CN102684321A - High-hydraulic chamber inside-outside noncontact electric power transmission system and transmission method thereof - Google Patents
High-hydraulic chamber inside-outside noncontact electric power transmission system and transmission method thereof Download PDFInfo
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- CN102684321A CN102684321A CN2012101397071A CN201210139707A CN102684321A CN 102684321 A CN102684321 A CN 102684321A CN 2012101397071 A CN2012101397071 A CN 2012101397071A CN 201210139707 A CN201210139707 A CN 201210139707A CN 102684321 A CN102684321 A CN 102684321A
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Abstract
The invention relates to a high-hydraulic chamber inside-outside noncontact electric power transmission system and a transmission method thereof. The system comprises a step-down transformer and a rectification-inversion module which is electrically connected with a secondary edge of the step-down transformer, wherein an output end of the rectification-inversion module is electrically connected with a primary edge of a loosely-coupled transformer, a secondary edge of the loosely-coupled transformer is electrically connected with a load through a rectification stabilizing module, the primary edge of the loosely-coupled transformer consists of one or more coils in parallel, and a coil assembly after the coils are connected in parallel is serially connected with a capacitor assembly consisting of a plurality of capacitor in serial connection. The transmission method comprises the steps of firstly converting the municipal power supply to the alternative-current power frequency voltage through the step-down transformer, then converting the alternative-current power frequency voltage to high-frequency alternating current through the rectification-inversion module, supplying the high-frequency alternating current into a primary coil of the loosely-coupled transformer, generating a common-frequency alternating magnetic field by the coil and transmitting the energy to the secondary edge through an austenitic stainless steel wall, converting the energy to an alternating current energy by the second edge, and converting the alternating current energy to an electric energy form which is suitable for the power consumption load inside the cavity body through the rectification stabilizing module; and the noncontact space transmission of the electric energy is realized, and the safe and stable power supply to a hydraulic chamber can be realized.
Description
Technical field
The present invention relates to the electric energy transmission system technical field, be specifically related to inside and outside non-contact type electric energy transmission system of a kind of high hydraulic chamber and transmission method thereof.
Background technology
Under abnormal test conditions such as high hydraulic pressure, traditional wired powering mode has received significantly restriction, and its fail safe and durability have received acid test, and it is following that electric leakage, wearing and tearing and maintenance cost are crossed problem such as height.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the object of the present invention is to provide inside and outside non-contact type electric energy transmission system of a kind of high hydraulic chamber and transmission method thereof, transmission system of the present invention and transmission method thereof; Electric energy is converted into the magnetic field energy that can transmit through the space, is delivered into cavity space inside, again the conversion through form of energy; Be converted into corresponding electric energy form; Supply with and use electric loading, realized the parting power supply, solved the problem that wired powering mode is restricted; Also make the aesthetic property of system, sealing is improved.
In order to achieve the above object, the technical scheme that the present invention adopted is:
The inside and outside non-contact type electric energy transmission system of a kind of high hydraulic chamber; Comprise step-down transformer 2; The power supply 1 that is electrically connected with step-down transformer 2 former limits; With rectification-inversion module 3 that step-down transformer 2 secondary are electrically connected, the former limit 4 of the output of rectification-inversion module 3 and loosely coupled transformer 4-6 is electrically connected, and the secondary 6 of loosely coupled transformer is electrically connected through rectifying and voltage-stabilizing module 15 and load 7; The former limit 4 of said loosely coupled transformer 4-6 is to be composed in parallel by a coil 8 or a plurality of coil 8; Coil 8 is made up of multiturn first enamelled wire 10 of ferrite iron core 14 and coiling on it, and the capacitance group 13 that a plurality of electric capacity phase connection in series-parallel of coil groups after the parallel connection and different capacitances are formed is in series, and secondary 6 is made up of multiturn second enamelled wire 11 of a plurality of ferrite bars 9 and coiling on it.
Said coil 8 is the U type.
When the chamber that uses native system when being cylindrical, leave the gap mutually between the U type bottom of said a plurality of coils 8, make 8 of coils be in predetermined angle 12.
Said angle 12 is 10～30 °.
Said ferrite iron core 14 is a PC-40 Mn-Zn ferrite iron core, relative permeability μ
rBe 2300.
The rectifying part of said rectification-inversion module 3 is directly used ready-made rectification module, and the zero-voltage current soft-switching inversion circuit by the phase-shift type control voltage of UC3875 chip controls is partly adopted in inversion, and reverse frequency is chosen 25KHz, and voltage effective value is 50V.
The transmission method of the inside and outside non-contact type electric energy transmission system of said high hydraulic chamber; Said power supply 1 becomes AC power frequency voltage through step-down transformer 2 earlier; Rectifying part through rectification-inversion part 3 becomes direct current energy again; Be high-frequency alternating current through the inversion part with dc inverter with direct current energy again; Feed high-frequency alternating current in former limit 4 coils of loosely coupled transformer 4-6 then; Coil produce with alternating magnetic field frequently and through austenitic stainless steel wall 5 to the emission of secondary 6 directions, secondary 6 converts the alternating magnetic field that receives into AC energy, carries out rectification, filtering, voltage stabilizing through rectifying and voltage-stabilizing module 15 again and converts the electric energy form that is fit in the cavity with electric loading into.
Described high-frequency alternating current is 25KHz.
The present invention compares with prior art, has following beneficial effect:
1, transmission system of the present invention and transmission method thereof are converted into electric energy can be delivered into cavity space inside through the magnetic field energy of space transmission; Through the conversion of form of energy, be converted into corresponding electric energy form again, supply with and use electric loading; Realized the parting power supply; Solved the problem that wired powering mode is restricted, also made the aesthetic property of system, sealing is improved.
2, coil 8 adopts U sections core to help to form field circuit, improves the magnetic field utilance, thereby improves the energy transmission efficiency of whole system.
3, leave the gap mutually between the U type of a plurality of coils 8 bottom, make 8 of coils be in predetermined angle, the relative position between the coil makes the magnetic field of emission farthest received by secondary to guarantee that efficiency of transmission the best is a criterion.
4, the Mn-Zn ferrite is the special-purpose iron core of high frequency transformer, and its suitable frequency is higher than the unskilled labor frequency power transformer and use iron core, and with iron core for, its eddy current loss is littler with respect to Industrial Frequency Transformer, uses under the suitable more and high frequency environment; Relative permeability is high, can be so that the exciting current on former limit and the number of turn all suitably reduce, thus reduce cost and reduction difficulty.
5, the UC3875 chip is the widely used chip of phase shift control full-bridge circuit, and it has and can the phase place of full-bridge switch be moved, and realizes fixed pulse width modulation controlled frequently; The use of zero-voltage current soft switch technique can significantly reduce the switching loss of thyristor, improves pipe useful life, reduces energy loss, improves conversion efficiency; The selection of the voltage effective value of 50V is to be complementary with primary impedance, makes that exciting current is suitable value, thereby makes iron core be operated in rational thorn conduction scope.
6, the conversion frequency of 25KHz had both effectively improved the aerial density of energy, was unlikely to again because the too high excessive situation about can not mate with other equipment that reaches of switching loss that causes of frequency.
7, this kind transmission method had both guaranteed the wireless transmission of energy, can make the fail safe of whole system again, and aesthetic property effectively improves.
Description of drawings
Fig. 1 is an invention system configuration sketch map.
Fig. 2 is the structural representation of loosely coupled transformer of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done more detailed explanation.
As shown in Figure 1; The inside and outside non-contact type electric energy transmission system of a kind of high hydraulic chamber of the present invention; Comprise rectification-inversion module 3 that power supply 1 that step-down transformer 2 and step-down transformer 2 former limits are electrically connected and step-down transformer 2 secondary are electrically connected; The former limit 4 of the output of rectification-inversion module 3 and loosely coupled transformer 4-6 is electrically connected, and the secondary 6 of loosely coupled transformer is electrically connected through rectifying and voltage-stabilizing module 15 and load 7.
As shown in Figure 2; The former limit 4 of said loosely coupled transformer 4-6 is to be composed in parallel by a coil 8 or a plurality of coil 8; Concrete quantity and disposing way depend on concrete requirement of engineering, and present embodiment is composed in parallel by 2 coils 8, coil 8 by ferrite iron core 14 with its on the diameter of coiling be that first enamelled wire 10 of 0.5mm, the tight coiling of 100 circle individual layers is formed; Present embodiment ferrite iron core 14 is a PC-40 Mn-Zn ferrite iron core, relative permeability μ
rBe 2300, the capacitance group 13 that a plurality of electric capacity phase connection in series-parallel of coil groups after the parallel connection and different capacitances are formed is in series, and secondary 6 is 2.5mm by a plurality of height, and diameter is 3mm, relative permeability μ
rTo be 2000 ferrite bar 9 go up tight coiling diameter with it is that second enamelled wire 11 of 0.23mm, 330 circles is formed, because the space of secondary 6 is narrow and small, therefore, a plurality of ferrite bars 9 of secondary 6 employings.
The preferred coil 8 of present embodiment is the U type.
When the chamber that uses native system was cylindrical, the U type of said a plurality of coils 8 left the gap mutually between the bottom, makes 8 of coils be in 10～30 ° angle 12.
The rectifying part of rectification-inversion module 3 is directly used ready-made rectification module, and the zero-voltage current soft-switching inversion circuit by the phase-shift type control voltage of UC3875 chip controls is partly adopted in inversion, and reverse frequency is chosen 25KHz, and voltage effective value is 50V.
The inside and outside non-contact type electric energy transmission method of the high hydraulic chamber of the present invention; 220V, 50Hz civil power are become suitable AC power frequency voltage through step-down transformer 2 earlier; Rectifying part through rectification-inversion part 3 becomes direct current energy again; Again direct current energy is become 50V, 25KHz high-frequency alternating current through the inversion Partial Inverse; Feed 50V, 25KHz high-frequency alternating current in former limit 4 coils of loosely coupled transformer 4-6 then; Coil produce with alternating magnetic field frequently and through austenitic stainless steel wall 5 to the emission of secondary 6 directions, secondary 6 converts the alternating magnetic field that receives into AC energy, carries out rectification, filtering, voltage stabilizing through rectifying and voltage-stabilizing module 15 again and converts the electric energy form that is fit in the cavity with electric loading into.
Claims (8)
1. the inside and outside non-contact type electric energy transmission system of a high hydraulic chamber; Comprise step-down transformer (2); And the power supply (1) that is electrically connected of the former limit of step-down transformer (2); And rectification-inversion module (3) of being electrically connected of step-down transformer (2) secondary; It is characterized in that: the former limit (4) of the output of rectification-inversion module (3) and loosely coupled transformer (4-6) is electrically connected; The secondary of loosely coupled transformer (6) is electrically connected through rectifying and voltage-stabilizing module (15) and load (7), and the former limit of said loosely coupled transformer (4-6) (4) is to be composed in parallel by a coil (8) or a plurality of coil (8), and coil (8) is made up of multiturn first enamelled wire (10) of ferrite iron core (14) and coiling on it; The capacitance group (13) that a plurality of electric capacity phase connection in series-parallel of coil groups after the parallel connection and different capacitances are formed is in series, and secondary (6) is by multiturn second enamelled wire 11 of a plurality of ferrite bars (9) and coiling on it) form.
2. transmission system according to claim 1 is characterized in that: said coil (8) is the U type.
3. transmission system according to claim 2 is characterized in that: when the chamber that uses native system when being cylindrical, leave the gap mutually between the U type bottom of said a plurality of coils (8), make and be in predetermined angle (12) between coil (8).
4. transmission system according to claim 3 is characterized in that: said angle (12) is 10～30 °.
5. transmission system according to claim 1 is characterized in that: said ferrite iron core (14) is a PC-40 Mn-Zn ferrite iron core, and the relativepermeability is 2300.
6. transmission system according to claim 1; It is characterized in that: the rectifying part of said rectification-inversion module (3) is directly used ready-made rectification module; The zero-voltage current soft-switching inversion circuit by the phase-shift type control voltage of UC3875 chip controls is partly adopted in inversion; Reverse frequency is chosen 25KHz, and voltage effective value is 50V.
7. the transmission method of non-contact type electric energy transmission system inside and outside each said high hydraulic chamber of claim 1 to 6; Said power supply (1) becomes AC power frequency voltage through step-down transformer (2) earlier; Rectifying part through rectification-inversion part (3) becomes direct current energy again; Be high-frequency alternating current through the inversion part with dc inverter with direct current energy again; Feed high-frequency alternating current in former limit (4) coil of loosely coupled transformer (4-6) then; Coil produce with alternating magnetic field frequently and through austenitic stainless steel wall (5) to the emission of secondary (6) direction, secondary (6) converts the alternating magnetic field that receives into AC energy, carries out rectification, filtering, voltage stabilizing through rectifying and voltage-stabilizing module (15) again and converts into and be fit to the interior electric energy form with electric loading of cavity.
8. transmission method according to claim 7 is characterized in that: described high-frequency alternating current is 25KHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101397071A CN102684321A (en) | 2012-05-08 | 2012-05-08 | High-hydraulic chamber inside-outside noncontact electric power transmission system and transmission method thereof |
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| CN2012101397071A CN102684321A (en) | 2012-05-08 | 2012-05-08 | High-hydraulic chamber inside-outside noncontact electric power transmission system and transmission method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356624A (en) * | 2015-10-26 | 2016-02-24 | 四川师范大学 | Superconductive composite power supply system for underground lifting and ground transportation of cargos |
| CN109347215A (en) * | 2018-12-05 | 2019-02-15 | 保定天威保变电气股份有限公司 | A kind of UI type electromagnetic coil structure and biography energy method for high-power long distance radio energy-transmitting |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08228443A (en) * | 1995-02-22 | 1996-09-03 | Nippondenso Co Ltd | Battery charger |
| CN1996711A (en) * | 2006-12-08 | 2007-07-11 | 广州电器科学研究院 | Inductive coupled wireless power transfer device |
| CN102157973A (en) * | 2011-04-08 | 2011-08-17 | 东南大学 | High-power induction charging converter of electric vehicle and control method thereof |
-
2012
- 2012-05-08 CN CN2012101397071A patent/CN102684321A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08228443A (en) * | 1995-02-22 | 1996-09-03 | Nippondenso Co Ltd | Battery charger |
| CN1996711A (en) * | 2006-12-08 | 2007-07-11 | 广州电器科学研究院 | Inductive coupled wireless power transfer device |
| CN102157973A (en) * | 2011-04-08 | 2011-08-17 | 东南大学 | High-power induction charging converter of electric vehicle and control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356624A (en) * | 2015-10-26 | 2016-02-24 | 四川师范大学 | Superconductive composite power supply system for underground lifting and ground transportation of cargos |
| CN105356624B (en) * | 2015-10-26 | 2018-01-02 | 四川师范大学 | Superconduction composite power supply system for the lifting of goods underground and ground transport |
| CN109347215A (en) * | 2018-12-05 | 2019-02-15 | 保定天威保变电气股份有限公司 | A kind of UI type electromagnetic coil structure and biography energy method for high-power long distance radio energy-transmitting |
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Application publication date: 20120919 |