CN109507462B - Terminal replacement auxiliary device for interlocking protection - Google Patents
Terminal replacement auxiliary device for interlocking protection Download PDFInfo
- Publication number
- CN109507462B CN109507462B CN201811468472.4A CN201811468472A CN109507462B CN 109507462 B CN109507462 B CN 109507462B CN 201811468472 A CN201811468472 A CN 201811468472A CN 109507462 B CN109507462 B CN 109507462B
- Authority
- CN
- China
- Prior art keywords
- terminal
- access
- metal
- current
- pressure spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 239000011324 bead Substances 0.000 claims abstract description 16
- 150000002739 metals Chemical class 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000005192 partition Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013642 negative control Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a terminal replacement auxiliary device with interlocking protection. When the terminal is replaced, the flip cover is turned over firstly, then the auxiliary terminal is pulled out from the terminal, at the moment, the plastic parting bead on the flip cover is pulled out from the middle of the pressure spring metal sheet, the adjacent pressure spring metal sheets are connected, and the adjacent access current is short-circuited, and the exposed voltage and current terminals are not electrified because the metal parting bead on the flip cover is not contacted with the hardware column and the access line, so that the auxiliary terminal is pulled out from the terminal safely enough; when the terminal is replaced, the auxiliary terminal is inserted into the terminal, then the flip cover is closed to avoid safety accidents caused by electrification of the exposed hardware column, at the moment, the plastic parting bead is inserted between the metal sheets of the pressure spring, and adjacent current access lines are separated; two ends of the metal parting strip are respectively connected with the access line and the hardware column, and the metal parting strip supplies power to the ammeter after being communicated. The invention avoids the influence of the short circuit current loop on the metering of the meter in the fault process, has high safety and improves the operation reliability of the equipment.
Description
Technical Field
The invention relates to the field of ammeter wiring, in particular to a terminal replacement auxiliary device with interlocking protection.
Background
Because a large number of electric energy meters or metering terminals need to be replaced every year, and meanwhile, because the metering terminals belong to real-time communication equipment, the fault rate is much higher than that of the electric energy meters, the daily operation and maintenance input resources are relatively large, and the operation of replacing the terminals on site is also frequent. At present, an electric energy meter of a special-purpose transformer user metering device and a matched negative control terminal share a metering terminal box, currents of the electric energy meter and the matched negative control terminal are connected in series, and voltage loops are connected in parallel. The wiring mode has the following problems in operation and maintenance engineering: firstly, the fault replacement process needs to be operated by metering the terminal box, and has high requirements on the skills of operators and safety measures in the operation process. Secondly, when changing, need short circuit current return circuit, influence the measurement of charging table, cause enterprise economic loss.
Disclosure of Invention
The invention provides a terminal replacement auxiliary device for interlocking protection, which aims to overcome the defects that in the prior art, the operation of a metering terminal box is required in the fault replacement process, the requirements on the skill of operators are high, the safety measure in the operation process is high, and in the process of replacing an electric energy meter or a metering terminal, a short circuit current loop is required to influence the metering of the metering meter and cause the economic loss of enterprises.
The present invention aims to solve the above technical problems at least to some extent.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a change terminal auxiliary device of chain protection, including the base with install flip on the base, still including installing a plurality of electric current five metals posts on the base, a plurality of voltage five metals posts, every electric current five metals post below is provided with the pressure spring sheetmetal, the pressure spring sheetmetal is fixed in on the base, and the one end contact of two adjacent pressure spring sheetmetals is connected, its other end all is connected with the access current line, fixedly on the flip be provided with the metal parting bead that corresponds with electric current five metals post voltage five metals post position, the both ends of metal parting bead are fixed with first metal terminal and second metal terminal, and be fixed with the parting bead on the flip, its position corresponds with the position of pressure spring sheetmetal junction on the base.
When the flip cover is turned over, the plastic parting strips on the flip cover are pulled out from the middle of the pressure spring metal sheets, and the adjacent pressure spring metal sheets are connected, so that the adjacent access current wires are short-circuited, and the exposed voltage hardware columns and the exposed current hardware columns are not electrified because the metal parting strips on the flip cover are not contacted with the voltage hardware columns and the current hardware columns in the base cavity; when the flip is closed, the ammeter inserts the terminal, and the plastic parting bead inserts between the pressure spring sheetmetal, and adjacent pressure spring sheetmetal is separated by two each other to make current line and electric current five metals post intercommunication, metal parting bead both ends are connected with access line and five metals post respectively, supply power for the ammeter after the intercommunication.
Preferably, the access current wire and the access voltage wire are respectively inserted into the access wire mounting seat, and the access wire mounting seat is provided with screw holes for inserting screws to fix the access current wire and the access voltage wire; the access line mounting seat is also provided with a first jack corresponding to the position of the first metal binding post.
Preferably, the current hardware column and the voltage hardware column are both installed on the installation seat, a second jack corresponding to the second metal binding post is arranged on the installation seat, when the flip is closed, two ends of the metal parting strip are respectively inserted into the first jack and the second jack, so that the access line is connected with the hardware column, and power is supplied to the ammeter.
Preferably, a fixing plate of a fixing installation seat and an access line installation seat is arranged between the base and the flip cover, and the fixing installation seat can prevent the electrified devices from being exposed and can be used for fixing the devices.
Preferably, a voltage hardware column is arranged between every two current hardware columns.
Preferably, the material of the compression spring metal sheet is copper metal.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the invention, the traditional wiring mode and the mode of manually short-circuiting current and breaking voltage during live replacement are changed by turning over the plastic partition plate and the metal partition bar and mutually matching the plastic partition plate and the metal partition bar, so that the electric meter can be quickly replaced under the condition of no power failure, the electric meter is simple and convenient to install, safe and efficient, and the metering electric quantity loss caused by a replacement terminal is reduced to a certain extent; the design of the fixed mounting seat avoids exposing the electrified devices outside, and the devices are fixed so that the device is safe and stable.
Drawings
Fig. 1 is a diagram of the internal components of the present invention.
FIG. 2 is a diagram showing the effect of the present invention.
Fig. 3 is a structural view of the present invention when the folder is closed.
Fig. 4 is a structural view of the flip cover of the present invention when the flip cover is opened.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions;
it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
Example 1
The device internal device diagram shown in fig. 1 comprises a base 1 and a flip 7 arranged on the base, and is characterized by further comprising a plurality of current hardware columns 2 arranged on the base 1, a plurality of voltage hardware columns 3, and a voltage hardware column 3 arranged between every two current hardware columns 2. A pressure spring metal sheet 4 is arranged below each current hardware column 2, the pressure spring metal sheets 4 are fixed on the base 1, one ends of two adjacent pressure spring metal sheets 4 are in contact connection, the other ends of the two adjacent pressure spring metal sheets are connected with an access current wire, a metal division bar 6 corresponding to the position of the voltage hardware column 3 of the current hardware column 2 is fixedly arranged on the flip 7, a first metal binding post 61 and a second metal binding post 62 are fixed at two ends of the metal division bar 6, and a division bar 12 is fixed on the flip 7, and the position of the division bar corresponds to the position of the connecting part of the pressure spring metal sheets 4 on the base 1; the access current wire and the access voltage wire are respectively inserted into the access wire mounting seat 9, and the access wire mounting seat 9 is provided with screw holes 10 for inserting and fixing the access current wire and the access voltage wire by screws; the access line mounting seat 9 is also provided with a first jack 81 corresponding to the position of the first metal binding post 61, the current hardware column 2 and the voltage hardware column 3 are both mounted on the mounting seat 5, and the mounting seat 5 is provided with a second jack 82 corresponding to the second metal binding post 62; a fixed plate 11 for fixing the mounting seat 5 and the access line mounting seat 9 is arranged between the base 1 and the flip 7; in one embodiment, the material of the compression spring metal sheet 4 is copper metal.
In the implementation process, when the auxiliary terminal is closed and the flip 7 is inserted into the metering terminal, the effect diagram is shown in fig. 2, the access line is conducted with the current hardware column 2 and the voltage hardware column 3 to supply power to the ammeter, and the internal structure diagram is shown in fig. 3.
When the terminal is replaced, the flip 7 is turned over by the device, the auxiliary terminal is pulled out from the terminal, the flip 7 is opened, the plastic parting bead 12 on the flip 7 is pulled out from the middle of the pressure spring metal sheet 4, the adjacent pressure spring metal sheets 4 are connected, so that the adjacent access current wires are short-circuited, and the exposed voltage hardware column and the exposed current hardware column are not electrified because the metal parting bead 6 on the flip 7 is not contacted with the voltage hardware column 3 and the current hardware column 2 in the cavity of the base 1, so that the auxiliary terminal is pulled out from the terminal safely enough at the moment, and the auxiliary terminal turning-over structure diagram is shown in fig. 4.
When the terminal is replaced, the auxiliary terminal is inserted into the terminal, the flip 7 is closed to avoid safety accidents caused by electrification of the exposed hardware column, the plastic parting bead 12 is inserted between the pressure spring metal sheets 4, the adjacent pressure spring metal sheets 4 are separated from each other in pairs, so that a current wire is communicated with the current hardware column 2, the first metal binding post 61 and the second metal binding post 62 at two ends of the metal parting bead 6 are respectively inserted into the first inserting hole 81 and the second inserting hole 82 to be connected with the hardware column and the access wire, and the access wire is conducted with the current hardware column 2 and the voltage hardware column 3, so that the metering terminal is electrified.
The same or similar reference numerals correspond to the same or similar components;
the terms describing the positional relationship in the drawings are merely illustrative, and are not to be construed as limiting the present patent;
it is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (3)
1. The utility model provides a change terminal auxiliary device of chain protection, including base (1) and flip (7) of installing on the base, a plurality of electric current five metals posts (2) of installing on base (1), a plurality of voltage five metals post (3), every electric current five metals post (2) below is provided with pressure spring sheetmetal (4), pressure spring sheetmetal (4) are fixed in on base (1), and the one end contact of two adjacent pressure spring sheetmetals (4) is connected, the other end all is connected with the access current line, fixedly on the flip be provided with electric current five metals post (2), voltage five metals post (3) position corresponding metal parting bead (6), the both ends of metal parting bead (6) are fixed with first metal terminal (61) and second metal terminal (62), and be fixed with plastic parting bead (12) on flip (7), the position of plastic parting bead (12) corresponds with the position of pressure spring sheetmetal (4) junction on base (1);
the access current wire and the access voltage wire are respectively inserted into the access wire mounting seat (9), and the access wire mounting seat (9) is provided with screw holes (10) for inserting and fixing the access current wire and the access voltage wire by screws; the access line mounting seat (9) is also provided with a first jack (81) corresponding to the position of the first metal binding post (61);
the current hardware column (2) and the voltage hardware column (3) are both arranged on the fixed installation seat (5), and a second jack (82) corresponding to the second metal binding post (62) is arranged on the fixed installation seat (5);
a fixed mounting seat (5) and a fixed plate (11) of an access line mounting seat (9) are arranged between the base (1) and the flip (7).
2. The replacement terminal auxiliary device for interlock protection according to claim 1, wherein a voltage hardware column (3) is arranged between every two current hardware columns (2).
3. The auxiliary device for replacing a terminal for interlocking protection according to claim 1, wherein the material of the pressure spring metal sheet (4) is copper metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468472.4A CN109507462B (en) | 2018-12-03 | 2018-12-03 | Terminal replacement auxiliary device for interlocking protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811468472.4A CN109507462B (en) | 2018-12-03 | 2018-12-03 | Terminal replacement auxiliary device for interlocking protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109507462A CN109507462A (en) | 2019-03-22 |
| CN109507462B true CN109507462B (en) | 2024-01-23 |
Family
ID=65750197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811468472.4A Active CN109507462B (en) | 2018-12-03 | 2018-12-03 | Terminal replacement auxiliary device for interlocking protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109507462B (en) |
Citations (12)
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|---|---|---|---|---|
| US5068962A (en) * | 1989-09-25 | 1991-12-03 | General Electric Company | Method of fabricating an energy meter |
| JP2006300877A (en) * | 2005-04-25 | 2006-11-02 | Chugoku Electric Power Co Inc:The | Measuring adapter |
| CN102313829A (en) * | 2010-12-08 | 2012-01-11 | 深圳华立南方电子技术有限公司 | Plugging-in type electric energy meter |
| CN203149000U (en) * | 2013-03-11 | 2013-08-21 | 山东电力集团公司泰安供电公司 | Pluggable electric energy metering connection box |
| CN203443993U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Electric energy metering wiring apparatus |
| CN104122526A (en) * | 2014-06-24 | 2014-10-29 | 武汉国测恒通智能仪器有限公司 | High voltage electric energy meter with metering unit capable of being charged to replace |
| CN104849522A (en) * | 2015-05-08 | 2015-08-19 | 国家电网公司 | Three-phase plug-in type electric energy meter mounting seat and use method |
| JP2017053722A (en) * | 2015-09-09 | 2017-03-16 | 北陸電力株式会社 | Uninterruptible replacement tool for watt-hour meter with ct |
| CN206401547U (en) * | 2016-10-21 | 2017-08-11 | 国网安徽省电力公司芜湖县供电公司 | Connection box |
| CN207509189U (en) * | 2017-12-05 | 2018-06-19 | 国家电网公司 | Dress table connects electric tool box special |
| CN108445268A (en) * | 2018-05-18 | 2018-08-24 | 上海振浩电子科技有限公司 | A kind of three-phase electric energy meter does not have a power failure more changing device |
| CN210015141U (en) * | 2018-12-03 | 2020-02-04 | 广东电网有限责任公司 | Chain protection's change terminal auxiliary device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070024733A (en) * | 2003-05-07 | 2007-03-02 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | El display apparatus and method of driving el display apparatus |
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2018
- 2018-12-03 CN CN201811468472.4A patent/CN109507462B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5068962A (en) * | 1989-09-25 | 1991-12-03 | General Electric Company | Method of fabricating an energy meter |
| JP2006300877A (en) * | 2005-04-25 | 2006-11-02 | Chugoku Electric Power Co Inc:The | Measuring adapter |
| CN102313829A (en) * | 2010-12-08 | 2012-01-11 | 深圳华立南方电子技术有限公司 | Plugging-in type electric energy meter |
| CN203149000U (en) * | 2013-03-11 | 2013-08-21 | 山东电力集团公司泰安供电公司 | Pluggable electric energy metering connection box |
| CN203443993U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Electric energy metering wiring apparatus |
| CN104122526A (en) * | 2014-06-24 | 2014-10-29 | 武汉国测恒通智能仪器有限公司 | High voltage electric energy meter with metering unit capable of being charged to replace |
| CN104849522A (en) * | 2015-05-08 | 2015-08-19 | 国家电网公司 | Three-phase plug-in type electric energy meter mounting seat and use method |
| JP2017053722A (en) * | 2015-09-09 | 2017-03-16 | 北陸電力株式会社 | Uninterruptible replacement tool for watt-hour meter with ct |
| CN206401547U (en) * | 2016-10-21 | 2017-08-11 | 国网安徽省电力公司芜湖县供电公司 | Connection box |
| CN207509189U (en) * | 2017-12-05 | 2018-06-19 | 国家电网公司 | Dress table connects electric tool box special |
| CN108445268A (en) * | 2018-05-18 | 2018-08-24 | 上海振浩电子科技有限公司 | A kind of three-phase electric energy meter does not have a power failure more changing device |
| CN210015141U (en) * | 2018-12-03 | 2020-02-04 | 广东电网有限责任公司 | Chain protection's change terminal auxiliary device |
Non-Patent Citations (1)
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|---|
| 微型接线柱自动装配生产线的方案设计;朱广 等;机械工程师(第2期);第29-31页 * |
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| Publication number | Publication date |
|---|---|
| CN109507462A (en) | 2019-03-22 |
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