CN219716156U - Personnel evidence comparison all-in-one - Google Patents

Abstract

The utility model discloses a person evidence comparison all-in-one machine, which comprises a base, a display screen and a camera, wherein the base is provided with a camera; the base is rotatably provided with a mounting frame and a rotating assembly for driving the mounting frame to rotate along the horizontal direction, the shell of the display screen is connected with a first hinging block and a second hinging block, and one side of the first hinging block, which is far away from the display screen, is hinged with the mounting frame; the camera is hinged with the second hinge block, and the camera is located one side of the display screen. The utility model has the effects of enabling the personnel identification integrated machine to be suitable for people with different heights and improving the applicability of the personnel identification integrated machine.

Description

Personnel evidence comparison all-in-one

Technical Field

The utility model relates to the technical field of personnel identification, in particular to a personnel comparison all-in-one machine.

Background

The human certificate comparison integrated machine, also called a certificate verification terminal, a human image collector, a human face recognition access control and the like, realizes functions of real name authentication and authority management by adopting a living human face detection technology, and is widely applied to scenes such as government halls, exit and entrance certificate handling centers and the like.

The existing personnel identification integrated machine has some defects in structure, and the existing personnel identification integrated machine cannot be suitable for people with different heights due to the difference of heights of people, so that certain trouble is caused.

Therefore, the defect of poor applicability of the personnel identification integrated machine exists, and improvement is needed.

Disclosure of Invention

In order to enable the personnel identification integrated machine to be suitable for people with different heights and improve the applicability of the personnel identification integrated machine, the utility model provides the personnel identification comparison integrated machine.

The utility model provides a person evidence comparison all-in-one machine, which adopts the following technical scheme:

a person evidence comparison all-in-one machine comprises a base, a display screen and a camera; the base is rotatably provided with a mounting frame and a rotating assembly for driving the mounting frame to rotate along the horizontal direction, a shell of the display screen is connected with a first hinging block and a second hinging block, and one side, away from the display screen, of the first hinging block is hinged with the mounting frame; the camera is hinged with the second hinge block, and the camera is positioned on one side of the display screen.

By adopting the technical scheme, the personnel and evidence comparison all-in-one machine can be rotated and adjusted along the horizontal direction, and when the personnel and evidence comparison all-in-one machine is actually used, people can rotate the mounting frame to adjust the mounting and using angles of the display screen and the camera; the display screen of the personnel evidence comparison all-in-one machine is rotatably installed relative to the installation frame, so that people with different heights can vertically rotate the display screen to adjust the installation angle of the display screen when using the personnel evidence comparison all-in-one machine, meanwhile, the camera is rotatably installed relative to the display screen, and after the installation angle of the display screen is adjusted, the camera can be vertically rotated to enable the use angle of the camera to be in accordance with the actual height of the people, and the camera can conveniently acquire and identify facial information; therefore, the personnel identification integrated machine is suitable for people with different heights, and the applicability of the personnel identification integrated machine is improved.

Preferably, a rotating plate is arranged on one side, close to the base, of the mounting frame; the top of the base is provided with a supporting sleeve, and the rotating plate is rotatably arranged on one side of the supporting sleeve; the rotating assembly comprises a connecting rod and a bevel gear; the connecting rod is fixedly connected with the supporting sleeve, and the connecting rod is arranged along the length direction perpendicular to the supporting sleeve; the driving wheel of the bevel gear is in meshed rotation connection with the driven wheel, the rotating shaft of the driven wheel of the bevel gear is in rotation connection with the connecting rod, the rotating shaft of the driving wheel of the bevel gear penetrates out of the side wall of the supporting sleeve, and the rotating shaft of the driving wheel of the bevel gear rotates along the horizontal direction.

Through adopting above-mentioned technical scheme, support sleeve is used for supplying bevel gear installation to through the spacing bevel gear of connecting rod from the action wheel of driving bevel gear of driving the bevel gear drive from the driving wheel rotation, thereby from driving mounting bracket and display screen, camera rotation together, thereby realize driving the mounting bracket along the pivoted purpose of horizontal direction.

Preferably, one side of the supporting sleeve, which is close to the rotating plate, is connected with a limiting ring block, a limiting ring groove is formed in the position, corresponding to the limiting ring block, of the rotating plate, and the limiting ring block is movably clamped in the limiting ring groove.

Through adopting above-mentioned technical scheme, when the mounting bracket rotated along the horizontal direction, support telescopic stopper rotated in spacing annular to the mounting bracket has improved the mobility stability of rotation in-process.

Preferably, the method further comprises: the high appearance of clapping, high appearance of clapping is connected with and is used for with the receiver that high appearance of clapping accomodates, the receiver install in the mounting bracket.

Through adopting above-mentioned technical scheme, the high appearance of clapping that has functions such as scanning file, collection information is still installed to personnel identification all-in-one, and is provided with the receiver that is used for accomodating high appearance of clapping.

Preferably, the top of the storage box is opened, the storage box is rotationally connected with the high-speed shooting instrument, and a limiting block is arranged on the inner side wall of the storage box; when the high-speed shooting instrument is rotationally positioned in the storage box, the high-speed shooting instrument is abutted to the limiting block.

Through adopting above-mentioned technical scheme, the staff uses up to clap the appearance or need accomodate under the circumstances of clapping the appearance in height at transport, and the accessible rotates the appearance of clapping to the position that is located the receiver from the open top of receiver with clapping the appearance in height to be convenient for accomodate and clap the appearance in height, reduce to take place to clap the appearance in height and lead to the fact the circumstances of damage because of colliding with in the handling, be favorable to maintaining the appearance of clapping in height.

Preferably, a connecting block is arranged on one side of the storage box, a rotating block is arranged on the high-speed shooting instrument, and the rotating block is rotationally connected with the connecting block; the storage box is connected with a cover shell, a plurality of clamping blocks are arranged on the cover shell at intervals, and clamping grooves are formed in the side wall of the storage box at positions corresponding to the clamping blocks; the cover shell is also provided with a fixed block; when the high-speed shooting instrument is rotated and positioned outside the storage box, one side of the fixed block is abutted to the connecting block, and the other side of the fixed block is abutted to the side wall of the high-speed shooting instrument.

By adopting the technical scheme, the high-speed shooting instrument is rotatably arranged on the storage box through the rotating block; the cover shell is clamped at the position where the clamping groove is formed in the storage box through the clamping block, so that the cover shell is detachably connected with the storage box, and the cover shell is used for plugging the opening position of the storage box, so that the maintenance effect of the storage box is further improved; further, before using the high appearance of clapping, the staff rotates the high appearance of clapping and makes the high appearance of clapping be located the receiver and use, and when closing the top at the receiver with the lid again this moment, one side butt joint piece of fixed block and the opposite side butt in the lateral wall of high appearance of clapping, the lid closes shell and fixed block and is used for spacing the fixed position at the appointed with high appearance of clapping this moment to the fixed high appearance of clapping under the user state, the operation is more convenient.

Preferably, the display screen further comprises a light supplementing lamp, and the light supplementing lamp is installed on the display screen.

Through adopting above-mentioned technical scheme, the light filling lamp is used for people to give out light in order to improve display brightness when carrying out face identification and detection, provides auxiliary light when authentication is shot under the condition of lack of light promptly to the auxiliary camera obtains reasonable picture material.

Preferably, the light supplementing lamp is coupled with a start-stop control circuit for controlling the light supplementing lamp to be started and stopped, and the start-stop control circuit comprises:

the detection unit is used for detecting whether a human body approaches and outputting a detection signal;

the signal comparison unit is coupled with the detection unit to receive the detection signal and is connected with a threshold signal, compares the detection signal with the threshold signal and outputs a comparison signal, and the comparison signal comprises a first type level signal and a second type level signal;

the switch control unit is coupled to the signal comparison unit and connected in series in the power supply loop of the light supplementing lamp so as to output a switch control signal after receiving the comparison signal, wherein the switch control signal comprises an on signal and an off signal, and the switch control unit outputs the on signal to control the light supplementing lamp to emit light when receiving the first level signal; the switch control unit outputs a shutdown signal to control the light supplementing lamp to be shut down when receiving the second class level signal.

By adopting the technical scheme, the start-stop control circuit is used for controlling the light supplementing lamp to be started and stopped, when a person approaches the person identification integrated machine under the condition of poor light conditions, the detection signal output by the detection unit detects that the person approaches the person identification integrated machine and outputs the detection signal, the detection signal output by the detection unit is larger than a threshold value signal, the signal comparison unit outputs a first level signal, and the switch control unit outputs a start signal to control the light supplementing lamp to be lightened when receiving the first level signal, and the light supplementing lamp provides auxiliary light for the camera; when the person identification integrated machine is not close to the person identification integrated machine or the person is far away from the person identification integrated machine, the detection signal output by the detection unit is smaller than the threshold value signal, the signal comparison unit outputs the second-class level signal, and the switch control unit outputs the shutdown signal to control the light supplementing lamp to be closed when receiving the second-class level signal, so that electricity consumption is saved.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when the person and the evidence comparison all-in-one machine is actually used, people can adjust the installation and use angles of the display screen and the camera by rotating the installation frame; the display screen of the personnel evidence comparison all-in-one machine is rotatably installed relative to the installation frame, so that people with different heights can vertically rotate the display screen to adjust the installation angle of the display screen when using the personnel evidence comparison all-in-one machine, meanwhile, the camera is rotatably installed relative to the display screen, and after the installation angle of the display screen is adjusted, the camera can be vertically rotated to enable the use angle of the camera to be in accordance with the actual height of the people, and the camera can conveniently acquire and identify facial information; therefore, the personnel identification integrated machine is suitable for people with different heights, and the applicability of the personnel identification integrated machine is improved;

2. the cover shell is used for blocking the opening position of the storage box, so that the maintenance effect of the storage box is further improved; further, before using the high-speed shooting instrument, a worker rotates the high-speed shooting instrument and enables the high-speed shooting instrument to be located outside the storage box for use, when the cover is closed at the top of the storage box, one side of the fixing block is abutted against the connecting block, the other side of the fixing block is abutted against the side wall of the high-speed shooting instrument, and the cover and the fixing block are used for limiting and fixing the high-speed shooting instrument at a designated position so as to fix the high-speed shooting instrument in a use state, and operation is convenient;

3. the start-stop control circuit is used for controlling the light supplementing lamp to be started and stopped, when a person approaches the person identification integrated machine under the condition of poor light conditions, the detection signal output by the detection unit detects that the person approaches the person identification integrated machine and outputs the detection signal, the detection signal output by the detection unit is larger than a threshold value signal, the signal comparison unit outputs a first type level signal, the switch control unit outputs a start-up signal to control the light supplementing lamp to be lightened when receiving the first type level signal, and the light supplementing lamp provides auxiliary light for the camera; when the person identification integrated machine is not close to the person identification integrated machine or the person is far away from the person identification integrated machine, the detection signal output by the detection unit is smaller than the threshold value signal, the signal comparison unit outputs the second-class level signal, and the switch control unit outputs the shutdown signal to control the light supplementing lamp to be closed when receiving the second-class level signal, so that electricity consumption is saved.

Drawings

Fig. 1 is a schematic view of the overall mounting structure of embodiment 1 of the present utility model.

Fig. 2 is a schematic view of the overall installation structure of embodiment 1 of the present utility model from another view angle.

Fig. 3 is a schematic view showing the mounting structure of the mounting bracket and the rotating assembly in embodiment 1 of the present utility model.

Fig. 4 is a circuit diagram of the start-stop control circuit in embodiment 1 of the present utility model.

Fig. 5 is a schematic view of the overall mounting structure of embodiment 2 of the present utility model.

Fig. 6 is a schematic view of the mounting structure of the high-speed camera in the storage box in embodiment 2 of the present utility model.

Fig. 7 is a partial sectional view of the storage case and a schematic view of the mounting structure of the high-speed photographing instrument outside the storage case in embodiment 2 of the present utility model.

Reference numerals illustrate:

1. a base; 11. a display screen; 12. a camera; 13. a mounting frame; 14. a first hinge block; 15. a second hinge block; 16. a rotating plate; 161. a limit ring groove; 17. a support sleeve; 171. A limiting ring block; 2. a rotating assembly; 21. a connecting rod; 22. bevel gears; 23. a knob; 3. a high-speed shooting instrument; 31. a rotating block; 4. a storage box; 41. a limiting block; 42. a connecting block; 43. a clamping groove; 5. closing the shell; 51. a clamping block; 52. a fixed block; 6. a light supplementing lamp; 7. a detection unit; 8. a signal comparison unit; 9. and a switch control unit.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-7.

Example 1

The embodiment of the utility model discloses a person evidence comparison all-in-one machine. Referring to fig. 1-3, the person evidence comparison all-in-one machine comprises a base 1, a display screen 11 and a camera 12; the top of the base 1 is rotatably provided with a mounting frame 13 and a rotating assembly 2 for driving the mounting frame 13 to rotate along the horizontal direction; the shell of the display screen 11 is connected with a first hinging block 14 and a second hinging block 15, and one side of the first hinging block 14 away from the display screen 11 is hinged with the mounting frame 13; the camera 12 is hinged with the second hinge block 15, and the camera 12 is located at the top side of the display screen 11.

