Improvements on the Electrical Parts of Jiamusi Combine Harvester

1. Use the new power main switch JL1065 1075 The harvester is not equipped with a power switch at the factory. Most of our harvesters now have a manual main switch. Since the cab is relatively inconvenient to operate from the battery, it is not convenient. This kind of switch can only bring convenience to the maintenance circuit, and can not cut off the power quickly in the short circuit of the electrical circuit in the normal operation. In recent years, a new type of electromagnetic main switch has appeared on the market. This kind of switch is reasonable in design, stable and reliable in operation, and very convenient in operation. More and more devices are being equipped in many new modern automobiles. If our harvester switches to this type of switch, it will have a better protection for the electrical system and will greatly reduce the risk of the electrical risks to the locomotive. 2. The starter alarm starter is the highest value component of the harvester electrical system, and its failure rate is also very high. In the starter's all faults, the biggest hazard is the "follow-up" fault, that is, after the engine fires, the starter is still in working condition. Because of the noise of the engine and the high speed, it is far from the cab and it is difficult for the driver to find it in time. This phenomenon will cause great damage to the starter in a very short period of time, leading to serious consequences that the starter cannot be repaired. In actual work, more than 90% of the starters we scrapped were caused by "follow-up" faults. The starter equipped on the harvester is very expensive, and an agricultural large-scale farm produces a direct economic loss of 10,000 yuan every year. If we make a little bit of improvement on the start-up circuit, we will avoid the serious consequences of “follow-up”. This greatly reduces the maintenance cost of the harvester. 3. The lighting system of the JL1065 1075 harvester lighting system is directly controlled by the ignition switch. In addition, the ignition switch also controls the oil pump, excitation, instrumentation and other auxiliary equipment. The headlight of the harvester was originally a high-beam 110W low-beam 90W, which is now mostly replaced by high-beam 200W low-beam 200W, and some drivers even connected the far and near lights together or install a work light on the lighting line. Severe overload causes the ignition switch to be “hot” during night operation, which greatly shortens the service life of the ignition switch and makes other major equipment unable to work normally. Frequent replacement of the ignition switch is not a fundamental solution to the problem. It is a good idea to transfer the load of the lighting system reasonably and effectively.

Freeze Dried process is a method to freeze the dry liquid materials into solid and use the sublimation properties of ice under low temperature and pressure to dehydrate the materials and achieve the purpose of drying. Freeze-drying technology first appeared in the space field, and it is known to all that the space food has a high quality requirement, which is designed to meet the needs of the astronauts in space for the nutrition of fruits and vegetables. Because freeze-drying technology not only let the color, aroma, taste, nutrition of the food itself, but also make food more convenient to carry and transport. With the development of economy, freeze-drying technology has been applied to daily food processing, so the lyophilization process is also called aerospace food technology.


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Freeze dried food is to use rapid freezing, vacuum dehydration method of ice, preserved the original color, aroma, taste, nutrition, and the appearance of the original material, the water content of only about 5%, because of the particularity of its craft, by freezing to break the cell wall, so crispy, nutrition, easy absorption


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