Fire-fighting system equipment control bus communication protocol test platform and test method

Abstract

The invention discloses a fire-fighting system equipment control bus communication protocol test platform and test method, a fire-fighting event generation unit sends a fire-fighting event to a communication protocol converter, the fire-fighting event is sent to a controller through the communication protocol converter, and a test result of a communication function of the controller is judged through a display result of the controller; and the controller sends the successfully received fire-fighting event to the fire-fighting networking simulation unit through the communication protocol converter, and judges the test result of the fire-fighting networking function of the controller through the display result of the fire-fighting networking simulation unit. According to the invention, fire-fighting linkage system equipment and networking equipment are simulated, and all standard communication protocol events are automatically sent and received; the fire-fighting system equipment control bus communication conformity of the controller is judged by observing the display consistency of the controller and the fire-fighting networking simulation unit, and a complete and efficient solution is provided for the controller to carry out standard protocol debugging and testing of the communication function and the networking function of the fire-fighting system equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of communication protocol testing, in particular to a fire protection system equipment control bus communication protocol testing platform and testing method. Background Art

[0002] Fire alarm controllers and fire linkage controllers are core equipment in fire protection systems. Figure 1 As shown, it is necessary to communicate and monitor with various fire control systems (referred to as subsystems), and at the same time, the fire alarm controller is connected to the network through equipment such as the graphic display device in the fire control room to communicate with the monitoring center.

[0003] For the automatic fire alarm system, when the controller is connected and networked with the linkage fire protection system equipment produced by different categories and manufacturers, the controller often encounters problems such as difficulty in connection, different protocols, inconvenient debugging, and poor system stability; therefore, the national standard GB 4717-2024 "Fire Alarm Controller" clearly stipulates the fire protection system equipment control bus communication protocol. When the controller communicates with the fire linkage control system, or when the controller communicates with the graphic display device in the fire control room, a unified standard protocol, namely the fire protection system equipment control bus communication protocol, must be met.

[0004] At present, controllers mainly use CAN, RS485 or RJ45 to realize the communication of fire protection system equipment. Existing controller manufacturers and testing institutions are faced with the problem that the controllers lack the ability to connect all subsystems and test methods when debugging and testing standard communication protocols. In order to debug and test the compliance of all standard communication protocols, all fire linkage subsystems and fire control room graphic display devices need to be connected, and these devices are required to be compatible with different communication port types such as CAN, RS485, RJ45, etc. of the controller.

[0005] There are more than 200 types of system equipment and more than 150 types of fire incidents required by national standards. These fire linkage subsystems are large and complex equipment systems. It is not realistic to establish a complete set on site. Even if it is fully established, it is required to debug and test the compliance of all standard communication protocols through all fire incidents and control actions actually occurring between the controller and each fire linkage subsystem. The operation is complicated, time-consuming and labor-intensive. Summary of the invention

[0006] In view of the above shortcomings and deficiencies, when debugging and testing the fire protection system equipment control bus communication protocol, a protocol converter is used to connect various controllers to the fire protection system equipment control bus communication protocol test platform, and it can be compatible with different types of communication methods (CAN, RS485, RJ45) to perform standard communication protocol tests on the controller.

[0007] In order to achieve the above-mentioned purpose, the main technical scheme adopted by the present invention is: a fire protection system equipment control bus communication protocol test platform includes a fire event generation unit, a communication protocol converter, a controller and a fire protection networking simulation unit, the fire event generation unit and the fire protection networking simulation unit are respectively connected to the input end and the output end of the controller through the communication protocol converter, the fire event generation unit sends the fire event to the communication protocol converter, the communication protocol converter converts the fire event into a data format and sends it to the controller, the test result of the communication function of the controller is judged by the response of the controller, the controller sends the successfully received fire event to the fire protection networking simulation unit through the communication protocol converter, and the test result of the fire protection networking function of the controller is verified by the display result of the fire protection networking simulation unit.

[0008] The communication protocol converter is provided with three communication interfaces, namely CAN, RS485 and RJ45, and is adapted to different controllers provided with CAN, RS485 and RJ45 interfaces respectively.

[0009] The fire event generation unit and the fire networking simulation unit are respectively connected to corresponding communication protocol converters via RS232 interfaces.

[0010] The fire protection networking simulation unit sends a query instruction to query the operation record of the controller or the fire protection event generation unit through the communication protocol converter.

[0011] The fire event generation unit simulates various types of fire linkage system equipment, runs all fire events in a software automatic simulation mode and sends them to the controller.

[0012] The various fire linkage systems include gas fire extinguishing subsystem, fire water supply monitoring subsystem, smoke exhaust monitoring subsystem, fire emergency broadcast and telephone subsystem, fire roller shutter monitoring system, fire door monitoring system, fire equipment power supply monitoring subsystem, fire emergency lighting and evacuation indication system.

[0013] The testing method of the fire protection system equipment control bus communication protocol testing platform is characterized by comprising the following steps: S1. The fire event generation unit is software running on the host computer, which adds the equipment and fire event lists of various fire systems that need to be tested; S2, connecting the fire event generation unit to the controller, and configuring the communication parameters of the fire event generation unit according to the controller with different communication interfaces; S3, the fire event generation unit sends an execution command of the fire event, and determines whether the communication function of the controller meets the test requirements according to the response of the controller; S4. If the communication function of the controller meets the test requirements, further determine the display result of the fire protection networking simulation unit to determine whether the fire protection networking function of the controller meets the test requirements.

[0014] Step S1 specifically includes adding fire protection system equipment and fire protection events by creating or importing the fire protection event generation unit through the host computer.

[0015] The communication parameters in step S2 include baud rate and port number. The fire event generation unit actively sends data frames to the controller at fixed time intervals to ensure the real-time connection. If the communication protocol converter fails to parse, the fire event generation unit determines whether to disconnect from the communication protocol converter.

[0016] In step S3, the fire event generation unit sends a fire event execution command, and sends the fire event information to the controller through the protocol converter. If the communication status light of the protocol converter is abnormal and the controller display does not display or the fire event display is wrong, the controller communication function test fails; if the communication status light of the protocol converter is normal and the controller display shows that the received fire event is correct, the controller communication function test passes, and continues to step S4; In step S4, the controller sends the fire event to the fire networking simulation unit through the protocol converter. If the communication status light of the protocol converter displays normal and the fire networking simulation unit displays that the received fire event is correct, the controller fire networking function test passes. If the communication status light of the protocol converter displays abnormally and the fire networking simulation unit does not display or the fire event displays an error, the controller fire networking function test fails.

[0017] The present invention has the following beneficial effects and advantages: The present invention adopts a fire event generation unit to simulate various types of fire linkage system equipment, and adopts software automatic simulation to run all fire equipment, fire events and control actions to send to the controller, and can automatically run to send and receive all standard communication protocol events required by national standards; at the same time, the present invention adopts a fire networking simulation unit to simulate networking equipment, and can automatically receive and display all standard communication protocol fire events required by the standard. By observing the compliance displayed by the controller and the fire networking simulation unit, the controller's fire system equipment control bus communication consistency is judged, which provides a complete and efficient solution for the controller to perform standard protocol debugging and testing of fire system equipment communication functions and networking functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the working mode of the controller of the present invention; Figure 2 This is the overall flow chart of the controller bus communication protocol test platform of the present invention; Figure 3 This is a flow chart of the controller bus communication protocol test platform testing method of the present invention. DETAILED DESCRIPTION

[0019] The present invention will be further described below in conjunction with the accompanying drawings. Figure 2 As shown, the present invention is a fire protection system equipment control bus communication protocol test platform, including a fire event generation unit, a communication protocol converter, a controller and a fire protection networking simulation unit, the fire event generation unit and the fire protection networking simulation unit are respectively connected to the input end and the output end of the controller through the communication protocol converter, the fire event generation unit sends the fire event to the communication protocol converter, the communication protocol converter converts the fire event into a data format and sends it to the controller, the test result of the communication function of the controller is judged by the display result of the controller, the controller sends the successfully received fire event to the fire protection networking simulation unit through the communication protocol converter, and the test result of the fire protection networking function is judged by the display result of the fire protection networking simulation unit; the fire protection networking simulation unit sends a query instruction to query the operation record of the controller or the fire event generation unit through the communication protocol converter.

[0020] The fire event generation unit is software running on the host computer, simulating various types of fire linkage system equipment, specifically: Various types of fire linkage systems include gas fire extinguishing subsystem, fire water supply monitoring subsystem, smoke exhaust monitoring subsystem, fire emergency broadcast and telephone subsystem, fire shutter monitoring system, fire door monitoring system, fire equipment power supply monitoring subsystem, fire emergency lighting and evacuation indication system.

[0021] The specific equipment included in these subsystems are as follows: fire alarm controller / fire alarm controller with linkage control function, fire linkage controller, fire control room graphic display device, fire display panel, detection circuit, control circuit, main power supply, backup power supply, charging circuit, sound and light alarm circuit, operation data storage unit, fire detector, smoke detector, point ion smoke detector, point photoelectric smoke detector, linear beam smoke detector, aspirating smoke detector, temperature detector, point temperature detector, linear temperature detector, cable linear fire detector, air tube linear fire detector, linear fiber temperature detector, flame detector, Detectors, point-type infrared flame detectors, point-type ultraviolet flame detectors, point-type composite infrared ultraviolet flame detectors, multi-sensor composite detectors, photosensitive fire detectors, image-type fire detectors, point-type carbon monoxide fire detectors, manual fire alarm buttons, fire hydrant buttons, emergency start buttons, emergency stop buttons, modules, input modules, output modules, input / output modules, relay modules, short-circuit isolators, fire alarm devices, fire sound and light alarms, fire sound alarms, fire light alarms, gas release alarms, alarm bells, combustible gas alarm controllers, combustible gas detectors, point-type combustible gas detectors, linear combustible gas detectors, electrical fire monitoring equipment, electrical fire monitoring detectors , residual current electrical fire monitoring detector, temperature measuring electrical fire monitoring detector, fault arc detection device, emergency lighting controller, fire emergency sign lamps, fire emergency lighting lamps, emergency power supply for fire emergency lamps, emergency lighting power distribution device, fire door monitor, normally closed fire door, normally open fire door, fire door electric door closer, fire door electromagnetic releaser, fire door magnetic switch, fire equipment power supply monitor, fire equipment power supply voltage signal sensor, fire equipment power supply current signal sensor, fire equipment power supply voltage / current signal sensor, gas fire extinguishing controller, foam fire extinguishing system, dry powder fire extinguishing system, smoke and exhaust system, fire curtain controller, smoke barrier wall control device, Fire emergency broadcast system, fire telephone host, emergency power supply for fire equipment, transmission equipment, monitoring equipment for household fire safety system control center, fire water level monitor, fire elevator, fire electrical control device, fire pump controller, fire hydrant pump, water spray pump, fine water mist pump, pressure regulating pump, sprinkler pump, deluge pump, foam liquid pump, water flow indicator, alarm valve, pressure switch, flow switch, valve drive device, electric fire damper, 70℃ fire damper, 280℃ fire damper, ventilation and air conditioning, pipe network solenoid valve, smoke and exhaust fan, electric smoke exhaust fire damper, normally closed air supply port, exhaust port, fire water monitor, electric door, smoke exhaust fan, fan, solenoid valve, lighting power distribution, power distribution, air compressor, valve, distribution box, etc.

[0022] Each fire-fighting equipment will trigger different events, and the fire-fighting event generation unit is required to simulate different types of events. The specific event types include: first fire alarm, fire alarm, electrical fire alarm, combustible gas low limit alarm, combustible gas high limit alarm, combustible gas over-range alarm, electrical fire warning, confirm fault information / fire alarm information, alarm cancellation, start, automatic start, manual start, on-site emergency start, linkage start, gas fire extinguishing start delay, gas spraying, feedback, spraying feedback, feedback cancellation, stop, on-site emergency stop, low water pressure of fire hydrant system / automatic sprinkler system, emergency, monthly inspection, annual inspection, sign lamp direction change, elevator forced landing, roller shutter half-down, roller shutter full-down, call, call, fire equipment power failure, fire equipment power undervoltage, fire equipment power overvoltage, fire equipment power Source overload, fire equipment power supply phase loss, fire equipment power supply phase error, fire water tank (pool) low water level, fire elevator out of service, supervision, supervision release, shielding, shielding release, fault, communication fault, main power fault, backup power fault, charging fault, circuit fault, component fault, line fault, grounding fault, normally closed fire door opened, normally open fire door closed, fault recovery, communication fault recovery, main power fault recovery, backup power fault recovery, charging fault recovery, circuit fault recovery, component fault recovery, line fault recovery, grounding fault recovery, normally closed fire door restored to closed state, normally open fire door restored to open state, power on, power off, reset, self-test, self-test failure, manual state, white motion state, confirmation / mute, confirmation of control button action, check function button (key) action, adjust clock, etc.

[0023] Furthermore, the protocol converter includes a processor, a power supply module, a status indicator light, a data storage unit, an RJ45 interface, a CAN interface, an RS485 interface and an RS232 interface, which are respectively adapted to different controllers with CAN, RS485 and RJ45 interfaces. Cortex-A8 is used as the processor of the protocol converter, and the main frequency of the processor is 800MHz. The protocol converter can cache different communication modes, and then convert them to RS232 communication mode and transmit information with the host computer.

[0024] Furthermore, the communication protocol converter is provided with an operation status light, a communication status light, a fault status light and a reset button.

[0025] When testing the controller communication protocol, two computers are used as host computers. One of them is equipped with a fire event generation unit to simulate various types of fire linkage system equipment, and the software is used to automatically simulate the operation of all fire equipment, fire events and control actions and send them to the controller. The fire event generation unit can automatically run the sending and receiving of more than 150 standard communication protocol events for more than 200 types of fire equipment required by the standards.

[0026] Another unit is equipped with a fire protection network simulation unit to simulate fire protection network equipment. The fire protection network simulation unit can automatically receive and display all standard communication protocol events required by the standards. All events are mainly classified into six categories: "fire alarm", "fault", "start-up", "feedback", "supervision" and "shielding". The above categories cover all situations actually encountered in the work of the fire protection system. The automatic operation and testing process takes less than 1 hour.

[0027] Taking the controller uploading data as an example, first read the data frame through the communication interface, split the received data frame, retain the information about the fire equipment event in the data frame, then encode the fire equipment event information according to the RS232 data format, and use the RS232 communication interface to send the data to the host computer software. Finally, read the event information sent by the controller on the fire networking simulation unit of the host computer.

[0028] When the host computer sends simulated event information to the controller, the fire event generation unit encodes it using the RS232 data format, and then the protocol converter splits and caches the received data frames, encodes them according to the communication interface used by the controller, and finally sends the fire equipment simulated events to the controller through the communication interface; the above is the conversion method of different communication modes of the protocol converter.

[0029] When testing the fire protection system equipment control bus communication protocol, first of all, you need to perform initial configuration for the fire protection system equipment and events: In accordance with the provisions of the national standard GB 4717-2024, add various types of equipment and event lists and their corresponding affiliations in the fire event generation unit. Different devices contain different events, and the triggered events need to be determined according to the actual functions of the equipment; when the preset project contains the equipment and events to be tested, the preset project can be imported to meet the test requirements of the fire system equipment control bus communication function; when custom test equipment and events are required, a new project can be created and configured according to the equipment and events specified in the national standard GB 4717-2024, and then tested.

[0030] After completing the initial configuration, you need to connect the fire event generation unit to the controller. Since the controller uses different communication interfaces (CAN, RS485 or RJ45), you need to configure the communication parameters (such as baud rate and port number) in the fire event generation unit when making the connection. The fire event generation unit actively sends data frames to the controller at fixed time intervals to ensure the real-time connection. If the communication protocol converter fails to parse, the fire event generation unit can quickly determine whether to disconnect.

[0031] After completing the connection between the controller and the host computer, select the device and event for testing: send the execution command of the event in the fire event generation unit, and the fire event generation unit sends the fire event information to the controller through the communication protocol converter; the event response of the controller can be used to determine whether the communication function meets the test requirements: when the protocol converter receives the data sent by the controller, the data format is converted by the protocol converter processor and sent to the controller. If the communication status light of the protocol converter displays normally and the received fire event is displayed correctly on the controller display, the communication protocol test of the controller input end passes; if the communication status light of the protocol converter displays abnormally and the controller display does not display or the fire event display is wrong, the communication protocol test of the controller input end fails; for example: when the fire event generation unit executes the equipment alarm event, if the controller receives the fire event signal, it will generate the corresponding fire alarm sound and light prompt; when the controller does not respond, it means that there is a problem with the communication function of the controller.

[0032] In order to further test the fire networking function of the controller, a fire networking simulation unit is needed to observe the controller's response and processing capabilities for events; when the communication protocol test at the controller input end passes, the controller sends the fire event to the fire networking simulation unit through the protocol converter. If the communication status light of the protocol converter displays abnormally and the fire networking simulation unit does not display or the fire event displays an error, the communication protocol test at the controller output end fails. If the communication status light of the protocol converter displays normally and the fire networking simulation unit displays that the received fire event is correct, the communication protocol test at the controller output end passes, which also shows that the communication function of the controller can meet the requirements of the national standard GB 4717-2024.

[0033] The present invention adopts a fire event generation unit to simulate various types of fire linkage system equipment, and adopts software automatic simulation to run all fire equipment, fire events and control actions to send to the controller, and can automatically run the sending and receiving of all standard communication protocol events required by the standard; at the same time, the present invention adopts a fire networking simulation unit to simulate networking equipment, and can automatically receive and display all standard communication protocol fire events required by the standard. By observing the compliance displayed by the controller and the fire networking simulation unit, the controller's fire system equipment control bus communication consistency is judged, providing a complete and efficient solution for the controller to perform standard protocol debugging and testing of the fire system equipment communication function and networking function.

Claims

1. A fire protection system equipment control bus communication protocol test platform, characterized by: The invention comprises a fire event generation unit, a communication protocol converter, a controller and a fire networking simulation unit. The fire event generation unit and the fire networking simulation unit are respectively connected to the input end and the output end of the controller through the communication protocol converter. The fire event generation unit sends the fire event to the communication protocol converter. The communication protocol converter converts the fire event into a data format and sends it to the controller. The test result of the communication function of the controller is judged by the response of the controller. The controller sends the successfully received fire event to the fire networking simulation unit through the communication protocol converter. The test result of the fire networking function of the controller is verified by the display result of the fire networking simulation unit.

2. A fire protection system equipment control bus communication protocol test platform according to claim 1, characterized in that: The communication protocol converter is provided with three communication interfaces, namely CAN, RS485 and RJ45, and is adapted to different controllers provided with CAN, RS485 and RJ45 interfaces respectively.

3. A fire protection system equipment control bus communication protocol test platform according to claim 1, characterized in that: The fire event generation unit and the fire networking simulation unit are respectively connected to corresponding communication protocol converters via RS232 interfaces.

4. A fire protection system equipment control bus communication protocol test platform according to claim 1, characterized in that: The fire protection networking simulation unit sends a query instruction to query the operation record of the controller or the fire protection event generation unit through the communication protocol converter.

5. A fire protection system equipment control bus communication protocol test platform according to claim 1, characterized in that: The fire event generation unit simulates various types of fire linkage system equipment, runs all fire events in a software automatic simulation mode and sends them to the controller.

6. A fire protection system equipment control bus communication protocol test platform according to claim 5, characterized in that: The various fire linkage systems include gas fire extinguishing subsystem, fire water supply monitoring subsystem, smoke exhaust monitoring subsystem, fire emergency broadcast and telephone subsystem, fire roller shutter monitoring system, fire door monitoring system, fire equipment power supply monitoring subsystem, fire emergency lighting and evacuation indication system.

7. The testing method of the fire protection system equipment control bus communication protocol testing platform according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1. The fire event generation unit is software running on the host computer, which adds the equipment and fire event lists of various fire systems that need to be tested; S2, connecting the fire event generation unit to the controller, and configuring the communication parameters of the fire event generation unit according to the controller with different communication interfaces; S3, the fire event generation unit sends the execution command of the fire event, and judges whether the communication function of the controller meets the test requirements according to the response of the controller; S4. If the communication function of the controller meets the test requirements, further determine the display result of the fire protection networking simulation unit to determine whether the fire protection networking function of the controller meets the test requirements.

8. The testing method of the fire protection system equipment control bus communication protocol testing platform according to claim 7 is characterized in that: Step S1 specifically includes adding fire protection system equipment and fire protection events by creating or importing the fire protection event generation unit through the host computer.

9. The testing method of the fire protection system equipment control bus communication protocol testing platform according to claim 7, characterized in that: The communication parameters in step S2 include baud rate and port number. The fire event generation unit actively sends data frames to the controller at fixed time intervals to ensure the real-time connection. If the communication protocol converter fails to parse, the fire event generation unit determines whether to disconnect from the communication protocol converter.

10. The testing method of the fire protection system equipment control bus communication protocol testing platform according to claim 7, characterized in that: In step S3, the fire event generation unit sends a fire event execution command, and sends the fire event information to the controller through the protocol converter. If the communication status light of the protocol converter is abnormal and the controller display does not display or the fire event display is wrong, the controller communication function test fails; if the communication status light of the protocol converter is normal and the controller display shows that the received fire event is correct, the controller communication function test passes, and continues to step S4; In step S4, the controller sends the fire event to the fire networking simulation unit through the protocol converter. If the communication status light of the protocol converter displays normal and the fire networking simulation unit displays that the received fire event is correct, the controller fire networking function test passes. If the communication status light of the protocol converter displays abnormally and the fire networking simulation unit does not display or the fire event displays an error, the controller fire networking function test fails.

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