CN103325321A - Columnar dynamic LED (light-emitting diode) revolving display equipment - Google Patents
Columnar dynamic LED (light-emitting diode) revolving display equipment Download PDFInfo
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- CN103325321A CN103325321A CN2013103033341A CN201310303334A CN103325321A CN 103325321 A CN103325321 A CN 103325321A CN 2013103033341 A CN2013103033341 A CN 2013103033341A CN 201310303334 A CN201310303334 A CN 201310303334A CN 103325321 A CN103325321 A CN 103325321A
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Abstract
The invention discloses columnar dynamic LED (light-emitting diode) revolving display equipment. The columnar dynamic LED revolving display equipment comprises a display part arranged on the upper part of a rotary base, a transmission part which is arranged on the lower part of the rotary base and is used for driving the display part to rotate, wherein the transmission part comprises a motor connected with a rotary encoder; the display part comprises a rotating shaft which is connected with a motor output end and is vertically arranged and a plurality of rotating arm groups which are vertically connected with the rotating shaft, the rotating arm group comprises two rotating arms which are parallelly arranged up and down, the outer ends of the rotating arms are provided with fixed bases, a display device mounting bracket is arranged between two fixed seats which are vertically corresponding, and circuits arranged among display devices are connected in parallel; the lower end of the rotating shaft is provided with a slip ring unit electrically connected with the display devices, and the rotary base is provided with a carbon brush support. The columnar dynamic LED revolving display equipment provided by the invention has the advantages that the manufacturing cost is low, the color effect is good, a set of intelligent control system is capable of carrying out real time processing and transformation on pictures, an intelligent electric power board is capable of effectively saving energy source, the property of the equipment is stable, and the equipment is safe and reliable.
Description
Technical field
The present invention relates to LED lamp apparatus technical field, be specifically related to a kind of column dynamic LED rotation display apparatus.
Background technology
Current advertisement on the market shows that carrier mostly is flat carrier, such as the billboard lamp box, and various flat-faced screens, projection etc.These flat-panel display devices have several limitation, and the first, mostly can only lean on wall to install, lay the space more limited.The second, visible angle is smaller, the most very much not can surpass 170 degree.The 3rd, then cost is higher such as the display screen that uses high definition, and cost performance is outstanding.
Based on this situation, some producers begin to research and develop the display device of design 360 degree, adopt the LCD LCD screen of arc more.If adopt high definition arc screen, although the effect that shows like this is fine, because the manufacturing process of arc screen is complicated, so cost is more taller than the screen of common plane; If adopt SD arc screen, do not reach again desirable display effect.Although the rotating 360 degrees display screen is nowadays on the market demand is increasing, the cost performance that how to improve this kind equipment is a very crucial problem.
Dynamic imaging is the problem that relatively is concerned by people always, and the ultimate principle of dynamic imaging is the persistence of vision principle.
Object is when rapid movement, and after the image disappearance that human eye is seen, human eye still can continue to keep the image of its image 0.1-0.4 about second, and this phenomenon is called as visual persistence phenomenon.The reaction velocity duration of optic nerve is 1/24th second, is a kind of character that human eye has.When human eye is watched object, image on the retina, and by optic nerve input human brain, feel the picture of object.But when object was removed, optic nerve can not disappear immediately to the impression of object, and will continue the 0.1-0.4 time of second, and this character of human eye is called as " persistence of vision of eyes ".
Utilize the persistence of vision principle, when column dynamic LED rotation display apparatus rotated, the lamppost of high-speed motion can form a width of cloth width of cloth tableaux, and tableaux occurs making people can see continuous cartoon picture continuously.
Summary of the invention
The technical matters that (one) will solve
The technical problem to be solved in the present invention provides a kind of column dynamic LED rotation display apparatus, solves existing arc LCD screen cost higher, the problem of complex manufacturing technology.
(2) technical scheme
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of column dynamic LED rotation display apparatus, the running part that is used for driving the display part rotation that comprises the display part of being located at rotary base top and be located at the rotary base bottom; Described running part comprises that one connects the motor of rotary encoder; Described display part comprises the rotation axis of the vertical setting that is connected with motor output end, and and rotation axis some swivel arm groups connected vertically, described swivel arm group comprises two swivel arms that be arranged in parallel up and down, described swivel arm outer end is provided with holder, be provided with the display device erecting frame between two corresponding holders up and down, be provided with display device in the described display device erecting frame, described display device circuit each other adopts parallel way to connect; Described rotation axis lower end is provided with the slip ring group that is electrically connected with display device, and described rotary base is provided with carbon brush holder, and described carbon brush holder is provided with and the contacted carbon brush of slip ring group.
Wherein, also be provided with oblique bracing frame on the described rotation axis, support frame as described above one end is connected in the rotation axis middle part, and the other end is connected on the holder.
Wherein, also comprise a supporting traverse, described supporting traverse one end is connected in the rotation axis middle part, and the other end is connected in display device erecting frame middle part.
Wherein, also comprise a base, described base is provided with the motor fixed mount, described motor fixed mount upper end is provided with described rotary base, be provided with described motor in the described motor fixed mount, described rotary base is provided with glass shell, is provided with described display device in the described glass shell.
Wherein, described rotating base below also is provided with equipment enclosure, be provided with main controller and main switch power supply in the described equipment enclosure, described main switch power supply connects main controller, described main controller is provided with the wifi module with compunlcation, and the described equipment enclosure outside is provided with USB flash disk socket and the network interface that is connected with main controller.
Wherein, described display device comprises lamppost, lamppost control panel, power board, and the input end of described power board connects described main switch power supply by carbon brush holder, and the output terminal of described power board connects respectively lamppost control panel and lamppost.
(3) beneficial effect
The present invention is compared to prior art, has following beneficial effect: cost of the present invention is low than high definition arc LCD LCD screen; Image sharpness is high, and color effect is good, can reach the image quality of high definition; Having a cover intelligence control system can process and conversion in real time to picture; The power board of intelligence is energy savings effectively; The mode of display frame is various, and synchronism is high; Equipment performance is stable, and is safe and reliable.
The scope of application of the present invention is quite extensive, can be applied to each occasion of industry-by-industry.Such as transport hubs such as each airport lounge, railway station, subway stations; The commercial locations such as each emporium, sales field, building; Large-scale public places such as each museum, stadiums, museum, square etc.
Description of drawings
Fig. 1 is planar elevation view of the present invention.
Fig. 2 is D structure figure of the present invention.
Fig. 3 is the schematic diagram of slip ring group of the present invention.
Fig. 4 is the schematic diagram of single display device of the present invention.
Fig. 5 is the schematic diagram at another visual angle of single display device of the present invention.
Fig. 6 is the schematic top plan view of display holder of the present invention.
Fig. 7 is the scheme of installation of display device of the present invention.
Fig. 8 is the schematic diagram of display part of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Extremely shown in Figure 5 such as Fig. 1, a kind of column dynamic LED rotation display apparatus, the running part that is used for driving the display part rotation that comprises the display part of being located at rotary base 7 tops and be located at rotary base 7 bottoms;
Running part is equipped with a motor 11, and motor 11 is vertically placed, and uses motor fixed mount 6 fixing, and motor fixed mount 6 also plays a protective role to motor 11.The conduct rotary encoder 15 that synchro control uses that tests the speed is installed in the bottom rotating shaft of motor 11, is used shaft coupling to connect between bottom rotating shaft and the rotary encoder 15.Select the motor of different configurations according to actual user demand, such as DC Brushless Motor or phase asynchronous motor, but be not limited only to this.Motor 11 top rotating shafts are connected with slip ring group 14 by shaft coupling, and slip ring group 14 is plural slip ring structure, and quantity is can be according to demand different and customize.Collocation one secondary carbon brush 38 on each slip ring, carbon brush 38 use carbon brush holder 9 fixing, and carbon brush holder 9 is located on the rotary base 7.
Be a rotary base 7 above motor fixed mount 6, be used for supporting the display part on whole top.An equipment enclosure 17 is arranged below rotating base 7, a fan sliding door is arranged, can lock.There are a main controller, a wireless router and a main switch power supply in the cabinet the inside.The wifi module is arranged above the main controller, can be by wifi and compunlcation.Main controller is also supported USB flash disk access, and the USB flash disk socket is just in the outside of equipment enclosure 17.Also have network interface on the main controller, support to communicate by letter with the wired connection of host computer, network interface also is positioned at equipment enclosure 17 outsides.
The top of slip ring group 14 is display parts of whole equipment.
The display part structural drawing is (take 8 lampposts as example) as shown in Figure 6 and Figure 7:
Respectively tell the coupling shaft 2 of plural Zhi Shuiping from the upper and lower of rotation axis 1, can be 8,12,16 and be not limited in this.Coupling shaft 2 is used for connecting and same number ofly horizontally rotates arm 3 as the bearing structure of LED lamppost.The interior Gui of swivel arm 3 is enclosed within swivel arm 3 outside of coupling shaft 2 greater than the outer Gui of coupling shaft 2, at the screw hole of the reserving screw of screwing on, swivel arm 3 and coupling shaft 2 is fixed together.Coupling shaft 2 is welded on the rotation axis 1.
Fix a display device bracing frame 4 between two swivel arms 3 vertically in the same level angle, display device bracing frame 4 is a corrosion resistant plate, use two holders 29 fixing with swivel arm 3, the position, hole that can pass through swivel arm 3 is arranged on the holder 29.Swivel arm 3 is passed holder 29, in two sides of holder 29 jackscrew is arranged all, tighten jackscrew and make swivel arm 3 be withstood and fix by jackscrew.Adopt 4 screws to fix between holder 29 and the bracing frame 4.On bracing frame 4, reserved the fixed hole position of LED lamppost 26, lamppost control panel 34 and power board 30.LED lamppost 26 is fixed on the outside of display device bracing frame 4, and lamppost control panel 34 and power board 30 are fixed on the inboard of bracing frame 4, and the mode that all adopts the copper post to add screw is fixed.
Rock for prevent that the display part from producing in rotation, guarantee the display part smooth operation, use upper support frame 39, supporting traverse 40, lower support frame 41 to form a supporting construction, whole display part is reinforced.Supporting traverse 40 is welded on rotation axis 1 medium position place, and upper support frame 39 and lower support frame 41 use screw and supporting traverse 40 and display device holder 29 fixing, form two triangular structures.
Equipment top cover 16 adopts stainless steels, and strict waterproofing design can prevent effectively that the rainwater access arrangement is inner, simultaneously can also be sun-proof dustproof, and the ability that equipment is possessed work out of doors.
Equipment display part shell adopts tempered glass shell 8, tempered glass is made cylindric, adopting bayonet socket to fix below the equipment top cover 16 with above the rotary base 7, screw hole is arranged on the bayonet socket, and intensity satisfies product demand.
Equipment bottom base shell 10 adopts stainless steel, is fixed between rotary base 7 and the plant bottom case 12, also is to adopt the bayonet socket screw to fix.Part near rotary base 7 on shell has the circular louvre of number row, is used for the heat radiation of motor, can put up annular placard below louvre.Base shell 10 has a fan access door, and the equipment in the skinny device cabinet 17 can be adjusted by access door.Also has in addition the outlet to motor power supplying on the base shell.
In addition, four pairs of fans are housed near motor fixed mount 6, guarantee the circulation of device interior air, help heat radiation.
Next introduce connection of the present invention, slip ring group schematic diagram is seen Fig. 3, and single display device interface schematic diagram is seen Fig. 4 and Fig. 5:
Consider that LED lamppost 26 is in rotation status, all cables that are connected with LED lamppost 26, lamppost control panel 34 all need and then equipment rotation.Because lamppost control panel 34 is installed in the back side of LED lamppost 26, so it is more convenient that LED lamppost 26 is connected with cable between the lamppost control panel 34, then LED lamppost control interface 28 and lamppost control panel lamppost interface 35 are fixed on the bracing frame 4 by winding displacement is direct-connected.The power supply of each lamppost and control card is to be provided by two slip rings of main switch power supply by the slip ring group, the two-way circuit of main switch power supply is linked on the carbon brush binding post 1 and carbon brush binding post 2 23 of slip ring binding post 1 and slip ring binding post 2 19 correspondences, then be linked on the input interface 31 of power board 30 from slip ring binding post 1 and slip ring binding post 2 19, straight-through output 1 is connected on the power interface 1 of lamppost control panel 34, bypass can be controlled output 2 33 and be connected on the power interface 2 27 of LED lamppost 26, so just can decide by the duty that detects lamppost control panel 34 switch of LED lamppost 26, the LED lamppost is lighted in the time of device start, the LED lamppost extinguishes when equipment is idle, to reach the effect of power saving.From the control cable of main controller output by on the slip ring binding post 3 20 of carbon brush binding post 3 24 and carbon brush binding post 4 25 corresponding slip ring groups and the control interface 37 that slip ring binding post 4 21 is linked into one of them lamppost control panel, control line between each lamppost control panel adopts pattern in parallel, utilize the hollow parts of swivel arm 3 and rotation axis 2 the insides during cabling, the control line of each lamppost control panel all is connected in parallel.The control line of rotary encoder 15 also is linked on the main controller by slip ring binding post 3 20 and slip ring binding post 4 21.
Intelligent display characteristic of the present invention is as follows:
Characteristic one: can show simultaneously a width of cloth or several animations.
As shown in Figure 7, take 8 lampposts as example, when a lamppost with very fast speed from the position 1 when rotating to position 2 because lamppost is scanning by column the view picture picture, according to the persistence of vision principle, human eye will see that a width of cloth horizontal sextant angle is the arc images of 45 degree.So when 8 lampposts all load different materials, whole rotating cylinder will show eight width of cloth arc images simultaneously, the horizontal sextant angle of every width of cloth arc image is 45 degree.We can change the material that lamppost loads, and make plural lamppost show simultaneously the partial content of a width of cloth material, just picture can be stitched together as 45 arcs of spending as a unit take horizontal sextant angle.Based on people's visual perception, a rotating cylinder shows that simultaneously two width of cloth or three width of cloth pictures can reach best appreciation effect.
Characteristic two: guarantee the simultaneous display of picture, and can adjust the reference position of picture disply.
As shown in Figure 8, take 8 lampposts as example, we utilize the rotary encoder that is loaded in the rotating shaft of motor bottom to record the absolute coordinates of all initial positions take the initial position of shown position as 8 lampposts, then coordinate are sent to RAM.When RAM reads the absolute coordinates of reference position, send a synchronizing signal namely for all lampposts, make all lampposts begin simultaneously scan image, reach the effect of scan-synchronized.In addition, the absolute coordinates of reference position can be revised, whether if specific demand is arranged or needs mobile device itself but very easily the time, we can come whole picture is adjusted by the absolute coordinates of revising reference position, just can satisfy corresponding display requirement without mobile device.
Characteristic three: can add captions or pictorial information at existing picture, and can roam into the optional position of picture.
For this characteristic, developed separately a cover title insert, title insert can encircle logical legacy data, and can carry out overlap-add procedure to original picture.Other has visual software a and the title insert coupling, and then the position that can revise by PC captions and picture superposes.
Characteristic four: can play from the video on the USB flash disk and picture, the file on the USB flash disk is split in real time and is transferred on the lamppost show.Support demand mode, demand mode need to operate at upper PC.For characteristic two, further introduce simultaneous display principle of the present invention:
Realize the simultaneous display of picture by rotary encoder.Rotary encoder is divided into relative rotary encoder and absolute rotary encoder, and what here select is absolute rotary encoder.
Many roads groove is arranged on the absolute encoder optical code disk, the per pass groove is successively with 2 lines, 4 lines, 8 lines, 16 lines ... layout, like this, each position at scrambler, by reading the logical and dark of per pass groove, obtain one group from 2 zero degree side unique 2 scale codings (Gray code) to 2 n-1 power, this just is called n position absolute encoder.Such scrambler is to be determined the impact that it is not had a power failure, disturbs by the mechanical location of code-disc.
Absolute encoder is by the uniqueness of each position of mechanical location decision, and it need not memory, need not to look for reference point, and need not count always, when needs location aware, when just goes to read its position.Like this, the noiseproof feature of scrambler, the reliability of the data have improved greatly.The photoelectric code disk that axle is arranged by a center, there is annular to lead to and dark groove on it, there are photoemission and receiving device to read, obtain four groups of sine wave signals and be combined into A, B, C, D, each sine wave differ 90 the degree phase differential (with respect to a cycle be 360 the degree), with C, D signals reverse, be superimposed upon on A, the B two-phase, can strengthen stabilization signal; The pulse of a Z phase of revolution output is to represent the zero-bit reference bit in addition.
Because A, B two-phase differ 90 degree, can be by A relatively at front or B front, the forward and reverse with the differentiation scrambler by zero pulse, can obtain the zero-bit reference bit of scrambler.
The mounting means of rotary encoder is: rotary encoder 15 is installed in the rotating shaft bottom at motor 11, and rotary encoder 15 is connected by spring coupling 13 with motor shaft, guarantees rotary encoder and motor coaxial rotation.Signal wire by rotary encoder sends to main controller with coded signal, again by on the main controller RAM control each lamppost control panel, thereby realize the synchronizing function of whole display device.
Control mode of the present invention has following two kinds:
The first, at base shell 10 a tangible LCD display is housed, display screen is connecting RAM, and single-chip microcomputer and main controller adopt wired connection.Can simply control equipment by the tangible LCD display of this piece, such as the switch of equipment, startup, time-out etc.
The second, developed the visual software of a cover for this invention customization at upper PC, upper PC can find main controller by the wifi pattern, also can be wired direct-connected by network interface.
According to different environment, the present invention can change to corresponding size, to satisfy the demand under the various behaviours in service.The below provides motor type selection calculation process of the present invention.
Most important two parameters of motor are motor torque and motor power.Motor torque M (Nm)=9550 * motor power P (kW)/motor rotary speed (r/min).
Motor torque acting A=(motor torque M * motor angular velocity of rotation w * moment application time t)/2.
Load rotational kinetic energy E=(load rotating inertia summation J * load angular velocity of rotation w * load angular velocity of rotation w)/2.
Under desirable state, when motor torque acting A=load rotational kinetic energy E, the torque and the power that can be considered motor have all reached requirement, and can release motor torque M=load rotating inertia summation J * load angular velocity of rotation w/ moment application time t this moment.But this formula has a restrictive condition, namely needs to set load is applied after the torque M, and the angular velocity of load is by the 0 time t that accelerates to angular velocity w.In order to guarantee the fluency of picture disply, we are set as 1 second with time t.
Load rotating inertia summation J equals each load rotating inertia sum, that is:
J=J shaft coupling+J rotation axis+J slip ring+J coupling shaft+J swivel arm+J display device bracing frame+JLED lamppost+J lamppost control panel+J power board+J connection cable
The moment of inertia of each parts is as the criterion with the moment of inertia that producer provides.
Calculate equipment rotational speed n=30/8=3.75 (r/sec)=225 (r/min) take the display frame frame frequency as 30 frames.
Angular velocity of rotation w=n * 2 π=23.562rad/s.(π gets 3.1416)
Moment application time t is set as 1 second.
Can calculate motor torque M according to top three amounts, calculate motor power P according to M=9550P/n again.
Consider screw, nut, moment of friction and other influences factor, when calculating motor torque M, can reserve 20% affluence.
According to above calculating, can calculate motor torque and power, we can be according to different environment, no demand, different lamppost quantity is adjusted torque and the power of motor, to reach equipment requirement.
The present invention utilizes the persistence of vision principle, and the view picture picture is split into row, and the LED lamppost is scanned by column, and can see still image and dynamic menu when the LED lamppost rotates.The demonstration of multiple row lamppost synchronous rotary has formed a complete dynamic menu.
The present invention can be applied to each occasion of industry-by-industry, such as transport hubs such as each airport lounge, railway station, subway stations; The commercial locations such as each emporium, sales field, building; Large-scale public places such as each museum, stadiums, museum, square etc.
Certainly, above only is concrete exemplary applications of the present invention, and protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other embodiment.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (6)
1. a column dynamic LED rotation display apparatus is characterized in that; The running part that is used for driving the display part rotation that comprises the display part of being located at rotary base top and be located at the rotary base bottom; Described running part comprises that one connects the motor of rotary encoder; Described display part comprises the rotation axis of the vertical setting that is connected with motor output end, and and rotation axis some swivel arm groups connected vertically, described swivel arm group comprises two swivel arms that be arranged in parallel up and down, described swivel arm outer end is provided with holder, be provided with the display device erecting frame between two corresponding holders up and down, be provided with display device in the described display device erecting frame, described display device circuit each other adopts parallel way to connect; Described rotation axis lower end is provided with the slip ring group that is electrically connected with display device, and described rotary base is provided with carbon brush holder, and described carbon brush holder is provided with and the contacted carbon brush of slip ring group.
2. column dynamic LED rotation display apparatus according to claim 1 is characterized in that: also be provided with oblique bracing frame on the described rotation axis, support frame as described above one end is connected in the rotation axis middle part, and the other end is connected on the holder.
3. column dynamic LED rotation display apparatus according to claim 1 is characterized in that: also comprise a supporting traverse, described supporting traverse one end is connected in the rotation axis middle part, and the other end is connected in display device erecting frame middle part.
4. column dynamic LED rotation display apparatus according to claim 1, it is characterized in that: also comprise a base, described base is provided with the motor fixed mount, described motor fixed mount upper end is provided with described rotary base, be provided with described motor in the described motor fixed mount, described rotary base is provided with glass shell, is provided with described display device in the described glass shell.
5. column dynamic LED rotation display apparatus according to claim 1, it is characterized in that: described rotating base below also is provided with equipment enclosure, be provided with main controller and main switch power supply in the described equipment enclosure, described main switch power supply connects main controller, described main controller is provided with the wifi module with compunlcation, and the described equipment enclosure outside is provided with USB flash disk socket and the network interface that is connected with main controller.
6. column dynamic LED rotation display apparatus according to claim 5, it is characterized in that: described display device comprises lamppost, lamppost control panel, power board, the input end of described power board connects described main switch power supply by carbon brush holder, and the output terminal of described power board connects respectively lamppost control panel and lamppost.
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| CN104900151A (en) * | 2015-06-24 | 2015-09-09 | 合肥德广广告传媒有限公司 | Six-screen type advertising device used for herding information exhibition |
| CN104952391A (en) * | 2015-06-29 | 2015-09-30 | 刘兴华 | Coding method of LED display device based on persistence of vision |
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Application publication date: 20130925 |