CN112840171A - Bathroom drier - Google Patents

Bathroom drier Download PDF

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Publication number
CN112840171A
CN112840171A CN201880098696.2A CN201880098696A CN112840171A CN 112840171 A CN112840171 A CN 112840171A CN 201880098696 A CN201880098696 A CN 201880098696A CN 112840171 A CN112840171 A CN 112840171A
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CN
China
Prior art keywords
light receiving
partition
receiving unit
infrared
partitions
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.)
Granted
Application number
CN201880098696.2A
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Chinese (zh)
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CN112840171B (en
Inventor
诹访宏幸
大和秀肇
竹居寿刚
本木一郎
渡边史吉
酒井洋司
丝鱼川康之
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of CN112840171A publication Critical patent/CN112840171A/en
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Publication of CN112840171B publication Critical patent/CN112840171B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/02Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in buildings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Drying Of Solid Materials (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A bathroom dryer is provided with an infrared sensor (51) and a cover (54) having an opening (60) partitioned into a grid shape by a plurality of partitions (71, 72) at a position facing a light receiving section (51a) of the infrared sensor (51). Among the plurality of spacers (71, 72), a part of the spacers (72) located at a position away from the center line (Lr) of the light receiving direction of the light receiving unit (51a) has an inclined surface (72a) inclined toward the light receiving unit (51 a).

Description

Bathroom drier
Technical Field
The present invention relates to a bathroom dryer having an infrared ray receiving section.
Background
The bathroom dryer is inserted into and attached to an opening of a ceiling, a wall, or a window of a bathroom to perform air conditioning such as ventilation, heating, and drying. This bathroom dryer may be provided with an infrared receiving unit that receives infrared rays from a remote controller, an infrared receiving unit that receives infrared rays emitted from a bathroom, and the like.
For example, patent document 1 discloses the following technique: the control device has a sensor for detecting the temperature in the bathroom by receiving infrared rays emitted from the surface of an object, and controls the bathroom dryer based on the temperature in the bathroom detected by the sensor.
Documents of the prior art
Patent document
Patent document 1: japanese laid-open patent publication (Kokai) No. 2015-194297
Disclosure of Invention
Problems to be solved by the invention
In a bathroom dryer provided with an infrared receiving section, depending on the structure of the bathroom dryer, the infrared receiving section is sometimes required to have an insulating property for preventing a person or the like from directly contacting the inside of the infrared receiving section. In this case, the infrared receiving unit can be made insulating by providing a grid in an opening for passing infrared rays formed in a cover of the infrared receiving unit, but the grid provided in the opening may cause a dead space in the receiving range, thereby degrading the receiving performance.
The present invention has been made in view of the above circumstances, and an object thereof is to obtain a bathroom dryer that can provide insulation to an infrared receiving section while suppressing a decrease in the receiving performance of the infrared receiving section.
Means for solving the problems
In order to solve the above problems and achieve the object, a bathroom dryer according to the present invention includes an infrared sensor and a cover having an opening partitioned into a lattice shape by a plurality of partitions at a position facing a light receiving portion of the infrared sensor. Some of the plurality of spacers located at positions away from a center line of a light receiving direction of the light receiving unit have inclined surfaces inclined toward the light receiving unit.
Effects of the invention
The bathroom dryer of the present invention has the effect of making the infrared receiving section insulating while suppressing a decrease in the receiving performance of the infrared receiving section.
Drawings
Fig. 1 is an external perspective view of a bathroom dryer according to embodiment 1 of the present invention.
Fig. 2 is a side view of the bathroom dryer of embodiment 1.
Fig. 3 is a front view of the bathroom dryer of embodiment 1.
Fig. 4 is a sectional view taken along line IV-IV shown in fig. 3.
Fig. 5 is a front view of the infrared receiving unit according to embodiment 1.
Fig. 6 is an enlarged view of a part of fig. 4.
Fig. 7 is a diagram showing another example of the infrared receiving unit according to embodiment 1.
Fig. 8 is a diagram showing another example of the structure of the grid of the infrared receiving unit according to embodiment 1.
Detailed Description
Hereinafter, a bathroom dryer according to an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiment.
Embodiment mode 1
Fig. 1 is an external perspective view of a bathroom dryer according to embodiment 1 of the present invention. Fig. 2 is a side view of the bathroom dryer of embodiment 1. Fig. 3 is a front view of the bathroom dryer of embodiment 1. In the drawings including fig. 1 to 3, a three-dimensional rectangular coordinate system including a Z axis in a positive direction in a vertical direction is illustrated for ease of understanding of the description.
The bathroom dryer 100 shown in fig. 1 to 3 is installed on the ceiling of a bathroom and is connected to a duct disposed to connect the rear surface of the ceiling and the outside of the bathroom. In fig. 1 to 3, the ceiling and the duct are not shown. In addition, the bathroom dryer 100 may be installed on a wall or a window of a bathroom.
As shown in fig. 1, a bathroom dryer 100 according to embodiment 1 includes: a box-shaped main body 1 forming an air passage; a panel portion 2 connected to the main body portion 1 and arranged on the bath chamber side; and a filter 3 attached to the panel portion 2. The main body 1 is inserted from the bathroom into the ceiling back through an opening provided in the ceiling, and is disposed on the ceiling back.
A sirocco fan 11, a damper 12, a heater 13, a fan motor 14, and the like, which are examples of a blower, are disposed inside the main body 1. Further, an air outlet 15 is provided in a side surface of the main body 1, and air introduced from the bathroom passes through the air outlet 15 as exhaust air discharged to the outside of the bathroom. The exhaust port 15 is connected to a duct disposed to connect the ceiling back surface and the outside.
The panel portion 2 is disposed in a state of being exposed from the ceiling surface of the bathroom. The panel portion 2 includes a panel base 20 connected to the main body portion 1 and a flat panel 30 connected to the panel base 20. The planar panel 30 covers the lower side of the panel base 20. The downward surface of the panel portion 2 is an exterior surface. As shown in fig. 1 and 3, an infrared receiving unit 50 for receiving infrared rays from a remote controller is provided on the external surface. The infrared receiving unit 50 will be described later.
The area of the panel base 20 facing the sirocco fan 11 is opened, and this opening is formed as a suction port 21. The suction port 21 allows air sucked from the bathroom into the main body 1 by the operation of the sirocco fan 11 to pass therethrough. In the panel base 20, a region facing the heater 13 is opened, and the opening is formed as a circulation port 22. The air heated by the heater 13 is blown out as circulating air from the circulation port 22 into the bathroom, and is supplied into the bathroom.
The operation modes of the bathroom dryer 100 include a ventilation operation mode in which air in the bathroom is exhausted to the outside, a heating operation mode in which the air in the bathroom is heated by the heater 13 and returned to the bathroom, and a drying operation mode in which a part of the air in the bathroom is ventilated and a part of the air is heated and returned to the bathroom.
The sirocco fan 11 shown in fig. 2 is rotated by the driving of the fan motor 14, and the air in the bathroom is sucked into the main body 1 through the suction port 21 by the rotation of the sirocco fan 11. The air sucked into the main body 1 by the sirocco fan 11 is sent to the shroud 12. The shutter 12 is driven by a shutter motor, not shown. The position of the flapper 12 is changed by the driving of the flapper motor. When the position of the baffle 12 is changed, the ratio of air supplied to the exhaust port 15 and the circulation port 22 is changed.
The position of the damper 12 is changed according to each of the ventilation operation mode, the heating operation mode, and the drying operation mode, and the air from the fan motor 14 is guided to the exhaust port 15 side and the circulation port 22 side at the position of the damper 12 corresponding to each operation mode. The air sent to the side of the exhaust port 15 passes through the exhaust port 15 and is sent to the outside through a duct. The air sent to the circulation port 22 side is heated by the heater 13 and returned to the bathroom.
The infrared receiving unit 50 will be specifically described below. Fig. 4 is a sectional view taken along line IV-IV shown in fig. 3. The infrared receiving unit 50 shown in fig. 4 receives infrared rays from a remote controller, not shown, which operates the operation of the bathroom dryer 100.
As shown in fig. 4, the infrared receiving unit 50 according to embodiment 1 includes: an infrared sensor 51 that receives infrared rays; a substrate 52 on which the infrared sensor 51 is mounted; a case 53 that fixes the substrate 52 and covers the substrate 52 from above in the positive Z-axis direction; a cover 54 covering the infrared sensor 51 and the substrate 52 from below in the Z-axis negative direction; and a design seal 55 adhered to the cover 54.
An opening 60 is formed in the cover 54 at a position facing the light receiving portion 51a of the infrared sensor 51. The infrared ray enters the inside of the infrared ray receiving unit 50 surrounded by the case 53 and the cover 54 through the opening 60 of the cover 54. The infrared sensor 51 receives infrared rays entering the infrared receiving unit 50 through the opening 60 by the light receiving unit 51a, and outputs an electric signal corresponding to the infrared rays received by the light receiving unit 51 a. The surface of the light receiving unit 51a is formed in a spherical shape, but may be formed in a planar shape.
The infrared sensor 51 includes a light receiving unit 51a, a circuit for converting an electric signal corresponding to the infrared light received by the light receiving unit 51a, and the like, but in fig. 4, the entire cross section of the infrared receiving unit 50 is hatched. Although not shown, the light receiving unit 51a includes a lens and a light receiving element that receives infrared rays condensed by the lens.
The infrared sensor 51 and the substrate 52 are covered with the cover 54 to which the outer seal 55 is attached and the case 53, and thus the infrared receiving section 50 has a waterproof structure in which water does not enter from the opening 60 formed in the cover 54. In addition, a lattice 70 is formed in the opening 60 of the cover 54. The grid 70 forms an insulating structure in the infrared receiving section 50 to prevent a person or the like from directly contacting the infrared sensor 51 located inside from the outside of the bathroom dryer 100. This can prevent, for example, an operator from coming into contact with infrared sensor 51 and substrate 52 through opening 60.
Fig. 5 is a front view of the infrared receiving unit according to embodiment 1, showing a state in which the outer seal 55 of the infrared receiving unit 50 is peeled. Fig. 6 is an enlarged view of a part of fig. 4.
As shown in fig. 5, the grid 70 includes a first partition 71 and a second partition 72, the first partition 71 having a cross shape with a center line Lr of the light receiving section 51a of the infrared sensor 51 as a center, and the second partition 72 being located at a position distant from the center line Lr. As shown in fig. 4, a center line Lr of the light receiving direction of the light receiving unit 51a is a direction in which the light receiving unit 51a faces, and is a direction passing through the center of the lens of the light receiving unit 51a, for example, a center direction of a range of arrival directions of infrared rays that can be received by the light receiving unit 51 a.
The first partition 71 has a first extension 71a and a second extension 71b that orthogonally intersect each other. The first extension 71a extends in the X-axis direction, and the second extension 71b extends in the Y-axis direction. The second partitions 72 are arranged symmetrically with respect to the first extension 71a, and extend parallel to the first extension 71a with a space therebetween. The opening 60 is a circular opening, but may be a square opening.
As shown in fig. 6, the second spacer 72 has a width W2 and a height H2 that are shorter than the lens diameter Φ 1 of the light receiving portion 51a, and has an inclined surface 72a that is inclined toward the light receiving portion 51 a. Similarly, the edge portion 56 of the cover 54 having the opening 60 has an inclined surface 56a inclined toward the light receiving portion 51 a.
Accordingly, even when viewed from the maximum reception angle θ max of the infrared sensor 51, the light receiving unit 51a can be seen without a part of the light receiving unit 51a being blocked by the second partition 72. Therefore, the infrared sensor 51 can receive infrared rays even when infrared rays of the remote controller arrive from the reception maximum angle θ max.
In this way, by adjusting the inclination shape of the second partition 72, the inclination shape of the edge portion 56, and the width W2 and the height H2 of the second partition 72, infrared rays of the remote controller can be received from all angles of the receivable range of the infrared ray receiving unit 50, and an operation by the remote controller can be performed without a blind spot in the receivable range.
Surfaces 71c and 71d of the first partition portion 71 facing the light receiving portion 51a are formed to be inclined toward the center of the light receiving portion 51 a. This makes it difficult for the first partition portion 71 to block infrared rays coming from between the first partition portion 71 and the second partition portion 72 at an angle with respect to the center line Lr, and makes them more likely to be received by the infrared sensor 51.
In the example shown in fig. 6 and the like, the inclined surface 56a is provided at the edge 56 of the cover 54, but the inclined surface 56a may not be provided at the edge 56 as long as the second partition 72 can be seen from all angles of the receivable range of the infrared ray receiving unit 50 and the infrared ray of the remote controller can be received. It should be noted that although it is preferable that the receiving range is completely free of blind spots, the infrared receiving unit 50 may be configured to reduce blind spots in the receiving range by adjusting the inclination shape of the second partition 72, the inclination shape of the edge portion 56, and the width W2 and the height H2 of the second partition 72.
As shown in fig. 6, the height H1 of the first partition 71 is higher than the height H2 of the second partition 72. In this way, by making the height H1 of the first partition 71 higher than the height H2 of the second partition 72, the strength of the first partition 71 in the height direction can be increased. The width W1 of the first divider 71 is shorter than the width W2 of the second divider 72, and does not substantially affect the receivable range of the infrared ray receiving unit 50.
The first partition portion 71 is formed in a cross shape, and the second partition portion 72 is connected to the second extension portion 71b so as to cross the second extension portion 71b of the first partition portion 71. Thus, the central portion of the second partition 72 is also supported by the edge portion 56 via the second extending portion 71b, and therefore, the second partition 72 is less likely to be broken than in the case where the first partition 71 is not provided.
Specifically, in the case where the second extending portion 71b of the first partition portion 71 is not provided, one end portion and the other end portion of the second partition portion 72 are connected to the edge portion 56, and when a load is applied to the second partition portion 72, the load of the moment starting from the connection portion of the second partition portion 72 and the edge portion 56 is large. On the other hand, the infrared ray receiving unit 50 has a first partition 71. Therefore, compared to the case without the second extending portion 71b, the load of the moment starting from the connecting portion between the second partition portion 72 and the edge portion 56 and the connecting portion between the second partition portion 72 and the second extending portion 71b of the first partition portion 71 is reduced. This makes the second partition 72 less likely to be broken.
The separation distance D1 shown in FIG. 6, which is the distance between the first extension 71a of the first partition 71 and the second partition 72, is 1-4 mm. When the separation distance D1 is too narrow, if the inclined surface 72a is formed in the second partition 72, the second partition 72 becomes thin, and it is difficult to secure the strength of the second partition 72. In addition, it is necessary to ensure insulation in a state where the design seal 55 is peeled off. If the separation distance D1 is too wide, the child can touch the infrared sensor 51 or the substrate 52 with a finger or a pen, but if the separation distance D1 is within 4mm, the child cannot easily touch the infrared sensor 51 or the substrate 52, and insulation can be ensured. The distance D2 between the second partition 72 and the edge 56 is also 1 to 4 mm.
The grid 70 is not limited to the above example. Fig. 7 is a diagram showing another example of the infrared receiving unit according to embodiment 1, and shows a cross-sectional view taken along the line IV-IV shown in fig. 3. In the example shown in fig. 7, a surface 72b of the second partition 72 facing the infrared sensor 51 is an inclined surface having the same inclination angle as the inclined surface 72 a. That is, the surface 72b of the second partition 72 is an inclined surface inclined toward the light receiving portion 51 a. This reduces the portion of the infrared ray from the remote controller that is blocked by the second partition 72, and the infrared ray from the remote controller can be more easily received by the infrared ray sensor 51.
In the above example, the number of the second partitions 72 is two, but the number of the second partitions 72 is not limited to two. Fig. 8 is a diagram showing another example of the structure of the grid of the infrared receiving unit according to embodiment 1, and is a front view of the infrared receiving unit 50. The lattice 70 shown in fig. 8 is composed of one first partition 71 and four second partitions 72.
The second partition 72 shown in fig. 8 is formed in the same manner as the second partition 72 shown in fig. 6 or the second partition 72 shown in fig. 7. In the grid 70 shown in fig. 8, the inclination angle of the inclined surface 72a may be configured to be smaller as the second partition 72 is farther from the first extension 71a of the first partition 71. In this case, the inclined surface 72a of each second partition 72 may be inclined toward the center of the light receiving unit 51a, for example. In the lattice 70 shown in fig. 8, similarly to the lattice 70 shown in fig. 6, the separation distance D1, which is the distance between the first extension 71a and the second partition 72 of the first partition 71, is 1 to 4 mm. The distance D2 between the second partition 72 and the edge 56 and the distance D3 between adjacent second partitions 72 are also 1 to 4mm, as is the separation distance D1.
In addition, although the above-described infrared receiving unit 50 receives a signal based on infrared rays from a remote controller, the infrared receiving unit 50 may be configured to receive infrared rays other than infrared rays from the remote controller. For example, the infrared receiving unit 50 may be configured to include an infrared sensor that detects the temperature in the bathroom by receiving infrared rays emitted from the surface of the object.
In the above example, the bathroom dryer 100 has the ventilation operation mode, the heating operation mode, and the drying operation mode as the operation modes, but the ventilation operation mode and the heating operation mode may not be provided.
As described above, the bathroom dryer 100 according to embodiment 1 includes the infrared sensor 51 and the cover 54, and the cover 54 has the opening 60 partitioned into a lattice shape by the first partition 71 and the plurality of second partitions 72 at a position facing the light receiving portion 51a of the infrared sensor 51. The second partition portions 72 are located away from the center line Lr in the light receiving direction of the light receiving portion 51a, and have inclined surfaces 72a inclined toward the light receiving portion 51 a. This can reduce or eliminate the dead angle of the reception range of the infrared receiving unit 50, and can provide the infrared receiving unit 50 with insulation while suppressing a decrease in the reception performance of the infrared receiving unit 50. Therefore, for example, when the power supply voltage of the bathroom dryer 100 is applied to the circuit of the infrared receiving unit 50, or when the voltage applied to the circuit of the infrared receiving unit 50 is low but the transformer that determines the voltage applied to the infrared receiving unit 50 is a transformer corresponding to basic insulation, the insulation can be ensured. Further, by forming the insulating structure as the grid 70, it is not necessary to provide a cover that transmits infrared rays with a separate member, and cost can be reduced.
The width W2 and the height H2 of the second spacer 72 are shorter than the lens diameter Φ 1 of the light-receiving portion 51 a. This can further reduce or eliminate dead spots in the reception range of the infrared receiving unit 50.
The first partition 71 is formed in a cross shape around a center line Lr of the light receiving direction of the light receiving unit 51a, and has a height higher than that of the second partition 72. The second partition 72 extends parallel to the first extension 71a, which is one extension of the first partition 71, and the middle portion is connected to the second extension 71b, which is the other extension of the first partition 71. Thus, when a load is applied to the second partition 72, the load applied to the connecting portion between the second partition 72 and another member due to the moment is reduced, and the strength of the lattice 70 can be improved. Further, even when a load is applied to the grid 70, such as when cleaning the infrared receiving section 50, when pressing the grid 70 strongly, or when an object hits the grid 70, breakage of the grid 70 can be suppressed, and therefore an insulating structure can be ensured.
In addition, the surfaces 71c and 71d of the first partition portion 71 facing the light receiving portion 51a are formed to be inclined toward the center of the light receiving portion 51 a. This can provide the infrared receiving unit 50 with insulation while further suppressing a decrease in the receiving performance of the infrared receiving unit 50.
In addition, the interval between adjacent partitions among the first partition 71 and the plurality of second partitions 72 is in the range of 1mm to 4 mm. Thus, even when an appearance sheet such as the appearance seal 55 is peeled off from the case 53, not only a finger of a person but also an object having a thickness of a pen cannot enter the gap of the grid 70, and insulation can be secured.
The configuration described in the above embodiment is an example of the contents of the present invention, and may be combined with other known techniques, and a part of the configuration may be omitted or modified within a range not departing from the gist of the present invention.
Description of the reference numerals
1 body part, 2 panel part, 3 filter, 11 multiblade fan, 12 baffle, 13 heater, 14 fan motor, 15 exhaust port, 20 panel base, 21, 40 suction port, 22 circulation port, 30 plane panel, 50 infrared receiving part, 51 infrared sensor, 51a light receiving part, 52 substrate, 53 housing, 54 cover, 55 appearance seal, 56 edge part, 56a, 72a inclined plane, 60 opening, 70 grid, 71 first partition part, 71a first extension part, 71b second extension part, 71c, 71d, 72b plane, 72 second partition part, 100 bathroom dryer, Lr central line.

Claims (5)

1. A bathroom dryer is characterized by comprising:
an infrared sensor; and
a cover having an opening partitioned into a lattice shape by a plurality of partitions at a position facing a light receiving part of the infrared sensor,
some of the plurality of spacers located at a position away from a center line of a light receiving direction of the light receiving unit have inclined surfaces inclined toward the light receiving unit.
2. The bathroom dryer of claim 1,
the width and height of the part of the partition are shorter than the lens diameter of the light receiving part.
3. Bathroom dryer according to claim 1 or 2,
the plurality of partitions have:
a first divider formed in a cross shape with a center line of a light receiving direction of the light receiving unit as a center; and
a plurality of second partitions as the partial partitions, extending in parallel with one of the extending portions of the first partitions, and having intermediate portions connected to the other extending portion of the first partitions,
the first partition part has a height higher than that of the second partition part.
4. The bathroom dryer of claim 3,
a surface of the first partition portion facing the light receiving portion is formed to be inclined toward a center of the light receiving portion.
5. Bathroom dryer according to any of claims 1 to 4,
adjacent partitions of the plurality of partitions are spaced apart from each other by a distance in a range of 1mm to 4 mm.
CN201880098696.2A 2018-10-19 2018-10-19 Bathroom drier Active CN112840171B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/039090 WO2020079849A1 (en) 2018-10-19 2018-10-19 Bathroom dryer

Publications (2)

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CN112840171A true CN112840171A (en) 2021-05-25
CN112840171B CN112840171B (en) 2022-09-09

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JP (1) JP6956898B2 (en)
CN (1) CN112840171B (en)
TW (1) TWI719444B (en)
WO (1) WO2020079849A1 (en)

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Publication number Publication date
CN112840171B (en) 2022-09-09
JPWO2020079849A1 (en) 2021-02-25
TWI719444B (en) 2021-02-21
TW202016471A (en) 2020-05-01
JP6956898B2 (en) 2021-11-02
WO2020079849A1 (en) 2020-04-23

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