CN212046987U

CN212046987U - Mobile charging device

Info

Publication number: CN212046987U
Application number: CN202022363064.1U
Authority: CN
Inventors: 张冰洁; 杨俊强; 刘峰; 刘然; 高洋
Original assignee: Beijing Guoxin Intelligent Power New Energy Technology Co ltd
Current assignee: Beijing Guoxin Intelligent Power New Energy Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2020-12-01
Anticipated expiration: 2030-10-22

Abstract

The utility model belongs to the new forms of energy field, concretely relates to portable charging device aims at the not enough problem of the battery charging outfit's of getting the electricity in order to solve directly from outside power supply unit flexibility. The utility model comprises a charging device, a track walking device, a storage battery and an mechanical arm; the charging equipment and the mechanical arm are respectively arranged on the track traveling device; the storage battery is arranged on the track traveling device, is connected with the charging equipment through a charging circuit and is respectively and electrically connected with the track traveling device and the mechanical arm through a power supply circuit; the charging equipment is fixedly arranged on the track traveling device and comprises a charging gun and a power supply interface used for being electrically connected with a power supply system; the rail walking device is provided with a first image acquisition device, and the mechanical arm is provided with a second image acquisition device. The utility model provides a power supply cable restriction charging device remove regional problem, improved charging device's flexibility.

Description

Mobile charging device

Technical Field

The utility model belongs to the new forms of energy field, concretely relates to portable charging device.

Background

At present, the charging pile of the electric automobile is basically a charging pile fixedly installed in a specific position, for example, the charging pile is installed in a parking space corresponding to a charging station, or a household parking space, and the charging pile is not movable after being installed and can only be used exclusively for a fixed parking space. With the social acceptance of electric vehicles becoming higher and higher, the market share of the electric vehicles in travel is increasing, and the research on the field of electric vehicle charging is hot, and the concept of a mobile charging device has been proposed: the first type is a mobile charging pile based on a storage battery as a charging energy source, the design of the charging pile causes energy waste due to transition of an intermediate storage battery, and meanwhile, due to the fact that the weight of the storage battery is extremely large, more energy needs to be consumed in the moving process, and further energy consumption is caused; the second kind is for filling electric pile through cable and external power supply equipment connection, and its displacement receives the restriction of connecting the cable, can only remove in minimum region, and the flexibility is not enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, that is, to solve the problem of insufficient flexibility of the charging device which directly takes electricity from the external power supply device, the utility model provides a mobile charging device, which comprises a charging device, a track traveling device, a storage battery and a mechanical arm;

the charging equipment and the mechanical arm are respectively arranged on the track traveling device;

the storage battery is arranged on the track traveling device, is connected with the charging equipment through a charging circuit and is respectively and electrically connected with the track traveling device and the mechanical arm through a power supply circuit; the charging equipment is fixedly arranged on the track traveling device and comprises a charging gun and a power supply interface used for being electrically connected with a power supply system;

the rail walking device is provided with a first image acquisition device, and the mechanical arm is provided with a second image acquisition device.

In some preferred embodiments, the dc output circuit of the charging device is connected to the charging circuit of the storage battery.

In some preferred embodiments, the track-bound device further includes a wireless transceiver for communicating with an external device.

In some preferred embodiments, the rail running gear is further provided with a fixing device by means of which the rail running gear can be fixed to the running rail.

In some preferred embodiments, the fixing device comprises a clamp-type holding structure which can hold the running track tightly, and a driving device for switching the state of the clamp-type holding structure.

In some preferred embodiments, the power supply interface comprises a guide portion of a frustum structure which is matched with a power supply interface of a wide-mouth conical barrel structure of an external power supply system.

In some preferred embodiments, the power supplying interface further comprises a fastener for connecting with the power supply interface.

The utility model has the advantages that:

the charging device can be connected with a power supply interface of a pre-laid power supply cable through the power supply interface, so that the problem that the power supply cable limits the moving area of the charging device is solved, and the flexibility of the charging device is improved;

the electric energy adopted when the electric automobile is charged is directly obtained from the power supply equipment, the storage battery is not charged, and on the premise of improving the flexibility, compared with a mobile charging pile of a storage battery type power supply type, the energy consumption is reduced;

the mechanical arm is arranged, so that the connection between the power supply interface and the connection between the charging gun and the charging hole of the electric automobile are automated;

the image acquisition devices are respectively arranged at the end parts of the walking device and the mechanical arm, so that the mechanical arm can carry out coarse positioning and accurate positioning of interface butt joint.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic view of a mobile charging device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a usage state of a mobile charging device according to an embodiment of the present invention;

fig. 3 is an enlarged view of the end of the robot arm according to an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The utility model relates to a mobile charging device, which comprises a charging device, a track walking device, a storage battery and an mechanical arm;

In order to clearly explain the mobile charging device of the present invention, an embodiment of the present invention is described in detail below with reference to the accompanying drawings. The drawings of the utility model are only for assisting the explanation of the technical proposal of the utility model, and the drawings do not show all the structural characteristics in detail, such as a charging gun, a mechanical arm, etc.

The utility model relates to a portable charging device of embodiment, as shown in fig. 1, fig. 3, including battery charging outfit 2, still include rail walking device 1, battery, arm 3.

This portable charging device is applied to and has orbital charging station, as shown in fig. 2, the track includes main track and sub-track, the sub-track sets up in the parking stall that corresponds, be provided with track auto-change over device between main track and the sub-track, every sub-track is provided with power supply interface, power supply interface is connected with the power supply unit of charging station through the cable, be used for the main track that charging unit found through track auto-change over device, after the sub-track route reachs the sub-track that corresponds, will fill electric pile and get the electricity from power supply unit through the power supply interface that corresponds and charge in order to carry out the electric. Fig. 2 is a schematic diagram showing a use state, and the mobile charging device in the diagram is only a simplified schematic diagram, and does not show all structures that the mobile charging device should have.

In this embodiment, the charging device 2, the mechanical arm 3, and the storage battery are respectively mounted on the rail traveling device. The storage battery is used for providing electric energy for the rail walking device 1 and the mechanical arm 3 to work, and the storage battery comprises a charging circuit and a power supply circuit. The charging circuit is connected with the direct current output circuit of the charging device 2, and the storage battery is charged after the charging device is electrically connected with the external power supply device; the power supply circuit is respectively electrically connected with the track walking device 1 and the mechanical arm 3 to provide working electric energy for the track walking device.

Charging equipment 2 is detachably fixed and is installed in the rail walking device, including be used for with the electric motor car rifle 4 that charges that the hole is connected, be used for with the electric power interface of giving electricity that the power supply system electricity is connected.

One end of the mechanical arm 3 is installed on the track traveling device 1, and the other end of the mechanical arm is provided with a clamping mechanism 31 for clamping the electricity supply interface and the charging gun 4 to perform corresponding butt joint action.

In order to realize automation of circuit interface connection, one of the methods is to calculate the position of the butted port by means of image recognition, so as to drive the robot arm 3 to clamp the end of the cable to be butted for butting. Therefore, the rail walking device 1 is provided with a first image acquisition device 5, and the mechanical arm 3 is provided with a second image acquisition device 6; the first image acquisition device 5 is arranged on the track traveling device 1 body and used for acquiring images of a vehicle to be charged and carrying out rough positioning on a charging port; the second image acquisition device 6 is arranged at the end part of the mechanical arm far away from the transfer device and is used for acquiring images of a view field in front of an output port of the charging gun, accurately positioning the charging port and performing plug-in guidance of the charging gun and/or the power supply interface. In this embodiment, in order to enlarge the view field of image acquisition, the first image acquisition device and the second image acquisition device may be dome cameras or dome cameras.

In order to reduce the difficulty of butt joint of the power supply interface and the power service interface, an interface connection guide structure is arranged. The guide structure at power supply kneck is the first guide portion of wide-mouth toper bucket structure, is similar to an open-ended loudspeaker form, and the guide structure at the confession electric kneck is the second guide portion of frustum structure, and the second guide portion matches with first guide portion. In the process of splicing, as long as the end part of the frustum enters the wide-mouth conical barrel structure, the frustum can be guided to the center of the bottom of the wide-mouth conical barrel structure through the inclined inner wall of the frustum, and then the butt joint of the power supply interface and the power supply interface is realized.

In order to realize the automation of charging the electric vehicle by the charging station and improve the precision and efficiency of inserting the charging gun into the charging hole of the electric vehicle by the mechanical arm, the mobile charging device of the embodiment further comprises a charging plug-in device which is detachably arranged with the track traveling device, the charging plug-in device comprises a charging hole extending piece and a third guide part, and the head of the corresponding charging gun is arranged to be a fourth guide part matched with the third guide part. In this embodiment, the third guide portion is a wide-mouth conical barrel structure similar to an open horn shape, and the fourth guide portion is a frustum structure matched with the wide-mouth conical barrel structure; charging hole extension one end sets up in the interior bottom of wide-mouth toper bucket structure for be connected with the rifle electricity that charges, the other end is used for being connected with the charging hole electricity of storage battery car, and after both ends are connected with charging hole, the rifle that charges respectively, make the passageway that charges switch on. Like this, the user is berthhed at the parking stall of charging at the vehicle, after the grafting equipment that will charge inserts the interface that charges of electric motor car, can leave the vehicle, the charging station is after transporting the track that corresponds with charging equipment, only need carry out the coarse positioning through the camera that sets up in running gear or charging equipment, need not carry out the accurate positioning, as long as the frustum tip gets into in the wide-mouth toper bucket structure, can be through the inner wall of its slope, can guide the frustum to the bottom central authorities of wide-mouth toper bucket structure at propulsion in-process, and then realize charging the rifle and charge the hole charging path intercommunication through charging the hole extension piece with the electric motor car. After the power supply interface is in butt joint with the power supply interface, in order to avoid accidental damage caused by sudden disconnection in the charging process, the first guide part and the second guide part are connected in a clamping mode through the clamping piece.

The walking device also comprises a wireless receiving/transmitting circuit used for communicating with the external equipment.

The running gear is also provided with a fixing device, and the rail running gear can be fixed on the rail through the fixing device. The fixing equipment comprises a clamp type holding structure capable of holding the track tightly and a driving device for switching the state of the clamp type holding structure. The driving device can be a motor, and the clamp type enclasping structure is driven by the gear train structure to enclasp the track and release the switching of the track state.

In some preferred embodiments, the end of the mechanical arm far away from the walking device is provided with a wall climbing device, and the wall climbing device can drive the end of the mechanical arm to walk on the surface of the automobile body. In the embodiment with the wall climbing device, the image capturing device (the first image capturing device) is only mounted on the traveling device as described above, and there is no need to mount an additional image capturing device at the end of the robot arm. The side surface of the wall climbing device, which is far away from the vehicle body, is provided with three mark points (the three mark points can be mark colors, marks, mark graphs and the like), and the control system is pre-stored with the relative position information of the three mark points relative to the installation position of the charging gun (namely, in a coordinate system taking the installation position of the charging gun on the mechanical arm as an original point, the positions of the three mark points are changed into the coordinate system to be used as a first coordinate system). The method comprises the following steps that firstly, when a mechanical arm obtains an electric automobile charging hole in a view field of a first image acquisition device, a wall climbing device is attached to an automobile body in the view field through the mechanical arm; then, based on the image which is acquired by the first image acquisition device and contains the three mark points and the charging hole, acquiring the relative position of the charging hole relative to the installation position of the charging gun (namely the position information of the charging hole in a first coordinate system as first position information); and thirdly, moving the charging gun to the position of the charging hole through the wall-climbing robot based on the first position information, and performing plug-in charging. The purpose of adopting this scheme is in order to the complexity of the simplification arm of maximize, reduce cost, simultaneously, reduces a set of image acquisition device, makes system positioning algorithm obtain further simplification.

In this embodiment, since the positions of the three marker points in the first coordinate system are known, the newly added point can be quickly located based on the three marker points, and the location efficiency and the location accuracy are improved.

In this embodiment, the wall climbing device may be an active moving device or a passive moving device; when the device is an active moving device, the wall climbing device is in communication connection with the central control equipment and moves through a driving device arranged in the wall climbing device based on a control signal of the central control equipment; when the device is moved passively, the wall climbing device is driven by the mechanical arm to move along the outer wall of the vehicle.

The terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing or implying a particular order or sequence.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A movable charging device comprises charging equipment, and is characterized by further comprising a track walking device, a storage battery and a mechanical arm;

2. The mobile charging apparatus of claim 1, wherein the dc output circuit of the charging device is connected to a charging circuit of the battery.

3. The mobile charging apparatus of claim 2, wherein the track-bound device further comprises a wireless transceiver circuit for communicating with an external device.

4. A mobile charging apparatus according to claim 3, wherein the rail running gear is further provided with a fixing device by which the rail running gear can be fixed to the running rail.

5. The mobile charging apparatus according to claim 4, wherein the fixing device comprises a pincer-like clasping structure that clasps the running rail, and a driving device for switching the state of the pincer-like clasping structure.

6. The mobile charging apparatus according to any one of claims 1 to 5, wherein the power supply interface comprises a guide portion of a frustum structure that matches a power supply interface of a wide-mouth conical barrel structure of an external power supply system.

7. The mobile charging device of claim 6, wherein the power interface further comprises a latch for engaging with the power interface.

8. The mobile charging device according to any one of claims 1 to 5, wherein the first image capturing device is disposed on a side of the track-running gear body facing the parking space, and is configured to capture an image of the vehicle to be charged.

9. The mobile charging apparatus of claim 8, wherein the second image capturing device is disposed at an end of the robotic arm distal from the rail car for capturing images of a field of view in front of the end of the robotic arm.