Vital sign detection device based on distributed millimeter wave radar technology

Abstract

The utility model provides a vital sign detection device based on distributed millimeter wave radar technology, which comprises a first radar module, at least two second radar modules and a motor driving module which are arranged on a main body, the second radar modules are connected with the first radar module, and the motor driving module is connected with the first radar module. The first radar module is connected with the motor driving module; the main body is used for monitoring sleep quality of multiple users; the second radar module is used for acquiring vital sign data of each user and sending the vital sign data to the first radar module; the first radar module is used for comparing monitored vital sign data of each user and received vital sign data of each user with a preset vital sign threshold value, judging the sleep quality of each user and controlling the motor driving module according to the sleep quality of each user. And the lifting heights of different positions of the main body are adjusted through the motor driving module. According to the scheme, the multi-user vital sign detection information detection precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smart home, and in particular to a vital sign detection device based on distributed millimeter wave radar technology. Background Art

[0002] The various physiological indicators of the human body are generally obtained through traditional contact measurement equipment in hospitals to judge the health status of the human body. Medical equipment has high detection accuracy, but it is expensive and requires medical staff to operate. With the increase of people's awareness of health, many wearable products for detecting human vital signs have appeared on the market, such as smart watches, smart bracelets, wristband pulse blood pressure monitors, etc. These products are suitable for daily home health testing, but their contact characteristics make the user experience poor.

[0003] Non-contact millimeter-wave radar technology eliminates the inconvenience and discomfort of wearing sensors, improves comfort and freedom, and can meet people's needs for home health testing, real-time testing, etc., and has broad application prospects.

[0004] Currently, most of the related research on the application of radar in human vital signs detection is based on a single radar detecting a single person. When detecting the vital signs of multiple people, the detection accuracy is low and the user experience is poor. Utility Model Content

[0005] The utility model provides a vital sign detection device based on distributed millimeter wave radar technology, the main purpose of which is to detect the vital signs of multiple people and improve user experience.

[0006] The present invention provides a vital sign detection device based on distributed millimeter wave radar technology, comprising a first radar module installed on a main body, at least two second radar modules and a motor drive module, wherein the second radar modules are connected to the first radar module, and the first radar module is connected to the motor drive module, wherein:

[0007] The main body is used to monitor the sleep quality of multiple users;

[0008] The second radar module is used to obtain the vital sign data of each user and send it to the first radar module;

[0009] The first radar module is used to judge the sleep quality of each user by comparing the monitored and received vital sign data of each user with a preset vital sign threshold, and control the motor drive module according to the sleep quality of each user, so as to adjust the lifting height of the main body through the motor drive module.

[0010] Furthermore, the first radar module is used to determine the sleep quality of each user. If it is determined that the sleep quality of each user is poor, the motor driving module is used to increase the height of the area where the head of each user is located.

[0011] Furthermore, the first radar module includes a 60 GHz radar detection module and a main controller, wherein:

[0012] The 60GHz radar detector module is used to monitor the vital signs data of each user;

[0013] The main controller is used to compare the vital sign data of each user monitored and received with the preset vital sign threshold, determine the sleep quality of each user, and control the motor drive module according to the sleep quality of each user.

[0014] Furthermore, the vital sign detection device further includes a wireless router and a data cloud, and the first radar module further includes a WIFI communication unit, wherein:

[0015] The main controller is used to send the monitored vital sign data of each user and the received vital sign data of each user to the data cloud through the WIFI communication unit and the wireless router;

[0016] The data cloud analyzes the received vital sign data.

[0017] Furthermore, the vital signs detection device also includes a mobile terminal, wherein:

[0018] The data cloud is used to send the analyzed vital sign data to the mobile terminal.

[0019] Furthermore, the vital signs detection device also includes a PC terminal, wherein:

[0020] The data cloud is used to send the analyzed vital sign data to the PC terminal.

[0021] Furthermore, the first radar module and the second radar module are in an inverted triangle shape, the first radar module is located at one end of the main body, and the second radar module is located in the middle of the main body.

[0022] Furthermore, the main body includes a mattress and / or a sofa.

[0023] Furthermore, the vital sign data include bed time, electrocardiogram data, heart rate data, respiratory data and the number of body turns.

[0024] Furthermore, the second radar module is connected to the first radar module through a suspended microstrip line.

[0025] The utility model proposes a vital sign detection device based on distributed millimeter-wave radar technology, which improves the detection accuracy of multi-user vital sign detection information by using distributed radar technology through a first radar module and a second radar module; at the same time, the utility model installs the distributed radar under the main body, eliminating the discomfort caused by wearing and visible detection equipment, and improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic diagram of the structure of a vital sign detection device provided by an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of the structure of a first radar module provided by an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of the structure of a vital sign detection device provided in one embodiment of the utility model;

[0029] Figure 4 A schematic diagram of a distributed radar layout provided in an embodiment of the utility model.

[0030] Reference numerals:

[0031] 100, a vital sign detection device; 110, a main body;

[0032] 120, a first radar module; 130, a second radar module;

[0033] 140, motor drive module; 150, wireless router;

[0034] 160, data cloud; 170, mobile terminal;

[0035] 180, PC terminal; 121, 60GHz radar detection module;

[0036] 122, a main controller; 123, a WIFI communication unit.

[0037] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0038] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In order to enable those skilled in the art to better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0041] In the embodiments of the present application, at least one refers to one or more; multiple refers to two or more. In the description of the present application, words such as "first", "second", "third", etc. are only used to distinguish the purpose of description, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating or implying order. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0042] References to "one embodiment" or "some embodiments" etc. described in this specification mean that one or more embodiments of the present application include a particular feature, structure or characteristic described in conjunction with the embodiment. Thus, in this specification, the terms "include", "comprises", "has" and their variations all mean "including but not limited to", unless otherwise specifically emphasized.

[0043] Figure 1 A schematic diagram of the structure of a vital sign detection device 100 provided in an embodiment of the present utility model is shown in FIG. Figure 1As shown, the vital sign detection device 100 includes a first radar module 120 installed on a main body 110, at least two second radar modules 130 and a motor drive module 140, wherein the second radar modules 130 are connected to the first radar module 120, and the first radar module 120 is connected to the motor drive module 140, wherein:

[0044] The main body 110 is used to monitor the sleep quality of multiple users;

[0045] The second radar module 130 is used to obtain the vital sign data of each user and send it to the first radar module 120;

[0046] The first radar module 120 is used to determine the sleep quality of each user by comparing the monitored and received vital sign data of each user with a preset vital sign threshold, and control the motor drive module 140 according to the sleep quality of each user, so as to adjust the lifting height of the position of the main body 110 through the motor drive module 140.

[0047] The embodiment of the utility model provides a vital sign detection device 100, which includes a first radar module 120 installed on a main body 110, at least two second radar modules 130 and a motor drive module 140. The number of the second radar modules 130 can be determined according to actual conditions. For example, when it is necessary to monitor the vital signs of two users, at least two second radar modules 130 are required. When it is necessary to monitor the vital signs of multiple users, three or more second radar modules 130 can be installed. It can be determined according to actual conditions, and the embodiment of the utility model does not make specific limitations on this.

[0048] In the embodiment of the present invention, two second radar modules 130 are taken as an example for description.

[0049] In the embodiment of the utility model, the first radar module 120 and the second radar module 130 both include a radar detector, which can detect the vital signs data of the user on the main body 110. The specific content of the vital signs data can be determined according to actual conditions, and the embodiment of the utility model does not make specific limitations on this. For example, it can include bed time, electrocardiogram data, heart rate data, breathing data, and the number of body turns, etc. The bed time, electrocardiogram data, heart rate data, breathing data, and the number of body turns, etc. can be used to characterize the sleep quality of each user.

[0050] In the embodiment of the utility model, the vital sign detection device 100 may further include a motor driving module 140 , which is installed on the main body 110 and is used to control the lifting and lowering of the main body 110 .

[0051] It should be noted that the first radar module 120, the second radar module 130 and the motor drive module 140 are all installed on the back of the main body 110. In the embodiment of the utility model, the main body 110 is for the user to sleep. The side on which the user sleeps is called the front side of the main body 110, and the side opposite to the front side of the main body 110 is called the back side. In the embodiment of the utility model, the first radar module 120, the second radar module 130 and the motor drive module 140 are all installed on the back side of the main body 110, eliminating the discomfort caused by wearable and visible detection equipment and improving the user experience.

[0052] In the embodiment of the utility model, the main body 110 can be a mattress, a sofa, or other leisure devices, which can be determined according to actual conditions and is not limited in the embodiment of the utility model.

