WO2023179175A1 - Automatic fire-extinguishing method for wind turbine generator set - Google Patents

Automatic fire-extinguishing method for wind turbine generator set Download PDF

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Publication number
WO2023179175A1
WO2023179175A1 PCT/CN2023/070368 CN2023070368W WO2023179175A1 WO 2023179175 A1 WO2023179175 A1 WO 2023179175A1 CN 2023070368 W CN2023070368 W CN 2023070368W WO 2023179175 A1 WO2023179175 A1 WO 2023179175A1
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fire extinguishing
temperature
signal
real
fire
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PCT/CN2023/070368
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French (fr)
Chinese (zh)
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杨旭升
冯达春
杨爱龙
赵勇
王武林
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华能新疆能源开发有限公司新能源东疆分公司
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Publication of WO2023179175A1 publication Critical patent/WO2023179175A1/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

  • the invention relates to the technical field of unit fire extinguishing, and in particular to an automatic fire extinguishing method for wind turbine units.
  • the main equipment of the 3MW wind turbine is at the top of the tower, 90m above the ground.
  • the existing firefighting ladder truck cannot reach the ignition point, making it difficult to put out the fire.
  • most wind farms are located on the edge, making it impossible for personnel to perform timely rescue operations.
  • the probability of fire in the unit increases year by year.
  • a single wind turbine unit is equipped with two hand-held fire extinguishers. The value of a single wind turbine unit is high. Once a fire occurs, it will cause huge property losses and loss of power generation.
  • the wind turbine unit As power generation equipment that operates in the wild for a long time, it faces adverse conditions such as lightning strikes, high and low temperatures on the outside, and internal risks such as aging of electromechanical components and performance degradation, all of which can lead to fires.
  • the current automatic fan fire extinguishing device adopts the method of installing a set of linkage equipment inside the cabin and adopts a single control module.
  • Most of the filling materials in the fire extinguishing equipment are ultra-fine dry powder. When extinguishing the fire, it can isolate oxygen and chemical reactions through physical coverage. Interrupt the combustion reaction chain and achieve instant fire extinguishing effect.
  • dry powder fire extinguishers have a greater impact on expensive precision instruments such as inverter control boards in electrical cabinets. If dry powder fire extinguishing agents are not cleaned up in time after extinguishing the fire, residual dry powder may occur. Secondary fire or explosion phenomenon, thus causing unnecessary losses to the unit.
  • the purpose of the present invention is to propose an automatic fire extinguishing method for wind turbines in order to solve the shortcomings existing in the prior art.
  • An automatic fire extinguishing method for wind turbines the steps are as follows:
  • the temperature signals at other ends are compared to obtain a fire extinguishing implementation signal and act on the equipment end.
  • the process of collecting real-time temperature signals of the front-end monitoring area of the dry powder fire extinguishing device includes the following steps:
  • the real-time detected temperature callback information based on the callback is stored to obtain a real-time temperature signal.
  • the steps of reading the local database and obtaining the preset fire extinguishing temperature numerical information in the local database include:
  • Integrate temperature processing systems such as sensors with terminal equipment
  • the specific steps of comparing the temperature signals of other ends based on the determination signal to obtain the fire extinguishing implementation signal and acting on the equipment end include;
  • the fire extinguishing signal at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point is sent;
  • the fire extinguishing equipment receives the fire extinguishing signal to carry out fire extinguishing work at precise locations.
  • An automatic fire extinguishing system for wind turbines including:
  • Temperature collection module collects real-time temperature signals in the front-end monitoring area of the dry powder fire extinguishing device
  • Real-time temperature numerical identification module performs data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information
  • Preset fire extinguishing temperature retrieval module reads the local database and obtains the preset fire extinguishing temperature numerical information in the local database;
  • Temperature comparison module compares the real-time temperature numerical information with the preset fire extinguishing temperature numerical information to obtain comparison result information;
  • Comparison result determination module performs signal conversion on the comparison result information to obtain a comparison signal, and determines the occurrence of fire based on the comparison signal to obtain a determination signal;
  • Fire extinguishing implementation module Based on the determination signal, the temperature signals of other terminals are compared to obtain the fire extinguishing implementation signal and act on the equipment end.
  • the temperature collection module includes:
  • Temperature detection unit used to send temperature detection signals to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
  • Detection temperature callback unit used for data callback of the temperature detected in real time by the temperature-sensing magnetic power generation element
  • Real-time temperature signal acquisition and storage unit used to store the real-time detected temperature callback information of the callback to obtain a real-time temperature signal.
  • the preset fire extinguishing temperature acquisition module includes:
  • Equipment connection unit used to connect temperature processing systems such as sensors and terminal equipment;
  • Value transfer unit used to access data such as multiple analog quantities, switching quantities, relay signals, etc.
  • GPRS remote center connection unit used to connect on-site data to the remote control center through the GPRS wireless module
  • Preset fire extinguishing value sending and storage unit used to send preset fire extinguishing value information to the remote database server in real time and store it in the database.
  • the fire extinguishing implementation module includes:
  • Fire location determination unit used to receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the location signal;
  • Fire extinguishing signal sending unit used to send out fire extinguishing signals at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
  • Fire extinguishing equipment operation unit used for fire extinguishing equipment to receive fire extinguishing signals to carry out fire extinguishing work at precise locations.
  • each fire-extinguishing unit is independently set up, controlled individually, fed back independently, and is independent of each other through real-time temperature collection and comparison.
  • Fire-extinguishing equipment can be configured according to different needs to accurately extinguish fires and avoid secondary pollution of precision equipment, thus ensuring Prompt power outage and fire extinguishing work when a fire occurs, It can accurately extinguish unit equipment fires, effectively prevent the fire from expanding, prevent the fire extinguishing medium from causing incineration to other equipment when a fire occurs, and reduce losses when a unit fire occurs.
  • Figure 1 is a schematic diagram of the steps of an automatic fire extinguishing system for wind turbines proposed by the present invention.
  • an automatic fire extinguishing method for wind turbines has the following steps:
  • S1 Collect the real-time temperature signal of the front-end monitoring area of the dry powder fire extinguishing device
  • S101 Send a temperature detection signal to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
  • S102 Perform data callback on the temperature detected in real time by the temperature-sensing magnetic power generation element
  • S103 Store the real-time detected temperature callback information based on the callback to obtain a real-time temperature signal
  • S2 Perform data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information
  • S302 On-site access to multiple analog, switch, relay signals and other data
  • S304 Send the preset fire extinguishing value information to the remote database server in real time and store it in the database.
  • the comparison result of the two numbers is the result of the comparison of the high-order bits.
  • the comparison result of the two numbers is determined by the result of the comparison of the low bits.
  • This circuit utilizes the output of a one-bit numerical comparator as an intermediate result.
  • the principle it is based on is that if the high bits of the two digits A 1 , A 0 and B 1 , B 0 are not equal, the comparison result of the high bits is the comparison result of the two numbers, regardless of the low bits.
  • S601 Receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the position signal;
  • S603 fire extinguishing equipment receives fire extinguishing signals to carry out fire extinguishing work at precise locations;
  • An automatic fire extinguishing system for wind turbines including:
  • Temperature collection module collects real-time temperature signals in the front-end monitoring area of the dry powder fire extinguishing device
  • Real-time temperature numerical identification module performs data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information
  • Preset fire extinguishing temperature retrieval module reads the local database and obtains the preset fire extinguishing temperature numerical information in the local database;
  • Temperature comparison module compares the real-time temperature numerical information with the preset fire extinguishing temperature numerical information to obtain comparison result information;
  • the temperature sensor used in the process is a current output temperature sensor with a power supply voltage range of 3 ⁇ 30V, an output current of 223uA ⁇ 423uA, and a sensitivity of 1uA/°C.
  • the sampling resistor R When the sampling resistor R is connected in series in the circuit, the voltage across R can be used as Output voltage, the resistance value of R should be small to ensure that the voltage at both ends of the temperature sensor is not less than 3V.
  • the output current signal transmission distance of the temperature sensor is more than 1km, up to 20MQ, and there is no need to consider switch selection or CMOS multiplexing. The error caused by the additional resistance introduced by the device can be applied to the control of multi-point temperature measurement and remote temperature measurement.
  • Comparison result determination module performs signal conversion on the comparison result information to obtain a comparison signal, and determines the occurrence of fire based on the comparison signal to obtain a determination signal;
  • Fire extinguishing implementation module Based on the determination signal, the temperature signals of other terminals are compared to obtain the fire extinguishing implementation signal and act on the equipment end.
  • the temperature acquisition module includes:
  • Temperature detection unit used to send temperature detection signals to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
  • Detection temperature callback unit used for data callback of the temperature detected in real time by the temperature-sensing magnetic power generation element
  • Real-time temperature signal acquisition and storage unit used to store the real-time detected temperature callback information of the callback to obtain a real-time temperature signal.
  • the preset fire extinguishing temperature retrieval module includes:
  • Equipment connection unit used to connect temperature processing systems such as sensors with terminal equipment
  • numerical transfer unit used to access data such as multi-channel analog quantities, switching quantities, relay signals
  • GPRS remote center connection unit used to connect on-site data to the remote control center through the GPRS wireless module
  • Preset fire extinguishing value sending and storage unit used to send preset fire extinguishing value information to the remote database server in real time and store it in the database.
  • the fire extinguishing implementation module includes:
  • Fire location determination unit used to receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the location signal;
  • Fire extinguishing signal sending unit used to send out fire extinguishing signals at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
  • Fire extinguishing equipment operation unit used for receiving fire extinguishing signals at the fire extinguishing equipment end to perform fire extinguishing work at precise locations;

Abstract

An automatic fire-extinguishing method for a wind turbine generator set. The method comprises the following steps: collecting a real-time temperature signal of a monitoring area at a front end of a dry powder fire-extinguishing apparatus; performing data algorithm recognition on the real-time temperature signal, so as to obtain real-time temperature value information; reading a local database to acquire preset fire-extinguishing temperature value information; comparing the preset fire-extinguishing temperature value information with the real-time temperature value information, so as to obtain comparison result information; performing signal conversion on the comparison result information, so to obtain a comparison signal, and determining a fire generation condition on the basis of the comparison signal, so as to obtain a determination signal; and comparing the determination signal with a temperature signal at another end, so as to obtain a fire-extinguishing implementation signal, and applying same to a device end. Further provided is an automatic fire-extinguishing system for a wind turbine generator set. Real-time temperature collection and comparison are performed, and each fire-extinguishing unit is independently arranged, separately controlled and performs separate feedback, such that a fire-extinguishing device can be configured according to different requirements, thereby realizing accurate fire extinguishing, effectively preventing a fire from spreading, and eliminating the impact of incineration of a fire-extinguishing medium on other devices when a fire occurs.

Description

一种风电机组自动灭火方法An automatic fire extinguishing method for wind turbines 技术领域Technical field
本发明涉及机组灭火技术领域，尤其涉及一种风电机组自动灭火方法。The invention relates to the technical field of unit fire extinguishing, and in particular to an automatic fire extinguishing method for wind turbine units.
背景技术Background technique
3MW风电机组主要设备处于塔筒顶部，距离地面高度90m，现有的消防云梯车无法达到着火点，扑灭难度大，且风电场大多地处边缘，人员无法进行及时施救，此外，随着机组电气和机械部件的老化，机组发生火灾的概率逐年增加，通常单个风机组配备有两具手持式灭火器，风电机组单机价值高，一旦发生火灾，将会造成巨大的财产损失和发电量损失，风电机组作为在野外长期运行的发电设备，外部面临着雷击、高低温等不利条件，同时内部面临着机电元器件老化，性能下降等风险，这些都会导致火灾的发生。The main equipment of the 3MW wind turbine is at the top of the tower, 90m above the ground. The existing firefighting ladder truck cannot reach the ignition point, making it difficult to put out the fire. Moreover, most wind farms are located on the edge, making it impossible for personnel to perform timely rescue operations. In addition, with the electrical power of the unit And the aging of mechanical parts, the probability of fire in the unit increases year by year. Usually a single wind turbine unit is equipped with two hand-held fire extinguishers. The value of a single wind turbine unit is high. Once a fire occurs, it will cause huge property losses and loss of power generation. The wind turbine unit As power generation equipment that operates in the wild for a long time, it faces adverse conditions such as lightning strikes, high and low temperatures on the outside, and internal risks such as aging of electromechanical components and performance degradation, all of which can lead to fires.
目前的风机自动灭火装置，采用在机舱内部安装一套联动设备的方式，采取单一的控制模块，灭火设备内充填材质大多采用超细干粉，在进行灭火时，能够通过物理覆盖隔绝氧气和化学反应中断燃烧反应链，达到瞬间灭火的效果，但干粉灭火器对电气柜内变频器控制板等价格昂贵的精密仪器有较大影响，干粉灭火剂灭火后若不进行及时清理，从而残留干粉可能会发生二次火灾或爆炸现象，从而对机组造成不必要的损失现象。The current automatic fan fire extinguishing device adopts the method of installing a set of linkage equipment inside the cabin and adopts a single control module. Most of the filling materials in the fire extinguishing equipment are ultra-fine dry powder. When extinguishing the fire, it can isolate oxygen and chemical reactions through physical coverage. Interrupt the combustion reaction chain and achieve instant fire extinguishing effect. However, dry powder fire extinguishers have a greater impact on expensive precision instruments such as inverter control boards in electrical cabinets. If dry powder fire extinguishing agents are not cleaned up in time after extinguishing the fire, residual dry powder may occur. Secondary fire or explosion phenomenon, thus causing unnecessary losses to the unit.
发明内容Contents of the invention
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种风电机组自动灭火方法。The purpose of the present invention is to propose an automatic fire extinguishing method for wind turbines in order to solve the shortcomings existing in the prior art.
为了实现上述目的，本发明采用了如下技术方案：In order to achieve the above objects, the present invention adopts the following technical solutions:
一种风电机组自动灭火方法，其步骤如下：An automatic fire extinguishing method for wind turbines, the steps are as follows:
采集干粉灭火装置前端监测区域的实时温度信号；Collect real-time temperature signals from the front-end monitoring area of the dry powder fire extinguishing device;
对所述实时温度信号进行数据算法识别，得到实时温度数值信息；Perform data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
读取本地数据库，在本地数据库获取预设灭火温度数值信息；Read the local database and obtain the preset fire extinguishing temperature numerical information in the local database;
基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；Based on the preset fire extinguishing temperature numerical information, compare the real-time temperature numerical information with and obtain the comparison result information;
将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；Convert the comparison result information into signals to obtain a comparison signal, and determine the occurrence of fire based on the comparison signal to obtain a determination signal;
基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端。Based on the determination signal, the temperature signals at other ends are compared to obtain a fire extinguishing implementation signal and act on the equipment end.
优选地，在采集干粉灭火装置前端监测区域的实时温度信号过程中含有以下步骤：Preferably, the process of collecting real-time temperature signals of the front-end monitoring area of the dry powder fire extinguishing device includes the following steps:
对灭火装置前端机械式感温磁发电元件发送温度检测信号；Sends a temperature detection signal to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
对感温磁发电元件进行实时检测的温度进行数据回调；Perform data callback on the temperature detected in real time by the temperature-sensing magnetoelectric power generation element;
基于所述回调的实时检测温度回调信息进行存储，得到实时温度信号。The real-time detected temperature callback information based on the callback is stored to obtain a real-time temperature signal.
优选地，读取本地数据库，在本地数据库获取预设灭火温度数值信息中步骤具体包括：Preferably, the steps of reading the local database and obtaining the preset fire extinguishing temperature numerical information in the local database include:
将传感器等温度处理系统与终端设备连为一体；Integrate temperature processing systems such as sensors with terminal equipment;
现场接入多路模拟量、开关量、继电器信号等数据；On-site access to multiple analog, switch, relay signals and other data;
通过GPRS无线模块将现场数据与远程控制中心连接；Connect on-site data to the remote control center through GPRS wireless module;
将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。Send the preset fire extinguishing value information to the remote database server in real time and store it in the database.
优选地，基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端具体步骤包括；Preferably, the specific steps of comparing the temperature signals of other ends based on the determination signal to obtain the fire extinguishing implementation signal and acting on the equipment end include;
接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；Receive the determination signal and compare the temperature with other line ends to determine the scope of the fire and obtain the location signal;
基于该位置信号，发出对应点机舱控制柜内灭火装置端的灭火信号；Based on the position signal, the fire extinguishing signal at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point is sent;
灭火设备端接收灭火信号进行精确位置的灭火工作。The fire extinguishing equipment receives the fire extinguishing signal to carry out fire extinguishing work at precise locations.
一种风电机组自动灭火系统，包括：An automatic fire extinguishing system for wind turbines, including:
温度采集模块：采集干粉灭火装置前端监测区域的实时温度信号；Temperature collection module: collects real-time temperature signals in the front-end monitoring area of the dry powder fire extinguishing device;
实时温度数值识别模块：对所述实时温度信号进行数据算法识别，得到实时温度数值信息；Real-time temperature numerical identification module: performs data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
预设灭火温度调取模块：读取本地数据库，在本地数据库获取预设灭火温度数值信息；Preset fire extinguishing temperature retrieval module: reads the local database and obtains the preset fire extinguishing temperature numerical information in the local database;
温度比对模块：基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；Temperature comparison module: compares the real-time temperature numerical information with the preset fire extinguishing temperature numerical information to obtain comparison result information;
比对结果判定模块：将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；Comparison result determination module: performs signal conversion on the comparison result information to obtain a comparison signal, and determines the occurrence of fire based on the comparison signal to obtain a determination signal;
灭火实施模块：基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端。Fire extinguishing implementation module: Based on the determination signal, the temperature signals of other terminals are compared to obtain the fire extinguishing implementation signal and act on the equipment end.
优选地，所述温度采集模块包括：Preferably, the temperature collection module includes:
温度检测单元：用于对灭火装置前端机械式感温磁发电元件发送温度检测信号；Temperature detection unit: used to send temperature detection signals to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
检测温度回调单元：用于对感温磁发电元件进行实时检测的温度进行数据回调；Detection temperature callback unit: used for data callback of the temperature detected in real time by the temperature-sensing magnetic power generation element;
实时温度信号获取与存储单元：用于对所述回调的实时检测温度回调信息进行存储，得到实时温度信号。Real-time temperature signal acquisition and storage unit: used to store the real-time detected temperature callback information of the callback to obtain a real-time temperature signal.
优选地，所述预设灭火温度调取模块包括：Preferably, the preset fire extinguishing temperature acquisition module includes:
设备连接单元:用于将传感器等温度处理系统与终端设备连为一体;Equipment connection unit: used to connect temperature processing systems such as sensors and terminal equipment;
数值传递单元：用于接入多路模拟量、开关量、继电器信号等数据；Value transfer unit: used to access data such as multiple analog quantities, switching quantities, relay signals, etc.;
GPRS远程中心连接单元：用于通过GPRS无线模块将现场数据与远程控制中心连接；GPRS remote center connection unit: used to connect on-site data to the remote control center through the GPRS wireless module;
预设灭火数值发送与存储单元：用于将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。Preset fire extinguishing value sending and storage unit: used to send preset fire extinguishing value information to the remote database server in real time and store it in the database.
优选地，所述灭火实施模块包括：Preferably, the fire extinguishing implementation module includes:
火灾位置确定单元：用于接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；Fire location determination unit: used to receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the location signal;
灭火信号发出单元：用于发出对应点机舱控制柜内灭火装置端的灭火信号；Fire extinguishing signal sending unit: used to send out fire extinguishing signals at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
灭火设备运行单元：用于灭火设备端接收灭火信号进行精确位置的灭火工作。Fire extinguishing equipment operation unit: used for fire extinguishing equipment to receive fire extinguishing signals to carry out fire extinguishing work at precise locations.
相比现有技术，本发明的有益效果为：Compared with the existing technology, the beneficial effects of the present invention are:
本发明通过实时的温度采集与比对，各个灭火单元独立设置，单独控制、单独反馈，互相独立，可以根据不同需求进行灭火设备的配置，精准灭火，避免对精密设备造成二次污染，从而保障当火灾发生时的及时断电与灭火工作， 能够精准的扑灭机组设备火灾，有效防止火灾扩大化，杜绝灭火介质在火灾发生时对其他设备造成焚烧影响，减少了机组火灾发生时的损失。Through real-time temperature collection and comparison, each fire-extinguishing unit is independently set up, controlled individually, fed back independently, and is independent of each other through real-time temperature collection and comparison. Fire-extinguishing equipment can be configured according to different needs to accurately extinguish fires and avoid secondary pollution of precision equipment, thus ensuring Prompt power outage and fire extinguishing work when a fire occurs, It can accurately extinguish unit equipment fires, effectively prevent the fire from expanding, prevent the fire extinguishing medium from causing incineration to other equipment when a fire occurs, and reduce losses when a unit fire occurs.
附图说明Description of the drawings
图1为本发明提出的一种风电机组自动灭火系统的步骤示意图。Figure 1 is a schematic diagram of the steps of an automatic fire extinguishing system for wind turbines proposed by the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments.
参照图1，一种风电机组自动灭火方法，其步骤如下：Referring to Figure 1, an automatic fire extinguishing method for wind turbines has the following steps:
S1：采集干粉灭火装置前端监测区域的实时温度信号；S1: Collect the real-time temperature signal of the front-end monitoring area of the dry powder fire extinguishing device;
S101：对灭火装置前端机械式感温磁发电元件发送温度检测信号；S101: Send a temperature detection signal to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
S102：对感温磁发电元件进行实时检测的温度进行数据回调；S102: Perform data callback on the temperature detected in real time by the temperature-sensing magnetic power generation element;
S103：基于所述回调的实时检测温度回调信息进行存储，得到实时温度信号；S103: Store the real-time detected temperature callback information based on the callback to obtain a real-time temperature signal;
S2：对所述实时温度信号进行数据算法识别，得到实时温度数值信息；S2: Perform data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
S3：读取本地数据库，在本地数据库获取预设灭火温度数值信息；S3: Read the local database and obtain the preset fire extinguishing temperature numerical information in the local database;
S301:将传感器等温度处理系统与终端设备连为一体；S301: Integrate temperature processing systems such as sensors with terminal equipment;
S302:现场接入多路模拟量、开关量、继电器信号等数据；S302: On-site access to multiple analog, switch, relay signals and other data;
S303:通过GPRS无线模块将现场数据与远程控制中心连接；S303: Connect on-site data to the remote control center through GPRS wireless module;
S304:将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。S304: Send the preset fire extinguishing value information to the remote database server in real time and store it in the database.
S4：基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；S4: Compare the real-time temperature numerical information with the preset fire extinguishing temperature numerical information and obtain the comparison result information;
当高位（A 1、B 1）不相等时，无需比较低位（A 0、B 0），两个数的比较结果就是高位比较的结果。当高位相等时，两数的比较结果由低位比较的结果决定。　　由真值表可以写出如下逻辑表达式： When the high-order bits (A 1 , B 1 ) are not equal, there is no need to compare the low-order bits (A 0 , B 0 ). The comparison result of the two numbers is the result of the comparison of the high-order bits. When the high bits are equal, the comparison result of the two numbers is determined by the result of the comparison of the low bits. The following logical expression can be written from the truth table:
F A ＞B=（A 1＞B 1）+（A 1=B 1）.（A 0＞B 0）; F A > B = (A 1 > B 1 ) + (A 1 = B 1 ). (A 0 > B 0 );
F A ＜B=（A 1＜B 1）+（A 1=B 1）.（A 0＜B 0）; F A <B = (A 1 <B 1 ) + (A 1 =B 1 ). (A 0 <B 0 );
F A=B=（A 1=B 1）.（A 0=B 0）; F A=B = (A 1 =B 1 ). (A 0 =B 0 );
该电路利用了一位数值比较器的输出作为中间结果。它所依据的原理是，如果两位数A 1，A 0和B 1，B 0的高位不相等，则高位比较结果就是两数比较结果，与低位无关。这时，由于中间函数（A 1=B 1）=0，使与门G 1、G 2、G 3均封锁，而或门都打开，低位比较结果不能影响或门，高位比较结果则从或门直接输出。如果高位相等，即（A 1=B 1）=0,使与门G 1、G 2、G 3均打开，同时由（A 1＞B 1）=0和（A 1＜B 1）=0作用，或门也打开，低位的比较结果直接送达输出端，即低位的比较结果决定两数谁大、谁小或者相等。 This circuit utilizes the output of a one-bit numerical comparator as an intermediate result. The principle it is based on is that if the high bits of the two digits A 1 , A 0 and B 1 , B 0 are not equal, the comparison result of the high bits is the comparison result of the two numbers, regardless of the low bits. At this time, since the intermediate function (A 1 =B 1 )=0, the AND gates G 1 , G 2 , and G 3 are all blocked, and the OR gates are all open. The low-order comparison result cannot affect the OR gate, and the high-order comparison result is obtained from the OR gate. Gate output directly. If the high bits are equal, that is, (A 1 =B 1 )=0, the AND gates G 1 , G 2 , and G 3 are all open, and at the same time (A 1 >B 1 )=0 and (A 1 <B 1 )=0 function, the OR gate is also opened, and the low-order comparison result is directly sent to the output terminal, that is, the low-order comparison result determines which of the two numbers is larger, smaller, or equal.
S5：将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；S5: Convert the comparison result information into signals to obtain a comparison signal, and determine the fire occurrence situation based on the comparison signal to obtain a determination signal;
S6：基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端；S6: Compare the temperature signals of other terminals based on the determination signal, obtain the fire extinguishing implementation signal and act on the equipment terminal;
S601：接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；S601: Receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the position signal;
S602：基于该位置信号，发出对应点机舱控制柜内灭火装置端的灭火信号；S602: Based on the position signal, send out the fire extinguishing signal at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
S603灭火设备端接收灭火信号进行精确位置的灭火工作；S603 fire extinguishing equipment receives fire extinguishing signals to carry out fire extinguishing work at precise locations;
一种风电机组自动灭火系统，包括：An automatic fire extinguishing system for wind turbines, including:
温度采集模块：采集干粉灭火装置前端监测区域的实时温度信号；Temperature collection module: collects real-time temperature signals in the front-end monitoring area of the dry powder fire extinguishing device;
实时温度数值识别模块：对所述实时温度信号进行数据算法识别，得到实时温度数值信息；Real-time temperature numerical identification module: performs data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
预设灭火温度调取模块：读取本地数据库，在本地数据库获取预设灭火温度数值信息；Preset fire extinguishing temperature retrieval module: reads the local database and obtains the preset fire extinguishing temperature numerical information in the local database;
温度比对模块：基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；Temperature comparison module: compares the real-time temperature numerical information with the preset fire extinguishing temperature numerical information to obtain comparison result information;
流程中采用的温度传感器为电流输出型温度传感器，供电电压范围为3~30V，输出电流223uA~423uA，灵敏度为1uA/℃，当在电路中串接采样电阻R时，R两端的电压可作为输出电压，R的阻值取值较小，以保证温度传感器两端的电压不低于3V，温度传感器的输出电流信号传输距离为1km以上，最高可达20MQ，不必考虑选择开关或CMOS多路转换器所引入的附加电阻造成的误差，可适用于多点温度测量和远距离温度测量的控制。The temperature sensor used in the process is a current output temperature sensor with a power supply voltage range of 3~30V, an output current of 223uA~423uA, and a sensitivity of 1uA/℃. When the sampling resistor R is connected in series in the circuit, the voltage across R can be used as Output voltage, the resistance value of R should be small to ensure that the voltage at both ends of the temperature sensor is not less than 3V. The output current signal transmission distance of the temperature sensor is more than 1km, up to 20MQ, and there is no need to consider switch selection or CMOS multiplexing. The error caused by the additional resistance introduced by the device can be applied to the control of multi-point temperature measurement and remote temperature measurement.
比对结果判定模块：将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；Comparison result determination module: performs signal conversion on the comparison result information to obtain a comparison signal, and determines the occurrence of fire based on the comparison signal to obtain a determination signal;
灭火实施模块：基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端。Fire extinguishing implementation module: Based on the determination signal, the temperature signals of other terminals are compared to obtain the fire extinguishing implementation signal and act on the equipment end.
其中，温度采集模块包括：Among them, the temperature acquisition module includes:
温度检测单元：用于对灭火装置前端机械式感温磁发电元件发送温度检测信号；Temperature detection unit: used to send temperature detection signals to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
检测温度回调单元：用于对感温磁发电元件进行实时检测的温度进行数据回调；Detection temperature callback unit: used for data callback of the temperature detected in real time by the temperature-sensing magnetic power generation element;
实时温度信号获取与存储单元：用于对所述回调的实时检测温度回调信息进行存储，得到实时温度信号。Real-time temperature signal acquisition and storage unit: used to store the real-time detected temperature callback information of the callback to obtain a real-time temperature signal.
进一步的，预设灭火温度调取模块包括：Furthermore, the preset fire extinguishing temperature retrieval module includes:
设备连接单元:用于将传感器等温度处理系统与终端设备连为一体;数值传递单元：用于接入多路模拟量、开关量、继电器信号等数据；Equipment connection unit: used to connect temperature processing systems such as sensors with terminal equipment; numerical transfer unit: used to access data such as multi-channel analog quantities, switching quantities, relay signals;
GPRS远程中心连接单元：用于通过GPRS无线模块将现场数据与远程控制中心连接；GPRS remote center connection unit: used to connect on-site data to the remote control center through the GPRS wireless module;
预设灭火数值发送与存储单元：用于将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。Preset fire extinguishing value sending and storage unit: used to send preset fire extinguishing value information to the remote database server in real time and store it in the database.
其次，灭火实施模块包括：Secondly, the fire extinguishing implementation module includes:
火灾位置确定单元：用于接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；Fire location determination unit: used to receive the determination signal and compare the temperature with other line ends to determine the fire occurrence range and obtain the location signal;
灭火信号发出单元：用于发出对应点机舱控制柜内灭火装置端的灭火信号；Fire extinguishing signal sending unit: used to send out fire extinguishing signals at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
灭火设备运行单元：用于灭火设备端接收灭火信号进行精确位置的灭火工作；Fire extinguishing equipment operation unit: used for receiving fire extinguishing signals at the fire extinguishing equipment end to perform fire extinguishing work at precise locations;
接收所述判定信号并传递至机舱控制柜内灭火装置端；机械感温与热敏线作为探测触发条件，只将机械感温元件动作反馈信号传输给机组的紧急停机接点，不参与机舱消防系统的维护状态，当需要触碰或拆卸电气柜内灭火装置时，可将灭火装置航空插头拧下即可。Receive the determination signal and transmit it to the fire extinguishing device in the engine room control cabinet; the mechanical temperature sensing and thermal lines are used as detection trigger conditions, and only the action feedback signal of the mechanical temperature sensing element is transmitted to the emergency shutdown contact of the unit, and does not participate in the engine room fire protection system In the maintenance state, when you need to touch or disassemble the fire extinguishing device in the electrical cabinet, you can unscrew the aviation plug of the fire extinguishing device.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can, within the technical scope disclosed in the present invention, implement the technical solutions of the present invention. Equivalent substitutions or changes of the inventive concept thereof shall be included in the protection scope of the present invention.

Claims (10)

  1. 一种风电机组自动灭火方法，其特征在于，其步骤如下： An automatic fire extinguishing method for wind turbines, which is characterized in that the steps are as follows:
    采集干粉灭火装置前端监测区域的实时温度信号；Collect real-time temperature signals from the front-end monitoring area of the dry powder fire extinguishing device;
    对所述实时温度信号进行数据算法识别，得到实时温度数值信息；Perform data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
    读取本地数据库，在本地数据库获取预设灭火温度数值信息；Read the local database and obtain the preset fire extinguishing temperature numerical information in the local database;
    基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；Based on the preset fire extinguishing temperature numerical information, compare the real-time temperature numerical information with and obtain the comparison result information;
    将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；Convert the comparison result information into signals to obtain a comparison signal, and determine the occurrence of fire based on the comparison signal to obtain a determination signal;
    基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端。Based on the determination signal, the temperature signals at other ends are compared to obtain a fire extinguishing implementation signal and act on the equipment end.
  2. 根据权利要求1所述的一种风电机组自动灭火方法，其特征在于，在采集干粉灭火装置前端监测区域的实时温度信号过程中含有以下步骤： An automatic fire extinguishing method for wind turbines according to claim 1, characterized in that the process of collecting the real-time temperature signal of the front-end monitoring area of the dry powder fire extinguishing device includes the following steps:
    对灭火装置前端机械式感温磁发电元件发送温度检测信号；Sends a temperature detection signal to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
    对感温磁发电元件进行实时检测的温度进行数据回调；Perform data callback on the temperature detected in real time by the temperature-sensing magnetoelectric power generation element;
    基于所述回调的实时检测温度回调信息进行存储，得到实时温度信号。The real-time detected temperature callback information based on the callback is stored to obtain a real-time temperature signal.
  3. 根据权利要求1所述的一种风电机组自动灭火方法，其特征在于，读取本地数据库，在本地数据库获取预设灭火温度数值信息中步骤具体包括： An automatic fire extinguishing method for wind turbines according to claim 1, characterized in that the steps of reading a local database and obtaining preset fire extinguishing temperature numerical information in the local database specifically include:
    将传感器等温度处理系统与终端设备连为一体；Integrate temperature processing systems such as sensors with terminal equipment;
    现场接入多路模拟量、开关量、继电器信号等数据；On-site access to multiple analog, switch, relay signals and other data;
    通过GPRS无线模块将现场数据与远程控制中心连接；Connect on-site data to the remote control center through GPRS wireless module;
    将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。Send the preset fire extinguishing value information to the remote database server in real time and store it in the database.
  4. 根据权利要求1所述的一种风电机组自动灭火方法，其特征在于，基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端具体步骤包括； An automatic fire extinguishing method for wind turbines according to claim 1, characterized in that the specific steps of comparing temperature signals at other ends based on the determination signal to obtain a fire extinguishing implementation signal and acting on the equipment end include;
    接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；Receive the determination signal and compare the temperature with other line ends to determine the scope of the fire and obtain the location signal;
    基于该位置信号，发出对应点机舱控制柜内灭火装置端的灭火信号；Based on the position signal, the fire extinguishing signal at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point is sent;
    灭火设备端接收灭火信号进行精确位置的灭火工作。The fire extinguishing equipment receives the fire extinguishing signal to carry out fire extinguishing work at precise locations.
  5. 一种风电机组自动灭火系统，其特征在于，包括： An automatic fire extinguishing system for wind turbines, which is characterized by including:
    温度采集模块：采集干粉灭火装置前端监测区域的实时温度信号；Temperature collection module: collects real-time temperature signals in the front-end monitoring area of the dry powder fire extinguishing device;
    实时温度数值识别模块：对所述实时温度信号进行数据算法识别，得到实时温度数值信息；Real-time temperature numerical identification module: performs data algorithm identification on the real-time temperature signal to obtain real-time temperature numerical information;
    预设灭火温度调取模块：读取本地数据库，在本地数据库获取预设灭火温度数值信息；Preset fire extinguishing temperature retrieval module: reads the local database and obtains the preset fire extinguishing temperature numerical information in the local database;
    温度比对模块：基于所述预设灭火温度数值信息对实时温度数值信息与进行比对，得出比对结果信息；Temperature comparison module: compares the real-time temperature numerical information with the preset fire extinguishing temperature numerical information to obtain comparison result information;
    比对结果判定模块：将比对结果信息进行信号转化，得出比对信号，并基于所述比对信号进行火灾产生情况判定，得出判定信号；Comparison result determination module: performs signal conversion on the comparison result information to obtain a comparison signal, and determines the fire occurrence situation based on the comparison signal to obtain a determination signal;
    灭火实施模块：基于所述判定信号进行他端温度信号比对，得出灭火实施信号并作用于设备端。Fire extinguishing implementation module: Based on the determination signal, the temperature signals of other terminals are compared to obtain the fire extinguishing implementation signal and act on the equipment end.
  6. 根据权利要求5所述的一种风电机组自动灭火系统，其特征在于，所述温度采集模块包括： An automatic fire extinguishing system for wind turbines according to claim 5, characterized in that the temperature acquisition module includes:
    温度检测单元：用于对灭火装置前端机械式感温磁发电元件发送温度检测信号；Temperature detection unit: used to send temperature detection signals to the mechanical temperature-sensing magnetic power generation element at the front end of the fire extinguishing device;
    检测温度回调单元：用于对感温磁发电元件进行实时检测的温度进行数据回调；Detection temperature callback unit: used for data callback of the temperature detected in real time by the temperature-sensing magnetic power generation element;
    实时温度信号获取与存储单元：用于对所述回调的实时检测温度回调信息进行存储，得到实时温度信号。Real-time temperature signal acquisition and storage unit: used to store the real-time detected temperature callback information of the callback to obtain a real-time temperature signal.
  7. 根据权利要求5所述的一种风电机组自动灭火系统，其特征在于，所述预设灭火温度调取模块包括： An automatic fire extinguishing system for wind turbines according to claim 5, characterized in that the preset fire extinguishing temperature acquisition module includes:
    设备连接单元:用于将传感器等温度处理系统与终端设备连为一体;Equipment connection unit: used to connect temperature processing systems such as sensors and terminal equipment;
    数值传递单元：用于接入多路模拟量、开关量、继电器信号等数据；Value transfer unit: used to access data such as multiple analog quantities, switching quantities, relay signals, etc.;
    GPRS远程中心连接单元：用于通过GPRS无线模块将现场数据与远程控制中心连接；GPRS remote center connection unit: used to connect on-site data to the remote control center through the GPRS wireless module;
    预设灭火数值发送与存储单元：用于将预设灭火数值信息实时发送到远程数据库服务器，并存储到数据库中。Preset fire extinguishing value sending and storage unit: used to send preset fire extinguishing value information to the remote database server in real time and store it in the database.
  8. 根据权利要求5所述的一种风电机组自动灭火系统，其特征在于，所述灭火实施模块包括： An automatic fire extinguishing system for wind turbines according to claim 5, characterized in that the fire extinguishing implementation module includes:
    火灾位置确定单元：用于接收所述判定信号并与其他线路端进行温度比对，确定火灾发生范围，并得出位置信号；Fire location determination unit: used to receive the determination signal and compare the temperature with other line ends to determine the fire range and obtain the location signal;
    灭火信号发出单元：用于发出对应点机舱控制柜内灭火装置端的灭火信号；Fire extinguishing signal sending unit: used to send out fire extinguishing signals at the end of the fire extinguishing device in the engine room control cabinet at the corresponding point;
    灭火设备运行单元：用于灭火设备端接收灭火信号进行精确位置的灭火工作。Fire extinguishing equipment operation unit: used for fire extinguishing equipment to receive fire extinguishing signals to carry out fire extinguishing work at precise locations.
  9. 一种智能计算机设备，其特征在于，包括存储器和处理器，所述存储器中存储有计算机可读指令，所述处理器执行所述计算机可读指令时实现如权利要求1至5中任一项所述的一种风电机组自动灭火方法的步骤。 An intelligent computer device, characterized in that it includes a memory and a processor, computer-readable instructions are stored in the memory, and when the processor executes the computer-readable instructions, it implements any one of claims 1 to 5 The steps of the automatic fire extinguishing method for wind turbines.
  10. 一种智能计算机可读存储介质，其特征在于，所述计算机可读存储介质上存储有计算机可读指令，所述计算机可读指令被处理器执行时实现如权利要求1至5中任一项所述的一种风电机组自动灭火方法的步骤。 An intelligent computer-readable storage medium, characterized in that computer-readable instructions are stored on the computer-readable storage medium. When the computer-readable instructions are executed by a processor, the computer-readable instructions implement any one of claims 1 to 5. The steps of the automatic fire extinguishing method for wind turbines.
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