CN111025196A - Solar infrared remote control CT polarity detection device - Google Patents

Solar infrared remote control CT polarity detection device Download PDF

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Publication number
CN111025196A
CN111025196A CN201911221861.1A CN201911221861A CN111025196A CN 111025196 A CN111025196 A CN 111025196A CN 201911221861 A CN201911221861 A CN 201911221861A CN 111025196 A CN111025196 A CN 111025196A
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circuit
resistor
chip
pin
capacitor
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CN111025196B (en
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刘洋
魏帅齐
王尊
李建平
李小燕
申丽馨
崔志永
王闯
耿洋
李栋
杨涛
王宁
王华清
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Hebi Power Supply Co of State Grid Henan Electric Power Co Ltd
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Hebi Power Supply Co of State Grid Henan Electric Power Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering with light sensitive cells

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Selective Calling Equipment (AREA)

Abstract

本发明涉及太阳能红外遥控CT极性检测装置，它包括电源电路、稳压电路、红外遥控电路和输出电路，电源电路包括太阳能电池板和蓄电池组，蓄电池组的正极引出线分别连接有稳压电路和输出电路，红外遥控电路包括红外线接收专用芯片CX20106，芯片CX20106的7脚分别与电阻R2、或非门U1A的输入端连接，电阻R2的另一端分别与滑动变阻器的输出端、VCC连接，或非门U1A的另一个输入端连接小功率继电器JR，或非门U1A的输出端与二极管D2的输入端连接，二极管D2的输出端分别与电阻R3、电容C4、与非门U2A的输入端连接，电阻R3的另一端分别与电阻R4、接地端连接，电阻R4的另一端与电容C4的另一端连接；本发明具有可以检测二次回路、核对电缆线芯、CT极性校正的优点。

Figure 201911221861

The invention relates to a solar infrared remote control CT polarity detection device, which comprises a power supply circuit, a voltage regulator circuit, an infrared remote control circuit and an output circuit. And the output circuit, the infrared remote control circuit includes the infrared receiving special chip CX20106, the 7th pin of the chip CX20106 is respectively connected with the resistor R2, the input end of the NOR gate U1A, the other end of the resistor R2 is respectively connected with the output end of the sliding rheostat, VCC, or The other input end of the NOT gate U1A is connected to the low-power relay JR, the output end of the NOR gate U1A is connected to the input end of the diode D2, and the output end of the diode D2 is respectively connected to the resistor R3, the capacitor C4, and the input end of the NAND gate U2A. , the other end of the resistor R3 is respectively connected with the resistor R4 and the ground terminal, and the other end of the resistor R4 is connected with the other end of the capacitor C4; the invention has the advantages of detecting the secondary circuit, checking the cable core and correcting the CT polarity.

Figure 201911221861

Description

Solar infrared remote control CT polarity detection device
Technical Field
The invention relates to the technical field of relay protection of power systems, in particular to a solar infrared remote control CT polarity detection device.
Background
The CT polarity and the secondary circuit thereof directly influence the correct action of the protection device and the accurate work of the measurement and metering device, which becomes an important and indispensable work in the new and the extension of the power grid, and meanwhile, the correct action of the protection device is directly related to the new and the smooth operation of the extension station and the stable operation of the regional power grid later, so that the CT polarity and the secondary circuit thereof of the power system are ensured to be correct, and the method is particularly key.
The traditional current transformer and the circuit polarity checking method thereof adopt a secondary side direct current method to check the polarity, in practical engineering application, in order to improve the working efficiency, the checking of the CT polarity and the on-off test of a corresponding secondary circuit are carried out simultaneously, a universal meter is easy to generate misjudgment when used in the secondary circuit checking, the phase sequence and the polarity of a circuit cannot be judged visually, meanwhile, a direct current power supply is formed by temporarily packaging and fixing dry batteries, the connection between the batteries is unstable, and therefore, the electric quantity cannot be reliably added into the circuit. The working mode of multi-person cooperation operation easily causes the asynchronism of input and output, and influences the test of CT polarity and a secondary circuit thereof; therefore, it is necessary to provide a solar infrared remote control CT polarity detection device capable of detecting a secondary circuit, checking a cable core and correcting the CT polarity.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a solar infrared remote control CT polarity detection device which can detect a secondary circuit, check a cable core and correct the CT polarity.
The purpose of the invention is realized as follows: the solar infrared remote control CT polarity detection device comprises a power supply circuit, a voltage stabilizing circuit, an infrared remote control circuit and an output circuit, wherein the power supply circuit comprises a solar panel and a storage battery pack, a positive outgoing line of the storage battery pack is respectively connected with the voltage stabilizing circuit and the output circuit, the output circuit comprises a first negative outgoing line V0, a first positive outgoing line V1, a second positive outgoing line V2, a button switch K1, a button switch K2, an indicator lamp A, an indicator lamp B, a loudspeaker A and a loudspeaker B, the other end of the voltage stabilizing circuit is respectively connected with a negative outgoing line and a first negative outgoing line V0 of the storage battery, the positive outgoing line of the storage battery is respectively connected with one end of a button switch K1 and a button switch K2 of the output circuit, the button switch K1, the indicator lamp A and the loudspeaker A are respectively connected with a first positive outgoing line V1 after being sequentially connected in series, the button switch K2, the indicator light B and the loudspeaker B are sequentially connected in series and then connected with a second positive outlet terminal V2;
the infrared remote control circuit comprises an infrared receiving special chip CX20106, a pin 1 of the chip CX20106 is connected with an output end of a photosensitive diode D1, an input end of the photosensitive diode D1 is respectively connected with a pin 4 of a capacitor C1, a pin 4 of the chip CX20106, a capacitor C2, a capacitor C3 and a grounding end, the other end of the capacitor C1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 2 of the chip CX20106, the other end of the capacitor C2 is connected with a pin 6 of the chip CX20106, the other end of the capacitor C3 is connected with a pin CX 3 of the chip CX20106, a pin 5 and a pin 8 of the chip 20106 are respectively connected with an input end and a slide sheet of a slide rheostat RP, a pin 7 of the chip CX20106 is respectively connected with an input end of a resistor R2 and an input end of a NOR gate U1A, the other end of the resistor R2 is respectively connected with an output, the output end of the NOR gate U1A is connected with the input end of a diode D2, the output end of the diode D2 is connected with the input ends of a resistor R3, a capacitor C4 and a NAND gate U2A, the other end of the resistor R3 is connected with a resistor R4 and a grounding end, and the other end of the resistor R4 is connected with the other end of a capacitor C4.
The solar cell panel is used for providing a 12V or above direct current power supply, and the storage battery pack can store electric energy generated by the solar cell panel and output power supply for a circuit behind the storage battery pack.
The voltage stabilizing circuit is a common voltage stabilizing circuit of a power system, ensures that the input voltage of the circuit is stabilized at a voltage level of 12V or above, and meets the requirement of reliable signals.
The invention has the beneficial effects that: the principle, the structure and the operation of the invention are simple, and the invention has the outstanding characteristics that the power supply adopts a solar cell panel, the invention is green, environment-friendly and recyclable, the manufacturing cost is reduced, the voltage stabilizing circuit ensures that the input voltage of the circuit is stabilized at 12V, and the requirement of reliable signals is met, and the introduction of the infrared technology directly liberates CT polarity and loop testing workers, thereby realizing single-person operation, achieving synchronous testing, enhancing the testing accuracy, simultaneously, the output circuit is accompanied with light and sound, being convenient for effective observation, and improving the working efficiency. The solar remote control CT polarity detection device completely meets the three-prevention requirement of national power grid companies, particularly reduces the harm caused by mistaken touch and touch, and ensures the personal safety of electric power personnel; the invention has the advantages of detecting the secondary circuit, checking the cable core and correcting the polarity of CT.
Drawings
Fig. 1 is a schematic diagram of the overall circuit of the present invention.
Fig. 2 is a schematic diagram of an infrared remote control circuit of the present invention.
FIG. 3 is a schematic diagram of a voltage regulator circuit according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, the solar infrared remote control CT polarity detection apparatus includes a power circuit, a voltage regulator circuit, an infrared remote control circuit and an output circuit, the power circuit includes a solar panel and a storage battery pack, a positive terminal of the storage battery pack is connected with the voltage regulator circuit and the output circuit respectively, the output circuit includes a first negative terminal V0, a first positive terminal V1, a second positive terminal V2, a button switch K1, a button switch K2, an indicator light a, an indicator light B, a speaker a and a speaker B, the other end of the voltage regulator circuit is connected with a negative terminal V0 and a first negative terminal V0 of the storage battery respectively, the positive terminal of the storage battery is connected with one end of a button switch K1 and a button switch K2 of the output circuit respectively, the button switch K1, the indicator light a and the speaker a are connected with a first positive terminal V1 after being connected in series in sequence, the button switch K2, the indicator light B and the loudspeaker B are sequentially connected in series and then connected with a second positive outlet terminal V2;
the infrared remote control circuit comprises an infrared receiving special chip CX20106, a pin 1 of the chip CX20106 is connected with an output end of a photosensitive diode D1, an input end of the photosensitive diode D1 is respectively connected with a pin 4 of a capacitor C1, a pin 4 of the chip CX20106, a capacitor C2, a capacitor C3 and a grounding end, the other end of the capacitor C1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with a pin 2 of the chip CX20106, the other end of the capacitor C2 is connected with a pin 6 of the chip CX20106, the other end of the capacitor C3 is connected with a pin CX 3 of the chip CX20106, a pin 5 and a pin 8 of the chip 20106 are respectively connected with an input end and a slide sheet of a slide rheostat RP, a pin 7 of the chip CX20106 is respectively connected with an input end of a resistor R2 and an input end of a NOR gate U1A, the other end of the resistor R2 is respectively connected with an output, the output end of the NOR gate U1A is connected with the input end of a diode D2, the output end of the diode D2 is connected with the input ends of a resistor R3, a capacitor C4 and a NAND gate U2A, the other end of the resistor R3 is connected with a resistor R4 and a grounding end, and the other end of the resistor R4 is connected with the other end of a capacitor C4.
The solar panel is composed of a solar panel, a direct current power supply of 12V or above is provided, a storage battery pack can store electric energy generated by the solar panel, meanwhile, a power supply is output for a circuit behind, a voltage stabilizing circuit ensures that the input voltage of the circuit is stabilized at the voltage level of 12V or above, the requirement of reliable signals is met, in addition, the solar panel can charge the battery for recycling, the battery performance and the portability of the instrument are enhanced, an infrared remote control circuit comprises a transmitting and receiving device, the working range of the infrared remote control circuit can reach 300 meters, the working requirement of CT polarity test of a transformer substation is met, meanwhile, after a primary side connecting wire of the CT is finished, the infrared remote control circuit can be operated by one person in a control room, namely, the terminal of a CT secondary circuit realizes polarity test, an output circuit comprises a first negative wire outlet end V0, a first positive wire outlet end V1, a second positive wire outlet end V2, button, besides infrared remote control, the conduction of the output loop can be controlled through a button switch K2, and the conduction of the loop is convenient to observe along with the fact that the indicator light and the loudspeaker respectively emit light and sound.
Example 2
As shown in fig. 1-3, the infrared remote control circuit includes a chip CX20106 dedicated for infrared reception, pin 1 of the chip CX20106 is connected to an output terminal of a photodiode D1, an input terminal of a photodiode D1 is connected to a capacitor C1, pin 4 of the chip CX20106, a capacitor C2, a capacitor C3 and a ground terminal respectively, the other end of a capacitor C1 is connected to one end of a resistor R1, the other end of a resistor R1 is connected to pin 2 of the chip CX20106, the other end of a capacitor C2 is connected to pin 6 of the chip CX20106, the other end of a capacitor C3 is connected to pin 3 of the chip CX20106, pin 5 and pin 8 of the chip CX20106 are connected to an input terminal of a sliding rheostat RP and a wiper blade, pin 7 of the chip CX20106 is connected to a resistor R2 and an input terminal of a nor gate U1A, the other end of the resistor R2 is connected to an output terminal and VCC of the nor gate U1A, the output end of the NOR gate U1A is connected with the input end of a diode D2, the output end of the diode D2 is connected with the input ends of a resistor R3, a capacitor C4 and a NAND gate U2A, the other end of the resistor R3 is connected with a resistor R4 and a grounding end, and the other end of the resistor R4 is connected with the other end of a capacitor C4.
The solar cell panel is composed of a 12V or above direct-current power supply, the storage battery pack can store electric energy generated by the solar cell panel and outputs power supply for a circuit behind, and the voltage stabilizing circuit is a common voltage stabilizing circuit of a power system, so that the input voltage of the circuit is stabilized at a voltage level of 12V or above, and the requirement of reliable signals is met.
The principle, the structure and the operation of the invention are simple, and the invention has the outstanding characteristics that the power supply adopts a solar cell panel, the invention is green, environment-friendly and recyclable, the manufacturing cost is reduced, the voltage stabilizing circuit ensures that the input voltage of the circuit is stabilized at 12V, and the requirement of reliable signals is met, and the introduction of the infrared technology directly liberates CT polarity and loop testing workers, thereby realizing single-person operation, achieving synchronous testing, enhancing the testing accuracy, simultaneously, the output circuit is accompanied with light and sound, being convenient for effective observation, and improving the working efficiency. The solar remote control CT polarity detection device completely meets the three-prevention requirement of national power grid companies, particularly reduces the harm caused by mistaken touch and touch, and ensures the personal safety of electric power personnel; the invention has the advantages of detecting the secondary circuit, checking the cable core and correcting the polarity of CT.

Claims (3)

1.太阳能红外遥控CT极性检测装置，其特征在于：它包括电源电路、稳压电路、红外遥控电路和输出电路，所述电源电路包括太阳能电池板和蓄电池组，所述蓄电池组的正极引出线分别连接有稳压电路和输出电路，所述输出电路包括第一负极出线端V0、第一正极出线端V1、第二正极出线端V2、按钮开关K1、按钮开关K2、指示灯A、指示灯B、扬声器A和扬声器B，所述稳压电路的另一端分别与蓄电池的负极引出线和第一负极出线端V0连接，所述蓄电池的正极引出线分别与输出电路的按钮开关K1、按钮开关K2的一端连接，所述按钮开关K1、指示灯A、扬声器A分别依次串联后与第一正极出线端V1连接，所述按钮开关K2、指示灯B、扬声器B分别依次串联后与第二正极出线端V2连接；1. The solar infrared remote control CT polarity detection device is characterized in that: it comprises a power supply circuit, a voltage regulator circuit, an infrared remote control circuit and an output circuit, and the power supply circuit comprises a solar panel and a battery pack, and the positive pole of the battery pack leads out The lines are respectively connected with a voltage stabilizing circuit and an output circuit. The output circuit includes a first negative terminal V0, a first positive terminal V1, a second positive terminal V2, a button switch K1, a button switch K2, an indicator light A, an indication Lamp B, loudspeaker A and loudspeaker B, the other end of the voltage regulator circuit is respectively connected with the negative lead wire of the battery and the first negative lead end V0, the positive lead wire of the battery is respectively connected with the button switch K1, button of the output circuit One end of the switch K2 is connected, the button switch K1, the indicator light A, and the speaker A are connected in series with the first positive outlet V1 respectively, and the button switch K2, the indicator light B, and the speaker B are connected in series with the second positive terminal V1 respectively. Positive terminal V2 connection; 所述红外遥控电路包括红外线接收专用芯片CX20106，芯片CX20106的1脚与光敏二极管D1的输出端连接，光敏二极管D1的输入端分别与电容C1、芯片CX20106的4脚、电容C2、电容C3、接地端连接，电容C1的另一端与电阻R1一端连接，所述电阻R1的另一端与芯片CX20106的2脚连接，所述电容C2的另一端与芯片CX20106的6脚连接，所述电容C3的另一端与芯片CX20106的3脚连接，所述芯片CX20106的5脚和8脚分别与滑动变阻器RP的输入端、滑片连接，所述芯片CX20106的7脚分别与电阻R2、或非门U1A的输入端连接，所述电阻R2的另一端分别与滑动变阻器的输出端、VCC连接，所述或非门U1A的另一个输入端连接小功率继电器JR，所述或非门U1A的输出端与二极管D2的输入端连接，所述二极管D2的输出端分别与电阻R3、电容C4、与非门U2A的输入端连接，所述电阻R3的另一端分别与电阻R4、接地端连接，电阻R4的另一端与电容C4的另一端连接。The infrared remote control circuit includes a dedicated infrared receiver chip CX20106, the 1 pin of the chip CX20106 is connected to the output end of the photodiode D1, the input end of the photodiode D1 is respectively connected to the capacitor C1, the 4th pin of the chip CX20106, the capacitor C2, the capacitor C3, the ground The other end of the capacitor C1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to the 2 pin of the chip CX20106, the other end of the capacitor C2 is connected to the 6 pin of the chip CX20106, and the other end of the capacitor C3 is connected to the 6 pin of the chip CX20106. One end is connected to the 3-pin of the chip CX20106, the 5-pin and 8-pin of the chip CX20106 are respectively connected with the input end and the sliding piece of the sliding rheostat RP, and the 7-pin of the chip CX20106 is respectively connected with the resistor R2 and the input of the NOR gate U1A The other end of the resistor R2 is connected to the output end and VCC of the sliding varistor, the other input end of the NOR gate U1A is connected to the low-power relay JR, and the output end of the NOR gate U1A is connected to the diode D2. The output end of the diode D2 is connected to the input end of the resistor R3, the capacitor C4 and the NAND gate U2A respectively, the other end of the resistor R3 is respectively connected to the resistor R4 and the ground end, and the other end of the resistor R4 Connect to the other end of capacitor C4. 2.如权利要求1所述的太阳能红外遥控CT极性检测装置，其特征在于：所述太阳能电池板组成，提供12V及以上直流电源，蓄电池组能够存储太阳能电池板产生的电能，为后面的电路输出电源。2. The solar infrared remote control CT polarity detection device according to claim 1, characterized in that: the solar panel is composed of a 12V and above DC power supply, and the battery pack can store the electric energy generated by the solar panel, which is the circuit output power. 3.如权利要求1所述的太阳能红外遥控CT极性检测装置，其特征在于：所述稳压电路为电力系统常见稳压电路，保证了电路输入电压稳定在12V及以上电压等级，满足可靠信号的要求。3. The solar infrared remote control CT polarity detection device as claimed in claim 1, characterized in that: the voltage stabilizer circuit is a common voltage stabilizer circuit in the power system, which ensures that the circuit input voltage is stabilized at 12V and above voltage levels, and satisfies reliability. signal requirements.
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Publication number Priority date Publication date Assignee Title
CN103645407A (en) * 2013-11-28 2014-03-19 国网河南省电力公司鹤壁供电公司 Direct-current low-voltage tester
CN104237733A (en) * 2014-10-15 2014-12-24 国网河南省电力公司鹤壁供电公司 CT polarity tester
CN107610446A (en) * 2017-11-02 2018-01-19 苏州星阁星诚机电工程有限公司 A kind of IR remote controller test device
CN110286295A (en) * 2019-05-13 2019-09-27 国家电网有限公司 A device and method for testing the polarity of a DC feeder screen branch CT
CA3100210A1 (en) * 2018-05-17 2019-11-21 Siemens Aktiengesellschaft Method and device for identifying an inter-turn short circuit in parallel windings
CN211905643U (en) * 2019-12-03 2020-11-10 国网河南省电力公司鹤壁供电公司 Solar infrared remote control CT polarity detection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103645407A (en) * 2013-11-28 2014-03-19 国网河南省电力公司鹤壁供电公司 Direct-current low-voltage tester
CN104237733A (en) * 2014-10-15 2014-12-24 国网河南省电力公司鹤壁供电公司 CT polarity tester
CN107610446A (en) * 2017-11-02 2018-01-19 苏州星阁星诚机电工程有限公司 A kind of IR remote controller test device
CA3100210A1 (en) * 2018-05-17 2019-11-21 Siemens Aktiengesellschaft Method and device for identifying an inter-turn short circuit in parallel windings
CN110286295A (en) * 2019-05-13 2019-09-27 国家电网有限公司 A device and method for testing the polarity of a DC feeder screen branch CT
CN211905643U (en) * 2019-12-03 2020-11-10 国网河南省电力公司鹤壁供电公司 Solar infrared remote control CT polarity detection device

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