JP2021057155A - Lighting system - Google Patents

Abstract

To provide a lighting system capable of improving a utilization method for emergency lighting in situations other than complying with the law.SOLUTION: A lighting system includes: a lighting device; an emergency power supply installed outside the lighting device; and a control unit to control the lighting of the lighting device. The control unit makes a transition to the state where the lighting mode of the lighting device can be changed, after predetermined conditions are satisfied after the supply source of power for the lighting device is switched from a commercial power supply to the emergency power supply. The lighting device lights up in a lighting mode according to a voltage supplied from the control unit.SELECTED DRAWING: Figure 3

Description

The present disclosure relates to a lighting system.

Conventionally, an emergency lighting device that lights up in an emergency such as a power failure or a disaster has been known. In such an emergency lighting device, a storage battery is arranged together with a light source and a power supply unit in a fixture main body installed on the ceiling or the like, and the light source is turned on by the power supply of the storage battery in an emergency such as a power failure.

Japanese Unexamined Patent Publication No. 2004-185978

By the way, in such an emergency lighting device, the lighting time in an emergency is stipulated by law, and it is necessary to continuously turn on the lighting for a predetermined time. However, there is room for improvement regarding the usage of emergency lighting equipment in situations other than those that comply with the law.

Therefore, this disclosure proposes a lighting system that can improve the usage of emergency lighting in situations other than those in compliance with laws and regulations.

The lighting system according to an example of the embodiment includes a lighting device, an emergency power supply installed outside the lighting device, and a control device for controlling the lighting of the lighting device. The control device transitions to a state in which the lighting mode of the lighting device can be changed after a predetermined condition is satisfied after the power supply source for the lighting device is switched from the commercial power source to the emergency power source. The lighting device lights in a lighting mode according to the voltage supplied from the control device.

FIG. 1 is a diagram schematically showing a configuration example of a lighting system according to an embodiment. FIG. 2 is a block diagram showing an example of the functional configuration of the control device according to the embodiment. FIG. 3 is a diagram showing an outline of dimming control data according to the embodiment. FIG. 4 is a diagram showing an example of the dimming rate of the normal lighting according to the embodiment. FIG. 5 is a flowchart showing an example of a processing procedure of the control unit included in the control device according to the embodiment.

The illumination system 1 according to the embodiments described below, the illumination device _{10 1,} 10 _2, 10 3, 10 _4, the lighting device _{10 1,} 10 _2, 10 3, 10 ₄ of the emergency power source installed outside 22 and a control device 30 for controlling the lighting of the lighting devices 10 ₁ , 10 ₂ , 10 ₃ , 10 _4. Controller 30, the illumination device _{10 1,} 10 _2, 10 3, 10 ₄ after the power source of a predetermined condition from the switches to emergency power supply 22 from the commercial power source A is satisfied for the illumination device ₁₀ 1, The lighting mode of 10 ₂ , 10 ₃ , 10 ₄ is changed to a changeable state. The lighting devices 10 ₁ , 10 ₂ , 10 ₃ , 10 ₄ are lit in a lighting mode according to the voltage supplied from the control device 30.

Further, the control device 30 according to the embodiment described below is used until a predetermined condition is satisfied with respect _{to a lighting device (for example, lighting devices 10 1} , 10 _{3) to which the use is assigned as emergency lighting.} During that time, a predetermined voltage for lighting at 100% dimming is supplied.

The control device 30 according to the embodiment described below, relative to not assigned use as emergency lighting illuminating device (e.g., the illumination device 10 _2, 10 _4), until a predetermined condition is satisfied During that time, a predetermined voltage for lighting at a dimming degree corresponding to the capacity of the electric power remaining in the emergency power supply 22 is supplied.

Further, in the embodiment described below, the predetermined condition is the passage of a predetermined time predetermined by law.

Hereinafter, the lighting system according to the embodiment will be described with reference to the drawings. In the following embodiments, components having the same parts or substantially the same function may be designated by the same reference numerals and duplicate description may be omitted. _{For example, when it is not necessary to particularly distinguish the lighting devices 10 1} , 10 ₂ , 10 ₃ , 10 ₄ constituting the lighting system 1, it is simply described as the lighting device 10.

[Embodiment]
<Overview>
The outline of the lighting system 1 according to the embodiment will be described with reference to FIG. FIG. 1 is a diagram schematically showing a configuration example of a lighting system according to an embodiment.

As shown in FIG. 2, the lighting system 1 includes an illumination apparatus _{10 1,} 10 _2, 10 3, 10 _4, and another置電source 20, and a control device 30.

Each lighting device 10 shown in FIG. 1 is, for example, a lighting device installed in a predetermined facility or the like, and receives power from a commercial power source A or an emergency power source 22 through a power line 3 or a power line 4 and has a predetermined range. Can be illuminated.

Each lighting device 10 includes a light source 11, an IoT (Internet of Things) device 12, and the like, and lights in a predetermined lighting mode according to the power from the commercial power source A and the emergency power source 22. The illumination target is a concept including a dimming rate, and may include illuminance and blinking other than the dimming rate.

The light source 11 is configured to include, for example, a semiconductor light emitting element such as an LED (Light Emitting Diode), and is lit according to a DC voltage supplied from the control device 30 through a light source lighting circuit (not shown). In each lighting device 10, the voltage value of the DC voltage supplied through the power line 3 or the power line 4 is associated with the dimming rate of 0 to 100% in advance, and the light source 11 is supplied through the power line 3 or the power line 4. It lights at a dimming rate according to the voltage value of the DC voltage.

The IoT device 12 is, for example, a wireless communication module, a beacon, or the like, and operates by electric power supplied through a power supply circuit (not shown).

Each of the lighting devices 10 ₁ , 10 ₃ is an emergency lighting (emergency light) to which the use in an emergency such as a power failure is assigned, for example, at predetermined intervals so as to satisfy the irradiation mode determined by the law. Be placed. Each lighting device 10 _2, 10 _4, for example, an emergency light is not allocated use as (emergency lighting) for normal illumination (usually light).

The separate power supply 20 is installed outside the lighting device 10 (for example, a predetermined facility in which the lighting system 1 is introduced) and is connected to the control device 30 via the power line 2. The separate power supply 20 supplies power from the commercial power supply A which is an AC power supply and the emergency power supply 22 which is a DC power supply to the control device 30 through the power line 2. The separate power supply 20 includes a switching unit 21 and an emergency power supply 22. The switching unit 21 switches between the commercial power supply A, which is the power supply source for the lighting device 10, and the emergency power supply 22. When the power supply from the commercial power supply A is cut off, the switching unit 21 switches the power supply source for the lighting device 10 to the emergency power supply 22.

The emergency power supply 22 includes a rechargeable storage battery such as a Li (lithium) ion battery that supplies power to the lighting device 10 when the power supply is cut off by the commercial power supply A. In an emergency, the lighting device 10 ₁ assigned to be used as emergency lighting lights the light source 11 by using the electric power supplied from the emergency power supply 22.

The control device 30 is connected to the separate power supply 20 via the power line 2. The control device 30 receives the electric power supplied from the separate power source 20 through the power line 2. Controller 30, via the power line 3 is connected to the illumination devices ₁₀ 1, 10 _3, via the power line 4, it is connected to the illumination devices ₁₀ 2, 10 _4. The control device 30 controls the lighting of the lighting device 10 by applying a predetermined voltage to the power lines 3 and 4. The control device 30 can convert the AC power from the separate power supply 20 into DC power according to each lighting device 10 that uses DC power.

_{For example, the control device 30 is an emergency lighting device 10 1} , 10 from the time when the power supply source for the lighting device 10 is switched from the commercial power supply A to the emergency power supply 22 until a predetermined condition is satisfied. _{A predetermined voltage for lighting 3} at a dimming degree of 100% is supplied to the _{lighting devices 10 1} and 10 _3. The predetermined condition is, for example, the passage of a predetermined time predetermined by law. 30 minutes can be exemplified as a predetermined time predetermined by law. Further, the control device 30 is determined to light the lighting devices 10 ₂ and 10 ₄ which are normal lighting at a dimming intensity according to the capacity of the electric power remaining in the emergency power supply 22 until the predetermined conditions are satisfied. supplying a voltage to the illumination devices ₁₀ 2, 10 _4.

The control device 30 transitions to a state in which the lighting mode of the lighting device 10 can be changed after a predetermined condition is satisfied after the power supply source for the lighting device 10 is switched from the commercial power supply A to the emergency power supply 22. For example, the controller 30 can supply a predetermined voltage for turning on the lighting devices ₁₀ 1, 10 ₃ which is a emergency lighting at any dimming in the lighting devices ₁₀ 1, 10 _3.

Conventionally, emergency lighting only keeps lighting at a predetermined dimming degree even after the time stipulated by law has passed, and sufficient consideration is given to how to use emergency lighting after the time stipulated by law has passed. It has not been. On the other hand, the control device 30 according to the embodiment changes the lighting mode of the lighting device 10 after a predetermined condition is satisfied after the power supply source for the lighting device 10 is switched from the commercial power supply A to the emergency power supply 22. Transition to a changeable state. As a result, the lighting system 1 according to the first embodiment can light the lighting device 10 after the predetermined condition is satisfied at an arbitrary dimming degree. For example, the lighting system 1 of the emergency lighting device in a scene other than the law. The usage can be improved.

<Function configuration example>
An example of the functional configuration of the control device 30 according to the embodiment will be described with reference to FIG. FIG. 2 is a block diagram showing an example of the functional configuration of the control device according to the embodiment.

As shown in FIG. 3, the control device 30 includes a power receiving unit 31, an operating unit 32, an applying unit 33, a storage unit 34, and a control unit 35.

The power receiving unit 31 can receive power supplied from the commercial power source A or the emergency power source 22 through the power line 2.

The operation unit 32 receives an operation input by a user who is an administrator of the control device 30. The operation unit 32 can receive an inspection operation for confirming the state of the emergency power supply 22 mounted on the separate power supply 20 from a user who is an administrator.

The application unit 33 applies a voltage corresponding to the control signal from the control unit 35 to each of the power line 2 and the power line 3. _{Specifically, when the application unit 33 receives the dimming signal for the lighting devices 10 1} , 10 ₃ from the control unit 35, the application unit 33 converts the received dimming signal into a voltage value and corresponds to the converted voltage value. A DC voltage is applied to the power line 2. Similarly, application unit 33 receives the illumination device 10 _2, the optical signal tone for 10 ₄ from the control unit 35, converts the optical signal modulating the received voltage value, the DC voltage corresponding to the converted voltage value Is applied to the power line 3.

The storage unit 34 stores programs and data for realizing various controls of the control device 30. The storage unit 34 is mounted by, for example, a semiconductor memory element such as a RAM (Random Access Memory) or a flash memory (Flash Memory), or a storage device such as a hard disk or an optical disk.

The storage unit 34 includes a dimming control data storage unit 34a. The dimming control data storage unit 34a stores dimming control data for controlling the dimming rate of the lighting device 10. FIG. 3 is a diagram showing an outline of dimming control data according to the embodiment. FIG. 4 is a diagram showing an example of the dimming rate of the normal lighting according to the embodiment.

As shown in FIG. 3, the dimming control data determines the lighting mode corresponding to each of the emergency lighting and the normal lighting. For example, the lighting mode includes a lighting mode 1 and a lighting mode 2.

The lighting mode 1 defines a predetermined condition, that is, a lighting mode of the lighting device 10 before the lapse of a predetermined time specified by a law. For example, in the lighting mode 1, the lighting devices 10 ₁ and 10 ₃ which are emergency lighting can be lit at a dimming rate of 100% before the predetermined condition is satisfied. On the other hand, the lighting mode 1, before the predetermined condition is satisfied, the illumination device 10 _2, 10 ₄ is normally lighting, be turned by dimming rate corresponding to the power capacity remaining in emergency power 22 it can. As for the dimming rate according to the power capacity, for example, as shown in FIG. 4, when the remaining power amount of the emergency power supply 22 is 50% or more, the emergency power supply 22 is turned on at a dimming rate of 100%. When the amount of remaining power is less than 50%, it can be specified that the light is turned on at a dimming rate of 50%.

The lighting mode 2 is an operating state for determining the lighting mode of the lighting device 10 after the predetermined conditions are satisfied. For example, after the predetermined condition is satisfied by the lighting mode 2, the lighting devices 10 ₁ and 10 ₃ which are emergency lighting are used at an arbitrary dimming rate such as a dimming rate at which the illuminance becomes 1 lux (lp). It can be turned on. On the other hand, the lighting mode 2, after the predetermined condition is satisfied, the illumination device 10 _2, 10 ₄ is normally lighting, the dimming ratio can be turned off as 0%.

The control unit 35 is a controller that controls each unit of the control device 30. For example, the control unit 35 can be implemented by a processor such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). Alternatively, the control unit 35 may be implemented by an integrated circuit such as an FPGA (Field Programmable Gate Array) or an ASIC (Application Specific Integrated Circuit).

The control unit 35 uses various memories provided inside the control device 30 as a storage area, and executes various processes using a program that defines a processing procedure and the like and required data. The control unit 35 includes a detection unit 35a and a dimming unit 35b.

The detection unit 35a detects that the power supply source for the lighting device 10 has been switched from the commercial power supply A to the emergency power supply 22. The detection unit 35a switches from the commercial power supply A to the emergency power supply 22 by detecting the interruption of the commercial power supply A, communicating with the separate power supply 20, or detecting a change in the power supply (voltage) supplied from the separate power supply 20. Can be detected.

When the detection unit 35a detects that the power supply source for the lighting device 10 has been switched from the commercial power supply A to the emergency power supply 22, the dimming unit 35b detects that the power supply source for the lighting device 10 is switched from the commercial power supply A to the emergency power supply 22. Control the dimming rate of.

Specifically, the light control section 35b is, until a predetermined condition is satisfied, based on the corresponding lighting mode (lighting mode 1), which is a emergency lighting lighting device 10 _1, 10 ₃ dimming Control. For example, the dimming unit 35b _{generates a dimming signal for lighting the lighting devices 10 1} and 10 ₃ which are emergency lighting at a dimming rate of 100%, and applies the generated dimming signal. Send to 33. Further, dimming section 35b may, until a predetermined condition is satisfied, based on the corresponding lighting mode (lighting mode 1), and controls the lighting device 10 _2, 10 ₄ of dimming is normally lighting. For example, dimming unit 35b is a lighting device 10 _2, 10 ₄ is normally lighting, generates an optical signal tone for lighting in dimming rate corresponding to the power capacity remaining in emergency power supply 22, The generated dimming signal is sent to the application unit 33.

On the other hand, the dimming unit 35b transitions to the corresponding lighting mode (lighting mode 2) after the predetermined condition is satisfied, and based on the lighting mode (lighting mode 2), the lighting device 10 which is emergency lighting. Controls the dimming of ₁ , 10 and _3. For example, the dimming unit 35b _{generates a dimming signal for lighting the lighting devices 10 1} and 10 ₃ which are emergency lighting at an arbitrary dimming rate, and applies the generated dimming signal to the application unit 33. Send to. Further, the dimming unit 35b transitions to the corresponding lighting mode (lighting mode 2) after the predetermined condition is satisfied, and based on the lighting mode (lighting mode 2), the lighting device 10 which is a normal lighting is used. controlling the _2, 10 ₄ of dimming. For example, dimming unit 35b is a lighting device 10 _2, 10 ₄ is normally lighting, generates an optical signal tone for turning off, and sends the generated dimming signal to the application section 33.

<Example of processing procedure>
An example of the processing procedure by the control unit 35 included in the control device 30 according to the embodiment will be described with reference to FIG. FIG. 5 is a flowchart showing an example of a processing procedure of the control unit included in the control device according to the embodiment.

As shown in FIG. 5, the control unit 35 determines whether or not the switch from the commercial power supply A to the emergency power supply 22 is detected (step S101).

When the control unit 35 determines that the switching from the commercial power supply A to the emergency power supply 22 has not been detected (step S101; No), the control unit 35 ends the processing procedure shown in FIG.

On the other hand, when the control unit 35 determines that the switch from the commercial power supply A to the emergency power supply 22 is detected (step S101; Yes), the control unit 35 refers to the dimming control data and corresponds to the lighting mode (lighting mode 1). A dimming signal corresponding to the above is generated (step S102).

Subsequently, the control unit 35 sends the generated dimming signal to the application unit 33 (step S103).

After transmitting the dimming signal according to the lighting mode 1, the control unit 35 determines whether or not the predetermined condition is satisfied (step S104). For example, the control unit 35 determines that the predetermined condition is satisfied when a predetermined time predetermined by law elapses after detecting the switching from the commercial power source A to the emergency power source 22.

When the control unit 35 determines that the predetermined condition is not satisfied (step S104; No), the control unit 35 repeats the determination in step S104.

When the control unit 35 determines that the predetermined condition is satisfied (step S104; Yes), the control unit 35 refers to the dimming control data and outputs a dimming signal corresponding to the corresponding lighting mode (lighting mode 2). Generate (step S105).

Then, the control unit 35 sends the generated dimming signal to the application unit 33 (step S106), and ends the processing procedure shown in FIG.

As described above, the illumination system 1 according to the embodiment includes an illumination apparatus _{10 1,} 10 _2, 10 3, 10 _4, the lighting device _{10 1,} 10 _2, 10 3, 10 very installed _fourth outside The power supply 22 and the control device 30 for controlling the lighting of _{the lighting devices 10 1} , 10 ₂ , 10 ₃ , 10 _{4 are provided.} Controller 30, the illumination device _{10 1,} 10 _2, 10 3, 10 ₄ after the power source of a predetermined condition from the switches to emergency power supply 22 from the commercial power source A is satisfied for the illumination device ₁₀ 1, The lighting mode of 10 ₂ , 10 ₃ , 10 ₄ is changed to a changeable state. The lighting devices 10 ₁ , 10 ₂ , 10 ₃ , 10 ₄ are lit in a lighting mode according to the voltage supplied from the control device 30. As described above, in the lighting system 1 according to the embodiment, a _{predetermined condition is satisfied after the power supply source for the lighting devices 10 1} , 10 ₂ , 10 ₃ , 10 ₄ is switched from the commercial power supply A to the emergency power supply 22. since the transitions lighting mode of the lighting device _{10 1,} 10 _2, 10 3, 10 ₄ to change state. As a result, the lighting device 10 after the predetermined conditions are satisfied can be turned on at an arbitrary dimming degree, and for example, it is possible to improve the usage of the emergency lighting device in a scene other than complying with the law.

Further, in the lighting system 1 according to the embodiment, the control device 30 is _{100% with respect to the lighting devices 10 1} and 10 ₃ to which the use as emergency lighting is assigned until a predetermined condition is satisfied. It supplies a predetermined voltage to be lit at the dimming degree of. As a result, the lighting device 10 can play a role as emergency lighting.

Further, in the illumination system 1 according to the embodiment, the control device 30, the illumination device 10 _2, 10 ₄ are used as emergency lighting is not assigned until a predetermined condition is satisfied, emergency power A predetermined voltage for lighting at a dimming degree corresponding to the capacity of the electric power remaining in 22 is supplied. Thereby, for example, in an emergency such as a power failure in which the commercial power source A is lost, the normal lighting can be effectively used as lighting that complements the lighting range of the emergency lighting.

Further, in the embodiment, the predetermined condition is the passage of a predetermined time predetermined by law. As a result, the lighting system 1 according to the embodiment can improve the usage of emergency lighting while complying with laws and regulations.

[Other]
In the above embodiments, the control device 30, when the lighting apparatus _{10 1,} 10 _2, 10 3, 10 power supply source for ₄ is switched to the emergency power supply 22 from the commercial power source A, an emergency such as a power failure Regardless of the capacity of the emergency power supply 22, the normal lighting may be initially turned on at a dimming rate of 100%, and then the dimming rate may be gradually lowered.

Further, in the above embodiment, after the predetermined condition is satisfied, the control device 30 responds to the detection of an object in the lighting range of the lighting device 10 based on the detection result of a motion sensor or the like (not shown). , The lighting device 10 may be controlled to be turned on as appropriate.

Further, in the above embodiment, the control device 30 has an electric power (for example, 12 to 24 volts) for driving the IoT device 12 with respect to the lighting device 10 which is an emergency lighting when it is not an emergency such as a power failure. (V)) may be supplied. Then, in the event of an emergency such as a power failure, the control device 30 drives the IoT device 12 with respect to the lighting device 10 which is an emergency lighting, and powers the light source 11 to light (for example, 100 volts (for example)). V)) may be supplied. In this case, the lighting device 10 which is an emergency lighting can light the light source 11 and drive the IoT device 12 in a lighting mode (for example, a dimming rate of 100%) according to the supplied electric power.

Further, in the above embodiment, the lighting mode before the predetermined condition is satisfied from the user who is the administrator of the control device 30 via the operation unit 32 before the lapse of the predetermined time predetermined by the law. When the operation of releasing 1 is accepted, the control device 30 may shift to the lighting mode 2 in which the lighting mode of the lighting device 10 which is the emergency lighting can be appropriately changed after the operation is accepted. ..

Although the embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. This embodiment is included in the scope of the invention described in the claims and the equivalent scope thereof, as is included in the scope and gist of the invention. Further, this embodiment can be appropriately combined as long as the processing contents do not contradict each other.

Further, the effects described in the present specification are merely examples and are not limited, and other effects may be obtained.

1 Lighting system 2 Power line 3 Power line 4 Power line 10 ₁ , 10 ₂ , 10 ₃ , 10 ₄ Lighting device 20 Separate power supply 30 Control device 31 Power receiving unit 32 Operation unit 33 Applying unit 34 Storage unit 35 Control unit 35a Detection unit 35b Dimming Part A Commercial power supply

Claims (4)

With lighting equipment;
With an emergency power supply installed outside the lighting device;
With a control device that controls the lighting of the lighting device;
Equipped with
The control device is
After the predetermined condition is satisfied after the power supply source for the lighting device is switched from the commercial power source to the emergency power source, the lighting mode of the lighting device is changed to a changeable state.
The lighting device is
A lighting system that lights in a lighting mode according to the voltage supplied from the control device. The control device is
The first aspect of claim 1, wherein a predetermined voltage for lighting the lighting device to which the use as emergency lighting is assigned is supplied with a dimming rate of 100% until the predetermined condition is satisfied. Lighting system. The control device is
A predetermined lighting device that is not assigned to be used as an emergency lighting is lit at a dimming rate according to the capacity of the electric power remaining in the emergency power supply until the predetermined condition is satisfied. The lighting system according to claim 1 or 2, which supplies a voltage. The lighting system according to any one of claims 1 to 3, wherein the predetermined condition is the elapse of a predetermined time predetermined by law.

Images