CN212901411U

CN212901411U - Lighting device for exhibition hall

Info

Publication number: CN212901411U
Application number: CN202021782638.2U
Authority: CN
Inventors: 肖付金
Original assignee: Shenzhen Lishen Exibition Co ltd
Current assignee: Shenzhen Lishen Exibition Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-06
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a lighting device for exhibition hall, including lamp body, lamp shade and mounting panel, the bottom of lamp body is connected with the top block of lamp shade, the inner wall of lamp body top is fixed and is equipped with the metal sheet, four avris of metal sheet bottom all are connected with same lamp piece through the magnetic column, the middle part of lamp body top is inlayed and is equipped with and leads the cold plate, the top fixed mounting that leads the cold plate has heat dissipation mechanism, the top of lamp body is fixed and is equipped with the protecting crust coaxial with leading the cold plate, the top of protecting crust is through bolt fixedly connected with top cap; the utility model has the advantages that: the utility model relates to a lighting device in exhibition room, through setting up the semiconductor refrigeration piece, the cold junction of semiconductor refrigeration piece can transmit low temperature to leading the cold drawing, through leading the inside cooling of cold drawing to the lamp body, can dispel the heat to the lamp piece, can avoid the inside long-pending heat of lamp body, reduces the life of lamp piece, through setting up the heat dissipation fan, can discharge the heat that the hot junction of semiconductor refrigeration piece produced.

Description

Lighting device for exhibition hall

Technical Field

The utility model relates to a lighting device, in particular to lighting device in exhibition room belongs to lamps and lanterns technical field.

Background

The light that the exhibition room was used is the LED lamp mostly, the LED lamp is the lighting source of the next generation behind the compact fluorescent lamp, be a solid-state semiconductor device, it can be directly turns into light to the electricity, the LED electricity-saving lamp is with high-brightness white emitting diode light emitting source, the light efficiency is high, power consumptive few, the radiating efficiency is low under the condition of continuous use for the present common light of exhibition room, lead to the light heat accumulation easily, reduce its life, and the present common light of exhibition room is with the light height of being not convenient for adjust, be difficult to be applicable to not co-altitude show product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lighting device in exhibition room to solve the present common for exhibition room light that proposes in the above-mentioned background art radiating efficiency under the condition of continuous use low, lead to the problem of the long-pending heat of light easily.

In order to achieve the above object, the utility model provides a following technical scheme: a lighting device for an exhibition hall comprises a lamp shell, a lamp shade and a mounting plate, wherein the bottom end of the lamp shell is connected with the top end of the lamp shade in a clamping manner, a metal plate is fixedly arranged on the inner wall of the top end of the lamp shell, four side edges of the bottom end of the metal plate are connected with the same lamp piece through magnetic columns, a cold guide plate is embedded in the middle of the top end of the lamp shell, a heat dissipation mechanism is fixedly arranged at the top end of the cold guide plate, a protective shell coaxial with the cold guide plate is fixedly arranged at the top end of the lamp shell, a top cover is fixedly connected to the top end of the protective shell through bolts, a telescopic sleeve is fixedly connected to the middle of the top end of the top cover through a reinforcing plate, a cylinder is fixedly arranged at the top end of the telescopic sleeve, a threaded hole is formed in the middle of the cylinder, a telescopic mechanism is slidably connected to, four mounting holes are formed in the front face of the mounting plate and the top end of the hanging plate, and a switch panel is fixedly arranged in the middle of the front face of the mounting plate.

As an optimal technical scheme of the utility model, heat dissipation mechanism includes semiconductor refrigeration piece, fin and heat dissipation fan, the cold junction of semiconductor refrigeration piece and the top fixed connection who leads the cold drawing, the hot junction of semiconductor refrigeration piece and the bottom fixed connection of fin, the top of fin and the bottom fixed connection of heat dissipation fan, the heat dissipation fan is established ties each other with the semiconductor refrigeration piece.

As a preferred technical scheme of the utility model, telescopic machanism includes guide block, first threaded rod, connecting rod and second threaded rod, the inner wall sliding connection of guide block and flexible cover, the fixed first threaded rod that is equipped with in top of guide block, the bottom fixed connection of connecting rod and second threaded rod is passed through on the top of first threaded rod, the connecting rod alternates with the screw hole and is connected, the top of second threaded rod and the middle part fixed connection of hanger plate bottom.

As a preferred technical scheme of the utility model, the air intake has all been seted up to the positive bottom of protecting crust and the bottom at the back, the air exit, two have all been seted up to the both sides on top cap top the surface of air intake and the equal fixed cover in surface of two air exits have dust mesh.

As an optimal technical scheme of the utility model, the bottom mounting of hanger plate is equipped with the lag, the lag is coaxial with flexible cover.

As an optimal technical scheme of the utility model, flush mounting plate's surface is equipped with lamp piece switch and semiconductor refrigeration piece switch respectively, lamp piece and semiconductor refrigeration piece are respectively through lamp piece switch and semiconductor refrigeration piece switch and power electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a lighting device in exhibition room, through setting up the semiconductor refrigeration piece, the cold junction of semiconductor refrigeration piece can transmit low temperature to leading the cold drawing, through leading the inside cooling of cold drawing to the lamp body, can be to the lamp piece heat dissipation, can avoid the inside heat accumulation of lamp body, reduce the life of lamp piece, through setting up the heat dissipation fan, can discharge the heat that the hot junction of semiconductor refrigeration piece produced, through setting up air intake and air exit, ventilation effect is good; through the inner wall sliding connection with guide block and flexible cover, can guarantee the laminating degree between guide block and the flexible cover inner wall, thereby can keep the straightness that hangs down of connecting rod, the connecting rod is difficult for inclining, through rotating lamp body with first threaded rod and screw hole threaded connection, flexible cover can extend, the lamp body is rotated in the opposite direction, can make second threaded rod and screw hole threaded connection, shrink flexible cover, be convenient for adjust the height of lamp body through this kind of mode, thereby can adjust the illumination height of lamp piece, can be applicable to the show product of not co-altitude.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the lamp housing of the present invention;

fig. 3 is a schematic structural view of the heat dissipation mechanism of the present invention;

fig. 4 is a schematic structural diagram of the telescopic mechanism of the present invention.

In the figure: 1. a lamp housing; 2. a lamp shade; 3. a metal plate; 4. a magnetic column; 5. a lamp sheet; 6. a cold conducting plate; 7. a heat dissipation mechanism; 71. a semiconductor refrigeration sheet; 72. a heat sink; 73. a heat dissipation fan; 8. a protective shell; 9. a top cover; 10. an air inlet; 11. an air outlet; 12. a reinforcing plate; 13. a telescopic sleeve; 14. a threaded hole; 15. a telescoping mechanism; 151. a guide block; 152. a first threaded rod; 153. a connecting rod; 154. a second threaded rod; 16. a hanger plate; 17. a protective sleeve; 18. mounting a plate; 19. a switch panel.

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. 1-4, the utility model provides a lighting device for exhibition hall, which comprises a lamp housing 1, a lampshade 2 and a mounting plate 18, wherein the bottom end of the lamp housing 1 is connected with the top end of the lampshade 2 in a clamping manner, a metal plate 3 is fixed on the inner wall of the top end of the lamp housing 1, four lateral sides of the bottom end of the metal plate 3 are connected with a same lamp piece 5 through magnetic columns 4, a cold guide plate 6 is embedded in the middle of the top end of the lamp housing 1, a heat dissipation mechanism 7 is fixedly installed on the top end of the cold guide plate 6, a protective shell 8 coaxial with the cold guide plate 6 is fixedly arranged on the top end of the lamp housing 1, a top cover 9 is fixedly connected with the top end of the protective shell 8 through bolts, an expansion sleeve 13 is fixedly connected with the middle of the top end of the top cover 9 through a reinforcing plate 12, a cylinder is fixed on the top end of the expansion sleeve 13, a threaded hole, the telescopic mechanism 15 is fixedly connected with a hanging plate 16 at the top of one end extending out of the cylinder, four mounting holes are formed in the front of the mounting plate 18 and the top end of the hanging plate 16, and a switch panel 19 is fixedly arranged in the middle of the front of the mounting plate 18.

Preferably, the heat dissipation mechanism 7 comprises a semiconductor refrigeration piece 71, a heat dissipation piece 72 and a heat dissipation fan 73, the cold end of the semiconductor refrigeration piece 71 is fixedly connected with the top end of the cold guide plate 6, the hot end of the semiconductor refrigeration piece 71 is fixedly connected with the bottom end of the heat dissipation piece 72, the top end of the heat dissipation piece 72 is fixedly connected with the bottom end of the heat dissipation fan 73, the heat dissipation fan 73 and the semiconductor refrigeration piece 71 are connected in series, by arranging the semiconductor refrigeration piece 71, the cold end of the semiconductor refrigeration piece 71 can transfer low temperature to the cold guide plate 6, the interior of the lamp housing 1 is cooled by the cold guide plate 6, heat dissipation can be performed on the lamp piece 5, heat accumulation in the lamp housing 1 can be avoided, the service life of the lamp piece 5 is shortened, and by arranging the heat dissipation fan 73, heat generated by the hot; the telescopic mechanism 15 comprises a guide block 151, a first threaded rod 152, a connecting rod 153 and a second threaded rod 154, the guide block 151 is slidably connected with the inner wall of the telescopic sleeve 13, the first threaded rod 152 is fixedly arranged at the top end of the guide block 151, the top end of the first threaded rod 152 is fixedly connected with the bottom end of the second threaded rod 154 through the connecting rod 153, the connecting rod 153 is connected with the threaded hole 14 in an inserting manner, the top end of the second threaded rod 154 is fixedly connected with the middle part of the bottom end of the hanger plate 16, the fit degree between the guide block 151 and the inner wall of the telescopic sleeve 13 can be ensured by slidably connecting the guide block 151 with the inner wall of the telescopic sleeve 13, so that the verticality of the connecting rod 153 can be kept, the connecting rod 153 is not easy to incline, the first threaded rod 152 is connected with the threaded hole 14 through rotating the lamp housing 1, the telescopic sleeve 13 can be extended, the telescopic sleeve 13 is contracted, so that the height of the lamp shell 1 can be conveniently adjusted, the illumination height of the lamp sheet 5 can be adjusted, and the telescopic sleeve is suitable for display products with different heights; the front bottom and the back bottom of the protective shell 8 are both provided with air inlets 10, the two sides of the top end of the top cover 9 are both provided with air outlets 11, the surfaces of the two air inlets 10 and the surfaces of the two air outlets 11 are both fixedly covered with dustproof net pieces, through the arrangement of the air inlets 10 and the air outlets 11, the ventilation effect is good, and external dust is not easy to enter the protective shell 8 through the dustproof net pieces; a protecting sleeve 17 is fixedly arranged at the bottom end of the hanging plate 16, the protecting sleeve 17 is coaxial with the telescopic sleeve 13, and the second threaded rod 154 can be protected by arranging the protecting sleeve 17; the surface of the switch panel 19 is respectively provided with a lamp piece switch and a semiconductor refrigeration piece switch, the lamp piece 5 and the semiconductor refrigeration piece 71 are respectively electrically connected with a power supply through the lamp piece switch and the semiconductor refrigeration piece switch, and the lamp piece 5 and the semiconductor refrigeration piece 71 can be conveniently and respectively controlled through the lamp piece switch and the semiconductor refrigeration piece switch.

When the lighting device is used, firstly, the hanging plate 16 and the mounting plate 18 are respectively mounted through the mounting hole of the hanging plate 16 and the mounting hole of the mounting plate 18, the lamp sheet switch is opened, the display product is illuminated through the lamp sheet 5, when the illumination height of the lamp sheet 5 needs to be adjusted, the first threaded rod 152 is in threaded connection with the threaded hole 14 by rotating the lamp housing 1, the telescopic sleeve 13 can be extended, the lamp housing 1 is rotated in the opposite direction, the second threaded rod 154 can be in threaded connection with the threaded hole 14, the telescopic sleeve 13 is contracted, the height of the lamp housing 1 can be conveniently adjusted by the way, so that the illumination height of the lamp sheet 5 can be adjusted, the lighting device is suitable for display products with different heights, if the lamp sheet 5 is used continuously, the semiconductor sheet switch is opened, the cold end of the semiconductor sheet 71 of which can be TEC1-12706 can transmit low temperature to the cold guide plate 6, through leading cold plate 6 to the inside cooling of lamp body 1, can dispel the heat to lamp piece 5, can avoid the inside accumulated heat of lamp body 1, reduce lamp piece 5's life, through setting up heat dissipation fan 73, can discharge the heat that the hot junction of semiconductor refrigeration piece 71 produced, through setting up air intake 10 and air exit 11, ventilation effect is good.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 lighting device for the exhibition hall comprises a lamp shell (1), a lamp shade (2) and a mounting plate (18), and is characterized in that the bottom end of the lamp shell (1) is connected with the top end of the lamp shade (2) in a clamping manner, a metal plate (3) is fixedly arranged on the inner wall of the top end of the lamp shell (1), four lateral sides of the bottom end of the metal plate (3) are connected with the same lamp piece (5) through a magnetic column (4), a cold guide plate (6) is embedded in the middle of the top end of the lamp shell (1), a heat dissipation mechanism (7) is fixedly arranged at the top end of the cold guide plate (6), a protective shell (8) coaxial with the cold guide plate (6) is fixedly arranged at the top end of the lamp shell (1), a top cover (9) is fixedly connected with the top end of the protective shell (8) through a bolt, a telescopic sleeve (13) is fixedly connected with the middle of the top end of the top cover (9) through, threaded hole (14) are seted up at the columniform middle part, the inner wall sliding connection of flexible cover (13) has telescopic machanism (15), and the middle part and threaded hole (14) of telescopic machanism (15) alternate and be connected, telescopic machanism (15) stretch out columniform one end top fixedly connected with hanger plate (16), four mounting holes have all been seted up on the front of mounting panel (18) and the top of hanger plate (16), mounting panel (18) positive middle part is fixed and is equipped with flush mounting plate of switch (19).

2. A lighting device for exhibition halls according to claim 1, characterized in that: heat dissipation mechanism (7) include semiconductor refrigeration piece (71), fin (72) and heat dissipation fan (73), the cold junction of semiconductor refrigeration piece (71) and the top fixed connection of leading cold plate (6), the hot junction of semiconductor refrigeration piece (71) and the bottom fixed connection of fin (72), the top of fin (72) and the bottom fixed connection of heat dissipation fan (73), heat dissipation fan (73) and semiconductor refrigeration piece (71) establish ties each other.

3. A lighting device for exhibition halls according to claim 1, characterized in that: telescopic machanism (15) include guide block (151), first threaded rod (152), connecting rod (153) and second threaded rod (154), the inner wall sliding connection of guide block (151) and flexible cover (13), the fixed first threaded rod (152) that is equipped with in top of guide block (151), the bottom fixed connection of connecting rod (153) and second threaded rod (154) is passed through on the top of first threaded rod (152), connecting rod (153) alternate with screw hole (14) and are connected, the middle part fixed connection of the top of second threaded rod (154) and hanger plate (16) bottom.

4. A lighting device for exhibition halls according to claim 1, characterized in that: air intake (10) have all been seted up to the positive bottom of protecting crust (8) and the bottom at the back, air exit (11), two have all been seted up to the both sides on top cap (9) top the surface of air intake (10) and the surface of two air exits (11) all fixed cover have dust mesh.

5. A lighting device for exhibition halls according to claim 1, characterized in that: the bottom end of the hanger plate (16) is fixedly provided with a protective sleeve (17), and the protective sleeve (17) is coaxial with the telescopic sleeve (13).

6. A lighting device for exhibition halls according to claim 1, characterized in that: the surface of the switch panel (19) is respectively provided with a lamp piece switch and a semiconductor refrigeration piece switch, and the lamp piece (5) and the semiconductor refrigeration piece (71) are respectively electrically connected with a power supply through the lamp piece switch and the semiconductor refrigeration piece switch.