Battery wireless charging structure of sweeper

Abstract

The utility model discloses a wireless charging structure for a battery of a sweeper, which comprises a wireless charging sweeper and a wireless charging seat, a storage battery for supplying power and a wireless charging receiving device are arranged in the wireless charging sweeper, and the wireless charging receiving device corresponds to the wireless charging seat and is in wireless connection with the wireless charging seat. The wireless charging receiving device is electrically connected with the storage battery, the wireless charging receiving device comprises a charging induction coil and a charging module, and the charging induction coil is coupled to the surface of one side, facing the bottom of the wireless charging sweeper, of the storage battery. According to the utility model, the charging induction coil of the wireless charging receiving device is coupled to the storage battery, so that the problem that the internal structure of the sweeper needs to be additionally changed for mounting the receiving coil is solved, and the wireless charging receiving device is convenient to overhaul and replace; and by adopting the battery bracket, the mounting stability and the impact safety of the storage battery can be improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of household cleaning equipment, in particular to a wireless charging structure for the battery of a floor sweeper. Background Technique

[0002] The application of wireless charging technology in the field of floor sweeping robots is gradually popularizing, bringing double improvements in convenience and safety for floor sweeping robots. First of all, the wireless charging technology simplifies the charging process, enabling the floor sweeping robot to automatically start charging as long as it approaches the charging station, getting rid of the cumbersome steps of traditional wired charging; secondly, the floor sweeping robot can be charged at any time during the working process, reducing the time interrupted due to charging. Especially in environments that require long-term continuous work, such as large squares and airports, wireless charging significantly improves work efficiency and continuity; thirdly, the wireless charging system has a longer service life due to no wear of physical interfaces, thus reducing the long-term maintenance cost of the equipment; fourthly, wireless charging eliminates the exposed cables and contacts during the charging process, reducing the risks of tripping and electric shock; finally, the wireless charging technology can be designed into a fully enclosed structure, effectively preventing the intrusion of rainwater and dust, ensuring stable operation under various harsh conditions.

[0003] CN201721695640.4 discloses a floor sweeper charging system, a wireless charging floor sweeper and a wireless charging stand. The floor sweeper charging system includes a wireless charging floor sweeper and a wireless charging stand. The wireless charging floor sweeper includes a radio receiving module. The radio receiving module includes at least two receiving coils connected in series. The series-connected receiving coils are horizontally installed inside the floor sweeper housing and have a horizontal receiving surface; the charging stand includes a base and a horizontal charging board installed on the base. The charging board has at least two transmitting coils connected in series. The series-connected transmitting coils are horizontally placed inside the charging board to form a horizontal transmitting surface. In this technical solution, the receiving coils for wireless charging are installed on both sides of the universal wheels of the floor sweeper, which requires changing the internal structure of the floor sweeper to facilitate the installation of the receiving coils. At the same time, the installation of the receiving coils inside the floor sweeper is not convenient for maintenance and replacement. Content of the Utility Model

[0004] The purpose of the utility model is to provide a wireless charging structure for the battery of a floor sweeper, to solve the problems that in the prior art, the receiving coils for wireless charging are installed on both sides of the universal wheels of the floor sweeper, which requires changing the internal structure of the floor sweeper to facilitate the installation of the receiving coils, and at the same time, the installation of the receiving coils inside the floor sweeper is not convenient for maintenance and replacement, so as to overcome the deficiencies of the prior art.

[0005] The present utility model provides a wireless charging structure for the battery of a floor sweeper through the following technical solutions, which includes a wireless charging floor sweeper and a wireless charging stand. A storage battery for power supply and a wireless charging receiving device are provided inside the wireless charging floor sweeper. The wireless charging receiving device corresponds to the wireless charging stand and is wirelessly connected thereto. The wireless charging receiving device is electrically connected to the storage battery. The wireless charging receiving device includes a charging induction coil and a charging module. The charging induction coil is coupled to one side surface of the storage battery facing the bottom of the wireless charging floor sweeper.

[0006] Further, the storage battery is sleeved with a battery bracket, and the wireless charging receiving device is snap-fitted on the battery bracket.

[0007] Further, the battery bracket is provided with a card slot adapted to the wireless charging receiving device.

[0008] Further, the battery bracket is made of an elastic insulating material.

[0009] Further, the wireless charging receiving device and the storage battery are fixedly bonded by an adhesive.

[0010] Further, there is at least one charging induction coil, and the shape of the coil is one of a circle, an ellipse, a rectangle or a square.

[0011] Further, when there are multiple charging induction coils, the charging induction coils are connected in series.

[0012] Further, the charging induction coil is a Litz coil or a printed circuit board, and the number of layers of each charging induction coil is 1 - 5 layers, and the number of turns of each layer of the coil is 1 - 20 turns.

[0013] The present utility model has the following beneficial effects: The charging induction coil of the wireless charging receiving device is coupled to the storage battery, which solves the problem of the need to additionally modify the internal structure of the floor sweeper for installing the receiving coil, and also facilitates the maintenance and replacement of the wireless charging receiving device. Moreover, the adopted battery bracket can also improve the installation stability and impact safety of the storage battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the wireless charging structure for the battery of a floor sweeper according to the present utility model.

