Ventilation device

JP2025035101APending Publication Date: 2025-03-13MITSUBISHI ELECTRIC CORP
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Patent Information

Application Number
JP2023141908
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-01
Publication Date
2025-03-13

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Benefits of technology

【0008】 本開示によれば、送風部よりも高い位置に存在する高温領域を、当該送風部によって遮られることなく検出し、その高温領域に向けて送風することができる。

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Abstract

To provide a ventilation device capable of detecting a high-temperature area existing at a position higher than a ventilation unit without being blocked by the ventilation unit, and blowing air toward the high-temperature area.SOLUTION: A ventilation device 10 comprises: a ventilation unit 13 supported at an upper end of a support pillar 12 provided on a base 11 so as to be capable of swinging via a swing unit 14; a rotary unit 15 supported rotatably about a vertical axis relative to the base 11; and a sensor 16 that is provided on the rotary unit 15, and detects a temperature around the ventilation unit 13. The swing motion of the ventilation unit 13 and the rotation of the rotary unit 15 are performed independently of each other.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present disclosure relates to a blower device. [Background technology]

[0002] 2. Description of the Related Art Conventionally, there has been provided a blower device that blows air toward an object or a target area detected by an infrared sensor. Such a conventional blower device is disclosed in, for example, Patent Document 1. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Utility Model Application Publication No. 6-8796 Summary of the Invention [Problem to be solved by the invention]

[0004] The blower device disclosed in Patent Document 1 includes a blower unit including a fan and a support column that supports the blower unit so that the blower unit can oscillate. An infrared sensor is provided on the support column.

[0005] Here, there is a case where the air blowing device disclosed in Patent Document 1 is used to blow air toward a high-temperature area (e.g., a hot spot) near the ceiling of a room. In this case, since the infrared sensor is provided on a support that supports the air blowing unit, the air blowing unit may block detection of the upper part. For this reason, the infrared sensor may not be able to properly detect the high-temperature area that is located higher than the air blowing unit.

[0006] The present disclosure has been made to solve the above-mentioned problems, and aims to provide an air blowing device that can detect a high-temperature area that is located higher than the air blowing section without being obstructed by the air blowing section, and blow air toward that high-temperature area. [Means for solving the problem]

[0007] The blower device of the present disclosure comprises a blower section supported at the upper end of a pillar attached to a base so as to be capable of oscillating motion via a swivel section, a rotating section supported rotatably about a vertical axis relative to the base, and a sensor provided on the rotating section for detecting the temperature surrounding the blower section, and the swivel motion of the blower section and the rotation of the rotating section are each performed independently. Effect of the Invention

[0008] According to the present disclosure, a high temperature area that is located higher than the air blowing section can be detected without being blocked by the air blowing section, and air can be blown toward the high temperature area. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a front view of a blower according to a first embodiment. [Diagram 2] 1 is a side view of a blower according to a first embodiment. [Diagram 3] FIG. 1 is a plan view of a blower according to a first embodiment. [Figure 4] FIG. 2 is an enlarged view of a main part of FIG. [Diagram 5] 5A to 5C are plan views of the blower according to the second embodiment. [Figure 6] FIG. 11 is a diagram showing a state in which a blower device according to a third embodiment is installed indoors. [Figure 7] FIG. 7 is an enlarged view of a main part of FIG. 6. [Figure 8] FIG. 11 is a schematic configuration diagram of an air conditioning system according to a fourth embodiment. [Figure 9] FIG. 11 is a block diagram of an air conditioning system according to a fourth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings.

[0011] Embodiment 1 A blower 10 according to the first embodiment will be described with reference to Fig. 1 to Fig. 4. Fig. 1 is a front view of the blower 10 according to the first embodiment. Fig. 2 is a side view of the blower 10 according to the first embodiment. Fig. 3 is a plan view of the blower 10 according to the first embodiment. Fig. 4 is an enlarged view of a main part of Fig. 1.

[0012] The blower 10 according to the first embodiment shown in Fig. 1 is, for example, a circulator or an electric fan. The blower 10 is installed and used indoors.

[0013] As shown in FIGS. 1 to 4, the blower 10 includes a base 11, a support 12, a blower section 13, a swing section 14, a rotating section 15, and a sensor 16.

[0014] The base 11 is installed on a floor surface or the like inside a room. The base 11 is disk-shaped and has a sufficient size in the front-rear and left-right directions so that the blower 10 can stand independently stably. An operation unit 17 is provided on the upper surface of the base 11. The operation unit 17 is composed of various buttons, switches, etc. with which the user sets the operation of the blower 10.

[0015] The support pillar 12 is fixed to the upper surface of the base 11. The support pillar 12 is a columnar member that is elongated in the vertical direction. The support pillar 12 may have a lifting part for lifting the blower part 13 and the oscillating part 14, which will be described later, in the vertical direction.

[0016] The blower 13 is supported by the support 12 via a swinging portion 14. The blower 13 has a blower fan 13a, a fan guard 13b, and a motor cover 13c.

[0017] The blower fan 13a has a configuration in which multiple blades are arranged radially. The fan guard 13b is a mesh-like metal or resin member that covers the outside of the blower fan 13a. The motor cover 13c houses a fan motor (corresponding to the fan motor 47 described below). The rotating shaft of this fan motor is inserted into the center of the blower fan 13a. Therefore, the fan motor can adjust the rotation speed of the blower fan 13a. The higher the rotation speed of the blower fan 13a, the greater the amount of air blown by the blower fan 13a. The blowing direction is the direction in which airflow is blown out from the blower unit 13, and the direction of the rotation axis of the blower fan 13a corresponds to the blowing direction.

[0018] The oscillating unit 14 is a drive mechanism that oscillates the blower unit 13 in any direction. The oscillating unit 14 can position the oscillating movement of the blower unit 13 at any position. For example, the oscillating unit 14 is composed of a horizontal drive mechanism that oscillates the blower unit 13 horizontally left and right, and a vertical drive mechanism that oscillates the blower unit 13 vertically up and down, etc. The oscillating unit 14 can drive the horizontal drive mechanism and the vertical drive mechanism separately.

[0019] Rotating unit 15 is provided on the front side of base 11. An upper end of rotating unit 15 protrudes upward from the upper surface of base 11. As shown in Fig. 4, rotating unit 15 is supported on base 11 so as to be rotatable about a vertical axis. In blower device 10, the oscillating motion of blower unit 13 and the rotation of rotating unit 15 can be performed independently.

[0020] Sensor 16 detects the temperature around blower 30 in a non-contact manner. Sensor 16 can detect, for example, the position of a high-temperature area where the temperature is equal to or higher than a predetermined temperature, and the distance to the high-temperature area. As shown in FIG. 4, sensor 16 is attached to a recess 15a formed at the upper end of rotating part 15. Therefore, sensor 16 rotates integrally with rotating part 15 around a vertical axis. As a result, detection area S of sensor 16 can rotate around the vertical axis independently of the swinging motion of blower 13.

[0021] The detection area S of the sensor 16 is a vertically elongated rectangle when viewed from the front of the sensor, and is a 90-degree sector when viewed from the side of the sensor. Therefore, the sensor 16 can detect with high accuracy the temperature and position of a high-temperature area that exists at a position higher than the blower 13 in a space including the ceiling surface.

[0022] Therefore, in air blower 10, when sensor 16 detects the temperature and position of a high-temperature area that is located higher than blower unit 13, oscillating unit 14 causes blower unit 13 to oscillate according to the position. As a result, blower unit 13 faces the high-temperature area. Then, air blower 10 adjusts the air volume by controlling the rotation speed of blower fan 13a of blower unit 13 according to the distance from sensor 16 to the high-temperature area and the temperature of the high-temperature area, and blows air toward the high-temperature area. As a result, air blower 10 eliminates the high-temperature area and equalizes the temperature in the room.

[0023] As described above, the blower 10 according to the first embodiment includes the blower 13 supported at the upper end of the support 12 provided on the base 11 so as to be capable of swinging via the swing unit 14, the rotating unit 15 supported rotatably about a vertical axis with respect to the base 11, and the sensor 16 provided on the rotating unit 15 for detecting the temperature around the blower 13. The swinging motion of the blower 13 and the rotation of the rotating unit 15 are performed independently. Therefore, the blower 10 according to the first embodiment can detect a high-temperature area present at a position higher than the blower 13 without being blocked by the blower 13, and can blow air toward the high-temperature area.

[0024] Embodiment 2 Air blowing devices 20A, 20B, and 20C according to the second embodiment will be described with reference to Fig. 5. Figs. 5A to 5C are plan views of air blowing devices 20A, 20B, and 20C according to the second embodiment. In Figs. 5A to 5C, air blowing section 13 faces directly upward. Note that components having the same functions as those described in the first embodiment above are denoted by the same reference numerals, and description thereof will be omitted.

[0025] As shown in FIG. 5A, the blower 20A according to the second embodiment includes a base 11A. The base 11A is formed in a circular shape. The diameter of the base 11A is larger than the diameter of the blower 13. Therefore, when the blower 20A is viewed from directly above with the blower 13 facing directly upward, the outer periphery of the upper surface of the base 11A is an area that is not hidden by the blower 13, in other words, an area that does not overlap with the blower 13. The sensor 16 is disposed in that area. Therefore, the sensor 16 can detect the temperature and position of the high-temperature area that exists directly above the blower 13. As a result, the blower 20A can blow air toward the high-temperature area that exists directly above the blower 13.

[0026] As shown in FIG. 5B, the blower 20B according to the second embodiment includes a base 11B. The base 11B is formed in a rectangular shape. The length of each of the four sides of the base 11B is the same as the diameter of the blower 13. Therefore, when the blower 20B is viewed from directly above with the blower 13 facing directly upward, the four corners of the upper surface of the base 11B are areas that are not hidden by the blower 13, in other words, areas that do not overlap with the blower 13. The sensor 16 is disposed in that area. Therefore, the sensor 16 can detect the temperature and position of the high-temperature area that exists directly above the blower 13. As a result, the blower 20B can blow air toward the high-temperature area that exists directly above the blower 13.

[0027] As shown in FIG. 5C, the blower 20C according to the second embodiment includes a base 11C. The base 11C is formed in an elliptical shape. The major axis of the base 11C is larger than the diameter of the blower 13. Therefore, when the blower 20C is viewed from directly above with the blower 13 facing directly upward, one end side in the major axis direction on the upper surface of the base 11C is an area that is not hidden by the blower 13, in other words, an area that does not overlap with the blower 13. The sensor 16 is disposed in that area. Therefore, the sensor 16 can detect the temperature and position of the high-temperature area that exists directly above the blower 13. As a result, the blower 20C can blow air toward the high-temperature area that exists directly above the blower 13.

[0028] As described above, in air blowing devices 20A, 20B, and 20C according to the second embodiment, sensor 16 is disposed in an area that does not overlap with air blowing section 13 when viewed from directly above when air blowing section 13 faces directly upward. Therefore, air blowing devices 20A, 20B, and 20C according to the second embodiment can detect the temperature and position of the high-temperature area directly above air blowing section 13 using sensor 16. As a result, air blowing devices 20A, 20B, and 20C can blow air toward the high-temperature area directly above air blowing section 13.

[0029] Embodiment 3 The blower device 30 according to the third embodiment will be described with reference to Fig. 6 and Fig. 7. Fig. 6 is a diagram showing the blower device 30 according to the third embodiment installed in a room 37. Fig. 7 is an enlarged view of the main part of Fig. 6. Note that the same reference numerals are used for components having the same functions as those described in the first embodiment above, and the description thereof will be omitted.

[0030] 6 and 7, a blower 30 according to the third embodiment is provided in a room 37. The blower 30 is installed on a floor surface 37a of the room 37.

[0031] The rotating part 15 is provided so as to contact the outer edge of the upper surface of the base 11. Therefore, the detection area S of the sensor 16 provided on the rotating part 15 is a wide area in the vertical direction, extending from the floor surface 37a to the ceiling surface 37b of the room 37. As a result, the sensor 16 can detect the temperature of the floor surface 37a and the temperature of the ceiling surface 37b.

[0032] When the temperature difference between the floor surface 37a and the ceiling surface 37b is equal to or greater than a predetermined temperature difference, the air blower 30 blows air toward either the floor surface 37a or the ceiling surface 37b, whichever has a higher temperature. Therefore, the air blower 30 can eliminate temperature unevenness in the room 37 and make the temperature in the room 37 uniform.

[0033] As described above, in the blower 30 according to the third embodiment, the rotating part 15 is provided so as to be in contact with the outer edge of the upper surface of the base 11. Therefore, in the blower 30 according to the third embodiment, the detection area S of the sensor 16 can be a wide area in the vertical direction, such as from the floor surface 37a to the ceiling surface 37b of the room 37.

[0034] Embodiment 4 An air conditioning system according to the fourth embodiment will be described with reference to Fig. 8 and Fig. 9. Fig. 8 is a schematic configuration diagram of the air conditioning system according to the fourth embodiment. Fig. 9 is a block diagram of the air conditioning system according to the fourth embodiment. Note that components having the same functions as those described in the third embodiment above are denoted by the same reference numerals, and the description thereof will be omitted.

[0035] An air conditioning system according to a fourth embodiment shown in Fig. 8 has a blower 30 and an air conditioner 50 installed in the same room 37. In this case, the air conditioning system blows air from the blower 30 to an area not reached by air from the air conditioner 50. Although the air conditioning system according to the fourth embodiment uses the blower 30, any one of the blowers 10, 20A to 20C may be used.

[0036] As shown in Fig. 8, the blower 30 is installed on the floor surface 37a of the room 37. The air conditioner 50 is installed in the upper part of the room 37. The air conditioner 50 is installed at a position higher than the installation position of the blower 30. A shelf 61 and a beam 62 are also provided in the room 37. The shelf 61 is installed on the floor surface 37a. The beam 62 is provided so as to protrude downward from the ceiling surface 37b.

[0037] At this time, the shelf 61 and the beam 62 become obstacles to the air blown from the air conditioner 50. By providing the shelf 61 and the beam 62 in the room 37, a blind spot is generated on the opposite side of the shelf 61 and the beam 62 to the air conditioner 50. Therefore, there is a risk of a high temperature area being generated within the blind spot. The blower 30 is installed in advance on the opposite side of the shelf 61 and the beam 62 to the air conditioner 50.

[0038] When the sensor 16 detects the temperature and position of a high-temperature area occurring within its blind spot, the blower 30 blows air toward the high-temperature area. When the sensor 16 detects the temperature and position of a high-temperature area occurring within its blind spot, the air conditioner 50 blows air toward the blower section 13 of the blower 30. Therefore, the air blown from the blower section 13 has increased momentum due to the air blown from the air conditioner 50, efficiently eliminating the high-temperature area.

[0039] 9, the air conditioner 50 includes an air conditioning control device 51 and an imaging unit 52. The air conditioning control device 51 and the imaging unit 52 are connected to each other. The imaging unit 52 is attached facing the inside of the room 37 and is capable of capturing an image of the room 37.

[0040] The air conditioning control device 51 has an acquisition and transmission unit 51a and an air conditioning control unit 51b.

[0041] The acquisition / transmission unit 51a acquires captured image information related to an image captured by the imaging unit 52. The acquisition / transmission unit 51a also transmits the captured image information acquired from the imaging unit 52 to the air blowing control device 40, which will be described later.

[0042] The air conditioning control unit 51b controls the air conditioning of the air conditioner 50. When the air conditioning control unit 51b receives a control signal from the air blowing control device 40, it causes the air blowing unit 13 of the air blowing device 30 to blow air.

[0043] 9, the air blowing device 30 includes an air blowing control device 40, a rotation motor 46, a fan motor 47, and an oscillation motor 48. The air blowing control device 40 is connected to the sensor 16, the rotation motor 46, the fan motor 47, and the oscillation motor 48, respectively.

[0044] The rotation motor 46 is a motor for rotating the rotating unit 15. The fan motor 47 is a motor for rotating the blower fan 13a of the blower unit 13. The oscillating motor 48 is a motor for causing the oscillating unit 14 to perform an oscillating motion.

[0045] The airflow control device 40 includes a blind spot detection unit 41 , an airflow control unit 42 , and a transmission unit 43 .

[0046] The blind spot detection unit 41 acquires captured image information transmitted from the acquisition and transmission unit 51a of the air conditioning control device 51. The blind spot detection unit 41 detects the position of the blind spot when viewed from the air conditioner 50 in the room 37 based on the captured image information. For example, the blind spot detection unit 41 detects the shelf 61 and the beam 62 as obstacles, and determines the other side of the obstacles as the position of the blind spot. The blind spot detection unit 41 outputs blind spot position information related to the position of the blind spot to the air blow control unit 42. The blind spot detection unit 41 may be included in the air conditioning control device 51.

[0047] When the air blowing control unit 42 acquires blind spot position information from the blind spot detection unit 41, it controls the rotation motor 46 to acquire the temperature and position of the high temperature area in the blind spot from the sensor 16 facing the direction of the blind spot. The air blowing control unit 42 controls the fan motor 47 and the oscillating motor 48 based on the detection result of the sensor 16. Therefore, the air blowing unit 13 blows air toward the high temperature area in the blind spot. Furthermore, when the air blowing control unit 42 acquires blind spot position information from the blind spot detection unit 41, it controls the transmission unit 43.

[0048] The transmitter 43 transmits a control signal to the air conditioning control unit 51b of the air conditioning control device 51. The control signal is a signal that indicates that the air blown from the air conditioner 50 is to be changed to air blown toward the blower unit 13 of the blower device 30.

