A nuclear radiation-proof atmosphere LED lamp

Abstract

A kind of anti-nuclear radiation atmosphere LED lamp, including replacement cover, pre-embedded cover and radiator, the rear end of the pre-embedded cover is provided with pre-embedded flange, and bag sealing disc is fixed on pre-embedded flange;The replacement cover is worn in pre-embedded cover, and front sealing structure is arranged between the front end of replacement cover and pre-embedded cover, and the rear end of replacement cover is provided with mounting ring, and mounting ring is installed on pre-embedded flange by several flange bolts, and rear sealing structure is arranged between the rear end of replacement cover and pre-embedded cover;Above all, the protective cover of the application is used for lampshade, when lamp body or lampshade is damaged and needs to be repaired, connect sealing bag in bag sealing disc, so that hot chamber gas does not leak out, and operator carries out overall maintenance or replacement by sealing bag outside hot chamber;The structure on the lamp makes the installation sealing reliable, and lead plate body is further provided, to reduce the influence of hot chamber radiation on operator.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of lighting lamps and lanterns, and particularly relates to a nuclear radiation-proof atmosphere LED lamp. BACKGROUND

[0002] The lamp plug type lighting lamp serves the cleaning room and the transfer room of the reactor plant of the nuclear power unit project, and provides safe and reliable lighting for the same, so as to ensure that various operations are normally performed according to requirements. The lamp plug type lighting lamp is a non-safety class item with special requirements, and the lamp plug type lighting lamp is directly placed in the hot cell for work, so that an operator outside the hot cell can observe a target in the hot cell through a peep window and a camera. The sealing performance of the lamp plug type lighting lamp should isolate the atmosphere inside and outside the hot cell. Due to the special working environment, various problems may still occur in the lamp, for example, the surface glass cover of the lamp body is brittle and is easily broken, which has great safety hazards, or the gas in the hot cell is harmful, and it is very inconvenient to replace the lamp body. SUMMARY

[0003] The application aims to provide a nuclear radiation-proof atmosphere LED lamp, and solves the technical problems that the lamp plug type lighting lamp is easily damaged and is not easy to maintain in the prior art.

[0004] To solve the above technical problems, the application adopts the following technical scheme:

[0005] A nuclear radiation-proof atmosphere LED lamp comprises a replacement sleeve, a pre-buried sleeve and a radiator. The rear end of the pre-buried sleeve is provided with a pre-buried flange, and the pre-buried flange is fixed with a bag sealing disc.

[0006] The replacement sleeve is arranged in the pre-buried sleeve. A front sealing structure is arranged between the front end of the replacement sleeve and the pre-buried sleeve. The rear end of the replacement sleeve is provided with a mounting ring, and the mounting ring is mounted on the pre-buried flange through a plurality of flange bolts. A rear sealing structure is arranged between the rear end of the replacement sleeve and the pre-buried sleeve.

[0007] A lamp cover and a protective cover are fixed to the front end of the replacement sleeve. The lamp cover is located in the protective cover. A leakage-proof sealing structure is arranged at the joint between the lamp cover and the replacement sleeve.

[0008] The radiator is arranged in the replacement sleeve from the rear end of the replacement sleeve. A plug is detachably mounted at the rear end of the replacement sleeve. A lamp holder is detachably mounted at the front end of the radiator. The lamp holder is mounted with a lamp body. The lamp body is located in the lamp cover. A through hole is arranged in the radiator for a power cable. One end of the power cable is connected to the lamp body. The other end of the power cable is arranged outside the radiator from the rear end of the radiator.

[0009] Further, the front sealing structure comprises three sealing rings. The front end of the replacement sleeve is provided with three annular grooves. The three sealing rings are arranged in the three annular grooves, respectively.

[0010] Further, the rear sealing structure is a rear sealing ring, the rear sealing ring is sleeved on the rear end of the replacement sleeve, and the rear sealing ring is located between the mounting ring and the embedded flange.

