CN207587661U - Electric energy meter breaker - Google Patents

Electric energy meter breaker Download PDF

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Publication number
CN207587661U
CN207587661U CN201721331850.5U CN201721331850U CN207587661U CN 207587661 U CN207587661 U CN 207587661U CN 201721331850 U CN201721331850 U CN 201721331850U CN 207587661 U CN207587661 U CN 207587661U
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China
Prior art keywords
baffle
breaker
screw
terminal
incoming cables
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CN201721331850.5U
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Chinese (zh)
Inventor
卢科军
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Zhejiang Chint Instrument & Meter Co Ltd
Zhejiang Chint Electrics Co Ltd
Shanghai Dianke Electrical Technology Co Ltd
Original Assignee
Zhejiang Chint Instrument & Meter Co Ltd
Zhejiang Chint Electrics Co Ltd
Shanghai Dianke Electrical Technology Co Ltd
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Application filed by Zhejiang Chint Instrument & Meter Co Ltd, Zhejiang Chint Electrics Co Ltd, Shanghai Dianke Electrical Technology Co Ltd filed Critical Zhejiang Chint Instrument & Meter Co Ltd
Priority to CN201721331850.5U priority Critical patent/CN207587661U/en
Application granted granted Critical
Publication of CN207587661U publication Critical patent/CN207587661U/en
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Abstract

The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of electric energy meter breaker, including breaker, breaker includes Shell of circuit breaker, Shell of circuit breaker includes wiring construction, and wire connection terminal is set in the middle part of wiring construction, and wire connection terminal includes input terminal and outlet terminal, the two includes terminal screw, terminal screw side setting screw gathering hole;Wiring construction further includes barrier structure, barrier structure includes baffle slideway and screw baffle, screw baffle can slide in baffle slideway, screw baffle includes baffle insertion end and baffle operating side, baffle insertion end sets anticreep boss, baffle installation of slide track anticreep block reinforcement, baffle operating side are connected with Shell of circuit breaker part by lead sealing mode;The electric energy meter breaker of the utility model can avoid no associated rights personnel from changing breaker connection and/or avoid happening for user misoperation breaker connecting terminal, ensure the Electrical Safety of user, convenient for the unified management of power department.

Description

Electric energy meter breaker
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of electric energy meter breaker.
Background technology
Breaker generally has the structure of instruction contact closure and open position state, with the development of intelligent grid, no Remote control signal is only needed to control breaker, it is also necessary to working condition residing for real-time monitoring breaker.
Wherein, the external breaker of electric energy meter then need to meet specific occasion or under the conditions of close a floodgate but do not feed back or feed back and is specific Signal function, and the external breaker of existing electric energy meter cannot meet above-mentioned function.
For example, after subscriber arrearage, after the expense control module of electric energy meter makes breaker open operation, to ensure the basic electricity of user, Breaker need to be allowed to close a floodgate again, and user load power supply is continued as under the premise of no more than setting power, and existing electricity Can the expense control module of table can receive the breaker closing signal of feedback signal-i.e. of feedback circuit input, cause to go out in electric energy meter Existing logical contradiction.
In practical operation, the setting power of above-mentioned breaker then shows as the setting electric current of breaker.After subscriber arrearage, Breaker is allowed to continue to power for user load under the premise of no more than setting power, that is, after subscriber arrearage, breaker is again After combined floodgate, operating current is less than setting electric current, then breaker can continue as customer power supply, and operating current is more than setting electricity Stream, then breaker open operation, cuts off the power supply to user load.The existing device for being used to detect breaker operating current, is deposited more Testing result is not accurate enough or device volume excessive the problems such as being not easy to install and using.
In addition, the wire connection terminal of the external breaker of electric energy meter is exposed to outer, easily occur to change without associated rights personnel disconnected Road device wiring stealing or the situation of user misoperation breaker terminal also influence the Electrical Safety of user, are also unfavorable for electricity The unified management of power department.
Invention content
The purpose of the utility model is to overcome a kind of electric energy meter breaker the defects of the prior art, is provided, nothing can be avoided Associated rights personnel change breaker connection and/or avoid happening for user misoperation breaker connecting terminal, ensure to use The Electrical Safety at family, convenient for the unified management of power department.
To achieve the above object, the utility model employs following technical solution:
A kind of electric energy meter breaker, including breaker 100, breaker 100 includes Shell of circuit breaker, Shell of circuit breaker packet Include wiring construction, setting wire connection terminal in the middle part of wiring construction, wire connection terminal includes input terminal and outlet terminal, input terminal and Outlet terminal includes terminal screw and wire frame, and the setting of terminal screw side operates for screwing the screw of terminal screw Mouthful;
The wiring construction further includes the barrier structure for blocking terminal screw, and barrier structure includes being arranged on screw behaviour Make the baffle slideway 6 in the middle part of mouth and be inserted into for blocking the screw baffle of terminal screw in baffle slideway 6, screw baffle can It is slided in baffle slideway 6 along perpendicular to terminal screw axially direction, screw baffle includes the gear for being separately positioned on its both ends Plate insertion end and baffle operating side, baffle insertion end downside setting anticreep boss, the inlet setting of baffle slideway 6 are convex with anticreep The anticreep block reinforcement of platform cooperation, baffle operating side is connected with the Shell of circuit breaker part of 6 inlet of baffle slideway by lead sealing mode.
Preferably, the wiring construction includes being separately positioned on end of incoming cables wiring construction and the outlet at Shell of circuit breaker both ends Cable architecture is terminated, input terminal and outlet terminal are separately positioned in end of incoming cables wiring construction and leading-out terminal wiring construction, inlet wire Terminate cable architecture and the mutually symmetrical structure of leading-out terminal wiring construction;
The inlet wire end structure includes a wire connection terminal, an end of incoming cables screw operation for being arranged on input terminal side Mouth and the end of incoming cables barrier structure being arranged in the middle part of the screw gathering hole of end of incoming cables, end of incoming cables screw gathering hole is one and inlet wire The pore structure that terminal is correspondingly arranged.
Preferably, the end of incoming cables barrier structure includes being arranged on the inlet wire end-stopping plate slideway in the middle part of inlet wire screw gathering hole And it is inserted into the end of incoming cables screw baffle 51 in inlet wire end-stopping plate slideway;
The end of incoming cables screw baffle 51 includes first baffle main body 510, and first baffle main body 510 includes being separately positioned on Its axial first baffle insertion end at both ends and first baffle operating side, first baffle insertion end set two the first anticreep boss 512, first baffle operating side sets the first lead seal hole 511, and end of incoming cables screw baffle 51 is axially symmetric structure;The inlet wire terminal block The side of the close input terminal of plate slideway is arranged in parallel two rows of protrusions 106, two rows of protrusions 106 be located at input terminal both sides and with Two the first anticreep boss 512 are used cooperatively, and each row's protrusion 106 includes two protrusions 106, and one is arranged on inlet wire terminal block The arrival end of plate slideway, another is arranged on the tail end of inlet wire end-stopping plate slideway, the inlet setting of inlet wire end-stopping plate slideway with First anticreep block reinforcement of the first anticreep boss 512 cooperation, 512 holding of the first anticreep boss is positioned at end of incoming cables baffle chute inlet Between the 106 and first anticreep block reinforcement of protrusion at end, the first baffle insertion end of end of incoming cables screw baffle 51 is made to be inserted in inlet wire terminal block The inlet of plate slideway, the terminal screw of input terminal be exposed to it is outer, positioned at the protrusion 106 of inlet wire end-stopping plate slideway tail end and the One anticreep boss 512 coordinates, and end of incoming cables screw baffle 51 is made to block input terminal completely.
Preferably, the wiring construction includes being separately positioned on end of incoming cables wiring construction and the outlet at Shell of circuit breaker both ends Cable architecture is terminated, input terminal and outlet terminal are separately positioned in end of incoming cables wiring construction and leading-out terminal wiring construction, inlet wire Terminate cable architecture and the mutually symmetrical structure of leading-out terminal wiring construction;
The inlet wire end structure include along Shell of circuit breaker thickness direction lineal layout two input terminals, be arranged on into The end of incoming cables screw gathering hole of line terminals side and the end of incoming cables barrier structure being arranged in the middle part of the screw gathering hole of end of incoming cables, into Line end screw gathering hole includes the first screw gathering hole 1051 being correspondingly arranged respectively with two input terminals and the second screw behaviour Make mouth 1052.
Preferably, the inlet wire end-stopping plate that the end of incoming cables barrier structure includes being arranged in the middle part of the screw gathering hole of end of incoming cables is slided Road and the end of incoming cables screw baffle 51 being inserted into inlet wire end-stopping plate slideway;
The end of incoming cables screw baffle 51 includes first baffle main body 510, and first baffle main body 510 includes being separately positioned on Its axial first baffle insertion end at both ends and first baffle operating side, first baffle insertion end set the first anticreep boss 512, First baffle operating side sets the first lead seal hole 511, and inlet wire screw baffle 51 is axially symmetric structure;
One middle side part of the close end of incoming cables wire connection terminal of the inlet wire end-stopping plate slideway sets at least one protrusion 106, Protrusion 106 is arranged on entering close to inlet wire end-stopping plate slideway between the first screw gathering hole 1051 and the second screw gathering hole 1052 Mouthful, the first anticreep block reinforcement of the setting of the inlet of inlet wire end-stopping plate slideway and the cooperation of the first anticreep boss 512, protrusion 106 and the Gap between one anticreep block reinforcement is matched with the first anticreep boss 512.
Preferably, the first lead sealing with Shell of circuit breaker one is additionally provided on the outside of the entrance of the inlet wire end-stopping plate slideway Muscle, the first lead sealing secondary orifices of the setting of the first lead sealing muscle and the cooperation of the first lead seal hole 511.
Preferably, the first baffle operating side setting first baffle chuck of the end of incoming cables screw baffle 51, with end of incoming cables The outer side contacts of the entrance of baffle slideway are connected.
Preferably, it further includes for breaker 100 to be driven to close a floodgate/the driving device 200 of separating brake, driving device 200 includes Control circuit board 201 and the drive mechanism being connected with control circuit board 201, control circuit board take control module phase with electric energy meter Even.
Preferably, the drive mechanism includes the motor 206 being electrically connected with control circuit board 201, motor 206 and transmission gear Group driving is connected, and driving gear set includes third transmission gear 2073, third transmission gear 2073 and combined floodgate actuator 204, de- It detains the driving of actuator 205 to be connected, combined floodgate actuator 204 and the operation handle of breaker 100 are connected;
The control circuit board 201 of the driving device 200 drives third transmission gear 2073 to side by motor 206 Rotation, the operation handle that driving combined floodgate actuator 204 makes breaker 100 swing the combined floodgate for realizing breaker 100;The control Wiring board 201 drives third transmission gear 2073 to be rotated to opposite side by motor 206, dropout actuator 205 is driven to trigger disconnected Road device 100, which is threaded off, realizes the separating brake of breaker 100.
Preferably, the breaker further includes arc extinguishing structure, and arc extinguishing structure includes arc extinguishing structure housing and be arranged on to go out The arc extinguishing grid pieces of multiple parallel intervals setting inside arc structure housing.
The electric energy meter breaker of the utility model, including Shell of circuit breaker, Shell of circuit breaker setting wiring construction, wiring knot Wire connection terminal is set in structure, wiring construction further include for block wire connection terminal terminal screw barrier structure, barrier structure Including screw baffle, the operating side of screw baffle is connected with Shell of circuit breaker by lead sealing mode, avoids no associated rights personnel The wiring of arbitrary modification breaker also avoids the wire connection terminal of user misoperation breaker, is conducive to improve the electricity consumption peace of user Quan Xing is managed collectively convenient for power department.In addition, the breaker further includes arc extinguishing structure, arc extinguishing structure includes multiple parallel Spaced arc extinguishing grid pieces can extinguish rapidly the electric arc generated by breaker open operation, and be conducive to extension breaker uses the longevity Life and the Electrical Safety for ensureing user;The screw baffle of the barrier structure insertion end setting anticreep boss, anticreep boss with Anticreep block reinforcement cooperation at baffle chute inlet, prevents screw baffle from coming off from baffle slideway;The anticreep block reinforcement and baffle The protrusions match of chute inlet side by the holding of anticreep boss between, avoids screw barrier slides from influencing user's operation and connects Line terminals.
Description of the drawings
Fig. 1 is the structure diagram of the external breaker of the utility model electric energy meter;
Fig. 2 is the circuit diagram of the utility model feedback circuit;
Fig. 3 is the assembling structure schematic diagram of the utility model current transformer;
Fig. 4 is the structure diagram of the utility model barrier structure;
Fig. 5 is the structure diagram of the utility model screw baffle;
Fig. 6 is the schematic diagram that the utility model screw baffle pulls out state;
Fig. 7 is the schematic diagram of the utility model screw baffle insert state;
Fig. 8 is the module diagram of the external breaker of the utility model electric energy meter;
Fig. 9 is the structure diagram of the utility model driving device;
Figure 10 is another structure diagram of the utility model driving device;
Figure 11 is the third structure diagram of the utility model driving device
Figure 12 is the structure diagram of the utility model screw baffle slideway;
Figure 13 is the high-level schematic functional block diagram of the utility model control circuit;
Figure 14 is another structure diagram of the utility model screw baffle.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 11 provides, the external breaker of electric energy meter of the utility model is further illustrated Specific embodiment.The electric energy meter breaker of the utility model is not limited to the following description.
As shown in Fig. 1,2,8, the electric energy meter breaker of the utility model is the external breaker of electric energy meter, including breaker 100 and for breaker 100 to be driven to close a floodgate/the driving device 200 of separating brake, driving device 200 is connected with electric energy meter, electric energy Table controls breaker 100 to carry out the/separating brake that closes a floodgate by driving device 200.
The breaker includes input terminal and outlet terminal, and electric energy meter includes taking control module, and driving device 200 includes Control circuit board 201 and the drive mechanism being electrically connected with control circuit board 201, control circuit board 201 be equipped with control circuit and Feedback circuit;The input terminal of the breaker 100 is electrically connected with control circuit, and working power is provided for it, control circuit and takes Control module is connected, and drive mechanism is connected with the driving of breaker 100, and the control signal of control circuit reception fee control module passes through biography Dynamic structure driving breaker 100 closes a floodgate/separating brake, and the signal input part of feedback circuit is connected with the outlet terminal of breaker 100, adopts Collect combined floodgate/sub-gate signal of the breaker 100 of action signal-i.e. of breaker 100, output terminal controls module and be connected and will be breaking with taking The action signal of device 100 is transferred to expense control module.
As shown in Fig. 2, the control circuit of the control circuit board 201 is connected with feedback circuit, the letter of feedback control circuit The ON/OFF of number output terminal.After subscriber arrearage, electric energy meter take control module by driving device drive breaker open operation after, For the basic electricity of guarantee user, breaker need to be allowed to continue combined floodgate work under the premise of no more than setting power, and it is existing The breaker closing signal of feedback signal-i.e. for taking control module and receiving feedback circuit input of electric energy meter, leads to appearance in electric energy meter Logical contradiction.The external breaker of electric energy meter of the utility model, the control circuit of control circuit board are connected with feedback circuit, and Can be with the ON/OFF of the signal output end of feedback control circuit, it is expense control module feedback to allow feedback circuit selectivity Breaker actuation signal, i.e.,:When user load power is no more than setting power, after breaker closing, control circuit control The signal output end of feedback circuit disconnects, and feedback circuit cannot be to the switching signal for taking control module feedback breaker;When user bears It is more than when setting power to carry power, and after breaker closing, the signal output end conducting of control circuit feedback control circuit is fed back Circuit after expense control module receives the switching signal of breaker, passes through control to the switching signal for taking control module feedback breaker Circuit control drive mechanism driving breaker open operation;The selective feedback system of the external breaker of electric energy meter of the utility model was both It ensure that the basic electricity demand after subscriber arrearage, electric energy meter will not be made logical contradiction occur.
Preferably, as shown in Fig. 2, the feedback circuit include current-limiting resistance R0 and connect with current-limiting resistance R0 partly Conductor switchs, and the control terminal of control circuit and semiconductor switch is electrically connected, and controls its ON/OFF.
Preferably, as shown in Fig. 2, the semiconductor switch is triode VT, the collector a poles of triode VT pass through limit Leakage resistance R0 and the outlet terminal of breaker 100 are electrically connected, and base stage b poles are electrically connected with control circuit, and emitter c poles are with taking control module phase Even.It should be pointed out that according to the difference of triode-type, a poles and c poles of the triode VT can also be emitter respectively And collector or other title.
Preferably, the semiconductor switch can also be silicon-controlled.
As shown in figure 3, the breaker 100 includes input terminal and outlet terminal, between input terminal and outlet terminal It sets for detecting the operating current signal of breaker 100 and being transferred to the current transformer 103 of driving device 200, driving dress Put 200 include for judge breaker 100 operating current whether be more than setting electric current control circuit and with control circuit connect The drive mechanism connect, control circuit are connected with the signal output end of the expense control module of electric energy meter, current transformer 103 and control line The control circuit of road plate 201 is connected, and control circuit receives the sub-gate signal of expense control module, and receives current transformer 103 When the operating current detected is less than setting electric current, 100 separating brake of breaker is driven by drive mechanism.In subscriber arrearage state Under, the external breaker of electric energy meter of the utility model starts monitoring loop electricity consumption situation, when the operating current or use of breaker 100 When the power of family load is less than setting electric current or setting power, breaker 100 keeps "on" position to continue to power, and works as breaker When 100 operating current or the power of user load are more than setting power, driving device makes breaker open operation, stops power supply. That is when there is expense control signal (the non-arrearage of user), driving device 200 stops sampling or judges the defeated of current transformer 103 Enter signal, only without when taking control signal (subscriber arrearage), when user closes a floodgate again after breaker open operation, driving device 200 is opened Begin to receive the input signal of current transformer 103 and be judged, when the operating current of breaker 100 is more than setting electric current, Driving device 200 makes 100 separating brake of breaker, stops power supply, when the operating current of breaker 100 is less than setting electric current, open circuit Device 100 keeps "on" position, continues to power, power after subscriber arrearage, to be allowed to be less than the user load of setting power just It often uses, so as to ensure that the basic electricity after subscriber arrearage, and the timely electricity payment of user can be reminded.Further, institute Current transformer and control circuit board cooperation are stated, the use of limitation large current load is can be also used for, to realize power department Electric power resource is allocated.
Preferably, the current transformer measures the nominal operation that current range is less than breaker more than the setting electric current Electric current uses just for the large current load in the case of arrearage, can greatly reduce current transformer volume, small-sized to meet The miniature requirement of breaker.
As shown in figure 13, a kind of embodiment of control circuit is, the control circuit include microcontroller, signal processor and Current threshold comparing unit, signal processor are connected with electric energy meter, connect suspension control signal and output feedback signal, Current Mutual Inductance Device is connected with current threshold comparing unit, and the signal that current threshold comparing unit inputs current transformer judges, electric current Threshold value comparison unit is connect with microcontroller, and microcontroller is connected with drive mechanism.Only when without take control signal, i.e. electric supply meter arrearage In the case of, when operating current is more than setting electric current threshold value, microcontroller receives the signal of current threshold comparing unit and controls biography Dynamic structure performs action, makes breaker open operation.The embodiment of another control circuit is, the control circuit include microcontroller and Signal processor can not also include current threshold comparing unit, and signal processor be connected with electric energy meter, current transformer and Microcontroller connects, and the signal that microcontroller inputs current transformer judges.
The embodiment of another control circuit is, the control circuit includes comparison circuit, the comparison circuit include than Compared with device or comparable chip, two input terminals of comparison circuit compare respectively with current transformer and setting electric current reference connection The output terminal of circuit is connected with microcontroller, and single-chip microcomputer output is connected with drive mechanism.
A kind of embodiment of control circuit is that the control circuit includes comparison circuit, and the comparison circuit includes comparing Device or comparable chip, two output terminals of comparison circuit respectively with current transformer and setting electric current reference connection, in electric current The control switch of semiconductor is additionally provided between mutual inductor and comparison circuit, the control terminal of switch is controlled to be connect with expense control module, than Output terminal compared with circuit is connect with feedback circuit and drive mechanism, without setting microcontroller.Control circuit mainly realizes threshold value Compare and whether the signal of arrearage with or logical process, it can be achieved that scheme it is more, those skilled in the art can be according to need It asks and is designed and adjusts, it be not described in detail herein.
Preferably, as shown in figure 3, the breaker 100 further includes magnetictrip 105, magnetictrip 105 is with breaking The outlet terminal of road device 100 is electrically connected, and current transformer 103 is arranged between magnetictrip 105 and outlet terminal.
Preferably, the setting electric current≤5A.The operating current of the breaker 100 reaches current transformer after certain value Core sataration, saturation current value be more than setting electric current and less than breaker 100 rated operational current.
As shown in Fig. 4-7 and 12, the breaker 100 further includes Shell of circuit breaker, and Shell of circuit breaker includes wiring construction, Setting wire connection terminal in the middle part of wiring construction, wire connection terminal include input terminal and outlet terminal, and input terminal and outlet terminal are equal Including terminal screw and wire frame, wiring construction further includes the barrier structure for blocking terminal screw, and guard mechanism includes gear Plate slideway 6 and the screw baffle being inserted into baffle slideway 6, screw baffle include baffle operating side and baffle insertion end, gear Plate operating side is connected with Shell of circuit breaker by lead sealing mode.The barrier structure can prevent lack of competence personnel reconfiguration open circuit privately The wiring of device 100 and/or user misoperation terminal screw is avoided, be also beneficial to ensure the Electrical Safety of user, convenient for electric power The unified management of department.
As shown in figure 4, the breaker 100 includes Shell of circuit breaker, Shell of circuit breaker includes being separately positioned on the upper end With the end of incoming cables wiring construction of lower end and leading-out terminal wiring construction, end of incoming cables wiring construction and leading-out terminal wiring construction are mutually symmetrical Structure.
As shown in Fig. 4,6 and 7, the end of incoming cables wiring construction is including along breaker thickness of the shell direction, straight line divides from left to right Two input terminals, the screw gathering hole being arranged on front side of input terminal and the inlet wire being arranged in the middle part of screw gathering hole of cloth Barrier structure is held, end of incoming cables screw gathering hole includes being separately positioned on the first screw gathering hole 1051 on front side of two input terminals With the second screw gathering hole 1052.The end of incoming cables barrier structure includes being arranged on the end of incoming cables in the middle part of the screw gathering hole of end of incoming cables Baffle slideway and the end of incoming cables screw baffle 51 being inserted into inlet wire end-stopping plate slideway.
As shown in figure 5, the end of incoming cables screw baffle 51 is axially symmetric structure, including first baffle main body 510, axial direction Left end and right end be first baffle operating side and first baffle insertion end respectively, first baffle operating side sets the first lead seal hole 511, the first anticreep boss 512 of first baffle insertion end downside setting.The end of incoming cables screw baffle 51 is axially symmetric structure, is made It both can be used for end of incoming cables barrier structure, can be used for leading-out terminal barrier structure, advantageously reduce number of parts, save life Produce cost.As shown in fig. 6-7, the inlet wire end-stopping plate slideway includes being arranged on the first anticreep block reinforcement on the left of its entrance and setting Two protrusions 106 of the middle side part under inlet wire end-stopping plate slideway are put, the protrusion 106 in left side is arranged on inlet wire end-stopping plate chute inlet Near, the gap between the protrusion 106 and the first anticreep block reinforcement is matched with the first anticreep boss 512, and the protrusion 106 on right side is set It puts near inlet wire end-stopping plate slideway tail end.The first anticreep block reinforcement and the first anticreep boss of end of incoming cables screw baffle 51 512 cooperations, prevent end of incoming cables screw baffle 51 from being fallen from the inlet of inlet wire end-stopping plate slideway.As shown in fig. 6, in end of incoming cables spiral shell When nail baffle 51 is pulled out from inlet wire end-stopping plate slideway, 512 holding of the first anticreep boss is in 106 and first anticreep of protrusion in left side Between block reinforcement, end of incoming cables screw baffle 51 is located in shown position, is avoided when user screws terminal screw, end of incoming cables spiral shell The Slideslip to the right of baffle 51 is followed closely, influences user's operation;It is slided as shown in fig. 7, being inserted into inlet wire end-stopping plate in end of incoming cables screw baffle 51 Behind road, 512 holding of the first anticreep boss makes end of incoming cables screw baffle 51 be maintained at diagram position on the right side of the protrusion 106 on right side It puts, is conducive to user and lead sealing operation is carried out to the first lead sealing muscle at end of incoming cables screw baffle and inlet wire end-stopping plate chute inlet.
Preferably, the embodiment of another terminals wiring construction is that the end of incoming cables wiring construction includes an inlet wire Terminal and a screw gathering hole for being arranged on input terminal side, screw gathering hole are to be correspondingly arranged at connecing for input terminal The pore structure of line screw side, screw gathering hole middle part setting end of incoming cables barrier structure, end of incoming cables barrier structure include being arranged on Inlet wire end-stopping plate slideway in the middle part of the screw gathering hole of end of incoming cables and the end of incoming cables screw gear being inserted into inlet wire end-stopping plate slideway Plate 51.As shown in figure 14, the end of incoming cables screw baffle 51 is axially symmetric structure, including first baffle main body 510, axial direction Left end and right end be first baffle operating side and first baffle insertion end respectively, first baffle operating side sets the first lead seal hole 511, two the first anticreep boss 512 of setting on the downside of first baffle insertion end, two the first anticreep boss 512 are symmetricly set on the The both ends of width direction on the downside of one baffle insertion end.As shown in Figures 6 and 7, the inlet wire end-stopping plate slideway enters including being arranged on it The first anticreep block reinforcement in mouth left side and the two rows of protrusions 106 being arranged on the downside of inlet wire end-stopping plate slideway, each row's protrusion 106 Include two protrusions 106, one of them is arranged near inlet wire end-stopping plate chute inlet, another is arranged on inlet wire end-stopping plate Near slideway tail end, two rows of protrusions 106 coordinate respectively with two the first anticreep boss 512 of end of incoming cables screw baffle 51.
Preferably, as shown in Fig. 4 and 12, setting the on the outside of the inlet wire end-stopping plate chute inlet of the end of incoming cables barrier structure One lead sealing muscle, the first lead sealing muscle set the first lead sealing secondary orifices, user can by the first lead seal hole of end of incoming cables screw baffle 51 and First lead sealing secondary orifices carries out lead sealing to end of incoming cables screw baffle 51 and the first lead sealing muscle, avoids lack of competence personnel by end of incoming cables screw Baffle 51 pulls out, and operates the terminal screw of input terminal, also avoids user and carries out maloperation to the input terminal of breaker, just In the unified management of power department.
It should be pointed out that the barrier structure of the utility model and not only limiting the use of in the external breaker of electric energy meter, other are needed Wiring construction to be protected, such as wiring construction of the wiring construction of electric energy meter, residual current action breaker etc..
Preferably, as shown in figs. 9-11, the drive mechanism of the driving device 200 includes driving device pedestal, Yi Jishe It puts the combined floodgate actuator 204 in driving device base interior, dropout actuator 205, motor 206 and is drivingly connected with motor 206 Driving gear set, driving device pedestal further includes the driving device cover coordinated with it, and driving gear set includes and motor 206 The first transmission gear 2071 of output shaft gear connection, the second transmission gear for being connect with 2071 gear of the first transmission gear 2072 and the third transmission gear 2073 that is connect with 2072 gear of the second transmission gear, control circuit and the electricity of control circuit board Machine 206 is electrically connected, control motor 206 action realize forward, reverse or stop stops, third transmission gear 2073 by drive link 208 with The driving of combined floodgate actuator 204 is connected, and third transmission gear 2073 is drivingly connected with dropout actuator 205, and combined floodgate actuator 4 is with breaking The operating mechanism 104 of road device 100 links.
The driving device 200 drives the action process that breaker 100 closes a floodgate, and control circuit control motor 206 rotates forward, Third transmission gear 2073 is driven to be rotated to side, so as to which combined floodgate actuator 204 be driven to make the operating mechanism 104 of breaker 100 The combined floodgate of breaker 100 is realized in action;Driving device 200 drives the action process of 100 separating brake of breaker, control circuit control Motor 206 inverts, and driving third transmission gear 2703 is rotated to opposite side, and third transmission gear 2703 is turned to be driven with threading off Part 205 connects, and triggers the dropout of breaker 100 by dropout actuator 205 and realizes 100 separating brake of breaker.The motor 206 Rotate and reverse opposite both direction in the action process for referring to description driving switch closing and switch opening, do not imply that motor 206 Rotating forward then drives third transmission gear 2703 to rotate counterclockwise, and reversion then drives third transmission gear 2703 to rotate clockwise.Institute Combined floodgate actuator 204 and dropout actuator 205 is stated to drive by shared drive mechanism, realize the combined floodgate of breaker 100/point Lock, it is simple in structure, simplify the control structure of driving device 200, monolithic case size is small, external disconnected especially suitable for electric energy meter Road device, while combined floodgate actuator 204 and dropout actuator 205 are put toward two opposite directions during automatic closing and separating brake It is dynamic, it ensures that the driving process of switch closing and switch opening is reliable and orderly, avoids interfering.
The dropout actuator 205 can push the release lever of breaker 100 under the driving of third transmission gear 2073, make to break Road device 100 completes trip action, and release lever can be the lock or trip action of the operating mechanism 104 of breaker 100 Drive link.The operation handle of the operating mechanism 104 of the combined floodgate actuator 204 and breaker 100 links, can directly or It connects in succession, the operation handle of breaker can be driven to close a floodgate under the driving of third transmission gear 2073.
As shown in figure 9, the third transmission gear 2073 is connected by drive link 208 with the driving of combined floodgate actuator 204, In, drive link 208 is connect with 204 separate type of combined floodgate actuator, after the completion of making feed motion, combined floodgate actuator 204 and drive link 208 separation, do not influence the reset of manual operation and the dropout of combined floodgate actuator 204.Specifically, one end of the drive link 208 It is connected on third transmission gear 2073, the other end of drive link 208 is stretched into the track groove of driving device pedestal, is closed a floodgate and is driven One end of moving part 204 is rotatably installed on the bottom plate of driving device pedestal, and is connected with the operation handle of breaker, is closed a floodgate The other end of actuator 204 is located at the top of track groove, and third transmission gear 2073 can drive drive link 208 to be slided along track groove To being connected with combined floodgate actuator 204, so as to which combined floodgate actuator 4 be pushed to swing.
As shown in FIG. 10 and 11, one end of the dropout actuator 205 is rotatably installed on the bottom plate of driving device pedestal, And by reduction torsion spring 2050 and driving device pedestal elastic connection, the other end of dropout actuator 205 is located at third driving cog The lower section of wheel 2073 and the second driving protrusion 2075 of third transmission gear 2073 coordinate, and corresponding with the release lever of breaker Setting, 2075 rotation of the second driving protrusion of third transmission gear 2073 with dropout actuator 205 to connecting, so as to band Dynamic dropout actuator 205 pushes the release lever of breaker, to complete the trip action of breaker.
It should be pointed out that the control circuit control motor 206 is rotated forward, overturn or stalled as the ordinary skill in the art Means are not just repeating again.
Preferably, as shown in figure 3, the external breaker of the electric energy meter of the utility model, further includes and be arranged on magnetictrip The arc extinguishing structure 106 of 105 downsides, arc extinguishing structure 106 includes arc extinguishing structure housing and multiple parallel intervals are arranged on arc extinguishing knot The arc extinguishing grid pieces of structure enclosure interior.The arc extinguishing structure 106 is conducive to extinguish the electric arc generated by breaker open operation rapidly, favorably In the Electrical Safety for ensureing user, extend the service life of breaker.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims (10)

1. a kind of electric energy meter breaker, including breaker (100), breaker (100) includes Shell of circuit breaker, Shell of circuit breaker Including wiring construction, wire connection terminal is set, wire connection terminal includes input terminal and outlet terminal, input terminal in the middle part of wiring construction Include terminal screw and wire frame with outlet terminal, the setting of terminal screw side operates for screwing the screw of terminal screw Mouthful;It is characterized in that:
The wiring construction further includes the barrier structure for blocking terminal screw, and barrier structure includes being arranged on screw gathering hole It the baffle slideway (6) at middle part and is inserted into for blocking the screw baffle of terminal screw in baffle slideway (6), screw baffle can It is slided in baffle slideway (6) along perpendicular to terminal screw axially direction, screw baffle includes being separately positioned on its both ends Baffle insertion end and baffle operating side, baffle insertion end downside setting anticreep boss, the inlet setting of baffle slideway (6) is with preventing The anticreep block reinforcement of de- boss cooperation, baffle operating side and the Shell of circuit breaker part of baffle slideway (6) inlet pass through lead sealing side Formula is connected.
2. electric energy meter breaker according to claim 1, it is characterised in that:The wiring construction includes being separately positioned on disconnected The end of incoming cables wiring construction at road device housing both ends and leading-out terminal wiring construction, input terminal and outlet terminal are separately positioned on inlet wire It terminates in cable architecture and leading-out terminal wiring construction, end of incoming cables wiring construction and the mutually symmetrical structure of leading-out terminal wiring construction;
The inlet wire end structure include a wire connection terminal, be arranged on an end of incoming cables screw gathering hole of input terminal side with And the end of incoming cables barrier structure in the middle part of the screw gathering hole of end of incoming cables is arranged on, end of incoming cables screw gathering hole is one and input terminal The pore structure being correspondingly arranged.
3. electric energy meter breaker according to claim 2, it is characterised in that:The end of incoming cables barrier structure includes being arranged on Inlet wire end-stopping plate slideway in the middle part of inlet wire screw gathering hole and the end of incoming cables screw baffle being inserted into inlet wire end-stopping plate slideway (51);
The end of incoming cables screw baffle (51) includes first baffle main body (510), and first baffle main body (510) including setting respectively Axially the first baffle insertion end at both ends and first baffle operating side, first baffle insertion end set two the first anticreeps convex Platform (512), first baffle operating side set the first lead seal hole (511), and end of incoming cables screw baffle (51) is axially symmetric structure;It is described Two rows of protrusions (106) are arranged in parallel in the side of the close input terminal of inlet wire end-stopping plate slideway, and two rows of protrusions (106) are positioned at inlet wire It terminal both sides and being used cooperatively with two the first anticreep boss (512), each row's protrusion (106) includes two protrusions (106), One arrival end for being arranged on inlet wire end-stopping plate slideway, another is arranged on the tail end of inlet wire end-stopping plate slideway, inlet wire end-stopping plate First anticreep block reinforcement of the inlet setting and the cooperation of the first anticreep boss (512) of slideway, first anticreep boss (512) holding exist Between the protrusion (106) and the first anticreep block reinforcement at inlet wire end-stopping plate chute inlet end, make end of incoming cables screw baffle (51) First baffle insertion end is inserted in the inlet of inlet wire end-stopping plate slideway, and the terminal screw of input terminal is exposed to outside, positioned at inlet wire The protrusion (106) of end-stopping plate slideway tail end coordinates with the first anticreep boss (512), and end of incoming cables screw baffle (51) is made to block completely Input terminal.
