CN102226979B - Load switch module of three-phase electricity meter carrying wiring terminal row and current sampling devices - Google Patents
Load switch module of three-phase electricity meter carrying wiring terminal row and current sampling devices Download PDFInfo
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- CN102226979B CN102226979B CN 201110151634 CN201110151634A CN102226979B CN 102226979 B CN102226979 B CN 102226979B CN 201110151634 CN201110151634 CN 201110151634 CN 201110151634 A CN201110151634 A CN 201110151634A CN 102226979 B CN102226979 B CN 102226979B
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Abstract
The invention discloses a load switch module of a three-phase electricity meter carrying a wiring terminal row and current sampling devices. According to the scheme provided in the invention, a load switch of a three-phase electricity meter is designed to be integrated with a terminal row of the three-phase electricity meter, a multi-function auxiliary wiring terminal strip of the three-phase electricity meter, and current sampling devices as one body. According to the invention, the module integration of components of the three-phase electricity meter is realized and reliability of the product performance is improved; besides, the module provided in the invention has advantages of simple structure and easy installation. Moreover, the traditional technology of installation of the three-phase electricity meter is simplified, and reliability and production efficiency of the three-phase electricity meter are also enhanced. Therefore, the three-phase electricity meter provided in the invention better meets relevant international standards as well as standards of the state grid and the nation.
Description
Technical field
The invention belongs to the electrical device technical field.Auto-breaking aspect during in particular to a kind of wiring of three-phase electric energy meter and current sample and load control and practicable electricity consumption arrearage.
Background technology
On-load switch in the on-load switch module is a kind of under the effect of drive control signal, utilizes the interaction of solenoid and permanent magnet, relative motion to realize the closed and disconnected circuit.The control element that after drive control signal disappears, can still keep the state that is switched on or switched off.Characteristics with saves energy source, working stability are widely used in electric system protection device and all kinds of telemechanical, remote control and the communicator.Remote auto outage when especially being widely used in electricity consumption arrearage in the three-phase intelligent electric-energy meter is as the main element of three-phase intelligent electric-energy meter.
On-load switch in the on-load switch module generally is comprised of magnetic circuit system, driving member, conducting system and plastic casing.Wherein magnetic circuit system is comprised of solenoid, magnet keeper assembly, magnetic conduction heel piece, conducting magnet core etc.; Conducting system is by conducting strip and dynamic and static electrical contact component and guarantee that the helical spring or the flat spring that connect the electric contact contact form; Utilize driving member connecting terminal assembly and magnetic circuit system, the operating state of magnetic circuit system is passed to electrical contact component, realize transmission, interlock, thereby realize closed or disconnect circuit between the dynamic and static electric contact.
Connecting terminal block is generally by injection molding spare and large and small long strip type current terminal bar; The L-type lug plate forms.Large long strip type current bar is pressed into formation principal current terminal in the next row plastic shaping hole; Little long strip type current terminal bar is pressed into and forms auxiliary terminal in the plastic removal material forming hole.
The patent No. is the utility model of ZL200720149487.5, has announced a kind of leading-out terminal and has stretched out from shell is monolateral.
But there is defective in this product: the current terminal of three-phase electric energy meter is symmetrical, the uniformly distribution of center line, and its leading-out terminal of above-mentioned product is asymmetric.Connect with screw between product and the three-phase electric energy meter current terminal like this and install, might cause installing tight conductive exothermal temperature rise, installation difficulty and operating efficiency are low; Auxiliary terminal also can't directly be connected with wiring board, need to be welded to again on the wiring board after the wiring from the copper spare with manual, easily loosening and rosin joint generation quality problems and difficulty is installed and operating efficiency low; The current sample element is also wanted to install with screw after the independent moulding, might cause installing tight conductive exothermal temperature rise, and installation difficulty and operating efficiency are low; Wholely also take up room greatlyr, do not meet requirement and the relevant criterion of present national grid three-phase intelligent electric-energy meter.
Summary of the invention
The object of the present invention is to provide a kind of three-phase electric energy meter load switch module scheme with connecting terminal block and current sample device.This scheme is mounted to connecting terminal block, current sample device and the three-phase load switch designs of three-phase electric energy meter as a whole.This scheme has realized having removed any link with the screw mounting means between connecting terminal block, current sample device, the on-load switch; With become 90 ° of conduction stitch with current terminal, can adopt like this with the three-phase electric energy meter wiring board and directly carry out automatic welding on the structural multi-functional auxiliary terminal block bar of connecting terminal block the inner, reduce with holding wire or screw mounting means.Whole scheme has adopted removes the insecure fire incident that causes the quality problems that cause and temperature rise to cause of the installation that produces with the screw mounting means, also dwindle simultaneously the volume of three-phase electric energy meter, satisfied requirement and the relevant criterion of national grid three-phase intelligent electric-energy meter.
Present design has improved the performance of on-load switch integral body greatly, installs simply also and can realize full-automatic production line production, has promoted production efficiency and has saved the energy, and the present invention also possesses the instantaneous short circuit current ability of tolerance, meets the IEC relevant criterion.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of three-phase electric energy meter load switch module with terminal board and current sample is arranged three-phase terminal row's current terminal and the on-load switch design is connected in one, and on three identical conducting systems the current sample device is installed respectively.
Described three-phase terminal row, by terminal board seat, terminal base bottom and independently multi-functional auxiliary terminal block bar three part-structures form.
Described terminal board seat, bottom surface are provided with the open slot that a plurality of current terminal bars are installed, respectively corresponding principal current terminal strip and zero terminal bar that the conducting system connection of on-load switch is installed; The above is provided with and cooperates the groove that multi-functional auxiliary terminal block bar is installed.
Described terminal base bottom, the above is provided with the groove of many fixed current terminal strips and the buckle ear of fixing with the terminal board seat, and the bottom surface is provided with the groove that matches with three-phase electrical energy meter casing.
Described multi-functional auxiliary terminal block bar, by the long strip type improved plastics structural shape with become with current terminal 90 ° the conduction stitch current terminal form.Rectangular improved plastics structural shape bottom is provided with the chimb that cooperates with the terminal board seat, and the centre is provided with a plurality of holes, will be installed in the hole with the current terminal of conduction stitch.
Described on-load switch, setting is comprised of conducting system, magnetic circuit system, driving member, clamping plate, plastic base and upper plastic cover.
Described conducting system is by moving conductive assembly and quiet conductive component.
Described moving conductive assembly, by the end connection principal current terminal of moving conductive sheet, the other end is connected with moving contact assembly.
Described moving contact assembly, an end is provided with electric contact, and the other end is connected with the moving conductive sheet, adopts V-shape Short Circuit withstand current circuit to arrange.
Described quiet conductive component, by the end connection principal current terminal of quiet conducting strip, the other end is provided with electric contact.
Described magnetic circuit system is fixed into one and the magnet keeper assembly forms by solenoid, magnetic conduction heel piece, conducting magnet core.
Described magnet keeper assembly adopts symmetrical H type structure.
Described magnet keeper assembly is provided with driving lever.
Described driving member, it is arranged to long strip type a plurality of openings, and three openings wherein are used for installing the free end of three moving contact assembly heads; Another opening wherein is used for the driving lever of assembling magnet keeper assembly.
It is rectangular plate shaped that described clamping plate are, and has a plurality of perforates and both sides to have angle to stretch out, and is used for the fixed permanent magnet armature component.
Described current sample device (current transformer or manganese copper diverter) is installed in respectively between three identical conducting strips and the principal current terminal strip.
Described plastic base is the rectangular irregular shape of L shape or rectangular Reentrant Cavity, be provided with the installation conducting system on one side and stretch out opening, inner chamber is provided with the position that installs and fixes conducting system, magnetic circuit system, driving member and clamping plate, and outer being provided with all around cooperates the loam cake convex closure.
Described upper plastic cover is the rectangular irregular shape of L shape or rectangle Reentrant Cavity, and the surrounding is provided with a plurality of buckle ears and plastic base is fastened as an integral body mutually.
Another kind of derived product of the present invention, its technical scheme is:
A kind of three-phase electric energy meter load switch module with terminal board and current sample is arranged three-phase terminal row's current terminal and the on-load switch design is connected in one, and on three groups of identical conducting systems the current sample device is installed respectively.
Described three-phase terminal row is comprised of terminal board seat and multi-functional auxiliary terminal block bar two-part structure.
Described terminal board seat is provided with the open slot that a plurality of principal current terminal strips are installed, respectively corresponding principal current terminal strip and zero terminal bar that the conducting system connection of on-load switch is installed; The above is provided with and cooperates groove and the protruding button that multi-functional auxiliary terminal block bar is installed.
Described multi-functional auxiliary terminal block bar, by improved plastics structural shape with become with current terminal 90 ° the conduction stitch current terminal form.The improved plastics structural shape bottom is provided with the chimb that cooperates with the terminal board seat, and the centre is provided with a plurality of holes, will be installed in the hole with the current terminal of location stitch.
Described on-load switch, setting is comprised of conducting system, magnetic circuit system, driving member, clamping plate, plastic base and upper plastic cover.
Described conducting system is by moving conductive assembly and quiet conductive component.
Described moving conductive assembly, by the end connection principal current terminal of moving conductive sheet, the other end is connected with moving contact assembly.
Described moving contact assembly, an end is provided with electric contact, and the other end is connected with the moving conductive sheet, adopts V-shape Short Circuit withstand current circuit to arrange.
Described quiet conductive component, by the end connection principal current terminal of quiet conducting strip, the other end is provided with electric contact.
Described magnetic circuit system is fixed into one and the magnet keeper assembly forms by solenoid, magnetic conduction heel piece, conducting magnet core.
Described magnet keeper assembly adopts symmetrical H type structure.
Described magnet keeper assembly is provided with driving lever.
Described driving member, it is arranged to long strip type a plurality of openings, and three openings wherein are used for installing the free end of three moving contact assembly heads; Another opening wherein is used for the driving lever of assembling magnet keeper assembly.
It is rectangular plate shaped that described clamping plate are, and has a plurality of perforates and both sides to have angle to stretch out, and is used for the fixed permanent magnet armature component.
Described current sample device (current transformer or manganese copper diverter) is installed in respectively between three identical conducting strips and the principal current terminal strip.
Described plastic base is the rectangular irregular shape of L shape or rectangular Reentrant Cavity, be provided with the installation conducting system on one side and stretch out opening, inner chamber is provided with the position that installs and fixes conducting system, magnetic circuit system, driving member and clamping plate, and outer being provided with all around cooperates the loam cake convex closure.
Described upper plastic cover is the rectangular irregular shape of L shape or rectangle Reentrant Cavity, and the surrounding is provided with a plurality of buckle ears and plastic base is fastened as an integral body mutually.
Description of drawings
Fig. 1 is 1 one kinds of three-phase electric energy meter load switch module explosive effect figure with terminal board and current sample of example of the present invention.
Fig. 2 is that example 1 of the present invention is with the three-phase electric energy meter load switch module conducting system three-dimensional structure diagram of terminal board and current sample.
Fig. 3-Fig. 6 is that example 1 of the present invention is with the three-phase electric energy meter load switch module installation diagram of terminal board and current sample.
Fig. 7 is that example 1 of the present invention is with the three-dimensional outline drawing of the three-phase electric energy meter load switch module of terminal board and current sample.
Fig. 8-Fig. 9 is that example 1 terminal of the present invention is installed stereogram.
Figure 10 is that example 1 of the present invention is with the three-dimensional structure diagram of the auxiliary current terminal of wiring board stitch.
Figure 11 is 2 one kinds of three-phase electric energy meter load switch module explosive effect figure with terminal board and current sample of example of the present invention.
Figure 12 is that example 2 of the present invention is with the three-phase electric energy meter load switch module conducting system three-dimensional structure diagram of terminal board and current sample.
Figure 13-Figure 16 is that example 2 of the present invention is with the three-phase electric energy meter load switch module installation diagram of terminal board and current sample.
Figure 17 is that example 2 of the present invention is with the three-dimensional outline drawing of the three-phase electric energy meter load switch module of terminal board and current sample.
Figure 18-Figure 19 is that example 2 terminals of the present invention are installed stereogram.
Figure 20 is that example 2 of the present invention is with the three-dimensional structure diagram of the auxiliary current terminal of wiring board stitch.
Embodiment
The below is so that the present invention is described in further detail with specific embodiment by reference to the accompanying drawings.
[embodiment 1]
As depicted in figs. 1 and 2, the conducting system of a kind of three-phase electric energy meter load switch module with connecting terminal block and current sample device of the present invention comprises dynamic and static conductive component 8.1,8.2 and 8.3.Pedestal 1 inner chamber is provided with a plurality of holddown grooves, be used for assembling dynamic and static conductive component 8.1,8.2 and 8.3, on one side pedestal 1 have a plurality of openings for dynamic and static conductive component 8.1,8.2 and 8.3 stretch out the connecting terminal block seat 3 of packing into.
Described dynamic and static conductive component 8.1,8.2 and 8.3 adopts on all four setting.As an example of wherein a mutually dynamic and static contact assembly 8.1 example its structure is described.
Described dynamic and static conductive component 8.1 adopts V font Short Circuit withstand current circuit to arrange.
Described dynamic and static conductive component 8.1 includes moving conductive sheet 22.1, principal current terminal, 24.1, moving contact 26.1, movable contact spring 19.1, a plurality of splitter 20.1 and 21.1, compression spring 28.1; Quiet conducting strip 23.1, principal current terminal 25.1, fixed contact 27.1;
Described movable contact spring 19.1, a plurality of splitter 20.1 and 21.1 are riveted on the moving conductive sheet 22.1 by the convex closure on the conducting strip 22.1.
Described moving contact 26.1 is fixed in the contact holes that arranges on movable contact spring 19.1, a plurality of splitter 20.1 and 21.1.
Described compression spring 28.1 can be installed on the back side that moving contact is connected with the sheet spring.
On the described moving conductive sheet 22.1 current sample components and parts 29.1 are installed.
Described fixed contact 27.1 is fixed on the quiet conducting strip 23.1.
Described principal current terminal 24.1,25.1 connects with moving conductive sheet 22.1, quiet conducting strip 23.1 respectively;
Described principal current terminal 24.1,25.1 is installed on terminal board seat 3 bottom surfaces.
The described fixing mode that can adopt riveted joint or welding;
On the principal current terminal 24.1,25.1 screw 30 is installed as depicted in figs. 1 and 2.
As shown in figures 1 and 3, described pedestal 1 inner chamber is provided with the fixedly track of pillar, location notch and counterbore, clamping plate location hole and driving member 6 motions of magnetic circuit system 5.
Described magnetic circuit system 5 includes bobbin 13, coil windings, conducting magnet core 18, magnetic conduction heel piece 12.1 and 12.2, magnet keeper assembly 11, driving lead-in wire 17.1,17.2.
The magnetic conduction heel piece 12.1 and 12.2 of described magnetic circuit system 5 is installed in the pillar and groove of pedestal 1 setting.
Magnetic conduction heel piece and 12.1,12.2 and magnet keeper assembly 11 is fixed in more than 7 perforate of described clamping plate, the clamping plate angle is inserted in the location hole of pedestal 1.
Be wound with coil windings on the described bobbin 13.
Be connected with on the described winding and drive lead-in wire 17.1,17.2.
Described conducting magnet core 18 is fixing as a whole with magnetic conduction heel piece 12.1 and 12.2, bobbin 13 riveted joints.
Described magnet keeper assembly 11 includes pole piece 14.1,14.2 and permanent magnet 15, and is by engineering plastics that its injection moulding is as a whole.
Described magnet keeper assembly 11 is symmetrical H type structure, and respectively stretches out an axle by engineering plastics injection mo(u)lding driving lever 16 and two faces.
In the hole of the fixedly magnetic circuit system 5 of the axle insertion pedestal 1 that described magnet keeper assembly 11 one sides are stretched out.
Described driving member 6 is provided with a plurality of openings, and its split shed is respectively applied to assemble moving conductive assembly 8.1,8.2,8.3 the sheet spring free end pressure shell fragment 28.1,28.2,28.3 corresponding with each.Other has opening to be used to assemble the driving lever 16 of magnet keeper assembly 11.
Such as Fig. 1, Fig. 5, shown in Figure 6, terminal board seat 3, bottom 32, multi-functional auxiliary terminal block bar 4 are drawn together in the sub-package of described three-phase terminal.
There are a plurality of holes described terminal board seat 3 tops, and the voltage copper sheet be used for to be installed, and there are a plurality of grooves the bottom surface, with principal current terminal 24.1,25.1 and the neutral line current terminal be installed on the groove, close button by bottom 32 and be fixed.
Described multi-functional auxiliary terminal block bar 4 has a plurality of holes as shown in figure 10, and face is used for being installed in the hole with the current terminal 41 of stitch.
Described multi-functional auxiliary terminal block bar 4 is installed in above the terminal board seat 3; Also can independently separate and be installed in above the terminal board seat after being welded and fixed with the three-phase electric energy meter wiring board.
As shown in Figure 4, the dynamic and static conductive component 8.1,8.2 and 8.3 of packing in the plastic base 1, magnetic circuit system 5 and driving member 6, clamping plate 7 and upper plastic cover 2 close to buckle and are integrated.
Fig. 7 is the three-dimensional outline drawing of the three-phase electric energy meter load switch module with connecting terminal block and current sample device of present embodiment; Fig. 8-Fig. 9 is that terminal is installed stereogram.
[embodiment 2]
Such as Figure 11 and shown in Figure 12, the conducting system of a kind of three-phase electric energy meter load switch module with connecting terminal block and current sample device of the present invention comprises dynamic and static conductive component 8.1,8.2 and 8.3.Pedestal 1 inner chamber is provided with a plurality of holddown grooves, be used for assembling dynamic and static conductive component 8.1,8.2 and 8.3, on one side pedestal 1 have a plurality of openings for dynamic and static conductive component 8.1,8.2 and 8.3 stretch out the connecting terminal block seat 100 of packing into.
Described dynamic and static conductive component 8.1,8.2 and 8.3 adopts on all four setting.As an example of wherein a mutually dynamic and static contact assembly 8.1 example its structure is described.
Described dynamic and static conductive component 8.1 adopts V font Short Circuit withstand current circuit to arrange.
Described dynamic and static conductive component 8.1 includes moving conductive sheet 22.1, principal current terminal 24.1, moving contact 26.1, movable contact spring 19.1, a plurality of splitter 20.1 and 21.1, compression spring 28.1; Quiet conducting strip 23.1, principal current terminal 25.1, fixed contact 27.1;
Described movable contact spring 19.1, a plurality of splitter 20.1 and 21.1 are riveted on the moving conductive sheet 22.1 by the convex closure on the conducting strip 22.1.
Described moving contact 26.1 is fixed in the contact holes that arranges on movable contact spring 19.1, a plurality of splitter 20.1 and 21.1.
Described compression spring 28.1 can be installed on the back side that moving contact is connected with the sheet spring.
On the described moving conductive sheet 22.1 current sample components and parts 29.1 are installed.
Described fixed contact 27.1 is fixed on the quiet conducting strip 23.1.
Described principal current terminal 24.1,25.1 connects with moving conductive sheet 22.1, quiet conducting strip 23.1 respectively;
Described principal current terminal 24.1,25.1 is installed in the groove of terminal board seat 3.
The described fixing mode that can adopt riveted joint or welding;
As on Figure 11 and the principal current terminal 24.1 shown in Figure 12,25.1 screw 30 being installed.
Such as Figure 11 and shown in Figure 13, described pedestal 1 inner chamber is provided with the fixedly track of pillar, location notch and counterbore, clamping plate location hole and driving member 6 motions of magnetic circuit system 5.
Described magnetic circuit system 5 includes bobbin 13, coil windings, conducting magnet core 18, magnetic conduction heel piece 12.1 and 12.2, magnet keeper assembly 11, driving lead-in wire 17.1,17.2.
The magnetic conduction heel piece 12.1 and 12.2 of described magnetic circuit system 5 is installed in the pillar and groove of pedestal 1 setting.
Magnetic conduction heel piece and 12.1,12.2 and magnet keeper assembly 11 is fixed in more than 7 perforate of described clamping plate, the clamping plate angle is inserted in the location hole of pedestal 1.
Be wound with coil windings on the described bobbin 13.
Be connected with on the described winding and drive lead-in wire 17.1,17.2.
Described conducting magnet core 18 is fixing as a whole with magnetic conduction heel piece 12.1 and 12.2, bobbin 13 riveted joints.
Described magnet keeper assembly 11 includes pole piece 14.1,14.2 and permanent magnet 15, and is by engineering plastics that its injection moulding is as a whole.
Described magnet keeper assembly 11 is symmetrical H type structure, and respectively stretches out an axle by engineering plastics injection mo(u)lding driving lever 16 and two faces.
In the hole of the fixedly magnetic circuit system 5 of the axle insertion pedestal 1 that described magnet keeper assembly 11 one sides are stretched out.
Described driving member 6 is provided with a plurality of openings, and its split shed is respectively applied to assemble moving conductive assembly 8.1,8.2,8.3 the sheet spring free end pressure shell fragment 28.1,28.2,28.3 corresponding with each.Other has opening to be used to assemble the driving lever 16 of magnet keeper assembly 11.
Such as Figure 11, Figure 15, shown in Figure 16, terminal board seat 100, multi-functional auxiliary terminal block bar 101 are drawn together in the sub-package of described three-phase terminal.
There are a plurality of grooves described terminal board seat 100 tops, are used for principal current terminal 24.1,25.1 and neutral line current terminal are installed, and button is fixing under multi-functional auxiliary terminal bar.
As shown in figure 20, described multi-functional auxiliary terminal block bar 101 has a plurality of holes, is used for being installed in the hole with the current terminal 41 of location stitch.
Described multi-functional auxiliary terminal block bar 101 is installed in above the terminal board seat 100;
As shown in figure 14, the dynamic and static conductive component 8.1,8.2 and 8.3 of packing in the plastic base 1, magnetic circuit system 5 and driving member 6, clamping plate 7 and upper plastic cover 2 close to buckle and are integrated.
Figure 17 is the three-dimensional outline drawing of the three-phase electric energy meter load switch module with connecting terminal block and current sample device of present embodiment; Figure 18-Figure 19 is that terminal is installed stereogram.
The specific embodiment of a kind of three-phase electric energy meter load switch module with connecting terminal block and current sample device of the present invention to sum up, has been described.The present invention has optimized a kind of frame mode of the three-phase electric energy meter load switch module with connecting terminal block and current sample device, has improved the overall performance of product.As long as in line with basic structure of the present invention, can derive other specific embodiments, for example the magnetic circuit system with this programme changes magnetic circuit system and conducting system levels structure, suction-type magnetic circuit system or other magnetic circuit system into; And for example adopt the magnetic circuit system described in a plurality of present embodiments to drive; And for example the compression spring sheet is changed into helical spring or without the compression spring sheet; And for example the current sample device is added that a shell encases; And for example with on-load switch plastic base and terminal board seat disjunctor.These can be realized by simple transformation by the structural design personnel, also within the scope of the invention.
Claims (8)
1. three-phase electric energy meter load switch module with connecting terminal block and current sample device, it comprises terminal board seat, terminal base bottom, multi-functional auxiliary terminal block bar, conducting system, compression spring, current sample device, plastic base, magnetic circuit system, driving member, clamping plate, upper plastic cover; It is characterized in that:
Described terminal board seat bottom is provided with a plurality of open slots, be used for installing principal current terminal and the neutral line current terminal that is connected with fixing described conducting system, the centre also is provided with a plurality of copper braces, and end face is provided with groove or chimb, is used for matching with multi-functional auxiliary terminal block bar; Two sides and inboard convex closure and the buckle ear that matches and interlock with the terminal base bottom that be provided with;
Described terminal base bottom top is provided with a plurality of grooves, be used for described terminal board seat principal current terminal and the neutral line current terminal that is connected with fixing conducting system being installed, the bottom is provided with groove, be used for matching with the three-phase electric energy meter drain pan, a plurality of faces all are provided with the buckle ear that matches with the terminal board seat;
On the plastic strip on the described multi-functional auxiliary terminal block a plurality of holes are set, are used for installing an end with the current terminal of conduction stitch, the end that the conduction stitch is riveted on current terminal is 90 °, is used for being connected with the three-phase electric energy meter wiring board; The bottom is provided with chimb or groove, is used for matching with terminal board seat end face;
Described conducting system is comprised of three groups of moving conductive assemblies and three groups of quiet conductive components, conducting strip one end that arranges on the moving conductive assembly is connected with the principal current terminal, the principal current terminal stretches in described terminal board seat the bottom corresponding open slot and described terminal base bottom, and the conducting strip other end that arranges on the moving conductive assembly connects movable contact assembly and packs in the plastic base; Conducting strip one end that arranges on the quiet conductive component is connected with the principal current terminal, and the principal current terminal stretches in described terminal board seat the bottom corresponding open slot and described terminal base bottom, and the other end is provided with fixed contact and packs in the plastic base;
Described current sample device is three current transformers or manganese copper diverter, is installed in respectively the wherein same position of identical three groups of conductive components;
Described plastic base is rectangular irregular shape or rectangle, be provided with the convex closure that interlocks with upper plastic cover all around, inner chamber is provided with to be installed and fixedly holddown groove, pillar and the hole of conducting system, magnetic circuit system, clamping plate, the track of driving member motion, wherein a side also is provided with a plurality of openings, is used for conducting system and stretches out;
Described upper plastic cover is rectangular irregular shape or rectangle, is provided with button all around, and wherein a side also is provided with a plurality of open slots, closes with plastic base and is fastened as one;
Described terminal board seat bottom groove is packed into behind principal current terminal that conducting system connects and the neutral line current terminal to close with the terminal base bottom and is buckled together the formation one;
The principal current terminal that conducting strip on the described conducting system connects perhaps is connected on the conducting strip by the copper coin punch forming by copper bar machine-shaping, and is perhaps one-body molded by conducting strip;
Be provided with screw hole on the described principal current terminal and be used for installing screw;
End on the described multi-functional auxiliary terminal block bar with current terminal be 90 ° the current terminal of conduction stitch by copper bar machine-shaping after the upper conduction of riveted joint stitch, perhaps by the conduction stitch of copper coin punch forming one;
An end is provided with screw hole for screw is installed on the described current terminal;
The movable contact assembly that conducting strip one end connects in the described moving conductive assembly, formed by a plurality of springs and contact, one end is connected with conducting strip, the other end is fixed together a plurality of spring riveteds by the contact, conducting strip and sheet spring junction are assemblied in the plastic base holddown groove, and the head of contact and a plurality of spring riveteds is packed in the described driving member opening;
The riveted joint of conducting strip one end has fixed contact in the described quiet conductive component, is assemblied in the plastic base holddown groove;
Described magnetic circuit system is installed in holddown groove, pillar and the hole of plastic base;
Described clamping plate are the long plate shaped location pillar that is provided with a plurality of location holes and stretches out, and wherein a plurality of location holes are positioned on the corresponding position of magnetic circuit system, and the location pillar inserts in the corresponding location hole of plastic base.
2. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 1 is characterized in that:
Described multi-functional auxiliary terminal block bar is independent, pack into current terminal in the hole on the plastic strip after, the conduction stitch in the current terminal is matched with the three-phase electric energy meter drain pan with being installed in above the terminal board seat after the three-phase electric energy meter wiring board is connected.
3. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 2 is characterized in that:
Described magnetic circuit system is comprised of solenoid, H type armature component, magnetic conduction heel piece, conducting magnet core; Described H type armature component comprises the pole piece of two symmetries and is positioned at the middle permanent magnet of symmetrical pole piece, encased by engineering plastics and to be integrated, and forming the transmission driving lever by the engineering plastics injection moulding, the transmission driving lever center of H type armature component is the structure of full symmetric; The above and below of described H type armature component is provided with the rotating shaft of rotation, and wherein the rotating shaft of one side is fit in the corresponding hole of plastic base, and the rotating shaft of another side matches fixing with clamping plate, and the transmission driving lever that is formed by injection moulding is connected on the corresponding opening of driving member;
Described driving member is elongated and be provided with a plurality of openings, is installed in the movement slots of plastic base, and one of them opening is connected with the transmission driving lever of H type armature component, and several openings are connected with compression spring with corresponding movable contact assembly in addition;
Conducting strip and a plurality of springs that described movable contact assembly connects are connected to form V-shape;
Contact in the described dynamic and static conductive component arranges the loop structure of single contact, double-contact or multiconductor parallel connection.
4. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 3 is characterized in that:
Described compression spring is with a kind of sheet spring of angle or the straight spring of spiral, perhaps by the sheet spring in the movable contact assembly directly as compression spring.
5. three-phase electric energy meter load switch module with connecting terminal block and current sample device, it comprises terminal board seat, multi-functional auxiliary terminal block, conducting system, compression spring, current sample device, plastic base, magnetic circuit system, driving member, clamping plate, upper plastic cover; It is characterized in that:
Described terminal board seat inner chamber is provided with a plurality of open recess, be used for installing principal current terminal and the neutral line current terminal that is connected with fixing described conducting system, the centre also is provided with a plurality of copper braces, the bottom surface is provided with groove and a plurality of side also is provided with convex closure for matching with the three-phase electric energy meter drain pan, end face is provided with groove or chimb, is used for matching with multi-functional auxiliary terminal block;
On the plastic strip on the described multi-functional auxiliary terminal block a plurality of holes are set, are used for installing an end with the current terminal of conduction stitch, the end that the conduction stitch is riveted on current terminal is 90 °, is used for being connected with the three-phase electric energy meter wiring board; The bottom is provided with chimb or groove, is used for matching with terminal board seat end face;
Described conducting system is comprised of three groups of moving conductive assemblies and three groups of quiet conductive components, conducting strip one end that arranges on the moving conductive assembly is connected with the principal current terminal, the principal current terminal stretches in the corresponding open recess of described terminal board seat, and the conducting strip other end that arranges on the moving conductive assembly connects movable contact assembly and packs in the plastic base; Conducting strip one end that arranges on the quiet conductive component is connected with the principal current terminal, and the principal current terminal stretches in the corresponding open recess of described terminal board seat, and the other end is provided with fixed contact and packs in the plastic base;
Described current sample device is three current transformers or manganese copper diverter, is installed in respectively the wherein same position of identical three groups of conductive components;
Described plastic base is rectangular irregular shape or rectangle, be provided with the convex closure that interlocks with upper plastic cover all around, inner chamber is provided with to be installed and fixedly holddown groove, pillar and the hole of conducting system, magnetic circuit system, clamping plate, the track of driving member motion, wherein a side also is provided with a plurality of openings, is used for conducting system and stretches out;
Described upper plastic cover is rectangular irregular shape or rectangle, is provided with button all around, and wherein a side also is provided with a plurality of open slots, closes with plastic base and is fastened as one;
The principal current terminal that conducting strip on the described conducting system connects perhaps is connected on the conducting strip by the copper coin punch forming by copper bar machine-shaping, and is perhaps one-body molded by conducting strip;
Be provided with screw hole on the described principal current terminal and be used for installing screw;
On the described multi-functional auxiliary terminal block bar end with the current terminal of conduction stitch by copper bar machine-shaping after the upper conduction of riveted joint stitch, perhaps by the conduction stitch of copper coin punch forming one;
An end is provided with screw hole for screw is installed on the described current terminal;
The movable contact assembly that conducting strip one end connects in the described moving conductive assembly, formed by a plurality of springs and contact, one end is connected with conducting strip, the other end is fixed together a plurality of spring riveteds by the contact, conducting strip and sheet spring junction are assemblied in the plastic base holddown groove, and the head of contact and a plurality of spring riveteds is packed in the described driving member opening;
The riveted joint of conducting strip one end has fixed contact in the described quiet conductive component, is assemblied in the plastic base holddown groove;
Described magnetic circuit system is installed in holddown groove, pillar and the hole of plastic base;
Described clamping plate are the long plate shaped location pillar that is provided with a plurality of location holes and stretches out, and wherein a plurality of location holes are positioned on the corresponding position of magnetic circuit system, and the location pillar inserts in the corresponding location hole of plastic base.
6. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 5 is characterized in that:
Described multi-functional auxiliary terminal block bar is independent, pack into current terminal in the hole on the plastic strip after, the conduction stitch in the current terminal is matched with the three-phase electric energy meter drain pan with being installed in above the terminal board seat after the three-phase electric energy meter wiring board is connected.
7. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 6 is characterized in that:
Described magnetic circuit system is comprised of solenoid, H type armature component, magnetic conduction heel piece, conducting magnet core; Described H type armature component comprises the pole piece of two symmetries and is positioned at the middle permanent magnet of symmetrical pole piece, encased by engineering plastics and to be integrated, and forming the transmission driving lever by the engineering plastics injection moulding, the transmission driving lever center of H type armature component is the structure of full symmetric; The above and below of described H type armature component is provided with the rotating shaft of rotation, and wherein the rotating shaft of one side is fit in the corresponding hole of plastic base, and the rotating shaft of another side matches fixing with clamping plate, and the transmission driving lever that is formed by injection moulding is connected on the corresponding opening of driving member;
Described driving member is elongated and be provided with a plurality of openings, is installed in the movement slots of plastic base, and one of them opening is connected with the transmission driving lever of H type armature component, and several openings are connected with compression spring with corresponding movable contact assembly in addition;
Conducting strip and a plurality of springs that described movable contact assembly connects are connected to form V-shape;
Contact in the described dynamic and static conductive component arranges the loop structure of single contact, double-contact or multiconductor parallel connection.
8. the three-phase electric energy meter load switch module with connecting terminal block and current sample device according to claim 7 is characterized in that:
Described compression spring is with a kind of sheet spring of angle or the straight spring of spiral, perhaps by the sheet spring in the movable contact assembly directly as compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110151634 CN102226979B (en) | 2011-06-08 | 2011-06-08 | Load switch module of three-phase electricity meter carrying wiring terminal row and current sampling devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110151634 CN102226979B (en) | 2011-06-08 | 2011-06-08 | Load switch module of three-phase electricity meter carrying wiring terminal row and current sampling devices |
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| Publication Number | Publication Date |
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| CN102226979A CN102226979A (en) | 2011-10-26 |
| CN102226979B true CN102226979B (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110151634 Expired - Fee Related CN102226979B (en) | 2011-06-08 | 2011-06-08 | Load switch module of three-phase electricity meter carrying wiring terminal row and current sampling devices |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103515151B (en) * | 2012-06-21 | 2016-12-21 | 厦门宏发电声股份有限公司 | A kind of banked relay of electrified current transformer |
| CN102914675B (en) * | 2012-10-24 | 2014-12-24 | 宏工（长沙）电子技术有限公司 | Load control unit of wiring and current measurement of dual-layer integrated three-phase kilowatt-hour meter |
| CN104467615B (en) * | 2014-12-30 | 2017-06-13 | 刘浩 | motor winding parameter converter |
| CN105226418B (en) * | 2015-08-14 | 2017-10-20 | 杭州炬华科技股份有限公司 | Ammeter plug-in terminal block |
| CN105842499A (en) * | 2016-03-18 | 2016-08-10 | 宁波三星医疗电气股份有限公司 | Electric energy meter connection member |
| CN105675944A (en) * | 2016-04-07 | 2016-06-15 | 威胜集团有限公司 | Three-phase combined load switch module |
| CN108646069A (en) * | 2018-04-26 | 2018-10-12 | 李秀才 | 6 ~ 630A direct-type intelligent electric meters |
| CN113125823A (en) * | 2021-04-28 | 2021-07-16 | 广东电网有限责任公司中山供电局 | Binding post standard plug-in components and three-phase electric energy meter |
| CN115060944A (en) * | 2022-06-09 | 2022-09-16 | 国网山东省电力公司金乡县供电公司 | Three-phase four-wire electric energy meter charge control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100882787B1 (en) * | 2008-09-17 | 2009-02-25 | 주식회사 대륙 | The device of predicting a life time for the magnetic contactor |
| CN101764305B (en) * | 2008-12-26 | 2012-04-25 | 凡甲电子(苏州)有限公司 | Electric connector |
| CN101667510B (en) * | 2009-09-30 | 2012-06-27 | 郁晓亮 | Double-layer structure triphase module type magnetic latching relay |
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