CN105545763A - Remote control device and control method for water supply pressure tank - Google Patents
Remote control device and control method for water supply pressure tank Download PDFInfo
- Publication number
- CN105545763A CN105545763A CN201510926308.3A CN201510926308A CN105545763A CN 105545763 A CN105545763 A CN 105545763A CN 201510926308 A CN201510926308 A CN 201510926308A CN 105545763 A CN105545763 A CN 105545763A
- Authority
- CN
- China
- Prior art keywords
- auxiliary reclay
- normally
- contact
- enters
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
A remote control device and control method for a water supply pressure tank relate to a microcomputer time control switch, a GSM remote control terminal, an on-site operation and display panel and SMS monitoring. A control function includes on-site manual/automatic switching, remote manual/automatic switching, remote manual control and automatic control of the microcomputer time control switch. The remote control device and control method have the beneficial effects as follows: manual operation and automatic operation are employed simultaneously to bring about convenience to a user and guarantee the system reliability to make the user feel relieved in use; on-site control and remote control are employed simultaneously, so that the labor cost is greatly saved on the premise that the system reliability is guaranteed; and on-site state indication and remote state transmission functions are achieved simultaneously, so that the working state of a pressure tank water supply system can be visually observed, and the change of the state of the pressure tank water supply system can be mastered conveniently in time. By virtue of a remote mobile phone, the system can feed a current working model or a current motor state back to a remote mobile phone client.
Description
Technical field
The present invention relates to pressure of supply water tank remote control and controlling method, utilize microcomputer time-controlled switch and GSM remote control terminal to realize pressure of supply water tank and automatically control on a time period and remote monitoring.
Background technique
In the object procedure that enforcement " is made the rural economy flourish, accelerated process of carrying out the process of urbanization ", rural water supply system construction is rapidly developed.At present, common way of supplying water has that the clear water reserviors of water tower water-feeding, secondary pressurized supply water, direct-supplying type supplies water, pressurized tank supplies water.Horse is gorgeous in " application of pressurized tank way of supplying water in small rural water supply project " (waterpower and construction engineering journal, 2013,11 (5): 110-113) in, research shows, pressurized tank supplies water the large discharge water requirements be both applicable in short-term, be suitable for again long-term small flow water requirements, and by area and the restriction at water source, be easy to construction, less investment, occupation of land are little, consume energy little, operation management is convenient.Pressurized tank supplies water not to be needed to build water tower, and adopt aqueous vapor automatically to regulate, automatically operate and tap water auto-parallel, still can supply water after power failure, research shows: than building water tower investment reduction about 70%, than construction elevated tank investment reduction about 60%.Therefore, pressurized tank way of supplying water will be widely applied in the Rural water supply that water supply scale is less, and its water system also will start a upsurge updated.
Pressurized tank the supply water control mode that generally adopts in current rural area is on-the-spot Non-follow control, cannot realize remote monitoring, need within 24 hours, there is people's post mode, bring the input of manpower, financial resources to user.
Summary of the invention
The present invention will solve the problems referred to above that prior art exists, and provides a kind of pressure of supply water tank tele-control system based on microcomputer time-controlled switch and GSM remote control terminal and device.
Technical solution of the present invention is:
A kind of pressure of supply water tank remote control, its special way is:
Pressurized tank is arranged between distribution pump and pipe network, and pressurized tank entrance configuration safety check, prevents aqueous reflux, pressurized tank outlet configuration gate valve; Pressurized tank top connects pressure gauge with electric contact by pipeline, and the hydraulic pressure on the one hand in indicated pressure tank, is sent to pressurized tank control gear by the switching signal of upper pressure limit and lower limit on the other hand; Submersible pump is placed in water supply well, for pressurized tank and pipe network water supply, submersible pump provides power by threephase asynchronous, threephase asynchronous is driven by starting drive, starting drive controls the start and stop of water pump by pressurized tank control gear, and the operating state signal of starting drive passes to pressurized tank control gear simultaneously; Pressurized tank control gear receives the short-message instruction of mobile phone control end by GSM network, receive the auxiliary normally opened contact information of on-the-spot button commands, upper pressure limit and lower limit information, A.C. contactor simultaneously, and export control command control starting drive, simultaneously, working method and running state information are shown by tutorial light, and sends to mobile phone control end by GSM network;
Pressurized tank control gear divides seven modules according to difference in functionality, is power module, circuit breaker, remote control terminal, button and tutorial light, time switch, relay logical control and terminal block respectively;
Main circuit three live wires L1, L2, L3 of pressurized tank control gear respectively connecting breaker QF1 enter end, circuit breaker Q F1 go out that end connects isolating switch QS enter end, isolating switch QS go out that end connects fus FU1 enter end, fus FU1 go out that end connects A.C. contactor KM3 main contact enter end, KM3 main contact go out that end connects thermorelay FR main contact enter end, thermorelay FR main contact go out the three-phase terminal that end connects asynchronous motor, a live wire L1 and zero line N is introduced control loop, first there is electric tutorial light LA6 in parallel with power supply, live wire L1 and zero line N connecting breaker QF2 enters to hold, what the live wire of circuit breaker Q F2 went out to hold connection control main switch enters end, control main switch go out end connect emergency stop button enter end, the fire line terminal of the Chu Duan mono-road connecting valve power supply of emergency stop button, the zero terminal of the zero line Chu Duan mono-road connecting valve power supply of circuit breaker Q F2, what the positive terminal of switch power connected fus FU2 enters end, fus FU2 goes out Duan