CN111550751B - Explosion-proof lamp shell - Google Patents
Explosion-proof lamp shell Download PDFInfo
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- CN111550751B CN111550751B CN202010547466.9A CN202010547466A CN111550751B CN 111550751 B CN111550751 B CN 111550751B CN 202010547466 A CN202010547466 A CN 202010547466A CN 111550751 B CN111550751 B CN 111550751B
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- lamp
- lamp shell
- fixing body
- shell
- transparent lampshade
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an explosion-proof lamp shell, which comprises a lamp shell and a transparent lampshade, wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body for fixing a lamp panel is arranged on the side wall of the lamp shell; the fixing body is provided with a plurality of edges, and a groove is formed between every two adjacent edges; the lamp body is close to transparent lampshade's position is provided with first bleeder vent, first bleeder vent slope sets up, first bleeder vent is close to transparent lampshade's one end is located the outside of lamp body keeps away from transparent lampshade's one end is located the inboard of lamp body. When the explosion-proof lamp shell is used, the lamp panel is fixed on the fixing body, heat emitted by the lamp panel is upwards transferred to a space on one side of the back face of the lamp panel through the groove at the upper part and outwards transferred through the first air holes at the lower part, so that the heat between the lamp panel and the transparent lampshade is not easy to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lampshade is reduced, and the transparent lampshade is not easy to crack.
Description
Technical Field
The invention belongs to the technical field of lighting devices, and particularly relates to an explosion-proof lamp housing.
Background
The lamps and lanterns are common lighting apparatus among people's daily life, in daily use, in some application environment, in order to prevent that the lamp body from being heated and explode and split the people, people often fix the wire netting in order to solve this problem outside lamps and lanterns, however, because sheltering from of wire netting, make the scope of illumination of lamps and lanterns have a plurality of dark spaces, seriously influence the illuminating effect of lamps and lanterns, someone tries with thickening translucent cover or uses more withstand voltage material preparation lamp body, so that lamps and lanterns are difficult to explode and split, this kind of mode has solved this problem to a certain extent, but the effect is not very ideal yet.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an explosion-proof lamp housing to solve the technical problems.
In order to achieve the above object, the present invention provides a technical solution as follows:
an explosion-proof lamp shell comprises a lamp shell and a transparent lampshade, wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body for fixing a lamp panel is arranged on the side wall of the lamp shell; the fixing body is provided with a plurality of edges, and a groove is formed between every two adjacent edges; the lamp body is close to transparent lampshade's position is provided with first bleeder vent, first bleeder vent slope sets up, first bleeder vent is close to transparent lampshade's one end is located the outside of lamp body keeps away from transparent lampshade's one end is located the inboard of lamp body.
Preferably, the fixing body includes a first fixing body and a second fixing body.
Preferably, the first fixing body and the second fixing body are symmetrically arranged with respect to a center of the lamp housing.
Preferably, the lamp housing comprises a first lamp housing and a second lamp housing, the bottom of the second lamp housing is detachably connected with the lamp shade, and the top of the second lamp housing is open; two sides of the second lamp shell are provided with convex parts extending outwards, and the convex parts are used for fixing the second lamp shell on a lamp holder; the bottom of the first lamp housing is inwards recessed to form a recessed part, the top of the second lamp housing abuts against the recessed part, and the recessed part extends inwards in the first lamp housing to form a third fixing body; the lamp is characterized in that a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body.
Preferably, a shielding plate is arranged on the first lamp housing above the recessed portion and outside the recessed portion, and the bottom of the shielding plate is flush with the bottom of the recessed portion.
Preferably, a shielding plate is arranged on the first lamp housing above the recessed portion and outside the recessed portion, the bottom of the shielding plate is connected with the bottom of the recessed portion, and the shielding plate is foldable; when the shielding plate is in the folded state, the top of the second lamp housing abuts against the recessed portion, and when the shielding plate is in the unfolded state, the top of the second lamp housing is separated from the recessed portion to form a ventilation channel.
