GB/T 24460-2025Generic technical specification of solar photovoltaic (PV) lighting device (English PDF)

3.1 Solar cell module

A minimal, indivisible solar cell assembly with encapsulation and internal connections, capable of individually providing DC power output.

3.2 Solar photovoltaic (PV) lighting device

A lighting device that combines solar cell modules, energy storage components, lighting components, control components, and structural components, using solar energy as its power source, and consists of one or more luminaires or modules.

3.3 Separated type solar photovoltaic (PV) lighting device

A photovoltaic lighting device that does not integrate solar cell modules, energy storage components, lighting components, control components, and structural components into a single unit.

3.4 Monolithic type solar photovoltaic (PV) lighting device

A photovoltaic lighting device that integrates all components, including solar cell modules, energy storage components, lighting components, control components, and structural components, into a single unit.

3.5 Inverter

A converter that converts direct current into single-phase alternating current with a sine wave or quasi-sine wave.

NOTE. This inverter converts direct current (DC) into single-phase alternating current (AC) with a sine or quasi-sine wave when the battery supplies power to the lighting device, typically 220 V, 50 Hz.

3.6 Semi- cut-off luminaire

For luminaires whose maximum luminous intensity direction forms an angle between 0° and 75° with the downward vertical axis of the luminaire, the maximum permissible luminous intensity values at 90° and 80° angles are 50 cd/1000 lm and 100 cd/1000 lm, respectively.

3.7 Charge and discharge controllers

A control device that enables solar cell modules to charge a storage battery and the storage battery to discharge to lighting components.

4.1 Device composition

The device consists of the following components.

a) solar cell modules;

b) energy storage components (batteries and other electrical energy storage devices);

c) control components (charge and discharge controller, inverter, and other control elements);

d) lighting components (electric light source, control device, luminaire, etc.);

e) structural components (lamp poles, solar cell module mounting brackets, battery room, and controller room, etc.);

f) Charging and discharging circuit.

4.2 Device classification

The devices can be classified into the following types.

a) monolithic type solar photovoltaic (PV) lighting device;

b) separated type solar photovoltaic (PV) lighting device.

6.1 Marking

The following information shall be clearly and permanently marked on the device.

-- nominal power of photovoltaic modules;

-- rated power of lighting components;

-- operating ambient temperature range, unless otherwise specified, is -20 °C~50 °C;

-- source marking (which may take the form of a trademark, manufacturer's identification mark, or the name of the responsible distributor); -- product model number;

-- luminous efficacy [in lumens per watt (lm/W)];

-- IP numerical markings indicating degrees of protection against dust, solid foreign objects, and water (where applicable);

-- rated capacity of the battery.

The following information shall be included in the label or product instruction manual.

-- maximum installation height;

-- rated voltage or rated current of lighting components; -- rated battery voltage;

-- duration of no-light operation [in hours (h)], for example. 168 h.

6.2 Safety requirements

6.2.1 The device shall have sufficient strength, and its installation height of 2.5 m or above shall be able to withstand a wind load of 32.7 m/s at least (the manufacturer shall adjust the wind load rating according to the conditions of the application area);

The wind load requirements for road and street photovoltaic lighting devices are as follows.

-- Height not exceeding 8 m. it shall be able to withstand a wind load of 45 m/s at least.

-- Height exceeding 8 m but not exceeding 15 m. it shall be able to withstand a wind load of 52 m/s at least.

-- Height exceeding 15 m. it shall be able to withstand a wind load of 57 m/s at least.

NOTE. Height measurement is the vertical distance from the geometric center of the component to the reference plane.

After the test, the solar cell modules, batteries, and their mounting brackets shall be free from cracks, damage, and deformation, and the lighting components shall be free from visible failures that could endanger safety; permanent deformation of the fixed point must not exceed a slope of 1 cm/m, and it shall not rotate about the fixed point.

6.2.2 The degree of protection provided by the outdoor device enclosure shall not be lower than IP54.

6.2.3 Advertising light boxes and light poles longer than 4 m shall have good lightning protection grounding, and the grounding resistance shall be less than 10 ohm.

6.2.4 The insulation resistance between conductive parts and the metal parts of the

device housing shall not be less than 2 Mohm.

6.3 High-temperature resistance

After the test, the device shall function normally, and there shall be no unsafe conditions such as detachment, damage, or melting of components; the solar cell module shall be free from unsafe conditions such as delamination, blistering, breakage, or cracking, and the lighting components shall be free from deformation; after the test, the deviation of the device in terms of luminous flux and power comparing to that after preprocessing shall not exceed 10%.

6.4 Corrosion resistance

After the test, the device shall function normally, and there shall be no unsafe conditions such as detachment, damage, or melting of components; the solar cell modules shall be free from unsafe conditions such as delamination, blistering, breakage, or cracking, and the lighting components shall be free from deformation.

6.5 Thermal shock performance

After the test, the device shall function normally, and there shall be no unsafe conditions such as detachment, damage, or melting of components; the solar cell module shall be free from unsafe conditions such as delamination, blistering, breakage, or cracking, and the lighting components shall be free from deformation; after the test, the deviation of the device in terms of luminous flux and power comparing to that after preprocessing shall not exceed 10%. ......