CN2888793Y

CN2888793Y - Power-saving device for illumination

Info

Publication number: CN2888793Y
Application number: CNU2006200260828U
Authority: CN
Inventors: 李文萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-19
Filing date: 2006-05-19
Publication date: 2007-04-11
Anticipated expiration: 2016-05-19

Abstract

The utility model provides a lighting power saving device, which comprises a motor, a bypass switch circuit, a manual control circuit, an automatic control circuit and a box provided with an illumination lamps circuit which consists of an induction voltage regulator TB1. The input terminal of the induction voltage regulator TB1 is connected to both the AC power and a contactor KM2, while the output terminal of the induction voltage regulator TB1 is connected to both a contactor KM3 and the illumination lamps. The bypass switch circuit and the manual control circuit are connected between the AC power and the illumination lamps. The automatic control circuit comprises a detection module CT and a programmable controller PLC which is composed of a CPU and an analog input module, and the automatic control circuit is connected to the switch intermediate relays between the induction voltage regulatorTB1, the motor and the bypass switch circuit. The utility model has the advantages that: the device can ensure the requirement of the output voltage when the input is lower than the lower limit, constantly detect the voltage of the power network to regulate the output of the voltage according to the input voltage and the lighting period, saving energy up to 20%, and have high reliability and availability using the bypass switch and the multiple electrical and mechanical interlock.

Description

Energy saving set for illumination

Technical field

The utility model relates to for the electric consumption on lighting electricity saver, particularly be electricity saver for the street lighting electricity consumption.

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 induction voltage regulator; Connect the also motor of real-time regulated induction voltage regulator output voltage; The by-pass switch circuit; Manual control circuit; Automatic control circuit; Wherein the input of induction voltage regulator TB1 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 AC power and the lighting; 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 input of detection module CT and CPU connects the isolating transformer TB2 output that is connected with AC power respectively, the output termination analog quantity input module P1-2 input of detection module CT.

The beneficial effects of the utility model are:

(1). the utility model device adopts induction voltage regulator, and it is disconnected to guarantee that light does not have sudden strain of a muscle, regulates meticulousr. according to the Principles of Regulation of induction voltage regulator, when input voltage hangs down to guaranteeing that still output voltage reaches requirement in limited time down.

(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) the utility model has been equipped with the universal communication port by function module design, and is easy to maintenance, is convenient to telemanagement, and troubleshooting time is short.

Description of drawings

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

Fig. 2 is the utility model by-pass switch circuit, manual control circuit connection layout;

Fig. 3 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 action buttons such as supervisory instrument, status indicator lamp HB and HR, rotary switch QF2, auto/man transfer switch SA2, bypass cock SA1, the hand switch SB1 that controls motor M 1 rotating and SB2; 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 induction voltage regulator TB1 for realizing the real-time regulated of output voltage in the circuit, the relative angle that changes induction voltage regulator TB1 rotor by motor M 1 is adjusted output voltage.

The utility model circuit comprises: induction voltage regulator TB1; Connect the also motor M 1 of real-time regulated induction voltage regulator TB1 output voltage; By-pass switch circuit 20; Manual control circuit 30; Automatic control circuit 10.Wherein the input of induction voltage regulator TB1 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 AC power U, V, W 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 input of detection module CT and CPU connects the isolating transformer TB2 output that is connected with AC power U, V, W respectively, the output termination analog quantity input module P1-2 input of detection module CT.Automatic control circuit 10 connects auxiliary relay KA3 and KA4, KA5 and KA6, the KA2 of control induction voltage regulator TB1, motor M 1,20 actions of by-pass switch circuit respectively.

Main circuit of the present utility model is: AC power U, V, W connect input QF1-1, QF1-2, the QF1-3 of air switch QF1, are connected three main contacts KM2-1, KM2-2, the KM2-3 of contactor KM2 between the

input

1,2,3 of the output of air switch QF1 and induction voltage regulator TB1; Three main contacts KM3-1, the KM3-2, KM3-3 and the fuse FU1～FU6 that are connected contactor KM3 between the output 4,5,6 of induction voltage regulator TB1 and lighting a, b, c, a1, b1, the c1 successively.

Described by-pass switch circuit 20 is contactor KM1, and the two ends of described contactor KM1 are connected to the input of contactor KM2 and the output of KM3.

Described manual control circuit 30 is: the output of fuse FU7 meets rotary switch QF2 and timer DT successively on line of the W of AC power U, V, W phase, and feeder ear S1, the S2 of timer DT is connected between AC power W and the center line N; Be connected on the AC power center line N behind the control coil of the output L1 series contactor KM1 of timer DT and the normally-closed contact of KM2, KM3; Auxiliary relay KA1 who is connected on AC power U, V, the W in parallel between the S2 of timer DT end and S1 end.

Described 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 24V, meets detection module CT and Programmable Logic Controller PLC respectively.

Programmable Logic Controller PLC model in the described 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 meets the three-phase output voltage UA of contactor KM3 in the described automatic control circuit 10, 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 to pin 19 meets the pin A+ of analog quantity input module P1-2, pin B+, pin C+, pin 16 and pin 20 meet the pin A-of analog quantity input module P1-2 and P1-3 respectively, pin B-, pin C-, pin 21 to pin 23 meets the pin A+ of analog quantity input module P1-3, pin B+, pin C+, pin 26, pin 27 is connected to L1AC and the N end of CPU among the Programmable Logic Controller PLC.

Pin Q0.0, the Q0.1 of described CPU, Q0.4, Q0.5 connect auxiliary relay KA2, KA3 and KA4, KA5 respectively, are connected to control coil and the motor M1 of contactor KM1, KM2 and KM3 behind the KA6, the pin Q0.6 device HS that receives the report for police service.The pin I0.0 of CPU meets emergency stop switch SE, pin I0.1 and I0.3 meet auto/man transfer switch SA2, pin I0.4 meets bypass cock SA1, pin I0.5 and I0.6 meet the hand switch SB1 and the SB2 of control motor M 1 rotating respectively, pin I0.7 connects the normally-closed contact of the contactor KM1 of by-pass switch circuit 20, I1.0 connects the normally-closed contact of contactor KM2 and KM3, I1.1 and I1.2 meet the range of regulation bound K switch A7 of induction voltage regulator TB1 inside respectively, KA8, I1.3 meets the trigger switch KD1 of two of casings, KD2, equipment enters the test run state during I1.4 high level, low level enters normal operating conditions, and I1.5 meets the thermistor θ of induction voltage regulator TB1 upper end.

Be provided with thermistor θ in the upper end of above-mentioned induction voltage regulator TB1, this thermistor θ links to each other with CPU pin T1.5 among the Programmable Logic Controller PLC, when temperature surpasses set point, induction voltage regulator TB1 quits work, contactor KM2 and KM3 disconnect, and contactor KM1 connects, and equipment enters bypass state.

Described motor M 1 is a threephase asynchronous, is connected to fuse FU7, FU8, FU9, auxiliary relay KA1 and auxiliary relay KA5, KA6 parallel with one another between air switch QF1 output that is connected with AC power U, V, W and motor M 1 successively.

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 I1.3 among the Programmable Logic Controller PLC, under the unauthorized situation of opening the door, cross 20 seconds autoalarms and open.

RS485 in the accompanying drawing 3 is the serial communication port.

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: after the emergency stop switch SE closure that Programmable Logic Controller PLC input pin I0.0 connects, automatic run switch SA closure, the air switch QF1 closure, when lighting time then, contactor KM2, KM3 closure, FU1～FU6 powers to light fixture by the switching mode fuse.Detect the output supply power voltage by detection module CT, different voltages according to corresponding time period of prior setting, the auxiliary relay KA5 or the KA6 closure of Programmable Logic Controller PLC control motor M 1, the minimum voltage of realizing voltage up-down and then control three-phase alternating-current supply is stabilized on the corresponding given voltage it, and promptly this given voltage is in extremely-20% output of rated voltage.Because Programmable Logic Controller PLC has the universal communication port, the closure that can come the control apparatus switch by all kinds of operating states wired, voltage, current parameters and appliance switch that the wireless device transmitting device collects this moment realizes telemanagement with disconnecting.

2, by-pass operation pattern: when contactor KM2, KM3 adhesion or induction voltage regulator TB1 fault and the excessive temperature of input current occurring when too high, judge through Programmable Logic Controller PLC controller, control contactor KM2, KM3 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 PLC damages, the site operation personnel can rotate the rotary switch QF2 on the cabinet panel, by independent timer control contactor KM1 bypass power supply, further guarantees normal illumination.

4, manually move powering mode: if PLC damages, the site operation personnel can rotation manual switch QF2 (hand switch QF2 is arranged on the control panel, not shown), by independent timer control contactor KM1 bypass power supply, further guarantee normal illumination.When operating personnel turn to the manual work mode with auto/man transfer switch SA2, can be operated in bypass or adjustment state by the control button local control device, the auxiliary relay KA5 or the KA6 closure of control motor M 1 in the adjustment state, the minimum voltage of realizing voltage up-down and then control three-phase alternating-current supply is stabilized on the corresponding given voltage it, promptly this given voltage in rated voltage to-20%.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 induction voltage regulator TB1; Connect the also motor (M1) of real-time regulated induction voltage regulator TB1 output voltage; By-pass switch circuit (20); Manual control circuit (30); Automatic control circuit (10); Wherein the input of induction voltage regulator TB1 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 AC power (U, V, W) and the lighting (a, b, c, a1, b1, c1); 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 input of detection module CT and CPU connects the isolating transformer TB2 output that is connected with AC power (U, V, W) respectively, the output termination analog quantity input module P1-2 input of detection module CT.

2. according to the energy saving set for illumination described in the claim 1, it is characterized in that, described AC power (U, V, W) connects the input (QF1-1, QF1-2, QF1-3) of air switch QF1, connects three main contactss (KM2-1, KM2-2, KM2-3) of contactor KM2 between the input of the output of air switch QF1 and induction voltage regulator TB1 (1,2,3); Be connected three main contactss (KM3-1, KM3-2, KM3-3) of contactor KM3 and fuse (FU1～FU6) between the output of induction voltage regulator TB1 (4,5,6) and the lighting (a, b, c, a1, b1, c1) successively.

3. according to the 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 contactor KM1 are connected to the input of contactor KM2 and the output of KM3.

4. according to the energy saving set for illumination described in the claim 1 to 3, it is characterized in that, described manual control circuit (30) is: the output of fuse FU7 meets rotary switch QF2 and timer DT successively on line of the W of AC power (U, V, W) phase, and feeder ear S1, the S2 of timer DT is connected between AC power W and the center line N; Be connected on the AC power center line N behind the control coil of the output L1 series contactor KM1 of timer DT and the normally-closed contact of KM2, KM3; Auxiliary relay KA1 who is connected on the AC power (U, V, W) in parallel between the S2 of timer DT end and S1 end.

5. according to the energy saving set for illumination described in the claim 1 to 4, 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 to pin 19 meets the pin A+ of analog quantity input module P1-2, pin B+, pin C+, pin 16 and pin 20 meet the pin A-of analog quantity input module P1-2 and P1-3 respectively, pin B-, pin C-, pin 21 to pin 23 meets the pin A+ of analog quantity input module P1-3, pin B+, pin C+, pin 26, pin 27 is connected to L1AC and the N end of CPU among the Programmable Logic Controller PLC.

6. according to the energy saving set for illumination described in the claim 1 to 4, it is characterized in that, pin Q0.0, the Q0.1 of described CPU, Q0.4, Q0.5 connect auxiliary relay KA2, KA3 and KA4, KA5 respectively, be connected to control coil and the motor M1 of contactor KM1, KM2 and KM3 behind the KA6, the pin Q0.6 device HS that receives the report for police service.The pin I0.0 of CPU meets emergency stop switch SE, pin I0.1 and I0.3 meet auto/man transfer switch SA2, pin I0.4 meets bypass cock SA1, pin I0.5 and I0.6 meet the K switch A5 and the KA6 of control motor M 1 rotating respectively, pin I0.7 connects the normally-closed contact of the contactor KM1 of Bypass Control circuit (20), I1.0 connects the normally-closed contact of contactor KM2 and KM3, I1.1 and I1.2 connect the range of regulation bound switch of induction voltage regulator inside respectively, I1.3 meets the door switch KD1 of two of casings, KD2, equipment enters the test run state during I1.4 high level, low level enters normal operating conditions, and I1.5 connects the thermistor of induction voltage regulator TB1 upper end.

7. according to the energy saving set for illumination described in the claim 1 to 4, it is characterized in that described upper end at induction voltage regulator TB1 is provided with thermistor, this thermistor links to each other with CPU pin T1.5 among the Programmable Logic Controller PLC.

8. according to the energy saving set for illumination described in the claim 1, it is characterized in that: described motor (M1) is a threephase asynchronous, is connected to fuse (FU7, FU8, FU9), control switch KA1 and auxiliary relay KA5, KA6 parallel with one another successively between air switch QF1 output that is connected with AC power (U, V, W) and motor (M1).

9. according to the energy saving set for illumination described in the claim 1 to 4, 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 Programmable Logic Controller PLC.