CN203135708U - Double-channel high-frequency power absorbing network - Google Patents
Double-channel high-frequency power absorbing network Download PDFInfo
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- CN203135708U CN203135708U CN 201320101486 CN201320101486U CN203135708U CN 203135708 U CN203135708 U CN 203135708U CN 201320101486 CN201320101486 CN 201320101486 CN 201320101486 U CN201320101486 U CN 201320101486U CN 203135708 U CN203135708 U CN 203135708U
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- magnetic bead
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Abstract
A double-channel high-frequency power absorbing network comprises a number I resistor, a number I capacitor, a number II resistor, a number II capacitor, a magnetic bead, a transformer, a control module, a number III capacitor and a diode. The double-channel high-frequency power absorbing network is characterized in that the anode of the diode is connected with the secondary output positive terminal of the transformer, the cathode of the diode is connected with one end of the magnetic bead, a group of number I absorption networks formed by the series connection of the number I capacitor and the number I resistor are in parallel connection between the other end of the magnetic bead and the anode of the diode, another group of number II absorption networks formed by the series connection of the number II capacitor and the number II resistor are in parallel connection between the cathode and the anode of the diode, and a number III capacitor is in parallel with the secondary positive and negative terminals of the transformer. The reverse peak voltage generated between the diode and the magnetic bead is absorbed by the number II absorption networks, the reverse peak voltage generated between the magnetic bead and the power storage capacitor is absorbed by the number I absorption networks, instant turn-on/off phenomenon of the secondary output of the transformer caused by a DC current is effectively prevented, and the forward voltage raise of anode of the diode is prevented.
Description
Technical field
The utility model relates to a kind of motor vehicle illumination with the transformer output protection device of HID stabilizer, is that a kind of binary channels high frequency electric source absorbs network concretely.
Background technology
The transformer out-put supply of HID stabilizer belongs to high frequency electric source, because transformer must convert the direct current of 12V to high-tension electricity more than the 20000V, puncture bulb after, the out-put supply with transformer is stabilized in about 85V again.Because of after the diode heating, it bears reverse voltage and the forward conduction electric current all will descend, and when the driver becomes the light time to light, the high electric current of the high back voltage of moment and forward will damage rectifier diode and metal-oxide-semiconductor easily.And the high frequency absorption mesh that uses now, exactly at the two ends of diode one group of circuit that is formed by resistance and capacitance series in parallel, when peak voltage comes to absorb by its peak voltage temporarily, and the back is connected in series a magnetic bead behind the front of diode, is used for eliminating the peak voltage of diode.Yet, in ordinary production, because the structure of transformer is the certain factor of entire environment, it is done manual work and magnetic flux all has a strong impact on the parameter that absorbs network, and, after string is gone up magnetic bead, peak voltage decreases, but the forward voltage of transformer when opening raises, and during startup, damages diode easily.
Summary of the invention
The purpose of this utility model is to provide a kind of binary channels high frequency electric source to absorb network, has the forward voltage of the secondary output of balancing transformer, and binary channels absorbs the function of the reverse spike voltage of magnetic bead and diode again.
The utility model is realized with following technical scheme: this binary channels high frequency electric source absorbs network, and its structure is made up of a resistance, an electric capacity, No. two resistance, No. two electric capacity, magnetic bead, transformer, control module, No. three electric capacity, diodes.It is characterized in that, the anode of diode is connected with the secondary output cathode end of transformer, the negative electrode of diode is connected with magnetic bead, in the middle of the other end of magnetic bead and the anode of diode in parallel one group by electric capacity and a absorption mesh after a resistance is connected, No. two absorption mesh after another group in parallel is connected by No. two electric capacity and No. two resistance between the anode and cathode of diode, the secondary positive and negative end of transformer No. three electric capacity in parallel.
The DC power supply one tunnel of 12V storage battery arrives transformer, and another road arrives control module, and control module starts metal-oxide-semiconductor work, transformer secondary output output voltage, stabilizer work.In the 12V direct current is closed frequent operation with conducting in moment, described moment closes and conducting, refer to that stabilizer is in the moment of start and stop, the forward too high voltages and the reverse spike voltage that produce in this moment, rather than under the normal operating conditions, ending and conducting of the output AC electricity that the metal-oxide-semiconductor vibration produces, No. two absorption mesh absorbs the reverse spike voltage that produces between diode and the magnetic bead, No. one absorption mesh absorbs the reverse spike voltage of magnetic bead and energy storage capacitor generation, can not close and connect because of galvanic moment and No. three electric capacity effectively ensures the secondary output of transformer, the anode forward voltage of diode can be elevated.
On above-mentioned basis, the anode of diode is connected with the secondary output cathode end of transformer, between the anode and cathode of diode, one group of absorption mesh then being formed by an electric capacity and a resistance series connection in parallel, organize by No. two absorption mesh after No. two electric capacity and No. two resistance series connection with another, the secondary positive and negative end of transformer No. three electric capacity in parallel
A described absorption mesh and No. two absorption mesh are synchronously and at the two poles of the earth of diode, as adopt the method, can cancel magnetic bead, utilize the different resistances of resistance, an absorption mesh of low resistance is used for absorbing big electric current, high-resistance No. two absorption mesh are used for absorbing high voltage, thereby no matter guarantee that diode under which kind of situation, can not damage.
A described electric capacity and No. two its models of electric capacity are: 102J630V.
Described its model of resistance is: 33K Ω.
Described No. two its models of resistance are: 100K Ω.
Described No. three electric capacity, when transformer was selected the M8 model for use, its model was: 102J100V.
Described No. three electric capacity, when transformer was selected the PQ26 model for use, its model was: 331J100V.
Described magnetic bead is: diameter 6mm, length 11mm.
Described diode is: when transformer was selected the M8 model for use, diode was selected HER or SF series for use.
Described diode is: when transformer was selected the PQ26 model for use, diode was selected SF series for use.
Beneficial effect is: reached the forward voltage of the secondary output of balancing transformer, binary channels absorbs the reverse spike voltage of magnetic bead and diode again, has effectively guaranteed the function in the useful life of diode.
Description of drawings
Fig. 1 is that the utility model binary channels high frequency electric source absorbs the structural map of network in stabilizer.
No. 1. resistance among the figure, 2. an electric capacity, 3. No. two resistance, 4. No. two electric capacity, 5. magnetic bead, 6. transformer, 7. control module, 8. No. three electric capacity, 9. diodes.
Embodiment
Fig. 1 is that the utility model binary channels high frequency electric source absorbs the structural map of network in stabilizer, is made up of a resistance 1, an electric capacity 2, No. two resistance 3, No. two electric capacity 4, magnetic bead 5, transformer 6, control module 7, No. three electric capacity 8, diodes 9.In Fig. 1, implement one: the anode of diode 9 is connected with the secondary output cathode end of transformer 6, the negative electrode of diode 9 is connected with magnetic bead 5, in the middle of the anode of the other end of magnetic bead 5 and diode 9 in parallel one group by electric capacity 2 and a absorption mesh after a resistance 1 is connected, No. two absorption mesh after another group in parallel is connected by No. two electric capacity 4 and No. two resistance 3 between the anode and cathode of diode 9, the secondary positive and negative end of transformer 6 No. three electric capacity 8 in parallel.
Implement two: the anode of diode 9 is connected with the secondary output cathode end of transformer 6, between the anode and cathode of diode 9, one group of absorption mesh then being formed by an electric capacity 2 and resistance 1 series connection in parallel, organize by No. two absorption mesh after No. two electric capacity 4 and No. two resistance 3 series connection with another, the secondary positive and negative end of transformer 6 No. three electric capacity 8 in parallel
A described absorption mesh and No. two absorption mesh are synchronously and at the two poles of the earth of diode 9, as adopt the method, can cancel magnetic bead 5, utilize the different resistances of resistance, an absorption mesh of low resistance is used for absorbing big electric current, high-resistance No. two absorption mesh are used for absorbing high voltage, thereby no matter guarantee that diode 9 under which kind of situation, can not damage.
Claims (7)
1. a binary channels high frequency electric source absorbs network, its structure is by a resistance, an electric capacity, No. two resistance, No. two electric capacity, magnetic bead, transformer, control module, No. three electric capacity, diode is formed, it is characterized in that, the anode of diode is connected with the secondary output cathode end of transformer, the negative electrode of diode is connected with magnetic bead, in the middle of the other end of magnetic bead and the anode of diode in parallel one group by electric capacity and a absorption mesh after a resistance is connected, No. two absorption mesh after another group in parallel is connected by No. two electric capacity and No. two resistance between the anode and cathode of diode, the secondary positive and negative end of transformer No. three electric capacity in parallel
The DC power supply one tunnel of 12V storage battery arrives transformer, and another road arrives control module, and control module starts metal-oxide-semiconductor work, the transformer secondary output output voltage, and stabilizer work, in the 12V direct current is closed frequent operation with conducting in moment,
Described moment closes and conducting, refers to stabilizer in the moment of start and stop, the forward too high voltages and the reverse spike voltage that produce in this moment, rather than under the normal operating conditions, the output AC electricity that the metal-oxide-semiconductor vibration produces by and conducting,
No. two absorption mesh absorbs the reverse spike voltage that produces between diode and the magnetic bead, No. one absorption mesh absorbs the reverse spike voltage of magnetic bead and energy storage capacitor generation, can not close and connect because of galvanic moment and No. three electric capacity effectively ensures the secondary output of transformer, the anode forward voltage of diode can be elevated.
2. a binary channels high frequency electric source absorbs network, its structure is by a resistance, an electric capacity, No. two resistance, No. two electric capacity, transformer, control module, No. three electric capacity, diode is formed, it is characterized in that, the anode of diode is connected with the secondary output cathode end of transformer, between the anode and cathode of diode, one group of absorption mesh then being formed by an electric capacity and a resistance series connection in parallel, organize by No. two absorption mesh after No. two electric capacity and No. two resistance series connection with another, the secondary positive and negative end of transformer No. three electric capacity in parallel
A described absorption mesh and No. two absorption mesh are synchronously and at the two poles of the earth of diode, as adopt the method, can cancel magnetic bead, utilize the different resistances of resistance, an absorption mesh of low resistance is used for absorbing big electric current, high-resistance No. two absorption mesh are used for absorbing high voltage, thereby no matter guarantee that diode under which kind of situation, can not damage.
3.. a kind of binary channels high frequency electric source according to claim 1 and 2 absorbs network, it is characterized in that described its model of resistance is: 33K Ω; Described No. two its models of resistance are: 100K Ω.
4. a kind of binary channels high frequency electric source according to claim 1 absorbs network, it is characterized in that described magnetic bead is: diameter 6mm, length 11mm.
5. a kind of binary channels high frequency electric source according to claim 1 and 2 absorbs network, it is characterized in that, and described No. three electric capacity, when transformer was selected the M8 model for use, its model was: 102J100V; When transformer was selected the PQ26 model for use, its model was: 331J100V.
6. a kind of binary channels high frequency electric source according to claim 1 and 2 absorbs network, and it is characterized in that described diode is: when transformer was selected the M8 model for use, diode was selected HER or SF series for use; When transformer was selected the PQ26 model for use, diode was selected SF series for use.
7. a kind of binary channels high frequency electric source according to claim 1 and 2 absorbs network, it is characterized in that, a kind of binary channels high frequency electric source according to claim 1 absorbs network, it is characterized in that a described electric capacity and No. two its models of electric capacity are: 102J630V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101486 CN203135708U (en) | 2013-03-06 | 2013-03-06 | Double-channel high-frequency power absorbing network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101486 CN203135708U (en) | 2013-03-06 | 2013-03-06 | Double-channel high-frequency power absorbing network |
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| CN203135708U true CN203135708U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320101486 Expired - Fee Related CN203135708U (en) | 2013-03-06 | 2013-03-06 | Double-channel high-frequency power absorbing network |
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| CN (1) | CN203135708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658123A (en) * | 2017-10-30 | 2018-02-02 | 贵州金林电子科技有限公司 | The processing technology of high frequency transformer |
-
2013
- 2013-03-06 CN CN 201320101486 patent/CN203135708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658123A (en) * | 2017-10-30 | 2018-02-02 | 贵州金林电子科技有限公司 | The processing technology of high frequency transformer |
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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: 20130814 Termination date: 20140306 |