CN101847499B - Handheld coaxial forced water cooling intermediate-frequency transformer and manufacturing method thereof - Google Patents
Handheld coaxial forced water cooling intermediate-frequency transformer and manufacturing method thereof Download PDFInfo
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- CN101847499B CN101847499B CN2010101877991A CN201010187799A CN101847499B CN 101847499 B CN101847499 B CN 101847499B CN 2010101877991 A CN2010101877991 A CN 2010101877991A CN 201010187799 A CN201010187799 A CN 201010187799A CN 101847499 B CN101847499 B CN 101847499B
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Abstract
The invention discloses heating equipment of electric fields, magnetic fields or electromagnetic fields and a manufacturing method thereof, in particular relating to a handheld coaxial forced water cooling intermediate-frequency transformer and a manufacturing method thereof. The intermediate-frequency transformer is characterized by comprising a copper bush, a magnetic core, a central pipe and induction coils, wherein, the magnetic core is in a hollow cylinder shape, is made of soft magnetic alloy materials, is positioned in copper bush, and is axially wound by primary coils made of surface-insulated cables; the central pipe is a pipe body which passes through the magnetic core hollow part and the pipe wall thereof is provided with through holes; one end of the central pipe is closed, and the other end thereof is opened and is connected with the copper bush; a right induction coil, the copper bush, the central pipe and a left induction coil are connected in sequence to form a secondary coil coupled with the primary coil; the clearances in the cooper bush and the central pipe interior form a cooling water circulation channel; and the left induction coil and the right induction coil form another cooling water circulation channel. The invention has the following beneficial effects of greatly improving work efficiency of transformers and decreasing the volume of transformers.
Description
Technical field
The present invention relates to a kind of equipment that passes through electric field, magnetic field or electromagnetic field heating and preparation method thereof, particularly handheld coaxial forced water cooling intermediate frequency transformer and preparation method thereof.
Background technology
At present, intermediate frequency, superaudio, high-frequency induction heating power equipment have been widely used in the every field of national economy.But it is present, have the following disadvantages: 1. prior art uses steel disc 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; 2. heating in medium frequency power-supply device itself is relatively heavier, inconvenience is moved, people wish to prolong the heating in medium frequency power-supply device to the handgrip line that connects between the hand-held induction coil, but the Working transformer that the process of prior art and materials used are made is installed in the root of hand-held induction coil, also the handgrip line can only be extended to tens meters at most, heating is serious, is not suitable for the site operation of multiple occasion, for example water supply, the on-the-spot soldering of steam line are installed and are connected and extraordinary industrial sound field heating, and adaptive surface is wideless; 3. the method that at present general secondary coil adopts coil to twine can produce certain magnetic dispersion, and the magnetic utilance is low; 4. the cooling means that existing technology adopts mostly is, and cooling effect is poor, and cost is than higher.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of magnetic utilance height, good water-cooling effect, little, the lightweight handheld coaxial forced water cooling intermediate frequency transformer of volume and preparation method thereof.
The present invention is achieved by the following measures:
A kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention comprises copper sheathing, also comprises:
Magnetic core is the annular that magnetically soft alloy material is made, and is positioned at copper sheathing and axially is tied with the primary coil that the lead of surface insulation is made;
Central tube is for passing the copper pipe body that magnetic core hollow parts and tube wall are provided with through hole, the sealing of one end, other end opening; With
Induction coil is become by the copper pipe system, and its right-hand member is connected the copper sheathing end and is provided with the induction coil water inlet, and left end is connected the central tube blind end and is provided with the induction coil water return outlet; Described induction coil water inlet, induction coil copper pipe body and induction coil water return outlet are connected;
Described copper sheathing connects the port closed of induction coil, and the other end is connected with end cap, and inductive head water inlet and central through hole are set on the described end cap, and the central tube openend is connected with end cap after passing central through hole as the inductive head water return outlet;
Central tube only openend conducts by end cap and copper sheathing respective end, and the blind end of central tube and induction coil left end all insulate with copper sheathing and induction coil right-hand member in junction, copper sheathing end;
Described induction coil, copper sheathing and central tube connect to form the single turn secondary coil with the primary coil coupling successively; Form a cooling water circulation canal in copper sheathing internal clearance and the central tube; Form another cooling water circulation canal in the induction coil.
Handheld coaxial forced water cooling intermediate frequency transformer of the present invention, described magnetic core are the 1J22 magnetically soft alloy material.
Handheld coaxial forced water cooling intermediate frequency transformer of the present invention, the number of turn of described primary coil are n, and wherein the scope of n is 10≤n≤40.
Handheld coaxial forced water cooling intermediate frequency transformer of the present invention is connected with left induction coil base on half end face of described central tube blind end, the induction coil water return outlet is arranged on the left induction coil base; Be connected with right induction coil base on half port of copper sheathing one end, the induction coil water inlet is arranged on the right induction coil base; The induction coil left end is provided with left induction coil contiguous block and is connected on the left induction coil base, the induction coil right-hand member is provided with right induction coil contiguous block and is connected on the right induction coil base, described left induction coil base and the common shutoff of right induction coil base are provided with L shaped insulation cushion in the port of copper sheathing between left induction coil base and copper sheathing and the right induction coil base.
Handheld coaxial forced water cooling intermediate frequency transformer of the present invention is provided with sealing gasket between central tube and the copper sheathing.
Handheld coaxial forced water cooling intermediate frequency transformer of the present invention, described copper sheathing are provided with power adjustments potentiometer and transformer start stop switch.
The manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention may further comprise the steps:
A. make the right induction coil base of cylindrical shape copper sheathing and band induction coil water inlet butt hole, welding and the induction coil induction coil water inlet that butt hole is connected of intaking on the right induction coil base is welded on right induction coil base half port of copper sheathing one end;
B. make an end and seal the central tube of an end opening and the left induction coil base of band induction coil water outlet butt hole, left side induction coil base is welded on half end of central tube blind end, and the induction coil water return outlet central tube that welding is connected with induction coil water outlet butt hole on the left induction coil base is getting out through hole near on the tube wall of blind end;
C. make the circular end cap that cooperates with the copper sheathing port, welding inductive head water inlet pipe on the end cap, the central through hole that central tube can pass through is reserved at the center;
D. with copper pipe body coiled induction coil, two ends, the left and right sides are welded the right induction coil contiguous block that has induction coil boiler water circulation butt hole A respectively and are had the left induction coil contiguous block of induction coil boiler water circulation butt hole B;
E. the coiling primary coil uses the lead of surface insulation to enclose to tight winding n along core axis, and wherein the scope of n is 10≤n≤40, in the copper sheathing of packing into after winding, the terminals of primary coil is pulled out from the inductive head water inlet pipe;
F. central tube is passed magnetic core, putting sealing gasket near on the central tube tube wall of central tube openend then, simultaneously end cap is covered port at copper sheathing, allow the link of primary coil pull out from the inductive head water inlet pipe on the end cap, allow the central tube openend pass the central through hole of end cap again, central tube and end cap are fixed on the copper sheathing with bolt;
G. the left and right sides induction coil contiguous block with induction coil is connected on the induction coil base of the left and right sides, its induction coil water outlet butt hole, induction coil water inlet butt hole, induction coil boiler water circulation butt hole A and induction coil boiler water circulation butt hole B keep being communicated with, and with compressing tablet, pressure pad and bolt induction coil is fixed, simultaneously left induction coil base and copper sheathing and right induction coil base contact position are put L shaped insulation cushion.
The manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention, described magnetic core are the 1J22 magnetically soft alloy material.
The manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention, also comprise step h, power adjustments potentiometer and transformer start stop switch are set on copper sheathing, and the power adjustments potentiometer is connected with the induction heating equipment control circuit by lead with the transformer start stop switch.
The invention has the beneficial effects as follows: compare with prior art, the technique effect of handheld coaxial forced water cooling intermediate frequency transformer of the present invention and manufacture method is: 1. the magnetic core of Working transformer adopts soft magnetic material 1J22 to make, made full use of high saturated low-loss characteristic of the magnetic material of 1J22, the loss of power supply on working cable on the basis that guarantees nearly 70 kw of power output reduced greatly, therefore can make working cable length extend to 30 meters even longer.2. primary coil has changed in the past by the big current coil method of material coilings such as copper pipe, the high temperature wire coiling that changes by about 1 square millimeter forms by forcing cold the making it of immersion can not damage volume and manufacture difficulty from reduced transformer at all when improving no-load voltage ratio by the operating current of maximum 150 peaces.3. secondary coil is finished basic functions such as water-stop, boiler water circulation, water cooling, also farthest increased the water conservancy diversion area of secondary coil, operating current can reach 3000-4000A, also accomplished the magnetic line of force zero leakage simultaneously, improve the operating efficiency of transformer greatly, reduced the volume of transformer.By above three technology innovation, handheld coaxial forced water cooling intermediate frequency transformer of the present invention is dwindled greatly than the volume of domestic like product.Fill up blank in the high-end welding equipment manufacturing of China and reached the import that international most advanced level can replace the intra-class correlation product, when having saved a large amount of foreign exchange for country, made things convenient for domestic user's use, maintenance, upgrading, the raising that promotes the domestic production level of processing has been had positive meaning.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of decomposition of the present invention.
Fig. 2 is the three-dimensional decomposition texture schematic diagram of part of the present invention.
Fig. 3 is a copper sheathing part-structure schematic diagram of the present invention.
Fig. 4 is a central tube portion separation structure schematic diagram of the present invention.
Fig. 5 is an end cap portions separation structure schematic diagram of the present invention.
Fig. 6 is magnetic core and primary coil part-structure schematic diagram.
Fig. 7 is an induction coil part-structure schematic diagram.
Among the figure: 1. copper sheathing, 2. end cap, 3. central tube, 4. left compressing tablet, 5. left pressure pad, 6. sealing gasket, 7. insulation cushion, 8. clamp nut, 9. ground connection screw, 10. induction coil, 11. induction coil water inlets, 12. induction coil water return outlets, 13. the inductive head water return outlet, 14. inductive head water inlets, 15. left induction coil holding screws, 16. right compressing tablet, 17. right induction coil holding screws, 18. right pressure pads, 19. magnetic core, 20. primary coils, 21. left induction coil bases, 22. right induction coil base, 23. left induction coil contiguous blocks, 24. right induction coil contiguous blocks, 25. induction coil water inlet butt hole, 26. induction coil water outlet butt hole, 27. induction coil boiler water circulation butt hole A, 28. induction coil boiler water circulation butt hole B.
Embodiment
Shown in Fig. 1,2,3,4,5,6,7, a kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention comprises copper sheathing 1, magnetic core 19, central tube 2, induction coil 10.The annular made for magnetically soft alloy material of magnetic core 19 wherein is positioned at copper sheathing 1 and axially is tied with the primary coil 20 that the poly-tetrafluoro high temperature wire of surface insulation is made; Magnetic core 19 adopts the 1J22 magnetically soft alloy material, and the number of turn of primary coil 20 is n, and wherein the scope of n is 10≤n≤40.With the iron core that the 1J22 magnet ring of three 40X37X63 is formed, primary coil 20 numbers of turn are that 20 peak power outputs can reach 70KW when 15KHZ.Central tube 3 adopts copper product to make, and for passing the body that magnetic core 19 hollow parts and tube wall are provided with through hole, through hole is generally four.One end sealing, other end opening and pass end cap 2 and be connected on the end cap 2 makes central tube 3 be fixed on the centre of magnetic core 19, and the openend of central tube 3 is as inductive head water return outlet 13.Induction coil 10 is made by hollow copper pipe, generally adopts the square pure copper tube of 10mmX10mm to make, and its right-hand member is connected copper sheathing 1 end and is provided with induction coil water inlet 11, and left end is connected central tube 3 blind ends and is provided with induction coil water return outlet 12; Induction coil water inlet 11, induction coil 10 copper pipe bodies and induction coil water return outlet 12 are connected; End is provided with left induction coil contiguous block 23 and right induction coil contiguous block 24 about induction coil 10.Be connected with left induction coil base 21 on half end face of central tube 3 blind ends, induction coil water return outlet 12 is arranged on the left induction coil base 21; Be connected with right induction coil base 22 on half port of copper sheathing 1 one ends, induction coil water inlet 11 is arranged on the right induction coil base 22; Induction coil 10 left ends are provided with left induction coil contiguous block 23 and are connected on the left induction coil base 21, induction coil 10 right-hand members are provided with right induction coil contiguous block 24 and are connected on the right induction coil base 22, also have induction coil boiler water circulation butt hole A27 on the right induction coil contiguous block 24, induction coil boiler water circulation butt hole B28 is arranged on the left induction coil contiguous block 23.Left side induction coil base 21 is provided with induction coil water outlet butt hole 26, and right induction coil base 22 is provided with induction coil water inlet butt hole 25.Left side induction coil base 21 and the 22 common shutoff of right induction coil base are provided with L shaped insulation cushion 7 in the port of copper sheathing 1 between left induction coil base 21 and copper sheathing 1 and the right induction coil base 22.Central tube 3 passes behind the centre bore of end cap 2 fixing with clamp nut 8, and ground connection screw 9 is set on the end cap 2.Thereby realization central tube 3 only openend conducts by end cap 2 and copper sheathing 1 respective end, and the blind end of central tube 3 and induction coil 10 left ends all insulate with copper sheathing 1 and induction coil 10 right-hand members in junction, copper sheathing 1 end.Copper sheathing 1 conducts at end cap 2 places and central tube 3 openends like this, the blind end of central tube 3 and induction coil 10 left ends conduct, induction coil 10 right-hand members conduct with copper sheathing 1 again, and then realize that induction coil 10, copper sheathing 1 and central tube 3 connect to form the single turn secondary coil that is coupled with primary coil 20 successively.Cooling water enters from the inductive head water inlet 14 on the end cap 2, flow in the space in the copper sheathing 1, enter central tube 3 by the through hole on the central tube 3 then, openend from central tube 3 flows out again, form the cooling water circulation canal in copper sheathing 1 internal clearance and central tube 3 pipes, can be primary coil 20 coolings.Cooling water flows into from induction coil 10 water inlets, and the induction coil 10 of flowing through flows out another cooling water circulation canal that forms in the induction coil 10 from induction coil 10 water return outlets again, can be induction coil 10 coolings.Copper sheathing 1 is provided with power adjustments potentiometer and transformer start stop switch, can regulate use power.
The manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer of the present invention may further comprise the steps:
A. make the right induction coil base 22 of cylindrical shape copper sheathing 1 and band induction coil water inlet butt hole 25, welding and the induction coil induction coil water inlet 11 that butt hole 25 is connected of intaking on the right induction coil base 22 is welded on right induction coil base 22 half port of copper sheathing 1 one ends;
B. make an end and seal the central tube 3 of an end opening and the left induction coil base 21 of band induction coil water outlet butt hole 26, left side induction coil base 21 is welded on half end of central tube 3 blind ends, the induction coil water return outlet 12 that welding is connected with induction coil water outlet butt hole 26 on the left side induction coil base 21, central tube 3 is getting out through hole near on the tube wall of blind end;
C. make the circular end cap 2 that cooperates with copper sheathing 1 port, welding inductive head water inlet pipe on the end cap 2, the central through hole that central tube 3 can pass through is reserved at the center;
D. with copper pipe body coiled induction coil 10, two ends, the left and right sides are welded right induction coil contiguous block 24 that has induction coil boiler water circulation butt hole A27 and the left induction coil contiguous block 23 that has induction coil boiler water circulation butt hole B28 respectively;
E. the coiling primary coil 20, use the lead of surface insulation axially closely to twine the n circle along magnetic core 19, and wherein the scope of n is 10≤n≤40, in the copper sheathing 1 of packing into after winding, the terminals of primary coil is pulled out from inductive head water inlet pipe 14;
F. central tube 3 is passed magnetic core 19, putting sealing gasket 6 near on central tube 3 tube walls of central tube 3 openends then, simultaneously end cap 2 is covered port at copper sheathing 1, allow the link of primary coil 20 pull out from the inductive head water inlet pipe on the end cap 2, allow central tube 3 openends pass the central through hole of end cap 2 again, central tube 3 and end cap 2 are fixed on the copper sheathing 1 with bolt;
G. the left and right sides induction coil contiguous block with induction coil 10 is connected on the induction coil base of the left and right sides, and its induction coil water outlet butt hole 26, induction coil water inlet butt hole 25, induction coil boiler water circulation butt hole A27 and induction coil boiler water circulation butt hole B28 keep being communicated with.And with left compressing tablet 4, left pressure pad 5, right compressing tablet 16, right pressure pad 18 left induction coil holding screws 15 and right induction coil holding screw 17 that induction coil 10 is fixing, simultaneously L shaped insulation cushion 7 is put in left induction coil base 21 and copper sheathing 1 and right induction coil base 22 contact positions.Magnetic core 19 is the 1J22 magnetically soft alloy material.Power adjustments potentiometer and transformer start stop switch are set on copper sheathing 1, and the power adjustments potentiometer is connected with the induction heating equipment control circuit by lead with the transformer start stop switch.
Claims (9)
1. a handheld coaxial forced water cooling intermediate frequency transformer comprises copper sheathing (1), it is characterized in that, also comprises:
Magnetic core (19) is the annular that magnetically soft alloy material is made, and is positioned at copper sheathing (1) and axially is tied with the primary coil (20) that the lead of surface insulation is made;
Central tube (3) is for passing the copper pipe body that magnetic core (19) hollow parts and tube wall are provided with through hole, the sealing of one end, other end opening; With
Induction coil (10) is become by the copper pipe system, and its right-hand member is connected copper sheathing (1) end and is provided with induction coil water inlet (11), and left end is connected central tube (3) blind end and is provided with induction coil water return outlet (12); Described induction coil water inlet (11), induction coil (10) copper pipe body and induction coil water return outlet (12) are connected;
Described copper sheathing (1) connects the port closed of induction coil (10), the other end is connected with end cap (2), inductive head water inlet (14) and central through hole are set on the described end cap (2), and central tube (3) openend is connected with end cap (2) after passing central through hole as inductive head water return outlet (13);
Central tube (3) only openend conducts by end cap (2) and copper sheathing (1) respective end, and the blind end of central tube (3) and induction coil (10) left end all insulate with copper sheathing (1) and induction coil (10) right-hand member in copper sheathing (1) junction, end;
Described induction coil (10), copper sheathing (1) and central tube (3) connect to form the single turn secondary coil with primary coil (20) coupling successively; Form a cooling water circulation canal in copper sheathing (1) internal clearance and central tube (3) pipe; Form another cooling water circulation canal in the induction coil (10).
2. handheld coaxial forced water cooling intermediate frequency transformer according to claim 1 is characterized in that: described magnetic core (19) is the 1J22 magnetically soft alloy material.
3. handheld coaxial forced water cooling intermediate frequency transformer according to claim 1 is characterized in that: the number of turn of described primary coil (20) is n, and wherein the scope of n is 10≤n≤40.
4. handheld coaxial forced water cooling intermediate frequency transformer according to claim 1, it is characterized in that: be connected with left induction coil base (21) on half end face of described central tube (3) blind end, induction coil water return outlet (12) is arranged on the left induction coil base (21); Be connected with right induction coil base (22) on half port of copper sheathing (1) one end, induction coil water inlet (11) is arranged on the right induction coil base (22); Induction coil (10) left end is provided with left induction coil contiguous block (23) and is connected on the left induction coil base (21), induction coil (10) right-hand member is provided with right induction coil contiguous block (24) and is connected on the right induction coil base (22), the common shutoff of described left induction coil base (21) and right induction coil base (22) is provided with L shaped insulation cushion (7) in the port of copper sheathing (1) between left induction coil base (21) and copper sheathing (1) and the right induction coil base (22).
5. handheld coaxial forced water cooling intermediate frequency transformer according to claim 1 is characterized in that: be provided with sealing gasket (6) between central tube (3) and the copper sheathing (1).
6. handheld coaxial forced water cooling intermediate frequency transformer according to claim 1 is characterized in that: described copper sheathing (1) is provided with power adjustments potentiometer and transformer start stop switch.
7. the manufacture method of a handheld coaxial forced water cooling intermediate frequency transformer is characterized by, and may further comprise the steps:
A. make the right induction coil base (22) of cylindrical shape copper sheathing (1) and band induction coil water inlet butt hole (25), right induction coil base (22) is gone up welding and the induction coil water inlet (11) that induction coil water inlet butt hole (25) is connected, and right induction coil base (22) is welded on half port of copper sheathing (1) one end;
B. make the central tube (3) that an end seals an end opening and the left induction coil base (21) of band induction coil water outlet butt hole (26), left side induction coil base (21) is welded on half end of central tube (3) blind end, left side induction coil base (21) is gone up the induction coil water return outlet (12) that welding is connected with induction coil water outlet butt hole (26), and central tube (3) is getting out through hole near on the tube wall of blind end;
C. make the circular end cap (2) that cooperates with copper sheathing (1) port, end cap (2) is gone up welding inductive head water inlet pipe, and the central through hole that central tube (3) can pass through is reserved at the center;
D. with copper pipe body coiled induction coil (10), two ends, the left and right sides are welded right induction coil contiguous block (24) that has induction coil boiler water circulation butt hole A (27) and the left induction coil contiguous block (23) that has induction coil boiler water circulation butt hole B (28) respectively;
E. coiling primary coil (20) uses the lead of surface insulation axially closely to twine the n circle along magnetic core (19), and wherein the scope of n is 10≤n≤40, in the copper sheathing (1) of packing into after winding, the terminals of primary coil is pulled out from inductive head water inlet pipe (14);
F. central tube (3) is passed magnetic core (19), putting sealing gasket (6) near on central tube (3) tube wall of central tube (3) openend then, simultaneously end cap (2) is covered port in copper sheathing (1), allow the link of primary coil (20) pull out from the inductive head water inlet pipe on the end cap (2), allow central tube (3) openend pass the central through hole of end cap (2) again, central tube (3) and end cap (2) are fixed on the copper sheathing (1) with bolt;
G. the left and right sides induction coil contiguous block with induction coil (10) is connected on the induction coil base of the left and right sides, its induction coil water outlet butt hole (26), induction coil water inlet butt hole (25), induction coil boiler water circulation butt hole A (27) and induction coil boiler water circulation butt hole B (28) keep being communicated with, and with compressing tablet, pressure pad and bolt that induction coil (10) is fixing, simultaneously L shaped insulation cushion (7) is put in left induction coil base (21) and copper sheathing (1) and right induction coil base (22) contact position.
8. the manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer according to claim 7 is characterized by: described magnetic core (19) is the 1J22 magnetically soft alloy material.
9. the manufacture method of a kind of handheld coaxial forced water cooling intermediate frequency transformer according to claim 7, it is characterized by: also comprise step h, power adjustments potentiometer and transformer start stop switch are set on copper sheathing (1), and the power adjustments potentiometer is connected with the induction heating equipment control circuit by lead with the transformer start stop switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101877991A CN101847499B (en) | 2010-06-01 | 2010-06-01 | Handheld coaxial forced water cooling intermediate-frequency transformer and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101877991A CN101847499B (en) | 2010-06-01 | 2010-06-01 | Handheld coaxial forced water cooling intermediate-frequency transformer and manufacturing method thereof |
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| CN101847499A CN101847499A (en) | 2010-09-29 |
| CN101847499B true CN101847499B (en) | 2011-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035387A (en) * | 2012-12-31 | 2013-04-10 | 山东彼岸电力科技有限公司 | Hand-held coaxial forced water-cooled medium-frequency transformer |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102969134B (en) * | 2012-11-13 | 2015-11-25 | 十堰恒进科技有限公司 | A kind of for induction hardened transformer |
| CN103247418B (en) * | 2013-05-22 | 2015-09-16 | 济南峻齐信息技术有限公司 | Handheld coaxial list water route forced water cooling intermediate frequency transformer |
| CN106653335B (en) * | 2016-12-29 | 2018-08-14 | 深圳市北辰亿科科技有限公司 | A kind of sensing heating portable hand-held formula transformer |
| CN106504884B (en) * | 2016-12-29 | 2018-05-25 | 陕西如意变压器制造有限公司 | A kind of sensing heating coaxial transformer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2002953412A0 (en) * | 2002-12-18 | 2003-01-09 | George Stephen Ramsay | Electrical device with a safety switch |
| GB0421374D0 (en) * | 2004-09-25 | 2004-10-27 | Univ Surrey | Measuring device and system for measuring reflectance characteristics |
| CN101364471B (en) * | 2007-08-08 | 2011-06-08 | 深圳市宝安联华实业有限公司 | Working transformer of hand-hold medium high frequency induction heating equipment and manufacturing method |
| CN201425874Y (en) * | 2009-05-19 | 2010-03-17 | 济南德中电力技术有限公司 | Coaxial forced water-cooled intermediate-frequency quenched transformer |
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2010
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103035387A (en) * | 2012-12-31 | 2013-04-10 | 山东彼岸电力科技有限公司 | Hand-held coaxial forced water-cooled medium-frequency transformer |
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