CN111463869A - Battery management device with program-controlled output and program-controlled power supply - Google Patents
Battery management device with program-controlled output and program-controlled power supply Download PDFInfo
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- CN111463869A CN111463869A CN202010417701.0A CN202010417701A CN111463869A CN 111463869 A CN111463869 A CN 111463869A CN 202010417701 A CN202010417701 A CN 202010417701A CN 111463869 A CN111463869 A CN 111463869A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
Abstract
The invention relates to the technical field of battery power supply, and discloses a program-controlled output battery management device and a program-controlled power supply. The battery management device for program control output comprises a plurality of battery packs and a program control output control circuit, wherein the output ends of the battery packs are connected with the input end of the program control output control circuit; the program-controlled output control circuit is used for collecting output voltages of the battery packs when the battery packs discharge; and the program-controlled output control circuit is also used for generating corresponding power supply voltage according to the output voltage and outputting the corresponding power supply voltage to the load element. In the invention, when a plurality of battery packs with the same voltage or different voltage grades are discharged, the program-controlled output control circuit can control the discharge of the plurality of battery packs and output the required voltage grade, and seamless switching can be performed when two or more battery packs connected in parallel are discharged. The technical problems that the single group of batteries are difficult to supply power for a long time and program-controlled discharge cannot be performed in sequence when the batteries are combined to supply power are solved.
Description
Technical Field
The invention relates to the technical field of battery power supply, in particular to a program-controlled output battery management device and a program-controlled power supply.
Background
At present, when a user uses a power supply device outdoors, the power supply device needs to be continuously used for a long time, and the user is not beside the power supply device, so that a plurality of difficulties may occur. For example, when the capacity of a single battery cannot meet the requirement of long-time use, the battery needs to be frequently replaced by a user, and at this time, the battery replacement may affect the ongoing work of the user.
In addition, many types of electrical devices are equipped with batteries of various types and specifications. A user may purchase various electrical equipment for many years, and the electrical equipment is correspondingly provided with a plurality of batteries with different specifications. When an electric appliance is not used, the battery of the electric appliance is in an invalid state. If the batteries can be effectively used, the cost of a user is greatly saved, the use by the user is convenient, and the batteries with different voltage grades can be processed according to the requirements of the user to obtain the voltage output required by the user. The existing battery output is battery single group output, and no good solution is provided when a plurality of battery packs are required to be connected in parallel, particularly the battery packs with different voltage grades are subjected to program-controlled discharge according to the sequence.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a program-controlled output battery management device and a program-controlled power supply, and aims to solve the technical problems that the conventional single-group battery is difficult to supply power for a long time and program-controlled discharge cannot be performed in sequence when the single-group battery supplies power to the multiple groups of batteries.
In order to achieve the above object, the present invention provides a battery management device with program-controlled output, which includes a plurality of battery packs and a program-controlled output control circuit, wherein output terminals of the battery packs are connected to input terminals of the program-controlled output control circuit; wherein the content of the first and second substances,
the program-controlled output control circuit is used for acquiring the output voltages of the battery packs when the battery packs discharge;
and the program-controlled output control circuit is also used for generating corresponding power supply voltage according to the output voltage and outputting the corresponding power supply voltage to a load element.
Preferably, the program-controlled output control circuit comprises a multi-path battery pack input circuit, a switch control circuit and a power supply output circuit;
the input end of the multi-path battery pack input circuit is connected with the plurality of battery packs, the output end of the multi-path battery pack input circuit is connected with the input end of the switch control circuit, the output end of the switch control circuit is connected with the input end of the power supply output circuit, and the output end of the power supply output circuit is connected with the load element.
Preferably, the multi-path battery pack input circuit comprises a plurality of input battery packs with the same voltage grade or different voltage grades; wherein, the input battery packs are connected in parallel with each other.
Preferably, the program-controlled output control circuit further comprises a plurality of analog-digital voltage acquisition circuits, the acquisition ends of the plurality of analog-digital voltage acquisition circuits are connected with the input ends of the plurality of battery pack input circuits, and the output ends of the plurality of analog-digital voltage acquisition circuits are connected with the input ends of the switch control circuit; the multi-path analog-digital voltage acquisition circuit is used for acquiring the battery state of each battery pack in the multi-path battery pack input circuit;
and the switch control circuit is used for carrying out discharge control according to the battery state and a preset discharge sequence.
