The vertical shaft crusher, also known as the vertical impact crusher, is commonly referred to as the sand making machine. It is the crystallization of the wisdom and correct decisions of experts in the field of mining machinery equipment research and development for many years. It is a high-energy and low-consumption equipment with international advanced…
Everyone knows that,the regulating device of the transformeris divided into the transformer “no excitation” regulating device and the transformer “with load” regulating device. Both refer to the transformer tap switch voltage regulation methods, so what is the difference between the two? Let us first understand the definitions of the two: ①”No excitation“voltage regulation, is to…
【Action Description】 The figure shows a traffic light controltiming diagram,the traffic light program begins to act after the startsignal is conducted, and the action requirements are as follows: 1) North-south red lights and east-west green lights are lit at the same time, 25s later. 2) The green light of the east-west direction begins to flash…
Action Description As shown in Figure 2-5-1, a sewage tank, which is equipped with two sewage pumps to achieve the discharge and treatment of its sewage, specificallycontrol requirements are as follows: 1) Long pressto startthe button for 3 seconds, the device starts, the operation indicator light Y1 (green light) is on, press the second button…
Duringthe maintenance operation of theelectrician,circuitdiagrams always play a crucial role, and it is not an exaggeration to say that thecircuitdiagram is the foundation of the electrician’s principles. As the saying goes, a good electrician may not be a great electrician, but an electrician who cannot read circuit diagrams is definitely not a qualified electrician! Circuit…
Reactive powerPowerCompensation cabinet, is three-phase four-wireLow voltageDistributionNetwork to improve the power factor, reduce distributionNetwork line, improveElectricalEquipment utilization is an indispensable important supporting facility. The main low-voltage electrical appliances in the reactive power compensation cabinet are as follows:Electrical appliancesThere are several kinds: 1、Distribution cabinet——Assemble various low-voltage electrical appliance components. 2、Instrument——Detect and monitor the operation status of…
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Analog isolator is an electronic component used to isolate analog signals between two circuits to prevent interference between circuits. It usually consists of two analog signal converters, which can convert analog signals into digital signals and then convert them back into analog signals to achieve isolation. Signal isolator is a kind of linear optocoupler isolation…
In agricultural production, greenhouses have played a huge role in promoting the development of agriculture. In the fields of high-value, off-season vegetables, high-value fruits, etc., greenhouses are increasingly indispensable. It has many benefits. For example, the greenhouse can be regarded as an independent ecosystem to a certain extent, which can isolate pests and diseases to…
Intelligent parking guidance system is a kind of advanced technology, through real-time data analysis and intelligent algorithms, to provide accurate parking information and guidance to car owners, helping to solve the troubles and challenges in the parking process. This article will reveal the black technology of intelligent parking guidance system , introduce its working principle,…