CN106655299B - Wireless charging device and system - Google Patents
Wireless charging device and system Download PDFInfo
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- CN106655299B CN106655299B CN201510707897.6A CN201510707897A CN106655299B CN 106655299 B CN106655299 B CN 106655299B CN 201510707897 A CN201510707897 A CN 201510707897A CN 106655299 B CN106655299 B CN 106655299B
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Abstract
The invention relates to a wireless charging device and a wireless charging system. The wireless charging device is used for charging a machine and comprises an elastic structure, a transmitting end and a receiving end, wherein the elastic structure is arranged on the ground and is inclined relative to the ground; the transmitting end is arranged on the elastic structure; the receiving end is used for being installed on a machine; when charging, the elastic structure is compressed due to the gravity of the machine, so that the transmitting end is parallel to the ground, and the transmitting end is opposite to the receiving end for charging; when not charging, the transmitting end is in an inclined state relative to the ground under the action of the elastic structure. Above-mentioned wireless charging device and system can realize keeping flat and aim at the charging to foreign matter clearance such as metal on the transmitting terminal, prevents to be disturbed or damaged because of foreign matters such as metal between transmitting terminal and the receiving terminal, guarantees the safety of charging.
Description
Technical Field
The present invention relates to the field of wireless charging technologies, and in particular, to a wireless charging device and a wireless charging system.
Background
The wireless charging technology is a device which uses near-field induction, i.e. inductive coupling, to transfer energy from a power supply device to a power consumer, and uses the received energy to charge a battery and simultaneously provide the power consumer with its own operation. Because the device and the electric equipment transmit energy by inductive coupling, the device and the electric equipment are not connected by wires.
The wireless charging device generally comprises a transmitting end and a receiving end, and the coils of the transmitting end and the receiving end are subjected to energy transfer to perform charging. Wireless charging devices are widely used in various electronic devices, such as robotic lawnmowers. When the wireless charging is applied to the automatic mower, the transmitting end is arranged at a fixed position on the ground, and the receiving end is arranged on the automatic mower. When having foreign matter such as metal on the transmitting terminal, because the transmitting terminal is kept flat on the bottom surface, foreign matter such as metal still remains on the transmitting terminal, during charging, the existence of foreign matter such as metal can cause the coil overheated and damage the charging coil to unable normal charging. In addition, if there are other foreign objects between the transmitting end and the receiving end, the near field induction effect may be affected, and the charging efficiency is reduced.
Disclosure of Invention
Therefore, it is necessary to provide a wireless charging device and a wireless charging system for cleaning the foreign object at the transmitting end.
A wireless charging device for charging a machine, comprising:
the elastic structure is used for being installed on the ground and is inclined relative to the ground;
an emitter end disposed on the resilient structure; and
a receiving end for mounting on a machine;
when the charging device is charged, the elastic structure is compressed by a machine, the elastic structure drives the transmitting end to move, the transmitting end is parallel to the ground, and the transmitting end is opposite to the receiving end to charge; when the machine is not charged, the machine carries the receiving end to leave the elastic structure, and the transmitting end is restored to be in an inclined state relative to the ground under the action of the elastic structure.
Above-mentioned wireless charging device, through setting up elastic construction, this elastic construction is used for installing subaerial, and the relative ground tilt state of elastic construction, the transmitting terminal sets up on elastic construction, thereby the transmitting terminal also is the tilt state relatively ground under elastic construction's effect, thereby when there are foreign matters such as metal in the transmitting terminal, foreign matters such as metal can automatic clearance, and when charging, elastic construction receives the effect of the self gravity of machine, elastic construction receives the compression effect, make transmitting terminal and ground parallel, at this moment, receiving terminal and transmitting terminal are relative, charge.
In one embodiment, the elastic structure comprises a fixing part, a plate and a spring, the fixing part is used for being installed on the ground, one end of the plate is movably connected with the fixing part, the plate moves relative to the fixing part in the direction perpendicular to the ground, one end of the spring is used for being installed on the ground, and the other end of the spring is arranged at the other end of the plate.
In one embodiment, the fixed portion is hinged to the plate and has a height equal to the height of the spring at maximum compression.
In one embodiment, the spring is a compression spring, a tension spring or a torsion spring.
In one embodiment, two tracks for the machine to walk are arranged on the plate, and the tracks are symmetrically or asymmetrically distributed.
In one embodiment, the two sides of the plate are respectively provided with a track for the machine to walk.
In one embodiment, the included angle between the elastic structure and the ground in the free state is greater than 0 degree and less than or equal to 45 degrees.
