CN212571197U

CN212571197U - Power supply device for electric ship

Info

Publication number: CN212571197U
Application number: CN202021629748.5U
Authority: CN
Inventors: 闻人红雁; 闻人红权; 孔建锋; 田德祥; 肖婷
Original assignee: ZHEJIANG GBS ENERGY CO Ltd
Current assignee: ZHEJIANG GBS ENERGY CO Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-02-19
Anticipated expiration: 2030-08-07

Abstract

A power supply device for an electric ship comprises a battery pack, a high-voltage box and a row wheel bracket, wherein the battery pack and the high-voltage box are fixedly arranged on the row wheel bracket and are used for controlling the power supply of the power supply device, the row wheel bracket comprises a bottom frame and a frame, the bottom frame is fixedly arranged in the frame, the battery pack is stacked on the bottom frame, the moving range of the battery pack is limited by the frame, the bottom frame comprises a battery mounting area and a high-voltage box mounting area, the battery pack is fixedly arranged in the battery mounting area, a rolling piece is arranged in the battery mounting area, the battery pack is convenient to move in the battery mounting area through the arrangement of the rolling piece, the battery pack is convenient to mount, the mounting efficiency is improved, the high-voltage box is fixedly arranged in the high-voltage box mounting area, when the mounting position of the power supply device is small, the battery pack and the high-voltage box can be fixedly mounted on the row wheel bracket firstly, and then the row wheels are moved to the position corresponding, the installation difficulty is reduced, and the installation efficiency is improved.

Description

Power supply device for electric ship

Technical Field

The utility model belongs to the power supply unit field, concretely relates to a power supply unit for electric ship.

Background

Electrically propelled craft, referred to as electric craft, powered by a battery pack as the main power source. The conventional electric ship is mainly a ship such as a small inland river sightseeing yacht with low main power supply voltage, small capacity and low endurance requirement, the capacity of a storage battery of the conventional electric ship is similar to that of a storage battery of a domestic electric automobile at present, generally about 200Ah, the rated output electric energy is below 80kWh, the storage batteries are not required to be connected in parallel to expand the capacity, and the problems of difficult charging operation and the like do not exist. In recent years, the application range of electric ships is expanded, the electric propulsion power and the endurance are correspondingly increased, a main power supply is developed from a traditional lead-acid storage battery to a new energy lithium iron phosphate battery panel, the storage battery capacity of the main power supply of the electric ship reaches more than 2500Ah, the rated output electric energy reaches more than 1500kWh, and the trend of further improvement is reached.

The quality for supplying power in the market at present is great, is not favorable to the workman to carry on its assembly, increase the assembly difficulty, supply power through the battery and still have following deficiency, (1) the battery increases with the operating time, the heat that sends is constantly increased, the phenomenon of easy battery burning takes place, is unfavorable for passenger's safety; (2) when the temperature is lower, the performance of the battery is reduced, the condition of insufficient power supply amount is easily caused, and the endurance mileage of the battery is reduced.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide a power supply device for an electric ship,

in order to solve the technical problems, the utility model adopts the technical proposal that,

the utility model provides a power supply unit for electric ship, includes battery package, high-pressure tank and tier wheel support, and the equal fixed mounting of battery package and high-pressure tank is on the tier wheel support, and the tier wheel support includes chassis and frame, and chassis fixed mounting is in the frame, and the chassis includes battery installing zone and high-pressure tank installing zone, and battery package fixed mounting installs the rolling member in the battery installing zone, and high-pressure tank fixed mounting is in high-pressure tank installing zone.

Further, the chassis comprises a transverse partition rod and a longitudinal rod, the transverse partition rod is vertically connected with the longitudinal rod, a mounting groove is formed in the longitudinal rod in an excavating mode, and the rolling piece is rotatably mounted in the mounting groove.

Furthermore, the frame is dug at the position corresponding to the mounting groove and is provided with a mounting hole, and one end of the rolling piece is inserted in the mounting hole.

Furthermore, a fixing piece is installed on the longitudinal rod, a rotor hole and a screw hole are dug in the fixing piece, the fixing piece is fixedly installed on the longitudinal rod through the screw hole, and the other end of the rolling piece is in rolling connection with the rotor hole.

Further, the battery pack comprises a battery shell, a heating layer, a lithium battery panel and a fire extinguisher assembly, a lithium battery cavity, a heating cavity and a fire extinguisher cavity are arranged in the battery shell, the lithium battery panel is fixedly installed in the lithium battery cavity, the heating layer is fixedly installed in the heating cavity, and the fire extinguisher assembly is fixedly installed in the fire extinguisher cavity.

Furthermore, a heating socket, a battery pack anode, a battery pack cathode and a ventilation valve are installed on the upper end face of the battery shell, the heating socket is connected with the heating layer through a lead, and the battery pack anode and the battery pack cathode are respectively connected with the lithium battery plate anode and the lithium battery plate cathode.

Furthermore, the high-voltage box comprises a high-voltage box body, a disconnection assembly, a pre-charging resistor and a main control module, wherein the disconnection assembly, the pre-charging resistor and the main control module are all fixedly installed in the high-voltage box body, the main control module is connected with the disconnection assembly and controls the disconnection assembly to work, and the pre-charging resistor is connected with the disconnection assembly.

Furthermore, a heating interface, a battery pack interface, a charging interface and a communication interface are arranged on the high-voltage box body, and the disconnection assembly is connected with the battery pack interface.

Further, the disconnection assembly comprises a data storage module, a relay, a fuse and a shunt, the relay is connected with the fuse, the fuse and the shunt are respectively connected with the battery pack plug interface, and the data storage module is connected with the relay and the main control module to control the relay to work.

Further, the fire extinguisher subassembly includes fire extinguisher and driven module, and main control module is connected with the driven module, and the driven module is connected with the fire extinguisher, controls the fire extinguisher work.

The beneficial effects of the utility model are that, (1) battery package is put things in good order on the chassis, carries on spacingly through the range of movement of frame to the battery package to be equipped with the rolling member on the chassis, through the setting of rolling member, the battery package of being convenient for removes in the battery installing zone, is convenient for install the battery package, improves the installation effectiveness.

(2) When power supply unit's mounted position is less, can be with battery package and high-voltage box fixed mounting to the steamboat support earlier, then with remove between the steamboat to the position that corresponds need install power supply unit on, reduce the installation and ann the degree of difficulty, improve the installation effectiveness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the roller support.

Fig. 3 is a partial enlarged view at a.

Fig. 4 is a schematic structural view of a battery pack.

Fig. 5 is a sectional view of the battery pack.

Fig. 6 is a schematic view of the structure of the high-pressure tank.

Fig. 7 is a cross-sectional view of the high pressure tank.

Reference numerals: the battery pack comprises a battery pack 1, a high-pressure box 2, a row wheel support 3, an underframe 4, a frame 5, a battery mounting area 6, a high-pressure box mounting area 7, rolling parts 8, a transverse separating rod 9, a longitudinal rod 10, a mounting groove 11, a mounting hole 12, a fixing part 13, a rotor hole 14, a screw hole 15, a battery shell 16, a heating layer 17, a lithium battery plate 18, a fire extinguisher assembly 19, a lithium battery cavity 20, a heating cavity 21, a fire extinguisher cavity 22, a limiting mounting plate 23, a limiting part 24, a heating socket 25, a battery pack anode 26, a battery pack cathode 27, a vent valve 28, a high-pressure box 29, a disconnecting assembly 30, a pre-charging resistor 31, a main control module 32, a heating socket 33, a battery pack socket 34, a charging socket 35, a communication socket 36, a data storage module 37, a relay 38, a fuse 39, a shunt 40.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

A power supply device for an electric ship comprises a battery pack 1, a high-voltage box 2 and a row wheel bracket 3, wherein the battery pack 1 and the high-voltage box 2 are fixedly arranged on the row wheel bracket 3, the high-voltage box 2 is used for controlling the power supply of the power supply device, the row wheel bracket 3 comprises an underframe 4 and a frame 5, the underframe 4 is fixedly arranged in the frame 5, the battery pack 1 is stacked on the underframe 4, the moving range of the battery pack 1 is limited through the frame 5, the underframe 4 comprises a battery mounting area 6 and a high-voltage box mounting area 7, the battery pack 1 is fixedly arranged in the battery mounting area 6, a rolling piece 8 is arranged in the battery mounting area 6, through the arrangement of the rolling piece 8, the battery pack 1 can conveniently move in the battery mounting area 6, the battery pack can be conveniently mounted, the mounting efficiency is improved, the high-voltage box 2 is fixedly arranged in the high-voltage box mounting area 7, when the mounting position of the power supply device, can be with battery package 1 and high-voltage box 2 fixed mounting to gear rack support 3 earlier on, then with 3 removal between the gear rack to corresponding need install power supply unit's position on, reduce the installation degree of difficulty, improve the installation effectiveness.

Chassis 4 includes horizontal spacer bar 9 and vertical pole 10, and horizontal spacer bar 9 is connected with vertical pole 10 is perpendicular, digs on vertical pole 10 and is equipped with mounting groove 11, and rolling member 8 rotates to be installed in mounting groove 11, and rolling member fixed mounting is on adjacent vertical pole 10, fixes adjacent vertical pole 10 through horizontal spacer bar 9, improves vertical pole 10's intensity, prevents that vertical pole 10 from taking place deformation and leading to rolling member 8 to become invalid.

