CN204992260U - Expanded not repeated fixed measuring equipment of single mains operated - Google Patents
Expanded not repeated fixed measuring equipment of single mains operated Download PDFInfo
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- CN204992260U CN204992260U CN201520798892.4U CN201520798892U CN204992260U CN 204992260 U CN204992260 U CN 204992260U CN 201520798892 U CN201520798892 U CN 201520798892U CN 204992260 U CN204992260 U CN 204992260U
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Abstract
The utility model provides an expanded not repeated fixed measuring equipment of single mains operated, includes the expanded metering modules that does not repeat of power incoming unit, horizontal main bus -bar, massive quantity power supply, power incoming unit is connected with horizontal main bus -bar, horizontal main bus -bar still is connected with the expanded metering modules that does not repeat of massive quantity power supply, the expanded metering modules that does not repeat of massive quantity power supply is at least one, the expanded metering modules that does not repeat of at least one massive quantity power supply all is connected with horizontal main bus -bar, measuring equipment more than adopting, even have buildings such as hotel, store, food and beverage, house at same location, same power supply point, because user's usage is different, the measurement price of electrovalency is also different, thus different users and different expanded metering modules's the distribution unit connection of being qualified for the next round of competitions, so solve in same electric substation each user property right unit and divided boundary point the problem of independent measurement respectively in the property right.
Description
Technical field
The utility model relates to high voltage power transmission power-distribution electric energy field of measuring techniques, particularly relates to a kind of single power supply easily extensible and does not repeat fixed measuring equipment.
Background technology
Along with the development of national economy, the diversification of building using function, in same location, same power supply point powers, and has the buildings such as hotel, store, food and drink, house, and purposes is different, and the metering price of electricity price is different.
The fixed measuring equipment of current 12KV, 24KV, 40.5KV is widely used in power transmission and distribution switchgear assembly, its high-voltage meter one road incoming power only establishes an independent metering device, as user needs independently to arrange measuring equipment according to zones of different, different purposes, different electricity price, and in the ever-increasing situation of electricity consumer, current domestic existing fixed measuring equipment cannot meet actual demand.
Summary of the invention
Be necessary to propose a kind of that can arrange for different user, segmentation extendible single power supply easily extensible do not repeat fixed measuring equipment.
A kind of single power supply easily extensible does not repeat fixed measuring equipment, comprise electric power incoming line unit, horizontal main bus bar, massive quantity power supply and measurement easily extensible does not repeat metering module, described electric power incoming line unit is connected with horizontal main bus bar, described horizontal main bus bar does not also repeat metering module with massive quantity power supply and measurement easily extensible and is connected, described massive quantity power supply and measurement easily extensible does not repeat metering module and comprises high voltage bus branch, high pressure measurement unit, high-voltage terminal power supply unit, described high voltage bus branches into the diverter branch be connected with horizontal main bus bar, in the terminal of high voltage bus branch, high-voltage terminal power supply unit is set, in high voltage bus branch, high pressure measurement unit is set near one end of horizontal main bus bar, described massive quantity power supply and measurement easily extensible does not repeat metering module at least one, at least one massive quantity power supply and measurement easily extensible described does not repeat metering module and is all connected with horizontal main bus bar.
Preferably, described massive quantity power supply and measurement easily extensible does not repeat metering module and also comprises branch bar, and described branch bar connects the leading-out terminal of described high pressure measurement unit, and at least one high-voltage terminal power supply unit is connected with branch bar.
Preferably, described high pressure measurement unit comprises spacer assembly, metering current mulual inductor, metered voltage instrument transformer, metering device, described high pressure measurement unit is connected with high voltage bus branch by spacer assembly, an end of incoming cables of described metering current mulual inductor is connected with high voltage bus branch respectively with a leading-out terminal, a termination of described metered voltage instrument transformer is connected with high voltage bus branch by fuse, described metering device is connected with the secondary outgoing line end of metering current mulual inductor secondary outgoing line end and metered voltage instrument transformer, to measure the power consumption of the user that described high-voltage terminal power supply unit connects.
Preferably, described high-voltage terminal power supply unit comprises the outlet switch be connected on successively in high voltage bus branch, wire-outgoing breaker, distribution current transformer, cable socket, described cable socket is arranged on the end of high voltage bus branch, for user being connected with high voltage bus branch.
Preferably, described electric power incoming line unit comprises inlet wire main bus bar, the first isolating switch be connected on inlet wire main bus bar, inlet wire current instrument transformer, circuit breaker, the second isolating switch, one end of described inlet wire main bus bar is connected with horizontal main bus bar, and the other end of inlet wire main bus bar is used for being connected with high pressure incoming power.
Preferably, described single power supply easily extensible does not repeat fixed measuring equipment and also comprises busbar voltage monitoring means, described busbar voltage monitoring means comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and described busbar voltage monitoring means is connected with horizontal main bus bar by isolating switch.
Adopt above measuring equipment, even if in same location, same power supply point has the buildings such as hotel, store, food and drink, house, because the purposes of user is different, the metering price of electricity price is also different, so different users connects from the outlet power supply unit of different metering modules, so solve the problem that each user's property right unit independently measures at property right separation in same electric substation.
Accompanying drawing explanation
Fig. 1 is the functional block diagram that single power supply easily extensible does not repeat fixed measuring equipment.
Fig. 2 is the electric hookup that single power supply easily extensible does not repeat fixed measuring equipment.
In figure: electric power incoming line unit 1, inlet wire main bus bar 11, first isolating switch 12, second isolating switch 13, primary voltage monitoring device 14, horizontal main bus bar 2, massive quantity power supply and measurement easily extensible does not repeat metering module 3, high voltage bus branch 31, high pressure measurement unit 32, spacer assembly 321, metering current mulual inductor 322, metered voltage instrument transformer 323, metering device 324, high-voltage terminal power supply unit 33, outlet switch 331, cable socket 332, electrification display 333, inspection earthing switch 334, branch bar 34, busbar voltage monitoring means 4.
Embodiment
See Fig. 1, Fig. 2, single power supply easily extensible does not repeat fixed measuring equipment and comprises electric power incoming line unit 1, horizontal main bus bar 2, massive quantity power supply and measurement easily extensible does not repeat metering module 3, electric power incoming line unit 1 is connected with horizontal main bus bar 2, horizontal main bus bar 2 does not also repeat metering module 3 with massive quantity power supply and measurement easily extensible and is connected, massive quantity power supply and measurement easily extensible does not repeat metering module 3 and comprises high voltage bus branch 31, high pressure measurement unit 32, high-voltage terminal power supply unit 33, high voltage bus branch 31 is the diverter branch be connected with horizontal main bus bar 2, in the terminal of high voltage bus branch 31, high-voltage terminal power supply unit 33 is set, high-voltage terminal power supply unit 33 is for connecting user, in high voltage bus branch 31, high pressure measurement unit 32 is set near one end of horizontal main bus bar 2, massive quantity power supply and measurement easily extensible does not repeat metering module 3 at least one, at least one massive quantity power supply and measurement easily extensible does not repeat metering module 3 and is all connected with horizontal main bus bar 2, it is one that such as massive quantity power supply and measurement easily extensible does not repeat metering module 3, two, three or more.
Adopt above measuring equipment, even if in same location, same power supply point has the buildings such as hotel, store, food and drink, house, because the purposes of user is different, the metering price of electricity price is also different, so the high-voltage terminal power supply unit 33 that different users and different massive quantity power supply and measurement easily extensible do not repeat metering module 3 connects, the power consumption segmentation that so can realize user is measured separately.Compared to the design in national standard winding diagram, different user uses a metering units metering, when there is the phenomenon of stealing, directly can not judge the user that stealing occurs and position, when using measuring equipment of the present utility model, even if there is stealing electricity phenomenon, because different user measures separately, so stealing user and position can be found according to the metering display of metering units at short notice, more convenient, can increase work efficiency.
And according to national standard winding diagram line, or multiple user uses a metering units metering jointly, or a total metering units is installed by Electric control department, then installs metering units in the end of incoming cables of individual user:
When multiple user uses a metering units to measure jointly, the actual power consumption making power consumption and the charge examination of Electric control department that so there is each user cannot one_to_one corresponding, cause between user and mutually suspect between user and Electric control department, producing trust crisis;
A total metering units is installed by Electric control department, in the end of incoming cables of individual user, metering units is installed again, the metering electricity deducting individual user by the metering electricity of total metering units is the electricity that other users use, there is the defect repeating to measure in such computational methods, also the waste of resource can be caused, use technical scheme of the present invention, the metering separately that achieves that Every household has an ammeter, there is not the problem repeating to measure.
Further, massive quantity power supply and measurement easily extensible does not repeat metering module 3 and also comprises branch bar 34, branch bar 34 connects the leading-out terminal of high pressure measurement unit 32, and high-voltage terminal power supply unit 33 is at least one, and at least one high-voltage terminal power supply unit 33 is all connected with branch bar 34.Such as, high-voltage terminal power supply unit 33 is one, two, three or more, and multiple high-voltage terminal power supply unit 33 can connect more user, the such as user of identical electricity consumption type or the different department of same user or different power unit.
Further, high pressure measurement unit 32 comprises spacer assembly 321, metering current mulual inductor 322, metered voltage instrument transformer 323, metering device 324, high pressure measurement unit 32 is connected with high voltage bus branch 31 by spacer assembly 321, spacer assembly 321 can select disconnecting link, when high pressure measurement unit 32 needs maintenance, disconnecting link is disconnected, with by high pressure measurement unit 32 power-off, an end of incoming cables of metering current mulual inductor 322 is connected with high voltage bus branch 31 respectively with a leading-out terminal, a termination of metered voltage instrument transformer 323 connects one end of fuse, the other end of fuse is connected with high voltage bus branch 31, when there being overcurrent to flow through in circuit, fuse can fuse in advance, to protect metered voltage instrument transformer 323, metering device 324 is connected with the secondary outgoing line end of metering current mulual inductor 322 secondary outgoing line end and metered voltage instrument transformer 323, for measuring the power consumption of the user that high-voltage terminal power supply unit 33 connects.
This high pressure measurement unit 32 is for the metering of Electric control department to the electric energy that the user that high-voltage terminal power supply unit 33 connects uses, the metering numerical value that Electric control department shows according to the metering device 324 of this high pressure measurement unit 32 carries out charge examination to user, to supervise user's reasonable employment electric power resource, stealing or other irrational electricity consumption behaviors is avoided to occur.
Further, high-voltage terminal power supply unit 33 comprises the outlet switch 331 be connected on successively in high voltage bus branch 31, wire-outgoing breaker, distribution current transformer, cable socket 332, cable socket 332 is arranged on the end of high voltage bus branch 31, for user being connected with high voltage bus branch 31.Wire-outgoing breaker, distribution current transformer cooperate to be measured going out line current and protects, and avoid overcurrent to enter user, the folding of outlet switch 331 can allow staff directly judge the state of circuit.
Wherein, high-voltage terminal power supply unit 33 is also provided with lightning arrester, electrification display 333, inspection earthing switch 334, one end of lightning arrester, electrification display 333, inspection earthing switch 334 is connected with the leading-out terminal of distribution current transformer, other end ground connection, electrification display 333 can circuit state, when user side needs maintenance or occurs abnormal, inspection earthing switch 334 is closed, with the power supply of disconnect user, avoids the danger of hot line job.
Further, electric power incoming line unit 1 comprises inlet wire main bus bar 11, the first isolating switch 12 be connected on inlet wire main bus bar 11, inlet wire current instrument transformer, circuit breaker, the second isolating switch 13, one end of inlet wire main bus bar 11 is connected with horizontal main bus bar 2, and the other end of inlet wire main bus bar 11 is used for being connected with high pressure incoming power.
When this single power supply easily extensible do not repeat fixed measuring equipment need maintenance time; by disconnecting the first isolating switch 12; to disconnect the power supply of this measuring equipment; inlet wire current instrument transformer and circuit breaker are measured inlet wire main bus bar 11 and are protected; because circuit breaker is in hermetically sealed; range estimation can not see its state; when circuit breaker disconnects; second isolating switch 13 is also disconnected; so; staff estimates the second isolating switch 13 and disconnects, and can judge that circuit disconnects, the generation of security incident when avoiding hot line job.
Further, electric power incoming line unit 1 also comprises primary voltage monitoring device 14, primary voltage monitoring device 14 comprises inlet wire monitoring voltage instrument transformer and fuse, a termination of inlet wire monitoring voltage instrument transformer connects one end of fuse, the other end of fuse connects inlet wire main bus bar 11, a termination of inlet wire monitoring voltage instrument transformer also connects lightning arrester, the other end ground connection of lightning arrester, inlet wire monitoring voltage instrument transformer Real-Time Monitoring inlet wire main bus bar can have no-voltage, when inlet wire main bus bar 11 has overvoltage to pass through, by fuse and lightning arrester incoming relay-protection, and remind staff by the external alert device connected.
Further, single power supply easily extensible does not repeat fixed measuring equipment and also comprises busbar voltage monitoring means 4, busbar voltage monitoring means 4 comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, a termination of bus monitoring voltage instrument transformer connects fuse, fuse connects isolating switch, and isolating switch is connected with horizontal main bus bar 2.During normal work, isolating switch closes, for monitoring the operating voltage of bus, when there is overvoltage or under voltage, information feed back can realize reporting to the police to the external alert device connected by bus monitoring voltage instrument transformer, fuse then can the quick-break when its operating voltage exceedes its load voltage value, breaks down to remind the horizontal main bus bar 2 of staff or other buses.
Certainly, creative work is not taken and available content all belongs to protection range of the present utility model those skilled in the art, such as: the simple replacement of various functionally similar components and parts, the simple extension of the series, parallel of circuit and replacement.
Claims (6)
1. a single power supply easily extensible does not repeat fixed measuring equipment, it is characterized in that: comprise electric power incoming line unit, horizontal main bus bar, massive quantity power supply and measurement easily extensible does not repeat metering module, described electric power incoming line unit is connected with horizontal main bus bar, described horizontal main bus bar does not also repeat metering module with massive quantity power supply and measurement easily extensible and is connected, described massive quantity power supply and measurement easily extensible does not repeat metering module and comprises high voltage bus branch, high pressure measurement unit, high-voltage terminal power supply unit, described high voltage bus branches into the diverter branch be connected with horizontal main bus bar, in the terminal of high voltage bus branch, high-voltage terminal power supply unit is set, in high voltage bus branch, high pressure measurement unit is set near one end of horizontal main bus bar, described massive quantity power supply and measurement easily extensible does not repeat metering module at least one, at least one massive quantity power supply and measurement easily extensible described does not repeat metering module and is all connected with horizontal main bus bar.
2. single power supply easily extensible as claimed in claim 1 does not repeat fixed measuring equipment, it is characterized in that: described massive quantity power supply and measurement easily extensible does not repeat metering module and also comprises branch bar, described branch bar connects the leading-out terminal of described high pressure measurement unit, and at least one high-voltage terminal power supply unit is connected with branch bar.
3. single power supply easily extensible as claimed in claim 1 or 2 does not repeat fixed measuring equipment, it is characterized in that: described high pressure measurement unit comprises spacer assembly, metering current mulual inductor, metered voltage instrument transformer, metering device, described high pressure measurement unit is connected with high voltage bus branch by spacer assembly, an end of incoming cables of described metering current mulual inductor is connected with high voltage bus branch respectively with a leading-out terminal, a termination of described metered voltage instrument transformer is connected with high voltage bus branch by fuse, described metering device is connected with the secondary outgoing line end of metering current mulual inductor secondary outgoing line end and metered voltage instrument transformer, to measure the power consumption of the user that described high-voltage terminal power supply unit connects.
4. single power supply easily extensible as claimed in claim 1 or 2 does not repeat fixed measuring equipment, it is characterized in that: described high-voltage terminal power supply unit comprises the outlet switch be connected on successively in high voltage bus branch, wire-outgoing breaker, distribution current transformer, cable socket, described cable socket is arranged on the end of high voltage bus branch, for user being connected with high voltage bus branch.
5. single power supply easily extensible as claimed in claim 1 or 2 does not repeat fixed measuring equipment, it is characterized in that: described electric power incoming line unit comprises inlet wire main bus bar, the first isolating switch be connected on inlet wire main bus bar, inlet wire current instrument transformer, circuit breaker, the second isolating switch, one end of described inlet wire main bus bar is connected with horizontal main bus bar, and the other end of inlet wire main bus bar is used for being connected with high pressure incoming power.
6. single power supply easily extensible as claimed in claim 1 or 2 does not repeat fixed measuring equipment, it is characterized in that: described single power supply easily extensible does not repeat fixed measuring equipment and also comprises busbar voltage monitoring means, described busbar voltage monitoring means comprises the bus monitoring voltage instrument transformer, fuse, the isolating switch that connect successively, and described busbar voltage monitoring means is connected with horizontal main bus bar by isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798892.4U CN204992260U (en) | 2015-10-16 | 2015-10-16 | Expanded not repeated fixed measuring equipment of single mains operated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798892.4U CN204992260U (en) | 2015-10-16 | 2015-10-16 | Expanded not repeated fixed measuring equipment of single mains operated |
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| Publication Number | Publication Date |
|---|---|
| CN204992260U true CN204992260U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520798892.4U Active CN204992260U (en) | 2015-10-16 | 2015-10-16 | Expanded not repeated fixed measuring equipment of single mains operated |
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| CN (1) | CN204992260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305304A (en) * | 2019-07-26 | 2021-02-02 | 群光电能科技股份有限公司 | Extensible combined electric meter |
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2015
- 2015-10-16 CN CN201520798892.4U patent/CN204992260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305304A (en) * | 2019-07-26 | 2021-02-02 | 群光电能科技股份有限公司 | Extensible combined electric meter |
| CN112305304B (en) * | 2019-07-26 | 2024-05-07 | 群光电能科技股份有限公司 | Extensible combined ammeter |
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