A wireless charging system comprises a machine and the wireless charging device, wherein the wireless charging device is used for charging the machine, an elastic structure is used for being installed on the ground, a transmitting end is arranged on the elastic structure, and a receiving end is installed on the machine; when the machine is charged, the elastic structure is compressed by the machine, the elastic structure drives the transmitting end to move, the transmitting end is parallel to the ground, and the transmitting end is opposite to the receiving end to charge; when the machine is not charged, the machine carries the receiving end to leave the elastic structure, and the transmitting end is restored to be in an inclined state relative to the ground under the action of the elastic structure.
Above-mentioned wireless charging system can realize the foreign matter clearance such as the metal on the transmitting terminal, prevents to be disturbed or damaged because of foreign matters such as metal between transmitting terminal and receiving terminal, guarantees charging safety.
Drawings
FIG. 1 is a schematic structural diagram illustrating an exemplary embodiment of a wireless charging device for recharging an automatic mower;
FIG. 2 is a schematic structural view of the elastic structure shown in FIG. 1;
fig. 3 is a schematic structural diagram of the wireless charging device shown in fig. 1 for wirelessly charging the automatic mower.
Detailed Description
As shown in fig. 1, a wireless charging device 100 of an embodiment includes an elastic structure 110, a transmitting end 120, and a receiving end 130. The resilient structure 110 is adapted to be mounted on the ground 200, and the resilient structure 110 is at an angle θ to the ground 200. The emitting end 120 is disposed on the elastic structure 110, and the emitting end 120 is inclined with respect to the ground 200 by the elastic structure 110.
Specifically, in the embodiment, taking the wireless charging device 100 as an example of an application of the robotic lawnmower, the receiving terminal 130 is installed on the robotic lawnmower 300. The receiving end 130 is electrically connected with a charging management module 310 in the robotic lawnmower 300, the charging management module 310 is electrically connected with a battery pack 320, the receiving end 130 charges the battery pack 320 through the charging management module 310, the battery pack 320 is connected with a motor 330, so that the motor 330 is driven to move, the blade 340 is mounted on the motor 330, the blade 340 is driven to move, and the robotic lawnmower 300 cuts in the moving process.
Referring to fig. 2, the elastic structure 110 includes a fixing portion 111, a plate 112, and a spring 113. The fixing portion 111 is fixedly installed on the ground 200, one end of the plate 112 is movably connected with the fixing portion 111, the plate 112 moves relative to the fixing portion 111 in a vertical direction, one end of the spring 113 is fixed on the ground 200, and the other end of the spring 113 is fixed on the other end of the plate 112, so that the plate 112 forms a certain angle with the ground 200 under the elastic force of the spring 113.
In the present embodiment, the fixing portion 111 and the plate 112 are hinged, and the height of the fixing portion 111 is equal to the height of the spring 113 at the maximum compression, so that the plate 112 can be parallel to the floor 200 when the spring 113 is compressed by applying pressure to the plate 112.
The spring 113 is a compression spring, a tension spring, a torsion spring, or other springs. When the spring 113 is a compression spring, the plate 112 is in an inclined state under the pressure action of the compression spring, and the angle θ between the plate 112 and the ground 200 is greater than 0 degree and less than or equal to 45 degrees, so that the emitting end 120 is inclined; when the spring 113 is a tension spring, the plate 112 is inclined by the tension of the tension spring, so that the emitting end 120 is inclined; when the spring 113 is a torsion spring, the plate 112 is inclined by the torsion force of the torsion spring, so that the emitting end 120 is inclined.
The fixing portion 111 may be a rotating shaft, and the plate 112 may move in the vertical direction around the rotating shaft.
The robotic lawnmower 300 cuts along a predetermined path, and when the robotic lawnmower 300 needs to be charged, the robotic lawnmower 300 travels to a predetermined location where the wireless charging device 100 is installed for charging.
In this embodiment, in order to facilitate the automatic mower 300 to walk on the board 112, two tracks are disposed on the board 112, the two tracks are symmetrically distributed on the board 112, and the distance between the two tracks is equal to the distance between the rear wheels of the automatic mower 300, so that when the automatic mower 300 needs to be charged, the automatic mower 300 moves along the tracks, the automatic mower 300 rolls the board 112, the spring 113 is compressed by the self-gravity of the automatic mower 300 until the spring 113 is in the maximum compression state, and the height of the fixing portion 111 is equal to the height of the spring 113 in the maximum compression state, so that the transmitting end 120 is in a flat state, and the transmitting end 120 is parallel to the ground 200, as shown in fig. 3. It should be noted that the two tracks may also be asymmetrically distributed on the plate 112.
Referring again to FIG. 3, the length of the plate 112 is less than the body length of the robotic lawnmower 300, and the length of the plate 112 is greater than half the body length of the robotic lawnmower 300, such that when the robotic lawnmower 300 travels along the track to a stop, the receiving end 130 mounted on the robotic lawnmower 300 is approximately parallel to the ground 200, such that the receiving end 130 and the transmitting end 120 are approximately parallel, and the receiving end 130 and the transmitting end 120 are opposite, such that the transmitting end 120 and the receiving end 130 lie flat and aligned for charging, thereby charging the robotic lawnmower 300. Since the height of the fixing portion 111 is small, the charging efficiency is not affected even if the receiving end 130 and the transmitting end 120 are approximately parallel.
In another embodiment, the length of the plate 112 is greater than the length of the body of the robotic lawnmower 300, such that when the robotic lawnmower 300 orbits the compression spring 113, the entire body of the robotic lawnmower 300 can rest on the plate 112, thereby aligning the receiving end 130 and the emitting end 120 on the robotic lawnmower 300.
And when the robotic lawnmower 300 need not charge, the robotic lawnmower 300 leaves the elastic structure 110, the board 112 is the tilt state under the effect of spring 113, thereby the transmitting terminal 120 of setting on the board 112 also is the tilt state, and then when there are foreign matters such as metal on the transmitting terminal 120, because the transmitting terminal 120 is the tilt state, so foreign matters such as metal can't be preserved, can fall off from the transmitting terminal 120 under its own gravity effect, thereby guarantee when the robotic lawnmower 300 charges, can not damage the charging coil because the coil is overheated because of the existence of foreign matters such as metal, and then guarantee the normal charging of robotic lawnmower 300.
It should be noted that two rails may be disposed on two sides of the plate 112, and the rails may be fixedly connected to the plate 112 by bolts or the like.
Above-mentioned wireless charging device 100, through installing elastic structure 110 on ground 200, this elastic structure 110 is the tilt state relative to ground 200, transmitting terminal 120 sets up on elastic structure 110, thereby transmitting terminal 120 also is the tilt state relative to ground 200 under elastic structure 110's effect, thereby when transmitting terminal 120 has foreign matters such as metal, foreign matters such as metal can automatic be cleared up, and during the charging, elastic structure 110 receives the effect of the self gravity of machine, elastic structure 110 receives the compression effect, make transmitting terminal 120 and ground 200 parallel, and receiving terminal 130 on the machine is relative with transmitting terminal 120, transmitting terminal 120 and receiving terminal 130 are kept flat and are aimed at charging. Through the setting of elastic structure 110, can not only realize keeping flat and aim at the charging to foreign matter clearance such as metal on the transmitting terminal 120, can also realize keeping flat.
As shown in fig. 1, the wireless charging system of an embodiment includes the wireless charging device 100 and a machine 300. In the embodiment, the machine 300 is an automatic lawn mower, the wireless charging device 100 includes a resilient structure 110, a transmitting end 120, and a receiving end 130, the resilient structure 110 is configured to be mounted on the ground 200, and the resilient structure 110 and the ground 200 are at an angle θ. The transmitting end 120 is disposed on the elastic structure 110, the transmitting end 120 is inclined relative to the ground 200 by the elastic structure 110, and the receiving end 130 is mounted on the machine 300.
Further, the elastic structure includes a fixing portion 111, a plate 112, and a spring 113. The fixing portion 111 is fixedly installed on the ground 200, one end of the plate 112 is movably connected with the fixing portion 111, the plate 112 moves relative to the fixing portion 111 in a vertical direction, one end of the spring 113 is fixed on the ground 200, and the other end of the spring 113 is fixed on the other end of the plate 112, so that the plate 112 forms a certain angle with the ground 200 under the elastic force of the spring 113.
During charging, the elastic structure 110 is compressed by the machine 300, the elastic structure 110 drives the transmitting end 120 to move, the transmitting end 120 is parallel to the ground 200, and the transmitting end 120 is opposite to the receiving end 130 for charging; when not charging, the machine 300 carries the receiving end 130 to leave the elastic structure 110, and the transmitting end 120 is restored to be inclined with the ground 200 under the action of the elastic structure 110, so that the foreign matters such as metal on the transmitting end can be cleaned, the interference or damage between the transmitting end and the receiving end due to the foreign matters such as metal can be prevented, and the charging safety can be ensured. The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A wireless charging device for charging a machine, comprising:
the elastic structure is used for being installed on the ground and is inclined relative to the ground;
an emitter end disposed on the resilient structure; and
a receiving end for mounting on a machine;
when the machine is charged, the elastic structure is compressed by the machine, the elastic structure drives the transmitting end to move, the transmitting end is parallel to the ground, and the transmitting end is opposite to the receiving end to charge; when the machine is not charged, the machine carries the receiving end to leave the elastic structure, and the transmitting end is restored to be in an inclined state relative to the ground under the action of the elastic structure.
