CN109718613B - Noise-based control method for air purification device and air purification device - Google Patents
Noise-based control method for air purification device and air purification device Download PDFInfo
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- CN109718613B CN109718613B CN201811512077.1A CN201811512077A CN109718613B CN 109718613 B CN109718613 B CN 109718613B CN 201811512077 A CN201811512077 A CN 201811512077A CN 109718613 B CN109718613 B CN 109718613B
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Abstract
The invention relates to a noise-based control method for an air purification device and the air purification device. Specifically, the control method comprises the following steps: detecting the noise generated by the air purification device by using a noise detection module to obtain a noise value; detecting the air quantity at the air supply opening by using an air quantity detection module to obtain an air quantity value; after the noise value is greater than the target noise value for the Nth time, controlling the air supply module according to the air volume value and the Nth target air volume value so as to keep the air volume at the air supply opening at the Nth target air volume value, wherein N is a natural number greater than or equal to 1; and when N is greater than 1, the Nth target air flow value is less than the (N-1) th target air flow value. The air supply quantity of the air purification device can be controlled according to the noise value, the air supply quantity of the air purification device can be ensured to be constant as much as possible, the noise generated by the air purification device can be lower, and a comfortable living and working environment is provided for users.
Description
Technical Field
The invention relates to the field of air treatment equipment, in particular to a noise-based control method for an air purification device and the air purification device.
Background
At present, air purification device can be in long-term operating condition as the clarification plant that family commonly used in daily life, and through long-time continuous use, particulate matter in the air can deposit on the consumptive material and then lead to the consumptive material resistance increase, can lead to air purification device amount of wind to diminish after the resistance increase, can't reach the effect of clean room air.
Disclosure of Invention
The invention aims to overcome at least one defect of the existing air purification device, and provides a noise-based control method of the air purification device and the air purification device, which can ensure that the air supply quantity of the air purification device is constant as much as possible, ensure that the noise generated by the air purification device is low, provide comfortable living and working environments for users, use the air purification device for as long as possible, prolong the service life of the air purification device and reduce the cost.
Therefore, on one hand, the invention provides a noise-based control method for an air purification device, wherein the air purification device comprises an air supply outlet, a filtering module, an air supply module, an air volume detection module and a noise detection module; the air supply module is configured to promote air to flow to the air supply outlet after being filtered by the filtering module; the air volume detection module is configured to detect the air volume at the air supply port; the noise detection module is configured to detect noise generated by the air purification device; wherein the control method comprises the following steps:
detecting the air quantity at the air supply opening by using the air quantity detection module to obtain an air quantity value; detecting the noise generated by the air purification device by using the noise detection module to obtain a noise value;
after the noise value is greater than the target noise value for the Nth time, controlling an air supply module according to the air volume value and an Nth target air volume value so as to keep the air volume at the air supply opening at the Nth target air volume value, wherein N is a natural number greater than or equal to 1; and when N is larger than 1, the control method sequentially executes the operation from the first time that the noise value is larger than the target noise value to the Nth time that the noise value is larger than the target noise value, wherein the Nth target air volume value is smaller than the N-1 th target air volume value.
Optionally, the control method further includes:
after the noise value is larger than the target noise value again, controlling an air supply module according to the noise value and the target noise value so as to keep the noise generated by the air purification device at the target noise value and judge whether the air quantity value is smaller than the Nth target air quantity value or not;
and if the air volume value is smaller than the Nth target air volume value, judging that the filtering module loses the filtering function.
Optionally, the control method further includes:
after the noise value is larger than the target noise value again, controlling an air supply module according to the noise value and the target noise value so as to keep the noise generated by the air purification device at the target noise value and judge whether the air quantity value is smaller than an N +1 th target air quantity value or not; the N +1 th target air quantity value is smaller than the Nth target air quantity value;
and if the air volume value is smaller than the (N + 1) th target air volume value, judging that the filtering module loses the filtering function.
Optionally, the control method further includes: and when the noise value is larger than the target noise value again, judging that the filtering module loses the filtering function.
Optionally, the control method further includes: controlling an air supply module according to the air quantity value and the (N + 2) th target air quantity value to enable the air quantity at the air supply port to be kept at the (N + 2) th target air quantity value until the noise value is larger than the target noise value for the first time; the N +2 th target air flow value is greater than the first target air flow value.
Optionally, the N +2 th and nth target air volume values are determined according to room area.
Optionally, a ratio between the N +2 th target air volume value and the nth target air volume value is 1.5 to 2.1.
Optionally, the air supply module is controlled using a PID controller.
Optionally, the control method further includes: before first powering on, a room area signal is received.
Optionally, the N +2 th target air volume value is 13 to 17 times the room area.
On the other hand, the invention also provides an air purification device adopting any one of the control methods, which comprises an air supply outlet, a filtering module, an air supply module, an air volume detection module and a noise detection module; the air supply module is configured to promote air to flow to the air supply outlet after being filtered by the filtering module; the air volume detection module is configured to detect the air volume at the air supply port; the noise detection module is configured to detect noise generated by the air purification device.
Optionally, the air purification device is a fresh air fan or an indoor air circulation purification device.
The control method based on noise of the air purification device and the air purification device can control the air output of the air purification device according to the noise value, can ensure the constant air output of the air purification device as much as possible, can make the noise generated by the air purification device lower, provide comfortable living and working environment for users, use the air purification device as long as possible, prolong the service life of the air purification device and reduce the cost.
Furthermore, the service life of the filter module can be determined according to the noise value and the like, a user is reminded to replace or clean the filter module, the control is convenient, the prompt is accurate, the service life of the filter module is prolonged as far as possible under the environment that the user is comfortable to use, or the cleaning time interval of the filter module is prolonged, and the cost is low. In addition, the noise of the air purification device can be prevented from rising as much as possible when the noise is high, the air supply volume is large, and a comfortable living and working environment is provided for users.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic flow chart of a noise-based control method of an air cleaning apparatus according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic flow chart of a noise-based control method of an air cleaning apparatus according to an embodiment of the present invention. As shown in fig. 1, an embodiment of the present invention provides a noise-based control method for an air purification apparatus. The air purification device can comprise an air supply outlet, a filtering module, an air supply module, an air quantity detection module and a noise detection module. The air supply module is configured to promote the air to flow to the air supply outlet after being filtered by the filtering module. The air volume detection module is configured to detect the air volume at the air supply port. The noise detection module is configured to detect noise generated by the air purification device. The filtering module is preferably a filter screen, and the air supply module is preferably a fan. The control method of the air purification device based on the noise can comprise the following steps:
detecting the air quantity at the air supply opening by using an air quantity detection module to obtain an air quantity value; and detecting the noise generated by the air purification device by using a noise detection module to obtain a noise value. After the Nth time that the noise value is larger than the target noise value, controlling an air supply module according to the air volume value and an Nth target air volume value so as to keep the air volume at the air supply opening at the Nth target air volume value; n is a natural number greater than or equal to 1. For example, when N is 1, that is, after the noise value is greater than the target noise value for the first time, the air supply module is controlled according to the air volume value and the first target air volume value, so that the air volume at the air supply opening is maintained at the first target air volume value, and the first target air volume value can be configured to reduce the noise generated by the air purification device when the air purification device continues to operate. The air supply module can be controlled by a PID controller.
Further, N may be 2, 3, 4, or the like. And when N is larger than 1, the control method sequentially executes the operation from the first time that the noise value is larger than the target noise value to the Nth time that the noise value is larger than the target noise value. The Nth target air flow value is less than the (N-1) th target air flow value. That is to say, along with the progress of air purification device work, the target constant air volume can be littleer and littleer, nevertheless satisfies air purification operation requirement, prevents the noise increase to provide the comfortable clean living operational environment of warmth.
The inventor finds that along with the use of the air purification device, if the constant air volume is continuously ensured by increasing the rotating speed, the noise of the air purification device is increased, and after the noise is increased to a certain degree, the life and the work of a user can be influenced. Therefore, the inventor proposes to control the operation of the fan according to the noise value, and after the noise value reaches the preset target noise value, the air purification device operates according to the constant air volume of the corresponding target air volume value, so as to reduce the noise generated by the air purification device, and the air purification device has enough air volume, so as to keep a comfortable living and working environment as much as possible. The control method provided by the invention not only ensures the air volume of the air purification device, but also meets the noise index, thereby meeting the comfort requirement of the air purification device.
In some embodiments of the invention, the control method further comprises: controlling the air supply module according to the air quantity value and the (N + 2) th target air quantity value to keep the air quantity at the air supply port at the (N + 2) th target air quantity value until the noise value is greater than the target noise value for the first time; the N +2 th target air volume value is greater than the first target air volume value. That is, before the noise value is greater than the target noise value for the first time, the air supply module is controlled according to the air volume value and the (N + 2) th target air volume value, so that the air volume at the air supply opening is kept at the (N + 2) th target air volume value, and the high efficiency of the air purification device can be ensured. Before the noise reaches the preset target noise value for the first time, the air purification device works according to the constant air volume of the (N + 2) th target air volume value. In order to improve the detection accuracy, a plurality of detection modules can be adopted to simultaneously detect and take an average value, and a plurality of continuously detected numerical values can also be taken to carry out average calculation to obtain the average value.
In some embodiments of the present invention, the control method further includes controlling the air supply module according to the noise value and the target noise value after the noise value is greater than the target noise value again, so that the noise generated by the air purification device is maintained at the target noise value, and whether the air volume value is smaller than the nth target air volume value is determined; and if the air volume value is smaller than the Nth target air volume value, judging that the filtering module loses the filtering function. If the air volume value is larger than or equal to the Nth target air volume value, the air purification device can continue to work until the air volume value is smaller than the Nth target air volume value, and the filtering module is judged to lose the filtering function. The control is convenient, the prompt is accurate, the service life of the filter module is prolonged as far as possible under the environment that the user is comfortable to use, or the cleaning time interval of the filter module is prolonged, and the cost is low.
In alternative embodiments of the present invention, the filter module may be determined to be disabled when the noise value is again greater than the target noise value. In other alternative embodiments of the present invention, after the noise value is again greater than the target noise value, the air supply module is controlled according to the noise value and the target noise value, so that the noise generated by the air purification device is kept at the target noise value, and whether the air volume value is less than the N +1 th target air volume value is determined; the N +1 th target air quantity value is smaller than the Nth target air quantity value; and if the air volume value is smaller than the (N + 1) th target air volume value, judging that the filtering module loses the filtering function.
In some embodiments of the invention, the N +2 th and nth target air flow values are determined from the room area. Before first powering on, a room area signal is received. The N +2 th target air volume value is 13 to 17 times, preferably 15 times, the room area. The ratio between the N +2 th target air amount value and the nth target air amount value is 1.5 to 2.1. The nth target air volume value is preferably 8 times the area of the room. The second target air volume may be a minimum air volume satisfying the purification effect.
The embodiment of the invention also provides an air purification device adopting any one of the control methods, which comprises an air supply outlet, a filtering module, an air supply module, an air volume detection module and a noise detection module; the air supply module is configured to promote the air to flow to the air supply outlet after being filtered by the filtering module; the air quantity detection module is configured to detect the air quantity at the air supply opening; the noise detection module is configured to detect noise generated by the air purification device. Further, the air purification device is a fresh air fan or indoor air circulation purification equipment.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (5)
1. The noise-based control method of the air purification device is characterized in that the air purification device comprises an air supply outlet, a filtering module, an air supply module, an air volume detection module and a noise detection module; the air supply module is configured to promote air to flow to the air supply outlet after being filtered by the filtering module; the air volume detection module is configured to detect the air volume at the air supply port; the noise detection module is configured to detect noise generated by the air purification device; wherein the control method comprises the following steps:
detecting the noise generated by the air purification device by using the noise detection module to obtain a noise value; detecting the air quantity at the air supply opening by using the air quantity detection module to obtain an air quantity value;
controlling an air supply module according to the air quantity value and the (N + 2) th target air quantity value to enable the air quantity at the air supply port to be kept at the (N + 2) th target air quantity value until the noise value is larger than a target noise value for the first time; the N +2 th target air quantity value is greater than the first target air quantity value;
after the noise value is greater than the target noise value for the Nth time, controlling an air supply module according to the air volume value and an Nth target air volume value so as to keep the air volume at the air supply opening at the Nth target air volume value, wherein N is a natural number greater than 1; the control method sequentially executes the operation from the first time that the noise value is greater than the target noise value to the Nth time that the noise value is greater than the target noise value, wherein the Nth target air quantity value is smaller than the N-1 target air quantity value;
after the noise value is larger than the target noise value again, controlling an air supply module according to the noise value and the target noise value so as to keep the noise generated by the air purification device at the target noise value and judge whether the air quantity value is smaller than the Nth target air quantity value or not; and if the air volume value is smaller than the Nth target air volume value, judging that the filtering module loses the filtering function.
2. The control method according to claim 1, wherein the N +2 th target air volume value and the nth target air volume value are determined according to a room area.
3. The control method according to claim 2, wherein a ratio between the N +2 th target air amount value and the nth target air amount value is 1.5 to 2.1.
4. The control method of claim 1, wherein the air supply module is controlled using a PID controller.
5. The control method according to claim 2, wherein the N +2 th target air volume value is 13 to 17 times the room area.
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| CN201811512077.1A CN109718613B (en) | 2018-12-11 | 2018-12-11 | Noise-based control method for air purification device and air purification device |
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