CN219918481U - Battery direct current follows switching power supply circuit - Google Patents
Battery direct current follows switching power supply circuit Download PDFInfo
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- CN219918481U CN219918481U CN202320678598.4U CN202320678598U CN219918481U CN 219918481 U CN219918481 U CN 219918481U CN 202320678598 U CN202320678598 U CN 202320678598U CN 219918481 U CN219918481 U CN 219918481U
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Abstract
The utility model discloses a battery direct current following switch power supply circuit which comprises a first switch power supply topology circuit, a second switch power supply topology circuit, a third switch power supply topology circuit, a fourth switch power supply topology circuit, a battery charging circuit and a battery following circuit. When the alternating current L/N supplies power, the switching power supply directly obtains the rectified and filtered direct current voltage VB, the later stage works, and meanwhile, the alternating current charges a battery through a battery charger; when the alternating current stops supplying power, the series-parallel battery voltage supplies power VB through the anti-reverse diode, and the subsequent stage works, so that the purpose of uninterrupted power supply is achieved.
Description
Technical Field
The utility model relates to the technical field of switching power supplies, in particular to a battery direct current follow-up switching power supply circuit.
Background
When the mains supply fails, the switching power supply does not work, the electric appliance cannot be normally used, if secondary power supply is carried out by means of the inverter, the use is inconvenient, the inverter converts direct current into alternating current through direct current, conversion efficiency loss is serious, and energy waste is caused.
For this purpose, we propose a battery dc tracking switching power supply circuit.
Disclosure of Invention
The utility model aims to provide a battery direct current following switch power supply circuit to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the battery direct current following switch power supply circuit comprises a first switch power supply topology circuit, a second switch power supply topology circuit, a third switch power supply topology circuit, a fourth switch power supply topology circuit, a battery charging circuit and a battery following circuit, wherein the first switch power supply topology circuit, the second switch power supply topology circuit, the third switch power supply topology circuit, the fourth switch power supply topology circuit and the battery charging circuit are electrically connected with the battery following circuit, the battery charging circuit and a battery in the battery following circuit are combined in series-parallel to form a single body, alternating current charges the battery combined single body through a plurality of chargers, the chargers are used for isolating and outputting direct current, the batteries/chargers are connected in series to obtain direct current voltage VB lower than direct current voltage VB after alternating current rectification, and the reverse connection preventing diodes D501, D502, D503, D504 and D50n are respectively connected to the VB ends VB101, VB201, VB301 and VB401 of the switch power supply.
Optionally, the ac power in the first switching power topology circuit is rectified and filtered by the bridge stacks BD101 and EC101 to obtain the DC power VB101 for the subsequent stage to work, and the DC power DC101 required by the electrical appliance is realized through voltage transformation of the transformer.
Optionally, the ac power in the second switching power topology circuit is rectified and filtered by the bridge stacks BD201 and EC201 to obtain the DC power VB201 for the subsequent stage to work, and the DC power DC201 required by the electrical appliance is realized through voltage transformation of the transformer.
Optionally, the ac power in the third switching power topology circuit is rectified and filtered by the bridge stacks BD301 and EC301 to obtain the DC power VB301 for the subsequent stage to work, and the DC power DC301 required by the electrical appliance is realized through voltage transformation of the transformer.
Optionally, the alternating current in the fourth switching power topology circuit is rectified and filtered through the bridge stacks BD401 and EC401 to obtain direct current VB401 for later stage work, and through voltage transformation of a transformer, direct current DC401 required by an electric appliance is realized.
Optionally, the battery charging circuit comprises a battery and a battery charger, the battery charger outputs direct current in an isolated and output mode to charge a plurality of groups of battery serial-parallel connection bodies, and the battery charger outputs are connected in series.
Optionally, the battery serial-parallel connection bodies are further connected in series to obtain a direct-current voltage VB lower than the alternating-current rectifying and filtering voltage VB, the negative electrode of the battery serial-parallel connection body is connected with the direct-current voltage negative electrode GND after the alternating-current rectifying and filtering voltage VB, and the positive electrode of the battery serial-parallel connection body is connected with the direct-current voltage positive electrode VB after the alternating-current rectifying and filtering voltage VB.
Compared with the prior art, the utility model has the beneficial effects that:
1. the battery direct current following switch power supply circuit is characterized in that a battery charging circuit and a battery following circuit 5 are arranged, wherein batteries are combined in series and parallel to form a single unit, alternating current charges the single battery combination unit through a charger 1, a charger 2, a charger 3, a charger 4 and a charger n, and the charger outputs direct current in an isolated manner; the battery/charger is connected in series to obtain a direct-current voltage VB lower than the alternating-current rectified voltage, the reverse diodes D501, D502, D503, D504 and D50n are prevented from being respectively connected to the switching power supply VB ends VB101, VB201, VB301 and VB401, the direct-current voltage VB ends of the switching power supplies after alternating-current rectification and filtration are connected, the negative electrodes are connected with the direct-current voltage negative electrode GND of the alternating-current rectification and filtration, and the number of the connected switching power supplies is not limited; when the alternating current L/N supplies power, the switching power supply directly obtains the rectified and filtered direct current voltage VB, the later stage works, and meanwhile, the alternating current charges a battery through a battery charger; when the alternating current stops supplying power, the series-parallel battery voltage supplies power VB through the anti-reverse diode, and the subsequent stage works, so that the purpose of uninterrupted power supply is achieved.
Drawings
Fig. 1 is a schematic diagram of a topology circuit of a first switching power supply of a battery dc tracking switching power supply circuit according to the present utility model;
fig. 2 is a schematic diagram of a topology circuit of a second switching power supply of the battery dc tracking switching power supply circuit according to the present utility model;
fig. 3 is a schematic diagram of a third switching power supply topology of the battery dc tracking switching power supply circuit according to the present utility model;
FIG. 4 is a schematic diagram of a fourth switching power supply topology of the battery DC tracking switch power supply circuit of the present utility model;
fig. 5 is a schematic diagram of a battery charging circuit and a battery tracking circuit 5 of a battery dc tracking switch power circuit according to the present utility model.
In the figure: 1. a first switching power supply topology circuit; 2. a second switching power supply topology circuit; 3. a third switching power supply topology circuit; 4. a fourth switching power supply topology circuit; 5. the battery charging circuit and the battery following circuit.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a battery dc tracking switch power supply circuit, which includes a first switch power supply topology circuit 1, a second switch power supply topology circuit 2, a third switch power supply topology circuit 3, a fourth switch power supply topology circuit 4, and a battery charging circuit and a battery tracking circuit 5, wherein the first switch power supply topology circuit 1, the second switch power supply topology circuit 2, the third switch power supply topology circuit 3, the fourth switch power supply topology circuit 4, and the battery charging circuit and the battery tracking circuit 5 are electrically connected, the battery charging circuit and the battery in the battery tracking circuit 5 are serially connected to form a single body, the ac charges the battery combination single body through a plurality of chargers, the chargers are electrically isolated to output dc voltage VB after ac rectification, and the battery/chargers are serially connected to obtain dc voltage VB lower than the ac rectification, and are respectively connected to the switch power supply VB ends VB101, VB201, VB301, VB401 by preventing reverse connection diodes D503, D504, D50 n.
The alternating current in the first switching power supply topology circuit 1 is rectified and filtered through the bridge stacks BD101 and EC101 to obtain direct current VB101 for later-stage work, and the direct current DC101 required by an electric appliance is realized through voltage conversion of a transformer to further supply power for a terminal product.
The alternating current in the second switching power supply topology circuit 2 is rectified and filtered through the bridge stacks BD201 and EC201 to obtain direct current VB201 for later-stage work, and the direct current DC201 required by an electric appliance is realized through voltage conversion of a transformer to further supply power for a terminal product.
The alternating current in the third switching power supply topology circuit 3 is rectified and filtered through the bridge stacks BD301 and EC301 to obtain direct current VB301 for later-stage work, and the direct current DC301 required by an electric appliance is realized through voltage conversion of a transformer, so that power is further supplied to a terminal product.
The alternating current in the fourth switching power topology circuit 4 is rectified and filtered through the bridge stacks BD401 and EC401 to obtain direct current VB401 for later-stage work, and the direct current VB401 needed by an electric appliance is realized through voltage conversion of a transformer to further supply power for a terminal product.
The battery charging circuit comprises batteries and a battery charger, wherein the battery charger outputs direct current to charge a plurality of groups of battery serial-parallel connection bodies in an isolated mode, and the battery charger outputs the direct current to be connected in series.
The battery serial-parallel connection body is further connected in series to obtain a direct-current voltage VB which is lower than the direct-current voltage VB after alternating-current rectification and filtration, the negative electrode of the battery serial-parallel connection body is connected with the direct-current voltage negative electrode GND after the alternating-current rectification and filtration through the reverse connection prevention diode connection VB, and the positive electrode of the battery serial-parallel connection body is connected with the direct-current voltage positive electrode VB after the alternating-current rectification and filtration.
Working principle: the battery charging circuit and the batteries in the battery following circuit 5 are combined into a single body in series-parallel connection, alternating current charges the battery combined single body through the charger 1, the charger 2, the charger 3, the charger 4 and the charger n, and the charger outputs direct current in an isolated way; the battery/charger is connected in series to obtain a direct-current voltage VB lower than the alternating-current rectified voltage, the reverse diodes D501, D502, D503, D504 and D50n are prevented from being respectively connected to the switching power supply VB ends VB101, VB201, VB301 and VB401, the direct-current voltage VB ends of the switching power supplies after alternating-current rectification and filtration are connected, the negative electrodes are connected with the direct-current voltage negative electrode GND of the alternating-current rectification and filtration, and the number of the connected switching power supplies is not limited; when the alternating current L/N supplies power, the switching power supply directly obtains the rectified and filtered direct current voltage VB, the later stage works, and meanwhile, the alternating current charges a battery through a battery charger; when the alternating current stops supplying power, the series-parallel battery voltage supplies power VB through the anti-reverse diode, and the subsequent stage works, so that the purpose of uninterrupted power supply is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The battery direct current following switch power supply circuit comprises a first switch power supply topology circuit (1), a second switch power supply topology circuit (2), a third switch power supply topology circuit (3), a fourth switch power supply topology circuit (4) and a battery charging circuit and battery following circuit (5), and is characterized in that the first switch power supply topology circuit (1), the second switch power supply topology circuit (2), the third switch power supply topology circuit (3), the fourth switch power supply topology circuit (4) and a battery charging circuit are electrically connected with the battery following circuit (5), the battery charging circuit and a battery in the battery following circuit (5) are connected in series-parallel to form a single body, the alternating current charges the battery combination single body through a plurality of chargers, the chargers are used for isolating and outputting direct current, and the battery/chargers are connected in series to obtain direct current voltage VB lower than the direct current voltage VB after alternating current rectification, and the reverse connection diodes D501, D502, D503, D504 and D50n are respectively connected into VB201, VB301 and VB401 of the switch power supply.
2. The battery direct current following switch power supply circuit according to claim 1, wherein the alternating current in the first switch power supply topology circuit (1) is rectified and filtered by the bridge stacks BD101 and EC101 to obtain direct current VB101 for later operation, and the direct current DC101 required by the electrical appliance is realized through voltage transformation of a transformer.
3. The battery direct current following switch power supply circuit according to claim 1, wherein the alternating current in the second switch power supply topology circuit (2) is rectified and filtered by the bridge stacks BD201 and EC201 to obtain direct current VB201 for later operation, and the direct current DC201 required by the electrical appliance is realized through voltage transformation of a transformer.
4. The battery direct current following switch power supply circuit according to claim 1, wherein the alternating current in the third switch power supply topology circuit (3) is rectified and filtered through bridge stacks BD301 and EC301 to obtain direct current VB301 for later operation, and the direct current DC301 required by an electric appliance is realized through voltage conversion of a transformer to supply power for an end product.
5. The battery direct current following switch power supply circuit according to claim 1, wherein alternating current in the fourth switch power supply topology circuit (4) is rectified and filtered through bridge stacks BD401 and EC401 to obtain direct current VB401 for later operation, and the direct current DC401 required by an electric appliance is realized through voltage conversion of a transformer.
6. The battery direct current follow-up switch power supply circuit according to claim 1, wherein the battery charging circuit comprises a battery and a battery charger, the battery charger outputs a plurality of groups of battery serial-parallel connection bodies for direct current charging in an isolated mode, and the battery charger outputs are connected in series.
7. The battery direct current following switch power supply circuit according to claim 6, wherein the battery serial-parallel connection bodies are further connected in series to obtain a direct current voltage VB lower than the direct current voltage VB after alternating current rectification and filtration, the negative electrode of the battery serial-parallel connection body is connected with the direct current voltage negative electrode GND after alternating current rectification and filtration through an anti-reverse diode, and the positive electrode of the battery serial-parallel connection body is connected with the direct current voltage positive electrode VB after alternating current rectification and filtration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678598.4U CN219918481U (en) | 2023-03-29 | 2023-03-29 | Battery direct current follows switching power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320678598.4U CN219918481U (en) | 2023-03-29 | 2023-03-29 | Battery direct current follows switching power supply circuit |
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| Publication Number | Publication Date |
|---|---|
| CN219918481U true CN219918481U (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320678598.4U Active CN219918481U (en) | 2023-03-29 | 2023-03-29 | Battery direct current follows switching power supply circuit |
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| Country | Link |
|---|---|
| CN (1) | CN219918481U (en) |
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2023
- 2023-03-29 CN CN202320678598.4U patent/CN219918481U/en active Active
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