CN214755670U - Special storage battery cabinet of removable lithium cell formula for electric excavator - Google Patents
Special storage battery cabinet of removable lithium cell formula for electric excavator Download PDFInfo
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- CN214755670U CN214755670U CN202121208978.9U CN202121208978U CN214755670U CN 214755670 U CN214755670 U CN 214755670U CN 202121208978 U CN202121208978 U CN 202121208978U CN 214755670 U CN214755670 U CN 214755670U
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Abstract
The utility model discloses a special storage battery cabinet of removable lithium cell formula for electric excavator belongs to storage battery cabinet technical field, including the power battery group, the anodal electric connection battery management module of power battery group, battery management module electric connection control relay module and machine controller's 12V power, the fin is fixed around the insulating cabinet body with clamping screw, connects more firmly, adopts plug-in connection convenient the dismantlement between each independent battery check wherein, and the insulating cabinet body has been done the electrostatic protection to each independent battery check and has been handled, has improved the safety protection of battery in discharging or charging, improves electric excavator's safety performance.
Description
Technical Field
The utility model relates to a storage battery cabinet especially relates to a special storage battery cabinet of removable lithium cell formula for electric excavator belongs to storage battery cabinet technical field.
Background
Under the same use condition, the problems of the traditional hydraulic excavator are solved, and meanwhile, the construction can be carried out in closed environments such as cellars, greenhouses and tunnels which cannot be constructed by the traditional hydraulic excavator. The efficiency of the motor is over 75 percent, and the motor conforms to the national concept of energy conservation and emission reduction.
The battery of the existing excavator is generally installed in an integrated or multi-block distribution mode, the existing excavator is inconvenient to disassemble, the requirement on the space of a discharge battery of the excavator is higher, the working time is short, and therefore the problem is solved by designing the replaceable lithium battery type special battery jar cabinet for the electric excavator.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a replaceable lithium battery type special battery cabinet for an electric excavator, a lithium battery provides a power source, a battery management module controls a relay module to control the output current of the battery during working, a voltage stabilizer controls the battery to output stable voltage, a control switch is started to control the output negative pole of the lithium battery to control the power supply to a motor controller, the stable operation of the motor is realized, a voltage tester is arranged on each independent battery cell, the voltage of each independent battery cell is monitored and is connected in parallel, the independent battery cells are connected in a plugging manner and are convenient to disassemble, radiating fins are distributed around the insulating battery cabinet and are made of aluminum alloy materials, the heat emitted by the battery can be degraded slightly, the service life and the duration of the battery are prolonged, the radiating fins are fixed around the insulating cabinet body by fixing screws, and the connection is firmer, the independent battery grids are connected in a plug-in mode and are convenient to detach, the insulating cabinet body carries out electrostatic protection processing on each independent battery grid, safety protection of the batteries in discharging or charging is improved, and safety use performance of the electric excavator is improved.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a special storage battery cabinet of removable lithium cell formula for electric excavator, includes power battery group, power battery group's anodal electric connection battery management module, battery management module electric connection control relay module and machine controller's 12V power, control relay module electric connection stabiliser, just stabiliser electric connection starts the negative pole of control switch and machine controller and power battery group, machine controller's output electric connection motor, wherein the power battery group is the insulating cabinet body that forms by piling up independent battery check, just it has the lithium cell to insert in the independent battery check, the positive negative pole power of lithium cell series output, the fin has been laid in the outside of the insulating cabinet body, start control switch's other end electric connection machine controller.
Preferably, the back of the lithium battery is provided with a battery anode and a battery cathode, the battery anode and the battery cathode are connected in series to form an anode, and the battery cathode are connected in series to form a cathode.
Preferably, the cooling fin includes curb plate, clamping screw and grid, the curb plate is installed through clamping screw in the outside of the insulated cabinet body, the grid is installed to the outside equidistant of curb plate.
Preferably, the battery management module includes scram switch, soft start resistance and 12V direct current contactor, the one end of 1 electric connection scram switch of 12V direct current contactor, the other end electric connection power battery 1's of scram switch anodal, the one end of 1 wiring end electric connection soft start resistance of 12V direct current contactor, the other end of 2 wiring end electric connection soft start resistance of 12V direct current contactor.
Preferably, the 12V dc contactor is further provided with an a1 interface and an a2 interface capable of connecting the coil, and the a1 interface and the a2 interface are electrically connected to the 12V power supply at the output end of the motor controller.
Preferably, the control relay module includes relay coil, relay normal open point and external power supply, 2 wiring end electric connection relay coils of 12V direct current contactor and the relay normal open point's one end, the relay normal open point's other end electric connection stabiliser 3, the relay coil's other end electric connection external power supply.
Preferably, each independent battery grid is connected in a plug-in mode, and an electrostatic protection layer is arranged on the outer side of each independent battery grid.
The utility model has the advantages of:
the utility model provides a special storage battery cabinet of removable lithium battery formula for electric excavator, the lithium battery provides the power supply, battery management module, control relay module controls the output current in the battery work, the stabiliser controls the battery to output stable voltage, start control switch, control lithium battery output negative pole, control to give the motor controller electricity, realize the motor smooth operation, set up the pressure detector on each independent battery check, and monitor each independent battery check voltage independent battery check and adopt parallelly connected, adopt plug-in connection convenient dismantlement between each independent battery check, the insulating battery cabinet distributes a fin all around, the fin adopts aluminum alloy material, can degrade the weak heat that the battery distributes more, increase the life and the length of time of battery, the fin is fixed around the insulating cabinet body with the set screw, it is more firm to connect, wherein adopt plug-in connection convenient dismantlement between each independent battery check, the insulating cabinet body carries out electrostatic protection treatment on each independent battery grid, so that the safety protection of the battery in discharging or charging is improved, and the safety use performance of the electric excavator is improved.
Drawings
Fig. 1 is a circuit diagram of a preferred embodiment of a special battery cabinet for an electric excavator with a replaceable lithium battery according to the present invention;
fig. 2 is a schematic perspective view of a battery jar cabinet according to a preferred embodiment of the special battery jar cabinet with a replaceable lithium battery for the electric excavator of the present invention;
fig. 3 is an exploded view of a lithium battery and battery cell combined three-dimensional structure of a preferred embodiment of a replaceable lithium battery type special battery cabinet for an electric excavator according to the present invention;
fig. 4 is a schematic diagram of a lithium battery parallel connection of a preferred embodiment of a special storage battery cabinet for an electric excavator, wherein the special storage battery cabinet is a replaceable lithium battery type storage battery cabinet;
fig. 5 is a side view of a heat sink according to a preferred embodiment of the special storage battery cabinet with a replaceable lithium battery for the electric excavator of the present invention.
In the figure: 1-power battery pack, 2-start control switch, 3-voltage stabilizer, 4-control relay module, 5-battery management module, 6-motor controller, 7-motor, 8-insulating cabinet, 9-radiating fin, 10-independent battery grid, 11-lithium battery, 12-battery cathode, 13-fixing screw, 14-side plate, 15-grid and 16-battery anode.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-5, the special battery cabinet with replaceable lithium battery for electric excavator provided in this embodiment includes a power battery pack 1, a positive electrode of the power battery pack 1 is electrically connected to a battery management module 5, the battery management module 5 is electrically connected to a 12V power supply of a control relay module 4 and a motor controller 6, the control relay module 4 is electrically connected to a voltage stabilizer 3, the voltage stabilizer 3 is electrically connected with the start control switch 2, the motor controller 6 and the cathode of the power battery pack 1, the output end of the motor controller 6 is electrically connected with the motor 7, the power battery pack 1 is an insulating cabinet body 8 formed by stacking independent battery grids 10, lithium batteries 11 are inserted into the independent battery grids 10, the lithium batteries 11 are connected in series to output positive and negative power supplies, radiating fins 9 are laid on the outer side of the insulating cabinet body 8, and the other end of the starting control switch 2 is electrically connected with the motor controller 6.
The general working principle is as follows: the lithium battery 1 provides a power source, the battery management module 5 controls the relay module 4 to control the output current of the battery during working, the voltage stabilizer 3 controls the battery to output stable voltage, the control switch 2 is started to control the output cathode of the lithium battery 1 to control the power supply to the motor controller 6, so as to realize the stable operation of the motor 7, the voltage tester is arranged on each independent battery grid 10, each independent battery grid 10 is monitored to be connected in parallel, the independent battery grids 10 are connected in a plug-in manner to be convenient to disassemble, 4 radiating fins 9 are distributed around the insulated battery cabinet 8, the radiating fins 9 are made of aluminum alloy materials, weak heat emitted by the battery can be degraded, the service life and the duration of the battery are prolonged, the radiating fins 9 are fixed around the insulated cabinet body 8 by fixing screws 13 and are more firmly connected, wherein the independent battery grids 10 are connected in a plug-in manner to be convenient to disassemble, the insulating cabinet body 8 performs electrostatic protection treatment on each independent battery grid 10, so that the safety protection of the battery in discharging or charging is improved, and the safety use performance of the electric excavator is improved.
In this embodiment, the back surface of the lithium battery 11 is provided with a battery positive electrode 16 and a battery negative electrode 12, and the battery positive electrodes 16 are connected in series with each other to form a positive electrode, and the battery negative electrodes 12 are connected in series with each other to form a negative electrode.
In the embodiment, the heat sink 9 includes a side plate 14, a fixing screw 13 and a grid 15, the side plate 14 is mounted on the outer side of the insulated cabinet 8 through the fixing screw 13, and the grid 15 is mounted on the outer side of the side plate 14 at equal intervals.
The local working principle is as follows: 4 blocks of radiating fins 9 are distributed around the insulated battery cabinet 8, the radiating fins 9 are made of aluminum alloy materials, weak heat emitted by the batteries can be degraded, the service life and the duration of the batteries are prolonged, and the radiating fins are fixed around the insulated cabinet body 8 through fixing screws and are connected more firmly.
In this embodiment, the battery management module 5 includes an emergency stop switch, a soft start resistor and a 12V dc contactor, 1 electrical connection emergency stop switch of the 12V dc contactor has one end, the other end of the emergency stop switch is electrically connected to the positive electrode of the power battery pack 1, 1 terminal of the 12V dc contactor has one end of the soft start resistor, and 2 terminals of the 12V dc contactor have the other end of the soft start resistor.
In this embodiment, the 12V dc contactor further has an a1 interface and an a2 interface, which can be connected to the coil, and the a1 interface and the a2 interface are electrically connected to the 12V power supply at the output end of the motor controller 6.
In this embodiment, the control relay module 4 includes a relay coil, a relay normally-on point and an external power supply, the 2-terminal of the 12V dc contactor is electrically connected to the relay coil and one end of the relay normally-on point, the other end of the relay normally-on point is electrically connected to the voltage stabilizer 3, and the other end of the relay coil is electrically connected to the external power supply.
In this embodiment, the individual battery cells 10 are connected by a plug-in connection, and an electrostatic protection layer is disposed on the outer side of the individual battery cells 10.
Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.
Claims (7)
1. The utility model provides a special storage battery cabinet of removable lithium cell formula for electric excavator which characterized in that: including power battery group (1), anodal electric connection battery management module (5) of power battery group (1), the 12V power of battery management module (5) electric connection control relay module (4) and machine controller (6), control relay module (4) electric connection stabiliser (3), just stabiliser (3) electric connection start control switch (2) and machine controller (6) and power battery group's (1) negative pole, the output electric connection motor (7) of machine controller (6), wherein power battery group (1) is the insulating cabinet body (8) of piling up by independent battery check (10) and forming, and lithium cell (11) have been inserted in independent battery check (10), lithium cell (11) are established ties and are exported positive negative power, fin (9) have been laid in the outside of the insulating cabinet body (8), the other end of the starting control switch (2) is electrically connected with the motor controller (6).
2. The special battery cabinet with replaceable lithium batteries for the electric excavator, according to claim 1, is characterized in that: the back of lithium cell (11) is equipped with battery positive pole (16) and battery negative pole (12), just establish ties each other between battery positive pole (16) and constitute the positive pole, establish ties each other between battery negative pole (12) and constitute the negative pole.
3. The special battery cabinet with replaceable lithium batteries for the electric excavator, according to claim 2, is characterized in that: the radiating fin (9) comprises a side plate (14), a fixing screw rod (13) and a grid (15), the side plate (14) is installed on the outer side of the insulating cabinet body (8) through the fixing screw rod (13), and the grid (15) is installed on the outer side of the side plate (14) at equal intervals.
4. The special battery cabinet with a replaceable lithium battery for the electric excavator according to claim 3, characterized in that: battery management module (5) are including scram switch, soft resistance and 12V direct current contactor, the one end of 1 wiring end electric connection scram switch of 12V direct current contactor, the positive pole of the other end electric connection power battery group (1) of scram switch, the one end of 1 wiring end electric connection soft resistance of 12V direct current contactor, the other end of 2 wiring end electric connection soft resistance of 12V direct current contactor.
5. The special battery cabinet with replaceable lithium batteries for the electric excavator, according to claim 4, is characterized in that: the 12V direct current contactor is further provided with an A1 interface and an A2 interface which can be connected with the coil, and the A1 interface and the A2 interface are electrically connected with a 12V power supply at the output end of the motor controller (6).
6. The special battery cabinet with a replaceable lithium battery for the electric excavator, according to claim 5, is characterized in that: control relay module (4) are including relay coil, relay normal open point and external power supply, 2 wiring end electric connection relay coils of 12V direct current contactor and the relay normal open point's one end, the relay normal open point's other end electric connection stabiliser (3), the relay coil's other end electric connection external power supply.
7. The special battery cabinet with replaceable lithium batteries for the electric excavator, according to claim 6, is characterized in that: the independent battery grids (10) are connected in a plug-in manner, and the outer sides of the independent battery grids (10) are provided with static protection layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121208978.9U CN214755670U (en) | 2021-06-01 | 2021-06-01 | Special storage battery cabinet of removable lithium cell formula for electric excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121208978.9U CN214755670U (en) | 2021-06-01 | 2021-06-01 | Special storage battery cabinet of removable lithium cell formula for electric excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214755670U true CN214755670U (en) | 2021-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121208978.9U Active CN214755670U (en) | 2021-06-01 | 2021-06-01 | Special storage battery cabinet of removable lithium cell formula for electric excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214755670U (en) |
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2021
- 2021-06-01 CN CN202121208978.9U patent/CN214755670U/en active Active
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