A muddy water camera with easy-to-replace window film

Abstract

The invention discloses a muddy water camera with an easy-to-replace window film, comprising a box body of a clean water tank, a camera mounting portion disposed at the rear end of the box body, and a pressure cover installed at the front end of the box body, wherein the pressure cover is provided with a window film, and the box body is in a conical cylindrical shape, with a diameter gradually expanding from the camera mounting portion to the front end of the box body, the box body and the pressure cover are provided with matching external threads and internal threads, an annular groove is provided at the bottom of the inner circle of the pressure cover, the edge of the window film is inserted into the annular groove for assembly, and the pressure cover is screwed and installed at the front end of the box body, so as to improve the efficiency of replacing the window film, the muddy water camera is completely positioned and fixed to the clean water tank through a pressure plate, the position distribution of the LED lamp ensures that the camera lens will not face the light source when the muddy water camera is shooting, the reflective film diffuses the light source and then passes through the transparent window film to illuminate the object, the camera shooting field angle faces the object to be shot, and a clear image of the object can be shot.

Description

Technical Field

[0001] The invention relates to a muddy water camera, belongs to the field of underwater observation and detection, and specifically is a muddy water camera with an easily replaceable window film. Background Art

[0002] Underwater turbid water cameras are mainly used to capture images of objects in turbid water environments. The current technology is to integrate underwater cameras and underwater lighting into one, and seal a clean water tank at the front end of the turbid water camera. The clean water tank is filled with clean water, and a transparent window is set in front of the observation angle of the corresponding clean water tank. The clean water tank is placed close to the object to be observed, and this method is used to collect clear images of the object.

[0003] The muddy water camera can be widely used in turbid water environments with a clean water tank. Since the field of view of a general camera is rectangular, the clean water tank is also designed as a square cone. The front end of the clean water tank uses a pressure plate to press the transparent window film and seal it through multiple screws. The front transparent window film is made of soft transparent glass according to the needs of use. During use, it is necessary to closely observe the object. Since the underwater environment cannot be observed with the naked eye, the transparent window film is easily scratched, resulting in unclear observation images. Replacing the transparent window film requires removing multiple screws and reassembling and tightening, which is extremely inconvenient. Summary of the invention

[0004] The present invention aims to overcome the shortcomings of the prior art and provide a muddy water camera capable of quickly replacing the window film. The present invention solves the problem of difficulty and slowness in replacing the window film and provides better underwater photography quality. Specifically, the present invention is implemented as follows:

[0005] A muddy water camera with an easily replaceable window film comprises a clean water tank body, a camera mounting portion disposed at the rear end of the body, and a pressure cover mounted at the front end of the body, the pressure cover being mounted with a window film, the muddy water camera being sealed in the camera mounting portion, the body being in a conical cylindrical shape, the diameter of which gradually expands from the camera mounting portion to the front end of the body, an external thread being provided on the outer edge of the front end of the body, an internal thread matching the external thread being provided on the inner ring surface of the pressure cover, an annular groove being provided on the bottom of the inner ring of the pressure cover, the edge of the window film being snapped into the annular groove for assembly, and the pressure cover being screwed and mounted on the front end of the body.

[0006] Furthermore, the camera installation part also includes a mounting bracket, a camera window, a sealed shell, an LED lamp, and a lamp head, wherein: the movement of the muddy water camera is fixedly installed in the sealed shell by the mounting bracket, the sealed shell is provided with a mounting hole for the camera window, the mounting hole is provided with a sealing ring mounting groove, the sealing ring is assembled in the sealing mounting groove, the camera window is assembled in the window mounting hole, a number of LED lamps are installed on the outside of the sealed shell, the power supply line of the LED lamp is passed into the sealed shell through the wire hole, the lamp head is assembled on the outside of the sealed shell, the sealed shell is provided with sealing ring mounting grooves on both sides of the LED lamp mounting groove, the sealing ring is assembled in the sealing ring mounting groove, and after the lamp head is assembled to the sealed shell, it can be ensured that the LED lamp is sealed in the enclosed space of the lamp head.

[0007] Furthermore, a positioning pin is installed in the half hole of the end surface of the sealing shell, and the half hole provided on the lamp holder is aligned with the positioning pin and matched to ensure that the lamp holder and the sealing shell will not produce axial rotation.

[0008] Furthermore, a layer of reflective film is sprayed on the inner wall of the box, and the color of the reflective film is white.

[0009] Furthermore, a polyester thread is provided between the outer circle of the sealing shell and the inner wall of the lamp holder, and the polyester thread is arranged along the outer circumference of the sealing shell to ensure that the sealing shell and the lamp holder will not move axially.

