CN202238593U - Curing device for weld-seam coatings of metal tank body - Google Patents
Curing device for weld-seam coatings of metal tank body Download PDFInfo
- Publication number
- CN202238593U CN202238593U CN2011203406288U CN201120340628U CN202238593U CN 202238593 U CN202238593 U CN 202238593U CN 2011203406288 U CN2011203406288 U CN 2011203406288U CN 201120340628 U CN201120340628 U CN 201120340628U CN 202238593 U CN202238593 U CN 202238593U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic induction
- magnetic core
- lead
- mentioned
- constitutes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- General Induction Heating (AREA)
Abstract
The utility model relates to a curing device for weld-seam coatings of a metal tank body. The curing device comprises a magnetic core support, a wire and an inverted power source, wherein the magnetic core support is formed by end-to-end fixed connection of a plurality of winding units, the wire is wound on the winding units, and the two ends of the wire are connected with the inverted power source. The magnetic core support wound with the wire forms a plurality of electromagnetic induction coils which are connected in series, and the Q values of the electromagnetic induction coils which are in series connection can be set high, so that the heat outputs generated by the electromagnetic induction coils which are in series connection are reduced, as a result, the energy consumption of the curing device is reduced. The magnetic lines of the alternating magnetic fields generated by the electromagnetic induction coils which are in series connection can intensively and uniformly extend to the place where the metal tank body passes, so that the curing device can allow the weld seam parts of the metal tank body to uniformly heat to uniformly heat and cure the weld-seam coatings of the metal tank body. Therefore, the curing device has high heating efficiency and good curing effect, and is particularly suitable for thermally curing narrow weld beam coatings.
Description
Technical field
The utility model relates to a kind of solidification equipment, and more particularly, the utility model relates to a kind of solidification equipment of metal can body weld seam coating.
Background technology
In recent years, the curing technology of metal can body weld seam coating progressively adopts the high-frequency induction heating mode to replace traditional liquid fuel heat mode or electrothermal tube mode of heating.
But existing high-frequency induction heating mode generally adopts the copper pipe of strip to produce alternating magnetic field as induction coil; Owing to adopt a monocoil induction heating mode, and monocoil Q value is relatively low, adds the Kelvin effect of high frequency electric; Thereby cause the heating of strip induction coil self very serious; When electric current accounts for band and carries when unloaded 50% of electric current, so the power consumption of existing high-frequency induction heating mode is big; Simultaneously, because its magnetic line of force of alternating magnetic field that the strip induction coil produces is dispersed in the periphery of strip induction coil, thereby the magnetic flux density of the metal can body of sensing process is little; So; The heating of existing high-frequency induction heating mode is inhomogeneous, and hot-spot takes place easily in the commissure of metal can body, therefore; The efficiency of heating surface of existing high-frequency induction heating mode is low, solidification effect is poor, is not suitable for being heating and curing than the bead weld coating.
The utility model content
The utility model technical problem to be solved provides a kind of solidification equipment of metal can body weld seam coating, and this solidification equipment power consumption is little, the efficiency of heating surface is high, solidification effect good, and this solidification equipment is particularly suitable for being heating and curing than the bead weld coating.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is following:
A kind of solidification equipment of metal can body weld seam coating is characterized in that: comprise magnetic core support, lead and inverter, above-mentioned magnetic core support is formed by fixedly connecting a plurality of coiling unit from beginning to end; Above-mentioned lead is wrapped on the coiling unit, and the two ends of above-mentioned lead are connected with inverter; The above-mentioned magnetic core shelf-like that is wound with a lead becomes a plurality of electromagnetic induction coils of serial connection.
A kind of preferred structure as magnetic core support in the utility model; Said coiling unit adopts the U-shaped magnetic core; The shoulder in-line of above-mentioned U-shaped magnetic core is mutually permanently connected with arranging and constitutes the magnetic core support; The end arm of end U-shaped magnetic core constitutes an electromagnetic induction post, and the adjacent arm of adjacent two U-shaped magnetic cores is fixedly connected and constitutes an electromagnetic induction post.
