CN212571893U - Ring main unit secondary chamber and ring main unit - Google Patents
Ring main unit secondary chamber and ring main unit Download PDFInfo
- Publication number
- CN212571893U CN212571893U CN202021236532.2U CN202021236532U CN212571893U CN 212571893 U CN212571893 U CN 212571893U CN 202021236532 U CN202021236532 U CN 202021236532U CN 212571893 U CN212571893 U CN 212571893U
- Authority
- CN
- China
- Prior art keywords
- centralized
- distributed
- power distribution
- distribution terminal
- main unit
- 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
Images
Classifications
-
- 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
-
- 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
- Y04S40/126—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 using wireless data transmission
Landscapes
- Patch Boards (AREA)
Abstract
The application relates to a looped netowrk cabinet secondary chamber and looped netowrk cabinet, looped netowrk cabinet secondary chamber include distributed secondary case, distributed distribution terminal, centralized secondary case, centralized distribution terminal and two at least first aviation plug. First aviation plug and second aviation plug set up respectively in the surface of distributed secondary case and centralized secondary case, when needs change distributed secondary case and centralized secondary case, only need with external equipment connect in corresponding first aviation plug can. Meanwhile, the first aerial plug on the outer surfaces of the distributed secondary box and the centralized secondary box are completely the same, so that other line improvements are not needed when the distributed power distribution terminal and the centralized secondary box are replaced, the operation is convenient and simple, the problem that the replacement operation of the centralized secondary box and the distributed secondary box is complex when the existing ring main unit in the prior art is used is solved, the technical effect of simplifying the operation steps of replacing the centralized secondary box and the distributed secondary box is achieved, and the replacement efficiency is improved.
Description
Technical Field
The application relates to the technical field of power equipment, in particular to a ring main unit secondary chamber and a ring main unit.
Background
The ring main unit is an electrical device which is formed by installing a group of high-voltage switch devices in a steel plate metal main unit body or manufacturing an assembled interval ring main unit, and is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like due to the advantages of simple structure, small size, low price, capability of improving power supply parameters and performance, power supply safety and the like.
With the development of urbanization in China, the power load is increased sharply, the 10kV distribution line grid structure of each area is enlarged continuously, and the application requirements of the ring main units are increased day by day. The looped netowrk cabinet includes mechanism room, hyperbaric chamber and secondary room, and at present, the indoor distribution automation technique of secondary mainly divide into two kinds of technical route, and one kind is centralized distribution automation terminal, and another kind is distributed distribution automation terminal. Because the technical route is different, the design of looped netowrk cabinet secondary cell, also be exactly the secondary case of looped netowrk cabinet also need not to be used to some extent, need carry out the circuit transformation when changing, consequently, the replacement operation of centralized secondary case and distributed secondary case is being carried out to looped netowrk cabinet at present is more complicated.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a ring main unit secondary chamber and a ring main unit, aiming at the technical problem that the replacement operation of the centralized secondary box and the distributed secondary box is complicated in the existing ring main unit.
A ring main unit secondary chamber, comprising:
the distributed secondary box is provided with a first accommodating cavity;
the distributed power distribution terminal is arranged in the first accommodating cavity;
a centralized secondary box;
the centralized power distribution terminal is arranged outside the centralized secondary box;
the at least two first aerial plug are respectively arranged on the outer surfaces of the distributed secondary box and the centralized secondary box; the first aerial plug arranged on the outer surface of the distributed secondary box is in signal connection with the distributed power distribution terminal, and the first aerial plug arranged on the outer surface of the centralized secondary box is in signal connection with the centralized power distribution terminal.
In one embodiment, the method further comprises the following steps:
the first secondary channel is arranged on the outer surface of the distributed secondary box;
and the second secondary channel is arranged on the outer surface of the centralized secondary box.
In one embodiment, the method further comprises the following steps:
the first secondary channel is connected with the distributed secondary box and the second secondary channel is connected with the centralized secondary box through the plugging terminals.
In one embodiment, the centralized secondary box is provided with a second accommodating cavity, and the ring main unit secondary chamber further includes:
the first closing switch is arranged in the first accommodating cavity and is in signal connection with the distributed power distribution terminal;
and the second closing switch is arranged in the second accommodating cavity and is in signal connection with the centralized power distribution terminal.
In one embodiment, the method further comprises the following steps:
the first disconnecting switch is arranged in the first accommodating cavity and is in signal connection with the distributed power distribution terminal;
and the second shunt switch is arranged in the second accommodating cavity and is in signal connection with the centralized power distribution terminal.
In one embodiment, the method further comprises the following steps:
the first local signal acquisition equipment is arranged in the first accommodating cavity and is in signal connection with the distributed power distribution terminal;
and the second partial discharge signal acquisition equipment is arranged in the second accommodating cavity and is in signal connection with the centralized power distribution terminal.
In one embodiment, the method further comprises the following steps:
the first temperature acquisition equipment is arranged in the first accommodating cavity and is in signal connection with the distributed power distribution terminal;
and the second temperature acquisition equipment is arranged in the second accommodating cavity and is in signal connection with the centralized power distribution terminal.
In one embodiment, the method further comprises the following steps:
the first indicator light is arranged on the outer surface of the distributed secondary box and is in signal connection with the distributed power distribution terminal;
and the second indicator light is arranged on the outer surface of the centralized secondary box and is in signal connection with the centralized power distribution terminal.
A ring main unit, comprising:
the ring main unit secondary chamber is arranged;
a high pressure chamber;
and the mechanism chamber is respectively connected with the secondary chamber and the high-pressure chamber.
In one embodiment, the method further comprises the following steps:
and the second aviation plug is arranged in the mechanism room and is used for connecting the distributed secondary box or the centralized secondary box, and the second aviation plug is matched with the first aviation plug.
The embodiment of the application provides a looped netowrk cabinet secondary chamber, including distributed secondary case, distributed distribution terminal, centralized secondary case, centralized distribution terminal and two at least first aviation plug. The first aerial plug and the second aerial plug are respectively arranged on the outer surfaces of the distributed secondary box and the centralized secondary box, and when the distributed secondary box and the centralized secondary box need to be replaced, external equipment only needs to be connected to the corresponding first aerial plug. Meanwhile, the first aerial plug on the outer surface of the distributed secondary box and the outer surface of the centralized secondary box are completely the same, so that other line improvements are not needed when the distributed power distribution terminal and the centralized secondary box are replaced, the operation is convenient and simple, the problem that the replacement operation of the centralized secondary box and the distributed secondary box is complex when the existing ring main unit in the prior art is used is solved, the technical effect of simplifying the operation steps of replacing the centralized secondary box and the distributed secondary box is achieved, and the replacement efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a secondary chamber of a ring main unit according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a ring main unit secondary chamber distributed secondary box according to an embodiment of the present application;
fig. 3 is a schematic structural view of a centralized secondary box of a secondary chamber of a ring main unit according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a ring main unit secondary chamber distributed secondary box according to an embodiment of the present application;
fig. 5 is a schematic structural view of a centralized secondary box of a secondary chamber of a ring main unit according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a ring main unit secondary chamber distributed secondary box according to an embodiment of the present application;
fig. 7 is a schematic structural view of a centralized secondary box of a secondary chamber of a ring main unit according to an embodiment of the present application;
fig. 8 is a schematic structural view of a centralized secondary box of a secondary chamber of a ring main unit according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a ring main unit according to an embodiment of the present application.
Description of reference numerals:
10. a ring main unit secondary chamber;
100. a distributed secondary box;
110. a first receiving cavity;
120. a first secondary channel;
130. a first closing switch;
140. a first switch;
150. a first local amplification signal acquisition device;
160. a first temperature acquisition device;
170. a first indicator light;
200. a distributed power distribution terminal;
300. a centralized secondary box;
310. a first receiving cavity;
320. a second secondary channel;
330. a second closing switch;
340. a second shunt switch;
350. a second partial discharge signal acquisition device;
360. a second temperature acquisition device;
370. a second indicator light;
400. a centralized power distribution terminal;
500. a first air navigation plug;
600. plugging terminals;
20. a ring main unit;
21. a high pressure chamber;
22. a mechanism chamber;
23. and a second aviation plug.
Detailed Description
In order to make the purpose, technical scheme and advantages of the present application more clearly understood, the following embodiments are taken in conjunction with the accompanying drawings to further describe the ring main unit secondary chamber and the ring main unit in detail. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be considered as limiting the present application.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The ring main unit secondary chamber 10 provided in the embodiment of the present application may be disposed in any ring main unit 20, for example, an incoming line cabinet, a feeder cabinet, a voltage transformer cabinet, a high voltage capacitor cabinet, an electric energy metering cabinet, a high voltage ring main unit, etc., and the following embodiment specifically describes that the ring main unit secondary chamber 10 is applied to the high voltage ring main unit as an example.
Referring to fig. 1, an embodiment of the present application provides a ring main unit secondary chamber 10, including: a distributed secondary box 100, a distributed power distribution terminal 200, a centralized secondary box 300, a centralized power distribution terminal 400, and a first airline hosel 500.
The distributed secondary box 100 is provided with a first accommodating cavity 110, and the distributed secondary box 100 is used for providing an installation space for electrical equipment in the distributed secondary box 100, namely the first accommodating cavity 110. The distributed secondary box 100 may be of any shape, for example: square, prism, pillar, or any other shape, etc., and the distributed secondary box 100 may be made of any metal material, such as iron, cold-rolled steel, stainless steel, etc. The first housing cavity 110 is used for mounting electrical equipment inside the distributed secondary box 100, such as: air switches, circuit breakers, communication devices, etc., the first housing cavity 110 may be of any shape, for example: square, round, oval and the like. The present embodiment does not limit the distributed secondary box 100, and only needs to satisfy the function of having the first receiving cavity 110 to install the electrical equipment in the distributed secondary box 100.
The distributed power distribution terminal 200 is disposed in the first receiving cavity 110, and is used for controlling electrical devices in the distributed secondary box 100, such as: air switches, circuit breakers, communication equipment, and the like. The distributed power distribution terminal 200 may be an overhead line intelligent distributed feeder automation terminal, such as: the DAF-810 feeder automation terminal has strong analysis capability and comprises a maintenance system for feeder topological structure maintenance, control strategy configuration, fixed value calculation, online issuing and the like. Meanwhile, the DAF-810 feeder automation terminal can upload information similar to fault types, fault points, current, voltage, DTU states, communication states and the like to the main station in the operation process, so that the whole process monitoring and the post analysis of fault processing are effectively realized, and the overhaul personnel can conveniently carry out fault removal, thereby shortening the accident processing time. The distributed power distribution terminal 200 may also be a cable-type intelligent distributed power distribution terminal, such as: the DAF-830 distribution automation terminal can effectively, automatically and accurately locate a fault point, selectively remove a short-circuit fault before the action of a protection device, reduce the power failure range to the maximum extent and greatly improve the working reliability of the switch cabinet 20. In this embodiment, the distributed power distribution terminal 200 is not limited at all, and only the function of controlling the electrical devices in the distributed secondary box 100 needs to be satisfied.
The centralized secondary box 300 may contain various electrical devices, such as: air switches, circuit breakers, communication equipment, and the like. The centralized second sub-tank 300 may be of any shape, for example: a square, a prism, a pillar, or any other shape, etc., and the centralized secondary box 300 may be made of any metal material, such as iron, cold-rolled steel, stainless steel, etc. The centralized secondary box 300 is not limited in any way in this embodiment, and may be selected or set according to specific situations.
The centralized power distribution terminal 400 is disposed outside the centralized secondary box 300, is in signal connection with the electrical equipment in the centralized secondary box 300, and is configured to control the electrical equipment in the centralized secondary box 300. The centralized power distribution terminal 400 may be a PDZ800 series power distribution automation terminal, has a triple remote function, a fault detection function, a communication function, a debugging function, a maintenance function, a management function, and a statistics and data storage function, and may transmit data information in the electrical devices in the centralized secondary box 300 to a master station in time for a worker to perform analysis processing. The centralized power distribution terminal 400 can also adopt a PDZ810-FTU power distribution automation measurement and control terminal, can be matched with a 10KV overhead line to complete the operation detection of a power distribution line and the monitoring function of a corresponding on-column switch, and can be directly hung on an outdoor wire column. The PDZ810-FTU distribution automation measurement and control terminal is matched with a conventional switch, so that the detection and control of erecting double lines and the switch on the same pole can be completed, and the current type centralized feeder automation function is realized. In this embodiment, the centralized power distribution terminal 400 is not limited at all, and only needs to satisfy the function of controlling the electrical devices in the centralized secondary box 300.