Referring to fig. 2 and 3, a rotating plate 16 is mounted on one side of the mounting frame 13 near the base 1; the top of the base 1 is provided with a supporting sleeve 17, and the rotating plate 16 is rotatably arranged on one side of the supporting sleeve 17; the rotating assembly 2 comprises a connecting rod 21 and a bevel gear 22; the connecting rod 21 is fixedly connected with the supporting sleeve 17, and the connecting rod 21 is arranged along the length direction perpendicular to the supporting sleeve 17; the driving wheel of the bevel gear 22 is in meshed rotation connection with the driven wheel, the rotating shaft of the driven wheel of the bevel gear 22 is in rotation connection with the connecting rod 21, the rotating shaft of the driving wheel of the bevel gear 22 penetrates through the side wall of the supporting sleeve 17, and the rotating shaft of the driving wheel of the bevel gear 22 rotates along the horizontal direction; the rotating shaft of the driving wheel is also connected with a knob 23 for driving the rotating shaft to rotate; the staff drives the rotating shaft of the driving wheel to rotate through holding the knob 23, and the rotating shaft drives the driving wheel of the bevel gear 22 to drive the driven wheel to rotate, so that the driven wheel drives the mounting frame 13, the display screen 11 and the camera 12 to rotate together, and the purpose of driving the mounting frame 13 to rotate along the horizontal direction is achieved.

Referring to fig. 2 and 3, a limiting ring block 171 is connected to one side of the supporting sleeve 17, which is close to the rotating plate 16, and a limiting ring groove 161 is formed in the rotating plate 16, corresponding to the limiting ring block 171, and the limiting ring block 171 is movably clamped in the limiting ring groove 161; when the mounting frame 13 rotates in the horizontal direction, the limiting block 41 rotates in the limiting ring groove 161, so that the movement stability of the mounting frame 13 in the rotation process is improved.

Referring to fig. 1, the person evidence comparison all-in-one machine further includes a plurality of light supplementing lamps 6, wherein the light supplementing lamps 6 are arranged on one side of the display screen 11, on which the images are displayed, at intervals in the circumferential direction of the light supplementing lamps 6.

Referring to fig. 4, the light compensating lamp 6 is coupled with a start-stop control circuit for controlling the light compensating lamp 6 to be turned on and off, and the start-stop control circuit includes a detection unit 7, a signal comparison unit 8, and a switch control unit 9.

Referring to fig. 4, the detecting unit 7 is for detecting whether a human body approaches and outputting a detection signal; the detection unit 7 includes a human body proximity sensor.

Referring to fig. 4, the signal comparing unit 8 is coupled to the detecting unit 7 to receive the detecting signal and is connected with a threshold signal VREF, the signal comparing unit 8 compares the detecting signal with the threshold signal VREF and outputs a comparison signal, and the comparison signal includes a first type level signal and a second type level signal; the signal comparison unit 8 includes a comparator N1, wherein a first signal input end of the comparator N1 is a normal phase input end, and a second signal input end of the comparator N1 is an inverse phase input end; the first signal input end of the comparator N1 is coupled to the human body proximity sensor, and the second signal input end of the comparator N1 is connected to the threshold signal VREF.

Referring to fig. 4, the switch control unit 9 is coupled to the signal comparing unit 8 and is connected in series in the power supply loop of the light compensating lamp 6, so as to output a switch control signal after receiving the comparing signal, wherein the switch control signal includes an on signal and an off signal; the switch control unit 9 outputs an on signal to control the light supplementing lamp 6 to emit light when receiving the first level signal; the switch control unit 9 outputs a shutdown signal to control the light supplementing lamp 6 to be shut down when receiving the second class level signal; the switch control unit 9 comprises a triode Q1 and a power-off delay relay KT1; the triode Q1 is an NPN triode; the base electrode of the triode Q1 is coupled with the comparator N1, the emitter electrode of the triode Q1 is grounded, and the collector electrode of the triode Q1 is coupled with the power-off delay relay KT1 after being connected in series with the coil of the power-off delay relay KT1; the power-off delay relay KT1 comprises a delay normally-open contact switch KT1-1, the delay normally-open contact switch KT1-1 is connected in series in a power supply loop of the light supplementing lamp 6, the power-off delay relay KT1 is provided with preset time, and when the power-off delay relay KT1 loses power, countdown of the preset time is started, the power supply loop of the light supplementing lamp 6 is controlled to cut off after the countdown is completed, and therefore people can conveniently check and scan face information.

The embodiment of the utility model relates to a person evidence comparison all-in-one machine, which comprises the following implementation principles: people can drive the rotating shaft to drive the mounting frame 13 to rotate through the knob 23, namely, the mounting frame 13 is rotated to adjust the installation and use angles of the display screen 11 and the camera 12; the display screen 11 of the personnel and evidence comparison integrated machine is rotatably installed relative to the installation frame 13, so that people with different heights can rotate the display screen 11 up and down along the vertical direction when using the personnel and evidence comparison integrated machine to adjust the installation angle of the display screen 11; the display screen 11 of the personnel evidence comparison all-in-one machine is rotatably installed relative to the installation frame 13, so that people with different heights can conveniently rotate the display screen 11 to adjust the installation angle of the display screen 11 when using the personnel evidence comparison all-in-one machine, meanwhile, the camera 12 is rotatably installed relative to the display screen 11, and after the installation angle of the display screen 11 is adjusted, the camera 12 can be further rotated up and down to enable the use angle of the camera 12 to be in accordance with the height use of the actual people, and the camera 12 can conveniently acquire and identify facial information; therefore, the personnel identification integrated machine is suitable for people with different heights, and the applicability of the personnel identification integrated machine is improved.

Example 2

The embodiment of the present utility model is different from embodiment 1 in that:

referring to fig. 5 and 6, the person identification integrated machine further comprises a high-speed shooting instrument 3, the high-speed shooting instrument 3 is connected with a storage box 4 for storing the high-speed shooting instrument 3, and the storage box 4 is mounted on the top of the mounting frame 13; the top of the storage box 4 is opened, the storage box 4 is rotationally connected with the high-speed shooting instrument 3, and limiting blocks 41 are respectively arranged on two sides of the inner side wall of the storage box 4; when the high-speed shooting instrument 3 is rotatably positioned in the storage box 4, the high-speed shooting instrument 3 is abutted against the limiting block 41; the staff uses up high appearance 3 of clapping or need accomodate under the high circumstances of clapping 3 appearance etc. of clapping of transport, and the high appearance 3 of clapping of accessible rotation rotates the high appearance 3 of clapping to the position that is located receiver 4 from the open top of receiver 4 to be convenient for accomodate high appearance 3 of clapping, reduce and take place high appearance 3 and lead to the fact the condition of damage because of colliding with in the handling, be favorable to maintaining high appearance 3.

Referring to fig. 6 and 7, a connection block 42 is installed at one side of the storage box 4, the high speed camera 3 is installed with a rotation block 31, and the rotation block 31 is rotatably connected with the connection block 42; so that the high-speed shooting instrument 3 is rotatably arranged on the storage box 4 through the rotating block 31; the storage box 4 is connected with a cover shell 5, and the cover shell 5 is in a shell shape with a hollow inside and an opening at the bottom; a plurality of clamping blocks 51 are arranged on the inner side wall of the cover shell 5 at intervals, and clamping grooves 43 are formed in the inner side wall of the storage box 4 at positions corresponding to the plurality of clamping blocks 51; the cover shell 5 is clamped at the position where the clamping groove 43 is formed in the storage box 4 through the clamping block 51, so that the cover shell 5 is detachably connected with the storage box 4, and the cover shell 5 is used for plugging the opening position of the storage box 4, so that the maintenance effect of the storage box 4 is further improved; the cover shell 5 is also provided with a fixed block 52; when the high-speed shooting instrument 3 is rotatably positioned outside the storage box 4, one side of the fixed block 52 is abutted against the connecting block 42, and the other side of the fixed block 52 is abutted against the side wall of the high-speed shooting instrument 3; before the staff uses the high appearance of clapping 3, rotate the high appearance of clapping 3 and make the high appearance of clapping 3 be located receiver 4 and use, lid closes shell 5 and fixed block 52 and is used for spacing the fixed position at appointed with the high appearance of clapping 3 this moment to the fixed high appearance of clapping 3 under the user state, the simple operation.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The personnel evidence comparison all-in-one machine comprises a base (1), a display screen (11) and a camera (12); the display device is characterized in that a mounting frame (13) and a rotating assembly (2) for driving the mounting frame (13) to rotate along the horizontal direction are rotatably arranged on the base (1), a first hinging block (14) and a second hinging block (15) are connected with a shell of the display screen (11), and one side, away from the display screen (11), of the first hinging block (14) is hinged with the mounting frame (13); the camera (12) is hinged with the second hinging block (15), and the camera (12) is positioned on one side of the display screen (11).

2. A person's evidence comparing all-in-one machine according to claim 1, characterized in that the side of the mounting rack (13) close to the base (1) is provided with a rotating plate (16); the top of the base (1) is provided with a supporting sleeve (17), and the rotating plate (16) is rotatably arranged on one side of the supporting sleeve (17); the rotating assembly (2) comprises a connecting rod (21) and a bevel gear (22); the connecting rod (21) is fixedly connected with the supporting sleeve (17), and the connecting rod (21) is arranged along the length direction perpendicular to the supporting sleeve (17); the driving wheel of the bevel gear (22) is in meshed rotation connection with the driven wheel, a rotating shaft of the driven wheel of the bevel gear (22) is in rotation connection with the connecting rod (21), the rotating shaft of the driving wheel of the bevel gear (22) penetrates out of the side wall of the supporting sleeve (17), and the rotating shaft of the driving wheel of the bevel gear (22) rotates along the horizontal direction.

3. The human evidence comparison all-in-one machine according to claim 2, wherein one side of the supporting sleeve (17) close to the rotating plate (16) is connected with a limiting ring block (171), a limiting ring groove (161) is formed in the position of the rotating plate (16) corresponding to the limiting ring block (171), and the limiting ring block (171) is movably clamped in the limiting ring groove (161).

4. The person's evidence comparing all-in-one machine of claim 2, further comprising: the high-speed shooting instrument (3), the high-speed shooting instrument (3) is connected with a storage box (4) used for storing the high-speed shooting instrument (3), and the storage box (4) is installed in the installation frame (13).

5. The human evidence comparison all-in-one machine according to claim 4, wherein the top of the storage box (4) is opened, the storage box (4) is rotationally connected with the high-speed shooting instrument (3), and a limiting block (41) is arranged on the inner side wall of the storage box (4); when the high-speed shooting instrument (3) is rotationally positioned in the storage box (4), the high-speed shooting instrument (3) is abutted to the limiting block (41).

6. The human evidence comparison all-in-one machine according to claim 4, wherein a connecting block (42) is arranged on one side of the storage box (4), a rotating block (31) is arranged on the high-speed shooting instrument (3), and the rotating block (31) is rotationally connected with the connecting block (42); the storage box (4) is connected with a cover shell (5), a plurality of clamping blocks (51) are arranged on the cover shell (5) at intervals, and clamping grooves (43) are formed in the side wall of the storage box (4) at positions corresponding to the plurality of clamping blocks (51); the cover shell (5) is also provided with a fixed block (52); when the high-speed shooting instrument (3) is rotatably positioned outside the storage box (4), one side of the fixed block (52) is abutted to the connecting block (42), and the other side of the fixed block (52) is abutted to the side wall of the high-speed shooting instrument (3).

7. The human evidence comparison all-in-one machine according to claim 4, further comprising a light supplementing lamp (6), wherein the light supplementing lamp (6) is mounted on the display screen (11).

8. The person evidence comparing all-in-one machine according to claim 7, wherein the light supplementing lamp (6) is coupled with a start-stop control circuit for controlling the light supplementing lamp (6) to be started and stopped, and the start-stop control circuit comprises:

a detection unit (7), wherein the detection unit (7) is used for detecting whether a human body approaches and outputting a detection signal;

a signal comparison unit (8) coupled to the detection unit (7) to receive the detection signal and to be connected with a threshold signal, wherein the signal comparison unit (8) compares the detection signal with the threshold signal and outputs a comparison signal, and the comparison signal comprises a first type level signal and a second type level signal;

the switch control unit (9) is coupled to the signal comparison unit (8) and is connected in series in the power supply loop of the light supplementing lamp (6) so as to output a switch control signal after receiving the comparison signal, wherein the switch control signal comprises an on signal and an off signal, and the switch control unit (9) outputs the on signal to control the light supplementing lamp (6) to emit light when receiving the first level signal; the switch control unit (9) outputs a shutdown signal to control the light supplementing lamp (6) to be shut down when receiving the second class level signal.