2. The wireless charging device of claim 1, wherein the elastic structure comprises a fixing portion, a plate and a spring, the fixing portion is configured to be mounted on the ground, one end of the plate is movably connected to the fixing portion, the plate moves relative to the fixing portion in a direction perpendicular to the ground, one end of the spring is configured to be mounted on the ground, and the other end of the spring is disposed at the other end of the plate.
3. The wireless charging device of claim 2, wherein the fixing portion is hinged to the plate, and the height of the fixing portion is equal to the height of the spring at maximum compression.
4. The wireless charging device of claim 2, wherein the spring is a compression spring, a tension spring, or a torsion spring.
5. The wireless charging device of claim 2, wherein the plate is provided with two tracks for the machine to travel, and the tracks are symmetrically or asymmetrically distributed.
6. The wireless charging device of claim 2, wherein the board is provided with rails on both sides thereof for the machine to travel.
7. The wireless charging device of claim 1, wherein an angle between the elastic structure and the ground in the free state is greater than 0 degree and less than or equal to 45 degrees.
8. A wireless charging system comprising a machine and a wireless charging apparatus according to any one of claims 1 to 7, the wireless charging apparatus charging the machine, the resilient structure being adapted to be mounted on the ground, the transmitting end being disposed on the resilient structure, the receiving end being mounted on the machine; when the machine is charged, the elastic structure is compressed by the machine, the elastic structure drives the transmitting end to move, the transmitting end is parallel to the ground, and the transmitting end is opposite to the receiving end to charge; when the machine is not charged, the machine carries the receiving end to leave the elastic structure, and the transmitting end is restored to be in an inclined state relative to the ground under the action of the elastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707897.6A CN106655299B (en) | 2015-10-27 | 2015-10-27 | Wireless charging device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707897.6A CN106655299B (en) | 2015-10-27 | 2015-10-27 | Wireless charging device and system |
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| Publication Number | Publication Date |
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| CN106655299A CN106655299A (en) | 2017-05-10 |
| CN106655299B true CN106655299B (en) | 2020-02-28 |
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| CN201510707897.6A Active CN106655299B (en) | 2015-10-27 | 2015-10-27 | Wireless charging device and system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756124B (en) * | 2019-03-29 | 2022-04-15 | 苏州宝时得电动工具有限公司 | Automatic walking equipment and control method thereof, wireless charging device and control method thereof |
| CN112751431A (en) * | 2019-10-31 | 2021-05-04 | 苏州宝时得电动工具有限公司 | Foreign matter cleaning method, foreign matter cleaning device and automatic mower system |
| JP7469931B2 (en) | 2020-03-27 | 2024-04-17 | 本田技研工業株式会社 | Mobile charging device, charging system, control method, program and medium for mobile charging device |
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| CN201562735U (en) * | 2009-10-14 | 2010-08-25 | 浙江亚特电器有限公司 | Intelligent grass cutter charging seat and intelligent grass cutter |
| CN103051006A (en) * | 2011-10-14 | 2013-04-17 | 致伸科技股份有限公司 | Wireless charger with guiding and positioning functions |
| CN104124730A (en) * | 2014-05-14 | 2014-10-29 | 杭州菲沃机器人科技有限公司 | Charging device of intelligent mower and charging method thereof |
| CN205195321U (en) * | 2015-10-27 | 2016-04-27 | 苏州宝时得电动工具有限公司 | Wireless charging device and wireless charging system |
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2015
- 2015-10-27 CN CN201510707897.6A patent/CN106655299B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201562735U (en) * | 2009-10-14 | 2010-08-25 | 浙江亚特电器有限公司 | Intelligent grass cutter charging seat and intelligent grass cutter |
| CN103051006A (en) * | 2011-10-14 | 2013-04-17 | 致伸科技股份有限公司 | Wireless charger with guiding and positioning functions |
| CN104124730A (en) * | 2014-05-14 | 2014-10-29 | 杭州菲沃机器人科技有限公司 | Charging device of intelligent mower and charging method thereof |
| CN205195321U (en) * | 2015-10-27 | 2016-04-27 | 苏州宝时得电动工具有限公司 | Wireless charging device and wireless charging system |
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