CN2912185Y

CN2912185Y - Illumination power saving device

Info

Publication number: CN2912185Y
Application number: CNU2006200260813U
Authority: CN
Inventors: 李文萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-19
Filing date: 2006-05-19
Publication date: 2007-06-13
Anticipated expiration: 2016-05-19

Abstract

The utility model provides an electricity saving lighting device, which comprises a box body; a lamp circuit for lighting in the box body, the circuit comprises a three-phase auto transformer TB1; a bypass switch circuit; a manual control circuit; an automatic control circuit; the nine taps of the three-phase auto transformer TB1 are connected on the contact apparatus adjusting the output voltage, the input terminal is connected with the contact apparatus KM2 and the AC power supply, and the output terminal is connected with the contact apparatus KM3 and the lighting lamp; the by-pass switch circuit and the manual control circuit are connected between the input terminal of the contact apparatus KM2 and the lighting lamp; the automatic circuit comprises an inspection module CT and a programmable controller (PLC) comprises a CPU and an analog quantity module, and the automatic control circuit is connected with an intermediate relay controlling the actuation of the three-phase auto transformer and the by-pass switch circuit. The beneficial effect of the utility model is that an end adjustment is adopted, and the output voltage has no break during shifting, thereby ensuring that the lamp has no flash and break. The utility model can perform a real-time detection to the grid voltage, and adjust the voltage output according to the input voltage and lighting time periods, over 20% of the electricity can be savd.

Description

A kind of energy saving set for illumination

Technical field

The utility model relates to for the electric consumption on lighting electricity saver, particularly be for a kind of energy saving set for illumination of street lighting.

Background technology

At present, when using all kinds of light fixtures to throw light on, directly light fixture is connected on the line related by control switch usually.Different time sections electric loading difference, supply power voltage allow to change in rated value-10% to+15%.According to the requirement of lighting management work, the illumination of lighting in different time sections, requires light that different brightness are arranged, and is stronger than 24 later the dead of nights' brightness as the brightness from 18 o'clock to 24 o'clock to lighting.But, the lighting electric power system all adopts the step-down transformer power supply of fixed proportion at present, be not that output voltage is adjusted in needed brightness according to the actual illumination light fixture, because lighting often is in the nominal supply voltages state, can not realize real-time regulated, not only make the useful life that has shortened light fixture, also cause waste of electric energy simultaneously.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned technology, providing a kind of is satisfying under the normal illumination prerequisite, according to the different demands of the operating characteristic of different lamps and different time sections the output voltage of light fixture is carried out real-time regulated, realize improving lamp life, energy-saving and cost-reducing energy saving set for illumination.

The technical scheme that solves the problems of the technologies described above is: a kind of energy saving set for illumination, and this device mainly comprises: the casing that is provided with supervisory instrument, alarm and action button; Be equipped with in the casing by electric component and form the circuit of using for lighting, the input termination AC power of this circuit, its output termination lighting, described circuit also comprises 3-phase autotransformer; The by-pass switch circuit; Manual control circuit; Automatic control circuit; Wherein 9 of 3-phase autotransformer taps are connected on the contactor KM4, the KM5 that adjust its output voltage, the KM6, and its input connects contactor KM2 and AC power successively, and its output connects contactor KM3 and lighting successively; By-pass switch circuit and manual control circuit are connected between the input and lighting of contactor KM2; Automatic control circuit comprises: detection module CT and the Programmable Logic Controller PLC that is made up of the two-way CPU that is connected and analog quantity input module P1-2, P1-3 successively, the isolating transformer TB2 output that the input termination of detection module CT is connected with AC power, the output of detection module CT connect CPU and analog quantity input module P1-2 input respectively.

The beneficial effects of the utility model are:

1. the utility model adopts terminal the adjusting, and output voltage does not interrupt in the switching, guarantees that light does not have to dodge disconnectedly, and actual switch current is the difference of output current and input current, and the contactor capacity of stepping switching is little, and equipment manufacturing cost is low.

2. detection of grid voltage in real time, according to input voltage size and the output of illumination period regulation voltage, power saving rate is greater than 20%.

3. the utility model has by-pass switch, multiple electricapparatus interlocking, and when breaking down, device changes bypass automatically over to, perhaps manually changes simple timing mode over to, guarantees normal power supply, has improved availability and the reliability used.

4. the time table can be set arbitrarily by 365 days, can change easily, got final product independent operating, but remote monitoring again.

5. manual switchover has designed the function that prevents misoperation, and avoiding the people is misoperation.

Description of drawings

Fig. 1 is that the utility model circuit connects block diagram;

Fig. 2 is the utility model 3-phase autotransformer TB1 and by-pass switch circuit connection diagram;

Fig. 3 is the utility model manual control circuit connection layout;

Fig. 4 is the utility model automatic control circuit connection layout.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

The utility model provides a kind of energy saving set for illumination, this device mainly comprises: casing (not shown), cabinet panel are provided with the action buttons such as hand switch SA1 of supervisory instrument, status indicator lamp HB and HR, rotary switch QF2, auto/man transfer switch SA3, bypass cock SA2, the selection of third gear voltage; Alarm HS is arranged in the casing; Cabinet door is provided with trigger switch KD1, the KD2 that prevents at unauthorized situation downward swing door.

Be equipped with in the above-mentioned casing by electric component and form the circuit of using for lighting, the input termination AC power U of this circuit, V, W, its output termination lighting a, b, c, a1, b1, c1.The utility model adopts 3-phase autotransformer TB1 for realizing the real-time regulated of output voltage in the circuit, adjust output voltage by the primary coil number of turn that changes 3-phase autotransformer.

The utility model circuit comprises: 3-phase autotransformer TB1; By-pass switch circuit 20; Manual control circuit 30; Automatic control circuit 10; Wherein 9 of 3-phase autotransformer TB1 taps are connected on the contactor KM4, the KM5 that adjust its output voltage, the KM6, its input meets contactor KM2 and AC power U, V, W successively, and its output meets contactor KM3 and lighting a, b, c, a1, b1, c1 successively; By-pass switch circuit 20 and manual control circuit 30 are connected between the input of contactor KM2 and lighting a, b, c, a1, b1, the c1; Automatic control circuit 10 comprises: detection module CT and the Programmable Logic Controller PLC that is made up of the two-way CPU that is connected and analog quantity input module P1-2, P1-3 successively, the isolating transformer TB2 output that the input termination of detection module CT is connected with AC power (U, V, W), the output of detection module CT connect CPU and analog quantity input module P1-2 input respectively.Automatic control circuit 10 connects auxiliary relay KA3 and KA4, KA5, KA6 and the KA2 of control 3-phase autotransformer TB1, by-pass switch circuit 20 respectively.

Main circuit of the present utility model is: AC power U, V, W connect the upper end of air switch QF1, meet three main contacts KM2-1, KM2-2, the KM2-3 of contactor KM2 between the input 1,2,3 of output QF1-1, the QF1-2 of air switch QF1, QF1-3 and 3-phase autotransformer TB1, be connected three main contacts KM3-1, KM3-2, KM3-3 and the fuse FU1～FU6 of contactor KM3 between the output 4,5,6 of 3-phase autotransformer TB1 and lighting a, b, c, a1, b1, the c1 successively; Voltage suppresses module YA1 and is connected in parallel on respectively between the tapped coil and center line N of TB1.

By-pass switch circuit 20 of the present utility model is contactor KM1, and the two ends of KM1 are connected to the input of contactor KM2 and the output of KM3.

The utility model manual control circuit 30 is: the feeder ear S1, the S2 that meet rotary switch QF2 and timer DT between the fuse FUC of AC power U, V, W and FUB successively; The output L1 of timer DT is through being connected to behind the control coil of auxiliary relay KA2 and contactor KM1 on the AC power center line N; Control switch KA1, contactor KM2 that connection is in series between the S2 of timer DT end and S1 end and the normally-closed contact of contactor KM3.The normally closed back of the auxiliary relay KA1 that between the output FUC of center line N and UC, a connects circuit that is in series by the normally opened contact of the normally-closed contact of contactor KM1 and contactor KM4, contactor KM5 and contactor KM6 and auxiliary relay KA2 in parallel; At the normally closed point of auxiliary relay KA1 series connection KM1 normally closed following circuit in parallel afterwards and between center line N: KM2 and KM3 connect an auxiliary relay KA3 and normally opened contact; The normally-closed contact of contactor KM4 series connection KM5, KM6 and the normally opened contact of auxiliary relay KA4; The normally-closed contact of contactor KM5 series connection KM4, KM6 and the normally opened contact of auxiliary relay KA5; The normally-closed contact of contactor KM6 series connection KM4, KM5 and the normally opened contact of auxiliary relay KA6.

The utility model automatic control circuit 10 is by isolating transformer TB2 power supply, and isolating transformer TB2 imports termination 380V AC power U, V, W, and its output becomes 220V and meets detection module CT.

PLC model in the utility model automatic control circuit 10 is a Siemens S7-200 series, and wherein the model of CPU is CPU224, and analog quantity input module P1-2, P1-3 model are EM231.

The pin 1-pin 3 of detection module CT in the utility model automatic control circuit 10 meets the three-phase output voltage UA of contactor KM3, UB, UC, pin 4 meets power supply center line N, pin 15 ground connection, pin 7, pin 9, pin 11 meets the current transformer T1-1 that is enclosed within air switch QF1 output respectively, T1-2, the former limit IA of T1-3, IB, IC, pin 8, pin 10, pin 12 meets current transformer T1-1 respectively, T1-2, the secondary IAO of T1-3, IBO, ICO, pin 14 and pin 5 meet the output TC11 of isolating transformer TB2, pin 13 and pin 6 meet output TC15 and the TC13 of isolating transformer TB2 respectively, pin 17 meets the A+ of analog quantity input module P1-2 to pin 19, B+, the C+ end, pin 16 and pin 20 meet the A-of analog quantity input module P1-2 and P1-3 respectively, B-, C-, pin 21 meets the A+ of analog quantity input module P1-3 to pin 23, B+, the C+ end, pin 26, pin 27 is connected to L1AC and the N end of the CPU in the Programmable Logic Controller.

Pin Q0.0, the Q0.1 of the utility model CPU, Q0.2, Q0.3, Q0.4 connect auxiliary relay KA2, KA3, KA4, KA5 respectively, be connected to the control coil of contactor KM1, KM2 and KM3, KM4, KM5, KM6 behind the KA6, the pin Q0.7 device HS that receives the report for police service.The pin I0.0 of CPU meets emergency stop switch SE, pin I0.1 meets auto/man transfer switch SA3, pin I0.2 meets bypass cock SA2, pin I0.3, I0.4 and pin I0.5 meet control gear output dip switch SA1 respectively, equipment was in automatic voltage detection adjustment state when pin I0.6 connect high level, equipment was in the test run state when pin I0.7 connect high level, low level enters normal operating conditions, I1.1, I1.2 and I1.3 meet contactor KM4 respectively, the normally-closed contact of KM5 and KM6, I1.4 meets the thermistor θ of induction voltage regulator TB1 upper end, and I1.5 meets the door switch KD1 of two of casings, KD2.

The upper end of the utility model 3-phase autotransformer TB1 is provided with thermistor θ, and this thermistor θ links to each other with CPU pin T1.4 among the PLC, and TB1 quits work when temperature surpasses set point, and KM2 and KM3 disconnect, and KM1 connects, and equipment enters bypass state.

The both sides of described casing are respectively arranged with door, and it is provided with trigger switch KD1, the KD2 that is connected with CPU pin I1.5 among the Programmable Logic Controller PLC, under the unauthorized situation of opening the door, cross 20 seconds autoalarms and open.

YA1 is that voltage suppresses module in the accompanying drawing 2, is connected in parallel on respectively between the tapped coil and center line of TB1, the overvoltage in suppressing to switch, and can prevent that the sudden strain of a muscle in the output voltage adjustment is disconnected.

RS485 is the serial communication port in the accompanying drawing 4.

Below use of the present utility model is described:

Working method of the present utility model is divided into four kinds:

1. normal operation mode: normal operation mode, after the emergency stop switch SE closure that PLC input pin I0.0 connects, automatic run switch SA3 closure, the air switch QF1 closure, when lighting time then, contactor KM2, KM3, KM4 closure, device is powered to light fixture by switching mode fuse FU1～FU6.Time period Programmable Logic Controller PLC control contactor KM4, KM5, KM6 timesharing adhesive according to prior setting, by rated voltage-5% ,-10% ,-15% output, judge the actual act of decision contactor KM4, KM5, KM6 by Programmable Logic Controller PLC by detection module supply power voltage size.Owing to utilize Programmable Logic Controller PLC to have universal communication port RS485, the operating state that this moment can be by all kinds of wired, voltage, current parameters and appliance switches that the wireless device transmitting device collects and the closure of control apparatus switch realize telemanagement with disconnecting.

2. by-pass operation pattern: by-pass operation pattern, when contactor KM2, KM3, KM4, KM5, KM6 adhesion or the excessive temperature of input current occurring when too high, judge through Programmable Logic Controller PLC, control contactor KM2, KM3, KM4, KM5, KM6 coil blackout, closed KM1 contactor of while, make equipment enter the by-pass operation state, guarantee the normal power supply under the non-power saving condition.Because Programmable Logic Controller PLC is operate as normal still, the operating state of voltage, current parameters and appliance switch can be uploaded information by PORT COM RS485.

3. simple supply power mode: if Programmable Logic Controller PLC damages, the site operation personnel can rotate the BF2 switch, by independent timer control KM1 bypass power supply, further guarantees normal illumination.

4. manually move powering mode: if PLC damages, the site operation personnel can rotate auto/man transfer switch SA3, enters manual mode of operation.When auto/man transfer switch SA3 turns under the manual work mode condition, can control on the spot by the hand switch SA1 that bypass cock SA2, third gear voltage are selected under the condition of work that electricity saver is operated in bypass, step-down-5%, step-down-10%, step-down-15%.Because Programmable Logic Controller PLC is operate as normal still, the operating state of voltage, current parameters and appliance switch can be uploaded information by PORT COM RS485.

Claims

1. energy saving set for illumination, this device mainly comprises: the casing that is provided with supervisory instrument, alarm and action button; Be equipped with in the casing by electric component and form the circuit of using for lighting, the input termination AC power of this circuit, its output termination lighting is characterized in that described circuit also comprises 3-phase autotransformer TB1; By-pass switch circuit (20); Manual control circuit (30); Automatic control circuit (10); Wherein 9 of 3-phase autotransformer TB1 taps are connected on the contactor KM4, the KM5 that adjust its output voltage, the KM6, its input connects contactor KM2 and AC power (U, V, W) successively, and its output connects contactor KM3 and lighting (a, b, c, a1, b1, c1) successively; By-pass switch circuit (20) and manual control circuit (30) are connected between the input and lighting (a, b, c, a1, b1, c1) of contactor KM2; Automatic control circuit (10) comprising: detection module CT and the Programmable Logic Controller PLC that is made up of the two-way CPU that is connected and analog quantity input module P1-2, P1-3 successively, the isolating transformer TB2 output that the input termination of detection module CT is connected with AC power (U, V, W), the output of detection module CT connect CPU and analog quantity input module P1-2 input respectively.

2. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that, described AC power (U, V, W) upper end of connection air switch QF1, output (the QF1-1 of air switch QF1, QF1-2, QF1-3) with the input (1 of 3-phase autotransformer TB1,2,3) three main contacts (KM2-1 that connect contactor KM2 between, KM2-2, KM2-3), the output (4 of 3-phase autotransformer TB1,5,6) with lighting (a, b, c, a1, b1, c1) three main contacts (KM3-1 that connect contactor KM3 between successively, KM3-2, KM3-3) and fuse (FU1～FU6); Voltage suppresses module YA1 and is connected in parallel on respectively between the tapped coil and center line N of TB1.

3. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that described by-pass switch circuit (20) is contactor KM1, the two ends of KM1 are connected to the input of contactor KM2 and the output of KM3.

4. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that described manual control circuit (30) is: the feeder ear S1, the S2 that between the fuse FUC of AC power (U, V, W) and FUB, meet rotary switch QF2 and timer DT successively; The output L1 of timer DT is through being connected to behind the control coil of auxiliary relay KA2 and contactor KM1 on the AC power center line N; Control switch KA1, contactor KM2 that connection is in series between the S2 of timer DT end and S1 end and the normally-closed contact of contactor KM3.The normally closed back of the auxiliary relay KA1 that between the output fuse FUC of center line N and UC, a connects circuit that is in series by the normally opened contact of the normally-closed contact of contactor KM1 and contactor KM4, contactor KM5 and contactor KM6 and auxiliary relay KA2 in parallel; At the normally closed point of auxiliary relay KA1 series connection KM1 normally closed following circuit in parallel afterwards and between center line N: KM2 and KM3 connect an auxiliary relay KA3 and normally opened contact; The normally-closed contact of contactor KM4 series connection KM5, KM6 and the normally opened contact of auxiliary relay KA4; The normally-closed contact of contactor KM5 series contactor KM4, KM6 and the normally opened contact of auxiliary relay KA5; The normally-closed contact of contactor KM6 series connection KM4, KM5 and the normally opened contact of auxiliary relay KA6.

5. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that described automatic control circuit (10) is by the isolating transformer TB2 power supply that is connected with AC power (U, V, W); The pin 1-pin 3 of described detection module CT meets the three-phase output voltage UA of contactor KM3, UB, UC, pin 4 meets power supply center line N, pin 15 ground connection, pin 7, pin 9, pin 11 meets the current transformer (T1-1 that is enclosed within air switch QF1 output respectively, T1-2, T1-3) former limit IA, IB, IC, pin 8, pin 10, pin 12 meets current transformer (T1-1 respectively, T1-2, T1-3) secondary IAO, IBO, ICO, pin 14 and pin 5 meet the output TC11 of isolating transformer TB2, pin 13 and pin 6 meet output TC15 and the TC13 of isolating transformer TB2 respectively, pin 17 meets the A+ of analog quantity input module P1-2 to pin 19, B+, the C+ end, pin 16 and pin 20 meet the A-of analog quantity input module P1-2 and P1-3 respectively, B-, C-, pin 21 meets the A+ of analog quantity input module P1-3 to pin 23, B+, the C+ end, pin 26, pin 27 is connected to L1AC and the N end of the CPU in the Programmable Logic Controller.

6. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that, pin Q0.0, the Q0.1 of described CPU, Q0.2, Q0.3, Q0.4 connect auxiliary relay KA2, KA3, KA4, KA5 respectively, be connected to the control coil of contactor KM1, KM2 and KM3, KM4, KM5, KM6 behind the KA6, the pin Q0.7 device HS that receives the report for police service.The pin I0.0 of CPU meets emergency stop switch SE, pin I0.1 meets auto/man transfer switch SA3, pin I0.2 meets bypass cock SA2, pin I0.3, I0.4 and pin I0.5 meet control gear output dip switch SA1 respectively, equipment was in automatic voltage detection adjustment state when pin I0.6 connect high level, equipment was in the test run state when pin I0.7 connect high level, low level enters normal operating conditions, I1.1, I1.2 and I1.3 meet contactor KM4 respectively, the normally-closed contact of KM5 and KM6, I1.4 meets the thermistor θ of induction voltage regulator TB1 upper end, and I1.5 meets the door switch KD1 of two of casings, KD2.

7. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that described upper end at 3-phase autotransformer TB1 is provided with thermistor θ, this thermistor θ links to each other with CPU pin T1.4 among the Programmable Logic Controller PLC.

8. according to a kind of energy saving set for illumination described in the claim 1, it is characterized in that described casing both sides are respectively arranged with door, it is provided with trigger switch KD1, the KD2 that is connected with CPU pin I1.3 among the PLC.