WO2011113296A1 - 浴室用取暖换气扇 - Google Patents
浴室用取暖换气扇 Download PDFInfo
- Publication number
- WO2011113296A1 WO2011113296A1 PCT/CN2011/000207 CN2011000207W WO2011113296A1 WO 2011113296 A1 WO2011113296 A1 WO 2011113296A1 CN 2011000207 W CN2011000207 W CN 2011000207W WO 2011113296 A1 WO2011113296 A1 WO 2011113296A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air passage
- switching plate
- passage switching
- air
- fan
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/205—Mounting a ventilator fan therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Definitions
- the present invention relates to a heating ventilating fan for a bathroom, and more particularly to an air leakage preventing structure for a heating ventilating fan for a bathroom. Background technique
- a prior art bathroom heating ventilating fan 100 includes: a frame 110 having an opening 102 connected to the indoor opening 101 and the joint, and a mask 110a having an opening 101 covering the lower portion of the frame 110.
- the ventilator periphery, the blade 120, the motor 130, the heater 140, and the air path switching plate 150.
- the heating ventilating fan 100 is operated, the wind is sucked from the air inlet 160 of the mask 110 a of the heating ventilating fan 100, and then passes through the air passage switching plate 150 to perform air passage switching by the rotation of the air passage switching plate 150, thereby realizing the heating ventilating fan 100. Selection of heating, ventilation, and drying functions.
- the air passage switching plate 150 Since the air passage switching plate 150 needs to be rotated to realize the selection of the above functions, it is necessary to ensure a certain gap 180 between the air passage switching plate 150 and the air passage wall 170, so that the air passage switching plate 150 can smoothly rotate. In this case, when the heating ventilating fan 100 is operated, a small portion of the wind blows into the gap 180, causing loss of air volume, and noise is generated; however, if the air passage switching plate 150 and the surrounding air passage wall 170 are When the gap 180 is set too small, when the heating ventilating fan is operated, when the wind blows into the gap, a noise may occur or the wind path switching plate 150 may not be flexibly rotated. Summary of the invention
- a heating ventilating fan for a bathroom is a ventilating fan for a bathroom, comprising: a ventilating fan frame, a fan snail shell provided with a fan blade and a motor, and a downstream flow of the fan snail shell outlet and at least The air passage switching plate and the heater that switch the air passages of the two directions are provided with an air leakage preventing structure for guiding the air into the air passage switching plate at the air outlet of the fan snail shell.
- the air leakage preventing structure is a tab protruding from the air outlet of the fan snail shell into the air passage switching plate, and the air passage switching plate has a rotating piece overlapping the outer side of the tab.
- the air passage wall forming the air passage is extended from the air outlet of the fan snail shell, and the tab forms the air passage switching plate between the downstream side of the air outlet of the fan snail shell and the air passage wall of the air passage. The interval between the rotors.
- the tab is disposed around the entire air outlet of the fan snail shell. .
- the tab is protruded from a position above the rotating shaft of the air outlet of the fan snail shell.
- the tab is protruded from a position lower than a rotating shaft of the air passage switching plate that traverses the air outlet of the fan snail shell.
- the air leakage preventing structure refers to a convex structure that is engageable with each other on the air passage switching plate and the air passage wall forming the air passage.
- the convex structure is provided with convex portions on the left and right sides of the air passage switching plate and the air passage wall, respectively, and the convex portions on the air passage switching plate and the convex ribs on the air passage wall can be engaged with each other.
- the convex portion of the air passage switching plate is provided with a first air passage switching plate convex portion and a second air passage switching plate convex portion respectively on a side plate of the air passage switching plate adjacent to the air passage wall,
- the convex portion of the air passage wall is provided with a first air passage wall convex portion at a central portion of the air passage wall.
- the convex portion of the air passage switching plate is provided with a third air passage switching plate convex portion and a fourth air passage switching plate convex portion respectively at a front end portion and a rear end portion of the air passage switching plate adjacent to the air passage wall.
- the convex portion of the air passage wall is provided with a second air passage wall convex portion at a central portion on the air outlet side of the air passage wall.
- a third air passage wall convex portion is provided on the top surface side of the air passage wall, and a lowest point of the third air passage switching plate convex portion is higher than a lowest point of the third air passage wall convex portion.
- the present invention has an advantage in that air volume and noise reduction can be ensured while ensuring a gap required for smooth rotation of the air passage switching plate.
- the present invention has the following structure.
- a control unit that controls the motor, the heater, and the air passage switching plate is provided, and a sensor that detects a position of the air passage switching plate and transmits a signal to the control unit is further provided.
- the sensor is provided by a first body-side sensing element disposed on a side of the air passage wall of the fan snail shell and disposed outside the air passage switching plate rotor, and corresponding to the first body-side sensing element
- the first air passage switching plate side is provided by a sensing element.
