CN111998287A

CN111998287A - Street lamp

Info

Publication number: CN111998287A
Application number: CN202011062892.XA
Authority: CN
Inventors: 朱飞彪; 王红霞; 马东元; 王明波
Original assignee: Ningbo Outlux Electrical Co ltd
Current assignee: Ningbo Outlux Electrical Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2020-11-27

Abstract

The invention discloses a street lamp which comprises a stand column and a shell arranged at the top end of the stand column, wherein an LED lamp panel and a lampshade are arranged on the lower side of the shell, a controller is arranged in the shell, and the controller can detect ambient light illumination and control the on-off of the LED lamp panel when the ambient light illumination reaches a preset value. The equipment has a learning function, can adapt to the change of the installation angle and the longitude and latitude according to the change of the environmental illumination, automatically acquire data, light on and off in specified time, and improve the automation and the applicability.

Description

Street lamp

Technical Field

The invention relates to the field of municipal facilities, in particular to a street lamp.

Background

In urban street lamp lighting facilities, the LED lighting lamp is adopted, so that the LED street lamp lighting device has the advantages of high luminous efficiency, low power consumption, long service life, pure light color, high stability, strong safety, environmental protection and the like which are incomparable with a plurality of traditional light sources, and is an environment-friendly lighting technology. At present, the LED equipment forms a complete industrial chain and is widely applied to the fields of landscape lighting, backlight sources, tunnel lighting, general lighting and the like.

The existing LED street lamp has the function of dimming, but does not have the functions of learning and storing, and cannot automatically acquire data according to the change of ambient illumination, the change of installation angle and longitude and latitude, and light on and off within a specified time.

Therefore, how to provide a street lamp with learning and storage functions is a technical problem that needs to be solved by those skilled in the art.

Disclosure of Invention

The invention aims to provide a street lamp, which enables equipment to have a learning function, can adapt to the change of the installation angle and the longitude and latitude according to the change of the environmental illumination and automatically acquire data, and can be lightened and extinguished within a specified time, thereby improving the automation and the applicability.

In order to solve the technical problem, the invention provides a street lamp which comprises a stand column and a shell arranged at the top end of the stand column, wherein an LED lamp panel and a lampshade are arranged on the lower side of the shell, a controller is arranged in the shell, and the controller can detect the ambient light illumination and control the LED lamp panel to be switched on or off when the ambient light illumination reaches a preset value.

Preferably, the controller includes an MCU module, an MCU power supply circuit, a synchronous sampling circuit, an optical sampling circuit, and an LED constant current driving circuit, where the optical sampling circuit is configured to sample ambient illuminance and transmit a signal to the MCU module, and when the ambient illuminance acquired by the optical sampling circuit is smaller than a first preset value, the MCU module controls the LED constant current driving circuit to make the LED lamp panel emit light, and when the ambient illuminance acquired by the optical sampling circuit is larger than a second preset value, the MCU module controls the LED constant current driving circuit to make the LED lamp panel close.

Preferably, the first preset value is a signal value output by the optical sampling circuit when the system is powered on for the first time or an average value of signal values output by the optical sampling circuit when the system is powered on for multiple times;

the second preset value is specifically a signal value output by the optical sampling circuit when the system is powered off for the first time, or an average value of the signal values output by the optical sampling circuit when the system is powered off for multiple times, or an addition or subtraction fixed value of the first preset value;

the MCU module can reset the first preset value and the second preset value.

Preferably, the casing downside is provided with the recess, the grooved underside is provided with heat conduction silicone grease, the LED lamp plate set up in the recess, the lamp shade covers the opening of recess.

Preferably, the LED lamp panel is specifically an aluminum substrate patch type LED lamp bead, and the lampshade is specifically a PC lens.

Preferably, a sleeve is arranged at the tail end of the shell and sleeved at the top end of the upright post, and a locking bolt is arranged on the sleeve.

Preferably, the side is provided with a plurality of arc heat dissipation muscle and water drainage tank on the casing, the arc heat dissipation muscle is provided with the wind direction streamline.

Preferably, the side is provided with the terminal box on the casing, install the back shroud on the terminal box, the controller install in the terminal box.

Preferably, a connecting wire, a wiring terminal and a wire pressing plate are arranged in the junction box.

Preferably, the components are connected by bolts.

The invention provides a street lamp which comprises a stand column and a shell arranged at the top end of the stand column, wherein an LED lamp panel and a lampshade are arranged on the lower side of the shell, a controller is arranged in the shell, and the controller can detect ambient light illumination and control the on-off of the LED lamp panel when the ambient light illumination reaches a preset value. The equipment has a learning function, can adapt to the change of the installation angle and the longitude and latitude according to the change of the environmental illumination, automatically acquire data, light on and off in specified time, and improve the automation and the applicability.

Drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of a street lamp provided by the present invention;

FIG. 2 is an exploded view of one embodiment of a street light provided by the present invention;

fig. 3 is an electrical schematic diagram of a specific embodiment of the street lamp provided by the invention.

