JP4566342B2 - Measurement control system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention performs measurement in a limited space such as indoors, transmits the measurement result to the receiving unit by infrared communication, and the receiving unit stores the received measurement information in the collection device connected to the power line. The present invention relates to an intended measurement control system.
[0002]
[Prior art]
In order to transmit information on various sensors currently scattered around the house to a collection device such as a computer, the sensor and the computer are connected with a communication cable, or a wireless transceiver is installed in the sensor and the computer. The method of communicating with a machine is used.
[0003]
[Problems to be solved by the invention]
However, when the sensor and the computer are connected with a communication cable, wiring work is required. Especially when the sensor and the computer are in different rooms, or one of them is outdoors, it is necessary to construct a hole in the wall for wiring the communication cable. However, there is a problem that the cost is high.
[0004]
In addition, when the sensor and computer communicate with each other by radio waves, it is necessary to provide expensive radio transceivers for each, and since radio waves easily leak outside the house, there are problems in terms of privacy and security. is there.
[0005]
Furthermore, when the sensor and the computer communicate with each other only by infrared rays, there is a problem that they can be used only in the same room where the infrared rays reach.
[0006]
The present invention has been made paying attention to such a problem, and does not require wiring of a communication cable or construction to a building, and does not require expensive equipment such as a wireless transceiver, thereby ensuring privacy. An object of the present invention is to provide a measurement control system advantageous for maintaining security.
[0007]
[Means for Solving the Problems]
The invention of claim 1 is a sensor unit that communicates measurement information measured by a sensor and the sensor;
It communicates with the sensor unit, a measurement control system that includes a receiving unit that having a program for processing the measurement information of the previous SL sensors,
While performing communication between the sensor unit and the receiving unit by infrared communication means, the sensor unit and the receiving unit are provided in the house,
A program for managing information on the receiving unit and the sensor unit is built in, and a collection device that communicates with a terminal or a monitoring center is provided outside the house,
By providing address information to the sensor unit, a plurality of the sensor units are provided for the receiving unit,
The receiving unit and the collecting device are provided with power line carrier communication means, and communication between the receiving unit and the collecting device is performed via a power line .
[0008]
The invention of claim 2 is the measurement control system of claim 1,
By having each address information to the receiving unit, characterized by a plurality installing the receiving unit in the same chamber.
[0009]
The invention of claim 3 is that the sensor of one of the plurality of units is a fire sensor that detects a fire,
One of the other sensor units is a human detection sensor unit having a human detection sensor for detecting the presence or absence of a person,
Communication is performed between the human detection sensor unit and the receiving unit via a communication cable .
[0010]
According to a fourth aspect of the present invention, one of the remaining sensor units excluding the human detection sensor unit among the other sensor units has a temperature sensor for measuring a temperature in a room, and It is a sensor unit which performs communication by infrared communication means.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a measurement control system according to an embodiment of the present invention will be described with reference to the drawings.
[0014]
FIG. 1 is a schematic diagram of an embodiment of claims 1 to 4 of the present invention. A measurement control system arranged in a house 1 includes a sensor unit 3 including a fire sensor 2 and a temperature sensor 4. Sensor unit 5, sensor unit 7 having human detection sensor 6, receiving unit 8, collection device 9 for collecting measurement information, AC100V power line 10, communication cable 11, and setting of sensor units 3 and 5 And a setting device 30 (see FIG. 2) that performs infrared communication.
[0015]
The sensor unit of this system is installed in a place where wiring is difficult in the house 1 or where new wiring is not desired. In this infrared communication type measurement control system, a maximum of 225 sensor units can be connected to one receiving unit 8, and the maximum 225 units are grouped.
[0016]
In addition, the sensor unit groups can exist in a maximum of three groups in the same room or the like where infrared rays reach (not only indoors but also passages and outdoors can be installed). In each group, the wavelength of transmission and reception infrared rays and the carrier frequency are the same, and the group and sensor unit are identified by a program.
[0017]
The sensor unit of this system includes a 2-bit jumper switch, and has a normal mode, a TEST mode, a setting mode, and a disconnect mode depending on the setting of the jumper switch.
[0018]
In the normal mode, the sensor unit transmits ID information for recognizing itself to the receiving unit 8 to the receiving unit 8, and then sends measurement data of normal operation to the receiving unit 8.
[0019]
The TEST mode is one operation mode of the normal mode, but for the TEST, an event impossible flag is attached and transmitted when the sensor state changes. The receiving unit 8 can rewrite the data of each sensor unit of the receiving unit 8 itself.
[0020]
The setting mode is a mode in which communication with the setting device 30 is possible. In this setting mode, an ID for each sensor is set by setting from the setting device 30.
[0021]
In the erasing mode, when the erasing switch provided in each sensor unit is pushed, the sensor unit that pushed the erasing switch leaves the receiving unit 8 from the control of the receiving unit 8 by its own ID.
[0022]
At the time of transition to the normal mode, the sensor unit transmits self-information indicating whether it is possible or impossible to respond to a data transmission request, and whether or not it participates in a group. When the sensor unit changes to the erasing mode for leaving the group, the information is sent to the receiving unit 8, and the receiving unit 8 determines that there is a sensor unit in the erasing mode.
[0023]
The ID of the sensor unit becomes address information in infrared communication, transmission line carrier communication, and external communication network communication. In addition, the infrared sensor provided in each sensor unit has a type that transmits binary data of ON / OFF and a type that transmits analog data. Therefore, the sensor unit ID detects binary data. This is also information for discriminating between the sensor type and the analog data detection type, and when two sensors are connected to the sensor unit, the sensor unit has two IDs for identifying the sensor.
[0024]
Sensors that detect binary data include, for example, human detection, magnet switch, limit switch, micro switch, earthquake detection, fire detection, etc. Two types of binary data detection sensors can be connected to one sensor unit, It is driven by a battery.
[0025]
Sensors that detect analog data are expressed by changing quantitative data such as temperature, humidity, and illuminance to binary data. Two types of analog sensors can be connected to one sensor unit, and are driven by batteries. The
[0026]
The receiving unit 8 is connected to an AC 100V power line 10 and transmits measurement data from each sensor unit having an infrared communication function to the collection device 9 by the power line carrier communication method, and is supplied with power from the power line 10.
[0027]
The setting device 30 sets the ID of each sensor unit, and is used only at the time of installation or system change, and performs infrared communication with the sensor unit in the setting mode.
<Binary data type sensor unit>
Next, the sensor unit 3 which is an example of a binary data type sensor unit will be described. The sensor 2 of the sensor unit 3 is a type that detects binary data.
[0028]
As shown in FIG. 2, the sensor unit 3 controls the infrared light receiving unit 13, the infrared light emitting unit 14, the sensor 2, the sensor 2, the infrared communication unit 12 and the entire sensor unit 3 as the infrared communication unit 12. And a battery 16 as a power source, and has a sleep state and a way cup state.
[0029]
The sleep state of the sensor unit 3 is a state in which only the sensor 2 is activated and the functions of the microprocessor 15 and the infrared communication means 12 are stopped. The way cup state is a state in which the measurement information acquisition function from the sensor 2 and the microprocessor 15 and the infrared communication means 12 are activated. When the sensor unit 3 shows a predetermined change such as when the sensor 2 changes from OFF to ON (or from ON to OFF) in the sleep state, the sensor unit 3 supplies power to the microprocessor 15 and the infrared communication means 12 and is in the way cup state. Change. The microprocessor 15 transmits the measurement information acquired by the sensor 2 to the receiving unit 8 by the infrared communication means 12.
[0030]
The sensor 2 is a binary data detection sensor that detects a fire, and includes, for example, a thermistor or a smoke detection sensor. The sensor 2 constantly monitors abnormally high temperatures, smoke, etc., and informs that a fire has occurred when the measured temperature rises above a predetermined allowable temperature or the measured smoke concentration exceeds the allowable limit. As described above, a threshold is set for the detected temperature or the detected density.
[0031]
The sensor 2 supplies power from the battery 16 to the microprocessor 15, the infrared light emitting unit 14, and the infrared light receiving unit 13 when the detected temperature or the detected concentration exceeds a threshold value. With this power supply, the sensor unit 3 changes from the sleep state to the way cup state. The microprocessor 15 is connected to the power supply by the way cup of the sensor unit 3, changes its state to the way cup, receives detection data from the sensor 2, and outputs an infrared emission signal including the received detection data to the infrared emission unit 14. Then, the infrared light emitting unit 14 is caused to emit light.
[0032]
Although the sensor unit 3 can still drive the microprocessor 15 and the infrared communication means 12, the sensor unit 3 can be put to sleep even when the voltage of the battery 16 drops to such an extent that it cannot be driven after a predetermined time. Change from state to way cup state.
[0033]
In order to change the state of the sensor unit 3 due to a decrease in the battery 16, a circuit for detecting a decrease in the voltage of the battery 16 is provided, and when the current flowing through the circuit becomes a predetermined voltage or less, the battery 16, the microprocessor 15, and the infrared ray A circuit is configured to connect the communication means 12.
[0034]
When the sensor unit 3 changes to the way cup state, the microprocessor 15 is activated and the infrared communication means 12 transmits to the receiving unit 8 that the battery 16 has reached the end of its life.
[0035]
As described above, the microprocessor 15 captures the state of the sensor 2 and the battery voltage of the battery 16, and controls the control code indicating the control content, the sequence number indicating the number of times of detection data transmission, and the sensor unit that is the transmission source. The ID code of 3 and the ID code of the receiving unit 8 on the receiving side are added to the data of the transmission contents, and the infrared light emitting unit 13 is caused to emit light.
[0036]
Thereafter, the sensor unit 3 waits for an Acknowledge signal (hereinafter abbreviated as Ack signal) from the receiving unit 8.
[0037]
The infrared light receiving unit 14 receives infrared light from the light receiving unit 8, analyzes the data contained in the infrared light received by the microprocessor 15, and recognizes it as an Ack signal for the data transmitted by the sensor unit 3 itself. In such a case, the sensor unit 3 goes to sleep again.
[0038]
Here, when the sensor unit 3 does not receive the Ack signal for a certain period of time, for example, when the receiving unit 8 does not respond, the same signal is transmitted again (retries), waiting for infrared light reception, and waiting for the Ack signal from the receiving unit 8. It becomes. This waiting for the Ack signal again is repeated N times, and the sensor unit 3 enters a sleep state after N times.
[0039]
The sensor unit 3 also enters a sleep state by transmitting a setting command to the sensor unit 3 from a setting device capable of infrared communication.
[0040]
When the retry command is repeated N times and there is no Ack signal for the retry from the receiving unit 8, the fire detection data is lost. However, when the fire detection data is received by the receiving unit 8 when the sensor 2 has caused the next state change, a sequence number indicating the number of times the fire detection data has been transmitted is added to the transmission data. The unit 8 can determine that there is detection data that has not been received, and can search for the failure of the receiving unit 8 or the sensor unit 3 or the presence or absence of a factor that blocks infrared rays.
[0041]
In addition, by setting a jumper switch of the sensor unit 3, it is possible to receive infrared rays output from the receiving unit 8 to the sensor unit 3 in the sleep state and change the state of the sensor unit 3 from the sleep state to the way cup state. Therefore, an information terminal accessed via a communication line outside the house can check whether there is binary data such as a fire.
[0042]
As described above, the sensor unit 3 notifies the reception unit 8 that a fire has occurred by infrared communication, and the reception unit 8 is used for data collection provided in the wattmeter via the AC100V lamp line 10 by power line conveyance. The collection device 9 can be notified of fire information, and the collection device 9 can report to a monitoring center (not shown) such as the person's mobile phone, information terminal, fire department or security company by radio waves.
<Analog type sensor unit 5>
The sensor unit 5 includes an infrared light receiving unit 18 as an infrared communication unit 17, an infrared light emitting unit 19, a temperature sensor 4, a microprocessor 20 for controlling the temperature sensor 4, the infrared communication unit 17, and the entire sensor unit 7. And a battery 21 as a power source.
[0043]
The sensor unit 5 is in a sleep state in which only the infrared light receiver 18 is activated and power supply to the microprocessor 20 and the temperature sensor 4 is stopped, and power supply to the temperature sensor 4 and the microprocessor 20 and the infrared communication means 17. And a way cup state in which the communication function can be operated.
[0044]
In the sleep state of the sensor unit 5, when the infrared light receiver 18 receives a processing request by infrared communication from the receiving unit 8, in response to the processing request, the temperature sensor 4, the microprocessor 20, and the infrared communication means 17. The power is supplied to the state, and the state changes from the sleep state to the way cup state.
[0045]
The temperature sensor 4 is an analog sensor that measures the temperature in the room. The temperature sensor 4 includes an interface that measures temperature and converts temperature information into digital data. The measured temperature data is converted into digital data and output to the microprocessor 20. .
[0046]
When the way cup is performed, the microprocessor 20 takes in the temperature data detected by the temperature sensor 4, and obtains the control code indicating the control content, the ID code of the sensor unit 5 as the transmission source, and the ID code of the reception unit 8 as the reception side. In addition to the data of the transmission content, the infrared light emitting unit 19 is caused to emit light, and the acquired measurement information of the temperature sensor 4 is transmitted to the receiving unit 8. The microprocessor 20 changes the entire sensor unit 5 to the sleep state again after causing the infrared light emitting unit 19 to emit light.
[0047]
On the other hand, the receiving unit 8 retries N times when there is no reply for a certain period of time even if the temperature measurement command is output, and it is abnormal if there is no reply from the sensor unit 5 even after N attempts. A signal indicating this is transmitted to the collection device 9.
[0048]
As described above, the sensor unit 5 measures and notifies the temperature information by the temperature measurement command sent via the receiving unit 8, and the receiving unit 8 is provided in the wattmeter via the AC100V lamp line 10 by power line conveyance. The temperature information in the room is notified to the collecting device 9 for collecting data, and the collecting device 9 can notify the mobile phone or the information terminal of the person by radio waves.
<Cable communication type sensor unit>
The sensor unit 7 includes a pyroelectric sensor 6 for human detection, the pyroelectric sensor 6, a microprocessor 22, and a battery 7A as a power source. The sensor unit 7 is connected to the receiving unit 8 via the communication cable 11. The sensor unit 7 may include an infrared light emitting unit and an infrared light receiving unit for performing optical communication with the receiving unit 8.
[0049]
The pyroelectric sensor 6 is an infrared detection sensor that detects infrared rays emitted from the human body. The pyroelectric sensor 6 detects infrared rays emitted by a human body when a human is in a predetermined area (part or all of the room), and when the detected amount of infrared rays is equal to or greater than a predetermined amount, the sensor unit 3 Similarly, the microprocessor 22 is changed from the sleep state to the way cup state, and the microprocessor 22 determines that there is a person in the room when the human detection output of the pyroelectric sensor 6 continues for a predetermined time, and receives the signal. Output to unit 8.
[0050]
The sensor unit 7 is connected to the receiving unit 8 via a communication cable 11 and receives a human detection command issued from the monitoring center, mobile phone or information terminal via the collecting device 9 and the receiving unit 8. To do. When the sensor unit 7 receives the human detection command, the sensor unit 7 operates the pyroelectric sensor 6 to detect the presence or absence of a person, and returns the detection result to the request source or the like via the reception unit 8 and the collection device 9. Is possible.
[0051]
Each of the above-described microprocessors 15, 20, and 22 has a ROM and a RAM, and is supplied with power from the batteries 16, 21, and 23.
[0052]
The ROM stores a program for performing input / output operations and data processing of the entire sensor units 3, 5, 7, a data processing program and a communication program, and ID information of each sensor 2, 4, 6. . The RAM stores data detected by the sensor 4, the temperature sensor 4, and the pyroelectric sensor 6, and is used for holding a processing request received by the infrared communication unit 10 and holding a transmitted response.
[0053]
The receiving unit 8 is for infrared communication means 25 including an infrared light emitting unit 23 and an infrared light receiving unit 24 for performing infrared communication with the sensor units 3 and 5, and for power line carrier communication for performing power line carrier communication with an indoor and outdoor lamp line. AC / DC converter for supplying power to the transceiver 26, the microprocessor 27 connected to the sensor unit 7 by the communication cable 11, the infrared communication means 25, the transceiver 26, the microprocessor 27, and other peripheral devices in the receiving unit 8. The power supply 28 which consists of is provided.
[0054]
The transceiver 26 performs power line carrier communication between the microprocessor 27 and the collector 9 connected to the AC 100V power line.
[0055]
The microprocessor 27 includes a ROM / RAM and an input / output interface in addition to the CPU, is connected to the infrared communication means 25 and the transceiver 26, and collects the measurement information of the sensor units 3, 5, and 7 by the power line carrier system. Has a program for transmitting and receiving.
[0056]
The setting device 30 is a device that communicates with the sensor units 3, 5, and 7 on a one-to-one basis, and includes an infrared light emitting unit 31, an infrared light receiving unit 32, a microprocessor 33, a 7-segment display 34, a keypad 35, and an ACDC power supply 36. Consists of.
[0057]
In the setting mode of the sensor units 3, 5, and 7 by operating the keypad 35 of the setting device 30, the infrared light including the setting command output from the setting device 30 can be received, while the communication with the receiving unit 8 is performed. It becomes impossible. The data structure at the time of setting is different from the data structure between the receiving unit 8 and the sensor units 3, 5, and 7, and the transmission source and transmission destination IDs at the time of measurement are not used.
[0058]
The setting device 30 transmits an ID setting command to the sensor unit when in the setting mode. When the sensor unit receives the setting command, it registers the ID and outputs an Ack signal indicating that it has been received. The setter 30 receives this Ack signal, displays the contents of the ID on the 7-segment display 34, and determines whether or not it matches the transmitted ID. Further, the setter can check the ID of the 7-segment display 34 and the ID received from the sensor unit.
[0059]
The setting device 30 can also transmit an information request command (for example, a request for current information) other than the ID setting, and the sensor unit provides the requested information in response to this command.
[0060]
The setting device 30 has a monitor function for infrared communication, and displays the monitor function on the 7-segment display 34.
[0061]
The collecting device 9 is composed of a computer installed in a watt hour meter installed on the outer wall of a house or the like, in a case integral with the watt hour meter, or in another case.
[0062]
The collection device 9 is composed of a commercially available personal computer, microcomputer, floppy (registered trademark) , external storage device such as HDD or flash memory, and a display, and a communication modem for performing power line communication in the home. It has a modem, network card, TA, etc. that can communicate with an external communication network, and operates on a commercially available OS. The external communication network refers to, for example, the Internet, LAN, WAN, and other network systems, and the telephone includes wired and wireless.
[0063]
The external storage device stores a communication program, a measurement control program, and the like, a program having a control command for each sensor unit 3, 5, 7 and a measurement data collection command. When the external information terminal is authenticated by the collection device 9, the measurement information of the sensor units 3, 5, and 7 can be viewed and controlled.
[0064]
As an example of a program having a control command for units 3, 5, and 7 and a command for collecting measurement data, a virtual machine object in which operation commands and state information for sensor units 3, 5, and 7 are programmed in a distributed object language, An interface object that connects this virtual machine object to an external information terminal can be mentioned. If the collection device 9 is configured in this way, it is possible to control the sensor units 3, 5, and 7 and collect measurement information from an external information terminal.
[0065]
【The invention's effect】
According to the measurement control system of claims 1 to 6 of the present invention, since a communication cable is not used, it is possible to measure a place away from the outlet, and to perform construction such as drilling a building or the like. Since it is unnecessary, it does not impair the beauty of the building.
[0066]
Further, it is possible to provide a measurement control system advantageous for ensuring privacy and maintaining security without requiring expensive equipment such as a wireless transceiver.
[0067]
According to the measurement control system of the second aspect, by providing the sensor unit with address information, various measurement information can be detected by connecting a plurality of sensor units to the receiving unit.
[0068]
According to the measurement control system of the third aspect, it is possible to obtain a variety of measurement information by providing the receiving unit with address information and installing a plurality of receiving units in the same room.
[0069]
In addition, according to the measurement control system of the fourth aspect, the sensor unit has a sleep state and a way cup state, so that power is saved.
[0070]
In particular, according to the measurement control system of the fifth aspect, it is possible to observe information on the room or the like in response to a request from an external information terminal.
[0071]
In addition, according to the measurement control system of the sixth aspect, since it is possible to mix infrared communication and wired communication between the sensor unit and the receiving unit, a wide variety of measurements are possible.
[Brief description of the drawings]
FIG. 1 is a conceptual diagram of a measurement control system according to an embodiment of the present invention. FIG. 2 is a conceptual diagram of a sensor unit and a receiving unit in FIG.
2, 4, 6 Sensor 3, 4, 7 Sensor unit 8 Receiving unit 9 Collection device

Claims (4)

A sensor unit that communicates measurement information measured by the sensor and the sensor;
A measurement control system comprising a receiving unit that communicates with the sensor unit and has a program for processing measurement information of the sensor,
While performing communication between the sensor unit and the receiving unit by infrared communication means, the sensor unit and the receiving unit are provided in the house,
A program for managing information on the receiving unit and the sensor unit is built in, and a collection device that communicates with a terminal or a monitoring center is provided outside the house,
By providing address information to the sensor unit, a plurality of the sensor units are provided for the receiving unit,
A measurement control system characterized in that a power line carrier communication means is provided in the receiving unit and the collecting device, and communication between the receiving unit and the collecting device is performed via a power line. The measurement control system according to claim 1,
By having each address information to the receiving unit, a measurement control system characterized by a plurality installing the receiving unit in the same chamber. The sensor of one of the plurality of units is a fire sensor that detects a fire,
One of the other sensor units is a human detection sensor unit having a human detection sensor for detecting the presence or absence of a person,
The measurement control system according to claim 1, wherein communication is performed between the human detection sensor unit and the receiving unit via a communication cable. Among the other sensor units, one of the remaining sensor units excluding the human detection sensor unit has a temperature sensor that measures the temperature of the room, and communicates with the receiving unit by infrared communication means. The measurement control system according to claim 3, wherein the measurement control system is a sensor unit.

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