CN110662124B - Holographic 3D projection stereo set - Google Patents
Holographic 3D projection stereo set Download PDFInfo
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- CN110662124B CN110662124B CN201910291923.XA CN201910291923A CN110662124B CN 110662124 B CN110662124 B CN 110662124B CN 201910291923 A CN201910291923 A CN 201910291923A CN 110662124 B CN110662124 B CN 110662124B
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- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 12
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/22—Matching criteria, e.g. proximity measures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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Abstract
The invention provides a projection sound, which comprises the following devices: a prismatic light reflecting device; the upper part and the lower part of the fixed seat are respectively fixed with the terminal and the reflecting device; the device is characterized in that a Bluetooth mainboard and a loudspeaker connected with the Bluetooth mainboard are arranged at the position of the reflecting device, in the use process, the terminal is firstly horizontally placed on a fixed frame, the screen of the terminal faces upwards or downwards, the screen faces of the terminal face opposite to the light device, then the reflecting device is arranged on the upper part of the screen of the terminal, the terminal and the reflecting device are fixed through a fixing seat, then the Bluetooth mainboard of the light emitting device is connected with a Bluetooth module of the terminal, audio data sent by the terminal are received and played through the loudspeaker, in the process, the video is three-dimensionally displayed on the screen of the terminal through a 3D-VR projection technology, a virtual imaging technology, an optical interference diffraction principle and the like.
Description
Technical Field
The invention relates to the technical fields of optics and Internet, in particular to a holographic 3D projection sound.
Background
At present, the variety of stereo set is various, but the main function of stereo set still lies in playing music for present stereo set function is comparatively single, and does not have the show function of image or video, has reduced the practicality of stereo set.
Disclosure of Invention
The invention provides a holographic 3D projection sound box which is used for being matched with a terminal to perform holographic playing and music playing of video.
A holographic 3D projection sound comprising the following means:
a prismatic light reflecting device;
the upper part and the lower part of the fixed seat are respectively fixed with the terminal and the reflecting device;
the blue tooth main board and the loudspeaker connected with the blue tooth main board are arranged at the position of the reflecting device, and the loudspeaker is arranged at any position of the reflecting device.
Further, the method comprises the steps of,
the cross-sectional area of the lower part of the reflecting device is smaller than the cross-sectional area of the upper part of the reflecting device;
the upper part of the fixed seat is detachably connected with the bottom of the reflecting device;
the lower part of the fixed seat is sucked with a screen of the terminal;
the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material.
Further, the method comprises the steps of,
the center of the fixed seat is fixed with the center of the reflecting device;
the center of the fixing seat is sucked with the center of the screen.
Further, the method comprises the steps of,
the cross-sectional area of the lower part of the reflecting device is larger than the cross-sectional area of the upper part of the reflecting device;
the upper part of the fixed seat is detachably connected with the bottom of the reflecting device;
the lower part of the fixed seat is sucked with a screen of the terminal;
the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material.
Further, the method comprises the steps of,
the fixing seat comprises four sucking sheets which are respectively positioned at four corners of the bottom of the reflecting device;
the upper parts of the four suction sheets are connected with the bottom of the light reflecting device;
the lower parts of the four suction sheets are sucked with the screen.
Further, the method comprises the steps of,
the voice recognition module comprises a pickup, the pickup is used for recognizing sound and generating audio data, the audio data are sent to the server, and playing data sent by the server are received for playing.
Further, the method comprises the steps of,
the holographic 3D projection sound equipment comprises a portable device, wherein the portable device comprises a storage device, a storage cavity for containing a reflecting device is formed in the storage device from top to bottom, and a cover plate is hinged to the upper part of the storage cavity; one side of the storage device is provided with a wearing device which is detachably connected with the storage device, one side of the wearing device is provided with a fixing buckle, and the fixing buckle is used for enabling a belt worn by a worker to pass through and be fixed with the belt.
Further, the method comprises the steps of,
the wearing device is provided with a first bulge on the opposite side of the fixing buckle, the storage device is provided with a groove, the first bulge is clamped with the groove, and a fixing unit for fixing the first bulge is arranged at the shell. The first bulge and the groove are fixed through the fixing unit, so that the purpose of fixing the wearing device and the storage device is achieved;
the fixing unit comprises a connecting hole, the connecting hole is communicated with the groove, a fixing pin is arranged in the connecting hole, and a clamping groove is formed in the middle of the first protrusion; the bottom of fixed pin with draw-in groove joint, the middle part both sides of connecting hole are provided with elastic connection spare and deposit the room, the middle part both sides of fixed pin are provided with the second arch, the second arch respectively with elastic connection spare fixed connection. Wherein the elastic connection is preferably provided as a spring;
the first bulge is in a cone shape at one side far away from the fixing buckle; the clamping groove faces the connecting hole, one end of the fixing pin is positioned outside the connecting hole, and the other end of the fixing pin stretches into the groove under the condition that the elastic connecting piece is reset; when the wearing device and the shell are required to be fixed, the first bulge is inserted into the groove, and when the clamping groove of the first bulge is opposite to the connecting hole, the fixing pin is inserted into the clamping groove, the wearing device and the shell are fixed at the moment, and the storage device and the wearing device have a fixed relation; when the wearing device and the shell are required to be fixed, the fixing pin is pulled upwards, the elastic connecting piece is extruded by the second protrusion, the fixing pin is separated from the clamping groove, the clamping relationship between the first protrusion and the groove is released, and the storage device and the wearing device are not in fixed relationship.
Further, the method comprises the steps of,
the holographic 3D projection sound also comprises an automatic identification playing system, and the automatic identification playing system comprises the following steps:
acquiring a first face diagram;
comparing the first face image with a preset second face image, and after the second face image corresponding to the first face image is identified, sending playing data corresponding to the second face image to a loudspeaker for playing.
Further, the method comprises the steps of,
the step of comparing the first face image with a preset second face image further comprises the following steps:
the first face diagram is M, the processing unit matrices the first face diagram to be M (x, y), and the following matrix is established:
m xy the RGB values of pixel coordinate points of the first face image are represented by x, x is the length of the first face image, and y is the width of the first face image;
the processing unit matrices the second face map to be N (x, y), and establishes the following matrix:
n xy the RGB values of the pixel coordinate points of the second face image are x, the length of the second face image is x, and the width of the second face image is y;
then with the general identification feature of the first face diagramPerforming rotary translation expansion and contraction on the second face image for the standard, so that the directions, the orientations and the sizes of the faces are consistent;
wherein N is new (x, y) is a new matrix of the second face map obtained by taking the recognition feature as a standard,for the purpose of expansion and contraction, ->For the rotation matrix, i is the direction of rotation, j is the angle of rotation, < >>For the translation matrix, q is the horizontal translation degree, and p is the vertical translation degree;
after converting the first face diagram and the second face diagram into a matrix under a unified standard, calculating the characteristic vectors of the matrix of the first face diagram and the matrix of the second face diagram by utilizing a similar diagonalization principle, and respectively forming a characteristic matrix by the calculated characteristic vectors of the first face diagram and the second face diagram to be marked as T 1k And T 2l K and l represent the number of eigenvectors in the matrix, and the similarity between each eigenvector in the first matrix and all eigenvectors in the second matrix is obtained by using a cosine similarity plus correction method as follows:
wherein w is T 1k The total number of the characteristic vectors in the vector, v is T 2l The total number of the characteristic vectors, c is T 1k And T 2l The number of the same elements in the formula, f is only T 1k Is present at T 2l The number of elements not present in the matrix, d being T only 2l Is present at T 1k The number of the elements which do not exist in the system, delta is a correction coefficient;
similarity degreeThe first face image and the second face image which are larger than the first preset value are the sameCorresponding to the state.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a first mounting embodiment of a holographic 3D projection stereo;
FIG. 2 is a schematic view of a first mounting embodiment of a light reflecting device;
FIG. 3 is a schematic view of a second mounting embodiment of a light reflecting device;
FIG. 4 is a schematic view of a third embodiment of a light reflecting device;
FIG. 5 is a schematic diagram of a portable device;
fig. 6 is a cross-sectional view of the portable device.
01. A fixed frame; 02. a light reflecting device; 03. a suction cup; 04. a speaker; 05. a terminal; 1. a storage device; 11. a groove; 12. a connection hole; 13. a fixing pin; 14. an elastic connection member; 15. a second protrusion; 16. a cover plate; 17. a storage cavity; 2. wearing a device; 21. a fixing buckle; 22. a first protrusion; 221. a clamping groove.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides a holographic 3D projection sound, which is shown in a structural schematic diagram in fig. 1 and comprises the following devices:
a prismatic light reflecting device;
the upper part and the lower part of the fixed seat are respectively fixed with the terminal and the reflecting device;
the blue tooth main board and the loudspeaker connected with the blue tooth main board are arranged at the position of the reflecting device, and the loudspeaker is arranged at any position of the reflecting device. The fixing seat is integrally arranged in a cuboid frame. Fig. 1 shows a first embodiment of a holder, which is a large holding frame. And the holographic 3D projection sound is additionally provided with an intelligent AI song recognition module, and when the loudspeaker receives the sound data of the song name and the sound data of the name, the intelligent AI song recognition module calls a music database and recognizes other music of the singer.
The technical proposal has the effects and the principle that,
in the use process, the terminal is horizontally placed on a fixed way, the screen of the terminal faces upwards or downwards, the screen face of the terminal faces opposite to the light device, then the light reflecting device is arranged on the upper part of the screen of the terminal, the terminal and the light reflecting device are fixed through the fixing seat, then the Bluetooth main board of the light emitting device is connected with the Bluetooth module of the terminal, audio data sent by the terminal are received and played through a loudspeaker, in the process, the video is played on the screen of the terminal, and the video is three-dimensionally presented on the video played on the screen of the terminal by the light emitting device through a 3D-VR projection technology, a virtual imaging technology, an optical interference diffraction principle and the like. The 3D projection stereo system adopts a holographic 3D-VR projection technology and a virtual imaging technology, utilizes the interference diffraction principle of light, and records and online real three-dimensional images of objects.
In one embodiment, as shown in fig. 2, the lower cross-sectional area of the light reflecting means is smaller than the upper cross-sectional area of the light reflecting means; the upper part of the fixed seat is detachably connected with the bottom of the reflecting device; the lower part of the fixed seat is sucked with a screen of the terminal, and the fixed seat in the embodiment is a sucker; the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material. By adopting the mode, the reflecting device is arranged on the screen, and video played by the screen can be projected into the reflecting device through light interference and diffraction. This embodiment provides 4 speakers at the bottom of the reflector, as shown in fig. 3.
In one embodiment, the center of the fixing seat is fixed with the center of the light reflecting device; the center of the fixing seat is sucked with the center of the screen. The center of the fixing seat is sucked with the center of the screen, so that the fixing seat and the screen are convenient to detach.
In one embodiment, the lower cross-sectional area of the light reflecting means is larger than the upper cross-sectional area of the light reflecting means; the upper part of the fixed seat is detachably connected with the bottom of the reflecting device; the lower part of the fixed seat is sucked with a screen of the terminal; the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material. By adopting the mode, the reflecting device is arranged on the screen, and video played by the screen can be projected to the outer surface of the reflecting device through interference and diffraction of light.
In one embodiment, the fixing base comprises four sucking and sheet, and the four sucking and sheet are respectively positioned at four corners of the bottom of the reflecting device; the upper parts of the four suction sheets are connected with the bottom of the light reflecting device; the lower parts of the four suction sheets are sucked with the screen. Because the center of fixing base and the center of screen inhale and, make things convenient for the dismantlement between fixing base and the screen, inhale and piece and reflex reflector between be provided with 4 speakers.
In one embodiment, the system further comprises a voice recognition module, wherein the voice recognition module comprises a pickup for recognizing sound and generating audio data, and the audio data is sent to the server and received by the playing data sent by the server to be played. The voice recognition module can be used for recognizing the voice, namely, under the condition that certain music is played outside, corresponding video can be played according to the atmosphere of the music, so that the played video has the same atmosphere as the music.
As shown in fig. 4, the third embodiment of the light reflecting device is schematically shown, wherein the light reflecting device has a prismatic shape, and the cross-sectional area of the bottom surface is smaller than the cross-sectional area of the upper surface. The speakers are disposed at four corners of the upper surface. The lower surface of the light reflecting device can be arranged at the upper part of the terminal display screen.
In one embodiment, the holographic 3D projection sound comprises a portable device, wherein the portable device comprises a storage device, a storage cavity for containing a light reflecting device is formed in the storage device from top to bottom, and a cover plate is hinged to the upper part of the storage cavity; one side of the storage device is provided with a wearing device which is detachably connected with the storage device, one side of the wearing device is provided with a fixing buckle, and the fixing buckle is used for enabling a belt worn by a worker to pass through and be fixed with the belt. The portable device is convenient to hold the reflecting device and convenient to carry.
In one embodiment, a first protrusion is provided on the opposite side of the wearing device where the fixing buckle is provided, the storage device is provided with a groove, the first protrusion is clamped with the groove, and a fixing unit for fixing the first protrusion is provided at the housing. The first bulge and the groove are fixed through the fixing unit, so that the purpose of fixing the wearing device and the storage device is achieved;
the fixing unit comprises a connecting hole, the connecting hole is communicated with the groove, a fixing pin is arranged in the connecting hole, and a clamping groove is formed in the middle of the first protrusion; the bottom of fixed pin with draw-in groove joint, the middle part both sides of connecting hole are provided with elastic connection spare and deposit the room, the middle part both sides of fixed pin are provided with the second arch, the second arch respectively with elastic connection spare fixed connection. Wherein the elastic connection is preferably provided as a spring;
the first bulge is in a cone shape at one side far away from the fixing buckle; the clamping groove faces the connecting hole, one end of the fixing pin is positioned outside the connecting hole, and the other end of the fixing pin stretches into the groove under the condition that the elastic connecting piece is reset; when the wearing device and the shell are required to be fixed, the first bulge is inserted into the groove, and when the clamping groove of the first bulge is opposite to the connecting hole, the fixing pin is inserted into the clamping groove, the wearing device and the shell are fixed at the moment, and the storage device and the wearing device have a fixed relation; when the wearing device and the shell are required to be fixed, the fixing pin is pulled upwards, the elastic connecting piece is extruded by the second protrusion, the fixing pin is separated from the clamping groove, the clamping relationship between the first protrusion and the groove is released, and the storage device and the wearing device are not in fixed relationship.
In one embodiment, the holographic 3D projection stereo further comprises an automatic recognition playing system, the automatic recognition playing system comprising the steps of: acquiring a first face diagram; comparing the first face image with a preset second face image, and after the second face image corresponding to the first face image is identified, sending playing data corresponding to the second face image to a loudspeaker for playing. By the mode, the song list and video recording function can be realized, the second face image is prestored, and the second face image has playing data corresponding to the second face image, namely when the first face image and the second face image are in a corresponding relation, the first face image and the second face image are the same person by default, and the playing data of the second face image are played.
In one embodiment, where the first face map is M, the processing unit matrices the first face map to be M (x, y), and establishes the following matrix:
m xy the RGB values of the pixel coordinate points of the first face map are determined in the above manner, wherein x is the length of the first face map, y is the width of the first face map.
The processing unit matrices the second face map to be N (x, y), and establishes the following matrix:
n xy and determining the RGB value of each pixel coordinate point of the second face image in the above mode, wherein x is the length of the second face image and y is the width of the second face image.
Then with the general identification feature of the first face diagramPerforming rotary translation expansion and contraction on the second face image for the standard, so that the directions, the orientations and the sizes of the faces are consistent;
wherein N is new (x, y) is a new matrix of the second face map obtained by taking the recognition feature as a standard,for the purpose of expansion and contraction, ->For the rotation matrix, i is the direction of rotation, j is the angle of rotation, < >>For translation matrix, q is horizontal translation degree, and p is vertical translation degree, convert first face drawing and second face drawing through above mode for first face drawing and second face drawing are in the same dimension in the in-process of comparison, and the size is the same, and the result of comparing is more accurate.
After converting the first face diagram and the second face diagram into a matrix under a unified standard, calculating the characteristic vectors of the matrix of the first face diagram and the matrix of the second face diagram by utilizing a similar diagonalization principle, and respectively forming a characteristic matrix by the calculated characteristic vectors of the first face diagram and the second face diagram to be marked as T 1k And T 2l Method for correcting characteristic vectors in matrix by using cosine similarityThe similarity between each eigenvector in the first matrix and all eigenvectors in the second matrix is calculated as follows:
wherein w is T 1k The total number of the characteristic vectors in the vector, v is T 2l The total number of the characteristic vectors, c is T 1k And T 2l The number of the same elements in the formula, f is only T 1k Is present at T 2l The number of elements not present in the matrix, d being T only 2l Is present at T 1k The number of elements not existing in the table, delta is a correction coefficient. Wherein the feature vector may be a color, a shading, etc., i.e. when the more similar elements of the first element and the second element are,the larger.
Similarity degreeThe first face image and the second face image which are larger than the first preset value are in corresponding states.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. A holographic 3D projection sound, comprising the following means:
a prismatic light reflecting device;
the upper part and the lower part of the fixed seat are respectively fixed with the terminal and the reflecting device;
the Bluetooth main board and the loudspeaker connected with the Bluetooth main board are arranged at the light reflecting device, and the loudspeaker is arranged at any position of the light reflecting device;
the holographic 3D projection sound also comprises an automatic identification playing system, and the automatic identification playing system comprises the following steps:
acquiring a first face diagram;
comparing the first face image with a preset second face image, and after the second face image corresponding to the first face image is identified, sending playing data corresponding to the second face image to a loudspeaker for playing;
the step of comparing the first face image with a preset second face image further comprises the following steps:
the first face diagram is M, the processing unit matrices the first face diagram to be M (x, y), and the following matrix is established:
m xy the RGB values of pixel coordinate points of the first face image are represented by x, x is the length of the first face image, and y is the width of the first face image;
the processing unit matrices the second face map to be N (x, y), and establishes the following matrix:
n xy the RGB values of the pixel coordinate points of the second face image are x, the length of the second face image is x, and the width of the second face image is y;
then with the general identification feature of the first face diagramPerforming rotary translation expansion and contraction on the second face image for the standard, so that the directions, the orientations and the sizes of the faces are consistent;
wherein N is new (x, y) is a new matrix of the second face map obtained by taking the recognition feature as a standard,for the purpose of expansion and contraction, ->For the rotation matrix, i is the direction of rotation, j is the angle of rotation, < >>For the translation matrix, q is the horizontal translation degree, and p is the vertical translation degree;
after converting the first face diagram and the second face diagram into a matrix under a unified standard, calculating the characteristic vectors of the matrix of the first face diagram and the matrix of the second face diagram by utilizing a similar diagonalization principle, and respectively forming a characteristic matrix by the calculated characteristic vectors of the first face diagram and the second face diagram to be marked as T 1k And T 2l K and l represent the number of eigenvectors in the matrix, and the similarity between each eigenvector in the first matrix and all eigenvectors in the second matrix is obtained by using a cosine similarity plus correction method as follows:
wherein w is T 1k The total number of the characteristic vectors in the vector, v is T 2l The total number of the characteristic vectors, c is T 1k And T 2l The number of the same elements in the formula, f is only T 1k Is present at T 2l The number of elements not present in the matrix, d being T only 2l Is present at T 1k The number of the elements which do not exist in the system, delta is a correction coefficient;
similarity degreeThe first face image and the second face image which are larger than the first preset value are in corresponding states.
2. The holographic 3D projection stereo set of claim 1, wherein,
the cross-sectional area of the lower part of the reflecting device is smaller than the cross-sectional area of the upper part of the reflecting device;
the upper part of the fixed seat is detachably connected with the bottom of the reflecting device;
the lower part of the fixed seat is sucked with a screen of the terminal;
the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material.
3. The holographic 3D projection stereo set of claim 2, wherein,
the center of the fixed seat is fixed with the center of the reflecting device;
the center of the fixing seat is sucked with the center of the screen.
4. The holographic 3D projection stereo set of claim 1, wherein,
the cross-sectional area of the lower part of the reflecting device is larger than the cross-sectional area of the upper part of the reflecting device;
the upper part of the fixed seat is detachably connected with the bottom of the reflecting device;
the lower part of the fixed seat is sucked with a screen of the terminal;
the light reflecting device is made of holographic acrylic materials and further comprises a fixing frame used for fixing the light reflecting device, wherein the fixing frame is arranged around the light reflecting device, and the fixing frame is made of an O Li Siya acrylic material.
5. The holographic 3D projection stereo set of claim 4, wherein,
the fixing seat comprises four sucking sheets which are respectively positioned at four corners of the bottom of the reflecting device;
the upper parts of the four suction sheets are connected with the bottom of the light reflecting device;
the lower parts of the four suction sheets are sucked with the screen.
6. The holographic 3D projection stereo set of claim 1, wherein,
the voice recognition module comprises a pickup, the pickup is used for recognizing sound and generating audio data, the audio data are sent to the server, and playing data sent by the server are received for playing.
7. The holographic 3D projection stereo set of claim 6, wherein,
the holographic 3D projection sound comprises a portable device, the portable device comprises a storage device (1), a storage cavity (17) for containing a light reflecting device is formed in the storage device (1) from top to bottom, and a cover plate (16) is hinged to the upper part of the storage cavity (17); one side of the storage device (1) is provided with a wearing device (2) detachably connected with the storage device, one side of the wearing device (2) is provided with a fixing buckle (21), and the fixing buckle (21) is used for enabling a belt worn by a worker to pass through and be fixed with the belt.
8. The holographic 3D projection stereo set of claim 1, wherein,
the wearing device (2) is provided with a first bulge (22) on the opposite side of the fixing buckle (21), the storage device (1) is provided with a groove (11), the first bulge (22) is clamped with the groove (11), a fixing unit for fixing the first bulge (22) is arranged at the shell, and the first bulge (22) and the groove (11) are fixed through the fixing unit, so that the purpose of fixing the wearing device (2) and the storage device (1) is achieved;
the fixing unit comprises a connecting hole (12), the connecting hole (12) is communicated with the groove (11), a fixing pin (13) is arranged in the connecting hole (12), and a clamping groove (221) is formed in the middle of the first protrusion (22); the bottom of the fixing pin (13) is clamped with the clamping groove (221), two sides of the middle of the connecting hole (12) are provided with elastic connecting piece (14) storage chambers, two sides of the middle of the fixing pin (13) are provided with second bulges (15), the second bulges (15) are fixedly connected with the elastic connecting pieces (14) respectively, and the elastic connecting pieces (14) are preferably arranged as springs;
the first bulge (22) is arranged in a cone shape at one side far away from the fixing buckle (21); the clamping groove (221) is arranged facing the connecting hole (12), one end of the fixing pin (13) is positioned outside the connecting hole (12), and the other end of the fixing pin is inserted into the groove (11) under the condition that the elastic connecting piece (14) is reset; when the wearing device (2) and the shell are required to be fixed, the first bulge (22) is inserted into the groove (11), and when the clamping groove (221) of the first bulge (22) is opposite to the connecting hole (12), the fixing pin (13) is inserted into the clamping groove (221), at the moment, the wearing device (2) and the shell are fixed, and at the moment, a fixed relation exists between the storage device (1) and the wearing device (2); when the wearing device (2) and the shell are required to be released from fixation, the fixing pin (13) is pulled upwards, the elastic connecting piece (14) is extruded by the second bulge (15), the fixing pin (13) is separated from the clamping groove (221), at the moment, the clamping relation between the first bulge (22) and the groove (11) is released, and at the moment, the storage device (1) and the wearing device (2) are not in fixed relation.
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| JP2005057488A (en) * | 2003-08-04 | 2005-03-03 | Nec Corp | Mobile terminal |
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| WO2015018257A1 (en) * | 2013-08-03 | 2015-02-12 | Yuan Zhi Xian | Wireless car sound equipment using dual control of voice recognition and image recognition |
| CN107293236A (en) * | 2017-07-27 | 2017-10-24 | 耿凯 | The intelligent display device of adaptive different user |
| CN108288469A (en) * | 2018-01-22 | 2018-07-17 | 维沃移动通信有限公司 | A kind of speaker and exchange method |
| CN207854135U (en) * | 2017-12-27 | 2018-09-11 | 杭州奇谋网络科技有限公司 | The holographic pyramidal Baffle Box of Bluetooth of band |
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| JP2005057488A (en) * | 2003-08-04 | 2005-03-03 | Nec Corp | Mobile terminal |
| WO2015018257A1 (en) * | 2013-08-03 | 2015-02-12 | Yuan Zhi Xian | Wireless car sound equipment using dual control of voice recognition and image recognition |
| CN203941674U (en) * | 2014-07-01 | 2014-11-12 | 西安真我三维科技有限公司 | A kind of portable 3D exhibiting device |
| CN107293236A (en) * | 2017-07-27 | 2017-10-24 | 耿凯 | The intelligent display device of adaptive different user |
| CN207854135U (en) * | 2017-12-27 | 2018-09-11 | 杭州奇谋网络科技有限公司 | The holographic pyramidal Baffle Box of Bluetooth of band |
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