Self-exhaust fan with smoke detection assembly
By integrating a smoke detection component and a self-powered system into the exhaust fan, the problem of the exhaust fan's inability to detect toxic gases and smoke in a timely manner is solved, realizing automatic alarm and ventilation, and improving safety and applicability.
Patent Information
- Application Number
- CN202520710256.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing exhaust fans lack a smoke detection structure, making it impossible to detect toxic gas or smoke leaks in a timely manner. This increases the risk of personal injury and fire spread. Furthermore, they rely on external power sources and cannot operate during power outages, thus limiting their applicability.
The design incorporates a self-ventilating fan with a smoke detection component, including a gas sensor and alarm, capable of detecting the concentration of toxic gases or smoke, automatically starting ventilation, and equipped with a self-powered system that stores energy through photovoltaic panels and batteries to achieve autonomous operation.
It enables timely alarms and automatic ventilation, reduces the risk of harm to personnel, enhances the applicability and operational stability of automatic exhaust fans, and eliminates dependence on external power sources.
Smart Images

Figure CN223908433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a self-arrangement fan technology field, concretely is a self-arrangement fan with flue gas detection component. BACKGROUND
[0002] Self-arrangement fan, by the rotation of the fan blade drive airflow, make indoor and outdoor air exchange a kind of air conditioning electrical appliance, also called self-arrangement fan, the purpose of exhaust is to remove the dirty air in room, adjust temperature, humidity and feeling effect, and is widely used in family and public place;
[0003] But the current market most self-arrangement fan generally does not have special flue gas detection structure, when toxic gas or flue gas leaks, cannot be perceived in time, until personnel discovers, often has caused serious harm, missed the best response opportunity, and cannot automatically ventilate, even if perceived toxic gas or flue gas, also need manual opening self-arrangement fan to ventilate, in the case of emergency, will greatly increase the risk of poisoning and fire spreading of personnel, cannot guarantee the safety of indoor personnel in time, and generally more dependent on external power supply, once power failure, cannot run, is more limited, and the scope of application is smaller. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a self-arrangement fan with flue gas detection component to solve the problem that the current market most self-arrangement fan generally does not have special flue gas detection structure, when toxic gas or flue gas leaks, cannot be perceived in time, until personnel discovers, often has caused serious harm, missed the best response opportunity, and cannot automatically ventilate, even if perceived toxic gas or flue gas, also need manual opening self-arrangement fan to ventilate, in the case of emergency, will greatly increase the risk of poisoning and fire spreading of personnel, cannot guarantee the safety of indoor personnel in time, and generally more dependent on external power supply, once power failure, cannot run, is more limited, and the scope of application is smaller.
[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a self-arrangement fan with flue gas detection component, including exhaust fan frame, the middle part of the top of exhaust fan frame is fixedly provided with filter screen, the periphery of the middle part of exhaust fan frame is all set up arc slot, the inner surface of arc slot is fixedly provided with heat dissipation structure, the four corners of the bottom end of exhaust fan frame are all screw-connected with fixed screw, the middle part of the bottom end of exhaust fan frame is fixedly connected with base frame, one side of base frame is fixedly connected with fan blade, the other side of base frame is fixedly connected with power supply structure, the end of power supply structure away from base frame is fixedly provided with flue gas detection structure.
[0006] Preferably, the heat dissipation structure comprises a plurality of uniformly distributed heat dissipation fins, a plurality of uniformly distributed guide grooves are formed on both sides of the heat dissipation fins, and the heat dissipation fins are made of metal matrix composite material; the heat dissipation structure is arranged at the four corners of the middle part of the exhaust fan frame, is made of metal matrix composite material, can quickly conduct the heat generated during the operation of the exhaust fan, effectively reduces the temperature of each component of the exhaust fan, avoids affecting the performance and service life due to overheating, improves the stability and reliability of the operation of the exhaust fan, the uniformly distributed guide grooves formed on both sides of the heat dissipation fins increase the surface area of the heat dissipation fins, which is conducive to the circulation of air between the heat dissipation fins, so that the air can more smoothly take away the heat, further enhancing the heat dissipation effect, and at the same time, the guide grooves can guide the direction of the air flow, making the heat dissipation more uniform and avoiding the occurrence of local overheating.
[0007] Preferably, the power supply structure comprises a battery block, a fireproof bin is fixedly arranged on the outer side of the battery block, a plurality of electric telescopic rods are fixedly connected around the fireproof bin, a small photovoltaic panel is rotatably connected to the output end of each electric telescopic rod, one end of each small photovoltaic panel away from the electric telescopic rod is fixedly connected to one side of the top end of the exhaust fan frame, and the surface of each small photovoltaic panel is covered with an anti-reflection coating; the fireproof bin can effectively prevent the spread of combustion or explosion caused by the battery under abnormal conditions, avoid causing greater damage to the surrounding environment and equipment, and improve the safety of the entire self-exhaust fan system; the small photovoltaic panel can convert solar energy into electrical energy and store it in the battery block, so that the self-exhaust fan has self-power supply capability, greatly expanding the application range of the self-exhaust fan, and the anti-reflection coating on the surface can reduce the reflection loss of light on the surface of the photovoltaic panel, increase the light absorption rate, improve the photoelectric conversion efficiency, and thus improve the power generation capacity of the entire power supply system, providing more stable and sufficient power support for the self-exhaust fan.
[0008] Preferably, the smoke detection structure comprises a gas sensor, a spherical cover is fixedly arranged at the top end of the gas sensor, an alarm is fixedly connected to the bottom end of the gas sensor, and the bottom end of the alarm is fixedly connected to the top end of the fireproof bin; as the core component, the gas sensor can sensitively perceive the concentration change of toxic gas or smoke in the surrounding environment, and once the gas sensor detects that the concentration of toxic gas or smoke exceeds the safety threshold, the alarm connected thereto will immediately sound an alarm, allowing people to know the danger in the first time and take measures, thereby effectively avoiding serious consequences such as poisoning and fire expansion caused by failure to detect in time; on the one hand, the spherical cover can protect the internal structure of the gas sensor from physical damage from the outside, and on the other hand, the design of the spherical cover helps to uniformly collect the surrounding gas, so that the sensor can more comprehensively and accurately detect the gas concentration, improving the reliability of detection.
[0009] Preferably, one side of the electric telescopic rod is in sliding connection with the bottom surface of the exhaust fan frame, and one side of the exhaust fan frame is in contact connection with one side of the small photovoltaic panel; the small photovoltaic panel can adjust the direction in real time according to the position change of the sun, and is perpendicular to the sunlight as much as possible, so that the collection efficiency of solar energy is improved, the photovoltaic panel is always in the best light receiving angle, the power generation is increased, and the self-power supply capacity of the self-exhaust fan is ensured.
[0010] Preferably, the exhaust fan frame is made of aluminum alloy material, and the surface of the exhaust fan frame is covered with an inorganic fireproof coating; the aluminum alloy material has high strength and hardness, can better withstand the vibration and external force impact generated during the operation of the self-exhaust fan compared with some ordinary metal materials, and has good heat conduction performance, which helps to quickly conduct the heat generated during the operation of the self-exhaust fan, can resist fire and high temperature, effectively reduces the overall temperature of the self-exhaust fan, avoids performance degradation or component damage caused by overheating, improves the working efficiency and stability of the self-exhaust fan, and the inorganic fireproof coating can form a high-temperature-resistant heat insulation layer on the surface of the exhaust fan frame, plays a fireproof and flame-retardant role, and ensures that the self-exhaust fan can continue to operate for a period of time in dangerous situations.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The self-exhaust fan with the flue gas detection assembly is provided with a special flue gas detection structure, which can issue an alarm when detecting that the concentration of toxic gas or flue gas in the surrounding environment exceeds a safety threshold, timely and effectively reminding the surrounding personnel, thereby avoiding potential dangers caused by failure to timely detect toxic gas or flue gas, and automatically triggering the self-exhaust fan to start working, so that ventilation and air exchange operations can be quickly and efficiently performed, and toxic gas or flue gas in the room can be quickly discharged to the outside, thereby significantly reducing the concentration of harmful gas in the room and providing solid protection for the life safety of personnel.
[0013] The power supply structure enables the self-exhaust fan to have self-power supply capacity, the small photovoltaic panel continuously charges the battery when the sunlight is sufficient during the day, and the stored electric energy of the battery block can maintain the normal operation of the self-exhaust fan even at night or on cloudy days, and the electric telescopic rod can flexibly adjust the angle of the small photovoltaic panel to fully capture solar energy, thereby breaking the excessive dependence on external power supply and ensuring uninterrupted detection and ventilation functions. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the self-exhaust fan with the flue gas detection assembly of the utility model;
[0015] Figure 2 It is a structural schematic view of the self-exhaust fan of the utility model;
[0016] Figure 3 It is a partial sectional view of the self-exhaust fan of the utility model;
[0017] Figure 4 It is structural schematic view of exhaust fan frame of the utility model;
[0018] Figure 5 It is structural schematic view of heat dissipation structure of the utility model;
[0019] Figure 6 It is structural schematic view of flue gas detection structure of the utility model.
[0020] In the drawing: 1, exhaust fan frame;2, filter screen;3, arc-shaped groove;4, fixed screw;5, bottom frame;6, fan blade;7, heat sink;8, guide groove;9, battery block;10, fire-retardant bin;11, electric telescopic rod;12, small photovoltaic panel;13, gas sensor;14, spherical cover;15, alarm. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0022] Please refer to Figures 1-6 The utility model provides a kind of self-arrangement fan with flue gas detection component, including exhaust fan frame 1, the middle part of the top of exhaust fan frame 1 is fixedly provided with filter screen 2, the periphery of the middle part of exhaust fan frame 1 is all provided with arc-shaped groove 3, the inner surface of arc-shaped groove 3 is fixedly provided with heat dissipation structure, the four corners of the bottom end of exhaust fan frame 1 are all screw-connected with fixed screw 4, the middle part of the bottom end of exhaust fan frame 1 is fixedly connected with bottom frame 5, one side of bottom frame 5 is fixedly connected with fan blade 6, the other side of bottom frame 5 is fixedly connected with power supply structure, and flue gas detection structure is fixedly provided at the end of power supply structure away from bottom frame 5.
[0023] Further, heat dissipation structure includes several evenly distributed heat sinks 7, the two sides of several heat sinks 7 are all provided with several evenly distributed guide grooves 8, and several heat sinks 7 all adopt metal-based composite material;
[0024] When using, the guide groove 8 of the two sides of heat sink 7 is evenly distributed on one hand increases the surface area of heat sink 7, on the other hand plays a guiding role to air flow, and heat sink 7 and guide groove 8 cooperate with each other, so that the heat generated by self-arrangement fan can be quickly absorbed and dissipated to the surrounding environment, thereby realizing the effect of fire resistance and high temperature resistance.
[0025] Further, the power supply structure includes a battery block 9, the outer side of the battery block 9 is fixedly provided with a fireproof bin 10, the periphery of the fireproof bin 10 is fixedly connected with a plurality of electric telescopic rods 11, the output ends of the plurality of electric telescopic rods 11 are all rotatably connected with small photovoltaic panels 12, the ends of the plurality of small photovoltaic panels 12 away from the electric telescopic rods 11 are respectively fixedly connected with one side of the top end of the exhaust fan frame 1, and the surfaces of the plurality of small photovoltaic panels 12 are all covered with an anti-reflection coating;
[0026] In use, the position of the sun changes constantly in a day, the electric telescopic rod 11 drives the small photovoltaic panel 12 to rotate, so that the small photovoltaic panel 12 always maintains an angle close to vertical with sunlight, ensuring that the small photovoltaic panel 12 can receive the maximum intensity of light, further improving the collection efficiency of solar energy, and the battery block 9 serves as an energy storage device, storing excess electrical energy for subsequent use.
[0027] Further, the smoke detection structure includes a gas sensor 13, the top end of the gas sensor 13 is fixedly provided with a spherical cover 14, the bottom end of the gas sensor 13 is fixedly connected with an alarm 15, and the bottom end of the alarm 15 is fixedly connected with the top end of the fireproof bin 10.
[0028] In use, when the gas sensor 13 detects that the concentration of toxic and harmful gases or the concentration of smoke in the environment exceeds the pre-set safety threshold, it quickly sends a signal to the alarm 15 connected thereto, and the alarm 15 emits a loud sound alarm to attract the attention of the surrounding people.
[0029] Further, one side of the electric telescopic rod 11 is slidably connected with the bottom surface of the exhaust fan frame 1, and one side of the exhaust fan frame 1 is in contact with one side of the small photovoltaic panel 12.
[0030] In use, the electric telescopic rod 11 can adjust the orientation of the small photovoltaic panel 12 in real time according to the azimuth and altitude of the sun, and when the small photovoltaic panel 12 is not needed, the electric telescopic rod 11 is retracted inward, so that the small photovoltaic panel 12 is retracted and attached to one side of the exhaust fan frame 1 for storage, which is neat and beautiful.
[0031] Further, the exhaust fan frame 1 is made of aluminum alloy, and the surface of the exhaust fan frame 1 is covered with an inorganic fireproof coating.
[0032] In use, in the event of an emergency such as a fire, the inorganic fireproof coating forms a high-temperature-resistant heat insulation layer on the surface of the exhaust fan frame 1, effectively preventing the spread of flames and high temperature to the inside of the exhaust fan.
[0033] The embodiment of the application is used as follows: the self-ventilating fan is installed at the required position through the fixing screws 4 at the four corners of the bottom end of the ventilating fan frame 1; the electric telescopic rod 11 can adjust the angle of the small photovoltaic panel 12 according to the change of the position of the sun, so that the small photovoltaic panel 12 is perpendicular to the sunlight as far as possible to obtain the maximum light intensity, thereby improving the power generation capacity; the generated electric energy is stored in the battery block 9 to provide power support for the operation of the self-ventilating fan; when the gas sensor 13 detects that the concentration of the toxic gas or the flue gas exceeds the safety threshold, a signal is immediately transmitted to the alarm 15; the alarm 15 emits a loud alarm sound, and at the same time, the fan blades 6 on one side of the bottom frame 5 start to rotate, so that the self-ventilating fan can continuously operate in the critical situation, the toxic gas or the flue gas in the room is quickly discharged to the outside, and self-ventilation is realized.
[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A self-ventilating fan with a smoke detection component, comprising a fan frame (1), characterized in that: A filter screen (2) is fixedly installed at the middle of the top of the exhaust fan frame (1). Arc grooves (3) are opened around the middle of the exhaust fan frame (1). A heat dissipation structure is fixedly installed on the inner surface of the arc grooves (3). Fixing screws (4) are threaded to the four corners of the bottom of the exhaust fan frame (1). A base frame (5) is fixedly connected to the middle of the bottom of the exhaust fan frame (1). A fan blade (6) is fixedly connected to one side of the base frame (5). A power supply structure is fixedly connected to the other side of the base frame (5). A flue gas detection structure is fixedly installed at the end of the power supply structure away from the base frame (5).
2. The self-exhausting fan with a smoke detection component according to claim 1, characterized in that: The heat dissipation structure includes several uniformly distributed heat sinks (7), and several uniformly distributed guide grooves (8) are provided on both sides of the heat sinks (7), and the heat sinks (7) are all made of metal-based composite material.
3. A self-exhausting fan with a smoke detection component according to claim 1, characterized in that: The power supply structure includes a battery block (9), a flame-retardant chamber (10) is fixedly installed on the outside of the battery block (9), and electric telescopic rods (11) are fixedly connected around the flame-retardant chamber (10). Small photovoltaic panels (12) are rotatably connected to the output ends of several electric telescopic rods (11). The ends of several small photovoltaic panels (12) away from the electric telescopic rods (11) are respectively fixedly connected to one side of the top of the exhaust fan frame (1), and the surfaces of several small photovoltaic panels (12) are covered with an anti-reflection coating.
4. A self-exhausting fan with a smoke detection component according to claim 1, characterized in that: The flue gas detection structure includes a gas sensor (13), a spherical cover (14) is fixedly installed on the top of the gas sensor (13), an alarm (15) is fixedly connected to the bottom of the gas sensor (13), and the bottom of the alarm (15) is fixedly connected to the top of the flame retardant chamber (10).
5. A self-exhausting fan with a smoke detection component according to claim 3, characterized in that: One side of the electric telescopic rod (11) is slidably connected to the bottom surface of the exhaust fan frame (1), and one side of the exhaust fan frame (1) is in contact with one side of the small photovoltaic panel (12).
6. A self-exhausting fan with a smoke detection component according to claim 1, characterized in that: The exhaust fan frame (1) is made of aluminum alloy and the surface of the exhaust fan frame (1) is covered with an inorganic fireproof coating.