CN220289739U - 485-based transformer capacity judging instrument - Google Patents
485-based transformer capacity judging instrument Download PDFInfo
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- CN220289739U CN220289739U CN202320938571.4U CN202320938571U CN220289739U CN 220289739 U CN220289739 U CN 220289739U CN 202320938571 U CN202320938571 U CN 202320938571U CN 220289739 U CN220289739 U CN 220289739U
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- transformer capacity
- circuit breaker
- control terminal
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- 230000006855 networking Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a 485-based transformer capacity judging instrument, and belongs to the technical field of transformer capacity detection. The circuit breaker is connected with the data acquisition device in series on a circuit. According to the utility model, the acquisition standard value is set according to the acquired 485 data, and the load is broken according to the numerical alarm.
Description
Technical Field
The utility model provides a 485-based transformer capacity judging instrument, and belongs to the technical field of transformer capacity detection.
Background
The energy saving and loss reduction is one of the development directions of the intelligent power grid, the power transformer is used as the most important power transmission and distribution equipment of the power system, and the important tasks of voltage conversion, current conversion, power transmission and the like in the power system are carried, so that the quality of the working performance of the power transformer is directly related to the operation index of the whole power system. And various technical parameters such as the no-load current, the short-circuit impedance, the no-load loss, the load loss and the like of the power transformer determine the operation performance.
However, in actual work, due to lack of capacity detection specifications, the electricity utilization department cannot effectively confirm the existing partial transformer capacity detection results, which may cause a small number of power users to change the nameplate capacity of the distribution transformer to small capacity for less basic electricity charge;
when the large capacity replaces the small capacity, the damage such as misalignment of metering precision, loss of basic electricity charge, potential safety hazard of lines, great harm and great hidden danger to control the load can be brought.
Disclosure of Invention
The utility model aims to provide a 485-based transformer capacity judging instrument capable of overcoming the defects, wherein the 485-based transformer capacity judging instrument is used for setting an acquisition standard value according to acquired 485 data and carrying out load interruption according to numerical alarm.
In order to achieve the purpose, the 485-based transformer capacity judging instrument comprises a control terminal, wherein one side of the control terminal is connected with a data acquisition device, the other side of the control terminal is connected with a circuit breaker, and the circuit breaker and the data acquisition device are connected in series on a circuit.
Further, the control terminal is connected with the server.
Further, the control terminal comprises a single chip microcomputer, the single chip microcomputer acquires data of the 485 communication module and is connected with the server through a networking module, the single chip microcomputer is further connected with a circuit breaker control module, and the circuit breaker control module is connected with the circuit breaker.
Further, 485 communication module and data acquisition device interaction data.
Further, a power module for supplying power to the control terminal is also provided.
The beneficial effects are that:
the utility model adopts a mode of directly obtaining 485 data, and accurately judges the operation safety condition of the transformer through the connection of the singlechip and the server, and then further measures are taken.
Drawings
FIG. 1 is a block diagram of the structure of the present utility model;
Detailed Description
Example 1
The utility model discloses a 485-based transformer capacity judging instrument which comprises a control terminal, wherein one side of the control terminal is connected with a data acquisition device, the other side of the control terminal is connected with a circuit breaker, and the circuit breaker and the data acquisition device are connected in series on a circuit.
The control terminal is connected with the server. The server has a control terminal receiving function, a data analysis function, a device abnormality alarm function and a device parameter setting function, and can send information to the mobile phone app and the WeChat.
The control terminal comprises a singlechip, the singlechip acquires data of a 485 communication module and is connected with the server through a networking module, the singlechip is also connected with a circuit breaker control module, and the circuit breaker control module is connected with a circuit breaker.
485 communication module and data acquisition device interaction data.
And a power supply module for supplying power to the control terminal is also arranged.
Parameters such as transformer capacity, wire diameter and the like are input into a server in advance, an alarm value is set, a data acquisition device generally adopts an electric energy meter, the electric energy meter transmits data such as voltage, current, power and the like to a singlechip through a 485 communication module, the singlechip can adopt a MICROCHIP (micro-core in the United states) 8-bit MCU singlechip or an AT83C51RC2WPA-RLTUM ATMEL singlechip, the singlechip is used for connecting and communicating the data with the server through a networking module, the data is compared with the previously set standard value of the transformer capacity, and then an alarm is given out to turn-off signals.
Claims (5)
1. The utility model provides a transformer capacity decision instrument based on 485, its characterized in that includes control terminal, control terminal one side is connected with data acquisition device, and the opposite side is connected with the circuit breaker, circuit breaker and data acquisition device establish ties on the circuit.
2. The 485-based transformer capacity determination device according to claim 1, wherein the control terminal is connected with a server.
3. The 485-based transformer capacity judging instrument according to claim 2, wherein the control terminal comprises a single chip microcomputer, the single chip microcomputer acquires data of a 485 communication module and is connected with a server through a networking module, the single chip microcomputer is further connected with a circuit breaker control module, and the circuit breaker control module is connected with a circuit breaker.
4. A 485-based transformer capacity deciding apparatus according to claim 3, characterized in that 485 communication module interacts data with data acquisition means.
5. A 485-based transformer capacity judging device according to claim 3, characterized in that a power supply module for supplying power to the control terminal is further provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320938571.4U CN220289739U (en) | 2023-04-19 | 2023-04-19 | 485-based transformer capacity judging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320938571.4U CN220289739U (en) | 2023-04-19 | 2023-04-19 | 485-based transformer capacity judging instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289739U true CN220289739U (en) | 2024-01-02 |
Family
ID=89332207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320938571.4U Active CN220289739U (en) | 2023-04-19 | 2023-04-19 | 485-based transformer capacity judging instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289739U (en) |
-
2023
- 2023-04-19 CN CN202320938571.4U patent/CN220289739U/en active Active
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