Preferably, the lamp housing comprises a first lamp housing and a second lamp housing, the bottom of the second lamp housing is detachably connected with the lamp shade, and the top of the second lamp housing is open; two sides of the second lamp shell are provided with convex parts extending outwards, and the convex parts are used for fixing the second lamp shell on the lamp holder; the bottom of the first lamp housing is inwards sunken to form a sunken part, the shape of the top of the second lamp housing is complementary to that of the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body; a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body; the first lamp housing is located above the depressed portion, a shielding plate is arranged on the outer side of the depressed portion, the bottom of the shielding plate is lower than the bottom of the depressed portion and abuts against the raised portion, and a ventilation channel is formed between the top shape of the second lamp housing and the depressed portion.
Preferably, a second vent hole is formed in the protruding portion and located on the inner side of the shielding plate.
Preferably, the protruding portion is provided with a fixing hole, and the first lamp housing or the second lamp housing is provided with a wiring hole.
When the explosion-proof lamp shell is used, the lamp panel is fixed on the fixing body, heat emitted by the lamp panel is upwards transferred to a space on one side of the back face of the lamp panel through the groove at the upper part and outwards transferred through the first air holes at the lower part, so that the heat between the lamp panel and the transparent lampshade is not easy to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lampshade is reduced, and the transparent lampshade is not easy to crack.
The invention provides a technical scheme as follows:
an explosion-proof lamp shell comprises a lamp shell and a transparent lampshade, wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body for fixing a lamp panel is arranged on the side wall of the lamp shell; the fixing body comprises a first fixing body and a second fixing body; the lamp body is close to transparent lampshade's position is provided with first bleeder vent, first bleeder vent slope sets up, first bleeder vent is close to transparent lampshade's one end is located the outside of lamp body keeps away from transparent lampshade's one end is located the inboard of lamp body.
According to the explosion-proof lamp shell, the lamp plate is fixed on the fixing body when the explosion-proof lamp shell is used, heat emitted by the lamp plate is upwards transferred to the space on one side of the back face of the lamp plate through the space between the first fixing body and the second fixing body at the upper part and outwards transferred through the first air holes at the lower part when the explosion-proof lamp shell is used, so that the heat between the lamp plate and the transparent lampshade is not easy to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lampshade is reduced, and the transparent lampshade is not easy to crack.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof lamp housing according to the present invention;
FIG. 2 is a schematic structural view of the fixing body in FIG. 1;
FIG. 3 is a second schematic structural view of the explosion-proof lamp housing of the present invention;
fig. 4 is a third schematic structural view of the explosion-proof lamp housing of the present invention;
FIG. 5 is a fourth schematic structural view of the explosion-proof lamp housing of the present invention;
FIG. 6 is a bottom view of FIG. 5;
reference numerals in the figures; the lamp body 1, the transparent lampshade 2, the lamp panel 3, the fixing body 4, the first fixing body 41, the second fixing body 42, the rib 5, the groove 6, the first air hole 7, the fixing hole 8, the wiring hole 9, the second air hole 10, the first lamp body 11, the second lamp body 12, the protruding portion 13, the recessed portion 14, the third fixing body 15, the bolt 16 and the shielding plate 17.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the explosion-proof lamp shell is used, the lamp panel is fixed on the fixing body, and heat emitted by the lamp panel is upwards transferred to a space on one side of the back surface of the lamp panel through the groove at the upper part and outwards transferred through the first air holes at the lower part, so that the heat between the lamp panel and the transparent lampshade is not easy to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lampshade is reduced, and the transparent lampshade is not easy to crack; in addition, the first air holes are obliquely formed, so that the outside cannot easily enter the lamp shell when rainwater exists.
As a preferred solution, referring to fig. 3, the lamp housing comprises a first lamp housing 11 and a second lamp housing 12, the bottom of the second lamp housing is detachably connected with the lamp cover, and is generally screwed, and the top of the second lamp housing is open, i.e. has no cover; the two sides of the second lamp housing are provided with protruding portions 13 extending outwards, and the protruding portions are used for fixing the second lamp housing to the lamp holder; the bottom of the first lamp housing is inwards recessed to form a recessed part 14, the top of the second lamp housing abuts against the recessed part, and the recessed part extends inwards in the first lamp housing to form a third fixing body 15; the lamp is characterized in that a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt 16 is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body.
In the structure, when in manufacturing, the first lamp housing can be made of a material with lighter weight, such as aluminum or plastic, and in the using process, if heat in the whole lamp housing is rapidly accumulated to rapidly increase the air pressure in the lamp housing, the first lamp housing can be jacked up by the pressure of gas, so that the pressure of the air pressure on the transparent cover is relieved, and the transparent cover is not easy to crack, in the process, due to the limitation of bolts, the first lamp housing cannot be separated from the second lamp housing, especially, the fixing body comprises a first fixing body 41 and a second fixing body 42, under the condition that the first fixing body and the second fixing body are symmetrically arranged by taking the center of the lamp housing as a reference, the first lamp housing can only be jacked up by the limitation of two bolts, the top of the second lamp housing is separated from the concave portion to form an air-permeable channel, and the air-permeable channel is not partially shielded between the two convex portions, so that heat exchange with the outside can be rapidly formed, and according to the heat motion principle, the first bleeder vent of bottom supplyes cold air and ventilation channel cooperation formation backward flow in the bottom, has further accelerated the inside and outside heat exchange of lamp body to the difference in temperature of the inside and outside both sides of transparent lamp cover has been reduced, makes transparent lamp cover be difficult to explode and splits.
In actual production, in order to prevent rainwater from entering the lamp housing when the first lamp housing is jacked up, a shielding plate 17 is arranged above the recessed portion on the first lamp housing and on the outer side of the recessed portion, referring to fig. 4, the bottom of the shielding plate is flush with the bottom of the recessed portion, and of course, the shielding plate can be arranged on the outer side of the first air hole to further achieve a rainproof effect.
The bottom of the shielding plate can be abutted against the bottom of the recessed part and can also be connected with the bottom of the recessed part, under the condition of connection, the shielding plate can be foldable, and particularly, the middle of the shielding plate can be made of a rainproof material into a cloth shape to connect the shielding plates at two ends; work as the shielding plate is located under fold condition, the top of second lamp body supports on the depressed part, works as the shielding plate is located under the expansion state, the top of second lamp body with the depressed part breaks away from and forms ventilative passageway, and shielding plate and bolt restrict first lamp body jointly like this, prevent that first lamp body and second lamp body from breaking away from effectual completely, and rain-proof effect is better.
As another preferred solution, referring to fig. 5 and 6, the lamp housing comprises a first lamp housing 11 and a second lamp housing 12, the bottom of the second lamp housing is detachably connected to the lamp housing, and the top of the second lamp housing is open, i.e. without a cover; two sides of the second lamp housing are provided with convex parts 13 extending outwards, and the convex parts are used for fixing the second lamp housing on a lamp holder; the bottom of the first lamp housing is inwards sunken to form a sunken part 14, the shape of the top of the second lamp housing is complementary to that of the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body 15; a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt 16 is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body; and a shielding plate 17 is arranged on the first lamp housing above the depressed part and outside the depressed part, and the bottom of the shielding plate is lower than the bottom of the depressed part and abuts against the raised part, so that a ventilation channel is formed between the top shape of the second lamp housing and the depressed part. This kind of structure is applicable to the great condition of power of lamp plate for ventilative passageway is in the open mode always, and is further, lie in on the bellying the inboard of shielding plate is provided with second venthole 10, with further increase heat diffusion speed.
In order to facilitate wiring, the first lamp housing or the second lamp housing may further have a wiring hole 9 during manufacturing, and the arrangement of the wiring hole is well known to those skilled in the art and will not be described herein again.
When the explosion-proof lamp shell is used, the lamp panel is fixed on the fixing body, and when the explosion-proof lamp shell is used, heat emitted by the lamp panel is upwards transferred to a space on one side of the back surface of the lamp panel through a space between the first fixing body and the second fixing body above the lamp panel and outwards transferred through the first air holes below the lamp panel, so that the heat between the lamp panel and the transparent lamp shade is not easy to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lamp shade is further reduced, and the transparent lamp shade is not easy to crack; in addition, the first air holes are obliquely formed, so that the outside cannot easily enter the lamp shell when rainwater exists.
When the explosion-proof lamp shell is used, the lamp panel is fixed on the fixing body, heat emitted by the lamp panel is upwards transferred to a space on one side of the back surface of the lamp panel through a space between the first fixing body and the second fixing body and the groove above the lamp panel, and is outwards transferred through the first air holes below the lamp panel, and in the process of transferring, the heat rises through the first fixing body and the second fixing body, the groove can form a loop so as to facilitate the flow of the heat, so that the heat between the lamp panel and the transparent lamp shade is more difficult to rapidly accumulate, the temperature difference between the inner side and the outer side of the transparent lamp shade is further reduced, and the transparent lamp shade is difficult to crack; in addition, the first air holes are obliquely formed, so that the outside cannot easily enter the lamp shell when rainwater exists.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An explosion-proof lamp shell comprises a lamp shell (1) and a transparent lampshade (2), wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body (4) for fixing a lamp panel (3) is arranged on the side wall of the lamp shell; it is characterized in that the preparation method is characterized in that,
a plurality of ribs (5) are arranged on the fixed body, and grooves (6) are formed between the adjacent ribs;
a first air hole (7) is formed in the position, close to the transparent lampshade, of the lamp shell, the first air hole is obliquely arranged, one end, close to the transparent lampshade, of the first air hole is located on the outer side of the lamp shell, and one end, far away from the transparent lampshade, of the first air hole is located on the inner side of the lamp shell;
the lamp shell comprises a first lamp shell (11) and a second lamp shell (12), the bottom of the second lamp shell is detachably connected with the lampshade, and the top of the second lamp shell is open;
two sides of the second lamp shell are provided with protrusions (13) extending outwards, and the protrusions are used for fixing the second lamp shell to a lamp holder;
the bottom of the first lamp housing is inwards sunken to form a sunken part (14), the top of the second lamp housing is abutted against the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body (15);
the lamp is characterized in that a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt (16) is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body.
2. An explosion-proof lamp envelope according to claim 1, characterized in that the fixture comprises a first fixture (41) and a second fixture (42).
3. An explosion-proof lamp housing according to claim 2, wherein the first fixing body and the second fixing body are symmetrically arranged with respect to the center of the lamp housing.
4. An explosion-proof lamp housing according to claim 1, wherein a shielding plate (17) is arranged on the first lamp housing above the recessed portion and outside the recessed portion, and the bottom of the shielding plate is flush with the bottom of the recessed portion.
5. An explosion-proof lamp housing according to claim 1, wherein a shielding plate (17) is arranged on the first lamp housing above the recessed portion and outside the recessed portion, the bottom of the shielding plate is connected with the bottom of the recessed portion, and the shielding plate is foldable;
when the shielding plate is in the folded state, the top of the second lamp housing abuts against the recessed portion, and when the shielding plate is in the unfolded state, the top of the second lamp housing is separated from the recessed portion to form a ventilation channel.
6. An explosion-proof lamp shell comprises a lamp shell (1) and a transparent lampshade (2), wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body (4) for fixing a lamp panel (3) is arranged on the side wall of the lamp shell; it is characterized in that the preparation method is characterized in that,
a plurality of ribs (5) are arranged on the fixed body, and grooves (6) are formed between the adjacent ribs;
a first air hole (7) is formed in the position, close to the transparent lampshade, of the lamp shell, the first air hole is obliquely formed, one end, close to the transparent lampshade, of the first air hole is located on the outer side of the lamp shell, and one end, far away from the transparent lampshade, of the first air hole is located on the inner side of the lamp shell;
the lamp shell comprises a first lamp shell (11) and a second lamp shell (12), the bottom of the second lamp shell is detachably connected with the lampshade, and the top of the second lamp shell is open;
two sides of the second lamp shell are provided with convex parts (13) extending outwards, and the convex parts are used for fixing the second lamp shell on a lamp holder;
the bottom of the first lamp housing is inwards sunken to form a sunken part (14), the shape of the top of the second lamp housing is complementary to that of the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body (15);
a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt (16) is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body;
a shielding plate (17) is arranged on the first lamp housing above the recessed portion and outside the recessed portion, and the bottom of the shielding plate is lower than the bottom of the recessed portion and abuts against the raised portion, so that a ventilation channel is formed between the top shape of the second lamp housing and the recessed portion.
7. An explosion-proof lamp housing according to claim 6, characterized in that the boss is provided with a second venting hole (10) on the inner side of the shielding plate.
8. An explosion-proof lamp housing according to claim 1 or 6, characterized in that the boss is provided with a fixing hole (8), and the first lamp housing or the second lamp housing is provided with a wiring hole (9).
9. An explosion-proof lamp shell comprises a lamp shell (1) and a transparent lampshade (2), wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body (4) for fixing a lamp panel (3) is arranged on the side wall of the lamp shell; it is characterized in that the preparation method is characterized in that,
the fixing body comprises a first fixing body (41) and a second fixing body (42);
a first air hole (7) is formed in the position, close to the transparent lampshade, of the lamp shell, the first air hole is obliquely arranged, one end, close to the transparent lampshade, of the first air hole is located on the outer side of the lamp shell, and one end, far away from the transparent lampshade, of the first air hole is located on the inner side of the lamp shell;
the lamp shell comprises a first lamp shell (11) and a second lamp shell (12), the bottom of the second lamp shell is detachably connected with the lampshade, and the top of the second lamp shell is open;
two sides of the second lamp shell are provided with convex parts (13) extending outwards, and the convex parts are used for fixing the second lamp shell on a lamp holder;
the bottom of the first lamp housing is inwards sunken to form a sunken part (14), the top of the second lamp housing is abutted against the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body (15);
the lamp is characterized in that a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt (16) is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body.
10. An explosion-proof lamp shell comprises a lamp shell (1) and a transparent lampshade (2), wherein the lamp shell is detachably connected with the transparent lampshade, and a fixing body (4) for fixing a lamp panel (3) is arranged on the side wall of the lamp shell; it is characterized in that the preparation method is characterized in that,
the fixing body comprises a first fixing body (41) and a second fixing body (42);
a first air hole (7) is formed in the position, close to the transparent lampshade, of the lamp shell, the first air hole is obliquely arranged, one end, close to the transparent lampshade, of the first air hole is located on the outer side of the lamp shell, and one end, far away from the transparent lampshade, of the first air hole is located on the inner side of the lamp shell;
the lamp shell comprises a first lamp shell (11) and a second lamp shell (12), the bottom of the second lamp shell is detachably connected with the lampshade, and the top of the second lamp shell is open;
two sides of the second lamp shell are provided with protrusions (13) extending outwards, and the protrusions are used for fixing the second lamp shell to a lamp holder;
the bottom of the first lamp housing is inwards sunken to form a sunken part (14), the shape of the top of the second lamp housing is complementary to that of the sunken part, and the sunken part extends inwards in the first lamp housing to form a third fixing body (15);
a bolt hole is formed in the position, close to the lamp shell, of the fixing body, a bolt (16) is fixed on the third fixing body, and one end, provided with a nut, of the bolt penetrates through the bolt hole and is spaced from the fixing body; a shielding plate (17) is arranged on the first lamp housing above the recessed portion and outside the recessed portion, and the bottom of the shielding plate is lower than the bottom of the recessed portion and abuts against the raised portion, so that a ventilation channel is formed between the top shape of the second lamp housing and the recessed portion.
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| CN202010547466.9A CN111550751B (en) | 2020-06-16 | 2020-06-16 | Explosion-proof lamp shell |
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| CN113357568A (en) * | 2021-05-31 | 2021-09-07 | 安徽艳阳电气集团有限公司 | Waterproof lighting lamp for ship |
| CN113405042B (en) * | 2021-06-18 | 2022-06-17 | 安徽艳阳电气集团有限公司 | Explosion-proof LED lamp of flame-proof type for nuclear |
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| CN207687918U (en) * | 2017-12-31 | 2018-08-03 | 江苏叶迪车灯有限公司 | A kind of vehicle interior roof light |
| CN208138979U (en) * | 2018-03-10 | 2018-11-23 | 陈森涛 | A kind of tunnel being easily installed disassembly LED light mounting structure |
| CN209042165U (en) * | 2018-11-09 | 2019-06-28 | 安上（漳州）科技有限公司 | A kind of radiating efficiency is high and has the LED street lamp of waterproof action |
| CN209180816U (en) * | 2018-12-20 | 2019-07-30 | 西安九度信息科技有限公司 | A kind of LED street lamp facilitating heat dissipation |
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| CN111550751A (en) | 2020-08-18 |
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