CN110957620A - Rotary conductive device and laser projection clock - Google Patents
Rotary conductive device and laser projection clock Download PDFInfo
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- CN110957620A CN110957620A CN201911295696.4A CN201911295696A CN110957620A CN 110957620 A CN110957620 A CN 110957620A CN 201911295696 A CN201911295696 A CN 201911295696A CN 110957620 A CN110957620 A CN 110957620A
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- laser projection
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- hand laser
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- 230000007246 mechanism Effects 0.000 claims description 49
- 239000002184 metal Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
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Abstract
The invention discloses a rotary conductive device and a laser projection clock, belonging to the technical field of laser, and comprising a rotary middle shaft, wherein the rotary middle shaft is axially provided with a groove, one end of the rotary middle shaft is provided with a power supply input bearing pair which is respectively connected with the anode and the cathode of an input power supply, the rotary middle shaft is also provided with a power supply output bearing pair, and the power supply input bearing pair and the power supply output bearing pair are conducted. The invention can continuously supply power in the rotation process and has high power supply efficiency.
Description
Technical Field
The invention relates to the technical field of projection, in particular to a rotary conductive device and a laser projection clock.
Background
Rotating electrical conducting devices have a wide range of applications, such as in rotating laser scanning sensors or rotatable patch panels or laser projection clocks. The chinese patent publication No. CN104051894A discloses a patch board, which includes a plurality of rotary socket bodies, a power cord and a power supply circular shaft; the plurality of rotary socket bodies are sequentially and rotatably sleeved on the power supply circular shaft, the outer wall of each rotary socket body is provided with a plurality of inserting positions, and conductive contact pieces are arranged in the inserting positions; the power line penetrates through the power supply circular shaft; the outer wall of the power supply circular shaft is provided with a plurality of groups of elastic telescopic contacts at conductive contact pieces corresponding to the insertion positions of the rotary socket body, the elastic telescopic contacts are electrically connected with the power line, the elastic telescopic contacts extend out of the power supply circular shaft to be electrically contacted with the conductive contact pieces corresponding to the insertion positions of the rotary socket body in a normal state, when the rotary socket body is rotated, the elastic telescopic contacts can retract into the power supply circular shaft under the action of external force, and when the rotary socket body is rotated to a specific position, the elastic telescopic contacts can pop out to be contacted with the conductive contact pieces corresponding to the insertion positions of the power supply circular shaft. There is no guarantee that power is continuously supplied during rotation. For example, chinese patent publication No. CN205785062U discloses a rotary laser scanning sensor, which includes a rotary motor, a fixed mount, a rotary body, a sensor, and a control module, where the rotary motor and the control module are installed in the fixed mount, and the rotary motor is connected with the rotary body and the sensor through a transmission shaft; the wireless power supply module and the wireless data communication module are arranged between the fixing frame and the rotating body, the wireless power supply module and the wireless data communication module are connected with the control module, and the wireless power supply receiving module and the wireless data receiving module are arranged on the rotating body. The wireless power supply technology is used, and the power supply efficiency is not as high as that of a wired power supply.
Therefore, a rotary conductive device capable of supplying power continuously and having high power supply efficiency is required.
Disclosure of Invention
The invention provides a rotary conductive device and a laser projection clock, which can continuously supply power and have high power supply efficiency.
The technical scheme of the invention is realized as follows:
a rotary conducting device comprises a rotary middle shaft, wherein a groove is formed in the rotary middle shaft in the axial direction, a power supply input bearing pair is arranged at one end of the rotary middle shaft and is respectively connected with the positive pole and the negative pole of an input power supply, a power supply output bearing pair is further arranged on the rotary middle shaft, and the power supply input bearing pair is conducted with the power supply output bearing pair.
As a preferred embodiment of the present invention, the positive bearings of the power input bearing pair and the power output bearing pair are respectively contacted with conductive members, the conductive members are fixed in the grooves, and the two conductive members are connected by a wire; the negative bearing is connected through a metal conducting device.
As a preferred embodiment of the invention, the two negative bearings are connected by a metal spring.
As a preferred embodiment of the present invention, the input power supply is a constant current driving input power supply.
A laser projection clock comprises a rotary conductive device, a shell, a control circuit board, a driving motor, a minute hand laser projection mechanism, an hour hand laser projection device and a bypass variable speed driving mechanism, wherein the rotary conductive device, the control circuit board, the driving motor, the minute hand laser projection mechanism, the hour hand laser projection mechanism and the bypass variable speed driving mechanism are fixed in the shell, the control circuit board is electrically connected with the driving motor, an output power wire is electrically connected with the rotary conductive device, the minute hand laser projection mechanism and the hour hand laser projection device are fixed on the rotary conductive device, the driving motor is meshed with the rotary conductive device through a gear to drive the rotary conductive device and the minute hand laser projection mechanism to rotate, and the hour hand laser projection device is driven to rotate through the bypass variable speed driving mechanism, the minute hand laser projection mechanism and the hour hand laser projection device project laser beams and penetrate through the shell.
As a preferred embodiment of the present invention, the portable electronic device further includes a base, the base is sleeved outside the bottom of the housing, a plurality of slots at different heights are arranged inside the base, and the outer side of the bottom of the housing is provided with a fixture block corresponding to the slot.
In a preferred embodiment of the present invention, the top or the bottom of the housing is provided with a photosensitive sensor for acquiring light data of the external environment and transmitting the light data to the control circuit board.
As a preferred embodiment of the present invention, the power output bearing pair is fixedly connected to the hour hand laser projection device.
As a preferred embodiment of the invention, the minute hand laser projection mechanism and the hour hand laser projection device are connected in series.
The invention has the beneficial effects that: the power supply can be continuously supplied in the rotating process and the power supply efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rotary conductive apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the metal sheet of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a rotary conductive device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an internal structure of a rotary conductive device according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of FIG. 4;
fig. 6 is a circuit schematic diagram of the control circuit board.
In the figure, 1-rotating the central axis; 101-a groove; 2-power input bearing pair; 3-power output bearing pair; 4-a metal sheet; 5-a shell; 501-top cover; 502-light transmissive cover; 503-a bottom shell; 6-a control circuit board; 7-driving a motor; 8-minute needle laser projection mechanism; 9-hour hand laser projection device; 901-hour needle shell; 902-hour hand gear; 10-bypass variable speed drive; 11-middle shaft input gear; 12-upper support; 13-lower support; 14-snap fastener.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "anode," "cathode," "output," and "input" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 and 2, the present invention provides a rotary conductive device, which includes a rotary central shaft 1, wherein the rotary central shaft 1 is provided with a groove 101 along an axial direction, one end of the rotary central shaft 1 is provided with a power input bearing pair 2, which is respectively connected to an anode and a cathode of an input power, the rotary central shaft 1 is further provided with a power output bearing pair 3, and the power input bearing pair 2 and the power output bearing pair 3 are conducted. Specifically, the rotating center shaft 1 is made of an insulating material. The laser scanning sensor can be fixed on the bearing through a fixing mechanism, and the laser scanning sensor is driven to rotate through a motor, a gear and the like. In addition, the bearing can be connected with the jack of the socket to provide safe voltage, and power is continuously supplied in the rotating process. The rotary conductive device of the invention has other applications, and is not described in detail.
As a preferred embodiment of the present invention, the positive bearings of the power input bearing pair 2 and the power output bearing pair 3 are respectively contacted with conductive members, the conductive members are fixed in the groove 101, and the two conductive members are connected by a wire; the negative bearing is connected through a metal conducting device. Specifically, the conductive member is a metal sheet 4 with a radian, and the metal sheet 4 is in contact with the bearing. The two negative bearings may be connected by a metal spring.
Specifically, the number of the power output bearing pairs 3 may be multiple, and the adjacent power output bearing pairs 3 are connected in series to supply power.
Specifically, the input power supply is a constant current driving input power supply, the constant current driving input power supply comprises a constant current driving circuit and a filter circuit, the filter circuit is connected with the output end of the constant current driving circuit, and a constant current waveform with a good waveform is obtained after filtering.
As shown in fig. 3, the present invention further provides a laser projection clock, which comprises a rotary conductive device, a housing 5, a control circuit board 6, a driving motor 7, a minute hand laser projection mechanism 8, an hour hand laser projection device 9 and a bypass variable speed driving mechanism 10, wherein the rotary conductive device, the control circuit board 6, the driving motor 7, the minute hand laser projection mechanism 8, the hour hand laser projection device 9 and the bypass variable speed driving mechanism 10 are fixed in the housing 5, the control circuit board 6 is electrically connected with the driving motor 7, an output power line is electrically connected with the rotary conductive device, the minute hand laser projection mechanism 8 and the hour hand laser projection device 9 are fixed on the rotary conductive device, the driving motor 7 is engaged with the rotary conductive device through a gear to drive the rotary conductive device and the minute hand laser projection mechanism 8 to rotate, the hour hand laser projection device 9 is driven to rotate through the bypass variable speed driving mechanism 10, the minute hand laser projection mechanism 8 and the hour hand laser projection device 9 project laser beams and pass through the housing 5. In this embodiment, the bypass speed-changing driving mechanism 10 is engaged with the hour hand laser projection device 9, in other embodiments, the bypass speed-changing driving mechanism 10 can also be engaged with the minute hand laser projection mechanism 8, and then the minute hand laser projection mechanism 8 is connected with the rotation central shaft 1 through the power output bearing pair 3.
The housing 5 comprises a top cover 501, a light-transmitting cover 502 and a bottom cover 503 which are sequentially fixed from top to bottom, the positions of the minute hand laser projection mechanism 8 and the hour hand laser projection device 9 correspond to the position of the light-transmitting cover 502, and the projected laser beams pass through the light-transmitting cover 502. Specifically, the top cover 501 and the bottom cover 503 can be made of plastic, and the transparent cover 502 is made of transparent plastic.
The invention also comprises a base, wherein the base is sleeved at the outer side of the bottom of the shell 5, a plurality of clamping grooves with different heights are arranged in the base, and clamping blocks corresponding to the clamping grooves are arranged at the outer side of the bottom of the shell 5. The base passes through the screw or the viscose is fixed on the wall, clockwise or anticlockwise rotation casing 5 for the fixture block of casing 5 and the draw-in groove joint of co-altitude not, the distance between laser diode and the wall changes, and under laser diode's projection angle did not change the condition, the length of the laser beam of the representative clock of projection and minute hand on the wall changes, and the size that is equivalent to the projection clock changes.
The top or the base of the shell 5 is provided with a photosensitive sensor for acquiring light data of the external environment and transmitting the light data to the control circuit board 6. The photosensitive sensor is electrically connected with the control circuit board 6, and sends the brightness information of the external environment to the control circuit board 6, and the control circuit board 6 can control the magnitude of the output current according to the brightness information of the external environment, so that the brightness value of the laser diode is adjusted.
The power output bearing pair 3 is fixedly connected with the hour hand laser projection device 9. The minute hand laser projection mechanism 8 and the hour hand laser projection device 9 are connected in series.
An upper bracket 12 is fixed at the top of the rotary middle shaft 1, a buckle 14 is fixed at the bottom of the rotary middle shaft 1, and a minute hand laser projection mechanism 8, an hour hand laser projection mechanism and a middle shaft input gear 11 are fixed between the upper bracket 12 and the buckle 14. Specifically, the upper bracket 12 is fixedly connected with the top cover 501 through a screw, and the upper bracket 12 is connected with the rotary middle shaft 1 through a bearing. The minute hand laser projection mechanism 8 is fixedly connected with the rotary middle shaft 1, is driven by the rotary middle shaft 1 to rotate, and has the same rotating speed as the rotary middle shaft 1. The minute hand laser projection mechanism 8 is a cylindrical minute hand shell and is provided with a U-shaped clamping groove for fixing a minute hand laser diode, the hour hand laser projection mechanism comprises a cylindrical hour hand shell 901 and an hour hand gear 902, the cylindrical hour hand shell 901 is provided with the U-shaped clamping groove for fixing the hour hand laser diode, the top of the cylindrical hour hand shell 901 is connected with the rotary middle shaft 1 through a bearing, the bottom of the cylindrical hour hand shell 901 is fixedly connected with the hour hand gear 902 and is driven to rotate by the hour hand gear 902, and the hour hand gear 902 is connected with the rotary middle shaft 1 through a bearing.
A lower bracket 13 is further arranged between the hour hand laser projection mechanism and the middle shaft input gear 11, the lower bracket 13 is provided with a branch extending outwards, specifically, the lower bracket comprises a first branch, a second branch and a third branch, wherein the first branch and the second branch are opposite, the third branch is perpendicular to the first branch and the second branch, and the lower bracket 13 is connected with the rotating middle shaft 1 through a bearing. A vertical connecting piece is fixed between the bottom gear and the top gear of the bypass variable-speed drive mechanism 10, and the vertical connecting piece is clamped at the top of the third branch. The first branch and the second branch are used for fixing a power line of the laser diode. The bottom gear of the bypass variable speed drive 10 meshes with the bottom shaft input gear 11 and the top gear of the bypass variable speed drive 10 meshes with the hour hand gear 902. The bottom gear of the bypass speed change driving mechanism 10 drives the top gear of the bypass speed change driving mechanism 10 to transmit through a vertical connecting piece.
The control circuit board 6 is connected with the driving motor 7 through a lead, the anode and the cathode of the output power supply are respectively connected with the power supply input bearing pair 2 through leads, and the leads penetrate through the lower support 13. The bearing connected with the anode of the input power supply is connected with a metal sheet 4, the metal sheet 4 is connected with a lead wire until the minute hand laser projection mechanism 8 supplies power for the minute hand laser diode, the cathode pin of the minute hand laser diode is connected with the metal sheet 4 corresponding to the anode bearing of the power output bearing pair 3 through a lead wire, the two metal sheets 4 are respectively positioned in the two opposite grooves 101 of the rotating middle shaft 1, the two bearings of the power output bearing pair 3 are respectively electrically connected with the hour hand laser diode, the cathode bearing of the power output bearing pair 3 is conducted with the cathode bearing of the power input bearing pair 2 through a spring, and finally a complete conductive path is formed. The laser projection clock realizes the electric conduction through the bearing, reduces the application of the conducting wire, avoids the winding of the conducting wire by the rotating central shaft 1 in the rotating process, and can greatly reduce the probability of the breaking of the conducting wire.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A rotary conductive device comprises a rotary middle shaft, and is characterized in that: the rotary middle shaft is provided with a groove along the axial direction, one end of the rotary middle shaft is provided with a power supply input bearing pair which is respectively connected with the anode and the cathode of an input power supply, the rotary middle shaft is also provided with a power supply output bearing pair, and the power supply input bearing pair is conducted with the power supply output bearing pair.
2. A rotary conductive apparatus according to claim 1, wherein: the positive bearings of the power input bearing pair and the power output bearing pair are respectively contacted with conductive pieces, the conductive pieces are fixed in the grooves, and the two conductive pieces are connected through a lead; the negative bearing is connected through a metal conducting device.
3. A rotary conductive apparatus according to claim 2, wherein: the two negative pole bearings are connected through a metal spring.
4. A rotary electric conduction device according to any one of claims 1 to 3, wherein: the input power supply is a constant current driving input power supply.
5. A laser projection clock, comprising the rotary conductive device of claim 4, further comprising a housing, a control circuit board, a driving motor, a minute hand laser projection mechanism, an hour hand laser projection mechanism and a bypass variable speed driving mechanism, wherein the rotary conductive device, the control circuit board, the driving motor, the minute hand laser projection mechanism, the hour hand laser projection mechanism and the bypass variable speed driving mechanism are fixed in the housing, the control circuit board is electrically connected with the driving motor, an output power line is electrically connected with the rotary conductive device, the minute hand laser projection mechanism and the hour hand laser projection mechanism are fixed on the rotary conductive device, the driving motor is engaged with the rotary conductive device through a gear to drive the rotary conductive device and the minute hand laser projection mechanism to rotate, and the hour hand laser projection mechanism is driven to rotate by the bypass variable speed driving mechanism, the minute hand laser projection mechanism and the hour hand laser projection device project laser beams and penetrate through the shell.
6. The laser projection clock according to claim 5, further comprising a base, wherein the base is sleeved outside the bottom of the housing, a plurality of slots with different heights are formed in the base, and clamping blocks corresponding to the slots are formed on the outside of the bottom of the housing.
7. The laser projection clock as claimed in claim 5, wherein the top or bottom of the housing is provided with a photosensitive sensor for acquiring light data of the external environment and transmitting the light data to the control circuit board.
8. The laser projection clock of claim 5, wherein said power output bearing pair is fixedly connected to said hour hand laser projection device.
9. The laser projection clock of claim 8, wherein the minute hand laser projection mechanism and the hour hand laser projection device are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295696.4A CN110957620A (en) | 2019-12-16 | 2019-12-16 | Rotary conductive device and laser projection clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911295696.4A CN110957620A (en) | 2019-12-16 | 2019-12-16 | Rotary conductive device and laser projection clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110957620A true CN110957620A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911295696.4A Pending CN110957620A (en) | 2019-12-16 | 2019-12-16 | Rotary conductive device and laser projection clock |
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| CN (1) | CN110957620A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207426376U (en) * | 2017-11-30 | 2018-05-29 | 陈清年 | A kind of Novel rotary electric installation |
| CN109613812A (en) * | 2018-12-31 | 2019-04-12 | 珠海莱坦科技有限公司 | Conductive bearing component, Middle shaft assembly and laser projection clock |
| CN209627566U (en) * | 2019-05-22 | 2019-11-12 | 福州汉强电子有限公司 | A kind of projection clock of adjustable-angle and height |
| CN211063011U (en) * | 2019-12-16 | 2020-07-21 | 珠海莱坦科技有限公司 | Rotary conductive device and laser projection clock |
-
2019
- 2019-12-16 CN CN201911295696.4A patent/CN110957620A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207426376U (en) * | 2017-11-30 | 2018-05-29 | 陈清年 | A kind of Novel rotary electric installation |
| CN109613812A (en) * | 2018-12-31 | 2019-04-12 | 珠海莱坦科技有限公司 | Conductive bearing component, Middle shaft assembly and laser projection clock |
| CN209627566U (en) * | 2019-05-22 | 2019-11-12 | 福州汉强电子有限公司 | A kind of projection clock of adjustable-angle and height |
| CN211063011U (en) * | 2019-12-16 | 2020-07-21 | 珠海莱坦科技有限公司 | Rotary conductive device and laser projection clock |
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