Air blowing device and air blowing system
The blower device integrates a power supply box and communication device to enhance wireless communication performance, addressing the lack of effective communication in existing blowers.
Patent Information
- Application Number
- JP2024086642
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-12-10
AI Technical Summary
Existing blowers lack effective communication functionality and performance.
A blower device comprising a power supply box, power connection terminals, a blower, an arm, a power supply unit, a communication device, and a control device, with a metal power supply box allowing radio waves to pass through, enhancing wireless communication.
Improves communication performance by enabling wireless communication using radio waves.
Smart Images
Figure 2025179716000001_ABST
Abstract
Description
[Technical Field]
[0001] The present disclosure relates generally to a blower and a blower system, and more particularly to a blower including a blower and a blower system including a blower. [Background technology]
[0002] An example is a fluid transporting device (air blowing device) described in Patent Document 1. The fluid transporting device described in Patent Document 1 ejects a transported fluid such as a gas or liquid from an ejection part into a space, and transports the fluid locally to a destination location away from the ejection part while suppressing diffusion. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] International Publication No. 2014 / 017208 Summary of the Invention [Problem to be solved by the invention]
[0004] It is desirable for a blower device such as the fluid transporting device described in Patent Document 1 to be provided with a communication function, and in this case, it is also desirable to improve the communication performance.
[0005] An object of the present disclosure is to provide a blower device and a blower system that can improve communication performance. [Means for solving the problem]
[0006] A blower device according to one aspect of the present disclosure includes a box-shaped power supply box, a power connection terminal, a blower, an arm, a power supply unit, a communication device, and a control device. The power supply box has a first wall and a second wall. The power connection terminal is disposed on the first wall of the power supply box. The blower generates an airflow. The arm is attached to the second wall of the power supply box and holds the blower. The power supply unit is disposed within the power supply box and converts first power from the power connection terminal into second power. The communication device has an antenna and is disposed within the power supply box, and performs wireless communication using radio waves as a medium. The control device is disposed within the power supply box and controls the blower. The material of the power supply box includes metal. The second wall of the power supply box has an opening that allows the radio waves to pass through.
[0007] The air blowing system according to one aspect of the present disclosure includes the air blower and a wiring duct rail. The wiring duct rail supplies power to the power supply connection terminal of the air blower. The wiring duct rail has a power supply unit and a support unit. The power supply unit is electrically connected to the power supply connection terminal. The support unit supports the power supply box of the air blower. [Effects of the Invention]
[0008] According to one aspect of the present disclosure, communication performance can be improved. [Brief explanation of the drawings]
[0009] [Figure 1] FIG. 1 is a perspective view of an air blowing system including an air blowing device according to an embodiment. [Figure 2] FIG. 2 is a block diagram of the blower device. [Figure 3] FIG. 3 is a top view of the power supply box of the blower device. [Figure 4] FIG. 4 is a bottom view of the power supply box of the blower. [Figure 5]FIG. 5 is a perspective view of a board on which a power supply device, a communication device, and a control device of the blower device are arranged. [Figure 6] FIG. 6 is an exploded perspective view of the blower of the blower device. [Figure 7] FIG. 7 is a cross-sectional view of the blower of the blower device. [Figure 8] FIG. 8 is an explanatory diagram illustrating the direction of airflow from the blower of the blower device. [Figure 9] FIG. 9 is another explanatory view illustrating the blowing direction of the blower of the blower device. [Figure 10] FIG. 10 is a cross-sectional view of a wiring duct rail of the above ventilation system. [Figure 11] FIG. 11 is an explanatory diagram illustrating a method for installing the above air blowing system. [Figure 12] FIG. 12 is another explanatory view illustrating a method of installing the above air blowing system. [Figure 13] FIG. 13 is another explanatory view illustrating a method for installing the above air blowing system. DETAILED DESCRIPTION OF THE INVENTION
[0010] Hereinafter, a blower system including a blower device according to an embodiment will be described with reference to the drawings. The figures described in the following embodiments are schematic diagrams, and the ratios of the sizes and thicknesses of the components do not necessarily reflect the actual dimensional ratios. Furthermore, the configurations described in the following embodiments are merely examples of the present disclosure. The present disclosure is not limited to the following embodiments, and various modifications are possible depending on the design, etc., as long as the effects of the present disclosure can be achieved.
[0011] In the following description, unless otherwise specified, directions are indicated by arrows in the drawings. The first direction D1, second direction D2, and third direction D3 are defined as the front-rear direction, left-right direction, and up-down direction of the power supply box in the blower device of the embodiment. However, the front-rear direction, left-right direction, and up-down direction are used for convenience to help understand the description of the embodiment, and do not define the directions when using the blower device of the embodiment. Furthermore, the arrows indicating "D1," "D2," and "D3" in the drawings are merely shown for the purpose of explanation and do not have any physical substance.
[0012] Hereinafter, an air blowing system B1 including an air blowing device A1 according to an embodiment will be described with reference to FIGS.
[0013] (1) Ventilation system 1, the air blowing system B1 includes an air blowing device A1 and a wiring duct rail 91. The wiring duct rail 91 supplies power to the air blowing device A1.
[0014] The air blower A1 is used for space zoning in facilities such as office buildings. Space zoning is air zoning, and means creating an air environment in a specific area within a target space without creating physical barriers such as walls or partitions. The target space is, for example, a free address office space within an office building. Details of the wiring duct rail 91 will be described later.
[0015] (2) Blower 1, the fan device A1 includes a power supply box 7, a plurality of power connection terminals 70 (see FIG. 3), a fan 1, an arm 12, a power supply device 16 (see FIGS. 2 and 5), and a communication device 18 (see FIGS. 2 and 5). The fan device A1 also includes a control device 17 (see FIG. 2), a substrate 19 (see FIG. 5), a transmission section 14, a first mounting section 61 (see FIG. 3), and a second mounting section 62 (see FIG. 3). As shown in FIG. 3, the plurality of power connection terminals 70 include a first power connection terminal 70a and a second power connection terminal 70b.
[0016] 2, the power supply box 7 houses a power supply device 16, a communication device 18, a control device 17, and a board 19. Note that the illustration of the board 19 is omitted in FIG.
[0017] As shown in FIG. 1, the power supply box 7 is box-shaped (e.g., rectangular parallelepiped). The power supply box 7 is made of, for example, metal. The power supply box 7 has at least a first wall 8 (see FIG. 3) and a second wall 9 (see FIGS. 1 and 4). The first wall 8 and the second wall 9 are, for example, arranged to face each other. More specifically, the first wall 8 of the power supply box 7 is, for example, arranged upward in the vertical direction (third direction D3) of the power supply box 7. The second wall 9 of the power supply box 7 is, for example, arranged downward in the vertical direction of the power supply box 7. In short, in this embodiment, the first wall 8 of the power supply box 7 is the upper wall of the power supply box 7, and the second wall 9 of the power supply box 7 is the lower wall of the power supply box 7.
[0018] As shown in FIG. 1, the power supply box 7 is attached to the wiring duct rail 91 via a first attachment portion 61 (see FIG. 3) and a second attachment portion 62 (see FIG. 3). The first attachment portion 61 and the second attachment portion 62 are disposed on a first wall 8 of the power supply box 7. An arm 12 is disposed on a second wall 9 of the power supply box 7.
[0019] 2 converts a first power (e.g., AC power) into a second power (e.g., DC power). The power supply device 16 is, for example, an AC / DC converter. The power supply device 16 supplies the second power to, for example, the communication device 18, the control device 17, and the fan 1.
[0020] The communication device 18 performs wireless communication using radio waves as a medium. As shown in FIG. 5, the communication device 18 includes an antenna 18a and an RFIC (Radio Frequency Integrated Circuit) 18b. The antenna 18a is, for example, a so-called meander line antenna made of a meander-structured conductor (copper foil) formed on one surface of an insulating substrate. The antenna 18a has, for example, a rectangular shape in a plan view. However, the antenna 18a is not limited to a meander line antenna.
[0021] For example, RFIC 18b transmits information contained in a signal (wireless communication signal) received by antenna 18a to control device 17 (see FIG. 2). RFIC 18b also transmits, for example, a wireless communication signal containing information received from control device 17 from antenna 18a. RFIC 18b is disposed, for example, near antenna 18a. Note that control device 17 is not visible in FIG. 5.
[0022] 2, the control device 17 controls the fan 1, the power supply device 16, and the communication device 18. The control device 17 is realized, for example, by a computer system having one or more processors and one or more memories. That is, the functions of the control device 17 are realized by the one or more processors executing a program stored in the memory. The program may be pre-stored in the memory, or may be provided via a telecommunications line such as the Internet, or may be recorded on a non-transitory recording medium such as a memory card and provided.
[0023] As shown in Fig. 5, for example, a power supply device 16, a communication device 18, and a control device 17 are arranged on the substrate 19. The substrate 19 is, for example, a printed wiring board. The substrate 19 is plate-shaped (for example, a rectangular plate-shaped). The substrate 19 is, for example, rectangular in plan view. The power supply device 16 and the communication device 18 are arranged on a first surface (for example, the front surface) of the substrate 19. The control device 17 is arranged on a second surface (for example, the back surface) of the substrate 19.
[0024] The board 19 is disposed inside the power feed box 7. That is, the power supply device 16, the communication device 18, and the control device 17 are disposed inside the power feed box 7. The board 19 is disposed inside the power feed box 7 so as to be parallel to, for example, one surface (inner surface) of the second wall 9 of the power feed box 7. More specifically, the board 19 is disposed so as to have, for example, a first surface facing the second wall 9 of the power feed box 7 and a second surface facing the first wall 8 of the power feed box 7.
[0025] 5, the power supply device 16 is disposed on the first surface of the substrate 19 at a rear end 104 in the front-to-rear direction (first direction D1) of the power supply box 7. That is, the power supply device 16 is disposed within the power supply box 7 at a rear end 102 (see FIG. 1) in the front-to-rear direction of the power supply box 7.
[0026] As shown in Fig. 5, communication device 18 is disposed on the first surface of substrate 19 at front end 103 in the front-rear direction of power feed box 7. That is, communication device 18 is disposed inside power feed box 7 at front end 101 in the front-rear direction of power feed box 7 (see Fig. 1). Antenna 18a is disposed on the first surface of substrate 19 along the left-right direction of power feed box 7 (second direction D2). That is, antenna 18a is disposed inside power feed box 7 along the left-right direction of power feed box 7.
[0027] The substrate 19 is fixed to a mounting plate 85 via, for example, a plurality of spacers 81 to 84 (four in the example of FIG. 5). The substrate 19 is provided with a plurality of through holes 19a to 19d (four in the example of FIG. 5). The plurality of spacers 81 to 84 are inserted into the plurality of through holes 19a to 19d, respectively. The plurality of spacers 81 to 84 are fixed to the mounting plate 85. The mounting plate 85 is plate-shaped (for example, rectangular plate-shaped). The mounting plate 85 has, for example, a rectangular shape in a plan view. The mounting plate 85 is made of, for example, metal. The mounting plate 85 is disposed, for example, parallel to the substrate 19 and is larger than the substrate 19. The mounting plate 85 is fixed, for example, within the power supply box 7.
[0028] The fan 1 shown in Fig. 1 generates an airflow. The airflow generated by the fan 1 (the airflow blown out from the fan 1 into the target space) is a jet flow, and is a directional airflow that travels in a straight line. As shown in Fig. 6, for example, the fan 1 has a cylindrical body 2, a fan 3, and a straightening device 11. The airflow is a flow of gas (for example, air).
[0029] The details of the fan 1 will be described below with reference to FIGS.
[0030] The cylindrical body 2 is, for example, cylindrical. The material of the cylindrical body 2 is, for example, metal. The cylindrical body 2 has an inner circumferential surface (inner side) 27 and an outer circumferential surface (outer side) 28 opposite the inner circumferential surface 27. The cylindrical body 2 has a gas inlet 23 at a first end 21 and a gas outlet (exhaust port) 24 at a second end 22.
[0031] The fan 3 is, for example, an electric axial fan. The fan 3 is disposed within the cylindrical body 2. More specifically, the fan 3 is disposed within the cylindrical body 2 so that the central axis 30 of the fan 3 coincides with the central axis 20 of the cylindrical body 2. The fan 3 includes, for example, a rotor 31, a plurality of blades (rotor blades) 32, a cylindrical fan housing 33, and a motor 36. The rotor 31, the plurality of blades 32, and the fan housing 33 are made of, for example, resin.
[0032] The rotor 31 is configured to be rotatable around the central axis 30 of the fan 3. The rotor 31 is, for example, cylindrical with a bottom. The rotor 31 has, for example, a cylindrical portion 311, a bottom wall 312, and a boss portion 313. The rotor 31 is arranged inside the cylindrical body 2 so that the central axis of the cylindrical portion 311 coincides with the central axis 30 of the fan 3. The rotor 31 is also arranged so that the bottom wall 312 is on the air inlet 23 side of the cylindrical body 2. The boss portion 313 is, for example, annular. The boss portion 313 protrudes from the center of the bottom wall 312 toward the air outlet 24 side of the cylindrical body 2.
[0033] The blades 32 are connected to the rotor 31, for example, and protrude from the outer peripheral surface 316 of the rotor 31 toward the inner peripheral surface 333 of the fan housing 33. In other words, the blades 32 protrude from the outer peripheral surface 316 of the rotor 31 toward the inner peripheral surface 27 of the cylindrical body 2. The blades 32 are disposed between the rotor 31 and the fan housing 33, and rotate together with the rotor 31.
[0034] The fan housing 33 rotatably houses the rotor 31 and the plurality of blades 32. The outer diameter of the fan housing 33 is, for example, the same as the inner diameter of the cylindrical body 2. The fan housing 33 is, for example, fixed to the cylindrical body 2.
[0035] The motor 36 rotates the rotor 31. The motor 36 is, for example, a DC motor. The motor 36 is electrically connected to, for example, the control device 17 (see FIG. 2). The motor 36 has, for example, a motor body 361 and a rotary shaft 362 that partially protrudes from the motor body 361. The rotary shaft 362 is fixed to a boss portion 313 of the rotor 31.
