CN106992098B - Arc blocking type clapper relay - Google Patents
Arc blocking type clapper relay Download PDFInfo
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- CN106992098B CN106992098B CN201710321296.0A CN201710321296A CN106992098B CN 106992098 B CN106992098 B CN 106992098B CN 201710321296 A CN201710321296 A CN 201710321296A CN 106992098 B CN106992098 B CN 106992098B
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- movable
- movable spring
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- reed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Abstract
The invention discloses an arc-blocking type clapper relay, which comprises a base, wherein a fixed contact component and a movable contact component are arranged above the base, the fixed contact component comprises a fixed contact, the movable contact component comprises a movable contact piece positioned on the front side of the fixed contact and a movable contact fixed on the movable contact piece, an insulating frame is fixed on the base, the insulating frame comprises a front part positioned on the front side of the movable contact, side parts positioned on the left side and the right side of the movable contact and a bottom part positioned on the lower side of the movable contact, the fixed contact is provided with a fixed contact surface matched with the movable contact, one end of the bottom part of the insulating frame, far away from the front part, and one end of the side part of the insulating frame, far away from the front part, are relatively positioned on the rear side of the contact surface of the fixed contact, and the height position of the upper edge of the front part of the insulating.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a clapper type relay.
Background
The clapper type relay comprises a base made of plastic materials, a movable contact component and a fixed contact component, wherein the movable contact component comprises a movable reed, an armature and a plastic insulating block located between the movable reed and the armature, the movable reed moves along with the armature, a load leading-out pin is fixed on the base, the upper part of the load leading-out pin is located on the upper side of the base and is fixed with a fixed contact, the movable contact is located at the lower end of the movable reed, and the combination position of the movable contact and the fixed contact is located on the lower side of the plastic insulating block. The base and the plastic fixed block of the existing clapper type relay are easy to ignite by electric arc generated by breaking of passive static contact, and only about 450V is achieved, so that the existing clapper type relay is limited in use occasions and cannot be used in the high-voltage field (direct current voltage is higher than 450V), and the clapper type relay used on a new energy vehicle and a bus has the risk of being burnt.
The static contact and the movable contact are provided with contact surfaces which are matched with each other, because of the production and assembly problems, the contact surfaces of the two static contacts are difficult to ensure on the same plane, and a gap of about 0.1mm is formed between the contact surfaces of the two static contacts, so that a group of static contacts are contacted when the static contacts are contacted, a gap is also formed between the movable contact and the static contact of the other group of static contacts, the current cannot be normally conducted, so that the condition that the relay cannot respond exists, and the reliability of the relay is poor; two groups of movable and static contacts are jointed, but the pressures applied to the corresponding static contacts by the two movable contacts are different, the static contacts which are pressed more greatly are abraded more greatly, and the service life of the relay is shortened to be shorter.
Disclosure of Invention
The invention aims to provide an arc blocking type clapper relay which can block arcs to avoid the burning of the relay by the arcs generated by the breaking of a moving contact and a static contact.
In order to achieve the purpose, the invention adopts the following technical scheme: the arc blocking type clapper relay comprises a base, wherein a fixed contact component and a movable contact component are arranged above the base, the fixed contact component comprises a fixed contact, the movable contact component comprises a movable contact spring positioned on the front side of the fixed contact and a movable contact fixed on the movable contact spring, an insulating frame is fixed on the base and comprises a front part positioned on the front side of the movable contact, side parts positioned on the left side and the right side of the movable contact and a bottom part positioned on the lower side of the movable contact, the fixed contact is provided with a fixed contact surface matched with the movable contact, one end of the bottom part of the insulating frame, far away from the front part, one end of the side part of the insulating frame, far away from the front part, are relatively positioned on the rear side of the contact surface of the fixed contact, and the height position of the front edge of the insulating frame and the height position of the side part of.
According to the invention, the insulating frame is fixed on the base, and the electric arc generated by breaking of the moving contact and the static contact is blocked through the front part, the side part and the bottom part of the insulating frame, so that the plastic parts of the base or other relays are prevented from being ignited, the clapper type relay is prevented from being burnt out, and the fire explosion accident is avoided, so that the voltage of the clapper type relay can be made larger, and the clapper type relay is suitable for new energy vehicles and bus vehicles; and the breaking of the movable contact and the static contact can be quicker by using large voltage, so that the clapper type relay is quicker to respond. The insulating frame can be fixed to the base in various ways, for example, an accommodating groove is formed in the base and used for accommodating the bottom of the insulating frame, and the insulating frame is positioned in the accommodating groove and fixed to the base through glue. Wherein, through setting up the insulating frame to make electric arc can beat on the insulating frame inner wall, with consumption electric arc energy, avoid high energy electric arc and base contact so that the base burning.
Preferably, one end of each of the side portions of the insulating frame, which is far away from the front portion, is located at the rear side of the stationary contact. Because the electric arc can bounce after touching the insulating frame inner wall, through extension insulating frame lateral part in order to avoid electric arc to hit on the base.
Preferably, the rear wall of the front part of the insulating frame is provided with a plurality of limiting bulges extending backwards, or the front side of the bottom of the insulating frame is provided with limiting bulges extending upwards, and the movable spring is positioned between the limiting bulges and the fixed contact; the number of the limiting bulges is two, and the two limiting bulges are arranged at left and right intervals. The movable spring is limited by the limiting block, so that the movable spring is prevented from being overturned forwards excessively to be separated from a set position after the movable and static contacts are disconnected, the movable and static contacts cannot be in normal contact next time, and the use stability of the relay is ensured. Wherein, the setting of two stoppers for movable contact spring is more steady when movable contact spring and stopper contact.
Preferably, be fixed with left magnet steel and right magnet steel on the base, left side magnet steel contacts with the left lateral part left wall that is located of insulating frame mutually, the lateral part right wall that is located the right side of right magnet steel and insulating frame contacts mutually. The magnetic steel is directly contacted with the insulating frame, so that the magnetic steel is closer to the moving contact and the static contact, arc extinction is carried out through magnetic blow and the arc extinction effect is improved.
As preferred, be fixed with left magnetic conduction board and right magnetic conduction board on the base, be formed with on the base and be used for the cooperation the heavy groove of left magnetic conduction board and right magnetic conduction board, left side magnetic conduction board lower extreme is located a heavy inslot, and left magnetic conduction board contacts with the left end face of left magnet steel, right magnetic conduction board lower extreme is located a heavy inslot, and the right end face of right magnetic conduction board and right magnet steel contacts. The magnetic conduction plate made of the magnetic conduction material is arranged, so that the interference of the magnetic fields of the left magnetic steel and the right magnetic steel on other electronic components outside the relay is avoided, and the leakage flux is reduced, so that the service performance of the relay is maintained.
Preferably, the movable spring is linked with the armature, the movable spring and the armature are respectively fixed on one of the front side and the rear side of the fixed block, the movable spring comprises a first movable spring and a second movable spring, the first movable spring and the second movable spring are two independent parts, one end of the second movable spring is fixed on the fixed block, the other end of the second movable spring is fixed on the first movable spring through a fixing part, the first movable spring is arranged on one of the front side and the rear side of the second movable spring, and a gap is formed between the first movable spring and the second movable spring.
The movable spring is composed of two mutually independent parts, the second movable spring is used for being fixed with the fixed block to be linked with the armature, the first movable spring is used for fixing the movable contact, and the first movable spring is fixed with the second movable spring through the fixed piece, and a gap is formed between the first movable spring and the second movable spring; when the armature moves, the armature and the fixed block move and enable the second movable spring piece and the first movable spring piece to move, when a movable contact on one end of the left end and the right end of the first movable spring piece is in contact with a corresponding fixed contact, due to factors such as gravity, the other end of the left end and the right end of the first movable spring piece moves towards the fixed contact side, so that the plane where the first movable spring piece is located is inclined relative to the plane where the second movable spring piece is located, and finally the movable contact on the other end of the left end and the right end of the first movable spring piece is in contact with the corresponding fixed contact. The movable contacts at the two ends of the first movable reed can be contacted with the fixed contacts, and the two movable contacts apply the same pressure to the fixed contacts, so that the two groups of movable and fixed contacts are normally contacted and disconnected, the normal use of the relay can be ensured, the abrasion of the two groups of movable and fixed contacts is the same, and the service life of the relay cannot be shortened due to the fact that one group of movable and fixed contacts is abraded too fast. Wherein, because first movable spring and second movable spring are two mutually independent spare parts, the copper product that the second movable spring can adopt current movable spring produces, and first movable spring can adopt the copper product that the rigidity is lower than current movable spring copper product to produce for first movable spring overturns more easily and removes.
Preferably, the first movable reed and the second movable reed are both of a sheet strip structure, the axis of the second movable reed is vertically arranged, the first movable reed and the second movable reed are fixed to enable the movable reed to be of an inverted T-shaped structure, the second movable reed comprises an upper section and a lower section, the first movable reed comprises a left section, a middle section and a right section, the upper section of the second movable reed is fixed with the fixed block, the lower section of the second movable reed is fixed with the middle section of the first movable reed, and the width of the lower section of the second movable reed is smaller than that of the upper section of the second movable reed. The width (the distance between the left and the right) of the lower section of the second movable spring leaf is smaller than the width of the upper section of the second movable spring leaf, and the strength of the lower section (the part fixed with the first movable spring leaf) of the second movable spring leaf is reduced, so that the first movable spring leaf can turn over and move conveniently, the movable contact and the fixed contact of the relay can be normally disconnected, and the normal use of the relay can be ensured.
Preferably, the first movable spring plate is provided with a plurality of first matching holes, the second movable spring plate is provided with second matching holes corresponding to the first matching holes, the fixing part comprises a fixing wire, the fixing wire penetrates through the first matching holes and the second matching holes, and the end part of the fixing wire penetrates through the second matching holes and the first matching holes and then is bent, so that the first movable spring plate is limited between the second movable spring plate and the end part of the fixing part; or the second movable spring is limited between the first movable spring and the end part of the fixed wire; the fixing piece comprises a rivet, the fixing piece penetrates through the first matching hole and the second matching hole, one end, far away from the riveting cap, of the fixing piece is deformed to form a deformation block, and the distance length between the inner edge of the deformation block and the inner edge of the riveting cap is larger than the sum of the thickness of the first movable spring piece and the thickness of the second movable spring piece; or the fixing piece comprises a nut and a screw, and the threaded part of the screw passes through the first matching hole and the second matching hole and then is fixed with the nut, so that the first movable spring plate and the second movable spring plate are limited between the head of the screw and the nut.
Wherein, the wire for fixing can select the iron wire of different model specifications. When the fixing piece (fixing wire) is fixed, the first movable spring piece and the second movable spring piece can be attached tightly, the end part of the fixing piece is attached tightly with the second movable spring piece or the first movable spring piece, and a gap is formed between the middle part of the fixing piece and the first movable spring piece or the second movable spring piece so as to facilitate the bending of the end part of the fixing piece; because the first movable spring and the second movable spring are two mutually independent parts, the first movable spring and the second movable spring cannot be kept in a close state all the time, and the gap can move from the middle part of the first movable spring and the middle part of the fixing wire to the middle part of the first movable spring and the second movable spring. The first movable spring plate can move on the rivet so that the movable contact on the first movable spring plate can be contacted with the fixed contact. The first movable spring plate and the second movable spring plate can be fixed in a nut and screw matching mode, the existence of a gap is kept, and the threaded part of the screw penetrates through the first movable spring plate and the second movable spring plate and then is fixed with the nut, so that the first movable spring plate is limited.
Preferably, the number of the first engaging holes is two, and the two first engaging holes are spaced from each other in the vertical direction. The interval sets up about two first mating holes, and the interval sets up about two second mating holes, and the interval sets up about more two first mating holes for first movable contact spring is more firm with the fixed of second movable contact spring, and makes the scope of first movable contact spring left end or right-hand member upset to the stationary contact side bigger, makes the left end of first movable contact spring to the stationary contact side deflection or the right-hand member to the stationary contact side deflection be easier with corresponding stationary contact.
Preferably, a plurality of positioning columns and a plurality of first riveting holes are arranged on the front side of the fixing block, a plurality of first positioning holes matched with the plurality of positioning columns are formed in one end, away from the first movable reed, of the second movable reed, one end, away from the first movable reed, of the second movable reed is limited between the limiting block and the fixing block, a second riveting hole matched with the first riveting hole is formed in the limiting block, and the rivet penetrates through the second riveting hole and the first riveting hole to be riveted so that the fixing block, the movable reed and the limiting block are fixed; the limiting block is provided with a second positioning hole matched with the positioning column, the fixing block, the second movable spring and the limiting block are matched to enable the positioning column to sequentially penetrate through the first positioning hole and the second positioning hole, and the first positioning holes are arranged at intervals up and down. The second movable spring plate can be positioned more accurately and fixed conveniently by the arrangement.
The invention prevents the electric arc by arranging the insulating frame to block the electric arc, reduces the energy carried by the electric arc, prevents the high-energy electric arc from contacting with plastic parts such as the base and the like to burn the plastic parts such as the base and the like, prevents the clapper type relay from being burnt out, avoids the generation of fire and explosion accidents, and ensures that the voltage of the clapper type relay can be larger, thereby being suitable for new energy vehicles and buses. And the breaking of the movable contact and the static contact can be quicker by using large voltage, so that the clapper type relay is quicker to respond. The invention has the advantages that when the contact surfaces of the static contacts of the two static contacts are not on the same plane, the two groups of dynamic and static contacts can be normally contacted and disconnected, and the normal use of the relay can be ensured.
Drawings
FIG. 1 is a schematic view of a base and an insulating frame of the present invention;
FIG. 2 is a schematic diagram of a relay according to the present invention with the outer cover removed;
FIG. 3 is a cross-sectional view of a relay according to the present invention;
FIG. 4 is a cross-sectional view of the insulating frame of the present invention;
FIG. 5 is a schematic diagram of one configuration of the movable contact assembly of the present invention;
FIG. 6 is another schematic structural diagram of the movable contact assembly of the present invention;
FIG. 7 is a side view of the engagement of the first movable spring with the second movable spring in accordance with the present invention;
fig. 8 is an exploded view of the moving contact assembly of the present invention.
Detailed Description
The arc blocking clapper relay of the invention is further described below with reference to the accompanying drawings and embodiments.
As shown in figures 1, 2, 3, 4 and 5, the arc-blocking type clapper relay comprises a base 1 made of plastic, a fixed contact component and a movable contact component are arranged above the base 1, the fixed contact component comprises a fixed contact 2, the movable contact component comprises a movable contact piece 3 positioned on the front side of the fixed contact 2 and a movable contact 4 fixed on the movable contact piece 3, an insulating frame 5 made of ceramic is fixed on the base 1, the insulating frame 5 comprises a front part 51 positioned on the front side of the movable contact 4, side parts 52 positioned on the left side and the right side of the movable contact 4 and a bottom part 53 positioned on the lower side of the movable contact 4, the fixed contact 2 is provided with a fixed contact surface 21 matched with the movable contact 4, one end of the bottom part 53 of the insulating frame 5 far away from the front part 51 and one end of the side parts 52 of the insulating frame 5 far away from the front part 51 are both relatively positioned on the rear side of the fixed contact surface 21, and the, The height position of the upper edge of the side part 52 of the insulating frame 5 is higher than that of the upper edge of the movable contact 4 or the upper edge of the fixed contact 2.
The ends of the side portions 52 of the insulating frame 5 remote from the front portion 51 are located on the rear side of the stationary contact 2 and the load extraction pin 22. Two limit protrusions 511 extending backwards are formed on the rear wall of the front part 51 of the insulation frame 5, the movable reed 3 is positioned between the limit protrusions 511 and the fixed contact 2, and the two limit protrusions 511 are arranged at left and right intervals.
Be fixed with left magnet steel 11 and right magnet steel 12 on the base 1, left magnet steel 11 contacts with the left lateral part left wall that is located of insulating frame 5 mutually, and right magnet steel 12 contacts with the lateral part right wall that is located the right side of insulating frame 5 mutually. A left magnetic conductive plate 13 and a right magnetic conductive plate 14 are fixed on the base 1, a sinking groove 15 used for matching the left magnetic conductive plate 13 and the right magnetic conductive plate 14 is formed on the base 1, the lower end of the left magnetic conductive plate 13 is positioned in the sinking groove 15, the left magnetic conductive plate 13 is contacted with the left end face of the left magnetic steel 11, the lower end of the right magnetic conductive plate 14 is positioned in the sinking groove 15, and the right magnetic conductive plate 14 is contacted with the right end face of the right magnetic steel 12. The base 1 is provided with a magnetic steel positioning groove for limiting the left magnetic steel and the right magnetic steel, and the left magnetic steel and the right magnetic steel are respectively positioned in one magnetic steel positioning groove 16; preferably, the left magnetic steel and the right magnetic steel can also be fixed in the magnetic steel positioning groove 16 through glue; the left magnetic steel and the right magnetic steel can be fixed with the base in other various existing modes.
As shown in fig. 5, 6, 7, and 8, the movable spring 3 is linked with the armature 61, the movable spring and the armature 3 are fixed to one of the front and rear sides of the fixed block 62, the movable spring 3 includes a first movable spring 31 and a second movable spring 32, the first movable spring 31 and the second movable spring 32 are two independent parts, one end of the second movable spring 32 is fixed to the fixed block 62, the other end of the second movable spring 32 is fixed to the first movable spring 31 through the fixed block 6, the first movable spring 31 is disposed behind the second movable spring 32, and a gap is formed between the first movable spring 31 and the second movable spring 32.
First movable spring leaf 31 and second movable spring leaf 32 all are slice bar structure, the vertical setting of second movable spring leaf 32 axis, first movable spring leaf 31 is fixed with second movable spring leaf 32 so that movable spring leaf 3 is the structure of falling T, second movable spring leaf 32 includes upper segment 321 and hypomere 322, first movable spring leaf 31 includes left section 311, middle section 312 and right section 313, second movable spring leaf upper segment 321 is fixed mutually with fixed block 62, second movable spring leaf hypomere 322 is fixed with first movable spring leaf 31's middle section 312, the width of second movable spring leaf hypomere 322 is less than the width of second movable spring leaf upper segment 321.
First movable spring 31 is formed with two first mating holes 33, and two first mating holes 33 are from top to bottom the interval setting, and second movable spring 32 is equipped with the second mating hole 34 that corresponds first mating hole 33, and mounting 6 is including fixed line, and mounting 6 passes second mating hole 34 and first mating hole 33 in proper order, and the tip of mounting 6 is buckled after passing second mating hole 34 and first mating hole 32 to restrict first movable spring 31 between second movable spring 32 and the mounting 6 tip.
The height position of the upper edge of the lower section 322 of the second movable spring 32 is higher than the height position of the upper edge of the middle section 312 of the first movable spring 31, the height position of the lower edge of the lower section 322 of the second movable spring 32 is equal to the height position of the lower edge of the middle section 312 of the first movable spring 31, and the distance between the upper edge and the lower edge of the lower section 322 of the second movable spring 32 is larger than the distance between the upper edge and the lower edge of the middle section 312 of the first movable spring 31.
One side that fixed block 62 is fixed with movable reed 3 is equipped with two reference columns 621 and two first riveting holes 622, and the one end formation that first movable reed 31 was kept away from to second movable reed 32 forms the first locating hole 35 with reference column 621 complex, and two first locating holes 35 are the interval from top to bottom set up, and two first riveting holes 622 control the interval and set up, and two reference columns 621 are located between two first riveting holes 622. One end of the second movable spring plate 32, which is far away from the first movable spring plate 31, is limited between the limiting block 63 and the fixed block 62, the limiting block 63 is formed with a second riveting hole 631 which is matched with the first riveting hole 622, and the rivet 64 passes through the second riveting hole 631 and the first riveting hole 622 to rivet so as to fix the fixed block 62, the second movable spring plate 32 and the limiting block 63. The limiting block 63 is formed with a second positioning hole 632 matching with the positioning post 621, and the fixing block 62, the second movable spring piece 32 and the limiting block 63 are matched to make the positioning post 621 sequentially pass through the first positioning hole 35 and the second positioning hole 632, so as to limit the second movable spring piece 32 between the fixing block 62 and the limiting block 63.
According to the invention, the insulating frame is fixed on the base, and the electric arc generated by breaking of the moving contact and the static contact is blocked through the front part, the side part and the bottom part of the insulating frame, so that the plastic parts of the base or other relays are prevented from being ignited, the clapper type relay is prevented from being burnt out, and the fire explosion accident is avoided, so that the voltage of the clapper type relay can be made larger, and the clapper type relay is suitable for new energy vehicles and bus vehicles; and the breaking of the movable contact and the static contact can be quicker by using large voltage, so that the clapper type relay is quicker to respond. The insulating frame can be fixed to the base in various ways, for example, an accommodating groove is formed in the base and used for accommodating the bottom of the insulating frame, and the insulating frame is positioned in the accommodating groove and fixed to the base through glue. Wherein, through setting up the insulating frame to make electric arc can beat on the insulating frame inner wall, with consumption electric arc energy, avoid high energy electric arc and base contact so that the base burning.
In the assembling process of the relay, the contact surface matched with the left movable contact and the contact surface matched with the right movable contact of the left fixed contact and the right fixed contact cannot be ensured to be on the same plane, and a gap of about 0.1mm is formed between the contact surfaces of the two fixed contacts, so that one group of fixed contacts and one group of movable contacts are contacted when the fixed contacts and the movable contacts are contacted, a gap is also formed between the movable contact and the fixed contact of the other group of movable contacts and the fixed contacts, and the current cannot be normally conducted, so that the condition that the relay cannot respond is generated, and the reliability of the relay is poor; two groups of movable and static contacts are jointed, but the pressures applied to the corresponding static contacts by the two movable contacts are different, the static contacts which are pressed more greatly are abraded more greatly, and the service life of the relay is shortened to be shorter. The invention has the advantages of normal contact breaking of two groups of moving and static contacts, normal use of the relay and prolonging the service life of the relay.
Claims (9)
1. An arc blocking clapper type relay is characterized by comprising a base, a fixed contact component and a movable contact component are arranged above the base, the static contact assembly comprises a static contact, the movable contact assembly comprises a movable spring piece positioned on the front side of the static contact and a movable contact fixed on the movable spring piece, the base is fixed with an insulating frame which comprises a front part positioned at the front side of the movable contact, side parts positioned at the left side and the right side of the movable contact and a bottom part positioned at the lower side of the movable contact, the static contact is provided with a static contact surface matched with the movable contact, one end of the bottom of the insulating frame far away from the front part and one end of the side part of the insulating frame far away from the front part are both relatively positioned at the rear side of the static contact surface, the height position of the upper edge of the front part of the insulating frame and the height position of the upper edge of the side part of the insulating frame are higher than the height position of the upper edge of the movable contact or the upper edge of the fixed contact; a plurality of limit bulges extending backwards are formed on the rear wall of the front part of the insulating frame, or limit bulges extending upwards are formed on the front side of the bottom of the insulating frame, and the movable spring is positioned between the limit bulges and the static contact; the movable spring is linked with the armature, the movable spring and the armature are respectively fixed on one of the front side and the rear side of the fixed block, the movable spring comprises a first movable spring and a second movable spring, the first movable spring and the second movable spring are two mutually independent parts, one end of the second movable spring is fixed with the fixed block, the other end of the second movable spring is fixed with the first movable spring through a fixing piece, the first movable spring is arranged on one of the front side and the rear side of the second movable spring, and a gap is formed between the first movable spring and the second movable spring.
2. The arc stop clapper relay according to claim 1, wherein the ends of the side portions of the insulating frame away from the front portion are located at the rear side of the stationary contact.
3. The arc blocking clapper type relay as claimed in claim 1, wherein the number of the limiting protrusions is two, and the two limiting protrusions are arranged at a left-right interval.
4. The arc blocking clapper type relay according to claim 1, wherein the base is fixed with a left magnetic steel and a right magnetic steel, the left magnetic steel is in contact with a left wall of a left side portion of the insulating frame, and the right magnetic steel is in contact with a right wall of a right side portion of the insulating frame.
5. The arc blocking type clapper relay according to claim 4, wherein the base is fixed with a left magnetic conductive plate and a right magnetic conductive plate, the base is formed with a groove for matching the left magnetic conductive plate and the right magnetic conductive plate, the lower end of the left magnetic conductive plate is located in one groove, the left magnetic conductive plate is in contact with the left end face of the left magnetic steel, the lower end of the right magnetic conductive plate is located in one groove, and the right magnetic conductive plate is in contact with the right end face of the right magnetic steel.
6. The arc blocking type clapper relay as claimed in claim 1, wherein the first movable reed and the second movable reed are both in a sheet strip structure, the axis of the second movable reed is vertically arranged, the first movable reed and the second movable reed are fixed to make the movable reed in an inverted T-shaped structure, the second movable reed comprises an upper section and a lower section, the first movable reed comprises a left section, a middle section and a right section, the upper section of the second movable reed is fixed to the fixed block, the lower section of the second movable reed is fixed to the middle section of the first movable reed, and the width of the lower section of the second movable reed is smaller than that of the upper section of the second movable reed.
7. The arc blocking type clapper relay as claimed in claim 1, wherein the first movable spring is formed with a plurality of first mating holes, the second movable spring is provided with second mating holes corresponding to the first mating holes, the fixing member comprises a fixing wire, the fixing wire passes through the first mating holes and the second mating holes, and the end of the fixing wire passes through the second mating holes and the first mating holes and then is bent to limit the first movable spring between the second movable spring and the end of the fixing member; or the second movable spring is limited between the first movable spring and the end part of the fixed wire;
the fixing piece comprises a rivet, the fixing piece penetrates through the first matching hole and the second matching hole, one end, far away from the riveting cap, of the fixing piece is deformed to form a deformation block, and the distance length between the inner edge of the deformation block and the inner edge of the riveting cap is larger than the sum of the thickness of the first movable spring piece and the thickness of the second movable spring piece;
or the fixing piece comprises a nut and a screw, and the threaded part of the screw passes through the first matching hole and the second matching hole and then is fixed with the nut, so that the first movable spring plate and the second movable spring plate are limited between the head of the screw and the nut.
8. The arc blocking clapper type relay according to claim 7, wherein the number of the first fitting holes is two, and the two first fitting holes are spaced up and down.
9. The arc blocking type clapper relay as claimed in claim 1, wherein a plurality of positioning columns and a plurality of first riveting holes are arranged on the front side of the fixed block, a plurality of first positioning holes matched with the plurality of positioning columns are formed at one end of the second movable reed, which is far away from the first movable reed, the end of the second movable reed, which is far away from the first movable reed, is limited between the limiting block and the fixed block, a second riveting hole matched with the first riveting hole is formed at the limiting block, and the rivet penetrates through the second riveting hole and the first riveting hole to rivet so as to fix the fixed block, the movable reed and the limiting block; the limiting block is provided with a second positioning hole matched with the positioning column, the fixing block, the second movable spring and the limiting block are matched to enable the positioning column to sequentially penetrate through the first positioning hole and the second positioning hole, and the first positioning holes are arranged at intervals up and down.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321296.0A CN106992098B (en) | 2017-05-09 | 2017-05-09 | Arc blocking type clapper relay |
| PCT/CN2018/085259 WO2018205870A1 (en) | 2017-05-09 | 2018-05-02 | Arc-blocking clapper relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321296.0A CN106992098B (en) | 2017-05-09 | 2017-05-09 | Arc blocking type clapper relay |
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| Publication Number | Publication Date |
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| CN106992098A CN106992098A (en) | 2017-07-28 |
| CN106992098B true CN106992098B (en) | 2020-03-24 |
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| CN201710321296.0A Active CN106992098B (en) | 2017-05-09 | 2017-05-09 | Arc blocking type clapper relay |
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| CN (1) | CN106992098B (en) |
| WO (1) | WO2018205870A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106992098B (en) * | 2017-05-09 | 2020-03-24 | 浙江英洛华新能源科技有限公司 | Arc blocking type clapper relay |
| CN108253528A (en) * | 2018-01-12 | 2018-07-06 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
| CN108417451B (en) * | 2018-04-25 | 2024-01-02 | 厦门宏发电声股份有限公司 | Forced-guiding AC/DC universal relay |
| JP7204365B2 (en) * | 2018-07-31 | 2023-01-16 | 富士通コンポーネント株式会社 | electromagnetic relay |
| CN115424898B (en) * | 2022-11-04 | 2023-02-03 | 东莞市中汇瑞德电子股份有限公司 | Double-breakpoint relay |
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- 2017-05-09 CN CN201710321296.0A patent/CN106992098B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018205870A1 (en) | 2018-11-15 |
| CN106992098A (en) | 2017-07-28 |
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