KR102262888B1 - Explosion free type lighting devices for Sealed tank - Google Patents

Abstract

The present invention relates to an explosion-proof lighting device for a sealed tank. The lighting device includes: a body having a hollow inner portion and having front and back insertion grooves and first and second bolt holes such that the front vulnerable to explosion is reinforced and the high heat of an LED lamp is quickly released to the outside; a front cover having an inner installation groove penetrated in the middle to be inserted into the front insertion groove, having a front surface provided with a front flange fixed to a multistage clamp, and fixed to the front of the body with a first bolt with a third bolt hole formed in an expanding portion and the expanding portion protruding with a gap to the back of the front flange; a back cover inserted into the back insertion groove, having a middle provided with a wire fixing tool for wire fixing, and fixed to the back of the body with a second bolt with a fourth bolt hole formed at a position corresponding to the second bolt hole; an LED lamp electrically connected to the wire in the body; an installation plate fixed with a shaft bolt to a pair of fixing shafts fixed with the inner surface of the back cover such that the LED lamp is fixed; and tempered glass installed in the front cover to block the spread of the explosion pressure generated in the sealed tank or the LED lamp by blocking the installation groove.

Description

Explosion free type lighting devices for Sealed tank}

The present invention relates to an explosion-proof lighting device for a sealed tank, and more particularly, to illuminate a sealed tank with a dark interior so that an external operator can easily grasp the internal situation with the naked eye, and, in addition, pressure generated in the sealed tank or the lighting device or Explosion-proof lighting device for sealed tanks to prevent the spread of explosions due to short circuit

In general, sealed tanks installed for the purpose of culturing and mixing cells or bacteria are manufactured in a sealed state to prevent deterioration by foreign substances.

Since it is very difficult to check the condition of various stored contents due to the darkness of the inside of these sealed tanks, a lighting device to illuminate the inside of the sealed tank is installed so that the operator can easily grasp the condition of the contents with the naked eye through the viewing window provided in the sealed tank. have.

Utility model registration No. 0469805 (name: lighting device for checking the inside of sealed tank), which was previously registered by the applicant of the present application for the above purpose, has been disclosed, and if you look at its configuration, it is a lighting device that is installed to illuminate and observe the inside of a sealed tank In the above, a cylindrical body having a hollow inside is formed, it is fixed through the sealed tank, and a fixing member having a first flange provided with a groove on one surface is formed at one end, and a hollow cylindrical body with one side open, the first A second flange having a groove is formed at one end corresponding to the flange, an LED lamp is mounted inside the open, and a housing in which a waterproof switch for ON/OFF operation of the LED lamp is installed at the upper end, and fitted into each of the grooves The protrusions protruding on the upper and lower surfaces are provided so as to be able to be water-tightened and detachably provided to seal between the first and second flanges by fitting, and it is composed of a fastening means for wrapping and fastening the outside of the first and second flanges.

That is, by connecting the sealed tank and the housing with a fastening means, the dark inside of the sealed tank can be visually checked by turning on the LED lamp. In addition, the effect of quickly installing a lighting device in the sealed tank using the fastening means is achieved. there was.

However, it has been found that the pre-registered utility model has a vulnerability to explosion and fire due to heat pressure or electric short in a closed tank or lighting device.

That is, the contents stored and stored inside the sealed tank may increase in internal pressure in the process of culturing and mixing at an appropriate temperature and humidity, or explosion due to the high temperature of the LED lamp mounted inside the housing or a short circuit such as an electrically connected connector. and fire can occur. If this explosive force is transmitted through the small gap in the front of the housing where the LED lamp is located and the part where the sealed tank and the housing are in contact, it can be greatly spread in the sealed tank with high internal pressure. There was a problem in that the contents, which had been invested for a long time, were lost, so improvement was required.

The present invention has been devised to solve the above problems, and it is configured in a close-fitting structure to enhance durability by reinforcing the front vulnerable to explosion in the lighting device and to suppress the occurrence of gaps, and also to quickly dissipate the high heat generated by the LED lamp to the outside. It is to provide an explosion-proof lighting device for a sealed tank that dissipates heat to prevent explosions such as short circuits in advance.

The present invention is configured as follows in order to achieve the above object. That is, in the lighting device for illuminating the inside of the sealed tank by being connected by a ferrule communicating with the inside of the sealed tank and a multi-stage clamp, the inside is recessed in the front in a hollow state to form a front insertion groove in which the packing is installed, and the front insertion A first bolt hole is formed at a position out of the groove, a rear insertion groove is formed that is recessed in the rear surface and a packing is installed, a body in which a second bolt hole is formed in a position outside the rear insertion groove, and the center is penetrated inside The rear end is inserted into the front insertion groove in a state in which the installation groove is formed, a front flange of a relatively large outer diameter is formed on the front surface to be fixed to the multi-stage clamp, and an extension protruding at a distance to the rear of the front flange is formed, and the A third bolt hole is formed at a position corresponding to the first bolt hole in the expansion part, and a front cover fixed to the front of the body with the first bolt, is inserted into the rear insertion groove, and a through hole is formed in the center to fix the electric wire a rear cover is installed, a fourth bolt hole is formed at a position corresponding to the second bolt hole and fixed to the rear of the body with a second bolt, and an LED lamp electrically connected to the electric wire inside the body; , A pair of fixed shafts fixed to the inner surface of the rear cover in a state where the center is penetrated so that the LED lamp is fixed, and an installation plate fixed with a shaft bolt, and explosion generated in a sealed tank or LED lamp by closing the installation groove; It is characterized in that it is composed of tempered glass installed inside the front cover to block the spread of fire.

In addition, a first gasket disposed inside the installation groove and formed in a “[” shape with a penetrating center to maintain an airtight state by being in close contact with the front surface and outer periphery of the tempered glass, and the tempered glass in a state where the center is penetrated A second gasket that is in close contact with the rear surface to maintain an airtight state, and is fixed to a ring groove formed on the inner periphery of the installation groove, the first gasket, tempered glass, and the second gasket are manufactured to maintain a state in close contact with the inner surface of the front surface of the installation groove 2 It is characterized in that it has a snap ring that is in close contact with the back of the gasket.

In addition, the front flange of the position corresponding to the third bolt hole has a bolt through hole formed so that the outer side is penetrated in an open "∪" shape so that the first bolt passes and is disposed in the third bolt hole.

In addition, it is characterized in that a front gasket groove formed in a circular concave shape on the front surface of the front flange to seat the front gasket airtightly installed with the ferrule is configured.

In addition, it is characterized in that a reinforcing part is formed to improve durability by making a low inclination from the rear to the front so as to reinforce the front where the LED lamp is disposed inside the body.

In addition, it is characterized in that the heat dissipation fins are arranged at regular intervals on the outer periphery of the body, and are formed gradually narrower in the upward direction to radiate the high heat generated by the LED lamp to the outside.

In addition, the mounting plate is formed as a cylindrical body accommodated therein and both sides are fixed with the mounting plate and shaft bolts, and the front outer surface of the cylindrical body protrudes and extends through the center so that the rear surface of the LED lamp is in contact, and the LED lamp connector passes through It is characterized in that the lamp contact portion is formed, and the heat transfer member is formed with heat transfer fins protruding from the outer periphery of the cylindrical body and contacting the inner periphery of the body.

In addition, the heat transfer fins are characterized in that a plurality of radially protruding in the longitudinal direction on the outer periphery of the cylindrical body.

As described above, according to the present invention, the front and rear sides open to the body are closed with front and rear covers, respectively, so that it is possible to block the explosion and fire caused by the high heat and short circuit that can occur in the LED lamp from spreading to the outside.

In particular, by installing the first gasket, tempered glass, and the second gasket inside the front cover and adhering them to the snap ring, the open front cover can be sealed, and the thickness of the second gasket and the snap ring is between the tempered glass and the LED lamp. By spaced apart as much as possible, the explosive power of the LED lamp is not transmitted directly to the tempered glass, and the impact is alleviated, thereby preventing damage.

As the front cover is sealed as described above, there is an effect of blocking the transmission of explosions and fires to the ferrule connected to the multi-stage clamp, and in order to increase airtightness, the front cover and the ferrule are closely attached using the front gasket to prevent the transmission of explosions and fires. There is a preventable effect.

In addition, by forming a relatively thick reinforcing part in the front of the body compared to the rear, there is an effect of improving the durability of the front of the body vulnerable to explosion by the LED lamp is installed.

On the other hand, by forming the bolt through hole in the front flange, there is an effect that the work tool can rotate the first bolt disposed in the third bolt hole through the bolt through hole without interference.

Furthermore, by forming a plurality of heat dissipation fins on the outer periphery of the body, there is an effect of preventing the occurrence of an electric short by rapidly dissipating the high heat of the LED lamp to the outside with a relatively low temperature by convection phenomenon.

Furthermore, by installing it on the heat transfer member, there is an effect of further preventing the occurrence of an electric short by transferring the high heat generated from the LED lamp to the body of a relatively low temperature and radiating the heat to the outside.

1 is a side view showing a state in which an explosion-proof lighting device according to the present invention is installed in a sealed tank;
Figure 2 is an exploded perspective view showing a state in which the explosion-proof lighting device and the ferrule according to the present invention are fixed with a multi-stage clamp according to the present invention;
3 is a side cross-sectional view showing an exploded explosion-proof lighting device according to the present invention;
4 is an exploded perspective view showing the body and the front cover according to the present invention;
5 is an exploded perspective view showing the body and the rear cover according to the present invention;
6 is a side cross-sectional view showing the inside of the explosion-proof lighting device according to the present invention;
7 is a perspective view showing a state in which a heat dissipation fin is formed on the body according to the present invention;
8 is a half-sectional perspective view illustrating a state in which a heat transfer member according to the present invention is installed;
9 is a perspective view showing a state in which the heat transfer member according to the present invention is installed;
10 is a side cross-sectional view showing a state in which the heat transfer member according to the present invention receives the high heat of the LED lamp and radiates heat;
11 is a perspective view illustrating a state in which a heat transfer hole is formed in a heat transfer member according to the present invention;

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

Explosion-proof lighting device 10 of the present invention is large, as shown in the accompanying drawings 1 to 6, the body 100, the front cover 200 fixed to the front of the body 100, and the body 100 rear A rear cover 300 fixed to the body 100, an LED lamp 500 disposed inside the body 100, a mounting plate 600 for fixing the LED lamp 500, and the front cover 200 inside It is composed of a tempered glass 700 to be installed.

On the other hand, the explosion-proof lighting device 10 is fixed to the ferrule (2) formed to protrude from the sealed tank (1) through which the light source is transmitted and the multi-stage clamp (3) connected by a plurality of rotation pins.

The body 100 is formed in a cylindrical shape with a hollow inside, and the front side is depressed to form the front insertion groove 110, and the rear side is also formed with the recessed rear insertion groove 120 to form the front and rear covers 200. 300 are installed respectively.

In addition, circular grooves are formed in the front and rear insertion grooves 110 and 120, respectively, and the packing 130 is inserted into the grooves to maintain an airtight state when fixed with the front and rear covers 200 and 300. configured to do

In addition, the first bolt holes 140 are formed at regular intervals at the front radial position deviating from the front insertion groove 110, and the second bolt holes 140 at regular intervals at the rear radial position deviating from the rear insertion groove 120 ( 150) is formed.

The front cover 200 is inserted and fixed at the rear end into the front insertion groove 110, and is formed in a "[" shape through the center, so that the installation groove 210 is formed therein.

In addition, a front flange 220 with an extended outer diameter is formed on the front surface of the front cover 200 , and the rear surface of the front flange 220 is inclined to the rear side.

The front flange 220 inclined backward in this way is formed in a symmetrical shape with the ferrule 2 and is removed so that frictional force does not occur when inserted into the multi-stage clamp 3 so that it is easily and conveniently detached.

In addition, an extension portion 230 protruding circularly at a position spaced apart from the front flange 220 rearward is formed, and the first bolt hole 140 formed in the body 100 in the extension portion 230 . ) and a third bolt hole 231 is formed in a position corresponding to the first bolt 240 is tightened to fix the front cover 200 to the front of the body 100 .

Here, the distance between the front flange 220 and the extension 230 is spaced apart by a distance that can accommodate the thickness of one inner side of the multi-stage clamp 3 .

The rear cover 300 has a front end inserted into the rear insertion groove 120 and is fixed to close the open rear of the body 100 , and in the center is an electric wire that fixes and protects the electric wire that has entered the inside of the body 100 . A through hole 310 in which the fixture 400 is installed is formed.

In addition, a fourth bolt hole 320 is formed at a position corresponding to the second bolt hole 150 in the rear cover 300 and tightened with the second bolt 330 to secure the rear cover 300 to the rear surface of the body 100 . is fixed to close the

Here, the wire fixture 400 is formed as a concave ring-shaped groove into which the thickness of the through hole 310 is inserted into the outer periphery so as to be in close contact with the rear cover 300 , and also inside the wire fixture 400 . A protective device 410 made of a fire-resistant material through which the electric wire passes is installed to protect the electric wire and at the same time to close the gap that may occur minutely when the electric wire and the electric wire fixture 400 are fixed.

The LED lamp 500 is to irradiate the light source toward the front cover 200 by electrically connecting the end of the wire that entered the body 100 and the connector, and the wire controls the temperature and humidity inside the sealed tank 1 . It is connected to the control unit (4) and is turned on or off by the operation of the control unit (4).

The mounting plate 600 is configured so that the LED lamp 500 is installed on the body 100, the center of which is penetrated so that the connector of the LED lamp 500 passes, and fixed shafts formed long in the longitudinal direction on both sides of the rear surface 620 is disposed, and the fixing shaft 620 is fixed to the inner surface of the rear cover 300 so that the LED lamp 500 is disposed in front of the body 100 .

In addition, the fixing shaft 620 has a bolt hole 621 formed at the front end to match the bolt hole 610 formed in the mounting plate 600, and is fixed with a shaft bolt 630, and at the rear end at the outer periphery A male screw is formed, and a female screw is formed in the rear cover 300 and is screwed together.

Accordingly, when the mounting plate 600 is fixed with a pair of fixed shafts 620 and shaft bolts 630 having the rear end fixed to the rear cover 300 , the LED lamp 500 installed on the mounting plate 600 is It is disposed on the front side of the body 100 so that it is possible to irradiate the dark sealed tank 1 with a light source with high illumination.

Here, the installation plate 600 is installed at a position where the front surface of the LED lamp 500 and the tempered glass 700 to be described later are spaced apart so that the explosive force generated from the LED lamp 500 is transmitted directly to the tempered glass 700 and is damaged. It is desirable to prevent

The tempered glass 700 is inserted into the installation groove 210 to close the front of the open front cover 200 and at the same time block the explosion or high pressure transmission generated in the LED lamp 500 or the sealed tank (1). is composed

On the other hand, the front cover 200 is fixed with the multi-stage clamp 3 after being in contact with the ferrule 2 , so that an explosion or fire that may occur in the sealed tank 1 or the LED lamp 500 is prevented from occurring in the tempered glass 700 . may be transmitted and diffused through possible minute gaps when seated in the installation groove 210 .

In order to solve this problem, the first gasket 250 having a cross-section formed in a “[” shape with the center penetrating so that the light source passes through is configured to wrap the front and outer periphery of the tempered glass 700 inside the installation groove It forms an airtight state with the inner surface of (210).

In addition, the second gasket 260 is formed through the center so that the light source passes, and forms an airtight state with the rear surface of the tempered glass 700 .

In addition, the inner periphery of the body 100 is in contact with the rear surface of the second gasket 260 so that the first gasket 250 , the tempered glass 700 , and the second gasket 260 are closely fixed inside the installation groove 210 . A snap ring 270 fitted into the ring groove formed in the .

Accordingly, the first gasket 250 is in close contact with the front of the tempered glass 700 and the second gasket 260 is in close contact with the rear of the tempered glass 700 , so that the gap between the open installation groove 210 and the tempered glass 700 is not opened. In addition, the snap ring 270 closely fixes the first gasket 240, the tempered glass 700, and the second gasket 260 in the front of the installation groove 210 to prevent the sealing tank 1 or the LED lamp. Even if the explosive force generated in 500 is transmitted, it is possible to prevent the spread of fire by keeping it from the original position.

On the other hand, when fixing the first bolt 240 with the first bolt hole 140 and the third bolt hole 231 coincident, the working tool interferes with the front flange 220 to remove the first bolt 240 . There is a problem that is difficult to tighten or loosen.

In order to solve this problem, a bolt through hole 221 penetrated in the shape of "∪" is formed at the position of the front flange 220 corresponding to the third bolt hole 231 .

Therefore, when the working tool passes through the bolt through hole 221 , it can be rotated to tighten or loosen the first bolt 240 without interference of the front flange 220 .

In addition, as described above, when a gap occurs in the portion where the front cover 200 and the ferrule 2 contact, an explosion and fire may spread through the gap when an external force is applied due to an increase in internal pressure, so it is vulnerable.

In order to solve this problem, the front gasket groove 222 formed in a concave circle on the front surface of the front flange 220 so as to maintain airtightness in a state in which the front surface of the front cover 200 and the front surface of the ferrule 2 are in contact with each other. Similarly, a front gasket groove and a symmetrical front gasket groove are also formed on the front surface of the ferrule 2, and the multi-stage clamp 3 is tightened and fixed with the front gasket 800 interposed therebetween.

Here, the front gasket 800 is fitted with a concave front gasket groove 222 formed in the front flange 220 and the ferrule 2 so that both sides thereof have semicircular convex attachment portions 810 are formed, and the convex attachment portions 810 are formed. The outer periphery of the close contact portion 810 is formed of a surface contact portion 820 that extends and protrudes in a rectangular shape so that the front flange 220 and one surface of the ferrule 2 are in contact with each other to improve airtightness.

Further, when the LED lamp 500 explodes due to high heat and short circuit, the front cover and the front of the fixed body 100 may be damaged.

In order to solve this problem, the inner front of the body 100 in which the LED lamp 500 is disposed has a high rear side and a low front side is formed with a low inclination, so that the reinforcing part 160 is configured to improve durability.

That is, the reinforcing part 160 is formed to be relatively thicker than the thickness of the open front of the body 100 than the thickness of the rear. Therefore, when the LED lamp 500 explodes due to high heat or electric short, it is possible to prevent the reinforcing part 160 in front of the body from being damaged or deformed, thereby blocking the inflow of explosive force and fire into the ferrule 2 .

On the other hand, the heat dissipation fin 170 is formed on the outer periphery of the body 100 so as to quickly radiate the high heat generated in the LED lamp 500 to the outside.

The heat dissipation fin 170, as shown in the accompanying drawing 7, the lower part in contact with the outer periphery of the body 100 is formed wide to increase the high heat inflow, and the upper part is formed narrowly to lower the temperature by the external air, so that the high heat temperature is rapidly moved to the lower upper part to dissipate heat, and in addition, the relatively wide lower part serves as a rib to reinforce the outer periphery of the body 100, so that when the pressure generated during the internal explosion of the body 100 is applied, the body 100 is a heat dissipation fin It can be prevented from being deformed by (170).

Furthermore, the heat transfer member 900 formed of a material having high thermal conductivity is configured to directly transfer the high heat generated by the LED lamp 500 to the body 100 to lower the internal temperature of the body.

The heat transfer member 900 is formed of a cylindrical body 910 having an accommodating space therein, as shown in FIGS. 8 to 11 , and a bolt hole of the mounting plate 600 on the front surface of the cylindrical body 910 . Holes are formed on both sides to be fixed with 610 and shaft bolt 630, and the cylindrical body 600 protrudes and extends on the front outer surface to come into contact with the rear surface of the LED lamp 500, and the LED lamp 500 passes through the connector. A lamp contact portion 920 penetrating to the center of the cylindrical body 910 is formed so as to protrude from the outer periphery of the cylindrical body 910, and the body 100 is composed of a heat transfer fin 930 that is in contact with the inner periphery and the outer surface. .

Therefore, the high heat generated in the LED lamp 500 is first transferred from the lamp contact part 920 to the heat transfer fin 930 through the cylindrical body 910 by the convection phenomenon, and then the heat transfer fin 930 is in contact with the outer surface. By dissipating heat to the outside through the body 100 having a relatively low temperature, it is possible to lower the internal pressure of the body 100 generated by high heat to prevent an explosion such as an electric short.

Here, the heat transfer member 900 is formed to protrude in the shape of a plurality of rings at regular intervals in the longitudinal direction to contact the inner periphery of the body 100 to transfer heat.

Alternatively, the heat transfer member 900 is formed to protrude long in the radial direction of the insertion progress to reduce frictional force, so that it can be mounted relatively easily.

The reason for this is that when the mounting plate 600 and the shaft bolt 630 are fixed as a result, it is fixed integrally with the rear cover 300 and inserted from the rear of the body 100. At this time, the outer surface of the heat transfer pin 930 and the body ( 100) It is possible to easily enter by reducing the frictional force caused by the frictional force caused by the contact of the inner periphery by the radial gap.

In addition, the heat transfer fin 930 may be formed by cutting the heat transfer hole 940 through the outer periphery of the cylindrical body 910 into a "c" shape with one side blocked, then bending it at 90 degrees to stand up. have.

When the heat transfer hole 940 is formed as described above, the high heat inside the cylindrical body 910 passes through the heat transfer hole 940 and then is transferred to the body 100 to radiate heat to the outside, and the heat transferred from the lamp contact unit 920 The high heat is transmitted to the heat transfer fins 930 to dissipate heat, thereby preventing an explosion or electric short that may occur inside the body 100 due to high temperature and pressure.

The explosion-proof lighting device 10 of the present invention configured as described above improves the airtightness with the first gasket 250 , the tempered glass 700 and the second gasket 260 on the front cover 200 that is vulnerable to the explosive pressure, It is possible to close the gap through which the explosion and fire can move by tightly fixing it with the snap ring 270, and in addition, by using the heat transfer member 900, the high heat generated from the LED lamp 500 is quickly radiated to the outside, resulting in the body 100. It is possible to provide a useful explosion-proof lighting device for a closed tank that can prevent an electric short due to pressure in advance by lowering the internal temperature of the tank.

The present invention is not limited to the above-described embodiments and can be implemented with various modifications within the scope permitted by the technical idea of the present invention.

Explosion-proof lighting: 10 Body: 100
Front insertion groove: 110 Rear insertion groove: 120
Packing: 130 First bolt hole: 140
Second bolt hole: 150 Reinforcement part: 160
Heat sink fin: 170 Front cover: 200
Installation groove: 210 Front flange: 220
Bolt through hole: 221 Front gasket groove: 222
Expansion part: 230 Third bolt hole: 231
1st bolt: 240 1st gasket: 250
Second gasket: 260 Snap ring: 270
Rear cover: 300 Through hole: 310
4th bolt hole: 320 2nd bolt: 330
Wire Fixture: 400 Protection: 410
LED lamp: 500 Mounting plate: 600
Fixed shaft: 610 Bolt hole: 620
Shaft bolt: 630 Tempered glass: 700
Front gasket: 800 Convex seal: 810
Surface contact part: 820 Heat transfer member: 900
Cylindrical body: 910 Lamp contact: 920
Heat transfer fin: 930 Heat transfer hole: 940
Sealed tank: 1 Ferrule: 2
Multi-stage clamp: 3 Control unit: 4

Claims (8)

In the explosion-proof lighting device 100 for illuminating the inside of the sealed tank (1) by being connected by a ferrule (2) communicating with the inside of the sealed tank (1) and a multi-stage clamp (3),
The interior is recessed in the front in a hollow state, the front insertion groove 110 in which the packing 130 is installed is formed, and the first bolt hole 140 is formed in a position outside the front insertion groove 110, the rear surface The body 100 is recessed in the packing 130 is installed rear insertion groove 120 is formed, the second bolt hole 150 is formed in a position out of the rear insertion groove 120;
The rear end is inserted into the front insertion groove 110 with the installation groove 210 having the center penetrated therein, and the front flange 220 having a relatively large outer diameter is formed so as to be fixed to the multi-stage clamp 3 on the front side, , an extended portion 230 protruding at a distance to the rear of the front flange 220 is formed, and a third bolt hole 231 at a position corresponding to the first bolt hole 140 in the extended portion 230 . The front cover 200 is formed and fixed to the front of the body 100 with the first bolt 240;
It is inserted into the rear insertion groove 120, a through hole 310 is formed in the center, a wire fixture 400 for fixing an electric wire is installed, and a fourth bolt is installed at a position corresponding to the second bolt hole 150. a rear cover 300 having a hole 320 formed therein and fixed to the rear of the body 100 by a second bolt 330;
an LED lamp 500 electrically connected to an electric wire within the body 100;
A mounting plate 600 fixed with a pair of fixed shafts 620 and shaft bolts 630 that are fixed to the inner surface of the rear cover 300 in a state where the center is penetrated so that the LED lamp 500 is fixed;
Tempered glass 700 installed inside the front cover to close the installation groove 210 to block the explosion and the spread of fire occurring in the sealed tank 1 or the LED lamp 500;
The mounting plate 600 is formed of a cylindrical body 910 accommodated therein, both sides are fixed with the mounting plate 600 and shaft bolts 630, and the cylindrical body 910 is protruded from the front outer surface and the center is A lamp contact portion 920 is formed through which the rear surface of the LED lamp 500 is penetrated and the connector of the LED lamp 500 passes through, and the heat transfer that protrudes from the outer periphery of the cylindrical body 910 and is in contact with the inner periphery of the body Explosion-proof lighting device for a closed tank, characterized in that the heat transfer member 900 is formed with a fin (930).
The method of claim 1,
A first gasket 250 disposed inside the installation groove 210 and formed in a “[” shape through which the center is penetrated and in close contact with the front and outer periphery of the tempered glass 700 to maintain an airtight state;
A second gasket 260 that is in close contact with the rear surface of the tempered glass 700 in a state through which the center is penetrated to maintain an airtight state;
It is fixed to the ring groove formed on the inner periphery of the installation groove 210 to maintain the first gasket 250, the tempered glass 700, and the second gasket 260 in close contact with the front inner surface of the installation groove 210. An explosion-proof lighting device for a closed tank, characterized in that a snap ring (270) in close contact with the rear surface of the second gasket (260) is configured.
The method of claim 1,
The front flange 220 at a position corresponding to the third bolt hole 231 has an outer side through an open "∪" shape so that the first bolt 240 passes and is disposed in the third bolt hole 231. Explosion-proof lighting device for sealed tank, characterized in that the bolt through hole 221 is formed
The method of claim 1,
Explosion-proof lighting for sealed tanks, characterized in that the front flange 220 is formed in a circular concave shape on the front surface and is configured with a front gasket groove 222 in which the front gasket 800 provided to be installed airtightly with the ferrule 2 is seated. Device
The method of claim 1,
Explosion-proof lighting device for a sealed tank, characterized in that the body 100 is formed with a low inclination from the rear to the front to reinforce the front where the LED lamp 500 is disposed to improve durability.
The method of claim 1,
Closed tank, characterized in that disposed at regular intervals on the outer periphery of the body 100, the heat dissipation fins 170 that are formed to become gradually narrower in the upward direction to radiate the high heat generated from the LED lamp 500 to the outside is configured. Explosion-proof lighting devices for use. delete The method of claim 1,
The heat transfer fin (930) is an explosion-proof lighting device for a closed tank, characterized in that a plurality of radially protruding in the longitudinal direction on the outer periphery of the cylindrical body (910).

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