CN210294396U

CN210294396U - Anti-electricity-stealing data acquisition instrument

Info

Publication number: CN210294396U
Application number: CN201822201976.1U
Authority: CN
Inventors: 潘楠; 钱俊兵; 彭用新
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-04-10
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses an anti-electricity-stealing data acquisition instrument, belonging to the field of anti-electricity-stealing, which comprises a sensor module, a data acquisition card, a control module, a gateway module, a communication module and a remote terminal, the sensor module comprises a current transformer for collecting current, a Hall voltage sensor, a power sensor and a phase detector, data acquisition card contain external memory, sensor interface circuit, sensor module install on waiting to survey the circuit, sensor module is connected with data acquisition card, data acquisition card is connected with control module, control module is connected with gateway module, gateway module is connected with communication module, remote terminal passes through communication module and is connected with control module, the utility model discloses a design multiple data sensor, realized that a data acquisition appearance just can collect the electricity-stealing data of various modes.

Description

Anti-electricity-stealing data acquisition instrument

Technical Field

The utility model belongs to anti-electricity-stealing field, more specifically the utility model relates to an anti-electricity-stealing data acquisition instrument that says so.

Background

The development of the power distribution network in China is in a rough disordered state for a long time, programming is lacked, randomness is high, equipment is left behind, load distribution is unreasonable, overload of a line and a distribution transformer is serious, mutual power supply capacity of the line is poor, line loss is biased, and voltage quality is low. In the face of deficient power resources, in the face of increasing power requirements, in the face of power construction which can be performed only by large capital investment, how to reasonably use limited power resources and how to realize maximum economic benefits becomes the focus of attention of society and vast power supply enterprises. The phenomenon of electricity stealing of users is increasingly serious, the line loss rate is increased year by year, the economic loss of the country and power supply enterprises is serious, the benefit is reduced, and the benefit is seriously damaged.

Common electricity stealing modes include under-current electricity stealing, under-voltage electricity stealing, neutral line and phase line adjusting electricity stealing, and zero-breaking electricity stealing. Most electricity stealing data acquisition instruments on the market at present can only acquire data of one type or data of the occurrence of partial type electricity stealing situations. Data acquisition of all types of electricity stealing modes cannot be completed, so that development of a data acquisition instrument capable of acquiring various types of electricity stealing modes is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a design sensor interface circuit 202 and the multiple type sensor collocation combination of data, can accomplish the data acquisition and the transmission of stealing the electricity type to various modes, need not install multiple electricity data acquisition appearance of stealing on electric power system the same before, practiced thrift the cost, reduced personnel's amount of labour.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the anti-electricity-stealing data acquisition instrument comprises a sensor module 1, a data acquisition card 2, a control module 3, a gateway module 4, a communication module 5 and a remote terminal 6, wherein the sensor module 1 is installed on a line to be tested, the sensor module 1 is connected with the data acquisition card 2, the data acquisition card 2 is connected with the control module 3, the control module 3 is connected with the gateway module 4, the gateway module 4 is connected with the communication module 5, and the remote terminal 6 is connected with the control module 3 through the communication module 5.

Preferably, the sensor module 1 includes a current transformer 101, a hall voltage sensor 102, a power sensor 103, and a phase detector 104 for collecting current, data collecting ends of the current transformer 101, the hall voltage sensor 102, the power sensor 103, and the phase detector 104 are all installed on a collected line, and output ends of the current transformer 101, the hall voltage sensor 102, the power sensor 103, and the phase detector 104 are connected to an input end of the data collecting card 2.

Preferably, the data acquisition card 2 comprises an external memory 201 and a sensor interface circuit 202; the output ends of the current transformer 101, the hall voltage sensor 102, the power sensor 103 and the phase detector 104 in the sensor module 1 are connected with a sensor interface circuit 202 in the data acquisition card 2, the output end of the interface circuit is connected with the input end of the control module 3, and the external memory 201 is connected with the control module 3.

The utility model discloses beneficial effect:

Drawings

FIG. 1 is a block diagram of the present invention;

in the figure, 1-a sensor module, 2-a data acquisition card, 3-a control module, 4-a gateway module, 5-a communication module, 6-a remote terminal, 101-a current transformer, 102-a Hall voltage sensor 102, 103-a power sensor, 104-a phase detector, 201-an external memory and 202-a sensor interface circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the embodiments of the present invention and the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the anti-electricity-stealing data acquisition instrument includes a sensor module 1, a data acquisition card 2, a control module 3, a gateway module 4, a communication module 5, and a remote terminal 6, wherein the sensor module 1 is installed on a line to be tested, the sensor module 1 is connected with the data acquisition card 2, the data acquisition card 2 is connected with the control module 3, the control module 3 is connected with the gateway module 4, the gateway module 4 is connected with the communication module 5, and the remote terminal 6 is connected with the control module 3 through the communication module 5. The sensor module 1 comprises a current transformer 101 for collecting current, a hall voltage sensor 102, a power sensor 103 and a phase detector 104. The data acquisition ends of the current transformer 101, the Hall voltage sensor 102, the power sensor 103 and the phase detector 104 are all arranged on an acquired line, and the output ends of the current transformer 101, the Hall voltage sensor 102, the power sensor 103 and the phase detector 104 are connected with the input end of the data acquisition card 2.

The current transformer 101 is used for detecting the current of the tested line, and when the current is stolen by undercurrent, the current of the tested line can be reduced; the Hall voltage sensor 102 is used for detecting the voltage of the line to be detected, and when under-voltage electricity stealing occurs, the voltage of the line to be detected is reduced; the power sensor 103 is used for detecting active power/reactive power and power factor of the tested line, and when the neutral line switching electricity stealing happens, the active power and the reactive power of the tested line can change; the phase detector 104 is used for detecting the phase of the line to be detected, and when phase line electricity stealing occurs, the phase of the line to be detected is changed; through the combination of the sensors, whether the electricity stealing phenomenon occurs on the tested line and what kind of electricity stealing type occurs can be judged through the conditions of collected current, voltage, active power, reactive power, power factor, phase change and the like.

The data acquisition card 2 comprises an external memory 201, a sensor interface circuit 202, wherein the output ends of a current transformer 101, a Hall voltage sensor 102, a power sensor 103 and a phase detector 104 in a sensor module 1 are connected with the sensor interface circuit 202 in the data acquisition card 2, the output end of the interface circuit is connected with the input end of a control module 3, and the external memory 201 is connected with the control module 3. The sensor interface circuit 202 has different types of interfaces, and can be externally connected with various sensors through different types of interface types, and then the signals of the various sensors are processed by shaping and conditioning circuits in the interface circuit, so that the purpose of converting the signals of different types into signals with unified standards and outputting the signals is achieved. The sensor interface circuitry 202 includes, but is not limited to, an analog interface, a digital interface, and an RS232 interface.

The external memory 201 is an external RAM memory and can store the collected data, and when the system is powered off and cannot transmit data through the communication module 5, the data collected by the power breaker is not lost due to power failure. The gateway module 4 is used for sending matching mark information to the remote terminal 6 when the gateway module 4 is in network communication, and when the mark information is matched, the time communication between the control module 3 and the remote terminal 6 can be established, so that the data transmission safety is ensured. The communication module 5 adopts a 4G wireless network communication module 5, and the control module 3 adopts an ATC89C52 series single chip microcomputer; the remote terminal 6 is a personal PC computer.

The utility model discloses the theory of operation: various sensors in the sensor module 1 are installed on a measured line, and the line is connected; a sensor in the sensor module 1 starts to collect data, the collected data line is conditioned and shaped into a unified data type through a data collection card 2 and is transmitted to the control module 3, the control module 3 transmits the received data to the external memory 201 for storage, then the control module 3 starts the gateway module 4, the gateway module 4 sends pairing information to the remote terminal 6 through the communication module 5, and after pairing is successful, the remote terminal 6 establishes communication with the control module 3 through the communication module 5; the control module 3 transmits the data stored in the external memory 201 to the remote terminal 6, and the staff can observe the current, voltage, phase, active power, reactive power and other parameters of the current tested line on the remote terminal 6, thereby judging whether the electricity stealing phenomenon occurs.

Finally, it is noted that the above preferred embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit, although the present invention has been described in detail through the above preferred embodiments, it should be understood by those skilled in the art that various changes in form and detail may be made thereto without departing from the scope of the present invention.

Claims

1. The utility model provides an anti-electricity-stealing data acquisition instrument which characterized by: the anti-electricity-stealing data acquisition instrument comprises a sensor module (1), a data acquisition card (2), a control module (3), a gateway module (4), a communication module (5) and a remote terminal (6), wherein the sensor module (1) is installed on a line to be detected, the sensor module (1) is connected with the data acquisition card (2), the data acquisition card (2) is connected with the control module (3), the control module (3) is connected with the gateway module (4), the gateway module (4) is connected with the communication module (5), and the remote terminal (6) is connected with the control module (3) through the communication module (5); the sensor module (1) comprises a current transformer (101) for collecting current, a Hall voltage sensor (102), a power sensor (103) and a phase detector (104), wherein data collecting ends of the current transformer (101), the Hall voltage sensor (102), the power sensor (103) and the phase detector (104) are all arranged on a collected line, and output ends of the current transformer (101), the Hall voltage sensor (102), the power sensor (103) and the phase detector (104) are connected with an input end of a data collecting card (2); the data acquisition card (2) comprises an external memory (201) and a sensor interface circuit (202); the output ends of a current transformer (101), a Hall voltage sensor (102), a power sensor (103) and a phase detector (104) in the sensor module (1) are connected with a sensor interface circuit (202) in the data acquisition card (2), the output end of the interface circuit is connected with the input end of the control module (3), and an external memory (201) is connected with the control module (3).