Human body shape tester

Abstract

The utility model relates to a human body form tester, and relates to the field of medical instruments, the human body form tester comprises a standing platform, a mounting seat and a scanning mechanism, the standing platform is fixedly mounted on the mounting seat, the scanning mechanism is rotatably mounted on the outer side wall of the mounting seat, and two armrests are mounted on the standing platform in a liftable manner; the holding sensing modules are arranged on the two handrails; the driving module is mounted on the mounting seat; the detection module is mounted between the scanning mechanism and the mounting seat; the buzzer is fixedly mounted on the scanning mechanism; and the signal input ends of the scanning mechanism and the driving module are in signal connection with the signal output ends of the holding sensing module and the detection module. According to the invention, the situation that a user is dizzy and unstable in standing in the process of performing a form test can be reduced.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular to a human body morphology tester. Background Art

[0002] The human body shape tester mainly uses optical measurement technology, computer technology, image processing technology, digital signal processing technology and other technologies to automatically measure the three-dimensional human body surface contour without contact. The human body full body (half body) scanning system makes full use of the advantages of fast optical three-dimensional scanning and harmless white light to the human body, and performs multi-angle and multi-directional instant scanning of the human body within 3-5 seconds.

[0003] In the prior art, common human body shape testers mainly include a scanning mechanism, a central controller and a rotating standing platform. The rotating standing platform is rotated at a specific angle, and the scanning mechanism is used to drive the laser and the high-speed camera to move up and down, so that the high-speed camera can collect the three-dimensional spatial information of the laser cutting the human body in all directions. The central controller processes the collected images to obtain various human body shape data (such as height, three dimensions, etc.), and displays them on the host computer.

[0004] However, during the human body shape detection process, users are prone to dizziness and unstable standing when standing on a rotating standing platform for scanning, which can easily affect the user experience and the accuracy of the test results. There is room for improvement. Utility Model Content

[0005] In order to reduce the occurrence of dizziness and unstable standing of users during morphological testing, the present application provides a human morphological testing instrument.

[0006] The human body shape tester provided in this application adopts the following technical solution:

[0007] A human body morphology tester comprises a standing platform, a mounting seat and a scanning mechanism, wherein the standing platform is fixedly mounted on the mounting seat, the scanning mechanism is rotatably mounted on the outer side wall of the mounting seat, and two armrests are arranged on the standing platform so as to be liftable;

[0008] as well as:

[0009] A gripping sensing module, installed on the two armrests, for sensing the gripping action of the user and outputting a detection trigger signal;

[0010] A driving module, mounted on the mounting seat, and used for driving the scanning mechanism to rotate around the standing platform at a constant speed;

[0011] A detection module, installed between the scanning mechanism and the mounting seat, connected to the signal output terminal of the gripping sensing module, and configured to receive the detection trigger signal and output a prompt signal when the scanning mechanism rotates one circle;

[0012] A buzzer, fixedly mounted on the scanning mechanism, connected to the signal output terminal of the detection module, for receiving the prompt signal and emitting a prompt sound;

[0013] The signal input ends of the scanning mechanism and the driving module are signal-connected with the signal output ends of the holding sensing module and the detection module. The scanning mechanism receives the detection trigger signal and starts, and the scanning mechanism receives the prompt signal and stops running.

[0014] By adopting the above technical solution, in the actual detection process, after the user stands on the standing platform, he can open his arms and hold the handrails. When the user holds the handrails with both hands, the holding sensing module senses the user's holding action and outputs a detection trigger signal; the driving module receives the detection trigger signal and drives the scanning mechanism to rotate at a constant speed with the mounting seat as the center, and the scanning mechanism starts to collect the user's three-dimensional image data; during the rotation of the scanning mechanism, the detection module detects the rotation angle of the scanning mechanism. When the scanning mechanism rotates one circle, the detection module controls the buzzer to emit a prompt sound to prompt the user that the scanning is completed, and at the same time controls the driving module and the scanning mechanism to stop running, so as to achieve the technical effect of automatically starting or shutting down the driving mechanism and the scanning mechanism. Among them, since the driving module drives the scanning mechanism to rotate at a constant speed with the mounting seat as the center, the user can avoid dizziness when standing on the standing platform, and the handrails on the standing platform are convenient for the user to grasp, reducing the occurrence of unstable standing of the user during the scanning process.

[0015] Preferably, the driving module comprises a gear ring and a first motor, a collar is rotatably mounted on the mounting seat, the gear ring is fixedly mounted on the collar, a mounting portion is fixedly mounted on the bottom of the scanning mechanism, and the mounting portion is fixedly mounted on the collar;

[0016] The cylinder of the first motor is fixedly mounted on the mounting seat, the driving shaft section of the first motor is mounted with a first gear, and the first gear is meshed with the gear ring;

[0017] The signal input end of the first motor is signal-connected to the signal output ends of the gripping sensing module and the detection module.

[0018] By adopting the above technical solution, when the user holds the armrest with both hands, the gripping sensing module outputs a detection trigger signal, the first motor drives the first gear to rotate, and the rotation of the first gear can drive the gear ring, the collar, and the scanning mechanism fixed on the collar to rotate at a constant speed, so as to achieve the technical effect of automatically driving the scanning mechanism to rotate to scan the user's body. When the scanning mechanism rotates one circle, the detection module outputs a prompt signal, which can control the first motor to stop rotating and stop driving the scanning mechanism to rotate.

[0019] Preferably, two telescopic mechanisms are fixedly installed on the standing platform, and the two armrests are fixedly installed on the top of the two telescopic mechanisms respectively; the gripping sensing module includes:

[0020] Two thin film pressure sensors, respectively fixedly mounted on the two armrests, for detecting the gripping pressure of the user and outputting a sensing pressure signal;

[0021] The first single chip microcomputer has a signal input terminal fixedly connected to the two film pressure sensors, and is used to receive the sensing pressure signal and output the detection trigger signal when both sensing pressures are greater than the set pressure value.

[0022] By adopting the above technical solution, when the user stands on the standing platform and holds the two handrails with both hands, the induced pressure value measured by the thin film pressure sensor increases. When both induced pressure values ​​increase to exceed the set pressure value, the first single-chip microcomputer outputs a detection trigger signal to control the first motor and the scanning mechanism to start, which can effectively improve the convenience of users using the morphological tester for testing.

[0023] Preferably, the telescopic mechanism comprises a first sleeve and a second sleeve, the bottom of the first sleeve is fixedly connected to the standing platform, and the second sleeve is coaxially sleeved on the outside of the first sleeve;

[0024] The inner side wall of the second sleeve is fixedly mounted with two racks arranged opposite to each other, and the opposite side wall of the first sleeve is penetrated with a slide groove for the two racks to extend into;

[0025] A second motor is fixedly mounted on the first sleeve, a second gear is mounted on the shaft end of the second motor extending into the first sleeve, and two sides of the second gear are meshed with the two racks;

[0026] The two handrails are fixedly mounted on the two second sleeves respectively.

[0027] By adopting the above technical solution, through the mutual coordination and use of the second motor, the second gear and the rack, the armrest can be adjusted according to the height of the user, so that the morphology tester can be used by different groups of people, thereby improving the usability of the morphology tester.

[0028] Preferably, annular grooves are respectively formed on the two handrails, the two thin film pressure sensors are respectively located on the inner walls of the annular grooves, and flexible silicone sleeves are respectively sleeved in the two annular grooves.

[0029] By adopting the above technical solution, the flexible silicone cover can improve the comfort of the user holding the armrest, and at the same time provide effective protection for the thin film pressure sensor. When the flexible silicone cover is dirty, the flexible silicone cover can be easily disassembled and cleaned.

[0030] Preferably, the detection module comprises:

[0031] An infrared transmitting end, fixedly mounted at the bottom of the mounting portion, connected to the signal output end of the first single-chip microcomputer, and used for receiving a detection trigger signal and transmitting infrared rays;

[0032] An infrared receiving end, fixedly mounted on the mounting base, opposite to the infrared transmitting end, and connected to the signal output end of the first single-chip microcomputer, for receiving the detection trigger signal and starting, and outputting a low-level signal when receiving infrared rays;

[0033] The second single chip microcomputer is signal-connected to the signal output terminal of the infrared receiving terminal, and is used for outputting the prompt signal when receiving the second low-level signal.

[0034] By adopting the above technical solution, when the user holds the armrest with both hands, the first single-chip microcomputer controls the infrared transmitting end and the infrared receiving end to start at the same time, the infrared receiving end receives infrared rays and outputs a first low-level signal, and when the scanning mechanism rotates one circle, the infrared transmitting end is opposite to the infrared receiving end again, and the infrared receiving end outputs a second low-level signal. The second single-chip microcomputer counts the low-level signals to determine that the scanning mechanism has completed the scanning, and can automatically control the first motor and the scanning mechanism to stop running.

[0035] In summary, the human body shape tester of the present application includes at least one of the following beneficial technical effects:

[0036] 1. In the actual detection process, after the user stands on the standing platform, he can open his arms and hold the armrests. When the user holds the armrests with both hands, the holding sensing module senses the user's holding action and outputs a detection trigger signal; the driving module receives the detection trigger signal and drives the scanning mechanism to rotate at a constant speed with the mounting seat as the center, and the scanning mechanism starts to collect the user's three-dimensional image data; during the rotation of the scanning mechanism, the detection module detects the rotation angle of the scanning mechanism. When the scanning mechanism rotates one circle, the detection module controls the buzzer to emit a prompt sound to prompt the user that the scanning is completed, and at the same time controls the driving module and the scanning mechanism to stop running, so as to achieve the technical effect of automatically starting or shutting down the driving mechanism and the scanning mechanism; among which, since the driving module drives the scanning mechanism to rotate at a constant speed with the mounting seat as the center, the user can avoid dizziness caused by standing on the standing platform and rotating, and the armrests on the standing platform are convenient for the user to grasp, reducing the occurrence of unstable standing of the user during the scanning process;

[0037] 2. By matching and using the second motor, the second gear and the rack, the armrest can be adjusted according to the height of the user, so that the morphology tester can be used by different groups of people, thereby improving the usability of the morphology tester;

[0038] 3. The flexible silicone cover can improve the comfort of the user holding the armrest, and at the same time provide effective protection for the thin film pressure sensor. When the flexible silicone cover is dirty, the flexible silicone cover can be easily disassembled and cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of an embodiment of the present application for demonstrating the overall structure of a morphology tester.

[0040] Figure 2 It is a schematic diagram of an embodiment of the present application for illustrating the overall structure of the handrail.

[0041] Figure 3 It is a schematic diagram of an embodiment of the present application for illustrating the overall structure of the telescopic mechanism.

[0042] Figure 4 It is a schematic diagram used to illustrate the internal structure of the first sleeve and the second sleeve in an embodiment of the present application.

[0043] Figure 5 The embodiment of the present application is a schematic diagram for showing the internal signal transmission of the morphology tester.

[0044] Explanation of the accompanying drawings: 1. Standing platform; 2. Mounting seat; 3. Scanning mechanism; 31. Buzzer; 32. Mounting part; 4. Armrest; 41. Ring groove; 42. Flexible silicone sleeve; 5. Grip sensing module; 51. Thin film pressure sensor; 6. Driving module; 61. Ring gear; 62. First motor; 63. Ring; 64. First gear; 7. Detection module; 71. Infrared transmitting end; 72. Infrared receiving end; 8. Telescopic mechanism; 81. First sleeve; 82. Second sleeve; 83. Rack; 84. Slide; 85. Second motor; 86. Second gear. DETAILED DESCRIPTION

[0045] The following is combined with Figure 1-5 This application is described in further detail.

[0046] Example

[0047] The present application embodiment discloses a human body shape tester. Figure 1-Figure 5 , including a standing platform 1, a mounting seat 2 and a scanning mechanism 3, the standing platform 1 is fixedly mounted on the mounting seat 2, the scanning mechanism 3 is rotatably mounted on the outer wall of the mounting seat 2, and two armrests 4 are liftably provided on the standing platform 1.

[0048] And: a holding sensing module 5, installed on the two armrests 4, for sensing the user's holding action and outputting a detection trigger signal; a driving module 6, installed on the mounting base 2, for driving the scanning mechanism 3 to rotate at a constant speed around the standing platform 1; a detection module 7, installed between the scanning mechanism 3 and the mounting base 2, connected to the signal output end of the holding sensing module 5, for receiving the detection trigger signal and outputting a prompt signal when the scanning mechanism 3 rotates one circle; a buzzer 31, fixedly installed on the scanning mechanism 3, connected to the signal output end of the detection module 7, for receiving the prompt signal and emitting a prompt sound.

[0049] The signal input ends of the scanning mechanism 3 and the driving module 6 are connected to the signal output ends of the holding sensing module 5 and the detection module 7. The scanning mechanism 3 receives the detection trigger signal and starts, and the scanning mechanism 3 receives the prompt signal and stops running.

[0050] In the actual detection process, after the user stands on the standing platform 1, he can open his arms and hold the armrests 4. When the user holds the armrests 4 with both hands, the holding sensing module 5 senses the user's holding action and outputs a detection trigger signal; the driving module 6 receives the detection trigger signal and drives the scanning mechanism 3 to rotate at a constant speed with the mounting base 2 as the center, and at the same time the scanning mechanism 3 starts to collect the user's three-dimensional image data; during the rotation of the scanning mechanism 3, the detection module 7 detects the rotation angle of the scanning mechanism 3. When the scanning mechanism 3 rotates one circle, the detection module 7 controls the buzzer 31 to emit a prompt sound to prompt the user that the scanning is completed, and at the same time controls the driving module 6 and the scanning mechanism 3 to stop running, thereby achieving the technical effect of automatically starting or shutting down the driving mechanism and the scanning mechanism 3.

[0051] Among them, since the driving module 6 drives the scanning mechanism 3 to rotate at a constant speed with the mounting base 2 as the center, the user can be prevented from getting dizzy when standing on the standing platform 1. At the same time, the armrests 4 on the standing platform 1 are convenient for the user to grasp, reducing the occurrence of unstable standing of the user during the scanning process.

[0052] Reference Figure 1 , Figure 2 as well as Figure 5 The driving module 6 includes a ring gear 61 and a first motor 62. A ring gear 63 is rotatably mounted on the mounting seat 2. The ring gear 61 is fixedly mounted on the ring gear 63. A mounting portion 32 is fixedly mounted on the bottom of the scanning mechanism 3, and the mounting portion 32 is fixedly mounted on the ring gear 63. The cylinder body of the first motor 62 is fixedly mounted on the mounting seat 2. A first gear 64 is mounted on the driving shaft section of the first motor 62, and the first gear 64 is meshed with the ring gear 61. The signal input end of the first motor 62 is connected to the signal output end of the holding sensing module 5 and the detection module 7.

[0053] When the user holds the armrest 4 with both hands, the gripping sensing module 5 outputs a detection trigger signal, and the first motor 62 drives the first gear 64 to rotate. The rotation of the first gear 64 can drive the gear ring 61, the collar 63, and the scanning mechanism 3 fixed on the collar 63 to rotate at a constant speed, which can achieve the technical effect of automatically driving the scanning mechanism 3 to rotate to scan the user's body. After the scanning mechanism 3 rotates one circle, the detection module 7 outputs a prompt signal, which can control the first motor 62 to stop rotating and stop driving the scanning mechanism 3 to rotate.

[0054] In the embodiment of the present application, a universal wheel is fixedly installed at the bottom of the mounting portion 32 . During the rotation of the scanning mechanism 3 , the universal wheel can form a support for the scanning mechanism 3 , which can effectively improve the rotation stability of the scanning mechanism 3 .

[0055] Reference Figure 1 , Figure 2 as well as Figure 3Two telescopic mechanisms 8 are fixedly installed on the standing platform 1, and two armrests 4 are fixedly installed on the top of the two telescopic mechanisms 8 respectively; the gripping sensing module 5 includes: two thin film pressure sensors 51, which are fixedly installed on the two armrests 4 respectively, for detecting the user's gripping pressure and outputting a sensing pressure signal; a first single-chip microcomputer, whose signal input end is fixedly connected to the two thin film pressure sensors 51, for receiving the sensing pressure signal and outputting a detection trigger signal when both sensing pressures are greater than the set pressure value.

[0056] When the user stands on the standing platform 1 and holds the two handrails 4 with both hands, the induced pressure value measured by the film pressure sensor 51 increases. When the two induced pressure values ​​increase to exceed the set pressure value, the first single-chip microcomputer outputs a detection trigger signal to control the first motor 62 and the scanning mechanism 3 to start, which can effectively improve the convenience of the user using the morphology tester for testing.

[0057] Reference Figure 3 and Figure 4 The telescopic mechanism 8 includes a first sleeve 81 and a second sleeve 82. The bottom of the first sleeve 81 is fixedly connected to the standing platform 1, and the second sleeve 82 is coaxially sleeved on the outside of the first sleeve 81; two oppositely arranged racks 83 are fixedly installed on the inner side wall of the second sleeve 82, and a slide groove 84 for the two racks 83 to extend into is penetrated and opened on the opposite side walls of the first sleeve 81; a second motor 85 is fixedly installed on the first sleeve 81, and a second gear 86 is installed on the shaft end of the second motor 85 extending into the first sleeve 81, and the two sides of the second gear 86 are meshed with the two racks 83; the two handrails 4 are fixedly installed on the two second sleeves 82 respectively.

[0058] By matching and using the second motor 85, the second gear 86 and the rack 83, the armrest 4 can be adjusted according to the height of the user, so that the morphology tester can be used by different groups of people, thereby improving the usability of the morphology tester.

[0059] It should be noted that the second motor 85 is connected to the host computer that controls the morphology tester via a Bluetooth module, and the host computer can control the second motor 85 to drive the second sleeve 82 to move up and down to control the armrest 4 to move up and down.

[0060] Reference Figure 2 , annular grooves 41 are respectively formed on the two handrails 4 , two thin film pressure sensors 51 are respectively located on the inner walls of the annular grooves 41 , and flexible silicone sleeves 42 are respectively sleeved in the two annular grooves 41 .

[0061] The flexible silicone sleeve 42 can improve the comfort of the user holding the armrest 4, and at the same time can provide effective protection for the thin film pressure sensor 51. When the flexible silicone sleeve 42 is dirty, the flexible silicone sleeve 42 can be easily disassembled and cleaned.

[0062] Reference Figure 1 and Figure 5 The detection module 7 includes: an infrared transmitting end 71, which is fixedly installed at the bottom of the mounting portion 32, and is signal-connected to the signal output end of the first single-chip microcomputer, for receiving a detection trigger signal and emitting infrared rays; an infrared receiving end 72, which is fixedly installed on the mounting base 2, opposite to the infrared transmitting end 71, and is signal-connected to the signal output end of the first single-chip microcomputer, for receiving a detection trigger signal and starting, and outputting a low-level signal when receiving infrared rays; a second single-chip microcomputer, which is signal-connected to the signal output end of the infrared receiving end 72, and is used to output a prompt signal when receiving a second low-level signal.

[0063] When the user holds the armrest 4 with both hands, the first single-chip microcomputer controls the infrared transmitting end 71 and the infrared receiving end 72 to start at the same time, the infrared receiving end 72 receives infrared rays and outputs a first low-level signal. When the scanning mechanism 3 rotates one circle, the infrared transmitting end 71 is opposite to the infrared receiving end 72 again, and the infrared receiving end 72 outputs a second low-level signal. The second single-chip microcomputer counts the low-level signals to determine that the scanning mechanism 3 has completed the scanning, and can automatically control the first motor 62 and the scanning mechanism 3 to stop running.

[0064] The implementation principle of a human body morphology tester in the embodiment of the present application is as follows: in the actual detection process, after the user stands on the standing platform 1, he can open his arms and hold the armrests 4. When the user holds the armrests 4 with both hands, the holding sensing module 5 senses the user's holding action and outputs a detection trigger signal; the driving module 6 receives the detection trigger signal and drives the scanning mechanism 3 to rotate at a constant speed with the mounting seat 2 as the center, and the scanning mechanism 3 starts to collect the three-dimensional image data of the user; during the rotation of the scanning mechanism 3, the detection module 7 detects the rotation angle of the scanning mechanism 3. When the scanning mechanism 3 rotates one circle, the detection module 7 controls the buzzer 31 to emit a prompt sound to prompt the user that the scanning is completed, and at the same time controls the driving module 6 and the scanning mechanism 3 to stop running, so as to achieve the technical effect of automatically starting or shutting down the driving mechanism and the scanning mechanism 3; wherein, since the driving module 6 drives the scanning mechanism 3 to rotate at a constant speed with the mounting seat 2 as the center, the user can be prevented from being dizzy when standing on the standing platform 1, and the armrest 4 on the standing platform 1 can be easily grasped by the user, reducing the occurrence of unstable standing of the user during the scanning process.

[0065] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A human body shape tester, characterized in that: The invention comprises a standing platform (1), a mounting seat (2) and a scanning mechanism (3), wherein the standing platform (1) is fixedly mounted on the mounting seat (2), the scanning mechanism (3) is rotatably mounted on the outer side wall of the mounting seat (2), and the standing platform (1) is provided with two armrests (4) which can be raised and lowered; as well as: A gripping sensing module (5), installed on the two armrests (4), for sensing a user's gripping action and outputting a detection trigger signal; A driving module (6) is mounted on the mounting seat (2) and is used to drive the scanning mechanism (3) to rotate at a constant speed around the standing platform (1); A detection module (7) is installed between the scanning mechanism (3) and the mounting seat (2), and is signal-connected to the signal output end of the gripping sensing module (5), and is used to receive the detection trigger signal and output a prompt signal when the scanning mechanism (3) rotates one circle; A buzzer (31) is fixedly mounted on the scanning mechanism (3) and is connected to the signal output terminal of the detection module (7) for receiving the prompt signal and emitting a prompt sound; The signal input ends of the scanning mechanism (3) and the driving module (6) are signal-connected to the signal output ends of the holding sensing module (5) and the detection module (7); the scanning mechanism (3) receives the detection trigger signal and starts; and the scanning mechanism (3) receives the prompt signal and stops.

2. A human body shape tester according to claim 1, characterized in that: The driving module (6) comprises a gear ring (61) and a first motor (62); a collar (63) is rotatably mounted on the mounting seat (2); the gear ring (61) is fixedly mounted on the collar (63); a mounting portion (32) is fixedly mounted on the bottom of the scanning mechanism (3); and the mounting portion (32) is fixedly mounted on the collar (63); The cylinder of the first motor (62) is fixedly mounted on the mounting seat (2); the driving shaft section of the first motor (62) is mounted with a first gear (64); the first gear (64) is meshed with the ring gear (61); The signal input end of the first motor (62) is signal-connected to the signal output ends of the gripping sensing module (5) and the detection module (7).

3. A human body shape tester according to claim 2, characterized in that: Two telescopic mechanisms (8) are fixedly mounted on the standing platform (1), and the two armrests (4) are respectively fixedly mounted on the top of the two telescopic mechanisms (8); the gripping sensing module (5) comprises: Two thin film pressure sensors (51) are respectively fixedly mounted on the two armrests (4) and are used to detect the gripping pressure of the user and output a sensed pressure signal; The first single chip microcomputer has a signal input end fixedly connected to the two thin film pressure sensors (51) and is used to receive the sensing pressure signal and output the detection trigger signal when both sensing pressures are greater than a set pressure value.

4. A human body shape tester according to claim 3, characterized in that: The telescopic mechanism (8) comprises a first sleeve (81) and a second sleeve (82), the bottom of the first sleeve (81) is fixedly connected to the standing platform (1), and the second sleeve (82) is coaxially sleeved on the outside of the first sleeve (81); Two racks (83) arranged opposite to each other are fixedly mounted on the inner side wall of the second sleeve (82), and a slide groove (84) for the two racks (83) to extend into is formed through the opposite side wall of the first sleeve (81); A second motor (85) is fixedly mounted on the first sleeve (81); a second gear (86) is mounted on the shaft end of the second motor (85) extending into the first sleeve (81); two sides of the second gear (86) are meshed with the two racks (83); The two handrails (4) are fixedly mounted on the two second sleeves (82) respectively.

5. A human body shape tester according to claim 3, characterized in that: An annular groove (41) is formed on each of the two handrails (4), the two thin film pressure sensors (51) are located on the inner wall of the annular groove (41), and a flexible silicone sleeve (42) is sleeved in each of the two annular grooves (41).

6. A human body shape tester according to claim 3, characterized in that: The detection module (7) comprises: An infrared transmitting end (71) is fixedly mounted on the bottom of the mounting portion (32), is signal-connected to the signal output end of the first single-chip microcomputer, and is used to receive a detection trigger signal and transmit infrared rays; An infrared receiving end (72) is fixedly mounted on the mounting base (2), opposite to the infrared transmitting end (71), and connected to the signal output end of the first single-chip microcomputer, and is used to receive the detection trigger signal and start, and output a low-level signal when receiving infrared rays; The second single chip microcomputer is signal-connected to the signal output terminal of the infrared receiving terminal (72) and is used to output the prompt signal when receiving the second low-level signal.

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