Pneumatic control component leh basic circuit te a awm bawk
Pneumatic system-ah chuan control elements hi compressed air pressure, flow rate, flow direction leh signal thawn chhuahna control leh regulate-na atana thil pawimawh tak a ni. An hmang hian pneumatic circuit hrang hrang siam theih a ni a, chu chuan pneumatic actuating elements te chu a tul angin a thawk tlangpui thei a ni. Pneumatic control components te hi an hnathawh leh an hman dan a zirin chi thum ah then theih a ni a, chungte chu pressure control valve, flow control valve, leh directional control valve te an ni. Chu bakah, pneumatic logic components te pawh an awm a, chungte chuan airflow lam hawi leh on{3}}off hmangin logical function hrang hrang an ti thei a ni.
1Pressure control valve leh pressure control circuit te a awm bawk
Pressure control valve hi system chhunga gas awmte pressure control nan leh pressure mamawh hrang hrang phuhruk nan hman a ni ber. Pressure control valve hi chi thum-ah then theih a ni: A chi khatna chu pressure tihtlem leh tihngheh nan a thawk a; A chi hnihna chu pressure tihtlem leh himna venna pe thei safety valve a ni a, chu chu relief valve a ni. A chi thumna chu sequence valve a ni a, gas line pressure hrang hrang hmanga control thenkhat a ti thin.
1. Hriselna valve
Safety valve hian system chhunga himna venhimna kawngah hmun a chang a ni. System pressure-in a value tarlan a pelh chuan safety valve chu a inhawng a, gas thenkhat chu boruakah a chhuah tir a, chu chuan system pressure chu allowable value aia tam a nih loh nan a enkawl a, chu chuan system chhunga pressure tam lutuk avanga accident thleng tur a veng thei a ni. Safety valve structure leh graphic symbol chu a lem ah hian tarlan a ni.
Figure: Safety valve structure leh graphic symbol
2. Pressure-tihniamna valve
Pressure-reducing valve hnathawh chu gas supply source pressure chu device mamawh pressure-a tihhniam a, pressure tihhniam hnuah pawh pressure value chu a nghet reng theih nan a ni. Pressure reducing valve hnathawh dan bulpui ber chu pressure regulating range, pressure characteristic leh flow characteristic te a ni. Pressure characteristics leh flow characteristics hi pressure-reducing valve thil pawimawh pahnih a ni a, a thlan leh hmanna atana base pawimawh tak a ni. Pressure-reducing valve thlan dawnin a chi leh pressure regulation dikna chu hman dan tur a zirin hriat tur a ni a, chutah chuan a diameter chu output flow tam ber mamawh angin thlan tur a ni. Pressure-reducing valve awm dan chu Figure-ah hian kan hmu a. Valve air source pressure chu maximum output pressure aiin 0.1MPa in a sang tur a ni. Pressure-reducing valve hi a tlangpuiin tui separator leh air filter hnuah leh oil mist lubricator hmaah dah a ni a, Figure-a kan hmuh ang hian. A inlet leh outlet chu reverse lo turin kan ngen a che u. Valve hman loh hunah chuan pressure hnuaia diaphragm a tihchhiat fo loh nan knob chu tihzauh tur a ni a, chu chuan a performance a tichhe thei a ni.
Figure: Pressure-reducing valve awm dan
Figure: Pressure-reducing valve dahna hmun
3. Pressure control theihna circuit
Pressure control circuit hi fundamental circuit a ni a, chu chuan circuit chhunga pressure chu range engemaw zat chhungah a dah a, a nih loh leh circuit chu pressure level hrang hrang a hmu thei a ni. A hman tlanglawn tak takte chu primary pressure control circuit leh secondary pressure control circuit te an ni.
Primary pressure control circuit a ni
Primary pressure control circuit hmang hian gas dahna tank pressure chu pressure value tarlan aia tam lo turin control a ni. External control relief valve leh electrical contact pressure gauge hmangin air compressor te start leh stop control a ni fo a, air storage tank chhunga pressure chu a bituk chhungah dah a ni. Electrical contact pressure gauge hman a ni a, hei hian motor leh control atan mamawh sang tak a nei a ni. Air compressor te tak te control nan an hmang fo thin a, Figure-a kan hmuh ang hian.
Figure: Primary pressure control circuit atanga a lan dan
2) Secondary pressure control circuit a ni
Secondary pressure control loop hian pneumatic system a air source pressure a control ber a ni. Pneumatic transmission-ah chuan tui separator leh air filter, pressure reducing valve leh oil mist lubricator te hi a vaiin pneumatic three-piece set tia sawi an ni fo thin. Figure-a kan hmuh ang hian secondary pressure control circuit a ni a, pneumatic three-piece set atanga siam a ni.
Figure: Secondary pressure control circuit atanga lo chhuak a ni
2 Flow control valve leh speed control circuit te a awm bawk
Cylinder chu mumal tak leh rintlak taka a thawh theih nan cylinder kal chakna chu control a ngai a ni. Thil tih dan tlangpui chu chutiang ti thei tur chuan flow control valve hman hi a ni. Flow control valve hian gas flow rate a tihdanglam avangin pneumatic actuator movement speed a control a, gas flow control chu flow control valve flow area thlak danglamin a ti thei bawk. Flow control valve hman tlanglawn tak takte chu throttle valve, one-way throttle valve, exhaust throttle valve, etc. te an ni.
One-way throttle valve a ni
One-way throttle valve chu Control valve inzawmkhawm, one-way valve leh throttle valve parallel-a siam a ni. A structure leh graphic symbol chu Figure-ah hian kan hmu a. Port P atanga port A thlenga airflow a luang chuan throttle valve hmangin throttle a ni. A atanga P a a luang chuan check valve chu throttling lovin a inhawng thin. Cylinder-a speed regulation leh delay circuit-ah hian one-way throttle valve hi hman a ni fo thin.
Figure: One-way throttle valve structure leh graphic symbol
2. Speed control loop a ni
Double-acting cylinder hian siamthat dan pahnih a nei a, chungte chu intake throttling leh exhaust throttling te an ni. Figure ah hian intake throttling adjustment circuit a lang a. Intake throttling lai hian load direction chu piston direction nen a inpersan chuan piston movement chu unbalanced phenomenon, chu chu crawling phenomenon a ni tlangpui. Load direction chu piston direction nen a inmil chuan load chu a run dry duh hle a, chu chuan cylinder chu control a hloh phah thin. Chuvangin intake throttling adjustment circuit hi vertically installed cylinder tan hman a ni ber. Horizontal-a dah cylinder tan chuan adjustment circuit hian a tlangpuiin exhaust throttling adjustment circuit a hmang a, Figure-a kan hmuh ang hian. Figure-a kan hmuh ang hian throttle valve atanga siam speed control circuit diagram a ni. End A atanga compressed air lakluh a nih a, end B atanga chhuah a nih chuan one-way throttle valve A check valve chu a inhawng a, cylinder-a rodless cavity chu rang takin a inflate ta a ni. One-way throttle valve B-a one-way valve chu khar a nih avangin rod cavity chhunga gas chu throttle valve kaltlangin chauh a chhuak thei a ni. Throttle valve B hawnna℃siamrem hian cylinder a inzar pharh huna a kal chakna chu a thlak danglam thei a ni. Chumi kalh zawng chuan throttle valve A hawnna℃siamrem hian cylinder chu a hnungtawlh hunah a kal chakna a tidanglam thei a ni. Hetiang control method hian piston chu a thawk nghet thei a, hman tlanglawn ber a ni.
Figure: Double-acting cylinder tan unidirectional adjustment circuit a ni
Figure: Speed control circuit chu throttle valve atanga siam a ni Figure
3 Electromagnetic directional control valve leh pneumatic control circuit te a awm bawk
1. Hmun lam hawi control valve
Directional control valve hmang hian compressed air flow direction leh air flow interruption control nan hman a ni. Pneumatic directional control valve hi valve core structure a zirin chi hrang hrangah then theih a ni a, slide valve type, globe type, flat surface type, plug type leh diaphragm type te hi a ni a, chung zingah chuan globe type leh slide valve type te hi hman a ni nasa zawk. Control method hrang hrangah chuan electromagnetic control type, pneumatic control type, mechanical control type, manual control type leh time control type, etc. ah te then theih an ni a, an functional characteristics a zirin unidirectional type leh reversing type ah te then theih an ni. Port awm zat leh valve core hnathawhna hmun awm zat a zirin chi hrang hrangah then theih a ni a, chungte chu two-position two-way, two-position three-way, leh three-position five-way te hi a ni, Table-a kan hmuh ang hian.
Table: Directional Control Valve-te Port leh hnathawhna hmun
2. Electromagnetic hmanga kalna tur control valve
Electromagnetic directional control valve hian electromagnet suction force hmangin valve core chu a nawr a, valve hnathawhna hmun a thlak danglam a, chu chuan airflow flow direction a control thei a ni. Push-button switch, limit switch, proximity switch, etc. hmanga signal thawn hmanga control theih a nih avangin electro-pneumatic combined control neih a awlsam a, hla tak atanga hman theih a ni a, hmanna hrang hrang a awm bawk. Solenoid valve thliar hranna tlanglawn ber chu port awm zat leh valve core hnathawhna hmun a zirin a ni a, chung zingah chuan two-position two-way, two-position three-way, three-position five-way, leh a dang tam tak a tel. Electromagnet hmanga coil khalh zat a zirin solenoid valve te hi single-controlled leh double-controlled type ah an then a. Valve electromagnet hi power source hrang hrang hman dan azirin chi thum-ah then a ni a, chungte chu AC type, DC type leh local type te an ni. Hetiang chi hi AC local rectifier chi a ni. He electromagnet ngei hian half-wave rectifier a nei a, chu chuan DC electromagnet structure leh characteristics nei chungin AC direct-in a hmang thei a ni. A hman hunah chuan control mamawh angin electromagnetic directional control valve dik tak thlan tur a ni.
Figure-ah hian direct-acting single electrically controlled two-position three-way electromagnetic directional control valve hnathawh dan tur schematic diagram a ni.
Figure: Direct-acting single electrically controlled electromagnetic directional control valve hnathawh dan tur diagram
Working principle: Electromagnet chu de-energised a nih chuan valve core chu spring hmangin a chung lam tawp lamah a nawr a, 7 leh A chu a thlunzawm a, electromagnet chu energy pek a nih chuan iron core chuan valve core chu push rod hmangin a hnuai lam tawp lamah a nawr a, P leh A te chu a thlunzawm a ni.
Figure hian direct-acting, double electrically controlled two-position five-way electromagnetic directional control valve hnathawh dan tur diagram a tarlang a ni. Figure-ah hian pilot-operated double electrically controlled directional control valve-a working principle diagram tarlan a ni.
Figure: Direct-acting double electrically controlled two-position five-way solenoid valve hnathawh dan tur diagram
Figure: Pilot-operated double electrically controlled Directional control valve hnathawh dan tur diagram
A chungah hian Pneumatic control components leh basic circuits content te tarlan a ni. A kaihhnawih thu belhchian dawl zawk hriat duh chuan tlawh theih a nihttps://www.joosungauto.com/ ah hian a awm a.
