CN105305241B - A kind of low pressure takes control case - Google Patents
A kind of low pressure takes control case Download PDFInfo
- Publication number
- CN105305241B CN105305241B CN201510668708.9A CN201510668708A CN105305241B CN 105305241 B CN105305241 B CN 105305241B CN 201510668708 A CN201510668708 A CN 201510668708A CN 105305241 B CN105305241 B CN 105305241B
- Authority
- CN
- China
- Prior art keywords
- contactor
- phase
- normally
- electric energy
- control
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of low pressure to take control case, is related to expense control device field.Low pressure of the present invention, which takes control case, includes two A.C. contactors, a small-sized alternating current contactor and a large-scale A.C. contactor.Using the tripping round of three-phase and four-line remote cost control intelligent electric energy meter is normally opened, normally-closed contact two A.C. contactors of control disconnect or actuation, to realize user's power failure and restore electricity, realizes and user is implemented to take control function.The coil current of small-sized alternating current contactor is smaller, can extend the service life and efficiency of electric energy meter relay；Installing small-sized alternating current contactor additional can avoid the relay inside electric energy meter from being damaged caused by long-term folding.The present invention is rational in infrastructure, and easy to control, service life is long and cost is low.
Description
Technical field
The present invention relates to control device field is taken, more particularly to a kind of low pressure takes control case.
Background technology
In new socialist countryside all-round construction period, in order to realize the rapid growth of China's rural economy, improve
The quality of life of the rural area people, it is necessary to can realize the good construction of electric system.County Power Plant is in China's power grid
The least significant end of system, is related to whole rural residents, is also directly related to stabilization, the harmonious development of whole rural society.
With the development of economy and society, rural resident's development is more rapid, the situation growth of three-phase electricity consumption is more, in order to protect
Demonstrate,prove tariff recovery rate, it is proposed that low pressure takes the problem of control, and the acquisition cost of the low pressure expense control case used in market is higher, at county level
The operation that promotes the use of power supply enterprise adds difficulty, how while cost is reduced, realizes that low pressure expense control function belongs to weight
The problem wanted.
The content of the invention
In order to solve the problems, such as that prior art tariff recovery rate is low, low pressure expense control is of high cost, the present invention provides a kind of low
Pressure takes control case.
The technical scheme is that：
A kind of low pressure takes control case, including main circuit, and the main circuit includes being sequentially connected in series the breaker 7 to connect, three-phase four
4 and first A.C. contactor 6 of line remote cost control intelligent electric energy meter, 7 external power supply of breaker, first A.C. contactor
6 external loads；The breaker 7,4 and first A.C. contactor 6 of three-phase and four-line remote cost control intelligent electric energy meter are arranged at electricity box
Inside main body 1；Further include control circuit；The control circuit includes tripping control circuit and running indicator, alarm lamp connection electricity
Road；In the tripping control circuit, power supply A phase lines connect 4 internal relay of three-phase and four-line remote cost control intelligent electric energy meter
Common, the normally opened contact and the second A.C. contactor 5 of 4 internal relay of three-phase and four-line remote cost control intelligent electric energy meter
The incoming end of coil connects, the output termination power B phase lines or zero-power line of 5 coil of the second A.C. contactor；Electricity
Source C phase lines connect with the normally-closed contact in second A.C. contactor 5, the normally-closed contact in second A.C. contactor 5
Connect again with the incoming end of 6 coil of the first A.C. contactor, the output termination power of 6 coil of the first A.C. contactor
B phase lines or zero-power line；The running indicator, alarm lamp connection circuit in, power supply C phase lines respectively with the first A.C. contactor 6
Normally-closed contact and normally opened contact connect, the normally opened contact in the first A.C. contactor 6 connects running indicator 2, the first A.C. contactor 6
In normally-closed contact be informed of a case warning lamp 3；The rated current of first A.C. contactor 6 is 5 rated current of the second A.C. contactor
5-100 times.
Preferably, the rated current of first A.C. contactor 6 is 5 rated current of the second A.C. contactor
8-20 times.Second A.C. contactor 5 is small-sized alternating current contactor, and the first A.C. contactor is large-scale A.C. contactor, small-sized friendship
It is sufficiently small to flow the electric current of contactor, plays the role of protecting three-phase and four-line long-distance intelligent electric energy meter repeat circuit, while realize non-
Often good power-off or recovery power consumption control.
Preferably, first A.C. contactor 6 is 100A A.C. contactors, second A.C. contactor 5
For 10A A.C. contactors.
Preferably, the electricity box main body 1 is equipped with meter reading window 9.Transparent window is set in electricity box main body 1,
As meter reading window.
Preferably, the electricity box main body 1 is equipped with breaker operator window 8.
Using the tripping round of three-phase and four-line remote cost control intelligent electric energy meter 4 is normally opened, normally-closed contact control A.C. contactor
Disconnect or be attracted, to realize user's power failure and restore electricity, realize and implement expense control function to user.
During normal operation, power supply is from 7 phase line of the breaker access in main line, through three-phase and four-line remote bill control intelligence electric energy
Table 4, into the first A.C. contactor 6, then leads to load.
After main website issues power failure instruction to three-phase and four-line remote cost control intelligent electric energy meter 4, three-phase and four-line remote bill control intelligence
Round relay normally open contact closure in energy electric energy meter 4, the coil of the second A.C. contactor 5, which is powered, to be attracted, and the second exchange connects
Normally-closed contact in tentaculum 5 disconnects, and causes the coil blackout of the first A.C. contactor 6, cuts off main circuit, makes load power down；Together
When the first A.C. contactor 6 in normally opened contact disconnect, running indicator 2 power-off extinguish；It is normally closed tactile in first A.C. contactor 6
Point closure, alarm lamp 3 are powered and light.
After main website issues power transmission instruction to three-phase and four-line remote cost control intelligent electric energy meter 4, three-phase and four-line remote bill control intelligence
Round relay normally open contact in energy electric energy meter 4 disconnects, and the coil blackout of the second A.C. contactor 5, causes the second exchange to connect
Normally-closed contact closure in tentaculum 5, triggers the coil in the first A.C. contactor 6 to be powered and is attracted, connect main line, supplied to load
Electricity；The normally-closed contact in the first A.C. contactor 6 disconnects at the same time, and alarm lamp 3 extinguishes, normally opened tactile in the first A.C. contactor 6
Point closure, running indicator 2 are powered and light.
Beneficial effects of the present invention are：
1st, the coil current of small-sized alternating current contactor is smaller, can extend the service life and efficiency of electric energy meter relay；Add
Dress small-sized alternating current contactor can avoid the relay inside electric energy meter from being damaged caused by long-term folding.If directly utilize electric energy meter
The large-scale A.C. contactor of relay folding, then because large-scale ac contactor coil electric current is excessive, cause electric energy meter internal relay
Damage, is not easy to replace.
2nd, connected using breaker from electric energy meter inlet wire, the power-off service of various equipment and replacement in electricity box can be facilitated.
3rd, using electric energy meter tripping round, parameter can be issued in marketing system, tripping is carried out and recovers power transmission, be not required to people
Work intervention.
4th, simple in structure, material requested is easily purchased, easy to install or repacking, easy to safeguard, service life length.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the external structure schematic diagram that low pressure of the present invention takes control case；
Fig. 2 is the wiring schematic diagram that low pressure of the present invention takes main circuit in control case；
Fig. 3 is the wiring schematic diagram that low pressure of the present invention takes control circuit in control case.
Embodiment
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of low pressure takes control case, including main circuit and control circuit.
Main circuit is including being sequentially connected in series the breaker 7 to connect, three-phase and four-line remote cost control intelligent electric energy meter 4 is exchanged with first
Contactor 6,7 external power supply of breaker, 6 external load of the first A.C. contactor.
Breaker 7,4 and first A.C. contactor 6 of three-phase and four-line remote cost control intelligent electric energy meter are arranged in electricity box main body 1
Portion.Meter reading window 9 and breaker operator window 8 are additionally provided with electricity box main body 1.
Control circuit includes tripping control circuit and running indicator, alarm lamp connection circuit.
In the control circuit that trips, power supply A phase lines connect the public of 4 internal relay of three-phase and four-line remote cost control intelligent electric energy meter
Contact, 5 coil of normally opened contact and the second A.C. contactor of 4 internal relay of three-phase and four-line remote cost control intelligent electric energy meter
Incoming end connects, the output termination power B phase lines or zero-power line of 5 coil of the second A.C. contactor；Power supply C phase lines and second
Normally-closed contact in A.C. contactor 5 connects, the normally-closed contact in the second A.C. contactor 5 again with the first A.C. contactor 6
The incoming end of coil connects, the output termination power B phase lines or zero-power line of 6 coil of the first A.C. contactor.
Running indicator, alarm lamp connection circuit in, power supply C phase lines respectively with the normally-closed contact in the first A.C. contactor 6 and
Normally opened contact connects, and the normally opened contact in the first A.C. contactor 6 connects running indicator 2, the normally-closed contact in the first A.C. contactor 6
It is informed of a case warning lamp 3；The rated current of first A.C. contactor 6 is 5-100 times of 5 rated current of the second A.C. contactor.As excellent
Scheme is selected, the rated current of the first A.C. contactor 6 is 8-20 times of 5 rated current of the second A.C. contactor.As preferred side
Case, the first A.C. contactor 6 are 100A A.C. contactors, and the second A.C. contactor 5 is 10A A.C. contactors.
Using the tripping round of three-phase and four-line remote cost control intelligent electric energy meter 4 is normally opened, normally-closed contact control A.C. contactor
Disconnect or be attracted, to realize user's power failure and restore electricity, realize and implement expense control function to user.
During normal operation, power supply is from 7 phase line of the breaker access in main line, through three-phase and four-line remote bill control intelligence electric energy
Table 4, into the first A.C. contactor 6, then leads to load.
After main website issues power failure instruction to three-phase and four-line remote cost control intelligent electric energy meter 4, three-phase and four-line remote bill control intelligence
Round relay normally open contact closure in energy electric energy meter 4, the coil of the second A.C. contactor 5, which is powered, to be attracted, and the second exchange connects
Normally-closed contact in tentaculum 5 disconnects, and causes the coil blackout of the first A.C. contactor 6, cuts off main circuit, makes load power down；Together
When the first A.C. contactor 6 in normally opened contact disconnect, running indicator 2 power-off extinguish；It is normally closed tactile in first A.C. contactor 6
Point closure, alarm lamp 3 are powered and light.
After main website issues power transmission instruction to three-phase and four-line remote cost control intelligent electric energy meter 4, three-phase and four-line remote bill control intelligence
Round relay normally open contact in energy electric energy meter 4 disconnects, and the coil blackout of the second A.C. contactor 5, causes the second exchange to connect
Normally-closed contact closure in tentaculum 5, triggers the coil in the first A.C. contactor 6 to be powered and is attracted, connect main line, supplied to load
Electricity；The normally-closed contact in the first A.C. contactor 6 disconnects at the same time, and alarm lamp 3 extinguishes, normally opened tactile in the first A.C. contactor 6
Point closure, running indicator 2 are powered and light.
When normal operation, power supply is accessed from 7 phase line of breaker, then flows into large-scale A.C. contactor（KM1）It is normally opened
Contact（It is normally opened to switch to closure state after A.C. contactor operation）, the normally-open normally-close contact through short circuit, is back to breaker zero curve
Place, running indicator are bright.
When A.C. contactor disconnects, normally-closed contact conducting, the normally-open normally-close contact through short circuit, is back to electric energy meter zero curve
Place, alarm lamp brighten.
Claims (5)
1. a kind of low pressure takes control case, including main circuit, the main circuit includes being sequentially connected in series the breaker to connect（7）, three-phase four
Line remote cost control intelligent electric energy meter（4）With the first A.C. contactor（6）, the breaker（7）External power supply, first exchange
Contactor（6）External load；The breaker（7）, three-phase and four-line remote cost control intelligent electric energy meter（4）With the first A.C. contactor
（6）It is arranged at electricity box main body（1）It is internal；It is characterized in that：Further include control circuit；The control circuit includes tripping control electricity
Road and running indicator, alarm lamp connection circuit；In the tripping control circuit, power supply A phase lines connect the three-phase and four-line remote bill
Control intelligent electric energy meter（4）The common of internal relay, the three-phase and four-line remote cost control intelligent electric energy meter（4）Internal relay
The normally opened contact of device and the second A.C. contactor（5）The incoming end of coil connects, second A.C. contactor（5）Coil
Output termination power B phase lines or zero-power line；Power supply C phase lines and second A.C. contactor（5）In normally-closed contact phase
Connect, second A.C. contactor（5）In normally-closed contact again with the first A.C. contactor（6）The incoming end of coil connects,
First A.C. contactor（6）The output termination power B phase lines or zero-power line of coil；The running indicator, alarm lamp connect
Connect in circuit, power supply C phase lines respectively with the first A.C. contactor（6）In normally-closed contact and normally opened contact connect, first exchange
Contactor（6）In normally opened contact connect running indicator（2）, the first A.C. contactor（6）In normally-closed contact be informed of a case warning lamp（3）；Institute
State the first A.C. contactor（6）Rated current be the second A.C. contactor（5）5-100 times of rated current.
2. low pressure as claimed in claim 1 takes control case, it is characterised in that：First A.C. contactor（6）Rated current be
Second A.C. contactor（5）8-20 times of rated current.
3. low pressure as claimed in claim 1 or 2 takes control case, it is characterised in that：First A.C. contactor（6）Exchanged for 100A
Contactor, second A.C. contactor（5）For 10A A.C. contactors.
4. low pressure as claimed in claim 1 takes control case, it is characterised in that：The electricity box main body（1）It is equipped with meter reading window（9）.
5. the low pressure as described in claim 1 or 4 takes control case, it is characterised in that：The electricity box main body（1）It is equipped with breaker operator
Window（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668708.9A CN105305241B (en) | 2015-10-13 | 2015-10-13 | A kind of low pressure takes control case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510668708.9A CN105305241B (en) | 2015-10-13 | 2015-10-13 | A kind of low pressure takes control case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105305241A CN105305241A (en) | 2016-02-03 |
| CN105305241B true CN105305241B (en) | 2018-04-24 |
Family
ID=55202180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510668708.9A Expired - Fee Related CN105305241B (en) | 2015-10-13 | 2015-10-13 | A kind of low pressure takes control case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105305241B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708323Y (en) * | 2004-01-19 | 2005-07-06 | 王德林 | Low-voltage prepaying batch meter |
| CN201781261U (en) * | 2010-09-11 | 2011-03-30 | 崔新国 | Distribution box protection device |
| CN202003447U (en) * | 2010-12-31 | 2011-10-05 | 石家庄百盛源电力科技咨询有限公司 | Prepaid intelligent irrigation and drainage device |
| CN204029047U (en) * | 2014-08-26 | 2014-12-17 | 国家电网公司 | A kind of pre-payment control box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7286340B2 (en) * | 2005-12-09 | 2007-10-23 | Eaton Corporation | Adjustable adapter for mounting electrical switching apparatus and enclosure assembly employing the same |
-
2015
- 2015-10-13 CN CN201510668708.9A patent/CN105305241B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2708323Y (en) * | 2004-01-19 | 2005-07-06 | 王德林 | Low-voltage prepaying batch meter |
| CN201781261U (en) * | 2010-09-11 | 2011-03-30 | 崔新国 | Distribution box protection device |
| CN202003447U (en) * | 2010-12-31 | 2011-10-05 | 石家庄百盛源电力科技咨询有限公司 | Prepaid intelligent irrigation and drainage device |
| CN204029047U (en) * | 2014-08-26 | 2014-12-17 | 国家电网公司 | A kind of pre-payment control box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105305241A (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205017015U (en) | Novel adjustment of low -voltage power supply network three -phase unbalanced load device | |
| CN205960668U (en) | Photovoltaic power plant is with energy -conserving protection switch device | |
| CN103683328B (en) | Automatic switching module and photovoltaic from net full-automatic power generation system | |
| CN201426052Y (en) | Power-type multiple safety protection intelligent electricity-saving system | |
| CN1901316A (en) | Converter for changing three phase power into single phase power | |
| CN101388550B (en) | Intelligent building electricity saving and distributing apparatus | |
| CN105305241B (en) | A kind of low pressure takes control case | |
| CN103094845B (en) | Intelligent power-saving inlet wire main cabinet | |
| CN205453286U (en) | But small -size power station integration activestandby switching control system control panel | |
| CN208158481U (en) | The control device of concrete vibrating system | |
| CN203312827U (en) | Photovoltaic power station energy-saving circuit | |
| CN202840292U (en) | Intelligent power saving incoming line main cabinet | |
| CN204333924U (en) | Pumping irrigation well electromotor integrated protection compensatory control case | |
| CN203589745U (en) | Automatic switchover module and photovoltaic grid-connected/off-grid automatic power generation system | |
| CN201797292U (en) | Reverse power relay with overcurrent | |
| CN208623382U (en) | A kind of alternating current and solar energy dual power supply automatic switching device | |
| CN107732929B (en) | Intelligent integrated power supply system with energy-saving integration of city piping lane | |
| CN202261157U (en) | Automatic energy saver of air compressor | |
| CN201039050Y (en) | Automatic conversion protector of three-phase asynchronous motor | |
| CN205178274U (en) | Manual reactive power compensator cabinet of power transformer | |
| CN202651758U (en) | Three-phase asynchronous alternating current motor protection circuit | |
| CN205195302U (en) | Photovoltaic view formula transformer case | |
| CN202221899U (en) | Dragging reactive power compensation control cabinet for pumping unit | |
| CN202103470U (en) | Substation anti-maloperation power-uninterrupted apparatus | |
| CN204156531U (en) | High-voltage generator system power factor compensation arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180424 Termination date: 20181013 |