CN102661568A - Light-guide lighting system for factory building in cigarette industry - Google Patents

Abstract

The invention relates to the field of workshop lighting, in particular to a light guide lighting system for a cigarette industrial workshop. Cigarette industrial plant light guide lighting system, the device includes a light guide, daylight cover, diffusion screen and connectors, the connectors include C-shaped steel connection frame, anti-corrosion wood, rock wool board, first waterproof membrane, second waterproof membrane, Cement board, waterproof board and third waterproof membrane. The invention adopts the special connector for prefabricated light pipes, which not only guarantees the production quality, but also facilitates on-site construction and operation, solves the problem of condensation on the inner wall of the light pipes, and ensures the reliability of the waterproof construction of the connection between the light pipes and the roof of the space board.

Description

Cigarette industrial plant light guide lighting system

technical field

The invention relates to the field of workshop lighting, in particular to a light guide lighting system for a cigarette industrial workshop.

Background technique

Light guide lighting system is a new type of lighting device, mainly composed of three parts: daylight cover, light guide and diffuser. The principle of the system is to efficiently collect natural light into the system through the daylight dome for redistribution, and then transmit and intensify it through a specially made light guide. Special lighting effects brought by natural light. It can evenly and efficiently irradiate natural light into the venue, thereby breaking the concept of "lighting completely depends on electricity", and is a green, healthy, environmentally friendly and energy-free lighting product. Using light pipes for natural lighting is a relatively common concept in modern green factory buildings. It can be widely used in underground spaces, corridors, offices, factories, workshops, venues and other places where lights need to be turned on during the day.

Chinese invention patent application (application number: 200910252862.2 filing date: 2009-11-30) discloses a light guide, including: a control device, which connects the rotating table and the driving mechanism of the lighting assembly, and drives the lighting assembly to be aligned with the incident sunlight. angle; transparent mask and/or container, which forms a space to accommodate lighting components; rotating table, which tracks the incident sunlight laterally under the control of the control device; fixed parts, which are located on the surface of the container, for Fixed; daylighting assembly, including longitudinal tracking device controlled by the control device and rotatable reflective optical plate, driven by the longitudinal drive device, the reflective optical plate forms a certain angle with the incident sunlight, reflects and aggregates the incident sunlight into the light guide body ; The light pipe body is connected to the lighting assembly, and the inner wall surface is a reflective structure.

For the first time, China Tobacco Zhejiang Industrial Co., Ltd.’s cigarette industrial plant has applied a large number of light guide systems. Because the roof of the main production workshop of the cigarette industrial plant uses space panels (environmentally friendly foamed concrete prefabricated panels), and the indoor production environment is high temperature and high humidity. If the light pipe system is installed according to standard nodes, since the material of the light pipe is synthetic metal, condensation will form on the inner wall of the light pipe in winter. And the waterproof connection reliability with the roof cannot be guaranteed.

Contents of the invention

In order to solve the above-mentioned technical problems, the object of the present invention is to provide a light guide lighting system for cigarette industrial workshops. The system uses a special connector to ensure the applicability of the light guide system in cigarette industrial workshops. It has the advantages of easy installation, waterproof, Anti-condensation features.

In order to achieve the above object, the present invention adopts the following technical solutions:

