CN110360487B - Flame-proof lamp - Google Patents
Flame-proof lamp Download PDFInfo
- Publication number
- CN110360487B CN110360487B CN201910630665.3A CN201910630665A CN110360487B CN 110360487 B CN110360487 B CN 110360487B CN 201910630665 A CN201910630665 A CN 201910630665A CN 110360487 B CN110360487 B CN 110360487B
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- light source
- shell
- light
- power supply
- power
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- 238000007789 sealing Methods 0.000 claims abstract description 75
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 3
- 238000010892 electric spark Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
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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
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses an explosion-proof lamp, which comprises a power supply shell, a light source shell connected with the power supply shell, a first sealing ring arranged between the power supply shell and the light source shell, at least one light-transmitting cover connected with one side of the light source shell far away from the power supply shell, and a second sealing ring arranged between the light-transmitting cover and the light source shell, wherein the first sealing ring is arranged between the light source shell and the light source shell; the light source shell and the power source shell are enclosed to form at least one power source cavity, and a power source component is arranged in the power source cavity; the light-transmitting cover and the light source shell are enclosed to form a light source cavity, and a light source assembly is arranged in the light source cavity; the light source shell is provided with a wire passing hole, and a power wire penetrating through the wire passing hole is arranged between the power supply component and the light source component. The light source cavity and the power source cavity are mutually independent structures, the light source assembly and the power source assembly in the light source cavity and the power source cavity are electrically connected through the power line, the mutual influence between the power source assembly and the light source assembly at an electrical level is avoided to the greatest extent, the situation that electric arcs, sparks and the like are generated due to the mutual influence between the power source assembly and the light source assembly is further ensured, and the explosion-proof function is realized.
Description
Technical Field
The invention relates to the field of special lighting equipment, in particular to an explosion-proof lamp.
Background
The flameproof lamp is used in dangerous place where flammable gas and dust exist, and can prevent electric arc, spark and high temperature possibly generated inside the lamp from igniting the flammable gas and dust in the surrounding environment, thereby achieving the flameproof requirement. However, the existing flameproof lamp has generally poor flameproof effect, and cannot be safely and stably used in mines with gas and coal dust explosion risks and flammable and explosive gas environments.
Disclosure of Invention
The invention aims to provide an explosion-proof lamp, which aims to solve the problem that the explosion-proof effect of the existing explosion-proof lamp is poor in the prior art.
To achieve the purpose, the invention adopts the following technical scheme:
The explosion-proof lamp comprises a power supply shell, a light source shell connected with the power supply shell, a first sealing ring arranged between the power supply shell and the light source shell, at least one light-transmitting cover connected with one side, far away from the power supply shell, of the light source shell, and a second sealing ring arranged between the light-transmitting cover and the light source shell; the light source shell and the power source shell are enclosed to form at least one power source cavity, and a power source component is arranged in the power source cavity; the light-transmitting cover and the light source shell are enclosed to form a light source cavity, and a light source assembly is arranged in the light source cavity; the light source shell is provided with a wire passing hole, and a power wire penetrating through the wire passing hole is arranged between the power supply assembly and the light source assembly.
Further, the light source shell comprises two light source seats arranged at a preset angle; the two light source seats are provided with light source grooves, the number of the light-transmitting covers is two, and the light-transmitting covers seal the light source grooves and form the light source cavity; the bottom of the light source groove is provided with the wire through hole.
Further, a first sealing groove is formed in the notch of the light source groove, and the second sealing ring is arranged in the first sealing groove and is abutted to the light-transmitting cover.
Further, the light source assembly comprises a light source plate fixedly installed at the bottom of the light source groove and a plurality of luminous elements arranged on the light source plate.
Further, a sealant is arranged between the power line and the inner wall of the wire through hole.
Further, a wire passing boss is formed on one side, close to the power supply shell, of the light source shell in an extending mode; the wire passing hole is formed in the wire passing boss.
Further, the power supply shell is provided with a power supply groove, and the light source shell seals the power supply groove and forms the power supply cavity; the notch of the power supply groove is provided with a second sealing groove, and the first sealing ring is arranged in the second sealing groove and is abutted to the light source shell.
Further, a first screw is arranged between the light source shell and the power source shell, and a first elastic gasket is sleeved on the first screw; the light source shell is fixedly connected with the power source shell through the first screw.
Further, a second screw is arranged between the light-transmitting cover and the light source shell, and a second elastic gasket is sleeved on the second screw; the light-transmitting cover is fixedly connected with the light source shell through the second screw.
Further, the light source shell and the power source shell are metal pieces; the transparent cover comprises a transparent piece, a fixing ring surrounding the transparent piece and a transparent piece pressing plate arranged on the surface of the transparent piece; the fixing ring is a metal piece; and sealant is arranged between the transparent piece and the inner wall of the light source groove.
Further, the ceiling mounting structure is arranged on the power supply shell; the ceiling mounting structure comprises a first mounting piece and a second mounting piece which are respectively arranged on two opposite sides of the power supply shell; the first mounting piece is provided with a waist-shaped hole, and the second mounting piece is provided with a U-shaped notch.
Further, the light source shell is provided with heat dissipation reinforcing ribs.
Further, the light source plate is an aluminum plate, a third screw is arranged between the light source plate and the light source shell, a third elastic gasket is sleeved on the third screw, and the light source plate is fixedly installed on the light source shell through the third screw.
Another object of the present invention is to provide an explosion-proof lamp, which includes a power source housing, a light source housing connected to the power source housing, a first sealing ring disposed between the power source housing and the light source housing, at least one light-transmitting cover connected to a side of the light source housing away from the power source housing, and a second sealing ring disposed between the light-transmitting cover and the light source housing; the light source shell and the power source shell are enclosed to form at least one power source cavity, and a power source component is arranged in the power source cavity; the light-transmitting cover and the light source shell are enclosed to form a light source cavity, and a light source assembly is arranged in the light source cavity; the light source shell is provided with a wire passing hole, and a power wire penetrating through the wire passing hole is arranged between the power supply assembly and the light source assembly; the light source shell comprises two light source seats arranged at a preset angle; the two light source seats are provided with light source grooves, the number of the light-transmitting covers is two, and the light-transmitting covers seal the light source grooves and form the light source cavity; the bottom of the light source groove is provided with the wire passing hole; the notch of the light source groove is provided with a first sealing groove, and the second sealing ring is arranged in the first sealing groove and is abutted against the light-transmitting cover; the power supply shell is provided with a power supply groove, and the power supply groove is sealed by the light source shell to form the power supply cavity; a second sealing groove is formed in the notch of the power supply groove, and the first sealing ring is arranged in the second sealing groove and is abutted against the light source shell; a first screw is arranged between the light source shell and the power source shell, and a first elastic gasket is sleeved on the first screw; the light source shell is fixedly connected with the power source shell through the first screw; a second screw is arranged between the light-transmitting cover and the light source shell, and a second elastic gasket is sleeved on the second screw; the light-transmitting cover is fixedly connected with the light source shell through the second screw.
The invention has the beneficial effects that: the light source cavity and the power source cavity are mutually independent structures, and the light source assembly and the power source assembly in the light source cavity and the power source cavity are electrically connected through the power line, so that the mutual influence between the power source assembly and the light source assembly at an electrical level is avoided to the greatest extent, the mutual influence between the power source assembly and the light source assembly is further ensured to generate electric arcs, sparks and the like, and the explosion-proof function is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of an explosion-proof lamp according to an embodiment of the present invention;
FIG. 2 is a top view of the light source housing of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a partial enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 3 at C;
FIG. 6 is a transverse cross-sectional view of the flameproof lamp of FIG. 1;
FIG. 7 is a partial enlarged view at D in FIG. 6;
FIG. 8 is a schematic view of the power supply housing of FIG. 1;
In the figure:
1. A power source housing; 101. a power supply slot; 2. a light source housing; 201. a wire through hole; 202. a light source base; 2021. a light source groove; 203. a wire passing boss; 204. a heat dissipation reinforcing rib; 3. a first seal ring; 4. a light-transmitting cover; 41. a transparent member; 42. a fixing ring; 43. a transparent member pressing plate; 5. a second seal ring; 6. a power supply assembly; 7. a light source assembly; 701. a light source board; 702. a light emitting member; 8. a first screw; 9. a first elastic pad; 10. a second screw; 11. a third screw; 12. a third elastic pad; 13. a first mounting member; 131. a waist-shaped hole; 14. a second mounting member; 141. a U-shaped notch; 1000. a power supply cavity; 2000. a light source cavity.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The implementation of the present invention will be described in detail below with reference to specific embodiments.
As shown in fig. 1-8, an embodiment of the present invention provides an explosion-proof lamp, which includes a power source housing 1, a light source housing 2 connected to the power source housing 1, a first sealing ring 3 disposed between the power source housing 1 and the light source housing 2, at least one light-transmitting cover 4 connected to a side of the light source housing 2 away from the power source housing 1, and a second sealing ring 5 disposed between the light-transmitting cover 4 and the light source housing 2; the light source shell 2 and the power source shell 1 are enclosed to form at least one power source cavity 1000, and a power source component 6 is arranged in the power source cavity 1000; the light-transmitting cover 4 and the light source shell 2 are enclosed to form a light source cavity 2000, and a light source assembly 7 is arranged in the light source cavity 2000; the light source shell 2 is provided with a wire passing hole 201, and a power wire penetrating through the wire passing hole 201 is arranged between the power supply component 6 and the light source component 7.
In the embodiment of the invention, the power supply shell 1, the first sealing ring 3 and the light source shell 2 form a closed power supply cavity 1000, and the power supply assembly 6 is arranged in the power supply cavity 1000, so that an arc, spark and high temperature possibly generated by the power supply assembly 6 in the power supply cavity 1000 ignite combustible gas and dust in the surrounding environment, and the flame-proof function is realized.
The light-transmitting cover 4, the second sealing ring 5 and the light source shell 2 form a closed light source cavity 2000, and the light source assembly 7 is arranged in the light source cavity 2000, so that electric arcs, sparks and high temperature possibly generated by the light source assembly 7 in the light source cavity 2000 ignite combustible gas and dust in the surrounding environment, and the explosion-proof function is realized.
And the light source cavity 2000 and the power source cavity 1000 are mutually independent structures, and the light source assembly 7 and the power source assembly 6 in the light source cavity 2000 and the power source cavity 1000 are electrically connected through the power line, that is, the mutual influence between the power source assembly 6 and the light source assembly 7 at the electrical level is avoided to the greatest extent, so that the mutual influence between the power source assembly 6 and the light source assembly 7 is further ensured to generate the conditions of electric arc, spark and the like, and the explosion suppression function is realized.
Further, referring to fig. 1 and 3, as another embodiment of the flameproof lamp provided by the present invention, the light source housing 2 includes two light source bases 202 disposed at a predetermined angle; the two light source seats 202 are provided with two light source grooves 2021, the number of the light-transmitting covers 4 is two, and the light-transmitting covers 4 seal the light source grooves 2021 and form a light source cavity 2000; the bottom of the light source groove 2021 is provided with a via hole 201. The light source housing 2 comprises two light source seats 202 arranged at a preset angle; the two light source bases 202 are provided with the light source grooves 2021, so that the flameproof lamp can uniformly emit light to two different horizontal planes, and various use requirements are met. Meanwhile, the two light source cavities 2000 on the light source shell 2 are also mutually independent structures, and the light source assemblies 7 in the two light source cavities 2000 are mutually independent, namely, the mutual influence of the two light source cavities on the electrical aspect is avoided, so that the explosion-proof function is further improved.
Further, referring to fig. 3, as another specific embodiment of the flameproof lamp provided by the present invention, a notch of the light source groove 2021 is provided with a first sealing groove, the second sealing ring 5 is disposed in the first sealing groove and abuts against the light-transmitting cover 4, and the first sealing groove can realize stable installation of the second sealing ring 5, so as to avoid the deviation of the position of the second sealing ring 5.
Further, referring to fig. 3, as another embodiment of the flameproof lamp provided by the present invention, the light source assembly 7 includes a light source plate 701 fixedly mounted at the bottom of the light source groove 2021, and a plurality of light emitting members 702 disposed on the light source plate 701. The light emitting members 702 may be LED beads, and the mounting plate may realize stable mounting of the plurality of light emitting members 702.
Further, referring to fig. 3 and 5, as another embodiment of the flameproof lamp provided by the present invention, a sealant is disposed between the power line and the inner wall of the via 201. And thus to block the only communication between the power supply chamber 1000 and the light source chamber 2000, so as to ensure that no mutual electrical influence occurs between the power supply assembly 6 and the light source assembly 7.
Further, referring to fig. 3, as another specific embodiment of the flameproof lamp provided by the present invention, a wire passing boss 203 is formed on one side of the light source housing 2, which is close to the power source housing 1, in an extending manner; the wire passing hole 201 is opened at the wire passing boss 203. Therefore, the length of the via hole 201 is long enough, the sealing effect of the sealant on the power line and the inner wall of the via hole 201 is better, and the conduction of the via hole 201 caused by the failure of the sealant can be effectively avoided in use, so that the power cavity 1000 and the light source cavity 2000 are further ensured not to be communicated, the mutual electrical influence between the power component 6 and the light source component 7 is ensured not to occur, and the stability in use is improved.
Further, referring to fig. 8, as another embodiment of the flameproof lamp provided by the present invention, a power supply housing 1 is provided with a power supply groove 101, and a light source housing 2 encloses the power supply groove 101 and forms a power supply cavity 1000; the notch of the power supply groove 101 is provided with a second sealing groove, and the first sealing ring 3 is arranged in the second sealing groove and is abutted against the light source shell 2. The second seal groove realizes the stability of the installation of the first seal ring 3 to ensure the sealing effect of the power supply chamber 1000.
Further, referring to fig. 6 to 7, as another specific embodiment of the flameproof lamp provided by the present invention, a first screw 8 (which may be an inner hexagonal pyramid end fastening screw) is disposed between the light source housing 2 and the power source housing 1, and a first elastic spacer 9 is sleeved on the first screw 8; the light source housing 2 is fixedly connected with the power source housing 1 through a first screw 8. The first elastic gasket 9 can promote the compactness of the first screw 8 with light source shell 2 and power source shell 1 fixed connection for light source shell 2 and power source shell 1 can realize closely pressing first sealing washer 3 and hold, guarantee the sealed effect of first sealing washer 3 both sides, guarantee the leakproofness of power cavity 1000.
Further, referring to fig. 2-3, as another specific embodiment of the flameproof lamp provided by the present invention, a second screw 10 (may be an inner hexagonal pyramid end fastening screw) is disposed between the light-transmitting cover 4 and the light source housing 2, and a second elastic spacer is sleeved on the second screw 10; the light-transmitting cover 4 is fixedly connected with the light source housing 2 by a second screw 10. The second elastic gasket can promote the tightness of the second screw 10 with the fixed connection of the light-transmitting cover 4 and the light source shell 2, so that the light-transmitting cover 4 and the light source shell 2 tightly press the second sealing ring 5, the sealing effect of the two sides of the second sealing ring 5 is ensured, and the tightness of the light source cavity 2000 is ensured.
Further, referring to fig. 6, as another specific embodiment of the flameproof lamp provided by the present invention, both the light source housing 2 and the power source housing 1 are metal members; the light-transmitting cover 4 includes a transparent member 41, a fixing ring 42 surrounding the transparent member 41, and a transparent member pressing plate 43 provided on a surface of the transparent member 41; the fixing ring 42 is a metal piece; a sealant is provided between the transparent member 41 and the inner wall of the light source groove 2021 (to cooperate with the second sealing ring 5 to achieve the waterproof effect of the light source cavity 2000). The light source shell 2 and the power source shell 1 are both metal pieces, and the fixing ring 42 is a metal piece, so that the explosion-proof lamp has better heat dissipation effect and better strength.
Further, referring to fig. 8, as another specific embodiment of the flameproof lamp provided by the present invention, the flameproof lamp further includes a ceiling mounting structure provided on the power source housing 1; the ceiling mounting structure comprises a first mounting piece 13 and a second mounting piece 14 which are respectively arranged on two opposite sides of the power supply shell 1; the first mounting member 13 is provided with a waist-shaped hole 131, and the second mounting member 14 is provided with a U-shaped notch 141. The ceiling mounting structure is used for rapidly mounting the explosion-proof lamp; when the explosion-proof lamp is installed, the waist-shaped holes 131 are sleeved on one installation nail, then the explosion-proof lamp is moved to enable the U-shaped notch 141 to be inserted into the other installation nail, and then the installation nail is locked, so that the explosion-proof lamp can be installed rapidly and accurately.
Further, referring to fig. 1, as another embodiment of the flameproof lamp provided by the present invention, a heat dissipation stiffener 204 is disposed on the light source housing 2. The heat dissipation reinforcing ribs 204 can improve the overall heat dissipation effect and the overall strength of the flameproof lamp.
Further, referring to fig. 3, as another embodiment of the flameproof lamp provided by the present invention, the light source plate 701 is an aluminum plate, a third screw 11 is disposed between the light source plate 701 and the light source housing 2, a third elastic spacer 12 is sleeved on the third screw 11, and the light source plate 701 is fixedly mounted on the light source housing 2 through the third screw 11. The third elastic pad 12 can promote the stability of the third screw 11 for mounting the light source plate 701 on the light source housing 2, so as to avoid loosening of the light source plate 701 during use.
As shown in fig. 1-8, the embodiment of the invention further provides an explosion-proof lamp, which comprises a power supply shell 1, a light source shell 2 connected with the power supply shell 1, a first sealing ring 3 arranged between the power supply shell 1 and the light source shell 2, at least one light-transmitting cover 4 connected with one side of the light source shell 2 far away from the power supply shell 1, and a second sealing ring 5 arranged between the light-transmitting cover 4 and the light source shell 2; the light source shell 2 and the power source shell 1 are enclosed to form at least one power source cavity 1000, and a power source component 6 is arranged in the power source cavity 1000; the light-transmitting cover 4 and the light source shell 2 are enclosed to form a light source cavity 2000, and a light source assembly 7 is arranged in the light source cavity 2000; the light source shell 2 is provided with a wire passing hole 201, and a power wire penetrating through the wire passing hole 201 is arranged between the power supply component 6 and the light source component 7; the light source housing 2 comprises two light source seats 202 arranged at a preset angle; the two light source seats 202 are provided with two light source grooves 2021, the number of the light-transmitting covers 4 is two, and the light-transmitting covers 4 seal the light source grooves 2021 and form a light source cavity 2000; the bottom of the light source groove 2021 is provided with a via hole 201. The light source housing 2 comprises two light source seats 202 arranged at a preset angle; the two light source seats 202 are provided with the light source grooves 2021, so that the explosion-proof lamp can uniformly emit light to two different horizontal planes to meet various use requirements; the notch of the light source groove 2021 is provided with a first sealing groove, and the second sealing ring 5 is arranged in the first sealing groove and is abutted against the light-transmitting cover 4; the power supply shell 1 is provided with a power supply groove 101, and the power supply shell 2 seals the power supply groove 101 and forms a power supply cavity 1000; the notch of the power supply groove 101 is provided with a second sealing groove, and the first sealing ring 3 is arranged in the second sealing groove and is abutted against the light source shell 2; a first screw 8 (which can be an inner hexagonal cone end set screw) is arranged between the light source shell 2 and the power source shell 1, and a first elastic gasket 9 is sleeved on the first screw 8; the light source shell 2 is fixedly connected with the power source shell 1 through a first screw 8; a second screw 10 (which can be an inner hexagonal cone end set screw) is arranged between the light-transmitting cover 4 and the light source shell 2, and a second elastic gasket is sleeved on the second screw 10; the light-transmitting cover 4 is fixedly connected with the light source housing 2 by a second screw 10.
In this embodiment, the power source housing 1, the first sealing ring 3 and the light source housing 2 form a closed power source cavity 1000, and the power source assembly 6 is installed in the power source cavity 1000, so that an arc, a spark and high temperature possibly generated by the power source assembly 6 in the power source cavity 1000 ignite combustible gas and dust in the surrounding environment, thereby realizing the explosion-proof function.
The light-transmitting cover 4, the second sealing ring 5 and the light source shell 2 form a closed light source cavity 2000, and the light source assembly 7 is arranged in the light source cavity 2000, so that electric arcs, sparks and high temperature possibly generated by the light source assembly 7 in the light source cavity 2000 ignite combustible gas and dust in the surrounding environment, and the explosion-proof function is realized.
And the light source cavity 2000 and the power source cavity 1000 are mutually independent structures, and the light source assembly 7 and the power source assembly 6 in the light source cavity 2000 and the power source cavity 1000 are electrically connected through the power line, that is, the mutual influence between the power source assembly 6 and the light source assembly 7 at the electrical level is avoided to the greatest extent, so that the mutual influence between the power source assembly 6 and the light source assembly 7 is further ensured to generate the conditions of electric arc, spark and the like, and the explosion suppression function is realized.
The light source housing 2 comprises two light source seats 202 arranged at a preset angle; the two light source bases 202 are provided with the light source grooves 2021, so that the flameproof lamp can uniformly emit light to two different horizontal planes, and various use requirements are met. Meanwhile, the two light source cavities 2000 on the light source shell 2 are also mutually independent structures, and the light source assemblies 7 in the two light source cavities 2000 are mutually independent, namely, the mutual influence of the two light source cavities on the electrical aspect is avoided, so that the explosion-proof function is further improved.
The first sealing groove can realize stable installation of the second sealing ring 5, and offset of the position of the second sealing ring 5 is avoided. The second seal groove realizes the stability of the installation of the first seal ring 3 to ensure the sealing effect of the power supply chamber 1000.
The first elastic gasket 9 can promote the compactness of the first screw 8 with light source shell 2 and power source shell 1 fixed connection for light source shell 2 and power source shell 1 can realize closely pressing first sealing washer 3 and hold, guarantee the sealed effect of first sealing washer 3 both sides, guarantee the leakproofness of power cavity 1000. The second elastic gasket can promote the tightness of the second screw 10 with the fixed connection of the light-transmitting cover 4 and the light source shell 2, so that the light-transmitting cover 4 and the light source shell 2 tightly press the second sealing ring 5, the sealing effect of the two sides of the second sealing ring 5 is ensured, and the tightness of the light source cavity 2000 is ensured.
It is understood that the arrangement in the other specific embodiment may be an implementation that is further improved on the basis of other examples.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (8)
1. The flameproof lamp is characterized by comprising a power supply shell, a light source shell connected with the power supply shell, a first sealing ring arranged between the power supply shell and the light source shell, at least one light-transmitting cover connected with one side, far away from the power supply shell, of the light source shell, and a second sealing ring arranged between the light-transmitting cover and the light source shell, wherein a heat dissipation reinforcing rib is arranged on the light source shell; the light source shell and the power source shell are enclosed to form at least one power source cavity, and a power source component is arranged in the power source cavity; the light-transmitting cover and the light source shell are enclosed to form a light source cavity, and a light source assembly is arranged in the light source cavity; the light source shell is provided with a wire passing hole, and a power wire penetrating through the wire passing hole is arranged between the power supply assembly and the light source assembly;
sealant is arranged between the power line and the inner wall of the wire passing hole;
A wire passing boss is formed on one side, close to the power supply shell, of the light source shell in an extending mode; the wire passing hole is formed in the wire passing boss;
The explosion-proof lamp further comprises a first mounting piece and a second mounting piece which are respectively arranged on two opposite sides of the power supply shell, the first mounting piece is provided with a waist-shaped hole, and the second mounting piece is provided with a U-shaped notch.
2. The flameproof lamp according to claim 1, wherein the light source housing comprises two light source seats arranged at a predetermined angle; the two light source seats are provided with light source grooves, the number of the light-transmitting covers is two, and the light-transmitting covers seal the light source grooves and form the light source cavity; the bottom of the light source groove is provided with the wire through hole.
3. The explosion-proof lamp according to claim 2, wherein a first sealing groove is formed in the notch of the light source groove, and the second sealing ring is arranged in the first sealing groove and is abutted against the light-transmitting cover.
4. The explosion-proof lamp according to claim 2, wherein the light source assembly comprises a light source plate fixedly mounted at the bottom of the light source groove and a plurality of luminous elements arranged on the light source plate.
5. The explosion-proof lamp according to claim 1, wherein the power supply housing is provided with a power supply groove, and the light source housing closes the power supply groove and forms the power supply cavity; the notch of the power supply groove is provided with a second sealing groove, and the first sealing ring is arranged in the second sealing groove and is abutted to the light source shell.
6. The explosion-proof lamp according to claim 1, wherein a first screw is arranged between the light source shell and the power source shell, and a first elastic gasket is sleeved on the first screw; the light source shell is fixedly connected with the power source shell through the first screw.
7. The explosion-proof lamp according to claim 1, wherein a second screw is arranged between the light-transmitting cover and the light source shell, and a second elastic gasket is sleeved on the second screw; the light-transmitting cover is fixedly connected with the light source shell through the second screw.
8. The flameproof lamp is characterized by comprising a power supply shell, a light source shell connected with the power supply shell, a first sealing ring arranged between the power supply shell and the light source shell, at least one light-transmitting cover connected with one side, far away from the power supply shell, of the light source shell, and a second sealing ring arranged between the light-transmitting cover and the light source shell, wherein a heat dissipation reinforcing rib is arranged on the light source shell; the light source shell and the power source shell are enclosed to form at least one power source cavity, and a power source component is arranged in the power source cavity; the light-transmitting cover and the light source shell are enclosed to form a light source cavity, and a light source assembly is arranged in the light source cavity; the light source shell is provided with a wire passing hole, and a power wire penetrating through the wire passing hole is arranged between the power supply assembly and the light source assembly; the light source shell comprises two light source seats arranged at a preset angle; the two light source seats are provided with light source grooves, the number of the light-transmitting covers is two, and the light-transmitting covers seal the light source grooves and form the light source cavity; the bottom of the light source groove is provided with the wire passing hole; the notch of the light source groove is provided with a first sealing groove, and the second sealing ring is arranged in the first sealing groove and is abutted against the light-transmitting cover; the power supply shell is provided with a power supply groove, and the power supply groove is sealed by the light source shell to form the power supply cavity; a second sealing groove is formed in the notch of the power supply groove, and the first sealing ring is arranged in the second sealing groove and is abutted against the light source shell; a first screw is arranged between the light source shell and the power source shell, and a first elastic gasket is sleeved on the first screw; the light source shell is fixedly connected with the power source shell through the first screw; a second screw is arranged between the light-transmitting cover and the light source shell, and a second elastic gasket is sleeved on the second screw; the light-transmitting cover is fixedly connected with the light source shell through the second screw; the explosion-proof lamp further comprises a first mounting piece and a second mounting piece which are respectively arranged on two opposite sides of the power supply shell, the first mounting piece is provided with a waist-shaped hole, and the second mounting piece is provided with a U-shaped notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630665.3A CN110360487B (en) | 2019-07-12 | 2019-07-12 | Flame-proof lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630665.3A CN110360487B (en) | 2019-07-12 | 2019-07-12 | Flame-proof lamp |
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| CN110360487A CN110360487A (en) | 2019-10-22 |
| CN110360487B true CN110360487B (en) | 2024-07-30 |
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| CN201910630665.3A Active CN110360487B (en) | 2019-07-12 | 2019-07-12 | Flame-proof lamp |
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| CN110360487A (en) | 2019-10-22 |
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