Detailed Description

The core of the invention is to provide a street lamp, which enables equipment to have a learning function, can adapt to the change of the installation angle and the longitude and latitude according to the change of the environmental illumination and automatically acquire data, and lights on and off within a specified time, thereby improving the automation and the applicability.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a street lamp according to an embodiment of the present invention; FIG. 2 is an exploded view of one embodiment of a street light provided by the present invention; fig. 3 is an electrical schematic diagram of a specific embodiment of the street lamp provided by the invention.

The invention provides a street lamp, which comprises a stand column and a shell 1 arranged at the top end of the stand column, wherein an LED lamp panel 2 and a lampshade 3 are arranged on the lower side surface of the shell 1, a controller is arranged in the shell 1, and the controller can detect the ambient light illumination and control the on-off of the LED lamp panel 2 when the ambient light illumination reaches a preset value.

The equipment has a learning function, can adapt to the change of the installation angle and the longitude and latitude according to the change of the environmental illumination, automatically acquire data, light on and off in specified time, and improve the automation and the applicability.

Specifically, the controller comprises an MCU module 4, an MCU power supply circuit 5, a synchronous sampling circuit 6, an optical sampling circuit 7 and an LED constant current driving circuit 8, wherein the MCU power supply circuit 5 generates a low-voltage direct current power supply VDD to supply power to the MCU module 4, and when the alternating current power supply is turned off, the energy storage capacitor C1 supplies power to the MCU module 4. The synchronous sampling circuit 6 samples the line voltage Vrec output by the rectifier bridge, divides the voltage and filters the line voltage Vrec to generate Vdt, and sends the Vdt to the MCU module 4. The light sampling circuit 7 samples ambient light illuminance, converts an optical signal into an electrical signal, and outputs the electrical signal to the MCU module 4. The LED constant current driving circuit 8 generates a constant current to drive the LED lamp panel 2 to emit light, further, under the condition that the LED constant current driving circuit 8 is started, when the line voltage Vrec is higher than the voltage of the LED lamp panel 2, the LED lamp panel 2 emits light, and when the line voltage is lower than the voltage of the LED lamp panel 2, the LED lamp panel 2 does not emit light.

The MCU module 4 detects a Vdt signal, when the Vdt changes periodically and the Vdt is close to a zero crossing point, an electric signal sent by the light sampling circuit 7 is detected, and when the electric signal is smaller than a first preset value, the MCU module 4 outputs PWMO to the LED constant current driving circuit 8 to control the LED constant current driving circuit 8 to be started, and the LED lamp panel 2 emits light; when the electric signal is larger than the second preset value, the MCU module 4 outputs PWMO to the LED constant current driving circuit 8 to control the LED constant current driving circuit 8 to be closed, and the LED lamp panel 2 does not emit light.

The first preset value is specifically a signal value output by the optical sampling circuit 7 when the system is powered on for the first time or an average value of signal values output by the optical sampling circuit 7 when the system is powered on for multiple times; the second preset value is specifically a signal value output by the optical sampling circuit 7 when the system is powered down for the first time, or an average value of signal values output by the optical sampling circuit 7 when the system is powered down for multiple times, or a fixed value added or subtracted from the first preset value.

And the MCU module 4 can reset the first preset value and the second preset value, for example, in case of system power-on, the power switch is operated to switch on-off-on twice or more in a fixed time, for example, in 2 seconds, the MCU module 4 will restore the first preset value and the second preset value to default values, and at this time, the user can set new first preset value and second preset value again by controlling system power-on.

The initial operation process is to connect and install the street lamp. When the sky is gradually late, ambient light illuminance step-down, when the street lamp need be opened to auxiliary lighting, the switch on, LED lamp plate 2 is luminous to the signal of telecommunication record that will correspond ambient light illuminance conversion this moment is first default, as long as detect ambient light illuminance and be less than first default later, the street lamp is just lighted automatically. When the sky color becomes gradually bright, the ambient light illuminance becomes high, and when the street lamp needs to be turned off to save energy, the power supply is turned off, the LED lamp panel 2 is turned off, the corresponding ambient light illuminance is recorded as a second preset value, and the street lamp is turned off automatically as long as the ambient light illuminance is detected to be higher than the second preset value.

The learning and memory functions, or the adjustment of circuit types and connection modes, etc. are all realized in the protection scope of the invention.

In the street lamp provided by the embodiment of the invention, the lower side surface of the shell 1 is provided with the groove, the bottom surface of the groove is provided with the heat-conducting silicone grease 9, the heat dissipation effect is improved, the LED lamp panel 2 is arranged in the groove, and the opening of the groove is covered by the lampshade 3 to form a closed structure. Specifically, the shell 1 is made of die-cast aluminum, the LED lamp panel 2 is provided with an aluminum substrate patch type LED lamp bead, the lampshade 3 is provided with a PC lens, the light emitting angle of the PC lens is 130 multiplied by 60 degrees, the PC lens is in a batwing shape, and the LED street lamp has the advantages of low light loss, uniformity, softness, light spot reduction, no black hole, yellow ring, light condensation and the like, and solves the problem of unbalanced light irradiation of the traditional street lamp.

In order to facilitate connection, the sleeve 10 is arranged at the tail end of the shell 1, namely one end close to the stand column, the sleeve 10 is sleeved at the top end of the stand column, and further, the locking bolt is arranged on the sleeve 10, so that connection is firmer, and meanwhile, installation and disassembly are more convenient and quicker. The axial direction of the sleeve 10 may be parallel to the extension of the housing 1 or may be angled to provide the most suitable mounting position.

In order to further promote the radiating effect, the side is provided with a plurality of arc heat dissipation muscle 11 on the casing 1, and arc heat dissipation muscle 11 is arranged along the extending direction of casing 1 in proper order, stretches across the side on the casing 1 simultaneously, has enlarged heat radiating area, promotes the radiating effect. And the wind direction streamline is provided, so that the large wind resistance is reduced, and the technical problems of poor heat dissipation and poor safety of the traditional street lamp are solved. The upper side surface of the shell 1 is also provided with a water drainage groove, so that the problem of water accumulation and dust deposition is solved.

On the basis of the street lamp provided by each of the above embodiments, the housing 1 is provided with the junction box 12 on the upper side, the junction box 12 is provided with an opening at the upper end, the opening is provided with the rear cover plate 13, a relatively closed space is formed, and the controller can be installed in the junction box 12 or the position of the controller can be adjusted according to the situation, for example, the controller is integrated on the LED lamp panel 2. Terminal block 12 may be located near one end of sleeve 10, integrally formed with housing 1, or separately machined and then mounted to the housing. In order to protect the internal structure, a sealing strip and other structures are arranged between the junction box 12 and the rear cover plate 13, so that the protection level of the whole equipment reaches IP 65.

Be provided with binding post 15 in terminal box 12 for install connecting wire 14 fast, further improve the installation effectiveness, simplify the operating procedure, and be provided with line ball board 16, solve the not hard up safety problem of power cord.

The components are connected through bolts, or are provided with buckle structures and clamped or connected by gluing and the like, and the invention is within the protection scope.

The street lamp provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a street lamp, include the stand and install in casing (1) on stand top, LED lamp plate (2) and lamp shade (3) are installed to casing (1) downside, its characterized in that, install the controller in casing (1), the controller can detect ambient light illumination to control when ambient light illumination reaches the default the break-make of LED lamp plate (2).

2. The street lamp according to claim 1, wherein the controller comprises an MCU module (4), an MCU power supply circuit (5), a synchronous sampling circuit (6), a light sampling circuit (7) and an LED constant current driving circuit (8), the light sampling circuit (7) is used for sampling ambient light illumination and transmitting a signal to the MCU module (4), when the ambient light illumination obtained by the light sampling circuit (7) is smaller than a first preset value, the MCU module (4) controls the LED constant current driving circuit (8) to enable the LED lamp panel (2) to emit light, and when the ambient light illumination obtained by the light sampling circuit (7) is larger than a second preset value, the MCU module (4) controls the LED constant current driving circuit (8) to enable the LED lamp panel (2) to be closed.

3. The street lamp according to claim 2, wherein the first preset value is specifically an average value of signal values output by the optical sampling circuit (7) when the system is powered on for the first time or signal values output by the optical sampling circuit (7) when the system is powered on for a plurality of times;

the second preset value is specifically a signal value output by the optical sampling circuit (7) when the system is powered down for the first time, or an average value of signal values output by the optical sampling circuit (7) when the system is powered down for multiple times, or an addition or subtraction fixed value of the first preset value;

the MCU module (4) is capable of resetting the first preset value and the second preset value.

4. The street lamp according to claim 1, characterized in that the lower side of the shell (1) is provided with a groove, the bottom surface of the groove is provided with heat-conducting silicone grease (9), the LED lamp panel (2) is arranged in the groove, and the lampshade (3) covers the opening of the groove.

5. The street lamp according to claim 4, wherein the LED lamp panel (2) is an aluminum substrate patch type LED lamp bead, and the lampshade (3) is a PC lens.

6. The street lamp as claimed in claim 1, wherein the shell (1) is provided with a sleeve (10) at the end, the sleeve (10) is sleeved on the top end of the upright post, and the sleeve (10) is provided with a locking bolt.

7. Street lamp according to claim 1, characterized in that the housing (1) is provided with a plurality of arc-shaped heat dissipating ribs (11) and drainage grooves on the upper side, the arc-shaped heat dissipating ribs (11) being provided with wind direction flow lines.

8. Street lamp according to any of the claims 1-7, characterized in that the housing (1) is provided with a junction box (12) on the upper side, a rear cover plate (13) is mounted on the junction box (12), and the controller is mounted in the junction box (12).

9. Street light according to claim 8, characterized in that a connection wire (14), a connection terminal (15) and a tension disc (16) are arranged in the junction box (12).

10. The street light of claim 9, wherein the components are bolted together.