CN111308182A - 10kV high-voltage split prepayment metering device and connection method thereof - Google Patents
10kV high-voltage split prepayment metering device and connection method thereof Download PDFInfo
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- CN111308182A CN111308182A CN201911218839.1A CN201911218839A CN111308182A CN 111308182 A CN111308182 A CN 111308182A CN 201911218839 A CN201911218839 A CN 201911218839A CN 111308182 A CN111308182 A CN 111308182A
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- 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
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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
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- 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
- G01R22/065—Details of electronic electricity meters related to mechanical aspects
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- 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
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Abstract
The invention discloses a 10kV high-voltage split prepayment metering device and a connecting method thereof, belonging to the technical field of electric power equipment, comprising an electric pole, a metering box, an intelligent controller, a combined lantern ring, a high-voltage metering box and a high-voltage vacuum circuit breaker, wherein the 10kV high-voltage split prepayment metering device and the connecting method thereof change the mode of double-pole installation or combined installation of the circuit breaker and a mutual inductor, effectively save the installation cost, reduce the construction difficulty, the controller is provided with a remote controller, the opening and closing of the vacuum circuit breaker can be remotely controlled in a certain range, the controller is internally provided with a metering trip function, a trip signal can be distinguished to be a trip protection or a charge control trip from a power supply company marketing system, the state of a switch is detected through a remote signal line, the information of the state of the switch is fed back to a charge control system, whether the switch is normally opened or, the risk of the monthly return of the electric charge is reduced, and the guarantee is provided for solving the problem of difficult electric charge recovery.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a 10kV high-voltage split prepayment metering device and a connection method thereof.
Background
Electric power is energy taking electric energy as power, a large-scale electric power system appearing in the 20 th century is one of the most important achievements in the history of human engineering science, and is an electric power production and consumption system consisting of links such as power generation, power transmission, power transformation, power distribution and power utilization. It converts the primary energy of nature into electric power through mechanical energy devices, and then supplies the electric power to each user through power transmission, transformation and distribution.
In the using process of electric power, an electric energy metering device can be used, and the electric energy metering device is a metering device for measuring and recording generated energy, supplied (mutually supplied) electric quantity, station service electric quantity, line loss electric quantity and user electric quantity. The electric energy metering device is an overall body composed of an electric energy meter (an active electric energy meter, a reactive electric energy meter, a maximum demand meter, a multi-rate electric energy meter and the like), a metering mutual inductor (comprising a voltage mutual inductor and a current mutual inductor) and a secondary connecting wire.
But at the in-process of actual installation and connection, old device needs double-pole installation or circuit breaker and mutual-inductor combination formula installation in the past, and the cost is wasted in the double-pole installation, and the combination formula installation is heavier, and the construction degree of difficulty is great, can't practice thrift the cost, has increased the construction degree of difficulty, and is whole complicated, pleasing to the eye, and in the face of the great special transformer user of electric quantity, because of special transformer user power consumption is great, and partial customer hastens the charges difficulty, and there is the risk in the mode of the end of the month recovery of charges of electricity.
Disclosure of Invention
The invention aims to provide a 10kV high-voltage split prepayment metering device and a connection method thereof, and aims to solve the problems that the existing device proposed in the background art needs double-rod installation or combined installation of a circuit breaker and a mutual inductor, the cost is wasted in double-rod installation, the combined installation is heavy, the construction difficulty is high, the cost cannot be saved, the construction difficulty is increased, the whole is complex and not attractive, and in the face of a special transformer user with high electric quantity, the power consumption of the special transformer user is high, the charge urging of part of the customers is difficult, and the risk exists in a way of recovering electricity charges at the bottom of the month.
In order to achieve the purpose, the invention provides the following technical scheme: a10 kV high-voltage split prepayment metering device comprises an electric pole, a metering box, an intelligent controller, a combined lantern ring, a high-voltage metering box and a high-voltage vacuum circuit breaker, wherein the front side wall of the electric pole is fixedly connected with the metering box through a bolt, the metering box is three in number, the bottom of an inner cavity of the metering box is fixedly connected with an intelligent electric meter, a special transformer acquisition terminal and a secondary circuit polling instrument through bolts, the intelligent electric meter, the special transformer acquisition terminal and the input and output ends of the secondary circuit polling instrument are electrically connected in series through a lead, the bottom of the inner cavity of the intelligent controller is fixedly connected with a remote controller and a metering trip through screws, the remote controller and the electrical output end of the metering trip are electrically connected with the electrical input end of the intelligent controller, the outer wall of the electric pole is in threaded connection with the combined lantern ring, and the left side wall and right side wall of the combined lantern ring are fixedly connected, the body frame with bolt fixedly connected with is dull and stereotyped through the top of subframe, bolt fixed connection is passed through at dull and stereotyped top the high-voltage metering box with high-voltage vacuum circuit breaker, bolt fixedly connected with independent voltage transformer and high-pressure combination mutual-inductor are passed through at high-pressure vacuum circuit breaker's top, high-pressure vacuum circuit breaker independent voltage transformer with high-pressure combination mutual-inductor's input/output end all establishes ties through the wire electrical property, the metering box intelligent control ware all establish ties through the wire electrical property between high-voltage metering box and the high-voltage vacuum circuit breaker.
Preferably, the outer circumference wall of pole has seted up the external screw thread, the inner circumference wall of combination lantern ring has seted up the internal thread, the external screw thread with the internal thread phase-match.
Preferably, the metering box is installed at a position two meters away from the ground, and the intelligent controller is installed at a position two meters away from the ground and five meters away from the ground.
Preferably, the preceding lateral wall of batch meter has the chamber door through hinge swing joint, the recess has been seted up to the preceding lateral wall of chamber door, latticed observation window is inlayed to the inner chamber of recess, the material of latticed observation window is the toughened glass board of 5mm thickness.
Preferably, the rear side wall of the box door is fixedly connected with a door control switch and a remote signaling device through screws, and an electrical output end of the remote signaling device is electrically connected with the door control switch and the secondary circuit polling instrument.
Preferably, the bottom of the inner cavity of the independent voltage transformer is fixedly connected with a signal indicator lamp and a vacuum switch through screws, and the voltage values of the independent voltage transformer, the signal indicator lamp and the vacuum switch are 220V.
A connection method of a 10kV high-voltage split prepayment metering device comprises the following steps:
s1: electric meter connection: the independent voltage transformer and the high-voltage combined transformer are led in by using a high-voltage incoming cable, and the electrical output end of the high-voltage combined transformer is connected to the joint junction box through a secondary cable and then is electrically connected to an ammeter;
s2: the box body is connected: the high-voltage vacuum circuit breaker is connected to an upper pile head of the high-voltage vacuum circuit breaker through a primary lead, the high-voltage vacuum circuit breaker leads a control cable to the intelligent controller, and the intelligent controller leads the cable to the metering box;
s3: the controller is connected with: a micro protection mutual inductor is fixedly connected to the back of the high-voltage vacuum circuit breaker through a screw, secondary current is output to the micro protection mutual inductor, the magnitude of the current is judged through the micro protection mutual inductor, and when the current exceeds a protection fixed value set in the intelligent controller, a tripping signal is sent out to trigger the high-voltage vacuum circuit breaker to open a brake;
s4: external connection: and connecting the lower pile head of the high-voltage vacuum circuit breaker to equipment such as a user transformer or a switch cabinet by using a high-voltage outlet cable.
Compared with the prior art, the invention has the beneficial effects that: the 10kV high-voltage split prepayment metering device and the connection method thereof change the mode of needing double-rod installation or combined installation of a breaker and a mutual inductor by the combined application of accessories, reduce the waste of installation cost, have flexible installation, reduce construction difficulty, effectively save the installation cost, reduce construction difficulty, have simple and beautiful whole, have the protection function of automatic breaking when overload, short circuit, inrush current or under-voltage protection and the like occur, have adjustable overload protection delay time, are provided with remote controllers, can remotely control the opening and closing of a vacuum breaker within a certain range, have the metering trip function in the controllers, can distinguish the trip signals into protection trip or charge control trip from a marketing system of a power supply company, can detect the switching state through a signal line after a command is sent by a remote charge control system of the power company, and then feed back the switching state information to the charge control system, whether the switch is normally switched on or off is judged, the defect of difficulty in customer fee collection is overcome, the risk of electricity charge returning at the end of the month is reduced, and a guarantee is provided for solving the problem of difficulty in electricity charge recovery.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a combined collar structure of the present invention;
FIG. 3 is a schematic diagram of the connection method of the present invention.
In the figure: 100 electric poles, 200 metering boxes, 300 intelligent controllers, 400 combined lantern rings, 410 main frames, 420 auxiliary frames, 430 flat plates, 500 high-voltage metering boxes, 600 high-voltage vacuum circuit breakers, 610 independent voltage transformers and 620 high-voltage combined transformers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a 10kV high-voltage split prepayment metering device and a connection method thereof, which are convenient to install and have the defect of difficulty in reducing electric charge recovery through the combined application of accessories, please refer to fig. 1-3, and the device comprises an electric pole 100, a metering box 200, an intelligent controller 300, a combined lantern ring 400, a high-voltage metering box 500 and a high-voltage vacuum circuit breaker 600;
referring to fig. 1 again, the rear side wall of the metering box 200 is fixedly connected with the front side wall of the electric pole 100, specifically, the front side wall of the electric pole 100 is fixedly connected with the metering box 200 through a bolt, the metering box 200 has three epitopes, the bottom of the inner cavity of the metering box 200 is fixedly connected with an intelligent electric meter, a special transformer acquisition terminal and a secondary circuit polling instrument through a bolt, and the input and output ends of the intelligent electric meter, the special transformer acquisition terminal and the secondary circuit polling instrument are electrically connected in series through a wire;
referring to fig. 1 again, the front side wall of the intelligent controller 300 is fixedly connected with the front side wall of the electric pole 100, specifically, the front side wall of the electric pole 100 is fixedly connected with the intelligent controller 300 through bolts, the bottom of the inner cavity of the intelligent controller 300 is fixedly connected with a remote controller and a metering trip through screws, and the electrical output ends of the remote controller and the metering trip are electrically connected with the electrical input end of the intelligent controller 300;
referring to fig. 1-2 again, the inner circumferential wall of the combined lantern ring 400 is fixedly connected with the outer circumferential wall of the electric pole 100, specifically, the outer circumferential wall of the electric pole 100 is in threaded connection with the combined lantern ring 400, the left and right side walls of the combined lantern ring 400 are fixedly connected with a main frame 410 and an auxiliary frame 420 through bolts, and the tops of the main frame 410 and the auxiliary frame 420 are fixedly connected with a flat plate 430 through bolts;
referring to fig. 1-2 again, the bottom of the high voltage metering box 500 and the high voltage vacuum circuit breaker 600 and the top of the flat plate 430 are fixedly installed, specifically, the top of the flat plate 430 is fixedly connected with the high voltage metering box 500 and the high voltage vacuum circuit breaker 600 through bolts, the top of the high voltage vacuum circuit breaker 600 is fixedly connected with an independent voltage transformer 610 and a high voltage combined transformer 620 through bolts, the input and output ends of the high voltage vacuum circuit breaker 600, the independent voltage transformer 610 and the high voltage combined transformer 620 are electrically connected in series through a wire, the metering box 200, the intelligent controller 300, the high voltage metering box 500 and the high voltage vacuum circuit breaker 600 are electrically connected in series, the bottom of the inner cavity of the independent voltage transformer 610 is fixedly connected with a signal indicator lamp and a vacuum switch through a screw, and the voltage values of the independent voltage transformer 610;
a connection method of a 10kV high-voltage split prepayment metering device comprises the following steps:
s1: electric meter connection: an independent voltage transformer 610 and a high-voltage combined transformer 620 are introduced by using a high-voltage incoming cable, and the electrical output end of the high-voltage combined transformer 620 is electrically connected to an ammeter after being connected to a joint junction box through a secondary cable;
s2: the box body is connected: the high-voltage vacuum circuit breaker 600 is connected to the upper pile head of the high-voltage vacuum circuit breaker 600 through a primary lead, the high-voltage vacuum circuit breaker 600 leads a control cable to the intelligent controller 300, the intelligent controller 300 leads the cable to the metering box 200, the metering box 200 is installed at a position two meters away from the ground, and the intelligent controller 300 is installed at a position two meters away from the ground;
s3: the controller is connected with: a micro protection transformer is fixedly connected to the back of the high-voltage vacuum circuit breaker 600 through screws, secondary current is output to the micro protection transformer, the magnitude of the current is judged through the micro protection transformer, and when the current exceeds a protection fixed value set in the intelligent controller 300, a tripping signal is sent out to trigger the high-voltage vacuum circuit breaker 600 to open;
s4: external connection: the high-voltage outlet cable is connected with the lower pile head of the high-voltage vacuum circuit breaker 600 to equipment such as a user transformer or a switch cabinet.
