Convenient-to-overhaul LED switching power supply for transformer rectifier

Abstract

The utility model discloses a transformer rectifier used LED switching power supply convenient for maintenance, comprising a housing and a switching power supply body installed in the housing, a cleaning mechanism is arranged above the housing, the cleaning mechanism comprises a cross beam, a driving arm, a slide block, a driving rod, a rubber plate, a brush, a gear and a rack, an opening mechanism is arranged above the switching power supply body, and the opening mechanism is connected with the cross beam. A connecting mechanism is arranged on one side of the opening mechanism; the driving arm is arranged, the driving arm pulls the sliding blocks on the two sides to slide along the cross beam, the sliding blocks drive the gears to rotate under the action of the racks while moving so as to drive the driving rod to rotate, the driving rod drives the multiple rubber plates and the brushes to rotate while rotating, and dust on the heat dissipation shell is cleaned while the brushes rotate; and meanwhile, the rubber plate drives air to flow, dust is blown away from the heat dissipation shell, and the dust is prevented from returning to the surface of the heat dissipation shell again.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer power switches, in particular to an LED switch power supply for a transformer rectifier which is easy to repair. Background Art

[0002] The high frequency of LED switching power supply is its development direction. High frequency makes the switching power supply smaller and allows the switching power supply to enter a wider range of applications, especially in the field of high-tech, which promotes the miniaturization and lightness of high-tech products. In addition, the development and application of switching power supply are of great significance in saving energy, saving resources and protecting the environment.

[0003] In the prior art, a Chinese utility model patent with authorization announcement number CN 214708301 U discloses an LED switching power supply for a transformer rectifier that is easy to repair, comprising an LED switching power supply body and a switching power supply heat sink. The LED switching power supply body is provided with a switching power supply heat sink outside, and auxiliary blocks are welded on both sides of the upper end of the switching power supply heat sink. A slide groove is provided in the auxiliary block, and a slider is provided in the slide groove for sliding connection. A pull plate is welded on the inner side of the slider, and a handle is welded on the top of the pull plate. A cleaning pad is provided at the lower end of the pull plate. Through the auxiliary block, the slide groove, the slider, the pull plate, the handle and the cleaning pad, an operator pulls the handle and utilizes the relationship that the slider and the slide groove are slidably connected, so that the pull plate can move on the surface of the switching power supply heat sink. At this time, due to the movement of the pull plate, the cleaning pad moves on the surface of the switching power supply heat sink together, and the bottom end surface of the cleaning pad fits with the switching power supply heat sink, so when the cleaning pad moves, dust cleaning can be performed.

[0004] Compared with the prior art, the above solution has the following problems: during the dust cleaning process of the heat sink shell using a cleaning pad, the dust will return to the surface of the heat sink shell due to gravity, and at the same time, the dust will be pressed, resulting in blockage of the heat dissipation holes.

[0005] Therefore, it is necessary to invent an LED switching power supply for a transformer rectifier that is easy to repair. Summary of the invention

[0006] The utility model aims to overcome the deficiencies of the prior art and provide an LED switching power supply for a transformer rectifier which is easy to repair.

[0007] The utility model solves the technical problem through the following technical scheme: it comprises a shell and a switch power supply body installed inside the shell, a cleaning mechanism is arranged above the shell, the cleaning mechanism comprises a crossbeam, the crossbeam is fixed to the top of the shell by bolts, a driving arm is arranged on the inner wall of the crossbeam, sliders are arranged at both ends of the driving arm, a driving rod is arranged on one side of the slider, a plurality of rubber plates are arranged on the outer side of the driving rod, a brush is arranged on one side of the rubber plate, a gear is arranged at one end of the driving rod, a rack is meshed below the gear, an opening mechanism is arranged above the switch power supply body, and a connecting mechanism is arranged on one side of the opening mechanism.

[0008] As a further solution of the utility model: the opening mechanism includes an inclined track, which is fixed to the inner wall of the shell by bolts, a screw rod is arranged in the middle position of the inclined track, a cross plate is arranged on the outer side of the screw rod, a supporting roller is arranged in the middle position of the cross plate, a limiting slide rod is arranged on one side of the shell, and the limiting slide rod is slidably connected to the cross plate.

[0009] As a further solution of the utility model: the connecting mechanism includes a retaining ring, which is fixed to the outer wall of the shell by bolts, a magnet is arranged at the bottom of the retaining ring, an iron block is arranged on the outer wall of the magnet, a connecting plate is arranged on one side of the iron block, and a damping hinge is arranged at one end of the connecting plate.

[0010] As a further solution of the utility model: a rotating shaft is arranged at one end of the shell, and a heat dissipation top plate is arranged on the outer side of the rotating shaft.

[0011] As a further solution of the utility model: baffles are arranged on both sides of the heat dissipation top plate, and the sliding block is slidably connected to the baffles.

[0012] As a further solution of the utility model: a handle is provided in the middle position of the driving arm.

[0013] As a further solution of the utility model: a rotating handle is arranged at one end of the screw rod.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] 1. A driving arm is provided, and the sliders on both sides are pulled by the driving arm to slide along the crossbeam. When the slider moves, the gear is driven to rotate under the action of the rack, thereby driving the driving rod to rotate. When the driving rod rotates, multiple rubber plates and brushes are driven to rotate. When the brushes rotate, the dust on the heat dissipation shell is cleaned to avoid clogging of the heat dissipation holes. At the same time, the rubber plate drives the air flow to blow the dust away from the heat dissipation shell to prevent the dust from returning to the surface of the heat dissipation shell again;

[0016] 2. A rotating handle is provided to drive the screw rod to rotate, and the screw rod drives the horizontal plate to move along the inclined track, thereby driving the supporting roller to rise along the inclined track, lifting the heat dissipation top plate, and realizing the automatic opening and closing of the heat dissipation top plate;

[0017] 3. By setting the iron block, the iron block is clamped into the retaining ring under the action of the magnet, thereby ensuring the stability of the connection between the heat dissipation top plate and the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It shows an isometric structural schematic diagram provided according to an embodiment of the utility model;

[0019] Figure 2 A schematic diagram of a side cross-sectional structure provided according to an embodiment of the utility model is shown;

[0020] Figure 3 The utility model provides a Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 4 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model is shown;

[0022] Figure 5 The utility model provides a Figure 4 A schematic diagram of the partially enlarged structure at B in the middle;

[0023] Figure 6 The utility model provides a Figure 4 Schematic diagram of the partial enlarged structure at point C in the middle.

[0024] Legend:

[0025] 100, housing; 200, switching power supply body; 110, stop bar; 120, handle; 130, rotating shaft; 140, heat dissipation top plate; 150, rotating handle; 101, crossbeam; 102, driving arm; 103, slider; 104, driving rod; 105, rubber sheet; 106, brush; 107, rack; 108, gear; 201, inclined track; 202, lead screw; 203, cross plate; 204, supporting roller; 205, limit slide rod; 301, damping hinge; 302, connecting plate; 303, iron block; 304, retaining ring; 305, magnet. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0028] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Example

[0029] like Figure 1-3 As shown, a LED switching power supply for a transformer rectifier that is easy to repair includes a housing 100 and a switching power supply body 200 installed inside the housing 100. A cleaning mechanism is arranged above the housing 100. The cleaning mechanism includes a crossbeam 101, which is fixed to the top of the housing 100 by bolts. A driving arm 102 is slidably connected to the inner wall of the crossbeam 101. Slide blocks 103 are welded to both ends of the driving arm 102. A driving rod 104 is rotatably connected to one side of the slide block 103. A plurality of rubber plates 104 are fixed to the outer side of the driving rod 104 by bolts. 05, a brush 106 is fixed to one side of the rubber plate 105 by bolts, a gear 108 is welded to one end of the driving rod 104, a rack 107 is meshed below the gear 108, an opening mechanism is arranged above the switching power supply body 200, a connecting mechanism is arranged on one side of the opening mechanism, a heat dissipation top plate 140 is fixed to the outer side of the rotating shaft 130 by bolts, a handle 120 is fixed to the middle position of the driving arm 102 by bolts, baffles 110 are fixed to both sides of the heat dissipation top plate 140 by bolts, and the slider 103 is slidably connected to the baffles 110.

[0030] In this embodiment, a driving arm 102 is provided, and the driving arm 102 pulls the sliders 103 on both sides to slide along the beam 101. When the slider 103 moves, the gear 108 is driven to rotate under the action of the rack 107, thereby driving the driving rod 104 to rotate. When the driving rod 104 rotates, it drives multiple rubber plates 105 and a brush 106 to rotate. When the brush 106 rotates, it cleans the dust on the heat dissipation shell to avoid clogging of the heat dissipation holes. At the same time, the rubber plate 105 drives the air to flow, blows the dust away from the heat dissipation shell, and prevents the dust from returning to the surface of the heat dissipation shell again. Example

[0031] like Figure 1-6 As shown, a LED switch power supply for a transformer rectifier that is easy to repair, the opening mechanism includes an inclined track 201, the inclined track 201 is fixed to the inner wall of the housing 100 by bolts, the middle position of the inclined track 201 is rotatably connected to a screw rod 202, the outer side of the screw rod 202 is transmission-connected to a cross plate 203, the middle position of the cross plate 203 is rotatably connected to a support roller 204, one side of the housing 100 is fixed with a limit slide rod 205 by bolts, the limit slide rod 205 and the cross plate 204 are connected to each other. 03 sliding connection, the connection mechanism includes a retaining ring 304, the retaining ring 304 is fixed to the outer wall of the shell 100 by bolts, the bottom of the retaining ring 304 is fixed with a magnet 305 by bolts, the outer wall of the magnet 305 magnetically attracts an iron block 303, one side of the iron block 303 is fixed with a connecting plate 302 by bolts, one end of the connecting plate 302 is fixed with a damping hinge 301 by bolts, one end of the shell 100 is rotatably connected with a rotating shaft 130, and one end of the screw rod 202 is welded with a rotating handle 150.

[0032] In this embodiment, a rotating handle 150 is provided, and the rotating handle 150 drives the screw rod 202 to rotate, and the screw rod 202 drives the cross plate 203 to move along the inclined track 201, thereby driving the supporting roller 204 to rise along the inclined track 201, and lifting the heat dissipation top plate 140, thereby realizing automatic opening and closing of the heat dissipation top plate 140, and an iron block 303 is provided, and the iron block 303 is stuck in the retaining ring 304 under the action of the magnet 305, thereby ensuring the stability of the connection between the heat dissipation top plate 140 and the shell 100.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An LED switching power supply for a transformer rectifier that is easy to repair, characterized in that: The invention comprises a housing (100) and a switching power supply body (200) installed inside the housing (100); a cleaning mechanism is arranged above the housing (100); the cleaning mechanism comprises a crossbeam (101); the crossbeam (101) is fixed to the top of the housing (100) by bolts; a driving arm (102) is arranged on the inner wall of the crossbeam (101); sliders (103) are arranged at both ends of the driving arm (102); a driving rod (104) is arranged on one side of the slider (103); a plurality of rubber plates (105) are arranged on the outer side of the driving rod (104); a brush (106) is arranged on one side of the rubber plate (105); a gear (108) is arranged at one end of the driving rod (104); a rack (107) is meshed below the gear (108); an opening mechanism is arranged above the switching power supply body (200); a connecting mechanism is arranged on one side of the opening mechanism.

2. The LED switching power supply for a transformer rectifier that is easy to maintain according to claim 1 is characterized in that: The opening mechanism comprises an inclined track (201), the inclined track (201) being fixed to the inner wall of the housing (100) by means of bolts, a screw rod (202) being arranged in the middle of the inclined track (201), a transverse plate (203) being arranged on the outer side of the screw rod (202), a supporting roller (204) being arranged in the middle of the transverse plate (203), and a limiting sliding rod (205) being arranged on one side of the housing (100), the limiting sliding rod (205) being slidably connected to the transverse plate (203).

3. The LED switching power supply for a transformer rectifier that is easy to maintain according to claim 1 is characterized in that: The connection mechanism comprises a retaining ring (304), the retaining ring (304) being fixed to the outer wall of the housing (100) by means of bolts, a magnet (305) being arranged at the bottom of the retaining ring (304), an iron block (303) being arranged on the outer wall of the magnet (305), a connecting plate (302) being arranged on one side of the iron block (303), and a damping hinge (301) being arranged at one end of the connecting plate (302).

4. The LED switching power supply for a transformer rectifier that is easy to maintain according to claim 1 is characterized in that: A rotating shaft (130) is provided at one end of the housing (100), and a heat dissipation top plate (140) is provided on the outer side of the rotating shaft (130).

5. The LED switching power supply for a transformer rectifier that is easy to maintain according to claim 4 is characterized in that: Baffle bars (110) are provided on both sides of the heat dissipation top plate (140), and the sliding block (103) is slidably connected to the baffle bars (110).

6. The LED switching power supply for transformer rectifier that is easy to maintain according to claim 1 is characterized in that: A handle (120) is provided at the middle position of the driving arm (102).

7. The LED switching power supply for transformer rectifier that is easy to maintain according to claim 2 is characterized in that: A rotating handle (150) is provided at one end of the screw rod (202).

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