CN214850631U - Transformer substation double-terminal equipment - Google Patents
Transformer substation double-terminal equipment Download PDFInfo
- Publication number
- CN214850631U CN214850631U CN202120692977.XU CN202120692977U CN214850631U CN 214850631 U CN214850631 U CN 214850631U CN 202120692977 U CN202120692977 U CN 202120692977U CN 214850631 U CN214850631 U CN 214850631U
- Authority
- CN
- China
- Prior art keywords
- terminal
- converter
- main
- standby
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a transformer substation double-terminal device, which is arranged between a power station to be monitored and a monitoring center and is characterized in that the device comprises a main terminal, a standby terminal and an RS485 converter; the power station to be monitored is provided with an electric energy meter and is connected with an RS485 converter through an RS485 bus; the RS485 interface of the main terminal is connected to the main RS485 interface of the RS485 converter, and the RS485 interface of the standby terminal and the RS485 bus are connected to the slave RS485 interface of the RS485 converter; when the main terminal breaks down, the standby terminal sends a control signal to the RS485 line converter through the warning function, the RS485 line of the main terminal is disconnected, the standby terminal is connected after the RS485 line of the main terminal is disconnected, the electric energy meter starts to be read, continuous work can be guaranteed under the condition that an accident occurs, and detection of a transformer substation is guaranteed.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a transformer substation detection area, concretely relates to transformer substation's two-terminal equipment.
[ background of the invention ]
The detection terminals used by the existing transformer substation are generally connected with one terminal through RS485 lines, data collection is carried out through the terminals, and then the data are transmitted to the dispatching center.
[ Utility model ] content
In order to solve the problems, the transformer substation double-terminal equipment is provided;
a transformer substation dual-terminal device is arranged between a power station to be monitored and a monitoring center and is characterized by comprising a main terminal, a standby terminal and an RS485 converter;
the power station to be monitored is provided with an electric energy meter and is connected with an RS485 converter through an RS485 bus;
the RS485 interface of the main terminal is connected to the main RS485 interface of the RS485 converter;
the standby terminal RS485 interface and the RS485 bus are connected to the slave RS485 interface of the RS485 converter;
the RS485 converter is connected with an electric energy meter;
a relay is arranged inside the RS485 converter;
the main RS485 interface of the RS485 converter is an MA1 terminal and an MB1 terminal of the converter;
the RS485 interface of the RS485 converter is an SA1 terminal and an SB1 terminal of the converter;
the SA1 terminal and the SB1 terminal are common terminals of an internal signal relay;
the MA1 terminal and the MB1 terminal are connected to a normally closed pin inside the signal relay;
the COM terminal on the RS485 converter is internally connected with the GND terminal;
the COM terminal and the GND terminal are connected to a COM terminal and a GND terminal of the standby terminal;
a control pin CTRL on the RS485 converter is connected to a normally open terminal of a standby terminal;
the standby terminal controls the RS485 line converter to enable a control terminal CTRL on the line converter to be conducted with GND by closing an internal relay, and the internal relay forms a passage;
the main terminal is connected with the monitoring center through the Ethernet;
and the Ethernet of the standby terminal and the Ethernet of the main terminal are accessed into the same local area network.
Further, a storage device is arranged in the standby terminal.
Further, the relay is a signal relay.
And further, the standby terminal is connected with the RS485 converter through an RS485 line and supplies power to the RS485 converter.
And further, the RS485 converter is connected with the electric energy meter through an RS485 line and supplies power to the electric energy meter.
Under the normal condition, stand-by terminal RS485 interface is the slave unit, monitor RS485 bus data, main terminal RS485 is the main equipment, copy and read ammeter data, stand-by terminal's ethernet and main terminal's ethernet access same LAN in addition, stand-by terminal calls through the ethernet and surveys main terminal interior data, and save to the terminal in, wait that the main website calls and surveys, upload to the main website with data, when main terminal breaks down, stand-by terminal will send control signal to RS485 circuit converter through alarming function, with main terminal RS485 circuit disconnection. After the RS485 line of the main terminal is disconnected, the standby terminal takes over and begins to read the electric energy meter;
the utility model discloses a main terminal reads the electric energy meter through RS485 circuit converter, and the stand-by terminal provides the power for RS485 circuit converter, guarantees the stable supply of power, avoids the transformer substation to cut off the power supply, leads to the data that the terminal read to appear unusually, has guaranteed the rate of accuracy of the data that obtain more;
the utility model discloses monitor by main terminal RS485 signal of checking meter, when the main terminal breaks down, standby terminal will send control signal to RS485 circuit converter through warning function, with main terminal RS485 circuit disconnection, after the RS485 circuit disconnection of main terminal, standby terminal takes over, begins to copy and reads the electric energy meter, guarantees under the unexpected condition, can work in succession, guarantees that the transformer substation detects;
the utility model discloses a be equipped with the accumulator on the standby terminal, can preserve the data at main terminal simultaneously, prevent that the unable work back suddenly at main terminal, the data that lead to are lost, more safety and stability.
[ description of the drawings ]
FIG. 1 is a schematic view of the overall connection of the present invention;
fig. 2 is a schematic diagram of the connection between the main terminal, the standby terminal and the RS485 converter of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A transformer substation dual-terminal device is arranged between a power station to be monitored and a monitoring center and is characterized by comprising a main terminal, a standby terminal and an RS485 converter;
the power station to be monitored is provided with an electric energy meter and is connected with an RS485 converter through an RS485 bus;
the RS485 interface of the main terminal is connected to the main RS485 interface of the RS485 converter;
the standby terminal RS485 interface and the RS485 bus are connected to the slave RS485 interface of the RS485 converter;
the RS485 converter is connected with an electric energy meter;
a relay is arranged inside the RS485 converter;
the main RS485 interface of the RS485 converter is an MA1 terminal and an MB1 terminal of the converter;
the RS485 interface of the RS485 converter is an SA1 terminal and an SB1 terminal of the converter;
the SA1 terminal and the SB1 terminal are common terminals of an internal signal relay;
the MA1 terminal and the MB1 terminal are connected to a normally closed pin inside the signal relay;
the COM terminal on the RS485 converter is internally connected with the GND terminal;
the COM terminal and the GND terminal are connected to a COM terminal and a GND terminal of the standby terminal;
a control pin CTRL on the RS485 converter is connected to a normally open terminal of a standby terminal;
the standby terminal controls the RS485 line converter to enable a control terminal CTRL on the line converter to be conducted with GND by closing an internal relay, and the internal relay forms a passage;
the main terminal is connected with the monitoring center through the Ethernet;
and the Ethernet of the standby terminal and the Ethernet of the main terminal are accessed into the same local area network.
Further, a storage device is arranged in the standby terminal.
Further, the relay is a signal relay.
And further, the standby terminal is connected with the RS485 converter through an RS485 line and supplies power to the RS485 converter.
And further, the RS485 converter is connected with the electric energy meter through an RS485 line and supplies power to the electric energy meter.
The standby terminal RS485 interface is slave equipment, monitor RS485 bus data, main terminal RS485 is main equipment, copy and read ammeter data, the same LAN of ethernet of standby terminal and main terminal's ethernet access in addition, standby terminal calls through the ethernet and surveys main terminal interior data, and save in the terminal, wait that the main website calls and surveys, upload to the main website with data, when main terminal breaks down, standby terminal will send control signal to RS485 circuit converter through alarming function, with main terminal RS485 circuit disconnection. And after the RS485 line of the main terminal is disconnected, the standby terminal takes over and starts to read the electric energy meter.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A transformer substation dual-terminal device is arranged between a power station to be monitored and a monitoring center and is characterized by comprising a main terminal, a standby terminal and an RS485 converter;
the power station to be monitored is provided with an electric energy meter and is connected with an RS485 converter through an RS485 bus;
the RS485 interface of the main terminal is connected to the main RS485 interface of the RS485 converter;
the standby terminal RS485 interface and the RS485 bus are connected to the slave RS485 interface of the RS485 converter;
the RS485 converter is connected with an electric energy meter;
a relay is arranged inside the RS485 converter;
the main RS485 interface of the RS485 converter is an MA1 terminal and an MB1 terminal of the converter;
the RS485 interface of the RS485 converter is an SA1 terminal and an SB1 terminal of the converter;
the SA1 terminal and the SB1 terminal are common terminals of an internal signal relay;
the MA1 terminal and the MB1 terminal are connected to a normally closed pin inside the signal relay;
the COM terminal on the RS485 converter is internally connected with the GND terminal;
the COM terminal and the GND terminal are connected to a COM terminal and a GND terminal of the standby terminal;
a control pin CTRL on the RS485 converter is connected to a normally open terminal of the standby terminal;
the standby terminal controls the RS485 line converter to enable a control terminal CTRL on the line converter to be conducted with GND by closing an internal relay, and the internal relay forms a passage;
the main terminal is connected with the monitoring center through the Ethernet;
and the Ethernet of the standby terminal and the Ethernet of the main terminal are accessed into the same local area network.
2. A substation dual-terminal device according to claim 1, characterized in that: and a storage device is arranged in the standby terminal.
3. A substation dual-terminal device according to claim 1, characterized in that: the relay is a signal relay.
4. A substation dual-terminal device according to claim 1, characterized in that: and the standby terminal is connected with the RS485 converter through an RS485 line and supplies power to the RS485 converter.
5. A substation dual-terminal device according to claim 1, characterized in that: and the RS485 converter is connected with the electric energy meter through an RS485 line and supplies power to the electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692977.XU CN214850631U (en) | 2021-04-06 | 2021-04-06 | Transformer substation double-terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120692977.XU CN214850631U (en) | 2021-04-06 | 2021-04-06 | Transformer substation double-terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214850631U true CN214850631U (en) | 2021-11-23 |
Family
ID=78762082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120692977.XU Active CN214850631U (en) | 2021-04-06 | 2021-04-06 | Transformer substation double-terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214850631U (en) |
-
2021
- 2021-04-06 CN CN202120692977.XU patent/CN214850631U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208596190U (en) | The arrester on-line monitoring system of tape counter | |
| CN104422834A (en) | Power grid safety supervision detection device based on intelligent electric meter | |
| Cheng et al. | The remote monitoring system of transformer fault based on The internet of Things | |
| CN202268943U (en) | Alarming device for positioning failure of user line port | |
| CN113030715A (en) | Residual current operated circuit breaker performance detection device and fault judgment method | |
| CN111238571A (en) | Remote monitoring system for power utilization condition of elevator control equipment | |
| CN104764970A (en) | Power distribution fault judgment method based on real-time topology | |
| CN214850631U (en) | Transformer substation double-terminal equipment | |
| CN203339659U (en) | Single-phase electric leakage protection and power supply automation recovery device | |
| CN102445578A (en) | Electricity stealing prevention inspecting and monitoring detector | |
| CN102290864B (en) | Method and device for implementing virtual load management terminal | |
| CN112968527A (en) | Transformer substation dual-terminal device and implementation method thereof | |
| CN116668261A (en) | Multi-source data fusion-based power transformation intelligent gateway system | |
| CN207074258U (en) | Monitor the device of communication base station and electric power power supply state | |
| CN215641682U (en) | Residual current operated circuit breaker performance detection device | |
| CN108645539A (en) | A kind of magnetic-levitation train electrical cabinet temperature online condition monitoring system | |
| CN211773905U (en) | Low-power consumption simple and easy general type cable well lid monitoring devices | |
| CN209215554U (en) | A kind of device for scurrying into monitoring function with accumulator monitoring and exchange | |
| CN202797939U (en) | Line voltage change anti ferroresonance device | |
| CN201465247U (en) | Wire pole stay wire anti-theft device | |
| CN213602427U (en) | High-voltage battery pack management system | |
| CN205317911U (en) | Storage battery online monitoring device | |
| CN205453299U (en) | A intelligent management system for rural electric network | |
| CN204391905U (en) | A kind of power electronics automation control system | |
| CN217133812U (en) | Anti-electricity-stealing circuit of base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231123 Address after: 519000 No. 9, Zhenguo lane, Zijing Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Zhuhai kangtaiming power transmission and Transformation Engineering Co.,Ltd. Address before: Room 401, 4th floor, building 1, No.9, Zhenguo lane, Zijing Road, Xiangzhou, Zhuhai, Guangdong 519000 Patentee before: GUANGDONG HANXIN TECHNOLOGY Co.,Ltd. |