[0010] Furthermore, the camera mounting part also includes a camera end cover located at the back, on which a circuit board is installed, and the circuit board is used for power conversion and signal processing for the camera movement and LED light; the camera end cover is provided with a watertight socket mounting screw hole, and the watertight socket is sealed and mounted with the camera end cover through the screw hole.

[0011] Furthermore, a sealing ring installation groove is provided on the sealing outer circle of the camera end cover, a sealing ring is installed in the sealing ring installation groove, and the camera end cover is assembled to the sealing outer shell by screws; a waist-shaped sinking platform is provided on the camera end cover, and two mounting holes are provided on the waist-shaped sinking platform, one is the camera end cover mounting hole, and the other is the camera pressure plate mounting screw hole, the camera end cover is assembled with a camera pressure plate, and the camera pressure plate is positioned by the waist-shaped sinking platform and the mounting screws.

[0012] Furthermore, a cone slope protruding outward is provided in the middle of the edge of the box body opening, and a plurality of concave waterline grooves are provided on the edge of the box body opening and the cone slope.

[0013] Furthermore, the field of view angle of the muddy water camera is adapted to the depth and opening size of the box so that the camera field of view is not located within the side wall of the box, and the illumination angle of the LED light and the field of view angle of the muddy water camera are set not to overlap.

[0014] Furthermore, a handle is installed on the back of the box body and is bent and extended to the left and right sides of the box body.

[0015] The working principle of the present invention is as follows: the clean water tank body is designed to be a plastic material that is a combination of a cylindrical and a conical tube, which is easy to process and has a good anti-corrosion effect underwater. A muddy water camera mounting hole is provided on one side of the clean water tank body, and a sealing ring mounting groove is provided in the muddy water camera mounting hole. The sealing ring is assembled in the sealing ring mounting groove, and the muddy water camera is assembled in the mounting hole. It is fixed and installed by a camera pressure plate, so that the muddy water camera and the clean water tank body can be sealed and installed. A conical cylinder with a hollow structure is provided in the middle of the clean water tank body. After the clean water is filled inside, it is convenient for the muddy water camera to observe objects through the clean water. An external mounting thread is provided on the other side of the clean water tank body, and an internal mounting thread is provided on the pressure cover. The transparent window membrane is first assembled into the pressure cover, and the pressure cover is tightened with the clean water tank body through the thread to seal and fix the transparent window membrane.

[0016] The beneficial effects of the present invention are introduced as follows: After the camera pressure plate is assembled on the camera end cover, the camera pressure plate is positioned by a waist-shaped sink and mounting screws, and assembled on the camera end cover by a mounting screw, so that the camera pressure plate and the muddy water camera can be completely positioned and fixed, which can efficiently simplify the operation steps. A layer of reflective film is sprayed on the inner side of the clean water tank body, and the color of the reflective film is white with good reflective effect, so that the camera lens will not face the light source when the muddy water camera is shooting, which solves the problem of poor backlight shooting effect of the camera, and avoids the problem that the camera and the lighting are arranged in the clean water tank, and the transparent window film has a certain degree of reflection, and the light source directly shines on the transparent window film, which will form a light spot in the captured image and affect the shooting effect. The reflective film diffuses the light source and then passes through the transparent window film to illuminate the object. The camera's shooting field angle faces the object being shot, and a clear image of the object can be captured. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A front view of a muddy water camera equipped with a clean water tank according to the present invention;

[0018] Figure 2 for Figure 1 Left view of muddy water camera with clean water tank installed;

[0019] Figure 3 for Figure 1 A top view of a muddy water camera with a clean water tank installed;

[0020] Figure 4 for Figure 1 A-direction view;

[0021] Figure 5 For muddy water camera view;

[0022] Figure 6Installation view of clear water tank window film for muddy water camera;

[0023] in:

