JP6204901B2 - Blower - Google Patents

Description

  The present invention relates to a blower. The blower device refers to a device that sucks air from the suction port and blows out air from the air outlet without applying any processing or processing other than pressurization. For example, a dehumidifier, a humidifier, an air conditioner, a circulator, a cold air fan, a hot air fan, an electric fan, etc. correspond to an air blower.

  There is known a blower in which an air outlet is provided in a rotating portion arranged to be rotatable with respect to a main body, and the air blowing direction can be changed. Patent Document 1 discloses a dehumidifier that is an example of a blower. This dehumidifier includes a lid that can be rotated by a drive motor at the top of the main body. The lid includes a mounting plate that can rotate integrally, and a blowing nozzle that can be rotated by a motor is further disposed on the mounting plate.

  In the dehumidifier of Patent Document 1, when an external load such as pressing the lid is applied, an error occurs in the origin of the rotation angle of the lid by the driving motor. As a result, an error occurs between the preset rotation angle position of the lid and the actual rotation angle position. In the dehumidifier of Patent Document 1, no consideration is given to restoring the original state when an error occurs.

JP 2002-188830 A

  This invention makes it a subject to provide the air blower which can return to an original state reliably, even if an error arises in the rotation angle position which rotates a rotation part.

  The present invention includes a main body having a suction port and a blowing unit, a rotating unit that is rotatably disposed on the main unit, and has a blowout port that blows out air sucked from the suction port by the blowing unit, and the rotating unit is rotated forward. Driving means for rotationally driving in the direction and reverse direction, a restricting part for restricting rotation of the rotating part relative to the main body at a preset rotational angle position, and driving the rotational angle of the rotating part in the forward direction and the reverse direction And a first process for continuously rotating the rotating unit in an angle range in which rotation of the rotating unit is not regulated by the regulating unit, and the rotation by the regulating unit during the first process. A driving means controller that rotates the rotating portion until the rotation of the rotating portion is restricted, and executes a second process using the rotation angle position at the time of the rotation restriction as the origin of the rotation angle of the rotating portion. Sending To provide a device.

  Here, the rotatable angle range of the rotating part is a first range from a position where the rotating part is rotated in the forward rotation direction to contact the restricting part to a position where the rotating part is rotated in the reverse rotation direction to contact the restricting part. Is the angle range. The angle range (second angle range) in which the rotation of the rotation unit is not restricted by the restriction unit is not limited to the first angle range, but is a range equal to or less than the first angle range. For example, the position may be from a position where the rotating portion is rotated in the forward rotation direction to contact the regulating portion to a position where the rotating portion is rotated in the reverse rotation direction and is not brought into contact with the regulating portion. Further, it may be up to a position where it does not contact the restricting portion in either the forward rotation direction or the reverse rotation direction. In the second process, the rotation part is rotated until rotation is restricted by the restriction part in one operation, and the rotation part is rotated in a wider angle range than the first process, and the operation is performed a plurality of times. The structure which rotates a rotation part until rotation is controlled by a control part is included.

  The blower device executes the second process during the execution of the first process, thereby restricting the rotation of the rotating part by the restricting part, causing the drive means for rotating the rotating part to idle, The rotation angle position is set as the origin of the rotation angle of the rotating unit. Therefore, even when an error occurs in the origin of the rotation angle of the rotation unit due to an external factor, the origin of the rotation angle of the rotation unit by the driving unit can be corrected. In particular, it is effective in that position recognition and position return can be performed without using another component such as a position sensor (for example, a micro switch) in order to return the origin.

  The drive means control section controls the rotation angle of the rotation section according to the energization time to the drive means. In this way, it is possible to reliably correct the origin of the driving unit with respect to the rotating unit without using another component such as a position sensor.

  The second process is executed every set time. Here, the set time is a preset time, a time set by a user's operation, a time set by a calculation formula (program) set in advance according to the use environment, a set time, and once in the set number of times, etc. This means a regular period, and is not limited to the same period. If it does in this way, the rotation angle of a rotation part can be maintained constant.

  The drive means control unit, after execution of the second process, sets a reference position obtained by rotating the rotation part by a predetermined angle from the rotation angle position in the opposite direction to the time of the second process via the drive means. Using the starting point as a starting point, the rotating part is rotationally driven in the forward direction and the reverse direction. In this way, air can be discharged in a balanced manner in both directions starting from a preset reference position.

  The drive means control unit rotates the rotation unit only in one of the normal rotation direction and the reverse rotation direction when executing the second process. In this way, the control program can be simplified.

  Alternatively, the drive unit control unit rotates the rotation unit in the same direction as the rotation direction in the immediately preceding first process when the second process is executed. In this way, the execution time of the second process for correcting the origin can be shortened. Moreover, since the state in which the rotating unit stops at the restricting unit can be shortened, it is possible to reduce discomfort to the user. In this case, when the second process is performed, the drive means control unit is configured to perform a predetermined angle from the planned rotation position based on the rotation angle set in the immediately preceding first process to the restriction unit on the near side. It is preferable to rotate the rotating part beyond the range. Here, the planned rotation position based on the rotation angle set in the immediately preceding first process is the state where there is no error at the origin, and the rotation is stopped by the rotation angle set in the first process. It means the position to be (inverted). Further, the term “up to the restriction part on the near side” means the side where the angle from the planned rotation position to the restriction part is narrow. In this way, the execution time of the second process can be further shortened.

  The rotating portion includes an inflow portion that communicates with the suction port and has an opening at an upper end thereof, and an outlet portion that extends outward from the inflow portion and has the outlet at the end portion, and the inflow portion of the rotating portion The opening of the part is closed by a closing member. If it does in this way, wind (air) can be blown out (blows) to the whole circumference | surroundings of an air blower.

  The restricting portion includes a contact portion provided at the inflow portion of the rotating portion and a contact receiving portion provided at the closing member and contacting the contact portion. In this way, the origin of the drive means can be corrected by reliably restricting (stopping) the rotation of the rotating portion with a simple configuration and causing the drive means to idle.

