CN107345976A - A kind of metering secondary terminal box - Google Patents
A kind of metering secondary terminal box Download PDFInfo
- Publication number
- CN107345976A CN107345976A CN201710802348.6A CN201710802348A CN107345976A CN 107345976 A CN107345976 A CN 107345976A CN 201710802348 A CN201710802348 A CN 201710802348A CN 107345976 A CN107345976 A CN 107345976A
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- CN
- China
- Prior art keywords
- terminals
- terminal
- current
- metering secondary
- secondary terminal
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Classifications
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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)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a kind of metering secondary terminal box, box body including insulation, box body is strip structure, bar shaped direction side is inlaid with the voltage input-terminal of A/B/C phase voltages, two current input terminals of A/B/C phase currents, opposite side is inlaid with two output voltage terminals and four current output terminals, voltage input-terminal is connected to two output voltage terminals by two conductive hooks respectively, two current input terminals are connected to four current output terminals by the connection sheet of conduction and two current output terminals of both sides of two current input terminals with exporting connect, connection sheet is detachably connected on two current input terminals using conducting screw one；Offered convenience using the present invention to staff's metering secondary terminal；Greatly reduce the metering fault brought by false wiring；The electric quantity loss brought by metering fault is reduced, and reduces electric quantity loss caused by when changing electric energy meter or negative control terminal；Operation simplifies, and greatly reduces CT open circuits, the phenomenon of short circuit.
Description
Technical field
The present invention relates to a kind of metering secondary terminal box, belongs to connection box of electric energy meter box technical field.
Background technology
There are the following problems for existing connection box of electric energy meter box：
(1) run into when electric energy meter combines wiring with negative control terminal and change table or all need short circuit current when changing negative control terminal, cause to change
It can not be measured during electric energy meter and negative control terminal, it is necessary to manually compute and remedy electricity, metering produces very big error；
(2) field personnel is cumbersome in metering secondary terminal box wiring, easily produces CT open circuits, the failure of short circuit；
(3) traditional connector cover can not prevent the artificial malicious operation of electric current input and output terminal.
The content of the invention
The technical problem to be solved in the present invention is：A kind of metering secondary terminal box is provided, using an existing mounting hole,
Improvement and installation is directly carried out, convenient for installation and maintenance, repacking is simple, to solve problems of the prior art.
The technical scheme that the present invention takes is：A kind of metering secondary terminal box, includes the box body of insulation, and box body is bar shaped knot
Structure, bar shaped direction side are inlaid with two current input terminals of the voltage input-terminal of A/B/C phase voltages, A/B/C phase currents, separately
Side is inlaid with two output voltage terminals and four current output terminals, and voltage input-terminal is connected by two conductive hooks respectively
Two output voltage terminals are connected to, two current input terminals are connected to four current output terminals and two electric currents by the connection sheet of conduction
Two current output terminals of both sides of the input terminal with exporting are connected, and connection sheet is removably electrically connected to using conducting screw one
On two current input terminals.
Preferably, above-mentioned hook is connected respectively to voltage input-terminal by two conductive poles and output voltage terminals couple
Hook is located in voltage link groove, and conductive pole both ends are connected by screw voltage input-terminal and output voltage terminals respectively.
Preferably, one end of above-mentioned connection hook connects voltage input-terminal is provided with binding post, and binding post face voltage connects
Wire casing wiring side is provided with wire through-hole.
Preferably, above-mentioned hook is bar shaped chip architecture, and one end is provided with the U-shaped mouth of output voltage terminals, and middle part is set
There is the strip through-hole of connection voltage input-terminal, the other end is provided with the through hole of connection binding post.
Preferably, above-mentioned connection sheet is respectively fixedly connected with two current output terminals of middle part, connection by two conducting screws two
Piece is located in electric current connecting groove.
Preferably, above-mentioned connection sheet is placed in locating slot, and locating slot is arranged on electric current wiring trench bottom, and locating slot is with respect to one
Side is provided with spacing card.
Preferably, above-mentioned conducting screw two uses non-return screw.
Preferably, above-mentioned voltage input-terminal, current input terminal, output voltage terminals and current output terminal use copper
Bar.
Preferably, the above-mentioned bottom of conducting screw one is provided with anticreep sea whelk.
Preferably, above-mentioned a kind of metering secondary terminal box, in addition to transparent lid, lid are connected by two opposite side alignment pins
It is connected on box body, and it is spacing through alignment pin outer end using lock pin.
Beneficial effect：Compared with prior art, effect of the invention is as follows：
（1）Offered convenience using the present invention to staff's metering secondary terminal；Greatly reduce the metering brought by false wiring
Failure；The electric quantity loss brought by metering fault is reduced, and reduces electricity caused by when changing electric energy meter or negative control terminal and damages
Lose；Operation simplifies, and greatly reduces the phenomenon of CT open circuits；
（2）Operating efficiency is improved, reduces metering fault, reduces electric quantity loss, technical support is provided to " drop damage sharp sword " action, promotees
Enter grid company fine-grained management.
Brief description of the drawings
Fig. 1 is the wiring construction schematic diagram of the present invention；
In Fig. 1：
Fig. 2 is the binding post dimensional structure diagram of the present invention；
Fig. 3 is the binding post forward sight structural representation of the present invention；
Fig. 4 is Fig. 3 overlooking the structure diagram；
Fig. 5 is Fig. 3 left view structural representation；
The binding post that Fig. 6 is the present invention is installed to dimensional structure diagram after box body；
The binding post that Fig. 7 is the present invention is installed to overlooking the structure diagram after box body；
The binding post that Fig. 8 is the present invention is installed to backsight structural representation after box body；
The binding post that Fig. 9 is the present invention is installed to forward sight structural representation after box body；
Figure 10 is to install dimensional structure diagram after transparent box cover additional；
Figure 11 is to install backsight structural representation after transparent box cover additional；
Figure 12 is to install forward sight structural representation after transparent box cover additional；
Figure 13 is box body dimensional structure diagram；
Figure 14 is box body overlooking the structure diagram.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described further specific embodiment.
Embodiment：As shown in Fig. 2-Figure 14, a kind of metering secondary terminal box, include the box body 1 of insulation, box body 1 is bar shaped
Structure, the translocation of box body 1 are provided with the through hole of the blind hole for inlaying voltage input-terminal and current input terminal, and opposite side is provided with electricity
The blind hole of lead-out terminal and the blind hole of middle two current output terminals are pressed, the blind hole or through hole of the input side of bar shaped direction one are inlaid with
The voltage input-terminal 2 of A/B/C phase voltages, two current input terminals 3 of A/B/C phase currents, another outlet side blind hole are inlaid with
Two output voltage terminals 4 and four current output terminals 5, voltage input-terminal 2 are connected to two by two conductive hooks 6 respectively
Output voltage terminals 4, two current input terminals 3 are connected to four current output terminals 5 by the connection sheet 7 of conduction and two electric currents are defeated
Two current output terminals 5 for entering both sides of the terminal 3 with exporting are connected, and connection sheet 7 is removably electrically connected using conducting screw 1
Onto two current input terminals 5, include neutral conductor N neutral conductor connection terminal 21, its structure and voltage input-terminal and electricity
Press lead-out terminal and its attachment structure identical.
Preferably, above-mentioned hook 6 is connected respectively to voltage input-terminal 2 and output voltage terminals by two conductive poles 9
4, hook 6 is located in voltage link groove 10, and the both ends of conductive pole 9 are connected by screw voltage input-terminal 2 and voltage respectively
Lead-out terminal 4, dividing plate 20 is provided between two hooks 6 of same phase, and dividing plate plays security isolation operation effect.
Preferably, one end of the above-mentioned connection of hook 6 voltage input-terminal 4 is provided with binding post 11, the face of binding post 11
The wiring side of voltage link groove 10 is provided with wire through-hole, can realize the quick connection of wire, the convenient wiring for carrying out cable.
Preferably, above-mentioned hook 6 is bar shaped chip architecture, and one end is provided with the U-shaped mouth of output voltage terminals 2, and middle part is set
The strip through-hole of connection voltage input-terminal 4 is equipped with, the other end is provided with the through hole of connection binding post 11, can realize power end
The quick assembling and connection of son.
Preferably, above-mentioned connection sheet 7 is respectively fixedly connected with two current output terminals 5 of middle part by two conducting screws 2 12,
Connection sheet 7 is located in electric current connecting groove 13.
Preferably, above-mentioned connection sheet 7 is placed in locating slot 14, and locating slot 14 is arranged on the bottom of electric current connecting groove 13, positioning
The opposite side of groove 14 is provided with spacing card 15, is corresponded at spacing card and limited impression 19 is provided with connection sheet, plays connection
Piece connection is reliable and stable.
Preferably, above-mentioned conducting screw 2 12 uses non-return screw.
Preferably, above-mentioned voltage input-terminal 2, current input terminal 3, output voltage terminals 4 and current output terminal 5 are adopted
Use copper bar.
Preferably, the above-mentioned bottom of conducting screw 1 is provided with anticreep sea whelk 16, can prevent that turning on screw 1 back-outs, and carries
High security.
Preferably, above-mentioned a kind of metering secondary terminal box, in addition to transparent lid 17, lid 17 are positioned by two opposite side
Pin 18 is connected on box body 1, and spacing through the outer end of alignment pin 18 using lock pin, and enclosing cover all protects terminal box, prevents
Only artificial malice is in input or output current loop short circuit.
Operation principle：Conducting screw 2 12 is constantly in locking state, using non-return screw, dispatches from the factory and has tightened, it is ensured that
2 copper bars among electric current（Current output terminal 5）In UNICOM's state；Electric energy meter is with negative control terminal simultaneously condition of work, connecting
The conducting screw 1 at contact pin both ends is in hanging, then both sides current output terminal 5 and intermediate current lead-out terminal 5 not UNICOM；
When changing electric energy meter, short circuit electric energy meter current wiring, conducting screw 1 on the left of connection sheet is screwed clockwise, left current is defeated
Enter a UNICOM on the left of terminal and the current output terminal at middle part；Now negative control terminal normally measures；It is short when changing negative control terminal
Negative control terminal electric current wiring is connect, conducting screw 1 on the right side of connection sheet is screwed clockwise, right current input terminal and middle part
A UNICOM on the right side of current output terminal；Now electric energy meter normally measures；Work finishes, and it is counterclockwise that both sides are turned on into screw 1
Unscrew motionless for extremely to twisting；Voltage is consistent with tradition, couples or disengages by hook mode.
Advantages of the present invention：
（1）Change the joint mode of connection of traditional electric energy meter and negative control terminal；
（2）It is screw rod rotation-fixed manner in flakes to change traditional short circuit；
（3）Change traditional vinyl cover, using transparent cover plate, the artificial malicious operation of electric current input and output terminal can be prevented, can
Prevent from sneaking current at terminal box with effective；
（4）Electric current short circuit screw has anti-drop function.
A kind of terminal box provided by the invention, change traditional electric energy meter and combine the mode of connection with negative control terminal, improvement connects
Line box current terminal is two to enter four and go out, improve the connection of electric energy meter specialized voltages in flakes with negative control terminal Special short in flakes, increase
Terminal box vinyl cover is transparent cover plate, and when changing electric energy meter, the special electric current connection sheet of a short circuit electric energy meter, negative control terminal is normal
Metering, it can reduce the electricity caused by changing electric energy meter by the use of metering the remedying as electricity of negative control terminal and lack.When more
When changing negative control terminal, the special electric current connection sheet of a short circuit negative control terminal, electric energy meter normally measures, without electric quantity compensating, reduce because
Electricity lacks caused by changing negative control terminal.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
- A kind of 1. metering secondary terminal box, it is characterised in that：Box body including insulation（1）, box body（1）For strip structure, bar shaped Direction side is inlaid with the voltage input-terminal of A/B/C phase voltages（2）, A/B/C phase currents two current input terminals（3）, separately Side is inlaid with two output voltage terminals（4）With four current output terminals（5）, voltage input-terminal（2）It is conductive by two respectively Hook（6）It is connected to two output voltage terminals（4）, two current input terminals（3）Pass through the connection sheet of conduction（7）It is connected to Four current output terminals（5）And two current input terminal（3）With two current output terminals of the both sides of output（5）Connection, connection Piece（7）Using conducting screw one（8）Removably it is electrically connected to two current input terminals（5）On.
- A kind of 2. metering secondary terminal box according to claim 1, it is characterised in that：Hook（6）Pass through two conductive poles （9）It is connected respectively to voltage input-terminal（2）And output voltage terminals（4）, hook（6）Positioned at voltage link groove（10）It is interior, Conductive pole（9）Both ends are connected by screw voltage input-terminal respectively（2）And output voltage terminals（4）.
- A kind of 3. metering secondary terminal box according to claim 2, it is characterised in that：Hook（6）Connect control source Terminal（4）One end be provided with binding post（11）, binding post（11）Face voltage link groove（10）Wiring side is provided with wire Through hole.
- A kind of 4. metering secondary terminal box according to claim 1, it is characterised in that：Hook（6）For bar shaped chip architecture, One end is provided with output voltage terminals（2）U-shaped mouth, middle part is provided with connection voltage input-terminal（4）Strip through-hole, it is another End is provided with connection binding post（11）Through hole.
- A kind of 5. metering secondary terminal box according to claim 1, it is characterised in that：Connection sheet（7）Pass through two conducting spiral shells Nail two（12）It is respectively fixedly connected with two current output terminals of middle part（5）, connection sheet（7）Positioned at electric current connecting groove（13）It is interior.
- A kind of 6. metering secondary terminal box according to claim 5, it is characterised in that：Connection sheet（7）It is placed in locating slot （14）It is interior, locating slot（14）It is arranged on electric current connecting groove（13）Bottom, locating slot（14）Opposite side is provided with spacing card （15）.
- A kind of 7. metering secondary terminal box according to claim 5, it is characterised in that：Turn on screw two（12）Using non-return Screw.
- A kind of 8. metering secondary terminal box according to claim 1, it is characterised in that：Voltage input-terminal（2）, electric current it is defeated Enter terminal（3）, output voltage terminals（4）And current output terminal（5）Using copper bar.
- A kind of 9. metering secondary terminal box according to claim 1, it is characterised in that：Turn on screw one（8）Bottom is set There is anticreep sea whelk（16）.
- A kind of 10. metering secondary terminal box according to claim 1, it is characterised in that：Also include transparent lid（17）, Lid（17）Pass through two opposite side alignment pins（18）It is connected to box body（1）On, and alignment pin is passed through using lock pin（18）Outer end is spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802348.6A CN107345976A (en) | 2017-09-07 | 2017-09-07 | A kind of metering secondary terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802348.6A CN107345976A (en) | 2017-09-07 | 2017-09-07 | A kind of metering secondary terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345976A true CN107345976A (en) | 2017-11-14 |
Family
ID=60257420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710802348.6A Pending CN107345976A (en) | 2017-09-07 | 2017-09-07 | A kind of metering secondary terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345976A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
| CN111564799A (en) * | 2020-05-18 | 2020-08-21 | 广东电网有限责任公司 | Electric energy combined junction box |
| CN112433079A (en) * | 2020-11-13 | 2021-03-02 | 贵州电网有限责任公司 | Electric power wiring device |
| CN113125821A (en) * | 2021-04-07 | 2021-07-16 | 国网河北省电力有限公司邯郸供电分公司 | Junction box for metering secondary circuit safety arc extinction |
| CN113608160A (en) * | 2021-08-02 | 2021-11-05 | 中国电力科学研究院有限公司 | Joint junction box for metering gateway electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
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| CN111564799A (en) * | 2020-05-18 | 2020-08-21 | 广东电网有限责任公司 | Electric energy combined junction box |
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| CN113125821A (en) * | 2021-04-07 | 2021-07-16 | 国网河北省电力有限公司邯郸供电分公司 | Junction box for metering secondary circuit safety arc extinction |
| CN113608160A (en) * | 2021-08-02 | 2021-11-05 | 中国电力科学研究院有限公司 | Joint junction box for metering gateway electric energy meter |
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