CN103026142B - Ceiling-embedded ventilation fan - Google Patents

Ceiling-embedded ventilation fan Download PDF

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Publication number
CN103026142B
CN103026142B CN201280002153.9A CN201280002153A CN103026142B CN 103026142 B CN103026142 B CN 103026142B CN 201280002153 A CN201280002153 A CN 201280002153A CN 103026142 B CN103026142 B CN 103026142B
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CN
China
Prior art keywords
face
motor
type air
circuit box
embedded type
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.)
Active
Application number
CN201280002153.9A
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Chinese (zh)
Other versions
CN103026142A (en
Inventor
香川聪
林英树
角野太一
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP2011009652A external-priority patent/JP5633385B2/en
Priority claimed from JP2011012613A external-priority patent/JP5786123B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of CN103026142A publication Critical patent/CN103026142A/en
Application granted granted Critical
Publication of CN103026142B publication Critical patent/CN103026142B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0326Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022Centrifugal or radial fans

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Disclosed is a ceiling-embedded ventilation fan, wherein a connection opening is provided on a side surface of a circuit case, a canopy covers above the connection opening and the side surface of the circuit case, a bottom of the canopy is disposed on a position lower than insert holes of the connection opening, and an eddy plate is provided below the insert holes and is a descending slope from a side of the connection terminal toward a side of a power wire when the insert holes are viewed parallel to a top surface from an end surface of the canopy in a front view.

