CN110335788A - A kind of miniaturization power magnetic force keeping relay - Google Patents
A kind of miniaturization power magnetic force keeping relay Download PDFInfo
- Publication number
- CN110335788A CN110335788A CN201910614496.4A CN201910614496A CN110335788A CN 110335788 A CN110335788 A CN 110335788A CN 201910614496 A CN201910614496 A CN 201910614496A CN 110335788 A CN110335788 A CN 110335788A
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- China
- Prior art keywords
- armature
- pushing block
- movable contact
- pedestal
- magnetic force
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses a kind of miniaturization power magnetic force keeping relay, including pedestal, magnetic circuit part, pushing block and contact portion；Pedestal is equipped with the first retaining wall so that pedestal is divided into upper and lower cavities, and magnetic circuit part and contact portion are attached separately in upper and lower cavities；Iron core, yoke and the magnet steel of magnetic circuit part constitute the magnetic conduction construction for the E glyph shape that a side is turn 90 degrees；The centre of the armature of magnetic circuit part is pivotally supported at the top corresponding to magnet steel position, and the both ends of armature are respectively corresponded in the top of two yokes, to carry out seesaw type movement under the cooperation of the magnetic conduction construction；The upper end of pushing block is connected with wherein one end of armature, and the free end of the movable contact spring of the lower end and contact portion of pushing block is connected.The present invention has design of part simple but multiple functional, it can be achieved that the simple manufacturing cost of mould structure is low and small product size is small, and load capacity is big, has the characteristics of preferable Antisurge current ability.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of miniaturization power magnetic force keeping relay.
Background technique
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (again
Claim output loop), it is usually applied in automatic control circuit, it is actually to go the one of control larger current with lesser electric current
Kind " automatic switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.Magnetic latching relay be after
One of electric appliance and a kind of automatic switch play turn on automatically to circuit and cutting are made as other electromagnetic relays
With the difference is that the normally closed or normally open of magnetic latching relay is entirely to rely on the effect of permanent-magnet steel, switch state
Conversion be by one fixed width pulse electrical signal triggering and complete.The magnetic latching relay of the prior art generally includes magnetic circuit
Partially, contact portion, pushing block and pedestal；Magnetic circuit part, contact portion are attached separately on pedestal, and pushing block is then connected to magnetic circuit
Between part and contact portion.Coil leads to direct impulse voltage (or set coil energization), magnetic circuit part work, pushing block
The movable contact spring for pushing contact portion, makes the movable contact of contact portion be in contact with stationary contact, the actuating of relay, coil leads to reversed arteries and veins
It rushes voltage (or resetting coil energization), magnetic circuit part work, pushing block pushes the movable contact spring of contact portion, makes contact portion
Movable contact and stationary contact disconnect, relay involution.A kind of magnetic latching relay of the prior art, the armature in magnetic circuit part
Component generallys use H-type shape, is seesaw type structure, and magnet steel is installed in armature assembly, and yoke is then L-type shape, and two
The L-type of yoke is mutually fixed with the both ends of iron core respectively on one side vertically, the L-type of two yokes it is horizontal on one side then respectively with armature
Two openings of the H-type of component match.The usual volume of this magnetic latching relay of the prior art is larger, cannot achieve small-sized
Change powerful feature.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provides a kind of miniaturization power magnetic force keeping relay,
It is improved by structure, has design of part is simple but multiple functional, it can be achieved that the simple manufacturing cost of mould structure is low and product
Small in size, load capacity is big, has the characteristics of preferable Antisurge current ability.
The technical solution adopted by the present invention to solve the technical problems is: a kind of miniaturization power magnetic force keeping relay,
Including pedestal, magnetic circuit part, pushing block and contact portion；The pedestal is equipped with the first retaining wall so that the pedestal to be divided into up and down
Cavity, the magnetic circuit part and contact portion are attached separately in upper and lower cavities, to realize strong and weak be electrically isolated；The magnetic circuit part subpackage
Include an iron core, two yokes, a magnet steel and an armature；The iron core is bar shaped and is in be horizontally disposed with, and the yoke is
Plate shape；Described two yokes are separately fixed at the both ends of iron core, the magnet steel matching in the centre of iron core, make iron core, yoke and
Magnet steel constitutes the magnetic conduction construction for the E glyph shape that a side is turn 90 degrees；The centre of the armature, which is pivotally supported at, to be corresponded to
The top of magnet steel position, the both ends of armature are respectively corresponded in the top of two yokes, under the cooperation of the magnetic conduction construction into
The movement of row seesaw type；The upper end of the pushing block is connected with wherein one end of armature, the lower end of the pushing block with contact
The free end of partial movable contact spring is connected.
The iron core is flat-shaped structure, is provided with square breach among the yoke, two yokes side of passing through respectively
V notch v riveting is fixed on the both ends of the length direction of iron core；Yoke two sides are provided with shoulder, and shoulder is determined as magnetic circuit part
Bit architecture is matched with pedestal；The working pole matched with the both ends of the armature is set as at the top of the yoke.
The iron core is distributed along the length direction of pedestal, in the length direction of pedestal, is equipped with opening in the front end of pedestal
Towards on the outside of front and be notch for accommodating the pushing block, wherein one end of the armature is from the upper of the upper cavity
Side reaches the top of the notch, and is connected with the upper end for the pushing block for being contained in notch；The bottom of the notch with it is described
Lower chamber is connected, so as to be contained in the free end of the movable contact spring of the lower end of the pushing block of notch and the contact portion of lower chamber
It is connected.
The upper cavity is concave window frame structure, and the front of upper cavity is set as being used to support the front of the magnetic circuit part
Support platform, the rear portion of upper cavity are set as the deep gouge of the coil for matching magnetic circuit part, slope are set as between front and rear portion
The web of shape.
The two sides of the front and back end of the upper cavity are respectively provided with assembly magnetic circuit part to realize the notch of positioning；It is described
The two sides of notch are respectively equipped with dispensing mouth, to pass through dispensing when the magnetic circuit part is packed into the upper cavity and inadequate clamping force
Mode is fixed.
In the lower chamber, it is respectively equipped with the opening of the outside pass-out of width direction along pedestal, it is dynamic in contact portion
Reed and static contact spring piece are fitted into the lower chamber respectively along two openings of the width direction of pedestal, and using set by lower chamber
The horizontal slot grafting set mutually is fixed.
In the lower chamber, at the position matched for corresponding to movable contact spring and static contact spring piece, it is additionally provided with two second gear
Wall, to realize being isolated between dynamic spring and quiet spring using the air gap between two the second retaining walls and two the second retaining walls,
To effectively improve the insulation distance between dynamic and static spring.
The coil includes bobbin；The bobbin include the both ends of length direction flange, in two end boss it
Between around linear window, and penetrate the core mounting holes of two end boss along its length；In the centre around linear window of bobbin
Position is additionally provided with barricade, and bobbin is divided into be isolated first around linear window around linear window and second around linear window；Institute
The top surface of barricade is stated equipped with the groove to lower recess, the groove is connected with the core mounting holes；The iron core is mounted in iron
In core mounting hole, two yokes are respectively fitting into the outside of the flange at the both ends of bobbin, and the magnet steel is in the groove；
The two sides of the groove are respectively equipped with positive stop lug boss, to limit width direction displacement of the magnet steel for being packed into groove along bobbin.
Shaft part is also equipped in the middle part of the armature, so that the both ends of armature are in seesaw structure；The both sides of shaft part point
Not She You shaft, the half round cut of the shaft for being packed into armature is provided at the top of the positive stop lug boss, to match turning for armature
The shaft of shaft member, the shaft for limiting armature are moved along the length direction of bobbin.
The both sides of the width of the position of the other end of the deviation armature at the middle part of the armature are respectively equipped with convenient for dress
Enter the notch of the shaft part, the shaft part is fitted into armature by the notch, and is in armature after elapsing to middle part
It is full of cooperation, the both sides of the width of the position of one end of the deviation armature at the middle part of the armature are respectively equipped with protrusion to limit
The direction of the one end of the shaft part to the armature is mobile.
The coil further includes enameled wire and coil terminals；The coil terminals include beginning terminal, common end terminal, end
Terminal is held, three terminals are mounted in first in the flange of this side of linear window in side-by-side configuration along the width direction of bobbin,
And three terminals towards identical；It is equipped on barricade and is used to be connected to the first conducting wire around linear window and second between linear window
Slot, and bridge joint terminal is housed, and bridge terminal towards with three terminals towards identical；The enameled wire from
Beginning terminal set out wound through unicoil mode or twin coil mode wind be followed by bridge joint terminal, and by the bridge joint terminal across
It crosses described first to be connected in the end terminals around linear window, spatially be formed between the beginning line and end line after making winding
Isolation.
The top of the push card, which protrudes upward, to be set there are two being in a fixed spacing and the linking arm with certain length, with benefit
With two linking arms can the flexible characteristic opened be caught in from the width direction of armature armature width both sides, realize armature or more
Push card is driven to move up and down when swing.
The lower part of the push card is equipped with generally rectangular shaped through-hole, the end of one end equipped with movable contact of the movable contact spring
In the through-hole for holding the lower part for being movably hooked in the push card, realizes and movable contact spring is driven to be equipped with dynamic touching when push card moves up and down
One end of point is swung up and down；The hole wall up and down of the through-hole of the pushing block is set to circular shape, when so that pushing block acting,
Pushing block and movable contact spring are in line face contact, and the spacing between the upper hole wall of the through-hole of the pushing block and lower hole wall is greater than dynamic spring
The thickness of the end of one end equipped with movable contact of piece.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is equipped with the first retaining wall in pedestal due to using the pedestal is divided into upper and lower cavities, the magnetic
Road part and contact portion are attached separately in upper and lower cavities, so as to realize strong and weak electric isolution；The present invention is additionally used two
A yoke is separately fixed at the both ends of iron core, by magnet steel matching in the centre of iron core, iron core, yoke and magnet steel is made to constitute a side
The magnetic conduction construction for the E glyph shape turning 90 degrees；The centre of armature is pivotally supported at the top corresponding to magnet steel position, is made
The both ends for obtaining armature are respectively corresponded in the top of two yokes, to carry out seesaw type movement under the cooperation of magnetic conduction construction；And
The upper end of pushing block is connected with wherein one end of armature, the free end phase of the movable contact spring of the lower end and contact portion of pushing block
Connection.This structure of the invention has design of part simple but multiple functional and small product size is small, and load capacity is big
Feature.
2, the upper cavity of pedestal is set as concave window frame structure due to using by the present invention, by lower chamber be set as having along
The opening (i.e. left and right pulled core structure) of the outside pass-out of the width direction of pedestal is, it can be achieved that the simple manufacturing cost of mould structure is low.
3, the present invention is due to using in lower chamber, at the position matched for corresponding to movable contact spring and static contact spring piece, also
If there are two the second retaining wall, with using the air gap between two the second retaining walls and two the second retaining walls realize dynamic spring with it is quiet
Isolation between spring is avoided between end of lifetime dynamic and static spring with effectively improving the insulation distance between dynamic and static spring because contact is splashed
Object causes insulation to decline, and fire hazard occurs.
4, the present invention sets that there are two in a fixed spacing and have certain due to using to protrude upward on the top of push card
The linking arm of length, and it is equipped with generally rectangular shaped through-hole in the lower part of push card, by one equipped with movable contact of movable contact spring
The end at end is movably hooked in the through-hole of the lower part of the push card, and the hole wall up and down of the through-hole of pushing block is set to
Circular shape, the spacing between the upper hole wall of the through-hole of pushing block and lower hole wall are greater than one end equipped with movable contact of movable contact spring
The thickness of end.This structure of the invention, can use two linking arms can the flexible characteristic opened from the width of armature
Degree direction is caught in the both sides of the width of armature, realizes and drives push card to move up and down when armature is swung up and down；It can also make to push
When block acts, pushing block and movable contact spring are in line face contact, and can form certain idle stroke, so that relay disconnects touching
When point, certain accelerator is had, it can be preferably by contact disjunction, to improve the Antisurge current ability of relay.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of big function of miniaturization of the invention
Rate magnetic latching relay is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the D structure decomposition diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the embodiment of the present invention；
Fig. 3 is the D structure schematic diagram of the pedestal of the embodiment of the present invention；
Fig. 4 is the main view of the pedestal of the embodiment of the present invention；
Fig. 5 is the top view of the pedestal of the embodiment of the present invention；
Fig. 6 is the rearview of the pedestal of the embodiment of the present invention；
Fig. 7 is the cross-sectional view of the pedestal of the embodiment of the present invention；
Fig. 8 is the schematic diagram of the part-structure of the magnetic circuit part of the embodiment of the present invention；
Fig. 9 is the main view of the part-structure of the magnetic circuit part of the embodiment of the present invention；
Figure 10 is the D structure schematic diagram of the bobbin of the embodiment of the present invention；
Figure 11 is the D structure schematic diagram (one angle of overturning) of the bobbin of the embodiment of the present invention；
Figure 12 is the main view of the magnetic circuit part of the embodiment of the present invention；
Figure 13 is the pushing block of the embodiment of the present invention and the cooperation schematic diagram of movable contact spring, armature；
Figure 14 is the D structure schematic diagram of the pushing block of the embodiment of the present invention；
Figure 15 is the structure sectional view of the pushing block of the embodiment of the present invention；
Figure 16 is the organigram of the armature of the embodiment of the present invention；
Figure 17 is the armature of the embodiment of the present invention and the cooperation schematic diagram of shaft part；
Figure 18 is the D structure schematic diagram of the yoke of the embodiment of the present invention.
Specific embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 18, a kind of miniaturization power magnetic force keeping relay of the invention, including pedestal 1, magnetic circuit
Part 2, pushing block 3, contact portion 4 and shell 5；The pedestal 1 is equipped with the first retaining wall 11 so that the pedestal 1 is divided into epicoele
Body 12 and lower chamber 13, the magnetic circuit part 2 is in upper cavity 12, and contact portion 4 is in lower chamber 13, to realize power
It is electrically isolated；The magnetic circuit part 2 includes a magnet steel 23 of yoke 22, one of iron core 21, two and an armature 24；The iron core
21 for bar shaped and in being horizontally disposed with, and the yoke 22 is plate shape；Described two yokes 22 are separately fixed at the both ends of iron core 21, institute
The matching of magnet steel 23 is stated in the centre of iron core 21, iron core 21, yoke 22 and magnet steel 23 is made to constitute the E glyph shape that a side is turn 90 degrees
Magnetic conduction construction；The centre of the armature 24 is pivotally supported at the top corresponding to magnet steel position, the both ends point of armature 24
It Dui Ying not be in the top of two yokes 22, to carry out seesaw type movement under the cooperation of the magnetic conduction construction；The pushing block 3
Upper end be connected with wherein one end of armature 24, the free end of the movable contact spring 41 of the lower end and contact portion of the pushing block 3
Portion is connected.
In the present embodiment, the iron core 21 is flat-shaped structure, is provided with square breach 221 among the yoke 22,
Two yokes 22 rivet the both ends for being fixed on the length direction of iron core 21 by square breach 221 respectively；The setting of 22 two sides of yoke
There is shoulder 222, shoulder 222 is matched as the location structure of magnetic circuit part with pedestal 1；The top of the yoke 22 is set as and institute
State the working pole that the both ends of armature 24 match.
In the present embodiment, the iron core 21 is distributed along the length direction of pedestal 1, in the length direction of pedestal 1, in pedestal
1 front end is equipped with opening towards on the outside of front and be notch 14 for accommodating the pushing block 3, and the armature 24 is wherein
One end reaches the top of the notch 14, and the upper end with the pushing block 3 for being contained in notch 14 from the top of the upper cavity 12
It is connected；The bottom of the notch 14 is connected with the lower chamber 13, so as to be contained in the lower end of the pushing block 3 of notch under
The free end of the movable contact spring 41 of the contact portion of cavity 13 is connected.
In the present embodiment, the upper cavity 12 is concave window frame structure, and the front of upper cavity 12 is set as being used to support described
The support platform 121 of the front of magnetic circuit part, the rear portion 122 of upper cavity are set as the heavy of the coil 25 that matches magnetic circuit part
Slot is set as the web 123 of ramp shaped between front and rear portion.
In the present embodiment, it is fixed to realize that the two sides of the front and back end of the upper cavity 12 are respectively provided with assembly magnetic circuit part
The notch 124 of position；The two sides shoulder 222 of two yokes 22 of magnetic circuit part 2 fits in the two of the front and back end of upper cavity 12 respectively
In the notch 124 of side；The two sides of the notch 14 are respectively equipped with dispensing mouth 15, to be packed into the epicoele in the magnetic circuit part 2
Body 12 and when inadequate clamping force, are fixed by dispensing mode.
In the present embodiment, in the lower chamber 13, it is respectively equipped with the opening of the outside pass-out of width direction along pedestal, is connect
Contact portion be divided in movable contact spring 41 and static contact spring piece 42 respectively along two openings of the width direction of pedestal 1 be packed into the lower chamber 13
In, and mutually fixed using horizontal slot grafting set by lower chamber 13.
In the lower chamber 13, at the position matched for corresponding to movable contact spring 41 and static contact spring piece 42, it is additionally provided with two
Second retaining wall 131, with using the air gap between two the second retaining walls 131 and two the second retaining walls 131 realize dynamic spring with
Isolation between quiet spring, to effectively improve the insulation distance between dynamic and static spring.
In the present embodiment, the coil 25 includes bobbin 251；The bobbin 251 includes the both ends of length direction
Flange 2511, between two end boss around linear window 2512, and penetrate along its length two end boss iron core installation
Hole 2513；It is additionally provided with barricade 2514 in the middle position around linear window 2512 of bobbin, by bobbin around linear window point
At first be isolated around linear window and second around linear window；The top surface of the barricade 2514 is equipped with the groove to lower recess
2515, the groove 2515 is connected with the core mounting holes 2513；The iron core 21 is in core mounting holes 2513, and two
A yoke 22 is respectively fitting into the outside of the flange 2511 at the both ends of bobbin 251, and the magnet steel 23 is mounted in the groove 2515
In；The two sides of the groove 2515 are respectively equipped with positive stop lug boss 2516, to limit the magnet steel 23 for being packed into groove 2515 along coil
The width direction of frame 251 is displaced.
In the present embodiment, the middle part of the armature 24 is also equipped with shaft part 26, so that the both ends of armature 24 are in seesaw knot
Structure；The both sides of shaft part 26 are respectively equipped with shaft 261, and the top of the positive stop lug boss 2516 is provided with the shaft for being packed into armature
261 half round cut 2517 limits the shaft 261 of armature along bobbin to match the shaft 261 of the shaft part 26 of armature
251 length direction is mobile.
In the present embodiment, the both sides point of the width of the position of the other end of the deviation armature at the middle part of the armature 24
It She You not be fitted into armature 24 convenient for the notch 241 of the loading shaft part, the shaft part 26 by the notch 241, and
With armature 24 in interference fit, the width of the position of one end of the deviation armature at the middle part of the armature 24 after to middle part passage
It is mobile to the direction of one end of the armature 24 to limit the shaft part 26 that the both sides of degree are respectively equipped with protrusion 242.
In the present embodiment, the coil further includes enameled wire 252 and coil terminals 253；The coil terminals 253 include beginning
Terminal, common end terminal, end terminals are held, three terminals 253 are mounted in first in side-by-side configuration along the width direction of bobbin
In the flange of this side of linear window, and three terminals towards identical；It is equipped on barricade 2514 and is used to be connected to the first coiling
Window and the second metallic channel 2518 between linear window, and a bridge joint terminal 254 is housed, and bridge the court of terminal 254
To with three terminals 253 towards identical；The enameled wire 252 is wound from beginning terminal through unicoil mode or double
Coil mode, which is wound, to be followed by bridge joint terminal 254, and by the bridge joint terminal 254 across described first be connected to around linear window described in
In end terminals, is spatially formed and be isolated between the beginning line and end line after making winding.
When using unicoil mode wind when, be by enameled wire 252 by beginning terminal draw after, first around linear window around
First coil processed, after complete first coil, enameled wire 252 guides to second around the second coil of linear window coiling by metallic channel 2518,
After complete second coil, enameled wire is connected to the bridge joint terminal 254, and by the bridge joint terminal 254 across first coiling
Window is connected in the end terminals, make winding after single coil structure beginning line and end line between spatially formed every
From.
When using twin coil mode wind when, be by enameled wire 252 by beginning terminal draw after, first around linear window around
First coil processed, after complete first coil, enameled wire 252 is connected to public terminal, larger with spacing then from public terminal
Paces wind several circles around linear window first, and guide to second around the second coil of linear window coiling, around complete by metallic channel 2518
After second coil, enameled wire is connected to the bridge joint terminal, and is connected to institute around linear window across described first by the bridge joint terminal
It states in end terminals, the beginning line and the second coil in two coil configuration of the first coil in two coil configuration after making winding
End line between spatially formed isolation.
In the present embodiment, the top of the push card 3 protrude upward set there are two in a fixed spacing and have certain length
Linking arm 31, with using two linking arms 31 can the flexible characteristic opened be caught in from the width direction of armature 24 width of armature 24
The both sides of degree are realized and drive push card 3 to move up and down when armature 24 is swung up and down.
In the present embodiment, the lower part of the push card 3 is equipped with generally rectangular shaped through-hole 32, and the movable contact spring 41 is equipped with
The end of one end of movable contact is movably hooked in the through-hole 32 of the lower part of the push card 3, realizes that push card moves up and down
When drive movable contact spring 41 be equipped with movable contact one end swing up and down；The hole wall up and down of the through-hole of the pushing block 3 is set to justify
Arc shape, when so that pushing block 3 acting, pushing block and movable contact spring are in line face contact, and the upper hole of the through-hole 32 of the pushing block 3
Spacing between wall and lower hole wall is greater than the thickness of the end of one end equipped with movable contact of movable contact spring.
A kind of miniaturization power magnetic force keeping relay of the invention uses and is equipped with the first retaining wall 11 in pedestal 1 to incite somebody to action
The pedestal is divided into upper and lower cavity 12,13, and the magnetic circuit part 2 and contact portion 4 are attached separately to upper and lower cavity 12,13
In, so as to realize strong and weak electric isolution；The present invention additionally uses the both ends that two yokes 22 are separately fixed to iron core 21, will
The matching of magnet steel 23 makes iron core, yoke and magnet steel constitute the magnetic conduction knot for the E glyph shape that a side is turn 90 degrees in the centre of iron core 21
Structure；The centre of armature 24 is pivotally supported at the top corresponding to 23 position of magnet steel, so that the both ends of armature 24 are right respectively
It should be in the top of two yokes 22, to carry out seesaw type movement under the cooperation of magnetic conduction construction；And upper end and the rank of pushing block 3
Wherein one end of iron 24 is connected, and the free end of the movable contact spring 41 of the lower end and contact portion of pushing block 3 is connected.The present invention
This structure, have design of part simple but multiple functional and small product size is small, the big feature of load capacity.
A kind of miniaturization power magnetic force keeping relay of the invention is set as concave using by the upper cavity 12 of pedestal 1
Lower chamber 13 is set as the opening (i.e. left and right pulled core structure) with the outside pass-out of width direction along pedestal by window frame structure,
It is low that the simple manufacturing cost of mould structure can be achieved.
A kind of miniaturization power magnetic force keeping relay of the invention uses in lower chamber 13, is corresponding to movable contact spring
41 and static contact spring piece 42 the position matched at, be additionally provided with two the second retaining walls 131, with using two the second retaining walls 131 and
Air gap between two the second retaining walls 131 realizes being isolated between dynamic spring and quiet spring, to effectively improve between dynamic and static spring
Insulation distance avoids that fire hazard occurs because contact splash causes insulation to decline between end of lifetime dynamic and static spring.
A kind of miniaturization power magnetic force keeping relay of the invention, sets using protruding upward on the top of push card 3
There are two in a fixed spacing and with certain length linking arm 31, and the lower part of push card 3 be equipped with it is generally rectangular shaped
The end of one end equipped with movable contact of movable contact spring 41 is movably hooked in the through-hole 32 of the lower part of the push card by through-hole 32
In, and the hole wall up and down of the through-hole 32 of pushing block 3 is set to circular shape, the upper hole wall and lower opening of the through-hole 32 of pushing block 3
Spacing between wall is greater than the thickness of the end of one end equipped with movable contact of movable contact spring.This structure of the invention, can
With using two linking arms can the flexible characteristic opened be caught in from the width direction of armature armature width both sides, realize armature
Push card is driven to move up and down when swinging up and down；When pushing block can also be made to act, pushing block and movable contact spring are in line face contact, with
And certain idle stroke can be formed, so that relay in break contact, has certain accelerator, it can be preferably by touching
Point disjunction, to improve the Antisurge current ability of relay.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (13)
1. a kind of miniaturization power magnetic force keeping relay, including pedestal, magnetic circuit part, pushing block and contact portion；The bottom
Seat is equipped with the first retaining wall so that the pedestal is divided into upper and lower cavities, and the magnetic circuit part and contact portion are attached separately to upper and lower cavity
In body, to realize strong and weak be electrically isolated；The magnetic circuit part includes an iron core, two yokes, a magnet steel and an armature；Institute
Stating iron core is bar shaped and in horizontally disposed, and the yoke is plate shape；It is characterized by: described two yokes are separately fixed at iron core
Both ends, magnet steel matching makes iron core, yoke and magnet steel constitute the E glyph shape that a side is turn 90 degrees in the centre of iron core
Magnetic conduction construction；The centre of the armature is pivotally supported at the top corresponding to magnet steel position, and the both ends of armature are right respectively
It should be in the top of two yokes, to carry out seesaw type movement under the cooperation of the magnetic conduction construction；The upper end of the pushing block
It is connected with wherein one end of armature, the free end of the movable contact spring of the lower end and contact portion of the pushing block is connected.
2. miniaturization power magnetic force keeping relay according to claim 1, it is characterised in that: the iron core is flat strips
Shape structure, square breach are provided among the yoke, and two yokes are fixed on the length of iron core by square breach riveting respectively
Spend the both ends in direction；Yoke two sides are provided with shoulder, and shoulder is matched as the location structure of magnetic circuit part with pedestal；The yoke
The working pole matched with the both ends of the armature is set as at the top of iron.
3. miniaturization power magnetic force keeping relay according to claim 1, it is characterised in that: the iron core is along pedestal
Length direction distribution be equipped with opening towards on the outside of front and be for holding in the front end of pedestal in the length direction of pedestal
Receive the notch of the pushing block, wherein one end of the armature reaches the top of the notch above the upper cavity, and
It is connected with the upper end for the pushing block for being contained in notch；The bottom of the notch is connected with the lower chamber, so as to be contained in
The free end of the movable contact spring of the contact portion of the lower end and lower chamber of the pushing block of notch is connected.
4. miniaturization power magnetic force keeping relay according to claim 3, it is characterised in that: the upper cavity is concave
Window frame structure, the front of upper cavity are set as being used to support the support platform of the front of the magnetic circuit part, and the rear portion of upper cavity is set
For the deep gouge for matching the coil of magnetic circuit part, the web of ramp shaped is set as between front and rear portion.
5. miniaturization power magnetic force keeping relay according to claim 3, it is characterised in that: the front and back of the upper cavity
The two sides at end are respectively provided with assembly magnetic circuit part to realize the notch of positioning；The two sides of the notch are respectively equipped with dispensing
Mouthful, by when the magnetic circuit part is packed into the upper cavity and inadequate clamping force by dispensing in a manner of be fixed.
6. miniaturization power magnetic force keeping relay according to claim 1, it is characterised in that: in the lower chamber, point
She You not be along the opening of the outside pass-out of width direction of pedestal, the movable contact spring and static contact spring piece in contact portion are respectively along pedestal
Two openings of width direction be fitted into the lower chamber, and mutually fixed using horizontal slot grafting set by lower chamber.
7. miniaturization power magnetic force keeping relay according to claim 6, it is characterised in that: in the lower chamber,
Corresponding at the position of movable contact spring and static contact spring piece matched, be additionally provided with two the second retaining walls, with using two the second retaining walls with
And the air gap between two the second retaining walls realizes being isolated between dynamic spring and quiet spring, it is exhausted between dynamic and static spring to effectively improve
Edge distance.
8. miniaturization power magnetic force keeping relay according to claim 4, it is characterised in that: the coil includes coil
Frame；The bobbin include the flange at the both ends of length direction, between two end boss around linear window, and along length side
To the core mounting holes for penetrating two end boss；It is additionally provided with barricade in the middle position around linear window of bobbin, by bobbin
Be divided into be isolated first around linear window around linear window and second around linear window；The top surface of the barricade is equipped with to lower recess
Groove, the groove are connected with the core mounting holes；In core mounting holes, two yokes are respectively cooperating with the iron core
In the outside of the flange at the both ends of bobbin, the magnet steel is in the groove；The two sides of the groove are respectively equipped with limit
Boss, to limit width direction displacement of the magnet steel for being packed into groove along bobbin.
9. miniaturization power magnetic force keeping relay according to claim 8, it is characterised in that: the middle part of the armature is also
Equipped with shaft part, so that the both ends of armature are in seesaw structure；The both sides of shaft part are respectively equipped with shaft, the positive stop lug boss
Top is provided with the half round cut of the shaft for being packed into armature, to match the shaft of the shaft part of armature, limits the shaft of armature
It is moved along the length direction of bobbin.
10. miniaturization power magnetic force keeping relay according to claim 9, it is characterised in that: the middle part of the armature
The both sides of width of position of the other end of the deviation armature be respectively equipped with convenient for being packed into the notch of the shaft part, it is described
Shaft part is fitted into armature by the notch, and to after the passage of middle part with armature in being interference fitted, the middle part of the armature
The both sides for being biased to the width of the position of one end of the armature are respectively equipped with protrusion to limit the shaft part to the armature
The direction of one end is mobile.
11. miniaturization power magnetic force keeping relay according to claim 8, it is characterised in that: the coil further includes
Enameled wire and coil terminals；The coil terminals include beginning terminal, common end terminal, end terminals, and three terminals are along line
The width direction of coil in side-by-side configuration mounted in first in the flange of this side of linear window, and three terminals towards identical；
It is equipped on barricade and is used to be connected to the first metallic channel around linear window and second between linear window, and a bridge end is housed
Son, and the direction of terminal and three terminals are bridged towards identical；The enameled wire is from beginning terminal through unicoil
Mode is wound or twin coil mode winds and is followed by bridge joint terminal, and is connect across described first around linear window by the bridge joint terminal
On to the end terminals, is spatially formed and be isolated between the beginning line and end line after making winding.
12. miniaturization power magnetic force keeping relay according to claim 1, it is characterised in that: the push card it is upper
Portion, which protrudes upward, to be set there are two being in a fixed spacing and the linking arm with certain length, flexible can be opened using two linking arms
Characteristic be caught in from the width direction of armature armature width both sides, realize that armature drives when swinging up and down in push card and move down
It is dynamic.
13. miniaturization power magnetic force keeping relay according to claim 12, it is characterised in that: under the push card
Portion is equipped with generally rectangular shaped through-hole, and the end of one end equipped with movable contact of the movable contact spring is movably hooked in the promotion
In the through-hole of the lower part of card, realize that the one end for driving movable contact spring to be equipped with movable contact when push card moves up and down is swung up and down；It is described
The hole wall up and down of the through-hole of pushing block is set to circular shape, and when so that pushing block acting, pushing block and movable contact spring are in line face
Contact, and the spacing between the upper hole wall of the through-hole of the pushing block and lower hole wall is greater than one end equipped with movable contact of movable contact spring
End thickness.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614496.4A CN110335788A (en) | 2019-07-09 | 2019-07-09 | A kind of miniaturization power magnetic force keeping relay |
| US16/910,605 US11501938B2 (en) | 2019-07-09 | 2020-06-24 | Magnetic latching relay |
| EP20182368.9A EP3764385B1 (en) | 2019-07-09 | 2020-06-25 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910614496.4A CN110335788A (en) | 2019-07-09 | 2019-07-09 | A kind of miniaturization power magnetic force keeping relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110335788A true CN110335788A (en) | 2019-10-15 |
Family
ID=68143457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910614496.4A Pending CN110335788A (en) | 2019-07-09 | 2019-07-09 | A kind of miniaturization power magnetic force keeping relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110335788A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111863536A (en) * | 2020-08-04 | 2020-10-30 | 贵州天义电器有限责任公司 | Driving structure of micro-miniature sealed electromagnetic relay |
| CN112038180A (en) * | 2020-07-22 | 2020-12-04 | 漳州宏发电声有限公司 | Coil rack convenient for automatic winding, coil and magnetic latching relay |
| CN114093714A (en) * | 2021-09-29 | 2022-02-25 | 漳州宏发电声有限公司 | Magnetic latching relay |
| WO2022152219A1 (en) * | 2021-01-15 | 2022-07-21 | 厦门宏发电力电器有限公司 | Clapping-type bistable magnetic circuit structure and magnetic latching relay |
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