CN216850147U

CN216850147U - Battery mounting structure and controller

Info

Publication number: CN216850147U
Application number: CN202123194909.XU
Authority: CN
Inventors: 黄光明
Original assignee: Shenzhen Inovance Technology Co Ltd
Current assignee: Shenzhen Inovance Technology Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-28
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a battery mounting structure and controller. The battery mounting structure comprises a main control board, a mounting seat and a telescopic piece, wherein the mounting seat is arranged on the main control board and is electrically connected with the main control board, the mounting seat and the main control board are surrounded to form a mounting groove for mounting a battery, the telescopic piece is movably arranged in the mounting groove, and at least one end of a notch of the mounting groove, which is extended out of the telescopic piece, is a stretching end. When the battery is arranged in the mounting groove, the battery, the mounting seat and the main control board are electrically connected in pairs, and the telescopic pieces are attached to the two opposite surfaces of the battery; and an external force is applied to pull the stretching end so as to move the telescopic piece and drive the battery to be stressed to be separated from the mounting groove, so that the battery is convenient to maintain or replace, and the battery box is suitable for being popularized and used in a large quantity.

Description

Battery mounting structure and controller

Technical Field

The utility model relates to a controller power supply system technical field, in particular to battery mounting structure and applied this battery mounting structure's controller.

Background

In the related art, the conventional button cell fixing structure mainly includes the following two types: the battery seat is vertically installed on the PCB, the battery is arranged in the case, the controller is required to be disassembled for complete machine replacement or part of parts of the controller are disassembled for replacement after the service life of the battery is over, and most controllers are installed in the case body with compact space and are not changed in maintenance and replacement; the plug and the socket of the button cell with the wire are installed, the cell is generally arranged in the case, maintenance or disassembly maintenance is needed from the side surface of the controller, the installation structure is complex, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery mounting structure and controller, the battery mounting structure who aims at solving current controller is complicated, inconvenient maintenance and the technical problem who changes.

In order to achieve the above object, the utility model provides a battery mounting structure for install the battery, battery mounting structure includes:

a main control board;

the mounting seat is arranged on the main control board and forms a mounting groove in a surrounding mode with the main control board, the mounting groove is used for mounting a battery, and the mounting seat is electrically connected with the main control board; and

the telescopic piece is movably arranged in the mounting groove, and at least one end of the telescopic piece, which extends out of the notch of the mounting groove, is a stretching end;

when the battery is arranged in the mounting groove, the telescopic pieces are attached to two opposite surfaces of the battery; and pulling the stretching end outwards to enable the telescopic piece to drive the battery to be separated from the mounting groove.

Optionally, spacing hole has been seted up to at least one lateral wall of mounting groove, the extensible member has to wear to locate the stiff end in spacing hole, tensile end with the stiff end is located the both ends of extensible member.

Optionally, the spacing hole runs through and sets up in the main control board, and be close to the notch setting of mounting groove, the stiff end spacing in the main control board deviates from one side of mount pad.

Optionally, the fixing end comprises:

the fixing part is abutted and limited on the outer wall of the mounting groove; and

the connecting part penetrates through the limiting hole, and two ends of the connecting part are respectively connected with the fixing part and the stretching end.

Optionally, the battery mounting structure further comprises:

the first electrode is arranged on the main control board and is positioned between the limiting hole and the notch of the mounting groove, and the first electrode is electrically connected with the main control board; and

the second electrodes are arranged on the main control board at intervals and are electrically connected with the mounting seat;

when the battery is arranged in the mounting groove, one end of the battery is electrically connected with the main control board through the first electrode, and the other end of the battery is electrically connected with the main control board through the mounting seat and the second electrode.

Optionally, the mount includes:

the seat body is arranged on the main control board and is electrically connected with the main control board, and the seat body and the main control board are encircled to form the mounting groove; and

the limiting part is arranged on one side of the base body and is opposite to the notch of the mounting groove, so that the battery is limited in the mounting direction.

Optionally, the base is a conductive structure, and includes:

the mounting part is convexly arranged on the main control board; and

and the two conductive parts are respectively arranged at two ends of the mounting part, and the two conductive parts are electrically connected with the main control board.

Optionally, the installation department is just right one side of main control board is equipped with the preforming, the battery is located when in the mounting groove, preforming elasticity butt the battery deviates from one side of main control board, and with battery electric connection.

Optionally, the telescopic member is made of a flexible material, and the telescopic member is an insulating member.

The utility model discloses still provide a controller, the controller includes:

the shell is provided with a cavity and an opening communicated with the cavity;

the cover body is movably connected with the shell, is arranged close to the opening and is used for opening or covering the opening; and

the battery mounting structure of any one of the above items, the battery mounting structure is arranged in the cavity, and the opening is opposite to and communicated with the notch of the mounting groove of the battery mounting structure.

The utility model discloses technical scheme is through setting up battery mounting structure, and the battery mounting structure of solving current controller is complicated, inconvenient maintenance and the technical problem who changes. The battery mounting structure comprises a main control board, a mounting seat and a telescopic piece, wherein the mounting seat is arranged on the main control board and is electrically connected with the main control board, the mounting seat and the main control board are surrounded to form a mounting groove for mounting a battery, the telescopic piece is movably arranged in the mounting groove, and at least one end of a notch of the mounting groove, which is extended out of the telescopic piece, is a stretching end. When the battery is arranged in the mounting groove, the battery, the mounting seat and the main control board are electrically connected in pairs, and the telescopic pieces are attached to the two opposite surfaces of the battery; and an external force is applied to pull the stretching end so as to move the telescopic piece and drive the battery to be stressed to be separated from the mounting groove, so that the battery is convenient to maintain or replace, and the battery box is suitable for being popularized and used in a large quantity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic partial perspective view of a controller according to an embodiment of the present invention;

fig. 2 is a schematic view of a top-down perspective structure of an embodiment of the battery mounting structure of the present invention;

fig. 3 is a schematic view of a bottom perspective structure of an embodiment of the battery mounting structure of the present invention;

fig. 4 is a schematic perspective view of a battery mounting structure according to an embodiment of the present invention;

fig. 5 is a schematic side cross-sectional structure view of an embodiment of the battery mounting structure of the present invention.

The reference numbers illustrate:

the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection or electrical connection; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 5, fig. 1 is a schematic partial perspective view of a controller 200 according to an embodiment of the present invention; fig. 2 is a schematic view of a top-down perspective structure of an embodiment of the battery mounting structure 100 of the present invention; fig. 3 is a schematic bottom perspective view of the battery mounting structure 100 according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an embodiment of a battery mounting structure 100 according to the present invention; fig. 5 is a schematic side cross-sectional view of an embodiment of the battery mounting structure 100 of the present invention.

Defining the installation direction of the battery 60 of the battery installation structure 100 as a first direction, namely an X axis, the first direction is parallel to the arrangement plane of the main control board 10, and a second direction perpendicular to the first direction in the arrangement plane of the main control board 10 is a Y axis; the direction perpendicular to the main control board 10 is set as the third direction, i.e., the Z-axis, and the following embodiments are explained with the above-mentioned O-XYZ coordinate system as the orientation reference.

The utility model provides a battery mounting structure 100 for install battery 60, fig. 1 is the local schematic diagram of battery mounting structure 100 practical application in controller 200.

Referring to fig. 2 to 4 in particular, the battery mounting structure 100 includes a main control board 10, a mounting seat 30 and a telescopic member 50, wherein the mounting seat 30 is disposed on one side of the main control board 10 and encloses with the main control board 10 to form a mounting groove 10A, the mounting groove 10A is used for mounting a battery 60, and the mounting seat 30 is electrically connected to the main control board 10. The extensible member 50 is movably arranged in the mounting groove 10A, and at least one end of the extensible member 50 extending out of the notch of the mounting groove 10A is a stretching end 51. When the battery 60 is arranged in the mounting groove 10A, the telescopic pieces 50 are attached to two opposite surfaces of the battery 60; the stretching end 51 is pulled outwards so that the telescopic member 50 drives the battery 60 to be separated from the mounting groove 10A.

In this embodiment, the battery mounting structure 100 includes a main control board 10, a mounting seat 30 and an expansion piece 50, the mounting seat 30 is disposed on the main control board 10 and electrically connected to the main control board 10, and the mounting seat 30 and the main control board 10 enclose to form a mounting groove 10A for mounting the battery 60. The telescopic member 50 is movably disposed in the mounting groove 10A, and at least one end of the telescopic member is a stretching end 51, and the stretching end 51 extends out of the notch of the mounting groove 10A. When the battery 60 is arranged in the mounting groove 10A, the telescopic pieces 50 are attached to the two opposite surfaces of the battery 60; the one end that the tensile extensible member 50 stretches out mounting groove 10A to make battery 60 atress break away from mounting groove 10A, be convenient for maintain or change battery 60, it is complicated to solve the battery mounting structure 100 of current controller 200, the inconvenient technical problem of maintaining and changing, is fit for using widely in a large number.

It is understood that the mounting base 30 is a conductive structure, and the mounting base 30 is electrically connected to the battery 60 and the main control board 10 respectively. The installation direction of the battery 60 is the first direction forward direction, the stretching direction of the stretching end 51 is the first direction reverse direction, and the installation direction from the notch of the installation groove 10A to the groove bottom of the installation groove of the present embodiment is the first direction forward direction, that is, the notch direction of the installation groove 10A is opened along the X axis. Extensible member 50 can set up an at least tensile end 51, tensile end 51 stretches out mounting groove 10A, when tensile end 51 is provided with one, extensible member 50 keeps away from the one end of tensile end 51 and is spacing in mounting groove 10A's cell wall, during the installation of battery 60, tensile end 51 is attached in battery 60's surface along with battery 60's installation, when the installation of battery 60 is accomplished, the mounting groove 10A is outside to local tensile end 51 is located, be convenient for take out battery 60, can guarantee the convenient change of battery 60 like this, also do not influence battery 60's installation, promote the life of mount pad 30.

Optionally, at least one sidewall of the mounting groove 10A is opened with a limiting hole 10B, the extensible member 50 has a fixed end 52 penetrating the limiting hole 10B, and the stretching end 51 and the fixed end 52 are located at two ends of the extensible member 50.

In this embodiment, the limiting hole 10B may be opened on at least one sidewall of the mounting groove 10A, and the mounting seat 30 is disposed on the main control board 10 and encloses with the main control board 10 to form the mounting groove 10A. The notch of the mounting groove 10A is disposed toward X, and the mounting seat 30 and the main control board 10 are groove walls of the mounting groove 10A, respectively. The extensible member 50 has a fixed end 52, the fixed end 52 is limited on the side wall of the mounting groove 10A, and the stretching end 51 penetrates through the notch of the mounting groove 10A, so as to facilitate the installation or removal of the battery 60. The limiting hole 10B may be opened on the main control board 10, and the fixing end 52 penetrates through the limiting hole 10B and is limited on a side surface of the main control board 10 away from the mounting base 30; the limiting hole 10B may be opened in the mounting seat 30, and the fixing end 52 penetrates through the limiting hole 10B and is limited on a side surface of the mounting seat 30 departing from the main control board 10. The stretching end 51 moves toward the mounting groove 10A as the battery 60 is loaded, to accommodate the assembly of the battery 60 with the mounting groove 10A. External force is applied and the stretching end 51 is pulled outwards, and along with the movement of the stretching end 51, the battery 60 can move towards the notch of the mounting groove 10A until the battery is separated from the mounting groove 10A, so that the assembly efficiency and the convenience of maintenance and replacement are improved.

Optionally, the limiting hole 10B is disposed through the main control board 10 and disposed adjacent to the notch of the mounting groove 10A, and the fixing end 52 is limited on a side of the main control board 10 departing from the mounting seat 30.

In this embodiment, the limiting hole 10B is disposed through the main control board 10 and disposed adjacent to the notch of the mounting groove 10A, and the fixing end 52 is limited on a side of the main control board 10 departing from the mounting seat 30. The spacing hole 10B is at a distance from the bottom wall of the mounting groove 10A, so that when the battery 60 is mounted, the telescopic piece 50 has movement allowance in the mounting groove 10A; meanwhile, when the battery 60 is taken out, the stretching end 51 also has a movement allowance towards the direction away from the notch, and the battery 60 is driven by the stretching end 51 to move towards the notch of the mounting groove 10A and then to be separated from the mounting groove 10A through the pulling force. The arrangement of the limiting hole 10B improves the assembly stability of the telescopic piece 50 and the main control board 10, so that the battery mounting structure 100 is simple in operation, convenient and reliable, and convenient to maintain and replace the battery 60.

It is understood that the limiting hole 10B may be opened on any side wall of the mounting groove 10A in the Y-axis and Z-axis directions, so as to satisfy the requirement that the expansion element 50 has a movement allowance in the mounting groove 10A to stretch for taking out the battery 60.

Optionally, the telescopic member 50 is made of a flexible material, and the telescopic member 50 is an insulating member.

In this embodiment, the retractable member 50 is made of a flexible material and is an integrally formed structure. The extensible member 50 may be at least one of a silicone material, a rubber material, and a plastic product.

It can be understood that the telescopic member 50 has a stretching end 51, a fixed end 52 and a movable section 53 arranged in the mounting groove 10A, the movable section 53 is flexible and deformable, when the battery 60 is mounted in the mounting groove 10A, the movable section 53 is matched with the battery 60 and is concavely arranged towards the direction away from the notch of the mounting groove 10A to form a U-shaped groove, the battery is arranged in the U-shaped groove, one side of the U-shaped groove extends to be connected with the stretching end 51, and the other side is connected with the fixed end 52 to fix and limit; the tensile end 51 is pulled outwards by force application, the U-shaped groove gradually moves forwards towards the direction of the notch of the mounting groove 10A until the U-shaped groove disappears, the battery 60 is pushed to be separated from the mounting groove 10A in the process, and the battery 60 is convenient to assemble and disassemble.

It will be appreciated that the telescoping member 50 is reusable, and that only the telescoping member 50 need be replaced separately if damaged during use. Telescopic element 50 has a fixed end 52 fixed opposite to the wall of installation slot 10A and a stretching end 51 movably extending out of the notch of installation slot 10A, and a fixing part 521 of fixed end 52 can be glued to the side of main control board 10 away from the installation part, or fastened to the side of main control board 10 away from the installation part by a gasket and a screw.

Referring to fig. 5 in combination, optionally, the fixing end 52 includes a fixing portion 521 and a connecting portion 522, and the fixing portion 521 abuts against and is limited on the outer wall of the mounting groove; the connecting portion 522 is disposed through the limiting hole 10B, and two ends of the connecting portion 522 are respectively connected to the fixing portion 521 and the stretching end 51.

In this embodiment, the side wall of the mounting groove 10A is provided with a limiting hole 10B in a penetrating manner, the fixing end 52 includes a fixing portion 521 and a connecting portion 522, the fixing portion 521 is detachably disposed on the outer side wall main control board of the mounting groove 10A, one end of the connecting portion 522 is connected with the fixing portion 521, the other end is disposed in the limiting hole 10B in a penetrating manner, the extensible member 50 is disposed in the mounting groove 10A and partially connected, the external force is applied to pull the stretching end 51, the connecting portion 522 relatively moves in the limiting hole 10B, the fixing portion 521 is fixed in a limiting manner, and the reliability of the force applied to the battery 60 by stretching is improved.

Optionally, the battery mounting structure 100 further includes a first electrode and a second electrode, the first electrode is disposed on the main control board 10 and located between the limiting hole 10B and the notch of the mounting groove 10A, and the first electrode is electrically connected to the main control board 10; the second electrodes are arranged on the main control board 10 at intervals and electrically connected with the mounting seat 30; when the battery is arranged in the mounting groove, one end of the battery is electrically connected with the main control board through the first electrode, and the other end of the battery is electrically connected with the main control board through the mounting seat and the second electrode.

In this embodiment, battery mounting structure 100 still includes two first electrodes and two second electrodes, and main control board 10 is located to two first electrode intervals to be located between spacing hole 10B and the notch of mounting groove 10A, the movable section 53 of extensible member 50 forms the U type groove when the battery is installed into mounting groove 10A, and two first electrodes are located outside the U type groove notch, then movable section 53 does not influence the electric connection of two first electrodes and main control board 10, battery 60. The two second electrodes are disposed on the main control board 10 at intervals and located outside the mounting groove 10A, and two ends of the mounting seat 30 are electrically connected to the two second electrodes respectively. One of the positive electrode and the negative electrode of the battery 60 is electrically connected to the main control board 10 through two first electrodes, the other is electrically connected to the second electrode through the mounting seat 30, and the second electrode is electrically connected to the main control board 10, so as to form a closed circuit. Wherein, two first electrodes are located on the route between the notch of spacing hole 10B to mounting groove 10A, avoid the movable section 53 of extensible member 50 to shelter from first electrode, increase the structural stability of battery 60 installation and with the electric connection stability of main control board 10.

Optionally, the mounting seat 30 includes a seat body 31 and a limiting member 32, the seat body 31 is disposed on the main control board 10 and electrically connected to the main control board 10, and the seat body 31 and the main control board 10 enclose to form a mounting groove 10A; the limiting member 32 is disposed on one side of the seat 31 and opposite to the notch of the mounting groove 10A to limit the battery 60 in the mounting direction.

In this embodiment, the socket includes a socket body 31 and a limiting member 32, a mounting groove 10A is defined between the socket body 31, the limiting member 32 and the main control board 10 and is electrically connected to the main control board 10, and the battery 60 is electrically connected to the second electrode of the main control board 10 through the socket body 31. One end of the limiting member 32 is connected to the base 31, and the other end extends toward the main control board 10, that is, the limiting member 32 extends in the Z-axis direction, so as to limit the battery 60 mounted in the X-axis direction. In order to facilitate heat dissipation, the position limiting member 32 is spaced from the main control board 10, and a gap is formed between the position limiting member and the seat 31.

Optionally, the base 31 is a conductive structure and includes a mounting portion 311 and two conductive portions 312, the mounting portion 311 is disposed in the main control board 10 in a protruding manner; the two conductive parts 312 are respectively disposed at two ends of the mounting part 311, and the two conductive parts 312 are electrically connected to the main control board 10.

In this embodiment, the base 31 is a conductive structure, and includes a mounting portion 311 and two conductive portions 312, the mounting portion 311 is disposed on the main control board 10 in a protruding manner, and the local mounting portion 311 is disposed parallel to the main control board 10, and is used for accommodating the battery 60 therebetween. The two conductive parts 312 are respectively disposed at two ends of the mounting part 311, and the two conductive parts 312 are electrically connected to the second electrode on the main control board 10.

It can be understood that the two ends of the mounting portion 311 are respectively provided with a welding position, and the welding position is welded with the second electrode and electrically connected with the second electrode.

Optionally, one side of the mounting portion 311 facing the main control board 10 is provided with a pressing sheet 33, and when the battery 60 is arranged in the mounting groove 10A, the pressing sheet 33 elastically abuts against one side of the battery 60 departing from the main control board 10 and is electrically connected with the battery 60.

In this embodiment, the seat body 31, the limiting member 32 and the main control board 10 enclose a mounting groove 10A therebetween, the seat body 31 is detachably connected to the main control board 10 in the Y-axis direction, and the limiting member 32 extends in the Z-axis direction to limit the battery 60 mounted in the mounting groove 10A from the X-axis. Specifically, the main control board 10 is provided with a limiting hole 10B, the fixing section of the expansion piece 50 penetrates through the limiting hole 10B, and the fixing end 52 is limited in the main control board 10. Two sides of the base 31 are electrically connected with the main control board 10 through the mounting portion 311 and are welded and fixed; the mounting portion 311 of the middle portion of the seat body 31 is partially spaced from and parallel to the main control board 10. The pressing sheet 33 is disposed on one side of the mounting portion 311 facing the main control board 10, the upper surface and the lower surface of the battery 60 located in the Z-axis direction abut against the pressing sheet 33 and the main control board 10, and the lower surface of the battery 60 abuts against and is electrically connected with the first electrode of the main control board 10. The pressing sheet 33 is an elastic pressing sheet 33, and when the battery 60 is arranged in the mounting groove 10A, the pressing sheet 33 is elastically abutted to the upper surface of the battery 60, so that the assembly stability of the battery 60 mounted in the mounting groove 10A is improved, and the reliability of electrical connection is improved.

It can be understood that, the mounting portion 311 is provided with two pressing sheets 33 opposite to the side of the main control board 10, the two pressing sheets 33 are electrically connected with the battery 60, the telescopic member 50 is in a bar shape, and the distance between the two pressing sheets 33 is smaller than the distance between the two pressing sheets 33 in the width direction, so that when the battery 60 is mounted, the movable section 53 of the telescopic member 50 is positioned between the two pressing sheets 33 at intervals, thereby ensuring the portable assembly and disassembly and improving the reliability of the electrical connection.

The present invention further provides a controller 200, which is shown in fig. 1. The specific structure of the battery mounting structure 100 refers to the above embodiments, and since the controller 200 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. The controller 200 includes a housing 20, a cover 21, and the battery mounting structure 100 as described above, where the housing 20 has a cavity and an opening 20A communicating with the cavity. The cover 21 is movably connected to the housing 20 and disposed adjacent to the opening 20A for opening or closing the opening 20A. The battery mounting structure 100 is disposed in the cavity with the opening 20A facing and in parallel with the notch of the mounting groove 10A of the battery mounting structure 100.

It will be appreciated that the side of the cover 21 facing the cavity is provided with a receiving slot to receive the extended end 51 extending out of the notch of the mounting slot 10A when the cover 21 closes the opening 20A.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A battery mounting structure for mounting a battery, the battery mounting structure comprising:

a main control board;

the mounting seat is arranged on the main control board and forms a mounting groove with the main control board in a surrounding manner, the mounting groove is used for mounting a battery, and the mounting seat is electrically connected with the main control board; and

when the battery is arranged in the mounting groove, the telescopic pieces are attached to two opposite surfaces of the battery; and the stretching end is pulled outwards so that the telescopic piece drives the battery to be separated from the mounting groove.

2. The battery mounting structure of claim 1, wherein at least one sidewall of the mounting groove is formed with a limiting hole, the expansion member has a fixing end penetrating the limiting hole, and the stretching end and the fixing end are located at two ends of the expansion member.

3. The battery mounting structure of claim 2, wherein the limiting hole penetrates through the main control board and is disposed adjacent to the notch of the mounting groove, and the fixing end is limited on a side of the main control board away from the mounting seat.

4. The battery mounting structure according to claim 2, wherein the fixing end includes:

5. The battery mounting structure according to claim 2, further comprising:

6. The battery mounting structure according to any one of claims 1 to 5, wherein the mount base includes:

the seat body is arranged on the main control board and is electrically connected with the main control board, and the seat body and the main control board are surrounded to form an installation groove; and

7. The battery mounting structure of claim 6, wherein the housing is a conductive structure and comprises:

the mounting part is convexly arranged on the main control board; and

8. The battery mounting structure of claim 7, wherein a pressing plate is disposed on a side of the mounting portion facing the main control board, and when the battery is disposed in the mounting groove, the pressing plate elastically abuts a side of the battery away from the main control board and is electrically connected to the battery.

9. The battery mounting structure according to claim 1, wherein the expansion member is made of a flexible material, and the expansion member is an insulating member.

10. A controller, characterized in that the controller comprises:

the battery mounting structure of any one of claims 1-9, the battery mounting structure being disposed within the cavity, the opening facing and communicating with a notch of a mounting groove of the battery mounting structure.