CN218888391U - Power supply circuit capable of rapidly outputting voltage, current and power frequency - Google Patents
Power supply circuit capable of rapidly outputting voltage, current and power frequency Download PDFInfo
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- CN218888391U CN218888391U CN202223276545.4U CN202223276545U CN218888391U CN 218888391 U CN218888391 U CN 218888391U CN 202223276545 U CN202223276545 U CN 202223276545U CN 218888391 U CN218888391 U CN 218888391U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a quick output voltage current power frequency power supply circuit relates to quick power supply field, and this quick output voltage current power frequency power supply circuit includes: the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification filtering module; the voltage reduction rectification filtering module is used for converting 220V alternating current into direct current; the current processing module is used for reducing impedance to charge the energy storage capacitor at the beginning and restoring the impedance to supply power to the load through the output module after time delay; the time-delay working module is used for controlling the current processing module to recover the impedance after time delay; compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at last electric initial stage, obtain great electric current for energy storage capacitor quick charge through reducing the impedance, resume impedance after time delay work module time delay, be the load power supply through output module, reduced energy storage capacitor's charge time to this accelerates the power supply for the load.
Description
Technical Field
The utility model relates to a quick power supply field specifically is a quick output voltage current power frequency power supply circuit.
Background
For products which need to perform power failure storage or power failure alarm function, the power failure storage or power failure alarm function is often realized by utilizing the characteristic that a large-capacity capacitor discharges slowly, so that the time for storing important data and safely closing the system is maintained by depending on the energy stored by the capacitor under the condition that an external power supply of the system is powered off.
However, this results in slow power-up and inability to quickly power the device, requiring improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick output voltage electric current power frequency power supply circuit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fast output voltage current power frequency power supply circuit comprising:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification filtering module;
the voltage reduction rectification filtering module is used for converting 220V alternating current into direct current;
the current processing module is used for reducing impedance to charge the energy storage capacitor at the beginning and restoring the impedance to supply power to the load through the output module after time delay;
the delay working module is used for controlling the current processing module to restore impedance after delay;
the abnormal grounding module is used for detecting whether the voltage output by the current processing module exceeds a threshold value or not and disconnecting the output module when the voltage exceeds the threshold value;
the output module is used for supplying power to a load;
the voltage-reducing rectifying and filtering module is connected with the current processing module, the current processing module is connected with the time-delay working module, the abnormal grounding module and the output module, and the abnormal grounding module is connected with the output module.
As a further aspect of the present invention: the voltage reduction rectification filter module comprises a transformer W, a rectifier T, a capacitor C1, an inductor L1, a capacitor C2, a mains supply module is connected to the input end of the transformer W, the first end of the rectifier T is connected to the output end one end of the transformer W, the third end of the rectifier T is connected to the other end of the output end of the transformer W, the second end of the rectifier T is grounded, one end of the capacitor C1 is connected to the fourth end of the rectifier T, one end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the inductor L1 is grounded, one end of the capacitor C2 is connected to the other end of the inductor L1, a current processing module is arranged, and the other end of the capacitor C2 is grounded.
As a further aspect of the present invention: the current processing module comprises a resistor R1, a switch S1, an interface A, an interface B, an energy storage capacitor C3, a voltage reduction rectification filter module is connected to one end of the resistor R1, one end of the other end of the resistor R1 is connected with one end of the switch S1, the other end of the switch S1 is connected with the interface A/interface B, one end of the other end of the interface A is connected with a resistor R2, one end of the energy storage capacitor C3, a time delay working module, an abnormal grounding module, an output module, the other end of the interface B is connected with the other end of the resistor R2, and the other end of the energy storage capacitor C3 is grounded.
As a further aspect of the present invention: the time delay work module includes stabiliser U1, resistance R3, electric capacity C4, relay J1, diode D1, current processing module is connected to stabiliser U1's input, stabiliser U1's earthing terminal ground connection, stabiliser U1's output connecting resistance R3's one end, electric capacity C4's one end is connected to resistance R3's the other end, relay J1's one end, diode D1's negative pole, electric capacity C4's other end ground connection, relay J1's other end ground connection, diode D1's anodal ground connection.
As a further aspect of the present invention: unusual ground connection module includes MOS pipe V1, diode D2, relay J2, diode D3, resistance R4, diode D3 ' S negative pole is connected to MOS pipe V1 ' S D utmost point, the current processing module, MOS pipe V1 ' S G utmost point is connected to diode D3 ' S positive pole, resistance R4 ' S one end, resistance R4 ' S other end ground connection, relay J2 ' S one end is connected to MOS pipe V1 ' S the S utmost point, diode D2 ' S negative pole, relay J2 ' S other end ground connection, diode D2 ' S anodal ground connection.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses at last electric initial stage, obtain great electric current for energy storage electric capacity quick charge through reducing the impedance, resume impedance after time delay work module delays, be the load power supply through output module, reduced energy storage electric capacity's charge time to this accelerates the power supply for the load.
Drawings
Fig. 1 is a schematic diagram of a fast output voltage current power frequency power supply circuit.
Fig. 2 is a circuit diagram of a fast output voltage current power frequency power circuit.
Fig. 3 is a pin diagram of a MOS transistor.
Detailed Description
The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1, a fast output voltage-current power frequency power circuit includes:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification filtering module;
the voltage reduction rectification filtering module is used for converting 220V alternating current into direct current;
the current processing module is used for reducing impedance to charge the energy storage capacitor at the beginning and restoring the impedance to supply power to the load through the output module after time delay;
the time-delay working module is used for controlling the current processing module to recover the impedance after time delay;
the abnormal grounding module is used for detecting whether the voltage output by the current processing module exceeds a threshold value or not and disconnecting the output module when the voltage exceeds the threshold value;
the output module is used for supplying power to a load;
the commercial power supply module is connected with the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module is connected with the current processing module, the current processing module is connected with the time-delay working module, the abnormal grounding module and the output module, and the abnormal grounding module is connected with the output module.
In this embodiment: referring to fig. 2, the voltage-reducing rectification filter module includes a transformer W, a rectifier T, a capacitor C1, an inductor L1, and a capacitor C2, an input end of the transformer W is connected to the mains supply module, one end of an output end of the transformer W is connected to a first end of the rectifier T, the other end of the output end of the transformer W is connected to a third end of the rectifier T, a second end of the rectifier T is grounded, a fourth end of the rectifier T is connected to one end of the capacitor C1 and one end of the inductor L1, the other end of the capacitor C1 is grounded, the other end of the inductor L1 is connected to one end of the capacitor C2, the current processing module, and the other end of the capacitor C2 is grounded.
The 220V alternating current is changed into low-voltage alternating current through the transformer W, is changed into low-voltage direct current through the rectifier T, and is changed into stable direct current through a filter circuit formed by the capacitor C1, the capacitor C2 and the inductor L1.
In this embodiment: referring to fig. 2, the current processing module includes a resistor R1, a switch S1, an interface a, an interface B, and an energy storage capacitor C3, one end of the resistor R1 is connected to the buck rectifying and filtering module, the other end of the resistor R1 is connected to one end of the switch S1, the other end of the switch S1 is connected to the interface a/interface B, the other end of the interface a is connected to one end of the resistor R2, one end of the energy storage capacitor C3, the delay operation module, the abnormal grounding module, and the output module, the other end of the interface B is connected to the other end of the resistor R2, and the other end of the energy storage capacitor C3 is grounded.
At the initial stage of power-on, the switch S1 is connected to the interface A, and at the moment, the impedance (line impedance) from the switch S1 to the energy storage capacitor C3 is negligible, so that the energy storage capacitor C3 is rapidly charged; after time delay, the switch S1 is connected to the interface B, the resistance value of the resistor R2 is increased from the switch S1 to the energy storage capacitor C3 through impedance, the voltage and the current at the energy storage capacitor C3 are reduced, and power is supplied to the load through the output module.
In this embodiment: referring to fig. 2, the delay working module includes a voltage stabilizer U1, a resistor R3, a capacitor C4, a relay J1, and a diode D1, wherein an input terminal of the voltage stabilizer U1 is connected to the current processing module, a ground terminal of the voltage stabilizer U1 is grounded, an output terminal of the voltage stabilizer U1 is connected to one end of the resistor R3, the other end of the resistor R3 is connected to one end of the capacitor C4, one end of the relay J1, a cathode of the diode D1, the other end of the capacitor C4 is grounded, the other end of the relay J1 is grounded, and an anode of the diode D1 is grounded.
After electrification, when the voltage on the energy storage capacitor C3 reaches the voltage capable of starting the voltage stabilizer U1, the voltage stabilizer U1 charges the delay capacitor C4 through the resistor R3, after the delay of the capacitor C4, the relay J1 is started to work, and the relay J1 controls the switch S1 to be connected to the interface B.
In this embodiment: referring to fig. 2 and 3, the abnormal grounding module includes a MOS transistor V1, a diode D2, a relay J2, a diode D3, and a resistor R4, the D pole of the MOS transistor V1 is connected to the cathode of the diode D3, the current processing module, the anode of the diode D3 is connected to the G pole of the MOS transistor V1, one end of the resistor R4, the other end of the resistor R4 is grounded, the S pole of the MOS transistor V1 is connected to one end of the relay J2, the cathode of the diode D2, the other end of the relay J2 is grounded, and the anode of the diode D2 is grounded.
MOS pipe V1 is the NMPS pipe, switches on when G is very high level, and under normal conditions, output module' S voltage should not exceed threshold value (the voltage on energy storage capacitor C3), consequently sets up zener diode D3, and when output voltage exceeded the threshold value (at this moment preceding circuit is unusual), trigger MOS pipe V1 switches on, and then relay J2 gets electric disconnect switch S2, and output module stops the power supply.
The utility model discloses a theory of operation is: the commercial power module supplies 220V alternating current and outputs the alternating current to the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module converts the 220V alternating current into direct current, the impedance is reduced to charge the energy storage capacitor at the beginning of the current processing module, the impedance is recovered after time delay to supply power to a load through the output module, the current processing module is controlled to recover the impedance after time delay of the time delay working module, the abnormal grounding module detects whether the voltage output by the current processing module exceeds a threshold value, the output module is disconnected when the voltage exceeds the threshold value, and the output module supplies power to the load.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A fast output voltage current power frequency power supply circuit, characterized by:
the fast output voltage current power frequency power supply circuit includes:
the mains supply module is used for supplying 220V alternating current and outputting the alternating current to the voltage reduction rectification filtering module;
the voltage reduction rectification filtering module is used for converting 220V alternating current into direct current;
the current processing module is used for reducing impedance to charge the energy storage capacitor at the beginning and restoring the impedance to supply power to the load through the output module after time delay;
the time-delay working module is used for controlling the current processing module to recover the impedance after time delay;
the abnormal grounding module is used for detecting whether the voltage output by the current processing module exceeds a threshold value or not and disconnecting the output module when the voltage exceeds the threshold value;
the output module is used for supplying power to a load;
the commercial power supply module is connected with the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module is connected with the current processing module, the current processing module is connected with the time-delay working module, the abnormal grounding module and the output module, and the abnormal grounding module is connected with the output module.
2. The fast output voltage current power frequency power circuit according to claim 1, wherein the buck rectifier filter module comprises a transformer W, a rectifier T, a capacitor C1, an inductor L1, and a capacitor C2, an input terminal of the transformer W is connected to the mains power module, one end of an output terminal of the transformer W is connected to the first terminal of the rectifier T, the other end of the output terminal of the transformer W is connected to the third terminal of the rectifier T, the second terminal of the rectifier T is grounded, the fourth terminal of the rectifier T is connected to one end of the capacitor C1 and one end of the inductor L1, the other end of the capacitor C1 is grounded, the other end of the inductor L1 is connected to one end of the capacitor C2 and the current processing module, and the other end of the capacitor C2 is grounded.
3. The fast output voltage current power frequency power supply circuit according to claim 1, wherein the current processing module comprises a resistor R1, a switch S1, an interface a, an interface B, and an energy storage capacitor C3, one end of the resistor R1 is connected to the buck rectifying and filtering module, the other end of the resistor R1 is connected to one end of the switch S1, the other end of the switch S1 is connected to the interface a/interface B, the other end of the interface a is connected to one end of a resistor R2, one end of the energy storage capacitor C3, the delay operation module, the abnormal grounding module, and the output module, the other end of the interface B is connected to the other end of the resistor R2, and the other end of the energy storage capacitor C3 is grounded.
4. The circuit according to claim 3, wherein the delay operation module comprises a voltage regulator U1, a resistor R3, a capacitor C4, a relay J1 and a diode D1, an input terminal of the voltage regulator U1 is connected with the current processing module, a ground terminal of the voltage regulator U1 is grounded, an output terminal of the voltage regulator U1 is connected with one end of the resistor R3, the other end of the resistor R3 is connected with one end of the capacitor C4, one end of the relay J1 and a negative electrode of the diode D1, the other end of the capacitor C4 is grounded, the other end of the relay J1 is grounded, and an anode of the diode D1 is grounded.
5. The fast output voltage current power frequency power supply circuit according to claim 3, wherein the abnormal grounding module comprises a MOS transistor V1, a diode D2, a relay J2, a diode D3 and a resistor R4, the D pole of the MOS transistor V1 is connected with the cathode of the diode D3 and the current processing module, the anode of the diode D3 is connected with the G pole of the MOS transistor V1 and one end of the resistor R4, the other end of the resistor R4 is grounded, the S pole of the MOS transistor V1 is connected with one end of the relay J2 and the cathode of the diode D2, the other end of the relay J2 is grounded, and the anode of the diode D2 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223276545.4U CN218888391U (en) | 2022-12-07 | 2022-12-07 | Power supply circuit capable of rapidly outputting voltage, current and power frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223276545.4U CN218888391U (en) | 2022-12-07 | 2022-12-07 | Power supply circuit capable of rapidly outputting voltage, current and power frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218888391U true CN218888391U (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223276545.4U Active CN218888391U (en) | 2022-12-07 | 2022-12-07 | Power supply circuit capable of rapidly outputting voltage, current and power frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218888391U (en) |
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2022
- 2022-12-07 CN CN202223276545.4U patent/CN218888391U/en active Active
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