The light guide lighting system of the cigarette industrial factory building, the device includes a light guide, a daylight cover, a diffuser screen and a connector, the connector is set above the roof of the factory building, the upper end of the light guide is connected with the daylight cover, and the middle part extends through the connector and the hole in the roof In the house, there is foamed polyurethane caulking between the hole on the roof of the factory building and the light pipe. The light pipe in the house is fixedly connected to the frame arranged on the roof through a steel wire rope. On the suspension ring; the connector includes a C-shaped steel connection frame, anti-corrosion wood, rock wool board, the first waterproof membrane, the second waterproof membrane, cement board, waterproof board and the third waterproof membrane; the anti-corrosion wood constitutes A frame with vertical bars and horizontal bars, with holes for installing light pipes inside the frame, the vertical bars and horizontal bars form an inverted "L" structure, and the C-shaped steel connecting frame is embedded between the horizontal bar and the horizontal bar. In the cavity formed by the roof, the C-shaped steel connecting frame and the vertical strip are fixed by screws, and the C-shaped steel connecting frame is filled with the rock wool board, and the outer surface of the rock wool board is flush with the outer surface of the horizontal strip and covers the There are polystyrene extruded boards, and the cement board is covered on the outside of the polystyrene extruded board, and cement mortar leveling is provided on the horizontal strips, the upper surface of the polystyrene extruded board and the outer side of the cement board , the cement mortar leveling surface is provided with a base treatment agent; the outer surface of the cement mortar leveling is provided with the first waterproof coiled material and the second waterproof coiled material, and the lower ends of the first waterproof coiled material and the second waterproof coiled material extend to roof, and on the roof is provided with the first waterproof coiled material, the second waterproof coiled material continuous coverage; the second waterproof coiled material above the frame is provided with the waterproof board, and the waterproof board is fixed on the On the frame body, the top extends to the bottom of the lighting cover, and a sealing tape is arranged between the bottom and the second waterproof membrane; the third waterproof membrane is covered above the waterproof board, and the upper end of the third waterproof membrane is also rolled to the lighting cover Below, the lower end of the third waterproof coiled material extends to the vertical side of the second waterproof coiled material; and a thermal insulation pad is provided below the waterproof board, the inner end of the thermal insulation pad extends to the bottom of the daylighting cover, and the outer end to sealing tape.

As a further improvement, the first waterproof coiled material and the second waterproof coiled material are fixed with screws on the vertical surface, and the first waterproof coiled material is closed by the second waterproof coiled material on the roof.

As a further improvement, the waterproof board is made of 0.6-1.0mm thick aluminum steel sheet, which is powder-coated on the outside of the aluminum steel sheet.

As a further improvement, a circle of waterproof glue is filled around the fastening screws.

As a further improvement, the thickness of the extruded polystyrene board is 3-5mm.

As a further improvement, the thickness of anticorrosive wood is 40-60mm, the thickness of rock wool board is 70-90mm, the thickness of polystyrene board is 40-60mm, the thickness of cement board is 15-25mm, and the thickness of cement mortar leveling is 15mm. ~25mm.

Due to the adoption of the above-mentioned technical scheme, the present invention adopts the prefabricated light pipe special connector not only to ensure the production quality, but also to facilitate on-site construction and operation, and to solve the problem of condensation on the inner wall of the light pipe, and to ensure the waterproof construction of the connection between the light pipe and the space board roof reliability.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is an enlarged view of part A in Fig. 1 .

Fig. 3 is a schematic diagram of the structure of the light guide.

Detailed ways

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

As shown in Figure 1, the light guide lighting system of the cigarette industry factory building, the device includes a light guide 1, a daylight cover 2, a diffuser screen 3 and a connector, the connector is arranged on the roof 7 of the factory, and the upper end of the light guide 1 is in phase with the daylight cover 2 Connect, the middle part extends into the house through the hole of the connector and the roof 7, and there is foaming polyurethane 9 caulking between the hole of the factory roof 7 and the light guide 1. As shown in FIG. 3 , the lower end of the light pipe 1 is provided with a suspension ring 6 on which a steel wire rope 5 is fixed, and the indoor light pipe 1 is fixedly connected with the frame 8 arranged on the roof through the steel wire rope 5 .

As shown in Figure 1, the connector includes anti-corrosion wood, C-shaped steel connection frame 12, rock wool board 14, polystyrene extruded board 15, cement board 16, first waterproof coiled material 18, second waterproof coiled material 19, waterproof board 20 and the third waterproof membrane 22. The thickness of the anti-corrosion wood is 50mm, and the anti-corrosion wood constitutes a frame body with vertical strips 10 and horizontal strips 11. Holes for installing the light guide 1 are arranged in the frame, and the vertical strips 10 and horizontal strips 11 form an inverted " L"-shaped structure, the C-shaped steel connecting frame 12 is embedded in the cavity formed by the horizontal bar 11 and the roof 7, the C-shaped steel connecting frame 12 and the vertical bar 10 are fixed by screws 13, and the C-shaped steel connecting frame 12 Fill the rock wool board 14. The thickness of the rock wool board 14 is 80mm. Plastic plate 15 thickness is 50mm. The thickness of the cement board 16 is 20mm, and the cement board 16 is covered on the outside of the extruded polystyrene board 15, and the rock wool board 14 and the extruded polystyrene board 15 have played the main role of thermal insulation, and the technical points are It must be dense. The extruded polystyrene board 15 is easily damaged by external impact, and the cement board 16 mainly plays the role of a protective layer. The horizontal bar 11, the upper surface of the extruded polystyrene board 15 and the outer surface of the cement board 16 are all equipped with cement mortar leveling 17, the thickness of the cement mortar leveling 17 is 20mm, and the cement board 16 passes through the cement mortar leveling 17 and the first waterproof Coiled material 18 is also stronger in combination, and a base treatment agent is provided on the surface of cement mortar leveling 17 .

As shown in Fig. 1 and Fig. 2, the outer side of the cement mortar leveling 17 is provided with the first waterproof coiled material 18, the second waterproof coiled material 19, the thickness of the first waterproof coiled material 18, the second waterproof coiled material 19 It is 4mm, is provided with screw 23 and fixes on the vertical plane. The lower ends of the first waterproof coiled material 18 and the second waterproof coiled material 19 extend to the roof 7, and the roof 7 is provided with a continuous covering surface with the first waterproof coiled material 18 and the second waterproof coiled material 19 above, and the second waterproof coiled material Material 19 encloses the first waterproof membrane.

As shown in FIG. 2 , the second waterproof coiled material 19 above the frame is provided with the waterproof board 20 , and the waterproof board 20 is made of 0.7 mm thick aluminum steel sheet, which is powder-coated on the outside of the aluminum steel sheet. The waterproof board 20 is fixed on the frame body by fastening screws 21, and a circle of waterproof glue is filled around the fastening screws 21. The top of the waterproof board 20 extends to the bottom of the daylighting cover 2 , and a sealing tape 25 is arranged between the bottom and the second waterproof coiled material 19 .

As shown in Figure 2, the third waterproof coiled material 22 is covered above the waterproof board 20, the upper end of the third waterproof coiled material 22 is also rolled to the bottom of the daylighting cover 2, and the lower end of the third waterproof coiled material 22 extends to the second waterproof Coil material 19 vertical side; And be provided with thermal insulation pad 24 below described waterproof board 20, the inner end of thermal insulation pad 24 extends to daylighting cover 2 below, and outer end to sealing tape 24.

The light guide lighting system solution ensures that the roof does not seep or leak, and it has been well verified after the construction is completed. Then the light pipe needs to pass through the pipeline equipment layer, and the length used is nearly 9 meters long. Can it guarantee sufficient lighting efficiency? Before the implementation, the efficiency of the whole set of products was checked and calculated as follows. The performance index parameters of the materials used come from the Solatube light pipe system that has been successfully used in the project in the market. Calculation model:

(1) The efficiency value of the daylighting cover is 90.69%;

(2) The primary reflectance of the light pipe is 99.7%. When the light pipe is 3m long and the sun’s altitude angle is 30 degrees, the number of reflections n is about 10 times; when the light pipe is 9M long, the number of reflections n is about 30 times

One reflection length: l＝0.53*tan30°＝0.306(m)

Number of reflections: n=L/l=9/0.306=29.4≈30 (times)

Then the light guide (9m long) efficiency: 0.997 ³⁰ ≈ 0.9138 ≈ 91.3%;

(3) The diffuser efficiency value is 90.96%;

(4) Theoretical efficiency (Tr) of the whole set of products: 90.69%*91.3%*90.69%=0.751.

Considering the influence of unfavorable factors such as special weather on the efficiency of the whole set of products, the efficiency of the whole set of products (Tr): ≥0.70

After calculation, if the light pipe system is adopted in the silk workshop of United Works, the lighting efficiency of the whole set of products can be guaranteed. For this reason, the United Workshop uses a total of 183 sets of light pipe systems. Considering that the entire light pipe system is auxiliary lighting for the workshop during the day, the plane layout of the entire system is mainly arranged at the pedestrian passages and entrances and exits, and the height of the diffuser from the ground is 8.5 meters. . After the entire project was implemented, we tested the entire system, and the test results are shown in the table below:

On sunny days, indoor and outdoor illuminance

Rainy days, indoor and outdoor illuminance

The test results show that the lighting conditions at the scene are very good. Zhejiang China Tobacco Industry Co., Ltd. finally implemented the light pipe system in the 11th Five-Year Relocation Joint Workshop Project, which brought direct benefits.

(1) Analysis of direct power saving and power consumption (only for annual saving of electricity bills under sunny conditions): According to existing experience and historical data, the effective working hours of the light pipe system will vary according to the seasons, specifically: In summer, it is about 11 hours (7am-6pm); in winter, it is about 7 hours (9am-4pm); in spring and autumn, it is about 8.5 hours (8am-4:30pm). "Except for special weather such as rainy days". According to historical experience, the special weather that affects the effective operation of the system mostly occurs in autumn and winter, about 10 days/season, and in summer and spring, about 5 days/season. In addition, the number of days in the four seasons is: 90 days in winter; 92 days in spring; 92 days in summer; and 91 days in autumn. Overview of the original lighting lamp configuration (200W/unit), power configuration status, and lamp usage of the project: 1) Overview of lamp configuration in the silk workshop (200W/unit): 375 units. 2) Power allocation status: ① Electricity fee (per kwh) during the day (peak period of power supply): 1 yuan/kwh; ② Bulb replacement frequency: 1 time/3 years; 3) Lighting usage: 1/3 of the lamps are used throughout the year (The number of lamps turned on is calculated as 375 lamps). The effective working time of the annual daylight system is: 11x(92-5)+7x(90-10)+8.5x(92-5)+8.5x(91-10)＝2945(hours)

Annual power saving degree: (375*200)/1000*2945/3＝73625(degrees)

Annual electricity savings: 1 (yuan/kWh) x 73625 (kwh) = 73625 (yuan)

(2) Analysis of saving consumables (saving the replacement cost of bulbs and lampshades): It is known that the price of 200W bulbs for this project is: 1,000 yuan/piece. Calculated according to the national standard life of lighting fixtures for 3 years (10,000 hours): traditional electric lighting bulbs need to be replaced once every 3 years. Annual saving of equipment update fee: = (375*1000)/3 = 125000 (yuan)

(3) Energy saving and environmental protection: Solatube products replace electric lighting, reduce the emission of harmful substances such as carbon dioxide, save energy consumption, and reduce air pollution. A harmonious, healthy, energy-saving and environmentally friendly lighting method has been constructed. This project uses light pipe lighting, and the environmental pollution reduction data due to power saving is as follows: Under most climatic conditions, a set of Solatube light pipe products can replace two 3-lights (installed with F032T8 bulbs), electronically controlled 2x4 Light output from fluorescent troffer fixtures (93W each), 9 hours per day, 5 days per week, 52 weeks per year.

Every 1,000 sets of Solatube light pipe systems used in industrial buildings can reduce energy consumption by 435,240kWh a year. In regions where coal is used for electricity generation, this reduction in energy consumption also means that 13,057,270 g of CO2 gas is prevented from being released into the atmosphere. Therefore, the power energy saved by using 183 sets of products is 79651KWH, and there is no increase in operating costs.

According to the above table, the following data are obtained:

Among the above three power generation methods, using natural gas to generate electricity is the most environmentally friendly, but they are all non-renewable energy sources, so they cannot be compared with clean, green, and natural sunlight. (The above calculations are based on Dr. Neall Digert's paper)

Total annual energy savings = 73625 yuan + 125000 yuan + 45809 yuan = 244434 yuan

Unit price of light pipe system (pipe length 9m): 13486.4 yuan/set, 183 sets in total.

The total investment cost of light guide lighting equipment for this project = 183 (set) * 13486.4 (yuan/set) = 2468000 yuan

Project static investment payback period:

Static payback period = total input cost of light guide lighting equipment / total annual energy saving cost = 2468000 yuan / 244434 yuan = 10 years

(4) Calculation of air-conditioning cost savings; analysis of electricity saving for air-conditioning costs (saving cooling and heating load costs): lamps convert 25% of electrical energy into light energy, and the rest into heat energy in bulbs, and then use radiation, convection and conduction way to radiate outwards. Nearly 25% of the electric energy is dissipated in the form of radiation (the radiation dissipated part is firstly absorbed and stored by the enclosure structure and indoor furniture); about 50% of the electric energy is dissipated in the form of convection and conduction (when the temperature is higher than the indoor temperature, , and then passed to the indoor air by convection).

Annual heat dissipation of lamps = total power * 1.25 * 3.4 * 0.2928 = 73625 * 1.25 * 3.4 * 0.2928 = 91618 (KW)

Annual heat energy dissipated into the air = 91618 (KW) * 50% = 45809 (KW)

Annual saving of air conditioning costs = 45809 (KW) * 1 (yuan/KW) = 45809 (yuan)

Instead of electric lamps, the heat load generated requires cooling costs = 45809 (yuan)

The light pipe system is used, because of its small opening size, good sealing performance, and no heat generation, which reduces the cold and heat transfer coefficients, and has good thermal insulation performance. Compared with traditional lighting methods (electric lighting, skylight lighting), it saves energy consumption for heating and cooling, and saves this part of the cost for this project. If there are side windows and skylights in the room, the air-conditioning load needs to increase by about 5-10% due to the large area.

(5) Work efficiency survey. 1) Save labor and regular cleaning costs: the light pipe is easy to clean and clean, because the design of the lighting cover is hemispherical. If there is enough rain in the area, the dust on the lighting cover can be washed away by rainwater and wind, and the product can achieve self-cleaning As a result, the cost of manual regular cleaning is eliminated. 2) Increased employee productivity and improved work environment: Research results indicate that constant electrical light will induce low levels of sensory deprivation, which in turn can lead to impairment of organized thinking, frustration, confusion or general irritability. Conversely, changes in light have a positive impact on employee performance. A study of the performance of shift workers in an environment with skylights simulating daylight lighting showed that shift workers in such an experimental environment had high levels of mental arousal and better performance on cognitively challenging tasks. Under the irradiation, the production enthusiasm of employees can be improved, and the human body clock can be adjusted under the irradiation of natural light. Working in a sunlight environment makes people feel more comfortable. Improve the working environment and make people feel happy.

Through the above analysis and combined with the actual test results, the improved light pipe lighting system has the value of popularization and application in large-scale workshops in specific tobacco production environments. As a green project of China Tobacco Group, this project selects truly environmentally friendly and energy-saving products, which has played a demonstration role for the society, has a huge social impact, and has played a positive role in improving the social image of China Tobacco Group.

Claims (6)

1. cigarette industry factory building optical illumination system; This device comprises photoconductive tube (1), dome skylight (2), diffusing screen (3) and connector; Connector is arranged on factory building roof (7) top, and photoconductive tube (1) upper end is connected with dome skylight (2), and the hole that connector and roofing (7) are passed in the middle part extends within doors; Be that polyurathamc (9) joint filling is arranged between the hole of factory building roof (7) and the photoconductive tube (1); Photoconductive tube (1) is fixedly connected through steel wire rope (5) and the framework (8) that is arranged on the roof within doors, and the lower end of photoconductive tube (1) is provided with hangs circle (6), and described steel wire rope (5) lower end is fixed on hangs on the circle (6); It is characterized in that: described connector comprises anticorrosion wood (10,11), C shaped steel connection box (12), rock cotton board (13), polystyrene extruded sheet (15), cement plate (16), first waterproof roll (18), second waterproof roll (19), splash guard (20) and the 3rd waterproof roll (22); Described anticorrosion wood (10,11) formation has the framework of vertical bar (10) and horizontal bar (11); Be provided with the hole that is used to install photoconductive tube (1) in the framework; Described vertical bar (10) and horizontal bar (11) constitute " L " type structure; Described C shaped steel connection box (12) is embedded in the cavity that horizontal bar (11) and roofing (7) form; Fixing between C shaped steel connection box (12) and the vertical bar (10) through screw (13); Fill described rock cotton board (13) in the C shaped steel connection box (12), and the covering concordant with the lateral surface of horizontal bar (11) of the lateral surface of rock cotton board (13) is provided with polystyrene extruded sheet (15), and described cement plate (16) covers the outside of polystyrene extruded sheet (15); And being equipped with cement mortar screeding (17) at the upper surface of horizontal bar (11), polystyrene extruded sheet (15) and the lateral surface of cement plate (16), cement mortar screeding (17) surface is provided with base treatment agent; The lateral surface of cement mortar screeding (17) is provided with described first waterproof roll (18), second waterproof roll (19); The lower end of first waterproof roll (18), second waterproof roll (19) extends to roofing (7), and on roofing (7), is provided with and first waterproof roll (18), the continuous coverage rate of second waterproof roll (19); Second waterproof roll (19) of framework top is provided with described splash guard (20); Splash guard (20) is fixed on the framework through trip bolt (21); The top extends to dome skylight (2) below, is provided with sealant tape (25) between below and second waterproof roll (19); Described the 3rd waterproof roll (22) covers splash guard (20) top, and also roll up to dome skylight (2) below the 3rd waterproof roll (22) upper end, and the lower end of the 3rd waterproof roll (22) extends to vertically side of second waterproof roll (19); And being provided with insulation pad (24) in the below of described splash guard (20), the inner of insulation pad (24) extends to dome skylight (2) below, outer end to sealant tape (25).

2. cigarette industry factory building optical illumination according to claim 1 system; It is characterized in that: described first waterproof roll (18), second waterproof roll (19) are provided with screw and fix on vertical plane, go up by second waterproof roll (19) sealing, first waterproof roll (18) at roofing (7).

3. cigarette industry factory building optical illumination according to claim 1 system is characterized in that: splash guard (20) adopts the thick aluminum steel sheet of 0.6 ~ 1.0mm, in aluminum steel sheet external powder coating.

4. cigarette industry factory building optical illumination according to claim 1 system is characterized in that: fill a circle marine glue around the trip bolt (21).

5. cigarette industry factory building optical illumination according to claim 1 system, it is characterized in that: the thickness of polystyrene extruded sheet (18,19) is 3 ~ 5mm.

6. cigarette industry factory building optical illumination according to claim 1 system; It is characterized in that: the thickness of anticorrosion wood (10,11) is 40 ~ 60mm; The thickness of rock cotton board (13) is 70 ~ 90mm; XPS (15) thickness is 40 ~ 60mm, and the thickness of cement plate (16) is 15 ~ 25mm, and the thickness of cement mortar screeding (17) is 15 ~ 25mm.

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