CN109444493A - It can three phase connection plug-in unit of phase changing type high pressure - Google Patents
It can three phase connection plug-in unit of phase changing type high pressure Download PDFInfo
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- CN109444493A CN109444493A CN201811286115.6A CN201811286115A CN109444493A CN 109444493 A CN109444493 A CN 109444493A CN 201811286115 A CN201811286115 A CN 201811286115A CN 109444493 A CN109444493 A CN 109444493A
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- phase
- terminal box
- box
- switch
- conversion
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- 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
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses can three phase connection plug-in unit of phase changing type high pressure, by using outside line terminal box and conversion terminal box be prepared into finished work-piece, in three phase metering table wiring when wiring, avoid execute-in-place, waste time be easy error the problem of；By the conversion circuit for converting junction box, conversion can be adjusted to current polarity and phase sequence by the change-over switch of conversion circuit, it is applicable in the case of the external circuits of different phase sequences, electric energy is directly adjusted to by reversing switch after plug-in unit is installed and becomes correct phase sequence and current polarity, when the subsequent current polarity because of external circuits or phase sequence are changed due to line adjustment, the adjustment that current polarity and phase sequence can also be carried out by converting the change-over switch of terminal box, avoids the terminal box rewiring bring troublesome operations to electric energy meter.
Description
Technical field
The present invention relates to a kind of terminations, and in particular to one kind can three phase connection plug-in unit of phase changing type high pressure.
Background technique
In three phase metering table wiring, the reversed high pressure gauge that will cause of A, C phase is had good luck abnormal situation；Practical dress table connects electricity
In work, work on the spot need to cut that conducting wire, connecting wire radical is more, needs moulding, large labor intensity, low efficiency；By staff
Level of skill influence, be easy to happen wrong line, field modification wiring need to frequently have a power failure；Situ metrology is easy to be moved by route
Change, substation operation mode adjusts influence, causes wiring phase sequence mistake, metering device later maintenance working procedure is complicated, especially
It is current polarity, phase sequence mistake, change wiring complex procedures are influenced vulnerable to objective condition.
Summary of the invention
The technical problems to be solved by the present invention are: when three phase metering table wiring the problem of wiring complex procedures, the present invention
Provide solve the above problems can three phase connection plug-in unit of phase changing type high pressure.
The present invention is achieved through the following technical solutions:
Can three phase connection plug-in unit of phase changing type high pressure, including outside line terminal box and conversion terminal box；The outer lines
Road terminal box is for connecting external power supply；The outside line terminal box and conversion terminal box are by cooperating wiring nose with copper wire
It is connect with voltage connector；The conversion junction box includes conversion circuit and multiple change-over switches；The change-over switch
Formula paddle switch is pulled out to be sliding；Have in the conversion terminal box and is used to support the sliding mounting post for pulling out formula paddle switch, the cunning
Pulling out the switch surrounding design of formula paddle has limit rib, and limit rib is fixed by screws on box body, and the cunning pulls out formula paddle switch
Operation switch setting is slided in guide groove, and the guide groove is arranged on box body；The cable connection connector of the conversion circuit uses
Copper sleeve, the copper sleeve are set in limit chamber, and cabling cable is also set up in the limit chamber.It is connect by using outside line
Wire box and conversion terminal box are prepared into finished work-piece, in three phase metering table wiring, avoid execute-in-place, waste time to hold
Error-prone problem；It, can be to electric current pole by the change-over switch of conversion circuit by converting the conversion circuit of junction box
Property and phase sequence be adjusted conversion, be applicable in the case of the external circuits of different phase sequences, it is directly logical after plug-in unit is installed
Cross reversing switch and be adjusted to electric energy and become correct phase sequence and current polarity, in the subsequent current polarity because of external circuits or
When phase sequence is changed due to line adjustment, the tune of current polarity and phase sequence can also be carried out by converting the change-over switch of terminal box
It is whole, avoid the terminal box rewiring bring troublesome operations to electric energy meter；It is slided by commutation, change of current paddle switch using support
Pull out formula paddle, it is ensured that reliable and stable inside when commutation, the change of current；Each copper sleeve surrounding has limit, the spacing from thickness
For cabling, Operation switch is slided in specified guide groove, guarantees the stability of switch.
Further, conversion terminal box is provided with interior box cover；The inner box, which covers, is provided with switch hole, so that change-over switch
Operating mechanism leak out in box cover, the interior box cover use transparent material.Interior box cover uses transparent material, can observe internal device
Part situation and cabling situation.
