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introduction：After a variety of electronic switches appear on the market(Includes delay switch)Carry out analytical tests，These switches were found to have a static power consumption of more than 600 or 700 milliwatts，Over the course of a year, the static power consumption of each electronic switch is5、6Degree or above。Every manufacturer produces a large number of these switches for people to use every year，You can imagine how much waste。For this purpose，The author uses a very common small current touch thyristor(It has the characteristics of small trigger current of the control pole，Trigger current is much less than200μA，The current rating is1AThe price of this thyristor is only four、Fifty cents)，Three kinds of practical electronic touch switches are designed and manufactured，These switches have simple circuits、Low cost、Component purchase、Work reliably、Easy to use and other features，More importantly, there is no static power consumption or only very small power consumption。There is no need to distinguish the two lead wir
2018-08-20 Reading quantity 365
introduction：Three phase solid state relay price Three-phase solid-state relays are often used in physics，Of course，In terms of everyday life，The probability of using a three-phase solid-state relay is also relatively high。Strictly speaking，A three-phase solid-state relay is an electronic switch，The switch is contactless on - off，So its widely used in many ways。The following prices are not given for three-phase solid state relays only given Knowledge of the characteristics of solid state relays。The price of three-phase solid-state relays is determined according to the model of solid-state relays，If you want to make an inquiry, you can visit the home page of our website, Fengye Mall，Hope to help you。
2018-08-15 Reading quantity 206
introduction：Low-voltage circuit breakers are widely used in building low-voltage distribution systems，It is a protective electrical component，With open circuit protection、Overload protection、Control and isolation functions，Suitable for industrial and civil building terminal low-voltage distribution system。The low-voltage circuit breaker is improperly designed in the distribution system，Guihui Ying The normal operation of the power supply circuit。therefore，When designing a low-voltage distribution system，Attention should be paid to the details of the selectivity and cascade protection of low-voltage circuit breakers。 Low voltage circuit breaker selectivity。To ensure the reliability of low-voltage power distribution system，The selectivity of low voltage circuit breaker has become an important content in the design of terminal low voltage distribution system。
2018-08-15 Reading quantity 334
introduction：With the continuous development of power electronics technology，The new control theory is constantly put forward and improved，The frequency conversion technology has been rapidly developed。In recent years，With the continuous improvement and expansion of inverter functions，The scope of its application is also expanding，It has now been used from the beginning only for fans、Pump speed transition to various applications requiring high precision、Fast response of high performance speed regulation indicators for industrial sites。ACS150Series frequency converterABB Company design and manufacture，It can meet a wide range of mechanical industry requirements through an optimized combination of optional parts，Mainly used in fans、pumps、gating、Material handling、Control of conveyor belts, etc。
2018-08-14 Reading quantity 569
introduction：Single stage cylindrical gear reducer
2018-08-13 Reading quantity 235
introduction：2、The sensor of the digital water level controller is installed vertically in the measured liquid，Under the action of liquid buoyancy，A float with magnetic steel inside，Displacement occurs as the liquid level changes。The magnetic field of the magnetic steel acts on the humidity in the sensor detection tube(dry)Reed pipe，Make its contacts pull or break，Forms a change in the output resistance value of the sensor。The change of resistance value is converted to the corresponding by the display tableLEDLed lights out，Thus, the change of the measured liquid level can be simulated，When the liquid level is wet in two(dry)There is no suction between the reed tubes，The display table remains in the previous position，Until the next wet(dry)Reed action，Make sure there are no dark areas。
2018-08-10 Reading quantity 377
introduction：About the multi-point electric dry pump，We may simply understand，The hydrostatic lubrication of multi-point electric dry pump may not be well understood，today，Let my company take you to have an in-depth look at its static pressure lubrication，Specifically as follows。 Multi-point electric dry pump through a set of high pressure hydraulic oil supply system，Apply a certain pressure of lubricating oil to the throttle damper，Forced into the gap between the friction surfaces of the motion pair，Such as in the clearance of static bearing、Flat static pressure sliding guide in the gap、Static pressure screw clearance medium。The friction surface has not yet begun to move，Its separated by a high-pressure oil separator，Force an oil film，Thus, it ensures that the motion pair can withstand certain working load conditions，Fully liquid lubricated，This lubrication is called hydrostatic lubrication。
2018-08-09 Reading quantity 325
introduction：Indexing head maintenance，It is also very important for the dividing head，Its main contents are： (1)New dividing head，Should be cleaned before use，But be careful not to damage the finish。 (2)Install、During handling and use，Care should be taken to avoid collisions，And no tapping，In particular, the positioning blocks should be protected。 (3)The accuracy of the dividing head is generally before the factory，Its already adjusted，Therefore, do not easily adjust during use，Avoid problems。 (4)The dividing head should be lubricated regularly，So that it can be used normally。
2018-08-08 Reading quantity 379
introduction：In the intermittent rotary operation of the CAM divider,The types of motors required include the following:Micro speed regulating motor；Geared machine；Servo or programmableACElectric machine。At present in the market most of the way used motor，All are selected from the perspective of simplicity of operation and cost，Micro speed regulating motors and geared motors are the most popular choices。
2018-08-06 Reading quantity 393
introduction：With the continuous development of social economy and science and technology，The devices people use are getting more sophisticated。Into the major universities，People will find that almost every college student now has a laptop。The wide application of laptop computers，Which is the power source of the laptop—The power adapter is particularly important。Many college students dont know about power adapters，The many products of many power adapter manufacturers also dazzled college students。In that way，What are the precautions for using a power adapter？
2018-08-06 Reading quantity 196
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