Intelligent projection device and method of using the same

Abstract

The present invention discloses an intelligent projection device and a method for using the same, and relates to a projection device, and is intended to solve the problem that the projection device is relatively fixed in the projection position and cannot adjust the projection position according to people's height. The key points of the technical solution are: comprising a projector body, a screen and a mounting seat, the projector body is vertically slidably connected to the mounting seat through a driving mechanism, a positioning processor is provided on the mounting seat, and a plurality of sensor modules arranged in a uniform array in the vertical direction are provided on the mounting seat, and the sensor module includes a plurality of infrared sensors located in the same horizontal plane and distributed in a fan shape. The present invention transmits a position signal to the positioning processor through an infrared sensor to start the driving mechanism to drive the projector body to move, and the start-stop signal controls the projector body to start, and the movement of the projector body can drive the movement of the projected image, so that people in the elevator can watch the projection of the projector body at the most suitable angle, and can improve the publicity effect of the projection device.

Description

Technical Field

[0001] The present invention relates to a projection device, and more particularly to an intelligent projection device and a method for using the same. Background Art

[0002] Projection equipment, also known as projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCD, DVD, BD, game consoles, DV, etc. through different interfaces to play corresponding video signals. It is widely used in homes, offices, schools and entertainment venues. Depending on the working method, there are different types such as CRT, LCD, DLP, 3LCD, etc.

[0003] A Chinese patent with publication number CN212050031 U discloses an elevator multimedia device, the technical key points of which are: a projection device is detachably connected to a mounting frame, the projection device includes a shell and an adjustable projection assembly rotatably connected to the shell, the shell is provided with a sensing probe for checking the opening and closing state of the elevator, the sensing probe is connected to the adjustable projection assembly through a central controller, and the central controller is used to control the switch of the adjustable projection assembly.

[0004] The above solution solves the problem that it is inconvenient for people to replace and install posters for publicity. However, the projection position of the existing projection equipment used in elevators is relatively fixed, and the projection position cannot be adjusted according to people's height.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Summary of the invention

[0006] In view of the deficiencies in the prior art, an object of the present invention is to provide an intelligent projection device and a method for using the same.

[0007] The above technical objectives of the present invention are achieved through the following technical solutions: an intelligent projection device, comprising a projector body, a screen and a mounting seat, wherein the projector body is vertically slidably connected to the mounting seat through a driving mechanism, the mounting seat is provided with a positioning processor, and the mounting seat is provided with a plurality of sensor modules evenly arranged in an array in the vertical direction, wherein the sensor modules include a plurality of infrared sensors located in the same horizontal plane and distributed in a fan shape;

[0008] The infrared sensor is communicatively connected with the positioning processor and the projector body;

[0009] The infrared sensor transmits a position signal to the positioning processor for starting the driving mechanism to drive the projector body to move;

[0010] The infrared sensor transmits a start / stop signal to the projector body for starting the projector body to project onto the screen or shutting down the projector body.

[0011] By adopting the above technical solution, the infrared sensor can detect obstacles, so that the height range of elevator users can be measured through the highest infrared sensor that is blocked. By setting fan-shaped infrared sensors, the detection range of the sensor module can cover every corner of the elevator, thereby improving the accuracy of detection. The infrared sensor transmits a position signal to the positioning processor to start the drive mechanism to drive the projector body to move, and the start-stop signal controls the projector body to start. The movement of the projector body can drive the projected image to move, so that people in the elevator can watch the projection of the projector body at the most suitable angle, which can improve the publicity effect of the projection equipment.

[0012] The present invention is further configured as follows: it also includes an input terminal 1, the input terminal 1 is located on the operation panel in the elevator, the input terminal 1 outputs a plurality of rising signals, the plurality of rising signals respectively correspond to each floor except the first floor, and the projector body is provided with an intelligent push module in communication connection with the input terminal 1;

[0013] The input terminal 1 is used to transmit the rising signal to the intelligent push module;

[0014] The intelligent push module drives the projector body to project corresponding content according to the rising signal.

[0015] By adopting the above technical solution, after a person on the first floor enters the elevator and inputs his target floor on the operation panel inside the elevator, the input terminal can output an ascending signal corresponding to his floor, so that the intelligent push module can push corresponding content according to the floor he is on. Relevant content can be pushed to target groups on different floors, i.e., different living environments or working environments, making the push of the projection device more effective.

[0016] The present invention is further configured as follows: it also includes a plurality of input terminals 2, which are respectively located on the elevator external operation panel of each floor except the first floor, and the input terminals 2 output a descending signal corresponding to the floor, and the intelligent push module includes a Bluetooth module, the input terminal 2 and the Bluetooth module are connected in communication, and the effective range of the connection between the input terminal 2 and the Bluetooth module is 1-2M;

[0017] When the input terminal 2 is connected to the intelligent push module, the input terminal 2 transmits the descending signal to the intelligent push module;

[0018] The intelligent push module drives the projector body to project corresponding content according to the falling signal.

[0019] By adopting the above technical solution, when people on the first floor enter the elevator, they input a downward command on the operation panel outside the elevator. After the elevator moves to the user's floor, input terminal 2 is connected to the smart push module via Bluetooth. Since the effective range of the Bluetooth module connection is 1-2M, the smart push module can only connect to input terminal 2 of the user's floor, and input terminal 2 can output a corresponding descending signal of its floor, so that the smart push module can push corresponding content according to the floor it is on, and can push relevant content to target groups on different floors, i.e., different living environments or working environments, making the push of the projection device more effective.

[0020] The present invention is further configured as follows: the infrared sensor is communicatively connected with the intelligent push module, the infrared sensor outputs a height signal corresponding to its height, and the intelligent push module drives the projector body to project corresponding content according to the height signal.

[0021] By adopting the above technical solution, the infrared sensor can output a corresponding height signal to the intelligent push module according to the height of the elevator user, and the intelligent push module can push corresponding content according to the height of the user, making the push of the projection device more effective.

[0022] The present invention is further configured as follows: the intelligent push module also includes a total database one, the total database one includes several height databases one, the height database one includes several floor databases one, the intelligent push module first retrieves the corresponding height database one content from the total database one through a height signal, and the intelligent push module then retrieves the corresponding floor database one content through an ascending signal or a descending signal for projection.

[0023] By adopting the above technical solution, the intelligent push module can first filter out the height database one from the total database one through the height signal, and then filter out the data in the floor database one from the height database one through the rising signal and the falling signal, and then push the relevant content, so that the user's height is used as the first filtering factor, and the living environment or working environment is the second filtering condition.

[0024] The present invention is further configured as follows: the intelligent push module also includes a total database 2, the total database 2 includes a number of floor databases 2, the floor database 2 includes a number of height databases 2, the intelligent push module first retrieves the corresponding floor database 2 content from the total database 2 through an ascending signal or a descending signal, and the intelligent push module then retrieves the corresponding height database 2 content through a height signal for projection.

[0025] By adopting the above technical solution, the intelligent push module can first filter out the floor database 2 from the total database 2 through the rising signal and the falling signal, and then filter out the data in the height database 2 from the floor database 2 through the height signal, and then push the relevant content, so that the user's living environment or working environment is used as the first filtering factor, and his height is the second filtering condition.

[0026] The present invention is further configured as follows: the projector body is provided with a content input module, and the content input module can be connected to a smart phone through a Bluetooth module.

[0027] By adopting the above technical solution, managers can connect to the content entry module through the Bluetooth function of the smartphone, thereby facilitating the replacement of the projection content of the projector body.

[0028] A method for using an intelligent projection device, when a user goes upstairs, comprises the following steps:

[0029] A1: When a user enters the elevator, the infrared sensor scans and measures the user's height, and transmits the corresponding height signal to the intelligent push module, which retrieves the corresponding height database 1 content from the total database 1;

[0030] At the same time, the infrared sensor transmits the position signal to the positioning processor to start the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the user's height;

[0031] At the same time, the infrared sensor transmits the start / stop signal to the projector body, and the projector body turns on;

[0032] A2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 transmits the corresponding rising signal to the intelligent push module. The intelligent push module retrieves the corresponding floor database 1 content from the height database 1 and projects it onto the screen through the projector body;

[0033] A3: When the user leaves, the infrared sensor transmits the start / stop signal to the projector body, and the projector body shuts down.

[0034] When the user goes downstairs, the following steps are included:

[0035] B1: The elevator reaches the corresponding floor, the input terminal 2 of the corresponding floor is connected to the Bluetooth module for communication, a descending signal is generated, and the corresponding descending signal is transmitted to the intelligent push module;

[0036] B2: When a user enters the elevator, the infrared sensor scans and measures the user's height, and transmits the corresponding height signal to the intelligent push module, which retrieves the corresponding height database 1 content from the total database 1;

[0037] At the same time, the infrared sensor transmits the position signal to the positioning processor to start the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the user's height;

[0038] At the same time, the infrared sensor transmits a signal to the projector body, and the projector body turns on;

[0039] B3: According to the descending signal in step B1, the intelligent push module retrieves the corresponding content of the floor database 1 from the height database 1, and projects it onto the screen through the projector body;

[0040] B4: When the user leaves, the infrared sensor transmits the start / stop signal to the projector body, and the projector body shuts down.

[0041] A method for using an intelligent projection device, when a user goes upstairs, comprises the following steps:

[0042] C1: The user enters the elevator, the infrared sensor scans and measures the user's height, and transmits the corresponding height signal to the intelligent push module;

[0043] At the same time, the infrared sensor transmits the position signal to the positioning processor to start the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the user's height;

[0044] At the same time, the infrared sensor transmits the start / stop signal to the projector body, and the projector body turns on;

[0045] C2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 transmits the corresponding rising signal to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2;

[0046] C3: According to the height signal in step C1, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body;

[0047] C4: The user leaves, the infrared sensor transmits the start / stop signal to the projector body, and the projector body is turned off.

[0048] When the user goes downstairs, the following steps are included:

[0049] D1: The elevator reaches the corresponding floor, the input terminal 2 of the corresponding floor is connected to the Bluetooth module for communication, a descending signal is generated, and the corresponding descending signal is transmitted to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2;

[0050] D2: The user enters the elevator, the infrared sensor scans and measures the user's height, and transmits the corresponding height signal to the smart push module;

[0051] At the same time, the infrared sensor transmits the position signal to the positioning processor to start the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the user's height;

[0052] At the same time, the infrared sensor transmits a signal to the projector body, and the projector body turns on;

[0053] D3: According to the height signal in step D2, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body;

[0054] D4: The user leaves, the infrared sensor transmits the start / stop signal to the projector body, and the projector body shuts down.

[0055] In summary, the present invention has the following beneficial effects: the infrared sensor can detect obstacles, so that the height range of elevator users can be measured through the highest infrared sensor that is blocked, and by setting fan-shaped distributed infrared sensors, the detection range of the sensor module can cover every corner of the elevator room, thereby improving the accuracy of detection. The infrared sensor transmits a position signal to the positioning processor to start the driving mechanism to drive the projector body to move, and the start-stop signal controls the projector body to start. The movement of the projector body can drive the projected image to move, thereby making it convenient for people in the elevator room to watch the projection of the projector body at the most suitable angle, and can improve the publicity effect of the projection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 is a flow chart of steps A1-A3 in the present invention;

[0057] Figure 2 is a flow chart of steps B1-B4 in the present invention;

[0058] Figure 3 is a flow chart of steps C1-C4 in the present invention;

[0059] Figure 4 Flow chart of steps D1-D4 in the present invention.

[0060] In the figure: 1. Infrared sensor; 2. Positioning processor; 3. Position signal; 4. Start / stop signal; 5. Input terminal 1; 6. Input terminal 2; 7. Rising signal; 8. Falling signal; 9. Height signal. DETAILED DESCRIPTION

[0061] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0062] Embodiment 1: An intelligent projection device comprises a projector body, a screen, an input terminal 1 5, a plurality of input terminals 2 6 and a mounting seat, wherein the projector body is vertically slidably connected to the mounting seat through a driving mechanism, the driving mechanism comprises a motor and a lead screw assembly, the lead screw assembly is a prior art, and therefore will not be described in detail herein, the projector body is mounted on the lead screw assembly through screws, the motor is used to drive the lead screw of the lead screw assembly to rotate, a positioning processor 2 is provided on the mounting seat, a plurality of sensor modules uniformly arrayed in the vertical direction are provided on the mounting seat, the sensor module comprises a plurality of infrared sensors 1 located in the same horizontal plane and distributed in a fan shape, the infrared sensor 1 is communicatively connected with the positioning processor 2 and the projector body, the infrared sensor 1 transmits a position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, the infrared sensor 1 transmits a start-stop signal 4 to the projector body for starting the projector body to project onto the screen or shutting down the projector body, the projector body is provided with a content entry module, and the content entry module can be communicatively connected with a smart phone through a Bluetooth module.

[0063] The input terminal 5 is located on the operation panel inside the elevator. The input terminal 5 outputs a number of rising signals 7, and the number of rising signals 7 correspond to each floor except the first floor. An intelligent push module connected to the input terminal 5 for communication is provided in the projector body. The input terminal 5 is used to transmit the rising signal 7 to the intelligent push module. The intelligent push module drives the projector body to project the corresponding content according to the rising signal 7.

[0064] Several input terminals 26 are respectively located on the elevator external operation panel of each floor except the first floor. The input terminal 26 outputs the descending signal 8 corresponding to its floor. The intelligent push module includes a Bluetooth module. The input terminal 26 and the Bluetooth module are communicated and connected, and the effective range of the connection between the input terminal 26 and the Bluetooth module is 1-1.5M. When the input terminal 26 and the intelligent push module are connected, the input terminal 26 transmits the descending signal 8 to the intelligent push module, and the intelligent push module drives the projector body to project the corresponding content according to the descending signal 8.

[0065] The infrared sensor 1 is connected to the intelligent push module for communication. The infrared sensor 1 outputs a height signal 9 corresponding to its height. The intelligent push module drives the projector body to project corresponding content according to the height signal 9 .

[0066] The intelligent push module also includes a total database 1, which includes several height databases 1, and the height database 1 includes several floor databases 1. The intelligent push module first retrieves the corresponding height database 1 content from the total database 1 through the height signal 9, and then retrieves the corresponding floor database 1 content through the rising signal 7 or the falling signal 8 for projection.

[0067] When the user goes upstairs, the usage is as follows Figure 1 As shown, the following steps are included:

[0068] A1: When a user enters the elevator, the infrared sensor 1 scans and measures the user's height, and transmits the corresponding height signal 9 to the intelligent push module, which retrieves the corresponding height database 1 content from the total database 1;

[0069] At the same time, the infrared sensor 1 transmits the position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the height of the user;

[0070] At the same time, the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned on;

[0071] A2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 5 transmits the corresponding rising signal 7 to the intelligent push module. The intelligent push module retrieves the corresponding floor database 1 content from the height database 1 and projects it onto the screen through the projector body;

[0072] A3: When the user leaves, the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned off.

[0073] When the user goes downstairs, Figure 2 As shown, the following steps are included:

[0074] B1: The elevator reaches the corresponding floor, the input terminal 2 6 of the corresponding floor is connected to the Bluetooth module for communication, a descending signal 8 is generated, and the corresponding descending signal 8 is transmitted to the intelligent push module;

[0075] B2: The user enters the elevator, the infrared sensor 1 scans and measures the user's height, and transmits the corresponding height signal 9 to the intelligent push module, and the intelligent push module retrieves the corresponding height database 1 content from the total database 1;

[0076] At the same time, the infrared sensor 1 transmits the position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the height of the user;

[0077] At the same time, infrared sensor 1 transmits a signal to the projector body, and the projector body turns on;

[0078] B3: According to the descending signal 8 in step B1, the intelligent push module retrieves the corresponding content of the floor database 1 from the height database 1, and projects it onto the screen through the projector body;

[0079] B4: The user leaves, and the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned off.

[0080] Working principle: Infrared sensor 1 can detect obstacles, so that the height range of elevator users can be measured through the highest infrared sensor 1 that is blocked. By setting up fan-shaped infrared sensors 1, the detection range of the sensor module can cover every corner of the elevator, thereby improving the accuracy of detection. Infrared sensor 1 transmits position signal 3 to positioning processor 2 to start the drive mechanism to drive the projector body to move, and the start-stop signal 4 controls the start of the projector body. The movement of the projector body can drive the projected image to move, thereby making it convenient for people in the elevator to watch the projection of the projector body at the most suitable angle, which can improve the publicity effect of the projection equipment. At the same time, the infrared sensor 1 can output the corresponding height signal 9 to the intelligent push module according to the height of the elevator user. The intelligent push module can push the corresponding content according to the user's height, making the push of the projection equipment more effective. After the person on the first floor enters the elevator, he inputs the control panel in the elevator. When the elevator reaches the target floor, the input terminal 1 5 can output the corresponding rising signal 7 of the floor, so that the intelligent push module can push the corresponding content according to the floor where it is located, and can push the relevant content to the target groups on different floors, that is, different living environments or working environments, so that the push of the projection device is more effective. Similarly, when the person on the first floor enters the elevator, a downward command is input on the operation panel outside the elevator. After the elevator moves to the user's floor, the input terminal 2 6 is connected to the intelligent push module via Bluetooth. Since the effective range of the Bluetooth module connection is 1-2M, the intelligent push module can only be connected to the input terminal 2 6 of the user's floor. The input terminal 2 6 can output the corresponding descending signal 8 of the floor, so that the intelligent push module can push the corresponding content according to the floor where it is located, and can push the relevant content to the target groups on different floors, that is, different living environments or working environments, so that the push of the projection device is more effective.

[0081] Managers can connect to the content entry module through the Bluetooth function of their smartphones, making it easier to change the projection content of the projector body.

[0082] The intelligent push module can first filter out the height database one from the total database one through the height signal 9, and then filter out the data in the floor database one from the height database one through the rising signal 7 and the falling signal 8, and then push the relevant content, so that the user's height is used as the first filtering factor, and the living environment or working environment is used as the second filtering condition.

[0083] Embodiment 2: An intelligent projection device comprises a projector body, a screen, an input terminal 1 5, a plurality of input terminals 2 6 and a mounting seat, wherein the projector body is vertically slidably connected to the mounting seat via a driving mechanism, the driving mechanism comprises a motor and a lead screw assembly, the lead screw assembly is a prior art and is not described in detail herein, the projector body is mounted on the lead screw assembly via screws, the motor is used to drive the lead screw of the lead screw assembly to rotate, a positioning processor 2 is provided on the mounting seat, a plurality of sensor modules uniformly arrayed in the vertical direction are provided on the mounting seat, the sensor module comprises a plurality of infrared sensors 1 located in the same horizontal plane and distributed in a fan shape, the infrared sensor 1 is communicatively connected with the positioning processor 2 and the projector body, the infrared sensor 1 transmits a position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, the infrared sensor 1 transmits a start / stop signal 4 to the projector body for starting the projector body to project onto the screen or shutting down the projector body, the projector body is provided with a content entry module, and the content entry module can be communicatively connected with a smart phone via a Bluetooth module.

[0084] The input terminal 5 is located on the operation panel inside the elevator. The input terminal 5 outputs a number of rising signals 7, and the number of rising signals 7 correspond to each floor except the first floor. An intelligent push module connected to the input terminal 5 for communication is provided in the projector body. The input terminal 5 is used to transmit the rising signal 7 to the intelligent push module. The intelligent push module drives the projector body to project the corresponding content according to the rising signal 7.

[0085] Several input terminals 26 are respectively located on the elevator external operation panel of each floor except the first floor. The input terminal 26 outputs the descending signal 8 corresponding to its floor. The intelligent push module includes a Bluetooth module. The input terminal 26 and the Bluetooth module are communicated and connected, and the effective range of the connection between the input terminal 26 and the Bluetooth module is 1-1.5M. When the input terminal 26 and the intelligent push module are connected, the input terminal 26 transmits the descending signal 8 to the intelligent push module, and the intelligent push module drives the projector body to project the corresponding content according to the descending signal 8.

[0086] The infrared sensor 1 is connected to the intelligent push module for communication. The infrared sensor 1 outputs a height signal 9 corresponding to its height. The intelligent push module drives the projector body to project corresponding content according to the height signal 9 .

[0087] The intelligent push module also includes a total database 2, which includes several floor databases 2, and the floor databases 2 include several height databases 2. The intelligent push module first retrieves the corresponding floor database 2 content from the total database 2 through an ascending signal 7 or a descending signal 8, and then retrieves the corresponding height database 2 content through a height signal 9 for projection.

[0088] When the user goes upstairs, the usage is as follows Figure 3 As shown, the following steps are included:

[0089] C1: The user enters the elevator, the infrared sensor 1 scans and measures the user's height, and transmits the corresponding height signal 9 to the intelligent push module;

[0090] At the same time, the infrared sensor 1 transmits the position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the height of the user;

[0091] At the same time, the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned on;

[0092] C2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 5 transmits the corresponding rising signal 7 to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2;

[0093] C3: According to the height signal 9 in step C1, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body;

[0094] C4: The user leaves, and the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned off.

[0095] When the user goes downstairs, Figure 4 As shown, the following steps are included:

[0096] D1: The elevator reaches the corresponding floor, the input terminal 2 6 of the corresponding floor is connected to the Bluetooth module for communication, a descending signal 8 is generated, and the corresponding descending signal 8 is transmitted to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2;

[0097] D2: The user enters the elevator, the infrared sensor 1 scans and measures the user's height, and transmits the corresponding height signal 9 to the intelligent push module;

[0098] At the same time, the infrared sensor 1 transmits the position signal 3 to the positioning processor 2 for starting the driving mechanism to drive the projector body to move, and adjust the projection position of the projector body according to the height of the user;

[0099] At the same time, infrared sensor 1 transmits a signal to the projector body, and the projector body turns on;

[0100] D3: According to the height signal 9 in step D2, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body;

[0101] D4: The user leaves, and the infrared sensor 1 transmits the start / stop signal 4 to the projector body, and the projector body is turned off.

[0102] Working principle: Different from Example 1, the intelligent push module can first filter out the floor database 2 from the total database 2 through the rising signal 7 and the falling signal 8, and then filter out the data in the height database 2 from the floor database 2 through the height signal 9, and then push the relevant content, so that the user's living environment or working environment is used as the first filtering factor, and his height is the second filtering condition.

[0103] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A smart projection device, Features: The projector comprises a projector body, a screen and a mounting seat, wherein the projector body is slidably connected to the mounting seat in a vertical direction via a driving mechanism, the mounting seat is provided with a positioning processor (2), and the mounting seat is provided with a plurality of sensor modules arranged in an array evenly in the vertical direction, the sensor modules comprising a plurality of infrared sensors (1) located in the same horizontal plane and distributed in a fan shape; The infrared sensor (1) is communicatively connected to the positioning processor (2) and the projector body; The infrared sensor (1) transmits a position signal (3) to the positioning processor (2) for activating a driving mechanism to drive the projector body to move; The infrared sensor (1) transmits a start / stop signal (4) to the projector body for starting the projector body to project onto the screen or shutting down the projector body; It also includes an input terminal 1 (5), the input terminal 1 (5) is located on the operation panel in the elevator, the input terminal 1 (5) outputs a plurality of rising signals (7), the plurality of rising signals (7) respectively correspond to each floor except the first floor, and the projector body is provided with an intelligent push module which is in communication with the input terminal 1 (5); The input terminal 1 (5) is used to transmit the rising signal (7) to the intelligent push module; The intelligent push module drives the projector body to project corresponding content according to the rising signal (7); The device further comprises a plurality of input terminals 2 (6), wherein the plurality of input terminals 2 (6) are respectively located on the elevator external operation panel of each floor except the first floor, wherein the input terminals 2 (6) output a descending signal (8) corresponding to the floor, and the intelligent push module comprises a Bluetooth module, wherein the input terminals 2 (6) are communicatively connected to the Bluetooth module, and the effective range of the connection between the input terminals 2 (6) and the Bluetooth module is 1-2M; When the input terminal 2 (6) is connected to the intelligent push module, the input terminal 2 (6) transmits the down signal (8) to the intelligent push module; The intelligent push module drives the projector body to project corresponding content according to the descending signal (8); The infrared sensor (1) is in communication connection with the intelligent push module, the infrared sensor (1) outputs a height signal (9) corresponding to its height, and the intelligent push module drives the projector body to project corresponding content according to the height signal (9); The intelligent push module also includes a total database 1, the total database 1 includes a plurality of height databases 1, the height database 1 includes a plurality of floor databases 1, the intelligent push module first retrieves the content of the corresponding height database 1 from the total database 1 through the height signal (9), and then retrieves the content of the corresponding floor database 1 through the rising signal (7) or the falling signal (8) for projection; The intelligent push module also includes a total database 2, the total database 2 includes a plurality of floor databases 2, the floor databases 2 include a plurality of height databases 2, the intelligent push module first retrieves the corresponding floor database 2 content from the total database 2 through an ascending signal (7) or a descending signal (8), and then retrieves the corresponding height database 2 content through a height signal (9) for projection.

2. The intelligent projection device according to claim 1, Features: The projector body is provided with a content input module, and the content input module can be connected to a smart phone through a Bluetooth module.

3. A method for using a smart projection device, applied to the smart projection device of claim 1, Features: When the user goes upstairs, the following steps are included: A1: When a user enters the elevator, the infrared sensor (1) scans and measures the user's height, and transmits the corresponding height signal (9) to the intelligent push module, which retrieves the corresponding height database 1 content from the general database 1; At the same time, the infrared sensor (1) transmits a position signal (3) to the positioning processor (2) for starting a driving mechanism to drive the projector body to move, and adjusts the projection position of the projector body according to the height of the user; At the same time, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body is turned on; A2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 (5) transmits the corresponding rising signal (7) to the intelligent push module. The intelligent push module retrieves the corresponding content of the floor database 1 from the height database 1 and projects it onto the screen through the projector body; A3: When the user leaves, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body shuts down; When the user goes downstairs, the following steps are included: B1: The elevator reaches the corresponding floor, the second input terminal (6) of the corresponding floor is connected to the Bluetooth module for communication, a descending signal (8) is generated, and the corresponding descending signal (8) is transmitted to the intelligent push module; B2: The user enters the elevator, the infrared sensor (1) scans and measures the user's height, and transmits the corresponding height signal (9) to the intelligent push module, and the intelligent push module retrieves the corresponding height database 1 content from the total database 1; At the same time, the infrared sensor (1) transmits a position signal (3) to the positioning processor (2) for starting a driving mechanism to drive the projector body to move, and adjusts the projection position of the projector body according to the height of the user; At the same time, the infrared sensor (1) transmits a signal to the projector body, and the projector body turns on; B3: According to the descending signal (8) in step B1, the intelligent push module retrieves the corresponding content of the floor database 1 from the height database 1, and projects it onto the screen through the projector body; B4: When the user leaves, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body shuts down.

4. A method for using a smart projection device, applied to the smart projection device of claim 1, Features: When the user goes upstairs, the following steps are included: C1: The user enters the elevator, the infrared sensor (1) scans and measures the user's height, and transmits the corresponding height signal (9) to the intelligent push module; At the same time, the infrared sensor (1) transmits a position signal (3) to the positioning processor (2) for starting a driving mechanism to drive the projector body to move, and adjusts the projection position of the projector body according to the height of the user; At the same time, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body is turned on; C2: The user inputs the floor he wants to go to on the operation panel in the elevator, and the input terminal 1 (5) transmits the corresponding rising signal (7) to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2; C3: According to the height signal (9) in step C1, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body; C4: The user leaves, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body is turned off; When the user goes downstairs, the following steps are included: D1: The elevator reaches the corresponding floor, the input terminal 2 (6) of the corresponding floor is connected to the Bluetooth module for communication, and a descending signal (8) is generated. The corresponding descending signal (8) is transmitted to the intelligent push module, and the intelligent push module retrieves the corresponding floor database 2 content from the total database 2; D2: The user enters the elevator, the infrared sensor (1) scans and measures the user's height, and transmits the corresponding height signal (9) to the intelligent push module; At the same time, the infrared sensor (1) transmits a position signal (3) to the positioning processor (2) for starting a driving mechanism to drive the projector body to move, and adjusts the projection position of the projector body according to the height of the user; At the same time, the infrared sensor (1) transmits a signal to the projector body, and the projector body turns on; D3: According to the height signal (9) in step D2, the intelligent push module retrieves the corresponding height database 2 content from the floor database 2, and projects it onto the screen through the projector body; D4: The user leaves, the infrared sensor (1) transmits a start / stop signal (4) to the projector body, and the projector body shuts down.

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