CN210573737U - Double-screen intelligent interaction system - Google Patents
Double-screen intelligent interaction system Download PDFInfo
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- CN210573737U CN210573737U CN201921642622.9U CN201921642622U CN210573737U CN 210573737 U CN210573737 U CN 210573737U CN 201921642622 U CN201921642622 U CN 201921642622U CN 210573737 U CN210573737 U CN 210573737U
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Abstract
The utility model relates to a double-screen intelligent interaction system, which comprises a main screen device and an auxiliary screen device, wherein the main screen device is provided with a main screen CPU and a main screen MCU, and the auxiliary screen device is provided with an auxiliary screen CPU and an auxiliary screen MCU; the driving signal output end of the main screen MCU is respectively and electrically connected with the driving signal input end of the main screen CPU and is used for sending a main screen driving signal to drive the main screen CPU to be powered on when receiving the wake-up signal; and the driving signal input end of the auxiliary screen MCU and the driving signal input end of the main screen MCU are electrically connected with the awakening signal output circuit, and the driving signal output end of the auxiliary screen MCU is electrically connected with the driving signal input end of the auxiliary screen CPU and used for sending an auxiliary screen driving signal to drive the auxiliary screen CPU to be electrified when the awakening signal is received. The utility model discloses all be connected vice screen MCU's drive signal input and main screen MCU's drive signal input with wake-up signal output circuit electricity for main screen MCU and vice screen MCU can receive wake-up signal simultaneously, trigger main screen CPU and vice screen CPU simultaneously and go up electric work, realize the synchronous awakening-up of main screen device and vice screen device.
Description
Technical Field
The utility model relates to an intelligent terminal technical field especially relates to a double screen intelligent interaction system.
Background
At present, along with the upgrading of intelligent terminal technology, intelligent terminal's application scene is also increasingly extensive, and wherein intelligent interaction flat board often uses in scenes such as teaching, meeting, official working, to some to the great scene of screen size demand, still can use the concatenation of a plurality of intelligent interaction flat boards to use.
But when using to the mutual dull and stereotyped concatenation of intelligence, traditional double-spelling scheme, mostly all put together the display screen of two equipment, but two equipment are mutual independent work, if need awaken up when the standby, need awaken up respectively, troublesome poeration to it awakens up in step to be difficult to realize, makes visual effect also receive the influence.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a dual-screen intelligent interactive system capable of waking up synchronously.
A double-screen intelligent interaction system comprises a main screen device and an auxiliary screen device, wherein the main screen device is provided with a main screen CPU and a main screen MCU, and the auxiliary screen device is provided with an auxiliary screen CPU and an auxiliary screen MCU;
the driving signal output end of the main screen MCU is respectively and electrically connected with the driving signal input end of the main screen CPU and is used for sending a main screen driving signal to drive the main screen CPU to be powered on when receiving the wake-up signal;
and the driving signal input end of the auxiliary screen MCU and the driving signal input end of the main screen MCU are electrically connected with the awakening signal output circuit, and the driving signal output end of the auxiliary screen MCU is electrically connected with the driving signal input end of the auxiliary screen CPU and used for sending an auxiliary screen driving signal to drive the auxiliary screen CPU to be electrified when the awakening signal is received.
In one embodiment, the main screen device is further provided with a main screen power supply circuit and a first relay; the auxiliary screen device is also provided with an auxiliary screen power supply circuit and an OR gate circuit;
the input end of the first relay is used for being electrically connected with a power supply through an alternating current signal interface of the main screen device, and the output end of the first relay is electrically connected with an alternating current signal input end of the auxiliary screen power supply circuit;
the first output end of the main screen MCU is electrically connected with the controlled end of the first relay and is used for driving the first relay to be conducted when receiving the awakening signal;
the first output end of the main screen power supply circuit is electrically connected with the power supply end of the main screen CPU, and the second output end of the main screen power supply circuit is electrically connected with the power supply end of the main screen MCU and used for supplying power to the main screen CPU and the main screen MCU when the power supply is switched on; the third output end of the main screen power supply circuit is electrically connected with the power supply end of the auxiliary screen MCU through the first end of the OR gate circuit and used for supplying power to the auxiliary screen MCU when the first relay is not conducted;
and the first output end of the auxiliary screen power supply circuit is electrically connected with the power supply end of the auxiliary screen CPU, and the second output end of the auxiliary screen power supply circuit is electrically connected with the power supply end of the auxiliary screen MCU through the second end of the OR gate circuit and is used for supplying power to the auxiliary screen CPU and the auxiliary screen MCU when the first relay is switched on.
In one embodiment, the main screen power supply circuit is provided with a second relay and a main screen power supply board,
the input end of the second relay is electrically connected with the first output end of the main screen power panel, the output end of the second relay is electrically connected with the power supply end of the main screen CPU,
the input end of the main screen power panel is used for being electrically connected with a power supply through an alternating current signal interface of the main screen device and supplying power to the main screen CPU when the power supply is switched on and the second relay is switched on;
the output end of the second relay is a first output end of the main screen power supply circuit, a second output end of the main screen power supply board is a second output end of the main screen power supply circuit, and a third output end of the main screen power supply board is a third output end of the main screen power supply circuit;
and the second output end of the main screen MCU is electrically connected with the controlled end of the second relay and is used for driving the second relay to be switched on when receiving the awakening signal.
In one embodiment, the auxiliary screen power supply circuit is provided with a third relay and an auxiliary screen power supply board,
the input end of the third relay is electrically connected with the first output end of the auxiliary screen power panel, and the output end of the third relay is electrically connected with the power supply end of the auxiliary screen CPU;
the input end of the auxiliary screen power supply board is used for being electrically connected with the output end of the first relay and supplying power to the auxiliary screen CPU when the first relay is conducted and the third relay is conducted;
the output end of the third relay is the first output end of the auxiliary screen power supply circuit, and the second output end of the auxiliary screen power supply board is the second output end of the auxiliary screen power supply circuit;
and the first output end of the auxiliary screen MCU is electrically connected with the controlled end of the third relay and is used for driving the third relay to be switched on when receiving the awakening signal.
In one embodiment, the wake-up signal output circuit includes an infrared signal receiving circuit,
the infrared signal receiving circuit is respectively and electrically connected with the first input end of the main screen MCU and the first input end of the auxiliary screen MCU and is used for sending a wake-up signal to the main screen MCU and the auxiliary screen MCU when receiving an infrared signal.
In one embodiment, the wake-up signal output circuit includes a first hall sensor;
the first Hall sensor is respectively electrically connected with the second input end of the main screen MCU and the second input end of the auxiliary screen MCU and used for sending a wake-up signal to the main screen MCU and the auxiliary screen MCU when detecting the change of magnetic flux.
In one embodiment, the secondary screen device is provided with a second Hall sensor;
and the second Hall sensor is respectively electrically connected with the third input end of the main screen MCU and the third input end of the auxiliary screen MCU and is used for sending a wake-up signal to the main screen MCU and the auxiliary screen MCU when detecting the change of the magnetic flux.
In one embodiment, the main screen device is further provided with a main screen backlight circuit,
the power supply end of the main screen backlight circuit is electrically connected with the fourth output end of the main screen power supply circuit;
the backlight starting-up signal output end of the main screen CPU is electrically connected with the backlight starting-up signal input end of the main screen backlight circuit and used for sending a main screen backlight starting-up signal to drive the main screen backlight circuit to work when receiving the main screen driving signal.
In one embodiment, the sub-screen device is further provided with a sub-screen backlight circuit,
the power supply end of the secondary screen backlight circuit is electrically connected with the third output end of the secondary screen power supply circuit;
and the backlight starting-up signal output end of the secondary screen CPU is electrically connected with the backlight starting-up signal input end of the secondary screen backlight circuit and used for sending a secondary screen backlight starting-up signal to drive the secondary screen backlight circuit to work when receiving the secondary screen driving signal.
In one embodiment, the main screen device is further provided with a main screen driving circuit,
the screen driving signal output end of the main screen CPU is electrically connected with the screen driving signal input end of the main screen driving circuit and used for sending a main screen driving signal to drive the main screen driving circuit to be electrified when receiving the main screen driving signal;
the auxiliary screen device is also provided with an auxiliary screen driving circuit,
and the screen driving signal output end of the auxiliary screen CPU is electrically connected with the screen driving signal input end of the auxiliary screen driving circuit and used for sending an auxiliary screen driving signal to drive the auxiliary screen driving circuit to be electrified when the auxiliary screen driving signal is received.
Above-mentioned double screen intelligence interactive system, all be connected the drive signal input of vice screen MCU with main screen MCU's drive signal input with the wakening signal output circuit electricity for main screen MCU and vice screen MCU can receive the wakening signal simultaneously, and main screen MCU's main screen drive signal and vice screen MCU's vice screen drive signal can be sent simultaneously, triggers main screen CPU and vice screen CPU power-on work, realizes the synchronous awakening up of main screen device and vice screen device.
Drawings
FIG. 1 is a block diagram of a synchronous wake-up structure of a dual-screen intelligent interactive system in an embodiment;
FIG. 2 is a block diagram of a power supply architecture of a dual-screen intelligent interactive system in one embodiment;
FIG. 3 is a block diagram of a main screen power supply circuit according to an embodiment;
FIG. 4 is a block diagram of a secondary screen power supply circuit in one embodiment;
fig. 5 is a block diagram of a synchronous wake-up structure of a dual-screen intelligent interactive system in another embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
In one embodiment, as shown in fig. 1, a dual-screen intelligent interactive system is provided, which includes a main screen device 100 and an auxiliary screen device 200, wherein the main screen device 100 is provided with a main screen CPU110 and a main screen MCU120, and the auxiliary screen device 200 is provided with an auxiliary screen CPU210 and an auxiliary screen MCU 220;
the driving signal output end of the main screen MCU120 is respectively electrically connected with the driving signal input end of the main screen CPU110 and is used for sending a main screen driving signal to drive the main screen CPU110 to be powered on when receiving the wake-up signal;
the driving signal input end of the auxiliary screen MCU220 and the driving signal input end of the main screen MCU120 are both electrically connected to the wake-up signal output circuit 130, and the driving signal output end is electrically connected to the driving signal input end of the auxiliary screen CPU210, and is configured to send an auxiliary screen driving signal to drive the auxiliary screen CPU210 to power on when receiving the wake-up signal.
The main screen CPU110 is a processor of the main screen device 100, and is turned off in a standby state, the main screen MCU120 continues to operate in a standby state, and sends a main screen driving signal to the main screen CPU110 when receiving the wake-up signal, so as to drive the main screen CPU110 to operate in a power-on state; the sub-screen CPU210 is a processor of the sub-screen apparatus 200, and is turned off in standby, and the sub-screen MCU220 continues to operate in standby, and transmits a sub-screen driving signal to the sub-screen CPU210 when receiving the wake-up signal, so as to drive the sub-screen CPU210 to operate in power-on.
The main screen device 100 and the auxiliary screen device 200 are both intelligent interactive flat plates, and a display flat plate of the dual-screen intelligent interactive system is formed by splicing the display flat plates of the main screen device 100 and the auxiliary screen device 200, wherein the intelligent interactive flat plate (IIP) is an integrated device for controlling contents displayed on the display flat plate (LCD, LED, PDP) and realizing human-computer interactive operation through a touch technology.
According to the double-screen intelligent interaction system, the driving signal input end of the auxiliary screen MCU220 and the driving signal input end of the main screen MCU120 are electrically connected with the awakening signal output circuit 130, so that the main screen MCU120 and the auxiliary screen MCU220 can simultaneously receive awakening signals, the main screen driving signal of the main screen MCU120 and the auxiliary screen driving signal of the auxiliary screen MCU220 can be simultaneously transmitted, the main screen CPU110 and the auxiliary screen CPU210 are triggered to be powered on to work, and synchronous awakening of the main screen device 100 and the auxiliary screen device 200 is achieved.
In one embodiment, as shown in fig. 2, the main screen device 100 is further provided with a main screen power supply circuit 140 and a first relay 150; the sub-screen device 200 is further provided with a sub-screen power supply circuit 240 and an or gate circuit 230;
the input end of the first relay 150 is used for being electrically connected with a power supply through an alternating current signal interface ACIN of the main screen device 100, and the output end is electrically connected with an alternating current signal input end of the auxiliary screen power supply circuit 240;
a first output end of the main screen MCU120 is electrically connected to a controlled end of the first relay 150, and is configured to drive the first relay 150 to be turned on when receiving the wake-up signal;
the first output end of the main screen power supply circuit 140 is electrically connected with the power supply end of the main screen CPU110, and the second output end is electrically connected with the power supply end of the main screen MCU120, and is used for supplying power to the main screen CPU110 and the main screen MCU120 when the power supply is turned on; a third output end of the main screen power supply circuit 140 is electrically connected with a power supply end of the auxiliary screen MCU220 through a first end of the OR gate circuit 230, and is used for supplying power to the auxiliary screen MCU220 when the first relay 150 is not conducted;
the first output end of the sub-screen power supply circuit 240 is electrically connected to the power supply end of the sub-screen CPU210, and the second output end is electrically connected to the power supply end of the sub-screen MCU220 through the second end of the or gate circuit 230, and is configured to supply power to the sub-screen CPU210 and the sub-screen MCU220 when the first relay 150 is turned on.
The main screen power supply circuit 140 is used for supplying power to the main screen CPU110, the main screen MCU120 and each functional circuit in the main screen device 100 when the power supply is turned on, and simultaneously provides a working power supply for the auxiliary screen MCU220 when the first relay 150 is not turned on, and the auxiliary screen power supply circuit 240 is not turned on when the first relay 150 is not turned on, and is only supplied with power by the main screen power supply circuit 140, so that power consumption of the dual-screen intelligent interactive system during standby can be reduced. When the main screen MCU120 and the auxiliary screen MCU220 receive the wake-up signal, the main screen MCU120 drives the first relay 150 to be conducted, a power supply source is connected to the auxiliary screen power supply circuit 240, at the moment, the auxiliary screen MCU220 is powered by the auxiliary screen power supply circuit 240, the auxiliary screen power supply circuit 240 is also used for supplying power to the auxiliary screen CPU210 and each functional circuit in the auxiliary screen device 200, the main screen power supply circuit 140 and the auxiliary screen power supply circuit 240 are respectively and electrically connected to the auxiliary screen MCU220 through the OR gate circuit 230, and the auxiliary screen MCU220 can be supplied with working power only by connecting any one of the main screen power supply circuit 140 and the auxiliary screen power supply circuit 240.
In one embodiment, as shown in fig. 3, the main screen power supply circuit 140 is provided with a second relay 142 and a main screen power supply board 141,
the input terminal of the second relay 142 is electrically connected to the first output terminal of the main screen power supply board 141, the output terminal is electrically connected to the power supply terminal of the main screen CPU110,
the input end of the main screen power board 141 is used for being electrically connected with a power supply through an alternating current signal interface ACIN of the main screen device 100, and is used for supplying power to the main screen CPU110 when the power supply is switched on and the second relay 142 is switched on;
the output end of the second relay 142 is a first output end of the main screen power supply circuit 140, the second output end of the main screen power supply board 141 is a second output end of the main screen power supply circuit 140, and the third output end is a third output end of the main screen power supply circuit 140;
the second output end of the main screen MCU120 is electrically connected to the controlled end of the second relay 142, and is configured to drive the second relay 142 to be turned on when receiving the wake-up signal.
In order to ensure that the main screen CPU110 is not started by mistake in the standby state, the second relay 142 is arranged for electrically connecting the power terminals of the main screen power board 141 and the main screen CPU110, so that the main screen CPU110 can be powered on only after the main screen MCU120 needs to drive the main screen CPU110 and the second relay 142 to be turned on respectively when receiving the wake-up signal, thereby avoiding the main screen CPU110 from being started by mistake.
In one embodiment, as shown in fig. 4, the sub-panel power supply circuit 240 is provided with a third relay 242 and a sub-panel power supply board 241,
an input end of the third relay 242 is electrically connected with a first output end of the auxiliary screen power supply board 241, and an output end is electrically connected with a power supply end of the auxiliary screen CPU 210;
the input end of the auxiliary screen power supply board 241 is used for being electrically connected with the output end of the first relay 150 and supplying power to the auxiliary screen CPU210 when the first relay 150 is turned on and the third relay 242 is turned on;
the output end of the third relay 242 is a first output end of the auxiliary screen power supply circuit 240, and the second output end of the auxiliary screen power supply board 241 is a second output end of the auxiliary screen power supply circuit 240;
the first output end of the auxiliary screen MCU220 is electrically connected to the controlled end of the third relay 242, and is configured to drive the third relay 242 to be turned on when receiving the wake-up signal.
In order to ensure that the auxiliary screen CPU210 cannot be started by mistake in the standby state, the third relay 242 is provided for electrically connecting the auxiliary screen power board 241 and the power ends of the auxiliary screen CPU210, so that the auxiliary screen CPU210 can be powered on only after the auxiliary screen MCU220 needs to drive the auxiliary screen CPU210 and the third relay 242 to be turned on respectively when receiving the wake-up signal, thereby avoiding the auxiliary screen CPU210 from being started by mistake.
In one embodiment, as shown in fig. 5, the wake-up signal output circuit 130 includes an infrared signal receiving circuit 131,
the infrared signal receiving circuit 131 is electrically connected to the first input terminal of the main screen MCU120 and the first input terminal of the auxiliary screen MCU220, respectively, and is configured to send a wake-up signal to the main screen MCU120 and the auxiliary screen MCU220 when receiving the infrared signal.
The infrared signal receiving circuit 131 is configured to receive an infrared signal sent by an infrared remote controller, and if the infrared signal is received in a standby state, send a wake-up signal to the main screen MCU120 and the auxiliary screen MCU220, so as to synchronously wake up the main screen device 100 and the auxiliary screen device 200.
In one embodiment, the wake-up signal output circuit 130 includes a first hall sensor;
the first hall sensor is electrically connected with the second input end of the main screen MCU120 and the second input end of the auxiliary screen MCU220, respectively, and is configured to send a wake-up signal to the main screen MCU120 and the auxiliary screen MCU220 when detecting a change in magnetic flux.
The first hall sensor is used for sending a wake-up signal to the main screen MCU120 and the sub-screen MCU220 in a standby state if a magnetic flux changes due to a touch of a stylus, so as to wake up the main screen device 100 and the sub-screen device 200 synchronously.
In one embodiment, the sub-screen device 200 is provided with a second hall sensor;
the second hall sensor is electrically connected to a third input terminal of the main screen MCU120 and a third input terminal of the auxiliary screen MCU220, respectively, and is configured to send a wake-up signal to the main screen MCU120 and the auxiliary screen MCU220 when detecting a change in magnetic flux.
The second hall sensor is configured to send a wake-up signal to the main screen MCU120 and the sub-screen MCU220 in a standby state if a magnetic flux changes due to a touch of the stylus pen, so as to synchronously wake up the main screen device 100 and the sub-screen device 200.
In one embodiment, the main screen device 100 is further provided with a main screen backlight circuit,
the power supply end of the main screen backlight circuit is electrically connected with the fourth output end of the main screen power supply board 141;
the backlight starting-up signal output end of the main screen CPU110 is electrically connected with the backlight starting-up signal input end of the main screen backlight circuit and used for sending a main screen backlight starting-up signal to drive the main screen backlight circuit to work when receiving the main screen driving signal.
When the main screen CPU110 receives a main screen driving signal sent by the main screen MCU120, the main screen CPU110 is powered on, and simultaneously sends a main screen backlight power-on signal to the main screen backlight circuit to drive the main screen backlight circuit to turn on the backlight.
In one embodiment, the sub-screen apparatus 200 is further provided with a sub-screen backlight circuit,
the power supply end of the secondary screen backlight circuit is electrically connected with the third output end of the secondary screen power supply board 241;
the backlight starting-up signal output end of the secondary screen CPU210 is electrically connected to the backlight starting-up signal input end of the secondary screen backlight circuit, and is configured to send a secondary screen backlight starting-up signal to drive the secondary screen backlight circuit to operate when receiving the secondary screen driving signal.
When the sub-screen CPU210 receives the sub-screen driving signal sent by the sub-screen MCU220, the sub-screen CPU210 is powered on, and simultaneously sends a sub-screen backlight power-on signal to the sub-screen backlight circuit to drive the sub-screen backlight circuit to turn on the backlight.
In one embodiment, the main screen device 100 is further provided with a main screen driving circuit,
the screen driving signal output end of the main screen CPU110 is electrically connected with the screen driving signal input end of the main screen driving circuit and is used for sending a main screen driving signal to drive the main screen driving circuit to be electrified when receiving the main screen driving signal;
the sub-screen device 200 is further provided with a sub-screen driving circuit,
the screen driving signal output end of the secondary screen CPU210 is electrically connected to the screen driving signal input end of the secondary screen driving circuit, and is configured to send a secondary screen driving signal to drive the secondary screen driving circuit to power up when receiving the secondary screen driving signal.
When the main screen CPU110 receives a main screen driving signal sent by the main screen MCU120, the main screen CPU110 is powered on, and simultaneously sends a main screen driving signal to the main screen driving circuit to drive the main screen driving circuit to be powered on to work, and display is started;
when the auxiliary screen CPU210 receives the auxiliary screen driving signal sent by the auxiliary screen MCU220, the auxiliary screen CPU210 is powered on, and simultaneously sends the auxiliary screen driving signal to the auxiliary screen driving circuit to drive the auxiliary screen driving circuit to power on and operate, and start display.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A double-screen intelligent interaction system is characterized by comprising a main screen device and an auxiliary screen device, wherein the main screen device is provided with a main screen CPU, a wake-up signal output circuit and a main screen MCU, and the auxiliary screen device is provided with an auxiliary screen CPU and an auxiliary screen MCU;
the driving signal output end of the main screen MCU is respectively electrically connected with the driving signal input end of the main screen CPU and is used for sending a main screen driving signal to drive the main screen CPU to be powered on when receiving a wake-up signal;
and the driving signal input end of the auxiliary screen MCU and the driving signal input end of the main screen MCU are electrically connected with the awakening signal output circuit, and the driving signal output end of the auxiliary screen MCU is electrically connected with the driving signal input end of the auxiliary screen CPU and used for sending an auxiliary screen driving signal to drive the auxiliary screen CPU to be electrified when the awakening signal is received.
2. The dual-screen intelligent interaction system of claim 1, wherein the main screen device is further provided with a main screen power supply circuit and a first relay; the auxiliary screen device is also provided with an auxiliary screen power supply circuit and an OR gate circuit;
the input end of the first relay is electrically connected with a power supply through an alternating current signal interface of the main screen device, and the output end of the first relay is electrically connected with an alternating current signal input end of the auxiliary screen power supply circuit;
a first output end of the main screen MCU is electrically connected with a controlled end of the first relay and is used for driving the first relay to be conducted when the wake-up signal is received;
the first output end of the main screen power supply circuit is electrically connected with the power supply end of the main screen CPU, and the second output end of the main screen power supply circuit is electrically connected with the power supply end of the main screen MCU and used for supplying power to the main screen CPU and the main screen MCU when the power supply is switched on; the third output end of the main screen power supply circuit is electrically connected with the power supply end of the auxiliary screen MCU through the first end of the OR gate circuit and is used for supplying power to the auxiliary screen MCU when the first relay is not conducted;
and the first output end of the auxiliary screen power supply circuit is electrically connected with the power supply end of the auxiliary screen CPU, and the second output end of the auxiliary screen power supply circuit is electrically connected with the power supply end of the auxiliary screen MCU through the second end of the OR gate circuit and is used for supplying power to the auxiliary screen CPU and the auxiliary screen MCU when the first relay is switched on.
3. The dual-screen intelligent interactive system according to claim 2, wherein the main screen power supply circuit is provided with a second relay and a main screen power supply board,
the input end of the second relay is electrically connected with the first output end of the main screen power supply board, the output end of the second relay is electrically connected with the power supply end of the main screen CPU,
the input end of the main screen power panel is used for being electrically connected with the power supply through an alternating current signal interface of the main screen device and supplying power to the main screen CPU when the power supply is switched on and the second relay is switched on;
the output end of the second relay is a first output end of the main screen power supply circuit; the second output end of the main screen power supply board is the second output end of the main screen power supply circuit, and the third output end of the main screen power supply board is the third output end of the main screen power supply circuit;
and the second output end of the main screen MCU is electrically connected with the controlled end of the second relay and is used for driving the second relay to be switched on when receiving the awakening signal.
4. The dual-screen intelligent interactive system according to claim 3, wherein the secondary screen power supply circuit is provided with a third relay and a secondary screen power supply board,
the input end of the third relay is electrically connected with the first output end of the auxiliary screen power panel, and the output end of the third relay is electrically connected with the power supply end of the auxiliary screen CPU;
the input end of the auxiliary screen power panel is used for being electrically connected with the output end of the first relay and supplying power to the auxiliary screen CPU when the first relay is conducted and the third relay is conducted;
the output end of the third relay is the first output end of the auxiliary screen power supply circuit; the second output end of the auxiliary screen power supply board is the second output end of the auxiliary screen power supply circuit;
and the first output end of the auxiliary screen MCU is electrically connected with the controlled end of the third relay and is used for driving the third relay to be switched on when receiving the awakening signal.
5. The dual-screen intelligent interactive system according to claim 4, wherein the wake-up signal receiving circuit comprises an infrared signal receiving circuit,
the infrared signal receiving circuit is respectively electrically connected with the first input end of the main screen MCU and the first input end of the auxiliary screen MCU and is used for sending the awakening signal to the main screen MCU and the auxiliary screen MCU when receiving the infrared signal.
6. The dual-screen intelligent interactive system according to claim 4, wherein the wake-up signal receiving circuit comprises a first Hall sensor;
the first Hall sensor is respectively electrically connected with the second input end of the main screen MCU and the second input end of the auxiliary screen MCU and used for sending the awakening signal to the main screen MCU and the auxiliary screen MCU when detecting the change of magnetic flux.
7. The dual-screen intelligent interaction system of claim 4, wherein the secondary screen device is provided with a second Hall sensor;
and the second Hall sensor is respectively electrically connected with the third input end of the main screen MCU and the third input end of the auxiliary screen MCU and is used for sending the awakening signal to the main screen MCU and the auxiliary screen MCU when detecting the change of magnetic flux.
8. The dual-screen intelligent interactive system according to claim 7, wherein the main screen device is further provided with a main screen backlight circuit,
a power supply end of the main screen backlight circuit is electrically connected with a fourth output end of the main screen power supply board;
and the backlight starting-up signal output end of the main screen CPU is electrically connected with the backlight starting-up signal input end of the main screen backlight circuit and used for sending a main screen backlight starting-up signal to drive the main screen backlight circuit to work when receiving the main screen driving signal.
9. The dual-screen intelligent interactive system according to claim 7, wherein the secondary screen device is further provided with a secondary screen backlight circuit,
the power supply end of the secondary screen backlight circuit is electrically connected with the third output end of the secondary screen power supply board;
and the backlight starting-up signal output end of the secondary screen CPU is electrically connected with the backlight starting-up signal input end of the secondary screen backlight circuit and used for sending a secondary screen backlight starting-up signal to drive the secondary screen backlight circuit to work when receiving the secondary screen driving signal.
10. The dual-screen intelligent interactive system according to claim 7, wherein the main screen device is further provided with a main screen driving circuit,
the screen driving signal output end of the main screen CPU is electrically connected with the screen driving signal input end of the main screen driving circuit and used for sending a main screen driving signal to drive the main screen driving circuit to be electrified when the main screen driving signal is received;
the auxiliary screen device is also provided with an auxiliary screen driving circuit,
and the screen driving signal output end of the auxiliary screen CPU is electrically connected with the screen driving signal input end of the auxiliary screen driving circuit and used for sending an auxiliary screen driving signal to drive the auxiliary screen driving circuit to be electrified when the auxiliary screen driving signal is received.
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| CN201921642622.9U CN210573737U (en) | 2019-09-29 | 2019-09-29 | Double-screen intelligent interaction system |
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| CN (1) | CN210573737U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
| CN114486315A (en) * | 2022-02-09 | 2022-05-13 | 深圳创维－Rgb电子有限公司 | Automatic test method for lifting of auxiliary screen, display device and readable storage medium |
| CN114486315B (en) * | 2022-02-09 | 2024-06-11 | 深圳创维－Rgb电子有限公司 | Automatic test method for lifting of auxiliary screen, display equipment and readable storage medium |
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2019
- 2019-09-29 CN CN201921642622.9U patent/CN210573737U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
| CN114486315A (en) * | 2022-02-09 | 2022-05-13 | 深圳创维－Rgb电子有限公司 | Automatic test method for lifting of auxiliary screen, display device and readable storage medium |
| CN114486315B (en) * | 2022-02-09 | 2024-06-11 | 深圳创维－Rgb电子有限公司 | Automatic test method for lifting of auxiliary screen, display equipment and readable storage medium |
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