CN203734158U - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN203734158U CN203734158U CN201320890299.3U CN201320890299U CN203734158U CN 203734158 U CN203734158 U CN 203734158U CN 201320890299 U CN201320890299 U CN 201320890299U CN 203734158 U CN203734158 U CN 203734158U
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- CN
- China
- Prior art keywords
- power distribution
- distribution cabinet
- breaker
- current transformer
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a power distribution cabinet. The power distribution cabinet comprises a first fuse, a metering current transformer, an inlet wire breaker, a measuring current transformer, and an outlet wire breaker. The inlet wire breaker comprises a first breaker and a second breaker which are arranged in parallel. An electric saver is connected in series between the second breaker and the measuring current transformer. The outlet wire breaker comprises a third breaker, a fourth breaker, and a fifth breaker which are connected in parallel. The inlet wire breaker comprises a breaker body, a controller, and a communication module. The controller is used to receive external control signals and transmit the control signals through the communication module, so as to control on-off of the breaker body. With the power distribution cabinet, users do not need to switch on and switch off by manual operation, so operation is simplified and security is improved. The metering current transformer is used, so the power distribution cabinet can achieve a metering function.
Description
Technical field
The utility model belongs to power distribution cabinet technical field, relates in particular to a kind of intelligent and have an electricity saving function power distribution cabinet.
Background technology
The power distribution cabinet service entrance switch using is in the market switch with knifeshaped fuse or breaker of plastic casing manual operation substantially, opens a sluice gate closing operation and gets up to require great effort and inconvenience, and manual manipulation mode is also dangerous simultaneously.
And existing power distribution cabinet is only 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 address the above problem.
For achieving the above object, the utility model embodiment provides a kind of power distribution cabinet, comprises the first fuse, current transformer for metering, lead-in circuit breaker, Verification of Measuring Current Transformer and the wire-outgoing breaker that connect successively; Described lead-in circuit breaker comprises the first circuit breaker and the second circuit breaker that are arranged in parallel, between described the second circuit breaker and described Verification of Measuring Current Transformer, is in series with electric power saving transformer; Described wire-outgoing breaker comprises the 3rd circuit breaker, the 4th circuit breaker and the 5th circuit breaker that are arranged in parallel;
Described lead-in circuit breaker comprises 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.
In a preferred embodiment, described lead-in circuit breaker also comprises motor-operating mechanism, is connected between described controller and described breaker body, and described controller is same as by the folding of breaker body described in described motor-operating mechanism control.
In a preferred embodiment, described the first current transformer is threephase current transformer, and described the second current transformer comprises threephase current transformer and zero sequence current mutual inductor.
In a preferred embodiment, in described cabinet, returning apparatus has three-phase voltage meter and the second fuse for the protection of described three-phase voltage meter, and described three-phase voltage meter is used for measuring primary voltage.
In a preferred embodiment, described power distribution cabinet also comprises the three phase ammeter being connected with described threephase current transformer, the zero-sequence current table being connected with described zero sequence current mutual inductor and the 3rd fuse for the protection of described three phase ammeter;
Wherein, the described three phase ammeter being connected with described the first current transformer is for measuring electric energy.
In a preferred embodiment, returning apparatus has change over switch in described cabinet, for switching between two kinds of patterns of lead-in circuit breaker controlling on the spot described in described lead-in circuit breaker and Long-distance Control.
In a preferred embodiment, described power distribution cabinet has the measuring room that is positioned at cabinet upper part and the element chamber that is positioned at cabinet end portion, and the front end of described cabinet is provided with openable external door and inside door; Wherein external door is located at the outside of inside door, and described inside door comprises the first inside door being arranged on measuring room and is arranged on the second inside door in element chamber.
In a preferred embodiment, on described the first inside door, offer transparent observation window, in described measuring room, be provided with described the first fuse and described current transformer for metering.
In a preferred embodiment, in described element chamber, be provided with described breaker body, described Verification of Measuring Current Transformer and described wire-outgoing breaker and described electricity-saving appliance.
In a preferred embodiment, described change over switch and described controller are arranged on described the second inside door
By the utility model embodiment, use the lead-in circuit breaker of intelligent communication, user need not open a sluice gate by manual operation, close a floodgate, and has simplified operation, has improved fail safe.And in the utility model, used current transformer for metering, can realize function of measuring simultaneously.
In addition, in the utility model, in major loop, also increase electric power saving transformer, reduced the loss of energy.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the major loop of the power distribution cabinet that provides of the utility model;
Fig. 2 A is the schematic diagram that comprises voltmeter secondary circuit of the power distribution cabinet that provides of the utility model;
Fig. 2 B is the secondary circuit schematic diagram that comprises threephase current transformer of the power distribution cabinet that provides of the utility model;
Fig. 2 C is the secondary circuit schematic diagram that comprises zero sequence phase current mutual inductor of the power distribution cabinet that provides of the utility model;
Fig. 2 D is the secondary circuit schematic diagram that comprises lead-in circuit breaker of the power distribution cabinet that provides of the utility model;
Fig. 3 is the structure chart of the power distribution cabinet in the utility model.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment mono-
Fig. 1 shows the schematic diagram of an embodiment of the major loop of the power distribution cabinet that the utility model provides, and the major loop of this power distribution cabinet comprises the first fuse 1, current transformer for metering 2, lead-in circuit breaker, Verification of Measuring Current Transformer and the wire-outgoing breaker that connect successively.Wherein lead-in circuit breaker comprises between the first circuit breaker 31 of being arranged in parallel and the second circuit breaker 32, the second circuit breakers 32 and Verification of Measuring Current Transformer and is in series with electricity-saving appliance 33.Wire-outgoing breaker comprises the 3rd circuit breaker 51, the 4th circuit breaker 52 and the 5th circuit breaker 53 that are arranged in parallel.
