CN102054553A - Electromagnetic coil and manufacture method thereof - Google Patents
Electromagnetic coil and manufacture method thereof Download PDFInfo
- Publication number
- CN102054553A CN102054553A CN2009102208094A CN200910220809A CN102054553A CN 102054553 A CN102054553 A CN 102054553A CN 2009102208094 A CN2009102208094 A CN 2009102208094A CN 200910220809 A CN200910220809 A CN 200910220809A CN 102054553 A CN102054553 A CN 102054553A
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- cable
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Abstract
The invention provides an electromagnetic coil and a manufacture method thereof, wherein the electromagnetic coil comprises a coil injection molding member, one side of the coil injection molding member is provided with a connecting structure used for connecting a power cable part with a pin. The electromagnetic coil also comprises a housing, wherein the housing covers the connecting structure and is welded and connected with the coil injection molding member. In the electromagnetic coil and the manufacture method thereof, provided by the embodiment of the invention, a die structure can be simpler through designing the welding connection of the coil injection molding member and the housing as a split structure, the problem of complicated structure of the traditional electromagnetic coil is solved; meanwhile, the split structure is beneficial to the installation of the power cable part to ensure that the process is more reasonable.
Description
Technical field
The embodiment of the invention relates to electromagnetic control components, relates in particular to a kind of solenoid and manufacture method thereof.
Background technology
Existing solenoid can adopt Fig. 1～three kinds of versions shown in Figure 3 usually.Wherein, Fig. 1 is the structural representation of prior art solenoid embodiment one, and this solenoid is the integral type casing structure, is about to coil moulding integral body and is nested in casing structure inside; Fig. 2 is the structural representation of prior art solenoid embodiment two, and this solenoid is the integral type injection structure, is about to casing structure and coil moulding structure and finishes by the disposable injection moulding of mould; Fig. 3 is the structural representation of prior art solenoid embodiment three, and this solenoid is split type injection structure, is about to casing structure and separates injection moulding with the coil moulding and finish.In above-mentioned three kinds of structures, coil moulding and case are monolithic construction, Integratively formed can not separating.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: by Fig. 1～Fig. 3 as can be seen, the integral type injection structure of above-mentioned coil moulding and case, shape are comparatively complicated, make that thus mould and the manufacturability of making this monolithic construction are also comparatively complicated; In addition, above-mentioned three kinds of structures for example, are just utilized cable terminal and contact pin to carry out plug-in type and are contacted because coil moulding and the case monolithic construction for not separating causes the installation that is unfavorable for the cable parts among Fig. 3, may cause connection insecure.
Summary of the invention
The embodiment of the invention provides a kind of solenoid and manufacture method thereof, in order to realizing that electromagnetic coil structure is simple, technology is reasonable, and is beneficial to the installation of cable parts.
The embodiment of the invention provides a kind of solenoid, comprises the coil moulding, and a side of described coil moulding is provided with and is used for cable parts and contact pin connection structure connecting; Also comprise case, described case cover fastens described syndeton, and is welded to connect with described coil moulding.
On this basis, described syndeton can comprise contact pin and the cable location notch that is used for fixing cable; This cable location notch can be when stube cable line and contact pin the position of attached cable line.Described syndeton can also comprise and be used for inserting the snaps into position groove of location for buckle; This snaps into position groove can be directly fixing snaps into position.
Can be provided with the sealing wire that bar shaped is protruded on the sideline of described case.The shape of described sealing wire can be triangle.The setting of this sealing wire can be so that the easier fusion of welding wire material improves welding efficiency.Further, the side of described sealing wire can also be provided with the holding tank that is used to hold the sealing wire flash after the fusion.This holding tank can be at ccontaining sealing wire flash of when welding, makes the solenoid profile after the welding neat and artistic.The edge, base of described case can be provided with catch, and described catch the time is offset in order to prevent the case welding.
Described cable parts comprise circuit board, and described circuit board is provided with cable entry port and pin holes, are provided with cable in the described cable entry port, and described cable is fixed in the described cable location notch; Described contact pin inserts in the described pin holes and described cable is welded to connect.Also comprise buckle, described snap fit is in described snaps into position groove, and the salient point of described buckle contacts with the outer surface of described coil moulding.Described buckle is provided with the snaps into position hole.
The embodiment of the invention also provides a kind of manufacture method of solenoid, comprising:
The moulding of coil injection moulding, mounting cable line parts on described coil moulding are welded to connect contact pin on the described coil moulding and the cable in the cable parts;
Case is placed on the top of described coil moulding, and cover fastens described contact pin and cable parts, and described case and coil moulding are welded to connect.
The solenoid of the embodiment of the invention and manufacture method thereof, by being designed to the split structure that coil moulding and case are welded to connect, can make mould structure comparatively simple, solved existing solenoid mould structure complicated problems, and, this split structure also is beneficial to the installation of cable parts, makes technical process more reasonable.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of prior art solenoid embodiment one;
Fig. 2 is the structural representation of prior art solenoid embodiment two;
Fig. 3 is the structural representation of prior art solenoid embodiment three;
Fig. 4 is the structural representation of solenoid embodiment of the present invention;
Fig. 5 is the structural representation of coil moulding among Fig. 4;
Fig. 6 is the structural representation of case among Fig. 4;
Fig. 7 is that the A-A of Fig. 6 is to cutaway view;
Fig. 8 is the assembling schematic diagram of solenoid embodiment of the present invention;
Fig. 9 is the welding schematic diagram of solenoid embodiment of the present invention;
Figure 10 is the schematic flow sheet of the manufacture method embodiment of solenoid of the present invention.
Description of reference numerals:
11-coil moulding; The 12-case; The 13-contact pin;
14-cable location notch; 15-snaps into position groove; The 16-upper surface;
The 17-sideline; The 18-sealing wire; The 19-holding tank;
The 20-catch; The 21-cable; The 22-circuit board;
The 23-buckle; The 24-salient point; 25-snaps into position hole;
26-epoxy resin; 27-cable parts; The 28-pin holes.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 4 is the structural representation of solenoid embodiment of the present invention, and the solenoid of present embodiment comprises coil moulding 11 and case 12, and case 12 is arranged on the outer surface of coil moulding 11, and is welded to connect with coil moulding 11.Comparison diagram 3 and Fig. 4 as can be seen, the electromagnetic coil structure shape of the split structure in the present embodiment is comparatively simple, so the structure of its injection mold is also fairly simple.Fig. 5 is the structural representation of coil moulding among Fig. 4, and Fig. 6 is the structural representation of case among Fig. 4.Below in conjunction with Fig. 4～Fig. 6, the structure of solenoid embodiment of the present invention is described.
The internal structure of coil moulding 11 is identical with existing coil moulding, for example, mainly comprise skeleton, along the winding of backbone winding core coiling, and be encapsulated layer with the moulding resin injection mo(u)lding in the periphery of this skeleton and winding, the common coil moulding 11 that forms of this encapsulated layer and skeleton and winding.Be provided with in a side of coil moulding 11 and be used for cable and contact pin connection structure connecting, case 12 covers fasten this syndeton, and and coil moulding 11 be welded to connect.Can comprise a plurality of contact pins 13 of being welded to connect with cable of being used in this syndeton, for example, 6 contact pins 13 can be set in the present embodiment; Corresponding to each contact pin 13, can be respectively arranged with the cable location notch 14 that the power supply cable connects the location, this cable location notch 14 can be when being welded to connect cable the position of attached cable line; This syndeton can also comprise and be used for inserting the snaps into position groove 15 of location for buckle, can directly buckle be put into this snaps into position groove 15 when mounted, and buckle is carried out fixed-site.
Secondly, further, holding tank 19 can also be set in the one or both sides of sealing wire 18, the sealing wire flash of fusion when this holding tank 19 can hold welding, thereby can guarantee that the outward appearance of solenoid does not have flash after welding is finished, monnolithic case is clean and tidy and attractive in appearance.Once more, can also catch 20 be set at the edge, base of case 12, this catch 20 can play the effect that prevents that case 12 from moving in the process of dither near coil moulding 11 when welding, thereby can be so that case 12 and coil moulding 11 weld more firmly, better tightness.
This solenoid can also comprise the cable parts, these cable parts comprise circuit board 22 and cable 21, this circuit board 22 is provided with cable entry port and pin holes, wherein, be provided with cable 21 in the cable entry port, as shown in Figure 4, the cable of cable parts is positioned in the cable location notch 14, in the pin holes that contact pin 13 inserts in the cable parts, circuit board 22 is adjacent to mutually with the end face at the syndeton place of coil moulding 11 1 sides, and contact pin 13 is welded to connect with cable 21.By circuit board 22 is set, be easy to the welding of cable 21 and contact pin 13, guaranteed that contact pin 13 is firm with being connected of cable 21, avoided using terminal to connect the loose contact problem that occurs in contact pin and the cable process.In addition, because coil moulding 11 and case 12 are split structures, thereby can carry out the technology such as assembling, welding of cable and contact pin earlier, again case 12 is welded on the outer surface of coil moulding 11, monolithic construction with respect to existing solenoid, more help the erection welding of cable and contact pin, and cable and contact pin be connected more firm.
The solenoid of present embodiment can also comprise buckle 23, and this buckle 23 can be fixed in the snaps into position groove 15, and the salient point 24 of buckle 23 contacts with the outer surface of coil moulding 11.In addition, on this buckle 23 snaps into position hole 25 can also be set.Referring to Fig. 1, can be so that when welding be finished, between case 12 and the circuit board 22, and all exuberant epoxy resin 26 that embedding is arranged in the snaps into position hole 25, just can realize direct sealed electrical cable parts and fixing buckle 23 by this epoxy resin 26, and do not need other parts and operating process to come buckle 23 is fixed, thereby make technical process simple and convenient.
Coil moulding and case two parts in the solenoid can directly weld together by ultrasonic welding of plastic, specify the molding process of present embodiment solenoid below:
Referring to Fig. 8, Fig. 8 is the assembling schematic diagram of solenoid embodiment of the present invention.At first, coil injection moulding 11 with each parts for example skeleton and winding etc., is encapsulated in injected plastics material inside, one-shot forming.Then, coil moulding 11 is fixing, cable parts 27 are assemblied on the coil moulding 11.Concrete, in the pin holes 28 of six reservations on the six roots of sensation contact pin 13 corresponding insertion circuit boards 22 in the syndeton of coil moulding 11 1 sides, six roots of sensation cable 21 correspondences are put into the cable location notch 14 of the syndeton of coil moulding 11.The end face of again the rectangle end face of circuit board 22 being close to the syndeton of coil moulding 11 1 sides with six roots of sensation contact pin 13 and the 21 corresponding welding of six roots of sensation cable, is finished being connected of cable and contact pin, and this cable that is welded to connect is connected comparatively firm with contact pin.
After the assembling of finishing cable and contact pin, then case 12 and coil moulding 11 are welded.Referring to Fig. 9, Fig. 9 is the welding schematic diagram of solenoid embodiment of the present invention.At first, the coil moulding 11 that has been welded to connect cable parts 27 is placed on the device for ultrasonic welding, the end face of circuit board 22 upwards, promptly the end face that exposes of contact pin 23 is upwards.Then, case 12 is placed on the top of coil moulding 11, the catch 20 on the case 12 is near coil moulding 11, by the fixing position of case 12 of catch 20, prevents that case 12 from moving forward and backward in the process of high-frequency vibration.Ultrasonic bonding coil moulding 11 and case 12, the pressure of weld mold act on the upper surface 16 and three sidelines 17 of case 12, make leg-of-mutton sealing wire 18 fusions in the vibrations process of high frequency, and case 12 and coil moulding 11 are welded together.In the process of sealing wire 18 fusions, the material of fusion is filled in the holding tank 19 of sealing wire 18 both sides, and the material of assurance fusion is outer to overflow case 12, can guarantee to weld the clean and tidy and attractive in appearance of the whole solenoid product in back.
After welding is finished, carry out the seal operation of the fixing and circuit board of buckle at last.In conjunction with referring to Fig. 1, after welding is finished, at first, buckle 23 is put into snaps into position groove 15, be benchmark with the salient point 24 of buckle 23 and the plane contact of coil moulding 11.Then, encapsulated epoxy resin 26, during embedding, epoxy resin 26 is directly exuberant between circuit board 22 and case 12, and cable parts 27 are sealed; Simultaneously, also flow in the snaps into position hole 25, epoxy resin 26 solidifies directly fixing buckle 23 of back, whole process operation convenience, and technology is comparatively simple.More than, whole solenoid completes.
The split structure that the solenoid of the foregoing description is welded to connect by being designed to coil moulding and case can make mould structure comparatively simple, has solved existing solenoid mould structure complicated problems; And this split structure also is beneficial to processes such as the assembling, welding of cable and contact pin, makes technical process more reasonable, and Welding Structure is more firm, the sealing when guaranteeing the epoxy resin embedding; By the melter structure is set, make welding back solenoid not have flash, profile is more attractive in appearance.It can be applied to family expenses and automobile-used, commercial air-conditioning system, soup feeding machine system, or the air source water heater system etc., can carry out the microcomputer instruction, for electric expansion valve provides pulse signal with adjusting air-conditioning system, soup feeding machine system, or the refrigerant flow of air source water heater system.
On the basis of above-mentioned solenoid embodiment, the embodiment of the invention provides a kind of method of making above-mentioned solenoid.Figure 10 is the schematic flow sheet of the manufacture method embodiment of solenoid of the present invention, and as shown in figure 10, the manufacture method of this solenoid can may further comprise the steps:
Concrete implementation process can not repeat them here referring to the related description about its molding process among the solenoid embodiment.
The solenoid manufacture method of present embodiment by being designed to the split structure of coil moulding and case, and is welded to connect it, can help the installation of cable parts more, and technical process is more reasonable.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a solenoid is characterized in that, comprises the coil moulding, and a side of described coil moulding is provided with and is used for cable parts and contact pin connection structure connecting; Also comprise case, described case cover fastens described syndeton, and is welded to connect with described coil moulding.
2. solenoid according to claim 1 is characterized in that, described syndeton comprises contact pin and is used for fixing the cable location notch of cable.
3. solenoid according to claim 1 is characterized in that, described syndeton comprises and is used for inserting the snaps into position groove of location for buckle.
4. solenoid according to claim 1 is characterized in that, the sideline of described case is provided with the sealing wire that bar shaped is protruded.
5. solenoid according to claim 4 is characterized in that, described sealing wire be shaped as triangle.
6. solenoid according to claim 4 is characterized in that, the side of described sealing wire is provided with the holding tank that is used to hold the sealing wire flash after the fusion.
7. solenoid according to claim 1 is characterized in that, the edge, base of described case is provided with catch, and described catch is used near described coil moulding.
8. solenoid according to claim 2, it is characterized in that described cable parts comprise circuit board, described circuit board is provided with cable entry port and pin holes, be provided with cable in the described cable entry port, and described cable is fixed in the described cable location notch; Described contact pin inserts in the described pin holes and described cable is welded to connect.
9. solenoid according to claim 3 is characterized in that, also comprises buckle, and described snap fit is in described snaps into position groove, and the salient point of described buckle contacts with the outer surface of described coil moulding.
10. solenoid according to claim 9 is characterized in that described buckle is provided with the snaps into position hole.
11. the manufacture method of a solenoid is characterized in that, comprising:
The moulding of coil injection moulding, mounting cable line parts on described coil moulding are welded to connect contact pin on the described coil moulding and the cable in the cable parts;
Case is placed on the top of described coil moulding, and cover fastens described contact pin and cable parts, and described case and coil moulding are welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102208094A CN102054553A (en) | 2009-11-06 | 2009-11-06 | Electromagnetic coil and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102208094A CN102054553A (en) | 2009-11-06 | 2009-11-06 | Electromagnetic coil and manufacture method thereof |
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| Publication Number | Publication Date |
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| CN102054553A true CN102054553A (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102208094A Pending CN102054553A (en) | 2009-11-06 | 2009-11-06 | Electromagnetic coil and manufacture method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102881400A (en) * | 2012-07-16 | 2013-01-16 | 艾通电磁技术（昆山）有限公司 | Coil joint module |
| CN102913661A (en) * | 2011-08-04 | 2013-02-06 | 浙江三花股份有限公司 | Thrusting needle wrapping body and coil injection molding piece with same |
| CN103219127A (en) * | 2013-04-25 | 2013-07-24 | 艾通电磁技术（昆山）有限公司 | Alternating current-direct current conversion electromagnet coil connecting structure |
| CN103219125A (en) * | 2013-04-25 | 2013-07-24 | 艾通电磁技术（昆山）有限公司 | Printed circuit board (PCB) assembling structure of alternating-current-direct-current electromagnet |
| CN103237431A (en) * | 2013-04-25 | 2013-08-07 | 艾通电磁技术（昆山）有限公司 | Printed circuit board (PCB) protection structure for alternating current/direct current electromagnet |
| CN104283397A (en) * | 2013-07-10 | 2015-01-14 | 浙江三花汽车零部件有限公司 | Stepping motor coil |
| CN106151646A (en) * | 2015-04-13 | 2016-11-23 | 浙江三花股份有限公司 | Explosion-proof coil, electric expansion valve and the processing method of explosion-proof coil |
-
2009
- 2009-11-06 CN CN2009102208094A patent/CN102054553A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913661A (en) * | 2011-08-04 | 2013-02-06 | 浙江三花股份有限公司 | Thrusting needle wrapping body and coil injection molding piece with same |
| CN102881400A (en) * | 2012-07-16 | 2013-01-16 | 艾通电磁技术（昆山）有限公司 | Coil joint module |
| CN103219127A (en) * | 2013-04-25 | 2013-07-24 | 艾通电磁技术（昆山）有限公司 | Alternating current-direct current conversion electromagnet coil connecting structure |
| CN103219125A (en) * | 2013-04-25 | 2013-07-24 | 艾通电磁技术（昆山）有限公司 | Printed circuit board (PCB) assembling structure of alternating-current-direct-current electromagnet |
| CN103237431A (en) * | 2013-04-25 | 2013-08-07 | 艾通电磁技术（昆山）有限公司 | Printed circuit board (PCB) protection structure for alternating current/direct current electromagnet |
| CN103237431B (en) * | 2013-04-25 | 2016-08-10 | 艾通电磁技术（昆山）有限公司 | The pcb board protection structure of alterating and direct current Magnet |
| CN104283397A (en) * | 2013-07-10 | 2015-01-14 | 浙江三花汽车零部件有限公司 | Stepping motor coil |
| CN104283397B (en) * | 2013-07-10 | 2018-05-29 | 浙江三花汽车零部件有限公司 | A kind of stepper motor coil |
| CN106151646A (en) * | 2015-04-13 | 2016-11-23 | 浙江三花股份有限公司 | Explosion-proof coil, electric expansion valve and the processing method of explosion-proof coil |
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Application publication date: 20110511 |