CN219206915U - Self-powered flexible sensing bracelet - Google Patents
Self-powered flexible sensing bracelet Download PDFInfo
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- CN219206915U CN219206915U CN202222719215.1U CN202222719215U CN219206915U CN 219206915 U CN219206915 U CN 219206915U CN 202222719215 U CN202222719215 U CN 202222719215U CN 219206915 U CN219206915 U CN 219206915U
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Abstract
The utility model provides a self-powered flexible sensing bracelet which comprises a bracelet body, a supercapacitor array, a flexible pressure sensor, a temperature and humidity sensor and a main control chip, wherein the supercapacitor array is arranged on the bracelet body; the bracelet body is an annular flexible solar cell; the super capacitor array, the flexible pressure sensor and the main control chip are all attached to the inner side of the bracelet main body, and the super capacitor array consists of a plurality of super capacitors; the main control chip is internally provided with a Bluetooth module and is connected with the bracelet main body, the supercapacitor array, the pressure sensor and the temperature and humidity sensor; the temperature and humidity sensor is attached to a connecting piece extending out of the bracelet main body and used for detecting temperature and humidity information of the environment. This self-powered flexible sensing bracelet can real-time supervision analysis human pulse condition and real-time measurement ambient temperature, need not to charge simultaneously and be equipped with the power, can outdoor long-time use, very big convenience person of wearing.
Description
Technical Field
The utility model belongs to the field of wearable electronic equipment, and particularly relates to a self-powered flexible sensing bracelet.
Background
Along with the aggravation of the aging society and the increasing trend of the younger cardiovascular and cerebrovascular diseases, the incidence rate of chronic diseases is increasing year by year, and the disease prevention and health care consciousness of people is also updated. In recent years, the flexible sensor is widely applied to monitoring physiological signals such as sweat, breath, heart rate, pulse and blood oxygen of a human body, and has very good application prospects in the fields of accurate medical treatment and the like. Meanwhile, a large number of flexible sensor technologies for ambient temperature and humidity are rapidly developed. The wearable flexible sensor can sense, transmit and process physiological signals of a human body, can monitor surrounding environment in real time, and can continuously monitor life health activities of a user, so that development of personalized medical care is promoted. Thus, long endurance, comfort, microminiaturization, and biocompatibility are important parameter properties of wearable sensors. In particular, long endurance plays an important role in the continuous monitoring capability and the real-time health status analysis capability of the wearable flexible sensor.
The existence of serious environmental pollution and energy consumption crisis leads to rapid development of green and clean equipment. In recent years, flexible solar cells have attracted wide attention due to their characteristics of environmental protection, low price, flexible preparation, and the like. In addition, the flexible solar cell has wide application prospects in the aspects of intelligent wearable equipment, portable electronic devices, military applications and the like. Meanwhile, the super capacitor is considered as one of important energy storage devices of the next generation of wearable electronic devices due to excellent characteristics of high power density, long-term cycling stability, rapid charge/discharge, easy integration with a flexible sensor and the like.
Disclosure of Invention
The utility model aims to provide an integrated wearable self-powered flexible sensing bracelet capable of realizing outdoor long-time monitoring of human pulse conditions and environmental temperature and humidity.
The utility model is realized by the following technical scheme:
a self-powered flexible sensing bracelet comprises a bracelet body, a supercapacitor array, a flexible pressure sensor, a temperature and humidity sensor and a main control chip; the bracelet body is an annular flexible solar cell; the super capacitor array, the flexible pressure sensor and the main control chip are all attached to the inner side of the bracelet main body, and the super capacitor array consists of a plurality of super capacitors; the main control chip is internally provided with a Bluetooth module and is connected with the bracelet main body, the supercapacitor array, the flexible pressure sensor and the temperature and humidity sensor; the temperature and humidity sensor is attached to a connecting piece extending out of the bracelet main body and used for detecting temperature and humidity information of the environment.
According to the self-powered flexible sensing bracelet, the commercial flexible solar cell is bent to be manufactured into the bracelet shape, and the planar supercapacitor array, the flexible pressure sensor, the flexible temperature and humidity sensor and the main control chip are integrated on the bracelet, so that the self-powered flexible sensing bracelet can monitor and analyze the pulse condition of a human body in real time and measure the environmental temperature in real time, and meanwhile, the self-powered flexible sensing bracelet does not need to be charged and is provided with a power supply, can be used outdoors for a long time, and is greatly convenient for a wearer.
Drawings
Fig. 1 is a schematic structural view of a self-powered flexible sensing bracelet according to the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, the utility model provides a self-powered flexible sensing bracelet, which comprises a bracelet main body 1, a supercapacitor array 2, a flexible pressure sensor 3, a temperature and humidity sensor 4 and a main control chip 5.
The bracelet body 1 is a circular ring-shaped flexible solar cell and is used for providing energy for the whole self-powered flexible sensing bracelet when illumination exists outdoors.
The supercapacitor array 2 is attached to the inner side of the bracelet main body 1 and used for energy storage; the supercapacitor array 2 is composed of a plurality of supercapacitors. When the illumination is absent, the flexible solar cell 1 cannot work normally, and the supercapacitor array 2 can supply energy for the whole flexible sensing system. The super capacitor is preferably a graphene-based planar flexible super capacitor, and has excellent flexibility, safety and performance stability.
The flexible pressure sensor 3 is attached to the inner side of the bracelet body 1 and is used for converting pressure change of human pulse beat into voltage change so as to measure human pulse. The flexible pressure sensor 3 is preferably a commercial DF9-40 flexible film pressure sensor, wherein the DF9-40 flexible film pressure sensor is a resistance type sensor, and the pressure applied on the surface of the sensor by the output resistance is increased and reduced, so that the pressure change of pulse beating of a human body can be converted into voltage change; which has both excellent flexibility and performance stability, can be well attached to human skin, and effectively reduces noise during voltage signal measurement.
The temperature and humidity sensor 4 is attached to a connecting piece extending out of the bracelet main body 1 and used for detecting temperature and humidity information of the environment. The temperature and humidity sensor 4 preferably adopts a commercial SH2090 flexible temperature and humidity sensor, which can convert the change of the ambient temperature and humidity into a corresponding change voltage signal. According to the utility model, the temperature and humidity sensor 4 is arranged outside the solar cell, so that more accurate environmental temperature and humidity parameters can be obtained, the interference of a human body on temperature and humidity measurement is avoided, and meanwhile, the solar cell has excellent flexibility, performance stability and wearing comfort.
The main control chip 5 is attached to the inner side of the bracelet main body 1, and is connected with the bracelet main body 1, the supercapacitor array 2, the flexible pressure sensor 3 and the temperature and humidity sensor 4, and a Bluetooth module is arranged in the main control chip and is used for data acquisition, data processing and data transmission.
The main control chip 5 preferably adopts an STM32WB chip, and the built-in Bluetooth module can send the measured data to the mobile phone terminal through Bluetooth, so that the mobile phone terminal can perform visual analysis and presentation on the physical condition of a human body and the ambient temperature and humidity in real time.
When the self-powered flexible sensing bracelet is worn, the flexible pressure sensor 3 is required to be placed at the wrist pulse position, and then the bracelet is worn, so that the pulse condition of a user can be monitored outdoors for a long time. Meanwhile, the temperature and humidity sensor 4 can rapidly and accurately detect the real-time ambient temperature and humidity, and effectively avoid the interference of human body temperature and sweat and strain effect brought by the inner side pressure to temperature and humidity measurement.
It will be obvious to those skilled in the art that the present utility model may be varied in a number of ways without departing from the scope of the utility model. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claims.
Claims (4)
1. The self-powered flexible sensing bracelet is characterized by comprising a bracelet main body (1), a supercapacitor array (2), a flexible pressure sensor (3), a temperature and humidity sensor (4) and a main control chip (5);
the bracelet body (1) is an annular flexible solar cell; the super capacitor array (2), the flexible pressure sensor (3) and the main control chip (5) are all attached to the inner side of the bracelet main body (1), and the super capacitor array (2) consists of a plurality of super capacitors; the main control chip (5) is internally provided with a Bluetooth module, and the main control chip (5) is connected with the bracelet main body (1), the super capacitor array (2), the flexible pressure sensor (3) and the temperature and humidity sensor (4); the temperature and humidity sensor (4) is attached to a connecting piece extending out of the bracelet main body (1) and used for detecting temperature and humidity information of the environment.
2. The self-powered flexible sensing bracelet of claim 1, wherein the supercapacitor employs a graphene-based planar flexible supercapacitor.
3. Self-powered flexible sensing bracelet according to claim 1, characterized in that the flexible pressure sensor (3) is a flexible thin film pressure sensor.
4. Self-powered flexible sensing bracelet according to claim 1, characterized in that the temperature and humidity sensor (4) is a flexible temperature and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222719215.1U CN219206915U (en) | 2022-10-14 | 2022-10-14 | Self-powered flexible sensing bracelet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222719215.1U CN219206915U (en) | 2022-10-14 | 2022-10-14 | Self-powered flexible sensing bracelet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219206915U true CN219206915U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222719215.1U Active CN219206915U (en) | 2022-10-14 | 2022-10-14 | Self-powered flexible sensing bracelet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219206915U (en) |
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2022
- 2022-10-14 CN CN202222719215.1U patent/CN219206915U/en active Active
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