阅读说明：本技术 基于毫米波的湿度检测方法、检测装置、湿度调整设备及空调 (Humidity detection method and device based on millimeter waves, humidity adjustment equipment and air conditioner ) 是由 梁炯辉 何松耀 龚梁 于 2019-08-19 设计创作，主要内容包括：本发明提供了一种基于毫米波的湿度检测装置,包括信号发送模块、信号接收模块和信号处理模块,信号发送模块向待检测湿度的区域发送毫米波,信号接收模块接收信号发送模块发送的毫米波,信号处理模块包括：差值计算单元：用于计算出信号发送模块发送的毫米波的参数值与信号接收模块接收的毫米波的参数值的差值；湿度值获取单元：用于根据所述差值与湿度值的对应关系查询该差值所对应的湿度值,将该湿度值作为待检测湿度的区域的湿度值；湿度判断单元：用于将待检测湿度的区域的湿度值与湿度阈值比较,判断待检测湿度的区域的湿度情况基于毫米波的湿度检测装置可节约成本。(The invention provides a humidity detection device based on millimeter waves, which comprises a signal sending module, a signal receiving module and a signal processing module, wherein the signal sending module sends millimeter waves to a region to be detected with humidity, the signal receiving module receives the millimeter waves sent by the signal sending module, and the signal processing module comprises: a difference value calculation unit: the device is used for calculating the difference value between the parameter value of the millimeter wave sent by the signal sending module and the parameter value of the millimeter wave received by the signal receiving module; a humidity value acquisition unit: the humidity value corresponding to the difference value is inquired according to the corresponding relation between the difference value and the humidity value, and the humidity value is used as the humidity value of the area to be detected; a humidity determination unit: the humidity detection device for comparing the humidity value of the area to be detected with the humidity threshold value and judging the humidity condition of the area to be detected with the humidity can save cost.)

1. A humidity detection method based on millimeter waves is characterized by comprising the following steps:

a millimeter wave transmitting and receiving step: sending millimeter waves to a region to be detected for humidity and receiving millimeter wave signals returned by the millimeter waves,

and a difference value calculation step: calculating a difference value between the parameter value of the millimeter wave transmitted by the signal transmitting module and the parameter value of the millimeter wave received by the signal receiving module;

a humidity value acquisition step: inquiring a humidity value corresponding to the difference value according to the corresponding relation between the difference value and the humidity value, and taking the humidity value as the humidity value of the area to be detected;

a humidity judgment step: and comparing the humidity value of the area to be detected with the humidity threshold value, and judging the humidity condition of the area to be detected.

2. A humidity detection method according to claim 1, wherein said humidity judgment step further comprises a humidity threshold setting sub-step of: the set humidity threshold comprises a first humidity threshold SL and a second humidity threshold SH, and the first humidity threshold SL is smaller than the second humidity threshold SH.

3. The humidity detecting apparatus according to claim 1, wherein the humidity value obtaining step further comprises a sub-area dividing step of: and dividing the area to be detected with the humidity into a plurality of subareas to be detected with the humidity.

4. A humidity detection device according to claim 3, wherein the humidity determination step specifically comprises: comparing the humidity value S1 and S2 … … Sn of each sub-area to be detected with the first humidity threshold SL and the second humidity threshold SH respectively, and if the humidity value S1 and S2 … … Sn of each sub-area to be detected are smaller than the first humidity threshold SL, judging that the humidity of the area to be detected is low; if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are both larger than the second humidity threshold SH, the humidity of the area to be detected with the humidity is judged to be high, and if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are not all lower than the first humidity threshold SL, the area to be detected is judged to comprise the sub-area with the high humidity and the sub-area with the low humidity.

5. A humidity detection device based on millimeter waves, characterized in that, the humidity detection device is used to implement the humidity detection method of claim 1, and comprises a signal sending module, a signal receiving module and a signal processing module, wherein the signal sending module sends millimeter waves to an area to be detected with humidity, the signal receiving module receives the millimeter waves sent by the signal sending module, and the signal processing module comprises:

a difference value calculation unit: the device is used for calculating the difference value between the parameter value of the millimeter wave sent by the signal sending module and the parameter value of the millimeter wave received by the signal receiving module;

a humidity value acquisition unit: the humidity value corresponding to the difference value is inquired according to the corresponding relation between the difference value and the humidity value, and the humidity value is used as the humidity value of the area to be detected;

a humidity determination unit: and the humidity detection device is used for comparing the humidity value of the area to be detected with the humidity threshold value and judging the humidity condition of the area to be detected with the humidity.

6. The humidity detecting apparatus according to claim 5, wherein the humidity judging unit further comprises a humidity threshold setting subunit: the humidity setting module is used for setting the humidity threshold value to include a first humidity threshold value SL and a second humidity threshold value SH, wherein the first humidity threshold value SL is smaller than the second humidity threshold value SH.

