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CN-122004851-A - Device and method for detecting human sweat secretion

CN122004851ACN 122004851 ACN122004851 ACN 122004851ACN-122004851-A

Abstract

The invention belongs to the field of sweat secretion detection, in particular to a device and a method for detecting human sweat secretion, which comprises an outer shell, a cover plate connected with the outer part of the outer shell in a threaded way, a controller fixed on the outer surface of the outer shell and a collection and detection mechanism, wherein the collection and detection mechanism is used for collecting sweat and detecting the sweat and comprises a sampling assembly and a measuring assembly, the sampling assembly comprises a plurality of cylinders fixed at the bottom of the inner wall of the outer shell and distributed in an equidistant and encircling way, pulling rods inserted in the inner wall of the outer shell and the inner part of the cylinders in a sliding way and plug plates fixed at the tops of the pulling rods, the device and the method can ensure that the interference of the external environment is avoided during detection, improve the accuracy of sweat detection, collect a plurality of samples and increase the sample number of a control group, further improve the accuracy of detection, and realize synchronous detection of a plurality of indexes such as ‌ pH, glucose, lactic acid, uric acid, na+, K+ ‌ and the like through ‌ synchronous fluorescent scanning ‌ or probe arrays ‌.

Inventors

  • WU BANGHUA
  • PENG YUJIE
  • XIAO PENG
  • YU JUNSHENG

Assignees

  • 电子科技大学

Dates

Publication Date
20260512
Application Date
20260318

Claims (10)

  1. 1. The device for detecting human sweat secretion is characterized by comprising an outer shell (1), a cover plate (2) connected with the outer part of the outer shell (1) in a threaded manner, a controller (33) fixed on the outer surface of the outer shell (1) and an acquisition and detection mechanism, wherein the acquisition and detection mechanism is used for acquiring sweat and detecting the sweat; The acquisition detection mechanism comprises a sampling assembly and a measuring assembly; The sampling assembly comprises a barrel body (3) fixed at the bottom of the inner wall of the outer shell body (1) and a plurality of equidistant surrounding distribution setting, a pulling rod (38) slidably inserted in the inner wall of the outer shell body (1) and the barrel body (3), a plug plate (5) fixed at the top of the pulling rod (38), a first peripheral surface spring (12) sleeved on the plug plate (5), a connecting cylinder (6) fixed at the top of the plug plate (5), a cotton swab stick (4) inserted at the top of the inner cavity of the connecting cylinder (6), a rotary rod (8) rotationally connected to the inner wall of the connecting cylinder (6), a plug rod (7) fixed at the middle position of the outer peripheral surface of the rotary rod (8) and a shaking component acting on the cotton swab stick (4).
  2. 2. The device for detecting human sweat secretion according to claim 1, wherein the bottom of the cotton swab (4) and the plunger (7) are connected in an inserted manner, the bottom of the pulling rod (38) penetrates through the outer shell (1) and extends to the bottom of the outer shell (1), one end of the first spring (12) is fixed with the surface of the plug board (5), and the other end of the first spring (12) is fixed with the inner wall of the barrel (3).
  3. 3. The device for detecting human sweat secretion according to claim 1, wherein the shaking component comprises a first circular gear (9) fixedly sleeved at two ends of the outer peripheral surface of the rotating rod (8), a rack seat (11) meshed with the first circular gear (9), a sliding shaft (10) penetrating through and inserted into the middle position of the pulling rod (38), an inner bin (26) arranged inside the pulling rod (38), a sleeve ring (27) fixedly sleeved at the inner position of the sliding shaft (10) and a second spring (28) sleeved at the outer peripheral surface of the sleeve ring (27), the bottom of the sliding shaft (10) penetrates through the pulling rod (38) and extends to the outer part of the pulling rod (38), one end of the second spring (28) is fixed with the surface of the sleeve ring (27), the other end of the second spring (28) is fixed with the bottom of the inner wall of the inner bin (26), and the bottom of the rack seat (11) is fixed with the surface of the sliding shaft (10).
  4. 4. The device for detecting human sweat secretion according to claim 3, wherein the sampling assembly further comprises a plurality of threaded rods (13) which are equidistantly and circumferentially arranged and are rotatably connected to the side position of the inner cavity of the outer shell (1), a same driving part acting on the threaded rods (13), a threaded sleeve (14) which is in threaded connection with the outer peripheral surface of the threaded rods (13), spring telescopic rods (23) which are fixed to the inner cavities at two ends of the threaded sleeve (14), guide strips (15) which penetrate through and are inserted into the side, away from the cylinder (3), of the threaded sleeve (14), a movable block (20) which is arranged at the side, close to the cylinder (3), of the threaded sleeve (14), an integrated photoelectric detector (37) which is fixed to the middle position of the side surface, close to the movable block (20), of the threaded rod (21) which is fixed to the top of the movable block (20), a sealing plug (22) which is fixed to the bottom of the threaded rod (21), and a fluorescent probe (24) which is arranged at the bottom of the sealing plug (22).
  5. 5. The device for detecting human sweat secretion according to claim 4, wherein the fluorescent probe (24) and the integrated photoelectric detector (37) are electrically connected with the controller (33), one side of the guide bar (15) is fixed with the inner peripheral surface of the outer shell (1), one side of the spring telescopic rod (23) is fixed with the surface of the adjacent movable block (20), and the cylinder (3) is a transparent material member.
  6. 6. The device for detecting human sweat secretion according to claim 4, wherein the co-driving part comprises a circular gear II (16) fixedly sleeved on the outer peripheral surface of the first threaded rod (13) and positioned at the top of the first threaded sleeve (14), a gear ring (17) meshed with the middle positions of the circular gears II (16), a supporting groove (18) formed in the top of the inner cavity surface of the outer shell (1) and provided with a T-shaped cross section, and a supporting ring (19) inserted into the supporting groove (18) and provided with a T-shaped cross section, wherein the bottom of the supporting ring (19) is fixed with the surface of the gear ring (17), and the top of one threaded rod I (13) penetrates through the outer shell (1) and extends to the outside of the outer shell (1).
  7. 7. The device for detecting human sweat secretion according to claim 6, wherein the sampling assembly further comprises a collision strip (25) fixed on the outer circumferential surface of the pulling rod (38) and positioned at the bottom of the first spring (12), the collision strip (25) is in sliding insertion connection with the inner wall of the cylinder (3), and the top of the collision strip (25) and the bottom of the movable block (20) are in inclined surface arrangement.
  8. 8. The device for detecting human sweat secretion according to claim 7, wherein the measuring assembly comprises a storage groove (29) formed in the inner cavity of the outer shell (1) and located in the middle of the plurality of cylinders (3), a second threaded rod (30) rotatably connected to the side of the inner cavity of the storage groove (29) and arranged in an equidistant and circumferentially distributed mode, and a second threaded sleeve (35) in threaded connection with the side of the outer peripheral surface of the second threaded rod (30).
  9. 9. The device for detecting human sweat secretion according to claim 8, wherein the measuring assembly further comprises an ultraviolet lamp body (36) fixed at the top of the second threaded sleeve (35), a movable shaft (31) rotatably connected to the middle position of the bottom of the outer shell (1), a first conical gear (32) fixedly sleeved on the outer peripheral surface of the movable shaft (31), and a second conical gear (34) fixedly sleeved on the outer peripheral surface of the second threaded rod (30) and close to the movable shaft (31), wherein the first conical gear (32) and the second conical gears (34) are in meshed connection.
  10. 10. A method of detecting human sweat secretions using the device for detecting human sweat secretions of claim 9, comprising the steps of: s1, placing a cotton swab (4) in an inner cavity of a cylinder body (3), and sealing an outer shell (1) through a cover plate (2) to finish pretreatment operation; s2, sequentially collecting a plurality of samples to the inner cavity of the cylinder body (3) through the sampling assembly, and sealing the samples in a space isolated from the outside; s3, enabling the ultraviolet lamp body (36) to fully irradiate the contact part of the fluorescent probe (24) and the cotton swab (4) by enabling the fluorescent probe (24) to be in contact with the head of the cotton swab (4) and adjusting the illumination distance of the ultraviolet lamp body (36) through a measuring part according to the requirements of actual scenes; s4, reading the fluorescence intensity or wavelength change of the contact part of the fluorescent probe (24) and the cotton swab (4) through an integrated photoelectric detector (37), and transmitting the fluorescence intensity or wavelength change to a controller (33) for analysis.

Description

Device and method for detecting human sweat secretion Technical Field The invention belongs to the field of sweat secretion detection, and particularly relates to a device and a method for detecting human sweat secretion. Background In recent years, as the health monitoring needs of people are improved, wearable devices have evolved from simple step counting and heart rate monitoring to deeper biochemical index analysis. Sweat, which is one of important biological fluids, contains a large number of metabolites and electrolytes highly correlated with blood concentration, has the ability to reflect the metabolic state of the body, stress level and water-salt balance in real time, however, existing sweat detection means still face many challenges. Traditionally, sweat detection is performed by ultraviolet spectrophotometry, that is, using an ultraviolet visible spectrophotometer, and is limited to a micromolar (μm) level (such as about 10 μm of lactic acid), so that low-abundance biomarkers (such as cortisol and glucose concentration in a resting state) in sweat are difficult to capture, and a plurality of samples cannot be uniformly detected at the same time, and comparison demonstration of a control group is lacking, so that detection accuracy is further reduced. To this end, the present invention provides a device and method for detecting human sweat secretions. Disclosure of Invention In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The technical scheme includes that the device for detecting human sweat secretion comprises an outer shell, a cover plate connected to the outer part of the outer shell in a threaded mode, a controller fixed to the outer surface of the outer shell and a collection and detection mechanism, wherein the collection and detection mechanism is used for collecting sweat and detecting the sweat; The acquisition detection mechanism comprises a sampling assembly and a measuring assembly; The sampling assembly comprises a plurality of barrel bodies fixed at the bottom of the inner wall of the outer shell body and distributed in an equidistance surrounding manner, a pulling rod inserted in the inner wall of the outer shell body and the barrel body in a sliding manner, a plug plate fixed at the top of the pulling rod, a plug plate arranged on the outer peripheral surface spring I in a sleeved mode, a connecting barrel fixed at the top of the plug plate, a cotton swab stick inserted at the top of an inner cavity of the connecting barrel, a rotary rod rotationally connected to the inner wall of the connecting barrel, a plug stick fixed at the middle position of the outer peripheral surface of the rotary rod and a shaking component acting on the cotton swab stick. Preferably, the bottom of the cotton swab rod is connected with the inserting rod in an inserting way, the bottom of the pulling rod penetrates through the outer shell and extends to the bottom of the outer shell, one end of the first spring is fixed with the surface of the plug plate, and the other end of the first spring is fixed with the inner wall of the cylinder body. Preferably, the rocking component comprises a first circular gear fixedly sleeved at two ends of the outer peripheral surface of the rotating rod, a rack seat meshed with one side of the first circular gear, a sliding shaft penetrating through and inserted into the middle of the pulling rod, an inner bin arranged inside the pulling rod, a lantern ring fixedly sleeved at the inner position of the sliding shaft and a second spring sleeved on the outer peripheral surface of the lantern ring, the bottom of the sliding shaft penetrates through the pulling rod and extends to the outer part of the pulling rod, one end of the second spring is fixed with the surface of the lantern ring, the other end of the second spring is fixed with the bottom of the inner wall of the inner bin, and the bottom of the rack seat is fixed with the surface of the sliding shaft. Preferably, the sampling assembly further comprises a first threaded rod, a same driving part, a first threaded sleeve, a first spring telescopic rod, a guide bar, a movable block, an integrated photoelectric detector, a connecting rod, a sealing plug and a fluorescent probe, wherein the first threaded rod is arranged at the side of the inner cavity of the outer shell in an equidistant surrounding mode, the same driving part is used for the first threaded rod, the first threaded sleeve is in threaded connection with the outer peripheral surface of the first threaded rod, the spring telescopic rod is fixed at the inner cavity of the two ends of the first threaded sleeve, the guide bar penetrates through and is inserted into the first threaded sleeve and is far away from the cylinder body, the movable block is arranged at the side position of the first threaded sleeve, the integrated photoelectric detector is fixed at the middle position of