CN214069669U - Device for networking low-voltage circuit breaker - Google Patents
Device for networking low-voltage circuit breaker Download PDFInfo
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- CN214069669U CN214069669U CN202023253290.0U CN202023253290U CN214069669U CN 214069669 U CN214069669 U CN 214069669U CN 202023253290 U CN202023253290 U CN 202023253290U CN 214069669 U CN214069669 U CN 214069669U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a device for the networking of low-voltage circuit breakers, which belongs to the technical field of low-voltage circuit breakers; the power supply comprises a shell, a puncture power-taking wire clamp positioned at the top of the shell, an open-type current mutual inductance circuit connected with the puncture power-taking wire clamp, a processing circuit connected with the open-type current mutual inductance circuit, and a power supply circuit, wherein the open-type current mutual inductance circuit is used for collecting three-phase voltage, current, zero-sequence current and active/reactive power, and the processing circuit is used for analyzing the functions of identifying branches causing circuit abnormity and a transformer area, a phase and a circuit topological structure; the processing circuit is connected with a local communication unit, a remote communication unit and an LED unit and is connected with the open type current mutual inductance circuit through the local communication unit; the circuit fault detection device is simple in structure and convenient and fast to install, and achieves the functions of monitoring the running state of a circuit, indicating the fault state of the circuit and identifying the transformer area, the phase and the topological structure of the circuit.
Description
Technical Field
The utility model relates to a device for low-voltage circuit breaker thing networking belongs to low-voltage circuit breaker technical field.
Background
For a long time, the technical and management lags, so that the low-voltage distribution network always has the problems of large quantity of terminal equipment, various types, low intelligent level, non-uniform standard, non-standard network wiring and the like, and particularly has the prominent problems that the affiliated phase of an electric energy meter cannot be determined, the line loss calculation of a transformer area is inaccurate, the line loss abnormity of the transformer area cannot be quickly and accurately positioned, the equipment state and line faults of the low-voltage transformer area cannot be monitored, and the power failure fault cannot be quickly positioned.
Along with the continuous deep of electric power thing networking construction, the urgent need introduces low voltage distribution network intelligent perception technique, carries out intelligent management and control to running state, power consumption management, electric energy quality, the rapid repair of low voltage distribution network, platform district topological structure etc..
Based on the device, the device for networking the traditional low-voltage circuit breaker is arranged beside the low-voltage circuit breaker at the low-voltage outgoing line, the branch box, the ammeter box, the distribution box and the like of a distribution transformer area, can accurately acquire and monitor the three-phase voltage, the current, the power and the like of the branch line and the state of the low-voltage circuit breaker at the installation position in real time, quickly reports the events of voltage loss, undervoltage, overcurrent and the like at the installation position, and can timely upload acquired data to a distribution automation master station. The requirements of low-voltage power distribution operation and maintenance management and control on aspects of agile connection, data optimization, application intelligence, information safety and the like are comprehensively met, and a system of 'data full acquisition and state full perception' in an intelligent power distribution area is created.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the device for the low-voltage circuit breaker Internet of things is simple in structure and convenient to install, achieves the monitoring function of the running state of a line, the indicating function of the fault state of the line and the identifying function of a transformer area, a phase and a line topological structure.
The utility model discloses a device for low voltage circuit breaker thing networking, including the casing, be located the puncture of casing top and get the electric wire clamp, with puncture get the electric wire clamp and be connected open-type current mutual inductance circuit, with open-type current mutual inductance circuit connection's processing circuit, power supply circuit, open-type current mutual inductance circuit is used for gathering three-phase voltage, electric current, zero sequence current and active/reactive power, processing circuit is used for the analysis to cause the unusual branch of circuit and platform district, phase place and circuit topological structure's recognition function; the processing circuit is connected with a local communication unit, a remote communication unit and an LED unit, the processing circuit is connected with an open type current mutual inductance circuit through the local communication unit, the processing circuit is connected with external equipment through the remote communication unit, the open type current mutual inductance circuit, the processing circuit, the local communication unit and the remote communication unit are installed in the shell, and the LED unit is installed on the shell and used for indicating a line fault state.
The power-taking wire clamp can be installed under the condition of no power outage through puncture, and the structure is simple and convenient to install. The branch circuit monitoring device can be arranged beside a branch point of an overhead line and a sensing low-voltage circuit breaker in a switch branch box, and can be used for finding out a branch causing circuit abnormity by monitoring three-phase voltage, current, zero-sequence current, active/reactive power and other parameter analysis, so that the monitoring function of the running state of the circuit, the indicating function of the fault state of the circuit and the recognition function of a transformer area, a phase and a circuit topological structure are realized.
Preferably, the processing circuit employs a 32-bit embedded ARM processor.
The system has strong data processing capability, communication capability and high-precision sampling capability.
Preferably, the local communication unit adopts RS485 data communication.
The current transformer is used for connecting the processing circuit and the open-type current transformer circuit.
Preferably, the remote communication unit communicates using a broadband carrier HPLC.
For connecting the processing circuit with an external device.
Compared with the prior art, the utility model discloses following beneficial effect has:
a device for low voltage circuit breaker thing networking, simple structure, installation are convenient, realize the monitoring function of circuit running state, and the identification function of platform district, phase place and circuit topological structure is convenient for realize to the instruction function of circuit fault state.
Drawings
Fig. 1 is a block diagram of the device for networking the low-voltage circuit breaker;
fig. 2 is a schematic structural diagram of the open-type current transformer circuit according to the present invention;
fig. 3 is a schematic diagram of a processing circuit according to the present invention;
fig. 4 is a schematic structural diagram of the power supply circuit of the present invention.
In the figure: 1. puncturing to obtain a wire clamp; 2. an open-type current transformer circuit; 3. a processing circuit; 4. a local communication unit; 5. a remote communication unit; 6. an LED unit; 7. a power supply circuit.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
example 1
As shown in fig. 1-4, the device for networking the low-voltage circuit breaker comprises a housing, a piercing power-obtaining wire clamp 1 positioned at the top of the housing, an open-type current mutual inductance circuit 2 connected with the piercing power-obtaining wire clamp 1, a processing circuit 3 connected with the open-type current mutual inductance circuit 2, and a power supply circuit 7, wherein the open-type current mutual inductance circuit 2 is used for acquiring three-phase voltage, current, zero-sequence current and active/reactive power, and the processing circuit 3 is used for analyzing the branch causing circuit abnormality and the recognition function of a transformer area, a phase and a circuit topological structure; the circuit is characterized in that the processing circuit 3 is connected with a local communication unit 4, a remote communication unit 5 and an LED unit 6, the processing circuit 3 is connected with the open-type current mutual inductance circuit 2 through the local communication unit 4, the processing circuit 3 is connected with external equipment through the remote communication unit 5, the open-type current mutual inductance circuit 2, the processing circuit 3, the local communication unit 4 and the remote communication unit 5 are installed in the shell, and the LED unit 6 is installed on the shell and used for indicating the line fault state.
The power-taking wire clamp 1 can be installed under the condition of no power outage through puncture, and is simple in structure and convenient to install. The branch circuit monitoring device can be arranged beside a branch point of an overhead line and a sensing low-voltage circuit breaker in a switch branch box, and can be used for finding out a branch causing circuit abnormity by monitoring the analysis of parameters such as three-phase voltage, current, zero-sequence current, active/reactive power and the like, so that the monitoring function of the running state of the circuit, the indicating function of the fault state of the circuit and the recognition function of a transformer area, a phase and a circuit topological structure are realized.
Wherein, the processing circuit 3 adopts a 32-bit embedded ARM processor.
The system has strong data processing capability, communication capability and high-precision sampling capability.
Wherein, the local communication unit 4 adopts RS485 data communication.
For connecting the processing circuit 3 with the open-type current transformer circuit 2.
Wherein, the remote communication unit 5 adopts broadband carrier HPLC communication.
For connecting the processing circuit 3 with external devices.
The data can be transmitted to TTU equipment or communication relay equipment in real time through broadband carrier HPLC communication, and then transmitted to a distribution automation main station through 4G communication.
The device for networking the low-voltage circuit breaker is characterized by comprising the following working processes:
the reward device is arranged at a branch point of an overhead line and beside a sensing low-voltage circuit breaker in a switch branch box, the electrified lead is clamped by the puncture electricity taking wire clamp 1, and then an external insulation protection layer of the lead is punctured by a puncture steel needle to be in contact with the inside of the lead to take electricity, so that measurement is carried out; the open type current mutual inductance circuit 2 collects three-phase voltage, current, zero-sequence current and active/reactive power of the lead and transmits the three-phase voltage, the current, the zero-sequence current and the active/reactive power to the processing circuit 3 through RS485 data communication; processing circuit 3 analysis low voltage circuit breaker state judges events such as decompression, undervoltage, overcurrent to find out the branch that causes the circuit anomaly, carry out the instruction of circuit fault state through LED unit 6, data collection and low voltage circuit breaker state are uploaded to distribution automation main website through broadband carrier wave HPLC communication, are convenient for realize platform district, phase place and circuit topological structure's recognition function.
A device for low voltage circuit breaker thing networking, simple structure, installation are convenient, realize the monitoring function of circuit running state, and the identification function of platform district, phase place and circuit topological structure is convenient for realize to the instruction function of circuit fault state.
Claims (4)
1. The device for networking the low-voltage circuit breaker is characterized by comprising a shell, a puncture power-obtaining wire clamp (1) positioned at the top of the shell, an open-type current mutual inductance circuit (2) connected with the puncture power-obtaining wire clamp (1), a processing circuit (3) connected with the open-type current mutual inductance circuit (2), and a power supply circuit (7), wherein the open-type current mutual inductance circuit (2) is used for collecting three-phase voltage, current, zero-sequence current and active/reactive power, and the processing circuit (3) is used for analyzing the functions of identifying branches causing circuit abnormity, and identification functions of a transformer area, a phase and a circuit topological structure; be connected with local communication unit (4), remote communication unit (5), LED unit (6) on processing circuit (3), processing circuit (3) are connected with open-type current mutual inductance circuit (2) through local communication unit (4), and processing circuit (3) are connected with external equipment through remote communication unit (5), open-type current mutual inductance circuit (2), processing circuit (3), local communication unit (4) and remote communication unit (5) are installed in the casing, LED unit (6) are installed on the casing, are used for the instruction of circuit fault state.
2. Device for low-voltage circuit breaker networking, according to claim 1, characterized in that the processing circuit (3) employs a 32-bit embedded ARM processor.
3. Device for networking low-voltage circuit breakers, according to claim 1 or 2, characterized in that said local communication unit (4) uses RS485 data communication.
4. Device for low-voltage circuit breaker networking, according to claim 3, characterized in that said remote communication unit (5) uses broadband carrier HPLC communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253290.0U CN214069669U (en) | 2020-12-29 | 2020-12-29 | Device for networking low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023253290.0U CN214069669U (en) | 2020-12-29 | 2020-12-29 | Device for networking low-voltage circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN214069669U true CN214069669U (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023253290.0U Active CN214069669U (en) | 2020-12-29 | 2020-12-29 | Device for networking low-voltage circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165427A (en) * | 2023-02-17 | 2023-05-26 | 山东国信电力科技有限公司 | Power distribution low-voltage transformer area topology signal identification circuit and identification method |
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2020
- 2020-12-29 CN CN202023253290.0U patent/CN214069669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165427A (en) * | 2023-02-17 | 2023-05-26 | 山东国信电力科技有限公司 | Power distribution low-voltage transformer area topology signal identification circuit and identification method |
| CN116165427B (en) * | 2023-02-17 | 2023-08-11 | 山东国信电力科技有限公司 | Power distribution low-voltage transformer area topology signal identification circuit and identification method |
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