CN205336566U - Novel local electromagnetic heating device - Google Patents
Novel local electromagnetic heating device Download PDFInfo
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- CN205336566U CN205336566U CN201620062624.0U CN201620062624U CN205336566U CN 205336566 U CN205336566 U CN 205336566U CN 201620062624 U CN201620062624 U CN 201620062624U CN 205336566 U CN205336566 U CN 205336566U
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- underarm
- upper arm
- magnetic core
- coil
- connecting portion
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Abstract
The utility model discloses a novel local electromagnetic heating device, on, U type magnetic core of under including U type magnetic core, coil on and down, this time U type magnetic core is including under and connecting portion of first underarm, second underarm, and this time connecting portion integrated into one piece connects between first underarm and second underarm, should go up U type magnetic core and including first upper arm, second upper arm with go up connecting portion, should go up connecting portion integrated into one piece and connect between first upper arm and second upper arm, and just be formed with the centre gripping space between first upper arm and the first underarm, this second upper arm and second underarm are just right each other, this time coil twines on first underarm, and should go up the coil and twine on first upper arm, and coil and last coil series connection down. The utility model discloses many covers use simultaneously can realize that a plurality of regional areas connect with hot welding simultaneously on big face, guarantees that the effect of predetermined position is stable to the energy is concentrated, the power saving, and the work piece inside and outside evenly generates heat, and it is effectual to bond, combines the reinforce, and the magnetic leakage is few, reduces electromagnetic noise.
Description
Technical field
This utility model relates to heater art, refers in particular to a kind of novel local electromagnetic heater。
Background technology
Now, it is used in computer (such as PC), telecommunication installation (phone, radio etc.), the printed circuit of Electronic Design in household electrical appliance etc., its principle is from several plies and with trench designed by circuit layout with the separated conductive layer of resistance material。
So structure will form a multiple-level stack and utilizes successive process to produce final printed circuit with complete step；This circuit can be a gravity die, and such as electronic cards (being commonly referred to as printed circuit board (PCB)), or bendable type is as in order to the compact electronic device of mobile apparatus part or relevant apparatus。
The multiple-level stack of number plies closely bonds and one arises from one and electrically intercept on base material；Last layer general is the weaving by glass, synthetic fibers or similar material or fiber-like, and impregnation adhesive, is commonly referred to as preimpregnation。
This multiple-level stack combines and bonds the stampings becoming suitable mostly, partly completes multiple-level stack and is then heated and bonding processes。In order to obtain the product having required function with structure speciality, such circuit layer and sealing coat must be overlapped in this multiple-level stack accurately。Therefore, when processing several step of this multiple-level stack, being mutually shifted between either circuit layer and other adjacent layer need to be prevented。At present, existing method is for utilization point riveting or directly heats heat transfer welding, but, some riveting pre-determined bit effect is unstable, and snead process conduction of heat is uneven, and bond effect is bad。Therefore, it is necessary to a kind of device of research is to solve the problems referred to above。
Utility model content
In view of this, this utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of novel local electromagnetic heater, and it can effectively solve existing employing point riveting or snead process exists the problem that pre-determined bit effect is bad or bond effect is bad。
For achieving the above object, this utility model adopts such as purgation technical scheme:
A kind of novel local electromagnetic heater, includes down U-shaped magnetic core, upper U-shaped magnetic core, lower coil and upper coil；Under this, U-shaped magnetic core includes the first underarm, the second underarm and lower connecting portion, and this lower connecting portion is one-body molded to be connected between the first underarm and the second underarm；On this, U-shaped magnetic core includes the first upper arm, the second upper arm and upper connecting portion, on this, connecting portion is one-body molded is connected between the first upper arm and the second upper arm, first upper arm and the first underarm are opposite to each other, and first be formed with grasping part between upper arm and the first underarm, this second upper arm and the second underarm are opposite to each other；This lower coil is wound on the first underarm, and on this, coil is wound on the first upper arm, and lower coil and upper coil are connected in series。
As a kind of preferred version, under described, U-shaped magnetic core can be arranged with vertically moving up and down。
As a kind of preferred version, described U-shaped magnetic core can be arranged with vertically moving up and down。
As a kind of preferred version, under described, U-shaped magnetic core is soft magnetism or iron core material。
As a kind of preferred version, described U-shaped magnetic core is soft magnetism or iron core material。
As a kind of preferred version, described lower coil and upper coil are connected to high frequency electric source after being connected in series。
This utility model compared with prior art has clear advantage and beneficial effect, specifically, as shown from the above technical solution:
This utility model can realize multiple regional areas on big plate face and add thermal weld simultaneously, it is ensured that the effect stability of pre-determined bit, and energy is concentrated, power saving, and workpiece is consistent heat generation inside and outside, and bond effect is good, and adhesion is strong, and leakage field is few, reduces electromagnetic noise。
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, this utility model is described in detail。
Accompanying drawing explanation
Fig. 1 is the assembling schematic perspective view of the preferred embodiment of this utility model；
Fig. 2 is the use state schematic perspective view of the preferred embodiment of this utility model；
Fig. 3 is the use state sectional view of the preferred embodiment of this utility model。
Accompanying drawing identifier declaration:
10, U-shaped magnetic core the 11, first underarm under
12, the second underarm 13, lower connecting portion
20, upper U-shaped magnetic core the 21, first upper arm
22, the second upper arm 23, upper connecting portion
30, lower coil 40, upper coil
50, high frequency electric source 101, grasping part
60, workpiece。
Detailed description of the invention
Refer to shown in Fig. 1 to Fig. 3, that show the concrete structure of the preferred embodiment of this utility model, include down U-shaped magnetic core 10, upper U-shaped magnetic core 20, lower coil 30 and upper coil 40。
Under this, U-shaped magnetic core 10 includes the first underarm the 11, second underarm 12 and lower connecting portion 13, and this lower connecting portion 13 is one-body molded to be connected between the first underarm 11 and the second underarm 12；In the present embodiment, under described, U-shaped magnetic core 10 can be arranged with vertically moving up and down, and under described, U-shaped magnetic core 10 is soft magnetism or iron core material。
On this, U-shaped magnetic core 20 includes the first upper arm the 21, second upper arm 22 and upper connecting portion 23, on this, connecting portion 23 is one-body molded is connected between the first upper arm 21 and the second upper arm 22, first upper arm 21 and the first underarm 11 are opposite to each other, and first be formed with grasping part 101 between upper arm 21 and the first underarm 11, this second upper arm 22 and the second underarm 12 are opposite to each other, pass through in circular path with direct high-frequency magnetic field, it is to avoid leakage field occurs。In the present embodiment, described U-shaped magnetic core 20 can be arranged with vertically moving up and down, and described U-shaped magnetic core 20 is soft magnetism or iron core material。Can set between the first underarm 11 and the first upper arm 21
Put certain chucking power or pressure, it is achieved fuse bonding。
This lower coil 30 is wound on the first underarm 11, and on this, coil 40 is wound on the first upper arm 21, and lower coil 30 is connected in series with upper coil 40。Further, described lower coil 30 is connected to high frequency electric source 50 after being connected in series with upper coil 40。
The using method that the present embodiment is described in detail in detail is as follows:
During use, as shown in Figures 2 and 3, workpiece 60 is placed in grasping part 101, high frequency electric source 50 powers to the lower coil 30 of series connection with upper coil 40, produce high frequency magnetic field, workpiece 60 region that need to locally add thermal weld is the region that magnetic field intensity is concentrated, the copper sheet in different levels or iron plate material in workpiece 60 produce eddy current in high frequency magnetic field, eddy current is by the resistance heating of copper or iron material, each layer solder or melted material are melted, under pressure each layer workpiece or inner plating (circuit board) local bonding together, play the effect of pre-determined bit。
Design focal point of the present utility model is in that: this utility model can overlap use realization multiple regional areas on big plate face more and add thermal weld simultaneously, ensure the effect stability of pre-determined bit, and energy is concentrated, power saving, workpiece is consistent heat generation inside and outside, and bond effect is good, and adhesion is strong, leakage field is few, reduces electromagnetic noise。
The above, it it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every any trickle amendment, equivalent variations and modification above example made according to technical spirit of the present utility model, all still fall within the scope of technical solutions of the utility model。
Claims (6)
1. a novel local electromagnetic heater, it is characterised in that: include down U-shaped magnetic core, upper U-shaped magnetic core, lower coil and upper coil；Under this, U-shaped magnetic core includes the first underarm, the second underarm and lower connecting portion, and this lower connecting portion is one-body molded to be connected between the first underarm and the second underarm；On this, U-shaped magnetic core includes the first upper arm, the second upper arm and upper connecting portion, on this, connecting portion is one-body molded is connected between the first upper arm and the second upper arm, first upper arm and the first underarm are opposite to each other, and first be formed with grasping part between upper arm and the first underarm, this second upper arm and the second underarm are opposite to each other；This lower coil is wound on the first underarm, and on this, coil is wound on the first upper arm, and lower coil and upper coil are connected in series。
2. novel local electromagnetic heater according to claim 1, it is characterised in that: under described, U-shaped magnetic core can be arranged with vertically moving up and down。
3. novel local electromagnetic heater according to claim 1, it is characterised in that: described U-shaped magnetic core can be arranged with vertically moving up and down。
4. novel local electromagnetic heater according to claim 1, it is characterised in that: under described, U-shaped magnetic core is soft magnetism or iron core material。
5. novel local electromagnetic heater according to claim 1, it is characterised in that: described U-shaped magnetic core is soft magnetism or iron core material。
6. novel local electromagnetic heater according to claim 1, it is characterised in that: described lower coil and upper coil are connected to high frequency electric source after being connected in series。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062624.0U CN205336566U (en) | 2016-01-22 | 2016-01-22 | Novel local electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620062624.0U CN205336566U (en) | 2016-01-22 | 2016-01-22 | Novel local electromagnetic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336566U true CN205336566U (en) | 2016-06-22 |
Family
ID=56318348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620062624.0U Active CN205336566U (en) | 2016-01-22 | 2016-01-22 | Novel local electromagnetic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710523A (en) * | 2016-02-14 | 2016-06-29 | 汕头轻工机械厂有限公司 | Track type close-wound type electromagnetic inductor |
-
2016
- 2016-01-22 CN CN201620062624.0U patent/CN205336566U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710523A (en) * | 2016-02-14 | 2016-06-29 | 汕头轻工机械厂有限公司 | Track type close-wound type electromagnetic inductor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |