CN200959693Y

CN200959693Y - Light economizer of single-phase intelligent light

Info

Publication number: CN200959693Y
Application number: CN 200620108733
Authority: CN
Inventors: 徐建康
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-19
Filing date: 2006-10-19
Publication date: 2007-10-10
Anticipated expiration: 2016-10-19

Abstract

The utility model which belongs to saving electronic technology field discloses an single-phase intelligent lighting saver especially for an electric discharging lamp with the ballast. The main control circuit is consisting of CPU which first obtains the parameters of circuit by calculating the input signal in the unit for signal detection, then adjusts the parameters of circuit by controlling the control relay J to indirectly control the contactor KM1, the contactor KM2 and the control transformer T1, the best effect of power saving is realized. The utility model of single-phase intelligent lighting saver with the function of power saving can provide proper voltage automatically according to the condition of the load R and adjust the power of load R. According to the load R the right power saver is configured for each phase, when one phase going wrong, the wrong phase can exit with no influence to other two, the powerdown because of failure and the influence to users are prevented.

Description

Intelligence single-phase light electricity-saving appliance

Technical field

The utility model discloses a kind of Intelligence single-phase light electricity-saving appliance, be particularly useful for gas discharge class light fixture, belong to the electricity-saving appliance technical field with ballast.

Background technology

Because gas discharge class light fixture needs high voltage and heavy current when starting, after starting steadily, only need low voltage and electric current, and can not influence its illuminance.But this moment the voltage of supplying with there is certain requirement, the voltage of supplying with is too low then can to influence its illuminance, in order to improve the utilance of power supply, reach purpose of saving simultaneously, we can allow light fixture that higher voltage is arranged when starting, suitable its voltage parameter of control when operate as normal, thus reach purpose of saving.

At present, also have producer that electricity-saving appliance is provided, but normally adopt the three-phase electricity-saving device, because of this electricity-saving appliance when mounted must be according to a phase configuration of load maximum, thereby all the other loads little just caused unnecessary waste, can not adapt to user's requirement; Simultaneously, this kind equipment wherein one breaks down (as short circuit) mutually, can cause electricity-saving appliance to withdraw from, and all the other two-phases also can't operate as normal, comes into operation after must repairing again, thereby causes user's loss.

The utility model content

The purpose of this utility model is to provide a kind of power utilization rate height, Intelligence single-phase light electricity-saving appliance that power savings is good and single-phase.

To achieve these goals, the technical scheme that the utility model adopted is: a kind of Intelligence single-phase light electricity-saving appliance comprises Power Conversion unit, detecting signal unit, power transformer T2, microcomputer control unit and auto by pass system; Primary coil T2-1 one end of power transformer T2 is connected with the power supply phase line, and the other end and zero-power line connect and compose the loop, and secondary coil T2-2 is connected to the input port of microcomputer control unit after the rectifying and wave-filtering voltage stabilizing; By the signal on the detecting signal unit reception load R, by the voltage on the power controlling converter unit regulating load R, described Power Conversion unit comprises control transformer T1, contactor KM1, contactor KM2, relay J to microcomputer control unit more earlier; Relay J is connected with the power supply phase line, the normally-closed contact J1 of relay J is connected in the contactor KM1 control circuit that is connected with zero-power line by the normally-closed contact KM2-2 of contactor KM2, and the normally opened contact J2 of relay J is connected in the contactor KM2 control circuit that is connected with zero-power line by the normally-closed contact KM1-2 of contactor KM1; The normally opened contact KM1-1 of contactor KM1 is series between power supply and the load R, and the control circuit of normally opened contact KM1-1 is the auto by pass system; Primary coil T1-1 one end of control transformer T1 is connected with zero-power line, and the other end is connected with the normally opened contact KM2-1 of contactor KM2, and normally opened contact KM2-1 links to each other with the power supply phase line; Connect with load R again after the normally opened contact KM1-1 parallel connection of the secondary coil T1-2 of control transformer T1 and contactor KM1 and constitute the loop.

As the further improvement of such scheme, be provided with temperature detect switch (TDS) K between the primary coil T2-1 of described power transformer T2 and the zero-power line.When control transformer T1 reached the temperature control value of temperature detect switch (TDS) K, the power supply of temperature detect switch (TDS) K meeting automatic disconnection microcomputer control unit was in electricity-saving appliance and withdraws from electricity-saving state.

Be provided with circuit breaker K2 between the primary coil T2-1 of described power transformer T2 and the power supply phase line, can the major part of electricity-saving appliance itself be shielded.

The end of incoming cables of described power supply phase line is connected with circuit breaker K1, can shield to whole loop and load R.

The utility model Intelligence single-phase light electricity-saving appliance can provide suitable voltage automatically according to load R situation, and the R of regulating load simultaneously power plays the effect of economize on electricity; In addition can be according to the actual conditions of load R, every electricity-saving appliance that independent configuration is suitable, and, avoid hindering for some reason outage when wherein one withdrawing from the operate as normal that does not influence all the other two-phases simultaneously when breaking down mutually automatically separately, the user is impacted.

Description of drawings

In conjunction with the embodiments the utility model is described in further detail with reference to the accompanying drawings.

Fig. 1 is the schematic block circuit diagram of the utility model specific embodiment;

Fig. 2 is the theory diagram of control section;

Fig. 3 is a circuit theory schematic diagram (detecting signal unit does not draw).

Specific embodiment

As shown in Figure 1, 2, 3, the utility model Intelligence single-phase light electricity-saving appliance comprises Power Conversion unit, detecting signal unit, power transformer T2, microcomputer control unit and auto by pass system.Microcomputer control unit is earlier by the signal on the detecting signal unit reception load R, again by the voltage on the power controlling converter unit regulating load R.The end of incoming cables of power supply phase line is connected with circuit breaker K1.Microcomputer control unit comprises CPU and peripheral circuit thereof.Detecting signal unit comprises current transformer and A/D change-over circuit, and the primary coil of current transformer (being the power supply phase line) is series in the loop of load R circuit, and secondary coil output is connected to the input port of CPU through the A/D change-over circuit.Primary coil T2-1 one end of power transformer T2 is serially connected with the circuit breaker K2 that links to each other with the power supply phase line, and the other end is serially connected with the temperature detect switch (TDS) K that links to each other with zero-power line, and secondary coil T2-2 is connected to another input port of CPU after the rectifying and wave-filtering voltage stabilizing.

The Power Conversion unit comprises control transformer T1, contactor KM1, contactor KM2, relay J.Relay J is connected with the power supply phase line, the normally-closed contact J1 of relay J is connected in the contactor KM1 control circuit that is connected with zero-power line by the normally-closed contact KM2-2 of contactor KM2, and the normally opened contact J2 of relay J is connected in the contactor KM2 control circuit that is connected with zero-power line by the normally-closed contact KM1-2 of contactor KM1.The normally opened contact KM1-1 of contactor KM1 is series between power supply and the load R, and the control circuit of normally opened contact KM1-1 is the auto by pass system.Primary coil T1-1 one end of control transformer T1 is connected with zero-power line, and the other end is connected with the normally opened contact KM2-1 of contactor KM2, and normally opened contact KM2-1 links to each other with the power supply phase line; Connect with load R again after the normally opened contact KM1-1 parallel connection of the secondary coil T1-2 of control transformer T1 and contactor KM1 and constitute the loop.

In the brief introduction of foregoing circuit, constitute main control circuit by CPU, its output port control relay J.CPU earlier calculates the acquisition cuicuit parameter by the input signal to detecting signal unit, and the parameter of coming indirect control contactor KM1, contactor KM2 and control transformer T1 to come regulating circuit by control relay J again is to reach best power savings.

When relay J is in normally-closed contact J1, contactor KM1 work, contactor KM2 is in bypass condition, and this moment, electricity-saving appliance was for withdrawing from electricity-saving state; When the normally opened contact J2 of relay J adhesive, contactor KM2 work, contactor KM1 is in bypass condition, and this moment, electricity-saving appliance entered electricity-saving state.

Behind the electric power starting, connect circuit breaker K1, circuit breaker K2.When entire circuit has just started, relay J is in normally-closed contact J1, the primary coil T2-1 of contactor KM1 control circuit, power transformer T2, the secondary coil T1-2 of control transformer T1 and load R constitute the loop, microcomputer control unit can obtain detected value from detecting signal unit simultaneously, but can not influence voltage.At this moment, there is the higher voltage can be on the load R for load R gaseous discharge lamp starter, (follow procedure setting) gaseous discharge lamp starter is finished behind certain hour, then CPU is with the normally opened contact J2 adhesive of control relay J, contactor KM1 dead electricity, normally opened contact KM1-1 disconnect, electric, normally opened contact KM2-1 adhesive that contactor KM2 gets, the primary coil T1-1 of control transformer T1 and secondary coil T1-2 influence each other then, make the voltage appropriateness reduce and keep the operate as normal of gaseous discharge lamp.Owing to suitably reduced the operating voltage of load R, so effectively realized economize on electricity.

Claims

1. an Intelligence single-phase light electricity-saving appliance comprises Power Conversion unit, detecting signal unit, power transformer T2, microcomputer control unit and auto by pass system; Primary coil T2-1 one end of power transformer T2 is connected with the power supply phase line, and the other end and zero-power line connect and compose the loop, and secondary coil T2-2 is connected to the input port of microcomputer control unit after the rectifying and wave-filtering voltage stabilizing; Microcomputer control unit is earlier by the signal on the detecting signal unit reception load R, by the voltage on the power controlling converter unit regulating load R, it is characterized in that: described Power Conversion unit comprises control transformer T1, contactor KM1, contactor KM2, relay J again; Relay J is connected with the power supply phase line, the normally-closed contact J1 of relay J is connected in the contactor KM1 control circuit that is connected with zero-power line by the normally-closed contact KM2-2 of contactor KM2, and the normally opened contact J2 of relay J is connected in the contactor KM2 control circuit that is connected with zero-power line by the normally-closed contact KM1-2 of contactor KM1; The normally opened contact KM1-1 of contactor KM1 is series between power supply and the load R, and the control circuit of normally opened contact KM1-1 is the auto by pass system; Primary coil T1-1 one end of control transformer T1 is connected with zero-power line, and the other end is connected with the normally opened contact KM2-1 of contactor KM2, and normally opened contact KM2-1 links to each other with the power supply phase line; Connect with load R again after the normally opened contact KM1-1 parallel connection of the secondary coil T1-2 of control transformer T1 and contactor KM1 and constitute the loop.

2. according to the described Intelligence single-phase light electricity-saving appliance of claim 1, it is characterized in that being provided with temperature detect switch (TDS) K between the primary coil T2-1 of described power transformer T2 and the zero-power line.

3. according to claim 1 or 2 described Intelligence single-phase light electricity-saving appliances, it is characterized in that being provided with circuit breaker K2 between the primary coil T2-1 of described power transformer T2 and the power supply phase line.

4. according to the described Intelligence single-phase light electricity-saving appliance of claim 1, it is characterized in that the end of incoming cables of described power supply phase line is connected with circuit breaker K1.