[0049] As described above, the air conditioning system according to the fourth embodiment includes a blind spot detection unit 41 that detects the position of a blind spot in the room 37 as seen from the air conditioner 50 based on the captured image information of the room 37 acquired from the imaging unit 52 of the air conditioner 50, an air blowing control unit 42 that, upon acquiring blind spot position information from the blind spot detection unit 41, controls the rotation motor 46 of the rotation unit 15 to acquire a detection result from the sensor 16 facing the direction of the blind spot, and then controls the fan motor 47 of the blower unit 13 and the swing motor 48 of the swing unit 14 based on the detection result, and a transmission unit 43 that, upon acquiring the blind spot position information, transmits a control signal for controlling the air conditioning control unit 51b of the air conditioner 50 to the air conditioning control unit 51b. Therefore, the air conditioning system according to the fourth embodiment can blow air from the blower device 30 to a high-temperature area that occurs in the position of a blind spot as seen from the air conditioner 50.

[0050] In addition, within the scope of the present disclosure, the embodiments may be freely combined, or any of the components in each embodiment may be modified, or any of the components in each embodiment may be omitted.

[0051] Various aspects of the present disclosure are summarized below as appendices.

[0052] (Appendix 1) A blower unit supported on an upper end of a support column provided on a base so as to be capable of swinging via a swing unit; A rotating part supported on the base so as to be rotatable around a vertical axis; a sensor provided in the rotating section for detecting a temperature around the blower section; The swinging motion of the blower and the rotation of the rotating part are performed independently of each other. A blower device characterized by:

[0053] (Appendix 2) The sensor includes: When the blower unit faces directly upward, the air conditioner is disposed in an area that does not overlap with the blower unit as viewed from directly above. 2. The blower device according to claim 1.

[0054] (Appendix 3) The rotating portion is provided so as to be in contact with the outer edge of the upper surface of the base. 3. The blower device according to claim 1 or 2.

[0055] (Appendix 4) a blind spot detection unit that detects the position of a blind spot in the room as seen from the air conditioner based on captured image information of the room acquired from an imaging unit of the air conditioner; an air blowing control unit that, when acquiring blind spot position information from the blind spot detection unit, controls a rotation motor of the rotation unit to acquire a detection result from the sensor facing the direction of the blind spot, and then controls a fan motor of the air blowing unit and an oscillating motor of the oscillating unit based on the detection result; a transmission unit that transmits a control signal for controlling an air conditioning control unit of the air conditioner when the air blowing control unit acquires the blind spot position information to the air conditioning control unit. The blower device according to any one of claims 1 to 3, [Explanation of symbols]

[0056] 10 blower, 11 base, 12 support, 13 blower section, 13a blower fan, 13b fan cover, 13c motor cover, 14 oscillating section, 15 rotating section, 15a recess, 16 sensor, 17 operation section, 20A, 20B, 20C blower, 11A, 11B, 11C base, 30 blower, 37 room, 37a floor surface, 37b ceiling surface, 40 blower control device, 41 blind spot detection section, 42 blower control section, 43 transmission section, 46 rotation motor, 47 fan motor, 48 oscillating motor, 50 air conditioner, 51 air conditioning control device, 51a acquisition and transmission section, 51b air conditioning control section, 52 imaging section, 61 shelf, 62 beam, S detection area.

Claims

1. A blower unit supported on an upper end of a support column provided on a base so as to be capable of swinging via a swing unit; A rotating part supported on the base so as to be rotatable around a vertical axis; a sensor provided in the rotating section for detecting a temperature around the blower section; The swinging motion of the blower and the rotation of the rotating part are performed independently of each other. A blower device characterized by:

2. The sensor includes: When the blower unit faces directly upward, the air conditioner is disposed in an area that does not overlap with the blower unit as viewed from directly above.

2. The blower device according to claim 1.

3. The rotating portion is provided so as to be in contact with the outer edge of the upper surface of the base.

2. The blower device according to claim 1.

4. a blind spot detection unit that detects the position of a blind spot in the room as seen from the air conditioner based on captured image information of the room acquired from an imaging unit of the air conditioner; an air blowing control unit that, when acquiring blind spot position information from the blind spot detection unit, controls a rotation motor of the rotation unit to acquire a detection result from the sensor facing the direction of the blind spot, and then controls a fan motor of the air blowing unit and an oscillating motor of the oscillating unit based on the detection result; a transmission unit that transmits a control signal for controlling an air conditioning control unit of the air conditioner when the air blowing control unit acquires the blind spot position information to the air conditioning control unit. The blower device according to any one of claims 1 to 3, characterized in that

Citation Information

Patent Citations

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