CN219989040U - Mobile charging system for electric engineering machinery - Google Patents
Mobile charging system for electric engineering machinery Download PDFInfo
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- CN219989040U CN219989040U CN202321045511.6U CN202321045511U CN219989040U CN 219989040 U CN219989040 U CN 219989040U CN 202321045511 U CN202321045511 U CN 202321045511U CN 219989040 U CN219989040 U CN 219989040U
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides a mobile charging system for an electric engineering machine, which is characterized in that: the device comprises a mobile platform (1), wherein a vehicle-mounted power supply (3), a converter (4) and a hoisting device (5) are arranged on the mobile platform, and the vehicle-mounted power supply (3) is connected with an electric engineering machine (2) through the converter (4) and the hoisting device (5) in sequence; the problem of limitation of the working range of the power grid power taking mode in the prior art is solved; the potential safety hazard existing in the prior art is avoided; the potential safety hazard problem caused by overlarge cable current, overlarge human body step voltage and the like possibly caused by landing a 6000V high-voltage output cable is avoided; the adopted mobile platform can become an important component of a future smart power grid, can supply power for electric engineering machinery products, can be used as a green mobile energy storage unit to be connected into the power grid to supply power for the power grid, and can be used as an important energy storage tool for peak clipping and valley filling of the power.
Description
Technical Field
The utility model relates to the technical field of electric engineering machinery, in particular to a mobile charging system for electric engineering machinery.
Background
At present, large-scale electric engineering machinery adopts a power grid electricity taking mode, and defects existing in the use process mainly comprise:
1) The large-scale electric engineering machinery has poor transition flexibility due to the fact that the large-scale electric engineering machinery is limited by the power grid power supply of an actual site and the construction range is limited;
2) The scheme of power grid electricity taking has huge potential safety hazard, 6000V high-voltage asynchronous motor connects cable direct mopping of 50mm diameter, and the cable diameter is thicker, if the damaged condition of cable protective sheath appears, can appear high-voltage electric leakage and human step voltage near the excavator, has great potential safety hazard.
Therefore, there is a need to provide a mobile charging system for an electric engineering machine, which solves the above-mentioned drawbacks and deficiencies of the prior art.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the utility model provides a mobile charging system for an electric engineering machine.
The technical scheme provided by the utility model is as follows:
a mobile charging system for an electric work machine, characterized by: the vehicle-mounted power supply is connected with the electric engineering machinery sequentially through the converter and the hoisting device.
As a further preferred embodiment of the utility model, the mobile platform is provided in several places around the electric work machine.
As a further preferred embodiment of the present utility model, the vehicle-mounted power supply, the converter, and the winding device are respectively disposed on top of the mobile platform, the winding device is disposed close to the electric engineering machine, the vehicle-mounted power supply is disposed far from the electric engineering machine, and the converter is disposed between the vehicle-mounted power supply and the winding device.
As a further preferable embodiment of the present utility model, the mobile platform is provided with an in-vehicle system, and the in-vehicle system is connected to an in-vehicle power supply and a remote control device, respectively.
As a further preferred embodiment of the present utility model, the vehicle-mounted system at least includes a driving system, a traveling system, a steering system, a braking system, and a remote control system.
As a further preferred embodiment of the utility model, the driving system is a crawler-type or wheel-type driving system.
As a further preferable embodiment of the present utility model, the mobile platform is further provided with a ranging sensor and an alarm device connected to the electric engineering machine.
As a further preferable implementation mode of the utility model, the vehicle-mounted power supply adopts a 600-1200V DC energy type battery.
As a further preferred embodiment of the present utility model, the converter is a DCAC inverter.
As a further preferable embodiment of the utility model, the winding device is an electric winding device, and the preset length of the winding cable on the winding device is longer than the farthest distance between the mobile platform and the electric engineering machinery.
Compared with the prior art, the utility model has the following beneficial effects:
1) The utility model provides a mobile charging system for electric engineering machinery, which solves the problem of limited working range of a power grid power-taking mode in the prior art by arranging a plurality of mobile platforms around the electric engineering machinery;
2) The utility model provides a mobile charging system for an electric engineering machine, wherein the farthest distance between a mobile platform and the electric engineering machine is controlled to be 30 meters, so that the actual length of an actually used cable is controlled to be within 30 meters, the mobile charging system can be in overhead connection with the electric engineering machine, and the potential safety hazard in the prior art is avoided.
3) The utility model provides a mobile charging system for an electric engineering machine, which concentrates cables between a mobile platform and the electric engineering machine, and avoids potential safety hazards caused by overlarge cable current and overlarge human body step voltage and the like possibly caused by landing a 6000V high-voltage power output cable.
4) The utility model provides a mobile charging system for electric engineering machinery, which adopts a mobile platform which can become an important component of a future smart grid, can supply power for electric engineering machinery products, can be used as a green mobile energy storage unit to be connected into the power grid to supply power for the power grid, and can be used as an important energy storage tool for peak clipping and valley filling of the power.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Fig. 1 shows a mobile charging system for an electric engineering machine according to a first embodiment of the present utility model, which is characterized in that: the mobile platform 1 and the electric construction machine 2 connected with the mobile platform 1 are included, and in this embodiment, the electric construction machine 2 may be an electric agricultural machine, an electric construction machine, or the like, for example, a common electric excavator or the like.
In this embodiment, as shown in fig. 1, a mobile platform is provided with a vehicle-mounted power supply 3, a converter 4, and a hoisting device 5, and the vehicle-mounted power supply 3 is connected to the electric construction machine 2 through the converter 4 and the hoisting device 5 in this order. In the embodiment, the vehicle-mounted power supply 3 selects a 600-1200V DC energy type battery to charge the electric engineering machinery 2 and simultaneously provide power for a vehicle-mounted system and a hoisting device; the converter 4 in the embodiment selects a DCAC inverter, which can convert the voltage of the 600-1200V dc energy type battery provided by the vehicle-mounted power supply 3 into 6000V ac high-voltage output; the electric winding device is selected as the winding device 5 in the embodiment, and the preset length of the winding cable on the winding device 5 is larger than the farthest distance between the mobile platform and the electric engineering machinery 2, in the embodiment, the farthest distance between the mobile platform and the electric engineering machinery is controlled to be 30 meters, so that the preset length of the winding cable on the winding device 5 can be set to be 50 meters to meet the cable use requirement when the farthest distance is met, and the actual length of the actually used cable is controlled to be within 30 meters, thereby realizing overhead connection with the electric engineering machinery and avoiding the potential safety hazard existing in the prior art.
As a preferred embodiment, the mobile platform 1 is provided with a plurality of mobile platforms around the electric engineering machine 2, so that the charging requirements of different numbers and different speeds of the electric engineering machine can be met through the arrangement of a single mobile platform or a plurality of mobile platforms.
As shown in fig. 1, the vehicle-mounted power source 3, the converter 4 and the winding device 5 are respectively arranged at the top of the mobile platform 1, and the winding device 5 is arranged close to the electric engineering machine 2 so as to adjust the cable length between the mobile platform 1 and the electric engineering machine 2, the vehicle-mounted power source 3 is arranged far away from the electric engineering machine 2, and the converter 4 is arranged between the vehicle-mounted power source 3 and the winding device 5 so as to realize conversion of the output voltage of the vehicle-mounted power source 3.
The mobile platform 1 is provided with a vehicle-mounted system which at least comprises a driving system, a running system, a steering system, a braking system, a remote control system and the like; the running system can be a crawler type or wheel type running system according to actual running requirements. The vehicle-mounted system is respectively connected with the vehicle-mounted power supply 3 and the remote control device, is connected with the vehicle-mounted power supply 3 to provide driving power through the vehicle-mounted power supply 3, and can realize remote control operation on the vehicle-mounted system at a remote place.
As a further preferable mode of this embodiment, the mobile platform 1 is further provided with a ranging sensor and an alarm device connected with the electric engineering machine 2, and when the distance between the mobile platform 1 and the electric engineering machine 2 exceeds a preset range, an alarm prompt message is sent out through the alarm device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A mobile charging system for an electric work machine, characterized by: the device comprises a mobile platform (1), wherein a vehicle-mounted power supply (3), a converter (4) and a hoisting device (5) are arranged on the mobile platform, and the vehicle-mounted power supply (3) is connected with an electric engineering machine (2) sequentially through the converter (4) and the hoisting device (5).
2. A mobile charging system for an electric work machine according to claim 1, wherein: the movable platform (1) is arranged around the electric engineering machinery (2) in a plurality.
3. A mobile charging system for an electric work machine according to claim 1, wherein: the vehicle-mounted power supply (3), the converter (4) and the winding device (5) are respectively arranged at the top of the mobile platform (1), the winding device (5) is arranged close to the electric engineering machinery (2), the vehicle-mounted power supply (3) is arranged far away from the electric engineering machinery (2), and the converter (4) is arranged between the vehicle-mounted power supply (3) and the winding device (5).
4. A mobile charging system for an electric work machine according to claim 1, wherein: the mobile platform (1) is provided with a vehicle-mounted system, and the vehicle-mounted system is respectively connected with a vehicle-mounted power supply (3) and a remote control device.
5. A mobile charging system for an electric work machine according to claim 4, wherein: the vehicle-mounted system at least comprises a driving system, a running system, a steering system, a braking system and a remote control system.
6. A mobile charging system for an electric work machine according to claim 5, wherein: the running system is a crawler-type or wheel-type running system.
7. A mobile charging system for an electric work machine according to claim 1, wherein: the mobile platform (1) is also provided with a ranging sensor and an alarm device which are connected with the electric engineering machinery (2).
8. A mobile charging system for an electric work machine according to claim 1, wherein: the vehicle-mounted power supply (3) is a 600-1200V DC energy type battery.
9. A mobile charging system for an electric work machine according to claim 1, wherein: the converter (4) is a DCAC inverter.
10. A mobile charging system for an electric work machine according to claim 1, wherein: the hoisting device (5) is an electric hoisting device, and the preset length of a winding cable on the hoisting device (5) is larger than the farthest distance between the mobile platform and the electric engineering machinery (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045511.6U CN219989040U (en) | 2023-05-05 | 2023-05-05 | Mobile charging system for electric engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321045511.6U CN219989040U (en) | 2023-05-05 | 2023-05-05 | Mobile charging system for electric engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219989040U true CN219989040U (en) | 2023-11-10 |
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ID=88613481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321045511.6U Active CN219989040U (en) | 2023-05-05 | 2023-05-05 | Mobile charging system for electric engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219989040U (en) |
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2023
- 2023-05-05 CN CN202321045511.6U patent/CN219989040U/en active Active
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