WO2022111410A1 - 位置检测方法、空调器及其控制方法 - Google Patents
位置检测方法、空调器及其控制方法 Download PDFInfo
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- WO2022111410A1 WO2022111410A1 PCT/CN2021/132076 CN2021132076W WO2022111410A1 WO 2022111410 A1 WO2022111410 A1 WO 2022111410A1 CN 2021132076 W CN2021132076 W CN 2021132076W WO 2022111410 A1 WO2022111410 A1 WO 2022111410A1
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- detection area
- coordinate system
- preset
- target
- detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 308
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000015654 memory Effects 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 11
- 230000003068 static effect Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present invention relates to the technical field of air conditioners, and in particular, to a position detection method based on a microwave sensor, an air conditioner and a control method thereof, and a computer-readable storage medium.
- indoor non-contact position sensors mainly include infrared and microwave.
- Pyroelectric point sensors have low detection accuracy and small detection range; thermopile sensors have high cost and relatively small detection range, and basically need a motorized mechanism to achieve effective detection of the area.
- Microwave sensor is a device that uses microwave characteristics to detect some physical quantities. It has high detection sensitivity, large detection range, and lower cost than thermopile sensors. It is gradually being used in the field of home appliance position detection. Due to cost constraints, microwave sensors, especially 24G sensors, cannot detect static targets.
- An object of the first aspect of the present invention is to overcome at least one defect of the prior art, and to provide a position detection method based on a microwave sensor that can realize static detection.
- a further object of the first aspect of the present invention is to improve the accuracy of position detection.
- the object of the second aspect of the present invention is to provide an air conditioner control method for detecting the position of a target human body using the above-mentioned position detection method.
- the object of the third aspect of the present invention is to provide an air conditioner for detecting the position of a target human body using the above position detection method.
- the object of the fourth aspect of the present invention is to provide a computer-readable storage medium capable of executing the above-mentioned position detection method.
- the present invention provides a position detection method based on a microwave sensor, comprising:
- the step of judging whether the location of the detection target is in the preset detection area according to the position information includes:
- the steps include:
- the boundary of the reference coordinate range is adjacent to the boundary of the coordinate range of the preset detection area in the coordinate system
- the coordinate range of the preset detection area in the coordinate system and the reference coordinate range are both sector-shaped with the origin of the coordinate system as the center of the circle;
- the radius of the coordinate range of the preset detection area in the coordinate system is greater than the radius of the reference coordinate range.
- the steps include:
- the coordinate range of the preset detection area in the coordinate system is a sector whose center is the origin of the coordinate system;
- the preset rule is: divide the radius of the sector into several segments, so as to form several separation points on the radius of the sector; take the origin of the coordinate system as the center of the circle, and take the origin of the coordinate system as the center of the circle.
- the distance to each of the separation points is used as the radius to make several arcs, so that the coordinate range of the preset detection area in the coordinate system is divided into several arcs by using the several arcs. sub-coordinate range.
- the present invention also provides a control method for an air conditioner, comprising:
- the air supply state of the air conditioner in the preset detection area is adjusted according to the detection result.
- the step of adjusting the air supply state of the air conditioner in the preset detection area according to the detection result includes:
- the air conditioner When the air conditioner is set to a direct-blowing mode that supplies air toward the target human body, and a target human body exists in the preset detection area, controlling the air conditioner to supply air toward the preset detection area;
- the air conditioner When the air conditioner is set to an anti-direct blowing mode that avoids the target human body to supply air and there is a target human body in the preset detection area, the air conditioner is controlled to avoid the preset detection area to supply air.
- the present invention also provides an air conditioner, comprising:
- the microwave sensor is used to obtain the position information of the target human body
- a control device includes a memory and a processor, the memory stores a control program, and when the control program is executed by the processor, is used to implement the position detection method according to any one of the above solutions.
- the present invention further provides a computer-readable storage medium, where a control program is stored on the computer-readable storage medium, and when the control program is executed, the position according to any one of the above solutions is realized.
- the steps of the detection method are not limited to a control program stored on the computer-readable storage medium, and when the control program is executed, the position according to any one of the above solutions is realized.
- the position detection method of the present invention obtains the position information used to indicate the position of the detection target fed back by the microwave sensor last time. If it is determined according to the position information that the position of the detection target is within the preset detection area, it is considered that the detection target is always in the preset detection area. within the detection area. That is to say, even if the microwave sensor has not acquired the position information of the detection target in the following period of time, it can still be considered that the detection target is continuously within the preset detection area.
- the position detection method of the present invention is suitable for the situation that the detection target is in a static state in the preset detection area or the activity of the detection target does not reach the detection threshold of the microwave sensor. Thus, the purpose of using the microwave sensor to realize static detection and low-activity target detection is achieved.
- the position detection method of the present invention Compared with the method in the prior art that uses whether the microwave sensor continuously detects the activity information of the detection target within a certain period of time to determine whether the detection target exists, the position detection method of the present invention more accurately reflects the actual position of the detection target. , the detection accuracy is high, and the possibility of misjudgment is avoided.
- the present invention establishes a coordinate system with the position of the microwave sensor as the origin, and embodies the position information of the preset detection area and the detection target in the coordinate system, which clearly reflects the relationship between the detection target and the preset detection area.
- the position relationship improves the judgment accuracy of the position of the detection target.
- the present invention specifically determines a reference coordinate range whose boundary is adjacent to the boundary of the coordinate range of the preset detection area in the coordinate system, and judges whether the position of the detection target is within the preset detection area by using the reference coordinate range.
- the boundary of the detection area is preset, and the possibility of various situations is considered, which improves the accuracy of position detection.
- FIG. 1 is a schematic flowchart of a position detection method according to an embodiment of the present invention.
- FIG. 2 is a schematic flow chart of judging whether the location of a detection target is within a preset detection area according to location information according to an embodiment of the present invention
- FIG. 3 is a schematic flowchart of judging whether the location of a detection target is within a preset detection area according to location information according to another embodiment of the present invention
- FIG. 4 is a schematic flow chart of judging whether the location of a detection target is within a preset detection area according to location information according to yet another embodiment of the present invention
- FIG. 5 is a schematic structural block diagram of an air conditioner according to an embodiment of the present invention.
- FIG. 1 is a schematic flowchart of a position detection method according to an embodiment of the present invention.
- the position detection method of the present invention includes:
- Step S10 acquiring the position information indicating the position of the detection target that was fed back by the microwave sensor most recently.
- the latest position information fed back by the microwave sensor is the position information of the detection target fed back by the microwave sensor for the last time, that is, the latest position information of the detection target that can be fed back by the microwave sensor.
- the detection target may be the target human body or other movable target objects.
- Step S20 determine whether the position of the detection target is within the preset detection area; if so, go to step S30.
- the preset detection area may be a preset area, or may be an area automatically determined by the device integrated with the microwave sensor according to some set parameters during its operation.
- Step S30 it is determined that the detection target is always within the preset detection area. That is to say, the position of the detection target is always within the preset detection area.
- the position detection method of the present invention obtains the position information used to indicate the position of the detection target fed back by the microwave sensor last time. If it is determined according to the position information that the position of the detection target is within the preset detection area, it is considered that the detection target is always in the preset detection area. within the detection area. That is to say, even if the microwave sensor has not acquired the position information of the detection target in the following period of time, it can still be considered that the detection target is continuously within the preset detection area.
- the position detection method of the present invention is suitable for the situation that the detection target is in a static state in the preset detection area or the activity of the detection target does not reach the detection threshold of the microwave sensor. Thus, the purpose of using the microwave sensor to realize static detection and low-activity target detection is achieved.
- the position detection method of the present invention Compared with the method in the prior art that uses whether the microwave sensor detects the activity information of the detection target within a certain period of time to determine whether the target exists, the position detection method of the present invention more accurately reflects the actual position of the detection target. The accuracy is high, avoiding the possibility of misjudgment.
- FIG. 2 is a schematic flowchart of determining whether the location of a detection target is within a preset detection area according to location information according to an embodiment of the present invention.
- the step S20 of judging whether the location of the detection target is within the preset detection area according to the location information may specifically include:
- Step S21 establishing a coordinate system with the position of the microwave sensor as the origin.
- the X-axis of the coordinate system may be parallel to the lateral direction of the device on which the microwave sensor is mounted, and the Y-axis of the coordinate system may be, but not limited to, a direction perpendicular to the X-axis and pointing to the front side of the device on which the microwave sensor is mounted.
- Step S22 Determine the coordinate range of the preset detection area in the coordinate system, and determine the coordinates of the detection target in the coordinate system according to the position information.
- Step S23 when the coordinates of the detection target in the coordinate system are within the coordinate range of the preset detection area in the coordinate system, it is determined that the position of the detection target is within the preset detection area.
- the coordinates of the detection target in the coordinate system are outside the coordinate range of the preset detection area in the coordinate system, it can be considered that the position of the detection target is not within the preset detection area.
- the position of the microwave sensor is used as the origin to establish a coordinate system
- the position information of the preset detection area and the detection target are all embodied in the coordinate system, which clearly reflects the positional relationship between the detection target and the preset detection area. , which improves the accuracy of judging the location of the detection target.
- FIG. 3 is a schematic flowchart of judging whether the location of the detection target is within a preset detection area according to the location information according to another embodiment of the present invention. Further, when the coordinates of the detection target in the coordinate system are within the coordinate range of the preset detection area in the coordinate system, the step S23 of determining that the position of the detection target is within the preset detection area may specifically include:
- a reference coordinate range is determined in the coordinate system, and the boundary of the reference coordinate range is adjacent to the boundary of the coordinate range of the preset detection area in the coordinate system.
