JP2001273814A - Automatic switch with heat ray sensor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase room for free arrangement of a heat ray sensor and a brightness sensor. SOLUTION: There is provided a master device A1 which executes on-off switching of a power source for a load LD by utilizing detected results from heat ray sensors and a brightness sensor, the load LD comprising lighting equipment and ventilation fans which are connected to the power source through a wire W11. There are also provided a multiple of slave devices B1 which are connected to the master device A1 through a wire W12. The brightness sensor 10 and heat ray sensors 21 are provided for the master device A1 and the slave devices B1, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic switch with a hot-wire sensor for turning on / off a power supply of a load according to brightness or the presence or absence of a person.

[0002]

2. Description of the Related Art Conventionally, various types of automatic switches with a hot-wire sensor have been proposed and are commercially available.

[0003]

However, in the conventional parent-child type hot-wire sensor equipped with a brightness sensor, only a maximum of three locations can be detected.

In a building with a hot-wire sensor, it is possible to detect a maximum of six locations, but it is not equipped with a brightness sensor. Did not. That is, there has been only a method of opening and closing a power supply line with a relay by separately installing a brightness sensor.

As a result, in the conventional automatic switch with a heat ray sensor, the degree of freedom of the arrangement of the heat ray sensor is reduced due to the influence of the arrangement of the brightness sensor, and the brightness sensor is located at a position which is hardly affected by external light. Was difficult to place.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an automatic switch with a hot-wire sensor that can improve the degree of freedom in the arrangement of both the hot-wire sensor and the brightness sensor.

[0007]

According to the first aspect of the present invention, there is provided an automatic switch with a hot-wire sensor for turning on / off a power supply of a load using detection results of a brightness sensor and a hot-wire sensor. A master unit and one of the brightness sensor and the heat ray sensor connected to the master unit,
A slave unit that outputs one of the detection results to the master unit, wherein the other of the brightness sensor and the heat ray sensor is provided in the master unit or another slave unit connected to the master unit, and the brightness sensor And the heat ray sensor are installed in different places.

According to a second aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the brightness sensor and the hot-wire sensor are provided in the master unit and the slave unit, respectively, and the master unit is a ceiling-mounted type. Wherein the output of the load has a voltage contact structure.

According to a third aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the brightness sensor and the hot-wire sensor are provided on the master unit and the slave unit, respectively, and the master unit is a wall-mounted type. And an output under the eaves or a roof side, wherein the output of the load has a voltage contact structure.

The invention according to claim 4 is the invention according to claim 2 or 3.
The automatic switch with a hot-wire sensor according to the above, wherein the master unit has another hot-wire sensor.

According to a fifth aspect of the present invention, in the automatic switch with the heat ray sensor according to the fourth aspect, the master unit has separate lenses for a brightness sensor and a heat ray sensor of the master unit, respectively. I do.

According to a sixth aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the master unit is a ceiling-mounted type, and the output of the load has a voltage contact structure. There are two types of units, and the brightness sensor and the heat ray sensor are provided on one and the other of the two types of slave units, respectively.

According to a seventh aspect of the present invention, in the automatic switch with the heat ray sensor according to the sixth aspect, the two types of slave units are connected to the master unit via separate signal lines. I do.

According to an eighth aspect of the present invention, in the automatic switch with the heat ray sensor according to the sixth aspect, the two types of slave units are connected to the master unit via a common signal line. .

According to a ninth aspect of the present invention, in the automatic switch with the heat ray sensor according to the first aspect, the brightness sensor and the heat ray sensor are provided in the master unit and the slave unit, respectively, and the master unit is a ceiling-mounted type. The output of the load has a non-voltage contact structure.

[0016] The invention according to claim 10 is the invention according to claims 2 and 3,
7. The automatic switch with a heat ray sensor according to 4 or 6, further comprising a wall-mounted operation switch connected to the parent device.

According to an eleventh aspect of the present invention, in the automatic switch with the heat ray sensor according to the second or third aspect, the load is a lighting fixture, and the master unit responds to a detection result of a brightness sensor of the master unit. And a function of turning on / off the power supply of the load.

According to a twelfth aspect of the present invention, in the automatic switch with the heat ray sensor according to the tenth aspect, the setting of the operation switch is linearly adjustable.

According to a thirteenth aspect of the present invention, in the automatic switch with the hot-wire sensor according to the second, third or fourth aspect, the slave unit has another brightness sensor.

According to a fourteenth aspect of the present invention, in the automatic switch with the heat ray sensor according to the thirteenth aspect, the slave unit has a switching means for operating at least one of the heat ray sensor and the brightness sensor of the slave unit. It is characterized by.

[0021]

FIG. 1 is a perspective view of an automatic switch with a hot-wire sensor according to a first embodiment of the present invention, FIG. 2 is a block diagram of a master unit and a slave unit of FIG. 1, and FIG. 3 is a hot wire of FIG. The operation of the automatic switch with sensor will be described with reference to these drawings.

