CN216412310U

CN216412310U - Fire alarm controller

Info

Publication number: CN216412310U
Application number: CN202122304398.6U
Authority: CN
Inventors: 敖永平
Original assignee: Jiangxi Tsinghua Industrial Co ltd
Current assignee: Jiangxi Tsinghua Industrial Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-29
Anticipated expiration: 2031-09-23

Abstract

The utility model provides a fire alarm controller, which comprises a power voltage stabilizing circuit module, an ignition head driving circuit module, a temperature detection circuit module, a reset and download circuit module, a pressure detection circuit module, a smoke detection circuit module, an infrared light emitting circuit module, a button detection circuit module, an indicator lamp module and a buzzer starting circuit module, wherein the power voltage stabilizing circuit module is externally connected with a power supply and is connected with the ignition head driving circuit module; the ignition head driving circuit module is externally connected with an ignition head, the other end of the pressure detection module is connected with the pressure sensor, and the conventional smoke temperature sensing alarm usually sends an alarm signal when any parameter of smoke concentration or environment temperature reaches an alarm threshold value.

Description

Fire alarm controller

Technical Field

The utility model relates to the technical field of fire alarm, in particular to a fire alarm controller.

Background

The fire alarm controller is the heart of the automatic fire alarm system and can be divided into area type and centralized type alarm systems and control center alarm systems according to the monitoring area. The area alarm controller is an automatic operating device responsible for fire monitoring of an alarm area. An alarm area includes a plurality of detection regions (or detection sites). One detection area can be provided with one or more detectors for fire monitoring, a plurality of detectors in the same detection area are connected in parallel and occupy one part number together, the number of the detectors which are connected in parallel in the same detection area is allowed to be different according to different product models, and five detectors, six detectors and twenty detectors are allowed to be connected in parallel in the same detection area. The existing alarm controller sends out an alarm signal when any parameter of smoke concentration or ambient temperature reaches an alarm threshold value, and under a complex environment, the alarm is easy to report by mistake.

Therefore, there is a need for further research based on the existing fire alarm controller to provide a fire alarm controller.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the technical problems of the background art, and provides a fire alarm controller.

In order to achieve the purpose, the utility model provides the following technical scheme: a fire alarm controller comprises a power voltage stabilizing circuit module, an ignition head driving circuit module, a temperature detection circuit module, a reset and download circuit module, a pressure detection circuit module, a smoke detection circuit module, an infrared light emitting circuit module, a button detection circuit module, an indicator lamp module and a buzzer starting circuit module, which are respectively connected with a single chip microcomputer module, wherein the power voltage stabilizing circuit module is externally connected with a power supply and is connected with the ignition head driving circuit module; the ignition head driving circuit module is externally connected with an ignition head, and the other end of the pressure detection module is connected with a pressure sensor;

further, the ignition device further comprises an ignition head detection circuit module, wherein the ignition head detection circuit module is respectively connected with the power voltage stabilizing circuit module and the single chip microcomputer module and is externally connected with an ignition head.

Further, the power supply is a direct current power supply or a battery.

Has the advantages that:

1. the conventional smoke temperature sensing alarm usually sends an alarm signal when any parameter of smoke concentration or environment temperature reaches an alarm threshold value, and the product of the utility model needs to send the alarm signal when both the smoke concentration and the environment temperature reach the alarm threshold value, so that the false alarm in a complex environment is avoided;

2. the product of the utility model not only can provide alarm signals, but also can drive the fire extinguishing device and detect whether the ignition head of the fire extinguishing device has open circuit fault.

Drawings

FIG. 1 is a functional block diagram of an internal circuit according to the present invention;

FIG. 2 is a schematic diagram of the circuit of the present invention;

fig. 3 is a schematic circuit diagram of an ignition head driving circuit module, an ignition head detecting circuit module and a power supply voltage stabilizing circuit module according to the present invention;

FIG. 4 is a schematic circuit diagram of the single chip module, the single chip reset and download circuit module according to the present invention;

FIG. 5 is a schematic diagram of the circuit principle of the button detection circuit module, the pressure detection circuit module, the infrared light emitting circuit module, the indicator light circuit module and the buzzer starting circuit module according to the present invention;

FIG. 6 is a schematic circuit diagram of a temperature detection circuit module and a smoke detection circuit module according to the present invention;

FIG. 7 is a system flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a fire alarm controller includes a power voltage stabilizing circuit module, an ignition head driving circuit module, a temperature detection circuit module, a reset and download circuit module, a pressure detection circuit module, a smoke detection circuit module, an infrared light emitting circuit module, a button detection circuit module, an indicator light module, and a buzzer starting circuit module, and is respectively connected to a single chip microcomputer module, and the power voltage stabilizing circuit module is externally connected to a power supply and is connected to the ignition head driving circuit module; the ignition head detection circuit module and the ignition head driving circuit module are externally connected with an ignition head, the other end of the pressure detection module is connected with the pressure sensor, the ignition head detection circuit module is respectively connected with the power supply voltage stabilizing circuit module and the single chip microcomputer module and is externally connected with the ignition head, the power supply is a direct current power supply or a battery, and detailed circuit diagrams are shown in fig. 2-6.

As shown in fig. 3, the power supply voltage stabilizing circuit module includes a voltage stabilizing chip HT7530, 2 capacitors C2, C4 of 106uF, two electrolytic capacitors C1, C3 of 22 uF; the ignition head driving circuit module comprises a triode Q1, a resistor R2, a resistor R3, a capacitor C5, an inductor K1-A and a diode D1, and the ignition head detection circuit module comprises a resistor R1, a resistor R19, a resistor R20 and a switch K1-C, K1-B.

As shown in fig. 4, the single chip module mainly implements intelligent management of the circuit, receives feedback signals and output control signals of each module, mainly uses the single chip module with the model of C8051F330, and further includes capacitors C8 and C9, and the reset and download circuit module mainly includes an ISP interface, resistors R10 and R11, and a capacitor C10.

As shown in fig. 5, the pressure detection module is used for detecting signals of a pressure sensor of an external fire extinguisher, the pressure line is in normal open circuit state, the pressure line is in abnormal short circuit state, and the pressure detection module feeds back signals to the single chip microcomputer module, and mainly comprises a capacitor C11, a resistor R12 and a resistor R13; the alarm detection module is used for detecting an alarm signal of an external smoke sensor, an open circuit of an alarm line indicates no alarm, a short circuit indicates alarm, and a signal is fed back to the singlechip module; the button detection circuit module comprises an SWI switch, a resistor R14 and a capacitor C12, the indicating lamp circuit module comprises a light emitting diode LED and a resistor R15, and the infrared light emitting circuit module comprises a triode Q2, a light emitting diode DT, a resistor R16 and a resistor R17; the buzzer starting circuit module comprises a triode Q3, a resistor R18 and a buzzer BEEP.

The display state meaning of the indicator light and the buzzer signal is as follows:

Figure 23419DEST_PATH_GDA0003556626590000041

Figure 940559DEST_PATH_GDA0003556626590000051

as shown in fig. 6, the temperature detection circuit module includes an operational amplifier chip CN951, resistors R7, R8, R9, R21, capacitors C6, C7, and a temperature-sensitive resistor RT, and the smoke detection circuit module includes a photodiode, resistors R4, R5, and R6.

Fig. 7 is a system flow chart of the present invention, in which a second timer is set to wake up at regular time, and the battery voltage, temperature signal, smoke signal, ignition head open circuit fault, etc. are detected at regular time, and the single chip receives each feedback signal and outputs a control signal.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. A fire alarm controller, characterized by: the ignition device comprises a power supply voltage stabilizing circuit module, an ignition head driving circuit module, a temperature detection circuit module, a reset and download circuit module, a pressure detection circuit module, a smoke detection circuit module, an infrared light emitting circuit module, a button detection circuit module, an indicator lamp module and a buzzer starting circuit module, which are respectively connected with a single chip microcomputer module, wherein the power supply voltage stabilizing circuit module is externally connected with a power supply and is connected with the ignition head driving circuit module; the ignition head driving circuit module is externally connected with an ignition head, and the other end of the pressure detection module is connected with a pressure sensor.

2. A fire alarm controller according to claim 1, wherein: the ignition device is characterized by further comprising an ignition head detection circuit module, wherein the ignition head detection circuit module is respectively connected with the power voltage stabilizing circuit module and the single chip microcomputer module and is externally connected with an ignition head.

3. A fire alarm controller according to claim 1, wherein: the power supply is a direct current power supply or a battery.