GB 2797-2008 English PDF

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GB 2797-2008: [GB/T 2797-2008] Technical specification for lamp caps
Status: Valid

GB 2797: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 2797-2008	319	Add to Cart	3 days	[GB/T 2797-2008] Technical specification for lamp caps	Valid
GB 2797-1994	70	Add to Cart	Auto, < 3 mins	General specifications for lamp caps	Obsolete
GB 2797-1981	319	Add to Cart	3 days	General specifications for lamp caps	Obsolete

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Basic data

Standard ID: GB 2797-2008 (GB2797-2008)
Description (Translated English): [GB/T 2797-2008] Technical specification for lamp caps
Sector / Industry: National Standard
Classification of Chinese Standard: K74
Classification of International Standard: 29.140.10
Word Count Estimation: 12,129
Date of Issue: 2008-12-15
Date of Implementation: 2010-01-01
Older Standard (superseded by this standard): GB 2797-1994
Regulation (derived from): Announcement of Newly Approved National Standards No. 21 of 2008 (No. 134 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Chinese standard specifies the various metal lamp, ceramic lamp holder and plastic cap safety requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the finished screw on the lamp type, pin type, pre-focus type, miscellaneous and bayonet cap.

GB 2797-2008: [GB/T 2797-2008] Technical specification for lamp caps

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical specification for lamp caps ICS 29.140.10 K74 National Standards of People's Republic of China Replacing GB 2797-1994 General technical conditions of the cap Posted 2008-12-15 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

All the technical contents of this standard is mandatory. This standard shall be used together with the relevant product standard lamp, if any difference to the standard lamp shall prevail. This standard replaces GB 2797-1994 "General technical conditions of the cap." The main differences between this standard and GB 2797-1994 are as follows. --- Increasing the definition of a chapter, an increase in Appendix A; --- References to chapters, mechanical strength, test methods, inspection rules were modified. Appendix A of this standard is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of electrical lighting (SAC/TC224) centralized. This standard drafting unit. Beijing Lighting Research Institute, Deqing new Minghui Light Sources Ltd.. The main drafters of this standard. Qusu Hui, Yang Xiaoping, Zhao Xiurong, Jiang Shan, Qian Fang, Li Xiaoqing, Duan Yan Fang. This standard replaces the standards previously issued as follows. --- GB 2797-1981, GB 2797-1994. General technical conditions of the cap

1 Scope

This standard specifies the various metal lamp, ceramic lamp holder - Safety requirements and plastic cap, test methods, inspection rules, marking, packaging, transportation Transport and storage. This standard applies to screw-on finished lamp on the pin type, pre-focus type, and miscellaneous bayonet cap. Note 1. The standard eligibility conditions involve only safety indicators lamp, the lamp does not consider the specific type and size requirements. Use of this standard should reference GB/T 1406 series of standards. Note 2. In addition to the screw type, pin type, pre-focus type and bayonet cap, are classified as miscellaneous cap.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 packaging and marking transport and storage (GB/T 191-2008, ISO 780.1997, MOD) safety-Part 3. gaugesMOD) GB/T 1483.3 Lamp caps Gauges - Part 3. pre-focus lamp holder, lamp holder gauge (GB/T 1483.3-2008, IEC 60061-3.2007, Lampcapsandholderstogetherwithgaugesforthecontrolofinterchangeability andsafety-Part 3. gaugesMOD) GB/T 1483.5 Lamp caps Gauges - Part 5. bayonet lamp holder gauge (GB/T 1483.5-2008, IEC 60061-3.2007, Lampcapsandholderstogetherwithgaugesforthecontrolofinterchangeability andsafety-Part 3. gaugesMOD) GB/T 2900.65 Electrotechnical terminology Lighting ((GB/T 2900.65-2004, IEC 60050 (845). 1987, MOD) GB/T 5169.10 Fire hazard testing for electric and electronic products - Part 10. Glowing/hot wire based test methods - Glow wire mounted Set Common test methods (GB/T 5169.10-2006, IEC 60695-2-10.2000, IDT) GB/T 21098-2007 Lamp caps and test its safety and interchangeability gauge Part 4. Guidelines and general information (IEC 60061-4.2004, IDT) IEC 60061-2 Lamp caps and holders of interchangeability and safety gauges - Part 2. Lampholders IEC 60061-3 Lamp caps and holders of interchangeability and safety gauges - Part 3. Gauges

3 Terms and Definitions

GB/T 2900.65 determined and the following terms and definitions apply to this standard. 3.1 To use sockets or light fittings lamp components and power connections, and in most cases for fixing the lamp holder. [845 08-15] 3.2 Lamp housing can be screwed into the holder with the threaded cap (international name E-type). [845-08-16] 3.3 Cap lamp housing can be snapped to the socket with groove pins (International Nomenclature B type). [845-08-17] 3.4 Lamp into a smooth cylindrical cap (international name S type). [845-08-18] 3.5 On the base with one or more pins of the cap (international name. For a single pin for the F-type; for two or more pins for the G-type). [845-08-19] 3.6 Light bulb in the manufacturing process in the light emitter mounted on the cap with respect to a particular position of the cap, it will give the bulb inside the lamp holder supporting load When precise positioning repeatability (International Nomenclature P-type). [845-08-20] 3.7 From the lamp (especially bayonet cap) protruding metal parts on the housing it with the notches on the card fit the lamp cap lamp holder is fixed. [845-08-21] 3.8 On the base (insulated from the housing) is connected to a guide wire, sheet metal lamp for the power supply connected. [845-08-22] 3.9 Fixed end cap is generally cylindrical metal member, to the corresponding jack to connect the lamp socket, or the lamp cap and lamp holder fixed electrical ground touch. [845-08-23] 3.10 The lamp fixed position, usually inserted therein lamp and lamp power supply and connecting devices. [845-08-24] 3.11 Device consists of an insulator and corresponding elastic connecting components of the connector and the power supply is connected to the lamp, but can not afford to support the lamp effect. [845-08-25] 3.12 Electrical contact with the lamp holder directly through the end surface of the lamp leads to complete, the glass member (or other insulating material part) of the lamp End of the match in the socket mounting is essential. Such models are also suitable as a substitute for a whole type lamp end, and in accordance with the same Independent insulation cap interchangeability requirements.

4 Products

According to the structure characteristics can be divided into. a) screw-on cap (E); b) Pin lamp holder (G.F); c) pre-focus lamp holder (P); d) recessed lamp (R); e) cylindrical cap (S); f) bayonet cap (B); g) The lamp ends (W). By Housing Material characteristics can be divided into. a) a metal cap; b) ceramic lamp; c) plastic cap.

5 Technical requirements

5.1 Model and main dimensions 5.1.1 Base Type naming should be consistent with the provisions of GB/T 21098-2007 of. 5.1.2 The main dimensions of the cap should be consistent with GB/T 1406.1, GB/T 1406.2, GB/T 1406.3, GB/T 1406.4 and GB/T 1406.5 regulations, provisions of this standard Write lamp shall comply with IEC standards. 5.2 material and appearance quality 5.2.1 bayonet cap pins shall be of steel or brass, brass pins and electrical contact pads or the same as the performance of the material should be used manufacture. Metal cap insulator glass, ceramics, high temperature resistant bakelite or plastic and other materials should be used. Plastic cap should be temperature, flame retardant materials to meet the requirements of 5.5 and 5.6. 5.2.2 metal lamp housing surface should be treated against corrosion. 5.2.3 lamp appearance should be smooth, no defects, no wrinkles, no cracks, no scratches pin, the outer surface of the coating should have bubbled serious passivation solution Marks and partial uncoated defects. 5.2.4 coating the inner surface of the cap should not be exposed at the end and there is corrosion phenomenon. 5.2.5 cap coating should have sufficient bonding strength, the test should not have come off and peeling. 5.3 Mechanical strength 5.3.1 cap insulator and the metal housing should be firmly connected lamp should be able to withstand the relevant product standard mechanical strength requirements not specified Deformation or damage should affect the normal use. 5.3.2 cap insulator and housing, electrical contact pads and pin connections should not be loose phenomenon. 5.3.3 Such lamp with positioning key, be sure a similar type lamps are not interchangeable. The lamp shall comply with the relevant provisions of the standard lamp lights Head/targeting key requirements. 5.4 insulation resistance and dielectric strength Insulation resistance 5.4.1 lamp housing and electrical contacts (pins) between, under normal atmospheric conditions should be not less than 50MΩ, in humid atmospheric conditions Lower parts should not be less than 2MΩ. 5.4.2 between the housing and each one electrical contact (pin) dielectric strength and contacts (pins) and contacts (pins) between the light should be able to withstand the relevant Product standard requirements without the occurrence of a breakdown or arcing phenomena. 5.5 heat resistance Cap insulating material should have sufficient heat resistance. 5.6 Ignitibility Cap insulating material should have high temperature resistant and anti-abnormal combustion performance. 5.7 may unexpectedly live parts 5.7.1 live parts and insulated metal parts may not or should not be charged. 5.7.2 In addition to the cap pins (contacts), the live parts should not highlight any part of the cap. 5.8 creepage distances and clearances Lamp pins or contact between the cap and the metal housing of the minimum creepage distances and clearances shall comply with GB/T 21098-2007, each Standard lamp, lamp type size requirements in the standard.

6 Test methods

6.1 General test conditions. temperature of 15 ℃ ~ 35 ℃, relative humidity of 45% to 75%. 6.2 The main dimensions of the lamp (5.1) in line with GB/T 1483.1, GB/T 1483.2, GB/T 1483.3, GB/T 1483.5, IEC 60061-3 amount of regulatory inspection, lamp standards and criteria specified in the Write Write a predetermined gauge lamp test available IEC 60061-3 predetermined gauge inspection. 6.3 material and appearance quality (5.2.1,5.2.3,5.2.4) test method with the appearance. 6.4 coating bond strength (5.2.5) test by heating test. 5min specimen was hold at a temperature of 300 0-5 ℃, and then the coating was observed to be No loss, peeling and blistering. 6.5 moisture resistant (5.2.2) in a humid chamber carried out before the sample is placed in the chamber, the cap should be to de-grease process and When stored at 45 ℃ 2h, the temperature was stabilized sample at a temperature of 40 ℃ ± 2 ℃, relative humidity of 91% to 95% under the condition of holding 48h, the outer surface should not have rust phenomenon. 6.6 insulator connected with the housing, electrical contact pads and pins (5.3.2) with the appearance of the test method. Connection firmness (5.3.1) and the strength of the connection pin bayonet cap of the housing (5.3.2) 6.7 insulator between the metal housing and should Separately on a dedicated test device. After the test, the cap should not be damaged in any way affect safety occur. 6.8 targeting key using the appropriate measuring system and/or visual inspection method (5.3.3) eligibility. 6.9 Insulation resistance test (5.4.1) under normal test conditions, the specimen should be stored after 2h measured under these conditions. Under wet conditions, 1h can be stored in humid conditions prescribed under 6.5, measured within 5min after removing from the chamber. Application of soft paper before measuring the surface of the lamp drops siphoning off applying 500V DC voltage 1min measurement. With the appropriate test equipment Eligibility. In the case of the lamp housing is completely made of an insulating material, in accordance with the requirements of IEC 60061-2, the lamp and lamp holder with minimum inclusion size When connected, the entire test shall be connected together and wrap pins accessible place between the surface of the metal foil. 6.10 cap dielectric strength test (5.4.2), the test should be carried out immediately after the completion of the insulation resistance test 6.9. Using a frequency 2U ± 1000V 50Hz or 60Hz sinusoidal AC voltage, which lasted 1min. U is the rated voltage of the lamp. Applying a first predetermined voltage value 1/2 at the beginning of the test, then rapidly increased to a predetermined value. It does not produce significant voltage drop glow discharge is negligible. 6.11 heat resistance test (5.5.1), Test A. the plastic cap placed in a heating oven heated to 130 ℃ ± 2 ℃ holding 48h before use 6.2 The method specified test its main dimensions. After the test, the specimen shall show any weakening of its security changes, especially not Appear the following conditions. Performance requirements for protection against electric shock --- 5.4 lowered; --- Cap pin loose, cracking, bulging and shrinkage, by visual inspection method. After the test, the dimensions shall comply with the requirements of 5.1. Test B. The surface of the sample placed horizontally, with a diameter of 5mm steel ball to the surface of 20N beat. If the surface of the test Now bend the part to prop up the ball pressure. The test shall be carried out at a temperature of 125 ℃ ± 5 ℃ heating cabinet. After 1h the ball away, the indentation measured diameter, which should not exceed 2mm. This test is not made on parts of ceramic. 6.12 Anti-combustibility test (5.6), heated to 650 ℃ with a nickel-chromium glow-wire tests on the specimen. The test apparatus GB/T 5169.10 In a note. The test sample should be mounted vertically on the stand close to the glow-wire ends, and 1N force is applied. Best part of it is from the upper portion of the test sample 15mm or more than 15mm of the edge positions. The glow-wire into the specimen is mechanically limited to a depth of 7mm. After the 30s, the sample With glow-wire tip disengagement. After the sample is removed from the glow wire, any flame on the specimen shall be extinguished in the 30s, and any burning or molten The whereabouts of the substance should not be ignited horizontally below the specimen at a distance of 200mm ± 5mm of five tissue. The glow-wire temperature and heating current before the start of the test should be constant 1min. But in the meantime to ensure that heat radiation should not affect the sample. Sheathed thermocouple wire using highly sensitive measuring glow wire temperature of the top, thermocouple configuration and calibration should be consistent with GB/T 5169.10 requirements. Note. For personal safety, in the glow-wire test to take measures to prevent the risk of the following occur. --- Explosion or fire; --- Inhale smoke and/or toxic substances; --- Toxic waste. 6.13 may accidentally live parts (5.7), for all product testing requirements for accidentally live parts, the manufacturer shall demonstrate continuous 100% test. Compliance is checked by appropriate detection system testing, including appropriate use of the visual inspection method. In addition, there should be regular daily equipment Inspection, acceptance inspection or effectiveness. 6.14 creepage distances and clearances (5.8), in the most unfavorable position of its measurements to verify their eligibility.

7 Inspection rules

Inspection rules using quality assessment rules, including two types of test. Type test and quality conformance inspection. Lamp quality and consistency test Type test sampling plan eligibility requirements determined in accordance with the implementation of the relevant lamp standards. 7.1 Inspection classification 7.1.1 Type test is the same number of models to test all the items to determine whether the manufacturer has the ability to produce conforming to this standard Requirements. 7.1.2 Quality test batch consistency test is based on samples taken periodically from the product inspection to determine the production Whether the process can guarantee the quality remained stable. 7.2 Type tests 7.2.1 type test, carried out in the following cases the look. a) The new product type; b) old products to the plant; c) the main products in the design, technology, materials and spare parts after the change; Resume production after d) discontinued three months. 7.2.2 Type test items listed in Table 1 and in order. Table 1 No. Test Item Test Method Terms and Conditions Main dimensions 5.1.2 5.2.5 Materials and Appearances Moisture resistance 5.2.2 Coating bond strength 5.2.5 The insulator and the metal shell firmly 5.3.1 The insulator and the metal shell and the pins are not loose 5.3.2 Pin and the metal shell firmness 5.3.2 Targeting key 5.3.3 Insulation resistance (normal) 5.4.1 6.2 6.3 6.5 6.4 6.7 6.6 6.7 6.8 6.9 Insulation resistance (wet) 5.4.1 Dielectric strength 5.4.2 5.5 heat resistance 6.9 6.10 6.11 Anti-flammable 5.6 You may accidentally live parts 5.7 Creepage distance and electrical gap 5.8 6.12 6.13 6.14 8 signs, packaging, transportation and storage 8.1 lamp should be assembled on a solid box. The box should be covered with a vapor barrier, together with a certificate issued by the inspection department. 8.2 on the box should be marked. a) manufacturer's name and trademarks; b) the name and model of the cap; c) number; d) product standards; e) the symbol GB/T 191 prescribed; f) packaging date. 8.3 on each certificate shall specify. a) Check the date; b) signature and inspection department inspectors. 8.4 transport process should prevent extrusion, pouring rain and snow attack, the handling process should not be violent collision. 8.5 lamp should be stored in dry, ventilated and non-corrosive gases and substances present, lamp shelf life greater than one year should be re-tested.

Appendix A

(Informative) Base Type Screw cap E5 E10 EP10 EY10 EZ10 E11 E12 E14 E17 E26 E26d E26/50x39 & E26/51x39 E27 E27/51x39 E39 E40 Bayonet cap BA7 B8.4d & BX8.4d BA9 BAX9s BAY9s BAW9s BAZ9s B15d BA15 BAU15 BAW15 BAX15d BAY15d BAZ15 BA15s-3 (100 °/130 °) BA20 BA21-3 (120 °) B22d Pin lamp Fc2 Fa4 Fa6 Fa8 G1.27 & GX1.27 G2.54 & GX2.54 GUX2.5d, GUY2.5d & GUZ2.5d G3.17 G4 GU4 GY4 GZ4 G5 G5.3 G5.3-4.8 GU5.3 GX5.3 GY5.3 G6.35, GX6.35 & GY6.35 GZ6.35 GU6.5 2G7 GU7 2GX7 GZX7d, GZY7d & GZZ7d G7.9 & GX7.9 2G8 GR8 G8.5 GX8.5 G9 G9.5 GX9.5 GY9.5, GZ9.5, GZX9.5, GZY9.5 & GZZ9.5 G10q GR10q GRX10q B22d-3 (90 °/135 °)/25x26 BY22d GU10 GU10q GX10 GX10q GY10 GY10q GZ10 GZ10q 2G10 2G11 G12 GX12 G13 2G13 2GX13 G16d G16t GU16d/GX16d GY16 G17q-7, GX17q-7 & GY17q-7 G17.5t-1 G20 G22 GY22 G23 GX23 G24, GX24 & GY24 G32, GX32 & GY32 G38 GX38q G53 GX53 Pre-focus lamp PGJ5 P11.5d PG12 & PGX12 PGZ12 PG13 & PGJ13 P13.5s PX13.5s GRZ10d GRZ10t PG18.5d PGJ19 PGJY19 P20d, PX20d, PY20d & PZ20d PG20 & PGU20 P22d & PX22d PG22-6.35 PK22s PKX22s P23t P26s PX26d P26.4t & PJ26.4t P28s P29t P30s-10.3 P32d & PK32d P36 P38s P38t P40s P43t PX43t PY43d PZ43t P45t P46s Miscellaneous cap R7s RX7s R17d SX4s/4 SY4s/7 S5.7s SX6s SV7 SV8.5 S14 S15s & S19s SK15s P14.5s P18s W2.5x16 WU2.5x16 WX2.5x16 WY2.5x16 WZ2.5x16 W3x16d & WX3x16d W3x16q, WX3x16q & WY3x16q WZ3x16q W2x4.6d W2.1x9.5d W3.3x10.4d WP4x9d W4.3x8.5d W10.6x8.5d X511 Flashcube/CubeFlash MagicubeTypeX  indicates lamp is not allowed in China for domestic use. ......

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