CN112904694A - Rail type projection clock - Google Patents
Rail type projection clock Download PDFInfo
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- CN112904694A CN112904694A CN202110246718.9A CN202110246718A CN112904694A CN 112904694 A CN112904694 A CN 112904694A CN 202110246718 A CN202110246718 A CN 202110246718A CN 112904694 A CN112904694 A CN 112904694A
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- guide rail
- annular guide
- piece
- rotating
- light
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- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/34—Position of the hands projected optically
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Abstract
The invention discloses a track type projection clock, which comprises a first annular guide rail, a second annular guide rail, a first rotating piece, a second rotating piece and a shell with an accommodating space, wherein the first annular guide rail and the second annular guide rail are fixed on the inner wall of the shell. The first rotating piece is arranged on the first annular guide rail and can slide along the first annular guide rail, a first time hand light-emitting piece is arranged on the first rotating piece, the first time hand light-emitting piece emits first time hand light, and the first time hand light is used for indicating the position of an hour hand. The second rotating piece is arranged on the second annular guide rail and can slide along the second annular guide rail, a first minute hand light-emitting piece is arranged on the second rotating piece, the first minute hand light-emitting piece emits first minute hand light, and the first minute hand light is used for indicating the minute hand position. The projection clock provided by the invention indicates time through the first hour hand light and the first minute hand light, so that the structure is simplified, and a user can still clearly see the time when the light is dim.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a track type projection clock.
Background
Clocks are one of the most widely used consumer electronics products in daily life. With the continuous development of technology, the expectation and the requirement of users on clocks are higher and higher. The positions of an hour hand and a minute hand cannot be clearly seen at night by the conventional clock, and the hour hand and the minute hand are generally irradiated by an additional light source to enable a user to clearly see the time, so that the structural complexity of the clock is increased, and the cost of the clock is increased.
Disclosure of Invention
The invention aims to provide a track type projection clock, which solves the problem that a user cannot clearly see the time indicated by the projection clock when the conventional projection clock is at night or in dim light.
In order to solve the above problems, the present invention provides a projection timepiece, including a first annular guide rail, a second annular guide rail, a first rotating member, a second rotating member, and a housing having an accommodating space. The first annular guide rail, the second annular guide rail, the first rotating piece and the second rotating piece are all arranged in the accommodating space, the first annular guide rail and the second annular guide rail are arranged at intervals, and the first annular guide rail and the second annular guide rail are fixed on the inner wall of the shell. The first rotating piece is arranged on the first annular guide rail and can slide along the first annular guide rail. Be equipped with first time needle light-emitting component on the first rotating member, first time needle light-emitting component sends the orientation first time needle light of shooing outside the casing, first time needle light is used for instructing the hour hand position. The first rotating piece slides on the first annular guide rail to drive the position of the first time-point luminous piece to change. The second rotating piece is arranged on the second annular guide rail and can slide along the second annular guide rail. The second rotating piece is provided with a first minute hand light-emitting piece, the first minute hand light-emitting piece emits light towards a first minute hand light emitted out of the shell, and the first minute hand light is used for indicating a minute hand position. The second rotating piece slides on the second annular guide rail to drive the position of the first minute hand luminous piece to change. The hour hand position and the minute hand position change to indicate time collectively.
In a possible implementation manner, the projection clock further includes a third annular guide rail and a third rotating member, the third annular guide rail and the third rotating member are both disposed in the accommodating space, the third annular guide rail and the first annular guide rail and the second annular guide rail are disposed at an interval, the third annular guide rail is fixed to the inner wall of the housing, the third rotating member is mounted on the third annular guide rail and can slide along the third annular guide rail, the third rotating member is provided with a first second hand light emitting member, the first second hand light emitting member emits a first second hand light that is emitted toward the outside of the housing, the first second hand light is used for indicating a position of a second hand, and the third rotating member slides on the third annular guide rail to drive the position of the first second hand light to change.
In a possible implementation manner, a second hour hand light-emitting piece is further arranged on the first rotating piece, the second hour hand light-emitting piece emits a second hour hand light ray emitted towards the center of the shell, and the second hour hand light ray and the first hour hand light ray are jointly used for indicating the position of an hour hand. Still be equipped with the second on the second rotating member and divide the needle light-emitting component, the second divides the needle light-emitting component to send the orientation the second that the casing center jetted out divides the needle light, the second divide the needle light with first minute hand light is used for the instruction jointly and divides the needle position.
In a possible embodiment, the housing includes an inner wall and an outer wall surrounding the inner wall, and the inner wall and the outer wall are spaced apart to form the accommodating space. The first hour hand light and the first minute hand light are emitted from the outer wall, and the second hour hand light and the second minute hand light are emitted from the inner wall.
In a possible embodiment, the projection clock includes a first weight block and a second weight block, the first weight block is disposed on the first circular guide rail, the first weight block and the first rotating member are disposed at two ends of the diameter of the first circular guide rail, and the first weight block is connected to the first rotating member. The second balancing weight is arranged on the second annular guide rail, the second balancing weight and the second rotating piece are located at two ends of the diameter of the second annular guide rail, and the second balancing weight is connected with the second rotating piece.
In a possible implementation manner, the projection clock further includes a main control board, a first driving member and a second driving member, the main control board is connected to the first driving member and the second driving member, and the main control board is configured to control the first driving member and the second driving member to rotate. The first driving piece is fixed on the first rotating piece and meshed with the first annular guide rail, and the first driving piece is used for driving the first rotating piece to move along the first annular guide rail so as to drive the first time-point light-emitting piece to rotate. The second driving piece is fixed on the second rotating piece and meshed with the second annular guide rail, and the second driving piece is used for driving the second rotating piece to move along the guide rail, so that the first minute hand luminous piece is driven to rotate.
In a possible implementation manner, the projection clock further includes a first power supply component, a second power supply component, a first conductive component, and a second conductive component, and both the first power supply component and the second power supply component are electrically connected to the main control board. The first power supply part is fixed on the first annular guide rail, the first conductive part is fixed on the first rotating part and electrically connected with the first time-point luminous part, and the first conductive part is also electrically connected with the first power supply part. The second power supply part is fixed on the second annular guide rail, the second conductive part is fixed on the second rotating part and electrically connected with the first minute hand luminous part, and the second conductive part is also electrically connected with the second power supply part.
In a possible implementation manner, the first conductive component includes a fixing portion and an elastic portion, the elastic portion is located on the fixing portion, a surface of the fixing portion away from the elastic portion is fixed on the first rotating component, and the elastic portion is elastically connected to the first power supply component.
In one possible implementation, the projection clock further includes a time adjustment module, the time adjustment module is connected to the main control board, the adjustment module is configured to receive an external time signal and transmit the time signal to the main control board, and the main control board is configured to adjust the hour hand position and the minute hand position according to the time signal.
In a possible implementation manner, the projection clock further includes a first detection element and a second detection element, and the first detection element is connected to the first driving element and the main control board. The first detection piece is used for detecting the rotating speed of the first driving piece so as to generate detection data and transmitting the detection data to the main control board, and the main control board is used for adjusting the rotating speed of the first driving piece according to the detection data. The second detection piece is connected with the second driving piece and the main control board, the second detection piece is used for detecting the rotating speed of the second driving piece so as to generate detection data, the detection data are transmitted to the main control board, and the main control board is used for adjusting the rotating speed of the second driving piece according to the detection data.
In summary, the present invention provides a track type projection clock, wherein a first clock light emitting element and a first minute light emitting element are respectively disposed on a first rotating element and a second rotating element of the projection clock, and the first rotating element and the second rotating element rotate to drive the first clock light emitting element and the first minute light emitting element, so that the first clock light and the second clock light are used for indicating time. The application provides a projection clock need not set up extra physical pointer on projection clock, has not only simplified projection clock's structure, can also make the user can also be clear see time under night or the dim circumstances of light, still has the effect of decorating and pleasing to the eye simultaneously. In addition, the projection clock provided by the invention can also be combined with the technology of everything interconnection, after an intelligent module is arranged in the projection clock to detect the surrounding environment parameters, the state of the projection clock, such as the display time and the light beam parameters, is adjusted or is provided for an internet of things system to trigger an external intelligent device.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a projection clock according to the present invention;
FIG. 2 is a partially exploded schematic view of the projection clock of FIG. 1;
FIG. 3 is a partial cross-sectional view of the projection clock of FIG. 1 taken along direction A-A;
FIG. 4 is an enlarged schematic view of portion A of FIG. 2;
FIG. 5 is an enlarged schematic view of portion B of FIG. 3;
fig. 6 is an enlarged schematic view of the first conductive member of fig. 5;
FIG. 7 is a schematic structural diagram of a projection clock according to another embodiment of the present invention;
fig. 8 is a partial cross-sectional view of the projection clock of fig. 7 taken along direction B-B.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a track type projection clock 100. The projection clock 100 uses two or three light-beams that can move continuously and the projection scale to indicate time, and can replace the physical hand and dial of the traditional clock. The projection clock 100 is fixed on the background surface and integrated with the background surface to create a new clock representation and effect. In addition, projection clock 100 can combine everything interconnection technology, increases intelligent sensor, inductor, intelligent module etc. inside, detects and monitors its surrounding environment parameter after, adjusts self state, like the accuracy of display time, beam parameter etc.. Or the intelligent control system is provided for an internet of things system to trigger other intelligent devices, such as a human body sensor, a light sensor, a temperature and humidity sensor, a gas detector (natural gas, formaldehyde, carbon monoxide and the like), an air quality sensor (PM2.5, microorganism detection and the like), a smoke alarm, a voice control and the like.
Referring to fig. 1-3, the projection clock 100 includes a first annular guide rail 20, a second annular guide rail 21, a first rotating member 30, a second rotating member 31, and a housing 10 having an accommodating space 1, wherein the first annular guide rail 20, the second annular guide rail 21, the first rotating member 30, and the second rotating member 31 are all disposed in the accommodating space 1. The first annular guide rail 20 and the second annular guide rail 21 are arranged at intervals, and the first annular guide rail 20 and the second annular guide rail 21 are fixed on the inner wall 11 of the casing 10. The first rotating member 30 is mounted on the first endless track 20 and is slidable along the first endless track 20. The first rotating member 30 is provided with a first hour hand light-emitting member 40, and the first hour hand light-emitting member 40 emits a first hour hand light emitted toward the outside of the housing 10, and the first hour hand light is used for indicating an hour hand position. The first rotating member 30 slides on the first circular guide 20 to change the position of the first hour hand light-emitting member 40. The second rotating member 31 is mounted on the second annular rail 21 and is slidable along the second annular rail 21. The second rotating member 31 is provided with a first minute hand light emitting member (not shown), which emits a first minute hand light emitted toward the outside of the housing 10, and the first minute hand light is used for indicating a minute hand position. The second rotating member 31 slides on the second annular guide rail 21 to change the position of the first minute hand light emitting member. The hour hand position and minute hand position change to collectively indicate time.
The application provides a projection clock 100, only through light alright instruction time, need not set up extra physical pointer on projection clock 100, not only simplified projection clock 100's structure, can also make the user can also be clear see the time under the condition of night or light dim, still play simultaneously and decorate and pleasing to the eye effect.
Referring to fig. 1 and fig. 2, optionally, the projection clock 100 further includes a third annular guide rail 22 and a third rotating member 32, and both the third annular guide rail 22 and the third rotating member 32 are disposed in the accommodating space 1. The third annular rail 22 is spaced apart from the first and second annular rails 20 and 21, and the third annular rail 22 is fixed to the inner wall 11 of the housing 10. The third rotating member 32 is mounted on the third annular guide rail 22 and can slide along the third annular guide rail 22, and a first second hand light emitting member (not shown) is provided on the third rotating member 32. The first second hand light emitter emits a first second hand light emitted toward the outside of the housing 10, and the first second hand light is used for indicating the second hand position. The third rotating member 32 slides on the third endless guide rail 22 to change the position of the first second hand light. The second hand position, minute hand position, and hour hand position may collectively indicate a specific time, and the time may be accurate to seconds.
Referring to fig. 1 and 2, the housing 10 includes an inner wall 11 and an outer wall 12 surrounding the inner wall 11, wherein the inner wall 11 and the outer wall 12 are spaced apart to form a receiving space 1. The housing 10 further includes a bottom wall 13 and an upper cover 14, the bottom wall 13 is connected to one end of the inner wall 11 and one end of the outer wall 12, and the upper cover 14 covers the other end of the inner wall 11 and the other end of the outer wall 12 to enclose the accommodating space 1. In this embodiment, the housing 10 is circular. Projection clock 100 may be hung directly on a background surface. The background surface can be an indoor wall surface or a ceiling, and can also be an outer wall of a building. In this embodiment, projection clock 100 is suspended from an exterior wall of a building. The periphery of the projection clock 100, on the background surface, forms a time scale 15, and scale values on the time scale 15 are used to represent time. Specifically, the time scale 15 may be formed by disposing a light emitting member and an imaging member (not shown) in the projection timepiece 100, and projecting light from the light emitting member through the imaging member and out of the housing 10 onto a background surface. In this embodiment, a solid dial is not required, the structure of the projection clock 100 is simplified, and the aesthetic appearance and artistic feeling of the projection clock 100 are increased. In this embodiment, the housing 10 of the projection clock 100 has an outer diameter of 1m to 5m and a height of 0.2m to 1.0 m. In other embodiments, the outer diameter of projection clock 100 may be less than 1m or greater than 5m, and the height of projection clock 100 may be less than 0.2m or greater than 1.0 m. In a specific embodiment, the housing 10 has an outer diameter of 1.2m and a height of 0.53 m.
In another embodiment of this embodiment, a time scale may be provided on the upper cover 14 to further simplify the structure of the projection clock 100. In the present embodiment, the outer diameter of the housing 10 of the projection timepiece 100 is 5m to 10m, and in other embodiments, the outer diameter of the projection timepiece 100 may be less than 5m or greater than 10 m. In a specific embodiment, the outer diameter of the housing 10 is 7 m.
Referring to fig. 1 and 2, in another embodiment of the present application, the time scale 15 of the projection clock 100 may also be a solid scale, and the time scale 15 is provided with time scales, which may be 4, 12 or 24, as long as the time can be read through the time scales. The scale can be a short line, a number or a pattern. A light source can be arranged in the scale to emit bright light. In other embodiments, the scale may also be made of a luminescent material so that the scale is self-illuminating when the light is dim. In this embodiment, the scale is a combination of short lines and numbers. The outer surface of the bottom wall 13 is fixed to the time scale 15, and the central axis of the casing 10 is perpendicular to the surface of the time scale 15 and passes through the center of the time scale 15. Time scale 15 is intended to be fixed to a background surface to suspend projection clock 100 from the background surface. In this embodiment, the time dial 15 is fixed to the outer wall of the building. In this embodiment, the diameter of the time scale 15 is 5m to 10m, and in other embodiments, the diameter of the time scale 15 may be less than 5m or greater than 10 m. In a particular embodiment, the time dial 15 has a diameter of 7 m.
For convenience of description, the bottom diameter direction of the housing 10 and the direction parallel to the bottom diameter are defined as a radial direction, and the height direction of the housing 10 is defined as an axial direction in the present application.
Referring to fig. 1 and 2, the projection clock 100 further includes a main control board 16, and in this embodiment, the main control board 16 may be disposed outside the casing 10 and located on a building. In other embodiments, the main control board 16 may be disposed in the housing 10 and fixed to the bottom wall 13. The main control board 16 is electrically connected to an external power source, and the projection clock 100 is powered by the external power source, such as a power source of a building itself. The power received by the main control board 16 may be either ac or dc, and is not limited in this respect.
Referring to fig. 3, the first annular rail 20, the second annular rail 21 and the third annular rail 22 are disposed in the accommodating space 1 at intervals and are fixedly connected to the housing 10. The first annular guide rail 20, the second annular guide rail 21 and the third annular guide rail 22 are all annular, and the centers of the two annular guide rails are all on the central axis of the shell 10. Racks are arranged on the first annular guide rail 20, the second annular guide rail 21 and the third annular guide rail 22.
Referring to fig. 4, the first rotating element 30 includes a carrying portion 301, a first extending portion 302 and a second extending portion 303, the carrying portion 301 is plate-shaped, the first extending portion 302 and the second extending portion 303 are respectively connected to two opposite sides of the carrying portion 301, and the extending direction intersects with the extending direction of the carrying portion 301. In this embodiment, the first extension portion 302 and the second extension portion 303 are both disposed perpendicular to the carrying portion 301. The bearing portion 301, the first extension portion 302 and the second extension portion 303 together form a sliding slot 304, the first rotating member 30 is mounted on the first annular rail 20 through the sliding slot 304, the bearing portion 301 is located on one side of the first annular rail 20, where the first annular rail 20 has a rack, the first extension portion 302 is located on an inner ring of the first annular rail 20, the second extension portion 303 is located on an outer ring of the first annular rail 20, and an extending direction of the sliding slot 304 is identical to an extending direction of the first annular rail 20. Specifically, the sliding slot 304 is arc-shaped, and the arc of the sliding slot 304 is the same or substantially the same as the arc of the first circular guide rail 20, and the first rotating member 30 slides along the first circular guide rail 20, and at the same time, the first rotating member 30 also rotates around the center of the first circular guide rail 20.
Referring to fig. 2, the second rotating member 31 has the same structure as the first rotating member 30, the second rotating member 31 is mounted on the second annular guide rail 21 through a sliding slot on the second rotating member 31, and the second rotating member 31 can slide along the second annular guide rail 21, and at the same time, the second rotating member 31 also rotates around the circle of the second annular guide rail 21. Similarly, the third rotating member 32 has the same structure as the first rotating member 30, the third rotating member 32 is mounted on the third annular guide rail 22 through a sliding slot on the third rotating member 32, and the third rotating member 32 can slide along the third annular guide rail 22, and at the same time, the third rotating member 32 also rotates around the center of the third annular guide rail 22.
Referring to fig. 2 and fig. 4, the projection clock 100 further includes a first driving member 50, the first driving member 50 is connected to the main control board 16, and the main control board 16 is used for controlling the first driving member 50 to rotate. The first driving member 50 is fixed on the first rotating member 30 and engaged with the first circular guide rail 20, and the first driving member 50 is used for driving the first rotating member 30 to move along the first circular guide rail 20, so as to drive the first hour hand light-emitting member 40 to rotate. In this embodiment, the main control board 16 adjusts the torque output by the first driving member 50 according to the position of the first rotating member 30 and the influence of gravity, so as to ensure that the first driving member 50 maintains a stable rotation speed.
Specifically, the first driving member 50 includes a first motor 501, a first driving gear 502, and a first reduction gear 503. The first motor 501 is rotatably connected to a first drive gear 502, and the first drive gear 502 is engaged with a first reduction gear 503. The first motor 501 is fixed on the bearing portion 301 of the first rotating member 30, a through hole (not shown) is formed on the first bearing portion 301, and the first reduction gear 503 passes through the through hole to engage with the rack on the first ring rail 20. The first motor 501 drives the first driving gear 502 to rotate, so as to drive the first reduction gear 503 to rotate, thereby moving the first rotating member 30 relative to the first annular guide rail 20. Since the first rotating member 30 is slidably mounted on the first endless track 20, the first driving member 50 drives the first rotating member 30 to move along the first endless track 20 at all times, i.e. to slide on the first endless track 20. Meanwhile, in this embodiment, the first reduction gear 503 is provided to increase the torque output by the first motor 501 and reduce the rotation speed of the first motor 501, thereby saving energy.
The second driving member is identical in structure to the first driving member 50, and includes a second motor, a second driving gear, and a second reduction gear (not shown). The second motor is rotationally connected with the second driving gear, and the second driving gear is meshed with the second reduction gear. The second motor is fixed to the second rotating member 31, and the second reduction gear is engaged with the rack gear on the second endless guide rail 21. The second motor drives the second driving gear to rotate, so as to drive the second reduction gear to rotate, thereby moving the second rotating member 31 along the second annular guide rail 21.
When projection clock 100 includes third endless track 22 and third rotating member 32, projection clock 100 also includes a third driving member. The third driving member is identical to the first driving member 50 in structure, and includes a third motor, a third driving gear and a third reduction gear (not shown). The third motor is rotationally connected with a third driving gear, and the third driving gear is meshed with a third reduction gear. A third motor is fixed to the third rotating member 32 and a third reduction gear is engaged with a rack on the third endless guide rail 22. The third motor drives the third driving gear to rotate, so as to drive the third reduction gear to rotate, thereby enabling the third rotating member 32 to move along the third annular guide rail 22.
In this embodiment, the first motor 501, the second motor, and the third motor are all motors, and in other embodiments, the first motor 501, the second motor, and the third motor may be other driving sources. The transmission speed ratio of the first reduction gear 503, the second reduction gear, and the third reduction gear is 1:12: 720. The "transmission speed" referred to herein means a speed at which the first reduction gear 503 is transmitted to the first endless guide 20, or a speed at which the second reduction gear is transmitted to the second endless guide 21, or a speed at which the third reduction gear is transmitted to the third endless guide 22. That is, the ratio of the angular speed of the first rotating member 30, the second rotating member 31 and the third rotating member 32 relative to the central axis of the housing 10 is 1:12:720, when the first rotating member 30 rotates by 30 °, the second rotating member 31 rotates by 360 °, i.e., by one turn, and the third rotating member 32 rotates by 21600 °, i.e., by 60 turns, which takes one hour.
Referring to fig. 2-4, the projection clock 100 further includes a plurality of first bearings 60, a plurality of second bearings, a plurality of first fixing posts and a plurality of second fixing posts (not shown), the plurality of first fixing posts are fixed on the first rotating member 30, one first bearing 60 is sleeved on one first fixing post, the first bearing 60 rotates around the first fixing post, and the first annular guide rail 20 is attached to an outer surface of the first bearing 60. A plurality of second fixed columns are fixed on second rotating piece 31, a second bearing is sleeved on one second fixed column, the second bearing rotates around the second fixed column, and a second ring is attached to the outer surface of the second bearing.
In this embodiment, the number of the first bearings 60 and the number of the first fixing columns are four. Two of the first fixing posts are fixed on the first extending portion 302 of the first rotating member 30, and the other two of the first fixing posts are fixed on the second extending portion 303 of the first rotating member 30. The inner and outer rings of the first annular rail 20 each have a sliding surface against which the outer surface of the first bearing 60 abuts. The first bearing 60 can reduce the friction between the first circular guide 20 and the first rotating member 30, so as to reduce the blocking effect of the first circular guide 20 on the movement of the first rotating member 30, and simultaneously ensure the stable contact between the first rotating member 30 and the first circular guide 20, thereby increasing the accuracy of the time indicated by the projection clock 100.
The number of the second bearings and the number of the second fixing columns are also four, two of the second fixing columns are fixed on the first extending portion of the second rotating member 31, and the other two of the second fixing columns are fixed on the second extending portion of the second rotating member 31. The inner ring and the outer ring of the second annular guide rail 21 both have sliding surfaces, and the outer surfaces of the second bearings are attached to the sliding surfaces. The second bearing can reduce the friction force between the second annular guide rail 21 and the second rotating member 31, so as to reduce the blocking effect of the second annular guide rail 21 on the movement process of the second rotating member 31, ensure the stable contact between the second rotating member 31 and the second annular guide rail 21, and increase the accuracy of the time indicated by the projection clock 100.
When projection clock 100 includes third endless guide 22 and third rotating member 32, projection clock 100 further includes a plurality of third bearings and a plurality of third fixing posts. A plurality of third fixed columns are fixed on the third rotating member 32, a third bearing is sleeved on one third fixed column, the third bearing rotates around the third fixed column, and the third annular guide rail 22 is attached to the outer surface of the third bearing. In this embodiment, the number of the third bearings and the number of the third fixing columns are four, two of the third fixing columns are fixed on the first extending portion of the third rotating member 32, and the other two of the third fixing columns are fixed on the second extending portion of the third rotating member 32. The inner and outer rings of the third annular rail 22 each have a sliding surface, and the outer surfaces of the third bearings are each attached to the sliding surfaces. The third bearing can reduce the friction between the third annular guide rail 22 and the third rotating member 32, so as to reduce the blocking effect of the third annular guide rail 22 on the movement of the third rotating member 32, and ensure the stable contact between the third rotating member 32 and the third annular guide rail 22, thereby increasing the accuracy of the time indicated by the projection clock 100.
Referring to fig. 2 and 3, the projection clock 100 further includes a first detecting element and a second detecting element (not shown), the first detecting element is connected to the first driving element 50 and the main control board 16, the first detecting element is used for detecting a rotation speed of the first driving element 50 to generate a detection data and transmitting the detection data to the main control board 16, and the main control board 16 is used for adjusting the rotation speed of the first driving element 50 according to the detection data. The second detection piece is connected with the second driving piece and the main control board 16, the second detection piece is used for detecting the rotating speed of the second driving piece so as to generate detection data and transmitting the detection data to the main control board 16, and the main control board 16 is used for adjusting the rotating speed of the second driving piece according to the detection data.
When the gear is influenced by external environment, the driving member itself, or friction during rotation of the gear, the deviation between the rotation speed of the first driving member 50 or the rotation speed of the second driving member and the preset rotation speed may occur. By arranging the first detecting member, the first detecting member detects the actual rotating speed of the first rotating member 30 in real time to obtain the detection data, and when the detection data is deviated from the preset rotating speed, the main control board 16 controls the rotating speed of the first motor 501 according to the detection data, so as to adjust the rotating speed of the first rotating member 30. The second detecting member detects the actual rotating speed of the second rotating member 31 in real time to obtain the detected data, and when the detected data deviates from the preset rotating speed, the main control board 16 controls the rotating speed of the second motor according to the detected data, thereby adjusting the rotating speed of the second rotating member 31. Thus, the accuracy of the time displayed by projection clock 100 is ensured.
When projection clock 100 includes third rotation member 32 and the third driving member, projection clock 100 further includes a third detection member. The third detecting element is connected to the third driving element and the main control board 16, the third detecting element is used for detecting the rotation speed of the third driving element to generate detection data and transmitting the detection data to the main control board 16, and the main control board 16 adjusts the rotation speed of the third driving element according to the detection data.
The projection clock 100 further includes a time adjustment module (not shown), the time adjustment module is connected to the main control board 16, the time adjustment module is configured to receive an external time signal and transmit the time signal to the main control board 16, and the main control board 16 is configured to adjust an hour hand position and a minute hand position according to the time signal. In this embodiment, the timing module is disposed on the main control board 16 and electrically connected to the main control board 16. The external time signal received by the timing module can be obtained by a GPS signal or a Beidou signal. Specifically, the timing module detects an external time signal, and the detecting element detects the time currently indicated by the projection clock 100. When the external time is different from the currently indicated time, the main control board 16 controls the first driving member 50 and the second driving member to operate according to the external time signal, so as to drive the first rotating member 30 and the second rotating member 31 to move, so as to change the hour hand position and the minute hand position, so that the time indicated by the projection clock 100 is the external time, thereby increasing the accuracy of the time displayed by the projection clock 100.
Referring to fig. 2 to 4, the first time-hand light emitting member 40 is fixed on the first rotating member 30 and rotates with the rotation of the first rotating member 30, so that the position indicated by the first time-hand light is changed. The first minute hand light emitting member is fixed on the second rotating member 31 and rotates along with the rotation of the second rotating member 31, so that the position indicated by the first minute hand light is changed.
The first time-hand illuminating member 40 and the first minute-hand illuminating member each include an illuminating portion and an imaging portion (not shown), and the illuminating portion emits light to the outside of the housing 10 after passing through the imaging portion. In this embodiment, the light emitting portion is an LED light source. In other embodiments, the light emitting portion may be any other light source capable of emitting light. The imaging part is provided with a preset shape, and the preset shape can be an arrow, a heart or a love heart and the like. The light passes through the imaging portion to form a predetermined shape, and then exits to the outside of the housing 10. In this embodiment, the predetermined shape on the imaging portion is an arrow, the first hour hand light and the first minute hand light exit to the outside of the housing 10 after passing through the imaging portion, and a pointer with an arrow is formed on the time scale 15.
In an embodiment of the present application, the first rotating member 30 is further provided with a second hour hand light emitting member 401, the second hour hand light emitting member 401 emits a second hour hand light emitted toward the center of the housing 10, and the second hour hand light and the first hour hand light are used together for indicating an hour hand position. The second rotating member 31 is further provided with a second split-pin light emitting member (not shown), which emits a second split-pin light emitted toward the center of the housing 10, and the second split-pin light and the first split-pin light are used together for indicating the split-pin position.
The second hour hand illuminator 401 and the second minute hand illuminator have the same structure as the first hour hand illuminator 40. The projections of the second hour hand light and the first hour hand light on the time scale 15 are on the same straight line, together forming an hour hand light. The projections of the second minute hand light and the first minute hand light on the time scale 15 are on the same straight line, and together form the minute hand light. Inner wall 11 and outer wall 12 are transparent casing 10, and first hour hand light and first minute hand light are jetted out from outer wall 12, and second hour hand light and second minute hand light are jetted out from inner wall 11. The first rotating member 30 rotates to drive the first hour hand light emitting member 40 and the second hour hand light emitting member 401 to rotate synchronously, so as to drive the first hour hand light and the second hour hand light to rotate synchronously, thereby indicating the hour hand position together. The second rotating member 31 rotates to drive the first minute hand light emitting member and the second minute hand light emitting member to rotate synchronously, so as to drive the first minute hand light and the second minute hand light to rotate synchronously, thereby indicating the minute hand position jointly.
When the projection clock 100 includes the third rotating member 32, the projection clock 100 further includes a third second hand light emitting member (not shown) provided on the third rotating member 32, and the second hand light emitting member emits a second hand light ray emitted toward the center of the housing 10, and the second hand light ray and the first second hand light ray are used together for indicating the second hand position. The first second hand ray is emitted from the outer wall 12, the second hand ray is emitted from the inner wall 11, and the second hand ray and the first second hand ray are projected on the same straight line on the time scale 15 to form a second hand ray. The third rotating member 32 rotates to drive the first second hand light emitting member and the second hand light emitting member to rotate synchronously, thereby driving the first second hand light and the second hand light to rotate synchronously to indicate the position of the second hand together.
Referring to fig. 2 and 5, the projection clock 100 further includes a first power supply component 61, a second power supply component 62, a first conductive component 64, and a second conductive component, and both the first power supply component 61 and the second power supply component 62 are electrically connected to the main control board 16. The first power supply member 61 is fixed to the first ring rail 20, the first conductive member 64 is fixed to the first rotating member 30 and electrically connected to the first hour hand lighting member 40, and the first conductive member 64 is also electrically connected to the first power supply member 61. The second power supply element 62 is fixed on the second annular rail 21, the second conductive element is fixed on the second rotating element 31 and electrically connected with the first minute hand luminous element, and the second conductive element is also electrically connected with the second power supply element 62.
Specifically, the first power supply member 61 has a ring shape. The first power supply member 61 is fixed to the first endless track 20 in the circumferential direction of the first endless track 20. The first conductive member 64 is fixed to the first rotating member 30 and connected to the first hour hand light emitting member 40 by a wire. The electrical signal on the first power supply member 61 is transmitted to the first time-point illuminating member 40 through the first conductive member 64. When the projection clock 100 includes the second hour hand light emitting member 401, the first conductive member 64 is also electrically connected to the second hour hand light emitting member 401. The electrical signal of the second power supply member 62 is simultaneously transmitted to the second hour hand luminous member 401 through the first conductive member 64.
Referring to fig. 6, the first conductive member 64 includes a fixing portion 641 and an elastic portion 642, the elastic portion 642 is disposed on the fixing portion 641, a surface of the fixing portion 641 away from the elastic portion 642 is fixed on the first rotating member 30, and the elastic portion 642 is elastically connected to the first power supply member 61. The elastic portion 642 may be a spring or other elastic object. The outer surface of the elastic sheet can be planar or arc-shaped. In this embodiment, the elastic portion 642 is an arc-shaped elastic sheet. The two ends of the arc-shaped elastic piece are respectively fixed on the fixing portion 641, and the arc-shaped elastic piece deforms toward the fixing portion 641 when receiving an acting force toward the fixing portion 641.
The first conductive member 64 is located between the first power supply member 61 and the first rotating member 30, the surface 641a of the fixing portion 641 away from the elastic portion 642 is fixed on the first rotating member 30, and the outer surface 642a of the elastic portion 642 contacts with the first power supply member 61 to take power from the first power supply member 61. The rotation of the first rotating member 30 drives the first conductive member 64 to rotate, and since the first power supply member 61 is annular and the first power supply member 61 is located on the motion track of the first conductive member 64, the first conductive member 64 always contacts with the first power supply member 61 and continuously takes power from the first power supply member 61.
Specifically, the first power feeding element 61 may abut against the outer surface 642a of the elastic portion 642 to generate a biasing force on the elastic portion 642, thereby deforming the elastic portion 642 in the direction of the fixing portion 641. At this time, the elastic portion 642 generates an acting force on the first power supply element 61 due to a resilient force, so that the first conductive element 64 is more stably contacted with the first power supply element 61, and it is ensured that the electrical signal of the first power supply element 61 can be stably transmitted to the first time-point light emitting element 40 through the first conductive element 64. In this embodiment, a bearing is disposed on a surface of the first rotating member 30 opposite to the first conductive member 64. In other embodiments, the surface of the first rotating member 30 opposite to the first conductive member 64 may be coated with a lubricant to reduce the friction between the first rotating member 30 and the first annular rail 20.
Further, a limiting portion (not shown) is further disposed on the first conductive member 64. In this embodiment, the limiting portion is disposed between the elastic portion 642 and the fixing portion 641. When the elastic portion 642 is deformed toward the fixing portion 641 by an acting force, the limiting portion stops the elastic portion 642 from being deformed continuously, so as to ensure that the deformation of the elastic portion 642 is within an elastic recovery range, and avoid the phenomenon that the elastic portion 642 cannot rebound due to excessive deformation.
Referring to fig. 2, the projection clock 100 further includes a second power supply component 62 and a second conductive component (not shown), the second power supply component 62 and the first power supply component 61 are identical in structure, and the second conductive component and the first conductive component 64 are identical in structure. The second power supply 62 is electrically connected to the main control board 16, and the second power supply 62 is fixed to the second endless rail 21. The second conductive member is fixed on the second rotating member 31 and electrically connected to the first minute hand light emitting member, and the second conductive member is also electrically connected to the second power supplying member 62. Specifically, the second power supply member 62 is fixed to the second endless track in the circumferential direction of the second endless track. The electrical signal of the second power supply member 62 is transmitted to the first minute hand lighting member through the second conductive member. When projection clock 100 includes a second pin light emitting element, the second conductive member is also electrically connected to the second pin light emitting element. The electrical signal on the second power supply member 62 is simultaneously transmitted to the second pin light emitting member through the second conductive member. The second electrically conductive member is of the same construction as the first electrically conductive member 64. The second conductive member rotates along with the rotation of the second rotating member 31, and continuously draws power from the second power supply member 62.
When the projection clock 100 includes the third circular track and the third rotating member 32, the projection clock 100 further includes a third power supply member 63 and a third conductive member (not shown). The third power supply member 63 is fixed to the first ring rail 20 and electrically connected to the main control board 16. The third conductive member is fixed to the third rotating member 32 and electrically connected to the first second hand light emitting member, and the third conductive member is also electrically connected to the third power supplying member 63. The third power supply member 63 has the same structure as the first power supply member 61, and the third power supply member 63 is fixed to the third endless track in the circumferential direction of the third endless track. The electric signal of the third power supply member 63 is transmitted to the first second hand light emitting member through the third conductive member. When the projection clock 100 includes the second hand light emitting member, the third conductive member is also electrically connected to the second hand light emitting member. The electric signal of the third power supply member 63 is simultaneously transmitted to the second hand light emitting member through the third conductive member. The third conductive member has the same structure as the first conductive member 64. The third conductive member rotates with the rotation of the third rotating member 32, and continuously draws power from the third power supply member 63.
Referring back to fig. 1, upper cover 14 may be used to display parameters of projection clock 100. The upper cover 14 may be provided as a display screen for displaying the time of the projection clock 100, or the temperature and humidity of the environment, etc.
In one embodiment, a temperature/humidity sensor and/or a light sensor is provided on the function board. In this embodiment, the function board is provided with a temperature and humidity sensor and a light sensor.
The housing 10 is further provided with a lens, and light of the surrounding environment of the projection clock 100 is irradiated to the light sensor through the lens, and the light sensor senses the intensity of the ambient light. The main control panel 16 adjusts the brightness of the light emitted from the hour hand light emitting element, the minute hand light emitting element, and the second hand light emitting element by the intensity of the ambient light. When the intensity of the ambient light is strong, the main control board 16 enhances the brightness of the hour, minute and second hand lights so that the user can see the time indicated by the projection clock 100 more clearly. When the intensity of the ambient light is weak, the main control panel 16 weakens the brightness of the hour hand light, the minute hand light and the second hand light, so as to achieve the purpose of saving electric quantity.
The projection clock 100 further comprises an intelligent adjusting module, and the intelligent adjusting module is connected with the terminal device in a cloud mode. The terminal equipment can be a computer, a smart phone or a smart watch. In this embodiment, the terminal device is a smart phone. Parameters of the projection clock 100, such as time, light emitting element status or environmental information, may be transmitted and displayed on the smart phone. The smart phone may also send an instruction to the smart adjustment module, so that the projection clock 100 adjusts the time or the state of the light emitting element by the instruction.
Referring to fig. 7 and 8, another embodiment of the present application is different from the previous embodiment in that the housing 10 is cylindrical, the outer wall 12 is fixedly connected to the time scale 15, and the central axis of the housing 10 is perpendicular to the surface of the time scale 15 and passes through the center of the time scale 15. The upper cover 14 covers the other end of the outer wall 12 to enclose the housing space 1. A fixing lever 17 is further provided in the case 10, and the fixing lever 17 is connected to the center of the time scale 15, is perpendicular to the surface of the time scale 15, and extends toward the upper cover 14 in the direction of the central axis of the case 10.
In another embodiment of this embodiment, the housing 10 may also include a bottom wall. The bottom wall and the upper cover 14 are respectively connected with the two opposite ends of the side wall to form the accommodating space 1. The outer surface of the bottom wall is fixed to the time scale 15, and the central axis of the casing 10 is perpendicular to the surface of the time scale 15 and passes through the center of the time scale 15. In the present embodiment, the fixing rod 17 is connected to the center of the bottom wall, is perpendicular to the surface of the bottom wall 13, and extends toward the upper cover 14 along the central axis direction of the housing 10.
Referring to fig. 8, in the present embodiment, the projection clock 100 further includes a first weight 71 and a second weight 72, the first weight 71 is disposed on the first circular rail 20, the first weight 71 and the first rotating member 30 are disposed at two ends of the diameter of the first circular rail 20, and the first weight 71 is connected to the first rotating member 30. The second weight 72 is disposed on the second annular guide rail 21, the second weight 72 and the second rotating member 31 are disposed at two ends of the diameter of the second annular guide rail 21, and the second weight 72 is connected to the second rotating member 31.
Specifically, the second weight block 72 and the second rotating member 31 are connected by a connecting rod 70, and the second weight block 72 and the second rotating member 31 are respectively located at two opposite ends of the connecting rod 70. The connecting rod 70 is provided with an axial mounting groove 701 at the center, and the connecting rod 70 is sleeved on the fixing rod 17 through the mounting groove 701 and can rotate around the fixing rod 17. When the second rotating member 31 slides along the second annular rail 21, the connecting rod 70 is driven to rotate around the fixing rod 17, so as to drive the second balancing weight 72 to slide along the second annular rail 21. And, when the second rotating member 31 moves, the second weight 72 and the second rotating member 31 are always located at both ends of the diameter of the second endless guide rail 21. When the projection clock 100 is hung on a background surface and the second rotating member 31 moves downward, i.e. from the highest point to the lowest point, the acting force applied by the second weight 72 to the second rotating member 31 through the connecting rod 70 can counteract a part of the gravity of the second rotating member 31, so as to reduce the resultant force of the second rotating member 31 in the vertical direction. Therefore, the motor load of the second driving member is more stable, the motor is protected, and the accuracy of the time indicated by the projection clock 100 is improved.
Referring to fig. 8, the first weight member 71 and the second weight member 72 have the same structure. The first weight 71 is disposed on the first circular guide rail 20, the first weight 71 and the first rotating member 30 are disposed at two ends of the diameter of the first circular guide rail 20, and the first weight 71 is connected to the first rotating member 30. When the first rotating member 30 slides along the first circular guide rail 20, the first weight member 71 is driven to slide along the first circular guide rail 20. And, when the first rotating member 30 moves, the first weight 71 and the first rotating member 30 are always located at both ends of the diameter of the first endless track 20. The first weight 71 functions to increase the stability of the motor of the first driving member 50, and at the same time, can increase the accuracy of the time indicated by the projection clock 100.
When the projection clock 100 includes the third rotating member 32 and the third annular guide 22, the projection clock 100 further includes a third weight block having the same structure as the first weight block 71. The third balancing weight is disposed on the third annular guide rail 22, and the third balancing weight and the third rotating member 32 are disposed at two ends of the diameter of the third annular guide rail 22, and the third balancing weight is connected to the third rotating member 32. When the third rotating member 32 slides along the third annular guide rail 22, it drives the third counterweight block to slide along the third annular guide rail 22. And, when the third rotating member 32 moves, the third weight block and the third rotating member 32 are always located at both ends of the diameter of the third endless guide 22. The third weight member functions to increase the stability of the motor of the third driving member, and at the same time, can increase the accuracy of the time indicated by the projection clock 100.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A track type projection clock is characterized by comprising a first annular guide rail, a second annular guide rail, a first rotating piece, a second rotating piece and a shell with an accommodating space, wherein the first annular guide rail, the second annular guide rail, the first rotating piece and the second rotating piece are all arranged in the accommodating space, the first annular guide rail and the second annular guide rail are arranged at intervals, and the first annular guide rail and the second annular guide rail are fixed on the inner wall of the shell;
the first rotating piece is arranged on the first annular guide rail and can slide along the first annular guide rail, a first time hand light-emitting piece is arranged on the first rotating piece, the first time hand light-emitting piece emits first time hand light emitted towards the outside of the shell, the first time hand light is used for indicating the position of an hour hand, and the first rotating piece slides on the first annular guide rail so as to drive the position of the first time hand light-emitting piece to change;
the second rotating piece is arranged on the second annular guide rail and can slide along the second annular guide rail, a first minute hand light-emitting piece is arranged on the second rotating piece, the first minute hand light-emitting piece emits first minute hand light rays emitted towards the outside of the shell, the first minute hand light rays are used for indicating the minute hand position, and the second rotating piece slides on the second annular guide rail so as to drive the position of the first minute hand light-emitting piece to change;
the hour hand position and the minute hand position change to indicate time collectively.
2. The projection clock of claim 1, further comprising a third endless track and a third rotating member, the third annular guide rail and the third rotating piece are arranged in the accommodating space, the third annular guide rail, the first annular guide rail and the second annular guide rail are arranged at intervals, and the third annular guide rail is fixed on the inner wall of the shell, the third rotating piece is arranged on the third annular guide rail, and can slide along the third annular guide rail, a first second hand light-emitting piece is arranged on the third rotating piece, the first second hand light emitting member emits a first second hand light emitted toward the outside of the housing, the first second hand light indicating a second hand position, the third rotating piece slides on the third annular guide rail to drive the position of the first second hand light to change.
3. The projection clock of claim 1, wherein the first rotating member is further provided with a second hour hand light emitting member, the second hour hand light emitting member emits a second hour hand light ray emitted toward the center of the housing, and the second hour hand light ray and the first hour hand light ray are used together for indicating an hour hand position; still be equipped with the second on the second rotating member and divide the needle light-emitting component, the second divides the needle light-emitting component to send the orientation the second that the casing center jetted out divides the needle light, the second divide the needle light with first minute hand light is used for the instruction jointly and divides the needle position.
4. The projection clock of claim 3, wherein the housing includes an inner wall and an outer wall covering the inner wall, the inner wall and the outer wall are spaced apart to form the receiving space, the first hour hand light and the first minute hand light are emitted from the outer wall, and the second hour hand light and the second minute hand light are emitted from the inner wall.
5. The projection clock of claim 1, wherein the projection clock comprises a first weight and a second weight, the first weight is disposed on the first circular guide, the first weight and the first rotating member are disposed at two ends of the diameter of the first circular guide, and the first weight is connected to the first rotating member; the second balancing weight is arranged on the second annular guide rail, the second balancing weight and the second rotating piece are located at two ends of the diameter of the second annular guide rail, and the second balancing weight is connected with the second rotating piece.
6. The projection clock of any one of claims 1-5, further comprising a main control board, a first driving member and a second driving member, wherein the main control board is connected to the first driving member and the second driving member, and the main control board is configured to control the first driving member and the second driving member to rotate; the first driving piece is fixed on the first rotating piece and meshed with the first annular guide rail, and the first driving piece is used for driving the first rotating piece to move along the first annular guide rail so as to drive the first time-point light-emitting piece to rotate; the second driving piece is fixed on the second rotating piece and meshed with the second annular guide rail, and the second driving piece is used for driving the second rotating piece to move along the guide rail, so that the first minute hand luminous piece is driven to rotate.
7. The projection clock of claim 6, further comprising a first power supply component, a second power supply component, a first conductive component, and a second conductive component, wherein the first power supply component and the second power supply component are both electrically connected to the main control board; the first power supply part is fixed on the first annular guide rail, the first conductive part is fixed on the first rotating part and is electrically connected with the first time-point luminous part, and the first conductive part is also electrically connected with the first power supply part; the second power supply part is fixed on the second annular guide rail, the second conductive part is fixed on the second rotating part and electrically connected with the first minute hand luminous part, and the second conductive part is also electrically connected with the second power supply part.
8. The projection clock of claim 7, wherein the first conductive member includes a fixing portion and an elastic portion, the elastic portion is disposed on the fixing portion, a surface of the fixing portion away from the elastic portion is fixed on the first rotating member, and the elastic portion is elastically connected to the first power supply member.
9. The projection clock of claim 7 or 8, wherein the projection clock further comprises a timing module, the timing module is connected to the main control board, the adjusting module is configured to receive an external time signal and transmit the time signal to the main control board, and the main control board is configured to adjust the hour hand position and the minute hand position according to the time signal.
10. The projective clock of claim 9, further comprising a first detecting element and a second detecting element, wherein the first detecting element is connected to the first driving element and the main control board, the first detecting element is configured to detect a rotation speed of the first driving element to generate detection data and transmit the detection data to the main control board, and the main control board is configured to adjust the rotation speed of the first driving element according to the detection data; the second detection piece is connected with the second driving piece and the main control board, the second detection piece is used for detecting the rotating speed of the second driving piece so as to generate detection data, the detection data are transmitted to the main control board, and the main control board is used for adjusting the rotating speed of the second driving piece according to the detection data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110246718.9A CN112904694B (en) | 2021-03-05 | 2021-03-05 | Rail type projection clock |
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| CN202110246718.9A CN112904694B (en) | 2021-03-05 | 2021-03-05 | Rail type projection clock |
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| CN112904694B CN112904694B (en) | 2022-06-28 |
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| Publication number | Publication date |
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| CN112904694B (en) | 2022-06-28 |
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