Noninvasive blood glucose detector based on near infrared spectrum analysis

Abstract

The utility model relates to a non-invasive blood glucose detector based on near infrared spectrum analysis, and belongs to the technical field of medical equipment. The blood glucose detector comprises a shell, a display, a processor, a near-infrared spectrum module, a memory and a power module, a detection cavity is formed in the shell, the near-infrared spectrum module is connected in the detection cavity through a movement mechanism, the near-infrared spectrum module is connected with the processor, the processor is connected with the display and the memory, and the power module is connected with the display and the memory. The display and the processor are connected with a power module. Blood glucose data of multiple finger positions can be obtained through one-time detection, the measurement result is more accurate, and non-invasive detection and analysis of human body blood glucose are achieved.

Description

Technical Field

[0001] The utility model relates to a non-invasive blood sugar detector based on near-infrared spectral analysis, belonging to the technical field of medical equipment. Background Art

[0002] Blood glucose monitoring is the regular inspection of blood glucose levels. Implementing blood glucose monitoring can better understand the changes in blood glucose in diabetic patients. It has important guiding significance for daily life, exercise, diet and rational use of drugs. It can also help patients detect problems at any time and go to the hospital for treatment in time.

[0003] At present, clinical blood sugar testing is mainly invasive testing, which requires finger pricking or venous blood sampling. However, such frequent blood sampling will inevitably bring pain and inconvenience to patients, and diabetic patients often have poor coagulation function. Long-term invasive testing will cause certain harm to patients. In the prior art, Chinese patent document CN107468258A discloses a remote near-infrared spectroscopy blood sugar detector and its detection method, and Chinese patent document CN106308814A discloses a non-invasive blood sugar detector based on near-infrared spectroscopy analysis and its implementation method. The above two comparative documents both use infrared spectroscopy technology for non-invasive detection, but only detect one position, and the result deviation is large. For this reason, the present utility model is proposed. Summary of the invention

[0004] In view of the shortcomings of the prior art, the utility model provides a non-invasive blood glucose detector based on near-infrared spectroscopy analysis. The near-infrared spectroscopy module uses a light source to irradiate human skin to obtain a diffuse reflected light signal, and obtains the blood glucose information of the human body based on near-infrared spectroscopy analysis. The blood glucose data of multiple finger positions can be obtained in one test. The measurement results are more accurate, realizing non-invasive detection and analysis of human blood glucose.

[0005] The technical solution of the utility model is as follows:

[0006] A non-invasive blood glucose detector based on near-infrared spectroscopy analysis, comprising a housing, a display, a processor, a near-infrared spectroscopy module, a memory and a power module, wherein a detection cavity is arranged in the housing, a near-infrared spectroscopy module is connected to the detection cavity through a motion mechanism, the near-infrared spectroscopy module is connected to the processor, the processor is respectively connected to the display and the memory, and the display and the processor are connected to the power module;

[0007] The near infrared spectrum module detects the diffuse reflection light signal irradiated to the detection part and sends the signal to the processor;

[0008] The processor is used to realize the transmission and control of information;

[0009] The motion mechanism is used to control the horizontal motion of the near infrared spectroscopy module;

[0010] The display is used to display the blood sugar data transmitted by the processor;

[0011] The memory is used to store the blood sugar test data results obtained by the processor;

[0012] The power module is used to supply power.

[0013] Preferably, according to the utility model, the detection cavity is a rectangular cavity, a motion mechanism is arranged on the upper side of the rectangular cavity, the lower side of the rectangular cavity is used to place the finger, the motion mechanism is a ball screw system or an electric push rod, the ball screw system includes a servo motor, a ball screw, a bearing seat and a slider, both ends of the ball screw are respectively fixed in the detection cavity through the bearing seat, one end of the ball screw is connected to the servo motor, a slider is arranged on the ball screw, a near-infrared spectrum module is arranged on the slider, and the ball screw system or the electric push rod is used to drive the slider to move, so as to detect multiple points on the finger respectively.

[0014] According to the preferred embodiment of the present invention, the display adopts the display module 0.96OLED_4P_MODULE_JX.

[0015] Preferably, according to the present invention, the processor is connected to an LED light to display the working status of the near-infrared spectrum module. If the operation is abnormal, a red light is displayed.

[0016] According to the preferred embodiment of the present invention, the processor is a main control chip ESP32-S3-WROOM-1 (N16R2).

[0017] Preferably, according to the present invention, the processor is connected to a voice module, the voice module model is JQ8900-16P, which is used for measuring process and result broadcasting.

[0018] According to the preferred embodiment of the present invention, the near infrared spectrum module model is NIRONE Sensor S1.7.

[0019] Preferably, according to the present invention, the power module model is AMS1117-3.3.

[0020] Preferably, according to the present invention, the memory is a MICRO SD card.

[0021] Preferably, according to the present invention, the processor is connected to a communication module, and the communication module is a HC-08 Bluetooth communication module.

[0022] When in use, the patient places his finger in the detection cavity, and the motion mechanism drives the near-infrared spectroscopy module to move, and detects multiple set finger positions respectively. During detection, the near-infrared spectroscopy module uses a light source to illuminate the human skin to obtain a diffuse reflected light signal, and obtains the human body's blood sugar information based on near-infrared spectroscopy analysis. The processor obtains the average blood sugar value based on the multiple groups of light signals transmitted by the near-infrared spectroscopy module, and displays it on the display, and transmits it to mobile phones and other terminals through the communication module.

[0023] The beneficial effects of the utility model are:

[0024] The utility model provides a non-invasive blood glucose detector based on near-infrared spectroscopy analysis. The near-infrared spectroscopy module obtains diffuse reflection light signals after irradiating human skin with a light source, obtains blood glucose information of the human body based on near-infrared spectroscopy analysis, and obtains blood glucose data of multiple finger positions in one test. The measurement result is more accurate, thereby realizing non-invasive detection and analysis of human blood glucose. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the connection of components of the utility model;

[0026] Figure 2 This is a circuit connection diagram of the utility model. DETAILED DESCRIPTION

[0027] The present invention will be further described below through embodiments and in conjunction with the accompanying drawings, but is not limited thereto.

[0028] Embodiment 1:

[0029] like Figure 1-2 As shown, this embodiment provides a non-invasive blood glucose detector based on near-infrared spectroscopy analysis, including a housing, a display, a processor, a near-infrared spectroscopy module, a memory and a power module, wherein a detection cavity is provided in the housing, the detection cavity is connected to the near-infrared spectroscopy module through a motion mechanism, the near-infrared spectroscopy module is connected to the processor, the processor is respectively connected to the display and the memory, and the display and the processor are connected to the power module;

[0030] The near infrared spectrum module detects the diffuse reflection light signal irradiated to the detection part and sends the signal to the processor;

[0031] The processor is used to realize the transmission and control of information;

[0032] The motion mechanism is used to control the horizontal motion of the near infrared spectroscopy module;

[0033] The display is used to display the blood sugar data transmitted by the processor;

[0034] The memory is used to store the blood sugar test data results obtained by the processor;

[0035] The power module is used to supply power.

[0036] The detection cavity is a rectangular cavity, and a motion mechanism is arranged on the upper side of the rectangular cavity. The lower side of the rectangular cavity is used to place fingers. The motion mechanism is a ball screw system. The ball screw system includes a servo motor, a ball screw, a bearing seat and a slider. The two ends of the ball screw are respectively fixed in the detection cavity through the bearing seat. One end of the ball screw is connected to a servo motor. A slider is arranged on the ball screw. A near-infrared spectrum module is arranged on the slider. The ball screw system is used to drive the slider to move, so as to detect multiple points on the finger. In specific applications, multiple motion mechanisms and near-infrared spectrum modules can be set according to the size of the detection cavity, and multiple fingers can be placed at one time to measure the blood sugar values ​​at multiple positions of different fingers, which can further improve the measurement accuracy.

[0037] The display uses display module 0.96OLED_4P_MODULE_JX.

[0038] The processor is connected to an LED light to display the working status of the near-infrared spectroscopy module. If it works abnormally, a red light will be displayed.

[0039] The processor is the main control chip ESP32-S3-WROOM-1 (N16R2). The near infrared spectrum module model is NIRONESensor S1.7.

[0040] The voice module model is JQ8900-16P, which is used for measuring process and result broadcasting.

[0041] The power module model is AMS1117-3.3.

[0042] The memory is a MICRO SD card.

[0043] The processor is connected with a communication module, and the communication module is a HC-08 Bluetooth communication module.

[0044] When in use, the patient places his finger in the detection cavity, and the motion mechanism drives the near-infrared spectroscopy module to move, and detects multiple set finger positions respectively. During detection, the near-infrared spectroscopy module uses a light source to illuminate the human skin to obtain a diffuse reflected light signal, and obtains the human body's blood sugar information based on near-infrared spectroscopy analysis. The processor obtains the average blood sugar value based on the multiple groups of light signals transmitted by the near-infrared spectroscopy module, and displays it on the display, and transmits it to mobile phones and other terminals through the communication module.

[0045] The above description is only a specific implementation mode of the preferred example of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the latest technical solutions and concepts of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A non-invasive blood glucose detector based on near infrared spectroscopy analysis, characterized in that: It includes a housing, a display, a processor, a near-infrared spectrum module, a memory and a power module, wherein a detection cavity is arranged in the housing, a near-infrared spectrum module is connected to the detection cavity through a motion mechanism, the near-infrared spectrum module is connected to the processor, the processor is respectively connected to the display and the memory, and the display and the processor are connected to the power module; The near infrared spectrum module detects the diffuse reflection light signal irradiated to the detection part and sends the signal to the processor; The processor is used to realize the transmission and control of information; The motion mechanism is used to control the horizontal motion of the near infrared spectroscopy module; The display is used to display the blood sugar data transmitted by the processor; The memory is used to store the blood sugar test data results obtained by the processor; The power module is used to supply power.

2. The non-invasive blood glucose detector based on near infrared spectroscopy analysis as claimed in claim 1, characterized in that: The detection cavity is a rectangular cavity, a motion mechanism is arranged on the upper side of the rectangular cavity, and the lower side of the rectangular cavity is used to place fingers. The motion mechanism is a ball screw system or an electric push rod. The ball screw system includes a servo motor, a ball screw, a bearing seat and a slider. Both ends of the ball screw are fixed in the detection cavity through bearing seats respectively. One end of the ball screw is connected to the servo motor. A slider is arranged on the ball screw, and a near-infrared spectrum module is arranged on the slider.

3. The non-invasive blood glucose detector based on near infrared spectroscopy analysis as claimed in claim 1, characterized in that: The display uses display module 0.96OLED_4P_MODULE_JX.

4. The non-invasive blood glucose detector based on near infrared spectroscopy analysis according to claim 1, characterized in that: There is an LED light connected to the processor.

5. The non-invasive blood glucose detector based on near infrared spectroscopy analysis as claimed in claim 1, characterized in that: The processor is the main control chip ESP32-S3-WROOM-1 (N16R2).

6. The non-invasive blood glucose detector based on near infrared spectroscopy analysis according to claim 1, characterized in that: The processor is connected to a voice module, and the voice module model is JQ8900-16P.

7. The non-invasive blood glucose detector based on near infrared spectroscopy analysis according to claim 1, characterized in that: The near infrared spectrum module model is NIRONE Sensor S1.

7.

8. The non-invasive blood glucose detector based on near infrared spectroscopy analysis as claimed in claim 1, characterized in that: The power module model is AMS1117-3.

3.

9. The non-invasive blood glucose detector based on near infrared spectroscopy analysis according to claim 1, characterized in that: The memory is a MICRO SD card.

10. The non-invasive blood glucose detector based on near infrared spectroscopy analysis according to claim 1, characterized in that: The processor is connected with a communication module, and the communication module is a HC-08 Bluetooth communication module.

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