CN112234548A - Improved metering junction box - Google Patents
Improved metering junction box Download PDFInfo
- Publication number
- CN112234548A CN112234548A CN202010941649.9A CN202010941649A CN112234548A CN 112234548 A CN112234548 A CN 112234548A CN 202010941649 A CN202010941649 A CN 202010941649A CN 112234548 A CN112234548 A CN 112234548A
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- China
- Prior art keywords
- junction box
- bottom shell
- hole
- improved metering
- screw
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses an improved metering junction box which comprises a bottom shell and a cover plate arranged above the bottom shell, wherein a plurality of assembly wiring assemblies and tripping assemblies are arranged in the bottom shell. Above-mentioned technical scheme is through increasing load control terminal tripping operation subassembly, and the power that the slip jumper wire connecting piece is connected load control terminal's power and electric energy meter is direct to be broken off, has the wiring convenience, and it is convenient that the wire circuit breaks off, and adjusts swift characteristics to the circuit that adapts to different functions, different line footpaths is arranged and is used, connects conveniently, safe and reliable.
Description
Technical Field
The invention relates to the field of power production, in particular to an improved metering junction box.
Background
Along with the requirements of intelligent management and intelligent control of a power grid system, a load control terminal is often added on the side of a power grid electric energy meter in the existing power grid, and the electric energy meter is monitored and controlled through the load control terminal. However, because the current stability of the load control terminal is not too high, the load control terminal with a fault often needs to be replaced and maintained, and then the power supply of the load control terminal needs to be cut off when the load control terminal is replaced and maintained so as to ensure the safety of the electrical maintenance personnel.
Data shows that the current power supply tripping line controlled by the load control terminal adopts a direct access type, so that the power supply of the load control terminal can be cut off only by cutting off all the power supplies of the area monitored by the load control terminal when the load control terminal is replaced or maintained, and all the power utilization facilities in a zone to be changed can be stopped, so that the residential life and the enterprise production of the zone are greatly influenced; if the tripping line of the load control terminal is directly taken down, the tripping line is very easy to be short-circuited or contacted with the outer shell of the electric cabinet in the process of replacing the load control terminal, so that accidental tripping or accidental electric shock accidents are caused.
Chinese patent document CN103199470B discloses a "metering junction box". The utility model adopts the structure comprising a box body, a box cover, a conducting strip and a locking mechanism. The inside of the box body is divided into a plurality of wiring cavities by longitudinal clapboards, the middle part of each wiring cavity is provided with a boss, the left side surface and the right side surface of the front part and the rear part of each wiring cavity are respectively and correspondingly provided with a hinged support, and the front side wall and the rear side wall of the box body are respectively provided with a wiring hole corresponding to each wiring cavity; the middle part of each conducting plate is provided with a trepanning matched with the boss, and the conducting plates are correspondingly arranged at the bottom of each wiring cavity one by one; the locking mechanism comprises gate valves, springs and baffle plates, each gate valve comprises a press hand, a valve block and a hinge shaft, and the gate valves are arranged at the front and the rear parts of each wiring cavity of the box body; the spring is embedded between the press hand and the boss of each gate valve; the front part and the rear part of each baffle are respectively provided with a pressing hand hole corresponding to a pressing hand of the gate valve, and the middle part of each baffle is arranged on the lug boss through a screw. When the technical scheme is used for replacing or maintaining the load control terminal,
disclosure of Invention
The invention mainly solves the technical problem that the original load control terminal is easy to cause short circuit or accidental tripping when replaced or maintained, and provides an improved metering junction box.
The technical problem of the invention is mainly solved by the following technical scheme: the invention comprises a bottom shell and a cover plate arranged above the bottom shell, wherein the bottom shell is provided with a plurality of assembly line assemblies and tripping assemblies.
Preferably, the trip assembly comprises a first connection terminal, a second connection terminal, a jumper connection member and a trip member, wherein the first connection terminal and the second connection terminal are symmetrically arranged, and the jumper connection member is used for communicating the first connection terminal with the second connection terminal.
Preferably, the tripping assembly further comprises a first adjusting screw and a second adjusting screw, one end of the jumper connecting piece is provided with a U-shaped opening, the jumper connecting piece is provided with a waist-shaped hole, the second adjusting screw is fixedly connected with the second connecting terminal through threads after passing through the waist-shaped hole, and the first adjusting screw is fixedly connected with the first connecting terminal through threads. The opening of the U-shaped opening faces to the side where the first adjusting screw is located, external force is applied to force the jumper connecting piece to enable the U-shaped opening to be clamped on the first adjusting screw, and the jumper connecting piece can be attached to the surfaces of the first connecting piece and the second connecting piece by screwing the first adjusting screw and the second adjusting screw.
Preferably, the trip assembly further comprises a first fixing screw, a second fixing screw, a first wire mounting hole and a second wire mounting hole, wherein the wires are inserted into the first wire mounting hole and the second wire mounting hole respectively and are fixed by screwing the first fixing screw and the second fixing screw. When the load control terminal needs to be maintained or replaced, the power supply of the load control terminal can be directly disconnected with the power supply connected with the electric energy meter only by unscrewing the first adjusting screw and the second adjusting screw and then sliding the jumper connecting piece to enable the U-shaped opening to slide out and be far away from the first adjusting screw, compared with the traditional method that the power supply tripping wire of the load control terminal tripping assembly is directly connected, the method has the advantages that the power supply of the area monitored by the load control terminal is not required to be completely cut off when the load control terminal is replaced or maintained, and the power supply of the load control terminal can be independently cut off, so that all power utilization facilities in a zone of the zone of; in addition, loose live wire ends do not exist in the process of replacing the load control terminal, and therefore accidental tripping or accidental electric shock accidents caused by wire short circuit or electric leakage can be avoided.
Preferably, the jumper connection spare keep away from U-shaped open-ended one end is equipped with the regulation handle, the outside cover of regulation handle is equipped with insulating protective sheath, insulating protective sheath's material is plastics or silica gel. The adjustment handle is used for making things convenient for jumper wire connecting piece's slip operation, and insulating protective sheath is for better insulating the adjustment handle.
Preferably, the side edge of the bottom shell is provided with a plurality of threading holes, and the side edge of the bottom shell is provided with a wire guide hole matched with the tripping assembly.
Preferably, the bottom shell in be equipped with the holding chamber, the holding intracavity is equipped with the baffle, the holding chamber is separated into two equidimension subassembly holding chambeies by the baffle, subassembly holding intracavity is equipped with the trip component, and the width in subassembly holding chamber is greater than jumper connection's width. The jumper connecting piece is guided by two side walls of the assembly accommodating cavity, so that the problem of swinging of the jumper connecting piece is well solved, and the U-shaped opening of the jumper connecting piece can be clamped into the first adjusting screw or far away from the first adjusting screw only by applying force in the forward direction or the reverse direction.
Preferably, the cover plate comprises a cover plate body, a screw through hole is formed in the cover plate body, and the fixing screw penetrates through the screw through hole to be fixedly connected with the bottom shell through threads. In order to better prevent accidents or power stealing behaviors caused by the fact that individuals or enterprises with bad behaviors automatically connect electricity after opening the cover plate in the actual using process.
Preferably, the cover plate is provided with a raised lug plate, the lug plate is provided with a through hole, and the head of the fixing screw is provided with a through hole. So on the one hand be convenient for the installation of apron, on the other hand can use the wire rod to pass and adopt the lead block to fix the both ends of wire rod behind through-hole and the through-hole, has avoided the problem of maliciously opening the apron like this on the one hand, and on the other hand just can know whether the apron has or not privately opened through examining the lead seal and whether destroyed to become to maintain steady personnel and overhaul the maintenance.
Preferably, a positioning column is arranged at one end, far away from the ear plate, of the cover plate, and a positioning hole corresponding to the positioning column is arranged on the bottom shell. The cover plate can be quickly and accurately fixed with the bottom shell in a positioning mode by inserting the positioning columns into the positioning holes in the installation process, and the assembly efficiency is improved.
The invention has the beneficial effects that:
1. when the load control terminal is replaced or inspected and maintained, the power supply of the load control terminal is cut off independently, all power utilization facilities in the area are not required to be stopped, and the residential life and the enterprise production of the area are not influenced.
2. In the process of replacing the load control terminal, no loose live wire head exists, so that accidental tripping or accidental electric shock accidents caused by short circuit or electric leakage can be avoided.
3. After the replacement is finished, the U-shaped opening is clamped on the first adjusting screw only by sliding the jumper connecting piece, the jumper connecting piece is tightly attached to the surfaces of the first connecting piece and the second connecting piece by screwing the first adjusting screw and the second adjusting screw, the power supply of the load control terminal can be switched on, the operation is simple and convenient, and the safety is high.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Figure 3 is a cross-sectional view of the trip assembly of the present invention.
Fig. 4 is a perspective view of the cover plate of the present invention.
Fig. 5 is a cross-sectional view of an ear plate of the present invention.
In the figure, 1 a bottom shell, 101 threading holes, 102 wire holes, 103 partition boards, 104 accommodating cavities, 105 positioning holes, 1041 component accommodating cavities, 19 fixing screws, 2 cover plates, 201 cover plate bodies, 202 lug plates, 2021 through holes, 2022 positioning columns, 203 screw through holes, 4 wiring components, 5 tripping components, 501 first wiring terminals, 5011 first wire mounting holes, 502 second wiring terminals, 5021 second wire mounting holes, 503 first fixing screws, 504 second fixing screws, 505 first adjusting screws, 506 jumper wire connectors, 507 second adjusting screws, 508 adjusting handles and 51 tripping components
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): an improved metering junction box of the present embodiment, as shown in fig. 2, includes a bottom case 1 and a cover plate 2 disposed above the bottom case 1, wherein a plurality of groups of wiring assemblies 4 and tripping assemblies 5 are disposed in the bottom case 1 on the bottom case 1.
As shown in fig. 3, the trip assembly 5 includes a first connection terminal 501, a second connection terminal 502, a jumper connector 506, and the trip member 51, which are symmetrically disposed, the jumper connector 506 communicating the first connection terminal 501 and the second connection terminal 502. The trip assembly 5 further comprises a first adjusting screw 505 and a second adjusting screw 507, one end of the jumper connection member 506 is provided with a U-shaped opening, a waist-shaped hole is formed in the jumper connection member 506, the second adjusting screw 507 is in threaded fixed connection with the second connection terminal 502 after passing through the waist-shaped hole, and the first adjusting screw 505 is in threaded fixed connection with the first connection terminal 501. The opening of the U-shaped opening faces the side where the first adjusting screw is located, external force is applied to force the jumper connecting piece to enable the U-shaped opening to be clamped on the first adjusting screw, and the jumper connecting piece can be attached to the surfaces of the first connecting piece and the second connecting piece by screwing the first adjusting screw and the second adjusting screw.
The trip assembly 5 further includes a first fixing screw 503, a second fixing screw 504, a first wire mounting hole 5011 and a second wire mounting hole 5021, into which the wires are inserted, respectively, and the wires are fixed by tightening the first fixing screw 503 and the second fixing screw 504 by means of the second wire mounting hole 5021. When the load control terminal needs to be maintained or replaced, the jumper connecting piece is slid to enable the U-shaped opening to slide out and be far away from the first adjusting screw after the first adjusting screw and the second adjusting screw are unscrewed, and then the power supply of the load control terminal can be directly disconnected from the power supply connected with the electric energy meter.
An adjusting handle 508 is disposed at an end of the jumper connector 506 away from the U-shaped opening, and is used to facilitate sliding operation of the jumper connector. The outside cover of regulation handle 508 is equipped with insulating protective sheath, and insulating protective sheath's material is plastics or silica gel, and insulating protective sheath is for better insulating the regulation handle.
As shown in fig. 1, a plurality of wire holes 101 are formed in a side of the bottom case 1, and a wire hole 102 adapted to the trip assembly 5 is formed in the side of the bottom case 1. As shown in fig. 2, an accommodating cavity 104 is formed in the bottom case 1, a partition plate 103 is formed in the accommodating cavity 104, the accommodating cavity 104 is divided into two equally large assembly accommodating cavities 1041 by the partition plate 103, a trip member 51 is formed in the assembly accommodating cavity 1041, and the width of the assembly accommodating cavity 1041 is greater than that of the jumper connection member 506. The jumper connecting piece is guided by two side walls of the assembly accommodating cavity, so that the problem of swinging of the jumper connecting piece is well solved, and the U-shaped opening of the jumper connecting piece can be clamped into the first adjusting screw or far away from the first adjusting screw only by applying force in the forward direction or the reverse direction.
As shown in fig. 4, the cover plate 2 includes a cover plate body 201, a screw through hole 203 is formed in the cover plate body 201, and the fixing screw 19 passes through the screw through hole 203 and is fixedly connected with the bottom case 1 by a screw thread. The cover plate 2 is provided with a raised ear plate 202, the ear plate 202 is provided with a through hole 2021, and the head of the fixing screw 19 is provided with a through hole. So on the one hand be convenient for the installation of apron, on the other hand can use the wire rod to pass and adopt the lead block to fix the both ends of wire rod behind through-hole and the through-hole, has avoided the problem of maliciously opening the apron like this on the one hand, and on the other hand just can know whether the apron has or not privately opened through examining the lead seal and whether destroyed to become to maintain steady personnel and overhaul the maintenance.
A positioning post 2022 is disposed at an end of the cover plate 2 away from the ear plate 202, and a positioning hole 105 corresponding to the positioning post 2022 is disposed on the bottom case 1. The cover plate can be quickly and accurately fixed with the bottom shell in a positioning mode by inserting the positioning columns into the positioning holes in the installation process, and the assembly efficiency is improved.
When the load control terminal tripping assembly is used, after the first adjusting screw and the second adjusting screw are unscrewed when the load control terminal needs to be maintained or replaced, the jumper connecting piece is slid to enable the U-shaped opening to slide out and be far away from the first adjusting screw, so that a power supply of the load control terminal can be directly disconnected from a power supply connected with an electric energy meter; in addition, loose live wire ends do not exist in the process of replacing the load control terminal, and therefore accidental tripping or accidental electric shock accidents caused by wire short circuit or electric leakage can be avoided.
After the replacement is finished, the U-shaped opening is clamped on the first adjusting screw only by sliding the jumper connecting piece, the jumper connecting piece can be attached to the surfaces of the first connecting piece and the second connecting piece by screwing the first adjusting screw and the second adjusting screw, and the power supply of the load control terminal can be switched on at the moment.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the terms bottom housing, cover plate, trip assembly, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The improved metering junction box is characterized by comprising a bottom shell (1) and a cover plate (2) arranged above the bottom shell (1), wherein a plurality of assembly line assemblies (4) and tripping assemblies (5) are arranged in the bottom shell (1) on the bottom shell (1).
2. An improved metering junction box according to claim 1, wherein the trip assembly (5) comprises a first junction terminal (501), a second junction terminal (502), a jumper connector (506) and a trip member (51) arranged symmetrically, the jumper connector (506) communicating the first junction terminal (501) and the second junction terminal (502).
3. The improved metering junction box of claim 2, wherein the trip assembly (5) further comprises a first adjusting screw (505) and a second adjusting screw (507), a U-shaped opening is formed at one end of the jumper connecting piece (506), a waist-shaped hole is formed in the jumper connecting piece (506), the second adjusting screw (507) passes through the waist-shaped hole and is fixedly connected with the second connecting terminal (502) in a threaded manner, and the first adjusting screw (505) is fixedly connected with the first connecting terminal (501) in a threaded manner.
4. The improved metering junction box of claim 2, wherein the trip assembly (5) further comprises a first set screw (503), a second set screw (504), a first wire mounting hole (5011) and a second wire mounting hole (5021), wherein the wires are inserted into the first wire mounting hole (5011) and the second wire mounting hole (5021) respectively and are fixed by tightening the first set screw (503) and the second set screw (504).
5. The improved metering junction box as claimed in claim 2, wherein an adjusting handle (508) is arranged at one end of the jumper connecting member (506) far away from the U-shaped opening, an insulating protective sleeve is sleeved outside the adjusting handle (508), and the insulating protective sleeve is made of plastic or silica gel.
