CN215416793U - Be suitable for intelligent entrance guard face identification equipment - Google Patents
Be suitable for intelligent entrance guard face identification equipment Download PDFInfo
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- CN215416793U CN215416793U CN202121655454.4U CN202121655454U CN215416793U CN 215416793 U CN215416793 U CN 215416793U CN 202121655454 U CN202121655454 U CN 202121655454U CN 215416793 U CN215416793 U CN 215416793U
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Abstract
The utility model provides face recognition equipment suitable for intelligent access control, and belongs to the technical field of face recognition access control. This be suitable for intelligent entrance guard face identification equipment, including the mounting plate, survey the height device, the floodgate device, elevating gear and face identification device, carry out the height to the user through surveying the height device and measure, send a signal to second step motor through microprocessor processing, rotate through second step motor and make elevating gear drive face identification device shift up or move down, after face identification device discerned personnel's information, send a signal to first step motor, first step motor makes three kun brake lever rotate, thereby make personnel pass through three kun brake lever, and then realize that the user of different heights gets into entrance guard, the user of having solved different heights leads to discerning the defect of failing, the user that needs to get into entrance guard still accessible entrance guard magnetic card puts at first magnetic card induction zone or second magnetic card induction zone surface entering entrance guard.
Description
Technical Field
The utility model relates to the technical field of face recognition access control, in particular to face recognition equipment suitable for intelligent access control.
Background
An intelligent entrance guard device based on the Internet of things belongs to a novel modern safety management system, integrates a microcomputer automatic identification technology and modern safety management measures, relates to a plurality of new technologies such as electronics, machinery, optics, a computer technology, a communication technology, a biotechnology and the like, is an effective measure for realizing safety precaution management at an entrance and an exit of an important department, and is suitable for various important departments such as banks, hotels, machine rooms, military machine depots, important rooms, offices, intelligent districts, factories and the like; the entrance guard system surpasses the simple doorway and key management, has gradually developed into a set of complete entrance and exit management system, and plays a great role in the administrative management work such as working environment safety, personnel attendance management and the like, wherein the face recognition entrance guard in the internet of things entrance guard technology is used more in some important occasions, and the entrance guard accuracy is higher;
the Internet of things entrance guard under the prior art is different because everyone's height, when the adjustment position discerns, the face can not be fine aim at face identification ware to lead to the defect of discerning the failure.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiency, the utility model provides a face identification device suitable for intelligent gate inhibition, which measures the height of a user needing to enter the gate inhibition by a height measuring device, the measured value is processed by a microprocessor, and sends a signal to a second stepping motor, so that the second stepping motor rotates, a lifting device drives a face identification device to move up or down by the rotation of the second stepping motor, when the face identification device identifies the information of the person, the face identification device sends a signal to a first stepping motor, the first stepping motor rotates to drive a three-roller gate bar to rotate, so that the person passes through the three-roller gate bar, thereby realizing the entrance of the user with different heights, solving the defect of identification failure caused by the users with different heights, the user needing to enter the gate inhibition can also read the information by placing a magnetic card on the surface of a first magnetic card induction area or a second magnetic card induction area, and the prompting lamp prompts that the information of the user is correct or wrong, and when the information is correct, the first stepping motor rotates to drive the three-roller gate rod to rotate, so that the user can enter the entrance guard.
The utility model is realized by the following steps:
the utility model provides a be suitable for intelligent entrance guard face identification equipment, includes mounting plate, survey height device, floodgate machine device, elevating gear and face identification device.
The top surface of the mounting bottom plate is provided with a height measuring device, a gate device and a lifting device;
the height measuring device comprises a supporting rod, the supporting rod is 7-shaped, the top end of the supporting rod is connected with a protective shell, and an ultrasonic generator is arranged on the bottom surface of the protective shell;
a gate device is arranged on one side of the height measuring device and comprises a gate case, the gate case consists of a cuboid, a right-angle trapezoid body and an isosceles trapezoid body from bottom to top, an indicator lamp is arranged at the center of the top surface of the isosceles trapezoid body, a first magnetic card induction area and a second magnetic card induction area are respectively arranged at the centers of the isosceles surfaces on the two sides of the isosceles trapezoid body, a three-roll gate rod is arranged at the center of the inclined surface of the right-angle trapezoid body, a first stepping motor is arranged at the center of the inner inclined surface of the right-angle trapezoid body, the central shaft of the first stepping motor is perpendicular to the inclined surface of the right-angle trapezoid body, and a second stepping motor is arranged on the inner bottom surface of the cuboid;
one of the gate devices is provided with a lifting device, the lifting device comprises an installation shell, an opening is formed in the surface of the installation shell on the same side as the inclined plane of the right-angle trapezoid, a threaded rod is arranged inside the installation shell, the top end and the bottom end of the threaded rod are respectively fixedly connected with the top surface and the bottom surface of the installation shell through bearings, a sliding block is arranged on the surface of the threaded rod, a connecting plate is fixedly connected to one side of the sliding block, a face recognition device is arranged at one end of the connecting plate in a penetrating mode through the opening and through a bolt, a driven bevel gear is arranged at the position, close to the bottom end, of the threaded rod, a driving bevel gear meshed with the driven bevel gear is arranged right above the driven bevel gear, and the driving bevel gear is fixedly connected with the surface of the output end of the second stepping motor.
In an embodiment of the present invention, the surface of the mounting base plate near four corners is provided with threaded holes.
In an embodiment of the present invention, the bottom end of the support rod is fixedly connected to the top surface of the mounting base plate, the support rod is hollow and tubular, and a wire is disposed inside the support rod.
In an embodiment of the present invention, the first magnetic card sensing area and the second magnetic card sensing area are electrically connected to the indicator light through a wire.
In an embodiment of the utility model, threaded sleeves are fixedly connected to the surface of the inclined surface inside the right-angle trapezoid body, the number of the threaded sleeves is four, the central axes of the four threaded sleeves are all perpendicular to the inclined surface of the right-angle trapezoid body, the four threaded sleeves are distributed on the surface of the inclined surface inside the right-angle trapezoid body in a rectangular array by taking the central axes of the inclined surfaces of the right-angle trapezoid body as an array center, four fixing bolts are arranged on the mounting plate of the first stepping motor, and the four fixing bolts are respectively and fixedly connected with the four threaded sleeves through threads.
In an embodiment of the present invention, the three-roller gate bar is fixedly connected to an output end of the first stepping motor.
In one embodiment of the present invention, a surface of the connecting plate is clearance-fitted with an inner wall surface of the opening portion.
In an embodiment of the present invention, the slider has a screw thread formed therein, the screw thread being adapted to the screw rod.
In one embodiment of the utility model, the driven bevel gear is fixedly sleeved on the surface of the threaded rod close to the bottom end.
The utility model has the beneficial effects that: the utility model obtains a face recognition device suitable for intelligent door control by the design, the height of a user needing to enter the door control is measured by a microprocessor through an ultrasonic generator in a height measuring device by utilizing the principle that ultrasonic waves are transmitted in the air and return immediately when encountering an obstacle in the process, the measured numerical value is processed by a signal sent to a second stepping motor, the second stepping motor is rotated, a driving bevel gear fixedly arranged at the output end of the second stepping motor drives a driven bevel gear to rotate, the driven bevel gear is fixedly connected with a threaded rod, the surface of the threaded rod is in threaded connection with a slide block, the slide block is fixedly connected with a face recognition device through a connecting plate, therefore, when the second stepping motor obtains a command to rotate forwards or backwards, the face recognition device can move upwards and downwards and is in clearance fit with the surface of the connecting plate through the inner wall of an opening part, so that the opening part plays a role of limiting the connecting plate to move in the horizontal direction, the face recognition device can only move in the vertical direction, after the face recognition device recognizes the information of the person, a signal is sent to the first stepping motor to rotate the first stepping motor to drive the three-roller gate bar to rotate, so that the person can enter the entrance guard through the three-roller gate bar, and the entrance guard of the users with different heights is realized, thereby overcoming the defect that the users with different heights fail to recognize, and the user needing to enter the entrance guard can also read the information in the first magnetic card induction area or the second magnetic card induction area by putting the entrance guard magnetic card on the surface of the first magnetic card induction area or the second magnetic card induction area and prompting the user to be correct or wrong through the prompting lamp, when the information is correct, the first stepping motor rotates to drive the three-roller gate bar to rotate, so that the user enters the entrance guard, and avoiding the user from mistakenly running the three-roller gate bar, causing damage to the first motor and the triple-roller shutter bar.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic perspective view of a face recognition device for intelligent access control according to an embodiment of the present invention;
fig. 2 is a schematic left-view structural diagram of a face recognition device suitable for intelligent access control according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a face recognition device for intelligent access control according to an embodiment of the present invention with a housing removed;
FIG. 4 is an enlarged view of the structure A in FIG. 3;
fig. 5 is an enlarged view of the structure B in fig. 3.
In the figure: 100. mounting a bottom plate; 200. a height measuring device; 2001. a support bar; 2002. a protective shell; 2003. an ultrasonic generator; 300. a gate device; 3001. a first magnetic card induction zone; 3002. an indicator light; 3003. a second magnetic card induction zone; 3004. a triple roller gate bar; 3005. a first stepper motor; 3006. a threaded sleeve; 3007. fixing the bolt; 3008. a gate case; 400. a lifting device; 4001. a connecting plate; 4002. a slider; 4003. a threaded rod; 4004. a driven bevel gear; 4005. a drive bevel gear; 4006. a second stepping motor; 4007. an opening part; 4008. mounting a shell; 500. provided is a face recognition device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a be suitable for intelligent entrance guard face identification equipment, includes mounting plate 100, surveys height device 200, floodgate machine device 300, elevating gear 400 and face recognition device 500.
Referring to the attached drawings 1-5, in operation, a height of a user needing to enter an entrance guard is measured by an ultrasonic generator 2003 in a height measuring device 200 by using the principle that ultrasonic waves are transmitted in the air and return immediately when encountering an obstacle in the process, the measured value is processed by a microprocessor, and a signal is sent to a second stepping motor 4006, so that the second stepping motor 4006 rotates, a driving bevel gear 4005 fixedly installed at the output end of the second stepping motor 4006 drives a driven bevel gear 4004 to rotate, the driven bevel gear 4004 is fixedly connected with a threaded rod 4003, the surface of the threaded rod 4003 is in threaded connection with a sliding block 4002, the sliding block 4002 is fixedly connected with a face recognition device 500 through a connecting plate 4001, therefore, when the second stepping motor 4006 obtains an instruction to rotate forwards or reversely, the face recognition device 500 can move upwards and downwards and is in clearance fit with the surface of the connecting plate 4001 through the inner wall of an opening 4007, so that the opening 4007 acts as a restriction to the connection board 4001 to move in the horizontal direction, and the face recognition device 500 can only move in the vertical direction, when the face recognition device 500 recognizes the information of the person, a signal is sent to the first stepping motor 3005 to rotate the first stepping motor 3005 to drive the three-roller gate bar 3004 to rotate, so that the person can enter the door through the three-roller gate bar 3004, and the user with different heights can access the door, thereby solving the defect of failed recognition caused by the users with different heights, and the user needing to enter the door can also read the information in the first magnetic card sensing area 3001 or the second magnetic card sensing area 3003 by placing the door card on the surface of the first magnetic card sensing area 3001 or the second magnetic card sensing area 3003, and prompting the user information to be correct or wrong through the prompting lamp 3002, when the information is correct, the first stepping motor 3005 rotates to drive the three-roller gate bar 3004 to rotate, and further enable the user to enter the door, to prevent the user from mistakenly running the three-roller gate bar 3004, which may damage the first motor 3005 and the three-roller gate bar 3004.
Specifically, referring to fig. 1-5, the top surface of the installation base plate 100 is provided with a height measuring device 200, a gate device 300 and a lifting device 400;
the height measuring device 200 comprises a support rod 2001, wherein the support rod 2001 is in a 7-shaped shape, the top end of the support rod 2001 is connected with a protective shell 2002, and an ultrasonic generator 2003 is arranged on the bottom surface of the protective shell 2002;
a gate device 300 is arranged on one side of the height measuring device 200, the gate device 300 comprises a gate case 3008, the gate case 3008 consists of a cuboid, a right-angle trapezoid and an isosceles trapezoid from bottom to top, the gate case 3008 is provided with an indicator lamp 3002 at the center of the top surface of the isosceles trapezoid, a first magnetic card induction area 3001 and a second magnetic card induction area 3003 are respectively arranged at the centers of the isosceles surfaces on two sides of the isosceles trapezoid, a three-roll gate bar 3004 is arranged at the center of an inclined surface of the right-angle trapezoid, a first step motor 3005 is arranged at the center of an inner inclined surface of the right-angle trapezoid, the central axis of the first step motor 3005 is perpendicular to the inclined surface of the right-angle trapezoid, and a second step motor 4006 is arranged at the inner bottom surface of the cuboid;
one of floodgate machine device 300 is equipped with elevating gear 400, elevating gear 400 includes installation shell 4008, and the surface of installation shell 4008 and the inclined plane homonymy of right angle trapezoidal body has seted up opening 4007, the inside of installation shell 4008 is equipped with threaded rod 4003, and threaded rod 4003's top and bottom pass through bearing fixed connection with the top surface and the bottom surface of installation shell 4008 respectively, the surface of threaded rod 4003 is equipped with slider 4002, one side fixedly connected with connecting plate 4001 of slider 4002, and the one end of connecting plate 4001 runs through opening 4007 and has face recognition device 500 through bolt fixed mounting, threaded rod 4003 is close to bottom department and is equipped with driven bevel gear 4004, be equipped with the drive bevel gear 4005 with driven bevel gear 4004 intermeshing directly over of driven bevel gear 4004, and the output surface fixed connection of drive bevel gear 4005 and second step motor 4006.
As an embodiment of the present invention, further, threaded holes are formed in the surface of the mounting base plate 100 near the four corners, and expansion bolts are installed in the threaded holes to fix the mounting base plate 100.
As an embodiment of the present invention, further, the bottom end of the support rod 2001 is fixedly connected to the top surface of the mounting base plate 100, the support rod 2001 is in a hollow tubular shape, and a wire is provided inside the support rod 2001.
As an embodiment of the present invention, the first magnetic card sensing area 3001 and the second magnetic card sensing area 3003 are electrically connected to the indicator light 3002 through wires, and the indicator light 3002 prompts the user whether the information is correct, so as to prevent the user from mistakenly running the three-roller gate bar 3004, which may damage the first motor 3005 and the three-roller gate bar 3004.
As an embodiment of the present invention, further, threaded sleeves 3006 are fixedly connected to the surface of the inclined plane inside the right-angle trapezoid, the number of the threaded sleeves 3006 is four, the central axes of the four threaded sleeves 3006 are all perpendicular to the inclined plane of the right-angle trapezoid, the four threaded sleeves 3006 are distributed on the surface of the inclined plane inside the right-angle trapezoid in a rectangular array with the central axes of the inclined planes of the right-angle trapezoid as an array center, four fixing bolts 3007 are arranged on the mounting plate of the first stepping motor 3005, the four fixing bolts 3007 are respectively and fixedly connected with the four threaded sleeves 3006 through threads, and the first stepping motor 3005 is fixed through the threaded sleeves 3006 and the fixing bolts 3007.
Further, as an embodiment of the present invention, the triple-roller gate bar 3004 is fixedly connected to an output end of the first stepping motor 3005.
As an embodiment of the present invention, further, a surface of the connecting plate 4001 is in clearance fit with an inner wall surface of the opening 4007, and the inner wall of the opening 4007 is in clearance fit with the surface of the connecting plate 4001, so that the opening 4007 acts to restrict the movement of the connecting plate 4001 in the horizontal direction, and the face recognition device 500 can move only in the vertical direction.
As an embodiment of the present invention, further, a screw thread adapted to the screw rod 4003 is formed inside the slider 4002.
As an embodiment of the present invention, further, a driven bevel gear 4004 is fixedly fitted to a surface of the threaded rod 4003 near the bottom end.
Specifically, this be suitable for intelligent entrance guard's identification of face equipment's theory of operation: when the height measuring device works, the height of a user needing to enter an entrance guard is measured by an ultrasonic generator 2003 in the height measuring device 200 by utilizing the principle that ultrasonic waves are transmitted in the air and return immediately when encountering obstacles, the measured value is processed by a microprocessor, and a signal is sent to a second stepping motor 4006 to enable the second stepping motor 4006 to rotate, a driving bevel gear 4005 fixedly arranged at the output end of the second stepping motor 4006 drives a driven bevel gear 4004 to rotate, the driven bevel gear 4004 is fixedly connected with a threaded rod 4003, the surface of the threaded rod 4003 is in threaded connection with a sliding block 4002, the sliding block 4002 is fixedly connected with a face recognition device 500 through a connecting plate 4001, therefore, when the second stepping motor 4006 obtains an instruction to rotate forwards or backwards, the face recognition device 500 can move upwards and downwards and can be in clearance fit with the surface of the connecting plate 4001 through the inner wall of an opening 4007, so that the opening 4007 plays a role of limiting the connecting plate 4001 to move upwards in the horizontal direction, and then the face recognition device 500 can only move in the vertical direction, and after the face recognition device 500 recognizes the personnel information, a signal is sent to the first stepping motor 3005 to rotate the first stepping motor 3005, which rotates the three-roller gate bar 3004, so that the person can pass through the three-roller gate bar 3004, thus, users with different heights can enter the door control, the defect that users with different heights cause identification failure is overcome, the user needing to enter the door control can also read information by placing the door control magnetic card on the surface of the first magnetic card induction area 3001 or the second magnetic card induction area 3003 so that the first magnetic card induction area 3001 or the second magnetic card induction area 3003 can read the information, and the prompt lamp 3002 prompts the user that the information is correct or incorrect, when correct, the first stepping motor 3005 rotates to drive the three-roller gate bar 3004 to rotate, thereby preventing the user from mistakenly running the three-roller gate bar 3004 and damaging the first motor 3005 and the three-roller gate bar 3004.
It should be noted that the specific model specifications of the ultrasound generator 2003, the first stepping motor 3005, the second stepping motor 4006 and the face recognition device 500 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
It should be noted that the principle of the face recognition apparatus 500 is clear to those skilled in the art, and will not be described in detail here.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Be suitable for intelligent entrance guard face identification equipment, a serial communication port, include
The height measuring device comprises an installation bottom plate (100), wherein the top surface of the installation bottom plate (100) is provided with a height measuring device (200), a gate device (300) and a lifting device (400);
the height measuring device (200) comprises a supporting rod (2001), the supporting rod (2001) is in a 7-shaped shape, the top end of the supporting rod (2001) is connected with a protective shell (2002), and an ultrasonic generator (2003) is arranged on the bottom surface of the protective shell (2002);
one side of the height measuring device (200) is provided with a gate device (300), the gate device (300) comprises a gate case (3008), the gate case (3008) consists of a cuboid, a right-angle trapezoid and an isosceles trapezoid from bottom to top, the gate case (3008) is provided with an indicator lamp (3002) at the center of the top surface of the isosceles trapezoid, the centers of the two sides of the isosceles surface of the isosceles trapezoid are respectively provided with a first magnetic card induction area (3001) and a second magnetic card induction area (3003), the center of the inclined surface of the right-angle trapezoid is provided with three roll gate rods (3004), the center of the inner inclined surface of the right-angle trapezoid is provided with a first stepping motor (3005), the central axis of the first stepping motor (3005) is vertical to the inclined surface of the right-angle trapezoid, and the inner bottom surface of the cuboid is provided with a second stepping motor (4006);
one of the gate device (300) is provided with a lifting device (400), the lifting device (400) comprises an installation shell (4008), an opening part (4007) is formed in the surface of the installation shell (4008) on the same side as the inclined surface of the right-angle trapezoidal body, a threaded rod (4003) is arranged inside the installation shell (4008), the top end and the bottom end of the threaded rod (4003) are fixedly connected with the top surface and the bottom surface of the installation shell (4008) through bearings respectively, a sliding block (4002) is arranged on the surface of the threaded rod (4003), a connecting plate (4001) is fixedly connected to one side of the sliding block (4002), one end of the connecting plate (4001) penetrates through the opening part (4007) and is fixedly provided with a human face recognition device (500) through a bolt, a driven bevel gear (4004) is arranged at the position, which is close to the bottom end, a driving bevel gear (4005) meshed with the driven bevel gear (4004) is arranged right above the driven bevel gear (4004), and the surface of the output end of the driving bevel gear (4005) is fixedly connected with the surface of the output end of the second stepping motor (4006).
2. The face recognition device for intelligent access control according to claim 1, wherein the surface of the installation base plate (100) is provided with threaded holes near four corners.
3. The face recognition device for intelligent access control according to claim 1, wherein the bottom end of the support rod (2001) is fixedly connected to the top surface of the mounting base plate (100), the support rod (2001) is hollow and tubular, and a wire is disposed inside the support rod (2001).
4. The face identification device for intelligent access control as claimed in claim 1, wherein the first magnetic card sensing area (3001) and the second magnetic card sensing area (3003) are electrically connected to the indicator light (3002) through wires respectively.
5. The device of claim 1, wherein the inner portion of the right trapezoid has a threaded sleeve (3006) fixedly connected to the surface of the inclined surface, the number of the threaded sleeve (3006) is four, the central axis of the threaded sleeve (3006) is perpendicular to the inclined surface of the right trapezoid, and the threaded sleeve (3006) is used as the central axis of the inclined surface of the right trapezoid is distributed on the surface of the inclined surface of the inner portion of the right trapezoid in a rectangular array manner, the mounting plate of the first stepping motor (3005) is provided with four fixing bolts (3007) and four fixing bolts (3007) are respectively connected with the four threaded sleeves (3006) through threads.
6. The face recognition device of claim 1, wherein the triple-roller gate bar (3004) is fixedly connected to the output end of the first stepping motor (3005).
7. The face recognition device for intelligent door access according to claim 1, wherein the surface of the connecting plate (4001) is in clearance fit with the inner wall surface of the opening portion (4007).
8. The face recognition device for the intelligent door access according to claim 1, wherein a thread adapted to the threaded rod (4003) is formed inside the slider (4002).
9. The face recognition device for intelligent access control according to claim 1, wherein the driven bevel gear (4004) is fixedly sleeved on the surface of the threaded rod (4003) near the bottom end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655454.4U CN215416793U (en) | 2021-07-20 | 2021-07-20 | Be suitable for intelligent entrance guard face identification equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655454.4U CN215416793U (en) | 2021-07-20 | 2021-07-20 | Be suitable for intelligent entrance guard face identification equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215416793U true CN215416793U (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121655454.4U Active CN215416793U (en) | 2021-07-20 | 2021-07-20 | Be suitable for intelligent entrance guard face identification equipment |
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| Country | Link |
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| CN (1) | CN215416793U (en) |
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2021
- 2021-07-20 CN CN202121655454.4U patent/CN215416793U/en active Active
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