CN205539113U - Three -phase combination formula load switch module - Google Patents
Three -phase combination formula load switch module Download PDFInfo
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- CN205539113U CN205539113U CN201620282824.7U CN201620282824U CN205539113U CN 205539113 U CN205539113 U CN 205539113U CN 201620282824 U CN201620282824 U CN 201620282824U CN 205539113 U CN205539113 U CN 205539113U
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Abstract
The utility model discloses a three -phase combination formula load switch module, including the load switch unit, the main terminal unit, sampling unit, auxiliary terminal subelement and shielding unit, the load switch unit is including electrically conductive mechanism, magnetic circuit mechanism, detection mechanism, the driving medium, casing and cap, it is two -layer about the casing divide into, magnetic circuit mechanism and detection mechanism install respectively in the cavity on casing upper strata, electrically conductive mechanism installs in the cavity of casing lower floor, magnetic circuit mechanism and electrically conductive mechanism pass through transmission parts connection, the cap covers in the casing insulating magnetic circuit mechanism of sealing in upper portion, electrically conductive mechanism and detection mechanism, magnetic circuit mechanism is located the middle part of three -phase smart meter watchcase, shielding unit is located outside the magnetic circuit mechanism, action through magnetic circuit mechanism control drive piece comes opening and shutting of the electrically conductive mechanism of control. The realization accords with the disconnection or the closure of switch module. Improve the ability that the anti external magnetic field of magnetic circuit mechanism disturbed, guarantee that smart electric meter uses the reliability, reduce transfer line length, strengthen the transmission effect.
Description
Technical field
This utility model relates to a kind of intelligent electric meter on-load switch module, particularly relates to a kind of three phase combined on-load switch module.
Background technology
Shielding device and on-load switch are the main elements of current intelligent electric energy meter.Wherein on-load switch is a kind of under the effect of drive control signal, utilizes solenoid and the interaction of permanent magnet, relative motion to realize closed and disconnected, still remains up or the control element of off-state after drive control signal disappears.There is the feature of saves energy source, working stability, be widely used in electric system protection device and all kinds of telemechanical, remote control and communicator.It is widely used in intelligent electric energy meter especially as intelligent electric energy meter main element, completes remote auto power-off during electricity consumption arrearage.And shield device and be primarily used to protect on-load switch not disturbed by extraneous high-intensity magnetic field, the use of shielding device plays vital effect to on-load switch.
The load governor that now market occurs has decentralized and two kinds of patterns of integral type.
Decentralized: decentralized divide again on-load switch integral type and on-load switch every the most independent form.They be on-load switch, sampler, terminal input and output device and shielding device be all self-existent.Manually they are combined during installation and be arranged on different positions with screw.Integral type: by plastic casing together with other apparatus assembly, appearance is loaded on shielding device.
The on-load switch of above two formula is typically made up of magnetic circuit system, driving member, conducting system and plastic casing.Wherein magnetic circuit system is made up 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 ensures to connect the helical spring of contact pressure or flat spring forms；Utilize driving member connecting terminal assembly and magnetic circuit system, the duty of magnetic circuit system is passed to electrical contact component, it is achieved transmission, linkage, thus realize Guan Bi or disconnect the circuit between dynamic and static electric contact.
But the product of both forms all also exists different defects.
Decentralized: 1, the internal resistance in product every phase loop is big, owing in the part course of processing, the roughness on surface is inconsistent, the contact resistance difference in loop is relatively big, makes electric conductor heating temperature rise in actual use during super-high-current；2, producing installation difficulty, inefficiency, consume manpower and materials, its manufacturing cost is high；3, small product size also takes up greatly space etc..
Integral type: although solving the problem of installation, drain on manpower and material resources, installs with screw and there is the problem that internal resistance is high, temperature rise during use.There is also new defect simultaneously.1, closely there is sparking in upper mask pitch logic card, damages logic card；2, plastic box body excessive deformation is serious, affects the contact of on-load switch contact.
Although existing market occurs in that new on-load switch module, solve the problems referred to above to a certain extent, but owing to its conducting system and magnetic circuit system are arranged in parallel, the diamagnetic ability of ammeter the most all differs, affect the normal use of ammeter, and the magnetic circuit system of this kind of new on-load switch module is not provided with outward shielding device or shielding device is bulky and weak effect, it is impossible to ensure the correlated performance of intelligent electric meter.
Utility model content
The purpose of this utility model is to provide that a kind of diamagnetic ability is good, the reliable three phase combined on-load switch module of stable connection between modularity, module.
The utility model discloses a kind of three phase combined on-load switch module, including load switching unit, main terminal unit, sampling unit, auxiliary terminal unit and screen unit, load switching unit includes conductive mechanism, magnetic path, testing agency, driving member, housing and cap, described housing is divided into upper and lower two-layer, magnetic path and testing agency are respectively arranged in the cavity on housing upper strata, conductive mechanism is installed in the cavity of housing lower floor, magnetic path and conductive mechanism are connected by driving member, cap is covered in housing upper insulation and obturation magnetic path, conductive mechanism and testing agency；
Described magnetic path is positioned at the middle part of three-phase intelligent table watchcase, and described screen unit is positioned at outside magnetic path；The folding of conductive mechanism is controlled by the action of magnetic path control driving member.
As preferably, described conductive mechanism includes moving plate, still and shell fragment, the outer end of moving plate is welded as a whole through described sampling unit with corresponding current terminal on described main terminal unit, inner the inner with shell fragment fixes, the outer end of still is welded with corresponding current terminal, the inner of still is provided with stationary contact, correspondence stationary contact position, shell fragment outer end is provided with movable contact, and the work of magnetic circuit system is switched on or switched off the folding of control on-load switch module by driving member control movable contact and stationary contact.
As preferably, described screen unit includes external shield seat and inner shield plate, and external shield seat is positioned at the watchcase of three-phase meter, and described load switching unit is installed in external shield seat, and inner shield plate is between described cap and described magnetic path.
As preferably, described sampling unit includes three current transformers, is connected with the moving plate in corresponding conductive mechanism respectively, between described load switching unit and described main terminal unit.
As preferably, described main terminal unit includes that current terminal, main terminal row and main terminal base, current terminal and main terminal row are mounted on main terminal base.
As preferably, described main terminal row is cuboid-type, the sidewall of its length direction side is provided with between the open slot for installing described current terminal, adjacent two open slots and is provided with connection copper sheet, the outer wall of its width both sides is provided with buckle head, and its top is provided with the bar-shaped trough for installing described auxiliary terminal unit.
As preferably, corresponding described buckle head position, two ends, described main terminal base length direction is provided with matched buckle ear.
As preferably, described auxiliary terminal unit includes auxiliary terminal, auxiliary terminal seat and capillary, and capillary is installed on auxiliary terminal, and auxiliary terminal is installed in the holding tank on auxiliary terminal seat.
As preferably, the material of described external shield seat and inner shield plate is electrical pure iron.
As preferably, described main terminal unit is removably connected on described external shield seat.
During this utility model uses, detecting user power utilization situation by testing agency, when phenomenon of defaulting occurs in user, magnetic circuit mechanism acts on, and now drive member controls conductive mechanism disconnection, it is achieved remotely power-off；When user detects that magnetic circuit mechanism acts on after continuing to pay dues, and now drive member controls conductive mechanism Guan Bi, it is achieved remote power feeding.In this utility model, magnetic path is arranged at the middle part of intelligent electric meter, and screen unit is set outside magnetic path, improve the ability of the anti-external magnetic field interference of magnetic path, improve the dependability of intelligent electric meter, owing to magnetic path is arranged up and down with conductive mechanism, the mode that relative magnetic path and conductive mechanism are arranged in parallel, greatly reduce the length of drive link, reduce the loss of power in transmittance process, strengthen transmission effect.
Simultaneously, in order to the internal resistance making conductive mechanism is little, overcurrent is big, temperature rise is low, conductive mechanism is set to the assembly parts of moving plate, still and shell fragment, and the outer end of moving plate is welded as a whole through sampling unit with corresponding current terminal on main terminal unit, inner the inner with shell fragment fixes, the outer end of still is welded with corresponding current terminal.
More reliable in order to ensure that integration connects, utilize screen unit load switching unit and main terminal unit to be linked together, solve screen unit and be contained in ammeter back box so that the problem of ammeter back box poor compatibility.
In order to prevent owing to inner shield plate crosses nearly phenomenon sparking occur away from logic card, inner shield plate is put into the case inside of on-load switch, has ensured the anti-strong magnetic energy power of load switching unit simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of one preferred embodiment of this utility model.
Fig. 2 is the three-dimensional enlarged diagram of load switching unit in Fig. 1.
Fig. 3 is the three-dimensional enlarged diagram after load switching unit removes cap in Fig. 1.
Fig. 4 is the three-dimensional enlarged diagram of conductive mechanism in Fig. 3.
Fig. 5 is the three-dimensional enlarged diagram of screen unit in Fig. 1.
Fig. 6 is the three-dimensional enlarged diagram that the present embodiment removes cap and auxiliary terminal unit.
Fig. 7 is the three-dimensional enlarged diagram of main terminal unit in Fig. 1.
Fig. 8 is the three-dimensional enlarged diagram of auxiliary terminal unit in Fig. 1.
Diagram sequence number:
1 load switching unit, 2 main terminal unit, 3 sampling units, 4 auxiliary terminal unit, 5 screen units, 11 conductive mechanism, 12 magnetic paths, 13 testing agencies, 14 driving members, 15 housings, 16 caps, 111 moving plates, 112 stills, 113 shell fragments, 1121 stationary contacts, 1131 movable contacts, 21 current terminals, 22 main terminal rows, 23 main terminal bases, 41 auxiliary terminals, 42 auxiliary terminal seats, 43 capillaries, 51 external shield seats, 52 inner shield plates.
Detailed description of the invention
As shown in Figure 1 and Figure 2, present embodiment discloses a kind of three phase combined on-load switch module, it includes load switching unit 1, main terminal unit 2, sampling unit 3, auxiliary terminal unit 4 and screen unit 5.
As shown in Figure 2 and Figure 3, load switching unit 1 includes conductive mechanism 11, magnetic path 12, testing agency 13, driving member 14, housing 15 and cap 16, housing is divided into upper and lower two-layer, magnetic path 12 and testing agency 13 are respectively arranged in the cavity on housing 15 upper strata, conductive mechanism 11 is installed in the cavity of housing 15 lower floor, magnetic path 12 and conductive mechanism 11 are connected by driving member 14, and cap 16 is covered in housing 15 upper portion insulating closed magnetic path mechanism 12, conductive mechanism 11 and testing agency 13.Sampling unit 3 includes three current transformers, is connected with corresponding conductive mechanism 11 respectively, between load switching unit 1 and main terminal unit 2.
As shown in Figure 4, conductive mechanism 11 includes three groups of moving plates 111, still 112 and shell fragment 113, the outer end of moving plate 111 is welded as a whole through sampling unit 3 current terminal 21 corresponding with on main terminal unit 2, inner the inner with shell fragment 113 fixes, the outer end of still 112 is welded with corresponding current terminal 21, the inner of still is provided with stationary contact 1121, and correspondence stationary contact position, shell fragment 113 outer end is provided with movable contact 1131.
As shown in Figure 5, Figure 6, screen unit 5 includes external shield seat 51 and the inner shield plate 52 that electrical pure iron makes.Being located at by magnetic path 12 in the middle part of three-phase intelligent table watchcase, the bottom face of external shield seat 51 shielding circuit mechanism 12 and length direction two ends, inner shield plate 51 is positioned at the upper surface of shielding circuit mechanism 12 inside cap 16.Main terminal unit 2 is connected by screw on the bottom surface of external shield seat 51.
As shown in Fig. 2, Fig. 7, main terminal unit 2 includes current terminal 21, main terminal row 22 and main terminal base 23, main terminal row 22 is cuboid-type, the sidewall of its length direction side is provided with between the open slot for installing current terminal 21, adjacent two open slots and is provided with connection copper sheet, the outer wall of its width both sides is provided with buckle head, and its top is provided with the bar-shaped trough for installing auxiliary terminal unit 4.Main terminal base 23 length direction two ends correspondence slot has installed corresponding buckle ear.
As shown in Figure 8, auxiliary terminal unit 4 includes auxiliary terminal 41, auxiliary terminal seat 42 and capillary 43, and capillary 43 is installed on auxiliary terminal 41, and auxiliary terminal 41 is installed on auxiliary terminal seat in the holding tank of 42.
When the present embodiment uses, electricity consumption situation by testing agency detection user, when there is phenomenon of defaulting in user, magnetic circuit mechanism works, now drive member controls moving plate motion, the motion of moving plate band spring plate makes the movable contact on shell fragment depart from the stationary contact on still, and conductive mechanism disconnects, it is achieved remotely power-off；When user detects that magnetic circuit mechanism works, now drive member with after continuing to pay dues, and moving plate band spring plate moves, the movable contact on shell fragment and the stationary contact laminating on still, control conductive mechanism Guan Bi, it is achieved remote power feeding.In the present embodiment, magnetic path is arranged at the middle part of intelligent electric meter, and screen unit is set outside magnetic path, improve the ability of the anti-external magnetic field interference of magnetic path, improve the dependability of intelligent electric meter, arrange with conductive mechanism due to magnetic path that again the mode that relative magnetic path and conductive mechanism are arranged in parallel greatly reduces the length of drive link up and down, reduce the loss of power in transmittance process, strengthen transmission effect.
Simultaneously, in order to the internal resistance making conductive mechanism is little, overcurrent is big, temperature rise is low, conductive mechanism is set to the assembly parts of moving plate, still and shell fragment, and the outer end of moving plate is welded as a whole through sampling unit with corresponding current terminal on main terminal unit, inner the inner with shell fragment fixes, the outer end of still is welded with corresponding current terminal.
More reliable in order to ensure that integration connects, utilize screen unit load switching unit and main terminal unit to be linked together, solve screen unit and be contained in ammeter back box so that the problem of ammeter back box poor compatibility.
In order to prevent owing to inner shield plate crosses nearly phenomenon sparking occur away from logic card, inner shield plate is put into the inner side of cap, has ensured the anti-strong magnetic energy power of load switching unit simultaneously.
In order to ensure shield effectiveness, the material of external shield seat and inner shield plate all uses electrical pure iron.
Claims (10)
1. a three phase combined on-load switch module, including load switching unit, main terminal unit, sampling unit, auxiliary terminal unit and screen unit, load switching unit includes conductive mechanism, magnetic path, testing agency, driving member, housing and cap, it is characterized in that: described housing is divided into upper and lower two-layer, magnetic path and testing agency are respectively arranged in the cavity on housing upper strata, conductive mechanism is installed in the cavity of housing lower floor, magnetic path and conductive mechanism are connected by driving member, cap is covered in housing upper insulation and obturation magnetic path, conductive mechanism and testing agency；
Described magnetic path is positioned at the middle part of three-phase intelligent table watchcase, and described screen unit is positioned at outside magnetic path；The folding of conductive mechanism is controlled by the action of magnetic path control driving member.
Three phase combined on-load switch module the most according to claim 1, it is characterized in that: described conductive mechanism includes moving plate, still and shell fragment, the outer end of moving plate is welded as a whole through described sampling unit with corresponding current terminal on described main terminal unit, inner the inner with shell fragment fixes, the outer end of still is welded with corresponding current terminal, the inner of still is provided with stationary contact, correspondence stationary contact position, shell fragment outer end is provided with movable contact, and the work of magnetic circuit system is switched on or switched off the folding of control on-load switch module by driving member control movable contact and stationary contact.
Three phase combined on-load switch module the most according to claim 1, it is characterized in that: described screen unit includes external shield seat and inner shield plate, external shield seat is positioned at the watchcase of three-phase meter, described load switching unit is installed in external shield seat, and inner shield plate is between described cap and described magnetic path.
Three phase combined on-load switch module the most according to claim 1, it is characterised in that: described sampling unit includes three current transformers, is connected with the moving plate in corresponding conductive mechanism respectively, between described load switching unit and described main terminal unit.
Three phase combined on-load switch module the most according to claim 1, it is characterised in that: described main terminal unit includes that current terminal, main terminal row and main terminal base, current terminal and main terminal row are mounted on main terminal base.
Three phase combined on-load switch module the most according to claim 5, it is characterized in that: described main terminal row is cuboid-type, the sidewall of its length direction side is provided with between the open slot for installing described current terminal, adjacent two open slots and is provided with connection copper sheet, the outer wall of its width both sides is provided with buckle head, and its top is provided with the bar-shaped trough for installing described auxiliary terminal unit.
Three phase combined on-load switch module the most according to claim 6, it is characterised in that: corresponding described buckle head position, two ends, described main terminal base length direction is provided with matched buckle ear.
Three phase combined on-load switch module the most according to claim 1, it is characterized in that: described auxiliary terminal unit includes auxiliary terminal, auxiliary terminal seat and capillary, capillary is installed on auxiliary terminal, and auxiliary terminal is installed in the holding tank on auxiliary terminal seat.
Three phase combined on-load switch module the most according to claim 3, it is characterised in that: the material of described external shield seat and inner shield plate is electrical pure iron.
Three phase combined on-load switch module the most according to claim 3, it is characterised in that: described main terminal unit is removably connected on described external shield seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282824.7U CN205539113U (en) | 2016-04-07 | 2016-04-07 | Three -phase combination formula load switch module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620282824.7U CN205539113U (en) | 2016-04-07 | 2016-04-07 | Three -phase combination formula load switch module |
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| CN205539113U true CN205539113U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620282824.7U Active CN205539113U (en) | 2016-04-07 | 2016-04-07 | Three -phase combination formula load switch module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675944A (en) * | 2016-04-07 | 2016-06-15 | 威胜集团有限公司 | Three-phase combined load switch module |
| CN114300298A (en) * | 2022-01-05 | 2022-04-08 | 浙江天正电气股份有限公司 | Isolating switch |
-
2016
- 2016-04-07 CN CN201620282824.7U patent/CN205539113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675944A (en) * | 2016-04-07 | 2016-06-15 | 威胜集团有限公司 | Three-phase combined load switch module |
| CN114300298A (en) * | 2022-01-05 | 2022-04-08 | 浙江天正电气股份有限公司 | Isolating switch |
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