JPH1166479A - Environment monitor system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install an environment system in a narrow space by making one of plural channels correspondent to one of various sensors, calling a repeater for each address and simultaneously sending the detection levels of various sensors corresponding to the repeaters. SOLUTION: Based on addresses A1-A4 of respective repeaters C1-C4, a personal computer(PC) 1 for alarm at a reception part RE successively and cyclically calls the respective repeaters C1-C4 and collects the respective detection levels of various sensors collected by the respective called repeaters C1-C4. Besides, the repeaters C1-C4 are provided with plural channels and one of plural channels is made correspondent to one of plural very high sensitivity smoke sensors SE1-SE15 or one of various sensors. The reception part RE calls the repeaters C1-C4 for each address, and the called repeater simultaneously sends out the detection levels of the respective smoke sensors SE1-SE15 or various sensors made correspondent to the repeater and alarm information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an environment monitoring system.

[0002]

2. Description of the Related Art Ultra-high sensitivity smoke sensors are used in clean rooms, computer rooms, factory automation factories, hospitals where small environmental abnormalities directly affect human life, and the like, where special air conditioning systems are required. This ultra-high-sensitivity smoke sensor is intended to detect very early fires as soon as possible, and to detect abnormal smoke with an ultra-high sensitivity about 1000 times that of a smoke detector used for ordinary automatic fire alarm equipment. is there. In addition, this ultra-high sensitivity smoke sensor usually sucks using a fan as a sampling method, and scattered light from a strong light source
Lean smoke can also be detected.

In the conventional environmental monitoring system using the above-described ultra-high sensitivity smoke sensor, the maximum output level of the ultra-high sensitivity smoke sensor is divided into 10 levels, and a predetermined level is divided among the 10 levels. Is set in advance as an alarm level, and the current output level of the ultra-high sensitivity smoke sensor is
The predetermined level is displayed on a predetermined display device, and the current output level of the ultra-high sensitivity smoke sensor is compared with a predetermined alarm level. If the alarm level is equal to or higher than the predetermined alarm level, abnormality notification is performed.

[0004]

In the above conventional example, one display device is provided corresponding to one ultra-high-sensitivity smoke sensor. It is necessary to provide the same number of display devices as the ultra-high sensitivity smoke sensor, and as the number of ultra-high sensitivity smoke sensors to be installed increases, the number of display devices to be installed increases, and the size of the receiver in the environmental monitoring system increases. I do. For this reason, if a large number of ultra-high sensitivity smoke sensors are to be installed, the area occupied by the receiving unit in the environment monitoring system must be increased, and the environment monitoring system having a large number of ultra-high sensitivity smoke sensors must be installed in a small space. There is a problem that can not be installed.

[0005] The same problem as described above also occurs in an environment monitoring system having a number of various sensors instead of a number of ultra-high sensitivity smoke sensors.

An object of the present invention is to provide an environment monitoring system that can install an environment monitoring system having a large number of various sensors in a small space.

[0007]

According to the present invention, there are provided a plurality of repeaters which collect detection levels detected by various sensors and which are provided with different addresses from each other. Based on the above, the repeaters are sequentially and cyclically called, and a collecting unit that collects the respective detection levels of the various sensors collected by the called repeater and the detection levels of the plurality of various sensors are simultaneously displayed. A receiving unit having a display unit, wherein the repeater includes a plurality of channels, one of the plurality of channels is associated with one of the plurality of various sensors, and the receiving unit includes: Calling the repeater for each of the addresses, and the called repeater collectively transmits the detection levels of the various sensors associated with the repeater. An environmental monitoring system that.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing an environment monitoring system EW1 according to one embodiment of the present invention.

The environmental monitoring system EW1 includes an ultra-high sensitivity smoke sensor SE1 to SE15, and temperature sensors SE101 and SE15.
103, SE105, SE107 and humidity sensor SE1
02, SE104, SE106, SE108, water leak sensors SE110 to SE114, and seismic sensor SE115
, Relay boards CB1 and CB2, an alarm board AB1, a receiving section RE, a personal computer PC2 for a display, and a personal computer PC3 for maintenance and inspection.

Each of the ultra-high sensitivity smoke sensors SE1 to SE15 connected to the repeater board CB1 has a channel C
Channels CH1 to CH15 are assigned to the ultra-high sensitivity smoke sensors SE1 to SE15 respectively assigned to H1 to CH15 and connected to the alarm board AB1, and the temperature and humidity sensors SE101 to SE101 connected to the relay panel CB2.
SE108, water leak sensors SE110 to SE114, and seismic sensor SE115 have channels CH1 to C, respectively.
H15 is assigned.

[0011] The repeater board CB1 includes I / V converters SC1 to SC1.
SC3, a repeater C1, and an indicator light LA1.

The I / V converter SC1 receives the current data output from the ultra-high sensitivity smoke sensors SE1 to SE5, converts the input current signal into a voltage signal, and generates a density signal and a density signal according to an instruction from the repeater C1. This is to switch and output an airflow signal. The I / V converter SC2 receives the current data output from the ultra-high sensitivity smoke sensors SE6 to SE10, converts the input current signal into a voltage signal, and converts the density signal and the airflow signal according to the instruction of the repeater C2. Is switched and output. The I / V converter SC3 inputs the current data output from the ultra-high sensitivity smoke sensors SE11 to SE15,
This input current signal is converted into a voltage signal, and the repeater C
In response to the instruction of No. 3, the density signal and the airflow signal are switched and output.

The repeater C1 includes I / V converters SC1 to SC
3 is switched and controlled by the RS485 to input the voltage signal output by No.3, and an address A1 is given to the voltage signal.

The alarm board AB1 includes motherboards MB1 to MB
B3, control unit CT1, repeater C2, indicator light LA2
And

The motherboard MB1 inputs the current data output from the ultra-high-sensitivity smoke sensors SE1 to SE5 to the control unit CT1 and, when the control unit CT1 determines that an alarm has occurred, outputs the output by a relay for notification. . Motherboard MB
Numeral 2 is for inputting the current data output from the ultra-high sensitivity smoke sensors SE6 to SE10 to the control unit CT1, and when the control unit CT1 determines that an alarm has occurred, the control unit CT1 outputs the output by the relay for notification. Motherboard MB3 is an ultra-sensitive smoke sensor SE
The current data output by the SE11 to SE15 is input to the control unit CT1, and when the control unit CT1 determines that an alarm has occurred, the current is relayed and output by the relay for notification.

The repeater C2 includes motherboards MB1 to MB
3 is inputted with a voltage signal to be outputted via an address 3 and an address A2 is given to the voltage signal.

The control unit CT1 includes an ultra-high sensitivity smoke sensor SE1.
To convert the current signal output from SE15 into a voltage, display a bar graph, determine a preset alarm level and delay time, and blink an alarm lamp.

The relay board CB2 includes a temperature and humidity controller 21;
Signal converters 22 and 23, repeater C3, indicator light LA3
And

The repeater C3 receives the voltage signals output from the temperature / humidity controller 21 and the signal converters 22 and 23, and is provided with an address A3.

The receiving unit RE comprises: a personal computer PC1 for alarm;
Alarm unit display unit 31 and alarm unit control unit 32
And a color printer CP. Color printer C
P changes the color of printing according to the content of an alarm or the content of an operation (such as operation of an acoustic switch or a switch of a repeater). When printing an alarm, for example, red and magenta are used, when printing a recovery, for example, cyan is used, and when printing an operation, for example, black is used.

The alarm unit control section 32 has a repeater C4, and controls the LED and the buzzer of the alarm unit display section 31 according to the transfer signal and the abnormal signal received from the repeaters C1 to C3. is there.

The repeater C4 is connected to the personal computer PC1 for alarm via the RS232C, and is provided with an address A4.

The personal computer for alarm PC1 is connected to each of the repeaters C1,
Based on the addresses A1, A2, A3, and A4 of C2, C3, and C4, each of the repeaters C1 to C4 is sequentially and cyclically called, and each of the various sensors collected by each of the called repeaters C1 to C4. The CRT of the personal computer PC1 is an example of a display unit that simultaneously displays the detection levels of a plurality of various sensors. The alarm unit display unit 31 and the alarm unit control unit 32 This is an example of an alarm unit that issues an alarm when receiving from a repeater that the detection levels of various sensors have reached a predetermined alarm level.

The alerting personal computer PC1 is connected to the repeaters C1, C2, and C3 via the RS485, and
The status information output by B1, the alarm board AB1, and the relay board CB2 is taken in, the states of various sensors are displayed, and the detection levels and alarm histories are recorded and stored.

The repeater has a plurality of channels, one of the plurality of channels is associated with one of a plurality of ultra-high sensitivity smoke sensors or one of various sensors, and the receiving unit is , A repeater is called for each address, and the called repeater collectively sends out the detection level and alarm information of each of the ultra-sensitive smoke sensor or various sensors associated with the repeater. is there.

The display personal computer PC2 is a personal computer PC.
Among the operations 1, the same operation as the operation other than the operation of sequentially calling the repeaters is executed.

The maintenance personal computer PC3 measures the delay time, measures the current value of the signal, and measures the smoke suction delay time.

FIG. 2 is a block diagram showing the I / V converter SC1 in the above embodiment.

The I / V converter SC1 includes an MPU, a watchdog timer WDT, a smoke density / airflow signal switching control circuit, an IV conversion circuit, various switches, and an LED.
It has a control circuit, an RS485 transmission circuit, and an external broadcast control circuit.

The configuration of the I / V converters SC2 and SC3 is the same as the configuration of the I / V converter SC1.

FIG. 3 is a block diagram showing the repeater C1 in the above embodiment.

The repeater C1 includes an MPU, a WDT, a reference voltage VREF, a ROM, an EEPROM, a RAM,
It has an analog input control circuit, an I / V converter control circuit, a contact input control circuit, a state input / output circuit, an LED control circuit, a switch, a transmission circuit, and an external transfer control circuit.

The construction of the repeaters C2, C3 and C4 is
The configuration is the same as that of the repeater C1.

Next, the operation of the above embodiment will be described.

FIG. 4 shows a repeater C2 in the above embodiment.
It is a block diagram which shows C3.

FIG. 5 is a flowchart for explaining the operation of the repeater C1 in the above embodiment.

First, the ultra-high sensitivity smoke sensors SE1 to SE15
(S1), and if the mode at that time is the monitoring mode (S2), the repeater C1 makes an alarm determination according to the set control data (S3), and makes this alarm determination. The result status information is sent to the personal computer PC1 (S4). On the other hand, if the mode at that time is the test mode (S2), an alarm judgment is made according to the test data (S5), and the status information as a result of the alarm judgment is sent to the personal computer PC1 (S4).

FIG. 6 is a flowchart showing the data acquisition operation (S1) in the above embodiment, and is a flowchart showing the data acquisition operation when acquiring data from the ultra-high sensitivity smoke sensors SE1 to SE15.

First, the smoke density / air flow signal switching control circuit outputs a control signal for smoke density measurement (S11), and the smoke signal data of channels CH1 to CH15, which are the output data of the ultra-high sensitivity smoke sensors SE1 to SE15, are output. Acquisition (S1
2) The smoke density / airflow signal switching control circuit outputs a control signal for airflow data measurement (S13), and the channel CH1 which is output data of the ultra-high sensitivity smoke sensors SE1 to SE15.
The airflow data of CH15 is acquired (S14).

Then, the average value of the smoke signal data of each of the channels CH1 to CH15 is calculated and stored in the RAM (S1).
5). In this case, among the past ten acquired data in each of the channels CH1 to CH15, eight data excluding the maximum value and the minimum value are averaged. The smoke signal data of each channel CH1 to CH15 is converted into smoke density data (S16), the reference or offset data is subtracted from the smoke density data of each channel CH1 to CH15 (S17), and the smoke density data is transmitted. The data is processed and stored (S18). Also, each channel CH
The average value of the airflow data of 1 to CH15 is calculated and stored (S19). Also in this case, each of the channels CH1 to CH15
Of the last 10 obtained data, except for the maximum value and the minimum value, are averaged.

FIG. 7 is a flowchart showing the data acquisition operation (S1) in the above embodiment. The temperature and humidity sensors SE101 to SE108 and the water leak sensors SE110 to SE other than the ultra-high sensitivity smoke sensors SE1 to SE15 are shown.
14 is a flowchart illustrating a data acquisition operation of the relay board CB2 when acquiring data from the seismic sensor SE115.

First, the analog data of each of the channels CH1 to CH15 is obtained (S21), and the respective channels CH1 to CH15 are obtained.
H15 contact data (on / off data) is acquired (S
22), calculate and store the average value of the analog data of each of the channels CH1 to CH15 (S23). In this case, among the past ten acquired data of each channel CH1 to CH15, eight data excluding the maximum value and the minimum value are averaged. Further, the analog data is processed into transmission data and stored (S24).

The alarm panel AB1 executes the same operation as the operation shown in the flowchart of FIG.

FIG. 8 is a flow chart showing the operation for judging a sensor abnormality in the above embodiment.

First, the sensor number SEn is set to 1 (S31), and the sensor type of the sensor SEn is determined (S3).
3) For the predetermined abnormality determination item, the acquired data is compared with the control data, and the comparison result detects a normal state (S34), and if the next abnormality determination item remains (S3).
5) The process proceeds to the next abnormality determination item (S36), and if all items to be determined as abnormal are determined (S35), the sensor number S3En is incremented by one (S37). With respect to the predetermined abnormality determination item, the acquired data is compared with the control data, and as a result of the comparison, if an abnormal state is detected (S3
4), the delay time of the abnormality determination item is counted (S
38).

The above processing (S33 to S38) is executed until the sensor number S3En becomes 17 (S32).

In step S34, the abnormality determination item is determined based on the sensor type and the control data set for each channel. The criterion is determined by control data set for each channel. In the test data in the test mode, a specific value is set in advance for each sensor type.

FIG. 9 is a flowchart showing the operation of determining an abnormality of the sensor and turning on the alarm flag in the above embodiment.

First, the sensor number SEn is set to 1 (S41), and the sensor type of the sensor SEn is determined (S4).
3) If the predetermined abnormality determination item is abnormal (S
44) Then, the state at that time is determined (S45), and if "abnormal" is displayed (if the delay timer is counting and the alarm is indeterminate), the timer of the delay timer is displayed. When the time has elapsed (S46), the warning flag is turned on (S47).

On the other hand, if a predetermined abnormality determination item is abnormal and "alarming" is displayed (if the delay timer is timed out and the alarm is confirmed) (S44, S45) Then, an alarm process is performed (S48).

If there is an item to be judged as abnormal (S5)
1) The process proceeds to the next abnormality determination item (S52). If all the items to be determined as abnormal have been determined (S51), the sensor number SEn is incremented by one (S53). Then, the above processing (S43 to S53) is repeated for the sensor number SEn.
Is executed until the value becomes 17 (S42).

According to the above embodiment, the detection levels detected by each of the plurality of various sensors are collected, and based on the plurality of repeaters to which different addresses are assigned and the addresses of the respective repeaters. Each repeater is sequentially and cyclically called, and the called repeaters collect the respective detection levels of the various sensors collected and simultaneously display the detection levels of the plurality of various sensors on one display device.
An environment monitoring system having a large number of various sensors can be installed in a small space. Further, according to the above embodiment, the operation of relocating the environment monitoring system is easy.

In the above embodiment, the repeaters C1, C2,
C3 is an example of a plurality of repeaters that collect the detection levels detected by each of the ultra-high sensitivity smoke sensors and that are assigned different addresses.

The receiving unit RE can store the collected detection levels, alarm contents, and operation contents as history data and display the history data on the CRT of the personal computer PC1.
The receiver RE can record and store the received detection level in the FD as history data. In addition, repeater board CB1,
The CB2 and the alarm panel AB1 may be provided with indicator lamps LA1, LA3 and LA2 that blink when the detection level of the ultra-high sensitivity smoke sensor or various sensors reaches a predetermined alarm level. Further, the repeaters C1 and C1 are connected via the transfer board.
2, C3 may be provided with an indicator light that flashes when the detection level of the ultra-high sensitivity smoke sensor or various sensors reaches a predetermined alarm level.

[0055]

According to the present invention, an environment monitoring system having a large number of various sensors can be installed in a small space.

[Brief description of the drawings]

FIG. 1 is an environment monitoring system EW according to an embodiment of the present invention.
FIG.

FIG. 2 is a block diagram showing an I / V converter SC1 in the embodiment.

FIG. 3 is a block diagram showing a repeater C1 in the embodiment.

FIG. 4 is a block diagram showing repeaters C2 and C3 in the embodiment.

FIG. 5 is a flowchart illustrating an operation of the repeater C1 in the embodiment.

FIG. 6 is a flowchart showing a data acquisition operation (S1) in the embodiment, and is an ultra-high sensitivity smoke sensor SE1.
It is a flowchart which shows the data acquisition operation | movement in the case of acquiring data from SE15.

FIG. 7 is a flowchart illustrating a data acquisition operation (S1) in the embodiment, and is a flowchart illustrating a data acquisition operation when acquiring data from the temperature sensor SE101 or the like.

FIG. 8 is a flowchart illustrating an operation of determining a sensor abnormality in the embodiment.

FIG. 9 is a diagram illustrating an example in which a sensor abnormality is determined according to the embodiment.
It is a flowchart which shows the operation | movement which turns on a warning flag.

[Explanation of symbols]

 EW1: Environmental monitoring system, SE1 to SE15: Ultra-high sensitivity smoke sensor, CH1 to CH15: Channel, CB1, CB2: Relay panel, C1, C2, C3, C4: Relay, SC1, SC2, SC3: I / V Converter, AB1: Alarm panel, RE: Receiver, PC1: PC, PC2: Display PC, PC3: Notebook PC for maintenance and inspection.

Claims (8)

[Claims] 1. A plurality of various sensors; a plurality of repeaters that collect detection levels detected by each of the various sensors and further provided with mutually different addresses; and a plurality of repeaters based on addresses of the respective repeaters. A collection unit for sequentially and cyclically calling each of the repeaters, collecting respective detection levels of the various sensors collected by the called repeater, and a display unit for simultaneously displaying detection levels of the plurality of various sensors. And a receiver having: a plurality of channels, wherein one of the plurality of channels is one of the plurality of sensors.
And the receiving unit calls the repeater for each of the addresses, and the called repeater is
An environment monitoring system, wherein detection levels of the various sensors associated with the repeater are transmitted collectively. 2. The relay device according to claim 1, wherein the repeater determines an alarm level, and transmits the determination result collectively, and the receiving unit detects that the detection level of the various sensors has reached a predetermined alarm level. An environmental monitoring system, comprising: an alarm unit that issues an alarm when the information is received from the repeater. 3. The environment monitoring system according to claim 2, wherein the change of the alarm level can be instructed by the receiving unit. 4. The environment monitoring system according to claim 1, wherein the receiving unit has a printing unit that prints the contents of an alarm or the contents of an operation. 5. The environment monitoring system according to claim 1, wherein at least one of the various sensors is an ultra-high sensitivity smoke sensor. 6. The environment monitoring system according to claim 1, wherein the repeater always takes in the detection level via a signal line provided for each of the various sensors. 7. The environment monitoring system according to claim 1, wherein the reception unit stores the collected detection levels as history data. 8. The environment monitoring system according to claim 1, wherein the repeater has an alarm light that is turned on or blinks when the detection level of the ultra-high sensitivity smoke sensor reaches a predetermined alarm level. system.