7. The humidity detection apparatus according to claim 5, wherein the humidity value acquisition unit further comprises a sub-division molecular unit: the humidity detection device is used for dividing the area to be detected into a plurality of subareas to be detected.

8. The humidity detection device according to claim 5, wherein the humidity determination unit is specifically: comparing the humidity value S1 and S2 … … Sn of each sub-area to be detected with the first humidity threshold SL and the second humidity threshold SH respectively, and if the humidity value S1 and S2 … … Sn of each sub-area to be detected are smaller than the first humidity threshold SL, judging that the humidity of the area to be detected is low; if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are both larger than the second humidity threshold SH, the humidity of the area to be detected with the humidity is judged to be high, and if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are not all lower than the first humidity threshold SL, the area to be detected is judged to comprise the sub-area with the high humidity and the sub-area with the low humidity.

9. A humidity control device, comprising the humidity detection apparatus according to any one of claims 5 to 8 and a controller, wherein the area to be detected is a room, the controller obtains the judgment result of the judgment unit, and if the humidity judgment unit judges that the room has low humidity, the humidity control device performs a humidification operation; and if the humidity judging unit judges that the humidity of the room is high, the humidity adjusting device executes dehumidification operation.

10. An air conditioner, comprising the humidity detecting device according to any one of claims 5 to 8.

11. The air conditioner of claim 10, wherein the humidity detection device is disposed on a main control panel of the air conditioner.

12. The air conditioner according to claim 11, wherein: and the main control panel of the air conditioner adjusts the air sweeping speed of the air conditioner according to the humidity and the area information sent by the humidity detection device.

13. The air conditioner according to claim 12, wherein: the air conditioner main control board specifically adjusts the air sweeping speed as follows: if the humidity judging unit judges that the humidity condition is: when the air conditioner runs in a sweeping mode, when the air of the air conditioner sweeps across the subarea with high humidity, the sweeping speed is reduced, the air quantity is increased, and the air is dried and then is sent out; when the air of the air conditioner sweeps through a subarea with low humidity, the sweeping speed is reduced, the air quantity is increased, and the air is sent out after being humidified.

14. The air conditioner according to claim 13, wherein: when the air conditioner main control panel adjusts the air sweeping speed, the air outlet direction of the air conditioner is controlled to be aligned to an area with low humidity or an area with high humidity.

15. The air conditioner according to claim 13 or 14, wherein: when the air conditioner main control board adjusts the air sweeping speed, the air conditioner main control board controls the air sweeping time of the air conditioner aiming at the area with low humidity or the area with high humidity.

Technical Field

The invention relates to the field of humidity detection, in particular to a humidity detection method, a humidity detection device, humidity adjusting equipment and an air conditioner based on millimeter waves.

Background

Disclosure of Invention

One of the objectives of the present invention is to provide a humidity detection method and apparatus based on millimeter waves, which can save cost. In order to achieve the aim, the technical scheme of the invention is as follows:

a humidity detection method based on millimeter waves comprises the following steps:

a millimeter wave transmitting and receiving step: sending millimeter waves to a region to be detected for humidity and receiving millimeter wave signals returned by the millimeter waves,

and a difference value calculation step: calculating a difference value between the parameter value of the millimeter wave transmitted by the signal transmitting module and the parameter value of the millimeter wave received by the signal receiving module;

a humidity value acquisition step: inquiring a humidity value corresponding to the difference value according to the corresponding relation between the difference value and the humidity value, and taking the humidity value as the humidity value of the area to be detected;

a humidity judgment step: and comparing the humidity value of the area to be detected with the humidity threshold value, and judging the humidity condition of the area to be detected.

Preferably, the humidity determining step further includes a humidity threshold setting substep of: the set humidity threshold comprises a first humidity threshold SL and a second humidity threshold SH, and the first humidity threshold SL is smaller than the second humidity threshold SH.

Preferably, the humidity value acquiring step further includes a sub-area dividing step: the area of the humidity to be detected is divided into a plurality of subareas of the humidity to be detected, and more accurate humidity data can be obtained by setting the subareas.

Preferably, the humidity judging step specifically includes: comparing the humidity value S1 and S2 … … Sn of each sub-area to be detected with the first humidity threshold SL and the second humidity threshold SH respectively, and if the humidity value S1 and S2 … … Sn of each sub-area to be detected are smaller than the first humidity threshold SL, judging that the humidity of the area to be detected is low; if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are both larger than the second humidity threshold SH, the humidity of the area to be detected with the humidity is judged to be high, and if the humidity values S1 and S2 … … Sn of each sub-area to be detected with the humidity are not all lower than the first humidity threshold SL, the area to be detected is judged to comprise the sub-area with the high humidity and the sub-area with the low humidity.

The invention also provides a humidity detection device based on millimeter waves, which comprises a signal sending module, a signal receiving module and a signal processing module, wherein the signal sending module sends millimeter waves to a region to be detected with humidity, and the signal receiving module receives the millimeter waves sent by the signal sending module, and is characterized in that the signal processing module comprises:

a difference value calculation unit: the device is used for calculating the difference value between the parameter value of the millimeter wave sent by the signal sending module and the parameter value of the millimeter wave received by the signal receiving module;

a humidity value acquisition unit: the humidity value corresponding to the difference value is inquired according to the corresponding relation between the difference value and the humidity value, and the humidity value is used as the humidity value of the area to be detected;

a humidity determination unit: and the humidity detection device is used for comparing the humidity value of the area to be detected with the humidity threshold value and judging the humidity condition of the area to be detected with the humidity.

Preferably, the humidity determination unit further includes a humidity threshold setting subunit: the humidity setting module is used for setting the humidity threshold value to include a first humidity threshold value SL and a second humidity threshold value SH, wherein the first humidity threshold value SL is smaller than the second humidity threshold value SH.

Preferably, the humidity value acquiring unit further includes a sub-region dividing unit: the humidity detection device is used for dividing the area to be detected into a plurality of subareas to be detected.

Preferably, the humidity determination unit specifically includes: comparing the humidity value S1 and S2 … … Sn of each sub-area to be detected with the first humidity threshold SL and the second humidity threshold SH respectively, and if the humidity value S1 and S2 … … Sn of each sub-area to be detected are smaller than the first humidity threshold SL, judging that the humidity of the area to be detected is low; if the humidity values S1 and S2 … … Sn of each sub-area to be detected with humidity are greater than the second humidity threshold SH, it is determined that the humidity of the area to be detected with humidity is high, and if the humidity values S1 and S2 … … Sn are not all lower than the first humidity threshold SL, it is determined that the area to be detected includes the sub-area with high humidity and the sub-area with low humidity.

The invention has the beneficial effects that: according to the humidity detection method and device based on the millimeter waves, the characteristics that the humidity of the medium water vapor in the air can absorb the millimeter waves and the air with different humidity has different attenuation capacities to the millimeter waves are utilized, the humidity condition of the area to be detected with the humidity can be analyzed by comparing the strength of the transmitted millimeter wave signals with the strength of the signals fed back by the millimeter wave signals, a humidity sensor is not used, various costs brought by the humidity sensor are reduced, the after-sale failure rate of the humidity sensor can be reduced, and the quality of products is improved.

It is another object of the present invention to provide a humidity control apparatus, which is capable of detecting humidity at a lower cost.

The technical scheme of the invention is as follows:

the humidity adjusting device comprises the humidity detection device and the controller, wherein the area to be detected with humidity is a room, the controller obtains the judgment result of the judgment unit, and if the humidity judgment unit judges that the room is low in humidity, the humidity adjusting device executes humidification operation; and if the humidity judging unit judges that the humidity of the room is high, the humidity adjusting device executes dehumidification operation.

The invention has the beneficial effects that: the humidity adjusting device of the invention comprises the humidity detecting device, so that a humidity sensor is not used, various costs brought by the humidity sensor can be reduced, the after-sale failure rate of the humidity sensor can be reduced, and the quality of products is improved.

The invention also aims to provide an air conditioner, which has lower humidity detection cost.

The technical scheme of the invention is as follows:

the air conditioner comprises the humidity detection device.

Preferably, the humidity detection device is arranged on a main control panel of the air conditioner.

Preferably: and the main control panel of the air conditioner adjusts the air sweeping speed of the air conditioner according to the humidity and the area information sent by the humidity detection device.

Preferably: the air conditioner main control board specifically adjusts the air sweeping speed as follows: if the humidity judging unit judges that the humidity condition is: when the air conditioner runs in a sweeping mode, when the air of the air conditioner sweeps across the subarea with high humidity, the sweeping speed is reduced, the air quantity is increased, and the air is dried and then is sent out; when the air of the air conditioner sweeps through a subarea with low humidity, the sweeping speed is reduced, the air quantity is increased, and the air is sent out after being humidified.

Preferably, when the air conditioner main control panel adjusts the air sweeping speed, the air outlet direction of the air conditioner is controlled to be aligned to an area with low humidity or an area with high humidity.

Preferably, the air conditioner main control panel controls the air conditioner to be aligned with the low humidity area or the high humidity area when adjusting the air sweeping speed.

The invention has the beneficial effects that: the air conditioner of the invention, because of comprising the above-mentioned humidity detection device, can not use the humidity sensor, can reduce various costs that the humidity sensor brings, can also reduce the after-sales failure rate of the humidity sensor at the same time, improve the quality of the products.

Drawings

Fig. 1 is a flow chart of the air conditioner of the present invention.

Fig. 2 is a diagram illustrating the correspondence between the difference (wavelength of loss) and the humidity value (relative humidity) according to the embodiment of the present invention.

Detailed Description