Preferably, the multi-path battery pack input circuit comprises a first battery pack, a first voltage stabilizing diode, a second voltage stabilizing diode, a first resistor, a second resistor and a first capacitor;
the anode of the first voltage-stabilizing diode is connected with the first battery pack, the cathode of the first voltage-stabilizing diode is connected with the cathode of the second voltage-stabilizing diode, the anode of the second voltage-stabilizing diode is connected with the first battery pack, the cathode of the second voltage-stabilizing diode is connected with the first end of the first resistor, the second end of the first resistor is connected with the first end of the second resistor, the second end of the second resistor is grounded, the first end of the second resistor is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, and the first end of the first capacitor is connected with the acquisition end of the multi-path analog-digital voltage acquisition circuit.
Preferably, the switch control circuit comprises a third resistor, a first MOS transistor and a second MOS transistor;
the grid electrode of the second MOS tube is connected with the output end of the multi-channel analog-digital voltage acquisition circuit, the source electrode of the second MOS tube is grounded, the drain electrode of the second MOS tube is connected with the first end of the third resistor, the second end of the third resistor is connected with the grid electrode of the first MOS tube, the drain electrode of the first MOS tube is connected with the power supply output circuit, and the source electrode of the first MOS tube is connected with the multi-channel battery pack input circuit.
Preferably, the switch control circuit further comprises a fourth resistor and a second capacitor;
the first end of the fourth resistor is connected with the multi-path battery pack input circuit, the first end of the fourth resistor is connected with the first end of the second capacitor, the second end of the fourth resistor is connected with the second end of the second capacitor, the first end of the second capacitor is connected with the source electrode of the first MOS transistor, and the second end of the second capacitor is connected with the grid electrode of the first MOS transistor.
Preferably, the switch control circuit further comprises a fifth resistor and a third capacitor;
the first end of the fifth resistor is connected with the multi-channel analog-digital voltage acquisition circuit, the first end of the fifth resistor is connected with the first end of the third capacitor, the second end of the fifth resistor is connected with the second end of the third capacitor, the first end of the third capacitor is connected with the grid electrode of the second MOS tube, and the second end of the third capacitor is connected with the source electrode of the second MOS tube.
Preferably, the program-controlled output control circuit further comprises a voltage boosting and reducing circuit, an input end of the voltage boosting and reducing circuit is connected with an output end of the multi-path battery pack input circuit, an output end of the voltage boosting and reducing circuit is connected with an input end of the power supply output circuit, and an output end of the power supply output circuit is connected with the load element; wherein the content of the first and second substances,
and the voltage boosting and reducing circuit is used for carrying out discharge control according to the battery state and a preset discharge sequence.
In addition, in order to achieve the above object, the present invention further provides a programmable power supply, which includes the battery management device with programmable output as described above.
The technical scheme of the invention provides a battery management device for program-controlled output, which comprises a plurality of battery packs and a program-controlled output control circuit, wherein the output ends of the battery packs are connected with the input end of the program-controlled output control circuit; the program-controlled output control circuit is used for collecting the output voltage of the battery packs when the battery packs discharge; and the program-controlled output control circuit is also used for generating corresponding power supply voltage according to the output voltage and outputting the corresponding power supply voltage to a load element. Through the mode, when a plurality of battery packs with the same voltage grade or different voltage grades are discharged, the program-controlled output control circuit can control the discharge of the plurality of battery packs and output the required voltage grade, and seamless switching can be performed between two or more parallel battery packs during discharge. The technical problems that the existing single-group battery is difficult to supply power for a long time and program-controlled discharge cannot be performed in sequence when the single-group battery supplies power and the multiple groups of batteries are combined to supply power are solved.
Drawings
FIG. 1 is a functional block diagram of an embodiment of a battery management apparatus for programmable output according to the present invention;
fig. 2 is a schematic diagram of a functional module of a programmed output control circuit of an embodiment of a battery management device for programmed output according to the present invention;
fig. 3 is a schematic structural diagram of a programmed output control circuit of a battery management device for programmed output according to an embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a battery management device with program-controlled output.
Referring to fig. 1, in the embodiment of the present invention, the battery management apparatus for program-controlled output includes a plurality of battery packs 100 and a program-controlled output control circuit 200, wherein output terminals of the plurality of battery packs 100 are connected to input terminals of the program-controlled output control circuit 200; wherein the content of the first and second substances,
the program-controlled output control circuit 200 is configured to collect output voltages of the battery packs 100 when the battery packs 100 are discharged. In this embodiment, the program-controlled output control circuit 200 may include a multi-way battery input circuit, a switch control circuit, and a power supply output circuit; the program-controlled output control circuit 200 may further include a multi-channel analog-to-digital voltage acquisition circuit; the acquisition end of the multi-path analog-digital voltage acquisition circuit is connected with the input end of the multi-path battery pack input circuit, and the output end of the multi-path analog-digital voltage acquisition circuit is connected with the input end of the switch control circuit.
Specifically, the program-controlled output control circuit 200 collects the output voltages of the battery packs 100 when the battery packs 100 are discharged, that is, the multi-path analog-to-digital voltage collecting circuit collects the input voltages or the battery states of the multi-path battery pack input circuit. In addition, the multi-channel analog-digital voltage acquisition circuit can also be a communication circuit used for communication between the multi-channel battery pack input circuit and the switch control circuit.
The program-controlled output control circuit 200 is further configured to generate a corresponding power voltage according to the output voltage and output the power voltage to a load element. In this embodiment, the program-controlled output control circuit 200 may include a multi-way battery input circuit, a switch control circuit, and a power supply output circuit; the input end of the multi-path battery pack input circuit is connected with the plurality of battery packs, the output end of the multi-path battery pack input circuit is connected with the input end of the switch control circuit, the output end of the switch control circuit is connected with the input end of the power supply output circuit, and the output end of the power supply output circuit is connected with the load element.
Specifically, the multi-path analog-digital voltage acquisition circuit acquires the input voltage or the battery state of the multi-path battery pack input circuit; the switch control circuit controls the discharge of the plurality of battery packs 100 according to the collected input voltage or the collected battery state and a preset discharge sequence, and outputs the corresponding power supply voltage to the load element. It is easy to understand that the preset discharging sequence can be set by a user according to actual conditions.
Further, referring to fig. 2, fig. 2 is a schematic diagram of a functional module of a programmed output control circuit of an embodiment of the battery management device for programmed output according to the present invention; the program-controlled output control circuit 200 comprises a multi-channel battery pack input circuit 201, a switch control circuit 202 and a power supply output circuit 203;
the input end of the multi-path battery pack input circuit 201 is connected with the plurality of battery packs 100, the output end of the multi-path battery pack input circuit 201 is connected with the input end of the switch control circuit 202, the output end of the switch control circuit 202 is connected with the input end of the power supply output circuit 203, and the output end of the power supply output circuit 203 is connected with the load element.
It should be noted that the program-controlled output control circuit 200 further includes a multi-channel analog-to-digital voltage acquisition circuit 204; the acquisition end of the multi-path analog-digital voltage acquisition circuit 204 is connected with the input end of the multi-path battery pack input circuit 201, and the output end of the multi-path analog-digital voltage acquisition circuit 204 is connected with the input end of the switch control circuit 202. The program-controlled output control circuit 200 collects the output voltages of the battery packs 100 when the battery packs 100 are discharged, that is, the multi-path analog-digital voltage collecting circuit collects the input voltages or battery states of the multi-path battery pack input circuit.
Further, the multi-path battery pack input circuit 201 comprises a plurality of input battery packs with the same voltage class or different voltage classes; wherein, the input battery packs are connected in parallel with each other.
The multi-battery input circuit 201 connects a plurality of input batteries of the same voltage class or different voltage classes in parallel.
Further, the program-controlled output control circuit 200 further includes a plurality of analog-to-digital voltage acquisition circuits 204, an acquisition end of the plurality of analog-to-digital voltage acquisition circuits 204 is connected with an input end of the plurality of battery pack input circuits 201, and an output end of the plurality of analog-to-digital voltage acquisition circuits 204 is connected with an input end of the switch control circuit 202; wherein the content of the first and second substances,
the multi-path analog-to-digital voltage acquisition circuit 204 is used for acquiring the battery state of each battery pack in the multi-path battery pack input circuit 201;
the switch control circuit 202 is configured to perform discharge control according to the battery state and a preset discharge sequence.