- the first body-side sensing element is disposed corresponding to a movable limit point of the sensing element on the side of the first air passage switching plate that moves with the air passage switching plate.
- the sensor is disposed on a second body side sensing element disposed on a top surface of the air passage wall of the fan snail shell and disposed on an outer side of the air passage switching plate rotor, and corresponds to the second body side sensing element
- the second air passage switching plate side of the position is constituted by the sensing element.
- the sensor is provided by a third body-side sensing element disposed on a bottom surface of the air passage wall of the fan snail shell and disposed outside the air passage switching plate rotor, and corresponding to the third body-side sensing element
- the third air passage switching plate side is provided by the sensing element.
- the first, second, and third body-side sensing elements are magnetic sensors, and the sensing elements on the first, second, and third air path switching plate sides are magnets.
- the magnetic sensor is an electromagnet.
- Figure 1 is a schematic view of a known technique
- 3A and 3B are schematic views of a second embodiment
- 4A and 4B are schematic views of a third embodiment
- 5A, 5B, 5C, and 5D are schematic views of a fourth embodiment
- 6A, 6B, 6C, and 6D are schematic views of the fifth embodiment.
- FIG. 7A and 7B are schematic views showing a first embodiment of the sixth embodiment.
- Fig. 8 is a schematic view showing a second embodiment of the sixth embodiment.
- Fig. 9 is a schematic view showing a third embodiment of the sixth embodiment. detailed description
- a heating ventilating fan 100 for a bathroom includes: a ventilating fan frame 110, a ventilating fan periphery constituted by a mask 110a covering an opening 101 below the ventilating fan frame 1 10, a fan provided with a blade 120 and a motor 130.
- the snail shell 131, the air passage switching plate 150, the heater 140, and the like are provided with an air outlet 111 on the side wall of the ventilating fan frame 110.
- the mask 110a has an air inlet 160 and an indoor air outlet 112.
- the fan snail shell 131 has an air outlet 132 which is a square tubular shape surrounded by a top wall, a side wall and a bottom wall.
- the bathroom heating ventilating fan 100 has an air passage from the air outlet 132 to the air outlet 111 provided on the side wall of the ventilating fan frame 110 and from the air outlet 132 An air passage provided in the indoor air outlet 112 of the ventilating fan mask that is blown into the room.
- the air passage switching plate 150 has a rotating shaft 151 that traverses the fan snail casing air outlet 132. Further, a rotating main shaft 151 is provided around the rotating shaft 151, and the main board 152 for switching the air path is provided, and the main board 152 is continuously rotated toward the rotating shaft. A rotor 155 having side plates 154. Further, the air passage switching plate 150 flows down the air outlet 132 of the fan snail casing 131, and according to the position of the main plate 152, the air outlet is switched to two directions, that is, the above two air passages. The air outlet 132 of the fan snail casing 131 is provided with an air leakage preventing structure for guiding air into the air passage switching plate.
- the air leakage preventing structure shown in FIG. 2B is a tab 200 protruding from the periphery of the entire air outlet 132 of the fan snail shell 131 into the air passage switching plate 150, and the rotor 155 of the above-described switching board 150 and the tab The outer sides of 200 overlap.
- the air passage wall 170 forming the air passage extends from the air outlet 132 of the fan snail shell 131 to the air outlet I'l of the ventilating fan and the air outlet 112 that is blown into the room, and the tab 200 is in the fan snail shell 131.
- a constant space 190 in which the air passage switching plate 150 rotor 155 is accommodated is formed between the downstream side of the tuyere 132 and the air passage wall 170.
- the tab 200 protrudes from the periphery of the entire air outlet 132 toward the inner side of the air passage to form a "mouth” shape. Moreover, the "mouth" shape is divided into upper and lower portions by the rotation shaft 151 of the air passage switching plate 150 as described above, and the portion near the top surface 134 of the fan snail shell 131 is the upper end 210 of the tab 200, which is close to the fan. The portion of the bottom surface 135 of the snail shell 131 is the lower end 220 of the tab 200.
- the heating ventilating fan for the bathroom 100 controls the heating, ventilation, and drying functions of the heating ventilating fan 100 by controlling the rotational position of the air passage switching plate 150.
- FIG. 2A a cross-sectional view of the heating ventilating fan 100 for the bathroom in the heating mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the top surface 134 side of the fan snail shell 131, and both sides of the air passage switching plate 150
- the side plate 154 and the front end portion 1521 of the main plate 152 are engaged from the downstream side of the air outlet 132 into the space 190 between the upper end 210 of the tab 200 and the air passage wall 170. That is, the upper end 210 of the tab 200 and the air passage wall 170 are configured to receive the side walls 154 on both sides of the air passage switching plate 150 and the front end portion 1521 of the main plate 152.
- the wind is sucked from the air inlet 160 of the heating ventilating fan, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the heater 140.
- the wind is sucked from the air inlet 160 of the heating ventilating fan, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the heater 140.
- the tab 200 is protruded from the downstream side of the fan snail shell 131, and the outer side of the tab 200 overlaps with the air passage switching plate 150 to form a housing structure, and the air blown from the fan snail shell 131 does not leak to the air passage.
- the outer side of the plate 150 is guided into the air passage switching plate 150, and finally flows to the air passage which is one of the two air passages and is blown toward the indoor air outlet 112 in the room.
- FIG. 2C a sectional view of the heating ventilating fan 100 for the bathroom in the ventilation mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the bottom surface 135 of the fan snail shell 131, on both sides of the air passage switching plate 150.
- the side plate 154 and the rear end portion 1522 are engaged from the downstream side of the air outlet 132 into the space 190 between the lower end 220 of the "port"-shaped tab 200 and the air passage wall 170. That is, the lower end 220 of the tab 200 and the air passage wall 170 are configured to receive the side walls 154 on both sides of the air passage switching plate 150 and the rear end portion 1522 of the main plate 152.
- the heating ventilating fan 100 When the heating ventilating fan 100 is operated, the wind is sucked from the air inlet 160 of the heating ventilating fan, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the air outlet 111. With the above configuration, it is possible to prevent the wind from directly flowing out from the gap between the air passage switching plate 150 and the air passage wall 170.
- the fin 200 is protruded from the downstream side of the fan snail shell 131, and the outer side thereof overlaps with the lower end 220 of the air passage switching plate 150 to form a housing structure, and the air blown from the fan snail shell 131 does not leak to the air passage.
- the outer side of the plate 150 is guided into the air passage switching plate 150, and finally flows to the air passage of the air outlet 111 of the ventilating fan which is one of the two air passages.
- the mouth-shaped tab 200 covers the gap between the air passage switching plate 150 and the air passage wall 170 from the upstream side of the wind, thereby preventing the wind from being blown into the gap between the air passage switching plate 150 and the air passage wall 170, thereby The generation of noise is prevented and the occurrence of poor rotation of the air passage switching plate 150 is prevented, and the effect of ensuring the air volume is achieved. This improves product performance and energy efficiency.
- FIGS. 3A and 3B are schematic views showing a second embodiment of the present invention.
- the air passage wall 170 is extended on the downstream side of the air outlet 132 of the fan snail casing 131, and the tab 300 projecting downward from the air outlet 132 of the fan snail casing 131 forms a certain interval 290 with the inner side of the air passage wall 170.
- the tab 300 is disposed on the upper side of the rotary shaft 151 of the air passage switching plate 150 of the air outlet 132 of the fan snail casing 131. That is, the inverted "U" shape is formed.
- the air passage switching plate 150 is received by the space 290 formed between the outer side of the tab 300 and the air passage wall 170.
- a cross-sectional view of the heating ventilating fan 100 for the bathroom in the heating mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the top surface 134 side of the fan snail shell 131, and both sides of the air passage switching plate 150
- the side plate 154 and the front end portion 1521 of the main plate 152 are engaged from the downstream side of the wind into the space 290 between the inverted U-shaped tab 300 and the air passage wall 170, and the tab 300 and the air passage wall 170 form a accommodating wind.
- the structure of the side plate 154 on both sides of the road switching board 150 and the front end portion 1521 of the main board 152 are controlled by the stepping motor, and the air passage switching plate 150 is turned to the top surface 134 side of the fan snail shell 131, and both sides of the air passage switching plate 150
- the side plate 154 and the front end portion 1521 of the main plate 152 are engaged from the downstream side of the wind into the space 290 between the inverted U-shaped tab 300 and the air passage wall 1
- the heating ventilator 100 When the heating ventilator 100 is running, the wind is ventilating from the heating fan
- the suction port 160 of 100 is sucked, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the heater 140.
- the fin 300 is protruded from the downstream side of the fan snail shell 131, and the outer side thereof overlaps with the air passage switching plate 150 to form a housing structure, and the air blown from the fan snail shell 131 does not leak but is guided to the wind.
- the road switching plate 150 finally, it is possible to flow to the air path which is one of the two air passages and is blown toward the air outlet 112 in the room. Thereby improving product performance and energy utilization efficiency.
- FIGS. 4A and 4B are schematic views showing a third embodiment of the present invention.
- the air passage wall 170 is extended on the downstream side of the air outlet 132 of the fan snail shell 131, and the tab 400 projecting downward from the air outlet 132 of the fan snail shell 131 forms a certain interval 390 with the inner side of the air passage wall 170.
- the tab 400 is disposed on the lower side of the rotating shaft 151 of the air passage switching plate 150 of the fan sash casing 131. That is, the "U" shape is formed.
- the air passage switching plate 150 is received by the space 390 formed between the outer side of the tab 400 and the air passage wall 170.
- FIG. 4A a cross-sectional view of the heating ventilating fan 100 for the bathroom in the ventilation mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the bottom surface 135 side of the fan snail shell 131, and both sides of the air passage switching plate 150
- the side plate 154 and the rear end portion 1522 are inserted into the space 390 between the U-shaped tab 400 and the air passage wall 170 from the downstream side of the wind, and the tab 400 and the air passage wall 170 form the storage air passage switching plate 150.
- the structure of the side side plate 154 and the rear end portion 1522 are inserted into the space 390 between the U-shaped tab 400 and the air passage wall 170 from the downstream side of the wind, and the tab 400 and the air passage wall 170 form the storage air passage switching plate 150.
- the wind is sucked from the air inlet 160 of the heating ventilating fan 100, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the air outlet 11 1 .
- the wind is sucked from the air inlet 160 of the heating ventilating fan 100, passes through the blade 120, and is blown out from the air outlet 132 of the fan snail casing 131, and is blown toward the air outlet 11 1 .
- the fin 400 is protruded from the downstream side of the fan snail shell 131, and the outer side thereof overlaps with the air passage switching plate 150 to form a housing structure, and the air blown from the fan snail shell 131 does not leak but is guided to the wind.
- the road switching plate 150 finally, it is possible to flow to the air passage of the air outlet 11 1 of the ventilating fan which is one of the two air passages. This improves product performance and energy efficiency.
- FIGS. 5A, 5B, 5C, and 5D are schematic views of a fourth embodiment of the present invention.
- a pair of first air passage switching plate convex portions 161 and a second portion are provided on the left side surface 1541 and the right side surface 1542 of the side wall 154 of the air passage switching plate 150 opposite to the air passage wall 170.
- the first air passage switching plate convex portion 161 and the second air passage switching plate convex portion 162 are radially provided from the rotation shaft 151 like the end surface of the side plate 154 of the air passage switching plate 150.
- a first air passage wall convex portion 171 is provided at each of the left side portion and the right side portion 176 of the air passage wall 170. That is, the first air passage wall convex portion 171 is provided on a line connecting the rotating shaft 151 from the air passage switching plate 150 to the lower end of the air outlet 111. Further, the first air passage wall convex portion 171 is located between the first air passage switching plate convex portion 161 and the second air passage switching plate convex portion 162.
- the position of the air passage switching plate 150 is set, and the first air passage switching plate convex portion 161 and the first air passage wall are disposed on the air passage switching plate 150 and the air passage wall 170.
- the convex portion 171, or the second air passage switching plate convex portion 162 and the first air passage wall convex portion 171 are vertically overlapped and engaged with each other, and the ventilating fan is disposed from the air outlet 132 to the side wall of the ventilating fan frame 110.
- the air passage of the air outlet 111 is spaced apart from the air passage provided from the air outlet 132 to the indoor air outlet 112 of the ventilation fan mask, and the wind can be prevented from directly between the air passage switching plate 150 and the air passage wall 170.
- the gap flows to the outside of the air passage switching plate 150.
- FIG. 5C a sectional view of the heating ventilating fan 100 for the bathroom in the heating mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the top surface 134 side of the fan snail shell 131.
- the air passage switching plate 150 The second air passage switching plate convex portion 162 provided on the left side surface (not shown) and the right side surface 1542 is respectively provided with the first side (not shown) and the right side 176 of the air passage wall 170.
- the air passage wall convex portion 171 is engaged with each other to form an airtight state, thereby preventing wind from flowing directly from the gap between the air passage switching plate 150 and the air passage wall 170 to the outside of the air passage switching plate 150.
- FIG. 5D a sectional view of the heating ventilating fan 100 for the bathroom in the ventilation mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the bottom surface 135 side of the fan snail shell 131.
- the air passage switching plate 150 The first air passage wall convex portion 171 provided on the left side surface (not shown) and the right side surface 1542, and the first air passage wall convex portion 171 provided on the left side and the right side 176 of the air passage wall 170, respectively.
- the close contact state is formed, thereby preventing the wind from flowing directly from the gap between the air passage switching plate 150 and the air passage wall 170 to the outside of the air passage switching plate 150.
- FIGS. 6A, 6B, 6C, and 6D are schematic views showing a fifth embodiment of the present invention.
- a third air passage switching plate convex portion 164 and a fourth air passage switching plate opposed to the air passage wall 170 are provided on the outer side of the front end portion 1521 and the rear end portion 1522 of the air passage switching plate 150, respectively.
- the convex portion 165 is provided with a second air passage wall convex portion 186 at a lower middle end of the air outlet wall 111 side of the air passage wall 170. Further, the second air passage wall convex portion 186 is located between the third air passage switching plate convex portion 164 and the fourth air passage switching plate convex rib 165.
- the third air passage switching plate convex portion 164 and the second air passage wall convex portion 186 or the fourth air passage provided to the air passage switching plate 150 and the air passage wall 170 are passed.
- the switching plate convex portion 165 and the second air passage wall convex portion 186 are overlapped and engaged to prevent wind from directly from the air passage switching plate 150 and the air passage wall
- the gap between the 170 flows to the outside of the air passage switching plate 150.
- FIG. 6C a cross-sectional view of the heating ventilating fan 100 for the bathroom in the heating mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the top surface 134 side of the fan snail shell 131.
- the air passage switching plate 150 The fourth air passage switching plate convex portion 165 of the rear end portion 1522 is engaged with the second air passage wall convex portion 186 of the air passage wall 170 to form a close state, thereby preventing wind from directly from the air passage switching plate 150 and the air passage.
- the gap between the walls 170 flows to the outside of the air passage switching plate 150.
- FIG. 6D a cross-sectional view of the heating ventilating fan 100 for the bathroom in the ventilation mode is controlled by the stepping motor, and the air passage switching plate 150 is turned to the bottom surface 135 side of the fan snail shell 131.
- the air passage switching plate 150 The third air passage switching plate convex portion 164 of the front end portion 1521 is engaged with the second air passage wall convex portion 186 of the air passage wall 170 to form a close state, thereby preventing wind from directly from the air passage switching plate 150 and the air passage.
- the gap between the walls 170 flows to the outside of the air passage switching plate 150.
- this embodiment also provides a downwardly projecting "V"-shaped third air passage wall convex portion 177 on the top surface 172 side of the air passage wall 170, and the front end portion 1521 of the air passage switching plate 150.
- the lowest point 1640 of the third air passage switching plate convex portion 164 is higher than the lowest point 1770 of the "V"-shaped third air passage wall convex portion 177.
- the third wind path wall convex portion 177 is provided with a front side 1772 on the side of the air outlet 132 and a rear side 1771 on the downstream side of the air outlet 132, and has an apex below.
- the sectional shape thereof is a right-angled triangle formed by the front side 1772 which is a hypotenuse and the rear side 177 which is one side.
- the air passage switching plate 150' is turned to the top surface 134 side of the fan snail shell 131 by the stepping motor control, and at this time, the third end portion 1521 of the air passage switching plate 150 is
- the air passage switching plate convex portion 164 is engaged with the rear side 1771 of the third air passage wall convex portion 177, and the fourth air passage switching plate convex portion 165 and the air passage wall 170 of the rear end portion 1522 of the air passage switching plate 150 are
- the second air passage wall convex portion 186 is engaged with each other to form a close contact state, and the front side 1772 of the "V"-shaped third air passage wall convex portion 177 is formed to have a triangular cross section as described above.
- the front side 1772 also has a function of guiding the wind blown by the air outlet side to the guide plate in the air passage switching plate 150. Therefore, the third air passage wall convex portion 177 of the above-mentioned "V" shape can prevent the wind from directly flowing from the gap between the air passage switching plate 150 and the air passage wall 170 to the outside of the air passage switching plate 150, and can also be reduced. Small wind resistance, improve performance. Thereby improving product performance and energy utilization efficiency.
- the sixth embodiment of the present invention is based on the above-described second embodiment of the second embodiment in which the tab 300 as the air leakage preventing structure is provided, and is further provided with a control motor 130, a heater 140, and a wind.
- the control unit of the road switching board 150 is further provided with a position for detecting the air passage switching plate 150 and transmitting a signal to the control unit. Sensor.
- the sensor detects the position of the air passage switching plate 150 and transmits a signal to the control unit.
- the control unit controls the stepping motor to rotate the air passage switching plate to the normal position based on the position signal.
- the position of the air passage switching plate 150 can be detected, when the air passage switching plate 150 is displaced from the normal position due to an external factor during the heating operation or the ventilation operation, the position can be made by the control portion. correct.
- the air leakage preventing structure of the present invention not only the air can be surely guided into the air passage switching plate 150, but also the air leakage caused by the positional deviation of the air passage switching plate 150 can be prevented.
- the senor is provided by a first body-side sensing element disposed on a side surface of the air passage wall 170 of the fan snail shell 131 and a side plate 154 disposed on the side plate 154 of the air passage switching plate 150 rotor 155, and the first body
- the first air passage switching plate side disposed at a corresponding position of the side sensing element is constituted by the sensing element.
- FIG. 7A and 7B are schematic views showing a first embodiment of the sixth embodiment.
- the first body-side sensing elements 0101 and 0012 provided on the side surface of the air passage wall 170 of the fan snail casing 131 and the first air passage switching plate side moved along with the air passage switching plate 150 are transmitted.
- the movable limit point of the sensing element 551 is correspondingly set.
- the side plate 154 of the air passage switching plate 150 is provided with a first air passage switching plate side sensing element 551.
- the first air passage switching plate side of the first air passage switching plate side is radially disposed from the rotation shaft 151 like the end surface of the side plate 154 of the air passage switching plate 150. (The same position as the convex portion of the first air passage switching plate of Fig. 5A)
- the side surface (one side or both sides) of the left side or right side surface 176 of the air passage wall 170 is radially disposed from the rotating shaft 151 to the first body side sensing elements 001, 0012 at two places.
- the first body-side sensing elements 001 1 and 0012 disposed at two sides of the air passage wall 170 and the first air passage switching plate side moved by the air passage switching plate 150 are moved by the movable limit point of the sensing element 551 Corresponding settings.
- the first body-side sensing element 0011 on the side of the air passage wall 170 is corresponding to the position of the sensing element 551 on the side of the air passage switching plate side in the heating mode, gP, air path switching plate 150 is rotated to the top surface 134 side of the fan snail shell 131, and the first air passage switching plate side provided on the upper end surface of the side plate 154 of the air passage switching plate 150 is also rotated by the sensing element 551, and the first body side sensor
- the first air passage switching plate side when the 0011 reaches the upper limit point state is radially disposed from the rotation shaft 151 in the opposing direction of the sensor element 551.
- the first body side sensing element 0012 and the ventilation mode on the other side of the air passage wall 170 The first air passage switching plate side on the side of the air passage switching plate is rotated by the corresponding position of the sensing element 551, gp, and the air passage switching plate 150 is rotated to the bottom surface 135 side of the fan snail shell 131, and is disposed on the air passage switching plate 150.
- the first air passage switching plate side of the upper end surface of the side plate 154 is also rotated by the sensing element 551, and the first body side sensor 0012 and the first air passage switching plate side when the lower limit point state is reached are the sensing elements.
- the 551 is radially disposed from the rotating shaft 151 in a relative direction.
- the first body-side sensing elements 0101 and 0012 provided at the side 2 of the air passage wall 170 are disposed corresponding to the movable limit points above and below the sensing element 551 on the side of the air passage switching plate, heating is performed.
- the side plate 154 of the air passage switching plate 150 rotates, the first air passage switching plate side is moved by the sensing element 551 until it moves to the upper movable limit point, and is set corresponding to the upper limit point.
- the first body side sensing element 0011 on one side detects the normal position of the air passage switching plate 150 during the heating operation.
- the first air passage switching plate side is moved by the sensing element 551 until it moves to the lower movable limit point, and passes through the lower limit
- the first body side sensing element 0012 on the other side corresponding to the point is set to detect the normal position of the air passage switching plate 150 during the ventilation operation.
- the control unit transmits a signal to the stepping motor based on the position signal to control the rotation of the air passage switching plate 150.
- the first air passage switching plate side is disposed on the side of the air passage wall 170 at the two sides of the air passage wall 170 from the rotation shaft 151 so as to be flush with the end surface of the upper side plate 154.
- a body-side sensing element 001 1 , 0012 is radially disposed on the side of the air passage wall 170 from the rotating shaft, because the first body-side sensing element 0011 is far from the first body-side sensing element 0012, When the first air passage switching plate side is detected by the sensing element 551, mutual interference does not occur. Therefore, the first air passage switching plate side can be stably detected by the first main body side sensing elements 001 1 and 0012. Sensing element 551.
- the first body side sensing elements 0101, 0012 disposed at the side 2 of the air passage wall 170 and the first air passage switching plate side disposed on the side plate 154 of the air passage switching plate 150 are guided by the sensing element 551, through the axis
- the non-contact sensing of the direction can detect the position of the air passage switching plate 150.
- the air passage switching plate 150 Since the normal position of the air passage switching plate 150 during the dry operation and the ventilation operation can be accurately detected, when the heating operation or the ventilation operation is performed, the air passage switching plate 150 is deviated from the normal position due to an external factor. At the time, the position can be corrected by the control unit.
- the air leakage preventing structure of the present invention not only the air can be surely guided into the air passage switching plate 150, but also the air leakage caused by the positional deviation of the air passage switching plate 150 can be prevented.
- Fig. 8 is a schematic view showing a second embodiment of the sixth embodiment.
- the sensor may also be disposed on the second body side sensing element 0021 disposed on the top surface of the air passage wall 170 of the fan cow cowl 131.
- the second air passage switching plate side sensing element 552 is disposed outside the front end portion 1521 of the rotor piece 155 of the air passage switching plate 150 and at a position corresponding to the second body side sensing element 0021.
- the second body-side sensing element 0021 disposed on the inner side of the top surface of the air passage wall 170 and the second air passage switching plate side disposed on the front end portion 1521 of the air passage switching plate 150 are guided by the sensing element 552
- the non-contact sensing of the direction can detect the normal position of the air passage switching plate during heating operation.
- the second body side sensing element 0021 is disposed on the air path.
- the second air passage switching plate side of the front end portion 1521 of the switching plate 150 is disposed in the opposite direction by the sensing element 552.
- the second body side sensing element 0021 and the second air path switching board side sensing element 552 may be respectively disposed on the inner side of the top surface of the air passage wall 170 and the outer side of the front end portion 1521 of the air passage switching plate 150, in the heating mode. Set for relative orientation.
- the control unit transmits a signal to the stepping motor based on the position signals of the second body-side sensing element 0021 and the second air passage switching plate side by the sensing element 552 to control the rotation of the air passage switching plate.
- the position can be corrected by the control unit.
- the air leakage preventing structure of the embodiment of the present invention can not only reliably guide the air into the air passage switching plate 150, but also effectively prevent the air passage switching plate 150 from leaking due to the positional deviation.
- Fig. 9 is a schematic view showing a third embodiment of the sixth embodiment.
- the sensor is disposed on a third body side sensing element 0031 disposed on a bottom surface of the air passage wall 170 of the fan snail shell 131 and on an outer side of the air passage switching plate 150 rotor 155, and is configured as described above.
- the third air passage switching plate side disposed corresponding to the third body side sensing element 0031 is constituted by the sensing element 553.
- the third body side sensing element 0031 disposed on the inner side of the bottom surface of the air passage wall 170 and the third air passage switching plate side disposed on the rear end portion 1522 of the air passage switching plate 150 are subjected to radial non-contact transmission by the sensing element 553. Sense, detecting the normal position of the air passage switching plate during ventilation operation.
- the third body side sensing element 0031 and the air passage switching plate 150 are disposed.
- the third air passage switching plate side of the rear end portion 1522 is disposed in the opposite direction by the sensing element 553.
- the third body side sensing element 0031 and the third air passage switching plate side sensing element 553 may be respectively disposed at an inner side of the bottom surface of the air passage wall 170 and an outer portion of the rear end portion 1522 of the air passage switching plate 150, in the ventilation mode.
- the time is set for the relative direction.
- the control unit transmits a signal to the stepping motor based on the position signals of the third body side sensing element 0031 and the third air passage switching plate side by the sensing element 553 to control the rotation of the air passage switching plate.
- the normal position of the air passage switching plate 150 during the ventilation operation can be accurately detected.
- the position can be corrected by the control unit.
- the air leakage preventing structure of the embodiment of the present invention can not only reliably guide the air into the air passage switching plate 150, but also effectively prevent the air passage switching plate 150 from leaking due to the positional deviation.
- first, second, and third body-side sensing elements are magnetic sensors
- first, second, and third air passage switching plate sides are magnets.
- the first body side sensing element, the second body side sensing element, and the third body side sensing element are hole elements in the magnetic sensor. Further, the first, second, and third air passage switching plate sides are magnets.
- the magnet sensor can The magnetic field generated by the magnet is detected.
- the first, second, and third body-side sensing elements are magnetic sensors using the hole elements, and the first to third air-way switching plate-side sensing elements are magnets, compared with mechanical switches. For non-contact, and, the miniaturization of the sensor can be achieved.
- the magnetic sensor (the first, second, and third body-side sensing elements) may be an electromagnet.
- the sensing elements of the first, second and third body sides are electromagnets.
- the control unit controls the stepping motor to rotate the air passage switching plate during the ventilation operation or the heating operation
- the magnets are detected by the first, second, and third body-side sensing elements (first, second, and The sensing element on the side of the three-winding switchboard enters the detection range of the electromagnet, and then the magnetic sensor (the first, second, and third body-side sensing elements) on the main body side of the electromagnet is powered on, and ventilates.
- the air passage switching plate 150 is rotated to the vicinity of the normal position, and the magnetic sensors (the first main body side sensing element and the second main body side sensing element) on the main body side are attracted to the air passage switching plate 150.
- the magnet on the side (the sensor element on the first air passage switching plate side and the sensor element on the second air passage switching plate side).
- the air passage switching plate 150 maintains the normal position during the heating operation and the ventilation operation.
- the wind switch When the plate 150 is out of the normal position it can be adjusted to the normal position and locked.
- the air leakage preventing structure of the sixth embodiment is a structure having the tab 300 of the second embodiment, and the air leakage preventing structure of any of the first embodiment, the second embodiment, and the fifth embodiment is implemented.
- the air leakage preventing structure according to the embodiment of the present invention can not only reliably guide the air into the air passage switching plate 150, but also effectively prevent the air passage switching plate during the heating operation.
- the air leakage caused by the positional deviation on the ventilation position side due to its own weight is also prevented, and the air leakage caused by the positional deviation of the air passage switching plate 150 due to the wind pressure during the ventilation operation can be effectively prevented.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Central Heating Systems (AREA)
- Ventilation (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Flow Control Members (AREA)
- Air Conditioning Control Device (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012540280A JP5551264B2 (ja) | 2010-03-15 | 2011-02-10 | 浴室用暖房換気扇 |
US13/574,737 US9347464B2 (en) | 2010-03-15 | 2011-02-10 | Heating and ventilation fan for bathroom |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101271888A CN102192593B (zh) | 2010-03-15 | 2010-03-15 | 浴室用取暖换气扇 |
CN201010127188.8 | 2010-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011113296A1 true WO2011113296A1 (zh) | 2011-09-22 |
Family
ID=44601185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2011/000207 WO2011113296A1 (zh) | 2010-03-15 | 2011-02-10 | 浴室用取暖换气扇 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9347464B2 (zh) |
JP (1) | JP5551264B2 (zh) |
CN (2) | CN103423204B (zh) |
HK (2) | HK1158734A1 (zh) |
WO (1) | WO2011113296A1 (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103423204B (zh) * | 2010-03-15 | 2015-12-02 | 广东松下环境系统有限公司 | 浴室用取暖换气扇 |
CN104654462A (zh) * | 2015-02-10 | 2015-05-27 | 徐立群 | 集成吊顶超薄智能新型多功能电器 |
JP6301279B2 (ja) * | 2015-04-06 | 2018-03-28 | リンナイ株式会社 | 風路切換装置 |
JP6460956B2 (ja) * | 2015-10-21 | 2019-01-30 | リンナイ株式会社 | 浴室暖房乾燥機 |
JP6650558B2 (ja) * | 2015-11-18 | 2020-02-19 | パナソニックIpマネジメント株式会社 | 浴室換気乾燥機 |
CN105546623B (zh) * | 2016-02-01 | 2018-09-14 | 广东爱美信电器有限公司 | 一种可联动调节热风比例的浴霸 |
CN114962304A (zh) * | 2016-03-25 | 2022-08-30 | 台达电子工业股份有限公司 | 换气扇 |
TWI605197B (zh) * | 2016-07-21 | 2017-11-11 | 建準電機工業股份有限公司 | 換氣扇 |
WO2019012634A1 (ja) * | 2017-07-12 | 2019-01-17 | 三菱電機株式会社 | 浴室乾燥機 |
CN108980965A (zh) * | 2018-09-20 | 2018-12-11 | 奥普家居股份有限公司 | 多通道取暖的浴室取暖器 |
CN110553305A (zh) * | 2019-09-03 | 2019-12-10 | 王易 | 一种空调型顶装取暖器 |
US11913460B2 (en) | 2020-03-20 | 2024-02-27 | Greenheck Fan Corporation | Exhaust fan |
CN113280509B (zh) * | 2021-05-06 | 2023-02-10 | 宁波公牛生活电器有限公司 | 取暖器 |
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JP2915096B2 (ja) | 1990-06-19 | 1999-07-05 | 科学技術振興事業団 | 多重変調磁場による電子スピン共鳴画像装置 |
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-
2010
- 2010-03-15 CN CN201310300887.1A patent/CN103423204B/zh active Active
- 2010-03-15 CN CN2010101271888A patent/CN102192593B/zh active Active
-
2011
- 2011-02-10 WO PCT/CN2011/000207 patent/WO2011113296A1/zh active Application Filing
- 2011-02-10 JP JP2012540280A patent/JP5551264B2/ja active Active
- 2011-02-10 US US13/574,737 patent/US9347464B2/en not_active Expired - Fee Related
- 2011-12-07 HK HK11113206.0A patent/HK1158734A1/xx not_active IP Right Cessation
-
2014
- 2014-03-21 HK HK14102842.0A patent/HK1192602A1/zh unknown
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US5839879A (en) * | 1995-12-05 | 1998-11-24 | Denso Corporation | Centrifugal blower |
JPH09250787A (ja) * | 1996-03-19 | 1997-09-22 | Fuji Kogyo Kk | 浴室換気乾燥機 |
CN101576095A (zh) * | 2008-05-05 | 2009-11-11 | 广东松下环境系统有限公司 | 带加热器的换气扇 |
Also Published As
Publication number | Publication date |
---|---|
HK1192602A1 (zh) | 2014-08-22 |
HK1158734A1 (en) | 2012-07-20 |
CN102192593A (zh) | 2011-09-21 |
US20130004299A1 (en) | 2013-01-03 |
US9347464B2 (en) | 2016-05-24 |
JP2013512371A (ja) | 2013-04-11 |
CN102192593B (zh) | 2013-10-09 |
JP5551264B2 (ja) | 2014-07-16 |
CN103423204B (zh) | 2015-12-02 |
CN103423204A (zh) | 2013-12-04 |
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