CN115654417A - Cable tunnel lighting control system based on natural light guide lighting mechanism - Google Patents

Abstract

The invention relates to a cable tunnel lighting control system based on a natural light guide lighting mechanism, and relates to the technical field of electric power equipment. The system includes a light guide duct, a lighting control device, and at least two sets of illuminance light sensors; the light guide duct is used to go deep into the interior of the cable tunnel from the ventilation duct shaft of the cable tunnel, and one end of the light guide duct protrudes from the ventilation duct well; the inner wall of the light guide duct is coated with aluminum; the side of the light guide duct is provided with at least two light guide output holes; the side of the light guide duct is connected with at least two electrically controlled light sources; the lighting control device and the illuminance light sensor The sensor is located inside the cable tunnel, and among the illuminance and light sensing sensors, at least one group of illuminance and light sensing sensors is located near the lighting control device. The system introduces natural light into the caisson and jacking pipe of the cable tunnel, and adjusts the output of artificial light in real time according to the light sensor, thereby maximizing the use of natural light, reducing the waste of electric energy, practicing the concept of low-carbon design, and avoiding waste of electric energy .

Description

Cable Tunnel Lighting Control System Based on Natural Light Guide Lighting Mechanism

technical field

The invention relates to the technical field of electric power equipment, in particular to a cable tunnel lighting control system based on a natural light guide lighting mechanism.

Background technique

With the in-depth advancement of the zero-carbon concept, green and low-carbon design concepts continue to deepen in the power grid engineering design industry. At present, the transmission line project in the power grid project, among them, the cable tunnel project, due to its high requirements for auxiliary facilities such as ventilation, lighting and drainage, needs to be equipped with a box-type substation independently for the tunnel supporting facilities to use electricity.

In related technologies, in the case of independently equipped box-type substations for power supply and lighting, in the process of designing cable tunnel lighting, it is usually necessary to meet the relevant illuminance levels, and directly determine the specific needs of light intensity according to the illuminance levels to configure Artificial light sources that are switched on and off simultaneously. When there is a need for light, the artificial light source will be turned on synchronously.

However, the light source setting method in the related art does not adopt natural light source, and it is impossible to combine natural light source and artificial light source during lighting, resulting in a certain waste of electric energy.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies in the prior art, thereby providing a cable tunnel lighting control system based on natural light guide lighting mechanism, so that artificial light source and natural light can be combined in the lighting process, avoiding the waste of electric energy.

According to the technical solution provided by the present invention, a cable tunnel lighting control system based on a natural light guide lighting mechanism is provided, the system includes a light guide duct, a lighting control device, and at least two sets of illuminance light sensors;

The light guide duct is used to go deep into the interior of the cable tunnel from the ventilation duct well of the cable tunnel, and one end of the light guide duct protrudes from the ventilation duct well;

The inner wall of the light guide duct is coated with aluminum layer;

At least two light guide output holes are opened on the side of the light guide duct, and the light guide output holes face the inside of the cable tunnel;

At least two electronically controlled light sources are connected to the side of the light guide duct, and the electronically controlled light sources are connected to the lighting control device in communication;

The lighting control device and the illuminance light sensor are located inside the cable tunnel. Of the illuminance light sensors, at least one set of illuminance light sensors are located near the lighting control device, and at least one set of illuminance light sensors are located at the pipe laying position of the cable tunnel.

In a possible implementation manner, light-transmitting glass is embedded in the output hole of the light guide.

In a possible implementation manner, one end of the light guide duct protruding from the well of the ventilation duct is covered with waterproof and light-transmitting glass.

In a possible implementation, the side of the light guide duct has an auxiliary duct;

The auxiliary duct is connected with the light guide duct;

One end of the auxiliary duct protruding from the ventilation duct shaft is covered with waterproof and light-transmitting glass.

In a possible implementation manner, the light guide duct and the cable tunnel are fixedly connected by bolts and hoops.

In a possible implementation manner, the lighting control device includes a distribution box and a lighting control system;

The lighting control system is located inside the distribution box;

The illuminance light sensor and the electric control light source are connected in communication with the lighting control system.

In a possible implementation, at least two electrically controlled light sources can be independently controlled;

The brightness of the electronically controlled light source is adjustable.

The beneficial effects brought by the technical solution provided by the present invention at least include:

Through the setting of the light guide duct in the cable tunnel, in the cable tunnel, through the light guide effect of the light guide duct, the natural light is used to compensate the light in the tunnel, combined with the control of the electronically controlled light source and the lighting control system, for Cable tunnels provide lighting. The system introduces natural light into the caisson and jacking pipe of the cable tunnel, and adjusts the output of artificial light in real time according to the light sensor, thereby maximizing the use of natural light, reducing the waste of electric energy, practicing the concept of low-carbon design, and avoiding waste of electric energy .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a structural schematic diagram of a cable tunnel lighting control system based on a natural light guide lighting mechanism provided by the present invention.

