TW201024736A - Infrared sensor for human activity sensing - Google Patents

Abstract

The present invention relates to an infrared sensing device for human activity detection, adapted for wireless communicating with a control circuit of an electronic product, which comprises: a power source; an infrared sensor, for detecting a position of a human body and thus outputting a value accordingly; a micro control unit, for receiving the value outputted from the infrared sensor to be used in a calculation for obtaining an activity level with respect to the detected human body position and thus outputting a control command according to the activity level; a wireless communication unit, for receiving the control command and then transmitting the same to the control circuit of the electronic product; a memory, for registering the detected human body position and the obtained activity level from the micro control unit.

Description

201024736 VI. Description of the invention: [Technical field of invention] The present invention relates to an infrared human body activity sensor architecture, in particular to a method for detecting transmission through a circuit, mechanism and kinetic energy using a pyroelectric human body infrared (PIR) sensor. Design, analyze and determine the human body and tongue movement status in the area, and convert the human activity status information into control commands, and set the operation mode of air-conditioning or other household appliances through the home wireless communication standard interface to reduce the area The necessary energy consumption.

[Prior Art]

According to the infrared detectors, the human body infrared sensors mainly use the temperature change to generate electric charge. The variable infrared sensor can sense the change of the infrared light of the kind of biological. When the winter human body passes the remote sensor, the sensor will generate a slight signal change, and after the amplification of an operational amplifier circuit, the 're-matching time The use of the wafer is to control the relay to be turned on or off, thereby achieving the purpose of switching in an infrared sense. Ma is currently known as a pyroelectric human body infrared sensor, which is commonly used to judge people, and in the low-cost electronic components, according to the Mitsubishi Electric Research Institute, if the technology with human activity detection is used for air conditioning equipment It will be more efficient to use, which is more than 40% of the power saved by the general operation without control mechanism. ' 201024736 Domestic technology status Domestic coke type human body infrared (PIR) sensor Most of the products and patents are still used in traditional, low-cost visitor notification devices, automatic sensing, lighting and anti-theft warning devices, etc., because these devices only need hardware circuit design to achieve the desired function. It is limited to the human body, and it is impossible to judge the information on the activity situation and location of the human body in the presence of the area. The status of foreign technology ❹ The main 豕 豕 又 厂商 厂商 厂商 厂商 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十 十Research on the use of pyroelectric human body infrared (PIR) sensors to detect people's position and activity, the solution developed to date is to use a rotary servo motor to drive the coke type human body The external line senses the beta array scan space, and uses it to detect the sensory benefits of different physical sfl numbers, and then uses the algorithm of pattern recognition and approximate image processing to form a multi-dimensional body position and activity information. Sakamoto Matsushita Electric Co., Ltd. 2 A patent file proposed in 〇〇6 years (Japanese Patent. JP2006226988) 'Uses a pyroelectric human body infrared and temperature sensor array® as a sensing element, and uses a servo motor to position the scanning space block, using the time difference The measured changes in human body state and environmental temperature, integration, data, and graphic identification process to obtain the position and activity of the human body. This patented technology has been applied to new air-conditioning products recently released by Panasonic and other electrical companies. The product uses a servo motor to drive the left and right 16 〇. The oscillating 'longitudinal array of sensor arrays (using 8 pyroelectric body infrared rays) to detect the entire floor and body temperature and position, the heat source will be 30cm will be It is detected that by measuring the floor temperature and detecting the position of the person, the operation of the air conditioner can be controlled' and this product is also Steps increase the ability to detect human activity 5 201024736. For example, when people are less active during sleep and their body temperature drops at the same temperature, the output of the air conditioner needs to be reduced, and the sensor detects the person's After the position, the area of the air-cooling airflow will be reduced, and the air conditioner size will be controlled according to the amount of activity. 'Overview of the above-mentioned foreign (Japan) development of the pyroelectric human body infrared sensor inspection's human body activity technology, has the following problems: 1) It is necessary to use its physical quantity sensor as an aid, so the manufacturing cost is increased. (2) Space scanning is required by servo motor with precise positioning and constant rotation, and the manufacturing cost is increased. (3) Its pyroelectric type Human body infrared components, whether they are sensor arrays, packaging mechanisms, and Fresnel lenses, require special design, both in terms of manufacturing cost and processing difficulty. (4) Has a complex graphics recognition algorithm. (5) Embedded in refrigerated air conditioning equipment without any elasticity. Based on the above problems, it can be seen that the time course and cost of the development of the technology are comparable. Obviously, the present invention can solve the above problems, and manufacture the infrared human body activity sensor structure at a relatively low cost, and has the position and activity amount of the human body. Features. SUMMARY OF THE INVENTION Based on the solution to the above-mentioned shortcomings of the prior art, the present invention is an infrared-line human body motion sensor architecture, the main purpose of which is to utilize a pyroelectric human body infrared (PIR) sensor to transmit circuits, mechanisms and The kinetic energy change detection method is designed to analyze and determine the state of human activity in the area. Furthermore, the present invention can convert human activity status information into control commands, and set the operation mode of air-conditioning or other household electrical appliances through the standard interface of the home communication system to reduce the unnecessary energy consumption in the area. The state of human body activity in a space is relative to the infrared type sensing of the coke type human body. The degree of change of the output voltage signal of the device is positively correlated, and the level of human activity is like the increase or decrease of the kinetic energy in space. The physical properties, according to the degree of change of the voltage signal revealed by the human body's infrared sensor signal, the kinetic energy change model is constructed, and the corpus callosum activity of the model is analyzed and judged by monitoring and calculation. In this way, the low-cost pyroelectric human body infrared sensor can be broken, and only the binary judgment function of the person's "being and not" can be judged, and the ability to detect the multi-human activity state can be improved. Another object of the present invention is to transmit a plurality of human body activity status information, and the wireless transmission unit is implemented by using a ZigBee communication protocol module to have functions such as home wireless control. The present invention provides an infrared human body activity sensor. The architecture includes: an infrared sensor for detecting the position of the human body and outputting a body position data; a micro control unit for receiving body position data output by the infrared sensor, and An activity amount can be calculated according to the body position data; and a memory unit for temporarily storing the body position and activity amount of the micro control unit. The micro control unit constructs a kinetic energy change model based on the human body position data to obtain a numerical value of the human activity amount. The invention further provides an infrared human body activity sensor architecture, which can be wirelessly transmitted with the control circuit of the electric power product of the 201024736 sub-product, which comprises: a power source; an infrared sensor for detecting the position of the human body, And outputting a human body. Position data; • A micro control unit for receiving the human body position output data output by the infrared sensor, and calculating an activity amount according to the position data of the human body, and then outputting a control command according to the activity amount a wireless transmission unit that receives a control command transmitted by the micro control unit, 10 transmits the control command to a control circuit of the electronic product, and a memory unit for temporarily storing the human body position and activity data of the micro control unit; . The invention further provides a method for detecting the amount of human activity by using an infrared human body activity sensor, which uses at least two infrared sensors to detect the human body, and the scanning areas of the infrared sensors have overlapping regions. Non-overlapping. The area is used to detect the body position of the human body in overlapping and non-overlapping areas for a period of time, and a micro control unit calculates the total amount of body position data of the overlapping and non-overlapping areas to obtain the human body. The value of the activity amount. In order to further explain the present invention, it will be helpful to review the work of the review by the following illustrations, the description of the drawings, and the detailed description of the invention. [Embodiment] The detailed structure of the present invention and its connection relationship will be described in conjunction with the following drawings to facilitate an understanding of the audit committee. 8 201024736 The infrared human body activity sensor of the present invention comprises: an infrared sensor 'for reading the position of the human body, and outputting - human body position data; a micro control unit for processing the human mountain to receive infrared rays The human body position outputted by the sensor is poor, and can be based on the human momentum; and - a memory unit for temporarily storing the micro control; = body: data. The micro control unit constructs a kinetic energy change model according to the human body position data to obtain a numerical value of the human activity amount. Φ = invention can be done with the control circuit of the electronic product - wireless transmission, please refer to the figure - and the second one is the architecture block diagram of the infrared human body activity sensor of the invention - and the detailed circuit block The figure is connected to the control circuit 11 of an air conditioner 1 for wireless transmission, and the control circuit u includes a presence/absence transmission unit 11 (the wireless transmission unit is a communication protocol using the IEEE 82G.15.4 of the Institute of Electrical and Electronics Engineers) For transmission, the job 820.15.4 is the 21 transport 866 transmission protocol, currently no Chinese name), a control unit 112 and a communication control chip 113, and the air conditioner includes a power supply 12, which includes A power supply is formed by a power supply 25; an infrared sensor 23 is used for detecting the position of the human body, and outputs a value, which is a human body position data, and the infrared sensor 23 is a pyroelectric type infrared sensor (piR); a micro control unit 22 for receiving the body position data output by the infrared sensor 23, and calculating an activity amount according to the body position data, and then outputting according to the activity amount A control unit, the micro control unit 22 further includes a central processing unit 222, a general-purpose input/output port (General Purpose I/O, GPI0) 221, and a universal asynchronous transceiver (Universal Asynchronous Receiver/'Transmitter). , UART) 224, a analog/digital converter 201024736 (ADC) 223. The universal input/output port 221 is further connected with a display unit 26'. The display unit 26 can be used to display the value transmitted by the infrared sensor 23; and the analog/digital converter 223 can receive a sensitivity adjustment sheet. The adjustment control value is transmitted, because the sensitivity adjustment unit 27 includes a variable resistor VR, and the resistance value of the variable resistor VR becomes large, that is, the sense voltage representing the analog/digital converter 223 becomes small; the variable resistor The resistance value of the VR becomes smaller, that is, the sensing voltage of the analog/digital converter 223 becomes larger, so that the sensitivity of the infrared sensor 23 can be controlled; a wireless transmission unit 21 is transmitted by the micro-control unit 33. The control command is transmitted to the control circuit 11 of the air conditioner 1, the wireless transmission unit 21 also uses the communication protocol of the Institute of Electrical and Electronics Engineers IEEE 820. 15. 4; a memory unit 24 for temporarily storing the micro The human body position data and the activity amount data of the control unit 22. The method for detecting the amount of human body activity by the infrared human body activity sensor of the present invention comprises the following steps: Configuring at least two infrared sensors, wherein the infrared sensor has a overlapping area and a non-overlapping area The infrared sensor is used to detect the position data of the overlapping area and the non-overlapping area in a period of time respectively, and the body position data can be the voltage signal change data; and the overlapping area is respectively constructed according to the body position data of the overlapping area and the non-overlapping area; And the kinetic energy change model of the non-overlapping region; and calculating the total amount of the kinetic energy change model of the overlap region and the non-overlapping region to obtain the value of the human activity amount. The infrared sensor can be a T-shaped arc mechanism for a pyroelectric type infrared sensor, and the front end of the infrared sensor is provided with a Philippine 201024736 lens. The value of the human activity is transmitted by a wireless communication unit using a ZigBee communication protocol. _ Among them, the overlapping area and the non-overlapping area are used to identify the active position of the human body. The step of constructing the kinetic energy variation model of the overlapping region and the non-overlapping region according to the human body position data of the overlapping region and the non-overlapping region further includes performing weight processing on the kinetic energy variation model of the overlapping region and the non-overlapping region respectively. The steps. ❿ Please refer to FIG. 3 , which is a schematic structural diagram of an embodiment of the infrared human body motion sensor of the present invention. The present embodiment uses multiple infrared sensors, which are respectively disposed on a T-shaped circular arc mechanism and infra-red sensing. The front end of the device is further provided with a Fresnel LENS (not shown), which adjusts the best sensing angle of each Fresnel lens to the infrared sensor and is fixed by the mechanism, and different lens designs will be different. Sensing area range. With such a structural design, the advantages are as follows: 1. The optimal angle at which the infrared sensor is placed in the T-shaped circular mechanism to obtain the maximum sensibility of the φ infrared sensor in space. The best coverage of the three-dimensional area. 2. With the largest and best coverage of the sensing stereo area, the infrared sensor and sensing area are fixed, and can be mapped (Mapp i ng) back to the firmware of the micro controller, with the infrared sensor The relative signal relationship, derivation - the location of the human body. Please refer to FIG. 4, which is a schematic diagram of the implementation of overlapping and non-overlapping using three infrared sensors in the present invention. The area sensed by the infrared sensor has partial overlap, and the kinetic energy change mode constructed by the overlapping and non-overlapping regions 201024736

The type needs to be calculated by different weights to obtain uniform spatial sensing effect. The overlapping and non-overlapping areas can also be used as the basis for judging the human body's active position because different sensors have relative output signals. Referring to FIG. 5A, it is a graph of the amount of human activity detected by the infrared sensor in the present invention, wherein the X-axis coordinate is time (t); the y-axis coordinate is energy. The infrared sensor signal is actually captured by the personal computer, and the performance of the simulation result is simulated by the kinetic energy change model and the human activity state judgment method. Please refer to FIG. 5B, which is a signal diagram of the infrared sensor of the present invention. Position data, where the X-axis coordinate is time (t); the y-axis coordinate is voltage (v). It is confirmed that the human body activity state in the area can be judged by using the pyroelectric type human body infrared sensor. The inference of using the pyroelectric human infrared sensor to construct the kinetic energy variation model based on the human body position data is as follows: (1) The kinetic energy change power /? (0 = 々) ~ (0 7' τ τ 0 0 ο after digitization Available 1 1 fifi ice)=/1^(々), where v(4)= 0 'Λ (2) Consider the root mean square value (rms)\]v(^ \±v(k) ten-, r~ (3 Consider the average of the duty cycle Σν(,) nk

RfJ nkl where T = nk D(T) = on - time period

j>(k) _ k=Q nk 12 201024736 Order • Bu can change the kinetic energy mode to the field _ quantity ride ^ i two indicators as «month also see Figure 2 to Figure 7, the focus type is in the τ type The estimation formula of the sensing angle of the circular arc mechanism is as follows, and the external line sensor is set to measure the external line sense ''expanding arc length is nr then r=R tan#, S= 1^ = 2 :tanH -L· 2π 2tc : R t Qing = 0r < (2) 50-character type human body infrared sensation lion 50' (S丨, s2, s3) case summer foot analysis so that the normal line S!, s2, S3 is located at 40 ° , 90°, 160. f m iDU C as shown in Figure 4) (3) 3D spatial distribution

• G • Take a single infrared sensor (SensQr) as an example. Please show it separately: Read the projection length of the figure 七x=h tan〇r, 〇Y=h tan (α+2#) =ί> ΧΥ = ΟΥ — ΟΧ = h[tan (^+2^) —tana] Transverse projection radius: n=h secaxcos^=h secaxsin^, ru ( becu + iOtar^ (4) with three infrared sensors (Sensor) Configuration, ★ 杳同卩. Month nu refers to Figure τ-type circular arc mechanism design: - If the left and right 60., the angle of depression 30 ° and 60 ° arrangement as an example. Using the unit vector rotation 13 201024736 turn to know the three infrared sense The direction of the detector is as follows: Pi*=Rot (Z, 30°) · Rot (Y, 30° .C〇i30. - No. 30.0 0' Λ> ί30° Ccw30° 0 0 0 0 10 0 0 0 1

Pld, ο, 0) P2*=Rot (Ζ, -30.)· Rot (Υ, 30' ο

Co?30. 〇 0 1 0 - gamma 30. 0 C〇rf〇 〇 ο T '0.75' 0 0.433 0 —0.5 J 1 _ 1.0 C〇i-30° Sin-30° 0 0

