技术领域technical field
本实用新型涉及电力系统的一种接线装置，更具体地说，是一种电气二次回路的新型复合型终端接线盒接线盒。The utility model relates to a connection device of an electric power system, more specifically, it is a new composite terminal junction box junction box for an electrical secondary circuit.
背景技术Background technique
在电力系统，连接在二次回路的电能计量表（电能表）均采用联合端子接线盒与变电站二次计量回路相连接来传递电压和电流信号，连接方式为螺丝和金属滑片式连接，作为法定计量仪表的电路表必须定期进行年检校验，目前的方式是采用复合型智能终端接线盒。In the power system, the electric energy meter (electric energy meter) connected to the secondary circuit is connected to the secondary metering circuit of the substation by a joint terminal junction box to transmit voltage and current signals. The connection method is screw and metal slide connection, as The circuit meters of legal metering instruments must be regularly checked annually. The current method is to use a composite intelligent terminal junction box.
专利文献201220711690.8（申请日：2012.12.21）公布了新型复合型终端接线盒，包括顶部接线端、底部接线端和复合插座，顶部接线端通过导线与复合插座上簧片相连接，底部接线端通过导线与复合插座下簧片相连接，复合插座由10 个分路插座组合而成，各分路插座间互相绝缘，各分路插座的上下簧片分别与对应的接线端相连接。该实用新型是为电度表实现现场测试校验或更换而设计的新型复合型终端接线盒，有效避免可能发生的设备与人身的不安全因素。Patent document 201220711690.8 (application date: 2012.12.21) announced a new composite terminal junction box, including a top terminal, a bottom terminal and a composite socket. The wire is connected with the lower reed of the composite socket. The composite socket is composed of 10 shunt sockets, and the shunt sockets are insulated from each other. This utility model is a new composite terminal junction box designed for on-site testing, calibration or replacement of watt-hour meters, which can effectively avoid possible unsafe factors of equipment and personal.
但是它存在以下缺点，10分路的复合插座与底壳是一个整体，不能单独更换，一旦其中一个分路故障，就必须更换复合插座，整体的更换一方面造成维修上不方便，另一方面也造成成本的浪费，故实用性较差；分路插座和分路插座相互间的安装不紧密；簧片耐久性差，对插口进行长期拨插，会造成簧片变形；同时，复合插座还存在阻抗高、压降大的问题。But it has the following disadvantages. The 10-way composite socket and the bottom shell are a whole and cannot be replaced separately. Once one of the shunts fails, the composite socket must be replaced. On the one hand, the overall replacement causes inconvenience in maintenance. On the other hand It also causes waste of cost, so the practicability is poor; the installation of the shunt socket and the shunt socket is not tight; The problem of high impedance and large voltage drop.
为从更本上解决上述问题，在保证设备及人员安全的前提下，如何使智能终端接线盒稳定、高效、低成本是本领域的技术人员所要解决的技术课题。In order to fundamentally solve the above problems, on the premise of ensuring the safety of equipment and personnel, how to make the intelligent terminal junction box stable, efficient and low-cost is a technical problem to be solved by those skilled in the art.
实用新型内容Utility model content
本实用新型目的是旨在提供了一种更换插座方便，分路插座和分路插座相互间安装紧密的新型复合型终端接线盒。The purpose of the utility model is to provide a new composite terminal junction box which is convenient to replace the socket and the shunt socket and the shunt socket are closely installed with each other.
为实现上述技术目的，本实用新型采用的技术方案如下：For realizing above-mentioned technical purpose, the technical scheme that the utility model adopts is as follows:
新型复合型终端接线盒，包括外壳底座和外壳盖，所述外壳底座包括插座区域和功能区域，所述插座区域两侧分别设有隔离挡板，插座区域内设有复合插座，所述复合插座包括独立的分路插座，所述插座区域的分路插座和分路插座之间至少设有一个限位挡板。A new composite terminal junction box, including a housing base and a housing cover, the housing base includes a socket area and a functional area, isolation baffles are respectively provided on both sides of the socket area, and a composite socket is provided in the socket area, and the composite socket It includes an independent branching socket, and at least one limiting baffle is arranged between the branching socket and the branching socket in the socket area.
采用上述技术方案的实用新型，通过设置隔离挡板，便于区分插座区域和功能区域；通过设置独立的分路插座，当发生故障时，更换方便，避免资源的浪费，通过设置限位挡板，使得分路插座和分路插座相互间安装紧密。In the utility model adopting the above technical solution, by setting the isolation baffle, it is convenient to distinguish the socket area and the functional area; by setting an independent shunt socket, when a fault occurs, it is easy to replace and avoid waste of resources; by setting a limit baffle, The branch socket and the branch socket are installed closely to each other.
进一步限定，所述限位挡板为三个，所述限位挡板分别设置在第三个、第六个和第九个分路插座后。It is further defined that there are three limiting baffles, and the limiting baffles are respectively arranged behind the third, sixth and ninth branch sockets.
通过设置三个限位，帮助区分A相、B相、C相和零线插座。By setting three limits, it helps to distinguish phase A, phase B, phase C and neutral wire socket.
进一步限定，所述限位挡板上设有凸起,所述外壳盖上设有和凸起匹配的凹槽。It is further defined that a protrusion is provided on the limiting baffle, and a groove matching the protrusion is provided on the housing cover.
设置凸起和凹槽，使得外壳底座和外壳盖连接更牢固，避免盒盖脱落造成线路裸露。Protrusions and grooves are provided to make the connection between the base of the housing and the cover of the housing more firm, preventing the cover from falling off and causing the circuit to be exposed.
进一步限定，所述分路插座至少有十个。It is further defined that there are at least ten branch sockets.
满足三相电能表的A相、B相、C相和零线的连接要求。Meet the connection requirements of A phase, B phase, C phase and neutral wire of the three-phase electric energy meter.
进一步限定，所述分路插座包括前接线端、后接线端、前铜柱、后铜柱、插口和底板，所述插口包括前、后双簧片，所述前双簧片通过前铜柱与前接线端连接，所述后双簧片通过后铜柱与后接线端连接；所述分路插座径向前、后表面是平面结构，所述分路插座的底板是绝缘层。Further defined, the shunt socket includes a front terminal, a rear terminal, a front copper column, a rear copper column, a socket and a bottom plate, the socket includes a front and a rear double reed, and the front double reed passes through the front copper column and the front The terminal is connected, and the rear double reed is connected to the rear terminal through the rear copper column; the radial front and rear surfaces of the shunt socket are planar structures, and the bottom plate of the shunt socket is an insulating layer.
分路插座径向前、后表面是平面结构，便于分路插座一个接一个的无缝安装，并且分路插座的底板是绝缘层，保证各个分路插座之间绝缘效果更好；通过设置前、后铜柱做导体，降低阻抗，减少压降。需要指出的是，为了无缝安装，盒内不需要对分路插座设置限位槽，避免占用空间。The radial front and rear surfaces of the shunt sockets are flat structures, which facilitate the seamless installation of the shunt sockets one by one, and the bottom plate of the shunt sockets is an insulating layer to ensure better insulation between the shunt sockets; , The rear copper column is used as a conductor to reduce impedance and voltage drop. It should be pointed out that for seamless installation, there is no need to set a limit slot for the shunt socket in the box to avoid occupying space.
进一步限定，所述分路插座的前双簧片包括分隔的上、下单簧片，所述后双簧片包括分隔的上、下单簧片，所述前双簧片的上、下单簧片的后端分别通过铆接连接前铜柱，所述后双簧片的上、下单簧片的后端分别通过铆接连接后铜柱。It is further defined that the front double reed of the branch socket includes separated upper and lower single reeds, the rear double reed includes separated upper and lower single reeds, and the upper and lower single reeds of the front double reeds The rear ends are respectively connected to the front copper pillars by riveting, and the rear ends of the upper and lower single reeds of the rear double reeds are respectively connected to the rear copper pillars by riveting.
