Some standard content:
Electronic Industry Standard of the People's Republic of China
SJ/T10546—94
Generic specification for
particular fluorescent lamps
Issued on August 8, 1994
Implementation on December 1, 1994
Issued by the Ministry of Electronics Industry of the People's Republic of China Electronic Industry Standard of the People's Republic of China
Generic specification for
particular fluorescent lamps 1 Subject content and scope of application
ST/T10546—94
1.1 Subject content
This specification specifies the general technical requirements and test methods, quality assessment rules, marking, packaging, transportation and storage of special fluorescent lamps (hereinafter referred to as lamps).
1.2 Scope of application
This specification applies to special fluorescent tubes and is further supplemented by blank detailed specifications suitable for certain types of tubes. 2 Reference standards
2.1 Priority order
Regardless of the reasons for the conflict, the specifications at all levels shall be implemented in the following order. a.
Detailed specifications;
General specifications;
Basic specifications;
Other referenced documents.
2.2 Reference standards
GB2313
GB2421
GB2799
GB2828
GB7248
GB7451
Graphical symbols for packaging, storage and transportation
Ballasts for tubular fluorescent lamps
General regulations for basic environmental testing for electric and electronic productsTypes and dimensions of pin-type lamp holders
Count sampling procedures and sampling tables for batch inspection (applicable to inspection of continuous batches)Safety requirements for electric light sources
Terms for electric light sources
Test methods for special fluorescent tubes
3 Units, symbols and terms
The units, graphic symbols, text symbols and terms used in this specification shall be selected from the standards listed in 2.2 or derived according to the principles of the above standards, and explained.
1994-08-08 approved
Ministry of Electronics Industry of the People's Republic of China
1994-12-01 implemented
4 Technical requirements
4.1 Appearance quality
SJ/T10546--94
4.1.1 The glass tube of the lamp tube should be clean and transparent, without bubbles, stones and streaks that hinder use. 4.1.2 The fluorescent powder coating of the lamp tube should be evenly coated, without serious powder shedding and spots and marks that affect normal use. 4.1.3 The lamp tube should have clear, correct and durable markings. 4.2 Structural requirements
4.2.1 Fixing plate of the electrode lead of the lamp tube
The electrode lead of the lamp tube should be firmly fixed on the lamp holder pin. After fixing, the maximum diameter of the lamp holder pin shall not exceed 2.67mm.
4.2.2 Structural dimensions
The structural dimensions of the lamp tube shall be specified in the detailed specifications. 4.2.3 Assembly deviation between the lamp holder and the lamp tube glass shell
The assembly deviation between the lamp holder and the lamp tube glass shell shall be specified in the detailed specifications. 4.2.4 Lamp holder dimensions
The lamp holder used for the lamp tube shall be selected from the GB2799 standard. 4.3 Starting characteristics
The detailed specifications of various types of lamp tubes shall specify the following starting characteristics. a. Starting voltage;
b. Starting time.
4.4 Electrical characteristics
The detailed specifications of various types of lamp tubes shall specify the following parameters. 4.4.1 Lamp power
The initial reading of the lamp power shall not be greater than 105% of the rated power specified in the detailed specifications plus 0.5W. 4.4.2 Lamp terminal voltage
4.4.3 Lamp current
a. Preheating current;
5. Working current
4.5 Light color characteristics
4.5.1 The initial luminous flux of the lamp shall not be less than 90% of the rated value specified in the detailed specification. 4.5.2 Color coordinates of the lamp
The target value of the color coordinates of the lamp is shown in Appendix A.
The color tolerance (SDCM) of the lamp shall not be greater than 8.
4.6 Safety requirements
4.6.1 Firmness of connection between lamp holder and lamp glass shell After the lamp holder and lamp glass shell are assembled, the lamp shall remain firm and reliable during and after operation. The following requirements shall be met for the use of G23 lamp holders: When an axial tensile force of 40N is applied to the new lamp, the lamp glass tube and the lamp holder shall not be loose. The fulcrum is located on the reference plane of the lamp holder (the plane that matches the lamp holder).
At the end of the life of the lamp, the lamp cap shall not have any damage that would reduce safety. The requirements for the use of other types of lamp caps are specified in the detailed specifications. —2
4.6.2 Insulation resistance
SJ/T10546—94
The insulation resistance between the metal parts of the lamp cap and all the pins connected together shall not be less than 20Mα. 4.6.3 Heat resistance
The insulating material of the lamp cap shall have sufficient heat resistance and shall comply with the requirements of GB7248. 4.6.4 Fire and flame resistance
The fire and flame resistance of the lamp cap shall comply with the requirements of GB7248. 4.6.5 Leakage distance of lamp cap
The minimum leakage distance between the lamp cap pins and the metal parts on the lamp cap shall comply with the requirements of GB7248. 4.6.6 Temperature rise of lamp cap
The surface temperature rise of the lamp cap shall be specified in the detailed specifications. 4.6.7 Moisture resistance of lamp holder
After the moisture test, the lamp holder shall not have any rust. 4.7 Life
The life of the lamp is specified in the detailed specification. If the measured luminous flux maintenance rate of the lamp at 70% of the life is not less than 70%, the life test is considered to be qualified. 5 Test method
5.1 Test conditions
Unless otherwise specified, all tests shall be carried out under the standard atmospheric conditions specified in GB2421 (temperature 15~35℃, relative humidity 45%~75%, air pressure 86~106kPa). 5.2 Alternative method
The method given in this specification is not the only test method. The manufacturer may adopt an alternative method with equivalent results. Where the method specified by reference is specified in the detailed specification, the alternative method shall not be used. 5.3 Appearance inspection
a. The appearance of the lamp (4.1.1, 4.1.2 and 4.1.3) shall be inspected visually under normal lighting conditions in the factory and without the aid of auxiliary observation equipment. b. The durability of the mark (4.1.3) shall be inspected in accordance with 3.1.2 of GB7248. 5.4 Structural requirements
The structure of the lamp (4.2.1, 4.2.2, 4.2.3 and 4.2.4) shall be inspected with a caliper or special gauge. 5.5 Starting characteristics
The starting characteristics of the lamp (4.3) shall be tested in accordance with the SJ special fluorescent lamp test method. 5.6 Electrical characteristics
The electrical characteristics of the lamp (4.4) shall be tested in accordance with the SJ special fluorescent lamp test method. The first test shall be carried out on the specified circuit for 100 hours. 5.7 Light and color characteristics
The light and color characteristics of the lamp tube (4.5) shall be tested according to the SJ special fluorescent lamp test method. The first test shall be aged for 100 hours on the specified circuit. The aging circuit and specifications are specified in the detailed specifications. 5.8 Safety requirements
5.8.1 The connection firmness between the lamp holder and the glass shell of the lamp tube (4.6.1) shall be checked with a tensile gauge with an error of no more than 0.1N. During the test, the tension is gradually increased from zero to the specified value along the axis. The tension is applied between the glass shell of the lamp tube and the lamp holder along the axis. -3—
5.8.2 Insulation resistance
SJ/T1054694
The insulation resistance of the lamp holder (4.6.2) shall be tested according to Article 3.4 of GB7248. 5.8.3 Heat resistance
The heat resistance of the lamp holder insulation material (Article 4.6.3) shall be checked in accordance with Article 3.9 of GB7248. 5.8.4 Fire resistance and flame retardancy
The fire resistance and flame retardancy of the lamp holder insulation material (Article 4.6.4) shall be checked in accordance with Article 3.10 of GB7248. 5.8.5 Lamp holder leakage distance
The hysteresis distance between the lamp holder pin and the metal parts on the lamp holder (Article 4.6.5) shall be checked in accordance with Article 3.3 of GB7248. 5.8.6 Lamp holder temperature rise
The temperature rise of G23, GX23 and GR8 lamp holders (Article 4.6.6) shall be tested in accordance with the SJ special fluorescent lamp test method. 5.8.7 Moisture resistance of lamp holder
The moisture resistance of lamp holder (Article 4.6.7) is to place the lamp in a constant temperature and humidity chamber at a temperature of 40 ± 2 ℃ and a relative humidity of 90% to 95% for 48 hours, and then use the appearance method to check whether the bottom metal of the lamp holder is rusted. 5.9 Lifespan
The lifespan is tested according to the SJ special fluorescent lamp test method. 6 Quality inspection rules
6.1 Inspection classification
The quality assessment of lamps is divided into two categories: identification inspection and quality consistency inspection. 6.2 Identification inspection
6.2.1 Identification inspection is the inspection items of each group specified by the quality consistency inspection specified in this specification. Identification inspection should be carried out in one of the following situations: a.
New products or old products are transferred to the factory for trial production and identification. After formal production, if there are major changes in structure, materials and processes, which may affect product performance; b.
When the product is discontinued for more than 12 months and then resumed. c.
The sample size and qualified number (number of unqualified products) of each inspection group shall comply with the requirements of Table 1. 6.2.23
Inspection group
6.3 Quality consistency inspection
Quality consistency inspection is generally composed of the following three inspection groups: Group A (batch inspection)
Group B (batch inspection)
Group C (periodic inspection)
6.4 Batch inspection
Cumulative sample
6.4.1 Batch inspection items
Group A1
Appearance quality (Article 4.1)
Group A2
Starting voltage (Article 4.3.a)
Starting time (Article 4.3.b)
Group A3
Insulation resistance (Article 4.6.2)
Group B1
Fixed quality of lamp tube electrodes
Structural dimensions
Assembly deviation between lamp holder and glass tube
B2 group
Lamp power
Lamp terminal voltage
B3 group
Lamp luminous flux
Lamp color coordinates
SJ/T10546-94
(Article 4.2.1)
(Article 4.2.2)
(Article 4.2.3)
(Article 4.4.1)
(Article 4.4.2)
(Article 4.5.1)
(Article 4.5.2)
6.4.2 The sampling plan, inspection level (IL) and acceptable quality level (AQL) for batch inspection shall comply with the provisions of GB2828 and be specified in the blank detailed specification.
6.4.3 Unqualified products found in batch inspection shall be removed from the batch. Rejected batches in batch inspection may be processed according to the requirements of detailed specifications and resubmitted according to the original sampling plan, but only once is allowed. If the inspection still fails, the batch shall be judged as unqualified.
6.5 Periodic inspection
6.5.1 Items for periodic inspection
Group C1
Firmness of connection between lamp holder and lamp glass shell (Article 4.6.1)Heat resistance
Fire prevention and combustion prevention
Lamp leakage distance
Temperature rise of lamp holder
Moisture resistance of lamp holder
Group C2
(Article 4.6.3)
(Article 4.6.4)
(Article 4.6.5)
(Article 4.6.6)
(Article 4.6.7)
(Article 4.7)
6.5.2 The group division, sampling plan and inspection period of periodic inspection shall be specified in the blank detailed specification. 6.5.3 When the periodic inspection fails to meet the requirements of the detailed specification, the inspection batch represented by the inspection shall be analyzed to find out the reasons for non-conformity. After taking measures, the inspection shall be re-performed in accordance with the requirements of the detailed specification. If the requirements are still not met, the batch shall be considered unqualified. 5
6.6 Delayed delivery
SJ/T10546—94
For lamps with a storage period of more than 12 months, unless otherwise specified in the detailed specification, the batch shall be re-inspected in accordance with the requirements specified in the detailed specification before delivery.
The inspection items and the qualified judgment level shall be specified in the detailed specification. 7 Marking, packaging, storage
7.1 Marking
7.1.1 The lamp shall have the following markings
Manufacturer's trademark;
Product model:
Manufacture date (year, quarter or month).
Marks on the packaging box
Manufacturer name and trademark;
Product name and model;
Standard number:
Number of lamps;
Gross weight, net weight, volume;
Date of manufacture (year, month, day);
Production license number;
"Handle with care", "Afraid of moisture" and other relevant graphic signs in accordance with GB191. 7.2 Packaging
The packaging of lamps should be specified in the detailed specifications. Each packaging box should be accompanied by product certificates, packing lists, operating instructions and other documents. 7.3 Lamps should be stored in a ventilated room with a relative humidity of no more than 85%. There should be no corrosive gases in the air. The inventory of lamps should not exceed 12 months, starting from the date of manufacture. 7.4 During transportation, lamps should be protected from rain, snow and strong mechanical vibration. 6
Target values
SJ/T10546-94
Appendix A
Target values and tolerances of color coordinates
(Supplement)
Unless otherwise specified in the detailed specifications, the color coordinates of standard colors are in Table A1. Table A1
Daylight color
Cold white
Warm white
For special colors, the manufacturer shall give the target values of color coordinates. Tolerance range
Correlated color temperature (K)
The locus of the color coordinate point that differs from the target value of the color coordinate by A (SDCM) is an ellipse determined by the following formula: guAx2+2giAxAY+gzAy2=A...
Where: △X, △YThe difference between the color coordinates of point A relative to the target values X and Y: g11g12, g22—coefficients determined by color, A2.1 Coefficients of standard colors
The coefficients of standard colors are shown in Table A2:
Daylight colorbZxz.net
Cold white
Warm white
86×104
42×10t
38×10t
39×104
Geometric parameters of the color coordinate tolerance ellipse||t t||The geometric parameters of the color coordinate tolerance ellipse are shown in Table A3 Color
Daylight color
Cold white
Warm white
58°23
54°44
52°58
53°10°
—44×10
—22×10
-20×10||tt ||—19.5×104
45×10t
26×104
25×104
27.5×104
SJ/T10546—94
Note: 1) 8 is the angle between the main axis of the ellipse and the x-axis; 2) a and b are the lengths of the major and minor semi-axes of the SDCM in the ellipse, respectively. A2.3 For special colors, the manufacturer should give its coefficients. A3 Chromaticity diagram
The color coordinate diagrams of the four standard colors made according to Table A1 and Table A2 are shown in Figure A1, Figure A2, Figure A3 and Figure A4 respectively.
Target valuex=0.313y=0.337
Target value and tolerance range of color coordinates of standard daylight color fluorescent lamp Figure A1
1--5(SDCM)
2-6(SDCM)
3--8(SDCM)
SJ/T10546—94
Target value
x=0.372y=0.375
Figure A2Target value and tolerance range of color coordinates of standard cool white fluorescent lamp 1 -5(SDCM)
26(SDCM)
Target value x=0.409y-0.394
3-8(SDCM)
Figure A3 Target value and tolerance range of color coordinates of standard white fluorescent lamp 1--5(SDCM)
2-6(SDCM)
3—8(SDCM
Additional instructions:
SJ/T10546—94
National standard value x=0.440y=0.403
Figure A4 Target values and tolerance ranges of color coordinates of standard warm self-color fluorescent lamps 1-5 (SDCM)
2-6 (SDCM)
This specification is under the jurisdiction of the Electronic Standardization Institute of the Ministry of Electronics Industry. 3—8 (SDCM)
This specification was drafted by the Standardization Institute of the Ministry of Electronics Industry and Weihai Beiyang Electric Group Corporation. The main drafters of this specification are Gao Fucai, Lai Wanqiong, Wang Haijian, 10
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