comprises AC380V, AC220V, DC110V, DC V, DC V;
the access switching unit consists of an access operation controller and electronic switches QF1, QF2 and QF 3; the access operation controller controls the electronic switches QF1, QF2 and QF3 to be opened and closed, and when the QF1 and the QF2 are closed and the QF3 is opened, the control joints QF11 and QF12 are respectively communicated with the control joints QF21 and QF 22; when QF1 is opened and QF2 and QF3 are closed, the control joints QF31 and QF32 are respectively communicated with the control joints QF21 and QF 22;
the outlet switching unit consists of an outlet operation controller and electronic switches QF4, QF5, QF6, QF7, QF8, QF9 and QF 10; the outlet end operation controller controls the opening and closing of the electronic switches F4, QF5, QF6, QF7, QF8, QF9 and QF 10; in the outlet end switching unit, when QF4 is closed and QF5, QF6, QF7, QF8, QF9 and QF10 are opened, control joints QF41, QF42 and QF43 are respectively communicated with control joints A, B, C, and the power supply system receives off-peak electricity energy storage of a mains supply grid; when the QF6 is closed and the QF4, the QF5, the QF7, the QF8, the QF9 and the QF10 are opened, the control joints QF41, the QF42 and the QF43 are respectively communicated with the control joints QA, the QB and the QC, and the power supply system takes power from the railway traction power supply system; when QF5 is closed, QF4, QF6, QF7, QF8, QF9 and QF10, control joints QF41, QF42 and QF43 are respectively communicated with control joints YA, YB and YC, and a power supply system outputs 380V three-phase four-wire alternating current; when QF7 is closed and QF4, QF5, QF6, QF8, QF9 and QF10 are opened, the control joint QF44 is communicated with the control joint YN, and the power supply system outputs 220V alternating current; when QF8 is closed and QF4, QF5, QF6, QF7, QF9 and QF10 are opened, 110V direct current is output through the energy storage lithium battery pack; when QF9 is closed and QF4, QF5, QF6, QF7, QF8 and QF10 are opened, 48V direct current is output through the energy storage lithium battery pack; when QF10 is closed and QF4, QF5, QF6, QF7, QF8 and QF9 are opened, 24V direct current is output through the energy storage lithium battery pack;
the system controller comprises an all-solid-state microcomputer, a touch display screen, an alarm unit and an NB-LOT narrowband Internet of things, wherein the all-solid-state microcomputer is respectively connected with the touch display screen, the alarm unit and the NB-LOT narrowband Internet of things, and is respectively connected with a photovoltaic panel tracking control unit, a combiner current monitoring unit, an access switching unit, a bidirectional inverter, a charging and control unit, a battery protection board and an outlet switching unit through Profibus-DP communication cables; the photovoltaic panel tracking control unit comprises a solar tracking sensor arranged on the photovoltaic panel and a driving device in the photovoltaic panel slewing mechanism; the current monitoring unit of the combiner comprises current sensors and a network data collector;
the working process of the military mobile power supply vehicle is as follows:
1) Photovoltaic charging energy storage: the military multifunctional mobile power supply vehicle is stopped at a certain fixed position, a photovoltaic panel supporting column is erected, an upper photovoltaic panel is outwards opened through a photovoltaic panel wrench to form a plane with a lower photovoltaic panel, then a working face of the photovoltaic panel is approximately perpendicular to solar rays through adjusting a photovoltaic panel pitching manual adjusting knob and a photovoltaic panel rotating mechanism, and the photovoltaic panel supporting column are locked and fixed after adjustment; the current position of the photovoltaic panel and the position of sunlight are automatically detected by a sun tracking sensor arranged on the photovoltaic panel, and the horizontal rotation of the photovoltaic panel is regulated by a stepping motor controlled by a system controller, so that the working surface of the photovoltaic panel always faces the direction of the sunlight; the photovoltaic panel sends the obtained direct current into the access switching unit through the current collector, directly enters the bidirectional inverter to convert the direct current into alternating current, and then is output through the output switching unit for use; or the direct current power can be directly output for use by being sent to the energy storage lithium battery pack for charging by the access switching unit;
2) Charging and storing energy by using a mains supply: the utility power grid charges the energy storage lithium battery pack through the outlet switching unit, the bidirectional inverter and the access switching unit, and charges and stores energy in the valley time;
3) The railway traction power supply system is charged and stores energy, and comprises the following two modes:
mode one: the pantograph above the trailer mobile power station is supported to be in contact with a contact line in a railway traction power supply system for receiving electricity, and after current sequentially flows through an outlet end switching unit, a bidirectional inverter, an access switching unit and a charging and control unit, the energy storage lithium battery pack is charged;
mode two: the military multifunctional mobile power supply vehicle integrally moves along a rail by a railway freight flat vehicle in a pulling way, in the process, a pantograph above a trailer mobile power station is supported to be in contact with a contact line in a railway traction power supply system to receive power, and after current sequentially flows through an outlet end switching unit, a bidirectional inverter, an access switching unit and a charging and control unit, the energy storage lithium battery pack is charged;
4) Supplying power to the electrical load: under the control of the system controller, the electric energy stored in the energy storage lithium battery pack sequentially passes through the charging and control unit, the access switching unit, the bidirectional inverter and the outlet switching unit, and is led to an electric load for use by a corresponding outgoing line through an outlet power supply terminal arranged outside the mobile power station of the trailer.
2. The military multi-functional mobile power supply vehicle of claim 1, wherein said foldable photovoltaic panel assembly is comprised of an upper photovoltaic panel, a lower photovoltaic panel, a photovoltaic panel support column, a photovoltaic panel upper spindle, a photovoltaic panel lower spindle, and a photovoltaic panel swing mechanism; the upper photovoltaic plate and the lower photovoltaic plate are hinged through a rotating shaft on the photovoltaic plate, and the upper photovoltaic plate can rotate around the rotating shaft on the photovoltaic plate and then form a photovoltaic plate with the lower photovoltaic plate at an angle of 180 degrees, or are folded together with the lower photovoltaic plate in parallel; the hinge support of the rotating shaft on the photovoltaic panel is fixed on the rotating shaft support plate, the rotating shaft support plate is hinged with the upper end of the photovoltaic panel support column, and a photovoltaic panel pitching manual adjusting knob is arranged at the hinged position and used for adjusting the pitching angle of the photovoltaic panel; the lower end of the photovoltaic panel supporting column is hinged with a photovoltaic panel rotating mechanism, and the photovoltaic panel can rotate in the horizontal direction under the drive of the photovoltaic panel rotating mechanism; the photovoltaic panel rotation mechanism is fixedly connected with the tractor body through a photovoltaic panel supporting plate; when the foldable photovoltaic panel assembly is integrally folded, the upper photovoltaic panel, the lower photovoltaic panel and the photovoltaic panel supporting columns are all in a horizontal state.
3. The multifunctional military mobile power supply vehicle according to claim 2, wherein the photovoltaic panel rotation mechanism adopts a worm gear and worm transmission mechanism, a worm is a driving end, a worm wheel horizontally rotates, and a photovoltaic panel supporting column is arranged on the worm wheel.
4. The military multifunctional mobile power supply vehicle according to claim 1, wherein a direct-current fuse, a current sensor, a direct-current circuit breaker and a network data collector are arranged in the combiner, the direct-current fuse and the current sensor are sequentially connected in series on an anode wire and a cathode wire of a certain battery string, and a current signal output end of the current sensor is connected with an input end of the network data collector; the network data acquisition device receives the multipath current signals and is in communication connection with the system controller; the anode lead and the cathode lead are respectively provided with a direct current breaker and are grounded through a lightning arrester.
5. The multifunctional military mobile power supply vehicle according to claim 1, wherein the bidirectional inverter comprises a voltage conversion circuit, an inverter, a filter and a bidirectional inverter controller, wherein an input signal of the voltage conversion circuit is taken from direct current output of control joints QF21 and QF22 of the access switching unit, when the contactor K is closed, the direct current signal forms a pulsating square wave through a capacitor C1, an inductor L1 and a switch tube T7, the inverter formed by the switch tubes T1, T2, T3, T4, T5, T6 and the capacitor C2 is converted into three-phase alternating current, and the three-phase alternating current is filtered by the filter formed by the inductors L2, L3 and the capacitor C3 and then output to the access switching unit through output ends QF41, QF42 and QF 43.
6. The multifunctional mobile power supply vehicle for military use according to claim 1, wherein the charging and control unit is composed of an embedded microcomputer, a switch tube T8, a switch tube T9, a filter circuit composed of an inductor L4 and a capacitor C5, and a filter capacitor C4; the control terminal is used for converting direct current signals output by control joints QF31 and QF32 of the access switching unit into square waves to charge the energy storage lithium battery pack; the embedded microcomputer has networking function and switching value and analog input and output function.
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| CN110518472A (en) * | 2019-09-03 | 2019-11-29 | 常州大学 | It is a kind of can automatic light tracking solar panels unfolding mechanism and electric power safeguard vehicle |
| CN110576873A (en) * | 2019-09-19 | 2019-12-17 | 安徽万航轨道交通装备有限公司 | New forms of energy tram |
| CN112398423A (en) * | 2020-11-11 | 2021-02-23 | 苏州金辂房车有限公司 | Car as a house roof solar energy component installation mechanism |
| CN113315193A (en) * | 2021-05-20 | 2021-08-27 | 宁波众心电子科技有限公司 | High-power DC-DC charging control method and system, storage medium and inverter |
| US12049210B2 (en) * | 2021-06-03 | 2024-07-30 | Ford Global Technologies, Llc | Systems and methods for providing towing braking assistance during in-flight charging of electrified vehicles |
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