Warner Shenglong: behind the scenes of energy-saving emission reduction

Usually referred to energy-saving emission reduction, people tend to focus on the improvement of the engine's own technology and tail gas treatment, but it ignores the engine's power consumption. It is understood that the fans , pumps, and other components in the engine add up to 10-20% of the engine's power consumption. Only the fans account for 8%-10% of the engine's power consumption. If you reduce these power consumption, the cost performance of the engine will increase by at least one point. Therefore, the energy savings generated by the annex should not be overlooked.

Recently, the reporter visited the Ningbo Warner Shenglong Co., Ltd., a research and manufacturing base of the BorgWarner Thermal System in China, and conducted an in-depth understanding of the aspects of engine cooling system components in energy conservation and environmental protection.

BorgWarner has always been committed to improving fuel economy and reducing emissions. It is not simply pursuing large projects but focusing on R&D and production of key components. Those who know about BorgWarner will find its product line very clear. Its thermal energy system also upholds this concept. It has been focusing on the development and production of fans, clutches and water pumps, and continues to innovate in technology. Its electronically controlled silicone oil fan clutch and electronically assisted cooling water pump are leading the industry, urging the engine to achieve maximum energy efficiency.

At present, the product is mainly used in the field of passenger vehicles, and many car companies have completed preliminary tests. It is reported that domestic commercial vehicles have a great demand for electronically controlled pumps, because the product can directly increase the temperature of the engine during cold start, and then reduce emissions. National IV will be implemented soon, and some car companies will not be able to reach the standard by a small margin. This product will make up for this deficiency.

However, whether it is an electronically controlled silicone oil clutch or an electronic water pump, or even other automotive components such as this, although there is a certain technical contribution under the tide of energy conservation, it is difficult to be placed by car companies under the halo of many main products and technologies in the market. Sensitive location. For the big trend of energy conservation, to achieve stringent fuel consumption limits and emission standards, each chain and details need to do their best. This is like a good repertoire. In addition to the outstanding protagonists, they also need a variety of supporting characters, including behind-the-scenes personnel to support and support, in order to ensure the beautiful effect of the entire stage...

Li Jiaqiang told reporters that although electronic clutches began mass production in China in 2009, they were officially promoted in 2004, when the first collaborator was Dongfeng. “We have tested the product and its introduction of Renault D311 engine and tested it to the satisfaction of the customer. Now Dongfeng Renault still uses this product, and this product is also used in its Tianlong truck, which has always been in terms of fuel consumption. Being respected as the benchmark of the industry, therefore, it is better to look at the real feedback of the market.” Li Jiaqiang said with pride.

In addition, the reporter learned from Li Zongna that, although the product has been technically recognized by the market, there are still some limitations in the promotion of the configuration. It requires the engine to meet two requirements: 1. It must be an electronically controlled engine; 2. The ECU in the engine must support the operation of the electronically controlled clutch. However, some of the old engines did not have the above conditions of use, but now, such as Denso, Bosch has put the ECU into the engine as a standard. In Europe, more than 90% of commercial trucks use controlled fans, while domestic common-rail and country-four engines are moving in this direction. This requires a journey.

Electronic water pump - Golden partner of energy conservation and emission reduction darling

It is understood that electronic water pump drive using Trusense DC brushless motor technology, operating voltage range up to 8 volts -18 volts, the maximum performance can reach 25 liters / minute. In terms of control, the performance (flow, pressure, etc.) of BorgWarner electronic pumps has enabled automotive-related components to work at optimal temperatures. In addition, the product also integrates powerful diagnostic functions to monitor the operation of the pump and cooling system in real time.

In recent years, with the tightening of energy-saving and emission-reduction policies, traditional internal combustion engine energy-saving technologies such as turbocharging, start-stop technology, etc. have become the darling of the market, and electric and hybrid technologies are also developing by leaps and bounds. The electronic water pump will become one of the strong supporters of these darlings and emerging things.

In order to promote the turbocharger to better exert its performance, the electronic water pump will continue to provide auxiliary cooling to the turbine itself and the intake air to reduce the gas to a certain temperature, referring to the combustion efficiency; and for the start-stop system, the engine will often occur short When the time is off, the cooling system cannot be stopped at this time, avoiding the risk of coking of the lubricant. Electronic water pumps have gradually been used to cool related components in electric vehicles and hybrid vehicles. However, at this time, its function is mainly positioned on the cooling, and it has little relevance to reducing fuel consumption. According to Ren Chengjun, sales manager of Warner Shenglong Thermal Energy Systems, the system has been installed on the S5 family car in Jianghuai, and cooperation with JAC's electric vehicle project has also been established.

Since its establishment in 1998, Warner Shenglong has maintained the simultaneous development and introduction of products based on global resources, including the above two products. According to general manager Li Jiaqiang, the electronically controlled silicone oil fan clutch was mass-produced in 2009 and is now fully rolled out. It has been recognized and praised by many commercial vehicle manufacturers and construction machinery manufacturers. Existing customers include Weichai, Shaanxi Auto and Foton. , Shanghai Hino, Sany Heavy Industry, etc. The electronic water pump began selling in China in 2013. In August this year, the product line was put into use at the Ningbo plant.

“In recent years, everyone has been paying attention to energy saving and environmental protection. Although we are producing accessories, we can reduce fuel consumption by 7.2% if all of our products are put together. Although this is tested under certain conditions, it represents value. If the engine is the main force, then these products are their heroes behind the scenes, and we also dare to be their hero behind the scenes." Li Jiaqiang said.

Electronically controlled silicone oil fan clutch - energy saving while meeting cooling requirements

Since BorgWarner invented the world's first silicone oil fan clutch in the last century, the cooling fan's energy-saving technology has gradually been put on the agenda and has attracted the attention of major OEM manufacturers. The development of automotive engine cooling fans has undergone a history of fixed fan-silicon clutch driven fans - electronically controlled silicone oil clutch driven fans.

Warner Shenglong Senior Application Engineering Manager Dai Hongming explained that the electronically controlled clutch is different from the traditional bimetal sensing control mode. It can read the ECU signal of the engine control module directly, and the internal solenoid valve of the clutch provides the temperature sensor of each part of the engine. The information controls the speed of the cooling fan so that a more accurate and rapid response can be achieved. This product has significantly improved the system noise, energy saving and consumption reduction compared with similar temperature sensing products. The electronic silicon oil clutch is mainly used in high-end large passenger cars, trucks and some construction machinery vehicles that have Euro 3 emissions and above. According to the BorgWarner Thermal Systems European Technology Center, a cooling system with electronically controlled silicone oil fan clutch technology can reduce engine power consumption by 4.2% compared to a fixed fan cooling system, and is cooled by the use of traditional bimetal sensing silicon oil clutch technology. Compared to the system, the engine power consumption can be reduced by 1.2%.

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