A method and system for automatically compensating for weak light flux environment recognition in an elevator shaft

Abstract

The present invention discloses an automatic compensation method and system for identifying a weak light flux environment in an elevator shaft. The method comprises: obtaining information of an irradiated point in the elevator shaft and searchlight information, wherein the information of the irradiated point comprises: a distance from the irradiated point to the horizontal edge of the elevator shaft, a distance from the irradiated point to the vertical edge of the elevator shaft, a surface area of ​​an obstacle and a reflectivity of the obstacle, and the searchlight information comprises: a standard deviation of searchlight brightness distribution, a square of a propagation distance of the searchlight light in the horizontal direction and a square of a propagation distance of the searchlight light in the vertical direction; setting a searchlight irradiation intensity adjustment model, calculating the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information; and adjusting the searchlight according to the irradiation intensity so that the irradiation intensity of the searchlight at the irradiated point meets the operation requirements of elevator maintenance.

Description

Technical Field

[0001] The present invention belongs to the technical field of searchlight illumination intensity adjustment, and more specifically, relates to a method and system for automatically compensating for weak light flux environment recognition in an elevator shaft. Background Art

[0002] During the inspection and testing of elevators, especially in dim and narrow elevator shafts, inspection and testing personnel need to use tools such as intercoms, searchlights and tape measures. However, the illumination intensity of current searchlights cannot be adjusted automatically, so it is not convenient to use in elevator shafts, affecting the safety of maintenance personnel. Summary of the invention

[0003] In order to solve the above technical problems, the present invention proposes a method for automatically compensating for weak light flux environment in an elevator shaft, comprising:

[0004] Acquire information of the irradiated point in the elevator shaft and searchlight information, wherein the information of the irradiated point includes: the distance from the irradiated point to the horizontal edge of the elevator shaft, the distance from the irradiated point to the vertical edge of the elevator shaft, the surface area of ​​the obstacle and the reflectivity of the obstacle; the searchlight information includes: the standard deviation of the searchlight brightness distribution, the square of the propagation distance of the searchlight light in the horizontal direction and the square of the propagation distance of the searchlight light in the vertical direction;

[0005] Setting a searchlight irradiation intensity adjustment model to calculate the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0006] The searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of elevator maintenance.

[0007] Furthermore, the searchlight illumination intensity adjustment model includes:

[0008] ,

[0009] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0010] Further, Factors affecting the radiation intensity include:

[0011] ,

[0012] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0013] Furthermore, at the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0014] ,

[0015] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0016] Furthermore, at the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0017] ,

[0018] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0019] Furthermore, all adjustment factors are fitted by gradient descent method or ant colony algorithm.

[0020] Further, the searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance, including: when the searchlight is at the illuminated point in the elevator shaft The irradiation intensity at When the intensity is less than the preset threshold, the intensity of the searchlight is increased.

[0021] The present invention also proposes an automatic compensation system for identifying a weak light flux environment in an elevator shaft, comprising:

[0022] An information acquisition module is used to acquire information of an irradiated point in an elevator shaft and searchlight information, wherein the information of the irradiated point includes: a distance from the irradiated point to a horizontal edge of the elevator shaft, a distance from the irradiated point to a vertical edge of the elevator shaft, a surface area of ​​an obstacle, and a reflectivity of the obstacle; and the searchlight information includes: a standard deviation of searchlight brightness distribution, a square of a horizontal propagation distance of the searchlight light, and a square of a vertical propagation distance of the searchlight light;

[0023] A model setting module is used to set a searchlight irradiation intensity adjustment model, and calculate the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0024] The adjustment module is used to adjust the searchlight according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of elevator maintenance.

[0025] Furthermore, the searchlight illumination intensity adjustment model includes:

[0026] ,

[0027] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity is: is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0028] Further, Factors affecting the radiation intensity include:

[0029] ,

[0030] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0031] Furthermore, at the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0032] ,

[0033] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0034] Furthermore, at the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0035] ,

[0036] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0037] Compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

[0038] The present invention obtains information of the irradiated point in the elevator shaft and searchlight information, wherein the information of the irradiated point includes: the distance from the irradiated point to the horizontal edge of the elevator shaft, the distance from the irradiated point to the vertical edge of the elevator shaft, the surface area of ​​the obstacle and the reflectivity of the obstacle, and the searchlight information includes: the standard deviation of the searchlight brightness distribution, the square of the propagation distance of the searchlight light in the horizontal direction and the square of the propagation distance of the searchlight light in the vertical direction; a searchlight irradiation intensity adjustment model is set, and the irradiation intensity of the searchlight at the irradiated point in the elevator shaft is calculated according to the information of the irradiated point in the elevator shaft and the searchlight information; the searchlight is adjusted according to the irradiation intensity so that the irradiation intensity of the searchlight at the irradiated point meets the operation requirements of elevator maintenance. According to the above technical scheme, the present invention can automatically adjust the irradiation intensity of the light source of the searchlight when performing maintenance operations in the elevator shaft, thereby ensuring the safety of maintenance personnel and maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 is a flow chart of the method of embodiment 1 of the present invention;

[0040] Figure 2 It is a system structure diagram of embodiment 2 of the present invention. DETAILED DESCRIPTION

[0041] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0042] The method provided by the present invention can be implemented in the following terminal environment, and the terminal may include one or more of the following components: a processor, a storage medium, and a display screen. The storage medium stores at least one instruction, and the instruction is loaded and executed by the processor to implement the method described in the following embodiment.

[0043] The processor may include one or more processing cores. The processor uses various interfaces and lines to connect various parts in the entire terminal, and executes various functions of the terminal and processes data by running or executing instructions, programs, code sets or instruction sets stored in the storage medium, and calling data stored in the storage medium.

[0044] The storage medium may include a random access memory (RAM) or a read-only memory (ROM). The storage medium may be used to store instructions, programs, codes, code sets or instructions.

[0045] The display is used to show the interactive cross-section of each application.

[0046] All subscripts in the formulas of the present invention are only used to distinguish parameters and have no actual meaning.

[0047] In addition, those skilled in the art can understand that the structure of the above terminal does not constitute a limitation on the terminal, and the terminal may include more or fewer components, or combine certain components, or arrange the components differently. For example, the terminal also includes components such as a radio frequency circuit, an input unit, a sensor, an audio circuit, and a power supply, which will not be described in detail here.

[0048] Example 1

[0049] like Figure 1 As shown, an embodiment of the present invention provides a method for automatically compensating for a weak light flux environment in an elevator shaft, comprising:

[0050] Step 101, obtaining information of an irradiated point in an elevator shaft and searchlight information, wherein the information of the irradiated point includes: a distance from the irradiated point to a horizontal edge of the elevator shaft, a distance from the irradiated point to a vertical edge of the elevator shaft, a surface area of ​​an obstacle, and a reflectivity of the obstacle; the searchlight information includes: a standard deviation of searchlight brightness distribution, a square of a horizontal propagation distance of the searchlight light, and a square of a vertical propagation distance of the searchlight light;

[0051] Step 102, setting a searchlight irradiation intensity adjustment model, and calculating the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0052] Specifically, the searchlight illumination intensity adjustment model includes:

[0053] ,

[0054] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0055] Specifically, Factors affecting the radiation intensity include:

[0056] ,

[0057] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0058] Specifically, the irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0059] ,

[0060] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0061] Specifically, the irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0062] ,

[0063] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0064] Specifically, all adjustment factors are fitted by gradient descent method or ant colony algorithm.

[0065] Step 103, adjusting the searchlight according to the illumination intensity, so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance.

[0066] Specifically, the searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance, including: when the searchlight is at the illuminated point in the elevator shaft The irradiation intensity at When the intensity is less than the preset threshold, the intensity of the searchlight is increased.

[0067] Example 2

[0068] like Figure 2 As shown, the embodiment of the present invention further provides an automatic compensation system for identifying a weak light flux environment in an elevator shaft, comprising:

[0069] An information acquisition module is used to acquire information of an irradiated point in an elevator shaft and searchlight information, wherein the information of the irradiated point includes: a distance from the irradiated point to a horizontal edge of the elevator shaft, a distance from the irradiated point to a vertical edge of the elevator shaft, a surface area of ​​an obstacle, and a reflectivity of the obstacle; and the searchlight information includes: a standard deviation of searchlight brightness distribution, a square of a horizontal propagation distance of the searchlight light, and a square of a vertical propagation distance of the searchlight light;

[0070] A model setting module is used to set a searchlight irradiation intensity adjustment model, and calculate the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0071] Specifically, the searchlight illumination intensity adjustment model includes:

[0072] ,

[0073] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0074] Specifically, Factors affecting the radiation intensity include:

[0075] ,

[0076] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0077] Specifically, the irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0078] ,

[0079] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0080] Specifically, the irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0081] ,

[0082] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0083] The adjustment module is used to adjust the searchlight according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of elevator maintenance.

[0084] Example 3

[0085] The embodiment of the present invention further provides a storage medium storing a plurality of instructions, wherein the instructions are used to implement the method for automatically compensating for the weak light flux environment in the elevator shaft.

[0086] Optionally, in this embodiment, the above storage medium may be located in any computer terminal in a computer terminal group in a computer network, or in any mobile terminal in a mobile terminal group.

[0087] Optionally, in this embodiment, the storage medium is configured to store program codes for executing the following steps: Step 101, obtaining information of an irradiated point in an elevator shaft and searchlight information, wherein the information of the irradiated point includes: a distance from the irradiated point to a horizontal edge of the elevator shaft, a distance from the irradiated point to a vertical edge of the elevator shaft, a surface area of ​​an obstacle, and a reflectivity of the obstacle; the searchlight information includes: a standard deviation of searchlight brightness distribution, a square of a propagation distance of the searchlight light in a horizontal direction, and a square of a propagation distance of the searchlight light in a vertical direction;

[0088] Step 102, setting a searchlight irradiation intensity adjustment model, and calculating the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0089] Specifically, the searchlight illumination intensity adjustment model includes:

[0090] ,

[0091] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0092] Specifically, Factors affecting the radiation intensity include:

[0093] ,

[0094] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0095] Specifically, the irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0096] ,

[0097] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0098] Specifically, the irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0099] ,

[0100] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0101] Step 103, adjusting the searchlight according to the illumination intensity, so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance.

[0102] Example 4

[0103] An embodiment of the present invention also proposes an electronic device, including a processor and a storage medium connected to the processor, wherein the storage medium stores a plurality of instructions, and the instructions can be loaded and executed by the processor so that the processor can execute a method for automatically compensating for a weak light flux environment in an elevator shaft.

[0104] Specifically, the electronic device of this embodiment may be a computer terminal, and the computer terminal may include: one or more processors, and a storage medium.

[0105] Among them, the storage medium can be used to store software programs and modules, such as a method for automatically compensating for a weak light flux environment in an elevator shaft in an embodiment of the present invention, and corresponding program instructions / modules. The processor executes various functional applications and data processing by running the software programs and modules stored in the storage medium, that is, realizing the above-mentioned method for automatically compensating for a weak light flux environment in an elevator shaft. The storage medium may include a high-speed random storage medium, and may also include a non-volatile storage medium, such as one or more magnetic storage systems, flash memory, or other non-volatile solid-state storage media. In some instances, the storage medium may further include a storage medium remotely arranged relative to the processor, and these remote storage media may be connected to the terminal via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0106] The processor can call the information and application program stored in the storage medium through the transmission system to execute the steps: Step 101, obtaining the information of the irradiated point in the elevator shaft and the searchlight information, wherein the information of the irradiated point includes: the distance from the irradiated point to the horizontal edge of the elevator shaft, the distance from the irradiated point to the vertical edge of the elevator shaft, the surface area of ​​the obstacle and the reflectivity of the obstacle, and the searchlight information includes: the standard deviation of the searchlight brightness distribution, the square of the propagation distance of the searchlight light in the horizontal direction and the square of the propagation distance of the searchlight light in the vertical direction;

[0107] Step 102, setting a searchlight irradiation intensity adjustment model, and calculating the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information;

[0108] Specifically, the searchlight illumination intensity adjustment model includes:

[0109] ,

[0110] in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity.

[0111] Specifically, Factors affecting the radiation intensity include:

[0112] ,

[0113] in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle.

[0114] Specifically, the irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include:

[0115] ,

[0116] in, is the standard deviation of the searchlight brightness distribution. When the light source of the searchlight is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, It is the square of the vertical propagation distance of the searchlight.

[0117] Specifically, the irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include:

[0118] ,

[0119] in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. The main direction of the searchlight beam.

[0120] Step 103, adjusting the searchlight according to the illumination intensity, so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance.

[0121] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0122] In the above embodiments of the present invention, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0123] In the several embodiments provided by the present invention, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the system embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0124] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0125] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0126] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only storage medium (ROM, Read-Only Memory), random access storage medium (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program codes.

[0127] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A method for automatically compensating for weak light flux environment in an elevator shaft, characterized in that: include: Acquire information of the irradiated point in the elevator shaft and searchlight information, wherein the information of the irradiated point includes: the distance from the irradiated point to the horizontal edge of the elevator shaft, the distance from the irradiated point to the vertical edge of the elevator shaft, the surface area of ​​the obstacle and the reflectivity of the obstacle; the searchlight information includes: the standard deviation of the searchlight brightness distribution, the square of the propagation distance of the searchlight light in the horizontal direction and the square of the propagation distance of the searchlight light in the vertical direction; Setting a searchlight irradiation intensity adjustment model to calculate the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information; The searchlight irradiation intensity adjustment model includes: ， in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity; No. Factors affecting the radiation intensity include: ， in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle; Irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include: ， in, is the standard deviation of the searchlight brightness distribution. When the searchlight source is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction; Irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include: ， in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. is the main direction of the searchlight beam; All adjustment factors are fitted by gradient descent method or ant colony algorithm; The searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance; The searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance, including: when the searchlight is at the illuminated point in the elevator shaft The irradiation intensity at When the intensity is less than the preset threshold, the intensity of the searchlight is increased.

2. An automatic compensation system for identifying weak light flux environment in an elevator shaft, characterized in that: include: An information acquisition module is used to acquire information of an irradiated point in an elevator shaft and searchlight information, wherein the information of the irradiated point includes: a distance from the irradiated point to a horizontal edge of the elevator shaft, a distance from the irradiated point to a vertical edge of the elevator shaft, a surface area of ​​an obstacle, and a reflectivity of the obstacle; and the searchlight information includes: a standard deviation of searchlight brightness distribution, a square of a horizontal propagation distance of the searchlight light, and a square of a vertical propagation distance of the searchlight light; A model setting module is used to set a searchlight irradiation intensity adjustment model, and calculate the irradiation intensity of the searchlight at the irradiated point in the elevator shaft according to the information of the irradiated point in the elevator shaft and the searchlight information; The searchlight intensity adjustment model includes: ， in, The point illuminated by the searchlight in the elevator shaft The irradiation intensity at is the overall adjustment factor of the searchlight, is the irradiated point in the elevator shaft Distance to the horizontal edge of the elevator shaft, is the irradiated point in the elevator shaft The distance to the vertical edge of the elevator shaft, is the distance adjustment factor, is the number of obstacles, is the obstacle adjustment factor, is the irradiated point in the elevator shaft To The distance of obstacles, For the The influence factor of obstacles on the radiation intensity is: is the irradiated point in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity, is the irradiated point in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity; No. Factors affecting the radiation intensity include: ， in, For the The surface area of ​​the obstacle, For the The shape adjustment factor of the obstacle, For the The reflectivity of an obstacle; Irradiated points in the elevator shaft The influence function of the initial light source type of the searchlight on the illumination intensity include: ， in, is the standard deviation of the searchlight brightness distribution. When the searchlight source is a spotlight, is the divergence angle of the light source. When the light source of the searchlight is a ring light source, is the ratio of the inner and outer radii of the light source, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction; Irradiated points in the elevator shaft The influence function of the brightness distribution of the searchlight and the beam irradiation direction on the irradiation intensity include: ， in, is the standard deviation of the searchlight brightness distribution, is the square of the horizontal propagation distance of the searchlight, is the square of the propagation distance of the searchlight in the vertical direction, is the half-width parameter of the Cauchy distribution, is the angle at which the searchlight rotates counterclockwise or clockwise along the horizontal plane. is the main direction of the searchlight beam; All adjustment factors are fitted by gradient descent method or ant colony algorithm; An adjustment module, used for adjusting the searchlight according to the illumination intensity, so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of elevator maintenance; The searchlight is adjusted according to the illumination intensity so that the illumination intensity of the searchlight on the illuminated point meets the operation requirements of the elevator maintenance, including: when the searchlight is at the illuminated point in the elevator shaft The irradiation intensity at When the intensity is less than the preset threshold, the intensity of the searchlight is increased.

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