Fan fire extinguishing system and wind power generation device

Abstract

The utility model discloses a fan fire extinguishing system and wind power generation device, including detection module, fan module, fire extinguishing module and linkage component, detection module includes smog sensor and flame sensor, smog sensor is used for detecting smog concentration signal, flame sensor is used for detecting flame signal, and the linkage component is used for the linkage component. The flame signal is used for representing whether flames exist or not, the fan module is in communication connection with the detection module, the fan module adjusts the wind speed according to the smoke concentration signal, the fire extinguishing module is in communication connection with the detection module, and the fire extinguishing module is triggered to start fire extinguishing according to the flame signal. The linkage assembly is connected with the fire extinguishing module and the fan module, the linkage assembly is used for controlling the fan module to stop running when the fire extinguishing module starts to extinguish fire, according to the design, starting and stopping running of the fan module and the fire extinguishing module are reasonably controlled, the fire probability is reduced, and the fire extinguishing effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire control technical field, especially a fan fire extinguishing system and wind power generation device. BACKGROUND

[0002] The existing electrical device usually installs a fan on the cabin of the electrical device, the fan runs to blow and heat the cabin where the power equipment is placed under the normal operation of the electrical device, when the power equipment fails, the power equipment that fails will produce smoke first, the temperature in the cabin rises, and the smoke may also affect other power equipment to fail, when the power equipment has a fire risk, the fire extinguishing device will be triggered to spray dry powder, water, carbon dioxide and the like to extinguish the fire, but the fan continues to run to continuously supply oxygen to the cabin, which may worsen the fire. SUMMARY

[0003] The utility model aims at least to solve one of the technical problems in the prior art. Therefore, the utility model provides a fan fire extinguishing system and wind power generation device, which reasonably controls the start and stop operation of the fan module and the fire extinguishing module, reduces the fire probability and ensures the fire extinguishing effect.

[0004] According to the fan fire extinguishing system of the first aspect embodiment of the utility model, the detection module includes a smoke sensor and a flame sensor, the smoke sensor is used for detecting a smoke concentration signal, the flame sensor is used for detecting a flame signal, and the flame signal is used for indicating whether there is a flame; the fan module is in communication connection with the detection module, and the fan module adjusts the wind speed according to the smoke concentration signal; the fire extinguishing module is in communication connection with the detection module, and the fire extinguishing module triggers and starts the fire extinguishing according to the flame signal; the linkage assembly is connected with the fire extinguishing module and the fan module respectively, and the linkage assembly is used for controlling the fan module to stop running when the fire extinguishing module starts the fire extinguishing.

[0005] According to the fan fire extinguishing system of the utility model embodiment, at least the following beneficial effects are obtained:

[0006] The utility model discloses a fan fire extinguishing system can be settled in the cabin to monitor the operation of the equipment inside the cabin, when there is a fire risk, the equipment that fails will produce smoke first, the smoke concentration in the cabin will increase, and the smoke sensor detects the increase of smoke concentration, can control fan module to start or increase the wind speed, thereby in time the smoke in the cabin is discharged and continues to cool down inside the cabin, reduces the possibility of fire as far as possible, also can prevent the influence of smoke to other equipment and lead to other equipment failure together, when the fire situation cannot be avoided, the equipment that fails catches fire, and the flame sensor detects the flame signal, triggers the fire extinguishing module to start and extinguishes the fire, and the linkage assembly controls the fan module to stop running when the fire extinguishing module starts, prevents providing oxygen in the cabin and helps the fire, and the design controls the start and stop operation of fan module and fire extinguishing module reasonably, reduces the fire probability and guarantees the fire extinguishing effect.

[0007] According to some embodiments of the utility model, the fan fire extinguishing system further includes a power supply bus, the power supply bus is connected with the fan module and the fire extinguishing module for power supply, the detection module further includes a carrier wave modulation module and a first processing module, the first processing module is connected with the smoke sensor, the flame sensor and the controlled end of the carrier wave modulation module, and the output end of the carrier wave modulation module is connected with the power supply bus.

[0008] According to some embodiments of the utility model, the linkage assembly includes a first switch, a second switch and a linkage piece, the switch state of the first switch and the second switch is opposite, the power supply bus is connected with the fan module through the first switch, the power supply bus is connected with the fire extinguishing module through the second switch, and the linkage piece is connected with the first switch and the second switch.

[0009] According to some embodiments of the utility model, the linkage assembly includes at least a first on-off state, a second on-off state and a third on-off state, in the first on-off state, the first switch and the second switch are disconnected, in the second on-off state, the first switch is connected, and the second switch is disconnected, and in the third on-off state, the first switch is disconnected, and the second switch is connected.

[0010] According to some embodiments of the utility model, fan module group includes fan drive piece, second processing module and first demodulation module, the power supply bus with second processing module is connected to power supply for second processing module, first demodulation module is connected with power supply bus and second processing module respectively to obtain power carrier signal and provide after demodulation to second processing module, the power supply bus is connected with fan drive piece through first switch to power supply for fan drive piece, second processing module is connected with first switch to control first switch on-off.

[0011] According to some embodiments of the utility model, extinguishing module group includes fire extinguishing device, third processing module and second demodulation module, the power supply bus with third processing module is connected to power supply for third processing module, second demodulation module is connected with power supply bus and third processing module respectively to obtain power carrier signal and provide after demodulation to third processing module, the power supply bus is connected with fire extinguishing device through second switch to power supply for fire extinguishing device, third processing module is connected with second switch to control second switch on-off.

[0012] According to some embodiments of the utility model, carrier modulation module includes the switch tube Q6 of semiconductor and diode D7, the negative pole of diode D7 is connected with the first phase bus of power supply bus, the positive pole of diode D7 is connected with the second phase bus of power supply bus and the input end of switch tube Q6 respectively, the output end of switch tube Q6 is connected, first processing module is connected with the controlled end of switch tube Q6.

[0013] According to some embodiments of the utility model, carrier modulation module further includes photoelectric coupler, first processing module is connected with the light emitting piece of photoelectric coupler, the light receiving piece of photoelectric coupler is connected with the controlled end of switch tube Q6 to make first processing module be connected with the controlled end of switch tube Q6 through photoelectric coupler.

[0014] The wind power generation device according to the second aspect of the utility model has the fan fire extinguishing system disclosed in any one of the above embodiments.

[0015] The wind power generation device according to the utility model has at least the following beneficial effects:

[0016] The wind power generation device according to the utility model has the fan fire extinguishing system disclosed in any one of the above embodiments, which can reasonably control the start and stop of the fan module group and the extinguishing module group, reduce the probability of fire and ensure the extinguishing effect.

[0017] According to some embodiments of the utility model, the wind power generation device includes a cabin body and an electric power equipment, a containing cavity is arranged in the cabin body, the electric power equipment is arranged in the cabin body and is located in the containing cavity, the detection module and the fire extinguishing module are arranged in the containing cavity, and the fan module is arranged in the cabin body to blow air and dissipate heat for the containing cavity.

[0018] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0020] Figure 1 It is a principle structure block diagram of one embodiment of the utility model fan fire extinguishing system;

[0021] Figure 2 It is a circuit schematic diagram of the first processing module of one embodiment of the utility model fan fire extinguishing system;

[0022] Figure 3 It is a circuit schematic diagram of the carrier wave modulation module of one embodiment of the utility model fan fire extinguishing system;

[0023] Figure 4 It is a circuit schematic diagram of the linkage assembly of one embodiment of the utility model fan fire extinguishing system.

[0024] REFERENCE NUMERALS

[0025] Detection module 100;Smoke sensor 110;Flame sensor 120;Carrier wave modulation module 130;First processing module 140;Photoelectric coupler 150;Fan module 200;Fan drive 210;Second processing module 220;First demodulation module 230;Fire extinguishing module 300;Fire extinguishing device 310;Third processing module 320;Second demodulation module 330;Linkage assembly 400;First switch 410;Second switch 420;Linkage 430;Power supply bus 500. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0027] In the description of the utility model, need understanding, if relate to the direction description, for example the term "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on the direction or position relation indicated is based on the direction or position relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not the indication or the implication of the device or the element indicated must have the specific direction, constructs and operates with the specific direction, therefore can not be understood as the restriction of the utility model.

[0028] In the description of the utility model, several meanings are one or more, and multiple meanings are more than two, greater than, less than, more than, etc. are not included in the number, and above, below, etc. are included in the number. If the first, second is described, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, it needs to be explained that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] As shown in Figures 1-4 The utility model discloses a fan fire extinguishing system, including detection module 100, fan module 200, fire extinguishing module 300 and linkage assembly 400, detection module 100 includes smoke sensor 110 and flame sensor 120, smoke sensor 110 is used to detect smoke concentration signal, flame sensor 120 is used to detect flame signal, flame signal is used to show whether there is flame, fan module 200 is connected with detection module 100, and fan module 200 adjusts wind speed according to smoke concentration signal, fire extinguishing module 300 is connected with detection module 100, and fire extinguishing module 300 triggers and starts fire extinguishing according to flame signal, linkage assembly 400 is connected with fire extinguishing module 300 and fan module 200 respectively, and linkage assembly 400 is used to control fan module 200 to stop running when fire extinguishing module 300 starts fire extinguishing.

[0031] The smoke sensor 110 can be a conventional PM2.5 smoke sensor 110 or the like, and the flame sensor 120 can be a flame ionization sensor or the like, and both the smoke sensor 110 and the flame sensor 120 can convert a detection signal into an electrical signal and output the same.

[0032] The fan fire extinguishing system can be arranged in the cabin to monitor the operation of the equipment in the cabin, and when there is a risk of fire, the malfunctioning equipment will first generate smoke, the smoke concentration in the cabin will increase, the smoke sensor 110 detects the increase in smoke concentration, and the fan module 200 can be controlled to start or increase the wind speed, so as to timely discharge the smoke in the cabin and continue to cool the cabin, thereby reducing the possibility of fire as much as possible, and preventing the smoke from affecting other equipment to cause other equipment to malfunction together, when the fire cannot be avoided, the malfunctioning equipment catches fire, the flame sensor 120 detects the flame signal, triggers the fire extinguishing module 300 to start fire extinguishing, and the linkage assembly 400 controls the fan module 200 to stop running when the fire extinguishing module 300 starts, thereby preventing oxygen from being provided to the cabin to aggravate the fire. The design reasonably controls the start and stop of the fan module 200 and the fire extinguishing module 300, reduces the probability of fire and ensures the fire extinguishing effect.

[0033] In some embodiments of the utility model, as shown in Figure 3 、 4 The fan fire extinguishing system further comprises a power supply bus 500 connected to the fan module 200 and the fire extinguishing module 300 for power supply, and the detection module 100 further comprises a carrier wave modulation module 130 and a first processing module 140, the first processing module 140 is connected to the smoke sensor 110, the flame sensor 120 and the controlled end of the carrier wave modulation module 130, and the output end of the carrier wave modulation module 130 is connected to the power supply bus 500.

[0034] The first processing module 140 can adopt an MCU, a CPU or a chip with processing capability and its accessory circuit as shown in Figure 2 The first processing module 140 can receive the smoke concentration signal and the flame signal output by the smoke sensor 110 and the flame sensor 120 respectively, modulate the power signal transmitted on the power supply bus 500 by the first carrier wave modulation module 130 to form a power carrier wave signal according to the smoke concentration signal and the flame signal, and transmit the power carrier wave signal on the power supply bus 500 to control the fan module 200 and the fire extinguishing module 300 while supplying power to the fan module 200 and the fire extinguishing module 300.

[0035] Specifically, as shown in Figure 3As shown, the carrier wave modulation module 130 comprises a semiconductor switch Q6 and a diode D7, the negative electrode of the diode D7 is connected with the first phase bus of the power supply bus 500, the positive electrode of the diode D7 is connected with the second phase bus of the power supply bus 500 and the input end of the switch Q6 respectively, the output end of the switch Q6 is connected, and the first processing module 140 is connected with the controlled end of the switch Q6.

[0036] The switch Q6 can be a triode, a MOS tube or an IGBT, the first processing module 140 controls the on-off of the switch Q6, thereby modulating the power signal and superimposing the signal representing the smoke concentration and the flame on the power signal for transmission.

[0037] In some embodiments of the utility model, the carrier wave modulation module 130 further comprises an optoelectronic coupler 150, the first processing module 140 is connected with the light emitting part of the optoelectronic coupler 150, and the light receiving part of the optoelectronic coupler 150 is connected with the controlled end of the switch Q6 so that the first processing module 140 is connected with the controlled end of the switch Q6 through the optoelectronic coupler 150, and the optoelectronic coupler 150 can isolate signals and prevent interference signals on the power supply bus 500 from invading the first processing module 140, resulting in control disorder or damage of the first processing module 140.

[0038] In some embodiments of the utility model, as shown in Figure 4 As shown, the linkage assembly 400 comprises a first switch 410, a second switch 420 and a linkage 430, the switch states of the first switch 410 and the second switch 420 are opposite, the power supply bus 500 is connected with the fan module 200 through the first switch 410, the power supply bus 500 is connected with the fire extinguishing module 300 through the second switch 420, the linkage 430 is connected with the first switch 410 and the second switch 420 respectively, and the linkage 430 is used to drive the first switch 410 to be disconnected when the second switch 420 is closed.

[0039] When the second switch 420 is disconnected, the linkage 430 can allow the first switch 410 to be closed or disconnected, and the electric energy transmitted by the power supply bus 500 normally powers the fan module 200, but when the second switch 420 is closed, the linkage 430 drives the first switch 410 to be disconnected, and the power supply bus 500 no longer powers the fan module 200, so that the fan module 200 stops running, and when the second switch 420 is closed, the power supply bus 500 can power the fire extinguishing module 300, so that the fire extinguishing module 300 can start running.

[0040] Specifically, the first switch 410 and the second switch 420 can be semiconductor switch elements such as triodes, MOS tubes, or relay switches, and the linkage 430 can be an electric control module composed of logic gates and other electronic elements. After the second switch 420 is closed, the linkage 430 can pull down the voltage of the controlled end of the first switch 410 or form a trigger signal to the driving component controlling the first switch 410, triggering the first switch 410 to be opened. The closing of the first switch 410 does not affect the on-off of the second switch 420.

[0041] The linkage 430 can also be a mechanical spring, and the first switch 410 and the second switch 420 are mechanical switches. The mechanical spring is linked with the shutter of the second switch 420. After the second switch 420 is closed, the mechanical spring is driven by the shutter of the second switch 420 to drive the first switch 410 to be opened.

[0042] Specifically, the linkage assembly 400 includes at least a first on-off state, a second on-off state, and a third on-off state. In the first on-off state, the first switch 410 and the second switch 420 are both opened. In the second on-off state, the first switch 410 is closed and the second switch 420 is opened. In the third on-off state, the first switch 410 is opened and the second switch 420 is closed.

[0043] The closing or opening of the first switch 410 does not affect the on-off state of the second switch 420, so that the fan module 200 can be normally started or closed, and the starting of the fire extinguishing module 300 is not triggered. However, when the second switch 420 is closed, the first switch 410 is driven to be opened, that is, when the fire extinguishing module 300 is started, the fan module 200 must be closed to ensure the extinguishing effect.

[0044] In some embodiments of the utility model, the fan module 200 includes a fan driving element 210, a second processing module 220, and a first demodulation module 230. The power supply bus 500 is connected with the second processing module 220 to supply power for the second processing module 220. The first demodulation module 230 is connected with the power supply bus 500 and the second processing module 220 to obtain power carrier signals and provide demodulated signals to the second processing module 220. The power supply bus 500 is connected with the fan driving element 210 through the first switch 410 to supply power for the fan driving element 210. The second processing module 220 is connected with the first switch 410 to control the on-off of the first switch 410.

[0045] The fan driving element 210 can be an electric motor or the like, the second processing module 220 can adopt an MCU, a CPU or a processing chip like the first processing module 140 and its accessory circuit, the first demodulation module 230 can be selected from a conventional carrier demodulation chip and its accessory circuit, the power carrier signal of the power bus 500 is provided to the second processing module 220 after being acquired and demodulated by the first demodulation module 230, the electric energy transmitted by the power bus 500 can be directly input to the second processing module 220 or can be provided to the second processing module 220 through the first demodulation module 230, the second processing module 220 obtains a smoke concentration signal through the power carrier signal, and the second processing module 220 controls the first switch 410 to be closed or opened according to the smoke concentration signal, specifically, the first switch 410 can also have a plurality of different resistances in series, and then be connected with the fan driving element 210, and the second processing module 220 controls different first switches 410 to be closed, so as to adjust the rotating speed of the fan driving element 210.

[0046] In some embodiments of the utility model, the fire extinguishing module 300 includes a fire extinguishing device 310, a third processing module 320 and a second demodulation module 330, the power bus 500 is connected with the third processing module 320 to supply power for the third processing module 320, the second demodulation module 330 is connected with the power bus 500 and the third processing module 320 respectively to acquire the power carrier signal and provide it to the third processing module 320 after demodulation, the power bus 500 is connected with the fire extinguishing device 310 through the second switch 420 to supply power for the fire extinguishing device 310, and the third processing module 320 is connected with the second switch 420 to control the on-off of the second switch.

[0047] The fire extinguishing device 310 can be a dry powder fire extinguisher, a carbon dioxide fire extinguisher, a water spraying device, a nitrogen fire extinguisher or the like triggered by an electric signal, the third processing module 320 can adopt an MCU, a CPU or a processing chip like the first processing module 140 and its accessory circuit, the second demodulation module 330 can be selected from a conventional carrier demodulation chip and its accessory circuit, the power carrier signal of the power bus 500 is provided to the third processing module 320 after being acquired and demodulated by the second demodulation module 330, the electric energy transmitted by the power bus 500 can be directly input to the third processing module 320 or can be provided to the third processing module 320 through the second demodulation module 330, the third processing module 320 obtains a flame signal through the power carrier signal, and the third processing module 320 controls the second switch 420 to be closed or opened according to the flame signal.

[0048] The wind power generation device according to the second aspect of the utility model comprises the fan fire extinguishing system disclosed in any one of the above embodiments.

[0049] The wind power generation device applies the fan fire-fighting system disclosed in any of the above embodiments, can reasonably control the start-stop operation of the fan module 200 and the fire extinguishing module 300, reduce the fire probability and guarantee the fire extinguishing effect.

[0050] In some embodiments of the utility model, the wind power generation device includes a cabin body and an electric power equipment, a containing cavity is arranged in the cabin body, the electric power equipment is arranged in the cabin body and located in the containing cavity, the detection module 100 and the fire extinguishing module 300 are arranged in the containing cavity, and the fan module 200 is arranged in the cabin body to blow and radiate heat to the containing cavity.

[0051] The technical features of the above-mentioned embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0052] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A fan fire extinguishing system, characterized in that The application relates to a smoke and flame detection and extinguishing system. The system comprises a detection module, a fan module, an extinguishing module and a linkage assembly. The detection module comprises a smoke sensor for detecting a smoke concentration signal and a flame sensor for detecting a flame signal. The fan module is connected with the detection module and adjusts the fan speed according to the smoke concentration signal. The extinguishing module is connected with the detection module and triggers the extinguishing according to the flame signal.

2. A fan fire extinguishing system according to claim 1, wherein, The linkage assembly is connected with the extinguishing module and the fan module and controls the fan module to stop running when the extinguishing module triggers the extinguishing.

3. A fan fire extinguishing system according to claim 2, wherein, The system further comprises a power supply bus connected with the fan module and the extinguishing module for power supply.

4. A fan fire extinguishing system according to claim 3, wherein, The detection module further comprises a carrier wave modulation module and a first processing module.

5. A fan fire extinguishing system according to claim 3, wherein, The first processing module is connected with the smoke sensor, the flame sensor and the controlled end of the carrier wave modulation module.

6. A fan fire extinguishing system according to claim 3, wherein, The linkage assembly comprises a first switch, a second switch and a linkage member. The linkage member drives the first switch to be disconnected when the second switch is connected. The linkage assembly comprises a first on-off state, a second on-off state and a third on-off state. The fan module comprises a fan driving member, a second processing module and a first demodulation module. The power supply bus is connected with the second processing module for power supply. The first demodulation module is connected with the power supply bus and the second processing module to obtain a power carrier wave signal and provide the signal to the second processing module after demodulation. The power supply bus is connected with the fan driving member through the first switch for power supply. The second processing module is connected with the first switch to control the first switch. The extinguishing module comprises an extinguishing device, a third processing module and a second demodulation module. The power supply bus is connected with the third processing module for power supply. The second demodulation module is connected with the power supply bus and the third processing module to obtain a power carrier wave signal and provide the signal to the third processing module after demodulation. The power supply bus is connected with the extinguishing device through the second switch for power supply. The third processing module is connected with the second switch to control the second switch.

7. A fan fire extinguishing system according to claim 2, wherein The carrier wave modulation module comprises a semiconductor switch Q6 and a diode D7, the negative electrode of the diode D7 is connected with the first phase bus of the power supply bus, the positive electrode of the diode D7 is connected with the second phase bus of the power supply bus and the input end of the switch Q6 respectively, the output end of the switch Q6 is connected, and the first processing module is connected with the controlled end of the switch Q6.

8. A fan fire extinguishing system according to claim 7, wherein, The carrier wave modulation module further comprises an optoelectronic coupler, the first processing module is connected with the light emitting part of the optoelectronic coupler, and the light receiving part of the optoelectronic coupler is connected with the controlled end of the switch Q6 so that the first processing module is connected with the controlled end of the switch Q6 through the optoelectronic coupler.

9. A wind power plant, characterized in that The fan fire extinguishing system comprises the fan fire extinguishing system according to any one of claims 1-8.

10. A wind power plant according to claim 9, characterised in that The cabin is provided with a cavity, the power equipment is arranged in the cabin and located in the cavity, the detection module and the fire extinguishing module are arranged in the cavity, and the fan module is arranged in the cabin to blow and dissipate heat for the cavity.

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