CN101364471B - Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method - Google Patents
Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method Download PDFInfo
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- CN101364471B CN101364471B CN2007100757153A CN200710075715A CN101364471B CN 101364471 B CN101364471 B CN 101364471B CN 2007100757153 A CN2007100757153 A CN 2007100757153A CN 200710075715 A CN200710075715 A CN 200710075715A CN 101364471 B CN101364471 B CN 101364471B
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Abstract
The invention relates to an operating transformer for hand-held medium- and high-frequency induction heating equipment, which comprises a casing (10), a cylindrical magnetic core (20) arranged inside the casing, a primary coil (30) wound on the circumferential wall of the magnetic core (20) along the axial direction, and a secondary coil (40) wound on the primary coil (30). The magnetic core (20) is made from an ultra-crystalline magnetic material; the primary coil (30) and the secondary coil (40) are both formed of copper tubes; a hollow power input connector (31) is arranged at each terminal stud of the primary coil (30); a hollow power output connector (41) is arranged at each terminal stud of the secondary coil (40); the inner ends of the two power input connectors (31) of the primary coil (30) respectively communicate with the inner ends of the two power output connectors (41) of the secondary coil (40) via two insulating rubber tubes (50, 51); and the turn number n1 of the primary coil (30)is higher than or equal to 12 and lower than or equal to 24, and the turn number n2 of the secondary coil (40) is higher than or equal to 1 and lower than or equal to 3. By using the operating transformer, the high frequency induction heating equipment can be equipped with operating cables with length over 50 meters.
Description
Technical field the present invention relates to the process equipment by electric field, magnetic field or electromagnetic field heating, particularly relates to the Working transformer and the manufacture method of hand-hold type medium-high frequency induction heating equipment.
Background technology intermediate frequency, superaudio, high-frequency induction heating power equipment have been widely used in the every field of national economy.Be used to supply water or the required medium-high frequency induction heating equipment of site operation such as steam line soldering, being limited by hand-held induction coil can not be too greatly, too heavy, and prior art uses silicon steel sheet as thin as a wafer or ferrite to do the still not nearly enough ideal of Working transformer performance of magnetic core, thereby it is little, in light weight to make a volume, can satisfy the hand-hold type induction heating transformer of manufacturing induction heating power power output coupling, so that described manual working transformer can be away from tens of meters distances of high-frequency heating power source at the welding scene together with induction coil.This requires extremely important.Also body heaviness of high-frequency heating power source itself in addition, inconvenience is moved, so people always wish from high-frequency heating power source to the handgrip line that connects the hand-held induction coil, allow that the longer the better.But things turn out contrary to one's wishes, and the Working transformer volume of prior art big stupid also be fit to can not be with people's work mobile working at any time.The Working transformer of making according to the process and the materials used of prior art is installed in the root of handing induction coil, also the handgrip line can only be extended to tens meters at most, since the Working transformer all too heaviness of making like this, and conversion loss is too big, and heating is serious.The site operation that is not suitable for multiple occasion for example supplies water, the on-the-spot soldering of steam line is installed and connected and the heating of extraordinary industrial production, and adaptive surface is wideless.
The summary of the invention the technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and the Working transformer and the manufacture method that propose the small and exquisite hand-hold type HF induction heating apparatus of a kind of volume, adopt Working transformer of the present invention to be installed in the root of hand-held induction coil, because the magnetic core of Working transformer is made with the ultracrystallite magnetic material, ultracrystallite iron has high saturated magnetic induction, lower iron loss and coercive force, thereby better soft magnet performance arranged, the copper pipe that can make winding around is few and voltage that bear is relatively high, can make the loss of induction heating equipment power output little, power supply output can be disposed the working cable of overlength, working cable can extend to 50 meters and still can make power supply that normal output is arranged, the on-the-spot induction heating such as the soldering that are fit to multiple occasion are constructed, especially remote site operation and the heating of extraordinary industrial production.This portable handheld work transformer also designs when the play button switch is more convenient for work because of the overlength of working cable and presses button, stops heating after can directly making induction heater work or pressing button.
The present invention solve the technical problem can be by realizing by the following technical solutions:
The Working transformer of design, a kind of hand-hold type HF induction heating apparatus of use comprises housing, is provided with the cylindrical shape magnetic core in the described housing, is wound with primary coil vertically on this magnetic core circle wall, is wound with secondary coil on this primary coil; Described magnetic core is made by the ultracrystallite magnetic material; Described primary coil and secondary coil are by the copper tube coiled, and these copper tube outsides all are wrapped with insulating barrier, negotiable recirculated cooling water in it; Described primary coil two terminal studs all are equipped with the power supply input adapter of hollow, and it is outer to connect the water-cooled cable of firing equipment that described housing rear end cap is stretched out in this two power supplys input adapter outer end; Two terminal studs of described secondary coil also are equipped with the power supply out splice going splice of hollow, and it is outer to connect load coil that described housing front end housing is stretched out in this two power supplys out splice going splice outer end; The inner of two power supply input adapters of described primary coil is thoroughly done away with the edge sebific duct by two and is communicated with two power supply out splice going splices of secondary coil are inner respectively, is used for the supply and the backflow of the recirculated cooling water of secondary coil; The scope of the number of turn n1 of described primary coil is: 12≤n1≤24, the scope of the number of turn n2 of described secondary coil is: 1≤n2≤3.
Working transformer as hand-hold type HF induction heating apparatus of the present invention further improves, described housing is provided with the control switch button, this shift knob is connected with the induction heating equipment control circuit by the control cable, construction as the time be used for starting or stop to heat.
Working transformer as hand-hold type HF induction heating apparatus of the present invention further improves, the n1 circle coil of described primary coil radially equably on described magnetic core, 14≤n1≤24; Each circle coil of described secondary coil be divided into two grades parts with respect to described core center axis symmetrically on primary coil; The output of described secondary coil, be provided with connector, this connector is square substantially, hollow in it, the n2 circle coil copper pipe of described secondary coil forms the secondary coil that makes in parallel with this connector welding respectively and only is equivalent to a circle coil, be 24: the 1 〉=n1 of turn ratio of described primary coil and secondary coil: n2=n1: 1 〉=14: 1, and guarantee cooling water can be in each circle coil copper pipe of secondary coil circulation; Described secondary coil two power supply out splice going splices all are welded on this connector.
The outer surface of described power supply input adapter and power supply out splice going splice all has external screw thread.
The present invention solve the technical problem can also be by realizing by the following technical solutions:
Propose a kind of manufacture method of hand-hold type HF induction heating apparatus Working transformer, comprise the steps:
A. make the column toroidal cavity container of dielectric, container top surface is opened wide;
B. will closely be wound into the banded as thin as a wafer ultracrystallite magnetic material of circular cylindrical body, and put into described toroidal cavity container, and cover the annular flake of dielectric, it is uncovered to encapsulate described container top surface, makes the Working transformer magnetic core of annular;
C. penetrate in the centre bore of described toroidal core with a copper tube, again a high-frequency induction coil is placed on this copper pipe, moment powers up, sprays water, bend the annealing position of this copper pipe, another the enclosing the land of this copper pipe one circle is wrapped on the described toroidal core, make the primary coil that the number of turn is n1, again at burn-on the respectively power supply input adapter of hollow of the two ends of described copper pipe, the joint that this power supply input adapter also is communicated with as the water route;
D. at described primary coil outer surface insulator spacer is set, perhaps twine layer insulation, twining the number of turn according to method same among the step C on described primary coil again is the secondary coil of n2, n2＜n1, again at the burn-on power supply out splice going splice of hollow of the output of this secondary coil, the joint that this power supply out splice going splice also is communicated with as the water route;
E. thoroughly do away with the edge sebific duct with two and be communicated with described power supply input adapter and power supply out splice going splice respectively, be used for the supply and the backflow of the recirculated cooling water of secondary coil;
The cylindrical shape magnetic core that F. will wind primary coil and secondary coil after above-mentioned steps is packed in the ready made insulative tubular housing, seal with end cap at two, and make the power supply input adapter outer end of primary coil stretch out that described housing rear end cap is outer, stretch out outside the described housing front end housing power supply out splice going splice outer end of secondary coil.
Further improvement as the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus of the present invention, also comprise step G: on described housing, be provided with the control switch button, and this shift knob is electrically connected with the induction heating equipment control circuit by the control cable.
As the further improvement of the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus of the present invention, during method coiling primary coil in C set by step, with each circle coil of primary coil radially equably on described magnetic core; In described step D, with each circle coil of described secondary coil be divided into part such as two grades with respect to described core center axis symmetrically on primary coil.
As further improving again of the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus of the present invention, among the described step D, before source of welding current out splice going splice, this head of output at secondary coil, be welded with substantially be square, hollow connecting member, each circle coil copper pipe of described secondary coil forms in parallel with this connector welding respectively, secondary coil only is equivalent to a circle coil in fact like this, be n1:n2=n1:1, and guarantee cooling water can be in each circle coil copper pipe of secondary coil circulation; Described secondary coil two power supply out splice going splices are welded on this connector.
The Main Ingredients and Appearance of described ultracrystallite magnetic material thin slice is: iron, copper, silver, silicon and boron, thickness are the 8-10 micron, and width is less than or equal to 40 millimeters; One side thickness that the ultracrystallite magnetic material that is rolled into by ultracrystallite magnetic material thin slice is rolled into the cylinder cylinder is the 8-30 millimeter, and the length two ends of described magnetic core are at least 35 millimeters after cutting edge.
Compare with prior art, the Working transformer of hand-hold type HF induction heating apparatus of the present invention and the technique effect of manufacture method are: 1. the magnetic core of Working transformer adopts the ultracrystallite magnetic material to make, the resistivity height ratio crystal alloy of ultracrystallite magnetic material or the high 3-4 of Ferrite Material have been made full use of doubly, the characteristic that loss is low, the ultracrystallite magnetic material has high Δ B in addition, the high impulse magnetic permeability, Working transformer by working cable with after induction heating equipment is connected, the loss of power supply output on working cable reduces greatly, therefore can make working cable length extend to 50 meters even longer significantly, making the little I of volume of Working transformer reach overall diameter on the other hand is 60 millimeters, length is 200 millimeters, the weight that weight is the lightest can reach 1.5 kilograms, makes Working transformer can be suitable for various occasions induction heating such as soldering site operation etc. especially at a distance like this; 2. because the ultracrystallite magnetic material is more crisp, frangibility adopts the mode of reeling when making magnetic core, solve the difficult problem of ultracrystallite magnetic material frangibility dexterously; 3. primary coil and secondary coil are made by copper pipe, can the circulation cycle cooling water in it, need not establish cooling water pipe in addition, and passing through synchronously of electric current when having guaranteed induction heating and water-cooled improves the operating efficiency of induction heating power; 3. make copper pipe increase hardness because copper pipe is easy to generate stress in coiling, bring difficulty to coiling.In the present invention's the method, adopt high-frequency induction coil to be enclosed within on the described coiling copper pipe, carry out heating for multiple times annealing, thereby can twine smoothly tens circles or more multiturn that copper pipe fracture does not take place is difficult around phenomenon, and one or more snippets copper pipe behind heating anneal puts insulating material, and the coiling of primary coil and secondary coil can successfully be finished.
Description of drawings
Fig. 1 is the perspective exploded view of the Working transformer of hand-hold type HF induction heating apparatus of the present invention;
Fig. 2 is the three-dimensional appearance schematic diagram of described Working transformer;
Fig. 3 comprises Fig. 3 A and Fig. 3 B, and wherein Fig. 3 A is the left view of described Working transformer, Fig. 3 B be among Fig. 3 A A-A to cross-sectional schematic;
Fig. 4 comprises Fig. 4 A and Fig. 4 B, and wherein Fig. 4 A is the front view of described Working transformer, Fig. 4 B be among Fig. 4 A B-B to cross-sectional schematic;
Fig. 5 is the perspective view of described Working transformer primary coil 30, comprises Fig. 5 A and Fig. 5 B that see from two different directions;
Fig. 6 is the perspective view of described Working transformer secondary coil 40;
Perspective view after Fig. 7 is the primary coil 30 of described Working transformer and secondary coil 40 on the magnetic core 20 comprises Fig. 7 A and Fig. 7 B that see from two different directions;
Fig. 8 is the water route circulation stereo schematic diagram of interior primary coil 30 of described Working transformer and secondary coil 40;
Fig. 9 is the water route circulation equivalent schematic of interior primary coil 30 of described Working transformer and secondary coil 40.
Embodiment is described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
The Working transformer of hand-hold type HF induction heating apparatus of the present invention, as shown in Figures 1 to 4, comprise housing 10, be provided with cylindrical shape magnetic core 20 in the described housing 10, be wound with primary coil 30 vertically on these magnetic core 20 circle wall, be wound with secondary coil 40 on this primary coil 30; Described magnetic core 20 is made by the ultracrystallite magnetic material; Described primary coil 30 and secondary coil 40 are made by copper tube, and these copper tubes outsides all are wrapped with insulating barrier, negotiable recirculated cooling water in it; 30 liang of terminal studs of described primary coil all are equipped with the power supply input adapter 31 of hollow, and it is outer to connect the water cooling tube and the cables of firing equipment that described housing 10 rear end caps 11 are stretched out in these two power supplys input adapter, 31 outer ends; Two terminal studs of described secondary coil 40 also are equipped with the power supply out splice going splice 41 of hollow, and it is outer to connect load coil that described housing 10 front end housings 12 are stretched out in these two power supplys out splice going splice, 41 outer ends; The inner of two power supply input adapters 31 of described primary coil 30 is thoroughly done away with edge sebific duct 50,51 by two and is communicated with two power supply out splice going splices, 41 the inners of secondary coil 40 respectively, is used for the supply and the backflow of the recirculated cooling water of secondary coil 40 and primary coil 30; The scope of the number of turn n1 of described primary coil 30 is: 12≤n1≤24, the scope of the number of turn n2 of described secondary coil 40 is: 1≤n2≤3.
In the Working transformer of hand-hold type medium-high frequency induction heating equipment of the present invention, because magnetic core 20 adopts the ultracrystallite magnetic material to make, power output than the existing Working transformer that uses is much bigger, therefore induction heating equipment being disposed is as long as fifty meters even longer working cable, for easy to operate, described housing 10 is provided with control switch button 18, and this shift knob 18 is electrically connected with the induction heating power control circuit by control cable 19.Being convenient to like this when described Working transformer and induction heating power distance is far away, directly can be output of may command power supply or powered-down on Working transformer.
As shown in Figure 7, the n1 circle coil of described primary coil 30 radially equably on described magnetic core 20, n1 〉=14; Each circle coil of described secondary coil 40 be divided into two grades parts with respect to described magnetic core 20 central axis symmetrically on primary coil 30; The output of described secondary coil 40, be provided with connector 42, this connector 42 is square substantially, hollow in it, the n2 circle coil copper pipe of described secondary coil 40 forms 40 of the secondary coils that make in parallel with these connector 42 welding respectively and is equivalent to a circle coil, be described primary coil 30 and the turn ratio n1:n2=n1:1 〉=14:1 of secondary coil 40, and guarantee cooling water can be in secondary coil 40 each circle coil copper pipe circulation; 40 liang of power supply out splice going splices 41 of described secondary coil all are welded on this connector 42.Drawn among the figure, described primary coil 30 has 20 circle coils, it is formed by a copper pipe coiling, described secondary coil 40 is by the independently copper pipe coiling of 4-6 root, after this 4-6 root copper pipe difference doubling coiling, (divide on this connector 42 has mutually insulated just to their output with connector 42 welding respectively, negative orifice plate, two terminations of each root copper pipe respectively with just, negative orifice plate welding also is unified into a circle, 40 liang of power supply out splice going splices 41 of described secondary coil are more respectively with just described, negative orifice plate welding), the coil that makes secondary coil 40 be divided into both sides like this can connect in transition, and makes the coiling of secondary coil 40 become easy.
Among the present invention, the outer surface of described power supply input adapter 31 and power supply out splice going splice 41 all has external screw thread, and they all are locked by nut 60 after stretching out housing 10 respectively, and convenient and working cable cooling water pipe or induction coil removably connect.
