CN201902941U - Street lamp - Google Patents

Abstract

The utility model discloses a street lamp, this street lamp include fixed plate, control circuit board, transparent lamp shade and a plurality of light emitting source, transparent lamp shade with the fixed plate block is connected, just transparent lamp shade with the fixed plate cooperation forms one and accepts the chamber, control circuit board fixed mounting in accept the intracavity and be connected with external power supply electricity, the light emitting source is fixed in accept the intracavity, just the light emitting source with the control circuit board electricity is connected, wherein, the street lamp still includes a plurality of air vents, the air vent by transparent lamp shade to it stretches and forms to accept the protruding stretching in chamber, just the air vent runs through transparent lamp shade, so that accept chamber and external intercommunication. The utility model discloses a street lamp can effectively prevent form water smoke on the transparent lamp shade, improved the lighting quality of street lamp, enlarged the application range of street lamp.

Description

street light

technical field

The utility model relates to the field of lighting appliances, in particular to a street lamp.

Background technique

As a kind of lamps for road lighting, street lamps provide lighting for people to travel on darker roads or at night, making people's travel more convenient and safer, so they are widely used and can be seen everywhere in our daily life.

Now commonly used street lamps generally include a fixed plate, a control circuit board, a transparent lampshade and a number of light sources, and the fixed plate is fixedly connected with a lamp post standing on the ground to fix and carry the entire street lamp; the transparent lampshade is connected to the fixed plate and the transparent lampshade cooperates with the fixing plate to form a storage cavity; the control circuit board is fixedly installed in the storage cavity and is electrically connected with an external power supply to control the opening and closing of the street lamp; The light emitting source is fixed in the receiving cavity and adjacent to the transparent lampshade, and the light emitting source is electrically connected to the control circuit board. After power-on, the control circuit board controls the light emitting source to emit light to play a role lighting effect.

As we all know, street lamps are installed outdoors, and the transparent lampshade and the fixed plate are not sealed, so when encountering heavy wind and rain, rainwater will easily enter the storage cavity, and when the temperature rises, the The rainwater in the storage chamber will form mist and adhere to the transparent lampshade, thereby seriously affecting the lighting quality of the street lamp; similarly, the above-mentioned problems also exist in some places with large temperature differences.

Therefore, it is necessary to provide an improved street lamp to overcome the above defects.

Utility model content

The purpose of the utility model is to provide a street lamp, which can effectively prevent the formation of water mist on the transparent lampshade of the street lamp, improve the lighting quality of the street lamp, and expand the application range of the street lamp.

To achieve the above purpose, the utility model provides a street lamp, which includes a fixed plate, a control circuit board, a transparent lampshade and several light sources, the transparent lampshade is engaged with the fixed plate, and the transparent lampshade is connected to the fixed plate. The fixing plate cooperates to form a storage cavity, the control circuit board is fixedly installed in the storage cavity and is electrically connected to an external power supply, the light emitting source is fixed in the storage cavity, and the light emitting source is connected to the The control circuit board is electrically connected, wherein, the street lamp also includes a number of vent holes, the vent holes are formed by the transparent lampshade protruding toward the receiving cavity, and the vent holes pass through the transparent lampshade, so that all The accommodating chamber communicates with the outside world.

Preferably, the vent hole is funnel-shaped, and the inner diameter of the vent hole expands from the transparent lampshade to the receiving cavity. The shape of the vent hole makes it difficult for rainwater to enter the storage cavity through the vent hole even if there is rainwater adhering to the transparent lampshade, which reduces the risk of rainwater entering the storage cavity and forming water mist on the transparent lampshade. possibility.

Preferably, an air-permeable sheet is fixedly packaged at the end of the vent hole away from the transparent lampshade. The air-permeable sheet can allow gas to circulate freely inside and outside the storage cavity through the ventilation holes, without affecting the water mist generated in the storage cavity to flow out of the storage cavity with the air, and can effectively prevent external dust from passing through the storage cavity. The entry of the air hole into the receiving cavity affects the normal operation of the street lamp.

Preferably, the ventilation holes are arranged at both ends of the transparent lampshade. Since each light emitting source is installed in the middle of the receiving chamber, and there is no light emitting source installed at both ends of the receiving chamber, the ventilation hole does not affect the lighting effect of the light emitting source after emitting light.

Preferably, the light emitting source is an LED lamp.

Compared with the prior art, the street lamp of the present utility model is provided with a number of ventilation holes on the transparent lampshade, when water mist may be generated in the storage cavity due to the entry of rainwater or a large temperature difference in the environment, the resulting The water mist will be distributed out of the storage cavity through the air hole, so that it will not adhere to the transparent lampshade and affect the lighting effect of the street lamp, so the lighting effect of the street lamp of the present invention is better , not easily affected by the environment, and has a wider range of applications.

The utility model will become clearer through the following description in conjunction with the accompanying drawings, and these drawings are used to explain the embodiments of the utility model.

Description of drawings

Fig. 1 is a perspective view of the utility model street lamp.

Fig. 2 is a three-dimensional exploded view of the street lamp shown in Fig. 1 .

Fig. 3 is a cross-sectional view of the transparent lampshade.

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, the utility model provides a street lamp, which can effectively prevent the formation of water mist on the transparent lampshade, improve the lighting quality of the street lamp, and expand the application range of the street lamp.

Please refer to Fig. 1 and Fig. 2, street lamp 100 of the present utility model comprises: fixed plate 110, control circuit board 120, transparent lampshade 130, several light emitting sources and reflector 150, described light emitting source is LED (Light Emitting Diode, light emitting diode) ) lamp 140; the fixing plate 110 is fixedly installed on a lamp post (not shown) fixed on the ground to fix and carry the entire street lamp 100; the transparent lampshade 130 is engaged with the fixing plate 110, and The transparent lampshade 130 cooperates with the fixing plate 110 to form a receiving chamber 101; the control circuit board 120 is fixedly installed in the receiving chamber 101 and is electrically connected to an external power supply; the LED lamp 140 is fixed on the The receiving cavity 101 is electrically connected with the control circuit board 120, and the control circuit board 120 controls the operation of the LED lamp 140; the reflector 150 is fixed on the control circuit board 120, and the reflector 150 protrudes outward to form a plurality of reflectors 151, the LED lights 140 on the control circuit board 120 are correspondingly packaged in the reflectors 151, and the reflectors 151 reflect the light emitted by the LED lights 140, Therefore, the lighting effect of the street lamp 100 is better. In the embodiment of the present utility model, different numbers of street lamps 100 of the present utility model can be selected and used according to different lighting requirements or different intervals between lampposts, that is, multiple lampposts can be fixedly connected to one lamppost. Streetlight 100.

Specifically, please refer to Figure 3 again:

The fixing plate 110 is fixed on the lamppost, and the fixing plate 110 is also provided with a heat dissipation device (not shown in the figure), the heat dissipation device can effectively dissipate heat generated by the street lamp 100 during operation. The heat emitted by the LED lamp 140 prevents the heat emitted by the LED lamp 140 from accumulating on the control circuit board 120 and affecting the normal operation of the control circuit board 120 and the LED lamp 140. One end of the fixing plate 110 adjacent to the transparent lampshade 130 is recessed to form a plurality of engaging recesses 111 .

The control circuit board 120 is provided with an LED driving circuit, and the LED driving circuit is electrically connected to each of the LED lamps 140 . Since the normal working voltage of the LED lamp is low-voltage direct current, the commercial power cannot directly make the LED lamp work, so the LED drive circuit converts the commercial power into the low-voltage direct current required by the LED lamp to make the LED lamp 140 work normally. The specific value of the output voltage of the LED driving circuit can be specifically set according to the LED lamp it drives. The LED lamp 140 is fixed on the control circuit board 120 and is encapsulated in the reflector 151, so that the light emitted by the LED lamp 140 is reflected by the light emitting cover 151 and then passes through the reflector 151. The transparent lampshade 130 illuminates the road surface.

One end of the transparent lampshade 130 adjacent to the fixed block 110 is recessed to form a plurality of engaging recesses 131 , and one end is respectively bent inward to form an engaging block 102 for engaging with the fixing block 110 . The recess 111 engages with the engaging recess 131 of the transparent lampshade 130 , so that the transparent lampshade 130 is mounted on the fixing block 110 . A plurality of vent holes 132 are arranged at both ends of the transparent lampshade 130 (the housing chamber 101 is not equipped with LED lamps here), and each of the vent holes 132 protrudes from the transparent lampshade 130 to the housing chamber 101. and the vent hole 132 runs through the transparent lampshade 130, so that the storage cavity 101 communicates with the outside world, so that the outside atmosphere can freely enter and exit the storage cavity 101 through the vent hole 132, The water mist that may be generated in the storage cavity 101 will also be emitted to the outside of the storage cavity 101 through the vent hole 132, so that the water mist will not adhere to the transparent lampshade 130 and affect the lighting effect of the street lamp. . The vent hole 132 is funnel-shaped, and the inner diameter of the vent hole 132 expands from the transparent lampshade 130 to the receiving cavity 101, so that even if rainwater adheres to the transparent lampshade 130, it is difficult to pass through the vent hole 132 enters the receiving chamber 101 , reducing the possibility of rainwater entering the receiving chamber 101 and forming mist on the transparent lampshade 130 . Wherein the end of the air vent 132 away from the transparent lampshade 130 is also fixedly packaged with a breathable sheet 103 (see Figure 3 ), the breathable sheet 103 is loose in texture, so that the gas can pass through the air vent 132 in the accommodating cavity 101 can circulate freely inside and outside, without affecting the water mist generated in the storage cavity 101 to flow out of the storage cavity 101 with the air; at the same time, because the air-permeable sheet is packaged inside the ventilation hole 132, it can also effectively prevent external dust Entering into the receiving cavity 101 through the air hole 132 affects the normal operation of the street lamp 100 .

The specific structure, working process and working principle of the control circuit board 120 and the LED lamp 140 of the street lamp 100 of the present invention are well known to those skilled in the art, so no further description is given here.

The utility model has been described above in conjunction with the best embodiments, but the utility model is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations based on the essence of the utility model.

Claims (5)

1. street lamp, comprise fixed head, control circuit board, Transparent lamp shade and some light emitting sources, described Transparent lamp shade and described fixed head engagement connection, and described Transparent lamp shade cooperates formation one host cavity with described fixed head, described control circuit board is fixedly installed in the described host cavity and with extraneous power supply and is electrically connected, described light emitting source is fixed in the described host cavity, and described light emitting source is electrically connected with described control circuit board, it is characterized in that, also comprise some passages, described passage is protruded out and forms to described host cavity by described Transparent lamp shade, and described passage runs through described Transparent lamp shade, so that described host cavity is in communication with the outside.

2. street lamp as claimed in claim 1 is characterized in that described passage is infundibulate, and the interior described without leave Transparent lamp shade of described passage is expanded to described host cavity.

3. street lamp as claimed in claim 2 is characterized in that, described passage away from an end of described Transparent lamp shade also fixed sealing one ventail is housed.

4. street lamp as claimed in claim 1 is characterized in that described passage is arranged at the two ends of described Transparent lamp shade.

5. street lamp as claimed in claim 1 is characterized in that, described light emitting source is the LED lamp.

Images