CN203911324U - Novel secondary terminal box - Google Patents
Novel secondary terminal box Download PDFInfo
- Publication number
- CN203911324U CN203911324U CN201420308660.1U CN201420308660U CN203911324U CN 203911324 U CN203911324 U CN 203911324U CN 201420308660 U CN201420308660 U CN 201420308660U CN 203911324 U CN203911324 U CN 203911324U
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- interval
- main unit
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- 238000009826 distribution Methods 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
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- 238000001514 detection method Methods 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a novel secondary terminal box which comprises a primary equipment compartment and a secondary equipment compartment. The primary equipment compartment is internally provided with a voltage transformer and a grounding unit, and the secondary equipment compartment is internally provided with an automatic measuring and control terminal of intelligent power distribution, a network switch, a charging system, a temperature and humidity control system and a cable temperature measuring system, wherein the input end of the automatic measuring and control terminal of intelligent power distribution is connected with the output end of the temperature and humidity control system, the output end of the cable temperature measuring system, the output end of a primary loop of the voltage transformer, the secondary wiring end of a current transformer of a ring main unit and an auxiliary contact of a switch of the ring main unit; the output end of the automatic measuring and control terminal of intelligent power distribution is connected with the input end of the network switch; the output end of the network switch is connected with a peripheral network background and transmits data to the network background; the voltage transformer supplies power to remote control loops via the charging system; and the charging system comprises a charger and a storage battery, the input end of the charger is connected with the output end of a secondary loop of the voltage transformer, and the output end of the charger supplies power to the storage battery and the remote control loops.
Description
Technical field
The utility model relates to a kind of novel secondary termination rack, belongs to electrical power distribution automatization system technical field.
Background technology
Power distribution network couples together generating, transmission system and user, directly supplies electric energy to user.Along with the growth of power consumption and the development of electricity market; user improves constantly the demand of reliability, the quality of power supply and good service of power supply, and power distribution automation is exactly to realize monitoring, protection, control and the electricity consumption under normal operation and accident condition and the modernization of distribution management to power distribution network and equipment thereof.
Ring main unit mainly plays a part to distribute electric energy, contact loop grid, isolated fault point in power distribution network, while is due to the propelling of intelligent distribution network, it requires power distribution network can realize the function of " remote measurement, remote signalling, remote control ", by the real-time monitoring to power distribution network, promote distribution scheduling fail safe, avoid " blind tune " phenomenon causing due to supporting information deficiency.Substantially all can not meet the requirement of " three is distant " for each current regional ring main unit, cannot carry out real-time state monitoring, cannot carry out data acquisition.
Summary of the invention
The technical problems to be solved in the utility model is that existing power distribution network ring main unit cannot meet the function of " remote measurement, remote signalling, remote control ", cannot carry out real-time state monitoring, cannot carry out data acquisition, due to supporting information deficiency, " blind tune " phenomenon usually causing.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: novel secondary termination rack, use for the ring main unit that coordinates peripheral hardware, described ring main unit comprises an inlet wire interval and more than one operation range, and described secondary terminals case comprises primary equipment interval and secondary device interval; Described primary equipment is provided with voltage transformer and ground unit in interval; The input of described voltage transformer primary circuit connects the output of looped network cabinet wire spacing, and the output of Secondary Circuit of Potential Transformer connects respectively the remote control circuit in each operation range of ring main unit; On described primary circuit and secondary circuit, each series connection arranges a fuse; Ground unit is installed on the inner side at primary equipment interval and extends to case external ground; In described secondary device interval, be provided with intelligent power distribution automatic measure control terminal, the network switch, charging system, temperature and humidity control system and cable temp measuring system; The input of described intelligent power distribution automatic measure control terminal connects respectively the secondary connection end of the current transformer of output, the ring main unit of output, the voltage transformer primary circuit of temperature and humidity control system and cable temp measuring system, the auxiliary contact that ring main unit divides combination switch; The input of the output interconnection network switch of intelligent power distribution automatic measure control terminal, the output of the network switch connects and transmits the net background of data to peripheral hardware; Aforesaid voltage instrument transformer is given each remote control circuit power supply by charging system, and described charging system comprises charger and storage battery, and the input of charger connects the secondary circuit output of voltage transformer, and its output connects and is storage battery and the power supply of each remote control circuit.
Voltage transformer is set and has two effects: the first, gather the line voltage distribution of ring main unit and magnitude of voltage is inputted in intelligent power distribution automatic measure control terminal and monitored in real time; The second, for each remote control circuit of ring main unit provides operating power, realize the electric remote control deciliter function of ring main unit; The setting of fuse, for disengagement failure electric current, ground unit makes whole casing reliable ground, in order to eliminate residual voltage in ring main unit after having a power failure; When use, adopt the secondary connection end and the intelligent power distribution automatic measure control terminal that connect the current transformer of ring main unit with 4 core secondary cables of armouring, the current value that gathers ring main unit carries out Real-Time Monitoring; Adopting with 16 core secondary cables of armouring and connect auxiliary contact and the intelligent power distribution automatic measure control terminal that ring main unit divides combination switch, is for Real-Time Monitoring looped network cabinet switch deciliter state; By the current value of ring main unit, magnitude of voltage, switch deciliter state, the information such as temperature are after intelligent power distribution automatic measure control terminal gathers, in order to carry out sampling and the monitoring of ring main unit internal data, detection and Identification equipment fault automatically, diagnostic device state also carries out remote maintenance; And the setting of the network switch is convenient to real time information to be delivered to long-range monitoring backstage, for the debugging of network and uploading of sampled data.Described charging system, in order to convert the alternating voltage of Secondary Circuit of Potential Transformer output the power supply of direct voltage output as each remote control circuit to, can provide back-up source simultaneously after power failure, makes the ring main unit still can normal running deciliter.Charging system comprises charger and storage battery, and in the time that ring main unit normally moves, voltage transformer is powered to charger, and charger becomes direct current the alternating current of voltage transformer confession and supplies with control loop, also charges a battery simultaneously; In the time that ring main unit has a power failure, storage battery provides back-up source by charger to control loop.Therefore, no matter ring main unit is at running status or power down mode, can by remote control circuit operate looped network cabinet switch deciliter.
As a kind of improvement project of the present utility model, the rear portion at primary equipment interval is also provided with pressure release shrouding.Pressure release shrouding is installed on rear portion, primary equipment interval, in order to the gas pressure producing after release voltage mulual inductor malfunction.
As another kind of improvement project of the present utility model, in primary equipment interval, be also provided with secondary cable tray and communication cable passage, secondary cable tray and communication cable passage are separately positioned on the left and right sides at primary equipment interval.Secondary cable tray is set, for secondary cable provides special line passage, guarantee primary equipment break down after secondary device still can normally work; Secondary cable tray and communication cable passage are separately positioned on to the left and right sides at primary equipment interval, guarantee that communication system and electrical system keep apart, avoid being subject to electromagnetic interference in signal transmission.
As another kind of improvement project of the present utility model, between aforesaid primary equipment interval and secondary device interval casing and cabinet door, be provided with sealing strip.Be convenient to cabinet inner sealing, prevent that moisture from entering.
As another kind of improvement project of the present utility model, aforesaid secondary device is interval with the observation window of doubling glass, and the position of observation window is corresponding with intelligent power distribution automatic measure control terminal display screen position.This design is convenient to check the ruuning situation of internal component in the situation that not opening cabinet door.
The beneficial effects of the utility model are: communication equipment and secondary device are arranged on secondary device interval, and primary equipment is arranged in primary equipment interval, and two compartments are completely independent, and compartment all can overhaul separately, do not hinder another compartment normally to work; By intelligent power distribution automatic measure control terminal Real-time Collection monitoring ring main unit, realize collection and the transfer function of " three is distant " data; Secondary terminals case is arranged in metal outdoor room, compact conformation, and floor space is little, and inspection operation is convenient; By the real-time monitoring to line facility, realize quick location and the isolation of fault point, solve scheduling " blind tune " phenomenon, Fault Isolation is also recovered to greatest extent in minimum zone to the power supply of non-fault zone, reduce the impact on user, shorten the fault outage time, reduce power failure range, improve power supply reliability.
Brief description of the drawings
Fig. 1 is that the utility model termination rack internal component is arranged schematic diagram.
Fig. 2 is the utility model terminal integral outer structural representation.
Fig. 3 is the utility model metal outdoor room scheme of installation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described:
As depicted in figs. 1 and 2, novel secondary termination rack of the present utility model is divided into primary equipment interval 15 and secondary device interval 14, and secondary device interval 14 is independent case body with primary equipment interval 15, arranges up and down, between two compartments, connects with 8.8 grades of securing members.Tank material adopts the 2.0mm cold-rolled steel sheet of surface plastic spraying to make, each sheet metal component of case chamber interior adopts steel oval head self-plugging rivet to rivet, four jiaos of casings stitch weldering, grinding process, case outdoor is all used stretching die punching if any rivet place, make tank surface level and smooth, can't see outstanding screw terminal.Two casees chamber door-plate panel beating adopts double-bending technique, and surrounding is furnished with sealing strip, makes door-plate and framework in the time closing, have good buffering, sealing effectiveness.Door lock, hinge adopt nano-spray technology, all through atmospheric exposure test, mechanical test, physico-chemical analysis test.Termination rack compact overall structure, firm, secondary device is interval with the observation window 13 of 10mm doubling glass, facilitates O&M personnel to observe the ruuning situation of inner Quadratic Finite Element device.
Primary equipment is provided with primary equipment in interval, comprises voltage transformer 7, pressure release shrouding 6, and secondary cable tray 10 and grounding system 9, wherein, voltage transformer 7 is for two effects: the first, gather the line voltage distribution of ring main unit; The second, for ring main unit remote control circuit provides operating power.Pressure release shrouding 6 is installed on rear portion, a chamber, if voltage transformer 7 breaks down and produces its gas pressure of a large amount of gas and can discharge from here, thus the personal safety in protection casing front.Secondary cable tray 10 is installed on the left side at primary equipment interval, for secondary cable provides special line passage, guarantee primary equipment break down after secondary device still can normally work.The right side that communication cable passage 8 is installed on primary equipment interval provides designated lane for optical fiber, guarantees that communication system and electrical system keep apart, and avoids being subject to electromagnetic interference in signal transmission.Grounding system 9 is installed on the inside of a chamber body, and extends to outside case, makes casing ground connection, after ensureing to have a power failure, eliminates residual voltage in ring main unit.
Intelligent power distribution automatic measure control terminal 1 is installed in secondary device interval, the network switch 3, charging system 4, fibre distribution frame 5, temperature and humidity control system 11, cable temp measuring system 12, intelligent power distribution automatic measure control terminal 1 is in order to carry out data sampling and monitoring, automatically detection and Identification equipment fault, diagnostic device state also carries out remote maintenance; The network switch 3 is for the debugging of network and upload; Thereby charging system 4 utilizes voltage transformer 7 to input 220V alternating voltage and converts 24V direct voltage output supply ring main unit motor-operating mechanism to, for realizing rear operating time >=24 hour of extraneous power supply power failure, supports 10 switching manipulations simultaneously; Temperature and humidity control system 11, for detection of termination rack inside real time temperature and humidity, automatically carries out heating and dehumidification function in the time that ambient temperature is not good; Cable temp measuring system 12 is for Real-time Collection cable head temperature, and in the time that the normal electric current of event appears in primary equipment, cable temperature can sharply rise, and cable temp measuring system can send alarm signal.
Between novel secondary termination rack and ring main unit, be connected to realize alternately collection and the transmission of three distant data.
As shown in Figure 3, the casing 16 in metal outdoor room adopts modularized design, all with bolts, has both been convenient to assembling, is convenient for changing again the parts of damage; What tank material all adopted surface plastic spraying covers aluminium zine plate, and thickness is 2.0mm, has the strong turbid ability of anti-corruption; Box parts is sheet-metal member, for riveted joint or the on-deformable welding of bolt connection, lightweight, elegant in appearance each other.Tank surface fastener-free can be for dismounting, and anti-theft is good.Top cover is air blanketing formula double-decker, and is provided with ventilating opening; Air inlet is located at cabinet panel place, and has dismountable anti-dust filter mesh; Air outlet is arranged on casing top, and is hidden in below eaves; Form cross-ventilation from bottom to top, make casing there is good heat insulation and ventilation effect; Top cover has the draining inclination angle of 3 degree, has the effect of draining; Bottom half has the sealed type floor of long cable section of ingoing line mouth, prevents that the moisture in cable trough from entering casing.Door and hanger are sentenced sealing strip sealing; Door lock is rain proof type structure; When door is opened, limited location drag hook makes door be convenient to fix.Metal outdoor room size: the high 1600mm of the dark 850mm* of wide 850mm*.
Novel secondary termination rack of the present utility model can be realized the functions such as the data acquisition, equipment state supervision, straighforward operation, data statistics of primary equipment inside, and case chamber all can be overhauled separately, do not hinder another case chamber normally to work, by the real-time monitoring to line facility, realize quick location and the isolation of fault point, effectively solve scheduling " blind tune " phenomenon.
On the one hand, in order to realize the function such as data-signal collection, equipment state supervision, straighforward operation, data statistics of a ring main unit inside, meet management and running personnel basic need, realize the interactive of user, promote the good service level of power distribution network.On the other hand, because geographical position limitation novel secondary termination rack and the ring main unit profile style of main city core space are unified, floor space is little, easy to operate.
Claims (5)
1. novel secondary termination rack, uses for the ring main unit that coordinates peripheral hardware, and described ring main unit comprises an inlet wire interval and more than one operation range, it is characterized in that: described secondary terminals case comprises primary equipment interval and secondary device interval;
Described primary equipment is provided with voltage transformer and ground unit in interval; The input of described voltage transformer primary circuit connects the output of looped network cabinet wire spacing, and the output of Secondary Circuit of Potential Transformer connects respectively the remote control circuit in each operation range of ring main unit; On described primary circuit and secondary circuit, each series connection arranges a fuse; Ground unit is installed on the inner side at primary equipment interval and extends to case external ground;
In described secondary device interval, be provided with intelligent power distribution automatic measure control terminal, the network switch, charging system, temperature and humidity control system and cable temp measuring system; The input of described intelligent power distribution automatic measure control terminal connects respectively the secondary connection end of the current transformer of output, the ring main unit of output, the voltage transformer primary circuit of temperature and humidity control system and cable temp measuring system, the auxiliary contact that ring main unit divides combination switch; The input of the output interconnection network switch of intelligent power distribution automatic measure control terminal, the output of the network switch connects and transmits the net background of data to peripheral hardware; Aforesaid voltage instrument transformer is given each remote control circuit power supply by charging system, and described charging system comprises charger and storage battery, and the input of charger connects the secondary circuit output of voltage transformer, and its output connects and is storage battery and the power supply of each remote control circuit.
2. novel secondary termination rack according to claim 1, is characterized in that: the rear portion at primary equipment interval is also provided with pressure release shrouding.
3. novel secondary termination rack according to claim 1 and 2, is characterized in that: in primary equipment interval, be also provided with secondary cable tray and communication cable passage, secondary cable tray and communication cable passage are separately positioned on the left and right sides at primary equipment interval.
4. novel secondary termination rack according to claim 1 and 2, is characterized in that: between aforesaid primary equipment interval and secondary device interval casing and cabinet door, be provided with sealing strip.
5. novel secondary termination rack according to claim 1 and 2, is characterized in that: aforesaid secondary device is interval with the observation window of doubling glass, the position of observation window is corresponding with intelligent power distribution automatic measure control terminal display screen position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308660.1U CN203911324U (en) | 2014-06-11 | 2014-06-11 | Novel secondary terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308660.1U CN203911324U (en) | 2014-06-11 | 2014-06-11 | Novel secondary terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911324U true CN203911324U (en) | 2014-10-29 |
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ID=51785570
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308660.1U Expired - Fee Related CN203911324U (en) | 2014-06-11 | 2014-06-11 | Novel secondary terminal box |
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| Country | Link |
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| CN (1) | CN203911324U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129867A (en) * | 2016-07-21 | 2016-11-16 | 四川汉舟电气股份有限公司 | A kind of Combined low-tension switch cabinet |
| CN110896248A (en) * | 2019-11-15 | 2020-03-20 | 深圳供电局有限公司 | Distributed distribution protection self-healing cabinet |
| CN111987614A (en) * | 2020-08-12 | 2020-11-24 | 广东电网有限责任公司清远供电局 | Switch cabinet |
-
2014
- 2014-06-11 CN CN201420308660.1U patent/CN203911324U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106129867A (en) * | 2016-07-21 | 2016-11-16 | 四川汉舟电气股份有限公司 | A kind of Combined low-tension switch cabinet |
| CN110896248A (en) * | 2019-11-15 | 2020-03-20 | 深圳供电局有限公司 | Distributed distribution protection self-healing cabinet |
| CN110896248B (en) * | 2019-11-15 | 2021-12-07 | 深圳供电局有限公司 | Distributed distribution protection self-healing cabinet |
| CN111987614A (en) * | 2020-08-12 | 2020-11-24 | 广东电网有限责任公司清远供电局 | Switch cabinet |
| CN111987614B (en) * | 2020-08-12 | 2022-11-04 | 广东电网有限责任公司清远供电局 | Switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |