Pulse condition acquisition instrument for traditional Chinese medicine

Abstract

The invention relates to the technical field of traditional Chinese medicine diagnosis equipment, in particular to a pulse condition acquisition instrument for traditional Chinese medicine, which comprises a wrist fixing device, a pulse pressure detection device, a shell for connecting the wrist fixing device and the pulse pressure detection device, and a controller for controlling the wrist fixing device and the pulse pressure detection device to work, the device is compact in structural layout, small in size and convenient to carry, the wrist fixing device is used for positioning radial protrusions, the pulse pressure detection device is moved to the position above the radial artery, automatic pulse searching is completed, the crankshaft is used for driving the piston probe to conduct pulse pressure collection, and a pressure data curve is displayed on a display device screen. Pulse pressure waves are fit and analyzed through the controller and the data processor, and floating, middle and sinking, numerous, slow and urgent pulse conditions and 18 pulse conditions of the pulse can be distinguished.

Description

Technical Field

[0001] The present invention relates to the technical field of traditional Chinese medicine diagnostic equipment, and in particular to a pulse collecting instrument and a pulse collecting method for traditional Chinese medicine. Background Art

[0002] Pulse diagnosis is a key diagnostic method in Traditional Chinese Medicine (TCM). Finger pulse diagnosis involves applying varying pressures (i.e., light, medium, and deep) to the radial artery using the fingertip, relying on tactile, pressure, and vibration receptors to detect pulse information. This information includes pulse rate, rhythm, rise and fall, strength, thickness, firmness, softness, fluency, and roughness. Therefore, the TCM pulse signal should be understood as a combination of pulse pressure and pulse wave dynamics.

[0003] Chinese patents CN86208967 and CN2420975Y both disclose devices for pulse diagnosis and explore the use of sensors to detect pulse conditions. However, since the radial artery is located between the protrusion of the lower end of the radius and the radial flexor carpi tendon, the measurement angle and position have a significant impact on the accuracy of pulse diagnosis. Therefore, it is difficult for the device to automatically find the pulse. The pulse diagnosis requires the assistance of a professional operator. In addition, the mechanical structure of existing pulse diagnosis devices is complex and the cost is high. As a result, pulse diagnosis devices cannot be promoted and popularized in households, hindering the development of traditional Chinese medicine towards automation and intelligence.

[0004] Therefore, the inventors propose a pulse collecting instrument and a pulse collecting method for traditional Chinese medicine which have a simple structure, low cost and can automatically find and collect pulses. Summary of the Invention

[0005] Summary of the invention The objective of the present invention is to provide Chinese medicine pulse collecting instrument and pulse collecting method, to solve the problem of raising in background technology.Specific technical scheme is as follows:

[0006] The first object of the present invention is to provide a pulse acquisition instrument for traditional Chinese medicine, comprising a wrist fixing device, a pulse pressure detection device, a housing for connecting the wrist fixing device and the pulse pressure detection device, and a controller for controlling the operation of the wrist fixing device and the pulse pressure detection device; wherein,

[0007] The wrist fixing device includes a wrist fixing frame, a first driving unit, and a radius positioning piece. The wrist fixing frame is provided with the first driving unit, the first driving unit is connected to the radius positioning piece, and the radius positioning piece is provided with a limiting groove corresponding to the radial protrusion on a side close to the radius. The first driving unit is used to push the radius positioning piece to move;

[0008] The pulse pressure detection device includes a pressure detection bracket, a second driving unit, a curved plate and multiple detection probes. The second driving unit is arranged in the pressure detection bracket, and an curved plate is arranged on the lower side of the pressure detection bracket. A through hole is opened on the curved plate for the detection probe to pass through. The detection probe is arranged on the second driving unit, and the second driving unit is used to drive multiple detection probes to move in sequence.

[0009] Preferably, the controller is connected to the first driving unit, the second driving unit, and the detection probe, and the controller is also connected to a display device.

[0010] Preferably, there are three detection probes, and the three detection probes are used to detect the pulse pressures of Cun, Guan and Chi respectively.

[0011] Preferably, the first drive unit includes a first motor, a worm, a turbine, a first gear, a screw and a threaded sleeve. The first motor is arranged on the wrist fixing frame. A worm is arranged on the output shaft of the first motor. A turbine is engaged with the worm. The turbine is engaged with the first gear. The first gear is connected to the screw. The screw rotates and connects to the threaded sleeve. The turbine and the first gear are both arranged on the wrist fixing frame, and the threaded sleeve is connected to the radius positioning piece.

[0012] Preferably, the second drive unit includes a second motor, a second gear, a third gear, a fourth gear, a crankshaft, and a crankshaft connecting rod. The second motor is arranged on a pressure detection bracket. A second gear is provided at the end of the second motor. The second gear is engaged with the third gear, and the third gear is engaged with the fourth gear. The third gear and the fourth gear are both arranged on the pressure detection bracket. The fourth gear is connected to the crankshaft. The crankshaft includes three connecting rod journals, each connecting rod journal is provided with a crankshaft connecting rod, and the other end of the crankshaft connecting rod is provided on the detection probe.

[0013] Preferably, the detection probe includes a piston structure, a silicone head and a piezoresistor, the piezoresistor is arranged in the silicone head, the silicone head is arranged on the lower side of the piston structure, a crankshaft connecting rod is arranged in the piston structure, and the piston structure is slidably connected to a through hole opened on the arc plate.

[0014] Preferably, the invention further comprises a data processor connected to the controller, wherein the data processor is configured as follows: a convolutional neural network is provided, wherein the pulse waveform of floating, middle and sinking, number, slowness and urgency, and 18 kinds of pulse conditions are input into the convolutional neural network; the pulse pressure signals of the three parts of Cun, Guan and Chi collected by the detection probe are received, the pulse pressure signals are amplified, and finally the pulse waveform is output; the pulse waveform is subjected to feature extraction, and one or more pulse conditions of floating, middle and sinking, number, slowness and urgency, and 18 kinds of pulse conditions are fitted by the convolutional neural network to generate a diagnosis result, and the pulse waveform is compared with the pulse waveform. Figure 1The extracted features include the peak data of the pulse waveform, which are transmitted to the controller.

[0015] Preferably, the controller is also provided with an identity recognition device for obtaining user identity information, and pairing the optimal position of the radial positioning member when the wave peak is maximum, and the diagnosis result with the user identity information. When multiple users use the same pulse collection instrument, the identity recognition device obtains the user identity information, the controller reads the user identity information, and reads the optimal position of the radial positioning member when the wave peak is maximum. The first drive unit directly adjusts the radial positioning member to move to the optimal position. The identity recognition device is any one of a fingerprint recognition module, an iris recognition module, a face recognition module, and a palm print recognition module.

[0016] A second object of the present invention is to provide a kind of Chinese medicine pulse collecting method, comprising the steps of:

[0017] S1: By statistically analyzing the user's height and weight data, the pulse diagnosis Cun, Guan, and Chi distances that meet the 90% height and weight requirements and the positions of the Cun, Guan, and Chi relative to the radial protrusion are calculated according to the normal distribution, and the limiting groove of the radial positioning component is set;

[0018] S2: The limiting groove of the radial positioning piece is buckled onto the radial protrusion so that the detection probe is approximately located at the center of the wrist. Then, the controller controls the first driving unit to operate, pushing the radial positioning piece toward the radial protrusion, so that the pulse pressure detection device moves toward the radial protrusion. The controller controls the second driving unit to operate, driving one of the detection probes to move downward and press against the wrist. The signal detected by the detection probe is transmitted to the controller, and then transmitted to the data processor for data processing.

[0019] S3: Inputting the pulse's floating, sinking, number of pulses, slowness, urgency, and 18 pulse waveforms into the convolutional neural network in the data processor; receiving the pulse pressure signals of the three parts of Cun, Guan, and Chi collected by the detection probe, amplifying the pulse pressure signals, and finally outputting the pulse waveform; extracting the characteristic points including the peak data and the trough data in the pulse waveform;

[0020] S4: The peak data extracted in step S3 is transmitted to the controller, which then controls the first driving unit to perform the next push to obtain the second peak data. This is repeated several times to obtain multiple peak data. The controller compares the multiple peak data to find the optimal position of the radial positioning member when the peak value is the maximum. The controller obtains the optimal position and moves the radial positioning member to the optimal position through the first driving unit.

[0021] S5: The second driving unit is used to control the detection probe to squeeze the three parts of Cun, Guan and Chi in turn, read the pulse pressure signal, generate Cun, Guan and Chi pulse waveforms and diagnosis results, and use the convolutional neural network to fit the floating, middle and sinking, fast and slow, and one or more of the 18 pulse conditions to generate the diagnosis result and compare it with the pulse waveform. Figure 1 The same is displayed on the display device.

[0022] Preferably, step S1 also includes creating a user database, using an identity recognition device to identify the user to obtain user identity information, matching the user identity information with the data in the user database, and if the match is successful, reading the optimal position of the radial positioning member when the peak is the largest, and directly adjusting the radial positioning member to move to the optimal position by the first drive unit, and continuing to execute step S5. If the match is unsuccessful, creating a user information file package for the user in the user database, and continuing to execute steps S2, S3, S4, and S5, and writing the optimal position obtained by the controller in step S4 into the user information file package corresponding to the user. When the user uses it next time, the user identity information is obtained through identification, the user identity information is matched to the user information file package, and the controller is read to obtain the optimal position, and the first drive unit directly adjusts the radial positioning member to move to the optimal position.

[0023] Beneficial effects:

[0024] The traditional Chinese medicine pulse acquisition instrument provided by the present invention has a compact structure, a small size, and is easy to carry. A wrist fixing device is used to locate the radial protrusion, and a pulse pressure detection device is moved above the radial artery to complete automatic pulse finding. A crankshaft is used to drive a piston probe to collect pulse pressure, and a pressure data curve is displayed on a display screen. A controller and a data processor are used to fit and analyze the pulse pressure wave to distinguish the floating, middle, sinking, rapid, slow, and urgent pulses, as well as 18 types of pulse conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the pulse collecting instrument for traditional Chinese medicine of the present invention;

[0027] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0028] Figure 3 is a structural schematic diagram of the first driving unit of the present invention;

[0029] Figure 4 is a structural schematic diagram of the second driving unit according to the present invention;

[0030] Figure 5 is a cross-sectional view of the detection probe of the present invention;

[0031] Figure 6 It is a schematic diagram of the present invention in use. DETAILED DESCRIPTION

[0032] The TCM pulse collecting instrument proposed by the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer as described below. It should be noted that the accompanying drawings are in very simplified form and are not in exact proportions, and are only used to facilitate and clearly illustrate the purpose of the embodiments of the present invention.

[0033] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being described. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means at least two, such as two or three, unless otherwise specifically defined.

[0034] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention. Therefore, the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the status, quantity and proportion of each component may be changed at will, and the component layout status may also be more complicated.

[0035] The core idea of ​​the present invention is to use a wrist fixation device to locate the radial protrusion, move the pulse pressure detection device above the radial artery, use a crankshaft to drive the piston probe to collect pulse pressure, display the pressure data curve on the display device, and use a controller and a data processor to fit and analyze the pulse pressure wave to distinguish the floating, middle, sinking, rapid, slow, and 18 types of pulse conditions.

[0036] In some embodiments, as Figure 1-2 As shown, the Chinese medicine pulse acquisition instrument includes a wrist fixing device 100, a pulse pressure detection device 200, a housing 300 for connecting the wrist fixing device 100 and the pulse pressure detection device 200, and a controller for controlling the operation of the wrist fixing device 100 and the pulse pressure detection device 200; wherein,

[0037] The wrist fixation device 100 includes a wrist fixation frame 110, a first drive unit 120, and a radius positioning member 130. The wrist fixation frame 110 is provided with the first drive unit 120, and the first drive unit 120 is connected to the radius positioning member 130. The radius positioning member 130 is provided with a limiting groove 131 corresponding to the radial protrusion on a side close to the radius. The first drive unit 120 is used to push the radius positioning member 130 to move toward or away from the radius.

[0038] The pulse pressure detection device 200 includes a pressure detection bracket 210, a second drive unit 220, a curved plate 230, and a plurality of detection probes 240. The second drive unit 220 is disposed within the pressure detection bracket 210. The curved plate 230 is disposed on the lower side of the pressure detection bracket 210. The curved plate 230 has a through hole for the detection probe 240 to pass through. The detection probe 240 is disposed on the second drive unit 220. The second drive unit 220 is used to drive the plurality of detection probes 240 to move downward in sequence.

[0039] The controller is connected to the first drive unit 120, the second drive unit 220, and the detection probe 240. In some embodiments, the controller is also connected to a display device, which is one of a mobile phone, a tablet computer, and a monitor. In this embodiment, an external display device is used as the display device, which can reduce the weight of the pulse collector. The controller is also provided with a data connection module for connecting to the display device. In other embodiments, the display device is a display screen, and the display screen is provided on the housing 300.

[0040] When using, Figure 6 As shown, place the arm flat on the table with the palm facing up, place the curved plate 230 on the wrist, and buckle the limiting groove 131 of the radial positioning piece 130 on the radial protrusion so that the detection probe 240 is roughly located at the center of the wrist. Then the controller controls the first driving unit 120 to work and push the radial positioning piece 130 toward the radial protrusion. The reaction force causes the wrist fixing device 100 to drive the shell 300 and the pulse pressure detection device 200 to move toward the radial protrusion, so that the detection probe 240 gradually approaches the radial artery. After each push, the controller controls the second driving unit 220 to work and drive one of the detection probes 240 to move downward and squeeze it on the wrist. The signal detected by the detection probe 240 is transmitted to the display device through the data transmission module. After multiple pushes, the position with the best signal strength is found, and automatic pulse finding is completed.

[0041] In some embodiments, as Figure 1 As shown, there are three detection probes 240, and the three detection probes 240 are used to detect the pulse pressures of Cun, Guan, and Chi respectively.

[0042] In some embodiments, as Figure 3 As shown, the first driving unit 120 includes a first motor 121, a worm 122, a turbine 123, a first gear 124, a screw 125 and a threaded sleeve 126. The first motor 121 is arranged on the wrist fixing frame 110. The output shaft of the first motor 121 is provided with a worm 122, the worm 122 is meshed with a turbine 123, the turbine 123 is meshed with the first gear 124, the first gear 124 is connected to the screw 125, the screw 125 is rotated to connect the threaded sleeve 126, and the turbine 123 is meshed with the first gear 124. 23. The first gear 124 is set on the wrist fixing frame 110, and the threaded sleeve 126 is connected to the radial positioning piece 130. When working, the controller controls the first motor 121 to work, and drives the screw 125 to rotate in the threaded sleeve 126 through the transmission between the worm 122, the turbine 123, and the first gear 124, thereby pushing the threaded sleeve 126 and the radial positioning piece 130 to move back and forth together, allowing the detection probe 240 to move above the radial artery. The above structure has a compact layout, small size, and is easy to carry.

[0043] In some embodiments, as Figure 4 As shown, the second drive unit 220 includes a second motor 221, a second gear 222, a third gear 223, a fourth gear 224, a crankshaft 225, and a crankshaft connecting rod 226. The second motor 221 is arranged on the pressure detection bracket 210. A second gear 222 is provided at the end of the second motor 221. The second gear 222 is engaged with the third gear 223, and the third gear 223 is engaged with the fourth gear 224. The third gear 223 and the fourth gear 224 are both arranged on the pressure detection bracket 210. The fourth gear 224 is connected to the crankshaft 225. The crankshaft 225 includes three connecting rod journals, and the three connecting rod journals are arranged at an angle of 120° in the circumferential direction. A crankshaft connecting rod 226 is provided on each connecting rod journal, and the other end of the crankshaft connecting rod 226 is provided on the detection probe 240. When working, the second motor 221 is controlled by the controller to work, and the second motor 221 drives the crankshaft 225 to rotate through the second gear 222, the third gear 223, and the fourth gear 224. The connecting rod journals arranged at an angle of 120° drive the detection probe 240 to move downward in sequence through the crankshaft connecting rod 226. The above structure has a compact layout, small size, and is easy to carry. Only one second motor 221 can control the orderly movement of the detection probe 240 for the three pulse pressures of Cun, Guan, and Chi, further reducing the cost of the whole machine.

[0044] In some embodiments, as Figure 5As shown, the detection probe 240 includes a piston structure 241, a silicone head 242 and a piezoresistor 243. The piezoresistor 243 is arranged in the silicone head 242, and the silicone head 242 is arranged on the lower side of the piston structure 241. A crankshaft connecting rod 226 is arranged in the piston structure 241. The piston structure 241 is slidably connected to the through hole opened on the arc plate 230. When in use, the silicone head 242 can filter out part of the vibration interference, and the piezoresistor 243 has a low cost.

[0045] In some embodiments, the invention also includes a data processor connected to the controller, the data processor is configured to: be provided with a convolutional neural network, input the pulse's floating, middle, sinking, number, slowness, and 18 kinds of pulse waveforms into the convolutional neural network; receive the pulse pressure signals of the three parts of Cun, Guan, and Chi collected by the detection probe 240, amplify the pulse pressure signals, and finally output the pulse waveform; extract features from the pulse waveform, fit the floating, middle, sinking, number, slowness, and 18 kinds of pulse through the convolutional neural network, generate a diagnosis result, and compare it with the pulse waveform Figure 1 The data is displayed on the display device, wherein the extracted features include the peak data of the pulse waveform, and the peak data is transmitted to the controller; when finding the pulse, the controller controls the first drive unit 120 to push multiple times, and obtains a peak data each time, and compares multiple peak data to find the optimal position of the radial positioning member 130 when the peak is the largest. The controller obtains the optimal position and moves the radial positioning member 130 to the optimal position through the first drive unit 120, that is, adjusts the relative position of the screw 125 and the threaded sleeve 126, and then controls the detection probe 240 to squeeze the three parts of Cun, Guan and Chi in turn through the second drive unit 220 to read the pulse pressure signal and generate a pulse waveform and a diagnosis result.

[0046] In some embodiments, an identity recognition device is also provided on the controller for obtaining user identity information, and pairing the optimal position of the radial positioning member 130 when the wave peak is maximum, and the diagnosis result with the user identity information. When multiple users use the same pulse collection instrument, the identity recognition device obtains the user identity information, the controller reads the user identity information, and reads the optimal position of the radial positioning member 130 when the wave peak is maximum. The first drive unit 120 directly adjusts the radial positioning member 130 to move to the optimal position. The identity recognition device is any one of a fingerprint recognition module, an iris recognition module, a face recognition module, and a palm print recognition module.

[0047] A method for collecting pulse condition in traditional Chinese medicine comprises the following steps:

[0048] S1: Statistically analyzing the user's height and weight data, calculating the pulse diagnosis Cun, Guan, and Chi distances and the positions of the Cun, Guan, and Chi relative to the radial protrusion that meet 90% of the height and weight requirements according to a normal distribution, and setting the limiting groove 131 of the radial positioning member 130;

[0049] S2: The limiting groove 131 of the radial positioning member 130 is buckled onto the radial protrusion so that the detection probe 240 is approximately located at the center of the wrist. The controller then controls the first driving unit 120 to operate, pushing the radial positioning member 130 toward the radial protrusion, so that the pulse pressure detection device 200 moves toward the radial protrusion. The controller controls the second driving unit 220 to operate, driving one of the detection probes 240 to move downward and press against the wrist. The signal detected by the detection probe 240 is transmitted to the controller, and then transmitted to the data processor for data processing.

[0050] S3: Inputting the pulse's floating, sinking, number of pulses, slowness, urgency, and 18 pulse waveforms into the convolutional neural network in the data processor; receiving the pulse pressure signals of the three parts of Cun, Guan, and Chi collected by the detection probe 240, amplifying the pulse pressure signals, and finally outputting the pulse waveform; extracting the characteristic points including the peak data and the trough data in the pulse waveform;

[0051] S4: The peak data extracted in step S3 is transmitted to the controller, which then controls the first driving unit 120 to perform the next push, thereby obtaining the second peak data. This is repeated several times to obtain multiple peak data. The controller compares the multiple peak data to find the optimal position of the radial positioning member 130 when the peak value is the maximum. The controller obtains the optimal position and moves the radial positioning member 130 to the optimal position through the first driving unit 120.

[0052] S5: The second driving unit 220 controls the detection probe 240 to squeeze the three parts of Cun, Guan and Chi in turn, reads the pulse pressure signal, generates Cun, Guan and Chi pulse waveforms and diagnosis results, and uses convolutional neural network to fit floating, sinking, number, slow and fast, and one or more of the 18 pulse conditions to generate a diagnosis result, and compares it with the pulse waveform. Figure 1 The same is displayed on the display device.

[0053] In some embodiments, step S1 also includes creating a user database, using an identity recognition device to identify the user to obtain user identity information, matching the user identity information with the data in the user database, and if the match is successful, reading the optimal position of the radial positioning member 130 when the peak is the largest, and directly adjusting the radial positioning member 130 to move to the optimal position by the first drive unit 120, and continuing to execute step S5. If the match is unsuccessful, creating a user information file package for the user in the user database, and continuing to execute steps S2, S3, S4, and S5, and writing the optimal position obtained by the controller in step S4 into the user information file package corresponding to the user. When the user uses it next time, the user identity information is obtained through identification, the user identity information is matched to the user information file package, and the controller is read to obtain the optimal position, and the first drive unit 120 directly adjusts the radial positioning member 130 to move to the optimal position.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A pulse collecting instrument for traditional Chinese medicine, characterized in that: The invention comprises a wrist fixing device, a pulse pressure detection device, a housing for connecting the wrist fixing device and the pulse pressure detection device, and a controller for controlling the operation of the wrist fixing device and the pulse pressure detection device; wherein, The wrist fixing device includes a wrist fixing frame, a first driving unit, and a radius positioning piece. The wrist fixing frame is provided with the first driving unit, the first driving unit is connected to the radius positioning piece, and the radius positioning piece is provided with a limiting groove corresponding to the radial protrusion on a side close to the radius. The first driving unit is used to push the radius positioning piece to move; The pulse pressure detection device includes a pressure detection bracket, a second driving unit, a curved plate and multiple detection probes. The second driving unit is arranged in the pressure detection bracket, and an curved plate is arranged on the lower side of the pressure detection bracket. A through hole is opened on the curved plate for the detection probe to pass through. The detection probe is arranged on the second driving unit, and the second driving unit is used to drive multiple detection probes to move in sequence.

2. The Chinese medicine pulse collecting instrument according to claim 1, wherein The controller is connected to the first driving unit, the second driving unit, and the detection probe, and is also connected to a display device.

3. The Chinese medicine pulse collecting instrument according to claim 1, wherein There are three detection probes, and the three detection probes are used to detect the pulse pressures of Cun, Guan and Chi respectively.

4. The Chinese medicine pulse collecting instrument according to claim 1, wherein The first drive unit includes a first motor, a worm, a turbine, a first gear, a screw and a threaded sleeve. The first motor is arranged on the wrist fixing frame. A worm is arranged on the output shaft of the first motor. A turbine is engaged with the worm. The turbine is engaged with the first gear. The first gear is connected to the screw. The screw rotates and connects to the threaded sleeve. The turbine and the first gear are both arranged on the wrist fixing frame. The threaded sleeve is connected to the radius positioning piece.

5. The Chinese medicine pulse collecting instrument according to claim 1, wherein The second drive unit includes a second motor, a second gear, a third gear, a fourth gear, a crankshaft, and a crankshaft connecting rod. The second motor is arranged on a pressure detection bracket. A second gear is provided at the end of the second motor. The second gear is engaged with the third gear, and the third gear is engaged with the fourth gear. The third gear and the fourth gear are both arranged on the pressure detection bracket. The fourth gear is connected to the crankshaft. The crankshaft includes three connecting rod journals, each connecting rod journal is provided with a crankshaft connecting rod, and the other end of the crankshaft connecting rod is provided on the detection probe.

6. The Chinese medicine pulse collecting instrument according to claim 1, wherein The detection probe includes a piston structure, a silicone head and a piezoresistor, the piezoresistor is arranged in the silicone head, the silicone head is arranged on the lower side of the piston structure, a crankshaft connecting rod is arranged in the piston structure, and the piston structure is slidably connected to a through hole opened on the arc plate.

7. The Chinese medicine pulse collecting instrument according to claim 1, wherein It also includes a data processor connected to the controller, which is configured as follows: a convolutional neural network is provided, and the pulse waveform of 18 types of pulse conditions, including floating, center, sinking, rate, slowness, and urgency, is input into the convolutional neural network; pulse pressure signals of the three parts of Cun, Guan, and Chi collected by the detection probe are received, the pulse pressure signals are amplified, and finally the pulse waveform is output; features are extracted from the pulse waveform, and floating, center, sinking, rate, slowness, and urgency, as well as one or more of the 18 pulse conditions, are fitted by the convolutional neural network to generate a diagnosis result, and the diagnosis result is displayed on a display device together with the pulse waveform, wherein the extracted features include peak data of the pulse waveform, and the peak data is transmitted to the controller.

8. The Chinese medicine pulse collecting instrument according to claim 7, wherein: The controller is also provided with an identity recognition device for obtaining user identity information, and pairing the optimal position of the radial positioning member when the wave peak is maximum, and the diagnosis result with the user identity information. When multiple users use the same pulse acquisition instrument, the identity recognition device obtains the user identity information, the controller reads the user identity information, and reads the optimal position of the radial positioning member when the wave peak is maximum. The first drive unit directly adjusts the radial positioning member to move to the optimal position. The identity recognition device is any one of a fingerprint recognition module, an iris recognition module, a face recognition module, and a palm print recognition module.

9. A method for collecting pulse condition in traditional Chinese medicine, comprising the following steps: S1: By statistically analyzing the user's height and weight data, the pulse diagnosis Cun, Guan, and Chi distances that meet the 90% height and weight requirements and the positions of the Cun, Guan, and Chi relative to the radial protrusion are calculated according to the normal distribution, and the limiting groove of the radial positioning component is set; S2: The limiting groove of the radial positioning piece is buckled onto the radial protrusion so that the detection probe is approximately located at the center of the wrist. Then, the controller controls the first driving unit to operate, pushing the radial positioning piece toward the radial protrusion, so that the pulse pressure detection device moves toward the radial protrusion. The controller controls the second driving unit to operate, driving one of the detection probes to move downward and press against the wrist. The signal detected by the detection probe is transmitted to the controller, and then transmitted to the data processor for data processing. S3: Inputting the pulse's floating, sinking, number of pulses, slowness, urgency, and 18 pulse waveforms into the convolutional neural network in the data processor; receiving the pulse pressure signals of the three parts of Cun, Guan, and Chi collected by the detection probe, amplifying the pulse pressure signals, and finally outputting the pulse waveform; extracting the characteristic points including the peak data and the trough data in the pulse waveform; S4: The peak data extracted in step S3 is transmitted to the controller, which then controls the first driving unit to perform the next push to obtain the second peak data. This is repeated several times to obtain multiple peak data. The controller compares the multiple peak data to find the optimal position of the radial positioning member when the peak value is the maximum. The controller obtains the optimal position and moves the radial positioning member to the optimal position through the first driving unit. S5: The detection probe is controlled by the second driving unit to be squeezed in turn on the three parts of Cun, Guan and Chi, the pulse pressure signal is read, and the pulse waveforms of Cun, Guan and Chi and the diagnosis results are generated. The convolutional neural network is used to fit the floating, middle and sinking, rapid and slow pulses, and one or more of the 18 pulse conditions to generate the diagnosis results, and display them on the display device together with the pulse waveforms.

10. The method for collecting pulse condition in traditional Chinese medicine according to claim 9, wherein: Step S1 also includes creating a user database, using an identity recognition device to identify the user to obtain user identity information, matching the user identity information with the data in the user database, and if the match is successful, reading the optimal position of the radial positioning member when the peak is the largest, and directly adjusting the radial positioning member to move to the optimal position by the first drive unit, and continuing to execute step S5. If the match is unsuccessful, creating a user information file package for the user in the user database, and continuing to execute steps S2, S3, S4, and S5, and writing the optimal position obtained by the controller in step S4 into the user information file package corresponding to the user. When the user uses it next time, the user identity information is obtained through identification, the user identity information is matched to the user information file package, and the controller is read to obtain the optimal position, and the first drive unit directly adjusts the radial positioning member to move to the optimal position.

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