CN219557317U

CN219557317U - Multifunctional bracelet with multiplexing electrode

Info

Publication number: CN219557317U
Application number: CN202320393661.XU
Authority: CN
Inventors: 童跃飞; 涂浚波
Original assignee: Hangzhou Caixiong Medical Technology Co ltd
Current assignee: Hangzhou Caixiong Medical Technology Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-08-22
Anticipated expiration: 2033-02-27

Abstract

The utility model provides a multifunctional bracelet with a multiplexing electrode, which comprises a shell, two watchbands, a display window, a PPG window and an electrode unit, wherein the watchbands are used for being fixed with the wrist of a user, keys are arranged at one edge of the outer side of the shell, the watchbands are fixedly arranged on the shell and are positioned on two sides of the keys, the display window is arranged on the upper surface of the shell, and the PPG window is fixedly arranged on the lower surface of the shell. The data requirements of multiple function collection, such as heart rate, sleep, blood pressure, body temperature and emotion, are realized by optimizing the number and layout of the contact electrodes, so that the manufacturing process can be optimized while the measurement method of the ECG principle is realized, the cost is saved, the layout of the electrodes is in the optimal position, the monitoring effect is ensured, and the accuracy of data collection is improved by using the contact temperature measurement mode.

Description

Multifunctional bracelet with multiplexing electrode

Technical Field

The utility model relates to the technical field of intelligent bracelets, in particular to a multifunctional bracelet with a multiplexing electrode.

Background

Along with the improvement of the living standard of people, intelligent wearing is more and more mature, particularly bracelet products are changed day by day, the intelligent bracelets on the market at present are concentrated on heart rate, sleep, blood pressure and the like, an ECG (electrocardiogram) or PPG (pulse-taking) technology is generally used, the measuring method of the ECG is more accurate relative to the PPG on the bracelets, and the ECG has only heart rate because of accurate and reference data, so that the two functions are generally integrated on the bracelets.

As disclosed in chinese patent, "ECG electrode for smart watch and smart watch" (patent number: CN 201911184862.3), the patent includes a charging coil for wireless charging, ECG device electrode is inlaid on the smart watch case at the position contacting skin; in wireless charging, the ECG device electrodes are located between the charging coil and the charging coil in the charging base. ECG device electrodes for contacting the skin to collect electrical signals; the ECG device electrodes are made of conductive ceramics. The wireless charging efficiency of the intelligent watch can be improved.

However, the above-described smart watch cannot integrate the detection of temperature and the acquisition of ECG and the acquisition of skin electrical impedance by a single electrode.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a multifunctional bracelet with a multiplexing electrode, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a multiplexing electrode's multi-functional bracelet, includes shell, two be used for with the fixed watchband of user wrist, show window, PPG window and electrode unit, one of them border department in the shell outside is equipped with the button, the watchband is fixed to be located on the shell and be located the button both sides, show window is located the shell upper surface, PPG window is fixed to be located the shell lower surface, electrode unit locates on the shell, electrode unit is used for realizing the collection of ECG and skin electrical impedance.

Preferably, one of the watchbands is fixedly provided with a buckle, the other watchband is provided with a slot for being sleeved on the outer side of the buckle, and the two watchbands are clamped with each other through the buckle.

Preferably, the electrode unit comprises a first electrode plate, a second electrode plate, a third electrode plate, a probe and a heat conduction device, wherein the first electrode plate and the display window are jointly adhered to the upper surface of the shell, the probe is arranged in the shell and is electrically connected with the first electrode plate, the second electrode plate and the third electrode plate are all arranged on the lower surface of the shell, a temperature sensor arranged on the upper side of the second electrode plate is arranged in the shell, the temperature sensor is used for converting a temperature signal into an electric signal, and the heat conduction device is used for transmitting skin heat of a wrist worn by a user to the temperature sensor.

Preferably, the heat conduction device comprises heat conduction silicone grease and blocking ribs, the heat conduction silicone grease is filled between the temperature sensor and the second electrode plate, the heat conduction silicone grease is used for guaranteeing accuracy of temperature signal conduction, the blocking ribs are arranged in the shell, and the blocking ribs are used for preventing short circuit caused by overflow of the heat conduction silicone grease.

Preferably, the thermal conductivity of the heat conducting medium of the heat conducting silicone grease is more than 1W/mK.

The utility model provides a multifunctional bracelet with a multiplexing electrode. The beneficial effects are as follows:

1. the data requirements of multiple function collection, such as heart rate, sleep, blood pressure, body temperature and emotion, are realized by optimizing the number and layout of the contact electrodes, so that the manufacturing process can be optimized while the measurement method of the ECG principle is realized, the cost is saved, the layout of the electrodes is in the optimal position, the monitoring effect is ensured, and the accuracy of data collection is improved by using the contact temperature measurement mode.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a heat conduction device according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a thimble according to the present utility model;

fig. 5 is an enlarged schematic view of the structure at a in fig. 4.

In the figure: 11. a housing; 12. watchband; 13. a key; 14. a first electrode sheet; 15. displaying a window; 16. a second electrode sheet; 17. a third electrode sheet; 18. a PPG window; 19. a probe; 20. heat conductive silicone grease; 21. a blocking rib; 22. a temperature sensor; 23. a buckle.

Description of the embodiments

The embodiment of the utility model provides a multifunctional bracelet with multiplexing electrodes, which comprises a shell 11, two watchbands 12 used for being fixed with the wrist of a user, a display window 15, a PPG window 18 and electrode units, wherein keys 13 are arranged at one edge of the outer side of the shell 11, the assembly structure between the keys 13 and the shell 11 is the same as that of the prior art, the watchbands 12 are fixedly arranged on the shell 11 and are positioned at two sides of the keys 13, the display window 15 is arranged on the upper surface of the shell 11, the PPG window 18 is fixedly arranged on the lower surface of the shell 11, the electrode units are arranged on the shell 11, and the electrode units are used for realizing acquisition of ECG and skin electrical impedance.

One of the watchbands 12 is fixedly provided with a buckle 23, the other watchband 12 is provided with a slot which is sleeved outside the buckle 23, the two watchbands 12 are clamped with each other through the buckle 23, and when the watch is used, a user can complete the assembly between the two watchbands 12 by sleeving the clamping slot on the watchband 12 on the outer surface of the buckle 23, and the formed circular ring fixes the shell 11 at the wrist of the user.

As shown in fig. 2, the electrode unit includes a first electrode plate 14, a second electrode plate 16, a third electrode plate 17, a probe 19 and a heat conduction device, where the first electrode plate 14 and the display window 15 are adhered to the upper surface of the housing 11 together, as shown in fig. 4, the probe 19 is disposed in the housing 11, the display window 15 is provided with a necessary hole for electrically connecting the probe with the first electrode plate 14 through the probe 19, the second electrode plate 16 and the third electrode plate 17 are both disposed on the lower surface of the housing 11, the second electrode plate 16 is used for collecting temperature data at the wrist of the user, a temperature sensor 22 disposed on the upper side of the second electrode plate 16 is disposed in the housing 11, the temperature sensor 22 is used for converting the temperature signal into an electrical signal, the heat conduction device is used for transmitting skin heat at the wrist of the user to the temperature sensor 22, and the second electrode plate 16 and the third electrode plate 17 are used for assisting the ECG chip to collect data together.

As shown in fig. 3 to 4, the heat conduction device comprises a heat conduction silicone grease 20 and a blocking rib 21, the heat conduction silicone grease 20 is filled between the temperature sensor 22 and the second electrode piece 16, the heat conduction conductivity of a heat conduction medium of the heat conduction silicone grease 20 is larger than 1W/mK, the heat conduction silicone grease 20 is used for guaranteeing the accuracy of temperature signal conduction, the blocking rib 21 is arranged in the shell 11, and the blocking rib 21 is used for preventing the heat conduction silicone grease 20 from overflowing to cause short circuit.

The shell 11 is internally provided with a chip with the same structure as the prior art, and then forms a loop with the second electrode plate 16 and the third electrode plate 17 through a thimble and a module, thereby realizing the acquisition of the ECG and the skin electrical impedance.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional bracelet of multiplexing electrode which characterized in that: including shell (11), two be used for with fixed watchband (12) of user wrist, display window (15), PPG window (18) and electrode unit, one of them border department in shell (11) outside is equipped with button (13), watchband (12) are fixed to be located on shell (11) and be located button (13) both sides, display window (15) are located shell (11) upper surface, PPG window (18) are fixed to be located shell (11) lower surface, electrode unit locates on shell (11), electrode unit is used for realizing the collection of ECG and skin electrical impedance.

2. The multi-purpose wristband of a multiplexing electrode according to claim 1, wherein: one of the watchbands (12) is fixedly provided with a buckle (23), the other watchband (12) is provided with a slot which is sleeved outside the buckle (23), and the two watchbands (12) are clamped with each other through the buckle (23).

3. The multi-purpose wristband of a multiplexing electrode according to claim 1, wherein: the electrode unit comprises a first electrode plate (14), a second electrode plate (16), a third electrode plate (17), a probe (19) and a heat conduction device, wherein the first electrode plate (14) and the display window (15) are jointly adhered to the upper surface of the shell (11), the probe (19) is arranged in the shell (11) and is electrically connected with the first electrode plate (14), the second electrode plate (16) and the third electrode plate (17) are all arranged on the lower surface of the shell (11), a temperature sensor (22) arranged on the upper side of the second electrode plate (16) is arranged in the shell (11), the temperature sensor (22) is used for converting a temperature signal into an electric signal, and the heat conduction device is used for transferring skin heat at the wearing position of a user to the temperature sensor (22).

4. A multi-functional wristband for a multiplexing electrode according to claim 3, wherein: the heat conduction device comprises heat conduction silicone grease (20) and blocking ribs (21), the heat conduction silicone grease (20) is filled between the temperature sensor (22) and the second electrode plate (16), the heat conduction silicone grease (20) is used for guaranteeing accuracy of temperature signal conduction, the blocking ribs (21) are arranged in the shell (11), and the blocking ribs (21) are used for preventing the heat conduction silicone grease (20) from overflowing to cause short circuit.

5. The multi-purpose wristband of a multiplexing electrode according to claim 4, wherein: the heat conduction medium heat conduction rate of the heat conduction silicone grease (20) is larger than (1) W/mK.