CN105929213B - Automatic power on-off device based on three-phase and four-line metering - Google Patents
Automatic power on-off device based on three-phase and four-line metering Download PDFInfo
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- CN105929213B CN105929213B CN201610567913.0A CN201610567913A CN105929213B CN 105929213 B CN105929213 B CN 105929213B CN 201610567913 A CN201610567913 A CN 201610567913A CN 105929213 B CN105929213 B CN 105929213B
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- intermediate relay
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- 238000004891 communication Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G01R11/56—Special tariff meters
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- 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
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/10—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with alarm or warning devices, e.g. indicating the interrupting of the supply
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses the automatic power on-off devices measured based on three-phase and four-line, including the electric energy meter being connected in three-phase and four-line power supply line, it further include trip(ping) circuit, described trip(ping) circuit one end is connect with any one in tri- phase lines of U, V, W, the other end is connect with zero curve N-terminal, is provided with current transformer in tri- phase lines of U, V, W；The trip(ping) circuit includes major loop and subloop, and the subloop is connected in parallel on the both ends of major loop, and the major loop includes the coil of the electric energy meter normally opened idle contact and the first intermediate relay that are connected between phase line and zero curve N-terminal；The subloop includes the coil of the normally-closed contact of the first intermediate relay being sequentially connected in series, opening button, switch knob and the second intermediate relay.The present invention realizes the automatic control power-off of automatic closing or the function of power transmission after realization arrearage tripping, payment.
Description
Technical field
The present invention relates to electrical facility technical fields, and in particular to the automatic power on-off device based on three-phase and four-line metering.
Background technique
Currently, high use the electric energy metering device being equipped with when three-phase and four-line power supply not have expense control function generally for low meter,
This brings great risk to tariff recovery, the communal facility electricity consumption of especially some large-scale residential areas, there are facility nobody
Management, the electricity charge nobody the problem of taking over.Power supply company puts into a large amount of manpower, can not urge in time the electricity charge and back into account.
In order to realize effective control of user power utilization, three-phase and four-line expense control intelligent electric meter is had devised.
Currently, the expense control unit of the inside of existing three-phase and four-line expense control intelligent electric meter only provides relevant contact information
And warning message, it can not achieve and (power-off, power transmission) is directly controlled to power load.
Summary of the invention
The purpose of the present invention is to provide the automatic power on-off devices measured based on three-phase and four-line, realize arrearage tripping, pay
The automatic control power-off of automatic closing or the function of power transmission after taking.
The present invention is achieved through the following technical solutions:
Based on the automatic power on-off device of three-phase and four-line metering, including the electric energy being connected in three-phase and four-line power supply line
Table further includes trip(ping) circuit, and described trip(ping) circuit one end is connect with any one in tri- phase lines of U, V, W, the other end and zero curve N
End connects, and is provided with current transformer in tri- phase lines of U, V, W；The trip(ping) circuit includes major loop and subloop, described
Subloop is connected in parallel on the both ends of major loop, and the major loop includes the normally opened sky of electric energy meter being connected between phase line and zero curve N-terminal
The coil of contact and the first intermediate relay；The subloop include the first intermediate relay being sequentially connected in series normally-closed contact,
First pair of normally opened contact of the coil of opening button, switch knob and the second intermediate relay, the second intermediate relay is connected in parallel on
The both ends of the normally opened idle contact of electric energy meter, one end of second pair of normally opened contact of the second intermediate relay are connected to the normally opened sky of electric energy meter
The common end of the normally-closed contact of contact and the first intermediate relay, the other end are connected to the public of opening button and switch knob
End.
Phase line of the present invention specifically refers in tri- phase lines of U, V, W any one.
The present invention can not only effectively realize the function of arrearage tripping, also achieve automatic switching-in function after payment, mitigate
The work load of power supply management personnel.Meanwhile when user's not arrearage, user can also operate opening button or switch knob
It carries out normally stopping power transmission.
Further, the power end of the normally-closed contact of the first intermediate relay and the common end of opening button and power supply line
Between be provided with combined floodgate indicator light.
Further, disconnecting switch is provided in tri- phase lines of U, V, W.
Further, module is electrically connected electric energy meter with property terminal, user terminal and payment terminal by wireless communication.
The electric energy meter can be provided with signal acquisition unit and signal conversion unit, and electric energy meter acquires the power information of user
(electricity consumption and residual amount), then module passes to property terminal and user terminal, the property terminal by wireless communication
The computer for specifically referring to estate management room, for supervising the electricity consumption situation being used for and storage power information；The user terminal
Mobile phone terminal is specifically referred to, the payment terminal specifically refers to the payment APP or automatic fee terminal of mobile phone terminal installation, when
When user is by arrearage or the information that Sorry, your ticket has not enough value, pay the fees by payment terminal, then payment terminal will
Payment signal passes to electric energy meter, restores electricity.
Further, module is electrically connected property terminal with remote monitoring center by wireless communication.
Remote monitoring center can collect each property terminal and obtain row information, carry out same supervision.
Further, electric energy meter is mounted in rain insensitive device, and the rain insensitive device includes the framework for placing electric energy meter,
Framework is provided with a beginning, and beginning end face is provided with rectangular channel, and framework upper surface is provided with L-shaped fixed plate, L-shaped fixed plate
It is provided with elastic piece on the inside of horizontal plane, 2 vertical end faces of framework are provided with card slot, and the rain insensitive device further includes matching with framework
The rain-proof cover of conjunction, the rain-proof cover include the U-board with L-shaped fixed plate cooperation, and one end of U-board is connected by elastic plate and cover board
It connects, the rectangular cam of rectangular channel cooperation is provided on the inside of the cover board, is provided with rubber pad, the cover board in the rectangular channel
2 vertical ends fixed plate is connected with by elastic piece I, the fixed plate and card slot cooperate.
Existing electric energy meter is mounted in common installs case, and the junction between cabinet and case lid has the gap, and easily leads to electricity
Can table drench with rain dampness.
Rectangular channel of the present invention specifically refers to the groove that a circle is set along beginning end face ring, and the horizontal plane inside is specific
Refer to the L-shaped fixed plate side opposite with the upper surface of framework；The elastic piece can be spring, be also possible to silica gel piece；Institute
Stating U-board can be fastened in L-shaped fixed plate, and the rectangular cam can be fastened in rectangular channel and in the effect of rubber pad
The lower sealing for realizing cover board and framework；The setting fixed plate can be avoided rainwater and enter rectangular channel, further increase sealing
Effect；The through-hole with electric wire cooperation is provided in the framework.
Further, one end of L-shaped fixed plate is flushed with the beginning of framework, and the other end protrudes from 2 vertical ends of framework
Face.
Above structure, which can be avoided, to be dripped to the rainwater of L-shaped fixed plate upper surface and is flowed into framework outer wall.
Further, 2 horizontal end faces of L-shaped fixed plate are provided with rhone.
Rainwater quickly can be exported L-shaped fixed plate by the setting of rhone, and rainwater is avoided to be flowed into framework outer wall.
Further, rhone tilts down setting.
Further, the height of fixed plate is higher than 2 vertical end faces of framework.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention can not only effectively realize the function of arrearage tripping, also achieve automatic switching-in function after payment, subtract
The light work load of power supply management personnel.Meanwhile when user's not arrearage, user can also operate opening button or close a floodgate and press
Button carries out normally stopping power transmission.
2, the present invention can effectively avoid electric energy from drenching with rain dampness by setting rain insensitive device.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the principle of the present invention block diagram；
Fig. 3 is the structural schematic diagram of framework；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the structural schematic diagram of framework and rain-proof cover cooperation.
Label and corresponding parts title in attached drawing:
1- breaker, 2- electric energy meter, 3- framework, 4- rain-proof cover, 5- elastic piece, 31- rectangular channel, 32-L shape fixed plate, 33-
Card slot, 41- U-board, 42- rhone, 43- elastic plate, 44- fixed plate, 45- cover board.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
As shown in Figure 1, the automatic power on-off device based on three-phase and four-line metering, including it is connected on three-phase and four-line power supply line
On electric energy meter 2 and breaker 1, further include trip(ping) circuit, any one in described trip(ping) circuit one end and tri- phase lines of U, V, W
Connection, the other end are connect with zero curve N-terminal, are provided with current transformer (TA1, TA2, TA3) in tri- phase lines of U, V, W；It is described
Trip(ping) circuit includes major loop and subloop, and the subloop is connected in parallel on the both ends of major loop, and the major loop includes being connected on
The coil J1 of electric energy meter normally opened idle contact T3 and the first intermediate relay between phase line and zero curve N-terminal；The subloop includes
The normally-closed contact CJ1 of the first intermediate relay being sequentially connected in series, opening button T1, switch knob T2 and the second intermediate relay
Coil J2, first couple of normally opened contact CJ21 of the second intermediate relay are connected in parallel on the both ends of the normally opened idle contact T3 of electric energy meter, and second
One end of second couple of normally opened contact CJ22 of intermediate relay is connected to the normally opened idle contact T3 of electric energy meter and the first intermediate relay
Normally-closed contact CJ1 common end, the other end is connected among first described in the common end of opening button T1 and switch knob T2
Combined floodgate indicator light is provided between the common end of normally-closed contact CJ1 and opening button T1 and the power end of power supply line of relay
LED；U, disconnecting switch QF is provided in tri- phase lines of V, W.
The working principle of the present embodiment: when subscriber arrearage, electric energy meter normally opened idle contact T3 closure, among starting first after
Electric appliance, the normal opened contact of the first intermediate relay connect tripping major loop, user's power-off, power-off on the upside of switch knob T2, when with
After the payment of family, the normally opened idle contact T3 of electric energy meter is disconnected, the normally-closed contact CJ1 starting of the first intermediate relay, and tripping subloop is logical
Electricity, while the indicator light LED that closes a floodgate is lighted.
When user's not arrearage, opening button T1 is pressed, start the second intermediate relay, the first of the second intermediate relay
Normally opened contact CJ21 is closed, the second intermediate relay starting, the normal opened contact of the first intermediate relay connects tripping subloop,
Second couple of normally opened contact CJ22 of the second intermediate relay forms self-sustaining, when pressing switch knob T2, the second intermediate relay
Device power-off, the second intermediate relay normal opened contact disconnection make the first intermediate relay power off, the first intermediate relay it is normally closed
Contact CJ1 connects tripping subloop, and tripping subloop can be used as normal circuit breaker.
Embodiment 2:
As shown in Figure 1 and Figure 2, the present embodiment is based on embodiment 1, and module and property are whole by wireless communication for the electric energy meter 2
End, user terminal and payment terminal electrical connection；Module is electrically connected the property terminal with remote monitoring center by wireless communication.
Embodiment 3:
As shown in Figure 3-Figure 5, the present embodiment is based on embodiment 1 or embodiment 2, and the electric energy meter 2 is mounted on rain insensitive device
Interior, the rain insensitive device includes the framework 3 for placing electric energy meter 2, and framework 3 is provided with a beginning, and beginning end face is provided with
Rectangular channel 31,3 upper surface of framework are provided with L-shaped fixed plate 32, are provided with elastic piece 5, frame on the inside of the horizontal plane of L-shaped fixed plate 32
2 vertical end faces of body 3 are provided with card slot 33, and the rain insensitive device further includes the rain-proof cover 4 cooperated with framework 3, the rain-proof
Lid 4 includes the U-board 41 cooperated with L-shaped fixed plate 32, and one end of U-board 41 is connect by elastic plate 43 with cover board 45, described
The inside of cover board 45 is provided with the rectangular cam of the cooperation of rectangular channel 31, is provided with rubber pad, the cover board in the rectangular channel 31
45 2 vertical ends are connected with fixed plate 44 by elastic piece I, and the fixed plate 44 cooperates with card slot 33；The L-shaped fixed plate
32 one end is flushed with the beginning of framework 3, and the other end protrudes from 2 vertical end faces of framework 3；2 of the L-shaped fixed plate 32
Horizontal end face is provided with rhone 42；The rhone 42 tilts down setting；The height of the fixed plate 44 is higher than framework 3
2 vertical end faces.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. the automatic power on-off device based on three-phase and four-line metering, which is characterized in that including being connected on three-phase and four-line power supply line
On electric energy meter (2) and breaker (1), further include trip(ping) circuit, it is any in described trip(ping) circuit one end and tri- phase lines of U, V, W
One connection, the other end are connect with zero curve N-terminal, are provided with current transformer in tri- phase lines of U, V, W；The trip(ping) circuit packet
Major loop and subloop are included, the subloop is connected in parallel on the both ends of major loop, and the major loop includes being connected on phase line and zero curve N
The coil (J1) of the normally opened idle contact of electric energy meter (T3) and the first intermediate relay between end；The subloop includes being sequentially connected in series
The normally-closed contact (CJ1) of the first intermediate relay, opening button (T1), switch knob (T2) and the second intermediate relay line
It encloses (J2), first pair of normally opened contact (CJ21) of the second intermediate relay is connected in parallel on the both ends of the normally opened idle contact of electric energy meter (T3),
One end of second pair of normally opened contact (CJ22) of the second intermediate relay is connected in the normally opened idle contact of electric energy meter (T3) and first
Between relay normally-closed contact (CJ1) common end, the other end is connected to the public of opening button (T1) and switch knob (T2)
End；The electric energy meter (2) is mounted in rain insensitive device, the rain insensitive device include for placing the framework of electric energy meter (2) (3),
Framework (3) is provided with a beginning, and beginning end face is provided with rectangular channel (31), and framework (3) upper surface is provided with L-shaped fixed plate
(32), it is provided with elastic piece (5) on the inside of the horizontal plane of L-shaped fixed plate (32), 2 vertical end faces of framework (3) are provided with card slot
(33), the rain insensitive device further includes the rain-proof cover (4) with framework (3) cooperation, and the rain-proof cover (4) includes and L-shaped fixed plate
(32) one end of the U-board (41) cooperated, U-board (41) is connect by elastic plate (43) with cover board (45), the cover board (45)
Inside be provided with the rectangular cam of rectangular channel (31) cooperation, is provided with rubber pad, the cover board in the rectangular channel (31)
(45) 2 vertical ends are connected with fixed plate (44) by elastic piece I, and the fixed plate (44) and card slot (33) cooperate.
2. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that described first
Conjunction is provided between the normally-closed contact (CJ1) of intermediate relay and the common end of opening button (T1) and the power end of power supply line
Lock indicator light (LED).
3. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that U, V, W tri-
Disconnecting switch (QF) is provided in phase line.
4. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that the electric energy
Module is electrically connected table (2) with property terminal, user terminal and payment terminal by wireless communication.
5. the automatic power on-off device according to claim 4 based on three-phase and four-line metering, which is characterized in that the property
Module is electrically connected terminal with remote monitoring center by wireless communication.
6. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that the L shape
One end of fixed plate (32) is flushed with the beginning of framework (3), and the other end protrudes from 2 vertical end faces of framework (3).
7. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that the L shape
2 horizontal end faces of fixed plate (32) are provided with rhone (42).
8. the automatic power on-off device according to claim 7 based on three-phase and four-line metering, which is characterized in that the draining
Slot (42) tilts down setting.
9. the automatic power on-off device according to claim 1 based on three-phase and four-line metering, which is characterized in that the fixation
The height of plate (44) is higher than 2 vertical end faces of framework (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567913.0A CN105929213B (en) | 2016-07-19 | 2016-07-19 | Automatic power on-off device based on three-phase and four-line metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567913.0A CN105929213B (en) | 2016-07-19 | 2016-07-19 | Automatic power on-off device based on three-phase and four-line metering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105929213A CN105929213A (en) | 2016-09-07 |
| CN105929213B true CN105929213B (en) | 2019-01-08 |
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ID=56828158
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610567913.0A Active CN105929213B (en) | 2016-07-19 | 2016-07-19 | Automatic power on-off device based on three-phase and four-line metering |
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| CN (1) | CN105929213B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422671A (en) * | 2017-07-21 | 2017-12-01 | 中国电力科学研究院 | A kind of intelligent current limliting based on copper-manganese resistance sampling takes control breaker and current-limiting method |
| CN107703355A (en) * | 2017-10-24 | 2018-02-16 | 宁波三星医疗电气股份有限公司 | A kind of intelligent electric energy meter |
| CN108196103A (en) * | 2018-01-18 | 2018-06-22 | 国家电网公司 | Transformer height supplies low meter control system |
| CN115060944A (en) * | 2022-06-09 | 2022-09-16 | 国网山东省电力公司金乡县供电公司 | Three-phase four-wire electric energy meter charge control system and method |
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|---|---|
| CN105929213A (en) | 2016-09-07 |
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