TWM565586U - Fire protection system and fire alarm repeater - Google Patents

Abstract

The creation provides a fire protection system, including fire monitoring equipment, fire detection equipment, fire repeaters, fire action equipment, and fire engines. The fire monitoring equipment outputs a switching signal. The fire detection device outputs a detection signal. The fire repeater includes a first detecting circuit, a second detecting circuit, a microprocessor and an output circuit. When it is determined that the fire monitoring device or the fire detecting device is abnormal, the alarm signal is sent, and when the fire monitoring device is abnormal, the alarm is generated. The signal includes a first address code, and when the fire detection device is abnormal, the alarm signal includes a second address code. The fire control host receives the alarm signal and returns an actuation signal to the microprocessor according to the alarm signal. The microprocessor sends an activation signal through the output circuit. The fire action device receives the start signal and activates the fire action device according to the start signal.

Description

Fire protection system and fire repeater

A fire protection system and a fire repeater, especially a multi-point fire repeater and fire protection system.

For complete monitoring, the fire protection system usually distributes various on-site monitoring equipment, detectors, warnings, etc. throughout the building or plant area. Because the overall range is too large, repeaters are needed to connect the monitoring host to the on-site monitoring equipment. By means of the repeater, the communication distance between the devices of the system can be increased, and the attenuation of the communication signal due to the long distance can be avoided.

A traditional repeater can only monitor a single field monitoring device, or monitor a field monitoring device to combine one output point. If multiple field monitoring devices are required in the same monitoring area, multiple repeaters must be added to connect to the site. Monitoring devices, the number of repeaters that must be used increases and costs increase.

In view of this, the present invention provides a fire protection system including a fire monitoring device, a fire detection device, a fire repeater, a fire action device, and a fire control host. The fire monitoring equipment outputs a switching signal. The fire detection device outputs a detection signal in response to the detection result. The fire repeater includes a first detection circuit, a second detection circuit, a microprocessor, and an output circuit. The microprocessor is connected to the first detecting circuit, the second detecting circuit and the output circuit. The first detecting circuit is connected to the fire monitoring device and determines whether the fire monitoring device is abnormal according to the switching signal. The second detecting circuit is connected to the fire detecting device and determines whether the fire detecting device is abnormal according to the detecting signal. The microprocessor stores a first address code corresponding to the first detecting circuit and a second address code corresponding to the second detecting circuit, and sends an alarm signal when it is determined that the fire monitoring device or the fire detecting device is abnormal. When the fire monitoring equipment is abnormal, the alarm signal includes the first address code. When the fire detection device is abnormal, the alarm signal includes the second address code. The fire engine is connected to the fire repeater, receives the alarm signal, and returns an action signal to the microprocessor according to the alarm signal, and the microprocessor sends the start signal through the output circuit. The fire action device is connected to the fire repeater, receives the start signal sent by the microprocessor via the output circuit, and starts the fire action device according to the start signal.

In some embodiments, the fire repeater includes a power adjustment circuit electrically connected to the fire engine to adjust the working power according to the power provided by the fire engine, and provide the working power to the fire detection through the second detecting circuit. device.

In some embodiments, the microprocessor determines that the voltage is abnormal according to the detection signal of the fire detection device, and the processor sends an alarm signal.

In some embodiments, the microprocessor determines that the voltage is zero according to the detection signal of the fire detection device, and the microprocessor sends a fault signal, and the fault signal includes the first address code.

In some embodiments, the microprocessor determines that the switch is abnormal when the switch signal of the fire monitoring device is closed, and the microprocessor sends an alert signal.

In some embodiments, the microprocessor of the fire repeater sends an alert signal after the voltage of the fire detection device is reduced or the switching signal of the fire monitoring device is closed for a duration.

In some embodiments, the fire action device is an alarm bell, a gate, a fan control panel, a solenoid valve, a buzzer, a magnetic door lock, or a smoke exhaust window.

In some embodiments, the fire detection device is a smoke detector or a temperature detector.

In some embodiments, the firefighting host sends a reset signal, and the microprocessor replies to the initial state of the fire repeater based on the reset signal and restarts the duration.

In some embodiments, the present disclosure provides a fire repeater including a first detection circuit, a second detection circuit, a microprocessor, and an output circuit. The microprocessor is connected to the first detecting circuit, the second detecting circuit and the output circuit. The first detecting circuit is connected to the fire monitoring device and determines whether the fire monitoring device is abnormal according to the switching signal. The second detecting circuit is connected to the fire detecting device and determines whether the fire detecting device is abnormal according to the detecting signal. The microprocessor stores a first address code corresponding to the first detecting circuit and a second address code corresponding to the second detecting circuit, and sends an alarm signal when it is determined that the fire monitoring device or the fire detecting device is abnormal. When the fire monitoring equipment is abnormal, the alarm signal includes the first address code. When the fire detection device is abnormal, the alarm signal includes the second address code. The output circuit is connected to the microprocessor and sends an activation signal according to an actuation signal.

The fire protection system provided by the present embodiment can connect multiple fire monitoring devices or fire detection devices by a single fire repeater, which can save the usage of the fire repeater. The fire protection system provided by the present embodiment can provide an address code by the fire repeater for identification by the fire control host. The fire protection system provided by the present embodiment can provide a power supply for a fire monitoring device or a fire detection device by a fire repeater. The fire protection system provided by the present embodiment may reset the fire monitoring device or the fire detection device by a fire repeater. The fire protection system provided by the present embodiment can determine whether the fire monitoring device or the fire detection device is faulty by the fire repeater. The fire protection system provided by the present embodiment can transmit an action command of the fire action device by the fire repeater.

1 is a system diagram of a fire protection system in accordance with an embodiment of the present invention. Referring to FIG. 1, the fire protection system includes a fire monitoring device 30, a fire detection device 40, a fire repeater 20, a fire fighting device 50, and a fire fighting host 10. The fire monitoring device 30, the fire detecting device 40, and the fire fighting device 50 are disposed in the fire monitoring area as needed and connected to the fire fighting host 10 through the fire repeater 20. In some embodiments, each fire repeater 20 can connect 10-20 fire monitoring devices 30, or 10-20 fire detection devices 40.

2 is a system diagram of a fire protection system of another implementation of the present invention. Referring to FIG. 2, the fire repeater 20b is connected to the fire fighting host 10 through the fire repeater 20a. The anti-repeater 20a is disposed in the first fire alarm monitoring area, wherein the fire monitoring device 30a, the fire monitoring device 30b, the fire detecting device 40a, and the fire fighting device 50 are distributed in the first fire monitoring area, and are connected to the fire repeater 20a. The anti-repeater 20b is disposed in the second fire alarm monitoring area, wherein the fire monitoring device 30c and the fire detecting device 40b are distributed in the second fire alarm monitoring area, and are both connected to the fire repeater 20b. For example, each floor of a building (one floor is a fire monitoring area) is provided with a fire repeater 20, and several rooms of the floor are provided with fire monitoring equipment 30, fire detection equipment 40 and The fire fighting device 50 is also connected to the fire repeater 20 to which the floor belongs, and the plurality of fire repeaters 20 distributed on each floor transmits the alarm signal to the fire fighting host 10. Among them, the two-wire connection between each device, repeater and host to make the signal more stable.

3 is a circuit diagram of a fire repeater in accordance with an embodiment of the present invention. Referring to FIG. 3, the fire repeater 20 includes a first detecting circuit 21, a second detecting circuit 22, a microprocessor 23, and an output circuit 24. The microprocessor 23 is connected to the first detecting circuit 21, the second detecting circuit 22, and the output circuit 24. In some embodiments, the microprocessor 23 can be implemented by an integrated circuit (IC), a microprocessor, a chip, or the like.

In some embodiments, the fire monitoring device 30 is configured to output a switching signal. 1 and 3, the fire monitoring device 30 is connected to the first detecting circuit 21 of the fire repeater 20, and the first detecting circuit 21 receives the switching signal and determines whether the fire monitoring device 30 is abnormal according to the switching signal. In some embodiments, the first detecting circuit 21 transmits the switching signal to the microprocessor 23, and the microprocessor 23 determines that the switching signal is abnormal according to the switching of the fire monitoring device 30, and the microprocessor 23 sends an alarm signal. . In some embodiments, the microprocessor 23 determines that the alarm is abnormal based on the switching signal of the fire monitoring device 30 for a period of time, and the microprocessor 23 sends an alarm signal. In some embodiments, the fire monitoring device 30 can be a fire box emergency buckle, a fire pump, a smoke pressure buckle, or a water flow pressure switch.

In some embodiments, the fire detection device 40 is configured to detect a detection result and output a detection signal in response to the detection result. Referring to FIG. 1 and FIG. 3, the fire detection device 40 is connected to the second detection circuit 22 of the fire repeater 20. The second detection circuit 22 determines whether the fire detection device 40 is abnormal according to the detection signal. In some embodiments, the fire detection device can be an ionization smoke detector, a photoelectric smoke detector, a semiconductor gas sensor, or a temperature detector. In some embodiments, when the fire detection device 40 is an ionic smoke detector, the detection result means that the current in the fire detection device 40 is weakened by the influence of the smoke particles, and thus the second detection circuit 22 detects The detection signal is the voltage drop. In some embodiments, when the fire detection device 40 is a photoelectric smoke detector, the detection result refers to a signal emitted by the photoelectric element in the fire detection device 40 when receiving light from the emission source, and thus the second detection The detection signal detected by the measurement circuit 22 is the signal.

Continue to refer to Figures 2 and 3. In some embodiments, the second detection circuit 22 of the fire repeater 20 can connect a plurality of fire detection devices 40. In some embodiments, the second detection circuit 22 of the fire repeater 20 can connect a plurality of fire detection devices 40 of different kinds. In some embodiments, the microprocessor 23 of the fire repeater 20 transmits an alert signal based on a decrease in the voltage value of the fire detection device 40 or a switch signal of the fire monitoring device 30 for a duration of time.

For example, the second detecting circuit 22 of the fire repeater 20 is connected to 10 smoke detectors and 10 temperature detectors, and any one of the 10 smoke detectors and 10 temperature detectors outputs a detection signal. When the second detecting circuit 22 of the fire repeater 20 detects the voltage drop and does not change for a duration (for example, 5 to 10 seconds), the fire repeater 20 determines that the fire detecting device 40 is abnormal.

With reference to FIG. 3, in some embodiments, the microprocessor 23 stores a first address code corresponding to the first detecting circuit 21 and a second address code corresponding to the second detecting circuit 22, and determines the fire monitoring device. 30 or the fire detection device 40 sends an alarm signal when it is abnormal. The alarm signal includes a first address code when the fire monitoring device 30 is abnormal. The alarm signal includes a second address code when the fire detection device 40 is abnormal. Therefore, the first address code or the second address code is included in the alarm signal to determine whether the fire alarm is from the fire monitoring device 30 or the fire detecting device 40, and the fire fighting host 10 includes the first address code or the first according to the alarm signal. The second address code confirms which fire alarm monitoring area the fire alarm comes from. For example, the fire engine 10 has information corresponding to the fire alarms of the respective fire repeaters 20 in the fire alarm monitoring area. When the fire engine 10 receives the alarm signal, the first address code may be included in the alarm signal. The second address code confirms which fire repeater 20 the alarm signal is coming from, and then confirms which fire alarm monitoring area has an alarm.

In some embodiments, the fire engine 10 receives an alarm signal from the fire repeater 20, and the fire engine 10 returns an actuation signal to the fire repeater 20 microprocessor 23 according to the alarm signal, and the microprocessor 23 outputs the signal again. Circuit 24 sends an activation signal to fire action device 50. In some embodiments, the fire-fighting host 10 returns an action signal according to the first address code or the second address code in the alarm signal, and transmits the action signal to the fire relay corresponding to the first address code or the second address code. The microprocessor 23 of the processor 20, in turn, sends an activation signal to the fire fighting device 50 connected to the fire repeater 20 via the output circuit 24. In some embodiments, the fire engine 10 transmits an actuation signal to the microprocessor 23 of all of the fire repeaters 20 in response to the alarm signal. The microprocessor 23 then transmits the fire action device 50 that activates all of the signals via the output circuit 24.

In some embodiments, the fire engine 10 receives another alarm signal from another fire repeater 20. The fire engine 10 preferentially returns the second motion signal according to another alarm signal, and retains the original alarm signal and the actuation signal.

In some embodiments, the fire action device 50 receives the activation signal transmitted by the microprocessor 23 via the output circuit 24 and activates the fire action device 50 in accordance with the activation signal. In some embodiments, the fire action device 50 is an alarm bell, a gate, a fan control panel, a solenoid valve, a buzzer, a magnetic door lock, or a smoke exhaust window. In some embodiments, the output circuit 24 can be coupled to more than one firefighting action device 50 that can be activated simultaneously when the microprocessor 23 transmits an activation signal via the output circuit 24. In some embodiments, when the microprocessor 23 transmits an activation signal via the output circuit 24, the fire protection devices 50 can be activated separately as needed. In some embodiments, the operating power of the fire action device 50 does not exceed 2 amps (DC24V/2A).

Figure 4 is a flow chart of the fire repeater decision. In some embodiments, the fire engine 10 transmits an actuation signal to the microprocessor 23 of all the fire repeaters 20 according to the alarm signal. The microprocessor 23 interprets the actuation signal, and then determines whether the output circuit 24 sends the activation signal according to the actuation signal. Give fire fighting equipment 50. When a plurality of fire fighting devices 50 are connected to the fire repeater 20, for example, the fire fighting device 50 includes a monitoring light, an audible and visual alarm, etc., according to the received actuation signal and the preset in the microprocessor 23. It is judged whether the flow output circuit 24 sends an activation signal to the fire fighting action device 50. Referring to FIG. 4, after the microprocessor 23 receives the actuation signal (step S01), it is determined whether the actuation signal is a reset actuation signal (step S02). If yes, a reset start signal is sent (step S03). If not, it is further determined whether the action signal is an operation signal for turning on the monitor light (step S04). If so, a monitor light start signal is transmitted (step S05). If not, it is further determined whether the action signal is an audible and visual alarm actuating signal (step S06). If so, an audible and visual alarm activation signal is sent (step S07). If not, the judgment process is completed.

In some embodiments, the fire signal sent by the fire engine 10 includes a reset action signal, and the microprocessor 23 restores the fire repeater 20 and the fire detection device 40 or the fire monitoring device 30 connected thereto according to the reset action signal. State, and restart the duration to ensure that the fire protection system can be stabilized in the future. In some embodiments, the fire protection host 10 includes a clock circuit and a reset circuit to enable an operator to send a reset actuation signal from the fire protection host 10.

In some embodiments, the microprocessor 23 determines that the voltage is zero according to the detection signal of the fire detection device 40, and the microprocessor 23 sends a fault signal, and the fault signal includes the first address code. In some embodiments, after receiving the fault signal, the fire engine 10 preferentially processes the fault signal, and retains the original alarm signal and the action signal, and waits for the fault signal to be excluded, and then processes the alarm signal and the action signal.

In some embodiments, the fire repeater 20 includes a power adjustment circuit 25 electrically connected to the fire engine 10 to adjust the operating power according to the power provided by the fire engine 10 and through the second detection circuit 22 A working power source is provided to the fire detection device 40. In some embodiments, the fire power source 10 provides a power source of 20 to 26 V, and the second detection circuit 22 provides a power source of 24 VDC.

Although the technical content of the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with the art, and some modifications and refinements that do not depart from the spirit of the present invention should be included in the creation. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application.

10‧‧‧Fire mainframe
20, 20a, 20b‧‧‧ fire repeater
21‧‧‧First detection circuit
22‧‧‧Second detection circuit
23‧‧‧Microprocessor
24‧‧‧Output circuit
25‧‧‧Power adjustment circuit
30, 30a, 30b, 30c‧‧‧ fire monitoring equipment
40, 40a, 40b‧‧‧ fire detection equipment
50‧‧‧Fire action equipment
S01‧‧‧ Receiving an action signal
S02‧‧‧ Is the actuation signal a reset action signal?
S03‧‧‧ Send reset start signal
S04‧‧‧Whether the actuating signal is a signal for the monitor light
S05‧‧‧Send monitor light start signal
S06‧‧‧Whether the action signal is an audible and visual alarm
S07‧‧‧Send sound and light alarm start signal

Fig. 1 is a system diagram of a fire protection system according to an embodiment of the present invention. [Fig. 2] is a system diagram of a fire protection system of another embodiment of the present creation. Fig. 3 is a circuit diagram of a fire repeater according to an embodiment of the present invention. [Fig. 4] is a flowchart of the judgment of the fire repeater according to an embodiment of the present invention.

Claims (10)

A fire fighting system comprising: a fire monitoring device that outputs a switching signal; a fire detecting device that outputs a detecting signal in response to the detecting result; a fire repeater comprising a first detecting circuit and a second detecting a circuit, a microprocessor and an output circuit, the microprocessor is connected to the first detecting circuit, the second detecting circuit and the output circuit, the first detecting circuit is connected to the fire monitoring device and according to the switching signal Determining whether the fire monitoring device is abnormal, the second detecting circuit is connected to the fire detecting device and determining whether the fire detecting device is abnormal according to the detecting signal, wherein the microprocessor stores a first corresponding to the first detecting circuit The address code and a second address code corresponding to the second detecting circuit, and when it is determined that the fire monitoring device or the fire detecting device is abnormal, sending an alarm signal, when the fire monitoring device is abnormal, the The alarm signal includes the first address code. When the fire detection device is abnormal, the alarm signal includes the second address code; a fire engine is connected to the fire Receiving the alarm signal, and transmitting an actuation signal to the microprocessor according to the alarm signal, the microprocessor sending an activation signal through the output circuit; and a fire action device connecting the fire repeater Receiving the startup signal sent by the microprocessor via the output circuit, and starting the fire action device according to the activation signal. The fire protection system of claim 1, wherein the fire repeater further includes a power adjustment circuit electrically connected to the fire engine to adjust a working power according to the power provided by the fire host, and to transmit the second detection The circuit provides the operating power to the fire detection device. The fire protection system of claim 2, wherein the microprocessor determines that the voltage is decreased according to the detection signal of the fire detection device, and the processor sends the alarm signal. The fire protection system of claim 1 or 3, wherein the microprocessor determines that the voltage is zero according to the detection signal of the fire detection device, and the microprocessor sends a fault signal, the fault The signal includes the first address code. The fire protection system of claim 4, wherein after receiving the fault signal, the fire control host preferentially processes the fault signal and retains the alarm signal, and waits for the fault signal to be excluded before processing the alarm signal. The fire protection system of claim 1, wherein the microprocessor determines that the switch is abnormal according to the switch signal of the fire monitoring device, and the microprocessor sends the alarm signal. The fire protection system of claim 3 or 6, wherein the microprocessor of the fire repeater transmits the voltage according to the fire detection device or the switch signal of the fire monitoring device is closed for a duration Alarm signal. The fire protection system of claim 7, wherein the fire action device is an alarm bell, a gate, a fan control panel, a solenoid valve, a buzzer, a magnetic door lock or a smoke exhaust window. The fire protection system of claim 6, wherein the fire protection host sends a reset signal, the microprocessor returns an initial state of the fire repeater according to the reset signal, and restarts the duration. A fire repeater includes: a first detecting circuit receiving a switching signal of a fire detecting device; a second detecting circuit receiving a detecting signal of a fire detecting device; and a microprocessor connecting the The first detecting circuit and the second detecting circuit determine whether the fire monitoring device is abnormal according to the switching signal of the fire monitoring device, and determine whether the fire detecting device is abnormal according to the detecting signal of the fire detecting device The microprocessor stores a first address code corresponding to the first detecting circuit and a second address code corresponding to the second detecting circuit, and determines that the fire monitoring device or the fire detecting device is When an abnormality occurs, an alarm signal is sent to a fire control host and an action signal returned by the fire fighting device is received. When the fire monitoring device is abnormal, the alarm signal includes the first address code, and when the fire detection device is abnormal, The alarm signal includes the second address code; and an output circuit connected to the microprocessor to send an activation signal according to the actuation signal.