CN213403567U - Movable induction heating device without changing capacitance - Google Patents
Movable induction heating device without changing capacitance Download PDFInfo
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- CN213403567U CN213403567U CN202022181137.5U CN202022181137U CN213403567U CN 213403567 U CN213403567 U CN 213403567U CN 202022181137 U CN202022181137 U CN 202022181137U CN 213403567 U CN213403567 U CN 213403567U
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Abstract
A movable induction heating device without changing capacitance belongs to the technical field of induction heating. The induction heating coil comprises an induction heating coil body, two copper electrode connecting plates and insulating pieces, wherein the two copper electrode connecting plates are symmetrically arranged at intervals, the whole induction heating coil body is of a frame structure, the two copper electrode connecting plates are respectively connected with the water inlet end and the water outlet end of two cooling water of the induction heating coil body, the insulating pieces are respectively arranged at the positions with intervals on the two sides of the frame structure, and adjacent coils of the induction heating coil body are arranged at intervals of variable turns. The utility model discloses a change induction heating coil structure, guarantee effective power output, make it reach the heating effect that lower extreme temperature is a little higher than other position temperatures. The insulating piece is arranged on the copper electrode connecting plate, so that the induction heating coil is convenient to move away when heating is finished, and the problem that an object needs to be heated by in-situ induction heating is solved.
Description
Technical Field
The utility model belongs to the technical field of induction heating, especially, relate to a portable induction heating device who does not change electric capacity.
Background
When heating, the magnetic field intensity generated by the upper end and the lower end of the induction coil is smaller than the magnetic field intensity of the central position, so that the temperature difference between the upper end and the lower end of the heated object is larger. The object to be heated is generally placed on an insulating and heat-resistant material and placed in the middle of the induction heating coil to be heated. The hot extrusion needs to be carried out within a specified temperature range, and the lower end temperature is high, so that the extrusion burst force is reduced. In order to realize high heating temperature at the lower end, if a heating mode of prolonging the heating time is adopted, the heated object is seriously oxidized and does not meet the heating requirement; if the capacitance is reduced, the output power is reduced, the object to be heated cannot be heated quickly, and the object to be heated is oxidized seriously due to long heating time. Further, when the object to be heated needs to be placed on the metal extrusion die for heating in the induction heating, the object to be heated is heated by heat radiation and convection, and the object to be heated is heated unevenly on the surface thereof by heat conduction with the metal extrusion die.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model provides a do not change portable induction heating device of electric capacity, it makes it reach the heating effect that lower extreme temperature is a little higher than other position temperatures through the structure that changes induction heating coil.
The purpose of the utility model is realized through the following technical scheme:
the utility model relates to a portable induction heating device that does not change electric capacity, including induction heating coil, two copper electrode connecting plates and insulating part, two copper electrode connecting plate symmetry intervals set up, wholly are frame type structure, connect induction heating coil's cooling water respectively into water, go out the water end, have the spaced position on frame type both sides limit and be provided with the insulating part respectively, induction heating coil's adjacent coil is the space setting of becoming circle.
Preferably, the height H of the induction heating coil is (10% -20%) H, H is the height of the blank to be heated, the upper end and the lower end of the induction heating coil are both 2-3 turns of coils, and the rest is the number of intermediate turns; induction coilUpper end turn spacing S1：
Intermediate part turn spacing S0：
Lower end turn spacing S2：
Wherein: b is the single coil height.
Preferably, the induction coil is uniformly provided with insulation columns for limiting coil turn intervals at intervals along the circumference, and each coil is connected with the insulation columns through copper bolts.
The utility model has the advantages that:
1. adopt the technical scheme of the utility model, can be fast, the even heating, reduce the heated object oxidation, reduce the cooling of heated object.
2. The utility model discloses a change induction heating coil structure, guarantee effective power output, make it reach the heating effect that lower extreme temperature is a little higher than other position temperatures.
3. The utility model discloses a set up the insulating part on the copper electrode connecting plate, when the heating is finished, conveniently remove induction heating coil, solved the problem that the heating object needs normal position induction heating.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
In the figure: 1 is an insulating part; 2 is a copper electrode connecting plate; 3, cooling the water inlet end and the water outlet end of the water; 4 is a coil; 5 is a water-cooled cable electrode mounting hole; 6 is a copper bolt, and 7 is an insulating column.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1: as shown in fig. 1 and 2, the utility model relates to a do not change portable induction heating device of electric capacity, including induction heating coil 4, two copper electrode connecting plates 2 and insulating part 1, two copper electrode connecting plates 2 symmetry intervals set up, wholly are frame type structure, connect induction heating coil 4's cooling water respectively intake, go out water end 3, have the spaced location at frame type both sides limit and be provided with insulating part 1 respectively, induction heating coil 4's adjacent coil is the setting of change circle interval.
The induction heating coil 4 is provided with insulation columns 7 for limiting coil turn intervals at uniform intervals along the circumference, and each coil is connected with the insulation columns 7 through copper bolts 6, so that the turn intervals are not changed during induction heating.
As shown in fig. 1, the height H of the induction heating coil 4 is (10% -20%) H, H is the height of the blank to be heated, the upper end and the lower end are both 2-3 turns of coil, the height is H1 and H2, the rest are intermediate turns, and the height is H0; upper end turn spacing S of induction coil1：
Intermediate part turn spacing S0：
Lower end turn spacing S2：
Wherein: b is the single coil height. In this example, the height H of the billet to be heated is 200mm, the height H of the induction heating coil 4 is 240mm, and the height b of the single coil is 16 mm. The upper end and the lower end are both 3 turns of coils, and the turn-to-turn distance S of the upper end15.3 mm; lower end turn spacing S23.2 mm; the middle part is a 4-turn coil with a turn-to-turn spacing S0＝10.3mm。
In the embodiment, the copper electrode connecting plate 2 is welded with two ends of the induction heating coil 4, is used as an electrode of the induction heating coil 4 and is connected with a water-cooling cable; in addition, copper electrode connecting plate 2 is connected with insulator 1, through insulator 1 and other two equipment, insulator 1 is two cuboid insulated wood, has insulating and fixed effect, not only can solve insulating connection problem, can realize induction heating coil 4's removal moreover.
Due to the influence of the circular ring effect, in order to improve the electric efficiency of the induction coil, reduce the loss of the induction coil and reduce the number of the coils, the induction heating coil adopts a square copper pipe, so that the resistance of the induction coil is reduced, and the electric efficiency of the induction coil is improved.
The heating effect of the coil parameters set according to the embodiment is compared with the heating effect of the conventional equal-turn interval, and the heating effect of the equal-turn interval is obtained; the upper temperature is 1039 ℃, the middle portion is 1027 ℃, and the lower portion is 754 ℃. The maximum temperature difference is 284 ℃, the lower part temperature is lower than the other part temperature, and the temperature difference is large. The heating effect of the variable turn pitch of the embodiment is as follows: the upper temperature was 1092 ℃, the middle 1035 ℃ and the lower 1010 ℃. The maximum temperature difference is 75 ℃, and the temperature of the lower part is slightly higher than that of the other parts.
Example 2: the difference between this example and example 1 is: in this example, the height H of the billet to be heated is 200mm, the height H of the induction heating coil 4 is 240, the height b of the single coil is 16mm, the upper end and the lower end are both 3 turns of coils, and the turn pitch S of the upper end is1：S 14 mm; lower end turn spacing S2：S24.5 mm; the middle part is a 4-turn coil with a turn-to-turn spacing S0：S0＝11.2mm。
The heating effect in this example was 1153 ℃ for the upper part, 1044 ℃ for the middle part and 1070 ℃ for the lower part. The maximum temperature difference is 109 ℃, and the lower temperature is lower than the upper temperature and higher than the middle temperature.
Example 3: the difference between this example and example 1 is: in this example, the height H of the billet to be heated is 200mm, the height H of the induction heating coil 4 is 240, the height b of the single coil is 16mm, the upper end and the lower end are both 3 turns of coils, and the turn pitch S of the upper end is1：S15 mm; lower end turn spacing S2：S25.3 mm; the middle part is a 4-turn coil with a turn-to-turn spacing S0：S0＝10.4mm。
The heating effect in this example was 1134 ℃ at the upper part, 1043 ℃ in the middle part and 1068 ℃ in the lower part. The maximum temperature difference is 91 ℃, and the lower part temperature is lower than the upper part temperature and lower than the middle part temperature.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (3)
1. A mobile induction heating device without changing capacitance is characterized in that: the induction heating coil comprises an induction heating coil, two copper electrode connecting plates and insulating pieces, wherein the two copper electrode connecting plates are symmetrically arranged at intervals, are integrally in a frame structure and are respectively connected with the water inlet end and the water outlet end of cooling water of the induction heating coil, the insulating pieces are respectively arranged at the positions with intervals on two side edges of the frame, and adjacent coils of the induction heating coil are arranged at intervals of variable turns.
2. The mobile induction heating apparatus without changing capacitance of claim 1, wherein: the height H of the induction heating coil is (10% -20%) H, H is the height of the blank to be heated, the upper end and the lower end of the induction heating coil are both 2-3 turns of coils, and the rest are intermediate turns; upper end turn spacing S of induction coil1：
Intermediate part turn spacing S0：
Lower end turn spacing S2：
Wherein: b is the single coil height.
3. The mobile induction heating apparatus without changing capacitance of claim 2, wherein: the induction coils are uniformly provided with insulating columns for limiting coil turn intervals at intervals along the circumference, and each coil is connected with the insulating columns through copper bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181137.5U CN213403567U (en) | 2020-09-29 | 2020-09-29 | Movable induction heating device without changing capacitance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181137.5U CN213403567U (en) | 2020-09-29 | 2020-09-29 | Movable induction heating device without changing capacitance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213403567U true CN213403567U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022181137.5U Active CN213403567U (en) | 2020-09-29 | 2020-09-29 | Movable induction heating device without changing capacitance |
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| Country | Link |
|---|---|
| CN (1) | CN213403567U (en) |
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- 2020-09-29 CN CN202022181137.5U patent/CN213403567U/en active Active
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