6. The improved metering junction box as claimed in claim 4, wherein a plurality of wire holes (101) are formed in the side of the bottom shell (1), and a wire hole (102) matched with the trip assembly (5) is formed in the side of the bottom shell (1).
7. The improved metering junction box of claim 1, wherein a containing cavity (104) is formed in the bottom shell (1), a partition plate (103) is formed in the containing cavity (104), the containing cavity (104) is divided into two equal component containing cavities (1041) by the partition plate (103), a tripping member (51) is formed in the component containing cavity 1041, and the width of the component containing cavity (1041) is larger than that of the jumper connector (506).
8. The improved metering junction box of claim 1, wherein the cover plate (2) comprises a cover plate body (201), a screw through hole (203) is formed in the cover plate body (201), and the fixing screw (19) penetrates through the screw through hole (203) to be fixedly connected with the bottom shell (1) in a threaded mode.
9. The improved metering junction box according to claim 8, characterized in that said cover plate (2) is provided with a raised ear plate (202), said ear plate (202) is provided with a through hole (2021), and the head of said fixing screw (19) is provided with a through hole.
10. The improved metering junction box of claim 9, wherein the cover plate (2) is provided with positioning posts (2022) at an end away from the ear plate (202), and the bottom case (1) is provided with positioning holes (105) corresponding to the positioning posts (2022).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941649.9A CN112234548A (en) | 2020-09-09 | 2020-09-09 | Improved metering junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941649.9A CN112234548A (en) | 2020-09-09 | 2020-09-09 | Improved metering junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112234548A true CN112234548A (en) | 2021-01-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010941649.9A Pending CN112234548A (en) | 2020-09-09 | 2020-09-09 | Improved metering junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112234548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466513A (en) * | 2021-05-31 | 2021-10-01 | 国网浙江海盐县供电有限公司 | Wiring-free assembled electric energy meter wiring box |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802513Y (en) * | 2004-10-20 | 2006-08-02 | 邓加慧 | Monitoring metering installation |
| CN201053978Y (en) * | 2007-05-22 | 2008-04-30 | 苏州工业园区和顺电气有限公司 | Clasp type latch fastener structure of electric energy metering device |
| CN201145702Y (en) * | 2008-01-16 | 2008-11-05 | 朱伟 | Electric energy metering combined wiring box |
| CN202353128U (en) * | 2011-11-14 | 2012-07-25 | 董建伦 | Junction box |
| CN103326289A (en) * | 2013-06-28 | 2013-09-25 | 国家电网公司 | Load control circuit auxiliary junction box and use method thereof |
| CN204347089U (en) * | 2014-12-05 | 2015-05-20 | 国家电网公司 | For the combined connection box of electric energy acquisition terminal |
| CN104793029A (en) * | 2015-05-05 | 2015-07-22 | 国家电网公司 | Spring compression type electric energy measuring and wiring device with control loop access function |
-
2020
- 2020-09-09 CN CN202010941649.9A patent/CN112234548A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2802513Y (en) * | 2004-10-20 | 2006-08-02 | 邓加慧 | Monitoring metering installation |
| CN201053978Y (en) * | 2007-05-22 | 2008-04-30 | 苏州工业园区和顺电气有限公司 | Clasp type latch fastener structure of electric energy metering device |
| CN201145702Y (en) * | 2008-01-16 | 2008-11-05 | 朱伟 | Electric energy metering combined wiring box |
| CN202353128U (en) * | 2011-11-14 | 2012-07-25 | 董建伦 | Junction box |
| CN103326289A (en) * | 2013-06-28 | 2013-09-25 | 国家电网公司 | Load control circuit auxiliary junction box and use method thereof |
| CN204347089U (en) * | 2014-12-05 | 2015-05-20 | 国家电网公司 | For the combined connection box of electric energy acquisition terminal |
| CN104793029A (en) * | 2015-05-05 | 2015-07-22 | 国家电网公司 | Spring compression type electric energy measuring and wiring device with control loop access function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466513A (en) * | 2021-05-31 | 2021-10-01 | 国网浙江海盐县供电有限公司 | Wiring-free assembled electric energy meter wiring box |
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Application publication date: 20210115 |
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| RJ01 | Rejection of invention patent application after publication |