- the boundary of the reference coordinate range may be inside the boundary of the coordinate range of the preset detection area in the coordinate system, or may be outside the boundary of the coordinate range of the preset detection area in the coordinate system.
- Step S233 determine whether the coordinates of the detection target in the coordinate system are within the reference coordinate range; if so, go to step S235; if not, it can be considered that the position of the detection target is not within the preset detection area.
- Step S235 it is determined that the position of the detection target is within the preset detection area.
- the inventor realizes that in order to accurately determine whether the detection target is within the preset detection area, the requirements for the preset detection area itself are relatively precise, but the boundary requirements for the preset detection area do not need to be precise. That is to say, the boundary of the preset detection area may be set to a certain threshold range, so as to blur the boundary of the preset detection area. Therefore, in this embodiment, a reference coordinate range whose boundary is adjacent to the boundary of the coordinate range of the preset detection area is specially determined in the coordinate system, and whether the position of the detection target is within the preset detection area is determined by the reference coordinate range, and the fuzzy The boundary of the preset detection area is considered, and the possibility of various situations is considered, which improves the accuracy of position detection.
- the position coordinates of the detection target acquired by the microwave sensor last time are near the boundary of the preset detection area, and the position information of the detection target is not obtained after that. At this time, it means that the detection target is always near the boundary of the preset detection area. , the position of the detection target can still be accurately obtained.
- both the coordinate range of the preset detection area in the coordinate system and the reference coordinate range can be a sector with the origin of the coordinate system as the center of the circle, so as to determine the coordinate range of the preset detection area in the coordinate system and the detection target. coordinate.
- the radius of the coordinate range of the preset detection area in the coordinate system is greater than the radius of the reference coordinate range. That is to say, the reference coordinate range is within the coordinate range of the preset detection area in the coordinate system.
- the preset detection may be greater than 0° and less than or equal to 180°.
- FIG. 4 is a schematic flowchart of judging whether the location of the detection target is within a preset detection area according to the location information according to yet another embodiment of the present invention.
- the step S23 of determining that the position of the detection target is within the preset detection area may specifically include:
- Step S232 dividing the coordinate range of the preset detection area in the coordinate system into several sub-coordinate ranges according to a preset rule
- Step S234 determine whether the coordinates of the detection target in the coordinate system are within any sub-coordinate range; if so, go to step S236;
- This embodiment divides the coordinate range of the preset detection area in the coordinate system into several sub-coordinate ranges, and only needs to compare the coordinates of the detection target and the coordinates of each sub-coordinate range, which simplifies the program execution process and improves the operation efficiency.
- the coordinate range of the preset detection area in the coordinate system is a sector with the origin of the coordinate system as the center of the circle, so as to determine the coordinate range of the preset detection area in the coordinate system and the coordinates of the detection target.
- the fan-shaped The central angle is greater than 0° and less than or equal to 180°.
- the above-mentioned preset rule (that is, the division rule of the coordinate range of the preset detection area in the coordinate system) is: dividing the radius of the sector presented by the coordinate range of the preset detection area in the coordinate system into several equal parts. segment, so as to form several separation points on the radius of the sector; take the origin of the coordinate system as the center of the circle, and make several arc lines with the distance from the origin of the coordinate system to each separation point as the radius, so as to use several arcs The line divides the coordinate range of the preset detection area in the coordinate system into several sub-coordinate ranges.
- one of the coordinates of the preset detection area in the coordinate system may be [0, X n ], that is, the radius of the sector represented by the coordinate range is X n .
- Divide X n into n equal parts, so as to form X 1 , X 2 , ... X n-1 is a radius of several arc-shaped curves, and a ring-shaped sub-coordinate range is formed between adjacent arc-shaped curves, and between the outermost arc-shaped curve and the boundary curve of the preset detection area.
- the arc-shaped curve at the origin of the coordinate system and the fan-shaped area enclosed by the origin of the coordinate system also form a sub-coordinate range.
- the above-mentioned embodiments only provide a schematic setting method of the preset rules, and in some alternative embodiments, the above-mentioned preset rules may also have other suitable setting methods, such as etc. It is divided into several small fan-shaped areas with the same central angle, and the setting methods of other preset rules are not repeated here.
- a method for controlling an air conditioner includes:
- the step of adjusting the air supply state of the air conditioner in the preset detection area according to the detection result may specifically include:
- the air conditioner When the air conditioner is set to the direct blowing mode of supplying air toward the target human body, and the target human body exists in the preset detection area, the air conditioner is controlled to supply air toward the preset detection area. That is to say, when the user sets the air conditioner to supply air to the target human body, and the position detection method of this embodiment detects that there is a human body in the preset detection area, the air conditioner can be controlled to supply air to the preset detection area , to avoid the possibility of misjudgment.
- the air conditioner When the air conditioner is set to an anti-direct blowing mode that avoids the target human body to supply air, and there is a target human body in the preset detection area, the air conditioner is controlled to avoid the preset detection area to supply air. That is to say, when the user sets the air conditioner to avoid the target human body to send air, and the position detection method of this embodiment detects that there is a human body in the preset detection area, the air conditioner can be controlled to avoid the preset detection area to send air. wind, avoiding the possibility of misjudgment.
- the target human body is in a state of stillness or a small amount of activity in the preset detection area (this state is very common, for example, the target user stays at home on the weekend and looks at the mobile phone on the sofa).
- this state is very common, for example, the target user stays at home on the weekend and looks at the mobile phone on the sofa.
- the microwave sensor is used to detect whether there is a target human body in the preset detection area, if the microwave sensor does not detect the activity information of the target human body within the preset time period, the preset detection area will be considered There is no target human body in it. The result of this judgment is often the opposite of the actual situation.
- the position detection method of this embodiment can realize static or small activity target detection based on microwave sensors, and the position detection method of this embodiment can accurately determine whether the target human body is in the preset detection area, so as to control the air conditioner to perform correct Air supply mode.
- FIG. 5 is a schematic structural block diagram of an air conditioner according to an embodiment of the present invention.
- the air conditioner 1 may include a microwave sensor 40 and a control device 50 .
- the microwave sensor is used to acquire the position information of the target human body, and the position information can represent the position of the target human body.
- the control device 50 includes a memory 51 and a processor 52.
- the memory 51 stores a control program 53, and when the control program 53 is executed by the processor, is used to implement the position detection method according to any embodiment of the present invention.
- the embodiments of the control program 53 of the air conditioner 1 of the present invention when it is executed by the processor 52 are basically the same as the above-mentioned embodiments of the position detection method, and thus will not be repeated here.
- the processor 52 may be a central processing unit (central processing unit, CPU for short), or a digital processing unit or the like.
- the processor 52 transmits and receives data through the communication interface.
- the memory 51 is used to store programs executed by the processor 52 .
- Memory 51 is any medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, and may also be a combination of multiple memories.
- the above-described control program 53 may be downloaded from a computer-readable storage medium to a corresponding computing/processing device or downloaded to a computer or an external storage device via a network (eg, the Internet, a local area network, a wide area network, and/or a wireless network).
- a network eg, the Internet, a local area network, a wide area network, and/or a wireless network.
- a computer-readable storage medium is also provided, and a control program is stored on the computer-readable storage medium, and when the control program is executed, the steps of the position detection method involved in any of the foregoing embodiments are implemented.
- control program stored on the computer-readable storage medium of this embodiment is executed is basically the same as the above-mentioned embodiments of the position detection method, and thus will not be repeated here.
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Abstract
一种位置检测方法,包括:获取微波传感器(40)最近一次反馈的用于表示检测目标所在位置的位置信息(S10);根据位置信息判断检测目标的位置是否处于预设检测区域内(S20);以及若是,则判定检测目标始终处于预设检测区域内(S30)。由此,即使微波传感器(40)在之后的时间内一直都没有获取到检测目标的位置信息,仍然可以认为检测目标持续处于预设检测区域内。适用于检测目标在预设检测区域内处于静止状态或检测目标的活动量没有达到微波传感器(40)的检测阈值的情况。由此,达到了利用微波传感器(40)实现静态检测和低活动量目标检测的目的。还提供一种空调器(1)、一种空调器(1)的控制方法以及一种计算机可读存储介质。空调器检测目标人体时可避免误判影响用户体验。
Description
本发明涉及空调技术领域,特别是涉及一种基于微波传感器的位置检测方法、空调器及其控制方法、计算机可读存储介质。
目前室内非接触性位置传感器主要有红外和微波。热释点类传感器检测精度较低,检测范围较小;热电堆传感器成本较高,检测范围也比较小,基本需要电动机构来实现区域的有效检测。微波传感器是利用微波特性来检测一些物理量的器件,其检测灵敏度高,检测范围大,成本较热电堆类传感器低,正逐步应用于家电位置检测领域。受于成本的限制,微波传感器尤其是24G传感器对静态目标无法进行检测。
发明内容
本发明第一方面的一个目的旨在克服现有技术的至少一个缺陷,提供一种基于微波传感器的能够实现静态检测的位置检测方法。
本发明第一方面的一个进一步的目的是提高位置检测的准确性。
本发明第二方面的目的是提供一种利用上述位置检测方法检测目标人***置的空调器控制方法。
本发明第三方面的目的是提供一种利用上述位置检测方法检测目标人***置的空调器。
本发明第四方面的目的是提供一种能够执行上述位置检测方法的计算机可读存储介质。
根据本发明的第一方面,本发明提供一种基于微波传感器的位置检测方法,包括:
获取所述微波传感器最近一次反馈的用于表示检测目标所在位置的位置信息;
根据所述位置信息判断所述检测目标的位置是否处于预设检测区域内;以及
若是,则判定所述检测目标始终处于所述预设检测区域内。
可选地,根据所述位置信息判断所述检测目标所在位置是否处于所述预 设检测区域内的步骤包括:
以所述微波传感器所在位置为原点建立坐标系;
确定所述预设检测区域在所述坐标系中的坐标范围、并根据所述位置信息确定所述检测目标在所述坐标系中的坐标;以及
当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内。
可选地,当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内的步骤包括:
在所述坐标系中确定出一参考坐标范围,所述参考坐标范围的边界与所述预设检测区域在所述坐标系中的坐标范围的边界邻近;
判断所述检测目标在所述坐标系中的坐标是否处于所述参考坐标范围内;
若是,则判定所述检测目标的位置处于所述预设检测区域内。
可选地,所述预设检测区域在所述坐标系中的坐标范围和所述参考坐标范围均为以所述坐标系的原点为圆心的扇形;且
所述预设检测区域在所述坐标系中的坐标范围的半径大于所述参考坐标范围的半径。
可选地,当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内的步骤包括:
按照预设的规则将所述预设检测区域在所述坐标系中的坐标范围分成若干个子坐标范围;
判断所述检测目标在所述坐标系中的坐标是否处于任一所述子坐标范围内;
若是,则判定所述检测目标的位置处于所述预设检测区域内。
可选地,所述预设检测区域在所述坐标系中的坐标范围为以所述坐标系的原点为圆心的扇形;且
所述预设的规则为:将所述扇形的半径等分成若干段,从而在所述扇形的半径上形成若干个分隔点;以所述坐标系的原点为圆心,以所述坐标系的 原点至每个所述分隔点的距离为半径做出若干个圆弧线,从而利用所述若干个圆弧线将所述预设检测区域在所述坐标系中的坐标范围划分成若干个所述子坐标范围。
