CN102882392A - Microwave power source - Google Patents
Microwave power source Download PDFInfo
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- CN102882392A CN102882392A CN2011101932832A CN201110193283A CN102882392A CN 102882392 A CN102882392 A CN 102882392A CN 2011101932832 A CN2011101932832 A CN 2011101932832A CN 201110193283 A CN201110193283 A CN 201110193283A CN 102882392 A CN102882392 A CN 102882392A
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- leakage inductance
- high frequency
- inductance transformer
- circuit
- microwave power
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Abstract
The invention is characterized in that a microwave power source is subject to input control by an external control circuit (1) for inputting to a high frequency leakage inductance transformer (2), the frequency of the high frequency leakage inductance transformer (2) is at least 20KHz, the magnetic field line generated by the primary coil of the high frequency leakage inductance transformer (2) cannot pass a secondary coil fully, and the coil winding structure is as follows: a secondary coil winding is divided into a plurality of small coil windings to output high voltage; and the secondary coil winding is in parallel connection with a plurality of capacitances (4) and diodes (5) so as to connect into a circuit with a small coil windings for constituting a voltage doubling rectifying circuit, and the high voltage shunt is realized by using the voltage doubling rectification characteristics of the circuit. Each circuit is connected with and output a magnetron (6), the match for the power of the magnetron (6) and the power of the leakage inductance transformer (2) is met through the voltage doubling rectification characteristics.
Description
Technical field
Microwave power supply is a kind of device that produces microwave, control circuit by controlling the loop that secondary coil windings and high-voltage rectification element consist of on the high frequency leakage inductance transformer, utilize loop voltage multiplying rectifier characteristic, realize the high-pressure shunting of transformer, satisfying a plurality of magnetron outputs, is the advanced technology in the microwave power supply.
Background technology
At present, the microwave industry development is rapid, and microwave product emerges in an endless stream, and the microwave power supply that adopts on the market now mainly is to connect a voltage doubling rectifing circuit by the power frequency input to connect a magnetron again; At electronic applications, also just by control circuit, control its high frequency leakage inductance transformer and connect again a voltage doubling rectifing circuit, a magnetron.This man-to-man mode, so that device volume is large, quality is large, uses inconvenience, wants to produce a large amount of microwaves, its structure can be very complicated.In order to adapt to the development in microwave current field, solve above-mentioned technical barrier, need us to design and create more reasonably microwave power supply device.
Summary of the invention
The present invention is a kind of by control circuit (1), control high frequency leakage inductance transformer (2), and its structure of high frequency leakage inductance transformer (2) mainly is by the upper high pressure of transformer Filament Winding (3) and electric capacity (4) and diode (5) formation voltage doubling rectifing circuit, utilize the voltage multiplying rectifier characteristic, realize high-pressure shunting, satisfy magnetron (6) power and leakage inductance transformer (2) power is complementary, thereby export a plurality of magnetrons, produce a large amount of microwaves.
Microwave power supply is mainly by control circuit, and high frequency leakage inductance transformer etc. partly form.Microwave power supply provides about 4000 volts of high pressure to magnetron, and magnetron produces microwave continuously under the power supply excitation, pass through Wave guide system again, is coupled to required environment.
Principal character of the present invention is, by external control circuit (1) microwave power supply is carried out the low pressure input control, input to high frequency leakage inductance transformer (2), the frequency of high frequency leakage inductance transformer (2) is at least 20KHz, the magnetic line of force that high frequency leakage inductance transformer (2) primary coil produces can not all pass through secondary coil, its coil winding arrangement is: be divided into some small coil windings at the secondary coil winding, the output high pressure; And be connected in parallel on the secondary coil main winding some electric capacity (4) and diode (5), connect into the loop with little winding respectively, consist of voltage doubling rectifing circuit, electric capacity is handed over every straight-through, rectifier diode has unilateral conduction, can be transformed into the alternating current that direction alternately changes the pulse direct current of single direction, utilize the voltage multiplying rectifier characteristic in loop, realize high-pressure shunting.Each loop connects output magnetron (6), by the voltage multiplying rectifier characteristic, satisfies magnetron (6) power and leakage inductance transformer (2) power is complementary.
Such control circuit (1), a high frequency leakage inductance transformer (2) just can be exported a plurality of magnetrons (6), thereby reaches the effect of one-to-many.Such structural volume is little, lightweight, and is easy to use, to produce the microwave amount large.
Description of drawings
Fig. 1 is microwave power supply structure principle chart of the present invention
1. control circuit 2. high frequency leakage inductance transformers 3. Filament Winding 4. electric capacity 5. diodes 6. magnetrons
Embodiment
Embodiment:
This example primary structure has control circuit (1) that microwave power supply is carried out input control, input to high frequency leakage inductance transformer (2), its frequency of high frequency leakage inductance transformer (2) is at least 20KHz, its transformer Filament Winding (3), be divided into some little Filament Winding at secondary coil, the output high pressure, and be connected in parallel on the secondary coil main winding some electric capacity (4) and diode (5) and little winding connect into the loop, consist of voltage doubling rectifing circuit, utilize the voltage multiplying rectifier characteristic in loop, realize high-pressure shunting, each loop connects a magnetron (6), by the voltage multiplying rectifier characteristic, satisfy magnetron (6) power and high frequency leakage inductance transformer (2) power is complementary.Such control circuit (1), a high frequency leakage inductance transformer (2) just can be exported a plurality of magnetrons (6), thereby reaches the effect of one-to-many.Such structural volume is little, lightweight, and is easy to use, to produce the microwave amount large.
This example can be used in the heating road surface, and on the microwave road-surface heating car, this microwave power supply device of packing into onboard so that on limited car body, reduce as much as possible volume, reduces weight, and is easy to carry.When the heating road surface, magnetron on the unit are (6) quantity increases, and produces the microwave amount large.Therefore, the whole efficiency of heating surface promotes.
Claims (3)
1. its principal character of microwave power supply is, by control circuit (1), connects input high frequency leakage inductance transformer (2), connects output a plurality of magnetrons (6).
2. described a kind of microwave power supply according to claim 1, its high frequency leakage inductance transformer (2) structure is, the secondary coil main winding is connected in parallel and exports a plurality of electric capacity (4) and diode (5), and connecting and composing the voltage multiplying rectifier loop with the little winding of secondary coil respectively, electric capacity (4) and diode (5) are for being connected in series.
3. described a kind of microwave power supply according to claim 1, its magnetron (6) is connected in series with every voltage multiplying rectifier loop respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101932832A CN102882392A (en) | 2011-07-12 | 2011-07-12 | Microwave power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101932832A CN102882392A (en) | 2011-07-12 | 2011-07-12 | Microwave power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102882392A true CN102882392A (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101932832A Pending CN102882392A (en) | 2011-07-12 | 2011-07-12 | Microwave power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102882392A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386209A (en) * | 2016-11-25 | 2017-02-15 | 国网江西省电力公司赣西供电分公司 | Power line channel tree bamboo growth controller based on high-frequency electromagnetic wave technology |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679217A (en) * | 2002-07-03 | 2005-10-05 | 熔融Uv体系股份有限公司 | Apparatus and method for powering multiple magnetrons using a single power supply |
| CN201146621Y (en) * | 2008-01-29 | 2008-11-05 | 美的集团有限公司 | Magnetron power supply device |
| CN201167422Y (en) * | 2008-01-29 | 2008-12-17 | 美的集团有限公司 | Magnetron power supply device |
| CN202121521U (en) * | 2011-07-12 | 2012-01-18 | 赵金叶 | Microwave power source |
-
2011
- 2011-07-12 CN CN2011101932832A patent/CN102882392A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1679217A (en) * | 2002-07-03 | 2005-10-05 | 熔融Uv体系股份有限公司 | Apparatus and method for powering multiple magnetrons using a single power supply |
| CN201146621Y (en) * | 2008-01-29 | 2008-11-05 | 美的集团有限公司 | Magnetron power supply device |
| CN201167422Y (en) * | 2008-01-29 | 2008-12-17 | 美的集团有限公司 | Magnetron power supply device |
| CN202121521U (en) * | 2011-07-12 | 2012-01-18 | 赵金叶 | Microwave power source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106386209A (en) * | 2016-11-25 | 2017-02-15 | 国网江西省电力公司赣西供电分公司 | Power line channel tree bamboo growth controller based on high-frequency electromagnetic wave technology |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |