CN108087805B - Landscape lamp - Google Patents

Abstract

The invention discloses a landscape lamp, which comprises a lampshade, a column and an anchor rod installed at the lower end of the column. The lampshade is fixed to the upper end of the column through an oblique rod. The middle part of the lower end of the lampshade is provided with an upward boss. The concave cavity has a lamp holder fixed on the inner top of the concave cavity, a light bulb is installed on the lamp holder, a light guide plate is installed at the bottom of the concave cavity, a sleeve is arranged inside the lamp shade, a top plate is installed on the upper end of the lamp shade, and a Heat dissipation holes, a cover plate is arranged above the heat dissipation holes, a rain sensor is installed on the top of the cover plate, an air inlet hole is arranged at the bottom of the annular groove, a first ventilation hole is arranged on the side wall of the boss, and a first ventilation hole is arranged on the top of the boss There is a second ventilation hole, the side wall of the sleeve is provided with a first air guide hole, the top of the sleeve is provided with a second air guide hole, and the side wall of the lampshade is provided with an air outlet; , can prevent the bulb from being damaged due to overheating, and can prolong the service life of the bulb.

Description

landscape lights

technical field

The invention belongs to the technical field of lighting devices and relates to a landscape lamp.

Background technique

The landscape lamp is a device commonly used for lighting in the park. It generally includes a lampshade, a column and an anchor rod installed at the lower end of the column. The lampshade is fixed to the upper end of the column through several diagonal bars distributed in the circumferential direction, and a light bulb is installed in the lampshade; however At present, the inner space of the lampshade in the landscape lamp is generally a closed structure, and the power of the bulb in the landscape lamp is generally large, and the bulb in the landscape lamp is in the state of being lit for a long time. The disadvantage of poor effect can easily lead to damage to the bulb.

Contents of the invention

In order to solve the above problems, the present invention designs a landscape lamp, which can realize reliable heat dissipation of the bulb inside the landscape lamp, thereby avoiding damage to the bulb due to overheating and prolonging the service life of the bulb.

The purpose of the present invention is achieved like this:

The landscape lamp of the present invention includes a lampshade, a column and an anchor rod installed at the lower end of the column. The lampshade is fixed to the upper end of the column through several diagonal bars distributed in the circumferential direction. The interior of the lampshade is provided with a cavity with an open upper end. The middle part of the lower end of the lampshade There is an upward convex platform, and a concave cavity with an open lower end is arranged in the convex platform, a lamp holder is fixed on the inner top of the concave cavity, a light bulb is installed on the lamp holder, a light guide plate is installed on the bottom of the concave cavity, and the inner wall of the convex platform and the lampshade An annular groove is formed between them, a sleeve with an open lower end and a cavity is provided inside the lampshade, the lower end of the vertical side of the sleeve is inserted into the annular groove, and an electric telescopic rod is fixed on the outer top of the boss , the piston rod of the electric telescopic rod is threadedly connected with a push rod, the push rod moves through the sleeve and protrudes outside the sleeve, and the outer wall of the push rod inside the sleeve is provided with an annular flange for supporting the sleeve, The outer thread of the push rod above the sleeve is connected with a nut for compressing the sleeve. A top plate is installed on the upper end of the lampshade, and a heat dissipation hole is arranged in the middle of the top plate. Cover plate, the middle part of the inner top of the cover plate is threadedly connected with the upper end of the push rod, the top of the cover plate is equipped with a rain sensor, the inside of the column is equipped with a controller, the lamp holder, the electric telescopic rod and the rain sensor are all electrically connected to the controller, The bottom of the annular groove is provided with several air inlet holes distributed in the circumferential direction, the side wall of the boss is provided with several first ventilation holes distributed in the circumferential direction and communicated with the concave cavity, and the top of the boss is provided with A number of second ventilation holes distributed in the circumferential direction and communicated with the cavity, a number of first air guide holes distributed in the circumferential direction and communicated with the cavity are provided on the side wall of the sleeve, and the top of the sleeve is provided with There are several second air guide holes distributed in the circumferential direction and communicated with the cavity, and the side wall of the lampshade is provided with an air outlet hole for communicating with the first air guide hole after the cover plate closes the cooling holes.

