Stage lighting system design case

Stage lighting system is designed to comply with the laws of stage art performance and special use requirements for configuration, its purpose lies in the various performing arts reproduction process, the lights of the required process equipment configuration according to system engineering design, accurate, and complete the stage lighting system for art display service.

One, stage lighting design principle

Stage lighting system is designed to comply with the laws of stage art performance and special use requirements for configuration, its purpose lies in the various performing arts reproduction process, the lights of the required process equipment configuration according to system engineering design, accurate, and complete the stage lighting system for art display service.

Create a complete stage of free space for all lighting requirements;

In order to keep the system running, increase the storage and expansion space properly;

The system's anti-jamming ability and safety as an important design indicator;

The new lamps and lanterns are introduced into system design.

The DMX512 digital signal network technology is introduced in all stages of system design.

Second, the stage lighting system process design requirement

The system design and equipment configuration has the function of the integrated theater, which can rotate various kinds of lighting operation scheme in a short period of time.

The system is designed to be quickly converted from one lighting scheme to another lighting scheme, which is completed within two hours.

The system allows all kinds of lamps and other supplementary equipment to be fully configured.

The system is designed to have sufficient safety and storage capacity, and the entire system will continuously diagnose and inspect the main control station without interruption of the main power supply.

5. The equipment in the system completely accords with the technical requirements of the stage background noise, the jejunum, open all the lights when the noise and the external environment of noise interference is not higher than NR25, effect of test point 1 m equipment noise is not greater than 30 db.

6. At the beginning of the scalability of the system is the system design to reserved, such as power silicon control capacity, network capacity, flush with cash or new technologies appear to be the future, to make this system not large area due to lack of design changes or updates, save money and quickly adapt to changing needs.

3, stage lighting system design instructions

The lighting arrangement of the stage lights and the location of the lighting arrangement make up the light array, and all parts of the stage have cloth light points to prevent dead zones, and they can be combined in a flexible and varied way.

(1) the lighting system design configuration

Top light effect is deep performance space necessary for stage lighting, roof light configuration used in all sorts of lamps and lanterns, greatly improves the pervious to light quality, light transmittance increased by 150% than the current domestic mirror, anti-glare leaf design beautiful novel, four pages set is reasonable, the shading effect is good, can make to the top of the stage lighting or dyed with light.

The distribution of lamps and lanterns is as follows:

Above the stage, there are 20 overhead lighting shafts.

Each way top light respectively with different number of lamps and lanterns: 1 kw thread spotlight 24 (color change), 1 kw and 40 sets of flat convex spot (in color), 750 sets of 750 w imaging spot (match color changer) and soft light &heavy and film and television stage 2 kw computer moving head light 16 sets.

The arrangement and projection of lamps and lanterns:

The first top light and area light of corresponding starring lighting area, cohesion when pay attention to the height of the characters, can be at the top of the first line of the light position as a point light and placed special lighting, and select the part of the lamp lighting lands protection; The second channel to the 10th channel can be cast directly after the stage, also can be cast vertically, can enhance the lighting of the stage character and the scenery space. The front rear light is connected so that the stage performance area has a more uniform color and brightness.

(2) computer lamp design and configuration

Considering the inevitable trend of the stage lighting in the 21st century, the stage lighting design is equipped with 16 computer lamps.

Amount of main arrangement at the top of the above the stage to light a streetlight, controlled by DMX signal, contact through the network to connect a computer console, adjust the Angle of projection of lamps and lanterns can be arbitrary, brightness, transformation design, beam size, color, and other functions, to ensure that meet the performance requirement on the amount of change.

(3) the lighting switch design configuration

The color switch that is installed in some lamps and lanterns, its effect stage light, dyeing, colour change, foil the plot, achieve the colorful effect.

Color changer configuration:

Use a computer switch for 136.

4, stage lighting control equipment configuration

(1) the lighting console

Lighting console to choose "Strand" British company series 300, 125 type computer dimming light road, the dimming units use a Genius for the quality of the Pro operating software, this software to support small and medium-sized console or tracking the preset mode operation. The computer light control is another standard feature of the 300 series console, which is tracked by a smart mouse.

With more than 80 years of manufacturing, manufacturing, sales and design experience, the reliability and sophistication of our products provide confidence for our choice and the use of our owners.

(2) adjust the silicon tank

It is the "Strand" in the UK that is switched from the "Strand".

The digital silicon cabinet is the carrier of high power load adjustment and the core hardware of the dimming system. The silicon cabinet is a high control precision and high performance dimmer with digital decoding trigger control technology. Its DMX input interface USES photoelectric isolation technology, high precision, high speed digital trigger system (range 1-100%, 10 light adjustment curve, 1024 light accuracy). Strong anti-interference, simple debugging, the system is not affected by environmental temperature, voltage, etc., the system does not need to debug level of machine can meet the national standard of the output voltage consistency index, don't need to adjust the light spot, consistency maintenance. System USES the ISP online system can be programmed and large scale integrated circuit, the hardware reliability is improved, in the light of the "watchdog" technology and software fault-tolerant technology, even outside the grid and strong interference, a transmission line can automatically detect power distribution system, when the distribution voltage fluctuations can be automatically corrected trigger conduction Angle, inhibit the lights flashing, keep its normal work. The silicon tank and the dimmer are transmitted by the photoelectric isolation method, avoiding the accident that caused the burning of the platform by accident due to leakage of electricity and static electricity. The silicon cabinet has the final function of the dimming memory, and once the master and the sub-control fail, the normal performance is guaranteed. It can set up the 9th grade preheating value to extend the life of the lamp, and the 10 sets of adjustable light curves in the machine can satisfy the needs of various performances. With two input interfaces, both the digital and analog console signals can be received simultaneously. Each power unit has direct switch, and the power unit can be arbitrary swap under any circumstances, in order to ensure the studio in variety shows, theatrical performances party live performances, film, broadcast, TV recording requirements such as provide the guarantee, and for the amount of the laser effect, color light, color changer equipment such as the application of compatible with sufficient effect and extend the functionality, fully meet the needs of all kinds of performances.

One. Lighting system power configuration

Set up 2 996 full Numbers of silicon cabinets, 6KW 192.

Two. Safety Settings in the running of the lighting system electrical equipment

Configure the output appropriately

Each modulation and direct output is matched by an outlet of 1 32A, each of which is the same length as the three wires.

Good grounding

In order to eliminate the interference of controlled silicon, make the sound and video equipment meet the requirement of use, and choose a reasonable and practical grounding system in the design of lamplight system. Sound and light systems are equipped with independent grounding line, by sharing the ends of the earth, grounding resistance Ω 1 or less. The power cables and lights are installed in the metal grooves, and the metal grooves have a good grounding device.

Electric protection

Due to the lighting power distribution line most of the socket receiving stage lights, according to standard practice socket circuits of the low-voltage distribution system should be installed leakage protection, indirect contact protection, due to the leakage switch easy misoperation, directly affect the reliability of stage lighting system, so as we take the PE line in line with the relevant circuit wiring way together. In order to reduce the zero sequence impedance, ensure that the protection device can be reliable and ensure the safety of the person in the event of a single-phase ground fault.

Lightning protection

Erected at low voltage busbar substation lightning arrester, surge protector, dimming lighting power distribution cabinet installed to prevent the culture and art center stage or nearby buildings due to electromagnetic induction when lightning strike, electrostatic induction of over-current, over-voltage, damage the dimming tank and lighting control computer system, guarantee the dimming silicon ark, calculation of lighting control system security.

3, the lighting system electrical cables and the installation of the line

The output leads of the silicone chamber to all the outlets are the same as the three lines of length. Light line and the sound, video signal lines such as far away from each other, must be met for 90 ° crossed, leave the distance of 0.5 M; You can't avoid having to set the spacing more than 1M when parallel.

All signal connection cables are used to prevent interference.

There is an independent grounding line, the power cable and the lamp line should be installed in the metal trough, the metal groove should be connected.

The power of the electrical outlet is separated by a metal barrier, which avoids the interference of the strong electrical power to the weak electrical system and guarantees the safety of the weak electrical system.

5. (LSF) with low smoke and flame retardant PVC type copper core cable, cable should work for a long time, in the condition of 90 ℃ under the condition of normal use, life should be more than 30 years.

The socket box is chosen according to the international advanced products manufactured by the "national standard" enterprise, the strong, weak electricity in the box is separated by metal partition, the guarantee is safe, it is beneficial to emc.

The cable-bridge is used for fire detection by heat-sensitive cable and prevents the fire of cable.

The bridge or slot shall be capped and will be treated for fire protection. Power cables and control cables model, voltage and current carrying capacity, cross section, some place sheath should satisfy the circuit type, such as transmission model, using the environment and the requirements of installation, and conform to the relevant specification.

The control and power cables of the moving parts are used to meet the fire resistance requirements. The installation of the cable shall comply with the requirements of gb50258-96 for the inspection and acceptance of the installation of the installation of the electrical installations and the following requirements of the installation of the following wiring works.

The electromagnetic interference should be minimized when the cable is laid. When using cable hose, the length cannot exceed 1 meter. The suspension or drooping soft cable of the power or control line should be set up with the stress release center thread, which should be clamped on both ends to release wire stress.

11. The power or control circuit used in the core and shielded cable conductor easily according to the number recognition, less than 25 core cable color code is used, not used some cable laying form or in order to identify the cable.

The cable number of the two ends of the cable is the same, and there is a permanent mark with unique number. The cable number is indicated in the wiring diagram.

Wires should have sufficient length of cable to meet the requirements of the general schedule of the equipment, including the necessary itinerary for the repair position. All cable line equipment, with proper access to the wire, in order to change the cable, the remaining cable should be wrapped in the cable disc or in the equipment, and firmly fixed.

The box box should be perpendicular to the wall when installed, the vertical deviation is not greater than 2mm, in and out of the box, the appropriate amount of allowance is left. Pipe threading different circuit, voltage, and ac/dc conductor, not through the same pipe, wire and distortion in the tube can not have joint, wire wear into the pipe, at the exit, the sheath to protect the wire. Before the cable is laid, inspect the cable for mechanical loss and conduct insulation. The installation of power and lighting distribution box, its quality standard conforms to the national electrical engineering construction standard. The ground power distribution box is firmly installed on the base of Angle steel or channel steel, fixed with screws, and good grounding. The pipe in the line is about 10 centimeters above the base level. The installation location dimension is required to meet the drawing requirements, the wall installation of the wall is not open. The ground power distribution box is installed with a vertical scale of 1.5mm and the seam is 2mm. The lighting box is usually installed with a wall, and this project is installed in both light and dark. Dark mounted wall type distribution box is installed directly inside the wall when the wall is built, also can make a hole in the wall and reload. Ensure that installation is firm, good grounding, install flat, comply with the design requirements, size, bottom is apart from the ground 1.5 M, lighting distribution box vertical deviation is not more than 3 mm, in and out of line with the distribution of distribution box and tube cap and lock nut fixed in the box. Install the distribution box. The surface of the panel is as flat as the paint layer.

4, lighting electrical equipment cabinet setting

Structure of 1.

The chassis and rack of electric equipment are made by the metal and steel plate, which is treated with anti-embroidery, and reinforced with steel plate or steel frame when necessary. Electrical equipment cabinets have dust and moisture-proof measures. All cabinets and racks are closed except for ventilation and cable. The depth of each cabinet can ensure proper equipment and connection space. Each particular group has the same depth, height and color.

2. The ventilation

All electrical components or devices can be run continuously under the external cover and the specified environment. The cabinet is properly approved by nature. To protect the heat from the equipment by using a thin net or foam barrier to protect the heat from the debris. The casing should be pressurized and the wind will leak.

Cable in and out

The cable hole is reserved for the required position in the factory; And there is a removable board for final processing at the site. The cable is in the line of the outlet, considering the outside of the cable, the way of laying and the sufficient bending radius, and the cable fixture.

Cabinet door and repair panel

The door and panel design are sufficiently rigid, doors and panels can be disassembled and repaired, and the panels contain dust seals. All the shells and panels are thoroughly cleaned of grease and rust.

5. Logo

The symbol of the parts in the equipment cabinet shall also be a permanent mark and shall not be used with a temporary paste mark or a pen recognition mark. The nameplate and logo are large enough to be able to see the nameplate and the logo in a normal light distance of two meters.

Data bag

The inside of the main door of each cabinet is attached to the inside of the main door, which is used to load the various electrical components or device samples, wiring, maintenance and maintenance of the electrical equipment cabinet.

5, the design requirement of the silicon cabinet room

Design requirements

(1) the silicon chamber must be equipped with a separate air conditioning system and ventilated equipment to ensure the proper work of silicon, because of the amount of heat emitted by the silicon controlled operation.

(2) there is a 10 slot steel seat under the control of silicon controlled, power supply and lamp cabinet.

(3) the floor of silicon chamber antistatic floor is 300mm.

(4) the load requirement for the switchboard is 800Kg per square meter.

(5) the cable bridge is worn through the floor of the floor, and the wall is made of holes.

(6) all holes in the bridge shall be blocked by fire proof.

The stage lamps and lanterns are configured, the mouth is divided by the mouth and the two most of the stage

One, the outside of the table is usually divided by the light, the face, the box (building block), the long distance pursuit room.

The surface light is based on the scale of the stage of the theater, and there is a light, two surfaces, or even three levels of light. The configuration of the face light lamp should be based on the distance from the distance, the lamp of different sets, the image lamp, the power should be over 2KW. The first surface of the light is closer to the mouth of the platform, and it can also be added with some 2KW rib lights and a backlight. The light of a surface and two surfaces in the left, middle and right positions should be equipped with the suitable focal length suitable for the lighting lamps, which can be controlled by the person who is in charge of the light and color.

The face is symmetrical on the left and right side of the table, and according to the scale of the stage, each ear light can be set up one or two lines, and the lamps are in the spotlight