[0011] Further, the front end of the replacement sleeve is provided with an internal thread, the rear end of the protective cover is provided with an external thread matched with the internal thread of the front end of the replacement sleeve, and the rear end of the protective cover is threadedly mounted on the front end of the replacement sleeve.

[0012] A fixing ring is arranged on the inner wall of the front end of the replacement sleeve, a stepped butt joint is arranged on the inner wall of the rear end of the protective cover, the rear end of the lamp cover is provided with a convex edge, the rear end surface of the protective cover is abutted on the fixing ring, the convex edge of the lamp cover is located at the step of the stepped butt joint, a first sealing ring is arranged between the rear end surface of the protective cover and the fixing ring, and the convex edge of the lamp cover is abutted on the first sealing ring.

[0013] Further, a second sealing ring is sleeved on the rear end of the lamp cover, and the second sealing ring is located between the step of the stepped butt joint and the convex edge.

[0014] Further, the front part of the heat sink is provided with a convex ring structure, the plug is a locking sleeve, the locking sleeve has an external thread, the rear end of the replacement sleeve is provided with an internal thread, the locking sleeve is threadedly mounted on the rear end of the replacement sleeve, and the locking sleeve is in top pressure contact with the rear end of the heat sink; under the top pressure of the locking sleeve, the convex ring structure of the front part of the heat sink is abutted on the fixing ring.

[0015] Further, a third sealing ring is arranged between the convex ring structure and the fixing ring.

[0016] Further, the front part and the rear part of the heat sink are both provided with lead plate bodies.

[0017] Compared with the prior art, the protective cover of the application is used for the lamp cover, when the lamp body or the lamp cover is damaged and needs to be repaired, the sealing bag is connected to the bag sealing disc, so that the hot chamber gas is not leaked out, and the operator can perform overall maintenance or replacement outside the hot chamber through the sealing bag; the structure on the lamp makes the on-site installation sealing reliable, and the lead plate bodies are further arranged, so that the influence of the hot chamber radiation on the operator is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the application, and constitute a part of the specification, and are used to explain the application together with embodiments of the application, and do not constitute a limitation to the application. In the drawings:

[0019] Figure 1 It is a structural schematic view of the nuclear radiation-proof LED lamp of the application;

[0020] Figure 2 It is a structural schematic view of the nuclear radiation-proof LED lamp of the application; Figure 1 It is an enlarged view of H in the middle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0022] The present application will be further described in detail below with reference to the embodiments.

[0023] As shown in Figure 1 and Figure 2 , a specific embodiment of a nuclear radiation-proof atmosphere LED lamp provided by the present application is shown in the drawings:

[0024] A nuclear radiation-proof atmosphere LED lamp comprises a replacement sleeve 1, a pre-buried sleeve 2, and a heat sink 3. The rear end of the pre-buried sleeve 2 is provided with a pre-buried flange 4, and a bag sealing disc 5 is fixed on the pre-buried flange 4.

[0025] The replacement sleeve 1 is arranged in the pre-buried sleeve 2. A front sealing structure is arranged between the front end of the replacement sleeve 1 and the pre-buried sleeve 2. Preferably, the front sealing structure is three sealing rings 6. The front end of the replacement sleeve 1 is provided with three annular grooves, and the three sealing rings 6 are respectively arranged in the three annular grooves. The rear end of the replacement sleeve 1 is provided with a mounting ring 7, and the mounting ring 7 is mounted on the pre-buried flange 4 through a plurality of flange bolts. A rear sealing structure is arranged between the rear end of the replacement sleeve 1 and the pre-buried sleeve 2. Preferably, the rear sealing structure is a rear sealing ring 8. The rear sealing ring 8 is sleeved on the rear end of the replacement sleeve 1, and the rear sealing ring 8 is located between the mounting ring 7 and the pre-buried flange 4. The front sealing structure and the rear sealing structure form a double sealing structure to prevent the contaminated atmosphere in the hot chamber from overflowing out of the hot chamber through the gap between the front sealing structure and the rear sealing structure.

[0026] A lampshade 9 and a protective cover 10 are fixed on the front end of the replacement sleeve 1. The lampshade 9 is located in the protective cover 10. Preferably, the lampshade 9 of the present embodiment is made of a material with good radiation resistance and light transmission performance (light transmission rate is greater than 80%-90%). The replacement sleeve 1 is made of 06Cr18Ni11Ti stainless steel material. The front end of the replacement sleeve 1 is provided with an internal thread. The rear end of the protective cover 10 is provided with an external thread matched with the internal thread of the front end of the replacement sleeve 1. The rear end of the protective cover 10 is threadedly mounted on the front end of the replacement sleeve 1.

[0027] The rear end inner wall of the protective cover 10 is provided with a stepped butt joint 11, the rear end of the lamp cover 9 is provided with a convex edge 12, the front end inner wall of the replacement sleeve 1 is provided with a fixing ring 13, the rear end face of the protective cover 10 abuts against the fixing ring 13, and the convex edge 12 of the lamp cover 9 is located at the step of the stepped butt joint 11, a first sealing ring 14 is arranged between the rear end face of the protective cover 10 and the fixing ring 13, and the convex edge 12 of the lamp cover 9 abuts against the first sealing ring 14, when the protective cover 10 is threadedly installed on the replacement sleeve 1, the protective cover 10 exerts force on the convex edge 12 of the lamp cover 9 through the step of the stepped butt joint 11, so that the convex edge 12 abuts against the first sealing ring 14 tightly.

[0028] A second sealing ring 15 is sleeved at the rear end of the lamp cover 9, and the second sealing ring 15 is located between the step of the stepped butt joint 11 and the convex edge 12; the front part of the heat sink 3 is provided with a convex ring structure 16, the heat sink 3 is installed into the replacement sleeve 1 from the rear end of the replacement sleeve 1, and the front part convex ring structure 16 of the heat sink 3 abuts against the fixing ring 13, the rear end of the replacement sleeve 1 is provided with an internal thread, a locking sleeve 17 is threadedly installed at the rear end of the replacement sleeve 1, and the locking sleeve 17 is in top pressure contact with the rear end of the heat sink 3; the third sealing ring 18 is arranged between the convex ring structure 16 and the fixing ring 13. The first sealing ring 14, the second sealing ring 15 and the third sealing ring 18 form a triple sealing structure, which prevents the atmosphere in the heat chamber from entering the replacement sleeve 1 through the protective cover 10 and the lamp cover 9, and then overflowing to the outside.

[0029] The front end of the heat sink 3 is detachably installed with a lamp holder 19, the lamp holder 19 is installed with a lamp body 20, the lamp body 20 is located in the lamp cover 9, the heat sink 3 is provided with a through hole 22 for a power cable to pass through, one end of the power cable is connected with the lamp body 20, and the other end of the power cable is outwardly out of the rear end of the heat sink 3.

[0030] In the embodiment, the pre-buried sleeve 2 is a sleeve that already exists in the site wall, also known as a wall-penetrating sleeve, the pre-buried sleeve 2 is pre-buried in the heat chamber wall body concrete, one end of the pre-buried sleeve 2 is welded with the heat chamber shell, the heat chamber shell has a hole with a size of φ209, the shell material is 06Cr18Ni11Ti stainless steel, the other end of the pre-buried sleeve 2 is installed with a pre-buried flange 4, and the pre-buried flange 4 is fixed in the heat chamber wall body by pouring; wherein the protective cover 10, the lamp cover 9 and the replacement sleeve 1 are fixed together, and the replacement sleeve 1 is installed on the pre-buried flange 4 through the flange bolts;

[0031] When the lamp body 20 is damaged and needs to be repaired or replaced, a sealing bag is used to seal the connection on the bag sealing disc 5 to prevent the indoor atmosphere from leaking out, and then the sealing bag is used to unscrew the locking sleeve 17, and the radiator 3 is pulled out together with the lamp holder 19, so that the lamp body 20 on the lamp holder 19 can be replaced and repaired. If the lampshade 9 is damaged, a sealing bag also needs to be used for operation, the flange bolts are removed, the replacement sleeve 1 is pulled out, the protective cover 10 is unscrewed, a new lampshade 9 is replaced, and then the protective cover 10 and the replacement sleeve 1 are reassembled, the flange bolts, the radiator 3 and the locking sleeve 17 are sequentially installed, and the replacement work is completed. The entire process is completed through the sealing bag, so that the indoor atmosphere in the hot chamber is not leaked, and the safety of the replacement and repair work is ensured.

[0032] In addition, preferably, the front and rear parts of the radiator 3 are provided with lead plate bodies 21, which play a role in preventing radiation and can effectively reduce the harm of the nuclear radiation in the hot chamber to the operator during operation.

[0033] It should be noted that in this document, terms such as "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices that include a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or devices.

[0034] Although embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A nuclear radiation atmosphere proof LED luminaire, characterized by: It includes a replacement sleeve, a pre-embedded sleeve, and a radiator. The rear end of the pre-embedded sleeve is provided with a pre-embedded flange, and a bag-sealed receiving plate is fixed on the pre-embedded flange. The replacement sleeve is inserted into the pre-embedded sleeve. A front sealing structure is provided between the front end of the replacement sleeve and the front end of the pre-embedded sleeve. An installation ring is provided at the rear end of the replacement sleeve. The installation ring is installed on the pre-embedded flange by several flange bolts. A rear sealing structure is provided between the rear end of the replacement sleeve and the front end of the pre-embedded sleeve. A lampshade and a protective cover are fixed to the front end of the replacement sleeve. The lampshade is located inside the protective cover, and a leak-proof sealing structure is provided at the joint between the lampshade and the replacement sleeve. The radiator is installed into the replacement sleeve from the rear end of the replacement sleeve. A plug is detachably installed at the rear end of the replacement sleeve. A lamp holder is detachably installed at the front end of the radiator. A lamp body is installed on the lamp holder. The lamp body is located inside the lamp cover. A through hole is provided inside the radiator for the cable to pass through. One end of the cable is connected to the lamp body, and the other end of the cable passes out from the rear end of the radiator. The front sealing structure consists of three sealing rings. The outer wall of the front end of the replacement sleeve is provided with three annular grooves, and the three sealing rings are respectively assembled in the three annular grooves. The rear sealing structure is a rear sealing ring, which is fitted onto the rear end of the replacement sleeve and is located between the mounting ring and the embedded flange. The front end of the replacement sleeve is provided with an internal thread, and the rear end of the protective cover is provided with an external thread that matches the internal thread of the front end of the replacement sleeve. The rear end thread of the protective cover is installed on the front end of the replacement sleeve. A fixing ring is provided on the inner wall of the front end of the replacement sleeve, and a stepped interface is provided on the inner wall of the rear end of the protective cover. A protruding edge is provided on the rear end of the lamp cover. The rear end face of the protective cover abuts against the fixing ring, and the protruding edge of the lamp cover is located at the step of the stepped interface. A first sealing ring is provided between the rear end face of the protective cover and the fixing ring, and the protruding edge of the lamp cover abuts against the first sealing ring. A second sealing ring is fitted at the rear end of the lampshade. The second sealing ring is located between the step and the protruding edge of the step interface. The front part of the radiator is provided with a convex ring structure, the plug is a locking sleeve, the locking sleeve has an external thread, the rear end of the replacement sleeve is provided with an internal thread, the locking sleeve is threadedly installed on the rear end of the replacement sleeve, and the locking sleeve is in pressure contact with the rear end of the radiator. Under the pressure of the locking sleeve, the convex ring structure at the front of the radiator abuts against the fixing ring.

2. The anti-nuclear radiation atmosphere LED lamp of claim 1, wherein: A third sealing ring is provided between the convex ring structure and the fixed ring.

3. The anti-nuclear radiation atmosphere LED lamp of any one of claims 1 or 2, wherein: Lead plates are installed at both the front and rear of the radiator.

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