CN107492442A - Ignition coil manufacture method - Google Patents
Ignition coil manufacture method Download PDFInfo
- Publication number
- CN107492442A CN107492442A CN201710684222.3A CN201710684222A CN107492442A CN 107492442 A CN107492442 A CN 107492442A CN 201710684222 A CN201710684222 A CN 201710684222A CN 107492442 A CN107492442 A CN 107492442A
- Authority
- CN
- China
- Prior art keywords
- ignition coil
- embedding
- manufacture method
- potting compound
- coil body
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
Abstract
A kind of ignition coil manufacture method, comprises the following steps：S1, coiling, wire is wound on iron core and forms coil；S2, assembling, coil are fitted into hull shape into ignition coil body, and ignition coil body are preheated；S3, embedding, it is potting compound to choose epoxy resin AB glue, carries out vacuum defoamation to potting compound, the potting compound after deaeration is injected into shell；S4, solidification, the ignition coil body good to embedding are dried, then natural cooling；Such as the next stage is included to the drying course of ignition coil body：First stage：Heated 2 hours with 70 DEG C~80 DEG C；Second stage：Heated more than 6 hours with 95 DEG C~100 DEG C.Further limit, pre-warmed concretely comprise the following steps is carried out to ignition coil body in S2：90 DEG C ± 10 DEG C are carried out to ignition coil to toast more than 1 hour.With being simple to manufacture, the characteristics of moistureproof, high pressure resistant, shockproof effect.
Description
Technical field
The present invention relates to ignition coil manufacturing process area, and in particular to a kind of ignition coil manufacture method.
Background technology
Overboard in the igniter of machine, due to for a long time in water general work, the humid environment for causing device to work, and revealing
In it environment, when raining, moisture is more, and the existing waterproof and dampproof mode of ignition coil is that ignition coil carries out dipping lacquer processing,
There is insulated paint insulating properties itself are low, dipped type is poor, maximum operation (service) temperature is low for paint-dipping process.
The content of the invention
The present invention in view of the shortcomings of the prior art, proposes a kind of ignition coil manufacture method, and technique is simple, and produce
Ignition coil humidity resistance is good, breakdown voltage resistant more than high pressure 60KV, handled with present invention process after can allow coil, iron core, outer
Shell turns into an entirety, thoroughly solves because actual condition produces because of vibrations coil and iron core integrally loosens and causes using middle
The problem of copper cash abrasion and fracture of line.Concrete technical scheme is as follows：
A kind of ignition coil manufacture method, comprises the following steps：
S1, coiling,
Wire is wound on iron core and forms coil；
S2, assembling,
Coil is fitted into hull shape into ignition coil body, and ignition coil body is preheated；
S3, embedding,
It is potting compound to choose epoxy resin AB glue, carries out vacuum defoamation to potting compound, the potting compound after deaeration is injected into
In shell；
S4, solidification,
The ignition coil body good to embedding is dried, then natural cooling；
Such as the next stage is included to the drying course of ignition coil body：
First stage：Heated 2 hours with 70 DEG C~80 DEG C；
Second stage：Heated more than 6 hours with 95 DEG C~100 DEG C.
Further limit, pre-warmed concretely comprise the following steps is carried out to ignition coil body in S2：
90 DEG C ± 10 DEG C are carried out to ignition coil to toast more than 1 hour.
Further limit, S3 is specially：
Epoxy resin AB glue is preheated respectively, then mixing is stirred foaming, wherein specific foaming condition is：
Blowing temperature：70 DEG C~80 DEG C；
Inclined heated plate >=1 hour；
Deaeration vacuum≤- 0.095MPa.
Further limit, after charging basket vacuum≤- 0.095MPa, stirring inclined heated plate is more than 0.5h and carries out embedding.
Further limit, the condition of embedding is in S3：
Potting compound validity period：≤3.5h；
Barrel pressure：≤0.3MPa；
Embedding room temperature：25 DEG C~60 DEG C；
Embedding room vacuum：≤0.07MPa；
Embedding height：Potting compound liquid level is higher than 2~3mm of iron core.
Further limit, after the S3 embeddings step, in addition to secondary embedding step, the liquid level of secondary embedding
Less than edge 1mm~1.5mm of shell.
Further limit, before S4 solidification is carried out, check whether there is bubble, existed if any bubble with alcohol spray
On epoxy liquid level.
Beneficial effects of the present invention are：
1st, this manufacture method by way of elevated cure epoxy resin can be sufficiently filled into each gap,
The moistureproof effect of better seal can be reached；
2nd, by being preheated to ignition coil body so that when gap is filled, epoxy resin can preferably and point
Fiery coil body is bonded, and avoids the phenomenon of cold and hot tomography；
3rd, allow coil and iron core to be more wrapped in shell by secondary embedding, add Jacket thickness, it is moistureproof
Performance boost；
4th, bubble is eliminated by alcohol spraying, produces crack or stomata when avoiding epoxy resin cure, lift table
Face quality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of ignition coil body.
Fig. 2 is the structural representation with the shell 2 of ignition coil Ontology Matching.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
A kind of ignition coil manufacture method, comprises the following steps：
S1, coiling,
Wire is wound on iron core and forms coil；
S2, assembling,
Coil is fitted into hull shape into ignition coil body, and ignition coil body is preheated；
It is pre-warmed to the progress of ignition coil body to be specially：
90 DEG C ± 10 DEG C are carried out to ignition coil body to toast more than 1 hour.
S3, embedding,
It is potting compound to choose epoxy resin AB glue, epoxy resin AB glue is preheated respectively, then with parts by weight 4:1
Ratio mixing is stirred deaeration, wherein specific deaeration condition is：
Deaeration temperature：70 DEG C~80 DEG C；
Inclined heated plate >=1 hour；
Deaeration vacuum≤- 0.095MPa.
And after charging basket vacuum≤- 0.095MPa, stirring inclined heated plate is more than 0.5h and carries out embedding, i.e., by after deaeration
Potting compound be injected into shell.
The condition of wherein embedding is：
Potting compound validity period：≤3.5h；
Barrel pressure：≤0.3MPa；
Embedding room temperature：25 DEG C~60 DEG C；
Embedding room vacuum：≤0.07MPa；
Embedding height：Potting compound liquid level is higher than 2~3mm of iron core.
Also include secondary embedding step after the completion of an embedding, the liquid level of secondary embedding is less than the edge 1mm of shell
~1.5mm.
Check whether there is bubble, if any bubble with alcohol spray on epoxy liquid level.
S4, solidification,
The ignition coil body good to embedding is dried, and includes such as the next stage to the drying course of ignition coil body：
First stage：Heated 2 hours with 70 DEG C~80 DEG C；
Second stage：Heated more than 6 hours with 120 DEG C~130 DEG C.
Natural cooling, complete.
Epoxy resin AB glue：Epoxy resin AB glue refers in a molecular structure, contains two or more rings
Epoxide, and under appropriate chemical reagent and appropraite condition, the general name of three-dimensional cross-linked shape curing compound can be formed.It is by epoxy
Resin is the Bi-component high-temperature resistant adhesive of base, and A is the sticky paste of light yellow clear；B be brown or dark thick liquid or
Crystal.
As shown in Figure 1 and Figure 2, wire forms ignition coil body on iron core 1, and screens groove 21 is provided with the inwall of shell 2,
The end 11 of iron core 1 is stuck on screens groove 21 so that the coil on iron core 1 is suspended, and when being irrigated, epoxy resin is by line
The surrounding of circle is all surrounded, and thickness is not in too thin situation, ensures its moistureproof, high pressure resistant, shockproof effect.
Claims (7)
- A kind of 1. ignition coil manufacture method, it is characterised in that：Comprise the following steps：S1, coiling,Wire is wound on iron core and forms coil；S2, assembling,Coil is fitted into hull shape into ignition coil body, and ignition coil body is preheated；S3, embedding,It is potting compound to choose epoxy resin AB glue, carries out vacuum defoamation to potting compound, the potting compound after deaeration is injected into shell；S4, solidification,The ignition coil body good to embedding is dried, then natural cooling；Such as the next stage is included to the drying course of ignition coil body：First stage：Heated 2 hours with 70 DEG C~80 DEG C；Second stage：Heated more than 6 hours with 95 DEG C~100 DEG C.
- A kind of 2. ignition coil manufacture method according to claim 1, it is characterised in that：Ignition coil body is entered in S2 Row is pre-warmed to be concretely comprised the following steps：90 DEG C ± 10 DEG C are carried out to ignition coil to toast more than 1 hour.
- A kind of 3. ignition coil manufacture method according to claim 1, it is characterised in that：S3 is specially：Epoxy resin AB glue is preheated respectively, then mixing is stirred deaeration, wherein specific deaeration condition is：Deaeration temperature：70 DEG C~80 DEG C；Inclined heated plate >=1 hour；Deaeration vacuum≤- 0.095MPa.
- A kind of 4. ignition coil manufacture method according to claim 3, it is characterised in that：Treat charging basket vacuum≤- After 0.095MPa, stirring inclined heated plate is more than 0.5h and carries out embedding.
- A kind of 5. ignition coil manufacture method according to claim 1, it is characterised in that：The condition of embedding is in S3：Potting compound validity period：≤3.5h；Barrel pressure：≤0.3MPa；Embedding room temperature：25~60 DEG C；Embedding room vacuum：≤0.07MPa；Embedding height：Potting compound liquid level is higher than 2~3mm of iron core.
- A kind of 6. ignition coil manufacture method according to claim 5, it is characterised in that：By the S3 embeddings step Afterwards, in addition to secondary embedding step, the liquid level of secondary embedding are less than edge 1mm~1.5mm of shell.
- A kind of 7. ignition coil manufacture method according to claim 1, it is characterised in that：Before S4 solidification is carried out, Check whether there is bubble, if any bubble with alcohol spray on epoxy liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684222.3A CN107492442A (en) | 2017-08-11 | 2017-08-11 | Ignition coil manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684222.3A CN107492442A (en) | 2017-08-11 | 2017-08-11 | Ignition coil manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492442A true CN107492442A (en) | 2017-12-19 |
Family
ID=60644130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710684222.3A Pending CN107492442A (en) | 2017-08-11 | 2017-08-11 | Ignition coil manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492442A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565104A (en) * | 2018-03-30 | 2018-09-21 | 芜湖双林汽车部件有限公司 | A kind of ignition coil processing technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592820A (en) * | 2012-03-28 | 2012-07-18 | 江苏中容科技有限公司 | One-step forming process of cast coil of dry type transformer |
| CN104875311A (en) * | 2015-04-24 | 2015-09-02 | 江苏天利机电有限公司 | Production and pouring method of dry type transformer coil |
| CN205487717U (en) * | 2015-12-18 | 2016-08-17 | 天津斯巴克瑞汽车电子股份有限公司 | Prevent ignition coil structure of high pressure and iron core puncture |
| CN106571224A (en) * | 2016-08-15 | 2017-04-19 | 浙江辉波蕾汽车部件有限公司 | Technology for embedment of automobile ignition coils |
| CN106634752A (en) * | 2016-12-30 | 2017-05-10 | 上海嘉尔成汽车部件有限公司 | Special epoxy resin potting adhesive for ignition coils and preparation method thereof |
-
2017
- 2017-08-11 CN CN201710684222.3A patent/CN107492442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592820A (en) * | 2012-03-28 | 2012-07-18 | 江苏中容科技有限公司 | One-step forming process of cast coil of dry type transformer |
| CN104875311A (en) * | 2015-04-24 | 2015-09-02 | 江苏天利机电有限公司 | Production and pouring method of dry type transformer coil |
| CN205487717U (en) * | 2015-12-18 | 2016-08-17 | 天津斯巴克瑞汽车电子股份有限公司 | Prevent ignition coil structure of high pressure and iron core puncture |
| CN106571224A (en) * | 2016-08-15 | 2017-04-19 | 浙江辉波蕾汽车部件有限公司 | Technology for embedment of automobile ignition coils |
| CN106634752A (en) * | 2016-12-30 | 2017-05-10 | 上海嘉尔成汽车部件有限公司 | Special epoxy resin potting adhesive for ignition coils and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565104A (en) * | 2018-03-30 | 2018-09-21 | 芜湖双林汽车部件有限公司 | A kind of ignition coil processing technology |
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Application publication date: 20171219 |