Further, the conversion terminal box the top is provided with the protection cap of lead sealing.The protection cap of lead sealing and state's net electricity
Energy table is general, and protection cap mounting means is consistent with state's netlist lid, rotarily opens after unclamping upper screw, and sliding formula paddle design of pulling out exists
Inside protection cap, prevent non-powered departmental staff from operating.
Further, the connector at conversion terminal box and ammeter end uses copper bar plug-in unit.Pass through copper bar plug-in unit and ammeter end
The Elastic Contact that button box entrance hole carries out interference type carrys out electric conduction circulation, and elasticity comes from contact material itself and contact
Built-in Lantern elasticity component, it is common to provide and keep a stable lateral expansion force, make contact and ammeter inlet wire
Hole fits closely, and carries real-time current；Also make device quick and easy for installation, be disposably installed in place.
Further, outside line terminal box is using mutual inductance type terminal box.
The present invention has the advantage that and the utility model has the advantages that
1, by the present invention in that finished work-piece is prepared into outside line terminal box and conversion terminal box, in three phase metering
When table wiring when wiring, execute-in-place is avoided, wastes time the problem of being easy error；By the conversion for converting junction box
Circuit can be adjusted conversion to current polarity and phase sequence by the change-over switch of conversion circuit, be applicable to different phases
In the case of the external circuits of sequence, electric energy is directly adjusted to by reversing switch after plug-in unit is installed and becomes correct phase sequence and electricity
Polarity is flowed, it, can also be by turning when the subsequent current polarity because of external circuits or phase sequence are changed due to line adjustment
The change-over switch of changing-over wire box carries out the adjustment of current polarity and phase sequence, avoids the terminal box rewiring bring to electric energy meter
Troublesome operations；Formula paddle is pulled out using support cunning by commutation, change of current paddle switch, it is ensured that reliable steady inside when commutation, the change of current
It is fixed；Each copper sleeve surrounding has limit, and spacing is used for cabling from thickness, and Operation switch is slided in specified guide groove,
Guarantee the stability of switch；
2, box cover uses transparent material in the present invention, can observe internal components situation and cabling situation；
3, the protection cap of lead sealing of the present invention and state's net electric energy meter are general, and protection cap mounting means is consistent with state's netlist lid, pine
It is rotarily opened after opening upper screw, sliding formula paddle design of pulling out prevents non-powered departmental staff from operating inside protection cap.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is external structure schematic diagram of the invention.
Fig. 2 is conversion junction box partial schematic diagram of the invention.
Fig. 3 is the embodiment of the present invention conversion circuit figure.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1, can three phase connection plug-in unit of phase changing type high pressure, including outside line terminal box 2 and conversion terminal box
1；The outside line terminal box 2 is for connecting external power supply；The outside line terminal box 2 passes through use with conversion terminal box 1
Copper wire cooperation wiring nose is connect with voltage connector 3；It include conversion circuit and multiple conversions inside the conversion terminal box 1
Switch 4；The change-over switch 4 is that sliding formula paddle of pulling out switchs；It is used to support cunning in the conversion terminal box and pulls out formula paddle
The mounting post 102 of switch is installed in mounting post 102 by the way that mounting hole is arranged on switch elements；The cunning pulls out formula paddle
Switch surrounding design has limit rib, and limit rib is fixed by screws on box body, and the cunning pulls out the operating mechanism of formula paddle switch
Setting is slided in guide groove 101, and the guide groove 101 is arranged on box body；The cable connection connector of the conversion circuit uses copper
Connector, the copper sleeve are set to 103 in limit chamber, also set up cabling cable in the limit chamber 103.It is designed on wiring plug-in unit
It is used to support the sliding mounting post for pulling out formula paddle, and in surrounding devises limit rib, it is ensured that is sliding to pull out wiring when formula paddle is sliding to pull out and insert
Part ontology consolidates, and each copper sleeve surrounding has limit, and spacing is used for cabling, the eye-catching Operation switch of color from thickness
It is slided in specified guide groove.
