CN218336992U

CN218336992U - LED driver with built-in overvoltage protection

Info

Publication number: CN218336992U
Application number: CN202222625967.1U
Authority: CN
Inventors: 刘伟; 高小兵; 孔颖颖
Original assignee: Shanghai Ampote Electronic Lighting Technology Co ltd
Current assignee: Shanghai Yinai Electronic Technology Co.,Ltd.
Priority date: 2022-10-05
Filing date: 2022-10-05
Publication date: 2023-01-17
Anticipated expiration: 2032-10-05

Abstract

The utility model discloses a built-in overvoltage protection's LED driver, relate to LED driver technical field, including the mounting panel, the top both ends symmetry fixedly connected with supporting shoe of mounting panel, fixedly connected with heat-conducting plate between the adjacent one side top of two supporting shoes, the mounting groove has been seted up at the top of supporting shoe, fixedly connected with bracing piece in the mounting groove, the carriage release lever has been cup jointed in the both ends symmetry activity of bracing piece, the spring has been cup jointed in the activity on the bracing piece between carriage release lever and the mounting groove tip, swing joint has the LED driver body between two carriage release levers, the movable groove has been seted up at the top of carriage release lever, the activity is pegged graft on the movable groove and is had the installation pole, fixedly connected with coupling mechanism between installation pole and the movable groove, the installation pole is located LED driver body one side top fixedly connected with stopper. The utility model discloses it is rational in infrastructure, can improve the radiating effect of LED driver body to be convenient for dismantle LED driver body fast, and can not cause the damage to the lamp body.

Description

LED driver with built-in overvoltage protection

Technical Field

The utility model relates to a LED driver technical field, in particular to LED driver of built-in overvoltage protection.

Background

The LED driver is a power supply adjusting electronic device for driving an LED to emit light or an LED module assembly to normally work. Due to the conduction characteristic of the PN junction of the LED, the voltage and current variation range of a power supply which can be adapted to the PN junction of the LED is very narrow, and the LED cannot be lightened or the luminous efficiency is seriously reduced or the service life is shortened or even a chip is burnt down if the PN junction of the LED deviates a little. Both the current industrial frequency power supply and the common battery power supply are not suitable for directly supplying the LED, and the LED driver is an electronic component which can drive the LED to work under the optimal voltage or current state. In order to ensure that the electrical equipment is not damaged in a surge condition, an overvoltage protection circuit, such as a lightning protection circuit designed to be not damaged by lightning, is usually arranged at an input end of the electrical equipment; the overvoltage protection circuit is also included in the LED driver.

The LED driver of current built-in overvoltage protection uses the screw fixation in the lamp body usually, when LED drive power supply needs maintenance or change, too much twisting screw can cause the damage to the lamp body, influences the life of lamp body, and current LED driver is at the during operation simultaneously, and the radiating effect is poor, seriously influences LED drive power supply's life. Accordingly, the present application provides a built-in over-voltage protected LED driver to meet the need.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a built-in overvoltage protection's LED driver, can improve the radiating effect of LED driver body to be convenient for dismantle LED driver body fast, and can not cause the damage to the lamp body.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a built-in overvoltage protection's LED driver, includes the mounting panel, the top both ends symmetry fixedly connected with supporting shoe of mounting panel, two fixedly connected with heat-conducting plate between the adjacent one side top of supporting shoe, the mounting groove has been seted up at the top of supporting shoe, fixedly connected with bracing piece in the mounting groove, the both ends symmetry activity of bracing piece has cup jointed the carriage release lever, the carriage release lever with between the mounting groove tip the spring has been cup jointed in the activity on the bracing piece, two swing joint has LED driver body between the carriage release lever, the activity groove has been seted up at the top of carriage release lever, the activity is pegged graft on the activity groove and is had the installation pole, the installation pole with fixedly connected with coupling mechanism between the activity groove, the installation pole is located LED driver body one side top fixedly connected with stopper, just the stopper closely laminates on the LED driver body.

Preferably, the connecting mechanism comprises an installation cavity arranged in the bottom end of the installation rod, a lead screw is rotatably inserted into the installation cavity, a moving block is sleeved on the lead screw in a rotating mode through threads, connecting rods are symmetrically and rotatably connected to two ends of the moving block, one end, far away from the moving block, of each connecting rod is rotatably connected with an insertion block, the insertion block is movably inserted into the installation rod, and a slot matched with the insertion block is formed in the movable slot.

Preferably, the top of the screw rod extends out of the mounting rod in a rotating manner to be fixedly connected with a rotating block.

Preferably, a plurality of cooling fins are fixedly connected between the bottom of the heat conducting plate and the mounting plate.

Preferably, the bottom end of one side of the moving rod, which is located on the limiting block, is provided with a groove, and the rotating rod is rotatably connected in the groove.

Preferably, the top ends of the two sides of the mounting rod are provided with anti-skidding threads.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, through fixing the LED driver body on two supporting shoes, can avoid the bottom of LED driver body direct and mounting panel laminating, thereby cause LED driver body bottom can't carry out good heat dissipation, and absorb the heat that the LED driver body produced through the heat-conducting plate, the heat-conducting plate rethread a plurality of fin gives off absorptive heat, thereby improve the radiating effect of LED driver body, when needs maintain the LED driver body and change when dismantling, make the installation pole break away from the connection to the movable groove through coupling mechanism, take the installation pole out from the movable groove, the installation pole drives the stopper and breaks away from the spacing fixed to the LED driver body, take the LED driver body out from between two sets of carriage release levers at the recess internal rotation through the dwang after that, thereby be convenient for dismantle LED driver body fast, and can not cause the damage to the lamp body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an LED driver with built-in overvoltage protection;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the mounting rod and the moving rod;

fig. 4 is a schematic view of the internal structure of the installation cavity.

In the figure: 1. mounting a plate; 2. a support block; 3. a heat conducting plate; 31. a heat sink; 4. mounting grooves; 5. a support bar; 6. a travel bar; 61. a groove; 62. rotating the rod; 7. a spring; 8. an LED driver body; 9. a movable groove; 10. mounting a rod; 11. a connecting mechanism; 111. a mounting cavity; 112. a screw rod; 1121. rotating the block; 113. a moving block; 114. a connecting rod; 115. inserting a block; 116. a slot; 12. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, an LED driver with built-in over-voltage protection includes a mounting plate 1, supporting blocks 2 are symmetrically and fixedly connected to both ends of the top of the mounting plate 1, a heat-conducting plate 3 is fixedly connected between top portions of adjacent sides of the two supporting blocks 2, a mounting groove 4 is formed in the top portion of each supporting block 2, a supporting rod 5 is fixedly connected in the mounting groove 4, a moving rod 6 is movably sleeved to both ends of the supporting rod 5 symmetrically, a spring 7 is movably sleeved on the supporting rod 5 between the moving rod 6 and an end portion of the mounting groove 4, an LED driver body 8 is movably connected between the two moving rods 6, a moving groove 9 is formed in the top portion of the moving rod 6, a mounting rod 10 is movably inserted into the moving groove 9, a connecting mechanism 11 is fixedly connected between the mounting rod 10 and the moving groove 9, the mounting rod 10 is fixedly connected to a top portion of one side of the LED driver body 8, the stopper 12 is tightly attached to the LED driver body 8, a plurality of heat-dissipating fins 31 are fixedly connected between the bottom portion of the heat-conducting plate 3 and the mounting plate 1, a groove 61 is formed in a bottom portion of the moving rod 6, grooves 61 is rotatably connected to the bottom portion of the mounting rod 8, grooves 62 is formed in such that the LED driver body 8 is prevented from being detached from the heat-dissipating mechanism by fixing the driver body 8, and the heat-dissipating plate 8, and the heat-dissipating mechanism, thereby preventing heat-dissipating plate 8 from being unable to absorb heat-dissipating plate 8 when the LED driver body 8, take installation pole 10 out from activity inslot 9, installation pole 10 drives stopper 12 and breaks away from the spacing fixed to LED driver body 8, takes LED driver body 8 out from between two sets of two carriage release levers 6 through dwang 62 internal rotation in recess 61 after that to be convenient for dismantle LED driver body 8 fast, and can not lead to the fact the damage to the lamp body.

As a preferred implementation manner of this embodiment, as shown in fig. 2-3, the connection mechanism 11 includes a mounting cavity 111 opened in the bottom end of the mounting rod 10, a lead screw 112 is rotatably inserted into the mounting cavity 111, a moving block 113 is rotatably sleeved on the lead screw 112, two ends of the moving block 113 are symmetrically and rotatably connected with a connection rod 114, one end of the connection rod 114 away from the moving block 113 is rotatably connected with an insertion block 115, the insertion block 115 is movably inserted into the mounting rod 10, a slot 116 used in cooperation with the insertion block 115 is opened on the movable groove 9, a top of the lead screw 112 is rotatably extended out of the mounting rod 10 and fixedly connected with a rotating block 1121, the lead screw 1121 is driven by the connection rod 1121 112 to rotate, the moving block 113 is driven by the rotating lead screw 112 to move upward in the mounting cavity 111, the moving block 113 drives the insertion block 115 to move into the mounting cavity 111 through the connection rod 114, and the moving insertion block 115 is pulled out from the slot 116, so that the mounting rod 10 is separated from the movable groove 9, and the mounting rod 10 can be pulled out from the movable groove 9.

This practical theory of operation: through fixing LED driver body 8 on two supporting blocks 2, can avoid the bottom of LED driver body 8 directly to laminate with mounting panel 1, thereby cause LED driver body 8 bottom to can't carry out good heat dissipation, and absorb the heat that LED driver body 8 produced through heat-conducting plate 3, heat-conducting plate 3 gives off the absorbed heat through a plurality of fin 31, thereby improve LED driver body 8's radiating effect, when needing to maintain LED driver body 8 and change the dismantlement, drive lead screw 112 through turning block 1121 and rotate, pivoted lead screw 112 drives movable block 113 and upwards moves in installation cavity 111, movable block 113 that removes drives inserted block 115 through connecting rod 114 and removes in installation cavity 111, inserted block 115 that removes is taken out from slot 116, thereby be convenient for installation pole 10 to break away from the connection with activity groove 9, make installation pole 10 take out from activity groove 9, installation pole 10 drives stopper 12 and breaks away from the spacing fixed to LED driver body 8, then lead to the fact LED driver body 8 to take out from between two sets of movable rod 6 through dwang 62 rotation in recess 61, thereby be convenient for dismantling LED driver body 8 fast, and can not harm lamp body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An LED driver with built-in overvoltage protection, comprising a mounting board (1), characterized in that: the LED driver is characterized in that supporting blocks (2) are symmetrically and fixedly connected to two ends of the top of the mounting plate (1), two heat-conducting plates (3) are fixedly connected to the top of one side, which is adjacent to the supporting blocks (2), of the top of the supporting blocks (2), mounting grooves (4) are formed in the top of the supporting blocks (4), supporting rods (5) are fixedly connected to the inside of the mounting grooves (4), moving rods (6) are symmetrically movably sleeved at two ends of the supporting rods (5), springs (7) are movably sleeved on the supporting rods (5) between the ends of the mounting grooves (4), two LED driver bodies (8) are movably connected between the moving rods (6), movable grooves (9) are formed in the top of the moving rods (6), mounting rods (10) are movably inserted in the movable grooves (9), the mounting rods (10) are fixedly connected with limiting blocks (12) between the movable grooves (9), and the limiting blocks (12) are tightly attached to the top of one side of the LED driver bodies (8).

2. The LED driver with built-in overvoltage protection as claimed in claim 1, wherein: the connecting mechanism (11) comprises a mounting cavity (111) arranged in the bottom end of the mounting rod (10), a lead screw (112) is connected to the mounting cavity (111) in a rotating and inserting mode, a moving block (113) is connected to the lead screw (112) in a rotating and inserting mode, two ends of the moving block (113) are connected with connecting rods (114) in a symmetrical and rotating mode, one end, far away from the moving block (113), of each connecting rod (114) is connected with an inserting block (115) in a rotating mode, the inserting block (115) is movably connected to the mounting rod (10) in an inserting mode, and inserting grooves (116) matched with the inserting blocks (115) in use are formed in the movable groove (9).

3. The LED driver with built-in overvoltage protection as claimed in claim 2, wherein: the top of the screw rod (112) is rotatably extended out of the mounting rod (10) and is fixedly connected with a rotating block (1121).

4. The LED driver with built-in overvoltage protection as claimed in claim 1, wherein: a plurality of radiating fins (31) are fixedly connected between the bottom of the heat conducting plate (3) and the mounting plate (1).

5. The LED driver with built-in overvoltage protection as claimed in claim 1, wherein: the moving rod (6) is located a groove (61) is formed in the bottom end of one side of the limiting block (12), and a rotating rod (62) is rotatably connected to the groove (61).

6. The LED driver with built-in overvoltage protection as claimed in claim 1, wherein: the top ends of the two sides of the mounting rod (10) are provided with anti-skid grains.