CN202502952U - Contact device and electromagnetic relay provided with same - Google Patents
Contact device and electromagnetic relay provided with same Download PDFInfo
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- CN202502952U CN202502952U CN2012200813446U CN201220081344U CN202502952U CN 202502952 U CN202502952 U CN 202502952U CN 2012200813446 U CN2012200813446 U CN 2012200813446U CN 201220081344 U CN201220081344 U CN 201220081344U CN 202502952 U CN202502952 U CN 202502952U
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Abstract
The utility model provides a contact device which reduces an action sound when a contact switches and an electromagnetic relay provided with the contact device. The contact device (1) is provided with a fixed contact (5), an active piece (2), an active contact (3), a shaft (7) and a buffer part, wherein the active contact (3) which contacts or detaches the fixed contact (5) is arranged on the active piece (2), the shaft (7) is driven by a driving device, the buffer part is arranged on at least one party of the active piece (2) and the shaft (7), the shaft (7) impacts the active piece (2) through the buffer part so as to enable the active contact (3) to depart from the fixed contact (5).
Description
Technical field
The electromagnetic relay that the utility model relates to contact arrangement and possesses this contact arrangement.
Background technology
In the past, as electromagnetic relay, there was the open disclosed electromagnetic relay of 2008-226547 communique of Japan's special permission.This electromagnetic relay has: moving core, this moving core be advance and retreat by magnetic force that coil produced and vertically; Be fixed in a pair of fixed contact of main body; Movable keeper, this activity keeper makes and the state of a pair of movable contact short circuit of a pair of fixed contact arranged opposite this a pair of movable contact of maintenance down; And the movable keeper side of court is pushed the application of force unshakable in one's determination unit of moving core.The magnetic force that this moving core is produced by to coil electricity time the and being attracted towards coil sides, thus the application of force unshakable in one's determination unit compressed.Movable keeper follow above-mentioned moving core action and towards the fixed contact side shifting, thereby form the conducting state of movable contact and fixed contact butt.And then after movable contact and fixed contact butt, moving core is still attracted towards coil sides, and therefore movable keeper separates with moving core.And not to coil electricity the time, by the active force of the application of force unshakable in one's determination unit, movable keeper is pushed by moving core and is moved towards the direction away from coil with this moving core.And then movable keeper moves with the direction that a pair of fixed contact separates towards a pair of movable contact, thereby forms the not off-state of butt of movable contact and fixed contact.
Yet, in above-mentioned electromagnetic relay, moving core is separated with movable keeper, when switching, make the moving core that breaks away from originally produce the action that movable keeper is boosted towards the top with movable keeper butt once more from conducting state towards off-state.Therefore, when this butt, moving core and the collision of movable keeper, the part of collision energy can be emitted with the mode of sound (action sound).
The utility model content
Therefore, in view of this situation, the problem of the utility model is to provide a kind of contact arrangement of the action sound when having reduced the contact change action and the electromagnetic relay that possesses this contact arrangement.
In order to solve above-mentioned problem, the contact arrangement of the utility model is characterised in that this contact arrangement possesses: fixed contact; Movable part is provided with the movable contact that contacts/separate with the said fixing contact at this movable part; Axle by the drive unit driving; And buffer part, this buffer part is arranged at least one side in above-mentioned movable part and the above-mentioned axle, and above-mentioned beam warp makes above-mentioned movable contact leave from the said fixing contact by above-mentioned buffer part and the collision of above-mentioned movable part thus.
As this contact arrangement, preferably, above-mentioned buffer part is to be arranged at elastomeric element above-mentioned axle and butt position above-mentioned movable part butt.
As this contact arrangement, preferably, above-mentioned elastomeric element is the cap that covers the end of leaning on above-mentioned movable part side of above-mentioned axle.
As this contact arrangement; Preferably; It is tabular that above-mentioned movable part forms elongated rectangular shape, and above-mentioned contact arrangement has two above-mentioned movable contacts, and these two movable contacts are arranged at the both ends of the length direction of above-mentioned movable part respectively; Above-mentioned contact arrangement has two said fixing contacts, these two fixed contacts respectively with above-mentioned two movable contact arranged opposite.
Preferably; This contact arrangement also possesses contact by pressing spring; This contact applies the power of above-mentioned movable part near the direction of said fixing contact that makes by pressing spring to above-mentioned movable part; Above-mentioned axle is configured to: the axial of above-mentioned axle is equidirectional with the above-mentioned direction that power played a role that contacts by pressing spring, and above-mentioned axle drives along this axial quilt.
As this contact arrangement, preferably, the driver part that drives above-mentioned axle is disposed at the periphery of above-mentioned axle, and above-mentioned axle has: first flange part, this first flange part prevent that above-mentioned driver part from deviating from from the end of leaning on above-mentioned movable part side of above-mentioned axle; And second flange part, this second flange part prevents that above-mentioned driver part from deviating from from the end with above-mentioned end opposition side of above-mentioned axle, above-mentioned buffer part is the spring that is disposed between above-mentioned first flange part and the above-mentioned driver part.
And the electromagnetic relay of the utility model is characterised in that this electromagnetic relay possesses: above-mentioned contact arrangement; And drive unit, this drive unit drives the above-mentioned axle of above-mentioned contact arrangement.
As this electromagnetic relay; Preferably, above-mentioned drive unit is an electromagnet apparatus, and this electromagnet apparatus possesses coil, moving core and fixed iron core; And constitute: with the excitation of above-mentioned coil correspondingly; Above-mentioned moving core moves with respect to said fixing is unshakable in one's determination, and above-mentioned axle links with above-mentioned moving core, and with the mobile interlock of this moving core driven.
Through forming this structure, compare with existing electromagnetic relay, contact arrangement, the action sound in the time of can easily reducing the contact change action, and can easily suppress the reduction of the contact reliability of contact.
Preferred implementation to the utility model is narrated in more detail.Be described in detail and accompanying drawing can be understood the further feature and the advantage of the utility model better through following.
Description of drawings
Fig. 1 is the cutaway view of the contact arrangement of first execution mode.
Fig. 2 is the cutaway view that possesses the electromagnetic relay of above-mentioned contact arrangement.
Fig. 3 is the cutaway view of driver part that comprises the contact arrangement of second execution mode.
Fig. 4 is the cutaway view that possesses the electromagnetic relay of above-mentioned contact arrangement.
Embodiment
Below, be illustrated based on the execution mode of accompanying drawing the utility model.
(first execution mode)
As shown in Figure 1, contact arrangement 1 possesses: the fixed terminal 4 that is provided with fixed contact 5; Be provided with the movable part 2 of movable contact 3; The contact that movable part 2 is carried out elastic force-applying is by pressing spring 6; And axle 7, this 7 restraint spare 2 moves by what the elastic force-applying of pressing spring 6 carried out because of contact.Below, the axial Ax of axle 7 is defined as above-below direction.
Contact is pressed the main body of pressing spring 6 by constituting at above-below direction (contact/detaching direction of contact) deflection helical spring freely.For the contact press pressing spring 6, its bottom contacts with the upper surface of movable part 2, the upper end contacts with the housing of taking in contact arrangement 1 (not shown among Fig. 1), and to movable part 2 towards the below (near the direction of fixed contact 5) elastic force-applying.
Elastomeric element for example forms the terminal surface of the upper end that covers axle 7 and the lid that bottom tube-like is arranged 8 of side face.Lid 8 is installed on the upper end of axle 7.The lid 8 of bottom tube-like is arranged so that the inner surface of the side face of tube and bottom is installed (with reference to Fig. 1) with the mode of the upper end butt of axle 7.And then, being accompanied by the driving (moving of above-below direction) of axle 7, the outer surface of the bottom of lid 8 contacts/separates with the lower surface of movable part 2.And lid 8 is for example by the heat resistant rubber with durability or have durability and stable on heating sponge etc. has insulating properties and flexible material forms.In addition, as lid 8 material, the heat that produces when more preferably being difficult to because of extinguishing arc etc. produces the gas material of (being difficult to the degassing).
And the state that axle 7 is positioned at top dead centre (position of the top) is an initial position.At initial position, the movable contact 3 of movable part 2 is positioned at the position of leaving predetermined distance from the fixed contact 5 of fixed terminal 4.And then limit towards the mobile of below movable part 2 via lid 8 and movable part 2 butts thus the upper end of axle 7.Therefore, at initial position, the electrical connection between two fixed terminals 4 is cut off, and contact arrangement 1 is in off-state.
And then, axle 7 is driven and axle 7 is moved towards the below from initial position, remove mobile restriction thus to movable part 2.Be accompanied by the releasing of moving restriction, movable part 2 moves towards the below with 7 driven amounts of axle by the active force of pressing spring 6 by contact and measures accordingly.When movable part 2 has moved above-mentioned predetermined distance (movable contact 3 of initial position and the interval between the fixed contact 5) from initial position towards the below, movable contact 3 and fixed contact 5 butts.Thus, two fixed terminals 4 are electrically connected via movable part 2, and contact arrangement 1 switches to conducting state.And then, in the position of leaning on the top than the lower dead center of axle 7 position of below (), movable contact 3 and fixed contact 5 butts, behind this butt, axle 7 is further driven towards the below, thus axle 7 breaks away from (with reference to Fig. 1) from movable part 2.In addition, under conducting state, utilize contact to keep the butt between movable contact 3 and the fixed contact 5 by the active force of pressing spring 6.
On the other hand, through axle 7 is driven axle 7 is moved towards the top from conducting state, axle 7 overcomes contact and by the active force of pressing spring 6 movable part 2 is boosted towards the top, and movable contact 3 breaks away from from fixed contact 5.Thus, contact arrangement 1 switches to off-state from conducting state.
Yet, in making axle 7 and contact arrangement that movable part 2 separates, when when conducting state switches to off-state, the axle 7 that breaks away from originally once more with the lower surface butt of movable part 2, produce the action that movable part 2 is boosted towards the top.Therefore, when this butt, the upper end of axle 7 and the collision of the lower surface of movable part 2, the part of collision energy is emitted with the form of sound (action sound) sometimes.
To this, this contact arrangement 1 has cap 8 between the lower surface of the upper end of axle 7 and movable part 2, and cap 8 has elasticity.Energy when therefore, cap 8 is as absorbing impact and relax the buffer part performance function of impact.That is, in this contact arrangement 1, axle 7 makes movable contact 3 and fixed contact 5 leave via buffer part (cap 8) and movable part 2 collisions thus.Therefore; When conducting state switches to off-state (axle 7 via cap 8 with movable part 2 collisions time); Energy during collision is difficult to emit with the form of sound, the action sound in the time of can reducing the change action that contact arrangement 1 switches from the conducting state of contact towards off-state.
Below, the electromagnetic relay 10 of this execution mode of possessing above-mentioned contact arrangement 1 is described.In addition, omit explanation to the structure that repeats with above-mentioned contact arrangement 1.
The electromagnetic relay 10 of this execution mode for example is arranged at electric automobile or so-called hybrid vehicle, form be disposed between vehicle-mounted motor or converter and the vehicle-mounted battery, equipment that the vehicle-mounted dc high voltage between vehicle-mounted battery and the external power source that is used for this battery is charged is used.And then as shown in Figure 2, electromagnetic relay 10 possesses: contact arrangement 1; Drive the drive unit 15 of contact arrangement 1; Take in the housing of contact arrangement 1 and drive unit 15; And the resin cover 11 that bottom tube-like is arranged of covering shell.
Housing possesses: first housing 12 of bottom tube-like is arranged, and this first housing 12 forms the space that supplies movable part 2 to move up and down; Second housing 13 that bottom tube-like is arranged, this second housing 13 forms the space of taking in drive unit 15; And the 3rd housing 14, the three housings 14 are divided the space of first housing 12 and the space of second housing 13.First housing 12 have up the bottom and below have opening.Second housing 13 below have the bottom and have opening up.The 3rd housing 14 is disposed between first housing 12 and second housing 13 at above-below direction.Therefore, drive unit 15 is positioned at the below of contact arrangement 1.And then the axle 7 of contact arrangement 1 projects in the space of second housing 13, and slotting leading in drive unit 15.
The main body of coil 16 by have on the above-below direction axle center and towards above opening the coil rack that the round-ended cylinder shape is arranged 17 and constitute around the lead that axle is wound in the outer peripheral face of coil rack 17.Coil rack 17 has the upper flange part that prolongs towards radial outside in the upper end, have the lower flange that prolongs towards radial outside in the bottom.On the above-below direction and be between upper flange part and lower flange, to dispose lead.
Fixed iron core 18 is cylindric, the central authorities of rounded upper surface have towards below the recess 19 of depression.Fixed iron core 18 is fixed in the interior week of the bottom of coil rack 17, and the bottom of back-moving spring 20 contacts with the bottom surface of recess 19.The main body of back-moving spring 20 is by constituting at above-below direction deflection helical spring freely.
Moving core 21 is cylindric, and to be configured in the top of fixed iron core 18 with the roughly concentric mode of fixed iron core 18.Moving core 21 is by magnetic field that the excitation that is accompanied by coil 16 produced and move towards the below.This moving core 21 can move towards the below until bottom and fixed iron core 18 butts.And then moving core 21 is at the recess 22 that caves in above the court that has in interior week of bottom, and the upper end of back-moving spring 20 contacts with the bottom surface of recess 22.Utilize 20 pairs of moving cores of back-moving spring 21 to apply elastic force towards the top.
Therefore, under coil 16 unexcited A-stages, moving core 21 is by the active force of back-moving spring 20 and be positioned at the position of leaving predetermined distance from fixed iron core 18 towards the top.And then when coil 16 carried out excitation, moving core 21 moved towards the below, if excitation interrupts, then moving core 21 moves towards the top by the active force of back-moving spring 20.
And axle 7 is inserted and is led in the space in the interior week of moving core 21.And then the ratio recess 22 of moving core 21 leans on the inner peripheral surface of top to be fixed in the side face of axle 7.Therefore, moving core 21 moves with axle 7 integratedly.That is, moving core 21 forms the driver part that axle 7 is driven.When moving core 21 when move the top, axle 7 is driven towards the top, when moving core 21 when move the below, axle 7 is driven towards the below.
And then the electromagnetic relay 10 of this execution mode possesses above-mentioned contact arrangement 1.For this electromagnetic relay 10, under coil 16 unexcited A-stages, moving core 21 is positioned at the position of leaving predetermined distance from fixed iron core 18 towards the top, and therefore axle 7 is positioned at top dead centre, and contact arrangement 1 is in off-state (with reference to Fig. 2).Begin from this A-stage, when coil 16 carried out excitation, moving core 21 moved towards the below, was accompanied by this and moved, and axle 7 is being driven towards the below to be moved, and movable part 2 moves towards the below.And then, each movable contact 3 and corresponding fixed contact 5 butts, contact arrangement 1 switches to conducting state.
And under conducting state, when the excitation terminal of coil 16, moving core 21 is by the active force of back-moving spring 20 and move towards the top.Be accompanied by moving of this moving core 21, axle 7 is being driven towards the top to be moved, and axle 7 is via cap 8 and movable part 2 butts.And then behind this butt, moving core 21 further moves so that return to A-stage towards the top.Be accompanied by moving of this moving core 21, axle 7 is being driven further to be moved towards the top, and movable part 2 moves towards the top.And then each movable contact 3 leaves from fixed contact 5, and contact arrangement 1 switches to off-state.
As stated, for this electromagnetic relay 10, by the elasticity of cap 8, the collision between axle 7 and the movable part 2 is relaxed.Therefore, can reduce because of axle 7 and separate the action sound (bruit de froissement) that causes with movable part 2.Therefore, the action sound in the time of can reducing contact arrangement 1 change action.In addition, electromagnetic relay 10 is not limited to vehicle-mounted electromagnetic relay.And contact arrangement 1 is not limited to electromagnetic relay 10 (that is, can use drive unit 15 drive unit in addition of this execution mode to drive contact arrangement 1).And the butt position with movable part 2 butts that buffer part can only be arranged at axle 7 is the front end of upper end.
Yet in the contact arrangement 1 and electromagnetic relay 10 of this execution mode, buffer part is arranged at axle 7 and butt positions movable part 2 butts (upper end of axle 7).But, be not limited to this structure.
That is, buffer part can be arranged at movable part 2 and butt positions axle 7 butts (lower surface of movable part 2).The buffer part that is arranged at movable part 2 can be elastomeric element (parts that formed by elastomeric material).
And, buffer part can be arranged at movable part 2 and butt positions axle 7 butts and axle 7 with butt position both sides movable part 2 butts.
(second execution mode)
As shown in Figure 3, the structure of the buffer part of the contact arrangement 1 of second execution mode is different with first execution mode.In addition, omit to the repeat specification of the roughly the same structure of above-mentioned first execution mode, to the roughly the same or identical label of equivalent configurations mark roughly, and then, the axial Ax of axle 7 is defined as above-below direction.
This contact arrangement 1 has moving core 33 and back-moving spring 35 as the driver part that axle 7 is driven.Moving core 33 forms cylindric, the recess 34 of depression above its bottom has court.And then axle 7 is inserted and is led to the interior week in moving core 33, and moving core 33 moves freely at axial Ax with respect to axle 7.
And axle 7 possesses second flange part, 30, the second flange parts 30 that are provided with towards the radial outside extension integratedly and is disposed in the recess 34.The bottom surface butt of the upper surface of second flange part 30 and recess 34 prevents that moving core 33 from deviating from from the bottom side of axle 7.That is to say, utilize second flange part 30 to prevent that moving core 33 from deviating from from the bottom side of axle 7.And then the upper end butt of the lower surface of second flange part 30 and back-moving spring 35 utilizes back-moving spring 35 towards the top axle 7 to be applied elastic force.
For example be that main body constitutes buffer spring 31 with the helical spring.The edge part of the opening of the upper end of buffer spring 31 and cap 32 (first flange part) butt, the upper end butt of the bottom of buffer spring 31 and moving core 33.Therefore, buffer spring 31 applies elastic force with respect to 32 pairs of moving cores of cap 33 towards the below, makes moving core 33 and second flange part, 30 butts.
And, when from conducting state (with reference to Fig. 3) when off-state is switched, this contact arrangement 1 moves in the following manner.When the excitation of coil 16 was interrupted, second flange part 30 was boosted towards the top by the active force of back-moving spring 25, and axle 7 is being driven towards the top to be moved, and axle 7 is via cap 32 and movable part 2 butts.And then moving core 33 bears the active force of back-moving spring 35 via second flange part 30 and moves towards the top, leaves from fixed iron core 18.
As stated, for this contact arrangement 1, when being accompanied by that axle 7 separates with movable part 2 and cap 32 during with movable part 2 butts, thereby the collision energy when buffer spring 31 absorbs butt because of deflection takes place elasticity is difficult to collision energy is emitted with the form of sound.Action sound when therefore, being easy to reduce change action.
Below, the electromagnetic relay 10 of this execution mode of possessing above-mentioned contact arrangement 1 is described.In addition, omit the explanation of the structure that repeats to the structure that repeats with above-mentioned contact arrangement 1 and with the electromagnetic relay 10 of first execution mode.
The electromagnetic relay 10 of this execution mode for example is arranged at electric automobile or so-called hybrid vehicle, form be disposed between vehicle-mounted battery and the vehicle-mounted motor, equipment that the vehicle-mounted dc high voltage between vehicle-mounted battery and the external power source that is used for this battery is charged is used.And then as shown in Figure 4, this electromagnetic relay 10 possesses: above-mentioned contact arrangement 1; With the electromagnet apparatus is the drive unit 15 of main body; And housing.
For this electromagnetic relay 10, from off-state (with reference to Fig. 4) beginning as the contact arrangement 1 of A-stage, through coil 16 excitations, moving core 33 is drawn towards fixed iron core 18 side draughts and is moved towards the below.Be accompanied by this and move, axle 7 is being driven towards the below via second flange part 30 and is being moved, thereby removes the mobile restriction to movable part 2.And then, being accompanied by the releasing that this moves restriction, movable part 2 moves towards the below by the active force of contact by pressing spring 6, movable contact 3 and fixed contact 5 butts, contact arrangement 1 switches to conducting state.
And, when the excitation of coil 16 is interrupted, via second flange part 30 moving core 33 is moved towards the top, and axle 7 is being driven towards the top and is being moved by the active force of back-moving spring 35.And then axle 7 is via cap 32 and movable part 2 butts.And then when this butt, deflection takes place because of impact energy in buffer spring 31.And after this butt, axle 7 is being driven further to be moved towards the top, and movable contact 3 breaks away from from fixed contact 5, and contact arrangement 1 switches to off-state.
Because this electromagnetic relay 10 possesses above-mentioned contact arrangement 1, the action sound when therefore being easy to reduce change action.In addition, electromagnetic relay 10 is not limited to vehicle-mounted electromagnetic relay, and contact arrangement 1 is not limited to electromagnetic relay 10.
And second flange part 30 can not be set to one with axle 7, for example can be through anticreep parts such as E shapes ring or C shape ring are installed at axle 7 second flange part 30 be arranged at spools 7.And first flange part is not limited to cap 32, can be provided with and form as one with axle 7, perhaps can and be provided with at axle 7 installation above-mentioned anti-delinking part parts towards the radial outside extension.And, also can form the structure that do not possess cap 32 or conduct possess cap 32 with the first flange part various parts structure.And then, possessing in the contact arrangement 1 of cap 32 with the first flange part various parts in conduct, first flange part is positioned at the position of leaning on the below than cap 32.
And, in the contact arrangement 1 and electromagnetic relay 10 of second execution mode, can constitute cap 32 with the rubber-like material with first execution mode roughly the samely, reduce the action sound through the deflection of buffer spring 31 and the flexible both sides of cap 32.
More than several preferred implementations of the utility model are narrated; But do not break away from original purport of the utility model and scope, promptly under the situation of the scope that does not break away from claims, those skilled in the art can carry out various modifications and distortion.
Claims (10)
1. a contact arrangement is characterized in that,
This contact arrangement possesses:
Fixed contact;
Movable part is provided with the movable contact that contacts/separate with said fixed contact at this movable part;
Axle by the drive unit driving; And
Buffer part, this buffer part are arranged at least one side in said movable part and the said axle,
Said beam warp makes said movable contact leave said fixed contact by said buffer part and the collision of said movable part thus.
2. contact arrangement according to claim 1 is characterized in that,
Said buffer part is to be arranged at elastomeric element said axle and butt position said movable part butt.
3. contact arrangement according to claim 2 is characterized in that,
Said elastomeric element is the cap that covers the end of leaning on said movable part side of said axle.
4. contact arrangement according to claim 1 is characterized in that,
It is tabular that said movable part forms elongated rectangular shape,
Said contact arrangement has two said movable contacts, and these two movable contacts are arranged at the both ends of the length direction of said movable part respectively,
Said contact arrangement has two said fixed contacts, these two fixed contacts respectively with said two movable contact arranged opposite.
5. contact arrangement according to claim 1 is characterized in that,
Said contact arrangement also possesses contact by pressing spring, and this contact applies the power of said movable part near the direction of said fixed contact that makes by pressing spring to said movable part,
Said axle is configured to: the axial of said axle is equidirectional with the said direction that power played a role that contacts by pressing spring,
Said axle drives along this axial quilt.
6. according to each described contact arrangement in the claim 1~5, it is characterized in that,
The driver part that drives said axle is disposed at the periphery of said axle,
Said axle has: first flange part, this first flange part prevent that said driver part from deviating from from the end of leaning on said movable part side of said axle; And second flange part, this second flange part prevents that said driver part from deviating from from the end with said end opposition side of said axle,
Said buffer part is the spring that is disposed between said first flange part and the said driver part.
7. an electromagnetic relay is characterized in that,
This electromagnetic relay possesses:
Each described contact arrangement in the claim 1~5; And
Drive unit, this drive unit drive the said axle of said contact arrangement.
8. electromagnetic relay according to claim 7 is characterized in that,
Said drive unit is an electromagnet apparatus,
This electromagnet apparatus possesses coil, moving core and fixed iron core, and constitutes: with the excitation of said coil correspondingly, said moving core moves with respect to said fixed iron core,
Said axle links with said moving core, and with the mobile interlock of this moving core driven.
9. an electromagnetic relay is characterized in that,
This electromagnetic relay possesses:
The described contact arrangement of claim 6; And
Drive unit, this drive unit drive the said axle of said contact arrangement.
10. electromagnetic relay according to claim 9 is characterized in that,
Said drive unit is an electromagnet apparatus,
This electromagnet apparatus possesses coil, moving core and fixed iron core, and constitutes: with the excitation of said coil correspondingly, said moving core moves with respect to said fixed iron core,
Said axle links with said moving core, and with the mobile interlock of this moving core driven.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011063249A JP2012199129A (en) | 2011-03-22 | 2011-03-22 | Contact device and electromagnetic relay equipped with the contact device |
JP2011-063249 | 2011-03-22 |
Publications (1)
Publication Number | Publication Date |
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CN202502952U true CN202502952U (en) | 2012-10-24 |
Family
ID=47039560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200813446U Expired - Fee Related CN202502952U (en) | 2011-03-22 | 2012-03-06 | Contact device and electromagnetic relay provided with same |
Country Status (2)
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JP (1) | JP2012199129A (en) |
CN (1) | CN202502952U (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7285229B2 (en) * | 2020-03-11 | 2023-06-01 | 株式会社デンソー | electromagnetic relay |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4591224B2 (en) * | 2005-06-13 | 2010-12-01 | アンデン株式会社 | Electromagnetic relay |
JP2008226547A (en) * | 2007-03-09 | 2008-09-25 | Denso Corp | Electromagnetic relay |
-
2011
- 2011-03-22 JP JP2011063249A patent/JP2012199129A/en active Pending
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2012
- 2012-03-06 CN CN2012200813446U patent/CN202502952U/en not_active Expired - Fee Related
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JP2012199129A (en) | 2012-10-18 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20210306 |