JP2006112851A - Human detection sensor and presence/absence control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of conventional devices for determining the directions of movements of human bodies, wherein it cannot determine whether a plurality of rooms are each occupied, since the conventional device determines only the directions of movements of human bodies for determining the directions of the movements of human bodies, in the order of two installed human-sensitive sensors in the case that humans have moved within detection regions of the human dection sensors. <P>SOLUTION: This human detection sensor is provided with a human-sensitive sensor means 101, in which two human-sensitive sensors 11 and 12 or more for detecting humans are installed so as not to mutually interefere the relative position of the boundary line on the boundary line of the entrance/exit to a closed space; a room entrance/exit determining means 102 for determining whether a human has entered a closed space or exited from it, on the basis of a time difference between detection signals from the plurality of human-sensitive sensors 11 and 12 of the human-sensitive sensor means 101; and a time difference setting means 103 for setting the time difference, as desired, for determination at the room entrance/exit determining means 102. The two human-sensitive sensors 11 and 12 or more are arranged at relative positions of a boundary line of an entrance/exit of the closed space on the boundary line in the inside and at the of outside the closed space, in such a way as not to interfere with each other. It is possible to adapt, as desired, changes in the detection response time of the human-sensitive sensors on the boundary line. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a human detection sensor that detects whether a person is present or absent in a closed space, and a presence / absence control system that controls home appliances using the human detection sensor.

  As a conventional human detection sensor, there has been a human body movement direction determination device as shown in FIG. 8 (for example, Patent Document 1).

  The example of this patent document 1 is demonstrated using FIG. In FIG. 8, the first and second human sensors 11A and 11B for detecting the human body in two regions on the moving path of the human body and the detection signals from the first and second human sensors are input. A human body movement direction determination device including first and second input terminals 14a and 14b, and a determination unit 16 that determines the movement direction of the human body based on the input order of the detection signals to these input terminals. 10, between the first and second human sensors 11 </ b> A and 11 </ b> B and the determination unit 16, the first and second input terminals of the first and second human sensors 11 </ b> A <b> 1 and B and the determination unit 16. The switching unit 14 that switches the correspondence relationship is provided.

The operation will be described below. The detection areas of the human sensors 11A and 11B are aligned along the movement path of the person and are adjacent to each other. The outputs of the human sensors 11A and 11B are amplified by the amplifiers 12A and 12B, respectively, shaped into rectangular waves by the comparators 13A and 13B, passed through the retrigger timers 15A and 15B, and then the first and second input terminals 16a and 16b of the MPU 16. To enter. The MPU (determination unit) 16 determines that the detection signal from the first input terminal 16a is human body detection in the outdoor detection area, and detects the detection signal from the second input terminal 16b in the detection area indoors. Based on these detection signals, the human body moving direction is determined. The switch 14 switches the connection relationship between the human sensors 11A and 11B and the input terminals 16a and 16b of the MPU 16.
JP 2001-296372 A

  However, in the above-described human body movement direction determination device, when a person moves within the detection area of two installed human sensors, the human sensor detection in the closed space is performed in order to determine the human movement direction in that order. When moving from the region to the outside of the region, etc., the signal is not necessarily input in a state where the two human sensor detection signals are continuous.

  In addition, since there is no guarantee that human movements have a stable speed and direction, detection by human sensors is input multiple times, and the time of input signals from two human sensors changes significantly. Therefore, it is difficult to accurately determine whether the user has entered or exited the closed space where the moving direction is difficult to grasp.

  Further, it is intended to determine the direction of movement of the person, and it cannot be determined whether the user enters or leaves the closed space, or is present or absent. In particular, when there is an entrance / exit on the boundary line of the adjacent closed space, the occupancy room cannot be recognized.

  In addition, it is difficult to uniquely determine the mounting position and to place the entire area in the closed space so that the two human sensors can detect without interference.

  In addition, when a plurality of people move within the detection area of the human sensor, the detection signals of the two human sensors are not limited to the detection signal of one person. Can not.

  In addition, when installing the human body movement direction determination device, there is a possibility that the positional relationship between the two human sensors and the relationship between the movement directions may be mistaken. Therefore, a switch that switches the input communication path of the sensor, A storage unit for storing the relationship is required, which increases costs.

  In addition, the number of entrances to the closed space is not limited to one in general households, and there are a plurality of entrances, and in this case, it cannot be determined whether the room is in a closed space or in an absent room. Further, when there are a plurality of people coming and going, it is not possible to determine further.

  The present invention solves the above-described conventional problems, and a human detection sensor and a presence sensor that can accurately determine a person's occupancy and absence by a simple method even when a plurality of entrances or a plurality of persons enter and exit. The purpose is to provide an absence control system.

  In order to solve the above-described problem, in the present invention, when there is only one entrance / exit of a closed space, the presence / absence of a person in the closed space is detected by using a communication network to control home appliances. It is a presence / absence control system, and two or more human sensors are installed on the boundary line of the entrance / exit to the closed space to detect people placed outside the closed space and inside the closed space so as not to interfere with each other at the relative position. The determination is made by the human sensor means, the entrance / exit determination means for determining whether to enter or leave the closed space from the time difference of the detection signals from the human sensor of the human sensor means, and the entrance / exit determination means. Time difference setting means for arbitrarily setting the time difference, and presence / absence determination means for determining whether a person is present or absent in the closed space from the determination result of the entry / exit determination means.

  By providing human sensors inside and outside the closed space on the boundary line, it is possible to easily avoid interference, and whether to enter or leave the room depending on the time difference of the detection signals of multiple human sensors with the boundary line as a relative position. It is possible to easily determine whether the room is present or absent from the entrance signal and the exit signal. In addition, by providing a time difference setting means for arbitrarily setting the time difference for determination by the entrance / exit determination means, even if the movement of the person is unstable or the time difference of the detection signal varies depending on the installation environment, Accurate detection is possible by setting together.

  Further, the display unit is configured to clearly indicate the direction of entry and exit of the person, and the inversion setting unit is configured to reverse the determination result of the entrance and exit determined by the entrance / exit determination unit.

  As a result, the installer can easily display the entrance / exit direction of the human detection sensor, and only one determination result can be obtained without providing a switch or recording device for switching between the two signals of entrance / exit. By simply turning it over, it is possible to easily change the wrong direction during installation, and it is also economical.

  In addition, when there are multiple entrances to a closed space using a communication network, a human detection sensor that detects the presence or absence of a person, a communication control device that controls home appliances, a communication control device, A presence / absence control system including a central device that performs transmission and reception, and the human detection sensor is arranged on the boundary line of the entrance and exit to the closed space so that the boundary line does not interfere with each other at the relative position. It is determined whether a person enters or exits a closed space based on a time difference between detection sensors from two or more human sensors of the human sensor, and two human sensors for detecting the arranged person. The communication control device includes an entrance / exit determination unit and a time difference setting unit that arbitrarily sets a time difference for determination by the entrance / exit determination unit, and the communication control device detects a plurality of persons installed respectively at a plurality of entrances / exits in a closed space. People in the closed space from the determination information of a plurality of entry and exit from the capacitors is configured to include a plurality standing absence determining means for determining whether the occupancy or absence chamber.

  As a result, even if there are multiple entrances and exits in a closed space, it is easy to determine whether a room is present or absent by simply determining whether the detected number of entrances and exits is the same or the number of exits. But it can be judged accurately. Further, even when a plurality of closed spaces are suitable in the home, it is possible to accurately determine in which closed space a person is occupying a room or a plurality of closed spaces simultaneously.

  As described above, according to the present invention, it is possible to easily determine whether the user enters or leaves the closed space based on the time difference of the detection signals of the multi-person sensors with the boundary line of the entrance / exit of the closed space as a relative position. In addition, it is possible to suppress erroneous detection due to the influence of the environment of the installation place by arbitrarily setting the entry / exit determination time based on the time difference of the detection signals of the multi-person sensors.

  1st invention detects the person arrange | positioned in the closed space outer side and the closed space inner side so that a boundary line may not mutually interfere on a relative position on the boundary line of the doorway to the closed space when there is one doorway of the closed space Human sensor means having two or more human sensors, and entrance / exit determination means for determining whether to enter or exit a closed space from the time difference of detection signals from a plurality of human sensors of the human sensor means; By providing time difference setting means that arbitrarily sets the time difference for determination by the entrance / exit determination means, it is possible to arbitrarily respond to changes in detection response time regardless of the arrangement state of the human sensor on the boundary line Therefore, it is possible to easily determine whether the user enters or leaves the closed space based on the time difference of the detection signals of the multi-sensors, and there is no false detection by arbitrarily setting the time difference in any installation environment. ,Man Knowledge can be made possible.

  The second invention detects a person arranged outside the closed space and inside the closed space so that the boundary line does not interfere with the relative position on the boundary line of the doorway to the closed space when there is one doorway to the closed space. Human sensor means having two or more human sensors, and entrance / exit determination means for determining whether to enter or exit a closed space from the time difference of detection signals from a plurality of human sensors of the human sensor means; Time difference setting means for arbitrarily setting a time difference for determination by the entry / exit determination means, and presence / absence determination means for determining whether a person is present or absent from the determination result of the entry / exit determination means The presence of a human detection sensor makes it possible to determine the presence / absence of a person in a room at home by the number of times of entering and leaving the room, and the presence / absence can be determined by an easy method of comparing the number of times. To have a proper structure Can.

  According to the third aspect of the invention, in particular, the presence / absence determination unit of the second aspect of the invention is a comparison / determination unit that compares and determines whether the number of entry information of the entry / exit determination unit and the number of exit information are different or the same number. Whether it is absent or occupying the room with the same number or different number, it is possible to make the determination means easy by simply determining whether or not the number is the same, and it is possible to greatly reduce the load on the human detection sensor and reduce the cost. it can.

  In particular, the fourth aspect of the invention is a display means for clearly indicating the direction of entry and exit of a person to the human detection sensor according to any one of the first to third aspects of the invention, and entrance and exit determined by the entrance / exit determination means. The reversal setting means for reversing the determination result in the reverse direction provides a clear and easy reversal of the direction for determining whether the human detection sensor is entering or exiting. Even if it is desired to change the setting, the setting can be easily changed and the display after the change can be confirmed.

  According to a fifth aspect of the present invention, there is provided a human detection sensor for detecting presence / absence of a person in a closed space when there are a plurality of entrances to the closed space using a communication network, and a communication control device for controlling home appliances And a presence / absence control system including a communication control device and a central device that transmits and receives information, and the human detection sensor does not interfere with each other at the relative position on the boundary line of the entrance to the closed space. The human sensor means having two or more human sensors for detecting a person arranged outside the closed space and inside the closed space, and the closed space based on the time difference of detection signals from a plurality of human sensors of the human sensor means The entrance / exit determination means for determining whether to enter or leave the room, and the time difference setting means for arbitrarily setting the time difference for determination by the entrance / exit determination means, the communication control device is provided at each of the plurality of entrances and exits of the closed space Setting Multiple presence / absence determination means for determining whether a person is present or absent in the closed space from the determination information of the plurality of entrance / exit determination means from the plurality of human detection sensors. By accurately grasping the presence / absence of a person in the room, the presence / absence control of the entire house can be easily and accurately performed.

  In the sixth aspect of the invention, in particular, the multiple presence / absence determination means of the fifth aspect of the invention includes an entry / exit number recording means for counting the number of times of entering / exiting information from a plurality of human detection sensors, and an entry / exit number of times recording means. The number of times of entering the room and the number of leaving the room are provided with a means for judging whether the number of exits is the same or different, thereby easily and accurately grasping the presence or absence of multiple closed spaces, and reducing the load on the human detection sensor. The human detection operation of the entire system can be facilitated.

  The seventh aspect of the invention is particularly a case where the closed space is arranged next to each other in the presence / absence determination means of any one of the fifth and sixth aspects of the invention, and the entrance / exit is connected in common, and the communication control Only the determination information of the entrance / exit determination means of one human detection sensor installed on the boundary line of the adjacent closed space is entered into one closed space and the other closed space is exited as a plurality of presence / absence determination means of the device By providing boundary line sensor determination means handled as reverse determination information, it is possible to determine entrance / exit of a closed space adjacent to each other with a single human detection sensor, thereby reducing the cost and simplifying the entire system. it can.

  The eighth invention is a program for causing a computer to execute at least a part of the presence / absence control system according to any one of the fifth to seventh inventions. Since it is a program, at least a part of the presence / absence control system of the present invention can be easily realized by cooperating hardware resources such as an electric / information device, a computer, and a server. In addition, the program can be distributed / updated and installed easily by recording on a recording medium or distributing the program using a communication line.

  In the ninth invention, in particular, the human sensor of any one of the first to seventh inventions is a stationary pyroelectric sensor, thereby detecting the amount of change in infrared rays caused by the movement of a person. Thus, the human sensor can be easily built into the human detection sensor.

  In a tenth aspect of the invention, in particular, when a person steps on a piezoelectric sensor in which the human sensor according to any one of the first to seventh aspects of the invention is arranged on the floor, the floor is moved when the person moves. It is detected by stepping on the piezoelectric sensor on the surface, and it is excellent in installation property that it can detect the movement of the person reliably and can be easily installed on the floor surface.

  In the eleventh aspect of the invention, in particular, the human sensor according to any one of the first to seventh aspects of the invention is configured by arbitrarily combining a stationary pyroelectric sensor and a piezoelectric sensor, thereby providing a ceiling surface and a floor surface. Thus, human detection is performed by detecting the signals from the sensors arranged in each of the sensors, so that the human detection accuracy can be improved and the dead zone area of the human sensor can be made as narrow as possible.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1, 2, and 3 show a configuration diagram of the human detection sensor according to the first embodiment of the present invention.

  1 shows the configuration of the human detection sensor 1001, FIG. 2 shows the case where the human detection sensor 1001 is installed on the boundary line of the room, and FIG. 3 shows the timing of the detection signals of the human sensors 11 and 12. It is shown.

  In FIG. 1, reference numeral 1001 denotes a human detection sensor installed at the boundary of the room entrance, and 11 and 12 human sensors installed at the boundary of the room entrance and detects people in opposite directions on the boundary, 102 Is an entry / exit determination unit that determines whether the user enters or exits based on the time difference between the detection signals of the human sensors 11 and 12, and 105 is a comparative determination that compares the number of times of entry and the number of exits from the determination result from the entry / exit determination unit 102. Means 104 is a presence / absence determination means for determining whether a room is present or absent from the magnitude determination result of the comparison determination means 105, and 103 is a detection of the human sensors 11 and 12 input to the entrance / exit determination means 102. Time difference setting means for setting a determination time for determining entry / exit from the time difference between signals, and 106, an inversion setting means for setting whether to invert the determination result of the entry / exit determination means 102 107 constitutes the display means the direction of the current entry or exit from the setting result of the reversing setting device 106 is displayed.

  In FIG. 2, 1 is a moving person, 2 is a door part which becomes a boundary line of the entrance / exit of the room, 2A is a door frame, and is an interference prevention plate, for example, so that the detection range of the human sensors 11 and 12 does not interfere. 1101 is the detection range of the human sensor 11, 1201 is the detection range of the human sensor 12, 301 is the entrance direction from the outside of the room to the room, 302 is the exit direction from the inside of the room to the outside of the room, 4 is It shows the power line connected to the home network. Here, the home network connection is a power line, but the same applies to wireless and Ethernet (registered trademark) wireless and wired.

  In FIG. 3, S1 is a detection signal of the human sensor 11, S2 is a detection signal of the human sensor 12, T1 is a time difference from detection of the human sensor 11 to detection of the human sensor 12, and T0 is a time difference setting means 103. It shows the set judgment reference value for the time difference judgment.

  Next, the operation and action of the human detection sensor having such a configuration will be described.

  As shown in FIG. 2, the description will be made assuming that the entrance direction 301 when the person 1 moves from the outside to the inside of the room is the entrance, and the opposite exit direction 302 is the exit. The human sensors 11 and 12 are installed by preventing the interference using the door frame 2A at the upper part of the door 2 on the boundary line of the entrance / exit of the room, perform human detection in a detection range that does not interfere with each other, and The human sensor 11 is installed inside the room so as to be within the detection ranges 1101 and 1201 of the human sensor 12.

  As shown in FIGS. 1 and 3, the detection of the human sensor 12 from the detection of the human sensor 11 is input to the entrance / exit determination means 102 with a time difference of T 1, and the time difference T 1 is set by the time difference setting means 103. The entrance / exit determination unit 102 determines when the time is T0. Next, the comparison / determination unit 105 compares the number of times of entering and leaving the room determined by the entering / leaving determination unit 102, and if the number of rooms is large, the comparison is based on the size comparison. Judge with.

  Next, the time difference setting means 103 arbitrarily sets the time from the size of the room, the height of the ceiling, and the human detection range, and sets the time difference of the entry / exit determination criterion T0 to prevent erroneous entry / exit determination.

  The inversion setting means 106 does not change the mounting direction of the person detection sensor 1001 but changes the entry direction or the exit direction after the person detection sensor 1001 is installed in the room. The result is inverted by setting the result, and as a result, the human detection sensor 1001 displays on the display means 107 in synchronization with the inversion setting means 106 which direction is set by the inversion setting means 106. . The display unit 107 can also be realized by using a slide switch or the like that functions as the display unit 107 by directly displaying the input of the inversion setting unit 106 on the surface of the human detection sensor 1001. The same is true if the entry / exit directions are displayed on the LED or the like by the setting of the inversion setting means 106.

  As described above, in the present embodiment, the entry / exit determination unit 102 determines entry / exit from the difference between the detection times of the human sensors 11 and 12, and the comparison / determination unit 105 compares the number of entry / exit determinations. As a result, the presence of the room is large, and the presence of the room is absent, and the absence of the room is large, so that the presence / absence of the room can be easily determined.

  Further, the time difference setting means 103 prevents the chattering detection of the human sensors 11 and 12 by setting the time difference of the determination criteria for determining the entrance / exit by the entrance / exit determination means 102, and the structure and size of the room. Can prevent false detection.

  In addition, when the inversion setting means 106 and the display means 107 easily reverse the direction of entry / exit determination and display the direction, when the detection sensor 1001 is installed in the room and it is desired to change the direction of entry / exit, The entrance / exit direction is changed without re-mounting, and the direction is always confirmed, so that installation is facilitated and errors in the entrance / exit direction can be prevented.

(Embodiment 2)
4, FIG. 5, FIG. 6, and FIG. 7 show a configuration diagram of the presence / absence control system according to the second embodiment of the present invention.

  FIG. 4 is a configuration diagram showing the configuration of the presence / absence control system using the home network 4. FIG. 5 is a configuration diagram of the presence / absence control system using the human detection sensors 1001B, 1002B, and 1003B installed in the room 1 and the room 2 adjacent to each other. FIG. 6 shows the timing of entry determination information of the person detection sensor when a person enters the room H1 and moves from the room 1 (H1) to the room 2 (H2) in the configuration of FIG. FIG. 7 shows a determination flowchart of the plural presence / absence determination means 501 of the communication control device 5.

  In FIG. 4, reference numeral 1001B denotes a human detection sensor, and the internal configuration is such that the comparison determination unit 105 and the absence determination unit 104 of the first embodiment are not mounted. 1002B and 1003B are the same as the human detection sensor 1001B. 4 is a home network that is connected to each household electrical appliance and the human detection sensors 1001B to 1003B, 5 is a communication control device that is connected to the home network 4 and the Internet network 7, and 501 is a signal based on a plurality of human detection sensors. A plurality of presence / absence determination means 502 for determining presence / absence of the person, a boundary line sensor determination means 502 for determining whether the human detection sensor 1003B installed on the boundary line between the room 1 and the room 2 enters and leaves the room.

  Reference numeral 503 denotes an entry / exit number recording means for recording the number of entry / exit information from each person detection sensor, and reference numeral 504 denotes a number determination means for determining which room is present / absent based on the number of entry / exit times. .

  Reference numeral 7 denotes a dedicated line or the Internet network, and reference numeral 6 denotes a central device serving as a data management and server via the dedicated line or the Internet network 7. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

  In FIG. 5, H1 and H2 are rooms adjacent to each other, D1, D2, and D3 are doors provided in each room, and the door D3 is a common doorway for the room H1 and the room H2. Reference numeral 112 denotes a moving direction from the room H1 to the room H2, and 121 denotes a moving direction from the room H2 to the room H1. Reference numerals 1001B to 1003B denote human detection sensors, which are installed at the entrances and exits of the rooms, and the human detection sensor 1003B is installed at the entrance D3 common to the room H1 and the room 2.

  In FIG. 6, I1 is an entry determination signal on the room H1 side of the person detection sensor 1001B, I3 is an entry determination signal on the room H1 side of the person detection sensor 1003B, and the entry determination signal on the room H2 side of the person detection sensor 1002B is detected. It is the timing in the state that has not been done.

  In FIG. 7, F1 indicates a determination process of the plural presence / absence determination unit 501 of the communication control device 5, F2 indicates a sensor type determination as to whether or not a human detection sensor is installed on a boundary line, and F3 indicates a boundary When the person detection sensor 1003B on the line detects, the entry / exit determination for determining whether the room H2 is entered or exited, F4 is the H1 entry information from the person detection sensor 1001B not installed on the boundary line, and F5 is the person detection The information detected by the sensor 1003B is H2 entry information when entering the room, and F6 is H1 exit information that simultaneously treats the information of the opposite room H1 as exit.

  F7 is H2 exit information when leaving the room H2 when the human detection sensor 1003B detects, and F8 is H1 entrance information that is treated as entering the room H1 at the same time. F9 is the number of entry / exit records in which the entry / exit information for each room is recorded from the human detection sensor, and F10 is the number of entry / exit in each room from the number of entry / exit records F9. The presence / absence processing unit for determining whether there is a room, F11 is a determination result indicating absence room information because the number of rooms H1 is the same, and F12 is a determination result indicating room presence information because the number of rooms H2 is different.

  Next, the operation and action of the presence / absence control system configured as described above will be described.

  The central device 6 communicates with the communication control device 5 of each home using a dedicated line or the Internet network, and the operations of the human detection sensors 1001B to 1003B in the home by a request from the user or a report from the communication control device 5 Collect the situation.

  The human detection sensor 1001B is the same as the human detection sensor 1001 of the first embodiment, and does not perform the presence / absence determination in a configuration in which the comparison determination unit 105 and the presence / absence determination unit 106 are not provided. Detect exit information. With the human detection sensors 1001B, 1002B, and 1003B having this configuration installed as shown in FIG. 5, a person enters the room H1 from the entrance D1 and then exits the room H1 from the entrance D3 and enters the room H2. In this case, as shown in FIG. 6, the person detection sensor 1001B performs room entry detection I1, and the person detection sensor 1003B performs room entry detection I3. The human detection sensor 1002B does not detect.

  Next, determination of presence / absence of adjacent rooms in FIGS. 5, 6, and 7 will be described. The communication control device 5 registers in advance the positional relationship between the rooms H1 and H2 and the human detection sensors 1001B to 1003B and the human detection sensor 1003B on the boundary line between adjacent rooms. Next, the communication control device 5 that has acquired the information of this room entry detection I3 by acquiring the room entry / exit information (flow chart F2) from the room entry / exit judgment unit 102 of the person detection sensors 1001B to 1003B determines the presence / absence of a plurality. The entry information (flowchart F4) from the human detection sensor 1001B is inputted by the means 501, and the entry information (flowchart F5) for entering the room H2 according to the moving direction 112 (flowchart F3) of the human detection sensor 1003B is first inputted by the boundary line sensor determination means 502. At the same time, it is also determined as the leaving information (flow chart F6) of the room H1. As a result, the number of times of entry recording means 503 (flowchart F9) records that the room H1 is entered once, the room H1 is exited once, and the room H2 is entered once.

  Next, the number of entry / exit times recorded by the entry / exit number recording means 503 is determined by the number determination means 504. In the room H1, the number of entry times is 1, and the number of exit times is the same. Since the number of times of entering the room is zero, it is determined that the user is in the room (flow charts F10 to F12). This result becomes the determination result of the plural absence determination means 501, and the communication control device determines which room is in the room and which room is in the absence room. The home appliances 81 and 82 connected to the home network 4 are controlled based on the determination result. For example, turning off home appliances in absent rooms.

  Further, even when a plurality of people enter and exit the rooms H1 and H2, the number of entry / exit of the person detection sensors 1001B to 1003B is counted by the entry / exit number recording unit 503 in the same manner, It can be determined whether the room is absent or absent.

  Note that the means described in this embodiment causes hardware resources such as a CPU (or microcomputer), a RAM, a ROM, a storage / recording device, an electrical / information device including an I / O, a computer, a server, and the like to cooperate. You may implement with the form of a program. In the form of a program, new functions can be easily distributed / updated and installed by recording them on a recording medium such as magnetic media or optical media or distributing them via a communication line such as the Internet.

  Even if the human sensors 11 and 12 are configured as a static pyroelectric sensor and a piezoelectric sensor, the same functions, operations, and effects can be performed. Further, when the piezoelectric sensor is a human sensor, it is possible to easily detect the movement of the person's doorway on the floor.

  When the human sensor is arranged in any combination of a piezoelectric sensor and a stationary pyroelectric sensor, it can be combined with the detection signal of the piezoelectric sensor even if there is a false detection due to sunlight from the pyroelectric sensor. False detection can be prevented.

  It is also possible to perform presence / absence control using only the human detection sensor or the communication control device 5 connected to the home network 4 in the home without using the central device 6 or the Internet network 7.

  Although the description has been made using two of the human sensors 11 and 12, the same functional effect can be realized by discriminating three or more human sensors for each time difference.

  As described above, the present invention makes it possible to accurately and easily detect the presence / absence of a person in a home, and to accurately control the presence / absence of home appliances in the home by the detection. Depending on whether there is an intruder in the sleeping home, the customer can be notified without malfunction. This can be applied to uses such as home security systems in addition to home appliance presence / absence control systems.

Configuration diagram of human detection sensor according to Embodiment 1 of the present invention The block diagram installed on the boundary line of the human detection sensor of Embodiment 1 of this invention The figure which shows an example of the detection timing of the human sensitive sensor of Embodiment 1 of this invention. Configuration diagram of presence / absence control system according to Embodiment 2 of the present invention The figure which shows an example of the room installation of the human detection sensor of Embodiment 2 of this invention The figure which shows an example of the timing of the entrance / exit information of the human detection sensor of Embodiment 2 of this invention. Operation flowchart of human detection sensor according to embodiment 2 of the present invention Configuration diagram of a conventional human detection sensor

Explanation of symbols

11, 12 Human sensor 2 Entrance / exit boundary (door)
4 Home network 5 Communication control device 6 Central device 7 Dedicated line or Internet network 11A, 11B Human sensor 12A, 12B Amplifier 13A, 13B Comparator 14 Switcher 14a, 14a Switcher input terminal 14a ', 14b' Switcher output terminal 15A , 16B Re-trigger timer 16a, 16b MPU determination unit 21 Entrance display unit 22 Exit display unit 81, 82 Home appliance (air conditioner, lighting device, etc.)
101 Human sensor unit 102 Entrance / exit determination unit 103 Time difference setting unit 104 Presence / absence determination unit 105 Comparison determination unit 106 Reverse setting unit 107 Display unit 112 Direction of movement from room H1 to room H2 121 Direction of movement from room H2 to room H1 301 Entry direction 302 Exit direction 501 Multiple presence / absence determination means 502 Boundary line sensor determination means 503 Entry / exit number recording means 504 Number of times determination means 1001, 1001B, 1002B, 1003B Human detection sensor 1101, 1201 Detection range of human detection sensor

Claims (11)

When there is only one entrance to and from the closed space, there are two human sensors that detect persons placed outside the closed space and inside the closed space so that the boundary lines do not interfere with each other on the boundary line of the closed space. At least one human sensor means, an entrance / exit determination means for determining whether to enter or exit a closed space from a time difference of detection signals from a plurality of human sensors of the human sensor means, and an entrance / exit determination means A human detection sensor comprising time difference setting means for arbitrarily setting a time difference for determination, and capable of arbitrarily responding to a change in detection response time due to an arrangement state of human sensors on a boundary line. When there is only one entrance to and from the closed space, there are two human sensors that detect persons placed outside the closed space and inside the closed space so that the boundary lines do not interfere with each other on the boundary line of the closed space. At least one human sensor means, an entrance / exit determination means for determining whether to enter or exit a closed space from a time difference of detection signals from a plurality of human sensors of the human sensor means, and an entrance / exit determination means Human detection sensor comprising time difference setting means for arbitrarily setting a time difference for determination, and presence / absence determination means for determining whether a person is present or absent in a closed space from the determination result of the entry / exit determination means . The presence / absence determination means is a comparison determination means for comparing whether the number of entry information of the entry / exit determination means and the number of exit information is different or the same number, and determining whether there is absence or presence in the same number or different number. The human detection sensor according to claim 2. The display means for clearly indicating the direction of entry and exit of the person, and the inversion setting means for reversing the entry / exit judgment result determined by the entry / exit determination means in the reverse direction, and the installer enters and exits the person detection sensor. The human detection sensor according to claim 1, wherein the human detection sensor can be easily determined or reversed. When there are a plurality of entrances to a closed space using a communication network, a human detection sensor for detecting the presence / absence of a person in the closed space, a communication control device for controlling home appliances, and a communication control device A presence / absence control system comprising a central device for transmitting and receiving information,
The human detection sensor is a person who has installed two or more human detection sensors on the boundary line of the entrance and exit to the closed space to detect people placed outside the closed space and inside the closed space so as not to interfere with each other at the relative position. A time difference for determining by the entrance / exit determination means, and a entrance / exit determination means for determining whether to enter or exit the closed space from a time difference of detection signals from a plurality of the presence sensors of the presence sensor means. And time difference setting means for arbitrarily setting,
The communication control device determines whether a person is present or absent in the closed space from determination information of the plurality of entrance / exit determination means from the plurality of human detection sensors respectively installed at a plurality of entrances and exits of the closed space. A presence / absence control system comprising: a plurality of presence / absence determination means configured to perform presence / absence control in a closed space. Multiple presence / absence determination means The number of entrance / exit times recording means for counting the number of times of entering / exiting information from multiple human detection sensors, and whether the number of entrances and exits from the entrance / exit number recording means is the same or different 6. A presence / absence control system according to claim 5, further comprising a number-of-times determination means for determining whether there is an absence or occupancy in the same or different number. The entrance / exit of one human detection sensor installed on the boundary line of the adjacent closed space in the presence / absence determination means of the communication control device when the closed spaces are arranged next to each other and are connected in common. The presence / absence control according to claim 5 or 6, further comprising boundary line sensor determination means that treats the determination information of the determination means as one of the closed spaces as an entrance and the other closed space as an exit and as reverse determination information. system. A program for causing a computer to execute at least a part of the presence / absence control system according to claim 5. The human detection sensor and presence / absence control system according to claim 1, wherein the human detection sensor is a stationary pyroelectric sensor. 8. The human detection sensor according to claim 1, wherein the human detection sensor is a piezoelectric sensor and is detected by a person stepping on a piezoelectric sensor disposed on a floor surface. Absence control system. The human detection sensor is configured by arbitrarily combining a static pyroelectric sensor and a piezoelectric sensor, and detects human signals by detecting signals from each sensor placed on the ceiling and floor. The human detection sensor and presence / absence control system according to claim 1, wherein the human detection sensor is present.

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