CN2710120Y - High-pressure transformer - Google Patents
High-pressure transformer Download PDFInfo
- Publication number
- CN2710120Y CN2710120Y CN 200420059301 CN200420059301U CN2710120Y CN 2710120 Y CN2710120 Y CN 2710120Y CN 200420059301 CN200420059301 CN 200420059301 CN 200420059301 U CN200420059301 U CN 200420059301U CN 2710120 Y CN2710120 Y CN 2710120Y
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- roll
- outside
- inboard
- iron core
- coil
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Abstract
The utility model relates to a high-voltage resistant transformer, comprising a spool, an iron core, a first coil and a secondary coil. The iron core is covered by the spool; the first coil and the secondary coil are wound on the spool. The capacitance between the first coil and the iron core is equal to the capacitance between the secondary coil and the iron core by the mode that the thickness of spool or the thickness of the iron core is reduced, and the materials that are different from the materials of the spool are filled between the spool and the iron core. Thus, the induced voltage of the iron core is half of the voltage on the secondary coil, the voltage differences of the induced voltage and the voltage on the first coil and the voltage of the secondary coil are minimum values, and therefore the withstanding voltage of the spool is improved.
Description
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of High-pressure transformer.
Background technology
Generally speaking, voltage, electric current or the adjustment impedance matching of transformer in order to adjust output is as power transformer, output transformer or input transformer etc.As shown in Figure 1a, traditional transformer 100 is by roll (bobbin) 101, at least one primary coil 102, at least one secondary coil 103 and 104 formations of iron core (core), and its profile is shown in Fig. 1 b, the zone of roll 101 and primary coil 102 contacts is inboard preliminary area 106 for outside preliminary area 105 in the inboard of roll 101 and outside preliminary area 105 relative zones, and iron core 104 parts that centered on by inboard preliminary area 106 are elementary core space 107.Same, the part that roll 101 contacts with secondary coil 103 is secondary district 108, the outside, and 108 relative zones, secondary district are inboard secondary district 109 in roll 101 inboards and the outside, and iron core 104 parts that centered on by secondary district 109, inboard are secondary core space 110.Its operation principle is: after alternating current is inputed to primary coil 102, just can produce the flux with primary coil 102 and 103 one-tenth orthogonals of secondary coil in iron core 104; Utilize this flux, produce voltage at secondary coil 103, and this voltage is directly proportional with the number of turns of secondary coil 103.Generally speaking, the voltage of primary coil 102 is low pressure, and the voltage of secondary coil 103 is high pressure.
Yet such structure but exists withstand voltage problem.Because the area that the area that primary coil 102 is contained is contained than secondary coil 103 is big, therefore the voltage of iron core 104 is far below 1/2 of the voltage of secondary coil 103, so pressure reduction is bigger, can causes the structural damage of roll 101, and make the withstand voltage deficiency of roll 101; Under the high more situation of voltage, this kind situation can be serious more.In order to address this problem, it is the thickness that increases the roll 101 that secondary coil 103 centered on that a kind of practice is arranged in conventional art, as shown in Figure 2; Yet such practice is also desirable not to the utmost, because not only increased cost, has more increased the size of transformer, has run counter to the trend of element microminiaturization.
Therefore, be necessary to develop and a kind of new-type transformer, to overcome above-mentioned problem.
Summary of the invention
As previously mentioned, the purpose of this utility model provides a kind of High-pressure transformer, thickness by reducing roll or iron core is also inserted the material different with the material of roll to the mode between roll and the iron core, make electric capacity between primary coil and the elementary core space equal electric capacity between secondary coil and the secondary core space, and the voltage that makes iron core be on the secondary coil voltage 1/2, and reduce the pressure reduction that roll bore, and then improve the withstand voltage of transformer.
Therefore, the utility model provides a kind of High-pressure transformer, comprises a roll, an iron core, at least one primary coil and at least one secondary coil.Roll coats iron core, primary coil and secondary coil are centered around on the roll, the part that the outside of roll contacts with primary coil is an outside preliminary area, and the inboard part relative with outside preliminary area of roll is inboard preliminary area, is elementary core space by the iron core outside that inboard preliminary area coated.Same, the part that the outside of roll contacts with secondary coil is secondary district, the outside, and the inboard part relative with secondary district, the outside of roll is inboard secondary district, is secondary core space by the iron core outside that secondary district, inboard coated.
This High-pressure transformer is characterised in that, on this roll or this iron core, has the part that thickness reduces, and between this roll and this iron core, be filled with the material different with the material of this roll, electric capacity between primary coil and the elementary core space equals the electric capacity between secondary coil and the secondary core space, the voltage of iron core be on the secondary coil voltage 1/2.
In addition, the part of described thickness minimizing can be on this roll between this at least one outside preliminary area and this at least one inboard preliminary area; Simultaneously, between this at least one inboard preliminary area and this at least one elementary core space, be formed with the gap, and in this gap, be filled with the described other materials different with the material of this roll, make electric capacity between primary coil and the elementary core space equal electric capacity between secondary coil and the secondary core space.
As mentioned above, the part that reduces of described thickness also can be positioned on this iron core that this at least one elementary core space coats; Simultaneously, between this at least one inboard preliminary area and this at least one elementary core space, be formed with the gap, and in this gap, be filled with the described other materials different with the material of this roll, make electric capacity between primary coil and the elementary core space equal electric capacity between secondary coil and the secondary core space.
Can also between this at least one outside preliminary area and this at least one inboard preliminary area, be provided with the gap of reservation, and in this gap, be filled with the other materials different with the material of this roll, make electric capacity between primary coil and the elementary core space equal electric capacity between secondary coil and the secondary core space.
It should be noted that and freely to adjust above-mentioned structure, and the induced voltage of iron core is adjusted to required value.
Therefore,, not only can under the prerequisite that cost does not increase, make transformer have preferable resistance to pressure, can also freely adjust the induced voltage of iron core by changing the mode of internal capacitance according to aforesaid structure.
Description of drawings
Fig. 1 a has shown the vertical view of traditional transformer;
Fig. 1 b has shown the profile of traditional transformer;
Fig. 2 has shown the profile of traditional transformer;
Fig. 3 has shown the schematic diagram of the formed stray capacitance of structure of traditional transformer;
Fig. 4 has shown first preferred embodiment of High-pressure transformer of the present utility model;
Fig. 5 has shown second preferred embodiment of High-pressure transformer of the present utility model; And
Fig. 6 has shown the 3rd preferred embodiment of High-pressure transformer of the present utility model.
Embodiment
Below will describe content of the present utility model and preferred embodiment in detail by accompanying drawing.
Fig. 3 is the inside stray capacitance schematic diagram of the transformer shown in Fig. 1 a and Fig. 1 b.As shown in the figure, exist a plurality of elementary electric capacity 301 between primary coil 102 and the iron core 104, and exist a plurality of secondary capacitance 302 between secondary coil 103 and the iron core 104.By galvanomagnetic effect, the size of these electric capacity will influence the induced voltage of iron core 104, and with reference to figure 1a and Fig. 1 b, elementary electric capacity 301 is formed by the structure between primary coil 102 and the elementary core space 107; Same, secondary capacitance 302 is formed by the structure between secondary coil 103 and the secondary core space 110.The utility model is to change elementary electric capacity 301 or secondary capacitance 302 by the mode that changes these structures or its material.
Fig. 4 has shown first preferred embodiment of the present utility model.As shown in Figure 4, the difference of itself and structure shown in Figure 2 is the thinner thickness between outside preliminary area 105 and the inboard preliminary area 106, therefore between inboard preliminary area 106 and elementary core space 107, form a gap 401, air can be inserted in gap 401, or insert the different material of capacitive character and roll 101, utilize capacitive difference and coil to contain the difference of area, make the electric capacity between secondary coil 103 and the secondary core space 110 identical with electric capacity between primary coil 102 and the elementary core space 107, and make the induced voltage of iron core 104 be on the secondary coil 103 voltage 1/2.So, the pressure reduction that roll 101 bore is for minimum, just can not make destructurizedly when high pressure because of pressure reduction, and transformer 100 can have voltage endurance capability preferably.
Fig. 5 has shown second preferred embodiment of the present utility model, identical with first embodiment, its structure is similar to Fig. 2, difference is between outside preliminary area 105 and the inboard preliminary area 106 gap 501 is arranged, this gap 501 can be inserted air or the other materials different with the material of roll 101, utilize capacitive difference and coil to contain the difference of area, make electric capacity and the electric capacity between primary coil 102 and the elementary core space 107 between secondary coil 103 and the secondary core space 110 identical, so make the induced voltage of iron core 104 be on the secondary coil 103 voltage 1/2.
Fig. 6 has shown the 3rd preferred embodiment of the present utility model, identical with first embodiment, its structure is similar to Fig. 2, difference is the thinner thickness of elementary core space 107, therefore form gap 601 in inboard preliminary area 106 and 107 of elementary core spaces, can insert air or the other materials different in the gap 601 with the material of roll 101, utilize capacitive difference and coil to contain the difference of area, make that electric capacity and the electric capacity between primary coil 102 and the elementary core space 107 between secondary coil 103 and the secondary core space 110 are identical, and make the induced voltage of iron core 104 be on the secondary coil 103 voltage 1/2.
And, by the structure of aforesaid first to the 3rd preferred embodiment, can also freely adjust roll 101 or iron core 104 thickness, gap 401～601 size or insert the material in gap 401～601.And make the electric capacity between primary coil 102 and the elementary core space 107 is a predetermined value, so can freely adjust the induced voltage of iron core 104.
It should be noted that, though aforesaid first to the 3rd preferred embodiment all is the structure that changes between outside preliminary area 105 and the elementary core space 107, same structure also can be used between secondary district 108, the outside and the secondary core space 110, does not also take off spirit of the present utility model.
Though more than preferred embodiments more of the present utility model are explained, those skilled in the art is by aforesaid explanation and accompanying drawing, can make amendment, increase it and the change of equivalence.Therefore, anyly do not break away from spirit of the present utility model and scope and its modification of carrying out, increase, and equivalence change, all should be contained in the scope of the present utility model.
Claims (12)
1. High-pressure transformer, comprise a roll, one iron core, at least one primary coil and at least one secondary coil, wherein this at least one primary coil and at least one secondary coil are centered around on this roll, and this roll coats this iron core, the part that the outside of this roll contacts with this at least one primary coil is at least one outside preliminary area, and the inboard part relative with this at least one outside preliminary area of this roll is at least one inboard preliminary area, and be at least one elementary core space by the iron core outside that this at least one inboard preliminary area coated, the part that the outside of this roll contacts with this at least one secondary coil is secondary district, at least one outside, and the inboard part relative with this secondary district, at least one outside of this roll is secondary district, at least one inboard, the iron core outside that is coated by this secondary district, at least one inboard is at least one secondary core space, it is characterized in that:
On this roll or this iron core, have the part that thickness reduces, and between this roll and this iron core, be filled with the material different with the material of this roll; Electric capacity between this primary coil and this at least one elementary core space is a predetermined value, and the induced voltage of this iron core is a predetermined voltage.
2. High-pressure transformer as claimed in claim 1, wherein this predetermined value of this electric capacity is the capacitance between this secondary coil and this at least one secondary core space, and the value of this predetermined voltage be on this secondary coil magnitude of voltage 1/2.
3. High-pressure transformer as claimed in claim 1 or 2, the part that wherein said thickness reduces is on this roll between this at least one outside preliminary area and this at least one inboard preliminary area; Simultaneously, between this at least one inboard preliminary area and this at least one elementary core space, be formed with the gap, and in this gap, be filled with the described other materials different with the material of this roll.
4. High-pressure transformer as claimed in claim 1 or 2, the part that wherein said thickness reduces are positioned on this iron core that this at least one elementary core space coats; Simultaneously, between this at least one inboard preliminary area and this at least one elementary core space, be formed with the gap, and in this gap, be filled with the described other materials different with the material of this roll.
5. High-pressure transformer, comprise a roll, an iron core, at least one primary coil and at least one secondary coil, wherein this at least one primary coil and at least one secondary coil are centered around on this roll and this roll coats this iron core, the part that the outside of this roll contacts with this at least one primary coil is at least one outside preliminary area, and the inboard part relative with this at least one outside preliminary area of this roll is at least one inboard preliminary area, and is at least one elementary core space by the iron core outside that this at least one inboard preliminary area coated; Same, the part that the outside of this roll contacts with this at least one secondary coil is secondary district, at least one outside, and the inboard part relative with this secondary district, at least one outside of this roll is secondary district, at least one inboard, and be to it is characterized in that at least one secondary core space by the iron core outside that this secondary district, at least one inboard is coated:
Between this at least one outside preliminary area and this at least one inboard preliminary area, be provided with the gap of reservation, and in this gap, be filled with the other materials different with the material of this roll; Electric capacity between this primary coil and this at least one elementary core space is a predetermined value, and the induced voltage of this iron core is a predetermined voltage.
6. High-pressure transformer as claimed in claim 5, wherein this predetermined value of this electric capacity is the capacitance between this secondary coil and this at least one secondary core space, and the value of this predetermined voltage be on this secondary coil magnitude of voltage 1/2.
7. High-pressure transformer, comprise a roll, one iron core, at least one primary coil and at least one secondary coil, wherein this roll coats this iron core, the part that the outside of this roll contacts with this at least one primary coil is at least one outside preliminary area, and the inboard part relative with this at least one outside preliminary area of this roll is at least one inboard preliminary area, and be at least one elementary core space by the iron core outside that this at least one inboard preliminary area coated, the part that the outside of this roll contacts with this at least one secondary coil is secondary district, at least one outside, and the inboard part relative with this secondary district, at least one outside of this roll is secondary district, at least one inboard, the iron core outside that is coated by this secondary district, at least one inboard is at least one secondary core space, it is characterized in that:
This roll or this iron core have the part that thickness reduces, and are filled with the material different with the material of this roll between this roll and this iron core; Electric capacity between this secondary coil and this at least one secondary core space is a predetermined value, and the induced voltage of this iron core is a predetermined voltage.
8. High-pressure transformer as claimed in claim 7, wherein this predetermined value of this electric capacity is the capacitance between this primary coil and this at least one elementary core space, and the value of this predetermined voltage be on this secondary coil magnitude of voltage 1/2.
9. as claim 7 or 8 described High-pressure transformers, the part that wherein said thickness reduces is on this roll between this secondary district, at least one outside and this secondary district, at least one inboard; Simultaneously, between this secondary district, at least one inboard and this at least one secondary core space, form the gap, and in this gap, be filled with the described other materials different with the material of this roll.
10. as claim 7 or 8 described High-pressure transformers, the part that wherein said thickness reduces is positioned on this iron core that this at least one secondary core space coats; Simultaneously, between this secondary district, at least one inboard and this at least one secondary core space, be formed with the gap, and in this gap, be filled with the described other materials different with the material of this roll.
11. High-pressure transformer, comprise a roll, an iron core, at least one primary coil and at least one secondary coil, wherein this roll coats this iron core, the part that the outside of this roll contacts with this at least one primary coil is at least one outside preliminary area, and the inboard part relative with this at least one outside preliminary area of this roll is at least one inboard preliminary area, and is at least one elementary core space by the iron core outside that this at least one inboard preliminary area coated; Same, the part that the outside of this roll contacts with this at least one secondary coil is secondary district, at least one outside, and the inboard part relative with this secondary district, at least one outside of this roll is secondary district, at least one inboard, and be to it is characterized in that at least one secondary core space by the iron core outside that this secondary district, at least one inboard is coated:
Between this secondary district, at least one outside and this secondary district, at least one inboard, be provided with the gap of reservation, and in this gap, be filled with the other materials different with the material of this roll; Electric capacity between this secondary coil and this at least one secondary core space is a predetermined value, the induced voltage of this iron core is a predetermined voltage, and the voltage on this induced voltage and this at least one primary coil and the voltage difference of the voltage on this at least one secondary coil are certain value.
12. High-pressure transformer as claimed in claim 11, wherein this predetermined value of this electric capacity is the capacitance between this primary coil and this at least one elementary core space, and the value of this predetermined voltage be on this secondary coil magnitude of voltage 1/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059301 CN2710120Y (en) | 2004-05-24 | 2004-05-24 | High-pressure transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059301 CN2710120Y (en) | 2004-05-24 | 2004-05-24 | High-pressure transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2710120Y true CN2710120Y (en) | 2005-07-13 |
Family
ID=34851841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059301 Expired - Fee Related CN2710120Y (en) | 2004-05-24 | 2004-05-24 | High-pressure transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2710120Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464677A (en) * | 2017-08-17 | 2017-12-12 | 深圳市艾尔曼医疗电子仪器有限公司 | Insulation encapsulated single-phase high-voltage step-up transformer |
| WO2019033335A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳市艾尔曼医疗电子仪器有限公司 | Insulated and potted single-phase high-voltage booster transformer |
| CN110875688A (en) * | 2018-08-31 | 2020-03-10 | 群光电能科技股份有限公司 | Voltage converter for reducing common mode noise and method thereof |
-
2004
- 2004-05-24 CN CN 200420059301 patent/CN2710120Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464677A (en) * | 2017-08-17 | 2017-12-12 | 深圳市艾尔曼医疗电子仪器有限公司 | Insulation encapsulated single-phase high-voltage step-up transformer |
| WO2019033335A1 (en) * | 2017-08-17 | 2019-02-21 | 深圳市艾尔曼医疗电子仪器有限公司 | Insulated and potted single-phase high-voltage booster transformer |
| CN110875688A (en) * | 2018-08-31 | 2020-03-10 | 群光电能科技股份有限公司 | Voltage converter for reducing common mode noise and method thereof |
| CN110875688B (en) * | 2018-08-31 | 2020-11-17 | 群光电能科技股份有限公司 | Voltage converter for reducing common mode noise and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050713 Termination date: 20130524 |