CN205003187U - Anti -electricity -theft terminal box that electric energy metering device used - Google Patents
Anti -electricity -theft terminal box that electric energy metering device used Download PDFInfo
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- CN205003187U CN205003187U CN201520732085.2U CN201520732085U CN205003187U CN 205003187 U CN205003187 U CN 205003187U CN 201520732085 U CN201520732085 U CN 201520732085U CN 205003187 U CN205003187 U CN 205003187U
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Abstract
The utility model provides an anti -electricity -theft terminal box that electric energy metering device used, which belongs to the technical field of electric power devices, this terminal box includes base and lid, there are both ends all to set up female seat of a set of wiring end in the base, be provided with the wiring groove outside two sets of wiring end, wiring tank bottom portion is arcs of recesses down, it is protruding curved card strip down to be provided with down the terminal surface in the wiring groove, wiring tank bottom portion is provided with and works a telephone switchboard and hold the lower draw -in groove of one -to -one, card strip down the terminal surface be provided with with the last draw -in groove of draw -in groove one -to -one down, down the combination of draw -in groove and last draw -in groove forms the interface channel of connecting wire and tight with the connecting clamp, the lid is transparent plastic material with the card strip, can observe the connecting wire condition at any time, the utility model provides a terminal box make do not exist between connecting wire and the wiring end can the short circuit the clearance, avoided the steal electric action of U type ring for main typical case, remedied the anti -electricity -theft leak of terminal box department, got rid of the mistaken ideas that have probably produced when reporting to the police for it is more accurate that electric energy metering device reports to the police, and reduced the low pressure line loss.
Description
Technical field
The utility model belongs to electrical equipment technical field, relates to a kind of anti-electricity-theft device of electric energy metrical, is 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.
Utility model content
The utility model 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 utility model 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 beneficial effects of the utility model are: the utility model 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 utility model.
Fig. 2 is the structural representation of base in the utility model.
Fig. 3 is the structural representation of card article in the utility model.
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 utility model 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 utility model has effectively been 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 utility model comes 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 the utility model achievement, find its electric energy meter meter display power consumption compared to not using the moon power consumption of this utility model 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 this utility model 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 draw-in groove (7) are combined to form the interface channel of connecting line.
2. the electricity anti-stealing wiring box of a kind of electric power meter according to claim 1, it is characterized in that: described lid (2) is transparent plastic material, is threaded connection fixing between lid (2) and base (1).
3. the electricity anti-stealing wiring box of a kind of electric power meter according to claim 1, 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. the electricity anti-stealing wiring box of a kind of electric power meter according to claim 1, 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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520732085.2U CN205003187U (en) | 2015-09-21 | 2015-09-21 | Anti -electricity -theft terminal box that electric energy metering device used |
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CN201520732085.2U CN205003187U (en) | 2015-09-21 | 2015-09-21 | Anti -electricity -theft terminal box that electric energy metering device used |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105301307A (en) * | 2015-09-21 | 2016-02-03 | 国家电网公司 | Electricity larceny prevention type junction box for power metering device |
CN113447712A (en) * | 2021-08-30 | 2021-09-28 | 广东电网有限责任公司中山供电局 | Method for discovering electricity stealing of special variable metering device through multi-dimensional combination |
-
2015
- 2015-09-21 CN CN201520732085.2U patent/CN205003187U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105301307A (en) * | 2015-09-21 | 2016-02-03 | 国家电网公司 | Electricity larceny prevention type junction box for power metering device |
CN113447712A (en) * | 2021-08-30 | 2021-09-28 | 广东电网有限责任公司中山供电局 | Method for discovering electricity stealing of special variable metering device through multi-dimensional combination |
CN113447712B (en) * | 2021-08-30 | 2022-01-25 | 广东电网有限责任公司中山供电局 | Method for discovering electricity stealing of special variable metering device through multi-dimensional combination |
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