[0053] During the use of the vital sign detection device 100, the user sleeps on the main body 110, and the 60GHz radar detection module 121 in the second radar module 130 monitors the vital sign data of each user and sends it to the first radar module 120; the 60GHz radar detection module 121 in the first radar module 120 also monitors the vital sign data of each user, and analyzes and monitors the vital sign data of each user received, and compares it with the preset vital sign threshold. For example, the preset vital sign threshold represents the bed time, electrocardiogram data, heartbeat data, breathing data and the number of body turns under normal circumstances. If the vital sign data of each user is close to the preset vital sign threshold, it is judged that the user has good sleep quality. If the vital sign data of each user is far from the preset vital sign threshold, it is judged that the user has poor sleep quality. In the case of judging that the user's sleep quality is poor, the motor drive module 140 is controlled to rotate, and the height of one end of the main body 110 is raised, that is, the height of the user's head is raised to assist the user in improving sleep quality.

[0054] It should be noted that the preset vital sign threshold is obtained by statistically analyzing vital sign data according to the user's historical sleep.

[0055] The present invention proposes a vital sign detection device 100 based on distributed millimeter-wave radar technology, which improves the detection accuracy of multi-user vital sign detection information by using the distributed millimeter-wave radar technology through the first radar module 120 and the second radar module 130; at the same time, the present invention installs the distributed radar under the main body 110, eliminating the discomfort caused by wearing and visible detection equipment, and improving the user experience.

[0056] In some embodiments, the first radar module 120 is used to determine the sleep quality of each user. If the sleep quality of each user is determined to be poor, the motor driving module 140 is used to increase the height of the area where the head of each user is located.

[0057] In the embodiment of the utility model, the first radar module 120 controls the motor driving module 140 according to the sleep quality of the user, so as to raise the area where the user's head is located, while the height of the area where the user's feet are located remains unchanged when the user's sleep quality is poor.

[0058] In some embodiments, Figure 2 A schematic diagram of the structure of a first radar module 120 provided in an embodiment of the present utility model is shown in FIG. Figure 2 As shown, the first radar module 120 includes a 60 GHz radar detection module 121 and a main controller 122, wherein:

[0059] The 60 GHz radar detection module 121 is used to monitor the vital signs data of each user;

[0060] The main controller 122 is used to determine the sleep quality of each user based on the monitored and received vital sign data of each user, compare the data with the preset vital sign threshold, and control the motor drive module 140 according to the sleep quality of each user.

[0061] In the embodiment of the utility model, the first radar module 120 includes a 60GHz radar detection module 121, a WIFI communication unit 123 and a main controller 122. The 60GHz radar detection module 121 is a radar sensor, which mainly monitors the vital sign data of each user on the main body 110; the main controller 122 can be a single-chip microcomputer. After receiving the vital sign data of each user, the main controller 122 analyzes the vital sign data and compares it with the preset vital sign threshold to judge the sleep quality of each user, and control the motor drive module 140 according to the sleep quality of each user. The specific judgment process is the same as the above method. Please refer to the above embodiment for details, and this embodiment does not repeat the limitation.

[0062] In some embodiments, Figure 3 A schematic diagram of the structure of a vital sign detection device 100 provided in one embodiment of the utility model is shown as follows: Figure 3 As shown, the vital sign detection device 100 further includes a wireless router 150 and a data cloud 160, and the first radar module 120 further includes a WIFI communication unit 123, wherein:

[0063] The main controller 122 is used to send the monitored vital sign data of each user and the received vital sign data of each user to the data cloud 160 through the WIFI communication unit 123 and the wireless router 150;

[0064] The data cloud 160 analyzes the received vital sign data.

[0065] In the embodiment of the utility model, the vital signs detection device 100 also includes a wireless router 150 and a data cloud 160, and the first radar module 120 also includes a WIFI communication unit 123. After the main controller 122 receives the vital signs data of each user and the monitored vital signs data of each user, it sends all the vital signs data of each user to the data cloud 160 through the WIFI communication unit 123 and the wireless router 150. After receiving the vital signs data, the data cloud 160 stores the vital signs data to facilitate the user to trace the historical vital signs data.

[0066] After receiving the vital sign data of each user, the data cloud 160 analyzes the data to analyze the sleep quality of each user.

[0067] In some embodiments, the vital sign detection device 100 further includes a mobile terminal 170, wherein:

[0068] The data cloud 160 is used to send the analyzed vital sign data to the mobile terminal 170 .

[0069] In some embodiments, the vital sign detection device 100 further includes a PC terminal 180, wherein:

[0070] The data cloud 160 is used to send the analyzed vital sign data to the PC terminal 180 .

[0071] In the embodiment of the utility model, the vital sign detection device 100 further includes a mobile terminal 170 and a PC terminal 180. The mobile terminal 170 may be a mobile terminal such as a mobile phone or an embedded product, and the PC terminal 180 may be a desktop computer, etc. The data cloud 160 also sends each user's vital sign data to the mobile terminal 170 and the PC terminal 180.

[0072] In some embodiments, the first radar module 120 and the second radar module 130 are in the shape of an inverted triangle, wherein the first radar module 120 is located at one end of the main body 110 , and the second radar module 130 is located in the middle of the main body 110 .

[0073] In the embodiment of the utility model, the first radar module 120 and the two second radar modules 130 are inverted triangles. The first radar module 120 is located at one end of the main body 110, and the second radar module 130 is located in the middle of the main body 110. Figure 3 shown.

[0074] In some embodiments, the second radar module 130 is connected to the first radar module 120 via a suspended microstrip line.

[0075] Figure 4 A schematic diagram of a distributed radar layout provided by an embodiment of the utility model, such as Figure 4 As shown, the distance between the two second radar modules 130 is d1, the distance between one second radar module 130 and the first radar module 120 is d2, and the distance between the other second radar module 130 and the first radar module 120 is d3. The following calculation expressions are satisfied: d1 = 150 × f, d2 = 260 × f, d3 = 260 × f. By measuring the angle of the phase change of the peak point in the distance dimension and the Doppler dimension in the antenna dimension, the positions of different targets are finally determined, thereby determining the breathing and heartbeat information of different targets.

[0076] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0077] The embodiments described above are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should be included in the protection scope of the present invention.

Claims

1. A vital sign detection device based on distributed millimeter wave radar technology, characterized in that: The invention comprises a first radar module installed on a main body, at least two second radar modules and a motor drive module, wherein the second radar modules are connected to the first radar module, and the first radar module is connected to the motor drive module, wherein: The main body is used to monitor the sleep quality of multiple users; The second radar module is used to obtain the vital sign data of each user and send it to the first radar module; The first radar module is used to judge the sleep quality of each user by comparing the monitored and received vital sign data of each user with a preset vital sign threshold, and control the motor drive module according to the sleep quality of each user, so as to adjust the lifting height of the main body through the motor drive module.

2. The vital sign detection device based on distributed millimeter wave radar technology according to claim 1 is characterized in that: The first radar module is used to determine the sleep quality of each user. If it is determined that the sleep quality of each user is poor, the motor driving module is used to increase the height of the area where the head of each user is located.

3. The vital sign detection device based on distributed millimeter wave radar technology according to claim 1 is characterized in that: The first radar module includes a 60GHz radar detection module and a main controller, wherein: The 60GHz radar detection module is used to monitor the vital signs data of each user; The main controller is used to compare the vital sign data of each user monitored and received with the preset vital sign threshold, determine the sleep quality of each user, and control the motor drive module according to the sleep quality of each user.

4. The vital sign detection device based on distributed millimeter wave radar technology according to claim 3 is characterized in that: The vital sign detection device further includes a wireless router and a data cloud, and the first radar module further includes a WIFI communication unit, wherein: The main controller is used to send the monitored vital sign data of each user and the received vital sign data of each user to the data cloud through the WIFI communication unit and the wireless router; The data cloud analyzes the received vital sign data.

5. The vital sign detection device based on distributed millimeter wave radar technology according to claim 4 is characterized in that: The vital sign detection device also includes a mobile terminal, wherein: The data cloud is used to send the analyzed vital sign data to the mobile terminal.

6. The vital sign detection device based on distributed millimeter wave radar technology according to claim 4 is characterized in that: The vital signs detection device also includes a PC terminal, wherein: The data cloud is used to send the analyzed vital sign data to the PC terminal.

7. The vital sign detection device based on distributed millimeter wave radar technology according to claim 1 is characterized in that: The first radar module and the second radar module are in an inverted triangle shape, the first radar module is located at one end of the main body, and the second radar module is located in the middle of the main body.

8. The vital sign detection device based on distributed millimeter wave radar technology according to any one of claims 1 to 7, characterized in that: The main body includes a mattress and / or a sofa.

9. The vital sign detection device based on distributed millimeter wave radar technology according to any one of claims 1 to 7, characterized in that: The vital sign data include bed time, electrocardiogram data, heart rate data, respiratory data and body turning times.

10. The vital sign detection device based on distributed millimeter wave radar technology according to any one of claims 1 to 7, characterized in that: The second radar module is connected to the first radar module through a suspended microstrip line.

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