CN212851449U

CN212851449U - LED driving power supply with passive power factor correction

Info

Publication number: CN212851449U
Application number: CN202022389869.3U
Authority: CN
Inventors: 陈丽萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-03-30
Anticipated expiration: 2030-10-25

Abstract

The utility model discloses a passive power factor correction's LED drive power supply belongs to LED drive power supply technical field, including the top cap, the bottom welding of top cap has the backup pad, and the bottom of backup pad is connected with fixed iron plate, one side threaded connection of fixed iron plate has the knob, and the bottom welding of fixed iron plate has the shell body, the inside arrangement of shell body has LED drive power supply, and one side of LED drive power supply is connected with the defeated mouth of electric wire, the welding of outer wall one side of shell body has the electric wire mouth, and one side welding of electric wire mouth has the fixed block, one side of electric wire mouth is connected with the expansion bracket. The utility model discloses in, rotate the knob for the knob shifts out from the one end of backup pad, and the knob in the remaining three corner of backup pad all shifts out afterwards, makes the concave all around of backup pad become flexible with fixed iron plate, so backup pad and shell body separation, makes the maintenance personal can maintain and change LED drive power supply exterior structure.

Description

LED driving power supply with passive power factor correction

Technical Field

The utility model belongs to the technical field of the LED drive power supply, concretely relates to LED drive power supply of passive power factor correction.

Background

The passive power factor correction is to connect a 1c filter in the circuit or a resonance filter at the AC side, when the load is inductive, the power factor can be improved by connecting a capacitor in parallel at the load end, and the LED driving power supply is a voltage converter, a linear power supply and a resistance-capacitance voltage reduction power supply which convert the power supply into specific voltage and current to drive the LED to emit light.

The prior art has the following problems: the protective shell of the existing LED driving power supply generally adopts a box-type cover plate, so that a worker maintains and replaces the external structure of the power supply, the service life of the device is greatly reduced, and the LED driving power supply is frequently used outdoors and is easily influenced by rain and snow weather, so that the power supply is damaged.

SUMMERY OF THE UTILITY MODEL

The protective shell of the existing LED driving power supply provided in the background technology generally adopts a box type cover plate, so that the service life of the device is greatly reduced due to the fact that a worker maintains and replaces the external structure of the power supply, and the LED driving power supply is frequently used outdoors and is easily influenced by rain and snow weather, and the power supply is damaged. The utility model provides a passive power factor correction's LED drive power supply.

In order to achieve the above object, the utility model provides a following technical scheme: a passive power factor corrected LED driving power supply comprises a top cover, wherein a supporting plate is welded at the bottom of the top cover, a fixed iron block is connected at the bottom of the supporting plate, a rotating button is connected with one side of the fixed iron block in a threaded manner, an outer shell is welded at the bottom of the fixed iron block, an LED driving power supply is arranged in the outer shell, an electric wire input port is connected at one side of the LED driving power supply, an electric wire port is welded at one side of the outer wall of the outer shell, a fixed block is welded at one side of the electric wire port, an expansion bracket is connected at one side of the electric wire port, a turnover cover is connected at one side of the expansion bracket, an iron ring is installed at the top of the turnover cover, a heat dissipation port is installed at the bottom of the outer shell, a hidden lattice is arranged at one side of the heat dissipation port, an auxiliary block is installed in the, and a U-shaped opening is arranged at the bottom of the auxiliary block.

Preferably, the central axis of the top cover and the central axis of the supporting plate are on the same line, and the top cover is arc-shaped.

Preferably, the rotary button forms a detachable structure with the support plate through a fixed iron block, and the fixed iron block is fixedly connected with the outer shell.

Preferably, the turnover cover is movably connected with the iron ring, and the area of the side surface of the turnover cover is equal to that of the side surface of the wire opening.

Preferably, the turnover cover and the fixed block form a movable structure through a telescopic frame, and the telescopic frame is symmetrical about the central axis of the outer shell.

Preferably, the supporting block and the auxiliary block form a movable structure through a rotating shaft, and the central axis of the supporting block and the central axis of the U-shaped opening are on the same line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, rotate the knob for the knob shifts out from the one end of backup pad, and the knob in the remaining three corner of backup pad all shifts out afterwards, makes the concave all around of backup pad become flexible with fixed iron plate, so backup pad and shell body separation, makes the maintenance personal can maintain and change power LED drive power supply exterior structure.

2. The utility model discloses in, the top of top cap is the arc form for when the rainwater falls on the top cap, under the slope of top cap, the rainwater falls into ground, so do not have ponding on the top cap, and the upset lid is the slope form under the removal of expansion bracket, so when the electric wire is when connecting, also can play a effect that keeps off the rain.

3. The utility model discloses in, the thermovent is installed to the bottom of shell body for LED drive power supply produces the heat when continuous operation, and the accessible thermovent dispels the heat, and the supporting shoe rotates on the auxiliary block through the pivot, makes the supporting shoe be in vertical state, and under the effect of U type mouth, prevents the supporting shoe to rotate to one side in addition, so under the effect of supporting shoe, keeps away from ground with the thermovent, makes the radiating effect better.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a driving power supply of the present invention;

FIG. 2 is an enlarged schematic view of the position A of the present invention;

fig. 3 is a schematic side view of the dark cell of the present invention.

In the figure: 1. a top cover; 2. a support plate; 3. a wire port; 4. a telescopic frame; 5. a fixed block; 6. turning over the cover; 7. an electric wire input port; 8. an LED driving power supply; 9. a heat dissipation port; 10. fixing the iron blocks; 11. a rotation knob; 12. an outer housing; 13. an auxiliary block; 14. a support block; 15. an iron ring; 16. a rotating shaft; 17. a U-shaped opening; 18. dark grid.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a passive power factor corrected LED driving power supply comprises a top cover 1, a supporting plate 2, an electric wire port 3, an expansion bracket 4, a fixed block 5, a turnover cover 6, an electric wire input port 7, an LED driving power supply 8, a heat dissipation port 9, a fixed iron block 10, a rotary button 11, an outer shell 12, an auxiliary block 13, a supporting block 14, an iron ring 15, a rotary shaft 16, a U-shaped port 17 and a hidden grid 18, wherein the supporting plate 2 is welded at the bottom of the top cover 1, the bottom of the supporting plate 2 is connected with the fixed iron block 10, the rotary button 11 is in threaded connection with one side of the fixed iron block 10, the outer shell 12 is welded at the bottom of the fixed iron block 10, the LED driving power supply 8 is arranged inside the outer shell 12, the electric wire input port 7 is connected to one side of the LED driving power supply 8, the electric wire port 3 is welded to one side of the outer wall of the outer shell 12, the fixed, and one side of the expansion bracket 4 is connected with a turnover cover 6, the top of the turnover cover 6 is provided with an iron ring 15, the bottom of the outer shell 12 is provided with a heat dissipation port 9, one side of the heat dissipation port 9 is provided with a hidden lattice 18, the inside of the hidden lattice 18 is provided with an auxiliary block 13, one side of the auxiliary block 13 is connected with a rotating shaft 16, the outer wall of the rotating shaft 16 is connected with a supporting block 14, and the bottom of the auxiliary block 13 is provided with a U-shaped port 17.

Specifically, the axis of top cap 1 is on the same line with the axis of backup pad 2, and top cap 1 is the arc form for when the rainwater falls on top cap 1, under top cap 1's slope, the rainwater falls into ground, so there is not ponding on top cap 1.

Specifically, the rotary knob 11 forms a detachable structure with the support plate 2 through the fixed iron block 10, and the fixed iron block 10 is fixedly connected with the outer shell 12, so that the rotary knob 11 is moved out from one end of the support plate 2, and the surrounding concave part of the support plate 2 is loosened from the fixed iron block 10, so that the support plate 2 is separated from the outer shell 12.

Specifically, the turnover cover 6 is movably connected with the iron ring 15, the area of the side surface of the turnover cover 6 is equal to the area of the side surface of the electric wire port 3, and the turnover cover 6 rotates through the iron ring 15, so that the turnover cover 6 covers the side surface of the electric wire port 3.

Specifically, the turning cover 6 and the fixed block 5 form a movable structure through the telescopic frame 4, the telescopic frame 4 is symmetrical about a central axis of the outer shell 12, and the turning cover 6 is inclined under the movement of the telescopic frame 4, so that when the wires are connected, a rain shielding effect can be achieved.

Specifically, the supporting block 14 and the auxiliary block 13 form a movable structure through the rotating shaft 16, the central axis of the supporting block 14 and the central axis of the U-shaped opening 17 are on the same line, and the supporting block 14 rotates on the auxiliary block 13 through the rotating shaft 16, so that the supporting block 14 is in a vertical state.

The utility model discloses a theory of operation and use flow: when in use, the rotating button 11 is rotated to move the rotating button 11 out of one end of the support plate 2, then the rotating buttons 11 at the remaining three corners of the support plate 2 are all moved out to loosen the recesses at the periphery of the support plate 2 and the fixed iron blocks 10, so that the support plate 2 is separated from the outer shell 12, so as to maintain and replace the external structure of the LED driving power supply 8, then the turnover cover 6 is moved under the telescopic frame 4 to make the turnover cover 6 in an inclined shape, so that the electric wires are connected with the electric wire input port 7 through the electric wire port 3, and the turnover cover 6 is in an inclined shape, so that when the electric wires are connected, a rain-sheltering effect can be achieved, the rear support block 14 is rotated on the auxiliary block 13 through the rotating shaft 16 to make the support block 14 in a vertical state, and under the action of the U-shaped port 17, the support block 14 is prevented from rotating to the other side, so that under the action of the support block 14, the heat dissipation port 9 is far away from the ground, so that the heat dissipation effect is better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A passive power factor correction's LED drive power supply, includes top cap (1), its characterized in that: the bottom of the top cover (1) is welded with the supporting plate (2), the bottom of the supporting plate (2) is connected with a fixed iron block (10), one side of the fixed iron block (10) is in threaded connection with a rotating button (11), the bottom of the fixed iron block (10) is welded with an outer shell (12), an LED driving power supply (8) is arranged inside the outer shell (12), one side of the LED driving power supply (8) is connected with an electric wire input port (7), one side of the outer wall of the outer shell (12) is welded with an electric wire port (3), one side of the electric wire port (3) is welded with a fixed block (5), one side of the electric wire port (3) is connected with an expansion bracket (4), one side of the expansion bracket (4) is connected with a turnover cover (6), an iron ring (15) is installed at the top of the turnover cover (6), and a heat dissipation port (9) is installed at, and one side of thermovent (9) is equipped with dark check (18), the internally mounted of dark check (18) has auxiliary block (13), and one side of auxiliary block (13) is connected with pivot (16), the outer wall connection of pivot (16) has supporting shoe (14), U type mouth (17) are installed to the bottom of auxiliary block (13).

2. The passive power factor correction LED driving power supply according to claim 1, wherein the central axis of the top cover (1) and the central axis of the supporting plate (2) are on the same line, and the top cover (1) is arc-shaped.

3. The passive power factor correction LED driving power supply according to claim 1, wherein the rotary knob (11) and the supporting plate (2) form a detachable structure through a fixed iron block (10), and the fixed iron block (10) and the outer shell (12) are fixedly connected.

4. The passive power factor correction LED driving power supply according to claim 1, wherein the flip cover (6) is movably connected with the iron ring (15), and the side surface area of the flip cover (6) is equal to that of the wire port (3).

5. The passive power factor correction LED driving power supply according to claim 1, wherein the flip cover (6) and the fixed block (5) form a movable structure through the telescopic frame (4), and the telescopic frame (4) is symmetrical about the central axis of the outer shell (12).

6. The passive power factor correction LED driving power supply according to claim 1, wherein the supporting block (14) and the auxiliary block (13) form a movable structure through the rotating shaft (16), and a central axis of the supporting block (14) is aligned with a central axis of the U-shaped opening (17).