CN113540582A - Battery detection system, detection method thereof and battery device - Google Patents
Battery detection system, detection method thereof and battery device Download PDFInfo
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- CN113540582A CN113540582A CN202010321699.7A CN202010321699A CN113540582A CN 113540582 A CN113540582 A CN 113540582A CN 202010321699 A CN202010321699 A CN 202010321699A CN 113540582 A CN113540582 A CN 113540582A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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
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- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery detection system, a detection method thereof and a battery device. The battery detection system comprises a battery device and an optical decoding device. The battery device comprises a battery cell group, a control module electrically connected with the battery cell group and a light-emitting unit electrically connected with the control module. The control module is provided with a front-end processing unit and a control unit electrically connected with the front-end processing unit. The front-end processing unit can obtain state data of the cell group and convert the state data into a digital signal. The control unit can receive the digital signal and decode the digital signal into an output signal. The light-emitting unit receives the output signal and sends an information lamp signal according to the output signal. The optical decoding device can decode the information lamp number, convert the information lamp number into state data and transmit the state data to an electronic device. Accordingly, the user can acquire the state data to achieve the effect of detecting the battery device without electrically connecting the battery device and the electronic equipment through any connecting wire.
Description
Technical Field
The present invention relates to a battery detection system, and more particularly, to a battery detection system capable of directly detecting a battery through a lamp number, a detection method thereof, and a battery device.
Background
The conventional battery device is composed of a plurality of battery cells and a control module electrically connected to the battery cells, where the control module can record and access information of the battery cells, for example: current, voltage, temperature, etc. When a user wants to detect the condition of the battery device, an electronic device is electrically connected with a communication interface of the control module through a connecting wire so as to acquire the information of the plurality of battery cores.
However, when a user wants to detect the conditions of a plurality of battery devices, the user usually keeps one end of the connection line electrically connected to the electronic apparatus, and the other end of the connection line is electrically connected to the plurality of battery devices in sequence to obtain information of the plurality of battery cells of each battery device.
The present inventors have considered that the above-mentioned drawbacks can be improved, and have made intensive studies and use of scientific principles, and finally have proposed the present invention which is designed reasonably and effectively to improve the above-mentioned drawbacks.
Disclosure of Invention
The present invention provides a battery detection system, a detection method thereof and a battery device, which are directed to overcome the disadvantages of the prior art.
The embodiment of the invention discloses a battery detection system, which comprises: a battery device, comprising; the battery core group is provided with a plurality of battery cores; a control module, electric connection the electric core group, control module includes: the front-end processing unit is electrically connected with the cell group, can acquire state data of the cell group and encodes the state data into a digital signal; the control unit is electrically connected with the front-end processing unit and can receive the digital signal and convert the digital signal into an output signal; the light-emitting unit is electrically connected with the control module and emits a flashing information lamp signal according to the output signal; and the optical decoding device can be used for decoding the information lamp number and converting the information lamp number into the state data, the optical decoding device can be used for outputting the state data to an electronic device, and the electronic device displays the state data through an application program operation.
Preferably, the front-end processing unit includes: a control logic component; the multiplexer is electrically connected with the control logic assembly, is controlled by the control logic assembly and can switch among the plurality of electric cores of the electric core group; the temperature sensing assembly is electrically connected with the control logic assembly and can acquire temperature information of the electric core assembly; the current detection component is electrically connected with the control logic component and can detect the charging and discharging conditions of the cell group and acquire current information of the cell group; wherein the status data includes the temperature information and the current information.
Preferably, the front-end processing unit further includes a protection circuit control element electrically connected to the control logic element; the battery device further comprises a detection circuit and a protection circuit, wherein the detection circuit is electrically connected with the cell group and the front-end processing unit; the protection circuit is electrically connected with the electric core group and the front-end processing unit; when the detection circuit detects that the electric core group is abnormal, the protection circuit control assembly starts the protection circuit to protect the electric core group.
Preferably, the control unit includes: a memory component; the processor is electrically connected with the memory component and can convert the digital signal into the output signal; and the output input pin (GPIO) is electrically connected with the processor and the light-emitting unit, and can transmit the output signal to the light-emitting unit, so that the light-emitting unit can send the information lamp signal according to the output signal.
Preferably, the control unit further includes a communication interface electrically connected to the processor, and the communication interface is used to connect to the electronic device, so that the electronic device can obtain the status data.
The embodiment of the invention also discloses a battery device, which comprises: the battery core group is provided with a plurality of battery cores; a control module, electric connection the electric core group, control module includes: the front-end processing unit is electrically connected with the cell group, can acquire state data of the cell group and encodes the state data into a digital signal; the control unit is electrically connected with the front-end processing unit and can receive the digital signal and convert the digital signal into an output signal; and the light-emitting unit is electrically connected with the control module, receives the output signal and emits a flashing information lamp signal according to the output signal.
Preferably, the front-end processing unit includes: a control logic component; the multiplexer is electrically connected with the control logic assembly, is controlled by the control logic assembly and can switch among the plurality of electric cores of the electric core group; the temperature sensing assembly is electrically connected with the control logic assembly and can acquire temperature information of the electric core assembly; the current detection component is electrically connected with the control logic component and can detect the charging and discharging conditions of the cell group and acquire current information of the cell group; wherein the status data includes the temperature information and the current information.
Preferably, the front-end processing unit further includes a protection circuit control element electrically connected to the control logic element; the battery device further comprises a detection circuit and a protection circuit, wherein the detection circuit is electrically connected with the cell group and the front-end processing unit; the protection circuit is electrically connected with the electric core group and the front-end processing unit; when the detection circuit detects that the electric core group is abnormal, the protection circuit control assembly starts the protection circuit to protect the electric core group.
The embodiment of the invention also discloses a detection method of the battery detection system, which comprises the following steps: (A)
Detecting the state of a cell group of a battery device and storing the state data; (II) confirming whether the cell group is normal or not through the state data; when any one of the battery cores of the battery core group is abnormal, starting a protection circuit; (III) judging whether the battery device receives a sending command; if not, then executing step (one); if yes, then executing step (four); (IV) reading the state data and encoding the state data into a digital signal; converting the digital signal into an output signal through a control unit, and sending a flashing information lamp signal by the light-emitting unit according to the output signal; sixthly, receiving the information lamp signal through the optical decoding device, and decoding the state data according to the flicker rate of the information lamp signal; then, step (one) is executed.
Preferably, the digital signal has a plurality of first bits and a plurality of second bits; the time of the information lamp signal in light emitting is defined as a time unit, each time unit corresponds to any one first bit, and every two time units correspond to any one second bit.
In summary, in the battery detection system, the detection method thereof and the battery device disclosed in the embodiments of the present invention, the front-end processing unit can obtain the state data of the cell pack, and convert the state data into the digital signal to be decoded by the control unit to generate the output signal, so that the light-emitting unit can send the information light signal according to the output signal, and further a user can obtain the state data of the cell pack through the light decoding device; therefore, the user can acquire the state data to achieve the effect of detecting the battery device without electrically connecting the battery device and the electronic equipment through any connecting wire.
For a better understanding of the nature and technical content of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention in any way.
Drawings
Fig. 1 is a schematic circuit block diagram of a battery detection system according to a first embodiment of the present invention.
Fig. 2 is a circuit block diagram of a battery device according to a first embodiment of the invention.
FIG. 3 is a block diagram of an optical decoding apparatus according to a first embodiment of the present invention.
FIG. 4 is a schematic diagram illustrating the light emitting time of the first bit and the second bit according to the first embodiment of the invention.
Fig. 5 is a circuit block diagram of a battery detection system according to a second embodiment of the invention.
Fig. 6 is a circuit block diagram of a battery device according to a second embodiment of the invention.
Fig. 7 is a flow chart of a third embodiment of the present invention.
Detailed Description
The embodiments of the present invention disclosed herein are described below with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms "first," "second," "third," etc. may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are used primarily to distinguish one element from another element or from one signal to another signal. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be. Furthermore, the term "electrically coupled", as used herein, refers to one of "indirectly electrically connected" and "directly electrically connected".
[ first embodiment ]
As shown in fig. 1 to 4, the present embodiment discloses a battery detection system 1000, wherein the battery detection system 1000 includes a battery device 100 and an optical decoding device 200. The battery device 100 sends an information light signal, so that a user can receive the information light signal through the optical decoding device 200, and obtains the state of the battery device 100 through decoding. In other words, any battery detection system that does not transmit the state of the battery device by means of a light signal is not the battery detection system 1000 of the present invention. The following describes the structure of each component of the battery test system 1000, and describes the connection relationship between each component of the battery test system 1000.
It should be noted that, in the present embodiment, the battery device 100 and the optical decoding device 200 are collectively defined as the battery detection system 1000. The present invention is not so limited. For example, in other embodiments not shown in the present disclosure, the battery device 100 and the optical decoding device 200 may be separately used (e.g., sold) or used with other components.
Referring to fig. 1 to 3, the battery device 100 includes a battery pack 110, a first control module 120 electrically connected to the battery pack 110, and a light emitting unit 130 electrically connected to the first control module 120. The first control module 120 includes a front end processing unit 111 electrically connected to the electric core assembly 110 and a control unit 112 electrically connected to the front end processing unit 111.
The battery pack 110 has a plurality of battery cells (not shown). The front-end processing unit 111 is electrically connected to the plurality of electric cells of the electric cell group 110, and the front-end processing unit 111 can obtain a status data of the electric cell group 110 and encode the status data into a digital signal. Specifically, the status data includes information of a plurality of the battery cells, for example: the voltage of each of the battery cells, the temperature of each of the battery cells, the current when a plurality of the battery cells are connected in series or in parallel, and the like, and the status data can be encoded into the digital signals in binary (i.e., 0 and 1) by the front-end processing unit 111. The front-end processing unit 111 is an Analog Front End (AFE) in the embodiment, but the invention is not limited to the AFE.
Further, the front-end processing unit 111 comprises a control logic component 1111, a multiplexer 1112 electrically connected to the control logic component 1111, a temperature sensing component 1113 electrically connected to the control logic component 1111, and a current detecting component 1114 electrically connected to the control logic component 1111.
The control logic component 1111 is used to control the multiplexer 1112, the temperature sensing component 1113, and the current detection component 1114; that is, the control logic component 1111 is a control core of the front-end processing unit 111, and all components of the front-end processing unit 111 are operated by the control logic component 1111. The multiplexer 1112 is electrically connected to the control logic component 1111, and the multiplexer 1112 is controlled by the control logic component 1111 and can switch between the plurality of cells of the cell pack 110.
The temperature sensing element 1113 is electrically connected to the control logic component 1111, and the temperature sensing element 1113 can retrieve a temperature information of the electric core assembly 110. Specifically, the temperature sensing assembly 1113 can cooperate with the multiplexer 1112 to detect the temperature of each of the cells of the cell pack 110.
The current detecting element 1114 is electrically connected to the control logic 1111, and is capable of detecting the charging and discharging of the cell pack 110 and obtaining a current information of the cell pack 110. That is, the current detecting component 1114 can detect the current information, and the current information can include the current of the plurality of cells of the cell group 110 in series or parallel.
Specifically, the status data includes the temperature information and the current information in the embodiment, but the invention is not limited to the embodiment. For example, in other embodiments of the present invention, not shown, a user can configure circuits and components capable of detecting voltages in the battery device 100 according to design requirements, and the status data includes a voltage information of the electric core assembly 110, and the voltage information includes voltages of a plurality of electric cores of the electric core assembly 110 in parallel or in series.
The control unit 112 is electrically connected to the front-end processing unit 111, and the control unit 112 can receive the digital signal and convert the digital signal into an output signal. Specifically, the control unit 112 is a Micro Controller Unit (MCU) in the embodiment, but the invention is not limited to the embodiment. The control unit 112 includes a first memory device 1121, a first processor 1122 electrically connected to the first memory device 1121, and a first input/output pin 1123(General-purpose input/output; GPIO) electrically connected to the first processor 1122 and the light emitting unit 130.
In this embodiment, the first Memory component 1121 includes a first Flash Memory (Flash Memory) and a first Random Access Memory (RAM), and the first Flash Memory (not shown) is used for the first processor 1122 to store, decode and execute, for example: storing and executing a judgment program for judging whether the cell group is abnormal or not; the first random access memory (not shown) is used to store variable data, program and return address, but the invention is not limited to the embodiment. For example, the first memory element 1121 may also be expanded and adjusted according to user requirements.
The first processor 1122 is electrically connected to the first memory element 1121, and the first processor 1122 is capable of decoding the digital signal into the output signal. Specifically, the output signal is a command signal instructing the light emitting unit 130 to generate a signal having a blinking light. The first input/output pin 1123 is electrically connected to the first processor 1122 and the light emitting unit 130, and the first input/output pin 1123 enables the first processor 1122 to transmit the output signal to the light emitting unit 130.
The light emitting unit 130 is electrically connected to the control unit 112 of the first control module 120, and the light emitting unit 130 receives the output signal and emits the flashing information light signal according to the output signal. Specifically, the information light is a flashing light, which may be a visible light or an invisible light, and the flashing frequency of the information light corresponds to the digital signal converted from the state data. Further, the status data is converted into the binary digital signal according to the content, so that the digital signal has a plurality of first bits and a plurality of second bits, as shown in fig. 4, the time of the information signal emitting light is defined as a time unit, each time unit can correspondingly represent any one of the first bits, and every two time units can correspondingly represent any one of the second bits.
For example, each of the first bits represents a 1 of the digital signal, and each of the second bits represents a 0 of the digital signal, that is, the first bit (i.e., 1) when the time of light emission of the message light signal is one of the time units; when the time of the light emission of the message light is two of the time units, it represents the second bit (i.e., 0).
The optical decoding apparatus 200 can receive the information light signal, the optical decoding apparatus 200 can analyze the information light signal and decode the information light signal into the status data, and output the status data to an electronic device 300, and the electronic device 300 displays the status data through an application program operation. The optical decoding device 200 includes an optical sensing unit 210, a signal processing circuit 220 electrically connected to the optical sensing unit 210, a second control module 230 electrically connected to the signal processing circuit 220, and a power supply unit 240 electrically connected to the second control module 230 and the signal processing circuit 220.
The light sensing unit 210 is used for receiving the information light signal. The signal processing circuit 220 is electrically connected to the light sensing unit 210, and the signal processing circuit 220 can decode the digital signal according to the flickering of the information light signal, that is, the signal processing circuit 220 distinguishes the plurality of first bits and the plurality of second bits according to the flickering of the information light signal.
The second control module 230 is electrically connected to the signal processing circuit 220, and the second control module 230 has a second processor 231, a second communication interface 232 electrically connected to the second processor 231, and a second input/output pin 233 electrically connected to the signal processing circuit 220
A General-purpose input/output (GPIO), a second memory device 234 electrically connected to the second processor 231, and a timer 235(timer) electrically connected to the second processor 231.
The second input/output pin 233 can receive the digital signal transmitted by the signal processing circuit 220. The second processor 231 can receive the digital signal and decode and convert the digital signal into the status data. The second communication interface 232 can receive the status data and transmit the status data to the electronic device 300, so as to display the status of the battery device 100 through the electronic device 300. It should be noted that the digital signals can form a plurality of strings, the strings can be converted into the status data according to a mapping table, and the application program of the electronic device 300 can determine whether the battery device 100 is abnormal according to the status data; the electronic device 300 may be a mobile phone, a computer, or the like, but the invention is not limited to the embodiment.
The second Memory component 234 in this embodiment has a second Flash Memory (Flash Memory) and a second Random Access Memory (RAM), and the second Flash Memory (not shown) is used for the second processor 231 to store, decode and execute; the second random access memory (not shown) is used to store variable data, program and return address, but the invention is not limited to the embodiment. For example, the second memory element 234 may be expanded and adjusted according to the user's requirement. The timer 235 is electrically connected to the second processor 231, and the timer is used for the second processor 231 to determine the flashing rate of the message light. In addition, the power supply unit 240 is used for providing power for the second control module 230 and the signal processing circuit 220.
[ second embodiment ]
As shown in fig. 5 and fig. 6, which are second embodiments of the present invention, the present embodiment is similar to the first embodiment, and the same points of the two embodiments are not repeated, but the differences of the present embodiment compared to the first embodiment mainly lie in:
the battery device 100 'of the battery inspection system 1000' further includes a detection circuit 140 and a protection circuit 150, wherein the detection circuit 140 is electrically connected to the plurality of electric cores of the electric core set 110 and the front end processing unit 111; the protection circuit 150 is electrically connected to the plurality of electric cells of the electric cell group 110 and the front end processing unit 111. The front-end processing unit 111 further comprises a protection circuit control element 1115 electrically connected to the control logic element 1111; when the detection circuit 140 detects that the cell group 110 is abnormal (e.g., voltage, temperature, or current readings of a plurality of cells are abnormal), the protection circuit control component 1115 activates the protection circuit 150 to protect the cell group 110.
The control unit 112 further includes a first communication interface 1124, the first communication interface 1124 is electrically connected to the first processor 1122, and the first communication interface 1124 is connected to the electronic apparatus 300 via a connection line, so that the electronic apparatus 300 can obtain the status data.
[ third embodiment ]
Please refer to fig. 7, which is a flowchart illustrating a detecting method of a battery detecting system 1000 according to a third embodiment of the present invention. The detection method of the battery detection system 1000 of the present embodiment includes steps S101 to S121, which can be performed by the battery detection system 1000 of the first or second embodiment, that is, please refer to fig. 1 to fig. 3 and fig. 5 together. It is understood that the steps of the embodiments herein may be performed in any order, with appropriate omission or amplification of steps, depending on the actual application.
In step S101, the state of a cell pack 110 of a battery device 100 is detected and stored as state data.
In step S103, whether the electric core assembly 110 is normal is confirmed through the state data; when the abnormality of the electric core group 110 does not occur, the step S105 is then performed. When any one of the cells of the cell group 110 is abnormal, a protection circuit 150 is started, and then the step S105 is executed. The protection circuit 150 can protect the electric core assembly 110 to prevent the electric core assembly 110 from being damaged.
In step S105, determining whether the battery device 100 receives a sending command; if not, then executing the step S101; if yes, then execute the step S107; specifically, the battery device 100 has a button (not shown) that the user can send the sending command by pressing; when the battery device 100 does not receive the sending command (the button is not pressed), the battery device performs the step S101, that is, continues to detect the state of the cell pack 110.
In step S107, the status data is read and encoded into a digital signal. In detail, the status data has various information about the plurality of battery cells, such as: the state data of the plurality of battery cells in series connection or parallel connection comprise current, voltage or temperature and the like, and the digital signals are generated through encoding.
In step S109, the digital signal is converted into an output signal by a control unit 112, the light emitting unit 130 sends a flashing message light signal according to the output signal, and then the step S101 is executed simultaneously. The battery device 100 returns to the step S101 and continuously detects the state of the electric core pack 110.
In step S111, the information lamp signal is received by the optical decoding apparatus 200.
In step S113, the optical decoding apparatus 200 confirms a lighting time of the message light through a timer 235.
In step S115, the first bit and the second bit are identified according to the light emitting time. In detail, it is discriminated whether or not the light emission time is T; if yes, determining the bit as the first bit; if not, determining the bit as the second bit; the step S117 is then performed.
In step S117, the first bits and the second bits corresponding to the light-emitting time are sequentially received and defined as the digital signal. Specifically, the digital signal defines a plurality of word strings, and the word strings can correspond to information, such as: when the word string is 01001, the information represented by the word string is that the temperature of one of the battery cells is 50 degrees celsius, but the present invention is not limited to the information carried in this embodiment.
In step S119, the digital signal is parsed and whether the status data is valid is confirmed; if not, then execute the step S113; if yes, the step S121 is executed next. For example, when the information lamp is blocked and incomplete during the process of receiving the information lamp by the optical decoding apparatus 200, the status data is invalid when the digital signal is defective and cannot correspond to the information.
In step S121, the status data is transmitted to an electronic device 300 (not shown) through a communication interface 232; the electronic device 300 can display the status data through an application operation thereof.
[ technical effects of embodiments of the present invention ]
In summary, in the battery detection system 1000, the detection method thereof and the battery device disclosed in the embodiment of the present invention, the front-end processing unit 111 can obtain the status data of the cell pack 110, and convert the status data into the digital signal to be decoded by the control unit 112 to generate the output signal, so that the light-emitting unit 130 can send the information light signal according to the output signal, and further a user can obtain the status data of the cell pack 110 through the optical decoding device 200; accordingly, the user can acquire the status data without electrically connecting the battery device 100 and the electronic apparatus 300 through any connecting wire, so as to achieve the effect of detecting the battery device 100.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A battery test system, comprising:
a battery device, comprising;
the battery core group is provided with a plurality of battery cores;
a control module, electric connection the electric core group, control module includes:
the front-end processing unit is electrically connected with the cell group, can acquire state data of the cell group and encodes the state data into a digital signal; and
the control unit is electrically connected with the front-end processing unit and can receive the digital signal and convert the digital signal into an output signal;
the light-emitting unit is electrically connected with the control module and emits a flashing information lamp signal according to the output signal; and
the optical decoding device can be used for decoding the information lamp number and converting the information lamp number into the state data, the optical decoding device can be used for outputting the state data to an electronic device, and the electronic device displays the state data through an application program operation.
2. The battery detection system of claim 1, wherein the front-end processing unit comprises:
a control logic component;
the multiplexer is electrically connected with the control logic assembly, is controlled by the control logic assembly and can switch among the plurality of electric cores of the electric core group;
the temperature sensing assembly is electrically connected with the control logic assembly and can acquire temperature information of the electric core assembly; and
the current detection component is electrically connected with the control logic component and can detect the charging and discharging conditions of the electric core group and acquire current information of the electric core group;
wherein the status data includes the temperature information and the current information.
3. The battery detection system of claim 2, wherein the front-end processing unit further comprises a protection circuit control element electrically connected to the control logic element; the battery device further comprises a detection circuit and a protection circuit, wherein the detection circuit is electrically connected with the cell group and the front-end processing unit; the protection circuit is electrically connected with the electric core group and the front-end processing unit; when the detection circuit detects that the electric core group is abnormal, the protection circuit control assembly starts the protection circuit to protect the electric core group.
4. The battery detection system of claim 1, wherein the control unit comprises: a memory component;
the processor is electrically connected with the memory component and can convert the digital signal into the output signal; and
and the output input pin is electrically connected with the processor and the light-emitting unit, and can transmit the output signal to the light-emitting unit, so that the light-emitting unit can send the information lamp signal according to the output signal.
5. The battery detection system of claim 4, wherein the control unit further comprises a communication interface electrically connected to the processor, the communication interface being configured to connect to the electronic device so that the electronic device can obtain the status data.
6. A battery device, characterized in that the battery device comprises:
the battery core group is provided with a plurality of battery cores;
a control module, electric connection the electric core group, control module includes:
the front-end processing unit is electrically connected with the cell group, can acquire state data of the cell group and encodes the state data into a digital signal; and
the control unit is electrically connected with the front-end processing unit and can receive the digital signal and convert the digital signal into an output signal; and
and the light-emitting unit is electrically connected with the control module, receives the output signal and emits a flashing information lamp signal according to the output signal.
7. The battery device according to claim 6, wherein the front-end processing unit comprises: a control logic component;
the multiplexer is electrically connected with the control logic assembly, is controlled by the control logic assembly and can switch among the plurality of electric cores of the electric core group;
the temperature sensing assembly is electrically connected with the control logic assembly and can acquire temperature information of the electric core assembly; and
the current detection component is electrically connected with the control logic component and can detect the charging and discharging conditions of the electric core group and acquire current information of the electric core group;
wherein the status data includes the temperature information and the current information.
8. The battery device according to claim 7, wherein the front-end processing unit further comprises a protection circuit control element electrically connected to the control logic element; the battery device further comprises a detection circuit and a protection circuit, wherein the detection circuit is electrically connected with the cell group and the front-end processing unit; the protection circuit is electrically connected with the electric core group and the front-end processing unit; when the detection circuit detects that the electric core group is abnormal, the protection circuit control assembly starts the protection circuit to protect the electric core group.
9. A detection method of a battery detection system is characterized by comprising the following steps:
detecting the state of a cell group of a battery device and storing the state data;
(II) confirming whether the cell group is normal or not through the state data; when any one of the battery cores of the battery core group is abnormal, starting a protection circuit;
(III) judging whether the battery device receives a sending command; if not, then executing step (one);
if yes, then executing step (four);
(IV) reading the state data and encoding the state data into a digital signal;
converting the digital signal into an output signal through a control unit, and sending a flashing information lamp signal by the light-emitting unit according to the output signal;
sixthly, receiving the information lamp signal through the optical decoding device, and decoding the state data according to the flicker rate of the information lamp signal; then, step (one) is executed.
10. The method of claim 9, wherein the digital signal has a plurality of first bits and a plurality of second bits; the time of the information lamp signal in light emitting is defined as a time unit, each time unit corresponds to any one first bit, and every two time units correspond to any one second bit.
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| CN202010321699.7A CN113540582A (en) | 2020-04-22 | 2020-04-22 | Battery detection system, detection method thereof and battery device |
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