CN216848415U - 45-degree viewfinder with water depth temperature display function - Google Patents

Abstract

The utility model discloses a 45 degrees viewfinder with temperature display of depth of water, including casing, meniscus lens, first biconvex lens, roof prism, cemented lens, the biconvex lens of second, circuit module and depth of water temperature-sensing ware, meniscus lens installs on the casing and set up on going into the perforation, first biconvex lens, roof prism, cemented lens and the biconvex lens of second are all installed in the casing, first biconvex lens sets up meniscus lens rear and setting are in roof prism the place ahead, cemented lens sets up roof prism's top, the biconvex lens of second sets up cemented lens top and setting are in on the exit hole. The utility model discloses simple structure, convenient operation, 45 degrees eyesight view finders are looked into the composition to the horizontal direction when convenient to use person shoots under water, can know dive depth of water and temperature in real time simultaneously, avoid dive too deeply, cause danger.

Description

45-degree viewfinder with water depth temperature display function

Technical Field

The utility model relates to a photography equipment field under water, in particular to 45 degrees finders with temperature display of depth of water.

Background

Underwater photography is one of the movie and television trick photography, and a photographer dives a camera or a camera with a waterproof protective cover and diving equipment into water to shoot. Underwater images can be truly reflected by underwater photography, such as geological data of underwater animals and plants, seabed, riverbed and the like, archaeological discovery and the like. Underwater photography has wide application in scientific research, military, sports, teaching and other aspects, and gradually enters the lives of the masses along with the development of scientific technology.

The viewfinder is an ocular lens on a camera or a video camera, so that a photographer can preview shot scenes in real time and can help the photographer to compose a picture. When underwater photography is carried out, a camera is arranged in a waterproof shell to protect the camera from normal use under water, the waterproof shell is usually provided with a round hole for installing an eyepiece, and the eyepiece of the waterproof shell extends the eye distance of a viewfinder of the camera, so that a photographer can see all images of the viewfinder from the eyepiece. When the camera is used for shooting forward scenery in a submarine or in a diving mode, the eyes of a photographer cannot face the eyepiece of the waterproof shell, so that the view finding is difficult, and meanwhile, the photographer cannot know the diving depth and temperature information at the same time, so that the situation of over-deep diving is easy to occur, and the danger is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a 45 degrees view-finders with temperature display of depth of water to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows: a45-degree viewfinder with water depth temperature display comprises a shell, a meniscus lens, a first biconvex lens, a roof prism, a cemented lens, a second biconvex lens, a circuit assembly and a water depth temperature sensor, wherein the shell is provided with an incident hole and an exit hole, and an included angle between the normal of the incident hole and the normal of the exit hole is 45 degrees; the first biconvex lens, the roof prism, the cemented lens and the second biconvex lens are all arranged in the shell, the first biconvex lens is arranged behind the meniscus lens and in front of the roof prism, the cemented lens is arranged above the roof prism, and the second biconvex lens is arranged above the cemented lens and on the emergent hole; the external light is emitted from the incident hole and sequentially passes through the meniscus lens, the first biconvex lens, the roof prism, the cemented lens and the second biconvex lens and then is emitted from the exit hole; the circuit assembly is arranged in the shell, and the water depth temperature sensor is arranged on the shell and is in signal connection with the circuit assembly.

As a further elaboration of the above technical solution:

in the above technical scheme, the roof prism further comprises a first mounting bracket, wherein the first mounting bracket is movably mounted on two sides inside the shell, and the roof prism is mounted in the first mounting bracket.

In the above technical scheme, the device further comprises an indexing self-locking mechanism, and the indexing self-locking mechanism is rotatably arranged on the shell and connected with the first mounting bracket.

In the above technical scheme, graduation self-locking mechanism includes button, spring, first sealing washer, connecting plate and rotor plate, the rotor plate is installed perpendicularly on the top of connecting plate, the bottom mounting of connecting plate is installed in the first installing support, the rear end and the front end of rotor plate are installed respectively in the first installing support, the one end of button is installed on the connecting plate, and the other end outwards stretches out the casing, the spring with first sealing washer cover is established on the button.

In the above technical solution, the optical lens module further includes a second mounting bracket, the second mounting bracket is mounted on the housing, and the meniscus lens and the first biconvex lens are both mounted on the second mounting bracket.

In the above technical scheme, still include third installing support and second sealing washer, the third installing support is installed on the casing, cemented lens and the two convex lens of second are all installed on the third installing support, the second sealing washer cover is established on the two convex lens of second and with the inner wall in close contact with of third installing support.

In the above technical solution, the water depth temperature sensor further comprises a display device, wherein the display device is mounted on the housing and is in signal connection with the circuit component and the water depth temperature sensor.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses simple structure, convenient operation, 45 degrees eyesight view finders are looked into the composition to the horizontal direction when convenient to use person shoots under water, can know dive depth of water and temperature in real time simultaneously, avoid dive too deeply, cause danger.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view from another angle of the present invention;

fig. 3 is a schematic exploded view of the present invention;

fig. 4 is a schematic view of a first partial structure of the present invention;

fig. 5 is a second partial structural schematic diagram of the present invention;

fig. 6 is a schematic view of the propagation direction of the light of the present invention.

In the figure: 1. a housing; 2. a meniscus lens; 3. a first biconvex lens; 4. a roof prism; 5. a cemented lens; 6. a second biconvex lens; 7. a circuit component; 8. a water depth temperature sensor; 9. a display device; 11. entering a perforation hole; 12. an exit aperture; 13. A first mounting bracket; 14. an indexing self-locking mechanism; 15. a button; 16. a spring; 17. a first seal ring; 18. a connecting plate; 19. a rotating plate; 20. a second mounting bracket; 21. a third mounting bracket; 22. and a second seal ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1 to 6, a 45-degree viewfinder with water depth temperature display comprises a shell 1, a meniscus lens 2, a first biconvex lens 3, a roof prism 4, a cemented lens 5, a second biconvex lens 6, a circuit assembly 7 and a water depth temperature sensor 8, wherein the shell 1 is provided with an incident hole 11 and an exit hole 12, and an included angle between a normal line of the incident hole 11 and a normal line of the exit hole 12 is 45 degrees. Meniscus lens 2 install on casing 1 and set up on incident hole 11, first biconvex lens 3, roof prism 4, cemented lens 5 and the biconvex lens 6 of second are all installed in casing 1, first biconvex lens 3 sets up 2 backs of meniscus lens and sets up roof prism 4 the place ahead, cemented lens 5 sets up roof prism 4's top, the biconvex lens 6 of second sets up cemented lens 5 top and setting are in on the exit hole 12. The external light is emitted from the incident hole 11, passes through the meniscus lens 2, the first biconvex lens 3, the roof prism 4, the cemented lens 5 and the second biconvex lens 6 in sequence, and then is emitted from the emergent hole 12. The circuit component 7 is arranged in the shell 1, and the water depth temperature sensor 8 is arranged on the shell 1 and is in signal connection with the circuit component 7. The roof prism 4 is a schmidt roof prism, and light reflection is realized, so that a 45-degree visual viewfinder carries out framing and composition in the horizontal direction when a photographer takes underwater pictures. Wherein, the cemented lens 5 is an achromatic cemented lens, which eliminates chromatic aberration during image transmission and ensures real shooting and reducibility.

As shown in fig. 3, the water depth temperature sensor further includes a display device 9, wherein the display device 9 is mounted on the housing 1 and is in signal connection with the circuit component 7 and the water depth temperature sensor 8. The temperature information and the water depth information detected by the water depth temperature sensor 8 are transmitted to the display device in real time, and a user can know the submergence water depth and temperature in real time.

In this embodiment, as shown in fig. 1 to 4, the viewfinder further includes a first mounting bracket 13, the first mounting bracket 13 is movably mounted on two sides inside the housing 1, and the roof prism 4 is mounted in the first mounting bracket 13, so that the roof prism 4 is more stably and reliably mounted, and the stability of the viewfinder during use is ensured.

Specifically, as shown in fig. 3 to 5, the device further includes an indexing self-locking mechanism 14, and the indexing self-locking mechanism 14 is rotatably mounted on the housing 1 and connected to the first mounting bracket 13. Wherein, graduation self-locking mechanism 14 includes button 15, spring 16, first sealing washer 17, connecting plate 18 and rotor plate 19, rotor plate 19 is installed perpendicularly on the top of connecting plate 18, the bottom mounting of connecting plate 18 is installed in first installing support 13, the rear end and the front end of rotor plate 19 are installed respectively in first installing support 13, the one end of button 15 is installed on connecting plate 18, and the other end outwards stretches out casing 1, spring 16 with first sealing washer 17 cover is established on the button 15. The button 15 is adjusted to drive the connecting plate 18 and the rotating plate 19 to rotate, so as to drive the first mounting bracket 13 to rotate, so that the roof prism 4 is adjusted, and the camera can be at the optimal shooting angle.