[0036] The fan 3 blows gas from the air intake port 23 of the cylindrical body 2 to the air outlet 24 of the cylindrical body 2. More specifically, the fan 3 moves the gas that has flowed into the fan housing 33 while rotating it in a spiral around the rotor 31, and blows the gas to the air outlet 24 of the cylindrical body 2.
[0037] The rectifier 11 rectifies the airflow swirled by the fan 3. The rectifier 11 is disposed inside the cylindrical body 2. More specifically, the rectifier 11 is disposed between the fan 3 and the air outlet 24 of the cylindrical body 2. The rectifier 11 has a first rectifier 4 and a second rectifier 5.
[0038] The first straightening device 4 is located between the fan 3 and the air outlet 24 of the cylindrical body 2 in the direction along the central axis 20 of the cylindrical body 2, and redirects the airflow swirled by the fan 3. The material of the first straightening device 4 is, for example, metal.
[0039] The first straightening device 4 has a cylindrical tubular portion 41 and a plurality of fins (stator vanes) 42. The first straightening device 4 is disposed inside the tubular body 2 such that the central axis 40 of the tubular portion 41 coincides with the central axis 20 of the tubular body 2. The outer diameter of the tubular portion 41 is, for example, the same as the inner diameter of the tubular body 2. The inner diameter of the tubular portion 41 is, for example, the same as the inner diameter of the fan housing 33. The multiple fins 42 protrude from an inner circumferential surface 413 of the tubular portion 41 toward the central axis 40 of the tubular portion 41 and are aligned in a direction along the inner circumferential surface 413 of the tubular portion 41. Each fin 42 is disposed between the inner circumferential surface 413 of the tubular portion 41 and the central axis 40 of the tubular portion 41, and is parallel to the direction along the central axis 40 of the tubular portion 41.
[0040] The first rectifier 4 also has a plurality of flow paths 45. Each flow path 45 is surrounded by two adjacent fins 42 out of the plurality of fins 42 and the cylindrical portion 41.
[0041] The second rectifier 5 is located between the first rectifier 4 and the air outlet 24 of the cylindrical body 2 in the direction along the central axis 20 of the cylindrical body 2, and aligns the direction of the airflow along the central axis 20 of the cylindrical body 2. The material of the second rectifier 5 is, for example, resin. The second rectifier 5 has a plurality of flow paths 55 in the direction along the central axis 20 of the cylindrical body 2. Each flow path 55 has a gas inlet 551 and a gas outlet (exhaust port) 552. The air inlet 551 and the air outlet 552 of each flow path 55 have, for example, the same shape and the same size.
[0042] The second straightening device 5 has, for example, a straightening grid 50 and a cylindrical (e.g., cylindrical) tubular portion 51. The second straightening device 5 is disposed within the tubular body 2 such that the central axis 52 of the tubular portion 51 coincides with the central axis 20 of the tubular body 2. The straightening grid 50 includes a plurality of partition plates 56. Each partition plate 56 is configured to separate two adjacent flow paths 55 from the plurality of flow paths 55. Each partition plate 56 is plate-shaped (e.g., rectangular plate-shaped). The multiple partition plates 56 are disposed parallel to the direction along the central axis 52 of the tubular portion 51. The straightening grid 50 has a honeycomb grid shape, as shown in FIG. 6, for example. The tubular portion 51 surrounds the straightening grid 50. In other words, the tubular portion 51 houses the straightening grid 50. The outer diameter of the tubular portion 51 is, for example, the same as the inner diameter of the tubular body 2.
[0043] As shown in FIG. 8, for example, arm 12 holds fan 1 so that the direction of the airflow generated by fan 1 is variable. Arm 12 is attached to second wall 9 of power supply box 7. Arm 12 is made of, for example, metal. Arm 12 has, for example, a first arm 12a and a second arm 12b. First arm 12a is, for example, rod-shaped (for example, round bar-shaped). Second arm 12b is, for example, rod-shaped (for example, round bar-shaped).
[0044] First arm 12a and second arm 12b are connected by connector 13. A first end of first arm 12a is attached to second wall 9 of power supply box 7. A second end of first arm 12a is attached to a first end of second arm 12b via connector 13. A second end of second arm 12b is fixed to cylinder body 2 of blower 1.
[0045] The second wall 9 of the power supply box 7 has a holding portion 29 that holds the arm 12 (more specifically, the first arm 12a). The holding portion 29 includes a through hole 10a through which a first end of the first arm 12a is inserted. As shown in FIG. 4 , the holding portion 29 (more specifically, the through hole 10a of the holding portion 29) is disposed on the second wall 9 of the power supply box 7 at a rear end 108 in the front-to-rear direction (first direction D1) of the power supply box 7. In other words, the holding portion 29 is disposed on the rear end 108 of the second wall 9 of the power supply box 7 on the side where the power supply device 16 is disposed within the power supply box 7. The holding portion 29 (more specifically, the through hole 10a of the holding portion 29) is disposed on the second wall 9 of the power supply box 7 at a central portion in the left-to-right direction (second direction D2) of the power supply box 7. It should be noted that the "central part of the power supply box 7 in the left-right direction" is not limited to the central part of the power supply box 7 in the left-right direction, but also includes, for example, the central part of the power supply box 7 in the left-right direction, and also includes, for example, the remaining part of the power supply box 7 excluding both end parts in the left-right direction.
[0046] Holding unit 29 holds arm 12 so that first arm 12a rotates. More specifically, holding unit 29 holds arm 12 so that first arm 12a rotates around the axis (center axis) of first arm 12a. This allows blower 1 to rotate in the direction of arrow R1 relative to power supply box 7, as shown in Fig. 8. In other words, holding unit 29 holds arm 12 so that the direction of the airflow generated by blower 1 (the blowing direction of blower 1) can be changed.
[0047] As shown in Fig. 9, second arm 12b is connected to first arm 12a by connector 13 so that blower 1 can rotate in the direction of arrow R2. More specifically, second arm 12b is connected to first arm 12a by connector 13 so that blower 1 can rotate between a position where central axis 20 of cylindrical body 2 is parallel to the front-to-rear direction of power supply box 7 and a position where central axis 20 of cylindrical body 2 is parallel to the up-down direction of power supply box 7. This allows blower 1 to rotate in the direction of arrow R2 in Fig. 9. In other words, connector 13 connects first arm 12a and second arm 12b so that the direction of the airflow generated by blower 1 can be changed. Therefore, blower 1 is held by arm 12 in a state where the airflow direction is variable, and is attached to power supply box 7 via arm 12. Therefore, in the air blower device A1, the air blowing direction of the air blower 1 is freely variable, so that the air blowing direction of the air blower 1 can be freely changed, thereby making it possible to increase comfort.
[0048] 4, the second wall 9 of the power supply box 7 has an opening 10b. The opening 10b allows radio waves of wireless communication by the communication device 18 to pass through. The opening 10b is, for example, a hole (opening) that allows radio waves of wireless communication by the communication device 18 to pass through.
[0049] The opening 10b is disposed at a front end 107 of the second wall 9 of the power feed box 7 in the front-rear direction (first direction D1) of the power feed box 7. In other words, the opening 10b is disposed at the front end 107 of the second wall 9 of the power feed box 7 on the side where the communication device 18 is disposed inside the power feed box 7.
[0050] Opening 10b is provided in second wall 9 of power feed box 7, extending from front end 107 to rear end 108 of second wall 9. Opening 10b is provided in second wall 9 of power feed box 7 along the front-to-rear direction of power feed box 7. Opening 10b has, for example, a rectangular shape (e.g., a rectangular shape) in a plan view. Specifically, opening 10b has, for example, an elongated rectangular shape in a plan view. Opening 10b is also located in the center of second wall 9 of power feed box 7 in the left-to-right direction of power feed box 7. Here, it is preferable that the dimension W1 of opening 10b in the front-to-rear direction of power feed box 7 is, for example, at least half the wavelength of the radio wave of the wireless communication.
[0051] The transmitting portion 14 closes the opening 10b of the second wall 9 of the power supply box 7. The transmitting portion 14 has, for example, a rectangular plate shape. The transmitting portion 14 has, for example, a rectangular shape in a plan view. Specifically, the transmitting portion 14 has, for example, an elongated rectangular shape in a plan view. The material of the transmitting portion 14 is, for example, a resin that transmits radio waves of the wireless communication. The size of the transmitting portion 14 is the same as the size of the opening 10b.
[0052] An indicator 15 for confirming operation is provided at a front end 107 of the second wall 9 of the power supply box 7. The indicator 15 is exposed from a hole 10c provided in the second wall 9 of the power supply box 7. The indicator 15 is also disposed near the opening 10b. The indicator 15 is electrically connected to the control device 17.
[0053] 3 is a component (mechanical component) for attaching the power supply box 7 to the wiring duct rail 91. The first attachment portion 61 is disposed on the first wall 8 of the power supply box 7 at the rear end 106 in the front-to-rear direction (first direction D1) of the power supply box 7. In other words, the first attachment portion 61 is disposed on the first wall 8 of the power supply box 7 at the rear end 106 on the side where the power supply device 16 is disposed inside the power supply box 7.
[0054] The first mounting portion 61 includes, for example, a first base 63, a first shaft 71, a first rotating body 65, a first operating lever 73, a first hook portion 67, a plurality of power supply connection terminals 70 (first power supply connection terminal 70a and second power supply connection terminal 70b), and a positioning portion 69. The first base 63, the first shaft 71, the first rotating body 65, the first operating lever 73, the first hook portion 67, and the positioning portion 69 are made of, for example, resin. The first power supply connection terminal 70a and the second power supply connection terminal 70b are made of, for example, metal (e.g., copper). The first power supply connection terminal 70a and the second power supply connection terminal 70b are provided on the first mounting portion 61 as described above. That is, the first power supply connection terminal 70a and the second power supply connection terminal 70b are disposed on the first wall 8 of the power supply box 7.
[0055] The first base 63 is attached to the first wall 8 of the power supply box 7. The first base 63 is attached to the first wall 8 using, for example, a first fastener (not shown). The first fastener is, for example, a screw. The first base 63 is disposed on the first wall 8 of the power supply box 7 in the center of the power supply box 7 in the left-right direction (second direction D2).
[0056] The first shaft body 71 is, for example, columnar (e.g., cylindrical). The first shaft body 71 is, for example, configured to be continuous and integrated with the first base 63. More specifically, the first shaft body 71 is configured to be continuous and integrated with the first base 63 so that the central axis of the first shaft body 71 coincides with the up-down direction (third direction D3) of the power supply box 7. Furthermore, the first shaft body 71 is configured so that the first rotor 65 can rotate around the central axis of the first shaft body 71.
[0057] The first rotor 65 is, for example, cylindrical (e.g., cylindrical). The first rotor 65 is disposed outside the outer circumferential surface of the first shaft 71. In other words, the first shaft 71 is disposed inside the first rotor 65. The first rotor 65 is disposed such that the rotation axis of the first rotor 65 coincides with the central axis of the first shaft 71. The first rotor 65 protrudes upward from the first base 63 in the up-down direction of the power supply box 7. The first rotor 65 is configured, for example, as a continuous unit with the first operating lever 73. The first rotor 65 rotates around the central axis of the first shaft 71 by operating the first operating lever 73.
[0058] The first operating lever 73 is, for example, rod-shaped (for example, square rod-shaped) and protrudes from the first base 63 toward the rear in the front-rear direction of the power supply box 7 (first direction D1).
[0059] The first hook portion 67 is plate-shaped (for example, rectangular plate-shaped). The first hook portion 67 is, for example, rectangular in plan view. The first hook portion 67 is, for example, configured to be continuous and integral with the first rotating body 65. That is, the first hook portion 67 rotates together with the first rotating body 65. The first hook portion 67 rotates between a position where the longitudinal direction of the first hook portion 67 is parallel to the front-rear direction of the power feed box 7 and a position where the longitudinal direction of the first hook portion 67 is parallel to the left-right direction of the power feed box 7.
[0060] The first power supply connection terminal 70a is plate-shaped (e.g., rectangular plate-shaped). The first power supply connection terminal 70a is, for example, rectangular in plan view. The first power supply connection terminal 70a is held by the first rotating body 65 so as to protrude from the first rotating body 65 toward the front in the front-rear direction (first direction D1) of the power supply box 7. The first power supply connection terminal 70a is held by the first rotating body 65 so as to be parallel to one surface of the first hooking portion 67. That is, the first power supply connection terminal 70a rotates together with the first rotating body 65 and the first hooking portion 67. The first power supply connection terminal 70a is electrically connected to the power supply device 16 in the power supply box 7. The first power supply connection terminal 70a preferably has at least one curved portion 80. The at least one curved portion 80 is preferably provided at a corner of the first power supply connection terminal 70a. The at least one curved portion 80 is preferably arc-shaped.
[0061] The second power supply connection terminal 70b is plate-shaped (e.g., rectangular plate-shaped). The second power supply connection terminal 70b is, for example, rectangular in plan view. The second power supply connection terminal 70b is held by the first rotating body 65 so as to protrude from the first rotating body 65 toward the rear in the front-rear direction of the power supply box 7. The second power supply connection terminal 70b is held by the first rotating body 65 so as to be parallel to the one surface of the first hooking portion 67. That is, the second power supply connection terminal 70b rotates together with the first rotating body 65 and the first hooking portion 67. The second power supply connection terminal 70b is electrically connected to the power supply device 16 in the power supply box 7. The second power supply connection terminal 70b preferably has at least one curved portion 80. The at least one curved portion 80 is preferably provided at a corner of the second power supply connection terminal 70b. The at least one curved portion 80 is preferably arc-shaped. In short, like the first power supply connection terminal 70a, the second power supply connection terminal 70b preferably has at least one curved portion 80. This makes it easier for an operator to rotate the first power supply connection terminal 70a and the second power supply connection terminal 70b when operating the first operating lever 73 to rotate the first power supply connection terminal 70a and the second power supply connection terminal 70b in the air blower A1. Therefore, the ease of installation of the air blower A1 on the wiring duct rail 91 can be improved.
[0062] The first power supply connection terminal 70a and the second power supply connection terminal 70b are arranged on the opposite side of the first wall 8 of the power supply box 7 with respect to the first hook portion 67. In other words, the first hook portion 67 is arranged between the first power supply connection terminal 70a and the second power supply connection terminal 70b and the first wall 8 of the power supply box 7.
[0063] The positioning portion 69 is, for example, box-shaped (for example, rectangular parallelepiped-shaped). The positioning portion 69 is, for example, configured to be continuous and integral with the first base 63. More specifically, the positioning portion 69 is configured to be continuous and integral with the first base 63 so that the longitudinal direction of the positioning portion 69 coincides with the front-rear direction (first direction D1) of the power feed box 7. The positioning portion 69 is also arranged in the center of the first base 63 in the left-right direction (second direction D2) of the power feed box 7. The positioning portion 69 is inserted into an opening hole 92 (see FIG. 1 ) of the wiring duct rail 91, which will be described later. In short, the positioning portion 69 has a positioning function when attaching the power feed box 7 to the wiring duct rail 91.
[0064] 3 is a component (mechanical component) for attaching the power feed box 7 to the wiring duct rail 91. The second attachment portion 62 is disposed on the first wall 8 of the power feed box 7 at the front end 105 in the front-to-rear direction of the power feed box 7. In other words, the second attachment portion 62 is disposed on the first wall 8 of the power feed box 7 at the front end 105 on the side where the communication device 18 is disposed inside the power feed box 7.
[0065] The second attachment portion 62 has, for example, a second base 64, a second shaft 72, a second rotating body 66, a second operating lever 74, and a second hook portion 68. The second base 64, the second shaft 72, the second rotating body 66, the second operating lever 74, and the second hook portion 68 are made of, for example, resin.
[0066] The second base 64 is attached to the first wall 8 of the power supply box 7. The second base 64 is attached to the first wall 8 using, for example, a second fastener (not shown). The second fastener is, for example, a screw. The second base 64 is also disposed on the first wall 8 of the power supply box 7 in the center of the power supply box 7 in the left-right direction.
[0067] The second shaft body 72 is, for example, columnar (e.g., cylindrical). The second shaft body 72 is, for example, configured to be continuous and integral with the second base 64. More specifically, the second shaft body 72 is configured to be continuous and integral with the second base 64 so that the central axis of the second shaft body 72 coincides with the up-down direction of the power supply box 7. In addition, the second shaft body 72 is configured so that the second rotor 66 can rotate around the central axis of the second shaft body 72.
[0068] The second rotating body 66 is, for example, cylindrical (e.g., cylindrical). The second rotating body 66 is disposed outside the outer circumferential surface of the second shaft body 72. In other words, the second shaft body 72 is disposed inside the second rotating body 66. The second rotating body 66 is disposed such that the rotation axis of the second rotating body 66 coincides with the central axis of the second shaft body 72. The second rotating body 66 protrudes upward from the second base 64 in the up-down direction of the power supply box 7. The second rotating body 66 is also configured, for example, as a continuous unit with the second operating lever 74. The second rotating body 66 rotates around the central axis of the second shaft body 72 by operating the second operating lever 74.
[0069] The second operating lever 74 is, for example, rod-shaped (for example, square rod-shaped). The second operating lever 74 protrudes from the second base 64 toward the front in the front-rear direction of the power supply box 7.
[0070] The second hook portion 68 is plate-shaped (e.g., rectangular plate-shaped). The second hook portion 68 is, for example, rectangular in plan view. The second hook portion 68 is, for example, configured as a continuous, integrated part with the second rotating body 66. That is, the second hook portion 68 rotates together with the second rotating body 66. The second hook portion 68 rotates between a position where the longitudinal direction of the second hook portion 68 is parallel to the front-rear direction of the power supply box 7 and a position where the longitudinal direction of the second hook portion 68 is parallel to the left-right direction of the power supply box 7. The second hook portion 68 preferably has a plurality of curved portions 80 (two in the example of FIG. 3). The curved portions 80 are preferably provided at least at one diagonally opposite corner of the four corners of the second hook portion 68. This makes it easier for an operator to rotate the second hook portion 68 of the air blower A1, for example, when operating the second operating lever 74 to rotate the second hook portion 68. Therefore, the air blower A1 can be attached to the wiring duct rail 91 with improved ease. Note that the first hook portion 67 of the air blower A1 may also have multiple curved portions. In this case, however, it is preferable that the multiple curved portions are provided in the same positions (corners of the first hook portion 67) as the first power supply connection terminal 70a and the second power supply connection terminal 70b.
[0071] The first mounting portion 61 and the second mounting portion 62 are aligned on the first wall 8 of the power feed box 7 along the front-to-rear direction (first direction D1) of the power feed box 7 and are disposed in the center of the power feed box 7 in the left-to-right direction (second direction D2). On the other hand, as shown in FIG. 4, the opening 10b of the power feed box 7 is disposed on the second wall 9 of the power feed box 7 so as to overlap with a straight line L1 (see FIG. 3) along which the first mounting portion 61 and the second mounting portion 62 are aligned. In other words, the straight line L1 along which the first mounting portion 61 and the second mounting portion 62 are aligned and the opening 10b of the power feed box 7 are positioned so as to partially overlap in the front-to-rear and left-to-right directions of the power feed box 7.
[0072] (3) Wiring duct rail The wiring duct rail 91 shown in FIG. 1 supplies power (the first power) to a plurality of power connection terminals 70 of the air blower A1. As shown in FIG. 10, the wiring duct rail 91 has a housing 93, a plurality of (two in the example of FIG. 10) power supply units 95, and a plurality of (two in the example of FIG. 10) support units 96. The plurality of power supply units 95 are electrically connected to, for example, a commercial power source. The plurality of power supply units 95 include a first power supply unit 95a and a second power supply unit 95b. The plurality of support units 96 include a first support unit 96a and a second support unit 96b. Note that FIG. 10 is a cross-sectional view of the wiring duct rail 91 when viewed from the front to the rear.
[0073] 1, the wiring duct rail 91 includes a plurality of (two in the example of FIG. 1) metal fittings (hanging metal fittings) 90. The plurality of metal fittings 90 suspend the wiring duct rail 91 in a state parallel to an installation surface 100 such as a ceiling surface. The plurality of metal fittings 90 include a first metal fitting 90a and a second metal fitting 90b.
[0074] The housing 93 is box-shaped (for example, rectangular parallelepiped). A first metal fitting 90a and a second metal fitting 90b are attached to the housing 93. The first metal fitting 90a and the second metal fitting 90b are attached to a first wall 93a of the housing 93 (see FIG. 10). As shown in FIG. 1, the housing 93 is provided with an opening 92. The opening 92 is provided in the second wall 93b of the housing 93 along the front-rear direction (first direction D1) of the power supply box 7. The opening 92 has, for example, a rectangular shape in a plan view.
[0075] 10, the housing 93 includes a first housing 97 and a second housing 98. The first housing 97 is box-shaped (e.g., rectangular parallelepiped). The first housing 97 is made of, for example, metal. The second housing 98 is configured to cover the surfaces (e.g., inner and outer surfaces) of the first housing 97. The second housing 98 is made of, for example, resin.
[0076] The housing 93 is provided with a pair of protrusions 94. The pair of protrusions 94 is made of, for example, resin. The pair of protrusions 94 is provided within the housing 93 so as to protrude from the inner surface of the second housing 98. The pair of protrusions 94 is also provided within the housing 93 so as to be aligned along the left-right direction of the power feed box 7 (second direction D2). The pair of protrusions 94 includes a first protrusion 94a and a second protrusion 94b. The first protrusion 94a protrudes toward the second protrusion 94b along the left-right direction of the power feed box 7. The second protrusion 94b protrudes toward the first protrusion 94a along the left-right direction of the power feed box 7.
[0077] The first protrusion 94a is provided with a pair of holding pieces 941 that hold the first power supply part 95a. The pair of holding pieces 941 is made of a material such as resin. The second protrusion 94b is provided with a pair of holding pieces 942 that hold the second power supply part 95b. The pair of holding pieces 942 is made of a material such as resin.
[0078] The first power supply portion 95a is electrically connected to one power supply connection terminal 70 (for example, the first power supply connection terminal 70a) of the plurality of power supply connection terminals 70. The second power supply portion 95b is electrically connected to the remaining power supply connection terminal 70 (for example, the second power supply connection terminal 70b) of the plurality of power supply connection terminals 70.
[0079] The first support portion 96a and the second support portion 96b support the power feed box 7. More specifically, the first support portion 96a and the second support portion 96b support the first mounting portion 61 of the power feed box 7 (more specifically, the first hook portion 67 of the first mounting portion 61). The first support portion 96a and the second support portion 96b support the second mounting portion 62 of the power feed box 7 (more specifically, the second hook portion 68 of the second mounting portion 62). The first support portion 96a and the second support portion 96b are configured as a second wall 93b of the housing 93. In short, the second wall 93b of the housing 93 has the function of supporting the power feed box 7.
[0080] (4) How to install the ventilation system A method for attaching the air blower A1 to the wiring duct rail 91 will be described below with reference to FIGS.
[0081] 11 , the worker operates the first operating lever 73 and the second operating lever 74 to align the first hook portion 67, the second hook portion 68, and the multiple power supply connection terminals 70. In other words, the worker operates the first operating lever 73 and the second operating lever 74 so that the longitudinal directions of the first hook portion 67, the second hook portion 68, and the multiple power supply connection terminals 70 are aligned with the front-to-rear direction of the power supply box 7 (first direction D1).
[0082] Next, the worker inserts the first hook portion 67, the second hook portion 68, and the multiple power connection terminals 70 of the air blower A1 into the opening 92 (see FIG. 10 ) of the wiring duct rail 91. Here, in the air blower A1, the straight line L1 (see FIG. 3 ), along which the first mounting portion 61 and the second mounting portion 62 are aligned, and the opening 10b of the power supply box 7 (see FIG. 4 ), as described above, are positioned so as to partially overlap in the front-to-rear and left-to-right directions of the power supply box 7. Therefore, the worker can insert the first hook portion 67, the second hook portion 68, and the multiple power connection terminals 70 of the air blower A1 into the opening 92 of the wiring duct rail 91 simply by aligning the opening 10b and the transmission portion 14 of the power supply box 7 with the opening 92 of the wiring duct rail 91 and then pushing the power supply box 7 into the wiring duct rail 91.
[0083] That is, when attaching the power supply box 7 to the wiring duct rail 91, the worker can use the opening 10b and the transparent portion 14 as attachment marks, making it easier to attach the power supply box 7 to the wiring duct rail 91. In particular, when attaching the power supply box 7 to the wiring duct rail 91, the worker performs the work while looking up at the installation surface 100, such as a ceiling surface, and therefore may not be able to visually confirm the alignment of the opening 92 of the wiring duct rail 91 with the first hook portion 67, the second hook portion 68, and the multiple power supply connection terminals 70 of the air blower A1. However, with the air blower A1, the opening 10b and the transparent portion 14 can be used as marks to align the opening 92 of the wiring duct rail 91 with the first hook portion 67, the second hook portion 68, and the multiple power supply connection terminals 70 of the air blower A1, thereby improving ease of installation. That is, in the air blower A1, the power supply box 7 can be easily attached to the wiring duct rail 91, and the workability when attaching the air blower A1 to the wiring duct rail 91 can be improved.
[0084] 12, the worker operates the second operating lever 74 to change the orientation of the second hook portion 68 by 90 degrees. In other words, the worker operates the second operating lever 74 so that the longitudinal direction of the second hook portion 68 is aligned with the left-right direction (second direction D2) of the power supply box 7. Thus, in the air blower A1, the second hook portion 68 is supported by the first support portion 96a and the second support portion 96b of the wiring duct rail 91. This causes the air blower A1 to be cantilevered relative to the wiring duct rail 91. Therefore, in the air blower A1, the second mounting portion 62 is attached to the wiring duct rail 91, which further improves the ease of attaching the air blower A1 to the wiring duct rail 91. In particular, because the blower 1 of the blower device A1 is heavy, when the second mounting portion 62 is attached to the wiring duct rail 91 (when the blower device A1 is cantilevered relative to the wiring duct rail 91), it becomes easier for the worker to attach the first mounting portion 61 to the wiring duct rail 91. Furthermore, because the wiring duct rail 91 is installed at a high location close to the installation surface 100, such as the ceiling surface, having the blower device A1 cantilevered relative to the wiring duct rail 91 is more effective in attaching the blower device A1 to the wiring duct rail 91.
[0085] Finally, as shown in FIG. 13 , the worker operates the first operating lever 73 to change the orientation of the first hook portion 67 and the multiple power supply connection terminals 70 by 90 degrees. In other words, the worker operates the first operating lever 73 so that the longitudinal direction of the first hook portion 67 and the multiple power supply connection terminals 70 is aligned with the left-right direction of the power supply box 7 (second direction D2). As a result, in the air blower A1, the first hook portion 67 is supported by the first support portion 96a and the second support portion 96b of the wiring duct rail 91. In addition, in the air blower A1, the first power supply connection terminal 70a contacts the second power supply portion 95b of the wiring duct rail 91, and the second power supply connection terminal 70b contacts the first power supply portion 95a of the wiring duct rail 91. Thus, the air blower A1 is attached to the wiring duct rail 91 and can be supplied with power from the wiring duct rail 91.
[0086] (5) Effects The fan A1 includes a power supply box 7, a plurality of power connection terminals 70, a fan 1, an arm 12, a power supply device 16, a communication device 18, and a control device 17. The power supply device 16, the communication device 18, and the control device 17 are arranged inside the power supply box 7. The second wall 9 of the power supply box 7 has an opening 10b that allows radio waves to pass through. This allows the fan A1 to have a communication function. Furthermore, with the fan A1, for example, radio waves for wireless communication from an external terminal (e.g., a mobile device) pass through the opening 10b of the power supply box 7, thereby improving communication performance.
[0087] Furthermore, in blower device A1, power supply device 16, communication device 18, and control device 17 are disposed inside power supply box 7, so that airflow resistance inside blower 1 can be reduced compared to, for example, a case in which power supply device 16, communication device 18, and control device 17 are disposed inside cylindrical body 2 of blower 1. Therefore, blower device A1 can prevent a decrease in the air volume of blower 1. Furthermore, blower device A1 can also reduce the driving noise of fan 3. Therefore, blower device A1 can increase comfort.
[0088] Furthermore, in the air blower A1, the power supply device 16 is disposed within the power supply box 7 at the rear end 102 of the power supply box 7. The communication device 18 is disposed within the power supply box 7 at the front end 101 of the power supply box 7. The holder 29 is disposed at the rear end 108 of the second wall 9 of the power supply box 7. The opening 10b is disposed at the front end 107 of the second wall 9 of the power supply box 7 and is provided along the front-to-rear direction of the power supply box 7 from the front end 107 toward the rear end 108. That is, in the air blower A1, the power supply device 16 and the communication device 18 are disposed apart from each other within the power supply box 7, and the opening 10b disposed near the communication device 18 is provided from the front end 107 toward the rear end 108 of the second wall 9 of the power supply box 7. This allows the dimension W1 of the opening 10b to be increased, thereby further improving communication performance.
[0089] Furthermore, in the air blower A1, it is preferable that the dimension W1 of the opening 10b is equal to or greater than half the wavelength of the radio wave, thereby enabling the air blower A1 to further improve its communication performance.
[0090] The air blower A1 further includes a transmission portion 14 that closes the opening 10b, and the material of the transmission portion 14 contains a resin that transmits the radio waves. This improves the communication performance of the air blower A1, as well as the waterproof and dustproof properties.
[0091] In fan device A1, antenna 18a is arranged along the left-right direction of power supply box 7. As a result, opening 10 of fan device A1 has a large charge gap between two opposing sides (long sides) in the left-right direction of power supply box 7. Therefore, fan device A1 can further improve communication performance.
[0092] The air blower A1 further includes a first mounting portion 61 and a second mounting portion 62. The first mounting portion 61 is disposed at a rear end portion 106 of the first wall 8 of the power supply box 7. The second mounting portion 62 is disposed at a front end portion 105 of the first wall 8 of the power supply box 7. This makes it easier for a worker to mount the air blower A1 on the wiring duct rail 91, for example, thereby improving workability.
[0093] In the air blower A1, the power supply box 7 has a rectangular parallelepiped shape, and the first mounting portion 61 and the second mounting portion 62 are aligned on a first wall 8 of the power supply box 7 along the front-to-rear direction of the power supply box 7 and are disposed in the center of the power supply box 7 in the left-to-right direction. The opening 10b is disposed on a second wall 9 of the power supply box 7 in the center of the power supply box 7 in the left-to-right direction so as to overlap with a straight line L1 along which the first mounting portion 61 and the second mounting portion 62 are aligned. As a result, in the air blower A1, for example, an operator can insert the first hook portion 67, the second hook portion 68, and the multiple power connection terminals 70 of the air blower A1 into the opening 92 of the wiring duct rail 91 simply by aligning the opening 10b and the transmission portion 14 of the power supply box 7 with the opening 92 of the wiring duct rail 91 and then pushing the power supply box 7 into the wiring duct rail 91. That is, when attaching the power supply box 7 to the wiring duct rail 91, the worker can use the opening 10b and the transparent portion 14 as attachment marks, making it easier to attach the power supply box 7 to the wiring duct rail 91. Therefore, with the air blower A1, it is easier for the worker to attach the air blower A1 to the wiring duct rail 91, and workability can be further improved.
[0094] In the blower device A1, the blower 1 has a cylindrical body 2, a fan 3, and a rectifier 11. The rectifier 11 is disposed between the fan 3 and the air outlet 24 of the cylindrical body 2 for the airflow. This makes it possible for the blower device A1 to suppress diffusion of the airflow.
[0095] The air blowing system B1 includes an air blowing device A1 and a wiring duct rail 91. The wiring duct rail 91 has a power supply section 95 and a support section 96. Therefore, the air blowing system B1 includes the air blowing device A1, and thus, like the air blowing device A1, it is possible to improve communication performance.
[0096] (6) Variations The power supply box 7 is not limited to a rectangular parallelepiped shape, and may be, for example, a cube shape, etc. The first wall 8 and the second wall 9 are arranged to face each other, but may also be arranged to be perpendicular to each other, for example.
[0097] Although opening 10b is provided in second wall 9 of power supply box 7, it may also be provided in a wall other than first wall 8 and second wall 9 of power supply box 7 (for example, a side wall of the third wall, fourth wall, fifth wall, or sixth wall). In this case, opening 10b only needs to be provided in at least one of the third wall, fourth wall, fifth wall, or sixth wall of power supply box 7. This allows blower device A1 to further improve communication performance.
[0098] The tubular body 2 of the blower 1 is not limited to a cylindrical shape and may be, for example, a rectangular tubular shape. The material of the tubular body 2 is not limited to a metal and may be, for example, a resin. The fan housing 33 is not limited to a cylindrical shape and may be, for example, a rectangular tubular shape. The material of the rotor 31, the plurality of blades 32, and the fan housing 33 is not limited to a resin and may be, for example, a metal.
[0099] The material of the first rectifier 4 is not limited to metal, but may be, for example, resin. The tubular portion 41 of the first rectifier 4 is not limited to cylindrical, but may be, for example, rectangular tubular. The material of the second rectifier 5 is not limited to resin, but may be, for example, metal. The tubular portion 51 of the second rectifier 5 is not limited to cylindrical, but may be, for example, rectangular tubular. The rectifier grid 50 is not limited to a honeycomb grid, but may be a grid, for example.
[0100] The wiring duct rail 91 includes a plurality of metal fittings 90, but may not include a plurality of metal fittings 90. In this case, the wiring duct rail 91 is embedded in an installation surface 100 such as a ceiling surface, for example.
[0101] Although the air blower A1 includes a substrate 19, it does not necessarily have to include the substrate 19. Furthermore, although the air blower A1 includes a transmission section 14, it does not necessarily have to include the transmission section 14.
[0102] The above-described embodiments and modifications are merely a part of the various embodiments and modifications of the present disclosure.
[0103] (Aspect) The present specification discloses the following aspects.
[0104] The air blower (A1) according to the first aspect includes a box-shaped power supply box (7), a power connection terminal (70), a fan (1), an arm (12), a power supply device (16), a communication device (18), and a control device (17). The power supply box (7) has a first wall (8) and a second wall (9). The power connection terminal (70) is disposed on the first wall (8) of the power supply box (7). The fan (1) generates an airflow. The arm (12) is attached to the second wall (9) of the power supply box (7) and holds the fan (1). The power supply device (16) is disposed within the power supply box (7) and converts first power from the power connection terminal (70) into second power. The communication device (18) has an antenna (18a) and is disposed within the power supply box (7) and performs wireless communication using radio waves. The control device (17) is disposed in the power supply box (7) and controls the fan (1). The power supply box (7) is made of a material including a metal. The second wall (9) of the power supply box (7) has an opening (10b) that allows radio waves to pass through.
[0105] According to this aspect, it is possible to improve communication performance.
[0106] In the blower device (A1) according to the second aspect, the power supply device (16) is disposed in the power supply box (7) at a first end (102) in a first direction (D1) perpendicular to a thickness direction (D3) of a second wall (9) of the power supply box (7). The communication device (18) is disposed in the power supply box (7) at a second end (101) opposite the first end (102) in the first direction (D1). The second wall (9) of the power supply box (7) has a holder (29) that holds the arm (12). The holder (29) is disposed at a first end (108) of the second wall (9) of the power supply box (7) on the side where the power supply device (16) is disposed in the power supply box (7). The opening (10b) is located at a second end (107) on the side where the communication device (18) is arranged in the power supply box (7) in the second wall (9) of the power supply box (7), and is provided along the first direction (D1) from the second end (107) on the side where the power supply device (16) is arranged toward the first end (108) on the side where the communication device (18) is arranged.
[0107] According to this aspect, it is possible to further improve communication performance.
[0108] The air blower (A1) according to the third aspect is the second aspect, wherein the dimension (W1) of the opening (10b) in the first direction (D1) is equal to or greater than half the wavelength of the radio wave.
[0109] According to this aspect, it is possible to further improve communication performance.
[0110] The air blower (A1) according to a fourth aspect is any one of the first to third aspects, further comprising a transmission part (14) that closes the opening (10b). The material of the transmission part (14) contains a resin that transmits radio waves.
[0111] According to this aspect, it is possible to improve communication performance as well as waterproof and dustproof properties.
[0112] The blower (A1) according to the fifth aspect is any one of the second to fourth aspects, in which the antenna (18a) is arranged in the power supply box (7) along a second direction (D2) perpendicular to a thickness direction (D3) of the second wall (9) of the power supply box (7).
[0113] According to this aspect, it is possible to further improve communication performance.
[0114] The air blower (A1) according to a sixth aspect is the same as any one of the second to fifth aspects, further including a first mounting portion (61) for mounting the power supply box (7) to the wiring duct rail (91) and a second mounting portion (62) for mounting the power supply box (7) to the wiring duct rail (91). The first mounting portion (61) has a power supply connection terminal (70). The first mounting portion (61) is disposed at a first end (106) of a first wall (8) of the power supply box (7) on a side where a power supply device (16) is disposed in the power supply box (7). The second mounting portion (62) is disposed at a second end (105) of the first wall (8) of the power supply box (7) on a side where a communication device (18) is disposed in the power supply box (7).
[0115] According to this aspect, it is possible to improve workability.
[0116] A blower (A1) according to a seventh aspect is the sixth aspect, wherein the power supply box (7) is rectangular parallelepiped-shaped, and the first mounting portion (61) and the second mounting portion (62) are aligned along a first direction (D1) on a first wall (8) of the power supply box (7) and are disposed in a central portion in a second direction (D2) perpendicular to a thickness direction (D3) of a second wall (9) of the power supply box (7). The opening (10b) is disposed in a central portion in the second direction (D2) on the second wall (9) of the power supply box (7) so as to overlap with a straight line (L1) along which the first mounting portion (61) and the second mounting portion (62) are aligned.
[0117] According to this aspect, it is possible to further improve workability.
[0118] The air blower (A1) according to an eighth aspect is any one of the first to seventh aspects, wherein the air blower (1) includes a cylindrical body (2), a fan (3) arranged in the cylindrical body (2), and a rectifier (11) arranged in the cylindrical body (2) and rectifying the airflow swirled by the fan (3). The rectifier (11) is arranged between the fan (3) and an outlet (24) for the airflow in the cylindrical body (2).
[0119] According to this aspect, it is possible to suppress the diffusion of the air current.
[0120] A ninth aspect of the present invention provides a ventilation system (B1) including the ventilation device (A1) according to any one of the first to eighth aspects, and a wiring duct rail (91) for supplying power to the power connection terminal (70) of the ventilation device (A1). The wiring duct rail (91) includes a power supply section (95) electrically connected to the power connection terminal (70), and a support section (96) for supporting the power supply box (7) of the ventilation device (A1).
[0121] According to this aspect, it is possible to improve communication performance. [Explanation of symbols]
[0122] 1 blower 2 cylinders 3 Fans 7 Power Supply Box 8 1st wall 9 Second wall 10b opening 11 Rectifier 12 Arm 14 Transparent part 16 Power supply 17 Control device 18. Communications Equipment 18a Antenna 24 Air outlet 29 Holding part 61 First mounting part 62 Second mounting part 70 Power connection terminal 91 Wiring duct rail 95 Power supply unit 96 Support part 101 Front end (second end) 102 Rear end (first end) 105 Front end (second end) 106 Rear end (first end) 107 Front end (second end) 108 Rear end (first end) A1 Blower B1 Ventilation System D1 1st direction (1st direction) D2 2nd direction (2nd direction) D3 Third direction (thickness direction) L1 straight line W1 dimension
Claims
1. a box-shaped power supply box having a first wall and a second wall; a power supply connection terminal disposed on the first wall of the power supply box; A blower that generates an airflow; an arm attached to the second wall of the power supply box and holding the fan; a power supply device disposed in the power supply box and configured to convert a first power from the power supply connection terminal into a second power; a communication device having an antenna, disposed in the power supply box, and configured to perform wireless communication using radio waves; a control device disposed in the power supply box and controlling the blower; the material of the power supply box includes metal; the second wall of the power supply box has an opening through which the radio waves pass. Blower.
2. the power supply device is disposed in the power supply box at a first end in a first direction perpendicular to a thickness direction of the second wall of the power supply box, the communication device is disposed in the power supply box at a second end opposite to the first end in the first direction, the second wall of the power supply box has a holding portion that holds the arm, the holding portion is disposed at a first end of the second wall of the power supply box on a side where the power supply device is disposed within the power supply box, the opening is disposed in the second wall of the power supply box at a second end portion on a side where the communication device is disposed in the power supply box, and is provided along the first direction from the second end portion on a side where the power supply device is disposed toward the first end portion on a side where the communication device is disposed. The blower device according to claim 1 .
3. The dimension of the opening in the first direction is equal to or greater than half the wavelength of the radio wave. The blower device according to claim 2 .
4. Further, a transmission part that closes the opening part is provided, a material of the transmission portion containing a resin that transmits the radio waves; The blower device according to claim 1 .
5. The antenna is disposed in the power supply box along a second direction perpendicular to the thickness direction of the second wall of the power supply box. The blower device according to claim 2 .
6. a first mounting portion having the power supply connection terminal and configured to mount the power supply box to a wiring duct rail; a second mounting portion for mounting the power supply box to the wiring duct rail, the first mounting portion is disposed on a first end of the first wall of the power supply box on a side where the power supply device is disposed within the power supply box; the second mounting portion is disposed on a second end of the first wall of the power supply box on a side where the communication device is disposed inside the power supply box; The blower device according to claim 2 .
7. The power supply box has a rectangular parallelepiped shape, the first mounting portion and the second mounting portion are aligned along the first direction on the first wall of the power supply box and are disposed at a center portion in a second direction perpendicular to the thickness direction of the second wall of the power supply box, the opening is disposed in the center of the second wall of the power supply box in the second direction so as to overlap with a straight line along which the first mounting portion and the second mounting portion are aligned. The blower device according to claim 6.
8. The blower is A cylindrical body and a fan disposed within the cylindrical body; a rectifying device disposed inside the cylindrical body and rectifying the airflow swirled by the fan, The rectifying device is disposed between the fan and the air outlet of the cylindrical body. The blower device according to claim 1 .
9. The blower device according to claim 1; a wiring duct rail for supplying power to the power supply connection terminal of the air blower, The wiring duct rail is a power supply unit electrically connected to the power supply connection terminal; a support portion that supports the power supply box of the blower device, Ventilation system.
Citation Information
Patent Citations
Fluid transportation device and fluid transportation method
WO2014017208A1