CN215187751U

CN215187751U - LED constant current driving power supply with LLC resonance

Info

Publication number: CN215187751U
Application number: CN202121143154.8U
Authority: CN
Inventors: 文彪; 徐刚; 黎飞海; 汪晶
Original assignee: Shenzhen Maiqi Photoelectric Technology Co ltd
Current assignee: Shenzhen Maiqi Photoelectric Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-14
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to a drive power supply technical field just discloses a LED constant current drive power supply of LLC resonance, the on-line screen storage device comprises a base, the top of base is provided with the casing, and the inside of going up the casing is hollow structure, goes up the inside radiating groove of casing on opening and being equipped with the intercommunication in the front side of casing, goes up the inner wall fixedly connected with filter screen of casing, and the filter screen is located the rear side of radiating groove and contacts each other with the radiating groove. This LED constant current drive power supply of LLC resonance, it makes the rotation post slide in the inside of accomodating the groove to reset through the extension spring, make the fixed convenience more of base and last casing, make the staff obtain certain promotion to the fixed speed of base with last casing, the maintenance workman can be more smooth change and maintain the power, reduce the device simultaneously to a certain extent and fix through the bolt, the device uses the back in moist environment for a long time, make the bolt corrode, cause the maintenance workman to appear to the condition of the degree of difficulty increase of device.

Description

LED constant current driving power supply with LLC resonance

Technical Field

The utility model relates to a drive power supply technical field specifically is a LED constant current drive power supply of LLC resonance.

Background

However, the driving power supply designed in the technical scheme solves the problems that the LED driving power supply is inconvenient to use and still has certain difficulty in practical use because the LED driving power supply does not dissipate heat and has no damping effect but has a too complex designed structure.

According to the above problems, the patent publication: CN211429581U discloses an ED drive power supply, through setting up the fin that covers upper end fixedly connected with a plurality of equidistance distributes, the louvre that a plurality of equidistance distributes is seted up to the upper cover front end, a plurality of all be provided with the dust screen that the equidistance distributes in the louvre, solved LED drive power supply and not dispel the heat its structure too complicated problem that does not possess the absorbing effect but design, but still can appear following problem in the use of this scheme: this scheme is fixed the device through the bolt, but the device uses the back in humid environment for a long time, makes the bolt appear corroding, if the staff dismantles the use back many times to the bolt simultaneously, easily causes the damage of bolt, causes the condition that the maintenance workman increased to the degree of difficulty of device to appear, makes the staff be difficult for dismantling the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a LED constant current drive power supply of LLC resonance possesses that the staff can be more convenient dismantles advantages such as the device, has solved the difficult problem of dismantling the device of staff.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a LED constant current drive power supply of LLC resonance, the on-line screen storage device comprises a base, the top of base is provided with the casing, the inside of going up the casing is hollow structure, the inside radiating groove of casing in the intercommunication is opened to the front side of going up the casing, the inner wall fixedly connected with filter screen of going up the casing, the filter screen is located the rear side of radiating groove and contacts with the radiating groove each other, the spout has been seted up to the inner wall of going up the casing, the inside sliding connection of spout has the frame of cleaning, the front side of cleaning the frame is provided with the brush, the top of going up the casing is rotated and is connected with first threaded rod, the bottom of first threaded rod runs through the inside of casing and the inside of cleaning the frame in proper order and extends to the outside of cleaning the frame, the surface of first threaded rod and the inside threaded connection of cleaning the frame, the shifting chute has been seted up at the top of base, the shifting chute is the cross, the inside power groove of intercommunication shifting chute has been seted up to the inside of base, the inside of power piece is provided with power fixing device.

Preferably, the fixed slot has been seted up to the inside left surface of last casing, and the fixed slot is the T font, and the front side of base is opened and is equipped with and accomodates the groove, and the inside sliding connection who accomodates the groove has the rotation post, and the inside of rotating the post is hollow structure.

Preferably, power fixing device includes the second threaded rod, both ends all are connected with the inner wall rotation of power groove about the second threaded rod, the surface threaded connection of second threaded rod has the power piece, the power piece is isosceles trapezoid, the inside sliding connection of shifting chute has the mount of two mirrors, be provided with the same structure on two mounts, the rear side fixedly connected with spring of mount, the rear end of spring and the inner wall fixed connection of shifting chute, the front end of second threaded rod runs through the inside of base and extends to the inside of accomodating the groove, the inside fixedly connected with second bracing piece of column rotates, the inside of second bracing piece is hollow structure.

Preferably, a convex block is arranged on the left side of the vertical rod of the fixing frame, and the convex block on the left side of the vertical rod of the fixing frame is connected with the inside of the fixing groove in a sliding mode.

Preferably, two the mount is located the front and back both sides of second threaded rod and does not contact each other with the second threaded rod, and the mount is located the left side of power piece and contacts each other with the power piece.

Preferably, the inside fixedly connected with extension spring of second bracing piece, the right-hand member fixedly connected with of extension spring and the inside sliding connection's of second bracing piece first bracing piece, the right-hand member of first bracing piece and the left end fixed connection of second threaded rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a LED constant current drive power supply of LLC resonance possesses following beneficial effect:

1. this LED constant current drive power supply of LLC resonance, it makes the rotation post slide in the inside of accomodating the groove to reset through the extension spring, make the fixed convenience more of base and last casing, make the staff obtain certain promotion to the fixed speed of base with last casing, it is more convenient to make the later maintenance of base and last casing, when the power of last casing inside breaks down, the maintenance workman can be more smooth change and maintain the power, when reducing the device to a certain extent simultaneously and fixing through the bolt, the device uses the back in moist environment for a long time, make the bolt corrode, cause the condition of maintenance workman to the degree of difficulty increase of device to appear, make drive power supply when breaking down to a certain extent, the maintenance workman obtains promoting to drive power supply's maintenance speed.

2. This LED constant current drive power supply of LLC resonance, through the inside that the groove was accomodate in the rotation post cunning, make the outward appearance of device more clean and tidy, make the volume of device littleer, make that the staff can be more smooth install the device, prevent simultaneously to a certain extent that base and last casing are fixed the back, the staff mistake is touched and is rotated the post, the fixed condition that receives the influence of messenger's device appears, prevent that the outside object from colliding the rotation post simultaneously, make the rotation post appear damaging, cause the fixed problem that breaks down of device.

3. This LED constant current drive power supply of LLC resonance, through reciprocating of cleaning the frame, and then realize cleaning the frame and clean the dust of filter screen rear side through the brush, make the filter screen cleaner, prevent to a certain extent that particles such as dust from blockking up the filter screen's filter screen hole, the condition that makes the filter capacity of filter screen descend appears, make the filter screen when the air to last casing inside exchanges with the outside air of last casing, the filter screen can be more smooth filters the dust in the air, reduce the inside of dust access device to a certain extent, the condition that the damage appears in the electrical components that makes the device inside, make drive power supply can be more smooth move.

Drawings

Fig. 1 is a schematic view of the driving power supply of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the base of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention;

fig. 5 is a schematic sectional view of the fixing groove of the present invention;

fig. 6 is a schematic view of the internal structure of the upper housing of the present invention.

In the figure: the cleaning machine comprises a base 1, an upper shell 2, a receiving groove 3, a rotating column 4, a filter screen 5, a heat dissipation groove 6, a first threaded rod 7, a moving groove 8, a spring 9, a fixing frame 10, a second threaded rod 11, a power block 12, a power groove 13, a fixing groove 14, a first supporting rod 15, a second supporting rod 16, a tension spring 17, a cleaning frame 18 and a sliding groove 19.

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. 1-6, the present invention provides a technical solution: an LED constant current driving power supply with LLC resonance comprises a base 1, wherein the top of the base 1 is provided with an upper shell 2, the interior of the upper shell 2 is of a hollow structure, the interior of the upper shell 2 is provided with a power supply, the front side of the upper shell 2 is provided with a radiating groove 6 communicated with the interior of the upper shell 2, the radiating groove 6 can enable air in the upper shell 2 to exchange with air outside the upper shell 2, the inner wall of the upper shell 2 is fixedly connected with a filter screen 5, the filter screen 5 is positioned at the rear side of the radiating groove 6 and is mutually contacted with the radiating groove 6, dust in the air can be prevented from entering the interior of the upper shell 2 through the filter screen 5, the inner wall of the upper shell 2 is provided with a sliding groove 19, the interior of the sliding groove 19 is slidably connected with a cleaning frame 18, the front side of the cleaning frame 18 is provided with a brush, the cleaning frame 18 can clean the rear side of the filter screen 5 through the brush, the top of the upper shell 2 is rotatably connected with a first threaded rod 7, the bottom end of the first threaded rod 7 penetrates through the top of the upper shell 2 and the inside of the cleaning frame 18 in sequence and extends to the outside of the cleaning frame 18, the surface of the first threaded rod 7 is in threaded connection with the inside of the cleaning frame 18, a fixing groove 14 is formed in the left surface of the inside of the upper shell 2, the fixing groove 14 is T-shaped, a moving groove 8 is formed in the top of the base 1, the moving groove 8 is cross-shaped, a power groove 13 communicated with the inside of the moving groove 8 is formed in the base 1, an accommodating groove 3 is formed in the front side of the base 1, a rotating column 4 is connected to the inside of the accommodating groove 3 in a sliding mode, the inside of the rotating column 4 is of a hollow structure, and a power fixing device is arranged inside the power block 12;

after the device is used for a long time, the first threaded rod 7 is rotated, the moving direction of the cleaning frame 18 is limited by the limitation of the sliding groove 19, so that the first threaded rod 7 can rotate forwards and backwards to drive the cleaning frame 18 to move up and down, further, the cleaning frame 18 cleans the dust on the rear side of the filter screen 5 through the brush, so that the filter screen 5 is cleaner, the situation that the filtering capability of the filter screen 5 is reduced due to the blocking of the filter mesh of the filter screen 5 by particles such as dust and the like is prevented to a certain extent, when the filter screen 5 exchanges the air inside the upper shell 2 with the air outside the upper shell 2, the filter screen 5 can filter the dust in the air more smoothly, dust entering the device is reduced to a certain extent, so that electric elements in the device are damaged, and the driving power supply can run more smoothly;

the power fixing device comprises a second threaded rod 11, the left end and the right end of the second threaded rod 11 are rotatably connected with the inner wall of a power groove 13, a power block 12 is connected with the surface of the second threaded rod 11 through threads, the power block 12 is in an isosceles trapezoid shape, the movement of the power block 12 is limited reversely through the limitation of the power groove 13, the situation that the power block 12 is clamped when moving is prevented to a certain extent, two mirror-image fixing frames 10 are slidably connected inside a moving groove 8, the fixing frames 10 are also in a cross shape, the two fixing frames 10 are provided with the same structure, a convex block is arranged on the left side of a vertical rod of each fixing frame 10, the convex block on the left side of the vertical rod of each fixing frame 10 is slidably connected with the inside of a fixed groove 14, a spring 9 is fixedly connected to the rear side of each fixing frame 10, the rear end of the spring 9 is fixedly connected with the inner wall of the moving groove 8, the two fixing frames 10 are positioned on the front side and the rear side of the second threaded rod 11 and are not contacted with the second threaded rod 11, the fixing frame 10 is located on the left side of the power block 12 and is in contact with the power block 12, the front end of the second threaded rod 11 penetrates through the interior of the base 1 and extends into the accommodating groove 3, the interior of the rotating column 4 is fixedly connected with a second supporting rod 16, the interior of the second supporting rod 16 is of a hollow structure, the interior of the second supporting rod 16 is fixedly connected with a tension spring 17, the right end of the tension spring 17 is fixedly connected with a first supporting rod 15 in sliding connection with the interior of the second supporting rod 16, and the right end of the first supporting rod 15 is fixedly connected with the left end of the second threaded rod 11;

make the vertical groove of fixed slot 14 slide on the left lug of the vertical pole of mount 10, after the bottom of last casing 2 contacts with the top of base 1, make the inside of rotating 4 roll-off and accommodating groove 3 of post, extension spring 17 stretches, second bracing piece 16 moves left on the surface of first bracing piece 15, after rotating the inside of post 4 roll-off and accommodating groove 3, and rotate rotating 4 post, make second bracing piece 16 drive first bracing piece 15 and second threaded rod 11 and rotate, restriction through power groove 13, make power piece 12 move left, and promote two mounts 10 and keep away from the removal relatively, spring 9 compresses, make the left lug of the vertical pole of two mounts 10 keep away from the removal relatively in the inside of the horizontal groove of fixed slot 14, and then realize fixing the position of last casing 2 and base 1, make rotation post 4 carry out reverse movement, and then make rotation post 4 drive second bracing piece 16 and first bracing piece 15 and second threaded rod 11 rotate second bracing piece 16 and rotate The power block 12 moves rightwards, the spring 9 resets the two fixing frames 10, the convex block at the left side of the vertical rod of the fixing frame 10 slides into the vertical groove of the fixing groove 14, further realizing the fixation of the upper shell 2 and the base 1 to be released, loosening the rotating column 4, resetting the tension spring 17 to ensure that the rotating column 4 slides into the accommodating groove 3, ensuring that the fixation of the base 1 and the upper shell 2 is more convenient, ensuring that the fixing speed of the working personnel to the base 1 and the upper shell 2 is improved to a certain degree, ensuring that the later maintenance of the base 1 and the upper shell 2 is more convenient, when the power supply in the upper shell 2 breaks down, the maintenance worker can more smoothly replace and maintain the power supply, meanwhile, when the device is fixed through the bolt to a certain extent, the situation that the difficulty of a maintenance worker on the device is increased due to the fact that the bolt is corroded after the device is used in a humid environment for a long time is reduced;

simultaneously through rotating the inside that the post 4 slided into and accomodate groove 3, make the outward appearance of device cleaner and tidier, make the volume of device littleer, make the staff can be more smooth install the device, prevent simultaneously to a certain extent that base 1 and last casing 2 are fixed the back, the staff touches rotation post 4 by mistake, the fixed condition that receives the influence of messenger's device appears, prevent simultaneously that external object from colliding rotation post 4, make rotation post 4 appear damaging, cause the fixed problem of breaking down of device.

The working principle is as follows:

when the LED constant current driving power supply with LLC resonance is used, the vertical groove of the fixed groove 14 slides on the convex block on the left side of the vertical rod of the fixed frame 10, after the bottom of the upper shell 2 is contacted with the top of the base 1, the rotating column 4 slides out of the accommodating groove 3, the tension spring 17 stretches, the second supporting rod 16 moves leftwards on the surface of the first supporting rod 15, after the rotating column 4 slides out of the accommodating groove 3, the rotating column 4 is rotated, the second supporting rod 16 drives the first supporting rod 15 and the second threaded rod 11 to rotate, the power block 12 moves leftwards through the limitation of the power groove 13 and pushes the two fixed frames 10 to move away from each other relatively, the spring 9 compresses, so that the convex blocks on the left sides of the vertical rods of the two fixed frames 10 move away from each other relatively in the transverse groove of the fixed groove 14, and further the position fixation of the upper shell 2 and the base 1 is realized, make the post 4 that rotates carry out reverse direction moving, and then make the post 4 that rotates drive second bracing piece 16 and first bracing piece 15 and second threaded rod 11 and rotate, make power piece 12 move right, spring 9 resets and makes two mount 10 reset, make the left lug of the vertical pole of mount 10 slide in the inside in the vertical groove of fixed slot 14, and then realize the fixed release to last casing 2 and base 1, make first threaded rod 7 rotate, through the restriction of spout 19, make the moving direction who cleans frame 18 receive the restriction, and then make first threaded rod 7 carry out the positive and negative rotation, can drive and clean frame 18 and reciprocate, and then realize cleaning frame 18 and clean the dust of filter screen 5 rear side through the brush.

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. The utility model provides a LED constant current drive power supply of LLC resonance, includes base (1), its characterized in that: the top of the base (1) is provided with an upper shell (2), the interior of the upper shell (2) is of a hollow structure, the front side of the upper shell (2) is provided with a heat dissipation groove (6) communicated with the interior of the upper shell (2), the inner wall of the upper shell (2) is fixedly connected with a filter screen (5), the filter screen (5) is positioned at the rear side of the heat dissipation groove (6) and is in contact with the heat dissipation groove (6), the inner wall of the upper shell (2) is provided with a sliding groove (19), the interior of the sliding groove (19) is connected with a cleaning frame (18) in a sliding manner, the front side of the cleaning frame (18) is provided with a brush, the top of the upper shell (2) is rotatably connected with a first threaded rod (7), the bottom end of the first threaded rod (7) sequentially penetrates through the top of the upper shell (2) and the interior of the cleaning frame (18) and extends to the exterior of the cleaning frame (18), the surface of the first threaded rod (7) is in threaded connection with the interior of the cleaning frame (18), a moving groove (8) is formed in the top of the base (1), the moving groove (8) is cross-shaped, a power groove (13) communicated with the inside of the moving groove (8) is formed in the base (1), and a power fixing device is arranged in the power block (12).

2. The LLC resonant LED constant current drive power supply of claim 1, wherein: go up casing (2) inside left surface and seted up fixed slot (14), fixed slot (14) are the T font, and the front side of base (1) is opened and is equipped with and accomodate groove (3), and the inside sliding connection who accomodates groove (3) has rotation post (4), and the inside of rotating post (4) is hollow structure.

3. The LLC resonant LED constant current drive power supply of claim 1, wherein: the power fixing device comprises a second threaded rod (11), both ends all rotate with the inner wall of power groove (13) about second threaded rod (11) and are connected, the surface threaded connection of second threaded rod (11) has power piece (12), power piece (12) are isosceles trapezoid, the inside sliding connection of shifting chute (8) has mount (10) of two mirror images, be provided with the same structure on two mount (10), rear side fixedly connected with spring (9) of mount (10), the rear end of spring (9) and the inner wall fixed connection of shifting chute (8), the front end of second threaded rod (11) runs through the inside of base (1) and extends to the inside of accomodating groove (3), the inside fixedly connected with second bracing piece (16) of rotation post (4), the inside of second bracing piece (16) is hollow structure.

4. The LLC resonant LED constant current drive power supply according to claim 3, wherein: the left side of the vertical rod of the fixing frame (10) is provided with a convex block, and the convex block on the left side of the vertical rod of the fixing frame (10) is connected with the inside of the fixing groove (14) in a sliding mode.

5. The LLC resonant LED constant current drive power supply according to claim 3, wherein: two mount (10) are located the front and back both sides of second threaded rod (11) and do not contact each other with second threaded rod (11), and mount (10) are located the left side of power piece (12) and contact each other with power piece (12).

6. The LLC resonant LED constant current drive power supply according to claim 3, wherein: the inside fixedly connected with extension spring (17) of second bracing piece (16), the right-hand member fixedly connected with of extension spring (17) and inside sliding connection's of second bracing piece (16) first bracing piece (15), the right-hand member of first bracing piece (15) and the left end fixed connection of second threaded rod (11).