JP2020074304A - Facility management system - Google Patents

Abstract

To provide a light detector for detecting a light provided with a working power source and a facility management system including the light detector.SOLUTION: A light detector (3) includes: light detection sensors (33a, 33b, and 33c) which detect lights provided from light sources (23a, 23b, and 23c) of a pilot lamp (21); a light detection side communication device (35) which wirelessly transmits at least light detection signals of the light detection sensors (33a, 33b, and 33c); and a photoelectric conversion device (34) which converts the lights provided from the light sources (23a, 23b, and 23c) into power and store the power, and the light detection sensors (33a, 33b, and 33c) and the light detection side communication device (35) are activated by the power stored in the photoelectric conversion device (34).SELECTED DRAWING: Figure 3A

Description

  The present invention relates to a light detection device that detects light and an equipment management system including the light detection device.

  By allowing the existing equipment to transmit the operating status of the existing equipment to the outside, it is possible for the worker or the manager to easily grasp the operation status and improve the production efficiency. However, in order to transmit the operating status of the existing equipment to the outside, it is necessary to change the existing control equipment such as the software (ladder circuit) of the control controller (PLC) of the existing equipment, or to use the relay parts to take the input signal into the PLC. It is necessary to add new control equipment to the existing control panel such as addition. Therefore, costs and man-hours increase.

  Patent Document 1 describes a device that is provided in a signal indicator lamp installed in existing equipment and can transmit the operating status of the existing equipment from the existing equipment to the outside. That is, this device detects a signal indicating lamp that emits light according to the operating condition of the existing equipment, and transmits the detected signal to the outside by the wireless device. According to this device, it is not necessary to change the existing control device or add a new control device to the existing control panel.

JP 2004-6291 A

  However, the device described in Patent Document 1 requires a power source for operation from an existing facility, and there is a problem that the cost and the number of man-hours increase due to the addition of wiring and breakers.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a light detection device equipped with a power supply for operation for detecting light, and an equipment management system including the light detection device.

  The light detection device according to the present invention detects a light from a light source of an indicator lamp, a light detection side communication device that wirelessly transmits at least a light detection signal of the light detection sensor, and a light from the light source. And a photoelectric conversion device that converts the power into electric power and stores the electric power. The light detection sensor and the light detection side communication device operate with the electric power stored in the photoelectric conversion device.

  According to this, the photodetection sensor and the photodetection side communication device operate with electric power obtained by converting the light from the light source of the indicator lamp, and the photodetection side communication device wirelessly transmits a photodetection signal and the like. Therefore, the wiring for power supply from the existing equipment and the wiring for transmission with the external device are not required, and the operation can be performed simply by disposing the equipment in the vicinity of the indicator light, so that an increase in cost and man-hours can be suppressed. Further, since the photoelectric conversion device converts the light from the light source of the indicator light into electric power, the light detection device can operate even in a room where sunlight does not reach, and a device that does not depend on the surrounding environment can be configured. In addition, since the light from the indicator lamp, which is closer to the indoor illumination than the indoor illumination, is converted, the power conversion efficiency can be increased more than the light from the indoor illumination.

  An equipment management system according to the present invention includes the above-described photodetection device attached to equipment, a management-side communication device that receives a transmission signal from the photodetection-side communication device of the photodetection device attached to the equipment, and An equipment management apparatus that has an information display apparatus that displays information about a reception signal received by the management-side communication apparatus and that manages the equipment. According to this equipment management system, in addition to the effects of the above-described light detection device, the operation status of the equipment can be collectively managed by the equipment management device, so that the operating rate of the equipment can be improved and the burden on the operator can be reduced.

It is a schematic diagram of an equipment management system provided with a photodetector of an embodiment of the present invention. It is a figure which shows the signal indicator lamp of the installation to which a photon detection apparatus is applied. It is a figure which shows the detail of a photon detection apparatus. FIG. 3B is a diagram of FIG. 3A viewed by turning 90 degrees around the vertical axis of the signal indicator light. It is a figure which shows the circuit structure of a photon detection apparatus. It is a flow chart for explaining operation of a photon detection device.

(1. Configuration of facility management system equipped with light detection device)
An equipment management system including the light detection device according to the embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the facility management system 1 includes a plurality of facilities 2, a light detection device 3 attached to each facility 2, a facility management device 5 that manages each facility 2, and the like.

  The facility 2 is, for example, a processing device capable of cutting or grinding a workpiece. A signal indicator lamp 21 is provided on the upper part of the equipment 2 to notify the operating status of the equipment 2 by emitting light. As shown in FIG. 2, the signal indicator lamp 21 is of a general type, and is composed of hollow cylindrical translucent plastic cases 22a, 22b, and 22c that are stacked in three layers. The light sources 23a, 23b, and 23c such as LEDs are arranged inside.

  Then, the respective plastic cases 22a, 22b, 22c are colored red, yellow, and green, for example, in order from the upper layer, and are illuminated in red, yellow, green by the light emission of the respective light sources 23a, 23b, 23c. The signal indicator light 21 indicates, for example, that the operating status of the equipment 2 is abnormal when lit in red, indicates that the operating status of the equipment 2 is in need of maintenance when lit in yellow, and lights up in green. When it does, it indicates that the operating condition of the equipment 2 is normal.

  As shown in FIGS. 3A and 3B, the light detection device 3 includes a case 31, a mounting member 32, three light detection sensors 33a, 33b, 33c, a photoelectric conversion device 34, a light detection side communication device 35, a standby power supply 36, and the like. Equipped with. The photoelectric conversion device 34 includes three photovoltaic devices 37a, 37b, 37c, a power management module 38, a capacitor 39, and the like. The light detection side communication device 35 includes a wireless module 40, an antenna 41, and the like.

  The case 31 is formed in a hollow cylindrical shape, and contains a part of the photoelectric conversion device 34 (power management module 38 and capacitor 39), a light detection side communication device 35, a standby power supply 36, and the like. Then, it is placed on the upper surface of the signal indicating lamp 21 and fixed as necessary. Note that the case 31 is shown by a one-dot chain line to visualize the inside.

  The mounting member 32 is formed in a strip shape, and the upper portion of the mounting member 32 is fixed to the peripheral surface of the case 31 so as to hang down from the peripheral surface of the case 31 along the peripheral surface of the signal indicating lamp 21. The strip-shaped flexible wiring board 32a is provided so as to extend from the inside of the case 31 along the surface of the mounting member 32 on the signal indicating lamp 21 side.

  The light detection sensor 33a and the photo-generator 37a, the light detection sensor 33b and the photo-generator 37b, and the light detection sensor 33c are provided at positions on the flexible wiring board 32a that face the light sources 23a, 23b, and 23c of the signal indicator lamp 21. The photovoltaic devices 37c are electrically connected to each other. The light detection sensor 33a and the light generation device 37a, the light detection sensor 33b and the light generation device 37b, and the light detection sensor 33c and the light generation device 37c are covered with covers 42a, 42b, and 42c, respectively.

  The covers 42a, 42b and 42c are closely attached to the plastic cases 22a, 22b and 22c by a rubber frame (not shown). This can prevent intrusion of light and dust from the outside. When the light detection sensors 33a, 33b, 33c and the photovoltaic power generators 37a, 37b, 37c generate a large amount of heat, by providing a gap without providing the frame, the hot air inside the covers 42a, 42b, 42c is exposed to the outside. Can be released.

The light detection sensors 33a, 33b, 33c are light fluxes of light from the respective light sources 23a, 23b, 23c (amount of light (lm (lumen)) passing per unit time) or illuminance (luminous flux incident per unit area (1 m ² ). (Lx (lux)) is a photodiode that outputs a light detection signal of, for example, 0V-2V (varies depending on the amount of light or the luminous flux) The light detection sensors 33a, 33b, and 33c are provided on the flexible wiring board 32a. It is electrically connected to the wireless module 40 via.

  Photovoltaic devices 37a, 37b, 37c are, for example, crystalline silicon type solar cells that generate power with light from the light sources 23a, 23b, 23c. The photovoltaic devices 37a, 37b, 37c are electrically connected to the power management module 38 via the flexible wiring board 32a. The power management module 38 manages the power generation states of the photovoltaic power generators 37a, 37b, 37c, the remaining charge of the capacitor 39, and the remaining charge of the battery of the standby power supply 36.

  The capacitor 39 is electrically connected to the power management module 38 and stores the electric power generated by the photovoltaic devices 37a, 37b, 37c. The electric power stored in the capacitor 39 is used for operating the light detection sensors 33a, 33b, 33c and the wireless module 40.

  The wireless module 40 includes a light detection signal (a voltage signal or an on / off signal obtained by calculating a voltage) of the light detection sensors 33a, 33b, and 33c, an ID of the facility 2, a remaining charge of the capacitor 39, a remaining battery charge of the standby power supply 36, and a capacitor. A switching signal from 39 to the standby power supply 36, radio field intensity, etc. are wirelessly transmitted. The antenna 41 is electrically connected to the wireless module 40.

  The backup power source 36 is a dry-cell battery that has been used up, and is switched from the capacitor 39 to switch the power of the backup power source 36 at the initial stage when the power is not yet stored in the capacitor 39 or when the storage capacity is deteriorated due to deterioration of the capacitor 39. Are used to operate the light detection sensors 33a, 33b, 33c and the wireless module 40. As the standby power supply 36, a rechargeable dry battery capable of storing the electric power generated by the photovoltaic devices 37a, 37b, 37c may be used. As a result, it is possible to reduce the burden on the operator for replacing the battery.

  As shown in FIG. 1, the facility management device 5 includes a management-side communication device 51 and an information display device 52. The management-side communication device 51 receives the transmission signal from the light-detection-side communication device 35 of the light-detection device 3. The information display device 52 displays the information of the reception signal received by the management-side communication device 51 on the display unit 52a. The display unit 52a displays the light detection signals of the light detection sensors 33a, 33b, 33c, the ID of the equipment 2, the remaining capacity of the capacitor 39, the remaining battery level of the standby power supply 36, the switching signal from the capacitor 39 to the standby power supply 36, The signal strength etc. is displayed. When the battery level of the standby power supply 36 or the radio field intensity decreases, a warning or the like is also displayed.

  The facility management device 5 may be configured to be portable by a worker, or may be incorporated into a host that centrally manages the operation of each facility 2. By visually recognizing the display on the display unit 52a of the information display device 52, the operator can grasp the operation status of the equipment 2 according to the lighting of the signal indicator lamp 21.

(2. Circuit configuration and circuit operation of photodetector)
As shown in FIG. 4, the three photovoltaic devices 37a, 37b, 37c are connected to the power management module 38 via the power lines L1, L2. A capacitor 39 is connected to the power management module 38 via power lines L3 and L4 and a switch 39a that can be switched on and off automatically. The switch 39a is connected to the wireless module 40 via the signal line L10. Three light detection sensors 33a, 33b, 33c and a wireless module 40 are connected to the capacitor 39 via power lines L5, L6.

  The standby power supply 36 is connected to the three light detection sensors 33a, 33b, 33c and the wireless module 40 via power lines L7, L8 and a switch 36a that can be manually switched on and off. The power management module 38 is connected to the wireless module 40 via the signal line L11, and the three light detection sensors 33a, 33b, 33c are connected to the wireless module 40 via the signal lines L12, L13, L14. ..

  Each of the photovoltaic devices 37a, 37b, 37c inputs the power to be generated into the power management module 38 via the power lines L1, L2. When the power management module 38 receives power from each of the photovoltaic devices 37a, 37b, 37c, the power management module 38 stores the input power in the capacitor 39 via the power lines L3, L4, and wirelessly outputs a power input signal via the signal line L11. Input to module 40. Upon receiving the power input signal from the power management module 38, the wireless module 40 outputs a switch-on signal to the switch 39a via the signal line L10 to turn on the switch 39a.

  Each of the light detection sensors 33a, 33b, 33c receives electric power from the capacitor 39 and detects light from each of the light sources 23a, 23b, 23c, and outputs a light detection signal to the wireless module 40 via the signal lines L12, L13, L14. To enter. When the wireless module 40 receives the power from the capacitor 39 and the power input signal from the power management module 38, the wireless module 40 wirelessly transmits the light detection signal to the management-side communication device 51 of the facility management device 5.

  The wireless module 40 stores in advance thresholds of light detection signals input from the respective light detection sensors 33a, 33b, 33c. The luminous flux or illuminance of the light from the light sources 23a, 23b, and 23c has different values depending on the facility 2 or the changes over time of the light sources 23a, 23b, and 23c, and thus the detection signals from the light detection sensors 33a, 33b, and 33c are threshold values. When it exceeds, it can be recognized as light from the light sources 23a, 23b, 23c.

(3. Operation of photodetector)
Next, the operation of the light detection device 3 will be described with reference to the drawings. Here, it is assumed that the light detection device 3 is set in the signal indicating lamp 21 of the facility 2 with the switch 36a in the off state and the standby power supply 36 in the non-connection state. The wireless module 40 determines whether or not a light detection signal is acquired from the light detection sensors 33a, 33b, 33c via the signal lines L11, L12, L13 (step S1 in FIG. 5).

  When the wireless module 40 determines that the light detection signal is acquired, the wireless module 40 determines whether the acquired light detection signal exceeds the threshold value (step S2 in FIG. 5). When the wireless module 40 determines that the acquired light detection signal does not exceed the threshold value, the wireless module 40 determines that the light from the light sources 23a, 23b, and 23c is not detected, and returns to step S1 to perform the above-described processing. repeat.

  On the other hand, in step S2, when the wireless module 40 determines that the acquired light detection signal exceeds the threshold, the acquired light detection signal is the detection signal (first detection signal) from the light detection sensor 33a via the signal line L11. ) Is determined (step S3 in FIG. 5). When the wireless module 40 determines that the acquired light detection signal is the detection signal (first detection signal) from the light detection sensor 33a via the signal line L11, the detection light is the light from the light source 23a. Therefore, a signal indicating that the equipment 2 is operating normally is wirelessly transmitted to the management-side communication device 51 of the equipment management device 5 (step S4 in FIG. 5), and the process returns to step S1 to repeat the above-described processing.

  The information display device 52 of the equipment management device 5 displays that the equipment 2 is operating normally on the display unit 52a based on the normal operation signal received by the management-side communication device 51. Thereby, the worker can recognize that the equipment 2 is operating normally.

  On the other hand, in step S3, when the wireless module 40 determines that the acquired light detection signal is not the first detection signal, the acquired light detection signal is the detection signal from the light detection sensor 33b via the signal line L12 (second It is determined whether it is a detection signal) (step S5 in FIG. 5). When the wireless module 40 determines that the acquired light detection signal is the detection signal (second detection signal) from the light detection sensor 33b via the signal line L12, the detection light is the light from the light source 23b. Therefore, a signal indicating that the facility 2 needs maintenance is wirelessly transmitted to the management-side communication device 51 (step S6 in FIG. 5), and the process returns to step S1 to repeat the above-described processing.

  The information display device 52 displays the fact that the facility 2 requires maintenance on the display portion 52a based on the maintenance signal received by the management-side communication device 51. Thereby, the worker can recognize that the equipment 2 needs maintenance, and therefore, the operator moves to the equipment and performs appropriate maintenance.

  On the other hand, in step S5, when the wireless module 40 determines that the acquired light detection signal is not the second detection signal, the acquired light detection signal is detected by the light detection sensor 33c via the signal line L13 (third detection signal). It is determined whether or not it is a detection signal) (step S7 in FIG. 5). Then, when the wireless module 40 determines that the acquired light detection signal is the third detection signal, the detection light is light from the light source 23c, and therefore a signal indicating that the facility 2 is performing an abnormal operation is output. The data is wirelessly transmitted to the management-side communication device 51 (step S8 in FIG. 5), the process returns to step S1 and the above-described processing is repeated.

  The information display device 52 displays that the equipment 2 is in abnormal operation on the display part 52a based on the abnormal operation signal received by the management-side communication device 51. This allows the worker to recognize that the equipment 2 is operating abnormally, and moves to the equipment to perform an appropriate restoration process.

  On the other hand, in step S7, when the wireless module 40 determines that the acquired light detection signal is the third detection signal, it determines that the light detection sensors 33a, 33b, 33c are abnormal, and outputs a signal to that effect. The data is wirelessly transmitted to the management-side communication device 51 (step S9 in FIG. 5), and the process ends.

  The information display device 52 displays that the light detection sensors 33a, 33b, 33c are abnormal on the display unit 52a based on the abnormal signal received by the management-side communication device 51. Thereby, the worker can recognize that the light detection sensors 33a, 33b, 33c are abnormal, and therefore, the worker moves to the facility and performs an appropriate restoration process.

(4. Configuration of another form of facility management system including light detection device)
In the above-described embodiment, the light-detection-side communication device 35 has a transmission function and the management-side communication device 51 has a reception function. However, both the light-detection-side communication device 35 and the management-side communication device 51 are provided. It may be configured to have a transmission / reception function. When the management side communication device 51 wants to change the setting signal for operating the light detection device 3, for example, the threshold of the light detection signal input from each of the light detection sensors 33a, 33b, and 33c, the management side communication device 51 outputs the setting signal of the threshold. The data is wirelessly transmitted to the detection side communication device 35.

  As a result, even if the luminous flux or illuminance of the light from the light sources 23a, 23b, 23c changes due to the change over time of the light sources 23a, 23b, 23c, the worker moves to the corresponding facility 2 and performs the above threshold value changing work. There is no need, and the number of steps can be reduced.

(5. Other)
In the above embodiment, the light detection sensors 33a, 33b, 33c are sensors that detect the luminous flux or illuminance of the light from the light sources 23a, 23b, 23c, but the plastic cases 22a, 22b, 22c are transmitted. It may be a sensor that detects the colors of red, yellow, and green light. Further, although the light detection sensors 33a, 33b, 33c are sensors that output a light detection signal of 0V-2V, they are in an off state when light is not detected and are in an on state when light is detected. It may be a sensor.

  Further, the wireless module 40 of the light-detection-side communication device 35 wirelessly transmits the light-detection signal to the management-side communication device 51 of the facility management device 5 when the power input signal is input from the power management module 38 of the photoelectric conversion device 34. However, the light detection signal may be wirelessly transmitted to the management-side communication device 51 of the facility management device 5 at regular time intervals regardless of whether or not the power input signal is input. As a result, it is not necessary for the worker to move to the corresponding facility 2 to check the operating state of the light detection side communication device 35, and the number of steps can be reduced. Further, the signal indicator lamp 21 applicable to the light detection device 3 is not limited to the light source of three colors, and may be a light source of an arbitrary number of colors or a single light source whose emission color changes. is there.

(6. Effects of the embodiment)
The light detection device 3 of the present embodiment outputs the light detection signals of the light detection sensors 33a, 33b, 33c that detect light from the light sources 23a, 23b, 23c of the indicator lamp 21 and at least the light detection sensors 33a, 33b, 33c. A light detection side communication device 35 that wirelessly transmits, and a photoelectric conversion device 34 that converts light from the light sources 23a, 23b, and 23c into electric power and stores the electric power. The light detection sensors 33a, 33b, and 33c, and the light detection side communication. The device 35 operates with the electric power stored in the photoelectric conversion device 34.

  According to this, the photodetection sensors 33a, 33b, 33c and the photodetection side communication device 35 operate with the power converted from the light from the light sources 23a, 23b, 23c of the indicator lamp 21, and the photodetection side communication device 35 , Wirelessly transmits a light detection signal or the like. Therefore, wiring for power supply from the existing facility 2 and wiring for transmission to an external device are not required, and since the wiring can be operated simply by disposing it in the vicinity of the indicator light 21, an increase in cost and man-hours can be suppressed. .. Further, since the photoelectric conversion device 34 converts the light from the light sources 23a, 23b, 23c of the indicator light 21 into electric power, the light detection device 3 can operate even in a room where sunlight does not reach, and the surrounding environment. A device that does not depend on In addition, since the light from the indicator lamp, which is closer to the indoor illumination than the indoor illumination, is converted, the power conversion efficiency can be increased more than the light from the indoor illumination.

Further, the light detection side communication device 35 operates when the light detection sensors 33a, 33b, 33c detect light from the light sources 23a, 23b, 23c, so that power saving can be achieved and the operating condition of the equipment can be improved. It can be reliably transmitted.
Further, the light detection side communication device 35 stores the threshold value of the light detection signals of the light detection sensors 33a, 33b, 33c in advance, and operates when the light detection signal exceeds the threshold value, so that the equipment 2 or the light sources 23a, 23b. , 23c with time, the luminous flux or illuminance of the light from the light sources 23a, 23b, 23c may have different values.

Further, since the light-detection-side communication device 35 operates at regular time intervals, it is not necessary for an operator to move to the corresponding facility 2 to check the operating state of the light-detection-side communication device 35, which reduces man-hours. it can.
Further, since the photodetector 3 is provided with a standby power supply 36 capable of supplying power for operating the photodetection sensors 33a, 33b, 33c and the photodetection side communication device 35 instead of the photoelectric conversion device 34, the photoelectric conversion device 34 is provided. Even in the initial stage where electric power is not yet stored, or when the photoelectric conversion device 34 has deteriorated in power storage capacity due to aging or the like, it is possible to reliably deal with it.

Further, since the backup power source 36 is a rechargeable battery that can charge the electric power converted by the photoelectric conversion device 34, it is possible to reduce the workload of the worker for battery replacement.
Further, the light detection side communication device 35 wirelessly transmits a switching signal when switching from the photoelectric conversion device 34 to the standby power supply 36, so that the worker can recognize the abnormality of the photoelectric conversion device 34 even if the operator is away from the facility 2.

Further, the light detection device 3 includes at least the light detection sensors 33a, 33b, 33c, the light detection side communication device 35, and the photoelectric conversion device 34, and includes an attachment member 32 that can be attached to the light sources 23a, 23b, 23c. Since the detection-side communication device 35 is arranged above the mounting member 32, it is possible to ensure a good radio wave condition and reliably perform transmission.
Further, since the mounting member 32 includes the covers 42a, 42b, 42c that cover the light detection sensors 33a, 33b, 33c, it is possible to prevent light and dust from entering from the outside.

Further, since the covers 42a, 42b, 42c cover the photoelectric conversion device 34, it is possible to prevent dust from entering from the outside.
Further, since the indicator lamp 21 displays the state of the processing apparatus for the workpiece, the operator can grasp the operating status of the processing apparatus at a remote place without being near the processing apparatus.

  The equipment management system 1 of the present embodiment is a transmission signal from the light detection device 3 attached to the indicator light 21 for displaying the state of the equipment 2 and the light detection side communication device 35 of the light detection device 3 attached to the indication light 21. The management side communication device 51 that receives the information and the information display device 52 that displays the information of the reception signal received by the management side communication device 51, and the facility management device 5 that manages the facility 2. According to this equipment management system 1, in addition to the effect of the above-mentioned light detection device 3, the operation status of the equipment 2 can be collectively managed by the equipment management device 5, so that the operating rate of the equipment 2 can be improved and the operator Can reduce the burden of.

  Further, the light-detection-side communication device 35 and the management-side communication device 51 have a transmission / reception function, and the light-detection device 3 receives the light-detection-side communication device 35 from the management-side communication device 51. Since the operation is performed based on the operation setting signal, it is not necessary for the worker to move to the corresponding facility 2 to set the light detection device 3, and the number of steps can be reduced.

1: Equipment management system, 2: Equipment, 3: Light detection device, 5: Equipment management device, 21: Signal indicator light, 23a, 23b, 23c: Light source, 31: Case, 32: Mounting member, 33a, 33b, 33c : Light detection sensor, 34: Photoelectric conversion device, 35: Light detection side communication device, 36: Standby power supply, 37a, 37b, 37c: Photoelectric power generation device, 38: Power management module, 39: Capacitor, 40: Wireless module, 41 : Antenna, 42a, 42b, 42c: Cover, 51: Management side communication device, 52: Information display device

The present invention relates to equipment management system comprising an optical detection equipment which detects the light.

The present invention has been made in view of such circumstances, and an object thereof is to provide a facility management system comprising a light detection equipment for detecting the light with power for operation.

Facility management system according to the present invention, an optical detection sensor which detects the light from a light source of a display lamp for displaying the state of the processing apparatus of the workpiece as an indoor facility, radio transmits at least light detection signal of the light sensor A light detection side communication device , a light detection device having a power source capable of supplying electric power for operating the light detection sensor and the light detection side communication device , and the light detection of the light detection device attached to the indicator light A management side communication device that receives a wireless transmission signal from the side communication device, and an equipment management device that has an information display device that displays information of the received signal received by the management side communication device, and a facility management device that manages the facility, Equipped with.

The indicator lamp includes a plastic case and the light source disposed inside the plastic case, and the light detection device includes at least the light detection sensor, the light detection side communication device, and the photoelectric conversion device. A mounting member attachable to the plastic case of the indicator lamp, the photodetection-side communication device is disposed on an upper portion of the mounting member, and the mounting member covers the photodetection sensor and covers the plastic case. A cover is attached to the outer surface via a rubber frame.

According to this, the photodetection sensor and the photodetection side communication device operate with the built-in power source, and the photodetection side communication device wirelessly transmits a photodetection signal and the like. Therefore, the wiring for power supply from the existing equipment and the wiring for transmission with the external device are not required, and the operation can be performed simply by disposing the equipment in the vicinity of the indicator light, so that an increase in cost and man-hours can be suppressed. In addition, since various facilities are shielded around the processing facility such as a factory, stable communication may be hindered depending on the position of the communication device. On the other hand, the indicator lamp is often a place with good visibility, that is, a place where the line of sight is not easily shielded from the surroundings due to its role, which is an environment where communication is not easily disturbed. However, since the light-detection-side communication device is installed above the mounting member of the indicator light, it is possible to ensure ease of installation and at the same time to establish stable wireless communication. Further, since the light detection sensor is covered with the cover, and the cover is brought into close contact with the outer periphery of the plastic case via the rubber frame, it is possible to prevent light and dust from entering from the outside. Further, since the operation status of the equipment can be collectively managed by the equipment management device, the operating rate of the equipment can be improved and the burden on the operator can be reduced.

Claims (13)

A light detection sensor that detects the light from the light source of the indicator light,
At least a light detection side communication device for wirelessly transmitting a light detection signal of the light detection sensor,
A photoelectric conversion device that converts light from the light source into electric power and stores the electric power,
Equipped with
The light detection sensor and the light detection side communication device are operated by the electric power stored in the photoelectric conversion device.   The light detection device according to claim 1, wherein the light detection side communication device is activated when the light detection sensor detects light from the light source.   The photodetection device according to claim 1, wherein the photodetection side communication device stores a threshold value of a photodetection signal of the photodetection sensor in advance, and operates when the photodetection signal exceeds the threshold value.   The photodetection device according to claim 1, wherein the photodetection side communication device operates at regular time intervals. The light detection device,
The photodetection device according to claim 1, further comprising a standby power supply capable of supplying electric power for operating the photodetection sensor and the photodetection side communication device, instead of the photoelectric conversion device.   The light detection device according to claim 5, wherein the standby power supply is a rechargeable battery capable of charging electric power converted by the photoelectric conversion device.   The photodetection device according to claim 5, wherein the photodetection side communication device wirelessly transmits a switching signal when switching from the photoelectric conversion device to the standby power supply. The light detection device,
At least the light detection sensor, the light detection side communication device and the photoelectric conversion device is provided with an attachment member that can be attached to the light source,
The light detection device according to any one of claims 1 to 7, wherein the light detection communication device is arranged on an upper portion of the mounting member.   The light detection device according to claim 8, wherein the mounting member includes a cover that covers the light detection sensor.   The light detection device according to claim 9, wherein the cover covers the photoelectric conversion device.   The light detection device according to any one of claims 1 to 10, wherein the indicator light displays a state of a processing device for a workpiece. The light detection device according to any one of claims 1 to 11, wherein the light detection device is attached to an indicator light for displaying a state of equipment.
A management-side communication device that receives a transmission signal from the light-detection-side communication device of the light-detection device that is attached to the indicator light, and an information display device that displays information of the reception signal received by the management-side communication device are provided. And an equipment management device for managing the equipment,
A facility management system equipped with. The light-detection-side communication device and the management-side communication device have a transmission / reception function,
13. The facility management system according to claim 12, wherein the light detection device operates based on a setting signal for operation of the light detection device, which is received by the light detection communication device and transmitted from the management communication device.

Images