CN109541925A - The laser projection clock of accident power-off protection - Google Patents
The laser projection clock of accident power-off protection Download PDFInfo
- Publication number
- CN109541925A CN109541925A CN201811653406.4A CN201811653406A CN109541925A CN 109541925 A CN109541925 A CN 109541925A CN 201811653406 A CN201811653406 A CN 201811653406A CN 109541925 A CN109541925 A CN 109541925A
- Authority
- CN
- China
- Prior art keywords
- hour hands
- laser diode
- minute hand
- laser
- laser projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B29/00—Combinations of cameras, projectors or photographic printing apparatus with non-photographic non-optical apparatus, e.g. clocks or weapons; Cameras having the shape of other objects
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
Abstract
The invention discloses a kind of laser projection clocks of accident power-off protection, including laser projection host and around the scale assembly of laser projection host setting, laser projection host includes hour hands laser diode, minute hand laser diode, motor, lithium battery, main control chip and constant-current supply, laser projection host is also connected with external power cord, external power cord is that lithium battery charges and is constant-current supply power supply, lithium battery is motor power supply, constant-current supply is that hour hands laser diode and minute hand laser diode are powered, main control chip controls motor driven hour hands laser diode and the rotation of minute hand laser diode.The present invention does not need proof time again in the case where external power blackout situation and electric quantity of lithium battery do not exhaust.
Description
Technical field
The present invention relates to clock and watch, particularly relate to a kind of laser projection clock of accident power-off protection.
Background technique
Wall clock is a kind of daily necessity that can indicate information on user's time.Currently, wall clock is quite universal, it is
A kind of common product, although shape can be ever-changing, for some single wall clock, size be it is fixed,
It can not change.
Existing laser pointer clock, is to project clock on screen mostly, and picture is incident upon curtain similar to projector
On, this kind of laser pointer clocks, which are not appropriate for hanging on wall, to be used, and the space occupied is larger.In addition, existing laser clock
It is powered mostly by external power supply, it is more troublesome if power-off, needs proof time again.
Summary of the invention
The present invention proposes a kind of laser projection clock of accident power-off protection, solves in the prior art that laser pointer clock is not
It is suitble to hang on wall and uses, the space occupied is larger, in addition, existing laser clock is powered by external power supply mostly, if disconnected
Electricity then needs proof time again, more troublesome problem.
The technical scheme of the present invention is realized as follows:
A kind of laser projection clock of accident power-off protection, including laser projection host and set around the laser projection host
The scale assembly set, the laser projection host include hour hands laser diode, minute hand laser diode, motor, lithium battery, master
Chip and constant-current supply are controlled, the laser projection host is also connected with external power cord, and the external power cord is the lithium electricity
Pond charges and is the constant-current supply power supply, and the lithium battery is motor power supply, and the constant-current supply swashs for the hour hands
Optical diode and minute hand laser diode power supply, the main control chip control two pole of hour hands laser described in the motor driven
Pipe and minute hand laser diode rotation.
Preferably, the laser projection host further includes the second hand laser diode for projecting second hand laser beam.
Preferably, the laser projection host includes from top to bottom successively buckling fixed top cover, translucent cover and bottom case.
It preferably, further include Middle shaft assembly, bypass reduction assemblies, hour hands driving assembly and minute hand driving assembly, when described
Needle driving assembly and the minute hand driving assembly cover on the Middle shaft assembly, and the Middle shaft assembly bottom is equipped with toothed disc,
The motor output end is engaged by gear with the toothed disc, and the Middle shaft assembly is driven to rotate, and the Middle shaft assembly drives
The minute hand driving assembly and bypass reduction assemblies rotation, the bypass reduction assemblies are engaged with the hour hands driving assembly, are driven
Move the hour hands driving assembly rotation.
Preferably, the minute hand driving assembly includes cylindric minute hand turntable, at the center of the cylindrical shape minute hand turntable
Equipped with a center, the center covers on the middle jack-post, the opposite two sides of the center by connecting plate with it is described
Cylindric minute hand turntable is fixedly connected, and wherein the connecting plate number of side is 2, constitutes a receiving for accommodating minute hand laser diode
Chamber.
Preferably, hour hands driving assembly includes cylindric hour hands turntable, is equipped in one at the center of cylindric hour hands turntable
Heart cylinder, center sleeve are located on middle jack-post, and the opposite two sides of central tube are fixedly connected by connecting plate with cylindric hour hands turntable,
Wherein the connecting plate number of side is 2, constitutes an accommodating chamber for accommodating hour hands laser diode.
Preferably, the bypass deceleration mechanism includes the first gear being located at the top of Middle shaft assembly, and first gear is engaged with
Second gear, second gear are connected with third gear by metal rotating shaft, and third gear engages the 4th gear, and the 4th gear is fixed
At the top of hour hands driving assembly.
Preferably, the aperture passed through for the external power cord is equipped at the bottom case of the laser projection host.
Preferably, the bottom case bottom is equipped with hour hands regulation button, and the hour hands regulation button and the main control chip connect
It connects, the revolving speed of the motor is adjusted by the main control chip, control the hour hands laser diode and the minute hand laser two
The revolving speed of pole pipe adjusts the time that projection pointer refers to.
Preferably, the bottom case bottom is equipped with knob, and the knob is connect with the constant-current supply, controls the Constant Electric Current
Source exports adjustable constant-current supply, adjusts the pointer brightness of the hour hands laser diode and the minute hand laser diode.
The beneficial effects of the present invention are: be that motor is powered by lithium battery, in external power blackout situation and electric quantity of lithium battery not
Proof time again is not needed under exhausting.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of circuit diagram of the laser projection clock of accident power-off protection of the present invention；
Fig. 2 is a kind of structural schematic diagram of the laser projection clock of accident power-off protection of the present invention；
Fig. 3 is a kind of fractionation structural representation of the laser projection clock of accident power-off protection of the present invention；
Fig. 4 is the structural schematic diagram for bypassing deceleration mechanism；
Fig. 5 is the structural schematic diagram of minute hand laser module；
Fig. 6 is the schematic perspective view of the depression angle of hour hands laser module；
Fig. 7 is the schematic perspective view for looking up angle of hour hands laser module.
In figure, 1- Middle shaft assembly；2- bearing assembly；21- first bearing；22- second bearing；23- bearing fixes bracket；
24- lattice；25- circular hole；3- fixation kit；31- fixes bracket；32- fixing bearing；33- plastic support ring；34- shaft is solid
Fixed arm；35- screw hole；4- buckle；5- hour hands driving assembly；51- cylindrical shape hour hands turntable；511- central tube；52- hour hands laser two
Pole pipe；53- 3rd bearing；54- fourth bearing；6- minute hand driving assembly；61- cylindrical shape minute hand turntable；611- center；62-
Minute hand laser diode；7- motor；8- bypasses deceleration mechanism；81- first gear；82- second gear；83- third gear；84-
4th gear；85- metal rotating shaft；9- spring base；10- toothed disc.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Fig. 1-Fig. 7, the invention proposes a kind of laser projection clocks of accident power-off protection, including laser projection master
Machine and the scale assembly being arranged around laser projection host, laser projection host includes hour hands laser diode 52, minute hand laser
Diode 62, motor 7, lithium battery, main control chip and constant-current supply, laser projection host are also connected with external power cord, external
Power supply line is that lithium battery charges and is constant-current supply power supply, and lithium battery is the power supply of motor 7, and constant-current supply is hour hands laser diode
52 and minute hand laser diode 62 power, main control chip controls motor 7 and drives hour hands laser diode 52 and two pole of minute hand laser
Pipe 62 rotates.The concatenated hour hands laser diode 52 of P2 connection and minute hand laser diode 62, hour hands laser diode 52 in Fig. 1
The settable one layer of semi-transparent film of laser projection mouth, the laser brightness both reduced is poor.Circuit structure in Fig. 1 can also prevent
The current reflux of laser diode.
Laser projection host further includes the second hand laser diode for projecting second hand laser beam.
Laser projection host includes from top to bottom successively buckling 4 fixed top cover, translucent cover and bottom cases.
The invention also includes Middle shaft assembly 1, bypass reduction assemblies, hour hands driving assembly 5 and minute hand driving assembly 6, hour hands
Driving assembly 5 and minute hand driving assembly 6 cover on Middle shaft assembly 1, and 1 bottom of Middle shaft assembly is equipped with toothed disc 10, and motor 7 exports
End is engaged by gear with toothed disc 10, and driving Middle shaft assembly 1 rotates, and Middle shaft assembly 1 drives minute hand driving assembly 6 and bypass to subtract
Fast component rotation, bypass reduction assemblies are engaged with hour hands driving assembly 5, and driving hour hands driving assembly 5 rotates.
Minute hand driving assembly 6 includes cylindric minute hand turntable 61, is equipped with a center at the center of cylindric minute hand turntable 61
Set 611,611 sets of center on middle jack-post, the opposite two sides of center 611 are solid by connecting plate and cylindric minute hand turntable 61
Fixed connection, wherein the connecting plate number of side is 2, constitutes an accommodating chamber for accommodating minute hand laser diode 62.
Cylindric minute hand turntable 61 is equipped with an opening corresponding with 62 position of minute hand laser diode, minute hand laser two
The laser that pole pipe 62 issues is launched by opening.The laser that minute hand laser diode 62 issues projects shell through Open Side Down
Plane where body bottom surface.
Hour hands driving assembly 5 includes cylindric hour hands turntable 51, is equipped with a center at the center of cylindric hour hands turntable 51
Cylinder 511, central tube 511 is set on middle jack-post, and the opposite two sides of central tube 511 pass through connecting plate and cylindric hour hands turntable 51
It is fixedly connected, wherein the connecting plate number of side is 2, constitutes an accommodating chamber for accommodating hour hands laser diode 52.Central tube 511
Upper and lower side be additionally provided with 3rd bearing 53 and fourth bearing 54.
Cylindric hour hands turntable 51 is equipped with an opening corresponding with 52 position of hour hands laser diode, hour hands laser two
The laser that pole pipe 52 issues is launched by opening.The laser that hour hands laser diode 52 issues projects shell through Open Side Down
Plane where body bottom surface.
Bypass deceleration mechanism 8 includes being located at the first gear 81 at 1 top of Middle shaft assembly, and first gear 81 is engaged with the second tooth
Wheel 82, second gear 82 are connected with third gear 83 by metal rotating shaft 85, and third gear 83 engages the 4th gear 84, the 4th tooth
Wheel 84 is fixed on the top of hour hands driving assembly 5.
To make the structure of laser projection host more compact, a fixation kit 3 can be set at the top of Middle shaft assembly 1,
The fixed bracket 23 of a bearing assembly 2, bearing assembly 2, including bearing is arranged in bottom, is equipped with one at the center of the fixed bracket 23 of bearing
Lattice 24,24 two sides of lattice are respectively equipped with first bearing 21 and second bearing 22, and lattice 24 is for allowing first bearing 21
It is separated with second bearing 22, the main structure of the fixed bracket 23 of bearing is cylindrical shape, and lattice 24 is annular shape, the fixed branch of bearing
The side of frame 23 is equipped with spring base 9 and spring (not shown), spring and spring base 9 by the Internal and external cycle of the first, second bearing 22 it
Between closely press, spring base 9 and spring collocation use so that 2 inner tight of bearing assembly contact.The bottom of Middle shaft assembly 1 is also
A settable buckle 4, uses with spring base 9 and spring collocation.Fixation kit 3 includes fixed bracket 31, fixing bearing 32 and modeling
Expect that support ring 33, the main structure of the fixed bracket 31 are cylindrical structure, the fixing bearing 32 is fixed on the fixed branch
The top of the main structure of frame 31, the plastic support ring 33 are located at the lower section of the main structure of the fixed bracket 31, plastics
Support ring 33 allows the parts space of rotation to open distance, and the side wall of the main structure of the fixed bracket 31 is extended with a shaft and fixes
Arm 34.The opposite two sides of fixed bracket 31 are additionally provided with outwardly extending screw hole 35, convenient for fixation kit 3 is fixed up.Bearing
Fixed pin in two circular holes 25 of component 2 and bottom case is clamped, and one of circular hole 25 is equipped with semicircle orifice 25, can allow conducting wire
Avoid toothed disc 10.
The aperture passed through for external power cord is equipped at the bottom case of laser projection host.
Bottom case bottom is equipped with hour hands regulation button, and hour hands regulation button connect with main control chip, adjusted by main control chip
The revolving speed of motor 7, control hour hands laser diode 52 and minute hand laser diode 62 revolving speed, adjust projection pointer refer to when
Between.
Bottom case bottom is equipped with knob, and knob is connect with constant-current supply, and control constant-current supply exports adjustable constant-current supply, adjusts
Save the pointer brightness of hour hands laser diode 52 and minute hand laser diode 62.
The present invention is constant-current supply power supply using external power cord, and constant-current supply is that hour hands laser diode 52 and minute hand swash
Optical diode 62 provides adjustable constant current, does not consume the electricity of lithium battery, lithium battery is the power supply of motor 7, even if external electrical
The power-off of source line, lithium battery remain as the power supply of motor 7,7 normal driving hour hands laser diode 52 of motor and minute hand laser diode
62 rotations, i.e., the time representated by the laser pointer of the two projection is still correctly, in external power blackout situation and lithium battery
Amount does not need proof time again under not exhausting.
Above-mentioned technical proposal discloses improvement of the invention, the technology contents not being disclosed in detail, can be by art technology
Personnel are achieved by the prior art.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of laser projection clock of accident power-off protection, including laser projection host and it is arranged around the laser projection host
Scale assembly, it is characterised in that: the laser projection host include hour hands laser diode, minute hand laser diode, motor,
Lithium battery, main control chip and constant-current supply, the laser projection host are also connected with external power cord, and the external power cord is
The lithium battery charges and is the constant-current supply power supply, and the lithium battery is motor power supply, and the constant-current supply is institute
Hour hands laser diode and minute hand laser diode power supply are stated, the main control chip controls hour hands described in the motor driven
Laser diode and minute hand laser diode rotation.
2. the laser projection clock of the protection of the accident power-off according to claim, it is characterised in that: the laser projection host
It further include the second hand laser diode for projecting second hand laser beam.
3. the laser projection clock of the protection of the accident power-off according to claim, it is characterised in that: the laser projection host
Including from top to bottom successively buckling fixed top cover, translucent cover and bottom case.
4. the laser projection clock of the protection of the accident power-off according to claim, it is characterised in that: further include Middle shaft assembly, side
Road reduction assemblies, hour hands driving assembly and minute hand driving assembly, the hour hands driving assembly and the minute hand driving assembly cover
On the Middle shaft assembly, the Middle shaft assembly bottom is equipped with toothed disc, and the motor output end passes through gear and the gear
Disk engagement, drives the Middle shaft assembly to rotate, and the Middle shaft assembly drives the minute hand driving assembly and bypass reduction assemblies to turn
Dynamic, the bypass reduction assemblies are engaged with the hour hands driving assembly, and the hour hands driving assembly is driven to rotate.
5. the laser projection clock of accident power-off protection according to claim 4, it is characterised in that: the minute hand driving assembly
Including cylindric minute hand turntable, it is equipped with a center at the center of the cylindrical shape minute hand turntable, the center is covered described
On middle jack-post, the opposite two sides of the center are fixedly connected by connecting plate with the cylindric minute hand turntable, wherein side
Connecting plate number be 2, constitute one accommodate minute hand laser diode accommodating chamber.
6. the laser projection clock of accident power-off according to claim 4 protection, it is characterised in that: hour hands driving assembly includes
Cylindric hour hands turntable is equipped with a central tube at the center of cylindric hour hands turntable, and center sleeve is located on middle jack-post, central tube
Opposite two sides are fixedly connected by connecting plate with cylindric hour hands turntable, and wherein the connecting plate number of side is 2, are constituted one and are held
Receive the accommodating chamber of hour hands laser diode.
7. the laser projection clock of accident power-off protection according to claim 4, it is characterised in that: the bypass deceleration mechanism
Including the first gear being located at the top of Middle shaft assembly, first gear is engaged with second gear, and second gear is connected by metal rotating shaft
It is connected to third gear, third gear engages the 4th gear, and the 4th gear is fixed on the top of hour hands driving assembly.
8. the laser projection clock of accident power-off protection according to claim 3, it is characterised in that: the laser projection host
Bottom case at be equipped with the aperture passed through for the external power cord.
9. the laser projection clock of accident power-off protection according to claim 3, it is characterised in that: the bottom case bottom is equipped with
Hour hands regulation button, the hour hands regulation button are connected with the main control chip, and adjust the motor by the main control chip
Revolving speed, control the revolving speed of the hour hands laser diode and the minute hand laser diode, adjust that projection pointer refers to when
Between.
10. the laser projection clock of accident power-off protection according to claim 3, it is characterised in that: the bottom case bottom is equipped with rotation
Button, the knob are connect with the constant-current supply, are controlled the constant-current supply and are exported adjustable constant-current supply, adjust the hour hands
The pointer brightness of laser diode and the minute hand laser diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653406.4A CN109541925A (en) | 2018-12-31 | 2018-12-31 | The laser projection clock of accident power-off protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653406.4A CN109541925A (en) | 2018-12-31 | 2018-12-31 | The laser projection clock of accident power-off protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109541925A true CN109541925A (en) | 2019-03-29 |
Family
ID=65831807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811653406.4A Withdrawn CN109541925A (en) | 2018-12-31 | 2018-12-31 | The laser projection clock of accident power-off protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541925A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115799956A (en) * | 2023-02-10 | 2023-03-14 | 广东盛田科技有限公司 | High-power optical fiber laser output head with power-off protection function |
-
2018
- 2018-12-31 CN CN201811653406.4A patent/CN109541925A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115799956A (en) * | 2023-02-10 | 2023-03-14 | 广东盛田科技有限公司 | High-power optical fiber laser output head with power-off protection function |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190329 |