4. electric energy meter breaker according to claim 1, it is characterised in that:The wiring construction includes being separately positioned on disconnected The end of incoming cables wiring construction at road device housing both ends and leading-out terminal wiring construction, input terminal and outlet terminal are separately positioned on inlet wire It terminates in cable architecture and leading-out terminal wiring construction, end of incoming cables wiring construction and the mutually symmetrical structure of leading-out terminal wiring construction;
The inlet wire end structure includes two input terminals along Shell of circuit breaker thickness direction lineal layout, is arranged on end of incoming cables The end of incoming cables screw gathering hole of sub- side and the end of incoming cables barrier structure being arranged in the middle part of the screw gathering hole of end of incoming cables, end of incoming cables Screw gathering hole includes the first screw gathering hole (1051) being correspondingly arranged respectively with two input terminals and the operation of the second screw Mouth (1052).
5. electric energy meter breaker according to claim 4, it is characterised in that:The end of incoming cables barrier structure includes being arranged on Inlet wire end-stopping plate slideway in the middle part of the screw gathering hole of end of incoming cables and the end of incoming cables screw gear being inserted into inlet wire end-stopping plate slideway Plate (51);
The end of incoming cables screw baffle (51) includes first baffle main body (510), and first baffle main body (510) including setting respectively Axially the first baffle insertion end at both ends and first baffle operating side, first baffle insertion end set the first anticreep boss (512), first baffle operating side sets the first lead seal hole (511), and inlet wire screw baffle (51) is axially symmetric structure;
One middle side part of the close end of incoming cables wire connection terminal of the inlet wire end-stopping plate slideway sets at least one protrusion (106), dashes forward (106) are played to be arranged between the first screw gathering hole (1051) and the second screw gathering hole (1052) close to inlet wire end-stopping plate slideway Entrance, inlet wire end-stopping plate slideway inlet setting with the first anticreep boss (512) cooperation the first anticreep block reinforcement, protrusion (106) gap between the first anticreep block reinforcement is matched with the first anticreep boss (512).
6. the electric energy meter breaker according to claim 3 or 5, it is characterised in that:The entrance of the inlet wire end-stopping plate slideway Outside is additionally provided with the first lead sealing muscle with Shell of circuit breaker one, the setting of the first lead sealing muscle and the first lead seal hole (511) cooperation First lead sealing secondary orifices.
7. the electric energy meter breaker according to claim 3 or 5, it is characterised in that:The end of incoming cables screw baffle (51) First baffle operating side sets first baffle chuck, is connected with side contacts outside the entrance of inlet wire end-stopping plate slideway.
8. electric energy meter breaker according to claim 1, it is characterised in that:It further includes that breaker (100) is driven to close The driving device (200) of lock/separating brake, driving device (200) including control circuit board (201) and with control circuit board (201) Connected drive mechanism, control circuit board are connected with the expense control module of electric energy meter.
9. electric energy meter breaker according to claim 8, it is characterised in that:The drive mechanism includes and control circuit board (201) motor (206) being electrically connected, motor (206) are connected with driving gear set driving, and driving gear set includes third transmission gear (2073), third transmission gear (2073) is connected with combined floodgate actuator (204), dropout actuator (205) driving, combined floodgate actuator (204) operation handle with breaker (100) is connected;
The control circuit board (201) of the driving device (200) drives third transmission gear (2073) to one by motor (206) Side rotates, and the operation handle that driving combined floodgate actuator (204) makes breaker (100) swings the combined floodgate for realizing breaker (100);Institute State control circuit board (201) drives third transmission gear (2073) to be rotated to opposite side by motor (206), drives driving of threading off Part (205) triggering breaker (100), which is threaded off, realizes the separating brake of breaker (100).
10. electric energy meter breaker according to claim 1, it is characterised in that:The breaker further includes arc extinguishing structure, goes out Arc structure includes arc extinguishing structure housing and is arranged on the arc extinguishing grid pieces of multiple parallel intervals setting of arc extinguishing structure enclosure interior.
CN201721331850.5U 2017-10-17 2017-10-17 Electric energy meter breaker Active CN207587661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721331850.5U CN207587661U (en) 2017-10-17 2017-10-17 Electric energy meter breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721331850.5U CN207587661U (en) 2017-10-17 2017-10-17 Electric energy meter breaker

Publications (1)

Publication Number Publication Date
CN207587661U true CN207587661U (en) 2018-07-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721331850.5U Active CN207587661U (en) 2017-10-17 2017-10-17 Electric energy meter breaker

Country Status (1)

Country Link
CN (1) CN207587661U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109342794A (en) * 2018-08-24 2019-02-15 浙江正泰电器股份有限公司 Switching device, electric energy meter take control system and its control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109342794A (en) * 2018-08-24 2019-02-15 浙江正泰电器股份有限公司 Switching device, electric energy meter take control system and its control method

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