Air pump assembly, meter mechanism, wearable device, blood pressure detection device and method

Abstract

This application provides an air pump assembly, a meter mechanism, a wearable device, a blood pressure detection device, and a method. The air pump assembly includes: an air pump, a first main control valve, a second main control valve, and a vent valve. The air pump is connected to the first and second main control valves via a main air path and has a first vent port connecting the main air path and the external atmosphere, which can be opened or closed. The first main control valve has a first air port connecting the main air path and a first external air path, which can be opened or closed. The second main control valve has a second air port connecting the main air path and the second external air path, which can be opened or closed. The first external air path is independent of the second external air path. The vent valve has a second vent port connecting the first external air path and the external atmosphere, which can be opened or closed. Through the above configuration, the air pump and the vent valve can serve as backup valves for each other, providing redundant venting paths for the first external air path and improving the safety of the air pump assembly.

Description

Technical Field

[0001] This application relates to the technical field of wearable devices, specifically to an air pump assembly, a meter mechanism, a wearable device, a blood pressure detection device, and a method. Background Technology

[0002] Currently, common blood pressure measurement solutions in smartwatches involve placing an air bladder in the watch band and inflating it using an air pump inside the watch head. This inflates the bladder to compress the user's blood vessels for blood pressure measurement. However, because existing smartwatches lack redundant air circuit designs, the air bladder may rupture after inflation due to valve malfunction, preventing it from deflating. This means that smartwatches cannot meet the safety standards for automatic nighttime measurement. Summary of the Invention

[0003] This application provides an air pump assembly, comprising: an air pump, a first main control valve, a second main control valve, and a vent valve; the air pump is connected to the first main control valve and the second main control valve via a main air path, and is connected to a first vent port having the main air path and external atmosphere, the first vent port being openable or closed; the first main control valve has a first air port connecting the main air path and a first external air path, the first air port being openable or closed; the second main control valve has a second air port connecting the main air path and a second external air path, the second air port being openable or closed, the first external air path being independent of the second external air path; the vent valve has a second vent port connecting the first external air path and external atmosphere, the second vent port being openable or closed.

[0004] This application also provides a meter head mechanism, which includes: a housing assembly and the aforementioned air pump assembly; the air pump assembly is disposed on the housing assembly and has the main air passage, and the housing assembly has the first external air passage and the second external air passage.

[0005] This application also provides a wearable device, the wearable device including: a watch strap mechanism and the watch head mechanism described above; the watch strap mechanism is connected to the housing assembly and has a first airbag communicating with the first external air passage and a second airbag communicating with the second external air passage, and the first airbag and the second airbag can expand or contract under the control of the air pump assembly.

[0006] This application also provides a blood pressure detection device, which includes: a first airbag, a second airbag, and the aforementioned air pump assembly; the first external air passage is connected to the first airbag, the second external air passage is connected to the second airbag, and the first airbag and the second airbag are not internally connected.

[0007] This application also provides a blood pressure detection method, applied to the aforementioned wearable device or blood pressure detection apparatus. When the air pump assembly includes a first detection element capable of detecting pressure within the main airway, the blood pressure detection method includes: determining that the user is in a first state; responding to a first blood pressure detection command in the first state to open the first air inlet and close the second air inlet, the first vent, and the second vent; controlling the air pump to inflate the first airbag, and controlling the air pump to stop inflating when the first detection element detects that the air pressure value in the main airway meets a first preset condition; opening the first vent and the second vent to deflate the first airbag; and calculating a blood pressure value based on some or all of the air pressure values ​​measured by the first detection element during the inflation and / or deflation of the first airbag.

[0008] The air pump assembly provided in this application has a first vent that connects the main air path and the external atmosphere, and the first vent can be opened or closed. The vent valve has a second vent that connects the first external air path and the external atmosphere, and the second vent can be opened or closed. This allows the air pump and the vent valve to serve as backup valves for each other to vent, thereby improving the safety of the air pump assembly and meeting the safety standards for nighttime blood pressure measurement. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a partial structural schematic diagram of the wearable device provided in the embodiments of this application;

[0011] Figure 2 yes Figure 1 A schematic diagram of the watch strap mechanism;

[0012] Figure 3 yes Figure 2 A schematic diagram of the connection structure between the middle section of the watch strap and the connecting components;

[0013] Figure 4 yes Figure 2 A partial structural diagram of the central airbag;

[0014] Figure 5 yes Figure 1 A schematic diagram of a partial cross-sectional structure of the wearable device along line V-V;

[0015] Figure 6 yes Figure 2A schematic diagram of the structure of the connecting component;

[0016] Figure 7 yes Figure 1 A schematic diagram of the structure of the central section of the meter head mechanism;

[0017] Figure 8 This is a structural block diagram of the housing assembly, air pump assembly, and two airbags provided in the embodiments of this application;

[0018] Figure 9 yes Figure 1 A schematic diagram of the central section of the meter head mechanism from another perspective;

[0019] Figure 10 This is another structural block diagram of the housing assembly, air pump assembly, and two airbags provided in the embodiments of this application;

[0020] Figure 11 yes Figure 1 A schematic diagram of the partial cross-sectional structure of the central section of the meter head mechanism along VII-VII;

[0021] Figure 12 This is a schematic flowchart of the blood pressure detection method provided in the embodiments of this application. Detailed Implementation

[0022] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be particularly noted that the following embodiments are for illustrative purposes only and do not limit the scope of the application. Similarly, the following embodiments are only some, not all, embodiments of the present application, and all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of the present application.

[0023] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0024] Please see Figures 1 to 2 , Figure 1 This is a partial structural schematic diagram of the wearable device 10 provided in an embodiment of this application. Figure 2 yes Figure 1 A schematic diagram of the structure of the middle strap mechanism 100.

[0025] The wearable device 10 provided in this application can be a smartwatch, a smart bracelet, or a cuff-type blood pressure measuring device, etc. The following example uses a smartwatch as the wearable device 10. Figure 1 As shown, the wearable device 10 includes a strap mechanism 100 and a head mechanism 200. The strap mechanism 100 is connected to the head mechanism 200 and works with it to form a wearing space for the user, allowing the user to wear the wearable device 10 on their wrist. Simultaneously, the strap mechanism 100 is also synchronously connected to the head mechanism 200 and can expand or contract under the control of the head mechanism 200. The head mechanism 200 can integrate various functional components required by the wearable device 10 and can inflate and deflate the strap mechanism 100, allowing it to expand or contract under the control of the head mechanism 200 to facilitate blood pressure measurement. In this embodiment, the air path for deflation of the strap mechanism 100 by the head mechanism 200 has a redundant design, which helps improve the safety of using the wearable device 10.

[0026] The watch strap mechanism 100 can be detachably connected to the watch head mechanism 200 and can expand or contract under the control of the watch head mechanism 200. For example... Figure 2 As shown, the watch band mechanism 100 includes a watch band assembly 110 and a connecting assembly 120. The watch band assembly 110 is connected to the connecting assembly 120 and can be connected to the meter head mechanism 200 via the connecting assembly 120. The watch band assembly 110 can also expand or contract under the control of the meter head mechanism 200 to cooperate with the meter head mechanism 200 in measuring the user's blood pressure. The connecting assembly 120 is connected to the watch band assembly 110 and can also be mounted on and detachably connected to the meter head mechanism 200, enabling a detachable connection between the watch band assembly 110 and the meter head mechanism 200. Simultaneously, when the connecting assembly 120 is assembled with the meter head mechanism 200, it can simultaneously connect the watch band assembly 110 and the meter head mechanism 200, allowing the meter head mechanism 200 to inflate or deflate the watch band assembly 110 via the connecting assembly 120, thereby expanding or contracting the watch band assembly 110.

[0027] Please combine Figure 2 See Figures 3 to 6 , Figure 3 yes Figure 2 A schematic diagram of the connection structure between the middle part of the watch strap 111 and the connecting component 120. Figure 4 yes Figure 2 A partial structural diagram of the central airbag 112. Figure 5 yes Figure 1 A schematic diagram of a partial cross-sectional structure of the wearable device 10 along line V-V. Figure 6 yes Figure 2 A schematic diagram of the structure of the connecting component 120.

[0028] The watch strap assembly 110 is connected to the connecting assembly 120 and can expand or contract under the control of the watch head mechanism 200. For example... Figures 2 to 3 As shown, the watch band assembly 110 includes a watch band 111 and an air bladder 112. The watch band 111 is connected to a connecting assembly 120 and can be detachably connected to a watch head mechanism 200 via the connecting assembly 120. The watch band 111 can be used to form a wearing space for the user in conjunction with the watch head mechanism 200. The air bladder 112 is disposed on the watch band 111 and connected to the connecting assembly 120. The air bladder 112 is also in communication with the connecting assembly 120, allowing the watch head mechanism 200 to inflate and deflate the air bladder 112 via the connecting assembly 120 to control the expansion or contraction of the air bladder, thereby cooperating with the watch head mechanism 200 to measure the user's blood pressure. Of course, in addition to blood pressure measurement, the air bladder 112 can also cooperate with the watch head mechanism 200 to achieve other measurement functions (such as heart rate measurement), which is not limited in this embodiment.

[0029] For example, the end of the watch strap 111 is connected to the connecting component 120, and the connecting component 120 is preferably embedded in the end of the watch strap 111. This enhances the connection between the watch strap 111 and the connecting component 120 while also concealing the connecting component 120, thereby improving the aesthetic appearance of the watch strap mechanism 100. Simultaneously, a portion of the connecting component 120 can protrude from the watch strap 111 to allow for a detachable connection with the watch head mechanism 200. Furthermore, the side of the watch strap 111 within the wearing space can also be connected to the airbag 112, allowing the airbag 112 to conform to the user's wrist, thus facilitating the measurement of the user's blood pressure in conjunction with the watch head mechanism 200.

[0030] For example, the watch strap 111 has a connecting hole 1111 on one side within the wearing space, and the airbag 112 has a protrusion 1121 that is inserted into the connecting hole 1111 and press-fitted with the watch strap 111. Figure 4 (As shown), this allows for a detachable connection between the watch strap 111 and the airbag 112 (the positions of the connecting hole 1111 and the protrusion 1121 can also be interchanged). Alternatively, a Velcro closure can be provided on one side of the watch strap 111 within the wearing space, and this Velcro closure can be used for detachable connection with the airbag 112. In this embodiment, the material of the watch strap 111 can be TPU (Thermoplastic Urethane), knitted material, or fluororubber. Of course, the material of the watch strap 111 is not limited to these, and this embodiment does not list them all.

[0031] Optionally, the connecting component 120 can be embedded in the end of the watch strap 111, or it can be connected to the end of the watch strap 111 in other ways, as long as it can ensure that the watch strap 111 and the connecting component 120 have sufficient connection strength, and that the connecting component 120 can cooperate with the watch head mechanism 200. This embodiment is not limited in this respect. At the same time, in addition to being detachably connected to the airbag 112, the watch strap 111 can also be fixedly connected to the airbag 112, so that the watch strap 111 and the airbag 112 are not detachable, as long as it can ensure that the airbag 112 can communicate with the connecting component 120. This embodiment is not limited in this respect either.

[0032] Airbag 112 is located on one side of the watch strap 111 within the wearing space, and airbag 112 is also connected to and communicates with connecting component 120. For example... Figures 4 to 5 As shown, the airbag 112 may include an airbag body 1122 and an air nozzle 1123. The airbag body 1122 is located on one side of the watch strap 111 within the wearing space and is connected to the watch strap 111. The airbag body 1122 may have the aforementioned protrusion 1121 on the side facing the watch strap 111. The air nozzle 1123 is located at the end of the airbag body 1122 on the side facing the watch strap 111, and is also connected to the interior of the airbag body 1122. Simultaneously, the air nozzle 1123 can also be connected to the connecting assembly 120, connecting the airbag body 1122 and the connecting assembly 120, allowing the watch head mechanism 200 to inflate or deflate the airbag body 1122 via the connecting assembly 120, thereby achieving the expansion or contraction of the airbag body 1122. In this embodiment, the air nozzle 1123 is preferably inserted into the connecting component 120 to communicate with the connecting component 120.

[0033] Optionally, to improve the airtightness of the airbag body 1122, the airbag body 1122 and the air nozzle 1123 can be fixed by heat pressing to improve the tightness of the connection between the airbag body 1122 and the air nozzle 1123. Of course, other connection methods can also be used for the airbag body 1122 and the air nozzle 1123, and this embodiment does not limit this.

[0034] Optionally, to reduce the probability of air leakage at the connection between the nozzle 1123 and the connecting assembly 120, the airbag 112 may also be provided with a sealing ring 1124 surrounding the nozzle 1123. When the nozzle 1123 is inserted into the connecting assembly 120, the sealing ring 1124 can abut against both the nozzle 1123 and the connecting assembly 120 to fill the gap between them, thereby reducing the probability of air leakage at the connection between the nozzle 1123 and the connecting assembly 120. In this embodiment, the sealing ring 1124 may be made of elastic materials such as silicone, rubber, and soft plastic, so that the sealing ring 1124 can abut against both the nozzle 1123 and the connecting assembly 120. Optionally, in addition to the sealing ring 1124, adhesive may also be applied to the connection between the nozzle 1123 and the connecting assembly 120 for sealing.

[0035] There can be two airbags 112, namely a first airbag 112a and a second airbag 112b. The first airbag 112a can be located on one side of the watch strap 111 within the wearing space, and the second airbag 112b can be located between the first airbag 112a and the watch strap 111. The first airbag 112a and the second airbag 112b can expand or contract under the control of the watch head mechanism 200. In this embodiment, the first airbag 112a and the second airbag 112b are not internally connected, and either the first airbag 112a or the second airbag 112b can be a single-layer airbag or a multi-layer airbag.

[0036] When a user wears the wearable device 10, the second airbag 112b inflates to fill the gap between the first airbag 112a and the user's wrist, allowing the first airbag 112a to fit snugly against the user's wrist. The first airbag 112a, after inflation, can compress and block arteries in the user's wrist, and can also be used for blood pressure measurement, for example, by detecting the air pressure value of the first airbag 112a to obtain relevant information for calculating blood pressure.

[0037] In some embodiments, the second airbag 112b can function as a filler, a compressor, or both. That is, after inflation, the second airbag 112b can not only fill the gap between the first airbag 112a and the user's wrist, but also exert a certain amount of pressure on the user's wrist to assist the first airbag 112a in blocking the user's arterial blood vessels.

[0038] The connecting component 120 is connected to the end of the watch strap 111 and is detachably mounted on the watch head mechanism. The connecting component 120 also connects the airbag body 1122 and the watch head mechanism 200, allowing the watch head mechanism 200 to inflate and deflate the airbag body 1122 via the connecting component 120. Figures 5 to 6As shown, the connecting component 120 has an air passage 1201. When the connecting component 120 is detachably connected to the instrument head mechanism 200, the air passage 1201 can simultaneously connect the airbag body 1122 and the instrument head mechanism 200, so that the instrument head mechanism 200 can inflate or deflate the airbag body 1122 through the air passage 1201 to realize the expansion or contraction of the airbag body 1122.

[0039] The connecting assembly 120 includes a connector 121 and a sealing cap 122. The connector 121 is also embedded within the end of the watch strap 111, and a portion of the connector 121 protrudes beyond the watch strap 111, allowing it to be inserted into the watch head mechanism 200 for detachable connection. The connector 121 may also have the aforementioned air passage 1201, and when the connector 121 is inserted into the watch head mechanism 200, a portion of the air passage 1201 can also be inserted synchronously with the connector 121 into the watch head mechanism 200, with the insertion direction of the connector 121 parallel to the insertion direction of the air passage 1201. The sealing cap 122 is disposed on the connector 121 and is used to seal any openings left on the connector 121 due to the formation of the air passage 1201, ensuring the airtightness of the air passage 1201.

[0040] Optionally, after assembly, the connector 121 and the sealing cap 122 can be embedded in the end of the watch strap 111 through an in-mold injection molding process. The connector 121 and the sealing cap 122 are preferably made of rigid plastic to provide structural strength to the connecting assembly 120 and to reduce its weight. Of course, the connection method between the connector 121 and the watch strap 111, as well as the materials used for the connector 121 and the sealing cap 122, can be adjusted according to design requirements; this embodiment does not limit these aspects.

[0041] Optionally, in addition to the connector 121 being inserted into the meter head mechanism 200, the connector 121 can also be inserted into the meter head mechanism 200 for detachable connection. Similarly, in addition to the air passage 1201 being inserted into the meter head mechanism 200, the air passage 1201 can also be inserted into the meter head mechanism 200 for communication. It is understood that the connector 121 can be inserted into the meter head mechanism 200 from the side, for example, the side of the meter head mechanism 200 may be provided with an opening for partial or complete insertion of the connector 121.

[0042] The number of airways 1201 can also be two, and the two airways 1201 can be connected to the two airbags 112 respectively. The following explanation only takes the connection method between a single airbag 112 and the airway 1201 as an example. Figure 5As shown, the air nozzle 1123 can be inserted into a portion of the air passage 1201 and can connect the air passage 1201 and the airbag body 1122, so that the instrument head mechanism 200 can inflate or deflate the airbag body 1122 through the air passage 1201, thereby realizing the expansion or contraction of the airbag body 1122.

[0043] It is understood that, in addition to the watch strap mechanism 100 and the watch head mechanism 200 being detachably connected via the connecting component 120, the watch strap mechanism 100 and the watch head mechanism 200 can also be non-detachably connected. As long as the watch strap mechanism 100 is assembled onto the watch head mechanism 200, the airbag 112 can be simultaneously connected to the watch head mechanism 200. This embodiment does not limit this.

[0044] All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of the components in a specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or devices.

[0045] Please see Figures 7 to 10 , Figure 7 yes Figure 1 A structural diagram of the middle section of the meter head mechanism 200. Figure 8 This is a structural block diagram of the housing assembly 210, the air pump assembly 220, and the two airbags 112 provided in the embodiments of this application. Figure 9 yes Figure 1 A structural schematic diagram of the middle section of the meter head mechanism 200 from another perspective. Figure 10 This is another structural block diagram of the housing assembly 210, air pump assembly 220, and two airbags 112 provided in the embodiments of this application.

[0046] The meter head mechanism 200 can be detachably connected to the connector 121 and can communicate with the air passage 1201. The meter head mechanism 200 can inflate or deflate the airbag 112 through the air passage 1201, causing the airbag 112 to expand or contract. Figures 7 to 8As shown, the meter head mechanism 200 may include a housing assembly 210 and an air pump assembly 220. The housing assembly 210 encloses a mounting space 201 for mounting the air pump assembly 220, and a connector 121 can be inserted into the side of the housing assembly 210 facing away from the mounting space 201 to achieve a detachable connection with the connector 121. The housing assembly 210 may also have a first external air passage 202 and a second external air passage 203 respectively connected to two air passages 1201, and the first external air passage 202 and the second external air passage 203 are independent. The air pump assembly 220 has a main air passage 2201 connected to the first external air passage 202 and the second external air passage 203, and the air pump assembly 220 can inflate the first external air passage 202 and the second external air passage 203 through the main air passage 2201, allowing the two air bladders 112 connected to the first external air passage 202 and the second external air passage 203 to expand or contract.

[0047] Housing assembly 210 may include: a frame 211. For example... Figures 7 to 8 As shown, the frame 211 can enclose an installation space 201 for accommodating the air pump assembly 220. The side of the frame 211 facing away from the installation space 201 also has a slot 2111 for inserting the connector 121, and can be detachably connected to the connector 121. Simultaneously, the frame 211 also has a first external air passage 202 and a second external air passage 203. The first external air passage 202 and the second external air passage 203 can form openings on the side of the frame 211 facing away from the installation space 201, allowing the two air channels 1201 of the connector 121 to be inserted, thereby achieving communication between the two air channels 1201 and the first external air passage 202 and the second external air passage 203. The specific structure of the first external air passage 202 and the second external air passage 203 can be adjusted according to the overall design requirements of the wearable device 10, as long as the first external air passage 202 and the second external air passage 203 can function as a connector between the air pump assembly 220 and the air channels 1201.

[0048] The air pump assembly 220 may include: an air pump 221, a first main control valve 222, a second main control valve 223, and a vent valve 224. For example... Figures 7 to 8 As shown, the air pump 221 can be connected to the first main control valve 222 and the second main control valve 223 through the main air passage 2201, and has a first vent 2211 that connects the main air passage 2201 and the external atmosphere. The first vent 2211 can be opened or closed under the control of the air pump 221. The air pump 221 can be used to inflate the first airbag 112a and the second airbag 112b, and the first airbag 112a and the second airbag 112b can also be deflated through the first vent 2211 of the air pump 221.

[0049] The first main control valve 222 can control whether the main air passage 2201 and the first external air passage 202 are connected. The first main control valve 222 may have a first air port 2221 connecting the main air passage 2201 and the first external air passage 202, and the first air port 2221 can be opened or closed under the control of the first main control valve 222. When the first air port 2221 is open, the first main control valve 222 can connect the main air passage 2201 and the first external air passage 202, allowing the air pump 221 to inflate and deflate the first airbag 112a through both passages. Similarly, when the first air port 2221 is closed, the first main control valve 222 can isolate the main air passage 2201 and the first external air passage 202.

[0050] The second main control valve 223 can control whether the main air passage 2201 and the second external air passage 203 are connected. The second main control valve 223 may have a second air port 2231 connecting the main air passage 2201 and the second external air passage 203, and the second air port 2231 can be opened or closed under the control of the second main control valve 223. When the second air port 2231 is open, the second main control valve 223 can connect the main air passage 2201 and the second external air passage 203, allowing the air pump 221 to inflate and deflate the second airbag 112b through the main air passage 2201 and the second external air passage 203. Similarly, when the second air port 2231 is closed, the second main control valve 223 can isolate the main air passage 2201 and the second external air passage 203.

[0051] The vent valve 224 controls whether the first external air passage 202 is connected to the outside atmosphere. The vent valve 224 may have a second vent port 2241 connecting the main air passage 2201 and the first external air passage 202, and the second vent port 2241 can be opened or closed under the control of the vent valve 224. When the second vent port 2241 is open, the vent valve 224 can connect the first external air passage 202 to the outside atmosphere, allowing gas in the first airbag 112a to escape through the second vent port 2241. Similarly, when the second vent port 2241 is closed, the vent valve 224 can isolate the first external air passage 202 from the outside atmosphere. In this embodiment, the first main control valve 222, the second main control valve 223, and the vent valve 224 can all be one-way valves.

[0052] In the above scheme, the air pump 221 and the vent valve 224 can serve as backup valves for each other, providing redundant venting paths for the first airbag 112a. Specifically, if the air pump 221 fails to open the first vent port 2211, or if the first main control valve 222 fails to open the first air port 2221, the first airbag 112a can vent through the second vent port 2241 of the vent valve 224. Conversely, if the vent valve 224 fails to open the second vent port 2241, the first airbag 112a can vent through the first vent port 2211 of the air pump 221. This configuration enhances the safety of the first airbag 112a, meeting the safety standards for automatic nighttime blood pressure measurement.

[0053] The first main control valve 222 can respond to the first blood pressure detection command in the first state to open the first air port 2221, and the second main control valve 223 can respond to the first blood pressure detection command in the first state to close the second air port 2231. The first state can be a nighttime state. In this state, because the first airbag 112a has redundant degassing paths, it can be used alone at night to detect the user's blood pressure, while the second airbag 112b can be in a closed state to ensure the safety of the wearable device 10 during nighttime use. In this embodiment, the first airbag 112a can be an internally connected double-layered airbag, allowing it to have a large expansion stroke, so that it can compress and block the user's blood vessels to detect blood pressure.

[0054] The first main control valve 222 can respond to the second blood pressure detection command in the second state to open or close the first air port 2221, and the second main control valve 223 can respond to the second blood pressure detection command in the second state to open or close the second air port 2231. The second state can be a daytime state, in which the first airbag 112a and the second airbag 112b can be used in conjunction to improve the accuracy of blood pressure detection by the wearable device 10. In this embodiment, the first airbag 112a can still provide compression, while the second airbag 112b can fill the gap between the first airbag 112a and the user's wrist, and / or provide compression to the user's wrist, in conjunction with the first airbag 112a for blood pressure detection.

[0055] It is understood that the first state and the second state may not be limited to the above-described nighttime and daytime states. Other embodiments of the first state and the second state are detailed below and will not be elaborated here.

[0056] To monitor a user's blood pressure, the air pump assembly 220 may further include a first sensing element 225. For example... Figures 8 to 9As shown, the first detection element 225 can be connected to the main air passage 2201 and can detect the air pressure value within the main air passage 2201, that is, the air pressure value of the first airbag 112a and / or the second airbag 112b, to calculate the user's blood pressure value, thereby cooperating with the first airbag 112a and / or the second airbag 112b to perform blood pressure detection. The first detection element 225 can be a differential pressure gauge, and the number of first detection elements 225 can be one, to simplify the structure of the air pump assembly 220 and thus reduce the production cost of the air pump assembly 220. Simultaneously, the first airbag 112a can cooperate with the first detection element 225 to perform blood pressure detection in both the first and second states, while the second airbag 112b only cooperates with the first detection element 225 to perform blood pressure detection in the second state.

[0057] To provide external atmospheric pressure data for reference in blood pressure calculation, the air pump assembly 220 may further include a second sensing element 226. For example... Figures 9 to 10 As shown, the second detection element 226 can communicate with the external atmosphere and can detect the air pressure value of the external atmosphere. The pressure data detected by the first detection element 225 and the second detection element 226 can be transmitted to the corresponding processing module for the processing module to call.

[0058] In some embodiments, in addition to detecting the external atmospheric pressure, the second detection element 226 can also detect the pressure within the main air passage 2201, just like the first detection element 225, to serve as a backup for the first detection element 225, thereby improving the reliability of the wearable device 10. Of course, the second detection element 226 can also detect both the external atmospheric pressure and the pressure within the main air passage 2201 simultaneously, and is not limited to detecting only one of them.

[0059] In some embodiments, the design of the second detection element 226 can also be omitted. In this case, the first detection element 225 can detect not only the air pressure value within the main air passage 2201, but also the air pressure value of the external atmosphere. Figure 8 As shown, the first detection element 225 can also be connected to the external atmosphere, so that the first detection element 225 can simultaneously detect the air pressure values ​​of the main air passage 2201 and the external atmosphere, thereby simplifying the structure of the air pump assembly 220 and reducing the production cost of the air pump assembly 220.

[0060] Please combine Figure 7 and Figure 9 See Figure 11 , Figure 11 yes Figure 1 A schematic diagram of the cross-sectional structure of the middle section of the meter head mechanism 200 along VII-VII.

[0061] The air pump assembly 220 may also include: such as Figure 7 , Figure 9 as well as Figure 11 The mounting bracket 227 shown may have the aforementioned main air passage 2201. The air pump 221, the first main control valve 222, the second main control valve 223, the first detection element 225, and the second detection element 226 may all be mounted on the mounting bracket 227 to facilitate the cooperation of the aforementioned structural components with the main air passage 2201. Similarly, the vent valve 224 may be mounted on the frame 211 to facilitate the cooperation of the vent valve 224 with the first external air passage 202 and the second external air passage 203 on the frame 211.

[0062] For example, the air pump 221 can be disposed on one side of the mounting bracket 227 in the thickness direction of the meter mechanism 200 and can be connected to the main air passage 2201. The first main control valve 222 and the second main control valve 223 can be disposed on the side of the mounting bracket 227 facing the frame 211, and the first main control valve 222 can connect the main air passage 2201 and the first external air passage 202, while the second main control valve 223 can connect the main air passage 2201 and the second external air passage 203. At the same time, a sealing ring G is provided between the first main control valve 222 and the frame 211, and between the second main control valve 223 and the frame 211, so as to seal the connection between the first main control valve 222 and the first external air passage 202, and the connection between the second main control valve 223 and the frame 211. The first detection element 225 and the second detection element 226 can both be located on the side of the mounting bracket 227 away from the air pump 221. The first detection element 225 can be connected to the main air passage 2201, while the second detection element 226 can be connected to the external atmosphere.

[0063] Furthermore, the vent valve 224 can be located on the side of the frame 211 facing the mounting bracket 227, and can be situated between the first main control valve 222 and the second main control valve 223. Simultaneously, the housing assembly 210 may also include a vent bracket 212 disposed between the frame 211 and the vent valve 224. The vent bracket 212 and the frame 211 can together form a venting channel 213, and this venting channel 213 can connect the vent valve 224 and the first external air passage 202. For example, a portion of the vent bracket 212 can be located at the connection point between the first main control valve 222 and the first external air passage 202, that is, within the space formed by the sealing ring G, the first main control valve 222, and the first external air passage 202, and the venting channel 213 can form an opening in this portion to connect to the first external air passage 202. This design, compared to the solution of independently machining the venting channel 213 on the frame 211, helps to reduce the manufacturing difficulty of the frame 211.

[0064] It is understood that the layout of each structural component in the above embodiments can also be adapted to design requirements, and is not limited to the layout shown in the above embodiments. It is only necessary to meet the cooperation relationship between each structural component. This embodiment will not list them one by one.

[0065] In some embodiments, the mounting bracket 227 may also be part of the housing assembly 210. That is, the housing assembly 210 may not only have a first external air passage 202 and a second external air passage 203, but may also have a main air passage 2201. The specific construction of the main air passage 2201, the first external air passage 202, and the second external air passage 203 may also be adaptively adjusted according to the overall design requirements of the wearable device 10, and this embodiment does not limit this.

[0066] This application also provides a blood pressure monitoring device, which differs from the wearable device 10 described above, i.e., a smartwatch. This blood pressure monitoring device can be a dedicated blood pressure measuring device and may include: a first airbag 112a, a second airbag 112b, and an air pump assembly 220. The first airbag 112a can be connected to a first external air passage 202, and the second airbag 112b can be connected to a second external air passage 203, but the first and second airbags 112a and 112b are not internally connected. The air pump assembly 220 may have both a first external air passage 202 and a second external air passage 203; that is, the housing assembly 210 may be part of the air pump assembly 220. Furthermore, the specific arrangement of the first airbag 112a, the second airbag 112b, and the air pump assembly 220 may be the same as or similar to that of the aforementioned wearable device 10, and will not be elaborated upon here.

[0067] Please see Figure 12 , Figure 12 This is a schematic flowchart of a blood pressure detection method provided in an embodiment of this application. The blood pressure detection method can be applied to the wearable device 10 or the blood pressure detection device described above, and may include the following steps:

[0068] S100, confirm that the user is in the first state.

[0069] S110, in the first state, responds to the first blood pressure detection command to open the first air port and close the second air port, the first vent, and the second vent.

[0070] S120, control the air pump to inflate the first airbag, and when the first detection element detects that the air pressure value of the main air circuit meets the first preset condition, control the air pump to stop inflating.

[0071] S130, open the first vent and the second vent to deflate the first airbag.

[0072] S140, calculate the blood pressure value based on part or all of the air pressure values ​​measured by the first detection element during the inflation and / or deflation of the first airbag.

[0073] Specifically, the first blood pressure detection command can be automatically or passively triggered in a first state, which may include: the user being in an unconscious state, or the current time being a first preset time. The user being in an unconscious state refers to a state of sleep, anesthesia, or coma, where the user is unconscious or has weak consciousness. The wearable device 10 can autonomously detect whether the user is in an unconscious state and automatically trigger the first blood pressure detection command when it detects this, in order to detect the user's blood pressure. For example, when the user is asleep, the wearable device 10 can determine whether the user has fallen asleep by detecting the user's heart rate, blood oxygen, and snoring, and can trigger the first blood pressure detection command after confirming that the user is asleep, and then detect the user's blood pressure in response to the first blood pressure detection command.

[0074] The current time being within the first preset time refers to the current time being within a first preset time point or first time period, and the wearable device 10 can passively trigger a first blood pressure detection command to detect the user's blood pressure when the current time is within the user's preset first time point or first time period. For example, the user can preset the triggering first time point or first time period of the first blood pressure detection command in the wearable device 10 in advance, such as 10 PM or 10 PM to 8 AM. When the wearable device 10 detects that the current time is 10 PM or within 10 PM to 8 AM, the wearable device 10 can passively trigger the first blood pressure detection command and detect the user's blood pressure in response to the first blood pressure detection command. In this embodiment, the first preset time can be a certain time point or time period at night, such as 12 AM or 11 PM to 3 AM, which is equivalent to the nighttime state in the aforementioned embodiment.

[0075] In some embodiments, when the first preset time is a time period, the user can also preset the number of times and frequency of triggering the first blood pressure detection command on the wearable device 10. For example, the user can preset the time period of the first blood pressure detection command to be from 11 PM to 2 AM on the wearable device 10, and trigger the first blood pressure detection command once every hour during this time period, so as to detect the user's blood pressure multiple times during this time period. In addition, the first preset time is not limited to nighttime, and the first preset time can also be customized by the user.

[0076] The following explanation uses the first state, where the user is in an unconscious state, as an example. To ensure the safety of blood pressure monitoring in the first state, when the first blood pressure monitoring command is triggered, the wearable device 10 or the blood pressure monitoring device can respond to the first blood pressure monitoring command by opening the first air port 2221 and closing the second air port 2231, the first vent 2211, and the second vent 2241, so that the main air passage 2201 can be connected to the first external air passage 202 and isolated from the second external air passage 203 and the external atmosphere.

[0077] When the main air passage 2201 is connected to the first external air passage 202, the wearable device 10 or the blood pressure monitoring device can control the air pump 221 to inflate the first airbag 112a. When the first detection element 225 detects that the air pressure value of the main air passage 2201 meets a first preset condition, it controls the air pump 221 to stop inflating. The first preset condition can refer to the disappearance of the pulse signal detected by the first detection element 225, or it can be understood as the detected air pressure value reaching a preset air pressure threshold, which means that the first airbag 112a has compressed and blocked the blood vessels in the user's wrist.

[0078] When the first detection element 225 detects that the air pressure value of the main air passage 2201 meets the first preset condition and remains so for a period of time, the wearable device 10 or the blood pressure detection device can open the first vent 2211 and the second vent 2241, allowing the first airbag 112a to deflate through the first vent 2211 and the second vent 2241. Simultaneously, the wearable device 10 or the blood pressure detection device can calculate the blood pressure value based on some or all of the air pressure values ​​measured by the first detection element 225 during the inflation and / or deflation of the first airbag 112a. The second vent 2231 can be opened during the deflation of the first airbag 112a or after the deflation of the first airbag 112a is complete. Furthermore, the calculation method for calculating the blood pressure value based on the detected air pressure value can refer to existing technologies, and will not be elaborated upon in this embodiment.

[0079] With the above settings, when the user is in the first state, the wearable device 10 or the blood pressure detection device can use only the first airbag 112a with redundant venting paths to perform blood pressure detection, so as to ensure the safety of the user measuring blood pressure in the first state.

[0080] Furthermore, in addition to the steps mentioned above, such as Figure 12 As shown, blood pressure measurement methods may also include the following steps:

[0081] S200, confirming that the user is in the second state.

[0082] S210, in the second state, responds to the second blood pressure detection command to open the second air port and close the first air port, the first vent, and the second vent.

[0083] S220, control the air pump to inflate the second airbag, and close the second air port when the first detection element detects that the air pressure value of the main air circuit meets the second preset condition.

[0084] S230, open the first air port to allow the air pump to inflate the first airbag, and when the first detection element detects that the air pressure value of the main air circuit meets the third preset condition, control the air pump to stop inflating.

[0085] S240, open the second air port, the first air vent, and the second air vent to deflate the first airbag and the second airbag.

[0086] S260, calculate the blood pressure value based on part or all of the air pressure values ​​measured by the first detection element during the inflation and / or deflation of the first and / or second airbags.

[0087] Specifically, the second blood pressure detection command can be automatically or passively triggered in the second state, which may include: the user being awake, or the current time being a second preset time. The user being awake refers to a conscious or strongly conscious state such as exercise, work, or daily leisure. The wearable device 10 can autonomously detect whether the user is awake and automatically trigger the second blood pressure detection command when it detects that the user is awake, in order to detect the user's blood pressure. For example, when the user is exercising, the wearable device 10 can determine whether the user is exercising by detecting the user's heart rate, blood oxygen, and body temperature, and can trigger the second blood pressure detection command after confirming that the user is exercising, and then detect the user's blood pressure in response to the second blood pressure detection command.

[0088] The current time being within the second preset time refers to the current time being within a second preset time point or second time period. The wearable device 10 can passively trigger a second blood pressure detection command when the current time is within the user-preset second time point or second time period to perform blood pressure monitoring on the user. For example, the user can preset the triggering second time point or second time period for the second blood pressure monitoring command in the wearable device 10, such as 9:00 AM or 9:00 AM to 2:00 PM. When the wearable device 10 detects that the current time is 9:00 AM or between 9:00 AM and 2:00 PM, the wearable device 10 can passively trigger the second blood pressure monitoring command and perform blood pressure monitoring on the user in response to the second blood pressure monitoring command. In this embodiment, the second preset time may be different from the first preset time, and the second preset time may be a certain time point or time period during the day, such as 4:00 PM or 9:00 AM to 5:00 PM, equivalent to the daytime state in the aforementioned embodiments.

[0089] In some embodiments, when the second preset time is a time period, the user can also preset the number of times and frequency of triggering the second blood pressure monitoring command on the wearable device 10. For example, the user can preset the time period for the second blood pressure monitoring command to be from 9:00 AM to 11:00 AM on the wearable device 10, and trigger the second blood pressure monitoring command once every hour during this time period to monitor the user's blood pressure multiple times during this time period. In addition, the second preset time is not limited to daytime hours, and the second preset time can also be customized by the user.

[0090] The following explanation uses the second state, where the user is awake, as an example. When the second blood pressure detection command is triggered, the wearable device 10 can respond to the command by opening the second air port 2231 and closing the first air port 2221, the first vent 2211, and the second vent 2241, so that the main air passage 2201 can be connected to the second external air passage 203 and isolated from the first external air passage 202 and the external atmosphere.

[0091] When the main air passage 2201 is connected to the second external air passage 203, the wearable device 10 or the blood pressure monitoring device can control the air pump 221 to inflate the second airbag 112b. When the first detection element 225 detects that the air pressure value in the main air passage 2201 meets the second preset condition, the second air port 2231 is closed to isolate the main air passage 2201 and the second external air passage 203. The second preset condition can refer to the first detection element 225 detecting a pulse signal (or the detected air pressure value reaching a preset air pressure threshold), which means that the second airbag 112b is sufficiently close to the user's wrist.

[0092] When the second air inlet 2231 is closed, the wearable device 10 or the blood pressure monitoring device can open the first air inlet 2221 to connect the main air passage 2201 with the first external air passage 202, allowing the air pump 221 to inflate the first airbag 112a. When the first detection element 225 detects that the air pressure value of the main air passage 2201 meets a third preset condition, it controls the air pump 221 to stop inflating. The third preset condition can refer to the disappearance of the pulse signal detected by the first detection element 225, or it can be understood as the detected air pressure value reaching a preset air pressure threshold, which means that the first airbag 112a has compressed and blocked the blood vessels in the user's wrist.

[0093] When the first detection element 225 detects that the air pressure value of the main air passage 2201 meets the third preset condition and remains so for a period of time, the wearable device 10 or the blood pressure detection device can open the second air port 2231, the first vent port 2211, and the second vent port 2241, so that the first airbag 112a and the second airbag 112b can be deflated through the first vent port 2211 and the second vent port 2241. At the same time, the wearable device 10 or the blood pressure detection device can calculate the blood pressure value based on part or all of the air pressure values ​​measured by the first detection element 225 during the inflation and / or deflation of the first airbag 112a and / or the second airbag 112b.

[0094] With the above settings, when the user is in the second state, the wearable device 10 can use the first airbag 112a and the second airbag 112b to perform blood pressure detection, thereby improving the blood pressure detection accuracy of the wearable device 10.

[0095] The air pump assembly 220 provided in this application is provided with an air pump 221 having a first vent 2211 that connects the main air passage 2201 and the external atmosphere, and the first vent 2211 can be opened or closed; and a vent valve 224 having a second vent 2241 that connects the first external air passage 202 and the external atmosphere, and the second vent 2241 can be opened or closed. This allows the air pump 221 and the vent valve 224 to serve as backup valves for each other for venting, thereby improving the safety of the air pump assembly 220 and meeting the safety standards for nighttime blood pressure measurement.

[0096] The above description is only a part of the embodiments of this application and does not limit the scope of protection of this application. Any equivalent device or equivalent process transformation made based on the content of this application specification and drawings, or direct or indirect application in other related technical fields, are similarly included in the patent protection scope of this application.

Claims

1. An air pump assembly, characterized by, The air pump assembly includes: an air pump, a first main control valve, a second main control valve, and a vent valve; The air pump is connected to the first main control valve and the second main control valve through the main air circuit, and has a first vent port that connects the main air circuit and the external atmosphere. The first vent port can be opened or closed. The first main control valve has a first air port that connects the main air circuit and the first external air circuit. The first air port can be opened or closed. The second main control valve has a second air port that connects the main air path and the second external air path. The second air port can be opened or closed. The first external air path is independent of the second external air path. The vent valve has a second vent port that connects the first external air path and the external atmosphere. The second vent port can be opened or closed.

2. The air pump assembly of claim 1, wherein, The air pump assembly further includes a first detection element connected to the main air path, and the first detection element is used to detect the air pressure of the main air path.

3. The gas pump assembly of claim 2, wherein, The air pump assembly further includes a second detection element, which is used to detect the air pressure in the main air path and / or the air pressure of the external atmosphere.

4. The gas pump assembly of claim 2, wherein, The first detection element is also connected to the external atmosphere and is used to detect the air pressure of the external atmosphere.

5. The air pump assembly of any one of claims 1, wherein, The first main control valve is configured to respond to a first blood pressure detection command in a first state to open the first air port; the second main control valve is configured to respond to the first blood pressure detection command in the first state to close the second air port.

6. The air pump assembly of any one of claims 1, wherein, The first main control valve is configured to respond to a second blood pressure detection command in a second state to open or close the first air port; the second main control valve is configured to respond to the second blood pressure detection command in a second state to open or close the second air port.

7. A meter mechanism characterized by comprising: The meter mechanism includes: a housing assembly and an air pump assembly as described in any one of claims 1-6; The air pump assembly is disposed on the housing assembly, and the air pump assembly has the main air passage, while the housing assembly has the first external air passage and the second external air passage.

8. A wearable device, comprising: The wearable device includes: a watch strap mechanism and a watch head mechanism as described in claim 7; The watch strap mechanism is connected to the housing assembly and has a first air bladder communicating with the first external air passage and a second air bladder communicating with the second external air passage. The first air bladder and the second air bladder can expand or contract under the control of the air pump assembly.

9. The wearable device of claim 8, wherein, The first airbag and the second airbag are not connected internally.

10. The wearable device of claim 9, wherein, The first airbag is a double-layered airbag with internal communication; the first airbag is used to exert pressure, and the second airbag is used to exert pressure and / or fill.

11. A blood pressure detection apparatus characterized by comprising: The blood pressure detection device includes: a first airbag, a second airbag, and an air pump assembly as described in any one of claims 1-6; The first external air passage is connected to the first airbag, the second external air passage is connected to the second airbag, and the interiors of the first airbag and the second airbag are not connected.

12. The blood pressure detection apparatus according to claim 11, wherein The first airbag is used to detect blood pressure in a first state and a second state, and the second airbag is used to detect blood pressure in the second state.

13. A blood pressure detection method applied to the wearable device of claim 8 or the blood pressure detection apparatus of claim 11, characterized in that, When the air pump assembly includes a first sensing element capable of detecting pressure within the main airway, the blood pressure detection method includes: Determine if the user is in the first state; In the first state, it responds to the first blood pressure detection command to open the first air port and close the second air port, the first vent, and the second vent. The air pump is controlled to inflate the first airbag, and when the first detection device detects that the air pressure value of the main air passage meets the first preset condition, the air pump is controlled to stop inflating. Open the first vent and the second vent to deflate the first airbag; The blood pressure value is calculated based on part or all of the air pressure values ​​measured by the first detection device during the inflation and / or deflation of the first airbag.

14. The blood pressure detection method according to claim 13, wherein, The blood pressure detection method also includes: Determine if the user is in the second state; In the second state, in response to the second blood pressure detection command, the second air inlet is opened and the first air inlet, the first vent, and the second vent are closed; The air pump is controlled to inflate the second airbag, and the second air inlet is closed when the first detection device detects that the air pressure value of the main air passage meets the second preset condition. The first air inlet is opened to allow the air pump to inflate the first airbag, and when the first detection device detects that the air pressure value of the main air path meets the third preset condition, the air pump is controlled to stop inflating. Open the second air port, the first air vent, and the second air vent to deflate the first airbag and the second airbag; The blood pressure value is calculated based on part or all of the air pressure values ​​measured by the first detection device during the inflation and / or deflation of the first airbag and / or the second airbag.

15. The blood pressure detection method according to claim 14, wherein, The first state includes: the user is in an unconscious state, or the current time is at a first preset time; the second state includes: the user is awake, or the current time is at a second preset time. Both the first preset condition and the third preset condition are characterized by the disappearance of the pulse signal detected by the first detection device; the second preset condition is characterized by the detection of a pulse signal by the first detection device.

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