上、下单簧片的后端不再采用焊接连接，改为采用铆接连接，有效减小压降；上、下双簧片同时采用分体的前、后单簧片，维修方便，并且只需要折弯成单一形状，减少生产工艺流程。The rear ends of the upper and lower single reeds are no longer connected by welding, but by riveting to effectively reduce the pressure drop; the upper and lower double reeds use split front and rear single reeds at the same time, which is convenient for maintenance and only requires Bending into a single shape, reducing the production process.
进一步限定，所述前双簧片的上单簧片和后双簧片的上单簧片的相对面折弯成上接触面，前端形成折弯部，所述前双簧片的下单簧片和后双簧片的下单簧片的相对面折弯成下接触面，前端形成折弯部，所述前双簧片的上单簧片和后双簧片的上单簧片通过上接触面导通，所述前双簧片的下单簧片和后双簧片的下单簧片通过下接触面导通。It is further defined that the opposite surfaces of the upper single reed of the front double reed and the upper single reed of the rear double reed are bent to form an upper contact surface, the front end forms a bending part, the lower single reed of the front double reed and the rear The opposite surface of the lower single reed of the double reed is bent into the lower contact surface, and the front end forms a bending portion. The upper single reed of the front double reed and the upper single reed of the rear double reed are conducted through the upper contact surface, so The lower single reed of the front double reed and the lower single reed of the rear double reed are conducted through the lower contact surface.
增大了上、下单簧片间的接触面积，有效减小阻抗和压降，专用插头插入采取先分流后串入的接入方式，当插头插入上接触面时，被测回路仍在正常运行，此时的标准电表已经串入了电路，形成了一个分流支路，当插头继续插入至下接触面时，标准表完全接入被测回路。可避免由于插入时接触不稳定，而形成的触发间隙电流回路开路现象。The contact area between the upper and lower single reeds is increased to effectively reduce the impedance and voltage drop. The special plug is inserted in the way of shunting first and then connecting in series. When the plug is inserted into the upper contact surface, the circuit under test is still normal At this time, the standard meter has been connected to the circuit in series to form a shunt branch. When the plug is inserted into the lower contact surface, the standard meter is completely connected to the circuit under test. It can avoid the open circuit phenomenon of the trigger gap current loop due to unstable contact during insertion.
进一步限定，所述前、后铜柱相对端分别设有与折弯部匹配的限位突起。It is further defined that the opposite ends of the front and rear copper pillars are respectively provided with limiting protrusions matching the bent parts.
通过设置限位突起，防止长时间专用插头插入取出的使用过程造成上、下单簧片整体变形。The limit protrusion is provided to prevent the overall deformation of the upper and lower single reeds caused by the long-term insertion and removal of the special plug.
进一步限定，所述底板包括上、下止位结构，所述上、下止位结构分别设在限位突起的两侧。It is further defined that the bottom plate includes upper and lower stop structures, and the upper and lower stop structures are respectively provided on both sides of the limit protrusion.
通过设置上、下止位结构，防止上、下单簧片局部变形。The local deformation of the upper and lower single reeds is prevented by setting the upper and lower stop structures.
本实用新型相比现有技术，简化现场操作，有效避免发生的设备和人身的不安全因素。Compared with the prior art, the utility model simplifies on-site operation and effectively avoids unsafe factors of equipment and personal.
附图说明Description of drawings
图1为本实用新型复合插座的组装示意图；Fig. 1 is the assembling schematic diagram of composite socket of the present invention;
图2为本实用新型复合插座的正视图；Fig. 2 is the front view of the utility model composite socket;
图3为本实用新型外壳底座的结构示意图；Fig. 3 is a schematic structural view of the housing base of the present invention;
图4为本实用新型外壳盖的结构示意图；Fig. 4 is a structural schematic diagram of the utility model housing cover;
图5为本实用新型分路插座的结构示意图；Fig. 5 is a structural schematic diagram of the utility model shunt socket;
图6为本实用新型分路插座的仰视图；Fig. 6 is a bottom view of the utility model branch socket;
图7为本实用新型底板的结构示意图。Fig. 7 is a structural schematic diagram of the bottom plate of the present invention.
具体实施方式Detailed ways
为了使本领域的技术人员可以更好地理解本实用新型，下面结合附图和实施例对本实用新型技术方案进一步说明。In order to enable those skilled in the art to better understand the utility model, the technical solution of the utility model will be further described below in conjunction with the drawings and embodiments.
如图1，图2，图3，图4，图5，图6所示，新型复合型终端接线盒，包括外壳底座1和外壳盖21，外壳底座1包括插座区域2和功能区域3，插座区域2两侧分别设有隔离挡板4，插座区域2内设有复合插座5，复合插座5包括十个独立的分路插座6。As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, and Fig. 6, the new composite terminal junction box includes a housing base 1 and a housing cover 21, the housing base 1 includes a socket area 2 and a functional area 3, the socket Isolation baffles 4 are provided on both sides of the area 2, and a composite socket 5 is provided in the socket area 2, and the composite socket 5 includes ten independent shunt sockets 6.
插座区域2的分路插座6和分路插座6之间设有三个限位挡板22。限位挡板22分别设置在第三个、第六个和第九个分路插座6后。Three limit baffles 22 are provided between the branch socket 6 and the branch socket 6 in the socket area 2 . Limiting baffles 22 are arranged behind the third, sixth and ninth branch sockets 6 respectively.
限位挡板22上设有凸起22a,外壳盖21上设有和凸起22a匹配的21a凹槽。The limit baffle 22 is provided with a protrusion 22a, and the housing cover 21 is provided with a groove 21a matching the protrusion 22a.
分路插座6包括前接线端7、后接线端8、前铜柱9、后铜柱10、插口11和底板12，插口11包括前双簧片13和后双簧片14，前双簧片13通过前铜柱9与前接线端7一端连接，前接线端7的另一端与计费关口电度表相连接，可读取电压、电流、脉冲和通讯等信号，后双簧片14通过后铜柱10与后接线端8一端连接，后接线端8的另一端与变电站二次计量回路相连接，传递电力回路的电压和电流信号。The shunt socket 6 includes a front terminal 7, a rear terminal 8, a front copper column 9, a rear copper column 10, a socket 11 and a base plate 12, the socket 11 includes a front double reed 13 and a rear double reed 14, and the front double reed 13 passes through the front The copper column 9 is connected to one end of the front terminal 7, and the other end of the front terminal 7 is connected to the billing gateway watt-hour meter, and signals such as voltage, current, pulse and communication can be read, and the rear double reed 14 passes through the rear copper column 10 It is connected to one end of the rear terminal 8, and the other end of the rear terminal 8 is connected to the secondary metering circuit of the substation to transmit the voltage and current signals of the power circuit.
分路插座6径向前、后表面是平面结构15，分路插座6的底板12是绝缘层。The radially front and rear surfaces of the branch socket 6 are planar structures 15, and the bottom plate 12 of the branch socket 6 is an insulating layer.
分路插座6的前双簧片13包括分隔的上单簧片13a和下单簧片13b，后双簧片14包括分隔的上单簧片14a和下单簧片14b，前双簧片13的上单簧片13a和下单簧片13b的后端分别通过铆接16连接前铜柱9，后双簧片14的上单簧片14a和下单簧片14b的后端分别通过铆接16连接后铜柱10。The front double reed 13 of shunt socket 6 comprises the upper single reed 13a and the lower single reed 13b of separation, and the rear double reed 14 comprises the upper single reed 14a and the lower single reed 14b of separation, and the upper single reed 13 of the front double reed 13 The rear ends of the reed 13a and the lower single reed 13b are respectively connected to the front copper column 9 by riveting 16, and the rear ends of the upper single reed 14a and the lower single reed 14b of the rear double reed 14 are respectively connected to the rear copper column 10 by riveting 16. .
前双簧片13的上单簧片13a和后双簧片14的上单簧片14a的相对面折弯成上接触面17，前端形成折弯部18，前双簧片13的下单簧片13b和后双簧片14的下单簧片14b的相对面折弯成下接触面19，前端形成折弯部18，前双簧片13的上单簧片13a和后双簧片14的上单簧片14a通过上接触面17导通，前双簧片13的下单簧片13b和后双簧片14的下单簧片14b通过下接触面19导通。The opposite surface of the upper single reed 13a of the front double reed 13 and the upper single reed 14a of the rear double reed 14 is bent into the upper contact surface 17, and the front end forms a bending portion 18, and the lower single reed 13b of the front double reed 13 and The opposite surface of the lower single reed 14b of the rear double reed 14 is bent into the lower contact surface 19, and the front end forms a bending portion 18, and the upper single reed 13a of the front double reed 13 and the upper single reed 14a of the rear double reed 14 pass through The upper contact surface 17 conducts, and the lower single reed 13 b of the front double reed 13 and the lower single reed 14 b of the rear double reed 14 conduct through the lower contact surface 19 .
专用插头插入采取先分流后串入的接入方式，当插头插入上接触面17时，被测回路仍在正常运行，此时的标准电表已经串入了电路，形成了一个分流支路，当插头继续插入至下接触面19时，标准表完全接入被测回路。可避免由于插入时接触不稳定，而形成的触发间隙电流回路开路现象。The special plug is inserted in the way of shunting first and then connecting in series. When the plug is inserted into the upper contact surface 17, the circuit under test is still running normally. At this time, the standard meter has been connected in series to form a shunt branch. When the plug continues to be inserted to the lower contact surface 19, the standard meter is completely connected to the circuit under test. It can avoid the open circuit phenomenon of the trigger gap current loop due to unstable contact during insertion.
前铜柱9和后铜柱10相对端分别设有与折弯部18匹配的限位突起20。The opposite ends of the front copper pillar 9 and the rear copper pillar 10 are respectively provided with limiting protrusions 20 matched with the bent portion 18 .
如图7所示，底板12包括上止位结构12a和下止位结构12b，上止位结构12a和下止位结构12b分别设在限位突起20的两侧。As shown in FIG. 7 , the bottom plate 12 includes an upper stop structure 12 a and a lower stop structure 12 b, and the upper stop structure 12 a and the lower stop structure 12 b are respectively arranged on two sides of the limit protrusion 20 .
具体操作过程如下，The specific operation process is as follows,
在电度表现场校验中，电压信号的现场校验采集采用并联方式，将电压信号并联至现场校验装置的电压输入端子，校验用一体式智能接线插头的端子在插入过程中，上、下两铜片分别通过导线连接至现场校验装置的电流输入、输出端子，其中：铜片顶开上接触面17时，电流信号分流至现场校验装置，下接触面19保持接触，保持关口电度表正常获取电流信号；插头继续往前插入，铜片顶开下接触面19，此时电流信号全部切换至现场校验装置，然后流向关口电度表，关口电度表和现场校验装置仍始终保持获取电流信号。整个过程电流信号始终处于连接状态（电流不断路）。In the on-site calibration of the electricity meter, the on-site calibration and collection of the voltage signal adopts a parallel connection method, and the voltage signal is connected in parallel to the voltage input terminal of the on-site calibration device. , and the lower two copper sheets are respectively connected to the current input and output terminals of the on-site verification device through wires, wherein: when the copper sheet pushes away the upper contact surface 17, the current signal is shunted to the on-site verification device, and the lower contact surface 19 is kept in contact, keeping The gate watt-hour meter normally obtains the current signal; the plug continues to be inserted forward, and the copper sheet pushes the lower contact surface 19. At this time, the current signal is all switched to the on-site calibration device, and then flows to the gate watt-hour meter, the gate watt-hour meter and the on-site calibration device. The testing device still keeps acquiring the current signal. The current signal is always connected during the whole process (the current is not broken).
以上对本实用新型提供的新型复合型终端接线盒进行了详细介绍。具体实施例的说明只是用于帮助理解本实用新型的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以对本实用新型进行若干改进和修饰，这些改进和修饰也落入本实用新型权利要求的保护范围内。The novel compound terminal junction box provided by the utility model has been introduced in detail above. The description of specific embodiments is only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193362.2UCN203786170U (en) | 2014-04-21 | 2014-04-21 | New Composite Terminal Junction Box |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420193362.2UCN203786170U (en) | 2014-04-21 | 2014-04-21 | New Composite Terminal Junction Box |
| Publication Number | Publication Date |
|---|---|
| CN203786170Utrue CN203786170U (en) | 2014-08-20 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420193362.2UExpired - LifetimeCN203786170U (en) | 2014-04-21 | 2014-04-21 | New Composite Terminal Junction Box |
| Country | Link |
|---|---|
| CN (1) | CN203786170U (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884886A (en)* | 2014-04-21 | 2014-06-25 | 国家电网公司 | Novel combined type terminal connecting box |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884886A (en)* | 2014-04-21 | 2014-06-25 | 国家电网公司 | Novel combined type terminal connecting box |
| CN103884886B (en)* | 2014-04-21 | 2017-12-12 | 国家电网公司 | New type compound terminal connection box |
| Publication | Publication Date | Title |
|---|---|---|
| US9385445B2 (en) | Composite intelligent terminal wiring device and plug device | |
| CN203025343U (en) | Compound type intelligent terminal junction device | |
| CN105182173B (en) | Novel composite mutual inductor polarity tester | |
| CN103884886B (en) | New type compound terminal connection box | |
| CN105428841A (en) | Cable grounding device | |
| CN203786170U (en) | New Composite Terminal Junction Box | |
| CN201886106U (en) | Direct current leakage current measuring device | |
| CN204244169U (en) | Photovoltaic power generation system and its connection box | |
| CN201820720U (en) | Residual current circuit breaker | |
| CN203787584U (en) | New Composite Socket | |
| CN206135121U (en) | Novel stromatolite is female to be arranged | |
| CN103887617B (en) | Multi-cable socket | |
| CN114325018A (en) | A busbar sharing modularized power metering box | |
| CN203056338U (en) | A secondary short-circuit sealing device for substation voltage transformers | |
| CN203786171U (en) | A composite terminal junction box | |
| CN202616018U (en) | Through-wall current transformer | |
| CN204614654U (en) | A plug-in current transformer device | |
| CN202034694U (en) | Dual power supply 10kV power distribution device | |
| WO2015051579A1 (en) | Safe dc combiner box | |
| CN201352713Y (en) | Photovoltaic array junction box | |
| CN207459402U (en) | A kind of anti-misoperation type measurent wiring box device | |
| CN202454898U (en) | Cable lapping plate | |
| CN202995025U (en) | Composite type intelligent terminal junction box | |
| CN222015897U (en) | A multi-way connection for transformation and expansion of 10kV feeder cabinet | |
| CN203895640U (en) | Grounding point switching device of secondary neutral grounding wire of voltage transformer |
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right | Effective date of registration:20160623 Address after:100017 West Chang'an Avenue, Beijing, No. 86, No. Patentee after:State Grid Corporation of China Patentee after:Electric Power Research Institute, State Grid Chongqing Electric Power Co., Ltd. Patentee after:CHONGQING ZHIWANG TECHNOLOGY CO., LTD. Address before:100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before:State Grid Corporation of China Patentee before:Electric Power Research Institute, State Grid Chongqing Electric Power Co., Ltd. Patentee before:CHONGQING YUDIAN ELECTRIC POWER TECHNOLOGY CO., LTD. | |
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | Granted publication date:20140820 Effective date of abandoning:20171212 |