As a kind of preferred winding mode of U-shaped magnetic core in the utility model, said lead is wrapped on the electromagnetic induction post that is made up of the U-shaped magnetic core, and the winding direction of adjacent electromagnetic induction post upper conductor is identical or opposite; An above-mentioned electromagnetic induction post that is wound with lead constitutes an electromagnetic induction coil, and above-mentioned many electromagnetic induction posts that are wound with a lead constitute a plurality of electromagnetic induction coils of serial connection.
As the another kind of preferred winding mode of U-shaped magnetic core in the utility model, said lead is wrapped on the shoulder of U-shaped magnetic core, and the winding direction of adjacent shoulder upper conductor is identical or opposite; The U-shaped magnetic core that is wound with lead on the above-mentioned shoulder constitutes a plurality of electromagnetic induction coils of serial connection.
The best rectangular shape in the cross section of the arm of said U-shaped magnetic core.
Another kind of preferred structure as magnetic core support in the utility model; Said coiling unit adopts E shape magnetic core; The shoulder in-line of above-mentioned E shape magnetic core is mutually permanently connected with arranging and constitutes the magnetic core support; The middle arm of above-mentioned E shape magnetic core constitutes an electromagnetic induction post, and the end arm of end E shape magnetic core constitutes an electromagnetic induction post, and the adjacent arm of adjacent two E shape magnetic cores is fixedly connected and constitutes an electromagnetic induction post.
As a kind of preferred winding mode of E shape magnetic core in the utility model, said lead is wrapped on the electromagnetic induction post that is made up of E shape magnetic core, and the winding direction of adjacent electromagnetic induction post upper conductor is identical or opposite; An above-mentioned electromagnetic induction post that is wound with lead constitutes an electromagnetic induction coil, and above-mentioned many electromagnetic induction posts that are wound with a lead constitute a plurality of electromagnetic induction coils of serial connection.
As the another kind of preferred winding mode of E shape magnetic core in the utility model, said lead is wrapped on the shoulder of E shape magnetic core, and the winding direction of adjacent shoulder upper conductor is identical or opposite; The E shape magnetic core that is wound with lead on the above-mentioned shoulder constitutes a plurality of electromagnetic induction coils of serial connection.
The best rectangular shape in the cross section of the arm of said E shape magnetic core.
Said U-shaped magnetic core and E shape magnetic core are made up of the high magnetic conductivity ferrite material that adds rare earth oxide.
Said lead preferably adopts resistant to elevated temperatures multiply enamel-covered wire.Above-mentioned multiply enamel-covered wire is twisted together by the multiple conducting wires body and constitutes a thicker wire body, on wire body, puts resistant to elevated temperatures insulating sheath then.
Can make this solidification equipment form stronger alternating magnetic field through above-mentioned resistant to elevated temperatures multiply enamel-covered wire, thereby improve the efficiency of heating surface and the solidification effect of this solidification equipment widely.
When its winding direction of lead on the electromagnetic induction post that is made up of U-shaped magnetic core or E shape magnetic core is identical; The polarity of adjacent electromagnetic induction post is identical; Adjacent electromagnetic induction post produces the magnetic field of equidirectional, so, the alternating magnetic field that a plurality of electromagnetic induction coils of serial connection produce; The metal can body that its magnetic line of force is vertical, concentrated, pointed to equably process; Therefore, a plurality of electromagnetic induction coils of serial connection can produce stronger alternating magnetic field, thereby have further improved the efficiency of heating surface and the solidification effect of this solidification equipment;
When its winding direction of lead on the electromagnetic induction post that is made up of U-shaped magnetic core or E shape magnetic core is opposite; The polarity of adjacent electromagnetic induction post is opposite, and adjacent electromagnetic induction post produces rightabout magnetic field, owing to the magnetic field that both direction is opposite is adjacent one another are; So; The alternating magnetic field that a plurality of electromagnetic induction coils of serial connection produce, the magnetic line of force of the metal can body of its sensing process is more concentrated, therefore; A plurality of electromagnetic induction coils of serial connection can produce stronger alternating magnetic field, thereby have further improved the efficiency of heating surface and the solidification effect of this solidification equipment.
When the winding direction of U-shaped magnetic core or its adjacent shoulder upper conductor of E shape magnetic core is identical; The polarity of U-shaped magnetic core or its adjacent arm of E shape magnetic core is opposite, and U-shaped magnetic core or its adjacent arm of E shape magnetic core produce rightabout magnetic field, owing to the magnetic field that both direction is opposite is adjacent one another are; So; The magnetic line of force of the metal can body of its sensing process of alternating magnetic field is more concentrated, thereby makes alternating magnetic field become stronger, has further improved the efficiency of heating surface and the solidification effect of this solidification equipment;
When the winding direction of U-shaped magnetic core or its adjacent shoulder upper conductor of E shape magnetic core was opposite, in the electromagnetic induction post that is made up of U-shaped magnetic core or E shape magnetic core, the polarity of adjacent electromagnetic induction post was opposite; Adjacent electromagnetic induction post produces rightabout magnetic field; Because the magnetic field that both direction is opposite is adjacent one another are, so the magnetic line of force of the metal can body of its sensing process of alternating magnetic field is more concentrated; Thereby make alternating magnetic field become stronger, further improved the efficiency of heating surface and the solidification effect of this solidification equipment.
The utility model beneficial effect against existing technologies is:
Because this solidification equipment comprises magnetic core support, lead and inverter, above-mentioned magnetic core support is formed by fixedly connecting a plurality of coiling unit from beginning to end; Above-mentioned lead is wrapped on the coiling unit, and the two ends of above-mentioned lead are connected with inverter; The above-mentioned magnetic core shelf-like that is wound with a lead becomes a plurality of electromagnetic induction coils of serial connection; And the Q value of a plurality of electromagnetic induction coils of above-mentioned serial connection can be done very highly; So; The caloric value of a plurality of electromagnetic induction coils self of above-mentioned serial connection is little, standby current is very low, and therefore, the thermal losses of this solidification equipment is low, power consumption is little; On-line velocity is to test on the conveyer of 50m/min, the power consumption of this solidification equipment be merely 10 degree/hour, than adopting the long strip type induction coil to practice thrift half more than the power consumption, its energy-saving effect is obvious.
During use, with the throughput direction setting of magnetic core support along the metal can body, simultaneously, a plurality of electromagnetic induction coils that make serial connection are perpendicular to metal can body and corresponding with the weld seam of metal can body; Because the two ends of above-mentioned lead are connected with inverter, so, when above-mentioned lead and inverter connection; Above-mentioned inverter is generally exported the oscillating current of 20KHz～80KHz, and in fact, the power of above-mentioned inverter can be regulated by actual needs; Like this, a plurality of electromagnetic induction coils of the serial connection that is formed by the magnetic core support that is wound with a lead just can produce alternating magnetic field, and the alternating magnetic field that a plurality of electromagnetic induction coils of serial connection produce; The place of metal can body process can be concentrated, pointed to equably to its magnetic line of force; Therefore, this solidification equipment can make the commissure evenly heating apace of the metal can body of process, thereby makes metal can body weld seam coating thermally equivalent and solidify; Thereby the efficiency of heating surface of this solidification equipment is high, solidification effect is good, is particularly suitable for being heating and curing than the bead weld coating.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment 1;
Fig. 2 is the structural representation of the utility model preferred embodiment 2;
Fig. 3 is the structural representation of the utility model preferred embodiment 3;
Fig. 4 is the structural representation of the utility model preferred embodiment 4.
