CN209433196U

CN209433196U - The laser projection clock of accident power-off protection

Info

Publication number: CN209433196U
Application number: CN201822263547.7U
Authority: CN
Inventors: 邓驰
Original assignee: Zhuhai Laitan Technology Co Ltd
Current assignee: Zhuhai Laitan Technology Co Ltd
Priority date: 2018-12-31
Filing date: 2018-12-31
Publication date: 2019-09-24
Anticipated expiration: 2028-12-31

Abstract

The utility model 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 utility model does not need proof time again in the case where external power blackout situation and electric quantity of lithium battery do not exhaust.

Description

The laser projection clock of accident power-off protection

Technical field

The utility model 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.

Utility model content

The utility model proposes a kind of laser projection clocks of accident power-off protection, solve laser pointer clock in the prior art It being not appropriate for hanging on wall and use, the space occupied is larger, in addition, existing laser clock is powered by external power supply mostly, If power-off, needs proof time again, more troublesome problem.

The technical solution of the utility model is achieved in that

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 shaft assembly, and the opposite two sides of the center pass through connecting plate and institute It states cylindric minute hand turntable to be fixedly connected, wherein the connecting plate number of side is 2, constitutes an appearance for accommodating minute hand laser diode Receive 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 shaft assembly, and the opposite two sides of central tube pass through connecting plate and the fixed company of cylindric hour hands turntable It connects, 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 utility model has the beneficial effects that: being motor power supply by lithium battery, in external power blackout situation and lithium battery Amount does not need proof time again under not exhausting.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain 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 utility model；

Fig. 2 is a kind of structural schematic diagram of the laser projection clock of accident power-off protection of the utility model；

Fig. 3 is a kind of fractionation structural representation of the laser projection clock of accident power-off protection of the utility model；

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

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Fig. 1-Fig. 7, the utility model proposes a kind of laser projection clocks of accident power-off protection, including laser to throw Shadow host 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 cord 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 two Pole pipe 52 and minute hand laser diode 62 are powered, and main control chip controls motor 7 and drives hour hands laser diode 52 and minute hand laser Diode 62 rotates.The concatenated hour hands laser diode 52 of P2 connection and minute hand laser diode 62, two pole of hour hands laser in Fig. 1 The settable one layer of semi-transparent film of the laser projection mouth of pipe 52, the laser brightness for reducing the two are poor.Circuit structure in Fig. 1 can be with 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 utility model further includes Middle shaft assembly 1, bypasses 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, motor 7 Output 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 side The rotation of road reduction assemblies, 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 shaft assembly, the opposite two sides of center 611 pass through connecting plate and cylindric minute hand turntable 61 It is fixedly connected, 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 shaft assembly, and the opposite two sides of central tube 511 pass through connecting plate and cylindric hour hands turntable 51 are fixedly connected, and wherein the connecting plate number of side is 2, constitute an accommodating chamber for accommodating hour hands laser diode 52.Central tube 511 upper and lower side is 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, and the 4th Gear 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, and bearing is fixed The side of bracket 23 is equipped with spring base 9 and spring (not shown), and spring and spring base 9 are by the Internal and external cycle of the first, second bearing 22 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 An also settable buckle 4, uses with spring base 9 and spring collocation.Fixation kit 3 includes fixed bracket 31,32 and of fixing bearing The main structure of plastic support ring 33, the fixed bracket 31 is cylindrical structure, and the fixing bearing 32 is fixed on the fixation The top of the main structure of bracket 31, the plastic support ring 33 are located at the lower section of the main structure of the fixed bracket 31, modeling Material support ring 33 allows the parts space of rotation to open distance, and it is solid that the side wall of the main structure of the fixed bracket 31 is extended with a shaft Fixed 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.Axis Two circular holes 25 of bearing assembly 2 and the fixed pin in bottom case are clamped, and one of circular hole 25 is equipped with semicircle orifice 25, can allow and lead Line avoids 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 utility model is constant-current supply power supply using external power cord, and constant-current supply is 52 He of hour hands laser diode Minute hand laser diode 62 provides adjustable constant current, does not consume the electricity of lithium battery, and lithium battery is the power supply of motor 7, even if External power cord power-off, 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 rotates, i.e., the time representated by the laser pointer of the two projection is still correctly, in external power blackout situation and lithium Battery capacity does not need proof time again under not exhausting.

Above-mentioned technical proposal discloses the improvement of the utility model, the technology contents not being disclosed in detail, can be by this field Technical staff is achieved by the prior art.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims

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 accident power-off protection according to claim 1, 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 accident power-off protection according to claim 1, 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 accident power-off according to claim 1 protection, it is characterised in that: further include Middle shaft assembly, It is equal to bypass reduction assemblies, hour hands driving assembly and minute hand driving assembly, the hour hands driving assembly and the minute hand driving assembly It covers 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 tooth Wheel disc engagement, drives the Middle shaft assembly 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, 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 shaft assembly, the opposite two sides of the center are fixedly connected by connecting plate with the cylindric minute hand turntable, wherein one The connecting plate number of side is 2, constitutes an accommodating chamber for accommodating minute hand laser diode.

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 shaft assembly, center The opposite two sides of cylinder are fixedly connected by connecting plate with cylindric hour hands turntable, and wherein the connecting plate number of side is 2, constitute one Accommodate 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 set There is knob, the knob is connect with the constant-current supply, is controlled the constant-current supply and is exported adjustable constant-current supply, described in adjusting The pointer brightness of hour hands laser diode and the minute hand laser diode.