The automatic switch with a hot-wire sensor shown in FIG. 1 uses the detection results of the brightness sensor 10 and the hot-wire sensor 21 to supply power to a load LD such as a lighting fixture or a ventilation fan connected via an electric wire W11. A configuration in which a master device A1 that performs on / off and a plurality of slave devices B1 connected to the master device A1 via an electric wire W12 are provided, and the brightness sensor 10 and the hot-wire sensor 21 are installed at different locations. It has become. In the first embodiment, the brightness sensor 10 and the heat ray sensor 21 are respectively a master device A1 and a slave device B1.
Is provided. In addition, W10 connects the main unit A1 to the commercial power supply AC.
In the example of FIG.
Each of W12 is a two-wire system.

The parent device A1 is a ceiling-mounted type, and in addition to the brightness sensor 10 for detecting (measuring) the illuminance of a predetermined area (the lower side of the parent device A1 in the example of FIG. 1), FIG. As shown, the illuminance signal determination unit 12 that determines whether the ambient illuminance is bright or dark from the output signal of the brightness sensor 10 by, for example, comparison using a predetermined reference level, and the electric wire W12 from a plurality of slave units B1. A detection signal determination unit 13ir for determining the presence or absence of a person from a detection signal sent via the power supply, a supply voltage output unit 15ir for supplying a voltage to the plurality of slaves B1 via the electric wire W12, and a power supply for the load LD. And a load switching control section 16 for performing on / off control of the power supply, and a control section 17a.

The control section 17a performs processing such as overall control of the automatic switch with the hot-wire sensor. For example, a mode setting corresponding to the mode signal M, the illuminance signal determination section 12
Illuminance determination, supply voltage control for the plurality of slaves B1 via the supply voltage output unit 15ir, and detection determination via the detection signal determination unit 13ir. The mode signal M may be transmitted from a so-called remote controller, or may be obtained as a contact signal from a dip switch or the like provided in the main unit A1.

The control unit 17a keeps the power supply of the load LD off, regardless of the detection determination result, while obtaining the illuminance determination result with bright ambient illuminance through the illuminance signal determination unit 12 according to one mode. While the dark illuminance determination result is obtained, every time the detection determination result indicating the presence of a person is obtained through the detection signal determination unit 13ir, the timer of a predetermined timer time is started. Control is performed to keep the power of the load LD on until the processing is completed. This control corresponds to the one mode, and when another mode is set, control according to that mode is performed.

The slave B1 is of a ceiling-mounted type, and has a hot-wire sensor 21 for detecting a hot wire from a predetermined area (in the example of FIG. 1, below the slave B1), and a detection voltage obtained from the hot-wire sensor 21. And a voltage supply unit that outputs a detection signal to the parent device A1 via the electric wire W12 as a detection signal, and supplies a voltage from the parent device A1 via the electric wire W12 and supplies the voltage to each unit of the child device B1. 24ir.

Next, an example of the operation of the automatic switch with a heat ray sensor will be described. As shown in FIG. 3, while the surrounding illuminance is bright, the power supply of the load LD is kept off regardless of the presence or absence of a detection input indicating the presence of a person (see the detection input at time t10). Thereafter, when the ambient illuminance becomes dark (time t1)
1) During this time, every time a detection input indicating the presence of a person is obtained (time points t12, t14, and t15), the counting of a predetermined timer time starts, and the counting of the timer time from this start time is terminated ( t13, t16),
The power of the load LD is kept on.

As described above, the brightness sensor 10 and the heat ray sensor 21 are provided in the master unit A1 and the slave unit B1, respectively.
The degree of freedom of arrangement of both the heat ray sensor and the brightness sensor can be improved.

In the first embodiment, only the ceiling-mounted slave units are used. However, the present invention is not limited to this. The ceiling-mounted type, the eaves-mounted type, the roof-side mounted type, and the wall-mounted type can be used. A configuration may be used in which a slave unit (including below the wall) or a combination thereof is used.

FIG. 4 is a perspective view of an automatic switch with a hot-wire sensor according to a second embodiment of the present invention. The automatic switch with a hot-wire sensor shown in FIG. The switch is configured in the same manner as the automatic switch with the heat ray sensor of the first embodiment, except that both the parent device A2 and the child device B2 are mounted below the eaves.

In the second embodiment, only the slave units mounted below the eaves are used.
It is also possible to adopt a configuration in which a slave unit having an under-eave mounting type, a roof side mounting type, a wall mounting type, or a combination thereof is used.

FIG. 5 is a perspective view of an automatic switch with a hot-wire sensor according to a third embodiment of the present invention. The automatic switch with a hot-wire sensor shown in FIG. 5 will be described below with reference to FIG. The switch is configured in the same manner as the automatic switch with a heat ray sensor of the first embodiment, except that the parent device A3 is a wall-mounted type. Therefore, also in the third embodiment, the degree of freedom in the arrangement of both the heat ray sensor and the brightness sensor can be improved.

FIG. 6 is a perspective view of an automatic switch with a hot-wire sensor according to a fourth embodiment of the present invention. The following description of the fourth embodiment with reference to FIG. The switch is configured in the same manner as the automatic switch with a hot-wire sensor of the first embodiment, except that the parent device A4 is of a roof side mounting type.

As described above, according to the second to fourth embodiments, the degree of freedom in the arrangement of both the heat ray sensor and the brightness sensor can be improved, and the degree of freedom in the installation location of the parent device can be improved.

In the third and fourth embodiments, only the ceiling-mounted slave units are used. However, the ceiling-mounted type, the eaves-mounted type, the roof-side mounted type, the wall-mounted type, or any of these types can be used. A configuration may be used in which a handset in a combination of the above is used.

FIG. 7 is a perspective view of an automatic switch with a heat ray sensor according to a fifth embodiment of the present invention, FIG. 8 is a partial cross-sectional view of the master unit of FIG. 7, and FIG. The fifth embodiment will be described below using block diagrams with reference to these drawings.

The automatic switch with a hot-wire sensor shown in FIG. 7 is the first switch except that the parent device A5 has another hot-wire sensor 11.
It is configured almost similarly to the automatic switch with a heat ray sensor of the embodiment. That is, as shown in FIG.
The lens 10a and the lens 10a inserted above the peripheral wall of the hole H1 formed in the lower surface of the body of the parent machine A5.
In addition to the brightness sensor 10 formed by the brightness sensor element 10b provided inside the body above and below the body, a downwardly projecting hole provided on the lower surface of the body so as to close the hole H2 adjacent to the hole H1 is provided. Domed lens 11
and a hot-wire sensor 11 composed of a pyroelectric element 11b provided so that a light receiving surface is located at a focal point of the lens 11a.
In addition to the above, as shown in FIG.
A control unit 17b that performs a detection determination from the output of the control unit 17 and performs processing such as control by adding the detection determination result to the detection determination result of the heat ray sensor 21 is provided instead of the control unit 17a of the first embodiment. Note that the heat ray sensor 21 of the slave B1 is configured similarly to the heat ray sensor 11 of the master A5.

In the automatic switch with the heat ray sensor constructed as described above, since another heat ray sensor is provided in the base unit A5, the area for detecting the presence or absence of a person can be expanded. In addition, master device A5 includes brightness sensor 10 and heat ray sensor 11
, The accuracy of the illuminance measurement by the brightness sensor 11 can be improved. Further, since the brightness sensor 11 has a concave structure that blocks direct incidence of external light, the accuracy of illuminance measurement by the brightness sensor 11 is improved.

In the fifth embodiment, the parent device is of a ceiling-mounted type, but may be of an eaves-mounted type, a roof-side mounted type, or a wall-mounted type (including below a wall). In addition, although only ceiling-mounted slave units are used,
It is also possible to adopt a configuration in which a slave unit having an under-eave mounting type, a roof side mounting type, a wall mounting type, or a combination thereof is used.

FIG. 10 is a perspective view of an automatic switch with a heat ray sensor according to a sixth embodiment of the present invention, and FIG. 11 is a block diagram of the master unit and the slave unit of FIG. An embodiment will be described.

The automatic switch with a hot-wire sensor shown in FIG. 10 uses a master A6 for turning on / off the power of the load LD using the detection results of the brightness sensor 20 and the hot-wire sensor 21.
And a plurality of slave units B1 and C1 connected to the master unit A6 via electric wires W12 and W13, respectively, and the brightness sensor 20 and the heat ray sensor 21 are installed at different places. I have. In the sixth embodiment, there are two types of slaves B1 and C1, and the brightness sensor 20 and the heat ray sensor 21 are provided in the slaves C1 and B1, respectively.

The parent device A6 is of a ceiling-mounted type and, as shown in FIG. 11, includes a detection signal determination unit 13ir, a supply voltage output unit 15ir, and a load switching control unit 16 as in the first embodiment. In addition, the difference from the first embodiment is that the determination of whether the ambient illuminance is bright or dark is made from an illuminance signal transmitted from the plurality of slaves C1 via the electric wire W13, for example, using a predetermined reference level. An illuminance signal determination unit 13lm for performing a comparison, a supply voltage output unit 15lm for supplying a voltage to the plurality of slave units C1 via an electric wire W13, and a supply voltage output unit 1lm.
A control unit 17c is configured similarly to the control unit 17a of the first embodiment except that the supply voltage control for the plurality of slave units C1 via 5 lm is performed.

The slave C1 is of a ceiling-mounted type. In addition to the brightness sensor 20 for detecting the illuminance of a predetermined area (the lower side of the slave C1 in the example of FIG. 10), the brightness sensor 20 detects An illuminance determination voltage output unit 22 that outputs the obtained illuminance determination voltage as an illuminance signal to the parent device A6 via the electric wire W13, and each unit of the child device C1 receiving supply of a voltage from the parent device A6 via the electric wire W13. Supply unit 24 lm
And

The automatic switch with the hot-wire sensor thus configured also has the brightness sensor 20 and the hot-wire sensor 2.
1 is provided in each of the slave units C1 and B1, so that the degree of freedom in the arrangement of both the heat ray sensor and the brightness sensor can be improved. Further, since the parent device does not include the brightness sensor and the heat ray sensor, the structure of the parent device can be simplified. Furthermore, the two types of slave units B1 and C1 are respectively separate electric wires W1.
2, since it is connected to the parent device A6 via W13, the degree of freedom of installation of the brightness sensor 20 is improved.

In the sixth embodiment, the parent device is of a ceiling-mounted type, but it may be of an eaves-mounted type, a roof-side mounted type, a wall-mounted type, or a panel-mounted type. Also, only ceiling-mounted sub units are used, but ceiling-mounted, eaves-mounted, roof-side, wall-mounted, or combinations of these are used. May be.

Although the parent device has neither a brightness sensor nor a heat ray sensor, it may have at least one of a brightness sensor and a heat ray sensor.

Further, in the sixth embodiment, as shown in FIG. 12, a slave C1 (brightness sensor slave in the figure) is
A sensor having a multi-level threshold (in the figure, off, light, and dark, plus two steps between light and dark, for a total of five levels), and illuminance is applied to the parent device via an electric wire W13 (signal line in the figure). It may be configured to transmit the level.

FIG. 13 is a perspective view of an automatic switch with a hot-wire sensor according to a seventh embodiment of the present invention, and FIG. 14 is a block diagram of the master unit and the slave unit of FIG. An embodiment will be described.

The automatic switch with a hot-wire sensor shown in FIG. 13 includes a plurality of slave units B1 and C1 in the same manner as the sixth embodiment, and differs from the sixth embodiment in that a common electric wire W14 is used. And a master unit A7 to which a plurality of slave units B1 and C1 are connected.

The parent device A7 is of a ceiling-mounted type,
As shown in FIG. 4, a load switching control unit 16 is provided in the same manner as in the sixth embodiment, and the difference from the sixth embodiment is that a detection sent from a plurality of slave units B1 via an electric wire W14. The presence or absence of a person is determined from the signals, and the determination as to whether the ambient illuminance is bright or dark is made based on the illuminance signals transmitted from the plurality of slaves C1 via the electric wire W14, for example, by comparison using a predetermined reference level. Detection / illuminance signal determination unit 13c, a supply voltage output unit 15c for supplying a voltage to the plurality of slaves B1 and C1 via the electric wire W14, and detection / illuminance determination and supply through the detection / illuminance signal determination unit 13c. The control unit 1 according to the sixth embodiment except that the supply voltage control to the plurality of slave units B1 and C1 via the voltage output unit 15c is performed.
7c, and a control unit 17d configured similarly to 7c.

In the automatic switch with the hot-wire sensor configured as described above, the brightness sensor 20 and the hot-wire sensor 2
1 is provided in each of the slave units C1 and B1, so that the degree of freedom in the arrangement of both the heat ray sensor and the brightness sensor can be improved. Further, since the parent device does not include the brightness sensor and the heat ray sensor, the structure of the parent device can be simplified. Further, since the two types of slaves B1 and C1 are connected to the master A7 via the common electric wire W14, wiring can be reduced.

In the seventh embodiment, the parent device is of a ceiling-mounted type, but may be of an eaves-under-mount type, a roof side-mount type, a wall-mount type, or a panel-mount type. Also, only ceiling-mounted sub units are used, but ceiling-mounted, eaves-mounted, roof-side, wall-mounted, or combinations of these are used. May be.

The master unit has neither a brightness sensor nor a hot-wire sensor, but may have at least one of a brightness sensor and a hot-wire sensor.

Further, in the seventh embodiment, as shown in the middle part of FIG. 15, in order to distinguish between the detection signal (see "Detection" in the figure) and the illuminance signal (see "Bright" and "Dark" in the figure). Alternatively, the voltage level may be different.

FIG. 16 is a perspective view of an automatic switch with a hot-wire sensor according to an eighth embodiment of the present invention, and FIG. 17 is a block diagram of the master unit and the slave unit of FIG. An embodiment will be described.

The automatic switch with a hot-wire sensor shown in FIG. 16 includes a plurality of slave units B1 in the same manner as the first embodiment, and differs from the first embodiment in that a master unit A8 and an electric wire W15 are provided. Switch E connected to master unit A8 through
1 is provided.

In FIG. 17, a parent device A8 is of a ceiling-mounted type, and includes a brightness sensor 10, an illuminance signal determination unit 12,
A detection signal determination unit 13ir, a supply voltage output unit 15ir, and a load switching control unit 16 are provided in the same manner as in the first embodiment.
A supply voltage output unit 15os for supplying a voltage to the power supply unit 1 via a wire W15; a signal level determination unit 14 for determining a setting corresponding to the signal level from a setting signal sent from the operation switch E1 via the wire W15; And a control unit 17e configured in the same manner as the control unit 17a of the first embodiment except that it performs signal determination through the signal level determination unit 14 and supply voltage control to the operation switch E1 via the supply voltage output unit 15os. ing.

The operation switch E1 is a wall-mounted type, and has a changeover switch (for example, a rotary switch) 301 for setting the state of the brightness sensor and a timer time (operation holding time).
Changeover switch (for example, rotary switch) 30 for adjustment
2, a set voltage output unit 31 that outputs a set voltage according to the setting to the set unit 30 to the master unit A8 via the electric wire W15 as a set signal, and a master unit A
And a voltage supply unit 32 that receives a supply of voltage from the power switch 8 via an electric wire W15 and supplies the voltage to each unit of the operation switch E1.

Here, the brightness sensor is a switch 3
According to the setting position of 01, the state is set to one of a total of eight levels of three levels of off, light, and dark and five levels of light and dark, and is turned counterclockwise from the off position to the dark position. It is configured such that the level of the set voltage becomes higher, for example, every time it is operated. That is, the configuration is such that the voltage level signal is transmitted to the parent device A8 to set the brightness.

The operation holding time is set to one of a total of eight steps, which are four steps of continuous on, long, short, and off and four steps of long and short, according to the setting position of the changeover switch 302.
The configuration is such that the level of the set voltage is increased, for example, every time it is rotated counterclockwise from the continuous on to the off position. That is, the voltage level signal is transmitted to the parent device A8 to set the timer time.

The automatic switch with the hot-wire sensor thus configured also has the brightness sensor 10 and the hot-wire sensor 2.
1 are provided in the parent device A8 and the child device B1, respectively, so that the degree of freedom in the arrangement of both the heat ray sensor and the brightness sensor can be improved. Further, since the wall-mounted operation switch E1 is provided, the operation and adjustment of the automatic switch with the hot-wire sensor are simplified.

In the eighth embodiment, only the ceiling-mounted slave unit is used.
It is also possible to adopt a configuration in which a slave unit having an under-eave mounting type, a roof side mounting type, a wall mounting type, or a combination thereof is used.

In the eighth embodiment, the operation switch is constituted by a rotary switch or the like which can be adjusted in multiple stages. However, the present invention is not limited to this. As shown in FIG. And the like. In this case, it is possible to make fine adjustments that meet the needs of the location.

In each of the embodiments described above and below, the load switching control section 161 includes a constant voltage circuit section 161, a switching section 162a, and a control section 163, as shown in FIG.
Opening / closing (off or on) of the opening / closing section 162a
May be a voltage contact configuration for supplying the power (voltage) of the power supply AC to the load LD via the electric wire W11, or, as shown in FIG. 20, a constant voltage circuit section 161, a switching section 162b, and a control section. 163, and an opening / closing unit 162
A non-voltage contact configuration in which both lines of the electric wire W11 are opened or short-circuited in accordance with opening and closing of b may be used. In the latter case, the degree of freedom of the load wiring is improved.

Further, in each of the embodiments, the automatic switch with a hot-wire sensor, which is constituted by connecting a slave unit having a hot-wire sensor to a master unit having a brightness sensor without a hot-wire sensor, The flow shown in FIG. 21 may be adopted as an illumination control operation corresponding to another mode without being limited to the illumination control operation corresponding to one mode.

In FIG. 21, when the power is turned on, the control unit of the parent device determines whether there is a child device input (detection input) (S10).

If there is no slave unit input (no in S10), the brightness of the surrounding illuminance is determined (S11). If the surrounding illuminance is bright (bright in S11), the control to turn off the power of the load LD as the output is turned off. Is performed (S12), and thereafter, the process returns to step S10. On the other hand, if the ambient illuminance is dark (dark in S11), control is performed to turn on the power of the load LD as the output is turned on (S13), and thereafter, the process returns to step S10.

If there is a slave unit input (yes in S10), it is determined whether or not there is slave unit current consumption detection (S14). If no slave unit current consumption is detected (no in S14), step S1 is performed.
On the other hand, if the current consumption of the slave unit is detected (S14).
), And the brightness of the surrounding illuminance is determined (S15). If the surrounding illuminance is bright (bright in S15), the process returns to step S14, while if the surrounding illuminance is dark (dark in S15), the presence or absence of a child device input is determined (S16).

If there is no slave unit input (no at S16), the process returns to step S14. If there is a slave unit input (yes at S16), timer operation is started as an operation holding time timer set (S17). Subsequently, control is performed to turn on the power of the load LD as the output is turned on (S18). Thereafter, it is determined whether or not there is a child device input (S19). If there is a child device input (yes in S19), the process returns to step S17. If there is no child device input (no in S19), type-up is performed. A determination is made (S20). If the time is not up (not yet in S20), the process returns to step S18. If the time is up (completed in S20), the output is turned off and the load L is set.
Control to turn off the power supply of D is performed (S21), and thereafter, the process returns to step S14.

That is, according to the above flow, as shown in FIG. 22, when only the parent device is in the energized state, on / off control of the load LD is performed according to the detection result of the brightness sensor. On the other hand, during the operation of the master unit, when the hot-wire detection is performed by the slave unit by the slave unit connection, similarly to the first mode, the load LD is controlled according to the detection results of the brightness sensor and the hot-wire sensor. On / off control is performed. Then, when the slave unit is removed, the on / off control of the load LD is performed again according to the detection result of the brightness sensor. This allows for use with only the brightness sensor,
The use of a brightness sensor and a hot-wire sensor is enabled.

A setting switch may be provided on the master unit to enable only the brightness without removing the slave unit, or to enable the heat ray sensor.

FIG. 23 is a perspective view of an automatic switch with a hot-wire sensor according to a ninth embodiment of the present invention, FIG. 24 is a block diagram of the master unit and the slave unit of FIG. 23, and FIGS. Ninth embodiment will be described below with reference to FIGS.

The automatic switch with a heat ray sensor shown in FIG. 23 is different from the seventh embodiment of FIG. 13 in that it has a plurality of slave units D1 having both a brightness sensor 20 and a heat ray sensor 21. A master unit A9 connected to the plurality of slave units D1 via an electric wire W12 is provided.

As shown in FIG. 24, the parent device A9 includes a load switching control unit 16 in the same manner as in the seventh embodiment, and differs from the seventh embodiment in that a plurality of slave units D1 A detection signal determination unit 13cw for determining the presence or absence of a person from a detection signal transmitted via the electric wire W12;
1 for performing a process such as control of a supply voltage output unit 15cw for supplying a voltage via the electric wire W12 to the automatic switch with the hot-wire sensor, and a mode setting and a supply voltage output according to the mode signal M, for example. The control unit 17f performs supply voltage control for the plurality of slaves D1 via the unit 15cw, and performs detection determination via the detection signal determination unit 13cw. The control unit 17f controls the voltage level of the electric wire W12 in accordance with the on / off state of the power supply of the load LD through the supply voltage output unit 15cw.

The slave unit D1 receives a voltage from the master unit A9 via the electric wire W12 in addition to the brightness sensor 20 and the hot-wire sensor 21, and supplies a voltage to the respective units of the slave unit D1. As shown in FIG. 25, at the time of a load output in which the power of the load LD is on, the detection signal is transmitted to the parent device A9 via the electric wire W12 only when the load LD is off, while the detection signal is bright when the power of the load LD is off. When the temperature is lower than the lighting illuminance and there is a heat ray detection, the master A
9 is provided with a signal control unit 25 for controlling transmission of a detection signal.

Here, the operation of the signal control unit 25 will be described. In FIG. 26, when the power is turned on, a process of determining the on / off state of the power of the load LD is performed as the presence or absence of the output signal of the parent device (S30).

When the power supply of the load LD is on (S3
If the power of the load LD is off (No in S30), the brightness of the surrounding illuminance is determined (S31). If the surrounding illuminance is bright (bright in S31), the process proceeds to step S32. While returning to S30, if the surrounding illuminance is dark (dark in S31), the process proceeds to step S32.

At step S32, it is determined whether or not hot-wire detection has been performed (S32). If no hot-wire detection has been performed (S32)
Returns to step S30, and if there is a heat ray detection (S
32, a detection signal is output to the parent device A9 via the electric wire W12 (S33). Thereafter, the process returns to step S30.

The automatic switch with the hot-wire sensor configured as described above can improve the degree of freedom in the arrangement of both the hot-wire sensor and the brightness sensor, and can also improve the slave unit D.
Since 1 has both the brightness sensor 20 and the heat ray sensor 21, the degree of freedom in layout design is improved.

In the ninth embodiment, the master unit has neither the brightness sensor nor the hot-wire sensor, but may have at least one of the brightness sensor and the hot-wire sensor.

In the ninth embodiment, FIG.
As shown in (a) to (c), an operation switch for setting the heat ray sensitivity, an operation switch for the brightness sensor, or a setting switch may be provided in the slave unit. By providing an operation switch for heat ray sensitivity setting, the sensitivity of the heat ray sensor can be set according to the application of the installation location,
By providing the operation switch for the brightness sensor, the illuminance can be adjusted according to the installation location. Further, by providing a setting switch, it is possible to set at least one of the brightness sensor and the heat ray sensor to operate,
As a result, the slave units can be shared, and the degree of freedom in arrangement design is improved.

[0082]

As is apparent from the above, according to the first aspect of the present invention, the master unit for turning on / off the power of the load using the detection results of the brightness sensor and the hot-wire sensor, A slave unit that is connected to the master unit and has one of the brightness sensor and the heat ray sensor, and outputs a detection result of the one to the master unit, and the other of the brightness sensor and the heat ray sensor is the master unit or Since the brightness sensor and the hot-wire sensor are provided in different locations connected to the master device and the brightness sensor and the hot-wire sensor are installed at different locations, the degree of freedom in the arrangement of both the hot-wire sensor and the brightness sensor is improved. Can be.

According to the second aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the brightness sensor and the hot-wire sensor are provided in the parent device and the child device, respectively, and the parent device is mounted on the ceiling. Since the output of the load has a contact structure with a voltage, the degree of freedom in the arrangement of both the hot wire sensor and the brightness sensor can be improved.

According to the third aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the brightness sensor and the hot-wire sensor are provided on the parent device and the child device, respectively, and the parent device is provided on a wall. Since the output of the load has a voltage contact structure, which is of a mounting type, an eaves mounting type, or a roof side mounting type, the degree of freedom in the installation location of the parent device is improved.

According to the fourth aspect of the present invention, in the automatic switch with a hot-wire sensor according to the second or third aspect, since the parent device has another hot-wire sensor, the area for detecting the presence or absence of a person can be expanded. Can be.

According to the fifth aspect of the present invention, in the automatic switch with the heat ray sensor according to the fourth aspect, the master unit has separate lenses for the brightness sensor and the heat ray sensor of the master unit, respectively. The measurement accuracy of the illuminance by the brightness sensor can be improved.

According to a sixth aspect of the present invention, in the automatic switch with the heat ray sensor according to the first aspect, the master unit is a ceiling-mounted type, and the output of the load has a voltage contact structure. There are two types of slaves, and the brightness sensor and the heat ray sensor are provided on one and the other of the two types of slaves, respectively, so that the structure of the master can be simplified.

According to the seventh aspect of the present invention, in the automatic switch with the hot-wire sensor according to the sixth aspect, the two types of slave units are connected to the master unit via separate signal lines. The degree of freedom in installing the brightness sensor is improved.

According to the invention described in claim 8, in the automatic switch with a heat ray sensor according to claim 6, the two types of slave units are connected to the master unit via a common signal line. Wiring becomes possible.

According to the ninth aspect of the present invention, in the automatic switch with the hot-wire sensor according to the first aspect, the brightness sensor and the hot-wire sensor are provided in the parent device and the child device, respectively, and the parent device is mounted on the ceiling. Since the output of the load has a non-voltage contact structure in the mounting type, the degree of freedom of the wiring of the load is improved.

According to the tenth aspect of the present invention, in the automatic switch with the heat ray sensor according to the second, third, fourth or sixth aspect, a wall-mounted operation switch connected to the master unit is provided. Operation and adjustment of the automatic switch with the hot-wire sensor are simplified.

According to the eleventh aspect, according to the second aspect,
Or in the automatic switch with a heat ray sensor described in 3,
The load is a lighting fixture, and the master unit turns on / off the power of the load according to a detection result of a brightness sensor of the master unit.
Since it has the function of turning off, it is possible to use only the brightness sensor and to use the brightness sensor and the heat ray sensor.

According to the twelfth aspect of the present invention, the first aspect is provided.
In the automatic switch with a heat ray sensor described in 0, the setting of the operation switch can be linearly adjusted, so that a fine adjustment can be made in accordance with the needs of the arrangement place.

According to the thirteenth aspect of the present invention, in the automatic switch with the heat ray sensor according to the second, third or fourth aspect, since the slave unit has another brightness sensor, the degree of freedom in layout design is improved. .

According to the fourteenth aspect of the present invention, the first aspect
3. In the automatic switch with a hot-wire sensor according to 3, since the slave has switching means for operating at least one of the hot-wire sensor and the brightness sensor of the slave, the degree of freedom in arrangement design is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of an automatic switch with a heat ray sensor according to a first embodiment of the present invention.

FIG. 2 is a block diagram of a parent device and a child device of FIG. 1;

FIG. 3 is an operation explanatory view of the automatic switch with a hot-wire sensor of FIG. 1;

FIG. 4 is a perspective view of an automatic switch with a hot-wire sensor according to a second embodiment of the present invention.

FIG. 5 is a perspective view of an automatic switch with a heat ray sensor according to a third embodiment of the present invention.

FIG. 6 is a perspective view of an automatic switch with a heat ray sensor according to a fourth embodiment of the present invention.

FIG. 7 is a perspective view of an automatic switch with a hot-wire sensor according to a fifth embodiment of the present invention.

FIG. 8 is a partial sectional view of the parent device of FIG. 7;

FIG. 9 is a block diagram of a parent device and a child device of FIG. 7;

FIG. 10 is a perspective view of an automatic switch with a hot-wire sensor according to a sixth embodiment of the present invention.

FIG. 11 is a block diagram of a parent device and a child device of FIG. 10;

FIG. 12 is a diagram illustrating an output example applicable to a slave unit according to a sixth embodiment.

FIG. 13 is a perspective view of an automatic switch with a hot-wire sensor according to a seventh embodiment of the present invention.

14 is a block diagram of the parent device and the child device of FIG.

FIG. 15 is a diagram showing an output example applicable to the slave unit of the seventh embodiment.

FIG. 16 is a perspective view of an automatic switch with a hot-wire sensor according to an eighth embodiment of the present invention.

17 is a block diagram of the parent device and the child device of FIG. 16;

FIG. 18 is a diagram showing another example applicable to the operation switch of the eighth embodiment.

FIG. 19 is a diagram illustrating a specific configuration example applicable to the load switching controller of each embodiment.

FIG. 20 is a diagram showing another specific configuration example applicable to the load switching controller of each embodiment.

FIG. 21 is a diagram illustrating an operation example of lighting control corresponding to another mode.

FIG. 22 is a time chart related to the operation example of FIG. 21;

FIG. 23 is a perspective view of an automatic switch with a hot-wire sensor according to a ninth embodiment of the present invention.

24 is a block diagram of the parent device and the child device of FIG. 23.

FIG. 25 is an explanatory diagram of the operation of the automatic switch with a heat ray sensor of FIG. 23;

26 is an explanatory diagram of the operation of the automatic switch with a heat ray sensor of FIG. 23.

FIG. 27 is a diagram showing an example of a switch applicable to the slave unit of the ninth embodiment.

[Explanation of symbols]

A1, A2, A3, A4, A5, A6, A7, A8, A
9 Parent device 10 Brightness sensor 11 Heat ray sensor 12 Illuminance signal determination unit 13ir Detection signal determination unit 13lm Illuminance signal determination unit 13c Detection / illuminance signal determination unit 13cw Detection signal determination unit 14 Signal level determination unit 15ir Supply voltage output unit 15lm Supply voltage Output unit 15os Supply voltage output unit 15c Supply voltage output unit 15cw Supply voltage output unit 16 Load switching control unit 17a Control unit B1, B2, C1, D1 Handset 20 Brightness sensor 21 Hot wire sensor 22 Illumination determination voltage output unit 23 Detection voltage Output unit 24ir Voltage supply unit 24lm Voltage supply unit 24c Voltage supply unit 25 Signal control circuit unit E1 Operation switch 30 Setting unit 31 Setting voltage output unit 32 Voltage supply unit

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tatsuya Abe 1048 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. 72) Inventor Takahiro Yamauchi 1048 Kazuma Kadoma, Kadoma-shi, Osaka F-term in Matsushita Electric Works Co., Ltd.

Claims (14)

[Claims] 1. A master unit for turning on / off a power supply of a load using detection results of a brightness sensor and a heat ray sensor, and one of the brightness sensor and the heat ray sensor connected to the master unit. A slave unit that outputs one detection result to the master unit, and the other of the brightness sensor and the heat ray sensor is provided in the master unit or another slave unit connected to the master unit, and the brightness sensor and An automatic switch with a hot-wire sensor in which the hot-wire sensors are installed at different locations. 2. The brightness sensor and the heat ray sensor are provided in the master unit and the slave unit, respectively, and the master unit is a ceiling-mounted type, and the output of the load has a voltage contact structure. An automatic switch with a heat ray sensor according to 1. 3. The brightness sensor and the heat ray sensor are provided in the master unit and the slave unit, respectively, and the master unit is a wall-mount type, a eaves-mount type, or a roof-side mount type, and has an output of the load. 2. The automatic switch with a hot-wire sensor according to claim 1, wherein the automatic switch has a voltage contact structure. 4. The automatic switch with a hot-wire sensor according to claim 2, wherein said master unit has another hot-wire sensor. 5. The automatic switch with a hot-wire sensor according to claim 4, wherein the master unit has separate lenses for a brightness sensor and a hot-wire sensor of the master unit, respectively. 6. The master unit is ceiling-mounted, the output of the load has a voltage contact structure, and the slave unit is
2. The automatic switch with a hot-wire sensor according to claim 1, wherein the brightness sensor and the hot-wire sensor are provided in one and the other of the two types of slave units, respectively. 7. The automatic switch with a hot-wire sensor according to claim 6, wherein the two types of slave units are connected to the master unit via separate signal lines. 8. The automatic switch with a hot-wire sensor according to claim 6, wherein the two types of slave units are connected to the master unit via a common signal line. 9. The brightness sensor and the heat ray sensor are provided in the master unit and the slave unit, respectively, and the master unit is a ceiling-mounted type, and the output of the load has a non-voltage contact structure. An automatic switch with a heat ray sensor according to 1. 10. The automatic switch with a hot-wire sensor according to claim 2, further comprising a wall-mounted operation switch connected to said master unit. 11. The load according to claim 2, wherein the load is a lighting fixture, and the master unit has a function of turning on / off the power supply of the load according to a detection result of a brightness sensor of the master unit. Automatic switch with heat ray sensor. 12. The automatic switch with a hot-wire sensor according to claim 10, wherein the setting of the operation switch is linearly adjustable. 13. The automatic switch with a hot-wire sensor according to claim 2, wherein the slave unit has another brightness sensor. 14. The automatic switch with a hot-wire sensor according to claim 13, wherein said slave unit has switching means for operating at least one of a hot-wire sensor and a brightness sensor of said slave unit.