KR102508488B1 - Housing for protecting CCTV camera - Google Patents

Abstract

The present invention relates to a cylindrical dustproof CCTV housing for industrial safety management. A fixed front cover is formed at the front of a protection case, in which a CCTV camera is installed, and a slot is formed at an upper part of the fixed front cover to allow a transparent glass and a sealing member to be inserted and replaced through the slot, thereby facilitating replacement work of the transparent glass. In addition, a pair of two-staged links that can be hinged are mounted to both sides of the protection case, in which the CCTV camera is installed, and an upper cover is connected to the two-staged links to be able to be opened and closed to allow the upper cover to be opened and closed in a curved trajectory toward a backward direction, thereby preventing disruption of surrounding objects when the upper cover is operated to be opened and thus facilitating maintenance work for the CCTV camera.

Description

Industrial Safety Management Cylindrical Dustproof CCTV Housing {Housing for protecting CCTV camera}

The present invention relates to a cylindrical anti-dust CCTV housing for industrial safety management, and more particularly, it is easy to exchange a cover glass for securing a shooting field of view of a camera, and an opening and closing plate for maintenance of a camera is installed on a trajectory without interference with surrounding objects. It relates to an industrial safety management cylindrical dustproof CCTV housing that can be opened and closed.

In general, closed-circuit television (CCTV) cameras for surveillance are installed on roads and residential areas due to the invasion of privacy and the increase in crime rate due to urbanization and industrialization, and CCTV cameras are also installed for process management in various manufacturing plants. It is becoming.

In particular, in view of the fact that the CCTV camera can be easily broken by rainwater or snow, and various foreign substances and dust when exposed to the outside without a separate cover member, it is substantially installed inside the housing for protecting the CCTV camera. .

Attached Figure 1 is a perspective view showing a conventional CCTV camera protection housing, Figures 2 and 3 are image diagrams showing the opening and closing operation state of the conventional CCTV camera protection housing.

As shown in FIGS. 1 to 3, the conventional housing 10 for protecting CCTV cameras includes a hollow protective case 12 and a front cover 14 hingedly hinged to open and close the front end of the protective case 12 ) and an upper cover 16 for maintenance that is hingedly mounted on the top of the protective case 12 to be opened and closed.

The protective case 12 has an upper opening 12-1 for insertion, installation and maintenance of a CCTV camera at its upper part, and a front opening 12-2 for securing a shooting field of view of a CCTV camera at the front part. It is provided with a formed structure.

The front cover 14 is provided with a structure in which a bolt-type clamp fastening groove 14-1 is formed on the upper portion and a through hole 14-2 for securing a shooting field of view of a CCTV camera is formed in the center portion, and the lower portion thereof is connected to the protective case 12 by a first hinge 21.

The upper cover 16 is for opening and closing the upper opening 12-1 of the protective case 12, and one end is connected to the protective case 12 by a second hinge 22, and the other end is fastened with a clamp. It is provided with a structure in which a dragon hook 16-1 is formed.

At this time, a bolt-type clamp 31 inserted into and tightened into the fastening groove 14-1 is mounted on the upper front portion of the protection case 12, and the upper opening 12-1 of the protection case 12 At a position opposite to where the cover 16 is connected to the second hinge 22, a lever-type clamp 32 into which the clamp fastening hook 16-1 is inserted and tightened is mounted.

In particular, the transparent glass 40 for protecting the lens of the CCTV camera is inserted between the front opening 12-2 of the protective case 12 and the through hole 14-2 of the front cover 14, The through hole 14-2 is covered by the transparent glass 40.

Therefore, after installing the CCTV camera therein through the upper opening 12-1 of the protective case 12, the upper cover 16 is closed and the clamp fastening hook 16-1 is attached to the lever-type clamp 32. ), and by closing the front cover 14 and inserting and tightening the bolt-type clamp 31 in the fastening groove 14-1, the CCTV camera can be protected and filmed.

At this time, the CCTV camera takes pictures through the transparent glass 40 inserted between the front opening 12-2 of the protective case 12 and the through hole 14-2 of the front cover 14. do.

On the other hand, when the outer surface of the transparent glass 40 is contaminated while dust or oil generated from roads or manufacturing plants accumulates, the shooting field of view of the CCTV camera installed inside the protective case 12 becomes blurred. , the operator opens the front cover 14 and periodically replaces the transparent glass 40.

In addition, for maintenance of the CCTV camera installed inside the protective case 12, the operator opens the upper cover 16 to periodically perform maintenance work on the CCTV camera inside the protective case 12. is being carried out.

However, the above conventional housing for protecting CCTV cameras has the following problems.

First, when an operator unlocks the bolt-type clamp 31 to replace the transparent glass 40, the moment the front cover 14 opens downward around the first hinge 21, As shown in FIG. 3, the transparent glass 40 positioned between the front opening 12-2 of the protective case 12 and the through hole 14-2 of the front cover 14 is the front cover 14. The operation of replacing the transparent glass is very difficult, such as the momentarily falling in the opening direction and breaking, so that the broken pieces of the transparent glass 40 must be cleaned, and the new transparent glass 40 must be accurately inserted and placed in place. There are problems that are cumbersome.

Second, for maintenance of the CCTV camera installed inside the protective case 12, after the operator unlocks the bolt-type clamp 31, the upper cover 16 is attached to the second hinge 22 ), when the upper cover 16 is opened by tilting it in one direction around the center, interference occurs in the opening operation of the upper cover 16 as the upper cover 16 contacts a surrounding object (eg, a post or telephone pole where CCTV is installed), Accordingly, there is a problem in that maintenance work for the CCTV camera is made very cumbersome.

Publication Patent Publication No. 10-2014-0134467 (2014.11.24.)

The present invention has been made to solve the above conventional problems, by forming a fixed front cover on the front side of a protective case in which a CCTV camera is installed, and forming a slot and an insertion groove in the fixed front cover, so that a transparent glass and The purpose is to provide an industrial safety management cylindrical dustproof CCTV housing that allows the sealing member to be inserted into the insertion groove through the slot to be replaceable, so that the operation of replacing the transparent glass can be performed very easily.

In addition, the present invention mounts a pair of foldable two-stage links on both sides of the protective case in which the CCTV camera is installed, and connects the upper cover to the two-stage link to be able to open and close, so that the upper cover forms a curved trajectory facing the rear direction The purpose is to provide an industrial safety management cylindrical dustproof CCTV housing that allows maintenance work on CCTV cameras to be performed very easily by preventing interference with surrounding objects during the opening operation of the upper cover by opening it.

In order to achieve the above object, the present invention is: a protective case formed with an upper opening for insertion, installation and maintenance of a CCTV camera at the top; A through hole is formed in the center to secure the shooting field of view of the CCTV camera, an insertion groove is formed on the outer periphery of the through hole, and a slot is formed from the upper end to the insertion groove, and is integrally formed on the front portion of the protective case fixed front cover; A ring-shaped sealing member inserted into the insertion groove through the slot; a transparent glass that is inserted into the insertion groove through the slot and adheres closely to the ring-shaped sealing member to prevent a gap and covers the through hole; a pair of two-stage links foldably mounted at lower positions of the upper opening on both sides of the protective case; and an upper cover whose both sides are connected to the upper end of the two-stage link to open and close the upper opening of the protective case in a backward curved trajectory. It provides a housing for protecting CCTV cameras, characterized in that configured to include.

In addition, an opening and closing handle is mounted on the upper surface of the upper cover for an operator to operate in an opening and closing direction, and when the opening and closing handle is pressed forward and downward, the two-stage link is folded and the upper cover closes the upper opening. It is rotated to the closed position, and when the opening/closing handle is pressed upward and backward, the two-stage link is unfolded and the upper cover is rotated to the open position to open the upper opening.

In addition, a handle end that can be picked up by an operator is formed at an upper end of the transparent glass so that insertion and removal operations for replacing the transparent glass can be easily performed.

Through the means for solving the above problems, the present invention provides the following effects.

First, a fixed front cover is formed on the front side of a protective case in which a CCTV camera is installed, and a slot and an insertion groove are formed in the fixed front cover, so that the transparent glass and the sealing member can be inserted into the insertion groove through the slot to be replaceable. By doing so, the operation of replacing the transparent glass can be performed very easily without breaking the transparent glass.

That is, since the operator can hold the end of the handle formed at the top of the transparent glass and easily insert the transparent glass into the insertion groove of the fixed front cover or take it out from the insertion groove, replacing the transparent glass without breaking the transparent glass is very easy. It can be done easily.

Second, a pair of foldable two-stage links are mounted on both sides of the protective case in which the CCTV camera is installed, and the upper cover is connected to the two-stage link to be able to open and close, so that the upper cover opens in a curved trajectory toward the rear direction. , When the upper cover is opened, interference with surrounding objects (eg, a post or telephone pole where CCTV is installed) is prevented, so that maintenance work for CCTV cameras can be performed very easily, thereby improving worker safety. can make it

That is, after the upper cover is opened in a curved trajectory toward the rear without surrounding objects by the unfolding operation of the two-stage link, since the upper cover can be fixedly maintained in the open state, Since the maintenance work for the CCTV camera can be easily performed by the worker while maintaining a stable posture, the work safety of the worker can be improved.

Third, since the maintenance work for the CCTV camera can be performed by the worker in a stable posture, the safety of the high-altitude work can be improved by the revision of the Severe Accident Act.

Fourth, the transparent glass inserted into the slot and the insertion groove of the fixed front cover is protected by a ring-shaped sealing member having excellent heat resistance, pressure resistance and vibration resistance, so that the transparent glass can be prevented from being damaged by an external force.

Fifth, when replacing the transparent glass in the past, there was a disadvantage in that maintenance costs were high due to the breakage of the transparent glass. there is.

Sixth, the present invention can increase differentiated actions and effects through various embodiments.

1 is a perspective view showing a housing for protecting a conventional CCTV camera;
2 and 3 are images showing the opening and closing operation state of the conventional CCTV camera protection housing,
4 is a perspective view showing an industrial safety management cylindrical dustproof CCTV housing according to the present invention;
5 is a front view showing an industrial safety management cylindrical dustproof CCTV housing according to the present invention;
6 is a side view showing an industrial safety management cylindrical dustproof CCTV housing according to the present invention;
Figure 7 is a cross-sectional view showing a front cover into which the transparent glass of the industrial safety management cylindrical dustproof CCTV housing according to the present invention is inserted.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

4 is a perspective view showing an industrial safety management cylindrical anti-dust CCTV housing according to the present invention, Figures 5 and 6 are a front view and a side view showing an industrial safety management cylindrical anti-dust CCTV housing according to the present invention, Figure 7 is It is a cross-sectional view showing the front cover into which the transparent glass of the industrial safety control cylindrical dustproof CCTV housing according to the present invention is inserted.

As shown in Figures 4, 5 and 6, the housing 100 for protecting the CCTV camera according to the present invention is a protective case 110 in which a CCTV camera (not shown) is installed, and the front of the protective case 110 It is configured to include a fixed front cover 120 integrally formed on the part and an upper cover 130 that opens and closes the upper opening 111 of the protective case 110 by the movement of the two-stage link 160.

The protective case 110 has a hollow structure having an open front portion and an upper opening 111 for insertion, installation, and maintenance of a CCTV camera at the top.

Accordingly, a CCTV camera may be installed inside the protective case 110 through the upper opening 111 .

The fixed front cover 120 has a through hole 121 for securing a shooting field of vision of a CCTV camera formed in the central portion, an insertion groove 122 formed on the outer periphery of the through hole 121, and an insertion groove 122 formed from the upper end. ) is provided with a structure in which a slot 123 capable of inserting the ring-shaped sealing member 140 and the transparent glass 150 is formed, and is integrally formed on the front portion of the protective case 110.

Accordingly, the ring-shaped sealing member 140 is inserted into the insertion groove 122 through the slot 123, and the transparent glass 150 is inserted into the insertion groove 122 through the slot 123 to form a through hole ( 121) to cover.

In addition, the transparent glass 150 inserted into the insertion groove 122 is in close contact with the ring-shaped sealing member 140 to prevent a gap, so that it is not broken even by internal and external vibration, and maintains its original shape.

Preferably, a slit hole 141 into which the transparent glass 150 is inserted is formed over the circular arc section of the upper side of the ring-shaped sealing member 140, and also the transparent glass is formed on the inner diameter surface of the ring-shaped sealing member 140. A fixing groove 142 into which the outer diameter portion of 150 is inserted is formed.

Accordingly, when the transparent glass 150 is inserted into the slit hole 141 of the ring-shaped sealing member 140, the outer diameter portion of the transparent glass 150 forms a fixing groove 142 formed on the inner diameter surface of the ring-shaped sealing member 140. By being press-fitted into, the transparent glass 150 adheres closely to the ring-shaped sealing member 140 to prevent a gap, and maintains its original shape without being broken even by internal and external vibrations.

At this time, the upper end of the transparent glass 150 is formed with a handle end 151 that the operator can pick up so that insertion and removal operations for replacing the transparent glass 150 can be easily performed, and the handle end 151 is It is exposed to the outside of the slot 123 in a state that a worker can pick up.

On the other hand, a pair of two-stage links 160 are foldably mounted at the bottom of the upper opening 111 on both sides of the protective case 110, and the upper cover 130 is installed on the upper end of the two-stage links 160. is connected to be able to open and close.

More specifically, the upper cover 130 is for opening and closing the upper opening 111 of the protective case 110, and its both sides are connected to the upper end of the two-stage link 160, and the curved trajectory toward the rear direction and will be opened.

Preferably, an opening/closing handle 131 for a worker to manipulate in an opening/closing direction is mounted on an upper surface of the upper cover 130 .

Accordingly, when the operator presses the opening/closing handle 131 forward and downward, the two-stage link 160 is folded and the upper cover 130 can be rotated to a closed position that closes the upper opening 111. On the other hand, when the operator presses the opening/closing handle 131 upwards and backwards, the two-stage link 160 is unfolded and the upper cover 130 can be rotated to an open position that opens the upper opening 111. there is.

Here, looking at the transparent glass replacement work process of the housing for protecting the CCTV camera made of the above configuration, and the maintenance work process for the CCTV camera in the protective case are as follows.

When the transparent glass 150 is inserted along with the ring-shaped sealing member 140 into the insertion groove 122 through the slot 123 of the fixed front cover 120, the transparent glass 150 is inserted into the insertion groove 122 of the fixed front cover 120. It becomes a state of covering the through hole 121, and in this state, the CCTV camera installed inside the protective case 110 can easily take a picture of a desired place through the transparent glass 150.

However, when the outer surface of the transparent glass 150 is contaminated by accumulation of dust or oil generated from roads or manufacturing plants, the shooting field of view of the CCTV camera installed inside the protective case 110 becomes blurred. , It is necessary to periodically replace the transparent glass 150.

To this end, first, when the operator grabs the end of the handle 151 formed on the upper end of the transparent glass 150 and is exposed to the outside and pulls it up, the transparent glass 150 inserted into the insertion groove 122 is inserted into the slot ( 123) can be easily taken out to the outside.

Subsequently, the operator holds the handle end 151 of the new transparent glass 150, and inserts the new transparent glass 150 into the insertion groove 122 through the slot 123 of the fixed front cover 120 into a ring-shaped sealing member ( 140), the new transparent glass 150 covers the through hole 121 of the fixed front cover 120 again.

In this way, the operator holds the handle end 151 formed at the upper end of the transparent glass 150, and easily inserts the transparent glass 150 into the insertion groove 122 of the fixed front cover 120 or from the insertion groove 122. Since it can be easily pulled out, the operation of replacing the transparent glass can be performed very easily without breaking the transparent glass 150 .

On the other hand, for maintenance of the CCTV camera installed inside the protective case 110, the operator should open the upper cover 130 and periodically perform maintenance work on the CCTV camera in the protective case 110. do.

To this end, on the other hand, when the operator presses the opening/closing handle 131 upwards and backwards, the two-stage link 160 unfolds and the upper cover 130 rotates to an open position that opens the upper opening 111. It can be.

At this time, in the past, as the upper cover is tilted in one direction and rotated to the open position, an interference phenomenon in which the upper cover contacts surrounding objects (eg, a post or telephone pole on which CCTV is installed) has occurred, but the upper cover according to the present invention The cover 130 is opened upwards and backwards without surrounding objects by the unfolding operation of the two-stage link 160, so that maintenance work for the CCTV camera in the protective case 110 can be performed very easily.

That is, after the upper cover 130 is opened in a curved trajectory toward the rear without surrounding objects by the unfolding operation of the two-stage link 160, the upper cover 130 can be fixedly maintained in the open state, Through the upper opening 111 of the protection case 110, the operator can easily perform maintenance work on the CCTV camera inside it while maintaining a stable posture, and accordingly, the high-altitude area work according to the revision of the Severe Accident Act Safety can be improved.

On the other hand, after the maintenance work for the CCTV camera inside is completed through the upper opening 111 of the protective case 110, when the operator presses the opening/closing handle 131 forward and downward, the two-stage link At the same time that 160 is folded, the upper cover 130 can be rotated to a closed position that closes the upper opening 111, and accordingly, the CCTV camera in the protective case 110 can be easily protected.

Meanwhile, a coating layer may be formed on the two-stage link 160 to improve weather resistance and wear resistance of the metal surface.

The coating material of this coating layer is octafluoropentyl glycidyl ether 22% by weight, diethanolamine 17% by weight, hafnium 13% by weight, organic acid magnesium 17% by weight, titanium oxide (TiO2) 9% by weight, aluminum oxide (AIO2 ) 10% by weight, 12% by weight of Cremophor EL, and the coating thickness can be formed to 9㎛.

Octafluoropentyl glycidyl ether and diethanolamine serve to prevent corrosion, weather resistance, discoloration, etc., and hafnium is a transition metal element with wear resistance and weather resistance, and serves to have excellent waterproof and corrosion resistance.

Organic acid magnesium serves to impart alkali resistance and wettability to the surface of the coating film, Cremophor EL serves as a surface activity, and titanium oxide and aluminum oxide are added for the purpose of fire resistance and chemical stability.

The reason for limiting the ratio of the components and the coating thickness as described above is that the present inventors have repeatedly failed and analyzed the test results. As a result, the optimal weather resistance and wear resistance improvement effect was shown at the ratio.

In addition, a fouling resistant coating layer made of an antifouling coating composition may be applied to the transparent glass 150 to improve fouling resistance.

The antifouling coating composition contains sulfolaurate and cocamidopropyl betaine in a molar ratio of 1:0.01 to 1:2, and the total content of sulfolaurate and cocamidopropyl betaine is 1 to 10% by weight based on the total aqueous solution. am.

The molar ratio of the sulfolaurate and cocamidopropyl betaine is preferably 1:0.01 to 1:2. When the molar ratio is out of the above range, the coating properties of the transparent glass 150 decrease or the surface moisture absorption increases after coating. Thus, there is a problem in that the coating film is removed.

The sulfolaurate and cocamidopropyl betaine are preferably 1 to 10% by weight of the total aqueous solution of the composition. If the content is less than 1% by weight, the coating property of the transparent glass 150 is deteriorated, and if the content exceeds 10% by weight, the coating Crystallization is likely to occur due to an increase in film thickness.

On the other hand, as a method of applying the stain-resistant coating composition to the transparent glass 150, it is preferable to apply it by a spray method. In addition, the thickness of the final coating film of the transparent glass 150 is preferably 900 to 2300 Å. If the thickness of the coating film is less than 900 Å, there is a problem of deterioration in the case of high-temperature heat treatment, and if it exceeds 2300 Å, there is a disadvantage in that crystallization of the coated surface is easy to occur.

In addition, the stain-resistant coating composition may be prepared by adding 0.1 mol of sulfolaurate and 0.05 mol of cocamidopropyl betaine to 1000 ml of distilled water, followed by stirring.

The reason why the ratio of the constituent components and the thickness of the coating film were numerically limited as described above was that the present inventors showed the optimal antifouling coating effect at the ratio as a result of analyzing the test results while repeating several failures.

In addition, the sealing member 140 may be made of a rubber material, and the raw material content ratio of the sealing member 140 is 65% by weight of rubber, 11% by weight of zinc diethyldithiocarbamate, and 8% by weight of atactic polypropylene. , 10% by weight of carbon black and 6% by weight of 3C (N-PHENYL-N'-ISOPROPYL-P-PHENYLENEDIAMINE) were mixed.

Zinc diethyl dithiocarbamate is added to improve vulcanization acceleration, etc., atactic polypropylene is added to act as a softener, carbon black is added to increase or improve wear resistance, thermal conductivity, etc., and 3C (N -PHENYL-N'-ISOPROPYL- P-PHENYLENEDIAMINE) is added as an antioxidant,

Therefore, in the present invention, elasticity, toughness, and rigidity of the sealing member 140 are increased, so that durability is improved, and thus the life of the sealing member 140 is increased.

The rubber material has a tensile strength of 158Kg/cm2 and an elongation of 615%.

The reason for limiting the components and components of the rubber material and limiting the numerical values of the mixing ratio is that, as a result of the inventor's analysis through test results while repeating several failures, the optimal effect in the constituent components and numerically limited ratios showed up

In addition, a coating agent for heat dissipation may be applied to the protective case 110, and heat inside the protective case 110 is smoothly discharged to the outside by the coating agent for heat dissipation. Therefore, since heat inside the protective case 110 is smoothly discharged to the outside, the CCTV camera mounted inside the protective case 110 is prevented from being damaged by excessive heat.

This coating composition for heat dissipation contains 12% by weight of gammaglycidoxypropyl trimethoxysilane, 43% by weight of butyl cellosolve, 8% by weight of chromium oxide, 11% by weight of graphite, 7% by weight of silicon nitride, and 5% by weight of sodium hydroxide (NaOH). %, 4% by weight of titanium oxide, 3% by weight of urea resin, and 7% by weight of polydimethylsiloxane.

Gammaglycidoxypropyl trimethoxysilane serves to protect the heat dissipation coating layer, butyl cellosolve serves as a binder resin, chromium oxide plays a role in wear resistance, graphite has excellent thermal conductivity and electrical properties, and silicon nitride improves strength and prevents cracking, sodium hydroxide acts as a dispersing agent, titanium oxide acts as a weather resistance, urea resin acts as an anti-settling function, and polydimethylsiloxane acts as an adhesion enhancer.

It is preferable to form a heat dissipation thickness of 9 to 1600 μm.

The reason for limiting the constituent materials and components and limiting the numerical values of the mixing ratios as described above is that, as a result of the present inventors' analysis through test results while repeating several failures, the optimal effect in the constituent components and numerically limited ratios was obtained. showed up

10: CCTV camera protection housing 12: protection case
12-1: upper opening 12-2: front opening
14: front cover 14-1: fastening groove
14-2: through hole 16: upper cover
16-1: hook for fastening clamp 21: first hinge
22: second hinge 31: bolt type clamp
32: leverage clamp 40: transparent glass
100: CCTV camera protection housing 110: protection case
111: upper opening 120: fixed front cover
121: through hole 122: insertion groove
123: slot 130: upper cover
131: opening and closing handle 140: sealing member
141: slit hole 142: fixing groove
150: transparent glass 151: handle end
160: heresy link

Claims (4)

A protective case 110 having an upper opening 111 for insertion, installation and maintenance of a CCTV camera at the top;
A through hole 121 is formed in the central part to secure a shooting field of view of a CCTV camera, an insertion groove 122 is formed on the outer periphery of the through hole 121, and a slot 123 is formed from the upper end to the insertion groove 122. A fixed front cover 120 integrally formed with the front portion of the protective case 110;
A ring-shaped sealing member 140 inserted into the insertion groove 122 through the slot 123;
a transparent glass 150 inserted into the insertion groove 122 through the slot 123 to be in close contact with the ring-shaped sealing member 140 to prevent a gap and cover the through hole 121;
a pair of two-stage links 160 that are foldably mounted at lower positions of the upper opening 111 on both sides of the protective case 110; and
an upper cover 130, the upper cover 130 having both sides connected to the upper end of the two-stage link 160 to open and close the upper opening 111 of the protective case 110, forming a curved trajectory toward the rear;
Industrial safety management cylindrical dustproof CCTV housing, characterized in that configured to include.
The method of claim 1,
The upper surface of the upper cover 130 is equipped with an opening and closing handle 131 for the operator to manipulate in the opening and closing direction,
When the opening/closing handle 131 is pressed forward and downward, the two-stage link 160 is folded and the upper cover 130 is rotated to a closed position that closes the upper opening 111, and the opening/closing handle 131 ) is pressed upwards and backwards, the two-stage link 160 is unfolded and at the same time the upper cover 130 is rotated to an open position that opens the upper opening 111, characterized in that industrial safety management cylindrical dustproof CCTV housing.
The method of claim 1,
Industrial safety control cylindrical dustproof CCTV housing, characterized in that the upper end of the transparent glass 150 is formed with a handle end 151 that the operator can pick up so that insertion and removal operations for replacing the transparent glass 150 can be easily performed .
The method of claim 1,
A slit hole 141 into which the transparent glass 150 is inserted is formed over the circular arc section of the upper side of the ring-shaped sealing member 140, and the outer diameter of the transparent glass 150 is formed on the inner diameter surface of the ring-shaped sealing member 140. Industrial safety control cylindrical dustproof CCTV housing, characterized in that the fixing groove 142 is formed into which the additional is inserted.

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