CN206471914U - The line power distribution network interconnection switch of Three phase four - Google Patents
The line power distribution network interconnection switch of Three phase four Download PDFInfo
- Publication number
- CN206471914U CN206471914U CN201720163816.5U CN201720163816U CN206471914U CN 206471914 U CN206471914 U CN 206471914U CN 201720163816 U CN201720163816 U CN 201720163816U CN 206471914 U CN206471914 U CN 206471914U
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- Prior art keywords
- knife
- conductor
- switch
- protective device
- earth leakage
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- 239000004020 conductor Substances 0.000 claims abstract description 47
- 230000001681 protective effect Effects 0.000 claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model belongs to distribution network automated engineering field, more particularly to a kind of line power distribution network interconnection switch of Three phase four, including casing and chamber door, the box house is provided with support fixed plate, the second knife-like switch group that the top of the support fixed plate is provided with the first knife-like switch group and is arranged side by side with the first knife-like switch group, the second earth leakage protective device that bottom is provided with the first earth leakage protective device and is arranged side by side with the first earth leakage protective device, the first knife-like switch group top conductor interface is connected by conductor with an outside load, lower interface is connected setting by conductor with the top conductor interface of the first earth leakage protective device.The utility model can be according to specified conditions (whether mainly detection band power-on circuit has electricity) two separate lines of UNICOM; accessed with the stand-by power supply for realizing dead line; power failure range and power off time are reduced, while having the functions such as anti-misoperation, isolation, locking, protection, instruction.
Description
Technical field
The utility model belongs to distribution network automated engineering field, more particularly to a kind of contact of the line power distribution network of Three phase four
Switch.
Background technology
Interconnection switch plays the switch of contact in contact cabinet.It is used primarily in two power supplys, two transformers are matched somebody with somebody
In electric system, the control cabinet of two transformers distinguishes outlet to contact cabinet the inside.The upper of cabinet is got in touch with, lower mouth connects two master controls respectively
Outlet, i.e., one use inlet wire suitable for reading, the lower mouth inlet wire of a use.But electric power system while for 2 sets and the above, connection
The main function of network cabinet is that other set electric power system can pass through after power failure or power-off fault occur for other set system
Get in touch with cabinet to give the power supply of the outgoing line cabinet of this set power failure system, to allow the distribution group using this set power failure system to be powered.
The connected mode of existing interconnection switch is very cumbersome, causes the wire got in touch with cabinet at sixes and sevens, to maintenance
Personnel bring many inconvenience；Earth leakage protective device can be all typically provided with every group of circuit, because earth leakage protective device can not
Inverse logical characteristic so that the connection of present interconnection switch, it is more complicated and single, and unidirectional conducting switch can not be used, and need
Very important person scene carries out breaking-closing operating.
The electricity consumption device of division can be automatically controlled now, and generally incoming line power taking, interconnection switch originally is generally required
A part of operating mechanism is connect again, and operating mechanism needs independent power supply.
Utility model content
Conveniently novel, degree of intelligence is higher there is provided a kind of connected mode for the problem of the utility model is directed to above-mentioned, can
Realize that unilateral power-off is automatically engaged, also manually controllable input, the line distribution of Three phase four of unidirectional conducting switch can be used
Net interconnection switch.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of line power distribution network interconnection switch of Three phase four, including casing and chamber door, the box house are provided with support
Fixed plate, the top of the support fixed plate is provided with the first knife-like switch group and be arranged side by side with the first knife-like switch group
Two knife-like switch groups, the second earth leakage protective that bottom is provided with the first earth leakage protective device and is arranged side by side with the first earth leakage protective device
Device, the first knife-like switch group top conductor interface connect by conductor with an outside load, lower interface by conductor and
The top conductor interface connection of first earth leakage protective device is set, and the top conductor interface of first earth leakage protective device passes through conductor
Be connected setting with the top conductor interface of the second knife-like switch group, the top conductor interface of the second knife-like switch group by conductor with
Outside another transformer connection, lower wire interface is connected with the top conductor interface of the second earth leakage protective device by conductor and set
Put, the lower wire interface of second earth leakage protective device is connected by conductor with the conductor interface on the first knife-like switch group top to be set
Put.
Preferably, being provided with switch on and off controller on the inside of the chamber door.
Preferably, the bottom of the switch on and off controller is provided with the storage casket on the inside of chamber door.
Preferably, being provided with the terminal block with fuse in the box house inner left wall.
Preferably, being provided with terminal block on inwall on the right side of the box house.
Preferably, the conductor is conductive copper sheet.
