CN205984580U - Intermediate frequency water -cooled transformer - Google Patents
Intermediate frequency water -cooled transformer Download PDFInfo
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- CN205984580U CN205984580U CN201620900874.7U CN201620900874U CN205984580U CN 205984580 U CN205984580 U CN 205984580U CN 201620900874 U CN201620900874 U CN 201620900874U CN 205984580 U CN205984580 U CN 205984580U
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- iron core
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Abstract
The utility model discloses an intermediate frequency water -cooled transformer, including transformer main body and efferent, be equipped with positive output electrode end and burden output electrode end on this efferent, this transformer main body includes the cavity, and cavity open -top cooperatees with the efferent, be equipped with in this cavity the iron core and with this iron core matched with primary winding, secondary, this primary winding electricity is connected with positive electrode input terminal and negative electrode input terminal, and this positive electrode input terminal and negative electrode input terminal are drawn forth outside the cavity through the lead wire, this secondary is connected with positive output electrode end, burden output electrode end electricity, this secondary comprises the secondary coil that a plurality of is pipeline structure, is equipped with fluid passage in this secondary coil, still be equipped with water inlet and delivery port on this efferent, this water inlet, each secondary coil's fluid passage, delivery port connect gradually, constitute the water -cooling route. The utility model has the advantages of heat dispersion is excellent, whole to move that the temperature rise is low, the good reliability, the noise is little, product weight is light.
Description
Technical field
This utility model is related to field transformer, especially relates to medium-frequency water-cooling transformator.
Background technology
In recent years, enter into average family with automobile, the volume of production of automobile and sales volume incrementally increase.With automobile production
Need and science and technology progress, various welding methods constantly emerge in large numbers, and successively occur in that as gas-shield welding method,
Cold welding method, method for resistance welding, ultrasonic welding method etc. more than 20 plant welding method, and the more conventional welding of people
Mode is usually method for resistance welding and gas-shield welding method.
At present, the composition structure of traditional resistance spot weld is formed by three parts：Power supply and control device (welding resistance control
Device processed), energy conversion device (welding transformer) and welding actuator (pliers spot welding head or spot-welding gun), and traditional resistor mash welder
Operating frequency be mostly low frequency (i.e. 50～60Hz), its type of cooling adopt natural cooling design.However, adopting above-mentioned design
Transformator have that overall structure is heavy, power consumption is high, install that inconvenient, output current is little, continuous welding when solder joint uneven, can
By property good the shortcomings of it is difficult to meet the demand of automobile production producer.
For this reason, it is necessary to study a kind of new transformator, use for mash welder, to provide the stability of mash welder.
Utility model content
The purpose of this utility model is to provide that a kind of heat dispersion is excellent, overall operation temperature rise is low, in good reliability
Frequency water-cooled transformer.
To achieve these goals, this utility model adopts the following technical scheme that：
Medium-frequency water-cooling transformator, particularly, including transformer body and output section；This output section is provided with anelectrode output
End and negative electrode outfan；This transformer body includes cavity, and cavity open top is simultaneously matched with output section；Set in this cavity
Armature winding that is cored and matching with this iron core, secondary windings；This armature winding be electrically connected with anelectrode input terminal and
Negative electrode input terminal, this anelectrode input terminal and negative electrode input terminal are drawn outside cavity by lead；This secondary windings
Electrically connect with anelectrode outfan, negative electrode outfan；This secondary windings is made up of the secondary coil that several are in pipeline configuration,
It is provided with fluid passage in this secondary coil；Water inlet and outlet are additionally provided with this output section；This water inlet, each secondary coil
Fluid passage, outlet are sequentially connected, and constitute water-cooled path.
Principle of the present utility model is as follows：
Armature winding provides power for operation by anelectrode input terminal and negative electrode input terminal.Output section covers in cavity
Top, with cavity formed be tightly connected.Water inlet, the fluid passage of each secondary coil, outlet are sequentially connected, and constitute water-cooled
Path, that is, the fluid passage of neighboring secondary coil be sequentially communicated, and along coolant flow direction, the stream of the secondary coil of most upstream
Body passage is connected with water inlet, and the fluid passage of the secondary coil of most downstream is connected with outlet, constitutes water-cooled path.
In the case that transformator is in medium-high frequency, the electric current flowing through winding has the skin phenomenon that significantly becomes.According to Kelvin effect,
When being connected with alternating current in conductor, the high-frequency current distribution of conductor is simultaneously uneven, and electric current is generally concentrated at the " skin of conductor
Skin " part, i.e. the appearance thin layer of conductor, and the electric current of conductor is less.Therefore, medium-frequency water-cooling transformator of the present utility model
Using intermediate frequency 1KHz operating frequency when, the electric current overwhelming majority flowing through secondary coil concentrates on the appearance of secondary coil, thus
Ensure that the electric current flowing through secondary coil normally exports to output section, and armature winding, secondary windings are produced in the course of the work
Heat, can be taken away by the coolant flowing in water cooled path, make transformator can maintain cold operation for a long time it is ensured that product is long-term
The reliability using.And, secondary coil adopts pipeline configuration, decreases the use of conductor material, makes the weight of transformer body
Amount is less, contributes to realizing the lightweight of product.
The armature winding of this transformator is made up of several primary coils.For ensureing the coolant energy of water cooled path flowing
Fully take away the heat of armature winding and secondary windings, the section of this primary coil can be rectangular, the section of secondary coil can be in
Rectangle, and primary coil is distributed in distance with secondary coil so that the surface energy of secondary coil to greatest extent with primary line
The surface of circle contacts, so that heat taken away by coolant.
For ensureing the sealing in water-cooled path, transformer body can be realized sealing by the way of overall injecting glue encapsulation, that is,
Iron core, armature winding, secondary windings and related components are arranged in cavity, and output section are arranged on the top of cavity
Afterwards, toward cavity injection fluid sealant so as to form overall structure, thus ensureing the sealing in water-cooled path, realize electricity separation.
For obtaining temperature change during transformer body work, the flow of the coolant in real-time adjustment water-cooled path, chamber
Temperature-sensing probe can be provided with vivo.Temperature-sensing probe is connected by wire and is connected to extraneous working power, obtains transformator in real time
The temperature change of main body, so that user is according to the range of temperature of transformer body, the coolant in adjustment water-cooled path
Flow is it is ensured that transformator maintains cold operation for a long time.
This utility model has that heat dispersion is excellent, overall operation temperature rise is low, good reliability, noise are little, water-cooled path is close
The advantages of envelope property is excellent, product weight is light.
Brief description
Fig. 1 is the schematic diagram of medium-frequency water-cooling transformator in this utility model embodiment；
Fig. 2 is the generalized section of transformer body in this utility model embodiment.
Description of reference numerals：1- cavity；2- iron core；3- armature winding；4- secondary windings；5- primary coil；6- secondary wire
Circle；7- fluid passage；8- anelectrode outfan；9- negative electrode outfan；10- water inlet；11- outlet；12- iron core block；13-
Emptying aperture；14- iron core securing member；15- output section.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is further described.
Medium-frequency water-cooling transformator as shown in Fig. 1～2, this transformator includes transformer body and output section 15, wherein,
Transformer body includes cavity 1, and cavity 1 open top is simultaneously matched with output section 15；It is provided with iron core in this cavity 1
2 and match with this iron core 2 armature winding 3, secondary windings 4；This armature winding 3 is made up of several primary coils 5, primary
Winding 3 is electrically connected with anelectrode input terminal and negative electrode input terminal, this anelectrode input terminal and negative electrode input terminal
Drawn outside cavity 1 by lead；This secondary windings 4 is made up of the secondary coil 6 that several are in pipeline configuration, this secondary coil 6
Inside it is provided with fluid passage 7；
Output section 15 is provided with anelectrode outfan 8 and negative electrode outfan 9, this anelectrode outfan 8, negative electrode output
End 9 is electrically connected with secondary windings 4；Water inlet 10 and outlet 11 are additionally provided with this output section 15；This water inlet 10, each secondary wire
The fluid passage 7 of circle 6, outlet 11 are sequentially connected, and constitute water-cooled path.
In the present embodiment, as shown in Fig. 2 primary coil 5 is made up of solid copper pipe, the rectangular in cross-section of primary coil 5；Secondary
Level coil 6 is made up of hollow copper tubing, and the section of secondary coil 6 is equally rectangular, and primary coil 5 and secondary coil 6 interval row
Row, make the surface energy of secondary coil 6 contact with the surface of primary coil 5 to greatest extent.
In the present embodiment, as shown in Fig. 2 iron core 2 is made up of the iron core block 12 that two pieces are arranged in parallel.The section of iron core block 12
In racetrack, the inside of iron core block 12 is provided with the emptying aperture 13 passing through for winding.Armature winding 3 and secondary windings 4 pass through two iron cores
The emptying aperture 13 of block 12, the side wall coiling through two iron core blocks 12.It is additionally provided with cavity 1 and fasten for the iron core fixing two iron core blocks 12
Part 14, this iron core securing member 14 surrounds two iron core blocks 12, and makes two iron core blocks 12 bonded to each other.
In the present embodiment, for obtaining temperature change during transformer body work, the cooling in real-time adjustment water-cooled path
The flow of agent, is provided with temperature-sensing probe in cavity 1.Temperature-sensing probe is connected by wire and is connected to extraneous working power.
In the present embodiment, for ensureing the sealing in water-cooled path, transformer body is real by the way of overall injecting glue encapsulation
Now seal, will iron core 2, armature winding 3, secondary windings 4 and temperature-sensing probe, iron core securing member 14 etc. be arranged in cavity 1,
And output section 15 is covered behind the top of cavity 1, toward cavity 1 injection fluid sealant so as to form overall structure, thus ensureing water
The sealing in cold path, realizes electricity separation.
The operation principle of the transformator of the present embodiment is as follows：
Anelectrode input terminal and negative electrode input terminal incoming frequency are the electric current of 1KHz, make the operating frequency of transformator
Reach intermediate frequency.And work as in the case that transformator is in medium-high frequency, the electric current flowing through winding has the skin phenomenon that significantly becomes.According to the skin that becomes
Effect, when being connected with alternating current in conductor, the CURRENT DISTRIBUTION of conductor is simultaneously uneven, and electric current is generally concentrated at the " skin of conductor
Skin " part, i.e. the appearance thin layer of conductor, and the electric current of conductor is less.Therefore, the electric current flowing through secondary coil 6 is exhausted
It is largely focused on the appearance of secondary coil 6, and the appearance through secondary coil 6 exports to the anelectrode outfan 8 of output section 15
With negative electrode outfan 9, and armature winding 3, secondary windings 4 produced heat in the course of the work, then by water cooled path
The coolant (generally water) of flowing is taken away, and makes transformator can maintain cold operation for a long time.
For the transformator of electric welding machine, the running current of transformator is 6000A.By traditional method for designing,
Low-frequency transformer adopts self cooling design, and the area of section of the copper conductor of its armature winding 3 and secondary windings 4 is up to 2000mm2；And
It is 800mm that the medium-frequency water-cooling transformator of the present embodiment 1, armature winding 3 and secondary windings 4 take area of section2Copper pipe, you can
Meet the requirement of electric property, temperature rise, low-loss and the high reliability of product, greatly save the utilization of conductor material, use copper
Amount is than traditional low-frequency transformer few 20%～35%, and the overall volume of transformator can reduce 15%～20%, is conducive to
The lightweight development of transformator, effectively reduces the production cost of transformator.
What this specification was enumerated is only better embodiment of the present utility model, all operation principles in utility model and think of
The equivalent technologies conversion done under road, is accordingly to be regarded as protection domain of the present utility model.
Claims (6)
1. medium-frequency water-cooling transformator it is characterised in that：Including transformer body and output section；Described output section is provided with anelectrode
Outfan and negative electrode outfan；Described transformer body includes cavity, and cavity open top is simultaneously matched with output section；Described
It is provided with iron core and the armature winding matching with this iron core, secondary windings in cavity；Described armature winding is electrically connected with anelectrode
Input terminal and negative electrode input terminal, described anelectrode input terminal and negative electrode input terminal draw cavity by lead
Outward；Described secondary windings are electrically connected with anelectrode outfan, negative electrode outfan；Described secondary windings are in that pipeline is tied by several
The secondary coil of structure is constituted, and is provided with fluid passage in described secondary coil；Water inlet and outlet are additionally provided with described output section；
Described water inlet, the fluid passage of each secondary coil, outlet are sequentially connected, and constitute water-cooled path.
2. medium-frequency water-cooling transformator according to claim 1 it is characterised in that：Described armature winding is by several primary lines
Circle is constituted, the rectangular in cross-section of described primary coil；The rectangular in cross-section of described secondary coil；Described primary coil and secondary wire
Circle is distributed in distance.
3. medium-frequency water-cooling transformator according to claim 1 it is characterised in that：Described transformer body is using overall injecting glue
Sealing is realized in encapsulation.
4. medium-frequency water-cooling transformator according to claim 1 it is characterised in that：It is provided with temperature-sensing probe in described cavity；Institute
State temperature-sensing probe and connected by wire and be connected to extraneous working power.
5. medium-frequency water-cooling transformator according to claim 1 it is characterised in that：Described iron core is by two blocks of ferrum being arranged in parallel
Pellet is constituted；The section of described iron core block is in racetrack.
6. medium-frequency water-cooling transformator according to claim 5 it is characterised in that：It is additionally provided with for fixing two in described cavity
The iron core securing member of iron core block；Described iron core securing member surrounds two iron core blocks, and makes two iron core blocks bonded to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900874.7U CN205984580U (en) | 2016-08-18 | 2016-08-18 | Intermediate frequency water -cooled transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900874.7U CN205984580U (en) | 2016-08-18 | 2016-08-18 | Intermediate frequency water -cooled transformer |
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| Publication Number | Publication Date |
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| CN205984580U true CN205984580U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620900874.7U Active CN205984580U (en) | 2016-08-18 | 2016-08-18 | Intermediate frequency water -cooled transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158290A (en) * | 2016-08-18 | 2016-11-23 | 佛山市中研非晶科技股份有限公司 | Medium-frequency water-cooling transformator |
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2016
- 2016-08-18 CN CN201620900874.7U patent/CN205984580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158290A (en) * | 2016-08-18 | 2016-11-23 | 佛山市中研非晶科技股份有限公司 | Medium-frequency water-cooling transformator |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528241 No. 15, Shunjing Avenue, zone B, Lishui hegui Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Zhongyan Magnetoelectric Technology Co.,Ltd. Address before: 528241 No. 15, Shunjing Avenue, zone B, Lishui hegui Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN ZHONGYAN AMORPHOUS TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |