WO2020125450A1

WO2020125450A1 - Intelligent mower

Info

Publication number: WO2020125450A1
Application number: PCT/CN2019/123623
Authority: WO
Inventors: 陈秀连; 姜义邦
Original assignee: 苏州宝时得电动工具有限公司
Priority date: 2018-12-21
Filing date: 2019-12-06
Publication date: 2020-06-25
Also published as: CN209403052U

Abstract

An intelligent mower, comprising a body (110), a battery pack (120), and a damping part (130), wherein the battery pack is detachably connected to the body, and the damping part is provided between the battery pack and the body to dampen the vibration between the battery pack and the body, thereby improving the safety and operational reliability of the battery pack.

Description

Smart lawn mower

This application requires the priority of the Chinese patent application with the application date of December 21, 2018 and the application number of 201822144239.2, the entire content of which is incorporated by reference in this application.

Technical field

The invention relates to the field of lawn mowers, in particular to an intelligent lawn mower.

Background technique

In the prior art, the battery pack of the intelligent lawnmower is not removable, and the battery pack and the machine are connected by a flexible cord. The vibration of the battery pack will not affect the electrical connection between the battery pack and the machine. However, in the prior art, a smart lawnmower with a non-removable battery pack, the battery pack is only suitable for the smart lawnmower, and cannot be used in common with other electric tools, resulting in poor applicability of the battery pack.

Summary of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present invention is to propose an intelligent lawnmower, which has advantages of good safety performance.

The present invention may adopt the following technical solution: An intelligent lawn mower, including:

A body, the body including a first plug-in terminal for electrically connecting with the battery pack;

Cutting module, used to perform cutting tasks;

A walking module, used to drive the intelligent lawnmower to walk;

A control module for controlling the intelligent lawnmower to autonomously walk and perform cutting tasks;

A battery pack for powering the intelligent lawnmower, the battery pack is detachably connected to the body, the battery pack includes a second plug for electrically connecting with the first plug terminal Connect terminal

A shock absorbing member, the shock absorbing member is at least partially disposed between the battery pack and the body to buffer vibration between the battery pack and the body.

Further, the fuselage and the battery pack respectively include a fuselage mating part and a battery pack mating part mated with each other, and the shock absorber is at least partially disposed on the fuselage mating part and the battery Between the matching parts of the package.

Further, the body fitting part and the battery pack fitting part respectively include a body up and down fitting part and the battery pack up and down fitting part which are mutually matched in the up and down direction, and the shock absorber is at least Partly disposed between the upper and lower matching parts of the body and the upper and lower matching parts of the battery pack.

Further, the body fitting part and the battery pack fitting part respectively include a left and right body fitting part and a battery pack left and right fitting part which are mutually matched in the left-right direction, and the shock absorber is at least Partly disposed between the left and right matching parts of the body and the left and right matching parts of the battery pack.

Further, the shock absorber is located on a side of the body fitting portion and the battery pack fitting portion away from the first plug terminal and the second plug terminal, respectively.

Further, the shock absorber is provided on at least one of the body and the battery pack.

Further, one end of the shock absorber is fixed to one of the body and the battery pack, and the other end of the shock absorber is in resistive contact with the other of the body and the battery pack.

Further, the shock absorber is independently disposed between the body and the battery pack, and opposite ends of the shock absorber respectively bear the body and the battery pack.

Further, the shock-absorbing member is an elastic member.

Further, the shock absorber includes at least one of a rubber column, a rubber pad, and a spring.

Further, the damping member includes at least two damping units arranged at intervals.

Further, the shock absorber includes a first component and a second component that can attract each other, the first component and the second component are respectively disposed on the body and the battery pack, the first At least one of the component and the second component is a magnetic member.

Further, the fuselage includes a mounting groove for accommodating the battery pack, and the shock absorber at least partially protrudes from an inner wall of the mounting groove.

Further, the first plug-in terminal is accommodated in the mounting slot, and the shock-absorbing member is disposed on a side of the mounting slot away from the first plug-in terminal.

Further, the body further includes an insulating body for accommodating the first plug-in terminal, and the insulating body is accommodated in the mounting groove.

In the embodiments of the present invention, by providing a vibration damping member between the battery assembly and the body, the vibration of the battery assembly caused by machine vibration can be reduced, and the safety and reliability of the battery assembly can be improved.

BRIEF DESCRIPTION

The above and/or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

FIG. 1 is a perspective schematic view of a cover of an intelligent lawn mower according to an embodiment of the present invention being opened;

2 is a schematic partial cross-sectional view of the intelligent lawnmower in FIG. 1;

FIG. 3 is a partially enlarged schematic view at A in FIG. 2;

4 is a partial structural schematic diagram of an intelligent lawn mower according to an embodiment of the present invention;

5 is a schematic partial cross-sectional view of the intelligent lawnmower of FIG. 4;

FIG. 6 is a partially enlarged schematic view at B in FIG. 5.

detailed description

Hereinafter, embodiments of the present invention will be described in detail. Examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be construed as limiting the present invention.

The intelligent lawnmower 100 according to an embodiment of the present invention will be described below with reference to FIGS. 1 to 6. It should be noted that the intelligent lawnmower 100 includes a casing, a walking module for driving the casing, a cutting module for performing cutting tasks, and a control module for controlling the autonomous walking and working of the intelligent lawnmower, such as As shown in FIG. 1, an intelligent lawnmower 100 according to an embodiment of the present invention includes a body 110, a battery pack 120 and a shock absorber 130.

Specifically, the battery pack 120 can be used to supply power to the smart lawnmower 100, and the battery pack 120 is detachably connected to the body 110. It should be noted that “removable” here means that the user (the main body of the smart lawn mower) can detach the battery pack 120 from the body 110 by himself, or install the battery pack 120 on the body 110 by himself. That is, the user can disassemble and install the battery pack 120 without using professional operators and professional tools. Specifically, the battery pack and the fuselage can be quickly plugged together. Among them, the quick pluggable means that the battery pack can be quickly installed into the fuselage, and can also be quickly detached from the fuselage to facilitate user access. And install the battery pack, for example, the battery pack is connected to the fuselage through a quick pluggable connector.

In this embodiment, the body 110 may be provided with a first plug terminal 112, and the battery pack 120 is provided with a second plug terminal, and the first plug terminal 112 and the second plug terminal may be directly mated When the battery pack 120 needs to be installed on the body 110, the second plug terminal can be directly connected to the first plug terminal 112, so that the battery pack 120 can be installed on the body 110; When the battery pack 120 is detached from the body 110, the second plug terminal is unplugged from the first plug terminal 112 to separate the first plug terminal 112 and the second plug terminal, thereby the battery can be removed The bag 120 is detached from the body 110.

It should be noted that in the prior art, the battery pack of the smart lawnmower is not detachable, and the battery pack and the body are connected by a flexible cord. Only when the lawnmower is in motion, the vibration of the body is difficult to transfer to the battery pack Therefore, the vibration prevention of the battery pack is not involved. In the embodiment of the present invention, because the battery pack 120 is detachably connected to the body 110, the vibration at the body 110 is easily transmitted to the battery pack 120, which is easy As a result of the battery pack falling off, causing battery pack fire, noise, breakage and other undesirable phenomena, the battery pack 120 needs to be shock-proofed.

As shown in FIG. 5, according to some embodiments of the present invention, the body 110 may further include an insulating body 113 for accommodating the first plug-in terminal 112. The insulating body 113 is fixed to the body 110 so that the first plug-in terminal 112 is fixed in the body 110. The insulating body 113 and the first plug-in terminal 112 housed in the insulating body 113 form a quick-pluggable connector on the body. Correspondingly, the second plug-in terminal on the battery pack 120 and the The body of the two plug-in terminals forms a quick-pluggable connector on the battery pack.

The shock absorber 130 is at least partially disposed between the battery pack 120 and the body 110 to buffer the vibration between the battery pack 120 and the body 110. It should be noted that when the smart lawnmower 100 is mowing or walking, vibration, bumps, etc. may occur. Since the battery pack 120 and the body 110 are detachably connected, the structure at the connection position of the two is likely to cause the battery pack 120 and the body 110 to be separated from each other or a gap may occur during vibration and collision, thereby This leads to short circuits and open circuits between the two. In addition, when the battery pack 120 and the body 110 vibrate or bump, the first plug-in terminal 112 and the second plug-in terminal rub against each other, which is likely to cause a fire phenomenon, thereby affecting the normal use of the battery pack 120. Potential safety hazards.

According to the intelligent lawnmower 100 according to an embodiment of the present invention, by providing a vibration damping member between the battery pack 120 and the body 110, the vibration of the battery pack 120 can be reduced, and the safety and reliability of the battery pack 120 can be improved.

The fuselage 110 and the battery pack 120 respectively include a fuselage fitting part 114 and a battery pack fitting part 124 which are mutually matched. The fuselage fitting part 114 refers to a part of the intelligent lawn mower 100 which cooperates with the battery pack 120. For example, as shown in FIGS. 1 and 3, the battery pack mating portion 114 is generally located around the battery pack 120, and the corresponding intelligent lawnmower 100 has at least part of the surroundings of the battery pack 120 to match the battery pack 120 The place to limit. The shock absorber 130 is at least partially disposed between the body fitting portion 114 and the battery pack 120 fitting portion, so as to reduce the transmission of vibration between parts where the body 110 and the battery pack 120 are in contact with each other. As shown in FIG. 3, the body fitting portion 114 and the battery pack fitting portion 124 respectively include a body upper and lower fitting portion 1141 and a battery pack upper and lower fitting portion 1241 which are mutually matched in the up and down direction, and the shock absorber 130 is at least The part is provided between the upper and lower matching parts 1241 of the body and the upper and lower matching parts 1241 of the battery pack. The body fitting portion 114 and the battery pack fitting portion 124 also include a left and right body fitting portion 1142 and a battery pack left and right fitting portion 1242 that are mutually matched in the left-right direction. The shock absorber 130 may also be at least partially disposed between the left and right matching parts 1142 of the body and the right and left matching parts 1242 of the battery pack.

In one embodiment, the shock absorbing member 130 is located between the side of the body fitting portion 114 and the battery pack fitting portion 124 that is away from the first plug-in terminal 112 and the second plug-in terminal, respectively. The shock absorbing member 130 is located on a side far away from the first plug terminal 112 and the second plug terminal, to avoid the resistance of the shock absorbing member 130, for example, due to the resistance of the shock absorbing member 130 resisting in the vertical direction, As a result, when the first plug-in terminal 112 and the second plug-in terminal are engaged, the contact portion is pushed up by the resisting force, resulting in problems such as insufficient contact.

As shown in FIG. 1, an intelligent lawnmower 100 according to an embodiment of the present invention includes a body 110, a battery pack 120, and a shock absorber 130.

Specifically, as shown in FIG. 1, the battery pack 120 is connected to the body 110. As shown in FIG. 2, the shock absorber 130 is provided between the battery pack 120 and the body 110 to buffer the vibration between the battery pack 120 and the body 110. It should be noted that when the smart lawnmower 100 is mowing or walking, vibration, bumps, etc. may occur. The battery pack 120 and the body 110 may also vibrate or bump, so a gap may occur at the terminal position where the battery pack 120 and the body 110 are connected, and when there is a gap between the two metal conductive parts, it is likely to appear between the two Arcing, which is more likely to cause a fire phenomenon, thus affecting the normal use of the battery pack 120, and serious safety risks.

According to some embodiments of the present invention, as shown in FIGS. 5 and 6, the shock absorber 130 may be provided on the body 110. It should be noted that the installation position of the shock absorbing member 130 is not limited to this. For example, in some embodiments, the shock absorbing member 130 may be provided in the battery pack 120; for another example, in some embodiments, the battery pack 120 and the machine The body 110 may be provided with shock absorbers 130 at the same time. Specifically, in this embodiment, further, one end of the shock absorber 130 is fixed to one of the body 110 and the battery pack 120, and the other end of the shock absorber 130 is in resistive contact with the other of the body 110 and the battery pack 120 . On the one hand, it can improve the reliability of the connection between the shock absorber 130 and the body 110, and between the shock absorber 130 and the battery pack 120, on the other hand, it can also effectively absorb the vibration on the body 110, the battery pack 120 buffers to prevent vibration from being transmitted to the battery pack 120. In this embodiment, one end of the shock absorber 130 is fixed to one of the body 110 and the battery pack 120 to fix the shock absorber 130 directly to the body 110 or the battery pack 120. When the battery pack 120 is assembled to the machine When the body is 110, the shock absorber 130 can be directly resisted to the other of the body 110 and the battery pack 120, without the need to increase the process of removing and installing the shock absorber 130, which facilitates assembly and saves the user from looking for new The space to accommodate the troubles of the shock absorber 130. Of course, in other embodiments, the shock absorber 130 may be directly disposed between the body 110 and the battery pack 120, or the shock absorber 130 may be independently disposed between the body 110 and the battery pack 120. The opposite ends of 130 respectively resist the body 110 and the battery pack 120.

It should be noted that when there is only one shock absorbing member 130, the shock absorbing member 130 may be provided on the body 110, or the shock absorbing member 130 may be provided on the battery pack 120, or a part of the shock absorbing member 130 may be provided On the body 110, another part of the shock absorber 130 may be provided on the battery pack 120; when there are multiple shock absorbers 130, the plurality of shock absorbers 130 may all be provided on the body 110, or, multiple The shock absorbers 130 may all be provided on the battery pack 120, or one or more shock absorbers 130 may be provided on the body 110, and one or more shock absorbers 130 may be provided on the battery pack 120.

In some embodiments, there may be a plurality of shock absorbing members 130, and the plurality of shock absorbing members 130 are arranged at intervals. For example, in the example shown in FIG. 6, the shock absorbers 130 are two spaced apart. Thereby, a plurality of shock absorbers 130 can be used to absorb the vibration of the battery pack 120 to prevent the internal components of the battery pack 120 from being damaged due to vibration, and at the same time, to avoid collision between the battery pack 120 and the body 110, or due to vibration damage.

According to some embodiments of the present invention, the shock absorbing member 130 may include at least two shock absorbing units disposed at intervals. In some embodiments, as shown in FIGS. 2 and 3, the shock absorber 130 may include a first component and a second component, and the first component and the second component attract each other. Among them, at least one of the first component and the second component is a magnetic member, and there is attractive force between the first component and the second component, the first component is provided on the body 110, and the second component is provided on the battery pack 120. For example, when the first member is a magnetic member having magnetism, the second member is a magnetic member that is magnetically opposite to the first member, or the second member is a member that has no magnetism but can be attracted by the first member.

On the one hand, the magnetic attraction between the first part and the second part can be used to make the battery pack 120 stable and securely cooperate with the body 110 to prevent the battery pack 120 from vibrating; on the other hand, the battery pack 120 is installed When it is on the body 110, the magnetic attraction can also be used to guide the battery pack 120 to be mounted on the body 110, so that the battery pack 120 can be aligned with the assembly position, thereby improving the accuracy of the assembly position and improving the assembly efficiency.

According to some embodiments of the present invention, the shock absorbing member 130 may be an elastic member. Further, the shock absorber 130 may be a rubber column, and the rubber column is embedded in the body 110 or the battery pack 120. It should be noted that one end surface on the axis of the rubber column may be embedded on the body 110, and the other end surface on the axis of the rubber column may abut on the battery pack 120; or, one end surface on the axis of the rubber column It can abut on the body 110, and the other end surface on the axis of the rubber column can be embedded on the battery pack 120; or, as shown in FIG. 3, a part of the peripheral wall of the rubber column is embedded on the body 110, the rubber column Another part of the peripheral wall abuts on the battery pack 120; or, a part of the peripheral wall of the rubber pillar abuts on the body 110, and the other part of the peripheral wall of the rubber pillar is embedded on the battery pack 120. In addition, it should be noted that the connection between the rubber column and the fuselage 110 is not limited to this. For example, in some embodiments, the rubber column can also be fixed to the fuselage by other means, such as glue or other adhesive substances. Connected to the fuselage 110, or fixed to the fuselage by screws or other fasteners.

According to some embodiments of the present invention, the shock absorber 130 may be in a sheet shape and be a rubber pad, and the rubber pad is sandwiched between the body 110 and the battery pack 120. Thereby, the contact area between the battery pack 120 and the shock absorbing member 130 and the contact surface member between the body 110 and the shock absorbing member 130 can be increased, so that the vibration damping effect of the shock absorbing member 130 can be improved. In addition, it should be noted that the connection between the rubber pad and the fuselage 110 is not limited to this. For example, in some embodiments, the rubber pad may also be glued to the fuselage 110 by glue; It can be interposed between the body 110 and the battery pack 120 by means of interference fit.

According to some embodiments of the present invention, the shock absorber 130 may be a spring, and one end of the spring is in contact with the body 110 and the other end of the spring is in contact with the battery pack 120. It should be noted that the spring structure has the advantages of good stability, small size, low installation space requirements, and high installation flexibility. By setting the shock absorber 130 as a spring structure, the space between the battery pack 120 and the body 110 can be further improved The assembly stability has a good buffering effect on the vibration of the battery pack 120.

As shown in FIGS. 2 and 3, according to some embodiments of the present invention, the battery pack 120 may include: a mounting base 121 and a battery pack body 122. Wherein, the mounting base 121 is connected to the body 110, the battery pack body 122 is connected to the mounting base 121, and the shock absorber 130 may be interposed between the battery pack body 122 and the body 110. On the one hand, the mounting base 121 can be used to protect the battery pack body 122 to prevent the pole pieces inside the battery pack body 122 from breaking or catching fire; on the other hand, it is also convenient to install the battery pack body 122 on the body 110, thereby The stability of the installation of the battery pack 120 and the body 110 can be improved.

In order to further improve the assembly stability of the battery pack 120 and the body 110, according to some embodiments of the present invention, the body 110 includes an installation slot 111 for accommodating the battery pack 120 and a battery and a battery The first plug-in terminal 112 electrically connected to the pack 120. The battery pack 120 includes a second plug-in terminal electrically connected to the first plug-in terminal 112. The mounting groove 111 is provided with an inner wall 118. The inner wall 118 and the outer surface of the battery pack 120 cooperate with each other. The portion where the inner wall 118 and the battery pack 120 cooperate may also be called a body fitting portion 114. The shock absorbing member 130 at least partially protrudes from the inner wall 118, so that when the outer surface of the battery pack 120 is mounted on the inner wall 118, the protruding shock absorber 130 resists the battery pack 120 to prevent the battery pack 120 from shaking. Thus, the battery pack 120 can be stably and securely assembled on the body 110. The shock absorbing member 130 may be disposed on the side of the mounting groove 111 away from the first plug terminal 112 to prevent the side where the first plug terminal 112 and the second plug terminal butt from being subjected to excessive resisting force, which may cause contact portions Become smaller, or poor contact.

For example, as shown in FIGS. 4-6, the body 110 is provided with a mounting slot 111, a first insertion terminal 112 is provided in the mounting slot 111, a battery pack 120 is provided in the mounting slot 111, and a second plug of the battery pack 120 is inserted The connection terminal is adapted to be electrically connected to the first plug terminal 112. Further, the intelligent lawnmower 100 may further include a cover 140 that is pivotally connected to the body 110 to open or close the installation slot 111. Thus, the battery pack 120 can be further protected by the cover 140.

In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", "axial", "circumferential", etc. indicate the orientation or positional relationship based on the drawings The orientation or positional relationship shown is only for the convenience of describing the present invention 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 limit. In the description of the present invention, "multiple" means two or more.

In the description of this specification, reference to the descriptions of the terms "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", or "some examples" means to incorporate the implementation The specific features, structures, materials, or characteristics described in the examples or examples are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art may understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and objectives of the present invention, The scope of the invention is defined by the claims and their equivalents.

Claims

An intelligent lawn mower is characterized by comprising:

A body, the body including a first plug-in terminal for electrically connecting with the battery pack;

Cutting module, used to perform cutting tasks;

A walking module, used to drive the intelligent lawnmower to walk;

A control module for controlling the intelligent lawnmower to autonomously walk and perform cutting tasks;

A battery pack for powering the intelligent lawnmower, the battery pack is detachably connected to the body, the battery pack includes a second plug for electrically connecting with the first plug terminal Connect terminal

A shock absorbing member, the shock absorbing member is at least partially disposed between the battery pack and the body to buffer vibration between the battery pack and the body.
The intelligent lawnmower according to claim 1, wherein the body and the battery pack respectively include a body fitting portion and a battery pack fitting portion that are matched with each other, and the shock absorber is at least partially It is provided between the body fitting portion and the battery pack fitting portion.
The intelligent lawnmower according to claim 2, wherein the body fitting portion and the battery pack fitting portion respectively include a body upper and lower fitting portion and the In the upper and lower matching parts of the battery pack, the shock absorber is at least partially disposed between the upper and lower matching parts of the body and the upper and lower matching parts of the battery pack.
The intelligent lawnmower according to claim 2, characterized in that the body fitting portion and the battery pack fitting portion respectively include left and right body fitting portions and the The left and right matching parts of the battery pack, the shock absorber is at least partially disposed between the left and right matching parts of the body and the left and right matching parts of the battery pack.
The intelligent lawnmower according to claim 2, wherein the shock absorber is located on the body fitting portion and the battery pack fitting portion separately from the first plug terminal and the Between one side of the second plug-in terminal.
The intelligent lawnmower according to any one of claims 1 to 5, wherein the shock absorber is provided on at least one of the body and the battery pack.
The intelligent lawnmower according to claim 6, wherein one end of the shock absorbing member is fixed to one of the body and the battery pack, and the other end of the shock absorbing member is connected to the body Make contact with the other one of the battery packs.
The intelligent lawnmower according to any one of claims 1 to 6, wherein the shock absorbing member is independently disposed between the body and the battery pack, and the shock absorbing member is opposite to The two ends respectively resist the body and the battery pack.
The intelligent lawnmower according to claim 1, wherein the shock-absorbing member is an elastic member.
The intelligent lawnmower according to claim 9, wherein the shock absorbing member includes at least one of a rubber column, a rubber pad, and a spring.
The intelligent lawnmower according to claim 1, wherein the shock absorbing member includes at least two shock absorbing units arranged at intervals.
The intelligent lawnmower according to claim 1, wherein the shock absorbing member includes a first component and a second component that can attract each other, and the first component and the second component are respectively disposed on the On the body and the battery pack, at least one of the first component and the second component is a magnetic member.
The intelligent lawnmower according to claim 1, wherein the body includes a mounting groove for accommodating the battery pack, and the shock absorbing member at least partially protrudes from an inner wall of the mounting groove.
The intelligent lawnmower according to claim 13, wherein the first plug-in terminal is received in the mounting slot, and the shock absorber is disposed in the mounting slot away from the first plug-in connector One side of the terminal.
The intelligent lawnmower according to claim 14, wherein the body further comprises an insulating body for accommodating the first plug-in terminal, and the insulating body is accommodated in the mounting groove.