[0015] Figure 2 It is a schematic diagram of the charging induction coil of the wireless charging structure for the battery of a floor sweeper according to the present utility model being bonded to the storage battery.

[0016] Figure 3 It is a schematic diagram of the charging induction coil of the wireless charging structure for the battery of a floor sweeper according to the present utility model being installed on the battery bracket.

[0017] Figure 4 This is a schematic diagram of the battery bracket of the wireless charging structure for the battery of a floor sweeper according to the present utility model.

[0018] Among them, Figures 1 to 4 the corresponding relationship between the reference numerals and the component names in

[0019] is as follows: 1 wireless charging floor sweeper, 2 universal wheels, 3 moving wheels, 4 storage battery, 5 charging induction coil, 6 battery bracket, 7 card slot. Detailed implementation manners

[0020] Next, the technical solutions of the present application will be clearly and completely described in conjunction with the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present application.

[0021] Generally, the components of the embodiments of the present application described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application claimed, but merely represents the selected embodiments of the present application.

[0022] All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0025] Next, refer to Figures 1-4Describe a battery wireless charging structure for a floor sweeper according to some embodiments of the present application.

[0026] The present utility model provides a battery wireless charging structure for a floor sweeper through the following technical solutions, which includes a wireless charging floor sweeper 1 and a wireless charging base. A universal wheel 2 is provided on the front side of the bottom of the wireless charging floor sweeper 1, and moving wheels 3 are provided on both sides of the bottom of the wireless charging floor sweeper 1. A storage battery 4 for power supply and a wireless charging receiving device are provided inside the wireless charging floor sweeper 1. The wireless charging receiving device corresponds to the wireless charging base and is wirelessly connected, and the wireless charging receiving device is electrically connected to the storage battery 4.

[0027] The wireless charging receiving device includes a charging induction coil 5 and a charging module, wherein the charging induction coil 5 is coupled to one surface of the storage battery 4 facing the bottom of the wireless charging floor sweeper 1.

[0028] After the wireless charging floor sweeper 1 enters the charging position, the wireless charging base and the wireless charging receiving device correspond to each other to achieve wireless connection. The charging induction coil 5 receives the electromagnetic wave emitted by the wireless charging base and converts it into an electric current, and the electric current flows through the charging module to charge the storage battery 4.

[0029] In an embodiment of this solution, as shown in the appendix Figures 3-4 The storage battery 4 is sleeved with a battery bracket 6, and a slot 7 adapted to the charging induction coil 5 is provided on the battery bracket 4. The charging induction coil 5 is snapped into the slot 7 to realize that the charging induction coil 5 is snap-connected to the battery bracket 6. Among them, the battery bracket 4 is made of an elastic insulating material, so that the battery bracket 6 can not only realize the installation and fixation of the charging induction coil 5, but also improve the installation stability and impact safety of the storage battery 4.

[0030] In another embodiment of this solution, as shown in the appendix Figure 2 The charging induction coil 5 and the storage battery 4 are adhesively fixed by an adhesive.

[0031] The number of the charging induction coils 5 is at least one, and its shape can be one of a circle, an ellipse, a rectangle or a square. When there are multiple charging induction coils 5, the coils are connected in series. The charging induction coil 5 can be a Litz coil or a printed circuit board, the number of layers of each coil is 1-5 layers, and the number of turns of each layer of the coil is 1-20 turns.

[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A battery wireless charging structure for a sweeping machine, comprising a wireless charging sweeping machine and a wireless charging seat, wherein the wireless charging sweeping machine is provided with a battery for power supply and a wireless charging receiving device, wherein the wireless charging receiving device corresponds to the wireless charging seat and is wirelessly connected, wherein the wireless charging receiving device is electrically connected to the battery, and wherein the wireless charging receiving device comprises a charging induction coil and a charging module, wherein: The charging induction coil is coupled to a side surface of the battery facing the bottom of the wireless charging sweeper.

2. The wireless battery charging structure of a sweeping machine according to claim 1, characterized in that: The battery sleeve is provided with a battery bracket, and the charging induction coil is clamped on the battery bracket.

3. The wireless battery charging structure of a sweeping machine according to claim 2, characterized in that: The battery bracket is provided with a card slot adapted to the charging induction coil.

4. The wireless battery charging structure of a sweeping machine according to claim 3, characterized in that: The battery bracket is made of elastic insulating material.

5. The wireless battery charging structure of a sweeping machine according to claim 1, characterized in that: The charging induction coil is bonded and fixed to the battery by an adhesive.

6. A wireless battery charging structure for a sweeping machine according to any one of claims 1 to 5, characterized in that: There is at least one charging induction coil, and the shape of the coil is one of circular, elliptical, rectangular or square.

7. The wireless battery charging structure of a sweeping machine according to claim 6, characterized in that: When there are multiple charging induction coils, the charging induction coils are connected in series.

8. A wireless battery charging structure for a sweeping machine according to any one of claims 1 to 5, characterized in that: The charging induction coil is a Litz coil or a printed circuit board. The number of layers of each charging induction coil is 1-5 layers, and the number of turns of each layer of the coil is 1-20 turns.

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