Energy-saving lamps electromagnetic radiation is not so scary

At present, the state is vigorously advocating the use of energy-saving home appliances, energy-saving lamps popularity is quite high, many close to use the lamp, bedside lamp is installed energy-saving lamps, energy-saving lamps on the serious violation of electromagnetic radiation news for some consumers worried - Can energy-saving lamps be used? This reporter recently conducted a survey interview.

The popularity of energy-saving lamps have become increasingly <br> <br> background

The problem of excessive emission of electromagnetic radiation from energy-saving lamps has recently attracted attention from all parties. According to media reports, 10 different brands of energy-saving lamps purchased through formal channels have been tested and showed that in the range of 10 cm, all brands of energy-saving lamps have an electromagnetic radiation value (electric field strength) exceeding 200 V/m, and one of them has an electromagnetic radiation value. It is as high as 1600 V/m, which greatly exceeds the public exposure limit of 40 V/m in China's "Electromagnetic Radiation Protection Regulations."

At present, the state is vigorously advocating the use of energy-saving home appliances, energy-saving lamps popularity is quite high, many close to use the lamp, bedside lamp is installed energy-saving lamps, energy-saving lamps on the serious violation of electromagnetic radiation news for some consumers worried - Can energy-saving lamps be used? This reporter recently conducted a survey interview.

Experiments—The results are quite different

On June 10th, the reporter went to Beijing Wanlong Huiyang Lamp & Lighting Times Square, one of the larger wholesale and retail lighting stores in Beijing. Energy-saving lamps have more brand specifications, ranging in size from a few watts to a dozen watts to tens of watts, and prices range from a few dollars to tens of dollars. The journalists randomly purchased 5 common brands in the market: Philips (8 watts), Foshan Lighting (8 watts), Leon Lighting (7 watts), Osram (8 watts) and Ouhe Lighting (15 watts). light.

On June 14, the reporter sent the purchased energy-saving lamps to the laboratory of engineering physics department of Tsinghua University and conducted an electromagnetic radiation value detection experiment. The test results show that when the electric field measuring instrument antenna is at a distance of 11 cm from the energy-saving lamp, the energy-saving lamps of four brands such as Philips, Leon lighting, Osram, Ouhe lighting have an electromagnetic radiation value of less than 10 V/m. The light is 10.9 volts/meter. When the electric field measuring instrument antenna is at a distance of 5 cm from the energy-saving lamp, the electromagnetic radiation value of the Philips energy-saving lamp reaches 41 V/m, the electromagnetic radiation value of the Foshan lighting energy-saving lamp reaches 55 V/m, and the electromagnetic radiation value of the OSRAM energy-saving lamp To reach 51 volts/meter, the electromagnetic radiation value of the energy-saving lighting energy lamp of Liang is 16 volts/meter, and the electromagnetic radiation value of the energy-saving lamp of Ouhe lighting is 14.8 volts/meter.

Ni Jianping, a senior engineer of the Department of Engineering Physics at Tsinghua University, who instructed the inspection experiment, said that the magnitude of electromagnetic radiation has a lot to do with the power and use distance of energy-saving lamps. From the measured data, the electromagnetic radiation of energy-saving lamps of about 10 watts is It is possible to exceed 40 volts/meter within a very short distance.

Ni Jianping also provided to reporters that two students from the Department of Engineering Physics at Tsinghua University not long ago reported on the detection of the electromagnetic field strength of two Philips-European Philips energy-saving lamps. The report shows that the power of an Op-power saving lamp with a power of 15 watts is 12.3 volts per meter at a distance of 10 centimeters, 30 volts per meter at a distance of 4 centimeters, and 55 volts per meter at a distance of 2 centimeters. The electromagnetic field intensity of the 23 watt Philips energy saving lamp is 13 volts/meter at a distance of 10 centimeters, 52 volts/meter at a distance of 4 centimeters, and 79 volts/meter at a distance of 2 centimeters. The electromagnetic field intensity of the two energy-saving lamps decays rapidly after a distance of more than 10 centimeters. When the distance reaches 20 centimeters, the electromagnetic field strengths are 4.8 volts/meter and 6.5 volts/meter, respectively. When the distance reaches 30 centimeters, both are close to zero.

The report analysis pointed out that the “Electromagnetic Radiation Protection Regulations” was established for long-wave, medium-wave, short-wave broadcasting and communications power-type launch sites. The standard specifies electromagnetic radiation limits of 40 volts/meter, suitable for frequencies from 0.1MHz to 3MHz. Segments, and electromagnetic power with radiation power ≥ 300 watts, while the total power of energy-saving lamps generally does not exceed 50 watts, and the operating frequency is in the range of 30 kHz to 50 kHz. Therefore, it is not appropriate to use this criterion to judge the value of the electromagnetic radiation of energy-saving lamps.

Status quo --- standard to be improved

On June 18, Dou Linping, the secretary-general of the China Illuminating Engineering Society, said in an interview with reporters that the news released by the media that the value of the electromagnetic radiation of energy-saving lamps purchased was seriously excessive was inconsistent with the actual situation.

In recent years, China's energy-saving lamp industry has developed rapidly. There are already four or five hundred manufacturers that have reached the mass production scale, and the annual output of energy-saving lamps has reached about 5 billion. Among them, 1/3 are sold in the domestic market, and 2/3 are exported to foreign markets such as Europe and the United States. "If the brand of energy-saving lamps produced in our country seriously exceeds the standard of electromagnetic radiation, how will the European and American markets accept China's energy-saving lamp products?" said Dou Linping.

The reporter consulted China's current national standard for energy-saving lamps "Safety Requirements for Single-Ended Fluorescent Lamps" and found that the requirements for the mechanical strength, insulation resistance, heat resistance, and fire protection of the lamp caps were clearly defined, but the electromagnetic radiation intensity of energy-saving lamps The project did not specify clearly.

Call for ——-marking safety warnings

It is understood that the electronic ballast equipped on energy-saving lamps is the main source of electromagnetic radiation. The greater the power of the energy-saving lamp, the greater the radiation intensity. From the inspection experiment, if the proper distance is maintained, the energy-saving lamps have lower electromagnetic radiation intensity. "Energy-saving lamps will produce certain electromagnetic radiation. It is undoubted that it is not appropriate to use energy-saving lamps at close range. Manufacturers should prompt consumers." Ni Jianping said.

However, the reporter’s investigation in the past few days found that almost all manufacturers did not perform the necessary safety warnings on the issue of electromagnetic radiation on the packaging of energy-saving lamps.

On June 20th, the reporter was in Beijing Wanlong Huiyang Lamps & Lighting Times Square, the House of Life Lize Bridge Store, and Beijing Tianyi Small Commodity Wholesale Market, and randomly viewed more than 10 such as Foshan Lighting, Karelala Lighting, NVC Lighting, and Philips. A brand of energy-saving lamp product packaging, found no company in the packaging on the "not close to use" warning.

The reporter then consulted the Philips product customer service hotline for consultation. The staff told reporters that the brand's energy-saving lamps are in line with China's current energy-saving lamp production safety regulations, and there are no warning signs for electromagnetic radiation because the country has no mandatory requirements in this regard.

In response to the current production process of energy-saving lamps, Ni Jianping suggested that manufacturers should also take appropriate shielding measures to further reduce the adverse effects of electromagnetic radiation on consumer health.

● Warm reminder to maintain a proper distance

During the interview, the reporter found that for the issue of electromagnetic radiation of energy-saving lamps, consumers have two extreme attitudes, one is excessive panic; the other is not concerned.

In the Beijing Tianyi Commodity Wholesale Market, the reporter carefully examined several booths for selling lamps and lanterns. The types of desk lamp holders sold were numerous, and many of them were used in energy-saving lamps. The reporter randomly asked a number of customers and found that they did not understand the problem of electromagnetic radiation of energy-saving lamps and lacked awareness of protection.

Hao Lijun, an associate researcher at the Beijing Institute of Labor Protection Electromagnetic Radiation Protection Research Office, said in an interview with reporters that if electromagnetic radiation exceeds a certain intensity, it will cause harm to human health, especially some special groups such as the elderly, children, and pregnant women. If consumers use bedside lamps or table lamps in their homes as energy-saving luminaires, it is advisable to maintain proper distances with them when using them.