Solar Yellow Flashing Light (GA/T 743-2007)

1 Scope

This standard specifies the definition, nomenclature, technical requirements, installation, test methods, inspection rules, signs, packaging, transportation and storage of solar yellow flashing lights (hereinafter referred to as solar yellow flashing lights).

This standard applies to solar yellow flashing lights.

2 normative references

The clauses in the following documents have been adopted as references to this standard. For dated references, all subsequent amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard to study whether the latest version of these documents can be used . For undated references, the latest version is applicable to this standard.

GB/T 2423.1 Environmental test for electric and electronic products Test A: Low temperature test method (idt IEC 60068-2-1)

GB/T 2423.2 Environmental test for electrical and electronic products Test B: High temperature test method (idt IEC 60068-2-2)

GB/T 2423.3 Environmental Tests for Electrical and Electronic Products Ca: Constant Damp Heat Test Method (eqv IEC 68-2-3)

GB/T 2423.10 Environmental testing for electric and electronic products Part 2: Test methods Tests Fc and Guidelines: Vibration (sinusoidal) (idt IEC 68-2-6)

GB/T 2423.17 Basic environmental testing procedures for electric and electronic products Test Ka: Salt spray test method (eqv IEC 68-2-11)

GB 4208 enclosure protection class (IP code)

GB 4599-1994 Headlamp light distribution performance

GB/T 8417 light signal color (neq CIE DS 004.4/E-1998)

GB/T 9535-1998 Design and identification of crystalline silicon photovoltaic modules for ground use (eqv IEC 1215:1993)

GB 14886 Road Traffic Signal Light Installation and Installation Specification

GB 14887 road traffic light

3 Terms and Definitions

The following terms and definitions apply to this standard.

3.1

Solar yellow flashing signal lamp solar yellow flashing signal lamp

Yellow LED signal light that emits light at a certain frequency using solar energy as an energy source.

3.2

Datum axis

A horizontal projection plane perpendicular to the light exit surface and passing through a straight line at the geometric center of the light exit surface.

3.3

Lighting time on time

The luminous intensity on the reference axis of the solar yellow flash lamp is greater than 1/10 of the maximum light intensity. For a flash issued in a burst mode, the period from the first light pulse of the set of pulses to the end of the last light pulse starts.

3.4

Off time off time

The luminous intensity on the reference axis of the solar yellow flash lamp is less than 1/100 of the maximum light intensity.

3.5

Flashing cycle strobe duration

The time difference between two adjacent lighting start times.

3.6

Effective intensity

The luminous intensity calculated by the following formula:

3.7

Standard test conditions

The ambient temperature is 25°C±5°C, the irradiance measured by a standard solar cell is 1000W/m2±100W/m2, and it has a standard solar spectral irradiance distribution.

4 named

The model number of the solar yellow flashing lamp should be named according to the following structure and requirements.

5 Technical Requirements

5.1 General requirements

The solar yellow flashing light generally consists of a housing, an LED lighting unit, a solar panel, a storage battery, and a control circuit. Each component should be reliably connected and should have good stability.

Solar panels and batteries used in solar yellow flashing lamps should meet the requirements of GB/T 9535-1998.

The color of the negative wire of the internal wiring of the solar yellow flashing lamp should be black, and the color of the positive and negative wires should be significantly different; the terminals should ensure that the positive and negative electrodes can be correctly distinguished.

5.2 Appearance

The surface of the solar yellow flashing lamp housing, front cover, cover, color plate and sealing ring shall be smooth, free from defects such as lack of material, no cracking, no silver wire, no obvious deformation and burr.

5.3 dimensions

The effective transmissive surface size of the solar yellow flashing LED light emitting unit can be divided into φ200mm, φ300mm, φ400mm, and the error is within ±10%.

5.4 Matching performance of solar panels and energy storage components

Solar panels and energy storage elements should be well matched. After the solar yellow flashing lamp started by the discharge protection circuit was charged for 8 hours under the standard test conditions, the charging circuit was cut off and operated continuously at 25° C.±5° C. for 52 hours. The solar yellow flasher should be able to work normally during the test. After the test, the luminescence intensity on the reference axis shall be not less than 100 cd.

Note: The solar yellow flashing lights with multiple working modes are tested in the two extreme modes by day and night 2:1 during the test and tested in the highest light intensity mode.

5.5 Optical properties

5.5.1 Center light intensity

When the solar yellow flashing lamp works normally under the rated voltage, the effective light intensity on the reference axis should meet the requirements of Table 1.

5.6 color performance

The color of the solar yellow flashing light should be within the range specified in Table 3.

5.7 Flash characteristics

5.7.1 The flashing frequency f of the solar yellow flashing lamp should be between 40 times/min and 60 times/min.

5.7.2 The time for each flashing of the solar yellow flashing light should be not less than 150ms and not more than 400ms.

5.7.3 The extinction time between two flashes when the specimen is normally flashing should not be less than 100ms.

5.7.4 For light emission using the pulse group, the pulse interval in this group should be less than 40ms.

5.8 Continuous operation test

The battery of the solar yellow flashing lamp is charged. After the overcharge protection is started, the charging circuit is cut off. The normal operation is performed at 25° C.±5° C. for 120 hours. The solar yellow flashing lamp should be able to work normally, and the solar yellow flash lamp reference axis must be retested. The effective light intensity should not be less than 100cd.

Note: The solar yellow flashing lights with multiple working modes will work in both limit modes at day and night 1:1 during the test, and tested in the highest light intensity mode.

5.9 resistance to reverse polarity

Under the sunlight, the output end of the solar panel and the output end of the battery are respectively reversed, and the solar yellow flashing lamp should not have an electrical fault.

5.10 Charge and discharge protection

When the solar yellow flash battery voltage reaches the maximum voltage recommended by its supplier, the control circuit shall automatically cut off the circuit between the solar panel and the battery; when the output voltage of the sample battery is lower than the minimum voltage recommended by its supplier, the control The circuit should automatically cut off the circuit between the battery and the output load.

5.11 enclosure protection class

5.11.1 Dust level

The dustproof level is not lower than the IP5X specified in GB 4208, ie dustproof. After the test, there should be no dust accumulation in the sample.

5.11.2 Waterproof rating

Waterproof grade should not be lower than IPX3 stipulated in GB 4208. After the test, there should be no water accumulation in the sample.

5.12 Cover

The length of the cover should not be less than 1.25 times the light transmission dimension of the luminous surface of the solar yellow flash lamp, and the cover angle should not be less than 270°.

5.13 high temperature performance

The solar yellow flashing lamp is subjected to a 6-hour test under working conditions at an ambient temperature of 55°C±2°C. During and after the test, the yellow flashing lamp should work normally, and the lamp housing, lampshade, and other components should not be deformed or cracked. Defects such as gloss change, the seal should not have burst phenomenon.

5.14 low temperature resistance

The solar yellow flashing lamp is subjected to a 4h test under working conditions at an ambient temperature of -20°C±3°C. During and after the test, the yellow flashing lamp should work normally, and the lamp housing, lampshade, and other components should not be deformed or cracked. Defects such as changes in gloss, seals should not have burst phenomenon.

5.15 heat and humidity resistance

The solar yellow flashing lamp is subjected to a 24h test under working conditions with an ambient temperature of 40°C±1°C and a humidity of 93±2%. During the test and after the test, it should work normally.

5.16 anti-vibration performance

The solar yellow flashing lamp is fixed on the vibrating table in normal working condition, and it is subjected to vibration in front, back, left and right, and up and down directions. The frequency is 10Hz-35Hz, amplitude is 0.75mm, and it is 1 octave. The cycle is 20 cycles. After the test, the solar energy is yellow. The flashing lamp should be free of mechanical damage and can work normally. The fastening parts of the solar battery, storage battery, etc. should be free from looseness, and there should be no electrical contact failure.

5.17 salt spray resistance

Solar yellow flashing light after 96h salt spray test, test conditions: test chamber temperature of 35 °C ± 2 °C, salt spray solution mass percentage concentration of 5% ± 0.1%, salt spray deposition rate of 1.0mL / h · 80cm2 ~ 2.0 mL/h·80cm2, spray 15min every 45min. To assess the number of rust spots, the number of rust points should be less than 8 on an area of 10,000 mm2.

Note: The salt spray test is only applicable to metal housing solar yellow flashing lights.

5.18 strength test

With a steel ball of 250 g ± 0.5 g falling freely from the effective height of 40 cm at the center of the lens of the working sample, the lens of the sample must not be broken, and there must be no defects such as cracking at the sealing place.

Note: The strength test is only applicable to solar yellow flashing lights with a mask.

6 Installation requirements

The installation of the sample shall meet the requirements of GB 14886. In the installation process, buildings and trees should be avoided to block the effective light-receiving surface of solar panels. The horizontal angle of solar panels should be adjustable. Under normal circumstances, the horizontal angle of solar panels should not be less than 30°.

7 test methods

7.1 General requirements

Visually inspect the test specimens and, if necessary, check the performance of the solar panels and batteries according to the method specified in GB/T 9535-1998.

7.2 Appearance

Check the appearance of the solar yellow flash lamp visually.

7.3 Size

The measuring tool measures the size of the translucent surface of the solar yellow flasher.

7.4 Solar Cell Matching Performance Test

a) Normally discharge the battery of the solar yellow flashing lamp until its over-discharge protection control circuit starts;

b) Charge the sample initiated by the over-discharge protection control circuit in a standard environment (or other equivalent method);

c) Charging test time is 8h;

d) Cut the charging circuit of the sample and allow the sample to work for 52 hours in an environment of 25°C±5°C.

After the test, the effective light intensity on the reference axis of the test sample was tested.

7.5 Optical Performance Test

7.5.1 Test Environment and Equipment

The test darkroom shall comply with the provisions of 8.1 of GB 4599-1994, and the test distance shall not be less than 7.5m, and shall conform to the inverse square law of distance.

The diameter of the light-receiving surface of the measuring instrument light receiver shall not be greater than 30mm. The light receiver shall comply with the requirements of the primary light meter and the response time of the measuring instrument for measuring the effective light intensity shall not be greater than 1μs.

7.5.2 Central light intensity test

The single working mode of the solar yellow flashing lamp, after working normally for 20 minutes under rated voltage, measures the effective light intensity on the reference axis of the sample; the solar energy yellow flashing lamp under various working modes simulates different illumination environments and tends to Stabilize the effective light intensity on the reference axis of the test specimen.

7.5.3 Luminous intensity distribution test

According to the data provided by the manufacturer, a voltage is applied to the input end of the LED light emitting unit of the solar yellow flashing lamp, so that the sample is stably lighted, and the luminous intensity of all directions in the section 5.5.2 is measured, and the value and center light intensity are calculated. ratio.

7.6 color test

According to GB/T 8417 prescribed method to determine the color coordinates, the test results are shown in the chart shown in Appendix A, check whether it is within the prescribed limits.

7.7 Continuous working hours

After the sample is charged until the overcharge protection device starts, the charging circuit is cut off, and the test is performed in an environment of 25°C±5°C under normal working conditions. The test time is 120 hours. After the end of the test, check the working condition of the sample and retest the effective light intensity on the reference axis.

7.8 Flashing characteristics

7.8.1 Test Environment and Equipment

The response time of the optical probe should be no more than 1μs. The bandwidth of the oscilloscope should not be less than 100MHz, and the scale of 5mV/div and above should reach full bandwidth.

7.8.2 Test Method

Optical probes were used to convert the solar yellow flash light signals into electrical signals for input to the oscilloscope.

7.9 resistance reverse polarity test

In direct sunlight during sunny days, connect the positive and negative output wiring of the solar panel to the circuit and restore the correct connection mode after 1 min. Check that the sample can work normally.

In direct sunlight during sunny days, connect the positive and negative output wires of the battery to the circuit. After 1 min, restore the correct connection and check whether the sample can work normally.

7.10 Overcharge Protection and Overdischarge Protection Test

7.10.1 Overcharge Protection Test

Place the solar yellow flash lamp in sunny daytime sunlight (or use other equivalent methods) to charge, and connect the series current detection in the charging circuit.

Measure, use the direct current meter to test the battery voltage at the end of charging.

7.10.2 Over-discharge protection test

A DC adjustable power supply is used instead of the sample battery to supply power to the sample, and the output voltage of the DC power supply is adjusted to record the output voltage of the DC power supply when the sample stops emitting light.

7.11 enclosure protection rating test

7.11.1 Dust test

The test was carried out in a dust test chamber. The air flow in the chamber kept the talcum powder in suspension. There should be 2kg of talcum powder per cubic meter. The particle size of the powder is at least 1 μm to 75 μm, and at least 50% by mass is less than 5 μm. Do not use talcum powder used more than 20 times to test.

The test procedure is as follows:

a) Put the solar yellow flashing light in normal working condition into the dust box;

b) Close the door of the dust box;

c) start the fan or fan to suspend talcum powder;

d) Place talc in suspension for 3 h;

Visually inspect the test specimen after the test.

7.11.2 Waterproof test

a) Turn on the solar yellow flasher power switch so that the solar yellow flasher is in normal operation.

b) Spray with water for 20 minutes. The radius of the semi-circular tube should be compatible with the size and position of the solar yellow flashing lamp; the hole in the tube should be sprayed directly to the center of the circle, the water pressure at the inlet of the device should be about 80kPa, and the tube should be oscillated by 120°. 60 ° on both sides of the vertical line, a complete swing (2 × 120 °) time of about 4s; solar yellow flashing lights should be installed above the axis of rotation of the tube, so that both ends of the lamp can be fully sprayed to the water. During the test, the lamp shall rotate around its vertical axis with a speed of 1r/min.

c) Visually inspect the sample for water ingress.

7.12 Covering Measurements

The gauge measures and calculates the mask length and wrap angle.

7.13 High temperature test

7.13.1 Test methods

The test method should meet the requirements of GB/T 2423.2.

7.13.2 Test Procedure

Put the sample into the test box in the normal working position. The distance between the sample and the inner wall of the test box should not be less than 100mm. Hold it in normal working condition at the temperature of 55°C±2°C for 6 hours. Observe and record the test during the test. Whether the sample work is normal, remove the sample after the test, recover at room temperature for 2 hours, visually inspect the sample.

7.14 Low temperature test

7.14.1 Test methods

Test methods should meet the requirements of GB/T 2423.1.

7.14.2 Test Procedure

Put the sample in the normal working position into the test box. The distance between the sample and the inner wall of the test box should not be less than 100mm. The temperature in the box should be -20°C±3°C for 4 hours. Observe and record the normal operation of the sample during the test. After the sample was removed, it was restored at room temperature for 2 hours and the sample was visually inspected.

7.15 Damp heat test

7.15.1 Test Methods

Test methods should meet the requirements of GB/T 2423.3.

7.15.2 Test Procedure

Put the sample into the test box in the normal working position. The distance between the sample and the inner wall of the test box should not be less than 100mm. The temperature in the box is 40°C±1°C and the humidity is 93%±2% for 24 hours. After the test, the test specimens were visually inspected.

7.16 Vibration test

7.16.1 Test methods

Test methods should meet the requirements of GB/T 2423.10.

7.16.2 Test Procedure

The sample is fixed on the vibration table in normal working condition, and it is subjected to vibrations in the front-back and left-right directions. The test conditions are as follows: frequency 10Hz-35Hz, amplitude 0.75mm, 1 octave, cycle 20 cycles, during and after the test , Visually inspect the sample.

7.17 Salt spray test

7.17.1 Test Methods

Test methods should meet the requirements of GB/T 2423.17.

7.17.2 Test Procedure

Place the specimen in the test chamber in its normal working position. The temperature of the test chamber is 35°C±2°C, the mass percentage concentration of the salt spray solution is 5%±0.1%, the deposition rate of salt spray is 1.0mL/h·80cm2~2.0mL/h·80cm2, and the spray is sprayed every 45 minutes for 96 minutes. experimenting.

After the test, the sediment on the surface of the sample was rinsed with running water, and then rinsed in distilled water. The temperature of the washing water should not exceed 35°C, and then it was left to stand for 1 hour. The sample was visually inspected.

7.18 strength test

After the specimen has been continuously operated for 30 minutes, a steel ball of 250 g ± 0.5 g is freely dropped from the height of 40 cm to the center of the lens of the working optical system, and the specimen is visually inspected without any damage.

8 inspection rules

8.1 Inspection Classification

Solar yellow flash inspection type test and factory inspection.

8.2 type inspection

One of the following situations should be checked:

a) Test-type identification of new products put into production or old products converted to production;

b) After a formal production, if there are major changes in structure, materials, and processes, it may affect product performance;

c) During formal production, periodically or after a certain amount of production has been accumulated, periodic inspections shall be carried out;

d) When product safety certification;

e) After long-term production suspension of the product, resume production;

f) There is a big difference between the factory inspection results and the last type inspection;

g) The national quality supervision agency proposes the requirements for type inspection.

According to the provisions of Table 4 for type inspection, if the test results are all in line with the requirements of this standard, it is determined that the type of test is qualified, if one does not meet the requirements of this standard, it is determined that the type of test failed.

8.3 factory inspection

The factory inspection is selected by the manufacturer according to Table 4.

9 mark

9.1 Product Logo

The solar yellow flashing lamp shell should have a clear and durable sign, which should include the following: model, manufacturer information and other signs.

9.2 Packaging Marks

The outer packing box shall indicate the manufacturer's product name and model number, manufacturer's information, product batch number, quantity, standard number, and moisture-proof signs.

10 Packaging, Transport and Storage

10.1 Packaging

Each solar yellow flashing box should be able to ensure that the product is not scratched, bumps and damage, there should be installation instructions, product inspection certificate and so on.

10.2 Transport and Storage

When products are transported and stored, care should be taken to prevent them from colliding, getting wet and harmful chemicals.

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