CN202018809U

CN202018809U - LED (light-emitting diode) synchronous display device

Info

Publication number: CN202018809U
Application number: CN2011201347232U
Authority: CN
Inventors: 郭迎新; 李渝贵; 陈军奇; 王河
Original assignee: SHENZHEN DATE ENGINEERING TECHNOLOGY Co Ltd
Current assignee: Shenzhen Date Culture Technology Co.,Ltd.
Priority date: 2011-04-29
Filing date: 2011-04-29
Publication date: 2011-10-26
Anticipated expiration: 2021-04-29

Abstract

The utility model discloses an LED (light-emitting diode) synchronous display device, which comprises a master control end and at least one slave control end; the master control end comprises a main controller, a main wireless transceiver module and an LED lamp bank, and the LED lamp bank displays according to the control signal of the main controller; the slave control end comprises a synchronous controller, a synchronous wireless transceiver module and a synchronous LED lamp bank, and the synchronous wireless transceiver module is wirelessly connected with the main wireless transceiver module; the main wireless transceiver module acquires and transmits a synchronizing signal periodically transmitted by the main controller to the synchronous wireless transceiver module; and the synchronous controller acquires the synchronizing control signal from the synchronous wireless transceiver module, and controls the synchronous display of the synchronous LED lamp bank according to the synchronizing signal. In the LED synchronous display device, the master control end wirelessly transmits the synchronizing signal to at least one slave control end, and therefore the synchronous display of the LED lamp bank of the slave control end can be realized without complex wiring.

Description

A kind of LED synchronous display apparatus

Technical field

The utility model relates to the display technique field, relates in particular to a kind of LED synchronous display apparatus.

Background technology

When LED is used as the multiple spot light source, general several kilometers major trunk roads both sides have up to a hundred light poles, make the inclosure of a LED on the lamppost, there is controller to control its displaying contents respectively, though what controller might connect is with a kind of, the time that powers on may be consistent, but owing to be three-phase electricity, have and ask mutually the mistiming that powers on, may cause the power-on time of different controllers that difference is arranged slightly, even same controller seems same power-on time, the demonstration that also can cause the LED that is controlled between each controller is difference to some extent, seeming is out of step, and adds the clock cumulative errors of each controller, after work a period of time, LED light fixture that each controller is controlled shows that difference just more strengthens, on road or the demonstration of a zonule can seem in disorder.If the LED on the different lampposts show to need can realize by increasing wired synchronous device, but its wiring installation amount to be huge, might go through streets and alleys synchronously, the wiring fund and the duration that are consumed are also very surprising in addition.

The utility model content

The technical problems to be solved in the utility model is at realizing in the prior art that in wired LED synchro control, the defective that wiring is complicated, quantities is big provides a kind of benefit point LED synchronous display apparatus.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of LED synchronous display apparatus is provided, comprise that main control end and at least one are from control end, described main control end comprises master controller, the main radio receiving transmitting module that is connected with described master controller and LED lamp group, and described LED lamp group shows according to the control signal of described master controller; Describedly comprise isochronous controller, the synchronous radio transceiver module that is connected with described isochronous controller and synchronous LED lamp group from control end, described synchronous radio transceiver module and described main radio receiving transmitting module wireless connections; Described main radio receiving transmitting module obtains the synchronizing signal that described master controller regularly sends, and sends it to described synchronous radio transceiver module; Described isochronous controller obtains described synchronous control signal from described synchronous radio transceiver module, and controls the synchronous demonstration of described synchronous LED lamp group according to described synchronizing signal.

In the LED synchronous display apparatus described in the utility model, described main radio receiving transmitting module and described synchronous radio transceiver module are the wireless serial module that model is APC220-43.

In the LED synchronous display apparatus described in the utility model, be connected by power lead, ground wire and two data lines between described master controller and the described main radio receiving transmitting module.

In the LED synchronous display apparatus described in the utility model, described LED lamp group and described synchronous LED lamp group comprise the LED of a plurality of red, green, blues respectively.

Use the utility model LED synchronous display apparatus, has following beneficial effect: by increasing main radio receiving transmitting module at the main control end, increasing the synchronous radio transceiver module from control end, main radio receiving transmitting module obtains the synchronizing signal that master controller regularly sends by wireless mode, and sends it to the synchronous radio transceiver module from control end; Isochronous controller obtains the synchronous demonstration of controlling described synchronous LED lamp group behind the synchronous control signal according to described synchronizing signal from the synchronous radio transceiver module.The main control end sends synchronizing signal by wireless mode and realizes that from control end signal controlling is synchronous at least one, need not complicated wiring, can realize from the synchronous demonstration of control end LED lamp group, reaches consistent synchronous display effect attractive in appearance.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is the structural representation of the utility model preferred embodiment LED synchronous display apparatus;

Fig. 2 is the connection diagram of main control end in the utility model preferred embodiment LED synchronous display apparatus.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

As shown in Figure 1, preferred embodiment LED synchronous display apparatus of the present utility model comprises that main control end 10 and at least one are from control end 20, from control end two or more can be arranged, in preferred embodiment of the present invention, comprise from control end 20 and 30, both structures are identical, this device also comprises the power module 14 that operating voltage is provided to main control end 11, gives the

power module

24,34 that operating voltage is provided from control end 20 and 30 respectively.Main radio receiving transmitting module 13 and LED lamp group 12 that main control end 10 comprises master controller 11, is connected with master controller, wherein master controller 11 is an employed LED control chip in the prior art, can be monochromatic LED controller or all-colour LED control chip, in controller 11, increase a synchronizing signal generation module, be used to produce synchronizing signal and this synchronizing signal is sent to main radio receiving transmitting module 13, LED lamp group 12 shows according to the control signal that master controller 11 produces; Comprise isochronous controller 21, the synchronous radio transceiver module 23 that is connected with isochronous controller 21 and synchronous LED lamp group 22 from control end 20, the demonstration that under the control of isochronous controller 21, circulates of synchronous LED lamp group 22, synchronous radio transceiver module 23 is connected with main radio receiving transmitting module wireless 13; End 30 comprises isochronous controller 31, the synchronous radio transceiver module 33 that is connected with isochronous controller 31 and synchronous LED lamp group 32, and synchronous radio transceiver module 33 is connected with main radio receiving transmitting module wireless 13; The demonstration that circulates under the control of isochronous controller 31 of synchronous LED lamp group 32, it is identical that the circulation of LED lamp group 12 and synchronous

LED lamp group

22,32 shows.Main radio receiving transmitting module 13 obtains the synchronizing signal that master controller 11 regularly sends, and send it to synchronous radio transceiver module 23,33, as the demonstration that circulates of LED lamp group 12 the control signals of control end 10 according to main control end 10, after the 12 circulation demonstrations one of LED lamp group are taken turns, master controller 10 promptly sends a synchronizing signal to slave controller 20,30, at slave controller 20,30 receive this synchronizing signal after, control synchronous

LED lamp group

22,32 begin immediately taken turns new circulation and shows, thereby make and shown synchronously by all LED lamp groups of master controller 11 controls from control end, make and the rule that shows of a plurality of synchronous LED lamp groups reach synchronous display effect attractive in appearance always.Master controller 11 can be controlled a plurality of synchronous demonstrations from control end simultaneously, and main radio receiving transmitting module 13 can send synchronizing signal to a plurality of synchronous radio transceiver modules simultaneously.

Further, in the utility model preferred embodiment LED synchronous display apparatus, main radio receiving transmitting module 13 and synchronous radio transceiver module 23 are the wireless serial module that model is APC220-43, this module is highly integrated half-duplex micropower wireless data transfer module, embedded high-performance radio-frequency chip, adopt circulation efficiently to interweave and draw error detection coding, anti-interference and sensitivity all improves greatly, and maximum can be corrected the continuous burst error of 24bit.It provides the selection of a plurality of channels, but various parameters such as online modification serial ports speed, emissive power and radio frequency speed.The transmission range of the wireless serial module of APC220-43 can reach 1000m, and the work centre frequency is general civilian frequency at 433M, does not need just can use by the authentication of not having committee.In the utility model embodiment, can with apart from one of them control end in a group control end of close (in 1000 meters) as the main control end, other are as from control end,

power module

14,24 and 34 provides the voltage of 5V respectively.As in the utility model preferred embodiment, be provided with main control end 10, from control end 20,30, the wireless serial module of main control end by APC220-43 carried out radio communication with the wireless serial module from the APC220-43 of control end, use wireless one to send out technology many, promptly main radio receiving transmitting module 13 can send synchronizing signals to a plurality of synchronous radio transceiver modules simultaneously.Show synchronously according to the synchronizing signal control synchronous LED lamp group that receives from control end, make the rule that shows of a plurality of synchronous LED lamp groups to reach synchronous display effect attractive in appearance always.

Further, as shown in Figure 2, be connected by power lead, ground wire and two data lines between master controller 11 and the main radio receiving transmitting module 13.

Further, LED lamp group 12 and synchronous

LED lamp group

22,32 comprise the LED of a plurality of red, green, blues respectively, and the order that its circulation shows is identical.

The present invention is by increasing main radio receiving transmitting module at the main control end, increasing the synchronous radio transceiver module from control end, main radio receiving transmitting module obtains the synchronizing signal that master controller regularly sends by wireless mode, and sends it to the synchronous radio transceiver module from control end; Isochronous controller obtains behind the synchronous control signal synchronous demonstration according to synchronizing signal control synchronous LED lamp group from the synchronous radio transceiver module.The main control end by wireless mode send synchronizing signal at least one from control end, need not complicated wiring, can realize from the synchronous demonstration of control end LED lamp group.

Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims

1. LED synchronous display apparatus, it is characterized in that, comprise that main control end (10) and at least one are from control end (20), described main control end (10) comprises master controller (11), the main radio receiving transmitting module (13) that is connected with described master controller (11) and LED lamp group (12), and described LED lamp group (12) shows according to the control signal of described master controller (11); Describedly comprise isochronous controller (21), the synchronous radio transceiver module (23) that is connected with described isochronous controller (21) and synchronous LED lamp group (22), described synchronous radio transceiver module (23) and described main radio receiving transmitting module (13) wireless connections from control end (20); Described main radio receiving transmitting module (13) obtains the synchronizing signal that described master controller (11) regularly sends, and sends it to described synchronous radio transceiver module (23); Described isochronous controller (21) obtains described synchronous control signal from described synchronous radio transceiver module (23), and controls the synchronous demonstration of described synchronous LED lamp group (22) according to described synchronizing signal.

2. according to the described LED synchronous display apparatus of claim 1, it is characterized in that described main radio receiving transmitting module (13) and described synchronous radio transceiver module (23) are the wireless serial module that model is APC220-43.

3. according to the described LED synchronous display apparatus of claim 2, it is characterized in that, be connected by power lead, ground wire and two data lines between described master controller (11) and the described main radio receiving transmitting module (13).

4. according to any one described LED synchronous display apparatus among the claim 1-3, it is characterized in that described LED lamp group (12) and described synchronous LED lamp group (22) comprise the LED of a plurality of red, green, blues respectively.