CN216531104U - Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply - Google Patents
Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply Download PDFInfo
- Publication number
- CN216531104U CN216531104U CN202123205816.2U CN202123205816U CN216531104U CN 216531104 U CN216531104 U CN 216531104U CN 202123205816 U CN202123205816 U CN 202123205816U CN 216531104 U CN216531104 U CN 216531104U
- Authority
- CN
- China
- Prior art keywords
- voltage
- diode
- module
- power supply
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses a three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply, which relates to the field of switch power supplies, and comprises: the three-phase power supply module is used for supplying three-phase voltage 380V alternating current; the voltage reduction rectification filter module is used for converting the three-phase voltage 380V alternating current into direct current voltage; the switch control module is used for indirectly controlling the circuit conduction to ensure the safety of a user, and after the circuit conduction, the voltage-stabilizing regulation module is electrified to work; the voltage stabilizing and adjusting module is used for outputting voltage with variable size; compared with the prior art, the utility model has the beneficial effects that: the utility model converts three-phase alternating current into direct current to output a bipolar power supply, is suitable for different electrical appliances, and simultaneously, in order to prevent damage caused by overlarge current in the conversion process, the switch control module indirectly controls the circuit to be conducted to prevent damage.
Description
Technical Field
The utility model relates to the field of switching power supplies, in particular to a three-phase input low-voltage large-current high-frequency full-isolation bidirectional switching power supply.
Background
A Switch Mode Power Supply (SMPS), also called a switching Power Supply and a switching converter, is a high-frequency Power conversion device, and is a kind of Power Supply. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The input of the switching power supply is mostly an ac power supply (e.g., commercial power) or a dc power supply, and the output is mostly equipment requiring a dc power supply, such as a personal computer, and the switching power supply performs voltage and current conversion between the two.
The switching power supply on the market at present needs to be noticed during use because the voltage conversion process is low-voltage and high-current, so that electric shock to a user caused by the high-current is prevented.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply comprises:
the three-phase power supply module is used for supplying three-phase voltage 380V alternating current;
the voltage reduction rectification filter module is used for converting the three-phase voltage 380V alternating current into direct current voltage;
the switch control module is used for indirectly controlling the circuit conduction to ensure the safety of a user, and after the circuit conduction, the voltage-stabilizing regulation module is electrified to work;
the voltage stabilizing and adjusting module is used for outputting voltage with variable size;
the voltage output module is used for outputting negative voltage corresponding to the voltage with variable magnitude;
the three-phase power supply module is connected with the voltage reduction rectification filter module, the voltage reduction rectification filter module is connected with the switch control module, the switch control module is connected with the voltage stabilization regulation module, and the voltage stabilization regulation module is connected with the voltage output module.
As a still further scheme of the utility model: the three-phase power supply module comprises a live wire L1, a live wire L2 and a live wire L3, the voltage-reducing rectification filter module comprises a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a capacitor C1, an inductor X1 and a resistor R1, the first end of the transformer W is connected with a live wire L1, the second end of the transformer W is connected with a live wire L2, the third end of the transformer W is connected with a live wire L3, the fourth end of the transformer W is connected with the anode of a diode D1 and the cathode of a diode D4, the fifth end of the transformer W is connected with the anode of a diode D2 and the cathode of a diode D5, the sixth end of the transformer W is connected with the anode of a diode D3 and the cathode of a diode D6, the cathode of a diode D1 is connected with the cathode of a diode D2, the cathode of a diode D3, a capacitor C1 and an inductor X1, and the anode of a diode D4 is connected with the anode of a diode D5, the other end of the diode D6 and the other end of the capacitor C1 and the capacitor C4, The other end of the resistor R1 and the other end of the inductor X1 are connected with the other end of the resistor R1 and the switch control module.
As a still further scheme of the utility model: the switch control module comprises a resistor R4, a switch S2, a switch S1, a relay J1, a diode D7, a resistor R2 and a diode Z1, one end of the resistor R4 is connected with the switch S1 and the voltage reduction rectification filter module, the other end of the resistor R4 is connected with the switch S2, the other end of the switch S2 is connected with a relay J1 and the cathode of the diode D7, the other end of the relay J1 is connected with the anode of the diode D7 and the anode of the diode D6, the other end of the switch S1 is connected with a resistor R2, the other end of the resistor R2 is connected with the cathode of the diode Z1 and the voltage stabilization regulation module, and the anode of the diode Z1 is grounded.