The first navigation plug 500 is an aviation plug, which may also be referred to as a plug receptacle. The aviation plug generally comprises a plug and a socket, and the connection and disconnection of a circuit are realized through the insertion and the separation of the plug and the socket. At least two first inserts 500 are disposed on the outer surfaces of the distributed secondary box 100 and the centralized secondary box 300, respectively. For example, when there are two first inserts 500, one of the first inserts 500 is disposed on the outer surface of the distributed secondary box 100 and is in signal connection with the distributed power distribution terminal 200, and the other first insert 500 is disposed on the outer surface of the centralized power distribution terminal 300 and is in signal connection with the centralized power distribution terminal 400. In this embodiment, the first aviation plug 500 may be a free-end aviation plug or a fixed aviation plug, and only needs to satisfy the requirement that the functions of signal connection between the distributed power distribution terminal 200 and the centralized power distribution terminal 400 can be realized.
The working principle of the ring main unit secondary chamber 10 provided by this embodiment is as follows:
the ring main unit secondary room 10 includes the distributed secondary box 100, the distributed power distribution terminal 200, the centralized secondary box 300, the centralized power distribution terminal 400, and at least two of the first aerial sockets 500. The distributed secondary box 100 and the centralized secondary box 300 are respectively provided with the first aerial plug 500, the first aerial plug 500 on the outer surface of the distributed secondary box 100 is in signal connection with the distributed power distribution terminal 200, and the first aerial plug 500 on the outer surface of the centralized secondary box 300 is in signal connection with the centralized power distribution terminal 400. The first airline plug 500 on the distributed secondary box 100 and the first airline plug 500 on the centralized secondary box 300 are identical. When the external device is connected with the first aviation plug 500 on the outer surface of the distributed secondary box 100, the connection between the external device and the distributed secondary box 100 can be realized, and when the external device is connected with the first aviation plug 500 on the centralized secondary box 300, the connection between the centralized secondary box 300 can be realized. When the distributed secondary box 100 and the centralized type are replaced, only the external equipment and the connecting end of the first aviation plug 500 are required to be replaced.
The embodiment of the application provides a ring main unit secondary chamber 10, which comprises a distributed secondary box 100, a distributed power distribution terminal 200, a centralized secondary box 300, a centralized power distribution terminal 400 and at least two first aerial plug 500. The first aviation plug 500 and the second aviation plug 23 are respectively arranged on the outer surfaces of the distributed secondary box 100 and the centralized secondary box 300, and when the distributed secondary box 100 and the centralized secondary box 300 need to be replaced, only external equipment needs to be connected to the corresponding first aviation plug 500. Meanwhile, the first aerial plug 500 on the outer surface of the distributed secondary box 100 and the centralized secondary box 300 is completely the same, so that other line improvements are not needed when the distributed power distribution terminal 200 and the centralized secondary box 300 are replaced, the operation is convenient and simple, the technical problem that the replacement operation of the centralized secondary box 300 and the distributed secondary box 100 is complex when the existing ring main unit 20 in the prior art is used is solved, the technical effect of simplifying the operation steps of replacing the centralized secondary box 300 and the distributed secondary box 100 is achieved, and the replacement efficiency is improved.
In one embodiment, the ring main unit secondary chamber 10 further includes: the first secondary channel 120, the second secondary channel 320, the plug terminal 600, the first closing switch 130, the second closing switch 330, the first opening switch 140, the second opening switch 340, the first local amplification signal acquisition device 150, the second local amplification signal acquisition device 350, the first temperature acquisition device 160, the second temperature acquisition device 360, the first indicator lamp 170, and the second indicator lamp 370.
Referring to fig. 2 and 3, the first secondary channel 120 is disposed on an outer surface of the distributed secondary box 100, and the second secondary channel 320 is disposed on an outer surface of the centralized secondary box 300. The first channel is used for providing a containing space for the cables of the distributed secondary box 100 to accommodate the cables of the distributed secondary box 100. The first channel may be a rectangular through hole, may be a cylindrical through hole, etc., and may be made of any metal material, for example: gold, silver, copper, iron, etc., and the first secondary channel 120 is not limited in this embodiment, and only the function of providing the accommodating space for the cable of the distributed secondary box 100 needs to be satisfied. The second secondary channel 320 may be the same as the first secondary channel 120 or different from the first secondary channel 120, and in this embodiment, the first secondary channel 120 and the second secondary channel 320 are not limited at all, and only need to satisfy the function of providing an accommodating space for cables of the distributed secondary box 100 and the centralized secondary box 300.
The plug terminals 600 may be plural, and the plurality of plug terminals 600 are respectively disposed on the distributed secondary box 100 and the centralized secondary box 300. One end of the plug terminal 600 is fixed to the distributed secondary box 100 and the centralized secondary box 300, and the other end is connected to the first secondary channel 120 or the second secondary channel 320, so as to realize electrical connection between the first secondary channel 120 and the distributed secondary box 100 and electrical connection between the second secondary channel 320 and the centralized secondary box 300. The first secondary channel 120 and the distributed secondary box 100 and the second secondary channel 320 and the centralized secondary box 300 are connected by the plug-in terminal 600, so that the installation and the disassembly are convenient. A plurality of plug terminal 600 can be the same, also can be different, plug terminal 600 can be any model, and this embodiment does not do any restriction to a plurality of plug terminal 600, can specifically select or set up according to actual conditions can.
Referring to fig. 4 and 5, the centralized secondary box 300 is provided with a second accommodating cavity 310, the first closing switch 130 is disposed in the first accommodating cavity 110 and is in signal connection with the distributed power distribution terminal 200, and the second closing switch 330 is disposed in the second accommodating cavity 310 and is in signal connection with the centralized power distribution terminal 400. The first closing switch 130 is configured to convert an electrical device such as a circuit breaker from an open position to a closed position in the distributed secondary box 100, and the second closing switch 330 is configured to convert an electrical device such as a circuit breaker from an open position to a closed position in the centralized secondary box 300, where the first closing switch 130 and the second closing switch 330 may be the same or different, for example, the first closing switch 130 and the second closing switch 330 may be both switches of any type, such as an air switch and an automatic closing switch.
Referring to fig. 6 to 8, the first disconnecting switch 140 is disposed in the first accommodating cavity 110 and is in signal connection with the distributed power distribution terminal 200, and the second disconnecting switch 340 is disposed in the second accommodating cavity 310 and is in signal connection with the centralized power distribution terminal 400. The first disconnecting switch 140 is a switch for switching an electrical device such as a circuit breaker from a closed position to an open position in the distributed secondary box 100, and the second disconnecting switch 340 is a switch for switching an electrical device such as a circuit breaker from a closed position to an open position in the centralized secondary box 300. The first switch 140 and the second switch 340 may be the same or different, and may be both air switches or automatic switches. In this embodiment, the first disconnecting switch 140 and the second disconnecting switch 340 are not limited at all, and only the function of converting the closing position into the opening position of the electrical equipment such as the circuit breaker and the like can be achieved.
The first local discharge signal acquisition device 150 is disposed in the first accommodating cavity 110 and is in signal connection with the distributed power distribution terminal 200, and the first local discharge signal acquisition device 150 is configured to acquire a local discharge signal in the distributed secondary box 100, convert the local discharge signal into a pulse signal or a digital signal, and transmit the pulse signal or the digital signal to the distributed power distribution terminal 200. The second partial discharge signal collecting device 350 is disposed in the second accommodating cavity 310, and is in signal connection with the centralized power distribution terminal 400, and the second partial discharge signal collecting device 350 is configured to collect a partial discharge signal in the centralized secondary box 300, and convert the partial discharge signal into a pulse signal or a digital signal, and transmit the pulse signal or the digital signal to the centralized power distribution terminal 400. The first local discharge signal collecting device 150 and the second local discharge signal collecting device 350 may be a local discharge signal collector, such as a CYBERIOT SE200 type local discharge signal collector, and the like, and in this embodiment, the first local discharge signal collecting device 150 and the second local discharge signal collecting device 350 are not limited at all, and may be specifically selected or set according to actual situations.
The first temperature collecting device 160 is disposed in the first accommodating cavity 110, is in signal connection with the distributed power distribution terminal 200, and is configured to collect the temperature in the first accommodating cavity 110, convert the temperature in the first accommodating cavity 110 into a digital signal or a pulse signal, and transmit the digital signal or the pulse signal to the distributed power distribution terminal 200. The second temperature collecting device 360 is disposed in the second accommodating cavity 310, is in signal connection with the centralized power distribution terminal 400, and is configured to collect the temperature in the second accommodating cavity 310, convert the temperature in the second accommodating cavity 310 into a digital signal or a pulse signal, and transmit the digital signal or the pulse signal to the centralized power distribution terminal 400. The first temperature acquisition device 160 and the second temperature acquisition device 360 may be contact type temperature acquisition devices, such as thermocouple temperature sensors, and the like, or may be non-contact type temperature acquisition devices, such as infrared thermometers, and the like. In this embodiment, neither the first temperature acquisition device 160 nor the second temperature acquisition device 360 is limited, and only the function of measuring temperature is required.
