Data acquisition device and lighting device inspection system
The data acquisition device and lighting device inspection system allows remote inspection of lighting devices by capturing and analyzing visible light data, addressing the inefficiencies of manual visual inspection and enabling accurate remote assessment of external shape and brightness.
Patent Information
- Application Number
- JP2024049882
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2025-10-08
AI Technical Summary
Existing lighting device inspection systems cannot remotely inspect the external shape or brightness of lighting equipment, requiring manual visual inspection which is inefficient and labor-intensive.
A data acquisition device and lighting device inspection system that includes an optical data acquisition unit to capture visible light from the lighting device, a determination unit to analyze the data, and a transmission unit to display the inspection results remotely, using a mobile object like a drone or robot to gather data from hard-to-reach locations.
Enables remote inspection of lighting devices, allowing for accurate assessment of external shape and brightness without manual intervention, even in difficult-to-reach locations.
Smart Images

Figure 2025149320000001_ABST
Abstract
Description
[Technical Field]
[0001] The present disclosure relates to a data acquisition device and a lighting device inspection system. [Background technology]
[0002] Conventionally, lighting devices with a self-inspection function have been proposed. The lighting device disclosed in Patent Document 1 displays the results of the self-inspection performed by the lighting device on a remote control terminal. The self-inspection of the lighting device includes, for example, checking the lighting time and the voltage of the storage battery after a specified time. This configuration allows the worker to check the results of the self-inspection performed by the lighting device from the display on the remote control terminal, thereby reducing the burden on the worker. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] JP 2019-220378 A Summary of the Invention [Problem to be solved by the invention]
[0004] However, self-inspection of lighting equipment does not allow inspection of the external shape of the lighting equipment or the brightness of the lighting. Therefore, when inspecting a lighting equipment, an operator must go to the site and visually inspect the lighting equipment from the outside. Therefore, the invention described in Patent Document 1 has a problem in that it is not possible to inspect the inspection part of the lighting equipment remotely.
[0005] The present disclosure has been made to solve the above-mentioned problems, and aims to remotely inspect an inspection part of a lighting device. [Means for solving the problem]
[0006] The data acquisition device according to the present disclosure has an optical data acquisition unit that, upon receiving an inspection start signal to start inspection of a lighting device, acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, and an optical data transmission unit that transmits the optical data acquired by the optical data acquisition unit to an external device.
[0007] Furthermore, the lighting device inspection system according to the present disclosure includes an optical data acquisition unit that, upon receiving an inspection start signal to start inspection of the lighting device, acquires optical data, which is data acquired from visible light emitted from the inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device; a determination unit that determines the inspection result of the lighting device from the optical data acquired by the optical data acquisition unit; and an inspection result transmission unit that transmits the inspection result to a display unit that displays the inspection result. [Effects of the Invention]
[0008] The data acquisition device and lighting device inspection system according to the present disclosure have the advantage of being able to inspect parts of a lighting device remotely. [Brief explanation of the drawings]
[0009] [Figure 1] 1 is a schematic diagram of an inspection system for a lighting device according to a first embodiment of the present disclosure. [Figure 2] 1 is a block diagram showing a hardware configuration of an inspection system for a lighting device according to a first embodiment of the present disclosure. [Figure 3] 1 is a block diagram showing a circuit configuration of an emergency lighting device of a lighting device inspection system according to a first embodiment of the present disclosure. FIG. [Figure 4] 1 is a block diagram showing a functional configuration of an inspection system for a lighting device according to a first embodiment of the present disclosure. [Figure 5] FIG. 3 is a sequence diagram illustrating processing performed by the lighting device inspection system according to the first embodiment of the present disclosure. [Figure 6]10 is a flowchart showing a process for determining a result of a self-inspection regarding the lighting time of an emergency lighting device, which is performed by the inspection device of the lighting device inspection system according to the first embodiment of the present disclosure. [Figure 7] 10 is a flowchart showing a process for determining a device inspection result related to the external shape of an emergency lighting device, which is performed by an inspection device of the lighting device inspection system according to the first embodiment of the present disclosure. [Figure 8] FIG. 10 is a schematic diagram of an inspection system for a lighting device according to a second embodiment of the present disclosure. [Figure 9] FIG. 11 is a block diagram showing a configuration of a learning device of an inspection system for a lighting device according to a third embodiment of the present disclosure. [Figure 10] FIG. 1 is a schematic diagram showing a three-layer neural network model. [Figure 11] 11 is a flowchart showing a learning process of a learning device of a lighting device inspection system according to a third embodiment of the present disclosure. [Figure 12] FIG. 11 is a block diagram showing a configuration of an inference device of an inspection system for a lighting device according to a third embodiment of the present disclosure. [Figure 13] 11 is a flowchart showing an inference process of the inference device of the lighting device inspection system according to the third embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION
[0010] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. Note that the present disclosure is not limited to the following embodiments, and modifications or omissions are possible without departing from the spirit of the present disclosure. Furthermore, common elements in each drawing are designated by the same reference numerals, and redundant explanations will be omitted.
[0011] Embodiment 1 FIG. 1 is a schematic diagram of a lighting device inspection system 100 according to a first embodiment of the present disclosure. An overview of the lighting device inspection system 100 will be described using FIG. 1. The lighting device inspection system 100 includes an emergency lighting device 10, a mobile object 20, an inspection device 30, and a display device 40. Furthermore, the network 500 depicted in FIG. 1 is depicted for the purpose of explanation and is not included in the lighting device inspection system 100.
[0012] The emergency lighting device 10, the mobile body 20, the inspection device 30, and the display device 40 are connected via a network 500. Methods for connecting to the network 500 include, for example, LAN, WAN, the Internet, Bluetooth (registered trademark), a dedicated circuit, and infrared communication.
[0013] The emergency lighting device 10 is a lighting device used in emergencies. Specifically, the emergency lighting device 10 is an emergency lighting fixture or an emergency light. Specifically, the emergency lighting device 10 is an emergency light or an emergency light.
[0014] In the lighting device inspection system 100, inspection of the emergency lighting device 10 includes a self-inspection performed by the emergency lighting device 10 and the inspection device 30, and a device inspection performed by the inspection device 30. Both the self-inspection and the device inspection are carried out when the fixture is inspected. In the self-inspection performed by the emergency lighting device 10 and the inspection device 30, the voltage of the emergency power supply 104 is inspected during the lighting time and after a specified time has passed.
[0015] The lighting time inspection includes an inspection of the lighting time when power is supplied from the commercial power source 110 and an inspection of the lighting time when power is supplied from the emergency power source 104. The lighting time inspection checks whether the light source 105 of the emergency lighting device 10 continues to light for a predetermined lighting inspection time. Whether the light source 105 is lit or not is determined based on the illuminance value and luminance value acquired by the inspection device 30. The voltage inspection of the emergency power source 104 after the specified time checks whether the voltage measured by the voltmeter 107 of the emergency lighting device 10 is within the specifications of the emergency power source 104. The equipment inspection also checks the external shape of the emergency lighting device 10.
[0016] The mobile object 20 is a device that changes its position over time. More specifically, the mobile object 20 moves autonomously. The mobile object 20 is, for example, an autonomously flying drone or an autonomously walking robot. The mobile object 20 moves to a predetermined data acquisition position relative to the emergency lighting device 10 and acquires optical data from the data acquisition position, which is data acquired from visible light emitted from an inspection portion of the emergency lighting device 10 or visible light reflected by the inspection portion of the emergency lighting device 10. The inspection portion is the portion inspected by the inspection device 30. When inspecting the external shape of the emergency lighting device 10, the inspection portion is the external shape of the emergency lighting device 10. When inspecting the lighting time of the emergency lighting device 10, the inspection portion is the light source 105. More specifically, the mobile object 20 is equipped with a camera 203, an illuminance meter 204, and a luminance meter 205, and acquires image data, illuminance values at the data acquisition position, and luminance values of the light source 105. The acquired image data is image data obtained by photographing the external shape of the emergency lighting device 10. In the first embodiment, the acquired image data is used to inspect the external shape of the emergency lighting device 10, and therefore the acquired image data is data that includes the external shape of the emergency lighting device 10. The specific configuration of the moving body 20 will be described later.
[0017] In the lighting device inspection system 100, captured image data is acquired as optical data. With this configuration, the lighting device inspection system 100 has the effect of being able to perform highly accurate inspections even when the emergency lighting device 10 is installed in a location that is difficult to visually check, such as in a high place or halfway up a staircase.
[0018] The inspection device 30 performs an inspection of the emergency lighting device 10 based on the optical data acquired by the moving body 20, and determines the results of the inspection. More specifically, the inspection device 30 inspects the external shape of the emergency lighting device 10 based on the acquired image data.
[0019] The inspection device 30 also acquires illuminance values and luminance values for determining the results of the self-inspection of the lighting time of the emergency lighting device 10. The specific configuration of the inspection device 30 will be described later.
[0020] In the lighting device inspection system 100, illuminance values and luminance values are acquired as optical data. With this configuration, the lighting device inspection system 100 has the effect of being able to quantitatively inspect the lighting time of the emergency lighting device 10.
[0021] The display device 40 displays the self-inspection results determined by the emergency lighting device 10 and the device inspection results determined by the inspection device 30. The display device 40 is a terminal that can be carried by the worker inspecting the emergency lighting device 10, such as a tablet terminal or a smartphone.
[0022] In the lighting device inspection system 100, the mobile object 20 acquires optical data and transmits the acquired optical data to the display device 40, which is an external device. With this configuration, an operator can inspect the emergency lighting device 10 by checking the display device 40, and can therefore inspect the external shape of the emergency lighting device 10 and the lighting-related aspects without going to the location where the emergency lighting device 10 is installed. Therefore, the lighting device inspection system 100 has the effect of being able to inspect the inspection parts of the lighting device remotely.
[0023] Fig. 2 is a block diagram showing a hardware configuration of the lighting device inspection system 100 according to the first embodiment of the present disclosure. Fig. 3 is a block diagram showing a circuit configuration of the emergency lighting device 10 of the lighting device inspection system 100 according to the first embodiment of the present disclosure. The hardware configuration of the lighting device inspection system 100 will be described with reference to Figs. 2 and 3.
[0024] The emergency lighting device 10 includes a hardware interface 101 , a processor 102 , a memory 103 , an emergency power supply 104 , a light source 105 , a circuit 106 , and a voltmeter 107 .
[0025] The hardware interface 101 receives, wirelessly or via a wired connection, from the hardware interface 301 of the inspection device 30, an inspection start signal that starts inspection of the emergency lighting device 10. In addition, the hardware interface 101 transmits, wirelessly or via a wired connection, to the hardware interface 401 of the display device 40, a signal that indicates the inspection result of the self-inspection of the voltage of the emergency power supply 104 that is performed by the emergency lighting device 10.
[0026] The processor 102 executes a program stored in the memory 103. Specifically, the processor 102 performs a self-check on the voltage of the emergency power supply 104 of the emergency lighting device 10. The processor 102 is, for example, a CPU (Central Processing Unit).
[0027] The memory 103 stores programs executed by the processor 102. The memory 103 is also used as a work area for the processor 102. The memory 103 is, for example, a volatile memory such as a random access memory (RAM), a non-volatile memory such as a read only memory (ROM), or both a volatile memory and a non-volatile memory.
[0028] The emergency power supply 104 supplies power to the emergency lighting device 10 when an emergency such as a power outage or a fire occurs and power is no longer supplied to the emergency lighting device 10 from the commercial power supply 110 .
[0029] When no emergency situation occurs, the light source 105 can be turned on by power supplied from the commercial power source 110. When an emergency situation occurs, the light source 105 can be turned on by power supplied from the emergency power source 104.
[0030] The circuit 106 is for supplying power to the emergency lighting device 10. As shown in Fig. 3, the circuit 106 has a flyback circuit 111, a constant voltage circuit 112, a charging circuit 113, a normal lighting circuit 114, and an emergency lighting circuit 115.
[0031] The voltmeter 107 measures the voltage during self-inspection of the emergency power supply 104 of the emergency lighting device 10.
[0032] The flyback circuit 111 converts an input voltage supplied from the commercial power supply 110 into an output voltage. The voltage converted by the flyback circuit 111 is supplied to the constant voltage circuit 112.
[0033] The constant voltage circuit 112 is a circuit for outputting the voltage converted by the flyback circuit 111 at a constant value to the charging circuit 113 and the normal lighting circuit 114. The charging circuit 113 is a circuit for charging the emergency power supply 104.
[0034] The normal lighting circuit 114 is a circuit for supplying power to the light source 105 when no emergency situation has occurred. The normal lighting circuit 114 supplies the power output from the constant voltage circuit 112 to the light source 105. The emergency lighting circuit 115 is a circuit for supplying power to the light source 105 when an emergency situation has occurred. The emergency lighting circuit 115 supplies the power output from the emergency power supply 104 to the light source 105.
[0035] The moving object 20 includes a hardware interface 201 , a moving mechanism 202 , a camera 203 , an illuminance meter 204 , and a brightness meter 205 .
[0036] The hardware interface 201 receives, wirelessly or via a wired connection, signals indicating an inspection start signal and a movement command from the hardware interface 301 of the inspection device 30. The movement command indicates an operation command for the movement mechanism 202 of the mobile object 20. In response to the movement command, the mobile object 20 moves to a data acquisition position. The hardware interface 201 also transmits, wirelessly or via a wired connection, signals indicating image data acquired by the camera 203, an illuminance value acquired by the illuminance meter 204, and a luminance value acquired by the luminance meter 205 to the hardware interface 301 of the inspection device 30.
[0037] The movement mechanism 202 is a mechanism that enables the moving body 20 to move autonomously. If the moving body 20 is an autonomously walking robot, the movement mechanism 202 is, for example, a plurality of tires and a motor. If the moving body 20 is an autonomously flying drone, the movement mechanism 202 is, for example, a propeller and a motor.
[0038] The camera 203 acquires captured image data relating to the external shape of the emergency lighting device 10. More specifically, the camera 203 acquires captured image data of the emergency lighting device 10 from a predetermined data acquisition position. The camera 203 is a visible light camera. The camera 203 is configured with an image sensor such as a CCD (Charge-coupled device) or a CMOS (Complementary Metal Oxide Semiconductor), for example.
[0039] The illuminance meter 204 acquires the illuminance value at the data acquisition position. The luminance meter 205 acquires the luminance value of the light source 105. The illuminance meter 204 and the luminance meter 205 acquire data at predetermined intervals during the lighting inspection period after the effective lighting time. The effective lighting time is 20 minutes for emergency lights and 30 minutes for emergency lights. The lighting time is, for example, 10 minutes.
[0040] The inspection device 30 includes a hardware interface 301 , a processor 302 , a memory 303 , and a storage 304 .
[0041] The hardware interface 301 transmits an inspection start signal wirelessly or via a wired connection to the hardware interface 101 of the emergency lighting device 10 and the hardware interface 201 of the mobile body 20. The hardware interface 301 also transmits a signal indicating a movement command wirelessly or via a wired connection to the hardware interface 201 of the mobile body 20. The hardware interface 301 also transmits signals indicating the device inspection result determined by the inspection device 30 and the self-inspection result regarding the lighting time determined by the inspection device 30 to the hardware interface 401 of the display device 40 wirelessly or via a wired connection.
[0042] The hardware interface 301 receives signals indicating the acquired image data, illuminance values, and brightness values from the hardware interface 201 of the mobile object 20 wirelessly or via a wired connection.
[0043] The processor 302 executes a program stored in the memory 303. Specifically, the processor 302 determines the results of a device inspection and a self-inspection of the lighting time of the emergency lighting device 10. The processor 302 inspects the external shape of the emergency lighting device 10 by comparing the image data acquired by the camera 203 with reference image data stored in the storage 304. The reference image data is image data captured at a data acquisition position before the inspection, and is acquired, for example, when the emergency lighting device 10 is installed.
[0044] The processor 302 also checks the lighting time of the emergency lighting device 10 by determining whether the illuminance value acquired by the illuminance meter 204 and the luminance value acquired by the luminance meter 205 during the lighting inspection time are within a normal illuminance range and a normal luminance range, respectively. The normal illuminance range is a value indicating a normal value for the illuminance value, and is stored in the storage 304. The normal luminance range is a value indicating a normal value for the luminance value, and is stored in the storage 304.
[0045] The memory 303 stores programs executed by the processor 302. The memory 303 is also used as a work area for the processor 302. The memory 303 is, for example, a volatile memory such as a random access memory (RAM), a non-volatile memory such as a read only memory (ROM), or both a volatile memory and a non-volatile memory.
[0046] The storage 304 stores a map of the space in which the moving object 20 moves, data acquisition positions, a reference image, an image matching threshold, an inspection period, a normal illuminance range, and a normal brightness range. The image matching threshold will be described later. The inspection period is the period during which the inspection device 30 performs an inspection after the emergency lighting device 10 is energized. The map of the space in which the moving object 20 moves is stored when the lighting device inspection system 100 is operated for the first time. The storage 304 is, for example, an SSD (Solid State Drive) or a hard disk.
[0047] The display device 40 includes a hardware interface 401 and a display 402 .
[0048] The hardware interface 401 receives, wirelessly or via a wired connection, from the hardware interface 301 of the inspection device 30, signals indicating the device inspection result and the self-inspection result of the lighting time determined by the inspection device 30. The hardware interface 401 also receives, wirelessly or via a wired connection, signals indicating the self-inspection result of the emergency lighting device 10 from the hardware interface 101 of the emergency lighting device 10.
[0049] The display 402 displays the results of the self-inspection performed by the emergency lighting device 10 and the results of the device inspection performed by the inspection device 30.
[0050] 4 is a block diagram showing a functional configuration of the lighting device inspection system 100 according to the first embodiment of the present disclosure. The functional configuration of the lighting device inspection system 100 will be described with reference to FIG.
[0051] The emergency lighting device 10 includes a transmitter / receiver unit 11, a self-inspection execution unit 12, a light source unit 13, and a power storage unit 14.
[0052] The transmitter / receiver 11 receives an inspection start signal from the inspection device 30. The transmitter / receiver 11 also transmits a signal indicating the self-inspection result regarding the voltage of the emergency power supply 104 to the display device 40. The transmitter / receiver 11 is realized by the hardware interface 101 of the emergency lighting device 10.
[0053] The self-inspection execution unit 12 executes a self-inspection of the emergency lighting device 10. Specifically, the self-inspection execution unit 12 inspects the lighting time of the emergency lighting device 10 and the voltage of the emergency power supply 104 after a specified time has elapsed. The self-inspection execution unit 12 is realized by the processor 102, memory 103, emergency power supply 104, circuit 106, and voltmeter 107 of the emergency lighting device 10.
[0054] The light source unit 13 emits light. The light source unit 13 is realized by the light source 105 of the emergency lighting device 10.
[0055] The power storage unit 14 stores electrical energy for supplying power to the emergency lighting device 10. The power storage unit 14 is realized by the emergency power supply 104.
[0056] The moving body 20 includes a moving unit 21 and a data acquisition device 22 .
[0057] The moving unit 21 is a component that enables the moving body 20 to move autonomously. The moving unit 21 is realized by a moving mechanism 202 of the moving body 20.
[0058] The data acquisition device 22 is a device that acquires optical data, which is data acquired from visible light emitted from the inspection portion of the emergency lighting device 10 or visible light reflected by the inspection portion of the emergency lighting device 10. The data acquisition device 22 includes a transmitter / receiver 23 and an optical data acquisition unit 24.
[0059] The transmitter / receiver 23 receives an inspection start signal from the inspection device 30. The transmitter / receiver 23 also transmits the acquired image data, a signal indicating an illuminance value, and a signal indicating a luminance value to the inspection device 30. The transmitter / receiver 23 is realized by the hardware interface 201 of the mobile object 20.
[0060] The optical data acquisition unit 24 includes an imaging unit 25, an illuminance value acquisition unit 26, and a brightness value acquisition unit 27. The imaging unit 25 acquires image data. The imaging unit 25 is realized by the camera 203 of the moving object 20.
[0061] The illuminance value acquisition unit 26 acquires an illuminance value at a data acquisition position. The illuminance value acquisition unit 26 is realized by an illuminance meter 204 of the mobile object 20. The luminance value acquisition unit 27 acquires a luminance value of the light source 105. The luminance value acquisition unit 27 is realized by a luminance meter 205 of the mobile object 20.
[0062] The inspection device 30 includes a transmitter / receiver 31 , a determination unit 32 , and a storage unit 33 .
[0063] The transmitter / receiver 31 receives optical data from the mobile body 20. The transmitter / receiver 31 also transmits an inspection start signal to the emergency lighting device 10 and the mobile body 20. The transmitter / receiver 31 transmits the inspection signal when the emergency lighting device 10 is energized or at predetermined inspection intervals after the emergency lighting device 10 is energized. The inspection intervals are set to be more frequent than the period specified by law. The inspection intervals are set to be shorter than the period specified by law. The inspection interval is, for example, one month.
[0064] The transmitting / receiving unit 31 also transmits a signal indicating the device inspection result and the self-inspection result regarding the lighting time to the display device 40. The transmitting / receiving unit 31 is realized by the hardware interface 301 of the inspection device 30.
[0065] The determination unit 32 makes a determination regarding the device inspection and self-inspection of the lighting time of the emergency lighting device 10. More specifically, the determination unit 32 determines whether the device inspection regarding the external shape of the emergency lighting device 10 and the self-inspection regarding the lighting time of the lighting device 10 pass or fail. The determination unit 32 is realized by the processor 302 and memory 303 of the inspection device 30.
[0066] The determination unit 32 inspects the external shape of the emergency lighting device 10 by comparing the acquired image data acquired by the photographing unit 25 with the reference image data. More specifically, the determination unit 32 determines that the inspection of the external shape of the emergency lighting device 10 has passed if the degree of match between the acquired image data acquired by the photographing unit 25 and the reference image data is equal to or greater than the image match threshold stored in the storage unit 33. Furthermore, the determination unit 32 determines that the inspection of the external shape of the emergency lighting device 10 has failed if the degree of match between the acquired image data acquired by the photographing unit 25 and the reference image data is less than the image threshold stored in the storage unit 33. This is because a high degree of match between the acquired image data and the reference image data means that the emergency lighting device 10 is unlikely to be deformed, damaged, discolored, detached, or significantly soiled. On the other hand, a low degree of match between the acquired image data and the reference image data means that the emergency lighting device 10 is likely to be deformed, damaged, discolored, detached, or significantly soiled.
[0067] Furthermore, if all luminance values acquired by the luminance value acquisition unit 27 are within the normal luminance range stored in the memory unit 33 and all illuminance values acquired by the illuminance value acquisition unit 26 are within the normal illuminance range stored in the memory unit 33, the determination unit 32 determines that the self-inspection regarding the lighting time of the emergency lighting device 10 has passed. Furthermore, if the illuminance values acquired by the illuminance value acquisition unit 26 are outside the normal illuminance range or if the luminance values acquired by the luminance value acquisition unit 27 are outside the normal luminance range, the determination unit 32 determines that the self-inspection regarding the lighting time of the emergency lighting device 10 has failed. If the luminance values are outside the normal luminance range, the brightness of the light emitted from the light source 105 itself is too bright or too dark, and therefore the lighting brightness is not appropriate. If the illuminance values are outside the normal illuminance range, the lighting brightness is too bright or too dark in the space in which the emergency lighting device 10 is installed, and therefore the lighting brightness is not appropriate.
[0068] The memory unit 33 stores a map of the space in which the mobile object 20 moves, data acquisition positions, a reference image, an image matching threshold, an inspection period, a normal illuminance range, and a normal brightness range. The memory unit 33 is realized by the storage 304 of the inspection device 30.
[0069] The display device 40 includes a receiving unit 41 and a display unit 42 .
[0070] The receiving unit 41 receives a signal indicating the device inspection result and the self-inspection result regarding the lighting time from the inspection device 30. The receiving unit 41 also receives a signal indicating the self-inspection result of the voltage of the emergency power supply 104 from the emergency lighting device 10. The receiving unit 41 is realized by the hardware interface 401 of the display device 40.
[0071] The display unit 42 displays the device inspection results and self-inspection results of the emergency lighting device 10. The display unit 42 is realized by the display 402 of the display device 40.
[0072] FIG. 5 is a sequence diagram illustrating processing performed by the lighting device inspection system 100 according to the first embodiment of the present disclosure. FIG. 6 is a flowchart illustrating processing performed by the inspection device 30 of the lighting device inspection system 100 according to the first embodiment of the present disclosure to determine the result of a self-inspection regarding the lighting time of the emergency lighting device 10. FIG. 7 is a flowchart illustrating processing performed by the inspection device 30 of the lighting device inspection system 100 according to the first embodiment of the present disclosure to determine the result of a device inspection regarding the external shape of the emergency lighting device 10. FIGS. 6 and 7 illustrate the processing content in step S107 in FIG. 5. The flow of information and processing content in the lighting device inspection system 100 will be described using FIGS. 5 to 7.
[0073] Steps S101 and S102 are performed when the emergency lighting device 10 is energized or whenever an inspection period has elapsed. In step S101, the inspection device 30 transmits an inspection start signal to the emergency lighting device 10. In addition, in step S102, the inspection device 30 transmits the inspection start signal to the mobile object 20. When the inspection device 30 transmits the inspection start signal, the processing of steps S101 and S102 ends.
[0074] Step S103 is performed after the processing of step S101. In step S103, the emergency lighting device 10 performs a self-inspection. More specifically, in step S103, the emergency lighting device 10 performs a self-inspection of the lighting time when power is supplied from the commercial power source 110, a self-inspection of the lighting time when power is supplied from the emergency power source 104, and a self-inspection of the voltage of the emergency power source 104, in that order. Furthermore, after processing the self-inspection of the lighting time when power is supplied from the commercial power source 110, the emergency lighting device 10 shuts off the normal lighting circuit 114 and switches to the emergency lighting circuit 115, so that power is supplied to the light source 105 from the emergency power source 104. When the emergency lighting device 10 finishes the self-inspection, the processing of step S103 ends.
[0075] Step S104 is performed after the processing of step S102. In step S104, the mobile body 20 acquires optical data of the emergency lighting device 10 from the data acquisition position. Specifically, the mobile body 20 acquires acquired image data, an illuminance value, and a luminance value. The mobile body 20 acquires the illuminance value and the luminance value while performing the self-inspection of the lighting time in step S103. Furthermore, the mobile body 20 acquires the acquired image data after the self-inspection of the lighting time in step S103 is completed. When the mobile body 20 has acquired the optical data, the processing of step S104 is terminated.
[0076] Step S105 is performed after the processing of step S103. In step S105, the emergency lighting device 10 transmits a signal indicating the result of the self-inspection of the voltage of the emergency power supply 104 to the display device 40. When the emergency lighting device 10 transmits the signal indicating the result of the self-inspection, the processing of step S105 is terminated.
[0077] Step S106 is performed after the processing of step S104. In step S106, the mobile object 20 transmits a signal indicating the optical data acquired in step S104 to the inspection device 30. When the mobile object 20 transmits the signal indicating the optical data, the processing of step S106 ends.
[0078] Step S107 is performed after the processing of step S106. In step S107, the inspection device 30 determines the device inspection result and the self-inspection result of the lighting time. In step S107, the inspection result regarding the external shape of the emergency lighting device 10 and the inspection result regarding the lighting time are determined. More specifically, the processing of step S107 is composed of the processing of steps S111 to S115 in FIG. 6 and steps S121 to S123 in FIG. 7. Each step constituting step S107 will be described later. When the device inspection result regarding the external shape of the emergency lighting device 10 and the self-inspection result regarding the lighting time are determined, step S107 ends.
[0079] Step S108 is performed after the processing of step S107. In step S108, the inspection device 30 transmits a signal indicating the inspection result of the emergency lighting device 10 determined in step S107 to the display device 40. When the inspection device 30 transmits the signal indicating the inspection result of the emergency lighting device 10, the processing of step S108 is terminated.
[0080] Step S109 is performed after the processing of step S108. In step S109, the display device 40 displays the inspection results of the emergency lighting device 10. More specifically, the display device 40 displays the self-inspection result regarding the voltage of the emergency power supply 104 of the emergency lighting device 10 received in step S105, the device inspection result regarding the external shape of the emergency lighting device 10, and the self-inspection result regarding the lighting time received in step S108. When the display device 40 displays the inspection results of the emergency lighting device 10, the processing of step S109 ends.
[0081] Next, the processing of step S107 will be described. Step S111 is performed when the processing of step S107 is started. Furthermore, the processing of steps S111 to S115 is performed for the self-inspection when power is supplied from commercial power supply 110 and for the self-inspection when power is supplied from emergency power supply 104, respectively. In step S111, determination unit 32 of inspection device 30 determines whether all the luminance values acquired in step S104 are within the normal luminance range stored in memory unit 33. In step S111, the processing ends when determination unit 32 determines whether the condition is satisfied.
[0082] Step S112 is processed when it is determined in step S111 that all brightness values are within the normal brightness range (step S111, Yes). In step S112, the determination unit 32 of the inspection device 30 determines whether the illuminance values acquired in step S104 are within the normal illuminance range stored in the memory unit 33. In step S112, the determination unit 32 determines whether the conditions are met, and the process ends.
[0083] Step S113 is performed when it is determined in step S111 that all brightness values are outside the normal brightness range (step S111, No). In step S113, the determination unit 32 of the inspection device 30 determines that the self-inspection result regarding the lighting time of the emergency lighting device 10 is unsuccessful. In step S113, when the determination unit 32 determines the self-inspection result regarding the lighting time, the process ends.
[0084] Step S114 is processed when it is determined in step S112 that all illuminance values are within the normal illuminance range (step S112, Yes). In step S114, the determination unit 32 of the inspection device 30 determines that the self-inspection result regarding the lighting time of the emergency lighting device 10 is passed. In step S114, when the determination unit 32 determines the self-inspection result regarding the lighting time, the processing ends.
[0085] Step S115 is processed when it is determined in step S112 that all illuminance values are not within the normal illuminance range (step S112, No). In step S115, the determination unit 32 of the inspection device 30 determines that the self-inspection result regarding the lighting time of the emergency lighting device 10 is unsuccessful. In step S115, when the determination unit 32 determines the self-inspection result regarding the lighting time, the processing ends.
[0086] After the process of step S113 is completed, after the process of step S114 is completed, or after the process of step S115 is completed, the determination unit 32 of the inspection device 30 ends the process of determining the self-inspection result regarding the lighting time of the emergency lighting device 10.
[0087] Step S121 is processed when the self-inspection result regarding the self-inspection when power is supplied from the emergency power supply 104 is determined. In step S121, the determination unit 32 of the inspection device 30 determines whether the rate of match between the acquired image data acquired in step S104 and the reference image data is equal to or greater than the image match threshold stored in the memory unit 33. In step S121, the determination unit 32 determines whether the condition is satisfied, and the process ends.
[0088] Step S122 is processed when it is determined in step S121 that the matching rate between the acquired image data and the reference image data is equal to or greater than the image matching threshold (step S121, Yes). In step S122, the determination unit 32 of the inspection device 30 determines that the device inspection result regarding the external shape of the emergency lighting device 10 is pass. In step S122, when the determination unit 32 determines the device inspection result, the processing ends.
[0089] Step S123 is processed when it is determined in step S121 that the matching rate between the acquired image data and the reference image data is less than the image matching threshold (step S121, No). In step S123, the determination unit 32 of the inspection device 30 determines that the inspection result regarding the external shape of the emergency lighting device 10 is a failure. In step S123, when the determination unit 32 determines the device inspection result, the processing ends.
[0090] After the process of step S122 is completed or after the process of step S123 is completed, the determination unit 32 of the inspection device 30 ends the process of determining the device inspection result regarding the external shape of the emergency lighting device 10.
[0091] As described above, data acquisition device 22 according to the first embodiment includes optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of a lighting device (corresponding to emergency lighting device 10), acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, and an optical data transmission unit (corresponding to transceiver unit 23) that transmits the optical data acquired by optical data acquisition unit 24 to an external device (corresponding to inspection device 30). With this configuration, data acquisition device 22 according to the first embodiment has the effect of being able to inspect the inspection portion of the lighting device remotely.
[0092] Furthermore, the lighting device inspection system 100 according to the first embodiment of the present disclosure includes an optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of a lighting device (corresponding to the emergency lighting device 10), acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, a determination unit 32 that determines an inspection result of the lighting device from the optical data acquired by the optical data acquisition unit 24, and an inspection result transmission unit (corresponding to the transceiver unit 31) that transmits the inspection result to a display unit 42 that displays the inspection result. With this configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to inspect the inspection portion of the lighting device remotely.
[0093] Furthermore, as an additional configuration, the data acquisition device 22 according to the first embodiment has the optical data acquisition unit 24 acquire image data obtained by photographing a lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the data acquisition device 22 according to the first embodiment has the effect of being able to perform highly accurate inspections even when the lighting device is installed in a location where it is difficult to visually check, such as in a high place or in the middle of a staircase.
[0094] Furthermore, the lighting device inspection system 100 according to the first embodiment has an additional configuration in which the optical data acquisition unit 24 acquires image data obtained by photographing a lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to perform highly accurate inspection even when the lighting device is installed in a location where visual inspection is difficult, such as in a high place or in the middle of a staircase.
[0095] Furthermore, as an additional configuration, the data acquisition device 22 according to the first embodiment has the optical data acquisition unit 24 acquire data on the illuminance value at a predetermined position or the luminance value of the light source 105 in the lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the data acquisition device 22 according to the first embodiment has the effect of being able to quantitatively inspect the lighting time of the lighting device.
[0096] Furthermore, the lighting device inspection system 100 according to the first embodiment has an additional configuration in which the optical data acquisition unit 24 acquires data on the illuminance value at a predetermined position or the luminance value of the light source 105 in the lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to quantitatively inspect the lighting time of the lighting device.
[0097] Furthermore, as an additional configuration, the data acquisition device 22 according to the first embodiment has an emergency lighting circuit 115 for supplying power from the emergency power supply 104 to the light source 105 of the lighting device in an emergency, in the lighting device (corresponding to the emergency lighting device 10) in an emergency. With this additional configuration, the data acquisition device 22 according to the first embodiment has the effect of being able to inspect the emergency lighting device 10 to be used in an emergency.
[0098] Furthermore, the lighting device inspection system 100 according to the first embodiment has, as an additional configuration, an emergency lighting circuit 115 for supplying power from the emergency power supply 104 to the light source 105 of the lighting device in an emergency, in the lighting device (corresponding to the emergency lighting device 10) in an emergency. With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to inspect the emergency lighting device 10 to be used in an emergency.
[0099] Furthermore, as an additional configuration, data acquisition device 22 according to the first embodiment has optical data acquisition unit 24 acquiring optical data in a state where power is being supplied from emergency power supply 104 to light source 105 by emergency lighting circuit 115. With this additional configuration, data acquisition device 22 according to the first embodiment has the effect of being able to determine whether or not there is an abnormality in emergency power supply 104 and emergency lighting circuit 115.
[0100] Furthermore, as an additional configuration, the lighting device inspection system 100 according to the first embodiment has the optical data acquisition unit 24 acquire the optical data in a state where power is being supplied from the emergency power supply 104 to the light source 105 by the emergency lighting circuit 115. With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to determine whether or not there is an abnormality in the emergency power supply 104 and the emergency lighting circuit 115.
[0101] Furthermore, the data acquisition device 22 according to the first embodiment has an additional configuration in which the optical data is image data captured so as to include the light source 105 of the lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the data acquisition device 22 according to the first embodiment has the effect of being able to inspect the lighting time of the lighting device.
[0102] Furthermore, the lighting device inspection system 100 according to the first embodiment has an additional configuration in which the optical data is image data captured so as to include the light source 105 of the lighting device (corresponding to the emergency lighting device 10). With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to use the image data to perform an inspection of the lighting time of the lighting device.
[0103] Furthermore, data acquisition device 22 according to the first embodiment further includes, as an additional component, an inspection start signal transmission unit (corresponding to transceiver unit 23) that transmits an inspection start signal, and the inspection start signal transmission unit transmits the inspection start signal at predetermined intervals. With this additional component, data acquisition device 22 according to the first embodiment has the effect of being able to inspect the lighting device at regular intervals.
[0104] Furthermore, the lighting device inspection system 100 according to the first embodiment further includes, as an additional component, an inspection start signal transmission unit (corresponding to the transceiver unit 23) that transmits an inspection start signal, and the inspection start signal transmission unit transmits the inspection start signal at predetermined intervals. With this additional component, the lighting device inspection system 100 according to the first embodiment has the effect of being able to inspect lighting devices at regular intervals.
[0105] Furthermore, the data acquisition device 22 according to the first embodiment has, as an additional configuration, an inspection start signal transmission unit (corresponding to the transceiver unit 23) that transmits an inspection start signal, and the inspection start signal transmission unit transmits the inspection start signal when the lighting device (corresponding to the emergency lighting device 10) is energized. With this additional configuration, the data acquisition device 22 according to the first embodiment has the effect of being able to determine an abnormality in the normal lighting circuit.
[0106] Furthermore, the lighting device inspection system 100 according to the first embodiment has, as an additional configuration, an inspection start signal transmission unit (corresponding to the transceiver unit 23) that transmits an inspection start signal, and the inspection start signal transmission unit transmits the inspection start signal when the lighting device (corresponding to the emergency lighting device 10) is energized. With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect of being able to determine whether there is an abnormality in the normal lighting circuit.
[0107] Furthermore, the lighting device inspection system 100 according to the first embodiment has an additional configuration in which the optical data includes image data of a lighting device (corresponding to the emergency lighting device 10), and the determination unit 32 determines that the inspection result regarding the external shape of the lighting device passes if the rate of match between a pre-stored image of the lighting device and image data photographed from the same location as the image of the lighting device is equal to or greater than a predetermined threshold, and determines that the inspection result regarding the external shape fails if the rate of match between the image of the lighting device and the image data is less than the threshold. With this additional configuration, the lighting device inspection system 100 according to the first embodiment has the effect that the inspection device 30 can inspect the external shape of the lighting device.
[0108] In the lighting device inspection system of the first embodiment, the determination unit is configured to compare acquired image data with reference image data, but instead of simply comparing the two images, the determination unit may be configured to weight the images according to the location of the emergency lighting device. The weighting is performed by increasing the weight of locations that should be given more importance during inspection. By weighting, it is possible to focus inspection on locations that should be given more importance during inspection, or locations that are prone to contamination.
[0109] Embodiment 2 A lighting device inspection system 200 according to a second embodiment will be described. In the second embodiment, the same components as those in the first embodiment of the present disclosure are designated by the same reference numerals, and descriptions of the same or corresponding parts will be omitted. The lighting device inspection system 200 according to the second embodiment differs from the lighting device inspection system 100 according to the first embodiment in the number of emergency lighting devices installed.
[0110] Fig. 8 is a schematic diagram of a lighting device inspection system 200 according to the second embodiment of the present disclosure. As shown in Fig. 8, an emergency lighting device 50 of the lighting device inspection system 200 includes a first lighting fixture 51 and a second lighting fixture 52. The first lighting fixture 51 and the second lighting fixture 52 are installed in the same space, for example, in the same building.
[0111] Mobile body 60 moves to a predetermined data acquisition position and acquires optical data for first lighting fixture 51 and second lighting fixture 52. This configuration has the effect of enabling data to be acquired by a single mobile body even when inspecting multiple lighting fixtures.
[0112] In addition to acquiring the acquired image data, which is optical data, the mobile object 60 also acquires images of labels on the first lighting fixture 51 and the second lighting fixture 52. The labels indicate the model of the emergency lighting device 50. This configuration has the effect of saving the worker the trouble of inspecting the model of the emergency lighting device 50.
[0113] The inspection device 70 determines the inspection results for each of the first lighting fixture 51 and the second lighting fixture 52. The display device 80 displays the inspection results for each of the first lighting fixture 51 and the second lighting fixture 52.
[0114] As described above, data acquisition device 22 according to embodiment 2, like embodiment 1, has optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of a lighting device (corresponding to first lighting fixture 51 or second lighting fixture 52), acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, and an optical data transmission unit (corresponding to transceiver unit 23) that transmits the optical data acquired by optical data acquisition unit 24 to an external device (corresponding to inspection device 70). With this configuration, data acquisition device 22 according to embodiment 2 achieves the same effects as those described in embodiment 1.
[0115] Furthermore, similar to the first embodiment, the lighting device inspection system 200 according to the second embodiment of the present disclosure includes an optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of the lighting devices (corresponding to first lighting fixture 51 and second lighting fixture 52), acquires optical data, which is data acquired from visible light emitted from the inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, a determination unit 32 that determines the inspection result of the lighting device from the optical data acquired by the optical data acquisition unit 24, and an inspection result transmission unit (corresponding to the transceiver unit 31) that transmits the inspection result to a display unit 42 that displays the inspection result. With this configuration, the lighting device inspection system 200 according to the second embodiment achieves the same effects as those described in the first embodiment.
[0116] Furthermore, as an additional configuration, data acquisition device 22 according to the second embodiment of the present disclosure autonomously moves to a predetermined position (corresponding to a data acquisition position) to acquire the optical data. With this additional configuration, data acquisition device 22 according to the second embodiment has the effect of being able to acquire data using a single moving body even when inspecting multiple lighting fixtures.
[0117] Furthermore, lighting device inspection system 200 according to the second embodiment of the present disclosure has an additional configuration in which it autonomously moves to a predetermined position (corresponding to a data acquisition position) to acquire the optical data. With this additional configuration, lighting device inspection system 200 according to the second embodiment has the advantage of being able to acquire data using a single mobile object even when inspecting multiple lighting fixtures.
[0118] Embodiment 3 A lighting device inspection system 300 according to embodiment 3 will be described. The lighting device inspection system 300 according to embodiment 3 is different from the lighting device inspection system 100 according to embodiment 1 and the lighting device inspection system 200 according to embodiment 2 in the configuration of the inspection device 90. The configurations other than the configuration of the inspection device 90 are the same as those of embodiment 1 or embodiment 2, and therefore description thereof will be omitted.
[0119] The inspection device 90 estimates the device inspection results regarding the external shape of the emergency lighting device 10 using a trained model created by AI (Artificial Intelligence). The inspection device 90 includes a learning device 910, a trained model storage unit 920, and an inference device 930. With this configuration, it is possible to obtain more accurate device inspection results.
[0120] 9 is a block diagram showing the configuration of a learning device 910 of a lighting device inspection system 300 according to Embodiment 3 of the present disclosure. The configuration of the learning device 910 will be described with reference to FIG.
[0121] The learning device 910 includes a first data acquisition unit 911 and a model generation unit 912. The first data acquisition unit 911 acquires acquired image data for learning and the results of an equipment inspection related to the external shape of the emergency lighting device 10 as learning data. The acquired image data for learning is image data obtained by photographing an inspection portion of a lighting fixture of the same model as the emergency lighting device 10. The acquired image data for learning is image data that has been visually confirmed by an operator during equipment inspection and determined to pass.
[0122] The model generation unit 912 learns the device inspection results for the external shape of the emergency lighting device 10 based on learning data created based on a combination of the acquired learning image data acquired by the first data acquisition unit 911 and the device inspection results for the external shape of the emergency lighting device 10. That is, the model generation unit 912 generates a trained model that infers the optimal device inspection results for the external shape of the emergency lighting device 10 from the acquired learning data of the lighting device inspection system 300 and the device inspection results for the external shape of the emergency lighting device 10. Here, the learning data is data in which the acquired learning image data and the device inspection results for the external shape of the emergency lighting device 10 are associated with each other.
[0123] The learning algorithm used by the model generation unit 912 may be a known algorithm such as supervised learning, unsupervised learning, reinforcement learning, etc. As an example, a case where a neural network is applied will be described.
[0124] The model generation unit 912 learns the equipment inspection results by so-called supervised learning, for example, according to a neural network model. Here, supervised learning refers to a method of providing a set of input and result (label) data to the learning device 910, learning the features of the learning data, and inferring the result from the input.
[0125] A neural network consists of an input layer consisting of multiple neurons, an intermediate layer (hidden layer) consisting of multiple neurons, and an output layer consisting of multiple neurons. The intermediate layer may be one layer or two or more layers.
[0126] Figure 10 is a schematic diagram showing a three-layer neural network model. In a three-layer neural network like the one shown in Figure 10, when multiple inputs are input to the input layer (X1-X3), the values are multiplied by weight W1 (w11-w16) and input to the middle layer (Y1-Y2), and the result is further multiplied by weight W2 (w21-w26) and output from the output layer (Z1-Z3). This output result changes depending on the values of weights W1 and W2.
[0127] In the learning device 910, the neural network learns the device inspection results regarding the external shape of the emergency lighting device 10 by so-called supervised learning in accordance with the learning acquired image data acquired by the first data acquisition unit 911 and the learning data created based on a combination of the device inspection results regarding the external shape of the emergency lighting device 10.
[0128] That is, the neural network learns by inputting acquired learning image data into the input layer and adjusting the weights W1 and W2 so that the results output from the output layer approach the device inspection results regarding the external shape of the emergency lighting device 10.
[0129] The model generation unit 912 generates and outputs a trained model by performing the above-described learning. The trained model storage unit 920 stores the trained model output from the model generation unit 912.
[0130] 11 is a flowchart showing the learning process of the learning device 910 of the lighting device inspection system 300 according to Embodiment 3 of the present disclosure. The learning process of the learning device 910 will be described with reference to FIG.
[0131] Step S301 begins when the learning device 910 starts the learning process. In step S301, the first data acquisition unit 911 acquires acquired image data for learning and device inspection results related to the external shape of the emergency lighting device 10. In step S301, the first data acquisition unit 911 acquires the data, and the process ends.
[0132] Step S302 is performed after the processing of step S301. In step S302, the model generation unit 912 learns the device inspection results regarding the external shape of the emergency lighting device 10 by so-called supervised learning in accordance with the learning data created based on a combination of the learning-use acquired image data acquired in step S301 and the device inspection results regarding the external shape of the emergency lighting device 10, and generates a trained model. In step S302, the processing is terminated when the model generation unit 912 generates the trained model.
[0133] Step S303 is performed after the processing of step S302. In step S303, the trained model storage unit 920 stores the trained model generated in step S302. In step S303, the processing ends when the trained model storage unit 920 stores the trained model. Furthermore, when step S303 ends, the learning device 910 ends the learning processing.
[0134] 12 is a block diagram showing a configuration of an inference device 930 of a lighting device inspection system 300 according to Embodiment 3 of the present disclosure. The configuration of the inference device 930 will be described with reference to FIG.
[0135] The inference device 930 includes a second data acquisition unit 931 and an inference unit 932. The second data acquisition unit 931 acquires acquired image data. The inference unit 932 infers an equipment inspection result related to the external shape of the emergency lighting device 10 obtained using the trained model. In other words, by inputting the acquired image data acquired by the second data acquisition unit 931 into this trained model, it is possible to output an equipment inspection result related to the external shape of the emergency lighting device 10 inferred from the acquired image data.
[0136] 13 is a flowchart showing the inference process of the inference device 930 of the lighting device inspection system 300 according to the third embodiment of the present disclosure. The inference process performed by the inference device 930 will be described with reference to FIG.
[0137] In step S311, the process starts when the learning device 910 starts the inference process. In step S311, the second data acquisition unit 931 acquires acquired image data. In step S311, the process ends when the second data acquisition unit 931 acquires the acquired image data.
[0138] Step S312 is performed after the processing of step S311. In step S312, the inference unit 932 acquires a trained model from the trained model storage unit 920, and inputs the acquired image data into the acquired trained model to obtain an equipment inspection result regarding the external shape of the emergency lighting device 10. In step S312, the inference unit 932 acquires an equipment inspection result regarding the external shape of the emergency lighting device 10, and the processing ends.
[0139] Step S313 is performed after the processing of step S312. In step S313, the inference unit 932 transmits the device inspection result regarding the external shape of the emergency lighting device 10 obtained in step S312 to the display device 40. In step S313, when the inference unit 932 transmits the device inspection result regarding the external shape of the emergency lighting device 10, the processing ends.
[0140] As described above, similar to the first embodiment, the data acquisition device 22 according to the third embodiment has an optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of a lighting device (corresponding to the emergency lighting device 10), acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, and an optical data transmission unit (corresponding to the transceiver unit 23) that transmits the optical data acquired by the optical data acquisition unit 24 to an external device (corresponding to the inspection device 90). With this configuration, the data acquisition device 22 according to the third embodiment achieves the same effects as those described in the first embodiment.
[0141] Furthermore, the lighting device inspection system 300 according to the third embodiment of the present disclosure includes an optical data acquisition unit 24 that, upon receiving an inspection start signal to start inspection of a lighting device (corresponding to the emergency lighting device 10), acquires optical data, which is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device, a determination unit (corresponding to the inference device 930) that determines an inspection result of the lighting device from the optical data acquired by the optical data acquisition unit 24, and an inspection result transmission unit (corresponding to the transceiver unit 31) that transmits the inspection result to a display unit 42 that displays the inspection result. With this configuration, the lighting device inspection system 300 according to the third embodiment achieves the same effects as those described in the first embodiment.
[0142] Furthermore, as an additional configuration, the data acquisition device 22 according to the third embodiment has the optical data including image data of a lighting device (corresponding to the emergency lighting device 10), and the determination unit (corresponding to the inference device 930) determines the inspection results regarding the external shape of the lighting device using a trained model estimated from a combination of image data of a lighting device of the same model as the lighting device and the inspection results. With this additional configuration, the data acquisition device 22 according to the third embodiment has the effect of being able to obtain highly accurate device inspection results.
[0143] Furthermore, as an additional configuration, the lighting device inspection system 300 according to the third embodiment has the optical data including image data of a lighting device (corresponding to the emergency lighting device 10), and the determination unit (corresponding to the inference device 930) determines the inspection results regarding the external shape of the lighting device using a trained model estimated from a combination of image data of a lighting device of the same model as the lighting device and the inspection results. With this additional configuration, the lighting device inspection system 300 according to the third embodiment has the effect of being able to obtain highly accurate device inspection results.
[0144] In the third embodiment, a case has been described in which supervised learning is applied to the learning algorithm used by the model generation unit, but the learning algorithm is not limited to this. As for the learning algorithm, reinforcement learning, unsupervised learning, semi-supervised learning, or the like can also be applied in addition to supervised learning.
[0145] The model generation unit may also learn device inspection results related to the external shapes of emergency lighting devices according to learning data created for multiple lighting device inspection systems. The model generation unit may acquire learning data from multiple lighting device inspection systems used in the same area, or may learn device inspection results related to the external shapes of emergency lighting devices using learning data collected from multiple lighting device inspection systems operating independently in different areas. It is also possible to add or remove lighting device inspection systems that collect learning data from the target system during the process. Furthermore, a learning device that has learned device inspection results related to the external shapes of emergency lighting devices for a certain lighting device inspection system may be applied to a different lighting device inspection system, and the device inspection results related to the external shapes of emergency lighting devices for the different lighting device inspection system may be re-learned and updated.
[0146] In addition, the learning algorithm used in the model generation unit can be deep learning, which learns to extract the features themselves, or machine learning can be performed according to other known methods, such as genetic programming, inductive logic programming, and support vector machines.
[0147] The learning device and the inference device are used to learn the device inspection results of the lighting device inspection system, but may be devices connected to the lighting device inspection system via a network and separate from the lighting device inspection system. The learning device and the inference device may also be built into the lighting device inspection system. Furthermore, the learning device and the inference device may exist on a cloud server.
[0148] Furthermore, in the third embodiment, the acquired image data for learning purposes and the equipment inspection results regarding the external shape of the emergency lighting device 10 are acquired simultaneously, but it is sufficient if the acquired image data for learning purposes and the equipment inspection results regarding the external shape of the emergency lighting device 10 can be input in association with each other, and the acquired image data for learning purposes and the equipment inspection results data regarding the external shape of the emergency lighting device 10 may be acquired at different times.
[0149] Furthermore, in the third embodiment, it has been described that the device inspection results regarding the external shape of the emergency lighting device 10 are output using a trained model trained by the model generation unit, but it is also possible to obtain a trained model from an external source, such as an inspection system for other lighting devices, and output the device inspection results regarding the external shape of the emergency lighting device 10 based on this trained model.
[0150] In addition, in the third embodiment, the acquired data for learning is image data that has been visually determined as passing by an operator during equipment inspection, but this is not limiting. The acquired data for learning may include both image data that has been determined as passing and image data that has been determined as failing during equipment inspection.
[0151] In addition, in the first to third embodiments, the lighting device inspection system is configured to inspect emergency lighting devices used in emergencies, but is not limited to this. The lighting device is not limited to emergency lighting devices, and may be, for example, lighting for home use or lighting that is turned on only by an external power source, such as a street light.
[0152] Furthermore, in the first to third embodiments, the lighting device inspection system is configured to perform both self-inspection and device inspection, but it may also be configured to perform only device inspection without performing self-inspection. Even when only device inspection is performed, the burden on the worker can be reduced because visual inspection by the worker can be omitted. Furthermore, the device inspection may also be configured to include an inspection of the external shape of the emergency power supply. By inspecting the external shape of the emergency power supply, it is possible to detect deterioration such as expansion or leakage of the emergency power supply.
[0153] In addition, in the first to third embodiments, the lighting device inspection system is configured to include an emergency lighting device as a component of the system, but the lighting device inspection system may be configured not to include an emergency lighting device as a component of the system. Any configuration may be used as long as optical data can be acquired from the lighting device.
[0154] In addition, in the first to third embodiments, the display device in the lighting device inspection system is configured as a separate device from the emergency lighting device, but this is not limited to this. That is, the emergency lighting device may be configured to have a display device configured as a display or the like.
[0155] In addition, in the first to third embodiments, the lighting device inspection system has a configuration in which the lighting device has two lighting circuits, a normal lighting circuit and an emergency lighting circuit, but this is not limited to this. The lighting device may have only an emergency lighting circuit, and be configured to charge except in emergencies and to light up in emergencies.
[0156] In addition, in the first to third embodiments, the lighting device inspection system is configured to include a display device as one of the system components, but the lighting device inspection system may be configured not to include a display device as one of the system components. The lighting device inspection system may be configured to be able to transmit inspection results to the display device.
[0157] Furthermore, in the first to third embodiments, the inspection system for a lighting device is configured such that the inspection device and the data acquisition device are separate devices, but the functions thereof may be realized by the same device.
[0158] In addition, in the first to third embodiments, the lighting device inspection system is configured such that the data acquisition device is mounted on a mobile body, but this is not limited to this. The data acquisition device may be configured to be installed at a data acquisition position without autonomous movement. Furthermore, there may be multiple data acquisition positions.
[0159] In addition, in the first to third embodiments, the lighting device inspection system is configured such that the mobile object moves to the data acquisition position based on the stored map, but this is not limiting. The mobile object may move by a method other than autonomous movement. For example, the system may be configured such that an operator has a terminal for remotely controlling the mobile object, and the mobile object is moved to the data acquisition position by remotely controlling the terminal.
[0160] In addition, in the first to third embodiments, the lighting device inspection system is configured to transmit an inspection start signal from the inspection device to the emergency lighting device and the mobile body, but is not limited to this. The inspection device may transmit an inspection start signal to the mobile body, and the mobile body may further transmit an inspection start signal to the lighting fixture.
[0161] The inspection start signal may be transmitted to the emergency lighting device and the data acquisition device simultaneously, or may be transmitted to one of them first.
[0162] Furthermore, in the first to third embodiments, the inspection is performed by the inspection device using the acquired image data, but this is not limiting. The acquired image data may be transmitted to an external device, and the worker may visually check the acquired image data to perform the inspection. Even in such a case, the worker can remotely perform the inspection using the acquired image data, thereby reducing the burden of visiting the site. Furthermore, the acquired image data may be composed of multiple image data.
[0163] Furthermore, in the first to third embodiments, whether or not the light source is on is determined based on the illuminance value and the luminance value, but this is not limiting. It may be configured to determine whether or not the light source is on based on either the illuminance value or the luminance value. It may also be configured such that the emergency lighting device displays the inspection result on a monitor, and the inspection device acquires the monitor display as image data. It may also be configured such that the inspection device acquires acquired image data including the light source, and an operator judges whether or not the light source is on based on the acquired image data.
[0164] Furthermore, in the first to third embodiments, a self-inspection of the lighting time is performed when the emergency lighting device is energized or whenever an inspection period has elapsed. With such a configuration, the lighting device inspection system can perform a self-inspection of the lighting time both when power is supplied to the light source from the normal lighting circuit and when power is supplied to the light source from the emergency lighting circuit. When inspecting the lighting time when power is supplied from a commercial power source, whether or not the light source is on is determined from acquired image data obtained by photographing the light source when power is being supplied from the commercial power source. When inspecting the lighting time when power is supplied from an emergency power source, whether or not the light source is on is determined from acquired image data obtained by photographing the light source when power is being supplied from the emergency power source.
[0165] In addition, in the first to third embodiments, the emergency lighting device performs inspections in the order of self-inspection of the lighting time when power is supplied from a commercial power source, self-inspection of the lighting time when power is supplied from an emergency power source, and self-inspection of the voltage of the emergency power source, but the inspection order is not limited to this.In addition, the configuration may be such that only some of the inspections can be selected and performed.
[0166] Furthermore, in the first to third embodiments, the voltage is measured using a voltmeter, but the method of acquiring the voltage is not limited to this. For example, the voltage to be measured may be connected to an analog input pin, and the processor and memory may convert the analog voltage to a digital value, which may then be processed to obtain the voltage. The voltage may also be acquired using a digital multimeter or an oscilloscope.
[0167] In addition, in the first to third embodiments, the luminance meter is configured to acquire the luminance of the light source, but this is not limiting. For example, if the emergency lighting device is an emergency light with a display surface, the luminance meter may be configured to acquire the luminance of the display surface.
[0168] The configurations described in the above embodiments are merely examples of the contents of the present disclosure, and may be combined with other known technologies. Furthermore, parts of the configurations may be omitted or modified without departing from the scope of the present disclosure.
[0169] Various aspects of the present disclosure will be summarized below as appendices. (Appendix 1) an optical data acquisition unit that, upon receiving an inspection start signal for starting inspection of the lighting device, acquires optical data that is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device; an optical data transmitting unit that transmits the optical data acquired by the optical data acquiring unit to an external device; A data acquisition device having: (Appendix 2) The optical data acquisition unit acquires image data obtained by photographing the lighting device. 2. The data acquisition device of claim 1. (Appendix 3) The optical data acquisition unit acquires data relating to an illuminance value at a predetermined position or a luminance value of a light source in the lighting device. 10. The data acquisition device of claim 1 or 2. (Appendix 4) The lighting device has an emergency lighting circuit for supplying power from an emergency power source to a light source of the lighting device in an emergency. 4. A data acquisition device according to any one of claims 1 to 3. (Appendix 5) The optical data acquisition unit acquires the optical data in a state in which power is supplied from the emergency power supply to the light source by the emergency lighting circuit. 5. The data acquisition device of claim 4. (Appendix 6) The optical data is image data captured so as to include the light source of the lighting device. 6. The data acquisition device of claim 5. (Appendix 7) An inspection start signal transmitting unit that transmits the inspection start signal is further included, The inspection start signal transmitting unit transmits the inspection start signal at predetermined intervals. 7. A data acquisition device according to any one of appendices 1 to 6. (Appendix 8) an inspection start signal transmitting unit that transmits the inspection start signal; The inspection start signal transmitting unit transmits the inspection start signal when the lighting device is energized. 8. A data acquisition device according to any one of appendices 1 to 7. (Appendix 9) The optical data acquisition unit autonomously moves to a predetermined position to acquire the optical data. 9. A data acquisition device according to any one of appendices 1 to 8. (Appendix 10) an optical data acquisition unit that, upon receiving an inspection start signal for starting inspection of the lighting device, acquires optical data that is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device; a determination unit that determines an inspection result of the lighting device from the optical data acquired by the optical data acquisition unit; an inspection result transmission unit that transmits the inspection result to a display unit that displays the inspection result; A lighting device inspection system having the above construction. (Appendix 11) the optical data includes image data obtained by capturing an image of the lighting device; The determination unit determines that the inspection result regarding the external shape of the lighting device is passed when a rate of match between a pre-stored image of the lighting device and image data taken from the same location as the image of the lighting device is equal to or greater than a predetermined threshold, and determines that the inspection result regarding the external shape is failed when a rate of match between the image of the lighting device and the image data is less than the threshold. 11. An inspection system for a lighting device according to claim 10. (Appendix 12) the optical data includes image data obtained by capturing an image of the lighting device; The determination unit determines the inspection result regarding the external shape of the lighting device using a trained model estimated from a combination of image data of a lighting device of the same model as the lighting device and the inspection result. 11. An inspection system for a lighting device according to claim 10. (Appendix 13) The optical data acquisition unit acquires image data obtained by photographing the lighting device. 13. A system for inspecting a lighting device according to claim 12. (Appendix 14) The optical data acquisition unit acquires data relating to an illuminance value at a predetermined position or a luminance value of a light source in the lighting device. 14. An inspection system for a lighting device according to claim 12 or 13. (Appendix 15) The lighting device has an emergency lighting circuit for supplying power from an emergency power source to a light source of the lighting device in an emergency. An inspection system for a lighting device according to any one of Supplementary Note 12 to Supplementary Note 14. (Appendix 16) The optical data acquisition unit acquires the optical data in a state in which power is supplied from the emergency power supply to the light source by the emergency lighting circuit. 16. A system for inspecting a lighting device as described in appended claim 15. (Appendix 17) The optical data is image data captured so as to include the light source of the lighting device. 17. The data acquisition device of claim 16. (Appendix 18) An inspection start signal transmitting unit that transmits the inspection start signal is further included, The inspection start signal transmitting unit transmits the inspection start signal at predetermined intervals. 18. An inspection system for a lighting device according to any one of appendices 12 to 17. (Appendix 19) an inspection start signal transmitting unit that transmits the inspection start signal; The inspection start signal transmitting unit transmits the inspection start signal when the lighting device is energized. 19. An inspection system for a lighting device according to any one of appendices 12 to 18. (Appendix 20) The optical data acquisition unit autonomously moves to a predetermined position to acquire the optical data. 20. An inspection system for a lighting device according to any one of appendices 12 to 19. [Explanation of symbols]
[0170] 10 Emergency lighting device, 11 Transmitter / receiver, 12 Self-inspection implementation unit, 20 Mobile body, 21 Mobile unit, 22 Data acquisition device, 23 Transmitter / receiver, 24 Optical data acquisition unit, 25 Photography unit, 26 Illuminance value acquisition unit, 27 Brightness value acquisition unit, 30 Inspection device, 31 Transmitter / receiver, 32 Judgment unit, 33 Memory unit, 40 Display device, 41 Receiving unit, 42 Display unit, 50 Emergency lighting device, 51 First lighting fixture, 52 Second lighting fixture, 60 Mobile body, 70 Inspection device, 80 Display device, 90 Inspection device, 100 Inspection system for lighting device, 101 Hardware interface, 102 Processor, 103 Memory, 104 Emergency power supply, 105 Light source, 106 Circuit, 110 Commercial power supply, 111 Flyback circuit, 112 Constant voltage circuit, 113 Charging circuit, 114 Normal lighting circuit, 115 emergency lighting circuit, 200 lighting device inspection system, 201 hardware interface, 202 moving mechanism, 203 camera, 204 illuminance meter, 205 luminance meter, 300 lighting device inspection system, 301 hardware interface, 302 processor, 303 memory, 304 storage, 401 hardware interface, 402 display, 500 network, 910 learning device, 911 first data acquisition unit, 912 model generation unit, 920 learned model memory unit, 930 inference device, 931 second data acquisition unit, 932 inference unit.
Claims
1. an optical data acquisition unit that, upon receiving an inspection start signal for starting inspection of the lighting device, acquires optical data that is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device; an optical data transmitting unit that transmits the optical data acquired by the optical data acquiring unit to an external device; A data acquisition device having:
2. The optical data acquisition unit acquires image data obtained by photographing the lighting device. The data acquisition device according to claim 1 .
3. The optical data acquisition unit acquires data relating to an illuminance value at a predetermined position or a luminance value of a light source in the lighting device. The data acquisition device according to claim 1 .
4. The lighting device has an emergency lighting circuit for supplying power from an emergency power source to a light source of the lighting device in an emergency. The data acquisition device according to claim 1 .
5. The optical data acquisition unit acquires the optical data in a state in which power is supplied from the emergency power supply to the light source by the emergency lighting circuit. The data acquisition device according to claim 4 .
6. The optical data is image data captured so as to include the light source of the lighting device. The data acquisition device according to claim 5 .
7. An inspection start signal transmitting unit that transmits the inspection start signal is further included, The inspection start signal transmitting unit transmits the inspection start signal at predetermined intervals. The data acquisition device according to claim 1 .
8. an inspection start signal transmitting unit that transmits the inspection start signal; The inspection start signal transmitting unit transmits the inspection start signal when the lighting device is energized. The data acquisition device according to claim 1 .
9. The optical data acquisition unit autonomously moves to a predetermined position to acquire the optical data. The data acquisition device according to claim 1 .
10. an optical data acquisition unit that, upon receiving an inspection start signal for starting inspection of the lighting device, acquires optical data that is data acquired from visible light emitted from an inspection portion of the lighting device or visible light reflected by the inspection portion of the lighting device; a determination unit that determines an inspection result of the lighting device from the optical data acquired by the optical data acquisition unit; an inspection result transmission unit that transmits the inspection result to a display unit that displays the inspection result; A lighting device inspection system having the above construction.
11. the optical data includes image data obtained by capturing an image of the lighting device; The determination unit determines that the inspection result regarding the external shape of the lighting device is passed when a rate of match between a pre-stored image of the lighting device and image data taken from the same location as the image of the lighting device is equal to or greater than a predetermined threshold, and determines that the inspection result regarding the external shape is failed when a rate of match between the image of the lighting device and the image data is less than the threshold. The inspection system for a lighting device according to claim 10.
12. the optical data includes image data obtained by capturing an image of the lighting device; The determination unit determines the inspection result regarding the external shape of the lighting device using a trained model estimated from a combination of image data of a lighting device of the same model as the lighting device and the inspection result. The inspection system for a lighting device according to claim 10.
Citation Information
Patent Citations
JP220378A