CN201490102U - Three-phase electric energy meter load modular magnetic latching relay - Google Patents
Three-phase electric energy meter load modular magnetic latching relay Download PDFInfo
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- CN201490102U CN201490102U CN2009201493369U CN200920149336U CN201490102U CN 201490102 U CN201490102 U CN 201490102U CN 2009201493369 U CN2009201493369 U CN 2009201493369U CN 200920149336 U CN200920149336 U CN 200920149336U CN 201490102 U CN201490102 U CN 201490102U
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- electric energy
- energy meter
- latching relay
- magnetic latching
- terminal board
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Abstract
The utility model discloses a three-phase electric energy meter load modular magnetic latching relay, which comprises a casing body with an electric energy meter wiring terminal block, a current sampling element, an electromagnetic system, a contact conducting system and the like. The electromagnetic system and the contact conducting system are parallelly assembled inside the casing body in two layers; a partition plate for isolating the two layers is arranged inside the casing body; and the current sampling element can adopt a current transformer or a current diverter. The three-phase electric energy meter load modular magnetic latching relay realizes modularization of electric energy meter elements, and enables the product performance to be reliable, the structure to be simple, and the installation to be convenient.
Description
Technical field
The utility model relates to a kind of magnetic latching relay, relate in particular to a kind of being used among the three-phase electric energy meter, connection box of electric energy meter terminal board, current sample components and parts (current transformer or shunt), electromagnetic system, contact conducting system etc. are integrated as a whole three-phase electric energy meter load module type magnetic latching relay, belong to the low voltage electrical apparatus technology field.
Background technology
Magnetic latching relay is a kind of under the effect of drive control signal, utilizes the interaction of solenoid and permanent magnet, relative motion to realize make-and-break contact.The control element that after drive control signal disappears, can still keep the state that is switched on or switched off.
Magnetic latching relay originally has the characteristics of energy savings, working stability, is widely used in electric power system control and protective device and all kinds of Based Intelligent Control and the communicator.Along with improving constantly of development and national economy and living standards of the people, the household electrical appliance that each enterprise and family use roll up, and employed distribution control element, appliance controling element require to switch bigger power.Therefore, magnetic latching relay especially the three-phase power magnetic force keeping relay will obtain using more widely.
In the patent No. is in the Chinese utility model patent of ZL 200720149487.5, discloses a kind of high-power electric energy table of built-in three-phase magnetic latching relay that tolerates short circuit current height, dependable performance.This magnetic latching relay is assemblied in the inside of electric energy meter housing, connects with the soft copper litzendraht wire between relay and the electric energy meter leading-out terminal.Electric energy meter uses current sample components and parts-instrument transformer on corresponding soft copper litzendraht wire.This magnetic latching relay and at that time on the market common similar products compare, absolute advantage is arranged, but weak point on performance: 1. conduction line length, taken the inner installation site of more electric energy meter, be unfavorable for dwindling the electric energy meter volume; 2. the installing space that takies of soft copper litzendraht wire is bigger, is difficult to use the big lead of conductive section, is unfavorable for reducing the temperature rise of electric energy meter, 3. installs inconveniently, is unfavorable for the electric energy meter production automation.
In the patent No. is in the Chinese utility model patent of ZL 200720002390.1, discloses a kind of leading-out terminal with electric energy meter and has cooperated the back to become as a whole magnetic latching relay with relay.This magnetic latching relay adopts the direct-connected mode of copper bar, and its conductive capability is improved, but comes with some shortcomings installing still.
Now, electric energy meter is more and more higher to the performance requirement of relay, and is more and more littler to its volume requirement.Press for the small and exquisite novel magnetic latching relay of a kind of volume on the market, to satisfy the new demand of electric energy meter at aspects such as performance, installing space, production technologies.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of three-phase electric energy meter load module type magnetic latching relay.This magnetic latching relay is integrated connection box of electric energy meter terminal board, current sample components and parts (current transformer or shunt), electromagnetic system, contact conducting system etc. as a whole, and volume is small and exquisite, and is easy for installation.
For realizing above-mentioned purpose, the utility model adopts following technical scheme.
A kind of three-phase electric energy meter load module type magnetic latching relay comprises electromagnetic system and contacts conducting system that described electromagnetic system is encapsulated in the housing with the described conducting system that contacts, and it is characterized in that:
Described three-phase electric energy meter load module type magnetic latching relay also comprises connection box of electric energy meter terminal board and current sample components and parts;
Described connection box of electric energy meter terminal board is arranged on the front end of described housing, and described current sample components and parts are encapsulated in the rear that described housing is interior, be close to described connection box of electric energy meter terminal board;
Described electromagnetic system divides two-layer being assemblied in abreast in the described housing with the described conducting system that contacts, and is provided with the dividing plate of being isolated two-layer in the described housing.
Wherein, the inboard of described connection box of electric energy meter terminal board has a plurality of connection box of electric energy meter mouths that are the open ports shape, and strip terminal board line ball bar is installed on the described open ports.
Described contact conducting system passes or connects described current sample components and parts, and stretches into described connection box of electric energy meter terminal board the inside.
Described current sample components and parts are current transformer or shunt.
Described current transformer is assemblied between the dynamic and static chip module of described connection box of electric energy meter terminal board and contact conducting system.
Described shunt is a manganese copper diverter.
Three-phase electric energy meter load module type magnetic latching relay provided by the utility model adopts modular design, make properties of product reliable, simple in structure, easy for installation, help further dwindling the volume of three-phase electric energy meter, especially be fit to the technological trend that existing electric energy meter develops to high-power, high safety performance, full-automatic direction.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is three-dimensional stereo effect figure of the present utility model;
Fig. 2 is the shell structure schematic diagram that has the connection box of electric energy meter terminal board;
Fig. 3 is the internal structure schematic diagram that the current sample components and parts adopt the current transformer scheme;
Fig. 4 is the internal structure schematic diagram that the current sample components and parts adopt the shunt scheme;
Fig. 5 is the perspective view of the contact conducting system in the utility model;
Fig. 6 is the internal structure schematic diagram of the electromagnetic system in the utility model;
Fig. 7 is the structural representation of the terminal board line ball bar in the utility model.
Embodiment
Figure 1 shows that the three-dimensional stereo effect figure of three-phase electric energy meter load module type magnetic latching relay provided by the utility model (being designated hereinafter simply as magnetic latching relay).The packaging appearance integral body of this magnetic latching relay is square box shape or other meets the pattern of electric energy meter installation requirement, can external assembling or be assemblied in the end of three-phase electric energy meter.
Fig. 2 has shown the housing partial structurtes that have the connection box of electric energy meter terminal board, and A wherein is the connection box of electric energy meter terminal board.Housing is that plastic material is made, and connection box of electric energy meter terminal board A is arranged on the fore-end of housing.The connection box of electric energy meter mouth that connection box of electric energy meter terminal board A inboard has a plurality of open ports shapes is installed a mobilizable strip terminal board line ball bar (or band sample rate current hasp) above the open ports.The plastic channel and the plastic wall that are provided with fixing contact conducting system in enclosure interior protrude, and also are provided with plastic channel and plastic wall that electromagnetic system is installed and protrude.
In the inside of housing, be equipped with current sample components and parts, electromagnetic system, contact conducting system, etc. function element.Cooperatively interact encapsulates these function element by housing and shell lid (being the B among Fig. 1).Below, composition and the operation principle to these function element is described in detail respectively.
An outstanding feature of this magnetic latching relay just is integrated a plurality of function element in relay.These function element also comprise current sample components and parts etc. except above-mentioned connection box of electric energy meter terminal board A.The current sample components and parts are close to the rear of connection box of electric energy meter terminal board.In the utility model, the current sample components and parts can have two kinds of concrete implementations: current transformer or shunt.
Fig. 3 is the internal structure schematic diagram that the current sample components and parts adopt the current transformer scheme.As shown in Figure 3, the current sample components and parts are three current transformer K (corresponding respectively to the three-phase of three-phase electric energy meter).These three current transformer K are assemblied between the dynamic and static chip module E of connection box of electric energy meter terminal board A and contact conducting system.
Fig. 4 is the internal structure schematic diagram that the current sample components and parts adopt the shunt scheme.This shunt is preferably manganese copper diverter, also can be the shunt of other type.As shown in Figure 4, be equipped with zero line copper bar 9 among the connection box of electric energy meter terminal board A, also have 6 conductive copper bars 8 and a plurality of conduction clip in addition.
The contact conducting system passes or connects the current sample components and parts, stretches into connection box of electric energy meter terminal board the inside.As shown in Figure 4 and Figure 5, the dynamic and static chip module E of contact conducting system is assemblied among the housing A, draw from the same side, and toward the connection box of electric energy meter terminal board.Dynamic and static chip module E adopts the current circuit of " V " font, and promptly movable contact spring 3 and conducting strip 1 form the current circuit of " V " font.Dynamic and static contact 4 is riveted on respectively on still L and the movable contact spring 3, and depended on pressure spring (or shell fragment) 7 guarantees its reliable contact contact pressure.Still L is made of conducting strip 6 and shunt 5; Conducting strip 6 and shunt 5 can adopt the technology of butt welding or overlapping weldering to connect as one.Movable contact spring 3 is made of reed and some conduction splitter riveted joints.Movable contact spring 3 and conducting strip 1 are by several rivet 2 riveted joint one.
Fig. 6 has shown the internal structure of the electromagnetic system in this magnetic latching relay.Being provided with corresponding groove in enclosure interior places and the Motionless electromagnetic system.Electromagnetic system with contact conducting system and divide in the two-layer housing that is assemblied in magnetic latching relay abreast, be provided with dividing plate in the housing so that with parallel two-layer the isolation.As shown in Figure 6, electromagnetic system is made up of " worker " font armature component 12, magnetic conduction heel piece 10, conducting magnet core 14 and bobbin 13.Be injected with permanent magnet in " worker " font armature component 12, " worker " font armature component 12 is connected with pushing piece 11.Pushing piece 11 connects moving plate assembly E, and makes the operating state unanimity of moving plate assembly E." worker " font armature component 12 is given three-phase moving plate assembly E by pushing piece 11 with state transfer, and relies on permanent magnet can keep its last operating state, receives drive signal up to relay and makes its change.
This magnetic latching relay is when work, and the Electromagnetic Drive signal produces magnetic field by winding, and this magnetic field acts on mutually by conducting magnet core 14, magnetic conduction heel piece 10 and the magnetic field of armature component 12, impels the action of armature component 12 rotary oscillations.Pushing piece 11 passes to moving plate assembly E with the operate condition of armature component 12, impels dynamic and static contact 4 to open or closure.
As shown in Figure 7, line ball bar and connection box of electric energy meter terminal board A match, fixedly conductive copper bar 8 and zero line copper bar 9.Conductive copper bar 8 is provided with installing hole H, and dynamic and static chip module E is provided with the installing hole I of corresponding installing hole H.Like this, pass installing hole H and I, conductive copper bar 8 and dynamic and static chip module E can be fixed with screw.In addition, conductive copper bar 8 and dynamic and static chip module E can connect with the technology of welding; Perhaps, conductive copper bar 8 and dynamic and static chip module E can be as a whole.
Need to prove, above-mentioned electromagnetic system with contact the implementation that conducting system is not limited in the present embodiment to be introduced.In fact, change electromagnetic system into suction-type, flatly moving type structure, perhaps will contact conducting system and change bridge-type double-breakpoint structure etc. into, may be used to realize this three-phase electric energy meter load module type magnetic latching relay.
In addition, modular thinking provided by the utility model is not limited to three-phase, and its contact conducting system and leading-out terminal are made an amendment slightly, can change single-phase or a few phase module formula magnetic latching relays at an easy rate into.This modification is the work that those of ordinary skills can both be competent at, and has not just given unnecessary details in detail at this.
More than three-phase electric energy meter described in the utility model load module type magnetic latching relay is had been described in detail.For the those skilled in the art in present technique field, the various conspicuous change of under the situation of spirit that does not deviate from technical scheme described in the utility model and claim scope it being carried out is all within protection range of the present utility model.
Claims (6)
1. three-phase electric energy meter load module type magnetic latching relay comprises electromagnetic system and contacts conducting system that described electromagnetic system is encapsulated in the housing with the described conducting system that contacts, and it is characterized in that:
Described three-phase electric energy meter load module type magnetic latching relay also comprises connection box of electric energy meter terminal board and current sample components and parts;
Described connection box of electric energy meter terminal board is arranged on the front end of described housing, and described current sample components and parts are encapsulated in the rear that described housing is interior, be close to described connection box of electric energy meter terminal board;
Described electromagnetic system divides two-layer being assemblied in abreast in the described housing with the described conducting system that contacts, and is provided with the dividing plate of being isolated two-layer in the described housing.
2. three-phase electric energy meter load module type magnetic latching relay as claimed in claim 1 is characterized in that:
The inboard of described connection box of electric energy meter terminal board has a plurality of connection box of electric energy meter mouths that are the open ports shape, and strip terminal board line ball bar is installed on the described open ports.
3. three-phase electric energy meter load module type magnetic latching relay as claimed in claim 1 is characterized in that:
Described contact conducting system passes or connects described current sample components and parts, and stretches into described connection box of electric energy meter terminal board the inside.
4. three-phase electric energy meter load module type magnetic latching relay as claimed in claim 1 is characterized in that:
Described current sample components and parts are current transformer or shunt.
5. three-phase electric energy meter load module type magnetic latching relay as claimed in claim 4 is characterized in that:
Described current transformer is assemblied between the dynamic and static chip module of described connection box of electric energy meter terminal board and contact conducting system.
6. three-phase electric energy meter load module type magnetic latching relay as claimed in claim 4 is characterized in that:
Described shunt is a manganese copper diverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201493369U CN201490102U (en) | 2009-04-17 | 2009-04-17 | Three-phase electric energy meter load modular magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201493369U CN201490102U (en) | 2009-04-17 | 2009-04-17 | Three-phase electric energy meter load modular magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490102U true CN201490102U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201493369U Expired - Fee Related CN201490102U (en) | 2009-04-17 | 2009-04-17 | Three-phase electric energy meter load modular magnetic latching relay |
Country Status (1)
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| CN (1) | CN201490102U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141579A (en) * | 2010-01-29 | 2011-08-03 | 胡国祥 | Multifunctional combined terminal of intelligent electric energy meter |
| CN107576829A (en) * | 2017-10-18 | 2018-01-12 | 新开普电子股份有限公司 | A kind of single-phase electronic energy meter galvanic element structure |
| CN109406849A (en) * | 2019-01-07 | 2019-03-01 | 江苏安科瑞电器制造有限公司 | A kind of acquisition control module and method of multi-user pre-payment electric energy meter |
| CN112216562A (en) * | 2019-12-20 | 2021-01-12 | 青岛鼎信通讯股份有限公司 | Three-phase meter magnetic latching relay with manganin shunt |
-
2009
- 2009-04-17 CN CN2009201493369U patent/CN201490102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141579A (en) * | 2010-01-29 | 2011-08-03 | 胡国祥 | Multifunctional combined terminal of intelligent electric energy meter |
| CN107576829A (en) * | 2017-10-18 | 2018-01-12 | 新开普电子股份有限公司 | A kind of single-phase electronic energy meter galvanic element structure |
| CN109406849A (en) * | 2019-01-07 | 2019-03-01 | 江苏安科瑞电器制造有限公司 | A kind of acquisition control module and method of multi-user pre-payment electric energy meter |
| CN112216562A (en) * | 2019-12-20 | 2021-01-12 | 青岛鼎信通讯股份有限公司 | Three-phase meter magnetic latching relay with manganin shunt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20170417 |