The first indicator light 170 is disposed on an outer surface of the distributed secondary box 100, and is in signal connection with the distributed power distribution terminal 200, and is used for indicating whether electrical equipment in the distributed secondary box 100 works normally. The second indicator light 370 is disposed on an outer surface of the centralized type secondary box 300, and is in signal connection with the centralized type power distribution terminal 400, and is used for indicating whether the electrical equipment in the centralized type secondary box 300 is working normally. For example, when the electrical device is operating normally, the first indicator light 170 and the second indicator light 370 emit light of a first color, and when the electrical device is operating abnormally, the first indicator light 170 and the second indicator light 370 emit light of a second color. The first indicator light 170 and the second indicator light 370 may be the same or different, for example, the first indicator light 170 and the second indicator light 370 may both be LED chips or colored light beads. In this embodiment, the first indicator light 170 and the second indicator light 370 are not limited in any way, and only need to implement the function of emitting light of different colors under the control of the distributed power distribution terminal 200 and the centralized power distribution terminal 400, respectively.
Referring to fig. 9, an embodiment of the present application provides a ring main unit 20, including: the ring main unit comprises a secondary chamber 10, a high-pressure chamber 21 and a mechanism chamber 22.
The beneficial effects of the ring main unit secondary chamber 10 have been described in detail in the above embodiments, and are not described herein again.
The high-voltage chamber 21 is also the bus chamber of the ring main unit 20, and the high-voltage chamber 21 may be a fully-enclosed chamber for installing high-voltage equipment, such as a three-phase cable connected from an external power supply. The mechanism chamber 22 is clamped between the ring main unit secondary chamber 10 and the high-pressure chamber 21, is respectively connected with the ring main unit secondary chamber 10 and the high-pressure chamber 21, and is used for installing various monitoring devices, indicating devices and the like.
In an embodiment, the ring main unit 20 further includes a second aviation plug 23, the second aviation plug 23 is disposed in the mechanism room 22 and is used for connecting the distributed secondary box 100 or the centralized secondary box 300, the second aviation plug 23 is matched with the first aviation plug 500, and the second aviation plug 23 can be connected with the first aviation plug 500 in a one-to-one correspondence manner.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a looped netowrk cabinet secondary chamber which characterized in that includes:
the distributed secondary box (100) is provided with a first accommodating cavity (110);
a distributed power distribution terminal (200) disposed in the first receiving cavity (110);
a centralized secondary box (300);
a centralized power distribution terminal (400) disposed outside the centralized secondary box (300);
at least two first inserts (500) respectively arranged on the external surfaces of the distributed secondary box (100) and the centralized secondary box (300); the first aerial plug (500) arranged on the outer surface of the distributed secondary box (100) is in signal connection with the distributed power distribution terminal (200), and the first aerial plug (500) arranged on the outer surface of the centralized secondary box (300) is in signal connection with the centralized power distribution terminal (400).
2. The ring main unit secondary chamber as claimed in claim 1, further comprising:
a first secondary channel (120) disposed on an outer surface of the distributed secondary tank (100);
a second secondary channel (320) disposed on an exterior surface of the centralized secondary tank (300).
3. The ring main unit secondary chamber as claimed in claim 2, further comprising:
the first secondary channel (120) and the distributed secondary box (100) and the second secondary channel (320) and the centralized secondary box (300) are connected through the plug terminals (600).
4. The ring main unit secondary chamber as claimed in claim 1, wherein the centralized secondary box (300) is opened with a second accommodating cavity (310), and the ring main unit secondary chamber (10) further comprises:
the first closing switch (130) is arranged in the first accommodating cavity (110) and is in signal connection with the distributed power distribution terminal (200);
and a second closing switch (330) disposed in the second receiving cavity (310) and in signal connection with the centralized power distribution terminal (400).
5. The ring main unit secondary chamber as claimed in claim 4, further comprising:
the first opening switch (140) is arranged in the first accommodating cavity (110) and is in signal connection with the distributed power distribution terminal (200);
and the second disconnecting switch (340) is arranged in the second accommodating cavity (310) and is in signal connection with the centralized power distribution terminal (400).
6. The ring main unit secondary chamber as claimed in claim 4, further comprising:
the first local signal acquisition equipment (150) is arranged in the first accommodating cavity (110) and is in signal connection with the distributed power distribution terminal (200);
and the second partial discharge signal acquisition equipment (350) is arranged in the second accommodating cavity (310) and is in signal connection with the centralized power distribution terminal (400).
7. The ring main unit secondary chamber as claimed in claim 4, further comprising:
the first temperature acquisition equipment (160) is arranged in the first accommodating cavity (110) and is in signal connection with the distributed power distribution terminal (200);
and the second temperature acquisition equipment (360) is arranged in the second accommodating cavity (310) and is in signal connection with the centralized power distribution terminal (400).
8. The ring main unit secondary chamber as claimed in claim 1, further comprising:
the first indicator light (170) is arranged on the outer surface of the distributed secondary box (100) and is in signal connection with the distributed power distribution terminal (200);
and the second indicator light (370) is arranged on the outer surface of the centralized secondary box (300) and is in signal connection with the centralized power distribution terminal (400).
9. A ring main unit, comprising:
the ring main unit secondary chamber (10) according to any one of claims 1-8;
a high-pressure chamber (21);
and a mechanism chamber (22) connected to the secondary chamber (10) and the high-pressure chamber (21), respectively.
10. The ring main unit as claimed in claim 9, further comprising:
the second aviation plug (23) is arranged in the mechanism room (22) and used for connecting the distributed secondary box (100) or the centralized secondary box (300), and the second aviation plug (23) is matched with the first aviation plug (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236532.2U CN212571893U (en) | 2020-06-30 | 2020-06-30 | Ring main unit secondary chamber and ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021236532.2U CN212571893U (en) | 2020-06-30 | 2020-06-30 | Ring main unit secondary chamber and ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571893U true CN212571893U (en) | 2021-02-19 |
Family
ID=74614088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021236532.2U Active CN212571893U (en) | 2020-06-30 | 2020-06-30 | Ring main unit secondary chamber and ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212571893U (en) |
-
2020
- 2020-06-30 CN CN202021236532.2U patent/CN212571893U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202495807U (en) | Remote centralized measurement and control system for power distribution network | |
| CN102638097A (en) | Remote concentrated measurement and control system for distribution network | |
| CN103107595B (en) | Substation automation system in prefabricated transformer substation | |
| CN105098645B (en) | Distribution automation cabinet and application thereof | |
| CN212990980U (en) | Intelligent circuit breaker on primary and secondary deep fusion column | |
| CN211377370U (en) | Intelligent distributed power distribution terminal with communication and optical fiber differential protection functions | |
| CN212571893U (en) | Ring main unit secondary chamber and ring main unit | |
| CN217766639U (en) | Distribution automation terminal debugging acceptance inspection auxiliary instrument | |
| CN219106893U (en) | Compact box-type substation | |
| CN208623389U (en) | A kind of one or two fusion feed line automatization terminals | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN213243363U (en) | Ring main unit secondary chamber, ring main unit and ring main unit system | |
| CN114242509A (en) | Breaker on deep fusion column | |
| CN212182948U (en) | 10/0.4kV pole transformer substation low-voltage distribution box for oil and gas field station yard | |
| CN109193936B (en) | Ring main unit high-protection system and method | |
| CN208385846U (en) | Integrated ring network cabinet with DTU | |
| CN203278057U (en) | Intelligent prefabricated transformer substation | |
| CN201789268U (en) | Dividing circuit breaker equipment | |
| CN105098646B (en) | A kind of indoor intelligence 10kV demarcation circuit breaker switchgears with communication function | |
| CN204905742U (en) | Middling pressure looped netowrk vacuum circuit breaker cabinet | |
| CN214154146U (en) | Intelligent distributed measurement and control device for power distribution network | |
| CN217642863U (en) | Photovoltaic grid-connected circuit breaker of integrated intelligent gateway | |
| CN211017999U (en) | Low-voltage switch system and distribution board thereof | |
| CN217848771U (en) | Novel intelligent box transformer | |
| CN219107132U (en) | Intelligent distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.11, nanshai Road, Haizhu District, Guangzhou, Guangdong 510300 Patentee after: Guangzhou Southern POWER Group Electric Apparatus Co.,Ltd. Address before: No.11, nanshai Road, Haizhu District, Guangzhou, Guangdong 510300 Patentee before: GUANGZHOU SOUTHERN POWER GROUP ELECTRIC APPARATUS CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |