CN113958899A - Lamp body, light emitting device, marker lamp and hanging piece marker lamp - Google Patents
Lamp body, light emitting device, marker lamp and hanging piece marker lamp Download PDFInfo
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- CN113958899A CN113958899A CN202010637748.8A CN202010637748A CN113958899A CN 113958899 A CN113958899 A CN 113958899A CN 202010637748 A CN202010637748 A CN 202010637748A CN 113958899 A CN113958899 A CN 113958899A
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- explosion
- proof
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- lamp
- clamping groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
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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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0413—Frames or casing structures therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a lamp housing for a marker lamp, which is provided with a circuit board and a light source component electrically connected with the circuit board; the lamp shell is formed with explosion-proof cavity and installation department separately, the explosion-proof cavity is used for sealing the circuit board of marker light, the installation department is used for setting up the display module of hanging piece marker light.
Description
Technical Field
The invention relates to the field of lamps, in particular to a lamp shell, a light-emitting device, a marker lamp and a hanging piece marker lamp.
Background
The current lighting lamps inevitably generate electric sparks or form glowing surfaces during operation, and once the electric sparks or the glowing surfaces meet explosive gas mixtures in production or rescue sites, explosion accidents can occur, so that the lives of citizens and the property safety of the state are directly endangered. The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, and can prevent electric arc, spark and high temperature which may be generated in the lamp from igniting the combustible gas and dust in the surrounding environment, thereby achieving the explosion-proof requirement.
The fire emergency sign lamp has large internal space and is difficult to manufacture into an explosion-proof function, the existing explosion-proof sign lamp consists of two parts, one part is a sign lamp body for luminous illumination, the other part is an explosion-proof box with an explosion-proof function for placing a circuit board and an electronic element, and the lamp body is very heavy, has various parts, is troublesome to assemble and is extremely expensive.
The hanging piece type marker lamp can be used as a fire-fighting emergency marker lamp and hung on a building channel to provide evacuation indication for people; the anti-explosion marker lamp can also be used as an indication mark to remind people of the current position, and a hanging piece marker lamp with an anti-explosion function is not available in the market, so that the problem of the prior art is solved, and the blank of the anti-explosion marker lamp in the industry is supplemented, so that the problem which needs to be overcome in the industry is solved.
Disclosure of Invention
In view of the above, the present invention provides a lamp housing, a light emitting device, a marker lamp and a hanging piece marker lamp, to solve the above problems, specifically:
the invention discloses a lamp shell for a marker lamp, which is provided with a circuit board and a light source component electrically connected with the circuit board; the explosion-proof cavity is used for sealing a circuit board of the marker lamp, and the mounting part is used for setting a display assembly of the hanging piece marker lamp.
2. According to the lamp housing in the technical scheme 1, the explosion-proof cavity and the mounting part are formed by integrally molding the lamp housing.
3. According to the lamp housing of claim 2, the explosion-proof cavity is formed inside the housing; the mounting part is formed outside the housing; and wire passing structures are formed between the explosion-proof cavity and the mounting part and between the explosion-proof cavity and the outside so as to realize the electric connection of the circuit board, the display assembly and an external power supply.
4. According to technical scheme 3, the lamp housing is of a long strip structure, the explosion-proof cavity and the installation part are arranged in parallel from top to bottom, preferably, the explosion-proof cavity is of a tubular structure and is transversely formed inside the lamp housing.
5. According to technical scheme 4 the lamp body, its the installation department is the draw-in groove structure, with the parallel horizontal outside that forms at the casing in explosion-proof chamber.
8. According to the lamp housing in the technical scheme 5, the clamping groove structure comprises a first clamping groove and a second clamping groove; the first clamping groove is formed at the bottom of the inner side groove of the clamping groove structure, and the groove walls at two sides of the first clamping groove extend from the bottom of the inner side groove to the direction of the groove opening to form a second clamping groove with a necking; preferably, the lamp housing further comprises a rubber blocking plate which is matched with the shape of the clamping groove structure and is sealed at two ends of the clamping groove structure; preferably, notches are respectively formed in two ends of one side, matched with the second clamping groove, of the mark plate to be matched with the glue blocking plate.
9. According to claim 6, the suspension plate marker light further comprises an indicator plate optically coupled or/and joined with the light source component, the light source component is disposed in the first slot, one end of the marker plate is disposed on the second slot, and the other end of the marker plate is suspended below the second slot; preferably, bolt fastening components are further arranged on two side walls of the mark plate and the second clamping groove.
8. According to technical scheme 7, the lamp housing is made of metal materials, the circuit board is further sleeved with an insulating tube, and the circuit board is detachably arranged in the lamp housing in an explosion-proof mode through the insulating tube.
9. According to any one of the technical schemes 1 to 8, the explosion-proof cavity is at least provided with one cavity opening, the cavity opening is provided with an explosion-proof plug, the explosion-proof plug is provided with the wire passing structure, and the wire passing structure formed by the explosion-proof plug is a wire passing hole.
10. According to the lamp housing in the technical scheme 9, the explosion-proof plug is in threaded connection with the cavity opening.
11. According to technical scheme 10, its the accent is including establishing separately the first accent and the second accent at the length both ends of flame proof cavity, the flame proof end cap include with first accent and second accent correspond first flame proof end cap and the second flame proof end cap that sets up, wherein correspond on the first accent and set up first flame proof end cap, correspond on the second accent and set up second flame proof end cap, the line hole of crossing of first flame proof end cap be used for with install display module electricity on the installation department is connected, the line hole of crossing of second flame proof end cap is used for being connected with external power source electricity.
12. According to the lamp housing in the technical scheme 11, the first explosion-proof plug is embedded in the first cavity, a cover body is arranged on the outer side of the first explosion-proof plug, and the cover body is arranged on the outer side of the first explosion-proof plug in a sealing mode and fixedly matched with the first cavity.
13. According to the lamp housing of the technical scheme 11, an adapter is arranged outside the second explosion-proof plug; the adapter sleeve is arranged on the outer side of the second explosion-proof plug or integrally formed with the second explosion-proof plug.
14. According to the lamp housing of claim 13, the second explosion-proof plug is in threaded connection with the second cavity of the explosion-proof cavity through the sealed conical tube.
15. According to technical scheme 14 the lamp body, its the outside of adapter is connected with waterproof end cap, the line hole of crossing of second adapter runs through waterproof end cap.
16. According to technical scheme 15 the lamp body, its the outside of second adapter is equipped with waterproof end cap, waterproof end cap is run through in the line hole of crossing of second adapter.
17. According to claim 16, a wall hanging member is fixed to the outer side of the adapter and/or an installation guide groove and a hanging member are further arranged on the top of the lamp housing.
18. According to the lamp housing of claim 11, a tightening structure is arranged on the cavity and is used for radially reinforcing the first explosion-proof plug installed at the first cavity.
19. The light emitting device according to claim 18, wherein the tightening structure includes a bolt fastening hole formed in a side wall of the first opening and a tightening bolt penetrating through the bolt fastening hole.
20. Lamp housing according to claim 1, comprising
The wall thickness of the explosion-proof cavity is not less than 2mm so as to meet the requirement of explosion-proof strength;
and/or the size of the cross section of the explosion-proof cavity is larger than that of the cross section of the mounting part;
21. a marker lamp comprises a circuit board, a display assembly electrically connected with the circuit board and a lamp shell, wherein an explosion-proof cavity and a mounting part are formed in the lamp shell in a separated mode; wherein: the explosion-proof cavity is formed in the lamp housing, and the circuit board is sealed in the explosion-proof cavity; the mounting part is formed outside the housing, and the display assembly is disposed on the mounting part;
the explosion-proof cavity is provided with a first cavity opening, the first cavity opening is hermetically provided with a first explosion-proof plug, a first wire passing hole is formed in the first explosion-proof plug, and the first wire passing hole is used for communicating the inside of the explosion-proof cavity with the outside of the explosion-proof cavity.
22. According to the marker light of the technical scheme 21, the first explosion suppression plug and the inner side wall of the first cavity opening form a first thread matching structure.
23. According to the marker lamp in the technical scheme 22, the lamp housing is provided with a jacking structure for radially reinforcing the first explosion-proof plug installed at the first cavity.
24. The marker light according to claim 23, wherein the tightening structure comprises a bolt fastening hole formed in a side wall of the first cavity and a tightening bolt penetrating through the bolt fastening hole.
25. According to the marker lamp in the technical scheme 22, the first explosion-proof plug is embedded in the first cavity opening, and a cover body matched with the first cavity opening is further arranged on the outer side of the first explosion-proof plug.
26. According to any one of the technical schemes 21 to 25, the explosion-proof cavity is further provided with a second cavity opening, the second cavity opening is hermetically provided with a second explosion-proof plug, a second wire passing hole is formed in the second explosion-proof plug, and the second wire passing hole is used for communicating the inside of the explosion-proof cavity with the outside of the explosion-proof cavity.
27. According to the marker lamp in claim 26, the second explosion-proof plug and the second cavity end face of the explosion-proof cavity form a second thread matching structure.
28. According to the marker lamp in the technical scheme 27, the second thread matching structure adopts the sealing conical pipe thread to realize the locking of the second explosion-proof plug and the second cavity opening.
29. According to the technical scheme 28, the second explosion-proof plug of the marker lamp is provided with the adapter, and the adapter is sleeved on the second explosion-proof plug or integrally formed with the second explosion-proof plug.
30. According to the technical scheme 29, the adapter and the second explosion-proof plug are integrally formed into an L shape.
31. According to the technical scheme 29 or 30, the adapter is provided with the wire passing channel communicated with the second wire passing hole, and the adapter is provided with a waterproof plug at the opening end of the wire passing channel far away from the explosion-proof cavity.
32. According to the marker lamp in the technical scheme 31, the installation part is a clamping groove structure formed by inwards sinking on one side surface of the lamp housing, and a wire passing port is formed on one side, close to the side where the first explosion-proof plug is installed, of the clamping groove structure.
33. According to the marker light of claim 32, two ends of the slot structure are respectively provided with a rubber baffle.
34. The marker light according to claim 33, wherein the display unit includes a marker plate and a light source unit, the slot structure includes a first slot and a second slot, the first slot is formed at a bottom of the slot structure, the second slot is formed at a notch of the slot structure, the first slot is used for mounting the light source unit, and the second slot is used for mounting the marker plate;
the groove walls on the two sides of the clamping groove structure extend along the direction from the inner side groove bottom to the groove opening to form a first clamping groove and contract to form a second clamping groove; the circuit board is connected with the light source component through a lead which is arranged in the first wire passing hole in a penetrating way and is led out through the wire passing port;
preferably, the first slot and the second slot form a T-shaped slot that is through from top to bottom.
Preferably, the light source component is transversely arranged and inserted in the first clamping groove, and the sign board is hung on the second clamping groove.
Preferably, the light source part is a light bar, the sign board is made of a light guide material, and sign patterns are arranged on one side/two sides of the sign board; one side edge of the sign board and the light source component are assembled in the mounting portion and optically coupled or/joined with the light source component.
35. According to the technical scheme 21, the marker lamp is a hanging piece type marker lamp, the lamp housing is in a long strip shape, and the explosion-proof cavity is of a tubular structure formed in the lamp housing.
36. The marker lamp according to claim 21, further comprising an insulating tube,
the insulating pipe is sleeved on the circuit board and is arranged between the circuit board and the explosion-proof cavity.
37. According to the technical scheme 36, the marker lamp is characterized in that a supporting piece is arranged in the explosion-proof cavity, the supporting piece is used for supporting and fixing the circuit board in the explosion-proof cavity so that the circuit board is not in direct contact with the explosion-proof cavity, the supporting piece is made of an insulating material, and the explosion-proof cavity is made of a metal material.
38. According to the marker lamp of claim 37, the lamp housing is provided with an installation guide groove, and the installation guide groove is arranged above the lamp housing and is used for being matched with a hoisting piece and/or a side wall hanging piece on the lamp housing to realize the hoisting of the marker lamp; and a wall hanging piece is fixed on the outer side of the adapter.
39. According to any one of the marker lights of claims 21-38, the housing of the marker light integrally forms the flameproof cavity and the mounting portion, and the mounting portion is a clamping groove recessed in the surface of the housing; preferably, the explosion-proof chamber and the mounting part are arranged side by side up and down along the length direction of the shell.
40. A pendant lighting device, comprising:
the explosion-proof part and the installation part are integrally formed; the explosion-proof part is provided with an explosion-proof cavity;
the circuit board is sealed in the explosion-proof cavity;
a light source component mounted on the mounting portion and physically isolated from the circuit board by the explosion-proof chamber;
the circuit board is electrically coupled with the light source component via/through the explosion-proof chamber.
41. The pendant of claim 40, wherein the light emitting device comprises
The explosion-proof cavity comprises at least one cavity opening, and at least one blocking piece is correspondingly blocked on the at least one cavity opening through an explosion-proof joint surface;
the circuit board is connected to the light source part through a wire passing through the at least one blocking piece;
and an external power supply lead connected to the circuit board penetrates out of the explosion-proof cavity through the at least one plugging piece.
42. According to the hanging piece type light emitting device in the technical scheme 41, the at least one blocking piece comprises a first explosion-proof blocking head, and the at least one cavity opening comprises a first cavity opening; the first explosion-proof plug is in threaded connection with the first cavity opening;
the first explosion-proof plug is provided with a first wire passing hole and/or a third wire passing hole,
the lead and the external power supply lead are respectively arranged through the first wire passing hole and the third wire passing hole; alternatively, the lead wire and the external power supply lead wire are commonly/collectively inserted through the first wire passing hole.
44. The pendant lighting device of claim 41, wherein the at least one closure comprises a first closure and a second closure, and the at least one cavity comprises a first cavity and a second cavity;
the first plugging piece is provided with a first wire passing hole, the second plugging piece is provided with a second wire passing hole,
the wire passes through the first wire passing hole, and the external power supply lead passes through the second wire passing hole.
44. According to the hanging piece type light emitting device of claim 42 or 44, the explosion-proof cavity further comprises a cover body covering the first cavity opening;
the first blocking piece is integrally sunk into the explosion-proof cavity from the first cavity opening;
the explosion-proof cavity is provided with a wire passing port on the cavity wall between the cover body and the first plugging piece
The lead wire penetrates through the first wire passing hole and is electrically connected between the circuit board and the light source component through a wire passing port.
45. According to the hanging piece type light-emitting device of the technical scheme 44, sealant is filled between the cover body and the first explosion-proof plug.
46. The pendant of claim 44, which is a light emitting device
The at least one plugging piece comprises a first explosion-proof plug and a second explosion-proof plug, and the at least one cavity opening comprises a first cavity opening and a second cavity opening; the first explosion-proof plug and the second explosion-proof plug are respectively in threaded connection with the first cavity opening and the second cavity opening.
47. The hanging piece type light emitting device according to claim 46, wherein the wire passing opening has a groove shape and is provided so as to penetrate or open in a direction of the cover body.
48. The pendant of claim 47, which is a light emitting device
The first plugging piece or the second plugging piece comprises an adapter and a waterproof plug;
one end of the adapter is connected with the second cavity through a sealing conical pipe thread, and the other end of the adapter is connected with the waterproof plug;
the third wire passing hole is formed in the adapter and the waterproof plug in a penetrating mode.
49. According to claim 48, a wall hanging member is fixed to the outer side of the adapter.
50. According to the hanging piece type light emitting device of any one of claims 40 to 49, the explosion-proof cavity and the mounting portion are integrally formed.
51. According to the hanging piece type light emitting device in the technical scheme 50, the explosion-proof cavity is made of a metal material, and the explosion-proof cavity further comprises an insulating tube which is sleeved on the circuit board.
52. According to the hanging piece type light emitting device in the technical scheme 51, the explosion-proof cavity is provided with a jacking structure for radially reinforcing the first explosion-proof plug installed at the first cavity opening.
53. According to claim 52, the tightening structure includes a bolt fastening hole formed in a sidewall of the first opening and a tightening bolt penetrating through the bolt fastening hole.
54. A hanger plate marker light comprising: the light-emitting device according to any one of claims 40 to 53, wherein the light source component is a surface light source, and more preferably a light-emitting lamp strip, and the explosion-proof cavity and the mounting portion are fixedly arranged beside a light-emitting surface of the light source component.
55. The hanging piece marker light according to claim 54, wherein the hanging piece marker light further comprises a marker plate; the sign board is made of light guide materials, and sign patterns are arranged on one side/two sides of the sign board; and
the explosion-proof chamber is rectangular form, the installation department has been seted up along its long side extending direction in the explosion-proof chamber outside, the first side of sign board with light bar is assembled in the installation department to optical coupling or/joint.
56. The tag light according to claim 55, wherein the mounting portion comprises: the concave ground is formed in the draw-in groove structure of the surface of installation department, light emitting lamp strip is assembled in the bottom of draw-in groove structure, the first side of sign board is installed the notch department of draw-in groove structure.
57. According to the hanging piece marker light of claim 56, the slot structure comprises a first slot and a second slot, the first slot is formed at the bottom of the slot inside the slot structure, the second slot is formed at the notch inside the slot structure, the first slot is used for mounting a light bar, and the second slot is used for mounting the marker plate;
the groove walls on the two sides of the clamping groove structure extend along the direction from the inner side groove bottom to the groove opening to form a first clamping groove and contract to form a second clamping groove; the circuit board is connected with the light source component through a lead which is arranged in the first wire passing hole in a penetrating mode and led out through the wire passing port.
58. According to the ceiling tag lamp of the technical scheme 57, the wall thickness of the explosion-proof cavity is not less than 2 mm.
59. According to the ceiling tag lamp of claim 54, the cross-sectional dimension of the explosion-proof chamber is larger than the cross-sectional dimension of the mounting portion;
the explosion-proof cavity and the installation part are integrally formed with the lamp housing.
60. According to the technical scheme 59, the lamp housing of the hanging piece marker lamp is provided with a mounting groove, and the mounting groove is arranged above the lamp housing and is used for being matched with a hanging piece and/or a side wall hanging piece on the lamp housing to realize hanging of the marker lamp.
61. According to the hanging piece marker light of claim 60, the marker plate is rectangular and is fastened and connected to the lamp housing by bolts penetrating through both side walls of the second slot and the first side edge; the length of the light-emitting lamp strip is 80% -120% of that of the first side edge, and the length of the explosion-proof cavity is 80% -120% of that of the first side edge.
62. According to the hanging piece marker light of the technical scheme 61, the hanging piece marker light further comprises rubber blocking plates which are plugged at two ends of the clamping groove structure; notches are respectively formed in two ends of the first side edge of the sign plate to be matched with the glue blocking plates; and;
and sealant is filled between the rubber baffle plate and the light-emitting lamp bar. Has the advantages that:
according to the marker lamp, the hanging piece is improved, the explosion-proof cavity is arranged on the lamp shell of the marker lamp, the explosion-proof cavity is matched with the explosion-proof plug, and electric arcs and sparks generated by electronic elements even explode and cannot influence the exterior of the marker lamp.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
FIG. 1 shows an exploded view of a tag light of the tag of one embodiment of the present invention;
FIG. 2 is an enlarged view of the portion D in the explosion diagram of the tag light of the embodiment of the present invention;
FIG. 3 shows a schematic view of a second flameproof plug and adapter in an integrated manner according to an embodiment of the invention;
FIG. 4 is a cross-sectional view of a tag light without a hanger and a wall hanging member according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a tag light with a hanging member and a wall hanging member according to an embodiment of the present invention.
1-a circuit board; 2-explosion-proof cavity; 3-a first explosion-proof plug; 4-a light source component; 5-an insulating tube; 6-glue blocking plate; 7-a second explosion-proof plug and an adapter; 8-a cover body; 9-waterproof plug; 10-hanging pieces; 11-tightening the bolt; 12-a wire passing port; 13-a first wire passing hole; 14-a second wire passing hole; 15-wall hanging parts; 16-a hoisting member; 17-a lamp housing; 18 a first card slot; 19-a second card slot; 20-hanging the side wall of the lamp shell; 21-hanging piece mounting holes; 22-hanging piece hanging holes; 23-hanging piece mounting bolts; 24-installing a guide groove; a-an inclined plane matching structure; b-gluing and sealing the joint surface; c-thread explosion-proof joint surface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present 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.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The existing marker lamp is expensive in manufacturing cost, and the hanging piece type marker lamp can be used as a fire-fighting emergency marker lamp and hung on a building channel to provide evacuation indication for people; the anti-explosion hanging piece marker lamp can also be used as an indication mark to remind people of the current position, and the anti-explosion hanging piece marker lamp is not available in the market. In the invention, by improving the structure of the hanging piece marker lamp, the explosion-proof cavity is arranged in the lamp shell and the explosion-proof plug is arranged in a matching way, the circuit board is arranged in the explosion-proof cavity, and when an electronic element generates electric arc and spark and even explodes, the external part of the lamp cannot be influenced; the light source component is arranged in a clamping groove formed on the lamp shell and is firm, and the light source component is subjected to intrinsically safe treatment and cannot generate electric arcs, sparks and high temperature.
To further illustrate the technical solution of the present invention, the following specific examples are provided as shown in fig. 1 to 5.
Example 1
In the embodiment, a lamp housing for a marker lamp is provided, the marker lamp is provided with a circuit board and a light source component electrically connected with the circuit board; the lamp shell is separately provided with an explosion-proof cavity and an installation part, the explosion-proof cavity is used for sealing a circuit board of the marker light, and the installation part is used for arranging a display component of the hanging piece marker light.
Furthermore, the explosion-proof cavity and the mounting part are formed by integrally molding the lamp shell. The explosion-proof cavity is formed inside the shell; the mounting part is formed outside the housing; and wire passing structures are formed between the explosion-proof cavity and the mounting part and between the explosion-proof cavity and the outside so as to realize the electric connection of the circuit board, the display assembly and an external power supply.
When the lamp shell is of a long strip structure, in one implementation mode, the lamp shell is of a long strip structure, the explosion-proof cavity and the installation part are arranged in parallel from top to bottom, preferably, the explosion-proof cavity is of a tubular structure and is transversely formed inside the lamp shell. The installation department is the draw-in groove structure, and is parallelly transversely formed in the outside of casing with the explosion-proof chamber.
In some alternative implementations, the card slot arrangement includes a first card slot and a second card slot; the first clamping groove is formed at the bottom of the inner side groove of the clamping groove structure, and the groove walls at two sides of the first clamping groove extend from the bottom of the inner side groove to the direction of the groove opening to form a second clamping groove with a necking; the first clamping groove extends along the length direction of the lamp shell, and the second clamping groove extends along the height direction.
The hanging piece marker lamp suitable for the lamp shell also comprises a marker plate optically coupled with the light source component; the clamping groove structure comprises a first clamping groove and a second clamping groove; the first clamping groove is formed at the bottom of the inner side groove of the clamping groove structure, and the groove walls at two sides of the first clamping groove extend from the bottom of the inner side groove to the direction of the groove opening to form a second clamping groove with a necking; the first clamping groove extends along the length direction of the lamp shell, and the second clamping groove extends along the height direction; the light source part is inserted in the first clamping groove, one end of the sign board is inserted on the second clamping groove, and the other end of the sign board is suspended below the second clamping groove and optically coupled or/jointed with the light-emitting lamp bar, so that light of the light source part can be guided and irradiated on the sign board; preferably, bolt fastening components are further arranged on the two side walls of the mark plate and the second clamping groove; preferably, the lamp housing further comprises a rubber blocking plate which is blocked at two ends of the clamping groove structure, and the rubber blocking plate is matched with the clamping groove structure in shape; preferably, notches are respectively formed in two ends of the matched side of the sign board and the second clamping groove to be matched with the glue blocking board; preferably, the light source component is a light bar.
The lamp shell is made of metal materials, the circuit board is further sleeved with an insulating tube, and the circuit board is detachably arranged in the lamp shell in an explosion-proof mode through the insulating tube.
The explosion-proof cavity is at least provided with a cavity opening, the cavity opening is provided with an explosion-proof plug, the explosion-proof plug is provided with the wire passing structure, and the wire passing structure formed by the explosion-proof plug is a wire passing hole.
The explosion-proof plug is in threaded connection with the cavity opening.
The chamber mouth is including establishing separately the first chamber mouth and the second chamber mouth at the length both ends of flame proof cavity, the flame proof end cap include with first chamber mouth and second chamber mouth correspond first flame proof end cap and the second flame proof end cap that sets up, wherein correspond on the first chamber mouth and set up first flame proof end cap, correspond on the second chamber mouth and set up second flame proof end cap, the line hole of crossing of first flame proof end cap be used for with install display module electricity on the installation department is connected, the line hole of crossing of second flame proof end cap is used for being connected with external power source electricity.
The first explosion-proof plug is embedded in the first cavity, a cover body is arranged on the outer side of the first explosion-proof plug, and the cover body is arranged on the outer side of the first explosion-proof plug in a sealing mode and is fixedly matched with the first cavity.
An adapter is arranged outside the second explosion-proof plug; the adapter sleeve is arranged on the outer side of the second explosion-proof plug or integrally formed with the second explosion-proof plug. And the second explosion-proof plug is in threaded connection with the second cavity of the explosion-proof cavity body through a sealed conical pipe. The outside of adapter is connected with waterproof end cap, the line hole of crossing of second adapter runs through waterproof end cap.
The outside of second adapter is equipped with waterproof end cap, waterproof end cap is run through in the line hole of crossing of second adapter.
And a wall hanging piece is fixed on the outer side of the adapter and/or the top of the lamp shell is also provided with an installation guide groove and a hanging part.
And the explosion-proof cavity is provided with a jacking structure for radially reinforcing the first explosion-proof plug installed at the first cavity opening.
The jacking structure comprises a bolt reinforcing hole formed in the side wall of the first cavity opening and a jacking bolt penetrating through the bolt reinforcing hole.
The wall thickness of the explosion-proof cavity is not less than 2mm so as to meet the requirement of explosion-proof strength;
and/or the size of the cross section of the explosion-proof cavity is larger than that of the cross section of the mounting part;
and/or the length of the light-emitting lamp strip is 80% -120% of the length of the first side edge, and the length of the cavity is 80% -120% of the length of the first side edge.
Example 2
Based on embodiment 1, there is provided in this embodiment a ceiling tile marker light, including: circuit board 1, display module, lamp body 17 and hanging piece 10 installed under lamp body 17. An explosion-proof cavity 2 for mounting the circuit board 1 is formed in the lamp housing; and an installation part for installing the display component is arranged on one side of the lamp shell, wherein the installation part is separated from the explosion-proof cavity 2 and corresponds to the hanging piece 10. Compare in explosion-proof cavity 2 and form in the inside of lamp body, this installation department forms in the outside of lamp body, promptly: one way is to recess the lamp housing in one side of the housing to form the mounting portion, or to directly process the mounting portion on one side of the lamp housing.
The hanging piece is made of light guide materials, and the single face/double faces of the hanging piece are provided with the mark patterns, so that bright display of some direction instructions or emergency instructions and the like can be realized after the light source part irradiates. Wherein the light source component can be but is not limited to a light source board. It can be understood that when the explosion-proof cavity is a tubular cavity, if the explosion-proof joint surfaces at two ends of the tubular cavity are threads, the cross sections of the two ends are circular, and the cross sections of other hollow parts can be optionally selected, including but not limited to: round, square, oval, rectangular, etc.; the overall appearance of the explosion-proof cavity can be as follows: prismatic, square cylindrical, elliptic cylindrical.
The explosion-proof cavity 2 is provided with a cavity opening and is packaged by an explosion-proof plug, and the explosion-proof plug is provided with a wire passing hole. The wire passing hole is formed in the explosion-proof plug, and is communicated with the inside of the explosion-proof cavity 2 through a first end of the wire passing hole and communicated with the outside of the explosion-proof cavity 2 through a second end of the wire passing hole after being installed to the cavity opening. The circuit board 1 is connected with the light source component 4 in the display component through a lead wire arranged in the wire through hole. Preferably: the installation part is arranged at the lower side of the lamp shell, and hoisting of the display assembly can be realized after the assembly is installed. Preferably: the lamp shell integrally forms an explosion-proof cavity 2 and a mounting part.
In this case, the lamp housing may be an elongated shape or other shapes. When the lamp shell adopts a long strip structure, correspondingly: the explosion-proof cavity 2 and the circuit board 1 inside the explosion-proof cavity, the mounting part and the light source component 4 inside the mounting part are arranged along the long edge direction of the lamp shell. This flame proof end cap can adopt threaded connection when fixed with the accent of flame proof cavity 2, promptly: and a threaded explosion-proof joint surface C is formed between the cavity opening and the explosion-proof plug so as to realize detachable matching. When the thread connection is adopted, the thread explosion-proof junction surface C is matched with each other, the meshing length of the threads is not less than 8mm, and the number of meshing buckles is not less than 5.
In order to realize the reinforcement of the explosion-proof plug at the cavity opening, the explosion-proof plug can be screwed into the cavity opening and then pressed and fixed by screwing the jacking bolt 11 into a bolt reinforcing hole which is arranged on one side wall of the cavity opening and corresponds to the explosion-proof plug. Further, an external thread is arranged at one end part of the explosion-proof plug facing the center of the explosion-proof cavity 2; another tip forms the end cap, and the end cap diameter is greater than the one end that sets up the screw thread, and when it cooperates with the accent, can also utilize the setting to carry on spacingly at the locating piece of accent inboard suitable position department, promptly: and controlling the screwing depth of the explosion-proof plug into the cavity. Meanwhile, after the positioning block is additionally arranged, the puller bolt 11 screwed into the bolt reinforcing hole is convenient to jack the end cap of the first explosion-proof plug.
In order to realize the isolation arrangement of the circuit board 1, the explosion-proof hanging piece marker lamp further comprises an insulating tube 5. The insulating tube 5 is arranged between the circuit board 1 and the explosion-proof cavity 2 and used for preventing the circuit board 1 from generating electric leakage. The circuit board 1 is coated by the insulating tube 5, the circuit board 1 is separated from the inner side of the explosion-proof cavity 2, and the circuit board 1 in the lamp can be effectively prevented from possibly generating electric arcs, sparks, high temperature and the like to ignite combustible gas and dust in the surrounding environment, so that the lamp meets the explosion-proof requirement.
The number of the openings of the explosion-proof cavity 2 can be one or more. When the explosion-proof cavity 2 is provided with a cavity opening, the external lead and the lead of the circuit board 1 connected to the light source component 4 can be led out from the wire passing hole in the explosion-proof plug. When the external lead and the lead of the circuit board 1 connected to the light source component 4 are separately arranged, in some optional implementation manners, two ends of the explosion-proof cavity 2 can be respectively provided with a cavity opening, and the two cavity openings are more suitable for but not limited to a strip-shaped lamp housing. Correspondingly, the light source part is a light-emitting lamp bar.
Further, in the explosion-proof cavity with two cavities, a first cavity opening at the first end of the explosion-proof cavity 2 is packaged by a first explosion-proof plug 3, a second cavity opening at the second end of the explosion-proof cavity 2 is packaged by a second explosion-proof plug, wherein a first wire passing hole 13 penetrating through the first explosion-proof plug 3 is formed in the first explosion-proof plug 3, and a wire connecting the circuit board 1 and the light source component 4 penetrates through the first wire passing hole 13; a second wire passing hole 14 is formed in the second explosion-proof plug, and an external lead on the circuit board 1 penetrates through the second wire passing hole 14 to the outside.
In this embodiment, when the explosion-proof cavity 2 is provided with two openings, after the first explosion-proof plug is installed in the first opening, because the first explosion-proof plug 3 is embedded in the first opening, the cover body 8 can be additionally arranged outside the first opening, so that the first opening and the outside are further separated. If only one cavity opening (not shown in the figure) is arranged, if the second cavity opening is not arranged, when all the conducting wires are led out through the wire passing hole of the explosion-proof plug in the first cavity opening, after the explosion-proof plug is installed, a cover body 8 can be additionally arranged on the outer side of the first cavity opening, and the explosion-proof cavity is further isolated (relative to the external isolation) by utilizing the matching of the cover body 8 and the lamp shell (at the outer side of the first cavity opening). It should be noted that, by adding the cover body 8, a wire outlet (not shown in the figure) can be adaptively formed on the cover body 8, so as to further lead out the external wire, and the size of the wire outlet can be formed according to the external wire. When the cover body 8 is arranged, the cover body 8 can be fixed by matching the bolt hole at the outermost end side of the cavity opening of the explosion-proof cavity 2 with the puller bolt 11.
In the embodiment, the net volume of the explosion-proof cavity 2 is 40cm3-60cm3In the meantime. Preferably: the net volume of the explosion-proof cavity 2 is 50cm3. Furthermore, in order to ensure the sealing performance of the explosion-proof cavity 2, glue can be applied between the cover body 8 and the explosion-proof plug. The glue amount of the line passing hole punched into the explosion-proof plug is required to meet the requirement that the glue sealing length L of the glue sealing joint surface B is not less than 20 mm. Further, the circuit board 1 can be fixed in the insulating tube 5 by gluing.
In some implementation modes, in order to fix the lamp shell with other structures or walls, an adapter is further arranged on one side of the lamp shell and is arranged on the second explosion-proof plug. The first end of the adapter is connected with the second explosion-proof plug; the second end of the adapter is used for being connected and arranged outside and fixing with other objects. The line passing channel is formed in the adapter and is formed from the first end of the adapter to the side wall of the adapter or the second end of the adapter, and at the moment, the first end of the adapter is communicated with the line passing hole of the second explosion-proof plug through one end of the line passing channel and is communicated to the outside through the other end of the line passing channel.
Preferably: the second explosion-proof plug and the adapter 7 are integrally formed to form an L-shaped structure. At this time, the wire passing hole and the wire passing channel are a continuous channel capable of passing through the wire. Furthermore, an inclined plane matching structure A with a certain inclination angle with the inner side surface of the explosion-proof cavity 2 is formed at the matching position of the second explosion-proof plug and the second cavity of the explosion-proof cavity 2, and the inclined plane matching structure A is locked through a threaded structure. Namely: the second explosion-proof plug is also in threaded connection with the second cavity when being connected with the second cavity, and is similar to the matching mode of the first explosion-proof plug and the first cavity, and the second explosion-proof plug and the second cavity are also matched with each other to form a threaded explosion-proof combined surface. The meshing length of the threads in the thread explosion-proof junction surface is not less than 8mm, and the number of meshing buckles is not less than 5.
Further, a waterproof plug 9 is arranged at one end of the wire passing channel (when the second explosion-proof plug and the adapter are integrated, the channel is a continuous channel capable of passing a wire) communicated to the outside. The waterproof plug 9 is used for performing waterproof treatment on a lead connected to the outside or other components at the outlet of the channel, so that water is prevented from entering the explosion-proof cavity 2 through a gap at the position. In order to reinforce the integrally formed second explosion-proof plug and the adapter 7 at the second cavity opening, the second explosion-proof plug is jacked and fixed after the threaded end part of the explosion-proof plug is screwed into the second cavity opening and a jacking bolt 11 is screwed into a bolt reinforcing hole which is arranged on one side wall of the second cavity opening and corresponds to the second explosion-proof plug.
In some optional modes, when the mounting portion is a clamping groove structure formed by inward depression on one side surface of the lamp housing, a wire passing port 12 is formed on one side, close to the side where the first explosion-proof plug 3 is mounted, of the clamping groove structure. The wire passing port 12 is used for facilitating the connection of the light source component 4 after a lead is led out through the circuit board 1, thereby avoiding the exposure of a wiring and being beautiful and practical.
Further, the display component in the hanging piece marker light comprises a hanging piece 10, the clamping groove structure comprises a first clamping groove 18 and a second clamping groove 19, the first clamping groove 18 is formed at the groove bottom of the inner side of the clamping groove structure, the second clamping groove 19 is formed at the notch of the inner side of the clamping groove structure, the first clamping groove 18 is used for installing the light source part 4, and the second clamping groove 19 is used for installing the hanging piece 10. The groove walls on the two sides of the clamping groove structure extend along the direction from the inner side groove bottom to the groove opening to form a first clamping groove and contract to form a second clamping groove; the circuit board 1 and the light source part 4 are connected by a wire inserted into the first wire passing hole 13. When the hanging piece 10 is fixed, the hanging piece mounting hole penetrating the side edge of the second clamping groove 19, the hanging piece hanging hole 22 on the hanging piece 10 and the hanging piece mounting bolt 23 are matched for locking.
Furthermore, the first clamping groove and the second clamping groove form a T-shaped clamping groove structure which is communicated up and down. At the moment, the light source component in the lamp shell of the hanging piece marker lamp is transversely arranged and inserted in the first clamping groove, and the hanging piece is hung on the second clamping groove.
Because the line passing port 12 is arranged and the clamping groove structure is arranged in an outward opening manner, a gap can be left between the clamping groove structure and the explosion-proof cavity 2 when a lead is led out, and complete sealing is not formed between the inside and the outside of the lamp shell. At this time, in order to ensure the sealing effect of the hanging piece marker light, two ends of the slot structure may be respectively provided with a glue blocking plate 6, and glue is filled between the glue blocking plate 6 and the light source component 4. Correspondingly, the rubber blocking plates 6 at the two ends of the clamping groove structure are also locked by matching with bolts through bolt holes arranged at the side edge of the second clamping groove.
In this embodiment, in order to hang or fix the tag lamp with the hanging piece on a wall or other fixed objects, the lamp housing is provided with an installation guide groove, the installation guide groove is arranged above the lamp housing, the installation foot of the hanging piece 16 is loaded into the installation guide groove 24, the hanging piece 16 is used for hanging and installing the tag lamp with the hanging piece 16, wherein the hanging piece 16 is provided with a hanging hole. When the hanging piece marker lamp is fixed in a wall-hanging mode, a corresponding mounting groove can be formed in one side of the adapter and is connected with a mounting foot of the wall hanging piece 15, wall-hanging fixed mounting of the hanging piece marker lamp is achieved through the wall hanging piece 15, and the wall hanging piece 15 is provided with a wall hanging hole. In some other implementations, a lamp housing sidewall hanger 20 cooperating with the mounting channel 24 may be added above the lamp housing to realize another wall hanging manner.
In this embodiment, by improving the tag light, it is preferable that: the lamp shell is integrally formed and is provided with the explosion-proof cavity 2, and the explosion-proof cavity 2 is matched with the explosion-proof plug, so that electric arcs and sparks generated by electronic elements even if explosion occurs cannot influence the exterior of the lamp; the light source part 4 is installed in the first clamping groove, the assembly is firmer, the light source part 4(LED light source) is sealed by epoxy resin, and after intrinsic safety treatment, electric arcs, sparks and high temperature cannot be generated. The explosion-proof plug is fixed in the explosion-proof cavity 2 through a threaded structure, and is further fixed by a set screw, so that the explosion-proof effect is excellent. The circuit board 1 can be better protected by matching with the additionally arranged insulating tube 5, so that the danger of electric leakage is prevented; the adapter is convenient for a client to wire when in use; the lamp shell is provided with an installation guide groove matched with installation accessories, multiple installation modes such as a hoisting mode and a wall-hanging mode can be realized by the lamp, and product diversification is improved.
Further, glue is filled between the light source part 4 and the glue blocking plate 6; glue is also filled between the explosion-proof plug and the cover body 8, and the glue can prevent water; the thread of the second explosion-proof plug with the adapter, preferably the NPT3/8 thread, can be waterproof and is mechanically waterproof. The design mode of sealing and water proofing ensures that the explosion-proof capability of the hanging piece marker lamp is enhanced and the safety is higher.
In some other alternative marker lights, the hanging piece may be deformed into other markers, and a side-mounted marker may be formed without providing the hanging piece.
Example 3
Based on the lamp housing of embodiment 1 or the tag marker lamp of embodiment 2, there is provided in this embodiment a light-emitting device including: the explosion-proof cavity and the mounting part are arranged in parallel; the circuit board is sealed in the explosion-proof cavity; the luminous body is assembled on the mounting part and is physically isolated from the circuit board through the cavity; the circuit board is electrically coupled with the light emitter via/through the cavity. The light emitting body of this embodiment may be a light source component in the display module in embodiment 1, that is, the light emitting device may be regarded as a pendant marker lamp in embodiment 1 without a pendant, similarly. The circuit board is a driving circuit board, and can be electrically coupled with the luminous body through/via the explosion-proof cavity, for example, the circuit board can provide electric energy for the (electroluminescent) luminous body in a wired connection mode or a wireless mode. Furthermore, the light emitter may also include, for example, a transparent/translucent, single-sided display or double-sided display (flexible) LED display screen, etc., without being limited to a LED light bar.
The explosion-proof cavity comprises at least one cavity opening, and the cavity opening is sealed by matching with a corresponding sealing piece; the circuit board is connected to the luminous body through an internal connecting lead which penetrates through at least one plugging piece; the external lead connected on the circuit board penetrates out of/extends out of the explosion-proof cavity through at least one plugging piece.
When a cavity opening is correspondingly arranged, the blocking piece comprises a first explosion-proof plug, and the cavity opening comprises a first cavity opening; the first explosion-proof plug is connected to the first cavity opening through threads; the first explosion-proof plug is provided with a first wire passing hole and/or a third wire passing hole (not shown in the figure), and the internal connecting wire and the external connecting wire are respectively arranged in the first wire passing hole and the third wire passing hole in a penetrating way; or the internal connecting lead and the external connecting lead are commonly/intensively arranged through the first wire passing hole.
When two cavities are formed in the explosion-proof cavity, the cavities comprise a first opening cavity and a second opening cavity; correspondingly, the plugging piece comprises a first explosion-proof plug and a second explosion-proof plug. The first explosion-proof plug is provided with a first wire passing hole, and the second explosion-proof plug is provided with a second wire passing hole. At this time, the internal connecting wire penetrates through the first wire passing hole, and the external connecting wire penetrates through the second wire passing hole.
The first blocking piece is integrally sunk into the cavity from the first cavity opening, and the explosion-proof cavity further comprises a cover body covering the first cavity opening. After the cover body covers the first cavity opening, the appearance of the explosion-proof cavity is smooth and attractive, the sealing performance is further improved, and the explosion-proof effect is improved.
Furthermore, sealant is filled between the cover body and the first explosion-proof plug.
The second explosion-proof plug comprises an adapter and a waterproof plug; one end of the adapter is connected with the second cavity through a sealing conical pipe thread, and the other end of the adapter is connected with the waterproof plug;
the channel (equivalent to the second wire through hole and the wire through channel) formed inside is arranged on the second explosion-proof plug and the adapter in a penetrating way, and in addition, a wire outlet is also formed on the waterproof plug so that an external lead is communicated to the outside.
A wall hanging piece is fixed on the outer side of the adapter, a hanging hole is formed in the wall hanging piece, and the wall hanging piece can be hung on a wall or other objects through the hanging hole.
The explosion-proof cavity and the mounting part are integrally formed.
The explosion-proof cavity is made of metal materials, and the insulating pipe arranged inside the explosion-proof cavity is sleeved on the circuit board. In addition, in order to realize the insulation between the circuit board and the explosion-proof cavity, a supporting piece (not shown in the figure) made of an insulating material can be arranged to fix the circuit board so as to avoid the problems of electric leakage, spark generation and the like caused by the contact between the circuit board and the explosion-proof cavity.
The explosion-proof cavity is provided with a jacking structure for radially reinforcing a first explosion-proof plug arranged at the first cavity opening. Furthermore, the tightening structure comprises a bolt reinforcing hole formed in the side wall of the first cavity opening and a tightening bolt penetrating through the bolt reinforcing hole.
In this embodiment, the mounting portion includes a card slot structure concavely formed on an outer surface thereof, and the light emitting body is mounted on a bottom of the card slot structure.
The wire passing port at one end of the clamping groove structure, which is close to the first explosion-proof plug, is groove-shaped, and the wire passing port is communicated or opened towards the cover body. The inner connecting lead passes through the first wire passing hole and is electrically connected between the circuit board and the luminous body through the wire passing port.
The clamping groove structure comprises a first clamping groove and a second clamping groove, the first clamping groove is formed at the bottom of the inner side groove of the clamping groove structure, the second clamping groove is formed at the inner side notch of the clamping groove structure, the first clamping groove is used for installing a luminous body (such as a light source part), and the second clamping groove is used for installing a hanging piece or other parts capable of achieving indication display. The groove walls on the two sides of the clamping groove structure extend along the direction from the inner side groove bottom to the groove opening to form a first clamping groove and contract to form a second clamping groove; the circuit board is connected with the light source component through an internal connecting lead which is arranged in the first wire passing hole in a penetrating mode and led out through the wire port.
The wall thickness of the explosion-proof cavity is not less than 2mm, and explosion-proof is achieved. Further, the size of the cross section of the explosion-proof cavity is larger than that of the cross section of the mounting part; the explosion-proof cavity and the mounting part are integrally formed on the lamp housing.
Further optionally, the lamp housing is provided with an installation guide groove, and the installation guide groove is arranged above the lamp housing and is used for being matched with the hoisting piece and/or the side wall hanging piece on the lamp housing to realize the hanging of the marker lamp. The mountable hanging piece can be rectangular, and the hanging piece can be fastened and connected to the lamp shell through bolts penetrating through two side walls of the second clamping groove and the first side edge; the length of the light source part is 80% -120% of the length of the side edge of the hanging piece installed in the second clamping groove, and the length of the explosion-proof cavity is 80% -120% of the length of the side edge of the hanging piece installed in the second clamping groove.
Without loss of generality, in some embodiments of the present application, a structural design in which the flameproof cavity and the mounting portion are integrally formed will be described. However, the variation in which the flameproof cavity and the mounting portion are physically (physically) independently provided also belongs to the disclosure of the present application. In the light-emitting device or the hanging piece marker lamp of some embodiments, the improvement, substitution and change of the explosion-proof cavity and the installation part which are integrally formed are suitable for the explosion-proof cavity and the installation part which are independently/separately arranged.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A lamp housing for a marker lamp, the marker lamp having a circuit board and a light source part electrically connected to the circuit board; the method is characterized in that: the lamp shell is formed with explosion-proof cavity and installation department separately, the explosion-proof cavity is used for sealing the circuit board of marker light, the installation department is used for setting up the display module of hanging piece marker light.
2. The lamp envelope of claim 1, wherein: the explosion-proof cavity and the mounting part are formed by integrally molding the lamp shell.
3. The lamp envelope of claim 2, wherein: the explosion-proof cavity is formed inside the shell; the mounting part is formed outside the housing; and wire passing structures are formed between the explosion-proof cavity and the mounting part and between the explosion-proof cavity and the outside so as to realize the electric connection of the circuit board, the display assembly and an external power supply.
4. The lamp envelope of claim 3, wherein: the lamp shell is of a long strip structure, the explosion-proof cavity and the installation part are arranged in parallel, and preferably, the explosion-proof cavity is of a tubular structure.
5. The lamp envelope of claim 4, wherein:
the mounting part is of a clamping groove structure and is parallel to the explosion-proof cavity and transversely formed outside the shell; preferably, the card slot structure comprises a first card slot and a second card slot; the first clamping groove is formed at the bottom of the inner side groove of the clamping groove structure, and the groove walls at two sides of the first clamping groove extend from the bottom of the inner side groove to the direction of the groove opening to form a second clamping groove with a necking; preferably, the lamp housing further comprises a rubber blocking plate which is matched with the shape of the clamping groove structure and is sealed at two ends of the clamping groove structure; preferably, notches are respectively formed in two ends of the matched side of the sign board and the second clamping groove to be matched with the glue blocking board; preferably, the hanging piece marker light further comprises an indicator plate optically coupled or/and jointed with the light source part, the light source part is arranged in the first clamping groove, one end of the marker plate is arranged on the second clamping groove, and the other end of the marker plate is suspended below the second clamping groove; preferably, bolt fastening components are further arranged on two side walls of the mark plate and the second clamping groove.
6. The lamp envelope of claim 5, wherein: the lamp shell is made of metal materials, the circuit board is further sleeved with an insulating tube, and the circuit board is detachably arranged in the lamp shell in an explosion-proof mode through the insulating tube.
7. The lamp envelope of any one of claims 1 to 6, wherein: the explosion-proof cavity is at least provided with a cavity opening, an explosion-proof plug is arranged on the cavity opening, the explosion-proof plug is provided with the wire passing structure, and the wire passing structure formed by the explosion-proof plug is a wire passing hole; preferably, the explosion-proof plug is in threaded connection with the cavity opening.
8. A marker lamp comprises a circuit board and a display assembly electrically connected with the circuit board, and is characterized by also comprising a lamp housing, wherein an explosion-proof cavity and a mounting part are separately formed on the lamp housing; wherein: the explosion-proof cavity is formed in the lamp housing, and the circuit board is sealed in the explosion-proof cavity; the mounting part is formed outside the housing, and the display assembly is disposed on the mounting part;
the explosion-proof cavity is provided with a first cavity opening, the first cavity opening is hermetically provided with a first explosion-proof plug, a first wire passing hole is formed in the first explosion-proof plug, and the first wire passing hole is used for communicating the inside of the explosion-proof cavity with the outside of the explosion-proof cavity.
9. A pendant-type light emitting device, comprising:
the explosion-proof part and the mounting part; the explosion-proof part is provided with an explosion-proof cavity;
the circuit board is sealed in the explosion-proof cavity;
a light source component mounted on the mounting portion and physically isolated from the circuit board by the explosion-proof chamber;
the circuit board is electrically coupled with the light source component via/through the explosion-proof chamber.
10. A ceiling tile marker light, comprising: the hanging piece type lighting device according to claim 9, wherein the light source part is a surface light source, preferably a light bar, and the explosion-proof chamber and the mounting part are fixedly disposed beside a light emitting surface of the light source part.
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| CN202010637748.8A CN113958899A (en) | 2020-07-05 | 2020-07-05 | Lamp body, light emitting device, marker lamp and hanging piece marker lamp |
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| CN202010637748.8A CN113958899A (en) | 2020-07-05 | 2020-07-05 | Lamp body, light emitting device, marker lamp and hanging piece marker lamp |
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| CN119737596A (en) * | 2025-01-09 | 2025-04-01 | 冠奕达防爆电器有限公司 | A new pure flameproof lamp and its application method |
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