CN216595976U

CN216595976U - Transformer audio monitoring and early warning system

Info

Publication number: CN216595976U
Application number: CN202123362448.2U
Authority: CN
Inventors: 阮祺全
Original assignee: Fujian Shangfu Technology Co ltd
Current assignee: Fujian Shangfu Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-24
Anticipated expiration: 2031-12-29

Abstract

A transformer audio monitoring and early warning system relates to a transformer system. It contains audio sensor, audio frequency processing module, network controller, switch and audio frequency surveillance center, audio sensor passes through the optical cable and is connected with audio frequency processing module, and audio frequency processing module passes through the optical cable and is connected with network controller, and network controller passes through the optical cable and is connected with the switch, and the switch passes through the optical cable and is connected with audio frequency surveillance center, audio sensor contain adapter, shell, through-hole and sheath, the shell setting is in the adapter outside, and the through-hole is established on the shell, and just to the adapter right-hand member face, the sheath is established on the outside right-hand member face of shell. The utility model has the characteristics of the degree of integrating is high, with low costs, application scope is wide and stability is high, can make rapid, effectual judgement to the problem that the transformer appears, the expansion of the accident of avoiding.

Description

Transformer audio monitoring and early warning system

Technical Field

The utility model relates to a power grid power consumption safety technical field, concretely relates to transformer audio frequency control early warning system.

Background

The transformer always generates uniform hum due to mechanical vibration during operation, and the sound under normal operation has certain regularity. When a certain fault occurs in the equipment, the sound emitted by the equipment is changed along with the change of the running state. Whether the equipment is in an abnormal operation state or not can be judged through changes of audio characteristics such as tone color, volume, frequency and the like of sound, and even the type and the severity of a fault can be judged. At present in actual work, the operation personnel usually make the one end of insulating rod hug closely power equipment metal casing, listen the inside sound of giving out of equipment with the ear at the other end of insulating rod, judge equipment running state according to this. The method requires that experienced operators are near the transformer, the working efficiency and the judgment accuracy are low, and the method obviously does not meet the management requirement of the current transformer. Meanwhile, the operator needs to be close to the transformer frequently, and the danger is very high, so that the research significance for judging the working condition of the transformer through the audio frequency of the transformer is very high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and not enough, the utility model provides a transformer audio frequency control early warning system, it passes through the audio frequency sensor and gathers the audio signal of transformer, audio signal at first goes on including the filtering to the audio frequency through audio frequency processing module, analog-to-digital conversion, after the leading processing such as packing, audio data is carrying out the receiving and dispatching processing with the audio data of each difference through network controller, after that concentrate to send to audio monitoring center through the switch, audio data judges the audio frequency situation after through carrying out analysis processes at audio monitoring center, and then infer the transformer situation, this system has the system integration degree height, and is with low costs, wide and the high characteristics of stability of application scope.

In order to achieve the above purpose, the utility model adopts the following technical scheme: transformer audio frequency control early warning system, it contains audio sensor 1, audio frequency processing module 2, network controller 3, switch 4 and audio monitoring center 5, audio sensor 1 passes through optical cable 6 and is connected with audio frequency processing module 2, and audio frequency processing module 2 passes through optical cable 6 and is connected with network controller 3, and network controller 3 passes through optical cable 6 and is connected with switch 4, and switch 4 passes through optical cable 6 and is connected with audio monitoring center 5, audio sensor 1 contain adapter 11, shell 12, through-hole 13 and sheath 14, shell 12 sets up in the adapter 11 outside, and through-hole 13 is established on shell 12, and just to adapter 11 right-hand member face, sheath 14 is established on the outside right-hand member face of shell 12.

Further, the audio processing module 2 includes a filtering and amplifying module 21, an analog-to-digital conversion module 22, and a data packing module 23.

Further, the network controller 3 includes a data transceiving module 31.

Further, the switch 4 includes a data forwarding module 41.

Further, the audio monitoring center 5 includes an audio analysis module 51 and a human-computer interaction module 52.

The utility model discloses a theory of operation:

when the utility model is used, firstly, the audio sensor 1 is placed on the corresponding position of the transformer, meanwhile, a plurality of transformers can be arranged in different transformer substations, the audio data on the transformer is collected by the audio sensor 1, then the collected audio data is sent to the audio processing module 2 through the optical cable 6, the audio data is filtered, converted to analog and packaged, then the audio data is sent to the network controller 3 through the optical cable 6, the audio data is further sent to the exchanger 4 through the optical cable 6 by the data receiving and sending module 31 of the network controller 3, the audio data is concentrated by the exchanger 4 and then sent to the audio monitoring center 5 through the optical cable 6, the audio signal passes through the audio analysis module 51 at the audio monitoring center 5, the characteristic value is extracted, the audio data is compared and judged with the audio database, when the current audio characteristic value can not be identified by the audio database, namely, the audio is abnormal, the transformer is in failure, and then alarm information is sent out.

After the technical scheme is adopted, the utility model discloses beneficial effect does:

1. the utility model discloses an audio sensor gathers the audio signal of transformer, audio signal at first carries out including the filtering to the audio frequency through audio frequency processing module, analog-to-digital conversion, after the preprocess such as packing, audio data is carrying out the receiving and dispatching processing with each different audio data through network controller, then send to the audio monitoring center through the switch is concentrated, audio data judges the audio frequency situation after through carrying out analysis processes at the audio monitoring center, and then infer the transformer situation, this system has the system and integrates the degree height, with low costs, application scope is wide and high characteristics such as stability, can make rapidly, effectual judgement to the problem that the transformer appears, the expansion of the accident of avoiding;

2. the utility model discloses a set up the pollution that the shell has effectively protected the adapter by external substance in audio sensor's the outside, set up the sheath in its through-hole outside simultaneously, effectively blockked the invasion of external dust promptly, also alleviateed the influence that equipment vibrations caused, effectively improved transformer audio frequency collection quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is a system diagram of the middle audio processing module 2 according to the present invention.

Fig. 3 is a system schematic diagram of the network controller 3 according to the present invention.

Fig. 4 is a system diagram of the switch 4 of the present invention.

Fig. 5 is a system schematic diagram of the middle audio monitoring center 5 of the present invention.

Fig. 6 is a schematic structural diagram of the middle audio sensor 1 of the present invention.

Description of reference numerals: the system comprises an audio sensor 1, a sound pick-up 11, a shell 12, a through hole 13, a sheath 14, an audio processing module 2, a filtering and amplifying module 21, an analog-to-digital conversion module 22, a data packing module 23, a network controller 3, a data receiving and transmitting module 31, a switch 4, a data forwarding module 41, an audio monitoring center 5, an audio analysis module 51, a man-machine interaction module 52 and an optical cable 6.

Detailed Description

Referring to fig. 1 to 6, the technical solution adopted by the present embodiment is: it contains four audio sensor 1, two audio frequency processing module 2, a network controller 3, a switch 4 and an audio frequency surveillance center 5, audio sensor 1 passes through optical cable 6 and is connected with audio frequency processing module 2, and audio frequency processing module 2 passes through optical cable 6 and is connected with network controller 3, and network controller 3 passes through optical cable 6 and is connected with switch 4, and switch 4 passes through optical cable 6 and is connected with audio frequency surveillance center 5, audio sensor 1 contain adapter 11, shell 12, through-hole 13 and sheath 14, shell 12 is metal casing, and shell 12 sets up in the adapter 11 outside, and through-hole 13 is established on shell 12, and just to adapter 11 right-hand member face, sheath 14 is established on the outside right-hand member face of shell 12, and sheath 14 is the sponge sheath.

The audio processing module 2 comprises a filtering and amplifying module 21, an analog-to-digital conversion module 22 and a data packing module 23, wherein the filtering and amplifying module 21 is used for filtering impurity signals in audio signals, the analog-to-digital conversion module 22 is used for converting analog signals of the audio signals into digital signals, and the data packing module 23 is used for packing the data.

The network controller 3 comprises a data transceiving module 31, and the data transceiving module 3 is used for receiving and transmitting data packets.

The switch 4 comprises a data forwarding module 41.

The audio monitoring center 5 comprises an audio analysis module 51 and a human-computer interaction module 52.

In this embodiment, firstly, the audio sensor 1 is placed at a corresponding position of the transformer, and a plurality of transformers are distributed in different substations, audio data on the transformer is collected by the audio sensor 1, then the collected audio data is sent to the audio processing module 2 through the optical cable 6, the audio data is subjected to filtering processing, analog-to-digital conversion and packaging processing, then the audio data is sent to the network controller 3 through the optical cable 6, the audio data is further sent to the switch 4 through the optical cable 6 by the data receiving and sending module 31 of the network controller 3, the audio data is concentrated by the switch 4 and then sent to the audio monitoring center 5 through the optical cable 6, the audio signal passes through the audio analysis module 51 at the audio monitoring center 5 to extract a characteristic value thereof, and the characteristic value is compared and judged with the audio database, when the audio database cannot identify the current audio characteristic value, namely, the audio is abnormal, the transformer is in failure, and then alarm information is sent out.

After adopting above-mentioned technical scheme, this embodiment beneficial effect does:

1. in the embodiment, the audio signal of the transformer is acquired through the audio sensor, the audio signal is subjected to preprocessing such as filtering, analog-to-digital conversion and packaging through the audio processing module, the audio data is subjected to transceiving processing on different audio data through the network controller, and then the audio data is intensively transmitted to the audio monitoring center through the switch, the audio data is analyzed and processed in the audio monitoring center to judge the audio condition, and further the transformer condition is deduced, the system has the characteristics of high system integration degree, low cost, wide application range, high stability and the like, the problems of the transformer can be quickly and effectively judged, and the avoided accidents are enlarged;

2. this embodiment has effectively protected the adapter by foreign matter's pollution through set up the shell in audio sensor's the outside, sets up the sheath in its through-hole outside simultaneously, has effectively blockked the invasion of external dust promptly, has also alleviateed the influence that equipment vibrations caused, has effectively improved transformer audio frequency collection quality.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. Transformer audio frequency control early warning system, its characterized in that: it comprises an audio sensor (1), an audio processing module (2), a network controller (3), a switch (4) and an audio monitoring center (5), the audio sensor (1) is connected with the audio processing module (2) through an optical cable (6), the audio processing module (2) is connected with the network controller (3) through the optical cable (6), the network controller (3) is connected with the switch (4) through the optical cable (6), the switch (4) is connected with the audio monitoring center (5) through the optical cable (6), the audio sensor (1) comprises a sound pick-up (11), a shell (12), a through hole (13) and a sheath (14), wherein the shell (12) is arranged at the outer side of the sound pick-up (11), the through hole (13) is arranged on the shell (12), and is right opposite to the right end surface of the sound collector (11), and a sheath (14) is arranged on the outer right end surface of the shell (12).

2. The transformer audio monitoring and early warning system of claim 1, wherein: the audio processing module (2) comprises a filtering and amplifying module (21), an analog-to-digital conversion module (22) and a data packaging module (23).

3. The transformer audio monitoring and early warning system of claim 1, wherein: the network controller (3) comprises a data receiving and transmitting module (31).

4. The transformer audio monitoring and early warning system of claim 1, wherein: the switch (4) comprises a data forwarding module (41).

5. The transformer audio monitoring and early warning system of claim 1, wherein: the audio monitoring center (5) comprises an audio analysis module (51) and a man-machine interaction module (52).