It should be noted that the multi-path analog-to-digital voltage acquisition circuit may also be a communication circuit, and is used for communication between the multi-path battery pack input circuit and the switch control circuit.
Further, referring to fig. 3, fig. 3 is a schematic structural diagram of a programmed output control circuit 200 of a battery management device for programmed output according to an embodiment of the present invention; the multi-path battery pack input circuit 201 comprises a first battery pack U1, a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a first resistor R1, a second resistor R2 and a first capacitor C1;
an anode of the first zener diode D1 is connected to the first battery pack U1, a cathode of the first zener diode D1 is connected to a cathode of the second zener diode D2, an anode of the second zener diode D2 is connected to the first battery pack U1, a cathode of the second zener diode D2 is connected to the first end of the first resistor R1, the second end of the first resistor R1 is connected to the first end of the second resistor R2, the second end of the second resistor R2 is grounded, the first end of the second resistor R2 is connected to the first end of the first capacitor C1, the second end of the first capacitor C1 is grounded, and the first end of the first capacitor C1 is connected to the collecting end of the multi-channel analog-to-digital voltage collecting circuit 204.
It should be noted that the multi-battery input circuit 201 may connect a plurality of input batteries of the same voltage class or different voltage classes in parallel. The multi-path battery pack input circuit 201 comprises a first battery pack U1, and a first voltage stabilizing diode D1, a second voltage stabilizing diode D2, a first resistor R1, a second resistor R2 and a first capacitor C1 which are connected with the first battery pack U1; the multi-cell battery input circuit 201 may further include a second cell battery, a third cell battery, etc. (not shown), and the remaining elements may be referred to the connection elements of the first cell battery U1. The multi-path battery pack input circuit 201 is connected with the acquisition end of the multi-path analog-digital voltage acquisition circuit 204. When the plurality of battery packs 100 are discharged, the program-controlled output control circuit 200 collects the output voltages of the plurality of battery packs 100, that is, the multi-path analog-digital voltage collecting circuit 204 collects the input voltages or the battery states of the multi-path battery pack input circuit 201.
Further, the switch control circuit 202 includes a third resistor R3, a first MOS transistor Q1, and a second MOS transistor Q2;
the gate of the second MOS transistor Q2 is connected to the output end of the multi-path analog-to-digital voltage acquisition circuit 204, the source of the second MOS transistor Q2 is grounded, the drain of the second MOS transistor Q2 is connected to the first end of the third resistor R3, the second end of the third resistor R3 is connected to the gate of the first MOS transistor Q1, the drain of the first MOS transistor Q1 is connected to the power supply output circuit 203, and the source of the first MOS transistor Q1 is connected to the multi-path battery pack input circuit 201.
It should be noted that the switch control circuit 202 includes a first MOS transistor Q1 and a second MOS transistor Q2, and the first MOS transistor Q1 and the second MOS transistor Q2 are used as switches, it is easy to understand that the switches may be mechanical switches or MOS transistors switches, which is not limited in this embodiment.
Further, the switch control circuit 202 further includes a fourth resistor R4 and a second capacitor C2;
a first end of the fourth resistor R4 is connected to the multi-way battery input circuit 201, a first end of the fourth resistor R4 is connected to a first end of the second capacitor C2, a second end of the fourth resistor R4 is connected to a second end of the second capacitor C2, a first end of the second capacitor C2 is connected to a source of the first MOS transistor Q1, and a second end of the second capacitor C2 is connected to a gate of the first MOS transistor Q1.
The switch control circuit 202 further includes a fourth resistor R4 and a second capacitor C2, the fourth resistor R4 and the second capacitor C2 are connected to the first MOS transistor Q1, and the fourth resistor R4 and the second capacitor C2 are combined to form a protection circuit for the first MOS transistor Q1, so as to prevent the breakdown of the first MOS transistor Q1.
Further, the switch control circuit 202 further includes a fifth resistor R5 and a third capacitor C3;
a first end of the fifth resistor R5 is connected to the multi-channel analog-to-digital voltage acquisition circuit 204, a first end of the fifth resistor R5 is connected to a first end of the third capacitor C3, a second end of the fifth resistor R5 is connected to a second end of the third capacitor C3, a first end of the third capacitor C3 is connected to a gate of the second MOS transistor Q2, and a second end of the third capacitor C3 is connected to a source of the second MOS transistor Q2.
It should be noted that the switch control circuit 202 further includes a fifth resistor R5 and a third capacitor C3, the fifth resistor R5 and the third capacitor C3 are connected to the second MOS transistor Q2, and the combination of the fifth resistor R5 and the third capacitor C3 is a protection circuit for the second MOS transistor Q2, so as to prevent the breakdown of the second MOS transistor Q2.
Further, the program-controlled output control circuit 200 further includes a voltage-boosting and voltage-reducing circuit 205, an input terminal of the voltage-boosting and voltage-reducing circuit 205 is connected with an output terminal of the multi-path battery pack input circuit 201, an output terminal of the voltage-boosting and voltage-reducing circuit 205 is connected with an input terminal of the power supply output circuit 203, and an output terminal of the power supply output circuit 203 is connected with the load element; wherein the content of the first and second substances,
the step-up/step-down circuit 205 is configured to perform discharge control according to the battery state and a preset discharge sequence.
It should be noted that the program-controlled output control circuit 200 further includes a voltage boosting and dropping circuit 205, and the multiple analog-to-digital voltage acquisition circuit 204 acquires the input voltage or the battery state of the multiple battery pack input circuits; the switch control circuit 202 controls the discharge of the plurality of battery packs 100 according to the collected input voltage or the collected battery state and a preset discharge sequence, and outputs a corresponding power supply voltage to the load element. It is easy to understand that the preset discharging sequence may be set by a user according to actual conditions, a voltage boost and reduction circuit 205 may be used instead of the switch control circuit 202, or the voltage boost and reduction circuit 205 and the switch control circuit 202 are used in combination, so as to implement discharging control on the battery packs 100 according to the collected input voltage or the collected battery state and according to the preset discharging sequence, and output the corresponding power voltage to the load element.
To achieve the above object, the present invention further provides a programmable power supply, which includes the battery management device with programmable output as described above. The specific structure of the battery management device with program-controlled output refers to the above-mentioned embodiments, and since all technical solutions of all embodiments of the battery management device with program-controlled output are adopted, all beneficial effects brought by the technical solutions of the above-mentioned embodiments are at least achieved, and details are not repeated herein.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
It should be noted that the above-described work flows are only exemplary, and do not limit the scope of the present invention, and in practical applications, a person skilled in the art may select some or all of them to achieve the purpose of the solution of the embodiment according to actual needs, and the present invention is not limited herein.
In addition, the technical details that are not described in detail in this embodiment can be referred to the battery management device with program-controlled output provided in any embodiment of the present invention, and are not described herein again.
Further, it is to be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g. Read Only Memory (ROM)/RAM, magnetic disk, optical disk), and includes several instructions for enabling a terminal device (e.g. a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A battery management device with program-controlled output is characterized by comprising a plurality of battery packs and a program-controlled output control circuit, wherein the output ends of the battery packs are connected with the input end of the program-controlled output control circuit; wherein the content of the first and second substances,
the program-controlled output control circuit is used for acquiring the output voltages of the battery packs when the battery packs discharge;
and the program-controlled output control circuit is also used for generating corresponding power supply voltage according to the output voltage and outputting the corresponding power supply voltage to a load element.
2. The programmed-output battery management apparatus according to claim 1, wherein the programmed-output control circuit comprises a plurality of battery pack input circuits, a switch control circuit, and a power supply output circuit;
the input end of the multi-path battery pack input circuit is connected with the plurality of battery packs, the output end of the multi-path battery pack input circuit is connected with the input end of the switch control circuit, the output end of the switch control circuit is connected with the input end of the power supply output circuit, and the output end of the power supply output circuit is connected with the load element.
3. The battery management device of programmed output according to claim 2, wherein the multiple battery input circuits comprise a plurality of input battery packs of the same voltage class or different voltage classes; wherein, the input battery packs are connected in parallel with each other.
4. The battery management device of programmed output according to claim 3, wherein the programmed output control circuit further comprises a plurality of analog-to-digital voltage acquisition circuits, the acquisition terminals of the plurality of analog-to-digital voltage acquisition circuits are connected to the input terminals of the plurality of battery pack input circuits, and the output terminals of the plurality of analog-to-digital voltage acquisition circuits are connected to the input terminals of the switch control circuit; wherein the content of the first and second substances,
the multi-path analog-digital voltage acquisition circuit is used for acquiring the battery state of each battery pack in the multi-path battery pack input circuit;
and the switch control circuit is used for carrying out discharge control according to the battery state and a preset discharge sequence.
5. The battery management device of programmed output according to claim 4, wherein the multi-way battery pack input circuit comprises a first battery pack, a first zener diode, a second zener diode, a first resistor, a second resistor, and a first capacitor;
the anode of the first voltage-stabilizing diode is connected with the first battery pack, the cathode of the first voltage-stabilizing diode is connected with the cathode of the second voltage-stabilizing diode, the anode of the second voltage-stabilizing diode is connected with the first battery pack, the cathode of the second voltage-stabilizing diode is connected with the first end of the first resistor, the second end of the first resistor is connected with the first end of the second resistor, the second end of the second resistor is grounded, the first end of the second resistor is connected with the first end of the first capacitor, the second end of the first capacitor is grounded, and the first end of the first capacitor is connected with the acquisition end of the multi-path analog-digital voltage acquisition circuit.
6. The battery management apparatus with program-controlled output according to claim 5, wherein the switch control circuit comprises a third resistor, a first MOS transistor and a second MOS transistor;
the grid electrode of the second MOS tube is connected with the output end of the multi-channel analog-digital voltage acquisition circuit, the source electrode of the second MOS tube is grounded, the drain electrode of the second MOS tube is connected with the first end of the third resistor, the second end of the third resistor is connected with the grid electrode of the first MOS tube, the drain electrode of the first MOS tube is connected with the power supply output circuit, and the source electrode of the first MOS tube is connected with the multi-channel battery pack input circuit.
7. The battery management apparatus of programmed output according to claim 6, wherein the switch control circuit further comprises a fourth resistor and a second capacitor;
the first end of the fourth resistor is connected with the multi-path battery pack input circuit, the first end of the fourth resistor is connected with the first end of the second capacitor, the second end of the fourth resistor is connected with the second end of the second capacitor, the first end of the second capacitor is connected with the source electrode of the first MOS transistor, and the second end of the second capacitor is connected with the grid electrode of the first MOS transistor.
8. The battery management apparatus of programmed output according to claim 6, wherein the switch control circuit further comprises a fifth resistor and a third capacitor;
the first end of the fifth resistor is connected with the multi-channel analog-digital voltage acquisition circuit, the first end of the fifth resistor is connected with the first end of the third capacitor, the second end of the fifth resistor is connected with the second end of the third capacitor, the first end of the third capacitor is connected with the grid electrode of the second MOS tube, and the second end of the third capacitor is connected with the source electrode of the second MOS tube.
9. The battery management device of programmed output according to claim 4, wherein the programmed output control circuit further comprises a step-up/step-down circuit, an input terminal of the step-up/step-down circuit is connected to an output terminal of the multi-way battery input circuit, an output terminal of the step-up/step-down circuit is connected to an input terminal of the power supply output circuit, and an output terminal of the power supply output circuit is connected to the load element; wherein the content of the first and second substances,
and the voltage boosting and reducing circuit is used for carrying out discharge control according to the battery state and a preset discharge sequence.
10. A programmable power supply, characterized in that it comprises a battery management device of programmable output according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417701.0A CN111463869A (en) | 2020-05-15 | 2020-05-15 | Battery management device with program-controlled output and program-controlled power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010417701.0A CN111463869A (en) | 2020-05-15 | 2020-05-15 | Battery management device with program-controlled output and program-controlled power supply |
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| Publication Number | Publication Date |
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| CN111463869A true CN111463869A (en) | 2020-07-28 |
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| CN202010417701.0A Pending CN111463869A (en) | 2020-05-15 | 2020-05-15 | Battery management device with program-controlled output and program-controlled power supply |
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| CN (1) | CN111463869A (en) |
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2020
- 2020-05-15 CN CN202010417701.0A patent/CN111463869A/en active Pending
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