CN217404448U

CN217404448U - Modularized ultrasonic partial discharge sensor

Info

Publication number: CN217404448U
Application number: CN202123348165.2U
Authority: CN
Inventors: 张学勇
Original assignee: Baoding Xunlai Technology Co ltd
Current assignee: Baoding Xunlai Technology Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-09-09
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a modularization ultrasonic wave partial discharge sensor, which comprises a housing, the one end of casing sets up synchronous antenna, and the other end of casing sets up ground connection jack, USB interface and hangs the rope hole, and the bottom trompil of casing, downthehole embedding ultrasonic sensor, the inside of casing set up filter circuit, radio frequency shaping circuit, preamplifier module, AD collection module, data processing module and USB communication controller module. The modularized ultrasonic partial discharge sensor can directly process ultrasonic signals and then digitize the ultrasonic signals, and transmits digital signals to a processing center computer through a USB interface or a wireless network, so that the problem that analog signals are easily interfered in the transmission process is solved, and the modularized ultrasonic partial discharge sensor has the advantages of complete functions and good practicability.

Description

Modularized ultrasonic partial discharge sensor

Technical Field

The utility model relates to a power equipment technical field specifically is a modularization ultrasonic wave partial discharge sensor.

Background

When power equipment generates partial discharge, ultrasonic waves can be generated, signals are generally collected through an ultrasonic sensor, then the signals are transmitted to a partial discharge tester through a cable, the signals are collected after being filtered and amplified through the partial discharge tester, and a partial discharge test result is formed.

However, the cable requirements of the sensor are often high in the testing method, and especially when the field interference is serious, a large amount of signals are mixed into the ultrasonic signals, so that the testing result is interfered, and the testing result is inaccurate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modularization ultrasonic wave partial discharge sensor can be directly carry out the digitization after having handled ultrasonic signal to transmit digital signal to the processing center computer through USB interface or wireless network, thereby solve the problem that analog signal easily received the interference in the transmission course, have the advantage that the function is complete, the practicality is good, can solve the problem among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a modularization ultrasonic wave partial discharge sensor, includes the casing, the one end of casing sets up synchronous antenna, and the other end of casing sets up ground connection jack, USB interface and hanging rope hole, and the bottom trompil of casing imbeds ultrasonic sensor in the hole, and the inside of casing sets up filter circuit, radio frequency shaping circuit, preamplifier module, AD collection module, data processing module and USB communication controller module.

Preferably, the output end of the synchronous antenna is connected with the input end of the radio frequency shaping circuit, and the output end of the radio frequency shaping circuit is connected with the input end of the AD acquisition module.

Preferably, the output end of the ultrasonic sensor is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the preamplifier module, and the output end of the preamplifier module is connected with the input end of the AD acquisition module.

Preferably, the output end of the AD acquisition module is connected with the input end of the data processing module, and the output end of the data processing module is connected with the input end of the USB communication controller module.

Preferably, the USB communication controller module uploads data and downloads commands through a USB interface and a wireless network digital signal.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the modularized ultrasonic partial discharge sensor integrates an ultrasonic sensor, a filter circuit, a radio frequency shaping circuit, a preamplifier module, an AD acquisition module, a data processing module and a USB communication controller module into a whole to form a sensor with complete functions, so that the sensor can directly process ultrasonic signals and then digitize the ultrasonic signals, and transmits the digital signals to a processing center computer through a USB interface or a wireless network, thereby thoroughly solving the problem of interference in the process of transmitting analog signals.

Drawings

FIG. 1 is a front view of the housing of the present invention;

fig. 2 is an assembly view of the ultrasonic sensor of the present invention;

fig. 3 is a schematic diagram of the module system inside the casing of the present invention.

In the figure: 1. a housing; 2. a synchronous antenna; 3. a ground jack; 4. a USB interface; 5. a rope hanging hole; 6. an ultrasonic sensor; 7. a filter circuit; 8. a radio frequency shaping circuit; 9. a preamplifier module; 10. an AD acquisition module; 11. a data processing module; 12. and a USB communication controller module.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a modularized ultrasonic partial discharge sensor includes a housing 1, a synchronous antenna 2 is disposed at one end of the housing 1, a grounding jack 3, a USB interface 4 and a rope hanging hole 5 are disposed at the other end of the housing 1, an opening is formed in the bottom of the housing 1, an ultrasonic sensor 6 is embedded in the opening, a filter circuit 7, a radio frequency shaping circuit 8, a preamplifier module 9, an AD acquisition module 10, a data processing module 11 and a USB communication controller module 12 are disposed inside the housing 1.

The input of radio frequency shaping circuit 8 is connected to synchronous antenna 2's output, the input of AD collection module 10 is connected to radio frequency shaping circuit 8's output, the input of filter circuit 7 is connected to ultrasonic sensor 6's output, the input of preamplifier module 9 is connected to filter circuit 7's output, the input of AD collection module 10 is connected to preamplifier module 9's output, the input of data processing module 11 is connected to AD collection module 10's output, the input of USB communication controller module 12 is connected to data processing module 11's output.

In the above, the ultrasonic sensor 6 is configured to collect an ultrasonic signal, the filter circuit 7 is configured to filter the ultrasonic signal and only collect a signal near a center frequency of the sensor, the radio frequency shaping circuit 8 is configured to collect a synchronization signal received by the synchronization antenna 2, the preamplifier module 9 is configured to amplify the filtered ultrasonic signal, the AD collection module 10 is configured to complete digitization of an analog signal, and the data processing module 11 is configured to complete data caching, communication with a host, and control of other circuits.

Because the USB communication controller module 12 uploads data and downloads commands through the USB interface 4 and the wireless network digital signals, the problem of interference in the process of transmitting analog signals can be effectively solved.

This modularization ultrasonic wave partial discharge sensor, through with ultrasonic sensor 6, filter circuit 7, radio frequency shaping circuit 8, preamplifier module 9, AD acquisition module 10, data processing module 11 and USB communication controller module 12 integration as an organic whole, become a sensor that the function is complete for this sensor can directly carry out the digitization after ultrasonic signal handles, and transmit digital signal to the processing center computer through USB interface 4 or wireless network, and then thoroughly solve the interference problem of analog signal transmission in-process.

In summary, the following steps: the modularized ultrasonic partial discharge sensor can directly process ultrasonic signals and then digitize the ultrasonic signals, and transmits digital signals to a processing center computer through the USB interface 4 or a wireless network, so that the problem that analog signals are easily interfered in the transmission process is solved, and the modularized ultrasonic partial discharge sensor has the advantages of complete functions and good practicability, and can effectively solve the problems in the prior art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A modular ultrasonic partial discharge sensor comprising a housing (1), characterized in that: the intelligent wireless remote control device is characterized in that one end of the machine shell (1) is provided with a synchronous antenna (2), the other end of the machine shell (1) is provided with a grounding jack (3), a USB interface (4) and a rope hanging hole (5), the bottom of the machine shell (1) is provided with a hole, an ultrasonic sensor (6) is embedded in the hole, and the inside of the machine shell (1) is provided with a filter circuit (7), a radio frequency shaping circuit (8), a preamplifier module (9), an AD acquisition module (10), a data processing module (11) and a USB communication controller module (12).

2. A modular ultrasonic partial discharge sensor according to claim 1, wherein: the output end of the synchronous antenna (2) is connected with the input end of the radio frequency shaping circuit (8), and the output end of the radio frequency shaping circuit (8) is connected with the input end of the AD acquisition module (10).

3. A modular ultrasonic partial discharge sensor according to claim 1, wherein: the output end of the ultrasonic sensor (6) is connected with the input end of the filter circuit (7), the output end of the filter circuit (7) is connected with the input end of the preamplifier module (9), and the output end of the preamplifier module (9) is connected with the input end of the AD acquisition module (10).

4. A modular ultrasonic partial discharge sensor according to claim 1, wherein: the output end of the AD acquisition module (10) is connected with the input end of the data processing module (11), and the output end of the data processing module (11) is connected with the input end of the USB communication controller module (12).

5. A modular ultrasonic partial discharge sensor according to claim 1, wherein: and the USB communication controller module (12) uploads data and downloads commands through the USB interface (4) and wireless network digital signals.