CN103107510A - Electricity self-generating reclosing controller - Google Patents
Electricity self-generating reclosing controller Download PDFInfo
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- CN103107510A CN103107510A CN 201210460035 CN201210460035A CN103107510A CN 103107510 A CN103107510 A CN 103107510A CN 201210460035 CN201210460035 CN 201210460035 CN 201210460035 A CN201210460035 A CN 201210460035A CN 103107510 A CN103107510 A CN 103107510A
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Abstract
The invention discloses an electricity self-generating reclosing controller which comprises an electricity self-generating power circuit, a voltage sampling circuit, a current sampling circuit, a micro control unit, a protection actuating mechanism and a signal receiving device. The electricity self-generating power circuit is connected with the micro control unit. The micro control unit is connected with the voltage sampling circuit and the current sampling circuit. The protection actuating mechanism is connected with the micro control unit. The signal receiving device is connected with the micro control unit. According to the electricity self-generating reclosing controller, a working voltage of the reclosing controller is provided by currents inducted through a current transformer, when no external voltage of the reclosing controller exists or the external voltage of the reclosing controller is low, the reclosing micro control unit can still have a current protection function.
Description
Technical field
The present invention relates to a kind of reclosing controller, relate in particular to a kind of spontaneous electric reclosing controller.
Background technology
The reclosing micro-control unit has far distance automatic controlling and manpower on the spot and controls the function that the mode that has concurrently is carried out control operation; time meta-current protection characteristic with cooperation; have control with protection from movingly, the function of operation continuously after short circuit, can realize the control and protection to motor load, distribution load.But traditional reclosing micro-control unit all provides power supply by step-down transformer or Switching Power Supply, when increasing the current protecting function detection, also needs the extra outside accessory power supply that increases.
Summary of the invention
For above-mentioned technical problem; the object of the present invention is to provide a kind of spontaneous electric reclosing controller; its electric current of responding to by current transformer provides the operating voltage of reclosing controller; when the reclosing controller external voltage does not have or be very low, still can make the reclosing micro-control unit have current protecting function.
For reaching this purpose, the present invention by the following technical solutions:
A kind of spontaneous electric reclosing controller, it comprises spontaneous electric power circuit, voltage sampling circuit, current sampling circuit, micro-control unit, protection actuator and signal receiving device;
Described spontaneous electric power circuit is connected with micro-control unit, is used for inducing electric current by current transformer, powers to micro-control unit;
Described micro-control unit is connected with voltage sampling circuit, current sampling circuit, is used for the voltage signal of analytical voltage sample circuit collection and the current signal that current sampling circuit gathers, and sends the divide-shut brake control signal according to analysis result to the protection execution architecture;
Described protection actuator is connected with micro-control unit, is used for carrying out corresponding operation according to the described divide-shut brake control signal of micro-control unit output;
Described signal receiving device is connected with micro-control unit, is used for receiving by the control parameter of button to the controller input.
Especially, described spontaneous electric power circuit comprises: rectification circuit, sampling resistor, diode D1, voltage stabilizing circuit, resistance R 1, diode D2, operational amplifier, resistance R 2, capacitor C 1, diode D3, resistance R 3, resistance R 4, diode D4, triode Q1, resistance R 5 and resistance R 6;
wherein, described rectification circuit is by diode D5, diode D6, the full bridge rectifier that diode D7 and diode D8 consist of, its first input end is connected the output of current transformer with the second input, the first output connects sampling resistor, the end of the second output and diode D1, the end of diode D4, the drain electrode of triode Q1 connects, one end of the other end of diode D1 and resistance R 1, resistance R 2, one end of resistance R 3, the voltage stabilizing circuit input connects, the reverse input end of the other end of resistance R 1 and node concatenation operation amplifier after the end of diode D2 is connected, the other end of diode D2 is connected with the earth terminal of operational amplifier, the power input of the node concatenation operation amplifier that is connected with resistance R 2 other ends after resistance C1 and diode D3 are connected in parallel, the other end of resistance R 3 is connected with the input in the same way of operational amplifier with node after an end of resistance R 4 is connected, the other end ground connection of resistance R 4, diode D4 and triode Q1 are connected in parallel, the grid of triode Q1 and resistance R 5, the output of the node concatenation operation amplifier after resistance R 6 connects, the power input of the other end concatenation operation amplifier of resistance R 5, the source electrode of the other end connecting triode Q1 of resistance R 6.
Especially, described voltage stabilizing circuit comprises diode D9, capacitor C 2, capacitor C 3 and stabilized voltage power supply U1;
Wherein, capacitor C 2 is connected with the end of diode D9, the input of stabilized voltage power supply U1 with the first node after capacitor C 3 is connected in parallel, the other end of diode D9 is connected with the end of diode D1, capacitor C 2 is connected with the earth terminal of stabilized voltage power supply U1 with the second node after capacitor C 3 is connected in parallel, and the output of stabilized voltage power supply U1 connects micro-control unit.
The electric current that in the present invention, spontaneous electric power circuit is responded to by current transformer provides the operating voltage of reclosing controller, when the reclosing controller external voltage does not have or be very low, still can make reclosing controller have current protecting function.
Description of drawings
Fig. 1 is the spontaneous electric reclosing controller structure chart that the embodiment of the present invention provides;
Fig. 2 is the spontaneous electric circuit construction of electric power figure that the embodiment of the present invention provides;
Fig. 3 is the voltage regulator circuit structure figure that the embodiment of the present invention provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the invention will be further described below in conjunction with drawings and Examples.
Please refer to shown in Figure 1; in the present embodiment, spontaneous electric reclosing controller comprises spontaneous electric power circuit 1, voltage sampling circuit 2, current sampling circuit 3, micro-control unit (Micro Control Unit, MCU) 4, protection actuator 5 and signal receiving device 6.
Described spontaneous electric power circuit 1 is connected with micro-control unit 4, is used for inducing electric current by current transformer, gives micro-control unit 4 power supplies.
Described micro-control unit 4 is connected with voltage sampling circuit 2, current sampling circuit 3; be used for the voltage signal of analytical voltage sample circuit 2 collections and the current signal that current sampling circuit 3 gathers, and send the divide-shut brake control signal according to analysis result to the protection execution architecture.
In the present embodiment, voltage sampling circuit 2 is by the three-phase voltage signal of voltage transformer collection power supply commonly used, current sampling circuit 3 gathers the three-phase current signal of main circuit by current transformer, and described three-phase voltage signal and three-phase current signal are exported to micro-control unit 4 processing.
Described protection actuator 5 is connected with micro-control unit 4, is used for carrying out corresponding operation according to the described divide-shut brake control signal of micro-control unit 4 outputs.
Described signal receiving device 6 is connected with micro-control unit 4, is used for receiving by the control parameter of button to the controller input.Come the every state parameter of page turning inquiry by button, can also carry out setting and the modification of customization parameter by button, simple and quick.
As shown in Figure 2, described in the present embodiment, spontaneous electric power circuit 1 comprises: rectification circuit, sampling resistor Rc, diode D1, voltage stabilizing circuit, resistance R 1, diode D2, operational amplifier LC, resistance R 2, capacitor C 1, diode D3, resistance R 3, resistance R 4, diode D4, triode Q1, resistance R 5 and resistance R 6.
wherein, described rectification circuit is by diode D5, diode D6, the full bridge rectifier that diode D7 and diode D8 consist of, its first input end is connected the output of current transformer with the second input, the first output connects sampling resistor Rc, the end of the second output and diode D1, the end of diode D4, the drain electrode of triode Q1 connects, one end of the other end of diode D1 and resistance R 1, resistance R 2, one end of resistance R 3, the voltage stabilizing circuit input connects, the reverse input end of the other end of resistance R 1 and node concatenation operation amplifier LC after the end of diode D2 is connected, the other end of diode D2 is connected with the earth terminal of operational amplifier LC, the power input of the node concatenation operation amplifier LC that is connected with resistance R 2 other ends after resistance C1 and diode D3 are connected in parallel, the other end of resistance R 3 is connected with the input in the same way of operational amplifier LC with node after an end of resistance R 4 is connected, the other end ground connection of resistance R 4, diode D4 and triode Q1 are connected in parallel, the grid of triode Q1 and resistance R 5, the output of node concatenation operation amplifier LC after resistance R 6 connects, the power input of the other end concatenation operation amplifier LC of resistance R 5, the source electrode of the other end connecting triode Q1 of resistance R 6.As shown in Figure 3, described voltage stabilizing circuit comprises diode D9, capacitor C 2, capacitor C 3 and stabilized voltage power supply U1.Wherein, capacitor C 2 is connected with the end of diode D9, the input of stabilized voltage power supply U1 with the first node after capacitor C 3 is connected in parallel, the other end of diode D9 is connected with the end of diode D1, capacitor C 2 is connected with the earth terminal of stabilized voltage power supply U1 with the second node after capacitor C 3 is connected in parallel, and the output of stabilized voltage power supply U1 connects micro-control unit 4.
in the present embodiment, the course of work of spontaneous electric power circuit 1 is as follows: the electric current that current transformer induces passes through by diode D5, diode D6, the full bridge rectifier that diode D7 and diode D8 consist of carries out rectification, generate a direct current voltage through diode D1, this direct voltage is by resistance R 1, resistance R 2, resistance R 3 is carried out dividing potential drop and is obtained respectively reference voltage, the supply power voltage of operational amplifier LC, detect voltage, operational amplifier LC compares described reference voltage and detection voltage, when detecting voltage greater than reference voltage, the output voltage pulse output trigger triode Q1 conducting of operational amplifier LC, make sampling resistor Rc and rectification circuit form path, sampling resistor Rc begins the electric current of rectification circuit output is sampled, at this moment, described direct voltage is also inputted stabilized voltage power supply U1 and is carried out voltage stabilizing, give micro-control unit 4 power supplies.
Technical scheme of the present invention provides operating voltage by spontaneous electric power circuit for reclosing controller, when the reclosing controller external voltage does not have or be very low, still can make the reclosing micro-control unit have current protecting function.
Above-mentioned is only preferred embodiment of the present invention and institute's application technology principle, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed in protection scope of the present invention.
Claims (3)
1. a spontaneous electric reclosing controller, is characterized in that, comprises spontaneous electric power circuit, voltage sampling circuit, current sampling circuit, micro-control unit, protection actuator and signal receiving device;
Described spontaneous electric power circuit is connected with micro-control unit, is used for inducing electric current by current transformer, powers to micro-control unit;
Described micro-control unit is connected with voltage sampling circuit, current sampling circuit, is used for the voltage signal of analytical voltage sample circuit collection and the current signal that current sampling circuit gathers, and sends the divide-shut brake control signal according to analysis result to the protection execution architecture;
Described protection actuator is connected with micro-control unit, is used for carrying out corresponding operation according to the described divide-shut brake control signal of micro-control unit output;
Described signal receiving device is connected with micro-control unit, is used for receiving by the control parameter of button to the controller input.
2. spontaneous electric reclosing controller according to claim 1, it is characterized in that, described spontaneous electric power circuit comprises: rectification circuit, sampling resistor, diode D1, voltage stabilizing circuit, resistance R 1, diode D2, operational amplifier, resistance R 2, capacitor C 1, diode D3, resistance R 3, resistance R 4, diode D4, triode Q1, resistance R 5 and resistance R 6;
wherein, described rectification circuit is by diode D5, diode D6, the full bridge rectifier that diode D7 and diode D8 consist of, its first input end is connected the output of current transformer with the second input, the first output connects sampling resistor, the end of the second output and diode D1, the end of diode D4, the drain electrode of triode Q1 connects, one end of the other end of diode D1 and resistance R 1, resistance R 2, one end of resistance R 3, the voltage stabilizing circuit input connects, the reverse input end of the other end of resistance R 1 and node concatenation operation amplifier after the end of diode D2 is connected, the other end of diode D2 is connected with the earth terminal of operational amplifier, the power input of the node concatenation operation amplifier that is connected with resistance R 2 other ends after resistance C1 and diode D3 are connected in parallel, the other end of resistance R 3 is connected with the input in the same way of operational amplifier with node after an end of resistance R 4 is connected, the other end ground connection of resistance R 4, diode D4 and triode Q1 are connected in parallel, the grid of triode Q1 and resistance R 5, the output of the node concatenation operation amplifier after resistance R 6 connects, the power input of the other end concatenation operation amplifier of resistance R 5, the source electrode of the other end connecting triode Q1 of resistance R 6.
3. spontaneous electric reclosing controller according to claim 2, is characterized in that, described voltage stabilizing circuit comprises diode D9, capacitor C 2, capacitor C 3 and stabilized voltage power supply U1;
Wherein, capacitor C 2 is connected with the end of diode D9, the input of stabilized voltage power supply U1 with the first node after capacitor C 3 is connected in parallel, the other end of diode D9 is connected with the end of diode D1, capacitor C 2 is connected with the earth terminal of stabilized voltage power supply U1 with the second node after capacitor C 3 is connected in parallel, and the output of stabilized voltage power supply U1 connects micro-control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210460035 CN103107510A (en) | 2012-11-15 | 2012-11-15 | Electricity self-generating reclosing controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210460035 CN103107510A (en) | 2012-11-15 | 2012-11-15 | Electricity self-generating reclosing controller |
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| CN103107510A true CN103107510A (en) | 2013-05-15 |
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| CN 201210460035 Pending CN103107510A (en) | 2012-11-15 | 2012-11-15 | Electricity self-generating reclosing controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571239A (en) * | 2013-10-25 | 2015-04-29 | 意法半导体研发(深圳)有限公司 | Device and method for generating DC (direct current) bias |
| CN106451372A (en) * | 2015-08-08 | 2017-02-22 | 河南华盛隆源电气有限公司 | Novel reclosing controller software architecture |
-
2012
- 2012-11-15 CN CN 201210460035 patent/CN103107510A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104571239A (en) * | 2013-10-25 | 2015-04-29 | 意法半导体研发(深圳)有限公司 | Device and method for generating DC (direct current) bias |
| CN106451372A (en) * | 2015-08-08 | 2017-02-22 | 河南华盛隆源电气有限公司 | Novel reclosing controller software architecture |
| CN106451372B (en) * | 2015-08-08 | 2019-03-08 | 河南华盛隆源电气有限公司 | A kind of novel reclosing controller software architecture system |
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Application publication date: 20130515 |