CN207516805U - A kind of magnetic powder driving circuit based on PWM outputs - Google Patents
A kind of magnetic powder driving circuit based on PWM outputs Download PDFInfo
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- CN207516805U CN207516805U CN201721780897.XU CN201721780897U CN207516805U CN 207516805 U CN207516805 U CN 207516805U CN 201721780897 U CN201721780897 U CN 201721780897U CN 207516805 U CN207516805 U CN 207516805U
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- magnetic powder
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- triode
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Abstract
The utility model discloses a kind of magnetic powder driving circuits based on PWM outputs, triode Q2 base stages connection resistance R1, on the connecting pin of R2, the resistance R1 other ends are pwm signal input terminal, the resistance R2 other ends and triode Q2 emitter groundings, the cathode that triode Q2 collectors pass through resistance R3 connection IGBT drivers U1, the anode connection 5V power supplys of IGBT drivers U1, the power end connection 13V power supplys of IGBT drivers U1, the grid of the output terminal connection power amplifier tube Q1 of IGBT drivers U1, the ground terminal of IGBT drivers U1 and the source grounding of power amplifier tube Q1, the drain electrode connection diode D1 anodes of power amplifier tube Q1.The utility model selects specific model metal-oxide-semiconductor to make to carry out switch actuator part, avoids cause thermal damage.In magnetic powder power output port and diode elimination surge voltage is connect, can effectively ensure that working long hours for the circuit is not damaged.
Description
Technical field
The utility model is related to tension control technology field more particularly to a kind of magnetic powder driving circuits based on PWM outputs.
Background technology
In tension force industry, magnetic powder driving circuit is the core circuit of tension controller.The prior art is most
The failure of controller is all unreasonable from the design of the circuit, cause thermal damage is crossed as caused by oneself power consumption is excessive, even
Impact resistance voltage not enough damages caused by device selection is improper.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide one kind to be based on
The magnetic powder driving circuit of PWM outputs by rationally designing circuit, does not generate heat, without cooling fin when ensure that all device work
Can steady operation, solve the problems, such as cause thermal damage.By optimised devices type selecting, solves impact resistance voltage problem.
To achieve the above object, the utility model provides a kind of magnetic powder driving circuit exported based on PWM, including IGBT
Driver U1, power amplifier tube Q1, triode Q2, the triode Q2 base stages are connected on the connecting pin of resistance R1, R2, the electricity
The R1 other ends are hindered for pwm signal input terminal, the resistance R2 other ends and triode Q2 emitter groundings, the triode Q2 current collections
Pole passes through the cathode of resistance R3 connection IGBT drivers U1, the anode connection 5V power supplys of the IGBT drivers U1, the IGBT
The power end connection 13V power supplys of driver U1, the grid of the output terminal connection power amplifier tube Q1 of the IGBT drivers U1, institute
State the ground terminal of IGBT drivers U1 and the source grounding of power amplifier tube Q1, the drain electrode connection two of the power amplifier tube Q1
Pole pipe D1 anodes.
Further, described 5V power ends connection filter capacitor C1 one end, the capacitance C1 other ends ground connection.
Further, the 13V power supplys with publicly between connect capacitance C2, C3 in parallel.
Further, the IGBT drivers U1 is TLP152 chips.
Further, the power amplifier tube Q1 is IRF3205S.
Further, the diode D1 is STTH1002CG-TR.
The beneficial effects of the utility model are：
The utility model selects specific model metal-oxide-semiconductor IRF3205S to make to carry out switch actuator part, and full power temperature liter only has
25 DEG C, avoid the excessive caused cause thermal damage excessively of general metal-oxide-semiconductor oneself power consumption.It is driven with IGBT driver chips TLP152
Metal-oxide-semiconductor performer, has excellent performance.In magnetic powder power output port and diode STTH1002CG-TR is met, eliminates magnetic powder end
The high voltage surge voltage of generation can effectively ensure that working long hours for the circuit is not damaged.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
As shown in Figure 1, a kind of magnetic powder driving circuit based on PWM outputs, including IGBT drivers U1, power amplifier tube
Q1, triode Q2, the triode Q2 base stages are connected on the connecting pin of resistance R1, R2, and the resistance R1 other ends are pwm signal
Input terminal, the resistance R2 other ends and triode Q2 emitter groundings, the triode Q2 collectors are connected by resistance R3
The cathode of IGBT drivers U1, the anode connection 5V power supplys of the IGBT drivers U1, the power end of the IGBT drivers U1
13V power supplys are connected, the output terminal of the IGBT drivers U1 connects the grid of power amplifier tube Q1, the IGBT drivers U1's
The source grounding of ground terminal and power amplifier tube Q1, the drain electrode connection diode D1 anodes of the power amplifier tube Q1.
In the present embodiment, described 5V power ends connection filter capacitor C1 one end, the capacitance C1 other ends ground connection.
In the present embodiment, the 13V power supplys with publicly between connect capacitance C2, C3 in parallel.
In the present embodiment, the IGBT drivers U1 is TLP152 chips.
In the present embodiment, the power amplifier tube Q1 is IRF3205S.
In the present embodiment, the diode D1 is STTH1002CG-TR.
The operation principle of the utility model is：The PWM waveform of magnetic powder is driven to be sent into after Q2 triodes shaping acceleration
U1 chips carry out calculation process.Result after operation is output to power switch pipe Q1 by U1, and Q1, which performs to order, is switched on or switched off pass,
Magnetic powder obtains power current and starts electric work.D1 is used to eliminate the high voltage surge voltage of the generation at magnetic powder end.
The utility model selects specific model metal-oxide-semiconductor IRF3205S to make to carry out switch actuator part, and full power temperature liter only has
25 DEG C, avoid the excessive caused cause thermal damage excessively of general metal-oxide-semiconductor oneself power consumption.It is driven with IGBT driver chips TLP152
Metal-oxide-semiconductor performer, has excellent performance.In magnetic powder power output port and diode STTH1002CG-TR is met, eliminates magnetic powder end
The high voltage surge voltage of generation can effectively ensure that working long hours for the circuit is not damaged.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of magnetic powder driving circuit based on PWM outputs, it is characterised in that：Including IGBT drivers U1, power amplifier tube Q1,
Triode Q2, the triode Q2 base stages are connected on the connecting pin of resistance R1, R2, and the resistance R1 other ends are defeated for pwm signal
Enter end, the resistance R2 other ends and triode Q2 emitter groundings, the triode Q2 collectors pass through resistance R3 connections IGBT
The cathode of driver U1, the anode connection 5V power supplys of the IGBT drivers U1, the power end connection of the IGBT drivers U1
13V power supplys, the grid of the output terminal connection power amplifier tube Q1 of the IGBT drivers U1, the ground connection of the IGBT drivers U1
End and the source grounding of power amplifier tube Q1, the drain electrode connection diode D1 anodes of the power amplifier tube Q1.
2. a kind of magnetic powder driving circuit based on PWM outputs as described in claim 1, it is characterised in that：The 5V power ends
Connect filter capacitor C1 one end, the capacitance C1 other ends ground connection.
3. a kind of magnetic powder driving circuit based on PWM outputs as described in claim 1, it is characterised in that：The 13V power supplys with
Capacitance C2, C3 in parallel are connected between publicly.
4. a kind of magnetic powder driving circuit based on PWM outputs as described in claim 1, it is characterised in that：The IGBT drivings
Device U1 is TLP152 chips.
5. a kind of magnetic powder driving circuit based on PWM outputs as described in claim 1, it is characterised in that：The power amplification
Pipe Q1 is IRF3205S.
6. a kind of magnetic powder driving circuit based on PWM outputs as described in claim 1, it is characterised in that：The diode D1
For STTH1002CG-TR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780897.XU CN207516805U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic powder driving circuit based on PWM outputs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721780897.XU CN207516805U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic powder driving circuit based on PWM outputs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516805U true CN207516805U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721780897.XU Active CN207516805U (en) | 2017-12-19 | 2017-12-19 | A kind of magnetic powder driving circuit based on PWM outputs |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975068A (en) * | 2018-08-18 | 2018-12-11 | 无锡诚勇自动化技术有限公司 | A kind of tension controller |
| CN109435765A (en) * | 2019-01-23 | 2019-03-08 | 常州江苏大学工程技术研究院 | Battery pack contactless control system and working method |
-
2017
- 2017-12-19 CN CN201721780897.XU patent/CN207516805U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975068A (en) * | 2018-08-18 | 2018-12-11 | 无锡诚勇自动化技术有限公司 | A kind of tension controller |
| CN109435765A (en) * | 2019-01-23 | 2019-03-08 | 常州江苏大学工程技术研究院 | Battery pack contactless control system and working method |
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