CN214958199U - Intelligent ring main unit with primary and secondary fusion - Google Patents
Intelligent ring main unit with primary and secondary fusion Download PDFInfo
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- CN214958199U CN214958199U CN202120458002.0U CN202120458002U CN214958199U CN 214958199 U CN214958199 U CN 214958199U CN 202120458002 U CN202120458002 U CN 202120458002U CN 214958199 U CN214958199 U CN 214958199U
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Abstract
The utility model provides a secondary fusion intelligent ring main unit, which comprises a public unit, at least one PT cabinet and a plurality of interval units, wherein the public unit comprises an edge gateway, a communication box, a power supply air switch and a power supply module; the power supply module supplies power to the PT cabinet and each interval unit, the power supply is connected with each interval unit in series in an idle mode, and the PT cabinet comprises at least one voltage transformer; the spacing unit comprises an instrument box, an extension coupler, a switch body, an integrated operating mechanism, a temperature and humidity controller, a spacing control unit, a mechanical characteristic sensor, an air pressure sensor, a cable joint temperature sensor, a partial discharge online monitoring device, an incoming cable voltage sensor, a phase current sensor, a zero sequence current sensor and a lightning arrester. The utility model discloses with the solution to solving the degree of depth fusion of a secondary equipment, the quick location of line fault is kept apart the problem of recovering, equipment operation condition monitoring and fortune dimension personnel fortune dimension salvage etc.
Description
Technical Field
The utility model relates to a technical field specifically is a secondary fuses intelligent looped netowrk cabinet.
Background
At present, the automatic construction of most of power distribution network cable lines of power companies has a large promotion space, the intelligent ring main unit which is used by partial lines in the prior art realizes the quick positioning of short-circuit faults, but the quick positioning of single-phase earth faults and the problem of how to efficiently isolate faults and quickly recover normal power supply of fault-free areas still need to be solved.
At present, for a secondary fusion intelligent looped netowrk cabinet, traditional a secondary fusion looped netowrk cabinet still has some weak points, for example: 1. the degree of standardization is low: the primary and secondary equipment interfaces are not matched, and the compatibility, expansibility and interchangeability are poor; the method comprises the following steps that firstly, disputes are generated due to the definition of responsibility of families of a secondary equipment factory; 2. the construction strength is high: the first and the second times are connected through cables, so that signals are more, field wiring is required, and wiring is complex; the debugging construction workload is large; 3. the function is limited: the processing capability of the full-line fault recording, short circuit and ground fault is insufficient; the spacing switch body, the environment, the partial discharge monitoring and the like are limited by a centralized installation mode; 4. insufficient performance: the EMC performance is low, and the phenomena of remote signaling jitter and equipment condensation are easily caused; 5. the service life of the complete equipment is not matched: the service lives of the first and second devices are not matched, so that the utilization rate of the devices is low and the resources are wasted; 6. the operation and maintenance work is complex: the operation and maintenance interfaces are not uniform, and a serial port, a network port and various wireless interfaces are provided; the operation and maintenance clients are not uniform, and the operation and maintenance clients developed by terminal manufacturers in combination with products of the terminal manufacturers have large difference and poor universality; the operation and maintenance protocols are not uniform, and basically, the proprietary protocol of each terminal manufacturer is taken as the main protocol.
With the development and application of intelligent sensing technology, microcomputer protection and communication technology and advanced chip technology, the problems can be effectively solved and the automation of cable line and feeder can realize breakthrough development. Meanwhile, with the introduction of the ubiquitous Internet of things of electric power, higher requirements are put forward in the aspects of integration, miniaturization, intelligent perception, intelligent operation and maintenance and the like of power distribution equipment.
In order to improve the lean level of operation and maintenance of a power distribution network, improve the power supply reliability and the power supply quality and realize the power distribution network management of the Internet of things, the state proposes the intelligent design of power equipment again, realizes the network reconstruction of the power distribution network, the rapid removal of a fault section and the automatic power restoration, comprehensively analyzes the operation information, evaluates the operation condition of the equipment, determines the weak link of the power distribution network and provides technical support for the lean operation and maintenance and the refined first-aid repair.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main purpose provides a secondary fuses intelligent looped netowrk cabinet to the solution fuses to solving a secondary equipment degree of depth, and line fault fixes a position fast, keeps apart, resumes, and equipment operation situation monitoring, and the technical problem that fortune dimension personnel fortune dimension was salvageed etc.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the secondary fusion intelligent ring main unit comprises a public unit, at least one PT cabinet and a plurality of interval units, wherein the public unit comprises an edge gateway, a communication box, a power supply air switch and a power supply module;
the power supply module supplies power to the PT cabinet and each interval unit, the power supply is connected with each interval unit in series,
the PT cabinet comprises at least one voltage transformer;
the spacing unit comprises an instrument box, an extension coupler, a switch body, an integrated operating mechanism, a temperature and humidity controller, a spacing control unit, a mechanical characteristic sensor, an air pressure sensor, a cable joint temperature sensor, a partial discharge online monitoring device, an incoming cable voltage sensor, a phase current sensor, a zero sequence current sensor and a lightning arrester.
The temperature and humidity controller is electrically connected with the mechanical characteristic sensor, the air pressure sensor and the cable joint temperature sensor respectively;
the partial discharge online monitoring device is electrically connected with the incoming cable voltage sensor, the phase current sensor and the zero sequence current sensor respectively;
the lightning arrester is arranged on the top of the spacing unit.
Preferably, the mechanical characteristic sensor and the cable connector temperature sensor are in communication connection with the edge gateway of the public unit through RS485, and the cable connector temperature sensor and the incoming cable voltage sensor are in communication connection with the edge gateway through a wireless communication module.
Preferably, the communication box comprises an ONU and/or a wireless communication module.
Preferably, the interval control unit is deployed in a secondary chamber, the secondary chamber is arranged at the top of the interval unit, and the interval control unit sends signals of current, voltage, switch state and the like of the integrated operating mechanism and the cable cabin to the interval unit in an aerial plug/terminal row mode; the mechanical characteristic sensor is used for collecting mechanical switching-on and switching-off and energy storage information of the switch according to an operation instruction; the cable joint temperature sensor is arranged near the cable joint and is in contact with the conductor to acquire the temperature of the conductor;
preferably, the sensors collect the temperature, voltage, current, mechanical characteristic data, medium-voltage electrical data and power module operation data of each interval unit, the temperature, voltage, current, mechanical characteristic data, medium-voltage electrical data and power module operation data are reported to a background system through an edge gateway for summary analysis, a safety threshold value is set, and maintenance is reminded through APP client and/or terminal display.
Preferably, a dehumidifying device is further arranged in the spacing unit, and the dehumidifying device is electrically connected with the temperature and humidity controller.
Compared with the prior art, the beneficial effects of the utility model are that:
the primary and secondary fusion intelligent ring main unit terminals are distributed, the primary main unit is of a common box type structure, the built-in main buses are connected in a plug-in and pull-out mode, the intervals are unified in standard, and plug-and-play and replacement type maintenance is supported. Primary equipment and secondary equipment in the whole set of scheme adopt integrated design, production manufacturing, solve the unmatched problem of primary and secondary equipment, reduce the on-the-spot installation, construction and maintain the degree of difficulty.
The cabinet body adopts the design of dustproof, rainproof, anticorrosion and anti-condensation structures, and all fasteners are provided with anticorrosion coatings or coatings, and the highest protection level can reach IP 67. A plurality of intelligent sensors are integrated in the cabinet, and comprehensive monitoring and sensing of partial discharge, cable head temperature and switch mechanical characteristics are supported. Novel intelligent power distribution terminal in the interval unit supports multiple protection and feeder automation functions except three conventional remote functions, and can expand advanced applications such as equipment state monitoring and intelligent operation and maintenance. The industrial-level communication module is adopted to support industrial Ethernet and wireless, secondary safety protection is built in, and national network encryption is supported.
The present invention will be explained in detail with reference to the drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the external structure of the cabinet body of the present invention.
Fig. 2 is a schematic structural diagram of the common unit of the present invention.
Fig. 3 is a schematic view of the spacing unit of the present invention.
In the figure: 1. a common unit; 101. an edge gateway; 102. a communication box; 103. the power supply is switched on in an idle state; 104. a power supply module; 2. a PT cabinet; 202. a voltage transformer; 3. a spacing unit; 301. an instrument box; 302. expanding the female coupler; 303. a switch body; 304. an integrated operating mechanism; 305. a temperature and humidity controller; 306. an interval control unit; 307. a mechanical property sensor; 308. an air pressure sensor; 309. a cable joint temperature sensor; 310. a partial discharge on-line monitoring device; 311. an incoming cable voltage sensor; 312. a phase current sensor; 313. a zero sequence current sensor; 314. an arrester.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the primary and secondary fusion intelligent ring main unit includes a public unit 1, at least one PT cabinet 2, and a plurality of partition units 3, where the public unit 1 includes an edge gateway 101, a communication box 102, a power supply air switch 103, and a power supply module 104; the power supply module 104 supplies power to the PT cabinet 2 and each partition unit 3, the power supply air switch 103 is connected in series with each partition unit 3, and the PT cabinet 2 includes at least one voltage transformer 201; the spacing unit 3 comprises an instrument box 301, an expansion coupler 302, a switch body 303, an integrated operating mechanism 304, a temperature and humidity controller 305, a spacing control unit 306, a mechanical characteristic sensor 307, an air pressure sensor 308, a cable joint temperature sensor 309, a partial discharge online monitoring device 310, an incoming cable voltage sensor 311, a phase current sensor 312, a zero-sequence current sensor 313 and a lightning arrester 314; the temperature and humidity controller 305 is electrically connected with a mechanical property sensor 307, an air pressure sensor 308 and a cable joint temperature sensor 309 respectively; the partial discharge online monitoring device 310 is electrically connected with an incoming cable voltage sensor 311, a phase current sensor 312 and a zero sequence current sensor 313 respectively; said lightning conductor 314 is arranged on top of the spacer unit 3.
The mechanical characteristic sensor 307 and the cable joint temperature sensor 309 are in communication connection with the edge gateway 101 of the public unit 1 through RS485, and the cable joint temperature sensor 309 and the incoming cable voltage sensor 311 are in communication connection with the edge gateway 101 through a wireless communication module.
The communication box 102 includes an ONU and/or a wireless communication module.
The interval control unit 306 is disposed in a secondary chamber, the secondary chamber is disposed at the top of the interval unit, and the interval control unit 306 sends signals of current, voltage, switch state and the like of the integrated operating mechanism 304 and the cable cabin to the interval unit 3 in an aerial plug/terminal row mode;
the mechanical characteristic sensor 307 is used for acquiring mechanical switching-on and switching-off and energy storage information of the switch according to an operation instruction;
the cable joint temperature sensor 309 is arranged near the cable joint and is in contact with the conductor to acquire the temperature of the conductor;
every will the sensor gathers every temperature, voltage, electric current, mechanical characteristic data, medium voltage electrical data and the power module operational data of interval unit 3 report to the backstage system through marginal gateway 101 and gather the analysis to set for the safety threshold, show through APP customer end and/or terminal, remind the maintenance.
Still be equipped with dehydrating unit in the interval unit 3, dehydrating unit and temperature and humidity controller 305 electric connection are according to the temperature and humidity information that the sensor acquireed, are sent dehydrating unit by temperature and humidity controller 305, dehydrating unit is with modes such as heating or fan.
The utility model discloses an operating principle is that the data that will gather separately with above-mentioned equipment transmits for edge thing allies oneself with agent through ethernet, bus, wireless mode, and edge thing allies oneself with agent carries out the analysis through APP with data to with analysis result and real-time state transmission high in the clouds. The server carries out calculation and analysis to carry out unified planning on different sensing equipment data models, carries out data mining through the edge gateway, builds a feeder automation model and an equipment state evaluation model, builds the feeder automation model, has power network topology self-adaptive capacity, and carries out fault location rapidly through the feeder automation model.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.
Claims (6)
1. The secondary fusion intelligent ring main unit comprises a public unit (1), at least one PT cabinet (2) and a plurality of interval units (3), and is characterized in that the public unit (1) comprises an edge gateway (101), a communication box (102), a power supply air switch (103) and a power supply module (104);
the power supply module (104) supplies power to the PT cabinet (2) and each interval unit (3),
and the power supply air switch (103) is connected with each interval unit (3) in series,
the PT cabinet (2) comprises at least one voltage transformer (201);
the spacing unit (3) comprises an instrument box (301), an expansion bus coupler (302), a switch body (303), an integrated operating mechanism (304), a temperature and humidity controller (305), a spacing control unit (306), a mechanical characteristic sensor (307), an air pressure sensor (308), a cable joint temperature sensor (309), a partial discharge online monitoring device (310), an incoming cable voltage sensor (311), a phase current sensor (312), a zero-sequence current sensor (313) and a lightning arrester (314);
the temperature and humidity controller (305) is electrically connected with the mechanical characteristic sensor (307), the air pressure sensor (308) and the cable joint temperature sensor (309) respectively;
the partial discharge online monitoring device (310) is electrically connected with the incoming cable voltage sensor (311), the phase current sensor (312) and the zero sequence current sensor (313) respectively;
the lightning arrester (314) is arranged on top of the spacer unit (3).
2. The primary and secondary fusion intelligent ring main unit according to claim 1, wherein the mechanical property sensor (307) and the cable joint temperature sensor (309) are in communication connection with the edge gateway (101) of the public unit (1) through RS485, and the cable joint temperature sensor (309) and the incoming cable voltage sensor (311) are in communication connection with the edge gateway (101) through a wireless communication module.
3. The primary and secondary fusion intelligent ring main unit according to claim 1, wherein the communication box (102) comprises an ONU and/or a wireless communication module.
4. The primary and secondary fusion intelligent ring main unit according to claim 1, wherein the interval control unit (306) is disposed in a secondary cell, the secondary cell is disposed at the top of the interval unit, and the interval control unit (306) sends the current, voltage and switch state signals of the integrated operating mechanism (304) and the cable cabin to the interval unit (3) by way of an air plug/terminal row;
the mechanical characteristic sensor (307) is used for collecting mechanical switching-on and switching-off and energy storage information of the switch according to an operation instruction;
the cable joint temperature sensor (309) is arranged near the cable joint and is in contact with the conductor to acquire the temperature of the conductor.
5. The primary and secondary fusion intelligent ring main unit according to claim 1, wherein the temperature, voltage, current, mechanical characteristic data, medium-voltage electrical data and power module operation data collected by the sensors of each interval unit (3) are reported to a background system for summary analysis through an edge gateway (101), a safety threshold is set, and maintenance is prompted through APP client and/or terminal display.
6. The primary and secondary fusion intelligent ring main unit according to claim 1, wherein a dehumidifying device is further disposed in the spacing unit (3), and the dehumidifying device is electrically connected to the temperature and humidity controller (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120458002.0U CN214958199U (en) | 2021-03-03 | 2021-03-03 | Intelligent ring main unit with primary and secondary fusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120458002.0U CN214958199U (en) | 2021-03-03 | 2021-03-03 | Intelligent ring main unit with primary and secondary fusion |
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| Publication Number | Publication Date |
|---|---|
| CN214958199U true CN214958199U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120458002.0U Active CN214958199U (en) | 2021-03-03 | 2021-03-03 | Intelligent ring main unit with primary and secondary fusion |
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| CN (1) | CN214958199U (en) |
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2021
- 2021-03-03 CN CN202120458002.0U patent/CN214958199U/en active Active
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