As a still further scheme of the utility model: the voltage stabilizing and adjusting module comprises a voltage stabilizer U1, a potentiometer RP1 and a resistor R3, the input end of the voltage stabilizer U1 is connected with the switch control module, the grounding end of the voltage stabilizer U1 is connected with the potentiometer RP1 and the resistor R3, the output end of the voltage stabilizer U1 is connected with the other end of the resistor R3 and the voltage output module, and the other end of the potentiometer RP1 is grounded.
As a still further scheme of the utility model: the voltage output module comprises an integrated circuit U2, a voltage regulation module is connected to a pin No. 8 of the integrated circuit U2, a capacitor C2, the other end of the capacitor C2 is grounded, a pin No. 6 of the integrated circuit U2 is grounded, a pin No. 5 of the integrated circuit U2 is connected with the capacitor C4, the other end of the capacitor C4 is grounded, a pin No. 2 of the integrated circuit U2 is connected with a pin No. 4 of the integrated circuit U2 through the capacitor C3, and a pin No. 3 of the integrated circuit U2 is grounded.
Compared with the prior art, the utility model has the beneficial effects that: the utility model converts three-phase alternating current into direct current to output a bipolar power supply, is suitable for different electrical appliances, and simultaneously, in order to prevent damage caused by overlarge current in the conversion process, the switch control module indirectly controls the circuit to be conducted to prevent damage.
Drawings
Fig. 1 is a schematic diagram of a three-phase input low-voltage large-current high-frequency fully-isolated bidirectional switching power supply.
Fig. 2 is a circuit diagram of a three-phase input low-voltage large-current high-frequency fully-isolated bidirectional switching power supply.
Fig. 3 is a structural view of the transformer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, a three-phase input low-voltage large-current high-frequency fully-isolated bidirectional switch power supply includes:
the three-phase power supply module is used for supplying three-phase voltage 380V alternating current;
the voltage reduction rectification filter module is used for converting the three-phase voltage 380V alternating current into direct current voltage;
the switch control module is used for indirectly controlling the circuit conduction to ensure the safety of a user, and after the circuit conduction, the voltage-stabilizing regulation module is electrified to work;
the voltage stabilizing and adjusting module is used for outputting voltage with variable size;
the voltage output module is used for outputting negative voltage corresponding to the voltage with variable magnitude;
the three-phase power supply module is connected with the voltage reduction rectification filter module, the voltage reduction rectification filter module is connected with the switch control module, the switch control module is connected with the voltage stabilization regulation module, and the voltage stabilization regulation module is connected with the voltage output module.
In this embodiment: referring to fig. 2 and 3, the three-phase power module includes a fire line L1, a fire line L2, and a fire line L3, the step-down rectifier and filter module includes a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a capacitor C1, an inductor X1, and a resistor R1, a first end of the transformer W is connected to the fire line L1, a second end of the transformer W is connected to the fire line L1, a third end of the transformer W is connected to the fire line L1, a fourth end of the transformer W is connected to the anode of the diode D1 and the cathode of the diode D1, a fifth end of the transformer W is connected to the anode of the diode D1 and the cathode of the diode D1, a sixth end of the transformer W is connected to the anode of the diode D1 and the cathode of the diode D1, a capacitor C1, an inductor X1, and an anode of the D1 is connected to the anode of the diode D1 and an anode of the diode D1 is connected to the anode of the diode D1 and an anode of the diode D1 is connected to the diode D1 and the anode of the diode D1 and the anode of the diode D1 and the diode D1 is connected to the anode of the diode D1 and the anode of the diode D1 and the anode of the diode D1 and the cathode of the diode D1 and the anode of the diode D1 and the cathode of the anode of the diode D1 is connected to the cathode of the diode D1 and the cathode of the diode D1 and the diode D1 of the diode D1 and the cathode of the diode D1, The other end of the capacitor C1 and the resistor R1, and the other end of the inductor X1 are connected with the other end of the resistor R1 and the switch control module.
The three-phase transformer W converts three-phase alternating current into low-voltage alternating current for output, the low-voltage alternating current is converted into direct current through a diode D1, a diode D2, a diode D3, a diode D4, a diode D5 and a diode D6, and the direct current is filtered through a capacitor C1, an inductor X1 and a resistor R1.
In this embodiment: referring to fig. 2, the switch control module includes a resistor R4, a switch S2, a switch S1, a relay J1, a diode D7, a resistor R2, and a diode Z1, one end of the resistor R4 is connected to the switch S1 and the buck rectifier filter module, the other end of the resistor R4 is connected to the switch S2, the other end of the switch S2 is connected to the relay J1 and the cathode of the diode D7, the other end of the relay J1 is connected to the anode of the diode D7 and the anode of the diode D6, the other end of the switch S1 is connected to the resistor R2, the other end of the resistor R2 is connected to the cathode of the diode Z1 and the regulator module, and the anode of the diode Z1 is grounded.
Because resistance R4 resistance is great, make the branch current that switch S2 belongs to less, manual closed switch S2, make relay J1 get electric work, control switch S1 is closed (switch S1 belongs to branch current great), for the regulation module supply voltage of steady voltage, the direct current (low-voltage heavy current) that effectively prevents step-down rectification filter module output causes the harm, diode Z1 is TVS transient suppression diode simultaneously, switch on when circuit voltage is too big, make the electric current through switch S1 pass through diode Z1 ground connection, the protection circuit.
In this embodiment: referring to fig. 2, the voltage regulation module includes a voltage regulator U1, a potentiometer RP1, and a resistor R3, an input terminal of the voltage regulator U1 is connected to the switch control module, a ground terminal of the voltage regulator U1 is connected to the potentiometer RP1 and the resistor R3, an output terminal of the voltage regulator U1 is connected to the other terminal of the resistor R3 and the voltage output module, and the other terminal of the potentiometer RP1 is grounded.
The model of the voltage stabilizer U1 is 78 series voltage stabilizers, different models are selected according to actual requirements, and the output voltage VOUT1 is changed by adjusting the resistance value of the potentiometer RP 1.
In this embodiment: referring to fig. 2, the voltage output module includes an integrated circuit U2, a pin 8 of the integrated circuit U2 is connected to the voltage regulation module and the capacitor C2, the other end of the capacitor C2 is grounded, a pin 6 of the integrated circuit U2 is grounded, a pin 5 of the integrated circuit U2 is connected to the capacitor C4, the other end of the capacitor C4 is grounded, a pin 2 of the integrated circuit U2 is connected to a pin 4 of the integrated circuit U2 through the capacitor C3, and a pin 3 of the integrated circuit U2 is grounded.
The integrated circuit U2 is an ICL7660, and the ICL7660 is a low-power polarity-reversal power converter, which outputs a positive voltage as a negative voltage, so that the output voltage VOUT1 becomes-VOUT 2, thereby obtaining a bidirectional voltage output.
The working principle of the utility model is as follows: the three-phase power module supplies three-phase voltage 380V alternating current, and step-down rectification filtering module turns into three-phase voltage 380V alternating current direct current voltage, and the indirect control circuit of on-off control module switches on, guarantees user's safety, and after the circuit switched on, the steady voltage regulation module was got electric work, and the variable voltage of steady voltage regulation module output size, the negative pole voltage that the variable voltage of voltage output module output size corresponds.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a full isolated bidirectional switch power of three-phase input low-voltage heavy current high frequency which characterized in that:
the three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply comprises:
the three-phase power supply module is used for supplying three-phase voltage 380V alternating current;
the voltage reduction rectification filter module is used for converting the three-phase voltage 380V alternating current into direct current voltage;
the switch control module is used for indirectly controlling the circuit conduction to ensure the safety of a user, and after the circuit conduction, the voltage-stabilizing regulation module is electrified to work;
the voltage stabilizing and adjusting module is used for outputting voltage with variable size;
the voltage output module is used for outputting negative voltage corresponding to the voltage with variable magnitude;
the three-phase power supply module is connected with the voltage reduction rectification filter module, the voltage reduction rectification filter module is connected with the switch control module, the switch control module is connected with the voltage stabilization regulation module, and the voltage stabilization regulation module is connected with the voltage output module.
2. The three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply as claimed in claim 1, wherein the three-phase power supply module comprises a live line L1, a live line L2 and a live line L3, the step-down rectification filter module comprises a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a diode D6, a capacitor C1, an inductor X1 and a resistor R1, the first end of the transformer W is connected with the live line L1, the second end of the transformer W is connected with the live line L2, the third end of the transformer W is connected with the live line L3, the fourth end of the transformer W is connected with the anode of the diode D1 and the cathode of the diode D4, the fifth end of the transformer W is connected with the anode of the diode D2 and the cathode of the diode D5, the sixth end of the transformer W is connected with the anode of the diode D3 and the cathode of the diode D6, and the cathode of the diode D1 is connected with the cathode of the diode D2 and the cathode of the diode D3, The switch comprises a capacitor C1 and an inductor X1, wherein the anode of a diode D4 is connected with the anode of a diode D5, the anode of a diode D6, the other end of a capacitor C1 and a resistor R1, and the other end of an inductor X1 is connected with the other end of the resistor R1 and the switch control module.
