CN213337880U - Dry-type transformer Internet of things sensor integrating ultrahigh frequency and ultrasonic technology - Google Patents
Dry-type transformer Internet of things sensor integrating ultrahigh frequency and ultrasonic technology Download PDFInfo
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- CN213337880U CN213337880U CN202022128691.7U CN202022128691U CN213337880U CN 213337880 U CN213337880 U CN 213337880U CN 202022128691 U CN202022128691 U CN 202022128691U CN 213337880 U CN213337880 U CN 213337880U
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Abstract
The utility model relates to a partial discharge research technical field of dry-type transformer, and disclose a dry-type transformer thing networking sensor of integrated superfrequency and ultrasonic technology, including dry-type transformer thing networking sensor, switch and computer, dry-type transformer thing networking sensor comprises ultrasonic sensor module, superfrequency module, circuit board, shell, joint, data acquisition and processing module, energy-taking module and communication module, and this dry-type transformer thing networking sensor of integrated superfrequency and ultrasonic technology, through adopting contactless mounting means, simple to operate has solved the puzzlement that implementation dry-type transformer partial discharge on-line monitoring needs the power failure, still integrates superfrequency and ultrasonic detection technique in an organic whole, can cover the insulating defect problem more than monitoring dry-type transformer 80%, fuses wireless or limited communication, The intelligent networking technology realizes the application of the Internet of things level.
Description
Technical Field
The utility model relates to a partial discharge research technical field of dry-type transformer specifically is a dry-type transformer thing networking sensor of integrated superfrequency and ultrasonic wave technique.
Background
The partial discharge is used as an important characteristic parameter for evaluating the insulation degradation of the dry-type transformer, and plays a very key role in timely discovering latent insulation faults in the transformer and preventing sudden accidents.
At present, it is common to fix an electromagnetic sensor on a high-voltage cable terminal of a dry-type transformer, and to characterize a partial discharge state of the transformer through partial discharge of the cable. However, in the practical application process, the electromagnetic sensor has poor application effect due to low sensing performance and short receiving distance. Meanwhile, the electromagnetic sensor can be fixed to the high-voltage cable terminal only when power is cut off, and certain trouble is brought to online monitoring implementation.
SUMMERY OF THE UTILITY MODEL
Technical scheme
For the puzzlement that has solved implementation dry-type transformer partial discharge on-line monitoring needs to have a power failure above-mentioned, simple to operate purpose, the utility model provides a following technical scheme: the utility model provides an integrated superfrequency and ultrasonic technology's dry-type transformer thing networking sensor, includes dry-type transformer thing networking sensor, switch and computer, dry-type transformer thing networking sensor comprises ultrasonic sensing module, superfrequency module, circuit board, shell, joint, data acquisition and processing module, energy-taking module and communication module.
Preferably, the ultrasonic sensing module and the ultrahigh frequency module are both connected to the circuit board through internal connecting wires.
Preferably, the circuit board is in signal connection with the switch through a connector.
Preferably, the dry-type transformer internet of things sensor is in signal connection with the computer through the network cable and the switch.
Advantageous effects
Compared with the prior art, the utility model provides an integrated superfrequency and ultrasonic technology's dry-type transformer thing networking sensor possesses following beneficial effect:
this integration superfrequency and ultrasonic technology's dry-type transformer thing networking sensor through adopting contactless mounting means, simple to operate has solved the puzzlement that implementation dry-type transformer partial discharge on-line monitoring needs the power failure, still integrates superfrequency and ultrasonic detection technique in an organic whole, can cover the insulation defect problem of monitoring dry-type transformer more than 80%, fuses wireless or limited communication, intelligent network deployment technique, realizes the application of thing networking level.
Drawings
Fig. 1 is an installation schematic diagram of the internet of things sensor of the dry-type transformer of the utility model;
fig. 2 is the utility model discloses dry-type transformer thing networking sensor appearance structure picture.
In the figure: the system comprises a 1-dry type transformer Internet of things sensor, a 2-switch, a 3-computer, a 4-ultrasonic sensing module, a 5-ultrahigh frequency module, a 6-circuit board, a 7-shell and an 8-connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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.
Referring to fig. 1-2, a dry type transformer internet of things sensor integrating ultrahigh frequency and ultrasonic technology comprises a dry type transformer internet of things sensor 1, an exchanger 2 and a computer 3, wherein the dry type transformer internet of things sensor 1 is composed of an ultrasonic sensing module 4, an ultrahigh frequency module 5, a circuit board 6, a shell 7, a connector 8, a data acquisition and processing module, an energy acquisition module and a communication module, the dry type transformer internet of things sensor 1 adopts ultrahigh frequency and ultrasonic technology to monitor, diagnose and position partial discharge signals of the dry type transformer, 1500MHz ultrahigh frequency antennas are embedded in the ultrasonic sensing module 4 and the ultrahigh frequency module 5 respectively to receive electromagnetic wave signals in the air, 40kHz ultrasonic receivers are embedded in the ultrasonic sensing module 4 and the ultrahigh frequency module 5 respectively to receive ultrasonic signals in the air, and the data acquisition and processing module, can carry out filtering, enlargies, analog-to-digital conversion etc. to the signal of receiving, get and to expect that the module can adopt alternating current-direct current power supply, POE power supply and battery powered, common communication modes such as wired POE, wireless WIFI and LORA can be adopted to communication module.
Wherein, preferably, the ultrasonic sensing module 4 and the ultrahigh frequency module 5 are both connected to the circuit board 6 through internal connecting wires.
The circuit board 6 is preferably signal-connected to the switch 2 via a connector 8.
Preferably, the dry-type transformer internet of things sensor 1 is in signal connection with the computer 3 through the network cable and the switch 2, the dry-type transformer internet of things sensor 1 is symmetrically arranged on the high-voltage side and the low-voltage side of the dry-type transformer, data are transmitted to the computer 3 through the switch 2 in a network cable or wireless mode, the computer 3 analyzes and displays the received signals, and the positioning of the partial discharge signals can be realized by using a time difference method.
The utility model discloses a theory of operation and use flow: the dry type transformer Internet of things sensor 1 is respectively arranged on the high-voltage side and the low-voltage side of a dry type transformer, and is arranged on a dry type transformer protection fence or a protection box body in a non-contact monitoring mode, an electromagnetic wave signal and an ultrasonic wave signal are laid in the air by a partial discharge signal generated by the dry type transformer, and the signals can be obtained by utilizing the ultrasonic wave and the ultrahigh frequency antenna arranged in the sensor, so that the partial discharge is detected and analyzed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an integrated superfrequency and ultrasonic wave technique's dry-type transformer thing networking sensor, includes dry-type transformer thing networking sensor (1), switch (2) and computer (3), its characterized in that: the dry-type transformer Internet of things sensor (1) is composed of an ultrasonic sensing module (4), an ultrahigh frequency module (5), a circuit board (6), a shell (7), a connector (8), a data acquisition and processing module, an energy acquisition module and a communication module.
2. The sensor of the internet of things of a dry-type transformer integrating ultrahigh frequency and ultrasonic technology as claimed in claim 1, wherein: the ultrasonic sensing module (4) and the ultrahigh frequency module (5) are connected to the circuit board (6) through internal connecting wires.
3. The sensor of the internet of things of a dry-type transformer integrating ultrahigh frequency and ultrasonic technology as claimed in claim 1, wherein: the circuit board (6) is in signal connection with the switch (2) through a connector (8).
4. The sensor of the internet of things of a dry-type transformer integrating ultrahigh frequency and ultrasonic technology as claimed in claim 1, wherein: the dry-type transformer Internet of things sensor (1) is in signal connection with the switch (2) and the computer (3) through network cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128691.7U CN213337880U (en) | 2020-09-24 | 2020-09-24 | Dry-type transformer Internet of things sensor integrating ultrahigh frequency and ultrasonic technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128691.7U CN213337880U (en) | 2020-09-24 | 2020-09-24 | Dry-type transformer Internet of things sensor integrating ultrahigh frequency and ultrasonic technology |
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| Publication Number | Publication Date |
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| CN213337880U true CN213337880U (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022128691.7U Active CN213337880U (en) | 2020-09-24 | 2020-09-24 | Dry-type transformer Internet of things sensor integrating ultrahigh frequency and ultrasonic technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625134A (en) * | 2021-08-06 | 2021-11-09 | 国网山西省电力公司太原供电公司 | Portable ultrahigh frequency and ultrasonic wave integrated monitoring device for transformer |
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2020
- 2020-09-24 CN CN202022128691.7U patent/CN213337880U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113625134A (en) * | 2021-08-06 | 2021-11-09 | 国网山西省电力公司太原供电公司 | Portable ultrahigh frequency and ultrasonic wave integrated monitoring device for transformer |
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