Real estate sand table display system and control method thereof

Abstract

The invention discloses a real estate sand table display system and a control method thereof. The system comprises a display platform, a sand table body, a day and night simulation component for simulating a daytime scene or a nighttime scene, and a height adjustment component for controlling the height of the real estate sand table from the ground. The bottom surface of the sand table body is connected to the top surface of the display platform through the height adjustment component. The top of the sand table body comprises a real estate model. The day and night simulation component is connected to the top of the sand table body. When simulating a daytime scene, the day and night simulation component is set without covering the real estate model. When simulating a nighttime scene, the day and night simulation component is set with covering the real estate model. The invention has the effect of being convenient for displaying to multiple customers.

Description

Technical Field

[0001] The present invention relates to the field of real estate sand tables, and in particular to a real estate sand table display system and a control method thereof. Background Art

[0002] A property sand table refers to an architectural model of a building and its surrounding environment. The sand table is designed to allow customers to clearly observe the location and environmental information of the property.

[0003] In the related art, a building sand table includes a sand table body, the bottom surface of which is mounted on the top surface of a display stand, and the sand table body is provided with a lamp body for illuminating the building in the sand table body or the environment around the building.

[0004] With respect to the above-mentioned related technologies, the inventor believes that when multiple customers observe a real estate sand table, different customers have different requirements for the display of the real estate sand table. The above-mentioned real estate sand table is difficult to meet the display requirements of multiple customers, resulting in the defect of being inconvenient to display to multiple customers. Summary of the invention

[0005] In order to facilitate display to multiple customers, the present application discloses a real estate sand table display system and a control method thereof.

[0006] In the first aspect, the present application discloses a real estate sand table display system, which adopts the following technical solutions:

[0007] A real estate sand table display system comprises a display platform, a sand table body, a day and night simulation component for simulating daytime scenes or nighttime scenes, and a height adjustment component for controlling the height of the real estate sand table from the ground. The bottom surface of the sand table body is connected to the top surface of the display platform through the height adjustment component. The top of the sand table body comprises a real estate model. The day and night simulation component is connected to the top of the sand table body. When simulating a daytime scene, the day and night simulation component is set without covering the real estate model. When simulating a nighttime scene, the day and night simulation component is set with covering the real estate model.

[0008] By adopting the above technical scheme, when displaying to customers one by one, the height adjustment component is controlled according to the height of each customer to adjust the height of the sand table body from the ground; when displaying to all customers at the same time, the height of the sand table body is controlled by the height adjustment component according to the average height of all customers, thereby facilitating observation by customers of different heights; according to the requirements of customers, the day and night simulation component can be controlled to display the daytime scene or the night scene of the real estate sand table, thereby easily meeting the different requirements of customers and facilitating display to multiple customers.

[0009] Optionally, the day and night simulation component includes two first driving members and two opposite light-shielding translucent covers, the two light-shielding translucent covers are slidably connected to the top of the sandbox body, the first driving member is connected to the top of the sandbox body, and the two first driving members are respectively connected to the two light-shielding translucent covers, and are used to drive the two light-shielding translucent covers to move closer to or farther away from each other, when the two light-shielding translucent covers move away from each other, the building model is located between the two light-shielding translucent covers, and when the two light-shielding translucent covers move closer to and abut against each other, the building model is located in the cover formed by the two light-shielding translucent covers;

[0010] Two opposite dimmable LED lamp bodies are arranged in the light-shielding translucent cover body, and the dimmable LED lamp bodies are close to the inner top surface of the light-shielding translucent cover body and face the building model.

[0011] By adopting the above technical solution, when it is necessary to simulate the daytime scene, the two first driving members are controlled so that the two light-shielding translucent covers are moved away from each other, and the color temperature and brightness of the dimmable LED lamp body are adjusted so that the building model receives more light, thereby achieving the effect of showing the daytime situation of the building; when it is necessary to simulate the night scene, the two first driving members are controlled so that the two light-shielding translucent covers are moved close to and abutted against each other, and the color temperature and brightness of the dimmable LED lamp body are adjusted so that the building model receives less light, thereby achieving the effect of showing the night situation of the building; thus, it is easy to meet the requirements of different customers, thereby facilitating display to multiple customers.