When implementation, conversion terminal box 1 is provided with interior box cover；The inner box, which covers, is provided with switch hole, so that change-over switch
Operating mechanism leak out in box cover, the interior box cover use transparent material；Conversion terminal box the top is provided with the protection of lead sealing
Lid；The connector for converting terminal box and ammeter end uses copper bar plug-in unit 5；Copper bar plug-in unit 5 is connected to delighted in conversion terminal box
On connector, copper bar insert hole 104 is provided at the top of conversion terminal box；Outside line terminal box is using mutual inductance type wiring
Box.Wiring plug-in unit increases the protection cap of lead-sealable actuation, and lead sealing and state's net electric energy meter are general, protection cap mounting means and state's netlist lid one
It causes, is rotarily opened after unclamping upper screw, sliding formula paddle design of pulling out prevents non-powered departmental staff from operating inside protection cap.
Traditional wired uses 15, conducting wire, fastening screw 50, needs manual tie point 4*7+1；Only using wiring after wiring plug-in unit
Using 8, conducting wire, fastening screw 22, on-site manual tie point only 2*7+1, the work on the spot time about 50% is reduced, is reduced
Wiring error rate of breakdown 50%.
As shown in figure 3, conversion circuit includes double-point double-throw switch S1, double-point double-throw switch S2, four double-pole double throw switch S3；Institute
Double-point double-throw switch S1 connection A phase inlet-outlet line is stated, S1 carries out electric current commutation to the inlet wire of A phase and outlet；The double-pole double throw is opened
S2 connection C phase inlet wire outlet is closed, S2 carries out electric current commutation to the inlet wire of C phase and outlet；A phase passes in and out line current and opens through double-pole double throw
Close S1 control output after be connected to four double-pole double throw switch S3, C phases pass in and out line current through double-point double-throw switch S2 control output after connect
It is connected to four double-pole double throw switch S3；The four double-pole double throw switches S3 connection A phase is into inlet-outlet line and C phase inlet-outlet line, and S3 is to A phase and C phase
It carries out phase sequence conversion, A phase current and C phase current and is connected to electric energy meter after four double-pole double throw switch S3 control output.
When implementation, the double-point double-throw switch S1 connection A phase inlet-outlet line, S1 carries out electric current with outlet to the inlet wire of A phase and changes
To circuit connecting mode are as follows: the two of the double-point double-throw switch S1 intermediate common end M101, M102 be separately connected A phase inlet wire or
Outlet；Two folding terminals R101 of two folding terminals D101, D102 and right side on the left of double-point double-throw switch S1,
R102 is diagonally connected, and the diagonal connection is that D101 is connect with R102, and D102 is connect with R101.
Double-point double-throw switch S2 connection C phase inlet wire outlet, the circuit that S2 carries out electric current commutation to the inlet wire of C phase and outlet connect
Connect mode are as follows: the two of the double-point double-throw switch S2 intermediate common end M201, M202 are separately connected C phase inlet wire or outlet；Double-pole
Two diagonal phases of folding terminals R201, R202 of two foldings terminals D201, D202 and right side on the left of commutator S2
Even, the diagonal connection is that D201 is connect with R202, and D202 is connect with R201.
Into inlet-outlet line and C phase inlet-outlet line, S3 carries out phase sequence conversion with C phase to A phase and connects four double-pole double throw switch S3 connection A phases
Line mode is: described terminals D101, D102 and D201, D202 respectively with the intermediate common end M301 of four double-pole double throw switch S3,
M302, M303, M304 connection；Folding terminals D301, D302 of four double-pole double throw switch S3 is respectively with four double-pole double throw switch S3's
The other side opens and closes terminals R303, R304 connection；Folding terminals D303, D304 of four double-pole double throw switch S3 is double with four knives respectively
Other side folding terminals R301, R302 connection of throw switch S3.
Double-point double-throw switch S1, double-point double-throw switch S2, four double-pole double throw switch S3 are switched using sliding-type.
When implementation, if M101 connection A phase current inlet wire, M102 connection A phase current outlet, then the side D D101 output is
Inlet wire current, D102 output are line currents out；When toggle switch S1 is to the side R, then the side D D101 be A phase go out line current,
D102 is A phase inlet wire current；Reach the operation of the A phase current pole reversal.If M201 connection C phase inlet wire, M202 connection C phase go out
Line, if switch is closed in the side D, D201 output in the side D be inlet wire current, D202 output is line current out；It stirs
When switch to the side R, then the side D D201 is that line current, D202 are inlet wire currents out；Reach the operation of the C phase current pole reversal.
When finding that A, C electric current mutually limit reversed, switch S3 is allocated to other side, A, C two-phase phase sequence purpose can be changed, realizes mistake
Wiring correction.
Wiring error later maintenance workload: traditional wired need to frequently have a power failure, and clear up internal links route, aobvious according to instrument
Show rewiring；After wiring plug-in unit: not having a power failure, show that correction wiring adjustment plectrum changes wiring according to instrument.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. can three phase connection plug-in unit of phase changing type high pressure, which is characterized in that including outside line terminal box and conversion terminal box；Institute
Outside line terminal box is stated for connecting external power supply；The outside line terminal box is with conversion terminal box by being cooperated with copper wire
Wiring nose is connect with voltage connector；The conversion junction box includes conversion circuit and multiple change-over switches；It is described
Change-over switch is that sliding formula paddle of pulling out switchs；It is equipped in the conversion terminal box and is used to support the sliding mounting post for pulling out formula paddle switch,
The cunning, which pulls out the switch surrounding design of formula paddle, limit rib, and limit rib is fixed by screws on box body, and the cunning pulls out formula paddle
The operating mechanism setting of switch is slided in guide groove, and the guide groove is arranged on box body；The cable connection of the conversion circuit connects
Head uses copper sleeve, and the copper sleeve is set in limit chamber, and cabling cable is also set up in the limit chamber.
2. according to claim 1 can three phase connection plug-in unit of phase changing type high pressure, which is characterized in that the conversion terminal box is set
It is equipped with interior box cover；The inner box, which covers, is provided with switch hole, so that the operating mechanism of change-over switch leaks out interior box cover, the inner box
Lid uses transparent material.
3. according to any one of claims 1 or 2 can three phase connection plug-in unit of phase changing type high pressure, which is characterized in that described
Conversion terminal box the top is provided with the protection cap of lead sealing.
4. according to claim 1 can three phase connection plug-in unit of phase changing type high pressure, which is characterized in that the conversion terminal box with
The connector at ammeter end uses copper bar plug-in unit.
5. according to claim 1 can three phase connection plug-in unit of phase changing type high pressure, which is characterized in that the outside line wiring
Box is using mutual inductance type terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286115.6A CN109444493A (en) | 2018-10-31 | 2018-10-31 | It can three phase connection plug-in unit of phase changing type high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286115.6A CN109444493A (en) | 2018-10-31 | 2018-10-31 | It can three phase connection plug-in unit of phase changing type high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109444493A true CN109444493A (en) | 2019-03-08 |
Family
ID=65550493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286115.6A Pending CN109444493A (en) | 2018-10-31 | 2018-10-31 | It can three phase connection plug-in unit of phase changing type high pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109444493A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111555U (en) * | 1992-01-26 | 1992-07-29 | 蒋迎春 | Alternating current phase-sequence changed device |
| CN103399184A (en) * | 2013-08-05 | 2013-11-20 | 国家电网公司 | Joint junction box convenient for adjusting phase sequence |
| CN206524592U (en) * | 2017-03-01 | 2017-09-26 | 湖北汉光电气股份有限公司 | A kind of phase modulation formula low-voltage cable branch unit |
| CN207036914U (en) * | 2017-05-12 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Switching regulator phase sequence switches combined connection box |
| CN207036917U (en) * | 2017-06-19 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Thread-changing formula terminal box |
| CN108339319A (en) * | 2018-03-30 | 2018-07-31 | 浙江格池园艺用品有限公司 | The difunctional switch of rotary push and a kind of filter |
-
2018
- 2018-10-31 CN CN201811286115.6A patent/CN109444493A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2111555U (en) * | 1992-01-26 | 1992-07-29 | 蒋迎春 | Alternating current phase-sequence changed device |
| CN103399184A (en) * | 2013-08-05 | 2013-11-20 | 国家电网公司 | Joint junction box convenient for adjusting phase sequence |
| CN206524592U (en) * | 2017-03-01 | 2017-09-26 | 湖北汉光电气股份有限公司 | A kind of phase modulation formula low-voltage cable branch unit |
| CN207036914U (en) * | 2017-05-12 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Switching regulator phase sequence switches combined connection box |
| CN207036917U (en) * | 2017-06-19 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Thread-changing formula terminal box |
| CN108339319A (en) * | 2018-03-30 | 2018-07-31 | 浙江格池园艺用品有限公司 | The difunctional switch of rotary push and a kind of filter |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |
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| RJ01 | Rejection of invention patent application after publication |