CN105140786A - Intelligent distribution box of distribution transformer - Google Patents
Intelligent distribution box of distribution transformer Download PDFInfo
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- CN105140786A CN105140786A CN201510524044.9A CN201510524044A CN105140786A CN 105140786 A CN105140786 A CN 105140786A CN 201510524044 A CN201510524044 A CN 201510524044A CN 105140786 A CN105140786 A CN 105140786A
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- reset switch
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- distribution box
- power supply
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Abstract
The invention provides an intelligent distribution box of a distribution transformer, relates to intelligent power supply distribution management equipment, and aims at solving the problems that the connected point of a box body of an existing distribution box and external main power supply is arranged outside the box, so that the insulating sealing property is poor, and the box body is easily filled with water or affected with damp to oxidize, and is easy to age or overheat and the like, and the problems that the labor intensity of power constructors is increased during power-off maintenance and the like. The intelligent distribution box comprises an intelligent reset switch, an intelligent controller, a current relay protector, a control switch, a grounding protection device and a metering current transformer; the intelligent reset switch, the intelligent controller, the current relay protector, the control switch, the grounding protection device and the metering current transformer are fixed in the box body; the control switch is connected with the intelligent controller; the intelligent controller is connected with the intelligent reset switch; the intelligent reset switch is connected with the metering current transformer; the metering current transformer is connected with the current relay protector and an electric energy meter; and the intelligent reset switch is connected with the grounding protection device and load respectively. According to the intelligent distribution box, the main power supply can be automatically cut off by a distribution line in a power failure; and a three-phase short circuit of a load line is grounded, so that the safety of power supply maintenance personnel is ensured.
Description
Technical field
The present invention relates to a kind of intelligent power distribution management equipment, be specifically related to a kind of distribution and become platform intelligent distribution box.
Background technology
Along with the fast development of power grid construction, low voltage network has also carried out large-scale construction and transformation in recent years, comprises line insulation transformation, wire diameter strengthens, become platform insulating, standardization etc.Greatly improve the reliability of low-voltage power supply.But become platform multifunctional distribution box to since coming into operation, existing more than 10 year, do not obtain upgrading always, there is following safety and technical deficiency.
One, along with rapid economic development, when circuit (change platform) interruption maintenance, lack of standardization, a large number of users (especially urban district bustling business district) all uses that house generator generates electricity, electricity consumption.And existing with becoming platform multifunctional distribution box after power failure, main switch can not automatic deciliter, user's self power generation is very easily instead delivered on low-voltage distributing line by it, causes the generation of my electric power dimension, maintainer's electric shock accidents.Take precautions against way now to become platform and all add hanging earthing conductor, the labour intensity of the workmen that greatly increases electric power in everywhere when having a power failure exactly, simultaneously to the dress of so a large amount of ground wire, to tear management itself open be also great potential safety hazard.
Two, function singleness old by main switch model in case.Can not showing after fault trip is short circuit or overcurrent, and maintainer is robbed at scene cannot carry out complementary judgement accordingly.Casing and outside main power source tie point are located at case external insulation and seal not good, easily intake or oxidation of making moist, aging overheated, scaling loss.
Summary of the invention
The present invention is that the existing distribution box body of solution and outside main power source tie point are located at outside case, cause insulated enclosure not good, easy water inlet or oxidation of making moist, aging overheated problem, and when carrying out interruption maintenance, maintainer is robbed at existence scene cannot according to present field condition decision problem point, and then the problem such as the labour intensity of the workmen that increases electric power, provide a kind of distribution to become platform intelligent distribution box.
Distribution becomes platform intelligent distribution box, comprises the intelligent reset switch, intelligent controller, electric current relay protector, control switch, earth protective device and the metering current mulual inductor that are fixed on box house; Described control switch is connected with intelligent controller, and intelligent controller is connected with intelligent reset switch, and described intelligent reset switch is connected with metering current mulual inductor, and described metering current mulual inductor is connected electric energy meter with electric current relay protector; Described intelligent reset switch connects earth protective device, and electric energy meter connects load;
Described intelligent controller comprises accumulation power supply module, isolating transformer, detection module, cpu control circuit, automatic closing driving, the driving of decompression automatic brake separating, combined floodgate thyristor and separating brake thyristor; Described cpu control circuit drives with accumulation power supply module, isolating transformer, detection module, automatic closing respectively, decompression automatic brake separating drives and is connected; Described accumulation power supply module is connected with detection module, combined floodgate thyristor and separating brake thyristor respectively; Described combined floodgate thyristor is connected with the primary coil of intelligent reset switch; Separating brake thyristor is connected with the spare coil of intelligent reset switch.
Beneficial effect of the present invention: distribution of the present invention becomes platform intelligent distribution box under the constant prerequisite of all functions retaining former change station power distribution case, utilize a kind of New Low Voltage automatic distribution switch, realize automatically to disconnect main power source when distribution line has a power failure, and by charge circuit three-phase shortcircuit ground connection, to ensure that upkeep operation personal security is robbed in power supply.Effective solution first problem.
In case intelligent control switch be aided with CT and control annex, loop realizes having line fault overload, short-circuit protection and tripping operation identification Presentation Function, contribute to running, repair personnel scene judge process, reach functions expanding.In case, intelligent reset switch is intended adopting unique operation mechanism and two independently arc control device, has the features such as disjunction arc extinguishing ability is strong, operation is reliable, volume is little, mechanical endurance is long.
Casing and transformer electrically (transformer secondary power supply) are connected and adopt novel seal inserted sleeve, all insulation cluster type bus.Insulating degree is higher, installs simpler and more direct.Effectively can avoid easy aging overheated, the scaling loss of power connection points.While solution Second Problem.General idea realizes installing lighter, function and technology content is more, insulating degree is higher, it is more safe and reliable to run.Above assembly and sample product, after completing, after doing type approval test detection certification, carry out pilot application.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that distribution of the present invention becomes platform intelligent distribution box;
Fig. 2 is the position relationship schematic diagram that distribution of the present invention becomes the inner each element of platform intelligent distribution box;
Fig. 3 is the operation principle schematic diagram that distribution of the present invention becomes platform intelligent distribution box;
Fig. 4 is the schematic diagram that distribution of the present invention becomes intelligent controller in platform intelligent distribution box.
Embodiment
Embodiment one, composition graphs 1 to Fig. 4 illustrate present embodiment, distribution becomes platform intelligent distribution box, comprises the intelligent reset switch 3, intelligent controller 2, electric current relay protector 5, control switch 1, earth protective device 6 and the metering current mulual inductor 4 that are fixed on box house; Described control switch 1 is connected with intelligent controller 2, and intelligent controller 2 is connected with intelligent reset switch 3, and described intelligent reset switch 3 is connected with metering current mulual inductor 4, and described metering current mulual inductor 4 is connected electric energy meter with electric current relay protector 5; Described intelligent reset switch 3 connects earth protective device 6, and electric energy meter 7 connects load;
Intelligent controller 2 described in present embodiment comprises accumulation power supply module, isolating transformer, detection module, cpu control circuit, automatic closing driving, the driving of decompression automatic brake separating, combined floodgate thyristor and separating brake thyristor; Described cpu control circuit drives with accumulation power supply module, isolating transformer, detection module, automatic closing respectively, decompression automatic brake separating drives and is connected; Described accumulation power supply module is connected with detection module, combined floodgate thyristor and separating brake thyristor respectively; Described combined floodgate thyristor is connected with primary coil; Separating brake thyristor is connected with spare coil.
Also comprise the Surge Protector 9 and two relays 8 that are fixed on box house in present embodiment, described control switch 1 is connected with Surge Protector 9; Described two relays 8 are connected between intelligent controller 2 and electric current relay protector 5, and intelligent reset switch 3 connects earth protective device 6.Two described relays 8 realize two kinds of defencive functions respectively, and a relay realizes fast tripping protection, does not need setting-up time, when exceeding 3 ~ 4 times of normal electrical flow valuve when electric current, automatically disconnect protection; Another relay realizes overcurrent protection, needs setting-up time, and when overcurrent was more than 10 minutes, relay disconnects and realizes protection.
Intelligent controller 2 described in present embodiment controls automatic deciliter of intelligent reset switch 3, and intelligent reset switch 3 can by load side line three-phase and four-line from being dynamically connected earth protective device; Electric current relay protector 5 and intelligent reset switch 3 can electrical interlock and blocking function be protected, and show the various instructions of overcurrent, quick-break fault, and being convenient to attendant can repair in time.
Intelligent reset switch 3 described in present embodiment is the integral structure that PC level ATSE controls, and cabinet shell adopts SMC material tank.Casing has metering display window, for showing electric energy number.Casing outside is provided with door lock, and door lock is that hand box type substation door is locked.
Intelligent reset switch 3 model described in present embodiment is FW-630/4P; rated current 400A; the model of intelligent controller is SK-AC220V; electric current 5A; the model of electric current relay protector 5 is YT-CDJ-1; the model of control switch 1 is DZ47-C10/2P, and the model of metering current mulual inductor 4 is LMZJ1-0.66, and the model of Surge Protector 9 is CHX1-D420V80KA.
Surge Protector 9 in present embodiment is for the protection of thunder-lightning overvoltage etc.; simultaneously; also configure the turnover hunting terminal of big current fork type; to facilitate staff, timely replacing is installed; intelligent switch automatic blocking can be disconnected for when load overcurrent, short circuit overcurrent; ground protection; and demonstrate load overcurrent and short circuit overcurrent deixis; when normal interruption maintenance circuit, configuration automatic ground protection device, for maintainer provides safe and reliable guarantee; small product size is little; function is complete, easy for installation, simple to operate.
Claims (6)
1. distribution becomes platform intelligent distribution box, comprises the intelligent reset switch (3), intelligent controller (2), electric current relay protector (5), control switch (1), earth protective device (6) and the metering current mulual inductor (4) that are fixed on box house; It is characterized in that, described control switch (1) is connected with intelligent controller (2), intelligent controller (2) is connected with intelligent reset switch (3), described intelligent reset switch (3) is connected with metering current mulual inductor (4), and described metering current mulual inductor (4) is connected electric energy meter (7) with electric current relay protector (5); Described intelligent reset switch (3) connects earth protective device (6), and electric energy meter (7) connects load;
Described intelligent controller (2) comprises accumulation power supply module, isolating transformer, detection module, cpu control circuit, automatic closing driving, the driving of decompression automatic brake separating, combined floodgate thyristor and separating brake thyristor; Described cpu control circuit drives with accumulation power supply module, isolating transformer, detection module, automatic closing respectively, decompression automatic brake separating drives and is connected; Described accumulation power supply module is connected with detection module, combined floodgate thyristor and separating brake thyristor respectively; Described combined floodgate thyristor is connected with the primary coil of intelligent reset switch; Separating brake thyristor is connected with the spare coil of intelligent reset switch.
2. distribution according to claim 1 becomes platform intelligent distribution box, and it is characterized in that, also comprise Surge Protector (9) and relay (8), described control switch (1) is connected with Surge Protector (9); Described relay (8) is connected between intelligent controller (2) and electric current relay protector (5).
3. distribution according to claim 1 becomes platform intelligent distribution box, it is characterized in that, the integral structure that described intelligent reset switch (3) controls for PC level ATSE.
4. distribution according to claim 1 becomes platform intelligent distribution box, it is characterized in that, described casing has metering display window, for showing electric energy number.
5. distribution according to claim 1 becomes platform intelligent distribution box, it is characterized in that, cabinet shell adopts the cabinet shell of SMC material.
6. distribution according to claim 1 becomes platform intelligent distribution box, and it is characterized in that, described detection module is voltage comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524044.9A CN105140786B (en) | 2015-08-24 | 2015-08-24 | Distribution becomes platform intelligent distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510524044.9A CN105140786B (en) | 2015-08-24 | 2015-08-24 | Distribution becomes platform intelligent distribution box |
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| Publication Number | Publication Date |
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| CN105140786A true CN105140786A (en) | 2015-12-09 |
| CN105140786B CN105140786B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510524044.9A Active CN105140786B (en) | 2015-08-24 | 2015-08-24 | Distribution becomes platform intelligent distribution box |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118276Y (en) * | 2007-08-15 | 2008-09-17 | 孙志明 | Earth leakage circuit-breaker inverse transmission preventing device |
| CN201584666U (en) * | 2009-12-17 | 2010-09-15 | 平高集团智能电气有限公司 | Low-voltage comprehensive power distribution box |
| US20130010396A1 (en) * | 2011-07-10 | 2013-01-10 | Chen Wayne T | Voltage Transient Protection Circuitry |
| CN203503992U (en) * | 2013-10-22 | 2014-03-26 | 国家电网公司 | Low-voltage reactive compensation distribution box with grounding mechanism |
| CN204117277U (en) * | 2014-09-28 | 2015-01-21 | 浙江麦克力电气股份有限公司 | A kind of pre-payment opening circuit of breaker closing device electronic control mechanism |
| CN204947341U (en) * | 2015-08-24 | 2016-01-06 | 国家电网公司 | Distribution becomes platform intelligent distribution box |
-
2015
- 2015-08-24 CN CN201510524044.9A patent/CN105140786B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118276Y (en) * | 2007-08-15 | 2008-09-17 | 孙志明 | Earth leakage circuit-breaker inverse transmission preventing device |
| CN201584666U (en) * | 2009-12-17 | 2010-09-15 | 平高集团智能电气有限公司 | Low-voltage comprehensive power distribution box |
| US20130010396A1 (en) * | 2011-07-10 | 2013-01-10 | Chen Wayne T | Voltage Transient Protection Circuitry |
| CN203503992U (en) * | 2013-10-22 | 2014-03-26 | 国家电网公司 | Low-voltage reactive compensation distribution box with grounding mechanism |
| CN204117277U (en) * | 2014-09-28 | 2015-01-21 | 浙江麦克力电气股份有限公司 | A kind of pre-payment opening circuit of breaker closing device electronic control mechanism |
| CN204947341U (en) * | 2015-08-24 | 2016-01-06 | 国家电网公司 | Distribution becomes platform intelligent distribution box |
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| CN105140786B (en) | 2017-08-04 |
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Inventor after: Hou Ruichen Inventor after: Liu Qingfeng Inventor after: Han Yuting Inventor after: Gao Yunpeng Inventor after: Zhu Xiaofeng Inventor after: Li Chongyan Inventor after: Wang Zhenheng Inventor after: Wang Shiyuan Inventor before: Hou Ruichen Inventor before: Liu Qingfeng Inventor before: Han Yuting |
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