CN215781111U

CN215781111U - Fan cabin fire extinguishing system

Info

Publication number: CN215781111U
Application number: CN202120535748.7U
Authority: CN
Inventors: 张鑫; 赵志远; 杜宝刚; 卢引承; 任瑞红; 吕福元; 张昕; 纪辉; 李燕冬; 杨明辉; 延卫忠; 杨文欢; 王哲
Original assignee: Huaneng Hohhot Wind Power Generation Co ltd
Current assignee: Huaneng Hohhot Wind Power Generation Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-02-11
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to the technical field of wind generating sets, in particular to a fan engine room fire-fighting system which comprises a fire-extinguishing device, a temperature monitoring circuit, a smoke monitoring circuit, an alarm module and a master control unit. The temperature monitoring circuit and the smoke monitoring circuit respectively detect the temperature and the smoke in the engine room and transmit the monitored data to the alarm module. The alarm module receives data of the temperature monitoring circuit and the smoke monitoring circuit and sends an alarm signal to the master control unit according to the data. The main control unit controls the fire extinguishing device according to the alarm signal. The fan engine room fire-fighting system can trigger the fire extinguishing device according to the temperature and the smoke condition in the engine room, and further prevent fire in the engine room.

Description

Fan cabin fire extinguishing system

Technical Field

The utility model relates to the technical field of wind generating sets, in particular to a fire-fighting system of a fan engine room.

Background

In the wind turbine cabin, a generator, a control cabinet, a switch cabinet, a frequency conversion cabinet, a gear box, a hydraulic system, a brake system and the like are placed, various electrical equipment and combustible materials are densely placed in the wind turbine cabin, the fire risk is high, once a fire accident happens, flame rapidly spreads, the wind turbine or other important parts are seriously damaged, even the whole wind turbine is damaged, and great economic loss is caused. The key of taking fire-fighting measures is to monitor the fire accurately in time, and the key is also the guarantee of the safe operation of the wind power plant.

Therefore, a cabin fire fighting system is urgently needed in order to timely monitor the internal condition of the cabin and prevent fire.

Content of application

The utility model aims to provide a fan engine room fire-fighting system which can trigger a fire-extinguishing device according to the temperature and smoke conditions in an engine room so as to prevent a fire disaster in the engine room.

The embodiment of the utility model is realized by the following technical scheme:

a fan engine room fire-fighting system comprises a fire-extinguishing device, a temperature monitoring loop, a smoke monitoring loop, an alarm module and a master control unit; the temperature monitoring circuit and the smoke monitoring circuit respectively monitor the temperature and the smoke in the cabin and transmit the monitored data to the alarm module; the alarm module receives the data of the temperature monitoring circuit and the smoke monitoring circuit and sends an alarm signal to the master control unit according to the data; and the master control unit controls the fire extinguishing device according to the alarm signal.

Further, the temperature monitoring device comprises a plurality of temperature sensors; the temperature sensors are uniformly distributed in the cabin; the smoke monitoring device comprises a plurality of smoke sensors; the smoke sensors are uniformly distributed in the cabin.

Further, the temperature sensor is a mechanical temperature sensor.

Further, the temperature sensor and the smoke sensor are provided with 3.

Further, the fire extinguishing device is provided with an electromagnetic valve for controlling the opening and closing of the fire extinguishing device; and the master control unit controls the on-off of the electromagnetic valve.

Further, the fire extinguishing apparatus is provided with a plurality of fire extinguishing agent outlets; a plurality of fire extinguisher outlets are distributed at each part inside the engine room; each fire extinguisher outlet is correspondingly provided with a group of electromagnetic valves, temperature sensors and smoke sensors; and the spraying area of the fire extinguisher outlet is the same as the monitoring positions of the corresponding temperature sensor and the corresponding smoke sensor.

Furthermore, the fire extinguishing device is provided with a mechanical temperature sensing switch; the opening temperature of the mechanical temperature sensing switch is 110 ℃.

Further, the device also comprises a cabin control unit; the alarm module and the fire extinguishing device are both connected to the cabin control unit; and the cabin control unit controls the fire extinguishing device according to the alarm signal of the alarm unit.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

when the fan engine room fire-fighting system is used, the temperature monitoring loop monitors the temperature in the engine room and sends a signal obtained by monitoring to the alarm module. Meanwhile, the smoke monitoring loop monitors smoke in the engine room and sends a signal obtained by monitoring to the alarm module. And the alarm module sends an alarm to the master control unit according to the monitoring result of the smoke monitoring circuit and the monitoring result of the temperature monitoring circuit. When the monitoring result of one of the smoke monitoring circuit and the temperature monitoring circuit exceeds a threshold value, the alarm module sends a pre-alarm signal to the master control module. Personnel in the central control room can make more reasonable judgment according to the alarm information received by the master control unit, and if a fire is found, the fire extinguishing device can be started remotely; if the early warning caused by other problems is detected, the fan is stopped to check and process faults or reset operation is carried out according to the state of the fan. When the monitoring results of the smoke monitoring loop and the temperature monitoring loop both exceed the threshold value, the alarm module sends a main alarm signal to the master control module. The fire extinguishing device is started and extinguishes fire.

The fan engine room fire-fighting system can trigger the fire extinguishing device according to the temperature and the smoke condition in the engine room, and further prevent fire in the engine room.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a frame diagram of a blower cabin fire protection system provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Example (b):

as shown in figure 1, the utility model provides a fan cabin fire-fighting system which comprises a fire-extinguishing device, a temperature monitoring circuit, a smoke monitoring circuit, an alarm module and a master control unit. The temperature monitoring circuit comprises a plurality of temperature sensors distributed in the interior of the cabin. The smoke monitoring circuit comprises a number of smoke monitors distributed inside the cabin. The temperature monitoring circuit and the smoke monitoring circuit respectively monitor the temperature and the smoke in the engine room and transmit the monitored data to the alarm module. The alarm module receives data of the temperature monitoring circuit and the smoke monitoring circuit and sends an alarm signal to the master control unit according to the data. When the monitoring result of one of the smoke monitoring circuit and the temperature monitoring circuit exceeds a threshold value, the alarm module sends a pre-alarm signal to the master control module. When the monitoring results of the smoke monitoring loop and the temperature monitoring loop both exceed the threshold value, the alarm module sends a main alarm signal to the master control module.

The fire extinguishing device is provided with an electromagnetic valve for controlling the opening and closing of the fire extinguishing device. The master control unit controls the on-off of the electromagnetic valve according to the alarm signal so as to control the fire extinguishing device. The master control unit is arranged in the central control room and is controlled manually.

In this embodiment, the temperature monitoring device includes a plurality of temperature sensors. The temperature sensors are uniformly distributed in the cabin. The smoke monitoring device comprises a plurality of smoke sensors. The smoke sensors are uniformly distributed in the cabin. The temperature sensor and the smoke sensor are provided with 3. 3 temperature sensors are connected in parallel and 3 smoke sensors are also connected in parallel. Any one temperature sensor or smoke sensor can trigger the alarm unit to give an alarm when detecting the fire. A plurality of temperature sensor and smoke transducer can be fine monitor cabin inside each condition, and then better fire prevention disaster in advance.

In this embodiment, the temperature sensor is a mechanical temperature sensor. The mechanical temperature sensor can monitor the temperature in the engine room under the condition of power failure, and further avoid the temperature monitoring failure caused by the power failure of the engine room due to fire.

In this embodiment, the fire extinguishing apparatus is provided with a plurality of fire extinguishing agent outlets. Several fire extinguisher outlets are distributed throughout the interior of the cabin. And each fire extinguisher outlet is correspondingly provided with a group of electromagnetic valves, temperature sensors and smoke sensors. The spraying area of the fire extinguisher outlet is the same as the monitoring positions of the corresponding temperature sensor and the smoke sensor.

During the use, certain region in temperature sensor and smoke transducer monitoring cabin, when the condition of a fire takes place in this region, the solenoid valve of the fire extinguishing agent export that this region corresponds is opened, and then makes the fire extinguishing agent export to the regional fire extinguishing agent that sprays that takes place the condition of a fire. This just makes extinguishing device can put out a fire to the position that takes place the condition of a fire, avoids all spouting the fire extinguishing agent waste that the fire extinguishing agent leads to in the whole cabin.

In this embodiment, the fire extinguishing apparatus is provided with a mechanical temperature sensitive switch. The mechanical temperature sensing switch can monitor the temperature without being electrified, and the fire extinguishing device is turned on when the temperature exceeds a threshold value. The opening temperature of the mechanical temperature sensing switch is 110 ℃. Even under the condition of power failure, if the temperature in the cabin reaches 110 ℃, the mechanical temperature sensing switch can also open the fire extinguishing device to extinguish fire in time.

In this embodiment, the control system further comprises a cabin control unit. The alarm module and the fire extinguishing device are both connected to the cabin control unit. When the temperature monitoring circuit and the smoke monitoring circuit both monitor the fire, the alarm module sends a main alarm signal to the cabin control unit. The cabin control unit is a PLC controller in a cabin control cabinet. After receiving the main alarm signal, the PLC controls a fire extinguishing device in the fan to start and extinguish fire.

After the fire extinguishing device is started, the PLC sends fire extinguishing device action feedback signals to a master control unit of the central control room.

The arrangement enables the cabin control unit to automatically open the fire extinguishing device according to the type of the alarm signal, and avoids the situation that the fire extinguishing device cannot be opened in time when the central control room is unattended.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fan cabin fire extinguishing system which characterized by: the fire extinguishing system comprises a fire extinguishing device, a temperature monitoring loop, a smoke monitoring loop, an alarm module and a master control unit; the temperature monitoring circuit and the smoke monitoring circuit respectively monitor the temperature and the smoke in the cabin and transmit the monitored data to the alarm module; the alarm module receives the data of the temperature monitoring circuit and the smoke monitoring circuit and sends an alarm signal to the master control unit according to the data; and the master control unit controls the fire extinguishing device according to the alarm signal.

2. The blower compartment fire fighting system of claim 1, wherein: the temperature monitoring device comprises a plurality of temperature sensors; the temperature sensors are uniformly distributed in the cabin; the smoke monitoring device comprises a plurality of smoke sensors; the smoke sensors are uniformly distributed in the cabin.

3. The blower compartment fire fighting system of claim 2, wherein: the temperature sensor is a mechanical temperature sensor.

4. The blower compartment fire fighting system of claim 3, wherein: the temperature sensor and the smoke sensor are respectively provided with 3.

5. The blower compartment fire fighting system of claim 2, wherein: the fire extinguishing device is provided with an electromagnetic valve for controlling the opening and closing of the fire extinguishing device; and the master control unit controls the on-off of the electromagnetic valve.

6. The blower compartment fire fighting system of claim 5, wherein: the fire extinguishing device is provided with a plurality of fire extinguishing agent outlets; a plurality of fire extinguisher outlets are distributed at each part inside the engine room; each fire extinguisher outlet is correspondingly provided with a group of electromagnetic valves, temperature sensors and smoke sensors; and the spraying area of the fire extinguisher outlet is the same as the monitoring positions of the corresponding temperature sensor and the corresponding smoke sensor.

7. The blower compartment fire fighting system of claim 5, wherein: the fire extinguishing device is provided with a mechanical temperature sensing switch; the opening temperature of the mechanical temperature sensing switch is 110 ℃.

8. The blower compartment fire fighting system of claim 1, wherein: the system also comprises a cabin control unit; the alarm module and the fire extinguishing device are both connected to the cabin control unit; and the cabin control unit controls the fire extinguishing device according to the alarm signal of the alarm unit.