Fig. 2 is a block diagram of electrical connections of a cable tunnel lighting control system based on a natural light guide lighting mechanism provided by the present invention.

Fig. 3 is a schematic diagram of a light guide duct provided by the present invention.

Fig. 4 is a schematic cross-sectional view of a light guide duct provided by the present invention.

Explanation of reference signs in the manual:

1-light guide duct, 2-lighting control device, 3-illuminance light sensor, 4-cable tunnel, 5-ventilation duct well, 6-aluminum layer coating, 7-cable;

11-light guide output hole, 12-electrically controlled light source, 13-translucent glass, 14-waterproof and transparent glass, 15-auxiliary duct;

21-distribution box, 22-lighting control system.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Figure 1 and Figure 2 show a schematic structural diagram and electrical connection block diagram of a cable tunnel lighting control system based on natural light guide lighting mechanism provided by an exemplary embodiment of the present invention, please refer to Figure 1, the natural light guide lighting mechanism based The cable tunnel lighting control system includes a light guide duct 1, a lighting control device 2 and at least two sets of illuminance light sensors 3. The light guide duct 1 is used to go deep into the interior of the cable tunnel 4 from the ventilation duct shaft 5 of the cable tunnel 4 , and one end of the light guide duct 1 protrudes from the ventilation duct shaft 5 . The inner wall of the light guide duct 1 is coated with an aluminum layer 6 . The side of the light guide duct 1 is provided with at least two light guide output holes 11, and the light guide output holes 11 face the inside of the cable tunnel 4; the side of the light guide duct 1 is connected with at least two electrically controlled light sources 12, and the electrically controlled light sources 12 are connected to the lighting The control device 2 is connected in communication; the lighting control device 2 and the illuminance light sensor 3 are located inside the cable tunnel 4, and in the illuminance light sensor 3, at least one set of illuminance light sensor 3 is located near the lighting control device 2, and at least one set of illuminance light sensor The sensor 3 is located at the pipe laying location of the cable tunnel 4 .

Please refer to FIG. 1 , cables 7 are arranged in the cable tunnel 4 , and the cable tunnel 4 has a ventilation duct shaft 5 , and the light guide duct 1 starts from the ventilation duct shaft 5 and extends in the cable tunnel 4 .

In the embodiment of the present application, the light duct 1 , the lighting control device 2 and the illuminance light sensor 3 are all located inside the cable tunnel 4 , and the structure of the cable tunnel 4 is shown in FIG. 1 . The light guide duct 1 protrudes from the ventilation shaft of the cable tunnel 4 for daylighting. And the rest of the light duct 1 is located inside the cable tunnel 4 . Please refer to FIG. 3 , the cross-section of the light guide duct 1 is rectangular, and the inner wall is wrapped with a high-reflectivity aluminum layer coating 6 for efficient light transmission. In the light guide duct 1, there are a light guide output hole 11 and an electronically controlled light source 12 on its side. The light guide output hole 11 is used to transmit natural light, and the electronically controlled light source 12 is used to emit light under the control of the lighting device, so as to collectively serve as the interior of the cable tunnel 4. Provide lighting.

In the embodiment of the present application, the illuminance light sensor 3 is used to detect the brightness of the surrounding environment, corresponding to the actual situation that the lighting control device 2 and the internal environment of the cable tunnel 4 have different brightness requirements, the number of the illuminance light sensor 3 is two One group of illuminance photosensitive sensors 3 is located near the lighting device, and the other group is located at the laying position of the cable tunnel 4 . Optionally, the illuminance light sensor 3 is powered exclusively by a battery with a service life of 1 year. Illuminance light sensor 3 and lighting control device 2

In the embodiment of the present application, the lighting control device 2 is a combination of electrical components with power supply and control functions. For example, the combination of the distribution box 21 and the controller. The lighting control device 2 is connected with the illuminance light sensor 3 to determine the light intensity in the cable tunnel 4 in real time. When the light intensity in the cable tunnel 4 is insufficient, the electronically controlled light source 12 is controlled to emit light. In the embodiment of this application, the control rules conform to the following site illumination data standards:

Illumination Standards for Main Places Lighting power density W/square meter Illumination of ordinary section of pipe gallery 15LX 0.5W Pipe corridor manhole equipment room 100LX 5W

To sum up, the system provided by the embodiment of the present application, by setting the light guide duct in the cable tunnel, in the cable tunnel, through the light guide effect of the light guide duct, the light in the tunnel is compensated by natural light, Combined with the control of electronically controlled light sources and lighting control devices, it provides lighting for the cable tunnel. The system introduces natural light into the caisson and jacking pipe of the cable tunnel, and adjusts the output of artificial light in real time according to the light sensor, thereby maximizing the use of natural light, reducing the waste of electric energy, practicing the concept of low-carbon design, and avoiding waste of electric energy .

In an optional embodiment, light-transmitting glass 13 is embedded in the light guide output hole 11 .

Please refer to FIG. 3 and FIG. 4 , an opening is made at intervals in the light duct 1 , and light-transmitting glass 13 is embedded in the opening, and the light-transmitting glass 13 can perform light convergence and light output. In one example, in the light guide duct 1 , openings and light-transmitting glass 13 are arranged every 2 m, and the size of the openings is 500mm*500mm.

In an optional embodiment, please refer to FIG. 1 , one end of the light guide duct 1 protruding from the ventilation duct shaft 5 is covered with waterproof and light-transmitting glass 14 . The glass is used to gather light and ensure the waterproof and dustproof of the light guide duct 1, so as to improve the overall stability of the system.

In an optional embodiment, please refer to FIG. 1 , the side of the light guide duct 1 has an auxiliary duct 15; the auxiliary duct 15 is connected to the light guide duct 1; One end of is covered with waterproof light-transmitting glass 14.

In an optional embodiment, the light guide duct 1 is fixedly connected to the cable tunnel 4 through bolts and hoops.

In an optional embodiment, please refer to FIG. 1 , the lighting control device 2 includes a distribution box 21 and a lighting control system 22 ; the lighting control system 22 is located inside the distribution box 21 . The illuminance light sensor 3 and the electrically controlled light source 12 are connected to the lighting control system 22 in communication. Wherein, the distribution box 21 is arranged on the upper floor inside the cable tunnel 4 . The lighting control system 22 is implemented as a control cabinet, which includes a programmable logic controller (Programmable Logic Controller, PLC) upper computer, and the staff can preset the internal logic corresponding to the PLC, so that the lighting control system can realize the control of the illuminance light sensor. data reception, and lighting settings for electrically controlled light sources. In one example, the PLC has the model number plc-F X1N-40M R.

In an optional embodiment, at least two electrically controlled light sources 12 can be independently controlled, and the brightness of the electrically controlled light sources 12 can be adjusted to meet different requirements for light intensity.

The above are only optional embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention Inside.

Claims (7)

1. A cable tunnel lighting control system based on a natural light guide lighting mechanism, characterized in that the cable tunnel lighting control system based on a natural light guide lighting mechanism includes a light guide duct (1), a lighting control device (2) and at least Two sets of illuminance light sensors (3); The light guide duct (1) is used to go deep into the interior of the cable tunnel (4) from the ventilation duct shaft (5) of the cable tunnel (4), and one end of the light guide duct (1) protrudes from the ventilation duct (5). Air duct well (5); The inner wall of the light guide duct (1) is coated with an aluminum layer (6); At least two light guide output holes (11) are opened on the side of the light guide duct (1), and the light guide output holes (11) face the inside of the cable tunnel; At least two electrically controlled light sources (12) are connected to the side of the light guide duct (1), and the electrically controlled light sources (12) are communicatively connected to the lighting control device (2); The lighting control device (2) and the illuminance photosensor (3) are located inside the cable tunnel, and among the illuminance photosensors (3), at least one group of the illuminance photosensors (3) is located in the In the vicinity of the lighting control device, at least one set of the illuminance photosensors (3) is located at the pipe laying position of the cable tunnel. 2. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 1, characterized in that light-transmitting glass (13) is embedded in the light guide output hole (11). 3. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 1, characterized in that, the end of the light guide duct (1) protruding from the ventilation duct well is covered with waterproof and light-transmitting glass (14 ). 4. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 3, characterized in that, the side of the light guide duct (1) has an auxiliary duct (15); The auxiliary duct (15) is connected to the light guide duct (1); One end of the auxiliary duct (15) protruding from the ventilation duct shaft (5) is covered with waterproof and light-transmitting glass (14). 5. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 1, characterized in that, the light guide duct (1) and the cable tunnel (4) are fixedly connected by bolts and hoops. 6. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 1, characterized in that, the lighting control device (2) includes a distribution box (21) and a lighting control system (22); The lighting control system (22) is located inside the distribution box (21); The illuminance light sensor (3) and the electrically controlled light source (12) are connected in communication with the lighting control system (22). 7. The cable tunnel lighting system based on natural light guide lighting mechanism according to claim 1, characterized in that, the at least two electrically controlled light sources (12) can be independently controlled; The brightness of the electrically controlled light source (12) is adjustable.

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