In the landscape lamp of the present invention, the inner wall of the heat dissipation hole is provided with an upward annular flange, and the outer peripheral wall of the cover plate is provided with an annular bent edge for fitting outside the annular flange after the cover plate closes the heat dissipation hole; Through the arrangement of the annular flange and the annular bending edge, after the cover plate and the top plate are closed, rainwater can be prevented from entering the lampshade.

In the landscape lamp of the present invention, the air outlet hole gradually slopes downward from the inside to the outside; by setting the air outlet hole as a structure that gradually slopes downward from the inside to the outside, it is possible to prevent rainwater from entering the lampshade through the air outlet hole middle.

In the landscape lamp of the present invention, the first ventilation hole is gradually inclined upward from the outside to the inside; by setting the first ventilation hole to a structure that gradually slopes upward from the outside to the inside, in this way, the cold air in the external environment can be more conveniently Enter into the concave cavity through the air inlet hole and the first ventilation hole, so as to better realize the heat dissipation of the bulb.

In the landscape lamp of the present invention, an annular step is arranged on the inner wall of the concave cavity, and the light guide plate is embedded in the annular step and fixed with the lampshade by the first bolt; by adopting this method to fix the light guide plate, it is convenient to fix the light guide plate The advantages.

In the landscape lamp of the present invention, the outer peripheral wall of the top plate is provided with a downward annular edging, and the annular edging is set on the outside of the lampshade and fixed with the lampshade by the second bolt; by using this method to fix the top plate, the top plate has It has the advantages of convenient fixing and can prevent rainwater from entering the lampshade.

After adopting the above-mentioned structure, the present invention can realize reliable heat dissipation of the light bulb inside the lampshade no matter in rainy day or sunny day, thereby avoiding damage to the light bulb due to overheating and prolonging the service life of the light bulb.

Description of drawings

Fig. 1 is a partial sectional structural representation of the present invention;

Fig. 2 is the enlarged schematic view of the structure at A in Fig. 1;

Fig. 3 is the schematic diagram of the enlarged structure of place B in Fig. 1;

Fig. 4 is a schematic cross-sectional structure diagram after the cover plate is separated from the top plate and the oblique rod, column and anchor rod are removed.

Detailed ways

The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

A landscape lamp, comprising a lampshade 1, a column 2 and an anchor rod 3 installed at the lower end of the column 2, the lampshade 1 is fixed to the upper end of the column 2 through several oblique rods 4 distributed in the circumferential direction, and the interior of the lampshade 1 is provided with a The cavity 11, the middle part of the lower end of the lampshade 1 is provided with an upward boss 12, the boss 12 is provided with a concave cavity 13 with an open lower end, the inner top of the concave cavity 13 is fixed with a lamp holder 5, and a light bulb is installed on the lamp holder 5 51, the bottom of the concave cavity 13 is equipped with a light guide plate 6, and an annular groove 14 is formed between the boss 12 and the inner wall of the lampshade 1. The inside of the lampshade 1 is provided with a sleeve 7 with a lower end opening and a cavity 71 inside. The lower end of the vertical edge 72 of the tube 7 is inserted in the annular groove 14, and the outer top of the boss 12 is fixed with an electric telescopic rod 8, and the piston rod of the electric telescopic rod 8 is threaded with a push rod 9, and the push rod 9 is movable. After passing through the sleeve 7, it protrudes outside the sleeve 7. The outer wall of the push rod 9 inside the sleeve 7 is provided with an annular flange 91 for supporting the sleeve 7. The outside of the push rod 9 above the sleeve 7 A nut 92 for pressing the sleeve 7 is threadedly connected. A top plate 10 is installed on the upper end of the lampshade 1. A heat dissipation hole 101 is arranged in the middle of the top plate 10. A cover for closing the heat dissipation hole 101 is arranged above the heat dissipation hole 101 when it rains. Plate 111, the inner top middle part of the cover plate 111 is threadedly connected with the upper end of the push rod 9, the top of the cover plate 111 is equipped with a rain sensor 121, the inside of the column 2 is equipped with a controller 131, a lamp holder 5, an electric telescopic rod 8 and a rainwater sensor. The sensors 121 are all electrically connected to the controller 131, and the bottom of the annular groove 14 is provided with several circumferentially distributed air inlets 15, and the side wall of the boss 12 is provided with several circumferentially distributed air inlets 15 which are connected with the concave cavity. 13 communicated with the first ventilation hole 16, the top of the boss 12 is provided with several second ventilation holes 17 distributed in the circumferential direction and communicated with the concave cavity 13, and the side wall of the sleeve 7 is provided with several circumferentially distributed The first air guide holes 72 are distributed and communicated with the cavity 71. The top of the sleeve 7 is provided with several second air guide holes 73 distributed in the circumferential direction and communicated with the cavity 71. On the side wall of the lampshade 1 The air outlet hole 18 used to communicate with the first air guide hole 72 after the cover plate 111 closes the heat dissipation hole 101 is provided; after adopting the above structure, when the controller lights up the bulb and when it is not raining, the rain sensor detects When there is no rain, the electric telescopic rod stretches under the control of the controller. At this time, the cover plate is lifted up, the cover plate is separated from the top plate, and an air outlet channel is formed between the cover plate and the top plate, and the air in the external environment passes through the air in turn. hole and the first ventilation hole into the concave cavity, the air entering the concave cavity realizes heat exchange with the bulb, and realizes heat dissipation to the bulb, and then the air in the concave cavity can pass through the second ventilation hole, the second guide The air hole and the air outlet channel between the cover plate and the top plate are discharged to the external environment, so that the heat dissipation of the bulb can be realized. After the cover plate is lifted, the first air guide hole is sealed by the side wall of the lampshade. When the controller lights up the bulb and it is raining, the rain sensor detects that it is raining, and then the rain sensor transmits an electrical signal to the controller to inform the controller At this time, the weather starts to rain, and the controller controls the electric telescopic rod to shrink. At this time, the cover plate is connected to the top plate, and the air in the external environment enters the concave cavity through the air inlet hole and the first ventilation hole successively, and then enters the concave cavity. The air in the cavity realizes the heat exchange with the bulb to realize the heat dissipation of the bulb, and then the air in the concave cavity can be discharged to the external environment through the second ventilation hole, the first air guide hole and the air outlet hole in turn, so that, The heat dissipation of the light bulb can be realized; by adopting the above structure, when the controller lights up the light bulb, when the weather is not raining, the heat emitted by the light bulb can be dissipated from the top of the lampshade, thereby realizing the heat dissipation of the light bulb. Reliable heat dissipation, when the weather is raining, the heat emitted by the bulb can be dissipated from the side of the lampshade, thereby improving the heat dissipation effect on the bulb compared with the traditional landscape lamp; it should be noted that the used in the present invention The rain sensor is a common sensor on the market, and its model has various types. As long as the present invention can realize the detection of rain, the rain sensor is the prior art so it will not be described in detail here; the controller used in the present invention only needs to be based on The rain sensor detects whether it is raining or not to control the extension or contraction of the electric telescopic rod, that is, the rain sensor transmits the electrical signal of rain or not to the controller, and the controller drives the electric telescopic rod when it is raining To shrink, it is enough to drive the electric telescopic rod to extend when the weather is not raining. The control principle is very simple. For example, only the smallest system of single chip microcomputer is needed to realize the control of the electric telescopic rod. existing technology, so it will not be repeated here.

The inner wall of the heat dissipation hole 101 is provided with an upward annular flange 102, and the outer peripheral wall of the cover plate 111 is provided with an annular bent edge 112 for fitting outside the annular flange 102 after the cover plate 111 closes the heat dissipation hole 101; The arrangement of the ring flange and the ring bend can prevent rainwater from entering the lampshade after the cover plate and the top plate are closed.

The air outlet hole 18 gradually slopes downward from the inside to the outside; by setting the air outlet hole to a structure that gradually slopes downward from the inside to the outside, rainwater can be prevented from entering the lampshade through the air outlet.

The first ventilation hole 16 is gradually inclined upward from the outside to the inside; by setting the first ventilation hole to a structure that gradually slopes upward from the outside to the inside, the cold air in the external environment can pass through the air inlet and the first ventilation hole more conveniently. The ventilation hole enters into the concave cavity, so that the heat dissipation of the bulb can be realized better.

An annular step 19 is provided on the inner wall of the concave cavity 13, and the light guide plate 6 is embedded in the annular step 19 and fixed with the lampshade 1 by the first bolt 61; by using this method to fix the light guide plate, it has the advantage of convenient fixing of the light guide plate .

The outer peripheral wall of the top plate 10 is provided with a downward annular wrapping 103, and the annular wrapping 103 is set on the outside of the lampshade 1 and fixed with the lampshade 1 by the second bolt 104; by using this method to fix the top plate, it is convenient to fix the top plate Advantages, and can prevent rainwater from entering the lampshade.

The upper end of anchor rod 3 is provided with supporting platform 31, and the top of supporting platform 31 is provided with the jack 32 that can insert the lower end of column 2, and the sidewall of supporting platform 31 is provided with several and is circumferentially distributed and is connected with jack. 32 communicated with the through hole 33, the through hole 33 is provided with a "["-shaped clamping piece 201 for clamping the anchor rod 3 and the column 2, and one end of the clamping piece 201 is provided on the outer wall of the column 2 The snap-in annular slot 21, the inner side wall of the support table 31 is provided with a slideway 34 that can be inserted into the other end of the clamping part 201, and a slideway 34 for pushing is embedded between the end of the slideway 34 and the clamping part 201. The clamping part 201 is used to make the clamping part 201 break away from the spring 202 of the annular clamping groove 21, and the outer end of the through hole 33 is threadedly connected with the clamping part 201 so that the clamping part 201 locks the anchor rod 3 and the column 2 of the screw 203, the outer end of the through hole 33 is provided with a countersunk head 35 for the screw 203 to be embedded; after adopting this structure, the clamping member can achieve reliable clamping of the column and the anchor rod, and the clamping Fasteners and screws are embedded in the through holes and countersunk heads, so that the screws can be avoided from being exposed, thereby avoiding the phenomenon that the screws stumble pedestrians; through the setting of the spring, after the screw is unscrewed, the spring can The clamping part is pushed to move outward, so that the clamping part can be separated from the column and the anchor rod, so that after the screw is unscrewed, the clamping part can automatically unlock the column and the anchor rod.

The inner wall of the upper end of the jack 32 is provided with an annular guide surface 36 that can be guided in cooperation with the column 2 to facilitate the insertion of the column 2 into the jack 32; through the setting of the annular guide surface, during the insertion of the column into the jack, The column can cooperate with the annular guide surface to facilitate the insertion of the column into the socket.

One end of the clamping member 201 located at the annular groove 21 is provided with a guiding slope 204 that can cooperate with the annular groove 21 to facilitate the end of the clamping member 201 to snap into the annular groove 21; through the setting of the guiding slope, the When one end of the clamping part is located in the annular clamping groove and is clamped into the circular clamping groove, it can cooperate with the annular clamping groove to facilitate the clamping part to be clamped into the annular clamping groove.

It should be noted that in the above embodiments, as long as the technical solutions that are not contradictory can be permutated and combined, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of permutations and combinations. The solutions will be described one by one, but it should be understood that the technical solutions after permutation and combination have been disclosed by the present invention.

It should be noted that what is listed above is only a specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible.

In a word, all deformations that can be directly derived or associated by those skilled in the art from the content disclosed in the present invention should be considered as the protection scope of the present invention.

Claims (1)

1. A landscape lamp, comprising a lampshade (1), a column (2) and an anchor rod (3) installed at the lower end of the column (2), the lampshade (1) passes through several oblique rods (4) distributed in the circumferential direction ) is fixed to the upper end of the column (2), and it is characterized in that: the interior of the lampshade (1) is provided with a cavity (11) with an upper end opening, and the middle part of the lower end of the lampshade (1) is provided with an upward boss (12) , the boss (12) is provided with a cavity (13) with an open lower end, a lamp holder (5) is fixed on the inner top of the cavity (13), and a bulb is installed on the lamp holder (5) (51), the bottom of the concave cavity (13) is equipped with a light guide plate (6), an annular groove (14) is formed between the boss (12) and the inner wall of the lampshade (1), and the lampshade (1 ) is provided with a sleeve (7) with a lower end opening and a cavity (71) inside, the lower end of the vertical side (72) of the sleeve (7) is inserted in the annular groove (14), the An electric telescopic rod (8) is fixed on the outer top of the boss (12), and a push rod (9) is threaded on the piston rod of the electric telescopic rod (8), and the push rod (9) moves through the sleeve The sleeve (7) extends out of the sleeve (7), and the outer wall of the push rod (9) inside the sleeve (7) is provided with an annular flange (91) for supporting the sleeve (7). The outer thread of the push rod (9) above the sleeve (7) is connected with a nut (92) for pressing the sleeve (7), and a top plate (10) is installed on the upper end of the lampshade (1), and the top plate ( 10) is provided with a cooling hole (101) in the middle, and a cover plate (111) for closing the cooling hole (101) when it rains is arranged above the cooling hole (101), and the inner surface of the cover plate (111) The middle part of the top is threadedly connected with the upper end of the push rod (9), the rain sensor (121) is installed on the top of the cover plate (111), the controller (131) is installed inside the column (2), and the lamp holder (5), the electric telescopic rod (8) and the rain sensor (121) are all electrically connected with the controller (131), and the bottom of the annular groove (14) is provided with several circumferentially distributed air inlet holes (15 ), the side wall of the boss (12) is provided with several first ventilation holes (16) that are circumferentially distributed and communicated with the cavity (13), and the top of the boss (12) is provided with Several second ventilation holes (17) distributed in the circumferential direction and communicated with the cavity (13) are provided on the side wall of the sleeve (7). ) communicated with the first air guide hole (72), the top of the sleeve (7) is provided with several second air guide holes (73) distributed in the circumferential direction and communicated with the cavity (71), the The side wall of the lampshade (1) is provided with an air outlet hole (18) for communicating with the first air guide hole (72) after the cover plate (111) closes the heat dissipation hole (101), and the heat dissipation hole (101) An upward annular flange (102) is provided on the inner wall of the cover plate (111), and a cooling hole (1 01) is used to cover the ring-shaped bending edge (112) outside the ring-shaped flange (102), the air outlet hole (18) is gradually inclined downward from the inside to the outside, and the first ventilation hole (16) is from the outside to the outside The inner wall is gradually inclined upwards, and the inner wall of the concave cavity (13) is provided with an annular step (19), and the light guide plate (6) is embedded in the annular step (19) and connected with the lampshade ( 1) Fixing, the outer peripheral wall of the top plate (10) is provided with a downward annular wrapping edge (103), and the annular wrapping edge (103) is sleeved on the outside of the lampshade (1) and passed through the second bolt (104) Secure with lampshade (1).