KR101831985B1 - Camera assembly - Google Patents

Abstract

The present invention relates to an explosion-proof multi-camera assembly installed in a place classified as an area of explosion hazard such as a power plant, a petrochemical factory, a tunnel, etc. More specifically, the present invention relates to an explosion-proof multi-camera assembly with excellent dust-proof and explosion-proof properties by comprising: a main body; a photographing unit provided to be able to rotate around the main body; and a driving unit for driving the photographing unit, wherein the main body or the photographing unit or both of them are made of a stainless steel material without forming a welding unit.

Description

Explosion-proof multi-camera assembly {CAMERA ASSEMBLY}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an explosion-proof multi-camera assembly installed in a place classified as a dangerous explosion area such as a power plant, a petrochemical plant, a tunnel, and the like. More particularly, And a driving unit for driving the photographing unit. The explosion-proof multi-camera assembly is excellent in dustproof and explosion-proof performance because the body, the photographing unit, or both of them are made of stainless steel without welding.

As the industry has grown, industrial facilities have become larger and diverse, and the use of hazardous materials has been continuously increased, which in turn increases the risk of fire and explosion. Therefore, in order to prevent the damage caused by fire and explosion, it is important to prevent the accident by predicting the risk from the stage of equipment installation and taking measures against it. For this reason, domestic and international safety standards have been established and regulated.

 In general, a pan tilt camera for industrial purposes is composed of a body portion, a rotating portion (the body is sometimes rotated) and a rotating portion, and an electric device such as a motor is mounted inside . The AC or DC power is supplied from the outside, and the internal motor is driven through the electronic circuit to control the housing to rotate up and down and left and right. The part for performing actual video surveillance is a camera housing unit The camera is mounted inside. This camera converts the light of an external subject incident through a lens into an electric signal through a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor) using a supplied power source and outputs this signal to an external recording device If you convert it to a video through a video output device like a monitor, you can see it on the screen.

 In this case, the subject to be monitored is usually turned into an electrical signal, and in the process of being converted into a video signal, the outside environment may not always be able to display a clear image as we see with the eyes. On the other hand, You can even watch what you do not see.

Conventional techniques for such explosion-proof cameras are disclosed in Korean Patent No. 10-1373278 and Japanese Patent Laid-Open No. 10-2010-0118206. The present invention can be applied to an IEC (International Electrotechnical Commission) such as an oil plant and a liquefied gas / petrochemical complex, Commission International Electrotechnical Commission (NEC)) or the North American Classification of Hazardous Locations (NEC), it is important to note that even if spark or explosion occurs due to various causes of internal electrical devices, It is designed to prevent the impact from spreading to external hazardous areas.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

It is a concept that combines the existing Pan / Tilt and fixed type cameras to monitor images from the pressure-proof and dust explosion-proof cameras installed in hazardous areas. It is a structure that needs to be used separately for each use purpose. Pan / tilt and fixed type Can be used at the same time by combining and separating in one product, and normal monitoring image can be secured even from the external environmental influences such as the amount of light and temperature. In addition, since the welding part is not formed and is made of stainless steel material, And an object of the present invention is to provide an explosion-proof camera assembly capable of improving dustproof and pressure-resistant performance.

Another object of the present invention is to provide an explosion-proof camera assembly capable of enhancing a photographing environment and configuring a user with a variety of products by further having an image auxiliary means capable of interlocking with a photographing unit including a camera.

To achieve these and other advantages and in accordance with the purpose of the present invention, as embodied and broadly described herein,

A main body including a first powder and a second powder which is coupled to the first powder by a first rotation axis so as to be capable of pivoting;

A casing rotatably coupled to one side of the second powder by a second rotating shaft, and a camera provided in the casing;

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And the casing of the main body or the photographing unit or both of them are made of an austenitic stainless steel material.

As described above, the explosion-proof type camera assembly according to the present invention comprises a main body and a photographing unit rotatably mounted on the main body, wherein the main body and the photographing unit are made of an austenitic stainless steel material, .

In addition, it can be optically monitored by means of an image assistant means such as an IR lamp, an LED, and a thermal imaging camera, It has the effect of monitoring the area where there is no information,

The image supporting means can be detachably attached to the camera body so that the camera can be changed to an external camera. By separately separating and attaching the photographing unit to the corresponding bracket, not only the utilization can be improved, It is possible to improve the ease of installation and to lower the cost and supply it at a lower cost.

1 is a perspective view of an explosion-proof camera assembly according to the present invention;
2 is an exploded perspective view of an explosion-proof camera assembly according to the present invention.
3 is a front view of an explosion-proof camera assembly according to the present invention.
4 is a view showing an embodiment of an explosion-proof camera assembly according to the present invention
5 and 6 are views showing an example of an explosion-proof camera assembly according to the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

The explosion-proof camera assembly A according to the present invention comprises a main body 10, a photographing unit 20 provided in the main body 10, and a drive unit for driving the rotation of the photographing unit 20 , And an image auxiliary means (30) detachably.

More specifically, referring to FIGS. 1 to 3,

The main body 10 is made up of the first powder 11 and the second powder 12 and the first powder 11 and the second powder 12 are shown in a cylindrical shape. It is also possible to form another polygonal shape.

The first powder 11 is fixed to the mounting surface and the second powder 12 is coupled to the first powder 11 and is rotatably provided from the first powder 11. [

That is, the first powder 11 and the second powder 12 are connected to each other through the first pivot 111 so that the second powder 11 12 can be rotated.

A second rotating shaft 121 and a third rotating shaft 123 similar to the first rotating shaft 111 are provided on both sides of the second powder 12, The imaging unit 20 is coupled to the third rotating shaft 123, and the image auxiliary unit 30 is coupled to the third rotating shaft 123.

However, as shown in FIG. 4, the image auxiliary unit 30 is detachable according to the installation environment, but the scope of the right should not be limited.

The photographing unit 20 and the image auxiliary means 30 can be rotated from the second powder 12 of the main body 10 through the second rotating shaft 121 and the third rotating shaft 123 Bar that can adjust shooting angle,

Although not shown in the figure, a driving unit including a driving motor for driving the second rotating shaft 121 and the third rotating shaft 123 is further provided inside the second powder 12, The powder 11 is preferably provided with various electric devices for applying electricity.

The second rotating shaft 121 and the third rotating shaft 123 are coupled to each other inside the second powder 12 so that the second rotating shaft 121 and the third rotating shaft 123 can be interlocked with each other. Can be operated in the same interlocking manner to enhance the completeness of the photographing.

The imaging unit 20, the main body 10, and the image auxiliary unit 30 are integrally formed with an integral type injection molding process, which is not subjected to a separate welding process. For this purpose, Each of which is assembled by using bolts or the like, and particularly, they are made of an austenitic stainless steel material to further improve the explosion-proof performance.

Here, austenitic stainless steel is a type of stainless steel used for a superheater or the like having a steam temperature of 550 ° C or higher, and is an alloy steel containing 12 to 20% of chromium and 8 to 16% of nickel with a small amount of molybdenum added thereto , Good workability, low thermal conductivity, and high curability by cold working.

The camera unit A according to the present invention is provided with a photographing unit 20. The photographing unit 20 includes a casing 21 and a camera 211 provided inside the casing 21, And a cover 23 coupled to the casing 21 to cover the camera 211.

Specifically, a casing 21, into which a camera 211 is inserted, is provided in the second rotation shaft 121 in a cylindrical shape, and a cover 23 for protecting the camera 211 is attached to the casing 21 ). ≪ / RTI > At this time, a translucent member 215 is provided in front of the camera 211 to prevent foreign matter from being inserted, and a heat generating member 213 is further provided at a rear end of the translucent member 215, It is possible to prevent fogging, frost, and the like, which are generated due to temperature differences, which are environmental factors, from occurring in the translucent member 215.

The image auxiliary means 30 is further provided on the other side of the second powder 12, that is, on the third rotation axis 123. The image auxiliary means 30 includes a separate housing, An IR lamp, an LED or an infrared camera 211, and the like, which are installed at the user's option.

In addition, the third coaxial shaft 123 and the image auxiliary unit 30 can be easily detachably attached to the image auxiliary unit 30 to select and assemble the image auxiliary unit 30 according to the user's environment.

Further, since the photographing unit 20 or the image auxiliary means 30 or both of them are provided with the shielding member 25, when it is installed outside, the solar radiation heat can be reflected, thereby improving durability and lifetime And this shield member 25 can be coupled to the casing 21 of the photographing unit 20 or the upper portion of the housing of the image assistant means 30 or both using separate bolts, They may be combined through members to facilitate bonding and separation, and to improve bonding stability.

5 and 6 illustrate a modification of the explosion-proof type camera assembly A according to the present invention. The casing 21 and the shield member 25 of the photographing unit 20 are more firmly fixed The fixing member B has a shape in which the first locking member B10 and the second locking member B20 are coupled to each other and through which the casing 21 And the shield member 25 can be securely fixed.

More specifically, the first locking member B10 and the second locking member B20 of the fixing member B are respectively provided at the lower end of the shield member 25 and the upper end of the casing 21 of the photographing unit 20 The first and second locking members B10 and B20 are engaged with each other and stably fixed when the first and second locking members B10 and B20 are fixed to each other. So that the convenience of use is further improved.

In the drawings, the fixing member B is separately shown for convenience of explanation.

5, a locking groove B15 is formed in the first locking member B10 and a locking projection B15 is formed in the second locking member B20 so as to be inserted into the locking groove B15 B21). For convenience of description, upper, lower, left, and right are determined based on FIG.

The first locking member B10 and the second locking member B20 can be inserted and fixed in the locking groove B15 with the locking protrusion B21 interposed between the locking protrusion B21 and the locking groove B15 ), The present invention provides the following structure for more stable fixing and convenient separation.

First, the locking protrusion B21 is provided with a second magnet B22. At this time, the N pole of the second magnet B22 faces upward, and the left and right sides of the locking protrusion B21 And the fifth and sixth magnets B23 and B25 are provided on the right side so that the upper portion forms an N pole.

A first magnet B12 is provided on the inner side of the lock groove B15, that is, above the lock groove B15 with reference to the drawing. The first magnet B12 is fixed to the first lock member B10, And is configured to form an N pole on the left side and an S pole on the right side.

Therefore, when the S pole of the first magnet B12 is positioned above the lock groove B15, the armature B reacts with the N pole of the second magnet B22 of the lock projection B21, When the N pole of the first magnet B12 is positioned above the lock groove B15 by the operation described later, the N pole of the second magnet B22 of the lock projection B21 acts on the N pole and the lock state is released .

That is, the lock state can be maintained or released by the attractive force and the repulsive force of the first magnet B12 and the second magnet B22. In order to perform the sliding movement of the first magnet B12, B12 are provided with lock bars B11.

FIG. 6 is an enlarged view of the lock bar B11. First, the lock bar B11 is provided to interpose the inner bar B115 and the inner bar B115 on both sides of the inner bar B115 A first protruding bar B111 and a second protruding bar B113 are provided and a first elastic body B117 is provided between the inner side of the first protruding bar B111 and the left end of the lock bar B11 A second elastic body B118 is provided between the inner side surface of the second protruding bar B113 and the right end of the lock bar B11 so as to provide an elastic force.

A first push bar B112 for pushing the first magnet B12 is provided under the first protruding bar B111 and a second push bar B112 for pushing the first magnet B12 is also provided below the second protruding bar B111. And a second push bar B114 capable of pushing the first push bar B12 in the opposite direction.

5, the locking bar B11 is moved in the first locking member B10 in the first locking member B10, A first protruding bar B111 and a second protruding bar B113 are provided on both sides of the first magnet B12 so as to protrude from the first locking member B10, Is positioned on the left side of the first magnet B12.

At this time, when the user pushes the first protruding bar B111 to the right side, the first push bar B112 pushes the first magnet B12 to the right side, The first locking member B10 is locked to the second locking member B20 due to the repulsive force of the first locking protrusion B21 with the N pole, .

The first protruding bar B111 is retracted by the elastic force of the first elastic body B117 and the second protruding bar B113 is pressed to lock the locking protrusion B21 back into the lock groove B15 The first magnet B12 is moved to the left by pushing the second push bar B114 and the S pole of the first magnet B12 can be positioned at the lock groove B15 again, And the lock projection B21 is prevented from being detached from the lock groove B15 by the attractive force of the second magnet B22.

The second protruding bar B113 is also restored by the second elastic body B118.

In addition, the present invention further includes third to sixth magnets B131, B141, B23, and B25 for more stable coupling.

More specifically, a fifth magnet B23 and a sixth magnet B25 are provided on the left and right sides of the locking protrusion B21. The fifth magnet B23 and the sixth magnet B25 are connected to the N pole As shown in FIG.

A third magnet B131 is provided in the first space portion B14 on the left side of the lock groove B15 and a fourth magnet B141 is provided in the second space portion B14 on the right side of the lock groove B15. Respectively.

The third magnet B131 and the fourth magnet B141 are both provided with N poles and S poles. The third magnet B131 is provided so that its upper portion forms an S pole and its lower portion forms an N pole, 4 magnet B141 is configured such that the upper portion forms an N pole and the lower portion forms an S pole.

5A, when the lock projection B21 and the lock groove B15 are engaged with each other, the S pole of the third magnet B131 of the first space B14 is connected to the first magnet B13 B12 to prevent the first magnet B12 from moving so that the attracting force of the S pole of the fourth magnet B141 and the N pole of the sixth magnet B25 acts on the N pole of the first magnet B14, So that a larger magnetic force can be formed together with the attractive force between the magnet B12 and the second magnet B22.

5 (B) and 5 (C), when the lock bar B11 is operated to push the first magnet B12 to the right, the first magnet B12 in the first space B14 The attractive force between the N pole of the third magnet B131 and the N pole of the third magnet B131 is released and the repulsive force between the N pole of the third magnet B131 and the N pole of the fifth magnet B23 is generated, As the first magnet B12 moves to the right side, the S pole of the first magnet B12 is located in the second space portion B14. At this time, the S pole of the first magnet B12 and the S pole of the fourth magnet B12, The attracting force between the fourth magnet B141 and the sixth magnet B25 is interfered with the attraction of the fourth magnet B141 due to the attraction force between the N poles of the magnet B141, do.

Therefore, the present invention can more reliably prevent the first locking member B10 from being biased by the attractive force and the repulsive force of the first to sixth magnets B12, B22, B131, B141, B23, The first locking member B10 and the second locking member B20 are separated from each other by the second locking member B20 and the second locking member B20 so that the convenience and stability of use are further improved.

While the present invention has been particularly shown and described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And substitutions are to be construed as falling within the scope of protection of the present invention.

A: explosion-proof camera assembly 10: body
11: first powder 111: first coaxial
12: Second powder 121: Second coaxial
123: third coaxial unit 20: photographing unit
21: casing 211: camera
213: heating member 215: translucent member
23: cover 25: shield member
30: Image assistant means

Claims (4)

A main body 10 including a first powder 11 and a second powder 12 coupled to the first powder 11 by a first rotating shaft 111 so as to be pivotally movable;
A casing 21 rotatably coupled to one side of the second powder 12 by a second rotating shaft 121 and a photographing unit 20 including a camera 211 provided in the casing 21, ;
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The casings of the main body 10 or the photographing unit 20 or all of them are made of an austenitic stainless steel material,
The photographing unit 20
And a shield member (25) coupled to the upper part of the casing (21) through a fixing member (B) to block solar radiation heat,
The fixing member (B)
A first locking member B10 provided on the shield member 25 and formed with a locking groove B15 and a locking projection B21 provided on the casing 21 to be inserted into the locking groove B15 And a second locking member B20,
A first magnet B12 provided on the first lock member B10 and sliding adjacent to the lock groove B15 to position the N pole or the S pole adjacent to the lock groove B15; Further comprising a second magnet (B22) provided on the locking projection (B21) of the lock member (B20) and having an N pole,
A lock bar B11 is further provided on the upper portion of the first magnet B12,

When the N pole of the first magnet B12 is adjacent to the lock groove B15, the lock projection B21 is engaged with the lock groove B15 by the repulsive force of the second magnet B22 provided on the lock projection B21, / RTI >
When the S pole of the first magnet B12 is adjacent to the lock groove B15, the lock projection B21 is engaged with the lock groove B15 by the attraction with the second magnet B22 provided on the lock projection B21 ),
A third magnet B131 is provided on the first space B14 on the left side of the lock groove B15 and a fourth magnet B141 is provided on the right second space B14 of the lock groove B15 Further,
The third magnet B131 has an S pole at the top and a N pole at the bottom. The fourth magnet B141 has an N pole at the top and an S pole at the bottom,
A fifth magnet B23 and a sixth magnet B25 are provided on the left and right sides of the locking protrusion B21 such that the N pole faces upward,
When the lock projection B21 and the lock groove B15 are engaged with each other, the S pole of the third magnet B131 of the first space B14 is brought into close contact with the N pole of the first magnet B12 by attraction, One magnet B12 is prevented from moving and an attractive force acts between the S pole of the fourth magnet B141 and the N pole of the sixth magnet B25,
When the lock bar B11 is pushed to the right side of the first magnet B12, attraction between the N pole of the first magnet B12 and the S pole of the third magnet B131 is released, And the N pole of the fifth magnet B23 are generated and pushed against each other,
When the first magnet B12 moves to the right side and the S pole of the first magnet B12 rises by the attractive force of the N pole of the fourth magnet B141 and the fourth magnet B141 rises, The locking protrusion can be easily pushed out by interfering with the attraction force between the sixth magnet B141 and the sixth magnet B25,
The locking bar B11
A first protruding bar B111 and a second protruding bar B113 provided on both sides of the inner bar B115 and the inner bar B115 so as to interpose the inner bar B115, A first elastic body B117 is provided between the inner side of the lock bar B111 and the left end of the lock bar B11 and between the inner side of the second projecting bar B113 and the right end of the lock bar B11, An elastic body B118 is provided to give an elastic force,
A first push bar B112 for pushing the first magnet B12 is provided under the first protruding bar B111 and a second push bar B112 for pushing the first magnet B12 is also provided below the second protruding bar B113. And a second push bar B114 which is capable of pushing in the opposite direction,
On the other side of the second powder 12 of the main body 10
An image auxiliary means 30 for assisting the photographing unit 20 is rotatably provided by a third rotation shaft 123,
Wherein the second rotating shaft (121) and the third rotating shaft (123) are interlocked with each other so that the photographing unit (20) and the image auxiliary means (30) .
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