CN207410211U - A kind of high-power driving power supply based on DSP - Google Patents
A kind of high-power driving power supply based on DSP Download PDFInfo
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- CN207410211U CN207410211U CN201721200432.2U CN201721200432U CN207410211U CN 207410211 U CN207410211 U CN 207410211U CN 201721200432 U CN201721200432 U CN 201721200432U CN 207410211 U CN207410211 U CN 207410211U
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Abstract
The utility model discloses a kind of high-power driving power supply based on DSP, for solve ripple in the prior art and switching loss larger, unstable working condition, the unfixed problem of output parameter.A kind of high-power driving power supply based on DSP, including external Transmit-Receive Unit, EMI units, rectification filtering unit, power factor correction unit, main control unit and DC DC power converter cells；External Transmit-Receive Unit includes the infrared receiving/transmission circuit of parallel connection and WiFi transmission circuits；EMI units include fuse F1 and EMI main circuit；Power factor correction unit includes PFC main circuit, power factor correction control circuit；The main control unit includes main control chip and the peripheral circuit being connected with main control chip.And the utility model is at low cost, and device is simple, plays an important roll to improving high-power driving power supply performance.
Description
Technical field
The utility model is related to high-power driving power supplies, belong to driving power field, and in particular to a kind of based on the big of DSP
Power driving power supply.
Background technology
With the fast development of Power Electronic Technique, switch power technology is with its high efficiency, high reliability and small size
The advantages of be developed rapidly, be widely used in the high-tech areas such as space flight, medical treatment.And traditional high-power driving power supply
Mainly analog power, this power supply have some inferior positions in terms of ability to communicate, stability and configuration, and working condition is unstable
It is fixed.However, high-power driving power supply currently on the market is mainly controlled the generation of PWM wave by digit chip, control loop is main
By monocyclic control, when bearing power is excessive, unstable working condition is caused, causes the damage of driving power, it is impossible to meet
The demand in market.
Utility model content
To solve the above-mentioned problems, the utility model discloses a kind of high-power driving power supply based on DSP, and ripple is small, work
Make it is in stable condition, it is at low cost.
What the purpose of this utility model was realized in：
A kind of high-power driving power supply based on DSP, it is characterised in that：Including external Transmit-Receive Unit, EMI units, rectification
Filter unit, power factor correction unit, main control unit and DC-DC converter unit；The EMI units, rectification filtering unit,
Power factor correction unit, main control unit and DC-DC converter unit are sequentially connected, rectification filtering unit separately with main control unit phase
Connection, bidirectional data transfers connect between power factor correction unit and main control unit, external Transmit-Receive Unit output terminal and master control
Unit input terminal is connected, and power factor correction unit output terminal is separately connected with DC-DC converter unit input terminal.
The external Transmit-Receive Unit includes the infrared receiving/transmission circuit of parallel connection and WiFi transmission circuits.
The EMI units include fuse and EMI main circuits, and the EMI main circuits include the first X capacitances, the 2nd X electricity
Appearance, common mode choke, the first Y capacitance and the second Y capacitance, the fuse are connected with the first X capacitance input terminals, the first X electricity
Hold and the 2nd X capacitances are in parallel with the input terminal of common mode choke and output terminal respectively, after the first Y capacitance and the series connection of the second Y capacitance
The 2nd X capacitances both ends are attempted by, are connected to the ground among the first Y capacitance and the second Y capacitance.
The power factor correction unit includes PFC main circuit, power factor correction control circuit, power
Factor correcting control circuit output terminal is connected with PFC main circuit.
The main control unit includes main control chip and the peripheral circuit being connected with main control chip；It is main in the main control unit
Control chip be dsp chip, model TMS320F2812；Peripheral circuit includes power circuit, indicator light circuit, voltage zero-cross detection
Circuit, reset circuit and crystal oscillating circuit.
The rectification filtering unit includes rectifier bridge, rectifier bridge rated current 30A, rectifier bridge is pressure-resistant 1600V.
The inverse-excitation type variation that PFC main circuit can be adjusted for output voltage in the power factor correction unit
Device topological structure, output voltage 100V, duty cycle 50%.
The power circuit input terminal is connected with rectification filtering unit output terminal, and power supply is by input terminal voltage used in DSP
It is obtained after rectified filter unit.
The DC-DC converter unit includes DC-DC converter main circuit, and the DC-DC converter main circuit uses
Buck type reduction voltage circuit topological structures replace inductance by high frequency transformer, can not only realize output terminal and input terminal isolate but also
Output voltage can flexibly be changed.
The utility model compared with prior art, has the advantages that：According to one kind disclosed in the utility model
High-power driving power supply based on DSP, has smaller ripple and switching loss, stable working state, and output parameter is fixed.And
And the utility model is at low cost, device is simple, suitable for promoting.
Description of the drawings
Fig. 1 is a kind of structure diagram of high-power driving power supply based on DSP of embodiment according to the present utility model.
Fig. 2 is a kind of EMI element circuits of high-power driving power supply based on DSP of embodiment according to the present utility model
Figure.
Specific embodiment
A kind of high-power driving power supply based on DSP, it is characterised in that：Including external Transmit-Receive Unit, EMI units, rectification
Filter unit, power factor correction unit, main control unit and DC-DC converter unit；The EMI units, rectification filtering unit,
Power factor correction unit, main control unit and DC-DC converter unit are sequentially connected, rectification filtering unit separately with main control unit phase
Connection, bidirectional data transfers connect between power factor correction unit and main control unit, external Transmit-Receive Unit output terminal and master control
Unit input terminal is connected, and power factor correction unit output terminal is separately connected with DC-DC converter unit input terminal；
The external Transmit-Receive Unit includes the infrared receiving/transmission circuit of parallel connection and WiFi transmission circuits；
The EMI units include fuse F1 and EMI main circuit, and the EMI main circuits include the first X capacitances C1, the 2nd X
Capacitance C2, common mode choke LF1, the first Y capacitance C3 and the second Y capacitance C4, the fuse F1 and the first X capacitance C1 input terminals
It is connected, the first X capacitances C1 and the 2nd X capacitances C2 are in parallel with the input terminal of common mode choke LF1 and output terminal respectively, the first Y
Be attempted by the 2nd X capacitance C2 both ends after capacitance C3 and the second Y capacitance C4 series connection, among the first Y capacitance C3 and the second Y capacitance C4 with
Ground is connected；The power factor correction unit includes PFC main circuit, power factor correction control circuit, power
Factor correcting control circuit output terminal is connected with PFC main circuit.
The main control unit includes main control chip and the peripheral circuit being connected with main control chip；It is main in the main control unit
Control chip be dsp chip, model TMS320F2812；Peripheral circuit includes power circuit, indicator light circuit, voltage zero-cross detection
Circuit, reset circuit and crystal oscillating circuit.
The rectification filtering unit includes rectifier bridge, rectifier bridge rated current 30A, rectifier bridge is pressure-resistant 1600V.
The inverse-excitation type variation that PFC main circuit can be adjusted for output voltage in the power factor correction unit
Device topological structure, output voltage 100V, duty cycle 50%.
The power circuit input terminal is connected with rectification filtering unit output terminal, and power supply is by input terminal voltage used in DSP
It is obtained after rectified filter unit.
The DC-DC converter unit includes DC-DC converter main circuit, and the DC-DC converter main circuit uses
Buck type reduction voltage circuit topological structures replace inductance by high frequency transformer, can not only realize output terminal and input terminal isolate but also
Output voltage can flexibly be changed.
Claims (6)
1. a kind of high-power driving power supply based on DSP, it is characterised in that：Including external Transmit-Receive Unit, EMI units, rectification filter
Ripple unit, power factor correction unit, main control unit and DC-DC converter unit；The EMI units, rectification filtering unit, work(
Rate factor correcting unit, main control unit and DC-DC converter unit are sequentially connected, and rectification filtering unit is separately connected with main control unit
It connects, bidirectional data transfers connect between power factor correction unit and main control unit, external Transmit-Receive Unit output terminal and master control list
First input terminal is connected, and power factor correction unit output terminal is connected with DC-DC converter unit input terminal；
The external Transmit-Receive Unit includes the infrared receiving/transmission circuit of parallel connection and WiFi transmission circuits；
The EMI units include fuse F1 and EMI main circuit, and the EMI main circuits include the first X capacitances C1, the 2nd X capacitances
C2, common mode choke LF1, the first Y capacitance C3 and the second Y capacitance C4, the fuse F1 are connected with the first X capacitance C1 input terminals
It connects, the first X capacitances C1 and the 2nd X capacitances C2 are in parallel with the input terminal of common mode choke LF1 and output terminal respectively, the first Y capacitance
The 2nd X capacitance C2 both ends, the first Y capacitance C3 and the second Y capacitance C4 centres and ground phase are attempted by after C3 and the second Y capacitance C4 series connection
Connection；
The power factor correction unit includes PFC main circuit, power factor correction control circuit, power factor
Correction control circuit output terminal is connected with PFC main circuit；
The main control unit includes main control chip and the peripheral circuit being connected with main control chip.
2. a kind of high-power driving power supply based on DSP according to claim 1, it is characterised in that：The rectifying and wave-filtering
Unit includes rectifier bridge, rectifier bridge rated current 30A, rectifier bridge is pressure-resistant 1600V.
3. a kind of high-power driving power supply based on DSP according to claim 1, it is characterised in that：The power factor
The inverse-excitation type variator topological structure that PFC main circuit can be adjusted for output voltage in correction unit, output voltage
100V, duty cycle 50%.
4. a kind of high-power driving power supply based on DSP according to claim 1, it is characterised in that：The main control unit
Middle main control chip be dsp chip, model TMS320F2812；Peripheral circuit includes power circuit, indicator light circuit, voltage zero-cross
Detection circuit, reset circuit and crystal oscillating circuit.
5. a kind of high-power driving power supply based on DSP according to claim 4, it is characterised in that：The power circuit
Input terminal is connected with rectification filtering unit output terminal.
6. a kind of high-power driving power supply based on DSP according to claim 1, it is characterised in that：The DC-DC conversion
Device unit includes DC-DC converter main circuit, and the DC-DC converter main circuit uses Buck type reduction voltage circuit topological structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200432.2U CN207410211U (en) | 2017-09-19 | 2017-09-19 | A kind of high-power driving power supply based on DSP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200432.2U CN207410211U (en) | 2017-09-19 | 2017-09-19 | A kind of high-power driving power supply based on DSP |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207410211U true CN207410211U (en) | 2018-05-25 |
Family
ID=62405900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721200432.2U Expired - Fee Related CN207410211U (en) | 2017-09-19 | 2017-09-19 | A kind of high-power driving power supply based on DSP |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207410211U (en) |
-
2017
- 2017-09-19 CN CN201721200432.2U patent/CN207410211U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 Termination date: 20180919 |