CN107204251B - Relay - Google Patents
Relay Download PDFInfo
- Publication number
- CN107204251B CN107204251B CN201610156787.XA CN201610156787A CN107204251B CN 107204251 B CN107204251 B CN 107204251B CN 201610156787 A CN201610156787 A CN 201610156787A CN 107204251 B CN107204251 B CN 107204251B
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- Prior art keywords
- bridge
- stationary contact
- auxiliary
- dynamic touching
- dynamic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
Abstract
The invention discloses a kind of relays, comprising: shell, stationary contact bridge, dynamic touching bridge, pushing mechanism and detection components.Stationary contact bridge is set on the shell, and dynamic touching bridge is movably arranged in shell between the conduction position be connected with stationary contact bridge and the open position separated with stationary contact bridge, and pushing mechanism is connected with dynamic touching bridge for pushing dynamic touching bridge to move between conduction position and open position；Detection components include the dynamic touching bridge of auxiliary and auxiliary stationary contact bridge, the dynamic touching bridge of auxiliary is connected with pushing mechanism, auxiliary stationary contact bridge is set on the shell, and dynamic touching bridge location assists dynamic touching bridge to be connected with auxiliary stationary contact bridge when conduction position, and dynamic touching bridge location assists dynamic touching bridge and auxiliary stationary contact bridge to disconnect when open position；It is located at stationary contact bridge and assists the barricade between stationary contact bridge.Relay according to the present invention can quickly detect dynamic touching bridge by detection components on the circuit locating for relay and not turn on stationary contact bridge or the case where adhesive failure and timely feedback, the functional reliability and safety of relay can be improved in this way.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly to a kind of relay.
Background technique
In the relay of the relevant technologies, after the contact of relay is attracted, it is used to judge to detect without corresponding detection components
Whether contact is connected, once contact be not turned on or contact bonding, relay using when be all difficult quickly to detect and feed back to ask out
Topic point.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention exists
In proposing that a kind of relay, the relay can detecte whether contact is connected, high reliablity.
Relay according to an embodiment of the present invention, comprising: shell；Stationary contact bridge, the stationary contact bridge are set on the housing；It is dynamic
Bridge is touched, the dynamic touching bridge can between the conduction position be connected with the stationary contact bridge and the open position separated with the stationary contact bridge
It is movably located in the shell；Pushing mechanism, the pushing mechanism is connected with the dynamic touching bridge, for pushing the dynamic touching bridge
It is moved between the conduction position and the open position；Detection components, the detection components include the dynamic touching bridge of auxiliary and auxiliary
Stationary contact bridge is helped, the dynamic touching bridge of auxiliary is connected with the pushing mechanism, and the auxiliary stationary contact bridge is set on the housing, described dynamic
It touches bridge location dynamic touching bridge of auxiliary when the conduction position to be connected with the auxiliary stationary contact bridge, the dynamic touching bridge location is in described disconnected
The dynamic touching bridge of auxiliary and the auxiliary stationary contact bridge disconnect when open position；Barricade, the barricade be located at the stationary contact bridge with it is described
To increase the stationary contact bridge to the creepage distance between the auxiliary stationary contact bridge between auxiliary stationary contact bridge.
Relay according to an embodiment of the present invention, by assisting dynamic touching bridge and auxiliary stationary contact bridge can be locating for the relay
It quickly detects dynamic touching bridge on circuit and stationary contact bridge does not turn on or the case where adhesive failure, so as to dynamic touching bridge and stationary contact bridge
Whether conducting is detected and is timely feedbacked, and by the way that barricade is arranged between stationary contact bridge and auxiliary stationary contact bridge, can be increased quiet
Bridge is touched to the creepage distance between auxiliary stationary contact bridge, thus, it is possible to improve the functional reliability and safety of relay.
According to one embodiment of present invention, the dynamic touching bridge of the auxiliary is elastic slice, and the auxiliary stationary contact bridge includes interval cloth
The multiple conducting wires set, for the dynamic touching bridge in the conduction position, the multiple conducting wire is connected in the elastic slice.
Further, through-hole is formed on the shell, the inner surface of the through-hole is equipped with metalization layer, the conducting wire
It is inserted into the through-hole and is electrically connected with the metalization layer.
According to some embodiments of the present invention, the shell is in the framework shape of open at its lower end, the stationary contact bridge and described
Auxiliary stationary contact bridge is located on the roof of the shell, and the lower end of the shell is connected with yoke.
Further, the pushing mechanism includes: dynamic iron core；Drive shaft, the lower end of the drive shaft and the dynamic iron core
It is connected and relative position is fixed, the upper yoke is equipped with the static iron core for extending downwardly and being set on the outside of the drive shaft, institute
The upper end for stating drive shaft passes through the static iron core and is connected with the dynamic touching bridge；Reset spring, the reset spring are set in described
On the outside of drive shaft and both ends are connected with the dynamic iron core and the static iron core respectively.
Further, sleeve is equipped with below the upper yoke, the sleeve is set on the outside of the static iron core, and described
Dynamic iron core is slidably sleeved on along the vertical direction in the sleeve.
Optionally, it moves and is formed with mounting hole on touching bridge, the upper end of the drive shaft passes through the mounting hole, the dynamic touching bridge
Be equipped with: upper insulating boot, the upper insulation is located at the upper surface of described dynamic touching bridge and is set in the outside of the drive shaft, described
The lower end of upper insulating boot is protruded into the mounting hole；Lower insulating boot, the lower insulation are located at below the dynamic touching bridge and are arranged
In the outside of the drive shaft, the upper end of the lower insulating boot is protruded into the mounting hole and is set in the upper insulating boot lower end
Lateral surface on and be interference fitted.
Further, the upper end of the drive shaft is equipped with washer and circlip, and the washer is located at the circlip and described
Between upper insulating boot.
Optionally, the outer peripheral surface that the part of the upper yoke is stretched out on the driving axial is equipped with defining flange, described
The outer sheath of drive shaft is equipped with buffer spring, and the upper end of the buffer spring is connected with the lower insulating boot and the buffering elastic
The lower end of spring is connected with the defining flange.
Optionally, the dynamic touching bridge of auxiliary and the upper insulating boot are integrally formed.
Optionally, the barricade is two, and the dynamic touching bridge location of auxiliary is between two barricades.
Optionally, the barricade is configured to U-shaped, tabular or tubular.
Detailed description of the invention
Fig. 1 is a schematic diagram of the relay of the embodiment of the present invention.
Fig. 2 is cross-sectional view when relay is in open position in Fig. 1.
Fig. 3 is another cross-sectional view when relay is in open position in Fig. 1.
Fig. 4 is cross-sectional view when relay is in the close position in Fig. 1.
Fig. 5 is another cross-sectional view when relay is in the close position in Fig. 1.
Fig. 6 is an explosive view of Fig. 1.
Fig. 7 is the schematic diagram of one embodiment of the shell of the relay of the embodiment of the present invention.
Fig. 8 is a cross-sectional view of another embodiment of the shell of the relay of the embodiment of the present invention.
Fig. 9 is another cross-sectional view of another embodiment of the shell of the relay of the embodiment of the present invention.
Figure 10 is a partial view of the pushing mechanism of the relay of the embodiment of the present invention.
Appended drawing reference:
Relay 100, shell 101, stationary contact bridge 102 move touching bridge 103, pushing mechanism 104, and detection components 105 assist dynamic
Bridge 106 is touched, stationary contact bridge 107, through-hole 110, the roof 111 of shell, the lower end 112 of shell, upper yoke 113, dynamic iron core are assisted
114, drive shaft 115, reset spring 116, static iron core 117, sleeve 118, mounting hole 119, upper insulating boot 120, lower insulating boot
121, washer 122, circlip 123, defining flange 124, buffer spring 125, connected unit 126, limit flange 128, annular slot
129, matching hole 130, first boss 131, second boss 132, location hole 133, barricade 153.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Relay 100 according to an embodiment of the present invention is described in detail below with reference to Fig. 1 to Figure 10.
Referring to figs. 1 to Figure 10, relay 100 according to an embodiment of the present invention, including shell 101, stationary contact bridge 102, dynamic touching
Bridge 103, pushing mechanism 104, detection components 105 and barricade 153.
Specifically, stationary contact bridge 102 can be located on shell 101 in conjunction with Fig. 1 to Fig. 5, move touching bridge 103 can with it is quiet
Touch the conduction position (referring to Fig. 4 and Fig. 5) and the open position isolated with stationary contact bridge 102 that bridge 102 is connected (referring to Fig. 2 and Fig. 3)
Between be movably arranged in shell 101；Pushing mechanism 104 can be connected with dynamic touching bridge 103, and pushing mechanism 104 can be used for
Dynamic touching bridge 103 is pushed to move between conduction position and open position；Detection components 105 may include assisting dynamic touching 106 He of bridge
Stationary contact bridge 107 (referring to Fig. 3) is assisted, assists dynamic touching bridge 106 that can be connected with pushing mechanism 104, auxiliary stationary contact bridge 107 can be set
On shell 101, the dynamic touching bridge 106 of auxiliary can be connected with auxiliary stationary contact bridge 107 when dynamic touching bridge 103 is located at conduction position, move touching
The dynamic touching bridge 106 of auxiliary can be disconnected with auxiliary stationary contact bridge 107 when bridge 103 is located at open position.Barricade 153 is located at stationary contact bridge 102
Between auxiliary stationary contact bridge 107, barricade 153 can increase stationary contact bridge 102 to the creepage distance between auxiliary stationary contact bridge 107.Gear
Wall 153 can be made of insulating materials, the stationary contact bridge 102 being connected with load circuit usually band high-voltage electricity, and assist stationary contact bridge 107
Then band low tension can prevent auxiliary stationary contact bridge by the way that barricade 153 is arranged between stationary contact bridge 102 and auxiliary stationary contact bridge 107
107, which pass through the shell 101 being electrically polarized with stationary contact bridge 102, is connected.It as a result, can be to relay 100 by detection components 105
Whether stationary contact bridge 102 and dynamic touching bridge 103 are connected and are detected.
Relay 100 according to an embodiment of the present invention, by assist dynamic touching bridge 106 and auxiliary stationary contact bridge 107 can after
It quickly detects dynamic touching bridge 103 on circuit locating for electric appliance 100 and stationary contact bridge 102 does not turn on or the case where adhesive failure, thus
Dynamic touching bridge 103 can be detected and be timely feedbacked with whether stationary contact bridge 102 is connected, and by stationary contact bridge 102 and auxiliary
Barricade 153 is set between stationary contact bridge 107, stationary contact bridge 102 can be increased to the creepage distance between auxiliary stationary contact bridge 107, as a result,
The functional reliability and safety of relay 100 can be improved.
It should be noted that described, " the dynamic touching bridge 106 of auxiliary can be with auxiliary stationary contact when dynamic touching bridge 103 is located at conduction position
Bridge 107 is connected " it includes at least:
1) external circuits are separately connected the dynamic touching bridge 106 of auxiliary and auxiliary stationary contact bridge 107, can be determined by external circuits auxiliary
Whether power-assist touching bridge 106 and auxiliary stationary contact bridge 107 are connected, it is possible to further determine dynamic touching 103 present position of bridge (conducting position
Set or open position).
2) auxiliary stationary contact bridge 107 includes two conducting wires spaced apart from each other, and external circuits connection assists two of stationary contact bridge 107
Conducting wire makes this two conducting wire conductings by the dynamic touching bridge 106 of auxiliary when dynamic touching bridge 103 is located at conduction position, to pass through external electricity
Road determines whether the dynamic touching bridge 106 of auxiliary and auxiliary stationary contact bridge 107 are connected, it is possible to further determine dynamic touching 103 present position of bridge
(conduction position or open position).
3) auxiliary stationary contact bridge 107 includes more conducting wires spaced apart from each other, and external circuits connection assists more of stationary contact bridge 107
Root conducting wire is connected this multiple conducting wires by the dynamic touching bridge 106 of auxiliary when dynamic touching bridge 103 is located at conduction position, thus by external
Circuit determines whether the dynamic touching bridge 106 of auxiliary and auxiliary stationary contact bridge 107 are connected, it is possible to further determine position locating for dynamic touching bridge 103
Set (conduction position or open position).In addition, by the position that this multiple conducting wires is rationally arranged, when relay breaks down,
The position that failure occurs can be determined according to the mutual on state of multiple conducting wires.
In addition, as shown in Figures 2 and 3, pushing mechanism 104 includes drive shaft 115, dynamic touching bridge 106 is assisted to can be set
The top upper end of drive shaft 115 (for example, in Fig. 2 or Fig. 3) of drive shaft 115, in addition, the dynamic touching bridge 106 of auxiliary can be fixed on
Slidably, such as locating part and the dynamic touching bridge 106 of elastic component restriction auxiliary is arranged in the top of drive shaft 115 or relative drive shaft 115
Position, may be implemented to assist the buffering of dynamic touching bridge 106.Alternatively, it is also possible to which dynamic touching bridge 106 setting will be assisted in dynamic touching bridge 103
On, wherein dynamic touching bridge 103 is slidably set in the upper end of drive shaft 115, is provided with buffer spring below dynamic touching bridge 103
125, dynamic touching bridge 103 can do kicking motion up and down along drive shaft 115, thus, it is possible to guarantee detection to a certain extent
Accuracy and stationarity.
As shown in figure 5 and figure 10, in some embodiments of the invention, the dynamic touching bridge 106 of auxiliary can be elastic slice, assist quiet
Touching bridge 107 may include spaced apart multiple conducting wires, and moving touching bridge 103 can be in conduction position, and multiple conducting wires are connected in elastic slice.
Thus, it is possible to dynamic touching bridge 103 is detected with whether stationary contact bridge 102 is connected, it can so as to improve the work of relay 100
By property.
Preferably, conducting wire can be two, move touching bridge 103 in conduction position, this two conducting wire conductings；Also it can be set
The conducting wire of other quantity, and determine that dynamic touching bridge 103 is located at conduction position in the case where the conducting of this multiple conducting wires, in this way, can be with
Further improve the safety of relay 100.
It is of course also possible to a conducting wire is arranged, by detection conducting wire and assist conducting between stationary contact bridge 107 and disconnect come
Determine whether dynamic touching bridge 103 is moved to conduction position.
In addition, dynamic touching bridge 106 and auxiliary stationary contact bridge 107 is assisted to be also possible to the component of other conductive energy, this
Invention is to the dynamic touching bridge 106 of auxiliary and the concrete form of stationary contact bridge 107 is assisted to be not construed as limiting, and can according to need in practical application suitable
Answering property selects.
Further, referring to Fig. 7 to Fig. 9, it could be formed with through-hole 110 on shell 101, it can on the inner surface of through-hole 110
To be equipped with metalization layer, conducting wire can be inserted in through-hole 110 and be electrically connected with metalization layer.Thus, it is possible to be detection components 105
Advantageous testing conditions are provided.
Referring to Fig. 2 and Fig. 7 is combined, the matching hole 130 for installing stationary contact bridge 102 can also be formed on shell 101.
For example, in the example of hgure 5, conducting wire can be inserted in through-hole 110 and be electrically connected with metalization layer, meanwhile, auxiliary
The dynamic touching such as elastic slice of bridge 106 can be electrically connected with the metalization layer of 110 lower surface of through-hole, thus, it is possible to realize the dynamic touching bridge of auxiliary
Electrical connection between 106 and auxiliary stationary contact bridge 107, is detected so as to the conduction status to relay 100.
It is understood that referring to Fig. 3, led since the inner surface of through-hole 110 and the metalization layer of upper and lower surface have
Electrical property, as long as so conducting wire ensures the lower end for assisting such as conducting wire of stationary contact bridge 107 (for example, assisting stationary contact in Fig. 3 in welding
The lower end of bridge 107) accuracy that can guarantee subsequent detection is not protruded into the cavity of shell 101.
In addition, shell 101 can be welded with conducting wire, thus, it is possible to guarantee the sealing performance of relay 100.
Wherein, shell 101 can select such as ceramic material to be made, thus, it is possible to which shell 101 is enabled to have preferably
Insulation performance and high temperature resistant, so as to guarantee the safety in utilization of relay 100 to a certain extent.
The description of the above-mentioned material to shell 101 is only exemplary, and is not considered as limiting the invention, the present invention
The material of shell 101 is not especially limited, can according to need adaptability selection in practical application.
In addition, Fig. 8 and Fig. 9 show the shell 101 of the relay 100 of other two kinds of embodiments according to the present invention,
In, in the example of fig. 8, barrier wall structure is increased in the bottom of through-hole 110, thus, it is possible to effectively prevent assisting dynamic touching bridge 106
Such as elastic slice is swung, and can also increase the creepage distance between stationary contact bridge 102 and the dynamic touching bridge 106 of auxiliary.In the example of figure 9,
Another barrier wall structure is increased in the bottom of through-hole 110, can not only prevent from assisting the dynamic touching such as elastic slice of bridge 106 as a result,
It swings, independent arc extinguishing chamber can also be formed, copper, which splashes, when preventing arcing influences the detection accuracy of detection components 105.
The present invention is not construed as limiting the specific constructive form of through-hole 110 in above-mentioned shell 101, can basis in practical application
Adaptability is needed to select.
As shown in Figure 2 and Figure 7, shell 101 can be in the framework shape of open at its lower end, stationary contact bridge 102 and auxiliary stationary contact bridge
It 107 can be located on the roof 111 of shell 101 upper end of shell 101 (for example, in Fig. 2), the lower end 112 of shell 101 (for example,
The lower end 112 of shell 101 in Fig. 2) it can connect yoke 113.
For example, referring to Fig. 2, relay 100 can also include connected unit 126, and the lower end 112 of shell 101 can be with connection
Platform 126 is connected, and in other words, shell 101 can be placed on connected unit 126, wherein upper yoke 113 can be located at connected unit 126
Lower section, the lower end surface of connected unit 126 can be bonded with the upper surface of upper yoke 113.Thus, it is possible to guarantee to a certain extent
The structural stability of relay 100.Further, as shown in Fig. 2, pushing mechanism 104 may include dynamic iron core 114, drive shaft
115 and reset spring 116, the lower end of drive shaft 115 lower end of drive shaft 115 (for example, in Fig. 2) can be with dynamic iron core 114
It is connected and drive shaft 115 and the relative position of dynamic iron core 114 can be fixed, upper yoke 113 is equipped with and extends downwardly and be set in
The static iron core 117 in the outside of drive shaft 115 (for example, side of the center line in Fig. 2 far from drive shaft 115), drive shaft 115 it is upper
The end upper end of drive shaft 115 (for example, in Fig. 2) passes through static iron core 117 and is connected with the dynamic bridge 103 that touches.Reset spring 116 is set in drive
The both ends lower end and upper end of reset spring 116 (for example, in Fig. 2) of the outside of moving axis 115 and reset spring 116 respectively with dynamic iron core
114 are connected with static iron core 117.As a result, dynamic iron core 114 can move up and down under the action of pushing mechanism 104, so as to
So that relay 100 can switch between conduction position and open position.
Further, referring to Fig. 2 and Fig. 1 is combined, can be equipped with sleeve 118 below upper yoke 113, sleeve 118 can be with
It is set in the outside of static iron core 117, and dynamic iron core 114 can (for example, up and down direction shown in Fig. 2) slidably along the vertical direction
Ground is set in sleeve 118.
Wherein, as shown in figure 3, the upper end upper end of static iron core 117 (for example, in Fig. 3) of static iron core 117 can be equipped with first
Boss 131 and second boss 132, first boss 131 can be located at the top of second boss 132.Referring to Fig. 3 and Fig. 6 is combined, on
The location hole 133 for being suitable for positioning second boss 132 is also provided on yoke 113.
In addition, limit flange 128 can be with upper yoke as shown in Fig. 2, the upper end of sleeve 118 can be equipped with limit flange 128
The lower end surface of iron 113 is bonded, and sleeve 118 can be set in the periphery of dynamic iron core 114 and static iron core 117, thus, it is possible to dynamic iron
Core 114 and static iron core 117 are limited, so as to ensure the action accuracy of relay 100.
Wherein, sleeve 118 can select the modes such as laser welding or threaded connection and drive shaft 115 fixed.
Optionally, referring to Fig. 2 and combine Fig. 6, could be formed with mounting hole 119 on dynamic touching bridge 103, drive shaft 115 it is upper
End can pass through mounting hole 119, and upper insulating boot 120 and lower insulating boot 121 can be equipped with by moving on touching bridge 103, upper insulating boot 120 can
To be located at the upper surface of dynamic touching bridge 103 and be set in the outside of drive shaft 115, the lower end of upper insulating boot 120 can protrude into mounting hole
In 119, lower insulating boot 121 can be located at dynamic touching bridge 103 below and be set in the outside of drive shaft 115, lower insulating boot 121 it is upper
End can be protruded into mounting hole 119 and be set on the lateral surface of 120 lower end of insulating boot and be interference fitted.Thus, it is possible to will
Drive shaft 115 is isolated with dynamic touching bridge 103, and then high-low pressure is insulated, and avoids the damage and punch-through of low-pressure end component
Occur, so as to improve the quality and safety in utilization of relay 100.
Wherein, in the example of Fig. 2 and Fig. 6, upper insulating boot 120 and lower insulating boot 121 can be generally formed into hollow
Step tubulose, upper insulating boot 120 and lower insulating boot 121 can select such as plastics to be made.
It should be noted that the above-mentioned description to upper insulating boot 120 and lower 121 shape of insulating boot and material is example
Property, it is not considered as limiting the invention, certainly, upper insulating boot 120 and lower insulating boot 121 can also select other materials
Such as nonmetallic materials etc. can according to need in practical application and be adaptively adjusted.
Further, referring to Fig. 6 and Fig. 2 is combined, the upper end upper end of drive shaft 115 (for example, in Fig. 2) of drive shaft 115
It can be equipped with washer 122 and circlip 123, and washer 122 can be located between circlip 123 and upper insulating boot 120.Thus, it is possible to
Guarantee the leakproofness of relay 100.
In addition, circlip 123 can be fastened on ring as shown in fig. 6, the upper end of drive shaft 115 can be equipped with annular slot 129
In shape card slot 129, washer 122 can be located between circlip 123 and upper insulating boot 120.Washer 122 can reduce circlip 123
Stress, so as to prevent circlip 123 from falling off.
Optionally, as shown in figs. 2 and 10, stretch out on the outer peripheral surface of the part of upper yoke 113 upwards can be with for drive shaft 115
Equipped with defining flange 124 (referring to Fig.1 0), the outside of drive shaft 115 is (for example, one of the center line in Fig. 2 far from drive shaft 115
Side) it can be arranged with buffer spring 125, and the upper end upper end of buffer spring 125 (for example, in Fig. 2) of buffer spring 125 can be with
It is connected with lower insulating boot 121 and the lower end of buffer spring 125 lower end of buffer spring 125 (for example, in Fig. 2) can be with limit convex
Edge 124 is connected.Thus, it is possible to make the movement of drive shaft 115 gentler.
In addition, the defining flange 124 in drive shaft 115 can be resisted against the upper end of the first boss 131 of static iron core 117,
Thus, it is possible to guarantee the gap between dynamic touching bridge 103 and stationary contact bridge 102, so as to ensure to assist dynamic touching bridge 106 and auxiliary quiet
Touch the action accuracy of bridge 107.
Optionally, the dynamic touching bridge 106 of auxiliary can be integrally formed with upper insulating boot 120.Thus, it is possible to simplify processing work
Skill reduces cost.
In addition, upper insulating boot 120 is integrally formed with the dynamic touching bridge 106 of auxiliary such as elastic slice, main contacts (packet can be increased
Include touching bridge 103 and stationary contact bridge 102) with auxiliary contact (including assisting dynamic touching bridge 106 and assisting stationary contact bridge 107) climb it is electric away from
From guaranteeing the safety of auxiliary line.Copper scale when can also prevent arcing on conducting wire splash enter upper insulating boot 120 and it is lower absolutely
Make main contacts (including dynamic touching bridge 103 and stationary contact bridge 102) and auxiliary contact (including the dynamic touching bridge 106 of auxiliary and auxiliary in edge cover 121
Stationary contact bridge 107) conducting, destroys accuracy and safety that auxiliary line determines.
Upper insulating boot 120 can be integrally formed with the dynamic touching such as elastic slice of bridge 106 of auxiliary and be placed in the upper of dynamic touching bridge 103
End is quiet using the dynamic touching such as elastic slice of bridge 106 of the driving auxiliary of drive shaft 115 and the auxiliary in the metalization layer in upper end housing 101
It touches such as conducting wire of bridge 107 to be formed into a loop, the function of touching bridge 103 and the conducting of stationary contact bridge 102 or adhesive failure situation is moved as detection,
It assists such as conducting wire of stationary contact bridge 107 can be welded using silver-bearing copper with shell 101, thereby may be ensured that the close of relay 100
Feng Xing.
Preferably, barricade 153 can be integrally formed with shell 101, barricade 153 or ceramics, and barricade 153 can be with
Extend from the roof 111 of shell 101 to the lower end of shell 101 112.
As shown in figure 8, barricade 153 can be two, assist dynamic touching bridge 106 that can be located between two barricades 153.Also
It is to say, assists dynamic touching bridge 106 that can move between two barricades 153, can prevents from assisting dynamic touching bridge 106 and stationary contact bridge 102
Short circuit.
As shown in Fig. 3-Fig. 8, barricade 153 is it is so structured that U-shaped, barricade 153 can also prevent from assisting dynamic 106 turns of bridge of touching
It is dynamic, make to assist dynamic touching bridge 106 preferably with auxiliary 107 face of stationary contact bridge.
Certainly, the shape of barricade 153 is not limited to U-shaped, can also be other shapes, such as plate or tubular etc..
The course of work of relay 100 according to an embodiment of the present invention is described in detail below with reference to Fig. 1 to Figure 10.
Specifically, as shown in Figures 2 and 3, relay 100 is in open position at this time, touching bridge 103 and stationary contact bridge are moved
102 separation, relay 100 are not turned on, while the dynamic touching such as elastic slice of bridge 106 being assisted to separate with the metalization layer on shell 101, this
When can give conducting wire certain signal for example, by resistance value method etc., whereby it can be detected that the route is in an off state, it was demonstrated that
Relay 100 does not turn on.
As shown in Figure 4 and Figure 5, relay 100 is on position under the promotion of pushing mechanism 104 at this time, moves touching bridge
103 and stationary contact bridge 102 contact, relay 100 works normally, while the dynamic touching such as elastic slice of bridge 106 being assisted to drive in drive shaft 115
Under realization electrical connection can be contacted with 101 metalization layer of shell, can give conducting wire certain letter for example, by resistance value method etc. at this time
Number, it is in the conductive state so as to detect the route, it was demonstrated that relay 100 works normally.So far it completes real according to the present invention
Apply the course of work of the relay 100 of example.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal 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 specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of relay characterized by comprising
Shell；
Stationary contact bridge, the stationary contact bridge are set on the housing；
Dynamic touching bridge, the dynamic touching bridge is in the conduction position be connected with the stationary contact bridge and the open position separated with the stationary contact bridge
Between be movably arranged in the shell；
Pushing mechanism, the pushing mechanism are connected with the dynamic touching bridge, for pushing the dynamic touching bridge in the conduction position and
It is moved between the open position；
Detection components, the detection components, which include that auxiliary is dynamic, touches bridge and auxiliary stationary contact bridge, and the auxiliary is dynamic to touch bridge and the promotion
Mechanism is connected, and the auxiliary stationary contact bridge is set on the housing, and the dynamic touching bridge location auxiliary when conduction position is dynamic
Touching bridge is connected with the auxiliary stationary contact bridge, the dynamic touching the bridge location dynamic touching bridge of auxiliary and auxiliary when the open position
Stationary contact bridge disconnects；
Barricade, the barricade are located between the stationary contact bridge and the auxiliary stationary contact bridge to increase the stationary contact bridge to the auxiliary
Creepage distance between stationary contact bridge；
The dynamic touching bridge of auxiliary is elastic slice, and the auxiliary stationary contact bridge includes spaced apart multiple conducting wires, and the dynamic touching bridge is in institute
When stating conduction position, the multiple conducting wire is connected in the elastic slice；
Through-hole is formed on the shell, the inner surface of the through-hole is equipped with metalization layer, and the conducting wire is inserted into the through-hole
It is interior and be electrically connected with the metalization layer.
2. relay according to claim 1, which is characterized in that the shell is in the framework shape of open at its lower end, described
Stationary contact bridge and the auxiliary stationary contact bridge are located on the roof of the shell, and the lower end of the shell is connected with yoke.
3. relay according to claim 2, which is characterized in that the pushing mechanism includes:
Dynamic iron core；
Drive shaft, the lower end of the drive shaft is connected with the dynamic iron core and relative position is fixed, the upper yoke be equipped with to
Lower extension and the static iron core being set on the outside of the drive shaft, the upper end of the drive shaft pass through the static iron core and the dynamic touching
Bridge is connected；
Reset spring, the reset spring be set on the outside of the drive shaft and both ends respectively with the dynamic iron core and the quiet iron
Core is connected.
4. relay according to claim 3, which is characterized in that be equipped with sleeve, the sleeve below the upper yoke
It is set on the outside of the static iron core, and the dynamic iron core is slidably sleeved on along the vertical direction in the sleeve.
5. relay according to claim 3, which is characterized in that it is formed with mounting hole on dynamic touching bridge, the drive shaft
Upper end passes through the mounting hole, and the dynamic touching bridge is equipped with:
Upper insulating boot, the upper insulation are located at described dynamic touching the upper surface of bridge and are set in the outside of the drive shaft, it is described on
The lower end of insulating boot is protruded into the mounting hole；
Lower insulating boot, the lower insulation is located at below the dynamic touching bridge and is set in the outside of the drive shaft, described lower exhausted
The upper end of edge cover is protruded into the mounting hole and is set on the lateral surface of the upper insulating boot lower end and is interference fitted.
6. relay according to claim 5, which is characterized in that the upper end of the drive shaft is equipped with washer and circlip, and
The washer is located between the circlip and the upper insulating boot.
7. relay according to claim 5, which is characterized in that stretch out the part of the upper yoke on the driving axial
Outer peripheral surface be equipped with defining flange, the outer sheath of the drive shaft is equipped with buffer spring, and the upper end of the buffer spring with
The lower insulating boot is connected and lower end is connected with the defining flange.
8. relay according to claim 5, which is characterized in that the dynamic touching bridge of auxiliary and the upper insulating boot injection molding one
It is body formed.
9. relay according to claim 1, which is characterized in that the barricade is two, the dynamic touching bridge location of auxiliary in
Between two barricades.
10. relay according to claim 1, which is characterized in that the barricade is configured to U-shaped, tabular or tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156787.XA CN107204251B (en) | 2016-03-18 | 2016-03-18 | Relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156787.XA CN107204251B (en) | 2016-03-18 | 2016-03-18 | Relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107204251A CN107204251A (en) | 2017-09-26 |
| CN107204251B true CN107204251B (en) | 2019-08-13 |
Family
ID=59904280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610156787.XA Active CN107204251B (en) | 2016-03-18 | 2016-03-18 | Relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107204251B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542355B (en) * | 2020-11-30 | 2024-02-23 | 武汉同力同为科技有限公司 | Direct current relay with improved short circuit resistance |
| WO2023217963A1 (en) * | 2022-05-12 | 2023-11-16 | Tdk Electronics Ag | Switch device with main contacts and at least two auxiliary contacts |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204497155U (en) * | 2014-12-25 | 2015-07-22 | 比亚迪股份有限公司 | A kind of relay pushing mechanism and relay |
| CN104810207A (en) * | 2014-01-27 | 2015-07-29 | Ls产电株式会社 | Electromagnetic relay |
| CN104867785A (en) * | 2015-05-11 | 2015-08-26 | 温州大学 | Permanent magnetic contactor with breaking protection device |
| CN105244204A (en) * | 2014-06-25 | 2016-01-13 | 泰连德国有限公司 | Switching arrangement |
-
2016
- 2016-03-18 CN CN201610156787.XA patent/CN107204251B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810207A (en) * | 2014-01-27 | 2015-07-29 | Ls产电株式会社 | Electromagnetic relay |
| CN105244204A (en) * | 2014-06-25 | 2016-01-13 | 泰连德国有限公司 | Switching arrangement |
| CN204497155U (en) * | 2014-12-25 | 2015-07-22 | 比亚迪股份有限公司 | A kind of relay pushing mechanism and relay |
| CN104867785A (en) * | 2015-05-11 | 2015-08-26 | 温州大学 | Permanent magnetic contactor with breaking protection device |
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| Publication number | Publication date |
|---|---|
| CN107204251A (en) | 2017-09-26 |
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