CN113079345B - Multimedia control system based on Internet of things - Google Patents
Multimedia control system based on Internet of things Download PDFInfo
- Publication number
- CN113079345B CN113079345B CN202110207185.3A CN202110207185A CN113079345B CN 113079345 B CN113079345 B CN 113079345B CN 202110207185 A CN202110207185 A CN 202110207185A CN 113079345 B CN113079345 B CN 113079345B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 10
- 230000006855 networking Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Studio Devices (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention provides a multimedia control system based on the Internet of things, which relates to the technical field of electronic products and comprises a multimedia control integrated machine, wherein the top of the multimedia control integrated machine is connected with a network camera through a clamping mechanism, the network camera comprises a shell, the bottom of the shell is fixedly connected with a transmission shaft, the outer wall of the transmission shaft is rotationally sleeved with a cylinder, one end of the transmission shaft positioned in the cylinder is fixedly connected with a first rotary table, the inner wall of the cylinder is fixedly connected with a first stepping motor, the shaft extension end of the first stepping motor is fixedly connected with the first rotary table, and the outer wall of the shell is provided with an opening; when the face recognition module detects that the human image of the user is not positioned in the middle of the screen, the CPU adjusts the shooting angle of the camera by starting the first stepping motor and/or the second stepping motor so as to keep the human image of the user positioned in the middle of the screen all the time, and the face recognition module is convenient to use and greatly improves the video call experience of the user.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a multimedia control system based on the Internet of things.
Background
The multimedia control system is applied to multimedia classrooms, multifunctional conference halls, command control centers, intelligent families and the like, and a user can control equipment such as a projector, a display stand, a video disc player, a video recorder, a card holder, a power amplifier, a microphone, a computer, a notebook, an electric screen, an electric curtain, lamplight and the like through software of the computer and a central control system by using equipment such as a button control panel, a computer display, a touch screen, a wireless remote control and the like.
The technology of the internet of things is continuously developed at any time, intelligent home products are continuously improved, the existing multimedia control system is gradually developed into an integrated machine with a touch screen, a microphone, a loudspeaker and a camera and an intelligent voice assistant, new-generation networking home appliances such as a loudspeaker box, a television, an air conditioner, an illuminating lamp and an electric curtain can be controlled through voice, meanwhile, functions of video call, song listening and drama tracing, early education accompanying, life assistant and the like are covered, and better AI experience is provided for users.
However, most cameras of the existing multimedia control integrated machine are fixed inside the machine, and in the process of video call, the placement angle of the integrated machine needs to be adjusted, so that the portrait picture of the user is located at the center of the screen, and the use is inconvenient.
Disclosure of Invention
Based on the above, it is necessary to provide a multimedia control system based on the internet of things, aiming at the problem that the existing multimedia control integrated machine is inconvenient to use due to the built-in camera.
The utility model provides a multimedia control system based on thing networking, includes the multimedia control all-in-one, the fixture is connected with the webcam through the top of multimedia control all-in-one, the webcam includes the casing, the bottom fixedly connected with transmission shaft of casing, the outer wall rotation of transmission shaft has cup jointed the barrel, the one end fixedly connected with first carousel that the transmission shaft is located the barrel, the first step motor of inner wall fixedly connected with of barrel, the axle of first step motor stretches end and first carousel fixed connection, the opening has been seted up to the outer wall of casing, the inside of casing is provided with the camera with open-ended department that corresponds, two pivots of outer wall symmetry fixedly connected with of camera, the outer wall rotation of pivot has cup jointed the mounting panel, the inner wall fixedly connected with second step motor of pivot, one the tip and the axle of second step motor are stretched fixedly connected with, the inside of casing is provided with CPU, face identification module, wireless communication module, the webcam passes through wireless communication module and multimedia control all-in-one, first step motor, second step motor, equal electric connection with CPU.
Through adopting above-mentioned technical scheme, start first step motor and drive first carousel and rotate, the accessible transmission shaft drives the casing and rotates, thereby adjust the camera in the ascending shooting angle of horizontal direction, start second step motor, accessible pivot drives the camera and rotates, thereby adjust the camera in the ascending shooting angle of vertical direction, in order to carry out the in-process of video conversation at using the multimedia control all-in-one, when face recognition module detects that user's portrait is not in the screen middle part, CPU adjusts the shooting angle of camera through starting first step motor and/or second step motor, in order to keep user's portrait to be located the screen middle part all the time, and convenient to use has promoted user's video conversation experience greatly.
In one embodiment, the circumferential outer wall of the first rotary table is provided with a limit groove, a matching block is fixedly connected to the corresponding position of the inner wall of the cylinder body and the limit groove, and the end part of the matching block is positioned in the limit groove.
Through adopting above-mentioned technical scheme, utilize the cooperation of spacing groove and cooperation piece, can carry out spacingly to the rotation angle of first carousel to carry out spacingly to the rotation angle of camera in the horizontal direction.
In one embodiment, the end part of the other rotating shaft is fixedly connected with a second rotating disc, the outer wall of the second rotating disc is provided with a waist groove, the corresponding part of the outer wall of the mounting plate and the waist groove is fixedly connected with a limiting rod, and the limiting rod is positioned in the waist groove.
Through adopting above-mentioned technical scheme, utilize the cooperation of waist groove and gag lever post, can carry out spacingly to the rotation angle of second carousel to carry out spacingly to the camera in the ascending rotation angle of vertical direction.
In one embodiment, the inner wall of the shell is located at one side of the opening and is slidably connected with a baffle, a plurality of L-shaped strips are fixedly connected to the corresponding positions of the inner wall of the shell and the baffle, the baffle is located at the inner side of the L-shaped strips, a limiting strip is fixedly connected to the side wall of the baffle, and the limiting strip is located in the opening.
Through adopting above-mentioned technical scheme, through the setting of baffle, when not using the camera, the spacing strip of accessible operation moves the baffle and removes, shelters from the opening to seal the camera in the casing, thereby avoid lawless persons to control the privacy of camera to the user through the hacker means and take a candid photograph.
In one embodiment, the clamping mechanism comprises a support, the bottom of the barrel is fixedly connected with the top of the support, two clamping plates are symmetrically arranged on two sides of the support, a first straight rod is fixedly connected with the outer wall of the clamping plate, a limiting block is fixedly connected with one end of the first straight rod after penetrating through the side wall of the support, a spring is movably sleeved on the outer wall of the first straight rod, located in the support, one end of the spring abuts against the inner wall of the support, and the other end of the spring abuts against the outer wall of the limiting block.
Through adopting above-mentioned technical scheme, through the setting of two first straight-bars, spring, stopper and splint, can with the network camera centre gripping on not unidimensional equipment or object, promoted the application scope of network camera.
In one embodiment, the outer wall of the clamping plate is fixedly connected with a second straight rod, and one end of the second straight rod penetrates through the outer wall of the support.
Through adopting above-mentioned technical scheme, utilize the setting of second straight-bar, can effectively avoid taking place relative rotation between splint and the support.
In one embodiment, one end of the second straight rod located in the support is fixedly connected with a rack, the middle of the support is rotationally connected with a gear, two racks are symmetrically distributed on two sides of the gear, and the two racks are meshed with the gear.
Through adopting above-mentioned technical scheme, utilize the cooperation of two racks and gear, make two splint produce the linkage to be convenient for operate fixture.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a first turntable according to the present invention;
FIG. 3 is a schematic diagram of the structure of the mating block according to the present invention;
FIG. 4 is a schematic view of a baffle plate according to the present invention;
FIG. 5 is a schematic view of the structure of the waist groove in the present invention;
FIG. 6 is a schematic view of a clamping mechanism according to the present invention;
fig. 7 is a block diagram of the structure of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. the multimedia control integrated machine; 2. a network camera; 3. a housing; 4. a cylinder; 5. a support; 6. a clamping plate; 7. a clamping plate; 8. a limiting block; 9. a limiting block; 10. a second straight rod; 11. a rack; 12. a gear; 13. a transmission shaft; 14. a first turntable; 15. a limit groove; 16. a mating block; 17. a first stepping motor; 18. an opening; 19. a baffle; 20. an L-shaped strip; 21. a limit bar; 22. a camera; 23. a rotating shaft; 24. a mounting plate; 25. a second stepping motor; 26. a second turntable; 27. waist grooves; 28. a limit rod; 29. a CPU; 30. a face recognition module; 31. and a wireless communication module.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily apparent, a more particular description of the invention briefly described above will be rendered by reference to the appended drawings. It is apparent that the specific details described below are only some of the embodiments of the present invention and that the present invention may be practiced in many other embodiments that depart from those described herein. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1-7, the invention provides a multimedia control system based on the internet of things, which comprises a multimedia control integrated machine 1, the top of the multimedia control integrated machine 1 is connected with a network camera 2 through a clamping mechanism, the network camera 2 comprises a shell 3, the bottom of the shell 3 is fixedly connected with a transmission shaft 13, the outer wall of the transmission shaft 13 is rotatably sleeved with a cylinder 4, one end of the transmission shaft 13 positioned in the cylinder 4 is fixedly connected with a first turntable 14, the inner wall of the cylinder 4 is fixedly connected with a first stepper motor 17, the shaft extension end of the first stepper motor 17 is fixedly connected with the first turntable 14, the outer wall of the shell 3 is provided with an opening 18, the corresponding part of the inner part of the shell 3 and the opening 18 is provided with a camera 22, the outer wall of the camera 22 is symmetrically and fixedly connected with two rotating shafts 23, the outer wall of the rotating shafts 23 is rotatably sleeved with a mounting plate 24, the inner wall of the rotating shafts 23 is fixedly connected with a second stepper motor 25, one end of the rotating shaft 23 is fixedly connected with the shaft end of the second stepper motor 25, the inner part of the rotating shaft is fixedly connected with a first stepper motor 3, the inner wall of the shell is provided with a wireless communication module 31, a wireless communication module 31 and a wireless communication module 31 are respectively connected with the wireless camera 2, and a wireless camera module 30 are electrically connected with the wireless camera 2, and a wireless camera module 31.
Through adopting above-mentioned technical scheme, start first step motor 17 drive first carousel 14 and rotate, the usable transmission shaft 13 drives casing 3 and rotates, thereby adjust the shooting angle of camera 22 in the horizontal direction, start second step motor 25, accessible pivot 23 drive camera 22 rotate, thereby adjust the shooting angle of camera 22 in vertical direction, in order to carry out the in-process of video conversation using multimedia control all-in-one 1, when face recognition module 30 detects that the human image of user is not in the screen middle part, CPU29 adjusts the shooting angle of camera 22 through starting first step motor 17 and/or second step motor 25, in order to keep the human image of user to be located the screen middle part all the time, and convenient to use has promoted the video conversation experience of user greatly.
As shown in fig. 3, in an embodiment, a limiting groove 15 is formed in the circumferential outer wall of the first turntable 14, a matching block 16 is fixedly connected to a corresponding portion of the inner wall of the cylinder 4 and the limiting groove 15, and an end portion of the matching block 16 is located in the limiting groove 15.
By utilizing the cooperation of the spacing groove 15 and the cooperation block 16, the rotation angle of the first turntable 14 can be limited, so that the rotation angle of the camera 22 in the horizontal direction is limited.
As shown in fig. 4 and 5, in an embodiment, the end of the other rotating shaft 23 is fixedly connected with a second rotating disc 26, a waist groove 27 is formed on the outer wall of the second rotating disc 26, a stop lever 28 is fixedly connected to the corresponding position between the outer wall of the mounting plate 24 and the waist groove 27, and the stop lever 28 is located in the waist groove 27.
By means of the cooperation of the waist groove 27 and the limiting rod 28, the rotation angle of the second rotary table 26 can be limited, and therefore the rotation angle of the camera 22 in the vertical direction is limited.
With specific reference to fig. 1, 2 and 4, in an embodiment, a baffle 19 is slidably connected to one side of the opening 18 on the inner wall of the housing 3, a plurality of L-shaped strips 20 are fixedly connected to the corresponding positions of the inner wall of the housing 3 and the baffle 19, the baffle 19 is located on the inner side of the L-shaped strips 20, a limit strip 21 is fixedly connected to the side wall of the baffle 19, and the limit strip 21 is located in the opening 18.
Through the setting of baffle 19, when not using camera 22, accessible operation spacing 21 drives baffle 19 and removes, shelters from opening 18 to seal camera 22 in casing 3, thereby avoid the lawless persons to take a candid photograph the privacy of user through hacker's means control camera 22.
As shown in fig. 1 and 6, the clamping mechanism comprises a support 5, the bottom of the cylinder 4 is fixedly connected with the top of the support 5, two clamping plates 6 are symmetrically arranged on two sides of the support 5, a first straight rod 7 is fixedly connected with the outer wall of the clamping plate 6, one end of the first straight rod 7 penetrates through the side wall of the support 5 and then is fixedly connected with a limiting block 8, a spring 9 is movably sleeved on the outer wall of the first straight rod 7 positioned in the support 5, one end of the spring 9 abuts against the inner wall of the support 5, and the other end of the spring 9 abuts against the outer wall of the limiting block 8.
Through the setting of two first straight bars 7, spring 9, stopper 8 and splint 6, can with the centre gripping of network camera 2 on not unidimensional equipment or object, promoted network camera 2's application scope.
With specific reference to fig. 6, in an embodiment, the outer wall of the clamping plate 6 is fixedly connected with a second straight rod 10, and one end of the second straight rod 10 penetrates through the outer wall of the support 5.
By means of the arrangement of the second straight rod 10, the relative rotation between the clamping plate 6 and the support 5 can be effectively avoided.
As shown in fig. 6, further, on the basis of the above embodiment, one end of the second straight rod 10 located in the support 5 is fixedly connected with a rack 11, the middle part of the support 5 is rotatably connected with a gear 12, two racks 11 are symmetrically distributed on two sides of the gear 12, and the two racks 11 are meshed with the gear 12.
The two clamping plates 6 are linked by the cooperation of the two racks 11 and the gear 12, so that the clamping mechanism is convenient to operate.
The working principle of the invention is as follows:
the first stepping motor 17 is started to drive the first rotating disc 14 to rotate, the transmission shaft 13 can be utilized to drive the shell 3 to rotate, so that the shooting angle of the camera 22 in the horizontal direction is adjusted, the second stepping motor 25 is started, the camera 22 is driven to rotate through one rotating shaft 23, so that the shooting angle of the camera 22 in the vertical direction is adjusted, in the process of using the multimedia control integrated machine 1 to carry out video call, when the face recognition module 30 detects that the face of a user is not in the middle of a screen, the CPU29 adjusts the shooting angle of the camera 22 by starting the first stepping motor 17 and/or the second stepping motor 25, so that the face of the user is kept in the middle of the screen all the time, the use is convenient, and the video call experience of the user is greatly improved.
The rotation angle of the first turntable 14 can be limited by utilizing the cooperation of the limiting groove 15 and the cooperation block 16, so that the rotation angle of the camera 22 in the horizontal direction is limited, and the rotation angle of the second turntable 26 can be limited by utilizing the cooperation of the waist groove 27 and the limiting rod 28, so that the rotation angle of the camera 22 in the vertical direction is limited.
Through the setting of baffle 19, when not using camera 22, accessible operation spacing 21 drives baffle 19 and removes, shelters from opening 18 to seal camera 22 in casing 3, thereby avoid the lawless persons to take a candid photograph the privacy of user through hacker's means control camera 22.
Through the setting of two first straight bars 7, spring 9, stopper 8 and splint 6, can with the centre gripping of network camera 2 on not unidimensional equipment or object, promoted network camera 2's application scope, utilize the setting of second straight bar 10, can effectively avoid taking place relative rotation between splint 6 and the support 5, utilize the cooperation of two racks 11 and gear 12, make two splint 6 produce the linkage to be convenient for operate clamping mechanism.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications, substitutions and improvements can be made by those skilled in the art without departing from the spirit of the invention, and are intended to be within the scope of the invention. Accordingly, the protection scope of the present invention is subject to the claims.
Claims (4)
1. The utility model provides a multimedia control system based on thing networking, a serial communication port, including multimedia control all-in-one (1), the top of multimedia control all-in-one (1) is connected with webcam (2) through fixture, webcam (2) are including casing (3), the bottom fixedly connected with transmission shaft (13) of casing (3), the outer wall rotation of transmission shaft (13) has cup jointed barrel (4), one end fixedly connected with first carousel (14) that transmission shaft (13) are located barrel (4), the inner wall fixedly connected with first stepper motor (17) of barrel (4), the shaft extension end and first carousel (14) fixedly connected with of first stepper motor (17), opening (18) have been seted up to the outer wall of casing (3), the inside of casing (3) is provided with camera (22) with the correspondence of opening (18), the outer wall symmetry fixedly connected with two pivots (23) of pivot (23), the outer wall rotation of pivot (23) has cup jointed barrel (24), the inner wall fixedly connected with first stepper motor (17) of inner wall (23), the shaft extension end of first stepper motor (25) of second stepper motor (25) is connected with first spindle (25), the inside of casing (3) is connected with CPU fixedly connected with end of spindle (25) The face recognition system comprises a face recognition module (30) and a wireless communication module (31), wherein the network camera (2) is in communication connection with the multimedia control integrated machine (1) through the wireless communication module (31), and the first stepping motor (17), the camera (22), the second stepping motor (25) and the face recognition module (30) are electrically connected with a CPU (central processing unit) (29);
the clamping mechanism comprises a support (5), the bottom of the cylinder body (4) is fixedly connected with the top of the support (5), two clamping plates (6) are symmetrically arranged on two sides of the support (5), a first straight rod (7) is fixedly connected to the outer wall of the clamping plate (6), a limiting block (8) is fixedly connected to one end of the first straight rod (7) after penetrating through the side wall of the support (5), a spring (9) is movably sleeved on the outer wall of the first straight rod (7) located in the support (5), one end of the spring (9) abuts against the inner wall of the support (5), and the other end of the spring (9) abuts against the outer wall of the limiting block (8);
the outer wall of the clamping plate (6) is fixedly connected with a second straight rod (10), and one end of the second straight rod (10) penetrates through the outer wall of the support (5);
one end of the second straight rod (10) located in the support (5) is fixedly connected with a rack (11), the middle part of the support (5) is rotationally connected with a gear (12), two racks (11) are symmetrically distributed on two sides of the gear (12), and the two racks (11) are meshed with the gear (12).
2. The internet of things-based multimedia control system according to claim 1, wherein a limit groove (15) is formed in the circumferential outer wall of the first rotating disc (14), a matching block (16) is fixedly connected to the corresponding position of the inner wall of the cylinder (4) and the limit groove (15), and the end part of the matching block (16) is located in the limit groove (15).
3. The internet of things-based multimedia control system according to claim 1, wherein a second rotary table (26) is fixedly connected to the end portion of the other rotary shaft (23), a waist groove (27) is formed in the outer wall of the second rotary table (26), a limiting rod (28) is fixedly connected to the corresponding position of the outer wall of the mounting plate (24) and the waist groove (27), and the limiting rod (28) is located in the waist groove (27).
4. The internet of things-based multimedia control system according to claim 1, wherein a baffle (19) is slidably connected to one side of the opening (18) on the inner wall of the housing (3), a plurality of L-shaped strips (20) are fixedly connected to the corresponding positions of the inner wall of the housing (3) and the baffle (19), the baffle (19) is located on the inner side of the L-shaped strips (20), a limit strip (21) is fixedly connected to the side wall of the baffle (19), and the limit strip (21) is located in the opening (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207185.3A CN113079345B (en) | 2021-02-23 | 2021-02-23 | Multimedia control system based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207185.3A CN113079345B (en) | 2021-02-23 | 2021-02-23 | Multimedia control system based on Internet of things |
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| CN113079345A CN113079345A (en) | 2021-07-06 |
| CN113079345B true CN113079345B (en) | 2023-08-01 |
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| CN202110207185.3A Active CN113079345B (en) | 2021-02-23 | 2021-02-23 | Multimedia control system based on Internet of things |
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Citations (4)
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| CN208805858U (en) * | 2018-11-07 | 2019-04-30 | 吴琼 | A kind of face recognition gate inhibition all-in-one machine |
| CN210428474U (en) * | 2019-09-10 | 2020-04-28 | 广州科升信息科技有限公司 | Face recognition all-in-one machine |
| CN111956433A (en) * | 2020-08-13 | 2020-11-20 | 南京宝登智能科技有限公司 | Multifunctional medical vehicle for prison department |
| CN212537389U (en) * | 2020-07-08 | 2021-02-12 | 江西欧维星科技有限公司 | Camera equipment based on 3D face identification |
-
2021
- 2021-02-23 CN CN202110207185.3A patent/CN113079345B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208805858U (en) * | 2018-11-07 | 2019-04-30 | 吴琼 | A kind of face recognition gate inhibition all-in-one machine |
| CN210428474U (en) * | 2019-09-10 | 2020-04-28 | 广州科升信息科技有限公司 | Face recognition all-in-one machine |
| CN212537389U (en) * | 2020-07-08 | 2021-02-12 | 江西欧维星科技有限公司 | Camera equipment based on 3D face identification |
| CN111956433A (en) * | 2020-08-13 | 2020-11-20 | 南京宝登智能科技有限公司 | Multifunctional medical vehicle for prison department |
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| CN113079345A (en) | 2021-07-06 |
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