CN108954818A - A kind of heat blows ground machine and its heating device - Google Patents

A kind of heat blows ground machine and its heating device Download PDF

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Publication number
CN108954818A
CN108954818A CN201811001086.4A CN201811001086A CN108954818A CN 108954818 A CN108954818 A CN 108954818A CN 201811001086 A CN201811001086 A CN 201811001086A CN 108954818 A CN108954818 A CN 108954818A
Authority
CN
China
Prior art keywords
electric heating
heating body
air outlet
area
microswitch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811001086.4A
Other languages
Chinese (zh)
Inventor
何向明
林光濂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangmen Keye Electric Appliances Manufacturing Co Ltd
Original Assignee
Jiangmen Keye Electric Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangmen Keye Electric Appliances Manufacturing Co Ltd filed Critical Jiangmen Keye Electric Appliances Manufacturing Co Ltd
Priority to CN201811001086.4A priority Critical patent/CN108954818A/en
Priority to US16/202,597 priority patent/US11499749B2/en
Publication of CN108954818A publication Critical patent/CN108954818A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/04Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1854Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863Arrangement or mounting of electric heating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2064Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure

Abstract

The present invention relates to a kind of heating to blow ground machine and its heating device.It includes ventilating duct, the motor being set to inside the ventilating duct and wind wheel and the heating device being set at the first air outlet of the ventilating duct that ground machine is blown in the heating;The wind wheel is fixed in the shaft of the motor;The heating device includes shell, electric heating body and runner assembly;The shell is set on first air outlet and is formed an inner cavity, and the inner cavity includes the second area with the first area of the first air outlet face and with the non-face of the first air outlet;The electric heating body is fixedly arranged on the runner assembly, and it is rotated between the first area and second area with runner assembly, make from the air-flow that the first air outlet is blown out by electric heating body with without electric heating body two states under switch, and blown out from setting the second air outlet on the housing.

Description

A kind of heat blows ground machine and its heating device
Technical field
The present invention relates to blowing ground machine and its heating device are blown in machine technical field more particularly to a kind of heating.
Background technique
Blow ground machine be it is a kind of by outside air by air inlet suck machine inside, then from air outlet blowout machine. The body that ground machine usually has volute type is blown, air outlet can be placed on ground and moist place is dried close to ground.It passes System blows ground machine and generally comprises handle, ventilating duct, motor and wind wheel, and ventilating duct is spiral case shape, and motor and wind wheel are set to and lead Inside air duct, air inlet and air outlet are respectively arranged on the side and front end of ventilating duct.In order to blow out warm wind, blow inside ground machine also Settable electric heating body, electric heating body are usually located inside ventilating duct, are passed through by the air-flow that motor drives wind wheel to spin out Electric heating body is heated, then is blown out from air outlet.However, tradition blow ground machine in the case that blowing hot-air and blow a cold wind over two kinds, air-flow By path be identical, so that air-flow will also pass through cold electric heating body, due to electricity when needing to blow a cold wind over Calandria is usually wire mesh, and air-flow will receive certain blocking after wire mesh, leads to the air quantity come out from air outlet It is smaller, influence efficiency;In addition, when heating, also results in wind-guiding barrel while being added since electric heating body is arranged in ventilating duct Heat, therefore heat-resisting requirement is proposed to entire wind-guiding barrel.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of heating to blow ground machine, can be switched with air flow path excellent Point.
The purpose of the present invention is what is be achieved through the following technical solutions: ground machine is blown in a kind of heating, including ventilating duct, is set to Motor and wind wheel inside the ventilating duct and the heating device being set at the first air outlet of the ventilating duct;It is described Wind wheel is fixed in the shaft of the motor;The heating device includes shell, electric heating body and runner assembly;The casing Be located on first air outlet and formed an inner cavity, the inner cavity include with the first area of the first air outlet face and with The second area of the non-face of first air outlet;The electric heating body is fixedly arranged on the runner assembly, and with runner assembly in institute It states and is rotated between first area and second area, make the air-flow blown out from the first air outlet by electric heating body and without electricity Switch under calandria two states, and the second air outlet blowout from setting on the housing.
Compared with the existing technology, heating device is connected to the outside for blowing the air outlet of ventilating duct of ground machine by the present invention, and By the positional relationship of design electric heating body and the air outlet of ventilating duct, the air-flow blown out from the air outlet of ventilating duct is allow to exist By electric heating body with without switching under electric heating body two states, the free switching realizing blowing hot-air and blowing a cold wind over, relatively It is set to inside ventilating duct in by heating device, the of the invention ground machine that blows can increase air output when blowing a cold wind over, and can reduce Ground machine integral material is blown for requirement resistant to high temperature.
Further, the shell includes side wall and end cap, and the end cap is parallel with the end face of the first air outlet, the end The part that lid is located at first area is second air outlet, and the end cap is located at the part of second area for closure lid.
Further, the runner assembly is rotation axis, and the electric heating body is arranged on the rotating shaft, and with described turn Moving axis rotation.
Further, the heating device further includes turn knob, the turn knob be set to the side wall on, and with institute The one end for stating rotation axis is connected to drive rotation axis to rotate.
Further, the inner wall of the side wall is equipped with limiting section, and electric heating body is stated with fixation in the limiting section support residence Its position.Preferably, limiting section there are two setting on the inner wall of the side wall, is respectively used to the electric heating body being fixed on first Region and second area.
Further, the heating device further includes the microswitch concatenated with the electric heating body, the microswitch It is set to described interior intracavitary;When the electric heating body is turned in the first area, electric heating body resist microswitch so that Microswitch is connected, and when the electric heating body is turned in the second area, electric heating body does not resist microswitch so that micro- Dynamic switch disconnects.Microswitch is used to automatically switch the working condition of electric heating body with off working state: when microswitch is connected When, the independent power switch of electric heating body is opened, electric heating body is started to work;When microswitch disconnects, even if electric heating body list Only power switch is still in open state, and electric heating body does not also work.
The present invention also provides a kind of heating devices, including shell, electric heating body and runner assembly;The shell is set in An inner cavity is blown on the first air outlet of the ventilating duct of ground machine and is formed, the inner cavity includes the firstth area with the first air outlet face Domain and second area with the non-face of the first air outlet;The electric heating body is fixedly arranged on the runner assembly, and with rotating group Part rotates between the first area and second area, makes the air-flow blown out from the first air outlet by electric heating body and not By switching under electric heating body two states, and the second air outlet blowout from setting on the housing.
Further, the shell includes side wall and end cap, and the end cap is parallel with the end face of the first air outlet, the end The part that lid is located at first area is second air outlet, and the end cap is located at the part of second area for closure lid.
Further, the runner assembly is rotation axis, and the electric heating body is arranged on the rotating shaft, and with described turn Moving axis rotation.
Further, the heating device further includes turn knob, the turn knob be set to the side wall on, and with institute The one end for stating rotation axis is connected to drive rotation axis to rotate.
Further, the inner wall of the side wall is equipped with limiting section, and electric heating body is stated with fixation in the limiting section support residence Its position.Preferably, limiting section there are two setting on the inner wall of the side wall, is respectively used to the electric heating body being fixed on first Region and second area.
Further, the heating device further includes the microswitch concatenated with the electric heating body, the microswitch It is set to described interior intracavitary;When the electric heating body is turned in the first area, electric heating body resist microswitch so that Microswitch is connected, and when the electric heating body is turned in the second area, electric heating body does not resist microswitch so that micro- Dynamic switch disconnects.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the schematic perspective view that ground machine is blown in the heating of embodiment.
Fig. 2 is the schematic view of the front view that ground machine is blown in the heating of embodiment.
Fig. 3 is the right side structural representation that ground machine is blown in the heating of embodiment.
Fig. 4 is the members structural schematic diagram that ground machine is blown in the heating of embodiment.
Fig. 5 is heated condition schematic diagram when ground machine work is blown in the heating of embodiment.
Fig. 6 is normal state schematic diagram when ground machine work is blown in the heating of embodiment.
Specific embodiment
With reference to the accompanying drawing, technical solution of the present invention is described in detail.In the description of the present invention, it needs to manage Solution, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In the description of the present invention, unless It is otherwise noted, the meaning of " plurality " is two or more.
It is respectively that schematic perspective view, the main view of ground machine are blown in the heating of the present embodiment please refer to Fig. 1 to Fig. 4 Structural schematic diagram, right side structural representation and members structural schematic diagram.
It includes blowing ground owner's body device 100 and heating device 200 that ground machine is blown in the heating of the present embodiment.The heating device 200 are set to the outside for blowing ground owner's body device 100.
The ground owner's body device 100 that blows can blow ground machine main structure, this reality using any disclosed in the prior art It applies in example comprising the first side wall 111, second sidewall 112, ventilating duct 120, motor, wind wheel, control assembly 130, handle 140 With bottom base 150.The first side wall 111 and second sidewall 112 are oppositely arranged in parallel, and the ventilating duct 120 is set to first Between side wall 111 and second sidewall 112, as what is advanced optimized, the ventilating duct 120 is rotatably disposed within the first side wall Between 111 and second sidewall 112, the direction of rotary shaft is perpendicular to the first side wall 111 and second sidewall 112.The ventilating duct 120 For hollow spiral case shape, including barrel and front end, the motor is installed in the barrel, and the wind wheel is fixed In (motor and wind wheel are not shown in figure) in the shaft of the motor.The handle 140 is fixedly arranged on the barrel.It is described Bottom base 150 be set to ventilating duct 120 lower section, be spaced a distance with ventilating duct 120, two sides respectively with the first side wall The bottom of 111 second sidewalls 112 connects.The control assembly 130 is installed on the one side of the barrel, and with the motor Electrical connection.The control assembly 130 includes that control panel and the rotary switch being installed on the control panel, accessory power supply are inserted Seat and circuit protection device.The another side of the barrel is equipped with air inlet 121, and the front end is equipped with the first air outlet 122。
The heating device 200 is set at first air outlet 122, including shell 210, turn knob 220, rotation Component 230 and electric heating body component 240.The shell 210 is set on first air outlet 122 and forms an inner cavity, institute Stating inner cavity includes the second area with the first area 2101 of 122 face of the first air outlet and with the non-face of the first air outlet 122 2102.The electric heating body 240 is fixedly arranged on the runner assembly 230, and with runner assembly 230 in the first area 2101 It is rotated between second area 2102, makes the air-flow blown out from the first air outlet 122 by electric heating body 240 and without electricity Switch under 240 two states of calandria, and is blown out from the second air outlet being arranged on the shell 210.
The shell 210 includes side wall 211 and end cap 212, and the end cap 212 is parallel with the end face of the first air outlet 122, The part that the end cap 212 is located at first area 2101 is the second air outlet 2121, and the end cap 212 is located at second area 2102 Part be closure lid 2122.The turn knob 220 is arranged on the side wall 211, and the runner assembly 230 is a rotation Axis, one end are connect with turn knob 220.As what is advanced optimized, the closure lid 2122 is located at the second air outlet 2121 Lower section.
The inner wall of the closure lid 2122 of the side wall 211 and the end cap is equipped with limiting section 250, the limiting section 250 The electric heating body 240 is resisted to fix its position.In the present embodiment, the limiting section 250 includes the first limited block 251 and the Two limited blocks 252, first limited block 251 is set to the top cover inner wall of the side wall 211, for resisting the electric heating body 240 to be fixed in the first area 2101;Second limited block 252 is set to the side wall 211 close to bottom Inner wall, for resisting the electric heating body 240 to be fixed in the second area 2102.
The heating device 200 further includes the microswitch 260 concatenated with the electric heating body 240, the microswitch 260 be set to it is described interior intracavitary.In the present embodiment, the microswitch 260 is equipped with an elastic slice.The electric heating body 240 rotates When in the first area 2101, electric heating body 240 contacts and oppresses the elastic slice of microswitch 260, so that microswitch 260 It connects, when the electric heating body 240 is turned in the second area 2102, elastic slice is flicked, so that microswitch 260 disconnects.
The heating device 200 further includes protective net 270, and the protective net 270 is set to described interior intracavitary, and is installed on institute It states on electric heating body 240.
It is respectively heated condition schematic diagram when the work of ground machine is blown in the heating of the present embodiment please refer to Fig. 5 and Fig. 6 And normal state schematic diagram when work.In a heated state, electric heating body 240 is under the driving of turn knob 220, with turning Moving axis 230 is rotated up to first area 2101, and the first limited block 251 resists electric heating body 240 to be fixed in first In region 2101, at this point, microswitch 260 is connected, the independent power switch of electric heating body 240 is opened, electric heating body 240 starts work Make, the air-flow blown out from the first air outlet 122 is heated by electric heating body 240, then blows out heat from the second air outlet 2121 Wind.Under normal conditions, electric heating body 240 is under the driving of turn knob 220, as rotation axis 230 is swung down to second In region 2102, the second limited block 252 resists electric heating body 240 to be fixed in second area 2102, at this point, fine motion is opened It closes 260 to disconnect, even if the independent power switch of electric heating body is still in open state, electric heating body 240 does not also work, from first The air-flow that air outlet 122 is blown out is heated without electric heating body 240, directly by first area 2101, then from the second outlet air 2121 blowing cold airs of mouth, cold wind herein refer to air at room temperature.To which electric heating body can be automatically switched by microswitch Working condition and off working state.
Compared with the existing technology, heating device is connected to the outside for blowing the air outlet of ventilating duct of ground machine by the present invention, and By the positional relationship of design electric heating body and the air outlet of ventilating duct, the air-flow blown out from the air outlet of ventilating duct is allow to exist By electric heating body with without switching under electric heating body two states, the free switching realizing blowing hot-air and blowing a cold wind over, relatively It is set to inside ventilating duct in by heating device, the of the invention ground machine that blows can increase air output when blowing a cold wind over, and can reduce Ground machine integral material is blown for requirement resistant to high temperature.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.

Claims (12)

1. it is a kind of heating blow ground machine, it is characterised in that: including ventilating duct, the motor being set to inside the ventilating duct and wind wheel, And it is set to the heating device at the first air outlet of the ventilating duct;The wind wheel is fixed in the shaft of the motor; The heating device includes shell, electric heating body and runner assembly;The shell is set on first air outlet and is formed One inner cavity, the inner cavity include the second area with the first area of the first air outlet face and with the non-face of the first air outlet; The electric heating body is fixedly arranged on the runner assembly, and is turned between the first area and second area with runner assembly It is dynamic, make from the air-flow that the first air outlet is blown out by electric heating body with without electric heating body two states under switch, and from The second air outlet blowout on the housing is set.
2. ground machine is blown in heating according to claim 1, it is characterised in that: the shell includes side wall and end cap, the end Lid is parallel with the end face of the first air outlet, and the part that the end cap is located at first area is second air outlet, the end cap It is closure lid positioned at the part of second area.
3. ground machine is blown in heating according to claim 2, it is characterised in that: the runner assembly is rotation axis, and the electricity adds Hot body is arranged on the rotating shaft, and as the rotation axis rotates.
4. ground machine is blown in heating according to claim 3, it is characterised in that: the heating device further includes turn knob, institute Turn knob is stated on the side wall, and is connect with one end of the rotation axis to drive rotation axis to rotate.
5. ground machine is blown in heating according to claim 2, it is characterised in that: the inner wall of the side wall is equipped with limiting section, institute It states limiting section support residence and states electric heating body to fix its position.
6. ground machine is blown in heating described in any claim in -5 according to claim 1, it is characterised in that: the heating device is also Including the microswitch concatenated with the electric heating body, the microswitch is set to described interior intracavitary;The electric heating body turns When moving in the first area, electric heating body resists microswitch so that microswitch is connected, and the electric heating body turns to When in the second area, electric heating body does not resist microswitch so that microswitch disconnects.
7. a kind of heating device, it is characterised in that: including shell, electric heating body and runner assembly;The shell, which is set in, blows ground On first air outlet of the ventilating duct of machine and formed an inner cavity, the inner cavity include with the first area of the first air outlet face, And the second area with the non-face of the first air outlet;The electric heating body is fixedly arranged on the runner assembly, and with runner assembly Rotated between the first area and second area, make from the first air outlet blow out air-flow by electric heating body with without It crosses under electric heating body two states and switches, and the second air outlet blowout from setting on the housing.
8. heating device according to claim 7, it is characterised in that: the shell includes side wall and end cap, the end cap Parallel with the end face of the first air outlet, the part that the end cap is located at first area is second air outlet, the end cap position It is that closure is covered in the part of second area.
9. heating device according to claim 8, it is characterised in that: the runner assembly is rotation axis, the electric heating Body is arranged on the rotating shaft, and as the rotation axis rotates.
10. heating device according to claim 9, it is characterised in that: further include turn knob, the turn knob is set to On the side wall, and it connect with one end of the rotation axis to drive rotation axis to rotate.
11. heating device according to claim 8, it is characterised in that: the inner wall of the side wall is equipped with limiting section, described Electric heating body is stated to fix its position in limiting section support residence.
12. according to heating device described in any claim in claim 7-11, it is characterised in that: further include and the electricity The microswitch of calandria concatenation, the microswitch is set to described interior intracavitary;The electric heating body turns to described first When in region, electric heating body resists microswitch so that microswitch is connected, and the electric heating body turns to the second area When interior, electric heating body does not resist microswitch so that microswitch disconnects.
CN201811001086.4A 2018-08-30 2018-08-30 A kind of heat blows ground machine and its heating device Pending CN108954818A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201811001086.4A CN108954818A (en) 2018-08-30 2018-08-30 A kind of heat blows ground machine and its heating device
US16/202,597 US11499749B2 (en) 2018-08-30 2018-11-28 Heating blower and heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811001086.4A CN108954818A (en) 2018-08-30 2018-08-30 A kind of heat blows ground machine and its heating device

Publications (1)

Publication Number Publication Date
CN108954818A true CN108954818A (en) 2018-12-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811001086.4A Pending CN108954818A (en) 2018-08-30 2018-08-30 A kind of heat blows ground machine and its heating device

Country Status (1)

Country Link
CN (1) CN108954818A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202322B1 (en) * 1997-07-17 2001-03-20 Turner, Iv William Air dispensing and heating floor drying apparatus
US20040244962A1 (en) * 2003-04-25 2004-12-09 Takahiro Tokunaga Air-conditioning unit without air-mix door
CN201166456Y (en) * 2008-02-02 2008-12-17 佛山市富士宝电器科技有限公司 Drive mechanism of air conditioner fan heating body
CN101614426A (en) * 2009-07-22 2009-12-30 中山市耀升电器制造有限公司 A kind of changes in temperature wind automatic transfer equipment that on centrifugal air channel, designs
CN202789606U (en) * 2012-08-10 2013-03-13 格力电器(中山)小家电制造有限公司 Pitch trim compensator (PTC) rotating structure on cooling fan
CN202811417U (en) * 2012-08-01 2013-03-20 美的集团股份有限公司 Switching structure for cool air and warm air of fan
CN102997410A (en) * 2012-10-26 2013-03-27 欧普照明股份有限公司 Warm wind blower
CN204025153U (en) * 2014-06-09 2014-12-17 艾美特电器(深圳)有限公司 A kind of both cooling and heating fan
CN204704915U (en) * 2015-05-27 2015-10-14 刘颖 Bimodulus heating installation
CN205779807U (en) * 2016-05-31 2016-12-07 深圳市联创电器实业有限公司 Changes in temperature centrifugal blower electric fan
CN206330253U (en) * 2016-12-26 2017-07-14 广东绿岛风室内空气系统科技有限公司 A kind of warm-air drier of improvement air channel switching construction
CN107478047A (en) * 2017-09-20 2017-12-15 江门市科业电器制造有限公司 One kind blows ground machine
CN108386374A (en) * 2018-04-11 2018-08-10 苏州威士德电子有限公司 A kind of tower fan that blowing is warmed oneself dual-purpose
CN208765260U (en) * 2018-08-30 2019-04-19 江门市科业电器制造有限公司 A kind of heat blows ground machine and its heating device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202322B1 (en) * 1997-07-17 2001-03-20 Turner, Iv William Air dispensing and heating floor drying apparatus
US20040244962A1 (en) * 2003-04-25 2004-12-09 Takahiro Tokunaga Air-conditioning unit without air-mix door
CN201166456Y (en) * 2008-02-02 2008-12-17 佛山市富士宝电器科技有限公司 Drive mechanism of air conditioner fan heating body
CN101614426A (en) * 2009-07-22 2009-12-30 中山市耀升电器制造有限公司 A kind of changes in temperature wind automatic transfer equipment that on centrifugal air channel, designs
CN202811417U (en) * 2012-08-01 2013-03-20 美的集团股份有限公司 Switching structure for cool air and warm air of fan
CN202789606U (en) * 2012-08-10 2013-03-13 格力电器(中山)小家电制造有限公司 Pitch trim compensator (PTC) rotating structure on cooling fan
CN102997410A (en) * 2012-10-26 2013-03-27 欧普照明股份有限公司 Warm wind blower
CN204025153U (en) * 2014-06-09 2014-12-17 艾美特电器(深圳)有限公司 A kind of both cooling and heating fan
CN204704915U (en) * 2015-05-27 2015-10-14 刘颖 Bimodulus heating installation
CN205779807U (en) * 2016-05-31 2016-12-07 深圳市联创电器实业有限公司 Changes in temperature centrifugal blower electric fan
CN206330253U (en) * 2016-12-26 2017-07-14 广东绿岛风室内空气系统科技有限公司 A kind of warm-air drier of improvement air channel switching construction
CN107478047A (en) * 2017-09-20 2017-12-15 江门市科业电器制造有限公司 One kind blows ground machine
CN108386374A (en) * 2018-04-11 2018-08-10 苏州威士德电子有限公司 A kind of tower fan that blowing is warmed oneself dual-purpose
CN208765260U (en) * 2018-08-30 2019-04-19 江门市科业电器制造有限公司 A kind of heat blows ground machine and its heating device

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