Description

Ceiling embedded type air exchange fan
Technical field
The present invention relates to a kind of ceiling embedded type air exchange fan.
Background technology
Existing ceiling embedded type air exchange fan utilizes wall portion to cover splicing ear with the immersion of reply from the water droplet of inside, roof, and the insert port (for example, referring to patent document 1) of splicing ear is set up in place inside.Below, with reference to Figure 14 ~ Figure 17, existing ceiling embedded type air exchange fan is described.
Figure 14 is the exploded perspective view of the structure of the existing ceiling embedded type air exchange fan represented disclosed in patent document 1, and Figure 15 is the stereogram of this ceiling embedded type air exchange fan.As shown in Figure 14, Figure 15, ceiling embedded type air exchange fan comprises: framework 103, motor 104, fan 105, housing 106, decoration panel 107, control circuit 108 and circuit box 109.
Framework 103 has the suction inlet 101 corresponding with the opening portion of ceiling below, has outlet 102 in side.Motor 104 is fixed on the end face of framework 103.Fan 105 is driven by motor 104.Housing 106 covers fan 105 around.Decoration panel 107 covers the lower aperture portion of framework 103 from side, room and is installed into the mode that can freely load and unload.Control circuit 108 is installed on the end face of framework 103, drive control motor 104.Circuit box 109 receives control circuit 108.
Figure 16 is the figure near the connection opening of the circuit box representing existing ceiling embedded type air exchange fan.The splicing ear 110 of connection control circuit 108 and power line 113 is provided with in the side of circuit box 109.Splicing ear 110 top is covered by cover cap 111, and place is inside attached to the insert port 112 of splicing ear 110.
As shown in figure 16, existing ceiling embedded type air exchange fan flows through from power line 113 bottom 114 that dew 115 attachment come remains in cover cap.Dew 115 is immersed into splicing ear 110 sometimes.
In addition, in patent document 2, represent the connector connection part being used for being connected with the control circuit of ceiling embedded type air exchange fan.Figure 17 is the exploded view of the dc motor representing in patent document 2 disclosed existing ceiling embedded type air exchange fan.As shown in figure 17, the connector connection part 157 be arranged in dc motor 155 is arranged abreast relative to the top board 116 shown in Figure 14.Connector connection part 157 is connected with the control circuit 108 shown in Figure 14.
In this existing ceiling embedded type air exchange fan, as shown in figure 14, the control circuit 108 controlling dc motor 155 is complicated and large, therefore, exists and cannot be arranged on problem such in the inner space of framework 103.And require the size reducing ceiling embedded type air exchange fan, therefore, the size on the end face of framework 103 narrows, and exists and is difficult to circuit box 109 to be arranged on problem such on end face.
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2010-164202 publication
Patent document 2: Japanese Unexamined Patent Publication 2010-164253 publication
Summary of the invention
Ceiling embedded type air exchange fan of the present invention comprises: framework, and it is by end face, side and form below, and has suction inlet below described, has outlet in described side, be fixed on the motor of described end face, by the fan that described motor drives, cover the housing of the surrounding of described fan, be arranged on described end face and the control circuit of motor described in drived control, with the circuit box of the described control circuit of storage, the connection opening of the splicing ear connecting described control circuit and power line is set in the side of described circuit box, the top of described connection opening and the side of described circuit box is covered with cover cap (canopy cover), the bottom of described cover cap is arranged on the position of the patchhole lower than described connection opening, when from the end face of described cover cap with the mode front of described top surface being parallel viewed from described patchhole time, dripping board (eddy plate) is provided with in the below of described patchhole, described dripping board from described splicing ear side to described power line side in having a down dip.
According to such structure, flow through the water drop contact dripping board come from power line, water droplet becomes the inclination flowing through greatly dripping board, flows to the end face of the framework of below.Therefore, prevent dew from immersing in power supply terminal.
In addition, ceiling embedded type air exchange fan of the present invention comprises: framework, and it is by end face, side and form below, and has suction inlet below described, has outlet in described side; Be fixed on the dc motor of described end face; By described direct current motor driven fan; Cover the blower-casting of the surrounding of described fan; Be arranged on described end face and the control circuit of dc motor described in drived control; With the circuit box of the described control circuit of storage, described dc motor has the connector connection part be connected with described control circuit, and described connector connection part is vertically upward arranged relative to described end face.
Connector connection part relative to framework end face vertically upward, therefore, insert connector time, downlink connection device is vertically towards end face.Therefore, the usable floor area on end face reduces, and circuit box is installed on end face.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the structure of the ceiling embedded type air exchange fan representing embodiments of the present invention 1.
Fig. 2 is the figure that the patchhole of the splicing ear of this ceiling embedded type air exchange fan is observed in front.
Fig. 3 is the figure of the inside representing this ceiling embedded type air exchange fan.
Fig. 4 is the figure representing the current that the power line along this ceiling embedded type air exchange fan flows.
Fig. 5 is the figure of the circuit box observing this ceiling embedded type air exchange fan from below.
Fig. 6 is the figure near the osculum of the circuit box representing this ceiling embedded type air exchange fan.
Fig. 7 is the exploded view of the structure of the ceiling embedded type air exchange fan representing embodiments of the present invention 2.
Fig. 8 is the top view of the structure representing this ceiling embedded type air exchange fan.
Fig. 9 is the figure of the connector connection part of the dc motor representing this ceiling embedded type air exchange fan.
Figure 10 is the stereogram of the dc motor of this ceiling embedded type air exchange fan.
Figure 11 is the exploded view of the structure of the circuit box representing this ceiling embedded type air exchange fan.
Figure 12 is the details drawing of the height of the connector connection part representing this ceiling embedded type air exchange fan.
Figure 13 is the stereogram of the internal structure of the circuit box representing this ceiling embedded type air exchange fan.
Figure 14 is the exploded perspective view of the structure representing existing ceiling embedded type air exchange fan.
Figure 15 is the stereogram of this ceiling embedded type air exchange fan.
Figure 16 is the figure near the connection opening of the circuit box of this ceiling embedded type air exchange fan.
Figure 17 is the exploded view of the dc motor representing this ceiling embedded type air exchange fan.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.
(embodiment 1)
Fig. 1 is the exploded perspective view of the structure of the ceiling embedded type air exchange fan representing embodiments of the present invention 1.Ceiling embedded type air exchange fan shown in Fig. 1 is imbedded and is arranged on the ceiling back side (not shown) in room.Ceiling embedded type air exchange fan comprises framework 3, motor 5, fan 6, housing 7, decoration panel 8, control circuit 9 and circuit box 10.Framework 3 comprises end face 4, side 23 and 24 below.Framework 3 24 has the suction inlet 1 corresponding with the opening portion of ceiling below, has outlet 2 in side 23.Motor 5 is fixed on the end face 4 of framework 3 by two screws, input direct-current electric current.Fan 6 multiple wing (sirocco) formula that drives by motor 5.Housing 7 covers fan 6 around.Decoration panel 8 covers suction inlet 1 from side, room and installs, and installs in the mode utilizing spring 21 freely to load and unload.Control circuit 9 is arranged on end face 4, and adjustment is applied to the voltage of motor 5, the rotating speed of drive control motor 5.Circuit box 10 receives control circuit 9.
Fig. 2 is the figure that the patchhole of the splicing ear of the ceiling embedded type air exchange fan of embodiments of the present invention 1 is observed in front, and Fig. 3 is the figure of the inside representing this ceiling embedded type air exchange fan.As shown in Figure 2 and Figure 3, be provided with in the side 25 of circuit box for the connection opening 13 of connection control circuit 9 with the splicing ear 12 of power line 11.The top of the connection opening 13 of U-shaped and the side 25 of circuit box cover by cover cap 14.The bottom 14a dual-purpose end face 4 of cover cap 14.Bottom 14a is attached to the position lower than the patchhole 15 of connection opening 13, at the below Existential Space 26 of cover cap 14.
The patchhole 15 of splicing ear 12 is provided with four, the speed of adjustment motor 5.When patchhole 15 is observed in front abreast with end face 4 from the end face 16 of cover cap 14, the below of patchhole 15 is provided with dripping board 17.Make its opposite side of Thickness Ratio in splicing ear 12 side of dripping board 17 thick, the gradient is set thus.That is, dripping board 17 from splicing ear 12 side to power line 11 side in having a down dip.
Fig. 4 is the figure of the current along power line flowing of the ceiling embedded type air exchange fan represented in embodiments of the present invention 1.As shown in Figure 4, when the dew 22 produced at the ceiling back side flows along power line 11, dew 22 contacts with dripping board 17, so water droplet increases.Dew 22 drops to end face 4 along the gradient flowing of dripping board 17, or is dropped in below, the i.e. end face 4 of cover cap 14.End face 4 is positioned at below compared with patchhole 15, and have distance each other, therefore, water can not arrive the height of patchhole 15, prevents water from immersing the inside of splicing ear 12.
Fig. 5 is the figure of the circuit box of the ceiling embedded type air exchange fan observing embodiments of the present invention 1 from below.As shown in Figure 2 and Figure 5, in the inside of cover cap 14, according to from the height of dripping board 17 towards the cover cap 14 of top so that the mode separated between patchhole 15 is attached to wall portion 18.That is, above connection opening 13 with the side 25 of circuit box the space 26 that covers by cover cap 14, be attached to wall portion 18 from the height of dripping board 17 towards cover cap 14.Wall portion 18 slightly arranges the gradient by making splicing ear 12 side than its opposite side.That is, in wall portion 18 from splicing ear 12 side to dripping board 17 side, be attached to the position between patchhole 15 and patchhole 15.In addition, the thickness of Thickness Ratio dripping board 17 side of splicing ear 12 side of wall portion 18 is thick.Consequently, when power line 11 is connected with splicing ear 12, the tip contact wall portion 18 of power line 11, the top of power line 11 is easy to be inserted in patchhole 15.That is, by arranging cover cap 14, be difficult to see patchhole 15, power line 11 is difficult to connect such problem and is solved.
Fig. 6 is the figure near the osculum of the circuit box of the ceiling embedded type air exchange fan representing embodiments of the present invention 1.As shown in Figure 6, in circuit box 10, the lower position of splicing ear 12 is provided with osculum 19.Rib 20 is formed according to the mode being updip to the inside of circuit box 10 from the outlet 19a of osculum 19.According to this structure, if the dew 22 produced in circuit box 10 inside becomes certain water yield, so, will be downward along rib 20, and externally drained by circuit box 10.In addition, the shipwreck of dripping from dripping board 17 to immerse circuit box 10, so, prevent the control circuit 9 of water loading in circuit box 10.
(embodiment 2)
Fig. 7 is the exploded view of the structure of the ceiling embedded type air exchange fan representing embodiments of the present invention 2.Ceiling embedded type air exchange fan shown in Fig. 7 is imbedded and is arranged on the ceiling back side in room.Ceiling embedded type air exchange fan comprises: framework 53, dc motor 55, centrifugal Air Blast fan 56, blower-casting 57, decoration panel 58, control circuit 59 and circuit box 60.In addition, the connector connection part 61 be connected with control circuit 59 is provided with at dc motor 55.Connector connection part 61 is arranged vertically upward relative to the end face 54 of framework 53.
Framework 53 comprises end face 54, side 83 and 84 below.In addition, framework 53 84 has the suction inlet 51 corresponding with the opening portion of ceiling below, has outlet 52 in side 83.Dc motor 55 is fixed on the end face 54 of framework 53.Centrifugal Air Blast fan 56 is driven by dc motor 55.Fan case 57 covers centrifugal Air Blast fan 56 around.Decoration panel 58 covers the lower aperture portion of framework 53 from room side, is arranged on framework 53 in the mode of freely loading and unloading.Control circuit 59 is arranged on end face 54, drived control dc motor 55.Circuit box 60 receives control circuit 59.
Fig. 8 is the top view of the structure of the ceiling embedded type air exchange fan representing embodiments of the present invention 2.As shown in Figure 8, dc motor 55 is provided with screw portion 62.According to jointing connector connecting portion 61 and the center of dc motor 55 line, configure screw portion 62 with the mode of line orthogonal in the screw portion 62 linking two places.Use two screws that dc motor 55 is fixed on end face 54 in screw portion 62.In addition, the mode formation control circuit 59 that surrounds to become U-shaped of the surrounding of dc motor 55.The connector portion 63 being arranged at control circuit 59 is configured near the connector connection part 61 of dc motor 55.
In addition, circuit box 60 is formed according to the shape same with control circuit 59.Two place's screw fixed parts 64 on the diagonal of end face 54 configure according to mode more outward compared with the profile of centrifugal Air Blast fan 56, use screw that circuit box 60 is fixed on end face 54.
In addition, dc motor 55 is installed sideling relative to the line part 65 of circuit box 60.Reduce the gap of circuit box 60 and dc motor 55 as much as possible, little from the projected area ratio's end face 54 during top view circuit box 60.In addition, be configured with at end face 54: the cover body 68 of the top of the connector 73 that connector connection part 61 and covering are connected with connector connection part 61.
The stereogram of Fig. 9 to be the figure of the connector connection part of the dc motor of the ceiling embedded type air exchange fan representing embodiments of the present invention 2, Figure 10 be dc motor of this ceiling embedded type air exchange fan.As shown in Fig. 9 and Figure 10, connector connection part 61 has: four connecting pins 66 arranged vertically upward relative to end face 54 and fastener 67 (in Fig. 9 shown in arrow).Use connecting pin 66 and fastener 67, the connector portion 63 of the control circuit 59 shown in Fig. 8 is connected with connector connection part 61.
Figure 11 is the exploded view of the structure of the circuit box of the ceiling embedded type air exchange fan representing embodiments of the present invention 2.As shown in figure 11, circuit box 60 is made up of lower box 69 and upper box 70.Lower box 69 is passed through the bottom fastener 71 be arranged in lower box 69 with upper box 70, is engaged and fix with the holding section, top 72 be arranged in upper box 70.Bottom fastener 71 and holding section, top 72 are arranged at the outside of circuit box 60.
Figure 12 is the details drawing of the height of the connector connection part of the ceiling embedded type air exchange fan representing embodiments of the present invention 2, and Figure 13 is the stereogram of the internal structure representing this ceiling embedded type air exchange fan.As shown in Figure 12 and Figure 13, cover body 68 and circuit box 60 share upper box 70 and sidewall 75, and form.In addition, cover body 68 has side surface part 76, and side surface part 76 is arranged in the mode of the surrounding surrounding the dc motor 55 shown in Figure 10.
In addition, make circuit box 60 identical with the height of cover body 68.In order to not apply excessive bending on the lead-in wire 74 of connector connection when the connection of connector 73, the height of circuit box 60 and cover body 68 is about 1.5 times of the height H of the root of end face 54 to lead-in wire 74 (shown in Figure 12).Herein, lead-in wire 74 exposes from connector 73.
According to this structure, connector connection part 61 is not towards horizontal direction relative to end face 54, but vertically upward.Therefore, when inserting connector 73, connector 73 is vertically towards end face 54, and the usable floor area on end face 54 reduces, so control circuit 59 can be arranged in the space on end face 54.
In addition, connector connection part 61 cover by cover body 68.Therefore, such as, even if dew drips from ceiling, dew also can be attached on cover body 68, and therefore, dew can not be attached to connector connection part 61.In addition, cover body 68 covers dc motor 55 around, and therefore, even if dew flows into beyond the top of dc motor 55, water also can not be attached to connector connection part 61.Consequently, creepage trace (tracking) etc. can not occur on electric connection part, security improves.
In addition, circuit box 60 and cover body 68 form.Lateral parts and the circuit box 60 of cover body 68 share, and therefore, unnecessary space is cut down.In addition, there is no the gaps such as joint, therefore, it is possible to the immersion of completely anti-sealing yet.
In addition, as shown in Figure 8, in the projected area of the ceiling embedded type air exchange fan seen from top, circuit box 60 is less than end face 54.Therefore, together pull down integratedly indoor by side and blower-casting 57 with end face 54 for dc motor 55.Consequently, easily pull down dc motor 55 when changing motor etc., maintainability improves.
In addition, the screw fixed part 64 of circuit box 60 is configured at position more outward compared with the profile of centrifugal Air Blast fan 56.Therefore, it is possible to prevent the screw of permanent circuit box 60 from contacting centrifugal Air Blast fan 56, so security improves.
In addition, as shown in figure 11, bottom fastener 71 and holding section, top 72 are arranged at the outside of circuit box 60.Therefore, it is possible to reduce the gap of dc motor 55 and circuit box 60, the usable floor area on end face 54 reduces.
In addition, as shown in figure 12, circuit box 60 forms identical height with cover body 68, and therefore, ester moulding becomes easy.In addition, circuit box 60 becomes smooth with the upper surface of cover body 68, so, can in the upper surface adhesive label of circuit box 60 and marking.
In addition, cover body 68 covers the connector 73 that is connected with connector connection part 61 and goes between 74 from top and side.Therefore, lead-in wire 74 can not be stung bad by mouse etc. at the ceiling back side, and electric leakage etc. can not occur, and security improves.
Industrial utilizability
Ceiling embedded type air exchange fan of the present invention is imbedded in ceiling and is used, and also can be widely used in the air conditioner be directly connected with power line.
Symbol description
1,51 suction inlets
2,52 outlets
3,53 frameworks
4,54 end faces
5 motor
6 fans
7 housings
8,58 decoration panels
9,59 control circuits
10,60 circuit box
11 power lines
12 splicing ears
13 connection opening
14 cover caps
Bottom 14a
15 patchholes
16 end faces
17 dripping boards
18 wall portion
19 osculums
19a exports
20 ribs
21 springs
23,83 sides
24, below 84
The side of 25 circuit box
55 dc motors
56 centrifugal Air Blast fans
57 blower-castings
61 connector connection parts
62 screw portions
63 connector portions
64 screw fixed parts
65 line parts
66 connecting pins
67 fasteners
68 cover bodies
69 lower box
70 upper box
71 bottom fasteners
72 holding section, tops
73 connectors
74 lead-in wires
75 sidewalls
76 side surface part

Claims (4)

1. a ceiling embedded type air exchange fan, is characterized in that, comprising:
Framework, it is by end face, side and form below, and has suction inlet below described, has outlet in described side;
Be fixed on the motor of described end face;
By the fan that described motor drives;
Cover the housing of the surrounding of described fan;
Be arranged on described end face and the control circuit of motor described in drived control; With
Receive the circuit box of described control circuit,
The connection opening of the splicing ear connecting described control circuit and power line is set in the side of described circuit box, the top of described connection opening and the side of described circuit box is covered with cover cap, the bottom of described cover cap is arranged on the position of the patchhole lower than described connection opening, when from the end face of described cover cap with the mode front of described top surface being parallel viewed from described patchhole time, the below of described patchhole is provided with dripping board, described dripping board from described splicing ear side to described power line side in having a down dip.
2. ceiling embedded type air exchange fan as claimed in claim 1, is characterized in that:
With the space covered by described cover cap of the side of described circuit box above described connection opening, from described splicing ear side to described dripping board side, position from the height of described dripping board to described cover cap between described patchhole and described patchhole is provided with wall portion, and the Thickness Ratio of described wall portion in described splicing ear side is thick at the thickness of described dripping board side.
3. ceiling embedded type air exchange fan as claimed in claim 1 or 2, is characterized in that:
Be formed with osculum at described circuit box, be formed with the rib in updip from the inside being exported to described circuit box of described osculum.
4. a ceiling embedded type air exchange fan, is characterized in that, comprising:
Framework, it is by end face, side and form below, and has suction inlet below described, has outlet in described side;
Be fixed on the dc motor of described end face;
By described direct current motor driven fan;
Cover the blower-casting of the surrounding of described fan;
Be arranged on described end face and the control circuit of dc motor described in drived control; With
Receive the circuit box of described control circuit,
Described dc motor has the connector connection part be connected with described control circuit, described connector connection part is vertically upward arranged relative to described end face and described ceiling embedded type air exchange fan has the cover body covered with the top of the connector being connected to described connector connection part by described connector connection part, and described cover body and described circuit box form.
CN201280002153.9A 2011-01-20 2012-01-19 Ceiling-embedded ventilation fan Active CN103026142B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011-009652 2011-01-20
JP2011009652A JP5633385B2 (en) 2011-01-20 2011-01-20 Recessed ceiling ventilation fan
JP2011-012613 2011-01-25
JP2011012613A JP5786123B2 (en) 2011-01-25 2011-01-25 Recessed ceiling ventilation fan
PCT/JP2012/000292 WO2012098882A1 (en) 2011-01-20 2012-01-19 Ceiling-embedded ventilation fan

Publications (2)

Publication Number Publication Date
CN103026142A CN103026142A (en) 2013-04-03
CN103026142B true CN103026142B (en) 2015-05-20

Family

ID=46515517

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280002153.9A Active CN103026142B (en) 2011-01-20 2012-01-19 Ceiling-embedded ventilation fan

Country Status (3)

Country Link
US (1) US20130143481A1 (en)
CN (1) CN103026142B (en)
WO (1) WO2012098882A1 (en)

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