The specific embodiment
Embodiment 1
As shown in Figure 1, the solidification equipment of metal can body weld seam coating in this preferred embodiment comprises magnetic core support 1, a lead 2 and an inverter 3;
Above-mentioned magnetic core support 1 comprises i.e. nine the U-shaped magnetic cores 11,12,13,14,15,16,17,18,19 of nine coiling unit; Above-mentioned nine U-shaped magnetic cores 11,12,13,14,15,16,17,18,19 constitute by the high magnetic conductivity ferrite material that adds rare earth oxide;
The all rectangular shape in the cross section of the arm of above-mentioned nine U-shaped magnetic cores 11,12,13,14,15,16,17,18,19;
Shoulder 110,120,130,140,150,160,170,180,190 in-lines of above-mentioned nine U-shaped magnetic cores 11,12,13,14,15,16,17,18,19 are mutually permanently connected with arranging and constitute magnetic core support 1; The end arm of end U-shaped magnetic core 11,19 constitutes an electromagnetic induction post 011,019 respectively; The adjacent arm of adjacent two U-shaped magnetic cores is fixedly connected and constitutes an electromagnetic induction post; Below be that example is introduced only with adjacent two U-shaped magnetic cores 11,12; The structure of other adjacent two U-shaped magnetic cores and annexation can be with reference to adjacent two U-shaped magnetic cores, 11,12 structure and annexations; The adjacent arm 111,121 of adjacent two U-shaped magnetic cores 11,12 is fixedly connected and constitutes an electromagnetic induction post 112; Like this, on the above-mentioned magnetic core support 1 electromagnetic induction post 011,112,123,134,145,156,167,178,189,019 is arranged just;
Above-mentioned lead 2 adopts resistant to elevated temperatures multiply enamel-covered wire, and above-mentioned multiply enamel-covered wire is twisted together by the multiple conducting wires body and constitutes a thicker wire body, on wire body, puts resistant to elevated temperatures insulating sheath then;
Above-mentioned lead 2 is wrapped on the electromagnetic induction post 011,112,123,134,145,156,167,178,189,019 that is made up of U-shaped magnetic core 11,12,13,14,15,16,17,18,19, and lead 2 its winding directions on adjacent two electromagnetic induction posts 011 and 112,112 and 123,123 and 134,134 and 145,145 and 156,156 and 167,167 and 178,178 and 189,189 and 019 are opposite;
The two ends of above-mentioned lead 2 are connected with inverter 3, and the two ends of promptly above-mentioned lead 2 are installed in respectively on two binding posts of inverter 3;
Above-mentioned inverter 3 is a prior art, does not just remake further introduction at this.
During use; With the throughput direction setting of magnetic core support 1 along metal can body 4; The i.e. direction setting shown in the solid arrow in Fig. 1; The throughput direction of the direction indication metal can body 4 of solid arrow among Fig. 1 simultaneously, makes electromagnetic induction post 011,112,123,134,145,156,167,178,189,019 perpendicular to metal can body 4 and corresponding with the weld seam 40 of metal can body 4;
An above-mentioned electromagnetic induction post that is wound with lead 2 constitutes an electromagnetic induction coil; The above-mentioned many electromagnetic induction posts 011,112,123,134,145,156,167,178,189,019 that are wound with lead 2 just constitute a plurality of electromagnetic induction coils of serial connection; And the Q value of a plurality of electromagnetic induction coils of serial connection can be done very highly, and simultaneously, the operating frequency of above-mentioned electromagnetic induction coil is generally between 20KHz～80KHz; So; The caloric value of a plurality of electromagnetic induction coils self of above-mentioned serial connection is little, standby current is very low, and therefore, the thermal losses of this solidification equipment is low, power consumption is little;
When lead 2 is connected with inverter 3, the oscillating current of above-mentioned inverter 3 general output 20KHz～80KHz, in fact; The power of above-mentioned inverter 3 can be regulated by actual needs; Like this, a plurality of electromagnetic induction coils of the serial connection that is made up of the electromagnetic induction post that is wound with lead 2 011,112,123,134,145,156,167,178,189,019 just can produce very strong alternating magnetic field; The place of metal can body 4 weld seams 40 processes is concentrated, pointed to equably to the magnetic line of force of above-mentioned alternating magnetic field; Therefore, this solidification equipment can make the commissure evenly heating apace of the metal can body of process, thus make metal can body weld seam coating fast, thermally equivalent and solidifying; Thereby the efficiency of heating surface of this solidification equipment is high, solidification effect is good, is particularly suitable for being heating and curing than the bead weld coating;
