The tunnel ventilation lighting controller
Affiliated technical field:
The utility model relates to a kind of tunnel ventilation lighting controller.
Background technology:
The earliest ventilation blower fan and street lighting adopt direct line powering, explain for artificial deciliter, and its shortcoming is and can not controls automatically and automatic energy saving; With technical development, have the controller that adopts timer or longitude and latitude time-controlling apparatus control street lamp, its shortcoming is not possess the automatic energy saving function; Have and adopt step-down energy-saving controller control street lamp and start blower fan by soft start that crystalline substance is explained the pipe chopping depressuring, its shortcoming is independently to satisfy the requirement of power monitoring in the tunnel ventilation illumination, in recent years mainly rely on data radio station or wire transmission to realize remote monitoring, its shortcoming is that data radio station is subjected to geographical position and weather effect, wire transmission is subjected to distance affects again, and the long-distance transmissions cost is higher.
Summary of the invention:
The purpose of this utility model is to provide a kind of GPRS of utilization wireless transmission, by the tunnel ventilation lighting controller of programmable controller in conjunction with the solid state relay control technology, thereby the wireless remote monitering and the step-down that realize ventilation equipment, street lighting equipment are energy-conservation.
The purpose of this utility model also can be achieved through the following technical solutions, described tunnel ventilation lighting controller, comprise the programmable controller in shell and the shell, its design feature is for also comprising switching input module, the switching value output module, analog quantity input module, solid state relay regulating circuit, the GPRS wireless transport module, external connection current transformer input and external connection standard analog amount input; Described switching input module is made up of diode, switching tube, programmable controller input/output terminal, external signal terminals and signals collecting power end, each external signal terminals inserts the programmable controller input after connecting a diode again, and each signals collecting power end inserts switching value signals collecting power supply terminal after connecting switching tube again; The break-make of utilizing the output of programmable controller to come the control switch pipe; Described switching value output module is made up of high power relay and output signal end, and each output signal end connects a high power relay, and the control end of high power relay inserts the lead-out terminal of programmable controller again; Described analog quantity input module is made up of signaling conversion circuit and analog acquisition circuit, described signaling conversion circuit is made up of two voltage transmitters and a current transducer at least, wherein have its input of a voltage transmitter to insert the voltage input end of solid state relay, output inserts the analog acquisition circuit; Other has a voltage transmitter input to insert the voltage output end of solid state relay, and output inserts the analog acquisition circuit; The input signal of current transducer is the 0-5A or the 0-6A alternating current of current transformer, and current transducer input signal end is connected to external connection current transformer input, and the output signal of current transducer inserts the analog acquisition circuit; External connection standard analog amount input is directly introduced in the analog acquisition circuit; Described solid state relay regulating circuit is made up of solid state relay, synchrotrans and phase shift trigger, and the positive and negative trigger electrode of solid state relay is connected with triggering ground with the trigger electrode of phase shift trigger respectively; The signal input end of phase shift trigger is connected with analog quantity output, other the analog quantity output of programmable controller; The synchronizing voltage input of phase shift trigger is connected with the synchronizing voltage output of synchrotrans; The input collection terminal of synchrotrans links to each other with the three-phase voltage input of solid state relay; The power end of described GPRS wireless transport module is connected with the DC24V output of programmable control, and the communication terminal of GPRS wireless module inserts programmable controller RS485 or TCP/IP communication port.The purpose of this utility model also can be achieved through the following technical solutions, described tunnel ventilation lighting controller, and its characteristics are that switching tube adopts triode or micro photo electric relay.
Product set remote power of the present utility model monitoring and the energy-conservation theory of controllable silicon step-down are at the energy-conservation of road street lamp and this product of control research and development.Adopt the core of high stability PLC as Long-distance Control, PLC can provide RS485 interface or TCP/IP interface, can be attached to Surveillance center with transmission equipment easily and form a real-time monitor network; Adopt solid state relay phase shift triggering and voltage regulating module to realize the flexible control of voltage, can realize that load voltage is from the zero continuous stepless adjustable control that lies prostrate total head.Product of the present utility model is specially adapted in the ventilation, lighting far distance electric power monitoring system in the freeway tunnel, be applicable to urban road, square, station, airport, etc. the lighting system.Product divides two big classes:
1) LM-1 type product is at the illuminator on urban road, square, station, airport, and the street lamp loop quantity that the separate unit product can be controlled is less relatively; Can satisfy the requirement of city illumination system.
2) LM-2 type product is at highway and tunnel illumination system, and the street lamp loop quantity that the separate unit product can be controlled is more relatively, can satisfy the requirement of freeway tunnel for distribution monitor.
The main feature of the utility model product has:
1) the German SIEMENS core control technology of stability, high reliability;
2) power saving rate is stepless adjustable, and power savings is remarkable, and to the light fixture of inductance rectifier formula, power saving rate can reach 20-35%, small investment, and repayment is fast;
3) step-less adjustment output voltage is steadily exported three-phase voltage, and gentle the closing of illumination change do not glimmered;
4) save maintenance cost and maintenance workload more than 2 times the useful life that can prolong light fixture;
5) can gather outdoor illuminance signal, cross when hanging down when illumination and remind operating personnel to turn on light in advance;
6) can gather the Weather information of weather forecast every day department, and comprehensive outdoor illuminance situation, clock switch control situation, realizes real hommization, intelligent control;
7) monitor the bright lamp situation in each loop automatically, when light fixture breaks down, can in time on Surveillance center's electronic chart, show abort situation, maintain easily;
8) every controller can reach 33 tunnel analog signals collection at most, and not having any controller for road lamp at present can reach.Gather the CT output current value that 24 low pressure go out line loop, gather primary voltage, 3 outlet magnitudes of voltage of 3 low-voltage bus bars, 3 programmable analog quantity input signals;
9) every controller can reach 54 tunnel switching value input and output control at most, and not having any controller for road lamp at present can reach.Can gather 42 tunnel programmable switching value input signals and 12 switching value output signals of control;
10) the LM-1 type equipment SIM card of can directly packing into adopts the GPRS wireless-transmission network to connect Surveillance center; (being applicable to the city street lamp monitoring)
11) LM-2 type equipment can provide RS485 communication interface or TCP/IP Ethernet interface to connect with Surveillance center; (being applicable to freeway surveillance and control)
12) this controller can be formed an illumination monitoring system easily, and supervisory control system is divided into secondary structure: monitoring and scheduling central computer, N platform LM terminal control unit.
13) the illumination monitoring system maximum of this controller composition is supported 2048 LM terminal control units, can satisfy the monitoring demand of any city or any highway.
Description of drawings:
Below in conjunction with drawings and Examples structure of the present utility model and operation principle and the course of work are elaborated:
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is a switching input module schematic diagram of the present utility model.
Fig. 3 is solid state relay regulating circuit figure of the present utility model.
Embodiment:
As shown in Figure 1, the utility model comprises the programmable controller in shell and the shell, design feature is for also comprising switching input module, the switching value output module, the analog quantity input module, solid state relay regulating circuit, GPRS wireless transport module, and external connection current transformer input and external connection standard analog amount input, programmable controller and GPRS wireless transport module are commercially available module; Concrete parts are as follows:
1, programmable controller, it has strong functions, contains switching value input Acquisition Circuit, switching value output control circuit and simulated measurement input circuit, analogue quantity output circuit.
Collectable input variable: 1., passive contact signal;
2., AC120/230V signal;
3., DC24V signal;
4., 0 → 20mA or 0 → 10V standard analog amount signal
Controllable output variable: 1., the work of the passive contact of control
2., control 0 → 20mA or 0 → 10V standard analog amount signal output
CPU of the present utility model has RS485 or TCP/IP communication function.Program in the programmable controller is
The technology that those skilled in the art all can realize.
2, switching input module: form by diode, switching tube, programmable controller input/output terminal, external signal terminals, signals collecting power end, switching tube can adopt triode or micro photo electric relay, each external signal terminals inserts the programmable controller input after connecting a diode again, and each signals collecting power end enters switching value signals collecting power supply terminal after connecting switching tube again; The break-make of utilizing the output of programmable controller to come the control switch pipe, concrete operation principle be as shown in Figure 2:
Utilize the application that cooperatively interacts of the imput output circuit of programmable controller, make a switching value input port of programmable controller can gather plural switching value status input signal.
The principle example is stated: utilize an acquisition port P7 of the switching value input Acquisition Circuit of programmable controller to gather the state of two switching value P3, P4.When programmable controller controls switching tube P1 conducting, and switching tube P2 is when closing, an acquisition port P7 reflection of switching value input Acquisition Circuit be exactly the state of switching value P3, by the programmable controller internal processes this state value is moved on to corresponding bank bit; When programmable controller controls switching tube P2 conducting, and switching tube P1 is when closing, what an acquisition port P7 of switching value input Acquisition Circuit reflected is exactly the state of switching value P4, by the programmable controller internal processes this state value is moved on on corresponding another bank bit.Diode D5, another diode D6 play blocking voltage in this process, prevent that the mutual string of voltage from causing interference, thereby cause switching value state acquisition mistake.
3, switching value output module: form by high power relay and output signal end, the technology that can realize for those skilled in the art, each output signal end connects a high power relay, the control end of high power relay inserts the lead-out terminal of programmable controller again, and effect is: make the little current controling signal of programmable controller output can control the big current signal that inserts on the high power relay.
4, analog quantity input module: form by signaling conversion circuit and analog acquisition circuit, the technology that can realize for those skilled in the art, at least two voltage transmitters of signaling conversion circuit and a current transducer constitute, its input of described one of them voltage transmitter inserts the voltage input end of solid state relay, and output inserts the analog acquisition circuit; Another voltage transmitter input inserts the voltage output end of solid state relay, and output inserts the analog acquisition circuit; The input signal of current transducer is the 0-5A or the 0-6A alternating current of current transformer, the external connection current transformer input that transmitter input signal end is connected to the utility model equipment connects with shell of the present utility model, earth point, and the output signal of current transducer inserts the analog acquisition circuit.All voltage transmitters and current transducer power supply are taken from the DC24V output of programmable controller by the DC24V power voltage supply.The utility model equipment can be gathered three road 0-20mA or 0-10V standard signal, is directly introduced in the analog acquisition circuit by the external connection standard analog amount input of the utility model equipment.
5, the solid state relay regulating circuit as shown in Figure 3: be made up of solid state relay P10, synchrotrans P8 and phase shift trigger P9, the positive and negative trigger electrode of each solid state relay P10 is connected with triggering ground COM with trigger electrode CON1, the CON1CON3 of phase shift trigger P9 respectively; The signal input end of phase shift trigger P9 is connected with programmable controller analog quantity two outputs; The synchronizing voltage input of phase shift trigger P9 is connected with the synchronizing voltage output of synchrotrans P8; The input collection terminal R of synchrotrans P8, S, T, N link to each other with three-phase voltage input L1, L2, L3, the N of solid state relay P10 respectively.Interface t2, the t1 of phase shift trigger P9, s2, s1, r2, r1 link to each other with interface t2, t1, s2, s1, r2, the r1 of synchrotrans P8.The CON end of phase shift trigger P9 is the current input terminal of 0-20mA.The three-phase voltage output U of solid state relay P10, V, W, N.
6, GPRS wireless transport module: the power end of GPRS wireless module is connected with the DC24V output of programmable control, and the communication terminal of GPRS wireless module inserts programmable controller RS485 or TCP/IP communication port.