CN210294415U - Regional line loss fine management system of public transformer area - Google Patents
Regional line loss fine management system of public transformer area Download PDFInfo
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- CN210294415U CN210294415U CN201821682294.0U CN201821682294U CN210294415U CN 210294415 U CN210294415 U CN 210294415U CN 201821682294 U CN201821682294 U CN 201821682294U CN 210294415 U CN210294415 U CN 210294415U
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Abstract
A fine management system for line loss of a public transformer area comprises a transformer, a telegraph pole, a low-voltage line of the telegraph pole and a low-voltage user; the low-voltage detection equipment comprises a voltage grade selector, a multi-way switch selector, a voltage detection circuit, a comparator, a processor, a wireless transmission unit and the like; the output end of the voltage grade selector is connected with the input end of the multi-way switch selector, the output end of the multi-way switch selector is connected with the input end of the voltage detection circuit, and the processor is connected with the wireless transmission unit; the first register and the second register are connected with the processor through a data bus; the wireless transmission unit is in communication with the power supply office server. Use the utility model discloses but the public user power consumption condition that becomes of real-time supervision to can measure the user power consumption with power supply bureau marketing system measurement, measure regional line loss and power consumption abnormity, handle fast.
Description
Technical Field
The utility model relates to an electricity management technical field especially relates to a regional line loss of public transformer district management system that becomes more meticulous.
Background
At present, low-voltage metering equipment exists in an electric power system, the equipment mainly comprises a low-voltage metering box, a multifunctional electric meter and a metering box, and the equipment is mainly used for metering information such as electricity consumption, voltage and current of a public transformer user and is also used as a line loss analysis data source of a public transformer area.
However, according to the actual use situation in the field, the device has the following problems in the online loss analysis use:
(1) at present, a multifunctional electric energy meter can only measure the electric quantity of a user in a public transformer area and is used as a line loss analysis data source, but can only calculate the comprehensive line loss of the transformer area and cannot calculate the line loss of an area;
(2) due to the fact that the multifunctional electric energy meter runs for many years, effective maintenance is lacked, a plurality of meters are inaccurate and abnormal in metering, and no effective means is provided for monitoring whether the meters run normally or not;
(3) the multifunctional electric energy meter has no effective function to check whether the electricity consumption of the public transformer user is abnormal or not and whether an electricity stealing behavior exists or not;
(4) at present, the abnormal line loss caused by line aging, misalignment of a metering device, line overload, electricity stealing and leakage and the like cannot be effectively judged.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of prior art, the utility model aims at providing a public transformer district regional line loss management system that becomes more meticulous, the public transformer user power consumption condition of real-time supervision to can measure the user's power consumption with power supply bureau marketing system measurement, measure regional line loss and power consumption unusual, handle fast.
In order to achieve the above and other related objects, the present invention provides a fine management system for regional line loss in a public transformer area, which comprises a transformer, a wire pole, and a low voltage line and a low voltage user on the wire pole; low-voltage detection equipment is arranged on the outlet end of the transformer, the branch point of the low-voltage line and the branch line of the low-voltage line, and the low-voltage line is connected to a low-voltage user;
the low voltage detection apparatus includes: the device comprises a voltage grade selector, a multi-way switch selector, a voltage detection circuit, a comparator, a processor, a wireless transmission unit, a first register, a second register and a data bus;
the output end of the voltage grade selector is connected with the input end of the multi-way switch selector, the output end of the multi-way switch selector is connected with the input end of the voltage detection circuit, the output end of the voltage detection circuit and the second register are both connected with the input end of the comparator, the output end of the comparator is connected with the processor, and the processor is connected with the wireless transmission unit;
the first register and the second register are connected with the processor through the data bus;
the wireless transmission unit is in communication with a power supply office server.
The utility model discloses an among the implementation, voltage detection circuit includes: the LED driving circuit comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a voltage monitoring chip U, a first triode, a second triode, a first light emitting diode, a second light emitting diode and a working voltage VCC;
one end of the first resistor is connected with the output end of the multi-way switch selector, the other end of the first resistor is respectively connected with one end of the second resistor and the input end of the voltage monitoring chip U, the output end of the voltage monitoring chip U is connected with the base electrode of the first triode and the base electrode of the second triode, the emitting electrode of the first triode is connected with the anode of the second light emitting diode through the third resistor, the collecting electrode of the second triode is connected with the cathode of the first light emitting diode, and the anode of the first light emitting diode is connected with the collecting electrode of the first triode through the fourth resistor to the working voltage VCC;
the other end of the second resistor, the cathode of the second light emitting diode and the transmitter of the second triode are grounded.
The utility model discloses an among the implementation, voltage monitoring chip U's model is AZ 809.
The utility model discloses an among the implementation, first triode be the NPN type the second triode is the PNP type.
The utility model discloses an among the implementation, the multiple switch selector comprises multiple selector switch.
As above, the utility model discloses a public transformer district regional line loss management system that becomes more meticulous, the public transformer user power consumption condition of real-time supervision to can measure the user power consumption with power supply office marketing system measurement, measure regional line loss and power consumption unusual, handle fast.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is a circuit diagram of the present invention;
fig. 3 is another circuit diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Please refer to fig. 1-3. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
In order to solve the prior art problem, an embodiment of the present invention provides a fine management system for regional line loss of a public transformer area, as shown in fig. 1, including a transformer 1, a telegraph pole 2, a low-voltage line 4 on the telegraph pole 2, and a low-voltage user 3; and low-voltage detection equipment 5 is arranged on the outlet end of the transformer 1, the branch point of the low-voltage line 4 and the branch line of the low-voltage line 4, and the low-voltage line 4 is connected to a low-voltage user 3. As shown in fig. 2, the low voltage detection device 5 includes: a voltage class selector 11, a multi-way switch selector 12, a voltage detection circuit 13, a comparator 14, a processor 15, a wireless transmission unit 16, a first register 17, a second register 18 and a data bus 19; the output end of the voltage level selector 11 is connected to the input end of the multi-way switch selector 12, the output end of the multi-way switch selector 12 is connected to the input end of the voltage detection circuit 13, the output end of the voltage detection circuit 13 and the second register 18 are both connected to the input end of the comparator 14, the output end of the comparator 14 is connected to the processor 15, and the processor 15 is connected to the wireless transmission unit 16; said first register 17 and said second register 18 are connected to said processor 15 via said data bus 19; the wireless transmission unit 16 communicates with the power supply office server 6.
1) A low-voltage detection device 5 is arranged on the outgoing line side of the transformer 1, and is mainly used for measuring the total power supply quantity of the transformer area and calculating the bus loss rate of the transformer area;
(2) installing low-voltage detection equipment 5 at a branch point of the line, and measuring branch electric quantity and branch line loss rate;
(3) a plurality of low-voltage detection devices 5 are arranged on a long branch line, and the line area measures the electric quantity and the line loss;
(4) and adding a power supply office server 6, remotely reading data by using the amount, calculating regional line loss, and quickly positioning and analyzing the abnormal region of the line loss.
This device low pressure power consumption monitor 5 gathers and judges whether voltage is normal, in the signal data transmission power supply office server 6 that will judge, power supply office server 6 received data, monitors public transformer user power consumption condition, with the user power consumption of power supply office marketing system measurement, measures regional line loss and power consumption anomaly monitoring.
Specifically, after receiving the voltage, the voltage level selector 11 determines the level according to the input voltage value, for example, the input voltage V1 value is between 12 and 24, selects level 2, selects the corresponding switch according to the level multiplexer 12 to provide the input voltage to the voltage detection circuit 13, compares the result of the detection output with the low voltage stored in the second register 18, and outputs the comparison result to the processor 15, for example, if the output of the comparator 14 is a high level, it indicates that the low voltage stored in the second register 18 and the output of the voltage detection circuit 13 are both the same high level, otherwise, the output is a low level. Thereby judging that the inputted voltage is compared with the voltage stored in the second register 18 to determine an output result, and transmitting the compared result to the power supply office server 6 through the first register 17.
In addition, the voltage level is stored in the first register 17, the input voltages V1 and V2 … … Vn can be obtained through the connection of the voltage level selector 11 and the first register 17, the first register 17 and the second register 18 are connected with the processor 15 through the data bus 19, and the voltage level and the low voltage value in the first register 17 and the second register 18 can be modified again through the processor 15.
The utility model discloses an among the implementation, voltage detection circuit 13 includes: the LED driving circuit comprises a first resistor R1, a second resistor R2, a third resistor R10, a fourth resistor R11, a voltage monitoring chip U1, a first triode Q1, a second triode Q2, a first light-emitting diode D6, a second light-emitting diode D7 and a working voltage VCC; one end of the first resistor R1 is connected to the output end of the multi-way switch selector 12, the other end of the first resistor R1 is connected to one end of the second resistor R2 and the input end of the voltage monitoring chip U1, the output end of the voltage monitoring chip U1 is connected to the base of the first triode Q1 and the base of the second triode Q2, the emitter of the first triode Q1 is connected to the anode of the second light emitting diode D7 through the third resistor R10, the collector of the second triode Q2 is connected to the cathode of the first light emitting diode D6, and the anode of the first light emitting diode D6 and the collector of the first triode Q1 are connected to the working voltage VCC through the fourth resistor R11; the other end of the second resistor R2, the cathode of the second light emitting diode D7, and the transmitter of the second transistor Q2 are grounded, and the output terminal of the voltage monitoring chip U1 is connected to an input terminal of the comparator 14.
Specifically, the model of the voltage monitoring chip U1 is AZ80, the first triode Q1 is NPN, and the second triode Q2 is PNP.
The receiving of AZ809 is to be detected, and when the input voltage is lower than a preset voltage value, such as 3.3V, the output signal of the output end is low level; otherwise, the output voltage is high. When the first triode Q1 is conducted, the D7 is lightened; otherwise, the second transistor Q2 is turned on and D6 is lit. In addition, the brightness of the light emitting diode can be adjusted through the adjustment of the resistance ratio of the third resistor R10 to the fourth resistor R11.
In a specific implementation, the multiplexer 12 is comprised of a multiplexer switch.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A fine management system for line loss of a public transformer area is characterized by comprising a transformer (1), a telegraph pole (2), a low-voltage line (4) on the telegraph pole (2) and low-voltage users (3); the low-voltage detection equipment (5) is mounted on the outlet end of the transformer (1), the branch point of the low-voltage line (4) and the branch line of the low-voltage line (4), and the low-voltage line (4) is connected to a low-voltage user (3);
the low voltage detection device (5) comprises: the device comprises a voltage grade selector (11), a multi-way switch selector (12), a voltage detection circuit (13), a comparator (14), a processor (15), a wireless transmission unit (16), a first register (17), a second register (18) and a data bus (19);
the output end of the voltage level selector (11) is connected with the input end of the multi-way switch selector (12), the output end of the multi-way switch selector (12) is connected with the input end of the voltage detection circuit (13), the output end of the voltage detection circuit (13) and the second register (18) are both connected with the input end of the comparator (14), the output end of the comparator (14) is connected with the processor (15), and the processor (15) is connected with the wireless transmission unit (16);
said first register (17) and said second register (18) being connected to said processor (15) via said data bus (19);
the wireless transmission unit (16) is in communication with a power supply office server (6).
2. The community area line loss refinement management system according to claim 1, characterized in that said voltage detection circuit (13) comprises: the LED driving circuit comprises a first resistor (R1), a second resistor (R2), a third resistor (R10), a fourth resistor (R11), a voltage monitoring chip (U1), a first triode (Q1), a second triode (Q2), a first light-emitting diode (D6), a second light-emitting diode (D7) and working Voltage (VCC);
one end of the first resistor (R1) is connected to an output end of the multi-way switch selector (12), the other end of the first resistor (R1) is connected to one end of the second resistor (R2) and an input end of the voltage monitoring chip (U1), an output end of the voltage monitoring chip (U1) is connected to a base of the first triode (Q1) and a base of the second triode (Q2), an emitter of the first triode (Q1) is connected to an anode of the second light emitting diode (D7) through the third resistor (R10), a collector of the second triode (Q2) is connected to a cathode of the first light emitting diode (D6), and an anode of the first light emitting diode (D6) is connected to the operating Voltage (VCC) through the fourth resistor (R11) and a collector of the first triode (Q1);
the other end of the second resistor (R2), the cathode of the second light emitting diode (D7) and the transmitter of the second triode (Q2) are grounded.
3. The community area line loss refinement management system of claim 2, characterized in that said voltage monitoring chip (U1) has a model AZ 809.
4. The community area line loss refinement management system of claim 2, wherein said first transistor (Q1) is NPN type and said second transistor (Q2) is PNP type.
5. The community area line loss refinement management system of claim 1, wherein the multi-way switch selector comprises a multi-way selector switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682294.0U CN210294415U (en) | 2018-10-17 | 2018-10-17 | Regional line loss fine management system of public transformer area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821682294.0U CN210294415U (en) | 2018-10-17 | 2018-10-17 | Regional line loss fine management system of public transformer area |
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| CN210294415U true CN210294415U (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077363A (en) * | 2018-10-18 | 2020-04-28 | 云南电网有限责任公司瑞丽供电局 | Platform district line loss meticulous analysis and management system |
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2018
- 2018-10-17 CN CN201821682294.0U patent/CN210294415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077363A (en) * | 2018-10-18 | 2020-04-28 | 云南电网有限责任公司瑞丽供电局 | Platform district line loss meticulous analysis and management system |
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