CN117310435A - Explosion-proof detection device and method for LED lamp - Google Patents
Explosion-proof detection device and method for LED lamp Download PDFInfo
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- CN117310435A CN117310435A CN202311606599.9A CN202311606599A CN117310435A CN 117310435 A CN117310435 A CN 117310435A CN 202311606599 A CN202311606599 A CN 202311606599A CN 117310435 A CN117310435 A CN 117310435A
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 16
- 239000012634 fragment Substances 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 241001465382 Physalis alkekengi Species 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 12
- 238000007906 compression Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000009172 bursting Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses an explosion-proof detection device and method for an LED lamp, and relates to the technical field of explosion-proof detection of lamps. According to the invention, the disconnecting mechanism is arranged, when the LED lamp bursts, the press roller loses shielding of the LED lamp, the position pushing spring pushes the roller connecting frame to move towards the center of the positioning threaded sleeve, the roller connecting frame pushes the straight tooth rotating ring to move upwards through the inclined pushing frame and the outer connecting ring, so that the movable frame moves upwards along with the shrinkage of the telescopic rod, and the movable contact piece is separated from the second contact piece, so that the LED lamp is subjected to power-off treatment, and the LED lamp electrified after the burst is prevented from generating sparks due to the loss of protection of the shell, thereby improving the use safety of equipment.
Description
Technical Field
The invention relates to the technical field of lamp explosion-proof detection, in particular to an LED lamp explosion-proof detection device and method.
Background
The LED lamp is a common lamp type, after production is completed, workers are required to put the lamp into the test box, the running conditions of the LED lamp under different environments are simulated through the change of the internal temperature of the test box, and accordingly explosion-proof detection is conducted on the LED lamp, and the LED lamp tube is guaranteed to meet market specifications.
At present, when detecting the lamp, if the lamp is unqualified, the lamp bursts, and at the moment, fragments of the lamp not only can splash everywhere to have certain danger, but also can cause huge potential safety hazards if the rapid electrode breaking is not performed on the lamp, so that the detection effect is affected.
Disclosure of Invention
The invention aims at: in order to solve the problem of high potential safety hazard in lamp detection, the explosion-proof detection device and method for the LED lamp are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an explosion-proof detection device of LED lamps and lanterns, includes the test box, the controller is installed at the top of test box, the one end of test box is provided with the chamber door, the mounting plate is installed through the bolt to the inner wall top of test box, the bottom of mounting plate is fixed with the locating plate, the lamp stand is installed to the bottom of locating plate, the bottom mounting of lamp stand has the location thread bush, the bottom of location thread bush is connected with the LED lamp, be provided with disconnected link between locating plate and the lamp stand, the top of locating plate is connected with the go-between through the bearing rotation, the top of go-between distributes and has three screens frame, and the centre of a circle equidistance of three screens frame is distributed along the go-between, the bottom of screens frame is provided with the pressure that is used for pressing the detection to the LED lamp and links the test piece, the bottom of screens frame is connected with the compression roller through the pressure and links the test piece, the outside of screens frame is provided with the position shielding protection piece that is located the LED lamp below.
As still further aspects of the invention: the pressure is even the testing piece and is close to the locating shaft of location screw thread cover one side including being fixed in the screens frame bottom, the cover is equipped with and is linked the roller frame on the locating shaft, and the compression roller passes through the bearing rotation and is connected in one side that is close to the location screw thread cover in linking the roller frame, the both sides of linking the roller frame are provided with the push away the position spring that links to each other with the screens frame, the lead-through hole that runs through the screens frame has been seted up to screens frame bottom one side, the one end that the roller frame was kept away from to the roller is fixed with the taper pin, the locking hole has been seted up on the taper pin, the screens frame is kept away from one side of linking the roller frame and is fixed with the screens frame, the inboard grafting of screens frame has L type side link rod, the bottom of L type side link rod is provided with the lock link spring that links to each other with the screens frame inner wall, the bottom of L type side link rod is fixed with the screens pin that extends to the inside of locking hole, the top of locating plate is provided with the first motor that is located the screens frame inboard, the output of first motor is connected with rectangular straight-bar, the bottom of locating plate is fixed with the telescopic link by the telescopic link, the outside of stand is provided with the telescopic link, the outside of telescopic link with the telescopic link.
As still further aspects of the invention: the thickness of the long straight gear is equal to the movable distance of the straight tooth rotating ring, and the thickness of the straight tooth rotating ring is smaller than that of the long straight gear.
As still further aspects of the invention: the bottom of screens round pin is provided with the ball of being connected through the bearing with the screens round pin, the one end that the taper pin kept away from the roller frame is the taper structure.
As still further aspects of the invention: the disconnection mechanism comprises a clamping sleeve fixed at the top of the lamp holder, the clamping sleeve is positioned below the positioning plate, a movable connecting shaft positioned below the positioning plate is inserted at the top of the clamping sleeve, a movable frame connected with a telescopic rod is fixed at the top of the movable connecting shaft, a movable contact piece positioned at the inner side of the clamping sleeve is installed at the bottom of the movable connecting shaft, a connecting rod penetrating through the inner side of the lamp holder is arranged at the top of the lamp holder, a first contact piece positioned at the inner side of the lamp holder is installed at the bottom of the connecting rod, and a second contact piece positioned at the inner side of the clamping sleeve is arranged at the top of the connecting rod.
As still further aspects of the invention: the first contact piece is electrically connected with the second contact piece through a lead, and the movable contact piece is electrically connected with an external power supply through a lead.
As still further aspects of the invention: the shielding protection piece is including being fixed in the side that the locating plate one side was kept away from to the screens frame and linking the board, the side links the top that the board is located the screens frame, and the second motor is installed at the top that one of them side links the board, the output of second motor is connected with the lead screw, the cover is equipped with on the lead screw and links the position cover piece, the outer wall that links the position cover piece is fixed with the protection casing that is located the LED lamp below, the bottom of protection casing is provided with the bottom plate, the outer wall of protection casing is fixed with two sleeve pipes, and two sleeve pipes are distributed along the centre of a circle equidistance of protection casing with linking the position cover piece, the inboard grafting of sleeve pipe has spacing guide arm, and the top of spacing guide arm links to each other with the screens frame through the side and links the board.
As still further aspects of the invention: the bottom plate is detachably connected with the protective cover through threads, and the diameter of the inner wall of the protective cover is larger than the farthest distance from the clamping frame to the center of the positioning thread sleeve.
As still further aspects of the invention: the inner side of the connecting sleeve block is provided with a threaded hole matched with the screw rod, and a through hole matched with the limit guide rod is arranged in the sleeve.
The invention also discloses an explosion-proof detection method of the LED lamp, which adopts the explosion-proof detection device of the LED lamp and comprises the following steps:
s1: when the explosion-proof detection is carried out on the LED lamp, the press-connection test piece is operated, and the press roller is far away from the circle center of the positioning thread sleeve through the operation of the press-connection test piece;
s2: then the LED lamp is screwed into the positioning threaded sleeve, so that the top of the positioning threaded sleeve extends to the inner side of the lamp holder, and the LED lamp is electrically connected with a power supply on equipment through the disconnection mechanism;
s3: then shielding and protecting the periphery of the LED lamp by operating the shielding and protecting piece, pressing the LED lamp by the pressing roller under the action of the pressing and connecting test piece, shielding and collecting fragments generated by burst of the LED lamp if the LED lamp bursts by the shielding and protecting piece, and moving the pressing roller towards the circle center of the positioning thread sleeve under the action of the pressing and connecting test piece due to the fact that shielding is lost;
s4: at the moment, the disconnecting mechanism is operated by pressing the test piece, so that the LED lamp is in a power-off state, and the junction of the LED lamp and the positioning threaded sleeve is taken down by opening the box door after detection is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up pressure and even test piece, hide the position guard, through pressing the straight tooth swivel, make the roller movable frame move towards keeping away from the centre of a circle of location thread bush, in this process screens round pin detains in the locking hole, thereby come to carry out spacing to the toper round pin, afterwards screw the LED lamp into the lamp stand through the location thread bush, make screens round pin and locking hole separation through hiding the operation of position guard, make the extrusion position of compression roller to the LED lamp change through starting first motor, the compression range of compression roller to the LED lamp has been improved, simultaneously prevent through making the change of position between compression roller and the LED lamp that the compression roller contacts with the LED lamp for a long time and influence the radiating effect of LED lamp, so can press down the detection to the LED lamp under the circumstances that does not influence the normal heat dissipation of LED lamp, the accuracy of detection has been improved;
2. through setting up disconnected link, when the LED lamp bursts, the compression roller just can lose the shielding of LED lamp, push away a position spring at this moment and promote the roller movable frame and move towards the centre of a circle of location thread bush, the roller movable frame promotes straight tooth swivel through pushing away the frame to one side, outer linked ring at this moment, so as to make the movable frame move up along with the shrink of telescopic link, at this moment movable contact is separated with the second contact, so as to carry out outage to the LED lamp, prevent the LED lamp that the LED lamp is circular telegram after bursting from producing the spark because of losing the protection of shell, so as to improve the security that equipment was used;
3. through setting up and hiding position guard piece, screw into the lamp stand with the LED lamp and start the second motor through the controller after, the second motor drives the lead screw and rotates when operating, even position cover piece is moved along the lead screw when rotating, the protection casing is moved to the outside of screens frame under the drive of even position cover piece this moment, thereby shelter from the LED lamp, when the protection casing moves to the highest department, the protection casing promotes the level department of L type side connecting rod through the top, screens round pin and the hole separation of locking this moment, so alright make the compression roller carry out certain extrusion to the LED lamp, prevent to shelter from the protection to the LED lamp when the compression roller is because of applying the extrusion force to the LED lamp and cause the damage of LED lamp, the protection casing can shelter from the piece that the LED lamp bursts when the LED lamp bursts for the piece falls to the top of bottom plate under the effect of self gravity, so alright prevent that the piece from splashing and cause the damage of equipment, concentrate the recovery to the piece simultaneously, the security of equipment use has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of the connection of the mounting plate and the protective cover of the present invention;
fig. 3 is a schematic diagram of the connection of the mounting bracket plate and the LED lamp according to the present invention;
FIG. 4 is a schematic diagram of the connection of the connecting sleeve block and the wire rod according to the present invention;
FIG. 5 is a schematic diagram of a press-fit test piece according to the present invention;
FIG. 6 is a schematic diagram illustrating the connection between the clamping frame and the roller-connecting frame according to the present invention;
FIG. 7 is a schematic diagram of the connection of the telescopic rod and the lamp holder of the present invention;
fig. 8 is a schematic view of the internal structure of the ferrule of the present invention.
In the figure: 1. a test chamber; 2. a door; 3. a controller; 401. mounting a frame plate; 402. a clamping frame; 403. a limit guide rod; 404. a sleeve; 405. a protective cover; 406. a bottom plate; 407. an LED lamp; 408. a connecting ring; 409. a first motor; 410. a long straight gear; 411. a second motor; 412. a screw rod; 413. a connecting sleeve block; 414. a side connecting plate; 415. a positioning plate; 416. a telescopic rod; 417. an outer link; 418. a lamp holder; 419. positioning a threaded sleeve; 420. a press roller; 421. an inner link ring; 422. a clamping frame; 423. an inclined pushing frame; 424. a straight tooth swivel; 425. a roller linkage frame; 426. positioning a shaft; 427. a push spring; 428. a taper pin; 429. an L-shaped side connecting rod; 430. communicating the communicating hole; 431. a capture hole; 432. a clamping pin; 433. a lock connection spring; 434. a movable frame; 435. a cutting sleeve; 436. a connecting rod; 437. a first contact; 438. a second contact; 439. a movable connecting shaft; 440. and a movable contact.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1-8, in an embodiment of the invention, an explosion-proof detection device for an LED lamp includes a test box 1, a controller 3 is installed at the top of the test box 1, a box door 2 is provided at one end of the test box 1, a mounting frame plate 401 is installed above the inner wall of the test box 1 through bolts, a positioning plate 415 is fixed at the bottom of the mounting frame plate 401, a lamp holder 418 is installed at the bottom of the positioning plate 415, a positioning threaded sleeve 419 is fixed at the bottom of the lamp holder 418, an LED lamp 407 is connected at the bottom of the positioning threaded sleeve 419, a disconnection mechanism is provided between the positioning plate 415 and the lamp holder 418, a connecting ring 408 is rotatably connected at the top of the positioning plate 415 through a bearing, three clamping frames 402 are distributed at the top of the connecting ring 408 at equal intervals along the center of the connecting ring 408, a press-connection test piece for press-detecting the LED lamp 407 is provided at the bottom of the clamping frames 402, a press-connection test piece for press-detecting the LED lamp 407 is connected with a press roller 420 through the press-connection test piece at the bottom of the clamping frame 402, and a shielding piece located below the LED lamp 407 is provided at the outer side of the clamping frame 402.
In this embodiment: when the explosion-proof detection is carried out on the LED lamp 407, the press-connection test piece is operated firstly, the press roller 420 is far away from the center of the positioning threaded sleeve 419 through the operation of the press-connection test piece, then the LED lamp 407 is screwed into the positioning threaded sleeve 419, the top of the positioning threaded sleeve 419 extends to the inner side of the lamp holder 418, the LED lamp 407 is electrically connected with a power supply on equipment through the disconnection mechanism, then the periphery of the LED lamp 407 is shielded and protected through the operation shielding protection piece, meanwhile, the press roller 420 presses the LED lamp 407 under the action of the press-connection test piece, if the explosion shielding protection piece of the LED lamp 407 occurs, fragments generated by explosion of the LED lamp 407 are shielded and collected, meanwhile, the press roller 420 moves towards the center of the positioning threaded sleeve under the action of the press-connection test piece because of losing shielding, and at the moment, the operation of the press-connection test piece is carried out through the operation of the press-connection test piece, so that the LED lamp 407 is in a power-off state, and after the detection is completed, the junction of the LED lamp 407 and the positioning threaded sleeve is taken down by opening the box door 2.
Referring to fig. 1, 2, 3, 5, 6 and 7, the press-connection testing member includes a positioning shaft 426 fixed at one side of the bottom of the clamping frame 402 near the positioning screw sleeve 419, a roller-connection moving frame 425 is sleeved on the positioning shaft 426, the pressing roller 420 is rotatably connected to one side of the roller-connection moving frame 425 near the positioning screw sleeve 419 through a bearing, two sides of the roller-connection moving frame 425 are provided with a pushing spring 427 connected with the clamping frame 402, one side of the bottom of the clamping frame 402 is provided with a communicating hole 430 penetrating the clamping frame 402, one end of the roller-connection moving frame 425 far from the pressing roller 420 is fixed with a taper pin 428, a locking hole 431 is provided on the taper pin 428, one side of the clamping frame 402 far from the roller-connection moving frame 425 is fixed with a clamping frame 422, the inside grafting of screens frame 422 has L type side connecting rod 429, the bottom of L type side connecting rod 429 is provided with the lock link spring 433 that links to each other with screens frame 422 inner wall, the bottom mounting of L type side connecting rod 429 has the screens round pin 432 that extends to the inside of locking hole 431, the top of locating plate 415 is provided with the first motor 409 that is located screens frame 402 inboard, the output of first motor 409 is connected with rectangular spur gear 410, the bottom of locating plate 415 is fixed with telescopic link 416 that is provided with side by side with lamp stand 418, the bottom mounting of telescopic link 416 has the interior ring 421 that is located the lamp stand 418 outside, the outside of interior ring 421 is connected with outer link 417 through the bearing rotation, the outside of outer link 417 is provided with the oblique pushing frame 423 that links to each other with roller frame 425, the top of outer link 417 is fixed with the straight tooth swivel 424 that meshes with rectangular spur gear 410.
In this embodiment: before the LED lamp 407 is screwed into the lamp socket 418, the straight-tooth swivel 424 is pressed first, when the straight-tooth swivel 424 moves down, the outer link 417 presses the inclined pushing frame 423 to enable the roller moving frame 425 to move towards the center away from the positioning screw sleeve 419, along with the movement of the roller moving frame 425, the tapered pin 428 presses the bottom of the locking pin 432 upwards by being inserted into the through hole 430, at this time, the locking spring 433 is in a contracted state, when the locking hole 431 is aligned with the bottom end of the locking pin 432, the locking pin 432 is buckled into the locking hole 431 under the action of the locking spring 433, so as to limit the tapered pin 428, then the LED lamp 407 is screwed into the lamp socket 418 through the positioning screw sleeve 419, then the blocking protection piece is operated, the L-shaped side connecting rod 429 moves upwards through the operation of the blocking protection piece, meanwhile, the clamping pin 432 is separated from the locking hole 431, at the moment, the pressing spring 427 enables the pressing roller 420 to press the LED lamp 407 with a certain force through the elastic restoring force of the pressing spring, the first motor 409 is started, the long straight gear 410 drives the clamping frame 402 to rotate through the straight tooth rotating ring 424 through the operation of the first motor 409, so that the pressing position of the pressing roller 420 to the LED lamp 407 is changed, the pressing range of the pressing roller 420 to the LED lamp 407 is improved, meanwhile, the long-time contact between the pressing roller 420 and the LED lamp 407 is prevented through the change of the position between the pressing roller 420 and the LED lamp 407, the heat dissipation effect of the LED lamp 407 is affected, and therefore the pressing detection of the LED lamp 407 can be carried out under the condition that the normal heat dissipation of the LED lamp 407 is not affected, and the detection accuracy is improved.
Referring to fig. 3 and 5, the thickness of the long spur gear 410 is equal to the movable distance of the spur gear 424, and the thickness of the spur gear 424 is smaller than the thickness of the long spur gear 410.
In this embodiment: by arranging the structure, the long straight gear 410 still keeps meshed with the straight gear rotating ring 424 when the straight gear rotating ring 424 moves upwards or downwards, so that the accuracy of the transmission connection of the long straight gear 410 and the straight gear rotating ring 424 is improved.
Referring to fig. 6, a ball rotatably connected to the latch 432 via a bearing is disposed at the bottom of the latch 432, and one end of the tapered pin 428, which is far away from the roller frame 425, is in a tapered structure.
In this embodiment: by arranging this structure, the tapered pin 428 is pressed against the detent pin 432 by the inclined surface when moving away from the center of the positioning screw sleeve 419, so that the friction between the detent pin 432 and the tapered pin 428 is reduced, and the service lives of the detent pin 432 and the tapered pin 428 are prolonged.
Referring to fig. 1, 2, 3, 7 and 8, the disconnection mechanism includes a clamping sleeve 435 fixed on the top of a lamp holder 418, the clamping sleeve 435 is located below a positioning plate 415, a movable connecting shaft 439 located below the positioning plate 415 is inserted into the top of the clamping sleeve 435, a movable frame 434 connected with a telescopic rod 416 is fixed on the top of the movable connecting shaft 439, a movable contact piece 440 located inside the clamping sleeve 435 is installed at the bottom of the movable connecting shaft 439, a connecting rod 436 penetrating through the inside of the lamp holder 418 is arranged on the top of the lamp holder 418, a first contact piece 437 located inside the lamp holder 418 is installed at the bottom of the connecting rod 436, and a second contact piece 438 located inside the clamping sleeve 435 is arranged at the top of the connecting rod 436.
In this embodiment: when the straight-tooth swivel 424 is pressed, the movable frame 434 drives the movable connecting shaft 439 to move downwards along with the extension of the telescopic rod 416, when the straight-tooth swivel 424 moves to the lowest position, the movable contact piece 440 is in contact with the second contact piece 438, at the moment, the first contact piece 437 is connected with an external power supply through the second contact piece 438 and the movable contact piece 440, when the LED lamp 407 is screwed into the lamp holder 418, the top of the LED lamp 407 is connected with the first contact piece 437, when the external power supply is turned on, the power supply supplies power to the LED lamp 407 through the movable contact piece 440, the second contact piece 438 and the first contact piece 437, so that the LED lamp 407 is lightened, when the LED lamp 407 bursts, the pressing roller 420 loses shielding of the LED lamp, at the moment, the push-in spring 427 pushes the movable connecting frame 425 to move towards the center of the positioning threaded sleeve 419, at the moment, the movable connecting frame 425 pushes the straight-tooth swivel 424 to move upwards through the inclined push frame 423 and the outer connecting ring 417, so that the movable frame 434 moves upwards along with the shrinkage of the telescopic rod 416, the contact piece 440 is powered on, and the LED lamp 407 is separated from the second contact piece 440, so that the LED lamp 407 is prevented from being powered off, and the safety of the LED lamp 407 is prevented from being broken, and the LED lamp 407 is broken.
Referring to fig. 8, the first contact pad 437 is electrically connected to the second contact pad 438 via a conductive wire, and the movable contact pad 440 is electrically connected to an external power source via a conductive wire.
In this embodiment: by arranging this structure, the LED lamp 407 inserted into the lamp holder 418 is powered on when the second contact piece 438 contacts with the movable contact piece 440, and similarly, the LED lamp 407 inserted into the lamp holder 418 is powered off when the second contact piece 438 is separated from the movable contact piece 440, so as to control the operation of the LED lamp 407.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the position shielding protection piece comprises a side connecting plate 414 fixed on one side of the clamping frame 402 away from the positioning plate 415, the side connecting plate 414 is located above the clamping frame 422, a second motor 411 is installed at the top of one side connecting plate 414, the output end of the second motor 411 is connected with a screw rod 412, a connecting sleeve block 413 is sleeved on the screw rod 412, a protective cover 405 located below the LED lamp 407 is fixed on the outer wall of the connecting sleeve block 413, a bottom plate 406 is arranged at the bottom of the protective cover 405, two sleeves 404 are fixed on the outer wall of the protective cover 405, the two sleeves 404 and the connecting sleeve block 413 are distributed at equal distances along the center of the protective cover 405, a limiting guide rod 403 is inserted into the inner side of the sleeve 404, and the top end of the limiting guide rod 403 is connected with the clamping frame 402 through the side connecting plate 414.
In this embodiment: the LED lamp 407 is screwed into the lamp holder 418 and then the second motor 411 is started through the controller 3, the screw rod 412 is driven to rotate when the second motor 411 operates, the connecting sleeve block 413 moves upwards along the screw rod 412 when the screw rod 412 rotates, at the moment, the protection cover 405 moves to the outer side of the clamping frame 402 under the driving of the connecting sleeve block 413, so that the LED lamp 407 is shielded, when the protection cover 405 moves to the highest position, the protection cover 405 pushes the horizontal position of the L-shaped side connecting rod 429 through the top, at the moment, the clamping pin 432 is separated from the locking hole 431, so that the press roller 420 can press the LED lamp 407 to a certain extent, the damage to the LED lamp 407 caused by the fact that the press roller 420 applies the pressing force to the LED lamp 407 when the LED lamp 407 is not shielded and protected is prevented, and when the LED lamp 407 bursts, the protection cover 405 shields fragments generated by bursting of the LED lamp 407, so that the fragments fall to the top of the bottom plate 406 under the action of gravity, the fragments can be prevented from being damaged, and the fragments are intensively recovered, and the safety of the equipment is improved.
Referring to fig. 3 and 4, the bottom plate 406 is detachably connected to the shield 405 through threads, and the diameter of the inner wall of the shield 405 is greater than the farthest distance from the clamping frame 402 to the center of the positioning threaded sleeve 419.
In this embodiment: through setting up this structure can make protection casing 405 shelter from completely around the LED lamp 407, and the debris of accessible to the bottom plate 406 dismantlement to the protection casing 405 inboard is emptyd simultaneously, provides convenience for the use of follow-up equipment.
Referring to fig. 4, a threaded hole matching with a screw rod 412 is provided on the inner side of the connecting sleeve block 413, and a through hole matching with the limit guide rod 403 is provided in the sleeve 404.
In this embodiment: by arranging the structure, the limiting guide rod 403 guides and limits the sleeve 404, so that the bottom plate 406 moves vertically upwards or downwards when the screw rod 412 rotates.
The following provides an LED lamp explosion-proof detection method by combining the LED lamp explosion-proof detection device, which specifically comprises the following steps:
s1: before the LED lamp 407 is screwed into the lamp holder 418, the straight-tooth swivel 424 is pressed first, when the straight-tooth swivel 424 moves downwards, the outer link 417 extrudes the inclined pushing frame 423 to enable the linkage roller moving frame 425 to move towards the center of a circle far away from the positioning threaded sleeve 419, along with the movement of the linkage roller moving frame 425, the tapered pin 428 is inserted into the through hole 430 to extrude and move upwards the bottom of the clamping pin 432, at the moment, the locking spring 433 is in a contracted state, when the locking hole 431 is aligned with the bottom end of the clamping pin 432, the clamping pin 432 is buckled into the locking hole 431 under the action of the locking spring 433, and therefore the tapered pin 428 is limited;
s2: then the LED lamp 407 is screwed into the lamp holder 418 through the positioning threaded sleeve 419, the top of the LED lamp 407 is connected with the first contact piece 437, and when the external power supply is turned on, the power supply supplies power to the LED lamp 407 through the movable contact piece 440, the second contact piece 438 and the first contact piece 437, so that the LED lamp 407 is lightened;
s3: starting a second motor 411, driving a screw rod 412 to rotate when the second motor 411 operates, enabling a connecting sleeve block 413 to move upwards along the screw rod 412 when the screw rod 412 rotates, enabling a protective cover 405 to move to the outer side of a clamping frame 402 under the driving of the connecting sleeve block 413 so as to shield an LED lamp 407, enabling the protective cover 405 to push the horizontal position of an L-shaped side connecting rod 429 through the top when the protective cover 405 moves to the highest position, separating a clamping pin 432 from a locking hole 431, enabling a compression roller 420 to squeeze the LED lamp 407 to a certain extent, preventing the compression roller 420 from exerting extrusion force on the LED lamp 407 to damage the LED lamp 407 when the LED lamp 407 is not shielded, enabling fragments generated by bursting of the LED lamp 407 to fall to the top of a bottom plate 406 under the action of self gravity, preventing the fragments from splashing to damage equipment, and simultaneously intensively recycling the fragments, and improving the use safety of the equipment;
s4: when the LED lamp 407 bursts, the press roller 420 loses the shielding of the LED lamp 407, at this time, the push spring 427 pushes the roller moving frame 425 to move towards the center of the positioning threaded sleeve 419, at this time, the roller moving frame 425 pushes the straight tooth rotating ring 424 to move upwards through the inclined push frame 423 and the outer connecting ring 417, so that the movable frame 434 moves upwards along with the shrinkage of the telescopic rod 416, at this time, the movable contact sheet 440 is separated from the second contact sheet 438, so as to perform power-off treatment on the LED lamp 407, and prevent the LED lamp 407 which is electrified after burst from generating sparks due to the loss of the protection of the shell, thereby improving the use safety of the equipment.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an explosion-proof detection device of LED lamps and lanterns, includes test box (1), its characterized in that, controller (3) are installed at the top of test box (1), the one end of test box (1) is provided with chamber door (2), install mounting plate (401) through the bolt in the inner wall top of test box (1), the bottom of mounting plate (401) is fixed with locating plate (415), lamp stand (418) are installed to the bottom of locating plate (415), the bottom of lamp stand (418) is fixed with location thread bush (419), the bottom of location thread bush (419) is connected with LED lamp (407), be provided with disconnected link mechanism between locating plate (415) and lamp stand (418), the top of locating plate (415) is connected with go-between (408) through the bearing rotation, the top of go-between (415) distributes three screens frame (402), and the centre of a circle equidistance of three screens frame (408) distributes, the bottom of screens frame (402) is provided with and is used for carrying out the detection to LED lamp (407), the bottom of screens (407) is located under the test piece (402).
2. The explosion-proof detection device for the LED lamp according to claim 1, wherein the press-connection test piece comprises a positioning shaft (426) fixed at one side, close to the positioning threaded sleeve (419), of the bottom of the clamping frame (402), a connecting roller moving frame (425) is sleeved on the positioning shaft (426), the press roller (420) is rotationally connected to one side, close to the positioning threaded sleeve (419), of the connecting roller moving frame (425) through a bearing, two sides of the connecting roller moving frame (425) are provided with a push spring (427) connected with the clamping frame (402), one side of the bottom of the clamping frame (402) is provided with a through connecting hole (430) penetrating through the clamping frame (402), one end, far from the press roller (420), of the connecting roller moving frame (425) is provided with a taper pin (428), one side, far from the connecting roller moving frame (425), of the clamping frame (422) is provided with a locking hole (431), the inner side of the clamping frame (422) is spliced with an L-shaped side connecting rod (429), the bottom of the connecting rod (431) is provided with a locking hole (433), the bottom of the connecting rod (433) is provided with a locking hole (433), the output of first motor (409) is connected with rectangular spur gear (410), the bottom of locating plate (415) is fixed with telescopic link (416) that set up side by side with lamp stand (418), the bottom mounting of telescopic link (416) has interior go-between (421) that are located the lamp stand (418) outside, the outside of interior go-between (421) is connected with outer go-between (417) through the bearing rotation, the outside of outer go-between (417) is provided with the oblique pushing frame (423) that links to each other with linking roller movable frame (425), the top of outer go-between (417) is fixed with spur gear swivel (424) with rectangular spur gear (410) engaged with.
3. The explosion-proof detection device for an LED lamp according to claim 2, wherein the thickness of the long straight gear (410) is equal to the movable distance of the straight-tooth swivel (424), and the thickness of the straight-tooth swivel (424) is smaller than the thickness of the long straight gear (410).
4. The explosion-proof detection device for the LED lamp according to claim 2, wherein balls which are rotatably connected with the clamping pins (432) through bearings are arranged at the bottoms of the clamping pins (432), and one end, far away from the roller connecting frame (425), of the conical pin (428) is of a conical structure.
5. The explosion-proof detection device of an LED lamp according to claim 2, wherein the disconnection mechanism comprises a clamping sleeve (435) fixed at the top of a lamp holder (418), the clamping sleeve (435) is positioned below a positioning plate (415), a movable connecting shaft (439) positioned below the positioning plate (415) is inserted at the top of the clamping sleeve (435), a movable frame (434) connected with a telescopic rod (416) is fixed at the top of the movable connecting shaft (439), a movable contact piece (440) positioned at the inner side of the clamping sleeve (435) is installed at the bottom of the movable connecting shaft (439), a connecting rod (436) penetrating through the inner side of the lamp holder (418) is arranged at the top of the lamp holder (418), a first contact piece (437) positioned at the inner side of the lamp holder (418) is installed at the bottom of the connecting rod (436), and a second contact piece (438) positioned at the inner side of the clamping sleeve (435) is arranged at the top of the connecting rod (436).
6. The explosion-proof detection device for an LED lamp according to claim 5, wherein the first contact piece (437) and the second contact piece (438) are electrically connected by a wire, and the movable contact piece (440) and the external power supply are electrically connected by a wire.
7. The LED lamp explosion-proof detection device according to claim 5, wherein the position shielding part comprises a side connecting plate (414) fixed on one side of the clamping frame (402) far away from the positioning plate (415), the side connecting plate (414) is located above the clamping frame (422), a second motor (411) is mounted at the top of one side connecting plate (414), the output end of the second motor (411) is connected with a screw rod (412), a position connecting sleeve block (413) is sleeved on the screw rod (412), a protective cover (405) located below the LED lamp (407) is fixed on the outer wall of the position connecting sleeve block (413), a bottom plate (406) is arranged at the bottom of the protective cover (405), two sleeves (404) are distributed at equal distances with the position connecting sleeve block (413) along the center of the protective cover (405), a limit guide rod (403) is inserted into the inner side of the sleeve (404), and the top end of the limit guide rod (403) is connected with the clamping frame (402) through the side connecting plate (414).
8. The explosion-proof detection device for the LED lamp according to claim 7, wherein the bottom plate (406) is detachably connected with the protective cover (405) through threads, and the diameter of the inner wall of the protective cover (405) is larger than the farthest distance from the clamping frame (402) to the center of the positioning thread sleeve (419).
9. The explosion-proof detection device for the LED lamp according to claim 7, wherein a threaded hole matched with a screw rod (412) is formed in the inner side of the connecting sleeve block (413), and a through hole matched with a limit guide rod (403) is formed in the sleeve (404).
10. An explosion-proof detection method for an LED lamp, which is characterized by adopting the explosion-proof detection device for the LED lamp according to any one of claims 1-9, and comprising the following steps:
s1: when the LED lamp (407) is subjected to explosion-proof detection, a press-connection test piece is operated, and the press roller (420) is far away from the center of the positioning thread sleeve (419) through the operation of the press-connection test piece;
s2: then screwing the LED lamp (407) into the positioning threaded sleeve (419) so that the top of the positioning threaded sleeve (419) extends to the inner side of the lamp holder (418), and electrically connecting the LED lamp (407) with a power supply on the device through the disconnecting mechanism;
s3: then shielding and protecting the periphery of the LED lamp (407) through operating the shielding and protecting piece, pressing the LED lamp (407) by the pressing roller (420) under the action of the press-connection test piece, shielding and collecting fragments generated by burst of the LED lamp (407) if the LED lamp (407) bursts by the shielding and protecting piece, and moving the pressing roller (420) towards the center of the positioning thread sleeve (419) under the action of the press-connection test piece due to shielding loss;
s4: at the moment, the disconnection mechanism is operated by pressing the test piece, so that the LED lamp (407) is in a power-off state, and after detection, the box door (2) is opened to take down the joint of the LED lamp (407) and the positioning threaded sleeve (419).
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| CN117310435B (en) | 2024-01-26 |
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