CN105301307A - Electricity larceny prevention type junction box for power metering device - Google Patents

Electricity larceny prevention type junction box for power metering device Download PDF

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Publication number
CN105301307A
CN105301307A CN201510603314.5A CN201510603314A CN105301307A CN 105301307 A CN105301307 A CN 105301307A CN 201510603314 A CN201510603314 A CN 201510603314A CN 105301307 A CN105301307 A CN 105301307A
Authority
CN
China
Prior art keywords
terminals
base
junction box
connecting groove
groove
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.)
Pending
Application number
CN201510603314.5A
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Chinese (zh)
Inventor
李成广
姬少奇
霍振星
刘诚
王雅杰
刘红旗
石伟
王天民
李继英
谷学民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Handan Power Supply Co of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510603314.5A priority Critical patent/CN105301307A/en
Publication of CN105301307A publication Critical patent/CN105301307A/en
Pending legal-status Critical Current

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Abstract

The invention provides an electricity larceny prevention type junction box for a power metering device and belongs to the technical field of power equipment. The junction box comprises a base and a cover body. The two ends of the base are respectively provided with a female socket for a set of terminals. The outer sides of the two sets of terminals are provided with a wiring groove. The bottom of the wiring groove is in the form of a downwardly concave arc. Inside the wiring groove, a clamping strip is arranged and the lower end surface of the clamping strip is in the form of a downwardly convex arc. The bottom of the wiring groove is provided with lower clamping grooves in one-to-one correspondence with the terminals. The lower end surface of the clamping strip is provided with upper clamping grooves in one-to-one correspondence with the lower clamping grooves. The lower clamping grooves and the upper clamping grooves are combined to form a connection channel for clamping connecting wires. The cover body and the clamping strip are made of transparent and plastic materials, so that the conditions of connecting wires can be observed at any time. According to the technical scheme of the junction box, no short-circuit gap exists between the connecting wires and the terminals, so that u-shaped ring-based major and typical electricity larceny behaviors are avoided. Bugs for electricity larceny prevention bugs are made up for the junction box. Moreover, potential mistakes during the alarming process are eliminated, so that the power metering device is more accurate in alarming effect. In addition, the low-voltage line loss is reduced.

Description

A kind of electricity anti-stealing wiring box of electric power meter
Technical field
The invention belongs to electrical equipment technical field, relate to a kind of anti-electricity-theft device of electric energy metrical, be specifically related to a kind of electricity anti-stealing wiring box of electric power meter.
Background technology
The electric energy that power department consumes in the electric power incoming end of user is by electric power meter metering circuit, thus counting user power consumption, such as electric energy meter, electric energy metering combined wiring box is the special junction box in the wiring of electric power meter standard, very extensive in the application of power industry, utilize it can access in operating secondary circuit by instrument or instrument, complete loading tests or the electricity consumption inspection of multiple disparity items, change the functions such as electric energy meter, can exchange safely or field test electric energy meter in on-load situation, electric meter, the electrical equipments such as relay protection, ensure that personal handling safety, improve work on the spot efficiency.But there are problems in common terminal box in current practical application, as do not supported the use with measuring apparatus on request, installation position is unreasonable, the problems such as the lack of standardization and improper use of the wiring of secondary circuit, due effect has not been given play to making terminal box, in addition in anti-electricity-theft, there is obvious weak link, can not determine user's whether stealing, to be likely that customer charge is low cause " defluidization " of the warning system prompting of Electro-metering device, also likely user accesses U-loop or the pressure-wire that fractures, increase resistance in terminal box and reduce the electricity filching behavior of statistics electricity, access U-loop divide fail to be convened for lack of a quorum make electric energy meter measure power reduce, cross table electric current and reach very low, almost nil, there is electricity filching person will cross on defluidization value that table Current Control sets in warning system, the warning system of Electro-metering device can not be identified, do not send a warning.Therefore, the terminal box of electric power meter needs to improve anti-electricity-theft performance.
Summary of the invention
Instant invention overcomes the deficiency of existing terminal box, connection path is increased in the outside of terminals, connecting line clamps by connection path, can prevent the mode by being inserted into terminals from carrying out the behavior of stealing, avoid the mistaken ideas that electric power meter can not identify electricity filching behavior, improve the anti-electricity-theft ability of terminal box, compensate for the leak of terminal box.
Concrete technical scheme of the present invention is:
A kind of electricity anti-stealing wiring box of electric power meter, this terminal box comprises base, two ends are in the base set all with the female seat of one group of terminals and the lid that mutually fastens with base, lid is transparent plastics material, key point is, described base has corresponding connecting groove in the arranged outside of two groups of terminals opposite positions, the lower bayonet slot corresponding with terminals is provided with bottom connecting groove, the card article with the complementation of connecting groove interior shape is provided with in connecting groove, card article lower surface is provided with the upper draw-in groove corresponding with lower bayonet slot, lower bayonet slot and lower bayonet slot are combined to form the interface channel of connecting line.
Described lid is transparent plastic material, is threaded connection fixing between lid and base.
Gap between the interface channel that described lower bayonet slot and upper draw-in groove are combined to form and connecting line is not more than 1mm.
Be lower arcs of recesses bottom described connecting groove, the lower surface of card article be with connecting groove bottom complementary lower convex.
The invention has the beneficial effects as follows: the present invention adopts demountable card article by connecting line clamping in the base, in the upper draw-in groove of card article lower end and base, the lower bayonet slot of connecting groove base is combined to form the interface channel of connecting line, the gap of connecting line in interface channel is mm, this interface channel does not damage connecting line when draw-in groove and lower bayonet slot can be made to fasten, can ensure that again other wires can not carry out short circuit through interface channel and carry out stealing, after avoiding the mode of fraudulent use electricity by short-circuit, electric power meter just compensate for the possibility of terminal box place stealing, improve the accuracy that electric power meter is reported to the police.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of base in the present invention.
Fig. 3 is the structural representation of card article in the present invention.
Fig. 4 is the left view of Fig. 3.
In accompanying drawing, 1, base, 2, lid, 3, female seat, 4, connecting groove, 5, lower bayonet slot, 6, card article, 7, upper draw-in groove.
Embodiment
A kind of electricity anti-stealing wiring box of electric power meter, this terminal box comprises base, be arranged on two ends in base 1 all with the female seat 3 of one group of terminals and the lid 2 that mutually fastens with base 1, key point is, described base 1 has corresponding connecting groove 4 in the arranged outside of two groups of terminals opposite positions, be provided with bottom connecting groove 4 and terminals one group of lower bayonet slot 5 one to one, the card article 6 with the complementation of connecting groove 4 interior shape is provided with in connecting groove 4, card article 6 lower surface is provided with the upper draw-in groove 7 corresponding with lower bayonet slot 5, lower bayonet slot 5 and upper draw-in groove 7 are combined to form the interface channel of connecting line.
Specific embodiment, as shown in Figures 1 to 4, be lower arcs of recesses bottom described connecting groove 4, the lower surface of card article 6 be with connecting groove 4 bottom complementary lower convex, connecting line is connected with the terminals female seat 3 from base 1 outside through after connecting groove 4, and now connecting line is arranged in corresponding lower bayonet slot 5, in connection procedure, connecting line can be arranged in the lower bayonet slot 5 of the recessed curved bottom of connecting groove 4, connecting line not easily skids off lower bayonet slot 5, and after all connecting lines are connected with corresponding terminals, it is very convenient when card article 6 is covered in connecting groove 4, go to make connecting line in order without spended time and energy, when clamping connecting line, the upper draw-in groove 7 of card article 6 lower surface not easily occurs that connecting line is extruded the situation of damage, gap between the interface channel that lower bayonet slot 5 and upper draw-in groove 7 are combined to form and connecting line is not more than 1mm, such gap is arranged, can either ensure that connecting line can not by unexpected extrusion damage, in the gap that wire also can not be made to be inserted between connecting line and terminals, after the connecting line at female seat 1 two ends is connected, confirm that connecting line connects conducting, then lid 2 to be covered on base 1 and the mode be threaded connection is fixed, lid 2 and card article 6 are transparent plastic material, the connection of connecting line in base 1 can be observed at any time.
The present invention is at the arranged outside connecting groove of connecting line and terminals and card article, connecting line clamps by connecting groove and card article, and the gap between connecting line and interface channel is not enough to insert wire carries out fraudulent use electricity by short-circuit, therefore, cause the actual effect of the fraudulent use electricity by short-circuit modes such as U-shaped ring, ensure that the normal work of electric power meter, compensate for the anti-electricity-theft leak at terminal box place, making to report to the police is also can normally work, and avoids the problem cannot carrying out accurately identifying in the problem of defluidization.
The present invention has effectively stopped " the recessive stealing " and " guerrilla warfare stealing " of stealing molecule, the stealing of these two kinds of forms is in fact the stealing mode of the altitude maneuver of the flexible control of artificial manipulation, be more common in large, in, small-sized private or state-owned enterprise, government utility contracts the power utilization environment of electricity consumption type, they are mostly remote, or people is " outpost of the tax office is heavy " set up in arrival measuring apparatus process, not easily the very first time reaches the spot in power supply enterprise, once have electric power personnel to on-the-spot, stealing molecule takes measures to cancel electricity filching means at once, cannot collect evidence qualitative is stealing, after the present invention is come into operation, by applying than the low-voltage platform area of comparatively dense the combination area of city and country of company two circuits and business, remarkable result is served to reduction line loss, for country practical user, by comparing the power consumption summation at the doubtful stealing family of 20 users of implementing achievement of the present invention, find its electric energy meter meter display power consumption compared to not using the moon power consumption of this invention to increase by 28%, by implementing calculating that is front and periodic line loss rate of checking meter to after implementing, draw obvious improvement result, line loss per unit is reduced to 5.64% by 10.5% before, calculate with the monthly power consumption of this circuit 4,000,000 degree of power consumptions, the application being applied in this circuit of the present invention is monthly for power supply enterprise retrieves 19.44 ten thousand degree of electricity, to retrieve 233.28 ten thousand degree of electric quantity losses every year, effectively maintain the economic interests of electric company.

Claims (4)

1. the electricity anti-stealing wiring box of an electric power meter, this terminal box comprises base, be arranged on two ends in base (1) all with the female seat (3) of one group of terminals and the lid (2) that mutually fastens with base (1), it is characterized in that: described base (1) has corresponding connecting groove (4) in the arranged outside of two groups of terminals opposite positions, connecting groove (4) bottom is provided with and terminals one group of lower bayonet slot (5) one to one, the card article (6) with connecting groove (4) interior shape complementation is provided with in connecting groove (4), card article (6) lower surface is provided with the upper draw-in groove (7) corresponding with lower bayonet slot (5), lower bayonet slot (5) and upper pocket set (7) close the interface channel forming connecting line.
2. a kind of electric power meter according to claim 1 put stealing terminal box, it is characterized in that: described lid (2) is transparent plastic material, is threaded connection fixing between lid (2) and base (1).
3. a kind of electric power meter according to claim 1 put stealing terminal box, it is characterized in that: the gap between the interface channel that described lower bayonet slot (5) and upper draw-in groove (7) are combined to form and connecting line is not more than 1mm.
4. a kind of electric power meter according to claim 1 put stealing terminal box, it is characterized in that: described connecting groove (4) bottom is lower arcs of recesses, the lower surface of card article (6) is the lower convex complementary with connecting groove (4) bottom.
CN201510603314.5A 2015-09-21 2015-09-21 Electricity larceny prevention type junction box for power metering device Pending CN105301307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510603314.5A CN105301307A (en) 2015-09-21 2015-09-21 Electricity larceny prevention type junction box for power metering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510603314.5A CN105301307A (en) 2015-09-21 2015-09-21 Electricity larceny prevention type junction box for power metering device

Publications (1)

Publication Number Publication Date
CN105301307A true CN105301307A (en) 2016-02-03

Family

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Family Applications (1)

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CN201510603314.5A Pending CN105301307A (en) 2015-09-21 2015-09-21 Electricity larceny prevention type junction box for power metering device

Country Status (1)

Country Link
CN (1) CN105301307A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2242531Y (en) * 1995-08-29 1996-12-11 董建伦 Connection box specially for single consumer electric meter
CN2700894Y (en) * 2004-04-26 2005-05-18 刘益勇 Electrical energy metering junction box
CN201152882Y (en) * 2007-11-23 2008-11-19 上海金陵智能电表有限公司 Anti-theft electric end cover of induction type single-phase wattmeter
CN201540313U (en) * 2009-11-05 2010-08-04 宁波三星电气股份有限公司 Electric energy meter
CN201576021U (en) * 2009-11-19 2010-09-08 宁波三星电气股份有限公司 Terminal box used for electric energy meter
CN203135378U (en) * 2012-11-16 2013-08-14 泉州市闽科通讯科技有限公司 Novel protection box
CN104319207A (en) * 2014-10-24 2015-01-28 长城汽车股份有限公司 All-match fuse box and automobile
CN104897936A (en) * 2015-05-08 2015-09-09 国家电网公司 Junction box with load for replacing metering device
CN205003187U (en) * 2015-09-21 2016-01-27 国家电网公司 Anti -electricity -theft terminal box that electric energy metering device used

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2242531Y (en) * 1995-08-29 1996-12-11 董建伦 Connection box specially for single consumer electric meter
CN2700894Y (en) * 2004-04-26 2005-05-18 刘益勇 Electrical energy metering junction box
CN201152882Y (en) * 2007-11-23 2008-11-19 上海金陵智能电表有限公司 Anti-theft electric end cover of induction type single-phase wattmeter
CN201540313U (en) * 2009-11-05 2010-08-04 宁波三星电气股份有限公司 Electric energy meter
CN201576021U (en) * 2009-11-19 2010-09-08 宁波三星电气股份有限公司 Terminal box used for electric energy meter
CN203135378U (en) * 2012-11-16 2013-08-14 泉州市闽科通讯科技有限公司 Novel protection box
CN104319207A (en) * 2014-10-24 2015-01-28 长城汽车股份有限公司 All-match fuse box and automobile
CN104897936A (en) * 2015-05-08 2015-09-09 国家电网公司 Junction box with load for replacing metering device
CN205003187U (en) * 2015-09-21 2016-01-27 国家电网公司 Anti -electricity -theft terminal box that electric energy metering device used

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
俞丹伟等: "电测计量中联合接线盒的应用", 《浙江电力》 *

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Application publication date: 20160203