  Even if an error occurs in the origin of the rotation angle of the rotating part due to an external factor, the air blower of the present invention automatically returns the origin of the rotating position without using a separate part such as a position sensor. The rotation angle range can be kept constant.

The perspective view of the dehumidifier of 1st Embodiment of this invention. The disassembled perspective view of a dehumidifier. The perspective view which looked at the main body of FIG. 2 from the front side. The perspective view which looked at the main body of FIG. 2 from the back side. A conceptual sectional view of a dehumidifier. The system diagram of a dehumidifier. The exploded perspective view which looked at the head part of Drawing 2 from the upper part. The exploded perspective view which looked at the head part of Drawing 2 from the lower part. Sectional drawing of a head part. The disassembled perspective view which looked at the control part from the right side. The disassembled perspective view which looked at the control part from the left side. The front view which shows a control part. The top view which shows the reference position of a head part. FIG. 10B is a plan view showing the restricted state of FIG. 10A. The top view which shows the state which rotated the head part to the end of the normal rotation direction. FIG. 11B is a plan view showing the restricted state of FIG. 11A. The top view which shows the state which rotated the head part to the end of the reverse rotation direction. The top view which shows the control state of FIG. 12A. The block diagram which shows the structure of a dehumidifier. The chart which shows an example of control by a drive means control part. The flowchart which shows the control by a drive means control part. The top view which shows the control concept by the drive means control part of 2nd Embodiment. The chart which shows an example of control of a 2nd embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, terms indicating specific directions and positions (for example, terms including “up”, “down”, “side”, “end”) are used as necessary. Is for facilitating understanding of the invention with reference to the drawings, and the technical scope of the present invention is not limited by the meaning of these terms. Further, the following description is merely illustrative in nature and is not intended to limit the present invention, its application, or its use.

(First embodiment)
1 to 3B show a dehumidifier 1 that is an example of a blower according to a first embodiment of the present invention. FIG. 4 is a conceptual cross-sectional view of the dehumidifier 1. FIG. 5 is a system diagram of the dehumidifier 1.

(overall structure)
Referring to FIGS. 1 and 2, the dehumidifier 1 has a cylindrical appearance, and includes a main body 100, a head unit 600 disposed at the upper part of the main body 100, and a water storage unit 700 disposed at the lower part of the main body 100. With. The dehumidifier 1 dehumidifies (processes) the air (treated air) outside (for example, the room to be dehumidified) sucked from the suction port 112 of the main body 100 by moisture adsorption by the dehumidifying rotor 200 in the main body 100. The dehumidified processing air is discharged from the air outlet 642 of the head unit 600 to the outside. The moisture adsorbed on the dehumidifying rotor 200 is collected by the air (regenerated air) circulating through the closed path in the main body 100 and stored in the water storage tank 720 of the water storage unit 700.

  The head unit 600 includes an air blowing unit 640 that can rotate around the axis L of the main body 100 in FIG. The air blower 640 can reciprocate (swing) in the circumferential direction A in FIG. 1 within a range of approximately ± 180 degrees around the regulating member 680 starting from the reference position shown in FIG. A movable louver 660 is disposed at the air outlet 642 of the blower 640. The louver 660 can swing within a set range in the vertical direction B in FIG.

  As shown in FIGS. 4 and 5, the dehumidifier 1 includes a path (process air path) 2 through which the process air indicated by a broken line flows, and a path (regeneration air path) 3 through which the regenerated air indicated by a solid line flows. The dehumidifying rotor 200 is disposed across the processing air path 2 and the regeneration air path 3. The dehumidifier 1 includes a heater (heating means) 250 that heats the regeneration air and the dehumidification rotor 200 on one surface side (the suction port 112 side) of the dehumidification rotor 200. Further, the dehumidifier 1 includes a main heat exchanger (first heat exchanger) 300 disposed on one surface side of the dehumidifying rotor 200 and a sub heat exchanger (second heat exchanger) disposed on the other surface side of the dehumidifying rotor 200. Exchange) 350. Further, the dehumidifier 1 includes a processing air fan (first blowing unit) 400 for sucking and discharging processing air, and a regeneration air fan (second blowing unit) 450 for circulating the regeneration air.

  As shown in FIGS. 1 to 3B, the main body 100 has a base on which components including a dehumidifying rotor 200, a heater 250, a main heat exchanger 300, a sub heat exchanger 350, a processing air fan 400, and a regenerative air fan 450 are arranged. 101. The base 101 includes a base 102 having a circular shape in plan view located at the lower end, and an upright wall 103 standing from the base 102 so as to form a rectangular shape. The outer periphery of the base 101 is covered with resin-made exterior panels 110A and 110B that are semicylindrical. The exterior panels 110A and 110B include metal reinforcing panels 111A and 111B on the inner surface side. One exterior panel 110A is provided with a suction port 112 for taking in indoor air. The suction port 112 includes a plurality of slits extending in the vertical direction. A filter (not shown) is detachably disposed along the exterior panel 110 </ b> A on the inner surface side of the suction port 112.

(Processing air path)
As shown in FIGS. 4 and 5, the processing air path 2 connects the inlet 112 to the outlet 642. In the processing air path 2, a main heat exchanger 300, a dehumidifying rotor 200, a sub heat exchanger 350, and a processing air fan 400 are arranged in this order along the direction in which the processing air flows from the suction port 112 toward the blowout port 642. Has been.

  As shown most clearly in FIG. 5, the process air path 2 comprises first to fifth portions 2a-2e. The first portion 2a connects the suction port 112 to the main heat exchanger 300. As shown in FIG. 4, the first portion 2 a is a space formed between the suction port 112 and the main heat exchanger 300. The second portion 2b connects the main heat exchanger 300 to the dehumidifying rotor 200. As shown in FIG. 4, the second portion 2 b is composed of a space formed between the main heat exchanger 300 and the dehumidifying rotor 200. The third portion 2c connects the dehumidification rotor 200 to the sub heat exchanger 350. As shown in FIG. 4, the third portion 2 c includes a space formed between the dehumidification rotor 200 and the sub heat exchanger 350. The fourth portion 2d connects the sub heat exchanger 350 to the processing air fan 400. As shown in FIG. 4, the fourth portion 2 d is a space formed between the auxiliary heat exchanger 350 and the suction port 112 of the processing air fan 400. The fifth part 2e connects the discharge port of the processing air fan 400 to the outlet 642. As shown in FIG. 4, the fifth portion 2 e includes a delivery unit 411 of the fan case 410 of the processing air fan 400 and a blowing guide unit 641 of the head unit 600.

  When the processing air fan 400 is driven, processing air is sucked from the suction port 112. The process air is dehumidified when it passes through the dehumidification rotor 200 after being heated by the main heat exchanger 300. Next, the temperature is further raised by the auxiliary heat exchanger 350 and then flows into the fan case 410 of the processing air fan 400. Then, it sends out upward from the sending part 411 of the fan case 410 and is discharged into the room from the air outlet 642 of the head part 600.

(Regenerative air path)
As shown in FIGS. 4 and 5, in the regeneration air path 3, the dehumidification rotor 200, the auxiliary heat exchanger 350, the main heat exchanger 300, and the regeneration air fan are sequentially arranged along the direction in which the regeneration air flows from the heater 250. 450 is arranged.

  As most clearly shown in FIG. 5, the regeneration air path 3 includes first to fifth portions 3 a to 3 e. The first portion 3 a connects the outlet of the regeneration air fan 450 to the heater 250. As shown in FIGS. 3A, 3B and 4, the first portion 3 a includes a duct portion 462 between the fan case 460 of the regeneration air fan 450 and the heater case 260 of the heater 250. The second portion 3b connects the heater 250 to the dehumidifying rotor 200. As shown in FIG. 4, the second portion 3 b includes a space (gap) formed between the heater 250 in the heater case 260 and the dehumidifying rotor 200. The third portion 3c connects the dehumidification rotor 200 to the sub heat exchanger 350. As shown in FIG. 4, the third portion 3 c includes an internal space of the upper header 370 of the sub heat exchanger 350. The fourth portion 3d connects the sub heat exchanger 350 to the main heat exchanger 300. As shown in FIGS. 3A, 3B and 4, the fourth portion 3 d includes a lower header 380 of the auxiliary heat exchanger 350, a duct member 500, and an upper header 320 of the main heat exchanger 300. The fifth portion 3e connects the main heat exchanger 300 to the regeneration air fan 450. As shown in FIGS. 3B and 4, the fifth portion 3 e includes a duct portion 461 between the lower header 330 of the main heat exchanger 300 and the fan case 460 of the regenerative air fan 450.

  When the regeneration air fan 450 is driven, the regeneration air sent from the regeneration air fan 450 is heated by the heater 250. Next, when the regenerated air passes through the dehumidification rotor 200, it collects (adsorbs) moisture adsorbed by the dehumidification rotor 200, and is then cooled by the sub heat exchanger 350. Subsequently, it flows into the main heat exchanger 300 through the duct member 500 and is cooled again. Thereafter, the regeneration air returns to the regeneration air fan 450 and is sent to the heater 250 again. The water condensed by the regeneration air being cooled by the heat exchangers 300 and 350 is stored in the water storage tank 720.

(Details of the head)
As shown in FIGS. 4, 6 </ b> A, and 6 </ b> B, the head unit 600 includes a head base (fixed base) 610 fixed to the upper end of the main body 100 and a blower unit (rotating unit) rotatably disposed on the head base 610. 640 and a regulating member (blocking member) 680 that sandwiches and arranges the air blowing unit 640 between the head base 610 and the head base 610.

  As shown in FIGS. 6A to 7, the head base 610 includes a metal base body 620 and a resin base cover 630, which are fixed by screws. The base main body 620 includes a communication port 621 that communicates with the delivery unit 411 of the main body 100 at a substantial center located on the axis L side. As shown most clearly in FIG. 6B, a fitting portion 622 that fits outside the delivery portion 411 is provided at the lower portion of the communication port 621. The base cover 630 includes a communication port 631 that communicates with the communication port 621. The base cover 630 is provided with a boss (fixed portion) 632 that protrudes upward from the inner periphery (near) of the communication port 631. Four bosses 632 extend upward along the axis L, and are provided at predetermined intervals in the circumferential direction around the axis L.

  As shown most clearly in FIG. 6B, a stepping motor (air blower drive means) 623 that rotates the air blower 640 is disposed on the lower surface side of the head base 610. A first gear 624 is disposed on the output shaft of the stepping motor 623. The head base 610 is provided with an insertion portion so as to be positioned on the radially outer side of the first gear 624, and a second gear 625 meshed with the first gear 624 is rotatably disposed in the insertion portion. A third gear 626 is disposed on the rotation shaft of the second gear 625 so as to be positioned on the upper surface side of the head base 610 through the insertion portion.

  As shown in FIGS. 6A to 7, the blower 640 includes a blower body 650 placed on the head base 610 and an exterior cover 670 covering the blower body 650, and these are fixed by screws. ing. As shown most clearly in FIG. 6B, the air blower body 650 has an annular shape in plan view. A gear portion 653 that meshes with the third gear 626 on the head base 610 is integrally provided on the bottom surface side of the blower body 650. The blower 640 is rotated about the axis L of the main body 100 shown in FIG. 1 by rotating the gear 653 via the gears 624 to 626 by the driving of the stepping motor 623.

  As shown in FIGS. 6A to 7, the air blower body 650 includes an inflow portion 651 that surrounds the boss 632, and a blowout portion 652 that extends radially outward from both ends of the inflow portion 651. The inflow portion 651 and the blowout portion 652 form a blast guide portion 641 having a U shape in plan view. The inflow portion 651 has a semi-cylindrical shape having an opening 651a at the upper end, and a communication port 654 that communicates with the communication ports 621 and 631 is provided at the lower end. The communication port 654 has a concentric shape centering on the axis L of the main body 100, and is inserted through the boss 632 so as to protrude upward. The outer end of the blowing part 652 located on the outer surface of the blower part 640 is a blower outlet 642, and a movable louver 660 is disposed at the blower outlet 642. Louver 660 includes four blades 661A to 661D. As most clearly shown in FIG. 6A, the blades 661A to 661D rotate in the vertical direction B in synchronization with the driving of a stepping motor (louver driving means) 665 disposed in the blower body 650.

  The exterior cover 670 includes a cylindrical outer peripheral wall 670a and an upper wall 670b that covers the upper surface of the outer peripheral wall 670a. The upper wall 670b of the exterior cover 670 is provided with a concentric first opening 671 located above the communication port 654. The exterior cover 670 has a second opening 672 that exposes the air outlet 642 including the louver 660 from the outer peripheral wall 670a to the upper wall 670b.

  As shown in FIGS. 6A to 7, the regulating member 680 is fixed by disposing the air blowing part 640 on the head base 610 and screwing it to the boss 632 located in the first opening 671 of the air blowing part 640. Yes. Due to the arrangement of the restricting member 680, the opening 651a of the inflow portion 651 is closed to define the air blowing guide portion 641. Further, the arrangement of the regulating member 680 blocks the first opening 671 of the exterior cover 670 and prevents the blower 640 from falling off the head base 610. The regulating member 680 includes a storage case 681 having an upper end opening and a cover 685 that closes the storage case 681. The housing case 681 includes a semi-cylindrical outer peripheral wall 682b protruding from a disk-shaped bottom wall 682a. A screwing portion 683 corresponding to the boss 632 is provided on the bottom wall 682a. As shown in FIG. 7, an operation board 690 is disposed inside the housing case 681. The cover 685 is formed with an input unit corresponding to the switch of the operation board 690.

(Origin correction of blower drive means)
The stepping motor 623 that rotates the blower 640 is a drive unit that can rotate the output shaft in the forward direction and the reverse direction. The dehumidifier 1 can correct the reference position P _R (see FIG. 10A) of the stepping motor 623 that rotates the blower 640 without using another component such as a position sensor (for example, a micro switch).

Specifically, the head portion 600 includes a restricting portion 601 for restricting (stopped) at _{P A1} the rotation of the blower 640 (rotation angle position _preset) to correct position relative to the head base 610. Further, the dehumidifier 1 includes a microcomputer (driving means control unit) 800 that executes an origin correction process (second process) for correcting the origin of the rotation angle of the blower 640 by the stepping motor 623. The origin correction process is performed at the start of operation in each operation mode (first process) by driving the dehumidification rotor 200, the heater 250, and the fans 400 and 450, and at each preset time (time) during execution.

  As shown in FIGS. 8A to 9, the restricting portion 601 includes first and second projecting portions (contact portions) 655 </ b> A and 655 </ b> B formed in the inflow portion 651 of the blower portion main body 650, and a housing case 681 of the restricting member 680. The first and second receiving portions (contact receiving portions) 684A and 684B are provided.

  The protrusions 655A and 655B are provided so as to protrude inward from a position facing the inflow portion 651 in the radial direction. Referring to FIG. 8A, the first protrusion 655A is provided on the upper edge side of the inflow portion 651. Referring to FIG. 8B, the second protruding portion 655B is provided on the lower edge side of the inflow portion 651 with respect to the first protruding portion 655A. Each protrusion 655A, 655B includes a frame plate 656a extending along the axis L, and a pair of reinforcing frame plates 656b, 656b continuous to the upper and lower ends of the frame plate 656a. The reinforcing frame plates 656b and 656b are provided so as to protrude in the horizontal direction from the frame plate 656a and to protrude in the opposite direction with respect to the air outlet 642.

  The receiving portions 684A and 684B are provided so as to protrude outward from a position facing in the radial direction in a plan view of the outer peripheral wall 682b of the housing case 681. Referring to FIG. 8A, the first receiving portion 684A is provided at the upper end of the housing case 681. Referring to FIG. 8B, the second receiving portion 684B is provided at the lower end of the housing case 681. As shown most clearly in FIG. 9, the first receiving portion 684A is located above the second projecting portion 655B and at the same height as the first projecting portion 655A. The second receiving portion 684B is located below the first protruding portion 655A and at the same height as the second protruding portion 655B. Thereby, when the air blower 640 rotates, only the first protrusion 655A comes into contact with the first receiving part 684A without the second protrusion 655B interfering. Only the second projecting portion 655B abuts against the second receiving portion 684B without the first projecting portion 655A interfering. Each of the receiving portions 684A and 684B is formed with an overall height that can be inserted between the pair of reinforcing frame plates 656b and 656b. Thereby, only the frame plate 656a of each protrusion part 655A, 655B contacts each receiving part 684A, 684B. Thereby, the angle range in which the air blower 640 can rotate is widened.

As shown in FIGS. 10A and 10B, the air blowing unit 640 has a first angle range that can be rotated by the regulating unit 601. Specifically, as shown in FIG. 11A, B, protrusion 655A, 655B of the receiving portion 684A, the rotation angle position _{P A1} which is brought into contact with one end of 684B, as shown in FIG. 12A, B, the protruding portion 655A , receiving 684A and 655B, until the rotational angular position _{P A2} which is brought into contact with the other end of 684B, the blowing unit 640 is a first angle range rotatable. FIG. 10A, as shown in B, the reference position P _R when rotating the blower 640 is set to an intermediate point of the first angle range, and to be able to discharge the good balance air to the left and right directions.

  As shown in FIG. 13, the microcomputer 800 is arranged in the main body 100, controls the dehumidification rotor 200, the heater 250, and the fans 400 and 450 arranged in the base 101 and blows air arranged in the head unit 600. The unit 640 and the louver 660 are controlled. The microcomputer 800 includes an electric motor 201 that drives the dehumidification rotor 200 to be controlled, a heater 250, a single-axis motor 550 that drives the pair of fans 400 and 450, a stepping motor 623 that drives the blower 640, and A stepping motor 665 for driving the louver 660 is connected.

  In addition, a humidity sensor 801, a photo interrupter 802, a first temperature sensor 803, a second temperature sensor 804, and a magnetic sensor 805 are connected to the microcomputer 800. The humidity sensor 801 is a humidity detection unit that detects the humidity of the processing air sucked from the suction port 112, and is disposed between the suction port 112 and the main heat exchanger 300 shown in FIG. 4. The photo interrupter 802 is rotor lock detecting means for detecting a failure of the electric motor 201 (locking of the dehumidifying rotor 200), and is arranged around the dehumidifying rotor 200 shown in FIG. The first temperature sensor 803 is rotor temperature detection means for detecting overheating of the dehumidification rotor 200, and a detection unit is disposed in the upper header 370 of the sub heat exchanger 350 shown in FIG. The second temperature sensor 804 is a heater temperature detection unit that detects overheating of the heater 250, and a detection unit is disposed in the heater case 260 shown in FIG. The magnetic sensor 805 is a water level detection unit that detects the fullness of the water storage tank 720, and is disposed in the water storage unit 700 and detects the magnetic force of the magnet disposed in the float 730 in the water storage tank 720 shown in FIG.

  The microcomputer 800 is connected to an operation panel 810 for turning on / off the power, selecting a mode to be executed, and changing a setting. The operation panel 810 is disposed on the cover 685 of the head unit 600. A power switch (first input unit) 811 is disposed at the center of the operation panel 810. Around the power switch 811, selection switches (second input units) 812 </ b> A to 812 </ b> C for selecting a mode to be operated are arranged. Each time the selection switch 812A is operated, a drying mode (manual dehumidification process) in which the heater 250 is operated and an air blowing mode in which the operation of the heater 250 is stopped are switched. The selection switch 812B switches to an eco mode (automatic dehumidification processing) in which the output of the heater 250 is automatically adjusted. The selection switch 812C switches to the night drying mode (automatic dehumidification processing) in which the air volume of the processing air fan 400 is suppressed.

  Around the selection switches 812A to 812C, setting switches (third input units) 813A to 813D for changing the setting to be operated are arranged. The setting switch 813A changes the setting of the air volume of the processing air fan 400. The setting switch 813B changes the setting of the operation time (timer). These setting switches 813A and 813B can be used only in the drying mode and the air blowing mode. The setting switch 813C changes the setting of the rotation angle (air blowing range) of the air blowing unit 640. The setting switch 813D changes the setting of the rotation range of the louver 660. These setting switches 813C and 813D can be used in all modes.

As shown in the display units 814A to 814D in FIG. 13, the air blowing unit 640 can select four types of rotation angle ranges and a stop that does not rotate. Display unit 814A is a rotation angle and the full-width mode of FIG. 10A, 175.0 ° ± circumferentially starting from the reference position _{P R} shown in B (350 degrees in total). Display unit 814B is the rotation angle and the wide angle mode of the reference position _{P R} of circumferentially ± 90.0 degrees starting (180 in total). Display unit 814C is the reference position _{P R} 45.0 ° ± circumferentially origin (in total 90 °) is a rotational angle and the medium-angle mode. Display unit 814D includes the reference position _{P R} of circumferentially ± 22.5 degrees starting (45 degrees in total) and was a narrow angle mode. By operating the setting switch 813C, all the display units 814A to 814D are not selected to be turned on, so that the rotation of the air blowing unit 640 can be stopped and air can be discharged in a specific direction. The full-angle mode is a second angle range that is the same as the first angle range regulated by the regulation unit 601. In the full-angle mode, in consideration of the lateral width of the outlet 642 in the circumferential direction, air can be blown out substantially to the entire circumference (360 degrees) of the dehumidifier 1. The wide angle mode, the medium angle mode, and the narrow angle mode are a second angle range that is narrower than the first angle range. That is, in each mode (first process) in which the dehumidifier 1 is operated, the air blower 640 is continuously rotated in a second angle range narrower than the first angle range.

The microcomputer 800 as the drive means control unit controls the rotation angle of the air blowing unit 640 by the energization time T to the stepping motor 623. When rotating the air blowing unit 640 within the first angle range regulated by the regulating unit 601, the time required to drive the stepping motor 623 is T1. Therefore, as shown in FIGS. 12A and 12B, the intermediate position where the stepping motor 623 is driven for T1 / 2 time corresponding to the set angle from the state where the projecting portions 655A and 655B are in contact with the receiving portions 684A and 684B, and the reference position P _R reciprocally rotate the blower 640 in the circumferential direction a. The microcomputer 800 controls the rotation angle of the blower 640 according to energization (drive) times T1 to T4 for the stepping motor 623. Incidentally, immediately after the execution of the origin correction processing, because the operation of the reference position _{P R} as a starting point is resumed, the duration of energization of the stepping motor 623, half the normal conduction time T1~T4 (T1 / 2~T4 / 2) And

  In the origin correction process by the microcomputer 800, the stepping motor 623 is energized beyond the drive times T1 to T4 necessary for the rotation of the set angle. Specifically, from the current rotation position based on the set rotation angle, the projecting portions 655A and 655B abut on the receiving portions 684A and 684B and rotate beyond a predetermined angle until the rotation of the rotating portion 640 is restricted. As described above, the stepping motor 623 is energized. Accordingly, the projecting portions 655A and 655B are brought into contact with the receiving portions 684A and 684B, and the stepping motor 623 is further operated (idled). Then, the rotation angle position at the time of the rotation restriction (stop position where the energization is stopped) is corrected to be the origin of the rotation angle of the rotation unit 640.

  For example, as shown in FIG. 14, when the rotation angle range is set to the full-angle mode, the microcomputer 800 sets the drive time T1 in the forward direction and the reverse direction to 40 seconds. When the rotation angle range is set to the wide angle mode, the driving time T2 in the forward direction and the reverse direction is set to 20 seconds. When the rotation angle range is set to the medium angle mode, the driving time T3 in the forward rotation direction and the reverse rotation direction is set to 10 seconds. When the rotation angle range is set to the narrow angle mode, the driving time T4 in the forward rotation direction and the reverse rotation direction is set to 6 seconds. It should be noted that at the start of driving in each mode, the time is half of each driving time T1 to T4.

The set time (correction timing) Tt for executing the origin correction process is every 30 minutes including the start of operation in each operation mode. Thus, the external factors applied during the operation stop state and operation, are prevented from operating with an error occurs is started at the reference position P _R. Further, the correction drive time Tr1 for energizing the stepping motor 623 is 41 seconds, which is longer than the drive time T in the first angle range, and the stepping motor 623 is rotated in the forward direction. This ensures that the protrusions 655A and 655B are received by the receiving portions 684A, 650A, regardless of the mode set, or in any state of the rotational angle position error of the blower 640 due to external factors. The origin (reference position P _R ) can be corrected once by making contact with 684B. Further, the reference returning driving time Tr2 from the correction position P _A1 is required when rotating the first angle range and a half of T1 / 2 of the driving time T1, it is rotated in the reverse direction. Thus, the first protrusion 655A is diametrically opposed, the reference position _{P R} of the second protrusion 655B relative to the second receiving portion 684B is radially opposed to starting with the first receiving portion 684A, The air blower 640 can be controlled in the forward direction and the reverse direction.

  Next, control of the air blower 640 by the microcomputer 800 will be described.

  When the predetermined mode is executed by operating the operation panel 810, the microcomputer 800 executes the blower control shown in FIG. 15 in parallel with the processing of the set operation mode. This air blower control is continued until each operation mode ends, and ends simultaneously with the end of each operation mode.

  As shown in FIG. 15, the microcomputer 800 first performs an origin correction process in step S1 to rotate the stepping motor 623 in the normal rotation direction for the correction drive time Tr1. Next, in step S2, a reference position return process for rotating the stepping motor 623 in the reverse direction of the reference return drive time Tr2 is executed.

In step S3, the origin correction timer Tt is reset and started. In step S4, the setting of the rotation angle of the rotating unit 640 is read. Thereafter, in step S5, executes the energization process for continuously oscillating rotation in the forward direction and the reverse direction the stepping motor 623 driving time T1~T4 corresponding to the rotation angle set, the reference position P _R as a starting point .

  The energization process in step S5 is continued until the origin correction timer Tt in step S6 elapses. That is, if the origin correction timer Tt has not elapsed in step S6, the process returns to step S4, and it is determined whether or not the setting of the rotation angle of the blower 640 has been changed. If the origin correction timer Tt has elapsed in step S6, the process returns to step S1 to execute the origin correction process for the stepping motor 623.

  As described above, the dehumidifier 1 of the present invention corrects the origin of the stepping motor 623 every predetermined time during the execution of each operation mode (first process). Even if an error occurs, the rotation angle range of the air blowing unit 640 can be automatically maintained constant. In addition, since the position where the air blower 640 is stopped by the restricting unit 601 and the stepping motor 623 is idling and stopped is used as the origin, position recognition and position return are performed without using another component such as a position sensor. Can do. Therefore, it is possible to prevent the control program from becoming complicated and to reduce the cost.

Further, after execution of the origin correction processing, starting from the reference position P _R which is a predetermined time (175 °) rotation in the opposite direction, for controlling the blowing section 640 in the forward direction and the reverse direction, the blower unit in each operation mode Starting from the center of the maximum angle range (first angle range) in which 640 is rotated, air can be discharged in a balanced manner in both directions. Further, the restricting portion 601 that stops the air blowing portion 640 at the correction position P _A1 includes the protruding portions 655A and 655B provided on the inflow portion 651 and the receiving portions 684A and 684B provided on the restricting member 680, and thus has a simple configuration. Thus, the rotation of the air blowing unit 640 can be reliably regulated and the origin can be corrected.

(Second Embodiment)
FIG.16 and FIG.17 shows control of the ventilation part 640 by the microcomputer 800 which is a ventilation part drive means of the dehumidifier 1 of 2nd Embodiment. In this second embodiment, defining the first angle range capable of rotating the air blowing unit 640 in the forward direction and the reverse direction starting from the reference position P _R into two or more (in the present embodiment 6 partitions) to. Then, when the origin correction process is executed, the blower 640 is rotated in the same direction as the rotation direction of the blower 640 immediately before in each operation mode. Further, based on the second angle range set in each operation mode, the air blowing unit 640 is rotated beyond the planned angle from the planned rotational position to the near-side regulating unit 601 (correction positions P _A1 and P _A2 ). Let Here, the planned rotation position means that the rotation of the air blowing unit 640 stops (reverses) when the rotation is performed within the set second angle range without applying an external load and no error at the origin. ). Further, the term “up to the restriction part 601 on the near side” is the side where the angle from the planned rotation position to the restriction part 601 is narrow.

Specifically, as shown in FIG. 16, the angle range from the reference position P _R to the first rotation angle position P _A1, and from the first at equal intervals in the circumferential direction and defines the third region R1~R3 . Also, the angle range from the reference position P _R to the second rotation angle position P _A2, the fourth at equal intervals in the circumferential direction is divided into a sixth region R4-R6.

  When the normal operation mode is executed, the microcomputer 800 sets the driving time T1 of the stepping motor 623 to 40 seconds when the rotation angle range is set to the full-angle mode, as in the first embodiment shown in FIG. Rotate in direction and reverse direction. When the rotation angle range is set to the wide angle mode, the driving time T2 of the stepping motor 623 is set to 20 seconds, and the rotation is performed in the forward rotation direction and the reverse rotation direction. When the rotation angle range is set to the medium angle mode, the driving time T3 of the stepping motor 623 is set to 10 seconds, and the rotation is performed in the forward rotation direction and the reverse rotation direction. When the rotation angle range is set to the narrow angle mode, the driving time T4 of the stepping motor 623 is set to 6 seconds, and the rotation is performed in the forward rotation direction and the reverse rotation direction.

  If the rotation angle range of the air blowing unit 640 is set to the full angle mode in the normal operation mode on the assumption that no error has occurred at the origin, the center of the air outlet 642 of the air blowing unit 640 rotates in the forward rotation direction. If it has been done, it stops in the region R3. That is, the third scheduled rotation position is set in the region R3. On the other hand, when it is rotating in the reverse direction, the center of the air outlet 642 of the blower 640 stops in the region R6. That is, the sixth planned rotation position is set in the region R6. When the rotation angle range is set to the wide angle mode, the center of the air outlet 642 of the blower 640 stops in the region R2 when it is rotated in the normal rotation direction. That is, the second scheduled rotation position is set in the region R2. On the other hand, when it is rotating in the reverse direction, the center of the air outlet 642 of the blower 640 stops in the region R5. That is, the fifth scheduled rotation position is set in the region R5. When the rotation angle range is set to the medium angle mode, the center of the air outlet 642 of the blower 640 stops in the region R1 when it is rotated in the normal rotation direction. That is, the first scheduled rotation position is set in the region R1. On the other hand, when it is rotating in the reverse direction, the center of the air outlet 642 of the blower 640 stops in the region R4. That is, the fourth planned rotation position is set in the region R4. When the rotation angle range is set to the narrow angle mode, the center of the blower outlet 642 of the blower 640 stops in the region R1 when it is rotated in the forward rotation direction. That is, the 1'th planned rotation position is set in the region R1. On the other hand, when it is rotating in the reverse direction, the center of the air outlet 642 of the blower 640 stops in the region R4. That is, the 4'th planned rotation position is set in the region R4.

  As shown in FIG. 17, in the origin correction process, when the blower 640 is rotated in the forward rotation direction immediately before and the expected rotation position is located in the first region R1, it is rotated in the forward rotation direction and the correction drive time Tr1. Is 21 seconds. When the air blower 640 is rotated in the forward rotation direction immediately before and the planned rotation position is located in the second region R2, it is rotated in the forward rotation direction, and the correction drive time Tr1 is set to 14 seconds. When the air blower 640 is rotated in the forward rotation direction immediately before and the planned rotation position is located in the third region R3, it is rotated in the forward rotation direction, and the correction drive time Tr1 is set to 7 seconds. When the blower 640 is rotated in the reverse rotation direction immediately before and the planned rotation position is located in the fourth region R4, the blower 640 is rotated in the reverse rotation direction, and the correction drive time Tr1 is set to 21 seconds. When the air blower 640 is rotated in the reverse rotation direction immediately before and the planned rotation position is located in the fifth region R5, it is rotated in the reverse rotation direction, and the correction drive time Tr1 is set to 14 seconds. When the air blower 640 is rotated in the reverse rotation direction immediately before and the planned rotation position is located in the sixth region R6, it is rotated in the reverse rotation direction, and the correction drive time Tr1 is set to 7 seconds.

The air blower 640 of the dehumidifier 1 of the second embodiment thus configured corrects the origin of the stepping motor 623 every predetermined time during the execution of each operation mode, as in the first embodiment. Thus, even if an error occurs in the rotational angle position of the blower 640, the rotational angle range of the blower 640 can be automatically maintained constant. In the origin correction process of the second embodiment, since the rotation is performed in the same direction as the rotation direction of the immediately preceding blower 640, the correction drive time Tr1 can be significantly shortened. Therefore, the state where the blower 640 stops at the correction positions P _A1 and P _A2 can be shortened by executing the origin correction process. As a result, it is possible to reduce the feeling of discomfort to the user. In addition, when the error of the rotation angle position of the blower 640 due to an external factor exceeds the angle range of the regions R1 to R6, the origin cannot be returned by one origin correction process, but the origin correction process is executed every predetermined time. Therefore, the origin can be corrected reliably.

  In addition, the air blower of this invention is not limited to the structure of the said embodiment, A various change is possible.

  For example, in the above-described embodiment, the angle range for rotating the air blowing unit 640 in the normal operation mode is rotated in the normal rotation direction and contacted with the regulating unit 601, and rotated in the reverse direction to contact the regulating unit 601. Although it was set as the 1st angle range to a position, it should just be below this 1st angle range. That is, the position may be from a position where the blower 640 is rotated in the forward rotation direction and in contact with the restricting portion 601 to a position where the blower 640 is rotated in the reverse rotation direction and is not in contact with the restricting portion 601.

  Moreover, in the said embodiment, although the origin correction process was performed for every predetermined time from the start time of the operation of the dehumidifier 1, the set time to be executed may be set by the user's operation and the use environment It may be set by a preset calculation formula (program) according to the above. Alternatively, the current time may be set, and may be executed every set time (time). Moreover, you may make it perform regularly, such as once in the setting frequency | count. That is, the set time for executing the origin correction process is not limited to the same cycle. Further, for example, by using a motor (driving means) having a function capable of detecting the rotational speed of the output shaft, the rotation angle of the blower 640 can be controlled other than the energizing time for driving the driving means.

Further, in the origin correction process of the first embodiment, the air blower 640 is rotated in the forward rotation direction and the origin is corrected at the rotation angle position P _A1 , but is rotated in the reverse rotation direction and is rotated at the rotation angle position P _A2 . The origin may be corrected, and the origin may be corrected in both the forward direction and the reverse direction.

In the second embodiment, the rotation angle range is divided from the first region R1 to the sixth region R6, and the rotation direction and the correction drive time are set. For example, if the second rotation angle range is set to 45 degrees, will rotational position based on the rotation angle is made from the reference position P _R to the position of each 22.5 degrees forward direction and reverse direction. The origin of the correction process at runtime, when the rotation direction immediately before the blower 640 in the forward direction, will rotational position (reference position P _R from 22.5 degrees in the forward direction position) from the near side of the restricting portion What is necessary is just to rotate the ventilation part 640 to a normal rotation direction exceeding the scheduled angle (65 degree | times) to 601. FIG.

  In addition, the restricting portion 601 is configured with two pairs of projecting portions (contact portions) 655A and 655B formed on the air blowing portion 640 and receiving portions (contact receiving portions) 684A and 684B formed on the restricting member 680. Any one of the pair may be configured, and any configuration that can physically stop the rotation of the blower 640 relative to the head base 610 can be changed as desired.

  The dehumidifier 1 of the present embodiment is, for example, intended to dehumidify indoor air for the purpose of drying the interior of the room, or to dehumidify the moisture of the clothes for the purpose of drying the clothes, or both of these. Includes those that achieve their objectives. Moreover, the origin correction process of the air blower 640, which is a feature of the present invention, is not limited to the dehumidifier 1, but is applied to a humidifier, an air conditioner, a circulator, a cold air fan, and a hot air fan that takes in air and applies it to discharge. Even in this case, similar actions and effects can be obtained. Furthermore, even if it applies to the electric fan which takes in air and discharges it, without adding processes other than pressurization, the same effect | action and effect can be acquired.

1 ... Dehumidifier (Blower)
DESCRIPTION OF SYMBOLS 2 ... Process air path 2a-2e ... Process air path part 3 ... Regeneration air path 3a-3e ... Regeneration air path part 100 ... Main body 101 ... Base 102 ... Base part 103 ... Standing wall part 110A, 110B ... Exterior panel 111A, 111B DESCRIPTION OF SYMBOLS ... Reinforcement panel 112 ... Suction port 200 ... Dehumidification rotor 201 ... Electric motor 250 ... Heater 260 ... Heater case 300 ... Main heat exchanger 320 ... Upper header 330 ... Lower header 350 ... Sub heat exchanger 370 ... Upper header 380 ... Lower header 400 ... Processing air fan (air blowing means)
410 ... Fan case 411 ... Sending part 450 ... Regenerative air fan 460 ... Fan case 461 ... First duct part 462 ... Second duct part 500 ... Duct member 550 ... Biaxial motor 600 ... Head part 601 ... Restriction part 610 ... Head base (Fixed base)
620 ... Base body 621 ... Communication port 622 ... Fitting part 623 ... Stepping motor (drive means)
624 ... 1st gear 625 ... 2nd gear 626 ... 3rd gear 630 ... Base cover 631 ... Communication port 632 ... Boss 640 ... Air blower (rotating part)
641 ... Air blow guide part 642 ... Air outlet 650 ... Air blower body 651 ... Inflow part 651a ... Opening 652 ... Air outlet part 653 ... Gear part 654 ... Communication port 655A, 655B ... Projection part (contact part)
656a, 656b ... frame plate 660 ... louvers 661A to 661D ... vane plate 665 ... stepping motor 670 ... exterior cover 670a ... outer peripheral wall 670b ... upper wall 671 ... first opening 672 ... second opening 680 ... regulating member (closing member) )
681 ... Storage case 682a ... Bottom wall 682b ... Outer peripheral wall 683 ... Screw fixing part 684A, 684B ... Receiving part (contact receiving part)
685 ... Cover 690 ... Operation board 700 ... Water storage unit 720 ... Water storage tank 730 ... Float 800 ... Microcomputer (drive means control unit)
DESCRIPTION OF SYMBOLS 801 ... Humidity sensor 802 ... Photo interrupter 803 ... 1st temperature sensor 804 ... 2nd temperature sensor 805 ... Water level sensor 810 ... Operation panel 811 ... Power switch 812A-812C ... Selection switch 813A-813D ... Setting switch 814A-814D ... Display part P _R ... reference position P _A1 ... first correction position (pre-set rotation angle position)
P _A2 ... second correction position (preset rotation angle position)

Claims (3)

A main body having a suction port and air blowing means;
A rotating part that is rotatably arranged in the main body and has a blowout port that blows out air sucked from the suction port by the blowing means,
Drive means for rotationally driving the rotating part in the forward rotation direction and the reverse rotation direction;
A restricting portion for restricting rotation of the rotating portion with respect to the main body at a preset rotation angle position;
A rotation angle of the rotation part in the normal rotation direction and the reverse rotation direction is controlled via the driving unit, and the rotation part is continuously rotated in an angle range in which the rotation of the rotation part is not restricted by the restriction part. The rotation unit is rotated until the rotation of the rotation unit is regulated by the regulation unit during the process and the first process, and the rotation angle position at the time of the rotation regulation is set as the origin of the rotation angle of the rotation unit. and drive means control unit for executing a second process and that,
The air blower , wherein the second process is executed at each set time . A main body having a suction port and air blowing means;
A rotating part that is rotatably arranged in the main body and has a blowout port that blows out air sucked from the suction port by the blowing means,
Drive means for rotationally driving the rotating part in the forward rotation direction and the reverse rotation direction;
A restricting portion for restricting rotation of the rotating portion with respect to the main body at a preset rotation angle position;
A rotation angle of the rotation part in the normal rotation direction and the reverse rotation direction is controlled via the driving unit, and the rotation part is continuously rotated in an angle range in which the rotation of the rotation part is not restricted by the restriction part. The rotation unit is rotated until the rotation of the rotation unit is regulated by the regulation unit during the process and the first process, and the rotation angle position at the time of the rotation regulation is set as the origin of the rotation angle of the rotation unit. A driving means controller for executing the second process
With
The rotating portion includes an inflow portion that communicates with the suction port and has an opening at an upper end thereof, and an outlet portion that extends outward from the inflow portion and has the outlet at the end portion, and the inflow portion of the rotating portion The said opening of a part is the air blower which is obstruct | occluded by the obstruction | occlusion member. The blower according to claim 2 , wherein the restricting portion includes a contact portion provided in the inflow portion of the rotating portion and a contact receiving portion provided in the closing member and in contact with the contact portion.

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