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JP-7857153-B2 - humidifier

JP7857153B2JP 7857153 B2JP7857153 B2JP 7857153B2JP-7857153-B2

Inventors

  • 森田 浩平

Assignees

  • シャープ株式会社

Dates

Publication Date
20260512
Application Date
20220511

Claims (8)

  1. A humidifying unit comprising a humidifying rotor having a humidifying filter , and a rotating part that rotates the humidifying rotor, A blower unit that generates airflow passing through the humidifying filter, The system comprises a control unit that controls the humidifying unit and the blowing unit, The control unit causes the rotating unit to perform control such that the first rotation of the humidifying rotor when the humidifying unit is to be operated silently is suppressed more than the second rotation of the humidifying rotor when the humidifying unit is to be operated non-silently . The control unit operates the air blower and intermittently rotates the humidifier rotor during silent operation. humidifier.
  2. The humidifying rotor is equipped with a humidifying filter, The humidifying unit includes a tray for storing water to moisten the humidifying filter, The humidifier according to claim 1, wherein the control unit, when causing the humidifier to perform the silent operation, stops the humidifier rotor in the rotating unit at a position where the humidifier filter is immersed in the water.
  3. The humidifying filter is a pleated filter having folds, The humidifier according to claim 2, wherein when the humidifying rotor stops at the position, the fold intersects the water surface at an angle of 80° to 100°.
  4. The humidifying rotor is equipped with a humidifying filter, The humidifying unit includes a tray for storing water to moisten the humidifying filter, The humidifier according to claim 1, wherein the control unit, when causing the humidifier to perform silent operation, causes the rotating unit to rotate the humidifying rotor to immerse the humidifying filter in the water, and either or both of the following are performed: the rotation frequency of the humidifying rotor when the humidifier is performing silent operation is lower than the rotation frequency of the humidifying rotor when the humidifier is performing non-silent operation, and the rotation speed of the humidifying rotor when the humidifier is performing silent operation is slower than the rotation speed of the humidifying rotor when the humidifier is performing non-silent operation.
  5. The humidifier according to claim 1, wherein the control unit acquires humidity, and if the humidity difference between the target humidity and the humidity is less than or equal to a set humidity difference, it suppresses the first rotation more than the second rotation, and if the humidity difference is greater than the set humidity difference, it does not suppress the first rotation more than the second rotation.
  6. A humidifying unit comprising a humidifying rotor and a rotating part that rotates the humidifying rotor, The system includes a control unit that causes the rotating unit to perform control such that the first rotation of the humidifying rotor when the humidifying unit is to be operated silently is suppressed compared to the second rotation of the humidifying rotor when the humidifying unit is to be operated non-silently, The humidifying rotor is equipped with a humidifying filter, The humidifying unit includes a tray for storing water to moisten the humidifying filter, When the control unit causes the humidifier to perform silent operation, it causes the rotating unit to rotate the humidifier rotor to immerse the humidifier filter in the water, and it performs both or either of the following: the rotation frequency of the humidifier rotor when the humidifier is performing silent operation is lower than the rotation frequency of the humidifier rotor when the humidifier is performing non-silent operation, and the rotation speed of the humidifier rotor when the humidifier is performing silent operation is slower than the rotation speed of the humidifier rotor when the humidifier is performing non-silent operation. When the humidifier is to perform the non-silent operation, the control unit will instruct the rotating unit to rotate the humidifier rotor at a second rotational speed, and when the humidifier is to perform the silent operation, the control unit will instruct the rotating unit to alternately rotate the humidifier rotor at a first rotational speed slower than the second rotational speed and stop. humidifier .
  7. A humidifying unit comprising a humidifying rotor and a rotating part that rotates the humidifying rotor, The system includes a control unit that causes the rotating unit to perform control such that the first rotation of the humidifying rotor when the humidifying unit is to be operated silently is suppressed compared to the second rotation of the humidifying rotor when the humidifying unit is to be operated non-silently, The control unit acquires the humidity, and if the humidity difference between the target humidity and the acquired humidity is less than or equal to a set humidity difference, it suppresses the first rotation more than the second rotation; if the humidity difference is greater than the set humidity difference, it does not suppress the first rotation more than the second rotation. The control unit changes the first rotation from a rotation that is less restricted than the second rotation to a rotation that is more restricted than the second rotation when the humidity difference decreases beyond the first humidity difference, and changes the first rotation from a rotation that is more restricted than the second rotation to a rotation that is less restricted than the second rotation when the humidity difference increases beyond the second humidity difference. The second humidity difference is greater than the first humidity difference. humidifier .
  8. A humidifying unit comprising a humidifying rotor and a rotating part that rotates the humidifying rotor, The system includes a control unit that causes the rotating unit to perform control such that the first rotation of the humidifying rotor when the humidifying unit is to be operated silently is suppressed compared to the second rotation of the humidifying rotor when the humidifying unit is to be operated non-silently, The control unit suppresses the first rotation compared to the second rotation until a set time has elapsed since the start of the silent operation of the humidifier, and does not suppress the first rotation compared to the second rotation after the set time has elapsed since the start of the silent operation of the humidifier. humidifier .

Description

This disclosure relates to a humidifier. In humidifiers, a humidifying rotor that passes air through and humidifies the air may be rotated. Patent Document 1 relates to a mist generating device. In this mist generating device, a mist motor rotates a rotating body to disperse water. Furthermore, when the silent switch is turned ON, the control unit reduces the rotation speed of the mist motor by 200 rpm from a predetermined value (paragraphs 0010 and 0031). Japanese Patent Publication No. 2016-148489 This is an exploded perspective view schematically illustrating the air purifier of the first embodiment.This is a schematic cross-sectional view illustrating the air purifier of the first embodiment.This is a schematic perspective view illustrating the humidifying rotor provided in the air purifier of the first embodiment.This is a block diagram of the control system provided in the air purifier of the first embodiment.This graph shows the time change of the rotation speed of the humidifying rotor provided in the humidifying unit of the air purifier of the first embodiment when the humidifying unit is operating in non-silent mode in continuous humidification mode.This graph shows the time change of the rotation speed of the humidifying rotor provided in the humidifying unit of the air purifier of the first embodiment when the humidifying unit is operating in intermittent humidification mode without making noise.This is a schematic cross-sectional view illustrating the state of the humidifier unit in the air purifier of the first embodiment when the humidifier rotor in the humidifier unit stops while the humidifier unit is operating in intermittent humidification mode without silent noise.This graph shows the time change of the rotation speed of the humidifying rotor provided in the humidifying unit of the air purifier of the first embodiment when the humidifying unit is operating silently in stop mode.This is a schematic cross-sectional view illustrating the state of the humidifier unit in the air purifier of the first embodiment when the humidifier rotor in the humidifier unit stops while the humidifier unit is operating silently in stop mode.This graph shows the time change of the rotation speed of the humidifying rotor provided in the humidifying unit of the air purifier of the first embodiment when the humidifying unit is operating quietly in intermittent rotation mode.This flowchart shows a first example of the processing flow performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a second example of the processing flow performed by the control unit provided in the air purifier of the first embodiment.This figure illustrates hysteresis control performed in a second example of the processing flow carried out by the control unit provided in the air purifier of the first embodiment.This flowchart shows a third example of the processing flow performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a fourth example of the processing flow performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a first example of the process flow for determining whether or not to perform silent operation, which is performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a second example of the process flow for determining whether or not to perform silent operation, which is performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a third example of the process flow for determining whether or not to perform silent operation, which is performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a fourth example of the process flow for determining whether or not to perform silent operation, which is performed by the control unit provided in the air purifier of the first embodiment.This flowchart shows a fifth example of the process flow for determining whether or not to perform silent operation, which is performed by the control unit provided in the air purifier of the first embodiment. The embodiments of this disclosure will be described below with reference to the drawings. In the drawings, identical or equivalent elements are denoted by the same reference numerals, and redundant descriptions are omitted. 1. First Embodiment 1.1 Air Purifier Figure 1 is an exploded perspective view schematically illustrating the air purifier of the first embodiment. Figure 2 is a cross-sectional view schematically illustrating the air purifier of the first embodiment. The air purifier 1 of the first embodiment, as illustrated in Figures 1 and 2, has an air purification function that cleans the air around the air purifier 1 and a humidification function that humidifies the air. Therefore, the air purifier 1 also functions as a humidifier. The air purifier 1 can perform bot