CN109216054A - A kind of electric appliance component - Google Patents
A kind of electric appliance component Download PDFInfo
- Publication number
- CN109216054A CN109216054A CN201811243727.7A CN201811243727A CN109216054A CN 109216054 A CN109216054 A CN 109216054A CN 201811243727 A CN201811243727 A CN 201811243727A CN 109216054 A CN109216054 A CN 109216054A
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- CN
- China
- Prior art keywords
- contact
- moving contact
- electric appliance
- moving
- appliance component
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The present invention provides a kind of electric appliance components, including shell and the contact assembly being set in the shell and with the relatively-stationary support construction of the shell, the contact assembly includes: static contact, moving contact and provides the contact support sector of support for the moving contact, one end of the moving contact can be in contact or separate with the support construction, the other end of the moving contact can be in contact or separate with the static contact, the present invention can keep the balance at contact assembly both ends, simplify electric appliance component structure and reduce cost.
Description
Technical field
The present invention relates to low voltage electrical apparatus technology field more particularly to a kind of electric appliance components.
Background technique
Electric appliance component is the important component in circuit structure, by controlling electric appliance component, realize to the switching of circuit,
Control, protection and detection, electric appliance component include that contactor and relay etc. usually flow into coil by electric current to generate magnetic field, are made
Contact closure, to control the electric appliance of load.Current electric appliance component is divided into double breaking points and two kinds of single-break by contact assembly composition,
The electric appliance component reliable performance of bridge-type double-breakpoint structure, but involve great expense, need to expend excessive slider material, especially greatly
The electric appliance component (electric current > 32A) of electric current, slider material are generally silver alloy, and material cost is high.Electric appliance component presses motion mode
It is divided into rotary type and two kinds of flatly moving type, in current single-break rotational electrical apparatus component, generallys use the techniques such as punching, riveting
Using one end of moving contact as fixed pivot, the other end and static contact of moving contact realize closure or disjunction, there are complex process,
The defect of higher cost.In addition, in the closure or breaking course of moving contact and static contact, due to arc erosion, mechanical wear
Etc. reasons, the contact position of moving contact and static contact will appear abrasion condition, and the shaft end of fixed pivot then will not substantially be ground
Damage, therefore will cause contact both ends and difference in height occur and then cause structure of contact terminal uneven, influence the normal use of product.
Summary of the invention
The purpose of the present invention is to provide a kind of electric appliance components, can keep the balance at contact assembly both ends, simplify electric appliance group
Part structure simultaneously reduces cost.
In order to reach the goals above, it the invention discloses a kind of electric appliance component, including shell and is set in the shell
Contact assembly and with the relatively-stationary support construction of the shell, the contact assembly includes: static contact, moving contact and is
The moving contact provides the contact support sector supported, and one end of the moving contact can be in contact or separate with the support construction,
The other end of the moving contact can be in contact or separate with the static contact.
Preferably, the support construction is formed by insulating materials or conductive material.
Preferably, the support construction is formed by insulating materials, and the support construction is by the shell towards the dynamic touching
Head, which extends to form, or the support construction is seperated with the shell fixes.
Preferably, the electric appliance component further includes conductive connection seat, and the moving contact passes through flexible connecting line and the conduction
Junction block connection.
Preferably, the support construction is formed by conductive material, and the support construction is by the conductive connection seat towards institute
State that moving contact extends to form or the support construction is seperated with the conductive connection seat fixes.
Preferably, the supporting point that the support construction is contacted with the moving contact is formed with the first contact, the moving contact
On be formed with the second contact corresponding with first contact.
Preferably, the electric appliance component further include with the relatively-stationary position limiting structure of the shell, the position limiting structure can
It is in contact or separates with the moving contact, after the moving contact and static contact disconnection, the moving contact is in the contact branch
It is in contact after holding a distance that moves along a straight line under the drive in portion with the position limiting structure, in the position limiting structure and the contact branch
Hold portion it is common under the action of rotated.
Preferably, the distance between the position limiting structure can be contacted with the moving contact limit point and the support construction
Subtract the moving contact with the limit point contact position at thickness, be less than the moving contact and the contact support sector and connect
Connect the minimum range of place's linear motion.
Preferably, the electric appliance component further includes the electromagnetic assembly being disposed in the housing, and the electromagnetic assembly includes line
Circle, static iron core, dynamic iron core and counteracting spring, the dynamic iron core are fixedly connected with the contact support sector；
When aliving in the coil, the dynamic iron core is mobile to first direction and forms power to the contact support sector
Effect；
When electric current disconnects in the coil, the counteracting spring drives the dynamic iron core to move to the opposite direction of first direction
Effect dynamic and that power is formed to the contact support sector.
Electric appliance component of the invention uses single-break structure, can save contact cost, and support knot is provided in electric appliance component
Structure, contact support sector can drive moving contact to move back and forth, and in moving process, one end of moving contact contacts moving contact with static contact
After closure, under the drive of contact support sector, the other end of moving contact is contacted with support construction.Support construction can be to moving contact branch
Support forms balanced structure with one end that static contact is contacted with moving contact, is kept closed moving contact with static contact.The present invention
Electric appliance component structure it is simple, it is at low cost, and support construction is close with the degree of wear of static contact, avoid only moving contact with it is quiet
It is worn at contact and occurs that moving contact both ends difference in height is larger, and then moving contact and static contact is caused to contact unstable feelings
Condition.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows a kind of structural schematic diagram of electric appliance component embodiment one of the present invention；
Fig. 2 shows a kind of structural schematic diagrams of electric appliance component embodiment two of the present invention；
Fig. 3 shows a kind of structural schematic diagram of electric appliance component embodiment three of the present invention.
Appended drawing reference:
110, actuation part, 120, moving contact, 130, position limiting structure, 131, limit point, 140, flexible connecting line, 150, stationary contact
Head, 160, support construction, 170, conductive connection seat, 180, spring body, 190, spring base；
220, moving contact, 240, flexible connecting line, 250, static contact, 260, support construction, 270, conductive connection seat；
310, contact support sector, 311, boss, 320, moving contact, 330, position limiting structure, 331, limit point, 340, be flexible coupling
Line, 350, static contact, 360, support construction, 370, conductive connection seat.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, present embodiment discloses a kind of electric appliance components.In the present embodiment, which can be used as contacting
Device.Electric appliance component include shell and the contact assembly being set in the shell and with the relatively-stationary support of the shell
Structure 160.Wherein, contact assembly includes that static contact 150, moving contact 120 and the contact for providing support for the moving contact are supported
The one end in portion, the moving contact 120 can be in contact or separate with the support construction 160, and the other end of the moving contact 120 can
It is in contact or separates with the static contact 150.In the present embodiment, the support construction 160 can be in contact with the moving contact 120
Or separate, after the moving contact 120 and the contact of the static contact 150, drive of the moving contact 120 in the contact support sector
It is in contact after lower movement a distance with the support construction 160.
When the moving contact 120 is mobile towards the static contact 150 under the power effect of the contact support sector, the branch
Support structure 160 can support one end of the moving contact 120 so that the both ends of the moving contact 120 are respectively in 150 He of static contact
Reach balance under the support of moving contact 120, so that moving contact 120 and the static contact 150 are steadily contacted and are closed, support construction is made
For fulcrum, structure is simple, can reduce electric appliance component cost, and contact position can be with using time time between support construction and moving contact
Number increases and wears, and the turned position relative to moving contact in current rotational structure will not be worn substantially, supports in the present invention
Structure is corresponding with the abrasion of moving contact and static contact and moving contact, thus avoid the difference in height at moving contact both ends excessive and occur
Uneven situation.
Wherein, for the ease of processing, the shell may include pedestal, pedestal and the cover on the outside of pedestal and pedestal
Plate, to provide support and protection to internal contact assembly and support construction 160, certainly, in practical applications, shell can also be adopted
With other structures form, the present invention is to this and is not construed as limiting.
In the present embodiment, which is formed by insulating materials, it is preferred that plastic cement can be used in the support construction 160
Material is formed.In one embodiment, in order to simplify processing step and improve structural stability, which can be by
Shell is extended to form towards the moving contact 120, such as forms cylindrical or truncated cone-shaped protrusion.The support construction 160 at
When type, it can be formed together with shell by integrated injection molding form.In other embodiments, which can also be first single
Alone become it is seperated with shell again after type fix, so that support construction 160 and shell is kept relatively fixed.
In a preferred embodiment, in order to realize being electrically connected for moving contact 120 and external circuit, electric appliance component can be into one
Step includes the conductive connection seat 170 being electrically connected with external circuit, and the moving contact 120 can be led by flexible connecting line 140 with described
Electrical connection seat 170 is electrically connected to be electrically connected with external circuit, one end of the corresponding support construction 160 of moving contact 120 and flexible connecting line
140 one end welding, the other end of flexible connecting line 140 are connect with conductive connection seat 170, and moving contact 120 and static contact 150 are closed
When, it is conductive by flexible connecting line 140 between moving contact 120 and conductive connection seat 170.Moving contact 120 and static contact 150 are opened
When, since the connection of flexible connecting line 140 does not generate electric arc between moving contact 120 and conductive connection seat 170, guarantee electric arc only in dynamic touching
One end that first 120 and static contact 150 separate generates, it is only necessary to which the electric arc for eliminating moving contact 120 and 150 gap of static contact can be real
Now safely disconnect.
In a preferred embodiment, the electric appliance component may also include and the relatively-stationary position limiting structure of the shell
130, the position limiting structure 130 can be in contact or separate with the moving contact 120, and in the moving contact 120 and the stationary contact
After first 150 disconnect, the moving contact 120 move along a straight line under the drive of the contact support sector after a distance with the limit
Structure 130 is in contact, and is rotated under the action of the position limiting structure 130 and the common contact support sector, i.e., the described limit
Bit architecture 130 is limited to one end of the moving contact 120 so that the moving contact 120 turns under the action of the contact support sector
It moves so that one end of the moving contact 120 and the static contact 150 disconnection is far from the static contact 150.
Specifically, contact support sector can drive moving contact 120 to move back and forth, moving contact 120 exists first in moving process
Move linearly a distance under the drive of contact support sector, one end of moving contact 120 and the limit point contact of position limiting structure 130,
One end of moving contact 120 by position limiting structure 130 limit barrier effect and stop moving, and moving contact 120 contact support
When being continued to move under the drive in portion, it can be rotated around one end that it is limited, so that moving contact 120 be made to contact with static contact 150
The other end is opened with static contact 150 away from becoming larger, and can be promoted arc quenching effect, be increased the electric life of electric equipment products.Electric appliance of the invention
Component uses single-break structure, saves contact cost, and can reach good arc quenching effect, solves traditional single-break electric appliance group
Part in order to promote arc quenching effect, need to improve electromagnetism open away from, electromagnetic assembly and product cost caused by contact pressure, back-electromagnetic force etc.
Increase the problem of.
In a preferred embodiment, by the way that the position of position limiting structure 130 and the mobile range of contact support sector is arranged
The slewing area of controllable moving contact 120, it is preferable that the slewing area of moving contact 120 may be configured as 5~45 °, so that moving contact
There are sufficiently large clearance between open contacts, arc extinguishing when enhancing moving contact 120 and static contact 150 disconnect is imitated between 120 and static contact 150
Fruit improves the electric life of product, it is highly preferred that between the slewing area of moving contact 120 can may be configured as 10~20 °, to reach
Better arc quenching effect.
It in a preferred embodiment, include the limit point contacted with the moving contact 120 on the position limiting structure 130
131, the reciprocable under the drive of contact support sector of moving contact 120, then the effect that forces are applied on the moving contact 120
Point can move in moving range, i.e., the limit point that the described position limiting structure 130 can be contacted with the moving contact 120 and the support
The distance between structure subtract the moving contact 120 with the limit point contact position at thickness, be less than the moving contact
120 minimum ranges to move along a straight line with contact support sector junction, then the limit point 131 is moved in the moving contact 120
Mapping on dynamic direction need to be located in the mobile range.
After one end of moving contact 120 is limited the limit of structure 130, moving contact 120 can continue to mobile to promote moving contact
120 rotate around one end of moving contact 120, and increase moving contact 120 is opened with static contact 150 away from so as to improve arc extinguishing effect
Fruit.Corresponding, the support construction 160 includes the supporting point contacted with the moving contact 120, and the supporting point is in the dynamic touching
Mapping on first 120 moving direction is preferably located in the mobile range, so that moving contact 120 and static contact 150 are closed
When, support construction 160 can form one end of moving contact 120 and support, and moving contact 120 can continue to mobile to promote moving contact
120 rotate around one end that moving contact 120 is supported or do not rotate and directly contact with static contact 150, promote moving contact 120
It is in close contact with static contact 150, improves the stability of electrical work.
In a preferred embodiment, the contact support sector include connect with the electromagnetic assembly and with the moving contact
The actuation part 110 of 120 contacts and the elastic parts connecting with the moving contact 120 far from the side of the actuation part 110, should
Elastic parts can apply contact pressure to moving contact 120, to promote moving contact 120 to close to the movement of the direction of static contact.Wherein,
The moving contact 120 can be contacted with the contact on 110 surface of actuation part for plane contact, curved face contact or line, described dynamic
The space formed between contact 120 and the actuation part 110 and elastic parts can be clearance fit or transition fit, realize contact branch
Portion is held to the supporting function of moving contact.
Wherein, in a preferred embodiment, the elastic parts may include spring base 190 and spring body 180, wherein
One end of the spring base 190 is connect with the spring body 180, and the other end is connect with the moving contact 120.It is highly preferred that
Connection matching surface between the moving contact 120 and the spring base 190 can cooperate for curved surface, such as arc surface and spherical surface are matched
It closes, to realize being rotatably connected between spring base 190 and moving contact 120.
In a preferred embodiment, electric appliance component may include with moving contact support sector movement electromagnetic assembly (in figure not
Show) so that contact support sector can be further driven to the movement of moving contact 120.The electromagnetic assembly may include coil, static iron core,
Dynamic iron core and counteracting spring.Wherein the static iron core and the coil can fixed setting opposite with shell, the dynamic iron core and institutes
It is relatively fixed to state moving contact 120.When then aliving in coil, the dynamic iron core is opposite under the magnetic fields with static iron core
It is moved in static iron core, dynamic iron core movement can move to drive and the relatively-stationary moving contact of dynamic iron core with moving contact support sector
The 120 mobile closing or openings to realize the moving contact 120 and the static contact 150.When electric current in the coil disconnects,
Magnetic field force in dynamic iron core disappears, and the counteracting spring drives dynamic iron core to move round about, the mobile band moving contact of dynamic iron core
Support sector's movement is to drive the moving contact 120 to move backward, so that the moving contact 120 and the static contact 150 connect
Touching state changes.
In alternative embodiments, the dynamic touching for contacting with the static contact 150 can be formed on moving contact 120
Point, it is corresponding, can be formed on static contact 150 can with the corresponding stationary contact contacted of the movable contact, to realize static contact 150 and dynamic
The excellent electric contact of contact 120 guarantees the steady operation of electric appliance.
In a preferred embodiment, the surface that static contact 150 is contacted with moving contact 120 may be configured as with centainly oblique
Degree, gradient range preferably from respect to the horizontal plane 0-10 °, and in the present embodiment, static contact 150, can horizontal by 10 ° of angles
It forms an optimal angle when contact disconnects spray arc, transfer faster and knocks out electric arc.
It should be noted that position limiting structure 130 and the relatively fixed position to limit moving contact 120 of shell, the limit knot
Structure 130 and shell can be integrated molding, be also possible to fix with shell again after first forming, such as position limiting structure 130 can pass through
Screw, the mode buckle, inlay, being bonded or welded mutually are fixed with the shell, and the present invention is to this and is not construed as limiting.Position limiting structure
130 can be the elastic component that such as elastic slice, rubber bar material are formed, and be also possible to as plastic part, metalwork material are formed
Non-elastic member.
Position limiting structure 130 can be fixed on strip structure or cylindrical structure on shell, the strip knot using one end
Structure or cylindrical structure can be up-narrow and down-wide structure, be also possible to the equal structure of upper and lower width, and position limiting structure 130 is cut
Face shape can be the shapes such as circle, rectangle, triangle or irregular polygon, as long as can be inconsistent with moving contact 120,
It is not limited here.Preferably, there is certain gradient in the face that the position limiting structure 130 is in contact with the moving contact 120,
Gradient range is roughly the same with the angular range that moving contact 120 rotates, and to the frictional dissipation of contact surface when to reduce contact, mentions
High service life.
The electric appliance component of the present embodiment includes two processes at work, and one of process is moving contact and static contact
Disconnection process, referring to Fig. 1, the electric current on the coil of electromagnetic assembly is disconnected, and the electromagnetic force between static iron core and dynamic iron core disappears,
Dynamic iron core moves upwards under the elastic force effect of reaction spring, and dynamic iron core movement drives actuation part 110 to move, and actuation part 110
It is contacted with moving contact 120, actuation part 110 drives moving contact 120 to move up and contact with the disconnection of static contact 150.Moving contact 120
After a distance that moves along a straight line under contact support sector drives, one end of moving contact 120 is reached at position limiting structure 130, moving contact
120 continue to move to, and one end of moving contact 120 is contacted with the limit point 131 of position limiting structure 130, limit one end of moving contact 120
At limit point 131, and actuation part 110 continues to drive moving contact 120 mobile, then the both ends discontinuity equalization of moving contact 120 and
It rotates moving contact 120 to far from 150 direction of static contact, makes opening away from widening for the other end of moving contact 120 and static contact 150,
Electric arc can effectively be eliminated.
Another process is the closing course of moving contact and static contact, logical on the coil of electromagnetic assembly referring again to Fig. 1
Entering electric current, forms electromagnetic force between static iron core and dynamic iron core, dynamic iron core moves downward, and drive actuation part 110 to move downward,
Under the collective effect of elastic parts, moving contact 120 moves along a straight line downwards.When moving contact 120 reaches limiting structure, position limiting structure
130 do not recur position-limiting action, and moving contact 120 continues to move down, and the direction of moving contact 120 gradually becomes horizontal direction.When dynamic
When one end of contact 120 reaches support construction 160, moving contact 120 continues to move down, and one end of moving contact 120 and support are tied
The support point contact of structure 160, is limited in one end of moving contact 120 at supporting point, then the both ends discontinuity equalization of moving contact 120
And rotate up to moving contact 120 and 150 contact closure of static contact to close to 150 direction of static contact.Dynamic iron core can further to
Lower movement, until the seating surface of actuation part 110 leaves moving contact 120, the two forms gap, 110 overtravel of actuation part, moving contact
120 complete to be closed with static contact 150.
Embodiment two
As shown in Fig. 2, present embodiment discloses another electric appliance components.Electric appliance component in the present embodiment can be used as contacting
Device.In the present embodiment, electric appliance component includes the support construction 260 being correspondingly arranged with position limiting structure.Moving contact 220 is supported in contact
When mobile towards the static contact 250 under the action of portion, the support construction 260 can support one end of the moving contact 220
So that the moving contact 220 is closed under the action of contact support sector with the static contact 250.
In the present embodiment, in order to realize being electrically connected for moving contact 220 and external circuit, electric appliance component further comprise with outside
The conductive connection seat 270 of portion's circuit electrical connection, the moving contact 220 can pass through flexible connecting line 240 and the conductive connection seat 270
Electrical connection with external circuit to be electrically connected.
In the present embodiment, the support construction 260 is extended to form by the conductive connection seat 270, in other embodiments,
The support construction 260 can also first by conductive material it is separately formed after be fixed together again with the conductive connection seat 270, make to support
Structure 260 and conductive connection seat 270 can be in electrical contact.Preferably, which can be used metal material and is formed.
Referring to fig. 2, it is preferred that conductive connection seat 270 can be horizontally disposed with, and conductive connection seat 270 may include horizontal ontology
Portion and by the body part edge relative to the vertically extending support construction 260 of the body part.Using the conduction of the present embodiment
Junction block 270, when 220 contact closure of static contact 250 and moving contact, the support construction 260 connects with the moving contact 220
Touching, support construction 260 can share one part of current with flexible connecting line 240, and the benefit designed in this way is can be attracted in product
During, according to 260 shunting principle of flexible connecting line 240 and support construction, reduces the line footpath of flexible connecting line 240, make to be flexible coupling
240 activity of line is more flexible, improves its mechanical life.The knot of the electric appliance component in other structures and embodiment one in the present embodiment
Structure is similar, and details are not described herein.
Embodiment three
As shown in figure 3, present embodiment discloses another electric appliance components.Electric appliance component in the present embodiment can be used as electromagnetism
Relay, specifically, can be used as magnetic latching relay.The electric appliance component of the present embodiment includes contact assembly and support construction 360.
Contact assembly includes static contact 350, moving contact 320 and provides the contact support sector 310 of support for the moving contact 320.It is described
Contact support sector 310 can move under the effect of the power of the electromagnetic assembly and drive moving contact 320 mobile, the support construction
360 can be in contact or separate with the moving contact 320, after the moving contact 320 and the contact of the static contact 350, the dynamic touching
First 320 are in contact after movement a distance with the support construction 360 under the drive of the contact support sector 310.The electricity
Device assembly further includes the position limiting structure 330 being correspondingly arranged with the position limiting structure 330, and the position limiting structure 330 can be moved with described
Contact 320 is in contact or separates, and after the moving contact 320 is disconnected with the static contact 350, the moving contact 320 is described
It is in contact after a distance that moves along a straight line under the drive of contact support sector 310 with the position limiting structure 330, in the position limiting structure
330 with the contact support sector 310 it is common under the action of rotated.
Contact support sector 310 drive moving contact 320 move back and forth, moving contact 320 in moving process, moving contact 320
One end by position limiting structure 330 limit barrier effect and stop moving, and moving contact 320 is in the drive of contact support sector 310
Under when continuing to move to, moving contact 320 can be rotated around one end that it is limited, thus moving contact 320 and static contact 350 disconnect one
End can promote arc extinguishing effect further away from the static contact 350, the other end of moving contact 320 and opening away from becoming larger for static contact 350
Fruit increases the electric life of electric equipment products.Electric appliance component of the invention uses single-break structure, saves contact cost, and can reach
Good arc quenching effect solves traditional single-break electric appliance component to promote arc quenching effect, need to improve electromagnetism and open away from, contact pressure
The problem of increase of electromagnetic assembly caused by power, back-electromagnetic force etc. and product cost.
In the present embodiment, the gap for accommodating the moving contact 320 is formed in contact support sector 310.Preferably, contact branch
Two cylindrical boss 311 that can be formed in portion 310 as in the present embodiment are held, receiving can be formed between two cylindrical boss 311
The gap of the moving contact 320 forms gap using cylindrical boss 311, can also be convenient for the rotation of moving contact 320, reduces dynamic
The abrasion of contact 320.In practical applications, the actuation part of other structures can also be used, need to only be formed can accommodate the moving contact
320 gap, the present invention is to this and is not construed as limiting.
It is formed as a preferred embodiment, elastic material can be used in moving contact 320, the shape of moving contact 320 is excellent
It is selected as sheet etc. and is also easy to produce elastically-deformable structure.
The contact support sector 310 of the present embodiment no setting is required elastic parts, contact support sector 310 and moving contact 320 use
Transition fit is the deformation of moving contact 320 itself to the power effect source that moving contact 320 applies contact pressure.
In order to realize being electrically connected for moving contact 320 and external circuit, electric appliance component further comprises being electrically connected with external circuit
The conductive connection seat 370 connect, the moving contact 320 can be electrically connected by flexible connecting line 340 with the conductive connection seat 370 with
External circuit electrical connection.In the present embodiment, one end of the corresponding static contact 350 of moving contact 320 and one end of flexible connecting line 340 are welded
It connecing, the other end of flexible connecting line 340 is connect with conductive connection seat 370, when moving contact 320 and static contact 350 are closed, moving contact
It is conductive by flexible connecting line 340 between 320 and junction block 370.When moving contact 320 and static contact 350 are opened, moving contact 320 with
Since the connection of flexible connecting line 340 does not generate electric arc between junction block 370, electric arc is only produced between moving contact 320 and static contact 350
It is raw, it is only necessary to eliminate the electric arc between moving contact 320 and static contact 350 and can be realized and safely disconnect.In other embodiments, consider
The position of conductive connection seat 370, one end of flexible connecting line 340 can also position limiting structure 330 corresponding with moving contact 320 one end welding
It is fixed, to realize being electrically connected for moving contact 320 and conductive connection seat 370.
The electric appliance component of the present embodiment includes equally at work two processes, and one of process is moving contact and stationary contact
The disconnection process of head is passed through direct impulse voltage referring to Fig. 3 on the coil of electromagnetic assembly, dynamic iron core is moved iron by positive suction
The movement of 320 support sector 310 of core ribbon moving contact, the movement of contact support sector 310 drive moving contact 320 to move upwards.When moving contact 320
When reaching position limiting structure 330, one end of the corresponding position limiting structure 330 of moving contact 320 and 331 phase of limit point on position limiting structure 330
It supports, moving contact 320 is limited the blocking of structure 330, when contact support sector 310 drives moving contact 320 to continue movement, moving contact 320
Both ends force unbalance, moving contact 320 to far from static contact 350 direction rotate, moving contact 320 is far from position limiting structure 330
One end and static contact 350 disconnect, and widen clearance between open contacts, promote arc extinguishing ability.Another process is moving contact and static contact
Closing course.Referring again to Fig. 3, reverse impulse voltage is passed through on the coil of electromagnetic assembly, dynamic iron core is moved by reversed suction
Iron core band moving contact support sector 310 move, contact support sector 310 movement drive moving contact 320 move downward, moving contact 320 by
Rotation direction gradually becomes horizontal direction.Contact support sector 310 continues that moving contact 320 is driven to move downward, and the one of moving contact 320
End is contacted with static contact 350, and the other end of moving contact 320 is supported 360 barrier support of structure, contact support sector 310 continue to
Lower operation deforms under the central tension trend of moving contact 320, generates contact pressure, moving contact 320 and static contact 350 complete closure
State.Other structures in the present embodiment are similar with the structure of electric appliance component in embodiment one, and details are not described herein.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (9)
1. a kind of electric appliance component, which is characterized in that including shell and the contact assembly being set in the shell and with it is described
The relatively-stationary support construction of shell, the contact assembly include: static contact, moving contact and provide support for the moving contact
One end of contact support sector, the moving contact can be in contact or separate with the support construction, and the other end of the moving contact can
It is in contact or separates with the static contact.
2. electric appliance component according to claim 1, which is characterized in that the support construction is by insulating materials or conductive material
It is formed.
3. electric appliance component according to claim 2, which is characterized in that the support construction is formed by insulating materials, described
Support construction, which is extended to form by the shell towards the moving contact, or the support construction is seperated with the shell fixes.
4. electric appliance component according to claim 2, which is characterized in that the electric appliance component further includes conductive connection seat, institute
Moving contact is stated to connect by flexible connecting line with the conductive connection seat.
5. electric appliance component according to claim 4, which is characterized in that the support construction is formed by conductive material, described
Support construction is extended to form by the conductive connection seat towards the moving contact or the support construction and the conductive connection
Seat is seperated fixed.
6. electric appliance component according to claim 4, which is characterized in that the branch that the support construction is contacted with the moving contact
Support point is formed with the first contact, and the second contact corresponding with first contact is formed on the moving contact.
7. electric appliance component according to claim 1, which is characterized in that the electric appliance component further includes opposite with the shell
Fixed position limiting structure, the position limiting structure can be in contact or separate with the moving contact, the moving contact and the static contact
After disconnection, the moving contact is moved along a straight line under the drive of the contact support sector after a distance and the position limiting structure connects
Touching, is rotated under the action of the position limiting structure and the common contact support sector.
8. electric appliance component according to claim 7, which is characterized in that the position limiting structure can be contacted with the moving contact
The distance between limit point and the support construction subtract the moving contact with the limit point contact position at thickness, it is small
In the minimum range of the moving contact and contact support sector junction linear motion.
9. electric appliance component according to claim 1-8, which is characterized in that the electric appliance component further includes being set to institute
State the intracorporal electromagnetic assembly of shell, the electromagnetic assembly includes coil, static iron core, dynamic iron core and counteracting spring, the dynamic iron core with
The contact support sector is fixedly connected；
When aliving in the coil, the dynamic iron core is mobile to first direction and the work of power is formed to the contact support sector
With；
When electric current disconnects in the coil, the counteracting spring drives the dynamic iron core mobile simultaneously to the opposite direction of first direction
The effect of power is formed to the contact support sector.
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| CN201811243727.7A CN109216054A (en) | 2018-10-24 | 2018-10-24 | A kind of electric appliance component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811243727.7A CN109216054A (en) | 2018-10-24 | 2018-10-24 | A kind of electric appliance component |
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| CN109216054A true CN109216054A (en) | 2019-01-15 |
Family
ID=64996359
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| CN201811243727.7A Pending CN109216054A (en) | 2018-10-24 | 2018-10-24 | A kind of electric appliance component |
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| CN (1) | CN109216054A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020083329A1 (en) * | 2018-10-24 | 2020-04-30 | 首瑞（天津）电气设备有限公司 | Electrical component |
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