Fen tri-tunnel: the first via enters to hold with automatic button SB3 and is connected, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 enters end and auxiliary reclay KA2 enters end and enters end with automatic button SB3 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect hand push button SB4 normally-closed contact again enters end, hand push button SB4 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA1 enter end, the normally-closed contact of auxiliary reclay KA1 go out that end connects remote manual auxiliary reclay KA3 normally-closed contact enter end, remote manual auxiliary reclay KA3 normally-closed contact go out that end connects auxiliary reclay KA2 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA2 coil, second tunnel enters to hold with hand push button SB4 and is connected, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 enters end and auxiliary reclay KA1 enters end and enters end with hand push button SB4 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect automatic button SB3 normally-closed contact again enters end, automatic button SB3 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA2 enter end, the normally-closed contact of auxiliary reclay KA2 go out that end connects remote auto auxiliary reclay KA4 normally-closed contact enter end, remote auto auxiliary reclay KA4 normally-closed contact go out that end connects auxiliary reclay KA1 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA1 coil, 3rd tunnel connects the+24V terminal of remote control terminal, what the input terminal X0 of remote control terminal connected auxiliary reclay KA1 normally opened contact enters end, what input terminal X1 connected auxiliary reclay KA2 normally opened contact enters end, what input terminal X2 connected that A.C. contactor KM3 assists normally opened contact enters end, auxiliary reclay KA1 normally opened contact go out end, auxiliary reclay KA2 normally opened contact go out end, the end that goes out that A.C. contactor KM3 assists normally opened contact is connected in parallel with COM terminal, GND connecting terminals is connected to switch power negative terminal, what the Out let Y0 of remote control terminal connected remote manual auxiliary reclay KA3 coil enters end, what Out let Y1 connected remote auto auxiliary reclay KA4 coil enters end, what Out let Y2 connection startup auxiliary reclay KA45 enclosed enters end, Out let Y3 connect stop auxiliary reclay KA6 coil enter end, remote manual auxiliary reclay KA3 coil go out end, remote auto auxiliary reclay KA4 coil go out end, what start auxiliary reclay KA45 circle goes out end, the end that of auxiliary reclay KA6 coil is stopped to be connected in parallel with+24V terminal, COM terminal connects GND terminal, another road connection control of emergency stop button outlet terminal have electric tutorial light LA5 enter end, control the outlet terminal going out to hold connecting breaker QF2 having electric tutorial light LA5, what the normally-closed contact of A.C. contactor KM3 entered to hold connection control to have an electric tutorial light enters end, the normally-closed contact of A.C. contactor KM3 goes out end and connects and stop that tutorial light LA4's enter end, stop tutorial light LA4 go out to hold connection control to have electric tutorial light LA5's go out end, the normally-closed contact of automatic auxiliary reclay KA2 enters to hold the normally-closed contact of connection A.C. contactor KM3 to enter end, what the normally-closed contact of automatic auxiliary reclay KA2 went out that end connects automatic pilot lamp LA3 enters end, the end that goes out of automatic pilot lamp LA3 connects and stops that tutorial light LA4's go out end, the normally-closed contact that the live wire inlet side of microcomputer time-controlled switch connects automatic auxiliary reclay KA2 goes out end, and live wire goes out the common port that end is connected to pressure gauge with electric contact, zero line inlet side T1 and zero line go out to hold T2 be connected run indicator LA2 go out to hold, what the common port of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact going out end connection auxiliary reclay KA8 of the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact of auxiliary reclay KA8 goes out to hold the normally-closed contact of connection thermorelay FR to enter end, what the normally-closed contact of thermorelay FR went out that end connects A.C. contactor KM3 coil enters end, A.C. contactor KM3 coil go out that end connects auxiliary reclay KA8 coil go out end, run indicator LA2 enter that end connects A.C. contactor KM3 coil enter end, run indicator LA2 go out that end connects A.C. contactor KM3 coil go out end, what the lower bound terminal of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 goes out end, what the high limit terminal of pressure gauge with electric contact connected auxiliary reclay KA8 coil enters end, auxiliary reclay KA8 coil go out that end connects automatic pilot lamp LA3 go out end, the normally-closed contact of manual auxiliary reclay KA1 enters to hold the normally-closed contact of the automatic auxiliary reclay KA2 of connection to enter end, what the normally opened contact of manual auxiliary reclay KA1 went out that end connects manual tutorial light LA1 enters end, the end connection automatic pilot lamp LA2 that goes out of manual tutorial light LA1 goes out end, the normally opened contact of auxiliary reclay KA7 enter that end connects microcomputer time-controlled switch go out end, the normally-closed contact going out the manual auxiliary reclay KA1 of end connection of the normally opened contact of auxiliary reclay KA7 goes out end, the normally-closed contact that start button SB1 normally opened contact enters the manual auxiliary reclay KA1 of end connection goes out end, what start button SB1 normally opened contact went out that end connects stop button SB2 normally-closed contact enters end, the end connection that goes out of stop button SB2 normally-closed contact stops the normally-closed contact of auxiliary reclay KA6 to enter end, stopping the normally-closed contact of auxiliary reclay KA6 to go out, end connects auxiliary reclay KA7 coil enters end, auxiliary reclay KA7 coil go out end connect manual tutorial light LA1 go out end, start auxiliary reclay KA5 normally opened contact, auxiliary reclay KA7 normally opened contact is in parallel with start button SB1 normally opened contact.
Remote control terminal, according to function different demarcation five modules, is USB port module, input contact modules, SCM system, cellular communications network and output contact module respectively; This system can receive manual/auto control mode instruction that cellphone subscriber sends, the instruction of start/stop Electric Machine Control and control mode/motor status query statement, by input terminal open and-shut mode, judge corresponding control mode and motor operating state, and send corresponding information to user in time.
Described starting drive is soft initiator, frequency variator or A.C. contactor.
Pressure of supply water tank long-range control method, its step is as follows:
Receive short-message instruction by SCM system, short-message instruction is resolved; First judge whether it is " manually " instruction, if manual command, then Out let Y0 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA3 coil electricity, time delay 1s-3s power-off, and returns; If not manual command, then perform downwards;
Judge whether it is " automatically " instruction, if automatic command, then Out let Y1 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA4 coil electricity, time delay 1s-3s power-off, and returns; If not automatic command, then perform downwards;
Judge whether it is " startup " instruction, if enabled instruction, then Out let Y2 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA5 coil electricity, time delay 1s-3s power-off, and returns; If not enabled instruction, then perform downwards;
Judge whether it is " stopping " instruction, if halt instruction, then Out let Y6 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA6 coil electricity, time delay 1s-3s power-off, and returns; If not halt instruction, then perform downwards;
Judge whether it is " inquiry control mode " instruction, if inquiry control mode, then send corresponding current control mode to cellphone subscriber; If not inquiry control mode, then perform downwards;
Judge whether it is " inquiry motor status " instruction, if inquiry motor status, then send corresponding current motor state to cellphone subscriber; If not inquiry motor status, then perform downwards;
Judge whether input terminal X0 has closed action, if X0 closed action occurs, then send " current is manual mode " to cellphone subscriber; If X0 closed action does not occur, then program down performs;
Judge whether input terminal X1 has closed action, if X1 closed action occurs, then send " current is automatic mode " to cellphone subscriber; If X1 closed action does not occur, then program down performs;
Judge whether input terminal X2 has closed action, if X2 closed action occurs, then send " motor runs " to cellphone subscriber; If X2 closed action does not occur, then program down performs; Judge whether input terminal X2 has disconnection action, occur if X2 disconnects action, then send " motor stops " to cellphone subscriber; If X2 disconnects action and do not occur, then program performs and returns, and carries out circulation and performs.
The invention has the beneficial effects as follows:
The present invention relates to microcomputer time-controlled switch, GSM remote control terminal, execute-in-place and display floater, SMS monitored.Controlling functions comprises the automatic control of on-site manual/automatic switchover, remote manual/automatic switchover, remote manual control, microcomputer time-controlled switch.Compare with traditional pressurized tank control gear, the present invention has following beneficial effect:
1) hand control and automation using
The present invention adopts hand control and automation and use, even if microcomputer time-controlled switch device breaks down or breaks down, does not also affect the pressurized tank control system manual operations of user, while bringing convenience, also ensure that the reliability of system to user, allow user use relieved.
2) field control and telecontrol use
The present invention adopts field control and telecontrol and uses, when Attended mode, see that well person directly can be controlled by on-the-spot, in unattended situation, remote handset user side can realize telecontrol by mobile phone short message instructions mode, even if mobile phone signal is obstructed or remote control terminal breaks down, does not also affect the field control function of pressurized tank control system, under the prerequisite ensureing system reliability, greatly save labour cost.
3) presence states indicates with remote status sending function and uses
The present invention adopts presence states indicate with remote status sending function and use, scene is provided with control electric tutorial light, control mode (manually, automatically) tutorial light, motor status (run, stop) tutorial light, sees that well person can observe the working state of pressurized tank water system intuitively by on-the-spot status indicator lamp; When control mode and motor status change, send to long-distance user by current operation mode and current motor state in the mode of note, to grasp the change of state of pressurized tank water system in time.
4) remote status query function
The present invention understands and grasp current system mode of operation and motor status information in time in order to make remote user end, is provided with remote status query function.As long as remote handset user sends " inquiry mode of operation " or " inquiry motor status ", then system by current working model or current motor condition feedback to remote handset user side.
Accompanying drawing explanation
Fig. 1 is pressurized tank control system process frame chart;
Fig. 2 is main circuit and the control circuit figure of pressure of supply water tank control system;
Fig. 3 is remote control terminal theory diagram;
Fig. 4 is the program flow diagram of remote control terminal.
Embodiment
Below in conjunction with specific embodiment, elaboration is in detail done to the present invention:
The starting drive of the present embodiment adopts A.C. contactor, and microcomputer time-controlled switch adopts KG316T microcomputer time-controlled switch, and pressure gauge adopts YX-100 pressure gauge with electric contact.
As shown in Figure 1, pressurized tank is arranged between distribution pump and pipe network pressurized tank control system process frame chart, and pressurized tank entrance configuration safety check, prevents aqueous reflux, pressurized tank outlet configuration gate valve.Pressurized tank top connects pressure gauge with electric contact by pipeline, and the hydraulic pressure on the one hand in indicated pressure tank, is sent to pressurized tank control gear by the switching signal of upper pressure limit and lower limit on the other hand.Submersible pump is placed in water supply well, for pressurized tank and pipe network water supply, pump provides power by threephase asynchronous, threephase asynchronous is driven by A.C. contactor, A.C. contactor controls the start and stop of water pump by pressurized tank control gear, and the operating state signal of A.C. contactor passes to pressurized tank control gear simultaneously.Pressurized tank control gear receives the short-message instruction of mobile phone control end by GSM network, receive on-the-spot button commands, upper pressure limit and lower limit information, pump operation status information simultaneously, by program and the logic control fuction output control command control A.C. contactor of formulation, simultaneously, working method and running state information are shown by tutorial light, and sends to mobile phone control end by GSM network.
The main circuit of pressurized tank control system and control circuit figure are as shown in Figure 2, main circuit three live wires L1, L2, L3 respectively connecting breaker QF1 enter end, circuit breaker Q F1 go out that end connects isolating switch QS enter end, isolating switch QS go out that end connects fus FU1 enter end, fus FU1 go out that end connects A.C. contactor KM3 main contact enter end, KM3 main contact go out that end connects thermorelay FR main contact enter end, thermorelay FR main contact go out the three-phase terminal that end connects asynchronous motor.A live wire L1 and zero line N is introduced control loop, first there is electric tutorial light LA6 in parallel with power supply, live wire L1 and zero line N connecting breaker QF2 enters to hold, what the live wire of circuit breaker Q F2 went out to hold connection control main switch enters end, control main switch go out end connect emergency stop button enter end, the fire line terminal of the Chu Duan mono-road connecting valve power supply of emergency stop button, the zero terminal of the zero line Chu Duan mono-road connecting valve power supply of circuit breaker Q F2.What the positive terminal of switch power connected fus FU2 enters end, fus FU2 goes out Duan Fen tri-tunnel: the first via enters to hold with automatic button SB3 and is connected, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 enters end and auxiliary reclay KA2 enters end and enters end with automatic button SB3 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect hand push button SB4 normally-closed contact again enters end, hand push button SB4 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA1 enter end, the normally-closed contact of auxiliary reclay KA1 go out that end connects remote manual auxiliary reclay KA3 normally-closed contact enter end, remote manual auxiliary reclay KA3 normally-closed contact go out that end connects auxiliary reclay KA2 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA2 coil, second tunnel enters to hold with hand push button SB4 and is connected, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 enters end and auxiliary reclay KA1 enters end and enters end with hand push button SB4 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect automatic button SB3 normally-closed contact again enters end, automatic button SB3 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA2 enter end, the normally-closed contact of auxiliary reclay KA2 go out that end connects remote auto auxiliary reclay KA4 normally-closed contact enter end, remote auto auxiliary reclay KA4 normally-closed contact go out that end connects auxiliary reclay KA1 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA1 coil, 3rd tunnel connects the+24V terminal of remote control terminal.What the input terminal X0 of remote control terminal connected auxiliary reclay KA1 normally opened contact enters end, what input terminal X1 connected auxiliary reclay KA2 normally opened contact enters end, what input terminal X2 connected that A.C. contactor KM3 assists normally opened contact enters end, auxiliary reclay KA1 normally opened contact go out end, auxiliary reclay KA2 normally opened contact go out end, the end that goes out that A.C. contactor KM3 assists normally opened contact is connected in parallel with COM terminal, GND connecting terminals is connected to switch power negative terminal, what the Out let Y0 of remote control terminal connected remote manual auxiliary reclay KA3 coil enters end, what Out let Y1 connected remote auto auxiliary reclay KA4 coil enters end, what Out let Y2 connection startup auxiliary reclay KA45 enclosed enters end, Out let Y3 connect stop auxiliary reclay KA6 coil enter end, remote manual auxiliary reclay KA3 coil go out end, remote auto auxiliary reclay KA4 coil go out end, what start auxiliary reclay KA45 circle goes out end, the end that of auxiliary reclay KA6 coil is stopped to be connected in parallel with+24V terminal, COM terminal connects GND terminal.Another road connection control of emergency stop button outlet terminal have electric tutorial light LA5 enter end, control the outlet terminal going out to hold connecting breaker QF2 having electric tutorial light LA5, what the normally-closed contact of A.C. contactor KM3 entered to hold connection control to have an electric tutorial light enters end, the normally-closed contact of A.C. contactor KM3 goes out end and connects and stop that tutorial light LA4's enter end, stop tutorial light LA4 go out to hold connection control to have electric tutorial light LA5's go out end, the normally-closed contact of automatic auxiliary reclay KA2 enters to hold the normally-closed contact of connection A.C. contactor KM3 to enter end, what the normally-closed contact of automatic auxiliary reclay KA2 went out that end connects automatic pilot lamp LA3 enters end, the end that goes out of automatic pilot lamp LA3 connects and stops that tutorial light LA4's go out end.The normally-closed contact that the inlet side of microcomputer time-controlled switch connects automatic auxiliary reclay KA2 goes out end, goes out the common port that end is connected to pressure gauge with electric contact, and what T end connected run indicator LA2 goes out end.What the common port of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact going out end connection auxiliary reclay KA8 of the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact of auxiliary reclay KA8 goes out to hold the normally-closed contact of connection thermorelay FR to enter end, what the normally-closed contact of thermorelay FR went out that end connects A.C. contactor KM3 coil enters end, A.C. contactor KM3 coil go out that end connects auxiliary reclay KA8 coil go out end, run indicator LA2 enter that end connects A.C. contactor KM3 coil enter end, run indicator LA2 go out that end connects A.C. contactor KM3 coil go out end, what the lower bound terminal of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 goes out end, what the high limit terminal of pressure gauge with electric contact connected auxiliary reclay KA8 coil enters end, auxiliary reclay KA8 coil go out that end connects automatic pilot lamp LA3 go out end.The normally-closed contact of manual auxiliary reclay KA1 enters to hold the normally-closed contact of the automatic auxiliary reclay KA2 of connection to enter end, what the normally opened contact of manual auxiliary reclay KA1 went out that end connects manual tutorial light LA1 enters end, the end connection automatic pilot lamp LA2 that goes out of manual tutorial light LA1 goes out end, the normally opened contact of auxiliary reclay KA7 enter that end connects microcomputer time-controlled switch go out end, the normally-closed contact going out the manual auxiliary reclay KA1 of end connection of the normally opened contact of auxiliary reclay KA7 goes out end, the normally-closed contact that start button SB1 normally opened contact enters the manual auxiliary reclay KA1 of end connection goes out end, what start button SB1 normally opened contact went out that end connects stop button SB2 normally-closed contact enters end, the end connection that goes out of stop button SB2 normally-closed contact stops the normally-closed contact of auxiliary reclay KA6 to enter end, stopping the normally-closed contact of auxiliary reclay KA6 to go out, end connects auxiliary reclay KA7 coil enters end, auxiliary reclay KA7 coil go out end connect manual tutorial light LA1 go out end, starting auxiliary reclay KA5 normally opened contact enters to hold connection start button SB1 normally opened contact to enter end, starting auxiliary reclay KA5 normally opened contact goes out to hold connection start button SB1 normally opened contact to go out end, auxiliary reclay KA7 normally opened contact enters end connection auxiliary reclay KA5 normally opened contact and enters end, auxiliary reclay KA7 normally opened contact goes out end connection auxiliary reclay KA5 normally opened contact and goes out end.
Remote control terminal theory diagram as shown in Figure 4, according to function different demarcation five modules, be USB port module, input contact modules (comprising input end X0, X1 and X2), SCM system module, cellular communications network module and output contact module (comprising output terminal Y0, Y1, Y2 and Y3) respectively.Input contact modules is used for realization and downloads, SCM system module can receive control mode instruction (manual/auto) that cellphone subscriber sends, Electric Machine Control instruction (start/stop) and query statement (control mode/motor status), by input terminal open and-shut mode, judge corresponding control mode and motor operating state, and send corresponding information to user in time by cellular communications network module, meanwhile, output contact module performs control command.
The program circuit of remote control terminal is as follows: receive short-message instruction, resolve short-message instruction.First judge whether it is " manually " instruction, if manual command, then Out let Y0 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA3 coil electricity, time delay 1s-3s power-off, and returns; If not manual command, then perform downwards.Judge whether it is " automatically " instruction, if automatic command, then Out let Y1 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA4 coil electricity, time delay 1s-3s power-off, and returns; If not automatic command, then perform downwards.Judge whether it is " startup " instruction, if enabled instruction, then Out let Y2 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA5 coil electricity, time delay 1s-3s power-off, and returns; If not enabled instruction, then perform downwards.Judge whether it is " stopping " instruction, if halt instruction, then Out let Y6 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA6 coil electricity, time delay 1s-3s power-off, and returns; If not halt instruction, then perform downwards.Judge whether it is " inquiry control mode " instruction, if inquiry control mode, then send corresponding current control mode to cellphone subscriber; If not inquiry control mode, then perform downwards.Judge whether it is " inquiry motor status " instruction, if inquiry motor status, then send corresponding current motor state to cellphone subscriber; If not inquiry motor status, then perform downwards.Judge whether input terminal X0 has closed action, if X0 closed action occurs, then send " current is manual mode " to cellphone subscriber; If X0 closed action does not occur, then program down performs.Judge whether input terminal X1 has closed action, if X1 closed action occurs, then send " current is automatic mode " to cellphone subscriber; If X1 closed action does not occur, then program down performs.Judge whether input terminal X2 has closed action, if X2 closed action occurs, then send " motor runs " to cellphone subscriber; If X2 closed action does not occur, then program down performs.Judge whether input terminal X2 has disconnection action, occur if X2 disconnects action, then send " motor stops " to cellphone subscriber; If X2 disconnects action and do not occur, then program performs and returns, and carries out circulation and performs.
These are only specific embodiments of the invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a pressure of supply water tank remote control, is characterized in that:
Pressurized tank is arranged between distribution pump and pipe network, and pressurized tank entrance configuration safety check, prevents aqueous reflux, pressurized tank outlet configuration gate valve; Pressurized tank top connects pressure gauge with electric contact by pipeline, and the hydraulic pressure on the one hand in indicated pressure tank, is sent to pressurized tank control gear by the switching signal of upper pressure limit and lower limit on the other hand; Submersible pump is placed in water supply well, for pressurized tank and pipe network water supply, submersible pump provides power by threephase asynchronous, threephase asynchronous is driven by starting drive, starting drive controls the start and stop of water pump by pressurized tank control gear, and the operating state signal of starting drive passes to pressurized tank control gear simultaneously; Pressurized tank control gear receives the short-message instruction of mobile phone control end by GSM network, receive the auxiliary normally opened contact information of on-the-spot button commands, upper pressure limit and lower limit information, A.C. contactor simultaneously, and export control command control starting drive, simultaneously, working method and running state information are shown by tutorial light, and sends to mobile phone control end by GSM network;
Pressurized tank control gear divides seven modules according to difference in functionality, is power module, circuit breaker, remote control terminal, button and tutorial light, time switch, relay logical control and terminal block respectively;
Main circuit three live wires L1, L2, L3 of pressurized tank control gear respectively connecting breaker QF1 enter end, circuit breaker Q F1 go out that end connects isolating switch QS enter end, isolating switch QS go out that end connects fus FU1 enter end, fus FU1 go out that end connects A.C. contactor KM3 main contact enter end, KM3 main contact go out that end connects thermorelay FR main contact enter end, thermorelay FR main contact go out the three-phase terminal that end connects asynchronous motor, a live wire L1 and zero line N is introduced control loop, first there is electric tutorial light LA6 in parallel with power supply, live wire L1 and zero line N connecting breaker QF2 enters to hold, what the live wire of circuit breaker Q F2 went out to hold connection control main switch enters end, control main switch go out end connect emergency stop button enter end, the fire line terminal of the Chu Duan mono-road connecting valve power supply of emergency stop button, the zero terminal of the zero line Chu Duan mono-road connecting valve power supply of circuit breaker Q F2, what the positive terminal of switch power connected fus FU2 enters end, fus FU2 goes out Duan Fen tri-tunnel: the first via enters to hold with automatic button SB3 and is connected, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 enters end and auxiliary reclay KA2 enters end and enters end with automatic button SB3 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote auto auxiliary reclay KA4 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect hand push button SB4 normally-closed contact again enters end, hand push button SB4 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA1 enter end, the normally-closed contact of auxiliary reclay KA1 go out that end connects remote manual auxiliary reclay KA3 normally-closed contact enter end, remote manual auxiliary reclay KA3 normally-closed contact go out that end connects auxiliary reclay KA2 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA2 coil, second tunnel enters to hold with hand push button SB4 and is connected, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 enters end and auxiliary reclay KA1 enters end and enters end with hand push button SB4 normally opened contact and be connected in parallel, the normally opened contact that the normally opened contact of remote manual auxiliary reclay KA3 goes out end and auxiliary reclay KA2 goes out end and goes out end with automatic button SB3 normally opened contact and be connected in parallel, what connect automatic button SB3 normally-closed contact again enters end, automatic button SB3 normally-closed contact go out that end connects the normally-closed contact of auxiliary reclay KA2 enter end, the normally-closed contact of auxiliary reclay KA2 go out that end connects remote auto auxiliary reclay KA4 normally-closed contact enter end, remote auto auxiliary reclay KA4 normally-closed contact go out that end connects auxiliary reclay KA1 coil enter end, the negative pole going out to hold connecting valve power supply of auxiliary reclay KA1 coil, 3rd tunnel connects the+24V terminal of remote control terminal, what the input terminal X0 of remote control terminal connected auxiliary reclay KA1 normally opened contact enters end, what input terminal X1 connected auxiliary reclay KA2 normally opened contact enters end, what input terminal X2 connected that A.C. contactor KM3 assists normally opened contact enters end, auxiliary reclay KA1 normally opened contact go out end, auxiliary reclay KA2 normally opened contact go out end, the end that goes out that A.C. contactor KM3 assists normally opened contact is connected in parallel with COM terminal, GND connecting terminals is connected to switch power negative terminal, what the Out let Y0 of remote control terminal connected remote manual auxiliary reclay KA3 coil enters end, what Out let Y1 connected remote auto auxiliary reclay KA4 coil enters end, what Out let Y2 connection startup auxiliary reclay KA45 enclosed enters end, Out let Y3 connect stop auxiliary reclay KA6 coil enter end, remote manual auxiliary reclay KA3 coil go out end, remote auto auxiliary reclay KA4 coil go out end, what start auxiliary reclay KA45 circle goes out end, the end that of auxiliary reclay KA6 coil is stopped to be connected in parallel with+24V terminal, COM terminal connects GND terminal, another road connection control of emergency stop button outlet terminal have electric tutorial light LA5 enter end, control the outlet terminal going out to hold connecting breaker QF2 having electric tutorial light LA5, what the normally-closed contact of A.C. contactor KM3 entered to hold connection control to have an electric tutorial light enters end, the normally-closed contact of A.C. contactor KM3 goes out end and connects and stop that tutorial light LA4's enter end, stop tutorial light LA4 go out to hold connection control to have electric tutorial light LA5's go out end, the normally-closed contact of automatic auxiliary reclay KA2 enters to hold the normally-closed contact of connection A.C. contactor KM3 to enter end, what the normally-closed contact of automatic auxiliary reclay KA2 went out that end connects automatic pilot lamp LA3 enters end, the end that goes out of automatic pilot lamp LA3 connects and stops that tutorial light LA4's go out end, the normally-closed contact that the live wire inlet side of microcomputer time-controlled switch connects automatic auxiliary reclay KA2 goes out end, and live wire goes out the common port that end is connected to pressure gauge with electric contact, zero line inlet side T1 and zero line go out to hold T2 be connected run indicator LA2 go out to hold, what the common port of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact going out end connection auxiliary reclay KA8 of the auxiliary normally opened contact of A.C. contactor KM3 enters end, the normally-closed contact of auxiliary reclay KA8 goes out to hold the normally-closed contact of connection thermorelay FR to enter end, what the normally-closed contact of thermorelay FR went out that end connects A.C. contactor KM3 coil enters end, A.C. contactor KM3 coil go out that end connects auxiliary reclay KA8 coil go out end, run indicator LA2 enter that end connects A.C. contactor KM3 coil enter end, run indicator LA2 go out that end connects A.C. contactor KM3 coil go out end, what the lower bound terminal of pressure gauge with electric contact connected the auxiliary normally opened contact of A.C. contactor KM3 goes out end, what the high limit terminal of pressure gauge with electric contact connected auxiliary reclay KA8 coil enters end, auxiliary reclay KA8 coil go out that end connects automatic pilot lamp LA3 go out end, the normally-closed contact of manual auxiliary reclay KA1 enters to hold the normally-closed contact of the automatic auxiliary reclay KA2 of connection to enter end, what the normally opened contact of manual auxiliary reclay KA1 went out that end connects manual tutorial light LA1 enters end, the end connection automatic pilot lamp LA2 that goes out of manual tutorial light LA1 goes out end, the normally opened contact of auxiliary reclay KA7 enter that end connects microcomputer time-controlled switch go out end, the normally-closed contact going out the manual auxiliary reclay KA1 of end connection of the normally opened contact of auxiliary reclay KA7 goes out end, the normally-closed contact that start button SB1 normally opened contact enters the manual auxiliary reclay KA1 of end connection goes out end, what start button SB1 normally opened contact went out that end connects stop button SB2 normally-closed contact enters end, the end connection that goes out of stop button SB2 normally-closed contact stops the normally-closed contact of auxiliary reclay KA6 to enter end, stopping the normally-closed contact of auxiliary reclay KA6 to go out, end connects auxiliary reclay KA7 coil enters end, auxiliary reclay KA7 coil go out end connect manual tutorial light LA1 go out end, start auxiliary reclay KA5 normally opened contact, auxiliary reclay KA7 normally opened contact is in parallel with start button SB1 normally opened contact,
Described remote control terminal, according to function different demarcation five modules, is USB port module, input contact modules, SCM system, cellular communications network and output contact module respectively; This system can receive manual/auto control mode instruction that cellphone subscriber sends, the instruction of start/stop Electric Machine Control and control mode/motor status query statement, by input terminal open and-shut mode, judge corresponding control mode and motor operating state, and send corresponding information to user in time.
2. pressure of supply water tank remote control according to claim 1, is characterized in that: described starting drive is soft initiator, frequency variator or A.C. contactor.
3. a pressure of supply water tank long-range control method, its step is as follows:
1) receive short-message instruction by SCM system, short-message instruction is resolved; First judge whether it is " manually " instruction, if manual command, then Out let Y0 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA3 coil electricity, time delay 1s-3s power-off, and returns; If not manual command, then perform downwards;
2) judge whether it is " automatically " instruction, if automatic command, then Out let Y1 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA4 coil electricity, time delay 1s-3s power-off, and returns; If not automatic command, then perform downwards;
3) judge whether it is " startup " instruction, if enabled instruction, then Out let Y2 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA5 coil electricity, time delay 1s-3s power-off, and returns; If not enabled instruction, then perform downwards;
4) judge whether it is " stopping " instruction, if halt instruction, then Out let Y6 closes, and time delay 1s-3s disconnects, simultaneously auxiliary reclay KA6 coil electricity, time delay 1s-3s power-off, and returns; If not halt instruction, then perform downwards;
5) judge whether it is " inquiry control mode " instruction, if inquiry control mode, then send corresponding current control mode to cellphone subscriber; If not inquiry control mode, then perform downwards;
6) judge whether it is " inquiry motor status " instruction, if inquiry motor status, then send corresponding current motor state to cellphone subscriber; If not inquiry motor status, then perform downwards;
7) judge whether input terminal X0 has closed action, if X0 closed action occurs, then send " current is manual mode " to cellphone subscriber; If X0 closed action does not occur, then program down performs;
8) judge whether input terminal X1 has closed action, if X1 closed action occurs, then send " current is automatic mode " to cellphone subscriber; If X1 closed action does not occur, then program down performs;
9) judge whether input terminal X2 has closed action, if X2 closed action occurs, then send " motor runs " to cellphone subscriber; If X2 closed action does not occur, then program down performs; Judge whether input terminal X2 has disconnection action, occur if X2 disconnects action, then send " motor stops " to cellphone subscriber; If X2 disconnects action and do not occur, then program performs and returns, and carries out circulation and performs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926308.3A CN105545763B (en) | 2015-12-13 | 2015-12-13 | Pressure of supply water tank remote control and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926308.3A CN105545763B (en) | 2015-12-13 | 2015-12-13 | Pressure of supply water tank remote control and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105545763A true CN105545763A (en) | 2016-05-04 |
| CN105545763B CN105545763B (en) | 2017-07-04 |
Family
ID=55825208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926308.3A Active CN105545763B (en) | 2015-12-13 | 2015-12-13 | Pressure of supply water tank remote control and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545763B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461343A (en) * | 2017-08-21 | 2017-12-12 | 渤海大学 | Centrifugal water pump system monitoring device and method based on vacuum water diversion |
| CN109076833A (en) * | 2018-09-17 | 2018-12-25 | 宁夏农林科学院荒漠化治理研究所（宁夏防沙治沙与水土保持重点实验室） | Intelligent automatic intermittent sectional is sprayed seedling equipment |
| CN111852834A (en) * | 2020-07-31 | 2020-10-30 | 上海广联环境岩土工程股份有限公司 | Water pump management and control method for foundation pit dewatering system |
| CN112288106A (en) * | 2020-11-03 | 2021-01-29 | 江苏威迩恒机电科技有限公司 | Automatic pressure control system of bag type pressure tank |
| CN113311798A (en) * | 2021-06-08 | 2021-08-27 | 深圳市倍通控制技术有限公司 | Remote control circuit based on DCS/PLC and control method thereof |
| CN113666482A (en) * | 2021-09-09 | 2021-11-19 | 海南天鸿市政设计股份有限公司 | Control mode of tubular sewage treatment equipment |
| CN113741332A (en) * | 2021-09-09 | 2021-12-03 | 海南天鸿市政设计股份有限公司 | Control mode of vertical sewage treatment equipment |
| CN115079559A (en) * | 2022-07-07 | 2022-09-20 | 核工业理化工程研究院 | Remote switching control system and method for water chiller |
| CN117970835A (en) * | 2024-01-31 | 2024-05-03 | 上海时链节能科技有限公司 | Local remote high-efficiency switching control device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055512U (en) * | 1989-08-12 | 1990-04-04 | 安世亮 | Water supply self-controller for pressure tank |
| CN201426106Y (en) * | 2009-05-14 | 2010-03-17 | 宝山钢铁股份有限公司 | Starting and running control device for electromotor |
| CA2754290A1 (en) * | 2011-06-05 | 2012-12-05 | Luraco Technologies, Inc. | Advanced frequency variable pump speed controller and method of operating |
| CN104074239A (en) * | 2014-07-02 | 2014-10-01 | 合肥迈特机械科技有限公司 | Full-automatic variable-frequency constant-pressure water supply system and control method thereof |
| CN203909550U (en) * | 2014-05-27 | 2014-10-29 | 中国轻工业南宁设计工程有限公司 | Automatic inspection PLC control device used for pumping station |
| CN104542196A (en) * | 2014-12-22 | 2015-04-29 | 西北农林科技大学 | Intelligent operating system of channel-feeding type sprinkler irrigation device |
| FR3015587A1 (en) * | 2013-12-24 | 2015-06-26 | Wilo Salmson France | ELECTRONIC CONTROL FOR A CIRCULATION PUMP, CIRCULATION PUMP AND CORRESPONDING METHOD |
-
2015
- 2015-12-13 CN CN201510926308.3A patent/CN105545763B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055512U (en) * | 1989-08-12 | 1990-04-04 | 安世亮 | Water supply self-controller for pressure tank |
| CN201426106Y (en) * | 2009-05-14 | 2010-03-17 | 宝山钢铁股份有限公司 | Starting and running control device for electromotor |
| CA2754290A1 (en) * | 2011-06-05 | 2012-12-05 | Luraco Technologies, Inc. | Advanced frequency variable pump speed controller and method of operating |
| FR3015587A1 (en) * | 2013-12-24 | 2015-06-26 | Wilo Salmson France | ELECTRONIC CONTROL FOR A CIRCULATION PUMP, CIRCULATION PUMP AND CORRESPONDING METHOD |
| CN203909550U (en) * | 2014-05-27 | 2014-10-29 | 中国轻工业南宁设计工程有限公司 | Automatic inspection PLC control device used for pumping station |
| CN104074239A (en) * | 2014-07-02 | 2014-10-01 | 合肥迈特机械科技有限公司 | Full-automatic variable-frequency constant-pressure water supply system and control method thereof |
| CN104542196A (en) * | 2014-12-22 | 2015-04-29 | 西北农林科技大学 | Intelligent operating system of channel-feeding type sprinkler irrigation device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461343A (en) * | 2017-08-21 | 2017-12-12 | 渤海大学 | Centrifugal water pump system monitoring device and method based on vacuum water diversion |
| CN107461343B (en) * | 2017-08-21 | 2019-08-13 | 渤海大学 | Centrifugal water pump system monitoring device and method based on vacuum water diversion |
| CN109076833A (en) * | 2018-09-17 | 2018-12-25 | 宁夏农林科学院荒漠化治理研究所（宁夏防沙治沙与水土保持重点实验室） | Intelligent automatic intermittent sectional is sprayed seedling equipment |
| CN111852834A (en) * | 2020-07-31 | 2020-10-30 | 上海广联环境岩土工程股份有限公司 | Water pump management and control method for foundation pit dewatering system |
| CN112288106A (en) * | 2020-11-03 | 2021-01-29 | 江苏威迩恒机电科技有限公司 | Automatic pressure control system of bag type pressure tank |
| CN113311798A (en) * | 2021-06-08 | 2021-08-27 | 深圳市倍通控制技术有限公司 | Remote control circuit based on DCS/PLC and control method thereof |
| CN113666482A (en) * | 2021-09-09 | 2021-11-19 | 海南天鸿市政设计股份有限公司 | Control mode of tubular sewage treatment equipment |
| CN113741332A (en) * | 2021-09-09 | 2021-12-03 | 海南天鸿市政设计股份有限公司 | Control mode of vertical sewage treatment equipment |
| CN115079559A (en) * | 2022-07-07 | 2022-09-20 | 核工业理化工程研究院 | Remote switching control system and method for water chiller |
| CN117970835A (en) * | 2024-01-31 | 2024-05-03 | 上海时链节能科技有限公司 | Local remote high-efficiency switching control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105545763B (en) | 2017-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105545763A (en) | Remote control device and control method for water supply pressure tank | |
| CN203405698U (en) | Fixed winch type hoist intelligent control system | |
| CN102635543A (en) | Non-disturbance switching water pump control method | |
| CN105507378A (en) | Frequency-conversion-type automatic constant-pressure water supplying system and method | |
| CN205636918U (en) | Multicomputer constant pressure water supply frequency conversion control system based on PLC | |
| CN204941881U (en) | A kind of constant pressure water supply automatical control system | |
| CN203301225U (en) | Control device based on security-section interlocking self-switchover of gas-steam combined unit | |
| CN205475474U (en) | Automatic water supply control system of inverter type constant voltage | |
| CN204961264U (en) | Automatic novel intelligence control system that sails upstream of water pump | |
| CN201937525U (en) | Communication preset batch starting/stopping control device of motor | |
| CN204875936U (en) | Water supply system provides for oneself from opening emergency apparatus control system | |
| CN204326159U (en) | A kind of for providing the energy-saving water supply system of stationary flow and pressure | |
| CN202018591U (en) | Terminal controller for electricity using safety early warning system | |
| CN110593355A (en) | Water supply energy consumption reduction method based on pressure control model and PLC | |
| CN112671929B (en) | Time-sharing multiplexing method for communication interfaces of old secondary water supply equipment | |
| CN202535587U (en) | Intelligent light control system used for underground garage lighting | |
| CN204941885U (en) | Emulsion power pack automation control system | |
| CN209250922U (en) | A kind of tower crane remote lighting control system | |
| CN208569347U (en) | A kind of control cabinet on-off control system | |
| CN204068769U (en) | A kind of control loop no-harass switch device of low voltage motor | |
| CN201219213Y (en) | Remote power supply switching mechanism of monitor terminal | |
| CN207453006U (en) | A kind of Intelligent constant-voltage water system | |
| CN212867867U (en) | Remote control system for oil pump of speed regulator of water turbine | |
| CN109152187A (en) | A kind of intelligent lighting system | |
| CN104633234A (en) | Electromagnetic exchange valve with automatic time counting function and working method of electromagnetic exchange valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |