CN211859619U - Voltage-stabilizing storage battery power supply system - Google Patents
Voltage-stabilizing storage battery power supply system Download PDFInfo
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- CN211859619U CN211859619U CN201820728007.9U CN201820728007U CN211859619U CN 211859619 U CN211859619 U CN 211859619U CN 201820728007 U CN201820728007 U CN 201820728007U CN 211859619 U CN211859619 U CN 211859619U
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- power supply
- voltage
- supply system
- voltage stabilizing
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 21
- 230000033228 biological regulation Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a steady voltage battery power supply system, it includes two at least batteries, switch circuit, regulation and control circuit to and voltage stabilizing circuit, two at least batteries connect with voltage stabilizing circuit through switch circuit respectively and, regulation and control circuit controls switch circuit respectively. The utility model provides a scheme guarantees through the parallel voltage stabilizing circuit of a plurality of batteries cooperation rear ends of front end that whole power supply system can provide stable power output for a long time and in real time, can effectively solve the problem that prior art exists.
Description
Technical Field
The utility model relates to a power supply circuit, concretely relates to battery steady voltage power supply technique.
Background
As is well known, the output voltage of a storage battery is smaller and smaller with continuous use of the storage battery, and therefore, a voltage stabilizing module is arranged inside an electronic device powered by the storage battery.
In the various past and now commonly used voltage regulation modules, there is mostly one inherent disadvantage in the design: during the power-up moment, a large current is drawn, which may be 10-100 times of the static operating current of the power supply, so that at least two problems may occur:
first, if the current source is unable to supply enough starting current, the power source may enter a locked state and fail to start;
second, such current flow may cause a reduction in the input power supply voltage sufficient to cause momentary power loss to other power devices using the same input power supply.
Therefore, the problem to be solved in the field is how to ensure that the power supply circuit realizes real-time stable power supply output.
SUMMERY OF THE UTILITY MODEL
In view of the problems of the existing battery power supply schemes, a new battery power supply scheme is needed.
Therefore, an object of the present invention is to provide a voltage-stabilized battery power supply system to overcome the problems existing in the prior art.
In order to achieve the above object, the utility model provides a steady voltage battery power supply system, including two at least batteries, switch circuit, regulating and control circuit to and voltage stabilizing circuit, two at least batteries connect through switch circuit and voltage stabilizing circuit respectively and, regulating and control circuit controls switch circuit respectively.
Furthermore, the regulation and control circuit comprises a control sub-circuit and a plurality of voltage and current feedback circuits, wherein the control sub-circuit is connected with the switch circuit in a control mode and is respectively connected with the storage battery through the voltage and current feedback circuits.
Furthermore, a protection control circuit is arranged in the storage battery, and two ends of the protection control circuit are respectively connected with the anode and the cathode of the storage battery.
Furthermore, an overcurrent protection circuit is arranged between the switch circuit and the voltage stabilizing circuit.
The utility model provides a scheme guarantees through the parallel voltage stabilizing circuit of a plurality of batteries cooperation rear ends of front end that whole power supply system can provide stable power output for a long time and in real time, can effectively solve the problem that prior art exists.
Furthermore, the utility model provides a scheme overall reliability is high, the stable performance, and the practicality is strong.
Drawings
The invention is further described with reference to the following drawings and detailed description.
FIG. 1 is a schematic diagram of a medium-voltage battery power supply system of the present invention;
fig. 2 is a schematic diagram of the middle voltage stabilizing circuit according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
In the embodiment, the mutual switching of a plurality of groups of parallel storage battery packs is adopted to ensure that the whole system has a steady and constant power supply source, and meanwhile, the long-acting voltage stabilization power supply of the whole system is ensured by matching with a voltage stabilizing circuit at the rear end.
Referring to fig. 1, a schematic diagram of the components of the regulated battery power supply system according to the present embodiment is shown. As can be seen from the figure, the power supply system 100 is mainly composed of a plurality of storage batteries 110, a plurality of switching circuits 120, a regulation circuit 130, and a voltage stabilizing circuit 140, which are mutually matched.
Among them, a plurality of storage batteries 110 are arranged in parallel to each other as a power supply. The output terminal of each storage battery 110 is connected in parallel to the input terminal of the voltage stabilizing circuit 140 through a switching circuit 120.
The switch circuit 120 is used for controlling the conduction relationship between the storage battery 110 and the voltage stabilizing circuit 140 which are correspondingly connected. The specific structure of the switch circuit 120 may be determined according to actual requirements, and may be formed by a corresponding control chip, a logic gate, or a bistable flip-flop.
The output end of the voltage stabilizing circuit 140 in the system is used for connecting an electric load, and is used for boosting and stabilizing the electric energy provided by the conducted storage battery 110, so as to ensure the output of a voltage stabilizing current.
By way of example, the voltage stabilizing circuit 140 in this example may be formed by an MC34063 chip with corresponding peripheral circuitry.
Referring to fig. 2, a composition example of a voltage regulator circuit according to the present embodiment is shown. As can be seen from the figure, the main chip U1 (i.e., MC34063 chip), the capacitor C1, the resistor R3 and the inductor L of the voltage regulator circuit are mutually matched, wherein the resistor R3, the capacitor C1, the resistor R4 and the pin 6 of the chip U1 are used for connecting the positive electrode of the power supply; the other end of the resistor R4 is connected with a pin 6 of an inductor L and a pin 6 of a chip U1 respectively, a pin 8 of a chip U1 is connected with the other end of a resistor R3, a pin 1 of a chip U1 is connected with the other end of the inductor L and the anode of a diode D2 respectively, the cathode of the diode D2 is connected with a capacitor C3, a resistor R6 and an output end Vo respectively, the other end of the capacitor C3 is connected with a pin 2 of a chip U1 and grounded, the other end of the resistor R6 is connected with a pin 5 of a resistor R5 and a pin 5 of a chip U1 respectively, the other end of the resistor R5 is connected with a pin 4 of a chip U1 and a capacitor C2.
The regulating circuit 130 in the system is used for controlling all the switch circuits 120 in the system, and realizes on-off control of a plurality of parallel storage batteries 110, thereby realizing switching of a plurality of groups of parallel storage batteries 110 to be conducted with a voltage stabilizing circuit.
In order to accurately perform switching control on the battery 110, the regulation circuit 130 in this embodiment is mainly composed of a control sub-circuit 131 and a plurality of voltage-current feedback circuits 132.
The control sub-circuit 131 controls all the switch circuits 120 connected to the system, and is used for controlling the operating states of the switch circuits 120, so as to realize the switching control of the storage batteries entering the system. The control sub-circuit 131 can be formed by a corresponding control chip, and the specific composition structure is well known in the art and will not be described herein.
The voltage and current feedback circuits 132 are respectively connected to the storage batteries 110 and the control sub-circuit 131, and are configured to monitor the voltage and current states of each storage battery 110 in real time to provide the voltage and current states to the control sub-circuit 131, so that the control sub-circuit 131 can switch the storage battery 110 with the optimal performance to enter the system and conduct the storage battery 110 according to the performance states of different storage batteries 110 to provide stable electric energy.
The voltage-current feedback circuit 132 may be formed by a corresponding control chip, and the specific composition structure is well known in the art and will not be described herein.
On the basis of the above scheme, in order to further improve the reliability of the system, in this example, a corresponding protection control circuit is further provided in each storage battery 110, and two ends of the protection control circuit are respectively connected to the positive electrode and the negative electrode of the storage battery, and are used for controlling the charging and discharging states of the storage battery. The protection control circuit may be formed by a corresponding control chip, and the specific composition structure is well known in the art and will not be described herein.
In addition, an overcurrent protection circuit can be arranged between the switch circuit and the voltage stabilizing circuit according to requirements, so that the stability and reliability of the whole system are further improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The power supply system is characterized by comprising at least two storage batteries, a switching circuit, a regulating circuit and a voltage stabilizing circuit, wherein the at least two storage batteries are respectively connected with the voltage stabilizing circuit in parallel through the switching circuit, and the regulating circuit respectively controls the switching circuit.
2. The regulated battery power supply system according to claim 1, wherein said regulation circuit comprises a control sub-circuit and a plurality of voltage-current feedback circuits, said control sub-circuit is connected to said switch circuit and connected to said battery through said plurality of voltage-current feedback circuits.
3. The system of claim 1, wherein a protection control circuit is disposed in the battery, and two ends of the protection control circuit are respectively connected to the positive electrode and the negative electrode of the battery.
4. The regulated battery power supply system of claim 1, wherein said system has an over-current protection circuit between the switching circuit and the voltage regulator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728007.9U CN211859619U (en) | 2018-05-16 | 2018-05-16 | Voltage-stabilizing storage battery power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728007.9U CN211859619U (en) | 2018-05-16 | 2018-05-16 | Voltage-stabilizing storage battery power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211859619U true CN211859619U (en) | 2020-11-03 |
Family
ID=73129938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728007.9U Expired - Fee Related CN211859619U (en) | 2018-05-16 | 2018-05-16 | Voltage-stabilizing storage battery power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211859619U (en) |
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2018
- 2018-05-16 CN CN201820728007.9U patent/CN211859619U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |