CN206471286U - Three-phase magnetic latching relay - Google Patents
Three-phase magnetic latching relay Download PDFInfo
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- CN206471286U CN206471286U CN201720135418.2U CN201720135418U CN206471286U CN 206471286 U CN206471286 U CN 206471286U CN 201720135418 U CN201720135418 U CN 201720135418U CN 206471286 U CN206471286 U CN 206471286U
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- housing
- connection end
- latching relay
- magnetic latching
- phase magnetic
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Abstract
The utility model is related to a kind of Three-phase magnetic latching relay, including the housing with cavity and the pedestal in cavity, static contact, movable contact spring, pull bar and driving part and the current sample connection end and ampere wires connection end stretched out outside housing, housing includes the first housing and the second housing, and cavity is formed between the first housing and the second housing；Driving part and pull bar drive end drive connection, pull bar are provided with several movable contact springs, and pedestal is provided with the static contact that several are adapted with each movable contact spring respectively；The first side of housing is stretched out in current sample connection end, and the second side of housing is stretched out in ampere wires connection end, and first side is relative with second side.Simple in construction, compact, inner lead connection is regular, is easily installed.
Description
Technical field
The utility model belongs to technical field of electric equipment, and in particular to a kind of Three-phase magnetic latching relay.
Background technology
The development of ammeter is to develop into intelligent type ammeter by simple metering type, intelligent electric meter one of them be characterized in negative to electricity
Carry controllable, almost all can carry relay in intelligent electric meter from now on, magnetic keeps also having power savings advantages, thus magnetic keep after
Electrical equipment will occupy desperate most of shares in intelligent electric meter.
Existing Three-phase magnetic latching relay, is being designed without taking into full account the structure of existing ammeter, ampere wires connect
Connect end and current sample connection end and be located at side, inner lead connection is complex, and install more inconvenient.
Utility model content
The utility model aims to provide a kind of Three-phase magnetic latching relay, simple in construction, compact, inner lead connection rule
It is whole, it is easily installed.
To achieve the above object, Three-phase magnetic latching relay provided by the utility model, including the housing with cavity
And the electric current outside pedestal, static contact, movable contact spring, pull bar and the driving part and the stretching housing in the cavity
Sample connection end and ampere wires connection end, the housing includes the first housing and the second housing, first housing and described
The cavity is formed between second housing；On the driving part and the pull bar drive end drive connection, the pull bar
Provided with several movable contact springs, the pedestal is provided with the static contact that several are adapted with each movable contact spring respectively；The electricity
The first side of the housing is stretched out in stream sampling connection end, and the second side of the housing is stretched out in the ampere wires connection end,
The first side is relative with the second side.
In use, driving part driving pull bar move reciprocatingly, pull bar drive movable contact spring contacted with static contact, from
Open, and then realize the switching of relay closed and disconnected.
Current sample connection end inside meter case with being connected, and ampere wires connection end is connected with external power cord,
In Three-phase magnetic latching relay provided by the utility model, by current sample connection end located at the first side for stretching out housing
Face, and ampere wires connection end is located at the second side for stretching out housing, wherein first side and second side is relative.Using
Cheng Zhong, the current sample connection end of first side is stretched into the inside of meter case and is connected with its internal wiring, second side
Ampere wires connection end is connected with power line, on the two relative two sides on housing, is independent of each other each other, using more
It is convenient.Meanwhile, the wire connection of enclosure interior is more regular, compact, simple in construction.
Preferably, several air-flow through holes are equipped with first housing and second housing.
Preferably, the lateral wall of first housing and second housing is provided with pit, the pit and meter case
Projection be adapted.
Preferably, metalwork is provided with the pull bar.
Preferably, the current sample connection end is mutual inductor sample connection end or manganese copper diverter sampling connection end.
Preferably, the material of the housing is ambroin.
Preferably, the driving part includes coil and I-shaped armature, end and the pull bar of the I-shaped armature
End connection.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.
Fig. 1 is the structural representation of the Three-phase magnetic latching relay of the utility model embodiment；
Fig. 2 is the internal structure schematic diagram of the Three-phase magnetic latching relay of the utility model embodiment；
Fig. 3 is the front view of the Three-phase magnetic latching relay of the utility model embodiment；
Fig. 4 is the side view of the Three-phase magnetic latching relay of the utility model embodiment.
In accompanying drawing, mark as follows：
100 housings
110 first housings
120 second housings
130 air-flow through holes
140 pits
200 pedestals
300 static contacts
400 movable contact springs
500 pull bars
600 driving parts
700 current sample connection ends
800 ampere wires connection ends
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model embodiment provides a kind of Three-phase magnetic latching relay, including the housing 100 with cavity and sets
In the pedestal 200 in the cavity, static contact 300, movable contact spring 400, pull bar 500 and driving part 600 and stretching housing 100
Outer current sample connection end 700 and ampere wires connection end 800；Housing 100 includes the first housing 110 and the second housing 120,
Wherein, above-mentioned cavity is formed between the first housing 110 and the second housing 120.Driving part 600 drives with the drive end of pull bar 500
Dynamic connection, pull bar 500 is provided with several movable contact springs 400, pedestal 200 provided with several respectively with each phase of movable contact spring 400
The static contact 300 of adaptation；The first side of housing 100 is stretched out in current sample connection end 700, and ampere wires connection end 800 is stretched out
The second side of housing 100, first side is relative with second side.
In use, driving part 600 driving pull bar 500 move reciprocatingly, pull bar 500 drive movable contact spring 400 with it is quiet
Contact 300 is contacted, left, and then realizes the switching of relay closed and disconnected.
Current sample connection end 700 inside meter case with being connected, and ampere wires connection end 800 is connected with external power cord
Connect, in the Three-phase magnetic latching relay that embodiment is provided, by current sample connection end 700 located at stretching housing 100
First side, and ampere wires connection end 800 is located at the second side for stretching out housing 100, wherein first side and second side
Relatively.In use, the current sample connection end 700 of first side stretch into meter case inside and with its internal wiring
Connection, the ampere wires connection end 800 of second side is connected with power line, on the two relative two sides on housing 100,
It is independent of each other each other, using more convenient.Meanwhile, the wire connection inside housing 100 is more regular, compact, simple in construction.
The phenomenon that relay generates heat unavoidably when in use, overheat may cause inner components to burn out or influence overall
Service life, therefore, in the present embodiment, several air-flow through holes is equipped with the first housing 110 and the second housing 120
130, certain thermolysis is played to relay, is conducive to extending its service life.
In the above-described embodiments, pit 140 is additionally provided with the lateral wall of the first housing 110 and the second housing 120, the pit
140 are adapted with the projection of meter case, in use, housing 100 can be fitted close with meter case, make overall structure more steady
It is fixed.
In the above-described embodiments, metalwork is additionally provided with pull bar 500, the metalwork can keep the tough of pull bar 500
Property, it is ensured that movable contact spring 400 can be realized effective while contact with static contact 300, it is ensured that its confining force and avoid contacting
Movable contact spring 400 or static contact 300 are damaged in journey.
Because the current sample mode of ammeter differs, and magnetic latching relay design will be changed and tie by changing sample mode
Structure, wastes plenty of time and money, causes a very big difficulty to ammeter is supporting.Therefore, in the above-described embodiments, it is electric
Stream sampling connection end 700 is mutual inductor sample connection end, naturally it is also possible to which, from manganese copper diverter sampling connection end, the two is optional
First, simultaneously, the two can change sample mode easily, flexibility is high.
In the above-described embodiments, the material of housing 100 elects ambroin, safe, good economy performance as.
In the above-described embodiments, driving part 600 includes coil and I-shaped armature, the end of I-shaped armature and pull bar
500 end connection, simple in construction, easy to realize, good economy performance.Certain driving part 600 can also select other structures,
As long as pull bar 500 can be driven, which to move reciprocatingly, realizes that the contact with static contact 300 of movable contact spring 400 disconnects.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered
Row is combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
1. a kind of Three-phase magnetic latching relay, it is characterised in that including the housing with cavity and in the cavity
Pedestal, static contact, movable contact spring, pull bar and driving part and the current sample connection end stretched out outside the housing and ampere wires
Connection end, the housing includes the first housing and the second housing, forms described between first housing and second housing
Cavity；
The driving part and the pull bar drive end drive connection, the pull bar are provided with several movable contact springs, described
Pedestal is provided with the static contact that several are adapted with each movable contact spring respectively；
The first side of the housing is stretched out in the current sample connection end, and the housing is stretched out in the ampere wires connection end
Second side, the first side is relative with the second side.
2. Three-phase magnetic latching relay according to claim 1, it is characterised in that first housing and the second shell
Several air-flow through holes are equipped with body.
3. Three-phase magnetic latching relay according to claim 1 or 2, it is characterised in that first housing and described
The lateral wall of two housings is provided with pit, and the pit is adapted with the projection of meter case.
4. Three-phase magnetic latching relay according to claim 1 or 2, it is characterised in that metal is provided with the pull bar
Part.
5. Three-phase magnetic latching relay according to claim 1 or 2, it is characterised in that the current sample connection end is
Mutual inductor sample connection end or manganese copper diverter sampling connection end.
6. Three-phase magnetic latching relay according to claim 1 or 2, it is characterised in that the material of the housing is insulation
Plastics.
7. Three-phase magnetic latching relay according to claim 1, it is characterised in that the driving part includes coil and work
Word armature, the end of the I-shaped armature is connected with the end of the pull bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720135418.2U CN206471286U (en) | 2017-02-15 | 2017-02-15 | Three-phase magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720135418.2U CN206471286U (en) | 2017-02-15 | 2017-02-15 | Three-phase magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206471286U true CN206471286U (en) | 2017-09-05 |
Family
ID=59707804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720135418.2U Active CN206471286U (en) | 2017-02-15 | 2017-02-15 | Three-phase magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206471286U (en) |
-
2017
- 2017-02-15 CN CN201720135418.2U patent/CN206471286U/en active Active
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