Intelligent lie detector for psychological teaching

Abstract

The utility model relates to the technical field of lie detectors, and discloses an intelligent lie detector for psychological teaching, which comprises a lie detector main body and two air blowing structures, the upper surface of the lie detector main body is provided with a placing groove, the lower inner wall of the placing groove is fixedly provided with an inductor, each air blowing structure comprises an outer frame, the inner wall of the outer frame is provided with a fan, and the fan is fixedly installed on the outer frame. Through holes are formed in the left surface and the right surface of the lie detector body, a first through hole plate is arranged on the outer surface of the outer frame, a second through hole plate is fixedly installed on the surfaces of the through holes, and a third through hole plate is fixedly installed on the lower inner wall of the containing groove. Therefore, the effect of blow-drying the hand sweat in the palm of the tested person can be achieved, and the situation that the tested person is more nervous due to the hand sweat caused by excessive tension, and the test result is affected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polygraph technical field, concretely is a kind of intelligent polygraph for psychological teaching. BACKGROUND

[0002] Polygraph is a kind of scientific instrument for recording various physiological changes (respiration, pulse, frequency, blood pressure and skin humidity etc.) when person changes in mood. The principle of polygraph is: when most people lie or are influenced by relevant emotional words, a series of changes in autonomic nervous system function will occur, and detecting these changes can reflect the emotional state of the subject at that time, and whether the answer is true. The polygraph result made by personnel with special training and certain practical experience can reach 75%〜80% accuracy, has certain reference value for case trial, but cannot be used as evidence, because 15%〜20% of the results are unreliable, and 5% of the results are suspicious.

[0003] When polygraph is testing, the measured personnel need to tightly paste hand in special recess, but long-time pasting will lead to the hand sweat of measured personnel, so that measured personnel appear nervous feeling, thereby affecting the heart rate of measured personnel, and causing unnecessary influence to detection structure. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a kind of intelligent polygraph for psychological teaching to solve the problem that the hand sweat of measured personnel cannot be handled in the background technique mentioned above, so that measured personnel appear nervous and affect heart rate, and further cause the influence to detection result.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of intelligent polygraph for psychological teaching, including polygraph main body, two blow structure, the upper surface of polygraph main body is equipped with placement groove, the lower inner wall of placement groove is fixedly installed with inductor;

[0006] The blow structure includes outer frame, the inner wall of outer frame is provided with fan, the left and right surfaces of polygraph main body are provided with through-hole, the outer surface of outer frame is provided with first through-hole plate, the surface of through-hole is fixedly installed with second through-hole plate, the lower inner wall of placement groove is fixedly installed with third through-hole plate.

[0007] Preferably, the right surface of the polygraph body is provided with a first groove, a screw rod is movably installed on the inner wall of the first groove, a threaded block is threadedly connected to the outer surface of the screw rod, a connecting block is fixedly installed on the right surface of the threaded block, a knob is movably installed on the upper surface of the polygraph body, a fixed plate is fixedly installed on the left surface of the connecting block, a silica gel pad is fixedly installed on the upper surface of the fixed plate, and a second groove is formed in the right surface of the polygraph body, and a sliding column is movably installed on the inner wall of the second groove.

[0008] Preferably, the inner wall of the placing groove is fixedly installed with a first elastic band and a second elastic band, respectively, and the upper inner wall of the placing groove is fixedly installed with a heart rate sensor.

[0009] Preferably, the inductor is electrically connected with the polygraph body, the inside of the outer frame is in communication with the inside of the through hole through a second through hole plate, the inside of the through hole is in communication with the inside of the placing groove through a third through hole plate, and the inside of the outer frame is in communication with the outside through a first through hole plate.

[0010] Preferably, the lower end of the knob is fixedly connected with the upper surface of the screw rod, the inner wall of the first groove is movably connected with the front and rear surfaces of the threaded block, a sliding block is slidably connected to the outer surface of the sliding column, and the right surface of the sliding block is fixedly connected with a connecting block.

[0011] Preferably, the heart rate sensor is electrically connected with the polygraph body.

[0012] Compared with the prior art, the polygraph has the advantages that:

[0013] 1. The intelligent polygraph for psychological teaching can dry the hand sweat in the palm of the measured person, avoids excessive nervousness and hand sweat, and prevents the measured person from being more nervous and affecting the test result.

[0014] 2. The intelligent polygraph for psychological teaching can be installed and fixed on a desk plate with different thicknesses, avoids movement of the polygraph body during testing, affects the test result, protects the polygraph body, and prevents the polygraph body from falling off the desk. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is a front sectional three-dimensional structure schematic diagram of the utility model;

[0017] Fig. 3 It is the upper profile right side three-dimensional structure schematic view of the utility model.

[0018] In the drawing: 1, polygraph main body; 2, placing groove; 3, inductor; 4, outer frame; 5, fan; 6, through hole; 7, first through hole plate; 8, second through hole plate; 9, third through hole plate; 10, first recess; 11, screw rod; 12, connecting block; 13, knob; 14, fixed plate; 15, silica gel pad; 16, second recess; 17, slide column; 18, first elastic band; 19, second elastic band; 20, heart rate sensor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Embodiment 1:

[0021] Please refer to Figs. 1-3 A kind of intelligent polygraph for psychological teaching, including polygraph main body 1, two blow structures, polygraph main body 1 upper surface is set with placing groove 2, placing groove 2 lower inner wall is fixedly installed with inductor 3;

[0022] Blow structure includes outer frame 4, the inner wall of outer frame 4 is provided with fan 5, the left and right surfaces of polygraph main body 1 are provided with through hole 6, the outer surface of outer frame 4 is provided with first through hole plate 7, the surface of through hole 6 is fixedly installed with second through hole plate 8, the lower inner wall of placing groove 2 is fixedly installed with third through hole plate 9.

[0023] Specifically: the hand of the measured person is cooled by the blow structure, so as to reduce the hand sweat, even if the hand sweat appears, it can be dried, so as to reduce the nervous mood of the measured person to a certain extent, and the inductor 3 senses whether the palm is attached to its surface.

[0024] In the embodiment: the inner wall of placing groove 2 is fixedly installed with first elastic band 18 and second elastic band 19 respectively, and the upper inner wall of placing groove 2 is fixedly installed with heart rate sensor 20.

[0025] Specifically: the palm of the measured person is bound by the first elastic band 18, so that the palm of the measured person is tightly attached to the bottom, and the wrist of the measured person is bound by the second elastic band 19, so that the wrist of the measured person is tightly attached to the heart rate sensor 20, so as to ensure the detection of the heart rate sensor 20.

[0026] In the embodiment, the inductor 3 is electrically connected with the polygraph main body 1, the inside of the outer frame 4 is connected with the inside of the through hole 6 through the second through hole plate 8, and the inside of the through hole 6 is connected with the inside of the placing groove 2 through the third through hole plate 9, and the inside of the outer frame 4 is connected with the outside through the first through hole plate 7.

[0027] Specifically, the wind blown by the fan 5 reaches the lower surface of the placing groove 2 through the second through hole plate 8 and the third through hole plate 9, so as to cool the palm of the measured person.

[0028] In the embodiment, the heart rate sensor 20 is electrically connected with the polygraph main body 1.

[0029] Specifically, the polygraph main body 1 controls the heart rate sensor 20 to start, and the heart rate sensor 20 transmits the detected heart rate to the polygraph main body 1 through data waves, so as to be displayed.

[0030] Working principle: when the teaching personnel carry out teaching experiments through the polygraph, first, the teaching personnel place the palm of the measured person in the inside of the placing groove 2, at this time, the first elastic band 18 and the second elastic band 19 respectively bind the palm and the wrist of the measured person, and the heart rate sensor 20 is located below the wrist, when the inductor 3 senses the palm, the fan 5 starts, the wind blown by the fan 5 reaches the inside of the placing groove 2 through the second through hole plate 8 and the third through hole plate 9, and is blown into the palm of the measured person through the third through hole plate 9, so as to cool the palm of the measured person, and avoid hand sweat, and when the patient is too nervous, the breathable sponge can be placed in the inside of the placing groove 2, so as to improve the comfort of the measured person, compared with the related art, the polygraph for psychological teaching has the following beneficial effects: the design can realize the effect of blowing dry the hand sweat in the palm of the measured person, avoid the hand sweat caused by excessive nervousness, so as to make the measured person more nervous, and affect the test result.

[0031] Embodiment 2:

[0032] Please refer to Figs. 1-3 , the right surface of the polygraph main body 1 is provided with a first recess 10, the inner wall of the first recess 10 is movably installed with a lead screw 11, the outer surface of the lead screw 11 is threadedly connected with a threaded block, the right surface of the threaded block is fixedly installed with a connecting block 12, the upper surface of the polygraph main body 1 is movably installed with a knob 13, the left surface of the connecting block 12 is fixedly installed with a fixed plate 14, the upper surface of the fixed plate 14 is fixedly installed with a silica gel pad 15, the right surface of the polygraph main body 1 is provided with a second recess 16, and the inner wall of the second recess 16 is movably installed with a sliding column 17.

[0033] Specifically: through the screw rod 11 constantly adjust the fixed plate 14 and the position of the polygraph main body 1 lower surface, so that the polygraph main body 1 can be installed on the different thickness of the table board, to the polygraph main body 1 fixed.

[0034] In this embodiment: the lower end of the knob 13 and the upper surface of the screw rod 11 fixed connection, the first recess 10 inner wall and the front and back surface of the threaded block activity connection, the outer surface of the slide column 17 is connected with the sliding block, the right surface of the sliding block is fixedly connected with the connecting block 12.

[0035] Working principle: when the need to install the polygraph main body 1, first teaching personnel clockwise knob 13, knob 13 drive screw rod 11 clockwise rotation, screw rod 11 in the rotation at the same time drive connecting plate and fixed plate 14 upward movement, when the distance between the silica gel pad 15 and the lower surface of the polygraph main body 1 moves to the distance required by the installation, at this time the polygraph main body 1 is placed on the desktop, the table board is located between the polygraph main body 1 and the silica gel pad 15, then counterclockwise rotating knob 13, the same above principle, fixed plate 14 and silica gel pad 15 move to the table board, until the upper surface of the silica gel pad 15 and the lower surface of the table board after the paste, stop rotating, compared with the related art, the intelligent polygraph for psychological teaching provided by the utility model has the following beneficial effects: the design can make the polygraph main body 1 installation fixed on the different thickness of the table board, avoid in the test, the polygraph main body 1 appears movement, thereby affecting the test result, at the same time can protect the polygraph main body 1, avoid its from the desktop fall.

[0036] The polygraph main body 1 is the existing structure, belongs to the public knowledge of the art, only to use, do not carry out the transformation, therefore do not again detailed description.

[0037] The above about the use of each device of the equipment is different, according to the actual selection and use, and reference various parameters, according to the function of the used equipment and the effect reached echo.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lie detector for psychological teaching, comprising a lie detector body (1) two blow structure, characterized in that: The upper surface of the polygraph body (1) is provided with a placing groove (2), and the lower inner wall of the placing groove (2) is fixedly installed with an inductor (3). The blowing structure comprises an outer frame (4), the inner wall of the outer frame (4) is provided with a fan (5), the left and right surfaces of the polygraph body (1) are provided with through holes (6), the outer surface of the outer frame (4) is provided with a first through hole plate (7), the surface of the through hole (6) is fixedly installed with a second through hole plate (8), and the lower inner wall of the placing groove (2) is fixedly installed with a third through hole plate (9).

2. The intelligent polygraph for psychological teaching according to claim 1, characterized in that: The right surface of the polygraph body (1) is provided with a first groove (10), the inner wall of the first groove (10) is movably installed with a lead screw (11), the outer surface of the lead screw (11) is threadedly connected with a threaded block, the right surface of the threaded block is fixedly installed with a connecting block (12), the upper surface of the polygraph body (1) is movably installed with a knob (13), the left surface of the connecting block (12) is fixedly installed with a fixed plate (14), the upper surface of the fixed plate (14) is fixedly installed with a silica gel pad (15), the right surface of the polygraph body (1) is provided with a second groove (16), and the inner wall of the second groove (16) is movably installed with a sliding column (17).

3. The intelligent polygraph for psychological teaching according to claim 1, characterized in that: The inner wall of the placing groove (2) is fixedly installed with a first elastic band (18) and a second elastic band (19) respectively, and the upper inner wall of the placing groove (2) is fixedly installed with a heart rate sensor (20).

4. The intelligent polygraph for psychological teaching according to claim 1, characterized in that: The inductor (3) is electrically connected with the polygraph body (1), the inside of the outer frame (4) is mutually penetrated with the inside of the through hole (6) through the second through hole plate (8), the inside of the through hole (6) is mutually penetrated with the inside of the placing groove (2) through the third through hole plate (9), and the inside of the outer frame (4) is mutually penetrated with the outside through the first through hole plate (7).

5. The intelligent polygraph for psychological teaching according to claim 2, characterized in that: The lower end of the knob (13) is fixedly connected with the upper surface of the lead screw (11), the front and rear surfaces of the threaded block are movably connected with the inner wall of the first groove (10), the outer surface of the sliding column (17) is slidably connected with a sliding block, and the right surface of the sliding block is fixedly connected with the connecting block (12).

6. The intelligent polygraph for psychological teaching according to claim 3, characterized in that: The heart rate sensor (20) is electrically connected with the polygraph body (1).

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