The manufacture method of the Working transformer of hand-hold type HF induction heating apparatus of the present invention comprises the steps:
A. make the column toroidal cavity container of dielectric, container top surface is opened wide;
B. will closely be wound into the banded as thin as a wafer ultracrystallite magnetic material of circular cylindrical body, and put into described toroidal cavity container, and cover the annular flake of dielectric, it is uncovered to encapsulate described container top surface, makes the Working transformer magnetic core 20 of annular;
C. penetrate in the centre bore of described toroidal core 20 with a copper tube, another the enclosing the land of this copper pipe one circle is wrapped on the described toroidal core 20, making the number of turn is the primary coil 30 of n1, makes copper pipe increase hardness because copper pipe is easy to generate stress in coiling, brings difficulty to coiling.Again at burn-on the respectively power supply input adapter 31 of hollow of the two ends of described copper pipe, the joint that this power supply input adapter 31 also is communicated with as the water route;
D. at described primary coil 30 outer surfaces insulator spacer is set, perhaps twine layer insulation, twining the number of turn according to method same among the step C on described primary coil 30 again is the secondary coil 40 of n2, n2＜n1, again at the burn-on power supply out splice going splice 41 of hollow of the output of this secondary coil, the joint that this power supply out splice going splice 41 also is communicated with as the water route;
E. thoroughly do away with edge sebific duct 50,51 with two and be communicated with described power supply input adapter 31 and power supply out splice going splice 41 respectively, be used for the supply and the backflow of the recirculated cooling water of secondary coil 40 and primary coil 30;
The cylindrical shape magnetic core 20 that F. will wind primary coil 30 and secondary coil 40 after above-mentioned steps is packed in the ready made insulative tubular housing 10, seal with end cap at two, and make power supply input adapter 31 outer ends of primary coil 30 stretch out described housing 10 rear end caps 11 power supply out splice going splice 41 outer ends outer, secondary coil 40 to stretch out outside described housing 10 front end housings 12.
For the ease of when described Working transformer and induction heating power distance is far away, directly can on Working transformer the output of may command power supply, manufacture method of the present invention also comprises step G: be provided with control switch button 18 on described housing 10, and this shift knob 18 is electrically connected with the induction heating power control circuit by control cable 19.
During method coiling primary coil 30 in C set by step, with each circle coil of primary coil 30 radially equably on described magnetic core 20; In described step D, with each circle coil of described secondary coil 40 be divided into part such as two grades with respect to described magnetic core 20 central axis symmetrically on primary coil 30.Among the described step D, before source of welding current out splice going splice 41, this head of output at secondary coil 40, be welded with substantially be square, hollow connecting member 42, described secondary coil 40 each circle coil copper pipe form in parallel with these connector 42 welding respectively, secondary coil 40 only is equivalent to a circle coil in fact like this, i.e. n1:n2=n1:1, and guarantee cooling water can be in secondary coil 40 each circle coil copper pipe circulation; 40 liang of power supply out splice going splices 41 of described secondary coil are welded on this connector 42.Drawn among the figure, described primary coil 30 has 20 circle coils, it is formed by a copper pipe coiling, described secondary coil 40 is by the independently copper pipe coiling of 4-6 root, after this 4-6 root copper pipe difference doubling coiling, (divide on this connector 42 has mutually insulated just to their output with connector 42 welding respectively, negative orifice plate, two terminations of each root copper pipe respectively with just, negative orifice plate welding, 40 liang of power supply out splice going splices 41 of described secondary coil are more respectively with just described, negative orifice plate welding), the coil that makes secondary coil 40 be divided into both sides like this can connect in transition, and makes the coiling of secondary coil 40 become easy.
Among the present invention, the Main Ingredients and Appearance of described ultracrystallite magnetic material thin slice is: iron, copper, silver, silicon and boron, thickness are the 8-10 micron, and width is more than or equal to 35 millimeters; The ultracrystallite magnetic material reel thickness that is rolled into by ultracrystallite magnetic material thin slice is the 10-20 millimeter, and the length of described magnetic core 20 is at least 35 millimeters.
Fig. 8 and Fig. 9 illustrate the primary coil 30 of Working transformer of hand-hold type HF induction heating apparatus of the present invention and the cooling water channel circulation road direction in the secondary coil 40, and arrow points is the water route circulating direction among the figure, and 90 are meant load coil among the figure.
In the Working transformer and manufacture method of hand-hold type medium-high frequency induction heating equipment of the present invention, the number of turn n1 of described primary coil 30 can select arbitrarily to be provided with in 12 circle to 24 circles according to the output needs, described secondary coil 40 can turn to a circle in parallel as described above, also can go here and there back and form 2 circles and 3 circles earlier, the turn ratio of described primary coil 30 and secondary coil 40 also can be determined to be provided with as required, just gives unnecessary details no longer one by one herein.
Claims (9)
1. the Working transformer of a hand-hold type HF induction heating apparatus, comprise housing (10), it is characterized in that: be provided with cylindrical shape magnetic core (20) in the described housing (10), be wound with primary coil (30) vertically on this magnetic core (20) circle wall, be wound with secondary coil (40) on this primary coil (30); Described magnetic core (20) is made by the ultracrystallite magnetic material; Described primary coil (30) and secondary coil (40) are made by copper tube, and these copper tube outsides all are wrapped with insulating barrier, negotiable recirculated cooling water in it; Described primary coil (30) two terminal studs all are equipped with the power supply input adapter (31) of hollow, and it is outer to connect the water-cooled cable of firing equipment that described housing (10) rear end cap (11) is stretched out in this two power supplys input adapter (31) outer end; Two terminal studs of described secondary coil (40) also are equipped with the power supply out splice going splice (41) of hollow, and it is outer to connect load coil that described housing (10) front end housing (12) is stretched out in this two power supplys out splice going splice (41) outer end; The inner of two power supply input adapters (31) of described primary coil (30) is thoroughly done away with edge sebific duct (50,51) by two and is communicated with two power supply out splice going splices (41) of secondary coil (40) are inner respectively, is used for the supply and the backflow of the recirculated cooling water of secondary coil (40); The scope of the number of turn n1 of described primary coil (30) is: 12≤n1≤24, the scope of the number of turn n2 of described secondary coil (40) is: 1≤n2≤3.
2. the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 1, it is characterized in that: described housing (10) is provided with control switch button (18), and this shift knob (18) is connected with the induction heating power control circuit by control cable (19).
3. the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 1 or 2 is characterized in that: the n1 circle coil of described primary coil (30) radially equably on described magnetic core (20), 14≤n1≤24; Each circle coil of described secondary coil (40) be divided into two grades parts with respect to described magnetic core (20) central axis symmetrically on primary coil (30); The output of described secondary coil (40), be provided with connector (42), this connector (42) is square substantially, hollow in it, the n2 circle coil copper pipe of described secondary coil (40) forms the secondary coil (40) that makes in parallel with this connector (42) welding respectively and only is equivalent to a circle coil, be described primary coil (30) and 24: the 1 〉=n1 of turn ratio of secondary coil (40): n2=n1: 1 〉=14: 1, and guarantee cooling water can be in each circle coil copper pipe of secondary coil (40) circulation; Described secondary coil (40) two power supply out splice going splices (41) all are welded on this connector (42).
4. the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 3 is characterized in that: the outer surface of described power supply input adapter (31) and power supply out splice going splice (41) all has external screw thread.
5. the manufacture method of the Working transformer of a hand-hold type HF induction heating apparatus is characterized in that, comprises the steps:
A. make the column toroidal cavity container of dielectric, container top surface is opened wide;
B. will closely be wound into the banded as thin as a wafer ultracrystallite magnetic material of circular cylindrical body, and put into described toroidal cavity container, and cover the annular flake of dielectric, it is uncovered to encapsulate described container top surface, makes the Working transformer magnetic core (20) of annular;
C. penetrate in the centre bore of described toroidal core (20) with a long copper tube, another the enclosing the land of this copper pipe one circle is wrapped on the described toroidal core (20), make the primary coil that the number of turn is n1 (30), again at burn-on the respectively power supply input adapter (31) of hollow of the two ends of described copper pipe, the joint that this power supply input adapter (31) also is communicated with as the water route;
D. at described primary coil (30) outer surface insulator spacer is set, perhaps twine layer insulation, going up the winding number of turn according to method same among the step C at described primary coil (30) again is the secondary coil (40) of n2, n2＜n1, again at the burn-on power supply out splice going splice (41) of hollow of the output of this secondary coil, the joint that this power supply out splice going splice (41) also is communicated with as the water route;
E. thoroughly do away with edge sebific duct (50,51) with two and be communicated with described power supply input adapter (31) and power supply out splice going splice (41) respectively, be used for the supply and the backflow of the recirculated cooling water of secondary coil (40);
The cylindrical shape magnetic core (20) that F. will wind primary coil (30) and secondary coil (40) after above-mentioned steps is packed in the ready made insulation T shape housing (10), seal with end cap at two, and make power supply input adapter (31) outer end of primary coil (30) stretch out that described housing (10) rear end cap (11) is outer, stretch out outside described housing (10) front end housing (12) power supply out splice going splice (41) outer end of secondary coil (40).
6. the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 5, it is characterized in that: also comprise step G: on described housing (10), be provided with control switch button (18), and this shift knob (18) is electrically connected with the induction heating equipment control circuit by control cable (19).
7. as the manufacture method of the Working transformer of claim 5 or 6 described hand-hold type HF induction heating apparatus, it is characterized in that: during method coiling primary coil (30) in C set by step, with each circle coil of primary coil (30) radially equably on described magnetic core (20); In described step D, with each circle coil of described secondary coil (40) be divided into part such as two grades with respect to described magnetic core (20) central axis symmetrically on primary coil (30).
8. the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 7, it is characterized in that: among the described step D, at source of welding current out splice going splice (41) before, this head of output at secondary coil (40), be welded with substantially and be square, hollow connecting member (42), each circle coil copper pipe of described secondary coil (40) forms in parallel with this connector (42) welding respectively, secondary coil (40) only is equivalent to a circle coil in fact like this, be n1:n2=n1:1, and guarantee cooling water can be in each circle coil copper pipe of secondary coil (40) circulation; Described secondary coil (40) two power supply out splice going splices (41) are welded on this connector (42).
9. the manufacture method of the Working transformer of hand-hold type HF induction heating apparatus as claimed in claim 5, it is characterized in that: the Main Ingredients and Appearance of described ultracrystallite magnetic material thin slice is: iron, copper, niobium, silicon and boron, thickness is the 8-10 micron, and width is less than or equal to 35 millimeters; The thickness of the ultracrystallite magnetic material reel that is rolled into by ultracrystallite magnetic material thin slice is the 10-20 millimeter, and the length of described magnetic core (20) is at least 35 millimeters.
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| CN2007100757153A CN101364471B (en) | 2007-08-08 | 2007-08-08 | Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
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| CN2007100757153A CN101364471B (en) | 2007-08-08 | 2007-08-08 | Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
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| CN101364471B true CN101364471B (en) | 2011-06-08 |
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| US20140104912A1 (en) * | 2011-06-08 | 2014-04-17 | Shenzhen Hongbai Technology Industrail Co., Ltd | Water cooling sub-high frequency transformer and cooling device thereof |
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| CN103035333B (en) * | 2012-12-31 | 2015-03-11 | 山东彼岸电力科技有限公司 | Water-cooled cable for intermediate-frequency induction heating power supply |
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| CN2465290Y (en) * | 2001-02-16 | 2001-12-12 | 虞大力 | High-efficient high and intermediate frequency transformer |
| CN1893742A (en) * | 2005-09-26 | 2007-01-10 | 深圳市宝安联华实业有限公司 | Open-mouth type induction-ring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2465290Y (en) * | 2001-02-16 | 2001-12-12 | 虞大力 | High-efficient high and intermediate frequency transformer |
| CN1893742A (en) * | 2005-09-26 | 2007-01-10 | 深圳市宝安联华实业有限公司 | Open-mouth type induction-ring device |
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| CN101364471A (en) | 2009-02-11 |
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