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CN-224233934-U - Power supply box and display device using same

CN224233934UCN 224233934 UCN224233934 UCN 224233934UCN-224233934-U

Abstract

The utility model relates to a power supply box and a display device using the same. The power supply box comprises a box body (31) and an upper cover (33), wherein the upper cover (33) is mounted at the opening end of the box body (31), a containing cavity is formed by the box body (31) and the upper cover (33), a circuit board assembly and a heat dissipation piece (38) are mounted in the containing cavity, the heat dissipation piece (38) is attached to a heating element of the circuit board assembly, and the heat dissipation piece (38) is abutted to the inner wall of the box body (31) and is in heat conduction connection with the box body, so that heat of the circuit board assembly is conducted to the box body (31). According to the utility model, heat generated by the power supply box can be conducted to the box body of the power supply box through the heat dissipation piece, so that heat dissipation is improved.

Inventors

  • WANG HUAN
  • FAN ZONGQUAN

Assignees

  • 深圳市锐凌光电有限公司

Dates

Publication Date
20260512
Application Date
20250217

Claims (10)

  1. 1. The utility model provides a power pack, includes box body (31) and upper cover (33), upper cover (33) install to the open end of box body (31), its characterized in that, box body (31) and upper cover (33) enclose into the chamber of acceping, it installs circuit board subassembly and radiator (38) to accept the intracavity, radiator (38) are leaned on to the heating element of circuit board subassembly, radiator (38) butt extremely the inner wall of box body (31) and with the box body forms heat conduction connection, be used for with the heat conduction of circuit board subassembly extremely box body (31).
  2. 2. The power supply box according to claim 1, wherein the box body (31) is rectangular and comprises a bottom plate (31 a) and first side walls (31 b) extending upwards from the edge of the bottom plate (31 a), and the heat dissipation member (38) is attached to the two first side walls (31 b) in the width direction along the width direction of the box body (31).
  3. 3. The power supply box according to claim 1, characterized in that the power supply box (30) is provided with a heat dissipating ridge (33 f), the heat dissipating ridge (33 f) being provided to the upper cover (33) and/or the box body.
  4. 4. The power supply box according to claim 2, wherein the heat dissipation member (38) comprises a main body and a plurality of heat dissipation fins (38 f) extending from the main body, and the heat dissipation fins (38 f) extend along the width direction of the box body (31) and are thermally connected with two first side walls (31 b) in the width direction.
  5. 5. A display device comprising a frame (10) for mounting a display module (20), further comprising a power supply box according to any of claims 1 to 4, said power supply box being mounted to said frame (10) and forming a heat conductive connection with said frame (10), said power supply box (30) being for powering said display module (20).
  6. 6. The display device according to claim 5, wherein the frame (10) comprises a plurality of peripheral rims (11), a plurality of vertical beams (15) and a plurality of cross beams (17), the plurality of peripheral rims (11) are sequentially connected to form an outer frame of the frame (10), two ends of each vertical beam (15) are respectively connected to the corresponding peripheral rims (11) and form a heat conduction connection, two ends of each cross beam (17) are respectively connected to the corresponding vertical beam (15) and the corresponding peripheral rims (11) and form a heat conduction connection, and the power box (30) and the vertical beams (15) form a heat conduction connection.
  7. 7. A display device as claimed in claim 6, characterized in that the frame (10) is provided with a frame relief, which frame relief comprises at least one of the following: A frame ridge (11 f) provided to the peripheral frame (11); A vertical beam ridge (15 f) provided to the vertical beam (15); and a beam ridge (17 f) provided to the beam (17).
  8. 8. A display device according to claim 7, characterized in that the power box (30) is located between two vertical beams (15), the power box (30) being detachably mounted to the two vertical beams (15) by means of a connection plate (39), the connection plate (39) being a metal piece which can be used for transferring heat of the power box to the vertical beams (15).
  9. 9. The display device according to claim 8, wherein the connection plate (39) is made of a sheet material and includes a first connection portion (46) detachably connected to the power supply box (30), a second connection portion (48) detachably connected to the frame (10), the first connection portion (46) and the second connection portion (48) forming an L-shaped bent portion, one of the first connection portion (46) and the second connection portion (48) allowing operation from the back side of the frame (10), the other allowing operation from the front side of the frame (10) allowing detachment of the power supply box (30) from both the front side and the back side of the frame (10).
  10. 10. A display device as claimed in claim 6, wherein adjacent peripheral rims (11) are detachably connected by means of corner pieces (13) and form a thermally conductive connection.

Description

Power supply box and display device using same Technical Field The utility model relates to the field of display devices, in particular to a power supply box and a display device using the same. Background Outdoor large-sized display screens are usually formed by splicing a plurality of display devices. Each display device comprises a frame, a plurality of display modules mounted to the frame, and a power supply box mounted to the frame, wherein the power supply box supplies power to the display modules. When the power supply box works, larger heat can be generated, if the heat is not dissipated in time, the service lives of the power supply box and the display device can be possibly influenced, and even potential safety hazards can be caused. Thus, an improvement is needed. Disclosure of utility model An object of the present application is to improve heat dissipation of a power supply box. Therefore, in a first aspect of the utility model, a power supply box is provided, comprising a box body and an upper cover, wherein the upper cover is installed at the opening end of the box body, the box body and the upper cover enclose a containing cavity, a circuit board assembly and a heat dissipation piece are installed in the containing cavity, the heat dissipation piece is abutted to a heating element of the circuit board assembly, and the heat dissipation piece is abutted to the inner wall of the box body and is in heat conduction connection with the box body so as to conduct heat of the circuit board assembly to the box body. In one embodiment of the utility model, the box body comprises a bottom plate a and a first side wall b extending upwards from the edge of the bottom plate a, and the upper cover can be buckled to the first side wall b. In one embodiment of the utility model, the box body is cuboid and comprises a bottom plate and first side walls extending upwards from the edge of the bottom plate, and the heat dissipation piece extends along the width direction of the box body and is abutted against the two first side walls in the width direction. In one embodiment of the utility model, the power supply box is provided with a heat dissipating rib provided to the upper cover and/or the box body. In one embodiment of the utility model, the heat dissipation piece comprises a main body and a plurality of heat dissipation fins extending from the main body, wherein the heat dissipation fins extend along the width direction of the box body and are in heat conduction connection with two first side walls in the width direction. In one embodiment of the utility model, the power box further comprises a connecting plate detachably connected to the box body, wherein the connecting plate can be connected to a frame of the display device, and the connecting plate is a metal piece and can be used for transmitting heat of the power box to the frame. In a second aspect of the present utility model, there is provided a display device comprising a frame for mounting a display module, and further comprising a power box provided in the first aspect of the present utility model, the power box being mounted to the frame and being in heat conductive connection with the frame, the power box being for powering the display module. In one embodiment of the utility model, the frame comprises a plurality of peripheral side frames, a plurality of vertical beams and a plurality of cross beams, wherein the peripheral side frames are sequentially connected to form an outer frame of the frame, two ends of each vertical beam are respectively connected to corresponding peripheral side frames and form heat conduction connection, two ends of each cross beam are respectively connected to corresponding vertical beams and peripheral side frames and form heat conduction connection, and the power supply box and the vertical beams form heat conduction connection. In one embodiment of the utility model, the frame is provided with a frame rib comprising at least one of a rim rib provided to the peripheral rim, a vertical beam rib provided to the vertical beam, and a cross beam rib provided to the cross beam. In one embodiment of the utility model, the power box is located between two vertical beams, the power box is detachably mounted to the two vertical beams through a connecting plate, and the connecting plate is a metal piece and can be used for transmitting heat of the power box to the vertical beams. In one embodiment of the utility model, the connecting plate is made of a sheet material and comprises a first connecting part detachably connected to the power supply box and a second connecting part detachably connected to the frame, wherein the first connecting part and the second connecting part form an L-shaped bending part, one of the first connecting part and the second connecting part allows operation from the back surface of the frame, and the other of the first connecting part and the second connecting part allows operation from the front