KR20050006726A - Digital Fire Detecting Device, Integrated Fire Detecting System and Method for detecting Fire - Google Patents

Abstract

PURPOSE: A digital fire detecting device, an integrated fire detecting system by using the same and a method for determining the fire are provided to prevent erroneous operations by checking the operational state in naked eyes. CONSTITUTION: A digital fire detecting device includes a temperature sensor(TS), a smoke sensor(GS), an analog-to-digital converter(AD), an alarm sound generation unit(WO) and a microprocessor unit(MP). The temperature sensor outputs the corresponding temperature into a temperature analog signal. The smoke sensor measures the ambient smoke concentration and outputs the corresponding smoke concentration into the smoke analog signal. The analog-to-digital converter converts the temperature and smoke analog signals into the digital data signals. The alarm sound generation unit generates the fire alarm sound. And, the microprocessor unit sends the temperature and smoke digital data signal to the alarm sound generation unit during the fire.

Description

Digital Fire Detecting Device, Integrated Fire Detecting System and Method for detecting Fire

The present invention relates to a fire detector for detecting a fire occurring in an electric vehicle or a large building, an integrated fire detection system using the same, and a fire determination method, wherein the ambient temperature and smoke concentration measured by a heat sensor and a smoke sensor are digital data signals. And a unit controller for determining whether or not a fire has occurred and checking the operating state of the sensor in real time, and installing a plurality of unit fire detectors and controlling them. The unit has an integrated fire monitoring system and a plurality of unit controllers, and a main controller for controlling the plurality of unit controllers to remotely determine whether a fire occurs in an electric vehicle or a large building and to determine a fire occurrence point and to alarm a unit. Sensor operation status or communication status of fire detector Will check the liver on the outside and which may represent integrated fire detection system, such a fire quickly fire determination method to accurately determine whether or not a fire occurs.

Since fires generated by many people, such as subways and large buildings, can cause large-scale casualties, prompt and accurate judgment and warning of fires is of paramount importance in preventing casualties.

However, the conventional fire alarm device is an ON / OFF type alarm device, i.e., it generates a constant value, for example, a voltage of 5V, and simply emits a voltage of 3V when a fire occurs. Even when the voltage of the stand is released, it is regarded as a fire and an alarm is issued, causing a lot of confusion. In order to prevent such confusion due to misinformation or malfunction, large-scale buildings or subways may turn off the conventional ON / OFF alarm system, which is very likely to lead to large-scale casualties when a fire occurs. In fact, in the recent Daegu subway fire incident, despite the actual fire alarm, the machinery security command office recognized it as an error and ignored it, resulting in a large-scale death. As such, preventing false alarms and malfunctions and determining and alerting fires quickly and accurately are essential requirements for fire alarms.

Accordingly, Applicants have come to develop the present invention that can reduce the error and malfunction by continuously measuring the temperature and smoke concentration, and digitizing the measurement by leaving the ON / OFF fire alarm device.

The present invention has been made in order to solve the problems of the prior art, the object of the present invention is to output the temperature and smoke concentration measurement of the heat sensor and smoke sensor as a digital data signal, whether the fire occurs using the corresponding digital data signal By detecting the alarm and checking the operation status of the sensor and displaying the operation status of the sensor to the outside, it is possible to visually identify the operation status of the sensor from the outside to provide a unit fire detector that can block crosstalk due to misinformation and malfunction. It is.

Another object of the present invention is to provide a unit controller for controlling a plurality of unit fire detectors and to install a plurality of unit fire detectors as described above, by using a temperature digital data signal and a smoke concentration digital data signal whether the fire occurs, whether the sensor malfunctions, It is to provide an integrated fire detection system that can block the interference caused by misinformation and malfunction by determining whether the communication state is bad.

It is still another object of the present invention to install a plurality of unit controllers for managing a plurality of unit fire detectors and control the plurality of unit controllers with a single main controller to enable remote fire detection, determination and alarming. It is to provide an integrated fire detection system that can observe the operating status.

Still another object of the present invention is to provide a fire determination method for determining whether a fire has occurred in a unit fire detector or an integrated fire monitoring system or periodically checking an operating state of a sensor.

1A is a block diagram of a digital fire detector in accordance with an embodiment of the present invention.

FIG. 1B is a flow chart showing a fire determination method of the digital fire detector shown in FIG. 1A. FIG.

Figure 2a is a block diagram of an integrated fire detection system according to another embodiment of the present invention

FIG. 2B is a flowchart showing a fire determination method of the call fire detection system shown in FIG. 2A; FIG.

3 is a block diagram of an integrated fire detection system according to another embodiment of the present invention.

4 is a block diagram of an integrated fire detection system for outputting an alarm broadcast in connection with an existing broadcasting system as an integrated fire detection system according to another embodiment of the present invention.

Figure 5 is a view showing a state in which the integrated fire detection system shown in Figures 3 to 4 mounted on an electric car or train.

The present invention is implemented by the embodiment having the following configuration in order to achieve the above object.

According to the first embodiment of the present invention, the unit fire detector of the present invention includes a thermal sensor that measures the ambient temperature and outputs the temperature as a temperature analog signal, and measures the ambient smoke concentration and converts the smoke concentration into a smoke analog signal. A smoke sensor for outputting, an A / D converter for converting the temperature and smoke analog signals into a temperature and smoke digital data signal, an alarm sound generator for generating a fire alarm, and a temperature and It is characterized in that it comprises a micro-processing unit for transmitting the fire signal to the alarm sound generating unit in the event of a fire is determined by receiving the smoke digital data signal.

According to the second embodiment of the present invention, the unit fire detector of the present invention, in the first embodiment, the microprocessor unit and the heat sensor based on the temperature and smoke digital data signals received from the heat sensor and the smoke sensor; It further includes a sensor status display unit for determining whether the smoke sensor is in normal operation and transmitting sensor status signals of the thermal sensor and the smoke sensor, and receiving the sensor status signal to indicate whether the thermal sensor and the smoke sensor are malfunctioning. Characterized in that.

According to a third embodiment of the present invention, the integrated fire monitoring system of the present invention comprises a heat sensor for measuring the ambient temperature and outputting the temperature as a temperature analog signal, and measuring the ambient smoke concentration and measuring the smoke concentration as the smoke analog signal. A smoke sensor for outputting a signal, an A / D converter for converting the temperature and smoke analog signals into a temperature and smoke digital data signal, and a microprocessor for receiving temperature and smoke digital data signals from the A / D converter; At least one unit fire detector including a unit fire detector communication unit communicating with the unit controller and having a unit fire detector ID; The unit controller communication unit for communicating with each of the unit fire detection communication unit, the alarm sound generating unit for generating a fire alarm sound, and receives the temperature and smoke digital data signals from the unit controller communication unit to determine whether a fire occurs when the fire occurs Sends a fire signal to the alarm sound generator, and microprocessor unit sequentially calls the unit fire detector based on the unit fire detector ID of each unit fire detector, and transmits temperature and smoke digital data signals from the microprocessor unit. Characterized in that it comprises a unit controller including a memory unit for receiving and storing.

According to the fourth embodiment of the present invention, in the third embodiment, the integrated fire monitoring system of the present invention is characterized in that, in the third embodiment, each unit fire detector has a microprocessor unit having a unique unit fire detector ID. Based on the temperature and the smoke digital data signal of the heat sensor and smoke sensor of each unit is judged whether the normal operation of the sensor status signal of the thermal sensor and smoke sensor and the communication status with each unit fire detector A unit fire detector and a communication state display unit for generating a communication state signal by checking and receiving a sensor state signal and a communication state signal to indicate a malfunction of a thermal sensor and a smoke sensor of each unit fire detector and a communication state to the outside. It is characterized in that it further comprises.

According to a fifth embodiment of the present invention, the integrated fire monitoring system of the present invention, in the third embodiment, wherein the unit fire detector, the microprocessor unit temperature and smoke digital data received from the heat sensor and smoke sensor Based on the signal, it is determined whether the thermal sensor and the smoke sensor are normally operated, and the sensor status signal of the thermal sensor and the smoke sensor is transmitted and the communication status with the unit controller is checked to generate a communication status signal. And a sensor and a communication state display unit for receiving a communication state signal and displaying a malfunction state and a communication state of the thermal sensor and the smoke sensor to the outside.

According to a sixth embodiment of the present invention, the integrated fire monitoring system of the present invention includes a thermal sensor for measuring the ambient temperature and outputting the temperature as a temperature analog signal, and measuring the ambient smoke concentration and measuring the smoke concentration as the smoke analog signal. A smoke sensor for outputting a signal, an A / D converter for converting the temperature and smoke analog signals into a temperature and smoke digital data signal, and a microprocessor for receiving temperature and smoke digital data signals from the A / D converter; At least one unit fire detector including a unit fire detector communication unit communicating with the unit controller and having a unit fire detector ID; A unit controller communication unit which communicates with each of the unit fire detection communication units, an alarm sound generation unit which receives a fire occurrence signal from a microprocessor unit below to generate a fire alarm sound, and a unit fire detector based on each unit fire detector ID Receives the temperature and smoke digital data signal from the main controller communication unit to determine whether a fire has occurred, and transmits a fire occurrence signal to the alarm sound generating unit in case of a fire, each unit using the temperature digital data signal and smoke digital data signal Determining whether the thermal sensor and the smoke sensor of the fire detector are in normal operation, sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the main controller below to generate a communication status signal. Micro process unit and the sensor status signal and communication A unit fire detector and communication status display unit for indicating a malfunction of the heat sensor and smoke sensor of each unit fire detector and a communication state by receiving a status signal, and transmitting temperature and smoke digital data signals from the microprocessor unit. A plurality of unit controllers each having a memory unit for receiving and storing the unit controller IDs; Each unit controller having a unit controller ID and a main controller communication unit communicating with the unit controller for the transmission of temperature and smoke digital data signals, fire generation signals, sensor status signals, and communication status signals from each unit controller communication unit. Micro-processing unit which calls sequentially and requests transmission of temperature and smoke digital data signal, fire occurrence signal, sensor state signal and communication state signal and sends out fire occurrence signal to each unit controller, the sensor state signal and communication Characterized in that it comprises a main controller including a main display unit for indicating whether the sensor state malfunction, the communication state defective, whether the fire occurred by using the status signal and the fire signal, and a memory unit for storing the various signals. do.

According to the seventh embodiment of the present invention, the integrated fire monitoring system of the present invention includes a thermal sensor for measuring the ambient temperature and outputting the temperature as a temperature analog signal, and measuring the ambient smoke concentration and converting the smoke concentration into a smoke analog signal. A smoke sensor for outputting a signal, an A / D converter for converting the temperature and smoke analog signals into a temperature and smoke digital data signal, and a microprocessor for receiving temperature and smoke digital data signals from the A / D converter; At least one unit fire detector including a unit fire detector communication unit communicating with the unit controller and having a unit fire detector ID; A microprocessor which receives a unit fire detector based on a unit fire detector ID of each unit fire detector and communicates temperature and smoke digital data signals from the unit controller communication unit. A plurality of unit controllers each having a unit controller ID and a memory unit for receiving and storing temperature and smoke digital data signals from the microprocessor unit; Transmitting temperature and delayed digital data signals by sequentially calling the main controller communication unit which communicates with the unit controller for transmitting the temperature and delayed digital data signals from each of the unit controller communication units, and each unit controller having a unit controller ID. Request fire, receive the temperature and smoke digital data signal from the main controller communication unit, determine whether the fire occurred, send out the fire occurrence signal in case of fire, and heat sensor and smoke of each unit fire detector based on temperature and smoke digital data signal. It determines the normal operation of the sensor and sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the unit controller to generate a communication status signal, and generates a fire signal to the unit controller. , Communication status signal and sensor A micro-processing unit which transmits a status signal, a main display unit which displays whether a sensor malfunctions, a communication state is defective, or whether a fire has occurred by using the sensor status signal, the communication status signal and a fire signal, and the various signals. It has a main controller including a memory unit for storing the; Each of the unit controllers may receive a fire signal from the main controller to generate a fire alarm and a communication state signal and a sensor state signal to detect a malfunction of the sensor and whether the communication state is defective. It characterized in that it further comprises a unit fire detector and a communication status display to display.

According to an eighth embodiment of the present invention, the integrated fire monitoring system of the present invention includes a thermal sensor that measures the ambient temperature and outputs the temperature as a temperature analog signal, and measures the ambient smoke concentration and displays the smoke concentration as the smoke analog signal. A smoke sensor for outputting a signal, an A / D converter for converting the temperature and smoke analog signals into a temperature and smoke digital data signal, and a microprocessor for receiving temperature and smoke digital data signals from the A / D converter; At least one unit fire detector including a unit fire detector communication unit communicating with the unit controller and having a unit fire detector ID; A microprocessor which receives a unit fire detector based on a unit fire detector ID of each unit fire detector and communicates temperature and smoke digital data signals from the unit controller communication unit. A plurality of unit controllers each having a unit controller ID and a memory unit for receiving and storing temperature and smoke digital data signals from the microprocessor unit; Transmitting temperature and delayed digital data signals by sequentially calling the main controller communication unit which communicates with the unit controller for transmitting the temperature and delayed digital data signals from each of the unit controller communication units, and each unit controller having a unit controller ID. Request fire, receive the temperature and smoke digital data signal from the main controller communication unit, determine whether the fire occurred, send out the fire occurrence signal in case of fire, and heat sensor and smoke of each unit fire detector based on temperature and smoke digital data signal. It determines the normal operation of the sensor and sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the unit controller to generate a communication status signal, and generates a fire signal to the unit controller. , Communication status signal and sensor Micro process unit for transmitting a status signal, a broadcast output unit for receiving a fire occurrence signal from the microprocessor unit and sends it to the existing broadcasting system, and whether the sensor malfunctions using the sensor status signal, communication status signal and fire generation signal A main controller including a main display unit which displays whether a communication state is defective or not, whether a fire has occurred, and a memory unit which stores the various signals; Each of the unit controllers may further include a unit fire detector and a communication state display unit configured to receive the communication state signal and the sensor state signal to indicate whether a sensor malfunctions and whether the communication state is defective.

According to a ninth embodiment of the present invention, the fire judging method of the present invention is a fire judging method for judging a fire in a unit fire detector, comprising: a temperature for receiving a temperature digital data signal and a smoke digital data signal from a unit fire detector; A smoke concentration receiving step; A reception determining step of determining whether both the temperature digital data signal and the deferred digital data signal have been received; If the temperature digital data signal is not received after the reception determination step, a sensor state signal indicating a malfunction of the thermal sensor is generated, and if the smoke digital data signal is not received, a sensor state signal indicating a malfunction of the smoke sensor is generated. A sensor receiving malfunction display step of transmitting the sensor status display unit to the sensor state display unit; If both the temperature and the smoke concentration digital data signal are received after the reception determination step, it is determined whether the temperature digital data signal exceeds the temperature fire reference value and whether the smoke digital data signal exceeds the smoke fire reference value. A fire occurrence determination step of proceeding to a fire occurrence signal generation step below if the smoke digital data signals all exceed a temperature fire reference value and a smoke fire reference value, and otherwise to a sensor fire malfunction indication step below; Sensor fire malfunction indication that sends a sensor status signal indicating a malfunction of the thermal sensor and the smoke sensor to the sensor status display unit if any one of the temperature and smoke digital data signals does not exceed the temperature fire threshold and the smoke fire threshold after the fire determination step. Steps; If it exceeds after the fire determination step is characterized in that it comprises a fire generation signal generation step of generating a fire occurrence signal by the microprocessor unit.

According to a tenth embodiment of the present invention, in the fire determination method of the present invention, in the ninth embodiment, the sensor reception malfunction display step increases the temperature reception error accumulation value when the temperature digital data signal is not received. A reception error accumulation step of increasing a delay reception error accumulation value when the deferred digital data signal is not received; If the cumulative temperature reception error value exceeds the temperature reception error reference value, a sensor status signal indicating a malfunction of the thermal sensor is generated and sent to the sensor status display. If the smoke reception error accumulation value exceeds the smoke reception error reference value, it indicates a malfunction of the smoke sensor. Generates a sensor status signal and sends it to the sensor status display unit.If the accumulated temperature reception error or smoke reception error cumulative value does not exceed the temperature reception error threshold or smoke reception error threshold, the reception error proceeds to the temperature and smoke concentration reception step. Characterized in that it comprises a display step.

According to an eleventh embodiment of the present invention, in the fire determination method of the present invention, in the ninth embodiment, the fire occurrence determination step includes a temperature digital data signal if both the temperature and the smoke digital data signals are received. A fire judging step of determining whether the temperature fire reference value is exceeded and whether the smoke digital data signal exceeds the smoke fire reference value; A temperature and smoke accumulation step for increasing a temperature fire accumulation value and a smoke fire accumulation value if the temperature digital data signal and the smoke digital data signal exceed the temperature fire reference value and the smoke fire reference value, respectively, after the fire determination step; In order to determine whether the temperature fire accumulation value and the smoke fire accumulation value exceed the temperature fire accumulation reference value and the smoke fire accumulation reference value, if it is exceeded, proceed to the fire occurrence signal generation step, and if not, to receive a new temperature and smoke digital data signal. It characterized in that it comprises a fire generating signal generation step of proceeding to the temperature and smoke concentration receiving step.

In the twelfth embodiment of the present invention, in the fire determination method of the present invention, in the eleventh embodiment, the sensor fire malfunction display step is any one of temperature and smoke digital data signals after the fire determination step. If the reference value and the smoke fire reference value are not exceeded, it is determined whether the temperature digital data signal and the smoke digital data signal exceed the temperature control reference value and the smoke management reference value. A daily management value judgment step of proceeding to the smoke concentration receiving step and proceeding to the following temperature and smoke error accumulation step if exceeded; A temperature and smoke error accumulation step of increasing a temperature error accumulation value and a smoke error accumulation value if the temperature digital data signal and the smoke digital data signal exceed the temperature management reference value and the smoke management reference value after the routine management value determination step; After the temperature and smoke error accumulation step, if the value of the smoke error accumulated value from the temperature error accumulation value is greater than the temperature error accumulation standard value, a sensor status signal indicating a malfunction of the thermal sensor is generated, and the value obtained by subtracting the temperature error accumulation value from the smoke error accumulation value is the smoke. If it is greater than the error accumulation reference value, it generates a sensor status signal indicating a malfunction of the smoke sensor, and if the values are smaller than the temperature error accumulation reference value and the smoke error accumulation reference value, the sensor fire malfunction determination step proceeds to the temperature and smoke concentration receiving step. It features.

In the thirteenth embodiment of the present invention, the fire determination method of the present invention is a fire determination method for determining a fire in a unit controller or a main controller, wherein each unit fire detector ID is called to call a unit fire detector with temperature digital data. A temperature and smoke concentration receiving step of receiving a signal and a smoke digital data signal; It is determined whether the temperature digital data signal exceeds a temperature management standard value and whether the smoke digital data signal exceeds a smoke management standard value so that the temperature digital data signal is smaller than a temperature management standard value or the smoke digital data signal is smoke management. If it is smaller than the standard value, the next unit fire detector ID is called to receive the temperature and smoke digital data signal, and the temperature and smoke concentration receiving step proceeds; Wow; After the daily management value determination step, if the temperature digital data signal is greater than the temperature management reference value, the temperature error accumulation value is increased and at the same time, 1 is given to the temperature error determination value, and if the smoke digital data signal is greater than the smoke management reference value, the smoke error accumulation value is increased. A temperature and smoke error accumulation step of increasing and simultaneously giving 1 a smoke error determination value; Whether the temperature error cumulative value is greater than the temperature fire error criterion and the sum of the temperature error judgment values of all the unit fire detectors is less than 2, and the smoke error cumulative value is larger than the smoke fire error criterion and the sum of the smoke error judgment values of all the unit fire detectors is A temperature and smoke error determination step of determining whether or not it is less than two; After the temperature and smoke error determination step, if the accumulated temperature error value is greater than the temperature fire error reference value and the sum of the temperature error determination values of all the unit fire detectors is less than 2, a unit fire is generated for the sensor status signal indicating a malfunction of the thermal sensor of the unit fire detector. If the cumulative smoke error value is greater than the smoke fire error standard value and the sum of the smoke error determination values of all the unit fire detectors is less than 2, the sensor status signal indicating a malfunction of the smoke sensor of the unit fire detector is transmitted to the detector and the communication status display unit. A sensor fire malfunction display step of transmitting the fire detector and the communication status display unit or the main display unit; If the sum of temperature error determination values of all unit fire detectors after the temperature and smoke error determination step is greater than 2, whether the temperature digital data signal is greater than the temperature fire standard value, and if the sum of smoke error determination values of all unit fire detectors is greater than 2, smoke digital It is determined whether the data signal is greater than the smoke standard value, and if the temperature digital data signal is less than the temperature fire standard value and the smoke digital data signal is less than the smoke standard value, the next unit fire detector ID is called to receive the temperature and smoke concentration. A fire occurrence determining step of proceeding to a fire generating signal generating step of generating a fire generating signal; And a fire generation signal generating step of generating a fire generation signal by a microprocessor unit when the temperature digital data signal is greater than a temperature fire reference value or the smoke digital data signal is greater than a smoke fire reference value after the fire occurrence determination step. do.

According to a fourteenth embodiment of the present invention, in the thirteenth embodiment, in the thirteenth embodiment, a unit controller and a unit fire detector are provided between the temperature and smoke concentration receiving step and the daily management value judgment step. Determining whether the communication status is normal, and if normal, proceeds to the below temperature and delay digital data signal storing step; if abnormal, proceeds to the below communication error judging step; As a result of the communication state determination step, if the communication state between the unit controller and the unit fire detector is abnormal, increasing the communication error cumulative value, and if the communication error cumulative value is larger than the communication error reference value, a communication state signal indicating a communication state bad. Generating and transmitting to the unit fire detector and the communication status display unit or the main display unit, and if the accumulated communication error value is less than the communication error standard value, the next unit fire detector ID is called to proceed to the temperature and smoke concentration receiving step. Communication error determination step consisting of; A temperature and smoke digital data signal storing step of storing a temperature and smoke digital data signal in a memory unit when the communication state between the unit controller and the unit fire detector is normal as a result of the communication state determining step; It is determined whether or not the format of the temperature and delay digital data signal is normal. If normal, the routine proceeds to the routine management value judgment step. If abnormal, the data error accumulation value is increased. If the data error accumulation value is larger than the data error reference value, it indicates a bad data. Generates a data status signal and transmits it to the unit fire detector and communication status display unit or main display unit. If the data error cumulative value is smaller than the data error standard value, the next unit fire detector ID is called to proceed to the temperature and smoke concentration reception step. Characterized in that it further has a determination step.

According to a fifteenth embodiment of the present invention, in the fire judging method of the present invention, in the thirteenth embodiment, the fire judging step includes: whether or not the temperature digital data signal exceeds a temperature fire reference value and the acting digital data; A fire determination step of determining whether the signal exceeds the smoke standard; After the fire determination step, if the temperature digital data signal is greater than the temperature fire threshold, the temperature fire accumulation value is increased and at the same time, 1 is added to the temperature fire determination value, and if the smoke digital data signal is greater than the smoke fire threshold, the smoke fire accumulation value is increased. A temperature and smoke fire accumulation step of adding 1 to the smoke fire judgment at the same time; The temperature fire accumulation value is greater than the temperature fire determination standard and the sum of temperature fire determination values of all the unit fire detectors is 2 or more or the smoke fire accumulation value is greater than the smoke fire determination standard and the sum of the smoke fire determination values of all the unit fire detectors. If it is 2 or more, the fire generation signal generating step proceeds; otherwise, the fire detection signal generation step of proceeding to the temperature and smoke receiving step to obtain the temperature and smoke digital data signal by calling the next unit fire detector ID; It is characterized by.

In the following, the applicant will be described in detail the embodiments described above with reference to the accompanying drawings.

1A is a block diagram of a digital fire detector in accordance with one embodiment of the present invention.

As shown in Figure 1a, the unit fire detector (FS) of the present invention is a thermal sensor (TS), smoke sensor (GS), amplification unit (AP), A / D conversion unit (AD), microprocessor unit (MP) ), The sensor status display unit (SS), the alarm sound generating unit (WO).

The thermal sensor TS and the smoke sensor GS are sensors for measuring indoor temperature and smoke concentration, respectively, and output a temperature analog signal and a smoke concentration analog signal by measuring the indoor temperature and the smoke concentration, respectively. In particular, the smoke sensor (GS) is suitable for photoelectric where there is little dust, ionization is suitable for many places. For example, the photoelectric smoke sensor is disclosed in Republic of Korea Utility Model No. 93-22221, the ionization smoke sensor is disclosed in Republic of Korea Utility Model No. 1980-000494. The heat sensor and the smoke sensor are known in the configuration so that further detailed description thereof will be omitted herein.

The amplifier AP amplifies the temperature analog signal of the thermal sensor TS and the smoke analog signal of the smoke sensor GS.

The A / D converter AD converts the temperature analog signal and the smoke analog signal output from the thermal sensor and the smoke sensor into a temperature digital data signal and a smoke digital data signal, respectively. The purpose is to increase the resistance to noise and to improve the accuracy of the judgment on the malfunction of the sensor and the occurrence of fire.

The microprocessor unit MP calls the thermal sensor and the smoke sensor to receive a temperature digital data signal and a smoke digital data signal from the A / D conversion unit AD. Judgment method is used to determine whether a fire has occurred, and when it is determined that a fire has occurred, a fire occurrence signal is generated. In addition, the microprocessor unit MP determines whether the thermal sensor or the smoke sensor is operating properly by the following fire determination method to generate a sensor status signal when the sensors malfunction.

The alarm sound generating unit (WO) receives a fire occurrence signal from the micro-pro sensor unit (P) and generates and sends an alarm sound. It usually consists of an amplifier or a speaker.

The sensor state display unit SS receives a sensor state signal from the microprocessor unit MP and displays it externally when a sensor malfunctions.

Although not shown, the fire detector according to another embodiment of the present invention, the amplification unit (AP) or A / D conversion unit (AD) may be built in the thermal sensor (TS) or smoke sensor (GS) In addition, an integrated circuit may be added separately.

In addition, in the fire detector according to another embodiment of the present invention, the analog signal sent from the heat sensor or the smoke sensor may be directly converted to the digital data signal from the A / D conversion unit without going through the amplification unit.

In addition, the fire detector according to another embodiment of the present invention may have a built-in power supply unit (P) for supplying power to the component as shown, it is also possible to use an external power source (not shown) and also the present invention Belongs to the scope of.

FIG. 1B is a flowchart illustrating a fire determination method of the digital fire detector illustrated in FIG. 1A. As shown in Figure 1b, the fire determination method according to an embodiment of the present invention is largely the temperature and smoke concentration receiving step (S3), reception determination step (S5), sensor receiving malfunction display step (S14, S16, S24) ), Fire determination step (S7, S9, S11), sensor fire malfunction display step (S18, S20, S22, S24), and fire generation signal generation step (S12).

The temperature and smoke concentration receiving step S3 is a step in which the microprocessor unit MP receives the temperature digital data signal TD and the smoke digital data signal GD from the thermal sensor TS and the smoke sensor GS. .

In the reception determination step S3, the microprocessor unit determines whether both the temperature digital data signal TD and the deferred digital data signal GD have been received. If any one of the two signals is not received, the process proceeds to the sensor reception malfunction display step, and if both are received, the fire determination step proceeds. When a fire occurs in daily life, not only the temperature rises but also the smoke is generated. Even though the temperature digital data signal TD is received by the thermal sensor, the smoke digital data signal GD is received by the smoke sensor GD. If not (and vice versa), this may be due to a malfunction of the thermal or smoke sensor, which is not related to the actual fire.

The sensor reception malfunction display steps S14, S16, and S24 are largely composed of a reception error accumulation step S14 and a reception error display step S16 and S24.

In the reception error accumulation step S14, when the temperature digital data signal TD is not received through the reception determination step S3, the reception error accumulation step S14 is increased by one, and the delayed digital data is increased. If the signal GD is not received, the delayed reception error accumulated value GK is increased by one.

In the reception error display steps S16 and S24, when the temperature reception error accumulated value TK exceeds the temperature reception error reference value K1, a sensor status signal indicating a malfunction of the thermal sensor is generated and sent to the sensor status display unit SS. When the smoke reception error cumulative value GK exceeds the smoke reception error reference value K2, a sensor status signal indicating a malfunction of the smoke sensor is generated and sent to the sensor status display unit SS (S24). If the TK or the smoke reception error cumulative value GK does not exceed the temperature reception error reference value K1 or the smoke reception error reference value K2, the process proceeds to the temperature and smoke concentration reception step S3. Here, the cumulative reception error step is to determine the malfunction of the sensor and generate the sensor status signal only when the reception error is repeated a certain number of times.

The fire determination step (S7, S9, S11) comprises a fire determination step (S7), temperature and smoke fire accumulation step (S9), a fire generation signal determination step (S11).

The fire judging step (S7), if both the temperature and the smoke digital data signal is received, whether the temperature digital data signal (TD) exceeds the temperature fire reference value ts1 and the smoke digital data signal (GD) is the smoke fire reference value ( gs1) is determined. Here, the temperature fire reference value (ts1) and the smoke fire reference value (gs1) refer to temperature and smoke concentration values that can be considered empirically as fire occurrences. It is decided according to.

The temperature and smoke fire accumulation step (S9) is a temperature if the temperature digital data signal (TD) and the smoke digital data signal (GD) after the fire determination step exceeds the temperature fire reference value (ts1) and smoke fire reference value (gs1), respectively. It is the step of increasing the fire accumulation value Ta and the smoke fire accumulation value Ta by one.

The fire generation signal determination step (S11) is determined if the temperature fire accumulation value (Ta) and smoke fire accumulation value (Ga) exceeds the temperature fire accumulation reference value (fs1) and smoke fire accumulation reference value (fs2) if exceeded. Proceed to the fire generation signal generation step (S12) below, and if not exceeded is the step of proceeding to the temperature and smoke concentration receiving step (S3) to receive a new temperature digital data signal (TD) and smoke digital data signal (GD). . Here, the temperature fire accumulation reference value fs1 or the smoke fire accumulation reference value fs2 includes both the temperature fire reference value ts1 and the smoke fire reference value gs1 more than a predetermined number of times for both the temperature digital data signal and the smoke digital data signal. Only in case of exceeding it, it is regarded as a fire occurrence, and it is to prevent the misinformation caused by the malfunction of the sensor.

In addition, the sensor fire malfunction display step (S18, S20, S22, S24) is largely divided into routine management value determination step (S18), temperature and smoke error accumulation step (S20), sensor fire malfunction determination step (S22).

The daily management value determination step (S18) is a temperature digital data signal (if any one of the temperature and smoke digital data signal after the fire determination step (S7) does not exceed the temperature fire reference value (ts1) and smoke fire reference value (gs1)) TD) and / or smoke digital data signal (GD) exceeds the temperature control threshold (ts2) and / or smoke management threshold (gs2), if not to receive a new temperature and smoke concentration digital signal If the temperature and smoke concentration receiving step (S3) and the excess exceeds the step of proceeding to the temperature and smoke error accumulation step (S20). Here, the temperature control reference value (ts2) and the smoke management reference value (gs2) can be set in various ways. However, the temperature control reference value (ts1) and the smoke control reference value (gs1) are generally not reached, but are slightly higher than normal values, and whether the sensor malfunctions. Used to determine

In the temperature and smoke error accumulation step S20, the temperature digital data signal TD and the smoke digital data signal GD exceed the temperature management reference value ts2 and the smoke management reference value gs2 after the routine management value determination step. If so, the temperature error accumulation value Tj and the smoke error accumulation value Gj are increased.

The sensor fire malfunction judging step (S22, S24) is a malfunction of the thermal sensor if the value obtained by subtracting the smoke error accumulation value (Gj) from the temperature error accumulation value (Tj) after the temperature and smoke error accumulation step is larger than the temperature error accumulation reference value (q1). On the contrary, if the value obtained by subtracting the temperature error accumulated value (Tj) from the smoke error accumulated value (Gj) is greater than the smoke error accumulated reference value (q2), a sensor state signal indicating a malfunction of the smoke sensor is generated. If the temperature error cumulative reference value q1 and the smoke error accumulation reference value q2 are smaller than the temperature and smoke concentration receiving step (S3). As such, by detecting the malfunction of the sensor and displaying it on the sensor status display unit (SS), anyone can check whether the sensor is in normal operation and prevent confusion due to misinformation. Here, the sensor fire malfunction determining step is merely to present one criterion for determining the malfunction of the sensor, the scope of the present invention should be construed to include not only the above method but also other methods for determining the malfunction of the sensor.

2A is a block diagram of an integrated fire detection system according to another embodiment of the present invention.

As shown in Figure 2a, the integrated fire monitoring system of the present invention is composed of a plurality of unit fire detectors (FS1 ~ FSn) and a unit controller (FC) for managing them. Reference numeral n denotes an ID of a unit fire detector or a unit controller.

Each of the unit fire detectors FS1 to FSn has a unique unit fire detector ID, a thermal sensor STS1 to STSn, a smoke sensor SSG1 to SSGn, an amplifying unit SAP1 to SAPn, and an A / D conversion unit. (SAD1 to SADn), microprocessor units (SMP1 to SMPn), and unit fire detector communication units (SC1 to SCn).

The heat sensor, smoke sensor, amplification unit, and A / D conversion unit are the same as the heat sensor, smoke sensor, amplification unit, and A / D conversion unit of the fire detector shown in FIG.

The microprocessor units SMP1 to SMPn perform the same function as the microprocessor unit MP of FIG. 1A in that the unit does not perform the fire determination by itself because the fire controller determines the unit controller FC. In addition, the microprocessor may receive a communication state signal from the unit controller, but periodically checks the communication state with the unit controller FC itself to determine whether the communication state is good, and if the communication state is poor, the communication state. You can also generate a signal.

The unit fire detector communication units SC1 to SCn serve to transmit various signals received from the microprocessor unit to the unit controller while communicating with the unit controller described below.

Here, unlike the fire detector of FIG. 1A, the unit fire detector does not include an alarm sound generating unit, because the unit controller described below generates an alarm sound after the fire determination. Of course, the unit fire detector is not excluded that the alarm sound generating unit may be provided.

According to another embodiment of the present invention, as shown in FIG. 2A, the unit fire detector may further include a unit fire detector and communication status display units SSS1 to SSSn. Here, the unit fire detector and the communication state display unit receives the sensor state signal and the communication state signal from the microprocessor units SMP1 to SMPn as shown in the sensor state display unit of FIG. Mark it.

The unit controller FC includes a unit controller communication unit CC, a memory unit CM, a microprocessor unit CMP, an alarm sound generating unit CW, a unit fire detector, and a communication state display unit CSS.

The unit controller communication unit (CC) performs a relay role of receiving various signals from the unit fire detector and transmitting the signals to the microprocessor unit (CMP).

The microprocessor unit CMP receives temperature and smoke digital data signals from the unit controller communication unit CC, and determines whether a fire has occurred in accordance with a fire determination method to be described below. It sends out a signal and judges whether the heat sensor and smoke sensor of each unit fire sensor are in normal operation, and checks the sensor status signal of the heat sensor and smoke sensor and checks the communication status with each unit fire detector. Generate.

Since the alarm sound generator CW is the same as the alarm sound generator WO of FIG. 1A, a description thereof will be omitted.

The memory unit CM stores various signals received from the unit fire detectors FS1 to FSn, various reference values, cumulative values, and the like.

The unit fire detector and the communication state display unit (CSS) receives a sensor state signal and a communication state signal sent by the microprocessor unit (CMP) to determine the sensor malfunction of the unit fire detector and the communication state with the unit fire detector. Indicate a defect. The unit fire detector and the communication state display unit may display the state and the communication state of the unit fire detector in one display unit or may be configured as separate display units.

The unit controller FC is supplied with power by a power unit built in the unit controller or a power unit (not shown) installed outside.

Here, although the structure of the communication state signal, the fire occurrence signal and the sensor state signal is not shown, the communication state signal includes a data field indicating a unit fire detector ID and a data field indicating a communication failure, and the fire occurrence signal Is composed of a data field indicating a unit fire detector ID and a data field indicating a fire occurrence event, and the sensor status signal includes a data field indicating a unit fire detector ID, a data field distinguishing a thermal sensor and a smoke sensor, and a malfunction of the sensor. It consists of a data field representing.

Looking at the operation relationship between the unit controller and the plurality of unit fire detectors, the unit controller is composed of a plurality of unit fire detectors, a multi-pointer method, a server / client method, a configuration method in which each unit fire detector is a relay, equilibrium and imbalance It communicates with each other by various communication methods such as communication method, wired / wireless modem communication method, power line communication method, Bluetooth communication method, and wired / wireless LAN communication method. The unit controller sequentially calls each unit fire detector (FS1 to FSn) using a unit fire detector ID and receives a temperature digital data signal (TDi) and a smoke digital data signal (GDi) from each unit fire detector. The fire judging method determines whether a fire has occurred.

FIG. 2B is a flow chart showing a fire determination method of the call fire detection system shown in FIG. 2A.

As shown in Figure 2b, the fire determination method of the present invention, temperature and smoke concentration receiving step, daily management value determination step, temperature and smoke error accumulation step, temperature and smoke error determination step, sensor fire malfunction determination step, fire It includes the generation judgment stage and the generation of fire signal. Here, i is an index indicating the unit fire detector ID.

The temperature and smoke concentration receiving step S42 is a step of receiving a temperature digital data signal TDi and a smoke digital data signal GDi by sequentially calling a unit fire detector with each unit fire detector ID. At this time, since the signal is received by digital communication based on the communication method described above, it is possible to prevent the signal from being modulated by noise.

The daily management value judging step S50 determines whether the temperature digital data signal TDi exceeds the temperature management reference value ts2 and whether the smoke digital data signal GDi exceeds the smoke management reference value gs2. If the temperature digital data signal TDi is smaller than the temperature management reference value ts2 or the smoke digital data signal GDi is smaller than the smoke management reference value gs2, the next unit fire detector ID is called (S59). And proceeds to the temperature and smoke concentration receiving step (S42) for receiving the smoke digital data signal, and if greater, proceeds to the temperature and smoke error accumulation determining step (S52) below. Here, the temperature control reference value (ts2) and the smoke management reference value (gs2) can be set in various ways. However, the temperature control reference value (ts1) and the smoke control reference value (gs1) are generally not reached, but are slightly higher than normal values, and whether the sensor malfunctions. Used to determine

The temperature and smoke error accumulation step S52 increases the temperature error accumulation value Tfi by 1 when the temperature digital data signal TDi is greater than the temperature management reference value ts2 after the routine management value determination step S48. If 1 is given to the temperature error determination value Tki and the smoke digital data signal GDi is greater than the smoke management reference value gs2, the smoke error accumulation value Gki is increased by 1 and at the same time, the smoke error determination value Gki is 1. To give.

The temperature and smoke error determination step (S54) is whether the accumulated temperature error cumulative value (Tfi) is greater than the temperature fire error reference value (m1) and the sum of the temperature error determination value (Tki) of all unit fire detectors is less than two and the It is determined whether the cumulative smoke error value (Gki) is greater than the smoke fire threshold value (m2) and the sum of smoke error determination values (Gki) of all unit fire detectors is less than two. Here, accumulating the temperature error accumulated value (Tfi) and smoke error accumulated value (Gfi) and adding 1 to the temperature error determination value or smoke error determination value of all unit fire detectors means that the temperature digital data signal and the smoke digital data signal are more than a certain number of times. This is to determine whether the phenomenon exceeding the temperature control threshold (ts2) and the smoke control threshold (gs2) occurs only in one unit fire detector or in another unit fire detector. For example, if the temperature error cumulative value Tfi is greater than the temperature fire error reference value m1 and at the same time the sum of the temperature error determination values Tki of all the unit fire detectors is greater than 2, not only the specific unit fire detector but also other unit fire detectors in the vicinity. The temperature digital data signal also indicates that the temperature management threshold is exceeded, while the temperature error determination value (Tki) of all the unit fire detectors, even though the temperature error cumulative value (Tfi) is greater than the temperature fire error threshold (m1). If the sum is less than 2, it means that the temperature digital data signal continuously exceeds the temperature control threshold (ts2) only in the specific unit fire detector, indicating a malfunction of the thermal sensor of the specific unit fire detector. The same applies to the smoke sensor.

The sensor fire malfunction determination step (S56), after the temperature and smoke error determination step, if the accumulated temperature error value is greater than the temperature fire error reference value and the sum of the temperature error determination values of all the unit fire detectors is less than two, The sensor status signal indicating malfunction of the thermal sensor is sent to the unit fire detector and the communication status display unit.If the cumulative smoke error value is greater than the smoke fire error standard value and the sum of the smoke error determination values of all the unit fire detectors is less than 2, the specific unit fire is generated. It sends sensor status signal indicating malfunction of smoke sensor of detector to unit fire detector and communication status display part.

In the fire determination step (S80, S82, S84), if the sum of the temperature error determination value Tki of all unit fire detectors after the temperature and smoke error determination step is greater than 2, the temperature digital data signal TDi is a temperature fire reference value. (ts1) and if the sum of the smoke error determination values (Gki) of all the unit fire detectors is greater than 2, it is determined whether the smoke digital data signal (GDi) is greater than the smoke standard value (gs1), and the temperature digital data If the signal TDi is smaller than the temperature fire reference value ts1 and / or the smoke digital data signal GDi is smaller than the smoke fire reference value gs1, the next unit fire detector ID is called (S74) to receive the temperature and the smoke concentration. Proceeds to step S42, otherwise proceeds to fire generation signal generation step S86 for generating a fire occurrence signal.

In the fire generation signal generating step S86, the temperature digital data signal TDi is greater than the temperature fire reference value ts1 or the smoke digital data signal GDi is greater than the smoke fire reference value gs1 after the fire occurrence determination step. If large, the microprocessor unit generates a fire signal.

According to another embodiment of the present invention, the fire determination step (S80, S82, S84) is largely a fire determination step (S80), temperature and smoke fire accumulation step (S82), and fire generation signal generation determination step (S84) )

The fire determination step S80 determines whether the temperature digital data signal TDi exceeds a temperature fire reference value ts1 and whether the smoke digital data signal GDi exceeds a smoke fire reference value gs1. Step. Here, the temperature fire threshold and smoke fire threshold refers to the temperature and smoke concentration values that can be regarded as empirically fire occurrences as previously seen, and in general, according to the type approval and certification technology standards of the sensor It is decided.

In the temperature and smoke accumulation step S82, when the temperature digital data signal TDi is greater than the temperature fire reference value ts1 after the fire determination step, the temperature fire accumulation value Thi is increased and at the same time, the temperature fire determination value Tli. If the smoke digital data signal GDi is greater than the smoke fire threshold ts2, the fire smoke accumulation value Ghi is increased, and at the same time, 1 is added to the smoke fire determination value Gli.

In the fire generation signal determination step S84, the temperature fire accumulation value Thi is greater than the temperature fire determination reference value l1 and the sum of the temperature fire determination values Tli of all the unit fire detectors is 2 or more or the smoke is determined. If the fire cumulative value Ghi is greater than the smoke fire determination standard value and the sum of the smoke fire determination values Gli of all the unit fire detectors is 2 or more, the process proceeds to the fire generation signal generation step S86. In step S74, a unit fire detector ID is called to obtain a temperature and smoke digital data signal. Here, accumulating the temperature fire accumulation value (Thi) and the smoke fire accumulation value (Ghi) and adding 1 to the temperature fire determination value (Tli) or the smoke error determination value (Gli) of all the unit fire detectors is a temperature digital data signal ( TDi) and smoke digital data signals (GDi) exceeding the temperature fire threshold (ts1) and smoke fire threshold (gs1) more than a certain number of times occur in one unit fire detector or another unit fire detector. to be. For example, if the temperature fire accumulation value Thi is greater than the temperature fire determination reference value l1 and at the same time the sum of the temperature fire determination values Tli of all the unit fire detectors is 2 or more, not only the specific unit fire detector but also other unit fire detectors in the vicinity. In addition, it can be judged that a fire has occurred because the temperature digital data signal is exceeding the temperature fire standard value, while the temperature fire accumulated value (Thi) is larger than the temperature fire judgment standard value (l1), but the temperature error of all unit fire detectors If the sum of the judgment values Tli is less than 2, this means that a temperature digital data signal exceeding the temperature fire reference value ts1 is generated only in one unit fire detector. It does not generate fire signal. The same applies to the smoke sensor.

According to another embodiment of the present invention, the fire determination method of the present invention, between the temperature and smoke concentration receiving step (S42) and the daily management value determination step (S50), communication status determination step (S44), communication error Determination steps (S70, S72, S74), the temperature and delay digital data signal storage step (S46), and the data format determination step (S48) may be further provided.

The communication state judging step S44 determines whether the communication state between the unit controller FC and the unit fire detectors FS1 to FSn is normal, and if so, proceeds to the following temperature and smoke digital data signal storing step S46. If abnormal, the process proceeds to the following communication error determination step (S70, S72, S74). That is, it is determined whether or not the communication state is bad, and if the communication state is bad, a communication state signal is generated and sent to the unit fire detector and the communication state display unit CSS.

The communication error determination steps S70, S72, and S74 increase the communication error accumulated value ECi when the communication state between the unit controller FC and the unit fire detectors FS1 to FSn is abnormal as a result of the communication state determination step. And generating a communication status signal indicating a communication failure if the communication error cumulative value ECi is greater than the communication error reference value r, and transmitting the communication status signal to a unit fire detector and the communication status display unit CSS. If the error cumulative value is smaller than the communication error reference value, the next unit fire detector ID is called (S74), and the communication error judging step proceeds to the temperature and smoke concentration receiving step.

The temperature and smoke digital data signal storing step (S46) is a temperature digital data signal (TDi) and a smoke digital data signal (GDi) when the communication state between the unit controller and the unit fire detector is normal as a result of the communication state determination step. ) Is stored in the memory unit CM.

The data type determination step (S48) determines whether the temperature digital data signal and the deferred digital data signal are normal, and if it is normal, proceeds to the routine management value determination step, and if abnormal, increases the data error accumulation value (EDi) (S62). If the data error cumulative value is larger than the data error reference value (s), a data status signal indicating a data defect is generated and transmitted to the unit fire detector and the communication status display part or the main display part. And calling the unit fire detector ID to proceed to the temperature and smoke concentration receiving step (S64). Here, the data format determination step is to determine whether the received temperature and smoke digital data signal has a predetermined format, and is to prevent an erroneous fire judgment due to an erroneous digital data during the reception process. For example, the normal format of a digital data signal is composed of three digit binary numbers. If the received digital data signal consists only of two digit binary numbers, such digital data signal may be affected by various factors such as noise in the reception process. It can be regarded as a broken digital data, and in such a case, it is possible to prevent the confusion caused by misinformation or malfunction by removing it from the source of fire.

Figure 3 relates to an integrated fire detection system according to another embodiment of the present invention, the fire determination according to the above-described fire determination method is made for each unit controller, the integration characterized in that the fire occurrence signal is transmitted to the main controller A block diagram of a fire detection system. As shown in FIG. 3, the integrated fire monitoring system includes a plurality of unit controllers FC1 to FCn for managing a plurality of unit fire detectors FS1 to FSn, a plurality of unit fire detectors FS1 to FSn, and It consists of one main controller CM which manages a plurality of unit controllers FC1 to FCn.

Since the unit fire detectors FS1 to FSn and the unit controllers FC1 to FCn are the same as the unit fire detector and the unit controller illustrated in FIG. 2A, detailed descriptions thereof will be omitted.

The main controller CM includes a main controller communication unit MC, a microprocessor unit MMP, a unit fire detector and a communication state display unit MSS, and a memory unit MM.

The main controller communication unit MC performs a relay role of receiving various signals from the unit controllers FC1 to FCn and transmitting them to the microprocessor unit MMP.

The microprocessor unit MMP determines whether a fire has occurred, whether a sensor is malfunctioning, or whether a communication state is defective according to the fire determination method previously seen for each unit controller. Therefore, the unit controller ID is sequentially used to call the unit controller. Receives a fire occurrence signal, a sensor state signal, and a communication state signal, as described above, in the memory unit CM of the controller, and transmits these signals to the unit fire detector and communication state display unit MSS or the memory unit MM. Store in In addition, the microprocessor unit (MMP) transmits a fire occurrence signal received from a specific unit controller to another unit controller to perform a fire alarm for each unit controller, the fire occurrence facts in different floors of large buildings or other passenger cars of the electric vehicle Inform.

Looking at the operation relationship between the plurality of unit controllers (FC1 ~ FCn) and one main controller (FM), the main controller is a plurality of unit controllers, a multi-pointer method, a server / client method, each unit controller is a repeater It is composed of various communication methods such as balanced / unbalanced communication, wired / wireless modem communication, power line communication, Bluetooth communication, and wired / wireless LAN communication. The main controller sequentially calls each of the unit controllers FC1 to FCn using the unit controller ID, and stores the temperature digital data signals TDi and the smoke digital data signals of the plurality of unit fire detectors stored in the memory unit of each unit controller. Receives (GDi), fire occurrence signal, communication status signal and sensor status signal, and transmits communication status signal and sensor status signal to unit fire detector and communication status display (MSS) to inform the outside of sensor malfunction and communication failure. Display the fire occurrence signal to other unit controller to perform fire alarm for each unit controller. Although the structures of the fire occurrence signal, the communication state signal, and the sensor state signal are not shown, a data field indicating the ID of the unit controller is added to the structure of each signal as described above. Using this signal structure, it is possible to quickly and accurately locate the location of the fire and the location of the malfunctioning unit fire detector.

4 is a block diagram of an integrated fire detection system for outputting an alarm broadcast in connection with an existing broadcasting system as an integrated fire detection system according to another embodiment of the present invention. Unlike the integrated fire monitoring system shown in FIG. 3, the present embodiment further includes a broadcast output unit MB in the main controller FM instead of the alarm sound generating units of the unit controllers FC1 to FCn. It is characterized in that the fire alarm can be performed using the broadcasting system (B). Here, the broadcast output unit (MB) forms an interlocking relationship between the main controller (FM) and the existing broadcasting system B, and receives a fire occurrence signal from the microprocessor (MMP) and transmits it to the existing broadcasting system (B). By doing so, the existing broadcasting system B performs a fire alarm.

Applicant described only the embodiment in which the fire determination is made in the microprocessor unit of the unit controller, but the fire determination in the main controller is also possible if the fire determination method of FIG. 2B is performed in the main controller. Should be construed to include conducting fire determination by the microprocessor.

FIG. 5 is a view illustrating a state in which the integrated fire detection system illustrated in FIGS. 3 to 4 is mounted and used in an electric vehicle or a train.

As shown in FIG. 5, a main controller MC is mounted on a TC vehicle TC, a unit controller FC1 is mounted on a carriage T1 and four unit fire detectors FS1 to FS4 connected thereto, and a unit controller is mounted on a carriage T2. FC2 and four unit fire detectors FS1 to FS4 connected thereto are mounted. When a fire occurs in the passenger car T1, temperature and smoke digital data signals are generated from the unit fire detectors FS1 to FS4, and based on these signals, the unit controller FC1 determines whether a fire has occurred according to the above-described fire determination method. When a fire occurs, it generates a fire signal and transmits it to the main controller (FM) and performs a fire alarm by itself. The main controller FM transmits the fire occurrence signal to the unit controllers of the passenger cars T2 to Tn to perform a fire alarm. By doing so, the fact that a fire has occurred in the carriage T1 is quickly transmitted to the other carriages T2 to Tn, thereby preventing personal injury. In addition to the fire alarm, the operation or communication status of the sensor can be displayed on the unit fire detector mounted on the passenger cars T1 to Tn, the unit fire detector of the unit controller, the communication status display unit, and the main display of the main controller according to the above-described fire determination method. Since anyone can check the operation and communication status of the sensor to prevent any confusion due to malfunction or misinformation, it is possible to quickly check and repair the failure of the unit fire detector.

In the above, the Applicant has described various embodiments of the present invention, but these embodiments are merely an example of implementing the technical idea of the present invention, and any modifications or modifications may be made to the present invention as long as the technical idea of the present invention is implemented. It should not be considered further that it should be interpreted as falling within the scope of.

The present invention can achieve the following effects by the above configuration.

The unit fire detector of the present invention outputs temperature and smoke concentration measurement values of the thermal sensor and the smoke sensor as digital data signals, and determines whether a fire has occurred using the corresponding digital data signal, and thus alarms the operation state of the sensor with high resistance to noise. By checking, the sensor's operation status is displayed to the outside, so that the sensor's operation status can be visually identified from the outside, so that crosstalk due to misinformation and malfunction can be blocked, and the fire detector can be quickly checked for malfunction. We can plan.

The integrated fire detection system according to the present invention includes a unit controller for installing a plurality of unit fire detectors and controlling a plurality of unit fire detectors, and using the temperature digital data signal and the smoke concentration digital data signal to determine whether a fire occurs or whether the sensor malfunctions. By judging whether or not the communication status is defective, it has the effect of blocking the interference caused by misinformation and malfunction.

In the integrated fire monitoring system of the present invention, since a plurality of unit controllers for managing a plurality of unit fire detectors are installed and the plurality of unit controllers are controlled by one main controller, the fire detection, determination, and alarm can be performed remotely. In addition to remotely monitoring the occurrence of fire and the operation status of the unit fire detectors at engines, fire stations, etc., it is also possible to link existing fire equipment such as sprinklers, fire doors and fire suppression devices.

The fire determination method of the present invention is capable of quickly and accurately determining whether a fire has occurred in a unit fire detector or an integrated fire monitoring system, and furthermore, by periodically checking the operating state of the sensor, it is possible to prevent a mistake due to a malfunction of the sensor. Can be planned.

Claims (15)

A thermal sensor that measures the ambient temperature and outputs the corresponding temperature as a temperature analog signal, a smoke sensor that measures the ambient smoke concentration and outputs the corresponding smoke concentration as a smoke analog signal, and displays the temperature and smoke analog signals as temperature and smoke digital data. A / D conversion unit that changes into a signal, an alarm sound generation unit for generating a fire alarm sound, and the temperature and smoke digital data signals are received from the A / D conversion unit to determine whether a fire occurs and the alarm sound when a fire occurs A unit fire detector comprising a micro process unit for transmitting a fire occurrence signal to the generator. The method of claim 1, wherein the microprocessor determines the normal operation of the heat sensor and the smoke sensor based on the temperature and smoke digital data signals received from the heat sensor and the smoke sensor to determine the sensor status signals of the heat sensor and smoke sensor And a sensor status display unit configured to transmit and receive the sensor status signal to indicate an external malfunction of the thermal sensor and the smoke sensor. A thermal sensor that measures the ambient temperature and outputs the corresponding temperature as a temperature analog signal, a smoke sensor that measures the ambient smoke concentration and outputs the corresponding smoke concentration as a smoke analog signal, and displays the temperature and smoke analog signals as temperature and smoke digital data. A / D conversion unit for converting a signal, a micro processor for receiving temperature and smoke digital data signal from the A / D conversion unit, and a unit fire detector communication unit for communicating with a unit controller, each unit fire detector ID One or more unit fire detectors, The unit controller communication unit for communicating with each of the unit fire detection communication unit, the alarm sound generating unit for generating a fire alarm sound, and receives the temperature and smoke digital data signals from the unit controller communication unit to determine whether a fire occurs when the fire occurs Sends a fire signal to the alarm sound generator, and microprocessor unit sequentially calls the unit fire detector based on the unit fire detector ID of each unit fire detector, and transmits temperature and smoke digital data signals from the microprocessor unit. Integrated fire monitoring system comprising a unit controller including a memory unit for receiving and storing. 4. The unit controller according to claim 3, wherein the unit crawler includes a heat sensor and a smoke sensor of each unit fire detector based on the temperature and the smoke digital data signal of each unit fire detector whose microprocessor unit has a unique unit fire detector ID. Determine the normal operation of the sensor, the sensor status signal of the thermal sensor and the smoke sensor, and check the communication status with each unit fire detector to generate a communication status signal, and receive the sensor status signal and the communication status signal, respectively An integrated fire monitoring system further comprising a unit fire detector and a communication status display unit for displaying a malfunction state and a communication state of the thermal sensor and the smoke sensor of the unit fire detector. The unit fire detector of claim 3, wherein the microprocessor unit determines whether the heat sensor and the smoke sensor are normally operated based on the temperature and the smoke digital data signal received from the heat sensor and the smoke sensor. Sends out the sensor status signal of the sensor and checks the communication status with the unit controller to generate a communication status signal, and receives the sensor status signal and the communication status signal to indicate the malfunction and communication status of the thermal sensor and the smoke sensor to the outside. Integrated fire monitoring system, characterized in that it further comprises a sensor and a communication status display. A thermal sensor that measures the ambient temperature and outputs the corresponding temperature as a temperature analog signal, a smoke sensor that measures the ambient smoke concentration and outputs the corresponding smoke concentration as a smoke analog signal, and displays the temperature and smoke analog signals as temperature and smoke digital data. A / D conversion unit for converting the signal, a microprocessor unit for receiving the temperature and smoke digital data signal from the A / D conversion unit, and a unit fire detector communication unit for communicating with the unit controller, each unit fire detector ID One or more unit fire detectors, A unit controller communication unit which communicates with each of the unit fire detection communication units, an alarm sound generation unit which receives a fire occurrence signal from a microprocessor unit below to generate a fire alarm sound, and a unit fire detector based on each unit fire detector ID Receives the temperature and smoke digital data signal from the main controller communication unit to determine whether a fire has occurred, and transmits a fire occurrence signal to the alarm sound generating unit in case of a fire, each unit using the temperature digital data signal and smoke digital data signal Determining whether the thermal sensor and the smoke sensor of the fire detector are in normal operation, sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the main controller below to generate a communication status signal. Micro process unit and the sensor status signal and communication A unit fire detector and communication status display unit for indicating a malfunction of the heat sensor and smoke sensor of each unit fire detector and a communication state by receiving a status signal, and transmitting temperature and smoke digital data signals from the microprocessor unit. A plurality of unit controllers each including a memory unit for receiving and storing the unit controller IDs; Each unit controller having a unit controller ID and a main controller communication unit communicating with the unit controller for the transmission of temperature and smoke digital data signals, fire generation signals, sensor status signals, and communication status signals from each unit controller communication unit. Micro-processing unit which calls sequentially and requests transmission of temperature and smoke digital data signal, fire occurrence signal, sensor state signal and communication state signal and sends out fire occurrence signal to each unit controller, the sensor state signal and communication Integrated fire monitoring system consisting of a main controller including a main display unit for indicating whether a sensor malfunctions, a communication state is defective, a fire occurrence, and a memory unit for storing the various signals by using a status signal and a fire occurrence signal. system. A thermal sensor that measures the ambient temperature and outputs the corresponding temperature as a temperature analog signal, a smoke sensor that measures the ambient smoke concentration and outputs the corresponding smoke concentration as a smoke analog signal, and displays the temperature and smoke analog signals as temperature and smoke digital data. A / D conversion unit for converting a signal, a micro processor for receiving temperature and smoke digital data signal from the A / D conversion unit, and a unit fire detector communication unit for communicating with a unit controller, each unit fire detector ID One or more unit fire detectors, A microprocessor which receives a unit fire detector based on a unit fire detector ID of each unit fire detector and communicates temperature and smoke digital data signals from the unit controller communication unit. A plurality of unit controllers each having a unit controller ID and a memory unit for receiving and storing temperature and smoke digital data signals from the microprocessor unit; Transmitting temperature and delayed digital data signals by sequentially calling the main controller communication unit which communicates with the unit controller for transmitting the temperature and delayed digital data signals from each of the unit controller communication units, and each unit controller having a unit controller ID. Request fire, receive the temperature and smoke digital data signal from the main controller communication unit, determine whether the fire occurred, send out the fire occurrence signal in case of fire, and heat sensor and smoke of each unit fire detector based on temperature and smoke digital data signal. It determines the normal operation of the sensor and sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the unit controller to generate a communication status signal, and generates a fire signal to the unit controller. , Communication status signal and sensor A micro-processing unit which transmits a status signal, a main display unit which displays whether a sensor malfunctions, a communication state is defective, or whether a fire has occurred by using the sensor status signal, the communication status signal and a fire signal, and the various signals. Has a main controller including a memory unit for storing the, Each of the unit controllers may receive a fire signal from the main controller to generate a fire alarm and a communication state signal and a sensor state signal to detect a malfunction of the sensor and whether the communication state is defective. Integrated fire monitoring system, characterized in that it further comprises a unit fire detector and a communication status display unit for displaying. A thermal sensor that measures the ambient temperature and outputs the corresponding temperature as a temperature analog signal, a smoke sensor that measures the ambient smoke concentration and outputs the corresponding smoke concentration as a smoke analog signal, and displays the temperature and smoke analog signals as temperature and smoke digital data. A / D conversion unit for converting the signal, a microprocessor unit for receiving the temperature and smoke digital data signal from the A / D conversion unit, and a unit fire detector communication unit for communicating with the unit controller, each unit fire detector ID One or more unit fire detectors, A microprocessor which receives a unit fire detector based on a unit fire detector ID of each unit fire detector and communicates temperature and smoke digital data signals from the unit controller communication unit. A plurality of unit controllers each having a unit controller ID and a memory unit for receiving and storing temperature and smoke digital data signals from the microprocessor unit; Transmitting temperature and delayed digital data signals by sequentially calling the main controller communication unit which communicates with the unit controller for transmitting temperature and delayed digital data signals from the unit controller communication unit, and each unit controller having a unit controller ID. Request fire, receive the temperature and smoke digital data signal from the main controller communication unit, determine whether the fire occurred, send out the fire occurrence signal in case of fire, and heat sensor and smoke of each unit fire detector based on temperature and smoke digital data signal. It determines the normal operation of the sensor and sends out the sensor status signal of the thermal sensor and the smoke sensor, and checks the communication status between each unit fire detector and the unit controller to generate a communication status signal, and generates a fire signal to the unit controller. , Communication status signal and sensor Micro process unit for transmitting a status signal, a broadcast output unit for receiving a fire occurrence signal from the microprocessor unit and sends it to the existing broadcasting system, and whether the sensor malfunctions using the sensor status signal, communication status signal and fire generation signal It has a main controller including a main display unit for indicating whether the communication status is defective, whether a fire occurs outside, and a memory unit for storing the various signals, Each unit controller further includes a unit fire detector and a communication state display unit configured to receive the communication state signal and the sensor state signal to indicate whether a sensor malfunctions and whether the communication state is defective. system. A fire determination method for determining a fire in a unit fire detector, comprising: a temperature and smoke concentration receiving step of receiving a temperature digital data signal and a smoke digital data signal from a unit fire detector; A reception determining step of determining whether both the temperature digital data signal and the postponed digital data signal have been received; If the temperature digital data signal is not received after the reception determination step, a sensor state signal indicating a malfunction of the thermal sensor is generated, and if the smoke digital data signal is not received, a sensor state signal indicating a malfunction of the smoke sensor is generated. Sensor receiving malfunction display step sent to the sensor status display unit by If both the temperature and the smoke concentration digital data signal are received after the reception determination step, it is determined whether the temperature digital data signal exceeds the temperature fire reference value and whether the smoke digital data signal exceeds the smoke fire reference value. If the smoke digital data signal exceeds the temperature fire threshold and the smoke fire threshold, respectively, proceed to the fire generation signal generation step below; otherwise, the fire determination step proceeds to the sensor fire malfunction indication step below; Sensor fire malfunction indication that sends a sensor status signal indicating a malfunction of the thermal sensor and the smoke sensor to the sensor status display unit if any one of the temperature and smoke digital data signals does not exceed the temperature fire threshold and the smoke fire threshold after the fire determination step. Steps, And a fire generation signal generation step of generating a fire generation signal by the microprocessor unit if exceeding after the fire occurrence determination step. 10. The method of claim 9, wherein the sensor receiving malfunction display step is A reception error accumulation step of increasing a temperature reception error cumulative value when the temperature digital data signal is not received and increasing a smoke reception error cumulative value when the deferred digital data signal is not received; If the cumulative temperature reception error value exceeds the temperature reception error reference value, a sensor status signal indicating a malfunction of the thermal sensor is generated and sent to the sensor status display. If the smoke reception error accumulation value exceeds the smoke reception error reference value, it indicates a malfunction of the smoke sensor. Generates a sensor status signal and sends it to the sensor status display unit.If the accumulated temperature reception error or smoke reception error cumulative value does not exceed the temperature reception error threshold or smoke reception error threshold, the reception error proceeds to the temperature and smoke concentration reception step. Fire determination method comprising the display step. 10. The method of claim 9, wherein the fire determination step A fire determination step of determining whether the temperature digital data signal exceeds the temperature fire reference value and whether the smoke digital data signal exceeds the smoke fire reference value, when both the temperature and the smoke digital data signal are received; After the fire determination step, if the temperature digital data signal and the smoke digital data signal exceed the temperature fire reference value and the smoke fire reference value, respectively, the temperature and smoke fire accumulation step of increasing the temperature fire accumulation value and the smoke fire accumulation value; In order to determine whether the temperature fire accumulation value and the smoke fire accumulation value exceed the temperature fire accumulation reference value and the smoke fire accumulation reference value, if it is exceeded, proceed to the fire occurrence signal generation step, and if not, to receive a new temperature and smoke digital data signal. And a fire generation signal generation step of proceeding to the temperature and smoke concentration reception step. 12. The method of claim 11, wherein the sensor fire malfunction display step is After the fire determination step, if any of the temperature and smoke digital data signals do not exceed the temperature fire and smoke fire thresholds, it is determined whether the temperature digital data signals and the smoke digital data signals exceed the temperature control and smoke management thresholds. If not exceeded, the routine proceeds to the temperature and smoke concentration receiving step to receive a new temperature and smoke concentration digital signal; A temperature and smoke error accumulation step of increasing a temperature error accumulation value and a smoke error accumulation value if the temperature digital data signal and the smoke digital data signal exceed the temperature management standard value and the smoke management standard value after the routine management value determination step; After the temperature and smoke error accumulation step, if the value of the smoke error accumulated value from the temperature error accumulation value is greater than the temperature error accumulation standard value, a sensor status signal indicating a malfunction of the thermal sensor is generated, and the value obtained by subtracting the temperature error accumulation value from the smoke error accumulation value is the smoke. If it is greater than the error accumulation reference value, it generates a sensor status signal indicating a malfunction of the smoke sensor, and if the values are smaller than the temperature error accumulation reference value and the smoke error accumulation reference value, the sensor fire malfunction determination step proceeds to the temperature and smoke concentration receiving step. Fire determination method characterized in that. A fire determination method for determining a fire by a unit controller or a main controller, comprising: a temperature and smoke concentration receiving step of calling a unit fire detector with each unit fire detector ID and receiving a temperature digital data signal and a smoke digital data signal; It is determined whether the temperature digital data signal exceeds a temperature management standard value and whether the smoke digital data signal exceeds a smoke management standard value so that the temperature digital data signal is smaller than a temperature management standard value or the smoke digital data signal is smoke management. If it is smaller than the standard value, the next unit fire detector ID is called to receive the temperature and smoke digital data signal, and the temperature and smoke concentration receiving step proceeds; Wow, After the daily management value determination step, if the temperature digital data signal is greater than the temperature management reference value, the temperature error accumulation value is increased and at the same time, 1 is given to the temperature error determination value, and if the smoke digital data signal is greater than the smoke management reference value, the smoke error accumulation value is increased. A temperature and smoke error accumulation step that increases and at the same time gives a smoke error determination value of 1; Whether the temperature error cumulative value is greater than the temperature fire error criterion and the sum of the temperature error judgment values of all the unit fire detectors is less than 2, and the smoke error cumulative value is larger than the smoke fire error criterion and the sum of the smoke error judgment values of all the unit fire detectors is Temperature and smoke error determination step of determining whether less than 2, After the temperature and smoke error determination step, if the accumulated temperature error value is greater than the temperature fire error reference value and the sum of the temperature error determination values of all the unit fire detectors is less than 2, a unit fire is generated for the sensor status signal indicating a malfunction of the thermal sensor of the unit fire detector. Sensor status indicating malfunction of smoke sensor of unit fire detector when the smoke accumulation cumulative value is higher than smoke fire error standard value and total sum of smoke error determination value of all unit fire detector is less than 2 A sensor fire malfunction display step of sending a signal to a unit fire detector and a communication state display unit or a main display unit; If the sum of temperature error determination values of all unit fire detectors after the temperature and smoke error determination step is greater than 2, whether the temperature digital data signal is greater than the temperature fire standard value, and if the sum of smoke error determination values of all unit fire detectors is greater than 2, smoke digital It is determined whether the data signal is greater than the smoke standard value, and if the temperature digital data signal is less than the temperature fire standard value and the smoke digital data signal is less than the smoke standard value, the next unit fire detector ID is called to receive the temperature and smoke concentration. A fire occurrence determination step of proceeding to a fire generation signal generation step of proceeding to a step otherwise generating a fire occurrence signal; And a fire generation signal generation step of generating a fire generation signal by a microprocessor unit if the temperature digital data signal is greater than a temperature fire reference value or the smoke digital data signal is greater than a smoke fire reference value after the fire occurrence determination step. . The method of claim 13, wherein the fire determination method determines whether the communication status between the unit controller and the unit fire detector is normal between the temperature and smoke concentration receiving step and the daily management value judgment step. The communication status judging step proceeds to the delayed digital data signal storage step and goes to the communication error judging step below if it is abnormal; As a result of the communication state determination step, if the communication state between the unit controller and the unit fire detector is abnormal, increasing the communication error cumulative value, and if the communication error cumulative value is larger than the communication error reference value, a communication state signal indicating a communication state bad. Generating and transmitting to the sensor and the communication status display unit or the main display unit, and if the communication error cumulative value is less than the communication error reference value, the next unit fire detection ID is called to the communication error determination step to proceed to the temperature and smoke concentration receiving step Communication error determination step, A temperature and smoke digital data signal storing step of storing a temperature and smoke digital data signal in a memory unit when the communication state between the unit controller and the unit fire detector is normal as a result of the communication state determining step; It is determined whether or not the format of the temperature and delay digital data signal is normal. If normal, the routine proceeds to the routine management value judgment step. If abnormal, the data error accumulation value is increased. If the data error accumulation value is larger than the data error reference value, it indicates a bad data. Generates a data status signal and transmits it to the unit fire detector and communication status display unit or main display unit. If the data error cumulative value is smaller than the data error standard value, the next unit fire detector ID is called to proceed to the temperature and smoke concentration reception step. Fire determination method, characterized in that it further comprises a determination step. The method of claim 13, wherein the fire determination step, A fire determination step of determining whether the temperature digital data signal exceeds a temperature fire reference value and whether the smoke digital data signal exceeds a smoke fire reference value; After the fire determination step, if the temperature digital data signal is greater than the temperature fire threshold, the temperature fire accumulation value is increased and at the same time, 1 is added to the temperature fire determination value, and if the smoke digital data signal is greater than the smoke fire threshold, the smoke fire accumulation value is increased. At the same time, the temperature and smoke fire accumulation step of adding 1 to the smoke fire judgment value, The temperature fire accumulation value is greater than the temperature fire determination standard and the sum of temperature fire determination values of all the unit fire detectors is 2 or more or the smoke fire accumulation value is greater than the smoke fire determination standard and the sum of the smoke fire determination values of all the unit fire detectors. If it is 2 or more, the fire generation signal generating step proceeds; otherwise, the fire detection signal generation step of proceeding to the temperature and smoke receiving step to obtain the temperature and smoke digital data signal by calling the next unit fire detector ID; Fire determination method, characterized in that.