CN218124565U - AC/DC intelligent power supply module - Google Patents
AC/DC intelligent power supply module Download PDFInfo
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- CN218124565U CN218124565U CN202222455939.XU CN202222455939U CN218124565U CN 218124565 U CN218124565 U CN 218124565U CN 202222455939 U CN202222455939 U CN 202222455939U CN 218124565 U CN218124565 U CN 218124565U
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Abstract
The utility model relates to a power electronic technology field, specifically speaking relates to alternating current-direct current intelligence power module, including getting electric unit and charging unit, it includes converting circuit and step-down circuit to get the electric unit, the charging unit includes voltage stabilizing circuit, converting circuit connects the step-down circuit, the step-down circuit is connected voltage stabilizing circuit. The utility model discloses a be equipped with conversion circuit, when being connected with the commercial power, the commercial power is turned into the direct current and outwards exports the direct current when charging to battery BT, and the direct current is for the load power supply after the step-down is stable, when commercial power connection interrupted, provides mains voltage through battery BT and adds to integrated chip IC 2's input, with diode D7 output direct current, supplies power to the load, can simplify emergency power source equipment's use step.
Description
Technical Field
The utility model relates to a power electronic technology field, specifically speaking relates to alternating current-direct current intelligent power supply module.
Background
A DC power supply is a device for maintaining a stable voltage and current in a circuit, when two electrodes are communicated with the circuit, a constant potential difference can be maintained between two ends of the circuit, so that a current from a positive electrode to a negative electrode is formed in an external circuit, the AC refers to a current with the current size and the current direction changing periodically along with time, the running average value in a period is zero, the DC is different from the DC, the direction of the DC changes along with time, and the DC does not change periodically.
Current emergency power source equipment if equipment such as treasured charges, only can the one-way connection load carry out the direct current during the use and charge like equipment such as cell-phone, can't realize in the external commercial power synchronous to load equipment power supply, emergency power source self accomplishes the back of charging of power self with the commercial power connection promptly, breaks off the connection with the commercial power, is connected power source equipment and load again and carries out the direct current and charges for the step is comparatively loaded down with trivial details when emergency power source equipment uses, consequently proposes alternating current-direct current intelligent power supply module.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating current-direct current intelligence power module to solve the problem that proposes in the above-mentioned background art.
In order to realize the above object, the utility model provides an alternating current-direct current intelligence power module, including getting electric unit and charging unit, it includes converting circuit and step-down circuit to get the electric unit, the charging unit includes voltage stabilizing circuit, converting circuit connects the step-down circuit, the step-down circuit is connected voltage stabilizing circuit, converting circuit is used for connecting outside commercial power and converts into the direct current, step-down circuit is used for reducing the direct current voltage of conversion, voltage stabilizing circuit is used for holding current voltage's stability.
As a further improvement of the present technical solution, the conversion circuit includes a rectifier bridge DG, resistors R1, R2, R3, R4, R5, R6, R7, R8, a battery BT, capacitors C1, C2, C3, C4, C5, diodes D5, D6, D7, D8, D9, integrated chips IC1, IC2, a triode Q1, and a transformer, wherein,
the rectifier bridge DG is connected with a transformer, the transformer is connected with a mains supply, one end of the rectifier bridge DG is connected with the capacitors C1 and C3, the resistors R1, R2, R5 and R7 and connected with the integrated chip IC1 in parallel, the integrated chip IC1 is connected with the diodes D5 and D6 and connected with the capacitor C4, the diode D5 is connected with the other ends of the capacitors C3 and C4 and connected with the other end of the resistor R7, and the other end of the rectifier bridge DG is connected with the battery BT, the resistor R4, the triode Q1, the capacitors C2 and C5 and the diode D7 and connected with the other ends of the capacitors C1 and C4 in parallel;
the battery BT is connected with the other end of the resistor R1 and is connected with the diode D9, the diode D9 is connected with the resistor R8 and is connected with the integrated chip IC2, the resistor R8 is connected with the triode Q1 and is connected with the resistor R6, the resistor R6 is connected with the other ends of the capacitor C2 and the resistor R5, and the triode Q1 is connected with the resistor R3 and is connected with the other end of the resistor R4;
the integrated chip IC2 is connected with the other end of the diode D7 and the other end of the capacitor C5 and connected with the diode D8, and the diode D8 is connected with the other end of the diode D6.
As a further improvement of the technical solution, the conversion circuit further includes a key S1, S2, and S3, one end of the key S1 is connected to the resistor R1, the other end of the key S1 is connected to the resistor R2, one end of the key S2 is connected to the battery BT and the other end of the resistor R1, the other end of the key S2 is connected to the diode D9, one end of the key S3 is connected to the diode D9, and the other end of the key S3 is connected to the resistor R8.
As a further improvement of the technical solution, the conversion circuit further includes light emitting diodes L1 and L2, and a resistor R9, one end of the light emitting diode L1 is connected to the resistor R1, the other end of the light emitting diode L1 is connected to the battery BT, one end of the resistor R9 is connected to a common end of the integrated chip IC2 and the diode D9, the other end of the resistor R9 is connected to the light emitting diode L2, and the light emitting diode L2 is connected to the capacitor C5.
As a further improvement of the technical solution, the voltage-reducing circuit includes resistors R0, RL and a diode Dz, one end of the resistor R0 is connected to a common end of the diodes D6 and D8, the other end of the resistor R0 is connected to the resistor RL and the diode Dz and connected to the Ui end, and the other end of the resistor RL is connected to the capacitor C5 and connected to the other end of the diode Dz.
As a further improvement of the technical scheme, the voltage stabilizing circuit comprises resistors R21, R22 and R23, capacitors C21 and C22, a channel IRF1, a diode D11, an inductor Li, and triodes Q2, Q3 and Q4, wherein,
the pin 1 of the channel IRF1 is connected with the triodes Q3 and Q4, the triode Q3 is connected with the resistor R24 and is grounded, the triode Q4 is connected with the resistors R21 and R23, the resistor R24 is connected with the other end of the resistor R23 and is connected with the triode Q2 and the resistor R22 in parallel, and the triode Q2 is grounded;
a pin 2 of the channel IRF1 is connected with the inductor Li and connected with the diode D11, the diode D11 is connected with the capacitors C21 and C22 and grounded, and the capacitors C21 and C22 are connected with the other end of the inductor Li and connected with Vo;
and a pin 3 of the channel IRF1 is connected with the other ends of the resistors R21 and R22 and connected with the Ui end in parallel.
Compared with the prior art, the beneficial effects of the utility model are that:
in this alternating current-direct current intelligence power supply module, through being equipped with conversion circuit, when being connected with the commercial power, the commercial power is turned into the direct current and outwards exports the direct current when charging to battery BT, and the direct current supplies power for the load after the step-down is stabilized, when commercial power connection was interrupted, provides mains voltage through battery BT and adds to integrated chip IC 2's input, exports the direct current with diode D7, supplies power to the load, can simplify emergency power source equipment's use step.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a circuit diagram of the power supply unit of the present invention;
fig. 3 is a diagram of the voltage stabilizing circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 to fig. 3, the present embodiment provides an ac/dc intelligent power supply module, which includes a power taking unit and a charging unit, wherein the power taking unit includes a converting circuit and a voltage reducing circuit, the charging unit includes a voltage stabilizing circuit, the converting circuit is connected to the voltage reducing circuit, the voltage reducing circuit is connected to the voltage stabilizing circuit, the converting circuit is used for connecting to an external commercial power and converting the converted commercial power into a direct current, the voltage reducing circuit is used for reducing a converted direct current voltage, and the voltage stabilizing circuit is used for maintaining a current voltage stable.
The conversion circuit is electrically connected with an external 220V alternating current and converts the 220V alternating current into a direct current with higher voltage, and the direct current with higher voltage is subjected to voltage reduction through the voltage reduction circuit and further subjected to rectification and voltage stabilization through the voltage stabilizing circuit to generate stable low-voltage direct current so as to supply power to a load.
In this embodiment, the conversion circuit includes a rectifier bridge DG, resistors R1, R2, R3, R4, R5, R6, R7, R8, a battery BT, capacitors C1, C2, C3, C4, C5, diodes D5, D6, D7, D8, D9, integrated chips IC1, IC2, a transistor Q1, and a transformer, wherein,
the rectifier bridge DG is connected with a transformer, the transformer is connected with a mains supply, one end of the rectifier bridge DG is connected with capacitors C1 and C3, resistors R1, R2, R5 and R7 and connected with the integrated chip IC1 in parallel, the integrated chip IC1 is connected with diodes D5 and D6 and connected with a capacitor C4, the diode D5 is connected with the capacitors C3 and C4 and connected with the other end of the resistor R7 in parallel, the other end of the rectifier bridge DG is connected with a battery BT, the resistor R4, a triode Q1, the capacitors C2 and C5 and the diode D7 and connected with the other ends of the capacitors C1 and C4 in parallel;
the battery BT is connected with the other end of the resistor R1 and connected with the diode D9, the diode D9 is connected with the resistor R8 and connected with the integrated chip IC2, the resistor R8 is connected with the triode Q1 and connected with the resistor R6, the resistor R6 is connected with the other ends of the capacitor C2 and the resistor R5, and the triode Q1 is connected with the resistor R3 and connected with the other end of the resistor R4;
the integrated chip IC2 is connected with the other end of the diode D7, the other end of the capacitor C5 is connected with the diode D8 in parallel, and the diode D8 is connected with the other end of the diode D6.
When the commercial power is connected, the commercial power supplies power to the conversion circuit, the conversion circuit converts the generated direct current and outputs the direct current while charging the battery BT, the direct current supplies power to a load after voltage reduction and stabilization, when the commercial power is interrupted, the commercial power does not supply power to the conversion circuit any more, the triode Q1 is cut off, the potential is increased, the battery BT supplies power voltage to the input end of the integrated chip IC2, the diode D7 outputs the direct current, and the load is supplied with power.
In order to ensure the normal use of the circuit, the conversion circuit further comprises keys S1, S2 and S3, one end of the key S1 is connected with the resistor R1, the other end of the key S1 is connected with the resistor R2, one end of the key S2 is connected with the battery BT and the other end of the resistor R1, the other end of the key S2 is connected with the diode D9, one end of the key S3 is connected with the diode D9, and the other end of the key S3 is connected with the u resistor R8.
Whether the conversion function of the circuit is normal can be checked through pressing the key S1 to switch on the circuit, the circuit can be cut off through pressing the keys S2 and S3 when the conversion circuit is idle, discharging of the battery BT is avoided, and normal use of the circuit is guaranteed.
In order to facilitate the working state of the circuit to be known, the conversion circuit further comprises light emitting diodes L1 and L2 and a resistor R9, one end of the light emitting diode L1 is connected with the resistor R1, the other end of the light emitting diode L1 is connected with the battery BT, one end of the resistor R9 is connected with the common end of the integrated chip IC2 and the diode D9, the other end of the resistor R9 is connected with the light emitting diode L2, and the light emitting diode L2 is connected with a capacitor C5.
When current flows through the resistor R1, the light emitting diode L1 is lightened, and when current flows through the capacitor C5, the light emitting diode L2 is lightened, so that the working state of the circuit can be known.
The voltage reduction circuit comprises resistors R0 and RL and a diode Dz, wherein one end of the resistor R0 is connected with the common end of the diodes D6 and D8, the other end of the resistor R0 is connected with the resistor RL and the diode Dz and connected with the Ui end in parallel, and the other end of the resistor RL is connected with the capacitor C5 and connected with the other end of the diode Dz in parallel.
The diode DZ is a voltage stabilizing diode, the resistor R0 is a current limiting resistor, the resistor RL is an actual load, and stable load current can be obtained by reducing voltage through the series resistor R0.
The voltage stabilizing circuit comprises resistors R21, R22 and R23, capacitors C21 and C22, a channel IRF1, a diode D11, an inductor Li, triodes Q2, Q3 and Q4, wherein,
the pin 1 of the channel IRF1 is connected with triodes Q3 and Q4, the triode Q3 is connected with a resistor R24 and grounded, the triode Q4 is connected with resistors R21 and R23, the resistor R24 is connected with the other end of the resistor R23 and connected with a triode Q2 and a resistor R22, and the triode Q2 is grounded;
the pin 2 of the channel IRF1 is connected with an inductor Li and connected with a diode D11 in parallel, the diode D11 is connected with capacitors C21 and C22 and connected with the ground, and the capacitors C21 and C22 are both connected with the other end of the inductor Li and connected with Vo in parallel;
the pin 3 of the channel IRF1 is connected with the other ends of the resistors R21 and R22 in parallel and connected with the Ui end.
The circuit adopts a step-down chopper circuit, changes the duty ratio of PWM waves generated by the step-down chopper circuit according to the sampled feedback voltage program control, and controls the on and off of a P channel IRF1 switch through the drive of a push-pull circuit consisting of triodes Q2, Q3 and Q4 so as to stabilize the output voltage or current at a set value.
The alternating current-direct current intelligent power supply module of this embodiment, when specifically using, conversion circuit and outside 220V alternating current are connected, and turn into the higher direct current of voltage with the 220V alternating current, wherein when being connected with the commercial power, the commercial power supplies power to conversion circuit, conversion circuit conversion produces the direct current and exports the direct current when charging battery BT, the direct current supplies power for the load after stabilizing through the step-down, when the commercial power connection is interrupted, the commercial power no longer supplies power to conversion circuit, triode Q1 ends, the electric potential risees, make battery BT provide mains voltage and add to integrated chip IC 2's input, export the direct current with diode D7, supply power to the load, and after the direct current carries out the step-down voltage through the step-down circuit, further carry out the rectification steady voltage through voltage stabilizing circuit and produce stable low voltage direct current, with the power supply to the load.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Alternating current-direct current intelligence power module, its characterized in that: the charging unit comprises a voltage stabilizing circuit, the converting circuit is connected with the voltage reducing circuit, the voltage reducing circuit is connected with the voltage stabilizing circuit, the converting circuit is used for being connected with an external commercial power and converting the commercial power into direct current, the voltage reducing circuit is used for reducing the converted direct current voltage, and the voltage stabilizing circuit is used for keeping the current and the voltage stable.
2. The ac-dc intelligent power supply module according to claim 1, wherein: the conversion circuit comprises a rectifier bridge DG, resistors R1, R2, R3, R4, R5, R6, R7 and R8, a battery BT, capacitors C1, C2, C3, C4 and C5, diodes D5, D6, D7, D8 and D9, integrated chips IC1 and IC2, a triode Q1 and a transformer, wherein,
the rectifier bridge DG is connected with a transformer, the transformer is connected with a mains supply, one end of the rectifier bridge DG is connected with the capacitors C1 and C3, the resistors R1, R2, R5 and R7 and is connected with the integrated chip IC1 in parallel, the integrated chip IC1 is connected with the diodes D5 and D6 and is connected with the capacitor C4, the diode D5 is connected with the other ends of the capacitors C3 and C4 and is connected with the other end of the resistor R7, and the other end of the rectifier bridge DG is connected with the battery BT, the resistor R4, the triode Q1, the capacitors C2 and C5 and the diode D7 and is connected with the other ends of the capacitors C1 and C4 in parallel;
the battery BT is connected with the other end of the resistor R1 and is connected with the diode D9, the diode D9 is connected with the resistor R8 and is connected with the integrated chip IC2, the resistor R8 is connected with the triode Q1 and is connected with the resistor R6, the resistor R6 is connected with the other ends of the capacitor C2 and the resistor R5, and the triode Q1 is connected with the resistor R3 and is connected with the other end of the resistor R4;
the integrated chip IC2 is connected with the diode D7, the other end of the capacitor C5 is connected with the diode D8 in parallel, and the diode D8 is connected with the other end of the diode D6.
3. The ac-dc intelligent power supply module according to claim 2, wherein: the conversion circuit further comprises keys S1, S2 and S3, one end of the key S1 is connected with the resistor R1, the other end of the key S1 is connected with the resistor R2, one end of the key S2 is connected with the battery BT and the other end of the resistor R1, the other end of the key S2 is connected with the diode D9, one end of the key S3 is connected with the diode D9, and the other end of the key S3 is connected with the resistor R8.
4. The ac-dc intelligent power supply module according to claim 2, wherein: the conversion circuit further comprises light emitting diodes L1 and L2 and a resistor R9, one end of the light emitting diode L1 is connected with the resistor R1, the other end of the light emitting diode L1 is connected with the battery BT, one end of the resistor R9 is connected with the common end of the integrated chip IC2 and the diode D9, the other end of the resistor R9 is connected with the light emitting diode L2, and the light emitting diode L2 is connected with the capacitor C5.
5. The ac-dc intelligent power supply module according to claim 2, wherein: the voltage reduction circuit comprises resistors R0 and RL and a diode Dz, one end of the resistor R0 is connected with the common end of the diodes D6 and D8, the other end of the resistor R0 is connected with the resistor RL and the diode Dz and connected with the Ui end in parallel, and the other end of the resistor RL is connected with the capacitor C5 and connected with the other end of the diode Dz in parallel.
6. The AC/DC intelligent power supply module according to claim 5, wherein: the voltage stabilizing circuit comprises resistors R21, R22 and R23, capacitors C21 and C22, a channel IRF1, a diode D11, an inductor Li, and triodes Q2, Q3 and Q4, wherein,
the pin 1 of the channel IRF1 is connected with the triodes Q3 and Q4, the triode Q3 is connected with the resistor R24 and grounded, the triode Q4 is connected with the resistors R21 and R23, the resistor R24 is connected with the other end of the resistor R23 and is connected with the triode Q2 and the resistor R22 in parallel, and the triode Q2 is grounded;
the No. 2 pin of the channel IRF1 is connected with the inductor Li and connected with the diode D11, the diode D11 is connected with the capacitors C21 and C22 and connected with the ground, and the capacitors C21 and C22 are both connected with the other end of the inductor Li and connected with Vo;
and a pin 3 of the channel IRF1 is connected with the other ends of the resistors R21 and R22 and connected with the Ui end in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222455939.XU CN218124565U (en) | 2022-09-16 | 2022-09-16 | AC/DC intelligent power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222455939.XU CN218124565U (en) | 2022-09-16 | 2022-09-16 | AC/DC intelligent power supply module |
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| Publication Number | Publication Date |
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| CN218124565U true CN218124565U (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222455939.XU Active CN218124565U (en) | 2022-09-16 | 2022-09-16 | AC/DC intelligent power supply module |
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| Country | Link |
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| CN (1) | CN218124565U (en) |
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- 2022-09-16 CN CN202222455939.XU patent/CN218124565U/en active Active
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