CN215681833U - Multi-battery management system and service robot - Google Patents
Multi-battery management system and service robot Download PDFInfo
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- CN215681833U CN215681833U CN202121041711.5U CN202121041711U CN215681833U CN 215681833 U CN215681833 U CN 215681833U CN 202121041711 U CN202121041711 U CN 202121041711U CN 215681833 U CN215681833 U CN 215681833U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a multi-battery management system and a service robot, wherein data interaction is carried out between battery management systems matched with N batteries in the multi-battery management system in a wired or wireless mode, one battery in the N batteries is taken as a target battery, and the target battery is electrically connected with other batteries through a voltage regulating circuit and used for carrying out electric energy interaction on the other batteries, so that the N batteries can be charged mutually, and the charging and discharging management of the multiple batteries is facilitated.
Description
Technical Field
The utility model relates to the technical field of robots, in particular to a multi-battery management system and a service robot.
Background
At present, a service robot is provided with a structure that a plurality of components are provided with independent batteries, such as a chassis for movement and an upper box for functions, which can be freely combined and separated and are provided with independent batteries, and a battery management system is needed.
Many of the existing technologies are to charge batteries separately or to charge batteries together by connecting the batteries in parallel through a diode.
The technical scheme of charging batteries respectively increases the complexity of user operation, and is not flexible to use.
The scheme of charging batteries in parallel only needs one charger, but when two batteries need to be charged simultaneously, the situation that the number of the chargers is insufficient can occur.
SUMMERY OF THE UTILITY MODEL
In view of this, embodiments of the present invention provide a multi-battery management system and a service robot, so as to provide a simple and convenient battery management scheme.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a multi-battery management system, comprising:
the system comprises N batteries arranged on target equipment and a battery management system matched with the N batteries, wherein N is a positive integer not less than 2;
the battery management systems matched with the N batteries perform data interaction in a wired or wireless mode;
one battery in the N batteries is used as a target battery, and the target battery is electrically connected with other batteries through a voltage regulating circuit and used for carrying out electric energy interaction on the other batteries.
Optionally, in the above multi-battery management system, the N battery phases are respectively disposed on different independent modules of the target device.
Optionally, in the multi-battery management system, the voltage regulating circuit is a buck-boost circuit or a voltage reducing circuit.
Optionally, in the above multi-battery management system, the voltage regulating circuit is disposed in a battery management system corresponding to the target battery.
Optionally, in the multi-battery management system, the voltage adjusting circuit is configured to adjust a switching state of the voltage adjusting circuit in response to a switching instruction output by the battery management system corresponding to the target battery.
Optionally, in the multi-battery management system, a charging instruction output end of the battery management system corresponding to the target battery is connected to a switch control end of the voltage regulating circuit, and the battery management system corresponding to the target battery is specifically used for switching instructions matched with the battery energy storage state of the target battery and the energy storage states of other batteries.
Optionally, in the above multi-battery management system, N is 2, and the N batteries and the battery management system matched with the N batteries include: the battery management system comprises a first battery, a second battery, a first battery management system matched with the first battery and a second battery management system matched with the second battery.
Optionally, in the above multi-battery management system, the target device is a robot, the robot includes a robot upper body and a robot chassis, the first battery is disposed on the robot upper body, and the second battery is disposed on the robot chassis.
Optionally, in the multi-battery management system, a first comparator, a second comparator and a microprocessor are built in the battery management system corresponding to the target battery;
the first input end of the first comparator is used for inputting the battery voltage of the second battery acquired by the second battery management system matched with the second battery, and the second input end of the first comparator is used for inputting a first reference voltage;
a first input end of the second comparator is used for inputting the battery voltage matched by the first battery, and a second input end of the second comparator is used for inputting a second reference voltage;
the first input end of the microprocessor is connected with the output end of the first comparator, the second input end of the microprocessor is connected with the output end of the second comparator, and the output end of the microprocessor is connected with the control end of the voltage regulating circuit.
A service robot comprising the multi-battery management system of any of the above.
Based on the above technical solution, in the above scheme provided in the embodiment of the present invention, data interaction is performed between the battery management systems matched with the N batteries in a wired or wireless manner, one battery of the N batteries is used as a target battery, and the target battery is electrically connected to other batteries through a voltage regulating circuit, so that the N batteries can be charged with each other by performing electric energy interaction on the other batteries, thereby facilitating charging and discharging management of multiple batteries.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-battery management system disclosed in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a multi-battery management system according to another embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to charge a plurality of robots equipped with a plurality of batteries, the present application discloses a multi-battery management system, which, referring to fig. 1, may include:
the battery management system comprises N batteries 100, a battery management system BMS corresponding to the N batteries one by one and one or more voltage regulating circuits 200, wherein N is a positive integer not less than 2;
in the technical solution disclosed in the embodiment of the present application, different battery management systems BMS may be connected in a wireless or wired manner to achieve communication between the battery management systems BMS, and communication data between the battery management systems BMS may include battery voltages of batteries corresponding to the respective battery management systems BMS, for example, in the solution, a certain battery management system BMS may obtain the battery voltages of other batteries by performing data interaction with other battery management systems BMS in addition to knowing the battery voltage of the battery corresponding to the certain battery management system BMS;
the multi-battery management system disclosed in the technical solution disclosed in the embodiment of the present application is installed in a target device, the target device may be composed of a plurality of mutually independent modules, in the present application, the mutually independent modules refer to structures of the target device each having its own battery, the N batteries 100 and the battery management systems BMS corresponding to the N batteries 100 one to one are respectively installed in the mutually independent modules, with N equal to 2, see fig. 2, taking the target device as an example of a service robot, the N batteries may include a first battery and a second battery, and the battery management systems matched with the first battery and the second battery include: a first battery management system and a second battery management system. The service robot comprises a robot upper body and a robot chassis, wherein the first battery and the first battery management system are arranged on the robot upper body, and the second battery management system are arranged on the robot chassis.
And selecting one battery from the N batteries as a target battery, wherein the target battery is electrically connected with other batteries through a voltage regulating circuit and used for carrying out electric energy interaction on the other batteries, and the voltage regulating circuit can be a bidirectional circuit, and the conducting state of the bidirectional circuit is controlled by a battery management system corresponding to the target battery or controlled by a control switch arranged on the target equipment.
In this scheme, when the battery management system corresponding to the target battery is used to control the on state of the voltage regulating circuit, the battery management system corresponding to the target battery may analyze the battery voltages of the target battery and other batteries based on preset logic, and output a switch instruction to the voltage regulating circuit based on an analysis result, and meanwhile, the battery management systems corresponding to other batteries may also control whether the corresponding batteries need to discharge the other batteries according to the battery voltage states of the batteries corresponding to the battery management systems, for example, when the battery voltage of the battery is lower than a first voltage value, the battery is controlled not to discharge to the other batteries.
In order to realize the charge and discharge of the battery, in the technical scheme disclosed in the embodiment of the application, each battery is provided with a charge and discharge interface and a discharge structure, the charge and discharge interfaces can provide charge and discharge service for the battery, the battery is connected with the charge and discharge interfaces of other batteries through the charge and discharge interfaces and the voltage regulating circuit, and the discharge interface of the power battery is used for providing working voltage for the actuating mechanism. When the battery management system corresponding to the battery detects that the battery voltage of the battery is higher than a rated voltage value, the charging and discharging interface is controlled to be switched to a second state, the battery can provide both discharging service and charging service, and when the battery management system corresponding to the battery detects that the battery voltage of the battery is higher than the first voltage value, the charging and discharging interface is controlled to be switched to a third state, and the battery can only provide discharging service.
In the technical scheme disclosed in the embodiment of the application, the voltage regulating circuit performs constant-voltage and constant-current output, and the specific circuit type of the voltage regulating circuit can be selected based on the user requirement, for example, the voltage regulating circuit can be a buck-boost circuit or a voltage reduction circuit with lower cost.
In the technical solution disclosed in the embodiment of the present application, the number of the voltage regulating circuits may be 1 or more, and in this solution, the number of the voltage regulating circuits may be 1, and the voltage regulating circuits are disposed in the battery management system corresponding to the target battery and controlled by the battery management system. Namely, the voltage regulating circuit is used for responding to a switching instruction output by the battery management system corresponding to the target battery to regulate the switching state of the voltage regulating circuit. Specifically, a charging instruction output end of a battery management system corresponding to the target battery is connected with a switch control end of the voltage regulating circuit, and the battery management system corresponding to the target battery is specifically used for switching instructions matched with the battery energy storage state of the target battery and the energy storage states of other batteries.
In this embodiment, taking the target device as a service robot as an example, a scheme is described, where the N batteries and the battery management system matched with the N batteries include: the robot comprises a robot upper body and a robot chassis, wherein the robot upper body is provided with a first battery, a second battery, a first battery management system matched with the first battery, and a second battery management system matched with the second battery. When the chassis of service robot lifts the robot upper part of the body, first battery management system and second battery management system can pass through the chassis with metal contact on the robot upper part of the body is connected, first battery management system and second battery management system pass through data interaction is carried out to metal contact, works as first battery management system and second battery management system with through during the metal contact, the first battery management system of the robot upper part of the body can detect the battery voltage of the second battery on chassis, can detect simultaneously the battery voltage of first battery. The first battery management system is provided with a buck-boost circuit which can output constant voltage and constant current, the buck-boost circuit is controlled by the first battery management system, the second battery cannot charge the first battery when the buck-boost circuit is closed, the output of the second battery can charge the first battery through boosting or reducing voltage when the buck-boost circuit is opened, and meanwhile, the buck-boost circuit limits the charging current within a safe range and ensures that the charging voltage is not higher than the highest charging voltage of the upper battery. At this time, the switching state of the buck-boost circuit may be controlled by a logic circuit built in the battery management system, and in this embodiment, the logic circuit may include:
the device comprises a first comparator, a second comparator and a microprocessor;
the first input end of the first comparator is used for inputting the battery voltage of the second battery acquired by the second battery management system matched with the second battery, and the second input end of the first comparator is used for inputting a first reference voltage;
a first input end of the second comparator is used for inputting the battery voltage matched by the first battery, and a second input end of the second comparator is used for inputting a second reference voltage;
the first input end of the microprocessor is connected with the output end of the first comparator, the second input end of the microprocessor is connected with the output end of the second comparator, and the output end of the microprocessor is connected with the control end of the voltage regulating circuit.
When the battery voltage of the second battery is greater than a first reference voltage, the first comparator outputs a high level signal, otherwise, the first comparator outputs a low level signal, when the battery voltage of the first battery is less than a second reference voltage, the second comparator outputs a high level signal, otherwise, the second comparator outputs a low level signal, when the first input end and the second input end of the microprocessor both input high levels, the microprocessor outputs a switch instruction for controlling the voltage regulating circuit to be switched on, when the first input end and the second input end of the microprocessor both input low level signals, the microprocessor outputs a switch instruction for controlling the voltage regulating circuit to be switched on, otherwise, the microprocessor outputs a switch instruction for controlling the voltage regulating circuit to be switched off. When the voltage regulating circuit is conducted, the first battery and the second battery carry out voltage interaction, at the moment, the first battery and the second battery can be charged mutually, and the situation that when the electric quantity of one battery is sufficient, the other battery does not have electricity can be avoided.
When the multi-battery management system disclosed by the embodiment of the application is adopted to manage the electric quantity of the battery, compared with the existing method, more flexibility is provided, the second battery of the service robot can be charged in the process of lifting the chassis, and the condition that the electric quantity of the first battery of the upper part of the robot runs is exhausted in the process of running the robot when the electric quantity of the second battery is sufficient can be avoided. While the second battery may choose to charge the first battery with a low charge when idle.
Corresponding to the multi-battery management system, the application also discloses a service robot, and the service robot is applied with the multi-battery management system in any one of the embodiments of the application.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A multi-battery management system, comprising:
the system comprises N batteries arranged on target equipment and a battery management system matched with the N batteries, wherein N is a positive integer not less than 2;
the battery management systems matched with the N batteries perform data interaction in a wired or wireless mode;
one battery in the N batteries is used as a target battery, and the target battery is electrically connected with other batteries through a voltage regulating circuit and used for carrying out electric energy interaction on the other batteries.
2. The multi-battery management system of claim 1, wherein the N battery phases are respectively disposed on different independent modules of the target device.
3. The multi-battery management system of claim 1, wherein the voltage regulation circuit is a buck-boost circuit or a buck circuit.
4. The multi-battery management system of claim 1, wherein the voltage regulation circuit is disposed in a battery management system corresponding to the target battery.
5. The multi-battery management system of claim 1, wherein the voltage regulating circuit is configured to regulate the switching state of the voltage regulating circuit in response to a switching command output by the battery management system corresponding to the target battery.
6. The multi-battery management system according to claim 5, wherein the charging command output terminal of the battery management system corresponding to the target battery is connected to the switch control terminal of the voltage regulating circuit, and the battery management system corresponding to the target battery is specifically configured to be used for switching commands matched with the battery energy storage state of the target battery and the energy storage states of other batteries.
7. The multi-cell management system of claim 6, wherein N is 2, and wherein the N cells and the cell management system that matches the N cells comprises: the battery management system comprises a first battery, a second battery, a first battery management system matched with the first battery and a second battery management system matched with the second battery.
8. The multi-battery management system of claim 7, wherein the target device is a robot, the robot comprising a robot upper body and a robot chassis, the first battery being disposed on the robot upper body and the second battery being disposed on the robot chassis.
9. The multi-battery management system according to claim 8, wherein a first comparator, a second comparator and a microprocessor are built in the battery management system corresponding to the target battery;
the first input end of the first comparator is used for inputting the battery voltage of the second battery acquired by the second battery management system matched with the second battery, and the second input end of the first comparator is used for inputting a first reference voltage;
a first input end of the second comparator is used for inputting the battery voltage matched by the first battery, and a second input end of the second comparator is used for inputting a second reference voltage;
the first input end of the microprocessor is connected with the output end of the first comparator, the second input end of the microprocessor is connected with the output end of the second comparator, and the output end of the microprocessor is connected with the control end of the voltage regulating circuit.
10. A service robot comprising a multi-battery management system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041711.5U CN215681833U (en) | 2021-05-14 | 2021-05-14 | Multi-battery management system and service robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121041711.5U CN215681833U (en) | 2021-05-14 | 2021-05-14 | Multi-battery management system and service robot |
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| Publication Number | Publication Date |
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| CN215681833U true CN215681833U (en) | 2022-01-28 |
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| CN202121041711.5U Active CN215681833U (en) | 2021-05-14 | 2021-05-14 | Multi-battery management system and service robot |
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- 2021-05-14 CN CN202121041711.5U patent/CN215681833U/en active Active
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Address after: Room 702, 7th floor, NO.67, Beisihuan West Road, Haidian District, Beijing 100080 Patentee after: Beijing Yunji Technology Co.,Ltd. Address before: Room 702, 7th floor, NO.67, Beisihuan West Road, Haidian District, Beijing 100080 Patentee before: BEIJING YUNJI TECHNOLOGY Co.,Ltd. |
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