Lie detection auxiliary device

Abstract

The invention relates to the field of lie detection, in particular to a lie detection auxiliary device which comprises two moving platforms, a supporting platform is fixedly connected between the two moving platforms, armrest mechanisms are rotationally connected to the two moving platforms, a back mechanism is fixedly connected to one side of the supporting platform, and a mounting mechanism is fixedly connected to the back mechanism; the moving platform comprises a crawler belt mechanism, and a telescopic mechanism I is fixedly connected to the crawler belt mechanism; the supporting platform comprises a supporting plate, the supporting plate is fixedly connected between the telescopic ends of the two telescopic mechanisms I, two telescopic mechanisms II are fixedly connected to the bottom of the supporting plate, sliding plates are fixedly connected to the telescopic ends of the two telescopic mechanisms II, and the two sliding plates are slidably connected to the supporting plate; multiple indexes such as facial expression, voice pressure, heart rate and blood pressure of a detected lie person can be detected, and lie detection is assisted.

Description

Technical Field

[0001] The invention relates to the field of lie detection, and more particularly to a lie detection auxiliary device. Background Art

[0002] Polygraph auxiliary devices generally refer to some equipment or technologies used to assist in detecting lies or evaluating the truth. These devices generally include: multi-channel physiological measuring instruments, voice stress analyzers and facial expression analysis software, etc. For example, publication number CN202235407U discloses a polygraph riding device. Its structural design can ensure the stability of the ride, but it cannot meet the needs of testing multiple indicators such as facial expressions, voice pressure, heart rate and blood pressure of the person being polygraphed during actual use. Summary of the invention

[0003] The purpose of the present invention is to provide a lie detection auxiliary device, which can detect multiple indicators such as facial expression, voice pressure, heart rate and blood pressure of the person being lied on, so as to assist in lie detection.

[0004] The purpose of the present invention is achieved through the following technical solutions:

[0005] A lie detection auxiliary device comprises two mobile platforms, a support platform is fixedly connected between the two mobile platforms, an armrest mechanism is rotatably connected to both mobile platforms, a back mechanism is fixedly connected to one side of the support platform, and a mounting mechanism is fixedly connected to the back mechanism;

[0006] The mobile platform comprises a crawler mechanism, and a telescopic mechanism I is fixedly connected to the crawler mechanism;

[0007] The support platform includes a support plate, the support plate is fixedly connected between the telescopic ends of the two telescopic mechanisms I, the bottom of the support plate is fixedly connected to two telescopic mechanisms II, the telescopic ends of the two telescopic mechanisms II are fixedly connected to sliding plates, and the two sliding plates are slidably connected to the support plate;

[0008] The armrest mechanism comprises a rotating shaft, the rotating shaft is rotatably connected to the telescopic end of the telescopic mechanism I, the rotating shaft is fixedly connected to a rotating bracket, the rotating bracket is fixedly connected to the armrest bracket, the rotating bracket is rotatably connected to a screw rod, the screw rod is threadedly connected to a sliding seat, the sliding seat is slidably connected to the armrest bracket, the sliding seat is fixedly connected to the telescopic mechanism III, and the telescopic end of the telescopic mechanism III is fixedly connected to the mounting seat I;

[0009] The telescopic end of the telescopic mechanism I is fixedly connected to a power mechanism that drives the rotating shaft to rotate.

[0010] Ⅰ, a power mechanism Ⅱ for driving a screw rod to rotate is fixedly connected to the rotating bracket;

[0011] The mounting seat I is provided with a blood pressure detection instrument and a heart rate detection instrument;

[0012] The back mechanism includes a telescopic mechanism IV, which is fixedly connected to the lower end of a sliding plate, a drive motor I is fixedly connected to the telescopic end of the telescopic mechanism IV, a support back plate I is fixedly connected to the output shaft of the drive motor I, a telescopic mechanism V is fixedly connected to the support back plate I, a drive motor II is fixedly connected to the telescopic end of the telescopic mechanism V, and a support back plate II is fixedly connected to the output shaft of the drive motor II;

[0013] The mounting mechanism includes a drive motor III, which is fixedly connected to the rear side of the support back plate II;

[0014] The output shaft of the driving motor III is fixedly connected to a telescopic mechanism VI, and the telescopic end of the telescopic mechanism VI is fixedly connected to a mounting seat II;

[0015] The mounting seat II is provided with a facial expression detection instrument and a voice pressure detection instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a structural schematic diagram of the polygraph auxiliary device of the present invention;

[0018] Figure 2 It is a structural schematic diagram of the polygraph auxiliary device of the present invention;

[0019] Figure 3 It is a schematic diagram of the structure of the mobile platform of the present invention;

[0020] Figure 4 It is a schematic diagram of the support platform structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the support platform structure of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of the armrest mechanism of the present invention;

[0023] Figure 7 It is a schematic diagram of the back mechanism structure of the present invention;

[0024] Figure 8 It is a schematic diagram of the installation mechanism structure of the present invention.

[0025] In the figure: moving platform 10; crawler mechanism 11; telescopic mechanism I 12; supporting platform 20; supporting plate 21; telescopic mechanism II 22; sliding plate 23; armrest mechanism 30; rotating shaft 31; rotating bracket 32; armrest bracket 33; screw rod 34; sliding seat 35; telescopic mechanism III 36; mounting seat I 37; back mechanism 40; telescopic mechanism IV 41; driving motor I 42; supporting back plate I 43; telescopic mechanism V 44; driving motor II 45; supporting back plate II 46; mounting mechanism 50; driving motor III 51; telescopic mechanism VI 52; mounting seat II 53. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below with reference to the accompanying drawings.

[0027] like Figures 1 to 8 As shown, in order to achieve the technical effect of "being able to detect multiple indicators such as facial expressions, voice pressure, heart rate and blood pressure of the person being lied on, and assist in lie detection", the structure and function of a lie detection auxiliary device are described in detail below;

[0028] A lie detection auxiliary device includes two mobile platforms 10, a support platform 20 is fixedly connected between the two mobile platforms 10, an armrest mechanism 30 is rotatably connected to both of the two mobile platforms 10, a back mechanism 40 is fixedly connected to one side of the support platform 20, and a mounting mechanism 50 is fixedly connected to the back mechanism 40;

[0029] When using, Figure 1 As shown, the person being lied on sits on the support platform 20, and the two hands of the person being lied on are placed on two armrest mechanisms 30 respectively. The armrest mechanisms 30 are equipped with a blood pressure detection instrument and a heart rate detection instrument for detecting the blood pressure and heart rate of the person being lied on. The blood pressure detection instrument and the heart rate detection instrument here can be any commonly used in the art as long as they can detect blood pressure and heart rate. The back of the person being lied on is in contact with the back mechanism 40, and the mounting mechanism 50 covers the face of the person being lied on. The mounting seat II 53 is equipped with a facial expression detection instrument and a voice pressure detection instrument for detecting the voice pressure and facial expression of the person being lied on. The facial expression detection instrument and the voice pressure detection instrument here can be any commonly used in the art as long as they can detect facial expression and facial expression, thereby achieving the technical effect of detecting multiple indicators such as facial expression, voice pressure, heart rate and blood pressure of the person being lied on, and assisting in lie detection.

[0030] The mobile platform 10 includes a crawler mechanism 11, and a telescopic mechanism I 12 is fixedly connected to the crawler mechanism 11;

[0031] The support platform 20 includes a support plate 21, which is fixedly connected between the telescopic ends of the two telescopic mechanisms I12, and the bottom of the support plate 21 is fixedly connected to two telescopic mechanisms II22, and the telescopic ends of the two telescopic mechanisms II22 are fixedly connected to sliding plates 23, and the two sliding plates 23 are slidably connected to the support plate 21;

[0032] The armrest mechanism 30 includes a rotating shaft 31, the rotating shaft 31 is rotatably connected to the telescopic end of the telescopic mechanism I12, a rotating bracket 32 ​​is fixedly connected to the rotating shaft 31, a handrail bracket 33 is fixedly connected to the rotating bracket 32, a screw rod 34 is rotatably connected to the screw rod 34, a sliding seat 35 is threadedly connected to the screw rod 34, the sliding seat 35 is slidably connected to the handrail bracket 33, a telescopic mechanism III36 is fixedly connected to the sliding seat 35, and a mounting seat I37 is fixedly connected to the telescopic end of the telescopic mechanism III36;

[0033] The telescopic end of the telescopic mechanism I 12 is fixedly connected to a power mechanism I for driving the rotating shaft 31 to rotate, and the rotating bracket 32 ​​is fixedly connected to a power mechanism II for driving the screw rod 34 to rotate;

[0034] The mounting seat I37 is provided with a blood pressure detection instrument and a heart rate detection instrument;

[0035] The back mechanism 40 includes a telescopic mechanism IV41, which is fixedly connected to the lower end of a sliding plate 23, a driving motor I42 is fixedly connected to the telescopic end of the telescopic mechanism IV41, a supporting back plate I43 is fixedly connected to the output shaft of the driving motor I42, a telescopic mechanism V44 is fixedly connected to the supporting back plate I43, a driving motor II45 is fixedly connected to the telescopic end of the telescopic mechanism V44, and a supporting back plate II46 is fixedly connected to the output shaft of the driving motor II45;

[0036] The mounting mechanism 50 includes a drive motor III 51, which is fixedly connected to the rear side of the support back plate II 46;

[0037] The output shaft of the driving motor III 51 is fixedly connected with a telescopic mechanism VI 52 , and the telescopic end of the telescopic mechanism VI 52 is fixedly connected with a mounting seat II 53 ;

[0038] The mounting seat II53 is provided with a facial expression detection instrument and a voice pressure detection instrument;

[0039] When using, Figure 1As shown, the person being tested sits on the support plate 21 and the two sliding plates 23. When the device needs to move, the crawler mechanism 11 can be started. The crawler mechanism 11 can be a movable crawler structure commonly used in the prior art. The crawler mechanism 11 drives the polygraph auxiliary device to move, so that the polygraph auxiliary device moves to different positions according to the use requirements.

[0040] Further, the telescopic mechanism Ⅰ12 can be started. The telescopic mechanism Ⅰ12 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism Ⅰ12 drives the support platform 20 to move, thereby adjusting the height of the support platform 20;

[0041] Further, the telescopic mechanism II 22 is started. The telescopic mechanism II 22 may be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism II 22 drives the sliding plate 23 to move, so that the sliding plate 23 slides on the support plate 21, thereby adjusting the area of ​​the support platform 20 to meet different riding requirements.

[0042] Furthermore, the hands of the person being lied on are placed on two armrest brackets 33 respectively, and a blood pressure detection instrument and a heart rate detection instrument are installed on the sliding seat 35 to detect the blood pressure and heart rate of the person being lied on. The blood pressure detection instrument and the heart rate detection instrument here can be any one commonly used in the art as long as they can detect the blood pressure and heart rate;

[0043] Start the power mechanism I, which is preferably a servo motor. The output shaft of the power mechanism I drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the rotating bracket 32 ​​to rotate, thereby adjusting the angle of the rotating bracket 32. Start the power mechanism II, and the output shaft of the power mechanism II starts to rotate. The output shaft of the power mechanism II drives the screw rod 34 to rotate. When the screw rod 34 rotates, it drives the sliding seat 35 to move through the thread, so that the sliding seat 35 slides on the armrest bracket 33, thereby adjusting the position of the sliding seat 35. Start the telescopic mechanism III 36, which can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism III 36 drives the sliding seat 35 to move, thereby adjusting the height of the sliding seat 35, so that the sliding seat 35 drives the blood pressure detection instrument and the heart rate detection instrument to move to the specified position;

[0044] Further, the telescopic mechanism IV41 can be started, and the telescopic mechanism IV41 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism IV41 drives the driving motor I42 to rotate, and the driving motor I42 is started. The output shaft of the driving motor I42 starts to rotate, and the output shaft of the driving motor I42 drives the supporting back plate I43 to swing, thereby adjusting the position and angle of the supporting back plate I43;

[0045] Further, the telescopic mechanism V44 is started. The telescopic mechanism V44 may be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism V44 drives the driving motor II45 to move. The driving motor II45 is started. The output shaft of the driving motor II45 starts to rotate. The output shaft of the driving motor II45 drives the supporting back plate II46 to swing, thereby adjusting the position and angle of the supporting back plate II46.

[0046] Furthermore, a facial expression detection instrument and a voice pressure detection instrument are installed on the mounting seat Ⅱ53, and the driving motor Ⅲ51 is started. The output shaft of the driving motor Ⅲ51 starts to rotate, and the output shaft of the driving motor Ⅲ51 drives the telescopic mechanism Ⅵ52 to move. The telescopic mechanism Ⅵ52 drives the mounting seat Ⅱ53 to move, and the angle of the mounting seat Ⅱ53 is adjusted. The telescopic mechanism Ⅵ52 is started. The telescopic mechanism Ⅵ52 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism Ⅵ52 drives the mounting seat Ⅱ53 to move, and then the position of the mounting seat Ⅱ53 is adjusted so that the mounting seat Ⅱ53 covers the human face. The facial expression detection instrument and the voice pressure detection instrument are installed on the mounting seat Ⅱ53 to detect the voice pressure and facial expression of the person being lied.

Claims

1. A polygraph auxiliary device, comprising two mobile platforms (10), characterized in that: A support platform (20) is fixedly connected between the two mobile platforms (10), an armrest mechanism (30) is rotatably connected to both the two mobile platforms (10), a back mechanism (40) is fixedly connected to one side of the support platform (20), and a mounting mechanism (50) is fixedly connected to the back mechanism (40).

2. A polygraph assisting device according to claim 1, characterized in that: The mobile platform (10) comprises a crawler mechanism (11), and a telescopic mechanism I (12) is fixedly connected to the crawler mechanism (11).

3. A polygraph assisting device according to claim 2, characterized in that: The support platform (20) comprises a support plate (21), the support plate (21) being fixedly connected between the telescopic ends of two telescopic mechanisms I (12), the bottom of the support plate (21) being fixedly connected to two telescopic mechanisms II (22), the telescopic ends of the two telescopic mechanisms II (22) being fixedly connected to sliding plates (23), and the two sliding plates (23) being slidably connected to the support plate (21).

4. A polygraph assisting device according to claim 2, characterized in that: The armrest mechanism (30) comprises a rotating shaft (31), the rotating shaft (31) is rotatably connected to the telescopic end of the telescopic mechanism I (12), the rotating shaft (31) is fixedly connected to a rotating bracket (32), the rotating bracket (32) is fixedly connected to an armrest bracket (33), the rotating bracket (32) is rotatably connected to a screw rod (34), the screw rod (34) is threadedly connected to a sliding seat (35), the sliding seat (35) is slidably connected to the armrest bracket (33), the sliding seat (35) is fixedly connected to a telescopic mechanism III (36), and the telescopic end of the telescopic mechanism III (36) is fixedly connected to a mounting seat I (37).

5. A polygraph assisting device according to claim 4, characterized in that: A power mechanism I for driving the rotating shaft (31) to rotate is fixedly connected to the telescopic end of the telescopic mechanism I (12), and a power mechanism II for driving the screw rod (34) to rotate is fixedly connected to the rotating bracket (32).

6. A polygraph assisting device according to claim 4, characterized in that: The mounting seat I (37) is provided with a blood pressure detection instrument and a heart rate detection instrument.

7. A polygraph assisting device according to claim 3, characterized in that: The back mechanism (40) comprises a telescopic mechanism IV (41), the telescopic mechanism IV (41) is fixedly connected to the lower end of a sliding plate (23), the telescopic end of the telescopic mechanism IV (41) is fixedly connected to a driving motor I (42), the output shaft of the driving motor I (42) is fixedly connected to a supporting back plate I (43), the supporting back plate I (43) is fixedly connected to a telescopic mechanism V (44), the telescopic end of the telescopic mechanism V (44) is fixedly connected to a driving motor II (45), and the output shaft of the driving motor II (45) is fixedly connected to a supporting back plate II (46).

8. A polygraph assisting device according to claim 7, characterized in that: The mounting mechanism (50) comprises a driving motor III (51), and the driving motor III (51) is fixedly connected to the rear side of the supporting back plate II (46).

9. A polygraph assisting device according to claim 8, characterized in that: The output shaft of the driving motor III (51) is fixedly connected with a telescopic mechanism VI (52), and the telescopic end of the telescopic mechanism VI (52) is fixedly connected with a mounting seat II (53).

10. A polygraph assisting device according to claim 9, characterized in that: The mounting seat II (53) is provided with a facial expression detection instrument and a voice pressure detection instrument.

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