Ps*=Rot (Y, 60°

Cos60°ο -Sin60° 0

Cos-30° 0 0 0 0 5/«60° 1 0 0 Cos60° 0 0 〇' C<w3〇. 0 0 0 -Sm3〇° 1 0 (1, 〇,0) "ΓΓ 0.5 ' 0 0 0 1 — 0.866 匕1 _ 0 p2(l, 0,〇) 0 0 cw3〇. 〇0 τ 0.75 0 -0.433 0 -0.5 ” 1 1.0 By the above disclosure of Figure 1 to Figure 7, the main purpose of the 睑丝士 & _external human body activity sensor architecture is to use 隹= line (PIR) The sensor uses the circuit, mechanism and kinetic energy to change the genius, and judges the human body activity state in the area, and sets the body motion state to change the collateral to make it clear through the home wireless communication to set the air-conditioning or other home appliances. The mode of operation of the equipment to reduce the unnecessary energy consumption in the area. And the state of human body activity in the space - relative to the degree of change of the output voltage signal of the pyroelectric human infrared sensor is proportional, the level of human activity is like the increase or decrease of the change in the space month b, based on This kind of physical property, according to the human body's active state, according to the pyroelectric type human body infrared sensing signal, the degree of change of the voltage signal of 14 201024736 is constructed to construct a kinetic energy change model, and the human activity of the model is analyzed and judged by monitoring and calculation. In this way, it is possible to break through the dual-judgment function of the low-cost pyroelectric human infrared sensor, which can only judge the presence and absence of the human body, and then upgrade to the ability to detect the multi-human activity state. When applied to an air conditioner, it can be used to control the power of the air conditioner without increasing the cost. Therefore, the patent application is proposed to seek the patent right. The structural features and embodiments of the present invention have been The detailed disclosure can fully demonstrate the progressiveness of the invention in terms of its purpose and efficacy. With the use value of the industry, and for the unprecedented use on the market, according to the spirit of the patent law, the present invention fully meets the requirements of the invention patent. Only the above is only the preferred implementation of the present invention. The scope of the invention is not limited by the scope of the invention, and all the changes and modifications made in accordance with the scope of the patent application of the present invention should still fall within the scope of the patent application of the present invention. Fig. 1 is a block diagram of an embodiment of an infrared human body activity sensor of the present invention; _ Fig. 2 is a more detailed circuit of Fig. 1. Figure 3 is a schematic diagram of the structure of one embodiment of the infrared human body activity sensor of the present invention. Figure 4 is a schematic diagram of the implementation of overlapping and non-overlapping using three infrared sensors in the present invention; 5A is a graph of the amount of human activity detected by the infrared sensor according to the present invention; FIG. 5B is a signal diagram of the infrared sensor of the present invention; FIG. 7 is a sensing area of a single infrared sensor of the present invention and a side view thereof. [Main component symbol description] 1 to air conditioner 11 to control circuit 111 to wireless transmission Unit 112 to control unit 113 to communication control chip • 12 to power supply 2 to infrared human activity sensor 21 to wireless transmission unit 211 to antenna 16 201024736 22 to micro control unit 221 to general type input and output 埠 222 to central Processor. 223~ Analog/Digital Converter 224~ General Non-Synchronous Transceiver Transmitter" 23~ Infrared Sensor 24~ Memory Unit 25~ Power Supply 10 26~ Display Unit 27~ Sensitivity Adjustment Unit 3~T-Circle Arc mechanism 17

Claims (1)

201024736 VII. Patent application scope: 1. A method for detecting human body activity by infrared human body activity sensor, which includes the following steps: · / configuration - an infrared sensor, wherein the infrared sensor is swept The cat area has an overlapping area and a non-overlapping area; the infrared sensors respectively detect the body position data of the overlapping area and the non-overlapping area for a period of time; according to the 5 meta-overlapping area and the non-overlapping area, the body position f data respectively The kinetic energy change model of the built-in structure and the non-overlapping region; and the total amount of the kinetic energy change model of the overlap region and the non-overlapping region to obtain the value of the human activity amount. The method of detecting the amount of human activity by the infrared human activity sensor according to the above item, wherein the infrared sensors are a pyroelectric infrared sensor. 3. As claimed in claim 1 The infrared human activity sensor detects the method of measuring the amount of human activity, wherein the infrared sensors are set in the ® A circular arc mechanism. The method of detecting the amount of human activity by the infrared human activity sensor according to claim 3, wherein if the infrared sensors are three, they are arranged in a circular shape. The estimation formula of the sensing angle of the arc mechanism is as follows: (1) Let the infrared sensors sense the angle of the cone to be 0, expand the arc length • S shell, S = R0 = 2 knife r = R tan彡 = 2 pairs An^ or ^ =tan"'- 201024736 (2) The infrared sensor 2D overlaps when 4= 1 2 3〇° 'The normals of the infrared sensors & S2, S3 are respectively located at 40°, 90°, 160° (3) The infrared sensors are respectively arranged at 60° left and right, 30° and 60° at the depression angle. The rotation of the unit vector shows that the directions of the three infrared sensors are as follows: P^^Rot (Z, 30° ) · Rot (Y, 30° ) * Pi (1, 〇, 0) ❹ Cos30° 伽30. 0 0 -Sm30° Cos30° 0 0 0 0 0 0 1 0 0 1 Ow3(T 0 Sin30° 0 1 0 ~Sm30° 0 Cos30° 0 0 0 T '0.75' 0 0.433 0 -0.5 1 1_0 P^=R〇t (Z, -30° ) · Rot (Y, 30° ) * P2 (1 , 0, 〇) Cos - 30° Sin ~ 3〇° 0 -Sin-30° C 〇5-30. 0 0 0 0 0 1 0 Cos30° 0 -Sm30° 0 Sin30° 1 0 0 Cos30° '0.75 -0.433 -0.5 L 〇Pa*=Rot (Y, 60° Ltw60° 0 S/«60° 0 Y 0.5 0 1 0 0 0 0 -Λ·”60° 〇C(w60.〇0 -0.866 -0 〇0 1 1 〇 19 1. The method for detecting the amount of human body activity of the infrared human body activity sensor according to the scope of the patent application, wherein the front end of the infrared sensor is further provided with a Fresnel lens. The method of detecting the amount of human activity by the infrared human body activity sensor according to the item 1, wherein the value of the human body activity amount is transmitted by a wireless communication unit. 3. The infrared body body as described in claim 1 The method for detecting the amount of human activity by the activity sensor, wherein the wireless communication unit is transmitted by using a 201024736 ZigBee communication protocol. 8. The infrared human activity sensor according to claim 1 detects human activity. a method of measuring the amount of human activity by using the overlapping and non-overlapping regions. 9. The method for measuring the amount of human activity by the infrared human activity sensor as described in the patent application scope, wherein the human body position The material is a voltage signal change data. 10. The method for extracting a human body activity amount by the infrared human body activity sensor according to the scope of claim 1, wherein the body position data according to the overlap region and the non-overlapping region are respectively constructed. After the step of the kinetic energy variation model of the overlap region and the non-overlapping region, the method further includes: performing a weight processing on the kinetic energy change model of the weight region and the non-overlapping region. The infrared human body activity sensing according to the first item of the human application scope The method of detecting the amount of human activity, the pot Φ兮·^ 曾+摩去/, the a total of the overlapping area and the total amount of the non-heavy energy change model to obtain the value of the human activity amount As follows: (1) kinetic energy change power ice) = "medium ν (ί) 0 ο cold after digitization) = 4 > W, where vW = p: (10) l 〇 - 〇 ff (2) consider the root mean square value (rms 20 201024736 κο: JV (eg Zv2w Σν (,) Τ ϊ nk \ nk \ nkl (3) Consider the average of the duty cycle where r = «Α: D(T) on - time period τ \v {t)dt ^v(Ar) T nk 〇 〇 = tv(A :), then e(T) = ZS(r), r(r) = J group, d(T) = ^·three Π〇 V nk nk index as reference for kinetic energy model construction and human activity measurement according to. 12. An infrared human body activity sensor architecture, comprising: an infrared sensor for detecting a position of a human body and outputting a body position data; and a micro control unit for receiving an infrared sense The body position data output by the device may calculate an activity amount according to the body position data; and a memory unit for temporarily storing the body position and activity amount data of the micro control unit. 13. The infrared human body activity sensor structure of claim 12, wherein the micro control unit outputs a control command according to the activity amount, and the infrared human activity sensor architecture further comprises: The transmission unit receives the control command transmitted by the micro control unit, can transmit with a control circuit of an electronic product, and transmits the control command to the control circuit of the electronic product. 14. The infrared human activity sensor architecture of claim 13, wherein the micro control unit further comprises a central processing unit, a 21 201024736 universal input/output port, and a ratio/digital converter. A general-purpose asynchronous transceiver transmitter. 15. The patented scope structure, wherein the universal type of human body activity sensor element.输入 输入 输入 输入 输入 输入 输入 连接 输入 H H H H H H H H 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 红 And the sensitivity adjustment unit includes at least a variable resistor. 2. The application is specifically for the infrared human (four) motion sensor described in item 12, wherein the transmission unit is a wireless transmission unit. = π 鄕 鄕 帛 帛 帛 帛 帛 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线 红外线The infrared human body activity sensor architecture of claim 17, wherein the wireless transmission unit further comprises an antenna. The infrared human body activity sensor structure according to claim 12, wherein the infrared sensor is a pyroelectric type infrared sensor. I. The infrared human body activity sensor structure according to claim 12, wherein the infrared sensor is disposed in a T-shaped circular arc mechanism. 22. The infrared human activity sensor architecture of claim 12, wherein the infrared sensor front end is further provided with a Fresnel lens. The infrared human body activity sensor according to claim 12, further comprising a power source and the power source is a power source. 4. The infrared human body activity sensor 22 201024736 structure as claimed in claim 1 , wherein the micro control unit constructs a kinetic energy change model according to the human body position data to obtain a numerical value of the human activity amount. ❿ twenty three