CN103049967B - Low-voltage pre-pay control cabinet - Google Patents
Low-voltage pre-pay control cabinet Download PDFInfo
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- CN103049967B CN103049967B CN201110309392.6A CN201110309392A CN103049967B CN 103049967 B CN103049967 B CN 103049967B CN 201110309392 A CN201110309392 A CN 201110309392A CN 103049967 B CN103049967 B CN 103049967B
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- control cabinet
- metering cabinet
- housing
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Abstract
The invention discloses a low-voltage pre-pay control cabinet which comprises a casing and a body arranged in the casing, wherein the body comprises a metering cabinet and a control cabinet which are mutually connected. The invention provides a floor type low-voltage pre-pay control metering cabinet which is convenient to install and overhaul, reduces danger coefficients simultaneously, has the advantages of being free of maintenance, oil dripping and pollution and the like, has the hood sensor effect and can achieve mutual monitoring between power consumers and electric power departments.
Description
Technical field
The present invention relates to power industry, be specifically related to one and be applicable to city net, rural power grids outdoor substation, also can be used for the various matched transformer electric field of industrial enterprise prepayment control metering cabinet.
Background technology
The chest cabinet of the common batch meter of low pressure adopts iron sheet, gets rusty easily, the life-span is short.The common batch meter of low pressure only with function of measuring, be not with control and pre paid functionality.And need to be arranged on electric pole, very inconvenient.Collecting data can only adopt simple people for checking meter, and needs to remove ladder, upper electric pole also exists potential safety hazard.During every charge calculation at the end of month, worker will arrive each electricity consumption each household and check meter, and there will be drawbacks such as copying Wrong, missing is copied, miscalculation.And the high-voltage cable of the common batch meter of low pressure is suspended in the air, is easy to come off, there is very large potential safety hazard.In actual use, electricity consumer and power supply department are often with regard to the correctness generation electricity consumption dispute of the counting of ammeter.Due to the design defect of the common batch meter of low pressure, often there is electricity filching behavior to occur, waste electric power resource.
Summary of the invention
For the demand, the technical matters of solution of the present invention is, a kind of console mode prepaid low-voltage is provided to control metering cabinet, not only install, overhaul conveniently, reduce danger coefficient simultaneously, there is non-maintaining, not oil dripping, the advantage such as pollution-free, there is unpacking warning function, the mutual monitoring of electricity consumer and power department can be realized.
The technical scheme of prepaid low-voltage control cabinet of the present invention is as follows.
Prepaid low-voltage control cabinet of the present invention comprises housing, and is arranged on the body in housing, and described body comprises interconnective metering cabinet and switch board two cabinets.
Wherein, described metering cabinet comprises the electric energy meter, acquisition terminal, connecting terminal block and the combined connection box that connect in turn.
Wherein, described switch board comprises and connects A.C. contactor and current transformer in turn by cable.
Wherein, described current transformer is three.
Wherein, described body also comprises control connection terminal, and described A.C. contactor is connected with control connection terminal respectively by control line.
Wherein, the thickness of described housing is 1.2-1.5mm.
Wherein, described housing doorframe surrounding is provided with U-shaped groove.
Beneficial effect of the present invention is as follows.
The present invention does not need manual metering, solves potential safety hazard, and the data correctness provided is errorless, thus solves electricity consumption dispute, saved electric power resource, achieves modernization scientific management.
Accompanying drawing explanation
Accompanying drawing 1 represents present system schematic diagram.
Wherein, 1, A.C. contactor; 2, current transformer; 3, connection terminal is controlled; 4, combined connection box.5, electric energy meter.
Embodiment
Below in conjunction with accompanying drawing, prepaid low-voltage control cabinet of the present invention is further described.
Shown in accompanying drawing, be split type according to prepaid low-voltage control cabinet of the present invention, point metering cabinet and switch board two cabinet compositions, be provided with housing outside two cabinets.Namely prepaid low-voltage control cabinet of the present invention comprises the body be arranged in housing, described body comprises interconnective metering cabinet and switch board two cabinets, wherein, described metering cabinet comprises electric energy meter 5, acquisition terminal, connecting terminal block and the combined connection box 4 connected in turn.Wherein, described switch board comprises and connects A.C. contactor 1 and current transformer 2 in turn by cable.Described current transformer 2 is three.Wherein, described body also comprises control connection terminal, and described A.C. contactor 1 is connected with control connection terminal 3 respectively by control line.Wherein, the thickness of described housing is 1.2-1.5mm.Wherein, described housing doorframe surrounding is provided with U-shaped groove.
