CN111396781A - L ED explosion-proof illuminating lamp - Google Patents
L ED explosion-proof illuminating lamp Download PDFInfo
- Publication number
- CN111396781A CN111396781A CN202010222402.1A CN202010222402A CN111396781A CN 111396781 A CN111396781 A CN 111396781A CN 202010222402 A CN202010222402 A CN 202010222402A CN 111396781 A CN111396781 A CN 111396781A
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- Prior art keywords
- explosion
- radiating
- heat dissipation
- lamp
- illuminating lamp
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention relates to the technical field of explosion-proof lamps, and discloses an L ED explosion-proof illuminating lamp which comprises a lamp shell and a light-emitting component which is arranged in the lamp shell and used for emitting light, wherein a plurality of radiating fins distributed along the circumference are arranged on the lamp shell, radiating areas are formed between every two adjacent radiating fins and the lamp shell, an installation plate is fixedly connected to the lamp shell, a movable plate is rotatably connected to the installation plate through a rotating shaft, a radiating motor is arranged on the movable plate, a radiating fan is connected to an output shaft of the radiating motor, a driving piece used for driving the movable plate to rotate is arranged on the installation plate, an annular air inlet pipe is connected to the lamp shell, the number of air blowing pipes which is the same as that of the radiating areas is distributed on the air inlet pipe along the circumferential direction, one ends of the air blowing pipes, far away from the air inlet pipe, are respectively positioned above the radiating areas, and a cleaning piece used.
Description
Technical Field
The invention relates to the technical field of explosion-proof lamps, in particular to an L ED explosion-proof illuminating lamp.
Background
The explosion-proof lamp is a lamp which is used in dangerous places where combustible gas and dust exist, can prevent electric arcs, sparks and high temperature which are possibly generated in the lamp from igniting the combustible gas and dust in the surrounding environment, and accordingly meets the explosion-proof requirement, and is also called as an explosion-proof lamp and an explosion-proof illuminating lamp.
In the prior art, chinese patent No. CN203478133U discloses an explosion-proof lamp, which includes a reflector, a lamp holder and a plurality of planar light source modules, wherein the lamp holder is disposed in the reflector and has a first illumination surface and a plurality of second illumination surfaces disposed around the first illumination surface, and each of the second illumination surfaces is disposed obliquely outward relative to the first illumination surface. One of the planar light source modules is arranged on the first illumination surface, the other planar light source modules are respectively arranged on one of the second illumination surfaces, and each planar light source module is respectively covered with an explosion-proof glass. The outer side of the reflecting cover is provided with a plurality of radiating fins which are arranged around the junction box in a radial shape.
The above prior art solutions have the following drawbacks: the explosion-proof lamp only radiates heat through the heat radiating fins on the reflecting cover, namely, heat generated by the operation of the planar light source module is conducted to the heat radiating fins, and then the heat is conducted outwards through the contact of the heat radiating fins and air, but the air around the heat radiating fins has slow flowing speed and low heat radiating efficiency and needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an L ED explosion-proof illuminating lamp which has the effect of high heat dissipation efficiency.
The L ED explosion-proof illuminating lamp comprises a lamp shell and a light-emitting assembly which is arranged in the lamp shell and used for emitting light, wherein a plurality of radiating fins distributed along the circumference are arranged on the lamp shell, radiating areas are formed between every two adjacent radiating fins and the lamp shell, an installing plate is fixedly connected to the lamp shell, a movable plate is rotatably connected to the installing plate through a rotating shaft, a radiating motor is installed on the movable plate, a radiating fan is connected to an output shaft of the radiating motor, a driving piece used for driving the movable plate to rotate is arranged on the installing plate, an annular air inlet pipe is connected to the lamp shell, the number of air blowing pipes which is the same as that of the radiating areas is distributed on the air inlet pipe along the circumference direction, one ends of the air blowing pipes, far away from the air inlet pipe, are respectively positioned above the radiating areas, and a cleaning piece used for cleaning dust is arranged in each radiating area.
By adopting the technical scheme, the heat generated by the light-emitting component during working can be exchanged with the external air through the heat dissipation fins, so that the heat dissipation effect is achieved; the radiating motor can drive the radiating fan to rotate during working, so that the air flow speed around the lamp housing is increased, the heat exchange efficiency of the inner side and the outer side of the lamp housing is increased, and the radiating effect is good. The driving piece can drive the movable plate and the cooling fan to rotate relative to the lamp shell, the wind action range of the cooling fan is expanded, the cooling efficiency is further improved, and the normal work of the light-emitting component is guaranteed. When dust adheres to the radiating fins, air is pumped into the air inlet pipe through the air pump, and the air can be blown to each radiating area through the air blowing pipe, so that the dust on the surfaces of the radiating fins is blown off, and the radiating effect of the radiating fins is prevented from being influenced by the large amount of dust adhered to the radiating fins; the cleaning element can be used to assist the user in cleaning the heat dissipating area of the remaining dust.
The invention is further configured to: the driving piece comprises a driving frame fixed above the mounting plate, a servo motor fixed on the driving frame, a driving gear fixedly connected with an output shaft of the servo motor and a driven gear meshed with the driving gear, and the driven gear is fixedly connected with the rotating shaft.
By adopting the technical scheme, when the output shaft of the servo motor drives the driving gear to rotate, the driven gear rotates along with the driving gear and drives the rotating shaft to move synchronously, and then the movable plate drives the cooling fan to rotate relative to the lamp shell. When the light-emitting assembly works, people can periodically rotate the output shaft of the servo motor in the forward and reverse directions, so that the movable plate periodically swings back and forth along with the output shaft, the action range of the cooling fan is large, the cooling effect is good, manual driving is not needed during swinging, and the operation is convenient.
The invention is further configured to: and a balance block is fixed at one end of the movable plate, which is far away from the radiating fan, the distance between the balance block and the rotating shaft is equal to the distance between the radiating fan and the rotating shaft, and the mass of the balance block is equal to the sum of the masses of the radiating fan and the radiating motor.
Through adopting above-mentioned technical scheme, the balancing piece has improved the stability of radiator fan and heat dissipation motor when rotating along with the fly leaf, avoids the fly leaf to topple over to one side because the atress is uneven.
The invention is further configured to: the air blowing pipe is a spiral hose and is distributed at equal intervals along the circumferential direction of the air inlet pipe.
By adopting the technical scheme, the air output from the air blowing pipe is spirally discharged outside, so that the washing effect on dust on the surfaces of the radiating fins is good; the plurality of air blowing pipes are distributed at equal intervals along the circumferential direction of the air inlet pipe, and the wind power output by the air blowing pipes on the circumferential direction of the lamp shell is relatively equal.
The invention is further configured to: the sweeping part comprises a moving block and cleaning brushes, wherein the moving block is in sliding connection with the bottom wall of the heat dissipation area, the cleaning brushes are fixed on two opposite side walls of the moving block, the upper end of the moving block exceeds the heat dissipation area, one side, opposite to each other, of each cleaning brush is abutted against the heat dissipation fins close to the cleaning brushes, and the lower ends of the cleaning brushes are abutted against the bottom wall of the heat dissipation area.
Through adopting above-mentioned technical scheme, when cleaning the dust of radiating area lateral wall, remove the movable block to the one side of keeping away from the intake pipe for two cleaning brushes clean rather than adjacent heat radiation fin respectively, the bottom of cleaning brush cleans the diapire of radiating area, compare in the mode easy and simple to handle, the cleanliness height that handheld rag stretched into radiating area clearance.
The invention is further configured to: and a pull ring is fixed on the part of the upper end of the moving block, which exceeds the heat dissipation area, and the pull ring is positioned on one side of the moving block, which is far away from the lamp shell.
Through adopting above-mentioned technical scheme, the pull ring can supply people's finger to stretch into for people's finger is difficult for skidding when promoting the movable block, has improved clean efficiency.
The invention is further configured to: the lamp body is arranged in the lamp body, the bottom wall of the heat dissipation area is provided with a dovetail groove extending towards one side far away from the lamp body, the lower end of the moving block is integrally formed with a dovetail block, and the dovetail block is connected in the dovetail groove in a sliding mode.
By adopting the technical scheme, when the moving block moves relative to the lamp shell, the dovetail block moves relative to the dovetail groove along with the moving block, and the dovetail block and the dovetail groove are matched to play a guiding role, so that the moving block cannot drive the cleaning brush to deviate to one side; the moving block can be limited from being separated from the sweeping area, and the stability of the moving block and the cleaning brush is improved.
The invention is further configured to: a through hole is formed in the middle of the moving block, a connecting rod capable of rotating relative to the through hole penetrates through the through hole, and a positioning block is fixed at one end, close to the air inlet pipe, of the connecting rod; the side wall of the heat dissipation area, which is close to the air inlet pipe, is provided with a positioning groove for the positioning block to extend into, one end, which is far away from the opening, of the inner wall of the positioning groove is provided with an arc-shaped groove, and the depth of the arc-shaped groove is equal to the thickness of the positioning block and can be used for the positioning block to rotate in.
Through adopting above-mentioned technical scheme, when not using the cleaning brush, earlier remove the movable block to the one side that is close to the intake pipe for the locating piece embedding constant head tank, then utilize the connecting rod to drive the locating piece and rotate, make the locating piece change over to the arc wall in, the inner wall that the arc wall is close to the constant head tank this moment can restrict the locating piece and shift out, thereby avoids the cleaning brush to remove at will.
The invention is further configured to: the heat dissipation structure is characterized in that the moving block is provided with a fastening hole located right above the through hole, the side wall of the heat dissipation area close to the air inlet pipe is provided with a fastening screw hole located right above the positioning groove, and a fastening bolt in threaded connection with the fastening screw hole penetrates through the fastening hole.
Through adopting above-mentioned technical scheme, when the locating piece changes over to the arc wall and keeps away from the inner wall butt of constant head tank with the arc wall, fastening hole aligns with the fastening screw, people can pass fastening bolt behind the fastening hole with fastening screw threaded connection to make the position of locating piece fixed, further improved the stability of locating piece, movable block and cleaning brush.
The invention is further configured to: the end, far away from the locating piece, of the connecting rod is fixed with a stop disc, the diameter of the stop disc is larger than the inner diameter of the through hole, a rotation groove is formed in the end face, far away from the connecting rod, of the stop disc, the extending direction of the rotation groove is parallel to the length direction of the locating piece, and a stop hole for a fastening bolt to penetrate through is formed in the stop disc.
By adopting the technical scheme, the stop disc can limit the separation of the connecting rod and the moving block, and when the moving block is fixed or the positioning of the moving block is released, on one hand, the rotating groove can allow a rod piece matched with the rotating groove to extend into the rotating groove so as to drive the stop disc to rotate, so that the connecting rod and the positioning block are driven to rotate, and the operation is more convenient compared with a mode of extending in by bare hands; on the other hand can be used to indicate the position state of locating piece, makes things convenient for people to judge whether fastening hole aligns with the fastening screw.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the heat dissipation motor drives the heat dissipation fan to rotate, the flow rate of air around the lamp housing and the heat exchange rate of the inner side and the outer side of the lamp housing are increased, and the heat dissipation efficiency is high; the output shaft of the servo motor can drive the driving gear to rotate, so that the driven gear drives the rotating shaft and the movable plate to rotate, the wind action range of the cooling fan is expanded, and the cooling effect is good;
2. the air in the air inlet pipe can be spirally blown into each heat dissipation area along the air blowing pipe, so that dust is not easy to accumulate on the heat dissipation fins, and the heat dissipation effect of the heat dissipation fins is not influenced; when moving relative to the heat dissipation area, the moving block can drive the cleaning brush to move and brush the side wall of the heat dissipation area, so that the cleaning effect is good;
3. when the cleaning brush is not used, the positioning block firstly extends into the positioning groove, then the rod piece matched with the rotating groove extends into the stop groove, then the rod piece is used for driving the stop disc to drive the positioning block to rotate into the arc-shaped groove, and then the fastening bolt penetrates through the stop hole and the fastening hole and then is in threaded connection with the fastening screw hole, so that the cleaning piece is fixed.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a partially exploded view of the driving member and the heat dissipation fan in this embodiment;
FIG. 3 is a schematic view of the cleaning member in this embodiment in a partially exploded state when separated from the lamp housing;
FIG. 4 is a partial cross-sectional view highlighting the arcuate slot in this embodiment.
Reference numerals: 1. a lamp housing; 11. mounting a plate; 12. a rotating shaft; 13. a movable plate; 131. a heat dissipation motor; 132. a heat radiation fan; 133. a counterbalance; 14. a protective cover; 141. a base; 142. a cover plate; 143. a vent hole; 15. an air inlet pipe; 151. an air blowing pipe; 2. heat dissipation fins; 3. a heat dissipation area; 31. a dovetail groove; 32. positioning a groove; 33. an arc-shaped slot; 34. fastening screw holes; 4. a cleaning member; 41. a moving block; 411. a dovetail block; 412. a pull ring; 413. a through hole; 414. a connecting rod; 415. positioning blocks; 416. a stopper disk; 417. a fastening hole; 418. a stop hole; 419. a rotating groove; 42. a cleaning brush; 5. a drive member; 51. a driving frame; 52. a servo motor; 53. a driving gear; 54. a driven gear; 6. and fastening the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an L ED explosion-proof light, as shown in fig. 1 and fig. 2, including a lamp housing 1 and a light-emitting component (not shown in the figure) installed in the lamp housing 1 and used for emitting light, a plurality of heat dissipation fins 2 are equidistantly distributed on the lamp housing 1 along the circumferential direction, a heat dissipation area 3 is formed between two adjacent heat dissipation fins 2 and the lamp housing 1, and a group of cleaning pieces 4 is arranged in each heat dissipation area 3 and used for cleaning dust on the side wall of the heat dissipation area 3.
As shown in fig. 1 and 2, an annular mounting plate 11 is fixed on a side wall of the lamp housing 1, two ends of the mounting plate 11 are rotatably connected with a movable plate 13 through a rotating shaft 12, the rotating shaft 12 is fixedly connected with the movable plate 13 and rotatably connected with the mounting plate 11, and the movable plate 13 is arc-shaped and an end surface close to the middle of the lamp housing 1 is a concave arc surface. The heat dissipation motor 131 is installed at one end of the movable plate 13, the output shaft of the heat dissipation motor 131 faces the middle of the lamp housing 1 and penetrates through the movable plate 13 to be fixed with the heat dissipation fan 132, and when the heat dissipation fan 132 rotates under the action of the heat dissipation motor 131, the flow rate of air around the lamp housing 1 can be increased, so that the heat dissipation efficiency of the lamp housing 1 is improved.
As shown in fig. 1 and 2, a protective cover 14 is connected to an end of the movable plate 13 close to the heat dissipation motor 131 and located outside the heat dissipation fan 132, and the protective cover 14 is made of light plastic or the like, and the mass of the protective cover has little influence on the stability of the movable plate 13. The protective cover 14 includes a base 141 and a cover 142 detachably connected by bolts or fasteners, a gap for the heat dissipation fan 132 to extend into is formed between the base 141 and the cover 142, and a plurality of ventilation holes 143 are formed on the surfaces of the base 141 and the cover 142. The protective cover 14 plays a role of blocking the heat dissipation fan 132, so that hands are prevented from being accidentally scratched by the heat dissipation fan 132, and the potential safety hazard is small.
As shown in fig. 1 and 2, two sets of driving members 5 are connected to the upper side of the mounting plate 11, and the two sets of driving members 5 are respectively close to the two movable plates 13 and can drive the movable plates 13 to rotate. The driving member 5 includes a driving frame 51 fixed above the mounting plate 11, a servo motor 52 mounted on the driving frame 51, a driving gear 53 fixedly connected to an output shaft of the servo motor 52, and a driven gear 54 fixedly connected to the rotating shaft 12, the driving gear 53 and the driven gear 54 are engaged with each other, and the output shaft of the servo motor 52 faces downward. When the output shaft of the servo motor 52 rotates, the driving gear 53 is driven to rotate, so that the driven gear 54 drives the rotating shaft 12 and the movable plate 13 to rotate, thereby expanding the range of the heat dissipation fan 132 and achieving a good heat dissipation effect.
As shown in fig. 1 and fig. 2, a balance weight 133 is fixed at an end of the movable plate 13 away from the heat dissipation fan 132, a distance between the balance weight 133 and the rotating shaft 12 is equal to a distance between the heat dissipation fan 132 and the rotating shaft 12, and a mass of the balance weight 133 is equal to a sum of masses of the heat dissipation fan 132 and the heat dissipation motor 131. The balance weight 133 plays a role of balancing the movable plate 13, and improves stability of the movable plate 13 and the cooling fan 132.
As shown in fig. 1, an annular air inlet tube 15 is fixed on the lamp housing 1, one end of the air inlet tube 15 is connected to an air pump (not shown) through a pipe, and the air inlet tube 15 is located between the mounting plate 11 and the heat dissipating fins 2. A plurality of air blowing pipes 151 are equidistantly distributed on the air inlet pipe 15 along the circumferential direction, the air blowing pipes 151 are spiral hoses at the tail parts and are communicated with the air inlet pipe 15, the number of the air blowing pipes 151 is equal to that of the heat dissipation areas 3, and one end, far away from the air inlet pipe 15, of each air blowing pipe 151 is located right above each heat dissipation area 3. The air pumped into the air inlet pipe 15 under the action of the air pump can blow to the heat dissipation fins 2 on both sides of the heat dissipation area 3 along the air blowing pipe 151, so that the dust on the surfaces of the heat dissipation fins 2 is blown off, and the heat dissipation effect of the heat dissipation fins 2 is prevented from being influenced by the dust accumulated on the heat dissipation fins 2.
As shown in fig. 1 and 3, the cleaning element 4 includes a moving block 41 and cleaning brushes 42 respectively fixed on two opposite side walls of the moving block 41, one ends of the two cleaning brushes 42 opposite to each other are respectively abutted against the heat dissipation fins 2 close thereto, and the bottoms of the cleaning brushes 42 are abutted against the bottom wall of the heat dissipation area 3. A dovetail block 411 is integrally formed at the lower end of the moving block 41, a dovetail groove 31 extending to one side far away from the air inlet pipe 15 is formed in the bottom wall of the heat dissipation area 3, and the dovetail block 411 is slidably connected in the dovetail groove 31. When the moving block 41 moves in the heat dissipation area 3, the dovetail block 411 moves along the dovetail groove 31 and plays a role in guiding and limiting, and the two cleaning brushes 42 can respectively clean the heat dissipation fins 2 and the bottom wall of the heat dissipation area 3 which are close to the dovetail groove, so that dust is prevented from adhering to the side wall of the heat dissipation area 3, and the heat dissipation effect of the heat dissipation fins 2 is guaranteed.
As shown in fig. 1 and 3, a pull ring 412 is fixed to a portion of the upper end of the moving block 41 that exceeds the heat dissipation area 3 and exceeds the heat dissipation area 3, and the pull ring 412 is located on a side of the moving block 41 away from the air intake pipe 15. The pull ring 412 allows a human hand to extend into the moving block 41 when the human hand pushes the moving block 41, so that the human hand is prevented from slipping relative to the moving block 41.
As shown in fig. 1 and 3, a through hole 413 is formed in the middle of the moving block 41, a connecting rod 414 is inserted into the through hole 413, a positioning block 415 is fixed to one end of the connecting rod 414 close to the air inlet pipe 15, a stop disc 416 is fixed to one end of the connecting rod 414 far from the air inlet pipe 15, the positioning block 415 is in a rectangular parallelepiped shape and has a length larger than the inner diameter of the through hole 413, and the stop disc 416 is in a disc shape and has a diameter larger than the inner diameter of the.
As shown in fig. 3 and 4, a positioning groove 32 is disposed on a side wall of the heat dissipation area 3 close to the air inlet pipe 15, the positioning groove 32 is used for the positioning block 415 to extend into, and a cross-sectional area of the positioning groove 32 is slightly larger than that of the positioning block 415, an arc-shaped groove 33 is disposed at an end of an inner wall of the positioning groove 32 far from an opening of the inner wall, a length direction of the arc-shaped groove 33 far from the side wall of the positioning groove 32 is perpendicular to a length direction of the side wall of the positioning groove 32, a depth of the arc-shaped groove 33 is equal to a thickness. When the cleaning brush 42 is not used, the positioning block 415 is aligned with the positioning groove 32 through the stopping disc 416, then the positioning block 415 is inserted into the positioning groove 32, and then the stopping disc 416 is rotated to rotate the positioning block 415 into the arc-shaped groove 33, so that the moving block 41 and the cleaning brush 42 are limited to move freely.
As shown in fig. 3 and 4, the moving block 41 is provided with a fastening hole 417 located right above the through hole 413, the stopper disc 416 is provided with a stopper hole 418 having an inner diameter equal to that of the fastening hole 417, the side wall of the heat dissipation area 3 near the air intake pipe 15 is provided with a fastening screw hole 34, the fastening screw hole 34 is located right above the positioning groove 32, and a fastening bolt 6 threadedly connected to the fastening screw hole 34 is inserted into the fastening hole 417. When the positioning block 415 extends into the arc-shaped groove 33 and abuts against the inner wall of the arc-shaped groove 33 far away from the positioning groove 32, the fastening hole 417, the stopping hole 418 and the fastening screw hole 34 are aligned, and people can enable the fastening bolt 6 to penetrate through the stopping hole 418 and the fastening hole 417 and then be in threaded connection with the fastening screw hole 34, so that the positioning block 415 is fixed, and the stability of the cleaning piece 4 is improved.
As shown in fig. 1 and 3, a rotation groove 419 is formed in an end surface of the stopper disc 416 away from the link 414, and an extending direction of the rotation groove 419 is parallel to a longitudinal direction of the positioning block 415. The rotating groove 419 can not only allow a rod matched with the rotating groove 419 to extend into the rotating groove to drive the stop disc 416 to rotate, but also drive the connecting rod 414 and the positioning block 415 to rotate, so that a user does not need to extend a hand into the heat dissipation area 3, and the operation is convenient; but also has the effect of facilitating people to observe the position state of the positioning block 415.
The working principle of the embodiment is as follows: when the light emitting assembly generates heat during operation, the heat dissipation motor 131 can drive the heat dissipation fan 132 to rotate, so that the flow speed of the air around the lamp housing 1 and the heat exchange speed of the inner side and the outer side of the lamp housing 1 are increased, the heat dissipation efficiency is high, and the effect is good; the output shaft of the servo motor 52 can drive the driving gear 53 to rotate, so that the driven gear 54 drives the movable plate 13 and the heat dissipation motor 131 to rotate, the wind action range of the heat dissipation fan 132 is expanded, and the heat dissipation efficiency is further improved. When dust adheres to the heat dissipation fins 2, air is pumped into the air inlet pipe 15 by the air pump, then air is blown into the heat dissipation areas 3 by the air blowing pipes 151, and then the pull ring 412 is used for pushing the moving block 41 and the cleaning brush 42 to move, so that the cleaning brush 42 brushes off the dust on the surfaces of the heat dissipation fins 2, and the heat dissipation effect of the heat dissipation fins 2 is prevented from being influenced by the large amount of dust adhered to the heat dissipation fins 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (10)
1. An L ED explosion-proof illuminating lamp comprises a lamp shell (1) and a light-emitting assembly arranged in the lamp shell (1) and used for emitting light, wherein a plurality of radiating fins (2) distributed along the circumference are arranged on the lamp shell (1), and radiating areas (3) are formed between every two adjacent radiating fins (2) and the lamp shell (1), and the LED explosion-proof illuminating lamp is characterized in that an installation plate (11) is fixedly connected onto the lamp shell (1), a movable plate (13) is rotatably connected onto the installation plate (11) through a rotating shaft (12), a radiating motor (131) is installed on the movable plate (13), an output shaft of the radiating motor (131) is connected with a radiating fan (132), a driving piece (5) used for driving the movable plate (13) to rotate is arranged on the installation plate (11), an annular air inlet pipe (15) with one end connected with an air pump is connected onto the lamp shell (1), the number of the air blowing pipes (151) is the same as that of the radiating areas (3) is distributed along the circumferential direction, and one end, far away from the air inlet pipe (15), is respectively located above each radiating area (3), and a dust cleaning piece (.
2. An L ED explosion-proof illuminating lamp as claimed in claim 1, wherein the driving member (5) comprises a driving frame (51) fixed above the mounting plate (11), a servo motor (52) fixed on the driving frame (51), a driving gear (53) fixedly connected with the output shaft of the servo motor (52), and a driven gear (54) engaged with the driving gear (53), the driven gear (54) is fixedly connected with the rotating shaft (12).
3. An L ED explosion-proof illuminating lamp as claimed in claim 2, wherein a balance weight (133) is fixed to the end of the movable plate (13) far from the heat dissipating fan (132), the distance between the balance weight (133) and the rotating shaft (12) is equal to the distance between the heat dissipating fan (132) and the rotating shaft (12), and the mass of the balance weight (133) is equal to the sum of the mass of the heat dissipating fan (132) and the heat dissipating motor (131).
4. The L ED explosion-proof illuminating lamp as claimed in claim 1, wherein the blowing pipe (151) is a spiral hose and is equidistantly distributed along the circumference of the air inlet pipe (15).
5. The L ED explosion-proof illuminating lamp as claimed in claim 1, wherein the sweeping member (4) comprises a moving block (41) slidably connected to the bottom wall of the heat dissipating area (3) and cleaning brushes (42) fixed to two opposite side walls of the moving block (41), the upper end of the moving block (41) exceeds the heat dissipating area (3), the opposite sides of the two cleaning brushes (42) are respectively abutted to the adjacent heat dissipating fins (2), and the lower ends of the cleaning brushes (42) are abutted to the bottom wall of the heat dissipating area (3).
6. An L ED explosion-proof illuminating lamp as claimed in claim 5, wherein the upper end of the moving block (41) beyond the heat dissipation area (3) is fixed with a pull ring (412), and the pull ring (412) is located on the side of the moving block (41) far away from the lamp housing (1).
7. An L ED explosion-proof illuminating lamp according to claim 5, characterized in that the bottom wall of the heat dissipation region (3) is provided with a dovetail groove (31) extending to the side far away from the lamp housing (1), the lower end of the moving block (41) is integrally formed with a dovetail block (411), and the dovetail block (411) is slidably connected in the dovetail groove (31).
8. The L ED explosion-proof illuminating lamp as claimed in claim 5, wherein a through hole (413) is formed in the middle of the moving block (41), a connecting rod (414) capable of rotating relative to the through hole (413) penetrates through the through hole, a positioning block (415) is fixed at one end of the connecting rod (414) close to the air inlet pipe (15), a positioning groove (32) for the positioning block (415) to extend into is formed in the side wall of the heat dissipation area (3) close to the air inlet pipe (15), an arc-shaped groove (33) is formed in one end, far away from the opening, of the inner wall of the positioning groove (32), and the depth of the arc-shaped groove (33) is equal to the thickness of the positioning block (415) and is capable of allowing the positioning block.
9. An L ED explosion-proof illuminating lamp according to claim 8, characterized in that the moving block (41) is provided with a fastening hole (417) directly above the through hole (413), the side wall of the heat dissipation area (3) close to the air inlet pipe (15) is provided with a fastening screw hole (34) directly above the positioning groove (32), and the fastening hole (417) is internally provided with a fastening bolt (6) in threaded connection with the fastening screw hole (34).
10. An L ED explosion-proof illuminating lamp as claimed in claim 9, wherein a stopper disc (416) with a diameter larger than the inner diameter of the through hole (413) is fixed at one end of the connecting rod (414) far away from the positioning block (415), a rotation groove (419) is formed in the end surface of the stopper disc (416) far away from the connecting rod (414), the extending direction of the rotation groove (419) is parallel to the length direction of the positioning block (415), and a stopper hole (418) for a fastening bolt (6) to penetrate through is formed in the stopper disc (416).
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| CN202010222402.1A CN111396781B (en) | 2020-03-26 | 2020-03-26 | LED explosion-proof illuminating lamp |
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| CN202010222402.1A CN111396781B (en) | 2020-03-26 | 2020-03-26 | LED explosion-proof illuminating lamp |
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| CN111396781B CN111396781B (en) | 2022-03-25 |
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|---|---|
| CN111396781B (en) | 2022-03-25 |
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Denomination of invention: An LED explosion-proof lighting lamp Effective date of registration: 20230908 Granted publication date: 20220325 Pledgee: Bank of China Limited Yueqing Branch Pledgor: RECEN ELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980055887 |
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