CN113311207B - Anti-electricity-theft metering device - Google Patents
Anti-electricity-theft metering device Download PDFInfo
- Publication number
- CN113311207B CN113311207B CN202110687462.5A CN202110687462A CN113311207B CN 113311207 B CN113311207 B CN 113311207B CN 202110687462 A CN202110687462 A CN 202110687462A CN 113311207 B CN113311207 B CN 113311207B
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- mounting plate
- copper bar
- sampling line
- current
- junction box
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- 238000005070 sampling Methods 0.000 claims abstract description 63
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 claims abstract description 57
- 239000010949 copper Substances 0.000 claims abstract description 57
- 230000005611 electricity Effects 0.000 claims abstract description 41
- 230000002265 prevention Effects 0.000 claims abstract description 24
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/066—Arrangements for avoiding or indicating fraudulent use
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Burglar Alarm Systems (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention provides an electricity larceny prevention metering device, which relates to the field of electric power construction, and comprises a mounting plate, a junction box and a phase assembly, wherein the junction box is arranged on the mounting plate and is used for being connected with an electric energy meter through a wire; the phase component comprises a copper bar, a current transformer for inducing current passing through the copper bar, a current sampling line connected with the current transformer and a voltage sampling line connected with the copper bar, wherein the copper bar is used for connecting a power grid circuit and a user circuit, the current sampling line and the voltage sampling line are both connected with a junction box, and the copper bar, the current sampling line and the voltage sampling line are packaged on a mounting plate through insulating materials. The electricity larceny prevention metering device provided by the invention not only prevents outsiders from stealing electricity, but also simplifies the installation procedure, improves the working efficiency and shortens the installation time.
Description
Technical Field
The invention relates to the field of electric power construction, in particular to an electricity larceny prevention metering device.
Background
The electric power is a main energy source for economic construction and people living, and is used as a special commodity, so that the metering requirement on the electric power consumption is accurate in order to realize fair and fair electric power consumption. At present, an electric power metering device mainly adopts a metering switch cabinet, a current transformer, a junction box and an electric energy meter are arranged in the metering switch cabinet, and the electric energy meter measures the electricity consumption of a user. The existing metering switch cabinet has low safety and no electricity larceny prevention function, and electricity larceny operators can easily steal electricity by various means, so that huge losses are brought to the country.
Disclosure of Invention
The invention aims to provide an electricity larceny prevention metering device which can prevent outsiders from randomly wiring and stealing electricity.
To achieve the purpose, the invention adopts the following technical scheme:
an electricity larceny prevention metering device comprising:
a mounting plate;
the junction box is arranged on the mounting plate and is used for being connected with the electric energy meter through a wire;
the phase component comprises a copper bar, a current transformer used for inducing current passing through the copper bar, a current sampling line connected with the current transformer and a voltage sampling line connected with the copper bar, wherein the copper bar is used for connecting a power grid circuit and a user circuit, the current sampling line and the voltage sampling line are all connected with the junction box, and the copper bar, the current sampling line and the voltage sampling line are all packaged in the mounting plate through insulating materials.
Preferably, the junction box comprises an incoming line end and an outgoing line end, the incoming line end is connected with the current sampling line and the voltage sampling line, and the outgoing line end is connected with the electric energy meter.
Preferably, the electricity larceny prevention metering device further comprises an ammeter connection pin, wherein the ammeter connection pin is used for connecting the ammeter with the outlet end of the junction box.
Preferably, the current transformer is provided with a through hole, and the copper bar is arranged in the through hole in a penetrating manner and is arranged on the mounting plate.
Preferably, two ends of the copper bar are respectively provided with an incoming line terminal and an outgoing line terminal, the copper bar is connected with the power grid circuit through the incoming line terminal, and the copper bar is connected with the user circuit through the outgoing line terminal.
Preferably, a voltage sampling terminal is further arranged on the copper bar, and two ends of the voltage sampling line are respectively connected with the voltage sampling terminal and the wire inlet end of the junction box.
Preferably, the mounting plate is provided with a containing groove, and the containing groove is used for partially containing the current transformer.
Preferably, the mounting plates include a first mounting plate, a second mounting plate and a third mounting plate, the first mounting plate is used for fixing the junction box, the second mounting plate is used for fixing the current sampling line and the voltage sampling line, the second mounting plate and the third mounting plate are used for fixing the copper bar, and the current transformer is fixed on the second mounting plate or the third mounting plate.
Preferably, three phase assemblies are provided, one of the phase assemblies is provided on the second mounting plate, and the other two phase assemblies are provided on the third mounting plate.
Preferably, the two current transformers mounted on the third mounting plate are arranged at intervals along the first direction, and the two current transformers mounted on the second mounting plate and the two current transformers mounted on the third mounting plate are arranged in a staggered manner in the first direction.
The invention has the beneficial effects that:
and packaging the copper bar, the current sampling line and the voltage sampling line which are arranged on the mounting plate through insulating materials, wherein only the ends of the current transformer and the copper bar are exposed. And when the current transformer fails, the bare current transformer is convenient to maintain or replace. The exposed copper bar ends are respectively connected to the power grid circuit and the user circuit, and then the electric energy meter is connected to the junction box, so that the electric energy meter can conveniently display the electricity consumption of the user. The electricity larceny prevention metering device provided by the invention only needs to be respectively connected with the two ends of the copper bar, and the junction box and the electric energy meter are connected, so that the electricity larceny of outsiders is prevented, the installation procedure is simplified, the working efficiency is improved, and the installation time is shortened.
Drawings
FIG. 1 is a schematic view of the overall structure of an injection molded electric larceny prevention metering device according to an embodiment of the present invention;
fig. 2 is a schematic diagram showing the distribution of components on a mounting plate before injection molding provided by an embodiment of the electricity larceny prevention metering device of the present invention.
In the figure:
1. a mounting plate; 11. a first mounting plate; 12. a second mounting plate; 13. a third mounting plate;
2. a junction box;
3. a copper bar; 31. a wire inlet terminal; 32. a wire outlet terminal; 33. a voltage sampling terminal;
4. a current transformer;
5. a current sampling line; 6. a voltage sampling line;
7. the ammeter is connected with the contact pin.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In describing embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used for convenience of description and simplicity of operation based on the azimuth or positional relationship shown in the drawings, and are not to be construed as limiting the present invention, as the means or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Embodiment one:
the embodiment provides an electricity larceny prevention metering device, which relates to the field of electric power construction, and as shown in fig. 1 and 2, the electricity larceny prevention metering device comprises a mounting plate 1, a junction box 2 and a phase assembly, wherein the junction box 2 is arranged on the mounting plate 1, and the junction box 2 is used for being connected with an electric energy meter through a wire; the phase component comprises a copper bar 3, a current transformer 4 for inducing current passing through the copper bar 3, a current sampling line 5 connected with the current transformer 4 and a voltage sampling line 6 connected with the copper bar 3, wherein the copper bar 3 is used for connecting a power grid circuit and a user circuit, the current sampling line 5 and the voltage sampling line 6 are both connected with a junction box 2, and the copper bar 3, the current sampling line 5 and the voltage sampling line 6 are all packaged in a mounting plate 1 through insulating materials.
The copper bar 3, the current sampling line 5 and the voltage sampling line 6 provided on the mounting board 1 are encapsulated by an insulating material, and only the ends of the current transformer 4 and the copper bar 3 are exposed. The current transformer 4 is exposed, and when the current transformer 4 fails, the maintenance or the replacement is convenient. The exposed end parts of the copper bars 3 are respectively connected to a power grid circuit and a user circuit, and then the electric energy meter is connected to the junction box 2, so that the electric energy meter can conveniently display the electricity consumption of a user. The electricity larceny prevention metering device provided by the embodiment only needs to be respectively connected at two ends of the copper bar 3, and the junction box 2 and the electric energy meter are connected, so that the electricity larceny of outsiders is prevented, the installation procedure is simplified, the working efficiency is improved, and the installation time is shortened.
Preferably, the mounting plate 1, the junction box 2, the copper bar 3, the current sampling line 5 and the voltage sampling line 6 are injection molded by using epoxy resin
In particular, as shown in fig. 2, the junction box 2 includes an inlet end and an outlet end, the inlet end is connected to the current sampling line 5 and the voltage sampling line 6, and the outlet end is connected to the electric energy meter. The incoming line end of the junction box 2 is respectively connected with a current sampling line 5 and a voltage sampling line 6, so that the circuit current and the circuit voltage can be conveniently sampled, the outgoing line end of the junction box 2 is connected with an electric energy meter, and the electric energy meter displays the circuit current and the circuit voltage.
In particular, as shown in fig. 2, the electricity larceny prevention metering device further includes an electricity meter connection pin 7, and the electricity meter connection pin 7 is used to connect the electricity meter and the outlet terminal of the junction box 2. The ammeter connection contact pin 7 is arranged on the outlet end of the junction box 2, and the ammeter can be connected with the junction box 2 only by inserting the ammeter connection contact pin 7, so that the operation is convenient. Preferably, the electric energy meter is a three-phase four-wire electric energy meter.
In particular, the current transformer 4 is provided with a through hole, and the copper bar 3 is arranged on the mounting plate 1 in a penetrating way. Through the punching holes on the current transformer 4. The copper bar 3 can be inserted into the insertion hole of the current transformer 4, and the installation position of the current transformer 4 is further limited.
In particular, as shown in fig. 2, both ends of the copper bar 3 are respectively provided with an incoming line terminal 31 and an outgoing line terminal 32, the copper bar 3 is connected to a power grid circuit through the incoming line terminal 31, and the copper bar 3 is connected to a user circuit through the outgoing line terminal 32. The incoming line terminal 31 and the outgoing line terminal 32 are arranged outside the mounting plate 1, the incoming line terminal 31 is connected to a power grid circuit, and the outgoing line terminal 32 is connected to a user circuit. The copper bar 3 is arranged on the mounting plate 1 and is packaged with the current sampling line 5, the voltage sampling line 6 and the like, so that the electricity larceny of outsiders is prevented. The incoming line terminal 31 and the outgoing line terminal 32 are exposed outside the mounting plate 1, so that the connection of construction personnel is facilitated.
The copper bar 3 is also provided with a voltage sampling terminal 33, and two ends of the voltage sampling line 6 are respectively connected with the voltage sampling terminal 33 and the wire inlet end of the junction box 2. The copper bar 3 is provided with a voltage sampling endpoint, the voltage sampling line 6 is connected to the voltage sampling endpoint, the circuit voltage is conveniently sampled, and finally the circuit voltage is displayed by the ammeter. Preferably, as shown in fig. 2, the copper bar 3 has an L-shaped structure. The copper bar 3 with the L-shaped structure has simple structure and convenient disassembly and assembly. Preferably, voltage sampling terminals 33 are provided at corners of the L-shaped copper bars 3.
In particular, the mounting plate 1 is provided with a receiving slot for partially receiving the current transformer 4. Offer the holding tank part and hold current transformer 4, when the connection failure of current transformer 4 and mounting panel 1 takes place not hard up, the outer wall of current transformer 4 can the butt in the inner wall of holding tank, and the holding tank can restrict the removal of current transformer 4.
Preferably, as shown in fig. 2, the current transformer 4 includes S1 and S2 connection terminals, and one ends of two current sampling wires 5 are respectively connected to the S1 or S2 connection terminals, and the other ends are connected to the inlet ends of the junction box 2, so as to sample the circuit current.
In particular, as shown in fig. 2, the mounting board 1 includes a first mounting board 11, a second mounting board 12, and a third mounting board 13, the first mounting board 11 is used for fixing the junction box 2, the second mounting board 12 is used for fixing the current sampling line 5 and the voltage sampling line 6, the second mounting board 12 and the third mounting board 13 are used for fixing the copper bar 3, and the current transformer 4 is fixed to the second mounting board 12 or the third mounting board 13. The mounting plate 1 is divided into a first mounting plate 11, a second mounting plate 12 and a third mounting plate 13, which are respectively used for fixing various parts of the electricity larceny prevention metering device, the second mounting plate 12 is packaged by insulating materials, and only the incoming line terminal 31 and the outgoing line terminal 32 of the copper bar 3 are leaked, so that the wiring of construction personnel is facilitated, and the electricity larceny of electricity larceny persons is prevented. Preferably, the first mounting board 11 is also encapsulated by an insulating material, exposing only the pins.
In particular, as shown in fig. 2, three phase assemblies are provided, one of which is provided on the second mounting plate 12 and the other two of which are provided on the third mounting plate 13. Preferably, the anti-electricity-theft metering device further comprises a grounding assembly, wherein the grounding assembly comprises a grounding copper bar 3, and the grounding copper bar 3 is used for protecting the anti-electricity-theft metering device and preventing short circuit. Three phase components are respectively arranged on the second mounting plate 12 and the third mounting plate 13, so that the mounting space is saved.
In particular, as shown in fig. 2, two current transformers 4 mounted on the third mounting plate 13 are arranged at intervals along the first direction, and the current transformer 4 mounted on the second mounting plate 12 is offset from both the current transformers 4 mounted on the third mounting plate 13 in the first direction. The current transformers 4 on the two third mounting plates 13 and the current transformers 4 on one second mounting plate 12 are arranged in a staggered mode, so that the current transformers 4 are arranged according to a certain rule while the mounting space is saved, and the current transformers 4 are conveniently detected by constructors.
Embodiment two:
the second embodiment discloses an electricity larceny prevention metering device, the junction box 2, the phase component and the ammeter connecting pin 7 of the second embodiment are the same as those of the first embodiment, and the difference between the first embodiment and the second embodiment is that the mounting plate 1 of the second embodiment is an integrated structure, only one mounting plate 1 is required to be arranged, and all parts of the electricity larceny prevention metering device are mounted on the mounting plate 1, so that the implementation is convenient.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (7)
1. An electricity larceny prevention metering device, comprising:
a mounting plate (1);
the junction box (2) is arranged on the mounting plate (1), and the junction box (2) is used for being connected with an electric energy meter through a wire;
the phase component comprises a copper bar (3), a current transformer (4) for inducing current passing through the copper bar (3), a current sampling line (5) connected with the current transformer (4) and a voltage sampling line (6) connected with the copper bar (3), wherein the copper bar (3) is used for connecting a power grid circuit and a user circuit, the current sampling line (5) and the voltage sampling line (6) are connected with the junction box (2), and the copper bar (3), the current sampling line (5) and the voltage sampling line (6) are packaged in the mounting plate (1) through insulating materials;
the mounting plate (1) comprises a first mounting plate (11), a second mounting plate (12) and a third mounting plate (13), wherein the first mounting plate (11) is used for fixing the junction box (2), the second mounting plate (12) is used for fixing the current sampling line (5) and the voltage sampling line (6), the second mounting plate (12) and the third mounting plate (13) are used for fixing the copper bar (3), and the current transformer (4) is fixed on the second mounting plate (12) or the third mounting plate (13);
three phase assemblies are arranged, one of the phase assemblies is arranged on the second mounting plate (12), and the other two phase assemblies are arranged on the third mounting plate (13);
the two current transformers (4) mounted on the third mounting plate (13) are arranged at intervals along the first direction, and the two current transformers (4) mounted on the second mounting plate (12) and the two current transformers (4) mounted on the third mounting plate (13) are arranged in a staggered mode in the first direction.
2. The electricity larceny prevention metering device of claim 1 wherein the junction box (2) comprises an incoming line end and an outgoing line end, the incoming line end connecting the current sampling line (5) and the voltage sampling line (6), the outgoing line end connecting the electric energy meter.
3. The electricity larceny prevention metering device of claim 2 further comprising an electricity meter connection pin (7), the electricity meter connection pin (7) being for connecting the electricity meter and the outlet of the junction box (2).
4. The electricity larceny prevention metering device according to claim 2, wherein the current transformer (4) is provided with a penetrating hole, and the copper bar (3) is penetrated through the penetrating hole and arranged on the mounting plate (1).
5. The electricity larceny prevention metering device according to claim 1, wherein both ends of the copper bar (3) are respectively provided with an incoming line terminal (31) and an outgoing line terminal (32), the copper bar (3) is connected with the power grid circuit through the incoming line terminal (31), and the copper bar (3) is connected with the user circuit through the outgoing line terminal (32).
6. The electricity larceny prevention metering device according to claim 5, wherein a voltage sampling terminal (33) is further arranged on the copper bar (3), and two ends of the voltage sampling line (6) are respectively connected with the voltage sampling terminal (33) and the wire inlet end of the junction box (2).
7. An electricity larceny prevention metering device as claimed in claim 1, wherein the mounting plate (1) is provided with a receiving groove for partially receiving the current transformer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687462.5A CN113311207B (en) | 2021-06-21 | 2021-06-21 | Anti-electricity-theft metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110687462.5A CN113311207B (en) | 2021-06-21 | 2021-06-21 | Anti-electricity-theft metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113311207A CN113311207A (en) | 2021-08-27 |
| CN113311207B true CN113311207B (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110687462.5A Active CN113311207B (en) | 2021-06-21 | 2021-06-21 | Anti-electricity-theft metering device |
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| Country | Link |
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| CN (1) | CN113311207B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369250Y (en) * | 1999-04-21 | 2000-03-15 | 周干国 | Dry all sealed high voltage electric power meter |
| CN201053979Y (en) * | 2007-05-22 | 2008-04-30 | 苏州工业园区和顺电气有限公司 | Inductor type three-phase four-line electric energy metering device for preventing electricity theft |
| CN103579921B (en) * | 2013-11-13 | 2015-09-23 | 广东长电成套电器有限公司 | A kind of comprehensive distribution equipment |
| CN106018905A (en) * | 2016-07-28 | 2016-10-12 | 深圳艺朴露科技有限公司 | Electricity stealing preventing intelligent power distribution system |
| CN110865219A (en) * | 2019-12-10 | 2020-03-06 | 广东电网有限责任公司汕尾供电局 | Modularization electricity stealing prevention device suitable for low-voltage metering |
| CN112924732A (en) * | 2021-01-29 | 2021-06-08 | 广东电网有限责任公司 | Metering device external member and metering system |
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2021
- 2021-06-21 CN CN202110687462.5A patent/CN113311207B/en active Active
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| CN113311207A (en) | 2021-08-27 |
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