[0024] 10—pressure cover, 20—window film, 30—clean water tank body, 40—reflective film, 50—muddy water camera, 60—camera pressure plate, 70—screw, 80—sealing ring, 90—screw, 100—countersunk screw, 110—handle, 101—annular groove, 301—drainage screw hole, 302—waterline groove, 303—sunk platform, 304—conical inclined surface, 501—camera window, 502—sealed housing, 503—LED lamp, 504—camera movement, 505—mounting bracket, 506—circuit board, 507—camera end cover, 508—watertight socket, 509—screw, 510—sealing ring, 511—locating pin, 512—polyester line, 5021—wire hole, 5071—waist-shaped sinking platform. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] Embodiment 1, a muddy water camera with an easily replaceable window film, comprises a clean water tank body, a camera mounting portion disposed at the rear end of the body, and a pressure cover mounted at the front end of the body, the pressure cover being mounted with a window film, the muddy water camera being sealed in the camera mounting portion, the body being in a conical cylindrical shape, the diameter of which gradually expands from the camera mounting portion to the front end of the body, an external thread being provided on the outer edge of the front end of the body, an internal thread matching the external thread being provided on the inner ring surface of the pressure cover, an annular groove being provided on the bottom of the inner ring of the pressure cover, the edge of the window film being snapped into the annular groove for assembly, and the pressure cover being screwed and mounted on the front end of the body. The camera installation part also includes a mounting bracket, a camera window, a sealed shell, an LED lamp, and a lamp head, wherein: the muddy water camera movement is fixedly installed in the sealed shell through the mounting bracket, the sealed shell is provided with a mounting hole for the camera window, the mounting hole is provided with a sealing ring mounting groove, the sealing ring is assembled in the sealing mounting groove, the camera window is assembled in the window mounting hole, several LED lamps are installed on the outside of the sealed shell, the power supply line of the LED lamp is inserted into the sealed shell through the wire hole, the lamp head is assembled on the outside of the sealed shell, the sealed shell is provided with sealing ring mounting grooves on both sides of the LED lamp mounting groove, the sealing ring is assembled in the sealing ring mounting groove, and the lamp head can ensure that the LED lamp is sealed in the closed space of the lamp head after being assembled to the sealed shell. The clean water tank body is equipped with a handle, the handle is assembled to the sink provided on the clean water tank body, and is fixedly installed by screws. The handle is used for divers to hold the clean water tank close to the object to be photographed. Divers cannot observe the object to be photographed in a muddy water environment, and the provided handle can enable divers to easily press against the object and clearly photograph the image of the object.

[0029] A muddy water camera is composed of a camera core, a mounting bracket, a camera window, a sealed shell, an LED lamp, a lamp head, a camera end cover, a circuit board, a watertight socket, etc. The camera core is fixedly mounted in the sealed shell through the mounting bracket, the sealed shell is provided with a camera window mounting hole, the mounting hole is provided with a sealing ring mounting groove, the sealing ring is assembled in the sealing mounting groove, the camera window is assembled in the window mounting hole, the multiple LED lamps are mounted on the outside of the sealed shell, the power supply line of the LED lamp is passed into the sealed shell through the wire hole, the lamp head is assembled on the outside of the sealed shell, the sealed shell is provided with sealing ring mounting grooves on both sides of the LED lamp mounting groove, the sealing ring is assembled in the sealing ring mounting groove, and the lamp head can ensure that the LED lamp is sealed in the closed space of the lamp head after being assembled to the sealed shell. A positioning pin is installed in the end face half hole of the sealed shell, and the half hole provided on the lamp head is aligned with the positioning pin and matched to ensure that the lamp head and the sealed shell will not produce axial rotation. The polyester line is arranged between the outer circle of the sealing shell and the inner wall of the lamp head, and the polyester line is arranged along the outer circumference of the sealing shell to ensure that the sealing shell and the lamp head will not move axially. In addition, the lamp head will also fix the camera window after installation. A circuit board is installed on the camera end cover, and the circuit board is used for power conversion and signal processing of the camera movement and LED lamp. The camera end cover is provided with a watertight socket installation screw hole, and the watertight socket is sealed and installed with the camera end cover through the screw hole. A sealing ring installation groove is provided on the sealing outer circle of the camera end cover, and a sealing ring is installed in the sealing ring installation groove. The camera end cover is assembled to the sealing shell by screws. Preferably, a plurality of waterline grooves are provided on the above-mentioned clean water tank body. When the window-transparent film is tightened to the clean water tank body through the pressure cover, the window-transparent film will be easily squeezed into the waterline groove, firstly, the sealing requirements of the window-transparent film and the clean water tank body are guaranteed, and secondly, the window-transparent film can be reliably pressed to the clean water tank body and will not fall off from the pressure cover. In one embodiment, a cone inclined surface is provided on the above-mentioned clean water tank body. The cone slope can change the direction of the transparent window film. When the above structure is adopted, the transparent window film is assembled on the same plane as the end surface of the pressure cover or protrudes from the end surface of the pressure cover, and the clean water tank will be easier to observe the object closely and take a clearer image of the object.

[0030] Preferably, a waist-shaped sinking platform is provided on the camera end cover, and two mounting holes are provided on the waist-shaped sinking platform, one is the camera end cover mounting hole, and the other is the camera pressure plate mounting screw hole.

[0031] Embodiment 2, based on embodiment 1, the muddy water camera is equipped with a clean water tank for divers to operate and observe objects submerged in muddy water. However, after a simple improvement, the clean water tank of the muddy water camera can also be used for hoisting or using a probe rod to operate the muddy water camera on the surface to shoot objects under muddy water.

[0032] like Figure 1 , Figure 2 and Figure 3 As shown, a turbid water camera with a quickly replaceable window membrane comprises a pressure cap 10, a window membrane 20, a clean water tank body 30 and a turbid water camera 50. A mounting hole for mounting the turbid water camera 50 is provided on one side of the clean water tank body 30. The turbid water camera 50 is assembled in the mounting hole of the clean water tank body 30. An external thread is provided on the other side of the clean water tank body 30. The window membrane 20 is assembled into the annular groove 101 of the pressure cap 10. The window membrane is assembled on the clean water tank body 30 by threads and tightened to ensure the sealing requirements.

[0033] like Figure 1 As shown, in this embodiment, a sealing ring 80 is installed between the clean water tank body 30 and the muddy water camera 50 to ensure waterproof isolation between the clean water tank body 30 and the muddy water camera 50. The muddy water camera 50 is equipped with a camera pressing plate 60, which is assembled in the waist-shaped sink 5071 of the muddy water camera 50. The camera pressing plate 60 is fixed to the muddy water camera by screws 70, and the other side of the camera pressing plate 60 is fixed in the screw hole of the clean water tank body 30 by screws 90.

[0034] like Figure 1 , Figure 2 As shown, in this embodiment, the inner side of the clean water tank body 30 is sprayed with a white reflective film 40, as shown in FIG. Figure 2 As shown, the maximum field of view of the camera movement is on the inner wall of the cone of the clean water tank body 30, and the captured image will not be affected by the light from the reflective film 40. The LED light is arranged on the circumference of the muddy water camera 50, so that the light will not directly shine on the object, but diffuse the light of the LED light through the reflective film 40 to the object to be observed, thereby enhancing the shooting effect.

[0035] like Figure 2 , 3 As shown, in this embodiment, the handle 110 is assembled into the sink 303 of the clean water tank body 30, and the handle 110 is fixed to the clean water tank body 30 by the countersunk screw 100.

[0036] like Figure 3 As shown, in this embodiment, after the clean water tank body 30 is filled with clean water, the drain screw holes 301 provided on the clean water tank body 30 can discharge excess clean water when assembling the muddy water camera 50 to prevent excessive pressure from squeezing the transparent window film 20 out of the pressure cover 10.

[0037] like Figure 4 As shown, in this embodiment, a waterline groove 302 is provided on the clean water tank body 30 . After the pressure cover 10 presses the transparent window film 20 , the waterline groove 302 enhances the sealing effect and prevents the transparent window film 20 from escaping from the pressure cover 10 .

[0038] like Figure 5As shown, in this embodiment, the muddy water camera 50 is composed of a camera movement 504, a mounting bracket 505, a camera window 501, a sealed shell 502, an LED lamp 503, a lamp holder 513, a camera end cover 507, a circuit board 506, a watertight socket 508, etc. The camera movement 504 is fixedly installed in the sealed shell 502 through the mounting bracket 505, the camera window 501 is assembled in the window mounting hole, a plurality of LED lamps 503 are installed on the outside of the sealed shell 502, the power supply line of the LED lamp 503 is inserted into the sealed shell 502 through the wire hole 5021, and the lamp holder 513 is assembled on the outside of the sealed shell 502. The half hole on the lamp holder 513 is aligned with the positioning pin 511 on the sealed shell 502 and then matched to ensure that the lamp holder and the sealed shell will not produce axial rotation. The polyester line 512 is inserted into the circumferential groove formed by the sealed shell 502 and the lamp holder 513 to ensure that the sealed shell and the lamp holder will not produce axial movement. In addition, the lamp holder 513 will also fix the camera window 501 after installation. The camera end cover 507 is mounted with a circuit board 506, which provides power conversion and signal processing for the camera core 504 and the LED lamp 503. The watertight socket 508 is assembled to the sealed housing 507 by screws 509.

[0039] like Figure 5 As shown, in this embodiment, a sealing ring 510 is installed between the camera end cover 507 of the muddy water camera 50 and the sealed shell 502, a sealing ring 510 is installed between the sealed shell 502 and the camera window 501, and between the sealed shell 502 and the lamp head 513, thereby ensuring the waterproof performance of the muddy water camera 50.

[0040] like Figure 6 As shown, in this embodiment, a conical slope 304 is provided on the clean water tank body 30. After the pressure cover 10 is assembled with the window membrane 20 and pressed onto the clean water tank body 30, the conical slope 304 makes the window membrane 20 protrude outward, so that the outer end surfaces of the window membrane 20 and the pressure cover 10 are flush or higher, and the window membrane 20 can be closer to the object, and the effect of shooting by the muddy water camera 50 is clearer.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A muddy water camera with an easily replaceable window film, characterized in that: The invention comprises a clean water tank body, a camera mounting portion disposed at the rear end of the body, and a gland (10) mounted at the front end of the body, a window film (20) being mounted on the gland (10), a muddy water camera (50) being sealed and mounted in the camera mounting portion, the body being in a conical cylindrical shape, the diameter of which gradually increases from the camera mounting portion to the front end of the body, an external thread being provided on the outer edge of the front end of the body, an internal thread matching the external thread being provided on the inner ring surface of the gland (10), an annular groove (101) being provided on the inner ring bottom of the gland (10), the edge of the window film (20) being inserted into the annular groove (101) for assembly, and the gland (10) being screwed and mounted on the front end of the body; The camera installation part also includes a mounting bracket (505), a camera window (501), a sealed shell (502), an LED lamp (503), and a lamp head, wherein: the movement of the muddy water camera (50) is fixedly mounted in the sealed shell (502) through the mounting bracket (505); the sealed shell (502) is provided with a mounting hole for the camera window (501); a sealing ring mounting groove is provided in the mounting hole; the sealing ring is assembled in the sealing mounting groove; the camera window (501) is assembled in the window mounting hole; a plurality of LED lamps (503) are mounted on the outside of the sealed shell (502); power supply lines of the LED lamps (503) are inserted into the sealed shell (502) through the wire holes (5021); the lamp head is assembled on the outside of the sealed shell; the sealed shell is provided with sealing ring mounting grooves on both sides of the LED lamp (503) mounting groove; a sealing ring is assembled in the sealing ring mounting groove; after the lamp head is assembled to the sealed shell, it can ensure that the LED lamp (503) is sealed in the enclosed space of the lamp head; An outwardly protruding conical inclined surface (304) is provided in the middle of the edge of the box body opening, and a plurality of inwardly concave waterline grooves (302) are provided on the edge of the box body opening and the conical inclined surface (304); The viewing angle of the muddy water camera (50) is adapted to the depth and opening size of the box so that the camera viewing angle is not located within the side wall of the box, and the illumination angle of the LED light (503) and the viewing angle of the muddy water camera (50) are arranged not to overlap.

2. A muddy water camera with easily replaceable window film according to claim 1, characterized in that: A positioning pin (511) is installed in the half hole on the end surface of the sealing shell, and the half hole provided on the lamp holder is aligned with the positioning pin (511) and then matched, so as to ensure that the lamp holder and the sealing shell do not generate axial rotation.

3. A muddy water camera with easily replaceable window film according to claim 1, characterized in that: A layer of reflective film (40) is sprayed on the inner wall of the box body, and the color of the reflective film (40) is white.

4. A muddy water camera with easily replaceable window film according to claim 1, characterized in that: A polyester line (512) is provided between the outer circle of the sealing shell and the inner wall of the lamp holder, and the polyester line (512) is arranged along the outer circumference of the sealing shell, thereby ensuring that the sealing shell and the lamp holder do not generate axial movement.

5. The muddy water camera with easily replaceable window film according to claim 1, characterized in that: The camera mounting portion further comprises a camera end cover (507) located at the back, a circuit board (506) being mounted on the camera end cover (507), the circuit board (506) being used for power conversion and signal processing for the camera movement (504) and the LED light (503); a mounting screw hole for a watertight socket (508) is provided on the camera end cover (507), and the watertight socket (508) is sealed and mounted with the camera end cover (507) through the screw hole.

6. A muddy water camera with easily replaceable window film according to claim 5, characterized in that: The camera end cover (507) is provided with a sealing ring installation groove on the sealing outer circle, and a sealing ring is installed in the sealing ring installation groove. The camera end cover (507) is installed on the sealing housing by screws; the camera end cover (507) is provided with a waist-shaped sinking platform (5071), and the waist-shaped sinking platform (5071) is provided with two installation holes, one is the camera end cover (507) installation hole, and the other is the camera pressure plate (60) installation screw hole; the camera end cover (507) is installed with the camera pressure plate (60), and the camera pressure plate (60) is positioned by the waist-shaped sinking platform (5071) and the installation screws.

7. The muddy water camera with easily replaceable window film according to claim 1, characterized in that: The back of the box is provided with handles which are bent and extend to the left and right sides of the box.

Images