CN104465224A - Electromagnetic relay for automobile - Google Patents
Electromagnetic relay for automobile Download PDFInfo
- Publication number
- CN104465224A CN104465224A CN201410668683.8A CN201410668683A CN104465224A CN 104465224 A CN104465224 A CN 104465224A CN 201410668683 A CN201410668683 A CN 201410668683A CN 104465224 A CN104465224 A CN 104465224A
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- CN
- China
- Prior art keywords
- plane
- pedestal
- molded line
- lead wire
- armature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01H50/047—Details concerning mounting a relays
- H01H50/048—Plug-in mounting or sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
Abstract
The invention relates to an electromagnetic relay for an automobile. The relay comprises a base, an H-shaped coil frame with a coil, electronic elements, lead wire sheets, plug pins, an armature and yoke iron, wherein the H-shaped coil frame is installed on the base and made of composite resin, the bottom ends of the two sides of the H-shaped coil frame are provided with notches for the lead wire sheets to be inserted in, the electronic elements are integrated on a circuit board which is arranged on the base, metal sheets are connected between the circuit board and the lead wire sheets, the yoke iron and the armature are connected in an inserted mode and inserted in the base, one side face of the yoke iron is attached to one side wall of the H-shaped coil frame, the armature is attached to the other side wall of the H-shaped coil frame, a movable reed is attached to the surface of the armature, a movable contact is arranged at the front end of the movable reed, and static reeds with static contacts are arranged on the two sides of the movable reed and correspond to the movable contact. According to the electromagnetic relay, the electronic elements are integrated on one circuit board, bridging is performed between the circuit board and the coil through the metal sheets, the problem that the electronic elements occupy space is solved, and the space utilization rate of the relay is increased.
Description
Technical field:
The invention belongs to electric field, relate to a kind of relay, particularly relate to a kind of automobile electrical magnetic relay.
Background technology:
Relay for automobile coil generally can be connected to the electronic components such as resistance, electric capacity, diode, and the common employing spot welding method of mode between connecting electronic component and coil, and spot welding easily causes the phenomenon of rosin joint, and multiple welding electronic elements needs to consider space utilization problem, therefore need very careful about careful during welding, and there is certain risk and consuming time in welding method, production efficiency is not high, therefore in order to improve the quality of relay, needing to invent and a kind ofly can replace the method for relay solder technology to enhance productivity.
In addition, the material of relay for automobile center line coil is general stricter, synthesise various is considered, PC (Merlon) is the first-selection as bobbin material, is widely used as second largest engineering plastics always, but it is large to there is PC moisture absorption, processing easily produces bubble and filamentary silver, bobbin easily produces participation internal stress, large to notch sensitivity, fatigue durability and the problem such as resistance to wear is bad.Glass fiber reinforced polycarbonate improves mechanical property and the rigidity of Merlon, and coefficient of linear expansion greatly reduces, and dimensional stability improves greatly, and molding shrinkage significantly reduces, and overcomes the defect of Merlon not stress crack resistant and fatigue strength simultaneously.But find according to research, the non-constant of the wettability of PC to glass fibre, both can not be compatible well, and especially when content of glass fiber is greater than 20%, most of impact strength, toughness and other performances neither be good especially.
Summary of the invention:
The object of the invention is to solve above-mentioned defect of the prior art and a kind of automobile electrical magnetic relay is provided, make it in the assembling not needing to have welded relay, and also do not need electronic component to be directly welded on coil.
Solving the problems of the technologies described above adopted technical scheme is:
A kind of automobile electrical magnetic relay, comprise pedestal, the H molded line coil of belt coil, electronic component, lead wire, pin, armature and yoke, it is characterized in that: described H molded line coil is installed on pedestal, H molded line coil is made up of compound resin, the bottom of H molded line coil both sides is provided with the notch for inserting lead wire, described electronic component integration is in wiring board, and wiring board is arranged on pedestal, sheet metal is connected with between wiring board and lead wire, described yoke and the mutual grafting of armature also insert on pedestal, one side of yoke and a sidewall of H molded line coil are fitted, another sidewall of described armature and H molded line coil is fitted, armature surface is fitted with the movable contact spring of front end with moving contact, the front end of movable contact spring exceeds the length of H molded line coil sidewall, movable contact spring both sides correspond to the static contact spring piece that moving contact is equipped with band fixed contact, (the percentage calculation) composed as follows of described compound resin: PC:40-60%, ABS:8-20%, glass fibre: 8-20%, TiO
2: 3-8%, white carbon: 3-8%, red phosphorus masterbatch: 5-8%, assists fire retardant: 1-5%, flexibilizer: 2-10%, processing aid: 3-10%.
In automobile electrical magnetic relay of the present invention, H molded line coil adopts the rational compound resin of compatibility to make, described compound resin is at firm and flexible, and have that composite on the basis compared with the PC resin of high impact properties to the addition of combination property better, there is comparatively high impact-resistant toughness, high heat-resisting, mobility, the ABS resin of stability, the thermal endurance of compound resin is improved with glass fibre, intensity and stress crack resistance performance, find in compound resin, to add 8-20% glass fibre compared with the compound resin not adding glass fibre through test, its thermal conductivity reduces 25-32%, compressive resistance improves 120-125%, with TiO compound resin being had to certain toughening effect
2join in compound resin as packing material, TiO
2in matrix resin PC and ABS, there is good dispersiveness, improve the stiffness of compound resin, resistance to wear, ageing resistace, and compound resin internal layer can be protected to exempt from the destruction of ultraviolet light, play the effect of light shield, with the addition of 3-8%TiO through test discovery
2the aging 400h of compound resin after value of chromatism be do not add TiO
2time 1/4th, the notch impact strength conservation rate after aging 800h is greater than 95%, does not add TiO
2improve more than 17%, join in compound resin with white carbon as packing material, improve elastic strength and the resistance to wear of compound resin, and the thermal stability of hardness, find through test, the strength ratio that with the addition of the compound resin of 3-8% white carbon is not added white carbon and is improve about 32%, with low cigarette, nontoxic, addition is few, good with resin dispersion, compatibility, there is excellent processing characteristics and little red phosphorus masterbatch is affected on the physical and mechanical properties of goods and assists fire retardant acting in conjunction, significantly improve the fire resistance of compound resin, in the automobile electrical magnetic relay simultaneously obtained with compound resin, H molded line coil meets the requirement of high-performance and high reliability.Each composition of the compound resin that H molded line coil of the present invention is used and percentage by weight thereof interact, mutually restrict, and acting in conjunction affects the final performance of H molded line coil.
In above-mentioned automobile electrical magnetic relay, the glass fibre described in H molded line coil compound resin is the alkali-free glass fibre through surface preparation, and filament diameter is 10-30 μm.
In above-mentioned automobile electrical magnetic relay, alkali-free glass fibre described in H molded line coil compound resin carries out preliminary treatment by the following method: alkali-free glass fibre is placed in Muffle furnace heat treatment 1-3h at 400-420 DEG C, putting it into mass fraction after being cooled to room temperature is soak 18-22h in the pickling agent of 20-30%, then neutrality is washed to, dry.
In above-mentioned automobile electrical magnetic relay, alkali-free glass fibre described in H molded line coil compound resin can also carry out preliminary treatment by the following method: by glass fibre at 300-330 DEG C of baking 40-60s, be placed in the 1.5-2.5% silane coupler aqueous solution again to stir, soak 20-30min, dry at 110-130 DEG C, then in benzene emulsion, soak 20-30min, after drying at 110-130 DEG C, cooling obtains the glass fibre after surface treatment.Wherein, described silane coupler is one or more in Silane coupling agent KH550 or silane coupler KH560.
Glass fibre effectively can improve its dispersiveness in the base after surface preparation, improves the interface adhesion of itself and matrix resin, improves the thermal endurance of compound resin, intensity and stress crack resistance performance further.
In above-mentioned automobile electrical magnetic relay, the TiO described in H molded line coil compound resin
2particle diameter be 25-35nm.
In above-mentioned automobile electrical magnetic relay, the assistance fire retardant described in H molded line coil compound resin is one or more in antimonous oxide, N/P halogen-free flame retardants, inorganic combustion inhibitor magnesium hydroxide, inorganic combustion inhibitor aluminium hydroxide.
In above-mentioned automobile electrical magnetic relay, the flexibilizer described in H molded line coil compound resin is one or more in maleic anhydride grafted ABS (ABS-g-MAH), polyolefin elastomer grafted maleic anhydride (POE-g-MAH), grafting maleic anhydride with ethylene propylene terpolymer (EPDM-g-MAH), Polystyrene-Polyethylene-polybutene-polystyrene section copolymer (SEBS-g-MAH).Further preferably, described flexibilizer is ABS-g-MAH.ABS-g-MAH has good compatibilization to compound resin, add appropriate ABS-g-MAH increase-volume in H molded line coil compound resin of the present invention after notch impact strength be do not add add flexibilizer ABS-g-MAH compound resin 1.5-2.5 doubly.
In above-mentioned automobile electrical magnetic relay, the processing aid described in H molded line coil compound resin comprises lubricant, antioxidant, stabilizer.Further preferably, described lubricant is one or more in calcium stearate, OP wax, silicone.Described antioxidant is one or more in antioxidant 1076, antioxidant 1010, irgasfos 168, antioxidant DSTP, antioxidant 1076.Described stabilizer is one or more in phenol stabilizer, phosphite-type stabilisers.
In above-mentioned automobile electrical magnetic relay, the preparation method of described H molded line coil comprises the steps:
S1, take raw material by constituent described in above-mentioned H molded line coil compound resin and percentage by weight thereof, PC, ABS of taking are dried 3-5 hour respectively with at 90-100 DEG C and 80-100 DEG C, then adds white carbon, TiO
2mix with PC, ABS;
S2, by the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid join in high-speed mixer and be mixed evenly;
S3, join in double screw extruder by the compound be uniformly mixed to form in step S1, S2 by main feeding, glass fibre is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing;
S4, by the above-mentioned material strip extruded through tie rod, cooling, granulation, last injection mo(u)lding obtains H type coil and puts up product.
In above-mentioned automobile electrical magnetic relay, the temperature of each district of double screw extruder described in the preparation method of H molded line coil is one section: 200-210 DEG C, two sections: 220-230 DEG C, three sections: 240-250 DEG C, and head: 240-260 DEG C.
Described material strip of extruding is cooled to room temperature by tank, then by pelleter granulation.
Further, described sheet metal comprises T-shaped horizontal plane, perpendicular to T-shaped horizontal plane and to the perpendicular of under shed and be connected inclined-plane with perpendicular open upper end, described T-shaped horizontal plane presses on pedestal by lead wire, described perpendicular both sides are provided with triangle convex, and perpendicular insertion pedestal is corresponded to the slot of sheet metal and engaged by triangle convex, the other end on described inclined-plane connects with wiring board.
Further, described pedestal has the board slot for placing wiring board, the degree of depth of described board slot make wiring board can with the contact of incline plane of sheet metal.
Further, described lead wire is L-type, the vertical portion of lead wire inserts on pedestal, the horizontal part of lead wire is provided with fin, and horizontal part is sticked in the notch of H molded line coil bottom by fin, the front end of lead wire protrudes from H molded line coil, is connected with elastomeric element between the protuberance of both sides lead wire.
Further, described yoke and armature are equipped with projection, described movable contact spring is fitted by projection and yoke and armature surface.
Further, described pin comprises the first plane, the second plane and the 3rd plane, described first plane is provided with the circular hole corresponding with projection, and the first plane fits in yoke surface by circular hole, described second plane is connected with the first plane orthogonal and the second plane is pressed on pedestal, and described 3rd plane and the second plane orthogonal fillet insert slot pedestal corresponding to pin.
Further, described pedestal is provided with a staged boss, staged boss has the notch for assigning static contact spring piece, described static contact spring piece is divided into upper electrostatic spring sheet and lower static contact spring piece, lower static contact spring piece presses in base plane through notch, and upper electrostatic spring sheet presses in the low order of staged boss through notch.
Based on an assemble method for above-mentioned automobile electrical magnetic relay, its step is as follows:
The wiring board being integrated with electronic component is embedded the board slot on pedestal;
Sheet metal is inserted the slot at board slot two ends, by triangle convex, sheet metal is sticked in slot, the inclined-plane of sheet metal is contacted with wiring board;
3rd plane of the vertical portion of lead wire and pin is inserted pedestal and penetrated pedestal, makes the horizontal part of lead wire press the T-shaped horizontal plane of sheet metal, make the second plane of pin press pedestal;
The horizontal part that the notch of H molded line coil bottom aims at lead wire is sticked in lead wire;
By yoke and the mutual grafting of armature, and yoke is fixed on the side of H molded line coil, makes armature be fixed on the opposite side of the sidewall of H molded line coil;
Lower static contact spring piece is inserted the notch of staged boss and presses on pedestal, upper electrostatic spring sheet is pressed in the low order of staged boss through notch;
Movable contact spring is fixed on the surface of armature by the projection on armature, and moving contact is placed between upper electrostatic spring sheet and lower static contact spring piece.
The present invention's beneficial effect compared with prior art: 1, electronic component is all integrated on one piece of circuit board by the present invention, put up a bridge between wiring board and coil by sheet metal, solve the problem that electronic component takes up space, improve the space availability ratio of relay; 2, in automobile electrical magnetic relay of the present invention, H molded line coil adopts the rational compound resin of compatibility to make, and this compound resin is composite on the basis of PC resin with the addition of ABS resin, and with the addition of glass fibre, TiO
2, white carbon, red phosphorus masterbatch and other synergistic fire retardants, plasticizer, processing aid etc., by the interaction produced between each composition, improve the combination property of H molded line coil, and then improve the useful life of H molded line coil, improve the useful life of automobile electrical magnetic relay; 3, the present invention by the mutual engaging between each parts, splice and press relay is assembled, make to connect between parts more firm, improve quality and the useful life of relay, also greatly simplify the assembling of relay simultaneously, effectively enhance productivity.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of sheet metal of the present invention;
Fig. 3 is the structural representation that pedestal of the present invention is connected with sheet metal;
Fig. 4 is the structural representation of lead wire of the present invention;
Fig. 5 is the structural representation of pin of the present invention.
In figure: pedestal 1; H molded line coil 2; Electronic component 3; Lead wire 4; Pin 5; Armature 6; Yoke 7; Wiring board 8; Sheet metal 9; Movable contact spring 10; Static contact spring piece 11; Moving contact 101; Board slot 110; Fixed contact 111; Upper electrostatic spring sheet 112; Lower static contact spring piece 113; Staged boss 120; Notch 201; Vertical portion 410; Horizontal part 420; Fin 421; First plane 510; Second plane 520; 3rd plane 530; Projection 610; T-shaped horizontal plane 910; Perpendicular 920; Triangle convex 921; Inclined-plane 930.
Embodiment:
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of automobile electrical magnetic relay, comprise pedestal 1, the H molded line coil 2 of belt coil, electronic component 3, lead wire 4, pin 5, armature 6 and yoke 7, H molded line coil 2 is installed on pedestal 1, H molded line coil 2 is made up of compound resin, the bottom of H molded line coil 2 both sides is provided with the notch 201 for inserting lead wire 4, electronic component 3 is integrated in wiring board 8, and wiring board 8 is arranged on pedestal 1, sheet metal 9 is connected with between wiring board 8 and lead wire 4, the grafting insert on pedestal 1 mutually of yoke 7 and armature 6, one side of yoke 7 and a sidewall of H molded line coil 2 are fitted, armature 6 is fitted with another sidewall of H molded line coil 2, armature 6 surface is fitted with the movable contact spring 10 of front end with moving contact 101, the front end of movable contact spring 10 exceeds the length of H molded line coil 2 sidewall, movable contact spring 10 both sides correspond to the static contact spring piece 11 that moving contact 101 is equipped with band fixed contact 111.
Wherein, (the percentage calculation) composed as follows of H molded line coil compound resin: PC:40-60%, ABS:8-20%, glass fibre: 8-20%, TiO
2: 3-8%, white carbon: 3-8%, red phosphorus masterbatch: 5-8%, assists fire retardant: 1-5%, flexibilizer: 2-10%, processing aid: 3-10%.
H molded line coil compound resin is further illustrated by following several embodiment.
The composition of the coil of H molded line described in table 1: embodiment 1-5 and comparative example 1-5 and percetage by weight thereof
Wherein, described TiO
2particle diameter be 25-35nm, described glass fibre is alkali-free glass fibre, and filament diameter is 10-30 μm.Described alkali-free glass fibre carries out preliminary treatment by the following method: alkali-free glass fibre is placed in Muffle furnace heat treatment 1-3h at 400-420 DEG C, putting it into mass fraction after being cooled to room temperature is soak 18-22h in the pickling agent of 20-30%, then neutrality is washed to, dry.
Described alkali-free glass fibre also can carry out preliminary treatment by the following method: by glass fibre at 300-330 DEG C of baking 40-60s, be placed in the 1.5-2.5% silane coupler aqueous solution again to stir, soak 20-30min, dry at 110-130 DEG C, then in benzene emulsion, soak 20-30min, after drying at 110-130 DEG C, cooling obtains the glass fibre after surface treatment.Wherein, described silane coupler is one or more in Silane coupling agent KH550 or silane coupler KH560.
Described lubricant is one or more in calcium stearate, OP wax, silicone.Described antioxidant is one or more in antioxidant 1076, antioxidant 1010, irgasfos 168, antioxidant DSTP, antioxidant 1076.Described stabilizer is one or more in phenol stabilizer, phosphite-type stabilisers.
Embodiment 1
Take raw material by the constituent of the coil of H molded line described in embodiment in table 11 compound resin and percentage by weight thereof, PC, ABS of taking dried 4 hours respectively with at 95 DEG C and 90 DEG C, then add white carbon, particle diameter is the TiO of 30nm
2mix with PC, ABS;
By the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid to join in high-speed mixer and be mixed evenly, wherein, described lubricant is calcium stearate, and antioxidant is antioxidant 1076, and stabilizer is phenol stabilizer;
Join in double screw extruder by the compound be uniformly mixed to form in above-mentioned two steps by main feeding, filament diameter is that the glass fibre of 20 μm is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing; Double screw extruder each district temperature is one section: 205 DEG C, two sections: 225 DEG C, three sections: 245 DEG C, head: 250 DEG C;
By the above-mentioned material strip extruded through tie rod, be then cooled to room temperature by tank, then by pelleter granulation, last injection mo(u)lding obtains H type coil and puts up product.
Embodiment 2
Take raw material by the constituent of the coil of H molded line described in embodiment in table 12 compound resin and percentage by weight thereof, PC, ABS of taking dried 3 hours respectively with at 90 DEG C and 100 DEG C, then add white carbon, particle diameter is the TiO of 35nm
2mix with PC, ABS;
By the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid to join in high-speed mixer and be mixed evenly, wherein, described lubricant is calcium stearate, OP wax, and antioxidant is antioxidant 1010;
Join in double screw extruder by the compound be uniformly mixed to form in above-mentioned two steps by main feeding, filament diameter is that the glass fibre of 10 μm is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing; Double screw extruder each district temperature is one section: 200 DEG C, two sections: 230 DEG C, three sections: 240 DEG C, head: 260 DEG C;
By the above-mentioned material strip extruded through tie rod, be then cooled to room temperature by tank, then by pelleter granulation, last injection mo(u)lding obtains H type coil and puts up product.
Embodiment 3
Take raw material by the constituent of the coil of H molded line described in embodiment in table 13 compound resin and percentage by weight thereof, PC, ABS of taking dried 5 hours respectively with at 100 DEG C and 80 DEG C, then add white carbon, particle diameter is the TiO of 25nm
2mix with PC, ABS;
By the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid to join in high-speed mixer and be mixed evenly, wherein, described antioxidant is antioxidant 1010, irgasfos 168, and stabilizer is phosphite-type stabilisers;
Join in double screw extruder by the compound be uniformly mixed to form in above-mentioned two steps by main feeding, filament diameter is that the glass fibre of 30 μm is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing; Double screw extruder each district temperature is one section: 210 DEG C, two sections: 220 DEG C, three sections: 250 DEG C, head: 240 DEG C;
By the above-mentioned material strip extruded through tie rod, be then cooled to room temperature by tank, then by pelleter granulation, last injection mo(u)lding obtains H type coil and puts up product.
Embodiment 4
Take raw material by the constituent of the coil of H molded line described in embodiment in table 14 compound resin and percentage by weight thereof, PC, ABS of taking dried 3.5 hours respectively with at 93 DEG C and 95 DEG C, then add white carbon, particle diameter is the TiO of 28nm
2mix with PC, ABS;
By the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid to join in high-speed mixer and be mixed evenly, wherein, described lubricant is calcium stearate, silicone, and stabilizer is phenol stabilizer;
Join in double screw extruder by the compound be uniformly mixed to form in above-mentioned two steps by main feeding, filament diameter is that the glass fibre of 15 μm is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing; Double screw extruder each district temperature is one section: 208 DEG C, two sections: 228 DEG C, three sections: 242 DEG C, head: 255 DEG C;
By the above-mentioned material strip extruded through tie rod, be then cooled to room temperature by tank, then by pelleter granulation, last injection mo(u)lding obtains H type coil and puts up product.
Embodiment 5
Take raw material by the constituent of the coil of H molded line described in embodiment in table 15 compound resin and percentage by weight thereof, PC, ABS of taking dried 4.5 hours respectively with at 98 DEG C and 85 DEG C, then add white carbon, particle diameter is the TiO of 32nm
2mix with PC, ABS;
By the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid to join in high-speed mixer and be mixed evenly, wherein, described lubricant is calcium stearate, and antioxidant is irgasfos 168;
Join in double screw extruder by the compound be uniformly mixed to form in above-mentioned two steps by main feeding, filament diameter is that the glass fibre of 25 μm is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing; Double screw extruder each district temperature is one section: 208 DEG C, two sections: 222 DEG C, three sections: 248 DEG C, head: 245 DEG C;
By the above-mentioned material strip extruded through tie rod, be then cooled to room temperature by tank, then by pelleter granulation, last injection mo(u)lding obtains H type coil and puts up product.
Comparative example 1: take raw material by constituent described in table 1 comparative example 1 and percetage by weight thereof, other preparation method's steps are identical with embodiment 1, are not repeated herein.
Comparative example 2: take raw material by constituent described in table 1 comparative example 2 and percetage by weight thereof, other preparation method's steps are identical with embodiment 1, are not repeated herein.
Comparative example 3: take raw material by constituent described in table 1 comparative example 3 and percetage by weight thereof, other preparation method's steps are identical with embodiment 1, are not repeated herein.
Comparative example 4: take raw material by constituent described in table 1 comparative example 4 and percetage by weight thereof, other preparation method's steps are identical with embodiment 1, are not repeated herein.
Comparative example 5: take raw material by constituent described in table 1 comparative example 5 and percetage by weight thereof, other preparation method's steps are identical with embodiment 1, are not repeated herein.
Can be tested by H molded line coil Progressive symmetric erythrokeratodermia obtained in above-described embodiment 1-5 and comparative example 1-5, test result is as shown in table 2.
The performance test results of H molded line coil obtained in table 2: embodiment 1-5 and comparative example 1-5
As seen from Table 2, in automobile electrical magnetic relay of the present invention, H molded line coil is made by adopting the rational compound resin of compatibility, its performance is greatly improved, and then extends the useful life of automobile electrical magnetic relay.
As shown in Figure 2, sheet metal 9 comprises T-shaped horizontal plane 910, perpendicular to T-shaped horizontal plane 910 and to the perpendicular 920 of under shed and be connected inclined-plane 930 with perpendicular 920 open upper end, T-shaped horizontal plane 910 presses on pedestal 1 by lead wire 4, perpendicular 920 both sides are provided with triangle convex 921, and perpendicular 920 inserts pedestal 1 corresponds to the slot of sheet metal 9 and engaged by triangle convex 921, the other end on inclined-plane 930 connects with wiring board 8.
In order to the conducting between wiring board 8 and H molded line coil 2, between wiring board 8 and H molded line coil 2, sheet metal 9 is set, when seated, sheet metal 9 inserts pedestal 1, by triangle convex 921, sheet metal 9 is sticked in pedestal 1, the inclined-plane 930 of sheet metal 9 contacts with wiring board 8, constitutes the bridge between wiring board 8 and H molded line coil 2.
As shown in Figure 3, pedestal 1 has the board slot 110 for placing wiring board 8, the degree of depth of board slot 110 can make wiring board 8 can contact with the inclined-plane 930 of sheet metal 9.
As shown in Figure 4, lead wire 4 is L-type, pedestal 1 is inserted in the vertical portion 410 of lead wire 4, the horizontal part 420 of lead wire 4 is provided with fin 421, and horizontal part 420 is sticked in the notch 201 of H molded line coil 2 bottom by fin 421, the front end of lead wire 4 protrudes from H molded line coil 2, is connected with elastomeric element between the protuberance of both sides lead wire 4, the vertical portion 410 of lead wire 4 is inserted pedestal 1 and is penetrated pedestal 1 when seated, makes the horizontal part 420 of lead wire 4 press the T-shaped horizontal plane 910 of sheet metal 9.
Yoke 7 and armature 6 are equipped with projection 610, movable contact spring 10 is fitted by projection 610 and yoke 7 and armature 6 surface, this to make between movable contact spring 10 and armature 6 after relay power can conducting and pass through grafting between yoke 7 and armature 6, fixed by projection 610 between movable contact spring 10 and armature 6, welding procedure or other parts are not additionally used to build yoke 7, conducting between armature 6 and movable contact spring 10, while saving production material, simplify the operation of assembling.
As shown in Figure 5, pin 5 comprises the first plane 510, second plane 520 and the 3rd plane 530, first plane 510 is provided with the circular hole 511 corresponding with projection 421, and the first plane 510 fits in yoke 7 surface by circular hole 511, second plane 520 and the first plane 510 be vertical to be connected and the second plane 520 is pressed on pedestal 1, 3rd plane 530 and the vertical fillet of the second plane 520 insert slot pedestal 1 corresponding to pin 5, during installation, the 3rd plane 530 of pin 5 is inserted pedestal 1 and penetrates pedestal 1, the second plane 520 of pin 5 is made to press pedestal, the circular hole 511 of the first plane 510 is placed on the projection 610 on yoke 7 surface and makes conducting between pin 5 and yoke 7.
Shown in Fig. 1, pedestal 1 is also provided with a staged boss 120, staged boss 120 has the notch for assigning static contact spring piece 11, described static contact spring piece 11 is divided into upper electrostatic spring sheet 112 and lower static contact spring piece 113, lower static contact spring piece 113 presses in pedestal 1 plane through notch, upper electrostatic spring sheet 112 presses in the low order of staged boss 120 through notch, and arranging staged boss 120 is spaces in order to more effectively utilize relay, and effectively prevent upper electrostatic spring sheet 112 and lower static contact spring piece 113 interferes with each other.
Based on an assemble method for above-mentioned automobile electrical magnetic relay, its step is as follows:
The wiring board 8 being integrated with electronic component 3 is embedded the board slot 110 on pedestal 1;
Sheet metal 9 is inserted the slot at board slot 110 two ends, by triangle convex 921, sheet metal is sticked in slot, the inclined-plane 930 of sheet metal 9 is contacted with wiring board 8;
3rd plane 530 of the vertical portion 410 of lead wire 4 and pin 5 inserted pedestal 1 and penetrated pedestal 1, makes the horizontal part 420 of lead wire 4 press the T-shaped horizontal plane 910 of sheet metal 9, making the second plane 520 of pin 5 press pedestal;
The horizontal part 420 that the notch 201 of H molded line coil 2 bottom aims at lead wire 4 is sticked in lead wire 4;
By yoke 7 and armature 6 grafting mutually, and yoke 7 is fixed on the side of H molded line coil 2, makes armature 6 be fixed on the opposite side of the sidewall of H molded line coil 2;
Lower static contact spring piece 113 inserted the notch of staged boss 120 and press on pedestal 1, upper electrostatic spring sheet 112 is pressed in the low order of staged boss 120 through notch;
Movable contact spring 10 is fixed on the surface of armature 6 by the projection 610 on armature 6, and moving contact 101 is placed between upper electrostatic spring sheet 112 and lower static contact spring piece 113.
Known from number of assembling steps, in the present invention by fluting, establish projection, projection, fin by parts such as pedestal, bobbin, wiring board, lead wire, pin, armature, yokes by engaging, to splice and the mode of pressing replaces welding method to be assembled by relay, make to connect between parts more firm, improve quality and the useful life of relay, in production technology, enormously simplify the assembling of relay simultaneously, effectively enhance productivity, and production process environmental protection more.
In the present invention, electronic component comprises resistance and light-emitting diode, resistance and light-emitting diode are integrated on one piece of wiring board, between wiring board and coil, bridge is built by sheet metal, the problem occupying relay space because of resistance and light-emitting diode need not be considered, resistance is not needed to be connected with coil respectively by welding manner with light-emitting diode yet, solve the problem that electronic component takes up space, improve the space availability ratio of relay.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (10)
1. an automobile electrical magnetic relay, comprise pedestal (1), the H molded line coil (2) of belt coil, electronic component (3), lead wire (4), pin (5), armature (6) and yoke (7), it is characterized in that: described H molded line coil (2) is installed on pedestal (1), described H molded line coil is made up of compound resin, the bottom of H molded line coil (2) both sides is provided with notch (201) (201) for inserting lead wire (4), described electronic component (3) is integrated in wiring board (8), and wiring board (8) is arranged on pedestal (1), sheet metal (9) is connected with between wiring board (8) and lead wire (4), the grafting insert on pedestal (1) mutually of described yoke (7) and armature (6), one side of yoke (7) and a sidewall of H molded line coil (2) are fitted, described armature (6) is fitted with another sidewall of H molded line coil (2), armature (6) surface is fitted with the movable contact spring (10) of front end with moving contact (101), the front end of movable contact spring (10) exceeds the length of H molded line coil (2) sidewall, movable contact spring (10) both sides correspond to the static contact spring piece (11) that moving contact (101) is equipped with band fixed contact (111), (the percentage calculation) composed as follows of described compound resin: PC:40-60%, ABS:8-20%, glass fibre: 8-20%, TiO
2: 3-8%, white carbon: 3-8%, red phosphorus masterbatch: 5-8%, assists fire retardant: 1-5%, flexibilizer: 2-10%, processing aid: 3-10%.
2. a kind of automobile electrical magnetic relay according to claim 1, is characterized in that: the glass fibre described in H molded line coil compound resin is the alkali-free glass fibre through surface preparation, and filament diameter is 10-30 μm, described TiO
2particle diameter be 25-35nm.
3. a kind of automobile electrical magnetic relay according to claim 1, is characterized in that: the preparation method of described H molded line coil comprises the steps:
S1, take raw material by the composition of the molded line of H described in claim 1 coil compound resin and percetage by weight thereof, PC, ABS of taking are dried 3-5 hour respectively with at 90-100 DEG C and 80-100 DEG C, then adds white carbon, TiO
2mix with PC, ABS;
S2, by the red phosphorus masterbatch taken, assist fire retardant, flexibilizer, processing aid join in high-speed mixer and be mixed evenly;
S3, join in double screw extruder by the compound be uniformly mixed to form in step S1, S2 by main feeding, glass fibre is added by double screw extruder exhaust outlet, in double screw extruder, extrude material strip after mixing;
S4, by the above-mentioned material strip extruded through tie rod, cooling, granulation, last injection mo(u)lding obtains H type coil and puts up product.
4. a kind of automobile electrical magnetic relay according to claim 3, it is characterized in that: the temperature of each district of double screw extruder described in the preparation method of H molded line coil is one section: 200-210 DEG C, two sections: 220-230 DEG C, three sections: 240-250 DEG C, head: 240-260 DEG C.
5. a kind of automobile electrical magnetic relay according to claim 1, it is characterized in that: described sheet metal (9) comprises T-shaped horizontal plane (910), perpendicular to T-shaped horizontal plane (910) and to the perpendicular (920) of under shed and be connected inclined-plane (930) with perpendicular (920) open upper end, described T-shaped horizontal plane (910) is pressed on pedestal (1) by lead wire (4), described perpendicular (920) both sides are provided with triangle convex (921), and perpendicular (920) inserts pedestal (1) corresponding to the slot of sheet metal (9) and by triangle convex (921) engaging, the other end on described inclined-plane (930) connects with wiring board (8).
6. a kind of automobile electrical magnetic relay according to claim 1, it is characterized in that: described pedestal (1) has the board slot (110) for placing wiring board (8), the degree of depth of described board slot (110) makes wiring board (8) can contact with the inclined-plane of sheet metal (9) (930).
7. a kind of automobile electrical magnetic relay according to claim 1, it is characterized in that: described lead wire (4) is L-type, the vertical portion (410) of lead wire (4) inserts on pedestal (1), the horizontal part (420) of lead wire (4) is provided with fin (421), and horizontal part (420) is sticked in the notch (201) of H molded line coil (2) bottom by fin (421), the front end of lead wire (4) protrudes from H molded line coil (2), is connected with elastomeric element between the protuberance of both sides lead wire (4).
8. a kind of automobile electrical magnetic relay according to claim 1, it is characterized in that: described yoke (7) and armature (6) are equipped with projection (610), described movable contact spring (10) is fitted by projection (610) and yoke (7) and armature (6) surface.
9. a kind of automobile electrical magnetic relay according to claim 1, it is characterized in that: described pin (5) comprises the first plane (510), second plane (520) and the 3rd plane (530), described first plane (510) is provided with the circular hole corresponding with projection (610), and the first plane (510) fits in yoke (7) surface by circular hole, described second plane (520) and the first plane (510) be vertical to be connected and the second plane (520) is pressed on pedestal (1), described 3rd plane (530) and the second plane (520) vertical fillet insert the upper slot corresponding to pin (5) of pedestal (1).
10. an assemble method for the automobile electrical magnetic relay according to claim 1-9 any one, is characterized in that: comprise step:
The wiring board being integrated with electronic component is embedded the board slot on pedestal;
Sheet metal is inserted the slot at board slot two ends, by triangle convex (921), sheet metal is sticked in slot, the inclined-plane of sheet metal (930) is contacted with wiring board;
3rd plane (530) of the vertical portion (410) of lead wire and pin is inserted pedestal and penetrated pedestal, make the horizontal part of lead wire (420) press the T-shaped horizontal plane (910) of sheet metal, make second plane (520) of pin press pedestal;
The horizontal part (420) that the notch (201) of H molded line coil bottom aims at lead wire is sticked in lead wire;
By yoke and the mutual grafting of armature, and yoke is fixed on the side of H molded line coil, makes armature be fixed on the opposite side of the sidewall of H molded line coil;
Lower static contact spring piece (113) is inserted the notch (201) of staged boss (120) and presses on pedestal, upper electrostatic spring sheet (112) is pressed in the low order of staged boss (120) through notch (201);
Movable contact spring is fixed on the surface of armature by the projection (610) on armature, and moving contact is placed between upper electrostatic spring sheet (112) and lower static contact spring piece (113).
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|---|---|---|---|
| CN201410668683.8A CN104465224B (en) | 2014-11-20 | 2014-11-20 | A kind of automobile electrical magnetic relay |
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|---|---|---|---|
| CN201410668683.8A CN104465224B (en) | 2014-11-20 | 2014-11-20 | A kind of automobile electrical magnetic relay |
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| CN104465224B CN104465224B (en) | 2015-12-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109044198A (en) * | 2018-07-06 | 2018-12-21 | 浙江力佳隆毛刷有限公司 | A kind of bidirectional screw winding round brush and its manufacture craft |
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|---|---|
| CN104465224B (en) | 2015-12-09 |
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