When the intelligent high-voltage vacuum circuit breaker is used specifically, firstly, an independent voltage transformer 610 and a high-voltage combined transformer 620 are led in by using a high-voltage incoming cable, the electrical output end of the high-voltage combined transformer 620 is connected to a joint junction box through a secondary cable and then is electrically connected to an electricity meter, and then is connected to the upper pile head of the high-voltage vacuum circuit breaker 600 through a primary lead, the high-voltage vacuum circuit breaker 600 leads a control cable to the intelligent controller 300, the intelligent controller 300 leads the cable to the metering box 200, secondly, the back of the high-voltage vacuum circuit breaker 600 is fixedly connected with a micro protection transformer through screws, secondary current is output to the micro protection transformer, the current magnitude is judged through the micro protection transformer, when the current exceeds a protection constant value set in the intelligent controller 300, a tripping signal is sent out to trigger the high-voltage vacuum circuit breaker 600 to be, to a consumer transformer or switchgear, etc.
Referring to fig. 1 again, in order to combine the electric pole 100 and the combined lantern ring 400 stably, specifically, the outer circumferential wall of the electric pole 100 is provided with an external thread, and the inner circumferential wall of the combined lantern ring 400 is provided with an internal thread, which is matched with the external thread.
Referring to fig. 1 again, in order to effectively observe the metering box 200, specifically, the front side wall of the metering box 200 is movably connected with a box door through a hinge, the front side wall of the box door is provided with a groove, a grid-shaped observation window is embedded in an inner cavity of the groove, and the grid-shaped observation window is made of a tempered glass plate with a thickness of 5 mm.
Referring to fig. 1 again, in order to control the box door and cooperate with the remote signaling, specifically, the rear side wall of the box door is fixedly connected with the door control switch and the remote signaling device through screws, and the electrical output end of the remote signaling device is electrically connected with the door control switch and the secondary circuit polling instrument.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a 10kV high pressure components of a whole that can function independently prepayment metering device which characterized in that: the intelligent electric power meter comprises an electric pole (100), a metering box (200), an intelligent controller (300), a combined lantern ring (400), a high-voltage metering box (500) and a high-voltage vacuum circuit breaker (600), wherein the front side wall of the electric pole (100) is fixedly connected with a bolt, the metering box (200) and the intelligent controller (300) are arranged, the metering box (200) is provided with three epitopes, the bottom of an inner cavity of the metering box (200) is fixedly connected with an intelligent electric meter, a special transformer acquisition terminal and a secondary circuit patrol instrument through bolts, the intelligent electric meter, the special transformer acquisition terminal and the input end of the secondary circuit patrol instrument are electrically connected in series through a lead, the bottom of the inner cavity of the intelligent controller (300) is fixedly connected with a remote controller and a metering trip through screws, the remote controller and the electrical output end of the metering trip are electrically connected with the electrical input end of the intelligent controller (, the circumference outer wall threaded connection of pole (100) the combination lantern ring (400), the lateral wall passes through bolt fixedly connected with body frame (410) and subframe (420) about the combination lantern ring (400), body frame (410) with bolt fixedly connected with is dull and stereotyped (430) through at the top of subframe (420), bolt fixed connection is passed through at the top of dull and stereotyped (430) high-voltage metering box (500) with high-voltage vacuum circuit breaker (600), bolt fixedly connected with independent voltage transformer (610) and high-voltage combined transformer (620) are passed through at the top of high-voltage vacuum circuit breaker (600), high-voltage vacuum circuit breaker (600) independent voltage transformer (610) with the input and output end of high-voltage combined transformer (620) all establishes ties through the wire electrical property, metering box (200) intelligent control ware (300) all establish ties through the wire electrical property between high-voltage metering box (500) and the high-voltage vacuum circuit breaker (600).
2. The 10kV high-voltage split prepayment metering device according to claim 1, characterized in that: the circumference outer wall of pole (100) has seted up the external screw thread, the internal thread has been seted up to the circumference inner wall of combination lantern ring (400), the external screw thread with the internal thread phase-match.
3. The 10kV high-voltage split prepayment metering device according to claim 1, characterized in that: the metering box (200) is installed at a position two meters away from the ground, and the intelligent controller (300) is installed at a position two points five meters away from the ground.
4. The 10kV high-voltage split prepayment metering device according to claim 1, characterized in that: the utility model discloses a simple structure, convenient operation, the preceding lateral wall of batch meter (200) has the chamber door through hinge swing joint, the recess has been seted up to the preceding lateral wall of chamber door, latticed observation window is inlayed to the inner chamber of recess, the material of latticed observation window is the toughened glass board of 5mm thickness.
5. The 10kV high-voltage split prepayment metering device according to claim 4, characterized in that: the rear side wall of the box door is fixedly connected with a door control switch and a remote signaling device through screws, and an electrical output end of the remote signaling device is electrically connected with the door control switch and the secondary circuit polling instrument.
6. The 10kV high-voltage split prepayment metering device according to claim 1, characterized in that: the bottom of the inner cavity of the independent voltage transformer (610) is fixedly connected with a signal indicator lamp and a vacuum switch through screws, and the voltage values of the independent voltage transformer (610), the signal indicator lamp and the vacuum switch are 220V.
7. A method of connecting a 10kV high voltage split prepaid metering device according to any of claims 1 to 6, characterized in that: the connection method of the 10kV high-voltage split prepayment metering device comprises the following steps:
s1: electric meter connection: the independent voltage transformer (610) and the high-voltage combined transformer (620) are led in by using a high-voltage incoming cable, and the electrical output end of the high-voltage combined transformer (620) is connected to the joint junction box through a secondary cable and then is electrically connected to an ammeter;
s2: the box body is connected: the high-voltage vacuum circuit breaker (600) is connected to the upper pile head of the high-voltage vacuum circuit breaker (600) through a primary lead, the high-voltage vacuum circuit breaker (600) leads a control cable to the intelligent controller (300), and the intelligent controller (300) leads the cable to the metering box (200);
s3: the controller is connected with: a micro protection transformer is fixedly connected to the back of the high-voltage vacuum circuit breaker (600) through a screw, secondary current is output to the micro protection transformer, the magnitude of the current is judged through the micro protection transformer, and when the current exceeds a protection fixed value set in the intelligent controller (300), a tripping signal is sent out to trigger the high-voltage vacuum circuit breaker (600) to be opened;
s4: external connection: and a high-voltage outlet cable is used for connecting the lower pile head of the high-voltage vacuum circuit breaker (600) to equipment such as a user transformer or a switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218839.1A CN111308182A (en) | 2019-12-03 | 2019-12-03 | 10kV high-voltage split prepayment metering device and connection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911218839.1A CN111308182A (en) | 2019-12-03 | 2019-12-03 | 10kV high-voltage split prepayment metering device and connection method thereof |
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| CN111308182A true CN111308182A (en) | 2020-06-19 |
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| CN201911218839.1A Pending CN111308182A (en) | 2019-12-03 | 2019-12-03 | 10kV high-voltage split prepayment metering device and connection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650435A (en) * | 2020-08-04 | 2020-09-11 | 南京衡瑞电子科技有限公司 | Electric energy metering chip system |
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| CN203367134U (en) * | 2013-06-28 | 2013-12-25 | 安徽明都电气有限公司 | Outdoor combined-type prepayment circuit breaker |
| CN205920553U (en) * | 2016-08-04 | 2017-02-01 | 保定凯宇电器有限公司 | High pressure prepayment metering control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111650435A (en) * | 2020-08-04 | 2020-09-11 | 南京衡瑞电子科技有限公司 | Electric energy metering chip system |
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