CN209216545U - A kind of show window optical projection system based on visible light communication technology - Google Patents
A kind of show window optical projection system based on visible light communication technology Download PDFInfo
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- CN209216545U CN209216545U CN201822253486.6U CN201822253486U CN209216545U CN 209216545 U CN209216545 U CN 209216545U CN 201822253486 U CN201822253486 U CN 201822253486U CN 209216545 U CN209216545 U CN 209216545U
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Abstract
The show window optical projection system based on visible light communication technology that the utility model discloses a kind of, the show window optical projection system includes stream medium data library, for storing Commdity advertisement and commodity data information；Dimming glass is mounted on show window；LED projection machine launches the Commdity advertisement onto the dimming glass；It can be seen that optical information drive module, is connected with the LED projection machine, visible optical information is sent for controlling LED light；Playing control module is connected with LED projection machine, and the Commdity advertisement is pushed to the LED projection machine；It is connected with visible optical information drive module, the commodity data information is pushed into the visible optical information drive module；It is connected with dimming glass, for controlling the opening and closing of the dimming glass power supply.Commodity association message is modulated to visible light frequency band by the utility model, and pedestrian can be interacted by client with show window, to effectively promote the application value of interactive shopping Experience Degree and shop window in business activity.
Description
Technical field
The utility model relates to a kind of show window optical projection systems, more particularly, to a kind of show window based on visible light communication technology
Optical projection system.
Background technique
Its commodity outwardly can be shown and be publicized by show window by shop, so that pedestrian be attracted to enter into shopping.Commonly
Show window be only to put up posters while displaying some static commodity, a little better is then by motor driven, sound-light electrical control
The modes such as system show the multidate information of commodity.But in the epoch that shopping at network is increasingly popularized, traditional array type show window without
Method effectively attracts consumer to be less able to satisfy the demand that people experience interactive shopping into shop shopping.Although also occurring in the market
Sending two dimensional code by equipment such as LED large-size screen monitors guides crowd barcode scanning to pay close attention to the new type bought on merchandise news development line
Show window, but the two-dimensional barcode information of large format seriously affects the beauty of broadcasting pictures, also can not synchronization association video playing commodity
Content.Therefore, it is necessary to use a kind of more advanced technology, the bandwagon effect of neither influence show window can reinforce interactive shopping again
Convenience, bring pleasant shopping experience to pedestrian.
Chinese patent literature CN107293233A discloses a kind of Window Display system with interactive function, including cupboard
Window, projector, image sensor, recognizer, clock unit etc., recognizer are arranged on show window, are known by contact
Operation information of the other device identification user on show window, to realize interactive function.And shop window system is primarily directed to pedestrian, it is right
When show window position can not be touched or flow of the people is larger, then it is not easy to people and carries out contact action, to obtain the letter of commodity
Breath, and for modern allegro life, it is also not easy to people and quickly and easily obtains merchandise news and purchased on the net
It buys.
Summary of the invention
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of based on visible light communication
Commodity association message is modulated to visible light frequency band by the show window optical projection system of technology, and pedestrian can be mutual with show window by client
It is dynamic, to effectively promote the application value of interactive shopping Experience Degree and shop window in business activity.
In order to achieve the above objectives, the utility model uses a kind of following technical scheme: cupboard based on visible light communication technology
Window optical projection system, the show window optical projection system include stream medium data library, playing control module, visible optical information drive module,
LED projection machine, dimming glass, show window cleaning module；
The stream medium data library is used for the commodity data information for storing Commdity advertisement and matching with the Commdity advertisement,
The commodity data information includes price, material, model, commodity purchasing chained address etc.；
The stream medium data library is connected with playing control module, and playing control module is connected with LED projection machine, will be described
Commdity advertisement is pushed to the LED projection machine；The playing control module is connected with visible optical information drive module, by the quotient
Product data information pushes to the visible optical information drive module；
The playing control module is connected with dimming glass, for controlling the opening and closing of the dimming glass power supply,
Closing the dimming glass power supply in the Commdity advertisement play time makes the dimming glass be atomized into rear projection screen, broadcasts non-
Putting the time opening dimming glass power supply makes glass transparent, the commodity displayed in display case；
The visible optical information drive module is used to the commodity data information carrying out baseband modulation；The visible light letter
Breath drive module is connected with LED projection machine, and the information after baseband modulation is passed through electricity by the visible optical information drive module
The LED light source driving circuit for the LED projection machine that the line of force is transmitted to, control LED light send visible optical information, realize the commodity number
It is believed that implicit propagation of the breath in visible light；
The LED projection machine launches the Commdity advertisement onto the dimming glass, and the visible optical information passes through institute
The commodity data information is implicitly added on the Commdity advertisement of broadcasting by the imaging system for stating LED projection machine；
The show window cleaning module includes the horizontal extension bar being arranged in one side walls of show window, horizontal extension bar front end
By the vertically arranged pressing plate of connecting rod, the pressing plate correspond to show window side it is vertically arranged scrape glue item, it is described to scrape glue item and cupboard
Window contacts, and the telescoping switch being electrically connected with horizontal extension bar is arranged on the wall of the show window side.Glue item is scraped using automobile
The same material of windscreen wiper is made, and is vertically provided on pressing plate for strip, and left and right is moved under the drive of telescopic rod after contacting with show window
It is dynamic.Show window is located at street two sides, and dust is very big, needs all to clean the displaying image that could be cleaned daily, clear to show window when needing
When washing, cleaning solution first is sprayed to show window surface, telescopic rod telescopic moving is then controlled by telescoping switch, glue item pair is scraped in drive
Show window surface is cleared up, and back and forth several times afterwards shortens telescopic rod, and staff holds rag for show window two sides at this time
Liquid erasing, the module can rapidly clean show window, and the effect cleaned is fine.
Further, the playing control module is connected with the LED projection machine, and regulates and controls the brightness of LED light source.
Further, the playing control module is provided with light sensor, by the power and the combination that detect environment light
Time parameter completes the adjustment of the LED projection machine brightness jointly, specific formula is as follows: P=[L/400]+T, in formula, and L
Represent the bright numerical value of environment light stream that light sensor detects, 400 comfortable illumination perceived for human eye under normal circumstances
Intensity；T is the step function for representing the time, and value is divided into three class: 6. -17 points, T=2,17. -22 points, T=1,22. -6
Point, T=0；[L/400] is that the round numbers of L/400 total takes adjacent with L/400 total biggish whole when L/400 total is non-integer
Number, P value range are as follows: 0 < P < 7.
Further, the LED projection machine is LED light source ultra short focal projector.
Further, the transmittance of the LED projection machine is 0.23:1-0.3:1.
Further, the dimming glass and playing control module pass through bluetooth connection.
Further, the visible optical information drive module is connect with playing control module by WiFi.
The beneficial effects of the utility model are: a kind of show window based on visible light communication technology of the utility model projects system
System is different from existing show window by technologies such as two dimensional code, holographic film projections and realizes that information is propagated, and the utility model passes through control throwing
The LED light source of shadow machine, by commodity data modulates information to visible light frequency band, pedestrian is to be placed in the intelligence of shopping APP using client
Energy mobile phone etc. is interacted with show window, such as by the Taobao shopping online APP in mobile phone come the goods links in scanning projection
Address, it is this implicitly propagate by way of not only increased the entertaining sense of interaction but also maintain the integrality of video pictures.
The process that the playing control module of the utility model is previously set according to user controls dimming glass in transparent and mist
Change regular switching between two states, the pedestrian before show window can see the demonstration piece of video playing and in glass
Intuitively see that the commodity displayed in shop are in kind at the time of glass is transparent, this actual situation combination, the alternate circulation way of sound can
Effectively promote the promotional display effect of solid shop.
It is mainly outdoor pedestrian that the utility model, which plays object, and light sensor is integrated in playing control module, is led to
The strong and weak and binding time parameter for crossing detection environment light completes the adjustment of projector's brightness jointly, can when daytime, light was stronger
The automatic brightness degree for improving projector reaches best illustrated effect, and the automatic brightness degree that reduces guarantees to play effect again after nightfall
Accomplish power saving while fruit as far as possible.
The transmittance of the utility model LED projection machine controls between 0.23:1 to 0.3:1, it can be ensured that apart from show window
The distance that 40 centimetres to 60 centimetres of glass can project the picture more than 150 cun, not only ensure that Projection Display effect but also maximum
The requirement of limit reduced to installation environment.
The utility model receives the visible light signal of the dimming glass radiation by the camera function of client, passes through purchase
Object APP can be obtained with the matched commodity purchasing chained address of Commdity advertisement, obtain merchandise news and convenient fast convenient for people
Prompt carry out shopping online.
Detailed description of the invention
Fig. 1 is the utility model show window optical projection system composition schematic diagram；
Fig. 2 is one the functional block diagram of the utility model show window optical projection system embodiment；
Fig. 3 is one structural schematic diagram of playing control module embodiment；
Fig. 4 is two structural schematic diagram of playing control module embodiment；
Fig. 5 is two work flow diagram of the utility model show window optical projection system embodiment；
Fig. 6 is the structural schematic diagram of the utility model show window cleaning module.
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 making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
As shown in Figs. 1-2, a kind of show window optical projection system based on visible light communication technology, including stream medium data library, broadcast
Put control module, visible optical information drive module, LED projection machine, dimming glass；The stream medium data library and the broadcasting are controlled
Molding block is connected, and the playing control module is connected with the LED projection machine.
The stream medium data library is multimedia server, in the multimedia server storage Commdity advertisement and
The commodity purchasing chained address to match with the Commdity advertisement；
The LED projection machine is LED light source ultra short focal projector, and the transmittance of the LED projection machine is controlled 0.23:
1 between 0.3:1, may insure to project in the distance apart from 40 centimetres to 60 centimetres of glazing plate more than 150 in this way
Very little picture not only ensure that Projection Display effect but also reduce the requirement to installation environment to greatest extent.
As shown in figure 3, the playing control module includes central processing unit (referred to as: CPU) and is connected respectively with CPU
Bluetooth module, RS232 serial ports, WiFi module and memory module, the WiFi module and visible optical information drive module signal pass
Defeated, the bluetooth module and dimming glass signal transmit, and are connected by the RS232 serial ports with the LED projection machine.
The visible optical information drive module is connected in the power supply circuit of the LED projection machine, passes through the visible light
Information drive module controls the flash of LED light, can make it as a kind of carrier to transmit information, the visible optical information driving
Module is microchip, and the visible optical information drive module is established signal by WiFi signal and the playing control module and passed
It is defeated.
The dimming glass is mounted on show window, and spray pattern is presented in the case where being not powered on for the dimming glass,
Pellucidity is presented after load 70V alternating current, the power supply of the dimming glass passes through a Bluetooth remote control switch and the broadcasting
Control module, which is constituted, to be wirelessly connected, and the switching of atomization/transparent two states is completed under the control of the playing control module.
Client is the smart phone with camera and merging shopping APP, as downloaded Taobao, Jingdone district shopping APP
Smart phone.
As shown in Figure 6: the show window cleaning module includes the horizontal extension bar 2 being arranged in 8 one side walls 3 of show window, described
For 2 front end of horizontal extension bar by the vertically arranged pressing plate 6 of connecting rod 5, the side of the corresponding show window 8 of the pressing plate 6 is vertically arranged to scrape glue
Item 7, the glue item 7 of scraping are contacted with show window 8, and setting is electrically connected with horizontal extension bar 2 on the wall 3 of 8 side of show window
Telescoping switch 1.
The light-exposed communication technology working principle of the utility model: LED light millions of times per second are controlled by the microchip and is dodged
Disconnected, it is 0 that LED light, which is gone out, and LED light is opened for 1, the visible optical information that binary data is sent by fast coding at LED light；Due to dodging
Disconnected frequency is too fast, and human eye is not aware of at all, receives these visible optical informations by client camera, it is seen that optical information packet
Shopping directery is contained, has directly swept and sweep after opening APP, it will be able to open corresponding commodity interface, facilitate pedestrian directly online
Buy the commodity admired.
A kind of workflow of the show window optical projection system based on visible light communication technology of the utility model is as follows:
(1) after show window optical projection system power-up starting, the playing control module search for prior matched automatically
WiFi signal and Bluetooth signal, starting immediately plays control program after being successfully connected, and passes through first after playing control program starting
The electronic-control dimming glass control switch is set on line state by bluetooth channel；
(2) Commdity advertisement list and matched commodity data information column in the clearly described stream medium data library
The broadcast mode of the Commdity advertisement is arranged in the playing control module in table；
(3) playing control module controls the LED projection machine booting, and the Commdity advertisement is pushed to described
LED projection machine, the LED projection machine are played out according to the sequence set；Meanwhile the playing control module is by the quotient
Product data information is pushed to the visible optical information drive module by the WiFi channel, is driven by the visible optical information
Module modulation above- mentioned information are at binary coding, the flash frequency of the LED for controlling the LED projection machine, different flash
Frequency corresponds to different binary codings to make visible light carry commodity data information；The visible light passes through the LED projection
Commodity data information is implicitly added on the Commdity advertisement of broadcasting by the imaging system of machine；
(4) smart phone of the hand-held merging shopping APP of pedestrian, opens shopping APP, receives the light modulation glass by camera
The visible light signal of glass radiation, i.e. Shopping directery are obtained by shopping APP and are grounded with the matched commodity purchasing chain of Commdity advertisement
Location.
The broadcast mode of the Commdity advertisement in the process (2) uses the form of carousel, quantity control under normal circumstances
Between 3-5, the duration of each advertisement is no more than 15 seconds system.In order to obtain the effect for preferably attracting pedestrian, design
Transparent 10 seconds of glazing plate after each round advertisement finishes, for showing the commodity actually displayed in shop to pedestrian.
To reach this effect, the playing control module suspends playing function when finishing every the last one Commdity advertisement of wheel,
And " blank screen " order is assigned to the LED projection machine, the LED projection machine is arrived by LED light source brightness adjustment by the order
It is most weak.At the same time, the playing control module sends to the control switch of the dimming glass and instructs, and power switch is switched
To closed state, makes the dimming glass power-up that pellucidity be presented, outwardly show the commodity of display in shops.
Embodiment two
The present embodiment is basically the same as the first embodiment, the difference is that: the LED projection machine when leaving the factory, producer one
As by its brightness can set controllable several grades, the LED projection machine brightness is adjusted according to ambient light power for user
Grade, the function can be controlled by serial ports.
The broadcasting object that the show window optical projection system faces is mainly outdoor pedestrian, is needed at the light stronger moment on daytime
The brightness degree for properly increasing projector reaches best illustrated effect, and the automatic brightness degree that reduces guarantees to play effect again after nightfall
Accomplish power saving while fruit as far as possible.For this purpose, as illustrated in figures 4-5, the playing control module include central processing unit (referred to as:
CPU bluetooth module, RS232 serial ports, WiFi module, memory module and the light sensor) and being respectively connected with CPU, it is described
WiFi module is connected with visible optical information drive module, and the bluetooth module is connected with dimming glass, the RS232 serial ports with
LED projection machine is connected.
The playing control module detects the power of environment light by light sensor, and binding time parameter is completed jointly
The adjustment of projector's brightness, specific formula is as follows:
P = [L/400] + T
L represents the bright numerical value of environment light stream that light sensor detects in formula, and general value is between 100 to 2000, and 400
Comfortable intensity of illumination perceived for human eye under normal circumstances.T is the step function for representing the time, and value is divided into three shelves
Secondary (6 points to 17 points, T=2；17 points to 22 points, T=1；22 points to 6 points, T=0).[L/400] is the round numbers of L/400 total, L/
It when 400 totals are non-integer, take and closes on biggish integer, need to be arranged as projector with the sum of T after [L/400] round numbers
Brightness degree P(0 < P < 7).
Claims (7)
1. a kind of show window optical projection system based on visible light communication technology, it is characterised in that: the show window optical projection system includes
Stream medium data library, the commodity data information for storing Commdity advertisement and matching with the Commdity advertisement；
Dimming glass is mounted on show window；
LED projection machine launches the Commdity advertisement onto the dimming glass；
It can be seen that optical information drive module, for the commodity data information to be carried out baseband modulation, and with the LED projection machine phase
Even, visible optical information is sent for controlling LED light；
Playing control module is connected with LED projection machine, and the Commdity advertisement is pushed to the LED projection machine；Believe with visible light
It ceases drive module to be connected, the commodity data information is pushed into the visible optical information drive module；It is connected with dimming glass,
For controlling the opening and closing of dimming glass power supply；
Show window cleaning module, including the horizontal extension bar being arranged in one side walls of show window, horizontal extension bar front end passes through company
The vertically arranged pressing plate of bar, the pressing plate correspond to show window side it is vertically arranged scrape glue item, the glue item of scraping is contacted with show window,
The telescoping switch being electrically connected with horizontal extension bar is set on the wall of the show window side.
2. a kind of show window optical projection system based on visible light communication technology according to claim 1, it is characterised in that: described
Playing control module is connected with the LED projection machine, and regulates and controls the brightness of LED light source.
3. a kind of show window optical projection system based on visible light communication technology according to claim 1 or 2, it is characterised in that:
The playing control module is provided with light sensor, by the strong and weak and binding time parameter of detection environment light to the LED
Projector's brightness is adjusted.
4. a kind of show window optical projection system based on visible light communication technology according to claim 1, it is characterised in that: described
LED projection machine is LED light source ultra short focal projector.
5. a kind of show window optical projection system based on visible light communication technology according to claim 4, it is characterised in that: described
The transmittance of LED projection machine is 0.23:1-0.3:1.
6. a kind of show window optical projection system based on visible light communication technology according to claim 1, it is characterised in that: described
Dimming glass and playing control module pass through bluetooth connection.
7. a kind of show window optical projection system based on visible light communication technology according to claim 1, it is characterised in that: described
It can be seen that optical information drive module is connect with playing control module by WiFi.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822253486.6U CN209216545U (en) | 2018-12-29 | 2018-12-29 | A kind of show window optical projection system based on visible light communication technology |
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| CN201822253486.6U CN209216545U (en) | 2018-12-29 | 2018-12-29 | A kind of show window optical projection system based on visible light communication technology |
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| CN201822253486.6U Active CN209216545U (en) | 2018-12-29 | 2018-12-29 | A kind of show window optical projection system based on visible light communication technology |
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