CN211860099U

CN211860099U - Data transfer equipment and system

Info

Publication number: CN211860099U
Application number: CN202020961005.1U
Authority: CN
Inventors: 鲁志来; 朱云斌; 张佳伟; 孙志龙
Original assignee: Institute of Flexible Electronics Technology of THU Zhejiang
Current assignee: Institute of Flexible Electronics Technology of THU Zhejiang
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-11-03
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a data transfer equipment and system, this data transfer equipment includes: the wireless device comprises a master control device, a wireless module and at least one BLE controller; the BLE controller is used for accessing BLE equipment and receiving Bluetooth data of a parameter type corresponding to the BLE equipment; the main control device is connected with the BLE controller, and is used for receiving upgrade firmware set based on the SDK, upgrading the firmware of the data transfer equipment, and controlling the BLE controller to access the BLE equipment; the upgrading firmware is matched with the user-defined Bluetooth service of the BLE equipment to be connected; the main control device is also used for receiving the Bluetooth data sent by the BLE controller and sending the Bluetooth data to the server through the wireless module, so that the problem of low data reliability under the condition of simultaneously connecting a plurality of Bluetooth devices is solved.

Description

Data transfer equipment and system

Technical Field

The present application relates to the field of wireless communication technologies, and in particular, to a data transfer device and system.

Background

Currently, Bluetooth Low Energy (BLE for short) technology is widely applied to wearable medical electronic devices. Due to the characteristic of low power consumption, the wearable medical electronic equipment can be small and light, the wearing experience is greatly improved, and meanwhile, the data throughput and the equipment connection quantity are limited; for example, in a case where multiple parameters (such as blood oxygen pulse wave signals, electrocardiographic signals, blood pressure signals, or electromyographic signals) of data stream types are to be monitored simultaneously, the terminal configured to the wearable medical electronic device is connected to multiple BLE devices simultaneously, and the amount of data to be processed is multiplied, so that it is difficult to stably monitor multiple parameters in real time.

In the related technology, aiming at the condition that multiple Bluetooth devices with multiple parameters are connected simultaneously, a BLE host can be connected with 8 BLE slave devices theoretically, but the manufacturers of intelligent terminals are numerous, and not all mobile phones can be connected with multiple BLE devices simultaneously; alternatively, a plurality of bluetooth devices, such as the general bluetooth router E1000, are simultaneously connected through the bluetooth gateway product instead of the terminal. However, for data stream type bluetooth devices, the number of connections that can be stably and reliably connected by a bluetooth gateway product is still limited, and the multi-parameter monitoring capability for a single person is insufficient.

Aiming at the problem of low data reliability under the condition of simultaneously connecting a plurality of Bluetooth devices in the related art, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

To in the correlation technique, the problem that equipment data reliability is low under the condition of connecting a plurality of bluetooth equipment simultaneously, the utility model provides a data transfer equipment and system to solve above-mentioned problem at least.

According to an aspect of the present invention, there is provided a data relay apparatus, the data relay apparatus including: the wireless device comprises a master control device, a wireless module and at least one BLE controller;

the BLE controller is used for accessing BLE equipment and receiving Bluetooth data of a parameter type corresponding to the BLE equipment;

the main control device is connected with the BLE controller, and is used for receiving upgrade firmware set based on an SDK (software development kit), upgrading the firmware of the data transfer equipment, and controlling the BLE controller to access the BLE equipment; the upgrading firmware is matched with the user-defined Bluetooth service of the BLE equipment to be connected;

the main control device is further configured to receive the bluetooth data sent by the BLE controller, and send the bluetooth data to a server through the wireless module.

In one embodiment, the data relay device is provided with a USB interface, the USB interface is connected to the main control device, and the main control device is further configured to download the upgrade firmware offline through the USB interface and upgrade the firmware of the data relay device;

or, The main control device is further configured to perform The firmware upgrade through an Over The Air (OTA for short) technology.

In one embodiment, the data relay device further includes a memory;

the memory is connected with the main control device and used for receiving the Bluetooth data sent by the main control device and performing offline storage.

In one embodiment, the data relay device can be connected with a terminal as a bluetooth slave;

the main control device is used for receiving the Bluetooth parameters set by the user and acquired by the terminal; wherein the Bluetooth parameters comprise a device name and device parameters;

the master control device is further used for binding and automatically connecting the BLE equipment matched with the equipment name according to the equipment parameters.

In one embodiment, the main control device is further configured to receive a server parameter set by a user at the terminal, and automatically connect to the server according to the server parameter; wherein the server matches the server parameter.

In one embodiment, the data relay device further comprises a rechargeable battery and a power management device;

the power supply management device is respectively connected with the main control device and the rechargeable battery; the power management device is used for acquiring the power utilization condition of the rechargeable battery and sending the power utilization condition to the main control device.

In one embodiment, the data transfer device further includes a reminding module; the reminding module is connected with the main control device;

the main control device is also used for controlling the reminding module to send a charging prompt signal under the condition that the residual electric quantity value of the rechargeable battery is smaller than a preset electric quantity value.

In one embodiment, the data relay device further includes an NFC module, and the NFC module is connected to the master control device;

the main control device is further configured to bind and automatically connect the BLE device with the NFC function through the NFC module.

In one embodiment, the BLE device comprises at least: blood oxygen patch, body temperature patch, electrocardio patch or myoelectricity patch.

In one embodiment, the wireless module is configured as a WIFI module, a 4G module, or a 5G module.

According to another aspect of the present invention, there is provided a data relay system, the system including a server and any one of the data relay apparatuses described above.

Through the utility model discloses, adopt a data transfer equipment and system, this data transfer equipment includes: the wireless device comprises a master control device, a wireless module and at least one BLE controller; the BLE controller is used for accessing BLE equipment and receiving Bluetooth data of a parameter type corresponding to the BLE equipment; the main control device is connected with the BLE controller, and is used for receiving upgrade firmware set based on the SDK, upgrading the firmware of the data transfer equipment, and controlling the BLE controller to access the BLE equipment; the upgrading firmware is matched with the user-defined Bluetooth service of the BLE equipment to be connected; the main control device is also used for receiving the Bluetooth data sent by the BLE controller and sending the Bluetooth data to the server through the wireless module, so that real-time stable monitoring on various parameters is realized, and the problem of low reliability in data acquisition of equipment under the condition of simultaneously connecting a plurality of Bluetooth equipment is solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a first block diagram of a data relay device according to an embodiment of the present application;

fig. 2 is a block diagram of a second structure of a data relay device according to an embodiment of the present application;

fig. 3 is a block diagram of a data relay device according to an embodiment of the present application;

fig. 4 is a block diagram of a data relay apparatus according to an embodiment of the present application;

FIG. 5 is a diagram illustrating a hardware architecture of a device according to an embodiment of the present application;

FIG. 6 is a block diagram of an apparatus implementation according to an embodiment of the present application;

FIG. 7 is a diagram illustrating a firmware development architecture according to an embodiment of the present application;

fig. 8 is a schematic diagram of an application scenario of a data relay device according to an embodiment of the present application;

fig. 9 is a first block diagram of a data relay system according to an embodiment of the present application;

fig. 10 is a block diagram of a data relay system according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The various techniques described herein may be used in various Wireless communication systems, such as 2G, 3G, 4G, 5G communication systems and next generation communication systems, such as Global System for mobile communications (GSM), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wideband Code Division Multiple Access (OFDMA), Frequency Division Multiple Access (WCDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), FDMA-System, General Packet Radio Service (GPRS), LTE-5 (LTE-G), abbreviated NR) systems and other such communication systems.

The data transfer system provided in this embodiment may be integrated in a base station, a Radio remote unit (Radio remote unit, abbreviated as RRU), or any other network element device that needs to perform Radio frequency transceiving. A base station in this context may be a device in an access network that communicates over the air-interface, through one or more sectors, with wireless terminals. The base station may be configured to interconvert received air frames with Internet Protocol (IP) packets as a router between the wireless terminal and the rest of the access network, which may include an IP network. The base station may also coordinate management of attributes for the air interface. For example, the Base Station may be a Base Transceiver Station (BTS) in GSM or CDMA, a Base Station (Node B) in WCDMA, an evolved Node B (eNB or e-Node B) in LTE, or a generation Node B (gNB) in 5G NR, and the present application is not limited thereto.

In this embodiment, a data relay device is provided, and fig. 1 is a block diagram of a structure of a data relay device according to an embodiment of the present application, and as shown in fig. 1, the data relay device includes: master device 12, wireless module 14, and at least one BLE controller 16; the main control device 12 may be a Central Processing Unit (CPU), and the main control device 12 serves as a control core and controls the BLE controller 16 to complete actions related to bluetooth data interaction through a data bus. The BLE Controller 16 directly uses a BLE Controller 16 scheme provided by a bluetooth chip factory, the main control device 12 and the BLE Controller 16 may interact with each other through a Host Controller Interface (HCI) protocol, and a physical carrier of the HCI may be a Universal asynchronous receiver/Transmitter (UART), a Serial Peripheral Interface (SPI), or a USB Interface.

The main control device 12 receives the upgrade firmware set based on the SDK; the upgrade firmware is matched with the user-defined Bluetooth service of the BLE equipment to be connected; the data transfer device provides a device-side Software Development Kit (SDK) for secondary development of a user. The SDK software layer of the device end mainly comprises an Application program (APP for short), a middleware and a driver layer, wherein the driver layer is supported by a CPU manufacturer, the source code of the user is provided by the middleware software in a library form and is not opened outwards, and the source code of the APP Application layer is opened to the user.

The data transfer equipment defaults to support and identify equipment which is connected with and provides standard Bluetooth service, and stores the Bluetooth data locally and transfers the Bluetooth data to a remote server through a wireless network; the standard Bluetooth Service here refers to services defined by the International Bluetooth organization, such as Health Thermometer Service, Battery Service, BloodPresence Service, Device Information Service, Heart Rate Service, etc. For the service devices not in these service lists, the user modifies the APP application layer source code at the device end according to the customized bluetooth service, for example, modifies a broadcast Universal Unique Identifier (UUID) service or customized broadcast data, and receives the upgraded firmware by the main control apparatus 12.

The main control device 12 upgrades the firmware of the data relay device when receiving the upgraded firmware, and controls the BLE controller 16 to access the BLE device, so as to achieve the purpose of accessing the bluetooth device with the customized service.

The main control device 12 receives the bluetooth data of the parameter type corresponding to the BLE device, which is collected by the BLE controller 16, and forwards the received bluetooth data reported by the BLE device to a remote server through the wireless module 14, so as to implement remote real-time monitoring on the bluetooth data; the wireless module 14 is a module capable of providing internet service, and may be configured as a WIFI module, a 4G module, or a 5G module; the BLE equipment can be a blood oxygen patch, a body temperature patch, an electrocardio patch, an electromyography patch or other BLE equipment; different BLE devices may monitor parameters of different data stream types, including intermittent data such as body temperature signals, and data streams such as blood oxygen pulse wave signals, electrocardiosignals, blood pressure signals, or electromyographic signals.

In the related technology, data loss can be caused by accessing multiple devices through a smart phone or a bluetooth gateway, and according to the embodiment, through the data transfer device and the provision of the open-source device terminal SDK, different users can conveniently develop their own firmware for connecting to the specific BLE device of the non-standard bluetooth service, so that the universality of the data transfer device is realized, and the increase of development difficulty caused by the direct BLE application development of the user on the BLE controller 16 is avoided; after being connected into the multi-parameter BLE equipment, the Bluetooth data are sent to the remote server through the wireless module 14, so that the connection quality of the Bluetooth equipment is guaranteed, remote data monitoring is realized, and the problem of low data reliability under the condition of simultaneously connecting a plurality of Bluetooth equipment is solved.

In an embodiment, a data relay device is provided, and fig. 2 is a block diagram of a structure of a data relay device according to an embodiment of the present application, as shown in fig. 2, the data relay device is further provided with a USB interface 32; the USB interface 32 is connected to the main control device 12. The main control device 12 downloads the firmware upgrading program offline through the USB interface 32, and upgrades the firmware of the data transfer device; alternatively, the main control device 12 performs the firmware upgrade by using OTA technology through the wireless module 14; by the embodiment, the data transfer equipment can be used for upgrading the firmware in an off-line or over-the-air downloading mode, and convenience of the data transfer processing equipment is improved.

In an embodiment, a data relay device is provided, and fig. 3 is a block diagram of a structure of a data relay device according to an embodiment of the present application, as shown in fig. 3, the data relay device further includes a memory 42, and the memory 42 is connected to the main control apparatus 12; the Memory 42 may be a Secure Digital Card (SD) Memory.

The main control device 12 sends the bluetooth data to the memory 42 for offline storage, and when the remote monitoring of the bluetooth data is realized, the memory 42 locally stores the bluetooth data, so that the real-time performance and integrity of the data can be ensured, thereby not only meeting the requirement of implementing the monitoring, but also meeting the requirement of offline processing of the locally stored data, and further improving the data reliability of the data transfer processing equipment.

In an embodiment, a data relay device is provided, fig. 4 is a block diagram of a fourth structure of the data relay device according to the embodiment of the present application, and as shown in fig. 4, the data relay device further includes a rechargeable battery 62, a power management device 64, and a reminder module 66, the main control device 12 is connected to the power management device 64 and the reminder module 66, respectively, and the power management device 64 is connected to the rechargeable battery 62. The power management device 64 acquires the power consumption of the rechargeable battery 62 and sends the power consumption to the main control device 12; the rechargeable battery 62 is used to supply power to the data relay device.

When the remaining electric quantity value of the rechargeable battery 62 is smaller than the preset electric quantity value, the main control device 12 controls the reminding module 66 to send a charging reminding signal to remind the user to charge the data transfer device in time, so that the influence on the use of the user due to the electric quantity exhaustion of the device is avoided; the reminder module 66 may be a display, speaker, warning light, or other audible and visual module.

Through the above embodiment, the data relay device is charged by the rechargeable battery 62 and is applied to BLE devices; due to the characteristic of low power consumption, the rechargeable battery 62 can be a small-sized battery, so that the data transfer device can be set to be small and light under the condition of ensuring data throughput and device connection quantity, and the carrying convenience of a user is improved.

In one embodiment, a data relay device is provided, where the data relay device can be connected to a terminal as a bluetooth slave, and the master control apparatus 12 receives a bluetooth parameter set by a user, which is acquired by the terminal; wherein the Bluetooth parameters comprise BLE device names and BLE device parameters; the terminal may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices. In addition, the terminal can also acquire server parameters set by a user, wherein the server parameters comprise a server IP address; the main control device 12 can automatically connect and store the server corresponding to the address according to the IP address, so that the connection between the device in the data and the designated server is quickly established, thereby improving the convenience of the data transfer device.

The master control device 12 binds and automatically connects the BLE device matching the device name according to the BLE device parameter. Through the embodiment, the data transfer equipment is used as the Bluetooth slave machine to be connected with the terminal, so that the data transfer equipment can automatically search and connect the bound BLE equipment after the BLE equipment set by a user is bound, and the convenience of data transfer processing equipment is further improved.

In one embodiment, a data relay device is provided, which further includes an NFC module, where the NFC module is connected to the main control device 12; the master control device 12 binds and automatically connects to BLE devices with NFC function through the NFC module; after binding, the data relay device automatically searches and connects the bound BLE device, thereby realizing near field communication.

Fig. 5 is a schematic diagram of a hardware architecture of a device according to an embodiment of the present application, and as shown in fig. 5, the hardware architecture of the data relay device includes a BLE controller 16, a master control device 12, a memory 42, a power management device 64, a rechargeable battery 62, a USB interface 32, and a wireless module 14; the BLE controller 16 and the master control device 12 are connected through a data bus, the master control device 12 is connected to the memory 42, the power management device 64, the USB interface 32, and the wireless module 14, and the power management device 64 is connected to the rechargeable battery 62 and the USB interface 32. Fig. 6 is a structural diagram of an apparatus implementation according to an embodiment of the present application, and as shown in fig. 6, an STM32L4S7AI is used as a main control device 12, and is provided with 6 UART interfaces, which can be used to control 5 NRF52840 BLE SOCs and 1 WH-G405tf 4G modules, and provide a Digital Secure Memory Card (SDMMC) interface for accessing an SD Card; a USB interface 32 is further provided, where the USB interface 32 is configured as a USB OTG full-speed interface, and the USB OTG full-speed interface can provide the SD card with computer access, or the USB OTG full-speed interface can be used to charge the charging battery 62 of the data relay device.

Fig. 7 is a schematic diagram of a firmware development architecture according to an embodiment of the present application, and as shown in fig. 7, a software layer mainly includes an APP application layer, a middleware, and a driver layer, where the APP application layer includes BLE broadcasting, multiple BLE device connection services, BLE peripheral device data collection local storage services, and device firmware upgrade services; the APP application layer source code user is opened, and the user accesses the BLE equipment of the user through modification of the APP application layer source code, so that transfer service of Bluetooth data of the specific BLE equipment is realized; the middleware comprises interface packages such as BLE HCI interface package, memory interface package, wireless network interface package, USB interface package and the like; the driver layer includes a UART driver, an SPI driver, a USB driver, a Secure Digital Input and Output (SDIO) driver, and the like, and the main control device 12 provides a driving support.

Fig. 8 is a schematic view of an application scenario of a data relay device according to an embodiment of the present application, and as shown in fig. 8, a BLE device is a personal health medical electronic product, and the BLE device may be attached to a skin of a human body to acquire various physiological parameter signals; in the exercise training scene, the user uses 11 patches in total, namely a BLE blood oxygen patch on the forehead, a BLE body temperature patch under the armpit, an electrocardio patch on the chest and 8 myoelectric patches on the four limbs, wherein the data flow information is acquired by the other patches except the body temperature patch, and the sampling rate of the myoelectric signals is at least 1000 Hz; the data collected by the 11 patches are sent to data transfer equipment worn by a user through a data bus, and the data transfer equipment fuses and processes the Bluetooth data, for example, the data transfer equipment respectively identifies Bluetooth data such as myoelectric signals, electrocardio signals and body temperature signals, is used for marking the Bluetooth data with different parameter types, packs the identified Bluetooth data, sends the processed and packed Bluetooth data to a remote server, and unpacks the Bluetooth data for the user to monitor physiological parameters in real time; and simultaneously, the Bluetooth data is sent to a memory in the data transfer equipment so as to facilitate the user to inquire or perform data off-line processing.

In the related technology, under the request that the mobile phone is connected with 8 BLE devices at the same time, only the data of the body temperature patch can ensure the integrity, and a large amount of other data can be lost; in addition, 3 to 4 BLE electrocardio patches (the sampling rate is 512Hz) can be stably connected at the same time through the Bluetooth router E1000, and only 2 to 3 patches can be stably processed if the Bluetooth electrocardio patches are replaced by myoelectricity patches; even if can realize the collection work to these 11 paster data through a plurality of E1000 equipment, because inconvenient carrying, in case the user keeps away from E1000's bluetooth coverage (general effective distance is no more than 10 meters, and effective distance is shorter after having the human body to shelter from, generally can not exceed 3 meters), the connection between BLE paster and the E1000 equipment will be because the bluetooth signal is too weak and break off, and the physiological data collection will be interrupted this moment. And data transfer equipment that this application embodiment was worn through the user waist adopts a plurality of BLE equipment to guarantee the bluetooth data of the 11 postings of stable processing whole body attachment simultaneously, simultaneously because BLE paster and this data transfer equipment all wear on one's body, can guarantee that bluetooth signal's stability is good, can not influence bluetooth signal because the distance has sheltering from far away.

In an embodiment, a data relay system is provided, and fig. 9 is a block diagram illustrating a structure of a data relay system according to an embodiment of the present application, as shown in fig. 9, the system includes a server 132 and a data relay device 134; wherein, this data relay device 134 includes: master device 12, wireless module 14, and at least one BLE controller 16; the BLE controller 16 is configured to access a BLE device and receive bluetooth data of a parameter type corresponding to the BLE device.

The master control device 12 is connected to the BLE controller 16; the main control device 12 is used for receiving upgrade firmware set based on the SDK; the upgrading firmware is matched with the user-defined Bluetooth service of the BLE equipment to be connected; the main control device 12 is further configured to upgrade the firmware of the data relay device 134 and control the BLE controller 16 to access the BLE device when the upgraded firmware is received; the master control device 12 is further configured to receive the bluetooth data collected by the BLE controller 16, and send the bluetooth data to the server 132 through the wireless module 14.

Through the embodiment, through the data relay device 134 and the provision of the open-source device side SDK, different users can develop their own firmware for connecting to the non-standard bluetooth service specific BLE device, so that the universality of the data relay device is realized, and the increase of development difficulty due to direct BLE application development of the user on the BLE controller 16 is avoided; after being connected to the multi-parameter BLE device, the Bluetooth data is sent to the remote server 132 through the wireless module 14, so that the connection quality of the Bluetooth device is guaranteed, remote data monitoring is realized, and the problem of low data reliability under the condition that a plurality of Bluetooth devices are connected simultaneously is solved.

In one embodiment, the data relay device 134 is provided with a USB interface 32, and the USB interface 32 is connected to the main control apparatus 12; the main control device 12 can download the firmware upgrading program offline through the USB interface 32, and upgrade the firmware of the data transfer apparatus; alternatively, the host 12 can perform the firmware upgrade using OTA technology via the wireless module 14.

In one embodiment, the data relay device 134 further includes a memory 42; wherein, the memory 42 is connected to the main control device 12; the master control device 12 is also configured to send the bluetooth data to the memory 42 for offline storage.

In an embodiment, a data relay system is provided, fig. 10 is a block diagram of a structure of a data relay system according to an embodiment of the present application, and as shown in fig. 10, the system further includes a terminal 142; the data relay device 134 can be connected to the terminal 142 as a bluetooth slave.

The main control device 12 is further configured to receive the bluetooth parameter set by the user, which is acquired by the terminal 142; wherein the bluetooth parameters comprise a BLE device name and device parameters; the main control device 12 is further configured to bind and automatically connect the BLE device matched with the device name according to the bluetooth parameter; the main control device 12 is further configured to set the BLE device connected to the data terminal 142 device according to the device parameter.

In one embodiment, the BLE device comprises at least one of: blood oxygen patch, body temperature patch, electrocardio patch or myoelectricity patch.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A data relay apparatus, characterized in that the data relay apparatus comprises: the wireless device comprises a master control device, a wireless module and at least one BLE controller;

2. The data relay device according to claim 1, wherein the data relay device is provided with a USB interface, the USB interface is connected to the main control device, and the main control device is further configured to download the upgrade firmware offline through the USB interface and upgrade the firmware of the data relay device;

or, the main control device is further configured to perform the firmware upgrade through an OTA technology.

3. The data relay apparatus according to claim 1, wherein the data relay apparatus further comprises a memory;

4. The data relay device according to claim 1, wherein the data relay device is connectable to a terminal as a bluetooth slave;

5. The data transfer device of claim 4, wherein the master control device is further configured to receive a server parameter set by a user at the terminal, and automatically connect to the server according to the server parameter; wherein the server matches the server parameter.

6. The data relay device according to claim 1, wherein the data relay device further includes a rechargeable battery and a power management means;

7. The data relay device according to claim 6, wherein the data relay device further includes a reminder module; the reminding module is connected with the main control device;

8. The data relay device according to claim 1, wherein the data relay device further includes an NFC module, and the NFC module is connected to the main control device;

9. The data relay device according to any one of claims 1 to 8, wherein the BLE device comprises at least: blood oxygen patch, body temperature patch, electrocardio patch or myoelectricity patch.

10. A data relay system characterized in that the system comprises a server and the data relay apparatus according to any one of claims 1 to 9.