CN109903703A - Intelligent display device and display system - Google Patents

Abstract

Intelligent display device provided by the invention and display system can arbitrarily trample position for being set to indoor and outdoor comprising: shell, upper surface are display surface；Shell, upper surface are display surface；Circuit block is disposed in the housing comprising: display unit, for forming display content in the display surface；Processing unit communicates to connect the display unit；Contact-making switch communicates to connect the processing unit under the display surface of the shell, for incuding trample action, and generates electric signal when sensing trample action every time and is sent to the processing unit；Functional circuit unit communicates to connect the display unit；Technical solution of the present invention provides the ground with processing capacity and shows equipment, solves problem of the prior art.

Description

Intelligent display device and display system

technical field

The present invention relates to the technical field of intelligent lighting, in particular to an intelligent display device and a display system.

Background technique

At present, with the development of smart homes, the functions of indoor lights are becoming more and more diversified. For example, people can control the color temperature, switch and so on of the lights with their mobile phones.

However, indoor lamps are usually used for decoration, and do not take into account other functions, such as building materials.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a smart display device and a display system, which can be installed in an indoor stepping position to solve the problems in the prior art.

In order to achieve the above purpose and other related purposes, the present invention provides an intelligent display device, which can be installed in any position indoors or outdoors that can be stepped on, which includes: a casing, the upper surface of which is a display surface; , which includes: a display unit for forming display content on the display surface; a processing unit for communicating with the display unit; a contact switch, located under the display surface of the casing, communicating with the processing unit, and using The function circuit unit is connected to the display unit in communication with the function circuit unit for sensing the stepping action, and generating an electrical signal to send to the processing unit every time the stepping action is sensed.

In an embodiment of the present invention, the functional circuit unit includes: a wireless communication unit communicatively connected to the processing unit.

In an embodiment of the present invention, the display content includes: image data displayed as a floor.

In an embodiment of the present invention, the display content includes: image data received by the wireless communication unit from an external device.

In an embodiment of the present invention, the wireless communication unit is used to obtain time data from an external device; the functional circuit unit includes: a clock unit, used to use the time data to synchronize the system of the smart display device time.

In an embodiment of the present invention, the display content includes the system time.

In an embodiment of the present invention, the processing unit is configured to instruct the smart display device to perform state switching each time the electrical signal is received, and the state switching refers to switching between a working state and a standby state. .

In an embodiment of the present invention, the smart display device includes a sensing unit, which is communicatively connected to the processing unit.

In an embodiment of the present invention, the sensing unit includes: a brightness sensor for collecting an ambient brightness signal; the processing unit for receiving the activation signal and judging according to the ambient brightness signal. When the current ambient brightness value is lower than a preset threshold, the display unit is activated.

In an embodiment of the present invention, the sensing unit includes: a temperature sensor; the functional circuit unit further includes: a temperature control unit communicatively connected with the processing unit for adjusting the temperature of the casing.

In an embodiment of the present invention, when the processing unit enters the working state, the temperature control unit adjusts the temperature of the casing to a preset temperature.

In an embodiment of the present invention, the processing unit determines whether the system time of the smart display device complies with a preset time period condition, and adjusts the housing temperature according to the judgment result; / or sooner or later.

In an embodiment of the present invention, the wireless communication unit is further configured to receive current weather temperature data from an external device; the processing unit is configured to instruct the temperature control unit to adjust the temperature of the casing to be consistent with the temperature of the housing. It is suitable for the current weather temperature.

In an embodiment of the present invention, the functional circuit unit further includes: an image acquisition unit, which is set so that the image acquisition direction is toward or away from the display surface.

In an embodiment of the present invention, when the smart display device is designated as a warning object, the processing unit thereof is further configured to start the image acquisition unit under a predetermined condition.

In an embodiment of the present invention, the predetermined condition includes: a timing start condition and/or an abnormal condition.

In an embodiment of the present invention, the abnormal condition includes any one of an intrusion condition and a disaster condition; wherein, the intrusion condition includes: the smart display device designated as an alert object is stepped on ; The disaster conditions include: occurrence of disaster events.

In an embodiment of the present invention, the functional circuit unit further includes: a warning unit, which is communicatively connected to the processing unit, and configured to warn the corresponding trampler when the intrusion condition is met.

In an embodiment of the present invention, the processing unit is further configured to identify whether the current situation meets the abnormal condition from the image data collected by the image acquisition unit; if so, send the information to the outside through the wireless communication unit the collected image data.

In order to achieve the above object and other related objects, the present invention provides a display system, which includes: the plurality of intelligent display devices described above, which can be installed in any position that can be stepped on indoors or outdoors.

In an embodiment of the present invention, the stepable position includes: stairs or the ground.

In an embodiment of the present invention, the image acquisition unit included in the functional circuit unit of the smart display device located on the ground is set to have its image acquisition direction facing the display surface; the functional circuit unit of the smart display device located on the stairs The included image capturing unit is set so that its image capturing direction is away from the display surface.

In an embodiment of the present invention, the smart display device located at the indoor entry and exit positions is designated as a warning object.

As mentioned above, the intelligent display device and display system provided by the present invention can be installed in any indoor or outdoor position that can be stepped on, including: a casing, the upper surface of which is a display surface; Set in the casing, it includes: a display unit for forming display content on the display surface; a processing unit for communicating with the display unit; a contact switch, located under the display surface of the casing, communicating with The processing unit is used to sense the stepping action, and each time the stepping action is sensed, an electrical signal is generated and sent to the processing unit; the functional circuit unit is communicatively connected to the display unit; the technical solution of the present invention provides a processing Capable of ground display devices that solve the problems of the prior art.

Description of drawings

FIG. 1 is a schematic structural diagram of a flat smart display device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram of circuit connections of circuit components in an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a display system according to an embodiment of the present invention.

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other under the condition of no conflict.

It should be noted that the drawings provided in the following embodiments are only used to illustrate the basic concept of the present invention in a schematic way, so the drawings only show the components related to the present invention rather than the number, shape and number of components in actual implementation. For dimension drawing, the type, quantity and proportion of each component can be changed at will in actual implementation, and the component layout may also be more complicated.

The present invention provides a technical solution for a smart display device and a display system thereof, which can be applied to any indoor or outdoor stepping position, such as the ground or stairs, and the smart display device can be used as a ladder for the floor or stairs. .

As shown in FIG. 1 , a schematic structural diagram of a smart display device according to an embodiment of the present invention is shown, which can be installed at any position indoors or outdoors that can be stepped on, and includes a casing 101 and a circuit component 102 .

The casing 101 is in the shape of a flat plate, and can be circular, square or other shapes, which can be changed according to actual needs; the upper surface of the casing 101 is a display surface for displaying content, so the material of the upper surface needs to be used. It is a transparent material, such as glass, etc.; and because it will be stepped on, so the material of the upper surface needs to be a transparent material with better load-bearing capacity; and other parts other than the top surface of the shell 101 can also be the same material, or It is other materials, such as metal, plastic, stone, etc.

In addition, since the floor needs to be scrubbed, the casing 101 needs to be provided with a waterproof structure at least between the top surface and other surfaces, such as applying waterproof glue and/or concave-convex engagement.

The circuit component 102 is disposed in the casing 101 . In the embodiment shown in FIG. 2 , the circuit component includes: a display unit 201 , a processing unit 202 , a contact switch 203 and a functional circuit unit 204 .

The display unit 201 is used for forming display content on the display surface. In an embodiment of the present invention, the display unit 201 is an LED, LCD display screen, etc. Preferably, the display surface on the top surface of the casing 101 is the display surface of the display screen.

The processing unit 202 is communicatively connected to the display unit 201 . In an embodiment of the present invention, the processing unit 202 includes a processor (eg, MCU, CPU, SoC, PLC, or FPGA, etc.), a memory (RAM or ROM), etc., and a computer program may be stored in the memory. The processor runs the computer program to implement various functions.

The functional circuit unit 204 is connected to the processing unit 202 in communication. The functional circuit unit 204 refers to a circuit that is controlled by the processing unit 202 to implement various functions. In an embodiment of the present invention, the functional circuit unit 204 is a set of one or more functional circuits. It includes one or more combinations of the wireless communication unit 205, the wired communication unit 206, the sensing unit 207, the image acquisition unit 208, and the clock unit 209, etc. Of course, the type that can actually include various functional circuits is not the same. It is limited, and although the embodiment of FIG. 2 shows various types of functional circuits, in other embodiments, it may also be one or a part thereof, and may also be one or more of the circuits other than those shown in the figures.

The wireless communication unit 205 is, for example, a circuit module for protocol communication such as WiFi, NB-IOT, 3G/4G/5G mobile communication, Zigbee, or LoRa; the wired communication unit 206 can be, for example, a wired network card, a USB circuit module or other circuit modules; the sensing unit 207 may be a combination of one or more sensors, and the types of sensors include: temperature sensor, humidity sensor, pressure sensor, position sensor, displacement sensor or brightness sensor, etc.; the The image acquisition unit 208 is, for example, a camera, a video camera, etc.; the clock unit 209 can be implemented by a clock circuit; in actual implementation, the circuit components can be implemented by one or multiple PCB circuit boards connected by communication. Various functional circuits described above can be integrated.

In an embodiment of the present invention, the content displayed by the display unit 201 may be the image data of the floor, that is, the floor showing the materials of various colors and textures, such as wood or marble, etc., that is, It can simulate various real floors through the display content of the intelligent display device, so as to realize the replacement of wooden and marble floors.

In an embodiment of the present invention, the display content of the smart display device may be stored locally, or may be received from an external device 210 through the wired/wireless communication unit 205, preferably the wireless communication unit 205, which can The display content of the smart display device is controlled by an external device 210 with wireless communication capability, such as a notebook computer, a tablet computer, a smart phone, and the like.

That is to say, the display content of the smart display device can be flexibly controlled by the external device 210, for example, the ground pattern can be changed according to user needs. Specifically, the external device 210 is, for example, a smart phone, etc. A picture of the wooden floor is sent to the intelligent display device. After receiving the picture of the wooden floor, the processing unit 202 can display the style of the wooden floor on the intelligent display device. Of course, the present invention is not limited to this. The choice of the floor is completely determined by the operator, that is to say, the display pattern of the intelligent display device of the present invention is flexible, for example, the "solid wood floor" can be replaced with "marble floor", or it can also be set to "starry sky", "Sea" is very flexible. It is no longer restricted to a single pattern or color of the existing floor. It can change the pattern of the floor at home according to people's wishes, which is interesting and flexible.

In an embodiment of the present invention, the smart display device can also obtain real-time time data from the external device 210 through the wireless communication unit 205, and is synchronized to the system time by the clock unit 209; the system time can also be used as a display Content is displayed on the display surface.

The contact switch 203 is used for sensing a stepping action, and generates an electrical signal to send to the processing unit 202 every time a stepping action is sensed. It should be noted that, compared with the pressure sensor, using the contact switch 203 can achieve better stability and higher sensitivity.

In some embodiments, the processing unit 202 can switch the smart display device between a working state and a standby state when receiving the electrical signal. For example, in the working state, the display unit 201 is in the display state. There is display content on the surface, and the user steps on it once to enter the standby state and the display unit 201 does not work, so that there is no display on the display surface or goes out; in the standby state, when the user steps on it, it enters the working state and causes the display surface to display content. ; That is to say, a stepping condition is set to realize the power consumption control of the intelligent display device.

In some embodiments, power consumption control can also be performed according to ambient brightness information. Specifically, the smart display device includes a sensing unit 207, and the sensing unit 207 includes a brightness sensor for collecting ambient brightness signals. When only natural light is used as the light source, it will change with time, and the processing unit 202 can start the display unit 201 when the ambient brightness value is lower than a preset threshold (for example, indicating night, cloudy, etc.), That is, a brightness condition is set for power consumption control.

In some embodiments, the functional circuit units 204 in the above-mentioned embodiments of power consumption control may also operate in combination. For example, the processing unit 202 regards the brightness condition in the above-mentioned embodiment as a condition that takes precedence over the stepping condition, and accepts the condition in the standby state. When the user steps on, if the ambient brightness measured by the brightness sensor is not lower than the preset threshold, the display surface will not be lit. In some other embodiments, the brightness condition and the stepping condition may also be "ANDed" as the power consumption control condition.

In an embodiment of the present invention, the sensing unit 207 includes: a temperature sensor; the functional circuit unit 204 further includes: a temperature control unit communicatively connected to the processing unit 202 for adjusting the housing 101 temperature. The temperature control unit can be implemented by a heater and/or a refrigerator in conjunction with a corresponding controller. Since the temperature control technology has been widely used in, for example, air conditioners, the present invention will not describe the specific implementation details.

Optionally, when the processing unit 202 is in the working state, the temperature control unit is made to adjust the temperature of the housing 101 (ie, room temperature) to a preset temperature, for example, to some temperature suitable for the human body, such as 25 degrees Celsius. , 27 degrees Celsius, etc.

In an embodiment of the present invention, the processing unit 202 determines whether the system time of the smart display device complies with a preset time period condition, and adjusts the temperature of the housing 101 according to the judgment result; wherein the preset time period condition is about Seasonal and/or morning and evening may be provided by the clock unit 209 .

For example, the current system time is July 2017, and the processing unit 202 determines that it is summer according to the pre-stored information, and adjusts the temperature of the housing 101 to a preset lower temperature, such as 27 degrees Celsius; or determines If it is determined that it is winter, the temperature of the casing 101 is adjusted to a preset higher temperature; or, if it is determined that it is daytime in winter, the temperature of the casing 101 is adjusted to be appropriately lower than the specified temperature based on the reference temperature. If it is determined that it is night, the temperature of the casing 101 is adjusted to be appropriately higher than the reference temperature.

In some embodiments of the present invention, temperature adjustment can also be performed by using actual temperature data; the wireless communication unit 205 is further configured to receive current weather temperature data from the outside (such as a smartphone); the processing unit 202 is configured to The temperature control unit is made to adjust the temperature of the casing 101 to suit the current weather temperature.

For example, the smart phone can obtain the real-time weather data "cloudy, the temperature is 3-5 degrees Celsius" through the weather APP, and transmit it to the smart display device through wireless communication. 24 degrees Celsius, etc.

In an embodiment of the present invention, when the smart display device includes an image capture unit 208, the image capture unit 208 can be used for security alert.

The image acquisition unit 208 can be activated in various ways, including a mode of active activation by a user and/or a passive activation mode due to a trigger condition.

In an embodiment of the present invention, when the smart display device is designated as an alert object, the processing unit 202 is configured to activate the image acquisition unit 208 under a predetermined condition; The intelligent display device of the location needs to turn on the image acquisition unit 208 as a warning object. The ground display unit 201 designated as a warning object can be an indoor entry and exit location, such as a balcony, a kitchen window, or a door, etc. The location where thieves can easily enter and exit, each smart display device can be distinguished by a unique identifier (such as ID number, etc.), each smart display device is installed in a fixed indoor location, and the external device 210 can identify each fixed location correspondingly through the identifier The intelligent display device of the location, so that each intelligent display device at the indoor entry and exit positions can be determined and set as the warning object.

The predetermined conditions include: timing activation conditions and/or abnormal conditions; specifically, the timing activation conditions are whether the current time meets the preset activation time; the abnormal conditions include: intrusion conditions, and disaster conditions Any one of ; wherein, the intrusion condition includes: the smart display device designated as the warning object is stepped on; the disaster condition includes: the occurrence of a disaster event.

For example, in the initial setting, it is set that the smart display devices in the kitchen and the door on the balcony from 10:00 pm to 6:00 am start the alert mode, that is, the image capture device is turned on; The APP can be selectively turned on and off for more time, such as turning it on when going out during the day and turning it off after returning, or turning it on when taking a nap at noon and turning it off after waking up.

Regarding the judgment of the abnormal condition, for example, when someone steps on the smart display device as the alert object, the contact switch 203 will send an electrical signal to the processing unit 202, and the processing unit 202 will send a signal to turn on the image acquisition unit 208. The signal is sent to the image acquisition unit 208, and the image acquisition unit 208 is turned on for video monitoring. It should be noted that in the alert mode, the image acquisition unit 208 is in a standby state, and is not always on, only when a thief intrusion occurs (stepping on the intelligence). When the person in the house goes out or takes a nap, the person in the house can send an instruction to turn on the image acquisition unit 208 to the smart display device through the mobile phone, and the smart display device will be sent by the smart display device when it receives the signal. The processing unit 202 sends an instruction to turn on the image capture unit 208 to the image capture unit 208, and the image capture unit 208 is turned on to perform video surveillance to play a warning role.

In an embodiment of the present invention, the processing unit 202 is further configured to identify whether the current situation meets the abnormal condition from the image data collected by the image collection unit 208; 205 Send the collected image data externally. For example, when the image acquisition unit 208 captures an abnormal situation such as someone breaking in, it will immediately take a photo and transmit it to the owner's mobile phone. More preferably, it can also cooperate with image recognition technology (such as face Recognition or human body recognition) to distinguish whether it is a stranger intruding, etc., to improve the accuracy of abnormal event judgment; the action of image recognition can be performed by the processing unit 202, or can be communicated with the intelligent display device. external device 210 to execute.

In an embodiment of the present invention, the functional circuit unit 204 further includes: a warning unit, which is communicatively connected to the processing unit 202 and configured to warn the corresponding trampler when the intrusion condition is met. The warning unit may be a sound or light alarm device, such as a buzzer, a display screen, etc. For example, a horn may be installed on the smart display device to emit an alarm sound, which can warn and deter abnormal persons.

In the above-mentioned embodiment, the image acquisition unit 208 and the opening and closing of the image acquisition unit 208 can be implemented by an APP on an external device 210 such as a smart phone, a notebook computer, a tablet computer, or the like.

It should be noted that, the intelligent display device can be set in any place where you can step on indoors or outdoors, such as the ground or the stairs, etc. If the intelligent display device is set on the ground, the image acquisition direction of the image acquisition unit 208 needs to be upward. set to monitor the area above it; if the intelligent display device is set on the stairs, the image acquisition direction of its image acquisition unit 208 can be set up and/or down to monitor the top and/or bottom, specifically, the upper, The image capture unit 208 may include a plurality of cameras, and the image capture directions are all up, all down, or partly up and the other partly down.

As shown in FIG. 3 , the display system shown in the embodiment of the present invention is shown, which includes: a plurality of the smart display devices 301 .

The plurality of intelligent display devices 301 are installed in any position that can be stepped on indoors or outdoors, such as the ground or the stairs of the stairs. Glue to fix and waterproof; each smart display device 301 can be a square as shown in FIG. 3, such as a square or a rectangle, similar to the shape of the existing floor, of course, it can also be a triangle or a trapezoid, which is not shown in this figure Examples are limited.

According to the foregoing embodiment, the user can communicate with each smart display device through an APP on an external device such as a smart phone, a tablet computer, etc., and then locate the smart display device 301 at any position (such as point A or point B in the figure), that is, For example, each fixed-position smart display device can be located by its unique identifier, so that functions such as the aforementioned image data transmission, power consumption management, and alert mode management can be performed; and each smart display device 301 can also be automatically managed. , such as the automatic power consumption management, the guard mode management, etc. mentioned in the foregoing embodiments.

In an embodiment of the present invention, the image acquisition unit included in the functional circuit unit of the intelligent display device 301 located on the ground is set so that its image acquisition direction is directed toward the display surface; the function of the intelligent display device 301 located on the stairs is The image acquisition unit included in the circuit unit is set so that its image acquisition direction is facing away from the display surface.

In an embodiment of the present invention, the smart display device located at the indoor entry and exit positions is designated as a warning object.

To sum up, the intelligent display device and display system provided by the present invention can be installed in any position indoors or outdoors that can be stepped on, including: a casing, the upper surface of which is the display surface; the casing, the upper surface of which is the display surface; circuit components , set in the casing, which includes: a display unit for forming display content on the display surface; a processing unit for communicating with the display unit; a contact switch, located under the display surface of the casing, communicating with The processing unit is connected to the processing unit for sensing the stepping action, and an electrical signal is generated to send to the processing unit every time the stepping action is sensed; the functional circuit unit is connected to the display unit in communication; the technical scheme of the present invention provides The ground display device with processing power solves the problems of the prior art.

The invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims (23)

1. a kind of intelligent display device, which is characterized in that can arbitrarily trample position for being set to indoor and outdoor comprising:

Shell, upper surface are display surface；

Circuit block is disposed in the housing comprising:

Display unit, for forming display content in the display surface；

Processing unit communicates to connect the display unit；

Contact-making switch communicates to connect the processing unit under the display surface of the shell, for incuding trample action, and Electric signal is generated when sensing trample action every time is sent to the processing unit；

Functional circuit unit communicates to connect the display unit.

2. intelligent display device according to claim 1, which is characterized in that the functional circuit unit include: with it is described The wireless communication unit of processing unit communication connection.

3. intelligent display device according to claim 2, which is characterized in that the display content includes: to be shown as floor Image data.

4. intelligent display device according to claim 2, which is characterized in that the display content includes: the channel radio Believe unit from the received image data of external equipment.

5. intelligent display device according to claim 2, which is characterized in that the wireless communication unit is used for from outside Equipment obtains time data；The functional circuit unit includes: clock unit, described for being synchronized using the time data The system time of intelligent display device.

6. intelligent display device according to claim 5, which is characterized in that when the display content includes the system Between.

7. intelligent display device according to claim 1, which is characterized in that the processing unit, for receiving every time Carry out state switching to the electric signal season intelligent display device, the state switching refer to working condition and to Switch between machine state.

8. intelligent display device according to claim 1 or claim 7, which is characterized in that including sensing unit, described in communication connection Processing unit.

9. intelligent display device according to claim 8, which is characterized in that the sensing unit includes: luminance sensor, For acquiring ambient light signal；The processing unit, for receiving the activation signal and according to the ambient brightness When signal judges current environment brightness value lower than preset threshold, start the display unit.

10. intelligent display device according to claim 8, which is characterized in that the sensing unit includes: temperature sensing Device；The functional circuit unit further include: the temperature control unit with processing unit communication connection, for adjusting the shell Temperature.

11. intelligent display device according to claim 10, which is characterized in that the processing unit is entering working condition When, enable the temperature control unit adjust the case temperature to preset temperature.

12. intelligent display device according to claim 11, which is characterized in that the processing unit judges that intelligent display fills Whether the system time set meets preset period of time condition, and adjusts the case temperature according to judging result；Wherein, described default Period condition is about season and/or morning and evening.

13. intelligent display device according to claim 10, which is characterized in that the functional circuit unit includes: and institute State the wireless communication unit of processing unit communication connection；The wireless communication unit is also used to receive from external equipment and works as the day before yesterday Gas temperature data；The processing unit works as the day before yesterday to described for enabling the temperature control unit adjust the case temperature Temperature degree is adapted.

14. intelligent display device according to claim 1, which is characterized in that the functional circuit unit further include: image Acquisition unit, being set as Image Acquisition direction is toward or away from the display surface.

15. intelligent display device according to claim 14, which is characterized in that be designated as in the intelligent display device In the case where alert subjects, processing unit is also used to start described image acquisition unit in predefined conditions.

16. intelligent display device according to claim 15, which is characterized in that the predetermined condition includes: start by set date Condition and/or exceptional condition.

17. intelligent display device according to claim 16, which is characterized in that the exceptional condition include: condition of swarming into, And any one in hazardous condition；Wherein, the condition of swarming into includes: the intelligent display dress for being designated as alert subjects It sets and is trampled；The hazardous condition includes: the generation of Disaster Event.

18. intelligent display device according to claim 17, which is characterized in that the functional circuit unit further include: alert Accuse unit, communicate to connect the processing unit, for meet it is described swarm into condition in the case where, warned to corresponding treader It accuses.

19. intelligent display device according to claim 17, which is characterized in that the processing unit is also used to from image Acquisition unit acquired image data distinguish whether the present case meets the exceptional condition；If meeting, pass through institute It states wireless communication unit and externally sends the acquired image data.

20. a kind of display system characterized by comprising multiple intelligent displays as described in any one of claims 1 to 19 Device can arbitrarily trample position for being set to indoor and outdoor.

21. display system according to claim 20, which is characterized in that the position that can trample includes: stair or ground.

22. display system according to claim 21, which is characterized in that set on the function electricity of the intelligent display device on ground It is towards the display surface that image acquisition units included by the unit of road, which are set as its Image Acquisition direction,；Set on the intelligence of stair It is backwards to the display that image acquisition units included by the functional circuit unit of display device, which are set as its Image Acquisition direction, Face.

23. display system according to claim 20, which is characterized in that positioned at interior into and out of the intelligence at position Display device is designated as alert subjects.