In this embodiment, as shown in fig. 1 to 4, the optical lens module further includes a second mounting bracket 20, the second mounting bracket 20 is mounted on the housing 1, and the meniscus lens 2 and the first biconvex lens 3 are both mounted on the second mounting bracket 20, so that the meniscus lens 2 and the first biconvex lens 3 are more stably and reliably mounted.

In this embodiment, as shown in fig. 1 to 4, still include third installing support 21 and second sealing washer 22, third installing support 21 is installed on casing 1, cemented lens 5 and second biconvex lens 6 are all installed on third installing support 21, second sealing washer 22 cover is established on the second biconvex lens 6 and with the inner wall in close contact with of third installing support 21 for cemented lens 5 and the installation of second biconvex lens 6 are more reliable and stable, and inside second sealing washer 22 effectively prevented external moisture from getting into the view finder, guarantee the stable safe handling of camera.

The utility model discloses simple structure, convenient operation, 45 degrees eyesight view finders are looked a view to the horizontal direction when convenient to use person shoots under water and are constituted a picture, can know the dive depth of water and temperature in real time simultaneously, avoid the dive too deeply, cause danger.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (7)

1. A45-degree viewfinder with water depth temperature display is characterized by comprising a shell, a meniscus lens, a first biconvex lens, a roof prism, a cemented lens, a second biconvex lens, a circuit assembly and a water depth temperature sensor, wherein the shell is provided with an incident hole and an exit hole, and an included angle between the normal of the incident hole and the normal of the exit hole is 45 degrees; the first biconvex lens, the roof prism, the cemented lens and the second biconvex lens are all arranged in the shell, the first biconvex lens is arranged behind the meniscus lens and in front of the roof prism, the cemented lens is arranged above the roof prism, and the second biconvex lens is arranged above the cemented lens and on the emergent hole; the external light is emitted from the incident hole and sequentially passes through the meniscus lens, the first biconvex lens, the roof prism, the cemented lens and the second biconvex lens and then is emitted from the exit hole; the circuit assembly is arranged in the shell, and the water depth temperature sensor is arranged on the shell and is in signal connection with the circuit assembly.

2. The 45-degree viewfinder with water depth temperature display function according to claim 1, further comprising a first mounting bracket movably mounted on two sides inside the housing, wherein the roof prism is mounted in the first mounting bracket.

3. The 45-degree viewfinder with water depth temperature display according to claim 2, further comprising an indexing self-locking mechanism rotatably mounted on the housing and connected with the first mounting bracket.

4. The 45-degree viewfinder with water depth temperature display according to claim 3, characterized in that the indexing self-locking mechanism comprises a button, a spring, a first sealing ring, a connecting plate and a rotating plate, the rotating plate is vertically arranged on the top end of the connecting plate, the bottom end of the connecting plate is fixedly arranged in the first mounting bracket, the rear end and the front end of the rotating plate are respectively arranged in the first mounting bracket, one end of the button is arranged on the connecting plate, the other end of the button extends out of the shell, and the spring and the first sealing ring are sleeved on the button.

5. The 45-degree viewfinder with water depth temperature display function according to claim 1, further comprising a second mounting bracket, wherein the second mounting bracket is mounted on the housing, and the meniscus lens and the first biconvex lens are both mounted on the second mounting bracket.

6. The 45-degree viewfinder with water depth temperature display function according to claim 1, further comprising a third mounting bracket and a second sealing ring, wherein the third mounting bracket is mounted on the housing, the cemented lens and the second biconvex lens are both mounted on the third mounting bracket, and the second sealing ring is sleeved on the second biconvex lens and is in close contact with the inner wall of the third mounting bracket.

7. The 45-degree viewfinder with water depth temperature display according to claim 1, further comprising a display device mounted on the housing and in signal connection with the circuit assembly and the water depth temperature sensor.

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