CN211402560U - Thing allies oneself with type low-voltage apparatus monitor terminal - Google Patents
Thing allies oneself with type low-voltage apparatus monitor terminal Download PDFInfo
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- CN211402560U CN211402560U CN201921119707.9U CN201921119707U CN211402560U CN 211402560 U CN211402560 U CN 211402560U CN 201921119707 U CN201921119707 U CN 201921119707U CN 211402560 U CN211402560 U CN 211402560U
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Abstract
The utility model relates to the technical field of low-voltage power distribution, and discloses an internet of things type low-voltage equipment monitoring terminal, which is used for recording fault waveforms and realizing the sufficient analysis of fault characteristics; the utility model discloses a method includes the signal acquisition unit that is used for gathering the operation data information of the low-voltage apparatus to be measured, and sends to the data processing module; the data processing module is used for receiving and judging whether the low-voltage equipment to be tested breaks down according to the operation data information, and sending the waveform of the electric quantity corresponding to the fault to the wave recording module when the low-voltage equipment breaks down; the wave recording module is used for storing the waveforms of the electric quantities before and after the fault from the data processing module; the communication unit is used for transmitting the operation data and the fault recording data of the low-voltage electrical equipment to the background system in different communication modes according to the construction conditions of the communication channel; the data processing module is respectively connected with the signal acquisition unit, the wave recording module and the communication unit.
Description
Technical Field
The utility model relates to a low voltage distribution technical field especially relates to a thing allies oneself with type low-voltage apparatus monitor terminal.
Background
The low-voltage electrical equipment is an important component of the low-voltage distribution network, and information data collected by the low-voltage electrical equipment needs to be uploaded to a background system for data analysis along with the deepening of fine operation and maintenance management work of the distribution network. However, the existing low-voltage equipment monitoring terminal usually only detects real-time electrical quantity and uploads the real-time electrical quantity to a background system, a tracing function for historical data of fault waveforms is lacked, rich fault information stored in the fault waveforms cannot be obtained, and fault characteristic analysis is not facilitated. Meanwhile, the installation and use occasions of the low-voltage equipment monitoring terminal are variable, the construction conditions of communication channels are different, the reliable uploading of the electric quantity to a background system under various application scenes cannot be guaranteed, and the development requirement of the power internet of things is difficult to meet.
Therefore, how to record the fault waveform and realize the sufficient analysis of the fault characteristics becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an thing allies oneself with type low-voltage apparatus monitor terminal to record trouble waveform, realize the abundant analysis to the trouble characteristic.
In order to achieve the above object, the utility model provides an thing allies oneself with type low-voltage apparatus monitor terminal, include:
the signal acquisition unit is used for acquiring the operation data information of the low-voltage equipment to be detected and sending the operation data information to the data processing module;
the data processing module is used for receiving the operation data information from the signal acquisition unit, judging whether the low-voltage equipment to be tested has a fault according to the operation data information, and sending the waveform of the electric quantity corresponding to the fault to the wave recording module when the fault occurs;
the wave recording module is used for storing the waveforms of the electrical quantities before and after the fault from the data processing module;
the communication unit is used for transmitting the operation data and the fault recording data of the low-voltage electrical equipment to the background system in different communication modes according to the construction conditions of the communication channel;
the data processing module is respectively connected with the signal acquisition unit, the wave recording module and the communication unit.
Preferably, the signal acquisition unit includes an analog-to-digital converter and at least one path of data sampling circuit, the analog-to-digital conversion module is connected with the data processing module, and the data sampling circuit is connected with the analog-to-digital conversion module.
Preferably, the data sampling circuit comprises an on-board micro PT/CT, a signal conditioning circuit connected with the on-board micro PT/CT, and a sample and hold circuit connected with the signal conditioning circuit, wherein the input end of the on-board micro PT/CT is connected with an external voltage transformer or current transformer, and the output end of the sample and hold circuit is connected with the analog-to-digital conversion module.
Preferably, the monitoring terminal further comprises a power module, an input end of the power module is connected with an external power supply, and an output end of the power module is connected with the signal acquisition unit, the data processing module and the communication unit.
Preferably, the monitoring terminal further comprises a human-computer interaction unit, and the human-computer interaction unit is connected with the data processing module.
Preferably, the communication unit specifically includes:
the combination of several kinds arbitrary in RS485 communication module, Lora communication module, 4G module, power line carrier module, WIFI module, ethernet module, the CAN module, each module respectively with data processing module links to each other, and each module links to each other with the low pressure electrical equipment communication interface that has the same communication mode respectively according to the kind of communication mode.
The utility model discloses following beneficial effect has:
the utility model provides a thing allies oneself with type low-voltage apparatus monitor terminal, including signal acquisition unit, data processing module, record ripples module and communication unit, wherein, data processing module links to each other with signal acquisition unit, record ripples module and communication unit respectively. The utility model discloses a thing allies oneself with type low-voltage apparatus monitor terminal can realize the fault waveform record through filtering module, is convenient for fully excavate the fault information in the fault waveform, realizes the abundant analysis to the fault signature.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of an internet of things type low-voltage device monitoring terminal according to a preferred embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1, the present embodiment provides an internet of things type low-voltage device monitoring terminal, including:
the signal acquisition unit is used for acquiring the operation data information of the low-voltage equipment to be detected and sending the operation data information to the data processing module;
the data processing module is used for receiving the operation data information from the signal acquisition unit, judging whether the low-voltage equipment to be tested breaks down or not according to the operation data information, and sending the waveform of the electric quantity corresponding to the fault to the wave recording module when the low-voltage equipment breaks down;
the wave recording module is used for storing the waveforms of the electric quantities before and after the fault from the data processing module;
the communication unit is used for transmitting the operation data and the fault recording data of the low-voltage electrical equipment to the background system in different communication modes according to the construction conditions of the communication channel;
the data processing module is respectively connected with the signal acquisition unit, the wave recording module and the communication unit. In this embodiment, the waveform of the electrical quantity within the set time before and after the fault from the data processing module is stored in the recording module, which facilitates the analysis of the fault data afterwards and the search for new fault characteristics.
As a preferred implementation manner of this embodiment, the signal acquisition unit includes an analog-to-digital converter and at least one data sampling circuit, the analog-to-digital conversion module is connected to the data processing module, and the data sampling circuit is connected to the analog-to-digital conversion module.
As a preferable implementation mode of the embodiment, the data sampling circuit comprises an on-board micro PT/CT, a signal conditioning circuit connected with the on-board micro PT/CT, and a sampling and holding circuit connected with the signal conditioning circuit, wherein the input end of the on-board micro PT/CT is connected with an external voltage transformer (PT) or a Current Transformer (CT), and the output end of the sampling and holding circuit is connected with the analog-to-digital conversion module. The conditioning circuit in the embodiment achieves the purposes of amplifying the detection signal and filtering the interference signal by integrating the operational amplifier.
As a preferred implementation manner of this embodiment, the monitoring terminal further includes a power module, an input end of the power module is connected to an external power supply, and an output end of the power module is connected to the signal acquisition unit, the data processing module, and the communication unit.
As a preferred implementation manner of this embodiment, the monitoring terminal further includes a human-computer interaction unit, and the human-computer interaction unit is connected to the data processing module.
As a preferred implementation manner of this embodiment, the communication unit specifically includes:
the combination of several kinds wantonly in RS485 communication module, Lora communication module, 4G module, power carrier module, WIFI module, ethernet module, the CAN module, each module links to each other with data processing module respectively, and each module links to each other with the low pressure electrical equipment communication interface that has the same communication mode respectively according to the kind of communication mode. In the embodiment, a plurality of different communication modules are arranged, so that a data transmission mode of the background system can be selected according to different communication channel construction conditions, and the method is convenient to use and flexible to set. It should be noted that, in the present embodiment, the communication channel establishment condition includes, but is not limited to, whether there is an available public network such as 4G, WIFI, ethernet, or ad hoc network.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an thing allies oneself with type low-voltage apparatus monitor terminal which characterized in that includes:
the signal acquisition unit is used for acquiring the operation data information of the low-voltage equipment to be detected and sending the operation data information to the data processing module;
the data processing module is used for receiving the operation data information from the signal acquisition unit, judging whether the low-voltage equipment to be tested has a fault according to the operation data information, and sending the waveform of the electric quantity corresponding to the fault to the wave recording module when the fault occurs;
the wave recording module is used for storing the waveform of the electrical quantity within the set time before and after the fault from the data processing module;
the communication unit is used for transmitting the operation data and the fault recording data of the low-voltage electrical equipment to the background system in different communication modes according to the construction conditions of the communication channel;
the data processing module is respectively connected with the signal acquisition unit, the wave recording module and the communication unit.
2. The monitoring terminal for the internet of things type low-voltage equipment according to claim 1, wherein the signal acquisition unit comprises an analog-to-digital conversion module and at least one path of data sampling circuit, the analog-to-digital conversion module is connected with the data processing module, and the data sampling circuit is connected with the analog-to-digital conversion module.
3. The Internet of things type low-voltage equipment monitoring terminal as claimed in claim 2, wherein the data sampling circuit comprises an on-board micro PT/CT, a signal conditioning circuit connected with the on-board micro PT/CT, and a sample-and-hold circuit connected with the signal conditioning circuit, wherein an input end of the on-board micro PT/CT is connected with an external voltage transformer or current transformer, and an output end of the sample-and-hold circuit is connected with the analog-to-digital conversion module.
4. The monitoring terminal of the internet of things type low-voltage equipment as claimed in claim 1, further comprising a power module, wherein an input end of the power module is connected with an external power supply, and an output end of the power module is connected with the signal acquisition unit, the data processing module and the communication unit.
5. The monitoring terminal for the internet of things type low-voltage equipment according to claim 1, further comprising a human-computer interaction unit, wherein the human-computer interaction unit is connected with the data processing module.
6. The monitoring terminal for the internet of things type low-voltage equipment according to claim 1, wherein the communication unit specifically comprises:
the combination of several kinds arbitrary in RS485 communication module, Lora communication module, 4G module, power line carrier module, WIFI module, ethernet module, the CAN module, each module respectively with data processing module links to each other, and each module links to each other with the low pressure electrical equipment communication interface that has the same communication mode respectively according to the kind of communication mode.
7. The internet of things type low voltage device monitoring terminal of claim 1, wherein the operational data comprises voltage data and current data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119707.9U CN211402560U (en) | 2019-07-16 | 2019-07-16 | Thing allies oneself with type low-voltage apparatus monitor terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119707.9U CN211402560U (en) | 2019-07-16 | 2019-07-16 | Thing allies oneself with type low-voltage apparatus monitor terminal |
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| CN211402560U true CN211402560U (en) | 2020-09-01 |
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| CN201921119707.9U Active CN211402560U (en) | 2019-07-16 | 2019-07-16 | Thing allies oneself with type low-voltage apparatus monitor terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243780A (en) * | 2019-07-16 | 2019-09-17 | 国网湖南省电力有限公司 | A kind of Internet of Things type power transformer environment monitoring device |
| CN110244153A (en) * | 2019-07-16 | 2019-09-17 | 国网湖南省电力有限公司 | A kind of Internet of Things type low-voltage equipment monitoring terminal |
| CN115297121A (en) * | 2022-10-08 | 2022-11-04 | 湖南易净环保科技有限公司 | Visual processing method and system for cloud-edge cooperative intelligent water affair platform |
-
2019
- 2019-07-16 CN CN201921119707.9U patent/CN211402560U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243780A (en) * | 2019-07-16 | 2019-09-17 | 国网湖南省电力有限公司 | A kind of Internet of Things type power transformer environment monitoring device |
| CN110244153A (en) * | 2019-07-16 | 2019-09-17 | 国网湖南省电力有限公司 | A kind of Internet of Things type low-voltage equipment monitoring terminal |
| CN115297121A (en) * | 2022-10-08 | 2022-11-04 | 湖南易净环保科技有限公司 | Visual processing method and system for cloud-edge cooperative intelligent water affair platform |
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