[0012] Optionally, the height adjustment assembly includes a second driving member and a guide rod, the second driving member is embedded in the top surface of the display stand, the top of the second driving member is connected to the bottom surface of the sand table body, and is used to lift the sand table body, the guide rod is vertically arranged and its top end is connected to the bottom surface of the sand table body, the guide rod is inserted into the top surface of the display stand and is slidably connected to the display stand.

[0013] By adopting the above technical solution, the second driving member is controlled according to the height of different customers or the average height of all customers, and the distance between the sand table body and the display stand is adjusted, thereby adjusting the distance of the sand table body from the ground, which makes it easy to meet the requirements of each customer and facilitate display for multiple customers.

[0014] Optionally, the sides of the display stand are connected to touch screens, one of the sides of the display stand is also connected to a server, the touch screen is electrically connected to the server, the server stores a program for opening the three-dimensional graphic file of the building model, and the touch screen is used to display the three-dimensional graphics of the building model at an adjustable angle.

[0015] By adopting the above technical solution, the setting of the touch screen and the server enables the four touch screens to independently display the three-dimensional graphics of the building model to facilitate observation by different customers.

[0016] Optionally, one of the side surfaces of the display stand is further connected to a support frame, the top of the support frame is located above the sandbox body, the top of the support frame is connected to a first camera, and the first camera is located just above the middle of the sandbox body; the top of the touch screen is connected to a second camera;

[0017] The first camera and the second camera are both electrically connected to the server, the first camera is used to photograph the sand table body, and the second camera is used to photograph the customers. The server is used to receive the sand table body image information from the first camera and the customer image information from the second camera. The server is used to control the second driving member according to the customer image information, and is also used to control the dimmable LED lamp body according to the sand table body image information.

[0018] By adopting the above technical solution, through the cooperation of the first camera, the second camera and the server, the server can control the second driving member according to the customer image information, so that the height of the sand table body can be adapted to the heights of multiple customers. The server can also control the dimmable LED lamp body according to the image information of the sand table body, so as to balance the light conditions of the sand table body, and the same effect can be displayed at all angles, thereby facilitating the simultaneous display to multiple customers.

[0019] In the second aspect, the present application discloses a control method for a real estate sand table display system, which adopts the following technical solution:

[0020] Display the three-dimensional graphics of the preset real estate model through the touch screen;

[0021] Obtaining operation instructions from an administrator; the operation instructions include simulation instructions and lifting instructions;

[0022] After the delay, determine whether the operation instruction is successfully obtained; if so, when the operation instruction indicates a simulation instruction, control the first driving element and the dimmable LED lamp body according to the simulation instruction; when the operation instruction indicates a lifting instruction, control the second driving element according to the lifting instruction;

[0023] If not, then obtaining image information from the first camera; the image information includes the image of the sand table body and the image of the customer;

[0024] Generate a first control instruction according to the image of the sand table body; the first control instruction is used to drive the two light-shielding translucent covers to move away from each other, and drive the corresponding dimmable LED lamp body to provide supplementary light to the sand table body;

[0025] A second control instruction is generated according to the customer image; the second control instruction is used to drive the second driving member to adjust the height of the sand table body.

[0026] By adopting the above technical scheme, the setting of the operation instructions is conducive to better adjusting the height of the sand table body and the display scene of the building model. Moreover, when no operation instructions are obtained, the corresponding dimmable LED lamp body can be driven to fill the sand table body with light or the second drive component can be driven to adjust the height of the sand table body according to the first control instruction or the second control instruction, thereby improving the degree of intelligence, easily meeting the requirements of each customer, and thus facilitating display to multiple customers.

[0027] Optionally, generating a first control instruction according to the sandbox body image includes:

[0028] Identify the brightness value of each pixel of the sand table image to obtain the brightness value of each pixel;

[0029] Calculate the average brightness value of all pixels in the sandbox image;

[0030] Taking the center of the sand table main body image as the origin, a plane coordinate system is constructed, and the sand table main body image is divided into four areas; the four areas correspond to four dimmable LED lamp bodies respectively;

[0031] Calculate the number of pixels in each area whose brightness value is lower than the average brightness value to obtain the number of low-brightness pixels in each area;

[0032] A first control instruction is generated based on the area with the largest number of low-brightness pixels; the first control instruction indicates adjusting the adjustable LED lamp body corresponding to the area with the largest number of low-brightness pixels so that the difference in the number of low-brightness pixels between two adjacent areas is less than or equal to a preset value.

[0033] By adopting the above technical solution, it is helpful to more accurately adjust the light balance, thereby optimizing the display effect of the building model.

[0034] Optionally, generating a second control instruction according to the customer image includes:

[0035] Measure the height of the customer in the customer image to obtain the height of the customer in the customer image;

[0036] Calculate the average height of all customers;

[0037] A second control instruction is generated according to the average height of the customers.

[0038] By adopting the above technical solution, the average height of the characters is calculated after the heights are measured, and then the second control instruction for adjusting the second driving member is generated according to the average height, so that the height of the sand table body can be adapted to the heights of all customers present, thereby easily meeting the requirements of each customer and facilitating display to multiple customers.

[0039] Optionally, the three-dimensional graphics of the preset building model are displayed through the touch screen, and then the method further includes:

[0040] Acquire sales information of a building; the sales information includes the sales status of each building; the sales status includes unsold status and sold status;

[0041] According to the sales information of the real estate, a sold mark is generated for each house in the sold state;

[0042] A sold mark is added to the corresponding building in the three-dimensional graphics of the real estate model to indicate that the corresponding building has been sold.

[0043] By adopting the above technical solution, the setting of the sold mark is helpful to remind customers of the sales status of the building, so that customers can observe the unsold buildings.

[0044] Optionally, if yes, then when the operation instruction indicates a simulation instruction, the first driving member and the dimmable LED lamp body are controlled according to the simulation instruction; when the operation instruction indicates a lifting instruction, the second driving member is controlled according to the lifting instruction, including:

[0045] When the operation instruction indicates a simulation instruction, if the simulation instruction is to simulate a daytime scene, the first driving element is controlled to move the two light-shielding translucent covers away from each other, the color temperature of all dimmable LED lamp bodies is adjusted to 6500K, and the light intensity of all dimmable LED lamp bodies is increased so that the illumination at the building model is greater than or equal to 750lux;

[0046] If the simulation instruction is to simulate a dark night scene, the first driving element is controlled so that the two light-shielding translucent covers are close to and abut against each other, the color temperature of all dimmable LED lamp bodies is adjusted to 2500K, and the light intensity of all dimmable LED lamp bodies is reduced so that the illumination at the building model is less than or equal to 30lux;

[0047] The lifting instruction includes a lifting parameter or a lowering parameter of the sandbox body; when the operation instruction indicates a lifting instruction, the second driving member is controlled accordingly according to the lifting parameter or the lowering parameter.

[0048] By adopting the above technical solution, it is helpful to optimize the display effects of daytime scenes and nighttime scenes, and it is also convenient to adjust the height of the sand table body to meet the requirements of customers.

[0049] In summary, the present application includes at least one of the following beneficial technical effects:

[0050] 1. When displaying to customers one by one, the height adjustment component is controlled to adjust the height of the sand table body from the ground according to the height of each customer. When displaying to all customers at the same time, the height of the sand table body is controlled by the height adjustment component according to the average height of all customers, so as to facilitate observation by customers of different heights; according to the requirements of customers, the day and night simulation component can be controlled to display the daytime scene or night scene of the real estate sand table, so as to easily meet the different requirements of customers and facilitate display to multiple customers.

[0051] 2. When it is necessary to simulate the daytime scene, the two first driving members are controlled so that the two light-shielding translucent covers move away from each other, and the color temperature and brightness of the dimmable LED lamp body are adjusted so that the building model receives more light, thereby achieving the effect of showing the daytime situation of the building; when it is necessary to simulate the night scene, the two first driving members are controlled so that the two light-shielding translucent covers move closer to and abut against each other, and the color temperature and brightness of the dimmable LED lamp body are adjusted so that the building model receives less light, thereby achieving the effect of showing the night situation of the building; thus, it is easy to meet the requirements of different customers, thereby facilitating display to multiple customers.

[0052] 3. The setting of the operation instruction is conducive to better adjusting the height of the sand table body and the display scene of the building model. Moreover, when no operation instruction is obtained, the corresponding dimmable LED lamp body can be driven to fill the light of the sand table body or the second driving member can be driven to adjust the height of the sand table body according to the first control instruction or the second control instruction, thereby improving the degree of intelligence, easily meeting the requirements of each customer, and facilitating display to multiple customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 It is a schematic diagram of the overall structure of a real estate sand table display system in an embodiment of the present application.

[0054] Figure 2 It is a cross-sectional view of a real estate sand table display system in an embodiment of the present application.

[0055] Figure 3 It is a method flow chart of a control method of a real estate sand table display system in an embodiment of the present application.

[0056] Description of reference numerals:

[0057] 1. Display stand; 2. Sand table body; 3. Day and night simulation component; 31. Shading translucent cover; 32. First electric cylinder; 4. Height adjustment component; 41. Guide rod; 42. Second electric cylinder; 5. Building model; 6. Installation slot; 7. Touch screen; 8. Server; 9. Second camera; 10. Dimmable LED lamp body; 11. Support frame; 12. First camera. DETAILED DESCRIPTION

[0058] The following is combined with Figure 1-3 This application is described in further detail.

[0059] Reference Figure 1 and Figure 2 , the present application discloses a real estate sand table display system.

[0060] A real estate sand table display system includes a display stand 1, a sand table body 2, a day and night simulation component 3, and a height adjustment component 4. The height adjustment component 4 is connected to the top surface of the display stand 1, and the bottom surface of the sand table body 2 is connected to the top of the height adjustment component 4. The height adjustment component 4 is used to control the height of the real estate sand table from the ground. The top of the sand table body 2 includes a real estate model 5, and the day and night simulation component 3 is connected to the top of the sand table body 2, and is used to simulate a daytime scene or a nighttime scene for the real estate model 5. When simulating a daytime scene, the day and night simulation component 3 is set without covering the real estate model 5, and when simulating a nighttime scene, the day and night simulation component 3 is set with covering the real estate model 5.

[0061] The height adjustment assembly 4 includes a second driving member and a guide rod 41. The second driving member is a second electric cylinder 42. A mounting groove 6 is provided in the middle of the top surface of the display stand 1. The bottom of the second electric cylinder 42 is fixed to the bottom of the mounting groove 6. The piston rod of the second electric cylinder 42 is arranged to extend out of the notch of the mounting groove 6 and is fixedly connected to the bottom surface of the sand table body 2 for lifting the sand table body 2. There are four guide rods 41. The guide rods 41 are arranged vertically and their top ends are fixed to the bottom surface of the sand table body 2. The four guide rods 41 are arranged in a matrix and are respectively close to the four corners of the sand table body 2. The guide rods 41 are inserted into the top surface of the display stand 1 and are slidably connected to the display stand 1.

[0062] The sides of the display stand 1 are connected to a touch screen 7 through a connecting rod, and the touch screen 7 is close to the top surface of the display stand 1. A server 8 is fixed to one of the sides of the display stand 1, and the touch screen 7 is electrically connected to the server 8. The server 8 stores a program for opening a three-dimensional graphic file of the building model 5, so that the touch screen 7 can display the three-dimensional graphic of the building model 5 and provide customers with angle adjustment for observation.

[0063] In order to further improve the intelligence level, a second camera 9 is fixed on the top of the touch screen 7. The second camera 9 is a Kinect-based camera and is electrically connected to the server 8. The second camera 9 is used to photograph the customer, and the server 8 is used to receive the customer image information from the second camera 9. The server 8 is used to control the second electric cylinder 42 according to the customer image information.

[0064] The day and night simulation component 3 includes two first driving members and two opposite light-shielding translucent covers 31. The first driving member is a first electric cylinder 32. The light-shielding translucent covers 31 are made of acrylic organic glass plates and are of dark semi-transparent type. The specific colors can be, but are not limited to, dark tea semi-transparent, dark black semi-transparent, and light black gray semi-transparent. The two light-shielding translucent covers 31 are oppositely opened and are both slidably connected to the top of the sand table body 2. The first electric cylinder 32 is horizontally arranged and fixed to the top of the sand table body 2. When the two light-shielding translucent covers 31 are away from each other, the building model 5 is located between the two light-shielding translucent covers 31, and the two light-shielding translucent covers 31 are located between the two first electric cylinders 32. The piston rods of the two first electric cylinders 32 are arranged oppositely, and the piston rods of the first electric cylinders 32 are fixedly connected to the corresponding light-shielding translucent covers 31, so that the two first electric cylinders 32 are used to drive the two light-shielding translucent covers 31 to approach or move away from each other. When the two light-shielding translucent covers 31 are close to and abut against each other, the cover formed by the two light-shielding translucent covers 31 is arranged to cover the building model 5 .

[0065] Dimmable LED lamp bodies 10 are fixed near the top corners in the light-shielding translucent cover 31, and the four dimmable LED lamp bodies 10 are all facing the building model 5. When it is necessary to simulate the daytime scene, the two first electric cylinders 32 are controlled so that the two light-shielding translucent covers 31 are separated from each other, the building model 5 is located outside the light-shielding translucent cover 31, and the color temperature and brightness of the dimmable LED lamp body 10 are adjusted so that the color temperature is higher and the building model 5 receives more light, so as to achieve the effect of showing the daytime situation of the building; when it is necessary to simulate the night scene, the two first electric cylinders 32 are controlled so that the two light-shielding translucent covers 31 are close to each other and abut against each other, the building model 5 is located inside the light-shielding translucent cover 31, and the color temperature and brightness of the dimmable LED lamp body 10 are adjusted so that the color temperature is lower and the building model 5 receives less light, so as to achieve the effect of showing the night situation of the building.

[0066] In order to automatically balance the light exposure of the building model 5, a support frame 11 is fixed on one side of the display stand 1, the top of the support frame 11 is located above the sand table body 2, and a first camera 12 is fixed on the top of the support frame 11, the first camera 12 is located just above the middle of the sand table body 2 and faces the building model 5. The first camera 12 is electrically connected to the server 8, the first camera 12 is used to shoot the sand table body 2 and the building model 5, the server 8 is used to receive the image information of the sand table body 2 from the first camera 12, the image information of the sand table body 2 includes the image of the building model 5, and the server 8 is used to control the dimmable LED lamp body 10 according to the image information of the sand table body 2, so that the building model 5 is evenly exposed to light.

[0067] To summarize, when displaying to customers one by one, the administrator can control the first electric cylinder 32 to adjust the height of the sand table body 2 from the ground according to the height of each customer. When displaying to all customers at the same time, the height of the sand table body 2 can be controlled by the first electric cylinder 32 according to the average height of all customers, thereby facilitating observation by customers of different heights. The day and night simulation component 3 can be controlled according to the customer's requirements to display the daytime scene or the night scene of the real estate sand table, and the light conditions of the real estate model 5 can be automatically balanced, thereby easily meeting the different requirements of customers, thereby facilitating display to multiple customers.

[0068] Reference Figure 3 The embodiment of the present application also discloses a control method for a real estate sand table display system.

[0069] A control method for a real estate sand table display system, comprising:

[0070] S100, displaying a three-dimensional graphic of a preset building model through a touch screen.

[0071] The three-dimensional graphics of the preset real estate model refer to the three-dimensional graphics established in the three-dimensional composition software based on the real estate model entity.

[0072] Specifically, the server runs four 3D composition software and opens the preset 3D graphics of the building model, and displays them through four touch screens. The 3D composition software can be but is not limited to: Blender software, 3dsMax software, Maya software, Houdin software and Cinema software.

[0073] In order to help customers understand the sales status of the building, after S1, it also includes:

[0074] S101, obtaining sales information of a real estate project.

[0075] The sales information includes the sales status of each building, and the sales status includes unsold status and sold status.

[0076] Specifically, the server is connected to the sales system of the real estate company through the Internet, and then obtains the sales information of the corresponding real estate, and keeps the acquisition status to facilitate real-time updating of the sales information.

[0077] S102, generating a sold mark for each building in a sold state according to the sales information of the building complex.

[0078] Specifically, the sold buildings in the real estate sales information are read and a sold mark is generated accordingly. The sold mark can be expressed in, but not limited to, color. For example, a red sold mark means that the appearance color of the corresponding buildings in the three-dimensional graph is all set to red.

[0079] S103, adding a sold mark to the corresponding building in the three-dimensional graphics of the building model.

[0080] Specifically, the location of the corresponding sold building is obtained from the sales information of the real estate project, and a sold mark is added to the corresponding location to indicate that the corresponding building has been sold.

[0081] S200: Obtain an operation instruction from an administrator.

[0082] Operation instructions include simulation instructions and lifting instructions.

[0083] Specifically, the administrator sends the operation instruction to the server through a PC or a mobile terminal, so that the server can obtain the operation instruction.

[0084] S300, after a delay, determining whether the operation instruction is successfully obtained.

[0085] Specifically, the delay time can be but is not limited to: 2s, 4s, 6s and 8s.

[0086] S400, if yes, then when the operation instruction indicates a simulation instruction, the first driving element and the dimmable LED lamp body are controlled according to the simulation instruction; when the operation instruction indicates a lifting instruction, the second driving element is controlled according to the lifting instruction.

[0087] Specifically, when the operation instruction represents a simulation instruction, if the simulation instruction is to simulate a daytime scene, the first driving component is controlled to make the two light-shielding translucent covers move away from each other, adjust the color temperature of all dimmable LED lamp bodies to 6500K, and increase the light intensity of all dimmable LED lamp bodies so that the illumination at the building model is greater than or equal to 750lux.

[0088] If the simulation instruction is to simulate a dark night scene, the first driving component is controlled so that the two light-shielding translucent covers are close to and abut against each other, the color temperature of all dimmable LED lamps is adjusted to 2500K, and the light intensity of all dimmable LED lamps is reduced so that the illumination at the building model is less than or equal to 30lux.

[0089] The lifting instruction includes a lifting parameter or a lowering parameter of the sandbox body; when the operation instruction indicates a lifting instruction, the second driving member is controlled accordingly according to the lifting parameter or the lowering parameter.

[0090] It should be noted that a light meter is provided in the building model, and the light meter is electrically connected to the server for transmitting the light information at the building model to the server.

[0091] S500: If not, obtain image information from the first camera.

[0092] The image information includes the sandbox body image and the customer image.

[0093] Specifically, if the operation instruction is not successfully obtained after the delay, the image information of the first camera is obtained, that is, the first camera sends the sandbox body image and the customer image to the server.

[0094] S600, generating a first control instruction according to the sandbox main body image.

[0095] The first control instruction is used to drive the two light-shielding translucent covers to move away from each other, and drive the corresponding dimmable LED lamps to provide supplementary light to the sand table body.

[0096] Specifically, the brightness value of each pixel point of the sand table main body image is identified to obtain the brightness value of each pixel point; the average brightness value of all the pixel points of the sand table main body image is calculated; a plane coordinate system is constructed with the center of the sand table main body image as the origin, and the sand table main body image is divided into four areas; the four areas correspond to four dimmable LED lamp bodies respectively; the number of pixels in each area whose brightness value is lower than the average brightness value is calculated to obtain the number of low-brightness pixels in each area; a first control instruction is generated according to the area with the largest number of low-brightness pixels; the first control instruction indicates adjusting the adjustable LED lamp body corresponding to the area with the largest number of low-brightness pixels, so that the difference in the number of low-brightness pixels between two adjacent areas is less than or equal to a preset value.

[0097] The preset value may be, but is not limited to, 5. Generating the first control instruction according to the area with the largest number of low-brightness pixels means that: taking the difference in the number of low-brightness pixels between two adjacent areas to be less than or equal to the preset value as the target, first adjust the adjustable LED lamp body corresponding to the area with the largest number of low-brightness pixels. If the difference in the number of low-brightness pixels between the two adjacent areas after adjustment does not meet the requirement, continue to adjust the adjustable LED lamp body corresponding to the area with the largest number of low-brightness pixels at this time until the target is reached.

[0098] S700: Generate a second control instruction according to the customer image.

[0099] The second control instruction is used to drive the second driving member to adjust the height of the sandbox body.

[0100] Specifically, the height of the customer in the customer image is measured to obtain the height of the customer in the customer image; the average height of all customers is calculated; and the second control instruction is generated according to the average height of the customers.

[0101] Wherein, the second camera is a Kinect-based camera, and the person height measurement refers to a Kinect-based height measurement method, including: using the Kinect field of view and combining triangle geometry operations to roughly measure the height of the person or using the relevant coordinates of 20 joint points provided by Kinect skeleton tracking, and then measuring the height of the human body according to a certain algorithm. In this embodiment, Kinect skeleton tracking is used as an example for illustration. First, the skeleton data obtained by Kinect contains the X, Y, and Z coordinate information of 20 joint points, and then the hand, wrist, elbow, shoulder, and other 9 joint points are used to calculate the arm span, and the arm span is used to approximately calculate the height. Even if the customer is not standing straight, the customer's height can be measured more accurately, thereby making the average height more accurate.

[0102] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A control method for a real estate sand table display system, characterized in that: The control method of the real estate sand table display system is implemented by the real estate sand table display system; The building sand table display system comprises a display stand (1), a sand table body (2), a day and night simulation component (3) for simulating a daytime scene or a nighttime scene, and a height adjustment component (4) for controlling the height of the building sand table from the ground; the bottom surface of the sand table body (2) is connected to the top surface of the display stand (1) via the height adjustment component (4); the top of the sand table body (2) comprises a building model (5); the day and night simulation component (3) is connected to the top of the sand table body (2); when simulating a daytime scene, the day and night simulation component (3) is set without covering the building model (5); when simulating a nighttime scene, the day and night simulation component (3) is set with covering the building model (5); The day and night simulation component (3) comprises two first driving members and two opposite light-shielding translucent covers (31), the two light-shielding translucent covers (31) are slidably connected to the top of the sand table body (2), the first driving member is connected to the top of the sand table body (2), and the two first driving members are respectively connected to the two light-shielding translucent covers (31) to drive the two light-shielding translucent covers (31) to move closer to each other or farther away from each other. When the two light-shielding translucent covers (31) move away from each other, the building model (5) is located between the two light-shielding translucent covers (31), and when the two light-shielding translucent covers (31) move closer to each other and abut against each other, the building model (5) is located in the cover formed by the two light-shielding translucent covers (31); Two opposing dimmable LED lamp bodies (10) are arranged inside the light-shielding translucent cover (31), and the dimmable LED lamp bodies (10) are close to the inner top surface of the light-shielding translucent cover (31) and face the building model (5); The height adjustment assembly (4) comprises a second driving member and a guide rod (41); The sides of the display stand (1) are all connected to a touch screen (7), and one of the sides of the display stand (1) is also connected to a server (8); A support frame (11) is also connected to one side of the display stand (1), the top of the support frame (11) is located above the sandbox body (2), the top of the support frame (11) is connected to a first camera (12), and the first camera (12) is located just above the middle of the sandbox body (2); A second camera (9) is connected to the top of the touch screen (7); The first camera (12) and the second camera (9) are both electrically connected to the server (8); the first camera (12) is used to photograph the sand table body (2); the second camera (9) is used to photograph the customer; the server (8) is used to receive image information of the sand table body (2) from the first camera (12) and image information of the customer from the second camera (9); the server (8) is used to control the second driving member according to the image information of the customer, and is also used to control the dimmable LED lamp body (10) according to the image information of the sand table body (2); The control method of the real estate sand table display system includes: Display the three-dimensional graphics of the preset real estate model through the touch screen; Obtaining operation instructions from an administrator; the operation instructions include simulation instructions and lifting instructions; the simulation instructions are simulation of daytime scenes or simulation of night scenes; After the delay, determine whether the operation instruction is successfully obtained; if so, when the operation instruction indicates a simulation instruction, control the first driving element and the dimmable LED lamp body according to the simulation instruction; when the operation instruction indicates a lifting instruction, control the second driving element according to the lifting instruction; If not, then obtaining image information from the first camera and the second camera; the image information includes the image of the sand table body and the image of the customer; Generate a first control instruction according to the image of the sand table body; the first control instruction is used to drive the two light-shielding translucent covers to move away from each other, and drive the corresponding dimmable LED lamp body to provide supplementary light to the sand table body; Generate a second control instruction according to the customer image; the second control instruction is used to drive the second driving member to adjust the height of the sand table body; The step of generating a first control instruction according to the sandbox main body image includes: Identify the brightness value of each pixel of the sand table image to obtain the brightness value of each pixel; Calculate the average brightness value of all pixels in the sandbox image; Taking the center of the sand table main body image as the origin, a plane coordinate system is constructed, and the sand table main body image is divided into four areas; the four areas correspond to four dimmable LED lamp bodies respectively; Calculate the number of pixels in each area whose brightness value is lower than the average brightness value to obtain the number of low-brightness pixels in each area; A first control instruction is generated based on the area with the largest number of low-brightness pixels; the first control instruction indicates adjusting the adjustable LED lamp body corresponding to the area with the largest number of low-brightness pixels so that the difference in the number of low-brightness pixels between two adjacent areas is less than or equal to a preset value.

2. The control method of a real estate sand table display system according to claim 1, characterized in that: The step of generating a second control instruction according to the customer image includes: Measure the height of the customer in the customer image to obtain the height of the customer in the customer image; Calculate the average height of all customers; A second control instruction is generated according to the average height of the customers.

3. The control method of a real estate sand table display system according to claim 1, characterized in that: The method further includes displaying the three-dimensional graphics of the preset building model through the touch screen: Acquire sales information of a building; the sales information includes the sales status of each building; the sales status includes unsold status and sold status; According to the sales information of the real estate, a sold mark is generated for each house in the sold state; A sold mark is added to the corresponding building in the three-dimensional graphics of the real estate model to indicate that the corresponding building has been sold.

4. The control method of a real estate sand table display system according to claim 1, characterized in that: If so, when the operation instruction indicates a simulation instruction, the first driving element and the dimmable LED lamp body are controlled according to the simulation instruction; when the operation instruction indicates a lifting instruction, the second driving element is controlled according to the lifting instruction, including: When the operation instruction indicates a simulation instruction, if the simulation instruction is to simulate a daytime scene, the first driving element is controlled to move the two light-shielding translucent covers away from each other, the color temperature of all dimmable LED lamp bodies is adjusted to 6500K, and the light intensity of all dimmable LED lamp bodies is increased so that the illumination at the building model is greater than or equal to 750lux; If the simulation instruction is to simulate a dark night scene, the first driving element is controlled so that the two light-shielding translucent covers are close to and abut against each other, the color temperature of all dimmable LED lamp bodies is adjusted to 2500K, and the light intensity of all dimmable LED lamp bodies is reduced so that the illumination at the building model is less than or equal to 30lux; The lifting instruction includes a lifting parameter or a lowering parameter of the sandbox body; when the operation instruction indicates a lifting instruction, the second driving member is controlled accordingly according to the lifting parameter or the lowering parameter.

5. A real estate sand table display system, used to implement the control method of the real estate sand table display system according to claims 1-4, characterized in that: The second driving member is embedded in the top surface of the display stand (1); the top of the second driving member is connected to the bottom surface of the sand table body (2) and is used to lift the sand table body (2); the guide rod (41) is vertically arranged and its top end is connected to the bottom surface of the sand table body (2); the guide rod (41) is inserted into the top surface of the display stand (1) and is slidably connected to the display stand (1).

6. A real estate sand table display system according to claim 5, characterized in that: The touch screen (7) is electrically connected to a server (8), the server (8) stores a program for opening a three-dimensional graphic file of the building model (5), and the touch screen (7) is used to display the three-dimensional graphic of the building model (5) at an adjustable angle.

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