CN103812022B - A kind of power distribution cabinet - Google Patents
A kind of power distribution cabinet Download PDFInfo
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- CN103812022B CN103812022B CN201310750305.XA CN201310750305A CN103812022B CN 103812022 B CN103812022 B CN 103812022B CN 201310750305 A CN201310750305 A CN 201310750305A CN 103812022 B CN103812022 B CN 103812022B
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- power distribution
- distribution cabinet
- current transformer
- chopper
- breaker
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Abstract
The present invention provides a kind of power distribution cabinet, and described power distribution cabinet includes the first fuse, current transformer for metering, lead-in circuit breaker, Verification of Measuring Current Transformer and the wire-outgoing breaker being sequentially connected with；Described lead-in circuit breaker includes the first chopper and the second chopper being arranged in parallel, and is in series with electricity-saving appliance between described second chopper and described Verification of Measuring Current Transformer；Described wire-outgoing breaker includes the 3rd chopper, the 4th chopper and the 5th chopper being arranged in parallel；Described lead-in circuit breaker includes breaker body, controller and communication module, and described controller, for receiving external control signal and sending described control signal to control the folding of described breaker body by communication module.By the present invention, user need not be manually operated and open a sluice gate, closes a floodgate, and simplifies operation, improves safety.And current transformer for metering is employed herein, it is possible to realize function of measuring simultaneously.
Description
Technical field
This utility model belongs to power distribution cabinet technical field, particularly relates to a kind of intelligent and has electricity-saving function
Power distribution cabinet.
Background technology
The power distribution cabinet service entrance switch used in the market is substantially switch with knifeshaped fuse or breaker of plastic casing hands
Dynamic operation, opens a sluice gate closing operation and gets up arduously and inconvenient, and manual manipulation mode is the most dangerous simultaneously.
And existing power distribution cabinet is only used for distribution, function singleness.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of power distribution cabinet, to solve the problems referred to above.
For achieving the above object, this utility model embodiment provides a kind of power distribution cabinet, including be sequentially connected with
First fuse, current transformer for metering, lead-in circuit breaker, Verification of Measuring Current Transformer and outlet are disconnected
Road device；Described lead-in circuit breaker includes the first chopper and the second chopper being arranged in parallel, described second
It is in series with electric power saving transformer between chopper and described Verification of Measuring Current Transformer；Described wire-outgoing breaker bag
Include the 3rd chopper, the 4th chopper and the 5th chopper being arranged in parallel；
Described lead-in circuit breaker includes breaker body, controller and communication module, described controller, uses
In receiving external control signal and sending described control signal to control described chopper originally by communication module
The folding of body.
In a preferred embodiment, described lead-in circuit breaker also includes motor-operating mechanism, is connected to described
Between controller and described breaker body, described controller is same as being controlled by described motor-operating mechanism
The folding of described breaker body.
In a preferred embodiment, described first current transformer is threephase current transformer, described second
Current transformer includes threephase current transformer and zero sequence current mutual inductor.
In a preferred embodiment, in described cabinet, returning apparatus has three-phase voltage meter and described for protecting
Second fuse of three-phase voltage meter, described three-phase voltage meter is used for measuring primary voltage.
In a preferred embodiment, described power distribution cabinet also includes three be connected with described threephase current transformer
Zero-sequence current table that phase current table is connected with described zero sequence current mutual inductor and be used for protecting described three-phase
3rd fuse of ammeter；
Wherein, the described three-phase current table being connected with described first current transformer is based on carrying out electric energy
Amount.
In a preferred embodiment, in described cabinet, returning apparatus has permutator, for controlling institute on the spot
State lead-in circuit breaker and remotely control to switch between described lead-in circuit breaker both of which.
In a preferred embodiment, described power distribution cabinet has the measuring room being positioned at cabinet upper part and is positioned at
The element chamber of cabinet end portion, the front end of described cabinet is provided with openable external door and inside door；Its China and foreign countries
Door is located at the outside of inside door, and described inside door includes the first inside door being arranged on measuring room and is arranged on element
The second inside door on room.
In a preferred embodiment, described first inside door offers transparent observation window, described measuring room
Inside it is provided with described first fuse and described current transformer for metering.
In a preferred embodiment, be provided with described breaker body in described element chamber, described measurement is used
Current transformer and described wire-outgoing breaker and described electricity-saving appliance.
In a preferred embodiment, described permutator and described controller are arranged on described second inside door
By this utility model embodiment, employing the lead-in circuit breaker of intelligent communication, user need not
It is manually operated and opens a sluice gate, close a floodgate, simplify operation, improve safety.And in this utility model
Employ current transformer for metering, it is possible to realize function of measuring simultaneously.
It addition, this utility model also add in major loop electric power saving transformer, reduce the damage of energy
Consumption.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is embodiments more of the present utility model, comes for those of ordinary skill in the art
Say, 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 the schematic diagram of the major loop of the power distribution cabinet that this utility model provides；
Fig. 2 A is the schematic diagram comprising voltmeter secondary circuit of the power distribution cabinet that this utility model provides；
Fig. 2 B is the secondary circuit the comprising threephase current transformer signal of the power distribution cabinet that this utility model provides
Figure；
Fig. 2 C is that the secondary circuit comprising zero sequence phase current mutual inductor of the power distribution cabinet that this utility model provides shows
It is intended to；
Fig. 2 D is the secondary circuit schematic diagram comprising lead-in circuit breaker of the power distribution cabinet that this utility model provides；
Fig. 3 is the structure chart of the power distribution cabinet in this utility model.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of this utility model protection.
Embodiment one
Fig. 1 shows the schematic diagram of an embodiment of the major loop of the power distribution cabinet that this utility model provides,
The first fuse 1 that the major loop of this power distribution cabinet includes being sequentially connected with, current transformer for metering 2, inlet wire
Chopper, Verification of Measuring Current Transformer and wire-outgoing breaker.Wherein lead-in circuit breaker includes being arranged in parallel
First chopper 31 and the second chopper 32, goes here and there between the second chopper 32 and Verification of Measuring Current Transformer
It is associated with electricity-saving appliance 33.Wire-outgoing breaker includes the 3rd chopper the 51, the 4th chopper 52 being arranged in parallel
With the 5th chopper 53.
Lead-in circuit breaker in this utility model is intelligent communication breaker of plastic casing, except breaker body
Outward, controller and communication module are also included.Wherein, controller, it is used for receiving external control signal and leading to
Cross communication module and send control signal to control the folding of breaker body.
Its middle controller may be mounted on the panel of power distribution cabinet.
For convenience of the folding of heavy current breaker, the lead-in circuit breaker in this utility model also includes electronic behaviour
Making mechanism, be connected between controller and breaker body, its middle controller is used for passing through electric operating machine
Structure control breaker body open a sluice gate close a floodgate.
Above-mentioned first chopper is back-up breaker, and the second chopper is conventional chopper.Both can not be same
Time Guan Bi.Only when the second chopper or electricity-saving appliance fault, just use the first chopper.
As it is shown in figure 1, power distribution cabinet is three-phase distribution cabinet in this utility model, wherein three-phase inlet wire is respectively
L1, L2, L3, primary voltage is 0.4KV.Wherein Verification of Measuring Current Transformer includes threephase current transformer
41 and zero sequence current mutual inductor 42.In this utility model, current transformer for metering is threephase current transformer,
Fig. 2 A 2D shows the secondary circuit graph of power distribution cabinet.
Wherein 2A is the secondary circuit graph of voltmeter.Three-phase inlet wire L1, L2, L3 are respectively by a fusing
Device 61,62,63 is connected to voltmeter 7.As seen from the figure, in this cabinet, returning apparatus has three-phase voltage meter
And for protecting the second fuse of described three-phase voltage meter, wherein three-phase voltage meter is used for measuring inlet wire
Voltage.
Wherein Fig. 2 B is with on inlet wire L1, measures with threephase current transformer 91,92,93 and three-phase
The secondary circuit graph that ammeter 8 is connected.Wherein Fig. 2 C is zero sequence current mutual inductor 11 and zero-sequence current table
10 secondary circuit graph being connected.As seen from the figure, this power distribution cabinet also include with threephase current transformer 91,
92, the zero-sequence current table 10 that is connected with zero sequence current mutual inductor 11 of three-phase current tables 8 that 93 connect with
And for protecting the 3rd fuse 94 of three-phase current table.
In this utility model, power distribution cabinet also includes three phase watt-hour meter, is connected with current transformer for metering,
For electric energy is measured.
Wherein Fig. 2 D is the secondary circuit graph of two lead-in circuit breakers.As seen from the figure, lead-in circuit breaker bag
Include motor-operating mechanism 21 and communication module 22.This loop also includes one for the fusing of protective breaker
Device 24.Wherein in cabinet, returning apparatus has permutator 23, for controlling lead-in circuit breaker on the spot with long-range
Control to switch between lead-in circuit breaker both of which.
In this utility model, permutator 23 can be used for controlling the first chopper and the second chopper simultaneously.When
When permutator 23 is switched to " on the spot " shelves, node 3. with 4. connect, node 5. with 6. connect, thus
Enter the pattern controlling lead-in circuit breaker on the spot.When permutator 23 is switched to " distant place " shelves, node
3. with 4. disconnect, node 5. with 6. disconnect, hence into the pattern remotely controlling lead-in circuit breaker.
When the power distribution cabinet in this utility model is operated, first by the permutator on panel 23 turns
To " on the spot " shelves, the most normally use local operation, when measuring instruments display primary voltage is normal, i.e.
Can be by the body of the controller combined floodgate lead-in circuit breaker of lead-in circuit breaker, outlet of closing a floodgate the most as required
The body of chopper.
When distant place condition possesses, the permutator 23 on panel is switched to " distant place " shelves, can realize
Remotely and the function such as divide-shut brake, measurement and automatic data logging control.
This utility model embodiment is the setting of each element in also relating to power distribution cabinet and power distribution cabinet.The most such as
Shown in Fig. 3, power distribution cabinet 8 has the measuring room being positioned at cabinet upper part and is positioned at cabinet end portion
Element chamber, the front end of cabinet 8 is provided with openable external door 81 and inside door；Wherein external door 81 is located at inside door
Outside, the first inside door 82 that described inside door includes being arranged on measuring room and be arranged in element chamber the
Two inside doors 83.
In this utility model, in measuring room, it is provided with the first fuse and current transformer for metering, and
The kilowatt-hour meter being connected with metering current sensor.For convenience of observing, this utility model is on the first inside door
Offer transparent observation window 821.The body of lead-in circuit breaker, measurement electric current it is provided with mutual in element chamber
Sensor, wire-outgoing breaker and electricity-saving appliance.
In this utility model, some can be controlled device and instrument is arranged on the second inside door 83.As
Shown in Fig. 3, permutator 835, controller 834 and three-phase current table 833, zero-sequence current table 832
It is arranged on the second inside door 83 with three-phase voltage meter 831.
When external equipment power distribution cabinet to be connected to, cabinet door can be opened and carry out line.But this mode is not
Enough safety.In this utility model, specifically can set on the second inside door on the cabinet door of power distribution cabinet
Put communication converting interface, so that external equipment can be connected with the communication module in cabinet by communication converting interface.
By power distribution cabinet of the present utility model, closing by hand can be not be used in, and achieve remote switching,
Measure, check meter.And this utility model is by electricity-saving appliance, reduces the loss of energy.
It addition, this utility model is also simultaneously achieved measurement, metering and safeguard function.
The above is only preferred implementation of the present utility model, it is noted that for the art
Those of ordinary skill for, on the premise of without departing from this utility model principle, it is also possible to make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a power distribution cabinet, it is characterised in that described power distribution cabinet includes that the first fuse being sequentially connected with, metering are used
Current transformer, lead-in circuit breaker, Verification of Measuring Current Transformer and wire-outgoing breaker；Described lead-in circuit breaker bag
Include the first chopper and the second chopper being arranged in parallel, described second chopper and described measurement Current Mutual Inductance
Electricity-saving appliance it is in series with between device；Described wire-outgoing breaker includes the 3rd chopper, the 4th chopper being arranged in parallel
With the 5th chopper；
Described lead-in circuit breaker includes breaker body, controller and communication module, and described controller, for by institute
State external control signal the opening a sluice gate and closing a floodgate with the described breaker body of control that communication module transmission receives.
2. power distribution cabinet as claimed in claim 1, it is characterised in that described lead-in circuit breaker also includes electric operating
Mechanism, is connected between described controller and described breaker body, and described controller is for by described communication
Module sends a control signal to described motor-operating mechanism, and described motor-operating mechanism is according to described control signal control
Make opening a sluice gate and closing a floodgate of described breaker body.
3. power distribution cabinet as claimed in claim 1, it is characterised in that described current transformer for metering is three-phase electricity
Current transformer, described Verification of Measuring Current Transformer includes threephase current transformer and zero sequence current mutual inductor.
4. power distribution cabinet as claimed in claim 1, it is characterised in that be additionally provided with three-phase voltage in described power distribution cabinet
Table and for protecting the second fuse of described three-phase voltage meter, described three-phase voltage meter is used for measuring inlet wire electricity
Pressure.
5. power distribution cabinet as claimed in claim 3, it is characterised in that described power distribution cabinet also includes using with described metering
The three phase watt-hour meter that current transformer connects is connected with the threephase current transformer of described Verification of Measuring Current Transformer
The zero-sequence current table that is connected with described zero sequence current mutual inductor of three-phase current table and be used for protecting described three-phase
3rd fuse of ammeter.
6. power distribution cabinet as claimed in claim 1, it is characterised in that be additionally provided with permutator in described power distribution cabinet,
For controlling described lead-in circuit breaker on the spot and remotely controlling to carry out between described lead-in circuit breaker both of which
Switching.
7. power distribution cabinet as claimed in claim 6, it is characterised in that described power distribution cabinet has and is positioned at cabinet upper end
Point measuring room and be positioned at the element chamber of cabinet end portion, the front end of described cabinet be provided with openable external door and
Inside door；Wherein external door is located at the outside of inside door, and described inside door includes the first inside door being arranged on measuring room and sets
Put the second inside door in element chamber.
8. power distribution cabinet as claimed in claim 7, it is characterised in that offer transparent sight on described first inside door
Examine window, in described measuring room, be provided with described first fuse and described current transformer for metering.
9. power distribution cabinet as claimed in claim 7, it is characterised in that be provided with described chopper in described element chamber
Body, described Verification of Measuring Current Transformer and described wire-outgoing breaker and described electricity-saving appliance.
10. power distribution cabinet as claimed in claim 7, it is characterised in that described permutator and described controller are arranged
On described second inside door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750305.XA CN103812022B (en) | 2013-12-31 | 2013-12-31 | A kind of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750305.XA CN103812022B (en) | 2013-12-31 | 2013-12-31 | A kind of power distribution cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103812022A CN103812022A (en) | 2014-05-21 |
| CN103812022B true CN103812022B (en) | 2016-08-17 |
Family
ID=50708415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750305.XA Active CN103812022B (en) | 2013-12-31 | 2013-12-31 | A kind of power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103812022B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242083A (en) * | 2014-10-08 | 2014-12-24 | 四川合创电器有限责任公司 | Tripper of distribution box |
| CN107196299A (en) * | 2017-07-04 | 2017-09-22 | 合肥东玖电气有限公司 | A kind of power distribution cabinet of electricity saving and energy saving |
| CN112018766B (en) * | 2020-09-21 | 2022-10-28 | 青岛中加特电气股份有限公司 | High-voltage power distribution cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944711A (en) * | 2010-07-20 | 2011-01-12 | 刘玉艳 | Distribution box |
| CN202014032U (en) * | 2011-03-29 | 2011-10-19 | 刘建春 | Power distribution cabinet with intelligent control |
| JP5185181B2 (en) * | 2009-04-07 | 2013-04-17 | 日本電信電話株式会社 | Current distribution device and DC circuit breaker |
| CN203734158U (en) * | 2013-12-31 | 2014-07-23 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE534524C2 (en) * | 2009-04-02 | 2011-09-20 | Hm Power Ab | Battery charging system |
-
2013
- 2013-12-31 CN CN201310750305.XA patent/CN103812022B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5185181B2 (en) * | 2009-04-07 | 2013-04-17 | 日本電信電話株式会社 | Current distribution device and DC circuit breaker |
| CN101944711A (en) * | 2010-07-20 | 2011-01-12 | 刘玉艳 | Distribution box |
| CN202014032U (en) * | 2011-03-29 | 2011-10-19 | 刘建春 | Power distribution cabinet with intelligent control |
| CN203734158U (en) * | 2013-12-31 | 2014-07-23 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103812022A (en) | 2014-05-21 |
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| C14 | Grant of patent or utility model | ||
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