根据本发明的第二方面,本发明还提供一种空调器的控制方法,包括:
按照上述任一方案所述的位置检测方法检测所述预设检测区域内是否有目标人体存在;以及
根据检测结果调节所述空调器在所述预设检测区域内的送风状态。
可选地,根据检测结果调节所述空调器在所述预设检测区域内的送风状态的步骤包括:
当所述空调器设定为朝向目标人体送风的直吹模式、且所述预设检测区域内存在目标人体时,控制所述空调器朝向所述预设检测区域内送风;
当所述空调器设定为避开目标人体送风的防直吹模式、且所述预设检测区域内存在目标人体时,控制所述空调器避开所述预设检测区域送风。
根据本发明的第三方面,本发明还提供一种空调器,包括:
微波传感器,用于获取目标人体的位置信息;
控制装置,包括存储器和处理器,所述存储器内存储有控制程序,所述控制程序被所述处理器执行时用于实现根据上述任一方案所述的位置检测方法。
根据本发明的第四方面,本发明还提供一种计算机可读存储介质,所述计算机可读存储介质上存储有控制程序,所述控制程序被执行时实现根据上述任一方案所述的位置检测方法的步骤。
本发明的位置检测方法,通过获取微波传感器最近一次反馈的用于表示检测目标位置的位置信息,如果根据位置信息判断出检测目标的位置处于预设检测区域内,则认为检测目标始终处于预设检测区域内。也就是说,即使微波传感器在之后的时间内一直都没有获取到检测目标的位置信息,仍然可以认为检测目标持续处于预设检测区域内。本发明的位置检测方法适用于检测目标在预设检测区域内处于静止状态或检测目标的活动量没有达到微波传感器的检测阀值的情况。由此,达到了利用微波传感器实现静态检测和低活动量目标检测的目的。
相比于现有技术中利用微波传感器是否在一定时间内持续检测到检测目标的活动信息来判断检测目标是否存在的方式,本发明的位置检测方法更 加精准地反映了检测目标实际所处的位置,检测准确度较高,避免了误判的可能性。
进一步地,本发明以微波传感器所在位置为原点建立坐标系,并将预设检测区域以及检测目标的位置信息都体现在坐标系中,非常明确地体现了检测目标与预设检测区域之间的位置关系,提高了检测目标所处位置的判断准确性。
进一步地,本发明在坐标系中特别地确定出一边界与预设检测区域的坐标范围边界邻近的参考坐标范围,通过参考坐标范围来判断检测目标的位置是否处于预设检测区域内,模糊了预设检测区域的边界,考虑到了多种情况的可能性,提高了位置检测的准确性。
根据下文结合附图对本发明具体实施例的详细描述,本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解,这些附图未必是按比例绘制的。附图中:
图1是根据本发明一个实施例的位置检测方法的示意性流程图;
图2是根据本发明一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图;
图3是根据本发明另一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图;
图4是根据本发明又一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图;
图5是根据本发明一个实施例的空调器的示意性结构框图。
本发明首先提供一种基于微波传感器的位置检测方法,图1是根据本发明一个实施例的位置检测方法的示意性流程图。参见图1,本发明的位置检测方法包括:
步骤S10,获取微波传感器最近一次反馈的用于表示检测目标所在位置的位置信息。可以理解的是,微波传感器最近一次反馈的位置信息也就是微 波传感器最后一次反馈检测目标的位置信息,也即是,微波传感器能够反馈的检测目标最新的位置信息。具体地,根据位置检测方法的目的不同,检测目标可以为目标人体,也可以为其他能够运动的目标物体。
步骤S20,根据位置信息判断检测目标的位置是否处于预设检测区域内;若是,则转步骤S30。预设检测区域可以为预先设定的区域,也可以为集成有微波传感器的装置在其工作过程中根据一些设定参数自动确定的区域。
步骤S30,判定检测目标始终处于预设检测区域内。也就是说,检测目标的位置一直处于该预设检测区域内。
本发明的位置检测方法,通过获取微波传感器最近一次反馈的用于表示检测目标位置的位置信息,如果根据位置信息判断出检测目标的位置处于预设检测区域内,则认为检测目标始终处于预设检测区域内。也就是说,即使微波传感器在之后的时间内一直都没有获取到检测目标的位置信息,仍然可以认为检测目标持续处于预设检测区域内。本发明的位置检测方法适用于检测目标在预设检测区域内处于静止状态或检测目标的活动量没有达到微波传感器的检测阀值的情况。由此,达到了利用微波传感器实现静态检测和低活动量目标检测的目的。
相比于现有技术中利用微波传感器是否在一定时间内检测到检测目标的活动信息来判断目标是否存在的方式,本发明的位置检测方法更加精准地反映了检测目标实际所处的位置,检测准确度较高,避免了误判的可能性。
图2是根据本发明一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图。参见图2,在一些实施例中,根据位置信息判断检测目标所在位置是否处于预设检测区域内的步骤S20具体可包括:
步骤S21,以微波传感器所在位置为原点建立坐标系。坐标系的X轴可以为平行于微波传感器所安装的装置的横向方向,坐标系的Y轴可以但不限制为垂直于X轴且指向微波传感器所安装的装置的前侧的方向。
步骤S22,确定预设检测区域在坐标系中的坐标范围、并根据位置信息确定检测目标在坐标系中的坐标。
步骤S23,当检测目标在坐标系中的坐标处于预设检测区域在坐标系中的坐标范围内时判定检测目标的位置处于预设检测区域内。相应地,当检测目标在坐标系中的坐标处于预设检测区域在坐标系中的坐标范围之外时可 认为检测目标的位置没有处于预设检测区域内。
本实施例以微波传感器所在位置为原点建立坐标系,并将预设检测区域以及检测目标的位置信息都体现在坐标系中,非常明确地体现了检测目标与预设检测区域之间的位置关系,提高了检测目标所处位置的判断准确性。
图3是根据本发明另一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图。进一步地,当检测目标在坐标系中的坐标处于预设检测区域在坐标系中的坐标范围内时判定检测目标的位置处于预设检测区域内的步骤S23具体可包括:
步骤S231,在坐标系中确定出一参考坐标范围,该参考坐标范围的边界与预设检测区域在坐标系中的坐标范围的边界邻近。具体地,参考坐标范围的边界可处于预设检测区域在坐标系中的坐标范围的边界内侧,也可以处于预设检测区域在坐标系中的坐标范围的边界外侧。
步骤S233,判断检测目标在坐标系中的坐标是否处于参考坐标范围内;若是,则转步骤S235;若否,则可认为检测目标的位置没有处于预设检测区域内。
步骤S235,判定检测目标的位置处于预设检测区域内。
发明人认识到,要想准确地判断检测目标是否处于预设检测区域内,对于预设检测区域本身的要求比较精确,但对预设检测区域的边界要求不需要精确。也就是说,可以将预设检测区域的边界设置成一定的阈值范围,从而将预设检测区域的边界模糊化。为此,本实施例在坐标系中特别地确定出一边界与预设检测区域的坐标范围边界邻近的参考坐标范围,通过参考坐标范围来判断检测目标的位置是否处于预设检测区域内,模糊了预设检测区域的边界,考虑到了多种情况的可能性,提高了位置检测的准确性。
例如,微波传感器最近一次获取到的检测目标的位置坐标处于预设检测区域的边界附近,在之后再没有获取到检测目标的位置信息,此时,说明检测目标始终处于预设检测区域的边界附近,仍然可以准确地获取到检测目标的位置。
更进一步地,预设检测区域在坐标系中的坐标范围和参考坐标范围均可以为以坐标系的原点为圆心的扇形,以便于确定预设检测区域在坐标系中的坐标范围和检测目标的坐标。并且,预设检测区域在坐标系中的坐标范围的半径大于参考坐标范围的半径。也就是说,参考坐标范围处于预设检测区域 在坐标系中的坐标范围之内。
具体地,当坐标系的X轴为平行于微波传感器所安装的装置的横向方向、坐标系的Y轴为垂直于X轴且指向微波传感器所安装的装置的前侧的方向时,预设检测区域在坐标系中的坐标范围和参考坐标范围所成的扇形的圆心角可以大于0°、且小于等于180°。
图4是根据本发明又一个实施例的根据位置信息判断检测目标所在位置是否处于预设检测区域内的示意性流程图。在一些实施例中,当检测目标在坐标系中的坐标处于预设检测区域在坐标系中的坐标范围内时判定检测目标的位置处于预设检测区域内的步骤S23具体可包括:
步骤S232,按照预设的规则将预设检测区域在坐标系中的坐标范围分成若干个子坐标范围;
步骤S234,判断检测目标在坐标系中的坐标是否处于任一子坐标范围内;若是,则转步骤S236;
步骤S236,判定检测目标的位置处于预设检测区域内。
相应地,若检测目标在坐标系中的坐标不处于任一子坐标范围内,则认为检测目标的位置没有处于预设检测区域内。
本实施例将预设检测区域在坐标系中的坐标范围分成若干个子坐标范围,仅需要比较检测目标的坐标与每个子坐标范围的坐标即可,精简了程序执行过程,提高了运算效率。
在一个实施例中,预设检测区域在坐标系中的坐标范围为以坐标系的原点为圆心的扇形,以便于确定预设检测区域在坐标系中的坐标范围和检测目标的坐标。具体地,当坐标系的X轴为平行于微波传感器所安装的装置的横向方向、坐标系的Y轴为垂直于X轴且指向微波传感器所安装的装置的前侧的方向时,该扇形的圆心角大于0°、且小于等于180°。
进一步地,上述预设的规则(也即是预设检测区域在坐标系中的坐标范围的划分规则)为:将预设检测区域在坐标系中的坐标范围所呈现的扇形的半径等分成若干段,从而在扇形的半径上形成若干个分隔点;以坐标系的原点为圆心,以坐标系的原点至每个分隔点的距离为半径做出若干个圆弧线,从而利用若干个圆弧线将预设检测区域在坐标系中的坐标范围划分成若干个子坐标范围。
例如,预设检测区域在坐标系的其中一个坐标可以为[0,X
n],也就是说, 坐标范围所呈现的扇形的半径为X
n。将X
n等分成n份,从而在X轴上形成X
1、X
2、……X
n-1、X
n,n个坐标值,分别以坐标系原点到X
1、X
2、……、X
n-1为半径做出若干个圆弧形曲线,相邻圆弧形曲线之间、以及最外侧圆弧形曲线与预设检测区域的边界曲线之间均形成了环形子坐标范围,邻近坐标系原点的圆弧形曲线与坐标系原点所围成的扇形区域也形成了一个子坐标范围。
本领域技术人员应理解,上述实施例仅提供了一种预设规则的示意性设定方式,在一些替代性实施例中,上述预设的规则还可以有其他合适的设定方式,例如等分成若干个圆心角相同的小扇形区域,对于其他预设规则的设定方式这里不再赘述。
在一些实施例中,还提供一种空调器的控制方法,空调器控制方法包括:
按照上述任一实施例所涉及的位置检测方法检测预设检测区域内是否有目标人体存在;以及
根据检测结果调节空调器在预设检测区域内的送风状态。
如前所述,利用上述任一实施例所涉及的位置检测方法检测目标人体是否存在于预设检测区域内的检测结果比较准确,可避免因误判导致目标人体的送风体验不佳的问题。
在一些实施例中,根据检测结果调节空调器在预设检测区域内的送风状态的步骤具体可包括:
当空调器设定为朝向目标人体送风的直吹模式、且预设检测区域内有目标人体存在时,控制空调器朝向预设检测区域内送风。也就是说,当用户设定空调器正对目标人体送风时,利用本实施例的位置检测方法检测到预设检测区域内有人体存在时,可控制空调器向该预设检测区域送风,避免了误判的可能性。
当空调器设定为避开目标人体送风的防直吹模式、且预设检测区域内有存在目标人体时,控制空调器避开预设检测区域送风。也就是说,当用户设定空调器避开目标人体送风时,利用本实施例的位置检测方法检测到预设检测区域内有人体存在时,可控制空调器避开该预设检测区域送风,避免了误判的可能性。
具体地,如果目标人体在预设检测区域内处于静止或活动量较小的状态(这种状态是非常常见的,例如目标用户周末宅在家里躺在沙发上看手机)。 基于现有技术的惯常思维,当利用微波传感器检测预设检测区域内是否有目标人体存在时,若微波传感器在预设时长内都没有检测到目标人体的活动信息,就会认为预设检测区域内没有目标人体。这种判定结果往往与实际情况相反。若依据上述判定结果调节空调器,可想而知,空调器的运行与目标人体的期望也是相反的,这会严重影响用户的使用体验。本实施例的位置检测方法可以基于微波传感器实现静态或活动量小的目标检测,采用本实施例的位置检测方法可以准确地判定目标人体是否处于预设检测区域中,从而控制空调器执行正确的送风模式。
在一些实施例中,还提供了一种空调器,图5是根据本发明一个实施例的空调器的示意性结构框图。该空调器1可包括微波传感器40和控制装置50。微波传感器用于获取目标人体的位置信息,该位置信息能够表示目标人体所处的位置。控制装置50包括存储器51和处理器52,存储器51内存储有控制程序53,控制程序53被处理器执行时用于实现本发明任一实施例涉及的位置检测方法。本发明的空调器1所具有的控制程序53在被处理器52执行时的实施例与上述位置检测方法的各实施例基本相同,因此这里不再赘述。
处理器52可以是一个中央处理单元(central processing unit,简称CPU),或者为数字处理单元等等。处理器52通过通信接口收发数据。存储器51用于存储处理器52执行的程序。存储器51是能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何介质,也可以是多个存储器的组合。上述控制程序53可以从计算机可读存储介质下载到相应计算/处理设备或者经由网络(例如因特网、局域网、广域网和/或无线网络)下载到计算机或外部存储设备。
在一些实施例中,还提供了一种计算机可读存储介质,计算机可读存储介质上存储有控制程序,控制程序被执行时实现上述任一实施例所涉及的位置检测方法的步骤。
本实施例的计算机可读存储介质上存储的控制程序被执行时的实施例与上述位置检测方法的各实施例基本相同,因此这里不再赘述。
至此,本领域技术人员应认识到,虽然本文已详尽示出和描述了本发明的多个示例性实施例,但是,在不脱离本发明精神和范围的情况下,仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或 修改。因此,本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。
Claims (10)
- 一种基于微波传感器的位置检测方法,包括:获取所述微波传感器最近一次反馈的用于表示检测目标所在位置的位置信息;根据所述位置信息判断所述检测目标的位置是否处于预设检测区域内;以及若是,则判定所述检测目标始终处于所述预设检测区域内。
- 根据权利要求1所述的位置检测方法,其中,根据所述位置信息判断所述检测目标所在位置是否处于所述预设检测区域内的步骤包括:以所述微波传感器所在位置为原点建立坐标系;确定所述预设检测区域在所述坐标系中的坐标范围、并根据所述位置信息确定所述检测目标在所述坐标系中的坐标;以及当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内。
- 根据权利要求2所述的位置检测方法,其中,当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内的步骤包括:在所述坐标系中确定出一参考坐标范围,所述参考坐标范围的边界与所述预设检测区域在所述坐标系中的坐标范围的边界邻近;判断所述检测目标在所述坐标系中的坐标是否处于所述参考坐标范围内;若是,则判定所述检测目标的位置处于所述预设检测区域内。
- 根据权利要求3所述的位置检测方法,其中,所述预设检测区域在所述坐标系中的坐标范围和所述参考坐标范围均为以所述坐标系的原点为圆心的扇形;且所述预设检测区域在所述坐标系中的坐标范围的半径大于所述参考坐标范围的半径。
- 根据权利要求2所述的位置检测方法,其中,当所述检测目标在所述坐标系中的坐标处于所述预设检测区域在所述坐标系中的坐标范围内时判定所述检测目标的位置处于所述预设检测区域内的步骤包括:按照预设的规则将所述预设检测区域在所述坐标系中的坐标范围分成若干个子坐标范围;判断所述检测目标在所述坐标系中的坐标是否处于任一所述子坐标范围内;若是,则判定所述检测目标的位置处于所述预设检测区域内。
- 根据权利要求5所述的位置检测方法,其中,所述预设检测区域在所述坐标系中的坐标范围为以所述坐标系的原点为圆心的扇形;且所述预设的规则为:将所述扇形的半径等分成若干段,从而在所述扇形的半径上形成若干个分隔点;以所述坐标系的原点为圆心,以所述坐标系的原点至每个所述分隔点的距离为半径做出若干个圆弧线,从而利用所述若干个圆弧线将所述预设检测区域在所述坐标系中的坐标范围划分成若干个所述子坐标范围。
- 一种空调器的控制方法,包括:按照权利要求1-6任一所述的位置检测方法检测所述预设检测区域内是否有目标人体存在;以及根据检测结果调节所述空调器在所述预设检测区域内的送风状态。
- 根据权利要求7所述的控制方法,其中,根据检测结果调节所述空调器在所述预设检测区域内的送风状态的步骤包括:当所述空调器设定为朝向目标人体送风的直吹模式、且所述预设检测区域内存在目标人体时,控制所述空调器朝向所述预设检测区域内送风;当所述空调器设定为避开目标人体送风的防直吹模式、且所述预设检测区域内存在目标人体时,控制所述空调器避开所述预设检测区域送风。
- 一种空调器,包括:微波传感器,用于获取目标人体的位置信息;控制装置,包括存储器和处理器,所述存储器内存储有控制程序,所述控制程序被所述处理器执行时用于实现根据权利要求1-6中任一项所述的位置检测方法。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有控制程序,所述控制程序被执行时实现根据权利要求1-6任一项所述的位置检测方法的步骤。
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