CN107910835B - Phase sequence combined connection box easy to adjust and phase sequence method of adjustment - Google Patents
Phase sequence combined connection box easy to adjust and phase sequence method of adjustment Download PDFInfo
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- CN107910835B CN107910835B CN201710336204.6A CN201710336204A CN107910835B CN 107910835 B CN107910835 B CN 107910835B CN 201710336204 A CN201710336204 A CN 201710336204A CN 107910835 B CN107910835 B CN 107910835B
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- 238000000819 phase cycle Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims description 13
- 230000005611 electricity Effects 0.000 claims description 42
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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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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- Architecture (AREA)
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Abstract
A kind of combined connection box that phase sequence is easy to adjust, comprising: junction box body, if there are three voltage and current junction block and the terminal plate of zero curve junction block, the phase sequence changeover module being electrically connected respectively with first voltage and current junction block and third voltage and current junction block;First voltage and current junction block and third voltage and current junction block respectively include connecing electrical component and changeover module;Connecing electrical component includes: voltage power connecting column, middle electric current power connecting column, left electric current power connecting column and right electric current power connecting column;Changeover module includes: that column is changed in voltage left cut, and column, left current switching column group and right current switching column group are changed in voltage right cut;Left current switching column group and right current switching column group respectively include that column is changed in electric current left cut and column is changed in electric current right cut;Middle electric current power connecting column is electrically connected with right electric current power connecting column or is electrically connected with left electric current power connecting column.Phase sequence combined connection box easy to adjust does not influence user power utilization and voltage, electric current electrical connection when adjusting phase sequence is not easy to obscure safety preferable.
Description
Technical field
The present invention relates to power domain, especially a kind of combined connection box that phase sequence is easy to adjust and phase sequence method of adjustment.
Background technique
Electric energy metering combined wiring box is primarily adapted for use in the phase three-wire three that need to be accessed through current transformer or three-phase and four-line electricity
It can measurement loop.Electric energy meter is combined by installing combined connection box with secondary circuit (voltage secondary circuit and electric current secondary loop)
Wiring carries out ammeter when easily and safely live on-load may be implemented to tear table, dress table open under inspection and electriferous state, to guarantee
Electric current secondary loop open circuit and voltage secondary circuit short circuit are prevented in operating process, while can also be avoided pulling down on-load switch and made
Economic loss caused by user has a power failure.A kind of electrical energy measurement of the disclosure of the invention of Chinese Patent Application No. CN201510591399.X
Combined connection box, including the terminal plate being arranged in junction box body and junction box body, the terminal plate is equipped with U, V, W phase voltage and electricity
Flow junction block and zero curve junction block;The electric current junction block of U, V, W phase is set to voltage link block two sides.Traditional electric energy meter
It measures combined connection box to exist when negative phase sequence mistake occurs in joint wiring, needing to have a power failure connects any two phase at electric energy meter tail
Line mutually brings to reach and adjust into table phase sequence, and voltage when influencing user power utilization and exchanging wiring, that current line easily obscures safety is poor
Deficiency therefore do not influence user power utilization when designing a kind of adjustment phase sequence and the electrical connection of voltage, electric current be not easy to obscure safety
Preferable phase sequence combined connection box easy to adjust and phase sequence method of adjustment, become urgent problem to be solved.
Summary of the invention
The purpose of the invention is to overcome current electric energy metering combined wiring box to exist when anti-phase occurs in joint wiring
When sequence mistake, needing to have a power failure mutually to bring the wiring of any two phase at electric energy meter tail to reach is adjusted into table phase sequence, influences user
Electric current, pressure-wire easily obscure the poor deficiency of safety when electricity consumption and exchange wiring, do not influence to use when providing a kind of adjustment phase sequence
Family electricity consumption and the electrical connection of voltage, electric current are not easy to obscure the preferable phase sequence of safety combined connection box and phase sequence tune easy to adjust
Adjusting method.
The specific technical solution of the present invention is:
A kind of combined connection box that phase sequence is easy to adjust, comprising: junction box body, in junction box body and set there are three electricity
The terminal plate of current voltage junction block and zero curve junction block;First voltage and current junction block and third voltage and current connect
Line block respectively includes connecing electrical component and changeover module;Connecing electrical component includes: voltage power connecting column, and middle electric current power connecting column, left electric current connects
Electric column and right electric current power connecting column;Changeover module includes: that column is changed in voltage left cut, and column, left current switching column group and the right side are changed in voltage right cut
Current switching column group;Left current switching column group and right current switching column group respectively include that column is changed in electric current left cut and electric current right cut is changed
Column;Middle electric current power connecting column is electrically connected with right electric current power connecting column or is electrically connected with left electric current power connecting column;Phase sequence joint easy to adjust
Terminal box further include: the phase sequence switching being electrically connected respectively with first voltage and current junction block and third voltage and current junction block
Component.Phase sequence combined connection box easy to adjust is in use, the described mutual inductor electricity for connecing electrical component and secondary circuit
Connection, changeover module connect with electrical energy meter electricity, are electrically connected by middle electric current power connecting column and right electric current power connecting column or left electric current power connecting column
The switching connect can be carried out performance loop and maintenance loop switch;Phase sequence combined connection box easy to adjust passes through switching voltage
Being electrically connected or changing being electrically connected of column with voltage right cut, switch left electric current power connecting column and left electric current for column is changed in power connecting column and voltage left cut
The electrical connection of column is changed in the electric current left cut of switching column group or the electrical connection of column, the right electric current power connecting column of switching and right electric current are changed in electric current right cut
The electrical connection of column is changed in the electric current left cut of switching column group or the electrical connection of column is changed in electric current right cut, and is passed through respectively at first voltage and current
The phase sequence changeover module switching of junction block and the electrical connection of third voltage and current junction block, does not influence user power utilization when adjusting phase sequence
And the electrical connection of voltage, electric current be not easy to obscure safety it is preferable.
Preferably, the phase sequence changeover module includes: six connecting lines being embedded in terminal plate, first voltage
The voltage phase modulation component and electric current phase modulation component that electric current junction block and third voltage and current junction block are respectively equipped with;First company
The voltage of column and third voltage and current junction block is changed at wiring both ends with the voltage left cut of first voltage and current junction block respectively
Column electrical connection is changed in right cut;Column and third are changed in voltage right cut of second connecting line both ends respectively with first voltage and current junction block
Column electrical connection is changed in the voltage left cut of a voltage and current junction block;Third connecting line both ends respectively with first voltage and current wiring
The electric current of the left current switching column group of column and third voltage and current junction block is changed in the electric current left cut of the left current switching column group of block
Column electrical connection is changed in right cut;The 4th connecting line both ends electricity with the left current switching column group of first voltage and current junction block respectively
Column electrical connection is changed in the electric current left cut for the left current switching column group that column and third voltage and current junction block are changed in stream right cut;5th company
Column and third voltage are changed in electric current left cut of the wiring both ends respectively with the right current switching column group of first voltage and current junction block
Column electrical connection is changed in the electric current right cut of the right current switching column group of electric current junction block;6th connecting line both ends respectively with first electricity
The right current switching of column and third voltage and current junction block is changed in the electric current right cut of the right current switching column group of current voltage junction block
Column electrical connection is changed in the electric current left cut of column group.Connecting line, which is embedded in terminal plate, keeps wiring neat, easy-to-connect and reliable.
Preferably, the voltage phase modulation component includes: that two voltages connect battery plate, four fastening screws;Voltage connects electricity
Plate is equipped with longitudinal long hole and connects the card slot of battery plate lower end perforation on the downside of longitudinal long hole and with voltage;The width of longitudinal long hole and
The width of card slot is respectively greater than the diameter of fastening screw screw rod and is less than the diameter of fastening screw tail portion;Column and electricity are changed in voltage left cut
Pressure right cut changes column and is respectively provided with screw hole on a voltage, voltage power connecting column set there are two with the one-to-one voltage of screw hole in phase voltage
Lower screw hole;The screw rod of two fastening screws corresponds longitudinal long hole that battery plate is connect across two voltages, and two fastening screws
Screw rod on two voltages screw hole one-to-one correspondence be threadedly coupled;First voltage connects the card slot and the one of voltage power connecting column of battery plate
Screw hole is opposite under a voltage, and second voltage connects the lower end of battery plate and voltage power connecting column is detached from;The screw rod of another two fastening screw
It is threadedly coupled with screw hole one-to-one correspondence under two voltages.Voltage connect battery plate be equipped with longitudinal long hole and be located on the downside of longitudinal long hole and with
Voltage connects the card slot of battery plate lower end perforation, connects battery plate by voltage and is located at position change upper or positioned at bottom, realizes voltage
The handover operation of on-off is convenient and efficient.
Preferably, the electric current phase modulation component includes: that four electric currents being arranged successively connect battery plate, eight fixed spiral shells
Nail;Electric current connects the card slot that battery plate is equipped with longitudinal long hole and connects the perforation of battery plate lower end on the downside of longitudinal long hole and with electric current;It is longitudinal
The width of long hole and the width of card slot are respectively greater than the diameter of fixing screws screw rod and are less than the diameter of fixing screws tail portion;Two
Column is changed in the electric current left cut of power connecting column on electric current and electric current right cut changes column and is respectively provided with screw hole on an electric current, left electric current power connecting column and the right side
Electric current power connecting column is respectively provided with screw hole under two electric currents;The screw rod of four fixing screws respectively passes through the longitudinal direction length that an electric current connects battery plate
Hole and on electric current screw hole one-to-one correspondence be threadedly coupled;First electric current connects the lower end of battery plate and left electric current power connecting column is detached from, the
Two electric currents connect under the card slot of battery plate and an electric current of left electric current power connecting column that screw hole is opposite, and third electric current connects the card slot of battery plate
Opposite with screw hole under an electric current of right electric current power connecting column, the 4th electric current connects the lower end of battery plate and right electric current power connecting column is detached from;
The screw rod of other four fastening screw is threadedly coupled with screw hole one-to-one correspondence under four electric currents.Electric current connect battery plate be equipped with longitudinal long hole and
The card slot that the perforation of battery plate lower end is connect on the downside of longitudinal long hole and with electric current connects battery plate by electric current and is located at upper or is located at bottom
Position change, realize that the handover operation of current switching is convenient and efficient.
Preferably, the middle electric current power connecting column is electrically connected by connection sheet with right electric current power connecting column or is connect with left electric current
Electric column is electrically connected by connection sheet.It is reliable to connect easy switching.
A kind of phase sequence method of adjustment for the combined connection box that phase sequence is easy to adjust, easy to adjust the combining of the phase sequence connect
Wire box includes: junction box body, in junction box body and sets terminal plate there are three voltage and current junction block and zero curve junction block;
First voltage and current junction block and third voltage and current junction block respectively includes connecing electrical component and changeover module;It connects
Electrical component includes: voltage power connecting column, middle electric current power connecting column, left electric current power connecting column and right electric current power connecting column;Changeover module includes: electricity
Column is changed in pressure left cut, and column, left current switching column group and right current switching column group are changed in voltage right cut;Left current switching column group and right electric current
Switching column group respectively includes that column is changed in electric current left cut and column is changed in electric current right cut;Middle electric current power connecting column be electrically connected with right electric current power connecting column or
It is electrically connected with left electric current power connecting column;Phase sequence combined connection box easy to adjust further include: respectively with first voltage and current wiring
The phase sequence changeover module of block and the electrical connection of third voltage and current junction block;Phase sequence changeover module includes: six and is embedded in wiring
The voltage phase modulation component that connecting line in plate, first voltage and current junction block and third voltage and current junction block are respectively equipped with
With electric current phase modulation component;Column and third are changed in voltage left cut of first connecting line both ends respectively with first voltage and current junction block
Column electrical connection is changed in the voltage right cut of a voltage and current junction block;Second connecting line both ends respectively with first voltage and current wiring
Column is changed in the voltage right cut of block and column electrical connection is changed in the voltage left cut of third voltage and current junction block;Third connecting line both ends point
Column and third voltage and current junction block are changed in electric current left cut not with the left current switching column group of first voltage and current junction block
Left current switching column group electric current right cut change column electrical connection;4th connecting line both ends respectively with first voltage and current wiring
The electric current of the left current switching column group of column and third voltage and current junction block is changed in the electric current right cut of the left current switching column group of block
Column electrical connection is changed in left cut;The 5th connecting line both ends electricity with the right current switching column group of first voltage and current junction block respectively
Column electrical connection is changed in the electric current right cut for the right current switching column group that column and third voltage and current junction block are changed in stream left cut;6th company
Column and third voltage are changed in electric current right cut of the wiring both ends respectively with the right current switching column group of first voltage and current junction block
Column electrical connection is changed in the electric current left cut of the right current switching column group of electric current junction block;Voltage phase modulation component includes: that two voltages connect electricity
Plate, four fastening screws;Voltage connects battery plate and is equipped with longitudinal long hole and on the downside of longitudinal long hole and connects battery plate lower end with voltage and pass through
Logical card slot;The width of longitudinal long hole and the width of card slot are respectively greater than the diameter of fastening screw screw rod and are less than fastening screw tail
The diameter in portion;Column is changed in voltage left cut and voltage right cut changes column and is respectively provided with screw hole on a voltage, voltage power connecting column set there are two with
Screw hole under the one-to-one voltage of screw hole in phase voltage;The screw rod of two fastening screws, which is corresponded, connects battery plate across two voltages
Longitudinal long hole, and the screw rod of two fastening screws on two voltages screw hole one-to-one correspondence be threadedly coupled;First voltage connects
The card slot of battery plate is opposite with screw hole under a voltage of voltage power connecting column, and second voltage connects lower end and the voltage power connecting column of battery plate
It is detached from;The screw rod of another two fastening screw is threadedly coupled with screw hole one-to-one correspondence under two voltages;Electric current phase modulation component includes: four
A electric current being arranged successively connects battery plate, eight fixing screws;Electric current connects battery plate and is equipped with longitudinal long hole and is located on the downside of longitudinal long hole
And the card slot of battery plate lower end perforation is connect with electric current;The width of longitudinal long hole and the width of card slot are respectively greater than fixing screws screw rod
Diameter and the diameter for being less than fixing screws tail portion;Column is changed in the electric current left cut of power connecting column on two electric currents and electric current right cut is changed column and respectively set
There is screw hole on an electric current, left electric current power connecting column and right electric current power connecting column are respectively provided with screw hole under two electric currents;Four fixing screws
Screw rod respectively pass through an electric current connect battery plate longitudinal long hole and on electric current screw hole one-to-one correspondence be threadedly coupled;First electric current
The lower end and left electric current power connecting column for connecing battery plate are detached from, and second electric current connects the card slot of battery plate and an electric current of left electric current power connecting column
Lower screw hole is opposite, and it is opposite that third electric current connects screw hole under the card slot of battery plate and an electric current of right electric current power connecting column, the 4th electricity
Stream connects the lower end of battery plate and right electric current power connecting column is detached from;Screw hole corresponds under the screw rod of other four fastening screw and four electric currents
It is threadedly coupled.Electric current connects the card that battery plate is equipped with longitudinal long hole and connects the perforation of battery plate lower end on the downside of longitudinal long hole and with electric current
Slot connects battery plate by electric current and is located at position change upper or positioned at bottom, realizes that the handover operation of current switching is convenient and efficient;
Middle electric current power connecting column is electrically connected by connection sheet with right electric current power connecting column or is electrically connected with left electric current power connecting column by connection sheet.Even
It is reliable to connect easy switching;The electrical component that connects is electrically connected with the mutual inductor of secondary circuit, and changeover module is connect with electrical energy meter electricity,
The switching being electrically connected by middle electric current power connecting column with right electric current power connecting column or left electric current power connecting column, can be carried out performance loop and maintenance
Loop switch;Step 1, original state: first voltage of voltage phase modulation component connects battery plate positioned at the next and left with voltage respectively
Switch column and the electrical connection of voltage power connecting column;Second voltage of voltage phase modulation component, which connects battery plate and is located at upper and voltage, connects battery plate
Lower end and voltage power connecting column are detached from;First electric current of electric current phase modulation component connect battery plate be located at it is upper, first electric current connects battery plate
Lower end and left electric current power connecting column be detached from, second electric current connect battery plate be located at bottom, second electric current connect battery plate respectively with left electricity
Column and the electrical connection of left electric current power connecting column are changed in the electric current right cut of stream switching column group, and third electric current connects battery plate and is located at bottom, third
Electric current connects that battery plate changes column with the electric current left cut of right current switching column group respectively and right electric current power connecting column is electrically connected, and the 4th electric current connects
Battery plate be located at it is upper, the 4th electric current connect battery plate lower end and right electric current power connecting column be detached from;Step 2, when joint wiring appearance is inverse
Carry out phase sequence adjustment when phase sequence mistake: second voltage of voltage phase modulation component connect battery plate be located at it is the next and respectively with voltage right cut
Change column and the electrical connection of voltage power connecting column;First voltage of voltage phase modulation component, which connects battery plate and is located at upper and voltage, to be connect under battery plate
End is detached from voltage power connecting column;First electric current of electric current phase modulation component connects battery plate and is located at bottom, and first electric current connects battery plate point
Column is not changed with the electric current left cut of left current switching column group and left electric current power connecting column is electrically connected, and second electric current connects battery plate positioned at upper
Position, second electric current connects the lower end of battery plate and left electric current power connecting column is detached from, and third electric current connects battery plate and is located at upper, third electricity
Stream connects the lower end of battery plate and right electric current power connecting column is detached from, and the 4th electric current connects battery plate and be located at bottom, and the 4th electric current connects battery plate point
Column is not changed with the electric current right cut of right current switching column group and right electric current power connecting column is electrically connected and completes phase sequence adjustment.Phase sequence is easy to adjust
The phase sequence method of adjustment of combined connection box do not influence when being able to satisfy adjustment phase sequence user power utilization and voltage, electric current electrical connection not
Easily obscure safety preferably to need.
Compared with prior art, the beneficial effects of the present invention are: phase sequence combined connection box easy to adjust passes through switching
Being electrically connected or changing being electrically connected of column with voltage right cut, switch left electric current power connecting column and left for column is changed in voltage power connecting column and voltage left cut
The electrical connection of column is changed in the electric current left cut of current switching column group or the electrical connection of column, the right electric current power connecting column of switching and the right side are changed in electric current right cut
The electrical connection of column is changed in the electric current left cut of current switching column group or the electrical connection of column is changed in electric current right cut, and is passed through respectively at first voltage
The phase sequence changeover module switching of electric current junction block and the electrical connection of third voltage and current junction block, does not influence user when adjusting phase sequence
Electricity consumption and the electrical connection of voltage, electric current are not easy to obscure safety preferable.Connecting line, which is embedded in terminal plate, keeps wiring neat, wiring
It is convenient and reliable.Voltage connects the card that battery plate is equipped with longitudinal long hole and connects the perforation of battery plate lower end on the downside of longitudinal long hole and with voltage
Slot connects battery plate by voltage and is located at position change upper or positioned at bottom, realizes that the handover operation of voltage on-off is convenient and efficient.
Electric current connects the card slot that battery plate is equipped with longitudinal long hole and connects the perforation of battery plate lower end on the downside of longitudinal long hole and with electric current, passes through electric current
It connects battery plate and is located at position change upper or positioned at bottom, realize that the handover operation of current switching is convenient and efficient.Middle electric current connects electricity
Column is electrically connected by connection sheet with right electric current power connecting column or is electrically connected with left electric current power connecting column by connection sheet, and easy switching is connected
Reliably.The phase sequence method of adjustment of phase sequence combined connection box easy to adjust does not influence user power utilization and electricity when being able to satisfy adjustment phase sequence
The electrical connection of pressure, electric current, which is not easy to obscure safety, preferably to be needed.
Detailed description of the invention
Fig. 1 is a kind of original state structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of state after the adjustment of Fig. 1 phase sequence.
In figure: junction box body 1, voltage and current junction block 2, zero curve junction block 3, terminal plate 4, voltage power connecting column 5, middle electric current
Power connecting column 6, left electric current power connecting column 7, right electric current power connecting column 8, column 9 is changed in voltage left cut, column 10 is changed in voltage right cut, left current switching column
Group 11, right current switching column group 12, column 13 is changed in electric current left cut, column 14 is changed in electric current right cut, connecting line 15, voltage connect battery plate 16, tight
Gu screw 17, longitudinal long hole 18, card slot 19, electric current connect battery plate 20, fixing screws 21, connection sheet 22.
Specific embodiment
The present invention is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1, attached drawing 2: a kind of combined connection box that phase sequence is easy to adjust, comprising: junction box body 1, set on connecing
In wire box body 1 and set terminal plate 4 there are three voltage and current junction block 2 and zero curve junction block 3;First voltage and current
Junction block 2 and third voltage and current junction block 2 respectively include connecing electrical component and changeover module;Connecing electrical component includes: that voltage connects
Electric column 5, middle electric current power connecting column 6, left electric current power connecting column 7 and right electric current power connecting column 8;Changeover module includes: that column 9 is changed in voltage left cut,
Column 10, left current switching column group 11 and right current switching column group 12 are changed in voltage right cut;Left current switching column group 11 and right electric current are cut
It changes column group 12 and respectively includes that column 13 is changed in electric current left cut and column 14 is changed in electric current right cut;Middle electric current power connecting column 6 and right 8 electricity of electric current power connecting column
Connection is electrically connected with left electric current power connecting column 7;Phase sequence combined connection box easy to adjust further include: respectively with first voltage electricity
Flow the phase sequence changeover module that junction block 2 and third voltage and current junction block 2 are electrically connected.Voltage power connecting column 5, middle electric current power connecting column
6, left electric current power connecting column 7, right electric current power connecting column 8, column 9 is changed in voltage left cut, column 10 is changed in voltage right cut, column 13 and electricity are changed in electric current left cut
It is copper material that the material of column 14 is changed in stream right cut.
The phase sequence changeover module includes: six connecting lines being embedded in terminal plate 4 15, and first voltage and current connects
The voltage phase modulation component and electric current phase modulation component that line block 2 and third voltage and current junction block 2 are respectively equipped with;First connecting line
The voltage of column 9 and third voltage and current junction block 2 is changed at 15 both ends with the voltage left cut of first voltage and current junction block 2 respectively
The welding of column 10 is changed in right cut;Column 10 is changed in voltage right cut of second 15 both ends of connecting line respectively with first voltage and current junction block 2
The welding of column 9 is changed in voltage left cut with third voltage and current junction block 2;15 both ends of third connecting line respectively with first voltage
The left electric current of column 13 and third voltage and current junction block 2 is changed in the electric current left cut of the left current switching column group 11 of electric current junction block 2
The welding of column 14 is changed in the electric current right cut of switching column group 11;4th 15 both ends of connecting line respectively with first voltage and current junction block 2
The electric current right cut of left current switching column group 11 change the left current switching column group 11 of column 14 and third voltage and current junction block 2
The welding of column 13 is changed in electric current left cut;5th 15 both ends of the connecting line right current switching with first voltage and current junction block 2 respectively
Column is changed in the electric current right cut that the right current switching column group 12 of column 13 and third voltage and current junction block 2 is changed in the electric current left cut of column group 12
14 welding;6th 15 both ends of the connecting line electric current with the right current switching column group 12 of first voltage and current junction block 2 respectively
The welding of column 13 is changed in the electric current left cut that the right current switching column group 12 of column 14 and third voltage and current junction block 2 is changed in right cut.
The voltage phase modulation component includes: that two voltages connect battery plate 16, four fastening screws 17;Voltage connects battery plate 16 and sets
There is longitudinal long hole 18 and connects the card slot 19 of 16 lower end of battery plate perforation positioned at longitudinal 18 downside of long hole and with voltage;Longitudinal long hole 18
The width of width and card slot 19 is respectively greater than the diameter of 17 screw rod of fastening screw and is less than the diameter of 17 tail portion of fastening screw;Voltage
Column 9 is changed in left cut and voltage right cut changes column 10 and is respectively provided with screw hole (being not drawn into attached drawing) on a voltage, and voltage power connecting column 5 is equipped with two
Screw hole (being not drawn into attached drawing) under the one-to-one voltage of screw hole in a and phase voltage;The screw rod one of two fastening screws 17 is a pair of
Two voltages should be passed through and connect longitudinal long hole 18 of battery plate 16, and screw hole is one by one on the screw rod and two voltages of two fastening screws 17
It is corresponding to be threadedly coupled;It is opposite that first voltage connects screw hole under the card slot 19 of battery plate 16 and a voltage of voltage power connecting column 5, and second
A voltage connects the lower end of battery plate 16 and voltage power connecting column 5 is detached from;Screw hole under the screw rod of another two fastening screw 17 and two voltages
It corresponds and is threadedly coupled.The shape that voltage connects battery plate 16 is rectangle.
The electric current phase modulation component includes: that four electric currents being arranged successively connect battery plate 20, eight fixing screws 21;Electric current
Connect the card slot 19 that battery plate 20 is equipped with longitudinal long hole 18 and connects the perforation of 20 lower end of battery plate positioned at longitudinal 18 downside of long hole and with electric current;It is vertical
The width of width and card slot 19 to long hole 18 is respectively greater than the diameter of 21 screw rod of fixing screws and is less than 21 tail portion of fixing screws
Diameter;Column 13 is changed in the electric current left cut of power connecting column on two electric currents and electric current right cut changes column 14 and is respectively provided with screw hole on an electric current
(being not drawn into attached drawing), left electric current power connecting column 7 and right electric current power connecting column 8 are respectively provided with screw hole under two electric currents and (do not draw in attached drawing
Out);The screw rod of four fixing screws 21 respectively pass through an electric current connect longitudinal long hole 18 of battery plate 20 and with screw hole on electric current one by one
It is corresponding to be threadedly coupled;First electric current connects the lower end of battery plate 20 and left electric current power connecting column 7 is detached from, and second electric current connects battery plate 20
Card slot 19 is opposite with screw hole under an electric current of left electric current power connecting column 7, and third electric current connects the card slot 19 and right electric current of battery plate 20
Screw hole is opposite under one electric current of power connecting column 8, and the 4th electric current connects the lower end of battery plate 20 and right electric current power connecting column 8 is detached from;Another four
The screw rod of a fastening screw 17 is threadedly coupled with screw hole one-to-one correspondence under four electric currents.The shape that electric current connects battery plate 20 is rectangle.
The middle electric current power connecting column 6 and right electric current power connecting column 8 be electrically connected by connection sheet 22 or with left electric current power connecting column 7
It is electrically connected by connection sheet 22.
A kind of phase sequence method of adjustment for the combined connection box that phase sequence is easy to adjust, easy to adjust the combining of the phase sequence connect
Wire box includes: junction box body 1, in junction box body 1 and sets connecing there are three voltage and current junction block 2 and zero curve junction block 3
Line plate 4;First voltage and current junction block 2 and third voltage and current junction block 2 is respectively included connecing electrical component and be cut
Change component;Connecing electrical component includes: voltage power connecting column 5, middle electric current power connecting column 6, left electric current power connecting column 7 and right electric current power connecting column 8;It cuts
Changing component includes: that column 9 is changed in voltage left cut, and column 10, left current switching column group 11 and right current switching column group 12 are changed in voltage right cut;It is left
Current switching column group 11 and right current switching column group 12 respectively include that column 13 is changed in electric current left cut and column 14 is changed in electric current right cut;Middle electric current
Power connecting column 6 is electrically connected with right electric current power connecting column 8 or is electrically connected with left electric current power connecting column 7;Phase sequence combined connection box easy to adjust
Further include: the phase sequence switch groups being electrically connected respectively with first voltage and current junction block 2 and third voltage and current junction block 2
Part.Column 9, the voltage right side are changed in voltage power connecting column 5, middle electric current power connecting column 6, left electric current power connecting column 7, right electric current power connecting column 8, voltage left cut
Switching column 10, electric current left cut change column 13 and electric current right cut to change the material of column 14 be copper material;Phase sequence changeover module includes: six edges
Connecting line 15 in terminal plate 4, first voltage and current junction block 2 and third voltage and current junction block 2 are respectively equipped with
Voltage phase modulation component and electric current phase modulation component;First 15 both ends of connecting line respectively with first voltage and current junction block 2
Column 9 is changed in voltage left cut and the welding of column 10 is changed in the voltage right cut of third voltage and current junction block 2;Second 15 both ends of connecting line point
The voltage left cut for not changing column 10 and third voltage and current junction block 2 with the voltage right cut of first voltage and current junction block 2 is changed
Column 9 welds;15 both ends of the third connecting line electric current with the left current switching column group 11 of first voltage and current junction block 2 respectively
The welding of column 14 is changed in the electric current right cut that the left current switching column group 11 of column 13 and third voltage and current junction block 2 is changed in left cut;4th
A 15 both ends of connecting line changed respectively with the electric current right cut of the left current switching column group 11 of first voltage and current junction block 2 column 14 and
The welding of column 13 is changed in the electric current left cut of the left current switching column group 11 of third voltage and current junction block 2;5th 15 liang of connecting line
Column 13 and third voltage electricity are changed in end with the electric current left cut of the right current switching column group 12 of first voltage and current junction block 2 respectively
The welding of column 14 is changed in the electric current right cut for flowing the right current switching column group 12 of junction block 2;6th 15 both ends of connecting line are respectively with first
Column 14 and third voltage and current junction block 2 are changed in the electric current right cut of the right current switching column group 12 of a voltage and current junction block 2
The welding of column 13 is changed in the electric current left cut of right current switching column group 12;Voltage phase modulation component includes: that two voltages connect battery plate 16, and four tight
Gu screw 17;Voltage connects battery plate 16 and is equipped with longitudinal long hole 18 and positioned at longitudinal 18 downside of long hole and connects 16 lower end of battery plate with voltage and pass through
Logical card slot 19;The width of longitudinal long hole 18 and the width of card slot 19 are respectively greater than the diameter of 17 screw rod of fastening screw and are less than tight
Gu the diameter of 17 tail portion of screw;Column 9 is changed in voltage left cut and voltage right cut changes column 10 and is respectively provided with screw hole on a voltage, and voltage connects electricity
Column 5 set there are two with screw hole under the one-to-one voltage of screw hole in phase voltage;The screw rod one-to-one correspondence of two fastening screws 17 is worn
Longitudinal long hole 18 that two voltages connect battery plate 16 is crossed, and screw hole corresponds on the screw rod and two voltages of two fastening screws 17
It is threadedly coupled;It is opposite that first voltage connects screw hole under the card slot 19 of battery plate 16 and a voltage of voltage power connecting column 5, second electricity
The lower end and voltage power connecting column 5 for crimping battery plate 16 are detached from;Screw hole is one by one under the screw rod of another two fastening screw 17 and two voltages
It is corresponding to be threadedly coupled.The shape that voltage connects battery plate 16 is rectangle;Electric current phase modulation component includes: that four electric currents being arranged successively connect electricity
Plate 20, eight fixing screws 21;Electric current connects battery plate 20 and is equipped with longitudinal long hole 18 and connects on the downside of longitudinal long hole 18 and with electric current
The card slot 19 of 20 lower end of battery plate perforation;The width of longitudinal long hole 18 and the width of card slot 19 are respectively greater than 21 screw rod of fixing screws
Diameter and the diameter for being less than 21 tail portion of fixing screws;Column 13 is changed in the electric current left cut of power connecting column on two electric currents and column is changed in electric current right cut
14 are respectively provided with screw hole on an electric current, and left electric current power connecting column 7 and right electric current power connecting column 8 are respectively provided with screw hole under two electric currents;Four
The screw rod of fixing screws 21 respectively passes through an electric current and connects longitudinal long hole 18 of battery plate 20 and correspond screw thread with screw hole on electric current
Connection;First electric current connects the lower end of battery plate 20 and left electric current power connecting column 7 is detached from, second electric current connect the card slot 19 of battery plate 20 with
Screw hole is opposite under one electric current of left electric current power connecting column 7, and third electric current connects the card slot 19 and right electric current power connecting column 8 of battery plate 20
Screw hole is opposite under one electric current, and the 4th electric current connects the lower end of battery plate 20 and right electric current power connecting column 8 is detached from;Other four fastening screw
17 screw rod is threadedly coupled with screw hole one-to-one correspondence under four electric currents.The shape that electric current connects battery plate 20 is rectangle;Middle electric current connects electricity
Column 6 is electrically connected by connection sheet 22 with right electric current power connecting column 8 or is electrically connected with left electric current power connecting column 7 by connection sheet 22;It is described
The electrical component that connects be electrically connected with the mutual inductor of secondary circuit, changeover module is connect with electrical energy meter electricity, by middle electric current power connecting column 6 with
The switching of right electric current power connecting column 8 or the electrical connection of left electric current power connecting column 7 can be carried out performance loop and maintenance loop switch;Step 1,
Original state: first voltage of voltage phase modulation component connects battery plate 16 and is located at the next and changes column 9 and voltage with voltage left cut respectively
Power connecting column 5 is electrically connected;Second voltage of voltage phase modulation component connect battery plate 16 be located at upper and voltage connect the lower end of battery plate 16 with
Voltage power connecting column 5 is detached from;First electric current of electric current phase modulation component connect battery plate 20 be located at it is upper, first electric current connects battery plate 20
Lower end and left electric current power connecting column 7 are detached from, and second electric current connects battery plate 20 and be located at bottom, second electric current connect battery plate 20 respectively with a left side
Column 14 and the electrical connection of left electric current power connecting column 7 are changed in the electric current right cut of current switching column group 11, and third electric current connects under battery plate 20 is located at
Position, third electric current connect battery plate 20 and change 8 electricity of column 13 and right electric current power connecting column with the electric current left cut of right current switching column group 12 respectively
Connection, the 4th electric current connect battery plate 20 be located at it is upper, the 4th electric current connect battery plate 20 lower end and right electric current power connecting column 8 be detached from;
Step 2, phase sequence adjustment is carried out when negative phase sequence mistake occurs in joint wiring: second voltage of voltage phase modulation component connects battery plate
16 are located at the next and change column 10 with voltage right cut respectively and voltage power connecting column 5 is electrically connected;First voltage of voltage phase modulation component
It connects battery plate 16 and is located at lower end and the disengaging of voltage power connecting column 5 that upper and voltage connects battery plate 16;First electricity of electric current phase modulation component
Stream connect battery plate 20 be located at bottom, first electric current connect battery plate 20 changed respectively with the electric current left cut of left current switching column group 11 column 13 and
Left electric current power connecting column 7 is electrically connected, second electric current connect battery plate 20 be located at it is upper, second electric current connect battery plate 20 lower end and left electricity
It flows power connecting column 7 to be detached from, third electric current connects battery plate 20 positioned at upper, and third electric current connects the lower end of battery plate 20 and right electric current connects electricity
Column 8 be detached from, the 4th electric current connect battery plate 20 be located at bottom, the 4th electric current connect battery plate 20 respectively with right current switching column group 12
Column 14 is changed in electric current right cut and phase sequence adjustment is completed in the electrical connection of right electric current power connecting column 8.
The beneficial effects of the present invention are: phase sequence combined connection box easy to adjust passes through switching voltage power connecting column and voltage
Left cut changes the electrical connection of column or changes the electricity for being electrically connected, switching left electric current power connecting column Yu left current switching column group of column with voltage right cut
The electrical connection of column is changed in stream left cut or electric current right cut changes the electrical connection of column, switches the electricity of right electric current power connecting column and right current switching column group
The electrical connection of column is changed in stream left cut or the electrical connection of column is changed in electric current right cut, and is passed through respectively at first voltage and current junction block and third
The phase sequence changeover module switching of a voltage and current junction block electrical connection, does not influence user power utilization and voltage, electric current when adjusting phase sequence
Electrical connection be not easy to obscure safety it is preferable.Connecting line, which is embedded in terminal plate, keeps wiring neat, easy-to-connect and reliable.Voltage
The card slot that battery plate is equipped with longitudinal long hole and connects the perforation of battery plate lower end on the downside of longitudinal long hole and with voltage is connect, electricity is connect by voltage
Plate is located at position change upper or positioned at bottom, realizes that the handover operation of voltage on-off is convenient and efficient.Electric current connects battery plate and is equipped with
Longitudinal long hole and the card slot that the perforation of battery plate lower end is connect on the downside of longitudinal long hole and with electric current connect battery plate positioned at upper by electric current
Or positioned at the next position change, realize that the handover operation of current switching is convenient and efficient.Middle electric current power connecting column and right electric current connect electricity
Column is electrically connected by connection sheet or is electrically connected with left electric current power connecting column by connection sheet, and connection easy switching is reliable.Phase sequence adjustment
The phase sequence method of adjustment of convenient combined connection box does not influence user power utilization and voltage when being able to satisfy adjustment phase sequence, electric current is electrically connected
It connects and is not easy to obscure safety and preferably needs.
The present invention can be changed apparent to one skilled in the art for various ways, and such change is not considered as
It departs from the scope of the present invention.The technical staff in the field is obviously modified as all, is included within this right
Within the scope of it is required that.
Claims (6)
1. a kind of combined connection box that phase sequence is easy to adjust, comprising: junction box body in junction box body and is set there are three voltage
The terminal plate of electric current junction block and zero curve junction block;It is characterized in that first voltage and current junction block and third electricity
Current voltage junction block respectively includes connecing electrical component and changeover module;Connecing electrical component includes: voltage power connecting column, middle electric current power connecting column,
Left electric current power connecting column and right electric current power connecting column;Changeover module includes: that column is changed in voltage left cut, and column, left current switching are changed in voltage right cut
Column group and right current switching column group;Left current switching column group and right current switching column group respectively include electric current left cut and change column and electric current
Column is changed in right cut;Middle electric current power connecting column is electrically connected with right electric current power connecting column or is electrically connected with left electric current power connecting column;Phase sequence is easy to adjust
Combined connection box further include: the phase being electrically connected respectively with first voltage and current junction block and third voltage and current junction block
Sequence changeover module.
2. phase sequence according to claim 1 combined connection box easy to adjust, characterized in that the phase sequence changeover module
It include: six connecting lines being embedded in terminal plate, first voltage and current junction block and third voltage and current junction block point
The voltage phase modulation component and electric current phase modulation component not being equipped with;First connecting line both ends respectively with first voltage and current junction block
Voltage left cut change the voltage right cut of column and third voltage and current junction block and change column electrical connection;Second connecting line both ends difference
The voltage left cut that column and third voltage and current junction block are changed in voltage right cut with first voltage and current junction block changes column and is electrically connected
It connects;Third connecting line both ends changed respectively with the electric current left cut of the left current switching column group of first voltage and current junction block column and
Column electrical connection is changed in the electric current right cut of the left current switching column group of third voltage and current junction block;4th connecting line both ends difference
Column and third voltage and current junction block are changed in electric current right cut with the left current switching column group of first voltage and current junction block
Column electrical connection is changed in the electric current left cut of left current switching column group;5th connecting line both ends respectively with first voltage and current junction block
Right current switching column group the electric current left cut right current switching column group of changing column and third voltage and current junction block electric current it is right
Switch column electrical connection;The 6th connecting line both ends electric current with the right current switching column group of first voltage and current junction block respectively
Column electrical connection is changed in the electric current left cut that the right current switching column group of column and third voltage and current junction block is changed in right cut.
3. phase sequence according to claim 2 combined connection box easy to adjust, characterized in that the voltage phase modulation component
It include: that two voltages connect battery plate, four fastening screws;Voltage connect battery plate be equipped with longitudinal long hole and be located on the downside of longitudinal long hole and with
Voltage connects the card slot of battery plate lower end perforation;The width of longitudinal long hole and the width of card slot are respectively greater than the diameter of fastening screw screw rod
And it is less than the diameter of fastening screw tail portion;Column is changed in voltage left cut and voltage right cut changes column and is respectively provided with screw hole on a voltage, voltage
Power connecting column set there are two with screw hole under the one-to-one voltage of screw hole in phase voltage;The screw rod one-to-one correspondence of two fastening screws is worn
Longitudinal long hole that two voltages connect battery plate is crossed, and screw hole corresponds screw thread company on the screw rod and two voltages of two fastening screws
It connects;First voltage connects under the card slot of battery plate and a voltage of voltage power connecting column that screw hole is opposite, and second voltage connects battery plate
Lower end and voltage power connecting column are detached from;The screw rod of another two fastening screw is threadedly coupled with screw hole one-to-one correspondence under two voltages.
4. phase sequence according to claim 2 combined connection box easy to adjust, characterized in that the electric current phase modulation component
It include: that four electric currents being arranged successively connect battery plate, eight fixing screws;Electric current connects battery plate and is equipped with longitudinal long hole and is located at longitudinal long
The card slot of battery plate lower end perforation is connect on the downside of hole and with electric current;The width of longitudinal long hole and the width of card slot are respectively greater than fixing screws
The diameter of screw rod and the diameter for being less than fixing screws tail portion;Column is changed in the electric current left cut of power connecting column on two electric currents and electric current right cut is changed
Column is respectively provided with screw hole on an electric current, and left electric current power connecting column and right electric current power connecting column are respectively provided with screw hole under two electric currents;Four solid
The screw rod for determining screw respectively passes through an electric current and connects longitudinal long hole of battery plate and be threadedly coupled with screw hole one-to-one correspondence on electric current;First
A electric current connects the lower end of battery plate and left electric current power connecting column is detached from, and second electric current connects the card slot and the one of left electric current power connecting column of battery plate
Screw hole is opposite under a electric current, and it is opposite that third electric current connects screw hole under the card slot of battery plate and an electric current of right electric current power connecting column, and
Four electric currents connect the lower end of battery plate and right electric current power connecting column is detached from;Screw hole one under the screw rod of other four fastening screw and four electric currents
One corresponding threaded connection.
5. phase sequence according to claim 1 or 2 or 3 or 4 combined connection box easy to adjust, characterized in that in described
Electric current power connecting column is electrically connected by connection sheet with right electric current power connecting column or is electrically connected with left electric current power connecting column by connection sheet.
6. a kind of phase sequence method of adjustment for the combined connection box that phase sequence is easy to adjust, phase sequence joint wiring easy to adjust
Box has the limiting structure of claim 1 to any phase sequence of claim 5 combined connection box easy to adjust;Described
It connects electrical component to be electrically connected with the mutual inductor of secondary circuit, changeover module is connect with electrical energy meter electricity, passes through middle electric current power connecting column and the right side
The switching of electric current power connecting column or the electrical connection of left electric current power connecting column can be carried out performance loop and maintenance loop switch;It is characterized in that step
Rapid one, original state: first voltage of voltage phase modulation component connects battery plate and is located at the next and changes column and electricity with voltage left cut respectively
Press power connecting column electrical connection;Second voltage of voltage phase modulation component connects battery plate and is located at lower end and voltage that upper and voltage connects battery plate
Power connecting column is detached from;First electric current of electric current phase modulation component connects battery plate and is located at upper, and first electric current connects the lower end of battery plate and left
Electric current power connecting column be detached from, second electric current connect battery plate be located at bottom, second electric current connect battery plate respectively with left current switching column group
Electric current right cut change column and the electrical connection of left electric current power connecting column, third electric current connects battery plate and is located at the next, and third electric current connects battery plate
Column is changed with the electric current left cut of right current switching column group respectively and right electric current power connecting column is electrically connected, and the 4th electric current connects battery plate positioned at upper
Position, the 4th electric current connects the lower end of battery plate and right electric current power connecting column is detached from;Step 2, when negative phase sequence mistake occurs in joint wiring
Carry out phase sequence adjustment: second voltage of voltage phase modulation component connects battery plate and is located at the next and changes column and voltage with voltage right cut respectively
Power connecting column electrical connection;First voltage of voltage phase modulation component connects battery plate and is located at that upper and voltage connects the lower end of battery plate and voltage connects
Electric column is detached from;First electric current of electric current phase modulation component connect battery plate be located at bottom, first electric current connect battery plate respectively with left electric current
Column and the electrical connection of left electric current power connecting column are changed in the electric current left cut of switching column group, and second electric current connects battery plate and be located at upper, second electricity
Stream connects the lower end of battery plate and left electric current power connecting column is detached from, and third electric current connects battery plate positioned at upper, and third electric current connects battery plate
Lower end and right electric current power connecting column are detached from, and the 4th electric current connects battery plate and be located at bottom, the 4th electric current connect battery plate respectively with right electric current
Column is changed in the electric current right cut of switching column group and phase sequence adjustment is completed in the electrical connection of right electric current power connecting column.
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CN109387805A (en) * | 2018-10-24 | 2019-02-26 | 国网山东省电力公司海阳市供电公司 | A kind of terminal box of three-level metering device series wiring band scene series connection verifying function |
CN112290491B (en) * | 2020-10-10 | 2022-01-18 | 广东电网有限责任公司清远供电局 | Electric energy measurement is joint terminal box and is prevented mistake and touch insulator arrangement |
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JP5333849B2 (en) * | 2009-07-10 | 2013-11-06 | 住友電装株式会社 | Electrical junction box |
CN201966555U (en) * | 2011-03-22 | 2011-09-07 | 广东俊朗松田电器有限公司 | Combined cover type distribution box |
CN203607787U (en) * | 2013-11-20 | 2014-05-21 | 广东美的制冷设备有限公司 | Terminal box |
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