Simultaneously; Because lead 2 its winding directions on adjacent two electromagnetic induction posts 011 and 112,112 and 123,123 and 134,134 and 145,145 and 156,156 and 167,167 and 178,178 and 189,189 and 019 are opposite; So; The polarity that adjacent two electromagnetic induction posts 011 and 112,112 and 123,123 and 134,134 and 145,145 and 156,156 and 167,167 and 178,178 and 189,189 and 019 produce is opposite; Adjacent two electromagnetic induction posts 011 and 112,112 and 123,123 and 134,134 and 145,145 and 156,156 and 167,167 and 178,178 and 189,189 and 019 produce rightabout magnetic field, and shown in dotted arrow among Fig. 1, dotted arrow is represented the direction of the magnetic line of force among Fig. 1; Therefore; The magnetic line of force that a plurality of electromagnetic induction coils of serial connection produce concentrates on the place of metal can body weld seam 40 processes equably, thereby forms stronger alternating magnetic field, has further improved the efficiency of heating surface and the solidification effect of this solidification equipment.
As shown in Figure 2; Lead 2 among the embodiment 2 is wrapped on the shoulder 110,120,130,140,150,160,170,180,190 of nine U-shaped magnetic cores 11,12,13,14,15,16,17,18,19, and the winding direction of adjacent shoulder 110 and 120,120 and 130,130 and 140,140 and 150,150 and 160,160 and 170,170 and 180,180 and 190 upper conductors 2 is opposite; The U-shaped magnetic core 11,12,13,14,15,16,17,18,19 that is wound with lead 2 on the above-mentioned shoulder 110,120,130,140,150,160,170,180,190 constitutes a plurality of electromagnetic induction coils of serial connection.
Embodiment 3
Embodiment 3 and embodiment 1 are basic identical, and both are difference:
As shown in Figure 3; Magnetic core support 1 comprises i.e. four the E shape magnetic cores 21,22,23,24 of four coiling unit among the embodiment 3; The shoulder 211 and 212 of above-mentioned E shape magnetic core 21,22,23,24,221 and 222,231 and 232,241 and 242 in-lines are arranged, and the shoulder 232 of the shoulder 222 of the shoulder 212 of above-mentioned E shape magnetic core 21 and the shoulder 221 of E shape magnetic core 22, E shape magnetic core 22 and the shoulder 231 of E shape magnetic core 23, E shape magnetic core 23 is mutually permanently connected with the shoulder 241 of E shape magnetic core 24 and constitutes magnetic core support 1;
The end arm of above-mentioned end E shape magnetic core 21 constitutes an electromagnetic induction post 01; The intermediate arm portion of above-mentioned E shape magnetic core 21,22,23,24 constitutes electromagnetic induction post 02,04,06,08 respectively, and the end arm of above-mentioned end E shape magnetic core 24 constitutes an electromagnetic induction post 09;
The adjacent arm 213,223 of above-mentioned adjacent two E shape magnetic cores 21,22 is fixedly connected and constitutes an electromagnetic induction post 03;
The adjacent arm 224,233 of above-mentioned adjacent two E shape magnetic cores 22,23 is fixedly connected and constitutes an electromagnetic induction post 05;
The adjacent arm 233,243 of above-mentioned adjacent two E shape magnetic cores 23,24 is fixedly connected and constitutes an electromagnetic induction post 07;
Like this, above-mentioned four E shape magnetic cores 21,22,23,24 have just constituted electromagnetic induction post 01,02,03,04,05,06,07,08,09;
Embodiment 4
Embodiment 4 and embodiment 3 are basic identical, and both are difference:
As shown in Figure 4; Lead 2 among the embodiment 4 is wrapped on the shoulder 211,212,221,222,231,232,241,242 of four E shape magnetic cores 21,22,23,24, and the winding direction of adjacent shoulder 211 and 212,212 and 221,221 and 222,222 and 231,231 and 232,232 and 241,241 and 242 upper conductors 2 is opposite; The E shape magnetic core 21,22,23,24 that is wound with lead 2 on the above-mentioned shoulder 211,212,221,222,231,232,241,242 constitutes a plurality of electromagnetic induction coils of serial connection.
The content of the above specific embodiment is merely the preferred embodiment of the utility model, and above-mentioned preferred embodiment is not the practical range that is used for limiting the utility model; Every various equivalents of making according to the protection domain of its claim of the utility model are all covered by the protection domain of its claim of the utility model.
Claims (10)
1. the solidification equipment of a metal can body weld seam coating is characterized in that: comprise magnetic core support, lead and inverter, above-mentioned magnetic core support is formed by fixedly connecting a plurality of coiling unit from beginning to end; Above-mentioned lead is wrapped on the coiling unit, and the two ends of above-mentioned lead are connected with inverter; The above-mentioned magnetic core shelf-like that is wound with a lead becomes a plurality of electromagnetic induction coils of serial connection.
2. the solidification equipment of metal can body weld seam coating according to claim 1; It is characterized in that: said coiling unit adopts the U-shaped magnetic core; The shoulder in-line of above-mentioned U-shaped magnetic core is mutually permanently connected with arranging and constitutes the magnetic core support; The end arm of end U-shaped magnetic core constitutes an electromagnetic induction post, and the adjacent arm of adjacent two U-shaped magnetic cores is fixedly connected and constitutes an electromagnetic induction post.
3. the solidification equipment of metal can body weld seam coating according to claim 2 is characterized in that: said lead is wrapped on the electromagnetic induction post that is made up of the U-shaped magnetic core, and the winding direction of adjacent electromagnetic induction post upper conductor is identical or opposite; An above-mentioned electromagnetic induction post that is wound with lead constitutes an electromagnetic induction coil, and above-mentioned many electromagnetic induction posts that are wound with a lead constitute a plurality of electromagnetic induction coils of serial connection.
4. the solidification equipment of metal can body weld seam coating according to claim 2 is characterized in that: said lead is wrapped on the shoulder of U-shaped magnetic core, and the winding direction of adjacent shoulder upper conductor is identical or opposite; The U-shaped magnetic core that is wound with lead on the above-mentioned shoulder constitutes a plurality of electromagnetic induction coils of serial connection.
5. the solidification equipment of metal can body weld seam coating according to claim 2 is characterized in that: the rectangular shape in the cross section of the arm of said U-shaped magnetic core.
6. the solidification equipment of metal can body weld seam coating according to claim 1; It is characterized in that: said coiling unit adopts E shape magnetic core; The shoulder in-line of above-mentioned E shape magnetic core is mutually permanently connected with arranging and constitutes the magnetic core support; The middle arm of above-mentioned E shape magnetic core constitutes an electromagnetic induction post, and the end arm of end E shape magnetic core constitutes an electromagnetic induction post, and the adjacent arm of adjacent two E shape magnetic cores is fixedly connected and constitutes an electromagnetic induction post.
7. the solidification equipment of metal can body weld seam coating according to claim 6 is characterized in that: said lead is wrapped on the electromagnetic induction post that is made up of E shape magnetic core, and the winding direction of adjacent electromagnetic induction post upper conductor is identical or opposite; An above-mentioned electromagnetic induction post that is wound with lead constitutes an electromagnetic induction coil, and above-mentioned many electromagnetic induction posts that are wound with a lead constitute a plurality of electromagnetic induction coils of serial connection.
8. the solidification equipment of metal can body weld seam coating according to claim 6 is characterized in that: said lead is wrapped on the shoulder of E shape magnetic core, and the winding direction of adjacent shoulder upper conductor is identical or opposite; The E shape magnetic core that is wound with lead on the above-mentioned shoulder constitutes a plurality of electromagnetic induction coils of serial connection.
9. the solidification equipment of metal can body weld seam coating according to claim 6 is characterized in that: the rectangular shape in cross section of the arm of said E shape magnetic core.
10. according to the solidification equipment of each described metal can body weld seam coating in the claim 1 to 9, it is characterized in that: said lead adopts resistant to elevated temperatures multiply enamel-covered wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203406288U CN202238593U (en) | 2011-09-06 | 2011-09-06 | Curing device for weld-seam coatings of metal tank body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203406288U CN202238593U (en) | 2011-09-06 | 2011-09-06 | Curing device for weld-seam coatings of metal tank body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202238593U true CN202238593U (en) | 2012-05-30 |
Family
ID=46099897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203406288U Expired - Fee Related CN202238593U (en) | 2011-09-06 | 2011-09-06 | Curing device for weld-seam coatings of metal tank body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202238593U (en) |
-
2011
- 2011-09-06 CN CN2011203406288U patent/CN202238593U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203871141U (en) | Double-water-cooling high-frequency single-phase transformer | |
| CN102423751A (en) | Solidification device for welding seam coating of metal can body | |
| CN202562006U (en) | Induction heating coil for instant electromagnetic water heater | |
| WO2013078845A1 (en) | Single phase transformer | |
| CN105428045A (en) | High-frequency water-cooled transformer | |
| CN202238593U (en) | Curing device for weld-seam coatings of metal tank body | |
| CN103547000A (en) | Alternating-current positive and negative twisted pair non-magnetic heating method | |
| CN204116587U (en) | The big current synthesis loop of electronic current mutual inductor | |
| CN202695100U (en) | Structure of main transformer consisting of multiple transformers in inverse power supply | |
| CN102374356A (en) | Internal heating device for weak magnetic pipeline or non-magnetic pipeline and assembling method | |
| CN104166117A (en) | High-current synthesis circuit of electronic current transformer | |
| CN201984951U (en) | Current transformer component for small current | |
| CN201417664Y (en) | Medium-high frequency transformer for high and low tension coil | |
| CN101983823A (en) | Welding device and welding method of solar component bus bars | |
| CN2869689Y (en) | Electromagnetic immediate-heating type fluid heater | |
| CN203775436U (en) | Alternating-current positive and negative twisted-pair non-magnetic heating device | |
| CN203910474U (en) | Low-temperature-rise and high-power inductor | |
| CN203076748U (en) | Reinforced type high-frequency welding equipment for welding electric wire conductor on connector | |
| CN205376276U (en) | High frequency water -cooled transformer | |
| CN106353704A (en) | System and Method for Magnetic Characterization of Induction Heating Wires | |
| CN201818953U (en) | Internal heating device for weak magnetic pipe or nonmagnetic pipe | |
| CN206293279U (en) | Commutation inductance and the intermediate frequency power supply equipment containing the commutation inductance | |
| CN104183378A (en) | Three-phase transformer with coils arranged in shape like Chinese character 'pin' | |
| CN203343574U (en) | Magnetic discharge welding joint and magnetic discharge welding device comprising same | |
| CN202678089U (en) | Medium/high-power high-frequency current transformer applied to modular power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |