Fire alarm control device and control method

Abstract

The invention discloses a fire alarm control device and a fire alarm control method. The fire alarm control method comprises the following steps: performing host control signal and communication data transmission among a communication interface module, a main control module and a power supply module through a backboard by adopting an RS485 communication protocol; the power supply module is in butt joint with a vehicle power supply interface and outputs power supply voltage to the communication interface module and the main control module through the backboard. The communication interface module monitors state data of the temperature sensing cable, the smoke sensing detector and the temperature sensing detector in real time, and performs data communication with the main control module; the master control module collects and processes state data of the temperature sensing cable, the smoke sensing detector and the temperature sensing detector transmitted by the communication interface module in real time, displays a fire alarm state or a fault state through a screen, assists in indicating the state through an LED indicating lamp, and realizes man-machine interaction through the man-machine interface module. And responding to external information query operation and parameter setting operation. According to the invention, a modularized composition scheme of the train fire alarm controller is realized.

Description

Technical Field

[0001] This invention belongs to the field of fire alarm systems, specifically relating to a fire alarm control device and control method. Background Technology

[0002] Currently, most fire alarm controllers for subways, national railways, and urban rail vehicles are designed as integrated, single-unit chassis. Only a few projects employ modular designs, but these modular solutions vary widely, lacking a unified approach. In existing technologies, the internal functional modules of the controller (such as power supply, communication, and control units) are not standardized and separate. When equipment malfunctions, the entire unit typically needs to be replaced, making it impossible to repair individual faulty modules. This situation leads to poor equipment maintenance convenience, not only prolonging repair time but also significantly increasing equipment replacement costs, failing to meet the actual needs of the rail transit sector for efficient equipment maintenance and cost control.

[0003] This invention proposes a fire alarm control device and control method, which can realize the modular design of the train fire alarm controller. In the event of a failure of a certain module, the board of that module can be replaced individually, thereby facilitating maintenance and saving equipment replacement costs. Summary of the Invention

[0004] The purpose of this invention is to provide a fire alarm control device and control method, which aims to solve the problems in the prior art where the internal functional modules of the fire alarm controller are not standardized and decomposed. When the equipment fails, the whole machine usually needs to be replaced, and it is impossible to repair a single faulty module individually. This results in poor equipment maintenance convenience, prolonged maintenance time, and increased equipment replacement costs.

[0005] In view of the above problems, this application provides a fire alarm control device and control method.

[0006] The first aspect disclosed in this application provides a fire alarm control device, including a communication interface module, a main control module, and a power supply module; The communication interface module, main control module and power module are connected and communicated through a backplane. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, communication interface module and main control module. The power module is used to interface with the vehicle power supply interface and output power supply voltage to the communication interface module and the main control module through the backplane. The communication interface module is used to monitor the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and to communicate with the main control module. The main control module is used to collect and process the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and display the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

[0007] Preferably, the communication interface module is also used to implement the interface function of the built-in sub-controller in the front and rear vehicles. The communication interface module is connected to the CAN bus of the main control module and the external independent sub-controller respectively through the CAN bus to realize external CAN communication.

[0008] Preferably, the internal control of the main control module includes a network module, which is equipped with a network interface or a USB interface for data download.

[0009] Preferably, the network interface between the main control module and the host computer is an Ethernet interface or an MVB interface, used to send the collected status data of the temperature sensing cable, smoke detector and temperature sensor to the host computer TCMS system.

[0010] Preferably, the power module is also used to realize power conversion and I / O input / output control. The main control module is connected to the backplane to manage the RS485 communication protocol to send and receive I / O signals. The I / O signals include external hard-wired reset signal, external hard-wired mute signal, fire alarm output signal and fault output signal.

[0011] Preferably, the external interface input voltage of the power module is DC110V, and the power supply voltage output by the power module through the backplane is DC24V or DC5V.

[0012] Preferably, the RS485 communication protocol is a serial communication protocol, wherein the main control module is the communication master device, and the power supply module and the communication interface module are the communication slave devices.

[0013] A second aspect of this application discloses a fire alarm control method, the method comprising: S1: Communication is transmitted between the communication interface module, the main control module, and the power module via a backplane connection. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, the communication interface module, and the main control module. S2: The power module connects to the vehicle power supply interface and outputs power supply voltage to the communication interface module and the main control module through the backplane; S3: The communication interface module monitors the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and communicates with the main control module. S4: The main control module collects and processes the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and displays the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

[0014] The beneficial effects of this invention are as follows: (1) The modular design of the train fire alarm controller is realized. In the event of a failure of a certain module, the board of that module can be replaced individually, which improves the convenience of equipment maintenance and reduces maintenance time.

[0015] (2) It significantly reduces equipment replacement costs and meets the actual needs of the rail transit sector for equipment maintenance efficiency and cost control. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a diagram showing the overall composition of a fire alarm control device.

[0018] Figure 2 This is a schematic diagram of the overall architecture of a fire alarm control device. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1: like Figure 1 and Figure 2 As shown in the figure, this application provides a fire alarm control device, including a communication interface module, a main control module and a power supply module.

[0021] Communication is transmitted between the communication interface module, the main control module, and the power module via a backplane connection. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, the communication interface module, and the main control module.

[0022] The power module is used to interface with the vehicle power supply interface and output power supply voltage to the communication interface module and the main control module through the backplane.

[0023] The power module is also used to realize power conversion and I / O input / output control. The main control module connects to the backplane to manage the RS485 communication protocol to send and receive I / O signals. The I / O signals include external hard-wired reset signal, external hard-wired mute signal, fire alarm output signal and fault output signal.

[0024] The power module's external interface input voltage is DC110V, and the power supply voltage output by the power module through the backplane is DC24V or DC5V.

[0025] The communication interface module is used to monitor the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and to communicate with the main control module.

[0026] The communication interface module is also used to implement the interface function of the built-in sub-controller in the front and rear vehicles. The communication interface module is connected to the CAN bus of the main control module and the external independent sub-controller respectively through the CAN bus to realize external CAN communication.

[0027] The main control module is used to collect and process the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and display the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

[0028] The main control module's internal control includes a network module, which has a network interface or USB interface for data download.

[0029] The network interface between the main control module and the host computer is an Ethernet interface or an MVB interface, which is used to send the collected status data of the temperature sensing cable, smoke detector and temperature sensor to the host computer TCMS system.

[0030] Furthermore, the aforementioned RS485 communication protocol is a serial communication protocol, in which the main control module is the communication master device, and the power supply module and communication interface module are the communication slave devices.

[0031] In summary, the fire alarm control device provided in this application has the following technical effects: (1) The modular design of the train fire alarm controller is realized. In the event of a failure of a certain module, the board of that module can be replaced individually, which improves the convenience of equipment maintenance and reduces maintenance time.

[0032] (2) It significantly reduces equipment replacement costs and meets the actual needs of the rail transit sector for equipment maintenance efficiency and cost control.

[0033] Example 2: Based on the same inventive concept as the fire alarm control device in Embodiment 1, this application provides a fire alarm control method, the method comprising: S1: Communication is transmitted between the communication interface module, the main control module, and the power module via a backplane connection. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, the communication interface module, and the main control module. S2: The power module connects to the vehicle power supply interface and outputs power supply voltage to the communication interface module and the main control module through the backplane; S3: The communication interface module monitors the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and communicates with the main control module. S4: The main control module collects and processes the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and displays the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

[0034] Through the foregoing detailed description of a fire alarm control device, those skilled in the art can clearly understand the fire alarm control method in this embodiment. Since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and relevant parts can be referred to the method section.

[0035] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fire alarm control device, characterized in that, Includes a communication interface module, a main control module, and a power supply module; The communication interface module, main control module and power module are connected and communicated through a backplane. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, communication interface module and main control module. The power module is used to interface with the vehicle power supply interface and output power supply voltage to the communication interface module and the main control module through the backplane. The communication interface module is used to monitor the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and to communicate with the main control module. The main control module is used to collect and process the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and display the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

2. The fire alarm control device as described in claim 1, characterized in that, The communication interface module is also used to implement the interface function of the built-in sub-controller in the front and rear vehicles. The communication interface module is connected to the CAN bus of the main control module and the external independent sub-controller respectively through the CAN bus to realize external CAN communication.

3. A fire alarm control device as described in claim 1, characterized in that, The internal control of the main control module includes a network module, which is equipped with a network interface or a USB interface for data download.

4. A fire alarm control device as described in claim 1, characterized in that, The network interface between the main control module and the host computer is an Ethernet interface or an MVB interface, which is used to send the collected status data of the temperature sensing cable, smoke detector and temperature sensor to the host computer TCMS system.

5. A fire alarm control device as described in claim 1, characterized in that, The power module is also used to realize power conversion and I / O input / output control. The main control module connects to the backplane to manage the RS485 communication protocol to send and receive I / O signals. The I / O signals include external hard-wired reset signal, external hard-wired mute signal, fire alarm output signal and fault output signal.

6. A fire alarm control device as described in claim 1 or 5, characterized in that, The power module's external interface input voltage is DC110V, and the power supply voltage output by the power module through the backplane is DC24V or DC5V.

7. A fire alarm control device as described in claim 1 or 5, characterized in that, The RS485 communication protocol is a serial communication protocol, in which the main control module is the communication master device, and the power supply module and the communication interface module are the communication slave devices.

8. A fire alarm control method, characterized in that, The method includes: S1: Communication is transmitted between the communication interface module, the main control module, and the power module via a backplane connection. The backplane uses the RS485 communication protocol to transmit host control signals and communication data between the power module, the communication interface module, and the main control module. S2: The power module connects to the vehicle power supply interface and outputs power supply voltage to the communication interface module and the main control module through the backplane; S3: The communication interface module monitors the status data of the temperature sensing cable, smoke detector and temperature sensor in real time, and communicates with the main control module. S4: The main control module collects and processes the status data of the heat-sensing cable, smoke detector, and heat detector transmitted by the communication interface module in real time, and displays the fire alarm status on the screen. The heat-sensing cable, smoke detector, and heat detector collect the ambient smoke concentration and temperature values, and determine whether the alarm threshold has been reached based on the collected ambient smoke concentration and temperature values. The judgment result is sent to the communication interface module through the external CAN communication line. The communication interface module sends the result to the main control module through the RS485 communication protocol connected to the backplane. The main control module processes the data and sends it to the screen for display. The main control module uses LED indicators to assist in indicating the status and realizes human-machine interaction through the human-machine interface module, responding to external information query operations and parameter setting operations.

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