Lead-in circuit breaker in the utility model is intelligent communication breaker of plastic casing, except breaker body, also comprises controller and communication module.Wherein, controller, for receiving external control signal and transmitting control signal to control the folding of breaker body by communication module.
Its middle controller can be arranged on the panel of power distribution cabinet.
For convenience of the folding of heavy current breaker, the lead-in circuit breaker in the utility model also comprises motor-operating mechanism, is connected between controller and breaker body, and its middle controller is used for the combined floodgate of opening a sluice gate by motor-operating mechanism control breaker body.
Above-mentioned the first circuit breaker is back-up breaker, and the second circuit breaker is conventional circuit breaker.Both can not be simultaneously closed.Only, in the time of the second circuit breaker or electricity-saving appliance fault, just use the first circuit breaker.
As shown in Figure 1, in the utility model, power distribution cabinet is three-phase distribution cabinet, and wherein three-phase inlet wire is respectively L1, L2, and L3, primary voltage is 0.4KV.Wherein Verification of Measuring Current Transformer comprises threephase current transformer 41 and zero sequence current mutual inductor 42.In the utility model, current transformer for metering is threephase current transformer,
Fig. 2 A-2D has shown the secondary circuit figure of power distribution cabinet.
The secondary circuit figure that wherein 2A is voltmeter.Three-phase inlet wire L1, L2, L3 are connected to voltmeter 7 by a fuse 61,62,63 respectively.As seen from the figure, in this cabinet, returning apparatus has three-phase voltage meter and the second fuse for the protection of described three-phase voltage meter, and wherein three-phase voltage meter is used for measuring primary voltage.
Wherein Fig. 2 B be with inlet wire L1 on, measure the secondary circuit figure being connected with three phase ammeter 8 with threephase current transformer 91,92,93.Wherein Fig. 2 C is the secondary circuit figure that zero sequence current mutual inductor 11 is connected with zero-sequence current table 10.As seen from the figure, this power distribution cabinet also comprises the three phase ammeter 8 being connected with threephase current transformer 91,92,93, the zero-sequence current table 10 being connected with zero sequence current mutual inductor 11 and the 3rd fuse 94 for the protection of three phase ammeter.
In the utility model, power distribution cabinet also comprises three phase watt-hour meter, is connected, for electric energy is measured with current transformer for metering.
Wherein Fig. 2 D is the secondary circuit figure of two lead-in circuit breakers.As seen from the figure, lead-in circuit breaker comprises motor-operating mechanism 21 and communication module 22.In this loop, also comprise a fuse 24 for the protection of circuit breaker.Wherein returning apparatus has change over switch 23 in cabinet, for switching controlling on the spot between two kinds of patterns of lead-in circuit breaker and Long-distance Control lead-in circuit breaker.
In the utility model, change over switch 23 can be used for controlling the first circuit breaker and the second circuit breaker simultaneously.In the time that change over switch 23 is switched to " on the spot " shelves, node
with
be communicated with node
with
be communicated with, enter thus the pattern of controlling on the spot lead-in circuit breaker.In the time that change over switch 23 is switched to " distant place " shelves, node
with
disconnect node
with
disconnect the pattern that enters thus Long-distance Control lead-in circuit breaker.
In the time that the power distribution cabinet in the utility model is operated, first the change over switch on panel 23 is forwarded to " on the spot " shelves, then normally use local operation, when measuring instrument shows that primary voltage is normal, can be by the body of the controller combined floodgate lead-in circuit breaker of lead-in circuit breaker, the body of the wire-outgoing breaker that closes a floodgate as required after a while.
In the time of the conditions being possessed of a distant place, the change over switch 23 on panel is switched to " distant place " shelves, can realize the functions such as long-range and divide-shut brake, measurement and automatic data logging control.
The utility model embodiment also relates to the setting of each element in power distribution cabinet and power distribution cabinet.Specifically as shown in Figure 3, power distribution cabinet 8 has the measuring room that is positioned at cabinet upper part and the element chamber that is positioned at cabinet end portion, and the front end of cabinet 8 is provided with openable external door 81 and inside door; Wherein external door 81 is located at the outside of inside door, and described inside door comprises and is arranged on the first inside door 82 on measuring room and is arranged on the second inside door 83 in element chamber.
In the utility model, in measuring room, be provided with the first fuse and current transformer for metering, and the kilowatt-hour meter being connected with current sensor with metering.For convenience of observing, the utility model offers transparent observation window 821 on the first inside door.In element chamber, be provided with body, Verification of Measuring Current Transformer, wire-outgoing breaker and the electricity-saving appliance of lead-in circuit breaker
.
In the utility model, some control device and instrument can be arranged on the second inside door 83.As shown in Figure 3, change over switch 835, controller 834 and three phase ammeter 833, zero-sequence current table 832 and three-phase voltage meter 831 are all arranged on the second inside door 83.
In the time that external equipment will be connected to power distribution cabinet, can open cabinet door and carry out line.But this mode is safe not.In the utility model, can, on the cabinet door of power distribution cabinet, communication converting interface specifically can be set on the second inside door, 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, can not be used in closing by hand, and realize remote switching, measure, check meter etc.And the utility model is by electricity-saving appliance, has reduced the loss of energy.
In addition, the utility model has also been realized measurement, metering and safeguard function simultaneously.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a power distribution cabinet, is characterized in that, described power distribution cabinet comprises the first fuse, current transformer for metering, lead-in circuit breaker, Verification of Measuring Current Transformer and the wire-outgoing breaker that connect successively; Described lead-in circuit breaker comprises the first circuit breaker and the second circuit breaker that are arranged in parallel, between described the second circuit breaker and described Verification of Measuring Current Transformer, is in series with electricity-saving appliance; Described wire-outgoing breaker comprises the 3rd circuit breaker, the 4th circuit breaker and the 5th circuit breaker that are arranged in parallel;
Described lead-in circuit breaker comprises breaker body, controller and communication module, and described controller, for transmitting the external control signal receiving to control opening a sluice gate and closing a floodgate of described breaker body by described communication module.
2. power distribution cabinet as claimed in claim 1, it is characterized in that, described lead-in circuit breaker also comprises motor-operating mechanism, is connected between described controller and described breaker body, and described controller is for opening a sluice gate and closing a floodgate by breaker body described in described motor-operating mechanism control.
3. power distribution cabinet as claimed in claim 1, is characterized in that, described current transformer for metering is threephase current transformer, and described Verification of Measuring Current Transformer comprises threephase current transformer and zero sequence current mutual inductor.
4. power distribution cabinet as claimed in claim 1, is characterized in that, in described cabinet, returning apparatus has three-phase voltage meter and the second fuse for the protection of described three-phase voltage meter, and described three-phase voltage meter is used for measuring primary voltage.
5. power distribution cabinet as claimed in claim 3; it is characterized in that, described power distribution cabinet also comprises the three phase watt-hour meter being connected with described current transformer for metering, the three phase ammeter being connected with the threephase current transformer of described Verification of Measuring Current Transformer, the zero-sequence current table being connected with described zero sequence current mutual inductor and the 3rd fuse for the protection of described three phase ammeter.
6. power distribution cabinet as claimed in claim 1, is characterized in that, returning apparatus has change over switch in described cabinet, for switching between two kinds of patterns of lead-in circuit breaker controlling on the spot described in described lead-in circuit breaker and Long-distance Control.
7. power distribution cabinet as claimed in claim 6, is characterized in that, described power distribution cabinet has the measuring room that is positioned at cabinet upper part and the element chamber that is positioned at cabinet end portion, and the front end of described cabinet is provided with openable external door and inside door; Wherein external door is located at the outside of inside door, and described inside door comprises the first inside door being arranged on measuring room and is arranged on the second inside door in element chamber.
8. power distribution cabinet as claimed in claim 7, is characterized in that, on described the first inside door, offers transparent observation window, is provided with described the first fuse and described current transformer for metering in described measuring room.
9. power distribution cabinet as claimed in claim 7, is characterized in that, is provided with described breaker body, described Verification of Measuring Current Transformer and described wire-outgoing breaker and described electricity-saving appliance in described element chamber.
10. power distribution cabinet as claimed in claim 7, is characterized in that, described change over switch and described controller are arranged on described the second inside door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890299.3U CN203734158U (en) | 2013-12-31 | 2013-12-31 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890299.3U CN203734158U (en) | 2013-12-31 | 2013-12-31 | Power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734158U true CN203734158U (en) | 2014-07-23 |
Family
ID=51204204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890299.3U Withdrawn - After Issue CN203734158U (en) | 2013-12-31 | 2013-12-31 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812022A (en) * | 2013-12-31 | 2014-05-21 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
| CN112130069A (en) * | 2020-09-15 | 2020-12-25 | 江苏科技大学 | Main distribution board of generator |
-
2013
- 2013-12-31 CN CN201320890299.3U patent/CN203734158U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812022A (en) * | 2013-12-31 | 2014-05-21 | 江苏天翔节能科技有限公司 | Power distribution cabinet |
| CN103812022B (en) * | 2013-12-31 | 2016-08-17 | 江苏天翔节能科技有限公司 | A kind of power distribution cabinet |
| CN112130069A (en) * | 2020-09-15 | 2020-12-25 | 江苏科技大学 | Main distribution board of generator |
| CN112130069B (en) * | 2020-09-15 | 2022-12-23 | 江苏科技大学 | Main distribution board of generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |