CN120855815A - A random drive device - Google Patents

Abstract

The invention discloses a random driving device which comprises a shell, wherein the random driving device comprises a mounting cavity and a rolling cavity, the random driving assembly comprises an electromagnetic driving piece, a magnetic rolling piece and a magnetic driven piece, the electromagnetic driving piece is mounted in the mounting cavity, the magnetic rolling piece is mounted in the rolling cavity, the magnetic driven piece is used for being connected with an object to be driven, the electromagnetic driving piece is used for electromagnetically driving the magnetic rolling piece to roll in the rolling cavity, and the rolling of the magnetic rolling piece can drive the magnetic driven piece to swing through magnetic force so as to drive the object to be driven to swing. The random driving assembly is arranged in the random driving device, the electromagnetic driving piece can drive the magnetic rolling piece to roll through an electromagnetic generated magnetic field so as to drive the object to be driven to swing, and the magnetic rolling piece rolls in the rolling cavity, so that the motion freedom degree is high, the randomness is high, the object to be driven can be driven to swing more randomly, the reality of the motion of the flame simulating piece is improved, and the ornamental value is further improved.

Description

Random driving device

Technical Field

The invention relates to the technical field of driving devices, in particular to a random driving device.

Background

In order to meet the pursuit of better life quality of people, a plurality of ornaments are arranged to be of dynamic structures, and the local part of each ornament is driven to move through a driving device, so that a simulation effect is achieved, ornamental value is improved, and certain practicability is achieved. For example, in an electronic candle product, the flame of the electronic candle is of a dynamic structure, and after the flame of the electronic candle is driven, the flame of the traditional candle can be simulated, so that the electronic candle is more lifelike and natural and has higher ornamental value.

However, at present, the driving of ornaments is conventional mechanical driving, for example, a transmission assembly such as a cam structure is adopted to realize the driving of a movable structure, and the driving mode is mechanically dead and lacks randomness and flexibility, so that poor observability is caused.

Disclosure of Invention

The invention provides a random driving device which is used for solving the problem that the conventional driving dead plate is not flexible enough.

In one embodiment, there is provided a random driving apparatus including:

the shell is provided with an installation cavity and a rolling cavity;

The random driving assembly comprises an electromagnetic driving piece, a magnetic rolling piece and a magnetic driven piece, wherein the electromagnetic driving piece is arranged in the installation cavity, the magnetic rolling piece is arranged in the rolling cavity, the magnetic driven piece is used for being connected with an object to be driven, the electromagnetic driving piece is used for electromagnetically driving the magnetic rolling piece to roll in the rolling cavity, and the rolling of the magnetic rolling piece can drive the magnetic driven piece to swing through magnetic force so as to drive the object to be driven to swing.

In one embodiment, a mounting seat is arranged in the mounting cavity and used for mounting the object to be driven, the magnetic driven piece is used for being connected with the object to be driven which is positioned in the shell, or a mounting seat is arranged on the outer side of the shell and used for mounting the object to be driven, and the magnetic driven piece is used for being connected with the object to be driven which is positioned outside the shell.

In one embodiment, the bottom surface of the rolling cavity is a concave surface, and the magnetic follower rolls in the concave surface.

In one embodiment, the lower end of the rolling cavity is a base with the concave surface, the base is a flexible structure, or the base is provided with a flexible layer, and the flexible layer forms the concave surface.

In one embodiment, the magnetic rolling element is a ball structure.

In one embodiment, the electromagnetic driving member comprises a circuit board and an electromagnetic coil, wherein the circuit board is electrically connected with the electromagnetic coil, and the circuit board is used for controlling the electromagnetic coil to electromagnetically drive the magnetic rolling member to roll.

In one embodiment, the mounting cavity comprises a first mounting cavity and a second mounting cavity, the magnetic follower is mounted in the first mounting cavity, the electromagnetic driver is mounted in the second mounting cavity, and the first mounting cavity and the second mounting cavity are independent of each other.

In one embodiment, the first mounting cavity is filled with a liquid medium, and the random driving assembly is used for driving the object to be driven to swing in the liquid medium cavity.

In one embodiment, the side wall of the first installation cavity is a light-transmitting wall, or the shell is provided with a light-transmitting window, and the light-transmitting window is located on the side wall of the first installation cavity.

In one embodiment, the light source is arranged in the third mounting cavity, a light-transmitting wall or a light-transmitting hole is arranged between the third mounting cavity and the first mounting cavity, and the light source is used for illuminating the object to be driven in the first mounting cavity.

According to the random driving device of the embodiment, the random driving assembly is arranged in the random driving device and comprises the electromagnetic driving piece, the magnetic rolling piece and the magnetic driven piece, the electromagnetic driving piece can drive the magnetic rolling piece to roll through the magnetic field generated by the electromagnetic driving piece, magnetic attractive force or magnetic repulsive force exists between the magnetic rolling piece and the magnetic driven piece, the magnetic driven piece is driven to move together through magnetic force when the magnetic rolling piece rolls, and the magnetic driven piece and the flame simulating piece are installed together, so that the object to be driven can be driven to swing. Because the magnetic rolling piece rolls in the rolling cavity, the motion freedom degree is high, the randomness is high, the object to be driven can be driven to swing more randomly, the flexibility and the randomness of the swing of the object to be driven are improved, and the ornamental value of the object to be driven is improved.

Drawings

FIG. 1 is a schematic diagram of a random driving device according to an embodiment;

FIG. 2 is an axial cross-sectional view of a random drive device in one embodiment;

FIG. 3 is an axial cross-sectional view of the upper half of the random drive apparatus in one embodiment;

FIG. 4 is an axial cross-sectional view of the lower half of the random drive apparatus in one embodiment;

FIG. 5 is a schematic diagram of a random driving device according to an embodiment;

Fig. 6 is a schematic diagram of a fish tank according to an embodiment.

Wherein the reference numerals are as follows:

1-a shell, 1 a-a first shell, 1 b-a second shell, 11-a mounting cavity, 111-a first mounting cavity, 112-a second mounting cavity, 113-a third mounting cavity, 12-a rolling cavity, 13-a joint part, 14-an outer shell, 15-an inner shell, 151-a first inner shell, 152-a second inner shell, 153-a bottom surface;

2-an object to be driven, 21-a flame part and 22-a connecting part;

3-random driving component, 31-electromagnetic driving piece, 311-circuit board, 312-electromagnetic coil, 32-magnetic rolling piece and 33-magnetic driven piece;

4-mounting seats and 41-mounting holes;

5-electromagnetic coil brackets, 51-accommodating cavities and 52-screws;

6-a light source, 61-a light source mounting seat;

7-reflector, 71-reflector bracket;

8-fish tank, 81-pool and 82-mounting box.

Detailed Description

The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated. The axial direction herein is the longitudinal direction of the random drive device, and is also the vertical direction in the mounted state, and the radial direction is the left-right or front-rear direction of the random drive device, and is also the horizontal direction in the mounted state.

In an embodiment, a random driving device is provided, and the random driving device is used for driving a movable part on an ornament, wherein the movable part is an object to be driven, and the random driving device is connected with the object to be driven so as to drive the object to be driven to perform random activities, so that the ornamental value of the object to be driven is improved.

The decorative device may include, but is not limited to, an electronic candle, a movable toy, an ornamental aquarium, and the like. In the following, an electronic candle will be described as an example.

The object to be driven is a flame simulating piece, a light source is further arranged in the random driving device, the flame simulating piece is provided with a reflecting surface, and the light source is used for emitting light to irradiate the reflecting surface of the flame simulating piece so as to simulate the flame of the candle. The flame simulating piece can swing, the random driving device can realize swinging luminescence after being lightened, simulate the swinging and swinging of the flame of the traditional candle, compared with the common lamp, the random driving device not only can provide lighting requirements, but also can simulate the dynamic flame of the traditional candle, has higher simulation and enables lighting to have atmosphere sense.

Referring to fig. 1 to 2, the random driving device for random driving of the present embodiment mainly includes a housing 1, an object 2 to be driven, and a random driving assembly 3. The object 2 to be driven is a flame simulator, which may also be simply referred to as a flame sheet. The casing 1 comprises a first casing 1a and a second casing 1b, the first casing 1a and the second casing 1b are connected side by side along the length direction (axial direction) of the electronic candle, the object 2 to be driven is arranged in the first casing 1a, and the random driving component 3 is arranged in the second casing 1 b.

The first housing 1a and the second housing 1b may be detachably connected to each other, so that the assembly having the object 2 to be driven and the first housing 1a can be replaced and detached for maintenance. Of course, the first casing 1a and the second casing 1b may also be configured as an integral structure, so as to improve the stability of the connection between the first casing 1a and the second casing 1b, so as to meet the use requirements of some scenes.

The first casing 1a and the second casing 1b can be respectively formed by combining a plurality of parts, so that different parts of the first casing 1a and the second casing 1b can be made of different materials to form more rich color matching appearances, and different parts of the first casing 1a and the second casing 1b can also adopt the same color, so that the whole is simpler. The first housing 1a and the second housing 1b are combined by a plurality of parts, and the installation of inner parts is facilitated.

The housing 1 can be varied in shape to suit the preferences of different consumers. The present embodiment is described taking the case 1 as an example of a long cylindrical shape. The random driving device may be mounted in various forms, for example, suspended inverted mounting or upward vertical mounting, and this embodiment will be described by taking suspended inverted mounting as an example.

The housing 1 has a mounting chamber 11 and a rolling chamber 12 therein. The second housing 1b comprises an outer housing 14 and an inner housing 15, wherein the inner housing 15 may be fastened to the outer housing 14 by means of a snap fit, a screw connection, an interference fit, etc., and the inner housing 15 is adapted to form a plurality of cavities and to mount components, such as the inner housing 15, in the mounting cavity 11 separating a relatively independent rolling cavity 12.

In this embodiment, the installation cavity 11 includes a first installation cavity 111 and a second installation cavity 112, the first installation cavity 111 is located in the first housing 1a, the rolling cavity 12 and the second installation cavity 112 are located in the second housing 1b, and the rolling cavity 12 is located between the first installation cavity 111 and the second installation cavity 112. Wherein, the first installation cavity 111 is located at the bottom in the housing 1, the second installation cavity 112 is located at the top in the housing 1, the rolling cavity 12 is located at the middle part, the middle part is located at the upper side or the middle part is located at the lower side in the housing 1, and the first installation cavity 111, the rolling cavity 12 and the second installation cavity 112 are sequentially arranged from bottom to top.

In other embodiments, the first mounting chamber 111, the rolling chamber 12, and the second mounting chamber 112 may be arranged in other manners, for example, the rolling chamber 12 and the second mounting chamber 112 are arranged side by side, and the first mounting chamber 111 is located below the rolling chamber 12. Therefore, the inverted L-shaped lamp can be formed, and the use requirements of partial consumers can be met.

In this embodiment, the object 2 to be driven may have a morphological structure such as a flame sheet, and the object 2 to be driven is installed in the installation cavity 11, specifically, the object 2 to be driven is installed in the first installation cavity 111.

In this embodiment, all or part of the outer wall of the first installation cavity 111 is of a transparent structure, for example, transparent glass or transparent plastic is adopted, so that the outer wall of the first installation cavity 111 forms a light transmission structure, the light reflected or reflected by the flame portion 21 can be irradiated to the outer side of the random driving device, and the user can observe the light emission of the flame portion 21 through the transparent housing.

In other embodiments, part of the outer wall of the first installation cavity 111 is of a transparent or semitransparent structure, for example, a transparent window is provided on the outer wall of the first installation cavity 111, and the other part of the outer wall of the first installation cavity 111 is of a non-transparent structure, and the transparent window is of an annular structure and has a height greater than that of the flame portion 21. This partially transparent or transparent outer wall may also exhibit a luminous flame portion 21.

In other embodiments, the object 2 to be driven may be partially or wholly mounted on the outside of the housing 1, and the object 2 to be driven may be directly exposed to the outside of the housing 1 to emit light, such as by simulating a conventional candle having a flame on the top of the candle.

Referring to fig. 2 and 4, in the present embodiment, the object 2 to be driven includes a flame portion 21 and a connecting portion 22, the flame portion 21 is in a flame piece structure, one or both sides of the flame portion 21 are reflective surfaces, the reflective surfaces are smooth planes, and have good reflective characteristics, when the light source emits light to illuminate the flame portion 21, the flame portion 21 reflects light to form a flame similar to self-emission, so as to simulate the flame of a candle. The connection portion 22 may have a rod-like or rope-like structure. Be equipped with mount pad 4 in first installation cavity 111, mount pad 4 unsettled install in first installation cavity 111, for example mount pad 4 is the mounting panel, mount pad 4 separates first installation cavity 111 into upper portion and lower part, the middle part of mount pad 4 can be equipped with mounting hole 41, treat that connecting portion 22 of drive object 2 wears to establish to install in mounting hole 41 of mount pad 4, the upper end of connecting portion 22 is located the upper portion of first installation cavity 111, the lower extreme of connecting portion 22 is located the lower part of first installation cavity 111. The flame part 21 is mounted on the upper end of the connection part 22, and the flame part 21 is located on the upper portion of the first mounting chamber 111. The connection portion 22 may form a limit with the mounting seat 4 through a limit piece and form a swinging connection, so that the flame portion 21 may swing relative to the mounting seat 4 through the connection portion 22.

Referring to fig. 2 and 3, the random driving assembly 3 includes an electromagnetic driving member 31, a magnetic rolling member 32 and a magnetic driven member 33, wherein the electromagnetic driving member 31 is installed in the installation cavity 11, the magnetic rolling member 32 is installed in the rolling cavity 12, the magnetic rolling member 32 can roll in the rolling cavity 12, the magnetic driven member 33 is connected with one end of the connecting portion 22 of the object 2 to be driven, which is far away from the flame portion 21, and the magnetic driven member 33 and the object 2 to be driven are installed as an integral structure, and the magnetic driven member 33 is located at the lower portion of the first installation cavity 111. The electromagnetic driving member 31 is configured to generate a magnetic field by an electromagnetic method to drive the magnetic rolling member 32 to roll randomly in the rolling chamber 12, the magnetic rolling member 32 and the magnetic driven member 33 are of magnetic structures with the same or different magnetism, and a magnetic attractive force or a magnetic repulsive force is provided between the magnetic rolling member 32 and the magnetic driven member 33, so that after the magnetic rolling member 32 is driven to roll, the rolling of the magnetic rolling member 32 can drive the magnetic driven member 33 to move together by magnetic force, thereby driving the object 2 to be driven to swing randomly.

Wherein, the electromagnetic driving member 31 is installed in the second installation cavity 112, the electromagnetic driving member 31 and the object 2 to be driven are respectively installed in different cavities, and are mutually independent, so that the influence of heat generated by the object 2 to be driven on the electromagnetic driving member 31 can be avoided, and the service life of the random driving device is prolonged.

The electromagnetic driving member 31 includes a circuit board 311 and an electromagnetic coil 312, the circuit board 311 is electrically connected with the electromagnetic coil 312, the circuit board 311 is used for controlling the electromagnetic coil 312 to be electrified to generate a magnetic field, one or more driving methods can be preset in the circuit board 311, and the driving method can include an irregular random driving method so as to control the electromagnetic coil 312 to drive the magnetic rolling member 32 to move irregularly and randomly in the rolling cavity 12. Of course, a regular driving method may be provided in the circuit board 311 to control the electromagnetic coil 312 to drive the magnetic rolling element 32 to regularly move in the rolling chamber 12.

The circuit board 311 is also electrically connected to the light emitter of the object 2 to be driven, and the circuit board 311 is used for controlling the object 2 to be driven to emit light. The circuit board 311 and the object 2 to be driven are located in different cavities, and can be electrically connected through cables, corresponding threading holes are formed in the shell 1, so that the cables can be threaded from the first mounting cavity 111 to the second mounting cavity 112, and preferably, the cables do not enter the rolling cavity 12.

Referring to fig. 4, an electromagnetic coil support 5 is disposed in the second mounting cavity 112, a receiving cavity 51 is disposed in the electromagnetic coil support 5, an electromagnetic coil 312 is mounted in the receiving cavity 51, the size of the receiving cavity 51 is adapted to the size of the electromagnetic coil 312, and the electromagnetic coil 312 is clamped in the receiving cavity 51.

The electromagnetic coil bracket 5 may be mounted with a screw 52, an upper end of the screw 52 is exposed to abut against the circuit board 311, a lower end of the screw 52 extends to be close to the accommodating cavity 51, and the electromagnetic coil 312 is electrically connected with the circuit board 311 through the screw 52 and the cable.

In other embodiments, the electromagnetic coil 312 may also be electrically connected to the circuit board 311 by a cable.

In this embodiment, the rolling chamber 12 is provided in a relatively independent structure. Preferably, the rolling cavity 12 is of a closed structure, so that fluid or air and other mediums of other cavities cannot enter the rolling cavity 12, interference of external mediums entering the magnetic rolling elements 32 can be avoided, and rolling of the magnetic rolling elements 32, especially random rolling, is ensured.

In other embodiments, the rolling chamber 12 may be a semi-closed structure, and the inner housing 15 is provided with a through hole or opening smaller than the magnetic rolling element 32 to avoid the magnetic rolling element 32 from falling out of the rolling chamber 12.

Referring to fig. 3, in the present embodiment, the inner housing 15 includes a first inner housing 151 and a second inner housing 152, the first inner housing 151 is of a bowl-shaped structure, the second inner housing 152 is of a cover-shaped structure, the first inner housing 151 and the second inner housing 152 can be fixed by means of screw connection, clamping, bonding, etc., and the first inner housing 151 and the second inner housing 152 enclose a rolling chamber 12. One or both of the first inner case 151 and the second inner case 152 may be fixedly connected to the inner wall of the outer case 14 by means of screw connection, clamping, bonding, or the like. Wherein the first inner housing 151 forms a base of the rolling chamber 12.

The second inner shell 152 is located at an upper end of the first inner shell 151, so that the magnetic rolling member 32 rolls in the first inner shell 151, the first inner shell 151 has a bowl-shaped structure, a sufficient space is provided in the first inner shell 151 to set a bottom surface of the concave structure, and the first inner shell 151 has a concave surface.

The magnetic rolling element 32 is a magnetic block, and the magnetic rolling element 32 can be driven to roll by a magnetic field. The magnetic rolling members 32 are preferably of ball construction. The magnetic rolling elements 32 are of ball structures, so that the magnetic rolling elements 32 can roll in any direction, the rolling freedom degree of the magnetic rolling elements 32 is larger, more random movement can be achieved, and further more random swinging of the object 2 to be driven is achieved.

In other embodiments, the magnetic rolling element 32 may have other structures, for example, the magnetic rolling element 32 has a cylindrical structure, a football shape, or the like, and may be driven to roll randomly under the action of a magnetic field, so as to drive the object2 to be driven to swing randomly.

In the present embodiment, the magnetic follower 33 is mounted on the lower end of the connection portion 22 of the object 2 to be driven, and the magnetic follower 33 is located on the lower portion of the first mounting chamber 111. The magnetic follower 33 may be in a sheet-like, block-like or ball-like structure, the magnetic follower 33 may be in a structure with any shape, the magnetic follower 33 is in a suspended installation state, a certain magnetic attraction force or a certain magnetic repulsion force is provided between the magnetic follower 33 and the magnetic rolling member 32, the random rolling of the magnetic rolling member 32 can drive the magnetic follower 33 to randomly swing, the magnetic follower 33 and the flame portion 21 are positioned at two ends of the connecting portion 22, and the magnetic follower 33 is driven to randomly swing and then drive the flame portion 21 to randomly swing in the opposite direction. The magnetic follower 33 has a certain weight, so that when the magnetic follower 33 is in a non-moving state, the magnetic follower 33 is also in a non-moving state, the flame portion 21 can be in a stable state without swinging, and the use requirement of a certain scene can be met.

In this embodiment, the random driving device further includes a light source 6, the mounting cavity 11 further includes a third mounting cavity 113, and the light source 6 is mounted in the third mounting cavity 113. The light source 6 may be a light-emitting light source such as an LED lamp, and the light source 6 may be a fixed-color light source or a variable-color light source.

The third mounting cavity 113 is disposed adjacent to the first mounting cavity 111, and a light-transmitting wall is disposed therebetween, for example, a transparent window is disposed, so that light emitted from the light source 6 in the third mounting cavity 113 can be irradiated onto the flame portion 21 in the first mounting cavity 111, and the flame portion 21 is in a light-emitting state to simulate a candle flame. A light transmission hole may be provided between the third mounting chamber 113 and the first mounting chamber 111, and the light emitted from the light source 6 may also be irradiated onto the flame portion 21 in the first mounting chamber 111.

The light source 6 is arranged on the outer side of the first installation cavity 111, so that the first installation cavity 111 can be simplified and reduced, the liquid injection and sealing of the first installation cavity 111 are facilitated, if the first installation cavity 111 is internally provided with a liquid medium, the light source 6 can be isolated from the liquid medium, the light source 6 is isolated and protected, and the fault risks such as short circuit and the like are avoided.

The light source 6 can directly send light to the flame portion 21, or the light source 6 can send light to the flame portion 21 through a reflector, so that the flame portion 21 can be lightened to simulate the light emission of the flame portion 21 and further simulate the combustion of a candle.

In other embodiments, the light source 6 may be installed in the first installation cavity 111, and a waterproof structure such as a transparent cover is disposed on the outer side of the light source 6, or the light source 6 may be isolated and protected.

In other embodiments, the light source 6 may not be provided, and luminous bodies such as LED beads may be provided on two sides of the flame portion 21, for example, flexible circuit boards or flexible circuit strips may be provided on two sides of the flame portion 21, and the luminous beads may be integrated on the flexible circuit boards or flexible circuit strips, so as to implement luminous illumination of the flame portion 21 to simulate candle burning.

In this embodiment, the random driving assembly 3 of the random driving device includes an electromagnetic driving member 31, a magnetic rolling member 32 and a magnetic driven member 33, wherein the electromagnetic driving member 31 can drive the magnetic rolling member 32 to roll by generating a magnetic field through electromagnetic force, a magnetic attractive force or a magnetic repulsive force exists between the magnetic rolling member 32 and the magnetic driven member 33, the magnetic rolling member 32 drives the magnetic driven member 33 to move together through magnetic force when moving, and the magnetic driven member 33 is mounted with the object 2 to be driven, so that the object 2 to be driven can be driven to swing. The magnetic rolling element 32 rolls in the rolling cavity, so that the magnetic rolling element has high freedom of movement and high randomness, and can drive the object 2 to be driven to swing more randomly, thereby improving the reality of the movement of the object 2 to be driven and improving the ornamental value of the object to be driven.

In one embodiment, the bottom surface 153 of the rolling chamber 12 may include at least one of a curved surface, a flat surface, and a beveled surface. For example, the bottom surface 153 of the rolling chamber 12 is a concave surface, the concave surface can be formed by a concave curved surface, the concave surface can be formed by a plurality of inclined surfaces, the concave surface can be formed by both curved surfaces and inclined surfaces, the magnetic rolling element 32 rolls on the bottom surface 153 of the rolling chamber 12 under the action of gravity, and when the bottom surface 153 of the rolling chamber 12 is a concave surface, the gravity of the magnetic rolling element 32 can provide the rolling inertia force of the magnetic rolling element 32, so that the rolling randomness of the magnetic rolling element 32 can be further improved.

The bottom 153 of the rolling chamber 12 may be a plane or an inclined plane, and the magnetic rolling element 32 may roll radially or approximately radially in the plane or the inclined plane to drive the object 2 to be driven to randomly swing.

In one embodiment, the first inner shell 151 (the base of the rolling chamber 12) may be a flexible structure, and the bottom surface 153 of the rolling chamber 12 may be a concave surface, which is a flexible structure, for example, the first inner shell 151 may be a silica gel having elasticity. Or the first inner housing 151 is provided with a flexible layer forming the concave surface, i.e. the concave surface of the rolling chamber 12 is of a flexible structure. So set up, when the magnetism rolling element 32 rolls in the concave surface of first inner shell 151, the striking of magnetism rolling element 32 can be absorbed to the concave surface of flexible construction, plays the effect of shock attenuation and noise reduction, and the use is experienced in the optimization.

In one embodiment, the concave surface at the bottom of the first inner shell 151 is preferably a concave spherical structure. By this arrangement, the magnetic rolling member 32 can roll in any direction of the concave surface, and the randomness of the rolling is further improved.

In one embodiment, the bottom surface of the rolling chamber 12 is concave, and the lowest position of the bottom surface of the rolling chamber 12 is located in the middle of the bottom surface. By such arrangement, after the magnetic rolling element 32 loses electromagnetic drive, the magnetic rolling element will stop at the lowest position of the bottom surface of the rolling cavity 12, i.e. will stop at the middle position of the bottom surface of the rolling cavity 12, so that the object 2 to be driven is in a vertical state, and the aesthetic degree of the random driving device in a non-use state is ensured.

Referring to fig. 1 and 2, in one embodiment, a connector 13 is disposed on the top outer side of the housing 1, and the connector 13 is used to mount the random driving device on an inverted lamp socket in a hanging manner. The connector 13 may be provided with a connection structure such as a screw thread, and the connector 13 may be further provided with an electrical contact point, which may be electrically connected to the circuit board 311 through a structure such as a cable. When the joint portion 13 is connected with the lamp socket, it is possible to realize the physical connection while realizing the electrical connection. The random driving device with the structure can be mounted on a ceiling or a wall.

In one embodiment, the connector 13 may also be provided with a physical connection structure such as a clamping structure, a magnetic structure, etc. to fixedly connect the connector 13 with the lamp holder.

In one embodiment, the first mounting cavity 111 in the housing 1 is a liquid medium cavity. The liquid medium cavity is a sealed cavity, the liquid medium cavity is filled with liquid medium, the liquid medium is preferably liquid medium with good light transmittance so as to show better illumination effect, especially better illumination simulating natural candles, and for example, the liquid medium can comprise colorless water and silicone oil colorless liquid. The liquid medium may also be provided with a color to meet the requirements of a particular color of illumination, e.g., the liquid medium may be red or yellow to present red or yellow illumination. Fluorescent powder and other substances can be added into the liquid medium to improve the illumination effect so as to meet the use requirements of different users.

The liquid medium cavity can be filled with liquid medium, so that bubbles can be prevented from being formed in the liquid medium cavity, and the lighting effect is prevented from being influenced.

The object 2 to be driven is positioned in the liquid medium, the liquid medium not only can enable the object 2 to be driven to form a floating and swaying state, but also can move after being swayed by the object 2 to be driven, dynamic liquid medium is formed in the process, the dynamic liquid medium can generate light spots, and when the light spots are positioned on the object 2 to be driven, the simulation of the object 2 to be driven can be further improved.

In other embodiments, the liquid medium may be mixed with an antifreezing agent, so that the random driving device may be used in cold areas to avoid freezing the liquid medium.

The casing 1 may be provided with a plurality of structural members surrounding a liquid medium cavity, for example, a cover plate and other structures, so as to realize sealing and fixing after filling the liquid medium into the liquid medium cavity. The casing 1 may be provided with a liquid injection hole or the like, and the liquid medium is injected into the liquid medium cavity through the liquid injection hole or the like, and the liquid injection hole is sealed by a sealing plug or sealant or the like.

In this embodiment, the object 2 to be driven is installed in the liquid medium cavity, and the object 2 to be driven is a flexible structure. Specifically, the flame portion 21 of the object 2 to be driven is of a flexible structure. The flame portion 21 may be a sheet-like structure such as a metal sheet or a plastic sheet, or the flame portion 21 may be a film-like structure such as a tin foil, and a plurality of reinforcing strips may be provided on the film-like structure to maintain a certain rigidity of the flame portion 21.

In this embodiment, the random driving component 3 is installed in the second installation cavity 112, that is, the random driving component 3 is installed at the outer side of the liquid medium cavity, so that the liquid medium cavity is provided with a smaller space structure to meet the installation of the object 2 to be driven, the complexity of the liquid medium cavity is reduced, the miniaturization and the simple structure of the liquid medium cavity are facilitated, the filling amount of the liquid medium is reduced, the installation and the sealing are facilitated, meanwhile, the random driving component 3 needs to be electrically driven during working, the random driving component 3 is isolated from the liquid medium, and the fault risks such as short circuit and the like of the random driving component 3 can be avoided.

In other embodiments, the random driving assembly 3 may be installed in other cavities or partially located outside the housing 1, or the random driving assembly 3 may be installed outside the liquid medium cavity, so as to isolate the random driving assembly 3 from the liquid medium.

In other embodiments, all or part of the random driving assembly 3 may be installed in the liquid medium cavity, for example, the random driving assembly 3 is a mechanical driving mechanism, and a transmission arm of the random driving assembly 3 or the whole random driving assembly 3 is located in the liquid medium cavity and connected with the connection portion 22, so that driving of the object 2 to be driven may also be achieved.

In this embodiment, the object 2 to be driven is swingably installed in the liquid medium cavity, the object 2 to be driven can be swingably connected with the housing 1 through the connection portion 22, similar to the connection portion 22 forming a universal movable connection with the housing 1, the object 2 to be driven can be set to swing within 360 ° range, that is, the flame portion 21 can swing and rotate, so that the reflecting surfaces of the flame portion 21 swing to different orientations, such that the orientations of the two reflecting surfaces of the flame portion 21 are the front side and the rear side, for example, the orientations of the reflecting surfaces of the flame portion 21 are the left side and the right side after swinging. The swing setting of the object 2 to be driven enables the object 2 to be driven to form swing movement after the random driving component 3 drives the object 2 to be driven to move, and the swing movement of the object 2 to be driven can better drive the flexible movement of the flame part 21 to be more similar to the combustion swing state of real flame.

In other embodiments, the object 2 to be driven can only perform swinging movement, for example, the two reflecting surfaces of the flame portion 21 face to the front side and the rear side, and after the subsequent swinging, the two reflecting surfaces of the flame portion 21 swing only in the front side and the rear side in a pitching state.

In this embodiment, since the flexible object 2 to be driven is provided and the flexible object 2 to be driven is installed in the liquid medium cavity, the flexible object 2 to be driven is located in the liquid medium, after the object 2 to be driven is driven, the flexible object 2 to be driven will wave in the liquid medium, and after the object 2 to be driven is driven, the flowing liquid medium will drive the flow of the liquid medium, and then react to the object 2 to be driven, so as to push the object 2 to be driven to move, under the pushing of the random driving component 3 and the liquid medium, the swinging direction and force of the flexible object 2 to be driven are more random, and are more similar to the flame of the real candle, so that the flame simulation of the random driving device is improved.

In one embodiment, referring to fig. 2, the random driving device further includes a light source 6 and a reflective mirror 7, and the light source 6 and the reflective mirror 7 are installed in the third installation cavity 113. The light source 6 may be a light-emitting light source such as an LED lamp, and the light source 6 may be a fixed-color light source or a variable-color light source.

The reflector 7 is located the light path that the light source 6 was lighted, and the flame simulating piece is located the focus that the reflector 7 was reflected, the light source 6 is through reflector 7 indirect with illumination light irradiation to wait to drive on the object 2, reflector 7 has reflector 7 not only can change the illumination route of illumination light, let light source 6 set up in a position of installing more easily, simplify and made things convenient for the installation of light source 6, reflector 7 can also play the effect of spotlight, let the light collection of light source 6 emission shine to wait to drive on the object 2, improve the light receiving concentration degree of waiting to drive the object 2, wait to drive the object 2 and can reflect the light of higher intensity and be used for external illumination, have better illuminating effect.

The reflector 7 can be set to spherical mirror or cylindrical mirror, and the reflector 7 can be used for simultaneously lighting and lighting the first flame surface and the second flame surface of the flame simulation piece, so that the lighting and lighting of 360 degrees or 180 degrees of the flame simulation piece are realized, and two side surfaces of the flame simulation piece can be simultaneously lighted by adopting one light source 6, so that a better lighting effect is achieved.

Preferably, the reflector 7 is a spherical mirror, and the reflector 7 can realize illumination lighting of 360 degrees of the flame simulating piece, so that the object 2 to be driven can realize lighting in any swinging position state.

The third installation cavity 113 is internally provided with a reflector bracket 71, the reflector bracket 71 can be in a cylindrical structure, and one end or the periphery of the reflector bracket 71 is fixedly connected with the shell 1 in a clamping, bonding, interference fit and other manners. The reflector 7 is mounted at the other end of the reflector bracket 71, the reflector bracket 71 is positioned between the light source 6 and the reflector 7, the illumination light emitted by the light source 6 irradiates the reflector 7 through the reflector bracket 71, the reflector 7 reflects the illumination light, and the reflected illumination light enters the first mounting cavity 111 through the reflector bracket 71. The reflector bracket 71 is located between the light source 6 and the reflector 7, and the reflector bracket 71 may also play a role in light isolation, so as to prevent the illumination light emitted by the light source 6 from entering into other areas in the third mounting cavity 113, which is beneficial for the reflector 7 to reflect and collect the illumination light emitted by the light source 6 onto the flame portion 21 of the object 2 to be driven.

Preferably, the reflector 7 covers and seals one end of the reflector bracket 71, so that the illumination light emitted by the light source 6 can be further prevented from entering other areas in the third mounting cavity 113, and the reflection and collection of the illumination light emitted by the light source 6 by the reflector 7 on the flame portion 21 can be improved.

In other embodiments, the third mounting cavity 113 may be provided with a light source mounting seat 61, the light source 6 is mounted on the light source mounting seat 61, the middle part of the light source mounting seat 61 is provided with a mounting structure such as a mounting hole, the light source 6 is mounted in the mounting structure such as the mounting hole in the middle part of the light source mounting seat 61, and the light source mounting seat 61 mounts the light source 6 in the middle part of the third mounting cavity 113, so that the light source 6 and the object 2 to be driven are aligned along the axial direction of the electronic candle. The light source mount 61 may be a material having good heat conductive properties, such as aluminum. By the arrangement, the heat dissipation effect of the light source 6 can be improved, the light source 6 can work in a proper temperature environment, and the service life of the electronic candle can be prolonged.

In other embodiments, the reflector bracket 71 may have other structures, and when the volume of the third mounting cavity 113 is relatively smaller, the reflector bracket 71 adopts a bracket structure such as hollow, so that the reflector 7 may be fixed, the light leakage rate of the illumination light emitted by the light source 6 is relatively lower, and the reflector 7 may reflect and collect most of the illumination light emitted by the light source 6 onto the flame portion 21, so as to improve the external illumination brightness of the flame portion 21.

In this embodiment, the reflector 7 is a concave reflector, and the concave spherical mirror has a light-gathering function, so that the illumination light emitted by the light source 6 can be gathered and then irradiated onto the flame portion 21, thereby improving the concentration of the illumination of the flame portion 21. The reflector 7 has a concave reflecting surface formed by electroplating, sputtering, etc. to improve the reflectivity of the reflector 7.

The object 2 to be driven is located at the focal point of the optical path of the illumination light emitted by the reflector 7, wherein preferably, the middle position of the flame portion 21 is located at the focal point of the optical path of the illumination light emitted by the reflector 7, so that the illumination light emitted by the light source 6 can be maximally and intensively irradiated onto the flame portion 21, and the brightness of the external illumination of the flame portion 21 is improved. Of course, other positions of the flame portion 21 are located at the focal point of the optical path of the illumination light emitted from the reflector 7, and the illumination light emitted from the light source 6 may be concentrated and irradiated onto the flame portion 21, so that the brightness of the external illumination of the flame portion 21 may be improved.

In this embodiment, the reflective mirror 7 is preferably a concave spherical mirror, and the concave spherical mirror structure can irradiate the illumination light emitted by the light source 6 onto the flame portion 21 from the 360 ° direction of the flame portion 21, so that the illumination light can be simultaneously irradiated onto the flame portion 21, and when the flame portion 21 swings, the illumination light can be simultaneously irradiated onto the flame portion 21 at any position rotating. By the arrangement, the double-sided concentrated illumination of the flame part 21 is ensured, and the rotating and swinging of the flame part 21 can be matched, so that the simulation is higher.

In other embodiments, the reflector 7 may also be a concave cambered mirror, which has a cylindrical surface structure, and may radiate the illumination light emitted by the light source 6 onto the flame portion 21 from the 180 ° direction of the flame portion 21, and when the central axis of the cambered mirror is located on the central plane of the flame portion 21 (the plane between the two sides of the first flame portion 21), the cambered mirror may simultaneously radiate the illumination light emitted by the light source 6 onto the reflecting plane of the flame portion 21. In this structure, the flame portion 21 is mounted in a relatively limited manner, and is swingable, but is not rotatable in the axial direction, and the double-sided concentrated illumination of the flame portion 21 can be ensured.

In this embodiment, in the vertical direction, the flame portion 21, the light source 6 and the reflector 7 are aligned along a central axis in sequence, the light source 6 is located at a position between the flame portion 21 and the reflector 7, the light source 6 avoids the reflection focus of the reflector 7, and the flame portion 21 is disposed at the reflection focus of the reflector 7. With this arrangement, the reflector 7 can reflect almost all illumination light of the light source 6 to the flame portion 21, thereby improving the light receiving concentration of the flame portion 21.

In other embodiments, the flame portion 21, the light source 6 and the reflector 7 may be aligned slightly offset on a central axis, which may also increase the light-receiving concentration of the flame portion 21.

In this embodiment, since the reflective mirror 7 is disposed in the random driving device with concentrated light, the light source 6 does not directly emit the illumination light to the flame portion 21, but indirectly irradiates the illumination light to the flame portion 21 through the reflection of the reflective mirror 7, the reflective mirror 7 not only can change the irradiation route of the illumination light, but also can play a role of condensing, so that the light emitted by the light source 6 is condensed and irradiated to the flame portion 21, the light receiving concentration of the flame portion 21 is improved, the flame portion 21 can reflect the light with higher intensity for external illumination, and the illumination effect is better.

In other embodiments, the flame portion 21, the light source 6 and the reflector 7 may be installed in the same cavity, and the reflector 7 may also concentrate and reflect the illumination light emitted by the light source 6 onto the flame portion 21, so as to improve the external illumination brightness of the flame portion 21.

In one embodiment, a random driving device is provided, which can be used to drive an object 2 to be driven located outside the housing 1 to oscillate.

Referring to fig. 5, in the present embodiment, the mounting seat 4 is disposed at the outer side of the housing 1, or the mounting seat 4 is mounted in the inner cavity of the housing 1, and a portion of the mounting seat 4 is exposed at the outer side of the housing 1.

The object 2 to be driven is mounted on the outer side of the shell 1 through the mounting seat 4, and the object 2 to be driven is exposed to the outer side for displaying, for example, the object 2 to be driven can be a large flame piece of wood. The appearance of casing 1 is timber heap appearance, perhaps installs the timber skin in the outside of casing 1, and the object 2 that waits to drive is installed in the outside of casing 1 and is located the top of timber heap. The object 2 to be driven is connected with a magnetic follower 33 of the random driving assembly 3, and the magnetic follower 33 drives the object 2 to be driven (large flame piece) to randomly swing.

The random driving device in the embodiment can simulate wood pile combustion, and the exposed large flame piece is driven to swing through the random driving component 3, so that the randomness of swing of the large flame piece is improved, the swing and the drag of the large flame piece are more vivid, and the ornamental value is improved.

In one embodiment, the random driving device may be used to drive other objects 2 to be driven located outside the housing 1 to oscillate.

Referring to fig. 6, the random driving device is installed at the bottom of the fish tank 8, the object 2 to be driven is a movable part such as a float grass, and the object 2 to be driven is installed at the bottom of the pool 81 of the fish tank 8 and is located at the outer side of the random driving assembly 3. The random driving assembly 3 is installed in the installation box 82 at the bottom of the fish tank 8, the magnetic driven piece 33 of the random driving assembly 3 is connected with the object 2 to be driven through a connecting piece such as a steel wire, the connecting piece such as the steel wire extends into the installation box 82 from the water tank 81, and the penetrating structure of the connecting piece is waterproof, for example, the connecting piece is penetrated in the sealing ring.

In this structure, the object 2 to be driven in the fish tank pool 81 is connected with the magnetic follower 33 of the random driving component 3 of the bottom mounting box 82, and the magnetic follower 33 drives the object 2 to be driven to float and swing in the fish tank, so that the randomness of the swing of the object 2 to be driven is improved, the swing and swing of movable parts such as aquatic plants are more realistic, and the ornamental value is improved.

The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.

Claims (10)

1. A random drive device, comprising: The housing is provided with a mounting cavity and a rolling cavity; A random drive assembly includes an electromagnetic driver, a magnetic rolling member and a magnetic follower. The electromagnetic driver is installed in the installation cavity, the magnetic rolling member is installed in the rolling cavity, and the magnetic follower is used to connect with the object to be driven; the electromagnetic driver is used to electromagnetically drive the magnetic rolling member to roll in the rolling cavity, and the rolling of the magnetic rolling member can drive the magnetic follower to swing through magnetic force, thereby driving the object to be driven to swing. 2. The random drive device according to claim 1 is characterized in that a mounting seat is provided in the mounting cavity, the mounting seat is used to mount the object to be driven, and the magnetic follower is used to connect with the object to be driven located inside the shell; or a mounting seat is provided on the outside of the shell, the mounting seat is used to mount the object to be driven, and the magnetic follower is used to connect with the object to be driven located outside the shell. 3. The random drive device according to claim 1, characterized in that the bottom surface of the rolling cavity is a concave surface, and the magnetic follower rolls in the concave surface. 4. The random drive device according to claim 3, wherein the lower end of the rolling cavity is a base having the concave surface, the base is a flexible structure, or the base has a flexible layer, and the flexible layer forms the concave surface. 5 . The random drive device according to claim 1 , wherein the magnetic rolling element is a ball structure. 6. The random drive device according to claim 1, characterized in that the electromagnetic drive component includes a circuit board and an electromagnetic coil, the circuit board is electrically connected to the electromagnetic coil, and the circuit board is used to control the electromagnetic coil to electromagnetically drive the magnetic rolling component to roll. 7. The random drive device according to any one of claims 1 to 6, characterized in that the mounting cavity includes a first mounting cavity and a second mounting cavity, the magnetic follower is mounted in the first mounting cavity, the electromagnetic drive component is mounted in the second mounting cavity, and the first mounting cavity and the second mounting cavity are independent of each other. 8. The random drive device according to claim 7, wherein the first mounting cavity is filled with a liquid medium, and the random drive component is used to drive the object to be driven to swing in the liquid medium cavity. 9. The random drive device according to claim 8, wherein the side wall of the first installation cavity is a light-transmitting wall, or the housing is provided with a light-transmitting window, and the light-transmitting window is located on the side wall of the first installation cavity. 10. The random driving device according to claim 7 is characterized in that it further includes a light source, the installation cavity further includes a third installation cavity, the light source is installed in the third installation cavity, and there is a light-transmitting wall or a light-transmitting hole between the third installation cavity and the first installation cavity, and the light source is used to illuminate the object to be driven in the first installation cavity.