CN215860916U - Automatic start-up air discharge fan - Google Patents
Automatic start-up air discharge fan Download PDFInfo
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- CN215860916U CN215860916U CN202121149412.3U CN202121149412U CN215860916U CN 215860916 U CN215860916 U CN 215860916U CN 202121149412 U CN202121149412 U CN 202121149412U CN 215860916 U CN215860916 U CN 215860916U
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- pipeline
- air inlet
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- door
- fixing structure
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- 238000001514 detection method Methods 0.000 claims description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims 4
- 239000003990 capacitor Substances 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 7
- 230000000087 stabilizing effect Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Abstract
The utility model discloses an automatic starting exhaust fan, which comprises a fan, wherein the fan is provided with an air inlet end and an air outlet end; the fan is arranged in the pipeline; the pipeline door is arranged at the air outlet end and is rotatably fixed on the pipeline; and the elastic element is fixed on the pipeline door, the elastic element is restored when the pipeline door is closed, and the elastic element is elastically deformed when the pipeline door is opened.
Description
Technical Field
The utility model relates to the field of exhaust fans, in particular to an automatic starting exhaust fan.
Background
At present, most exhaust fans in the market are large in size and occupy space; and when the exhaust fan is closed, sundries are easy to enter the ventilation pipeline, and the ventilation pipeline is blocked due to excessive accumulation, so that the exhaust fan cannot work normally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least solve one technical problem in the prior art, and therefore the utility model provides an automatic starting exhaust fan.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
according to an embodiment of a first aspect of the present invention, an automatically activated exhaust fan comprises: the fan is provided with an air inlet end and an air outlet end; the fan is arranged in the pipeline; the at least one pipeline door is arranged at the air outlet end and is rotatably fixed on the pipeline; the elastic element is fixed on the at least one pipeline door or the pipeline, the elastic element restores when the pipeline door is closed, and the elastic element elastically deforms when the pipeline door is opened.
The automatic starting exhaust fan provided by the embodiment of the utility model at least has the following beneficial effects: the air outlet is equipped with the pipeline door, and the air discharge fan during operation, the pipeline door is opened, and when the air discharge fan was closed, the pipeline door was closed, avoided external debris to get into the air discharge fan pipeline, and the air discharge fan is small, the installation of being convenient for.
According to some embodiments of the utility model, the duct door comprises a first duct door and a second duct door, the first duct door and the second duct door closing the duct, the first duct door and the second duct door fixing a strip on a side close to each other, the duct door being rotatably fixed to the duct by the strip; the elastic element is a torsion spring which is rotatably fixed in one of the strips.
According to some embodiments of the utility model, the first duct door is provided with a first fixing structure, the second duct door is provided with a second fixing structure, and both ends of the torsion spring are fixed to the first fixing structure and the second fixing structure, respectively.
According to some embodiments of the utility model, the air inlet assembly is arranged in the air inlet assembly, the air inlet assembly is communicated with the pipeline, and the air inlet end is close to the air inlet.
According to some embodiments of the utility model, the air intake assembly comprises a third fixing structure, the third fixing structure is provided with at least two first fixing feet, the third fixing structure is arranged on the air inlet and is connected with the air intake assembly through at least two first fixing feet; the fan comprises an axle center part, and the third fixing structure is used for fixing the axle center part.
According to some embodiments of the utility model, the pipe comprises a first fixing structure fixed to the outer side of the pipe for fixing the pipe by the first fixing structure.
According to some embodiments of the utility model, the air inlet device further comprises a baffle plate, the baffle plate is provided with an air inlet, the baffle plate is provided with a supporting leg, and the baffle plate is fixedly connected to the air inlet assembly through the supporting leg.
According to some embodiments of the present invention, a circuit board is fixed in the air intake assembly, the circuit board includes a main control chip, an environment detection module, and a fan driving module, and the main control chip is connected to the environment detection module and the fan driving module, so that the main control chip reads a detection signal of the environment detection module and controls the fan driving module to operate according to the detection signal.
According to some embodiments of the utility model, the environment detection module comprises a thermosensitive element and a humidity-sensitive element, one end of the thermosensitive element is connected with a power supply, the other end of the thermosensitive element is connected with the main control chip, and two ends of the humidity-sensitive element are connected with the main control chip.
According to some embodiments of the present invention, the fan driving module includes a triode and a triac, a base of the triode is connected to the main control chip, a collector of the triode is connected to a gate of the triac, an emitter of the triode is grounded, a first anode of the triac is connected to a live wire, a second anode of the triac is connected to a first electrode of the fan, and a second electrode of the fan is connected to a zero line.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of the present invention;
FIG. 2 is a bottom view of the present invention;
FIG. 3 is a front exploded view of the present invention;
FIG. 4 is a top exploded view of the present invention;
FIG. 5 is an environmental detection module of the present invention;
FIG. 6 is a fan drive module and AC voltage sampling module of the present invention.
Reference numerals: a box cover 1; a pipe 2; a box body 3; a fan 4; a first duct door 5; a second duct door 6; a baffle 7; a circuit board 8; a torsion spring 9; a third fixing structure 10; a third fixed structure protective cover 11; a fourth fixed structure 12; a fixed port 101; supporting legs 102; a first fixed structure 103; a second fixed structure 104; a second fixing leg 105; a hub portion 106; a first fixing leg 107; a first securing foot protection cover 108; an air inlet 109; a strip 110.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are further described below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be fully described below, and it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.
According to some embodiments, as shown in fig. 1, 2, and 3, the air conditioner includes a fan 4, wherein the fan 4 has an air inlet end and an air outlet end; comprises a pipeline 2, and a fan 4 is arranged in the pipeline 2; the air conditioner comprises a first pipeline door 5 and a second pipeline door 6, wherein the first pipeline door 5 and the second pipeline door 6 are arranged on one side of an air outlet end and are connected and fixed on a pipeline 2, one end of the pipeline 2 is sealed by the first pipeline door 5 and the second pipeline door 6, two strips 110 are respectively fixed on the mutually close sides of the first pipeline door 5 and the second pipeline door 6, a gap is formed between the two strips 110 fixed by the first pipeline door 5, a gap is also formed between the two strips 110 fixed by the second pipeline door 6, and one end of each of the four strips 110 is rotatably fixed on the pipeline 2; comprising a torsion spring 9, the torsion spring 9 being rotatably fixed in one of the bars 110 by means of a clearance. Wherein, the first pipeline door 5 is provided with a first fixing structure 103, the second pipeline door 6 is provided with a second fixing structure 104, and two ends of the torsion spring 9 are respectively fixed on the first fixing structure 103 and the second fixing structure 104.
According to some embodiments, the air intake assembly is further included, the pipeline door closes one end of the pipeline 2, the air intake assembly closes the other end of the pipeline 2, an air inlet is arranged in the air intake assembly, the air inlet is communicated with the pipeline 2, and the air inlet end is close to the air inlet. The air inlet assembly comprises a box cover 1, a box body 3, a third fixing structure 10, a third fixing structure protective cover 11, first fixing pins 107 and a first fixing pin protective cover 108, wherein the third fixing structure 10 is connected with the four first fixing pins 107, the third fixing structure 10 is arranged at the air inlet and is connected with the box body 3 through the four first fixing pins 107; the box cover 1 is also provided with an air inlet which has the same size as the air inlet of the box body 3, the third fixed structure protective cover 11 is arranged at the air inlet of the box cover 1, and the third fixed structure protective cover 11 is connected with the four first fixed foot protective covers 108 and is connected with the box cover 1 through the four first fixed foot protective covers 108. The box cover 1 is detachably connected with the box body 3. The fan 4 includes a shaft portion 106, and the third fixing structure 10 is used for fixing the shaft portion 106.
According to some embodiments, there is further included a fourth fixing structure 12, the fourth fixing structure 12 being fixed to the outside of the pipe 2, six second fixing feet 105 being provided around the fourth fixing structure 12 for fixing the pipe 2 in place by the fourth fixing structure 12.
According to some embodiments, the box cover further comprises a baffle 7, the baffle 7 is provided with an air inlet 109, the baffle 7 is connected with the supporting leg 102, and the baffle 7 is fixedly connected to the box cover 1 through the supporting leg 102. Wherein, the air inlet 109 communicates the air inlet of the box cover 1 and the air inlet of the box body 3. The flap 7 serves to protect the air intake assembly.
According to some embodiments, the circuit board 8 is fixed in the box cover 1 and the box body 3, the circuit board 8 includes a main control chip, an environment detection module and a fan driving module, and the main control chip is connected with the environment detection module and the fan driving module, so that the main control chip reads a detection signal of the environment detection module and controls the fan driving module to work according to the detection signal.
According to some embodiments, the environment detection module includes a capacitor C1, a resistor R1, a resistor R2, a thermistor NTC, a socket J1 and a plug J2, wherein pin 1 of the socket J1 is connected with a +5V power supply, pin 2 is connected with one ends of a resistor R1 and a resistor R2, the other end of the resistor R1 is connected with one end of a capacitor C1 and a main control chip, the other ends of the capacitor C1 and the resistor R2 are grounded, the capacitor C1 is used for resistance-capacitance filtering in cooperation with the resistor R1, the resistor R1 is used for current limiting, and when the resistor R2 is used for turning off the power supply, the capacitor C1 is used for a discharge loop. Pin 1 and pin 2 of plug J2 are connected in series with thermistor NTC. The LED lamp also comprises a resistor R3, a resistor R4, a resistor R5, a capacitor C2 and a humidity-sensitive resistor RH, a pin 3 of the socket J1 is connected with the resistor R3, a resistor R4 and one end of the resistor R5, the other ends of the resistor R3 and the resistor R5 are connected with a main control chip, the other end of the resistor R4 is connected with the capacitor C2 and the main control chip, the other end of the capacitor C2 is grounded and used for filtering, the resistor R3, the resistor R4 and the resistor R5 are used for current limiting, and a pin 4 of the socket J1 is connected with the other end of the resistor R5 and the main control chip. Pin 3 and pin 4 of plug J2 are connected in series with a humidity sensitive resistor RH. Pin 1, pin 2, pin 3, and pin 4 of the socket J1 correspond to pin 1, pin 2, pin 3, and pin 4 of the connection plug J2, respectively. When the environment temperature is high, the resistance value of the thermistor NTC is reduced, and the main control chip detects a high-level signal through the resistor R1 to control and increase the power of the fan driving module. When the ambient temperature is normal, the resistance value of the thermistor NTC is high, and the main control chip detects a low-level signal through the resistor R1. The main control chip sends out pulse signal RH _1K + through resistance R3, its receiving terminal is RH _1K-, the main control chip detects pulse signal through resistance R4, when ambient humidity is high, the resistance of humidity sensitive resistor RH reduces, the main control chip can not detect pulse signal through resistance R4, and control fan drive module work, when ambient humidity is low, the resistance of humidity sensitive resistor RH increases, the main control chip detects pulse signal through resistance R4, and control fan drive module reduce power to closing. Wherein, the resistor R5 is used for RH _1K + passing through the resistor R3 and the resistors R5 to RH _ 1K-when the resistance of the humidity sensitive resistor RH is high, and RH _1K + passing through the resistor R3 and the humidity sensitive resistors RH to RH _ 1K-when the resistance of the humidity sensitive resistor RH is low.
According to some embodiments, the exhaust fan is automatically turned on when the humidity exceeds a set value and is automatically turned off when the humidity falls within the set value. When the temperature exceeds the set value, if the exhaust fan is started, the power of the exhaust fan is increased.
According to some embodiments, the fan driving module comprises a resistor R10, a triode Q1, a resistor R11, a triac Q2, a plug J3 and a socket J4, wherein one end of the resistor R10 is connected with the main control chip, the other end of the resistor R10 is connected with a base of the triode Q1, a collector of the triode Q1 is connected with a gate of the triac Q2 through a resistor R11, and an emitter of the triode Q1 is grounded. The first anode T1 of the bidirectional triode thyristor Q2 is connected with a pin 2 of a plug J3, a pin 3 of the plug J3 is connected with a pin 1 of a socket J4, and the second anode T2 of the bidirectional triode thyristor Q2 is connected with a pin 3 of the socket J4. The blower 4 is connected to the socket J4 through a power cord plug. Pin 2 of the plug J3 is connected with a live wire of a power supply, and pin 3 is connected with a zero wire of the power supply. The main control chip is conducted by controlling the triode Q1, the bidirectional controllable silicon Q2 is conducted after the triode Q1 is conducted, and the fan 4 works. The main control chip controls the power of the fan 4 through different pulse signals. The device further comprises an alternating voltage sampling module, wherein the alternating voltage sampling module comprises a voltage stabilizing diode D1, a diode D2, a resistor R8 and a resistor R9, the positive electrode of the diode D2 is connected with a pin 1 of a plug J3, and a pin 1 of a plug J3 is connected with a live wire. The cathode of the diode D2 is connected with one end of the resistor R8, the cathode of the voltage stabilizing diode D1 and the main control chip through the resistor R9, and the other end of the resistor R8 and the anode of the voltage stabilizing diode D1 are grounded. The diode D2 is used for rectification, the resistor R9 is used for current limiting, the resistor R8 is used for a discharging loop in power failure, and the voltage stabilizing diode D1 is used for stabilizing voltage.
It will be evident to those skilled in the art that the utility model is not limited to the exemplary embodiments described above, but that the present solution is capable of being embodied in other specific forms without departing from the essential characteristics thereof. Accordingly, the embodiments should be considered as exemplary and non-limiting.
Claims (10)
1. An exhaust fan, comprising:
the fan (4), the said fan (4) has air inlet end and air outlet end;
the pipeline (2), the said blower (4) locates in the said pipeline (2);
the at least one pipeline door is arranged at the air outlet end and is rotatably fixed on the pipeline (2);
an elastic element fixed to the at least one pipe door or the pipe (2), the elastic element being restored when the pipe door is closed and elastically deformed when the pipe door is opened.
2. An exhaust fan in accordance with claim 1, wherein: the pipeline door comprises a first pipeline door (5) and a second pipeline door (6), the first pipeline door (5) and the second pipeline door (6) seal the pipeline (2), a strip-shaped object (110) is fixed on one side, close to each other, of the first pipeline door (5) and the second pipeline door (6), and the pipeline doors are rotatably fixed on the pipeline (2) through the strip-shaped object (110);
the elastic element is a torsion spring (9), and the torsion spring (9) is rotatably fixed in one of the strips (110).
3. An exhaust fan in accordance with claim 2, wherein: the first pipeline door (5) is provided with a first fixing structure (103), the second pipeline door (6) is provided with a second fixing structure (104), and two ends of the torsion spring (9) are respectively fixed to the first fixing structure (103) and the second fixing structure (104).
4. An exhaust fan in accordance with claim 1, wherein: still include the air inlet subassembly, the pipeline door seals the one end of pipeline (2), the air inlet subassembly seals the other end of pipeline (2), be equipped with the air inlet in the air inlet subassembly, the air inlet intercommunication pipeline (2), the air inlet end is close to the air inlet.
5. The exhaust fan of claim 4, wherein: the air inlet assembly comprises a third fixing structure (10), the third fixing structure (10) is provided with at least two first fixing feet (107), the third fixing structure (10) is arranged on the air inlet and is connected with the air inlet assembly through the at least two first fixing feet (107);
the fan (4) comprises a shaft center part (106), and the third fixing structure (10) is used for fixing the shaft center part (106).
6. An exhaust fan in accordance with claim 1, wherein: the pipeline fixing structure further comprises a fourth fixing structure (12), wherein the fourth fixing structure (12) is fixed on the outer side of the pipeline (2) and used for fixing the pipeline (2) through the fourth fixing structure (12).
7. An exhaust fan in accordance with claim 1, wherein: the air inlet component is characterized by further comprising a blocking piece (7), wherein an air inlet (109) is formed in the blocking piece (7), supporting legs (102) are arranged on the blocking piece (7), and the blocking piece (7) is fixedly connected with the air inlet component through the supporting legs (102).
8. The exhaust fan of claim 4, wherein: the air inlet assembly is internally fixed with a circuit board (8), the circuit board (8) comprises a main control chip, an environment detection module and a fan driving module, and the main control chip is connected with the environment detection module and the fan driving module so that the main control chip can read detection signals of the environment detection module and control the fan driving module to work according to the detection signals.
9. The exhaust fan of claim 8, wherein: the environment detection module comprises a thermosensitive element and a humidity sensitive element, one end of the thermosensitive element is connected with the power supply, the other end of the thermosensitive element is connected with the main control chip, and two ends of the humidity sensitive element are connected with the main control chip.
10. The exhaust fan of claim 8, wherein: fan drive module includes triode (Q) and bidirectional thyristor (Q2), master control chip is connected to triode (Q) base, the gate pole of bidirectional thyristor (Q2) is connected to triode (Q) collecting electrode, triode (Q) projecting pole ground connection, the live wire is connected to the first positive pole of bidirectional thyristor (Q2), the first electrode of fan (4) is connected to the second positive pole of bidirectional thyristor (Q2), the zero line is connected to the second electrode of fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149412.3U CN215860916U (en) | 2021-05-26 | 2021-05-26 | Automatic start-up air discharge fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149412.3U CN215860916U (en) | 2021-05-26 | 2021-05-26 | Automatic start-up air discharge fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860916U true CN215860916U (en) | 2022-02-18 |
Family
ID=80317298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121149412.3U Active CN215860916U (en) | 2021-05-26 | 2021-05-26 | Automatic start-up air discharge fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860916U (en) |
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2021
- 2021-05-26 CN CN202121149412.3U patent/CN215860916U/en active Active
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Address after: Room 901, Building 6, Weihe New Science Park, No. 2 Keji Second Road, Xingtan Industrial Zone, Qixing Community, Xingtan Town, Shunde District, Foshan City, Guangdong Province, 528300 Patentee after: Guangdong Wintek Science and Technology Co.,Ltd. Country or region after: China Address before: 528300 residents committee of Luoshui community, Xingtan town, Shunde District, Foshan City, Guangdong Province Patentee before: Guangdong Weinuo Hi Tech Co.,Ltd. Country or region before: China |