Frame 5 digs on the position that mounting groove 11 corresponds and is equipped with mounting hole 12, and the one end of rolling member 8 is pegged graft in mounting hole 12, carries on spacingly through mounting hole 12 to the one end of rolling member 8, prevents that rolling member 8 from following the interior roll-off of mounting groove 11.

Install mounting 13 on vertical pole 10, dig on mounting 13 and be equipped with rotor hole 14 and screw 15, mounting 13 passes through screw 15 fixed mounting on vertical pole 10, the other end and the 14 roll connections in rotor hole of rolling member 8, carry on spacingly through mounting 13 to the other end of rolling member 8, prevent roll member 8's the other end from the interior roll-off of mounting groove 11, setting through mounting 13, be convenient for install rolling member 8, improve the installation effectiveness of row's wheel support 3.

In some preferred modes, the height of the frame 5 is higher than that of the bottom frame 4, so that the frame 5 can limit the battery pack 1, a limiting mounting plate 23 is fixedly mounted on the bottom frame 4, a limiting part 24 is fixedly mounted on the limiting mounting plate 23, and the limiting part 24 is matched with the frame 5 to limit the battery pack 1, so that the battery pack 1 is prevented from moving relatively on the pulley support 3 in the using process.

Battery package 1 includes battery housing 16, zone of heating 17, lithium cell board 18 and fire extinguisher subassembly 19, be equipped with lithium cell chamber 20 in battery housing 16, heating chamber 21 and fire extinguisher chamber 22, lithium cell board 18 fixed mounting is in lithium cell chamber 20, zone of heating 17 fixed mounting is in heating chamber 21, fire extinguisher subassembly 19 fixed mounting is in fire extinguisher chamber 22, setting through fire extinguisher subassembly 19, when battery package 1 crosses the temperature or when catching fire, put out a fire to the battery package and handle, improve battery package 1's security performance, and through zone of heating 17's setting, be convenient for heat battery package 1 under the low temperature state, improve battery package 1's power supply efficiency, reduce the energy loss, it is preferred, install the heating pipeline in the zone of heating 17, heat battery package 1 through the heating pipeline.

Heating socket 25, battery package positive pole 26, battery package negative pole 27 and breather valve 28 are installed to battery case 6's up end, and heating socket 25 is connected with zone of heating 17 through the wire for the zone of heating 17 power supply realizes heating battery package 1, battery package positive pole 26, battery package negative pole 27 are connected with lithium battery board 18 positive negative pole respectively.

High-voltage box 2 includes high-voltage box 29, disconnection subassembly 30, pre-charge resistance 31 and host system 32, and disconnection subassembly 30, pre-charge resistance 31, the equal fixed mounting of host system 32 are in high-voltage box 29, and host system 32 is connected with disconnection subassembly 30, and control disconnection subassembly 30 work, pre-charge resistance 31 are connected with disconnection subassembly 30, through pre-charge resistance 31's setting, protect disconnection subassembly 30, prevent that disconnection subassembly 30 from damaging.

The high-voltage box 29 is provided with a heating interface 33, a battery pack interface 34, a charging interface 35 and a communication interface 36, the disconnecting component 30 is connected with the battery pack interface 34, and the battery pack interface 34 is used for connecting the power supply device with an external circuit.

The disconnecting component 30 comprises a data storage module 37, a relay 38, a fuse 39 and a shunt 40, the relay 38 is connected with the fuse 39, the fuse 39 and the shunt 40 are respectively connected with the battery pack plug interface 34, the data storage module 37 is connected with the relay 39 and the main control module 32, the relay 38 is controlled to work, the relay 38 can disconnect the output of the battery pack, when short circuit occurs, the fuse 39 is used for disconnecting the output of the battery pack, the shunt 40 can detect the current of the battery pack, and when the output current is too large, the output of the battery pack can be cut off through the relay; if the relay is directly connected, the high voltage of the battery is directly loaded on an empty bus capacitor, which is equivalent to instantaneous short circuit, and the relay can be damaged by extremely large instantaneous current, so that the phenomenon can be prevented beneficially by the arrangement of the pre-charging battery; and after adding the pre-charging resistor, the bus capacitor is pre-charged through the pre-charging loop, so that the current when the main circuit is switched on can be controlled within a safe range to ensure the normal operation of the system, the main control analyzes the voltage and the temperature data of the slave control battery data, and the power device is cut off when the battery is in overvoltage and over-temperature, and the power device can also be cut off by collecting the current of the shunt.

The fire extinguisher assembly 19 comprises a fire extinguisher 41 and a driven module 42, the master control module 32 is connected with the driven module 42, the master control module 32 is used for controlling the driven module 42 to work, the driven module 42 is connected with the fire extinguisher 41 and used for controlling the fire extinguisher 41 to work, and the fire extinguisher 41 adopts a hot aerosol fire extinguisher.

In some preferred modes, the master control module 32 is a PLC, a logic program is added in the PLC for judging whether to drive the fire extinguisher assembly 19, and the like, and the slave module 42 is a trigger switch, and when the trigger switch is turned on, the fire extinguisher 41 works.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a power supply unit for electric ship, a serial communication port, including battery package (1), high-pressure tank (2) and tier wheel support (3), equal fixed mounting of battery package (1) and high-pressure tank (2) is on tier wheel support (3), tier wheel support (3) are including chassis (4) and frame (5), chassis (4) fixed mounting is in frame (5), chassis (4) are including battery installing zone (6) and high-pressure tank installing zone (7), battery package (1) fixed mounting is in battery installing zone (6), install rolling member (8) in battery installing zone (6), high-pressure tank (2) fixed mounting is in high-pressure tank installing zone (7).

2. A power supply arrangement for an electric boat according to claim 1, characterized in that the underframe (4) comprises a transverse spacer bar (9) and a longitudinal bar (10), the transverse spacer bar being connected perpendicularly to the longitudinal bar (10), the longitudinal bar (10) being provided with an installation groove (11) in an upper portion, the rolling elements (8) being rotatably mounted in the installation groove (11).

3. A power supply arrangement for an electric boat according to claim 2, characterized in that the frame (5) is provided with mounting holes (12) dug in the positions corresponding to the mounting slots (11), and one ends of the rolling members (8) are inserted into the mounting holes (12).

4. A power supply arrangement for an electric boat according to claim 2, characterized in that the longitudinal rod (10) is provided with a fixing member (13), the fixing member (13) is provided with a rotor hole (14) and a screw hole (15) in a digging manner, the fixing member (13) is fixedly mounted on the longitudinal rod (10) through the screw hole (15), and the other end of the rolling member (8) is in rolling connection with the rotor hole (14).

5. The power supply device for the electric ship according to claim 1, wherein the battery pack (1) comprises a battery housing (16), a heating layer (17), a lithium battery plate (18) and a fire extinguisher assembly (19), a lithium battery cavity (20), a heating cavity (21) and a fire extinguisher cavity (22) are arranged in the battery housing (16), the lithium battery plate (18) is fixedly installed in the lithium battery cavity (20), the heating layer (17) is fixedly installed in the heating cavity (21), and the fire extinguisher assembly (19) is fixedly installed in the fire extinguisher cavity (22).

6. A power supply device for an electric ship according to claim 5, characterized in that the upper end face of the battery shell (16) is provided with a heating socket (25), a battery pack anode (26), a battery pack cathode (27) and a ventilation valve (28), the heating socket (25) is connected with the heating layer (17) through a lead, and the battery pack anode (26) and the battery pack cathode (27) are respectively connected with the anode and the cathode of the lithium battery plate (18).

7. The power supply device for the electric ship is characterized in that the high-voltage box (2) comprises a high-voltage box body (29), a disconnection assembly (30), a pre-charging resistor (31) and a main control module (32), the disconnection assembly (30), the pre-charging resistor (31) and the main control module (32) are fixedly installed in the high-voltage box body (29), the main control module (32) is connected with the disconnection assembly (30) and controls the disconnection assembly (30) to work, and the pre-charging resistor (31) is connected with the disconnection assembly (30).

8. A power supply device for an electric ship in accordance with claim 7, wherein the high voltage box (29) is provided with a heating socket (33), a battery pack socket (34), a charging socket (35) and a communication socket (36), and the disconnection assembly (30) is connected to the battery pack socket (34).

9. The power supply device for the electric ship is characterized in that the disconnection assembly (30) comprises a data storage module (37), a relay (38), a fuse (39) and a shunt (40), the relay (38) is connected with the fuse (39), the fuse (39) and the shunt (40) are respectively connected with the battery pack insertion port (34), and the data storage module (37) is connected with the relay (38) and the main control module (32) to control the relay (38) to work.

10. A power supply device for an electric ship according to claim 7, characterized in that the fire extinguisher assembly (19) comprises a fire extinguisher (41) and a driven module (42), the master control module (32) is connected with the driven module (42), and the driven module (42) is connected with the fire extinguisher (41) to control the operation of the fire extinguisher (41).