CN202794265U - Connection terminal box of electric energy meters - Google Patents
Connection terminal box of electric energy meters Download PDFInfo
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- CN202794265U CN202794265U CN201220434957.3U CN201220434957U CN202794265U CN 202794265 U CN202794265 U CN 202794265U CN 201220434957 U CN201220434957 U CN 201220434957U CN 202794265 U CN202794265 U CN 202794265U
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Abstract
The utility model discloses a connection terminal box of electric energy meters. The connection terminal box comprises a base, a voltage connection terminal, a current connection terminal, a voltage connection piece and a current connection piece. Compared with the traditional connection terminal box of the electric energy meters, when the connection terminal box of the electric energy meters is applied to occasions configured with a main electric energy meter and an auxiliary electric energy meter, the quantity of connection leads is greatly reduced, the connection is simple, requirements for professional skills of operators are not high, and the accuracy rate of the lead connection is high. In addition, connection or disconnection of the voltage is achieved through the voltage connection piece, and disconnection or connection of the current is achieved through the current connection piece. Therefore, when the electric energy meter is replaced, the operators only need to slide the current connection piece to disconnect the current of the electric energy meter and then replace the electric energy meter, so that normal operation of the other electric energy meter is not influenced, and the replacement is convenient.
Description
Technical field
The application relates to the electric power meter technical field, particularly relates to connection terminal kit of electric energy meter.
Background technology
Equipping rules according to electric power meter in " electric power meter technical management rules ": the electric power meter of metering single-machine capacity purchase and sale electric weight between the electric power meter of 100MW and above genset online trade settlement electric weight and enterprises of managing electric wire netting, should dispose the identical major-minor of class of accuracy two and overlap active electric energy meters.
Traditional major-minor connection box of electric energy meter mode is with the respectively wiring of two connecting terminal boxes, then the major-minor electric energy meter is coupled together, and mounting process is complicated, and difficulty of construction is large, to technician's high, the inefficiency of professional skill requirement; It is many to connect wire in the installation process, very easily causes wiring error, and the installation accuracy rate is low.From the trade settlement angle, because wiring error causes electric energy metrical misalignment or the inconsistent metering dispute that causes of major-minor electric energy meter institute quantity calculation; From security standpoint, because false wiring may cause current open, the voltage short circuit causes personal injury and device damage accident then, may cause power grid accident when serious.In addition, the major-minor electric energy meter uses respectively two terminal boards to take up room greatly.
The utility model content
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of connection terminal kit of electric energy meter, and to solve traditional connecting terminal box wiring complex process, ineffective problem, technical scheme is as follows:
A kind of connection terminal kit of electric energy meter is used for connecting main electric energy meter and secondary electric energy meter, comprising: base, voltage wiring terminal, current wiring terminal, voltage brace and electric current brace, wherein:
Described base is the base of insulation material;
Described voltage wiring terminal and described current wiring terminal are arranged on the described base;
Described voltage wiring terminal comprise be respectively applied to connect main electric energy meter and secondary electric energy meter A mutually, B phase, C reach four groups of voltage wiring terminals of N phase mutually, every group of described voltage wiring terminal comprises voltage input terminal and the voltage outlet terminal of mutually insulated, realizes connecting or disconnecting by described voltage brace between described voltage input terminal and the described voltage outlet terminal;
Described current wiring terminal comprise be respectively applied to connect main electric energy meter and secondary electric energy meter A mutually, B reaches mutually three groups of current wiring terminals of C mutually, every group of described current wiring terminal comprises electric current input terminal and the electric current outlet terminal that is interconnected, by short circuit or the disconnection between the adjacent electric current current wiring terminal in the described electric current brace realization left and right sides.
Preferably, the voltage input terminal of described main electric energy meter is identical with the voltage input terminal of described secondary electric energy meter, the different and mutually insulated of voltage outlet terminal of the voltage outlet terminal of described main electric energy meter and described secondary electric energy meter.
Preferably, described electric current input terminal comprises electric current inlet wire input terminal and the electric current inlet wire lead-out terminal of mutually insulated;
Described electric current outlet terminal comprises that the current coil with main electric energy meter or secondary electric energy meter is in series and electric current outlet input terminal and the electric current outlet lead-out terminal of mutually insulated.
Preferably, described voltage brace and described electric current brace are that an end has mounting hole, and the other end is the brace of semi-circular hole.
Preferably, the material of described base is the polyphosphazene polymer carbonic ether.
Preferably, described voltage terminal, current terminal, voltage brace and electric current brace all adopt height to lead material.
Preferably, described voltage terminal, current terminal, voltage brace and electric current brace are copper.
Preferably, adopt the polyphosphazene polymer carbonic ether to insulate between described voltage input terminal and the voltage outlet terminal.
The technical scheme that is provided by above the embodiment of the present application as seen, when described connection terminal kit of electric energy meter applies to dispose the occasion of main electric energy meter and secondary electric energy meter, compare with traditional connection box of electric energy meter box, greatly reduce the number that connects wire, connect simple, professional skill to operating personnel is less demanding, and the accuracy rate that wire connects is high.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, the accompanying drawing that the following describes only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the terminal distributed architecture synoptic diagram of a kind of connection terminal kit of electric energy meter of the embodiment of the present application;
Fig. 2 is the inner structure synoptic diagram of connection terminal kit of electric energy meter shown in Figure 1.
Embodiment
In order to make those skilled in the art person understand better technical scheme among the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all should belong to the scope of the application's protection.
Please in conjunction with Fig. 1 and Fig. 2, Fig. 1 shows the terminal distributed architecture synoptic diagram of a kind of connection terminal kit of electric energy meter that the embodiment of the present application provides; Fig. 2 shows the inner structure synoptic diagram of connection terminal kit of electric energy meter shown in Figure 1.
Described connection terminal kit of electric energy meter mainly comprises the base (not shown), voltage wiring terminal, current wiring terminal, voltage brace and electric current brace, wherein:
Described voltage wiring terminal comprise be respectively applied to connect main electric energy meter and secondary electric energy meter A mutually, B phase, C phase and N four groups of voltage wiring terminals mutually, every group of voltage wiring terminal includes a voltage input terminal and two voltage outlet terminals of mutually insulated, and concrete comprises with lower terminal:
Master meter A phase voltage outlet terminal 1, for the A phase voltage coil that connects main electric energy meter, subtabulation A phase voltage outlet terminal 2 is for the A phase voltage coil of auxiliary connection electric energy meter; A phase voltage input terminal 21 is for the secondary side phase line that connects A phase voltage mutual inductor.
As shown in Figure 2, insulate between master meter A phase voltage outlet terminal 1 and the subtabulation A phase voltage outlet terminal 2; And, also insulate between A phase voltage input terminal 21 and master meter A phase voltage outlet terminal 1 and the subtabulation A phase voltage outlet terminal 2, preferably, shown in Figure 2 by macromolecule polycarbonate material 200(between voltage input terminal and the voltage outlet terminal) insulation.
As shown in Figure 1, voltage brace 32 is used for connecting master meter A phase voltage outlet terminal 1 and A phase voltage input terminal 21, and another voltage brace 32 is used for auxiliary connection Table A phase voltage outlet terminal 2 and A phase voltage input terminal 21.
Concrete, as shown in Figure 1, described voltage brace 32 1 ends have mounting hole, the other end is semi-circular hole, voltage brace 32 is fixing by forcing screw 33, unclamps described forcing screw 33, and voltage brace 32 is moved up to be connected with the terminal of voltage brace top, thereby be the electric energy meter turn-on voltage, downwards off voltage
Master meter B phase voltage outlet terminal 7, for the B phase voltage coil that connects main electric energy meter, subtabulation B phase voltage outlet terminal 8, for the B phase voltage coil of auxiliary connection electric energy meter, B phase voltage input terminal 24 is for the secondary side phase line that connects B phase voltage mutual inductor.
As shown in Figure 2, insulate between master meter B phase voltage outlet terminal 7 and the subtabulation B phase voltage outlet terminal 8; And, also insulate between B phase voltage input terminal 24 and master meter B phase voltage outlet terminal 7 and the subtabulation A phase voltage outlet terminal 8, preferred, pass through polyphosphazene polymer carbonic ether insulated with material between voltage input terminal and the voltage outlet terminal.
As shown in Figure 1, voltage brace 32 is used for connecting master meter B phase voltage outlet terminal 7 and B phase voltage input terminal 24, and another voltage brace 32 is used for connecting subtabulation B phase voltage outlet terminal 8 and B phase voltage input terminal 24.
As shown in Figure 1, master meter C phase voltage outlet terminal 13 is for the C phase voltage coil that connects main electric energy meter; Subtabulation C phase voltage outlet terminal 14 is for the C phase voltage coil of auxiliary connection electric energy meter; C phase voltage input terminal 27 is for the secondary side phase line that connects C phase voltage mutual inductor.
Wherein, master meter C phase voltage outlet terminal 13, the insulation system between the voltage line terminal of insulation between subtabulation C phase voltage outlet terminal 14 and the C phase voltage input terminal 27 relation and A phase, B phase is identical, repeats no more herein.
As shown in Figure 1, master meter N phase voltage outlet terminal 19 is for the ground wire that connects main electric energy meter; Subtabulation N phase voltage outlet terminal 19 is for the ground wire of auxiliary connection electric energy meter; N phase voltage input terminal 30 is for the ground wire that connects voltage transformer (VT).
Wherein, master meter N phase voltage outlet terminal 18, the insulation system between the voltage line terminal of insulation between subtabulation N phase voltage outlet terminal 19 and the N phase voltage input terminal 30 relation and A phase, B phase, C phase is identical, repeats no more herein.
Described current wiring terminal comprise be respectively applied to connect main electric energy meter and secondary electric energy meter A mutually, B phase, C three groups of current wiring terminals mutually, every group of current wiring terminal includes electric current input terminal and electric current outlet terminal, and the electric current input terminal comprises electric current inlet wire input terminal and the electric current inlet wire lead-out terminal of mutually insulated; Described electric current outlet terminal comprises electric current outlet input terminal and electric current outlet lead-out terminal, and concrete comprises with lower terminal:
A phase current input terminal comprises: A phase current inlet wire input terminal 22 and A phase current inlet wire lead-out terminal 23, and this two input terminal is serially connected in the secondary side of A phase current mutual inductor;
A phase current outlet terminal comprises: master meter A phase current outlet input terminal 3, master meter A phase current outlet lead-out terminal 4, this two electric currents outlet terminal serial connection is to the current coil loop of main electric energy meter.Subtabulation A phase current outlet input terminal 5, subtabulation A phase current outlet lead-out terminal 6, this two electric currents outlet terminal serial connection is to the current coil loop of secondary electric energy meter.
In conjunction with Fig. 1 and Fig. 2, electric current line terminal column is communicated with by conductor, preferably, described conductor is that HPb59-1 copper sheet 100(is shown in Figure 2), the terminal of adjacent column is realized electric current short circuit or disconnection by described electric current brace 31, concrete, master meter A phase current outlet input terminal 3 is realized short circuit or disconnection by electric current brace 31 and the A phase current inlet wire input terminal 22 of adjacent column; A phase current inlet wire input terminal 22 is realized short circuit or disconnection by electric current brace 31 and master meter A phase current outlet lead-out terminal 4; Subtabulation A phase current outlet input terminal 5 is realized short circuit or disconnection by electric current brace 31 and the master meter A phase current outlet lead-out terminal 4 of adjacent column; Subtabulation A phase current outlet lead-out terminal 6 is realized short circuit or disconnection by electric current brace 31 and subtabulation A phase current outlet input terminal 5.
B phase current terminal comprises: B phase current input terminal and B phase current outlet terminal, wherein:
B phase current input terminal comprises: B phase current inlet wire input terminal 25 and B phase current inlet wire lead-out terminal 26, and this two input terminal is serially connected in the secondary side of B phase current mutual inductor;
B phase current outlet terminal comprises: master meter B phase current outlet input terminal 9, master meter B phase current outlet lead-out terminal 10, this two electric currents outlet terminal serial connection is to the current coil loop of main electric energy meter.Subtabulation B phase current outlet input terminal 11, subtabulation B phase current outlet lead-out terminal 12, this two electric currents outlet terminal serial connection is to the current coil loop of secondary electric energy meter.
The inner structure of B phase current terminal is identical with the inner structure of A phase current terminal, repeats no more herein.
C phase current terminal comprises: C phase current input terminal and C phase current outlet terminal, wherein:
C phase current input terminal comprises: C phase current inlet wire input terminal 28 and C phase current inlet wire lead-out terminal 29, and this two input terminal is serially connected in the secondary side of C phase current mutual inductor;
C phase current outlet terminal comprises: master meter C phase current outlet input terminal 15, master meter C phase current outlet lead-out terminal 16, this two electric currents outlet terminal serial connection is to the current coil loop of main electric energy meter.Subtabulation C phase current outlet input terminal 17, subtabulation C phase current outlet lead-out terminal 18, this two electric currents outlet terminal serial connection is to the current coil loop of secondary electric energy meter.
The inner structure of C phase current terminal is identical with the inner structure of A phase current terminal, repeats no more herein.
The numbers of terminals of the connection terminal kit of electric energy meter that present embodiment provides as can be known, when described connection terminal kit of electric energy meter applies to dispose the occasion of main electric energy meter and secondary electric energy meter, compare with traditional connection box of electric energy meter box, greatly reduce the number that connects wire, connect simple, professional skill to operating personnel is less demanding, and the accuracy rate that wire connects is high.And, and use traditional connection terminal kit of electric energy meter to be connected electric energy meter to compare, when using the connection terminal kit of electric energy meter connection electric energy meter that present embodiment provides, reduced the use of a terminal box, simple installation, floor area is little.
In addition, easy to operate when need changing the main electric energy meter that is connected with connection terminal kit of electric energy meter shown in Figure 1 and secondary electric energy meter, concrete, when needing more the change owner electric energy meter, the electric current brace 31 that connects A phase current inlet wire input terminal 22 and master meter A phase current outlet lead-out terminal 4 is slided to the right, thereby the electric current of short circuit master electric energy meter can not affect the gage work current return of secondary electric energy meter.When needs are changed secondary electric energy meter, the electric current brace 31 of auxiliary connection Table A phase current outlet input terminal 5 and subtabulation A phase current outlet lead-out terminal 6 is slided to the right, thereby the electric current of the secondary electric energy meter of short circuit, and can not affect the gage work current return of main electric energy meter.Connection is simple, the replacing electric energy meter is simple.
Need to prove, in this article, such as term " comprise ", " comprising " or its any other variant be intended to contain comprising of nonexcludability, thereby not only comprise those key elements so that comprise process, method, article or the equipment of a series of key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.Do not having in the situation of more restrictions, the key element that is limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
The above only is the application's embodiment; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the application's protection domain.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220434957.3U CN202794265U (en) | 2012-08-29 | 2012-08-29 | Connection terminal box of electric energy meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220434957.3U CN202794265U (en) | 2012-08-29 | 2012-08-29 | Connection terminal box of electric energy meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794265U true CN202794265U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220434957.3U Expired - Lifetime CN202794265U (en) | 2012-08-29 | 2012-08-29 | Connection terminal box of electric energy meters |
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| CN (1) | CN202794265U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798743A (en) * | 2012-08-29 | 2012-11-28 | 重庆市电力公司电力科学研究院 | Wiring terminal box for electric energy meter |
| CN103941060A (en) * | 2014-05-16 | 2014-07-23 | 国家电网公司 | Connection terminal box and connector |
| CN106383255A (en) * | 2016-09-30 | 2017-02-08 | 国网浙江省电力公司泰顺县供电公司 | Switch type electric energy metering junction box |
| CN104237589B (en) * | 2014-09-05 | 2017-05-24 | 深圳华越南方电子技术有限公司 | Electricity larceny prevention device and electricity larceny prevention method with electricity larceny prevention device applied |
| CN106786265A (en) * | 2017-02-14 | 2017-05-31 | 邹文峰 | Multifunctional combined terminal box |
| CN111183361A (en) * | 2017-08-10 | 2020-05-19 | Koa株式会社 | Current measuring device |
| CN114814320A (en) * | 2022-04-19 | 2022-07-29 | 威胜集团有限公司 | Terminal block subassembly and three-phase electric energy meter part |
-
2012
- 2012-08-29 CN CN201220434957.3U patent/CN202794265U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798743A (en) * | 2012-08-29 | 2012-11-28 | 重庆市电力公司电力科学研究院 | Wiring terminal box for electric energy meter |
| CN103941060A (en) * | 2014-05-16 | 2014-07-23 | 国家电网公司 | Connection terminal box and connector |
| CN104237589B (en) * | 2014-09-05 | 2017-05-24 | 深圳华越南方电子技术有限公司 | Electricity larceny prevention device and electricity larceny prevention method with electricity larceny prevention device applied |
| CN106383255A (en) * | 2016-09-30 | 2017-02-08 | 国网浙江省电力公司泰顺县供电公司 | Switch type electric energy metering junction box |
| CN106383255B (en) * | 2016-09-30 | 2024-02-02 | 国网浙江省电力公司泰顺县供电公司 | A switch type electric energy metering junction box |
| CN106786265A (en) * | 2017-02-14 | 2017-05-31 | 邹文峰 | Multifunctional combined terminal box |
| CN111183361A (en) * | 2017-08-10 | 2020-05-19 | Koa株式会社 | Current measuring device |
| CN114814320A (en) * | 2022-04-19 | 2022-07-29 | 威胜集团有限公司 | Terminal block subassembly and three-phase electric energy meter part |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |