CN115462760A - Projection device for tongue surface detection and projection system thereof - Google Patents

Abstract

The invention relates to the technical field of image acquisition and processing equipment, and discloses a projection device for tongue surface detection.

Description

Projection device for tongue surface detection and projection system thereof

Technical Field

The invention relates to the technical field of image acquisition and processing equipment, in particular to a projection device for tongue surface detection and a projection system thereof.

Background

Tongue diagnosis is a simple and effective method for assisting diagnosis and identification by observing changes in color and form of the tongue, and is one of the key points of inspection. The remote diagnosis and treatment of the tongue surface is realized by benefiting from the development of the internet technology, and the tongue surface information is collected by a patient at home, a subordinate hospital or other collection points, is remotely projected onto a display device through the internet, and is more accurately diagnosed by an experienced doctor.

For remote diagnosis, the accuracy of image acquisition directly influences the accuracy of diagnosis, and when tongue surface image acquisition is carried out, the influence of ambient light is great, and simultaneously, the liquid on the tongue surface also can produce the reflection of light, produces excessive exposure area, consequently, gathers tongue surface information through the camera bellows with suitable light source, can overcome the influence of ambient light, also can reduce the influence of liquid reflection, improves the accuracy of tongue surface information acquisition.

The camera in the camera bellows and the position of light source are relatively fixed, but because everyone's size is all inequality with the gesture when using, it all keeps at the optimum angle to be difficult to guarantee to shoot the angle and polish the angle, influences image acquisition quality, influences the diagnosis.

The dark box is usually closed, and when the tongue surface information of a user is collected, the face of the user is tightly attached to the opening of the dark box, so that a relatively closed space is formed in the dark box. The space in the camera bellows is relatively small, the internal space of the camera bellows can be filled with the gas exhaled by the user, and the exhaled gas is likely to carry germs to infect subsequent users.

Secondly, the user may cough involuntarily during the examination, the cough may exhale a large amount of droplets, the space inside the dark fragrance is narrow, the droplets may adhere to the lens or the inner wall, the droplets adhering to the lens may affect the quality of the picture, and the droplets adhering to the inner wall of the dark box may carry germs to infect the next user.

Disclosure of Invention

In order to overcome the defects of the background technology, the invention provides a projection device for tongue surface detection and a projection system thereof, wherein a coaxial light source and a camera rotate around a tongue and take pictures simultaneously, the taken pictures have higher consistency for people with different postures and body types, and are convenient for machine analysis.

The invention provides the following technical scheme: a projection device for tongue surface detection comprises an image acquisition component, a server and an image display component:

the image acquisition component comprises a camera bellows with an opening at the front end, the front end of the camera bellows is provided with a mask, the side wall of the camera bellows is hinged with a rotating frame, the hinged point of the rotating frame is positioned in the projection range of the chin and the tongue of a user on the side wall, the rotating frame is fixedly connected with a coaxial light source and a camera, the camera is connected with a controller, the controller and a server carry out information transmission, and the rotating frame is connected with a servo motor for driving the rotating frame to rotate;

the rotating turret fixedly connected with connecting rod, connecting rod detachable is connected with the shielding curtain, the bottom butt of shielding curtain the bottom of camera bellows, the surface of shielding curtain is equipped with the carbon fiber layer, the top of camera bellows is equipped with the gas pocket, the gas pocket is located the front side of shielding curtain, the camera bellows intercommunication has the chamber of giving vent to anger, it is equipped with the fan to go out the intracavity, it is located the rear side of shielding curtain to go out the chamber.

Preferably, the shielding curtain includes the direction curtain of being connected with the camera bellows back wall and the isolation curtain of being connected with the camera bellows bottom, form dead angle chamber, negative pressure chamber and breathing chamber between direction curtain, the isolation curtain and the camera bellows, the negative pressure chamber communicates with the chamber of giving vent to anger, the negative pressure in negative pressure chamber sees through the shielding curtain and acts on in dead angle chamber and breathing chamber.

Preferably, the bottom detachable of camera bellows is connected with the bottom plate, be equipped with the slot in intercommunication breathing chamber and negative pressure chamber on the bottom plate, the bottom shielding of isolation curtain is on the bottom plate.

Preferably, the upper portion of breathing chamber is equipped with the air guide plate of slope, the one end and the camera bellows front end open-ended upper wall of air guide plate are connected.

Preferably, a secondary display screen is arranged on the camera bellows corresponding to the eyes, and the secondary display screen is connected with the camera and displays pictures shot by the camera.

Preferably, the centre position of camera bellows front end open-ended is equipped with the chin strap, the chin strap includes the slider with camera bellows sliding connection, the slider is connected with the U-shaped through the slider rotation and is held in the palm.

Preferably, the connecting rod is hinged with an adjusting frame, a driving motor is arranged between the adjusting frame and the connecting rod and used for driving the adjusting frame to rotate, and the top of the adjusting frame supports the shielding curtain.

Preferably, a pressure sensor is arranged on the U-shaped support and used for sensing the pressure applied to the sliding block, and when the pressure monitored by the pressure sensor is greater than a set value, the adjusting frame is triggered to rotate to the highest position.

A projection system for a tongue surface detection projection device, which controls the tongue surface detection projection device, comprises the following steps:

s1, after the equipment is started, a fan in the air outlet cavity is started to form unidirectional flowing air flow and clean germs floating in the camera bellows;

s2, the face of the user is tightly attached to the mask, the coaxial light source and the camera are started, the controller detects the posture of the tongue surface, and when the posture meets the requirements, the step S3 is carried out;

s3, the rotating frame starts to rotate, when the rotating frame rotates for a set angle, the camera takes a picture, and the controller uploads the picture to the server;

s4, the server processes the pictures, unqualified pictures are deleted, the qualified pictures are stored in the server, if the qualified pictures are not available or are less than a set value, the qualified pictures are fed back to the controller, and the controller reminds a user that the pictures are unqualified and need to be shot again;

and S5, the image display part acquires and displays the photo information corresponding to the server through the extraction code.

The invention has the following beneficial effects:

1. this be used for tongue face to detect and use projection arrangement and projection system thereof, under the effect of rotating turret, coaxial light source and camera are rotatory and shoot round the tongue simultaneously, and to the people of different gestures and size, the photo of shooting has higher uniformity, and the machine analysis of being convenient for also can guarantee to shoot high-quality photo simultaneously.

2. This be used for lingual surface to detect and use projection arrangement and projection system thereof, under the isolation and the guide effect of sheltering from the curtain, guarantee that gaseous flow direction has the uniformity, utilize air current self to carry out further isolation simultaneously, avoid carrying the old gas of germ and be close the opening part, avoid arousing the infection.

3. This be used for tongue face to detect and use projection arrangement and projection system thereof, the shielding curtain has the effect of absorption and isolation, combines the constraint effect of the air current that is guided, avoids the droplet to spread in the camera bellows, reduces droplet adhesion camera and coaxial light source, guarantees to be a slice quality.

Drawings

FIG. 1 is a side cross-sectional view of an image capture assembly of the present invention;

FIG. 2 is a schematic view of the overall structure of an image capturing device according to the present invention;

FIG. 3 is a block diagram of the present invention;

FIG. 4 is a partial cross-sectional view of an image capture assembly of the present invention;

FIG. 5 is an enlarged view of a in FIG. 2 according to the present invention.

In the figure: 1. a dark box; 2. a face mask; 3. a chin support; 31. a U-shaped support; 32. a slider; 33. a slider; 34. a pressure sensor; 4. air holes; 5. a coaxial light source; 6. a camera; 7. a rotating frame; 8. a connecting rod; 9. an adjusting frame; 10. a dead-angle cavity; 11. a curtain; 11A, a guide curtain; 11B, a separation curtain; 12. a negative pressure chamber; 13. a respiratory cavity; 14. an air outlet cavity; 15. a base plate; 16. a gas guide plate; 17. a secondary display screen; 18. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, a projection apparatus for tongue surface detection includes an image acquisition component, a server and an image display component;

the image acquisition component is used for acquiring tongue images and transmitting image information to the server through the Internet, the server is used for receiving the image information and judging the image quality according to the image information, if the image information is qualified, the image information is stored in the server, if the image information is unqualified, the unqualified information is fed back to the image acquisition component, the image acquisition component acquires the tongue images again, and the image display component is used for sending extraction codes to the server, acquiring the image information corresponding to the extraction codes from the server and displaying the image information;

the image acquisition component comprises a camera bellows 1 with an opening at the front end, the front end of the camera bellows 1 is provided with a face shield 2, the face shield 2 is tightly attached to the face of a user, the interference of ambient light to the inside of the camera bellows 1 is reduced, the side wall of the camera bellows 1 is hinged with a rotating frame 7, two sides of the rotating frame 7 are respectively hinged with two sides of the camera bellows 1, the hinged point of the rotating frame 7 is positioned in the projection range of the chin and the tongue of the user on the side wall, a coaxial light source 5 and a camera 6 are fixedly connected on the rotating frame 7, the camera 6 is connected with a controller, the controller is in information transmission with a server, the coaxial light source 5 and the coaxial light source 5 are positioned in the middle, the irradiation direction is horizontal to the rotating frame 7, the rotating frame 7 is connected with a servo motor for driving the rotating frame 7 to rotate, the servo motor drives the rotating frame 7 to rotate, change coaxial light source 5 and camera 6's irradiation angle, rotating turret 7 fixedly connected with connecting rod 8, connecting rod 8 detachable is connected with shielding curtain 11, shielding curtain 11's bottom butt camera bellows 1's bottom, shielding curtain 11's surface is equipped with the carbon fiber layer, be used for adsorbing the droplet, camera bellows 1's top is equipped with gas pocket 4, gas pocket 4 is located shielding curtain 11's front side, camera bellows 1 intercommunication has gas outlet cavity 14, be equipped with the fan in the gas outlet cavity 14, gas outlet cavity 14 is located shielding curtain 11's rear side, gaseous one-way flow under the effect of fan in camera bellows 1, simultaneously because shielding curtain 11 cuts apart camera bellows 1's inner chamber, the flow path of extension gas, make gaseous one-way flow, avoid new gas, old gas mixes, thereby avoid the germ in the old gas of incoming call.

The shielding curtain 11 comprises a guide curtain 11A connected with the rear wall of the camera bellows 1 and a shielding curtain 11B connected with the bottom of the camera bellows 1, the guide curtain 11A, a dead angle cavity 10, a negative pressure cavity 12 and a breathing cavity 13 are formed between the shielding curtain 11B and the camera bellows 1, the breathing cavity 13 is positioned on one side of an opening, the dead angle cavity 10 is positioned at the upper part of the guide curtain 11A, the breathing cavity 13 is positioned on one side of the shielding curtain 11B, the negative pressure cavity 12 is communicated with an air outlet cavity 14, negative pressure is formed in the negative pressure cavity 12, the negative pressure of the negative pressure cavity 12 acts on the dead angle cavity 10 and the breathing cavity 13 through the shielding curtain 11, namely the guide curtain 11A and the shielding curtain 11B allow air to pass through, but can form larger resistance to the passing of the air, the pressure in the dead angle cavity 10 is higher than that in the negative pressure cavity 12 and lower than the atmosphere, as the air in the camera bellows 1 randomly flows, germs are adhered to the side wall of the camera bellows 1, the dead angle in which the air flows is restrained, newly flowed in the air directly enters the breathing cavity 13 and is prevented from contacting with the magnetic force of the shielding curtain 11, and germs or the magnet on the end part of the camera bellows 11 which is adsorbed on the magnet on the back-flow.

Referring to fig. 4, a bottom plate 15 is detachably connected to the bottom of the dark box 1, a groove for communicating the breathing cavity 13 with the negative pressure cavity 12 is formed in the bottom plate 15, the bottom of the isolation curtain 11B is shielded on the bottom plate 15, the bottom plate 15 is made of plant fibers of the adsorption cavity, exhaled air directly flows to the isolation curtain 11B and flows to the bottom along the isolation curtain 11B, in addition, because the groove directly communicates the negative pressure cavity 12 with the breathing cavity 13, a large amount of air flow flows to the negative pressure cavity 12 from the groove, the air flow is rapid, the air flow flowing down along the isolation curtain 11B is drawn, and the air flow is prevented from being blocked and flowing back by the isolation curtain 11B.

The upper portion of breathing chamber 13 is equipped with inclined air guide plate 16, and the one end of air guide plate 16 is connected with camera bellows 1 front end open-ended upper wall, avoids the front end to be close to the position of oral area and forms the dead angle, adhesion germ, and simultaneously, fresh gas enters into the position that the position corresponds the user and breathes, carries the germ in avoiding the new gas.

The position that corresponds to the eye on camera bellows 1 is equipped with vice display screen 17, vice display screen 17 is connected with camera 6, and the picture that shows camera 6 and shoot, the inner wall of camera bellows 1 is located to vice display screen 17, be located the space that air deflector 16 and camera bellows 1 enclose, camera bellows 1 front end corresponds the height of eye and is equipped with transparent observation window 18, the user sees through the image on the vice display screen 17 of observation window 18 observation, be equipped with the reference pattern of tongue shape in the vice display screen 17, the user adjusts self gesture through vice display screen 17, guarantee that the gesture accords with and shoots the requirement.

The centre position of the front end opening of the camera bellows 1 is provided with a chin support 3, please refer to fig. 5, the chin support 3 comprises a sliding block 33 which is connected with the camera bellows 1 in a sliding way, the sliding block 33 can slide forwards and backwards, the sliding block 33 is connected with a U-shaped support 31 through a sliding block 32 in a rotating way, a user places the chin on the U-shaped support 31 and can rotate forwards and backwards and in action, the self posture of the user can be adjusted and fixed conveniently, the edge of the face mask 2 is provided with an air bag, after the posture is adjusted, the air bag is inflated automatically to cling to the face, and external light is prevented from entering the face.

Referring to the camera bellows 1, the connecting rod 8 is hinged with an adjusting frame 9, a driving motor is arranged between the adjusting frame 9 and the connecting rod 8 and used for driving the adjusting frame 9 to rotate, a shielding curtain 11 is supported at the top of the adjusting frame 9, the shielding curtain 11 is in a herringbone shape, a guide curtain 11A and a separation curtain 11B are respectively arranged at the bifurcate part, the top is airtight, on one hand, a narrow air flow channel is formed between the top and the camera bellows 1, the gas outflow probability in the dead angle cavity 10 is further reduced, on the other hand, the height of the highest part of the shielding curtain 11 can be adjusted to form shielding, and spray is prevented from flying to the coaxial light source 5 and the camera 6.

Referring to fig. 1 and 5, a pressure sensor 34 is disposed on the u-shaped holder 31, the pressure sensor 34 is used for sensing the pressure applied to the slider 33, when the pressure monitored by the pressure sensor 34 is greater than a set value, the adjusting frame 9 is triggered to rotate to the highest position, when a user coughs, the pressure applied to the chin rest 3 changes greatly, and when the pressure change is detected to be too large, the adjusting frame 9 rotates to the highest position to form a shield, so that spray is prevented from flying to the coaxial light source 5 and the camera 6.

A projection system for a tongue surface detection projection device, which controls the tongue surface detection projection device, comprises the following steps:

s1, after the equipment is started, a fan in the air outlet cavity 14 is started to form unidirectional flowing air flow and clean germs floating in the camera bellows 1;

s2, the face of the user is tightly attached to the face mask 2, the coaxial light source 5 and the camera 6 are started, the controller detects the posture of the tongue surface, and when the posture meets the requirements, the step S3 is carried out; the user can adjust the posture of the user through the position of the display and reference pattern on the auxiliary display screen 17;

s3, the rotating frame 7 starts to rotate, every time the rotating frame 7 rotates by a set angle, the camera 6 takes a picture, and the controller uploads the picture to the server;

s4, the server processes the pictures, unqualified pictures are deleted, the qualified pictures are stored in the server, if the qualified pictures are not available or are less than a set value, the qualified pictures are fed back to the controller, and the controller reminds a user that the pictures are unqualified and need to be shot again;

and S5, the image display part acquires and displays the photo information corresponding to the server through the extraction code.

The working principle and the working process of the invention are as follows:

the hinged point of the rotating frame 7 is close to the position of the tongue surface, when the rotating frame 7 rotates, the irradiation distance between the coaxial light source 5 and the camera 6 is hardly changed, the angle between the coaxial light source and the tongue surface is changed constantly, and when a picture is taken at set angles, several pictures are high-quality pictures.

Due to the cutting and adsorption effects of the shielding curtain 11, on one hand, relative dead angles are formed, air in the dead angle cavity 10 is locked, and accordingly, the phenomenon that germs adhered to the inner wall of the camera bellows 1 drop off and are mixed with new air is avoided, on the other hand, the shielding curtain 11B guides the exhaled air to the bottom plate 15, even if part of the germs drop off from the shielding curtain 11B, the germs are isolated by the air flowing to the bottom plate 15 from the air guide plate 16, and therefore the germs are prevented from flowing back.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A projection device for tongue surface detection comprises an image acquisition component, a server and an image display component, and is characterized in that:

the image acquisition component comprises a camera bellows (1) with an opening at the front end, the front end of the camera bellows (1) is provided with a mask (2), the side wall of the camera bellows (1) is hinged with a rotating frame (7), the hinge point of the rotating frame (7) is positioned in the projection range of the lower jaw and the tongue of a user on the side wall, the rotating frame (7) is fixedly connected with a coaxial light source (5) and a camera (6), the camera (6) is connected with a controller, the controller and a server perform information transmission, and the rotating frame (7) is connected with a servo motor for driving the rotating frame (7) to rotate;

rotating turret (7) fixedly connected with connecting rod (8), connecting rod (8) detachable is connected with shielding curtain (11), the bottom of shielding curtain (11) butt camera bellows (1), the surface that shields curtain (11) is equipped with the carbon fiber layer, the top of camera bellows (1) is equipped with gas pocket (4), gas pocket (4) are located the front side that shields curtain (11), camera bellows (1) intercommunication has air outlet chamber (14), be equipped with the fan in air outlet chamber (14), air outlet chamber (14) are located the rear side that shields curtain (11).

2. The projection device and the projection system thereof for tongue surface detection according to claim 1, wherein: shelter from curtain (11) include with camera bellows (1) rear wall connection's direction curtain (11A) and with camera bellows (1) bottom be connected isolation curtain (11B), form dead angle chamber (10), negative pressure chamber (12) and breathe chamber (13) between direction curtain (11A), isolation curtain (11B) and camera bellows (1), negative pressure chamber (12) and play air cavity (14) intercommunication, the negative pressure of negative pressure chamber (12) sees through and shelters from curtain (11) and acts on in dead angle chamber (10) and breathing chamber (13).

3. The projection device and the projection system thereof for tongue surface detection according to claim 2, wherein: the bottom detachable of camera bellows (1) is connected with bottom plate (15), be equipped with the slot of intercommunication breathing chamber (13) and negative pressure chamber (12) on bottom plate (15), the bottom shielding of isolation curtain (11B) is on bottom plate (15).

4. The projection device and the projection system thereof for tongue surface detection according to claim 3, wherein: the upper portion of breathing chamber (13) is equipped with inclined air guide plate (16), the one end and the camera bellows (1) front end open-ended upper wall of air guide plate (16) are connected.

5. The projection device and the projection system thereof for tongue surface detection according to claim 1, wherein: the position corresponding to eyes on the camera bellows (1) is provided with an auxiliary display screen (17), the auxiliary display screen (17) is connected with the camera (6) and displays pictures shot by the camera (6).

6. The projection device and the projection system thereof for tongue surface detection according to claim 1, wherein: dark box (1) front end open-ended central point is equipped with chin strap (3), chin strap (3) including with dark box (1) sliding connection's slider (33), slider (33) are connected with U-shaped through slider (32) rotation and are held in the palm (31).

7. The projection device and the projection system thereof for tongue surface detection according to claim 6, wherein: connecting rod (8) articulate has alignment jig (9), be equipped with driving motor between alignment jig (9) and connecting rod (8) for drive alignment jig (9) rotate, shielding curtain (11) are being held in the palm at the top of alignment jig (9).

8. The projection device and the projection system thereof for tongue surface detection according to claim 7, wherein: and a pressure sensor (34) is arranged on the U-shaped support (31), the pressure sensor (34) is used for sensing the pressure on the sliding block (33), and when the pressure monitored by the pressure sensor (34) is greater than a set value, the adjusting frame (9) is triggered to rotate to the highest position.

9. A projection system for a tongue surface detection projection apparatus, which controls a tongue surface detection projection apparatus according to any one of claims 1 to 8, comprising the steps of:

s1, after the equipment is started, a fan in the air outlet cavity (14) is started to form unidirectional flowing air flow, and germs floating in the camera bellows (1) are cleaned;

s2, the face of the user is tightly attached to the face mask (2), the coaxial light source (5) and the camera (6) are started, the controller detects the posture of the tongue surface, and when the posture meets the requirement, the step S3 is carried out;

s3, the rotating frame (7) starts to rotate, every time the rotating frame (7) rotates by a set angle, the camera (6) shoots a picture, and the controller uploads the picture to the server;

s4, the server processes the pictures, unqualified pictures are deleted, the qualified pictures are stored in the server, if the qualified pictures are not available or are less than a set value, the qualified pictures are fed back to the controller, and the controller reminds a user that the pictures are unqualified and need to be shot again;

and S5, the image display component acquires and displays the photo information corresponding to the server through the extraction code.

Images