CN205693170U - A kind of high-voltage electricity stealing prevention metering device with surge protection - Google Patents
A kind of high-voltage electricity stealing prevention metering device with surge protection Download PDFInfo
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- CN205693170U CN205693170U CN201620645475.0U CN201620645475U CN205693170U CN 205693170 U CN205693170 U CN 205693170U CN 201620645475 U CN201620645475 U CN 201620645475U CN 205693170 U CN205693170 U CN 205693170U
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- metering
- room
- voltage
- measuring room
- transformer
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Abstract
This utility model discloses a kind of high-voltage electricity stealing prevention metering device with surge protection, and described metering cabinet includes: measuring room, is arranged on the outlet room bottom measuring room, is arranged on the bus-bar room at measuring room top；The front side of described outlet room is provided with lower cabinet door；The front side of described measuring room and bus-bar room is provided with Over-The-Counter door；Described Over-The-Counter door is provided with display and two rows metering observation window, is provided with gauge table, is provided with prepayment meter inside lower row's metering observation window inside upper row's metering observation window；In metering cabinet, electrical equipment is arranged on insulation board, has good insulation effect, effectively prevent because electric leakage accident brings the injury of staff.Gauge table, current transformer, voltage transformer, fuse and prepayment meter are installed together, are combined into set of device, assemble with modular form, it is possible to move to it easily metering cabinet uses, do not limited by metering cabinet version；Realize light installation, adaptable purpose.
Description
Technical field
This utility model relates to field of power, particularly relates to a kind of high-voltage electricity stealing prevention metering dress with surge protection
Put.
Background technology
Metering cabinet is the abbreviation of electric energy metering cabinet, the metering cabinet in domestic power and distribution supply cable, and major part all uses electric current mutual
Sensor, voltage transformer and high-tension fuse are separately fixed in the altitude chamber of high-tension switch gear, are tied by high-tension switch gear
The restriction of structure, certainly exists measuring element and controls unreasonable, and do not possess Anti-theft Electricity Functional.Wherein, measurent wiring post is all
In another control room of high-tension switch gear, supply terminals is exposed, and into and out of line distribution width, is easily shorted robber
Electricity.Although the element such as transformer and gauge table is arranged on inside switchgear, but the openable dodge gate of its metal cabinet is too many,
The most easily pried open, carry out stealing electricity, and be difficult to be found.It addition, the control room of high-tension switch gear is all at cabinet top, meter
Amount can only stand in when checking meter and carry out on high instrument, and work efficiency is low, and error is big, dangerous.The connection of each parts is the most chaotic,
The cabinet needing certain specification form could be installed.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is, it is provided that one has surge and protects
The high-voltage electricity stealing prevention metering device protected, including: metering cabinet；
Described metering cabinet includes: measuring room, is arranged on the outlet room bottom measuring room, is arranged on the bus at measuring room top
Room；
The front side of described outlet room is provided with lower cabinet door；The front side of described measuring room and bus-bar room is provided with Over-The-Counter door；On described
Cabinet door is provided with display and two rows metering observation window, is provided with gauge table inside upper row's metering observation window, and lower row measures
Prepayment meter it is provided with inside observation window；
The medial wall of described measuring room is provided with two longitudinally opposed installing plates；It is respectively equipped with on said two installing plate
Support, described support is provided with horizontally disposed first insulation board；Described first insulation board is provided with voltage transformer and surge
Protector；The top of described measuring room is provided with the second insulation board being vertically fixed on its roof；Fix on described second insulation board
There is current transformer；
Bus enters measuring room by described bus-bar room and is connected with the input of current transformer；
Described voltage transformer includes the first voltage transformer and the second voltage transformer, the first voltage transformer, second
The primary side of voltage transformer summation current transformer is all connected with end of incoming cables respectively by circuit, and end of incoming cables is had by connection
Leading-out terminal, the secondary side of current transformer and the first voltage transformer is all connected with metering ammeter respectively by circuit, the second electricity
The secondary side of pressure transformer is connected with prepayment meter by circuit, and leading-out terminal is connected with the outlet switch of outlet indoor；
Surge Protector includes: protection main circuit and warning circuit；Described protection main circuit includes shell fragment and varistor,
Described shell fragment, varistor and power sources in series；Described warning circuit includes the first resistance, the second resistance, rectifier bridge, filtered electrical
Hold, optocoupler and display lamp, described first resistance connects with rectifier bridge and in parallel with described varistor, described filter capacitor and
Described rectifier bridge is connected, and described second resistance, display lamp and optocoupler are in parallel with described filter capacitor.
Preferably, the primary side end of incoming cables of described first voltage transformer is provided with high-tension fuse.
Preferably, the primary side end of incoming cables of described second voltage transformer is provided with high-tension fuse.
Preferably, described shell fragment is restorability metal composite shell fragment.
Preferably, also including supporting copper piece, described varistor is installed on described support copper piece.
Preferably, described metal composite shell fragment is manganese steel and phosphor-copper composite elastic sheet.
As can be seen from the above technical solutions, this utility model has the advantage that
In metering cabinet, electrical equipment is arranged on insulation board, has good insulation effect, effectively prevent because of electric leakage
Accident brings the injury of staff.
Gauge table, current transformer, voltage transformer, fuse and prepayment meter are installed together, are combined into a set of
Device, assembles with modular form, it is possible to moves to it easily use in metering cabinet, is not limited by metering cabinet version；Real
Existing light installation, adaptable purpose.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, the accompanying drawing used required in describing will be made below
Introduce simply, it should be apparent that, the accompanying drawing in describing below is only embodiments more of the present utility model, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is metering cabinet overall structure figure；
Fig. 2 is metering cabinet cut-away view；
Fig. 3 is metering cabinet internal wiring figure；
Fig. 4 is Surge Protector circuit diagram.
Detailed description of the invention
For making utility model purpose of the present utility model, feature, the advantage can be the most obvious and understandable, below will fortune
With specific embodiment and accompanying drawing, the technical scheme of this utility model protection is clearly and completely described, it is clear that below
Described embodiment is only a part of embodiment of this utility model, and not all embodiment.Based on the reality in this patent
Execute example, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, all belong to
Scope in this patent protection.
The present embodiment provides a kind of high-voltage electricity stealing prevention metering device with surge protection, as shown in Figure 1, Figure 2, Fig. 3, Fig. 4 institute
Show, including: metering cabinet；
Described metering cabinet includes: measuring room 1, is arranged on the outlet room 3 bottom measuring room 1, is arranged on measuring room 1 top
Bus-bar room 2；
The front side of described outlet room 3 is provided with lower cabinet door 5；The front side of described measuring room 1 and bus-bar room 2 is provided with Over-The-Counter door 4；Institute
State Over-The-Counter door 4 and be provided with display 6 and two rows metering observation window, inside upper row's metering observation window 7, be provided with gauge table, under
It is provided with prepayment meter inside row's metering observation window 8；
The medial wall of described measuring room 1 is provided with two longitudinally opposed installing plates 19；Divide on said two installing plate 19
Not being provided with support 14, described support 14 is provided with horizontally disposed first insulation board 13；Described first insulation board 13 is provided with voltage
Transformer 12 and Surge Protector 16；The top of described measuring room 1 is provided with the second insulation board 10 being vertically fixed on its roof；
It is fixed with current transformer 11 on described second insulation board 10；
Bus 9 enters measuring room 1 by described bus-bar room 2 and is connected with the input of current transformer 11；
Described voltage transformer 12 includes the first voltage transformer 25 and the second voltage transformer 26, the first voltage transformer
25, the primary side of the second voltage transformer 26 summation current transformer 11 is all connected with end of incoming cables 21 respectively by circuit, end of incoming cables
21 have leading-out terminal 29 by connection, and the secondary side of current transformer 11 and the first voltage transformer 25 is all by circuit respectively
Being connected with metering ammeter 28, the secondary side of the second voltage transformer 26 is connected with prepayment meter 27 by circuit, leading-out terminal 29 and
Outlet switch in outlet room 3 is connected；
Surge Protector 16 includes: protection main circuit and warning circuit；Described protection main circuit includes shell fragment 32 and pressure-sensitive
Resistance 31, described shell fragment 32, varistor 31 and power sources in series；Described warning circuit include first resistance the 33, second resistance 35,
Rectifier bridge 34, filter capacitor 36, optocoupler 38 and display lamp 37, described first resistance 33 connect with rectifier bridge 34 and with described pressure
Quick resistance 31 is in parallel, and described filter capacitor 36 is connected with described rectifier bridge 34, described second resistance 35, display lamp 37 and optocoupler 38
In parallel with described filter capacitor 36.
When lightning surge ripple invades along feed cable, arrive Surge Protector, arrive first at main line so that pressure-sensitive electricity
Resistance 31 and shell fragment 32 action, varistor 31 produces pressure limiting effect, limits lightning impulse voltage and rises, protects rear class equipment；When
Varistor 31 suffers excessive thunderbolt and impaired adstante febre, by the soldered structure of shell fragment 32, can be rapidly separated circuit, protects
Card Surge Protector is the most overheated；And warning circuit accesses protection main circuit rear class, whole by the first resistance 33 blood pressure lowering, rectifier bridge 34
After stream and filter capacitor 36 filter, by display lamp 37 display alarm, it is also turned on the output of optocoupler 38 normal signal；Work as shell fragment
32 actions disconnect rear indicator light 37 and extinguish, and optocoupler 38 output disconnects, in order to instruction Surge Protector duty；Shell fragment 32 departs from
The reliability of circuit is high, does not results in security incident.
Shell fragment 32 is restorability metal composite shell fragment.Restorability metal composite shell fragment can guarantee that in long-time bending and
Keep good elasticity under high temperature, when shell fragment reaches design temperature, can ensure that and depart from circuit reliably.
Metal composite shell fragment is manganese steel and phosphor-copper composite elastic sheet.The shell fragment that manganese steel and phosphor-copper are composited, having height can
Restorative, varistor 31 suffer bigger thunderbolt and shell fragment is bent for a long time, high temperature or when bearing larger current impact,
Can ensure that shell fragment is rapidly separated circuit when reaching design temperature.
In metering cabinet, electrical equipment is arranged on insulation board, has good insulation effect, effectively prevent because of electric leakage
Accident brings the injury of staff.
Gauge table, current transformer, voltage transformer, fuse and prepayment meter are installed together by the present embodiment, group
Synthesis set of device, assembles with modular form, it is possible to move to it easily use, not by metering cabinet version in metering cabinet
Limit；Realize light installation, adaptable purpose.
The present embodiment, owing to measuring element is concentrated into the construction module that geometry is controlled, the metering cabinet that thus be accordingly used in installation can
To use only one side to open, five totally-enclosed, and the metal cabinet overcoming conventional metering device is easily pried open, and changes mutually
Sensor, by the situation of stealing electricity, is accomplished really anti-electricity-theft.
The high-voltage electricity stealing prevention metering device with surge protection realizes modularity, has versatility.
The high-voltage electricity stealing prevention metering device with surge protection has metering pre paid functionality.Use after this metering device is installed
Family must arrive first sales department and buy card power purchase, after electricity is used up, and this device automatic trip power-off, thus solve long-standing problem and use
Family owing electricity charges problem.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, identical similar portion reference mutually between each embodiment.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (5)
1. a high-voltage electricity stealing prevention metering device with surge protection, it is characterised in that including: metering cabinet；
Described metering cabinet includes: measuring room, is arranged on the outlet room bottom measuring room, is arranged on the bus-bar room at measuring room top；
The front side of described outlet room is provided with lower cabinet door；The front side of described measuring room and bus-bar room is provided with Over-The-Counter door；Described Over-The-Counter door
It is provided with display and two rows metering observation window, inside upper row's metering observation window, is provided with gauge table, lower row's quantitative observation
Prepayment meter it is provided with inside window；
The medial wall of described measuring room is provided with two longitudinally opposed installing plates；It is respectively equipped with on said two installing plate and props up
Frame, described support is provided with horizontally disposed first insulation board；Described first insulation board is provided with voltage transformer and surge is protected
Protect device；The top of described measuring room is provided with the second insulation board being vertically fixed on its roof；It is fixed with on described second insulation board
Current transformer；
Bus enters measuring room by described bus-bar room and is connected with the input of current transformer；
Described voltage transformer includes the first voltage transformer and the second voltage transformer, the first voltage transformer, the second voltage
The primary side of transformer summation current transformer is all connected with end of incoming cables respectively by circuit, and there is outlet end of incoming cables by connection
End, the secondary side of current transformer and the first voltage transformer is all connected with metering ammeter respectively by circuit, and the second voltage is mutual
The secondary side of sensor is connected with prepayment meter by circuit, and leading-out terminal is connected with the outlet switch of outlet indoor；
Surge Protector includes: protection main circuit and warning circuit；Described protection main circuit includes shell fragment and varistor, described
Shell fragment, varistor and power sources in series；Described warning circuit includes the first resistance, the second resistance, rectifier bridge, filter capacitor, light
Coupling and display lamp, described first resistance connects with rectifier bridge and in parallel with described varistor, and described filter capacitor is whole with described
Stream bridge series connection, described second resistance, display lamp and optocoupler are in parallel with described filter capacitor.
The high-voltage electricity stealing prevention metering device with surge protection the most according to claim 1, it is characterised in that
The primary side end of incoming cables of described first voltage transformer is provided with high-tension fuse.
The high-voltage electricity stealing prevention metering device with surge protection the most according to claim 1, it is characterised in that
The primary side end of incoming cables of described second voltage transformer is provided with high-tension fuse.
The high-voltage electricity stealing prevention metering device with surge protection the most according to claim 1, it is characterised in that
Described shell fragment is restorability metal composite shell fragment.
The high-voltage electricity stealing prevention metering device with surge protection the most according to claim 1, it is characterised in that
Also including supporting copper piece, described varistor is installed on described support copper piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620645475.0U CN205693170U (en) | 2016-06-27 | 2016-06-27 | A kind of high-voltage electricity stealing prevention metering device with surge protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620645475.0U CN205693170U (en) | 2016-06-27 | 2016-06-27 | A kind of high-voltage electricity stealing prevention metering device with surge protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693170U true CN205693170U (en) | 2016-11-16 |
Family
ID=57426061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620645475.0U Expired - Fee Related CN205693170U (en) | 2016-06-27 | 2016-06-27 | A kind of high-voltage electricity stealing prevention metering device with surge protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966559A (en) * | 2018-08-30 | 2018-12-07 | 遵义长征电器设备有限责任公司 | A kind of detection protection cabinets |
| WO2019224406A1 (en) * | 2018-05-24 | 2019-11-28 | Gas Natural Sdg, S.A. | Device, system and method for detecting fraudulent connections in electrical energy distribution installations |
-
2016
- 2016-06-27 CN CN201620645475.0U patent/CN205693170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019224406A1 (en) * | 2018-05-24 | 2019-11-28 | Gas Natural Sdg, S.A. | Device, system and method for detecting fraudulent connections in electrical energy distribution installations |
| CN108966559A (en) * | 2018-08-30 | 2018-12-07 | 遵义长征电器设备有限责任公司 | A kind of detection protection cabinets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |