GB 19261-2003 General requirements and safety requirements for neon tubes

This standard specifies the definition, main dimensions, basic parameters, technical requirements, test methods and inspection rules of neon tubes. This standard applies to neon tubes with an outer diameter of 8mm-14mm and filled with neon gas or mercury-hydrogen mixed gas. GB 19261-2003 General requirements and safety requirements for neon tubes GB19261-2003 standard download decompression password: www.bzxz.net

ICS 29. 140. 30
National Standard of the People's Republic of China
GB19261—2003
General and safety requirements of neon lamps2003-08-06Promulgated
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on 2004-02-01
GB 19261-2003
Normative references
Technical conditions
Test methods
Acceptance rules…
7 MarkingPackaging and transportation
Appendix A (Existing normative appendix)
Appendix B (Normative appendix)
Appendix C (Normative Appendix)
Appendix D (Normative Appendix)
Appendix E (Normative Appendix)
Measuring method for starting characteristics of wide iris tube
Measuring method for optical and electrical characteristics of neon tube
Measuring method for life test of neon tube
Measuring method for humidity of glass tube at electrode of wide iris tube Neon base push ballast
The technical contents of 4.4, 4.5, 4.7 and 4.8 of this standard are mandatory, and the rest are recommended GB19261-2003
This standard specifies the general requirements and safety requirements of neon tubes, and is applicable to cold cathode wide iris tubes installed and used in China. Appendix A, Appendix 13, Appendix D and Appendix E of this standard are normative appendices. This standard is proposed by China Light Industry Federation and is under the jurisdiction of the National Technical Committee for Standardization of Lighting Appliances (CSBTS/TC224). The author of this standard is: National Electric Light Source Quality Supervision and Inspection Center (Shanghai) Beijing Electric Light Source Research Institute. The drafters of this standard are: Lu Rongshu, Nang Jihong. 1
1 Scope
General requirements and safety requirements for neon tubes GB 19261-2003
This standard specifies the specifications, main dimensions, basic parameters, technical requirements, test methods and inspection rules of neon tubes. This standard is applicable to neon lamps with an outer diameter of 8mm~14mm and filled with nitrogen or mercury mixed gas. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any referenced document with an H date, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to the agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any referenced document without an H date, the latest version shall apply to this standard. GB/T2828 Batch inspection counting sampling procedures and sampling tables (applicable to the inspection of continuous batches) GB/T2829 Periodic inspection counting sampling procedures and tables applicable to the inspection of process stability) GB19149 General requirements and safety requirements for transformers for tubular discharge lamps with no-load output voltage exceeding 1000V (neon lamp transformers) (GB 19149---2003, 1EC 61050:1991, IDT) 3 Definitions
neon lamp
low-pressure cold cathode glow discharge lamp.
cyanide tube neon glow lamp
neon lamp filled with oxygen gas, the light of this lamp is the direct emission of red light by the oxygen glow discharge. 3.3
mercury-argon glow lanp
mercury tube
neon tube filled with argon and mercury. The light of this tube is generated by the ultraviolet rays released by the atoms during glow discharge, which excite the carbon powder layer coated on the inner wall of the tube and emit visible light after conversion, or emit visible light through colored glass. 3. 4
samc group lighi
lamps of the same color used in the same process are grouped together. 3.5
effective lengthcffeclive length
the length of the luminous part of the tube, expressed as L, in meters. 3.6
open tubelcarhulb
in mercury-argon tube, the part of the tube that is not powder-coated at the connection (or sintering) with the electrode. 3.7
Initial characteristics
The characteristics of the lamp after 100h of initial burning. 3.8
Lifetime life
The cumulative time from the time the lamp is lit to the time when it cannot work normally: 1
GB 19261—2003
Average life average life
In the life test with N test samples, according to the failure order of the lamps, the life of the (N+1)/2th lamp (N is an odd number) and 1/2 of the sum of the life of the N/2th lamp and the N/2+1st lamp (N is an even number) are called the average life of the batch of lamps. 3.10
Luxmainlenance
It is the ratio of the illuminance from the time the lamp is lit to the specified time to the initial illuminance value of the lamp at equal distances, expressed as a percentage. Technical conditions
4.1 Appearance
The glass tube and phosphor coating should not have defects that affect the luminous effect and use. 4. 1.2 After the initial burning of the lamp tube, there shall be no obvious oxidation and attachment on the tube wall. 4.1.3 The bending part of the lamp tube shall not have obvious folds and corners. The color of the colored lamp tubes in the same group shall not have obvious differences. 4.1.4 The joints of the fluorescent tubes shall not be obviously black. The length shall not exceed 5mm. The upper part of the air pipe shall be flat and straight. The initial shape of the lamp tube shall be smooth and shall not have sharp thorns. The bending shall not exceed 3mm. There should be an S-shaped curve, and the product should comply with the requirements of Table 1. Photoelectric performance parameters of the lamp tube. Starting voltage. Tube type. Note: The above is an effective length of 400+450L. Lamp voltage is 470L-~03+650L. The color glass wide rainbow lamp tube has a brightness not less than 5% of the transparent corrugated tube of the same specification. Lamp life and illumination
Lamp type
Fluorine tube
Should not be lower than the value specified in Table 2
Lamp life
Average life
≥10:000
Brightness
(minimum value)
X10'ced/m*
Illumination maintenance rate
(burning point to 2000h)
4.4 The connection of the lamp lead wire should be firm and should be able to withstand a 20N pull. The connection part should be coated with moisture-proof, heat-resistant and durable paint or wrapped with insulating materials.
4.5 The lamp should still start and burn normally after the vibration test. 4.6 The lamp should be able to start and burn normally in a high and low temperature environment of -40%~50℃. 4.7 The temperature of the glass tube at the electrode of the lamp tube should be lower than 55℃. 4.8 The lamp tube should be able to withstand the temperature change test of 100K without damage. 5 Test method
The appearance quality of the lamp tube (4.1) should be checked or measured by the eye gauge method or vernier caliper. 5.1
5.2 The initial characteristics of the lamp tube (4.2) should be measured according to the provisions of Appendix A and Appendix B. 5.3 The life of the lamp tube and the illumination maintenance rate (4.3) should be measured according to the test methods specified in Appendix C and Appendix B. GD 192612003
5.4 The connection firmness of the lamp tube lead wire (1.4) should be checked with a tensile gauge with an error of no more than 0.1N. The anti-covering layer is inspected visually. The test of the durability of the lamp tube (4.5) is to fix the lamp tube rigidly on the vibration table. The vibration table should have a sweep frequency of 1Hz~39H2, an amplitude of 2mm, and vertical vibration for 5min. Then, the specified starting voltage is added to the input end to check whether the lamp tube can be normally ignited. The temperature range of normal operation of the lamp tube (46) is to place the lamp tube in an environment of -40℃ and +50℃ for 2h respectively, and then check whether the lamp tube can be normally started and keep burning under the specified starting voltage in the low temperature and high temperature environment. The test of "4.7) shall be carried out in accordance with the provisions of Appendix D. 5.7 The slope tube temperature at the electrode of the lamp tube
5.8 Humidity change test of lamp tube (4) Put the lamp tube in the oven and gradually heat it up to the water temperature of the high-temperature water tank 300K ± 5K, and keep constant humidity for 15 minutes.
Acceptance rules
Neon lamp tube
Manufacturers should respond to the lamp tube
The lamp tube must be inspected and qualified by the manufacturer before it can be shipped. In order to check whether the quality of the lamp tube meets the requirements of this standard, the manufacturer B/T2828.GB/T2829 is hot.
Conduct acceptance test and routine test. According to GE acceptance test items
and qualified judgment conditions, see Table
Table 3 Acceptance test items and qualified judgment conditions Special | |tt||R Management Target
Test Clauses
Technical Requirements
Test Methods
Inspection
Special Inspection
Level 3
Specification Scheme
Qualified Quality Level
Qualified Judgment Conditions shall comply with the provisions of Table 4. If one of the test items of the tested lamp fails to comply with the provisions of Table 4, the routine test is considered to be unsuccessful. Table 4 Routine Test Items and Qualified Judgment Conditions Inspection Clauses
Test Items
Vibration Resistance
High and Low Temperature Test
Glass tube temperature at electrode
Thirst difference change test
Illumination maintenance rate
Average lifespan
Technical requirements
Test requirements
Quality level RQL
Determine the average lifespan according to the test method specified in 5.3, and then compare it with 4.3 to judge whether it is qualified or not. Example size
Judgment array
GB19261—2003
6.4 If the routine test fails, the batch of lamps is unqualified. At this time, production and acceptance should be stopped immediately, and those that have been accepted should be stopped from leaving the factory. The reasons for the failure should be studied and effective measures should be taken. Measures should be taken. Production and acceptance can only be resumed after the new routine test is qualified. 6.5 Routine tests should be carried out at least once every quarter (including average life and illumination maintenance rate at least once a year). Routine tests should be carried out whenever the structure, manufacturing process or material of the lamp is changed and may affect the performance of the lamp. 6.6 The manufacturer may provide the ordering party with a routine test report. 7 Marking, packaging and transportation
7.1 The manufacturer shall attach a quality inspection certificate to each set of neon tubes delivered for use. The certificate shall clearly indicate the manufacturer's name; product type; manufacturing year and month and product standard number. 7.2 Packaging and transportation shall be agreed upon by the manufacturer and the user. A. 1 Test conditions
Appendix A
Normative Appendix)
Method for measuring the starting characteristics of neon tubes
GB19261-2003 bZxz.net
Put the lamp tube under the test conditions of an ambient temperature of 18℃~28℃ and a relative humidity not exceeding 65% for 24 hours. The accuracy of the measuring instruments used should not be lower than 0.5 level. (The electrostatic high-voltage meter should not be lower than 1.5 level) A, 2 Test circuit
Reference ballast curtain
Wide-tube lamp
A. 3 Measurement
Voltage regulator
Positive positive transformer
Competition safety meter
Figure 4.1 Starting characteristic circuit diagram
Place the lamp horizontally, and the lamp wire should have good high-voltage insulation performance. The wiring is shown in Figure A. Turn off switch K to open the circuit, adjust the voltage regulator, so that the no-load open-circuit voltage reaches the starting voltage specified in Table 1, close switch K, and after connecting the circuit, check whether the lamp is easy to start and can discharge continuously. GB19261—2003
Test conditions
Attachment B
(Normative Appendix)
Method for measuring the optical and electrical characteristics of neon tubes
Put the tubes in a test state with an ambient humidity of 25℃±2℃ and a relative humidity not exceeding 65%. The output current of the step-up transformer is controlled at 25mA±1mA. After the tubes are stable in luminescence, measure their photoelectric parameters. The measuring instruments used should be calibrated regularly by the metrology department. The accuracy of the voltmeter and ammeter used for measuring electrical parameters should not be lower than Class D0.5, and the electrostatic high-voltage meter should not be lower than Class 1.5. The test ballast should be a reference ballast that meets the requirements of Appendix E, equivalent to Class 0.5 voltage. Transformer. Brightness meter, the brightness measurement accuracy of the light used should not be lower than that of the wide neon tube. The accuracy should not be lower than that of the industrial grade reference filter. Neon tube measurement system schematic diagram According to the system diagram 3, 1, place the tube horizontally, and the tube wire should have good insulation performance. The electrostatic voltmeter should be directly connected to both ends of the tube. Turn on the power and wait for the light to stabilize. Then measure the lamp voltage and lamp current respectively. B.4 Illuminance measurement
Place the lamp on the photometric device in the room, shield all stray light, and place the light receiving surface of the illuminance meter at a distance of 1㎡ from the furnace tube to be measured, and measure the illuminance value perpendicular to the normal direction of the horizontally placed lamp tube. The illuminance maintenance rate is calculated according to the following formula.
Wherein:
The illuminance (1x) measured when the lamp tube to be measured is burned for 100h; 6
The illuminance (lx) measured when the lamp tube to be measured is burned for 2000h; illuminance maintenance rate.
H.5 Brightness measurement
GB :9261--2003
In a dark room without stray light, place the lamp horizontally, at an ambient temperature of 25°C ± 2°C, as shown in Figure B.1. After the lamp is stable, use a level 1 luminance meter to measure, and the measurement points are selected as shown in Figure B.2. Measurement points 1 and 3 are located 103rcm outside the lamp electrode, and measurement point 3 is located at the midpoint of the lamp.
Measurement point 1
Measurement point 2
Luminance meter
Measurement point:
Neon tube
Brightness measurement site observation
Brightness measurement diagram
Measurement point, project the measurement angle into the full field of view
Luminance meter
Field of view selection
As shown in B. The diameter of the luminance meter observation field should be 3/4 of the diameter of the lamp tube, and the values ​​should be measured respectively. L, L3, and the values ​​should meet the requirements of Table 1. Take L average. GB19261-2003 C. 1 Test conditions Appendix C (Normative Appendix) Neon lamp life test method Place the lamp tube in an ambient temperature of 25℃.110℃. The power supply voltage for lighting should be 220 (1L2%) V, 50Hz AC, and the instantaneous fluctuation of power supply voltage and frequency should not exceed 12%. The output current of the control transformer is 25 IIA ± 3 mA. The measuring instruments used should be calibrated regularly by the measurement department. The accuracy of the ammeter used to control the output current of the transformer should not be lower than 0.5 level.
c) The test transformer should be a life test transformer that meets the requirements of CB19149. C.2 Life Test
The life test adopts the circuit shown in Figure C.1.
Turn on the power supply and ignite the lamp under test. During the entire test process, the connection between the lamp contacts and the transformer should remain unchanged. The lamp under test should be switched on and off 40 times continuously after ignition for 4 hours. The power-off time is not counted in the life time. The life time should include 100 hours of aging time. Its value should comply with the provisions of Table 2.
K switch
No-iron lamp
milliammeter
voltage regulator
life variable
life test circuit diagram
D.1 Test conditions
Appendix D
(Normative appendix)
Method for measuring the temperature of the glass tube at the electrode of Shunhong lamp GB19261-2003
Put the lamp in an environment with an ambient temperature of 25℃±2℃, a relative humidity not exceeding 65%, and a test state without the influence of convection wind. The output current of the ballast is controlled at 2FmA±3 mA. After the lamp is ignited for 10 minutes and the light is stable, measure the temperature of the glass tube at the electrode. The measuring instruments used should be calibrated regularly by the metrology department. The accuracy of the voltmeter and ammeter used for measuring electrical parameters shall not be lower than b)
0.5 level, and the electrostatic voltmeter shall not be lower than 1.5 level. The test ballast should be a reference ballast that meets the requirements of Appendix E, equivalent to a 0.5-level voltage transformer. d) The resolution of the test surface thermometer is 0.1°C, and its accuracy should not be less than 0.5 level. D.2 Measurement of glass tube temperature at the electrode
Turn on the power supply, ignite the lamp under test, and control the output current of the ballast to 25mA + 1mA. Use the probe of the surface thermometer to stick to the surface of the glass tube at the electrodes at both ends of the horizontally placed lamp tube, and take the maximum value as the temperature of the rubber tube at the electrode, the reference ballast
Wide rainbow tube
Surface thermometer
Step-up transformer
Figure D.1 Schematic diagram of the measurement system of the glass tube at the electrode of the neon tube Voltage regulator
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