Metering units electrical equipment is: have electric energy meter, acquisition terminal and connecting terminal block; Combined connection box, secondary line, door contact etc.; Control module: current transformer one group, CJ20S pressureless energy-saving self-sustaining A.C. contactor, copper bar, connection bus BV BVR.
According to the prepaid low-voltage control cabinet management function of band measurement instrument, the metering units of low-temperature measurement pre-control case, control module and subscriber unit should independence separately, and metering units and control module can be sealed up respectively.The metering cabinet cabinet door of special change user is provided with the local power purchase pushbutton switch of user, can carry out closing operation voluntarily.This executive component is arranged in the wicket of locking (locking for a case one), only for authorized individuals's operation, ensures handling safety.
In prepaid low-voltage control cabinet between each electrical part and they are to the distance of shell, the requirement of electrical separation, creepage distance should be able to be met, and be convenient to daily servicing and change.
The class of insulation of prepaid low-voltage control cabinet should match with the rated voltage of low-voltage network.Cabinet shell should have reliable ground point, and degree of protection meets the requirement of GB4208-93;
On-load switch rated current doubly configures by the 1.5-2 of agreed-upon capacity and is placed in (as 250KVA becomes, electric current should be 380A, and on-load switch rated current between 570A-760A, should get 630A switch, and------the rest may be inferred) in casing.The housing of prepaid low-voltage control cabinet must select 1.2-1.5mm and above corrosion resistant plate (steel plate label: 3042B and more than) to make, and through good antirust, anti-corrosion treatment.Adopt enclosed construction, good dust-proof, rainwater-proof, anti-toy and window shutter heat sinking function must be possessed, casing should be installed mechanical type cylinder drawback lock (key of each lockset will ensure in the scope required general) and be furnished with the facility that can seal up, as adapted pick-proof sealing cap, its envelope axle should be supporting with pick-proof sealing cap.
Prepaid low-voltage control cabinet two upper lateral part establishes cable into and out of string holes, and entrance hole reserves blind plate sealing, during installation only need to hole knock gently and just can open and use, add rain cover and O-ring seal outside hole, rainproof good water-proof effect.Adopt U-shaped groove design around door frame of box, avoid rainwater to flow in case.Adopt external door structural design, smooth attractive in appearance.Door is divided into display window region, pilot lamp region, operating area and safety notice.Pilot lamp is used to indicate box equipment running status, and presses different colours difference display, is convenient to observe and inspection.
Prepaid low-voltage control cabinet case observation window (part not containing measurement instrument in case does not need to establish view window) adopts the PC material of 4mm and above thickness, has some strength, resistance to deformation, anticorrosive, anti-aging, discoloration.Can metering outfit in complete observation to case by view window.View window and casing should seamlessly be combined closely.
The line pile crown of the control box adapted switch of prepaid low-voltage control cabinet should draw connection bronze medal, is convenient to line cable and installs connection.The distribution of bronze medal should meet electrified body between phase and phase with the safe distance of electrified body and shell.
The connection bronze medal that pile crown is drawn should use copper material BV, BVR, and presses agreed-upon capacity selection busbar cross-section; Copper sleeve will be selected in coupling part, with hydraulic tongs compress, current lead-through wants good.
In casing, all devices and metal fastenings all can anti-corrosions, anti-oxidation.
Technical feature:
Rated voltage: 3 × 220V/380V, when operating voltage fluctuates within the scope of the 70%-120% of rated voltage, pre-payment control box can normally work; Prepaid low-voltage control cabinet, when lacking arbitrary phase power supply, all can normally work; The control section of prepaid low-voltage control cabinet must meet the Triphase control-rate intelligent electric energy meter (carrier wave) of state's network mark standard, the controlling functions requirement of Triphase control-rate intelligent electric energy meter (wireless), specially change acquisition terminal.Prepaid low-voltage control cabinet is after the success of user's power purchase, and possess and closed a floodgate and the alternative of being closed a floodgate by main station type by local mode, switching button has clear and definite mark, determines combined floodgate mode for user.
Prepaid low-voltage control cabinet batch meter is provided with installs fixed orifice be equipped with iron fitting, can meet cross-arm or anchor ear on bar and install, lands fixed installation and hang the various ways such as wall installation.
Stube cable all must put wire size pipe, stamps wire size, adopts fastening type wire size, and moment of friction is large, not easily slides, in order to avoid wire size pipe drops out in installation process, wire size mark is corresponding, ensures the consistance of terminals two pattern.
The invention has the beneficial effects as follows: can realize paying tariff in advance, remote power utilization information data acquisition, Long-distance Control, user power utilization protect, overhaul, realize low-pressure side metering; low-pressure side controls; because the present invention is made up of low-temperature measurement pre-payment control box, possess metering and billing, spatial load forecasting, expense control, data acquisition, remote meter reading, automatic alarm, the function such as anti-electricity-theft.Ensure that the timely recovery of the electricity charge, the electricity charge moon monthly closing entry zero, and large decrease electricity consumption dispute, prevent the generation of user's electricity filching behavior, the informationalized scientific management theory of power supply unit can be embodied again.
The above is only the preferred embodiment of the present invention; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. a low pressure prepayment switch board, comprise housing, and be arranged on the body in housing, it is characterized in that, described body comprises interconnective metering cabinet and switch board two cabinets;
Described metering cabinet comprises the electric energy meter, acquisition terminal, connecting terminal block and the combined connection box that connect in turn;
Described switch board comprises and connects A.C. contactor and current transformer in turn by cable;
Described current transformer is three;
Described body also comprises control connection terminal, and described A.C. contactor is connected with control connection terminal respectively by control line;
The thickness of described housing is 1.2-1.5mm;
Described housing doorframe surrounding is provided with U-shaped groove;
Described metering cabinet is provided with the local power purchase pushbutton switch of user;
Described metering cabinet is provided with to be installed fixed orifice and is equipped with iron fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309392.6A CN103049967B (en) | 2011-10-13 | 2011-10-13 | Low-voltage pre-pay control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309392.6A CN103049967B (en) | 2011-10-13 | 2011-10-13 | Low-voltage pre-pay control cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103049967A CN103049967A (en) | 2013-04-17 |
| CN103049967B true CN103049967B (en) | 2015-06-24 |
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ID=48062592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110309392.6A Active CN103049967B (en) | 2011-10-13 | 2011-10-13 | Low-voltage pre-pay control cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN103049967B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103257257A (en) * | 2013-05-03 | 2013-08-21 | 山东菲达电器有限公司 | Electricity larceny prevention low-voltage measuring cabinet |
| CN112595868B (en) * | 2020-10-16 | 2024-07-12 | 浙江大有实业有限公司杭州科技发展分公司 | Intelligent internet of things meter box |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060550U (en) * | 1989-02-26 | 1990-08-15 | 长春市电气器材厂 | Supper-wide load electrical energy metering mechanism |
| CN2329973Y (en) * | 1998-05-06 | 1999-07-21 | 陈寿虎 | Three-phase watt-hout meter capable of avoiding fraudulent use of electricity |
| KR100358002B1 (en) * | 1999-07-26 | 2002-10-25 | 상덕전기 주식회사 | all competent composition electric panel |
| KR200183804Y1 (en) * | 1999-07-26 | 2000-06-01 | 상덕전기주식회사 | All competent composition electric panel |
| CN201993838U (en) * | 2011-01-19 | 2011-09-28 | 江西光景电力设备有限公司 | Low-voltage prepayment control cabinet |
| CN202217342U (en) * | 2011-10-13 | 2012-05-09 | 江西光景电力设备有限公司 | Prepaid low-voltage control cabinet |
-
2011
- 2011-10-13 CN CN201110309392.6A patent/CN103049967B/en active Active
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| CN103049967A (en) | 2013-04-17 |
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Denomination of invention: Low-voltage pre-pay control cabinet Effective date of registration: 20190917 Granted publication date: 20150624 Pledgee: Bank of Communications Ltd Jiangxi branch Pledgor: Jiangxi Guangjing Electric Power Equipment Co., Ltd. Registration number: Y2019360000010 |