Compared with prior art, advantage of the present utility model and good effect are：
The utility model can be according to specified conditions (whether mainly detection band power-on circuit has electricity) two independences of UNICOM
Circuit, is accessed with the stand-by power supply for realizing dead line, reduces power failure range and power off time, at the same have anti-misoperation, every
From functions such as, locking, protection, instructions.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, required in being described below to embodiment
The accompanying drawing used is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the line power distribution network interconnection switch of Three phase four；
Fig. 2 is the structural representation of the line power distribution network interconnection switch (another angle) of Three phase four；
Fig. 3 is the structural representation of the line power distribution network interconnection switch of Three phase four (being observed from below)；
Fig. 4 is the schematic diagram in terms of circuit in the line power distribution network interconnection switch of Three phase four；
Fig. 5 is the specific working circuit diagram of circuit aspect in the line power distribution network interconnection switch of Three phase four；
Fig. 6 is to show the circuit diagram of line voltage in embodiment 1；
Fig. 7 is to show the sub- schematic diagram of circuit of line voltage in embodiment 1；
Fig. 8 is to show the circuit diagram of phase voltage in embodiment 1；
Fig. 9 is to show the sub- schematic diagram of circuit of phase voltage in embodiment 1；
Figure 10 is to show the circuit diagram of scheme one in electric current in embodiment 1；
Figure 11 is to show the circuit diagram of scheme two in electric current in embodiment 1；
Figure 12 is the circuit diagram of one of them of scheme one in electrical interlocks in embodiment 1；
Figure 13 is another the circuit diagram of scheme one in electrical interlocks in embodiment 1；
Figure 14 is the circuit diagram of scheme two in electrical interlocks in embodiment 1；
Figure 15 is the circuit diagram of one of them of scheme three in electrical interlocks in embodiment 1；
Figure 16 is another the circuit diagram of scheme three in electrical interlocks in embodiment 1；
Figure 17 is the circuit diagram of scheme one in electronic interlocking in embodiment 1；
Figure 18 is the circuit diagram of scheme two in electronic interlocking in embodiment 1；
More than in each figure, 1, casing；2nd, chamber door；3rd, the first knife-like switch group；4th, the second knife-like switch group；5th, the first earth leakage protective
Device；6th, the second earth leakage protective device；7th, switch on and off controller；8th, conductor.
Embodiment
It is below in conjunction with the accompanying drawings and real in order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage
Example is applied to be described further the utility model.It should be noted that in the case where not conflicting, embodiments herein and reality
Applying the feature in example can be mutually combined.
Many details are elaborated in the following description to fully understand the utility model, still, this practicality
New to implement using different from other modes described here, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment 1, as shown in Figure 1, Figure 2, Figure 3 shows, the utility model are got in touch with there is provided a kind of line power distribution network of Three phase four
Switch, including casing and chamber door, the here design for casing will carefully say, the casing in the utility model be one into
Type design, you can with effective dust and moisture, chamber door is then to be hinged setting with casing, in order to improve sealing property, it is practical
New people is provided with hermatic door edge on casing, and water can also equally flowed down along door edge；Its box house is provided with branch
The critical component of support fixed plate, i.e. interconnection switch is then provided in the support fixed plate；From figure 1 it appears that in branch
The second knife-like switch group that the top of support fixed plate is provided with the first knife-like switch group and is arranged side by side with the first knife-like switch group, bottom
There is provided the first earth leakage protective device and the second earth leakage protective device being arranged side by side with the first earth leakage protective device, for first knife
Switches set and the second knife-like switch group, what its shape, size and function were just as, in order to easily distinguish internal specific connection
Relation, so two knife-like switch groups are specifically named, the first earth leakage protective device and the second earth leakage protective device are also same
The knife-like switch component selected in the reason of sample, the utility model is then whole knife-like switch, naturally it is also possible to select intelligent one
The on-off switch of point, the main cause from knife-like switch is to make it have obvious divide-shut brake to indicate function；Can be so that operation
Person can become apparent from knowing the break-make situation at this, and the effect that earth leakage protective device is set in the circuit is can be thrown with bringing onto load
Cut, and have detection leakage current, protection human or animal gets an electric shock, the failure such as transmission line of electricity ground connection.
Below specifically once in the utility model to the mode of the specific connection of above-mentioned knife-like switch and earth leakage protective device.
Note, for knife-like switch and earth leakage protective device, its upper and lower part is all provided with connection jaws, and is three
The line of phase four；As shown in Figure 4, Figure 5, the first knife-like switch group top conductor interface is connected by conductor with an outside load, under
Portion's interface is connected setting, the top wire of the first earth leakage protective device with the top conductor interface of the first earth leakage protective device by conductor
Interface is connected setting with the top conductor interface of the second knife-like switch group by conductor, and the top conductor interface of the second knife-like switch group leads to
Cross conductor to connect with outside another transformer, lower wire interface is connect by the top wire of conductor and the second earth leakage protective device
Mouth connection is set, and the lower wire interface of the second earth leakage protective device passes through conductor and the conductor interface on the first knife-like switch group top connects
It is logical to set；Using above-mentioned connected mode so that the first knife-like switch group, the second knife-like switch group, the first earth leakage protective device, the first leakage
Non-electricity protector, energization end, two formation two lines roads between transformer and user, it is achieved thereby that the purpose of interconnection switch,
One is：One transformer, the first knife-like switch group, the first earth leakage protective device, user, another is：Another transformer, the second knife are opened
Pass group, the second earth leakage protective device, user；Under normal circumstances, electric current is passed directly to user by transformer, if the wire at this
Normal power-up is unable to, operator can pass through knife-like switch group of paying wages, you can quickly to make user's normal electricity consumption.
A detection plate is done on leakage is protected, mouth has and can not thrown during electricity under the leakage is protected, leakage guarantor can choose whether automatic throwing
Cut, it is necessary to which short circuit mouthful short circuit could switching under non-automatic switching state.
Will leakage guarantor be set to automatic switching, when two disconnecting links all close, leakage guarantor detect it is suitable for reading have electricity, lower mouth does not have electricity
When, the automatic switching function of device with switching, can be realized, such as two transformers are powered simultaneously, then leakage protects meeting because of self property
And trip, realize automatic excision function.
In order to further optimize the interconnection switch, make it more intelligent, utility model people is also provided with the inner side of chamber door
Switch on and off controller, the switch on and off controller has display line voltage, display phase voltage, display electric current.
1.1 display line voltages (as shown in Figure 6, Figure 7)
Scheme one：Using a voltmeter, an at least third gear position conversion switch shows AB, AC, BC three-phase line voltage.
If with digital display type, power supply power taking may be needed；
Scheme two：AB, AC, BC three-phase line voltage are shown using three voltmeters or a three-phase voltage meter.If using digital display
Formula, then may need power supply power taking.
Scheme three：Utilize 485 communications.
1.2 display phase voltages
Scheme one：As shown in figure 8, using a voltmeter, an at least third gear position conversion switch shows A, B, C three-phase
Phase voltage.If with digital display type, power supply power taking may be needed.
Scheme two：As shown in figure 9, showing A, B, C three-phase line voltage using three voltmeters or a three-phase voltage meter.If
With digital display type, then power supply power taking may be needed.
1.3 display electric currents
Scheme one：As shown in Figure 10, using an ammeter, an at least third gear position conversion switch shows A, B, C three-phase
Electric current.If with digital display type, power supply power taking may be needed；
Scheme two：As shown in figure 11, A, B, C three-phase current are shown using three ammeters or a three-phase electricity flow table.If
With digital display type, then power supply power taking may be needed.
The utility model is in order to prevent bidirectional power supply, the i.e. interlocking with switch room.
1.1 utilize relay, and breaker leaks the normally-open normally-close contacts such as guarantor and carries out electrical interlocks.
As shown in Figure 12 and Figure 13, example one is, using relay interlocking, to leak the automatic switching function control protected (if having the disadvantage
It is to be put into interconnection switch, and with another side transformer without obvious cut-off point, if B transformers are powered suddenly, easily occurs
Problem, so require there is warning statement on switch).
As shown in figure 14, example two is to protect switching using the control AB leakages of relay electrical interlocks.I.e. detection B phases are leaked guarantor lower end and had
Electricity, when A is without electricity and upper end have can be thrown during electricity A leakage protect (now, leakage protect input control program criterion for control mouth short circuit one section when
Between after can put into, it is that control mouth is sustained short-circuit in input that control program is protected in general leakage).If (interconnection switch be connected to
B transformer outgoing line sides have the place of cut-off point, and relay is connected on the upside of cut-off point to transformer portion, then can use common leakage
Protect, if leakage guarantor's control program is changed to control terminal closure leakage and protects input, disconnection excision can then realize transformer power supply suddenly then
Disconnect the function that leakage is protected).
As shown in Figure 15, Figure 16, example three is to protect normally-open normally-close contact using leakage to be interlocked now, leaks the input control protected
Program criterion is that can put into after control mouth short-circuit a period of time.
Example four is to detect whether two transformers have voltage x current using controller, the input that rear control leakage is protected.
1.2 carry out electronic interlocking using controller.
As shown in figure 17, one is that 485 communication ports are protected in the leakages of AB two or short-circuit switching control mouth is connected with controller, by controller
Control AB leakages to protect switching, that is, leak whether the body detection upper and lower sides that break even have electricity, there is electricity upside, and downside can then throw the leakage without electricity and protect (1.
General leakage, which is protected, does not possess this function, and I takes charge of and require what Lou Bao producers added, and 2., which adopt voltage, can adopt single-phase voltage, can also adopt line electricity
Pressure, it is determined whether have voltage)；As shown in figure 18 two be to protect whether upper and lower opening has electricity by controller detection leakage, rear control leakage
Protect input (conventional leakage, which is protected, can be achieved).
It is arranged on from figure 1 it appears that utility model people is also provided with the bottom of switch on and off controller in chamber door
The storage casket of side, the storage casket, which is mainly, puts some related instruments etc., and switch fusing controller is primarily used in detection
State data, such as various voltages etc..
It is provided with the right side of the terminal block with fuse, box house and is provided with inwall in its box house inner left wall
Comparatively terminal block, the terminal block is the more commonly used, therefore is not described in detail herein.
Its conductor selects conductive copper sheet.
This is supplemented illustratively, for connecting the conductor of each critical component, except knife-like switch group and earth leakage protective device are vertical
Outside the conductor being directly vertically connected with, it has been all disposed within behind support fixed plate.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any those skilled in the art are changed or are modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change is applied to other fields, but every without departing from technical solutions of the utility model content, according to this reality
Any simple modification, equivalent variations and the remodeling made with new technical spirit to above example, still fall within this practicality new
The protection domain of type technical scheme.
Claims (6)
1. a kind of line power distribution network interconnection switch of Three phase four, including casing and chamber door, it is characterised in that the box house is set
Support fixed plate is equipped with, the top of the support fixed plate is provided with the first knife-like switch group and set side by side with the first knife-like switch group
The the second knife-like switch group put, the second leakage that bottom is provided with the first earth leakage protective device and is arranged side by side with the first earth leakage protective device
Non-electricity protector, the first knife-like switch group top conductor interface is connected by conductor with an outside load, and lower interface passes through
Conductor is connected setting with the top conductor interface of the first earth leakage protective device, and the top conductor interface of first earth leakage protective device leads to
Cross conductor and setting is connected with the top conductor interface of the second knife-like switch group, the top conductor interface of the second knife-like switch group passes through
Conductor is connected with outside another transformer, and lower wire interface passes through conductor and the top conductor interface of the second earth leakage protective device
Connection is set, and the lower wire interface of second earth leakage protective device passes through conductor and the conductor interface on the first knife-like switch group top
Connection is set.
2. the line power distribution network interconnection switch of Three phase four according to claim 1, it is characterised in that the inner side of the chamber door
It is provided with switch on and off controller.
3. the line power distribution network interconnection switch of Three phase four according to claim 2, it is characterised in that the switch on and off control
The bottom of device processed is provided with the storage casket on the inside of chamber door.
4. the line power distribution network interconnection switch of Three phase four according to claim 1, it is characterised in that the box house is left
The terminal block with fuse is provided with the inwall of side.
5. the line power distribution network interconnection switch of Three phase four according to claim 1, it is characterised in that the box house is right
Terminal block is provided with the inwall of side.
6. the line power distribution network interconnection switch of Three phase four according to claim 1, it is characterised in that the conductor is conduction
Copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163816.5U CN206471914U (en) | 2017-02-23 | 2017-02-23 | The line power distribution network interconnection switch of Three phase four |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163816.5U CN206471914U (en) | 2017-02-23 | 2017-02-23 | The line power distribution network interconnection switch of Three phase four |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471914U true CN206471914U (en) | 2017-09-05 |
Family
ID=59707615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720163816.5U Withdrawn - After Issue CN206471914U (en) | 2017-02-23 | 2017-02-23 | The line power distribution network interconnection switch of Three phase four |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953400A (en) * | 2017-02-23 | 2017-07-14 | 山东电工电气集团新能科技有限公司 | The line power distribution network interconnection switch of Three phase four |
-
2017
- 2017-02-23 CN CN201720163816.5U patent/CN206471914U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953400A (en) * | 2017-02-23 | 2017-07-14 | 山东电工电气集团新能科技有限公司 | The line power distribution network interconnection switch of Three phase four |
| CN106953400B (en) * | 2017-02-23 | 2023-08-11 | 山东电工电气集团新能科技有限公司 | Novel three-phase four-wire distribution network tie switch |
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