Lighting fixture

Abstract

To provide a lighting fixture that can change a detection range of a human sensor with a simple configuration.SOLUTION: A lighting fixture 100 includes: a luminaire body 110 including a lighting part 130; and a detection unit 150 to which a human sensor 180 for detecting a human is installed. The luminaire body 110 and the detection unit 180 are detachable via a connector 170. The detection unit 150 is rotatable about a shaft L1 of the connector 170 while being electrically connected to the luminaire body 110 via the connector 170.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a lighting fixture equipped with a human presence sensor. [Background technology]

[0002] 2. Description of the Related Art Conventionally, lighting fixtures equipped with a motion sensor are known. When the motion sensor detects the presence of a person, the lighting fixture is automatically switched from an off state to a on state, for example.

[0003] A human presence sensor has a preset detection range within which it can detect people, but lighting fixtures that allow the detection range to be changed are also known (see, for example, Patent Document 1). In the lighting fixture of Patent Document 1, the detection range of the human presence sensor is changed by covering the human presence sensor with a masking member that blocks some infrared light. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2018-169219 A Summary of the Invention [Problem to be solved by the invention]

[0005] However, the masking member in Patent Document 1 has a dome shape that covers the outside of the motion sensor, making the masking member large. For this reason, in lighting fixtures such as floor lamps and desk lamps used as interior decor, the motion sensor and masking member may affect the exterior design of the lighting fixture.

[0006] An object of the present invention is to provide a lighting fixture that allows the detection range of a human presence sensor to be changed with a simple configuration. [Means for solving the problem]

[0007] The lighting fixture of the present invention comprises: A lighting fixture body having a lighting unit; A detection unit provided with a human presence sensor that detects a person; Equipped with the lighting fixture body and the detection unit are detachable via a connector; The detection unit is rotatable about the axis of the connector when electrically connected to the lighting fixture body via the connector. Effect of the Invention

[0008] According to the lighting fixture of the present invention, it is possible to change the detection range of the human presence sensor with a simple configuration. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a diagram showing a lighting fixture according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a front cross-sectional view of the foot switch. [Diagram 3] FIG. 3 is a perspective view showing a state in which the detection unit is attached to the lighting fixture body. [Figure 4] FIG. 4 is a perspective view showing a state in which the detection unit is attached to the lighting fixture body. [Diagram 5] FIG. 5 is a block diagram of a lighting fixture. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] The lighting fixture according to one embodiment of the present invention comprises: A lighting fixture body having a lighting unit; A detection unit provided with a human presence sensor that detects a person; Equipped with the lighting fixture body and the detection unit are detachable via a connector; The detection unit is rotatable about the axis of the connector when electrically connected to the lighting fixture body via the connector (first configuration).

[0011] According to the above configuration, the detection unit is rotatable about the axis of the connector in a state in which the detection unit is electrically connected to the lighting fixture body via the connector. Therefore, the detection range of the human presence sensor can be changed by changing the orientation of the detection unit.

[0012] In the first configuration, The detection unit includes: A detection unit body is provided. The human presence sensor may be attached to the detection unit body so that a detection range is oriented in a direction intersecting an axial direction of the connector (second configuration).

[0013] According to the above configuration, the human presence sensor is attached to the detection unit body so that the detection range is oriented in a direction intersecting the axial direction of the connector. Therefore, by checking the position of the human presence sensor, it is possible to easily grasp in which direction the detection range of the human presence sensor faces. Furthermore, by rotating the detection unit to change the position of the human presence sensor, the detection range of the human presence sensor can be easily changed.

[0014] In the first configuration, The detection unit includes: a detection enabled state in which the lighting unit can be switched on and off based on a detection result of the human presence sensor; a detection disabled state in which the lighting unit cannot be switched on and off regardless of the detection result of the human presence sensor; A changeover switch for switching between the above may be provided (third configuration).

[0015] According to the above configuration, the detection unit has a changeover switch for switching between a detection enabled state and a detection disabled state. This makes it easy to switch between a state in which the lighting unit is turned on and off automatically based on detection by the human presence sensor, and a state in which the lighting unit is turned on and off manually, regardless of detection by the human presence sensor.

[0016] [Embodiment] A lighting fixture 100 according to an embodiment of the present invention will be described in detail below with reference to the drawings. The same or corresponding parts in the drawings are given the same reference numerals and their description will not be repeated. In order to make the description easier to understand, the drawings referred to below show simplified or schematic configurations and omit some components. Furthermore, the dimensional ratios between components shown in each drawing do not necessarily represent the actual dimensional ratios.

[0017] [Overall configuration] FIG. 1 is a diagram showing a lighting fixture 100 according to an embodiment of the present invention. In this embodiment, a case where the lighting fixture 100 is a floor lamp will be described. Note that the type of lighting fixture of the present invention is not limited to a floor lamp, and may be a desk lamp or other types of lighting fixtures. In the following figures, an arrow U indicates the upward direction of the lighting fixture 100, and an arrow D indicates the downward direction.

[0018] As shown in FIG. 1, the lighting fixture 100 includes a lighting fixture body 110, a detection unit 150, a foot switch 10, and a remote control 20.

[0019] The lighting device main body 110 has a base portion 120 and a lighting portion 130. The base portion 120 has a substantially rectangular parallelepiped shape, and a detection unit 150 can be detachably attached to the upper portion via a connector 170. The lighting portion 130 has a frame body 131 and a light source 140. The frame body 131 has an opening portion 132 formed on the inside. The lower portion of the frame body 131 is supported by the base portion 120.

[0020] The frame body 131 is provided with light sources 140 on the entire circumference of the inner surface so as to irradiate light toward the open portion 132. A first light source 141 and a second light source 142 are provided as the light source 140. The first light source 141 and the second light source 142 are each a plurality of LED (Light Emitting Diode) modules. LED modules with different color temperatures are used as the first light source 141 and the second light source 142. For example, an incandescent LED module with a color temperature of approximately 3000K is used as the first light source 141, and a neutral white LED module with a color temperature of approximately 5000K is used as the second light source 142. By changing the dimming rate of each of the first light source 141 and the second light source 142 with different color temperatures, dimming / color adjustment can be performed to change the color temperature and brightness of the light source 140.

[0021] The foot switch 10 is operated by a user's foot or the like to switch on / off the lighting fixture body 110. The foot switch 10 also controls the light source 140 of the lighting fixture body 110 to adjust the brightness / color based on a signal transmitted from a remote control 20.

[0022] The foot switch 10 has a casing 30, an operation unit 40, and a lighting control unit 60 (see FIG. 2). The operation unit 40 is provided on the casing 30 so as to be operable by pressing. When a user presses the operation unit 40 with the toe or the like, the lighting fixture main body 110 is switched on / off. The lighting control unit 60 is housed inside the casing 30 (see FIG. 2). The lighting control unit 60 turns the light source 140 on / off based on the pressing operation of the operation unit 40, and adjusts the brightness / color of the light source 140 based on a signal transmitted from the remote control 20.

[0023] An input cord 51 and an output cord 52 are connected to the foot switch 10. A converter 53 is connected to the input cord 51. The converter 53 is connected to an AC commercial power source and converts AC to DC. The input cord 51 is a one-circuit cord, and inputs the DC converted from the commercial power source to the lighting control unit 60. The output cord 52 is a two-circuit cord, and supplies DC from the lighting control unit 60 to the lighting fixture body 110 for driving the first light source 141 and the second light source 142.

[0024] The remote control 20 transmits a signal corresponding to dimming / color adjustment to the lighting control unit 60. The remote control 20 is provided with an operation button 21 that allows the user to instruct dimming / color adjustment. When the user operates the operation button 21, an infrared signal corresponding to dimming / color adjustment is transmitted from a transmission unit (not shown). The lighting control unit 60 receives the infrared signal and adjusts the dimming / color adjustment of the light source 140 based on the received signal. The remote control 20 may be configured to automatically transmit an infrared signal corresponding to dimming / color adjustment from the transmission unit using a timer function.

[0025] [Foot switch] Fig. 2 is a front cross-sectional view of the foot switch 10. As shown in Fig. 2, a lighting control unit 60 is disposed in the internal space of the casing 30. The lighting control unit 60 includes a board 61, a switch 70, a first lighting circuit 81, a second lighting circuit 82, a control unit 90, and a receiving unit 95. The first lighting circuit 81, the second lighting circuit 82, the control unit 90, and the receiving unit 95 are mounted on the board 61. The switch 70 switches the lighting fixture body 110 on and off, and is disposed separately from the board 61.

[0026] The operating portion 40 protrudes upward from the opening 33 of the casing 30, and is provided so as to be movable in the up and down direction relative to the casing 30. By pressing the operating portion 40, the switch 70 is operated.

[0027] The switch 70 is a so-called alternate switch, and each time the operation unit 40 is pushed, the switch 70 is switched ON / OFF (connected / disconnected), and the lighting fixture body 110 is switched on / off. Since the operation unit 40 is biased upward by the elastic body 41, after the operation unit 40 is pushed, it returns to its original position protruding upward from the opening 33 of the casing lid 32.

[0028] The remote control 20 transmits an infrared signal corresponding to dimming / color adjustment to the lighting control unit 60. The lighting control unit 60, which receives the infrared signal, adjusts the dimming / color adjustment of the light source 140 based on the received signal.

[0029] [Detection unit] Fig. 3 is a perspective view showing a state in which the detection unit 150 is attached to the lighting fixture body 110. Fig. 4 is a perspective view showing a state in which the detection unit 150 is attached to the lighting fixture body 110. As shown in Fig. 3, the detection unit 150 has a detection unit body 160, a plug 171 which is one side of a connector 170, and a human sensor 180. The lighting fixture body 110 is provided with a jack 172 which is the other side of the connector 170.

[0030] The detection unit 150 is detachable from the lighting fixture body 110 via a connector 170 (plug 171, jack 172). When the detection unit 150 and the lighting fixture body 110 are connected via the connector 170, the detection unit 150 and the lighting fixture body 110 are electrically connected (see FIG. 4). Furthermore, when the detection unit 150 is electrically connected to the lighting fixture body 110 via the connector 170, the detection unit 150 is rotatable around an axis L1 of the connector 170.

[0031] The detection unit body 160 has a cylindrical shape, and contains a control unit 181 and a switch 182 inside (see FIG. 5). A human sensor 180 is attached to the side of the detection unit body 160. A changeover switch 183 is attached to the top of the detection unit body 160.

[0032] The human presence sensor 180 is a sensor that detects the presence of a person. In this embodiment, an infrared sensor that outputs a detection signal by detecting infrared rays emitted by a person is used as the human presence sensor 180. The detection method of the human presence sensor is not limited to the infrared method, and may be, for example, a method of detecting ultrasonic waves.

[0033] The human presence sensor 180 has a preset detection range AR within which it can detect the presence of a person (see FIG. 4). Specifically, the distance (e.g., 5 m) within which it can detect the presence of a person and the detection range (e.g., an angle of 100 degrees with the human presence sensor 180 as the center) are preset. The human presence sensor 180 of this embodiment is attached to the side of the detection unit main body 160 so that the detection range AR of the human presence sensor 180 is oriented in a direction intersecting with the axis L1 direction of the connector 170.

[0034] Therefore, by checking the position of the human presence sensor 180, it is possible to easily grasp in which direction the detection range AR of the human presence sensor 180 faces. Also, by rotating the detection unit 150 to change the position of the human presence sensor 180, the orientation of the detection range AR of the human presence sensor 180 can be easily changed.

[0035] The changeover switch 183 is a switch for switching the detection unit 150 between a detection enabled state and a detection disabled state. The detection enabled state is a state in which the lighting unit 130 can be switched on and off based on the detection result of the human presence sensor 180. The detection disabled state is a state in which the lighting unit 130 cannot be switched on and off regardless of the detection result of the human presence sensor 180.

[0036] In this embodiment, the changeover switch 183 is provided to switch the detection unit 150 between a detection enabled state and a detection disabled state. However, the changeover switch 183 may not be provided and the detection unit 150 may always be in the detection enabled state.

[0037] Connector 170 is a pair of connectors composed of plug 171 and jack 172. In this embodiment, a so-called phone connector is used as connector 170. In the phone connector, when plug 171 on the detection unit 150 side is inserted into jack 172 on the lighting fixture body 110 side, plug 171 and jack 172 can be rotated relative to each other around axis L1 of connector 170.

[0038] The type of connector is not limited to a phone connector, and may be any type that allows the detection unit 150 to be rotated relative to the lighting fixture body 110 in a state in which the detection unit 150 and the lighting fixture body 110 are electrically connected.

[0039] Fig. 5 is a block diagram of lighting fixture 100. As shown in Fig. 5, lighting fixture body 110 has first light source 141 and second light source 142, each of which has a different color temperature. Lighting control unit 60 provided in foot switch 10 is connected to first light source 141 and second light source 142 via connector 170 (jack 172) of lighting fixture body 110. Direct current converted from an AC commercial power source by converter 53 is supplied to lighting control unit 60. Detection unit 150 is detachable from lighting fixture body 110 via connector 170 (plug 171, jack 172).

[0040] The switch 70 of the lighting control unit 60 is switched ON / OFF (connected / disconnected) each time the operating unit 40 is pressed, opening and closing the electric circuit that supplies power to the first lighting circuit 81 and the second lighting circuit 82.

[0041] The receiving unit 95 receives an infrared signal corresponding to the dimming / color adjustment transmitted from the remote control 20. The received signal is input to the control unit 90.

[0042] The control unit 90 receives the signal input from the receiving unit 95 and generates a control signal for controlling the first lighting circuit 81 and the second lighting circuit 82. In this embodiment, the control unit 90 performs PWM (Pulse Width Modulation) control, which repeats an on period during which the LED module is turned on and an off period during which the LED module is turned off.

[0043] The first lighting circuit 81 and the second lighting circuit 82 are circuits that drive the first light source 141 and the second light source 142, which have different color temperatures. The first lighting circuit 81 and the second lighting circuit 82 drive the first light source 141 and the second light source 142 based on a control signal generated by the control unit 90.

[0044] When plug 171 of detection unit 150 is inserted into jack 172 of lighting fixture body 110, lighting fixture body 110 and detection unit 150 are electrically connected. Jack 172 is configured such that an internal circuit is switched between a state in which plug 171 is inserted and a state in which plug 171 is not inserted.

[0045] Specifically, when the plug 171 of the detection unit 150 is not inserted into the jack 172 of the lighting fixture body 110, the internal circuit of the jack 172 is in a state in which the driving current from the first lighting circuit 81 and the second lighting circuit 82 is supplied directly to the first light source 141 and the second light source 142.

[0046] On the other hand, when the plug 171 of the detection unit 150 is inserted into the jack 172 of the lighting fixture body 110, the internal circuit of the jack 172 is switched to a state in which driving current from the first lighting circuit 81 and the second lighting circuit 82 is supplied to the first light source 141 and the second light source 142 via the switch 182 of the detection unit 150.

[0047] When the human presence sensor 180 detects infrared rays emitted by a person while the lighting fixture body 110 and the detection unit 150 are electrically connected, the human presence sensor 180 inputs a detection signal to the control unit 181. The control unit 181 controls the switch 182 based on the signal input from the human presence sensor 180.

[0048] When the human presence sensor 180 detects the presence of a person, the control unit 181 controls the switch 182 so that driving currents from the first lighting circuit 81 and the second lighting circuit 82 are supplied to the first light source 141 and the second light source 142, respectively (the lighting unit 130 is turned on).

[0049] On the other hand, when the human presence sensor 180 does not detect the presence of a person, the control unit 181 controls the switch 182 so that the drive current from the first lighting circuit 81 and the second lighting circuit 82 is not supplied to the first light source 141 and the second light source 142 (the lighting unit 130 is turned off). Note that the control unit 181 may switch the lighting unit 130 from the on state to the off state after a predetermined time has elapsed since the state in which the detection signal is not input from the human presence sensor 180.

[0050] The changeover switch 183 switches the detection unit 150 between a detection enabled state and a detection disabled state. In the detection enabled state, the detection unit 150 can switch between turning on and off the lighting unit 130 based on the detection result of the human presence sensor 180. In the detection disabled state, the detection unit 150 cannot switch between turning on and off the lighting unit 130 regardless of the detection result of the human presence sensor 180.

[0051] Here, switching on / off of the lighting fixture body 110 and adjusting the brightness / color by operating the foot switch 10 and the remote control 20 will be described.

[0052] First, the lighting fixture body 110 is switched on / off by pressing the operation unit 40 provided on the foot switch 10 (see FIG. 2). Specifically, the lighting fixture body 110 is switched on / off every time the user presses the operation unit 40 with the toe or the like. Note that the lighting fixture body 110 can be switched on / off regardless of the dimming / color adjustment state of the lighting fixture body 110.

[0053] Next, the dimming / color adjustment of the lighting fixture body 110 is performed based on a signal transmitted from the remote control 20 (see FIG. 2). Specifically, when the user operates the operation button 21 of the remote control 20, an infrared signal corresponding to the dimming / color adjustment is transmitted from the remote control 20. The lighting control unit 60 receives the infrared signal from the remote control 20 and adjusts the dimming / color adjustment of the light source 140 based on the received signal. For example, when adjusting the color of the light source 140 to a warm color, the dimming rate of the first light source 141 having a low color temperature is increased, and the dimming rate of the second light source 142 having a high color temperature is decreased. Conversely, when adjusting the color of the light source 140 to a cool color, the dimming rate of the first light source 141 having a low color temperature is decreased, and the dimming rate of the second light source 142 having a high color temperature is increased. When dimming the light source 140 without changing its color, the dimming rates of the first light source 141 and the second light source 142 are increased or decreased while maintaining the ratio of the dimming rates. The dimming / color adjustment of the lighting fixture main body 110 can be performed while the lighting fixture main body 110 is in the turned-on state.

[0054] [Effects of the embodiment] The lighting device 100 according to the present embodiment described above has the following advantages.

[0055] When the detection unit 150 is electrically connected to the lighting fixture body 110 via the connector 170, the detection unit 150 is rotatable around the axis L1 of the connector 170. Therefore, by changing the orientation of the detection unit 150, the orientation of the detection range AR of the human sensor 180 can be changed.

[0056] The human presence sensor 180 is attached to the detection unit body 160 so that the detection range AR is oriented in a direction intersecting with the axis L1 direction of the connector 170. Therefore, by checking the position of the human presence sensor 180, it is possible to easily grasp in which direction the detection range AR of the human presence sensor 180 is oriented. In addition, by rotating the detection unit 150 to change the position of the human presence sensor 180, the orientation of the detection range AR of the human presence sensor 180 can be easily changed.

[0057] The detection unit 150 has a changeover switch 183 that switches between a detection enabled state and a detection disabled state. Therefore, it is possible to easily switch between a state in which the lighting unit 130 is automatically turned on and off based on the detection of the human sensor 180 and a state in which the lighting unit 130 is manually turned on and off regardless of the detection of the human sensor 180.

[0058] [Variations] The lighting fixture according to the present invention is not limited to the embodiment described above. For example, the installation position of the human sensor 180 is not limited to the position of the embodiment. For example, the human sensor 180 may be provided instead of the changeover switch 183 provided on the upper part of the detection unit 150.

[0059] Although the remote control 20 described in this embodiment has only a function of dimming / adjusting color, it may have a function of turning on / off the light. For example, the dimming rates of the first light source 141 and the second light source 142 may be set to 0 percent to turn off the lighting fixture.

[0060] The color temperatures of first light source 141 and second light source 142 are merely examples, and it is sufficient that the color temperatures of first light source 141 and second light source 142 are different. Furthermore, the types of color temperatures are not limited to two, but may be three or more, and dimming / color adjustment may be performed for a light source having three or more types of color temperatures.

[0061] Although the embodiment of the present invention has been described above, the above-mentioned embodiment is merely an example for carrying out the present invention. Therefore, the present invention is not limited to the above-mentioned embodiment, and the above-mentioned embodiment can be appropriately modified and carried out without departing from the spirit of the present invention. [Explanation of symbols]

[0062] 100 Lighting fixtures 110 Lighting equipment body 130 Lighting section 150 Detection Unit 160 Detection unit body 170 Connector 171 Plug 172 Jack 180 Human Sensor 183 Changeover switch AR Human Sensor Detection Range L1 Connector shaft center

Claims

1. A lighting fixture body having a lighting unit; A detection unit provided with a human presence sensor that detects a person; Equipped with the lighting fixture body and the detection unit are detachable via a connector; The detection unit is rotatable around an axis of the connector in a state where the detection unit is electrically connected to the lighting fixture body via the connector. Lighting fixtures.

2. The detection unit includes: A detection unit body is provided. The human presence sensor is attached to the detection unit body so that a detection range is oriented in a direction intersecting an axial direction of the connector.

2. A lighting fixture according to claim 1.

3. The detection unit includes: a detection enabled state in which the lighting unit can be switched on and off based on a detection result of the human presence sensor; a detection disabled state in which the lighting unit cannot be switched on and off regardless of the detection result of the human presence sensor; A changeover switch for switching 2. A lighting fixture according to claim 1.

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