3. The three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply as claimed in claim 2, wherein the switch control module comprises a resistor R4, a switch S2, a switch S1, a relay J1, a diode D7, a resistor R2 and a diode Z1, one end of the resistor R4 is connected with the switch S1 and the buck rectification filter module, the other end of the resistor R4 is connected with the switch S2, the other end of the switch S2 is connected with a relay J1 and the cathode of the diode D7, the other end of the relay J1 is connected with the anode of the diode D7 and the anode of the diode D6, the other end of the switch S1 is connected with the resistor R2, the other end of the resistor R2 is connected with the cathode of the diode Z1 and the voltage regulation module, and the anode of the diode Z1 is grounded.
4. The three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply as claimed in claim 1, wherein the voltage-stabilizing regulation module comprises a voltage stabilizer U1, a potentiometer RP1 and a resistor R3, the input end of the voltage stabilizer U1 is connected with the switch control module, the grounding end of the voltage stabilizer U1 is connected with the potentiometer RP1 and the resistor R3, the output end of the voltage stabilizer U1 is connected with the other end of the resistor R3 and the voltage output module, and the other end of the potentiometer RP1 is grounded.
5. The three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply as claimed in claim 1, wherein the voltage output module comprises an integrated circuit U2, a pin 8 of the integrated circuit U2 is connected with the voltage-stabilizing regulation module and a capacitor C2, the other end of the capacitor C2 is grounded, a pin 6 of the integrated circuit U2 is grounded, a pin 5 of the integrated circuit U2 is connected with the capacitor C4, the other end of the capacitor C4 is grounded, a pin 2 of the integrated circuit U2 is connected with a pin 4 of the integrated circuit U2 through a capacitor C3, and a pin 3 of the integrated circuit U2 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123205816.2U CN216531104U (en) | 2021-12-20 | 2021-12-20 | Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123205816.2U CN216531104U (en) | 2021-12-20 | 2021-12-20 | Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216531104U true CN216531104U (en) | 2022-05-13 |
Family
ID=81500748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123205816.2U Active CN216531104U (en) | 2021-12-20 | 2021-12-20 | Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216531104U (en) |
-
2021
- 2021-12-20 CN CN202123205816.2U patent/CN216531104U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106655431B (en) | Automatic current regulation charger circuit | |
| CN108281979A (en) | A kind of electronics feedback load circuit of suitable low-voltage, high-current input | |
| CN113285425A (en) | Rectifier with protection function | |
| CN206226309U (en) | A kind of low-power power regulation device | |
| CN105207347A (en) | Multi-output power supply supplying power uninterruptedly | |
| CN102255356B (en) | Efficient uninterruptible power supply | |
| CN105553297A (en) | Non-isolated switching power supply circuit for super wide voltage input | |
| CN216531104U (en) | Three-phase input low-voltage large-current high-frequency full-isolation bidirectional switch power supply | |
| CN208352968U (en) | A kind of PFC overvoltage crowbar and device | |
| CN216490206U (en) | High-frequency transformer rectifier integrated AC-DC hybrid switching power supply | |
| CN103296747A (en) | Uninterrupted power system | |
| CN105634321B (en) | The single phase bidirectional DC AC converters and its control method of high reliability | |
| CN204809979U (en) | Automatic switch -over power supply's auxiliary power unit and photovoltaic grid -connected inverter thereof | |
| CN205141991U (en) | PFC (power factor correction) circuit | |
| CN211089129U (en) | Transient power quality problem simulation system | |
| CN217282738U (en) | Direct current switch power supply | |
| CN218829620U (en) | Intelligent constant-voltage controller | |
| CN105790593A (en) | MCU-controlled push-pull boosted circuit | |
| CN116365902B (en) | Switching power supply circuit topology | |
| RU64451U1 (en) | PULSE CONVERTER | |
| CN216390595U (en) | Industrial robot power supply system | |
| CN218449891U (en) | AC-DC conversion power supply circuit | |
| CN218771268U (en) | Power supply circuit with protection function | |
| CN215646189U (en) | Power supply voltage regulator | |
| CN204835962U (en) | Voltage doubler rectifier circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |